CN213685065U

CN213685065U - Small-size nitrogen spring jump ring structure

Info

Publication number: CN213685065U
Application number: CN202022611178.3U
Authority: CN
Inventors: 张栋; 杜祥森; 吕立福
Original assignee: Jiangsu Jigu Precision Machinery Technology Co ltd
Current assignee: Jiangsu Jigu Precision Machinery Technology Co ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-07-13
Anticipated expiration: 2030-11-12

Abstract

The utility model discloses a small-size nitrogen spring jump ring structure, including piston rod and cylinder body, the inside nitrogen gas storage chamber that is equipped with of cylinder body, the outer pot head of piston rod is equipped with the upper end cover, the upper end cover with the joint is connected between the cylinder body, the upper end cover endotheca is equipped with the uide bushing, the piston rod cover is established in the uide bushing, piston rod one end extends to in the cylinder body, just the piston rod other end extends to cylinder body outer wall, the interior pot head of piston rod is equipped with supports the cover. Has the advantages that: the upper end cover is equipped with sealing mechanism with cylinder body outer wall junction, when making its both connect the installation, the junction is more sealed, avoids producing gas leakage between the same, and the inside amortization mechanism that is equipped with of cylinder body absorbs the sound that the during operation, between the friction produced, makes its during operation device quieter.

Description

Small-size nitrogen spring jump ring structure

Technical Field

The utility model relates to a nitrogen spring field particularly, relates to a small-size nitrogen spring jump ring structure.

Background

The nitrogen spring is a component with elastic function, it seals the high-pressure nitrogen in the definite container, the external force compresses the nitrogen through the plunger rod, when the external force is removed, it is expanded by the high-pressure nitrogen to obtain a certain elastic pressure, this component is called nitrogen cylinder or gas spring, abbreviated as nitrogen spring, it is the upgrade and upgrade of the conventional coil spring, it is the high-tech content, home-made substitute product too. In the mold industry, conventional elastic elements include springs, rubbers and air cushions, which are widely used in the industrial field, solve the need of various elastic energy storage and play a role in the application. The nitrogen spring has the characteristics of small volume, large elasticity, long service life and constant elastic pressure. The volume is small, the die space can be saved, the spring quantity can be reduced due to large elasticity, the maintenance frequency of the die can be reduced due to long service life, the total cost of the die is reduced, and the spring is widely applied to the die. The piston sleeve outside of piston rod is located to the jump ring structure of current nitrogen gas spring for the installation of nitrogen gas spring is inconvenient, and the assembly degree of difficulty is high, and the assembly efficiency is low, and overall leakproofness is poor.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a small-size nitrogen gas spring jump ring structure 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:

a small nitrogen spring clamp spring structure comprises a piston rod and a cylinder body, wherein a nitrogen storage cavity is arranged in the cylinder body, the outer end of the piston rod is sleeved with an upper end cover which is connected with the cylinder body in a clamping way, a guide sleeve is sleeved in the upper end cover, the piston rod is sleeved in the guide sleeve, one end of the piston rod extends into the cylinder body, the other end of the piston rod extends to the outer wall of the cylinder body, a supporting sleeve is sleeved at the inner bottom end of the piston rod, a guiding and moving mechanism matched with the bottom of the supporting sleeve and the inner wall of the cylinder body is arranged between the bottom of the supporting sleeve and the inner wall of the cylinder body, a lower end cover is arranged at the bottom of the cylinder body, the lower end cover is provided with an inflation nozzle communicated with the nitrogen storage cavity, the bottom of the inflation nozzle is provided with a plug, the cylinder body is internally provided with a silencing mechanism, and the joint of the upper end cover and the outer wall of the cylinder body is provided with a sealing mechanism.

Further, the bottom of bottom end cover through the jump ring with the cylinder body joint, the top of jump ring is equipped with bellied dop, the upper end cover with the joint department of cylinder body is equipped with dustproof rand, the outside cover of supporting the cover is equipped with the sealing washer, just the sealing washer with the inner wall laminating of cylinder body is connected, be equipped with the inflation valve on the charging connector, the uide bushing inboard is equipped with the oil pocket, the top of oil pocket is equipped with vice sealing washer.

Further, direction moving mechanism is including fixing the quantity that supports the cover bottom is two risers, the riser is located the fixed recess board that is equipped with in one side of nitrogen gas storage intracavity wall, be equipped with on the recess board and set up the groove, set up the fixed pole that is equipped with between the inslot wall, the movable sleeve is equipped with the cylinder on the pole, the inside quantity of having seted up of cylinder is three cavity, the cavity inner wall is pasted and is had soundproof cotton, the spout has been seted up to nitrogen gas storage intracavity wall, cylinder one end extends to in the spout, just the cylinder glide plane with spout groove face movable contact.

Furthermore, the silencing mechanism comprises a silencing cavity arranged inside the cylinder body, sound insulation plates are fixedly arranged on the inner wall of the silencing cavity, a silencing pipe obliquely arranged is fixedly arranged between the sound insulation plates, auxiliary soundproof cotton is pasted on the inner wall of the silencing pipe, and a sound transmission hole is formed in the silencing pipe.

Further, sealing mechanism is including the cover the upper end cover with the circular lagging of cylinder body outer wall junction, circular lagging fixes through the screw the upper end cover with cylinder body outer wall, circular lagging divide into the arc lagging of quantity for four, and the sealing strip has all been pasted in the arc lagging of quantity for four, the sealing strip correspond the upper end cover with cylinder body outer wall junction.

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

the small nitrogen spring clamp spring structure is convenient for installing the nitrogen spring, has stable structure, good performance stability, convenient later-stage maintenance and repair of the nitrogen spring, good overall sealing performance, ensures the use effect of the nitrogen spring, prolongs the service life of the nitrogen spring, the matched guide moving mechanism is arranged between the bottom of the support sleeve and the inner wall of the cylinder body, so that the piston rod has good guidance when moving, the poor stable operation capability of the piston rod is avoided, the piston rod is easy to cause unbalance loading when moving back and forth, the piston rod is scratched and leaks air, the service life of the product is short, the sealing mechanism is arranged at the joint of the upper end cover and the outer wall of the cylinder body, when the upper end cover and the cylinder body are connected and installed, the joint is more sealed, the air leakage is avoided, the silencing mechanism is arranged in the cylinder body, the sound generated by the moving friction during the work is absorbed, so that the device is more quiet during the work.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of a small nitrogen spring clamp spring structure according to an embodiment of the present invention;

fig. 2 is a schematic view of a guiding and moving mechanism of a small-sized nitrogen spring clamp spring structure according to an embodiment of the present invention;

fig. 3 is a schematic view of a groove plate of a miniature nitrogen spring clamp spring structure according to an embodiment of the present invention;

fig. 4 is a schematic view of a silencing mechanism of a small-sized nitrogen spring clamp spring structure according to an embodiment of the present invention.

Reference numerals:

1. a piston rod; 2. a cylinder body; 3. a nitrogen storage chamber; 4. an upper end cover; 5. a lower end cover; 6. a clamp spring; 7. a guide sleeve; 8. a support sleeve; 9. an air charging nozzle; 10. plugging by screwing; 11. an oil chamber; 12. a secondary seal ring; 13. a vertical plate; 14. a groove plate; 15. arranging a groove; 16. a round bar; 17. a drum; 18. a cavity; 19. sound insulation cotton; 20. a chute; 21. a sound-deadening chamber; 22. a sound insulating board; 23. a sound-deadening tube; 24. a sound transmission hole; 25. a circular sleeve plate.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

in order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

The first embodiment is as follows:

referring to fig. 1-4, according to an embodiment of the present invention, a small-sized nitrogen spring clamp spring structure includes a piston rod 1 and a cylinder body 2, a nitrogen storage chamber 3 is disposed inside the cylinder body 2, an outer end cap of the piston rod 1 is sleeved with an upper end cap 4, the upper end cap 4 is connected to the cylinder body 2 in a snap-fit manner, a guide sleeve 7 is disposed inside the upper end cap 4, the piston rod 1 is sleeved inside the guide sleeve 7, one end of the piston rod 1 extends into the cylinder body 2, the other end of the piston rod 1 extends to an outer wall of the cylinder body 2, a support sleeve 8 is disposed on an inner bottom end cap of the piston rod 1, a guiding and moving mechanism is disposed between a bottom of the support sleeve 8 and an inner wall of the cylinder body 2, a lower end cap 5 is disposed at a bottom of the cylinder body 2, the lower end cap 5 is provided with an inflation nozzle, the bottom of charging connector 9 is equipped with plug 10, the inside amortization mechanism that is equipped with of cylinder body 2, upper end cover 4 with the outer wall junction of cylinder body 2 is equipped with sealing mechanism.

Example two:

referring to fig. 1, for the lower end cover 5, the bottom of the lower end cover 5 is connected with the cylinder body 2 in a clamped mode through a clamp spring 6, a protruding clamping head is arranged at the top of the clamp spring 6, a dustproof clamping ring is arranged at the clamping position of the upper end cover 4 and the cylinder body 2, a sealing ring is sleeved outside the supporting sleeve 8 and is connected with the inner wall of the cylinder body 2 in an attached mode, an inflation valve is arranged on the inflation nozzle 9, an oil cavity 11 is arranged on the inner side of the guide sleeve 7, and an auxiliary sealing ring 12 is arranged at the top of the oil cavity 11.

Through the above technical scheme of the utility model, beneficial effect: the lower end cover 5 adopts a clamp spring structure, the nitrogen spring is convenient to install, the assembly difficulty is low, and the assembly efficiency is greatly improved.

Example three:

referring to fig. 1-3, for the guiding and moving mechanism, the guiding and moving mechanism includes two vertical plates 13 fixed at the bottom end of the supporting sleeve 8, a groove plate 14 is fixedly arranged at one side of the vertical plates 13 located at the inner wall of the nitrogen storage cavity 3, a setting groove 15 is arranged on the groove plate 14, a round rod 16 is fixedly arranged between the inner walls of the setting groove 15, a roller 17 is movably sleeved on the round rod 16, three cavities 18 are arranged inside the roller 17, soundproof cotton 19 is adhered to the inner wall of the cavity 18, a sliding groove 20 is arranged on the inner wall of the nitrogen storage cavity 3, one end of the roller 17 extends into the sliding groove 20, and the sliding surface of the roller 17 is in movable contact with the groove surface of the sliding groove 20.

Through the above technical scheme of the utility model, beneficial effect: when the piston rod 1 moves, the vertical plate 13 at the bottom end of the support sleeve 8 is driven to move, the roller 17 is finally driven to slide in the sliding groove 20, the final work movement is more stable, the inner walls of the roller 17 and the sliding groove 20 are rubbed, the generated sound can enter the cavity 18, the rubbed sound can be absorbed through the soundproof cotton 19, the silencing purpose of the device is further increased, the rolling is arranged, and the material consumption of the surface friction of the roller 17 is greatly reduced.

Example four:

referring to fig. 4, for the noise reduction mechanism, the noise reduction mechanism includes a noise reduction cavity 21 disposed inside the cylinder body 2, sound insulation boards 22 are fixed on the inner wall of the noise reduction cavity 21, a noise reduction tube 23 disposed obliquely is fixed between the sound insulation boards 22, sub-soundproof cotton is adhered on the inner wall of the noise reduction tube 23, and a sound transmission hole 24 is disposed on the noise reduction tube 23.

Through the above technical scheme of the utility model, beneficial effect: when the device works, sound generated by friction of the piston rod 1 and the cylinder body 2 can enter the silencing cavity 21, the sound can be silenced by the sound insulation plate 22 with a porous structure, and part of the sound can enter the silencing pipe 23 and is frictionally silenced by the auxiliary sound insulation cotton again, so that the quality of a working environment is improved.

Example five:

referring to fig. 1, for the sealing mechanism, the sealing mechanism includes a circular sleeve plate 25 sleeved at a joint of the upper end cover 4 and the outer wall of the cylinder body 2, the circular sleeve plate 25 is fixed to the upper end cover 4 and the outer wall of the cylinder body 2 through screws, the circular sleeve plate 25 is divided into four arc sleeve plates, sealing strips are adhered to the four arc sleeve plates, and the sealing strips correspond to the joint of the upper end cover 4 and the outer wall of the cylinder body 2.

Through the above technical scheme of the utility model, beneficial effect: after the upper end cover 4 is connected with the cylinder body 2, the circular sleeve plate 25 is sleeved at the butt joint of the upper end cover 4 and the cylinder body 2, and the butt joint is shielded through the arranged sealing strip, so that the sealing performance of the device is further improved.

For the convenience of understanding the above technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process:

in practical application, the small nitrogen spring clamp spring structure is convenient for installing a nitrogen spring, the nitrogen spring structure is stable, the performance stability is good, the later-stage maintenance and repair of the nitrogen spring are convenient, the overall sealing performance is good, the service effect of the nitrogen spring is ensured, the service life of the nitrogen spring is prolonged, a matched guide moving mechanism is arranged between the bottom of a support sleeve 8 and the inner wall of a cylinder body 2, so that the piston rod 1 has good guidance when moving, the poor stable operation capability of the piston rod 1 is avoided, the piston rod 1 is easy to cause unbalance loading when moving back and forth, the piston rod is scratched and leaks air, the service life of a product is short, a sealing mechanism is arranged at the joint of an upper end cover 4 and the outer wall of the cylinder body 2, when the two are connected and installed, the joint is more sealed, the air leakage is avoided, a silencing mechanism is arranged inside the cylinder body 2, and the sound, the device is more quiet when the device works.

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 small nitrogen spring clamp spring structure is characterized by comprising a piston rod (1) and a cylinder body (2), wherein a nitrogen storage cavity (3) is arranged inside the cylinder body (2), an upper end cover (4) is sleeved outside the piston rod (1), the upper end cover (4) is connected with the cylinder body (2) in a clamping manner, a guide sleeve (7) is arranged in the upper end cover (4) in a sleeved manner, the piston rod (1) is sleeved in the guide sleeve (7), one end of the piston rod (1) extends into the cylinder body (2), the other end of the piston rod (1) extends to the outer wall of the cylinder body (2), a support sleeve (8) is arranged at the inner bottom end of the piston rod (1), a matched guide moving mechanism is arranged between the bottom of the support sleeve (8) and the inner wall of the cylinder body (2), a lower end cover (5) is arranged at the bottom of the cylinder body (2), the lower end cover (5) is provided with an inflating nozzle (9) communicated with the nitrogen storage cavity (3), the bottom of the inflating nozzle (9) is provided with a plug (10), a silencing mechanism is arranged inside the cylinder body (2), and a sealing mechanism is arranged at the joint of the upper end cover (4) and the outer wall of the cylinder body (2).

2. The small nitrogen spring clamping spring structure as claimed in claim 1, wherein the bottom of the lower end cover (5) is connected with the cylinder body (2) in a clamped manner through a clamping spring (6), a convex clamping head is arranged at the top of the clamping spring (6), a dustproof clamping ring is arranged at the clamping position of the upper end cover (4) and the cylinder body (2), a sealing ring is sleeved outside the supporting sleeve (8) and is connected with the inner wall of the cylinder body (2) in a fitted manner, an inflation valve is arranged on the inflation nozzle (9), an oil cavity (11) is arranged inside the guide sleeve (7), and an auxiliary sealing ring (12) is arranged at the top of the oil cavity (11).

3. A compact nitrogen spring clamp spring structure according to claim 1, the guide moving mechanism comprises two vertical plates (13) which are fixed at the bottom end of the support sleeve (8), a groove plate (14) is fixedly arranged on one side of the vertical plate (13) positioned on the inner wall of the nitrogen storage cavity (3), the groove plate (14) is provided with a setting groove (15), a round rod (16) is fixedly arranged between the inner walls of the setting groove (15), a roller (17) is movably sleeved on the round rod (16), three cavities (18) are arranged in the roller (17), soundproof cotton (19) is stuck on the inner wall of the cavity (18), a sliding groove (20) is arranged on the inner wall of the nitrogen storage cavity (3), one end of the roller (17) extends into the sliding groove (20), and the sliding surface of the roller (17) is movably contacted with the groove surface of the sliding groove (20).

4. The small nitrogen spring clamp spring structure according to claim 1, wherein the silencing mechanism comprises a silencing cavity (21) arranged inside the cylinder body (2), sound insulation plates (22) are fixedly arranged on the inner wall of the silencing cavity (21), a silencing pipe (23) which is obliquely arranged is fixedly arranged between the sound insulation plates (22), auxiliary sound insulation cotton is pasted on the inner wall of the silencing pipe (23), and a sound transmission hole (24) is formed in the silencing pipe (23).

5. The small nitrogen spring clamp spring structure according to claim 1, wherein the sealing mechanism comprises a circular sleeve plate (25) sleeved at the joint of the upper end cover (4) and the outer wall of the cylinder body (2), the circular sleeve plate (25) is fixed on the joint of the upper end cover (4) and the outer wall of the cylinder body (2) through screws, the circular sleeve plate (25) is divided into four arc sleeve plates, sealing strips are adhered to the four arc sleeve plates, and the sealing strips correspond to the joint of the upper end cover (4) and the outer wall of the cylinder body (2).