Rotary locking gate valve

Abstract

The utility model relates to the technical field of valves, and provides a rotary locking gate valve which comprises a valve body, connecting pipelines are fixedly embedded in the two sides of the inner wall of the valve body, connecting plates are fixedly installed on the outer surfaces of the two sides of the valve body, and sealing rings are fixedly installed on the outer sides of the two connecting plates. The two sealing rings are fixedly arranged on the outer surface of the connecting pipeline in a sleeving mode, and the two connecting rings are movably arranged on the outer surfaces of the two sides of the valve body in a sleeving mode. By means of the technical scheme, the installation steps can be simplified, the installation difficulty can be reduced, the working efficiency can be improved, meanwhile, through combination of the sealing ring and the sealing gasket, a better pressing effect can be formed at the joint, and displacement and deformation caused by fluid pressure or temperature changes are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field especially, it relates to a rotary locking gate valve. BACKGROUND

[0002] The rotary locking gate valve is a kind of special gate valve, and the opening and closing of valve are realized by rotating operation, and it has locking function, ensures the stability and safety of valve in specific position, and this valve is usually used in the occasion needing frequent operation and requiring high reliability.

[0003] But the rotary locking gate valve of prior art is usually fixed by bolt when being connected with pipeline, this connecting mode can provide mechanical strength to a certain extent, but there are some shortcomings, first, when valve is influenced by fluid pressure or temperature change, bolt connection can not keep constant fastening force, leads to the slight displacement or deformation of connecting place, which can lead to the increase of gap between sealing surfaces, thereby affecting sealing effect, and causing fluid leakage. UTILITY MODEL CONTENTS

[0004] The utility model discloses a rotary locking gate valve, which can solve the problem that the bolt connection cannot keep constant fastening force when the valve is influenced by fluid pressure or temperature change.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a rotary locking gate valve, comprising a valve body, the inner wall of the valve body is fixedly embedded with a connecting pipeline on both sides, the outer surface of the valve body is fixedly installed with a connecting plate on both sides, the outer side of the two connecting plates is fixedly installed with a sealing ring, the outer surface of the connecting pipeline is fixedly sleeved with the two sealing rings, the outer surface of the valve body is movably sleeved with two connecting rings on both sides, the four connecting rings are divided into two groups, the front side of the two groups of connecting rings is provided with a hinge, the inner wall of the two connecting rings is fixedly installed with a sealing gasket, the outer surface of the connecting plate is movably sleeved with the two sealing gaskets, and the rear side of the four connecting rings is fixedly installed with a fixed plate.

[0006] As a preferred embodiment, the inner sides of the two fixed plates are threadedly connected with first bolts, and the inner sides of the other two fixed plates are provided with threaded holes.

[0007] The technical effect of the above-mentioned further scheme is that the connecting rings can be flipped to make the two fixed plates adhere to each other.

[0008] As a preferred embodiment, the four first bolts are matched with the threaded holes, and a sleeve is fixedly installed on the top of the valve body.

[0009] The technical effect of the further scheme is that the first bolt can be embedded in the threaded hole.

[0010] As a preferred embodiment, the inner side of the sleeve is movably embedded with a blocking piece, and the inner wall of the sleeve is provided with a sliding groove on both sides.

[0011] The technical effect of the further scheme is that the blocking piece can slide in the inner side of the sleeve.

[0012] As a preferred embodiment, the outer surface of the blocking piece is movably embedded in the inner wall of the valve body, and the inner surface of the two sliding grooves is slidably connected with a sliding block.

[0013] The technical effect of the further scheme is that the blocking piece can be embedded in the inner side of the valve body and fixed.

[0014] As a preferred embodiment, the inner side of the two sliding blocks is fixedly installed on the outer surface of the blocking piece, and the top of the blocking piece is movably connected with a screw rod.

[0015] The technical effect of the further scheme is that the blocking piece can be moved by the screw rod.

[0016] As a preferred embodiment, the top of the screw rod is fixedly installed with a crank handle, the inner top side of the sleeve is fixedly installed with a nut, and the screw rod is threadedly connected in the inner side of the nut.

[0017] The technical effect of the further scheme is that the screw rod can be rotated by the crank handle.

[0018] As a preferred embodiment, the top of the sleeve is fixedly installed with a limiting piece, the outer surface of the screw rod is movably embedded in the inner side of the limiting piece, and the inner right side of the limiting piece is threadedly connected with a second bolt.

[0019] The technical effect of the further scheme is that the second bolt can be rotated in the positive direction to slide to the left through the limiting piece.

[0020] Compared with the prior art, the utility model has the advantages and positive effects that,

[0021] 1. The utility model discloses, when using, through the setting of connecting ring and sealing ring structure, through the pipe sleeve setting to the connecting pipeline, and using the cooperation of connecting ring and fixed plate, can simplify the installation step, reduce the installation difficulty, improve work efficiency, can form better compression effect at the joint through the combination of sealing washer and sealing washer, reduce the displacement and deformation caused by fluid pressure or temperature change, solve the problem that the bolt fixed mode is used in the prior art, when the valve is affected by fluid pressure or temperature change, bolt connection can not keep constant fastening force, cause the small displacement or deformation of joint.

[0022] 2. The utility model discloses, when using, through the setting of screw rod and stop piece structure, not only make personnel can rotate the handle drive screw rod, conveniently control the on-off state of valve body, need not complicated tool or equipment, and the second bolt can effectively prevent screw rod from loosening in the use process through the limiting piece fixed screw rod, ensure the stability of valve. ACCURACY OF DRAWINGS

[0023] Figure 1 It is a rear view solid structure schematic diagram of the utility model provides a rotary locking gate valve;

[0024] Figure 2 It is a valve body sectional view solid structure schematic diagram of the utility model provides a rotary locking gate valve Figure One ;

[0025] Figure 3 It is a partial solid structure schematic diagram of the utility model provides a rotary locking gate valve;

[0026] Figure 4 It is a valve body sectional view solid structure schematic diagram of the utility model provides a rotary locking gate valve Figure Two .

[0027] LEGEND:

[0028] 1, valve body;101, connecting pipeline;102, connecting plate;103, sealing washer;104, connecting ring;105, hinge;106, sealing washer;107, fixed plate;108, first bolt;109, screw hole;2, sleeve;201, stop piece;202, sliding slot;203, sliding block;204, screw rod;205, nut;206, handle;207, limiting piece;208, second bolt. DETAILED DESCRIPTION

[0029] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0030] Embodiment 1, please refer to Figures 1 to 4 The utility model provides a technical scheme: a rotary locking gate valve, including the valve body 1, the inner wall both sides of valve body 1 are fixedly embedded with the connecting pipeline 101, the both sides outer surface of valve body 1 are fixedly installed with the connecting plate 102, the outside of two connecting plates 102 are fixedly installed with the sealing ring 103, two sealing rings 103 are fixedly sleeved on the outer surface of connecting pipeline 101, the both sides outer surface of valve body 1 are movably sleeved with two connecting rings 104, four connecting rings 104 are divided into two groups one by one, the front side of two connecting rings 104 are provided with the hinge 105, the inner wall of two connecting rings 104 are fixedly installed with the sealing pad 106, two sealing pads 106 are movably sleeved on the outer surface of connecting plate 102, the rear side of four connecting rings 104 are fixedly installed with the fixed plate 107, the inside both sides of two fixed plates 107 are threadedly connected with first bolt 108, the inside both sides of the other two fixed plates 107 are provided with threaded hole 109, four first bolts 108 are matched with threaded hole 109, the top of valve body 1 is fixedly installed with the sleeve pipe 2.

[0031] In the embodiment, the personnel first picks up the pipeline and sleeves it to the outer surface of the connecting pipeline 101, and pushes the external pipeline to make the flange inside it adhere to the outside of the sealing ring 103, then picks up the threaded nail, makes it embedded into the inside of the flange of the external pipeline through the screw hole in the sealing ring 103 and the connecting plate 102, and then preliminarily fixes the valve body 1 and the pipeline, then the personnel picks up the connecting ring 104, makes it turn over through the hinge 105, when it turns over to a certain degree, it will drive the sealing pad 106 to sleeve to the outer surface of the connecting ring 104 and the flange, and drive the two fixed plates 107 to adhere, then the personnel rotates the first bolt 108 to make it embedded into the inside of the threaded hole 109, and then completes the installation of the valve body 1 and the external pipeline, and through the arrangement of the connecting ring 104 and the sealing ring 103 structure, by sleeving the pipeline on the connecting pipeline 101, and using the cooperation of the connecting ring 104 and the fixed plate 107, the installation steps can be simplified, the installation difficulty can be reduced, and the work efficiency can be improved, and through the combination of the sealing ring 103 and the sealing pad 106, better compression effect can be formed at the connection, and displacement and deformation caused by fluid pressure or temperature change can be reduced.

[0032] Embodiment 2, as Figures 1 to 4 As shown, the inner part of the sleeve 2 is movably embedded with the blocking piece 201, the inner wall of the sleeve 2 is provided with the sliding groove 202 on both sides, the outer surface of the blocking piece 201 is movably embedded in the inner wall of the valve body 1, the inner surface of the two sliding grooves 202 is slidably connected with the sliding block 203, the inner side of the two sliding blocks 203 is fixedly installed on the outer surface of the blocking piece 201, the top of the blocking piece 201 is movably connected with the screw rod 204, the top of the screw rod 204 is fixedly installed with the crank 206, the inner top side of the sleeve 2 is fixedly installed with the nut 205, the screw rod 204 is threadedly connected in the inner part of the nut 205, the top of the sleeve 2 is fixedly installed with the limiting piece 207, the outer surface of the screw rod 204 is movably embedded in the inner part of the limiting piece 207, and the inner right side of the limiting piece 207 is threadedly connected with the second bolt 208.

[0033] In the embodiment, personnel can rotate the crank 206 to drive the screw rod 204 to rotate in the inner part of the nut 205 on the sleeve 2, so that the screw rod 204 can push the blocking piece 201 downward when rotating, and the sliding block 203 is driven by the blocking piece 201 to slide downward on the inner surface of the sliding groove 202, when the blocking piece 201 slides to a certain extent, the blocking piece 201 will be embedded in the inner part of the valve body 1, then personnel rotates the second bolt 208 in the forward direction, so that it slides to the left through the limiting piece 207, when it slides to a certain extent, one end of the second bolt 208 will fit the outer surface of the screw rod 204, so as to fix the screw rod 204, and through the structure of the screw rod 204 and the blocking piece 201, personnel can rotate the crank 206 to drive the screw rod 204, so as to conveniently control the opening and closing state of the valve body 1, without the need for complex tools or equipment, and at the same time, the second bolt 208 fixes the screw rod 204 through the limiting piece 207, which can effectively prevent the screw rod 204 from loosening during use, and ensure the stability of the valve.

[0034] Working principle: in use, personnel first take the pipe and set it to the outer surface of the connecting pipe 101, and push the external pipe to make the flange inside it fit the outer side of the sealing ring 103, then take the threaded nail and make it embedded into the inside of the flange of the external pipe through the screw hole in the sealing ring 103 and the connecting plate 102, and then preliminarily fix the valve body 1 and the pipe, then personnel take the connecting ring 104 and make it turn through the hinge 105, when it turns to a certain degree, it will drive the sealing gasket 106 to set to the outer surface of the connecting ring 104 and the flange, and drive the two fixed plates 107 to fit, then personnel rotate the first bolt 108 to make it embedded into the inside of the threaded hole 109, and then complete the installation of the valve body 1 and the external pipe, and through the structure of the connecting ring 104 and the sealing ring 103, by setting the pipe on the connecting pipe 101, and using the cooperation of the connecting ring 104 and the fixed plate 107, the installation steps can be simplified, the installation difficulty can be reduced, and the working efficiency can be improved, and through the combination of the sealing ring 103 and the sealing gasket 106, better compression effect can be formed at the connection, and displacement and deformation caused by fluid pressure or temperature change can be reduced. In use, personnel can rotate the handle 206 to drive the screw rod 204 to rotate in the inside of the nut 205 on the sleeve 2, so that the screw rod 204 can push down the plug 201 when rotating, and the sliding block 203 is driven by the plug 201 to slide downward on the inner surface of the sliding groove 202, when the plug 201 slides to a certain degree, the plug 201 is embedded into the inside of the valve body 1, then personnel rotate the second bolt 208 to make it slide to the left through the limiting piece 207, when it slides to a certain degree, one end of the second bolt 208 fits the outer surface of the screw rod 204, and then the screw rod 204 is fixed, and through the structure of the screw rod 204 and the plug 201, personnel can rotate the handle 206 to drive the screw rod 204, so as to conveniently control the opening and closing state of the valve body 1 without complicated tools or equipment, and the second bolt 208 fixes the screw rod 204 through the limiting piece 207, which can effectively prevent the screw rod 204 from loosening during use, and ensure the stability of the valve.

[0035] The above is only a preferred embodiment of the present application, and does not limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application still belongs to the protection scope of the technical scheme of the present application.

Claims

1. A rotary lock gate valve comprising a valve body (1), characterized in that: The inner wall of the valve body (1) is fixedly embedded with a connecting pipeline (101) on both sides, the outer surface of the valve body (1) is fixedly installed with a connecting plate (102) on both sides, the outer side of the two connecting plates (102) is fixedly installed with a sealing ring (103), the two sealing rings (103) are fixedly sleeved on the outer surface of the connecting pipeline (101), the outer surface of the valve body (1) is movably sleeved with two connecting rings (104), four connecting rings (104) are divided into two groups, the front side of the two groups of connecting rings (104) is provided with a hinge (105), the inner wall of the two connecting rings (104) is fixedly installed with a sealing gasket (106), the two sealing gaskets (106) are movably sleeved on the outer surface of the connecting plate (102), and the rear side of the four connecting rings (104) is fixedly installed with a fixed plate (107).

2. A rotary lock gate valve according to claim 1, characterized in that: The inner sides of two of the fixed plates (107) are threadedly connected with first bolts (108), and the inner sides of the other two fixed plates (107) are provided with threaded holes (109).

3. A rotary lock gate valve according to claim 2, wherein: The four first bolts (108) are matched with the threaded holes (109), and the top of the valve body (1) is fixedly installed with a sleeve (2).

4. A rotary lock gate valve according to claim 3, wherein: The inside of the sleeve (2) is movably embedded with a plug (201), and the inner wall of the sleeve (2) is provided with a sliding groove (202) on both sides.

5. A rotary lock gate valve according to claim 4, wherein: The outer surface of the plug (201) is movably embedded in the inner wall of the valve body (1), and the inner surfaces of the two sliding grooves (202) are slidably connected with sliding blocks (203).

6. A rotary lock gate valve according to claim 5, wherein: The inner sides of the two sliding blocks (203) are fixedly installed on the outer surface of the plug (201), and the top of the plug (201) is movably connected with a screw rod (204).

7. A rotary lock gate valve according to claim 6, wherein: The top of the screw rod (204) is fixedly installed with a crank handle (206), the inside of the sleeve (2) is fixedly installed with a nut (205) on the top side, and the screw rod (204) is threadedly connected in the inside of the nut (205).

8. A rotary lock gate valve according to claim 7, characterized in that: The top of the sleeve (2) is fixedly installed with a limiting piece (207), the outer surface of the screw rod (204) is movably embedded in the inside of the limiting piece (207), and the inside right side of the limiting piece (207) is threadedly connected with a second bolt (208).

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