CN216895509U

CN216895509U - Nitrogen spring fast dispels heat

Info

Publication number: CN216895509U
Application number: CN202220396466.8U
Authority: CN
Inventors: 沈飞; 阚星辉
Original assignee: Wuxi Kaside Metal Technology Co ltd
Current assignee: Wuxi Kaside Metal Technology Co ltd
Priority date: 2022-02-26
Filing date: 2022-02-26
Publication date: 2022-07-05
Anticipated expiration: 2032-02-26

Abstract

The utility model discloses a rapid heat dissipation nitrogen spring which comprises a shell, wherein a nitrogen cavity is formed in the lower side of the shell, a guide shaft is fixedly connected to the upper side in the nitrogen cavity, a heat insulation ring is fixedly connected to the upper side in the guide shaft, a compression ring is connected in a sliding manner in a cooling cavity, the cooling cavity is formed in the upper side of the shell, liquid guide pipes are respectively and fixedly connected to the periphery of the cooling cavity, the lower ends of the four liquid guide pipes are respectively and fixedly connected to the upper ends of four groups of cooling boxes, the lower end of a material ejecting plate is fixedly connected with a spring, and the lower end of the spring is fixedly connected to the lower end in the cooling boxes; through the clamping ring along cooling chamber downstream, will carry the intraductal entering to the cooling box of thermal coolant liquid through the drain, the liftout board is along cooling box downstream and compression spring, and the coolant liquid dispels the heat to the piston rod once more, and the coolant liquid round trip movement in cooling chamber and cooling box plays the quick cooling to the piston rod, improves nitrogen spring's life.

Description

Nitrogen spring fast dispels heat

Technical Field

The utility model relates to the technical field of nitrogen springs, in particular to a rapid heat dissipation nitrogen spring.

Background

The nitrogen spring is a novel elastic component using high-pressure nitrogen as a working medium, has the advantages of small volume, large elasticity, long stroke, stable work, precise manufacture, long service life (one million times), gentle elasticity curve, no need of pre-tightening and the like, has the performance of simplifying the design and manufacture of a die and facilitating the installation and adjustment of the die, and is difficult to complete the work of conventional elastic components such as a metal spring, rubber, an air cushion and the like.

Chinese patent like application number CN201720352818.9, it discloses a novel guide structure's nitrogen spring, including the nitrogen spring body, its characterized in that, the nitrogen spring body include one end open-ended nitrogen spring cylinder and plunger rod, the nitrogen spring cylinder include cylinder and stifle, the inside nitrogen gas chamber that holds nitrogen gas that is equipped with of nitrogen spring cylinder, nitrogen spring cylinder upper end opening part inner wall be equipped with the uide bushing.

However, the above scheme has the following disadvantages: a piston rod in the nitrogen spring can generate high heat after long-time reciprocating motion, the heat is gathered on the piston rod and cannot be dissipated, the aging of the piston rod is easy to accelerate, and the service life of the nitrogen spring is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rapid heat dissipation nitrogen spring to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a nitrogen spring fast dispels heat, includes the casing, the nitrogen chamber has been seted up in the casing downside, upside fixedly connected with guide shaft in the nitrogen chamber, upside fixedly connected with heat insulating ring in the guide shaft, downside difference fixedly connected with lubricating ring and rubber seal circle in the guide shaft, the sliding connection has the piston rod in the guide shaft, piston rod upside fixedly connected with clamping ring, the clamping ring sliding connection is in the cooling chamber, the cooling chamber is seted up in the casing upside, the cooling chamber is interior fixedly connected with catheter, four groups respectively all around catheter lower extreme difference fixed connection is in four cooling box upper ends, four groups cooling box difference fixed connection is around the casing outside, the sliding connection has the kicking plate in the cooling box, kicking plate lower extreme fixedly connected with spring, spring lower extreme fixed connection is in the cooling box lower extreme.

The utility model discloses a set up the casing, including casing lower extreme, L type air inlet chamber, one-way pneumatic valve, nitrogen gas and liquid guide pipe, set up the L type air inlet chamber in the casing lower extreme, L type air inlet chamber right-hand member fixedly connected with one-way pneumatic valve can aerify to the L type air inlet intracavity through one-way pneumatic valve, and nitrogen gas enters into to the nitrogen gas intracavity through the L type air inlet chamber this moment, and under the restriction effect of one-way pneumatic valve, nitrogen gas can not go out from the nitrogen gas intracavity simultaneously, the liquid guide pipe is the setting of L type, the piston rod is T type, casing lower extreme fixedly connected with fixed plate, the spiro union has the screw rod in the fixed plate upper end all around.

The upper end of the piston rod extends out of the shell and is fixedly connected with a connecting plate, through holes are formed in the periphery of the upper end of the connecting plate respectively, the fixing plate is installed on the table board through four groups of screw rods, and the connecting plate is installed on equipment through bolts penetrating through the through holes.

And a sealing gasket is adhered to the outer side of the ejector plate, and cooling liquid is arranged in the cooling cavity.

The cooling pad can prevent the cooling liquid from entering the lower side of the ejector plate, and the spring connected with the lower end of the ejector plate is damaged.

Compared with the prior art, the utility model has the beneficial effects that: through the clamping ring along cooling chamber downstream, the coolant liquid that will carry heat gets into to the cooler bin in through leading the drain pipe, the liftout board is along cooler bin downstream and compression spring, catheter and cooler bin are the brass material, the coolant liquid distributes away the heat in the cooler bin, when piston rod upward movement and when driving clamping ring synchronous motion, liftout board upward movement under the spring action of spring this moment, the coolant liquid dispels the heat to the piston rod once more, the coolant liquid round trip movement in cooler bin and cooler bin, play the quick cooling to the piston rod, improve nitrogen spring's life.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

fig. 3 is a schematic front view of the present invention.

In the figure: 1. a housing; 2. a catheter; 3. a material ejecting plate; 4. a gasket; 5. a cooling tank; 6. a spring; 7. a one-way air valve; 8. an L-shaped air inlet cavity; 9. a piston rod; 10. a nitrogen chamber; 11. a guide shaft; 12. pressing a ring; 13. a connecting plate; 14. a through hole; 15. a cooling chamber; 16. a heat insulation ring; 17. a lubricating ring; 18. a rubber seal ring; 19. a fixing plate; 20. a screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a nitrogen spring capable of dissipating heat quickly comprises a shell 1, wherein a nitrogen cavity 10 is formed in the lower side of the shell 1, a guide shaft 11 is fixedly connected to the inner upper side of the nitrogen cavity 10, a heat insulation ring 16 is fixedly connected to the inner upper side of the guide shaft 11, a lubricating ring 17 and a rubber sealing ring 18 are fixedly connected to the inner middle lower side of the guide shaft 11 respectively, a piston rod 9 is connected to the inner side of the guide shaft 11 in a sliding manner, a pressing ring 12 is fixedly connected to the upper side of the piston rod 9, the pressing ring 12 is connected to the inner side of a cooling cavity 15 in a sliding manner, the cooling cavity 15 is arranged in the upper side of the shell 1, liquid guide pipes 2 are fixedly connected to the inner sides of the periphery of the cooling cavity 15 respectively, the lower ends of the four liquid guide pipes 2 are fixedly connected to the upper ends of four groups of cooling boxes 5 respectively, the four groups of cooling boxes 5 are fixedly connected to the outer periphery of the shell 1 respectively, a jacking plate 3 is connected to the inner side of the jacking plate 3, and a spring 6 is fixedly connected to the lower end of the jacking plate 3, the lower end of the spring 6 is fixedly connected with the inner lower end of the cooling box 5.

An L-shaped air inlet cavity 8 is formed in the lower end of the shell 1, a one-way air valve 7 is fixedly connected to the right end of the L-shaped air inlet cavity 8, the L-shaped air inlet cavity 8 can be inflated through the one-way air valve 7, nitrogen enters the nitrogen cavity 10 through the L-shaped air inlet cavity 8 at the moment, and meanwhile, under the limiting effect of the one-way air valve 7, the nitrogen cannot go out of the nitrogen cavity 10.

The upper end of the piston rod 9 extends out of the shell 1 and is fixedly connected with a connecting plate 13, through holes 14 are formed in the periphery of the upper end of the connecting plate 13 respectively, the fixing plate 19 is installed on the table top through four groups of screw rods 20, and the connecting plate 13 is installed on equipment through bolts penetrating through the through holes 14.

The lower end of the shell 1 is fixedly connected with a fixing plate 19, screw rods 20 are screwed on the periphery of the upper end of the fixing plate 19, the fixing plate 19 is installed on a table board through four groups of screw rods 20, a connecting plate 13 is installed on equipment through a bolt penetrating through a through hole 14, the L-shaped air inlet cavity 8 can be inflated through the one-way air valve 7, nitrogen enters the nitrogen cavity 10 through the L-shaped air inlet cavity 8 at the moment, and meanwhile, under the limiting effect of the one-way air valve 7, the nitrogen cannot go out of the nitrogen cavity 10.

The outside of the ejector plate 3 is pasted with a sealing gasket 4, a cooling liquid is arranged in the cooling cavity 15, and the sealing gasket 4 can prevent the cooling liquid from entering the lower side of the ejector plate 3 and causing the damage of the spring 6 connected with the lower end of the ejector plate 3.

Catheter 2 is the setting of L type, piston rod 9 is the setting of T type, and the clamping ring 12 that is located the connection of piston rod 9 upside moves along cooling chamber 15 downstream, because piston rod 9 can produce the heat after long-time reciprocating motion, is located the heat on the piston rod 9 and is adsorbed by the coolant liquid, and under the extrusion of clamping ring 12 this moment, the coolant liquid that carries with the heat is crowded to catheter 2 in, gets into to the cooler bin 5 through catheter 2 again.

Specifically, when the device is used, the fixing plate 19 is installed on a table board through four groups of screws 20, the connecting plate 13 is installed on the device through the bolts penetrating through the through holes 14, the one-way air valve 7 can charge air into the L-shaped air inlet cavity 8, at the moment, nitrogen enters the nitrogen cavity 10 through the L-shaped air inlet cavity 8, and at the same time, under the limiting action of the one-way air valve 7, nitrogen cannot go out of the nitrogen cavity 10, when the piston rod 9 moves downwards along the guide shaft 11, nitrogen in the nitrogen cavity 10 is compressed, the pressing ring 12 connected to the upper side of the piston rod 9 moves downwards along the cooling cavity 15, as the piston rod 9 generates heat after reciprocating for a long time, the heat on the piston rod 9 is absorbed by the cooling liquid, at the moment, under the extrusion of the pressing ring 12, the cooling liquid carrying the heat is extruded into the liquid guide tube 2 and then enters the cooling box 5 through the liquid guide tube 2, the pressure of the cooling liquid is higher under the extrusion of the compression ring 12;

at this moment, ejector plate 3 moves downwards along cooling box 5 under the extrusion of coolant liquid, spring 6 is compressed this moment, because catheter 2 and cooling box 5 are the brass material, the coolant liquid distributes away the heat in cooling box 5 this moment, when piston rod 9 upward movement and during driving clamping ring 12 synchronous motion, ejector plate 3 upward movement under spring 6's elastic force effect this moment, the coolant liquid that is located cooling box 5 this moment enters into cooling chamber 15 once more through catheter 2, the coolant liquid dispels the heat to piston rod 9 once more this moment, the coolant liquid round trip movement in cooling chamber 15 and cooling box 5 plays the quick cooling to piston rod 9.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a quick heat dissipation nitrogen gas spring, includes casing (1), its characterized in that: a nitrogen cavity (10) is formed in the lower side of the shell (1), a guide shaft (11) is fixedly connected to the inner upper side of the nitrogen cavity (10), a heat insulation ring (16) is fixedly connected to the inner upper side of the guide shaft (11), a lubricating ring (17) and a rubber sealing ring (18) are respectively fixedly connected to the inner middle lower side of the guide shaft (11), a piston rod (9) is connected to the inner sliding side of the guide shaft (11), a pressing ring (12) is fixedly connected to the upper side of the piston rod (9), the pressing ring (12) is connected to the inner sliding side of the cooling cavity (15), the cooling cavity (15) is formed in the upper side of the shell (1), liquid guide pipes (2) are respectively fixedly connected to the periphery of the cooling cavity (15), the lower ends of the four liquid guide pipes (2) are respectively fixedly connected to the upper ends of the four groups of cooling boxes (5), and the four groups of cooling boxes (5) are respectively fixedly connected to the periphery of the outer side of the shell (1), the cooling box (5) is internally connected with a jacking plate (3) in a sliding mode, the lower end of the jacking plate (3) is fixedly connected with a spring (6), and the lower end of the spring (6) is fixedly connected to the lower end of the cooling box (5).

2. The rapid heat dissipation nitrogen spring according to claim 1, wherein: an L-shaped air inlet cavity (8) is formed in the lower end of the shell (1), and a one-way air valve (7) is fixedly connected to the right end of the L-shaped air inlet cavity (8).

3. The rapid heat dissipation nitrogen spring according to claim 1, wherein: the upper end of the piston rod (9) extends out of the shell (1) and then is fixedly connected with a connecting plate (13), and through holes (14) are formed in the periphery of the upper end of the connecting plate (13) respectively.

4. The rapid heat dissipation nitrogen spring according to claim 1, wherein: the lower end of the shell (1) is fixedly connected with a fixing plate (19), and screw rods (20) are screwed in the periphery of the upper end of the fixing plate (19).

5. The rapid heat dissipation nitrogen spring according to claim 1, wherein: and a sealing gasket (4) is adhered to the outer side of the ejector plate (3), and cooling liquid is arranged in the cooling cavity (15).

6. The rapid heat dissipation nitrogen spring according to claim 1, wherein: the liquid guide pipe (2) is arranged in an L shape, and the piston rod (9) is arranged in a T shape.