CN213624997U

CN213624997U - Improved full vibration isolation shock absorber

Info

Publication number: CN213624997U
Application number: CN202022520025.8U
Authority: CN
Inventors: 汪永建
Original assignee: Shanghai Juren Railway Equipment Co ltd
Current assignee: Shanghai Juren Railway Equipment Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-07-06
Anticipated expiration: 2030-11-04

Abstract

The utility model discloses an improved full vibration isolation damper, the upper end of the cylinder is provided with a panel, the bottom of the cylinder is provided with a bottom plate, an upper pressure plate is installed on a slide bar, the bottom of the slide bar is provided with a slide block, the lower end of the slide bar and the slide block are arranged in a sleeve in a sliding way, the sleeve is arranged in a middle slide hole of the bottom plate, the periphery of the bottom of the sleeve is provided with a connecting plate, the upper surface of the cutting connecting plate is provided with a plurality of supporting columns, the top ends of the supporting columns are connected with a supporting ring, the upper end of a first spring is connected with the lower surface of the upper pressure plate, the lower end is connected with the upper surface of the sleeve, a second spring is arranged outside the first spring, the upper end is connected with the lower surface of the upper pressure plate, the lower end is connected with the upper surface of the supporting ring, a third spring, the installation and the dismantlement are convenient for to be convenient for the change and the maintenance of inside spring.

Description

Improved full vibration isolation shock absorber

Technical Field

The utility model relates to the field of machinary, especially, relate to track damping technique, specifically be a modified full vibration isolation shock absorber.

Background

Traditional track shock absorber adopts single spring structure mostly, and the shock attenuation effect is poor, also has the part to adopt the multiple spring structure, but traditional multiple spring structural stability is relatively poor to be not convenient for installation and dismantlement, consequently, this problem that exists among the prior art is solved to a technique that awaits an improvement urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a modified full vibration isolation shock absorber, install the pressure disk on the slide bar, upward be provided with first spring between pressure disk and the sleeve, the inside third spring that is provided with of sleeve, telescopic machanism adopts double spring structure, improve the damping effect greatly than single spring structure, the connecting plate upper surface of barrel bottom is provided with the support ring through a plurality of support columns, upward be provided with the second spring between pressure disk and the support ring, the stability of barrel and slide bar has been guaranteed in the time of further improving the damping effect, moreover, the steam generator is simple in structure, be convenient for installation and dismantlement, thereby be convenient for the change and the maintenance of inside spring, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an improved full vibration isolation shock absorber comprises a shell, a telescopic mechanism and a shock absorption assembly;

the shell comprises a cylinder body, a panel is arranged at the upper end of the cylinder body, a bottom plate is arranged at the bottom end of the cylinder body, and a middle sliding hole and a plurality of peripheral sliding holes are formed in the bottom plate;

the telescopic mechanism comprises a top plate, a slide rod and a sleeve, the lower surface of the top plate is connected with the top end of the slide rod, an upper pressure plate is mounted on the slide rod, a slide block is arranged at the bottom end of the slide rod, the lower end of the slide rod and the slide block are slidably arranged in the sleeve, the sleeve is arranged in a middle slide hole of the bottom plate, a connecting plate is arranged on the periphery of the bottom end of the sleeve and is connected with the fixed seat through bolts, a plurality of support columns are arranged on the upper surface of the connecting plate, the top ends of the support columns are connected with a support ring, the support ring is arranged in the barrel and located below the upper pressure plate, and the;

damping subassembly includes first spring, second spring and third spring, first spring sets up in the outside lower extreme that just is located the pressure disk of slide bar, the upper end and the last pressure disk lower surface of first spring meet, the lower extreme and the telescopic upper surface of first spring meet, the second spring sets up in the outside of first spring, the upper end of second spring meets with the lower surface of last pressure disk, the lower extreme and the support ring upper surface of second spring meet, the third spring sets up inside the sleeve, the upper end and the slider lower surface of third spring meet, the lower extreme and the fixing base upper surface of third spring meet.

Preferably, be provided with spacing arch on the inner wall of barrel, the support ring upper surface meets with spacing bellied lower surface for the spacing of support ring, spacing bellied internal diameter is greater than the external diameter of last pressure disk, and the pressure disk is installed inside the barrel on being convenient for.

Preferably, the panel passes through the screw and links to each other with the top of barrel, the bottom plate passes through the screw and links to each other with the bottom of barrel, and the installation and the dismantlement of inside spare part are convenient for.

Preferably, go up the pressure disk including solid fixed ring, pressure disk and first spacing outer loop, gu fixed ring lower surface links to each other with the pressure disk upper surface, the periphery of pressure disk lower surface is provided with first spacing outer loop, the internal diameter of first spacing outer loop is unanimous with the external diameter of second spring, gu fixed ring's internal diameter is unanimous with the external diameter of slide bar and links to each other with the slide bar through the pivot, the stability of second spring is guaranteed and can not the slippage in the setting of first spacing outer loop.

Preferably, the upper surface of the support ring is provided with a second limit outer ring, the inner diameter of the second limit outer ring is consistent with the outer diameter of the second spring, and the second limit outer ring ensures the stability of the second spring and cannot slip.

Preferably, the outer diameter of the sliding block is consistent with the inner diameter of the sleeve, so that the stability of the sliding block is ensured.

Preferably, the sleeve top end is provided with a through hole, and the inner diameter of the through hole formed in the sleeve top end is consistent with the outer diameter of the sliding rod, so that the stability of the sliding rod is ensured.

Preferably, the fixed seat is provided with an air hole and communicated with the interior of the sleeve, so that the sliding rod can slide along the sliding cylinder, and the smoothness is ensured.

Preferably, the bottom end of the supporting column is connected with the connecting plate through a bolt, so that the bottom end of the supporting column is convenient to fix and mount.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) install the pressure disk on the slide bar, go up and be provided with first spring between pressure disk and the sleeve, the sleeve is inside to be provided with the third spring, and telescopic machanism adopts double-spring structure, improves the damping effect greatly than single spring structure.

(2) The upper surface of the connecting plate at the bottom end of the cylinder body is provided with a support ring through a plurality of support columns, and a second spring is arranged between the upper pressure plate and the support ring, so that the stability of the cylinder body and the slide rod is ensured while the vibration reduction effect is further improved.

(3) Simple structure, the installation and dismantlement of being convenient for to the change and the maintenance of the inside spring of being convenient for.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a bottom plate structure;

FIG. 3 is a schematic view of a support ring structure;

fig. 4 is a schematic view of the structure of the upper platen.

In the figure: the device comprises a cylinder body 1, a panel 2, a bottom plate 3, a top plate 4, a sliding rod 5, a sleeve 6, an upper pressure plate 7, a sliding block 8, a connecting plate 9, a fixed seat 10, a supporting column 11, a supporting ring 12, a first spring 13, a second spring 14, a third spring 15, a limiting protrusion 16, a second limiting outer ring 121, a middle sliding hole 301, a peripheral sliding hole 302, a fixing ring 701, a pressure plate 702 and a first limiting outer ring 703.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the embodiments of the present invention and the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention;

it should be noted that, in the description of the present invention, it is to be noted that the terms "inside", "outside", "upper", "lower", "both sides", "one end", "the other end", "left", "right", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, the present invention relates to an improved full vibration isolation damper, which comprises a housing, a telescopic mechanism and a damping assembly; the shell comprises a cylinder body 1, a panel 2 is arranged at the upper end of the cylinder body 1, a bottom plate 3 is arranged at the bottom end of the cylinder body 1, the panel 2 is connected with the top end of the cylinder body 1 through a screw, the bottom plate 3 is connected with the bottom end of the cylinder body 1 through a screw, and the bottom plate 3 is provided with a middle sliding hole 301 and a plurality of peripheral sliding holes 302; the telescopic mechanism comprises a top plate 4, a slide rod 5 and a sleeve 6, the lower surface of the top plate 4 is connected with the top end of the slide rod 5, an upper pressure plate 7 is installed on the slide rod 5, a slide block 8 is arranged at the bottom end of the slide rod 5, the lower end of the slide rod 5 and the slide block 8 are arranged in the sleeve 6 in a sliding manner, the outer diameter of the slide block 8 is consistent with the inner diameter of the sleeve 6, a through hole is arranged at the top end of the sleeve 6, the inner diameter of the through hole arranged at the top end of the sleeve 6 is consistent with the outer diameter of the slide rod 5, the sleeve 6 is arranged in a middle sliding hole 301 of a bottom plate 3, a connecting plate 9 is arranged at the periphery of the bottom end of the sleeve 6, the connecting plate 9 is connected with a fixed seat 10 through bolts, an air hole is arranged on the fixed seat 10 and communicated with the interior of the sleeve 6, a plurality of support columns, the bottom end of the supporting column 11 is connected with the connecting plate 9 through a bolt, a limiting bulge 16 is arranged on the inner wall of the cylinder body 1, the upper surface of the supporting ring 12 is connected with the lower surface of the limiting bulge 16, and the inner diameter of the limiting bulge 16 is larger than the outer diameter of the upper pressure plate 7; the damping component comprises a first spring 13, a second spring 14 and a third spring 15, the first spring 13 is arranged outside the sliding rod 5 and positioned at the lower end of the upper pressure plate 7, the upper end of the first spring 13 is connected with the lower surface of the upper pressure plate 7, the lower end of the first spring 13 is connected with the upper surface of the sleeve 6, the second spring 14 is arranged outside the first spring 13, the upper end of the second spring 14 is connected with the lower surface of the upper pressure plate 7, the lower end of the second spring 14 is connected with the upper surface of the support ring 12, the upper surface of the support ring 12 is provided with a second limiting outer ring 121, the inner diameter of the second limiting outer ring 121 is consistent with the outer diameter of the second spring 14, the third spring 15 is arranged inside the sleeve 6, the upper end of the third spring 15 is connected with the lower surface of the sliding block 8, and the lower end of the third.

As shown in fig. 4, the upper platen 7 includes a fixing ring 701, a platen 702, and a first limit outer ring 703, the lower surface of the fixing ring 701 is connected to the upper surface of the platen 702, the first limit outer ring 703 is disposed on the periphery of the lower surface of the platen 702, the inner diameter of the first limit outer ring 703 is identical to the outer diameter of the second spring 14, and the inner diameter of the fixing ring 701 is identical to the outer diameter of the slide rod 5 and is connected to the slide rod 5 through a shaft pin.

The installation method and the use principle are as follows: firstly, an upper pressure plate 7 is placed inside a cylinder body 1, then a sliding rod 5 is placed inside the cylinder body 1 and penetrates through the upper pressure plate 7, then a top plate 4 is connected with the top end of the sliding rod 5 through a bolt, then a second spring 14 is placed inside the cylinder body 1 and is connected with the lower surface of the upper pressure plate 7, then a support ring 12 is placed inside the cylinder body 1, the support ring 12 is fixed through the bolt after abutting against a limiting bump 16, at the moment, the bottom end of the second spring 14 is supported on the lower surfaces of the support ring 12 and the upper pressure plate 7, then a first spring 13 is sleeved outside the sliding rod 5 and is positioned below the upper pressure plate 7, peripheral sliding holes 302 of a bottom plate 3 are in one-to-one correspondence with support columns 11 and are inserted with the support columns 11, then the bottom plate 3 is fixed at the bottom end of the cylinder body 1 through the bolt, then a sleeve 6 is placed inside the cylinder body 1 through a middle sliding hole 301 of the bottom plate 3, the connecting plate 9 is connected with the supporting column 11 through a bolt, the sliding block 8 is placed inside the sleeve 6 and connected with the bottom end of the sliding rod 5 through the bolt, then the third spring 15 is inserted into the sleeve 6, finally the fixing seat 10 is connected with the connecting plate 9 at the bottom end of the sleeve 6 through the bolt, assembly is completed, the full-vibration-isolation vibration absorber is obtained, the cylinder 1 of the full-vibration-isolation vibration absorber is connected with the floating plate, installation is completed, after the floating plate is pressed, the cylinder 1 is pressed, the pressure is transmitted to the sliding rod 5 and the upper pressing plate 7 through the top plate 4, and vibration attenuation is achieved through the first spring 13, the second spring 14 and the third spring 15. The utility model has reasonable structure, the upper pressure plate 7 is arranged on the slide bar 5, the first spring 13 is arranged between the upper pressure plate 7 and the sleeve 6, the third spring 15 is arranged inside the sleeve 6, the telescopic mechanism adopts a double-spring structure, and the damping effect is greatly improved compared with a single-spring structure; the upper surface of the connecting plate 9 at the bottom end of the cylinder 1 is provided with a support ring 12 through a plurality of support columns 11, and a second spring 14 is arranged between the upper pressure plate 7 and the support ring 12, so that the stability of the cylinder 1 and the slide rod 5 is ensured while the vibration damping effect is further improved; simple structure, the installation and dismantlement of being convenient for to the change and the maintenance of the inside spring of being convenient for.

The details of the present invention are well known to those skilled in the art.

Finally, it is to be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified and replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. An improved full vibration isolation shock absorber is characterized in that: comprises a shell, a telescopic mechanism and a vibration damping component;

the shell comprises a cylinder body (1), a panel (2) is arranged at the upper end of the cylinder body (1), a bottom plate (3) is arranged at the bottom end of the cylinder body (1), and a middle sliding hole (301) and a plurality of peripheral sliding holes (302) are formed in the bottom plate (3);

the telescopic mechanism comprises a top plate (4), a sliding rod (5) and a sleeve (6), the lower surface of the top plate (4) is connected with the top end of the sliding rod (5), an upper pressure plate (7) is installed on the sliding rod (5), a sliding block (8) is arranged at the bottom end of the sliding rod (5), the lower end of the sliding rod (5) and the sliding block (8) are arranged in the sleeve (6) in a sliding way, the sleeve (6) is arranged in a middle sliding hole (301) of a bottom plate (3), a connecting plate (9) is arranged at the periphery of the bottom end of the sleeve (6), the connecting plate (9) is connected with a fixed seat (10) through bolts, a plurality of supporting columns (11) are arranged on the upper surface of the connecting plate (9), the top ends of the supporting columns (11) are connected with a supporting ring (12), the supporting ring (12) is arranged in the barrel (, the supporting columns (11) are arranged in peripheral sliding holes (302) formed in the bottom plate (3) in a penetrating mode;

the damping component comprises a first spring (13), a second spring (14) and a third spring (15), the first spring (13) is arranged outside the sliding rod (5) and is positioned at the lower end of the upper pressure plate (7), the upper end of the first spring (13) is connected with the lower surface of the upper pressure plate (7), the lower end of the first spring (13) is connected with the upper surface of the sleeve (6), the second spring (14) is arranged outside the first spring (13), the upper end of the second spring (14) is connected with the lower surface of the upper pressure plate (7), the lower end of the second spring (14) is connected with the upper surface of the supporting ring (12), the third spring (15) is arranged in the sleeve (6), the upper end of the third spring (15) is connected with the lower surface of the sliding block (8), the lower end of the third spring (15) is connected with the upper surface of the fixed seat (10).

2. An improved full isolation vibration damper according to claim 1, wherein: be provided with spacing arch (16) on the inner wall of barrel (1), support ring (12) upper surface meets with the lower surface of spacing arch (16), the internal diameter of spacing arch (16) is greater than the external diameter of last pressure disk (7).

3. An improved full isolation vibration damper according to claim 1, wherein: the panel (2) is connected with the top end of the cylinder body (1) through a screw, and the bottom plate (3) is connected with the bottom end of the cylinder body (1) through a screw.

4. An improved full isolation vibration damper according to claim 1, wherein: go up pressure disk (7) including solid fixed ring (701), pressure disk (702) and first spacing outer loop (703), gu fixed ring (701) lower surface links to each other with pressure disk (702) upper surface, the periphery of pressure disk (702) lower surface is provided with first spacing outer loop (703), the internal diameter of first spacing outer loop (703) is unanimous with the external diameter of second spring (14), gu the internal diameter of fixed ring (701) is unanimous with the external diameter of slide bar (5) and links to each other with slide bar (5) through the pivot.

5. An improved full isolation vibration damper according to claim 1, wherein: the upper surface of the support ring (12) is provided with a second limiting outer ring (121), and the inner diameter of the second limiting outer ring (121) is consistent with the outer diameter of the second spring (14).

6. An improved full isolation vibration damper according to claim 1, wherein: the outer diameter of the sliding block (8) is consistent with the inner diameter of the sleeve (6).

7. An improved full isolation vibration damper according to claim 1, wherein: the top end of the sleeve (6) is provided with a through hole, and the inner diameter of the through hole formed in the top end of the sleeve (6) is consistent with the outer diameter of the sliding rod (5).

8. An improved full isolation vibration damper according to claim 1, wherein: the fixed seat (10) is provided with an air hole and communicated with the interior of the sleeve (6).

9. An improved full isolation vibration damper according to claim 1, wherein: the bottom end of the supporting column (11) is connected with the connecting plate (9) through a bolt.