Thermostatic valve core with connecting piece

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By setting up axial guide grooves and limit grooves on the valve body of the constant temperature valve core and designing connectors that are suitable for different faucets, the management and production problems of various types and similar structures of the constant temperature valve core are solved, and rapid installation and cost are achieved Reduced effect.

CN222458445UActive Publication Date: 2025-02-11ZHUHAI MINGSHI HARDWARE MFG CO LTD

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Patent Information

Application Number: CN202420975225.8
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-05-07
Publication Date: 2025-02-11
Estimated Expiration: 2034-05-07

AI Technical Summary

Technical Problem

There are many types of constant temperature valve cores that are difficult to manage, and different types of constant temperature valve cores are similar in structure but different in part, which makes it easy to be confused during use and production, and is not conducive to cost reduction.

Method used

Design a constant temperature valve core with connectors. By setting an axial guide groove and a limit groove on the valve body, combining different models of connectors to achieve rapid installation of connectors and valve bodies, and at least two types of connectors are set. Different models of connectors are suitable for the installation of at least two faucets.

Benefits of technology

It realizes rapid installation and management of constant temperature valve cores, reduces the number of constant temperature valve core types, reduces production costs, and facilitates manufacturer management.

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Abstract

The utility model provides a thermostatic valve core with connecting pieces, which comprises a valve body and the connecting pieces, the connecting pieces at least comprise two different models, and each model of connecting piece can be connected with the valve body; an axial guide groove and a limiting groove are formed in the valve body, the limiting groove extends in the circumferential direction of the valve body, and the axial guide groove communicates with the first end of the limiting groove; the connecting piece comprises a connecting ring and a flange part, the flange part inwards protrudes out of the inner wall of the connecting ring, the connecting ring is arranged on the outer side of the valve body in a sleeving mode, the flange part is screwed into the limiting groove from the axial guide groove, and the groove wall of the limiting groove can limit the connecting piece to be separated from the valve body in the axial direction; when the constant-temperature valve is installed on different faucets, only proper connecting pieces need to be selected, the constant-temperature valve element does not need to be replaced, the types of the constant-temperature valve element can be reduced, the effect of saving cost is achieved, and manufacturer management is facilitated.

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Description

Technical Field

[0001] The utility model relates to the field of thermostatic valve cores, in particular to a thermostatic valve core with a connecting piece. Background Art

[0002] The thermostatic valve core is a device that automatically adjusts the mixing ratio of hot and cold water so that the temperature of the mixed water can be automatically maintained at the set temperature. Generally, the thermostatic valve core and the faucet need to match each other. Different types of faucets need to be equipped with different types of thermostatic valve cores, resulting in a large number of thermostatic valve core types, which is inconvenient to manage. Moreover, some types of thermostatic valve cores are generally the same in structure, and the difference only lies in some local structures. Not only are they easy to confuse when in use, but also the production of multiple thermostatic valve cores with generally the same structure but different parts is not conducive to reducing costs. Utility Model Content

[0003] The utility model aims to provide a thermostatic valve core with a connecting piece which is convenient to manage and applicable to at least two types of faucets.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a thermostatic valve core with a connecting piece, including a valve body and a connecting piece, the connecting piece includes at least two different models, and each model of the connecting piece can be connected to the valve body; an axial guide groove and a limit groove are provided on the valve body, the limit groove extends along the circumference of the valve body, and the axial guide groove is connected to the first end of the limit groove; the connecting piece includes a connecting ring and a flange portion, the flange portion protrudes inwardly from the inner wall of the connecting ring, the connecting ring is sleeved on the outer side of the valve body, the flange portion is screwed into the limit groove from the axial guide groove, and the groove wall of the limit groove can limit the connecting piece from detaching from the valve body along the axial direction.

[0005] It can be seen from the above scheme that by providing the axial guide groove and the limit groove, the flange part can be conveniently moved along the axial guide groove first, and then rotated around its axis, so that the flange part enters the limit groove, and the groove plate of the limit groove is used to limit the flange part from leaving the limit groove, which is conducive to the rapid installation of the connecting piece and the valve body; the utility model can correspond to at least two different faucets by providing at least two different types of connecting pieces. During installation, only the appropriate connecting piece needs to be selected, and the thermostatic valve core does not need to be replaced. Not only can the types of thermostatic valve cores be reduced, which saves costs, but also facilitates manufacturer management.

[0006] A further solution is that a stop portion is provided at the second end of the limiting groove, and a stop surface is provided at one side of the flange portion, and the stop surface is adjacent to the stop portion.

[0007] It can be seen from the above solution that the stopper is provided to limit the maximum rotation angle of the connection around its axis.

[0008] A further solution is that a pin is provided between the connecting piece and the valve body, and the pin passes through the connecting piece and is connected to the valve body.

[0009] It can be seen from the above scheme that by providing a pin, when the connecting piece is rotated into place, the connecting pin is connected, which is helpful to prevent the connecting ring from rotating and avoid accidental separation of the connecting ring and the valve body.

[0010] A further solution is that a protrusion is provided on the valve body, the protrusion and the axial guide groove are arranged along the circumference of the valve body, the limiting groove is provided on one axial side of the protrusion, one side wall of the protrusion constitutes one side groove wall of the limiting groove, and the pin passes through the connecting ring and is embedded in the protrusion.

[0011] A further solution is that the connecting piece is fixedly connected to the valve body, or the connecting piece is detachably connected to the valve body.

[0012] A further solution is that the connecting member includes three different types, namely a first connecting member, a second connecting member and / or a third connecting member, and any one of the first connecting member, the second connecting member and the third connecting member can be detachably connected to the valve body.

[0013] It can be seen from the above scheme that by setting three different types of connectors corresponding to three faucets respectively, it is convenient to select suitable connectors according to different faucets.

[0014] A further solution is that a first external thread structure is provided on the outer peripheral wall of the first connecting member.

[0015] A further solution is that a second external thread structure and an edge portion are provided on the outer peripheral wall of the second connecting member, the second external thread structure and the edge portion are arranged axially along the connecting ring, and in the radial direction of the second connecting member, the edge portion protrudes from the second external thread structure.

[0016] A further solution is that a side locking hole is provided on the third connecting member, and the side locking hole extends in a radial direction of the third connecting member.

[0017] A further solution is that the first connecting member, the second connecting member and the third connecting member are all made of metal material.

[0018] It can be seen from the above solution that by using metal materials to make the connecting piece, the connecting piece has an anti-freezing function. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is an exploded view of the first embodiment of the utility model.

[0020] Figure 2 It is a cross-sectional view of the first embodiment of the utility model.

[0021] Figure 3 It is an exploded view of the second embodiment of the utility model.

[0022] Figure 4 It is a cross-sectional view of the second embodiment of the utility model.

[0023] Figure 5 It is an exploded view of the third embodiment of the utility model.

[0024] Figure 6 It is a cross-sectional view of the third embodiment of the utility model.

[0025] The present invention will be further described below with reference to the accompanying drawings and embodiments. DETAILED DESCRIPTION

[0026] Thermostatic valve core first embodiment:

[0027] See also Figure 1 and Figure 2 The present embodiment provides a thermostatic valve core with a connector, including a valve body 1 and a connector, wherein the connector includes at least two different types, and each type of connector can be connected to the valve body 1. The connector is fixedly connected to the valve body 1, or detachably connected.

[0028] Two axial guide grooves 11, two protrusions 12 and two limiting grooves 13 are arranged on the middle part of the valve body 1. The axial guide groove 11 extends in a straight line or a curve along the axial direction of the valve body 1. In this embodiment, it is preferably extended in a straight line. The two axial guide grooves 11 are respectively arranged on opposite sides of the valve body 1; the protrusions 12 and the axial guide grooves 11 are arranged at intervals along the circumference of the valve body 1. The limiting groove 13 extends along the circumference of the valve body 1, and the limiting groove 13 is arranged on one axial side of the protrusion 12. Preferably, the limiting groove 13 is arranged below the protrusion 12, and the side wall of one side of the protrusion 12 constitutes the upper groove wall of the limiting groove 13. The lower part of the axial guide groove 11 is connected to the first end of the limiting groove 13, and the second end of the limiting groove 13 is provided with a stopper 15, and the outer peripheral wall of the stopper 15 protrudes from the outer peripheral wall of the protrusion 12, so that the upper surface of the stopper 15 is formed with a step surface 16.

[0029] The connecting parts of this embodiment include three different models, namely a first connecting part 2, a second connecting part 3 and a third connecting part 4. Any one of the first connecting part 2, the second connecting part 3 and the third connecting part 4 can be connected to the valve body 1. This embodiment takes the first connecting part 2 as an example.

[0030] The first connecting member 2 includes a connecting ring 21 and two flange portions 22. The two flange portions 22 are respectively arranged on opposite sides of the connecting ring 21. On the one hand, the flange portions 22 protrude inwardly from the inner wall of the connecting ring 21. On the other hand, the flange portions 22 protrude downwardly from the bottom wall of the connecting ring 21 along the axial direction of the first connecting member 2, so that a stop surface 23 is formed on one side of the flange portion 22.

[0031] The connecting ring 21 is sleeved on the outer side of the middle part of the valve body 1. During the installation process, the flange part 22 is first inserted into the axial guide groove 11 and moves downward along the axial guide groove 11, and then the first connecting member 2 is rotated clockwise around the axis of the connecting ring 21, so that the flange part 22 is screwed into the limiting groove 13, and the upper and lower groove walls of the limiting groove 13 are used to limit the first connecting member 2 to prevent the first connecting member 2 from axially separating from the valve body 1. When the first connecting member 2 is installed in place, the stop surface 23 of the flange part 22 is adjacent to the stop part 15, preferably abutting, to limit the maximum rotation angle of the first connecting member 2.

[0032] In order to prevent the first connecting member 2 from rotating and loosening after being rotated into place, two pins 5 are further arranged between the first connecting member 2 and the valve body 1. The two pins 5 are respectively arranged on opposite sides of the first connecting member 2, and the pins 5 pass through the first connecting member 2 to connect with the valve body 1. Specifically: the valve body 1 is provided with a first mounting hole 14 on the protruding portion 12, and the first mounting hole 14 extends along its radial direction; the first connecting member 2 is provided with two second mounting holes 24, preferably, the second mounting holes 24 are arranged above the flange portion 22; the pin 5 passes through the second mounting hole 24 and is connected to the first mounting hole 14. The pin 5 and the first mounting hole 14 are clearance-fitted, interference-fitted or thread-fitted.

[0033] In this embodiment, a first external thread structure 25 is provided on the outer peripheral wall of the first connecting ring 21. The first external thread connecting structure spirally extends from the top wall of the connecting ring 21 to the bottom wall of the flange portion 22, so as to facilitate the connection with the internal thread structure in the faucet.

[0034] Thermostatic valve core second embodiment:

[0035] See also Figure 3 and Figure 4 Based on the first embodiment of the thermostatic valve core described above, the thermostatic valve core provided in this embodiment includes a second connecting member 3 .

[0036] The second connecting member 3 includes a connecting ring 31 and two flange portions 32. The two flange portions 32 are respectively arranged on opposite sides of the connecting ring 31, and the flange portions 32 protrude inwardly from the inner wall of the connecting ring 31. At the same time, the flange portion 32 protrudes downwardly from the bottom wall of the connecting ring 31 along the axial direction of the second connecting member 3, so that a stop surface 33 is formed on one side of the flange portion 32.

[0037] In order to prevent the second connecting member 3 from loosening after being rotated into place, two pins 5 are further arranged between the second connecting member 3 and the valve body 1. The two pins 5 are respectively arranged on opposite sides of the second connecting member 3, and the pins 5 pass through the second connecting member 3 to be connected with the valve body 1.

[0038] The structure of the second connecting member 3 is basically the same as that of the first connecting member 2, and the difference between the two is that: a second external thread structure 34 and two edge portions 35 are provided on the outer peripheral wall of the second connecting member 3, and the two edge portions 35 are respectively provided on opposite sides of the second connecting member 3, and the second external thread structure 34 and the edge portions 35 are arranged along the axial direction of the connecting ring 31. In the axial direction, the edge portion 35 is located above the second external thread structure 34; in the radial direction of the second connecting member 3, the edge portion 35 protrudes from the second external thread structure 34. The second external thread structure 34 and the edge portion 35 are both used to cooperate with the faucet.

[0039] The third embodiment of the thermostatic valve core:

[0040] See also Figure 5 and Figure 6 Based on the first embodiment of the thermostatic valve core described above, the thermostatic valve core provided in this embodiment includes a third connecting member 4.

[0041] The third connecting member 4 includes a connecting ring 41 and two flange portions 42. The two flange portions 42 are respectively arranged on opposite sides of the connecting ring 41, and the flange portions 42 protrude inwardly from the inner wall of the connecting ring 41. At the same time, the flange portion 42 protrudes downward from the bottom wall of the connecting ring 41 along the axial direction of the third connecting member 4, so that a stop surface 43 is formed on one side of the flange portion 42.

[0042] The structure of the third connecting member 4 is substantially the same as that of the first connecting member 2, and the difference between the two is that a third mounting hole 44 and a side locking hole 45 are provided on the connecting ring 41, and the third mounting hole 44 and the side locking hole 45 are respectively provided on opposite sides of the connecting ring 41, and both the third mounting hole 44 and the side locking hole 45 extend along the radial direction of the connecting ring 41. Preferably, the third mounting hole 44 and the side locking hole 45 are respectively provided above the two flange portions 42, the side locking hole 45 is provided as a threaded hole, and the third mounting hole 44 is provided as a plain hole or a threaded hole.

[0043] In order to prevent the third connecting member 4 from loosening after being rotated into place, a pin 5 is further provided between the third connecting member 4 and the valve body 1. The pin 5 passes through the third mounting hole 44 and is connected in the third mounting hole 44; the third connecting member 4 is connected to the faucet by a screw, and the screw is connected in the side locking hole 45.

[0044] In the above three embodiments, the first connecting member 2, the second connecting member 3 and the third connecting member 4 are all made of metal materials, so that they have anti-freezing function.

[0045] In summary, the utility model provides an axial guide groove and a limit groove, so that the flange part first moves along the axial guide groove and then rotates around its axis, so that the flange part enters the limit groove, and the groove plate of the limit groove is used to limit the flange part from leaving the limit groove, which is conducive to the rapid installation of the connecting piece and the valve body; the utility model provides at least two different types of connecting pieces, which can correspond to at least two different faucets. During installation, only the appropriate connecting piece needs to be replaced separately, and the thermostatic valve core does not need to be replaced. This not only reduces the types of thermostatic valve cores and saves costs, but also facilitates manufacturer management.

[0046] Finally, it should be emphasized that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various changes and modifications. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A thermostatic valve core with a connector, comprising a valve body, characterized in that: It also includes a connecting piece, the connecting piece includes at least two different types, and each type of connecting piece can be connected to the valve body; The valve body is provided with an axial guide groove and a limiting groove, the limiting groove extends along the circumference of the valve body, and the axial guide groove is communicated with a first end of the limiting groove; The connecting piece includes a connecting ring and a flange portion, wherein the flange portion protrudes inwardly from the inner wall of the connecting ring, the connecting ring is sleeved on the outer side of the valve body, and the flange portion is screwed into the limiting groove from the axial guide groove. The groove wall of the limiting groove can limit the connecting piece from axially separating from the valve body.

2. The thermostatic valve core with a connector according to claim 1, characterized in that: A stop portion is disposed at the second end of the limiting groove, and a stop surface is disposed at one side of the flange portion, wherein the stop surface is adjacent to the stop portion.

3. The thermostatic valve core with a connector according to claim 1, characterized in that: A pin is also provided between the connecting member and the valve body, and the pin passes through the connecting member and is connected to the valve body.

4. The thermostatic valve core with a connector according to claim 3, characterized in that: The valve body is provided with a protrusion, and the protrusion and the axial guide groove are arranged along the circumference of the valve body. The limiting groove is arranged on one axial side of the protrusion, and one side wall of the protrusion constitutes one side groove wall of the limiting groove. The pin passes through the connecting ring and is embedded in the protrusion.

5. The thermostatic valve core with a connector according to claim 1, characterized in that: The connecting member is fixedly connected to the valve body, or the connecting member is detachably connected to the valve body.

6. The thermostatic valve core with a connector according to any one of claims 1 to 5, characterized in that: The connecting piece includes three different types, namely a first connecting piece, a second connecting piece and a third connecting piece. Any one of the first connecting piece, the second connecting piece and the third connecting piece can be connected to the valve body.

7. The thermostatic valve core with a connector according to claim 6, characterized in that: A first external thread structure is arranged on the outer peripheral wall of the first connecting member.

8. The thermostatic valve core with a connector according to claim 6, characterized in that: A second external thread structure and an edge portion are provided on the outer peripheral wall of the second connecting member. The second external thread structure and the edge portion are arranged in an axial direction of the second connecting member, and in a radial direction of the second connecting member, the edge portion protrudes from the second external thread structure.

9. The thermostatic valve core with a connector according to claim 6, characterized in that: The third connecting member is provided with a side locking hole, and the side locking hole extends along the radial direction of the third connecting member.

10. The thermostatic valve core with a connector according to claim 6, characterized in that: The first connecting member, the second connecting member and the third connecting member are all made of metal material.