CN217107663U

CN217107663U - Top spring oil cylinder

Info

Publication number: CN217107663U
Application number: CN202220619765.3U
Authority: CN
Inventors: 周泽伟
Original assignee: Jiaxing Xinwei Hydraulic Cylinder Co ltd
Current assignee: Jiaxing Xinwei Hydraulic Cylinder Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-08-02
Anticipated expiration: 2032-03-21

Abstract

The utility model discloses a top spring oil cylinder, including cylinder body, annular base and piston, annular base threaded connection is in the bottom of cylinder body, and the bottom surface seam crossing of cylinder body is fixed through countersunk screw seam riding, the inside jar chamber that is equipped with of cylinder body, the jar intracavity is provided with the piston, and the top of piston is connected with the piston rod, the top of cylinder body is equipped with the retaining ring, one side that the retaining ring is close to the piston is equipped with the retaining ring, the outside of retaining ring is equipped with first sealed annular, guide way, the sealed annular of second and dust groove have been seted up in proper order from bottom to top to the inboard of retaining ring. The utility model prevents the spring from being stressed and distorted by supporting the spring oil cylinder against the side surface of the spring, and ensures the normal work of the spring; set up the cylinder body and the annular base of disconnect-type, saved material cost, both pass through the fixed of riding the seam screw, guarantee its joint strength.

Description

Top spring oil cylinder

[ technical field ] A method for producing a semiconductor device

The utility model relates to a technical field of pneumatic cylinder, especially top spring cylinder's technical field.

[ background of the invention ]

The spring is a mechanical part which works by utilizing elasticity, and the part made of elastic materials deforms under the action of external force and restores to the original shape after the external force is removed. The springs are generally made of spring steel, and the types of the springs are complex and various, and mainly comprise spiral springs, volute springs, plate springs, special springs and the like according to shapes.

When a spring of the crusher is in operation, if the spring is stressed unevenly, the spring is easy to twist, so that the spring is popped out from other directions, even the spring is broken, and the spring needs to be maintained and replaced frequently.

[ Utility model ] content

The utility model aims at solving the problem in the prior art, providing a top spring hydro-cylinder, can withstand the spring by the edgewise, prevent that the spring atress from distorting.

In order to realize the above object, the utility model provides a top spring oil cylinder, including cylinder body, annular base and piston, annular base threaded connection is in the bottom of cylinder body, and the bottom surface seam crossing of cylinder body is fixed through countersunk screw seam riding, the inside jar chamber that is equipped with of cylinder body, the bottom of cylinder body is equipped with the inlet port, the side of cylinder body is equipped with the oil outlet, the jar intracavity is provided with the piston, and the top of piston is connected with the piston rod, the top of cylinder body is equipped with the retaining ring, the piston rod runs through the retaining ring sets up, one side that the retaining ring is close to the piston is equipped with the retaining ring, the outside of retaining ring is equipped with first sealed annular, first sealed annular is located the top of retaining ring, the inboard of retaining ring has seted up guide way, the sealed annular of second and dust groove from bottom to top in proper order.

Preferably, the retainer ring is of a tapered structure with a large upper part and a small lower part.

Preferably, an O-shaped ring is arranged in the first sealing ring groove, a guide belt is arranged in the guide groove, a Y-shaped ring is arranged in the second sealing ring groove, and a dustproof ring is arranged in the dustproof groove.

Preferably, a plurality of mounting holes are annularly arranged on the annular base.

Preferably, a first annular groove, a second annular groove and a third annular groove are sequentially formed in the outer side of the piston from bottom to top, Y-shaped rings are installed in the first annular groove and the third annular groove, and a guide belt is installed in the second annular groove.

The utility model has the advantages that: the utility model prevents the spring from being stressed and distorted by supporting the spring oil cylinder against the side surface of the spring, and ensures the normal work of the spring; the separated cylinder body and the annular base are arranged, so that the material cost is saved, and the two are fixed through the riding screws, so that the connection strength is ensured; an oil inlet of the oil cylinder is arranged at the bottom of the cylinder body, and oil is fed from the bottom of the oil cylinder, so that the interference of the oil cylinder in the use process is reduced; the stop ring adopts bidirectional sealing to ensure normal use under severe conditions; set up the dust prevention groove, prevent the moisture in the adverse circumstances of use, inside the dust got into the hydro-cylinder.

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a schematic structural view of a spring-loaded cylinder of the present invention;

fig. 2 is a bottom schematic view of a top spring cylinder of the present invention;

fig. 3 is a schematic structural view of a stop ring of a spring-jacking cylinder according to the present invention;

fig. 4 is an installation schematic diagram of the spring-supporting cylinder of the present invention.

In the figure: 1-cylinder body, 2-annular base, 3-piston, 4-stop ring, 11-cylinder cavity, 12-oil inlet, 13-oil outlet, 21-mounting hole, 31-first annular groove, 32-second annular groove, 33-third annular groove, 41-check ring, 42-first sealing ring groove, 43-guide groove, 44-second sealing ring groove and 45-dustproof groove.

[ detailed description ] embodiments

Referring to fig. 1, 2, 3 and 4, the utility model relates to a top spring oil cylinder, including cylinder body 1, annular base 2 and piston 3, annular base 2 threaded connection is in the bottom of cylinder body 1, and the bottom surface seam crossing of cylinder body 1 is fixed through countersunk screw striding seam, and the inside cylinder chamber 11 that is equipped with of cylinder body 1, the bottom of cylinder body 1 is equipped with inlet port 12, the side of cylinder body 1 is equipped with oil outlet 13, be provided with piston 3 in the cylinder chamber 11, the top of piston 3 is connected with the piston rod, the top of cylinder body 1 is equipped with retaining ring 4, the piston rod runs through retaining ring 4 sets up, one side that retaining ring 4 is close to piston 3 is equipped with retaining ring 41, the outside of retaining ring 4 is equipped with first sealed annular 42, first sealed annular 42 is located the top of retaining ring 41, guide way 43, piston 4 have been seted up in proper order from bottom to top to the inboard, Second seal ring groove 44 and dust groove 45, retaining ring 41 is big-end-up's toper structure, be equipped with O type circle in the first seal ring groove 42, install the guidance tape in the guide way 43, install Y type circle in the second seal ring groove 44, install the dust ring in the dust groove 45, annular base 2 is fitted with a plurality of mounting holes 21, first annular groove 31, second annular groove 32 and third annular groove 33 have been seted up from bottom to top in proper order in the outside of piston 3, install Y type circle in first annular groove 31 and the third annular groove 33, install the guidance tape in the second annular groove 32.

The utility model discloses the working process:

the utility model relates to a top spring hydro-cylinder is in the course of the work, transversely installs two top spring hydro-cylinders in the both sides of breaker spring, and the side of spring is withstood through the piston rod of top spring hydro-cylinder, prevents the distortion of spring atress, guarantees that the spring normally works.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims

1. A top spring hydro-cylinder which characterized in that: including cylinder body (1), annular base (2) and piston (3), annular base (2) threaded connection is in the bottom of cylinder body (1), and the bottom surface seam crossing of cylinder body (1) is fixed through countersunk screw seam, and cylinder body (1) is inside to be equipped with cylinder chamber (11), the bottom of cylinder body (1) is equipped with inlet port (12), the side of cylinder body (1) is equipped with oil outlet (13), be provided with piston (3) in cylinder chamber (11), the top of piston (3) is connected with the piston rod, the top of cylinder body (1) is equipped with check ring (4), the piston rod runs through check ring (4) set up, one side that check ring (4) are close to piston (3) is equipped with retaining ring (41), the outside of check ring (4) is equipped with first sealed annular (42), first sealed annular (42) are located the top of retaining ring (41), the inboard of retaining ring (4) has seted up guide way (43), second seal ring groove (44) and dust-proof groove (45) from bottom to top in proper order.

2. The top spring cylinder of claim 1, wherein: the retainer ring (41) is of a conical structure with a large upper part and a small lower part.

3. The top spring cylinder of claim 1, wherein: be equipped with O type circle in first sealed annular (42), install the guidance tape in guide way (43), install Y type circle in second sealed annular (44), install the dust ring in dust groove (45).

4. The top spring cylinder of claim 1, wherein: the annular base (2) is annularly provided with a plurality of mounting holes (21).

5. The top spring cylinder of claim 1, wherein: first annular slot (31), second annular slot (32) and third annular slot (33) have been seted up in proper order from bottom to top in the outside of piston (3), install Y type circle in first annular slot (31) and third annular slot (33), install the guidance tape in second annular slot (32).