Double-section oil cylinder with protective structure

Abstract

The utility model discloses a double-section oil cylinder with a protection structure, and relates to the technical field of double-section oil cylinders, the double-section oil cylinder comprises a cylinder bottom and a cylinder cover, a cylinder body is fixedly installed between the cylinder bottom and the cylinder cover, a protection plate is arranged on the outer side of the cylinder body, and a limiting clamp is arranged on the outer side of the protection plate. According to the double-section oil cylinder with the protection structure, the cylinder body, the protection plates, the limiting hoops and the like are arranged, the protection plates are attached to the outer side of the cylinder body, the cylinder body is protected, sharp objects are prevented from making direct contact with the cylinder body when the double-section oil cylinder is collided with the outside, the cylinder body is prevented from being damaged, and the multiple protection plates are limited and fixed through the limiting hoops; and when the first section of hydraulic rod retracts and passes through the first cleaning plate, the surface of the first section of hydraulic rod is cleaned through the first cleaning pad, when the second section of hydraulic rod retracts, the surface of the second section of hydraulic rod is cleaned through the second cleaning pad, dust is prevented from being brought into the cylinder body, and practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of double-section oil cylinders, in particular to a double-section oil cylinder with a protective structure. Background Art

[0002] A double-section cylinder is a conventional hydraulic cylinder with a hydraulic rod structure added to it, which can achieve two-stage extension and retraction. Compared with a single-section structure, the stroke of the double-section cylinder is increased, so it has certain application scenarios in the application of cylinders.

[0003] The existing double-section oil cylinder body does not have an external protection structure, which is prone to safety accidents after a collision, affecting the normal use of the oil cylinder. At the same time, when the hydraulic rod is extended and retracted, it is exposed to the outside and dust will be brought into the oil cylinder, contaminating the hydraulic oil. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a double-section oil cylinder with a protective structure, which solves the problem that the cylinder body does not have an external protective structure, which is prone to safety accidents after a collision, affecting the normal use of the oil cylinder. At the same time, when the hydraulic rod is extended and retracted, the exposed outside will bring dust into the cylinder and contaminate the hydraulic oil.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a double-section oil cylinder with a protective structure, including a cylinder bottom and a cylinder head, a cylinder body is fixedly installed between the cylinder bottom and the cylinder head, a protective plate is arranged on the outer side of the cylinder body, a limiting clamp is arranged on the outer side of the protective plate, a first hydraulic rod is arranged on the upper end of the cylinder head, a second hydraulic rod is arranged on the upper end of the first hydraulic rod, a first cleaning plate is arranged on the outer side of the first hydraulic rod, a second cleaning plate is arranged on the upper end of the cylinder head located on the outer side of the second hydraulic rod, and a support rod is fixedly installed on the side of the cylinder body between the cylinder bottom and the cylinder head.

[0006] Preferably, four protective plates are distributed in a circular ring array on the cylinder body, and the protective plates are closely connected to the cylinder body.

[0007] Preferably, two of the limiting clamps are provided, and the limiting clamps consist of a front clamp and a rear clamp, and the rear end of the front clamp and the front end of the rear clamp are detachably connected via bolts.

[0008] Preferably, the first section of the hydraulic rod is slidably connected to the cylinder body, and the second section of the hydraulic rod is slidably connected to the first section of the hydraulic rod.

[0009] Preferably, the first cleaning plate is composed of a fixed seat and a snap-fit ​​seat, a notch is provided on the front side of the surface of the fixed seat, and a cleaning pad 1 is provided in the notch, the left and right sides of the rear end of the snap-fit ​​seat are detachably connected to the fixed seat, the cleaning pad 1 is designed in an arc-shaped structure, two cleaning pads 1 are symmetrically provided, and the inner surface of the cleaning pad 1 is fit-connected to the first section of the hydraulic rod.

[0010] Preferably, the second cleaning plate is composed of a fastening sleeve and a cleaning pad 2, two fastening sleeves are symmetrically arranged, and a cleaning pad 2 is arranged on the inner side of the fastening sleeve. The front and rear ends of the two fastening sleeves are detachably connected by bolts, and the inner surface of the cleaning pad 2 is fit-connected to the second section of the hydraulic rod.

[0011] Preferably, there are four support rods distributed in a circular array, and the support rods are adapted to the limiting clamps. Beneficial Effects

[0012] The utility model provides a double-section oil cylinder with a protective structure. Compared with the prior art, it has the following beneficial effects:

[0013] 1. The double-section oil cylinder with a protective structure is provided with a cylinder body, a protective plate and a limit clamp, etc. The protective plate is attached to the outer side of the cylinder body to protect the cylinder body. When it is hit by an external impact, sharp objects are prevented from directly contacting the cylinder body to prevent the cylinder body from being damaged. The limit clamp is used to limit and fix multiple protective plates, which is convenient for disassembly and replacement of the protective plates, thereby improving convenience.

[0014] 2. The double-section oil cylinder with a protective structure is provided with a hydraulic rod, a first cleaning plate, a second cleaning plate, etc. When the first section of the hydraulic rod retracts, it passes through the first cleaning plate, so that the first cleaning pad cleans the surface of the first section of the hydraulic rod, and when the second section of the hydraulic rod retracts, the second cleaning pad cleans the surface of the second section of the hydraulic rod, thereby preventing dust from being brought into the cylinder body and improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0016] Figure 2 It is a schematic diagram of the top view of the cylinder body of the utility model.

[0017] Figure 3 It is a schematic diagram of the three-dimensional structure of the first cleaning plate of the utility model.

[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the second cleaning plate of the utility model.

[0019] In the figure: 1. cylinder bottom; 2. cylinder head; 3. cylinder body; 4. protective plate; 5. limit clamp; 51. front clamp ring; 52. rear clamp ring; 53. bolt; 6. first section of hydraulic rod; 7. second section of hydraulic rod; 8. first cleaning plate; 81. fixing seat; 82. engaging seat; 83. cleaning pad 1; 9. second cleaning plate; 91. fastening sleeve; 92. cleaning pad 2; 10. support rod. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 The utility model provides a technical solution: a double-section oil cylinder with a protective structure, comprising a cylinder bottom 1 and a cylinder head 2, a cylinder body 3 is fixedly installed between the cylinder bottom 1 and the cylinder head 2, a protective plate 4 is arranged on the outer side of the cylinder body 3, and four protective plates 4 are distributed in a circular ring array of the cylinder body 3, the protective plate 4 and the cylinder body 3 are closely connected, and a limiting clamp 5 is arranged on the outer side of the protective plate 4, and two limiting clamps 5 are arranged, and the limiting clamp 5 consists of a front clamp ring 51 and a rear clamp ring 52, and the rear end of the front clamp ring 51 and the front end of the rear clamp ring 52 are detachably connected by a bolt member 53, and the cylinder body 3 is protected by the protective plate 4 being fitted on the outer side of the cylinder body 3. When it is hit by the outside, it is prevented from directly contacting the cylinder body 3 with sharp objects to prevent the cylinder body 3 from being damaged, and the limiting clamps 5 are used to limit and fix multiple protective plates 4, so that it is convenient to disassemble and replace the protective plates 4, thereby improving convenience;

[0022] A first section of hydraulic rod 6 is arranged at the upper end of cylinder cover 2, a second section of hydraulic rod 7 is arranged at the upper end of first section of hydraulic rod 6, the first section of hydraulic rod 6 is slidably connected to cylinder body 3, the second section of hydraulic rod 7 is slidably connected to the first section of hydraulic rod 6, a first cleaning plate 8 is arranged at the upper end of cylinder cover 2 on the outer side of first section of hydraulic rod 6, the first cleaning plate 8 is composed of a fixing seat 81 and a clamping seat 82, a notch is arranged on the front side of the surface of fixing seat 81, and a cleaning pad 1 83 is arranged in the notch, the left and right sides of the rear end of clamping seat 82 are detachably connected to fixing seat 81, cleaning pad 1 83 is designed in arc structure, two cleaning pads 1 83 are symmetrically arranged, the inner surface of cleaning pad 1 83 is fitted and connected to the first section of hydraulic rod 6, when the first section of hydraulic rod 6 is retracted, it passes through the first cleaning plate 8, so that the cleaning pad 1 83 cleans the surface of the first section of hydraulic rod 6;

[0023] The upper end of the first hydraulic rod 6 is located on the outside of the second hydraulic rod 7 and is provided with a second cleaning plate 9. The second cleaning plate 9 is composed of a fastening sleeve 91 and a cleaning pad 92. Two fastening sleeves 91 are symmetrically provided, and a cleaning pad 92 is provided on the inner side of the fastening sleeve 91. The front and rear ends of the two fastening sleeves 91 are detachably connected by bolts. The inner surface of the cleaning pad 92 is fitted and connected to the second hydraulic rod 7. A support rod 10 is fixedly installed on the side of the cylinder body 3 between the cylinder bottom 1 and the cylinder head 2. There are four support rods 10 distributed in a circular array. The support rod 10 is adapted to the limit clamp 5. When the second hydraulic rod 7 retracts, the cleaning pad 92 cleans the surface of the second hydraulic rod 7 to prevent dust from being brought into the cylinder body 3.

[0024] During operation, the cylinder body 3 is protected by fitting the protective plate 4 on the outer side of the cylinder body 3. When it is hit by the outside, sharp objects are prevented from directly contacting the cylinder body 3 to prevent the cylinder body 3 from being damaged. The plurality of protective plates 4 are limited and fixed by the limiting clamp 5, which facilitates the removal and replacement of the protective plates 4 and improves convenience. When the first hydraulic rod 6 retracts, the first cleaning plate 8 is passed through, so that the cleaning pad 1 83 cleans the surface of the first hydraulic rod 6, and when the second hydraulic rod 7 retracts, the cleaning pad 2 92 cleans the surface of the second hydraulic rod 7 to prevent dust from being brought into the cylinder body 3, thereby improving practicality. The first cleaning plate 8 and the second cleaning plate 9 are both detachable, so that the cleaning pad 1 83 and the cleaning pad 2 92 can be taken out and replaced to ensure the protective effect.

[0025] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A double-section oil cylinder with a protective structure, comprising a cylinder bottom (1) and a cylinder cover (2), characterized in that: A cylinder body (3) is fixedly installed between the cylinder bottom (1) and the cylinder head (2); a protective plate (4) is arranged on the outer side of the cylinder body (3); a limit clamp (5) is arranged on the outer side of the protective plate (4); a first hydraulic rod (6) is arranged at the upper end of the cylinder head (2); a second hydraulic rod (7) is arranged at the upper end of the first hydraulic rod (6); a first cleaning plate (8) is arranged at the upper end of the cylinder head (2) on the outer side of the first hydraulic rod (6); a second cleaning plate (9) is arranged at the upper end of the first hydraulic rod (6) on the outer side of the second hydraulic rod (7); and a support rod (10) is fixedly installed between the cylinder bottom (1) and the cylinder head (2) on the side of the cylinder body (3).

2. The double-section oil cylinder with a protective structure according to claim 1, characterized in that: Four protective plates (4) are distributed in a circular annular array on the cylinder body (3), and the protective plates (4) and the cylinder body (3) are closely connected.

3. The double-section oil cylinder with a protective structure according to claim 1, characterized in that: Two of the limiting clamps (5) are provided, and the limiting clamps (5) are composed of a front clamping ring (51) and a rear clamping ring (52), and the rear end of the front clamping ring (51) and the front end of the rear clamping ring (52) are detachably connected via a bolt member (53).

4. The double-section oil cylinder with a protective structure according to claim 1, characterized in that: The first section of the hydraulic rod (6) is slidably connected to the cylinder body (3), and the second section of the hydraulic rod (7) is slidably connected to the first section of the hydraulic rod (6).

5. The double-section oil cylinder with a protective structure according to claim 1, characterized in that: The first cleaning plate (8) is composed of a fixing seat (81) and a snap-fit ​​seat (82); a notch is provided on the front side of the surface of the fixing seat (81), and a cleaning pad (83) is provided in the notch; the left and right sides of the rear end of the snap-fit ​​seat (82) are detachably connected to the fixing seat (81); the cleaning pad (83) is designed in an arc-shaped structure; two cleaning pads (83) are symmetrically provided; and the inner surface of the cleaning pad (83) is in close contact with the first section of the hydraulic rod (6).

6. The double-section oil cylinder with a protective structure according to claim 1, characterized in that: The second cleaning plate (9) is composed of a fastening sleeve (91) and a second cleaning pad (92). Two of the fastening sleeves (91) are symmetrically arranged. A second cleaning pad (92) is arranged on the inner side of the fastening sleeve (91). The front and rear ends of the two fastening sleeves (91) are detachably connected by bolts. The inner surface of the second cleaning pad (92) is fitted and connected to the second hydraulic rod (7).

7. The double-section oil cylinder with a protective structure according to claim 1, characterized in that: There are four support rods (10) distributed in a circular array, and the support rods (10) are adapted to the limiting clamps (5).

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