Hydraulic cylinder with piston self-locking mechanism

By designing self -locking mechanisms and other structural components in the hydraulic cylinder, the existing hydraulic cylinder cannot realize the problem of piston self -locking and improve safety, and the piston self -locking and use safety of the hydraulic cylinder is realized.

CN222415474UActive Publication Date: 2025-01-28SUZHOU XUANDI HYDRAULIC TECH CO LTD
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Patent Information

Application Number
CN202420414676.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-05
Publication Date
2025-01-28
Estimated Expiration
2034-03-05

AI Technical Summary

Technical Problem

The existing hydraulic cylinders cannot realize the piston self-locking function during use, resulting in the inability to improve safety during use.

Method used

A hydraulic cylinder with a self -locking mechanism is designed. The agency includes connectors, activity locks, fixed holes, support rods, and lock rods. Through the use of these components The combination of support plates, limited caps, partition rods and fixed caps to improve the safety of the hydraulic cylinder.

Benefits of technology

The piston self -locking function of the hydraulic cylinder is realized, the safety during use, and the flexibility of the use of the hydraulic cylinder.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hydraulic cylinder with a piston self-locking mechanism, which relates to the technical field of hydraulic cylinders and comprises a base and a self-locking mechanism, a support plate is mounted at one end of the base, a hydraulic cylinder is mounted at the upper end of the support plate, a limit cover is mounted at the upper end of the hydraulic cylinder, and partition rods are mounted at four corners of the limit cover. Through the hydraulic cylinder and the self-locking mechanism, when the hydraulic cylinder is operated and used, the hydraulic cylinder can be connected and used in different directions through the movable lock catch which is movably connected, and when the hydraulic cylinder is not used, the hydraulic cylinder can be connected with the fixing hole through the installed locking rod, so that the movable lock catch is fixed, and locking operation is facilitated; through the arranged base, the supporting plate, the limiting cover, the partition rod and the fixing cover, the hydraulic cylinder can be placed through the base and the limiting cover installed in the device, meanwhile, the installed partition rod can shield the whole hydraulic cylinder, and the use safety is improved when the device is used.
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Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic cylinders, in particular to a hydraulic cylinder with a piston self-locking mechanism. Background Art

[0002] The hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion. It has a simple structure and reliable operation. When it is used to achieve reciprocating motion, the deceleration device can be eliminated, and there is no transmission gap and the movement is smooth. 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. The hydraulic cylinder is basically composed of a cylinder barrel and a cylinder head, a piston and a piston rod, a sealing device, a buffer device and an exhaust device. When the hydraulic cylinder is used, the hydraulic cylinder piston needs to be self-locked according to the usage situation. Therefore, a hydraulic cylinder with a piston self-locking mechanism is required.

[0003] The existing hydraulic cylinder cannot perform the piston self-locking function when operating the hydraulic cylinder, and the safety of use cannot be improved. Therefore, a hydraulic cylinder with a piston self-locking mechanism is urgently needed. Utility Model Content

[0004] Based on this, the purpose of the utility model is to provide a hydraulic cylinder with a piston self-locking mechanism to solve the problem that the existing hydraulic cylinder cannot perform the piston self-locking function when in use and cannot improve the safety during use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydraulic cylinder with a piston self-locking mechanism, comprising a base and a self-locking mechanism, a support plate is installed at one end of the base, a hydraulic cylinder is installed at the upper end of the support plate, a limit cover is installed at the upper end of the hydraulic cylinder, partition rods are installed at the four corners of the limit cover, fixed covers are installed at the upper and lower ends of the partition rod, a self-locking mechanism is installed at the upper end of the hydraulic cylinder, the self-locking mechanism comprises a connecting head, a movable locking buckle, a fixing hole, a support rod and a locking rod, the connecting head is installed at the upper end of the hydraulic cylinder, a movable locking buckle is installed inside the connecting head, fixing holes are opened at the left and right ends of the movable locking buckle, support rods are installed at the left and right ends of the connecting head, and a locking rod is installed at one end of the support rod.

[0006] Preferably, the base is threadedly connected to the support plate, and the base and the support plate fit tightly.

[0007] Preferably, the limiting cover is distributed in parallel with the base, and the limiting cover and the base are of the same size.

[0008] Preferably, the partition rod is connected with the limiting cover through-hole, and the partition rod is connected with the fixing cover by threads.

[0009] Preferably, the locking rod is snap-connected with the movable lock buckle through a fixing hole, and the movable lock buckle is movably connected with the connecting head.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. The utility model is provided with a hydraulic cylinder and a self-locking mechanism, so that when the hydraulic cylinder is in operation, the movable lock buckle can be connected in different directions through the movable connection. When not in use, the movable lock buckle can be fixed by connecting the installed locking rod with the fixing hole, so as to facilitate the locking operation;

[0012] 2. The utility model provides a base, a support plate, a limit cover, a partition rod and a fixed cover, and the hydraulic cylinder can be placed through the base and the limit cover installed in the device. At the same time, the installed partition rod can shield the entire hydraulic cylinder, thereby improving the safety of use of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a front view structural schematic diagram of the utility model;

[0014] Figure 2 It is a schematic diagram of the structure of the base of the utility model when viewed from above;

[0015] Figure 3 It is a structural schematic diagram of the base, the limit cover and the partition rod of the utility model;

[0016] Figure 4 It is a structural schematic diagram of the self-locking mechanism of the utility model.

[0017] In the figure: 1. base; 2. support plate; 3. hydraulic cylinder; 4. limit cover; 5. partition rod; 6. fixed cover; 7. self-locking mechanism; 701. connector; 702. movable lock; 703. fixing hole; 704. support rod; 705. locking rod. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0019] The following describes an embodiment of the utility model based on its overall structure.

[0020] See also Figure 1-4A hydraulic cylinder with a piston self-locking mechanism comprises a base 1 and a self-locking mechanism 7. A support plate 2 is installed at one end of the base 1, a hydraulic cylinder 3 is installed at the upper end of the support plate 2, a limit cover 4 is installed at the upper end of the hydraulic cylinder 3, partition rods 5 are installed at the four corners of the limit cover 4, and fixed covers 6 are installed at the upper and lower ends of the partition rod 5. A self-locking mechanism 7 is installed at the upper end of the hydraulic cylinder 3. The self-locking mechanism 7 comprises a connecting head 701, an active locking buckle 702, a fixing hole 703, a support rod 704 and a locking rod 705. The connecting head 701 is installed at the upper end of the hydraulic cylinder 3, and an active locking buckle 702 is installed inside the connecting head 701. The active locking buckle 702 has fixing holes 703 at both ends, and support rods 704 are installed at both ends of the connecting head 701. A locking rod 705 is installed at one end of the support rod 704. The active locking buckle 702 packaged in the device can be fixed by the installed locking rod 705 when the hydraulic cylinder is in use, which can play a locking role.

[0021] Working principle: When in use, the hydraulic cylinder 3 can be placed on the upper end of the base 1 in the device, and the limit cover 4 can be placed on the upper end of the hydraulic cylinder 3 after placement. After placement, the partition rod 5 can be passed through the base 1 and the limit cover 4 and fixed by the installed fixing cover 6. After fixing, the installed hydraulic cylinder 3 can be fixed, which can maintain stability during use and improve safety during use. Secondly, the active lock buckle 702 installed in the device can be rotated in different directions to improve the flexibility of use of the hydraulic cylinder 3, and the active lock buckle 702 installed in the device can be fixed by the installed locking rod 705 when the hydraulic cylinder is in use. The locking rod 705 installed in the device is connected through the inside of the support rod 704 and fixed with the fixing hole 703 opened in the device, which can play a locking role. The use process of the device is completed. The content not described in detail in this specification belongs to the existing technology known to professional and technical personnel in this field.

[0022] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.

[0023] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A hydraulic cylinder with a piston self-locking mechanism, comprising a base (1) and a self-locking mechanism (7), characterized in that: A support plate (2) is mounted on one end of the base (1), a hydraulic cylinder (3) is mounted on the upper end of the support plate (2), a limit cover (4) is mounted on the upper end of the hydraulic cylinder (3), a partition rod (5) is mounted at the four corners of the limit cover (4), a fixing cover (6) is mounted at the upper and lower ends of the partition rod (5), a self-locking mechanism (7) is mounted on the upper end of the hydraulic cylinder (3), the self-locking mechanism (7) comprises a connecting head (701), a movable locking buckle (702), a fixing hole (703), a support rod (704) and a locking rod (705), the connecting head (701) is mounted on the upper end of the hydraulic cylinder (3), a movable locking buckle (702) is mounted inside the connecting head (701), the movable locking buckle (702) is provided with fixing holes (703) at the left and right ends of the movable locking buckle (702), support rods (704) are mounted at the left and right ends of the connecting head (701), and a locking rod (705) is mounted at one end of the support rod (704).

2. A hydraulic cylinder with a piston self-locking mechanism according to claim 1, characterized in that: The base (1) is threadedly connected to the support plate (2), and the base (1) and the support plate (2) are tightly fitted.

3. A hydraulic cylinder with a piston self-locking mechanism according to claim 1, characterized in that: The limiting cover (4) is distributed in parallel with the base (1), and the limiting cover (4) and the base (1) are of the same size.

4. A hydraulic cylinder with a piston self-locking mechanism according to claim 1, characterized in that: The partition rod (5) is connected to the limiting cover (4) through a through hole, and the partition rod (5) is connected to the fixing cover (6) by threading.

5. The hydraulic cylinder with a piston self-locking mechanism according to claim 1, characterized in that: The locking rod (705) is snap-connected with the movable lock buckle (702) through the fixing hole (703), and the movable lock buckle (702) is movably connected with the connecting head (701).