CN216813037U

CN216813037U - Smoke-discharging fire-proof valve convenient to install and maintain

Info

Publication number: CN216813037U
Application number: CN202123366686.0U
Authority: CN
Inventors: 高建兴; 李太飞; 刘俊华
Original assignee: Shenzhen Chenkangda Ventilation Fittings Co ltd
Current assignee: Shenzhen Chenkangda Ventilation Fittings Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-24
Anticipated expiration: 2031-12-30

Abstract

The utility model relates to the technical field of smoke-discharging fire-proof valves, in particular to a smoke-discharging fire-proof valve convenient to install and maintain, which comprises pipelines and a valve body positioned between the two pipelines, wherein two ends of the valve body are respectively connected with a connecting disc, one side of the connecting disc, which is close to the pipelines, is provided with a plurality of notches, the peripheral side of the outer wall of the connecting disc is connected with a pushing mechanism, a clamping piece is elastically matched with the connecting disc in the vertical direction, and the pushing mechanism is in extrusion fit with the clamping piece. The utility model overcomes the defects of the prior art, can quickly fix the rod body by matching the clamping piece and the pushing mechanism, and can drive the clamping piece to be clamped with the rod body at one time due to the arrangement of the pushing mechanism, thereby improving the installation speed between the valve body and the pipe body, ensuring that an installer is more convenient in installation without using tools, and better improving the sealing performance after the pipeline and the fire-proof valve are connected by the arranged sealing ring.

Description

Smoke-discharging fire-proof valve convenient to install and maintain

Technical Field

The utility model relates to the technical field of smoke exhaust fire prevention valves, in particular to a smoke exhaust fire prevention valve convenient to install and maintain.

Background

The smoke-discharging fire-resisting valve is a fire-resisting component, generally mounted on the pipeline of mechanical smoke-discharging system, normally is opened, when fire hazard occurs, the smoke-discharging fire-resisting valve is opened, when the smoke-discharging pipeline interior smoke temp. is reached to 280 deg.C, and closed, and can meet the requirements of smoke-leaking quantity and fire-resisting integrity in a certain time so as to implement the functions of isolating smoke and resisting fire. The main materials are as follows: carbon steel, galvanized sheet, stainless steel.

The existing smoke exhaust fire damper is used between smoke exhaust pipelines, smoke can be better discharged from the interior, but the smoke exhaust fire damper is poor in sealing effect due to long-time use, smoke outside the smoke exhaust fire damper can be conveyed indoors again, so that the smoke exhaust fire damper needs to be overhauled, the smoke exhaust fire damper needs to be disassembled in the overhauling process, the existing installing mode is fixed by a large number of bolts, the smoke exhaust fire damper needs to be screwed on the pipelines by personnel when being disassembled and installed, the speed is slow, the pipelines possibly need to be upwards climbed by virtue of a ladder due to the fact that the personnel on the pipelines possibly need to climb upwards by virtue of the ladder, and if a user installs the smoke exhaust fire damper for a long time, the smoke exhaust fire damper can be fallen down from the ladder due to leg numbness, and certain potential safety hazards are caused to the installing personnel.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the smoke-discharging fireproof valve convenient to install and maintain, overcomes the defects of the prior art, and aims to solve the problem that the smoke-discharging fireproof valve needs to be disassembled in the maintenance process, and the existing installation mode is fixed by using a large number of bolts.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a fire prevention valve discharges fume convenient to installation overhauls, includes the pipeline, is located two valve body between the pipeline, the both ends of valve body all are connected with the connection pad, being close to of connection pad a plurality of notches have been seted up to one side of pipeline, the week side of connection pad outer wall is connected with pushing mechanism, elastic fit has the joint spare and on the vertical direction of connection pad pushing mechanism with extrusion fit between the joint spare, the pipeline is being close to the one end sliding connection of connection pad has sliding fit to be in the intraoral body of rod and week side of the body of rod seted up with the draw-in groove of joint spare looks adaptation, the valve body with gap department between the pipeline is connected with the sealing ring.

As a preferable aspect of the present invention, the pushing mechanism includes: rotate to be connected ring body in connection pad week side, one side of ring body is connected with a plurality of push pedals, the first side of push pedal is connected with the locating plate, week side of connection pad is connected with the hoop, the second side of push pedal be connected with the magnet of magnetism connection between the hoop.

As a preferred technical solution of the present invention, the clip includes: the ball head rod is in sliding fit with the ball head rods in the clamping grooves, a straight groove is formed in the vertical direction of the connecting disc, the ball head rods are in elastic fit with the length direction of the straight groove, and the positioning plate and the push plate are matched with the ball head portions of the ball head rods in a split-phase mode.

As a preferable technical scheme of the utility model, one side of the ball head rod is provided with a convex block, one side of the straight groove is provided with a rectangular groove, and a spring is connected between the lower side of the convex block and the lower side of the inner wall of the rectangular groove.

As a preferable technical scheme of the utility model, one end of the pipeline is provided with a groove, the rod body is in sliding fit in the groove, and one end of the rod body, which is far away from the connecting disc, is connected with a pull rod.

In a preferred embodiment of the present invention, a threaded sleeve is slidably connected to a peripheral side of the connecting plate, and a threaded groove adapted to the threaded sleeve is provided on a lower side of the ring body.

As a preferable technical scheme of the utility model, the lower side of the inner wall of the threaded sleeve is connected with a dovetail block, and the upper side of the connecting disc is provided with a dovetail groove matched with the dovetail block.

Compared with the prior art, the utility model has the beneficial effects that:

(1) the clamping piece and the pushing mechanism are matched to quickly fix the rod body, and the clamping relation between the clamping piece and the rod body can be generated at the same time as the clamping piece is driven at one time by the pushing mechanism, so that the mounting speed between the valve body and the pipe body is improved, the mounting is more convenient for an installer when the valve body and the pipe body are mounted without using tools, and the sealing performance after the pipeline and the fire valve are connected can be better improved by the arranged sealing ring;

(2) the matching between the threaded sleeve and the ring body can achieve the self-locking effect on the ring body, so that the situation that the ring body moves randomly due to vibration is avoided, and the stability of the ring body in use is better improved;

(3) the cooperation between hoop and the magnet can make personnel increase the damping force when promoting the ring body, makes installer need consume certain strength at the in-process of installing, has avoided some people to rotate the ring body at will and lead to the fire damper of discharging fume to drop like this.

Drawings

FIG. 1 is a perspective view of the valve body and pipe assembly of the present invention;

FIG. 2 is a schematic perspective view of the internal structure of the valve body and pipe combination of the present invention;

fig. 3 is a schematic structural diagram of a in fig. 2.

In the figure: 1. a valve body; 101. a connecting disc; 102. a notch; 103. a straight groove; 104. a ball-head rod; 105. A threaded sleeve; 106. a ring body; 107. pushing the plate; 108. positioning a plate; 109. an iron ring; 110. a magnet; 111. a seal ring; 113. a push handle;

2. a pipeline; 201. a pull rod; 202. a rod body; 203. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a smoke evacuation fire damper convenient for installation and maintenance comprises a pipeline 2 and a valve body 1 positioned between the two pipelines 2, wherein both ends of the valve body 1 are connected with connecting discs 101, one side of each connecting disc 101, which is close to the pipeline 2, is provided with a plurality of notches 102, and the notches 102 and a rod body 202 are matched to play a role in positioning, so that an installer can more conveniently find the position in the process of installing the pipeline 2;

the pushing mechanism is connected to the periphery of the outer wall of the connecting disc 101, the clamping piece is elastically matched in the vertical direction of the connecting disc 101, the pushing mechanism is in extrusion fit with the clamping piece, and the pushing mechanism can push the clamping piece to move downwards, so that the clamping piece and the rod body 202 can be clamped, and personnel can fix the pipeline 2 and the connecting disc 101 conveniently;

the body of rod 202 of sliding fit in notch 102 is installed to pipeline 2 in the one end that is close to connection pad 101 and the draw-in groove with joint spare looks adaptation is seted up to the week side of the body of rod 202, and the gap department between valve body 1 and the pipeline 2 is connected with sealing ring 111, and sealing ring 111 can effectually improve the leakproofness after connecting between pipeline 2 and the connection pad 101, has avoided having appeared leaking the condition of cigarette because of the leakproofness is not enough between pipeline 2 and connection pad 101.

Specifically, referring to fig. 3, the pushing mechanism includes: rotate and connect ring body 106 in connection land 101 week side, ring body 106 week side is connected with one and pushes away 113, it can make better promotion ring body 106 of personnel rotate to push away 113, one side of ring body 106 is connected with a plurality of push pedals 107, the first side of push pedal 107 is connected with locating plate 108, locating plate 108 is used for fixing a position the processing to the rising of joint spare, it is too much to have avoided the joint spare to rise, land 101 week side is connected with hoop 109, push pedal 107 second side be connected with hoop 109 between magnetic connection's magnet 110, cooperation between hoop 109 and the magnet 110 can make personnel increase damping force when promoting ring body 106.

Specifically, referring to fig. 3, the clip includes: a plurality of sliding fit ball pole 104 in the draw-in groove, straight flute 103 has been seted up in the vertical direction of connection pad 101, ball pole 104 elastic fit is on the length direction of straight flute 103, locating plate 108 and push pedal 107 all cooperate with ball pole 104 bulb portion, push pedal 107 is the swash plate structure, extrusion fit between push pedal 107's lateral wall and ball pole 104 bulb portion, the body of rod 202 can be blocked to ball pole 104, make the body of rod 202 more stable in notch 102, the condition emergence of roll-off notch 102 has been avoided appearing in the body of rod 202.

Specifically, referring to fig. 3, a protrusion is disposed on one side of the ball rod 104, a rectangular groove is disposed on one side of the straight groove 103, a spring is connected between the lower side of the protrusion and the lower side of the inner wall of the rectangular groove, and the ball rod 104 can move upward when the extrusion is cancelled by the spring.

Specifically, referring to fig. 3, the threaded sleeve 105 is slidably connected to the peripheral side of the connecting disc 101, and the lower side of the ring body 106 is provided with a threaded groove adapted to the threaded sleeve 105, so that the ring body 106 can perform a first self-locking property when rotating through the matching between the threaded sleeve 105 and the ring body 106, and the occurrence of random rotation of the ring body 106 is avoided.

Specifically, referring to fig. 3, a groove 203 is formed at one end of the pipe 2, the rod 202 is slidably fitted in the groove 203, the end of the rod 202 away from the connecting disc 101 is connected with a pull rod 201, and the rod 202 can slide out of the notch 102 through the arrangement of the pull rod 201 and the groove 203, so that the valve body 1 can be assembled and disassembled more conveniently by a person.

Specifically, referring to fig. 3, the lower side of the inner wall of the threaded sleeve 105 is connected with a dovetail block, the upper side of the connecting disc 101 is provided with a dovetail groove matched with the dovetail block, the threaded sleeve 105 can be better made to slide through the matching between the dovetail block and the dovetail groove, and the threaded sleeve 105 is effectively prevented from rotating along with the ring body 106.

The working principle is as follows: when the valve body 1 needs to be disassembled, an installer firstly pushes the push handle 113 to enable the ring body 106 connected with the push handle 113 to rotate, meanwhile, the ring body 106 drives the dovetail block connected with the lower side of the threaded sleeve 105 to slide along the dovetail groove, then the magnet 110 connected with the second side of the push plate 107 slides along the iron ring 109, meanwhile, the push plate 107 rotates to cancel extrusion on the ball rod 104, then the spring generates elastic deformation and bounces the ball rod 104 upwards, meanwhile, the plane at the lower end of the ball rod 104 slides out of the clamping groove, then the installer pulls the pull rod 201 to enable the rod body 202 connected with the pull rod 201 to slide out of the notch along the groove 203, then the installer takes down the valve body 1 to overhaul, then when the valve body 1 needs to be installed, the valve body 1 is firstly placed between the two pipelines 2, then the installer puts the rod body 202 into the notch, then the installer rotates the ring body 106, the slope of the locating plate 108 downside that makes ring body 106 one side connect can extrude the bulb portion of bulb pole 104 upside and make bulb pole 104 extrusion spring downstream, then when the plane of push pedal 107 downside contacted bulb pole 104, bulb pole 104 will slide in the draw-in groove that the body of rod 202 was seted up to accomplish the installation to valve body 1, threaded sleeve 105 can be through the space of ring body 106 and connection pad 101 to the one side motion that is close to ring body 106 simultaneously, thereby accomplish the installation to valve body 1.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a fire damper discharges fume convenient to installation overhauls, includes pipeline (2), is located two valve body (1) between pipeline (2), its characterized in that: the both ends of valve body (1) all are connected with connection pad (101), being close to of connection pad (101) a plurality of notches (102) have been seted up to one side of pipeline (2), the week side of connection pad (101) outer wall is connected with pushing mechanism, elastic fit has joint spare and pushing mechanism with extrusion fit between the joint spare, pipeline (2) are being close to the one end sliding connection of connection pad (101) has sliding fit to be in body of rod (202) in notch (102) and week side of the body of rod (202) seted up with the draw-in groove of joint spare looks adaptation, valve body (1) with gap department between pipeline (2) is connected with sealing ring (111).

2. The smoke exhaust fire damper convenient for installation and maintenance of claim 1, wherein: the pushing mechanism includes: rotate to be connected ring body (106) of connection pad (101) week side, one side of ring body (106) is connected with a plurality of push pedal (107), the first side of push pedal (107) is connected with locating plate (108), week side of connection pad (101) is connected with hoop (109), the second side of push pedal (107) be connected with magnet (110) that magnetism is connected between hoop (109).

3. A smoke exhaust fire damper convenient for installation and maintenance as claimed in claim 2, wherein: the clip member includes: the ball head comprises a plurality of ball head rods (104) which are in sliding fit in the clamping grooves, straight grooves (103) are formed in the vertical direction of the connecting disc (101), the ball head rods (104) are in elastic fit in the length direction of the straight grooves (103), and the positioning plate (108) and the push plate (107) are matched with the ball head portions of the ball head rods (104).

4. A smoke exhaust fire damper convenient for installation and maintenance as claimed in claim 3, wherein: a convex block is arranged on one side of the ball head rod (104), a rectangular groove is formed in one side of the straight groove (103), and a spring is connected between the lower side of the convex block and the lower side of the inner wall of the rectangular groove.

5. The smoke exhaust fire damper convenient for installation and maintenance of claim 1, wherein: a groove (203) is formed in one end of the pipeline (2), the rod body (202) is in sliding fit in the groove (203), and a pull rod (201) is connected to one end, far away from the connecting disc (101), of the rod body (202).

6. A smoke evacuation fire damper convenient for installation and maintenance as claimed in claim 2, wherein: the peripheral side of the connecting disc (101) is connected with a threaded sleeve (105) in a sliding mode, and a threaded groove matched with the threaded sleeve (105) is formed in the lower side of the ring body (106).

7. The smoke exhaust fire damper convenient for installation and maintenance of claim 6, wherein: the lower side of the inner wall of the threaded sleeve (105) is connected with a dovetail block, and a dovetail groove matched with the dovetail block is formed in the upper side of the connecting disc (101).