Anti-loosening structure for multi-way valve

Abstract

The utility model provides an anti-loosening structure for a multi-way valve, which relates to the technical field of multi-way valve fixing and comprises a supporting base, and a clamping mechanism is arranged in the supporting base and comprises a bidirectional threaded rod. According to the anti-loosening structure for the multi-way valve, the clamping mechanism and the downward pressing assembly are arranged, a bidirectional threaded rod is rotated to drive two L-shaped clamping plates to move, so that the two L-shaped clamping plates clamp and fix the left side face and the right side face of the multi-way valve, and then an adjusting screw rod is rotated to enable a baffle to move; according to the multi-way valve clamping device, the baffle and one side face of the L-shaped clamping plate can clamp and fix the front face and the back face of a multi-way valve, then the two movable supports are moved to the position above the multi-way valve, a lifting screw and a pressing plate descend by rotating a hexagonal twisting block, and therefore the upper surface of the multi-way valve is pressed; therefore, the effect that the device can clamp and fix the multi-way valves of different sizes in multiple directions is achieved, the stability of the multi-way valves during working is guaranteed, and the anti-loosening effect of the device on the multi-way valves is achieved.

Description

Technical Field

[0001] The utility model relates to an anti-loosening structure, in particular to an anti-loosening structure for a multi-way valve, belonging to the technical field of multi-way valve fixing. Background Art

[0002] The multi-way valve adopts a unified modular design, which can provide reliable system solutions for the manufacturers of engineering vehicles. Users can combine the valve body in different ways according to functional requirements, which is simple and reliable. It can be a simple load-sensitive manual multi-way valve, or an electronically controlled proportional control valve with non-saturation function that is independent of load and pump flow.

[0003] The anti-loosening structure for a multi-way valve disclosed in the Chinese patent application publication specification CN217761512U comprises an anti-loosening structure body, a multi-way valve is arranged inside the anti-loosening structure body, a groove is arranged on one side of the anti-loosening structure body, a two-way threaded rod is rotatably connected inside the groove, a rotating rod is rotatably connected on the other side of the anti-loosening structure body, one end of the rotating rod is rotatably connected to one end of the two-way threaded rod, and two auxiliary sleeves are threadedly sleeved on one end of the two-way threaded rod. The utility model provides an anti-loosening structure for a multi-way valve, by arranging a two-way threaded rod, a rotating rod, a connecting plate, an auxiliary block, an abutting plate and an auxiliary disk, the multi-way valve is placed on the top of the anti-loosening structure body for installation, which will drive the two-way threaded rod to rotate in the same direction, thereby preventing the multi-way valve from detaching from the inside of the anti-loosening structure body, and by rotating the rotating rod, the distance between the two abutting plates can be effectively adjusted, thereby protecting multi-way valves of different lengths.

[0004] It can be seen from the technical solution of the above patent that the device squeezes and fixes the upper surface of the multi-way valve through the elasticity of the elastic strip, and is unable to support and fix the side of the multi-way valve. The fixation of the multi-way valve is not stable enough. If the device is installed on a machine with severe vibration, the position of the multi-way valve may become loose and offset, and collide with the inner wall of the device, reducing the service life of the multi-way valve and making it difficult to ensure the stability of the multi-way valve during operation. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The purpose of the utility model is to provide an anti-loosening structure for a multi-way valve in order to solve the above-mentioned problem, which can stably clamp and fix multi-way valves of different sizes and facilitate staff to disassemble, assemble and repair the multi-way valve.

[0007] (II) Technical solution

[0008] The utility model is implemented through the following technical scheme: an anti-loosening structure for a multi-way valve, comprising a supporting base, a clamping mechanism is arranged inside the supporting base, the clamping mechanism comprises a bidirectional threaded rod, the outer surface of the bidirectional threaded rod is rotatably connected to the supporting base, the outer surface of the bidirectional threaded rod is threadedly connected to two movable sleeves, the outer surface of each movable sleeve is fixedly connected to a connecting frame, the outer surface of each connecting frame is fixedly connected to an L-shaped clamping plate, the inner thread of the supporting base is threadedly connected to an adjusting screw, one end of the adjusting screw is rotatably connected to a rotating shaft, the outer surface of the rotating shaft is fixedly connected to a baffle, a pressing assembly is arranged above the supporting base, and the pressing assembly comprises two movable brackets.

[0009] Preferably, a sliding groove is opened inside the support base, and the outer surface of each connecting frame is slidably connected to the inner wall of the sliding groove. The moving direction of the connecting frame is limited by setting the sliding groove, and the connecting frame slides along the inner wall direction of the sliding groove when the bidirectional threaded rod rotates.

[0010] Preferably, one end of the bidirectional threaded rod is fixedly connected to a hand wheel, and one end of the adjusting screw is fixedly connected to a rocker. By providing the hand wheel and the rocker, it is convenient for the staff to drive the bidirectional threaded rod and the adjusting screw to rotate.

[0011] Preferably, each movable bracket is threadedly connected to a lifting screw rod, and the bottom end of each lifting screw rod is fixedly connected to a pressure plate. Rotating the lifting screw rod can drive the pressure plate to move up and down, so that the pressure plate can press down the upper surface of the multi-way valve.

[0012] Preferably, the upper end of each lifting screw is fixedly connected to a hexagonal torsion block, and the lower end of each movable bracket is fixedly connected to two movable rings. The lifting screw is driven to rotate by rotating the hexagonal torsion block, and the movable ring is sleeved on the guide rod to support the movable bracket.

[0013] Preferably, two guide rods are fixedly connected inside the support base, each of the movable sleeves is slidably connected to the outer surface of the corresponding guide rod, the two guide rods have the same height and are positioned in parallel, and the two movable sleeves under the movable bracket slide on the outer surfaces of the corresponding guide rods, so that the movable bracket can move stably laterally above the guide rods.

[0014] The utility model provides an anti-loosening structure for a multi-way valve, which has the following beneficial effects:

[0015] 1. The anti-loosening structure of the multi-way valve is provided with a clamping mechanism and a pressing component. According to the size of the multi-way valve, the two-way threaded rod is rotated to adjust the distance between the two L-shaped clamping plates, so that the L-shaped clamping plates can clamp and fix the left and right sides of the multi-way valve, and then the baffle is moved by rotating the adjusting screw, so that the baffle and one side of the L-shaped clamping plate can clamp and fix the front and back sides of the multi-way valve, and then the two movable brackets are moved to the top of the multi-way valve, and the lifting screw and the pressure plate are lowered by rotating the hexagonal torsion block, thereby pressing down on the upper surface of the multi-way valve, and when the pressure plate is pressed downward, the friction between the moving sleeve and the guide rod is increased, so that the position of the movable bracket can be fixed, so that the device can clamp and fix multi-way valves of different sizes in multiple directions, thereby ensuring the stability of the multi-way valve when working, thereby realizing the effect of preventing the device from loosening the multi-way valve.

[0016] 2. The anti-loosening structure of the multi-way valve is provided with guide rods, movable brackets and other components. When the multi-way valve needs to be inspected and disassembled, the pressure of the pressure plate on the upper surface of the multi-way valve is eliminated by rotating the hexagonal twist block, and then the two movable brackets are moved to both sides of the support base. Then, the clamping force exerted by the baffle and the L-shaped clamping plate on the multi-way valve can be eliminated by slightly rotating the two-way threaded rod and the adjusting screw, thereby releasing the fixing effect of the device on the multi-way valve, making it easy for the staff to take out the multi-way valve, and the operation is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the internal cross-sectional structure of the support base of the utility model;

[0020] Figure 4 It is a schematic diagram of the structure of the pressing component of the utility model.

[0021] Description of Reference Numerals

[0022] 1. Support base;

[0023] 2. Clamping mechanism; 201. Bidirectional threaded rod; 202. Moving sleeve; 203. Connecting frame; 204. L-shaped clamping plate; 205. Adjusting screw; 206. Rotating shaft; 207. Baffle; 208. Sliding groove; 209. Hand wheel; 210. Rocker;

[0024] 3. Pressing assembly; 301. Moving bracket; 302. Lifting screw; 303. Pressing plate; 304. Hexagonal twist block; 305. Moving sleeve; 306. Guide rod. DETAILED DESCRIPTION

[0025] The embodiment of the utility model provides an anti-loosening structure for a multi-way valve.

[0026] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 , including a support base 1, a clamping mechanism 2 is arranged inside the support base 1, the clamping mechanism 2 includes a bidirectional threaded rod 201, the outer surface of the bidirectional threaded rod 201 is rotatably connected to the support base 1, the outer surface of the bidirectional threaded rod 201 is threadedly connected to two movable sleeves 202, the outer surface of each movable sleeve 202 is fixedly connected to a connecting frame 203, the outer surface of each connecting frame 203 is fixedly connected to an L-shaped clamping plate 204, the two L-shaped clamping plates 204 can apply clamping force to the left and right sides of the multi-way valve, and the distance between the two movable sleeves 202 can be adjusted by rotating the bidirectional threaded rod 201, thereby completing the adjustment of the distance between the two L-shaped clamping plates 204.

[0027] The internal thread of the support base 1 is connected to an adjusting screw 205, one end of the adjusting screw 205 is rotatably connected to a rotating shaft 206, the outer surface of the rotating shaft 206 is fixedly connected to a baffle 207, and the lower end surface of the baffle 207 is in contact with the support base 1. The position of the baffle 207 can be adjusted by rotating the adjusting screw 205, so that the baffle 207 and one side of the L-shaped clamp 204 can clamp the front and back sides of the multi-way valve.

[0028] A pressing assembly 3 is provided above the supporting base 1, and the pressing assembly 3 includes two movable brackets 301. Each movable bracket 301 is threadedly connected to a lifting screw 302 inside, and each lifting screw 302 is fixedly connected to a pressure plate 303 at the bottom end. Rotating the lifting screw 302 can drive the pressure plate 303 to rise and fall, so that the pressure plate 303 can press down on the upper surface of the multi-way valve.

[0029] Please refer to Figure 3 A sliding groove 208 is provided inside the support base 1, and the outer surface of each connecting frame 203 is slidably connected to the inner wall of the sliding groove 208. The moving direction of the connecting frame 203 is limited by setting the sliding groove 208. When the bidirectional threaded rod 201 rotates, the connecting frame 203 slides along the inner wall direction of the sliding groove 208.

[0030] Please refer to Figure 1 and Figure 2 One end of the bidirectional threaded rod 201 is fixedly connected to a hand wheel 209, and one end of the adjusting screw 205 is fixedly connected to a rocker 210. By setting the hand wheel 209 and the rocker 210, it is convenient for the staff to drive the bidirectional threaded rod 201 and the adjusting screw 205 to rotate.

[0031] Please refer to Figure 1 and Figure 4 The upper end of each lifting screw 302 is fixedly connected to a hexagonal torsion block 304, and the lower end of each mobile bracket 301 is fixedly connected to two mobile rings 305. The lifting screw 302 is driven to rotate by rotating the hexagonal torsion block 304, and the mobile ring 305 is sleeved on the guide rod 306 to support the mobile bracket 301.

[0032] Please refer to Figure 1 and Figure 4 Two guide rods 306 are fixedly connected inside the support base 1, and each movable ring 305 is slidably connected to the outer surface of the corresponding guide rod 306. The two guide rods 306 have the same height and are positioned in parallel. The two movable rings 305 under the movable bracket 301 slide on the outer surfaces of the corresponding guide rods 306, so that the movable bracket 301 can move stably laterally above the guide rods 306.

[0033] When the utility model is in use: the multi-way valve is placed on the supporting base 1, and the front of the multi-way valve can be in contact with the side of the L-shaped clamping plate 204, and then the distance between the two L-shaped clamping plates 204 is adjusted by rotating the two-way threaded rod 201, so that the L-shaped clamping plates 204 can clamp and fix the left and right sides of the multi-way valve, and then the baffle plate 207 is moved by rotating the adjusting screw 205, so that the baffle plate 207 and one side of the L-shaped clamping plate 204 can clamp and fix the front and back sides of the multi-way valve, and then the two movable brackets 301 are moved to the top of the multi-way valve, and the lifting screw 302 and the pressing plate 303 are lowered by rotating the hexagonal twisting block 304, so that the upper surface of the multi-way valve is pressed downward, and the pressing plate 303 is pressed downward When tightened, the friction between the movable ring 305 and the guide rod 306 will increase, so that the position of the movable bracket 301 can be fixed, so that the device can clamp and fix multi-way valves of different sizes in multiple directions, thereby realizing the effect of preventing the device from loosening the multi-way valve, and when the multi-way valve needs to be inspected and disassembled, the pressure of the pressure plate 303 on the upper surface of the multi-way valve is eliminated by rotating the hexagonal twist block 303, and then the two movable brackets 301 are moved to both sides of the support base 1, and then the clamping force applied to the multi-way valve by the baffle 207 and the L-shaped clamping plate 204 can be eliminated by slightly rotating the two-way threaded rod 201 and the adjusting screw 205, thereby releasing the fixing effect of the device on the multi-way valve, making it easy for the staff to take out the multi-way valve, and the operation is simple and convenient.

[0034] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A multi-way valve anti-loosening structure, comprising a support base (1), characterized in that: The support base (1) is provided with a clamping mechanism (2) inside, the clamping mechanism (2) comprises a bidirectional threaded rod (201), the outer surface of the bidirectional threaded rod (201) is rotatably connected to the support base (1), the outer surface of the bidirectional threaded rod (201) is threadedly connected to two movable sleeves (202), the outer surface of each movable sleeve (202) is fixedly connected to a connecting frame (203), the outer surface of each connecting frame (203) is fixedly connected to an L-shaped clamping plate (204), the inner surface of the support base (1) is threadedly connected to an adjusting screw (205), one end of the adjusting screw (205) is rotatably connected to a rotating shaft (206), and the outer surface of the rotating shaft (206) is fixedly connected to a baffle (207); A pressing assembly (3) is provided above the support base (1), and the pressing assembly (3) comprises two movable brackets (301).

2. The anti-loosening structure for a multi-way valve according to claim 1, characterized in that: A sliding groove (208) is provided inside the support base (1), and the outer surface of each connecting frame (203) is slidably connected to the inner wall of the sliding groove (208).

3. The anti-loosening structure for a multi-way valve according to claim 1, characterized in that: One end of the bidirectional threaded rod (201) is fixedly connected to a hand wheel (209), and one end of the adjusting screw rod (205) is fixedly connected to a rocker (210).

4. The anti-loosening structure for a multi-way valve according to claim 1, characterized in that: The interior of each movable bracket (301) is threadedly connected to a lifting screw rod (302), and the bottom end of each lifting screw rod (302) is fixedly connected to a pressing plate (303).

5. The anti-loosening structure for a multi-way valve according to claim 4, characterized in that: The upper end of each lifting screw rod (302) is fixedly connected to a hexagonal twist block (304), and the lower end of each movable bracket (301) is fixedly connected to two movable sleeve rings (305).

6. The anti-loosening structure for a multi-way valve according to claim 5, characterized in that: Two guide rods (306) are fixedly connected inside the support base (1), and each movable ring (305) is slidably connected to the outer surface of the corresponding guide rod (306).

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