Dustproof hydraulic cylinder
By installing a socket and dustproof net inside the dustproof frame of the hydraulic cylinder, and using structures such as adapter and replacement components and arc-shaped slides, the problem of inconvenient assembly of the hydraulic cylinder dustproof components is solved, and the effect of rapid assembly and stable use is achieved.
Patent Information
- Application Number
- CN202421533713.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-01
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-07-01
AI Technical Summary
During the maintenance and replacement of hydraulic cylinders, the dustproof assembly is assembled by multiple screws, which is inconvenient to open and close, making it difficult to assemble the dustproof structure of the hydraulic cylinder, which takes a lot of time.
A dust-proof hydraulic cylinder is designed to support the hydraulic cylinder body by fixing the installation socket inside the dust-proof frame, and a dust-proof net is fixedly installed inside the dust-proof frame to achieve dust-proof function. At the same time, by installing the bracket and adapter assembly components at the bottom of the dust rack, the opening and closing of the dust rack is realized, which facilitates the socket replacement of the hydraulic cylinder. In addition, the combination of curved slides and elastic sleeves is used to prevent the dust rack from falling off during use.
Through this design, the dust-proof structure assembly process of the hydraulic cylinder is significantly simplified, the assembly time is reduced, and the stability of the dust-proof rack in use is ensured, avoiding the problem of shedding.
Smart Images

Figure CN222772411U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hydraulic cylinders, in particular to a dustproof hydraulic cylinder. Background Art
[0002] The hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging 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.
[0003] According to the "A Dust-proof Hydraulic Cylinder" provided by the Chinese Patent Authorization Announcement No. CN220302455U, the hydraulic cylinder body drives the telescopic cylinder to move by providing a sleeve, a telescopic cylinder and a cover plate. During the movement, the slider is slidably connected to the inside of the slide groove to prevent dust from reaching the surface of the hydraulic cylinder body. At the same time, the sealing ring and the sealing groove are used in combination to improve the sealing performance of the connection between the cover plate and the telescopic cylinder, preventing dust from reaching the surface of the telescopic end of the hydraulic cylinder body, thereby realizing the dust-proof function;
[0004] However, when the hydraulic cylinder is overhauled and replaced, the dustproof assembly is assembled by multiple screws, which is not convenient to open and close, making it difficult to assemble the dustproof structure of the hydraulic cylinder, which takes a lot of time.
[0005] Therefore, a dustproof hydraulic cylinder is designed to solve the above problems. Utility Model Content
[0006] The utility model provides a dustproof hydraulic cylinder, which solves the technical problem that when the hydraulic cylinder is overhauled and replaced, the dustproof component is assembled by multiple screws, which is inconvenient to open and close, resulting in the dustproof structure of the hydraulic cylinder being difficult to assemble and requiring a lot of time to be assembled.
[0007] In order to solve the above technical problems, the utility model provides a dustproof hydraulic cylinder, including a hydraulic cylinder body, two dustproof frames are provided on the outside of the hydraulic cylinder body, dustproof nets are fixedly installed inside the two dustproof frames, a socket frame is fixedly installed on the inner wall of one of the dustproof frames, the hydraulic cylinder body is supported by the socket frame and the dustproof frame, brackets are fixedly installed on the bottom of the two dustproof frames, the two brackets are located in the same horizontal plane, a transfer and replacement assembly is provided between the two brackets, and a socket anti-detachment assembly is provided on the outside of the two dustproof frames.
[0008] Preferably, the insides of the two dustproof frames are provided with sleeve grooves, and the hydraulic cylinder body is sleeved with the dustproof frame through the sleeve grooves.
[0009] Preferably, the adapter and replacement assembly includes a flip frame, an adapter plate and a pivot rod, wherein the flip frame is fixedly installed on one side of one of the brackets, and the adapter plate is fixedly installed on one side of the other bracket, the adapter plate is rotatably sleeved with the flip frame, the interior of the adapter plate is fixedly sleeved with a pivot rod, and the adapter plate is rotatably sleeved with the flip frame via the pivot rod.
[0010] Preferably, two screws are provided inside the flip frame and inside the adapter plate, and the flip frame and the adapter plate are connected to the corresponding brackets through the two screws.
[0011] Preferably, the sleeve anti-slip assembly includes an arc-shaped slide plate, an elastic sleeve and a positioning frame, the outer walls of the two dustproof frames are fixedly installed with positioning frames, the outsides of the two dustproof frames are provided with arc-shaped slide plates, and the outsides of the two arc-shaped slide plates are fixedly sleeved with elastic sleeves.
[0012] Preferably, a stretching handle is fixedly mounted on one side of the two arc-shaped slides, the two stretching handles penetrate the elastic sleeve and extend to the outside of the elastic sleeve, and the two stretching handles are symmetrically distributed with the axis of the elastic sleeve as the center.
[0013] Compared with the related art, the dustproof hydraulic cylinder provided by the utility model has the following beneficial effects:
[0014] The utility model provides a dustproof hydraulic cylinder, wherein a sleeve frame is fixedly installed inside a dustproof frame, thereby supporting a hydraulic cylinder body, and dustproof nets are fixedly installed inside two dustproof frames, thereby preventing dust from reaching the hydraulic cylinder body, and a flip frame is fixedly installed on one side of one of the frames, so that an adapter plate on one side of the other frame is rotatably sleeved with the flip frame via a rotating shaft rod, thereby realizing the opening and closing of the two dustproof frames, so as to facilitate sleeve replacement of the hydraulic cylinder body;
[0015] By arranging arc-shaped slide plates outside the two dustproof frames and fixing an elastic sleeve belt between the two arc-shaped slide plates, the two dustproof frames are tightened to prevent the two dustproof frames from falling off during the use of the hydraulic cylinder body. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the structure of the utility model;
[0017] Figure 2 It is a schematic diagram of the structure of the utility model in cross section;
[0018] Figure 3 For this utility model Figure 1 The enlarged structural diagram at A in the middle;
[0019] Figure 4 For this utility model Figure 2 Schematic diagram of the enlarged structure at point B.
[0020] Numbers in the figure: 1. Hydraulic cylinder body; 2. Dustproof frame; 3. Bracket; 4. Dustproof net; 5. Socket groove; 6. Adapter and replacement assembly; 601. Flip frame; 602. Adapter plate; 603. Rotating shaft rod; 7. Socket frame; 8. Screw; 9. Socket anti-slip assembly; 901. Arc slide plate; 902. Elastic strap; 903. Positioning frame; 10. Stretching handle. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0022] Depend on Figure 1-4 The utility model provides a dustproof hydraulic cylinder, comprising a hydraulic cylinder body 1, two dustproof frames 2 are arranged on the outside of the hydraulic cylinder body 1, dustproof nets 4 are fixedly installed inside the two dustproof frames 2, a socket frame 7 is fixedly installed on the inner wall of one of the dustproof frames 2, the hydraulic cylinder body 1 is supported by the dustproof frame 2 through the socket frame 7, brackets 3 are fixedly installed on the bottom of the two dustproof frames 2, the two brackets 3 are located in the same horizontal plane, a switching assembly 6 is arranged between the two brackets 3, and a socket anti-detachment assembly 9 is arranged on the outside of the two dustproof frames 2.
[0023] See also Figure 1 The two dustproof frames 2 are both provided with sleeve grooves 5 , and the hydraulic cylinder body 1 is sleeved with the dustproof frames 2 through the sleeve grooves 5 , so that the hydraulic cylinder body 1 is sleeved inside the two dustproof frames 2 .
[0024] See also Figure 4 The adapter and replacement assembly 6 includes a flip frame 601, an adapter plate 602 and a rotating shaft rod 603. The flip frame 601 is fixedly installed on one side of one bracket 3, and the adapter plate 602 is fixedly installed on one side of the other bracket 3. The adapter plate 602 is rotatably sleeved with the flip frame 601, and the interior of the adapter plate 602 is fixedly sleeved with the rotating shaft rod 603. The adapter plate 602 is rotatably sleeved with the flip frame 601 through the rotating shaft rod 603. The two dustproof frames 2 are opened and closed to facilitate the sleeve replacement of the hydraulic cylinder body 1.
[0025] See also Figure 4Two screws 8 are provided inside the flip frame 601 and inside the adapter plate 602. The flip frame 601 and the adapter plate 602 are connected to the corresponding bracket 3 through the two screws 8, thereby connecting and fixing the flip frame 601 and the adapter plate 602.
[0026] See also Figure 3 The sleeve anti-drop assembly 9 includes an arc-shaped slide plate 901, an elastic sleeve belt 902 and a positioning frame 903. The outer walls of the two dustproof frames 2 are fixedly installed with positioning frames 903. The outsides of the two dustproof frames 2 are provided with arc-shaped slide plates 901. The outsides of the two arc-shaped slide plates 901 are fixedly sleeved with elastic sleeve belts 902, thereby preventing the two dustproof frames 2 from falling off when the hydraulic cylinder body 1 is in use.
[0027] See also Figure 3 A stretching handle 10 is fixedly installed on one side of the two curved slides 901. The two stretching handles 10 penetrate the elastic sleeve 902 and extend to the outside of the elastic sleeve 902. The two stretching handles 10 are symmetrically distributed around the axis of the elastic sleeve 902 to facilitate stretching of the curved slides 901.
[0028] Working principle: First, a sleeve frame 7 is fixedly installed inside the dustproof frame 2 to support the hydraulic cylinder body 1. Secondly, a dustproof net 4 is fixedly installed inside the two dustproof frames 2 to prevent dust from entering the hydraulic cylinder body 1. Brackets 3 are fixedly installed at the bottom of the two dustproof frames 2. Secondly, a flip frame 601 is fixedly installed on one side of one of the brackets 3, so that the adapter plate 602 on one side of the other bracket 3 is rotatably sleeved with the flip frame 601 through the rotating shaft rod 603, so that the two dustproof frames 2 can be opened and closed so that The hydraulic cylinder body 1 is replaced by a sleeve; an arc-shaped slide plate 901 is provided on the outside of the two dustproof frames 2, and an elastic sleeve 902 is fixedly sleeved between the two arc-shaped slide plates 901, so that the two dustproof frames 2 are tightened, and secondly, the two arc-shaped slide plates 901 are positioned and supported by the positioning frame 903 outside the dustproof frame 2 to prevent the two dustproof frames 2 from falling off during the use of the hydraulic cylinder body 1, and a stretching handle 10 is fixedly installed on one side of the two arc-shaped slide plates 901 to facilitate the stretching of the arc-shaped slide plates 901.
[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A dustproof hydraulic cylinder, comprising a hydraulic cylinder body (1), characterized in that: Two dustproof frames (2) are provided on the outside of the hydraulic cylinder body (1), and dustproof nets (4) are fixedly installed inside the two dustproof frames (2). A sleeve frame (7) is fixedly installed on the inner wall of one of the dustproof frames (2). The hydraulic cylinder body (1) is supported by the sleeve frame (7) and the dustproof frame (2). Brackets (3) are fixedly installed on the bottom of the two dustproof frames (2). The two brackets (3) are located on the same horizontal plane. A switching assembly (6) is provided between the two brackets (3), and sleeve anti-detachment assemblies (9) are provided on the outside of the two dustproof frames (2).
2. A dustproof hydraulic cylinder according to claim 1, characterized in that: The two dustproof frames (2) are each provided with a sleeve groove (5) inside, and the hydraulic cylinder body (1) is sleeved with the dustproof frame (2) via the sleeve groove (5).
3. The dustproof hydraulic cylinder according to claim 1, characterized in that: The adapter and replacement assembly (6) comprises a flip frame (601), an adapter plate (602) and a rotating shaft rod (603), wherein the flip frame (601) is fixedly mounted on one side of one of the brackets (3), and the adapter plate (602) is fixedly mounted on one side of the other bracket (3), the adapter plate (602) is rotatably sleeved with the flip frame (601), the interior of the adapter plate (602) is fixedly sleeved with the rotating shaft rod (603), and the adapter plate (602) is rotatably sleeved with the flip frame (601) via the rotating shaft rod (603).
4. A dustproof hydraulic cylinder according to claim 3, characterized in that: Two screws (8) are provided inside the flip frame (601) and inside the adapter plate (602), and the flip frame (601) and the adapter plate (602) are connected to the corresponding bracket (3) via the two screws (8).
5. The dustproof hydraulic cylinder according to claim 1, characterized in that: The sleeve anti-slip assembly (9) comprises an arc-shaped slide plate (901), an elastic sleeve belt (902) and a positioning frame (903); the outer walls of the two dustproof frames (2) are fixedly mounted with the positioning frame (903); the exteriors of the two dustproof frames (2) are provided with an arc-shaped slide plate (901); and the exteriors of the two arc-shaped slide plates (901) are fixedly sleeved with an elastic sleeve belt (902).
6. A dustproof hydraulic cylinder according to claim 5, characterized in that: A stretching handle (10) is fixedly mounted on one side of the two arc-shaped slide plates (901); the two stretching handles (10) penetrate the elastic sleeve (902) and extend to the outside of the elastic sleeve (902); the two stretching handles (10) are symmetrically distributed with the axis of the elastic sleeve (902) as the center.
Citation Information
Patent Citations
Dustproof hydraulic cylinder
CN220302455U