CN219774875U - Constant temperature valve core - Google Patents
Constant temperature valve core Download PDFInfo
- Publication number
- CN219774875U CN219774875U CN202321237848.7U CN202321237848U CN219774875U CN 219774875 U CN219774875 U CN 219774875U CN 202321237848 U CN202321237848 U CN 202321237848U CN 219774875 U CN219774875 U CN 219774875U
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- cavity
- plug
- temperature sensing
- matched
- driving
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 238000007789 sealing Methods 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Temperature-Responsive Valves (AREA)
Abstract
The constant temperature valve core comprises an upper shell, a driving piece, a driven piece, a lower shell, a valve plug, a temperature sensing bag, a push rod and a spring, wherein the hinge part is in running fit with the rotating hole, the rotating part is in running fit with the upper part of the driving cavity and is sealed, the guiding part is in sliding fit with the lower part of the driving cavity along the axial direction, and the external thread body part is in threaded fit with the internal thread driving cavity; the valve plug is in sliding fit with the plug cavity and is sealed, the temperature sensing bulb is arranged in the lower cavity and is fixed with the connecting seat, the push rod is connected with the temperature sensing bulb and is matched with the driven piece, and the upper end of the valve plug is matched with the upper valve seat, the lower end of the valve plug is matched with the bottom plate of the plug cavity to adjust the proportion of cold water and hot water; the spring is matched with the temperature sensing bulb and the bottom plate of the mixed water outlet cavity; the external thread head is screwed with the internal thread interface. The upper shell and the lower shell are arranged, the lower shell integrates cold water inlet, hot water inlet, constant temperature water outlet and a plug cavity, the upper shell and the lower shell are directly connected, the water temperature is convenient to adjust, and the volume is small.
Description
Technical Field
The utility model relates to the technical field of bathroom, in particular to a constant-temperature valve core for adjusting the proportion of cold water.
Background
At present, in the prior art, chinese patent 201510381305.6, a constant temperature valve core of a faucet, the valve core comprises a valve core main body, a valve rod, a support, a lifting head, a temperature sensing rod, a sealing element, a spring, a movable valve plate, a static valve plate, an inner rubber ring, a base and an outer rubber ring arranged on the base, wherein the valve rod, the support, the lifting head, the temperature sensing rod, the sealing element, the spring, the movable valve plate, the static valve plate, the inner rubber ring, the base and the outer rubber ring are sequentially arranged in the valve rod from top to bottom, and the temperature sensing rod stretches or contracts to control the inflow of cold and hot water through the spring and the sealing element so that the outflow temperature always reaches the set temperature. A water outlet is arranged at the lower end of the base. The problems are: the proportion of cold water and hot water is adjusted through the movable valve plate and the static valve plate, and the spring force of the adjusting spring is realized, so that the structure is complex; the body is large.
Chinese patent 201720750893.0, a constant temperature valve core, adjusting lever, moving screw, end cover, valve core body, temperature sensing stick, reset spring, piston, push rod, kicking block, end cover and valve core body are buckled together to form the valve core main part sealingly, adjusting lever, moving screw, kicking block, push rod, piston, temperature sensing stick and reset spring are installed in proper order in the valve core main part. Cold and hot water respectively enter from the circumferential direction, and constant temperature water flows out from the bottom. The problems are: the volume is large.
Disclosure of Invention
The purpose of the utility model is that: the constant temperature valve core has the characteristics of convenient temperature adjustment and small volume.
The utility model is realized in the following way: the constant temperature valve core is characterized in that: comprises an upper shell, a driving piece, a driven piece, a lower shell, a valve plug, a temperature sensing bag, a push rod and a spring,
the upper shell comprises a driving cavity, an upper valve seat and an internal thread interface, and a top plate of the driving cavity is provided with a rotating hole;
the driving piece comprises a driving rod, a hinge part, a rotating part and an internal thread driving cavity;
the driven piece comprises an external thread body part and a guide part;
the lower shell comprises an external thread head, a cold water inlet cavity, an axial cold water channel, a cold water hole, a plug cavity, a mixed water outlet cavity, a constant temperature water hole, an axial hot water channel and a hot water hole which are communicated with the plug cavity,
the valve plug comprises an upper cavity, a lower cavity, a connecting seat arranged on the partition plate and a plurality of water guide holes surrounding the connecting seat;
the hinge part is in rotary fit with the rotary hole, the rotary part is in rotary fit with the upper part of the driving cavity, the sealing part, the guiding part and the lower part of the driving cavity are in sliding fit along the axial direction, and the external thread body part is in threaded fit with the internal thread driving cavity; the valve plug is in sliding fit with the plug cavity and is sealed, the temperature sensing bulb is arranged in the lower cavity and is fixed with the connecting seat, the push rod is connected with the temperature sensing bulb and is matched with the driven piece, and the upper end of the valve plug is matched with the upper valve seat, the lower end of the valve plug is matched with the bottom plate of the plug cavity to adjust the proportion of cold water and hot water; the spring is matched with the temperature sensing bulb and the bottom plate of the mixed water outlet cavity; the external thread head is screwed with the internal thread interface.
Preferably: the upper cavity of the valve plug is provided with a turned edge, and the turned edge is matched with the bottom plate of the cold water inlet cavity to stop.
Preferably: the lower part of the driving cavity is provided with an axial guide groove;
the guide part is provided with an axial guide edge; the axial guiding edges are in sliding fit with the axial guiding grooves.
Preferably: the guide part is regular hexagonal, and six axial guide grooves are formed.
Preferably: the temperature sensing bag comprises an external thread connecting part, a flange part and a temperature sensing body part, wherein the external thread connecting part is provided with a fixing hole;
an internal thread is arranged on a connecting seat of the valve plug;
the external thread connecting part is in threaded connection with the connecting seat and penetrates through the connecting seat, the temperature sensing body part is inserted into the upper end of the spring, and the flange part is matched with the spring and the top plate of the lower cavity.
Preferably: the external diameter of the internal thread interface is the same as the external diameter of the lower shell.
The constant temperature valve core is provided with the upper shell and the lower shell, the lower shell integrates cold water inlet, hot water inlet, constant temperature water outlet and a plug cavity, the upper shell and the lower shell are directly connected, the water temperature is convenient to adjust, and the volume is small.
Drawings
Fig. 1 is a cross-sectional view of the present utility model.
Fig. 2 is a view a-a of fig. 1.
Fig. 3 is a view B-B of fig. 1.
Fig. 4 is a perspective view of the present utility model.
Fig. 5 is one of the exploded perspective views of the present utility model.
Fig. 6 is a second perspective exploded view of the present utility model.
Fig. 7 is a perspective cross-sectional view of the lower case 4 of the present utility model.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
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 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 will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1, a thermostatic valve core comprises an upper shell 1, a driving piece 2, a driven piece 3, a lower shell 4, a valve plug 5, a temperature sensing bulb 6, a push rod 7 and a spring 8,
the upper shell 1 comprises a driving cavity 11, an upper valve seat 12 and an internal thread interface 13, a rotating hole is formed in a top plate of the driving cavity 11, the diameter of the driving cavity 11 is smaller than that of the internal thread interface 13, and the upper valve seat 12 is arranged at the lower end of the driving cavity 11 or: the lower end of the driving cavity extends inwards to form an upper valve seat 12;
the driving member 2 includes a driving rod 21, a hinge portion 22, a rotating portion 23, and an internal thread driving chamber 24;
the follower 3 includes an externally threaded body 31 and a guide 32;
the lower shell 4 comprises an external thread head 41, a cold water inlet cavity 42, an axial cold water channel 43, a cold water hole 431, a plug cavity 44, a mixed water outlet cavity 45, a constant temperature water hole 451, an axial hot water channel 46 and a hot water hole 47 which are communicated with the plug cavity 44, wherein the cold water inlet cavity 42, the plug cavity 44 and the mixed water outlet cavity 45 are sequentially arranged, the axial cold water channel 43 is communicated with the cold water inlet cavity 42, the axial hot water channel 46 is communicated with the lower end of the plug cavity 44, and the upper end of the mixed water outlet cavity 45 is used as a lower valve seat; the cross sections of the axial cold water channel 43 and the axial hot water channel 46 are circular arc-shaped;
the valve plug 5 comprises an upper cavity 51, a lower cavity 52, a connecting seat 53 arranged on the partition plate and a plurality of water guide holes 54 surrounding the connecting seat 53; the connecting seat 53 is positioned in the upper cavity and is provided with a connecting hole; the upper chamber 51 is for cold water to enter;
the hinge part 22 is in rotary fit with the rotary hole, the rotary part 23 is in rotary fit with the upper part of the driving cavity 11 and is in sealing and guiding part 32 is in sliding fit with the lower part of the driving cavity 11 along the axial direction, and the external thread body part 31 is in threaded fit with the internal thread driving cavity 24; the valve plug 5 is in sliding fit and sealing with the plug cavity 44, the temperature sensing bulb 6 is arranged in the lower cavity 52 and fixed with a connecting hole of the connecting seat 53, the push rod 7 is connected with the temperature sensing bulb 6 and matched with the driven piece 3, and the upper end of the valve plug 5 is matched with the upper valve seat 12 and the bottom plate of the plug cavity 44 to adjust the cold-hot water proportion; the spring 8 is matched with the temperature sensing bulb 6 and the bottom plate of the mixed water outlet cavity 45; the male screw head 41 and the female screw interface 13 are screwed.
As a further improvement of the utility model: the upper cavity 51 of the valve plug 5 is provided with a flange 511, and the flange 511 is matched with the bottom plate of the cold water inlet cavity 42 for stopping.
As a further improvement of the utility model: an axial guide groove 111 is arranged at the lower part of the driving cavity 11;
the guide part 32 is provided with an axial guide edge 321; the axial guide rib 321 is in sliding engagement with the axial guide groove 111.
The guide portion 32 has a regular hexagonal prism shape, and six axial guide grooves 111 are provided.
As a further improvement of the utility model: the temperature sensing bulb 6 comprises an external thread connecting part 61, a flange part 62 and a temperature sensing body part 63, wherein the external thread connecting part 61 is provided with a fixing hole;
the connecting hole on the connecting seat 53 of the valve plug 5 is provided with an internal thread;
the external thread connection portion 61 is screwed with the connection hole of the connection seat 53 and penetrates through the connection seat 53, the temperature sensing body 63 is inserted into the upper end of the spring 8, and the flange portion 62 is matched with the spring 8 and the top plate of the lower cavity 52. The flange portion is located within the lower cavity 52.
The external diameter of the internal screw connection 13 is the same as the external diameter of the lower housing 4.
As shown in fig. 1, the driving member 2 is rotated, the driven member 3 moves upwards or downwards, the valve plug 5 is moved upwards or downwards by the push rod 7, and a cold water gap between the upper end of the valve plug 5 and the upper valve seat 12 and a hot water gap between the lower end of the valve plug 5 and the bottom plate of the plug cavity 44 are adjusted, so that the proportion of cold water to hot water is adjusted, and the set water outlet temperature is reached;
after the temperature is set, under the action of the temperature sensing bag 6, the valve plug 5 moves upwards or downwards to adjust the proportion of cold water and hot water automatically according to the water temperature and water pressure change of hot water or cold water, so as to realize constant temperature.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (6)
1. A constant temperature case, its characterized in that: comprises an upper shell, a driving piece, a driven piece, a lower shell, a valve plug, a temperature sensing bag, a push rod and a spring,
the upper shell comprises a driving cavity, an upper valve seat and an internal thread interface, and a top plate of the driving cavity is provided with a rotating hole;
the driving piece comprises a driving rod, a hinge part, a rotating part and an internal thread driving cavity;
the driven piece comprises an external thread body part and a guide part;
the lower shell comprises an external thread head, a cold water inlet cavity, an axial cold water channel, a cold water hole, a plug cavity, a mixed water outlet cavity, a constant temperature water hole, an axial hot water channel and a hot water hole which are communicated with the plug cavity,
the valve plug comprises an upper cavity, a lower cavity, a connecting seat arranged on the partition plate and a plurality of water guide holes surrounding the connecting seat;
the hinge part is in rotary fit with the rotary hole, the rotary part is in rotary fit with the upper part of the driving cavity, the sealing part, the guiding part and the lower part of the driving cavity are in sliding fit along the axial direction, and the external thread body part is in threaded fit with the internal thread driving cavity; the valve plug is in sliding fit with the plug cavity and is sealed, the temperature sensing bulb is arranged in the lower cavity and is fixed with the connecting seat, the push rod is connected with the temperature sensing bulb and is matched with the driven piece, and the upper end of the valve plug is matched with the upper valve seat, the lower end of the valve plug is matched with the bottom plate of the plug cavity to adjust the proportion of cold water and hot water; the spring is matched with the temperature sensing bulb and the bottom plate of the mixed water outlet cavity; the external thread head is screwed with the internal thread interface.
2. A thermostatic valve cartridge according to claim 1, wherein: the upper cavity of the valve plug is provided with a turned edge, and the turned edge is matched with the bottom plate of the cold water inlet cavity to stop.
3. A thermostatic valve cartridge according to claim 1, wherein: the lower part of the driving cavity is provided with an axial guide groove;
the guide part is provided with an axial guide edge; the axial guiding edges are in sliding fit with the axial guiding grooves.
4. A thermostatic valve cartridge according to claim 3 wherein: the guide part is regular hexagonal, and six axial guide grooves are formed.
5. A thermostatic valve cartridge according to claim 1, wherein: the temperature sensing bag comprises an external thread connecting part, a flange part and a temperature sensing body part, wherein the external thread connecting part is provided with a fixing hole;
an internal thread is arranged on a connecting seat of the valve plug;
the external thread connecting part is in threaded connection with the connecting seat and penetrates through the connecting seat, the temperature sensing body part is inserted into the upper end of the spring, and the flange part is matched with the spring and the top plate of the lower cavity.
6. A thermostatic cartridge according to claim 1, 2, 3, 4 or 5, wherein: the external diameter of the internal thread interface is the same as the external diameter of the lower shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321237848.7U CN219774875U (en) | 2023-05-17 | 2023-05-17 | Constant temperature valve core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321237848.7U CN219774875U (en) | 2023-05-17 | 2023-05-17 | Constant temperature valve core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219774875U true CN219774875U (en) | 2023-09-29 |
Family
ID=88132851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321237848.7U Active CN219774875U (en) | 2023-05-17 | 2023-05-17 | Constant temperature valve core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219774875U (en) |
-
2023
- 2023-05-17 CN CN202321237848.7U patent/CN219774875U/en active Active
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