阅读说明：本技术 一种小型大阻力缓冲器 (Small-size big resistance buffer ) 是由 王盛 于 2020-06-29 设计创作，主要内容包括：本发明提供了一种小型大阻力缓冲器,包括壳体和弹簧,壳体的内部嵌入设置有弹簧,且弹簧的右侧设有座套,座套的右侧嵌入设置有活塞,且座套与活塞之间嵌套设置有O型圈,活塞的右侧嵌入设置有活塞杆,且活塞杆的外表面嵌入设置有蓄压海绵组件,蓄压海绵组件的右侧固定连接有Y型圈组件,壳体的内部填充有阻尼油层。该小型大阻力缓冲器,将过油小孔拆分为座套凸轴和活塞通孔间的配合间距,凸轴和通孔都远大于小孔尺寸,成型制造过程容易管控和保证,解决了小尺寸缓冲器难以生产成大阻力值产品问题。(The invention provides a small-sized large-resistance buffer which comprises a shell and a spring, wherein the spring is embedded in the shell, a seat cover is arranged on the right side of the spring, a piston is embedded in the right side of the seat cover, an O-shaped ring is embedded between the seat cover and the piston, a piston rod is embedded in the right side of the piston, a pressure-accumulating sponge component is embedded in the outer surface of the piston rod, a Y-shaped ring component is fixedly connected to the right side of the pressure-accumulating sponge component, and a damping oil layer is filled in the shell. This small-size big resistance buffer will cross the cooperation interval between oily aperture split is seat cover protruding axle and piston through-hole, and protruding axle and through-hole all are greater than the aperture size, and the easy management and control of shaping manufacturing process is guaranteed, has solved the small-size buffer and has been difficult to produce into big resistance value product problem.)

1. A small-sized large-resistance damper comprises a housing (1) and a spring (2), and is characterized in that: a spring (2) is embedded into the shell (1), a seat sleeve (3) is arranged on the right side of the spring (2), a piston (5) is embedded into the right side of the seat sleeve (3), an O-shaped ring (4) is nested between the seat sleeve (3) and the piston (5), a piston rod (8) is embedded into the right side of the piston (5), a pressure-accumulating sponge component (6) is embedded into the outer surface of the piston rod (8), a Y-shaped ring component (7) is fixedly connected to the right side of the pressure-accumulating sponge component (6), and a damping oil layer (9) is filled into the shell (1);

the seat cover (3) comprises a convex shaft (301), and the inner wall of the seat cover (3) is fixedly connected with the convex shaft (301) which is symmetrical left and right;

piston (5) including through-hole (501) and convection current hole (502), the upper surface of piston (5) is run through and is provided with through-hole (501), and the upper surface of piston (5) runs through and is provided with bilateral symmetry's convection current hole (502).

2. A small-sized large-resistance damper according to claim 1, wherein: the shell (1), the spring (2), the seat sleeve (3), the O-shaped ring (4), the piston (5), the pressure-accumulating sponge component (6), the Y-shaped ring component (7) and the piston rod (8) are all aligned with each other by the central line.

3. A small-sized large-resistance damper according to claim 1, wherein: the number of the through holes (501) is six, and the through holes (501) are distributed in an annular shape in equal proportion.

4. A small-sized large-resistance damper according to claim 1, wherein: the inner diameter of the seat sleeve (3) is consistent with the outer diameter of the piston (5).

5. A small-sized large-resistance damper according to claim 1, wherein: the protruding shaft (301) and the convection hole (502) are symmetrical in pairs, and the diameters of the protruding shaft (301) and the convection hole (502) are consistent and matched with each other.

6. A small-sized large-resistance damper according to claim 1, wherein: the side wall of the seat cover (3) is provided with a groove in a penetrating mode, and the groove and the inner wall of the seat cover (3) are arranged in a penetrating mode.

7. A small-sized large-resistance damper according to claim 1, wherein: the diameter of the pressure-accumulating sponge component (6) and the diameter of the Y-shaped ring component (7) are consistent with the diameter of the shell (1).

Technical Field

The invention relates to the technical field of dampers, in particular to a small-sized large-resistance buffer.

Background

The existing buffer structure is small in outer diameter of a piston of a product, under a certain condition of an oil passing pore, the resistance value of a buffer product can be increased only by increasing the viscosity value of fluid, but the reverse rebound resistance of the piston rod is also increased, the spring elasticity is limited by the constraint of the product size, so that the resetting speed of the piston rod of the buffer is slow, the using effect is influenced, the resistance value of the buffer product is determined by the diameter of the oil passing pore and the outer diameter of the piston, the small-size buffer is small in size corresponding to a cavity of a shell, the large-resistance value product is difficult to produce, the large-resistance value requirement can be met only by adopting the small-size oil passing pore, the small-pore buffer is very high in processing requirement, the very strict forming processing needs to adopt precise machining, and a large amount of manpower and material.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a small-sized large-resistance buffer.

In order to achieve the purpose, the invention provides the following technical scheme: a small-sized large-resistance buffer comprises a shell and a spring, wherein the spring is embedded in the shell, a seat cover is arranged on the right side of the spring, a piston is embedded in the right side of the seat cover, an O-shaped ring is embedded between the seat cover and the piston, a piston rod is embedded in the right side of the piston, a pressure-accumulating sponge component is embedded in the outer surface of the piston rod, a Y-shaped ring component is fixedly connected to the right side of the pressure-accumulating sponge component, and a damping oil layer is filled in the shell;

the seat cover comprises a convex shaft, and the inner wall of the seat cover is fixedly connected with the convex shaft which is symmetrical left and right;

the piston is including through-hole and convection current hole, the upper surface of piston runs through and is provided with the through-hole, and the upper surface of piston runs through and is provided with bilateral symmetry's convection current hole.

Preferably, the housing, spring, seat cover, O-ring, piston, pressure accumulating sponge assembly, Y-ring assembly and piston rod are all aligned on a central line.

Preferably, the number of the through holes is six, and the through holes are distributed in an annular shape in equal proportion.

Preferably, the inner diameter of the sleeve is the same as the outer diameter of the piston.

Preferably, the convex shaft and the convection hole are symmetrical pairwise, and the diameters of the convex shaft and the diameter of the convection hole are consistent and matched with each other.

Preferably, the side wall of the seat cover is provided with a groove in a penetrating manner, and the groove and the inner wall of the seat cover are arranged in a penetrating manner.

Preferably, the diameter of the pressure-accumulating sponge assembly and the diameter of the Y-shaped ring assembly are consistent with the diameter of the shell.

The invention provides a small-sized large-resistance buffer. The method has the following beneficial effects:

(1) this small-size big resistance buffer will cross the cooperation interval between oily aperture split is seat cover protruding axle and piston through-hole, and protruding axle and through-hole all are greater than the aperture size, and the easy management and control of shaping manufacturing process is guaranteed, has solved the small-size buffer and has been difficult to produce into big resistance value product problem.

(2) This small-size big resistance buffer utilizes the oily aperture of mistake that the sleeve salient axle and base through-hole formed, adjusts the oilhole size according to the cooperation interval between axle and hole, and buffer resistance value is little when the oilhole is big, otherwise then the oilhole is little buffer resistance value is big.

Drawings

FIG. 1 is a schematic view of the overall exploded structure of the present invention.

Fig. 2 is a schematic view of the overall structure of the seat cover of the present invention.

Fig. 3 is a schematic view of the overall structure of the piston of the present invention.

FIG. 4 is a schematic top view of the housing and the piston of the present invention.

Fig. 5 is a partial top view of the housing, sleeve and piston of the present invention.

In the figure: 1. a housing; 2. a spring; 3. a seat cover; 301. a protruding shaft; 4. an O-shaped ring; 5. a piston; 501. a through hole; 502. a convection hole; 6. a pressure-accumulating sponge component; 7. a Y-shaped ring assembly; 8. a piston rod; 9. and damping the oil layer.

Detailed Description

As shown in fig. 1 to 5, the present invention provides a technical solution: a small-sized large-resistance buffer comprises a shell 1 and a spring 2, wherein the spring 2 is embedded in the shell 1, a seat sleeve 3 is arranged on the right side of the spring 2, a piston 5 is embedded in the right side of the seat sleeve 3, an O-shaped ring 4 is embedded between the seat sleeve 3 and the piston 5, a piston rod 8 of a urheen is embedded in the right side of the piston 5, a pressure-accumulating sponge component 6 is embedded in the outer surface of the piston rod 8, a Y-shaped ring component 7 is fixedly connected to the right side of the pressure-accumulating sponge component 6, and a damping oil layer 9 is filled in the shell 1;

the seat cover 3 comprises a convex shaft 301, and the inner wall of the seat cover 3 is fixedly connected with the convex shaft 301 which is symmetrical left and right;

the piston 5 comprises a through hole 501 and a convection hole 502, the through hole 501 penetrates through the upper surface of the piston 5, and the convection holes 502 which are symmetrical left and right penetrate through the upper surface of the piston 5.

Preferably, the shell 1, the spring 2, the seat sleeve 3, the O-shaped ring 4, the piston 5, the pressure storage sponge component 6, the Y-shaped ring component 7 and the piston rod 8 are aligned in a central line mode, stress is uniform, and resistance is consistent.

Preferably, the number of the through holes 501 is six, and the through holes 501 are distributed in an annular shape in equal proportion, so that the uniform stress and the consistent resistance are facilitated.

Preferably, the inner diameter of the sleeve 3 is the same as the outer diameter of the piston 5, so that the distance between the protruding shaft 301 and the convection hole 502 is shortened when the sleeve is pressed, and certain resistance is kept.

Preferably, the protruding shaft 301 and the convection hole 502 are symmetric in pairs, and the protruding shaft 301 and the convection hole 502 have the same diameter and are matched with each other, so as to control the distance between the protruding shaft 301 and the convection hole 502.

Preferably, the lateral wall of seat cover 3 runs through and is provided with the recess, and the recess sets up for running through with the inner wall of seat cover 3, is convenient for when cooperation piston 5, enlarges or dwindles through-hole 501, is convenient for control the resistance value that damping oil reservoir 9 produced.

Preferably, the diameter of the pressure-accumulating sponge component 6 and the diameter of the Y-shaped ring component 7 are consistent with the diameter of the shell 1, so that the damping oil layer 9 in the shell 1 is conveniently sealed, and the buffer device cannot overflow and is stable in resistance value.

In use, firstly, a proper amount of damping oil layer 9 is filled in the shell 1, and then the spring 2, the seat sleeve 3, the O-shaped ring 4, the piston 5, the pressure storage sponge component 6, the Y-shaped ring component 7 and the piston rod 8 are correspondingly assembled in sequence;