Gas spring structure capable of stably ascending and descending

Abstract

The utility model discloses a gas spring structure capable of stably ascending and descending, and belongs to the technical field of gas spring structures. Comprising a cylinder body, a piston rod is arranged in the cylinder body, one end of the piston rod is connected with a piston, the other end of the piston rod is connected with a connector, a supporting barrel is arranged at the upper end of the cylinder body, an anti-deviation barrel is arranged in the cylinder body, a sliding sleeve is arranged in the supporting barrel, and the inner wall of the sliding sleeve makes contact with the piston rod; lubricating oil is arranged between the sliding sleeve and the piston rod. According to the gas spring structure capable of stably ascending and descending, the supporting barrel is arranged outside the cylinder body, when the piston rod is subjected to vertical or inclined acting force, the supporting barrel can effectively support the piston rod, the overall strength of a gas spring is enhanced, and the situation that the gas spring structure is unstable or damaged due to external force in the working process is prevented; the anti-deviation cylinder is arranged in the cylinder body, so that the movement of the piston rod can be continuously guided and corrected in the working process of the gas spring, and deviation of the piston rod in the movement process is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to air spring structure technical field, concretely is a kind of air spring structure of stable lifting. BACKGROUND

[0002] In actual use, air spring often faces various external forces, such as vertical force, inclination force and impact force, etc., these forces can cause the structure of air spring to deviate or damage, thereby affecting its normal function.

[0003] At present, the existing air spring design mostly relies on simple piston and cylinder structure, and there is certain defect. For example, when subjected to external force, the piston rod can appear bending, deviation or uneven force condition, leading to the working stability of air spring to decline, and even cause the fracture of piston rod or air spring damage. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of air spring structure of stable lifting, increase the protection of each component in the process of use while improving stability, prolong the practical life of air spring, solve the problems in prior art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of air spring structure of stable lifting, including cylinder body, the inside of cylinder body is provided with piston rod, one end of piston rod is connected with piston, the other end of piston rod is connected with connecting head, the upper end of cylinder body is provided with support cylinder, the inside of cylinder body is provided with anti-deviation cylinder, the inside of support cylinder is provided with sliding sleeve, and the inner wall of sliding sleeve is in contact with piston rod, lubricating oil is arranged between sliding sleeve and piston rod, and buffer assembly is arranged below piston.

[0006] Preferably, the bottom end of the support cylinder is provided with a flange plate, and the flange plate is fixedly connected with the cylinder body by bolts.

[0007] Preferably, the lower surface of the piston is provided with a rubber pad.

[0008] Preferably, the buffer assembly includes a buffer plate, and the buffer plate is fixedly connected with the inner wall of the cylinder body by a spring.

[0009] Preferably, the buffer plate is provided with a sliding block on both sides, and the sliding block is slidingly connected with the cylinder body through a sliding groove.

[0010] Preferably, the anti-deviation cylinder is fixedly connected with the cylinder body by a connecting rod, the inner wall of the anti-deviation cylinder is provided with a buffer layer, and the buffer layer is not attached to the piston rod.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] 1. The utility model discloses a stable lifting gas spring structure, through setting up the support cylinder outside the cylinder body, when the piston rod is subjected to the vertical or inclined force, the support cylinder can effectively provide the support for the piston rod, strengthens the overall strength of the gas spring, prevents the gas spring structure from losing stability or damaging due to external force in the working process, through setting up the anti - deviation cylinder inside the cylinder body, can continue guiding and correcting the movement of the piston rod in the gas spring working process, avoid the deviation of piston rod in the movement, and then reduce the uneven force of piston rod due to the deviation, prevent the piston rod from breaking, improve the service life and stability of the gas spring.

[0013] 2. The utility model discloses a stable lifting gas spring structure, through setting up the buffer assembly, can effectively slow down the impact of piston and cylinder body bottom inner wall collision, prevent the piston and the hard contact of cylinder inner wall, thereby avoid the piston damage due to direct collision, improve the stability and durability of the gas spring. ACCURACY

[0014] Figure 1 It is the whole structure schematic diagram of the utility model;

[0015] Figure 2 It is the cylinder body internal structure schematic diagram of the utility model;

[0016] Figure 3 It is the support cylinder axonometric drawing of the utility model;

[0017] Figure 4 It is the support cylinder of the utility model Figure 2 A enlarged view;

[0018] Figure 5 It is the support cylinder sectional view of the utility model.

[0019] In the drawing: 1, cylinder; 2, piston rod; 3, support cylinder; 4, piston; 5, anti - deviation cylinder; 6, buffer assembly; 7, sliding sleeve; 8, bolt; 9, buffer layer; 101, sliding groove; 301, flange plate; 401, rubber pad; 601, buffer plate; 602, spring; 603, sliding block. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the scope of the utility model.

[0021] Please refer to Figures 1-5 The embodiment provides the following technical scheme:

[0022] The application discloses a stable lifting gas spring structure, which comprises a cylinder body 1, the inside of the cylinder body 1 is provided with a piston rod 2, one end of the piston rod 2 is connected with a piston 4, the other end of the piston rod 2 is connected with a connecting head, the upper end of the cylinder body 1 is provided with a supporting cylinder 3, the inside of the cylinder body 1 is provided with a deviation preventing cylinder 5, the inside of the supporting cylinder 3 is provided with a sliding sleeve 7, the inner wall of the sliding sleeve 7 is in contact with the piston rod 2, lubricating oil is arranged between the sliding sleeve 7 and the piston rod 2, the piston rod 2 moves more smoothly, and a buffer assembly 6 is arranged below the piston 4.

[0023] Specifically, the supporting cylinder 3 can support the piston rod 2 when the piston rod 2 is subjected to vertical or inclined force, the overall strength of the gas spring is improved, the deviation preventing cylinder 5 is arranged, the movement of the piston rod 2 can be corrected and guided during the working process of the gas spring, the deviation of the movement of the piston rod 2 is further prevented, the uneven force on the piston rod 2 is prevented, and the breakage of the piston rod 2 is caused.

[0024] In the embodiment, the bottom end of the supporting cylinder 3 is provided with a flange plate 301, the flange plate 301 is fixedly connected with the cylinder body 1 through bolts 8, and the supporting cylinder 3 is conveniently installed in the threaded connection mode.

[0025] In the embodiment, the lower surface of the piston 4 is provided with a rubber pad 401, the buffer assembly 6 comprises a buffer plate 601, the buffer plate 601 is fixedly connected with the inner wall of the cylinder body 1 through springs 602, sliding blocks 603 are arranged on the two sides of the buffer plate 601, and the sliding blocks 603 are slidingly connected with the cylinder body 1 through sliding grooves 101.

[0026] Specifically, the rubber pad 401, the buffer plate 601 and the springs 602 are matched to buffer the sliding piston 4, direct collision of the piston 4 on the bottom inner wall of the cylinder body 1 is avoided, the piston 4 is prevented from being damaged, the stability of the gas spring is improved, and the stability of the buffer plate 601 during movement is ensured through the cooperation of the sliding blocks 603 and the sliding grooves 101.

[0027] In the embodiment, the deviation preventing cylinder 5 is fixedly connected with the cylinder body 1 through a connecting rod, the inner wall of the deviation preventing cylinder 5 is provided with a buffer layer 9, and the buffer layer 9 is not attached to the piston rod 2.

[0028] Specifically, the buffer layer 9 is a rubber ring, has a buffering effect, and can prevent the piston rod 2 from being damaged due to hard contact between the piston rod 2 and the deviation preventing cylinder 5, and the protection effect is improved.

[0029] Working principle: when in use, the supporting cylinder 3 is installed on the cylinder body 1 by using the bolt 8, the supporting cylinder 3 supports the piston rod 2 when the piston rod 2 is subjected to vertical or inclined force, the overall strength of the gas spring is improved, by setting the anti-deviation cylinder 5, the movement of the piston rod 2 can be corrected and guided at all times during the working process of the gas spring, further preventing the movement of the piston rod 2 from deviating, when the piston 4 contacts the buffer assembly 6, under the cooperation of the rubber pad 401, the buffer plate 601 and the spring 602, the sliding piston 4 can be buffered, avoiding the direct collision of the piston 4 on the inner wall of the bottom of the cylinder body 1, which can cause damage to the piston 4, thereby improving the stability of the gas spring.

Claims

1. A stable lifting and falling gas spring structure, comprising a cylinder (1), an inside of the cylinder (1) is provided with a piston rod (2), one end of the piston rod (2) is connected with a piston (4), and the other end of the piston rod (2) is connected with a connecting head, characterized in that: The upper end of the cylinder (1) is provided with a supporting cylinder (3), the inside of the cylinder (1) is provided with an anti-deviation cylinder (5), the inside of the supporting cylinder (3) is provided with a sliding sleeve (7), the inner wall of the sliding sleeve (7) is in contact with the piston rod (2), lubricating oil is arranged between the sliding sleeve (7) and the piston rod (2), and the lower side of the piston (4) is provided with a buffer assembly (6).

2. The stable lift gas spring structure of claim 1, wherein: The bottom end of the supporting cylinder (3) is provided with a flange plate (301), and the flange plate (301) is fixedly connected with the cylinder (1) through bolts (8).

3. The stable lift gas spring structure of claim 1, wherein: The lower surface of the piston (4) is provided with a rubber pad (401).

4. The stable lift gas spring structure of claim 1, wherein: The buffer assembly (6) comprises a buffer plate (601), and the buffer plate (601) is fixedly connected with the inner wall of the cylinder (1) through springs (602).

5. A stable lift gas spring structure according to claim 4, wherein: Both sides of the buffer plate (601) are provided with sliding blocks (603), and the sliding blocks (603) are slidingly connected with the cylinder (1) through sliding grooves (101).

6. The stable lift gas spring structure of claim 1, wherein: The anti-deviation cylinder (5) is fixedly connected with the cylinder (1) through a connecting rod, the inner wall of the anti-deviation cylinder (5) is provided with a buffer layer (9), and the buffer layer (9) is not attached to the piston rod (2).

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