Airtight gate valve

Abstract

The airtight gate valve comprises a frame body, a reinforcing plate is fixedly connected to the position, close to the bottom, of one side in the frame body, a valve port frame is fixedly connected to the position, corresponding to the bottom of the reinforcing plate, of the bottom of the front side in the frame body, and a valve plate is arranged on the side, corresponding to the valve port frame and the reinforcing plate, of the bottom of the rear side in the frame body. Limiting sliding grooves are formed in the positions, close to the front side and the rear side, of one end of the valve plate. According to the airtight gate valve, through the arrangement of the reinforcing plate, the structural strength of the frame body is enhanced, a stable supporting face is provided for the valve plate, lateral force and vibration are effectively resisted, the stability of the valve plate in the moving process is ensured, through the design of the side plates and the sliding rails, the front side and the rear side of the valve plate are precisely guided through the sliding rails, and lateral deviation of the valve plate is limited; and the linearity and accuracy of movement of the valve plate are guaranteed, and the stability of the valve plate in the movement process is further enhanced through cooperation of a limiting sliding groove and a limiting sliding strip.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field, concretely is airtight plug-in valve. BACKGROUND

[0002] In industrial production and fluid control system, as a common device of cutting off or regulating medium flow, the stability and sealing performance of plug-in valve are very important.

[0003] In the opening or closing process of traditional plug-in valve, the valve plate often only relies on its own weight and the thrust of driving mechanism to move, this design ignores the lateral force or vibration that the valve plate may encounter in the moving process, lacks effective support structure to ensure the stability and accuracy of valve plate movement, under long-term operation, this unstable movement mode may cause the wear between valve plate and valve seat to aggravate, influence sealing performance, even shorten the service life of valve. SUMMARY

[0004] The utility model discloses a kind of airtight plug-in valve, to solve the problem that the above background technology proposes that traditional plug-in valve in opening or closing process, the valve plate often only relies on its own weight and the thrust of driving mechanism to move, this design ignores the lateral force or vibration that the valve plate may encounter in the moving process, lacks effective support structure to ensure the stability and accuracy of valve plate movement, under long-term operation, this unstable movement mode may cause the wear between valve plate and valve seat to aggravate, influence sealing performance, even shorten the service life of valve.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of airtight plug-in valve, including frame, the frame inside one side's bottom position is fixedly connected with reinforcing plate, the frame inside front side's bottom is fixedly connected with valve port frame corresponding to the bottom of reinforcing plate, the frame inside rear side's bottom is provided with valve plate corresponding to the one side of valve port frame and reinforcing plate, the front side position and the rear side position of one end of the valve plate are all set with limit sliding slot, the other side front end and rear end of the frame are fixedly connected with side seat corresponding to the top position and the center position, the front side position of one end of side seat located rear side and the rear side position of one end of side seat located front side are all fixedly connected with reinforcing rod, the side of reinforcing rod away from side seat is fixedly connected with limit slide bar, the top position of reinforcing plate is fixedly connected with support plate corresponding to one side position, the top position and the bottom position of one side of support plate are all fixedly installed with roller holder, the inside rotation of roller holder is connected with limit roller.

[0006] Compared with the prior art, the utility model has the advantages that:

[0007] The air-tight plug valve, through the setting of the reinforcing plate, strengthens the structural strength of the frame body, provides a stable support surface for the valve plate, effectively resists lateral force and vibration, ensures the stability of the valve plate during movement, the design of the side plate and the slide rail accurately guides the front side and the rear side of the valve plate through the slide rail, limits the lateral deviation of the valve plate, ensures the linearity and accuracy of the movement of the valve plate, the cooperation of the limiting sliding groove and the limiting sliding bar further enhances the stability of the valve plate during movement, the limiting sliding bar slides in the limiting sliding groove, effectively prevents the shaking and deviation of the valve plate, improves the rigidity of the overall structure, the introduction of the supporting plate and the roller frame sets a rolling support on the movement path of the valve plate, the limiting roller is in contact with the surface of the valve plate, reduces the friction resistance, improves the smoothness of the movement of the valve plate, the rolling action of the limiting roller not only provides dynamic support, but also plays a buffering and limiting role during the movement of the valve plate, effectively prevents deformation or damage of the valve plate due to uneven stress. BRIEF DESCRIPTION OF DRAWINGS

[0008] Figure 1 It is a structural schematic diagram of the utility model;

[0009] Figure 2 It is the utility model Figure 1 A local enlarged schematic diagram;

[0010] Figure 3 It is the utility model Figure 1 B local enlarged schematic diagram;

[0011] Figure 4 It is a structural perspective view of the valve plate of the utility model.

[0012] In the drawing: 1, frame body; 2, reinforcing plate; 3, valve port frame; 4, air cylinder; 5, piston rod; 6, connecting block; 7, valve plate; 8, side plate; 9, slide rail; 10, limiting sliding groove; 11, side seat; 12, reinforcing rod; 13, limiting sliding bar; 14, supporting plate; 15, roller frame; 16, limiting roller; 17, sealing strip; 18, sealing gasket. DETAILED DESCRIPTION

[0013] The technical scheme 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, apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0014] Please refer to Figures 1-4The utility model provides a kind of technical scheme: airtight plug-in valve, including frame body 1, the bottom position of one side in frame body 1 is fixedly connected with reinforcing plate 2, the bottom of front side in frame body 1 is fixedly connected with valve port frame 3 corresponding reinforcing plate 2, the bottom of rear side in frame body 1 is provided with valve plate 7 corresponding one side of valve port frame 3 and reinforcing plate 2, the front side position and the rear side position of one end of valve plate 7 are both provided with limit sliding slot 10, the top position and the center position of other side front end and rear end in frame body 1 are both fixedly connected with side seat 11, the front side position of one end of side seat 11 located rear side and the rear side position of one end of side seat 11 located front side are both fixedly connected with reinforcing rod 12, limit slide 13 is fixedly connected to the side of reinforcing rod 12 away from side seat 11, support plate 14 is fixedly connected to the side position of the top of reinforcing plate 2, roller stand 15 is fixedly installed to the top position and the bottom position of one side of support plate 14, limit roller 16 is rotatably connected to the inside of roller stand 15.

[0015] Frame body 1 top front side position is fixedly installed with cylinder 4, the output end of cylinder 4 bottom is fixedly connected with piston rod 5, and the bottom of piston rod 5 penetrates to the inside of frame body 1.

[0016] The bottom of one side of piston rod 5 is fixedly connected with connecting block 6, and the other side of connecting block 6 away from piston rod 5 is fixedly connected with the center of the top of the other side of valve plate 7.

[0017] The surface of limit roller 16 away from support plate 14 is in contact with valve plate 7, and the other side of limit slide 13 away from reinforcing rod 12 penetrates to the inside of limit sliding slot 10 and is slidably connected with limit sliding slot 10.

[0018] The front end and the rear end of other side position in frame body 1 are both fixedly connected with side plate 8, and the one side of side plate 8 is provided with slide rail 9, and the front side and the rear side of valve plate 7 are respectively penetrated to the inside of two slide rails 9 and are slidably connected with slide rail 9, and the other side of valve plate 7 is tightly attached to reinforcing plate 2 and valve port frame 3.

[0019] The other side of valve plate 7 is fixedly connected with sealing strip 17 corresponding the top and the bottom of one side of valve port frame 3, and the other side of sealing strip 17 away from valve plate 7 is in contact with valve port frame 3.

[0020] The center of the bottom of valve plate 7 is fixedly connected with sealing pad 18, and the bottom of sealing pad 18 is in contact with the bottom in frame body 1.

[0021] Working principle: when opening, the cylinder 4 receives the opening signal, the piston rod 5 starts to shrink, the piston rod 5 drives the valve plate 7 to move along the slide rail 9 and the combined guide structure of the limiting sliding groove 10 and the limiting sliding bar 13, the limiting roller 16 rolls on the surface of the valve plate 7 to reduce friction and provide support, the valve plate 7 gradually moves away from the valve port frame 3, and the medium starts to flow; when closing, the cylinder 4 receives the closing signal, the piston rod 5 starts to extend, the piston rod 5 drives the valve plate 7 to move in the opposite direction, the limiting roller 16 continues to roll and support to ensure the stable movement of the valve plate 7, the valve plate 7 gradually approaches and tightly adheres to the valve port frame 3, and the sealing strip 17 and the sealing gasket 18 restore the sealing state.

[0022] In summary: the air-tight plug-in valve, through the setting of the reinforcing plate 2, strengthens the structural strength of the frame body 1, provides a stable support surface for the valve plate 7, effectively resists lateral force and vibration, ensures the stability of the valve plate 7 during movement, the design of the side plate 8 and the slide rail 9 accurately guides the front side and the back side of the valve plate 7 through the slide rail 9, limits the lateral deviation of the valve plate 7, guarantees the linearity and accuracy of the movement of the valve plate 7, the cooperation of the limiting sliding groove 10 and the limiting sliding bar 13 further enhances the stability of the valve plate 7 during movement, the limiting sliding bar 13 slides in the limiting sliding groove 10, effectively prevents the shaking and deviation of the valve plate 7, improves the rigidity of the overall structure, the introduction of the support plate 14 and the roller frame 15 sets a rolling support on the movement path of the valve plate 7, the limiting roller 16 contacts the surface of the valve plate 7, reduces the friction resistance, improves the smoothness of the movement of the valve plate 7, the rolling action of the limiting roller 16 not only provides dynamic support, but also plays a buffering and limiting role during the movement of the valve plate 7, effectively prevents deformation or damage of the valve plate 7 due to uneven force.

[0023] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0024] The electrical components appearing in this document are all connected with the main controller and 220V mains electricity, and the main controller can be a conventional known device controlled by a computer or the like.

[0025] 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 hermetic plug-in valve comprising a frame (1), characterized in that: The reinforcing plate (2) is fixedly connected to the bottom of the frame (1), the valve port frame (3) is fixedly connected to the bottom of the front side of the frame (1) corresponding to the bottom of the reinforcing plate (2), the valve plate (7) is arranged on the bottom of the rear side of the frame (1) corresponding to one side of the valve port frame (3) and the reinforcing plate (2), the limiting sliding groove (10) is arranged at the front side and the rear side of one end of the valve plate (7), the side seat (11) is fixedly connected to the top and the center of the front end and the rear end of the other side of the frame (1), the reinforcing rod (12) is fixedly connected to the front side of one end of the side seat (11) arranged on the rear side and the rear side of one end of the side seat (11) arranged on the front side, the limiting sliding strip (13) is fixedly connected to the side of the reinforcing rod (12) away from the side seat (11), the supporting plate (14) is fixedly connected to the side of the top of the reinforcing plate (2), the roller frame (15) is fixedly installed on the top side and the bottom side of the supporting plate (14), and the limiting roller (16) is rotatably connected in the roller frame (15).

2. An air-tight plug-in valve according to claim 1, characterized in that: The cylinder (4) is fixedly installed on the front side of the top of the frame (1), the output end of the bottom of the cylinder (4) is fixedly connected with the piston rod (5), and the bottom of the piston rod (5) penetrates into the inside of the frame (1).

3. An air-tight plug-in valve according to claim 2, characterized in that: The connecting block (6) is fixedly connected to the bottom of one side of the piston rod (5), and the other side of the connecting block (6) away from the piston rod (5) is fixedly connected with the center of the top of the other side of the valve plate (7).

4. An air-tight plug-in valve according to claim 1, characterized in that: The limiting roller (16) away from the supporting plate (14) is in contact with the surface of the valve plate (7), and the limiting sliding strip (13) away from the reinforcing rod (12) penetrates into the inside of the limiting sliding groove (10) and is in sliding connection with the limiting sliding groove (10).

5. An air-tight plug-in valve according to claim 1, characterized in that: The side plate (8) is fixedly connected to the front end and the rear end of the other side of the frame (1), the slide rail (9) is arranged on one side of the side plate (8), the front side and the rear side of the valve plate (7) penetrate into the inside of the two slide rails (9) and are in sliding connection with the slide rails (9), and the other side of the valve plate (7) is close to the reinforcing plate (2) and the valve port frame (3).

6. An air-tight plug-in valve according to claim 1, characterized in that: The sealing strip (17) is fixedly connected to the top and the bottom of the other side of the valve plate (7) corresponding to one side of the valve port frame (3), and the other side of the sealing strip (17) away from the valve plate (7) is in contact with the valve port frame (3).

7. An air-tight plug-in valve according to claim 1, characterized in that: The sealing gasket (18) is fixedly connected to the center of the bottom of the valve plate (7), and the bottom of the sealing gasket (18) is in contact with the bottom of the frame (1).

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