CN218780686U

CN218780686U - Long service life's nitrogen gas spring

Info

Publication number: CN218780686U
Application number: CN202223115267.4U
Authority: CN
Inventors: 杭飞鹏; 张俊; 王博语; 张静
Original assignee: Jiangsu Naimaxin Precision Machinery Co ltd
Current assignee: Jiangsu Naimaxin Precision Machinery Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-03-31
Anticipated expiration: 2032-11-23

Abstract

The utility model discloses a long service life's nitrogen spring, include: the cylinder comprises a cylinder body, a cylinder cover, a piston rod, an inflation inlet, a sealing plug and a buffering mechanism, wherein the cylinder cover is fixedly connected to the top of the cylinder body through a bolt, the piston is slidably connected to the inside of the cylinder body, and the piston rod is fixedly connected to the center of the top of the piston. When the piston rod downstream, can drive the horizontal pole, first dead lever and annular piece downstream, extrude first buffering cover spring simultaneously and cushion, drive the connecting block by the annular piece simultaneously, the connecting plate downstream, compression telescopic link and second buffering cover spring cushion simultaneously, thereby can effectively disperse the pressure that nitrogen spring inner structure received, effectively reduce the possibility that nitrogen spring inner structure damaged, simultaneously can carry out the guide effect to the piston rod, improve the partial load guidance quality of piston rod, thereby greatly improved nitrogen spring's life.

Description

Long service life's nitrogen gas spring

Technical Field

The utility model relates to a nitrogen spring technical field specifically is a long service life's nitrogen spring.

Background

The nitrogen spring is a novel elastic component using high-pressure nitrogen as a working medium, has small volume, large elasticity, long stroke, stable work, precise manufacture, gentle elastic curve, no need of pre-tightening and the like, has the work which is difficult to finish by conventional elastic components such as metal springs, rubber, air cushions and the like, simplifies the design and manufacture of a die, is convenient for die installation and adjustment, ensures the stability of product quality, can also be designed into a nitrogen spring system to participate in the work as a part of the die, can conveniently realize constant pressure and delayed action in the system, and is a new generation of most ideal elastic component with flexible performance.

Among the prior art, like the patent that application number is CN201921027389.3, the utility model relates to a nitrogen spring technical field, especially a nitrogen spring is with installation device. The mounting device for the nitrogen spring comprises a mounting seat, wherein an inwards concave mounting groove is formed in the inner side of the mounting seat, a nitrogen spring body is placed in the mounting groove, the middle of a pressing plate is a hole with the diameter larger than 0.5-1mm of an extension bar of the nitrogen spring body, the middle of the pressing plate is pressed on a step-shaped structure in the middle of the nitrogen spring body, and a locking bolt penetrates through a through hole in the pressing plate and then is screwed into a screw hole in the top of the mounting seat. This kind of installation device for nitrogen gas spring is when using, can be quick install fixed to the nitrogen gas spring to the fastness of installation fixed is good, and stability is good, and the condition that the nitrogen gas spring rocked can not appear when using, has improved the accuracy of mould in process of production, has improved the yields of product, satisfies the user demand.

However, in use, the above patents have the following drawbacks: above-mentioned nitrogen spring does not have fine buffering and protection when using, and long-time pressure can cause the damage to nitrogen spring like this in the use, has shortened nitrogen spring's life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a long service life's nitrogen spring to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a long life nitrogen spring comprising:

the top of the cylinder body is fixedly connected with a cylinder cover through a bolt;

the piston is connected inside the cylinder body in a sliding mode, a piston rod is fixedly connected to the center of the top of the piston, and the top of the piston rod penetrates through the cylinder cover and extends to the outside of the cylinder cover;

the center of the bottom of the cylinder body is provided with an inflation inlet;

buffer gear, the surface of cylinder body is provided with buffer gear, buffer gear includes the bottom plate, founds seat, recess, telescopic link, connecting plate, connecting block, annular piece, first dead lever, horizontal pole, cover block and second dead lever, the bottom fixedly connected with bottom plate on cylinder body surface, the top outside equidistance of bottom plate encircles the three seat that founds of fixedly connected with, found one side that the seat is close to the cylinder body and seted up flutedly, the bottom fixedly connected with telescopic link of recess inner wall, the top fixedly connected with connecting plate of telescopic link, one side that the connecting plate is close to the cylinder body runs through the recess and extends to the outside of recess, one side fixedly connected with connecting block of recess is kept away from at the connecting plate top, the top and the annular piece fixed connection of connecting block, five first dead levers of fixedly connected with are encircleed to the top equidistance of annular piece, the top fixedly connected with horizontal pole of first dead lever, the horizontal pole is close to the one end and the piston rod fixed connection of piston rod, the surperficial bottom sliding connection of first dead lever has the cover block, one side fixedly connected with second dead lever that the cover block is close to the cylinder body.

Furthermore, the piston rod is movably connected with the cylinder cover.

Furthermore, a sealing plug is connected to the inflation inlet in a threaded manner.

Furthermore, the connecting plate is movably connected with the groove.

Furthermore, one end, far away from the sleeve block, of the second fixing rod is fixedly connected with the cylinder body.

Furthermore, a first buffer spring sleeve is sleeved on the top of the surface of the first fixing rod.

Furthermore, a second buffer spring sleeve is sleeved on the surface of the telescopic rod.

Compared with the prior art, the beneficial effects of the utility model are as follows:

when the piston rod downstream, can drive the horizontal pole, first dead lever and annular piece downstream, extrude first buffering cover spring simultaneously and cushion, drive the connecting block by the annular piece simultaneously, the connecting plate downstream, compression telescopic link and second buffering cover spring cushion simultaneously, thereby can effectively disperse the pressure that nitrogen spring inner structure received, effectively reduce the possibility that nitrogen spring inner structure damaged, simultaneously can carry out the guide effect to the piston rod, improve the partial load guidance quality of piston rod, thereby nitrogen spring's life has greatly been improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the fixing base of the present invention;

fig. 3 is a structural section view of the cylinder body of the present invention.

In the figure: 1. a cylinder body; 2. a cylinder cover; 3. a piston; 4. a piston rod; 5. an inflation inlet; 6. a sealing plug; 7. a buffer mechanism; 701. a base plate; 702. a vertical seat; 703. a groove; 704. a telescopic rod; 705. a connecting plate; 706. connecting blocks; 707. an annular block; 708. a first fixing lever; 709. a cross bar; 710. sleeving a block; 711. a second fixing bar; 712. a first cushion wrap spring; 713. and a second buffer sleeve spring.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, a long life nitrogen spring includes: cylinder 1, cylinder cap 2, piston 3, piston rod 4, inflation inlet 5, sealing plug 6, buffer gear 7, there is cylinder cap 2 at the top of cylinder 1 through bolt fixedly connected with, the inside sliding connection of cylinder 1 has piston 3, top center fixedly connected with piston rod 4 of piston 3, the top of piston rod 4 runs through cylinder cap 2 and extends to the outside of cylinder cap 2, inflation inlet 5 has been seted up at the bottom center of cylinder 1, the surface of cylinder 1 is provided with buffer gear 7, buffer gear 7 includes bottom plate 701, stand 702, recess 703, telescopic link 704, connecting plate 705, connecting block 706, ring block 707, first dead lever 708, horizontal pole 709, pocket 710 and second dead lever 711, the bottom fixedly connected with bottom plate 701 on cylinder 1 surface, the top outside of bottom plate 701 is equidistant around three stands 702 fixedly connected with, recess 703 is seted up on the side that stand 702 is close to cylinder 1, the bottom fixedly connected with telescopic link 704 on the inner wall of recess 703, the top fixedly connected with connecting plate 704 of telescopic link, one side that connecting plate 705 is close to cylinder 1 runs through the recess 701 and extends to the outside of recess 703, one side of connecting plate 708 is connected with ring block 706, the top fixedly connected with connecting block 706, the top fixedly connected with piston rod 708 of piston rod 706, the first dead lever 706 is close to the top fixedly connected with ring block 710 of piston rod 706, the first dead lever of piston rod 706, the piston rod 706.

In the specific implementation, the piston rod 4 is movably connected with the cylinder cover 2.

In the specific implementation, the air charging port 5 is connected with a sealing plug 6 in a threaded manner.

In practical application, the connecting plate 705 is movably connected with the groove 703.

In practical application, one end of the second fixing rod 711 far away from the sleeve block 710 is fixedly connected with the cylinder body 1.

In specific implementation, a first buffer spring 712 is sleeved on the top of the surface of the first fixing rod 708.

In practical implementation, the surface of the telescopic rod 704 is sleeved with a second buffer spring 713.

All parts in the utility model are general standard components or the parts that technical staff in this field knows, its structure and principle all can be known or can be learned through conventional experimental methods through the technical manual for this technical staff, the standard part that uses in this application file all can purchase from the market simultaneously, each part can all be customized according to the record of description and drawing in this application file, the concrete connected mode of each part all adopts conventional means such as mature bolt, rivet, welding in the prior art, machinery, part and equipment all adopt conventional model in the prior art, the control mode is come automatic control through the controller, the control circuit of controller can be realized through the simple programming of technical staff in this field, belong to the common general knowledge in this field, and this application file mainly is used for protecting mechanical device, so this application file no longer explains control mode and circuit connection in detail, no specific description is made here.

The working principle is as follows: when piston rod 4 downstream, can drive horizontal pole 709, first dead lever 708 and annular piece 707 downstream, extrude first buffering cover spring 712 simultaneously and cushion, drive connecting block 706 by annular piece 707 simultaneously, connecting plate 705 downstream, compress telescopic link 704 simultaneously and second buffering cover spring 713 and cushion, thereby can effectively disperse the pressure that nitrogen spring inner structure received, effectively reduce the possibility that nitrogen spring inner structure damaged, simultaneously can carry out the guide effect to piston rod 4, improve piston rod 4's unbalance loading guidance quality, thereby greatly improved nitrogen spring's life

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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. A long life nitrogen spring, comprising:

the top of the cylinder body (1) is fixedly connected with a cylinder cover (2) through a bolt;

the piston (3) is connected to the inside of the cylinder body (1) in a sliding mode, a piston rod (4) is fixedly connected to the center of the top of the piston (3), and the top of the piston rod (4) penetrates through the cylinder cover (2) and extends to the outside of the cylinder cover (2);

the inflation inlet (5) is formed in the center of the bottom of the cylinder body (1);

the damping mechanism (7) is arranged on the surface of the cylinder body (1), the damping mechanism (7) comprises a bottom plate (701), vertical seats (702), grooves (703), expansion rods (704), a connecting plate (705), connecting blocks (706), annular blocks (707), first fixing rods (708), cross rods (709), sleeve blocks (710) and second fixing rods (711), the bottom of the surface of the cylinder body (1) is fixedly connected with the bottom plate (701), the outer sides of the top of the bottom plate (701) are fixedly connected with three vertical seats (702) in an equidistant surrounding manner, one side, close to the cylinder body (1), of each vertical seat (702) is provided with the groove (703), the bottom of the inner wall of each groove (703) is fixedly connected with the expansion rod (704), the top of each expansion rod (704) is fixedly connected with the connecting plate (705), one side, close to the cylinder body (1), of each connecting plate (705) penetrates through the grooves (703) and extends to the outside of the grooves (703), one side, far away from the top of each groove (703) of each connecting plate (705) is fixedly connected with the connecting blocks (706), the top of each connecting plate (706) is fixedly connected with the annular block (707), the top of each annular block (707) is fixedly connected with the connecting blocks (707) in an equidistant surrounding manner, the first fixing rods (707), the top fixedly connected with horizontal pole (709) of first dead lever (708), the one end and the piston rod (4) fixed connection that horizontal pole (709) are close to piston rod (4), the surperficial bottom sliding connection of first dead lever (708) has a nested piece (710), one side fixedly connected with second dead lever (711) that nested piece (710) are close to cylinder body (1).

2. A long life nitrogen spring as claimed in claim 1, wherein: the piston rod (4) is movably connected with the cylinder cover (2).

3. A long life nitrogen spring as claimed in claim 1, wherein: the inflation inlet (5) is connected with a sealing plug (6) in a threaded manner.

4. A long life nitrogen spring as claimed in claim 1, wherein: the connecting plate (705) is movably connected with the groove (703).

5. A long-life nitrogen spring as claimed in claim 1, wherein: one end, far away from the sleeve block (710), of the second fixing rod (711) is fixedly connected with the cylinder body (1).

6. A long life nitrogen spring as claimed in claim 1, wherein: the top of the surface of the first fixed rod (708) is sleeved with a first buffer sleeve spring (712).

7. A long life nitrogen spring as claimed in claim 1, wherein: the surface of the telescopic rod (704) is sleeved with a second buffer spring sleeve (713).