CN215334656U

CN215334656U - Self-adaptive sealed buoyancy tank flap valve

Info

Publication number: CN215334656U
Application number: CN202121305084.1U
Authority: CN
Inventors: 刘培荣; 陈维忠; 许万明
Original assignee: Tianchang Zhongtian Industry Co ltd
Current assignee: Tianchang Zhongtian Industry Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2021-12-28
Anticipated expiration: 2031-06-11

Abstract

The utility model provides a self-adaptive sealed buoyancy tank flap valve which comprises a pipe body, wherein two first supporting rods are symmetrically fixed on the top surface of the outer wall of the pipe body, an end cover is arranged on one side of each first supporting rod, two second supporting rods are symmetrically fixed on one side, close to the first supporting rods, of the end cover, the two second supporting rods are respectively and rotatably connected with the two first supporting rods, a guide rod is inserted in the middle of the end cover in a sliding mode, a supporting plate and a baffle plate are respectively fixed at two ends of the guide rod, a first spring is sleeved at one end, close to the supporting plate, of the guide rod, two ends of the first spring are respectively and fixedly connected with the supporting plate and the outer side wall of the end cover, and the baffle plate is attached to the outer wall of one side, far away from the first spring, of the end cover. In the utility model, when the end cover is closed, the impact on the port of the pipe body is reduced through the sliding block and the second spring, and meanwhile, the air in the pipe body can be discharged from the through hole on the end cover, thereby achieving the purpose of exhausting before conveying.

Description

Self-adaptive sealed buoyancy tank flap valve

Technical Field

The utility model relates to the technical field of buoyancy tank flap valve manufacturing, in particular to a self-adaptive sealing buoyancy tank flap valve.

Background

When a water pump of the drainage and irrigation pump station is stopped, water drained to a water outlet pool is prevented from flowing back to a water inlet pool through a water outlet pipe, the backflow prevention is generally realized by a flap valve, the flap valve is generally formed by arranging an upper hinge and a lower hinge at a certain angle, namely the upper hinge and the lower hinge are not on the same vertical line, and meanwhile, an outlet of a door seat is also formed into a certain inclination angle, namely the outlet is not on the same vertical line, so that the door can be automatically closed by a component force of the self weight of a door leaf.

Present buoyancy tank claps a simple structure, convenient to use, nevertheless has following shortcoming: 1. when the door leaf is closed by self weight and water pressure, the impact on the port of the flap valve of the buoyancy tank is large, and the port and the door leaf are easy to damage; 2. when the transfusion is started, the air in the tube pushes the door leaf to open, and the liquid in the pool easily flows back to enter the tube.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a self-adaptive sealing buoyancy tank flap valve which overcomes or at least partially solves the problems, so that when a door leaf is closed, the impact on a port of the buoyancy tank flap valve is large, the port and the door leaf are easy to damage, and when air in a pipe pushes against the door leaf to be opened at the beginning of infusion, liquid in a pool is easy to flow backwards and enter the pipe.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

the utility model provides a self-adaptive sealed buoyancy tank flap valve which comprises a pipe body, wherein two first supporting rods are symmetrically fixed on the top surface of the outer wall of the pipe body, an end cover is arranged on one side of the first supporting rod, two second supporting rods are symmetrically fixed on one side of the end cover close to the first supporting rod, the two second supporting rods are respectively and rotatably connected with the two first supporting rods, a guide rod is inserted in the middle of the end cover in a sliding way, a support plate and a baffle plate are respectively fixed at the two ends of the guide rod, one end of the guide rod, which is close to the support plate, is sleeved with a first spring, two ends of the first spring are respectively and fixedly connected with the support plate and the outer side wall of the end cover, the baffle with the end cover is kept away from one side outer wall of first spring is laminated mutually, sliding sleeve has the slider in the caulking groove of end cover, the slider with be fixed with the multiunit second spring between the caulking groove of end cover is inside.

As a further improvement of the above technical solution:

the end cover and the binding surface of the baffle are nested with a sealing gasket, the inner side and the outer side of the sliding block are respectively stuck with an inner sealing ring and an outer sealing ring, and the inner sealing ring and the outer sealing ring are respectively nested in the caulking groove of the end cover.

A plurality of through holes are formed in the end cover, and the through holes are respectively surrounded on the inner side of the sealing gasket.

The umbrella is characterized in that the first supporting rod is in an umbrella handle shape, a buffer block is fixed at the tail end of the free end of the first supporting rod, and the buffer block is made of rubber.

The section of the sliding block is in a concave shape, and the groove surface of the sliding block is attached to the end opening of the pipe body.

And an end port of the tube body close to the end cover forms an included angle of 70 degrees with the horizontal plane.

The utility model provides a self-adaptive sealed buoyancy tank flap valve, which has the beneficial effects that:

1. according to the utility model, through the arrangement of the sliding block and the second spring, when the water pressure in the pipe body is reduced, the end cover is pushed by the self weight and the water pressure in the water tank, the second supporting rod deflects clockwise around the first supporting rod, so that the caulking groove of the sliding block is clamped on the port of the pipe body, the impact is buffered through the elastic force of the second spring, the damage to the port of the pipe body caused by the impact is prevented, meanwhile, the sliding block is attached to the port of the pipe body more tightly, and the sealing property is improved.

2. According to the utility model, through the arrangement of the through hole and the baffle plate, when liquid is introduced into the pipe body, air in the pipe body is compressed, firstly, the baffle plate is jacked through the through hole in the end cover to be discharged, the first spring is compressed, the purpose of exhausting is achieved, and meanwhile, water flow in the water tank can be prevented from flowing backwards into the pipe body.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

FIG. 1 is a front cross-sectional view provided by an embodiment of the present invention;

FIG. 2 is a cross-sectional view of an end closure according to an embodiment of the present invention in an open position;

FIG. 3 is a right side view provided by an embodiment of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 1 according to an embodiment of the present invention.

In the figure: 1. a tube body; 2. a first support bar; 3. an end cap; 4. a second support bar; 5. a guide bar; 6. a support plate; 7. a baffle plate; 8. a first spring; 9. a slider; 10. a second spring; 11. a gasket; 12. an inner seal ring; 13. an outer sealing ring; 14. a through hole; 15. and a buffer block.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

As shown in fig. 1-4, the adaptive sealing buoyancy tank flap valve of this embodiment includes a tube body 1, two first struts 2 are symmetrically fixed on the top surface of the outer wall of the tube body 1, an end cap 3 is disposed on one side of the first struts 2, two second struts 4 are symmetrically fixed on one side of the end cap 3 close to the first struts 2, the two second struts 4 are respectively rotatably connected with the two first struts 2, a guide rod 5 is slidably inserted in the middle of the end cap 3, a support plate 6 and a baffle 7 are respectively fixed on both ends of the guide rod 5, a first spring 8 is sleeved on one end of the guide rod 5 close to the support plate 6, both ends of the first spring 8 are respectively fixedly connected with the support plate 6 and the outer side wall of the end cap 3, the baffle 7 is attached to the outer wall of the end cap 3 on the side far from the first spring 8, a slider 9 is slidably nested in a caulking groove of the end cap 3, a plurality of second springs 10 are fixed between the slider 9 and the inside of the caulking groove of the end cap 3, when the water pressure in the pipe body 1 is reduced, the end cover 3 is pushed by the self weight and the water pressure in the water tank to act, the second supporting rod 4 deflects clockwise around the first supporting rod 2, so that the caulking groove of the sliding block 9 is clamped on the port of the pipe body 1, the impact is buffered by the elastic force of the second spring 10, meanwhile, the sliding block 9 is attached to the port of the pipe body 1 more tightly, the sealing performance is improved, when liquid is introduced into the pipe body 1, air in the pipe body 1 is compressed, firstly, the baffle 7 is pushed open through the through hole 14 on the end cover 3 to be discharged, the first spring 8 is compressed, the air exhaust purpose is achieved, meanwhile, the water flow in the water tank can be prevented from pouring into the pipe body 1, when the pipe body 1 is filled with the pressure liquid, the end cover 3 is pushed to deflect anticlockwise around the first supporting rod 2 through the second supporting rod 4, so that the sliding block 9 is separated from being attached to the port of the pipe body 1, the function of discharging liquid is achieved.

As shown in fig. 1, 2 and 4, a sealing gasket 11 is nested on a joint surface of the end cover 3 and the baffle 7, an inner sealing ring 12 and an outer sealing ring 13 are respectively fitted on the inner side and the outer side of the slider 9, the inner sealing ring 12 and the outer sealing ring 13 are respectively nested in a caulking groove of the end cover 3, the sealing gasket 11 is made of rubber, the baffle 7 is pressed on the sealing gasket 11 through the elastic action of the first spring 8 to play a sealing role, and the inner sealing ring 12 and the outer sealing ring 13 play a sealing role on two sides of the slider 9.

As shown in fig. 1 and 2, the end cap 3 is provided with a plurality of through holes 14, the plurality of through holes 14 respectively surround the inner side of the gasket 11, and the through holes 14 serve the purpose of exhausting air during water passing and simultaneously prevent liquid in the water tank from pouring into the pipe body 1.

As shown in fig. 1 and 2, first branch pole 2 is the umbrella stick shape, and the free end tip of first branch pole 2 is fixed with buffer block 15, and buffer block 15 adopts the rubber material, and buffer block 15 plays the buffering and blocks the impact force when the anticlockwise deflection of end cover 3, plays limiting displacement when first branch pole 2 is opened end cover 3, prevents that the deflection angle is too big.

As shown in fig. 1, 2 and 4, the cross section of the sliding block 9 is concave, the groove surface of the sliding block 9 is attached to the port of the pipe body 1, and the sliding block 9 is sleeved on the port of the pipe body 1 through the groove, so that the sealing performance and the reliability are improved.

As shown in fig. 1 and 2, an included angle of 70 degrees is formed between a port of one end of the tube body 1 close to the end cover 3 and the horizontal plane, so that the end cover 3 is attached to the port of the tube body 1 through the sliding block 9, and the end cover 3 presses the port of the tube body 1 by means of a horizontal component force of self gravity to perform a self-sealing function.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. The self-adaptive sealed buoyancy tank flap valve comprises a pipe body (1) and is characterized in that two first supporting rods (2) are symmetrically fixed on the top surface of the outer wall of the pipe body (1), an end cover (3) is arranged on one side of each first supporting rod (2), two second supporting rods (4) are symmetrically fixed on one side, close to the first supporting rods (2), of the end cover (3), the two second supporting rods (4) are respectively and rotatably connected with the two first supporting rods (2), a guide rod (5) is slidably inserted in the middle of the end cover (3), a supporting plate (6) and a baffle (7) are respectively fixed at two ends of the guide rod (5), a first spring (8) is sleeved at one end, close to the supporting plate (6), of the guide rod (5), two ends of the first spring (8) are respectively and fixedly connected with the supporting plate (6) and the outer side wall of the end cover (3), baffle (7) with end cover (3) are kept away from one side outer wall of first spring (8) is laminated mutually, sliding nest has slider (9) in the caulking groove of end cover (3), slider (9) with be fixed with multiunit second spring (10) between the caulking groove of end cover (3) is inside.

2. The adaptive-sealing buoyancy tank flap valve according to claim 1, characterized in that a sealing gasket (11) is nested on the abutting surface of the end cover (3) and the baffle (7), an inner sealing ring (12) and an outer sealing ring (13) are respectively abutted on the inner side and the outer side of the sliding block (9), and the inner sealing ring (12) and the outer sealing ring (13) are respectively nested in a caulking groove of the end cover (3).

3. The adaptively sealed buoyancy tank flap valve according to claim 2, wherein a plurality of through holes (14) are formed in the end cover (3), and the plurality of through holes (14) are respectively surrounded on the inner side of the sealing gasket (11).

4. The adaptive sealing buoyancy tank flap valve according to claim 3, characterized in that the first strut (2) is in the shape of an umbrella handle, the free end of the first strut (2) is fixed with a buffer block (15), and the buffer block (15) is made of rubber.

5. The adaptively sealed buoyancy tank flap valve according to claim 4, characterized in that the cross section of the sliding block (9) is concave, and the concave surface of the sliding block (9) is attached to the end of the pipe body (1).

6. The adaptive sealing buoyancy tank flap valve according to claim 5, characterized in that the end port of the pipe body (1) close to the end cover (3) forms an angle of 70 degrees with the horizontal plane.