CN219734313U - Locking structure for front single-locking flue check valve - Google Patents
Locking structure for front single-locking flue check valve Download PDFInfo
- Publication number
- CN219734313U CN219734313U CN202320960073.XU CN202320960073U CN219734313U CN 219734313 U CN219734313 U CN 219734313U CN 202320960073 U CN202320960073 U CN 202320960073U CN 219734313 U CN219734313 U CN 219734313U
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- check valve
- locking
- plate
- side wall
- flue
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- 238000004378 air conditioning Methods 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 9
- 230000003993 interaction Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 230000000630 rising effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Check Valves (AREA)
Abstract
The utility model relates to the technical field of check valves, in particular to a locking structure for a front single-locking flue check valve, which comprises the following components: the anti-theft device comprises a check valve, a fireproof plate and an inserting plate, wherein the check valve is connected with a fixed plate, the fireproof plate is connected with a connecting block, the connecting block is connected with a movable rod and a torsion spring, and an outer wall of the inserting plate is provided with a telescopic spring and a pressing plate; the beneficial effects are as follows: the fusing block is made of 400 ℃ materials, so that after the fusing block is fused by rising of temperature after a fire, the inserting plate is not fixed by the fusing block, the telescopic spring is not compressed and starts to stretch through elastic action, the torsion spring is not subjected to torsion action at the moment, the connecting block is driven to rotate, and the fireproof plate is fast clamped with the check valve through interaction force between the pressing plate and the baffle frame, so that automatic locking is achieved, the structure is stable, fireproof effect is achieved, dangerousness is reduced, and safety is guaranteed.
Description
Technical Field
The utility model relates to the technical field of check valves, in particular to a locking structure for a front single-locking flue check valve.
Background
The flue check valve is also called a counter-flow valve, a check valve, a back pressure valve, a one-way valve and a flue valve, and the like, which are automatically opened and closed by the force generated by the flow of medium in a pipeline, belongs to an automatic valve.
In the prior art, a flue check valve is usually arranged on a smoke path system for preventing the smoke sucked from the range hood from returning to the kitchen through the flue.
However, when the flue fires, the indoor air flow and the external air flow need to be isolated, but the existing flue check valve cannot automatically close the valve blades, cannot play a role in fire prevention, and is easy to cause life hazard.
Disclosure of Invention
The utility model aims to provide a locking structure for a front single-locking flue check valve, which aims to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a front single-locking flue check valve locking structure, the front single-locking flue check valve locking structure comprising:
the check valve is characterized in that one end of the check valve is fixedly connected with a baffle frame, a jack is formed in the side wall of one end, far away from the check valve, of the baffle frame, and the check valve is connected with a fixing plate;
the fireproof plate is connected with the check valve, one end of the fireproof plate is provided with a connecting block, and the connecting block is connected with a movable rod and a torsion spring; a kind of electronic device with high-pressure air-conditioning system
And one end of the plugboard is fixedly connected with the side wall of the fireproof plate, the outer wall of the plugboard is provided with an expansion spring and a pressing plate, and the plugboard is connected with a fusion block.
Preferably, two fixing plates are arranged, the two fixing plates are L-shaped, and one ends of the two fixing plates are fixedly connected with one side of the outer wall of the check valve respectively.
Preferably, the movable rod and the torsion spring are both provided with two, one end of the movable rod is fixedly connected with the opposite side wall of the connecting block, and the other end of the movable rod is rotatably connected with the opposite side wall of the two fixed plates.
Preferably, the two torsion springs are respectively sleeved on the outer walls of the two movable rods, and two ends of each torsion spring are respectively fixedly connected with the side wall of the fixed plate and the side wall of the connecting block.
Preferably, two ends of the telescopic spring are fixedly connected with the side wall of the fireproof plate and the side wall of the pressing plate respectively.
Preferably, the pressing plate is movably connected with the plugboard, and a through hole is formed in the side wall of one end, away from the fireproof plate, of the plugboard.
Preferably, a positioning groove is formed in the middle side wall of one end of the fusing block, and the inner wall of the positioning groove is connected with the inner wall of the through hole.
Compared with the prior art, the utility model has the beneficial effects that:
the fusing block is made of 400 ℃ materials, so that after the fusing block is fused by rising of temperature after a fire, the inserting plate is not fixed by the fusing block, the telescopic spring is not compressed and starts to stretch through elastic action, the torsion spring is not subjected to torsion action at the moment, the connecting block is driven to rotate, and the fireproof plate is fast clamped with the check valve through interaction force between the pressing plate and the baffle frame, so that automatic locking is achieved, the structure is stable, fireproof effect is achieved, dangerousness is reduced, and safety is guaranteed.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an enlarged schematic view of the structure A in FIG. 1 according to the present utility model;
FIG. 3 is a schematic view of the internal structure of the baffle frame of the present utility model;
fig. 4 is an enlarged schematic view of the structure B in fig. 3 according to the present utility model.
In the figure: 1. a check valve; 2. a fire protection plate; 3. a blocking frame; 4. a jack; 5. a positioning groove; 6. a through hole; 7. inserting plate; 8. melting off the block; 9. a telescopic spring; 10. a pressing plate; 11. a fixing plate; 12. a connecting block; 13. a movable rod; 14. and (3) a torsion spring.
Detailed Description
In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.
Embodiment one:
referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a preceding single locking formula flue locking structure for check valve, preceding single locking formula flue locking structure for check valve includes: the check valve 1, one end of the check valve 1 is fixedly connected with a baffle frame 3, the side wall of one end of the baffle frame 3 far away from the check valve 1 is provided with an inserting hole 4, and the check valve 1 is connected with a fixing plate 11; the fireproof plate 2 is connected with the check valve 1, one end of the fireproof plate 2 is provided with a connecting block 12, and the connecting block 12 is connected with a movable rod 13 and a torsion spring 14; and one end of the plugboard 7 is fixedly connected with the side wall of the fireproof plate 2, the outer wall of the plugboard 7 is provided with a telescopic spring 9 and a pressing plate 10, and the plugboard 7 is connected with a fuse block 8.
The fusing block 8 is made of 400 ℃ materials, so after the fusing block 8 is fused by rising temperature after a fire, the inserting plate 7 is not fixed by the fusing block 8, the telescopic spring 9 is not compressed and starts to stretch through elastic action, the torsion spring 14 is not subjected to torsion action at the moment, the connecting block 12 is driven to rotate, and the fireproof plate 2 is fast clamped with the check valve 1 through interaction force between the pressing plate 10 and the baffle frame 3, so that the automatic locking condition is achieved, and the structure is stable.
Embodiment two:
on the basis of the first embodiment, in order to achieve the automatic locking phenomenon, two fixing plates 11 are arranged, the two fixing plates 11 are L-shaped, and one ends of the two fixing plates 11 are fixedly connected with one side of the outer wall of the check valve 1 respectively; the two movable rods 13 and the torsion spring 14 are respectively arranged, one ends of the two movable rods 13 are respectively and fixedly connected with the opposite side walls of the connecting block 12, and the other ends of the two movable rods 13 are respectively and rotatably connected with the opposite side walls of the two fixed plates 11; the two torsion springs 14 are respectively sleeved on the outer walls of the two movable rods 13, and two ends of each torsion spring 14 are respectively fixedly connected with the side wall of the fixed plate 11 and the side wall of the connecting block 12.
The fusing block 8 is made of 400 ℃ materials, so after the fusing block 8 is fused by rising temperature after a fire, the inserting plate 7 is not fixed by the fusing block 8, and the torsion spring 14 is not subjected to torsion at the moment, so that the connecting block 12 is driven to rotate, the fireproof plate 2 is fast clamped with the check valve 1, and automatic locking is achieved.
Embodiment III:
on the basis of the first embodiment, in order to better ensure the clamping effect, two ends of the telescopic spring 9 are respectively fixedly connected with the side wall of the fireproof plate 2 and the side wall of the pressing plate 10; the pressing plate 10 is movably connected with the plugboard 7, and a through hole 6 is formed in the side wall of one end, far away from the fireproof plate 2, of the plugboard 7; the middle side wall of one end of the fusing block 8 is provided with a positioning groove 5, and the inner wall of the positioning groove 5 is connected with the inner wall of the through hole 6.
When the telescopic spring 9 is not compressed any more and starts to stretch through the elastic action, the clamping effect of the reinforced fireproof plate 2 is further accelerated through the interaction force between the pressing plate 10 and the baffle frame 3.
During actual use, the fusing block 8 is made of 400 ℃ of materials, so that after the fusing block 8 is melted by rising of temperature after a fire, the inserting plate 7 is not fixed by the fusing block 8, the telescopic spring 9 is not compressed and starts to stretch through elastic action, the torsion spring 14 is not subjected to torsion action at the moment, the connecting block 12 is driven to rotate, and the fireproof plate 2 is fast clamped with the check valve 1 through interaction force between the pressing plate 10 and the baffle frame 3, so that automatic locking is achieved, and the structure is stable.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A preceding single locking formula flue locking structure for check valve which characterized in that: the front single locking type flue check valve locking structure comprises:
the check valve comprises a check valve body (1), wherein one end of the check valve body (1) is fixedly connected with a baffle frame (3), a jack (4) is formed in the side wall, away from one end of the check valve body (1), of the baffle frame (3), and the check valve body (1) is connected with a fixing plate (11);
the fireproof plate (2) is connected with the check valve (1), one end of the fireproof plate (2) is provided with a connecting block (12), and the connecting block (12) is connected with a movable rod (13) and a torsion spring (14); a kind of electronic device with high-pressure air-conditioning system
The fireproof board comprises a plugboard (7), wherein one end of the plugboard is fixedly connected with the side wall of the fireproof board (2), an extension spring (9) and a pressing plate (10) are arranged on the outer wall of the plugboard (7), and the plugboard (7) is connected with a fuse block (8).
2. The locking structure for a front single-locking flue check valve according to claim 1, wherein: the two fixing plates (11) are arranged, the two fixing plates (11) are L-shaped, and one ends of the two fixing plates (11) are fixedly connected with one side of the outer wall of the check valve (1) respectively.
3. The locking structure for a front single-locking flue check valve according to claim 2, wherein: the movable rods (13) and the torsion springs (14) are respectively provided with two movable rods (13), one ends of the two movable rods (13) are respectively fixedly connected with opposite side walls of the connecting block (12), and the other ends of the two movable rods (13) are respectively connected with opposite side walls of the two fixed plates (11) in a rotating mode.
4. A front single-locking flue check valve locking structure according to claim 3, wherein: the two torsion springs (14) are respectively sleeved on the outer walls of the two movable rods (13), and two ends of each torsion spring (14) are respectively fixedly connected with the side wall of the fixed plate (11) and the side wall of the connecting block (12).
5. The locking structure for a front single-locking flue check valve according to claim 1, wherein: the two ends of the telescopic spring (9) are fixedly connected with the side wall of the fireproof plate (2) and the side wall of the pressing plate (10) respectively.
6. The locking structure for a front single-locking flue check valve according to claim 1, wherein: the fireproof plate is characterized in that the pressing plate (10) is movably connected with the inserting plate (7), and a through hole (6) is formed in the side wall of one end, far away from the fireproof plate (2), of the inserting plate (7).
7. The locking structure for a front single-locking flue check valve according to claim 6, wherein: the side wall has seted up constant head tank (5) in the middle of one end of fuse block (8), the inner wall of constant head tank (5) is connected with the inner wall of through-hole (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320960073.XU CN219734313U (en) | 2023-04-24 | 2023-04-24 | Locking structure for front single-locking flue check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320960073.XU CN219734313U (en) | 2023-04-24 | 2023-04-24 | Locking structure for front single-locking flue check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219734313U true CN219734313U (en) | 2023-09-22 |
Family
ID=88052647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320960073.XU Active CN219734313U (en) | 2023-04-24 | 2023-04-24 | Locking structure for front single-locking flue check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219734313U (en) |
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2023
- 2023-04-24 CN CN202320960073.XU patent/CN219734313U/en active Active
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