CN214158917U

CN214158917U - Fireproof regulating valve

Info

Publication number: CN214158917U
Application number: CN202023082220.3U
Authority: CN
Inventors: 袁健; 彭超
Original assignee: Wuhan Zhonghan Hvac Equipment Co ltd
Current assignee: Wuhan Zhonghan Hvac Equipment Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-09-10
Anticipated expiration: 2030-12-18

Abstract

The utility model relates to a fire prevention governing valve relates to the field of fire prevention valve, its include the valve body and rotate connect in the valve plate of valve body inner wall, the inner wall of valve body in the valve plate both sides all are provided with the installation piece, two of valve plate one side the installation piece is located the relative both sides of valve body inner wall, two be provided with the filter screen between the installation piece, the limit is strengthened to the periphery side fixedly connected with of filter screen, strengthen the equal fixedly connected with connecting block in both sides on limit, seted up on the installation piece with the draw-in groove of installation piece adaptation, the installation piece is provided with and is used for fixing the mounting of connecting block. This application carries out separation, absorption to dust and impurity through set up detachable filter screen in the valve body, has the effect of guaranteeing that the valve plate can normal operating.

Description

Fireproof regulating valve

Technical Field

The application relates to the field of fire prevention valves, especially to a fire prevention governing valve.

Background

The existing fire damper is a valve installed on a delivery pipeline and a return pipeline of a ventilation and air conditioning system, is in an open state at ordinary times, is closed when the temperature of smoke in the pipeline reaches a certain temperature during a fire disaster, can meet the requirements of smoke leakage amount and fire resistance integrity within a certain time, and plays a role in smoke insulation and fire resistance. The fire-proof valve generally comprises a valve body, a blade, an actuating mechanism, a temperature sensor and other components. The action temperature of the fire damper can be adjusted according to the installation place.

The traditional Chinese patent with the patent application number of CN201720598562.X provides a fire-proof valve, and the key points of the technical scheme of the fire-proof valve comprise a valve body, a plurality of valve plates and a driving part, wherein the valve plates and the driving part are rotatably connected to the inner wall of the valve body, sealing plates which are abutted against the side walls of the valve plates are fixedly arranged on the inner walls of two sides of the valve body perpendicular to the valve plates, the sealing plates have elasticity, and the cross section is in an arc shape which is convex outwards when the sealing plates are not stressed.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the positions of the valve plate and the sealing plate are easy to adsorb and accumulate dust in the using process, and the valve plate is influenced to normally rotate under the driving of the executing component after more dust is accumulated.

SUMMERY OF THE UTILITY MODEL

In order to improve the easy more dust of accumulation of valve plate department and influence normal operating's problem, this application provides a fire prevention governing valve.

The application provides a fire prevention governing valve adopts following technical scheme:

the utility model provides a fire prevention governing valve, include the valve body and rotate connect in the valve plate of valve body inner wall, its characterized in that: the inner wall of valve body in the valve plate both sides all are provided with the installation piece, two be provided with the filter screen between the installation piece, the periphery side fixedly connected with of filter screen strengthens the limit, strengthen the equal fixedly connected with connecting block in both sides on limit, set up on the installation piece with the draw-in groove of installation piece adaptation, the installation piece is provided with and is used for fixing the mounting of connecting block.

Through adopting above-mentioned technical scheme, the valve body inner wall in valve plate both sides is provided with the installation piece, in the connecting block joint of filter screen both sides was in the draw-in groove on the installation piece of both sides, the mounting was fixed in the draw-in groove with the connecting block to realized in being fixed in the valve body with the filter screen, the filter screen will be filtered and adsorb through impurity such as the dust of valve body, and the dust of being attached to valve plate and valve plate rotation department that has significantly reduced has guaranteed that the valve plate can normal operating.

Optionally, the upper side wall of the clamping groove is provided with a first accommodating hole communicated with the clamping groove, the lower side wall of the clamping groove is provided with a second accommodating hole communicated with the clamping groove, the first accommodating hole and the second accommodating hole are coaxial, the fixing part is arranged to be arranged in a sliding mode on a barrier strip in the first accommodating hole, and the barrier strip limits the connecting block in the clamping groove.

Through adopting above-mentioned technical scheme, with the connecting block joint in the draw-in groove after with the blend stop slide to one end from first accommodation hole peg graft in the second accommodation hole, the blend stop is with the spacing draw-in groove that is fixed in of connecting block to realized being fixed in the installation piece with the filter screen on.

Optionally, the mounting block is provided with an adjusting groove coaxial with the barrier strip, the adjusting groove is communicated with the first accommodating hole, two ends of the adjusting groove are sealed, the barrier strip is fixedly connected with a shifting rod, and the shifting rod slides in the adjusting groove.

Through adopting above-mentioned technical scheme, slide along the adjustment tank through stirring the driving lever and be convenient for drive blend stop and slide along first accommodation hole and second accommodation hole, convenient operation.

Optionally, a first spring is arranged in the first accommodating hole, one end of the first spring is fixedly connected with one end of the barrier strip, the other end of the first spring is fixedly connected with the inner wall of one end, far away from the clamping groove, of the first accommodating hole, and the barrier strip is inserted into the accommodating hole when the first spring is in a natural state.

Through adopting above-mentioned technical scheme, the spring is in compression state when sliding into first holding hole completely with the blend stop, and first spring resumes to original state direct drive blend stop and slides into the second holding hole behind the draw-in groove with the connecting block joint, and easy to assemble slides back the blend stop in first holding hole when the filter screen is dismantled to needs, can follow the draw-in groove with the connecting block and take out, and then takes out the filter screen.

Optionally, a connecting rod is fixedly connected between the shift rods on two sides of the inner wall of the valve body.

Through adopting above-mentioned technical scheme, the connecting rod is connected the driving lever of both sides, adjusts the driving lever position of both sides simultaneously through stirring the connecting rod, and the convenience is installed and is dismantled the filter screen.

Optionally, the inner wall of the clamping groove in the airflow direction is provided with a telescopic hole, an elastic block is elastically arranged in the telescopic hole, and the elastic block is abutted to the connecting block.

Through adopting above-mentioned technical scheme, when dismantling the filter screen, the bullet piece can directly pop out the connecting block from the draw-in groove in, and then pops out the filter screen, and the convenience is dismantled the filter screen.

Optionally, a second spring is arranged in the telescopic hole, one end of the second spring is fixedly connected with the bottom wall of the telescopic hole, the other end of the second spring is fixedly connected with the elastic block, and the elastic block extends out of the telescopic hole when the second spring is in a natural state.

Through adopting above-mentioned technical scheme, the blend stop is located the second and holds downthehole second spring by the compression withdrawal telescopic hole, with the blend stop slip first when holding downthehole, the second spring reconversion drive bullet piece of compressed pops out the connecting block from the draw-in groove in, and then makes the filter screen directly popped out, conveniently dismantles the filter screen.

Optionally, a buffer pad is fixedly connected to one side of the barrier strip, which is abutted to the reinforcing edge.

Through adopting above-mentioned technical scheme, blotter and enhancement limit butt when the blend stop slides in the second holds downthehole, the blotter takes place deformation will strengthen the limit and support tightly for in the filter screen was firmly fixed in the draw-in groove, the filter screen can not take place not hard up, has also reduced the noise when moving.

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

1. the filter screen is arranged in the valve body by arranging the mounting block in the valve body, and the filter screen filters and adsorbs impurities such as dust passing through the valve body, so that dust attached to the valve plate and the rotating part of the valve plate is greatly reduced, the normal operation of the valve plate is ensured, and the accuracy of the valve body is ensured;

2. the connecting block is fixed in the clamping groove through the barrier strips arranged in the first accommodating hole and the second accommodating hole in a sliding mode, and the elastic blocks arranged in the telescopic holes can eject the connecting block after the barrier strips are slid open, so that the filter screen can be conveniently detached.

Drawings

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

FIG. 2 is a schematic view of a partial cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a partially enlarged schematic view of a portion B in fig. 1.

Reference numerals: 1. a valve body; 2. a valve plate; 3. an execution component; 4. mounting blocks; 5. filtering with a screen; 6. a reinforcing edge; 7. connecting blocks; 8. a card slot; 9. a first accommodation hole; 10. a second accommodation hole; 11. blocking strips; 12. a first spring; 13. an adjustment groove; 14. a deflector rod; 15. a connecting rod; 16. a telescopic hole; 17. a second spring; 18. and (6) a spring block.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses fire prevention governing valve. Referring to fig. 1 and 2, the fire prevention governing valve includes valve body 1 and rotates the valve plate 2 of connecting in 1 inner wall of valve body, be provided with drive valve plate 2 pivoted executive component 3 on the valve body 1, valve body 1 is in the equal fixedly connected with installation piece 4 in the both sides of valve plate 2, installation piece 4 is unanimous with the ascending size in the vertical side of 1 inner wall of valve body, be fixed with filter screen 5 between two installation pieces 4, the periphery side fixedly connected with of filter screen 5 is convenient for the enhancement limit 6 of installation, strengthen the limit 6 and the inner wall and the installation piece 4 butt of valve body 1.

Referring to fig. 2 and 3, in order to realize the fixing of filter screen 5, strengthen both sides fixedly connected with connecting block 7 of limit 6, install and offer the draw-in groove 8 that corresponds with connecting block 7 position on the piece 4, connecting block 7 joint is in draw-in groove 8, first accommodation hole 9 with the draw-in groove 8 intercommunication is offered to the last lateral wall of draw-in groove 8, second accommodation hole 10 with the draw-in groove 8 intercommunication is offered to the lower lateral wall of draw-in groove 8, first accommodation hole 9 and second accommodation hole 10 are coaxial, installation piece 4 is provided with the mounting that is used for fixed connection piece 7, the mounting sets up to sliding the blend stop 11 that sets up in first accommodation hole 9, with 7 joints of connecting block after in draw-in groove 8 with blend stop 11 slide to one end peg graft in second accommodation hole 10 from first accommodation hole 9, blend stop 11 is with 7 spacing fixes in draw-in groove 8 of connecting block, thereby realized being fixed in on installation piece 4 with filter screen 5.

In order to conveniently mount and fix the filter screen 5, one end of the barrier strip 11 inserted in the first accommodating hole 9 is fixedly connected with a first spring 12 whose axis is along the first accommodating hole 9, one end of the first spring 12 is fixedly connected with one end of the barrier strip 11, and the other end is fixedly connected with the inner wall of one end of the first accommodating hole 9 far away from the clamping groove 8, the barrier strip 11 is inserted in the accommodating hole when the first spring 12 is in a natural state, the mounting block 4 is provided with an adjusting groove 13 coaxial with the barrier strip 11, two ends of the adjusting groove 13 are closed, the adjusting groove 13 is communicated with the first accommodating hole 9, the barrier strip 11 is fixedly connected with a deflector rod 14, the deflector rod 14 extends out of the adjusting groove 13 and can slide along the adjusting groove 13, a connecting rod 15 is fixedly connected between the deflector rods 14 on two sides, the spring is in a compressed state when the barrier strip 11 is completely slid into the first accommodating hole 9, after the connecting block 7 is clamped in the clamping groove 8, the first spring 12 is restored to an original state to directly drive the barrier strip 11 to slide into the second accommodating hole 10, easy to assemble stirs connecting rod 15 when filter screen 5 is dismantled to needs and slides back in first accommodation hole 9 with blend stop 11, can take out connecting block 7 from draw-in groove 8, and then takes out filter screen 5.

Referring to fig. 3, in order to take out filter screen 5, telescopic hole 16 has been seted up towards the direction of air inlet and air-out to the draw-in groove 8 of 2 both sides of valve plate, and telescopic hole 16 keeps away from the inner wall fixedly connected with second spring 17 of draw-in groove 8 one end, and the other end fixedly connected with of second spring 17 slide set up in bullet piece 18 in the telescopic hole 16, when blend stop 11 is fixed in draw-in groove 8 with connecting block 7 in, second spring 17 is compressed, and bullet piece 18 and connecting block 7 butt slide the blend stop 11 back, and second spring 17 resumes to former length and pops out connecting block 7, is about to pop out filter screen 5, conveniently dismantles filter screen 5.

One side fixedly connected with blotter of blend stop 11 and enhancement limit 6 butt, the blotter adopts elastic material for example rubber to make, in the time of blend stop 11 slips into second accommodation hole 10 blotter and enhancement limit 6 butt, the blotter takes place deformation will strengthen limit 6 and support tightly for filter screen 5 by firm being fixed in draw-in groove 8 in, filter screen 5 can not take place not hard up, noise when also having reduced the operation.

The implementation principle of this application embodiment fire prevention governing valve does: be provided with installation piece 4 at the 1 inner wall of valve body of 2 both sides of valve plate, in the draw-in groove 8 on installation piece 4 of both sides of connecting block 7 joint of 5 both sides of filter screen, blend stop 11 seals draw-in groove 8 and then is fixed in draw-in groove 8 with connecting block 7, thereby realized being fixed in valve body 1 with filter screen 5, filter screen 5 will filter and adsorb through impurity such as the dust of valve body 1, the dust of the department of valve plate 2 and the valve plate 2 rotation that has attached to that has significantly reduced, valve plate 2 can normal operating has been guaranteed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the 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 governing valve, includes valve body (1) and rotate connect in valve plate (2) of valve body (1) inner wall, its characterized in that: the inner wall of valve body (1) in valve plate (2) both sides all are provided with installation piece (4), two be provided with filter screen (5) between installation piece (4), limit (6) are strengthened to the periphery side fixedly connected with of filter screen (5), strengthen the equal fixedly connected with connecting block (7) in both sides of limit (6), set up on installation piece (4) with draw-in groove (8) of installation piece (4) adaptation, installation piece (4) are provided with and are used for fixing the mounting of connecting block (7).

2. The fire protection regulating valve of claim 1, wherein: the utility model discloses a fixing piece, including draw-in groove (8), first accommodation hole (9) that draw-in groove (8) go up the lateral wall seted up with draw-in groove (8) intercommunication, the lower lateral wall of draw-in groove (8) seted up with second accommodation hole (10) of draw-in groove (8) intercommunication, first accommodation hole (9) and second accommodation hole (10) are coaxial, the mounting set up to slide set up in blend stop (11) in first accommodation hole (9), blend stop (11) will connecting block (7) are spacing in draw-in groove (8).

3. The fire protection regulating valve of claim 2, wherein: the mounting block (4) is provided with an adjusting groove (13) coaxial with the barrier strip (11), the adjusting groove (13) is communicated with the first accommodating hole (9), two ends of the adjusting groove are sealed, the barrier strip (11) is fixedly connected with a shifting rod (14), and the shifting rod (14) slides in the adjusting groove (13).

4. The fire protection regulating valve of claim 3, wherein: be provided with first spring (12) in first accommodation hole (9), first spring (12) one end with the one end fixed connection of blend stop (11), the other end with first accommodation hole (9) are kept away from the one end inner wall fixed connection of draw-in groove (8), when first spring (12) are in natural state blend stop (11) peg graft in the accommodation hole.

5. The fire protection regulating valve of claim 4, wherein: and a connecting rod (15) is fixedly connected between the shift rods (14) on two sides of the inner wall of the valve body (1).

6. The fire protection regulating valve of claim 1, wherein: the inner wall of the clamping groove (8) in the airflow direction is provided with a telescopic hole (16), an elastic block (18) is elastically arranged in the telescopic hole (16), and the elastic block (18) is abutted to the connecting block (7).

7. The fire protection regulating valve of claim 6, wherein: the telescopic device is characterized in that a second spring (17) is arranged in the telescopic hole (16), one end of the second spring (17) is fixedly connected with the bottom wall of the telescopic hole (16), the other end of the second spring (17) is fixedly connected with the elastic block (18), and the elastic block (18) extends out of the telescopic hole (16) when the second spring (17) is in a natural state.

8. The fire protection regulating valve of claim 2, wherein: and one side of the barrier strip (11) abutted against the reinforcing edge (6) is fixedly connected with a cushion pad.