CN212360946U

CN212360946U - Connecting mechanism for fireproof check valve

Info

Publication number: CN212360946U
Application number: CN201922428577.3U
Authority: CN
Inventors: 张学金
Original assignee: Nanchang Jinying Ventilation Equipment Co ltd
Current assignee: Nanchang Jinying Ventilation Equipment Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2021-01-15
Anticipated expiration: 2029-12-28

Abstract

The utility model discloses a connecting mechanism for a fireproof check valve, which comprises a valve body and a connecting device, wherein the connecting device is arranged at the side end of the valve body, a sealing ring is arranged between a valve cover and a valve seat, smoke and the like are prevented from entering air under the condition that a valve block closes an exhaust port, sealing gaskets are arranged in inner cavities of a mounting hole, a mounting groove and a threaded mounting port, the sealing performance of the joint of two interfaces is improved, a folding pipeline between the pipelines has bending performance, and the bending at any angle can be realized, a cooling plate and a filter plate are arranged in the inner cavity of the pipeline, the smoke and the like entering the pipeline can be cooled and filtered, the cooling plate is arranged at one end close to the mounting plate, the pipeline is prevented from being damaged due to overhigh temperature when the smoke and the like enter the pipeline, the filter plate can filter harmful substances in the cooled smoke and the like, the harm is, the disassembly and the assembly of the folding pipeline are convenient, and the maintenance is also convenient.

Description

Connecting mechanism for fireproof check valve

Technical Field

The utility model relates to a check valve technical field specifically is a coupling mechanism for fire prevention check valve.

Background

The fireproof check valve comprises a valve body, a valve block, a torsion spring and a connecting rod, wherein the valve body is provided with an air inlet and an air outlet, the valve block is covered on the air outlet, one end of the connecting rod is rotatably connected with the valve body, the other end of the connecting rod is rotatably connected with the valve block, and when the torsion spring drives the connecting rod to rotate relative to the valve body, the valve block can close the air outlet.

The existing connecting mechanism for the fireproof check valve has poor sealing performance, low applicability and inconvenient maintenance in different environments.

The connecting mechanism for the fireproof check valve is provided with a sealing ring and a sealing gasket, the sealing performance of an interface joint is improved, a folding pipeline between pipelines has bending performance, and bending at any angle can be realized, a cooling plate and a filter plate are installed in an inner cavity of the pipeline, the cooling plate prevents flue gas and the like from being burnt to damage the pipelines due to overhigh temperature when entering the pipeline, the filter plate can filter harmful substances in the cooled flue gas and the like, the folding pipeline is connected with the pipelines through threads, the folding pipeline is convenient to detach and install, and meanwhile, later maintenance is convenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coupling mechanism for fire prevention check valve, be provided with sealing washer and seal gasket, improve interface connection department's leakproofness, folding pipeline between the pipeline has bending performance, and bending of any angle can all be realized, cooling plate and filter are installed to the inner chamber of pipeline, the too high bad pipeline that scalds of temperature when the cooling plate prevents the entering pipeline such as flue gas, the filter can filter harmful substance in the flue gas after the cooling etc. folding pipeline is through threaded connection pipeline, the folding pipeline's of being convenient for dismantlement and installation, the later maintenance of being convenient for simultaneously, sealing performance is poor in the background art has been solved, the problem of low and inconvenient maintenance of suitability when the environment of difference.

In order to achieve the above object, the utility model provides a following technical scheme: a connecting mechanism for a fireproof check valve comprises a valve body and a connecting device, wherein the connecting device is installed at the side end of the valve body, the valve body comprises a valve cover and a valve seat, the valve cover is installed at the upper end of the valve seat, a connecting plate is arranged at the side end of the valve seat, and a mounting hole is formed in the surface of the connecting plate;

the pipeline connecting device is characterized in that the connecting device is provided with a mounting plate, a pipeline and a folding pipeline at the side end, the mounting plate is installed at the side end of the connecting device, the pipeline is installed on the inner side of the mounting plate, and the folding pipeline is installed at the side end of the pipeline in a matched mode.

Further, a sealing ring is arranged between the valve cover and the valve seat.

Further, the mounting panel includes mounting groove and fixing bolt, the mounting groove has been seted up on the surface of mounting panel, fixing bolt is installed at the edge of mounting panel.

Further, sealing gaskets are arranged in the inner cavities of the mounting hole, the mounting groove and the thread mounting opening.

Further, the pipeline includes cooling plate, filter and screw thread installing port, cooling plate and filter are installed to the inner chamber of pipeline, the cooling plate is installed in the one end that is close to the mounting panel, the filter is installed in the one end that is close to folding pipeline, the screw thread installing port has been seted up to the side of pipeline.

Further, the side end of the folding pipeline is provided with a threaded nozzle.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model provides a pair of coupling mechanism for fire prevention check valve is provided with the sealing washer between valve gap and the disk seat, avoids flue gas etc. to close under the condition of gas vent at the valve block, gets into in the air, and seal gasket is all installed to the inner chamber of mounting hole, mounting groove and threaded mounting mouth, improves two interface connection department's leakproofness, has avoided the appearance of the leakage condition, promotes the air quality.

2. The utility model provides a pair of coupling mechanism for fire prevention check valve connects through folding pipe between the pipeline, and folding pipe has the performance of bending to bending of any angle can all realize, and is simple and convenient, improves the suitability of device.

3. The utility model provides a pair of coupling mechanism for fire prevention check valve, cooling plate and filter are installed to the inner chamber of pipeline, can cool off and filter flue gas etc. in the admission line, the one end near the mounting panel is installed to the cooling plate, the high temperature scalds bad pipeline during the admission line that prevents flue gas etc., the filter is installed in the one end near folding pipeline, the filter can filter harmful substance in the flue gas after the cooling etc., produce harm when preventing to leak, the threaded mounting mouth has been seted up to the side of pipeline, the side of folding pipeline is provided with the screw thread mouth of pipe, folding pipeline is through threaded connection pipeline, the dismantlement and the installation of the folding pipeline of being convenient for, the maintenance of also being convenient for, improve device's novelty.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connecting device of the present invention;

FIG. 3 is an enlarged view of FIG. 1A of the present invention;

fig. 4 is an enlarged view of fig. 2B of the present invention.

In the figure: 1. a valve body; 11. a valve cover; 12. a valve seat; 13. a seal ring; 14. a connecting plate; 141. mounting holes; 2. a connecting device; 21. mounting a plate; 211. mounting grooves; 212. fixing the bolt; 22. a pipeline; 221. a cooling plate; 222. a filter plate; 223. a threaded mounting port; 23. folding the pipeline; 231. a threaded pipe orifice; 3. a gasket seal.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a connecting mechanism for a fireproof check valve comprises a valve body 1 and a connecting device 2, the connecting device 2 is installed at the side end of the valve body 1, the valve body 1 comprises a valve cover 11 and a valve seat 12, the valve cover 11 is installed at the upper end of the valve seat 12, a sealing ring 13 is arranged between the valve cover 11 and the valve seat 12, smoke and the like are prevented from entering air under the condition that an exhaust port is closed by a valve plate, a connecting plate 14 is arranged at the side end of the valve seat 12, an installation hole 141 is formed in the surface of the connecting plate 14, and the connecting device 2 is.

The side end of the connecting device 2 is provided with a mounting plate 21, a pipeline 22 and a folding pipeline 23, the mounting plate 21 is mounted at the side end of the connecting device 2, the mounting plate 21 comprises a mounting groove 211 and a fixing bolt 212, the mounting groove 211 is formed in the surface of the mounting plate 21, the fixing bolt 212 is mounted at the edge of the mounting plate 21, the pipeline 22 is mounted at the inner side of the mounting plate 21, the pipeline 22 comprises a cooling plate 221, a filter plate 222 and a thread mounting port 223, the cooling plate 221 and the filter plate 222 are mounted in the inner cavity of the pipeline 22 and can cool and filter smoke and the like entering the pipeline 22, the cooling plate 221 is mounted at one end close to the mounting plate 21 and can prevent the pipeline 22 from being damaged due to overhigh temperature when the smoke and the like enter the pipeline, the filter plate 222 is mounted at one end close to the folding pipeline 23, the filter plate 222 can filter harmful, folding pipeline 23 is installed in the side cooperation of pipeline 22, connect through folding pipeline 23 between the pipeline 22, folding pipeline 23 has bending performance, and bending of any angle can all be realized, and is simple and convenient, improve device's suitability, folding pipeline 23's side is provided with threaded pipe mouth 231, folding pipeline 23 is through threaded connection pipeline 22, the dismantlement and the installation of folding pipeline 23 of being convenient for, also be convenient for maintain, improve device's novelty, mounting hole 141, seal gasket 3 is all installed to mounting groove 211 and threaded mounting mouth 223's inner chamber, improve two interface connection department's leakproofness, the appearance of the leakage condition has been avoided, promote the air quality.

In summary, the following steps: the utility model provides a coupling mechanism for fire prevention check valve, including valve body 1 and connecting device 2, connecting device 2 is installed to the side of valve body 1, be provided with sealing washer 13 between valve gap 11 and the disk seat 12, avoid flue gas etc. under the condition that the valve block closed the gas vent, get into the air, mounting hole 141, mounting groove 211 and the inner chamber of screw thread installing port 223 all install seal gasket 3, improve the leakproofness of two interface junction, avoid the appearance of leakage condition, promote the air quality, connect through folding pipeline 23 between the pipeline 22, folding pipeline 23 has the bending performance, and the bending of any angle can be realized, and is simple and convenient, improve the suitability of device, cooling plate 221 and filter plate 222 are installed to the inner chamber of pipeline 22, can cool off and filter flue gas etc. in getting into pipeline 22, cooling plate 221 is installed in the one end that is close to mounting panel 21, prevent too high bad pipeline 22 of scalding of temperature during getting into the pipeline such as flue gas, the filter 222 is installed in the one end that is close to folding pipeline 23, the filter 222 can filter harmful substance in the flue gas after the cooling etc., produce harm when preventing to leak, threaded mounting opening 223 has been seted up to the side of pipeline 22, folding pipeline 23's side is provided with threaded pipe orifice 231, folding pipeline 23 is through threaded connection pipeline 22, be convenient for folding pipeline 23's dismantlement and installation, also be convenient for maintain, the novelty of improvement device.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a coupling mechanism for fire prevention check valve, includes valve body (1) and connecting device (2), its characterized in that are installed to the side of valve body (1): the valve body (1) comprises a valve cover (11) and a valve seat (12), the valve cover (11) is installed at the upper end of the valve seat (12), a connecting plate (14) is arranged at the side end of the valve seat (12), and a mounting hole (141) is formed in the surface of the connecting plate (14);

the side of connecting device (2) is provided with mounting panel (21), pipeline (22) and folding pipeline (23), mounting panel (21) are installed to the side of connecting device (2), and pipeline (22) are installed to the inboard of mounting panel (21), and folding pipeline (23) are installed in the side cooperation of pipeline (22).

2. The connecting mechanism for a fire check valve as recited in claim 1, wherein: and a sealing ring (13) is arranged between the valve cover (11) and the valve seat (12).

3. The connecting mechanism for a fire check valve as recited in claim 1, wherein: the mounting panel (21) includes mounting groove (211) and fixing bolt (212), mounting groove (211) have been seted up on the surface of mounting panel (21), fixing bolt (212) are installed at the edge of mounting panel (21).

4. The connecting mechanism for a fire check valve as recited in claim 1, wherein: and sealing gaskets (3) are respectively arranged in the inner cavities of the mounting holes (141), the mounting grooves (211) and the thread mounting openings (223).

5. The connecting mechanism for a fire check valve as recited in claim 1, wherein: pipeline (22) are including cooling plate (221), filter (222) and screw thread installing port (223), cooling plate (221) and filter (222) are installed to the inner chamber of pipeline (22), cooling plate (221) are installed and are being close to the one end of mounting panel (21), the one end near folding pipeline (23) is installed in filter (222), screw thread installing port (223) have been seted up to the side of pipeline (22).

6. The connecting mechanism for a fire check valve as recited in claim 1, wherein: the side end of the folding pipeline (23) is provided with a threaded nozzle (231).