Oil cylinder guide sleeve locking device

Abstract

The utility model relates to the technical related field of oil cylinder guide sleeves, in particular to an oil cylinder guide sleeve locking device which comprises a device body, an oil cylinder barrel, a guide sleeve piece and a protection assembly are arranged in the device body, an oil cylinder cover is fixed at the upper end of the oil cylinder barrel, and a piston rod is arranged in the center of the oil cylinder barrel and the center of the oil cylinder cover. A center groove is formed in the center of the oil cylinder cover, four sets of embedded holes are formed in the periphery of the oil cylinder cover, two sets of installation holes are formed in the upper end of the oil cylinder cover, the guide sleeve piece is correspondingly inserted into the center groove, fixing holes are formed in the side face of the guide sleeve piece, fixing bolts are connected into the fixing holes and the embedded holes, and the protection assembly is installed at the upper end of the oil cylinder cover. The guide sleeve part can be positioned and installed, operation is easy and convenient, the installation stability is high, the problem that the guide sleeve is loosened in the use period is effectively solved, the top of the guide sleeve can be covered and protected, and dust and stains are prevented from infecting the guide sleeve to cause abrasion.

Description

Technical Field

[0001] This utility model relates to the field of hydraulic cylinder guide sleeve technology, and in particular to a hydraulic cylinder guide sleeve anti-loosening device. Background Technology

[0002] A hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy. It is mainly used to achieve linear reciprocating motion or oscillating motion. As a common industrial instrument, hydraulic cylinders are widely used in production and daily life. Hydraulic cylinders need to be equipped with guide sleeves, which guide the stroke of the hydraulic cylinder during the movement.

[0003] The utility model patent with publication number CN 215109791 U in the prior art proposes a hydraulic cylinder guide sleeve anti-loosening device, which allows users to prevent the guide sleeve from loosening in a relatively simple way by inserting the bottom of the guide sleeve body into the interior of the movable chamber, thereby avoiding affecting the performance of the guide sleeve, facilitating the installation and removal of the guide sleeve body by the user, and improving the practicality of the device.

[0004] However, the bolts that fix the guide sleeve are designed longitudinally, and the direction of bolt movement is the same as that of the guide sleeve. Even a slight loosening of the bolts can cause the guide sleeve to loosen, resulting in poor stability. At the same time, both the bolts and the top of the guide sleeve are exposed, making them more susceptible to corrosion and blockage by contaminants. This makes it inconvenient to inspect and replace the guide sleeve later. Therefore, we need to upgrade and modify the existing technology to overcome the existing problems and shortcomings. Utility Model Content

[0005] The purpose of this utility model is to provide a hydraulic cylinder guide sleeve anti-loosening device to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A hydraulic cylinder guide sleeve anti-loosening device is designed, comprising a device body, which includes a hydraulic cylinder body, a guide sleeve, and a protective component. A hydraulic cylinder cover is fixed to the upper end of the hydraulic cylinder body. A piston rod is arranged at the center of the hydraulic cylinder body and the hydraulic cylinder cover. A central groove is opened in the center of the hydraulic cylinder cover, and four sets of embedded holes are opened around its perimeter. Two sets of mounting holes are opened at the upper end of the hydraulic cylinder cover. The guide sleeve is inserted into the central groove. A fixing hole is opened on the side of the guide sleeve. A fixing bolt is connected to the fixing hole and the embedded hole. The protective component is installed on the upper end of the hydraulic cylinder cover.

[0008] Furthermore, a positioning groove is provided on the lower side wall of the guide kit, and a positioning rod is provided on the inner wall of the central groove. The guide kit is inserted into the positioning rod through the positioning groove.

[0009] Furthermore, the upper end of the guide assembly is provided with an upper sealing ring, which fits against the piston rod, and the lower end of the guide assembly is provided with a lower sealing ring, which fits against the cylinder body.

[0010] Furthermore, the protective assembly includes a hinge seat, two sets of which are symmetrically fixed on the cylinder head. A rotating shaft is provided on the inner side of the hinge seat, and a first cover plate and a second cover plate are respectively fixedly connected to the rotating shaft on both sides.

[0011] Furthermore, both the first cover plate and the second cover plate are configured with an arc-shaped structure and a pressure plate is installed at the lower end. Arc-shaped holes are correspondingly opened on the inner sides of the first cover plate and the second cover plate. A mounting bolt is inserted into the inner side of the arc-shaped hole and the lower end of the mounting bolt is screwed to the mounting hole.

[0012] Furthermore, an elastic washer is fitted onto the upper end of the mounting bolt, and the elastic washer abuts against the upper end of the arc-shaped holes on both sides.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] 1. This utility model features a central groove, positioning rod, embedded hole, guide sleeve, fixing hole, fixing bolt, and positioning slot within the device. The guide sleeve is aligned and inserted using the positioning rod and positioning slot, and the fixing hole and embedded hole are screwed together and fixed using the fixing bolt. This enables the positioning and installation of the guide sleeve, which is simple and convenient to operate and has high installation stability. It effectively prevents the guide sleeve from loosening during use, eliminates the need for multiple sets of bolts or glue for fixing, facilitates later inspection and maintenance, and improves the practicality of the device.

[0015] 2. This utility model includes a hinge seat, a rotating shaft, a first cover plate, a second cover plate, a lower pressure plate, arc-shaped holes, mounting bolts, and elastic gaskets. The rotating shaft controls the rotation of the first and second cover plates, allowing the two sets of arc-shaped holes to fit symmetrically. The mounting bolts and elastic gaskets secure and limit the two sets of cover plates, thereby providing top cover protection for the guide sleeve, preventing dust and dirt from contaminating the guide sleeve and causing wear. Furthermore, the guide sleeve is limited and fixed, ensuring its stability in use and improving the reliability of the device.

[0016] Specific embodiments of the present invention are disclosed in detail with reference to the following description and accompanying drawings, indicating how the principles of the present invention can be employed. It should be understood that the embodiments of the present invention are not limited in scope. Within the spirit and scope of the appended claims, the embodiments of the present invention include many changes, modifications, and equivalents. Attached Figure Description

[0017] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0018] Figure 1 This is a schematic diagram of the overall structure according to the present utility model;

[0019] Figure 2 This is an exploded view of the overall structure according to this utility model;

[0020] Figure 3 An exploded view of the guide kit according to this utility model;

[0021] Figure 4 This is an exploded view of the protective component according to the present invention.

[0022] In the diagram: 1. Device body; 2. Cylinder body; 3. Cylinder cover; 31. Center groove; 32. Positioning rod; 33. Embedded hole; 34. Mounting hole; 4. Piston rod; 5. Guide kit; 51. Upper sealing ring; 52. Lower sealing ring; 53. Fixing hole; 54. Fixing bolt; 55. Positioning groove; 6. Protective assembly; 61. Hinge seat; 62. Rotating shaft; 63. First cover plate; 64. Second cover plate; 65. Lower pressure plate; 66. Arc-shaped hole; 67. Mounting bolt; 68. Elastic gasket. Detailed Implementation

[0023] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0024] like Figure 1 As shown in Figure 4, this embodiment provides a hydraulic cylinder guide sleeve anti-loosening device, including a device body 1. The device body 1 contains a hydraulic cylinder 2, a guide sleeve 5, and a protective component 6. A hydraulic cylinder cover 3 is fixed to the upper end of the hydraulic cylinder 2. A piston rod 4 is arranged at the center of the hydraulic cylinder 2 and the hydraulic cylinder cover 3. The hydraulic cylinder cover 3 has a central groove 31 and four sets of embedded holes 33 around its perimeter. Two sets of mounting holes 34 are opened at the upper end of the hydraulic cylinder cover 3. The guide sleeve 5 is correspondingly inserted into the central groove 31. A fixing hole is opened on the side of the guide sleeve 5. Hole 53, the fixing hole 53 is connected to the embedded hole 33 by a fixing bolt 54, the protective component 6 is installed on the upper end of the cylinder cover 3, the guide kit 5 has a positioning groove 55 on the lower side wall, the center groove 31 has a positioning rod 32 on the inner wall, the guide kit 5 is inserted into the positioning rod 32 through the positioning groove 55, the upper end of the guide kit 5 has an upper sealing ring 51, the upper sealing ring 51 is in contact with the piston rod 4, the lower end of the guide kit 5 has a lower sealing ring 52, the lower sealing ring 52 is in contact with the cylinder body 2;

[0025] The guide kit 5 is sealed and protected at both ends by the upper sealing ring 51 and the lower sealing ring 52. The guide kit 5 is aligned and inserted by the positioning rod 32 and the positioning groove 55. The fixing hole 53 and the embedded hole 33 are screwed and fixed by the fixing bolt 54. Thus, the guide kit 5 can be positioned and installed. The operation is simple and convenient and the installation is highly stable. It effectively prevents the guide sleeve from loosening during use. There is no need to install multiple sets of bolts or apply glue for fixing, which facilitates later inspection and maintenance and improves the practicality of the device.

[0026] Preferably, the protective component 6 includes a hinge seat 61, two sets of which are symmetrically fixed on the cylinder head 3. A rotating shaft 62 is provided on the inner side of the hinge seat 61, and a first cover plate 63 and a second cover plate 64 are respectively fixedly connected to the rotating shaft 62 on both sides. The first cover plate 63 and the second cover plate 64 are both configured as arc-shaped structures and a lower pressure plate 65 is installed at the lower end. Arc-shaped holes 66 are correspondingly opened on the inner side of the first cover plate 63 and the second cover plate 64. A mounting bolt 67 is inserted into the inner side of the arc-shaped hole 66 and the lower end of the mounting bolt 67 is screwed to the mounting hole 34. An elastic washer 68 is sleeved on the upper end of the mounting bolt 67 and the elastic washer 68 abuts against the upper end of the arc-shaped holes 66 on both sides.

[0027] The first cover plate 63 and the second cover plate 64 are flipped by rotating shaft 62. The two sets of arc-shaped holes 66 are symmetrically fitted by the first cover plate 63 and the second cover plate 64. The two sets of cover plates are fastened and limited by mounting bolts 67 and elastic gaskets 68. This can achieve the top cover protection of the guide sleeve, prevent dust and dirt from entering the guide sleeve and causing wear, and further limit and fix the guide sleeve to ensure its stability in use and improve the reliability of the device.

[0028] The working principle and process of this utility model are as follows: First, the guide kit 5 is aligned and installed in the center groove 31 through the positioning groove 55 and the positioning rod 32. The fixing bolt 54 is screwed and fixed through the fixing hole 53 and the embedded hole 33. At this time, the installation of the guide kit 5 is completed, which can prevent the guide kit 5 from rotating and prevent it from moving up and down, effectively improving the working stability of the hydraulic cylinder. Then, the first cover plate 63 and the second cover plate 64 are flipped by the rotating shaft 62. When the first cover plate 63 and the second cover plate 64 are passed, the two sets of arc holes 66 are symmetrically attached. The two sets of cover plates are tightened and limited by the mounting bolt 67 and the elastic washer 68. The guide sleeve is further limited, fixed and covered for protection.

[0029] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0030] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

Claims

1. A cylinder guide bushing anti-loosening device, characterized in that: The utility model provides an oil cylinder device, including device body (1), the device body (1) contains oil cylinder barrel (2), guide sleeve (5) and protection assembly (6), the oil cylinder barrel (2) upper end is fixed with oil cylinder cover (3), the oil cylinder barrel (2) and oil cylinder cover (3) center are provided with piston rod (4), the oil cylinder cover (3) center is provided with central groove (31) and is provided with four groups of inlay hole (33) around, the oil cylinder cover (3) upper end is provided with two groups of mounting hole (34), the guide sleeve (5) is inserted in the central groove (31) correspondingly, the guide sleeve (5) side is provided with fixed hole (53), the fixed hole (53) is connected with inlay hole (33) with fixed bolt (54), the protection assembly (6) is installed on the oil cylinder cover (3) upper end.

2. The cylinder guide bushing anti-loosening device of claim 1, wherein: The guide sleeve (5) lower end side wall is provided with positioning groove (55), the central groove (31) inner wall is provided with positioning rod (32), the guide sleeve (5) is inserted on the positioning rod (32) correspondingly through positioning groove (55).

3. The cylinder guide bushing anti-loose device according to claim 2, characterized in that: The guide sleeve (5) upper end is provided with upper sealing ring (51), the upper sealing ring (51) is attached to the piston rod (4), the guide sleeve (5) lower end is provided with lower sealing ring (52), and the lower sealing ring (52) is attached in the oil cylinder barrel (2).

4. The cylinder guide bushing anti-loose device of claim 1, wherein: The protection assembly (6) includes a hinged seat (61), which is provided with two groups and symmetrically fixed on the oil cylinder cover (3), the hinged seat (61) is provided with a rotating shaft (62) on the inner side, and the rotating shaft (62) on both sides is respectively fixedly connected with a first cover plate (63) and a second cover plate (64).

5. The cylinder guide bushing anti-loose device according to claim 4, characterized in that: The first cover plate (63) and the second cover plate (64) are both provided as arc-shaped structures and are provided with a lower pressing plate (65) at the lower end, the inner side of the first cover plate (63) and the second cover plate (64) is provided with an arc-shaped hole (66) correspondingly, the arc-shaped hole (66) is inserted with a mounting bolt (67), and the lower end of the mounting bolt (67) is screwed with the mounting hole (34).

6. The cylinder guide bushing anti-loose device of claim 5, wherein: The upper end of the mounting bolt (67) is provided with an elastic gasket (68), and the elastic gasket (68) abuts on the upper end of the arc-shaped hole (66) on both sides.

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