CN217056118U

CN217056118U - Novel anti unbalance loading nitrogen spring

Info

Publication number: CN217056118U
Application number: CN202220878892.5U
Authority: CN
Inventors: 李小兰
Original assignee: Sichuan Xinyue Precision Technology Co ltd
Current assignee: Sichuan Xinyue Precision Technology Co ltd
Priority date: 2022-04-16
Filing date: 2022-04-16
Publication date: 2022-07-26
Anticipated expiration: 2032-04-16

Abstract

The utility model discloses a novel anti unbalance loading nitrogen spring, including plunger rod and cylinder, be equipped with the piston cover between plunger rod and the cylinder, the piston cover passes through the jump ring and is connected with the cylinder, plunger rod and piston cover sliding connection, piston rod side lower extreme is equipped with the slot, the ditch inslot is equipped with piston sealing member and direction retaining ring, piston sealing member and direction retaining ring and piston cover sliding connection, be equipped with the guide element between piston cover and the plunger rod, plunger rod and guide element sliding connection, the lower extreme is equipped with the stopper in the cylinder, the stopper central line coincides with piston cover central line, the stopper passes through hollow bolt and is connected with the cylinder, the cylinder lower extreme is equipped with the air flue, hollow bolt and air flue intercommunication, be equipped with the valve inside in the air flue, air flue one end is equipped with the plug. The utility model has the advantages that: the maximum unbalance loading angle can reach 1 degree, the use requirement of mechanical equipment is met, and the service life is long.

Description

Novel anti unbalance loading nitrogen spring

Technical Field

The utility model relates to a nitrogen spring technical field specifically indicates a novel anti unbalance loading nitrogen spring.

Background

The maximum offset angle allowed by a common nitrogen spring in the existing market is 0.15 degrees, and the common nitrogen spring can be completely used in a mold, but the common nitrogen spring is often limited to be used in mechanical equipment, because the nitrogen spring used in the mechanical equipment requires a larger offset angle, if the common nitrogen spring is used in the mechanical equipment, the service life of the common nitrogen spring is seriously reduced, and the expected use effect cannot be achieved.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is, to above-mentioned problem, provide a biggest unbalance loading angle can reach 1 degree, satisfy mechanical equipment operation requirement, long service life's novel anti unbalance loading nitrogen spring.

In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides a novel anti unbalance loading nitrogen spring, includes plunger rod and cylinder, be equipped with the piston cover between plunger rod and the cylinder, the piston cover passes through the jump ring and is connected with the cylinder, plunger rod and piston cover sliding connection, piston rod side lower extreme is equipped with the slot, the ditch inslot is equipped with piston sealing member and direction retaining ring, piston sealing member and direction retaining ring and piston cover sliding connection, be equipped with the direction component between piston cover and the plunger rod, plunger rod and direction component sliding connection, the lower extreme is equipped with the stopper in the cylinder, stopper central line and the coincidence of piston cover central line, the stopper passes through hollow bolt and is connected with the cylinder, the cylinder lower extreme is equipped with the air flue, hollow bolt and air flue intercommunication, be equipped with the valve inside in the air flue, air flue one end is equipped with the plug nut.

As an improvement, an inner dust ring is arranged between the upper end of the piston sleeve and the plunger rod, an outer dust ring is arranged between the upper end of the piston sleeve and the cylinder barrel, and the plunger rod is connected with the inner dust ring in a sliding mode.

As an improvement, an O-shaped ring is arranged between the piston sleeve and the cylinder barrel.

Compared with the prior art, the utility model the advantage lie in: according to the novel anti-bias-load nitrogen spring, the piston sealing element and the guide retainer ring are simultaneously arranged in the groove of the piston rod, the piston rod drives the piston sealing element and the guide retainer ring to slide in the piston sleeve in the use process, and the piston sleeve is arranged in the cylinder barrel and is limited and fixed by the clamp spring; the limiting block is fixed at the bottom of the cylinder barrel through a hollow bolt to limit the piston rod, the maximum unbalance loading angle of the nitrogen spring can reach 1 degree, the born unbalance loading angle is improved by about 6.6 times compared with the unbalance loading angle of a common nitrogen spring by 0.15 degree, the service life can reach 150 thousands of times, and the limiting block can achieve a good use effect on mechanical equipment.

Drawings

Fig. 1 is a schematic structural view of the novel anti-unbalance-loading nitrogen spring of the present invention.

Reference numerals: 1. the piston comprises a plunger rod, 2, a cylinder barrel, 3, a piston sleeve, 4, a clamp spring, 5, a groove, 6, a piston sealing piece, 7, a guide retaining ring, 8, a guide element, 9, a limiting block, 10, a hollow bolt, 11, an air channel, 12, a valve core, 13, a plug, 14, an inner dust ring, 15, an outer dust ring, 16 and an O-shaped ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

With reference to the attached drawing 1, a piston sleeve 3 is arranged between a plunger rod 1 and a cylinder barrel 2, the piston sleeve 3 is connected with the cylinder barrel 2 through a snap spring 4, the plunger rod 1 is connected with the piston sleeve 3 in a sliding manner, a groove 5 is arranged at the lower end of the side surface of the plunger rod 1, a piston sealing element 6 and a guide retainer 7 are arranged in the groove 5, the piston sealing element 6 and the guide retainer 7 are connected with the piston sleeve 3 in a sliding manner, a guide element 8 is arranged between the piston sleeve 3 and the plunger rod 1, the plunger rod 1 is connected with the guide element 8 in a sliding manner, a limit block 9 is arranged at the lower end in the cylinder barrel 2, the center line of the limit block 9 is superposed with the center line of the piston sleeve 3, the limit block 9 is connected with the cylinder barrel 2 through a hollow bolt 10, an air passage 11 is arranged at the lower end of the cylinder barrel 2, the hollow bolt 10 is communicated with the air passage 11, a valve core 12 is arranged in the air passage 11, and a plug 13 is arranged at one end of the air passage 11, an inner dustproof ring 14 is arranged between the upper end of the piston sleeve 3 and the plunger rod 1, an outer dustproof ring 15 is arranged between the upper end of the piston sleeve 3 and the cylinder barrel 2, the plunger rod 1 is connected with the inner dustproof ring 14 in a sliding mode, and an O-shaped ring 16 is arranged between the piston sleeve 3 and the cylinder barrel 2.

Piston seal 6 and direction retaining ring 7 install simultaneously at piston rod slot 5, and in the use piston rod 1 drive piston seal 6 and direction retaining ring 7 slide in piston bush 3, and piston bush 3 is installed and is carried out spacing fixedly in 2 inside adoption jump rings 4 of cylinder. The limiting block 9 is fixed at the bottom of the cylinder barrel 2 by a hollow bolt 10 to limit the piston rod 1. When the plunger rod 1 is subjected to unbalance loading, the angle of the plunger rod 1 and the piston sleeve 3 can be adjusted, the normal operation of the interior is protected, the service life of the plunger rod can reach 150 ten thousand times, and the unbalance loading angle of the plunger rod 1 and the piston sleeve 3 can reach 1 degree.

The present invention has been described in connection with the embodiments thereof, and the description is not intended to be limiting, and the embodiments shown in the drawings are only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, it should be understood that those skilled in the art should also understand the scope of the present invention without inventively designing the similar structure and embodiments of the present invention without departing from the spirit of the present invention.

Claims

1. A novel anti-bias-load nitrogen spring comprises a plunger rod (1) and a cylinder barrel (2), and is characterized in that: a piston sleeve (3) is arranged between the plunger rod (1) and the cylinder barrel (2), the piston sleeve (3) is connected with the cylinder barrel (2) through a clamp spring (4), the plunger rod (1) is connected with the piston sleeve (3) in a sliding manner, a groove (5) is arranged at the lower end of the side face of the plunger rod (1), a piston sealing element (6) and a guide retaining ring (7) are arranged in the groove (5), the piston sealing element (6) and the guide retaining ring (7) are connected with the piston sleeve (3) in a sliding manner, a guide element (8) is arranged between the piston sleeve (3) and the plunger rod (1), the plunger rod (1) is connected with the guide element (8) in a sliding manner, a limit block (9) is arranged at the inner lower end of the cylinder barrel (2), the center line of the limit block (9) is superposed with the center line of the piston sleeve (3), and the limit block (9) is connected with the cylinder barrel (2) through a hollow bolt (10), the air cylinder is characterized in that an air passage (11) is formed in the lower end of the cylinder barrel (2), the hollow bolt (10) is communicated with the air passage (11), a valve core (12) is arranged in the air passage (11), and a plug (13) is arranged at one end of the air passage (11).

2. The novel anti-bias load nitrogen spring as claimed in claim 1, wherein: an inner dust ring (14) is arranged between the upper end of the piston sleeve (3) and the plunger rod (1), an outer dust ring (15) is arranged between the upper end of the piston sleeve (3) and the cylinder barrel (2), and the plunger rod (1) is connected with the inner dust ring (14) in a sliding mode.

3. The novel anti-bias-load nitrogen spring as claimed in claim 1, wherein: an O-shaped ring (16) is arranged between the piston sleeve (3) and the cylinder barrel (2).