Main body structure of pressure balance valve

Abstract

The utility model relates to the technical field of water faucets, in particular to a pressure balance valve main body structure which comprises a water faucet body, a valve element set and a screw, the valve element set comprises a check valve, a sealing gasket, a valve element seat, a valve element and a sleeve, and the valve element, the check valve and the sealing gasket are all installed on the inner side of the valve element seat. The valve element seat is installed on the inner side of the sleeve, the check valve is communicated with the interior of the faucet body and the interior of the valve element, and the valve element seat is detachably connected with the faucet body through a screw. The valve element, the check valve and the sealing gasket are all installed on the inner side of the valve element seat, the valve element seat is detachably connected with the faucet body through the screw, the valve element seat can be detached from the faucet body in the welding installation process, and the valve element seat is installed on the faucet body after welding is completed. And internal parts of the faucet product are prevented from being damaged by welding high temperature.

Description

Technical Field

[0001] The utility model relates to the technical field of faucets, and particularly relates to a main body structure of a pressure balance valve. Background Art

[0002] A faucet is a common name for a water valve, which is used to control the size of the water flow switch and has the effect of saving water. The replacement speed of faucets is very fast, developing from the old cast iron process to the electroplated knob type, and then to the stainless steel single-temperature single-control faucet, stainless steel double-temperature double-control faucet, and kitchen semi-automatic faucet. However, when the existing faucets are installed by welding, it is easy to generate high temperature and damage parts such as the internal valve core of the faucet, resulting in the failure of the faucet product function and posing a great potential safety hazard. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a main body structure of a pressure balance valve in view of the above-mentioned defects of the prior art. By installing the valve core, check valve and gasket inside the valve core seat, and the valve core seat is detachably connected to the faucet body by screws, the valve core seat can be removed from the faucet body during welding installation, and then reinstalled on the faucet body after welding is completed, avoiding the destruction of internal parts of the faucet product by welding high temperature and having good safety.

[0004] In order to solve the above technical problems, the technical solution of the utility model is as follows:

[0005] A main body structure of a pressure balance valve includes a faucet body, a valve core group and screws. The valve core group includes a check valve, a gasket, a valve core seat, a valve core and a sleeve. The valve core, check valve and gasket are all installed inside the valve core seat. The valve core seat is installed inside the sleeve. The check valve is respectively communicated with the inside of the faucet body and the valve core. The valve core seat is detachably connected to the faucet body by screws.

[0006] Preferably, a plurality of first screw through holes are formed on the faucet body, a plurality of screw posts are arranged on the outer side of the valve core seat, and second screw through holes adapted to the first screw through holes are formed on the screw posts.

[0007] Preferably, a threaded connection portion is arranged at the front end of the valve core seat, an external thread is arranged on the outer side of the threaded connection portion, and an internal thread adapted to the external thread is arranged inside the sleeve.

[0008] Preferably, a check valve installation portion is arranged on the back surface of the valve core seat, and the check valve is embedded and installed in the check valve installation portion.

[0009] Preferably, a gasket installation groove is arranged on the back surface of the valve core seat, and the gasket is installed inside the gasket installation groove.

[0010] Preferably, the number of the check valve mounting parts and the check valves is both 2.

[0011] Adopting the above technical solution, a main body structure of a pressure balance valve provided by the utility model has the following beneficial effects: the spool, the check valve and the gasket in the main body structure of the pressure balance valve are all installed inside the spool seat, the spool seat is installed inside the sleeve, the check valve is respectively communicated with the inside of the faucet body and the spool, the spool seat is detachably connected with the faucet body through a screw. By installing the spool, the check valve and the gasket inside the spool seat, and the spool seat is detachably connected with the faucet body through a screw, when welding and installing, the spool seat can be detached from the faucet body, and after welding is completed, the spool seat is installed on the faucet body, avoiding the destruction of internal parts of the faucet product by the high temperature of welding and avoiding the situation of product function failure, with good safety. Description of the Drawings

[0012] Figure 1 is an exploded view of the utility model;

[0013] Figure 2 is a perspective view of the utility model;

[0014] Figure 3 is an exploded view of the utility model from another angle;

[0015] Figure 4 is a perspective view of the utility model from another angle;

[0016] In the figure, 1 - faucet body, 2 - screw, 3 - check valve, 4 - gasket, 5 - spool seat, 6 - spool, 7 - sleeve, 8 - first screw through hole, 9 - screw post, 10 - second screw through hole, 11 - threaded connection part, 12 - check valve mounting part, 13 - gasket mounting groove. Detailed Embodiments

[0017] The following further describes the detailed embodiments of the utility model with reference to the drawings. It should be noted here that the description of these embodiments is for helping to understand the utility model, but does not constitute a limitation to the utility model. In addition, the technical features involved in the various embodiments of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0018] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0019] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present utility model, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically and clearly defined.

[0020] As Figures 1-4 shown, the main structure of the pressure balance valve includes a faucet body 1, a valve core group and a screw 2. The valve core group includes a check valve 3, a sealing gasket 4, a valve core seat 5, a valve core 6 and a sleeve 7. The valve core 6, the check valve 3 and the sealing gasket 4 are all installed inside the valve core seat 5. The valve core seat 5 is installed inside the sleeve 7. The check valve 3 is respectively communicated with the inside of the faucet body 1 and the valve core 6. The valve core seat 5 is detachably connected to the faucet body 1 through the screw 2.

[0021] It can be understood that specifically, a plurality of first screw through holes 8 are provided on the faucet body 1, a plurality of screw posts 9 are provided on the outer side of the valve core seat 5, and second screw through holes 10 adapted to the first screw through holes 8 are provided on the screw posts 9; a threaded connection portion 11 is provided at the front end of the valve core seat 5, an external thread is provided on the outer side of the threaded connection portion 11, and an internal thread adapted to the external thread is provided on the inner side of the sleeve 7. Specific installation steps: First is the installation of the valve core group. The valve core 6 is installed into the valve core seat 5 and fixed with the sleeve 7. Then the check valve 3 and the sealing gasket 4 are installed into the valve core seat 5. Then the valve core seat 5 and the faucet body 1 are fixed with screws; when it is necessary to connect the faucet body 1 by welding during installation, only need to remove the screw 2, take off the valve core seat 5 and then carry out the welding operation, so that the parts inside the valve core group can avoid being damaged by the high temperature during welding; after the welding operation is completed, the valve core group is fixed to the faucet body with screws again.

[0022] Specifically, a check valve mounting portion 12 is provided on the back surface of the valve core seat 5, and the check valve 3 is embedded and mounted in the check valve mounting portion 12; a gasket mounting groove 13 is provided on the back surface of the valve core seat 5, and the gasket 4 is mounted on the inner side of the gasket mounting groove 13. It can be understood that the number of the check valve mounting portion 12 and the check valve 3 is both 2.

[0023] It can be understood that the design of the present utility model is reasonable and the structure is unique. Through this main structure device, the faucet can avoid damaging the internal parts of the product due to the high temperature during welding installation, thereby causing the product function to fail. Using this structure can effectively avoid this problem.

[0024] The embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings, but the present utility model is not limited to the described embodiments. For those skilled in the art, without departing from the principle and spirit of the present utility model, various changes, modifications, substitutions, and variations made to these embodiments still fall within the protection scope of the present utility model.

Claims

1. A pressure balancing valve main structure, including a faucet body, a valve core assembly and screws, characterized in that: The valve core group includes a check valve, a sealing gasket, a valve core seat, a valve core and a sleeve. The valve core, the check valve and the sealing gasket are all installed on the inner side of the valve core seat. The valve core seat is installed on the inner side of the sleeve. The check valve is respectively connected to the interior of the faucet body and the valve core. The valve core seat is detachably connected to the faucet body by screws.

2. The pressure balancing valve main body structure according to claim 1 is characterized in that: The faucet body is provided with a plurality of first screw through holes, the outer side of the valve core seat is provided with a plurality of screw columns, and the screw columns are provided with second screw through holes matched with the first screw through holes.

3. The pressure balancing valve main body structure according to claim 1 is characterized in that: A threaded connection portion is provided at the front end of the valve core seat, an outer side of the threaded connection portion is provided with an external thread, and an inner side of the sleeve is provided with an internal thread matched with the external thread.

4. The pressure balancing valve main body structure according to claim 1 is characterized in that: A check valve installation portion is provided on the back side of the valve core seat, and the check valve is embedded and installed in the check valve installation portion.

5. The pressure balancing valve main body structure according to claim 1 is characterized in that: A sealing gasket installation groove is arranged on the back side of the valve core seat, and the sealing gasket is installed on the inner side of the sealing gasket installation groove.

6. The pressure balancing valve main body structure according to claim 4 is characterized in that: The number of the check valve mounting portion and the number of the check valves are both 2.

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