A pneumatic ceramic double gate valve

Abstract

The utility model discloses a pneumatic ceramic double-disc gate valve, which relates to the technical field of double-disc gate valves; the utility model comprises a valve body, a symmetrically distributed upper package plate is arranged on the outer side of the valve body, two corresponding lower package plates are arranged on the outer side of the valve body and below the upper package plate, a mounting groove is opened on one side of the top end of one of the lower packages, a bearing is fixedly installed inside the mounting groove, and a threaded rod is fixedly connected inside the bearing; by arranging the upper package plate and the lower package plate cover on the outer side of the valve body, and making the hole positions of the through holes on the upper package plate and the lower package plate correspond, then the bolts are movably passed through the two corresponding through holes, and by tightening the nuts, the upper package plate and the lower package plate are fixed to the outer side of the valve body, the support plate is used to stably support the valve body, and the stability of the valve body when it is placed is further improved, and the cooperation between the damping rod and the shock-absorbing spring can produce a certain protective effect on the bottom end of the valve body, and the protective performance of the equipment is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of double-disc gate valves, in particular to a pneumatic ceramic double-disc gate valve. Background Art

[0002] Pneumatic ceramic double disc valve is a valve product, mainly composed of pneumatic actuator and ceramic double disc. The pneumatic actuator realizes the opening and closing of the valve by controlling the air source; the ceramic double disc is the key component of the valve, made of ceramic material, with the advantages of corrosion resistance, wear resistance, good sealing, etc. This valve is usually used in chemical, petroleum, metallurgy and other industries, can be used to control the flow of various media, has good wear resistance and corrosion resistance, suitable for use under special working conditions.

[0003] However, the pneumatic ceramic double gate valve is unstable when placed, which can easily cause the valve body to roll and cause collision. When the valve body is docked with the pipeline, the staff is required to lift the valve body to the same height as the pipeline connection end, thereby increasing the labor input. In view of the above problems, the inventor proposes a pneumatic ceramic double gate valve to solve the above problems. Utility Model Content

[0004] In order to solve the problem of inconvenient installation of pneumatic ceramic double-disc valve, the utility model aims to provide a pneumatic ceramic double-disc valve.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: a pneumatic ceramic double gate valve, comprising a valve body, a symmetrically distributed upper package plate is arranged on the outer side of the valve body, and two corresponding lower package plates are arranged on the outer side of the valve body and below the upper package plate, wherein a mounting groove is opened on one side of the top end of one of the lower packages, a bearing is fixedly installed inside the mounting groove, a threaded rod is fixedly connected inside the bearing, a bottom plate is arranged at the bottom end of the valve body, a fixing cylinder is fixedly connected at the four corners of the top end of the bottom plate, the bottom end of the threaded rod movably passes through the lower package plate and is threadedly connected to the fixing cylinder, flanges are fixedly connected at both ends of the valve body, a sealing groove is opened on the side of the flanges away from each other, and a sealing ring is arranged inside the sealing groove.

[0006] Preferably, through holes are provided on both sides of the top ends of the upper and lower enclosing plates, and symmetrically distributed bolts are provided at the bottom end of the lower enclosing plates, and the top ends of the bolts are movable through the corresponding two through holes and are threadedly connected.

[0007] Preferably, a support plate is provided at the bottom end of the base plate, damping rods are fixedly connected at the four corners of the top end of the support plate, a shock-absorbing spring is provided between the top surface of the support plate and the bottom end of the base plate, and the shock-absorbing spring is movably sleeved on the outside of the damping rod.

[0008] Preferably, a guide rod is slidably clamped inside the fixing tube, and the top end of the guide rod is fixedly connected to the lower package plate.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] 1. The upper and lower package plates are arranged on the outer side of the valve body, and the positions of the through holes on the upper and lower package plates are made to correspond to each other. Then, the bolts are movably inserted through the two corresponding through holes, and the nuts are tightened to fix the upper and lower package plates to the outer side of the valve body. The support plate is used to stably support the valve body, thereby further improving the stability of the valve body when it is placed. The cooperation between the damping rod and the shock absorbing spring can provide a certain protection for the bottom end of the valve body, thereby further improving the protection performance of the equipment.

[0011] 2. By rotating the threaded rod, the threaded rod is driven to move upward along the inside of the fixed tube, and the guide rod is used for guidance, while the lower package plate is driven to move vertically, so as to adjust the vertical height of the valve body, facilitate installation and docking operations, and further improve the flexibility of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0014] Figure 2 It is a schematic diagram of the partial split structure of the utility model.

[0015] Figure 3 For this utility model Figure 2 Enlarged view of point A in the middle.

[0016] Figure 4 It is a structural schematic diagram of the flange, sealing groove and sealing ring in the utility model.

[0017] In the figure: 1. valve body; 2. upper package plate; 3. lower package plate; 4. mounting groove; 5. bearing; 6. threaded rod; 7. bottom plate; 8. fixing cylinder; 9. through hole; 10. nut; 11. bolt; 12. guide rod; 13. support plate; 14. damping rod; 15. shock-absorbing spring; 16. flange; 17. sealing groove; 18. sealing ring. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Example: Figure 1-4 As shown, the utility model provides a pneumatic ceramic double gate valve, including a valve body 1, a symmetrically distributed upper package plate 2 is arranged on the outer side of the valve body 1, and two corresponding lower package plates 3 are arranged on the outer side of the valve body 1 and below the upper package plate 2, wherein a mounting groove 4 is opened on one side of the top end of one of the lower package plates 3, a bearing 5 is fixedly installed inside the mounting groove 4, a threaded rod 6 is fixedly connected inside the bearing 5, a bottom plate 7 is arranged at the bottom end of the valve body 1, and a fixing cylinder 8 is fixedly connected at the four corners of the top end of the bottom plate 7, and the bottom end of the threaded rod 6 movably passes through the lower package plate 3 and is threadedly connected to the fixing cylinder 8.

[0020] Through holes 9 are provided on both sides of the top of the upper and lower enveloping plates 2 and 3, and symmetrically distributed bolts 11 are provided at the bottom of the lower enveloping plate 3. The top ends of the bolts 11 are movable through the corresponding two through holes 9 and are threadedly connected with nuts 10.

[0021] By adopting the above technical solution, by matching the hole positions of the through holes 9 on the upper package plate 2 with those on the lower package plate 3, then moving the bolts 11 through the corresponding two through holes 9, and tightening the nuts 10, the upper package plate 2 and the lower package plate 3 are fixed to the outside of the valve body 1.

[0022] A support plate 13 is provided at the bottom end of the base plate 7, and damping rods 14 are fixedly connected at the four corners of the top end of the support plate 13. A shock-absorbing spring 15 is provided between the top surface of the support plate 13 and the bottom end of the base plate 7, and the shock-absorbing spring 15 is movably sleeved on the outer side of the damping rod 14.

[0023] By adopting the above technical solution, through the cooperation between the damping rod 14 and the shock absorbing spring 15, a certain protective effect can be produced on the bottom end of the valve body 1.

[0024] Both ends of the valve body 1 are fixedly connected with flanges 16 , and a sealing groove 17 is formed on the side of the flanges 16 away from each other, and the flanges 16 are arranged inside the sealing grooves 17 .

[0025] By adopting the above technical solution, by providing the flange 16, it is convenient to connect with the external pipeline, and by providing the sealing ring 18, the sealing performance when the flange 16 is connected to the pipeline is further improved.

[0026] A guide rod 12 is slidably engaged inside the fixed tube 8 , and the top ends of the guide rods 12 are fixedly connected to the lower package plate 3 .

[0027] By adopting the above technical solution and providing the guide rod 12, it is convenient to guide the vertical movement of the valve body 1, thereby further improving the stability of the structure.

[0028] Working principle: When using the pneumatic ceramic double-disc valve, the upper and lower plates 2 and 3 are covered on the outside of the valve body 1, and the positions of the through holes 9 on the upper and lower plates 2 and 3 are made to correspond to each other. Then, the bolts 11 are inserted through the two corresponding through holes 9, and the nuts 10 are tightened to fix the upper and lower plates 2 and 3 to the outside of the valve body 1. The support plate 13 is used to stably support the valve body 1, further improving the stability of the valve body 1 when placed. The cooperation between the damping rod 14 and the shock-absorbing spring 15 can provide a certain protective effect on the bottom end of the valve body 1.

[0029] When the valve body 1 is docked with the pipeline, the threaded rod 6 is rotated to drive the threaded rod 6 to move upward along the inside of the fixed tube 8, and the guide rod 12 is used for guidance, while driving the lower package plate 3 to move vertically, thereby adjusting the vertical height of the valve body 1 to facilitate the installation and docking operation.

[0030] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A pneumatic ceramic double-disc valve, comprising a valve body (1), characterized in that: The outer side of the valve body (1) is provided with a symmetrically distributed upper package plate (2), and two corresponding lower package plates (3) are provided on the outer side of the valve body (1) and below the upper package plate (2), wherein a mounting groove (4) is provided on one side of the top end of one of the lower package plates (3), a bearing (5) is fixedly installed inside the mounting groove (4), and a threaded rod (6) is fixedly connected inside the bearing (5), and a bottom plate (7) is provided at the bottom end of the valve body (1), and fixed cylinders (8) are fixedly connected at the four corners of the top end of the bottom plate (7), and the bottom end of the threaded rod (6) movably passes through the lower package plate (3) and is threadedly connected to the fixing cylinder (8).

2. A pneumatic ceramic double-disc valve as claimed in claim 1, characterized in that: Through holes (9) are provided on both sides of the top ends of the upper and lower enveloping plates (2) and (3), and symmetrically distributed bolts (11) are provided at the bottom ends of the lower enveloping plates (3). The top ends of the bolts (11) are movable through the corresponding two through holes (9) and are threadedly connected with nuts (10).

3. A pneumatic ceramic double-disc valve as claimed in claim 1, characterized in that: A support plate (13) is provided at the bottom end of the base plate (7), and damping rods (14) are fixedly connected at the four corners of the top end of the support plate (13). A shock-absorbing spring (15) is provided between the top surface of the support plate (13) and the bottom end of the base plate (7), and the shock-absorbing spring (15) is movably sleeved on the outer side of the damping rod (14).

4. A pneumatic ceramic double-disc valve as claimed in claim 1, characterized in that: Both ends of the valve body (1) are fixedly connected with flanges (16).

5. The pneumatic ceramic double-disc valve according to claim 1, characterized in that: A guide rod (12) is slidably engaged inside the fixed cylinder (8), and the top end of the guide rod (12) is fixedly connected to the lower package plate (3).

6. A pneumatic ceramic double-disc valve as claimed in claim 4, characterized in that: A sealing groove (17) is provided on one side of the flange (16) that is away from each other, and a sealing ring (18) is provided inside the sealing groove (17).

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