CN209977369U - Explosion-proof fire-proof valve - Google Patents
Explosion-proof fire-proof valve Download PDFInfo
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- CN209977369U CN209977369U CN201920482454.5U CN201920482454U CN209977369U CN 209977369 U CN209977369 U CN 209977369U CN 201920482454 U CN201920482454 U CN 201920482454U CN 209977369 U CN209977369 U CN 209977369U
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- blade
- side wall
- valve body
- fixed
- explosion
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Abstract
The utility model relates to the technical field of fire-proof valves, and discloses an explosion-proof fire-proof valve, which comprises a valve body and a plurality of blades which are arranged in the valve body in the vertical direction in a linear way, wherein the lower end of the blade at the upper side is pressed against the upper end of the blade at the lower side adjacent to the upper end, the blade is inserted and sleeved on a blade shaft, and the two ends of the blade shaft are respectively inserted and sleeved on the side wall of the valve body; the two ends of the blade shaft are respectively sleeved with a copper sleeve, the copper sleeves are inserted and fixed on a support, the support is fixed on the side wall of the valve body, and a spring leaf is arranged on the outer side of the support and pressed against the side wall of the blade; the upper end of each blade is inserted and sleeved on the spring pressing sheet, a blade sealing sheet is fixed on the rear side wall of the spring pressing sheet, and the blade sealing sheet is pressed against the front side wall of the upper side blade adjacent to the blade sealing sheet. The sealing performance between the blade and the valve body is improved through the spring piece, the sealing performance between the blade and the blade is improved through the matching of the spring piece and the blade sealing sheet, and the explosion-proof valve has a reliable explosion-proof function.
Description
The technical field is as follows:
the utility model relates to a fire prevention valve technical field, concretely relates to explosion-proof fire prevention valve.
Background art:
the fire-proof valve applied in the existing fire-fighting ventilation system can realize automatic closing at specified temperature and time when encountering fire, plays the roles of isolating fire sources and blocking smoke, but the existing common fire-proof valve only depends on the sealing between the blades and the valve body, has poor sealing performance, and simultaneously, because the blades are made of common carbon steel, when the valve acts, the collision of adjacent steel blades can generate sparks, thereby igniting explosive gas mixtures.
The utility model has the following contents:
the utility model aims at overcoming prior art not enough, providing an explosion-proof fire prevention valve, it increases the leakproofness between blade and the valve body through the spring leaf, increases the leakproofness between blade and the blade through the cooperation of spring leaf and blade gasket, has reliable explosion-proof function.
The utility model provides a technical problem's scheme is:
an explosion-proof fire-proof valve comprises a valve body and a plurality of blades which are arranged in the valve body in a linear mode in the vertical direction, wherein the lower end of the blade on the upper side is pressed against the upper end of the blade on the lower side adjacent to the upper end of the blade, the blade is inserted and fixed on a blade shaft, and two ends of the blade shaft are respectively inserted and sleeved on the side wall of the valve body; the two ends of the blade shaft are respectively sleeved with a copper sleeve, the copper sleeves are inserted and fixed on a support, the support is fixed on the side wall of the valve body, and a spring leaf is arranged on the outer side of the support and pressed against the side wall of the blade; the upper end of each blade is inserted and sleeved on the spring pressing sheet, a blade sealing sheet is fixed on the rear side wall of the spring pressing sheet, and the blade sealing sheet is pressed against the front side wall of the upper side blade adjacent to the blade sealing sheet.
The support is in a shape like a Chinese character 'ji', the spring piece comprises an arc-shaped piece and support leg pieces integrally formed at two ends of the arc-shaped piece, the two support leg pieces are turned over towards the support, the end parts of the support leg pieces are pressed on the outer wall of the support, a row of through holes corresponding to the blade shafts one by one are formed in the middle of the arc-shaped piece, and the arc-shaped piece is pressed on the side wall of the blade; the upper end and the lower end of the arc-shaped sheet are respectively pressed against the inner wall of the upper side and the inner wall of the lower side of the valve body.
The spring piece and the blade sealing piece are both 0.2mm red copper sheets.
The spring pressing sheet comprises a U-shaped inserting sheet and a pressing sheet which is fixed at one end of the inserting sheet and is obliquely arranged, and the blade sealing sheet is fixed on the pressing sheet.
The rear side wall of the upper end of the uppermost blade and the front side wall of the lower end of the lowermost blade are respectively pressed against a baffle plate; the baffle is in the shape of a right-angle plate, the two baffles are respectively fixed on the upper side wall and the lower side wall of the valve body, and the two baffles are arranged in a centrosymmetric manner.
And sealing gaskets are fixed on the baffle plates and are pressed on the corresponding blades.
The valve body is provided with a fire damper temperature sensor and a fire damper actuating mechanism; the fire damper actuating mechanism comprises a motor connected with one of the blade shafts, and a connecting plate is fixed at one end of each blade shaft and hinged to the connecting rod.
The utility model discloses an outstanding effect is:
compared with the prior art, the sealing performance between the blade and the valve body is improved through the spring piece, the sealing performance between the blade and the blade is improved through the matching of the spring piece and the blade sealing sheet, and the explosion-proof valve has a reliable explosion-proof function.
Description of the drawings:
fig. 1 is a front view of the present invention;
fig. 2 is a left side view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a partial enlarged view of FIG. 2 with respect to B;
FIG. 5 is a schematic view of the blade, bracket and spring plate of the present invention;
fig. 6 is a schematic view of the spring pressing sheet and the blade sealing sheet of the present invention.
The specific implementation mode is as follows:
in the embodiment, as shown in fig. 1 to 6, an explosion-proof and fire-proof valve comprises a valve body 11 and a plurality of blades 12 which are linearly arranged in the vertical direction and are arranged in the valve body 11, wherein the lower end of the upper blade 12 is pressed against the upper end of the lower blade 12 adjacent to the upper end, the blades 12 are inserted and fixed on a blade shaft 13, and the two ends of the blade shaft 13 are respectively inserted and fixed on the side wall of the valve body 11; two ends of the blade shaft 13 are respectively sleeved with a copper sleeve 14, the copper sleeves 14 are inserted and fixed on a support 15, the support 15 is fixed on the side wall of the valve body 11, a spring piece 16 is arranged on the outer side of the support 15, and the spring piece 16 is pressed on the side wall of the blade 12; the upper end of each vane 12 is inserted and sleeved on a spring pressing sheet 17, a vane sealing sheet 18 is fixed on the rear side wall of the spring pressing sheet 17, and the vane sealing sheet 18 is pressed on the front side wall of the upper side vane 12 adjacent to the vane sealing sheet 18.
Furthermore, the support 15 is in a shape like a Chinese character 'ji', the spring plate 16 includes an arc-shaped piece 161 and support pieces 162 integrally formed at two ends of the arc-shaped piece 161, the two support pieces 162 are folded toward the support 15, the end portions of the support pieces 162 are pressed against the outer wall of the support 15, a row of through holes corresponding to the blade shafts 13 one by one are formed in the middle of the arc-shaped piece 161, and the arc-shaped piece 161 is pressed against the side wall of the blade 12; the upper and lower ends of the arc-shaped piece 161 are pressed against the upper and lower inner walls of the valve body 11, respectively.
Further, the spring piece 16 and the blade sealing piece 18 are both made of 0.2mm red copper sheets.
Furthermore, the spring pressing plate 17 includes a U-shaped insertion piece 171 and an inclined pressing plate 172 fixed to one end of the insertion piece 171, and the vane sealing plate 18 is fixed to the pressing plate 172.
Further, the rear side wall of the upper end of the uppermost blade 12 and the front side wall of the lower end of the lowermost blade 12 are pressed against one baffle plate 19, respectively; the baffle plates 19 are in a right-angle plate shape, the two baffle plates 19 are respectively fixed on the upper side wall and the lower side wall of the valve body 11, and the two baffle plates 19 are arranged in a central symmetry mode.
More specifically, said plate 19 is fixed with a gasket 20, which gasket 20 is pressed against the corresponding blade 12.
Furthermore, a fire damper temperature sensor and a fire damper actuating mechanism are arranged on the valve body 11; the fire damper actuator comprises a motor 21 connected with one of the vane shafts 13, and a connecting plate 22 is fixed at one end of each vane shaft 13, and the connecting plate 22 is hinged on a connecting rod 23.
The working principle is as follows: when a fire disaster occurs, the motor 21 drives one of the blade shafts to rotate, then all the blade shafts rotate simultaneously through the linkage action of the connecting plate and the connecting rod 23, the blade shafts drive the blades 12 to rotate, when the blades rotate, two ends of each blade are pressed on the spring pieces 16 all the time, the sealing performance between each blade and the valve body is improved, when two adjacent blades rotate, when the end parts of the two blades are close to each other, the pressing pieces 172 of the spring pressing pieces 17 are driven to generate elastic deformation, the blade sealing pieces 18 are arranged on the pressing pieces 172, and the blade sealing pieces 18 are clamped between the two blades, so that the sealing performance between the two blades can be effectively enhanced; the sealing gasket 20 is arranged between the uppermost blade and the lowermost blade and the corresponding baffle plate, so that the sealing performance between the blades and the valve body can be improved, and the spring piece and the blade sealing piece are 0.2mm red copper sheets and cannot generate sparks when being in friction with the blades, so that an explosion-proof function is effectively realized.
Finally, the above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (7)
1. An explosion-proof fire-proof valve comprises a valve body (11) and a plurality of blades (12) which are arranged in the valve body (11) in a linear mode in the vertical direction, wherein the lower end of the blade (12) on the upper side is pressed against the upper end of the blade (12) on the lower side adjacent to the lower end of the blade (12), the blades (12) are inserted and fixed on a blade shaft (13), and the two ends of the blade shaft (13) are respectively inserted and sleeved on the side wall of the valve body (11); the method is characterized in that: two ends of the blade shaft (13) are respectively sleeved with a copper sleeve (14), the copper sleeves (14) are inserted and fixed on a support (15), the support (15) is fixed on the side wall of the valve body (11), a spring piece (16) is arranged on the outer side of the support (15), and the spring piece (16) is pressed against the side wall of the blade (12); the upper end of each blade (12) is inserted and sleeved on a spring pressing sheet (17), a blade sealing sheet (18) is fixed on the rear side wall of the spring pressing sheet (17), and the blade sealing sheet (18) is pressed against the front side wall of the upper side blade (12) adjacent to the blade sealing sheet.
2. An explosion and fire prevention valve according to claim 1, wherein: the support (15) is in a shape like a Chinese character 'ji', the spring piece (16) comprises an arc-shaped piece (161) and support leg pieces (162) which are integrally formed at two ends of the arc-shaped piece (161), the two support leg pieces (162) are turned over towards the support (15), the end parts of the support leg pieces (162) are pressed on the outer wall of the support (15), a row of through holes which are in one-to-one correspondence with the blade shafts (13) are formed in the middle of the arc-shaped piece (161), and the arc-shaped piece (161) is pressed on the side wall of the blade (12); the upper end and the lower end of the arc-shaped sheet (161) are respectively pressed against the upper inner wall and the lower inner wall of the valve body (11).
3. An explosion and fire protection valve according to claim 1 or 2, wherein: the spring piece (16) and the blade sealing piece (18) are both 0.2mm red copper sheets.
4. An explosion and fire prevention valve according to claim 1, wherein: the spring pressing sheet (17) comprises a U-shaped inserting sheet (171) and a pressing sheet (172) which is fixed at one end of the inserting sheet (171) and is obliquely arranged, and the blade sealing sheet (18) is fixed on the pressing sheet (172).
5. An explosion and fire prevention valve according to claim 1, wherein: the rear side wall of the upper end of the uppermost blade (12) and the front side wall of the lower end of the lowermost blade (12) are respectively pressed against a baffle plate (19); the baffle plates (19) are in a right-angle plate shape, the two baffle plates (19) are respectively fixed on the upper side wall and the lower side wall of the valve body (11), and the two baffle plates (19) are arranged in a central symmetry mode.
6. An explosion and fire prevention valve according to claim 5, wherein: and a sealing gasket (20) is fixed on the baffle plate (19), and the sealing gasket (20) is pressed on the corresponding blade (12).
7. An explosion and fire prevention valve according to claim 1, wherein: the valve body (11) is provided with a fire damper temperature sensor and a fire damper actuating mechanism; the fire damper actuating mechanism comprises a motor (21) connected with one of the blade shafts (13), a connecting plate (22) is fixed at one end of each blade shaft (13), and the connecting plate (22) is hinged to a connecting rod (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920482454.5U CN209977369U (en) | 2019-04-11 | 2019-04-11 | Explosion-proof fire-proof valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920482454.5U CN209977369U (en) | 2019-04-11 | 2019-04-11 | Explosion-proof fire-proof valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209977369U true CN209977369U (en) | 2020-01-21 |
Family
ID=69257398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920482454.5U Expired - Fee Related CN209977369U (en) | 2019-04-11 | 2019-04-11 | Explosion-proof fire-proof valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209977369U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113290109A (en) * | 2021-05-25 | 2021-08-24 | 江苏华洋新思路能源装备股份有限公司 | Pressing process of fireproof valve blade |
-
2019
- 2019-04-11 CN CN201920482454.5U patent/CN209977369U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113290109A (en) * | 2021-05-25 | 2021-08-24 | 江苏华洋新思路能源装备股份有限公司 | Pressing process of fireproof valve blade |
| CN113290109B (en) * | 2021-05-25 | 2024-04-16 | 江苏华洋新思路能源装备股份有限公司 | Pressing process of fireproof valve blade |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |