CN214888554U

CN214888554U - Expansion tail end buffering type self-discharging gas spring

Info

Publication number: CN214888554U
Application number: CN202022947414.9U
Authority: CN
Inventors: 陈晨
Original assignee: Wuxi Weida Gas Spring Co ltd
Current assignee: Wuxi Weida Gas Spring Co ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-11-26
Anticipated expiration: 2030-12-11

Abstract

The utility model discloses an extension tail end buffer type self-discharging air spring, which comprises a first connecting piece and a piston rod, the right end of the first connecting piece is provided with a piston rod, the first connecting piece and the piston rod are fixed by spot welding, the right end of the piston rod is provided with a pressure pipe, the right end of the pressure pipe is rotationally fixed with a buffer mechanism through a thread groove, the buffer mechanism is arranged at the intersection of the pressure pipe and the second connecting piece in the utility model, thus when in use, the acting force on the pressure pipe can be counteracted by the buffer mechanism at the tail end, so that the pressure pipe can not be broken due to larger acting force, and this buffer gear is inside to be provided with first spliced pole and second spliced pole, can reach the effect of quick installation and dismantlement with this buffer gear and manometer pipe through first spliced pole and second spliced pole like this.

Description

Expansion tail end buffering type self-discharging gas spring

Technical Field

The utility model belongs to the technical field of the air spring mechanism is relevant, concretely relates to extend terminal buffering type self-discharging formula air spring.

Background

The gas spring is an industrial accessory which can play a role in supporting, buffering, braking, height adjustment, angle adjustment and the like. It is composed of the following parts: the device comprises a pressure cylinder, a piston rod, a piston, a sealing guide sleeve, fillers, an in-cylinder control element, an out-cylinder control element, a joint and the like.

The existing gas spring technology has the following problems: when the existing gas spring is used, the tail end of the existing gas spring is not provided with a good buffer device, so that the acting force applied to the tail end is possibly large when the existing gas spring is jacked up, and the phenomenon that the tail end connection part is broken can occur in severe cases.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an extend terminal buffering type self-discharging formula air spring to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: extend terminal buffering type self-discharging formula air spring, including first connecting piece and piston rod, the right-hand member of first connecting piece is provided with the piston rod, first connecting piece is fixed with piston rod spot welding, the right-hand member of piston rod is provided with the pressure pipe, the right-hand member of pressure pipe is fixed with buffer gear through the thread groove rotation, buffer gear's right-hand member is provided with the second connecting piece, buffer gear's constitution is including first spliced pole, buffering subassembly and second spliced pole, the upper end of first spliced pole is provided with the buffering subassembly, the upper end of buffering subassembly is provided with the second spliced pole.

Preferably, the buffer assembly comprises a connecting plate, a protective cover, a sleeve, a spring assembly and a support rod, wherein the support rod is arranged at the upper end axis of the connecting plate, the protective cover is arranged on one circle of the outer side of the support rod, the spring assembly is arranged on the upper end of the support rod, and the sleeve is arranged on the upper end of one circle of the outer side of the spring assembly.

Preferably, the first connecting piece and the second connecting piece are both of a plate-shaped structure, and round holes are formed in the inner axle centers of the first connecting piece and the second connecting piece.

Preferably, the pressure pipe is of a hollow cylinder structure, and an air source interface is arranged on one side of the surface end of the pressure pipe.

Preferably, the pressure pipe is fixedly sleeved with the piston rod.

Preferably, the sleeve is of a hollow cylindrical structure, and a limiting plate is arranged on the periphery of the bottom end of the sleeve.

Compared with the prior art, the utility model provides an extend terminal buffering type self-discharging formula air spring possesses following beneficial effect:

(1) the utility model discloses in the crossing department at pressure pipe and second connecting piece be provided with buffer gear, like this when using, the effort that this pressure pipe received can offset through terminal buffer gear, thus can make this pressure pipe can not appear cracked phenomenon because of great effort, and this buffer gear is inside to be provided with first spliced pole and second spliced pole, can reach the effect of quick installation and dismantlement with this buffer gear through first spliced pole and second spliced pole like this;

(2) the utility model discloses in be provided with the protection casing in buffering subassembly's inside, can make branch obtain better protection under the effect of protection casing, avoided branch and the inside phenomenon that gets into the dust of sheathed tube.

Drawings

Fig. 1 is a schematic view of the overall structure of an extension end buffering type self-discharging gas spring of the present invention;

fig. 2 is a schematic front view of the buffering mechanism of the present invention;

FIG. 3 is a schematic cross-sectional view of the buffering assembly of the present invention;

in the figure: 1. a first connecting member; 2. a piston rod; 3. a pressure pipe; 4. a buffer mechanism; 41. a first connecting column; 42. a buffer assembly; 421. a connecting plate; 422. a protective cover; 423. a sleeve; 424. a spring assembly; 425. a strut; 43. a second connecting column; 5. a second connecting member.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-3, the present invention provides a technical solution: extension end buffering type self-discharging air spring, which comprises a first connecting piece 1 and a piston rod 2, wherein the piston rod 2 is arranged at the right end of the first connecting piece 1, the first connecting piece 1 and a second connecting piece 5 are both of a plate-shaped structure, round holes are formed in the inner axle centers of the first connecting piece 1 and the second connecting piece 5, the first connecting piece 1 and the piston rod 2 are fixed through spot welding, a pressure pipe 3 is arranged at the right end of the piston rod 2, the pressure pipe 3 is of a hollow cylinder structure, the pressure pipe 3 is fixedly sleeved with the piston rod 2, an air source interface is arranged on one side of the surface end of the pressure pipe 3, so that the piston rod 2 can be better transmitted, a buffering mechanism 4 is rotationally fixed at the right end of the pressure pipe 3 through a thread groove, a second connecting piece 5 is arranged at the right end of the buffering mechanism 4, the composition of the buffering mechanism 4 comprises a first connecting column 41, a buffering component 42 and a second connecting column 43, the upper end of first spliced pole 41 is provided with buffering subassembly 42, the constitution of buffering subassembly 42 is including connecting plate 421, protection casing 422, sleeve pipe 423, spring assembly 424 and branch 425, the upper end axle center department of connecting plate 421 is provided with branch 425, the outside a week of branch 425 is provided with protection casing 422, the upper end of branch 425 is provided with spring assembly 424, the upper end of the outside a week of spring assembly 424 is provided with sleeve pipe 423, sleeve pipe 423 is inside hollow cylinder structure, bottom a week department of sleeve pipe 423 is provided with the limiting plate, setting through the limiting plate, thereby can make better reaching spacing effect, buffering subassembly 42's upper end is provided with second spliced pole 43.

The utility model discloses a theory of operation and use flow: when the device is used, the device is firstly taken out, then the device is installed at a proper position through the first connecting piece 1 and the second connecting piece 5, then the pressure air source is connected with the pressure pipe 3, when the device is used, the pressure air source is led into the pressure pipe 3, the air source can be filled in the pressure pipe 3 under the action of the pressure air source, so that the piston rod 2 can move in an extending mode under the action of the air source, the distance between the piston rod 2 and the pressure pipe 3 can be increased, the extending state is achieved, in the extending state, the acting force applied to the pressure pipe 3 can be counteracted through the buffer mechanism 4 at the tail end of the pressure pipe 3, the phenomenon that the device is broken due to large acting force is avoided, and the buffer mechanism 4 can be fixedly connected with the second connecting column 43 through the first connecting column 41, thereby being more convenient to disassemble during maintenance.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an extend terminal buffering type self-discharging formula air spring, includes first connecting piece (1) and piston rod (2), its characterized in that: the right-hand member of first connecting piece (1) is provided with piston rod (2), first connecting piece (1) is fixed with piston rod (2) spot welding, the right-hand member of piston rod (2) is provided with pressure pipe (3), the right-hand member of pressure pipe (3) is fixed with buffer gear (4) through the thread groove rotation, the right-hand member of buffer gear (4) is provided with second connecting piece (5), the constitution of buffer gear (4) is including first spliced pole (41), buffering subassembly (42) and second spliced pole (43), the upper end of first spliced pole (41) is provided with buffering subassembly (42), the upper end of buffering subassembly (42) is provided with second spliced pole (43).

2. The extension end cushion type self-discharging gas spring according to claim 1, wherein: the buffer assembly (42) comprises a connecting plate (421), a protective cover (422), a sleeve (423), a spring assembly (424) and a support rod (425), wherein the upper end axis of the connecting plate (421) is provided with the support rod (425), the protective cover (422) is arranged on one circle of the outer side of the support rod (425), the spring assembly (424) is arranged on the upper end of the support rod (425), and the sleeve (423) is arranged on one circle of the outer side of the spring assembly (424).

3. The extension end cushion type self-discharging gas spring according to claim 1, wherein: the first connecting piece (1) and the second connecting piece (5) are both of a plate-shaped structure, and round holes are formed in the axle centers of the first connecting piece (1) and the second connecting piece (5).

4. The extension end cushion type self-discharging gas spring according to claim 1, wherein: the pressure pipe (3) is of a hollow cylinder structure, and an air source interface is arranged on one side of the surface end of the pressure pipe (3).

5. The extension end cushion type self-discharging gas spring according to claim 1, wherein: the pressure pipe (3) is fixedly sleeved with the piston rod (2).

6. The extension end cushion type self-discharging gas spring according to claim 2, wherein: the sleeve pipe (423) is of a hollow cylindrical structure, and a limiting plate is arranged on the periphery of the bottom end of the sleeve pipe (423).