Hydraulic oil cylinder convenient for stroke adjustment

Abstract

The utility model provides a hydraulic oil cylinder facilitating stroke adjustment, and relates to the field of hydraulic cylinders. The hydraulic oil cylinder facilitating stroke adjustment comprises an oil cylinder body, a hydraulic rod is slidably connected into the oil cylinder body, an adjusting mechanism is arranged at the top end of the hydraulic rod and comprises a lifting sleeve and a fixing rod, and a rotating sleeve is rotatably connected into the lifting sleeve; a supporting mechanism is arranged on the surface of the oil cylinder body and comprises a fixing block and a supporting frame. According to the hydraulic oil cylinder convenient to adjust the stroke, the supporting frame is fixed through the fixing block, the top end of the lifting sleeve is fixed through the supporting frame, displacement of the lifting sleeve is avoided, the oil cylinder body controls the hydraulic rod to slide and drives the hydraulic rod to move in a reciprocating mode, and the length value between the lifting sleeve and the fixing rod is adjusted through rotation of the rotating sleeve; and the length value of the hydraulic rod is adjusted, so that the device can adapt to travel requirements of various specifications, and the application range of the device is widened.

Description

Technical Field

[0001] The utility model relates to a hydraulic cylinder, in particular to a hydraulic cylinder convenient for stroke adjustment, belonging to the technical field of hydraulic cylinders. Background Technique

[0002] A hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and makes a linear reciprocating motion. It has a simple structure and reliable operation. When using it to achieve reciprocating motion, a deceleration device can be omitted, and there is no transmission gap, and the motion is stable. Therefore, it is widely used in the hydraulic systems of various machines. The output force of the hydraulic cylinder is proportional to the effective area of the piston and the pressure difference on both sides.

[0003] The utility model patent with the patent number CN217539168U discloses a shock-absorbing hydraulic cylinder, including a hydraulic cylinder body and a mounting cover. Sealing arc grooves are provided inside the hydraulic cylinder body. A mounting cover is arranged on one side of the hydraulic cylinder body, and a first sealing block matching the inner wall of the hydraulic cylinder body is installed on one side of the mounting cover. In this shock-absorbing hydraulic cylinder, when the arc-shaped elastic plate is tightened, the movable plug is reset under the action of the elastic force of the arc-shaped elastic plate and the third spring, achieving a good shock-absorbing and buffering effect.

[0004] In order to control the movement of objects, a hydraulic cylinder is used. Although the device in the above patent improves the shock-absorbing effect, when the hydraulic cylinder is used, due to the limited length of the hydraulic rod, when the stroke distance is greater than the length of the hydraulic rod, a new hydraulic cylinder needs to be replaced, resulting in a more cumbersome adjustment of the hydraulic rod length. For this reason, we provide a hydraulic cylinder convenient for stroke adjustment to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a hydraulic cylinder convenient for stroke adjustment in order to solve the problem of the cumbersome adjustment of the hydraulic rod length in the comparative document.

[0006] The utility model is realized through the following technical solutions: a hydraulic cylinder convenient for stroke adjustment.

[0007] It includes a cylinder body, a hydraulic rod is slidably connected inside the cylinder body, an adjusting mechanism is arranged at the top of the hydraulic rod, the adjusting mechanism includes a lifting sleeve and a fixed rod, a rotating sleeve is rotatably connected inside the lifting sleeve, a supporting mechanism is arranged on the surface of the cylinder body, and the supporting mechanism includes a fixed block fixedly connected to the cylinder body, and a support frame is rotatably connected to the middle of the fixed block.

[0008] Preferably, the bottom end of the fixed rod is fixedly connected to the hydraulic rod, and the fixed rod is slidably connected to the lifting sleeve. The top end of the fixed rod is fixedly connected to a threaded rod, and the threaded rod is threadedly connected to the rotating sleeve. By rotating the rotating sleeve on the surface of the threaded rod, the distance value between the fixed rod and the rotating sleeve is adjusted, thereby adjusting the length value of the hydraulic rod.

[0009] Preferably, a scale plate is fixedly connected to the surface of the fixed rod. A pointer groove is formed at the bottom end of the lifting sleeve, and the pointer groove is located on the surface of the scale plate. The scale on the surface of the scale plate is read through the pointer groove to improve the accuracy of the length adjustment of the hydraulic rod.

[0010] Preferably, a helical gear ring is fixedly connected to the top end of the rotating sleeve. A worm is rotatably connected to the top end of the lifting sleeve, and the worm meshes with the helical gear ring. By driving the helical gear ring to rotate by the worm, and there is a self-locking function between the worm and the helical gear ring to prevent the helical gear ring from rotating randomly.

[0011] Preferably, a manual turntable is fixedly connected to one end of the worm, and an electric buckle is fixedly connected to the middle of the manual turntable. Through the electric buckle, it is convenient for the staff to use electric equipment to rotate the worm.

[0012] Preferably, a sliding groove is formed in the middle of the lifting sleeve. A sliding rod is slidably connected to the inside of the sliding groove, and the bottom end of the sliding rod is fixedly connected to the hydraulic rod. Through the sliding rod and the sliding groove, the lifting sleeve and the fixed rod are limited to improve the stability of the sliding of the fixed rod inside the lifting sleeve.

[0013] Preferably, a fixed connecting piece is fixedly connected to the bottom end of the cylinder body. A first buckle is fixedly connected to the surface of the fixed connecting piece, and the support frame is clamped with the first buckle. Through the first buckle, the support frame is fixed when the length of the hydraulic rod is not adjusted.

[0014] Preferably, a movable connecting piece is fixedly connected to the top end of the lifting sleeve. A second buckle is fixedly connected to the surface of the movable connecting piece, and the support frame is clamped with the second buckle. Through the second buckle, when the length of the hydraulic rod needs to be adjusted, the support frame fixes the position of the movable connecting piece.

[0015] The present utility model provides a hydraulic cylinder facilitating stroke adjustment, and the beneficial effects thereof are as follows:

[0016] The hydraulic cylinder facilitating stroke adjustment controls the telescopic sliding of the hydraulic rod through the cylinder body, driving the reciprocating movement of the hydraulic rod. By rotating the rotating sleeve, the length value between the lifting sleeve and the fixed rod is adjusted, and then the length value of the hydraulic rod is adjusted, enabling the device to adapt to stroke requirements of various specifications and improving the applicable range of the device. Through the fixed block, the support frame is fixed, and the top of the lifting sleeve is fixed through the support frame, preventing the displacement of the lifting sleeve when the length of the hydraulic rod is adjusted and improving the stability and safety of the length adjustment of the hydraulic rod.

[0017] The hydraulic cylinder facilitating stroke adjustment adjusts the distance value between the fixed rod and the rotating sleeve by rotating the rotating sleeve on the surface of the threaded rod, and then adjusts the length value of the hydraulic rod. The scale on the surface of the scale plate is read through the pointer groove to determine the numerical value of the length adjustment of the hydraulic rod, improving the accuracy of the length adjustment of the hydraulic rod. By rotating the worm, the helical gear ring is driven to rotate, and there is a self-locking function between the worm and the helical gear ring, preventing the helical gear ring from rotating when the worm does not rotate and improving the stability of the device operation. Through the manual turntable, it is convenient to manually rotate the worm, and through the electric buckle, it is convenient for the staff to use electric equipment to rotate the worm, improving the convenience of the worm rotation.

[0018] The hydraulic cylinder facilitating stroke adjustment limits the positions of the lifting sleeve and the fixed rod through the sliding rod and the sliding groove, preventing the fixed rod from rotating and improving the stability of the fixed rod sliding inside the lifting sleeve. The cylinder body is connected to the equipment through the fixed connecting piece, and the support frame is fixed through the first buckle to fix the support frame when the length of the hydraulic rod is not adjusted. The lifting sleeve is connected to the equipment through the movable connecting piece, and the support frame is fixed through the second buckle to fix the position of the movable connecting piece by the support frame when the length of the hydraulic rod needs to be adjusted, reducing the difficulty of the length adjustment of the hydraulic rod and improving the convenience of the length adjustment of the hydraulic rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is the overall structural schematic diagram of the present utility model;

[0020] Figure 2 is the structural schematic diagram of the connection of the helical gear ring of the present utility model;

[0021] Figure 3 is the exploded structural schematic diagram of the connection of the threaded rod of the present utility model;

[0022] Figure 4 is the structural schematic diagram of the scale plate and the pointer groove of the present utility model.

[0023]

SYMBOLS DESCRIPTION OF MAIN COMPONENTS

[0024] 1. Cylinder body; 2. Fixed connecting piece; 3. Movable connecting piece; 4. Hydraulic rod; 5. Adjusting mechanism; 6. Supporting mechanism;

[0025] 5. Adjusting mechanism; 501. Lifting sleeve; 502. Rotating sleeve; 503. Helical gear ring; 504. Worm; 505. Manual turntable; 506. Electric buckle; 507. Threaded rod; 508. Fixed rod; 509. Scale plate; 510. Pointer groove; 511. Sliding groove; 512. Sliding rod;

[0026] 6. Supporting mechanism; 601. Fixed block; 602. Support frame; 603. First buckle; 604. Second buckle. Specific embodiments

[0027] An embodiment of the utility model provides a hydraulic cylinder facilitating stroke adjustment.

[0028] Please refer to Figure 2 , Figure 3 and Figure 4 , which includes a cylinder body 1. A hydraulic rod 4 is slidably connected inside the cylinder body 1. An adjusting mechanism 5 is provided at the top of the hydraulic rod 4. The adjusting mechanism 5 includes a lifting sleeve 501 and a fixed rod 508. A rotating sleeve 502 is rotatably connected inside the lifting sleeve 501. By controlling the telescopic sliding of the hydraulic rod 4 by the cylinder body 1, the hydraulic rod 4 is driven to reciprocate. By rotating the rotating sleeve 502, the length value between the lifting sleeve 501 and the fixed rod 508 is adjusted, and further the length value of the hydraulic rod 4 is adjusted, so that the device can adapt to the stroke requirements of various specifications and improve the application range of the device.

[0029] The bottom end of the fixed rod 508 is fixedly connected to the hydraulic rod 4, and the fixed rod 508 is slidably connected to the lifting sleeve 501. The top end of the fixed rod 508 is fixedly connected to a threaded rod 507, and the threaded rod 507 is threadedly connected to the rotating sleeve 502. By rotating the rotating sleeve 502 on the surface of the threaded rod 507, the distance value between the fixed rod 508 and the rotating sleeve 502 is adjusted, and further the length value of the hydraulic rod 4 is adjusted.

[0030] A scale plate 509 is fixedly connected to the surface of the fixed rod 508. A pointer groove 510 is opened at the bottom end of the lifting sleeve 501, and the pointer groove 510 is located on the surface of the scale plate 509. The scale on the surface of the scale plate 509 is read through the pointer groove 510, and further the numerical value of the length adjustment of the hydraulic rod 4 is determined, so as to improve the accuracy of the length adjustment of the hydraulic rod 4.

[0031] The top end of the rotating sleeve 502 is fixedly connected with a helical gear ring 503. The top end of the lifting sleeve 501 is rotatably connected with a worm 504, and the worm 504 meshes with the helical gear ring 503. By rotating the worm 504, the helical gear ring 503 is driven to rotate. There is a self-locking function between the worm 504 and the helical gear ring 503 to prevent the helical gear ring 503 from rotating when the worm 504 does not rotate, improving the stability of the device operation.

[0032] One end of the worm 504 is fixedly connected with a manual turntable 505, and the middle part of the manual turntable 505 is fixedly connected with an electric buckle 506. By means of the manual turntable 505, it is convenient to manually rotate the worm 504. By means of the electric buckle 506, it is convenient for the staff to use electric equipment to rotate the worm 504, improving the convenience of rotating the worm 504.

[0033] A sliding groove 511 is formed in the middle part of the lifting sleeve 501. A sliding rod 512 is slidably connected inside the sliding groove 511, and the bottom end of the sliding rod 512 is fixedly connected with the hydraulic rod 4. By means of the sliding rod 512 and the sliding groove 511, the positions of the lifting sleeve 501 and the fixed rod 508 are limited to prevent the fixed rod 508 from rotating, improving the stability of the fixed rod 508 sliding inside the lifting sleeve 501.

[0034] The bottom end of the oil cylinder body 1 is fixedly connected with a fixed connector 2. The surface of the fixed connector 2 is fixedly connected with a first buckle 603, and the support frame 602 is clamped with the first buckle 603. By means of the fixed connector 2, the oil cylinder body 1 is connected with the equipment. By means of the first buckle 603, the support frame 602 is fixed. When the length of the hydraulic rod 4 is not adjusted, the support frame 602 is fixed.

[0035] Please refer to again Figure 1 and Figure 2 As shown in, a support mechanism 6 is arranged on the surface of the oil cylinder body 1. The support mechanism 6 includes a fixed block 601 fixedly connected with the oil cylinder body 1. The middle part of the fixed block 601 is rotatably connected with a support frame 602. By means of the fixed block 601, the support frame 602 is fixed. By means of the support frame 602, the top end of the lifting sleeve 501 is fixed to prevent the lifting sleeve 501 from shifting when the length of the hydraulic rod 4 is adjusted, improving the stability and safety of the length adjustment of the hydraulic rod 4.

[0036] The top end of the lifting sleeve 501 is fixedly connected to the movable connecting piece 3. The surface of the movable connecting piece 3 is fixedly connected to the second buckle 604, and the support frame 602 is clamped with the second buckle 604. Through the movable connecting piece 3, the lifting sleeve 501 is connected to the device together. The support frame 602 is fixed by the second buckle 604. When the length of the hydraulic rod 4 needs to be adjusted, the support frame 602 fixes the position of the movable connecting piece 3, reducing the difficulty of adjusting the length of the hydraulic rod 4 and improving the convenience of adjusting the length of the hydraulic rod 4.

[0037] When the present utility model is in use: The device is installed on the equipment through the fixed connecting piece 2 and the movable connecting piece 3. When the length of the hydraulic rod 4 needs to be adjusted, the hydraulic rod 4 is controlled to slide outwards through the oil cylinder body 1. The support frame 602 is flipped to make the support frame 602 clamped with the second buckle 604. The position of the movable connecting piece 3 is fixed by the support frame 602, reducing the difficulty of adjusting the length of the hydraulic rod 4. Through the electric buckle 506, it is convenient for the staff to use an electric device to rotate the worm 504. The worm 504 drives the helical gear ring 503 to rotate, controlling the rotating sleeve 502 to rotate on the surface of the threaded rod 507, adjusting the distance value between the fixed rod 508 and the rotating sleeve 502, and further adjusting the length value of the hydraulic rod 4. Due to the self-locking function between the worm 504 and the helical gear ring 503 and the self-locking function between the rotating sleeve 502 and the threaded rod 507, the length value of the hydraulic rod 4 is fixed, improving the stability of the device operation. Through the above device, the difficulty of adjusting the length of the hydraulic rod 4 is reduced, enabling the device to adapt to various specifications of stroke requirements and improving the applicable range of the device.

[0038] The above has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art of this industry should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A hydraulic cylinder for easy stroke adjustment, comprising a cylinder body (1), characterized in that: The interior of the oil cylinder body (1) is slidably connected to a hydraulic rod (4), and an adjustment mechanism (5) is provided at the top end of the hydraulic rod (4). The adjustment mechanism (5) comprises a lifting sleeve (501) and a fixed rod (508). The interior of the lifting sleeve (501) is rotatably connected to a rotating sleeve (502). A support mechanism (6) is provided on the surface of the oil cylinder body (1). The support mechanism (6) comprises a fixed block (601) fixedly connected to the oil cylinder body (1), and the middle part of the fixed block (601) is rotatably connected to a support frame (602).

2. A hydraulic cylinder with easy stroke adjustment according to claim 1, characterized in that: The bottom end of the fixed rod (508) is fixedly connected to the hydraulic rod (4), and the fixed rod (508) is slidably connected to the lifting sleeve (501). The top end of the fixed rod (508) is fixedly connected to the threaded rod (507), and the threaded rod (507) is threadedly connected to the rotating sleeve (502).

3. The hydraulic cylinder with easy stroke adjustment according to claim 1, characterized in that: A scale plate (509) is fixedly connected to the surface of the fixed rod (508), and a pointer groove (510) is provided at the bottom end of the lifting sleeve (501), and the pointer groove (510) is located on the surface of the scale plate (509).

4. The hydraulic cylinder with easy stroke adjustment according to claim 1, characterized in that: The top end of the rotating sleeve (502) is fixedly connected to a bevel gear ring (503), and the top end of the lifting sleeve (501) is rotatably connected to a worm (504), and the worm (504) and the bevel gear ring (503) are meshed with each other.

5. The hydraulic cylinder with easy stroke adjustment according to claim 4, characterized in that: One end of the worm (504) is fixedly connected to a manual turntable (505), and the middle of the manual turntable (505) is fixedly connected to an electric buckle (506).

6. The hydraulic cylinder with easy stroke adjustment according to claim 1, characterized in that: A sliding groove (511) is provided in the middle of the lifting sleeve (501), a sliding rod (512) is slidably connected inside the sliding groove (511), and the bottom end of the sliding rod (512) is fixedly connected to the hydraulic rod (4).

7. The hydraulic cylinder with easy stroke adjustment according to claim 1, characterized in that: The bottom end of the oil cylinder body (1) is fixedly connected to a fixed connection piece (2), the surface of the fixed connection piece (2) is fixedly connected to a first buckle (603), and the support frame (602) is clamped to the first buckle (603).

8. The hydraulic cylinder with easy stroke adjustment according to claim 1, characterized in that: The top end of the lifting sleeve (501) is fixedly connected to a movable connecting member (3), the surface of the movable connecting member (3) is fixedly connected to a second buckle (604), and the support frame (602) is buckled with the second buckle (604).

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