Dust hood for valve body

Abstract

The utility model discloses a dust hood for a valve body, which comprises a gate valve and a hood body, a clamping mechanism is clamped outside a discharge pipe of the gate valve, the clamping mechanism comprises a first clamping ring and a second clamping ring, the side end of the first clamping ring is fixedly connected with two insertion plates, the opposite ends of the two insertion plates are fixedly connected with a plurality of first clamping teeth, and the second clamping ring is fixedly connected with a plurality of second clamping teeth. Inserting grooves are formed in the positions, corresponding to the two inserting plates, of the second clamping ring, the two inserting plates are inserted into the two inserting grooves correspondingly, and fixing mechanisms used for fixing the inserting plates are arranged on the upper side and the lower side of the interior of the second clamping ring correspondingly, so that disassembly is facilitated, time and labor are saved in the disassembly process, and the disassembly efficiency is improved; and the dust removal range can be conveniently adjusted according to use requirements, the dust removal comprehensiveness is improved, and the use practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of dust removal covers, and more specifically, to a dust removal cover for a valve body. Background Art

[0002] In the specific production process sections of the pharmaceutical, biological, chemical, food, electronic and other industries, there are processes such as storage tanks or mixing tanks. Discharge valves are used in the production process. Discharge valves are mostly gate valves. When discharging, gate valves will generate dust during the opening or closing process. When the gate valve discharges materials, dust will also be generated when the discharge pipe on the gate valve discharges materials, which pollutes the workshop environment. Dust floating in the working environment will cause harm to the health of workers. According to relevant laws and regulations, similar pollution sources need to be dust-controlled. In order to control dust, a dust cover is installed on the valve body.

[0003] After searching, the utility model patent with Chinese application number CN202322423240.X discloses a valve body dust hood, including a first hood body and a second hood body, which are docked and matched with each other to form a dust hood main body; by dividing the dust hood main body into the first hood body and the second hood body, the equipment is easy to be assembled and installed, and when the equipment needs to be cleaned or an internal fault occurs, it is convenient for maintenance personnel to disassemble, clean and repair the equipment, which reflects the practicality of the device; the dust hood is connected to an external dust removal system, which can prevent dust from overflowing while actively collecting dust, and has a good dust capture effect, which not only reduces the pollution to the workshop environment, but also reduces the risk of workers inhaling powder debris and causing illness.

[0004] The first cover body and the second cover body are connected by multiple bolts, and the disassembly and assembly of the first cover body and the second cover body are cumbersome, time-consuming and labor-intensive, which affects the efficiency of disassembly and assembly. In addition, the sizes of the first cover body and the second cover body are fixed, and it is not convenient to adjust the sizes of the first cover body and the second cover body, and it is not convenient to adjust the dust removal range. In addition, it is not convenient to remove the dust generated during the discharge process of the discharge pipe on the valve body, which reduces the practicality of its use. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the problems existing in the prior art, the utility model provides a dust cover for a valve body to solve the technical problems mentioned in the background technology.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dust removal cover for a valve body, comprising a plug-in valve and a cover body, the outside of the discharge pipe of the plug-in valve is clamped with a clamping mechanism, the clamping mechanism comprises a first clamping ring and a second clamping ring, the side end of the first clamping ring is fixedly connected to two plug-ins, the ends of the two plug-ins opposite to each other are fixedly connected to a plurality of first clamping teeth, the positions of the second clamping ring corresponding to the two plug-ins are provided with slots, the two plug-ins are respectively inserted into the inside of the two slots, and the inner upper side and the inner lower side of the second clamping ring are provided with means for fixing the plug-ins A fixing mechanism, the side end of the cover body is fixedly connected to the side end of the first clamping ring, the end of the cover body away from the first clamping ring is connected to an adjusting cover through an adjusting mechanism, the top of the cover body close to the first clamping ring is connected to a dust removal box, the side end of the dust removal box is connected to a dust removal pipe, the end of the dust removal pipe away from the dust removal box extends to the upper side of the gate valve, the side ends of the dust removal box and the adjusting cover are both connected to dust suction pipes, which is convenient for disassembly, saving time and effort during disassembly, improving disassembly efficiency, facilitating adjustment of the dust removal range according to usage requirements, improving the comprehensiveness of its dust removal, and improving its practicality.

[0009] The utility model is further configured as follows: the fixing mechanism includes a slide plate, the top and bottom ends of the second clamping ring are provided with slide grooves, the slide grooves are connected to corresponding slots, the slide plate slides in cooperation with the slide grooves, one end of the slide plate close to the plug plate is fixedly connected with a plurality of second teeth matched with the first teeth, the top and bottom ends of the second clamping ring are connected with a baffle plate by screws, a pull rod is slidably provided on the baffle plate, the pull rod is fixedly connected to the side end of the slide plate, two compression springs are connected between the sealing plate and the slide plate, which is convenient for fixing the plug plate and for firmly clamping the first clamping ring and the second clamping ring on the discharge pipe of the plug valve.

[0010] The utility model is further configured that a handle is fixedly connected to the side end of the pull rod, so as to facilitate the movement of the pull rod and the slide plate.

[0011] The utility model is further configured as follows: the adjustment mechanism includes an L-shaped plate, the L-shaped plate is fixedly mounted on the cover body, a screw is threadedly connected to the adjustment cover, the screw is rotatably connected to the cover body and the L-shaped plate, an adjustment groove is provided at the side end of the cover body, the adjustment cover is slidably matched with the adjustment groove, so as to facilitate the adjustment of the cover body and the range of the adjustment cover.

[0012] The utility model is further configured that a handle is fixedly connected to the side end of the screw rod to facilitate the rotation of the screw rod.

[0013] The utility model is further configured that one end of the gate valve away from the dust removal pipe is fixedly connected with a sealing plate, and the other end of the gate valve is sealed by the sealing plate.

[0014] The utility model is further configured such that the first clamp ring and the second clamp ring are both fixedly connected with anti-slip pads, thereby increasing the friction force on the surfaces of the first clamp ring and the second clamp ring, and improving the stability of the first clamp ring and the second clamp ring clamped on the discharge pipe of the gate valve.

[0015] The utility model is further configured that the top end of the cover body is fixedly connected to two lifting ears, and the cover body can be lifted conveniently through the lifting ears.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the utility model provides a dust cover for a valve body, which has the following beneficial effects:

[0018] 1. By inserting the two plug plates into the two slots respectively, the plug plates are clamped and fixed by the fixing mechanism, so that the first clamp ring and the second clamp ring are clamped on the outside of the discharge pipe on the plug plate valve, and at the same time, the fixing mechanism is used to stop fixing the plug plates, so that the plug plates can be pulled out from the slots, so that they can be disassembled, which saves time and effort during the disassembly process and improves the disassembly efficiency.

[0019] 2. The adjustment mechanism can be used to adjust the position of the adjustment hood and the area covered by the adjustment hood and the hood body, so that the dust removal range can be adjusted according to the use requirements, thereby improving its practicality.

[0020] 3. The dust generated when the material is discharged from the discharge pipe on the gate valve is sucked away through the cover body and the adjustment cover, and the dust is removed from the discharge pipe position on the gate valve. At the same time, the dust around the gate valve can be sucked away through the dust removal box and the dust removal pipe, which improves the comprehensiveness of its dust removal and the practicality of its use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the front structure of a dust cover for a valve body in the utility model;

[0022] Figure 2 This is a schematic diagram of the structure of a dust cover for a valve body in the utility model when viewed from above;

[0023] Figure 3 This is a schematic diagram of the structure of the connection between the cover body, the adjustment cover and the adjustment mechanism in the utility model;

[0024] Figure 4 It is a structural schematic diagram of the connection between the first clamp ring, the second clamp ring and the fixing mechanism in the utility model;

[0025] Figure 5 It is a schematic cross-sectional structure diagram of the connection between the first clamping ring, the second clamping ring and the fixing mechanism in the utility model.

[0026] In the figure: 1. gate valve; 2. cover body; 3. first clamp ring; 4. second clamp ring; 5. gate; 6. first latch tooth; 7. slot; 8. adjustment cover; 9. dust removal box; 10. dust removal pipe; 11. dust suction pipe; 12. slide plate; 13. slide groove; 14. second latch tooth; 15. baffle; 16. pull rod; 17. compression spring; 18. pull handle; 19. L-shaped plate; 20. screw; 21. turning handle; 22. sealing plate; 23. anti-slip pad; 24. lifting ear; 25. adjustment groove. DETAILED DESCRIPTION

[0027] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0028] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0029] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0030] See also Figure 1-5A dust removal cover for a valve body comprises a gate valve 1 and a cover body 2. Two lifting ears 24 are fixedly connected to the top of the cover body 2. The cover body 2 can be easily lifted by the lifting ears 24. The outside of the discharge pipe of the gate valve 1 is clamped with a clamping mechanism. The clamping mechanism comprises a first clamping ring 3 and a second clamping ring 4. The first clamping ring 3 and the second clamping ring 4 are both fixedly connected with an anti-slip pad 23 to increase the friction force on the surfaces of the first clamping ring 3 and the second clamping ring 4, thereby improving the stability of the first clamping ring 3 and the second clamping ring 4 clamped on the discharge pipe of the gate valve 1. Two gates 5 are fixedly connected to the side ends of the first clamping ring 3. A plurality of first latch teeth 6 are fixedly connected to the opposite ends of the two gates 5. Slots 7 are arranged at positions corresponding to the two gates 5 on the second clamping ring 4. The two gates 5 are respectively inserted into To the inside of the two slots 7, the inner upper side and the inner lower side of the second clamping ring 4 are both provided with fixing mechanisms for fixing the plug plate 5, the side end of the cover body 2 is fixedly connected to the side end of the first clamping ring 3, and the end of the cover body 2 away from the first clamping ring 3 is connected to the adjusting cover 8 through an adjusting mechanism, the top of the cover body 2 close to the first clamping ring 3 is connected to a dust removal box 9, the side end of the dust removal box 9 is connected to a dust removal pipe 10, the end of the dust removal pipe 10 away from the dust removal box 9 extends to the upper side of the plug valve 1, the side ends of the dust removal box 9 and the adjusting cover 8 are both connected to a dust suction pipe 11, the end of the plug valve 1 away from the dust removal pipe 10 is fixedly connected to a sealing plate 22, and the other end of the plug valve 1 is sealed by the sealing plate 22, so that the dust removal pipe 10 can suck away the dust around the plug valve 1.

[0031] In this embodiment, the two plug plates 5 are respectively inserted into the interior of the two slots 7, and the plug plates 5 are clamped and fixed by the fixing mechanism, so that the first clamp ring 3 and the second clamp ring 4 are clamped on the outside of the discharge pipe on the plug valve 1. At the same time, the fixing mechanism is used to stop fixing the plug plate 5, so that the plug plate 5 is conveniently pulled out from the interior of the slot 7, so that it is convenient to disassemble it, which saves time and effort during the disassembly process and improves the efficiency of disassembly. The position of the adjusting cover 8 is conveniently adjusted by the adjusting mechanism, and the area covered by the adjusting cover 8 and the cover body 2 is adjusted, so that the dust removal range can be adjusted according to the use requirements, thereby improving its practicality of use. The dust generated when the discharge pipe on the plug valve 1 is discharged is sucked away by the cover body 2 and the adjusting cover 8, and the dust is removed from the position of the discharge pipe on the plug valve 1. At the same time, the dust removal box 9 and the dust removal pipe 10 can suck away the dust around the plug valve 1, thereby improving the comprehensiveness of its dust removal and improving its practicality of use.

[0032] See also Figure 5The fixing mechanism includes a slide plate 12, and a slide groove 13 is provided at the top and bottom ends of the second clamping ring 4. The slide groove 13 is connected to the corresponding slot 7, and the slide plate 12 slides in cooperation with the slide groove 13. One end of the slide plate 12 close to the plug plate 5 is fixedly connected with a plurality of second teeth 14 adapted to the first teeth 6. The top and bottom ends of the second clamping ring 4 are connected with a baffle 15 by screws, and a pull rod 16 is slidably provided on the baffle 15. The pull rod 16 is fixedly connected to the side end of the slide plate 12, and two compression springs 17 are connected between the sealing plate 22 and the slide plate 12 to facilitate fixing the plug plate 5. A handle 18 is fixedly connected to the side end of the pull rod 16 to facilitate pulling the pull rod 16 and the slide plate 12 to move.

[0033] In this embodiment, the slide plate 12 is pushed downward by the compression spring 17, and the multiple second latch teeth 14 cooperate with the multiple first latch teeth 6 to fix the plug plate 5, so that the plug plate 5 is fixed inside the slot 7, and the first clamp ring 3 is fixedly connected with the second clamp ring 4. By pulling the handle 18 and the pull rod 16 upward, the pull rod 16 drives the slide plate 12 and the multiple second latch teeth 14 to move upward, so that the multiple second latch teeth 14 are separated from the multiple first latch teeth 6, thereby facilitating the pull plate 5 to be pulled out from the inside of the slot 7.

[0034] See also Figure 1-3 The adjustment mechanism includes an L-shaped plate 19, which is fixedly mounted on the cover body 2. A screw 20 is threadedly connected to the adjustment cover 8. The screw 20 is rotatably connected to the cover body 2 and the L-shaped plate 19. An adjustment groove 25 is provided at the side end of the cover body 2. The adjustment cover 8 slides in the adjustment groove 25. A handle 21 is fixedly connected to the side end of the screw 20 to facilitate the rotation of the screw 20.

[0035] In this embodiment, the screw rod 20 is rotated to move the adjustment cover 8 relative to the screw rod 20 , so that the adjustment cover 8 slides inside the adjustment groove 25 , thereby adjusting the cover body 2 and the coverage of the adjustment cover 8 .

[0036] In summary, when the overall equipment is in use:

[0037] The cover body 2 is lifted up, and the first clamp ring 3 is sleeved on the discharge pipe of the gate valve 1, and then the second clamp ring 4 is sleeved on the discharge pipe of the gate valve 1, and the two gates 5 are respectively inserted into the inside of the two slots 7. In the process of inserting the gate plates 5 into the inside of the slots 7, the cooperation of the multiple first latch teeth 6 and the multiple second latch teeth 14 pushes the multiple second latch teeth 14 and the slide plate 12 to move upward, and the first clamp ring 3 and the second clamp ring 4 are pressed against the discharge pipe of the gate valve 1. At the same time, the compression spring 17 pushes the slide plate 12 and the multiple second latch teeth 14 to move downward, and the multiple second latch teeth 14 cooperate with the multiple first latch teeth 6 to engage with the gate valve 1. The plate 5 is fixed so that the first clamping ring 3 and the second clamping ring 4 are firmly clamped on the outside of the discharge pipe of the gate valve 1, thereby fixing the cover body 2 and the adjusting cover 8 on the discharge pipe of the gate valve 1, and then rotating the screw 20. The screw 20 rotates to move the adjusting cover 8 relative to the screw 20, so that the adjusting cover 8 slides inside the adjusting groove 25, and the range covered by the adjusting cover 8 body 2 and the adjusting cover 8 is connected to the external dust removal system by two dust suction pipes 11. The dust removal system connected to the outside works, and the dust at the position of the gate valve 1 and the discharge pipe of the gate valve 1 is sucked away by the dust removal box 9, the dust removal pipe 10, the cover body 2 and the adjusting cover 8 for dust removal.

[0038] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A dust removal cover for a valve body, comprising a gate valve (1) and a cover body (2), characterized in that: The discharge pipe of the plug valve (1) is clamped on the outside with a clamping mechanism, the clamping mechanism comprising a first clamping ring (3) and a second clamping ring (4), the side end of the first clamping ring (3) is fixedly connected to two plug plates (5), the opposite ends of the two plug plates (5) are fixedly connected to a plurality of first clamping teeth (6), the second clamping ring (4) is provided with slots (7) at positions corresponding to the two plug plates (5), the two plug plates (5) are respectively inserted into the inside of the two slots (7), and the inner upper side and the inner lower side of the second clamping ring (4) are provided with slots for A fixing mechanism for fixing the plug plate (5), the side end of the cover body (2) is fixedly connected to the side end of the first clamping ring (3), the end of the cover body (2) away from the first clamping ring (3) is connected to an adjusting cover (8) through an adjusting mechanism, the top of the cover body (2) close to the first clamping ring (3) is connected to a dust removal box (9), the side end of the dust removal box (9) is connected to a dust removal pipe (10), the end of the dust removal pipe (10) away from the dust removal box (9) extends to the upper side of the plug plate valve (1), and the side ends of the dust removal box (9) and the adjusting cover (8) are both connected to dust suction pipes (11).

2. The valve body dust cover according to claim 1, characterized in that: The fixing mechanism comprises a slide plate (12), the top and bottom ends of the second clamping ring (4) are both provided with a slide groove (13), the slide groove (13) is connected with the corresponding slot (7), the slide plate (12) and the slide groove (13) are slidably matched, one end of the slide plate (12) close to the plug plate (5) is fixedly connected with a plurality of second teeth (14) adapted to the first teeth (6), the top and bottom ends of the second clamping ring (4) are both connected with a baffle plate (15) by screws, a pull rod (16) is slidably provided on the baffle plate (15), the pull rod (16) is fixedly connected with the side end of the slide plate (12), and two compression springs (17) are connected between the sealing plate (22) and the slide plate (12).

3. A dust cover for a valve body according to claim 2, characterized in that: A pull handle (18) is fixedly connected to the side end of the pull rod (16).

4. The valve body dust cover according to claim 1, characterized in that: The adjustment mechanism comprises an L-shaped plate (19), the L-shaped plate (19) being fixedly mounted on the cover body (2), a screw rod (20) being threadedly connected to the adjustment cover (8), the screw rod (20) being rotatably connected to the cover body (2) and the L-shaped plate (19), an adjustment groove (25) being arranged at a side end of the cover body (2), and the adjustment cover (8) being slidably matched with the adjustment groove.

5. The valve body dust cover according to claim 4, characterized in that: The side end of the screw rod (20) is fixedly connected to a turning handle (21).

6. The valve body dust cover according to claim 1, characterized in that: One end of the gate valve (1) away from the dust removal pipe (10) is fixedly connected to a sealing plate (22).

7. The valve body dust cover according to claim 1, characterized in that: The first clamping ring (3) and the second clamping ring (4) are both fixedly connected with an anti-slip pad (23).

8. The valve body dust cover according to claim 1, characterized in that: The top end of the cover body (2) is fixedly connected to two lifting ears (24).

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