Anti-freezing faucet inner core
By designing an anti-freeze plug structure in the inner core of the shower faucet, the combination of the pre-tightening spring and the moving head is used to form a buffer space to relieve pressure and discharge the icy water flow, which solves the problem of the plastic inner core being squeezed at low temperatures and improves the stability and reliability of the product.
Patent Information
- Application Number
- CN202422258280.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-14
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-09-14
AI Technical Summary
When the plastic inner core of the existing shower faucet is frozen at low temperature, the volume expands and causes the inner core to be squeezed, causing the problem of water leakage failure.
An anti-freeze faucet inner core is designed, and an anti-freeze plug structure including a fixed head, a moving head and a pre-tightening spring. Through the compression of the pre-tightening spring and the sliding of the moving head, a buffer space is formed to relieve pressure and discharge the icy water flow to prevent the inner core from being squeezed.
It effectively avoids the damage to the inner core by volume expansion when water freezes, improves the stability and reliability of the faucet inner core, and reduces the impact of water flow on the inner wall.
Smart Images
Figure CN223035789U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of shower faucets, and particularly to an anti-freezing faucet inner core. Background Art
[0002] The current shower faucets are usually assembled with a plastic inner core and a housing (such as the shower faucet disclosed in patent CN117967840A). Compared with the method of using all-metal materials, it has better economy. However, the strength of the plastic inner core is relatively low. When the water chamber is sealed, the volume expansion of the frozen water is likely to crack the plastic inner core, resulting in water leakage and failure of the inner core.
[0003] In view of this, the inventor of the present invention has conducted in-depth research on the above-mentioned defects in the prior art, and thus this case has been created. Summary of the Utility Model
[0004] The main purpose of the utility model is to provide an anti-freezing faucet inner core, which has the advantage of having a release buffer space to avoid the inner core being cracked by frozen water.
[0005] In order to achieve the above object, the solution of the utility model is:
[0006] An anti-freezing faucet inner core, which includes a faucet inner core and an anti-freezing plug. The faucet inner core is formed with a water passage, and the water passage is formed with an installation opening. The anti-freezing plug is inserted into the installation opening. The anti-freezing plug includes a fixed head, a moving head and a pre-tightening spring. The pre-tightening spring is pre-tightly installed between the fixed head and the moving head, and both ends of the pre-tightening spring respectively abut against the fixed head and the moving head. The fixed head is fixedly connected to the installation opening. The installation opening is formed with a release inclined surface, and the moving head is slidably installed on the release inclined surface.
[0007] Further, a sealing ring is installed on the moving head, and the sealing ring seals between the moving head and the release inclined surface.
[0008] Further, a first slot is formed on the fixed head, and a second slot is formed on the moving head. Both ends of the pre-tightening spring are respectively inserted into the first slot and the second slot.
[0009] Further, a limiting step is formed in the water passage, and the moving head abuts against the limiting step.
[0010] Further, a plurality of drainage grooves are formed on the release inclined surface.
[0011] Further, a drainage hole is formed on the fixed head.
[0012] Further, a tooling hole is formed at one end of the fixed head, and the tooling hole is an internal hexagonal hole.
[0013] Furthermore, a first clamping block is formed on the outer wall of the fixed head, and a second clamping block is formed on the inner wall of the mounting opening. The first clamping block and the second clamping block are clamped and fixed.
[0014] Furthermore, a drainage channel is formed between the outer wall of the fixed head and the inner wall of the mounting opening.
[0015] After adopting the above structure, an anti-freezing faucet inner core involved in the present utility model has at least the following beneficial effects:
[0016] First, when in the normal water passing state, the moving head remains stationary under the action of the pre-tightening spring. When the water flow in the water passing channel freezes at low temperature, the volume of the ice expands, the pre-tightening spring is further compressed under force, the moving head moves towards the fixed head, the gap between the moving head and the release inclined surface increases, and finally the pressurized water is discharged from the gap between the release inclined surface and the moving head. After the pressure relief is completed, the moving head resets under the action of the pre-tightening spring. In this way, it can be avoided that the volume expansion of the frozen water cracks the faucet inner core.
[0017] Second, through the buffering of the moving head and the pre-tightening spring, the impact of the water hammer effect of the water flow on the inner wall of the water passing channel can be reduced, and the reliability of the faucet inner core is improved.
[0018] Third, the sealing ring is sealed between the moving head and the release inclined surface. In this way, as the moving head moves towards the fixed head, the gap between the moving head and the release inclined surface increases, the compression amount of the sealing ring becomes smaller, and the backward space makes up for the expansion space of the residual water frozen in the water passing channel. When the backward space reaches the limit, the water flow is discharged from the sealing ring.
[0019] Compared with the prior art, through an anti-freezing faucet inner core of the present utility model, by squeezing the moving head, the gap between the moving head and the release inclined surface can be increased, the frozen water flow can be depressurized, the faucet inner core can be prevented from being cracked by the frozen water, and the stability of the product is improved. Description of the Drawings
[0020] Figure 1 It is a cross-sectional view of an anti-freezing faucet inner core involved in the present utility model.
[0021] Figure 2 It is a partial cross-sectional view of an anti-freezing faucet inner core involved in the present utility model.
[0022] Figure 3 It is a three-dimensional view of an anti-freezing faucet inner core involved in the present utility model.
[0023] Figure 4 It is a partial cross-sectional view of the faucet inner core in the present utility model.
[0024] Figure 5 The present utility model relates to an exploded view of an anti-freezing faucet inner core.
[0025] In the figure:
[0026] The faucet inner core 1, the anti-freezing plug 2,
[0027] The water passage 11, the installation port 12, the release inclined surface 13,
[0028] The limiting step 14, the drainage groove 15, the second clamping block 16, the drainage channel 17,
[0029] The fixed head 21, the moving head 22, the pre-tightening spring 23, the sealing ring 24,
[0030] The first slot 25, the second slot 26, the drainage hole 27, the tooling hole 28,
[0031] The first clamping block 29. Specific embodiments
[0032] In order to further explain the technical solution of the present utility model, the present utility model will be elaborated in detail below through specific embodiments.
[0033] As Figures 1 to 5 shown, it is an anti-freezing faucet inner core related to the present utility model, including a faucet inner core 1 and an anti-freezing plug 2. The faucet inner core 1 is formed with a water passage 11, and the water passage 11 is formed with an installation port 12. The anti-freezing plug 2 is inserted into the installation port 12. The anti-freezing plug 2 includes a fixed head 21, a moving head 22 and a pre-tightening spring 23. The pre-tightening spring 23 is pre-tightly installed between the fixed head 21 and the moving head 22, and both ends of the pre-tightening spring 23 respectively abut against the fixed head 21 and the moving head 22. The fixed head 21 is fixedly connected to the installation port 12. The installation port 12 is formed with a release inclined surface 13, and the moving head 22 is slidably installed on the release inclined surface 13. In the normal water passing state, the moving head 22 remains stationary under the action of the pre-tightening spring 23. When water freezes in the water passage 11 at low temperature, the volume of the ice expands, the pre-tightening spring 23 is further compressed by the force, the moving head 22 moves towards the fixed head 21, the gap between the moving head 22 and the release inclined surface 13 increases, and finally the pressure water is discharged from the gap between the release inclined surface 13 and the moving head 22. After the pressure relief is completed, the moving head 22 resets under the action of the pre-tightening spring 23. In this way, it is possible to avoid the volume expansion of the water when it freezes and crack the faucet inner core 1. Through the buffering of the moving head 22 and the pre-tightening spring 23, the impact of the water hammer effect of the water flow on the inner wall of the water passage 11 can also be reduced, and the reliability of the faucet inner core 1 is improved.
[0034] Preferably, a sealing ring 24 is installed on the moving head 22, and the sealing ring 24 is sealed between the moving head 22 and the release inclined surface 13. The sealing ring 24 is sealed between the moving head 22 and the release inclined surface 13. In this way, as the moving head 22 moves towards the fixed head 21, the gap between the moving head 22 and the release inclined surface 13 increases, the compression amount of the sealing ring 24 becomes smaller, and the backward space compensates for the expansion space of the residual water frozen in the water passage 11. When the backward space reaches the limit, the water flows out from the sealing ring 24.
[0035] Preferably, as Figure 2 shown, a first slot 25 is formed on the fixed head 21, and a second slot 26 is formed on the moving head 22. Two ends of the pre-tightening spring 23 are respectively inserted into the first slot 25 and the second slot 26. In this way, the pre-tightening spring 23 can be installed more stably.
[0036] Preferably, the water passage 11 is formed with a limiting step 14, and the moving head 22 abuts against the limiting step 14. Under normal water pressure conditions, the moving head 22 abuts against the limiting step 14. When the water freezes and expands in volume or the pressure is too high, the moving head 22 is pushed open and disengaged from the abutment against the limiting step 14.
[0037] Preferably, a plurality of drain grooves 15 are formed on the release inclined surface 13, and a drain hole 27 is formed on the fixed head 21. When relieving pressure, the water flows out from the drain grooves 15 and then is discharged to the outside of the faucet inner core 1 through the drain hole 27.
[0038] Preferably, a tooling hole 28 is formed at one end of the fixed head 21, and the tooling hole 28 is an internal hexagonal hole. A first clamping block 29 is formed on the outer wall of the fixed head 21, and a second clamping block 16 is formed on the inner wall of the mounting port 12. The first clamping block 29 and the second clamping block 16 are clamped and fixed. In this way, during installation, a hexagonal wrench can be inserted into the internal hexagonal hole to rotate the fixed head 21, so that the first clamping block 29 and the second clamping block 16 are clamped.
[0039] Preferably, a drain channel 17 is formed between the outer wall of the fixed head 21 and the inner wall of the mounting port 12. In this way, when the moving head 22 moves towards the fixed head 21 to the limit, the moving head 22 and the fixed head 21 abut against each other, and at this time, the water flow can be discharged from the drain channel 17.
[0040] Compared with the prior art, the utility model adopts an anti-freezing faucet inner core. By squeezing the moving head 22, the gap between the moving head 22 and the release inclined surface 13 can be increased, so as to relieve the pressure of the frozen water flow, avoid the faucet inner core 1 being cracked by the frozen water, and improve the stability of the product.
[0041] The above embodiments and drawings do not limit the product form and style of the utility model. Any appropriate changes or modifications made by those of ordinary skill in the art shall be regarded as not departing from the patent scope of the utility model.
Claims
1. An antifreeze faucet inner core, characterized in that: It includes a faucet inner core and an antifreeze plug, the faucet inner core is formed with a water passage, the water passage is formed with a mounting port, and the antifreeze plug is inserted in the mounting port; the antifreeze plug includes a fixed head, a movable head and a pre-tightening spring, the pre-tightening spring is pre-tightened and installed between the fixed head and the movable head, and the two ends of the pre-tightening spring are respectively pressed against the fixed head and the movable head; the fixed head is fixedly connected to the mounting port; the mounting port is formed with a release inclined surface, and the movable head can be slidably installed on the release inclined surface.
2. The antifreeze faucet inner core according to claim 1, characterized in that: A sealing ring is installed on the moving head, and the sealing ring seals between the moving head and the release slope.
3. The antifreeze faucet inner core according to claim 1, characterized in that: The fixed head is formed with a first slot, the movable head is formed with a second slot, and two ends of the preload spring are respectively inserted into the first slot and the second slot.
4. The antifreeze faucet inner core according to claim 1, characterized in that: The water passage forms a limiting step, and the moving head abuts against the limiting step.
5. The antifreeze faucet inner core according to claim 1, characterized in that: A plurality of drainage grooves are formed on the release slope.
6. The antifreeze faucet inner core according to claim 1, characterized in that: A drainage hole is formed on the fixing head.
7. The antifreeze faucet inner core according to claim 1, characterized in that: A tooling hole is formed at one end of the fixing head, and the tooling hole is a hexagonal hole.
8. The antifreeze faucet inner core according to claim 1, characterized in that: A first clamping block is formed on the outer wall of the fixing head, and a second clamping block is formed on the inner wall of the mounting opening. The first clamping block and the second clamping block are clamped and fixed.
9. The antifreeze faucet inner core according to claim 1, characterized in that: A drainage channel is formed between the outer wall of the fixing head and the inner wall of the installation opening.