CN220397272U - Gas valve for clip-type furnace - Google Patents
Gas valve for clip-type furnace Download PDFInfo
- Publication number
- CN220397272U CN220397272U CN202321906004.7U CN202321906004U CN220397272U CN 220397272 U CN220397272 U CN 220397272U CN 202321906004 U CN202321906004 U CN 202321906004U CN 220397272 U CN220397272 U CN 220397272U
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- Prior art keywords
- valve
- sealing ring
- gas
- spring
- air inlet
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- 238000007789 sealing Methods 0.000 claims abstract description 86
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 16
- 239000007789 gas Substances 0.000 claims description 29
- 239000002737 fuel gas Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model discloses a gas valve for a card type furnace, which comprises a valve body, wherein a pressure stabilizing cavity, a gas inlet channel and a gas outlet channel which are communicated with the pressure stabilizing cavity are arranged on the valve body, a first spring, a valve core, a valve seat, a valve cover, a first sealing ring and a second sealing ring are arranged at the gas inlet end of the gas inlet channel, the valve cover is fixedly connected with the valve body, the valve seat is pressed at the gas inlet end by the valve cover through the first sealing ring, the first spring, the valve core and the second sealing ring are arranged in the gas inlet end, the valve seat limits the position of the second sealing ring, the valve core abuts against the second sealing ring through the elasticity of the first spring, the outer end of the valve core stretches into the second sealing ring, the valve core seals the gas inlet end, and the valve seat and the valve cover are provided with a gas inlet connected with a gas cylinder. The utility model has the advantages of small number of installation parts, easy installation and only needs two sealing rings to meet the requirement of safe use.
Description
Technical Field
The utility model relates to the technical field of card type furnaces, in particular to a gas valve for a card type furnace.
Background
At present, the air valve of the card type furnace has the air inlet end connected with the air cylinder, so that the gas in the air cylinder flows into the air valve for ventilation, and the air inlet end needs to be sealed by itself after the air cylinder is pulled out, thereby avoiding the gas in the air valve from leaking from the air inlet end. As in the pressure release valve with overpressure double protection disclosed in CN207034293U, the air inlet end needs triple sealing to meet the requirement of safety in use, and the number of parts is large, so that the volume of the valve body cannot be further reduced, and the valve body is complex to install and high in cost.
Disclosure of Invention
The utility model aims to provide a gas valve for a card type furnace, which reduces the number of parts.
The object of the present utility model is thus achieved.
The gas valve for the card type furnace comprises a valve body, wherein a pressure stabilizing cavity, a gas inlet channel and a gas outlet channel which are communicated with the pressure stabilizing cavity are arranged on the valve body, a first spring, a valve core, a valve seat, a valve cover, a first sealing ring and a second sealing ring are arranged at the gas inlet end of the gas inlet channel, the valve cover is fixedly connected with the valve body, the valve cover presses the valve seat at the gas inlet end through the first sealing ring, the first spring, the valve core and the second sealing ring are arranged in the gas inlet end, the valve seat limits the position of the second sealing ring, the valve core abuts against the second sealing ring through the elasticity of the first spring, the outer end of the valve core stretches into the second sealing ring, the valve core seals the gas inlet end,
the valve seat and the valve cover are provided with an air inlet connected with the air cylinder, when the air cylinder is inserted into the air inlet, the air cylinder pushes the valve core to move inwards and compress the first spring, the valve core is separated from contact with the second sealing ring, the outer end of the valve core pushes the switching valve of the air cylinder open, and fuel gas in the air cylinder enters the pressure stabilizing cavity through the air inlet end and the air inlet channel. The utility model has the advantages of small number of installation parts, easy installation and only needs two sealing rings to meet the requirement of safe use.
The above technical solution can be further perfected as follows.
More specifically, a first step is formed between the air passage and the air inlet end, and the inner end of the first spring abuts against the first step. The first spring can stably exert elastic force, so that the valve core can be tightly abutted against the second sealing ring, and the sealing performance is improved.
More specifically, the case includes inner end section, middle part section and outer end section, is formed with the second step between inner end section and the middle part section, and first spring outer end wears to overlap on the inner end section and offset with the middle part section, and outer end section diameter is less than the second sealing washer internal diameter, and outer end section constitutes the case outer end, the middle part section is close to outer end section and is formed with sealing part, and the middle part section is close to outer end section and is formed with spacing portion, and spacing portion diameter is greater than the second sealing washer internal diameter, and the elasticity of first spring makes sealing part and the second sealing washer of middle part section offset, and outer end section inserts in the second sealing washer. The valve core is reasonable in design, and the requirement of sealing or conducting fuel gas is met.
More specifically, the sealing part and the limiting part are in transition through the cambered surface part, and the cambered surface part and the second sealing ring are propped against each other by the elasticity of the first spring. The valve core is respectively abutted against the second sealing ring through the sealing part and the arc surface part to seal, so that the sealing performance is improved.
More specifically, the air inlet end is provided with a third step close to the end face, the second sealing ring is arranged in the third step, the valve seat abuts against the end face of the air inlet end, and the air inlet end is sealed with the valve seat through the second sealing ring.
More specifically, the valve cover is sleeved on the air inlet end, the valve cover is riveted with the air inlet end, the valve seat and the first sealing ring are arranged in the valve cover, and the valve seat and the valve cover are sealed through the first sealing ring. The first spring, the valve core, the valve seat, the valve cover, the first sealing ring and the second sealing ring are easy to install.
The utility model has the following beneficial effects.
(1) The utility model has reasonable structural design, less installation parts, easy installation, and low production cost, and only two sealing rings are needed to meet the requirement of safe use.
(2) The valve core is reasonable in design, and the requirement of sealing or conducting fuel gas is met. The valve core is respectively abutted against the second sealing ring through the sealing part and the arc surface part, so that the sealing performance is improved, and the safety performance is improved.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment.
Fig. 2 is a schematic cross-sectional structure of the first embodiment.
Fig. 3 is an exploded view of the first embodiment.
Fig. 4 is a schematic structural view of a knob in the first embodiment.
Fig. 5 is a schematic diagram of the direction structure of the air outlet channel of the valve body in the first embodiment.
Fig. 6 is a schematic view showing the direction structure of the intake passage of the valve body in the first embodiment.
Fig. 7 is a schematic structural diagram of a valve core in the first embodiment.
Detailed Description
The utility model is further described below with reference to the drawings and examples.
In a first embodiment, referring to fig. 1-7, a gas valve for a cartridge furnace includes a valve body 1, wherein a pressure stabilizing cavity 13, and an air inlet channel 11 and an air outlet channel 14 which are communicated with the pressure stabilizing cavity 13 are arranged on the valve body 1.
The air inlet end 2 of the air inlet channel 11 is provided with a first spring 21, a valve core 3, a valve seat 22, a valve cover 23, a first sealing ring 24 and a second sealing ring 25. A first step 26 is formed between the air inlet channel 11 and the air inlet end 2, and a third step 27 is arranged at the position, close to the end face, of the air inlet end 2. The first spring 21, the valve core 3 and the second sealing ring 25 are arranged in the air inlet end 2. The second sealing ring 25 is arranged in the third step 27, the valve seat 22 abuts against the end face of the air inlet end 2, and the air inlet end 2 and the valve seat 22 are sealed through the second sealing ring 25. The valve cover 23 is sleeved on the air inlet end 2, the valve cover 23 and the air inlet end 2 are riveted and fixed, the valve seat 22 and the first sealing ring 24 are arranged in the valve cover 23, and the valve seat 22 and the valve cover 23 are sealed through the first sealing ring 24.
The valve core 3 comprises an inner end section 31, a middle section 32 and an outer end section 33, a second step 34 is formed between the inner end section 31 and the middle section 32, the diameter of the outer end section 33 is smaller than the inner diameter of the second sealing ring 25, the outer end section 33 forms the outer end of the valve core 3, a sealing part 35 is formed on the middle section 32 close to the outer end section 33, a limiting part 37 is formed on the middle section 32 close to the outer end section 33, the sealing part 35 and the limiting part 37 are in transition through an arc part 36, and the diameter of the limiting part 37 is larger than the inner diameter of the second sealing ring 25. The inner end of the first spring 21 abuts against the first step 26, and the outer end of the first spring 21 is threaded over the inner end section 31 and abuts against the middle section 32. The elastic force of the first spring 21 makes the peripheral surface of the sealing part 35 of the middle section 32 prop against the second sealing ring 25, and meanwhile, the arc surface part 36 also props against the second sealing ring 25, namely, the valve core 3 seals the air inlet end 2, and the second sealing ring 25 stops the limiting part 37 through the arc surface part 36, so that the valve core 3 is prevented from being separated from the air inlet end 2. The outer end section 33 is inserted into the second seal ring 25.
The valve seat 22 and the valve cover 23 are provided with an air inlet 20 connected with an air bottle (not shown in the figure), when the air bottle is inserted into the air inlet 20, the air bottle pushes the valve core 3 to move inwards and compress the first spring 21, the valve core 3 is separated from contact with the second sealing ring 25, meanwhile, the outer end of the valve core 3 pushes up the switch valve of the air bottle, and fuel gas in the air bottle enters the pressure stabilizing cavity 13 through the air inlet end 2 and the air inlet channel 11.
The bottom of the valve seat 22 is fixedly connected with an air outlet copper pipe 51, and a communication cavity 15 and a switch assembly 4 are arranged between the valve body 1 and the air outlet copper pipe 51 corresponding to the air outlet channel 14. The communication cavity 15 is provided with a first positioning channel 16 communicated with the air outlet channel 14, and the communication cavity 15 is provided with a second positioning channel 17 communicated with the air outlet copper pipe 51.
The switch assembly 4 includes a gasket 6, a knob 7, a second spring 41, and a fixed cover 42. The fixed cover 42 is riveted with the valve body 1, and the fixed cover 42 restricts the gasket 6, the knob 7, and the second spring 41 within the communication chamber 15. The sealing gasket 6 is provided with a first through hole 61 and a second through hole 62, the inner end surface of the sealing gasket 6 is provided with a first convex part 63 and a second convex part 64, the first through hole 61 penetrates through the first convex part 63, the second through hole 62 penetrates through the second convex part 64, the first convex part 63 is inserted into the first positioning channel 16, the second convex part 64 is inserted into the second positioning channel 17 (namely, the sealing gasket 6 is in positioning connection with the communication cavity 15), the first through hole 61 is communicated with the air outlet channel 14, and the second through hole 62 is communicated with the air outlet copper pipe 51.
The inner end surface of the knob 7 is provided with a communicating guide groove 70. One end of the communication guide groove 70 is provided with a guide portion 71, and when the communication guide groove 70 is communicated with the first through hole 61 or the second through hole 62 through the guide portion 71, the knob 7 adjusts the flow rate flowing through the communication guide groove 70 through the overlapping area of the guide portion 71 and the first through hole 61 or the second through hole 62. Preferably, the guide portion 71 is an arc-shaped groove, and the bottom of the arc-shaped groove is inclined from the inner end of the knob 7 toward the bottom of the communicating guide groove 70. The communication channel 70 is U-shaped or S-shaped or in a straight shape or in other abnormal shapes. The outer peripheral surface of the knob 7 is provided with an annular groove 72, a third sealing ring 73 is arranged in the groove 72, and the third sealing ring 73 and the communication cavity 15 are propped against and sealed. The outer end surface of the knob 7 is provided with a rotating rod 74, and the outer end of the rotating rod 74 extends out of the fixed cover 42. The second spring 41 is sleeved on the rotating rod 74, the outer end of the second spring 41 abuts against the fixed cover 42, the inner end of the second spring 41 abuts against the outer end face of the knob 7, and the elastic force of the second spring 41 enables the inner end face of the knob 7 to abut against the sealing gasket 6 for sealing. The rotary lever 74 rotates the knob 7, and when the first through hole 61 and the second through hole 62 are both communicated with the communication guide groove 70, the gas outlet passage 14 is communicated with the gas outlet copper pipe 51.
In the utility model, the valve body 1 is cast and molded, the top concave cavity of the valve body 1 is connected with the upper cover 8 in a sealing way, the upper cover 8 and the concave cavity enclose the pressure stabilizing cavity 13, the pressure stabilizing cavity 13 is internally provided with the pressure stabilizing device 19, the upper cover 8 is stamped and molded, and one side of the upper cover 8 forms the connecting frame 81. The bottom of the valve body 1 is provided with an installation cavity 18 and a detachable support 5, one end of the air outlet copper pipe 51 is hermetically installed in the installation cavity 18 by the detachable support 5, and the second through hole 62 is communicated with the installation cavity 18. The valve body 1 is installed in the cartridge furnace through the bracket 5 and the connection frame 81.
The bottom of the valve body 1 is provided with a high-pressure protection cavity 12 at the air inlet channel 11, and the high-pressure protection cavity 12 communicates the air inlet end 2 with the pressure stabilizing cavity 13 through the air inlet channel 11. The high-voltage protection cavity 12 is internally provided with a high-voltage protection device 9, the bracket 5 is provided with a manual switch 52, and the high-voltage protection device 9 is linked with the manual switch 52. In the present utility model, the voltage stabilizing device 19 and the high voltage protection device 9 are both prior art, and are not described in detail in the present utility model.
Claims (6)
1. The utility model provides a card formula gas valve for stove, including valve body (1), be equipped with pressure stabilizing cavity (13) on valve body (1) and air inlet channel (11) and air outlet channel (14) of intercommunication pressure stabilizing cavity (13), characterized by, air inlet end (2) of air inlet channel (11) are equipped with first spring (21), case (3), disk seat (22), valve gap (23), first sealing washer (24) and second sealing washer (25), valve gap (23) and valve body (1) fixed connection, valve gap (23) push up disk seat (22) in air inlet end (2) department through first sealing washer (24), first spring (21), case (3) and second sealing washer (25) set up in air inlet end (2), disk seat (22) restriction second sealing washer (25) position, the elasticity of first spring (21) makes case (3) support second sealing washer (25), case (3) outer end stretches into in second sealing washer (25), case (3) seal air inlet end (2),
the valve seat (22) and the valve cover (23) are provided with an air inlet (20) connected with the air bottle, when the air bottle is inserted into the air inlet (20), the air bottle pushes the valve core (3) to move inwards and compress the first spring (21), the valve core (3) is separated from contact with the second sealing ring (25), the outer end of the valve core (3) pushes open the switch valve of the air bottle, and fuel gas in the air bottle enters the pressure stabilizing cavity (13) through the air inlet end (2) and the air inlet channel (11).
2. The gas valve for a cartridge furnace according to claim 1, wherein a first step (26) is formed between the gas inlet passage (11) and the gas inlet end (2), and an inner end of the first spring (21) abuts against the first step (26).
3. The gas valve for the cartridge furnace according to claim 1, wherein the valve core (3) comprises an inner end section (31), a middle section (32) and an outer end section (33), a second step (34) is formed between the inner end section (31) and the middle section (32), the outer end of the first spring (21) is sleeved on the inner end section (31) and props against the middle section (32), the diameter of the outer end section (33) is smaller than the inner diameter of the second sealing ring (25), the outer end section (33) forms the outer end of the valve core (3), the middle section (32) is close to the outer end section (33) and is provided with a sealing part (35), the middle section (32) is close to the outer end section (33) and is provided with a limiting part (37), the diameter of the limiting part (37) is larger than the inner diameter of the second sealing ring (25), the elastic force of the first spring (21) props against the sealing part (35) of the middle section (32) and the second sealing ring (25), and the outer end section (33) is inserted into the second sealing ring (25).
4. A gas valve for a cartridge furnace according to claim 3, wherein the sealing portion (35) and the limiting portion (37) are transited by an arc portion (36), and the elastic force of the first spring (21) makes the arc portion (36) and the second seal ring (25) abut against each other.
5. The gas valve for the cartridge furnace according to claim 1, wherein a third step (27) is arranged at the position, close to the end face, of the gas inlet end (2), the second sealing ring (25) is arranged in the third step (27), the valve seat (22) abuts against the end face of the gas inlet end (2), and the gas inlet end (2) and the valve seat (22) are sealed through the second sealing ring (25).
6. The gas valve for the cartridge furnace according to claim 1, wherein a valve cover (23) is sleeved on the gas inlet end (2), the valve cover (23) is riveted with the gas inlet end (2), a valve seat (22) and a first sealing ring (24) are arranged in the valve cover (23), and the valve seat (22) and the valve cover (23) are sealed by the first sealing ring (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321906004.7U CN220397272U (en) | 2023-07-19 | 2023-07-19 | Gas valve for clip-type furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321906004.7U CN220397272U (en) | 2023-07-19 | 2023-07-19 | Gas valve for clip-type furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220397272U true CN220397272U (en) | 2024-01-26 |
Family
ID=89597251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321906004.7U Active CN220397272U (en) | 2023-07-19 | 2023-07-19 | Gas valve for clip-type furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220397272U (en) |
-
2023
- 2023-07-19 CN CN202321906004.7U patent/CN220397272U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240418 Address after: 528427, 6th Floor, No. 30 Shangjian Road, Nantou Town, Zhongshan City, Guangdong Province Patentee after: Zhongshan Taocheng Outdoor Products Co.,Ltd. Country or region after: China Address before: 528427 first floor, No. 49 Feiyue Road, Nantou Town, Zhongshan City, Guangdong Province Patentee before: Zhongshan Aodi Electric Appliance Co.,Ltd. Country or region before: China |