CN211059421U - Water heater safety valve and pressure relief mechanism thereof - Google Patents
Water heater safety valve and pressure relief mechanism thereof Download PDFInfo
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- CN211059421U CN211059421U CN201921331884.3U CN201921331884U CN211059421U CN 211059421 U CN211059421 U CN 211059421U CN 201921331884 U CN201921331884 U CN 201921331884U CN 211059421 U CN211059421 U CN 211059421U
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- pressure relief
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Abstract
The utility model discloses a water heater safety valve and a pressure relief mechanism thereof, wherein the water heater safety valve comprises a valve body and a pressure relief valve core part, and the valve body is provided with a cavity and a mounting hole communicated with the cavity; the pressure relief valve is characterized by further comprising an installation seat, a pressure relief channel is arranged in the installation seat, a port of the pressure relief channel forms a pressure relief opening, the pressure relief valve core part is connected to the installation seat, and the pressure relief valve core part is matched with the pressure relief opening to realize pressure relief; the mounting seat is fixedly arranged in the mounting hole in a sealing mode, and the pressure relief hole in the fixedly arranged mounting seat is communicated with the cavity, so that the safety valve can relieve pressure through the pressure relief hole. It has the following advantages: realize the modularization production, easy to assemble.
Description
Technical Field
The utility model relates to a valve gear for bathroom technical field especially relates to a water heater relief valve and pressure release mechanism thereof.
Background
The existing safety valve for the water heater, such as CN203892650U, comprises a safety valve body, an external leakage sealing O-shaped ring, a pull rod, a spring, a pressure regulating cap, a sealing seat, a pull rod sealing ring, a gasket, a rivet and a handle, wherein an annular concave ring is arranged on the pull rod, an inclined plane is arranged on the safety valve body, the external leakage sealing O-shaped ring is sleeved in the annular concave ring, the spring and the pressure regulating cap are sleeved on the pull rod, the pressure regulating cap is in threaded connection with the safety valve body, and the external leakage sealing O-shaped ring is in pressing contact with the inclined plane. It has the following disadvantages: first, assembly is inconvenient; secondly, if the pressure relief pressure needs to be adjusted after the valve body is installed, the pressure adjusting cap needs to be rotated on the valve body to achieve adjustment, and adjustment is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model provides a water heater relief valve and pressure release mechanism thereof, it has overcome the not enough that water heater relief valve exists in the background art.
The utility model provides one of the technical scheme who adopts of its technical problem is:
a safety valve of a water heater comprises a valve body and a pressure relief valve core part, wherein the valve body is provided with a cavity and a mounting hole communicated with the cavity; the pressure relief valve is characterized by further comprising an installation seat, a pressure relief channel is arranged in the installation seat, a port of the pressure relief channel forms a pressure relief opening, the pressure relief valve core part is connected to the installation seat, and the pressure relief valve core part is matched with the pressure relief opening to realize pressure relief; the mounting seat is fixedly arranged in the mounting hole in a sealing mode, and the pressure relief hole in the fixedly arranged mounting seat is communicated with the cavity, so that the safety valve can relieve pressure through the pressure relief hole.
In one embodiment: the pressure relief valve core part includes moving part, sealing part, pressure regulating cap and elastomer, pressure relief passageway front end mouth constitutes foretell pressure relief mouth, the moving part can be connected at the mount pad around the activity, the sealing part dress connects at the moving part, the pressure regulating cap dress connects at the mount pad rear end and can adjust by the mount pad relatively, the elastomer is connected between moving part and pressure regulating cap, the elastomer top supports the moving part and makes the sealing part seal pressure relief mouth, and can pass through the pressure regulating cap adjusts the elastomer pretightning force.
In one embodiment: the pressure regulating cap is provided with an external thread, the rear end part of the pressure relief channel is provided with an internal thread, and the pressure regulating cap is in threaded connection with the pressure relief channel.
In one embodiment: a convex shoulder is arranged in the moving part, and the elastic body is sleeved with the moving part and abuts against the position between the convex shoulder and the pressure regulating cap.
In one embodiment: the sealing part and the pressure relief opening are sealed in an end face sealing mode.
In one embodiment: the front end opening of the pressure relief channel is provided with a necking, a backward step surface is formed through the necking, the necking forms the pressure relief opening, and the sealing part is matched with the step surface to realize sealing.
In one embodiment: the sealing part and the pressure relief opening are sealed in an inclined plane sealing mode.
In one embodiment: the step surface comprises a conical surface with a big front and a small back.
In one embodiment: the rear end of the movable piece can movably penetrate through the pressure regulating cap in the front-back direction, the rear end of the movable piece is further rotatably connected with a handle, the handle is further abutted against the rear end face of the pressure regulating cap, and the movable piece can be controlled to move in the front-back direction through the rotation of the handle and the elastic action of the elastic piece.
In one embodiment: the periphery of the mounting seat is provided with a sealing ring, and the mounting seat and the mounting opening can be sealed through the sealing ring.
In one embodiment: and an elastic buckle is additionally arranged and is connected with the mounting seat and the mounting port through the elastic buckle.
In one embodiment: the mounting seat is provided with a front section part and a rear section part, and a first forward step surface is formed between the front section part and the rear section surface; the mounting opening is provided with a front section hole and a rear section hole, and a second backward step surface is formed between the front section hole and the rear section hole; the front section part is matched with the front section hole, and the rear section part is at least partially positioned in the rear section hole.
In one embodiment: the mounting hole is also provided with a water drainage channel, the water drainage channel and the mounting hole are arranged in an intersecting manner, the mounting seat is provided with a through channel penetrating through the pressure relief channel, and the pressure relief channel and the water drainage channel are communicated through the through channel.
In one embodiment: the mounting seat is provided with a front section part and a rear section part, and a first forward step surface is formed between the front section part and the rear section surface; the mounting opening is provided with a front section hole and a rear section hole, and a second backward step surface is formed between the front section hole and the rear section hole; the front section part is matched with the front section hole, the rear section part is at least partially positioned in the rear section hole, and a gap is reserved between the inner wall of the rear section hole and the rear section part; the mounting hole is provided with a rear section hole, the rear section hole is provided with a water drainage channel, the water drainage channel and the rear section hole are arranged in an intersecting manner, the mounting seat is provided with a through channel which penetrates through the pressure relief channel, and the pressure relief channel and the water drainage channel are communicated through the through channel and the gap.
The utility model provides a second of the technical scheme of its technical problem's adoption:
a pressure relief mechanism of a safety valve of a water heater comprises a pressure relief valve core part, wherein the pressure relief valve core part comprises a movable piece, a sealing part, a pressure regulating cap and an elastic body, and the sealing part is connected to the movable piece in an attaching mode; the pressure regulating device is characterized by further comprising a mounting seat, wherein a pressure relief channel is arranged in the mounting seat, a pressure relief opening is formed at the front end of the pressure relief channel, and the pressure regulating cap is connected to the rear end of the mounting seat and can be regulated relative to the mounting seat; the moving part can be connected at the mount pad around the activity, the elastomer is connected between moving part and pressure regulating cap, the elastomer top supports the moving part and makes the sealed partial sealed pressure release mouth, and can pass through the pressure regulating cap adjusts the elastomer pretightning force.
Compared with the background technology, the technical scheme has the following advantages:
still include the mount pad, be equipped with the pressure release passageway in the mount pad, the port of pressure release passageway constitutes the pressure release mouth, and pressure release valve core part partial shipment connects at the mount pad, and the mount pad is sealed adorned admittedly in the mount pad, is in the pressure release mouth and the die cavity switch-on of the mount pad of adorning admittedly to make the relief valve can pass through the pressure release mouth pressure release, can pack pressure release mechanism into the mount pad after constituting pressure release mechanism with pressure release valve core part partial shipment again in, can realize the modularization production, easy to assemble.
The assembly of the adjusting cap and the valve seat can be completed outside the valve body, automatic installation can be realized, the action of adjusting the pretightening force of the elastic body through the pressure adjusting cap can be completed outside the valve body, and the adjustment is convenient.
The front section part is matched with the front section hole, and the rear section part is at least partially positioned in the rear section hole, so that the assembly is convenient.
Drawings
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
FIG. 1 is a perspective view of a safety valve of a water heater according to one embodiment.
Fig. 2 is a second perspective view of the safety valve of the water heater according to the first embodiment.
Fig. 3 is a schematic perspective exploded view of a safety valve of a water heater according to an embodiment.
Fig. 4 is a perspective view of a mounting seat of a safety valve of a water heater according to an embodiment.
Fig. 5 is a perspective view of a pressure regulating cap of the safety valve of the water heater according to the embodiment.
FIG. 6 is a schematic structural diagram of a pressure relief mechanism of a safety valve of a water heater according to an embodiment.
FIG. 7 is a schematic cross-sectional view of a pressure relief mechanism of a safety valve of a water heater according to an embodiment.
Fig. 8 is a schematic cross-sectional view of the safety valve of the water heater according to the embodiment, wherein the safety valve is in a closed state.
Fig. 9 is a schematic sectional view of a safety valve of a water heater according to an embodiment, wherein the safety valve is in an automatic opening state.
Fig. 10 is a schematic cross-sectional view of a safety valve of a water heater according to an embodiment, wherein the safety valve is in a manually opened state.
FIG. 11 is a schematic sectional view of a pressure relief mechanism of a safety valve of a water heater according to an embodiment.
Detailed Description
Example one
Referring to fig. 1 to 10, the safety valve for a water heater includes a valve body 1, a relief valve core portion 2 and a mounting seat 3, the relief mechanism of the safety valve for a water heater includes the relief valve core portion 2 and the mounting seat 3, and the valve body 1 is made of copper material.
The valve body 1 is provided with a cavity 11 and a mounting port 12 communicated with the cavity 11, wherein the cavity 11 is a water passage as shown in the figure so that water can flow from bottom to top (the arrow in the figure shows the flow direction of the water). The mounting opening 12 has a front-stage hole 121 and a rear-stage hole 122, and the aperture of the front-stage hole 121 is smaller than that of the rear-stage hole 122, so that a second step surface facing backward is formed between the front-stage hole 121 and the rear-stage hole 122. The rear-section hole 122 of the mounting port 12 is also provided with a water drainage channel 13 penetrating through the inside and the outside of the mounting port 12, and the water drainage channel 13 and the mounting port 12 are vertically crossed.
A pressure relief channel 31 is arranged in the mounting seat 3, a front port of the pressure relief channel 31 forms a pressure relief opening 311, a front port of the pressure relief channel 31 is provided with a necking, and the necking forms the pressure relief opening 311; a backward step surface is formed through the necking, and the step surface comprises a conical surface with a large front part and a small back part. The mounting seat 3 is provided with a through channel 32 penetrating through the pressure relief channel 31, for example, the middle of the mounting seat 3 is provided with a plurality of through channels 32 arranged at intervals in the circumferential direction and penetrating inside and outside. The mounting seat 3 has a front section 33 and a rear section 34, the outer diameter of the front section 33 is smaller than that of the rear section 34, and a first forward step surface is formed between the front section 33 and the rear section 34.
The pressure relief valve core part 2 comprises a movable piece 21, a sealing part 22, a pressure regulating cap 23 and an elastic body 24, the movable piece 21 can be movably connected in a pressure relief channel 31 of the mounting seat 3 front and back, the sealing part 22 is connected to the movable piece 21, the pressure regulating cap 23 is connected to the rear end of the mounting seat 3 and can be adjusted relative to the mounting seat 3, the elastic body 24 is connected between the movable piece 21 and the pressure regulating cap 23, and the elastic body 24 abuts against the movable piece 21 to enable the sealing part 22 to seal a pressure relief opening 311 and can adjust the pretightening force of the elastic body 24 through the pressure regulating cap 23. The rear end of the movable piece 21 can movably penetrate through the pressure regulating cap 23 in a front-back mode, the rear end of the movable piece 21 is further rotatably connected with a handle 25, the handle 25 is further abutted to the rear end face of the pressure regulating cap 23, the movable piece 21 can be controlled to move in the front-back mode through rotation of the handle 25 and the elastic action of the elastic piece 24, and therefore a user can open the safety valve manually through rotation of the handle 25, and manual pressure relief is achieved. In this embodiment: a convex shoulder 211 is arranged in the movable piece 21, and the elastic body 24 is sleeved with the movable piece 21 and is propped between the convex shoulder 211 and the pressure regulating cap 23; the sealing part 22 is a gasket, the gasket is sleeved outside the movable piece 21, the back of the gasket abuts against the front end face of the convex shoulder 211, and the front of the gasket abuts against a step face to realize end face sealing, namely, the pressure relief opening 311 and the sealing part 22 are sealed in an end face sealing mode, and the step face is provided with a conical surface, so that the sealing effect can be improved; the pressure regulating cap 23 is provided with an external thread, an internal thread is arranged at the rear end of the pressure relief channel 31, the pressure regulating cap 23 is in threaded connection with the pressure relief channel 31, the pretightening force of the elastomer can be adjusted through rotation of the pressure regulating cap 23, and the pressure relief pressure can be adjusted.
The mounting seat 3 is fixedly mounted in the mounting opening 12 in a sealing manner, and the pressure relief opening 311 of the fixedly mounted mounting seat 3 is communicated with the cavity 11, so that the safety valve can relieve pressure through the pressure relief opening 311. The front section 33 of the mounting seat 3 is matched with the front section hole 121 of the mounting opening 12, the rear section 34 is located in the rear section hole 122, a gap is left between the inner wall of the rear section hole 122 and the rear section 34, and the pressure relief channel 31 and the drainage channel 13 are communicated through the through channel 32 and the gap to drain water, as shown in fig. 9 and 10; 3 anterior segment portion peripheries of mount pad are equipped with sealing washer 35, can seal mount pad 3 and installing port 12 through sealing washer 35, mount pad 3, sealing washer 35 and installing port 12 tight fit. According to the needs, set up elasticity buckle 36 in addition, connect mount pad 3 and installing port 12 through elasticity buckle 36, the concrete structure is: the elastic buckle 36 is a C-shaped buckle, a matching groove 123 is concavely arranged in the rear section hole 122 of the mounting opening 12, the C-shaped buckle is sleeved outside the movable piece 21 and is arranged in the matching groove 123, and the C-shaped buckle abuts against the back surface of the pressure regulating cap 23 to prevent the pressure relief mechanism from being pulled out. The mounting base 3 is made of plastic, and the plastic part cannot be corroded under the action of water, so that the phenomenon that the matching part of the interior of the mounting base 3 and the sealing part 22 is corroded due to long-term contact with water is avoided, and the water leakage phenomenon is avoided. When the sealing part 22 is installed, the sealing part is firstly installed on the movable piece 21 and then is inserted into the installation seat 3; then the elastic body 24 and the pressure regulating cap 23 are sequentially arranged, thus completing the installation of the pressure relief mechanism; the pressure regulating cap can adjust the pretightening force of the elastic body by rotating, so that the pressure relief pressure is adjusted, and the installed pressure relief mechanism can be tested and regulated according to the requirements of different customers; and finally, the tested pressure relief mechanism is plugged into the mounting port, and the pressure relief mechanism is sealed and fixed in the valve body through the C-shaped buckle, so that the sealing and fixing effects are achieved, and the function of easy disassembly is met. Wherein: 1. the early assembly between the valve core part and the mounting seat can meet the requirement that the pressure relief mechanism is assembled after the pressure is adjusted outside the valve body, so that the automatic assembly of the pressure relief mechanism is realized, and the assembly production efficiency is improved; 2. the modularized pressure relief mechanism is used for realizing the shipment, and the mounting seat, the movable part, the elastic body and the pressure regulating cap can be assembled in advance; 3. traditional relief valve sealing element is copper spare and silica gel or the sealed cooperation of rubber spare, and the copper spare can corrode for a long time with water contact, has the risk of leaking, and this embodiment adopts working of plastics and silica gel or the cooperation of rubber spare sealed, because the working of plastics can not corroded by water, avoids shining into the corruption and has the risk of leaking with water contact.
The safety valve of the water heater in the embodiment: 1. the water flow flows in from the lower end of the valve body 1, passes through the cavity 11 of the valve body 1, flows out from the upper end of the valve body 1 and enters the water heater, and under the action of the elastic body 24, the sealing part 22 seals the pressure relief opening 311 under normal pressure to be in a closed state; 2. the water flow flows in from the lower end of the valve body 1, passes through the cavity 11 of the valve body 1, when the water pressure in the cavity 11 is greater than the elastic force of the elastic body 24, the moving part 21 is pushed backwards, the sealing part 22 is separated from the pressure relief opening 311, the water flow is discharged through the pressure relief opening 311, the pressure relief channel 31, the through channel 32, the gap and the drainage channel 13, the pressure relief effect is achieved, the water pressure of the inner container of the water heater is prevented from being too high, the water heater is protected, and the automatic opening state is achieved; 3. rivers flow in from 1 lower extreme of valve body, through 1 die cavity 11 of valve body, when pulling open the handle, drive moving part 21 backward activity, and the relief valve is in open mode this moment, and rivers and impurity are discharged through pressure release mouth 311, pressure release channel 31, through passageway 32, clearance, drainage way 13, play manual pressure release and arrange miscellaneous effect, for artificial open mode.
Example two
Please refer to fig. 11, which is different from the first embodiment in that: the inner wall of the front end necking of the pressure relief channel 31 of the mounting seat 3 is designed into a conical surface 314, the front end part of the movable piece 21 is concavely provided with an annular groove 212, the sealing part 22 is a sealing ring, the sealing part 22 is connected in the annular groove 212, sealing is realized through the matching of the sealing ring and the conical surface 314, and the sealing part and the pressure relief opening form an inclined surface sealing mode.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.
Claims (15)
1. A safety valve of a water heater comprises a valve body and a pressure relief valve core part, wherein the valve body is provided with a cavity and a mounting hole communicated with the cavity; the method is characterized in that: the pressure relief valve is characterized by further comprising an installation seat, a pressure relief channel is arranged in the installation seat, a port of the pressure relief channel forms a pressure relief opening, the pressure relief valve core part is connected to the installation seat, and the pressure relief valve core part is matched with the pressure relief opening to realize pressure relief; the mounting seat is fixedly arranged in the mounting hole in a sealing mode, and the pressure relief hole in the fixedly arranged mounting seat is communicated with the cavity, so that the safety valve can relieve pressure through the pressure relief hole.
2. A water heater safety valve as claimed in claim 1, wherein: the pressure relief valve core part includes moving part, sealing part, pressure regulating cap and elastomer, pressure relief passageway front end mouth constitutes foretell pressure relief mouth, the moving part can be connected at the mount pad around the activity, the sealing part dress connects at the moving part, the pressure regulating cap dress connects at the mount pad rear end and can adjust by the mount pad relatively, the elastomer is connected between moving part and pressure regulating cap, the elastomer top supports the moving part and makes the sealing part seal pressure relief mouth, and can pass through the pressure regulating cap adjusts the elastomer pretightning force.
3. A water heater safety valve as claimed in claim 2, wherein: the pressure regulating cap is provided with an external thread, the rear end part of the pressure relief channel is provided with an internal thread, and the pressure regulating cap is in threaded connection with the pressure relief channel.
4. A water heater safety valve as claimed in claim 2, wherein: a convex shoulder is arranged in the moving part, and the elastic body is sleeved with the moving part and abuts against the position between the convex shoulder and the pressure regulating cap.
5. A water heater safety valve as claimed in claim 2, wherein: the sealing part and the pressure relief opening are sealed in an end face sealing mode.
6. A water heater safety valve as claimed in claim 2, wherein: the front end opening of the pressure relief channel is provided with a necking, a backward step surface is formed through the necking, the necking forms the pressure relief opening, and the sealing part is matched with the step surface to realize sealing.
7. A water heater safety valve as claimed in claim 6, wherein: the step surface comprises a conical surface with a big front and a small back.
8. A water heater safety valve as claimed in claim 2, wherein: the sealing part and the pressure relief opening are sealed in an inclined plane sealing mode.
9. A water heater safety valve as claimed in claim 2, wherein: the rear end of the movable piece can movably penetrate through the pressure regulating cap in the front-back direction, the rear end of the movable piece is further rotatably connected with a handle, the handle is further abutted against the rear end face of the pressure regulating cap, and the movable piece can be controlled to move in the front-back direction through the rotation of the handle and the elastic action of the elastic piece.
10. A water heater safety valve as claimed in any one of claims 1 to 9, wherein: the periphery of the mounting seat is provided with a sealing ring, and the mounting seat and the mounting opening can be sealed through the sealing ring.
11. A water heater safety valve as claimed in claim 10, wherein: and an elastic buckle is additionally arranged and is connected with the mounting seat and the mounting port through the elastic buckle.
12. A water heater safety valve as claimed in claim 10, wherein: the mounting seat is provided with a front section part and a rear section part, and a first forward step surface is formed between the front section part and the rear section surface; the mounting opening is provided with a front section hole and a rear section hole, and a second backward step surface is formed between the front section hole and the rear section hole; the front section part is matched with the front section hole, and the rear section part is at least partially positioned in the rear section hole.
13. A water heater safety valve as claimed in any one of claims 1 to 9, wherein: the mounting hole is also provided with a water drainage channel, the water drainage channel and the mounting hole are arranged in an intersecting manner, the mounting seat is provided with a through channel penetrating through the pressure relief channel, and the pressure relief channel and the water drainage channel are communicated through the through channel.
14. A water heater safety valve as claimed in any one of claims 1 to 9, wherein: the mounting seat is provided with a front section part and a rear section part, and a first forward step surface is formed between the front section part and the rear section surface; the mounting opening is provided with a front section hole and a rear section hole, and a second backward step surface is formed between the front section hole and the rear section hole; the front section part is matched with the front section hole, the rear section part is at least partially positioned in the rear section hole, and a gap is reserved between the inner wall of the rear section hole and the rear section part; the mounting hole is provided with a rear section hole, the rear section hole is provided with a water drainage channel, the water drainage channel and the rear section hole are arranged in an intersecting manner, the mounting seat is provided with a through channel which penetrates through the pressure relief channel, and the pressure relief channel and the water drainage channel are communicated through the through channel and the gap.
15. The utility model provides a pressure release mechanism of water heater relief valve, includes relief valve core part, relief valve core part includes moving part, sealing portion, pressure regulating cap and elastomer, the sealing portion dress connects at the moving part, its characterized in that: the pressure regulating device is characterized by further comprising a mounting seat, wherein a pressure relief channel is arranged in the mounting seat, a pressure relief opening is formed at the front end of the pressure relief channel, and the pressure regulating cap is connected to the rear end of the mounting seat and can be regulated relative to the mounting seat; the moving part can be connected at the mount pad around the activity, the elastomer is connected between moving part and pressure regulating cap, the elastomer top supports the moving part and makes the sealed partial sealed pressure release mouth, and can pass through the pressure regulating cap adjusts the elastomer pretightning force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921331884.3U CN211059421U (en) | 2019-08-16 | 2019-08-16 | Water heater safety valve and pressure relief mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921331884.3U CN211059421U (en) | 2019-08-16 | 2019-08-16 | Water heater safety valve and pressure relief mechanism thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211059421U true CN211059421U (en) | 2020-07-21 |
Family
ID=71588812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921331884.3U Active CN211059421U (en) | 2019-08-16 | 2019-08-16 | Water heater safety valve and pressure relief mechanism thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211059421U (en) |
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2019
- 2019-08-16 CN CN201921331884.3U patent/CN211059421U/en active Active
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