CN220688342U

CN220688342U - Water inlet pipe joint plugging structure of constant-temperature water mixing valve

Info

Publication number: CN220688342U
Application number: CN202322296935.6U
Authority: CN
Inventors: 王建亮
Original assignee: Shandong Jintis Intelligent Technology Co ltd
Current assignee: Shandong Jintis Intelligent Technology Co ltd
Priority date: 2023-08-25
Filing date: 2023-08-25
Publication date: 2024-03-29
Anticipated expiration: 2033-08-25

Abstract

The utility model relates to the technical field of bathrooms, in particular to a water inlet pipe joint plugging structure of a constant-temperature water mixing valve, which comprises a water pipe joint connected with cold and hot water inlets of the constant-temperature water mixing valve and a cold and hot water hose joint plugged with the water pipe joint, wherein a water leakage prevention assembly is arranged in the water pipe joint, the water pipe joint is axially provided with an annular clamping part and a first sealing ring, and the cold and hot water hose joint is integrally formed with a limiting part, a sealing part, a step part, a locking part and a guiding part along the circumferential direction. Through setting up first sealing washer, annular clamping portion, have spacing portion, sealing portion, step portion, locking portion and the guide part etc. between water pipe head and cold, hot water hose connection, realize water pipe head and cold, hot water hose connection's quick grafting and sealing fit to when having solved prior art cold, hot water joint and cold, hot water hose connection through the nut, do not help the instrument, screw up the problem of being out of tightly, leaking easily.

Description

Water inlet pipe joint plugging structure of constant-temperature water mixing valve

Technical Field

The utility model relates to the technical field of bathroom, in particular to a water inlet pipe joint plugging structure of a constant-temperature water mixing valve.

Background

The cold and hot water inlets of the existing constant temperature water mixing valve are connected with a hot water joint and a cold water joint, the hot water joint is connected with hot water sources such as a water heater through a hot water hose, the cold water joint is connected with cold water sources such as tap water through a cold water hose, for example, the prior art with the patent number CN202222809725.8 discloses a constant temperature water mixing valve of the water heater, and specifically discloses a hot water joint and a cold water joint, which are connected with the hot water hose and the cold water hose respectively through nuts, when the constant temperature water mixing valve is used, a user usually screws the hose by hands to be in threaded connection with the nuts, and if the constant temperature water mixing valve is not screwed tightly and water leakage easily occurs without tools.

Disclosure of Invention

The utility model aims to provide a water inlet pipe joint plugging structure of a constant-temperature water mixing valve, which aims to overcome the problems in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a constant temperature water mixing valve water inlet coupling grafting structure, including the water pipe head of being connected with the cold and hot water inlet of constant temperature water mixing valve and with the cold and hot water hose connector of water pipe head grafting, be equipped with leak protection water subassembly in the water pipe head, water pipe head is equipped with annular clamping portion and first sealing washer along the axial, cold and hot water hose connector has spacing portion along circumference integrated into one piece, sealing portion, step portion, locking portion and guiding part, first sealing washer on the water pipe head inserts in the cold and hot water hose connector with spacing portion butt, sealing portion inboard is equipped with the second sealing washer, the clamping portion butt cooperation on second sealing washer and the water pipe head, the locking portion inboard slides along the axial of cold and hot water hose connector and inlays and be equipped with the joint barrel, guiding part plays the guide effect to the slip of joint barrel, a plurality of constant head grooves have all been slided and are inlayed and are equipped with the joint piece along circumference, the back and the inner wall of locking portion forms butt cooperation, be provided with the spring between step portion and the joint barrel of every joint piece.

Based on the technical scheme, the utility model can also be improved as follows:

further, one end of the cold and hot water hose connector is spliced with the water pipe connector, and the other end of the cold and hot water hose connector is fixedly connected with the cold and hot water hose through a ball valve.

Further, the water pipe connector is provided with an annular clamping portion and an annular groove in sequence along the direction of pointing to the pipe mouth, the clamping portion and the water pipe connector are integrally formed, and the first sealing ring is clamped in the annular groove.

Further, the inside integrated into one piece of sealing portion has the joint annular along cold, hot water hose connector axial setting, and the second sealing washer joint is in the joint annular.

Further, the second sealing ring comprises an embedding part and an anti-falling part, the embedding part and the clamping ring groove form embedding fit, and the anti-falling part is obliquely arranged along the direction deviating from the pipe mouth of the cold and hot water hose connector and forms abutting sealing fit with the clamping part of the water pipe connector.

Further, the caliber of the locking part gradually decreases along the direction pointing to the mouth of the cold and hot water hose joint and is in a conical shape, the mouth of the guiding part forms an abutting part through flanging, and the inner diameter of the abutting part is larger than the outer diameter of the clamping cylinder, so that the clamping cylinder is abutted.

Further, a stepped ring is arranged on one side, far away from the mouth of the cold and hot water hose connector, of the clamping cylinder body, a spring is arranged between the inner wall of the stepped part and the stepped ring of the clamping cylinder body, one end of the spring is abutted to the inner wall of the stepped part, and the other end of the spring is sleeved on the stepped ring.

Further, the water leakage prevention assembly comprises a rod body, a reset spring sleeved on the rod body and a piston fixedly connected with the rod body, the inner side of the piston is fixedly connected with the first end of the rod body, and the second end of the rod body penetrates through a through hole in the center of the annular blocking part; the first end of the rod body extends outwards horizontally to form a circular flange, one end of the reset spring is propped against the flange, and the end face of the first end of the rod body and the flange are fixed with the piston through bonding cladding.

Further, the pipe orifice of the water pipe joint protrudes inwards to form an annular clamping step, the inner wall of the water pipe joint protrudes inwards to form an annular blocking part, the outer side of the piston abuts against the clamping step, and the other end of the reset spring abuts against the annular blocking part.

The beneficial effects of the utility model are as follows: the water inlet pipe joint plugging structure of the constant-temperature water mixing valve provided by the utility model realizes the rapid plugging and sealing fit of the water pipe joint and the cold and hot water hose joints through the structures of the first sealing ring, the annular clamping part, the limiting part, the sealing part, the step part, the locking part, the guiding part and the like which are arranged between the water pipe joint and the cold and hot water hose joints; in addition, through setting up leak protection water assembly in the water pipe head, can prevent effectively that water pipe head from getting into the constant temperature when being disconnected with cold, hot water hose connection and mixing the water valve and spill to cold, hot water joint pass through the nut when being connected with cold, hot water hose in the prior art, do not help the instrument, screw up the problem of being out of tight, leaking easily.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic diagram of a plug structure of a water inlet pipe joint of a thermostatic mixing valve according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic view of the cold and hot water hose connector of FIG. 1;

FIG. 3 is a schematic illustration of the water hose connector of FIG. 1 assembled with a cold and hot water hose connector;

in the figure: 10. a water pipe joint; 11. a clamping part; 12. a groove; 13. a first seal ring; 20. a cold and hot water hose connector; 21. a limit part; 22. a sealing part; 220. the clamping ring groove is connected; 23. a step portion; 24. a locking part; 25. a guide part; 251. an abutting portion; 26. a second seal ring; 261. an embedding part; 262. an anti-falling part; 27. the clamping cylinder body; 270. a positioning groove; 271. a clamping block; 272. a step ring; 28. a spring; 30. a cold and hot water hose; 40. constant temperature water mixing valve; 50. a ball valve; 61. a rod body; 612. a flange; 62. a return spring; 63. a piston; 64. clamping the step; 65. a blocking part.

Detailed Description

The utility model will now be described in further detail with reference to the drawings and examples, which are simplified schematic illustrations of the basic structure of the utility model, which are presented only by way of illustration, and thus show only the structures that are relevant to the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

As shown in fig. 1, 2 and 3, a water inlet pipe joint plugging structure of a thermostatic water mixing valve according to a preferred embodiment of the present utility model includes a water pipe joint 10 connected to a cold water inlet and a hot water inlet of the thermostatic water mixing valve 40, and a cold water hose joint 20 plugged with the water pipe joint 10, wherein one end of the cold water hose joint 20 is plugged with the water pipe joint 10, the other end of the cold water hose joint 20 is fixedly connected with the cold water hose 30 through a ball valve 50, and the ball valve 50 is connected between the cold water hose 30 and the cold water hose joint 20.

The water pipe joint 10 is provided with an annular clamping part 11 and an annular groove 12 in sequence along the direction of pointing to the pipe orifice, the clamping part 11 and the water pipe joint 10 are integrally formed, the first sealing ring 13 is clamped in the annular groove 12, and the first sealing ring 13 can be an O-shaped sealing ring, a Y-shaped sealing ring and the like. The water pipe joint 10 is internally provided with a water leakage prevention assembly, so that cold water and hot water entering the water pipe joint 10 are prevented from flowing back to the cold water hose joint 20 and the hot water hose joint 20. The water leakage preventing assembly comprises a rod body 61, a return spring 62 sleeved on the rod body 61 and a piston 63 fixedly connected with the rod body 61. The pipe orifice of the water pipe joint 10 protrudes inwards to form an annular clamping step 64, and the inner wall of the water pipe joint 10 protrudes inwards to form an annular blocking part 65; the outer side of the piston 63 is abutted against the clamping step 64, the inner side of the piston 63 is fixedly connected with the first end of the rod body 61, and the second end of the rod body 61 penetrates through a through hole in the center of the annular blocking part 65; the first end of the rod 61 extends horizontally outwards to form a circular flange 612, one end of the return spring 62 abuts against the flange 612, the other end of the return spring 62 abuts against the annular blocking portion 65, and the end face of the first end of the rod 61 and the flange 612 are fixed by the piston 63 through bonding cladding. When water enters the water pipe joint 10 through the water leakage prevention assembly, water pressure is generated, and when the water pressure is greater than the thrust of the return spring 62 and the water pressure in the water pipe joint 10, the piston 63 and the rod body 61 are pushed to move, so that the water can enter; when the water pressure is smaller than the water pressure in the water pipe joint 10, the piston 63 is restored under the action of the restoring spring 62, so that the water in the water pipe joint 10 is prevented from flowing back to the cold and hot water hose joints 20, and the backflow phenomenon is avoided.

The cold and hot water hose connector 20 has spacing portion 21, sealing portion 22, step portion 23, locking portion 24 and guiding portion 25 along directional orificial direction integrated into one piece in proper order, sealing portion 22 inboard integrated into one piece has along cold and hot water hose connector 20 axial setting's joint annular 220, second sealing washer 26 joint is in joint annular 220, this second sealing washer 26 can adopt O type sealing washer, Y type sealing washer etc. in this embodiment, second sealing washer 26 adopts Y type sealing washer, in the actual installation, utilize Y type sealing washer self flexibility, place Y type sealing washer in joint annular 220 and form the embedding cooperation with it, simultaneously, Y type sealing washer's inner circle layer forms inseparable butt cooperation with water pipe connector 10, and then realize cold, sealing connection between hot water hose connector 20 and the water pipe connector 10.

The caliber of the locking part 24 gradually decreases along the direction of pointing to the mouth of the cold and hot water hose connector 20 and is in a conical shape, the locking part 24 is internally provided with a clamping cylinder 27 in a sliding manner along the axial direction of the cold and hot water hose connector 20, the guiding part 25 plays a guiding role on the sliding of the clamping cylinder 27, the clamping cylinder 27 is circumferentially provided with a plurality of positioning grooves 270, each positioning groove 270 is internally provided with a clamping block 271 in a sliding manner, and the back surface of each clamping block 271 is in butt fit with the inner wall of the locking part 24.

The clamping cylinder 27 is provided with a stepped ring 272 on one side far away from the pipe orifice of the cold and hot water hose connector 20, a spring 28 is arranged between the inner wall of the stepped part 23 and the stepped ring 272 of the clamping cylinder 27, one end of the spring 28 is abutted on the inner wall of the stepped part 23, and the other end of the spring 28 is sleeved on the stepped ring 272, so that stable installation of the spring 28 is realized. In actual use, after the second seal ring 26, the spring 28 and the clamping cylinder 27 are all installed, the pipe orifice of the guide portion 25 is turned to form an abutting portion 251, and the inner diameter of the abutting portion 251 is larger than the outer diameter of the clamping cylinder 27, so that the clamping cylinder 27 is abutted.

When in use, a user inserts other water pipe connectors 10 into the cold and hot water hose connector 20, in the process of inserting the water pipe connector 10, the clamping cylinder 27 is driven to move in the direction away from the pipe orifice of the cold and hot water hose connector 20, the spring 28 is compressed, the clamping part 11 of the water pipe connector 10 is inserted into tight sealing fit with the second sealing ring 26, at the moment, under the action of the elastic force of the spring 28, the clamping block 271 on the clamping cylinder 27 moves along the radial direction of the cold and hot water hose connector 20 to form clamping fit with the clamping part 11 of the water pipe connector 10, and further quick inserting fit between the cold and hot water hose connector 20 and the water pipe connector 10 is realized, and meanwhile, the first sealing ring 13 on the water pipe connector 10 is inserted into the limiting part 21 of the cold and hot water hose connector 20 to form tight sealing fit with the limiting part 21. During disassembly, the clamping cylinder 27 is abutted along the direction away from the pipe orifice of the cold and hot water hose connector 20, so that the clamping cylinder 27 moves along the direction away from the pipe orifice relative to the water pipe connector 10, and then the clamping block 271 moves along the height of the locking part 24, so that the clamping locking function of the clamping block 271 on the clamping part 11 of the water pipe connector 10 is released, and the disassembly operation of the water pipe connector 10 is realized.

Specifically, the second seal ring 26 includes an embedding portion 261 and an anti-drop portion 262, the embedding portion 261 forms an embedding fit with the clamping ring groove 220, and the anti-drop portion 262 is obliquely arranged along a direction deviating from the pipe orifice of the cold and hot water hose connector 20 and forms an abutting sealing fit with the clamping portion 11 on the water pipe connector 10. The embedded part 261 on the second sealing ring 26 is utilized to realize embedded matching with the clamping ring groove 220, so that convenient and quick installation of the second sealing ring 26 is realized, meanwhile, the second sealing ring 26 is utilized to incline the anti-falling part 262 arranged along the direction deviating from the pipe orifice, on one hand, the sealing connection with the water pipe joint 10 is realized, and on the other hand, the inclined characteristic is utilized to help to prevent the water pipe joint 10 from separating from the cold and hot water hose joint 20.

The water inlet pipe joint plugging structure of the constant-temperature water mixing valve provided by the utility model realizes the rapid plugging and sealing fit of the water pipe joint 10 and the cold and hot water hose joint 20 through the structures of the first sealing ring 13, the annular clamping part 11, the limiting part 21, the sealing part 22, the step part 23, the locking part 24, the guiding part 25 and the like which are arranged between the water pipe joint 10 and the cold and hot water hose joint 20; in addition, through setting up leak protection water subassembly in water pipe head 10, can prevent effectively that water pipe head 10 from leaking with entering the constant temperature water mixing valve when cold, hot water hose connection 20 disconnection to cold, hot water joint passes through the nut and is connected with cold, hot water hose in the prior art, does not need the help of the instrument, the problem of screwing up non-tightly, leaking appears easily.

The above description of the embodiments of the present utility model, which is not related to the present utility model, belongs to the technology known in the art, and may be implemented with reference to the technology known in the art.

The above-described preferred embodiments according to the present utility model are intended to suggest that, from the above description, various changes and modifications can be made by the person skilled in the art without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

Claims

1. The utility model provides a constant temperature water mixing valve water inlet coupling grafting structure, includes the water pipe head of being connected with the cold, hot water inlet of constant temperature water mixing valve, its characterized in that: the water pipe joint is internally provided with an annular clamping part and a first sealing ring along the axial direction, the cold and hot water hose joint is provided with a limiting part, a sealing part, a step part, a locking part and a guiding part along the circumferential direction in an integrated manner, the first sealing ring on the water pipe joint is inserted into the cold and hot water hose joint and is abutted to the limiting part, the inner side of the sealing part is provided with a second sealing ring, the second sealing ring is abutted to the clamping part on the water pipe joint, the inner side of the locking part is provided with a clamping cylinder along the axial sliding of the cold and hot water hose joint, the guiding part plays a guiding role on the sliding of the clamping cylinder, the clamping cylinder is provided with a plurality of positioning grooves along the circumferential direction, each positioning groove is internally provided with a clamping block in a sliding manner, the back surface of each clamping block is abutted to the inner wall of the locking part, and a spring is arranged between the step part and the clamping cylinder.

2. The thermostatic mixing valve inlet coupling plugging structure of claim 1 wherein: one end of the cold and hot water hose connector is spliced with the water pipe connector, and the other end of the cold and hot water hose connector is fixedly connected with the cold and hot water hose through a ball valve.

3. The thermostatic mixing valve inlet coupling plugging structure of claim 1 wherein: the water pipe joint is provided with an annular clamping portion and an annular groove in sequence along the direction pointing to the pipe orifice, the clamping portion and the water pipe joint are integrally formed, and the first sealing ring is clamped in the annular groove.

4. A thermostatic mixing valve inlet coupling plug structure according to claim 3 wherein: the inside integrated into one piece of sealing portion has the joint annular along cold, hot water hose joint axial setting, and the second sealing washer joint is in the joint annular.

5. The thermostatic mixing valve inlet coupling plugging structure of claim 4 wherein: the second sealing ring comprises an embedding part and an anti-falling part, the embedding part and the clamping ring groove form embedding fit, and the anti-falling part is obliquely arranged along the direction deviating from the pipe mouth of the cold and hot water hose connector and forms abutting sealing fit with the clamping part of the water hose connector.

6. The thermostatic mixing valve inlet coupling plugging structure of claim 4 wherein: the locking part gradually reduces and is conical along the direction of pointing to the mouth of the cold and hot water hose joint, the mouth of the pipe of the guiding part forms an abutting part through flanging, and the inner diameter of the abutting part is larger than the outer diameter of the clamping cylinder, so that the clamping cylinder is abutted.

7. The thermostatic mixing valve inlet coupling plugging structure of claim 6 wherein: the clamping cylinder body is provided with a stepped ring on one side far away from the mouth of the cold and hot water hose joint, the spring is arranged between the inner wall of the stepped part and the stepped ring of the clamping cylinder body, one end of the spring is abutted to the inner wall of the stepped part, and the other end of the spring is sleeved on the stepped ring.

8. The thermostatic mixing valve inlet coupling plugging structure of claim 1 wherein: the water leakage prevention assembly comprises a rod body, a reset spring sleeved on the rod body and a piston fixedly connected with the rod body, wherein the inner side of the piston is fixedly connected with the first end of the rod body, and the second end of the rod body penetrates through a through hole in the center of the annular blocking part; the first end of the rod body extends outwards horizontally to form a circular flange, one end of the reset spring is propped against the flange, and the end face of the first end of the rod body and the flange are fixed with the piston through bonding cladding.

9. The thermostatic mixing valve water inlet coupling plugging structure of claim 8 wherein: the pipe orifice of the water pipe joint protrudes inwards to form an annular clamping step, the inner wall of the water pipe joint protrudes inwards to form an annular blocking part, the outer side of the piston abuts against the clamping step, and the other end of the reset spring abuts against the annular blocking part.