Vertical hydraulic oil cylinder

Abstract

The utility model discloses a vertical hydraulic oil cylinder, which belongs to the technical field of vertical hydraulic oil cylinders, and comprises a device body, the inner wall of the device body is slidably connected with a movable shaft, the surface of the movable shaft is provided with a mounting rack, the inner wall of the mounting rack is clamped with a slide block, and the slide block is provided with a slide groove. A cleaning mechanism is arranged on the inner wall of the mounting frame, a lubricating frame is arranged on the left side of the cleaning mechanism, the inner wall of the lubricating frame makes contact with the surface of the movable shaft, the cleaning mechanism comprises a limiting block, a mounting block and a wiping block, and the surface of the wiping block adheres to the inner wall of the mounting block. The vertical hydraulic oil cylinder solves the problems that when an existing vertical hydraulic oil cylinder is used, dust is prone to being attached, when dust enters the inner wall of the oil cylinder along with a movable shaft, the oil cylinder is prone to being blocked in the using process, the movable shaft is prone to being unsmooth in use in the long-term piston motion, and therefore the using effect is affected.

Description

Technical Field

[0001] The utility model relates to the technical field of vertical hydraulic cylinders, in particular to a vertical hydraulic cylinder. Background Art

[0002] The vertical hydraulic system is a special form of hydraulic system. It transmits force and energy in the vertical direction and is widely used in lifting machinery, elevators, lifting platforms and other equipment. The vertical hydraulic system is composed of a hydraulic pump, a hydraulic cylinder, a control valve and hydraulic oil. When the hydraulic pump is started, the hydraulic oil is pumped into the hydraulic cylinder, and the piston of the hydraulic cylinder moves under the action of the hydraulic pressure.

[0003] At present, a Chinese patent with announcement number CN217539168U discloses a shock-absorbing hydraulic cylinder, including a hydraulic cylinder body and a mounting cover, the inner side of the hydraulic cylinder body is provided with a sealing arc groove, one side of the hydraulic cylinder body is provided with a mounting cover, and one side of the mounting cover is provided with a first sealing block matching the inner wall of the hydraulic cylinder body, the top and bottom ends of the hydraulic cylinder body are provided with a movable groove, and the inner wall of the hydraulic cylinder body on the side of the movable groove is provided with a fixed groove, the inner side of the mounting cover is provided with a limiting groove, and the top and bottom ends of the mounting cover are provided with a movable groove. The shock-absorbing hydraulic cylinder squeezes the movable plug through the hydraulic oil to squeeze the movable plug toward the third spring, and the movable rod squeezes the arc elastic plate in the sleeve, so that the arc elastic plate is tightened, and then the movable plug is driven to reset under the elastic force of the arc elastic plate and the third spring itself, thereby achieving a good shock-absorbing and buffering effect.

[0004] Vertical hydraulic cylinders are often used in lifting equipment, and existing vertical hydraulic cylinders are prone to dust adhesion during use. When dust enters the inner wall of the cylinder along the movable shaft, it is easy to cause the cylinder to get stuck during use, and the movable shaft is prone to unsmooth use during long-term piston movement, which is inconvenient for users to use. Utility Model Content

[0005] The utility model provides a vertical hydraulic cylinder, aiming to solve the problem that dust is easily attached to the existing vertical hydraulic cylinder during use. When the dust enters the inner wall of the cylinder along the movable shaft, it is easy to cause the cylinder to become stuck during use, and the movable shaft is prone to use problems during long-term piston movement, thereby affecting the use effect.

[0006] The utility model is implemented as follows: a vertical hydraulic oil cylinder comprises a device body, the inner wall of the device body is slidably connected with a movable shaft, the surface of the movable shaft is provided with a mounting frame, the inner wall of the mounting frame is clamped with a slider, the inner wall of the mounting frame is provided with a cleaning mechanism, a lubrication frame is provided on the left side of the cleaning mechanism, and the inner wall of the lubrication frame is in contact with the surface of the movable shaft;

[0007] The cleaning mechanism comprises a limiting block, a mounting block and a wiping block, the surface of the wiping block is bonded to the inner wall of the mounting block, the right side of the mounting block is bolted to the left side of the limiting block, and the surface of the mounting block is movably connected to the inner wall of the mounting frame.

[0008] In order to achieve the wiping effect of the wiper block, as a preferred vertical hydraulic cylinder of the utility model, the inner wall of the wiper block contacts the surface of the movable shaft, and the left side of the limit block contacts the right side of the mounting frame.

[0009] In order to achieve the effect that the slider moves on the inner wall of the mounting frame, as a preferred vertical hydraulic cylinder of the utility model, the mounting block is bolted to the slider on one side close to the slider, and the inner wall of the mounting frame is provided with a limiting groove used in conjunction with the slider.

[0010] In order to achieve the effect of the knob rotating on the inner wall of the mounting frame, as a preferred vertical hydraulic cylinder of the utility model, the inner wall of the mounting frame is movably connected with a knob, the surface of the knob is threadedly connected to the inner wall of the slider, and the bottom of the knob passes through the interior of the mounting frame and extends to the inner wall of the slider.

[0011] In order to achieve the effect of the bolt rotating on the inner wall of the lubrication rack, as a preferred vertical hydraulic cylinder of the utility model, the inner wall of the lubrication rack is threadedly connected with a bolt, the rear side of the bolt is bonded with a sealing ring, and the surface of the sealing ring is clamped with the inner wall of the lubrication rack.

[0012] In order to achieve the effect of oil storage, as a preferred vertical hydraulic oil cylinder of the utility model, the inner wall of the lubrication rack is provided with an oil storage groove, and the inner wall of the lubrication rack is provided with an oil outlet hole.

[0013] In order to achieve the sealing effect of the sealing ring, as a preferred vertical hydraulic oil cylinder of the utility model, the inner wall of the lubrication rack is provided with a sealing groove used in conjunction with the sealing ring, and the inner wall of the lubrication rack is provided with a threaded hole used in conjunction with the bolt.

[0014] In order to achieve the effect of fixing the position of the connecting frame, as a preferred vertical hydraulic cylinder of the utility model, a connecting frame is bolted to the surface of the device body, a support column is bolted to the right side of the connecting frame, and the right side of the support column is bolted to the left side of the mounting frame.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The vertical hydraulic oil cylinder is provided with a device body, a movable shaft, a mounting frame, a sliding block, a cleaning mechanism and a lubrication frame. When in use, the positions of the wiping block and the mounting block are fixed, so that the limiting block can be driven to move by the mounting block to fix the mounting block. When the movable shaft moves on the inner wall of the device body, the dirt on the surface of the movable shaft can be wiped off by the wiping block. When the movable shaft is stuck after being used for a certain period of time, the staff will inject lubricating oil into the inner wall of the lubrication frame. When the movable shaft works once, the lubrication frame will perform lubrication work once. The lubrication efficiency is high, which is convenient for users and avoids the movable shaft from getting stuck during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the overall structural diagram of the vertical hydraulic cylinder of the utility model;

[0018] Figure 2 This is a structural diagram of the connecting frame in the utility model;

[0019] Figure 3 It is a structural diagram of the knob in the utility model;

[0020] Figure 4 It is a cross-sectional view of the lubrication rack in the utility model;

[0021] Figure 5 It is a structural diagram of the cleaning mechanism in the utility model.

[0022] In the figure, 1. device body; 2. cleaning mechanism; 201. limit block; 202. mounting block; 203. wiping block; 3. movable shaft; 4. mounting frame; 5. slider; 6. lubrication frame; 7. limit groove; 8. knob; 9. bolt; 10. sealing ring; 11. oil storage tank; 12. oil outlet hole; 13. sealing groove; 14. threaded hole; 15. connecting frame; 16. support column. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0025] See also Figure 1-5 The utility model provides a technical solution: a vertical hydraulic cylinder, comprising a device body 1, the inner wall of the device body 1 is slidably connected with a movable shaft 3, the surface of the movable shaft 3 is provided with a mounting frame 4, the inner wall of the mounting frame 4 is clamped with a slider 5, the inner wall of the mounting frame 4 is provided with a cleaning mechanism 2, the left side of the cleaning mechanism 2 is provided with a lubrication frame 6, and the inner wall of the lubrication frame 6 is in contact with the surface of the movable shaft 3;

[0026] The cleaning mechanism 2 includes a limit block 201, a mounting block 202 and a wiping block 203. The surface of the wiping block 203 is bonded to the inner wall of the mounting block 202. The right side of the mounting block 202 is bolted to the left side of the limit block 201. The surface of the mounting block 202 is movably connected to the inner wall of the mounting frame 4.

[0027] In this embodiment: by setting the device body 1, the movable shaft 3, the mounting frame 4, the slider 5, the cleaning mechanism 2 and the lubrication frame 6, the position of the wiping block 203 and the mounting block 202 are fixed during use, so that the limiting block 201 is driven to move by the mounting block 202, so that the mounting block 202 is fixed in position, when the movable shaft 3 moves on the inner wall of the device body 1, the dirt on the surface of the movable shaft 3 can be wiped off by the wiping block 203, when the movable shaft 3 is stuck after being used for a certain period of time, the staff will inject lubricating oil into the inner wall of the lubrication frame 6, when the movable shaft 3 performs this work, the lubrication frame 6 will perform a lubrication work, the lubrication efficiency is high, it is convenient for users, and the movable shaft 3 can be prevented from getting stuck during use.

[0028] As a technical optimization solution of the present invention, the inner wall of the wiper block 203 contacts the surface of the movable shaft 3 , and the left side of the limit block 201 contacts the right side of the mounting bracket 4 .

[0029] In this embodiment, the wiper block 203 is in contact with the movable shaft 3 , so that the wiper block 203 can be used to wipe the movable shaft 3 , thereby preventing the surface of the movable shaft 3 from becoming dirty.

[0030] As a technical optimization solution of the present invention, the side of the mounting block 202 close to the slider 5 is bolted to the slider 5 , and the inner wall of the mounting frame 4 is provided with a limiting groove 7 used in conjunction with the slider 5 .

[0031] In this embodiment: the position of the mounting block 202 and the slider 5 is fixed, so that the slider 5 can be driven into a fixed position by the mounting block 202, and the mounting block 202 can be stably fixed. The limiting groove 7 provided on the inner wall of the mounting frame 4 can facilitate the slider 5 to be limited by the limiting groove 7.

[0032] As a technical optimization solution of the utility model, the inner wall of the mounting frame 4 is movably connected with a knob 8, the surface of the knob 8 is threadedly connected to the inner wall of the slider 5, and the bottom of the knob 8 passes through the interior of the mounting frame 4 and extends to the inner wall of the slider 5.

[0033] In this embodiment, a knob 8 is provided, and when in use, the knob 8 is rotated on the inner walls of the mounting frame 4 and the slider 5, so that the position of the slider 5 can be limited by the knob 8, which is convenient for users to use.

[0034] As a technical optimization solution of the utility model, the inner wall of the lubrication rack 6 is threadedly connected with a bolt 9 , a sealing ring 10 is bonded to the rear side of the bolt 9 , and the surface of the sealing ring 10 is snap-fitted to the inner wall of the lubrication rack 6 .

[0035] In this embodiment: by providing bolts 9 and sealing rings 10, the sealing rings 10 are driven into a fixed position by the bolts 9 during use, so as to facilitate the sealing work by the sealing rings 10 and the bolts 9, thereby avoiding leakage of lubricating oil during use.

[0036] As a technical optimization solution of the utility model, an oil storage groove 11 is opened on the inner wall of the lubrication rack 6, and an oil outlet hole 12 is opened on the inner wall of the lubrication rack 6.

[0037] In this embodiment, the oil storage groove 11 opened on the inner wall of the lubricating rack 6 facilitates the lubricating rack 6 to store oil, and the oil outlet hole 12 opened on the inner wall of the lubricating rack 6 facilitates the oil outlet hole 12 to discharge oil.

[0038] As a technical optimization solution of the utility model, the inner wall of the lubrication rack 6 is provided with a sealing groove 13 used in conjunction with the sealing ring 10 , and the inner wall of the lubrication rack 6 is provided with a threaded hole 14 used in conjunction with the bolt 9 .

[0039] In this embodiment, the sealing groove 13 provided on the inner wall of the lubrication rack 6 facilitates the sealing ring 10 to perform sealing through the sealing groove 13 , and the threaded hole 14 provided on the inner wall of the lubrication rack 6 facilitates the bolt 9 to be threadedly connected to the lubrication rack 6 .

[0040] As a technical optimization solution of the present invention, a connecting frame 15 is bolted to the surface of the device body 1 , a supporting column 16 is bolted to the right side of the connecting frame 15 , and the right side of the supporting column 16 is bolted to the left side of the mounting frame 4 .

[0041] In this embodiment: by providing a connecting frame 15 and a supporting column 16, the connecting frame 15 and the device body 1 are fixed in position during use, and the connecting frame 15 and the supporting column 16 are fixed in position, so as to facilitate stable fixing of the mounting frame 4.

[0042] Working principle: First, during use, the positions of the wiping block 203 and the mounting block 202 are fixed, so that the mounting block 202 can drive the limit block 201 to move, so that the mounting block 202 is fixed in position. When the movable shaft 3 moves on the inner wall of the device body 1, the dirt on the surface of the movable shaft 3 can be wiped off by the wiping block 203. When the movable shaft 3 is stuck after being used for a certain period of time, the staff will inject lubricating oil into the inner wall of the lubrication rack 6. When the movable shaft 3 performs this work, the lubrication rack 6 will perform a lubrication work, and the lubrication efficiency is high, which is convenient for users and avoids the movable shaft 3 from getting stuck during use.

[0043] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A vertical hydraulic cylinder, comprising a device body (1), Features: The inner wall of the device body (1) is slidably connected to a movable shaft (3), a mounting frame (4) is provided on the surface of the movable shaft (3), a sliding block (5) is clamped on the inner wall of the mounting frame (4), a cleaning mechanism (2) is provided on the inner wall of the mounting frame (4), a lubrication frame (6) is provided on the left side of the cleaning mechanism (2), and the inner wall of the lubrication frame (6) is in contact with the surface of the movable shaft (3); The cleaning mechanism (2) comprises a limiting block (201), a mounting block (202) and a wiping block (203); the surface of the wiping block (203) is bonded to the inner wall of the mounting block (202); the right side of the mounting block (202) is bolted to the left side of the limiting block (201); and the surface of the mounting block (202) is movably connected to the inner wall of the mounting frame (4).

2. A vertical hydraulic cylinder according to claim 1, Features: The inner wall of the wiper block (203) contacts the surface of the movable shaft (3), and the left side of the limit block (201) contacts the right side of the mounting frame (4).

3. A vertical hydraulic cylinder according to claim 1, Features: The side of the mounting block (202) close to the slider (5) is bolted to the slider (5), and the inner wall of the mounting frame (4) is provided with a limiting groove (7) used in conjunction with the slider (5).

4. A vertical hydraulic cylinder according to claim 1, Features: The inner wall of the mounting frame (4) is movably connected with a knob (8), the surface of the knob (8) is threadedly connected to the inner wall of the slider (5), and the bottom of the knob (8) passes through the interior of the mounting frame (4) and extends to the inner wall of the slider (5).

5. A vertical hydraulic cylinder according to claim 1, Features: The inner wall of the lubrication rack (6) is threadedly connected with a bolt (9), the rear side of the bolt (9) is bonded with a sealing ring (10), and the surface of the sealing ring (10) is clamped with the inner wall of the lubrication rack (6).

6. A vertical hydraulic cylinder according to claim 1, Features: The inner wall of the lubrication rack (6) is provided with an oil storage groove (11), and the inner wall of the lubrication rack (6) is provided with an oil outlet hole (12).

7. A vertical hydraulic cylinder according to claim 1, Features: The inner wall of the lubrication rack (6) is provided with a sealing groove (13) for use with a sealing ring (10), and the inner wall of the lubrication rack (6) is provided with a threaded hole (14) for use with a bolt (9).

8. A vertical hydraulic cylinder according to claim 1, Features: A connecting frame (15) is bolted to the surface of the device body (1), a supporting column (16) is bolted to the right side of the connecting frame (15), and the right side of the supporting column (16) is bolted to the left side of the mounting frame (4).

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