A telescopic rotary combined oil cylinder for opening and closing a door

Abstract

The utility model discloses a telescopic rotary combined oil cylinder for switching compartment door, including right angle board, the upper surface fixed connection of right angle board has the oil cylinder body, the outer surface fixed communication of oil cylinder body has the oil discharge connection, the outer surface fixed communication of oil cylinder body has the oil inlet connection. The device introduces the hydraulic oil into the oil cylinder body through the oil inlet connection, and the pressure of hydraulic oil promotes the sealing disc and the adjusting rod to stretch along its axial direction, realizes the quick opening of compartment door, when closing compartment door, the hydraulic oil is discharged through the oil discharge connection, and the sealing disc and the adjusting rod are retracted, and the operation is simple and efficient, when needing to rotate, through the rotation of the gear tooth adjustment cover, the adjusting rod can rotate, and through the bearing, realize the flexible rotation action, satisfy the switching door demand under different scenes, simultaneously, through the cooperation of wear -resisting cover and rubber ring, reduced the friction and ensured the leakproofness, effectively prolonged the service life of oil cylinder body.

Description

Technical Field

[0001] This utility model relates to the field of van technology, and in particular to a telescopic rotary combination hydraulic cylinder for opening and closing van doors. Background Technology

[0002] A van is a vehicle with an independent, enclosed cargo compartment or an integral, enclosed cargo compartment integrated with the driver's cab. Vans are vehicles equipped with specialized facilities and used for transporting personnel and goods, undertaking specialized operations, and serving as special vehicles and vehicle trains. The cargo compartment is typically a fully enclosed structure. Depending on the needs, the cargo compartment is generally equipped with a rear door or side door. The cargo compartment is equipped with ventilation, lighting, and signal communication facilities. The cargo compartment also has good functions such as rain protection, sun protection, dust protection, and theft prevention.

[0003] In many mechanical fields, especially in large vans, the opening and closing of the van door is a crucial step. However, existing door opening and closing cylinders are prone to jamming during use and have limited flexibility, failing to meet user needs. To address these issues, we propose a telescopic rotary combination cylinder for opening and closing van doors. Utility Model Content

[0004] The purpose of this invention is to provide a telescopic rotary combination hydraulic cylinder for opening and closing doors, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A telescopic rotary combination hydraulic cylinder for opening and closing a car door includes a right-angle plate. A cylinder body is fixedly connected to the upper surface of the right-angle plate. An oil drain connector and an oil inlet connector are fixedly connected to the outer surface of the cylinder body. A sealing sleeve is fixedly connected to the top of the cylinder body. An adjusting rod is slidably connected inside the sealing sleeve. A toothed adjusting sleeve is fixedly connected to the outer surface of the adjusting rod. A positioning disc is fixedly connected to the inner wall of the cylinder body. A wear-resistant sleeve is fixedly connected to the upper surface of the positioning disc. An adjusting plate is fixedly connected to the outer surface of the adjusting rod. A sealing disc is provided inside the cylinder body. A bearing is fixedly embedded in the upper surface of the sealing disc, and the outer surface of the sealing disc contacts the inner wall of the cylinder body. The bottom end of the adjusting rod passes through the wear-resistant sleeve and is rotatably connected to the inner ring of the bearing.

[0007] In a further embodiment, two protective plates are fixedly connected to the upper surface of the right-angle plate, and the back of each protective plate is fixedly connected to the front of the right-angle plate.

[0008] In a further embodiment, two perforated mounting plates are fixedly connected to both the left and right ends of the right-angle plate, and a stabilizing plate is fixedly connected to one side of each set of perforated mounting plates that are close to each other. The two stabilizing plates are respectively fixedly connected to the left and right ends of the right-angle plate on their respective sides.

[0009] In a further embodiment, a reinforcing recess is fixedly connected to the upper surface of the right-angle plate, the inner wall of the reinforcing recess is fixedly connected to the outer surface of the cylinder body, and the back side of the reinforcing recess is fixedly connected to the front side of the right-angle plate.

[0010] In a further embodiment, a rubber ring is fixedly connected to the bottom surface of the sealing disc, and the outer surface of the rubber ring is in contact with the inner wall of the cylinder body.

[0011] In a further embodiment, the inner sidewall of the cylinder body is provided with annularly arranged guide grooves, and a guide block is slidably connected inside each guide groove. The sides of the two sets of guide blocks that are close to each other are fixedly connected to the outer surface of the adjusting plate.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] This device introduces hydraulic oil into the cylinder body through the oil inlet connector. The pressure of the hydraulic oil pushes the sealing disc and adjusting rod to extend along their axial direction, enabling the door to open quickly. When closing the door, the hydraulic oil is discharged through the oil drain connector, and the sealing disc and adjusting rod retract accordingly. The operation is simple and efficient. When rotation is required, the adjusting rod can be rotated by turning the toothed adjusting sleeve, and the bearing enables flexible rotation, meeting the door opening and closing needs in different scenarios. At the same time, the wear-resistant sleeve and rubber ring reduce friction and ensure sealing, effectively extending the service life of the cylinder body. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the cylinder body of a telescopic rotary combination hydraulic cylinder used for opening and closing the car door.

[0015] Figure 2 This is a top view of the positioning plate in a telescopic and rotary combination hydraulic cylinder used for opening and closing the car door.

[0016] Figure 3 This is a side sectional view of the cylinder body in a telescopic rotary combination hydraulic cylinder used for opening and closing the car door.

[0017] Figure 4 This is a top-section schematic diagram of the cylinder body in a telescopic rotary combination hydraulic cylinder used for opening and closing the car door.

[0018] In the diagram: 1. Right-angle plate; 2. Cylinder body; 3. Oil drain connector; 4. Oil inlet connector; 5. Protective plate; 6. Mounting plate with holes; 7. Stabilizing plate; 8. Reinforcing recess; 9. Sealing sleeve; 10. Adjusting rod; 11. Tooth adjustment sleeve; 12. Positioning plate; 13. Wear-resistant sleeve; 14. Adjusting plate; 15. Sealing plate; 16. Rubber ring; 17. Bearing; 18. Guide groove; 19. Guide block. Detailed Implementation

[0019] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, 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, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0020] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[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] Please see Figure 1-4In this utility model, a telescopic rotary combination hydraulic cylinder for opening and closing a car door includes a right-angle plate 1. A cylinder body 2 is fixedly connected to the upper surface of the right-angle plate 1. An oil drain connector 3 and an oil inlet connector 4 are fixedly connected to the outer surface of the cylinder body 2. A sealing sleeve 9 is fixedly connected to the top of the cylinder body 2. An adjusting rod 10 is slidably connected inside the sealing sleeve 9. A toothed adjusting sleeve 11 is fixedly connected to the outer surface of the adjusting rod 10. A positioning plate 12 is fixedly connected to the inner wall of the cylinder body 2. A wear-resistant sleeve 13 is fixedly connected to the upper surface of the positioning plate 12. An adjusting plate 14 is fixedly connected to the outer surface of the adjusting rod 10. A sealing plate 15 is provided inside the cylinder body 2. A bearing 17 is fixedly embedded in the upper surface of the sealing plate 15. The surface of the adjusting rod 10 contacts the inner wall of the cylinder body 2. The bottom end of the adjusting rod 10 passes through the wear-resistant sleeve 13 and is rotatably connected to the inner ring of the bearing 17. Hydraulic oil is introduced into the cylinder body 2 through the oil inlet connector 4. The pressure of the hydraulic oil pushes the sealing disc 15 and the adjusting rod 10 to extend along their axial direction, realizing the rapid opening of the door. When the door is closed, the hydraulic oil is discharged through the oil drain connector 3, and the sealing disc 15 and the adjusting rod 10 retract accordingly. The operation is simple and efficient. When rotation is required, the adjusting rod 10 can be rotated by rotating the toothed adjusting sleeve 11, and the flexible rotation action is realized through the bearing 17 to meet the opening and closing needs of different scenarios. At the same time, the cooperation between the wear-resistant sleeve 13 and the rubber ring 16 reduces friction and ensures sealing, effectively extending the service life of the cylinder body 2.

[0023] Two protective plates 5 are fixedly connected to the upper surface of the right-angle plate 1. The back of each protective plate 5 is fixedly connected to the front of the right-angle plate 1. The protective plates 5 are used to protect the cylinder body 2. Two perforated mounting plates 6 are fixedly connected to both the left and right ends of the right-angle plate 1. Stabilizing plates 7 are fixedly connected to the sides of the two sets of perforated mounting plates 6 that are close to each other. The sides of the two stabilizing plates 7 that are close to each other are fixedly connected to the left and right ends of the right-angle plate 1, respectively. The stabilizing plates 7 and the perforated mounting plates 6 can be fixed together to fix the perforated mounting plates 6, which increases the stability of the right-angle plate 1. A reinforcing recess 8 is fixedly connected to the upper surface of the right-angle plate 1. The inner wall of the reinforcing recess 8 is fixedly connected to the outer surface of the cylinder body 2. The back of the reinforcing recess 8 is fixedly connected to the front of the right-angle plate 1. The reinforcing recess 8 can be used to reinforce the cylinder body 2.

[0024] A rubber ring 16 is fixedly connected to the bottom surface of the sealing disc 15. The outer surface of the rubber ring 16 contacts the inner wall of the cylinder body 2. The rubber ring 16 facilitates the sealing of the gap between the sealing disc 15 and the cylinder body 2, preventing oil leakage. The inner wall of the cylinder body 2 is provided with annularly arranged guide grooves 18. Each guide groove 18 is slidably connected to a guide block 19. The sides of the two sets of guide blocks 19 that are close to each other are fixedly connected to the outer surface of the adjusting plate 14. Through the cooperation of the guide grooves 18 and the guide blocks 19, the adjusting rod 10 can be positioned.

[0025] The working principle of this utility model is as follows:

[0026] In use, hydraulic oil is first introduced into the cylinder body 2 through the oil inlet connector 4. The pressure of the hydraulic oil pushes the sealing disc 15 and the adjusting rod 10 to extend along their axial direction, realizing the opening action of the door. When it is necessary to close the door, the hydraulic oil is discharged through the oil drain connector 3, and the sealing disc 15 and the adjusting rod 10 will move downward as the hydraulic oil is discharged. When rotation is required, the adjusting rod 10 can be rotated by rotating the toothed adjusting sleeve 11, and the bearing 17 at its bottom end can meet the opening and closing requirements of different scenarios. At the same time, the wear-resistant sleeve 13 and the rubber ring 16 are used to reduce friction and ensure sealing, ensuring the stability of the cylinder during long-term use.

[0027] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0028] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A telescopic rotary combination hydraulic cylinder for opening and closing a car door, characterized in that: Includes a right-angle plate (1), the upper surface of which is fixedly connected to a cylinder body (2), the outer surface of which is fixedly connected to an oil drain connector (3), the outer surface of which is fixedly connected to an oil inlet connector (4), the top of which is fixedly connected to a sealing sleeve (9), the inside of which is slidably connected to an adjusting rod (10), the outer surface of which is fixedly connected to a toothed adjusting sleeve (11), and the inner wall of which is... A positioning disc (12) is fixedly connected, and a wear-resistant sleeve (13) is fixedly connected to the upper surface of the positioning disc (12). An adjusting plate (14) is fixedly connected to the outer surface of the adjusting rod (10). A sealing disc (15) is provided inside the cylinder body (2). A bearing (17) is fixedly embedded on the upper surface of the sealing disc (15), and the outer surface of the sealing disc (15) is in contact with the inner wall of the cylinder body (2). The bottom end of the adjusting rod (10) passes through the wear-resistant sleeve (13) and is rotatably connected to the inner ring of the bearing (17).

2. The telescopic rotary combination hydraulic cylinder for opening and closing a car door according to claim 1, characterized in that: Two protective plates (5) are fixedly connected to the upper surface of the right-angle plate (1), and the back of each protective plate (5) is fixedly connected to the front of the right-angle plate (1).

3. A telescopic rotary combination hydraulic cylinder for opening and closing a car door according to claim 1, characterized in that: Two perforated mounting plates (6) are fixedly connected to both the left and right ends of the right-angle plate (1). Stabilizing plates (7) are fixedly connected to the side of the two sets of perforated mounting plates (6) that are close to each other. The side of the two stabilizing plates (7) that are close to each other are fixedly connected to the left and right ends of the right-angle plate (1) respectively.

4. A telescopic rotary combination hydraulic cylinder for opening and closing a car door according to claim 1, characterized in that: The upper surface of the right-angle plate (1) is fixedly connected to a reinforcing recess (8), the inner wall of the reinforcing recess (8) is fixedly connected to the outer surface of the cylinder body (2), and the back of the reinforcing recess (8) is fixedly connected to the front of the right-angle plate (1).

5. A telescopic rotary combination hydraulic cylinder for opening and closing a car door according to claim 1, characterized in that: A rubber ring (16) is fixedly connected to the bottom surface of the sealing disc (15), and the outer surface of the rubber ring (16) is in contact with the inner wall of the cylinder body (2).

6. A telescopic rotary combination hydraulic cylinder for opening and closing a car door according to claim 1, characterized in that: The inner wall of the cylinder body (2) is provided with annularly arranged guide grooves (18), and each guide groove (18) is slidably connected to a guide block (19). The sides of the two sets of guide blocks (19) that are close to each other are fixedly connected to the outer surface of the adjusting plate (14).

Images