Hydraulic gate valve

Abstract

The utility model discloses a hydraulic gate valve which comprises an outer frame, a valve plate, a hydraulic cylinder, a guide rod, a cover plate, a concentric-square-shaped sealing gasket and a material guide plate, a limiting frame is fixedly connected to the interior of the outer frame, supporting idler wheels are rotationally connected to the two sides of the inner wall of the outer frame, and a communication opening is formed in the outer frame. The limiting device has the beneficial effects that firstly, the hydraulic cylinder can pull the connected valve plate to move in the outer frame by opening the hydraulic cylinder, when the valve plate moves to the bottom of the limiting frame, the valve plate can close the outer frame at the moment, otherwise, when the hydraulic cylinder pulls the valve plate to reset, the valve plate is moved away from the bottom of the limiting frame at the moment; when the valve plate moves, the guide rod connected to the valve plate can slide and guide on the outer frame, and the valve plate is simple in structure, low in cost and convenient to disassemble, assemble and maintain.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to a hydraulic plug-in valve. Background Art

[0002] The hydraulic gate valve is also a kind of valve used to control the opening and closing of pipelines. It is widely used in various fields such as biology and machinery. The gate valve in related technologies usually includes a valve body, a valve plate and a valve stem. When the gate valve is used, the piston end of the external hydraulic cylinder or oil cylinder is connected to the valve stem. The valve stem is controlled by the hydraulic cylinder or oil cylinder to drive the movement of the valve plate to realize the control of the opening and closing of the gate valve.

[0003] However, the existing gate valve has a complex structure and is not easy to assemble, which leads to damage and inconvenience in maintenance during later use. In addition, the cost is high, which has a certain impact. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a hydraulic gate valve, which is achieved through the following technical solutions.

[0005] A hydraulic gate valve comprises an outer frame, wherein a limiting frame is fixedly connected to the interior of the outer frame, support rollers are rotatably connected to both sides of the inner wall of the outer frame, a communication port is opened inside the outer frame, and further comprises:

[0006] A valve plate, the valve plate being arranged inside the outer frame, and one side of the valve plate being fixedly connected to two docking seats;

[0007] A hydraulic cylinder, wherein the hydraulic cylinder is fixedly connected to the top of the outer frame, and the telescopic end of the hydraulic cylinder is fixedly connected to the docking seat in the middle of the side of the valve plate;

[0008] A guide rod, wherein the guide rod is movably connected to the outer frame, and one end of the guide rod is connected to a docking seat at one end of the side of the valve plate;

[0009] A cover plate, the cover plate being fixedly connected to one end of the top of the outer frame;

[0010] A return-shaped sealing gasket, wherein the return-shaped sealing gasket is embedded in the top of the limiting frame;

[0011] A material guide plate is pressed onto the other end of the top of the outer frame, and the material guide plate is sealed and connected to the limiting frame via a return-shaped sealing pad.

[0012] Furthermore, the valve plate is movably connected to the inside of the outer frame through the communication port, and the valve plate is located between the supporting roller and the limiting frame.

[0013] Furthermore, first mounting holes are provided at the left and right sides of the limiting frame, the first mounting holes provided on the limiting frame are fixed to the inside of the outer frame by through screws, and a sealing notch is provided on the top of the limiting frame.

[0014] Furthermore, the inner wall of the guide plate is an inclined surface.

[0015] Furthermore, a plurality of fourth mounting holes are provided at the top of the cover plate along the edge, a plurality of third mounting holes are provided at the top of the outer frame, and the fourth mounting holes correspond to the third mounting holes one by one.

[0016] Furthermore, a plurality of second mounting holes are provided along the edge of the outer surface of the outer frame.

[0017] Furthermore, two electronic ruler brackets are fixedly connected to the right side of the outer frame, a fixing rod is fixedly connected to one end of the top of the outer frame, and two travel switch mounting brackets are fixedly connected to the outer surface of the fixing rod.

[0018] The beneficial effect of the utility model is that during the operation of the device, the hydraulic cylinder is first opened, and the hydraulic cylinder can pull the connected valve plate to move inside the outer frame. When the valve plate moves to the bottom of the limit frame, the valve plate can close the outer frame. Conversely, when the hydraulic cylinder pulls the valve plate to reset, the valve plate is moved away from the bottom of the limit frame, thereby opening the outer frame to facilitate the passage of materials from the outer frame. When the valve plate moves, the guide rod connected to the valve plate can slide and guide on the outer frame. The structure is simple, the cost is low, and it is easy to disassemble and maintain. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the description of the specific implementation methods will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 : A structural schematic diagram of a hydraulic gate valve described in the utility model;

[0021] Figure 2 : Schematic diagram of the connection between the valve plate and the hydraulic cylinder of the utility model;

[0022] Figure 3 : A schematic diagram of the structure of the outer frame of the utility model;

[0023] Figure 4 : A cross-sectional view of the outer frame of the utility model;

[0024] Figure 5 : The utility model Figure 3 A magnified view of middle;

[0025] Figure 6 : The utility model Figure 3 Enlarged view of middle B;

[0026] Figure 7 : A schematic diagram of the structure of the guide plate of the utility model;

[0027] Figure 8 : A schematic diagram of the structure of the cover plate of the utility model;

[0028] Fig. 9 , a side view of the outer frame of the utility model.

[0029] The reference numerals are as follows:

[0030] 1. Outer frame; 11. Limiting frame; 111. Sealing notch; 112. First mounting hole; 12. Support roller; 13. Second mounting hole; 14. Connecting port; 15. Third mounting hole; 16. Electronic ruler bracket; 17. Fixing rod; 171. Travel switch mounting bracket;

[0031] 2. Valve plate; 21. Docking seat;

[0032] 3. Hydraulic cylinder;

[0033] 4. Cover plate; 41. Fourth mounting hole;

[0034] 5. Return seal;

[0035] 6. Guide plate;

[0036] 7. Guide rod. DETAILED DESCRIPTION

[0037] 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 of 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.

[0038] like Figure 1-8 As shown, the utility model has the following specific embodiments. Example

[0039] A hydraulic gate valve comprises an outer frame 1, a limiting frame 11 is fixedly connected inside the outer frame 1, support rollers 12 are rotatably connected to both sides of the inner wall of the outer frame 1, a communication port 14 is opened inside the outer frame 1, and further comprises:

[0040] The valve plate 2 is arranged inside the outer frame 1, and one side of the valve plate 2 is fixedly connected with two docking seats 21;

[0041] The hydraulic cylinder 3 is fixedly connected to the top of the outer frame 1, and the telescopic end of the hydraulic cylinder 3 is fixedly connected to the docking seat 21 in the middle of the side of the valve plate 2;

[0042] A guide rod 7, the guide rod 7 is movably connected to the outer frame 1, and one end of the guide rod 7 is connected to a docking seat 21 at one end of the side of the valve plate 2;

[0043] A cover plate 4, which is fixed to one end of the top of the outer frame 1;

[0044] The return-shaped sealing gasket 5 is embedded in the top of the limiting frame 11;

[0045] The material guide plate 6 is pressed onto the other end of the top of the outer frame 1 , and the material guide plate 6 is sealed and connected to the limiting frame 11 through the return sealing pad 5 .

[0046] By adopting the above technical solution, when using the device, firstly, by opening the hydraulic cylinder 3, the hydraulic cylinder 3 can pull the connected valve plate 2 to move inside the outer frame 1, and when the valve plate 2 moves to the bottom of the limit frame 11, the valve plate 2 can close the outer frame 1 at this time. Conversely, when the hydraulic cylinder 3 pulls the valve plate 2 to reset, the valve plate 2 is moved away from the bottom of the limit frame 11, so that the outer frame 1 can be opened to facilitate the passage of materials from the outer frame 1. When the valve plate 2 moves, the guide rod 7 connected to the valve plate 2 can slide and guide on the outer frame 1.

[0047] Specifically, the valve plate 2 is movably connected to the inside of the outer frame 1 through the communication port 14 , and the valve plate 2 is located between the supporting roller 12 and the limiting frame 11 .

[0048] By adopting the above technical solution, the valve plate 2 is configured to slide on the supporting roller 12 , and at the same time, the limiting frame 11 can limit the valve plate 2 , thereby facilitating the movement of the valve plate 2 inside the outer frame 1 .

[0049] Specifically, first mounting holes 112 are provided at both sides of the limiting frame 11 . The first mounting holes 112 of the limiting frame 11 are fixed to the inner part of the outer frame 1 by through screws. A sealing notch 111 is provided at the top of the limiting frame 11 .

[0050] By adopting the above technical solution, the first mounting hole 112 opened in the limit frame 11 can be screwed through and fixed to the inner wall 1, the sealing groove 111 provided on the limit frame 11 can be embedded in the return-shaped sealing gasket 5 for positioning and installation, the guide plate 6 can be mounted on the limit frame 11 for installation, and at the same time, the return-shaped sealing gasket 5 can be extruded and connected to ensure sealing between the guide plate 6 and the limit frame 11.

[0051] Specifically, the inner wall of the material guide plate 6 is an inclined surface.

[0052] By adopting the above technical solution, the inner wall of the guide plate 6 is designed with an inclined surface, which can facilitate the central transportation of the passing materials.

[0053] Specifically, a plurality of fourth mounting holes 41 are opened along the edge of the top of the cover plate 4 , and a plurality of third mounting holes 15 are opened on the top of the outer frame 1 , and the fourth mounting holes 41 correspond to the third mounting holes 15 one by one.

[0054] By adopting the above technical solution, the fourth mounting holes 41 provided on the cover plate 4 can correspond one-to-one with the third mounting holes 15 provided on the outer frame 1 , thereby facilitating installation between the cover plate 4 and the outer frame 1 .

[0055] Specifically, a plurality of second mounting holes 13 are formed along the edge of the outer surface of the outer frame 1 .

[0056] By adopting the above technical solution, the second mounting holes 13 provided on the outer surface of the outer frame 1 can facilitate the installation of the outer frame 1 .

[0057] Specifically, two electronic ruler brackets 16 are fixedly connected to the right side of the outer frame 1 , a fixing rod 17 is fixedly connected to one end of the top of the outer frame 1 , and two travel switch mounting brackets 171 are fixedly connected to the outer surface of the fixing rod 17 .

[0058] The electronic ruler bracket 16 is provided to facilitate the installation of the electronic ruler, and the travel switch mounting bracket 171 connected to the fixed rod 17 is provided to install the travel switch, wherein the guide rod 7 can be connected to the electronic ruler through a connecting rod, so as to detect the moving distance of the valve plate 2 connected to the guide rod 7.

[0059] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A hydraulic gate valve, comprising an outer frame (1), characterized in that: The inner part of the outer frame (1) is fixedly connected to a limiting frame (11), both sides of the inner wall of the outer frame (1) are rotatably connected to support rollers (12), and the inner part of the outer frame (1) is provided with a communication port (14), and further comprises: A valve plate (2), the valve plate (2) being arranged inside the outer frame (1), and one side of the valve plate (2) being fixedly connected to two docking seats (21); A hydraulic cylinder (3), wherein the hydraulic cylinder (3) is fixedly connected to the top of the outer frame (1), and the telescopic end of the hydraulic cylinder (3) is fixedly connected to a docking seat (21) in the middle of the side of the valve plate (2); A guide rod (7), wherein the guide rod (7) is movably connected to the outer frame (1), and one end of the guide rod (7) is connected to a docking seat (21) at one end of a side surface of the valve plate (2); A cover plate (4), the cover plate (4) being fixedly connected to one end of the top of the outer frame (1); A return-shaped sealing gasket (5), wherein the return-shaped sealing gasket (5) is embedded in the top of the limiting frame (11); A material guide plate (6), wherein the material guide plate (6) is crimped onto the other end of the top of the outer frame (1), and the material guide plate (6) is sealedly connected to the limit frame (11) via a return seal pad (5).

2. A hydraulic gate valve according to claim 1, characterized in that: The valve plate (2) is movably connected to the interior of the outer frame (1) via a communication port (14), and the valve plate (2) is located between the supporting roller (12) and the limiting frame (11).

3. A hydraulic gate valve according to claim 1, characterized in that: The limiting frame (11) has first mounting holes (112) at the left and right sides thereof. The first mounting holes (112) provided on the limiting frame (11) are fixed to the inside of the outer frame (1) by through screws. A sealing notch (111) is provided at the top of the limiting frame (11).

4. A hydraulic gate valve according to claim 1, characterized in that: The inner wall of the material guide plate (6) is an inclined surface.

5. A hydraulic gate valve according to claim 1, characterized in that: A plurality of fourth mounting holes (41) are provided at the top of the cover plate (4) along the edge, and a plurality of third mounting holes (15) are provided at the top of the outer frame (1), and the fourth mounting holes (41) correspond to the third mounting holes (15) one by one.

6. A hydraulic gate valve according to claim 1, characterized in that: A plurality of second mounting holes (13) are provided along the edge of the outer surface of the outer frame (1).

7. A hydraulic gate valve according to claim 1, characterized in that: Two electronic ruler brackets (16) are fixedly connected to the right side of the outer frame (1), a fixing rod (17) is fixedly connected to one end of the top of the outer frame (1), and two travel switch mounting brackets (171) are fixedly connected to the outer surface of the fixing rod (17).

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