CN217056117U

CN217056117U - Nitrogen spring that security performance is high

Info

Publication number: CN217056117U
Application number: CN202220870813.6U
Authority: CN
Inventors: 余文德
Original assignee: Shenzhen Datong Precision Metal Co ltd
Current assignee: Shenzhen Datong Precision Metal Co ltd
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-07-26
Anticipated expiration: 2032-04-15

Abstract

The utility model discloses a nitrogen spring with high safety performance, which comprises a shell, wherein the inner side wall of the shell is provided with a storage cavity, and the bottom of the inner side wall of the storage cavity is fixedly connected with a bottom plate; the edge of the upper surface of the bottom plate is fixedly connected with a first connecting lug. This nitrogen spring that security performance is high, through the telescopic link, the setting of spring and buffer board, the both ends of telescopic link are connected with bottom plate and buffer board through first engaging lug and second engaging lug, make the piston rod under the condition that drops if taking place, the telescopic link can be compressed through the buffer board, then under the elastic action of spring, produce a reverse effort, cushion the support to the buffer board, stability is promoted, effectually prevent that the piston rod from descending in the twinkling of an eye to the loss that causes, avoid the condition emergence that nitrogen spring became invalid in the twinkling of an eye, improve the security that nitrogen spring used, be favorable to protecting the piston rod, the life of extension piston rod.

Description

Nitrogen spring that security performance is high

Technical Field

The utility model relates to a nitrogen spring technical field, in particular to nitrogen spring that security performance is high.

Background

The nitrogen spring (for short, a die punching nitrogen spring or a nitrogen cylinder) is a novel elastic component using high-pressure nitrogen as a working medium, and has the advantages of difficult work of conventional elastic components such as a metal spring, rubber and an air cushion, simplified mold design and manufacture, convenient mold installation and adjustment, prolonged service life of the mold, and is a new generation of optimal elastic component with flexible performance.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a nitrogen spring that security performance is high, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a nitrogen spring with high safety performance comprises a shell, wherein a storage cavity is formed in the inner side wall of the shell, and a bottom plate is fixedly connected to the bottom of the inner side wall of the storage cavity; the first engaging lug of edge fixedly connected with of bottom plate upper surface, the inside of first engaging lug is rotated and is connected with the telescopic link, the surface cover of telescopic link is equipped with the spring, the one end of telescopic link is rotated and is connected with the second engaging lug, the last fixed surface of second engaging lug is connected with the buffer board, the through-hole has been seted up to the upper surface of buffer board.

In order to make and to reach the effect of being convenient for aerify, conduct the utility model relates to a nitrogen gas spring that security performance is high, the middle part fixedly connected with conveyer pipe of bottom plate lower surface, the first check valve of middle part fixedly connected with of conveyer pipe surface, the one end fixedly connected with of conveyer pipe connects.

In order to make and to reach the effect that increases space utilization, conduct the utility model relates to a nitrogen spring that security performance is high, store the top fixedly connected with roof of intracavity lateral wall, the last fixed surface of roof is connected with the cover post.

In order to make reach the effect of being convenient for to seal, conduct the utility model relates to a nitrogen spring that security performance is high, the top and the equal fixedly connected with sealing washer in bottom of cover post inside wall, the bleeder vent has been seted up at the middle part of cover post inside wall.

In order to make reach the radiating effect of being convenient for, conduct the utility model relates to a nitrogen spring that security performance is high, the interior roof of casing is close to one side fixedly connected with blast pipe of cover post, the outer fixed surface of blast pipe is connected with the second check valve.

In order to make and reach the gliding effect of being convenient for, conduct the utility model relates to a nitrogen spring that security performance is high, the inside sliding connection of sealing washer has the piston rod, the upper surface of piston rod is seted up threaded hole.

In order to make to reach the effect of being convenient for the direction, as the utility model relates to a nitrogen spring that security performance is high, the bottom fixedly connected with limiting plate of piston rod, the edge sliding connection of limiting plate surface has the guide bar, the guide bar is swing joint with the buffer board.

In order to make to reach the effect of being convenient for connect other components, as the utility model relates to a nitrogen spring that security performance is high, the lower fixed surface of casing is connected with the connecting block.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in, through the telescopic link, spring and buffer board's setting, the both ends of telescopic link are connected with bottom plate and buffer board through first engaging lug and second engaging lug, if the piston rod takes place under the condition that drops, the telescopic link can be compressed through the buffer board, then under the elastic action of spring, produce a reverse effort, cushion the support to the buffer board, stability obtains promoting, the effectual piston rod that prevents descends in the twinkling of an eye to the loss that causes, avoid the condition emergence that the nitrogen spring became invalid in the twinkling of an eye, improve the security that nitrogen spring used, be favorable to protecting the piston rod, the life of extension piston rod.

The utility model discloses in, through the conveyer pipe, the bleeder vent, the setting of blast pipe and guide bar, the conveyer pipe is used with connecting mutually supporting, can the secondary inflation, conveniently retrieve secondary operation, the heat that the piston rod slided many times and produces can be arranged to the hollow cavity at cover post surface and casing inside wall top through the bleeder vent in, along with the grow of pressure, make steam arrange to the external world through the blast pipe, thereby cool down the piston rod, when the piston rod removes, the limiting plate slides at the surface of guide bar thereupon, can carry on spacingly to the angle that it removed, avoid taking place the phenomenon of slope, stability obtains promoting.

Drawings

Fig. 1 is a schematic front view of a nitrogen spring with high safety performance in embodiment 1 of the present invention;

fig. 2 is a schematic sectional plan view of a nitrogen spring with high safety performance according to embodiment 1 of the present invention;

fig. 3 is a schematic view of a telescopic rod structure of a nitrogen spring with high safety performance in embodiment 1 of the present invention;

fig. 4 is a schematic view of the internal structure of the housing of the nitrogen spring with high safety performance according to embodiment 1 of the present invention;

fig. 5 is an installation schematic diagram of the connection block structure in embodiment 2 of the present invention.

In the figure: 1. a housing; 2. a storage chamber; 3. a base plate; 4. a first connecting lug; 5. a telescopic rod; 6. a spring; 7. a second engaging lug; 8. a buffer plate; 9. a through hole; 10. a delivery pipe; 11. a first check valve; 12. a joint; 13. a top plate; 14. sleeving a column; 15. a seal ring; 16. air holes are formed; 17. an exhaust pipe; 18. a second check valve; 19. a piston rod; 20. a threaded hole; 21. a limiting plate; 22. a guide rod; 23. and (7) connecting the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Example 1

As shown in fig. 1-4, a nitrogen spring with high safety performance comprises a housing 1, wherein a storage cavity 2 is formed in the inner side wall of the housing 1, and a bottom plate 3 is fixedly connected to the bottom of the inner side wall of the storage cavity 2;

in this embodiment, the first engaging lug 4 of edge fixedly connected with of bottom plate 3 upper surface, the inside of first engaging lug 4 is rotated and is connected with telescopic link 5, and the surface cover of telescopic link 5 is equipped with spring 6, and the one end of telescopic link 5 is rotated and is connected with second engaging lug 7, and the last fixed surface of second engaging lug 7 is connected with buffer board 8, and through-hole 9 has been seted up to buffer board 8's upper surface.

When the nitrogen spring is used, the storage cavity 2 is formed in the shell 1 and used for storing nitrogen, a good auxiliary effect can be achieved in the process of the nitrogen spring, the bottom plate 3 divides the storage cavity 2 into two using spaces, the utilization rate of the spaces is increased, the using functionality of the nitrogen spring is enhanced, the use is convenient, two ends of the telescopic rod 5 are connected with the bottom plate 3 and the buffer plate 8 through the first connecting lugs 4 and the second connecting lugs 7, the telescopic rod 5 can be compressed through the buffer plate 8 if the piston rod 19 drops, then a reverse acting force is generated under the elastic action of the spring 6 to buffer and support the buffer plate 8, the stability is improved, the loss caused by the instant drop of the piston rod 19 is effectively prevented, the instant failure of the nitrogen spring is avoided, and the use safety of the nitrogen spring is improved, the piston rod 19 is protected, the service life of the piston rod 19 is prolonged, and the through hole 9 is convenient for the conveying pipe 10 to convey nitrogen to the inside of the storage cavity 2.

In this embodiment, a delivery pipe 10 is fixedly connected to the middle of the lower surface of the base plate 3, a first check valve 11 is fixedly connected to the middle of the outer surface of the delivery pipe 10, and a joint 12 is fixedly connected to one end of the delivery pipe 10.

During the specific use, through the setting of conveyer pipe 10, the first check valve 11 of the fixed surface of conveyer pipe 10 is connected with makes conveyer pipe 10 only aerify to storing 2 insides in chamber, can't exhaust, connects 12 and is convenient for connect outside inflation equipment, and the practicality is high, can the secondary inflation, conveniently retrieves secondary operation, product long service life.

In this embodiment, a top plate 13 is fixedly connected to the top of the inner side wall of the storage cavity 2, and a sleeve pillar 14 is fixedly connected to the upper surface of the top plate 13.

During the specific use, through the setting of roof 13, roof 13 and the mutual cooperation of cover post 14 use form a cavity, the storage of the heat that the piston rod 19 friction of being convenient for produced has increaseed the extensibility of device.

In this embodiment, the top and the bottom of the inner side wall of the sleeve column 14 are both fixedly connected with a sealing ring 15, and the middle of the inner side wall of the sleeve column 14 is provided with an air hole 16.

When the novel air-tight sleeve is used specifically, the sealing performance of the piston rod 19 connected with the shell 1 is improved through the arrangement of the sealing rings 15, dust is prevented from entering, air leakage is prevented, the outer surface of the sleeve column 14 is provided with the plurality of air holes 16, when the piston rod 19 slides for multiple times, heat generated by friction can be discharged through the air holes 16, meanwhile, the two sealing rings 15 are fixed at the top and the bottom of the inner side surface of the sleeve column 14, nitrogen in the storage cavity 2 is prevented from being discharged through the air holes 16, and the novel air-tight sleeve is safer to use.

In this embodiment, an exhaust pipe 17 is fixedly connected to one side of the inner top wall of the casing 1 close to the stem 14, and a second check valve 18 is fixedly connected to the outer surface of the exhaust pipe 17.

During specific use, through the setting of blast pipe 17, when the cavity between set post 14 and the casing 1 medial surface got into steam, internal pressure can the grow to make steam arrange to the external world through blast pipe 17, thereby cool down piston rod 19, second check valve 18 makes blast pipe 17 can only exhaust and can't admit air, avoids outside dust to get into.

In the present embodiment, a piston rod 19 is slidably connected to the inside of the packing 15, and a threaded hole 20 is opened in the upper surface of the piston rod 19.

During specific use, through the setting of piston rod 19, screw hole 20 is seted up to the upper surface of piston rod 19, conveniently connects external element, convenient to use.

In this embodiment, the bottom of the piston rod 19 is fixedly connected with a limiting plate 21, the edge of the outer surface of the limiting plate 21 is slidably connected with a guide rod 22, and the guide rod 22 is movably connected with the buffer plate 8.

During the specific use, through the setting of limiting plate 21 and guide bar 22, limiting plate 21 is spacing to piston rod 19's shift position, avoid surpassing application range, guarantee normal use, guide bar 22 is fixed between bottom plate 3 and roof 13, be sliding connection with buffer board 8 and limiting plate 21, when piston rod 19 removed, limiting plate 21 slided at guide bar 22's surface thereupon, can carry on spacingly to the angle that it removed, avoid taking place the phenomenon of slope, stability obtains promoting.

Working principle; the joint 12 is connected with an external inflating device, the external inflating device is inflated through the conveying pipe 10, the conveying pipe 10 can only be inflated through the first check valve 11 and cannot exhaust air, the through hole 9 is convenient for conveying the conveying pipe 10 to the inside of the storage cavity 2 to convey nitrogen, two ends of the telescopic rod 5 are connected with the bottom plate 3 and the buffer plate 8 through the first connecting lug 4 and the second connecting lug 7, so that the telescopic rod 5 can be compressed through the buffer plate 8 if the piston rod 19 falls, then the buffer plate 8 is buffered and supported under the elastic action of the spring 6, the loss caused by the instantaneous falling of the piston rod 19 is prevented, the moving position of the piston rod 19 is limited by the limiting plate 21, when the piston rod 19 moves, the limiting plate 21 slides on the outer surface of the guide rod 22 along with the outer surface of the guide rod, the phenomenon of inclination is avoided, the sealing performance of the connection between the piston rod 19 and the shell 1 is improved through the sealing ring 15, heat generated by the multiple sliding friction of the piston rod 19 is exhausted through the air holes 16, along with the increase of internal pressure, make steam pass through blast pipe 17 and arrange to the external world to cooling piston rod 19, second check valve 18 makes blast pipe 17 can only exhaust unable admission, avoids outside dust to get into.

Example 2

As shown in fig. 5, the distinguishing features of this embodiment that distinguish embodiment 1 are: the lower surface of the shell 1 is fixedly connected with a connecting block 23.

During the specific use, through connecting block 23's setting, connecting block 23 fixes at the lower surface of casing 1, can make casing 1 connect other components through connecting block 23, increases the extensibility of device.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a nitrogen gas spring that security performance is high, includes casing (1), its characterized in that: a storage cavity (2) is formed in the inner side wall of the shell (1), and the bottom of the inner side wall of the storage cavity (2) is fixedly connected with a bottom plate (3);

the utility model discloses a buffer board, including bottom plate (3), the inside of first engaging lug of edge fixedly connected with (4) of bottom plate (3) upper surface, the inside of first engaging lug (4) is rotated and is connected with telescopic link (5), the surface cover of telescopic link (5) is equipped with spring (6), the one end of telescopic link (5) is rotated and is connected with second engaging lug (7), the last fixed surface of second engaging lug (7) is connected with buffer board (8), through-hole (9) have been seted up to the upper surface of buffer board (8).

2. A high safety nitrogen spring as claimed in claim 1, wherein: the middle part fixedly connected with conveyer pipe (10) of bottom plate (3) lower surface, the middle part fixedly connected with first check valve (11) of conveyer pipe (10) surface, the one end fixedly connected with of conveyer pipe (10) connects (12).

3. A high safety nitrogen spring as claimed in claim 1, wherein: the top of storing chamber (2) inside wall fixedly connected with roof (13), the last fixed surface of roof (13) is connected with set post (14).

4. A high safety nitrogen spring as claimed in claim 3, wherein: the top and the bottom of the inner side wall of the sleeve column (14) are fixedly connected with a sealing ring (15), and the middle of the inner side wall of the sleeve column (14) is provided with a vent hole (16).

5. A nitrogen spring of high safety as claimed in claim 1, wherein: one side fixedly connected with blast pipe (17) that the interior roof of casing (1) is close to set post (14), the external fixed surface of blast pipe (17) is connected with second check valve (18).

6. A high safety nitrogen spring as claimed in claim 4, wherein: the inner portion of the sealing ring (15) is connected with a piston rod (19) in a sliding mode, and a threaded hole (20) is formed in the upper surface of the piston rod (19).

7. A high safety nitrogen spring as claimed in claim 6, wherein: the bottom fixedly connected with limiting plate (21) of piston rod (19), the edge sliding connection of limiting plate (21) surface has guide bar (22), guide bar (22) are swing joint with buffer board (8).

8. A high safety nitrogen spring as claimed in claim 1, wherein: the lower surface fixed connection of casing (1) has connecting block (23).