Hydraulic oil cylinder for three-dimensional parking garage

Abstract

The utility model discloses a hydraulic oil cylinder, belongs to the technical field of hydraulic oil cylinder equipment, and particularly relates to a hydraulic oil cylinder for a three-dimensional parking garage, which comprises a cylinder body, a front cover, a piston rod, a clamping key, a piston and a screw plug, the hydraulic oil cylinder is mainly used for supporting a three-dimensional parking garage, the piston is matched with the piston rod and moves in the cylinder body with hydraulic oil as a medium, so that lifting work of external equipment is achieved, meanwhile, the screw plug and the clamping key are arranged between the piston and the piston rod, and therefore stability and sealing performance of the piston and the piston rod are enhanced. Therefore, the service life of the hydraulic oil cylinder is prolonged, and the safety of the hydraulic oil cylinder is improved.

Description

Technical Field

[0001] The utility model discloses a hydraulic cylinder, belonging to the technical field of hydraulic cylinder equipment, and specifically relates to a hydraulic cylinder for a stereo parking garage. Background Art

[0002] A stereo parking garage is a facility that utilizes three-dimensional space for vehicle parking. Its main functions include improving land utilization rate, alleviating the problem of difficult urban parking, enhancing parking efficiency, and providing safe and convenient parking services. By making full use of vertical or inclined space, a stereo parking garage can park more vehicles within the same area, thus greatly saving land resources and increasing land utilization rate. This facility is particularly suitable for urban central areas or places with large parking demands, and can effectively alleviate the problem of difficult urban parking.

[0003] In the existing stereo parking garage lifting systems, most adopt servo motors or cylinders for driving. However, servo motors have relatively high costs. The components of servo motors are expensive, so the overall cost is higher than that of ordinary motors, and they have certain requirements for the environment. Although servo motors have strong adaptability, they are not suitable for extreme environments. Environments such as high temperature and humidity may affect their performance. Cylinders, on the other hand, have problems of weak load-bearing capacity and low accuracy. Summary of the Utility Model

[0004] Purpose of the utility model: To provide a hydraulic cylinder for a stereo parking garage to solve the above-mentioned problems.

[0005] Technical solution: A hydraulic cylinder for a stereo parking garage, the hydraulic cylinder includes: a cylinder body, a front cover, a piston rod, a key, a piston, and a plug.

[0006] The front cover is fixedly connected to the front end of the cylinder body. The piston is slidably installed in the cylinder body to move within the cylinder body. One end of the piston rod is fixedly connected to the piston through the key. The other end of the piston rod passes through the front cover and extends to the outside, and the piston rod drives the piston to move within the cylinder body. The plug is fixedly connected to the piston by screws to prevent hydraulic oil from entering the piston.

[0007] In a further embodiment, a rear cover is fixedly connected to the rear end of the cylinder body, and a connecting block is provided on the rear cover for connection with external equipment.

[0008] In a further embodiment, an installation groove is provided in the piston. One end of the piston rod is located in the installation groove, and a snap ring is provided between the plug and the piston.

[0009] In a further embodiment, a first sealing ring and a support ring are provided inside the piston and the cylinder block, and a first O-ring is provided between the piston rod and the piston.

[0010] In a further embodiment, the piston rod is connected to the front cover through a lubricating bearing, and a second sealing ring and a dust-proof ring are provided between the piston rod and the front cover.

[0011] In a further embodiment, a second O-ring and a third O-ring are provided between the cylinder block and the front cover.

[0012] In a further embodiment, a nut is provided at the other end of the piston rod, and the nut limits the moving distance of the piston rod.

[0013] Beneficial effects: The hydraulic cylinder of the present utility model is mainly used for the supporting function of a three-dimensional parking garage. The piston cooperates with the piston rod and moves in the cylinder block with hydraulic oil as the medium, so as to realize the lifting of external equipment. At the same time, a plug and a key are provided between the piston and the piston rod, thereby enhancing the stability and sealing performance of the piston and the piston rod, preventing the infiltration of hydraulic oil, and improving the service life and safety of the hydraulic cylinder. Description of the Drawings

[0014] Figure 1 is a sectional view of the present utility model.

[0015] Figure 2 is a front view of the present utility model.

[0016] Reference numerals: cylinder block 1, front cover 2, piston rod 3, key 4, piston 5, plug 6, rear cover 7, snap ring 8, first sealing ring 9, support ring 10, first O-ring 11, lubricating bearing 12, second sealing ring 13, dust-proof ring 14, second O-ring 15, third O-ring 16, nut 17. Detailed Embodiments

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0018] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation to the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0019] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", "connection" should be understood in a broad sense. For example, it 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations. In addition, the technical features involved in different embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0020] A hydraulic cylinder for a three-dimensional parking garage, comprising: a cylinder block 1, a front cover 2, a piston rod 3, a key 4, a piston 5 and a plug 6;

[0021] In one embodiment, as Figures 1 to 2 shown, the front cover 2 is fixedly connected to the front end of the cylinder block 1, the piston 5 is slidably installed in the cylinder block 1 to move therein, one end of the piston rod 3 is fixedly connected to the piston 5 through the key 4, the other end of the piston rod 3 extends through the front cover 2 to the outside and the piston rod 3 drives the piston 5 to move in the cylinder block 1, and the plug 6 is fixedly connected to the piston 5 by screws to prevent hydraulic oil from entering the piston 5.

[0022] In one embodiment, as Figures 1 to 2 shown, a rear cover 7 is fixedly connected to the rear end of the cylinder block 1, and a connecting block is provided on the rear cover 7 for connection with external equipment.

[0023] In one embodiment, as Figures 1 to 2 shown, an installation groove is provided in the piston 5, one end of the piston rod 3 is located in the installation groove, and a snap ring 8 is provided between the plug 6 and the piston 5.

[0024] In one embodiment, as Figures 1 to 2As shown, a first sealing ring 9 and a support ring 10 are provided inside the piston 5 and the cylinder block 1, and a first O-ring 11 is provided between the piston rod 3 and the piston 5.

[0025] In one embodiment, as Figures 1 to 2 shown, the piston rod 3 and the front cover 2 are connected by a lubricating bearing 12, and a second sealing ring 13 and a dust ring 14 are provided between the piston rod 3 and the front cover 2.

[0026] In one embodiment, as Figures 1 to 2 shown, a second O-ring 15 and a third O-ring 16 are provided between the cylinder block 1 and the front cover 2.

[0027] In one embodiment, as Figures 1 to 2 shown, a nut 17 is provided at the other end of the piston rod 3, and the nut 17 limits the moving distance of the piston rod 3.

[0028] Working principle: When the present utility model works, hydraulic pressure is installed in the working area, the rear cover 7 is fixed at a certain position, and the piston rod 3 is connected to the equipment that needs to work through the nut 17. Thus, with hydraulic oil as the medium, the piston 5 drives the piston rod 3 to move inside the cylinder block 1, so as to realize the support and movement of external equipment. At the same time, a plug 6 and a key 4 are provided between the piston 5 and the piston rod 3, thereby enhancing the stability and sealing performance between the piston 5 and the piston rod 3, preventing the infiltration of hydraulic oil, and improving the service life and safety of the hydraulic cylinder.

[0029] Obviously, the above embodiments are only examples given for clear illustration, and are not limitations on the implementation manners. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation manners here. And the obvious changes or modifications derived therefrom still fall within the protection scope of the present utility model.

Claims

1. A hydraulic cylinder for a three-dimensional parking garage, characterized in that, The hydraulic cylinder includes: a cylinder block, a front cover, a piston rod, a key, a piston, and a plug; The front cover is fixedly connected to the front end of the cylinder block. The piston is slidably installed in the cylinder block to move therein. One end of the piston rod is fixedly connected to the piston through the key. The other end of the piston rod extends through the front cover to the outside, and the piston rod drives the piston to move in the cylinder block. The plug is fixedly connected to the piston by screws to prevent hydraulic oil from entering the piston.

2. The hydraulic cylinder for a three-dimensional parking garage according to claim 1, characterized in that, A rear cover is fixedly connected to the rear end of the cylinder block, and a connecting block is provided on the rear cover for connection with an external device.

3. The hydraulic cylinder for a three-dimensional parking garage according to claim 1, characterized in that, An installation groove is provided in the piston, one end of the piston rod is located in the installation groove, and a circlip is provided between the plug and the piston.

4. The hydraulic cylinder for a three-dimensional parking garage according to claim 1, characterized in that A first sealing ring and a support ring are provided inside the piston and the cylinder block, and a first O-ring is provided between the piston rod and the piston.

5. The hydraulic cylinder for a three-dimensional parking garage according to claim 1, wherein The piston rod is connected to the front cover through a lubricating bearing, and a second sealing ring and a dust-proof ring are provided between the piston rod and the front cover.

6. The hydraulic cylinder for a three-dimensional parking garage according to claim 1, wherein A second O-ring and a third O-ring are provided between the cylinder block and the front cover.

7. The hydraulic cylinder for a three-dimensional parking garage according to claim 1, characterized in that, A nut is provided at the other end of the piston rod, and the nut limits the moving distance of the piston rod.

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