Protective device of hydraulic oil cylinder
The design of the quick-release and cleaning structures solves the problems of difficult disassembly of the hydraulic cylinder protective shell and inability to replace the brush, enabling convenient brush replacement and quick disassembly and assembly of the protective shell, thus improving ease of use and cleaning effect.
Patent Information
- Application Number
- CN202520111156.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-17
AI Technical Summary
The protective shell of the existing hydraulic cylinder is difficult to disassemble and requires tools, the threaded connection is prone to rust, and the brush cannot be replaced, resulting in poor cleaning effect.
It adopts a quick-release structure and a cleaning structure. The brush can be easily replaced by a motor-driven worm gear system, and the protective shell can be quickly disassembled and assembled using quick-release blocks and spring limits.
It enables convenient brush replacement and quick disassembly and assembly of the protective shell, avoiding rust problems and improving ease of use and cleaning effect.
Smart Images

Figure CN223676669U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a field, specifically a kind of protective device of hydraulic oil cylinder. BACKGROUND
[0002] Hydraulic cylinder is the linear reciprocating motion (or swing motion) hydraulic actuator that is converted into mechanical energy by hydraulic energy.It is simple in structure, reliable in operation.When it is used to realize reciprocating motion, it can avoid speed reducer, and there is no transmission gap, and the movement is stable, so it is widely used in various mechanical hydraulic systems.The output force of hydraulic cylinder and the effective area of piston are proportional to the pressure difference on both sides.Hydraulic cylinder is basically composed of cylinder barrel and cylinder cover, piston and piston rod, sealing device, buffer device and exhaust device.
[0003] The patent with publication number CN219865702U in the prior art discloses a hydraulic oil cylinder with a protective device, which comprises a base, a piston rod and a hydraulic oil cylinder body, the circumferential surface of the hydraulic oil cylinder body is provided with a protective shell, the end of the two protective shells close to each other is fixedly connected with a second fixed lug, the end of the two first connecting covers close to each other is fixedly connected with a first fixed lug, the circumferential surface of the two second connecting covers is fixedly connected with a third fixed lug, and the two third fixed lugs are fixedly connected by a third bolt.The utility model can protect the hydraulic oil cylinder body and the piston rod under the cooperation of the protective shell, the fence, the first connecting cover and the second connecting cover, so as to avoid damage to the piston rod and the hydraulic oil cylinder body due to external force;in addition, under the action of the first fixed lug, the second fixed lug and the third fixed lug, the protective shell, the first connecting cover and the second connecting cover can be conveniently disassembled from the outer end of the hydraulic oil cylinder body, so that the disassembly and assembly are convenient.
[0004] However, the patent in the prior art has the following shortcomings:
[0005] (1) The protective shell of the prior art is disassembled by threaded connection, which is difficult to disassemble when in use, and tools are needed for disassembly, and the screw rod may rust if not replaced for a long time, so that disassembly cannot be performed, which is very inconvenient to use;
[0006] (2) The cleaning structure of the prior art cannot replace the brush, so that the brush surface is covered with oil stains after multiple uses, so that the brush cannot play the original role of cleaning the hydraulic oil cylinder.
[0007] The information disclosed in this background section is intended only to increase an understanding of the general background of the present utility model, and should not be construed as recognition or implication that this information constitutes related art that is already known to those skilled in the art. UTILITY MODEL CONTENTS
[0008] In order to solve the above problems, the technical scheme of the utility model discloses: a protection device of hydraulic oil cylinder, including fixed structure and quick -detach structure, the protection shell of current prior art through the disassembly of threaded connection realizes, the disassembly of threaded nut is difficult when using, needs the tool to disassemble when using, long -time does not replace and also can cause screw rod rust, lead to unable to disassemble, it is very inconvenient to use and the cleaning structure can not replace the brush, lead to the brush surface of brush is full of oil dirt after using many times, lead to the brush can not play the role of original cleaning hydraulic oil cylinder,
[0009] As preferably, the upper end of the protection shell one is fixedly connected with the protection shell two;
[0010] Hydraulic oil cylinder, the surface of the hydraulic oil cylinder is connected with the inner wall of the protection shell one;
[0011] Support ring, the support ring is fixedly connected at the upper end of the hydraulic oil cylinder;
[0012] Cleaning structure, the cleaning structure is arranged at the upper end of the support ring;
[0013] Fixed structure, the fixed structure is arranged at the upper end of the cleaning structure;
[0014] Limiting ring, four limiting rings are fixedly connected at the upper and lower ends of the protection shell one;
[0015] Limiting rod, the two ends of a plurality of limiting rods are fixedly connected at the inner side of one end of the limiting ring;
[0016] Lever, eight levers are fixedly connected at one end of the four limiting rings;
[0017] Quick -detach structure, the quick -detach structure is arranged at the two ends of the lever;
[0018] Brush, the brush is arranged at the upper end of the fixed structure, the inner side of the brush is provided with a clamping groove.
[0019] Further, the cleaning structure includes two connecting plates fixedly connected at the upper end of the hydraulic oil cylinder, one end of the connecting plate is fixedly connected with a motor, the output end of the motor is fixedly connected with a worm, the other end of the worm is rotatably connected at the other end of the connecting plate, the upper end of the support ring is rotatably connected with a worm wheel, the worm wheel and the worm are engagedly connected.
[0020] Further, the fixing structure comprises a rotating disc rotatably connected to the upper end of the worm wheel, both ends of the rotating disc are fixedly connected with protruding blocks, the inside of the protruding blocks is inserted with a plug, the plug penetrates through the inside of the protruding blocks and is inserted into the inside of the worm wheel, the middle inside of the rotating disc is provided with a small hole, the inner wall of the small hole is connected with the outer wall of the output end of the hydraulic oil cylinder, the inside of the rotating disc is provided with an arc-shaped groove, the inside of the arc-shaped groove is slidably connected with a sliding rod, the upper end of the sliding rod is fixedly connected with a connecting block, both ends of the connecting block are fixedly connected with sliding blocks, the upper end of the rotating disc is slidably connected with a fixing block, both ends of the fixing block are provided with limiting sliding grooves, the surface of the sliding blocks is slidably connected with the inner wall of the limiting sliding grooves, the upper end of the connecting block is fixedly connected with a clamping block, and the clamping block is clamped in the inside of the clamping groove.
[0021] Further, the quick release structure comprises plug blocks inserted in both ends of the protruding rod, one end of the protruding rod is fixedly connected with a connecting rod, the upper end of the connecting rod is fixedly connected with a fixing rod, the lower end of the fixing rod is connected with the upper end of the protruding rod, the upper end of the fixing rod is fixedly connected with a mounting rod, the front and rear ends of the mounting rod are slidably connected with connecting grooves, the lower ends of both sides of the connecting grooves are fixedly connected with baffle plates, one end of the inside of the baffle plates is fixedly connected with a round rod, the round rod is movably penetrated and connected in the inside of the mounting rod, the surface of the round rod is provided with two springs, one end of each of the two springs is fixedly connected with one end of the baffle plate and the other end is fixedly connected with one end of the mounting rod.
[0022] Further, one end of the inside of the protection shell is fixedly connected with a scraper, and one end of the blade surface of the scraper is connected with the output end of the hydraulic oil cylinder.
[0023] Further, the surface of the protection shell one is fixedly sleeved with a wear-resistant layer.
[0024] The utility model discloses compared with prior art has the advantages in:
[0025] (1) the utility model discloses a cleaning structure and fixed structure, when hydraulic oil cylinder is used, after using, start motor, thereby make the worm start rotating, thereby make the worm wheel start rotating, thereby drive fixed structure starts rotating, thereby make the brush start rotating, thereby can clean the output end of hydraulic oil cylinder, when want to disassemble the brush, pull out the plug, thereby rotating the protruding block, thereby make the rotating disc rotate, thereby make the sliding rod slide in the arc-shaped groove, thereby make the connecting block start moving forward and backward, through the sliding block in the limiting sliding groove sliding, thereby the connecting block is positioned, thereby make the connecting block only slide forward and backward, thereby make the clamping block slide forward and backward, thereby make the clamping block separate from the clamping groove, thereby can disassemble the brush, when replacing the brush, the clamping groove of the brush is aligned with the clamping block, and the protruding block is twisted to make the clamping block clamp into the clamping groove, and the plug is inserted into the inside of the protruding block, thereby the rotating disc and the worm wheel can rotate synchronously, thereby reach the purpose that the brush can be replaced.
[0026] (2)The utility model discloses a quick release structure, when using, the installation rod is moved, makes the installation rod slide in the connecting groove, thereby making the spring compression, thereby making the fixed rod move to both ends, thereby making the connecting rod move to both ends, thereby making the plug block move to both ends, thereby making the plug block separate from the convex rod internally, thereby can dismantle protective shell no. 1 and protective shell no. 2, when installing protective shell, make protective shell no. 1 and protective shell no. 2 to it, make the plug block with convex rod to it, loosen the installation rod, thereby making the spring rebound, thereby making the plug block insert into the convex rod internally, thereby can fix protective shell no. 1 and protective shell no. 2, the plug block is positioned to the spring, thereby making the plug block can be inserted more firmly, the structure is simple to use, has no rust concern, and is very firm, and it is very convenient to use. BRIEF DESCRIPTION OF DRAWINGS
[0027] Figure 1 It is the overall perspective of the utility model.
[0028] Figure 2 It is the sectional perspective of the utility model Figure One .
[0029] Figure 3 It is the sectional perspective of the utility model Figure Two .
[0030] Figure 4 It is the sectional perspective of the utility model
[0031] Figure 5 It is the sectional perspective of the utility model
[0032] Figure 6 It is the sectional perspective of the utility model
[0033] As shown in the figure: 1, protective shell no. 1;2, protective shell no. 2;3, hydraulic oil cylinder;4, support ring;5, cleaning structure;501, connecting plate;502, motor;503, worm;504, worm wheel;6, fixed structure;601, rotary table;602, convex block;603, plug bolt;604, arc slot;605, sliding rod;606, small hole;607, connecting block;608, sliding block;609, fixed block;610, limit sliding slot;611, clamping block;7, limit ring;8, limit rod;9, convex rod;10, quick release structure;1001, plug block;1002, connecting rod;1003, fixed rod;1004, installation rod;1005, connecting groove;1006, baffle;1007, round rod;1008, spring;11, brush;12, clamping groove;13, scraper;14, wear-resistant layer. DETAILED DESCRIPTION
[0034] The specific embodiment of the utility model is further illustrated below in combination with the drawings. Same parts are indicated with same reference numerals.
[0035] It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "inner" and "outer" refer to the directions towards or away from the geometric center of a particular component.
[0036] In order to make the content of the utility model more easily and clearly understood, the technical solutions in the utility model embodiments will be clearly and completely described below in combination with the drawings in the utility model embodiments.
[0037] Embodiment one
[0038] As Figure 1 As shown in FIG. -a kind of protective device of hydraulic oil cylinder includes: protective shell one 1, hydraulic oil cylinder 3, support ring 4, cleaning structure 5, fixed structure 6, limiting ring 7, limiting rod 8, convex rod 9, quick release structure 10, brush 11, wherein the upper end of protective shell one 1 is fixedly connected with protective shell two 2, the surface of hydraulic oil cylinder 3 is connected with the inner wall of protective shell one 1, the internal hydraulic oil cylinder 3 can be protected by protective shell one 1 and protective shell two 2
[0039] Support ring 4 is fixedly connected to the upper end of hydraulic oil cylinder 3, cleaning structure 5 is arranged at the upper end of support ring 4, fixed structure 6 is arranged at the upper end of cleaning structure 5, and the cleaning structure 5 can be prevented from rotating by support ring 4 to cause abrasion to hydraulic oil cylinder 3, and the output end of hydraulic oil cylinder 3 can be cleaned by cleaning structure 5 and fixed structure.
[0040] Four limiting rings 7 are fixedly connected to the upper and lower ends of protective shell one 1, and the two ends of a plurality of limiting rods 8 are fixedly connected to the inner side of one end of limiting ring 7, which can support protective shell one 1 and protective shell two 2.
[0041] Eight convex rods 9 are fixedly connected to one of the four limiting rings 7, and quick release structure 10 is arranged at the two ends of convex rod 9, and protective shell one 1 and protective shell two 2 can be disassembled by quick release structure 10.
[0042] The brush 11 is arranged at the upper end of the fixed structure 6, and the inner side of the brush 11 is provided with a clamping groove 12, and the hydraulic oil cylinder 3 can be cleaned by the cleaning structure 5.
[0043] The cleaning structure 5 comprises two connecting plates 501 fixedly connected to the upper end of the hydraulic oil cylinder 3, one end of the one end connecting plate 501 is fixedly connected with a motor 502, the output end of the motor 502 is fixedly connected with a worm 503, the other end of the worm 503 is rotatably connected to the other end of the connecting plate 501, the upper end of the support ring 4 is rotatably connected with a worm wheel 504, the worm wheel 504 and the worm 503 are in meshing connection, when the hydraulic oil cylinder 3 is used, the motor 502 is started, so that the worm 503 starts to rotate, so that the worm wheel 504 starts to rotate, so that the fixed structure 6 starts to rotate, so that the brush 11 starts to rotate, so that the output end of the hydraulic oil cylinder 3 can be cleaned.
[0044] The fixed structure 6 comprises a rotating disc 601 rotatably connected to the upper end of the worm wheel 504, the two ends of the rotating disc 601 are fixedly connected with protrusions 602, the inside of the protrusions 602 is inserted with a plug 603, the plug 603 penetrates the inside of the protrusions 602 and is inserted in the inside of the worm wheel 504, the middle inside of the rotating disc 601 is provided with a small hole 606, the inner wall of the small hole 606 is in contact with the outer wall of the output end of the hydraulic oil cylinder 3, the inside of the rotating disc 601 is provided with an arc-shaped groove 604, the arc-shaped groove 604 is slidably connected with a sliding rod 605, the upper end of the sliding rod 605 is fixedly connected with a connecting block 607, the two ends of the connecting block 607 are fixedly connected with sliding blocks 608, the upper end of the rotating disc 601 is slidably connected with a fixed block 609, the two ends of the fixed block 609 are provided with limiting sliding grooves 610, the surface of the sliding blocks 608 is slidably connected to the inner wall of the limiting sliding grooves 610, when the brush 11 is to be disassembled, the plug 603 is pulled out, so that the protrusions 602 are rotated, so that the rotating disc 601 is rotated, so that the sliding rod 605 is slid in the arc-shaped groove 604, so that the connecting block 607 starts to move forward and backward, the connecting block 607 is limited by the sliding of the sliding blocks 608 in the limiting sliding grooves 610, so that the connecting block 607 can only slide forward and backward, the upper end of the connecting block 607 is fixedly connected with a clamping block 611, the clamping block 611 is clamped in the inside of the clamping groove 12, when the connecting block 607 moves forward and backward, the clamping block 611 slides forward and backward, so that the clamping block 611 is separated from the clamping groove 12, so that the brush 11 can be disassembled, when the brush 11 is replaced, the clamping groove 12 of the brush 11 is aligned with the clamping block 611, the protrusions 602 are twisted, so that the clamping block 611 is clamped into the clamping groove 12, the plug 603 is inserted into the inside of the protrusions 602, so that the rotating disc 601 and the worm wheel 504 can be synchronously rotated, so that the brush 11 can be replaced.
[0045] The quick release structure 10 is inserted into the plug block 1001 at both ends of the convex rod 9, one end of the convex rod 9 is fixedly connected with a connecting rod 1002, the upper end of the connecting rod 1002 is fixedly connected with a fixed rod 1003, the lower end of the fixed rod 1003 is connected with the upper end of the convex rod 9, the upper end of the fixed rod 1003 is fixedly connected with a mounting rod 1004, the front and rear ends of the mounting rod 1004 are slidingly connected with a connecting groove 1005, the lower ends of both sides of the connecting groove 1005 are fixedly connected with a baffle 1006, one end of the inner side of the baffle 1006 is fixedly connected with a round rod 1007, the round rod 1007 is movably penetrated into the inside of the mounting rod 1004, two springs 1008 are arranged on the surface of the round rod 1007, one end of each of the two springs 1008 is fixedly connected with one end of the baffle 1006 and the other end is fixedly connected with one end of the mounting rod 1004, when in use, the mounting rod 1004 is moved, the mounting rod 1004 slides in the connecting groove 1005, so that the spring 1008 is compressed, so that the fixed rod 1003 moves to both ends, so that the connecting rod 1002 moves to both ends, so that the plug block 1001 moves to both ends, so that the plug block 1001 is separated from the inside of the convex rod 9, so that the protective shell one 1 and the protective shell two 2 can be disassembled, when the protective shell one 1 and the protective shell two 2 are installed, the protective shell one 1 and the protective shell two 2 are arranged, the plug block 1001 is arranged with the convex rod 9, the mounting rod 1004 is loosened, so that the spring 1008 rebounds, so that the plug block 1001 is inserted into the inside of the convex rod 9, so that the protective shell one 1 and the protective shell two 2 can be fixed, the spring 1008 is used for limiting the plug block 1001, so that the plug block 1001 can be inserted more firmly, the structure is simple to use, without rusting, and is very firm and convenient to use
[0046] Example two
[0047] The scheme in example 1 is further introduced in combination with a specific working mode, and details are described below: the protective shell one 1 is fixedly connected with a scraper 13 at one end of the inner side, and the scraper 13 is connected with the output end of the hydraulic oil cylinder 3 at one end of the blade surface, which can preliminarily clean the surface of the output end of the hydraulic oil cylinder 3.
[0048] Example three
[0049] The scheme in example 1 is further introduced in combination with a specific working mode, and details are described below: the surface of the protective shell one 1 is fixedly sleeved with a wear-resistant layer 14, which can prevent the surface of the protective shell one 1 from being rubbed to reduce the service life of the protective shell one 1.
[0050] The electrical components in the text are all connected with the main controller and 220V mains electricity, and the main controller can be a computer or other conventional known device for control, and the detailed description of the known functions and known components is omitted in the specific embodiment of the present disclosure. In order to ensure the compatibility of the device, the operation means adopted is consistent with the parameters of the market appliances.
[0051] The above describes the present application and its embodiments, which is not restrictive, and the drawings shown are only one of the embodiments of the present application, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired, without departing from the creative purpose of the present application, without creative design, similar structure and embodiments similar to the technical solution, which should belong to the protection scope of the present application.
Claims
1. A guard for a hydraulic ram, characterised in that , comprising: The upper end of the protection shell one (1) is fixedly connected with the protection shell two (2); The surface of the hydraulic oil cylinder (3) is connected with the inner wall of the protection shell one (1); The support ring (4) is fixedly connected to the upper end of the hydraulic oil cylinder (3); The cleaning structure (5) is provided on the upper end of the support ring (4); The fixed structure (6) is provided on the upper end of the fixed structure (6); The four limiting rings (7) are fixedly connected to the upper and lower ends of the protection shell one (1); The two ends of the limiting rod (8) are fixedly connected to one end of the limiting ring (7) on the inner side; The eight protruding rods (9) are fixedly connected to one end of the four limiting rings (7); The quick release structure (10) is provided on both ends of the protruding rod (9); The brush (11) is provided on the upper end of the fixed structure (6), and the inner side of the brush (11) is provided with a clamping groove (12).
2. A hydraulic cylinder guard according to claim 1, wherein The cleaning structure (5) includes two connecting plates (501) fixedly connected to the upper end of the hydraulic oil cylinder (3), one end of the connecting plate (501) is fixedly connected with a motor (502), the output end of the motor (502) is fixedly connected with a worm (503), the other end of the worm (503) is rotatably connected to the other end of the connecting plate (501), the upper end of the support ring (4) is rotatably connected with a worm gear (504), and the worm gear (504) and the worm (503) are meshed.
3. A hydraulic ram guard according to claim 2, wherein, The fixed structure (6) includes a rotating disc (601) rotatably connected to the upper end of the worm gear (504), the two ends of the rotating disc (601) are fixedly connected with protruding blocks (602), the inside of the protruding blocks (602) is inserted with a plug (603), the plug (603) penetrates the protruding blocks (602) and is inserted into the inside of the worm gear (504), a small hole (606) is formed in the middle inner side of the rotating disc (601), the inner wall of the small hole (606) is connected with the output end of the hydraulic oil cylinder (3), an arc-shaped groove (604) is formed in the inner side of the rotating disc (601), a sliding rod (605) is slidably connected in the inside of the arc-shaped groove (604), a connecting block (607) is fixedly connected to the upper end of the sliding rod (605), two sliding blocks (608) are fixedly connected to the two ends of the connecting block (607), a fixed block (609) is slidably connected to the upper end of the rotating disc (601), limiting sliding grooves (610) are formed in the two ends of the fixed block (609), the surface of the sliding block (608) is slidably connected to the inner wall of the limiting sliding groove (610), the upper end of the connecting block (607) is fixedly connected to a clamping block (611), and the clamping block (611) is clamped in the inner side of the clamping groove (12).
4. The hydraulic cylinder guard of claim 1, wherein, The quick release structure (10) includes the plug block (1001) inserted at both ends of the convex rod (9), one end of the convex rod (9) is fixedly connected with the connecting rod (1002), the upper end of the connecting rod (1002) is fixedly connected with the fixed rod (1003), the lower end of the fixed rod (1003) is connected with the upper end of the convex rod (9), the upper end of the fixed rod (1003) is fixedly connected with the mounting rod (1004), the front and rear ends of the mounting rod (1004) are slidingly connected with the connecting groove (1005), the lower ends of both sides of the connecting groove (1005) are fixedly connected with the baffle (1006), one end of the inner side of the baffle (1006) is fixedly connected with the round rod (1007), the round rod (1007) is movably penetrated and connected in the inside of the mounting rod (1004), the surface of the round rod (1007) is provided with two springs (1008), one end of each of the two springs (1008) is fixedly connected with one end of the baffle (1006) and the other end is fixedly connected with one end of the mounting rod (1004).
5. The hydraulic cylinder guard of claim 1, wherein, The inner side of one end of the protection shell two (2) is fixedly connected with the scraper (13), one end of the blade surface of the scraper (13) is connected with the output end of the hydraulic oil cylinder (3).
6. A hydraulic cylinder guard according to claim 1 wherein, The surface of the protection shell one (1) is fixedly sleeved with the wear-resistant layer (14).
Citation Information
Patent Citations
Hydraulic oil cylinder with protective device
CN219865702U