CN220452820U - Rubber-iron integrated explosion-proof valve - Google Patents
Rubber-iron integrated explosion-proof valve Download PDFInfo
- Publication number
- CN220452820U CN220452820U CN202321676399.6U CN202321676399U CN220452820U CN 220452820 U CN220452820 U CN 220452820U CN 202321676399 U CN202321676399 U CN 202321676399U CN 220452820 U CN220452820 U CN 220452820U
- Authority
- CN
- China
- Prior art keywords
- valve
- explosion
- proof valve
- injection molding
- piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 12
- 238000001746 injection moulding Methods 0.000 claims abstract description 39
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 31
- 238000009423 ventilation Methods 0.000 claims description 27
- 238000004880 explosion Methods 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000010924 continuous production Methods 0.000 abstract description 3
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The utility model provides a rubber-iron integrated explosion-proof valve, which comprises a shell, wherein the shell comprises a threaded pipe and an annular injection molding piece which is formed at the outer side of the upper end of the threaded pipe through injection molding. The rubber-iron integrated explosion-proof valve is assembled in a threaded mode in the process of assembling the rubber-iron integrated explosion-proof valve and the opposite parts, and a threaded pipe can be machined by adopting a standard pipe core, and is machined and cut off in a continuous production mode. The thread pipe and the fixed plastic part are directly injection molded in an in-film injection molding mode, so that the existing CNC direct processing is replaced. In addition, the silica gel ring adopts an in-film injection molding mode, so that the process of the later-stage ferrule is canceled, and the cost is reduced. By adopting the structure, the production process is simpler, and the production efficiency is improved.
Description
Technical Field
The utility model relates to the field of explosion protection, in particular to a rubber-iron integrated explosion-proof valve.
Background
The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.
With the development of society, the usage amount of new energy electric vehicles is more and more, such as electric bicycles, electric automobiles and the like, and the energy mainly used by the vehicles is a battery, however, the safety work of the battery is still bad at present, the battery can generate chemical reaction when being powered and charged, a large amount of mixed gas and pressure are generated, if the phenomena of explosion and the like of the battery are caused by no treatment, the pressure in the battery needs to be released through gas interaction, however, the battery needs to keep a closed space, and a waterproof ventilation valve is needed to be added on the battery. The integral part is formed by CNC processing, raw material waste is large because CNC is material reduction processing, processing time is long, and the integral part is assembled in the later stage, so that the integral cost of the product is high.
It should be noted that the foregoing description of the background art is only for the purpose of providing a clear and complete description of the technical solution of the present utility model and is presented for the convenience of understanding by those skilled in the art. The above-described solutions are not considered to be known to the person skilled in the art simply because they are set forth in the background of the utility model section.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a rubber-iron integrated explosion-proof valve.
In order to solve the technical problems, the utility model provides a rubber-iron integrated explosion-proof valve, which comprises a shell, wherein the shell comprises a threaded pipe and an annular injection molding piece which is formed at the outer side of the upper end of the threaded pipe through injection molding.
Preferably, the threaded pipe is further sleeved with a second sealing ring, the second sealing ring is a silica gel ring, the second sealing ring is formed on the threaded pipe in an injection molding mode, and the second sealing ring is located on the lower side of the injection molding piece and is attached to the surface of the lower side of the injection molding piece.
Preferably, the explosion-proof valve further comprises a supporting plate installed in the threaded pipe and a piston installed in the shell, the piston comprises a connecting rod and an opening valve plate arranged at the upper end of the connecting rod, the connecting rod penetrates through the supporting plate and can reciprocate relative to the supporting plate, the opening valve plate is positioned at the upper side of the supporting plate, the lower end of the connecting rod is positioned at the lower side of the supporting plate, a vent hole is axially formed in the piston, the vent hole penetrates through the connecting rod and the opening valve plate, the vent hole comprises an air inlet end and an air outlet end, the air outlet end is positioned on the surface of the opening valve plate, a waterproof and breathable film is covered at the air outlet end, a spring is sleeved on the connecting rod, the lower end of the spring is abutted against the lower end of the connecting rod, the upper end of the spring is abutted against the lower surface of the connecting plate, the explosion-proof valve has a valve closing state and an opening state, and when the explosion-proof valve is in the valve closing state, the vent hole is sealed by the opening valve plate, and the vent hole passes through the vent hole in the shell; when the explosion-proof valve is in an open valve state, air pressure in the explosion-proof valve enables the valve opening plate to overcome the elastic force of the spring to move upwards, the valve opening plate leaves the upper end of the shell, a valve opening channel is formed between the valve opening plate and the shell, and air in the explosion-proof valve is discharged through the valve opening channel.
Preferably, when the explosion-proof valve is in a valve closing state, the spring is in a compressed state, and the spring makes the opening valve plate pressed on the end part of the shell by downward elastic force of the connecting rod.
Preferably, when the explosion-proof valve is in a valve closing state, the valve opening plate is pressed on the upper end face of the injection molding piece, a circle of sealing groove is formed in the upper end face of the injection molding piece along the circumferential direction, a first sealing ring is arranged in the sealing groove, the valve opening plate and the injection molding piece are sealed by the first sealing ring, and the first sealing ring is formed in the sealing groove in an injection molding mode.
Preferably, the supporting piece is stamping forming, the supporting piece is located in the threaded pipe and is fixed with the inner wall of the threaded pipe in an interference mode, a sleeve is arranged at the center of the supporting piece, the connecting rod penetrates through the sleeve, the supporting piece is of a hollow structure, and when the explosion-proof valve is in a valve opening state, the hollow part of the connecting piece can be used for allowing gas inside the explosion-proof valve to pass through.
Preferably, the lower end of the valve opening plate is provided with a threaded connector, and the upper end of the connecting rod is sleeved on the threaded connector and is in threaded connection with the threaded connector.
Preferably, a concave area is arranged at the center of the upper surface of the valve opening plate, the air outlet of the air vent is positioned in the concave area, the waterproof breathable film is matched with the shape of the concave area and covers the bottom of the concave area, an annular interference piece is further arranged in the concave area, the outer contour of the interference piece is matched with the shape of the concave area and is arranged in the concave area in an interference fit mode, and the interference piece is pressed on the upper side edge of the waterproof breathable film.
Preferably, the upper surface of the valve opening plate forms an annular bulge around the concave area, a plurality of annular ventilation holes are formed in the surface of the annular bulge along the circumferential direction, a plurality of radial ventilation channels are formed in the annular bulge along the radial direction, the radial ventilation channels are communicated with the annular ventilation channels, an upper cover plate is further covered on the upper surface of the valve opening plate, and the waterproof ventilation membrane is communicated with the external environment through the radial ventilation channels.
Preferably, the edge of the upper end surface of the injection molding piece protrudes upwards to form a circle of enclosing block, the valve opening plate is positioned in the enclosing block, and a circle of annular gap is formed between the enclosing block and the edge of the valve opening plate.
By the technical scheme, the utility model has the following beneficial effects:
the rubber-iron integrated explosion-proof valve is assembled in a threaded mode in the process of assembling the rubber-iron integrated explosion-proof valve and the opposite parts, and a threaded pipe can be machined by adopting a standard pipe core, and is machined and cut off in a continuous production mode. The thread pipe and the fixed plastic part are directly injection molded in an in-film injection molding mode, so that the existing CNC direct processing is replaced. In addition, the silica gel ring adopts an in-film injection molding mode, so that the process of the later-stage ferrule is canceled, and the cost is reduced. By adopting the structure, the production process is simpler, and the production efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of an explosion-proof valve of the present utility model.
Fig. 2 is a schematic diagram of an explosion structure of the explosion-proof valve of the present utility model.
Fig. 3 is a schematic cross-sectional structure of the explosion-proof valve of the present utility model.
Fig. 4 is a schematic view of the structure of the present utility model after the upper cover plate is removed.
Wherein: 1. an upper cover plate; 2. an interference piece; 3. a waterproof breathable film; 4. opening the valve plate; 5. a first seal ring; 6. an injection molding; 7. a second seal ring; 8. a spring; 9. a connecting rod; 10. a threaded tube;
41. a threaded connector; 42. a radial ventilation channel; 43. an annular ventilation channel;
11. a support sheet; 111. a sleeve; 91. a vent hole;
100. an annular gap; 200. and a valve opening passage.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, in the description of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and to distinguish between similar objects, and there is no order of preference between them, nor should they be construed as indicating or implying relative importance. Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
As shown in the figure, the utility model provides a rubber-iron integrated explosion-proof valve, which comprises a shell, wherein the shell comprises a threaded pipe 10 and an annular injection molding piece 6 which is formed outside the upper end of the threaded pipe 10 through injection molding. The threaded pipe 10 is also sleeved with a second sealing ring 7, the second sealing ring 7 is a silica gel ring, the second sealing ring 7 is formed on the threaded pipe 10 in an injection molding mode, and the second sealing ring 7 is located on the lower side of the injection molding piece 6 and is attached to the surface of the lower side of the injection molding piece 6. In the process of assembling the hand piece, the explosion-proof valve is assembled in a threaded mode, the threaded pipe 10 can be machined by adopting a standard pipe core, and the threaded pipe 10 is machined and cut off in a continuous production mode. The threaded pipe 10 and the fixed plastic part are directly injection molded by adopting an in-film injection molding mode, and the direct processing of the traditional CNC is replaced. In addition, the silica gel ring adopts an in-film injection molding mode, so that the process of the later-stage ferrule is canceled, and the cost is reduced. By adopting the structure, the production process is simpler, and the production efficiency is improved.
As shown in fig. 2, the explosion-proof valve further comprises a supporting plate 11 installed in the threaded pipe 10 and a piston installed in the housing, the piston comprises a connecting rod 9 and an opening valve plate 4 arranged at the upper end of the connecting rod 9, the connecting rod 9 passes through the supporting plate 11 and can reciprocate relative to the supporting plate 11, the opening valve plate 4 is positioned at the upper side of the supporting plate 11, the lower end of the connecting rod 9 is positioned at the lower side of the supporting plate 11, a vent hole 91 is axially formed in the piston, the vent hole 91 penetrates through the connecting rod 9 and the opening valve plate 4, the vent hole 91 comprises an air inlet end and an air outlet end, the air outlet end is positioned on the surface of the opening valve plate 4, the air outlet end is covered with a waterproof and breathable film 3, a spring 8 is sleeved on the connecting rod 9, the lower end of the spring 8 is abutted against the lower end of the connecting rod 9, the upper end of the spring 8 is abutted against the lower surface of the explosion-proof valve plate has a vent hole 91, the vent valve is in a state and the vent valve plate 4 is in a state of being opened and closed when the vent valve plate is in the vent valve-open state, and the vent valve is in the vent state; when the explosion-proof valve is in an open valve state, air pressure in the explosion-proof valve enables the valve opening plate 4 to move upwards against the elastic force of the spring 8, the valve opening plate 4 leaves the upper end of the shell, a valve opening channel 200 is formed between the valve opening plate 4 and the shell, and air in the explosion-proof valve is discharged through the valve opening channel 200. When the explosion-proof valve is in a valve closing state, the spring 8 is in a compressed state, and the spring 8 makes the valve opening plate 4 pressed on the end part of the shell by downward elastic force of the connecting rod 9.
When the explosion-proof valve is in a valve closing state, the valve opening plate 4 is tightly pressed on the upper end face of the injection molding piece 6, a circle of sealing groove is formed in the upper end face of the injection molding piece 6 along the circumferential direction, a first sealing ring 5 is arranged in the sealing groove, the valve opening plate 4 and the injection molding piece 6 are sealed by the first sealing ring 5, and the first sealing ring 5 is formed in the sealing groove in an injection molding mode.
The supporting piece 11 be stamping forming, the supporting piece 11 be located screwed pipe 10, the mode of interference is adopted with the inner wall of screwed pipe 10 to be fixed, the central point of supporting piece 11 put and be provided with a sleeve 111, connecting rod 9 pass sleeve 111, the supporting piece 11 be hollow out construction the explosion-proof valve be in when opening the valve state, the fretwork portion of connection piece can supply the inside gas of explosion-proof valve to pass through. The lower end of the valve opening plate 4 is provided with a threaded connector 41, and the upper end of the connecting rod 9 is sleeved on the threaded connector 41 and is in threaded connection with the threaded connector 41.
The central position of the upper surface of the valve opening plate 4 is provided with a concave area, the air outlet of the air vent 91 is positioned in the concave area, the waterproof breathable film 3 is matched with the shape of the concave area and covers the bottom of the concave area, the concave area is also provided with an annular interference piece 2, the outer contour of the interference piece 2 is matched with the shape of the concave area and is arranged in the concave area in an interference fit manner, and the interference piece 2 is pressed on the upper side edge of the waterproof breathable film 3. The upper surface of the valve opening plate 4 forms an annular bulge around the concave area, a plurality of annular ventilation holes are formed in the surface of the annular bulge along the circumferential direction, a plurality of radial ventilation channels 42 are formed in the annular bulge along the radial direction, the radial ventilation channels 42 are communicated by the annular ventilation channels 43, the upper surface of the valve opening plate 4 is further covered with an upper cover plate 1, and the waterproof ventilation membrane 3 is communicated with the external environment through the radial ventilation channels 42. The waterproof and breathable film 3 is arranged at the bottom of the concave area and is covered by the upper cover plate 1, so that the waterproof and breathable film is not easy to damage. In addition, since the waterproof and breathable film 3 is covered by the upper cover plate 1, moisture of the external environment can be further isolated. The waterproof and breathable membrane 3 is communicated with the outer diameter of the outside through the radial ventilation channels 42, and in addition, a plurality of radial ventilation channels 42 are communicated through the annular ventilation channels 43, so that ventilation uniformity can be ensured.
The edge of the upper end face of the injection molding piece 6 protrudes upwards to form a circle of enclosing block, the valve opening plate 4 is positioned in the enclosing block, and a circle of annular gap 100 is formed between the enclosing block and the edge of the valve opening plate 4. The annular gap 100 also provides ventilation while the enclosure protects the components within the enclosure.
The explosion protection valve can meet the protection grade of IP 68. The material of the silica gel ring of the explosion-proof valve is not limited to silica gel, and can be rubber, EPDM and the like as long as the requirements are met. The ventilation amount of the explosion-proof valve is more than or equal to 12L/HR/cm < 2 > under the air pressure of 70 mBAR. The interference between the supporting piece 11 and the threaded pipe 10 is 0.1-06 mm.
The above-described embodiments are merely preferred embodiments for fully explaining the present utility model, and the scope of the present utility model is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present utility model, and are intended to be within the scope of the present utility model. The protection scope of the utility model is subject to the claims.
Claims (8)
1. A rubber-iron integrated explosion-proof valve is characterized in that the explosion-proof valve comprises a shell, the shell comprises a threaded pipe and an annular injection molding piece which is formed at the outer side of the upper end of the threaded pipe through injection molding,
a second sealing ring is sleeved outside the threaded pipe, the second sealing ring is a silica gel ring, the second sealing ring is formed on the threaded pipe in an injection molding mode,
the second sealing ring is positioned at the lower side of the injection molding piece and is attached to the surface of the lower side of the injection molding piece, the explosion-proof valve also comprises a supporting piece arranged in the threaded pipe and a piston arranged in the shell, the piston comprises a connecting rod and an opening valve piece arranged at the upper end of the connecting rod, the connecting rod passes through the supporting piece and can do reciprocating motion relative to the supporting piece, the opening valve piece is positioned at the upper side of the supporting piece,
the lower end of the connecting rod is positioned at the lower side of the supporting sheet, the piston is provided with a vent hole along the axial direction,
the vent hole penetrates through the connecting rod and the valve opening plate, the vent hole comprises an air inlet end and an air outlet end, the air outlet end is positioned on the surface of the valve opening plate, the air outlet end is covered with a waterproof and breathable film, the connecting rod is sleeved with a spring, the lower end of the spring is propped against the lower end of the connecting rod, the upper end of the spring is propped against the lower surface of the connecting sheet,
the explosion-proof valve has a valve closing state and a valve opening state,
when the explosion-proof valve is in a valve closing state, the valve opening plate is covered on the upper end of the shell in a sealing way, and gas in the explosion-proof valve is discharged through the vent hole;
when the explosion-proof valve is in an open valve state, air pressure in the explosion-proof valve enables the valve opening plate to overcome the elastic force of the spring to move upwards, the valve opening plate leaves the upper end of the shell, a valve opening channel is formed between the valve opening plate and the shell, and air in the explosion-proof valve is discharged through the valve opening channel.
2. The explosion-proof valve according to claim 1, wherein when the explosion-proof valve is in a closed state, the spring is in a compressed state, and the spring presses the opening valve plate against the end of the housing by downward elasticity of the connecting rod.
3. The explosion-proof valve according to claim 1, wherein when the explosion-proof valve is in a valve-closing state, the valve opening plate is pressed on the upper end face of the injection molding piece, a circle of sealing groove is formed in the upper end face of the injection molding piece along the circumferential direction, a first sealing ring is arranged in the sealing groove, the valve opening plate and the injection molding piece seal the explosion-proof valve through the first sealing ring, and the first sealing ring is formed in the sealing groove in an injection molding mode.
4. The explosion-proof valve according to claim 1, wherein the supporting sheet is formed by stamping, the supporting sheet is positioned in the threaded pipe and is fixed with the inner wall of the threaded pipe in an interference manner,
the central position of the supporting piece is provided with a sleeve, the connecting rod penetrates through the sleeve, the supporting piece is of a hollow structure, and when the explosion-proof valve is in a valve opening state, the hollow part of the connecting piece can allow gas inside the explosion-proof valve to pass through.
5. The explosion-proof valve according to claim 1, wherein the lower end of the valve opening plate is provided with a threaded connector, and the upper end of the connecting rod is sleeved on the threaded connector and is in threaded connection with the threaded connector.
6. The explosion-proof valve according to claim 1, wherein a concave area is arranged at the center of the upper surface of the valve opening plate, the air outlet of the air vent is positioned in the concave area, the waterproof breathable film is matched with the shape of the concave area and covers the bottom of the concave area, the concave area is further provided with an annular interference piece, the outer contour of the interference piece is matched with the shape of the concave area and is arranged in the concave area in an interference fit mode, and the interference piece is pressed on the upper side edge of the waterproof breathable film.
7. The explosion valve of claim 6, wherein the upper surface of the valve plate forms an annular bulge around the concave area, a plurality of annular ventilation holes are circumferentially formed in the surface of the annular bulge, a plurality of radial ventilation channels are radially formed in the annular bulge, the plurality of radial ventilation channels are communicated by the annular ventilation channels, an upper cover plate is further covered on the upper surface of the valve plate, and the waterproof ventilation membrane is communicated with the external environment through the plurality of radial ventilation channels.
8. The explosion-proof valve as set forth in claim 7, wherein the edge of the upper end face of the injection molding piece protrudes upward to form a ring-shaped enclosure, the valve opening plate is located in the enclosure, and a ring-shaped gap is formed between the enclosure and the edge of the valve opening plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321676399.6U CN220452820U (en) | 2023-06-29 | 2023-06-29 | Rubber-iron integrated explosion-proof valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321676399.6U CN220452820U (en) | 2023-06-29 | 2023-06-29 | Rubber-iron integrated explosion-proof valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220452820U true CN220452820U (en) | 2024-02-06 |
Family
ID=89731434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321676399.6U Active CN220452820U (en) | 2023-06-29 | 2023-06-29 | Rubber-iron integrated explosion-proof valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220452820U (en) |
-
2023
- 2023-06-29 CN CN202321676399.6U patent/CN220452820U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220452820U (en) | Rubber-iron integrated explosion-proof valve | |
| CN105720221A (en) | Metal part pressure anti-explosion pressure-release balance valve used in compact battery pack | |
| CN220016213U (en) | Explosion-proof valve | |
| CN208482066U (en) | A kind of filter with decompression | |
| CN216519884U (en) | Vacuum regulator | |
| CN217401771U (en) | Waterproof ventilation valve | |
| CN215445212U (en) | Low-pressure spring soft rubber type explosion-proof valve | |
| CN202872523U (en) | Motor end cover | |
| CN211404359U (en) | Waterproof button of electronic equipment and electronic equipment | |
| CN205101631U (en) | Plastic water tap | |
| CN212297788U (en) | Improved generation buckle formula pressure relief valve subassembly | |
| CN113446399A (en) | Integrated water pump pressure tank | |
| CN215981995U (en) | Oxygen cylinder valve | |
| CN215286166U (en) | Building block pump tank | |
| TWI408028B (en) | Pneumatic tools with airtight | |
| CN219452956U (en) | Valve head for nitrogen discharge valve | |
| CN216154460U (en) | Vacuum pump | |
| CN219721410U (en) | Fragrance cover assembly and fragrance device | |
| CN219840771U (en) | Durable air pump rod and air pump | |
| CN219610661U (en) | Battery and battery pressure release structure | |
| CN212485389U (en) | Battery mould | |
| CN218215570U (en) | Two-seal small cover with radial seal structure | |
| CN210683221U (en) | Air outlet assembly in high-purity nitrous oxide purifier | |
| CN219345608U (en) | Explosion-proof valve and battery | |
| CN218882648U (en) | Cylinder shell structure and cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |