CN219914536U - Water flow sensor with pressure relief device - Google Patents
Water flow sensor with pressure relief device Download PDFInfo
- Publication number
- CN219914536U CN219914536U CN202321042803.4U CN202321042803U CN219914536U CN 219914536 U CN219914536 U CN 219914536U CN 202321042803 U CN202321042803 U CN 202321042803U CN 219914536 U CN219914536 U CN 219914536U
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- pressure relief
- water flow
- flow sensor
- plug
- hole
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 238000005485 electric heating Methods 0.000 claims abstract description 18
- 239000008236 heating water Substances 0.000 claims abstract description 16
- 230000002159 abnormal effect Effects 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 17
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 description 15
- 230000000694 effects Effects 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
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- Safety Valves (AREA)
Abstract
The utility model discloses a water flow sensor with a pressure relief device, which is applied to electric heating water supply equipment, and comprises a sensor body, wherein a mounting cavity is formed, and the mounting cavity is communicated with a liquid flow channel of the water flow sensor body through a pressure relief hole; the pressure relief device is detachably assembled in the mounting cavity and comprises a pressure relief plug capable of moving forwards and backwards in the direction facing the pressure relief hole and an elastic component for providing a pretightening force facing the pressure relief hole for the pressure relief plug; the front end face of the pressure relief plug is provided with a plugging head matched with the pressure relief hole in shape, and the pressure relief plug is provided with a plugging state in which the plugging head is kept in the pressure relief hole and a pressure relief state in which the plugging head is separated from the pressure relief hole, so that a pressure relief function is provided when the electric heating water supply equipment is abnormal or started by mistake and the internal pressure is overlarge. The technical scheme is that the pressure relief device can provide a pressure relief function when the electric heating water supply equipment is abnormal or started by mistake, and the plugging head is arranged in the pressure relief hole, so that the sealing performance is better under the normal state.
Description
Technical Field
The utility model relates to the technical field of water flow sensors, in particular to a water flow sensor with a pressure relief device.
Background
The water flow sensor is mainly applied to a water inlet component of the water supply equipment, and is mainly used for monitoring the water inlet state in real time and triggering the electric heating and other functions of the water supply equipment. With the development of technology, the existing electric heating water inlet equipment generally starts to adopt the functions of automatically controlling water inlet and water interruption, a valve is not required to be additionally opened by a user for water inlet, but a system for electrically controlling water inlet is suddenly abnormal or started by mistake, for example, under the condition of electromagnetic interference, the equipment starts to feed water and operates, the pressure can be increased by continuously injecting liquid flow into a water storage cavity, a machine body is pressurized, explosion can be possibly caused under serious conditions, and therefore, a pressure relief function is expected to be designed in a water flow sensor so as to avoid the technical problems, and meanwhile, the condition that the pressure relief function is not poor in sealing performance of the water flow sensor and water leakage is caused under the normal condition needs to be met.
Disclosure of Invention
Aiming at the problems in the prior art, the water flow sensor with the pressure relief device, which aims at providing the pressure relief function when the machine is started by mistake and has better sealing performance in the normal state, is provided for overcoming the technical defects.
The specific technical scheme is as follows:
the water flow sensor with the pressure relief device is applied to electric heating water supply equipment and comprises a sensor body, wherein an installation cavity for accommodating the pressure relief device is formed on the sensor body, and the installation cavity is communicated with a liquid flow channel of the water flow sensor body through a pressure relief hole;
the pressure relief device is detachably assembled in the mounting cavity and comprises a pressure relief plug capable of moving forwards and backwards in the direction facing the pressure relief hole and an elastic component for providing a pretightening force facing the pressure relief hole for the pressure relief plug;
the front end face of the pressure relief plug is provided with a plugging head matched with the pressure relief hole in shape, and the pressure relief plug is provided with a plugging state in which the plugging head is kept in the pressure relief hole and a pressure relief state in which the plugging head is separated from the pressure relief hole, so that a pressure relief function is provided when the electric heating water supply equipment is abnormal or started by mistake and the internal pressure is overlarge.
Preferably, an annular boss arranged around the pressure relief hole is formed on the inner bottom surface of the mounting cavity in a protruding mode, and in a blocking state, the upper end face of the annular boss abuts against the front end face of the pressure relief plug to jointly form an end face sealing structure, and the inner side wall of the annular hole of the annular boss abuts against the outer peripheral wall of the blocking head to jointly form a side face sealing structure.
Preferably, an annular inclined plane is formed on the periphery of the plugging head at a position adjacent to the front end face of the pressure relief plug, and an annular inclined plane matched with the annular inclined plane in shape is formed on the inner side wall of the annular hole of the annular boss.
Preferably, the pressure relief device further comprises a sealing cover and a fixing frame, wherein the sealing cover is provided with at least one liquid flow outlet and can be detachably assembled in the mounting cavity, the front end of the fixing frame is provided with a mounting groove for assembling the pressure relief plug, and two ends of the elastic component are respectively propped against the rear end face of the fixing frame and the front end face of the sealing cover, so that the pressure relief device can be detachably assembled in the mounting cavity and the pressure relief plug can be allowed to move in the front-back direction.
Preferably, the inner peripheral wall of the mounting cavity is provided with internal threads, and the outer peripheral wall of the sealing cover is provided with external threads matched with the internal threads, so that the pretightening force of the elastic member can be adjusted by adjusting the position of the sealing cover assembled in the mounting cavity.
Preferably, the elastic component is a spring, the rear end face of the fixing frame is also provided with a convex column for sleeving the spring, and the front end face of the sealing cover is provided with a groove for accommodating the spring.
Preferably, the pressure release plug is made of silica gel.
Preferably, the number of the liquid outlets is plural and penetrates through the communicating groove and the outside of the installation cavity, so that the water supply flows out in a pressure release state.
The beneficial effects of the technical scheme are that:
the water flow sensor with the pressure relief device comprises a sensor body and the pressure relief device, wherein the pressure relief device comprises a pressure relief plug and an elastic member, the front end of the pressure relief plug is provided with a blocking head and blocks a pressure relief hole, so that the pressure relief device can provide a pressure relief function when the electric heating water supply equipment is abnormal or is started by mistake, and the blocking head is configured in the pressure relief hole, so that the tightness is better under a normal state.
Drawings
FIG. 1 is a perspective view of a water flow sensor with a pressure relief device of the present utility model;
FIG. 2 is a side cross-sectional view of the water flow sensor with pressure relief device of the present utility model;
FIG. 3 is an enlarged view of a portion of section I of FIG. 2;
FIG. 4 is an exploded view of a water flow sensor with pressure relief device of the present utility model in partial cut-away;
fig. 5 is an exploded view of a pressure relief device in a water flow sensor with a pressure relief device according to the present utility model.
Detailed Description
In order to make the technical means, the creation features, the achievement of the purpose and the effect of the present utility model easy to understand, the present utility model is specifically described below with reference to the accompanying drawings. And for the pressure relief device, the direction from the cover to the plug is defined as the back-to-front direction.
Referring to fig. 1 to 5, the water flow sensor with pressure relief device provided in this embodiment is applied to an electric heating water supply device, and includes a sensor body 1, a mounting cavity 3 for accommodating the pressure relief device 2 is formed on the sensor body 1, and the mounting cavity 3 is communicated with a flow channel of the water flow sensor body 1 through a pressure relief hole 9;
the pressure release device 2 is detachably assembled in the installation cavity 3, the pressure release device 2 comprises a pressure release plug 4 capable of moving back and forth towards the direction of the pressure release hole 9, and an elastic component 6 used for providing pretightening force towards the direction of the pressure release hole 9 for the pressure release plug 4, the front end face of the pressure release plug 4 is provided with a blocking head 8 matched with the shape of the pressure release hole 9, the pressure release plug 4 is provided with a blocking state that the blocking head 8 is kept in the pressure release hole 9, and the pressure release state that the blocking head 8 is separated from the pressure release hole 9, so that a pressure release function is provided when the electric heating water supply equipment is abnormal or started by mistake and the internal pressure is overlarge.
In specific application, under the normal use state or the shutdown state of the electric heating water supply equipment, the blocking head 8 of the pressure release plug 4 is kept in the pressure release hole 9 under the action of the pretightening force of the elastic member 6 and is used as a blocking member, when the electric heating water supply equipment is abnormal or started by mistake, the internal pressure of the electric heating water supply equipment is suddenly increased to bear pressure of the machine body, the water flow flowing into the pressure release hole 9 under the action of the pressure pushes the blocking head 8 to be separated, the water flow can flow out of the electric heating water supply equipment through the pressure release device 2, so that the pressure release function is realized, and after the electric heating water supply equipment is recovered, the elastic member 6 extruded by the water flow is reset and pushes the blocking head 8 to be extruded into the pressure release hole 9 again, so that the blocking sealing effect is realized.
Based on the above technical scheme, take pressure relief device's water flow sensor includes sensor body 1 and pressure relief device 2, and pressure relief device 2 includes pressure relief plug 4, elastic component 6, and pressure relief plug 4 front end has shutoff head 8 and shutoff pressure release hole 9 for can provide the pressure release function by pressure relief device 2 when electric heat water supply equipment is unusual or the mistake starts, and shutoff head 8 disposes in pressure release hole 9, and the leakproofness is better under the normal condition.
In a preferred embodiment, as shown in fig. 3 to 5, an annular boss 10 arranged around the pressure release hole 9 is formed on the inner bottom surface of the installation cavity 3 in a protruding manner, and in the plugged state, the upper end surface of the annular boss 10 abuts against the front end surface of the pressure release plug 4 to jointly form an end surface sealing structure, and the inner side wall of the annular hole of the annular boss 10 abuts against the outer peripheral wall of the plug head 8 to jointly form a side surface sealing structure. Can effectively promote sealed effect.
As a further preferred embodiment, an annular inclined surface 12 is formed on the outer periphery of the blocking head 8 at a position adjacent to the front end surface of the pressure relief plug 4, and an annular inclined surface 11 matched with the annular inclined surface 12 in shape is formed on the inner side wall of the annular hole of the annular boss 10, so as to play a role in guiding and further enhancing the side sealing effect.
In a preferred embodiment, as shown in fig. 2, 3 and 4, the pressure relief device 2 further includes a cover 7 and a fixing frame 5, the cover 7 has at least one fluid outlet 16 and is detachably assembled in the installation cavity 3, the front end of the fixing frame 5 has an installation groove 13 for assembling the pressure relief plug 4, and two ends of the elastic member 6 respectively abut against the rear end face of the fixing frame 5 and the front end face of the cover 7, so as to detachably assemble the pressure relief device 2 in the installation cavity 3 and allow the pressure relief plug 4 to move in the front-rear direction. Further, the inner peripheral wall of the installation cavity 3 is provided with an internal thread, and the outer peripheral wall of the sealing cover 7 is provided with an external thread matched with the internal thread, so as to allow the pretightening force of the elastic member 6 to be adjusted by adjusting the position of the sealing cover 7 assembled in the installation cavity 3. The threaded connection may be implemented by other means, such as, but not limited to, a snap, etc.
As a further preferred embodiment, the elastic member 6 is a spring, the rear end surface of the fixing frame 5 is further provided with a protruding column 15 for sleeving the spring, and the front end surface of the cover 7 is provided with a groove 14 for accommodating the spring. Obviously, the elastic member 6 may be other members such as an elastic rubber column, and is not limited thereto.
As a further preferred embodiment, the pressure release plug 4 is made of a silicone material, and has a good sealing property. Meanwhile, the front end face of the pressure relief plug 4 can be further coated with the annular boss 10 in an annular convex edge mode, so that a better sealing effect is achieved. Further, the number of the liquid outlets 16 is plural and penetrates the groove 14 and the outside of the installation cavity 3 to flow out the water supply flow in the pressure release state.
In addition, the water flow sensor provided in this embodiment may be applied to an electric heating water supply device, such as a kitchen appliance, an electric heating faucet, etc., when an abnormality such as electromagnetic interference is generated or the water flow is started by mistake, the water flow is continuously and excessively injected into the internal water storage cavity to generate a problem of overlarge pressure on the machine body, and at this time, the blocking head 8 is pushed open by the water flow in the pressure release hole 9 to release pressure. The water flow sensor is generally assembled in the water inlet assembly, so that the problem of overlarge water pressure can be solved as early as possible, and the sealing function is ensured due to the end face sealing and side face sealing effects of the sealing plug 8 in normal use. The water flow sensor is a common component, so the basic mechanism and the function are omitted.
The foregoing description of the preferred embodiment of the utility model is merely illustrative of the utility model and is not intended to be limiting. It will be appreciated by persons skilled in the art that many variations, modifications, and even equivalents may be made thereto without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (8)
1. The utility model provides a take water flow sensor of pressure release device, is applied to in the electric heat water supply equipment, it includes sensor body (1), constitute on sensor body (1) and be used for holding installation cavity (3) of pressure release device (2), and be linked together through a pressure release hole (9) between the flow channel of water flow sensor body (1) and installation cavity (3); it is characterized in that the method comprises the steps of,
the pressure relief device (2) is detachably assembled in the mounting cavity (3), and the pressure relief device (2) comprises a pressure relief plug (4) capable of moving forwards and backwards in the direction facing the pressure relief hole (9) and an elastic component (6) for providing a pretightening force for the pressure relief plug (4) in the direction facing the pressure relief hole (9);
the front end face of the pressure relief plug (4) is provided with a plugging head (8) matched with the pressure relief hole (9) in shape, and the pressure relief plug (4) is provided with a plugging state that the plugging head (8) is kept in the pressure relief hole (9) and a pressure relief state that the plugging head (8) is separated from the pressure relief hole (9) so as to provide a pressure relief function when the internal pressure is overlarge due to abnormal or false starting of the electric heating water supply equipment.
2. The water flow sensor with the pressure relief device according to claim 1, characterized in that an annular boss (10) arranged around the pressure relief hole (9) is formed on the inner bottom surface of the installation cavity (3) in a protruding manner, and in the sealing state, the upper end surface of the annular boss (10) is abutted against the front end surface of the pressure relief plug (4) to jointly form an end surface sealing structure, and the inner side wall of the annular hole of the annular boss (10) is abutted against the peripheral wall of the sealing head (8) to jointly form a side surface sealing structure.
3. The water flow sensor with the pressure relief device according to claim 2, characterized in that an annular inclined surface (12) is further formed on the periphery of the plugging head (8) at a position adjacent to the front end surface of the pressure relief plug (4), and an annular slope surface (11) matched with the annular inclined surface (12) in shape is formed on the inner side wall of the annular hole of the annular boss (10).
4. The water flow sensor with the pressure relief device according to claim 1, characterized in that the pressure relief device (2) further comprises a sealing cover (7) and a fixing frame (5), wherein the sealing cover (7) is provided with at least one liquid flow outlet (16) and is detachably assembled in the installation cavity (3), the front end of the fixing frame (5) is provided with an installation groove (13) for assembling the pressure relief plug (4), and two ends of the elastic member (6) are respectively abutted against the rear end face of the fixing frame (5) and the front end face of the sealing cover (7) so as to detachably assemble the pressure relief device (2) in the installation cavity (3) and allow the pressure relief plug (4) to move in the front-back direction.
5. A water flow sensor with pressure relief device according to claim 4, characterized in that the mounting cavity (3) has an internal thread on its inner peripheral wall and the outer peripheral wall of the cover (7) has an external thread matching the internal thread for allowing the adjustment of the pre-tightening force of the elastic member (6) by adjusting the position of the cover (7) fitting inside the mounting cavity (3).
6. The water flow sensor with the pressure relief device according to claim 5, characterized in that the elastic component (6) is a spring, a convex column (15) for sleeving the spring is further arranged on the rear end face of the fixing frame (5), and a groove (14) for accommodating the spring is arranged on the front end face of the sealing cover (7).
7. The water flow sensor with pressure relief device according to claim 1, characterized in that the pressure relief plug (4) is made of a silicone material.
8. The water flow sensor with pressure relief device according to claim 6, characterized in that the number of the liquid flow outlets (16) is plural and extends through the outside of the recess (14) and the mounting cavity (3) for water flow out in the pressure relief state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321042803.4U CN219914536U (en) | 2023-04-28 | 2023-04-28 | Water flow sensor with pressure relief device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321042803.4U CN219914536U (en) | 2023-04-28 | 2023-04-28 | Water flow sensor with pressure relief device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219914536U true CN219914536U (en) | 2023-10-27 |
Family
ID=88466793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321042803.4U Active CN219914536U (en) | 2023-04-28 | 2023-04-28 | Water flow sensor with pressure relief device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219914536U (en) |
-
2023
- 2023-04-28 CN CN202321042803.4U patent/CN219914536U/en active Active
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