CN215859809U

CN215859809U - Suspension swing type explosion-proof wave valve

Info

Publication number: CN215859809U
Application number: CN202122208533.7U
Authority: CN
Inventors: 范著; 徐晨福; 刘锦明
Original assignee: Xinjiang Pengyu Civil Air Defense Equipment Co ltd
Current assignee: Xinjiang Pengyu Civil Air Defense Equipment Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-02-18
Anticipated expiration: 2031-09-13

Abstract

The utility model relates to the technical field of explosion-proof wave valves, and discloses a suspended pendulum type explosion-proof wave valve which comprises a door plate and an engagement mechanism, wherein a pair of T-shaped through holes are formed in the upper side and the lower side of the front surface of the door plate, a pair of valves are arranged on the outer side of each T-shaped through hole, U-shaped plates are arranged on the back surfaces of the door plate at openings in the back surfaces of the T-shaped through holes, and each U-shaped plate is connected with the corresponding valve through the engagement mechanism. The utility model solves the problem of untight sealing of the valve by matching the mechanisms, has compact overall structure design, increases the sealing performance of the valve and avoids the rebound phenomenon of the valve.

Description

Suspension swing type explosion-proof wave valve

Technical Field

The utility model relates to the technical field of explosion-proof wave valves, in particular to a suspended pendulum type explosion-proof wave valve.

Background

The anti-explosion wave valve generally adopts a suspended pendulum valve, the valve and the door leaf form a certain angle with the door leaf overall when being opened again, the valve and the door leaf are used for ventilation in a civil air defense channel at ordinary times, and when the valve and the door leaf are impacted, the door face is pressed on the door leaf to cover and seal a ventilation opening on the door leaf after the impact force is applied to the door face due to instant airflow action on the valve, so that the anti-explosion wave effect is achieved.

After explosion of the existing suspension swing type explosion-proof wave valve in the current market is finished, the following defects exist: when the valve is closed, the phenomenon of rebounding can be generated, the valve is not sealed tightly, dust filled in the air can enter the civil air defense environment, the air quality is affected, and the physical health of indoor personnel is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a suspended pendulum type explosion-proof wave valve.

In order to solve the problems in the prior art, the utility model adopts the following technical scheme:

the utility model provides a dangling formula explosion-proof ripples valve, includes door plant, meshing mechanism, a pair of T shape through-hole has been seted up to both sides about the front of door plant, every the outside of T shape through-hole all is equipped with a pair of valve, and the uncovered back that is in the door plant that is located the back of T shape through-hole all is equipped with the U-shaped board, every the U-shaped board all is connected with the valve that corresponds through meshing mechanism.

Preferably, the outer side edge of the door panel is provided with a pair of rectangular frames, and the outer side surface of each rectangular frame is provided with a rectangular sealing ring.

Preferably, the back of valve is equipped with the rubber slab, the middle part of T shape through-hole is equipped with rectangle rubber circle, just the outer edge frame cooperation block of rubber slab is in rectangle rubber circle.

Preferably, a pair of U-shaped lug seats is arranged on the front face of the door plate above the T-shaped through hole, the rear end portion of each U-shaped lug seat is locked with the door plate through threads through a first bolt, a pair of hinged plates fixedly connected in an inclined mode are arranged on two sides of the front face of the valve, and the front end of an opening of each U-shaped lug seat is movably hinged to the top end portion of the corresponding hinged plate through a hinge pin.

Preferably, two corners of bottom are equipped with a pair of slant hole in the T shape through-hole, every the downthehole T shape pole that is equipped with of slant all inserts, every the preceding tip of T shape pole all with the turning rigid coupling that the valve corresponds, and every all the cover is equipped with tension spring on the anterior segment of T shape pole.

Preferably, the upper portion that is located T shape through-hole is equipped with the L shaped plate at the back of door plant, the L shaped plate passes through second bolt and door plant thread locking, the top of U shaped plate contacts with the bottom surface of L shaped plate, just the U shaped plate passes through third bolt and L shaped plate thread locking.

Preferably, the meshing mechanism comprises a gear and an arc-shaped rack, the gear is arranged at the bottom in the U-shaped plate, the arc-shaped rack is arranged in the middle of the back face of the valve, the arc-shaped rack penetrates through the T-shaped through hole and extends to the bottom in the U-shaped plate, and the arc-shaped rack is meshed with the gear.

Preferably, a limiting shaft rotatably connected is arranged in the middle of the U-shaped plate above the gear, a limiting convex block is sleeved at the middle of the limiting shaft, the tip of the limiting convex block abuts against the gear, a pair of torsion springs are sleeved at two end portions of the limiting shaft, each torsion spring is fixedly connected with the inner wall of the U-shaped plate, a pair of limiting grooves are formed in two side walls of the U-shaped plate behind the limiting shaft, a limiting baffle is arranged behind the limiting convex block, and two ends of the limiting baffle are inserted into the corresponding limiting grooves.

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

1. the outer side edge of the door plate is sealed through the rectangular frame and the rectangular sealing ring, so that the outer edge frame of the rubber plate is clamped in the rectangular rubber ring in a matching mode, and the sealing performance of the valve plate is improved;

2. through the cooperation use of meshing mechanism, when the valve closed backward under the effect of shock wave, the gear synchronous rotation was driven in the meshing of arc rack, through the effect of torque spring cooperation spacing cam, had avoided the phenomenon of valve resilience to take place.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:

FIG. 1 is a front view of the present invention;

FIG. 2 is a rear view of the present invention;

FIG. 3 is a right side view of the present invention;

FIG. 4 is a right side sectional view of the present invention;

FIG. 5 is an enlarged view taken at A of FIG. 4 in accordance with the present invention;

number in the figure: the door comprises a door plate 1, a T-shaped through hole 11, an inclined hole 12, a valve 13, a rubber plate 14, a rectangular rubber ring 15, a U-shaped lug seat 16, a hinged plate 17, a rectangular frame 18, a rectangular sealing ring 19, an L-shaped plate 2, a U-shaped plate 21, an arc-shaped rack 22, a gear 23, a limiting bump 24, a limiting baffle 25, a T-shaped rod 26 and a tension spring 27.

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.

Example 1: the embodiment provides a suspension swing type explosion-proof wave valve, refer to fig. 1-5, it is concrete, including door plant 1, meshing mechanism, a pair of T shape through-hole 11 has been seted up to both sides about the front of door plant 1, and the outside of every T shape through-hole 11 all is equipped with a pair of slant and places and activity articulated valve 13, and the uncovered back that is located door plant 1 in the back of T shape through-hole 11 all is equipped with U-shaped plate 21, and every U-shaped plate 21 all is connected with corresponding valve 13 through meshing mechanism.

In the utility model, the outer edges of the door panel 1 are provided with a pair of rectangular frames 18, the outer side surface of each rectangular frame 18 is provided with a rectangular sealing ring 19, and the outer edges of the door panel 1 are sealed through the rectangular frames 18 and the rectangular sealing rings 19.

In the utility model, the back of the valve 13 is provided with the rubber plate 14, the size of the rubber plate 14 is smaller than that of the valve 13, the middle part of the T-shaped through hole 11 is provided with the rectangular rubber ring 15, and the outer edge frame of the rubber plate 14 is clamped in the rectangular rubber ring 15 in a matching manner, so that the sealing performance of the valve plate 13 when closed is improved.

In the utility model, a pair of U-shaped ear seats 16 is arranged on the front surface of the door plate 1 above the T-shaped through hole 11, the rear end part of each U-shaped ear seat 16 is locked with the door plate 1 through a first bolt in a threaded manner, a pair of hinge plates 17 which are fixedly connected in an inclined manner are arranged on two sides of the front surface of the valve 13, and the front end of an opening of each U-shaped ear seat 16 is movably hinged with the top end part of the corresponding hinge plate 17 through a pin shaft, so that the valve 13 can conveniently swing in a hinged manner.

In the utility model, the L-shaped plate 2 is arranged on the back of the door plate 1 above the T-shaped through hole 11, the L-shaped plate 2 is in threaded locking with the door plate 1 through the second bolt, the top of the U-shaped plate 21 is in contact with the bottom surface of the L-shaped plate 2, and the U-shaped plate 21 is in threaded locking with the L-shaped plate 2 through the third bolt, so that the U-shaped plate is convenient to mount and dismount.

In the utility model, the meshing mechanism comprises a gear 23 and an arc-shaped rack 22, the gear 23 which is rotatably connected with the inner bottom of the U-shaped plate 21 is arranged at the middle part of the back of the valve 13, the arc-shaped rack 22 penetrates through the T-shaped through hole 11 and extends to the inner bottom of the U-shaped plate 21, and the arc-shaped rack 22 is meshed with the gear 23 and is connected with the gear 23, so that the valve 13 is conveniently limited through meshing.

In the utility model, a limiting shaft which is rotatably connected is arranged in the middle of the U-shaped plate 21 above the gear 23, a limiting convex block 24 is sleeved in the middle of the limiting shaft, the tip of the limiting convex block 24 is abutted against the gear 23, a pair of torsion springs are sleeved at two end parts of the limiting shaft, each torsion spring is fixedly connected with the inner wall of the U-shaped plate 21, a pair of limiting grooves are formed in two side walls of the U-shaped plate 21 behind the limiting shaft, a limiting baffle 25 is arranged behind the limiting convex block 24, two ends of the limiting baffle 25 are inserted into the corresponding limiting grooves, the limiting baffle 25 can move up and down in the limiting grooves, and the limiting baffle 25 limits the limiting convex block 24.

Example 2: in embodiment 1, there is also a problem that the shutter buffering effect is not good, and therefore, this embodiment further includes, on the basis of embodiment 1:

in the utility model, a pair of oblique through holes 12 are arranged at two corners of the bottom in the T-shaped through hole 11, as the T-shaped rods 26 move along the arc-shaped track of the valve 13, the aperture of each oblique hole 12 is larger than that of each T-shaped rod 26, the T-shaped rods 26 which slidably penetrate through each oblique hole 12 are inserted in each oblique hole, the front end part of each T-shaped rod 26 is fixedly connected with the corresponding corner of the valve 13, the front section of each T-shaped rod 26 is sleeved with a tension spring 27, and the tension springs 27 are matched with the T-shaped rods 26 to buffer and support the valve 13.

Example 3: when the utility model is used specifically, the operation steps are as follows:

step one, a door panel 1 is normally installed in an entrance of a wall, and the outer side edge of the door panel 1 is sealed through a rectangular frame 18 and a rectangular sealing ring 19;

when the front surface of the door panel 1 generates an explosion wave, the impact force of the explosion wave acts on the front surface of the valve 13 to drive the hinged plate 17 to hinge backwards along the U-shaped lug 16 and drive the valve 13 and the rubber plate 14 to close backwards along the T-shaped through hole 11, so that the outer edge frame of the rubber plate 14 is clamped in the rectangular rubber ring 15 in a matched manner, and the sealing performance of the valve panel 13 is improved;

step three, simultaneously, the T-shaped rod 26 is driven to slide backwards along the inclined hole 12, the tension spring 27 is driven to compress and deform, the tension of the tension spring 27 is reacted, and the valve 13 is buffered to a certain degree;

step four, simultaneously, the arc-shaped rack 22 is driven to move backwards, the gear 23 is driven to synchronously rotate by meshing, and the limiting shaft drives the limiting cam 24 to be in reciprocating abutment against the gear 23 under the matching operation of the torsion spring;

and step five, when the shock wave stops, the limiting baffle 25 is pushed to move upwards along the limiting groove, so that the rear part of the limiting bump 24 is not blocked, the valve 13 is pushed forwards, the arc-shaped rack 22 and the T-shaped rod 26 are driven to move forwards, and the valve 13 is conveniently opened again.

The utility model solves the problem of untight sealing of the valve by matching the mechanisms, has compact overall structure design, increases the sealing performance of the valve and avoids the rebound phenomenon of the valve.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a pendulum formula explosion-proof ripples valve, includes door plant (1), meshing mechanism, its characterized in that: a pair of T-shaped through holes (11) are formed in the upper side and the lower side of the front face of the door plate (1), each T-shaped through hole (11) is formed in the outer side of each valve (13), a U-shaped plate (21) is arranged on the back face, located on the door plate (1), of the opening in the back face of each T-shaped through hole (11), and each U-shaped plate (21) is connected with the corresponding valve (13) through a meshing mechanism.

2. A suspended pendulum type blast resistant shutter according to claim 1, characterized in that: the door plate is characterized in that a pair of rectangular frames (18) are arranged on the outer side edge of the door plate (1), and a rectangular sealing ring (19) is arranged on the outer side surface of each rectangular frame (18).

3. A suspended pendulum type blast resistant shutter according to claim 1, characterized in that: the back of valve (13) is equipped with rubber slab (14), the middle part of T shape through-hole (11) is equipped with rectangle rubber circle (15), just the outer edge frame cooperation block of rubber slab (14) is in rectangle rubber circle (15).

4. A suspended pendulum type blast resistant shutter according to claim 1, characterized in that: the top that is located T shape through-hole (11) is equipped with a pair of U-shaped ear seat (16) in the front of door plant (1), every the back tip of U-shaped ear seat (16) all locks through first bolt and door plant (1) screw thread, the positive both sides of valve (13) are equipped with articulated slab (17) of a pair of slant rigid coupling, every the opening front end of U-shaped ear seat (16) all through the top portion activity hinge joint of round pin axle with articulated slab (17) that corresponds.

5. A suspended pendulum type blast resistant shutter according to claim 1, characterized in that: two corners of bottom are equipped with a pair of slant hole (12) in T shape through-hole (11), every all insert in slant hole (12) and be equipped with T shape pole (26), every the preceding tip of T shape pole (26) all with the turning rigid coupling that valve (13) corresponds, and every all overlap on the anterior segment of T shape pole (26) and be equipped with tension spring (27).

6. A suspended pendulum type blast resistant shutter according to claim 1, characterized in that: the top that is located T shape through-hole (11) is equipped with L shaped plate (2) at the back of door plant (1), L shaped plate (2) are through second bolt and door plant (1) thread tightening, the top of U shaped plate (21) and the bottom surface contact of L shaped plate (2), just U shaped plate (21) are through third bolt and L shaped plate (2) thread tightening.

7. A suspended pendulum type blast resistant shutter according to claim 1, characterized in that: the meshing mechanism comprises a gear (23) and an arc-shaped rack (22), the gear (23) is arranged at the bottom in the U-shaped plate (21), the arc-shaped rack (22) is arranged in the middle of the back face of the valve (13), the arc-shaped rack (22) penetrates through the T-shaped through hole (11) and extends to the bottom in the U-shaped plate (21), and the arc-shaped rack (22) is meshed with the gear (23) and connected.

8. The pendulous explosion-proof wave shutter according to claim 7, characterized in that: the middle part of the top that is located gear (23) is equipped with the spacing axle of rotation connection in U-shaped plate (21), the middle part cover of spacing axle is equipped with spacing lug (24), the pointed end of spacing lug (24) supports tightly on gear (23), the both ends cover of spacing axle is equipped with a pair of torque spring, every torque spring all with the inner wall rigid coupling of U-shaped plate (21), the rear that is located spacing axle has seted up a pair of spacing groove at the both sides wall of U-shaped plate (21), the rear of spacing lug (24) is equipped with limit baffle (25), the both ends of limit baffle (25) are inserted and are established in the spacing inslot that corresponds.