Hydraulic oil cylinder with self-cleaning device
By designing a self-cleaning device in the hydraulic cylinder and using the sliding connection between the mounting plate and the wiping pad to remove debris and dust, the problem of the plunger rod being contaminated during use is solved, a self-cleaning effect is achieved, the plunger rod is kept clean and wear is reduced.
Patent Information
- Application Number
- CN202423060811.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-12
AI Technical Summary
During the use of the hydraulic cylinder, the part of the plunger rod extending from the cylinder body is easily contaminated with debris and dust, causing interference with movement and scratches, which is difficult to effectively clean with existing technology.
A self-cleaning device is designed, including a self-cleaning part consisting of a mounting plate and a wiping pad, which is slidably connected to the telescopic rod through a connecting mechanism. The wiping pad removes debris and dust when the telescopic rod is retracted. The connecting mechanism is easy to disassemble for replacement and cleaning. The self-cleaning function is realized in combination with the design of the oil chamber and oil hole.
Effectively remove debris and dust from the telescopic rod to avoid accumulation at the output end of the housing, keep the plunger rod clean, facilitate the replacement and cleaning of the wiping pad, and reduce interference and scratches on the plunger rod.
Smart Images
Figure CN223447362U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hydraulic cylinder technical field, concretely is a kind of hydraulic cylinder with self-cleaning device. BACKGROUND
[0002] Hydraulic cylinder is the hydraulic energy into mechanical energy, do linear reciprocating motion (or swing motion) hydraulic actuator. Hydraulic cylinder includes plunger rod and cylinder. Oil inlet hole on cylinder imports high-pressure oil to the inside of cylinder, plunger rod is extended with high-pressure oil under the push.
[0003] But hydraulic cylinder when using, the part of plunger rod that extends cylinder often will be contaminated with a lot of sundries or dust, when plunger rod is retracted into the inside of cylinder, the sundries or dust on the outer surface of plunger rod can be intercepted in the output end position outside cylinder, and with the long-term use of hydraulic cylinder, these sundries or dust can also gradually accumulate and adhere on the output end of cylinder, this can interfere with the activity of plunger rod, and also easily cause scratch on the outer surface of plunger rod. For this, a kind of hydraulic cylinder with self-cleaning device is presented. SUMMARY
[0004] The utility model aims at providing a kind of hydraulic cylinder with self-cleaning device to solve the problems presented in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of hydraulic cylinder with self-cleaning device, including shell, the upper end of the shell is provided with telescopic rod, the outer surface of the telescopic rod is equipped with self-cleaning piece, the self-cleaning piece is slidably connected with telescopic rod, connection mechanism is arranged between the self-cleaning piece and shell, the self-cleaning piece is composed of mounting plate and wiping pad, the number of mounting plate is two, two the mounting plate is symmetrically distributed on the two sides of telescopic rod, two the mounting plate is connected by fixed mechanism, two the mounting plate is respectively provided with wiping pad in the end of mutual approach.
[0006] As further preferred of the technical scheme, the fixed mechanism has connecting plate and fixed bolt composition, two the mounting plate is respectively fixedly connected with connecting plate on the two sides, two fixed holes are set up on the connecting plate, the outer diameter of fixed bolt is equal to the inner diameter of fixed hole, the inner wall of fixed hole is provided with the internal thread of screw thread cooperation with fixed bolt.
[0007] As further preferred of the technical scheme, the connection mechanism is composed of sliding block and fixed plate, the fixed plate is fixedly connected on the upper end of shell by multiple screws, the upper surface of the fixed plate is respectively provided with two sliding grooves, two the sliding groove is symmetrically distributed on the two sides of telescopic rod, the bottom of two the mounting plate is respectively fixedly connected with sliding block, the sliding block and sliding groove slide fit.
[0008] As a further preferred of the technical solution, the wiping pad is fixedly connected with a connecting block on the side close to the mounting plate, and a mounting groove slidingly matched with the connecting block is formed in the inner wall of the mounting plate.
[0009] As a further preferred of the technical solution, the connecting block is made of elastic material.
[0010] As a further preferred of the technical solution, an oil cavity is formed in the inside of the shell, a movable sealing plate is slidingly installed in the oil cavity, and the bottom of the telescopic rod is fixedly connected with the upper end of the movable sealing plate.
[0011] As a further preferred of the technical solution, a first oil hole and a second oil hole are respectively formed in the upper and lower sides of the outer wall of the shell, and the first oil hole and the second oil hole are respectively in communication with the oil cavity.
[0012] The utility model provides a hydraulic oil cylinder with self -cleaning device has the following beneficial effect:
[0013] The utility model discloses a wiping pad on the self -cleaning piece can when telescopic rod contracts, wipe down the sundries and dust on telescopic rod, thereby avoid the sundries and dust on telescopic rod to gather to the intersection position of shell output end and telescopic rod, and the design of connecting mechanism and fixed mechanism can conveniently dismount self -cleaning piece to the dust pad is cleaned or replaced conveniently. BRIEF DESCRIPTION OF DRAWINGS
[0014] Fig. 1 It is the schematic diagram of the whole structure of the utility model;
[0015] Fig. 2 It is the split schematic diagram of the whole structure of the utility model;
[0016] Fig. 3 It is the structure schematic diagram of self -cleaning piece in the utility model;
[0017] Fig. 4 It is the structure schematic diagram of mounting plate in the utility model;
[0018] In the drawing: 1, shell;2, telescopic rod;3, first oil hole;4, second oil hole;5, movable sealing plate;6, mounting plate;7, sliding block;8, connecting plate;9, fixed hole;10, fixed bolt;11, fixed plate;12, sliding slot;13, wiping pad;14, connecting block;15, mounting groove;16, oil cavity;17, self -cleaning piece. DETAILED DESCRIPTION
[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model.
[0020] The utility model provides technical scheme: as Figs. 1 to 4 As shown in the figure, in the embodiment, a hydraulic cylinder with a self-cleaning device, including the casing 1, the upper end of casing 1 is provided with telescopic link 2, the outer surface of telescopic link 2 is equipped with self-cleaning piece 17, self-cleaning piece 17 is connected with telescopic link 2 slidingly, be provided with connecting mechanism between self-cleaning piece 17 and casing 1, self-cleaning piece 17 is composed of mounting plate 6 and wiping pad 13, the number of mounting plate 6 is two, two mounting plate 6 is symmetrically distributed in the both sides of telescopic link 2, two mounting plate 6 is connected through fixed mechanism between two mounting plate 6, two mounting plate 6 is respectively provided with wiping pad 13 in the end of mutual approach.
[0021] Among them, fixed mechanism has connecting plate 8 and fixed bolt 10 composition, two mounting plate 6's both sides are fixedly connected with connecting plate 8 respectively, two fixed holes 9 are set up on connecting plate 8, the outer diameter of fixed bolt 10 is equal with the inner diameter of fixed hole 9, and the inner wall of fixed hole 9 is provided with the internal thread of screw thread cooperation with fixed bolt 10.
[0022] Two mounting plate 6 is closed in the both sides of telescopic link 2, the fixed hole 9 on two connecting plate 8 is aligned at this time, then fixed bolt 10 is rotated and installed into fixed hole 9, two mounting plate 6 can be fixed together.
[0023] Among them, connecting mechanism is composed of slider 7 and fixed plate 11, fixed plate 11 is fixedly connected on the upper end of casing 1 through multiple screws, the upper surface of fixed plate 11 is respectively provided with two sliding grooves 12, two sliding grooves 12 are symmetrically distributed in the both sides of telescopic link 2, the bottom of two mounting plate 6 is fixedly connected with slider 7, slider 7 and sliding groove 12 slidingly engage.
[0024] Through the sliding engagement between slider 7 and sliding groove 12, mounting plate 6 can be positioned on fixed plate 11, and fixed plate 11 is fixedly connected with casing 1, so that mounting plate 6 is positioned on casing 1.
[0025] Among them, wiping pad 13 is fixedly connected with connecting block 14 on the side close to mounting plate 6, connecting block 14 adopts elastic material, and mounting groove 15 that slidingly engages with connecting block 14 is formed in the inner wall of mounting plate 6.
[0026] Through the setting of connecting block 14 and mounting groove 15, wiping pad 13 can be conveniently disassembled from mounting plate 6, so that wiping pad 13 is convenient to replace.
[0027] Among them, oil cavity 16 is formed in the inside of casing 1, movable sealing plate 5 is slidably installed in oil cavity 16, the bottom of telescopic link 2 is fixedly connected with the upper end of movable sealing plate 5, a first oil hole 3 and a second oil hole 4 are formed in the upper and lower sides of the outer wall of casing 1, and the first oil hole 3 and the second oil hole 4 are in communication with the oil cavity 16.
[0028] The utility model provides a hydraulic oil cylinder with self -cleaning device, concrete working principle is as follows:
[0029] When using, two mounting plates 6 are closed at the both sides of telescopic rod 2, the fixed hole 9 on two connecting plates 8 is aligned at this time, then the fixed bolt 10 is rotated and installed into the fixed hole 9, two mounting plates 6 can be fixed together, the slider 7 at the bottom of mounting plate 6 is slidably inserted on the sliding slot 12 on fixed plate 11, mounting plate 6 can be positioned on fixed plate 11, the wiping pad 13 on the inner wall of mounting plate 6 is wrapped on the outer surface of telescopic rod 2 at this time, when telescopic rod 2 is contracted, the sundries and dust on telescopic rod 2 are intercepted by wiping pad 13, thereby avoiding that the sundries and dust on telescopic rod 2 are accumulated to the intersection position of housing 1 output end and telescopic rod 2, and the above operation is reversed, mounting plate 6 can be disassembled, thereby facilitating the cleaning or replacement of wiping pad 13.
[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and its equivalents.
Claims
1. A hydraulic cylinder with a self-cleaning device, comprising a housing (1), characterized in that: A telescopic rod (2) is provided at the upper end of the housing (1), and a self-cleaning member (17) is sleeved on the outer surface of the telescopic rod (2). The self-cleaning member (17) is slidably connected to the telescopic rod (2), and a connecting mechanism is provided between the self-cleaning member (17) and the housing (1). The self-cleaning member (17) is composed of a mounting plate (6) and a wiping pad (13). There are two mounting plates (6), and the two mounting plates (6) are symmetrically distributed on both sides of the telescopic rod (2). The two mounting plates (6) are connected by a fixing mechanism, and the ends of the two mounting plates (6) close to each other are respectively provided with a wiping pad (13).
2. The hydraulic cylinder with a self-cleaning device according to claim 1, characterized in that: The fixing mechanism is composed of a connecting plate (8) and a fixing bolt (10), and the two sides of the two mounting plates (6) are respectively fixedly connected with the connecting plates (8), and two fixing holes (9) are provided on the connecting plate (8). The outer diameter of the fixing bolt (10) is equal to the inner diameter of the fixing hole (9), and the inner wall of the fixing hole (9) is provided with an internal thread that matches the thread of the fixing bolt (10).
3. The hydraulic cylinder with a self-cleaning device according to claim 1, characterized in that: The connecting mechanism is composed of a slider (7) and a fixed plate (11), wherein the fixed plate (11) is fixedly connected to the upper end of the housing (1) by a plurality of screws, and two slide grooves (12) are respectively provided on the upper surface of the fixed plate (11), and the two slide grooves (12) are symmetrically distributed on both sides of the telescopic rod (2), and the bottoms of the two mounting plates (6) are respectively fixedly connected with sliders (7), and the sliders (7) are slidably engaged with the slide grooves (12).
4. The hydraulic cylinder with a self-cleaning device according to claim 1, characterized in that: A connecting block (14) is fixedly connected to one side of the wiping pad (13) close to the mounting plate (6), and a mounting groove (15) is provided on the inner wall of the mounting plate (6) and is slidably engaged with the connecting block (14).
5. The hydraulic cylinder with a self-cleaning device according to claim 4, characterized in that: The connecting block (14) is made of elastic material.
6. The hydraulic cylinder with a self-cleaning device according to claim 1, characterized in that: An oil chamber (16) is provided inside the housing (1), a movable sealing plate (5) is slidably mounted in the oil chamber (16), and the bottom of the telescopic rod (2) is fixedly connected to the upper end of the movable sealing plate (5).
7. The hydraulic cylinder with a self-cleaning device according to claim 6, characterized in that: The outer wall of the housing (1) is provided with a No. 1 oil hole (3) and a No. 2 oil hole (4) on the upper and lower sides, respectively. The No. 1 oil hole (3) and the No. 2 oil hole (4) are in communication with the oil cavity (16).