CN217898939U

CN217898939U - Fire prevention valve convenient to installation

Info

Publication number: CN217898939U
Application number: CN202222369149.XU
Authority: CN
Inventors: 黄先政
Original assignee: Sichuan Xinmu Ventilation Equipment Co ltd
Current assignee: Sichuan Xinmu Ventilation Equipment Co ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2022-11-25
Anticipated expiration: 2032-09-06

Abstract

The application relates to a fire damper convenient to install, which comprises a fire damper body, wherein sleeves are sleeved at two ends of the fire damper body, the two sleeves are connected with the fire damper body in a sliding manner, and the two sleeves are respectively sleeved on two ventilation pipelines adjacent to the fire damper body; and two limiting assemblies used for preventing the sleeves from sliding are arranged on the sleeves. This application has the effect that makes the installation of fire prevention valve become convenient.

Description

Fire prevention valve convenient to installation

Technical Field

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

Background

The fire valve is a fire valve, generally installs in sending back wind system or air conditioning system, by the state of opening at ordinary times city, opens when taking place the conflagration and discharges fume, closes when flue gas temperature reaches 280 degrees in the exhaust pipe to satisfy in a certain time and leak cigarette volume and fire-resistant integrality requirement, play and separate the effect of cigarette back-fire relief.

At present, the installation of fire prevention valve is generally along seting up a plurality of through-holes outside air pipe and fire prevention valve framework, places the fire prevention valve between two adjacent air pipe, makes the through-hole on the outer edge of fire prevention valve and air pipe's through-hole one-to-one, then wears to locate two through-holes with the bolt and is connected fixedly with the nut.

However, the positions of the ventilating ducts on the two sides of the fire damper are fixed, after the fire damper is fixedly connected with the ventilating duct at one end, a certain gap can exist between the fire damper and the ventilating duct at the other end, and after the fire damper and the ventilating duct at the other end are fixed, sealant or iron sheet is used for plugging the gap between the fire damper and the ventilating duct, so that the fire damper is inconvenient to install.

SUMMERY OF THE UTILITY MODEL

In order to make the installation of fire prevention valve become convenient, this application provides a fire prevention valve convenient to installation.

The application provides a pair of fire prevention valve convenient to installation adopts following technical scheme:

a fire damper convenient to install comprises a fire damper body, wherein sleeves are sleeved at two ends of the fire damper body, the two sleeves are connected with the fire damper body in a sliding mode, and the two sleeves are respectively used for being sleeved on two ventilation pipelines adjacent to the fire damper body; and two limiting assemblies for preventing the sleeve from sliding are arranged on the sleeves.

By adopting the technical scheme, when the fire damper is installed, the fire damper body is firstly placed between two adjacent ventilation pipelines, then the sleeves at two ends of the fire damper body are respectively sleeved in a sliding manner, so that the two sleeves are respectively sleeved on the two adjacent ventilation pipelines, and the sliding of the two sleeves is respectively limited by the limiting assembly, thereby realizing the installation of the fire damper body; the setting through the sleeve makes the fire prevention valve body can stretch out and draw back according to the interval distance between air pipe and the fire prevention valve body and adjust to the gap between shutoff fire prevention valve body and the air pipe.

Optionally, two one end that the sleeve is close to each other all fixedly is provided with the bellows, two the bellows all overlaps and establishes on the fire prevention valve body and with fire prevention valve body fixed connection.

Through adopting above-mentioned technical scheme, establish on the fire prevention valve body through bellows cover, can effectively prevent that air pipe's air current from flowing from the gap that sleeve and fire prevention valve are connected.

Optionally, two all fixed annular blocks that are provided with on telescopic inner wall, two annular block keeps away from telescopic one end and all fixedly is provided with sealed the pad, two sealed pad all is used for with air pipe looks butt.

Through adopting above-mentioned technical scheme, through the outer wall butt of annular piece with air pipe to through sealed inboard wall butt of filling up with air pipe, can prevent effectively that air pipe's air current from flowing from the gap department that sleeve and air pipe are connected, further promoted the seal.

Optionally, the limiting assembly comprises a limiting block and a driving piece, a limiting groove is formed in the inner wall of the sleeve, the limiting block slides in the limiting groove along the direction close to or far away from the fire damper body, a plurality of tooth grooves for inserting the limiting block are formed in the side wall of the fire damper body, and the driving piece is used for driving the limiting block to slide.

Through adopting above-mentioned technical scheme, sealed the pad on the sleeve inner wall and air pipe looks butt back, orders about the stopper through the driving piece and slides along the direction that is close to the fire prevention valve body to order about in the stopper inserts the tooth's socket on the fire prevention valve body, thereby prevent that the sleeve slides.

Optionally, the driving part includes a limiting bolt, a threaded hole communicated with the limiting groove is formed in the side wall of the sleeve and along the sliding direction of the limiting block, the limiting bolt is matched with the threaded hole, the limiting bolt penetrates through the threaded hole and is in threaded connection with the sleeve, and the limiting bolt is rotatably connected with the limiting block.

Through adopting above-mentioned technical scheme, rotate spacing bolt through constructor, because spacing bolt and sleeve threaded connection, and spacing bolt and stopper rotate, order about the stopper when rotating spacing bolt and slide along the direction of keeping away from or being close to the fire prevention valve body.

Optionally, the limiting block includes a sliding section and an insertion section, the insertion section is disposed at one end of the sliding section far away from the sleeve, two side walls of the insertion section gradually approach to each other along a direction far away from the sliding section, and the tooth socket is adapted to the insertion section.

By adopting the technical scheme, the limiting block insertion section is matched with the tooth socket, and the two side walls of the insertion section are gradually close to each other along the direction far away from the sliding section, so that the limiting block can be conveniently inserted into the tooth socket to a certain extent.

Optionally, both ends of the fire damper body are provided with elastic pieces used for driving the two sleeves to move along the direction far away from the fire damper body.

Through adopting above-mentioned technical scheme, make two sleeves all have the trend along the direction motion of keeping away from the fire prevention valve body through the elastic component.

Optionally, the size of the nozzle at one end of the two sleeves far away from the fire damper body is gradually increased along the direction far away from the fire damper body.

Through adopting above-mentioned technical scheme, through the setting that the nozzle is not of uniform size on the sleeve, the sleeve cover of being convenient for to a certain extent is located on air pipe.

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

1. when the fire damper is installed, the fire damper body is firstly placed between two adjacent ventilation pipelines, then the sleeves sleeved at two ends of the fire damper body are respectively sleeved in a sliding manner, so that the two sleeves are respectively sleeved on the two adjacent ventilation pipelines, and the sliding of the two sleeves is respectively limited by the limiting assemblies, thereby realizing the installation of the fire damper body; the fireproof valve body can be telescopically adjusted according to the spacing distance between the ventilating duct and the fireproof valve body through the arrangement of the sleeve, so that a gap between the fireproof valve body and the ventilating duct is blocked;

2. the corrugated pipe is sleeved on the fire-proof valve body, so that the airflow of the ventilating duct can be effectively prevented from flowing out from a gap where the sleeve is connected with the fire-proof valve;

3. rotate limit bolt through constructor, because limit bolt and sleeve threaded connection, and limit bolt and stopper rotate, order about the stopper when rotating limit bolt and slide along the direction of keeping away from or being close to the fire prevention valve body.

Drawings

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

FIG. 2 is a partial cross-sectional view of the structure of the embodiment of the present application, mainly illustrating the structure inside the sleeve;

FIG. 3 is an enlarged view of a portion of the structure of the embodiment of the present application, mainly illustrating the elastic member;

fig. 4 is a partial structural sectional view of the embodiment of the present application, and is mainly used for illustrating a limiting assembly.

Description of reference numerals: 1. a fire damper body; 11. a drop-proof groove; 12. a fixed block; 13. a tooth socket; 2. a sleeve; 21. a ring block; 22. a gasket; 23. an anti-drop block; 24. an elastic member; 3. a limiting component; 31. a limiting block; 311. a sliding section; 312. an insertion section; 32. a limiting groove; 33. a limit bolt; 331. a disc block; 34. a threaded hole; 4. a bellows.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses fire prevention valve convenient to installation. Referring to fig. 1, the fire damper comprises a fire damper body 1, wherein sleeves 2 are sleeved at two ends of the fire damper body 1, and the inner walls of the two sleeves 2 are matched with the side wall of the fire damper body 1; the two sleeves 2 are both connected with the fire damper body 1 in a sliding manner; the two sleeves 2 are respectively used for being sleeved on two air ducts adjacent to the fire damper body 1, and the inner walls of the two sleeves 2 are matched with the air ducts on two sides of the fire damper body 1.

Referring to fig. 2, all fixedly on the inside wall of two sleeves 2 be provided with anticreep piece 23, the both ends of fire prevention valve body 1 and all seted up anticreep groove 11 along sleeve 2's slip direction, and two anticreep pieces 23 slide respectively and set up in two anticreep grooves 11.

Referring to fig. 2 and 3, corrugated pipes 4 are fixedly arranged at the ends of the two sleeves 2 close to each other, and the ends of the two corrugated pipes 4 far away from the sleeves 2 are sleeved on the fire damper body 1 and are fixedly connected with the fire damper body 1; the two ends of the fire damper body 1 are respectively provided with an elastic part 24 for driving the two sleeves 2 to move along the direction far away from the fire damper body 1, the elastic parts 24 comprise pressure springs, and the pressure springs are provided with a plurality of outer side walls which are respectively distributed around the two ends of the fire damper body 1; all fixedly on the lateral wall at 1 both ends of fire prevention valve body be provided with a plurality of fixed blocks 12, a plurality of fixed blocks 12 all are located between sleeve 2 and the bellows 4, and a plurality of fixed blocks encircle the lateral wall distribution at 1 both ends of fire prevention valve body respectively, and the one end of pressure spring is fixed to be set up on one side of bellows 4 is kept away from to fixed block 12, and the other end of pressure spring is fixed to be set up in one side that sleeve 2 is close to fixed block 12.

Referring to fig. 2, the inner walls of the two sleeves 2 at the ends far away from the fire damper body 1 are both fixedly provided with annular blocks 21, the ends of the two annular blocks 21 far away from the sleeves 2 are both fixedly provided with sealing gaskets 22, and the two sealing gaskets 22 are both used for abutting against the end face of the ventilation pipeline close to the fire damper body 1; the size of the opening of one end of the two sleeves 2 far away from the fire damper body 1 is gradually increased along the direction far away from the fire damper body 1.

Referring to fig. 2 and 4, two sleeves 2 are provided with limiting assemblies 3 for preventing the sleeves 2 from sliding, each limiting assembly 3 includes a limiting block 31 and a driving member, a limiting groove 32 is formed in the inner wall of each sleeve 2 and is arranged in the corresponding limiting groove 32 along the direction perpendicular to the inner wall of each sleeve 2, each limiting block 31 is arranged in the corresponding limiting groove 32 along the direction close to or away from the corresponding fire damper body 1 in a sliding manner, a plurality of tooth sockets 13 for inserting the limiting blocks 31 are formed in the side wall of each fire damper body 1, the plurality of tooth sockets 13 are continuously distributed on the side wall of each fire damper body 1, each limiting block 31 includes a sliding section 311 and an insertion section 312, the insertion section 312 is fixedly arranged at one end, far away from the corresponding sleeve 2, of each sliding section 311, two side walls of the insertion section 312 are gradually close to each other along the direction far away from the corresponding sliding section 311, the tooth sockets 13 are matched with the insertion sections 312, and the driving members are used for driving the corresponding limiting blocks 31 to slide.

Referring to fig. 2 and 4, the driving member includes a limiting bolt 33, a threaded hole 34 communicated with a limiting groove 32 is formed in the side wall of the sleeve 2 and along the sliding direction of the limiting block 31, the limiting bolt 33 is matched with the threaded hole 34, the limiting bolt 33 is arranged in the threaded hole 34 and in threaded connection with the sleeve 2, the limiting bolt 33 is rotatably connected with a sliding section 311 of the limiting block 31, one end of the sliding section 311, which is far away from the insertion section 312, is provided with a through hole along the sliding direction of the limiting block 31, the through hole is used for the limiting bolt 33 to pass through, an annular groove communicated with the through hole is formed in the sliding section 311, a disc block 331 is arranged in the annular groove in a rotating mode, and the disc block 331 is fixedly connected with the limiting bolt 33.

The implementation principle of the fire prevention valve convenient to installation of this application embodiment does: when the fire damper is installed, the fire damper body 1 is placed between two adjacent ventilation pipelines, and then the limiting bolts 33 on the two sleeves 2 are respectively rotated, so that the insertion sections 312 of the two limiting blocks 31 are respectively separated from the tooth grooves 13 on the fire damper body 1; driving the two sleeves 2 to slide along the direction far away from the fire damper body 1 through the two pressure springs, so that the two sleeves 2 are respectively sleeved on the two adjacent ventilation pipelines; then, the limit bolts 33 on the two sleeves 2 are respectively rotated, so that the insertion sections 312 of the two limit blocks 31 are respectively inserted into the tooth grooves 13 on the fire damper body 1, and the installation of the fire damper is realized; the setting through sleeve 2 makes the fire prevention valve can stretch out and draw back the regulation according to the interval distance between air pipe and the fire prevention valve to the gap between shutoff fire prevention valve body and the air pipe.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a fire prevention valve convenient to installation, includes fire prevention valve body (1), its characterized in that: sleeves (2) are sleeved at two ends of the fire damper body (1), the two sleeves (2) are connected with the fire damper body (1) in a sliding mode, and the two sleeves (2) are respectively sleeved on two ventilation pipelines adjacent to the fire damper body (1); and the two sleeves (2) are provided with limiting assemblies (3) for preventing the sleeves (2) from sliding.

2. A fire damper of easy installation as claimed in claim 1, wherein: two bellows (4) are all fixedly arranged at the one end that sleeve (2) are close to each other, two bellows (4) are all established on fire prevention valve body (1) and with fire prevention valve body (1) fixed connection.

3. A fire damper of easy installation as claimed in claim 1, wherein: two all fixed annular piece (21) that are provided with on sleeve (2) inner wall, two the one end that fire prevention valve body (1) was kept away from in annular piece (21) is all fixed and is provided with sealed pad (22), two sealed pad (22) all are used for with air pipe looks butt.

4. A fire damper as claimed in claim 1, wherein: spacing subassembly (3) include stopper (31) and driving piece, spacing groove (32) have been seted up on the inner wall of sleeve (2), stopper (31) slide along the direction of being close to or keeping away from fire prevention valve body (1) and set up in spacing groove (32), a plurality of confession stopper (31) male tooth's socket (13) have been seted up on the lateral wall of fire prevention valve body (1), the driving piece is used for ordering about stopper (31) and slides.

5. A fire damper of claim 4, wherein: the driving piece comprises a limiting bolt (33), a threaded hole (34) communicated with a limiting groove (32) is formed in the side wall of the sleeve (2) and along the sliding direction of the limiting block (31), the limiting bolt (33) is matched with the threaded hole (34), the limiting bolt (33) is arranged in the threaded hole (34) and connected with the sleeve (2) in a penetrating mode, and the limiting bolt (33) is connected with the limiting block (31) in a rotating mode.

6. A fire damper as claimed in claim 5, wherein: the limiting block (31) comprises a sliding section (311) and an inserting section (312), the inserting section (312) is arranged at one end, far away from the sleeve (2), of the sliding section (311), two side walls of the inserting section (312) are gradually close to each other along the direction far away from the sliding section (311), and the tooth grooves (13) are matched with the inserting section (312).

7. A fire damper as claimed in claim 1, wherein: the two ends of the fire damper body (1) are provided with elastic pieces (24) used for driving the two sleeves (2) to move along the direction far away from the fire damper body (1).

8. A fire damper of claim 7, wherein: the size of the opening of one end, far away from the fire damper body (1), of the sleeve (2) is gradually increased along the direction far away from the fire damper body (1).