Electric gate valve capable of reducing friction force of gate valve

Abstract

The utility model provides an electric gate valve capable of reducing the friction force of the gate valve, and relates to the technical field of electric gate valves. The technical problem that in the prior art, the sealing effect of a gate valve is affected due to the fact that resistance is large when the electric flue gate valve ascends and descends is solved. According to the scheme, the electric gate valve structure comprises a supporting frame, a driving device, a lifting device, a guiding device and a gate, a driving transmission device is installed on the supporting frame, the output end of the driving transmission device is connected with the input end of the lifting device, the output end of the lifting device is connected with the gate, and the guiding device is installed behind the gate. According to the gate valve, the idler wheels are selected in the guide device module, the friction force of the valve plate in the moving process is effectively reduced, the possibility of deformation of the valve plate is reduced, and the stability of the gate plate in the running process and the sealing performance of the device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric gate valves, in particular to an electric gate valve that reduces the friction of the gate valve. Background Art

[0002] The gate valve is a commonly used shutoff valve, which is mainly used to connect or cut off the medium in the pipeline, but not to adjust the medium flow. It plays an important role in industrial production. Through the opening and closing of the valve and the adjustment of the fluid, it ensures the safe operation of various production processes and industries.

[0003] The prior art discloses a utility model patent, named: a flue electric gate valve, with a publication number of CN203023524U. It includes a support frame, a drive transmission device, a lifting device, and a gate, wherein both end surfaces of the gate are arranged in a moving guide groove, and the moving guide groove is perpendicular to the flue axis.

[0004] However, the flue electric gate valve in the patent application specification has a problem of large resistance when it is raised and lowered, which will affect the gate and further affect the sealing effect of the gate valve. Utility Model Content

[0005] In order to solve the problems existing in the prior art, the utility model proposes an electric sealing valve, which can effectively reduce the resistance of the gate during the lifting process of the electric gate valve, so as to improve the operation stability and sealing performance of the gate valve. The utility model is specifically as follows:

[0006] An electric gate valve for reducing the friction of the gate valve, the structure includes: a support frame, a driving transmission device, a lifting device, a guide device and a gate, the output end of the driving transmission device is connected to the input end of the lifting device, and the output end of the lifting device is connected to the gate. It is characterized in that guide devices are installed behind the left and right sides of the gate, and the guide devices include roller shafts and track rollers.

[0007] The roller shaft is arranged on the support frame according to the axial direction of the flue and is installed on the support frame with bolt fasteners.

[0008] The track rollers are installed on both sides of the roller shaft close to the left and right end surfaces of the support frame, and their movable range is limited to the inside of the left and right end surfaces of the support frame.

[0009] A limiting plate for limiting the moving position of the gate plate is fixed to the inner upper end of one side of the support frame.

[0010] The output end of the driving transmission device is connected to a T-threaded screw, a bearing seat for fixing the T-threaded screw, and a fixing part for connecting the gate plate.

[0011] The bearing seat is installed on the upper part of the support frame and is used to fix the T-shaped threaded screw.

[0012] The fixing part comprises a nut and a nut box.

[0013] The lifting device is connected to the gate plate and is located above the support frame, driving the gate plate to move up and down.

[0014] The beneficial effects are:

[0015] 1. The electric gate valve of the present application for reducing the friction of the gate valve is equipped with a guide track roller behind the gate, which can convert the sliding friction between the gate and the support frame slot in the traditional gate valve into rolling friction between the gate and the track roller, effectively reducing the resistance of the electric gate valve during the lifting process, preventing the gate from being deformed due to excessive resistance during operation, so as to improve the operating stability and sealing of the electric gate valve.

[0016] 2. During the operation of the traditional electric gate valve, the slot on the support frame is prone to dust accumulation, so that when the gate moves downward, the gate and the slot on the support frame cannot be completely sealed. The electric gate valve of the present application that reduces the friction of the gate valve is equipped with a guide track roller behind the gate, and when the gate moves up and down, the dust can be self-cleaned as the track roller rotates, so as to improve the sealing performance of the electric gate valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] 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 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.

[0018] Figure 1 A schematic diagram of the structure of an electric gate valve for reducing the friction of the gate valve in an embodiment of the present application;

[0019] Figure 2 A top view of an electric gate valve for reducing the friction of the gate valve in an embodiment of the present application;

[0020] Figure 3 This is a schematic diagram of the structure of the guide device in the embodiment of the present application;

[0021] Description of reference numerals:

[0022] 1. Support frame; 11. Limit plate;

[0023] 2. Driving transmission device; 21. Cycloidal pinwheel reducer; 22. Spindle coupling;

[0024] 3. Lifting device; 31. T-type threaded screw; 32. Bearing seat; 33. Fixing part; 331. Nut; 332. Nut box; 333. Angle steel; 334. Channel steel;

[0025] 4. Guide device; 41. Roller shaft; 42. Track roller.

[0026] 5. Gate. DETAILED DESCRIPTION

[0027] Combine the following Figures 1 to 3 The embodiments of the technical solution of the present application are described in detail. The following embodiments are only used to more clearly illustrate the technical solution of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application. In addition, the technical features involved in each embodiment of the present application described below can be combined with each other as long as they do not conflict with each other.

[0028] like Figures 1 to 3 The electric gate valve for reducing the friction of the gate valve of the present application is illustrated, comprising: a support frame 1, a driving transmission device 2, a lifting device 3, a guide device 4 and a gate plate 5. The driving transmission device 2 is installed on the support frame 1, and the driving transmission device 2 comprises a cycloidal pinwheel reducer 21 and a main shaft coupling 22. The two ends of the main shaft coupling 22 are respectively connected to the output end of the cycloidal pinwheel reducer 21 and the input end of the lifting device 3, the output end of the lifting device 3 is connected to the gate plate 5, and track rollers for guiding the gate plate 5 are provided at the rear of the end surfaces on both sides of the support frame 1.

[0029] In one embodiment of the present application, the support frame 1 is used as a supporting component for mounting and fixing the drive transmission device 2, the lifting device 3 and the gate 5, and the drive transmission device 2 is mounted on the upper part of the support frame 1. The drive transmission device 2 includes a cycloid pinwheel reducer 21 and a spindle coupling 22. The cycloid pinwheel reducer 21 is used to provide power to the entire electric gate valve, and the two ends of the spindle coupling 22 are respectively connected to the output end of the cycloid pinwheel reducer 21 and the input end of the lifting device 3, and are used to transmit the power from the drive transmission device 2 to the input end of the lifting device 3.

[0030] Optionally, the input end of the lifting device 3 is a T-shaped threaded screw 31 , or other components that can be connected to the gate plate 5 .

[0031] The output end of the T-threaded screw 31 is connected to a fixing portion 33 . Specifically, the fixing portion 33 includes a nut 331 , a nut box 332 and an angle steel 333 .

[0032] Optionally, the fixing portion 33 is installed with a nut 331 and a nut box 332 for fixing the T-shaped threaded screw 31, or other components that can be used to fix the threaded screw.

[0033] The end of the T-threaded screw 31 is installed on the angle steel 333 on the upper part of the gate plate 5 through a threaded hole, and the angle steel 333 is welded to the upper part of the end surface of the channel steel on both sides of the support frame 1.

[0034] Further, continue to refer to Figure 2 A track roller 42 and a guide wheel shaft 41 are installed at the rear of the support frame 1. The guide wheel shaft 41 is installed on the channel steels on both sides of the support frame 1 in sequence according to the travel direction of the gate plate 5, and the track roller 42 is installed on the two side ends of the guide wheel shaft 41.

[0035] Working process: start the cycloid pinwheel reducer 21, and the electric T-type threaded screw 31 rotates through the coupling 22, thereby driving the gate plate 5 connected to the T-type threaded screw 31 to realize the movement of the gate plate in the up and down directions.

[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An electric gate valve for reducing the friction of the gate valve, the structure comprising: A support frame (1), a driving transmission device (2), a lifting device (3), a guide device (4) and a gate plate (5), wherein the output end of the driving transmission device (2) is connected to the input end of the lifting device (3), and the output end of the lifting device (3) is connected to the gate plate (5), and is characterized in that a guide device (4) is installed behind the left and right sides of the gate plate (5), and the guide device (4) includes a roller shaft (41) and a track roller (42).

2. The electric gate valve for reducing the friction of the gate valve according to claim 1, characterized in that: The roller shaft (41) is arranged on the support frame (1) along the flue axis direction.

3. The electric gate valve for reducing the friction of the gate valve according to claim 1, characterized in that: The track rollers (42) are installed on both sides of the roller shaft (41) in the left and right end surfaces close to the support frame (1).

4. The electric gate valve for reducing gate valve friction according to claim 1, characterized in that: A limiting plate (11) for limiting the moving position of the gate plate (5) is fixed to the upper inner end of one side of the support frame (1).

5. The electric gate valve for reducing gate valve friction according to claim 1, characterized in that: The lifting device (3) comprises: a T-shaped threaded screw (31) connected to the output end of the driving transmission device (2), a bearing seat (32) for fixing the T-shaped threaded screw (31), and a fixing part (33) for connecting the gate plate (5).

6. The electric gate valve for reducing gate valve friction according to claim 5, characterized in that: The bearing seat (32) is installed on the upper part of the support frame (1) and is used to fix the T-shaped threaded screw (31).

7. The electric gate valve for reducing gate valve friction according to claim 5, characterized in that: The fixing portion (33) comprises a nut (331) and a nut box (332).

8. The electric gate valve for reducing gate valve friction according to claim 1, characterized in that: The lifting device (3) is connected to the gate plate (5) and is located above the support frame (1), driving the gate plate (5) to move up and down.

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