CN213017841U - Blowoff valve for electric water heater - Google Patents
Blowoff valve for electric water heater Download PDFInfo
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- CN213017841U CN213017841U CN202021905350.XU CN202021905350U CN213017841U CN 213017841 U CN213017841 U CN 213017841U CN 202021905350 U CN202021905350 U CN 202021905350U CN 213017841 U CN213017841 U CN 213017841U
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- valve
- water heater
- rod
- electric water
- blowoff
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Abstract
The utility model discloses a blowoff valve for electric water heater belongs to blowoff valve technical field, including valve body, disk seat, case, valve rod, valve handle and the fixed subassembly of magnesium stick, be equipped with into water interface, case chamber, play water interface in the valve body and with the communicating first valve rod passageway in case chamber, the valve body is with disk seat, case, valve rod, valve handle and the fixed subassembly of magnesium stick injection structure as an organic whole. The poor technical problem of leakproofness to each part connection among the prior art, the utility model provides a blowoff valve for electric water heater, it can be through the very big leakproofness and the stability that have improved each part connection of the mode of integrative moulding plastics.
Description
Technical Field
The utility model relates to a blowoff valve technical field, concretely relates to blowoff valve for electric water heater.
Background
At present, a heat storage type electric water heater becomes a household appliance commonly used in a household. Based on the comprehensive consideration of safety, energy conservation and environmental protection, the inner container of the electric water heater is provided with the anode bar (usually a magnesium bar) which is used for reducing the damage of corrosive ions in water to the metal layer of the inner container, thereby delaying the corrosion speed and strength of the metal layer of the inner container. However, scale is inevitably generated in the inner container.
The existing blowoff valve is low in overall connection strength, poor in sealing performance and incapable of ensuring stability in use.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
The poor technical problem of leakproofness to each part connection among the prior art, the utility model provides a blowoff valve for electric water heater, it can be through the very big leakproofness and the stability that have improved each part connection of the mode of integrative moulding plastics.
2. Technical scheme
In order to solve the above problem, the utility model provides a technical scheme does:
the utility model provides a blowoff valve for electric water heater, includes valve body, disk seat, case, valve rod, valve handle and magnesium stick fixed subassembly, be equipped with into water interface, case chamber, play water interface and with the communicating first valve rod passageway in case chamber in the valve body, valve body and disk seat, case, valve rod, valve handle and magnesium stick fixed subassembly injection moulding structure as an organic whole.
Optionally, a ball bag body is arranged in the valve core cavity, a ball bag cavity and a second valve rod channel are arranged in the ball bag body, the second valve rod channel is communicated with the first valve rod channel, two ends of the ball bag cavity are respectively communicated with the water inlet interface and the water outlet interface, and the valve seat and the valve core are both located in the ball bag cavity.
Optionally, the one end of ball inclusion can be dismantled and be connected with the valve cap, be equipped with the valve groove with valve cap matched with on the ball inclusion, the valve groove communicates with each other with ball package chamber, be equipped with water channel on the valve cap, the diameter in valve groove (not less than ball package chamber).
Optionally, at least one sealing groove is formed in the valve rod, the sealing groove is arranged along the circumferential direction of the valve rod, and a sealing element is arranged in the sealing groove.
Optionally, the valve stem comprises a first valve stem portion located within the first valve stem passage and a second valve stem portion located within the second valve stem passage, the second valve stem portion having a diameter greater than the diameter of the first valve stem portion.
Optionally, the magnesium rod fixing assembly comprises a water inlet connector and a magnesium rod support, the water inlet connector is fixedly connected with the valve body, one end of the magnesium rod support is in threaded connection with the water inlet connector, and the other end of the magnesium rod support is provided with a threaded hole connected with a magnesium rod.
Optionally, a sealing gasket is arranged between the water inlet joint and the magnesium rod bracket.
Optionally, an outer hexagonal part is arranged at the water outlet interface of the valve body.
Optionally, a valve handle seat is arranged on the valve body, a fan-shaped valve handle movable groove is arranged on the valve handle seat, and the valve handle is rotatably arranged in the valve handle movable groove.
Optionally, the valve body is made of PPR plastic.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
(1) this blowoff valve for electric water heater arranges back disk seat, case, valve rod, valve handle and the fixed subassembly of magnesium stick when the equipment through the mode direct forming valve body of integrative moulding plastics to make and obtain high leakproofness between valve body and above-mentioned each spare part, realize the seamless butt joint between each spare part, stability and leakproofness when guaranteeing the blowoff valve and using.
(2) The mode through integrative moulding plastics replaces manual assembly, great shortening the required assemble duration of blowoff valve, improved assembly efficiency.
Drawings
Fig. 1 is a schematic structural view of a blowoff valve for an electric water heater according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a blowoff valve for an electric water heater according to an embodiment of the present invention.
1. A valve body; 2. a valve seat; 3. a valve core; 4. a valve stem; 41. a sealing groove; 42. a first valve stem portion; 43. a second valve stem portion; 5. a valve handle; 6. a magnesium rod fixing component; 61. a water inlet joint; 62. a magnesium rod support; 621. a threaded hole; 7. a water inlet interface; 8. a spool cavity; 9. a water outlet interface; 10. a first valve stem passage; 11. a ball bag body; 111. a ball bag cavity; 112. a second stem passage; 113. a valve spool; 12. a bonnet; 121. a water passage; 13. a seal member; 14. a gasket; 15. an outer hex portion; 16. a valve handle seat; 161. a valve handle movable groove.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings 1-2.
With reference to fig. 1 and 2, the blowoff valve for the electric water heater of this embodiment includes valve body 1, disk seat 2, case 3, valve rod 4, valve handle 5 and magnesium stick fixed subassembly 6, be equipped with water inlet 7, case chamber 8, water outlet 9 and with the communicating first valve rod passageway 10 in case chamber 8 in the valve body 1, disk seat 2 sets up at the bilateral symmetry of case 3, case 3 and disk seat 2 normal running fit, valve rod 4 links firmly with case 3, valve body 1 and disk seat 2, case 3, valve rod 4, valve handle 5 and magnesium stick fixed subassembly 6 are the structure of moulding plastics as an organic whole.
When the blowoff valve for the electric water heater is assembled, the valve seat 2, the valve core 3, the valve rod 4, the valve handle 5 and the magnesium rod fixing component 6 are arranged and then directly molded into the valve body 1 in an integral injection molding mode, so that high sealing performance is obtained between the valve body 1 and each part, seamless butt joint between each part is realized, and the stability and the sealing performance of the blowoff valve during use are ensured; and manual assembly is replaced by an integrated injection molding mode, so that the assembly time required by the drain valve is greatly shortened, and the assembly efficiency is improved.
As an alternative of this embodiment, a ball bag body 11 is disposed in the valve core chamber 8, a ball bag chamber 111 and a second valve rod passage 112 are disposed in the ball bag body 11, the second valve rod passage 112 is communicated with the first valve rod passage 10, two ends of the ball bag chamber 111 are respectively communicated with the water inlet port 7 and the water outlet port 9, and the valve seat 2 and the valve core 3 are both located in the ball bag chamber 111.
This blowoff valve for electric water heater passes through the setting of ball inclusion 11 for disk seat 2 and case 3 can install earlier to ball inclusion 11 in the back, and the integrative mode of moulding plastics of rethread realizes being connected with valve body 1, helps guaranteeing that disk seat 2 and case 3 are fixed at the relative position after the shaping of valve body 1, thereby guarantees the leakproofness when case 3 opens and close.
As an alternative of this embodiment, one end of the bag body 11 is detachably connected with the valve cap 12, the valve groove 112 matched with the valve cap 12 is arranged on the bag body 11, the valve groove 112 is communicated with the bag cavity 111, the valve cap 12 is provided with the water passage 121, and the diameter of the valve groove 112 is not smaller than the diameter of the bag cavity 111.
When the valve seat 2 and the valve core 3 are mounted, the valve seat 2 and the valve core 3 may be mounted in the ball pocket cavity 111 through the valve groove 112, and then the bonnet 12 may be mounted to the valve groove 112 to prevent the valve seat 2 and the valve core 3 from falling off from the ball pocket cavity 111.
In the present embodiment, the valve slot 112 is disposed on a side close to the water outlet 9.
As an alternative of this embodiment, at least one sealing groove 41 is provided on the valve rod 4, the sealing groove 41 is provided along the circumferential direction of the valve rod 4, a sealing element 13 is provided in the sealing groove 41, and the sealing element 13 abuts against the inner wall of the valve body 1 to realize sealing.
In the present embodiment, three sealing grooves 41 are provided at intervals along the length direction of the valve rod 4, and the sealing member 13 is an O-ring having an inner edge embedded in the sealing groove 41; through the arrangement of the plurality of sealing pieces 13, the valve rod 4 and the first valve rod channel 10 have good sealing performance, and leakage can be effectively prevented; the sealing groove 41 can play a good limiting role in the sealing element 13, and the sealing element 13 is always positioned in the corresponding sealing groove 41 and cannot be separated when the valve rod 4 rotates in the first valve rod channel 10.
As an alternative to this embodiment, the valve rod 4 includes a first valve rod portion 42 and a second valve rod portion 43, the first valve rod portion 42 is located in the first valve rod channel 10, the second valve rod portion 43 is located in the second valve rod channel 112, and the diameter of the second valve rod portion 43 is larger than the diameter of the first valve rod portion 42.
Through the above structure design, the second valve rod part 43 can not pass through the second first valve rod channel 10, so that the valve handle 5 is firmly fixed on the valve body 1, and the stability of controlling the on-off of the blow-off valve for the electric water heater is greatly improved.
As an alternative of this embodiment, the magnesium rod fixing assembly 6 includes a water inlet connector 61 and a magnesium rod support 62, the water inlet connector 61 is fixedly connected with the valve body 1, one end of the magnesium rod support 62 is connected to the water inlet connector 61 through a thread, and the other end of the magnesium rod support 62 is provided with a threaded hole 621 connected to a magnesium rod.
By adopting the split structure design, the valve body 1 and the magnesium rod bracket 62 are simple to process and convenient to disassemble and assemble, the manufacturing cost is reduced, and the convenience in use is improved.
As an alternative of the embodiment, a sealing gasket 14 is arranged between the water inlet joint 61 and the magnesium rod bracket 62; the sealing gasket 14 helps to improve the sealing performance when the water inlet joint 61 and the magnesium rod bracket 62 are assembled, and the sealing gasket 14 is of an O-shaped structure arranged around the magnesium rod bracket 62.
As an alternative of the present embodiment, an external hexagonal part 15 is provided at the water outlet port 9 of the valve body 1; the outer hexagonal part 15 is beneficial to improving the torsion force when the water outlet connector 9 is connected with the water outlet connector, preventing the valve body 1 and the water outlet connector from rotating relatively when in installation, and improving the stability when in connection.
As an alternative to this embodiment, a valve handle base 16 is provided on the valve body 1, a fan-shaped valve handle moving groove 161 is provided on the valve handle base 16, and the valve handle 5 is rotatably provided in the valve handle moving groove 161.
In this embodiment, valve rod 4 and valve handle 5 integrated into one piece just are L shape structure, but valve handle 5 horizontal rotation installs in valve handle movable groove 161, through above-mentioned structural design for this blowoff valve's volume greatly reduced is convenient for realize built-in installation.
As an alternative of the present embodiment, the valve body 1 is made of PPR plastic; the valve body 1 made of PPR plastic has the advantages of low cost, difficult rusting, light weight and environmental protection
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (10)
1. A blowoff valve for an electric water heater is characterized in that: the valve comprises a valve body, a valve seat, a valve core, a valve rod, a valve handle and a magnesium rod fixing assembly, wherein a water inlet port, a valve core cavity, a water outlet port and a first valve rod channel communicated with the valve core cavity are arranged in the valve body, and the valve body, the valve seat, the valve core, the valve rod, the valve handle and the magnesium rod fixing assembly are of an integral injection molding structure.
2. The blowoff valve for an electric water heater of claim 1, wherein: the ball valve is characterized in that a ball bag body is arranged in the valve core cavity, a ball bag cavity and a second valve rod channel are arranged in the ball bag body, the second valve rod channel is communicated with the first valve rod channel, two ends of the ball bag cavity are respectively communicated with the water inlet interface and the water outlet interface, and the valve seat and the valve core are both located in the ball bag cavity.
3. The blowoff valve for an electric water heater of claim 2, wherein: the one end of ball inclusion can be dismantled and be connected with the valve cap, be equipped with the valve gate with valve cap matched with on the ball inclusion, the valve gate communicates with each other with ball package chamber, be equipped with water channel on the valve cap, the diameter in valve gate is not less than the diameter in ball package chamber.
4. The blowoff valve for an electric water heater of claim 1, wherein: the valve rod is provided with at least one sealing groove, the sealing groove is arranged along the circumferential direction of the valve rod, and a sealing element is arranged in the sealing groove.
5. The blowoff valve for an electric water heater of claim 2, wherein: the valve stem includes a first valve stem portion positioned within the first valve stem passage and a second valve stem portion positioned within the second valve stem passage, the second valve stem portion having a diameter greater than the diameter of the first valve stem portion.
6. The blowoff valve for an electric water heater of claim 1, wherein: the magnesium rod fixing assembly comprises a water inlet connector and a magnesium rod support, the water inlet connector is fixedly connected with the valve body, one end of the magnesium rod support is in threaded connection with the water inlet connector, and the other end of the magnesium rod support is provided with a threaded hole connected with a magnesium rod.
7. The blowoff valve for an electric water heater of claim 6, wherein: and a sealing gasket is arranged between the water inlet joint and the magnesium rod bracket.
8. The blowoff valve for an electric water heater of claim 1, wherein: and an outer hexagonal part is arranged at the water outlet interface of the valve body.
9. A waste valve for an electric water heater according to any one of claims 1-8, characterized in that: the valve body is provided with a valve handle seat, the valve handle seat is provided with a fan-shaped valve handle movable groove, and the valve handle is rotatably arranged in the valve handle movable groove.
10. A waste valve for an electric water heater according to any one of claims 1-8, characterized in that: the valve body is made of PPR plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021905350.XU CN213017841U (en) | 2020-09-03 | 2020-09-03 | Blowoff valve for electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021905350.XU CN213017841U (en) | 2020-09-03 | 2020-09-03 | Blowoff valve for electric water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213017841U true CN213017841U (en) | 2021-04-20 |
Family
ID=75474356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021905350.XU Active CN213017841U (en) | 2020-09-03 | 2020-09-03 | Blowoff valve for electric water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213017841U (en) |
-
2020
- 2020-09-03 CN CN202021905350.XU patent/CN213017841U/en active Active
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