CN218992490U

CN218992490U - Fire prevention valve convenient to maintenance

Info

Publication number: CN218992490U
Application number: CN202320007101.6U
Authority: CN
Inventors: 黄闰
Original assignee: Sichuan Xinmu Ventilation Equipment Co ltd
Current assignee: Sichuan Xinmu Ventilation Equipment Co ltd
Priority date: 2023-01-03
Filing date: 2023-01-03
Publication date: 2023-05-09
Anticipated expiration: 2033-01-03

Abstract

The utility model relates to a fire prevention valve convenient to maintenance, it includes the fire prevention valve body, the groove of sliding has all been seted up to the both sides wall of fire prevention valve body, and two slide the inslot along being close to or keeping away from the direction of fire prevention valve body and all slide and be provided with to tightly frame, two it establishes respectively to prop tightly frame to be used for the cover on two air pipes adjacent with the fire prevention valve body, this internal driving mechanism that is provided with of fire prevention valve drives two to tightly frame along being close to each other or the direction gliding that keeps away from. This application has the dismouting that makes the fire prevention valve become convenient effect.

Description

Fire prevention valve convenient to maintenance

Technical Field

The application relates to the technical field of fire protection valves, in particular to a fire protection valve convenient to maintain.

Background

The fire valve is a fire valve, is generally installed in an air supply and return system or an air conditioning system, is in an open state at ordinary times, is opened for smoke discharge when a fire disaster occurs, is closed when the temperature of smoke in a smoke discharge pipeline reaches 280 ℃, meets the requirements of smoke leakage and fire resistance integrity in a certain time, and plays a role in smoke isolation and fire resistance.

At present, the installation of fire prevention valve is generally to set up a plurality of through-holes at vent pipe and fire prevention valve framework outer edge, place the fire prevention valve between two adjacent vent pipes again, make the through-hole of fire prevention valve outer edge and vent pipe's through-hole one-to-one, then wear to locate two through-holes with the bolt and be connected fixedly with the nut.

However, when constructors maintain the fire damper, the constructors need to unscrew the nuts from the bolts respectively, then take out the fire damper from between the two ventilation pipelines, and finally maintain the fire damper, so that the fire damper is inconvenient to assemble and disassemble.

Disclosure of Invention

In order to facilitate the disassembly and assembly of the fire damper, the application provides a fire damper convenient to maintain.

The application provides a fire prevention valve convenient to maintenance adopts following technical scheme:

the utility model provides a fire prevention valve convenient to maintenance, includes the fire prevention valve body, the groove of sliding has all been seted up to the both sides wall of fire prevention valve body, and two slide in the inslot along being close to or keeping away from the direction of fire prevention valve body and all slide and be provided with to tightly frame, two it establishes respectively to be used for the cover on two air pipes adjacent with the fire prevention valve body to tightly frame, this internal driving mechanism that drives two to tightly frame along being close to each other or keeping away from that is provided with of fire prevention valve.

By adopting the technical scheme, when a constructor needs to repair the damaged fireproof valve body, the constructor drives the two abutting frames to separate from the ventilating ducts on two sides of the fireproof valve body through the driving mechanism, and then the fireproof valve body is removed from between the ventilating ducts; after constructors maintain the damaged fireproof valve body, constructors place the fireproof valve body between two ventilation pipelines, and the two propping frames are sleeved on the two ventilation pipelines adjacent to the fireproof valve body through the driving mechanism, so that the damaged fireproof valve body is maintained, and the fireproof valve is convenient to disassemble and assemble.

Optionally, the butt groove has been seted up to one side that the fire prevention valve body was kept away from to the tight frame that supports, the butt inslot is provided with along being close to or keeping away from the direction slip of fire prevention valve body and supports tight piece, it is used for the outer wall of air pipe to support tight piece to support tightly, be provided with in the butt groove and order about to support tight piece along keeping away from to support tight frame direction motion's first elastic component.

Through adopting above-mentioned technical scheme, order about to support tight piece through first elastic component and have along keeping away from the trend that supports tight frame direction motion to order about to support tight piece and air pipe and support tightly.

Optionally, two the tight piece of support is kept away from each other the one end all fixed setting rubber pad.

Through adopting above-mentioned technical scheme, through the setting of rubber pad, sealed the gap between fire prevention valve body and the air pipe.

Optionally, the driving mechanism includes a first rack, a second rack, a transmission gear and a driving component, the fire-proof valve body is provided with a placing groove, the transmission gear is rotatably arranged in the placing groove, the fire-proof valve body is respectively provided with a first chute and a second chute which are communicated with the placing groove, the first rack is slidably arranged in the first chute, and the second rack is slidably arranged in the second chute; the first rack and the second rack are meshed with the conveying gear, the first rack and the second rack are fixedly connected with the two abutting frames respectively, and the driving assembly is used for driving the conveying gear to rotate.

Through adopting above-mentioned technical scheme, drive the transfer gear through drive assembly and rotate, drive first rack and second rack respectively in first spout and second spout when the transfer gear rotates to drive respectively with first rack and second rack fixed connection's two support tight frame and slide in the groove that slides.

Optionally, the driving assembly includes a first gear and a rotating shaft, a containing groove communicated with the containing groove is formed in the fire-proof valve body, a supporting block is slidably arranged in the containing groove along a direction close to or far away from the bottom wall of the fire-proof valve body, the first gear is rotatably arranged on the supporting block, an axial direction of the first gear is parallel to an axial direction of the conveying gear, and the first gear is used for being meshed with the conveying gear; the rotating shaft is coaxially fixed with the first gear, a through hole communicated with the side wall of the fireproof valve body is formed in the side wall of the accommodating groove, the rotating shaft is rotatably arranged in the through hole, and the rotating shaft is rotatably connected with the supporting block.

Through adopting above-mentioned technical scheme, through promoting the pivot, order about the supporting shoe that is connected with the pivot rotation and slide in the storage tank, when first gear and transfer gear meshing, rotate the pivot, order about the first gear rotation of coaxial fixed connection with the pivot, the transfer gear rotation with first gear meshing this moment drives in the moment.

Optionally, the support block is fixedly provided with a second gear, the axial direction of the second gear is parallel to the axial direction of the transmission gear, the second gear is used for being meshed with the transmission gear, and the support block is provided with a second elastic piece for driving the second gear to be meshed with the transmission gear.

Through adopting above-mentioned technical scheme, when the tight piece of support in two support tight frames supports tightly with two adjacent air pipes respectively, drive the supporting shoe through the second elastic component and slide along being close to the pivot direction, when the supporting shoe supports tightly with the lateral wall of storage tank, the second gear just meshes with the transfer gear to reach the fixed effect of fire prevention valve body and air pipe.

Optionally, the second elastic component includes the extension spring, the mounting groove with the opening intercommunication is seted up to the lateral wall of holding tank, the one end of extension spring is fixed to be set up on the lateral wall of supporting shoe, the other end and the lateral wall looks butt of mounting groove of extension spring.

Through adopting the technical scheme, the support block is driven to be always abutted against the side wall of the accommodating groove through the arrangement of the tension spring, so that the fixed wheel is driven to be always meshed with the conveying gear; when the fire-proof valve body needs to be maintained, a constructor pushes the rotating shaft to drive the first gear to be meshed with the conveying gear, and then rotates the rotating shaft, so that the two abutting frames are driven to be separated from the ventilating duct.

Optionally, the two side walls of the abutting groove gradually approach the abutting block along the mutually approaching direction.

Through adopting above-mentioned technical scheme, through the slope setting of butt groove both sides wall, the air pipe of being convenient for inserts in the butt groove.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when constructors need to repair the damaged fireproof valve body, the constructors drive the two abutting frames to separate from the ventilating ducts on two sides of the fireproof valve body through the driving mechanism, and then the fireproof valve body is removed from between the ventilating ducts; after the constructor repairs the damaged fireproof valve body, the constructor places the fireproof valve body between two ventilation pipelines, and then sleeves the two abutting frames on the two ventilation pipelines adjacent to the fireproof valve body through the driving mechanism, so that the damaged fireproof valve body is repaired, and the fireproof valve is convenient to assemble and disassemble;

2. the driving assembly drives the transmission gear to rotate, and simultaneously drives the first rack and the second rack to slide in the first chute and the second chute respectively, so that two abutting frames fixedly connected with the first rack and the second rack respectively are driven to slide in the sliding chute;

3. when the abutting blocks in the two abutting frames are abutted against the adjacent two ventilating ducts respectively, the supporting blocks are driven to slide along the direction close to the rotating shaft through the second elastic piece, and when the supporting blocks are abutted against the side walls of the accommodating grooves, the second gears are just meshed with the conveying gears, so that the effect of fixing the fireproof valve body and the ventilating ducts is achieved.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present application;

FIG. 2 is a partial cross-sectional view of an embodiment of the present application, primarily for illustrating the structure of the abutment frame;

FIG. 3 is an enlarged view of a part of the structure of an embodiment of the present application, mainly for illustrating the structure of the abutting block;

FIG. 4 is a partial cross-sectional view of an embodiment of the present application, primarily for illustrating a drive mechanism;

fig. 5 is an enlarged view of a part of the structure of the embodiment of the present application, mainly for illustrating the driving assembly.

Reference numerals illustrate: 1. a fire protection valve body; 11. a slip groove; 12. a pressing frame; 13. an abutment groove; 14. a tightening block; 15. a rubber pad; 16. a pressure spring; 17. a bellows; 2. a driving mechanism; 21. a first rack; 22. a second rack; 23. a transmission gear; 24. a placement groove; 25. a first chute; 26. a second chute; 3. a first gear; 31. a rotating shaft; 32. a receiving groove; 33. a support block; 34. a through port; 4. a second gear; 41. a tension spring; 42. and a mounting groove.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

The embodiment of the application discloses a fire prevention valve convenient to maintenance. Referring to fig. 1 and 2, including fire damper body 1, the groove 11 that slides has all been seted up to fire damper body 1's both sides wall, and all slide along the direction of perpendicular to fire damper body 1 in two grooves 11 and be provided with the tight frame 12 of support, all fixedly on the one side that two tight frames 12 are close to each other be provided with bellows 17, the other end of bellows 17 and the diapire fixed connection of groove 11 that slides, two tight frames 12 of support are used for the cover to establish respectively on two air pipes adjacent with fire damper body 1.

Referring to fig. 2 and 3, an abutting groove 13 is formed in one side, far away from the fire-proof valve body 1, of the abutting frame 12, an abutting block 14 is slidably arranged in the abutting groove 13 along the sliding direction of the abutting block 14, a rubber pad 15 is fixedly arranged at one end, far away from the abutting groove 13, of the abutting block 14, the rubber pad 15 on the abutting block 14 is used for abutting against the outer wall of a ventilation pipeline, a first elastic piece for driving the abutting block 14 to move along the direction far away from the abutting frame 12 is arranged in the abutting groove 13, the first elastic piece comprises a pressure spring 16, one end of the pressure spring 16 is fixedly connected with one end, far away from the rubber pad 15, of the abutting block 14, the other end of the pressure spring 16 is fixedly connected with the bottom wall of the abutting groove 13, and two side walls of the abutting groove 13 are gradually close to the abutting block 14 along the direction close to each other.

Referring to fig. 4 and 5, a driving mechanism 2 for driving the two abutting frames 12 to slide is arranged in the fire-proof valve body 1, the driving mechanism 2 comprises a first rack 21, a second rack 22, a transmission gear 23 and a driving assembly, a placing groove 24 is formed in the fire-proof valve body 1, the transmission gear 23 is rotatably arranged in the placing groove 24, a first chute 25 and a second chute 26 which are communicated with the placing groove 24 are respectively arranged in the fire-proof valve body 1, and the first chute 25 and the second chute 26 are respectively communicated with the two abutting grooves 13; a first connecting block is fixedly arranged at one end, far away from the transmission gear, of the first rack 21, and the first rack 21 and the first connecting block are both arranged in the first chute 25 in a sliding manner; a second connecting block is fixedly arranged at one end, far away from the transmission gear, of the second rack 22, and the second rack 22 and the second connecting block are both arranged in a second chute 26 in a sliding manner; the first rack 21 and the second rack 22 are both meshed with the transmission gear 23, the first connecting block and the second connecting block are respectively and fixedly connected with the two abutting frames 12, and the driving assembly is used for driving the transmission gear 23 to rotate.

Referring to fig. 4 and 5, the driving assembly includes a first gear 3 and a rotating shaft 31, a receiving groove 32 communicated with the placing groove 24 is formed in the fire-proof valve body 1, a supporting block 33 is slidingly arranged in the receiving groove 32 along a sliding direction perpendicular to the first rack 21, a supporting groove is formed in a side wall of the supporting block 33, the first gear 3 is rotatably arranged in the supporting groove, an axial direction of the first gear 3 is parallel to an axial direction of the transmission gear 23, an axial direction of the transmission gear is parallel to a sliding direction of the supporting block 33, and the first gear 3 is used for meshing with the transmission gear 23; the pivot 31 is fixed with first gear 3 is coaxial, sets up on the lateral wall of holding groove 32 with the lateral wall intercommunication of fire prevention valve body 1 through-hole 34, pivot 31 rotates and sets up in through-hole 34, and pivot 31 and supporting shoe 33 rotate to be connected, and the one end that first gear 3 was kept away from to pivot 31 is fixed to be provided with the runner, and the runner rotates to set up on the lateral wall of fire prevention valve body 1.

Referring to fig. 4 and 5, a second gear 4 is fixedly arranged in the supporting groove, the second gear 4 is positioned at one end of the first gear 3 far away from the rotating shaft 31, the axial direction of the second gear 4 is parallel to the axial direction of the transmission gear 23, and the second gear 4 is used for meshing with the transmission gear 23; the support block 33 is provided with a second elastic piece for driving the second gear 4 to be meshed with the transmission gear 23, the second elastic piece comprises a tension spring 41, the side wall of the accommodating groove 32 is provided with an installation groove 42 communicated with the through hole 34, one end of the tension spring 41 is fixedly arranged on the side wall of the support block 33, the other end of the tension spring 41 is abutted with the side wall of the installation groove 42, and the tension spring 41 is sleeved on the rotating shaft 31; under the action of the tension spring 41, when the support block 33 abuts against the side wall of the accommodating groove 32, the second gear 4 is meshed with the transmission gear 23.

The implementation principle of the fire prevention valve convenient to maintain in this application embodiment is: when constructor needs to maintain impaired fire prevention valve body 1, constructor makes first gear 3 and transfer gear 23 meshing through sliding the runner in to fire prevention valve body 1, later rotate the runner on the fire prevention valve body 1 outer wall again to order about first gear 3 rotation, order about transfer gear 23 rotation when first gear 3 rotates, order about first rack 21 and second rack 22 to be close to each other when transfer gear 23 rotates, and drive two support tight frame 12 and break away from the air pipe of fire prevention valve body 1 both sides, later constructor demolish fire prevention valve body 1 from between the air pipe again.

After the constructor maintains impaired fire prevention valve body 1, place fire prevention valve body 1 between two air pipes, through sliding the runner to fire prevention valve body 1 in, make first gear 3 and transfer gear 23 meshing, afterwards rotate the runner on the fire prevention valve body 1 outer wall, thereby order about first gear 3 rotation, order about transfer gear 23 rotation when first gear 3 rotation, order about first rack 21 and second rack 22 keep away from each other when transfer gear 23 rotation, and drive two tight frame 12 cover of support and establish on the air pipe of fire prevention valve body 1 both sides, make second gear 4 and transfer gear 23 meshing through the effect of extension spring 41, realize the installation to impaired fire prevention valve body 1, thereby make the dismouting of fire prevention valve become convenient.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a fire prevention valve convenient to maintenance, includes fire prevention valve body (1), its characterized in that: the fire damper is characterized in that sliding grooves (11) are formed in two side walls of the fire damper body (1), two abutting frames (12) are slidably arranged in the sliding grooves (11) along the direction close to or far away from the fire damper body (1), the two abutting frames (12) are respectively arranged on two ventilation pipelines adjacent to the fire damper body (1) in a sleeved mode, and a driving mechanism (2) for driving the two abutting frames (12) to slide along the direction close to or far away from each other is arranged in the fire damper body (1).

2. A fire protection valve for easy maintenance according to claim 1, wherein: the utility model discloses a fire prevention valve body, including fire prevention valve body (1) and support tight frame (12), support tight frame (12) and keep away from one side of fire prevention valve body (1) and offered butt groove (13), the direction slip along being close to or keeping away from fire prevention valve body (1) in butt groove (13) is provided with supports tight piece (14), support tight piece (14) and be used for ventilating duct's outer wall to support tightly, be provided with in butt groove (13) and order about to support tight piece (14) along keeping away from the first elastic component that supports tight frame (12) direction moved.

3. A fire protection valve for easy maintenance according to claim 2, wherein: and rubber pads (15) are fixedly arranged at the ends, away from each other, of the two abutting blocks (14).

4. A fire protection valve for easy maintenance according to claim 3, wherein: the driving mechanism (2) comprises a first rack (21), a second rack (22), a conveying gear (23) and a driving assembly, wherein a placing groove (24) is formed in the fireproof valve body (1), the conveying gear (23) is rotatably arranged in the placing groove (24), a first chute (25) and a second chute (26) which are communicated with the placing groove (24) are respectively formed in the fireproof valve body (1), the first rack (21) is slidably arranged in the first chute (25), and the second rack (22) is slidably arranged in the second chute (26); the first rack (21) and the second rack (22) are both meshed with the transmission gear (23), the first rack (21) and the second rack (22) are respectively and fixedly connected with the two abutting frames (12), and the driving assembly is used for driving the transmission gear (23) to rotate.

5. The fire protection valve for easy maintenance according to claim 4, wherein: the driving assembly comprises a first gear (3) and a rotating shaft (31), a containing groove (32) communicated with the placing groove (24) is formed in the fireproof valve body (1), a supporting block (33) is slidably arranged in the containing groove (32) along the direction close to or far away from the bottom wall of the fireproof valve body (1), the first gear (3) is rotatably arranged on the supporting block (33), the axial direction of the first gear (3) is parallel to the axial direction of the conveying gear (23), and the first gear (3) is used for being meshed with the conveying gear (23); the rotary shaft (31) is coaxially fixed with the first gear (3), a through hole (34) communicated with the side wall of the fireproof valve body (1) is formed in the side wall of the accommodating groove (32), the rotary shaft (31) is rotatably arranged in the through hole (34), and the rotary shaft (31) is rotatably connected with the supporting block (33).

6. The fire protection valve of claim 5, wherein: the support block (33) is fixedly provided with a second gear (4), the axial direction of the second gear (4) is parallel to the axial direction of the transmission gear (23), the second gear (4) is used for being meshed with the transmission gear (23), and the support block (33) is provided with a second elastic piece for driving the second gear (4) to be meshed with the transmission gear (23).

7. The fire protection valve of claim 6, wherein: the second elastic piece comprises a tension spring (41), a mounting groove (42) communicated with the through hole (34) is formed in the side wall of the accommodating groove (32), one end of the tension spring (41) is fixedly arranged on the side wall of the supporting block (33), and the other end of the tension spring (41) is abutted to the side wall of the mounting groove (42).

8. A fire protection valve for easy maintenance according to claim 2, wherein: the two side walls of the abutting groove (13) gradually approach the abutting block (14) along the mutual approaching direction.