Dustproof structure for output end of hydraulic oil cylinder

Abstract

The utility model discloses a dustproof structure for an output end of a hydraulic oil cylinder, which belongs to the technical field of dustproof structures for output ends of hydraulic oil cylinders, and comprises a support plate, the top of the support plate is fixedly connected with an oil cylinder body, and the top of the oil cylinder body is bolted with a dustproof component; the problems that most existing dustproof structures at the output ends of hydraulic oil cylinders are arranged on the surfaces of the hydraulic oil cylinders in a sleeving mode, the output ends of the hydraulic oil cylinders are possibly in bolting connection with other instruments through bolts, after the dustproof structures are used for a period of time, scraping sleeves or sealing sleeves in the dustproof structures are abraded, and the abraded scraping sleeves or sealing sleeves need to be replaced; the problems that in the prior art, due to the fact that a dustproof structure is arranged on the surface of the hydraulic oil cylinder in a sleeving mode, under the replacement condition, bolts at the connecting position of the output end of the hydraulic oil cylinder and other instruments need to be detached, then the dustproof structure is replaced, under the replacement and maintenance conditions, the workload of a user is increased, and replacement is more troublesome in the narrow position are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic cylinder output end dustproof structure technical field, especially relates to a hydraulic cylinder output end dustproof structure. BACKGROUND

[0002] In the industrial production field, as a kind of key execution element, hydraulic cylinder is widely used in various mechanical equipment, its working principle is through the pressure of hydraulic oil to drive piston rod to do reciprocating linear motion, to realize the pushing, lifting, extrusion etc. of load, however, under actual working condition, the output end of hydraulic cylinder faces many challenges, and dustproof and sealing problem is particularly prominent.

[0003] The existing sealing ring is scraped on the impurities on the piston rod, so that the sealing ring at the output end of the hydraulic cylinder is quickly worn, and the sealing ring at the output end of the hydraulic cylinder needs to be replaced frequently, which is very time-consuming and labor-consuming;

[0004] The existing patent (announcement number: CN217129984U) discloses a kind of hydraulic cylinder output end dustproof sealing assembly, including installation base body, connecting round pipe and scraping cone sleeve, installation base body includes the flange plate part of lower end, the round sleeve pipe part of upper end and the connecting round table part of connecting flange plate part and round sleeve pipe part, multiple connecting through holes are provided on flange plate part, outer thread structure is provided on the outer tube wall of round sleeve pipe part, inner thread structure is provided on the lower end inner wall of connecting round pipe, connecting round pipe is screwed on round sleeve pipe part, multiple threaded through holes leading to pipe are uniformly provided on the upper end tube wall of connecting round pipe along the circumferential direction of connecting round pipe, and fixed bolt is installed in this threaded through hole, scraping cone sleeve is inserted in connecting round pipe, and is fixed by fixed bolt;The utility model can scrape dust, iron filings and other impurities adhered on the outer wall of piston rod, without scraping through the sealing ring at the output end of hydraulic cylinder, reduce the wear of sealing ring at the output end of hydraulic cylinder.

[0005] For the above problems, the existing patent provides a solution, and most of the existing hydraulic cylinder output end dustproof structures are sleeved on the surface of the hydraulic cylinder. Since the output end of the hydraulic cylinder can be bolted to other equipment, the scraping sleeve or sealing sleeve inside the dustproof structure will be worn after a period of use. The wear needs to be replaced. Since the dustproof structure is sleeved on the surface of the hydraulic cylinder, the bolts at the connection between the output end of the hydraulic cylinder and other equipment need to be removed when replacing the dustproof structure. In the case of replacement and maintenance, the workload of the user increases, and it is more troublesome to replace in a narrow position.

[0006] Therefore, a hydraulic cylinder output end dustproof structure is proposed. UTILITY MODEL CONTENTS

[0007] The utility model discloses a hydraulic oil cylinder output end dustproof structure can solve the majority of the current hydraulic oil cylinder output end dustproof structure is mostly set in the surface of hydraulic oil cylinder, because the output end of hydraulic oil cylinder can be bolted with other instruments, after dustproof structure uses a period of time, the abrasion of internal scraping sleeve or sealing sleeve needs to be replaced, because dustproof structure is set in the surface of hydraulic oil cylinder, lead to the replacement, need to remove the bolt of the connection of the output end of hydraulic oil cylinder and other instruments, then replace dustproof structure, in the case of replacement maintenance, the workload of user increases, and in the narrow position, it is more troublesome to replace.

[0008] In order to achieve the above object, the utility model provides the following technical scheme: a hydraulic oil cylinder output end dustproof structure, including support plate, the top fixedly connected with oil cylinder body of support plate, the top of oil cylinder body is bolted with dustproof assembly;

[0009] The dustproof assembly includes a first sleeve, the rear side of the first sleeve is connected with a second sleeve, the opposite side of the first sleeve and the second sleeve is connected with a cleaning plate, the top of the first sleeve and the second sleeve is fixedly connected with a scraping sleeve, the surface of the first sleeve and the second sleeve is provided with a groove, the inner wall of the two grooves is connected with a first limiting sleeve and a second limiting sleeve, the rear side of the first limiting sleeve is fixedly connected with two clamping blocks, the front side of the second limiting sleeve is fixedly connected with a clamping plate matched with the two clamping blocks, the inside of the clamping plate and the clamping block is screw connected with a threaded rod.

[0010] Preferably, the bottom of the first sleeve and the second sleeve is fixedly connected with a limiting plate, the top of the two limiting plates is connected with a top plate, the inside of the top plate is screw connected with a plurality of spiral rods, the surface of the plurality of spiral rods is screw connected with the top of the oil cylinder body.

[0011] Preferably, the opposite side of the first sleeve and the second sleeve is connected with an adsorption plate, the opposite side of the two adsorption plates is contacted with the surface of the oil cylinder body.

[0012] Preferably, the surface of the first sleeve is provided with a first rubber pad, the surface of the second sleeve is provided with a second rubber pad, the opposite side of the first rubber pad and the second rubber pad is provided with a square groove.

[0013] Preferably, the opposite side of the first rubber pad and the second rubber pad is fixedly connected with a protective pad, the material of the two protective pads is silica gel.

[0014] Preferably, the top of the oil cylinder body is provided with an adjusting groove, the inside of the adjusting groove is fixedly connected with a sliding rod, the surface of the sliding rod is movably connected with an adjusting block which is slidably connected with the adjusting groove, and the surface of the adjusting block is fixedly connected with a protective sleeve.

[0015] Preferably, the bottom of the supporting plate is provided with a mounting groove, and the inside of the mounting groove is fixedly connected with a soft pad.

[0016] Preferably, the top of the supporting plate is fixedly connected with two auxiliary frames, and the two auxiliary frames are respectively bolted to the left side and the right side of the oil cylinder body.

[0017] Compared with the prior art, the hydraulic oil cylinder output end dustproof structure has the advantages that:

[0018] 1. The application does not need to disassemble the connecting bolts of the oil cylinder and other instruments, thereby greatly reducing the workload of the user, facilitating operation even in a narrow position, and effectively solving the problem of inconvenient replacement.

[0019] 2. The application directly cleans the impurities by the scraping sleeve and the cleaning plate, reduces the dust adhesion of the lubricating film by the adsorption plate, prevents the impurities from adhering to the piston rod and entering the inside of the oil cylinder, effectively protects the oil cylinder, prolongs the service life of the oil cylinder, and improves the stability and reliability of the equipment operation. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure diagram of the hydraulic oil cylinder output end dustproof structure of the utility model;

[0021] Figure 2 It is a structure schematic view of the dustproof assembly of the utility model;

[0022] Figure 3 It is a split schematic view of the first rubber pad and the second rubber pad of the utility model;

[0023] Figure 4 It is a split schematic view of the first rubber pad and the second rubber pad of the utility model;

[0024] Figure 5 It is a split schematic view of the mounting groove and the soft pad of the utility model.

[0025] In the figure, 1, support plate; 2, oil cylinder body; 3, dustproof assembly; 301, first sleeve; 302, second sleeve; 303, cleaning plate; 304, scraping sleeve; 305, groove; 306, first limiting sleeve; 307, second limiting sleeve; 308, clamping block; 309, clamping plate; 310, threaded rod; 4, limiting plate; 5, top plate; 6, screw rod; 7, adsorption plate; 8, first rubber pad; 9, second rubber pad; 10, square groove; 11, protective pad; 12, adjusting groove; 13, sliding rod; 14, adjusting block; 15, protective sleeve; 16, mounting groove; 17, soft pad; 18, auxiliary frame. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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 the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] Please refer to Figures 1-5 The utility model provides technical scheme:

[0028] A hydraulic oil cylinder output end dustproof structure, including support plate 1, the top of support plate 1 is fixedly connected with oil cylinder body 2, and the top of oil cylinder body 2 is bolted with dustproof assembly 3;

[0029] Dustproof assembly 3 includes first sleeve 301, the rear side of first sleeve 301 is clamped with second sleeve 302, and the opposite side of first sleeve 301 and second sleeve 302 is clamped with cleaning plate 303, the top of first sleeve 301 and second sleeve 302 is fixedly connected with scraping sleeve 304, the surface of first sleeve 301 and second sleeve 302 is provided with groove 305, the inner wall of two grooves 305 is clamped with first limiting sleeve 306 and second limiting sleeve 307 respectively, the rear side of first limiting sleeve 306 is fixedly connected with two clamping blocks 308, the front side of second limiting sleeve 307 is fixedly connected with clamping plate 309 used in cooperation with two clamping blocks 308, and the inside of clamping plate 309 and clamping block 308 is screw-connected with threaded rod 310.

[0030] In the embodiment: by setting the support plate 1, the oil cylinder body 2 can be supported, and the structure is bolted to other instruments by bolts, and by setting the dustproof assembly 3, the output end of the oil cylinder body 2 can be dustproofed, by setting the first sleeve 301, the second sleeve 302, the two cleaning plates 303, the two scraping sleeves 304, the two grooves 305, the first limiting sleeve 306, the second limiting sleeve 307, the two clamping blocks 308, the two clamping plates 309 and the two threaded rods 310, the first sleeve 301 and the second sleeve 302 are clamped, and the opposite sides of them are adhered, at this time, the two cleaning plates 303 are clamped on the opposite sides of the first sleeve 301 and the second sleeve 302 respectively, and a cleaning protection structure for the output end of the oil cylinder body 2 is initially formed, the first limiting sleeve 306 is clamped in the groove 305 on the surface of the first sleeve 301, and the second limiting sleeve 307 is clamped in the groove 305 on the surface of the second sleeve 302, then, the two clamping blocks 308 on the rear side of the first limiting sleeve 306 are aligned with the clamping plates 309 on the front side of the second limiting sleeve 307, and the clamping blocks 308 are inserted into the corresponding positions of the clamping plates 309, when the piston rod of the hydraulic oil cylinder body 2 moves linearly, the two scraping sleeves 304 installed on the top of the first sleeve 301 and the second sleeve 302 first contact the piston rod, the scraping sleeves 304 can scrape off the dust, iron filings and other impurities attached to the surface of the piston rod, and play a preliminary cleaning role, with the movement of the piston rod, the two cleaning plates 303 further wipe and clean the impurities that the scraping sleeves 304 cannot remove, to ensure the cleanliness of the surface of the piston rod and prevent impurities from entering the inside of the oil cylinder body 2, during the working process of the oil cylinder body 2, the connecting structure composed of the first limiting sleeve 306, the second limiting sleeve 307, the clamping blocks 308, the clamping plates 309 and the threaded rods 310 continuously maintains the relative position stability of the first sleeve 301 and the second sleeve 302, even under the action of external force generated by the vibration of the oil cylinder body 2 or the movement of the piston rod, the structure can ensure that the first sleeve 301 and the second sleeve 302 will not easily separate or dislocate, to ensure the normal work of the dustproof assembly 3, when it is necessary to maintain or replace parts of the dustproof assembly 3, first loosen the threaded rods 310, so that the clamping plates 309 and the clamping blocks 308 are separated, then take out the first limiting sleeve 306 and the second limiting sleeve 307 from the grooves 305 on the surfaces of the first sleeve 301 and the second sleeve 302, and then the first sleeve 301 and the second sleeve 302 can be easily separated, at this time, the worn cleaning plates 303, scraping sleeves 304 and other parts can be replaced individually, and after maintenance, the dustproof assembly 3 is reassembled according to the above installation steps.

[0031] Specifically, as Figure 1 , Figure 2 , Figure 3As shown, the bottom of the first sleeve 301 and the second sleeve 302 is fixedly connected with a limiting plate 4, the top of the two limiting plates 4 is clamped with a top plate 5, the inside of the top plate 5 is threadedly connected with a plurality of screw rods 6, and the surface of the plurality of screw rods 6 is threadedly connected with the top of the oil cylinder body 2.

[0032] Specifically, as shown in Figure 2 As shown, the opposite side of the first sleeve 301 and the second sleeve 302 is clamped with an adsorption plate 7, and the opposite side of the two adsorption plates 7 is in contact with the surface of the oil cylinder body 2.

[0033] Specifically, as shown in Figure 1 , Figure 3 As shown, the surface of the first sleeve 301 is sleeved with a first rubber pad 8, the surface of the second sleeve 302 is sleeved with a second rubber pad 9, and the opposite side of the first rubber pad 8 and the second rubber pad 9 is provided with a square groove 10.

[0034] In this embodiment: by setting two limiting plates 4, a top plate 5, and a plurality of screw rods 6, the bottom of the two limiting plates 4 is fixedly connected with the bottom of the first sleeve 301 and the second sleeve 302, then the bottom of the two limiting plates 4 is in contact with the top of the oil cylinder body 2, then the user manually adjusts the height of the top plate 5, because the bottom of the top plate 5 is provided with a groove for cooperation with the two limiting plates 4, so that the groove at the bottom of the top plate 5 is fitted with the two limiting plates 4, then the plurality of screw rods 6 is threadedly connected with the top of the oil cylinder body 2 by the user manually, so as to achieve the limiting effect of the first sleeve 301 and the second sleeve 302, by setting two adsorption plates 7, the lubricating film on the surface of the output end can be adsorbed under the reciprocating adjustment of the output end of the oil cylinder body 2, reducing the problem that too much lubricating film remains on the surface of the output end, causing more dust to stick to the surface of the output end, by setting the first rubber pad 8, the second rubber pad 9, and the two square grooves 10, the first sleeve 301 is sleeved with the first rubber pad 8, and the second sleeve 302 is sleeved with the second rubber pad 9, then the two direction grooves are used in cooperation with the clamping block 308 and the clamping plate 309, and the first rubber pad 8 and the second rubber pad 9 can protect and heat the first sleeve 301 and the second sleeve 302.

[0035] Specifically, as shown in Figure 4 As shown, the opposite side of the first rubber pad 8 and the second rubber pad 9 is fixedly connected with a protective pad 11, and the material of the two protective pads 11 is silica gel.

[0036] Specifically, as shown in Figure 4As shown, the top of the oil cylinder body 2 is provided with an adjusting groove 12, the inside of the adjusting groove 12 is fixedly connected with a sliding rod 13, the surface of the sliding rod 13 is movably connected with an adjusting block 14 which is in sliding connection with the adjusting groove 12, and the surface of the adjusting block 14 is fixedly connected with a protective sleeve 15.

[0037] In the embodiment, by setting the two protective pads 11, the first sleeve 301 and the second sleeve 302 can be contacted, and the first sleeve 301 and the second sleeve 302 are protected. By setting the adjusting groove 12, the sliding rod 13, the adjusting block 14 and the protective sleeve 15, the protective sleeve 15 is adjusted manually, the adjusting block 14 moves in the inner wall of the adjusting groove 12 along with the position of the protective sleeve 15, the sliding block contacts the inner wall of the sliding rod 13 under the position movement of the adjusting block 14, the position deviation of the sliding block is reduced, and the protective effect of the oil cylinder body 2 and the external pipeline is achieved after the protective sleeve 15 is adjusted to the appropriate position.

[0038] Specifically, as shown in the figure, Figure 5 As shown, the bottom of the support plate 1 is provided with a mounting groove 16, and the inside of the mounting groove 16 is fixedly connected with a soft pad 17 made of rubber.

[0039] Specifically, as shown in the figure, Figure 1 , Figure 4 As shown, the top of the support plate 1 is fixedly connected with two auxiliary frames 18, and the two auxiliary frames 18 are bolted to the left side and the right side of the oil cylinder body 2 respectively.

[0040] In the embodiment, by setting the mounting groove 16 and the soft pad 17, the soft pad 17 is connected to the inside of the support plate 1 through the mounting groove 16, and then the soft pad 17 is contacted with other instruments, so as to reduce the position deviation of the support plate 1. By setting the two auxiliary frames 18, the two auxiliary frames 18 are bolted to the left side and the right side of the oil cylinder body 2 respectively, and can be used in cooperation with the support plate 1, so as to support the oil cylinder body 2.

[0041] Working principle: first through the support plate 1 bottom installation groove 16 and soft pad 17 and other equipment connection, reduce the support plate 1 position offset, the support plate 1 stable installation, then the oil cylinder body 2 is fixed on the support plate 1 top, using the support plate 1 top auxiliary frame 18 further to the oil cylinder body 2 is supported, then install dustproof assembly 3, the first sleeve 301 and the second sleeve 302 are clamped, so that the cleaning plate 303 is in place, then the first limiting sleeve 306, the second limiting sleeve 307 are clamped into the corresponding groove 305, align the clamping block 308 and the clamping plate 309 and insert, with threaded rod 310 threaded connection, preliminary formation dustproof structure, then, through the limiting plate 4, the top plate 5 and the screw rod 6, the dustproof assembly 3 is fixed on the oil cylinder body 2 top, realize overall installation and fixation, when the oil cylinder body 2 works, the piston rod does reciprocating linear motion, the scraper 304 installed on the top of the first sleeve 301 and the second sleeve 302 first contact the piston rod, the scraper 304 utilizes its material and structure, scrapes the dust, iron filings and other impurities attached to the surface of the piston rod, plays a preliminary cleaning effect, with the movement of the piston rod, two cleaning plates 303 further wipe the impurities that the scraper 304 fails to remove, ensure the cleanliness of the surface of the piston rod, prevent impurities from entering the oil cylinder body 2 inside, at the same time, the adsorbing plate 7 on the opposite side of the first sleeve 301 and the second sleeve 302, adsorbs the excess lubricating film on the surface of the output end of the oil cylinder body 2, reduces the dust adhesion caused by excessive lubricating film, from multiple angles, the output end of the oil cylinder body 2 is cleaned, reduces the damage of impurities to the oil cylinder body 2, when it is necessary to maintain or replace parts of the dustproof assembly 3, first loosen the threaded rod 310, so that the clamping plate 309 and the clamping block 308 are separated, then the first limiting sleeve 306 and the second limiting sleeve 307 are taken out from the groove 305 on the surface of the first sleeve 301 and the second sleeve 302, and then the first sleeve 301 and the second sleeve 302 are conveniently separated, at this time, the worn cleaning plate 303, scraper 304 and other parts can be replaced individually, after maintenance, the dustproof assembly 3 is reassembled according to the installation steps, convenient maintenance is realized, the maintenance workload and time cost are reduced, without disassembling the connecting bolts of the oil cylinder body 2 and other equipment, which greatly reduces the workload of the user, even in a relatively narrow position, it can also be operated conveniently, effectively solves the problem of inconvenient replacement.

[0042] The above is only a preferred embodiment of the present application, and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A dustproof structure for the output end of a hydraulic cylinder, comprising a support plate (1), characterized in that: The top of the support plate (1) is fixedly connected with an oil cylinder body (2), and the top of the oil cylinder body (2) is hingedly connected with a dustproof assembly (3). The dustproof assembly (3) comprises a first sleeve (301), the rear side of the first sleeve (301) is hingedly connected with a second sleeve (302), the opposite sides of the first sleeve (301) and the second sleeve (302) are hingedly connected with cleaning plates (303), the top of the first sleeve (301) and the second sleeve (302) is fixedly connected with a scraping sleeve (304), the surfaces of the first sleeve (301) and the second sleeve (302) are provided with grooves (305), the inner walls of the two grooves (305) are hingedly connected with a first limiting sleeve (306) and a second limiting sleeve (307), the rear side of the first limiting sleeve (306) is fixedly connected with two clamping blocks (308), the front side of the second limiting sleeve (307) is fixedly connected with a clamping plate (309) used in cooperation with the two clamping blocks (308), and the interiors of the clamping plate (309) and the clamping block (308) are screwedly connected with a threaded rod (310).

2. The dustproof structure for the output end of a hydraulic cylinder according to claim 1, characterized in that: The bottoms of the first sleeve (301) and the second sleeve (302) are fixedly connected with limiting plates (4), the top of the two limiting plates (4) is hingedly connected with a top plate (5), and the interior of the top plate (5) is screwedly connected with a plurality of screw rods (6), and the surfaces of the plurality of screw rods (6) are screwedly connected with the top of the oil cylinder body (2).

3. The dustproof structure for the output end of a hydraulic cylinder according to claim 1, characterized in that: The opposite sides of the first sleeve (301) and the second sleeve (302) are hingedly connected with adsorbing plates (7), and the opposite sides of the two adsorbing plates (7) are in contact with the surface of the oil cylinder body (2).

4. The dustproof structure for the output end of a hydraulic cylinder according to claim 1, characterized in that: The surface of the first sleeve (301) is sleeved with a first rubber pad (8), the surface of the second sleeve (302) is sleeved with a second rubber pad (9), and the opposite sides of the first rubber pad (8) and the second rubber pad (9) are provided with square grooves (10).

5. The dustproof structure for the output end of a hydraulic cylinder according to claim 4, characterized in that: The opposite sides of the first rubber pad (8) and the second rubber pad (9) are fixedly connected with protective pads (11), and the materials of the two protective pads (11) are silica gel.

6. The dustproof structure for the output end of a hydraulic cylinder according to claim 1, characterized in that: The top of the oil cylinder body (2) is provided with an adjusting groove (12), the interior of the adjusting groove (12) is fixedly connected with a sliding rod (13), the surface of the sliding rod (13) is movably connected with an adjusting block (14) which is slidably connected with the adjusting groove (12), and the surface of the adjusting block (14) is fixedly connected with a protective sleeve (15).

7. The dustproof structure for the output end of a hydraulic cylinder according to claim 1, characterized in that: The bottom of the support plate (1) is provided with a mounting groove (16), the interior of the mounting groove (16) is fixedly connected with a soft pad (17), and the material of the soft pad (17) is rubber.

8. The dustproof structure for the output end of a hydraulic cylinder according to claim 1, characterized in that: The top of the support plate (1) is fixedly connected with two auxiliary frames (18), and the two auxiliary frames (18) are respectively hingedly connected to the left side and the right side of the oil cylinder body (2).

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