Plastic faucet body and a die for molding the same

Patent metadata

Field	Value
Publication number	US-11892090-B2
Application number	US-201816619424-A
Country	US
Kind code	B2
Filing date	Oct 17, 2018
Priority date	Oct 17, 2017
Publication date	Feb 6, 2024
Grant date	Feb 6, 2024

Abstract

The disclosure relates to a plastic faucet body and a molding tool. The faucet body includes a left water inlet pipe and a right water inlet pipe, wherein a left valve seat installation recess is formed in the left water inlet pipe and a right valve seat installation recess is formed in the right water inlet pipe. A connecting cross-beam is disposed between the left water inlet pipe and the right water inlet pipe, wherein the connecting cross-beam is provided with a water outlet and a middle water channel is formed within the connecting cross-beam. The middle water channel includes a left water inlet channel and a right water inlet channel, wherein the left water inlet pipe and the water outlet are connected with the left water inlet channel, and the right water inlet pipe and the water outlet are connected with the right water inlet channel, and the left water inlet channel and the right water inlet channel are arc-shaped or U-shaped.

First claim

What is claimed is:

1. A plastic faucet body comprising: a left water inlet pipe and a right water inlet pipe, wherein the left water inlet pipe is provided with a left valve seat installation recess and the right water inlet pipe is provided with a right valve seat installation recess, and a connecting cross-beam disposed between the left water inlet pipe and the right water inlet pipe, which connecting cross-beam is provided with a water outlet and is internally provided with a middle water channel, wherein the middle water channel is communicated with the left water inlet pipe, the right water inlet pipe, and the water outlet, wherein the middle water channel comprises a left water inlet channel and a right water inlet channel, and wherein the left water inlet pipe and the water outlet are communicated with the left water inlet channel, and the right water inlet pipe and the water outlet are communicated with the right water inlet channel, and the left water inlet channel and the right water inlet channel are arc-shaped or U-shaped;
wherein an axis of the water outlet is parallel to axes of the left water inlet pipe and the right water inlet pipe, respectively, and wherein the axis of the water outlet and the axes of the left water inlet pipe and the right water inlet pipe lie in the same plane;
wherein each of the left water inlet pipe and the right water inlet pipe is connected with a copper pipe, wherein the copper pipe is respectively communicated with the corresponding left water inlet pipe and the corresponding right water inlet pipe.

2. The plastic faucet body according to claim 1 , wherein an angle included between the axis of the water outlet and a plane in which the axes of the left water inlet pipe and the right water inlet pipe lie is 45°.

3. The plastic faucet body according to claim 1 , wherein a reinforcing rib is arranged between the connecting cross-beam and the left water inlet pipe and between the connecting cross-beam and the right water inlet pipe, respectively.

4. A die for molding a plastic faucet body comprising: an upper mold provided with a left water inlet mold core cavity and a right water inlet mold core cavity, the left water inlet mold core cavity being internally provided with a detachable left water inlet mold core, the right water inlet mold core cavity being internally provided with a detachable right water inlet mold core, a fixed mold, and a left water inlet channel core-pulling mechanism and a right water inlet channel core-pulling mechanism, wherein the fixed mold and the upper mold are cooperated to form an injection molding cavity which comprises a flow passage and a product molding cavity, wherein the fixed mold is provided with an inner core of the installation recess of a left valve seat and an inner core of the installation recess of a right valve seat, and wherein the fixed mold is provided with a water outlet mold core;
wherein the left water inlet channel core-pulling mechanism and the right water inlet channel core-pulling mechanism are respectively provided with a left crank and a right crank which are hinged inside the fixed mold, wherein each of the left crank and the right crank is able to rotate at a certain angle around the hinge point thereof inside the fixed mold, wherein another end of the left crank is provided with a left water inlet channel mold core and another end of the right crank is provided with a right water inlet channel mold core, and wherein the left water inlet channel mold core and the right water inlet channel mold core are arc-shaped.

5. The die according to claim 4 , wherein the fixed mold is provided with a crank action cavity, and the left crank and the right crank are hinged in the crank action cavity; wherein the left water inlet channel core-pulling mechanism comprises a left sliding block arranged in a guide rail of the fixed mold, and the left sliding block is fixedly connected with a left connecting rod; wherein one end of the left connecting rod is provided with a left protrusion, which moves in a small chute of the left crank; wherein the right water inlet channel core-pulling mechanism comprises a right sliding block arranged in a guide rail of the fixed mold and the right sliding block is fixedly connected with a right connecting rod; and wherein one end of the right connecting rod is provided with a right protrusion, which moves in a small chute of the right crank.

6. The die according to claim 4 , wherein the fixed mold is provided with a core-pulling mechanism action cavity and the left crank and the right crank are hinged in the core-pulling mechanism action cavity; wherein teeth are arranged on the outer edges of the left water inlet channel mold core and the right water inlet channel mold core; herein the left and right water inlet channel core-pulling mechanisms comprise, wherein the fixed mold is provided with a left rack chamber and a right rack chamber, the left rack chamber is internally provided with a left rack and the right rack chamber is provided with a right rack, wherein the fixed mold is provided with a left pinion chamber and a right pinion chamber the left pinion chamber is provided with a left pinion shaft having a left pinion, and the right pinion chamber is provided with a right pinion shaft having a right pinion, wherein the left pinion is meshed with the left crank and the right pinion is meshed with the right crank, and wherein the left rack chamber is communicated with the left pinion chamber and the left rack is meshed with the left pinion, while the right rack chamber is communicated with the right pinion chamber and the right rack is meshed with the right pinion.

7. The die according to claim 4 , wherein the inner core of the installation recess of the left valve seat is provided with an arc-shaped slot, and the inner core of the installation recess of the right valve seat is provided with an arc-shaped slot; and wherein the water outlet mold core is provided with a left core slot and a right core slot.

Assignees

• Xiamen Lota Int Co Ltd
• Lota Xiamen Ind Co Ltd

Inventors

• Zhu Chuanbao

Classifications

• F16K27/041 Primary

  cylindrical slide valves · CPC title

• B29C45/2602

  Mould construction elements · CPC title

• B29C45/2616

  having annular mould cavities · CPC title

• B29C45/33

  having transversely, e.g. radially, movable mould parts · CPC title

• E03C1/04

  Water-basin installations specially adapted to wash-basins or baths (valves, faucets, mixing valves, taps F16K) · CPC title