Leakage-proof outer sealing mechanism of hydraulic oil cylinder

Abstract

The utility model discloses a hydraulic oil cylinder leakproof outer sealing mechanism which comprises a hydraulic oil cylinder and a self-checking assembly, the left end of the hydraulic oil cylinder is connected with a movable push rod in a sliding mode, and the self-checking assembly used for reminding workers that a sealing gasket is damaged is installed at the right end of the movable push rod. The self-checking assembly comprises a first sealing gasket, connecting rods, a second sealing gasket, springs, a movable sealing gasket, an ejector rod and a red movable block, the connecting rods are symmetrically arranged at the upper end and the lower end of the right side of the first sealing gasket, the second sealing gasket is fixedly installed at the right ends of the connecting rods, and the outer walls of the connecting rods are sleeved with the springs; a movable sealing gasket is fixedly installed at the right end of the spring, and an ejector rod is vertically arranged in the middle of the left side of the movable sealing gasket. The leakage-proof outer sealing mechanism of the hydraulic oil cylinder can be used for reminding a worker that the sealing gasket of the hydraulic oil cylinder is damaged, and meanwhile, the convenience during disassembly can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic oil cylinder technical field, concretely is a kind of hydraulic oil cylinder anti-leakage outer sealing mechanism. BACKGROUND

[0002] Hydraulic cylinder is the hydraulic energy into mechanical energy, do linear reciprocating motion (or swing motion) hydraulic actuator. It is simple in structure, and reliable in operation. When it is used to realize reciprocating motion, gear reduction device can be avoided, and there is no transmission gap, and movement is stable, so it is widely used in the hydraulic system of various machines. Hydraulic cylinder output force and the effective area of piston and the pressure difference of its two sides are directly proportional;Hydraulic cylinder is basically composed of cylinder and cylinder cover, piston and piston rod, sealing device, buffer device and exhaust device. Buffer device and exhaust device are determined according to specific application, and other devices are essential.

[0003] The existing hydraulic oil cylinder will cause the sealing gasket arranged therein to be damaged due to long time work, and if the sealing gasket is not maintained in time after the problem occurs, the hydraulic oil in the hydraulic oil cylinder will leak, affecting the later use.

[0004] Therefore, in view of the above, the existing structure is improved, and a hydraulic oil cylinder anti-leakage outer sealing mechanism is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of hydraulic oil cylinder anti-leakage outer sealing mechanism to solve the problems presented in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of hydraulic oil cylinder anti-leakage outer sealing mechanism, including hydraulic oil cylinder and self-checking component, the left end of the hydraulic oil cylinder is slidably connected with movable push rod, the self-checking component for prompting staff sealing gasket appears damaged is installed in the right end of movable push rod, the self-checking component includes first sealing gasket, connecting rod, second sealing gasket, spring, movable sealing gasket, jack and red movable block, the right side of the first sealing gasket is symmetrically provided with connecting rod on upper and lower ends, and the right end of connecting rod is fixedly installed with second sealing gasket, the outer wall of connecting rod is equipped with spring, and the right end of spring is fixedly installed with movable sealing gasket, the left side of movable sealing gasket is vertically provided with jack in the middle part, and the left end of jack is fixedly installed with red movable block.

[0007] Preferably, the right end of the second sealing gasket is fixedly installed with the anti-fouling plate, and the movable sealing gasket is located in the middle part of the first sealing gasket and the second sealing gasket.

[0008] Preferably, the left side of the movable push rod is provided with an observation port, and the observation port is slidably connected with the red movable block.

[0009] Preferably, the left side of the hydraulic cylinder is threadedly connected with a cylinder cover, and grooves are formed in the front and back sides of the cylinder cover.

[0010] Preferably, an opening is formed in the right side of the groove, and a handle is arranged in the interior of the groove.

[0011] Preferably, a soft rubber pad is arranged on the right end of the handle, and shaft rods are vertically arranged on the left side of the handle.

[0012] Preferably, a torsion spring is arranged on the outer wall of the shaft rod, and the end of the torsion spring is fixed to the groove.

[0013] Compared with the prior art, the hydraulic cylinder anti-leakage outer sealing mechanism can not only remind the staff that the hydraulic cylinder sealing pad is damaged, but also improve the convenience during disassembly.

[0014] 1. The self-checking assembly is arranged, when the second sealing pad arranged on the left side of the anti-fouling plate is damaged, the hydraulic oil in the hydraulic cylinder pushes the movable sealing pad to move to the left side through the second sealing pad, the movable sealing pad moves at the same time to push the center-arranged push rod to move synchronously, the push rod moves at the same time to push the red movable block to move to the observation opening arranged on the side of the movable push rod, the staff can stop using the hydraulic cylinder in time and maintain it according to the display in the observation opening, so as to remind the staff that the hydraulic cylinder sealing pad is damaged and prevent the loss caused by the continuous use of the hydraulic cylinder.

[0015] 2. The groove cooperates with the handle, the handle arranged in the interior of the groove is pushed out through the opening arranged on the side of the groove, the handle cooperates with the shaft rod to drive the cylinder cover to reversely rotate and separate from the hydraulic cylinder, so as to assist the hydraulic cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole three-dimensional structure schematic view of the utility model;

[0017] Figure 2 It is a whole sectional structure schematic view of the utility model;

[0018] Figure 3 It is a self-checking assembly structure schematic view of the utility model;

[0019] Figure 4 It is a whole structure schematic view of the handle of the utility model.

[0020] In the diagram: 1. Hydraulic cylinder; 2. Movable push rod; 3. Self-testing component; 301. First sealing gasket; 302. Connecting rod; 303. Second sealing gasket; 304. Spring; 305. Movable sealing gasket; 306. Push rod; 307. Red movable block; 4. Anti-fouling plate; 5. Observation port; 6. Cylinder cover; 7. Groove; 8. Notch; 9. Handle; 10. Soft rubber pad; 11. Shaft; 12. Torsion spring. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] like Figures 1-3 As shown, a hydraulic cylinder anti-leakage external sealing mechanism includes a hydraulic cylinder (1) and a self-testing component (3). A movable push rod (2) is slidably connected to the left end of the hydraulic cylinder (1). The self-testing component (3), which is used to indicate to the operator that the sealing gasket is damaged, is installed at the right end of the movable push rod (2). The self-testing component (3) includes a first sealing gasket (301), a connecting rod (302), a second sealing gasket (303), a spring (304), a movable sealing gasket (305), a push rod (306), and a red movable block. (307) Connecting rods (302) are symmetrically arranged at the upper and lower ends of the right side of the first sealing gasket (301), and a second sealing gasket (303) is fixedly installed at the right end of the connecting rod (302). A spring (304) is sleeved on the outer wall of the connecting rod (302), and a movable sealing gasket (305) is fixedly installed at the right end of the spring (304). A top rod (306) is vertically arranged in the middle of the left side of the movable sealing gasket (305), and a red movable block (307) is fixedly installed at the left end of the top rod (306).

[0023] When the second sealing gasket (303) on the left side of the anti-fouling plate (4) is damaged, the hydraulic oil inside the hydraulic cylinder (1) will pass over the second sealing gasket (303) and push the movable sealing gasket (305) to the left. At the same time as the movable sealing gasket (305) moves, it pushes the centrally located push rod (306) to move synchronously. At the same time as the push rod (306) moves, it pushes the red movable block (307) to the observation port (5) on the side of the movable push rod (2). The staff can use the situation displayed inside the observation port (5) to stop the use of the hydraulic cylinder (1) in time and perform maintenance, so as to remind the staff that the sealing gasket is damaged.

[0024] like Figures 1-4As shown, the right end of the second sealing gasket (303) is fixedly provided with an anti-fouling plate (4), and the movable sealing gasket (305) is located in the middle part of the first sealing gasket (301) and the second sealing gasket (303).

[0025] Further, the left side of the movable push rod (2) is provided with an observation port (5), and the observation port (5) is slidably connected with the red movable block (307).

[0026] By adopting the above technical scheme, the observation port (5) cooperates with the built-in magnifying glass to display the position of the red movable block (307) provided at the rear end of the observation port (5).

[0027] Further, the left side of the hydraulic oil cylinder (1) is threadedly connected with a cylinder cover (6), and the front and rear sides of the cylinder cover (6) are provided with grooves (7).

[0028] By adopting the above technical scheme, the grooves (7) are used to accommodate the handle (9) to reduce the interference during use.

[0029] Further, the right side of the groove (7) is provided with an opening (8), and the inside of the groove (7) is provided with a handle (9).

[0030] By adopting the above technical scheme, the handle (9) is used to assist the rotation and disassembly of the cylinder cover (6).

[0031] Further, the right end of the handle (9) is sleeved with a soft rubber pad (10), and the left side of the handle (9) is vertically provided with a shaft rod (11).

[0032] By adopting the above technical scheme, the shaft rod (11) connects the handle (9) with the cylinder cover (6).

[0033] Further, the outer wall of the shaft rod (11) is sleeved with a torsional spring (12), and the end of the torsional spring (12) is fixed with the groove (7).

[0034] By adopting the above technical scheme, the torsional spring (12) is used to provide the retracting power when the handle (9) is accommodated.

[0035] Working principle: when the hydraulic oil cylinder anti-leakage outer sealing mechanism is used, first,

[0036] When the second sealing gasket (303) on the left side of the anti-pollution plate (4) inside the hydraulic cylinder (1) is damaged, the hydraulic oil inside the hydraulic cylinder (1) will push the movable sealing gasket (305) to move to the left side through the second sealing gasket (303), and the movable sealing gasket (305) will push the center-set top rod (306) to move synchronously while moving, and the top rod (306) will push the red movable block (307) to move to the side of the observation port (5) set on the movable push rod (2), and the staff can use the observation port (5) to display the situation inside to stop using the hydraulic cylinder (1) in time and maintain it, so as to achieve the purpose of reminding the staff that the sealing gasket of the hydraulic cylinder is damaged, and prevent the loss caused by continuous use of hydraulic oil leakage.

[0037] When maintenance is needed, the handle (9) elastically arranged inside the groove (7) can be pulled out through the opening (8) on one side of the groove (7), and the handle (9) can cooperate with the shaft rod (11) to drive the cylinder cover (6) to rotate in the opposite direction and separate from the hydraulic cylinder (1), which is the working principle of the anti-leakage outer sealing mechanism of the hydraulic cylinder.

Claims

1. A hydraulic cylinder anti-leakage outer sealing mechanism, comprising a hydraulic cylinder (1) and a self-checking assembly (3), characterized in that, The left end of the hydraulic oil cylinder (1) is slidably connected with a movable push rod (2), a self-checking assembly (3) for prompting workers that the sealing pad is damaged is installed at the right end of the movable push rod (2), the self-checking assembly (3) comprises a first sealing pad (301), a connecting rod (302), a second sealing pad (303), a spring (304), a movable sealing pad (305), a jacking rod (306) and a red movable block (307), the right side of the first sealing pad (301) is symmetrically provided with the connecting rod (302) at the upper and lower ends, the right end of the connecting rod (302) is fixedly installed with the second sealing pad (303), the outer wall of the connecting rod (302) is sleeved with the spring (304), the right end of the spring (304) is fixedly installed with the movable sealing pad (305), the left side of the movable sealing pad (305) is vertically provided with the jacking rod (306), and the left end of the jacking rod (306) is fixedly installed with the red movable block (307).

2. The hydraulic cylinder leak-proof outer sealing mechanism according to claim 1, wherein, The right end of the second sealing pad (303) is fixedly installed with an anti-fouling plate (4), and the movable sealing pad (305) is located in the middle part of the first sealing pad (301) and the second sealing pad (303).

3. The hydraulic cylinder leak-proof outer sealing mechanism according to claim 1, wherein, The left side of the movable push rod (2) is provided with an observation port (5), and the inside of the observation port (5) is slidably connected with the red movable block (307).

4. The hydraulic cylinder leak-proof outer sealing mechanism according to claim 1, wherein, The left side of the hydraulic oil cylinder (1) is threadedly connected with a cylinder cover (6), and recesses (7) are formed in the front and back sides of the cylinder cover (6).

5. The hydraulic cylinder leak-proof outer sealing mechanism according to claim 4, wherein, The right side of the recess (7) is provided with an opening (8), and the inside of the recess (7) is provided with a handle (9).

6. The hydraulic cylinder leak-proof outer sealing mechanism according to claim 5, wherein, The right end of the handle (9) is sleeved with a soft rubber pad (10), and the left side of the handle (9) is vertically provided with shaft rods (11) at the upper and lower ends.

7. The hydraulic cylinder leak-proof outer sealing mechanism according to claim 6, wherein, The outer wall of the shaft rod (11) is sleeved with a torsional spring (12), and the end of the torsional spring (12) is fixed to the recess (7).

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