CN218935418U - Core tube of leak-proof water valve - Google Patents
Core tube of leak-proof water valve Download PDFInfo
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- CN218935418U CN218935418U CN202223342462.0U CN202223342462U CN218935418U CN 218935418 U CN218935418 U CN 218935418U CN 202223342462 U CN202223342462 U CN 202223342462U CN 218935418 U CN218935418 U CN 218935418U
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Abstract
The utility model aims to provide a leakage-proof water valve core pipe with more reasonable stress, tighter connection and good sealing effect, which comprises a valve core pipe body and a valve core installation seat, wherein the valve core pipe body comprises a water inlet pipe, a water outlet pipe and a valve core seat which is arranged between the water inlet pipe and the water outlet pipe and is respectively communicated with the water inlet pipe and the water outlet pipe, a valve core installation opening is formed in the valve core seat, a valve core installation groove is formed in the valve core installation seat inwards, a water inlet and at least one water outlet are formed in the bottom of the valve core installation groove, a water inlet channel is formed in the valve core seat for water of the at least one water outlet to flow in and is communicated with the water outlet pipe, and an axial limiting device for limiting the valve core installation seat on the valve core pipe body in the axial direction is detachably arranged between the valve core seat and the valve core installation seat.
Description
Technical Field
The utility model relates to the technical field of faucets, in particular to a leak-proof water valve core tube.
Background
In order to solve the problems that metal pollution is caused by flowing of metal parts in the water inlet and outlet processes of a faucet and corrosion is caused by water flow erosion of the metal parts, most of existing faucets adopt a combined faucet with an outer metal shell and an inner plastic valve core tube, a valve core of the combined faucet is generally arranged on a valve core mounting seat of the inner plastic valve core tube, the valve core mounting seat and the inner plastic valve core tube are integrally manufactured, and once damaged, the whole inner plastic valve core tube needs to be replaced, so that the cost is high.
The Chinese patent publication number is: CN216692343U discloses an improved generation inner core body, including the inner core body main part, the inner core body main part include inlet tube, outlet pipe, set up in the inlet tube with between the outlet pipe with the inlet tube reaches the connecting seat that the outlet pipe is linked together, its characterized in that: the connecting seat is detachably provided with a mounting seat for mounting an external control valve core, the mounting seat is provided with a water inlet hole communicated with the water inlet pipe, and the mounting seat is provided with more than one water outlet hole communicated with the water outlet pipe; through separately setting up mount pad and inner core body, solved the aforesaid problem, still there is not enough:
1. the mounting seat and the connecting end are integrally arranged, the connecting stress between the mounting seat and the connecting seat is all on the connecting end, the diameter of the connecting end is small, the stress surface is small, the valve core and other faucet components are placed on one side, away from the connecting end, of the mounting seat in the use process, the stress on two sides is uneven, and the breakage is easy to generate, so that water leakage is caused.
2. When the connecting end head and the mounting seat are integrally arranged, the connecting end head and the other side prevent the valve core from synchronously moving, and the screw thread is possibly loosened or disabled in the process of mounting the valve core and using the faucet, so that water leakage is caused.
Disclosure of Invention
The utility model aims at overcoming the defects and shortcomings of the prior art, and provides a leakage-proof water valve core pipe with more reasonable stress, tighter connection and good sealing effect.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the core tube of the leakage-proof water valve comprises a core tube body and a core mounting seat, wherein the core tube body comprises a water inlet tube, a water outlet tube and a core seat which is arranged between the water inlet tube and the water outlet tube and is respectively communicated with the water inlet tube and the water outlet tube, a core mounting opening is formed in the core seat, a core mounting groove is formed in the core mounting seat inwards, a water inlet and at least one water outlet are formed in the bottom of the core mounting groove, a water inlet channel is formed in the core seat for water of the at least one water outlet to flow in and is communicated with the water outlet tube, and an axial limiting device for axially limiting the core mounting seat on the core tube body is detachably arranged between the core seat and the core mounting seat.
The further improvement is that: and a radial limiting device for preventing the valve core mounting seat from rotating on the valve core seat is further arranged between the valve core seat and the valve core mounting seat.
The further improvement is that: the axial limiting device comprises a positioner and a thread structure which is respectively arranged on the positioner and the valve core mounting opening, wherein the positioner penetrates through a water inlet thread on the valve core mounting seat and is connected with the valve core mounting opening in a threaded manner to axially limit the valve core mounting seat on the valve core pipe body.
The further improvement is that: the middle part of the locator is provided with a second water inlet channel which axially penetrates through the locator, and the maximum diameter of the cross section of the locator is smaller than the minimum diameter of the cross section of the valve core mounting groove.
The further improvement is that: the radial limiting device comprises at least one limiting groove which is arranged on the valve core seat and is inwards arranged, and a limiting protrusion which protrudes out of the lower bottom surface of the valve core mounting seat and is matched with the limiting groove.
The further improvement is that: the valve core mounting seat and the valve core seat are provided with a first sealing device and a second sealing device for sealing a gap between the water inlet pipe and the valve core mounting seat to prevent water leakage, the second sealing device is arranged between the valve core mounting opening, the water inlet and the positioner, and the first sealing device is arranged between the outer edge of the lower bottom surface of the valve core mounting seat and the valve core seat.
The further improvement is that: and a third sealing device is arranged between the positioner and the valve core mounting groove and is positioned between the water inlet and the positioner.
The further improvement is that: the first sealing device and the second sealing device are rubber sealing rings.
The further improvement is that: the third sealing device is a rubber sealing ring.
The further improvement is that: the number of the limiting grooves is two, and the number of the limiting protrusions is two.
The further improvement is that: the number of the water outlets is two.
After the technical scheme is adopted, the utility model has the beneficial effects that: according to the utility model, the valve core mounting seat is not directly connected with the valve core pipe body, but is limited on the valve core pipe body by the axis through the positioner, the positioner is stressed at the moment instead of the valve core mounting seat, most of the positioner is wrapped by the valve core mounting opening, and the other half of the positioner is wrapped by the valve core mounting seat, so that the force is dispersed again, and water leakage caused by the breakage of the connecting position of the valve core mounting seat is avoided.
Further is: according to the utility model, the radial limiting device is arranged between the valve core mounting seat and the valve core seat, so that the possibility that the valve core mounting seat rotates along with the positioner is limited, the valve core mounting seat and the valve core seat are tightly connected, the sealing performance is stronger, and the water leakage preventing performance is better.
Further is: the valve core can have an inward extrusion effect on the positioner in actual use, so that the threaded connection between the positioner and the valve core mounting port is prevented from loosening, and water leakage possibly generated is further prevented.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a side view of a leak resistant water valve core tube of the present utility model;
FIG. 2 is a front view of a valve cartridge tube body in an embodiment of the present utility model;
FIG. 3 is a cross-sectional view of an embodiment of the present utility model after the retainer is coupled to the valve cartridge mount;
FIG. 4 is a schematic view of the waterway of the water leakage preventing valve core of the present utility model;
FIG. 5 is an exploded view of the water leakage preventing valve cartridge of the present utility model;
fig. 6 is a rear view of the valve cartridge mount in an embodiment of the utility model.
Detailed Description
The utility model will now be further described with reference to the drawings and specific examples.
Referring to fig. 1 to 6, the technical scheme adopted in this embodiment is as follows: the core tube of the leak-proof water valve comprises a core tube body 1 and a core mounting seat 2, wherein the core tube body 1 comprises a water inlet tube 3, a water outlet tube 4 and a core seat 5 which is arranged between the water inlet tube 3 and the water outlet tube 4 and is respectively communicated with the water inlet tube 3 and the water outlet tube 4, a water inlet port 18 at the bottom of the water outlet tube 4 is positioned on the side wall of the core seat 5 and is communicated with the core seat 5, a core mounting port 6 is arranged on the core seat 5, the core mounting port 6 is communicated with the water inlet tube 3, a core mounting groove 7 is inwards arranged on the core mounting seat 2, a water inlet 8 and two water outlets 9 are arranged at the bottom of the core mounting groove 7, a water inlet channel 10 for water to flow from the two water outlets 9 is arranged on the core seat 5, a water inlet port 18 at the bottom of the water outlet tube 4 is arranged on the side wall of the water inlet channel 10, the water inlet channel 10 is communicated with the water outlet pipe 4, the two water outlets 9 are symmetrically distributed along the axis where the water inlet 8 is located, a locator 11 for axially limiting the valve core mounting seat 2 on the valve core pipe body 1 is arranged between the valve core seat 5 and the valve core mounting seat 2, a thread structure 19 is arranged on the outer surface of the locator 11, a thread structure 20 is arranged on the valve core mounting opening 6, the locator 11 penetrates through the water inlet 8 on the valve core mounting seat 2 to be connected with the valve core mounting opening 6 in a threaded manner to axially limit the valve core mounting seat 2 on the valve core pipe body 1, a second water inlet channel 12 which axially penetrates through the locator 11 is arranged in the middle of the locator 11, the maximum diameter of the cross section of the locator 11 is smaller than the minimum diameter of the cross section of the valve core mounting groove 7, the water inlet 8 is avoided from being arranged on the locator 11, so that locator 11 can get into case mounting groove 7 smoothly and do not shelter from delivery port 8, rivers can flow out smoothly, case seat 5 with still be provided with between the case mount pad 2 and be used for preventing the radial stop device of case mount pad 2 pivoted on case seat 5, radial stop device is including being located two spacing groove 13 and the salient that inwards offer on the case seat 5 the lower bottom surface of case mount pad 2 matches two spacing protruding 14 that spacing groove 13 set up, two spacing groove 13 are followed the axis symmetry setting of case mounting hole 6, two spacing protruding 14 with two delivery port 9 interval distribution sets up, two spacing groove 13 with water inlet channel 10 intercommunication.
In order to close the gap between the water inlet pipe 3 and the valve core mounting seat 2 and better prevent water leakage, a rubber sealing ring 15 is arranged between the valve core mounting opening 6, the water inlet 8 and the positioner 11, a rubber sealing ring 16 is arranged between the outer edge of the lower bottom surface of the valve core mounting seat 2 and the valve core seat 5, and a rubber sealing ring 17 is arranged between the positioner 11 and the valve core mounting groove 7 and is positioned between the water inlet 8 and the positioner 11.
Working principle: as shown in fig. 4, after the limit protrusion 14 on the lower bottom surface of the valve core mounting seat 2 is aligned with the limit groove 13 on the valve core seat 5, the limit protrusion 14 is inserted into the limit groove 13, the valve core mounting seat 2 is positioned on the valve core seat 5 of the valve core pipe body 1, and the water path at this time is that water flows from the water inlet pipe 3 into the valve core mounting groove 7 through the valve core mounting opening 6 and the water inlet 8, flows into the water inlet channel 10 positioned on the valve core seat 5 through the two water outlets 9, and finally flows out of the valve core pipe body 1 through the water outlet pipe 4; then the positioner 11 is placed in the valve core mounting groove 7 to be in threaded connection with the valve core mounting opening 6, the valve core mounting seat 2 is limited on the valve core pipe body 1 in the axial direction, the positioner 11 is rotated and advanced when being connected with the valve core mounting opening 6 in the valve core mounting groove 7, but as the limiting protrusion 14 on the valve core mounting seat 2 is inserted into the limiting groove 13 at the moment, the radial limiting effect is achieved on the rotation of the valve core mounting seat 2 along with the positioner 11, and the waterway at the moment is that the waterway flows into the valve core mounting groove 7 from the water inlet pipe 3 through the valve core mounting opening 6 and the second water inlet channel 12, flows into the water inlet channel 10 positioned on the valve core seat 5 through the two water outlets 9, and finally flows out of the valve core pipe body 1 through the water outlet pipe 4; in practical use, the valve core is arranged in the valve core mounting groove 7, and a component for fixing the valve core is arranged at the front end of the valve core mounting groove 7, and can limit the valve core in the valve core mounting groove 7 together with the valve core mounting seat 2, and the limited valve core can play a role in inward extrusion on the positioner 11, so that the threaded connection between the positioner 11 and the valve core mounting opening 6 is prevented from loosening, and water leakage possibly generated is prevented.
While the basic principles and main features of the present utility model and advantages thereof have been shown and described, it will be understood by those skilled in the art that the present utility model is not limited by the foregoing embodiments, which are described merely by way of illustration of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined in the appended claims and their equivalents.
Claims (10)
1. The core tube of the leak-proof water valve comprises a core tube body and a core mounting seat, wherein the core tube body comprises a water inlet tube, a water outlet tube and a core seat which is respectively communicated with the water inlet tube and the water outlet tube, a core mounting opening is formed in the core seat, a core mounting groove is formed in the core mounting seat inwards, a water inlet and at least one water outlet are formed in the bottom of the core mounting groove, and a water inlet channel is formed in the core seat for supplying water of the at least one water outlet to flow in and to be communicated with the water outlet tube, and the leak-proof water valve is characterized in that: an axial limiting device for axially limiting the valve core mounting seat on the valve core pipe body is detachably arranged between the valve core seat and the valve core mounting seat.
2. The leak resistant water valve core as set forth in claim 1 wherein the leak resistant water valve core: and a radial limiting device for preventing the valve core mounting seat from rotating on the valve core seat is further arranged between the valve core seat and the valve core mounting seat.
3. The leak resistant water valve core tube as set forth in claim 1 or 2, wherein: the axial limiting device comprises a positioner and a thread structure which is respectively arranged on the positioner and the valve core mounting opening, wherein the positioner penetrates through a water inlet thread on the valve core mounting seat and is connected with the valve core mounting opening in a threaded manner to axially limit the valve core mounting seat on the valve core pipe body.
4. The leak resistant water valve core tube as set forth in claim 3 wherein: the middle part of the locator is provided with a second water inlet channel which axially penetrates through the locator, and the maximum diameter of the cross section of the locator is smaller than the minimum diameter of the cross section of the valve core mounting groove.
5. The leak resistant water valve core tube as set forth in claim 2 wherein: the radial limiting device comprises at least one limiting groove which is arranged on the valve core seat and is inwards arranged, and a limiting protrusion which protrudes out of the lower bottom surface of the valve core mounting seat and is matched with the limiting groove.
6. The leak resistant water valve core tube as set forth in claim 3 wherein: the valve core mounting seat and the valve core seat are provided with a first sealing device and a second sealing device for sealing a gap between the water inlet pipe and the valve core mounting seat to prevent water leakage, the second sealing device is arranged between the valve core mounting opening, the water inlet and the positioner, and the first sealing device is arranged between the outer edge of the lower bottom surface of the valve core mounting seat and the valve core seat.
7. The leak resistant water valve core tube as set forth in claim 6 wherein: and a third sealing device is arranged between the positioner and the valve core mounting groove and is positioned between the water inlet and the positioner.
8. The leak resistant water valve core tube as set forth in claim 6 wherein: the first sealing device and the second sealing device are rubber sealing rings.
9. The leak resistant water valve core tube as set forth in claim 7 wherein: the third sealing device is a rubber sealing ring.
10. The leak resistant water valve core tube as set forth in claim 5 wherein: the number of the limiting grooves is two, and the number of the limiting protrusions is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223342462.0U CN218935418U (en) | 2022-12-13 | 2022-12-13 | Core tube of leak-proof water valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223342462.0U CN218935418U (en) | 2022-12-13 | 2022-12-13 | Core tube of leak-proof water valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218935418U true CN218935418U (en) | 2023-04-28 |
Family
ID=86064645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223342462.0U Active CN218935418U (en) | 2022-12-13 | 2022-12-13 | Core tube of leak-proof water valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218935418U (en) |
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2022
- 2022-12-13 CN CN202223342462.0U patent/CN218935418U/en active Active
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