CN210975754U

CN210975754U - Multi-door structure side-turning type flap valve with hydraulic buffer device

Info

Publication number: CN210975754U
Application number: CN201921669672.6U
Authority: CN
Inventors: 周振文
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-07-10
Anticipated expiration: 2029-10-08

Abstract

A side-turning flap valve with a hydraulic buffer device and a multi-door structure comprises a door leaf and a stand column, wherein the stand column is fixedly arranged on a door frame, and the door leaf is connected to the door frame through a hinge shaft; the upright post or the door frame is provided with a buffer device; the door leaf can be clapped on the buffer device when being closed on the door frame. The utility model discloses in, through buffer's setting, when the door leaf was clapped, can form a buffering to the door leaf for the door leaf does not have the direct bat on the door frame, thereby reduces the direct impact to door frame and basic building that claps.

Description

Multi-door structure side-turning type flap valve with hydraulic buffer device

Technical Field

The utility model relates to a formula of turning on one's side claps the door, especially relates to a take hydraulic buffer's formula of turning on one's side claps the door of multi-door structure.

Background

At present, the water outlets of water pump stations in China generally adopt flap valves for flow cutoff, most of the side-turning flap valves adopted in water conservancy and municipal flood control and drainage pump stations and agricultural irrigation pump stations in China are of single-door structures and double-door structures, the maximum specification of the side-turning flap valve with the single-door structure designed in China at present is 500-1200 mm according to relevant investigation, the recommended maximum design specification of the side-turning flap valve with the double-door structure is generally not more than 3000mm × 3000mm, the side-turning flap valve with the size larger than the standard can influence the service life of a flap valve foundation building due to overlarge impact force in actual use and operation, and the sealing performance and the operation safety of the flap valve are influenced due to the fact that the flap valve structure with the overlarge impact force is easy to deform, so that the side-turning flap valve with the multi-door structure and the hydraulic buffer device is necessary to be designed to reduce the impact force and ensure the safety of.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art not enough, provide a take hydraulic buffer's multi-door structure formula of turning on one's side flap door that can cushion the impact of flap door.

In order to solve the technical problem, the utility model provides a technical scheme does: a side-turning flap valve with a hydraulic buffer device and a multi-door structure comprises a door leaf and an upright post, wherein the upright post is fixedly arranged on a door frame, and the door leaf is connected to the door frame through a hinge shaft; a buffer device is arranged on the upright post or the door frame; the door leaf can be clapped on the buffer device when being closed on the door frame.

Preferably, the buffering device comprises a shell, a buffer and a cover plate, and the shell is fixedly arranged on the upright post or the door frame; the buffer is fixed in the shell through a cover plate.

Preferably, the damper comprises a cylinder, a piston rod, a piston sleeve, a spring return device and an end cover; the piston sleeve is fixedly arranged at one end of the cylinder barrel, and the other end of the cylinder barrel is fixedly provided with an end cover; the piston rod is arranged in the piston sleeve, one end of the piston rod extends out of the piston sleeve, the other end of the piston rod is arranged on the spring return device, the spring return device is also arranged on the end cover in the cylinder barrel, and a hydraulic oil cavity is arranged between the two spring return devices.

In the above multi-door structure side-turning type flap valve with the hydraulic buffer device, preferably, the door frame is fixedly arranged on the flap valve seat.

Preferably, the door frame is provided with a limiting rubber block, and the limiting rubber block is arranged between the door frame and the door leaf.

In the above-mentioned multi-door structure side-turning flap valve with the hydraulic buffer device, preferably, the upright column uniformly divides the door frame into two parts, three parts, four parts or six parts, and each part is provided with one door leaf.

Compared with the prior art, the utility model has the advantages of: the utility model discloses in, through buffer's setting, when the door leaf was clapped, can form a buffering to the door leaf for the door leaf does not have the direct bat on the door frame, thereby reduces the direct impact to door frame and basic building that claps.

Drawings

Fig. 1 is a schematic front view of a multi-door structure side-turning flap valve with a hydraulic cushion device in embodiment 1.

Fig. 2 is a schematic side view of a multi-door structure side-turning flap valve with a hydraulic cushion device in embodiment 1.

Fig. 3 is a schematic top view of a multi-door structure side-turn flap valve with a hydraulic cushion device in embodiment 1.

Fig. 4 is a schematic sectional view showing a shock absorber according to embodiment 1.

Fig. 5 is a schematic side view of a buffer device in embodiment 1.

Fig. 6 is a schematic front view of a multi-door structure side-turn flap valve with a hydraulic cushion device in embodiment 2.

Description of the figures

1. A door leaf; 2. a column; 3. a door frame; 4. a buffer device; 41. a housing; 42. a buffer; 421. a cylinder barrel; 422. a piston rod; 423. a piston sleeve; 424. a spring return; 425. an end cap; 426. a hydraulic oil chamber; 43. a cover plate; 5. embedding reinforcing steel bars in advance; 6. a hook for pulling the flap valve; 7. and (4) a hinge shaft.

Detailed Description

To facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and preferred embodiments, but the scope of the present invention is not limited to the specific embodiments described below.

It should be particularly noted that when an element is referred to as being "fixed to, connected to or communicated with" another element, it can be directly fixed to, connected to or communicated with the other element or indirectly fixed to, connected to or communicated with the other element through other intermediate connecting components.

Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention.

Example 1

A side-turning flap valve with a multi-door structure and a hydraulic buffer device 4 comprises a door leaf 1 and a stand column 2, wherein the stand column 2 is fixedly arranged on a door frame 3, and the door leaf 1 is connected to the door frame 3 through a hinge shaft 7; the upright post 2 or the door frame 3 is provided with a buffer device 4, and the door frame 3 is fixedly arranged on the door-slapping seat. The door leaf 1 is slammed against the damping device 4 when closed on the door frame 3. The buffer device 4 comprises a shell 41, a buffer 42 and a cover plate 43, wherein the shell 41 is fixedly arranged on the upright post 2 or the door frame 3; the damper 42 is fixed in the housing 41 by a cover plate 43.

In the embodiment, the upright post 2 is of a cross-shaped structure, when the design specification of the side-turning flap door is larger than 3000mm × 3000mm, the cross-shaped structural upright post 2 can be designed in the middle of a door frame 3 of the side-turning flap door, so that the flap door frame 3 is designed to be of a field-shaped structure, and the flap door is vertically divided into 4 independent bearing space structures, so that a large flap door leaf 1 can be designed to be of a multi-door structure, the opening and closing force acting point of the flap door leaf 1 is on the structure of the middle cross-shaped upright post 2, the flap door leaves 1 are not influenced by each other when opened and closed, and meanwhile, 4 hydraulic buffer devices 4 are designed and mounted on the middle upright post 2 of the flap door to reduce the impact force between the flap door leaf 1 and the door frame 3.

In the present embodiment, the damper 42 includes a cylinder 421, a piston rod 422, a piston sleeve 423, a spring return 424, and an end cover 425; a piston sleeve 423 is fixedly arranged at one end of the cylinder 421, and an end cover 425 is fixedly arranged at the other end of the cylinder 421; the piston rod 422 is arranged in the piston sleeve 423, one end of the piston rod 422 extends out of the piston sleeve 423, the other end of the piston rod 422 is arranged on the spring return device 424, the cylinder 421 is also provided with the spring return device 424 on the end cover 425, and a hydraulic oil chamber 426 is arranged between the two spring return devices 424.

The piston sleeve 423 arranged on the piston rod 422 is sleeved in the cylinder barrel 421 in a matching manner, a spring return device 424 is arranged between the piston rod 422 and the cylinder bottom in the cylinder barrel 421 to serve as a return device of the piston rod 422, one quarter of hydraulic oil is added into a hydraulic oil cavity 426 formed in the cylinder barrel 421 to increase the pressure of the inner cavity of the cylinder barrel 421, when the door leaf 1 of the flap valve collides with the piston rod 422 of the hydraulic buffer device 4, the piston rod 422 is quickly pressed into the cylinder barrel 421, when the hydraulic oil and the spring in the cylinder barrel 421 are acted by external force, the pressure is quickly enhanced to generate reverse thrust to push the piston rod 422 to quickly return, so that a first contact point of the door leaf 1 serves as the piston rod 422 of the hydraulic buffer device 4 to reduce. The flap valve has the advantages of simple structure, reliable work and convenient maintenance, and can be widely applied to popularization and application in flap valve reconstruction of large and medium-sized pump stations.

In order to limit the position of the door leaf 1 during installation, a limit rubber block is arranged on the door frame 3 and is arranged between the door frame 3 and the door leaf 1. So as to prevent the door leaf from opening at an angle larger than 85 degrees and not being normally returned and closed.

In this embodiment, the reinforcing steel bars are pre-embedded in the basic building of the flap valve, the flap valve hook 6 is fixedly welded on the pre-embedded reinforcing steel bars 5, the door frame 3 is fixedly arranged on the flap valve hook 6, and the door frame 3 can be fixed on the flap valve hook 6 by welding or welded on the flap valve hook 6.

The utility model discloses in, through the setting of buffer 4, when door leaf 1 claps down, can form a buffering to door leaf 1 for door leaf 1 does not have the direct bat on door frame 3, thereby reduces the direct impact to door frame 3 and basic building of clapping.

Example 2

In this embodiment, the pillar 2 is a "one" shape structure, the pillar 2 is vertically fixed in the middle of the door frame 3, and the door frame 3 is divided into two parts by the pillar 2. The buffer device 4 is arranged on the upper door frame 3 and the lower door frame 3; each door leaf 1 corresponds to two cushioning devices 4, respectively on the upper and lower parts of the door leaf 1. The other portions of this example are the same as example 1.

Claims

1. The utility model provides a take hydraulic buffer's multi-door structure formula of turning on one's side flap valve which characterized in that: the door comprises a door leaf and an upright post, wherein the upright post is fixedly arranged on a door frame, and the door leaf is connected to the door frame through a hinge shaft; a buffer device is arranged on the upright post or the door frame; the door leaf can be clapped on the buffer device when being closed on the door frame.

2. The multi-door structure side-turn flap valve with hydraulic cushion device of claim 1, wherein: the buffer device comprises a shell, a buffer and a cover plate, wherein the shell is fixedly arranged on the upright post or the door frame; the buffer is fixed in the shell through a cover plate.

3. The multi-door structure side-turn flap valve with hydraulic cushion device of claim 2, wherein: the buffer comprises a cylinder barrel, a piston rod, a piston sleeve, a spring return device and an end cover; the piston sleeve is fixedly arranged at one end of the cylinder barrel, and the other end of the cylinder barrel is fixedly provided with an end cover; the piston rod is arranged in the piston sleeve, one end of the piston rod extends out of the piston sleeve, the other end of the piston rod is arranged on the spring return device, the spring return device is also arranged on the end cover in the cylinder barrel, and a hydraulic oil cavity is arranged between the two spring return devices.

4. The multi-door structure side-turn flap valve with hydraulic cushion device of claim 1, wherein: the door frame is fixedly arranged on the door-slapping seat.

5. The multi-door structure side-turn flap valve with hydraulic cushion device of claim 1, wherein: the door frame is provided with a limiting rubber block, and the limiting rubber block is arranged between the door frame and the door leaf.

6. The multi-door structure side-turn flap valve with hydraulic cushion device of claim 1, wherein: the upright post evenly divides the door frame into two parts, three parts, four parts or six parts, and each part is provided with a door leaf.