Leak-proof sealing valve

Abstract

The utility model discloses a leakproof sealing valve which comprises a valve body and an adjusting bin, a butterfly valve plate and a partition plate are arranged inside the valve body, and the partition plate is fixedly connected inside the adjusting bin. According to the leakproof sealing valve, the valve body, the adjusting bin, the butterfly valve piece, the partition plate and the sealing air bag are matched with one another, the butterfly valve piece is matched with the rubber sealing sleeve, the interior of the valve body is sealed, meanwhile, when the valve is closed, a gap between the connecting shaft and the valve body is sealed through the sealing plug, meanwhile, the rotating handle is rotated, and the valve body is sealed. A push block descends under the action of an extrusion ring, a sealing top plate extrudes a sealing air bag, so that the sealing air bag is more attached to the inner wall of an adjusting bin, the sealing performance in the adjusting bin is further improved, and the sealing performance of the adjusting bin is further improved through a sealing rubber ring; and through the multi-layer sealing effect, medium overflow of a medium in the valve through a gap between the connecting rod and the valve body is avoided, and the risk of leakage is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to sealing valve technical field, concretely relates to a kind of leakproof sealing valves. BACKGROUND

[0002] Valve is the control element in fluid conveying system, with cutting off, regulating, flow guiding, preventing backflow, pressure stabilizing, shunting or overflow pressure relief function, the valve used in fluid control system is various, from the simplest stop valve to extremely complex automatic control system.

[0003] As publication (announcement) No. CN118462844A, the butterfly valve structure with special-shaped valve seat is disclosed, belongs to butterfly valve field, it includes valve body, valve stem, butterfly plate and special-shaped valve seat structure;Cavity is formed in the valve body, and the cavity is through the valve body along the transverse direction;Valve stem is inserted into the valve body along the vertical direction, and one end is located in the cavity, and the butterfly plate is sleeved on the outer periphery of valve stem;Corresponding special-shaped valve seat structure, recess is formed in the cavity along the ring direction, and the special-shaped valve seat structure is arranged in the recess in the cavity, for matching with the outer periphery of butterfly plate;Special-shaped valve seat structure includes elastomer and connecting unit, elastomer is closely attached in recess, one end of connecting unit is inserted into elastomer along the vertical direction, and the other side is closely attached with butterfly plate.The present application provides a kind of butterfly valve structure with special-shaped valve seat, which is designed by composite valve seat structure, so that the valve seat can keep the basic sealing requirement, and the overall wear resistance is better by optimizing the shape structure design, and the service life is longer.

[0004] But the above-mentioned medium is cut off by the rotation of the butterfly piece, but the cutting position may still have a gap, which may cause the medium to overflow, on the other hand, when the medium pressure is too large, the position of the butterfly piece may be rotated and deviated, causing the valve to have a gap, and thus causing the medium to leak, therefore, a leakproof sealing valve needs to be proposed. UTILITY MODEL CONTENTS

[0005] In view of the problems existing in the prior art, the utility model provides a kind of leakproof sealing valve.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of leakproof sealing valve, comprising: valve body and adjusting bin, the inside of the valve body is provided with butterfly valve piece;

[0008] Partition, the partition is fixedly connected in the inside of adjusting bin;

[0009] Sealing air bag, the sealing air bag is installed in the inside of adjusting bin and located above the partition.

[0010] Preferably, further comprising:

[0011] A movable slot is arranged on the top of the partition plate.

[0012] A movable block is rotatable in the movable slot.

[0013] A rotating plate is fixedly connected to the top of the movable block, and the sealing air bag is fixedly connected to the rotating plate.

[0014] Preferably, the application further comprises:

[0015] A sealing top plate is fixedly connected to the top of the sealing air bag.

[0016] A sealing rubber gasket is sleeved on the surface of the sealing top plate.

[0017] Preferably, the application further comprises:

[0018] An extrusion ring is fixedly connected to the top of the inner wall of the adjusting chamber.

[0019] A clamping slot is arranged on the bottom of the extrusion ring.

[0020] A stop block is fixedly connected to the bottom of the extrusion ring.

[0021] Preferably, the application further comprises:

[0022] A push block is in contact with the extrusion ring, and the push block is fixedly connected to the sealing top plate.

[0023] A clamping block is fixedly connected to the top of the push block and is matched with the clamping slot.

[0024] Preferably, the application further comprises:

[0025] A rotating rod is fixedly connected to the top of the push block.

[0026] A rotating shaft is rotatable on the top of the adjusting chamber.

[0027] A rotating handle is fixedly connected to the top of the rotating shaft.

[0028] A return spring connects the push block and the inner wall of the adjusting chamber.

[0029] Preferably, the application further comprises:

[0030] A handle is fixedly connected to the top of the rotating handle.

[0031] An adjusting slot is arranged in the handle.

[0032] An adjusting block is movable in the adjusting slot.

[0033] A pressing spring is arranged to connect the adjusting block with the adjusting groove.

[0034] A grabbing block is fixedly connected with the adjusting block.

[0035] Preferably, the utility model further comprises:

[0036] A limiting groove is arranged on the top of the adjusting bin.

[0037] A limiting block is fixedly connected on the bottom of the adjusting block and can move in the inside of the handle.

[0038] A sealing plug is fixedly connected on the surface of the connecting shaft on the bottom of the rotating plate and is located at the joint of the valve body and the adjusting bin.

[0039] A rubber sealing sleeve is sleeved on the surface of the butterfly valve piece.

[0040] Compared with the prior art, the utility model has the beneficial effects as follows:

[0041] 1. The utility model discloses a valve body, adjusting bin, butterfly valve piece, partition and the mutual cooperation between the sealing air bag, realize a kind of anti-leakage sealing valve, and butterfly valve piece cooperates with rubber sealing sleeve, realizes sealing to the inside of valve body, simultaneously, when valve is closed, the gap between connecting shaft and valve body is sealed by sealing plug, simultaneously, handle is rotated, push block is lowered under the action of extruding ring, sealing top plate extrudes sealing air bag, so that the inner wall of sealing air bag adjusting bin is more fitted, further improve the sealing property in adjusting bin, while, the sealing rubber ring further improves the sealing property of adjusting bin, avoids medium overflow between the gap between connecting rod and valve body by the multi-layer sealing effect, avoids the risk of leakage.

[0042] 2. In the utility model, the position of push block is limited by the clamping block and the clamping groove, the stability of butterfly valve is ensured, the position of butterfly valve piece is prevented from rotating deviation under the impact of medium, and the sealing property of valve is ensured.

[0043] 3. In the utility model, the limiting block and the limiting groove provide double insurance for the limiting of push block, avoid the deviation of the angle of butterfly valve piece under the impact of medium due to the fracture of clamping block.

[0044] 4. In the utility model, the reset spring enables push block to be self-adapting adjusted during rotation. DRAWINGS

[0045] Fig. 1 It is the structure section view of the front view of the utility model.

[0046] Fig. 2 It is the sectional view of the front view of the utility model;

[0047] Fig. 3 It is the structural schematic view of the push block and the clamping block of the utility model.

[0048] In the figure,

[0049] 1 valve body, 2 adjusting bin, 3 butterfly valve piece, 4 baffle, 5 sealing air bag, 6 movable groove, 7 movable block, 8 rotating plate, 9 sealing top plate, 10 sealing rubber gasket ring, 11 extrusion ring, 12 clamping groove, 13 stop block, 14 push block, 15 clamping block, 16 rotating rod, 17 rotating shaft, 18 rotating handle, 19 return spring, 20 handle, 21 adjusting groove, 22 adjusting block, 23 extrusion spring, 24 grabbing block, 25 limiting groove, 26 limiting block, 27 sealing plug, 28 rubber sealing sleeve. DETAILED DESCRIPTION

[0050] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0051] As shown in Figs. 1-3 the utility model provides an embodiment, a kind of leakage-proof sealing valve, comprising: valve body 1 and adjusting bin 2.

[0052] Extrusion ring 11, extrusion ring 11 is fixedly connected to the top of the inner wall of adjusting bin 2.

[0053] Clamping groove 12, clamping groove 12 is set in the bottom of extrusion ring 11.

[0054] Stop block 13, stop block 13 is fixedly connected to the bottom of extrusion ring 11.

[0055] Push block 14, push block 14 is in contact with extrusion ring 11, push block 14 is fixedly connected with sealing top plate 9.

[0056] Rotating rod 16, rotating rod 16 is fixedly connected to the top of push block 14.

[0057] Rotating shaft 17, rotating shaft 17 can rotate at the top of adjusting bin 2.

[0058] Rotating handle 18, rotating handle 18 is fixedly connected to the top of rotating shaft 17.

[0059] Return spring 19, return spring 19 connects push block 14 and the inner wall of adjusting bin 2, so that push block 14 can be self-adapting adjustment in the rotating process.

[0060] handle 20, handle 20 is fixedly connected at the top of the handle 18.

[0061] adjusting groove 21, adjusting groove 21 is set in the inside of handle 20.

[0062] adjusting block 22, adjusting block 22 can be active in the inside of adjusting groove 21.

[0063] extrusion spring 23, extrusion spring 23 connects adjusting block 22 with adjusting groove 21.

[0064] grab block 24, grab block 24 is fixedly connected with adjusting block 22.

[0065] card block 15, card block 15 is fixedly connected at the top of the push block 14, and is matched with the card slot 12, the position of the push block 14 is limited, the stability of the disc valve is guaranteed, the position of the disc valve plate 3 is avoided to rotate deviation under the impact of medium, and the sealing property of the valve body 1 is guaranteed.

[0066] the inside of valve body 1 is provided with disc valve plate 3.

[0067] partition plate 4, the partition plate 4 is fixedly connected in the inside of adjusting bin 2.

[0068] movable groove 6, movable groove 6 is set in the top of the partition plate 4.

[0069] movable block 7, movable block 7 can rotate in the inside of movable groove 6.

[0070] turning plate 8, turning plate 8 is fixedly connected at the top of the movable block 7, and the sealing air bag 5 is fixedly connected with the turning plate 8.

[0071] sealing air bag 5, sealing air bag 5 is installed in the inside of adjusting bin 2 and above the partition plate 4.

[0072] sealing top plate 9, sealing top plate 9 is fixedly connected at the top of the sealing air bag 5, turning handle 18, push block 14 is lowered under the action of extrusion ring 11, sealing top plate 9 extrudes sealing air bag 5, so that the sealing air bag 5 adjusts the wall of the adjusting bin 2 more closely, further improves the sealing property in the adjusting bin 2.

[0073] sealing rubber ring 10, sealing rubber ring 10 is set on the surface of the sealing top plate 9, sealing rubber ring 10 further improves the sealing property of the adjusting bin 2, and avoids the risk of leakage by preventing the medium in the valve body 1 from overflowing through the gap between the connecting rod and the valve body 1 through the multi-layer sealing effect.

[0074] handle 20, handle 20 is fixedly connected at the top of the handle 18.

[0075] Adjusting groove 21, adjusting groove 21 is opened in the inside of handle 20.

[0076] Adjusting block 22, adjusting block 22 can be active in the inside of adjusting groove 21.

[0077] Squeeze spring 23, squeeze spring 23 is connected with adjusting block 22 and adjusting groove 21.

[0078] Grab block 24, grab block 24 is fixedly connected with adjusting block 22, and it is convenient for operating personnel to grip, and the operation pressure of operating personnel is reduced.

[0079] Limiting groove 25, limiting groove 25 is opened in the top of adjusting bin 2.

[0080] Limiting block 26, limiting block 26 is fixedly connected at the bottom of adjusting block 22, limiting block 26 can be active in the inside of handle 18, and the limiting of push block 14 is provided with double insurance, so that the angle of butterfly valve disc 3 is avoided from being deviated under the impact of medium because of the rupture of clamping block 15.

[0081] Sealing plug 27, sealing plug 27 is fixedly connected on the surface of connecting shaft at the bottom of rotating plate 8, and is located at the joint of valve body 1 and adjusting bin 2, when the valve is closed, the gap between connecting shaft and valve body 1 is sealed through sealing plug 27.

[0082] Rubber sealing sleeve 28, rubber sealing sleeve 28 is sleeved on the surface of butterfly valve disc 3, and butterfly valve disc 3 cooperates with rubber sealing sleeve 28 to realize the sealing of the inside of valve body 1.

[0083] In order to facilitate the understanding of the above technical scheme of the utility model, the working principle or operation mode of the utility model in the actual process is described in detail.

[0084] The utility model provides a kind of leak-proof sealing valve, when using, pinch grab block 24, rotate handle 18, drive butterfly valve disc 3 rotation to close valve body 1, at this time, push block 14 is lowered under the action of squeeze ring 11, clamping block 15 is clamped into card slot 12, the angle of butterfly valve disc 3 is limited, simultaneously, loosen grab block 24, so that limiting block 26 is clamped into limiting groove 25, complete double insurance, butterfly valve disc 3 cooperates with rubber sealing sleeve 28, to realize the sealing of the inside of valve body 1, sealing plug 27 seals the gap between connecting shaft and valve body 1, sealing top plate 9 extrudes sealing air bag 5, so that the inner wall of adjusting bin 2 of sealing air bag 5 is more close, finally, sealing rubber ring 10 further improves the sealing property of adjusting bin 2, and the medium overflow in the gap between connecting rod and valve body 1 in valve body 1 is avoided by multilayer sealing effect.

[0085] In summary: the kind of anti-leakage sealing valve, by the mutual cooperation between the valve body 1, the adjusting bin 2, the butterfly valve piece 3, the baffle 4 and the sealing air bag 5, the problem mentioned in the background art is solved.

[0086] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A leak-tight sealed valve, comprising: The utility model relates to a butterfly valve, including valve body (1) and adjusting bin (2), its characterized in be: the inside of valve body (1) is provided with butterfly valve piece (3), The inside of adjusting bin (2) is fixedly connected with the partition (4), The inside of adjusting bin (2) is installed with the sealed air bag (5) and is located the upper portion of partition (4).

2. A leak-tight sealing valve according to claim 1, characterized in that: Further including, The top of partition (4) is provided with the movable groove (6), The movable block (7) can rotate in the movable groove (6), The top of movable block (7) is fixedly connected with the rotating plate (8), and the sealed air bag (5) is fixedly connected with the rotating plate (8).

3. A leak-tight sealing valve according to claim 2, characterized in that: Further including, The top of sealed air bag (5) is fixedly connected with the sealing top plate (9), The surface of sealing top plate (9) is sleeved with the sealing rubber gasket ring (10).

4. A leak-tight sealing valve according to claim 3, characterized in that: Further including, The top of adjusting bin (2) inner wall is fixedly connected with the extrusion ring (11), The bottom of extrusion ring (11) is provided with the clamping groove (12), The bottom of extrusion ring (11) is fixedly connected with the stopper (13).

5. A leak-tight sealing valve according to claim 4, characterized in that: Further including, The push block (14) is in contact with the extrusion ring (11), and the push block (14) is fixedly connected with the sealing top plate (9), The top of push block (14) is fixedly connected with the clamping block (15), and the clamping block (15) is matched with the clamping groove (12).

6. A leak-tight sealing valve according to claim 5, characterized in that: Further including, The top of push block (14) is fixedly connected with the rotating rod (16), The top of adjusting bin (2) is rotatable with the rotating shaft (17), The top of rotating shaft (17) is fixedly connected with the handle (18), The inner wall of adjusting bin (2) is connected with the push block (14) through the reset spring (19).

7. A leak-tight sealing valve according to claim 6, characterized in that: Further including, The top of handle (18) is fixedly connected with the handle (20), The inside of handle (20) is provided with the adjusting groove (21), The inside of adjusting groove (21) is movable with the adjusting block (22), The adjusting block (22) is connected with the adjusting groove (21) through the extrusion spring (23), The adjusting block (22) is fixedly connected with the grabbing block (24).

8. A leak-tight sealing valve according to claim 7, characterized in that: Further including, The top of adjusting bin (2) is provided with the limiting groove (25), The bottom of adjusting block (22) is fixedly connected with the limiting block (26), and the limiting block (26) is movable in the handle (18), The surface of connecting shaft of the bottom of rotating plate (8) is fixedly connected with the sealing plug (27), and the sealing plug (27) is located at the junction of valve body (1) and adjusting bin (2), The surface of butterfly valve piece (3) is sleeved with the rubber sealing sleeve (28).

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