CN213808651U

CN213808651U - Buffer device

Info

Publication number: CN213808651U
Application number: CN202022649802.9U
Authority: CN
Inventors: 亓东富
Original assignee: Ningbo Yosun Auto Parts Co ltd
Current assignee: Ningbo Yosun Auto Parts Co ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-07-27
Anticipated expiration: 2030-11-16

Abstract

The utility model discloses a buffer device, belonging to the technical field of buffer devices, which comprises a shell and a movable pin, wherein a telescopic channel is arranged in the shell, the tail part of the shell is provided with a reinforcing strip for dividing the outlet of the telescopic channel into two parts, the movable pin is movably arranged in the telescopic channel, a compression channel extending from the tail part to the middle part is arranged in the movable pin, the outer side of the movable pin is also provided with two open slots matched with the reinforcing strip in a bilateral symmetry way, the open slots are communicated with the compression channel, the reinforcing strip is simultaneously inserted into the two open slots, the reinforcing strip can slide up and down in the open slot, a compressible elastic element is connected between the reinforcing strip and the bottom of the compression channel, the movable pin can move up and down in the telescopic channel along the height direction of the shell and partially extend out of the telescopic channel, a limiting part is arranged between the shell and the movable pin, and the limiting part is used for preventing the movable pin from continuously extending out after the top of the movable pin extends out of the telescopic channel for a preset distance. The buffer device needs smaller installation space.

Description

Buffer device

Technical Field

The utility model relates to a buffer technical field relates to a buffer, especially relates to a buffer suitable for car storing box.

Background

At present, a buffer cushion is generally arranged between a box and a cover arranged on an automobile storage box so as to avoid direct collision between the box and the cover.

A conventional patent (CN 106460987A) discloses a buffer device for buffering between predetermined members, which discloses: a cylindrical case member; and a pin member slidably inserted into the case member, the end portion of the case member having: a hole forming portion that forms an insertion hole into which the pin member is inserted; and a slit which can expand and deform the hole forming portion, wherein a tapered portion inclined with respect to the axial direction is formed in at least one of an outer peripheral surface of the pin member and an inner peripheral surface of the hole forming portion, the pin member moves in a direction in which the pin member is press-fitted into the insertion hole from the inside of the housing member, and the outer peripheral surface of the pin member and the inner peripheral surface of the hole forming portion slide via the tapered portion, thereby pressing and expanding the insertion hole.

The buffering device provided by the buffering device needs a larger installation space, so that the pin part can be ensured to have a sufficient telescopic channel.

SUMMERY OF THE UTILITY MODEL

To the deficiencies of the prior art, the purpose of the present invention is to provide a buffer device with small installation space and capable of covering the pin member.

In order to achieve the above object, the technical solution adopted by the present invention is a buffer device, comprising a housing and a movable pin, wherein a telescopic channel is arranged in the housing along the height direction, the tail of the housing is provided with a reinforcing strip for dividing the outlet of the telescopic channel into two parts, the movable pin is movably mounted in the telescopic channel, a compression channel extending from the tail to the middle part is arranged in the movable pin, the outer side of the movable pin is further provided with two open slots adapted to the reinforcing strip in a bilateral symmetry manner, the open slots are communicated with the compression channel, the reinforcing strip is simultaneously inserted into the two open slots, the reinforcing strip can slide up and down in the open slots, a compressible elastic element is connected between the reinforcing strip and the bottom of the compression channel, and the movable pin can move up and down in the telescopic channel along the height direction of the housing and partially extend out of the telescopic channel, the casing with be provided with the locating part between the removable pin, the locating part is used for the removable pin top stretches out stop after flexible passageway predetermines the distance the removable pin continues to stretch out.

Furthermore, a protruding block is arranged at the position, far away from the tail part of the shell, of the reinforcing strip, and the elastic element is connected between the protruding block and the bottom of the compression channel.

Furthermore, the outer side surface of the lug is in contact with the inner side wall of the compression channel.

Furthermore, the movable pin afterbody outside is equipped with the guide part, be equipped with on the casing with the guide way that the guide part one-to-one just distributes along the direction of height, the guide part is controlled spacing in corresponding in the guide way and can slide from top to bottom in this guide way, the guide part stops when upwards sliding or gliding to extreme position the movable pin continues to stretch out flexible passageway.

Furthermore, the movable pin is provided with two guide parts in a bilateral symmetry mode on the outer side of the middle of the movable pin, and the shell is provided with two guide grooves which correspond to the guide parts one to one and are distributed along the height direction.

Further, the length of the open groove is greater than or equal to the length of the guide groove.

Further, the elastic element is provided as a compression spring.

Furthermore, the top of the movable pin is provided with a connecting part which is wide at the top and narrow at the bottom, and the connecting part is externally connected with a rubber contact element.

Furthermore, at least one clamping part which is obliquely arranged is arranged at the outer side of the middle part of the shell close to the top.

Further, the shell is arranged in a barrel-shaped structure.

Adopt the utility model discloses a behind the buffer, compared with the prior art, the utility model the advantage that has is: the buffer device has compact integral design, can coat the pin part, although the shell is provided with a through telescopic channel, the tail part of the movable pin can be retracted into the shell, so that the rest part of the movable pin can be retracted into the shell except for the extended part during working, the movable pin can extend out from the top or the tail part of the shell, after the movable pin extends out of a preset distance, the limit part limits and prevents the movable pin from extending out continuously, the movable pin can be prevented from being separated, and the small integral required installation space is ensured; when the buffer device is applied to the automobile storage box, the top of the movable pin is abutted against the cover of the automobile storage box during actual working, and the buffer device can buffer through the elastic element, thereby achieving the effect of reducing the buffer impact force and reducing the noise generated by collision; during operation, after the movable pin retreats into the shell, the top or the tail of the movable pin can also be collected into the telescopic channel, each part of the buffer device is convenient to install, the whole buffer device is small in size, the required installation space is smaller, and the pin part can be guaranteed to have a sufficient telescopic channel.

Drawings

Fig. 1 is a schematic structural diagram of a buffering device according to the present invention;

fig. 2 is a partial schematic view of a cushioning device of the present invention;

fig. 3 is a cross-sectional view of a cushioning device according to the present invention.

In the figure: 10. a housing; 20. a movable pin; 30. a telescopic channel; 40. a reinforcing strip; 50. compressing the channel; 60. an open slot; 70. an elastic element; 80. a bump; 90. a guide portion; 100. a guide groove; 110. a connecting portion; 120. a rubber contact member; 130. a clamping part.

Detailed Description

The following description is only a preferred embodiment of the present invention, so that the present invention is more clearly and clearly understood, and the protection scope of the present invention is not limited thereby.

The utility model mainly provides a buffer, this buffer specially adapted car storing box is a small-size buffer that can be with pin part cladding, and its required installation space is less, can guarantee that the pin part has sufficient flexible space.

Referring to fig. 1 to 3, the buffer device of the present invention includes a housing 10 and a movable pin 20, a telescopic channel 30 is disposed in the housing 10 along a height direction, a reinforcing strip 40 for dividing an outlet of the telescopic channel 30 into two parts is disposed at a tail portion of the housing 10, it can also be understood that the reinforcing strip is disposed inside the housing near a lower end surface of the tail portion, the movable pin 20 is movably mounted in the telescopic channel 30, a compression channel 50 extending from the tail portion to a middle portion is disposed in the movable pin 20, two open slots 60 adapted to the reinforcing strip 40 are symmetrically disposed outside the movable pin 20, the open slots 60 also extend from the tail portion to the middle portion of the movable pin 20, the open slots 60 are communicated with the compression channel 50, the reinforcing strip 40 is simultaneously inserted into the two open slots 60, the reinforcing strip 40 can slide up and down in the open slot 60, a compressible elastic element 70 is connected between the reinforcing strip 40 and the bottom of the compression channel 50, the movable pin 20 can move up and down along the height direction of the shell 10 in the telescopic channel 30 and partially extend out of the telescopic channel 30, a limiting part is arranged between the shell 10 and the movable pin 20, and the limiting part is used for preventing the movable pin 20 from continuously extending out after the top of the movable pin 20 extends out of the telescopic channel 30 by a preset distance.

The buffer device has compact integral design, can coat the pin component, although the shell 10 is provided with the through telescopic channel 30, the tail part of the movable pin 20 can be retracted into the shell 10, thus the rest part of the movable pin 20 can be retracted into the shell 10 except the extended part during working, the movable pin 20 can extend out from the top or the tail part of the shell 10, after the movable pin extends out for a preset distance, the limit part limits and prevents the movable pin 20 from extending out continuously, the movable pin 20 can be prevented from being separated, and the small integral required installation space is ensured; when the buffer device is applied to the automobile storage box, the top of the movable pin 20 is abutted against the cover of the automobile storage box during actual work, and the buffer device can buffer through the elastic element 70, thereby achieving the effect of reducing the buffer impact force and reducing the noise generated by collision; during operation, after the movable pin 20 retreats into the shell 10, the top or the tail of the movable pin 20 can also be collected into the telescopic channel 30, each part of the buffer device is convenient to install, the whole buffer device is small in size, the required installation space is smaller, and the pin part can be ensured to have the enough telescopic channel 30.

In the present invention, it is preferable that the position of the reinforcing bar 40 away from the rear portion of the casing 10 is provided with a projection 80, and the elastic member 70 is connected between the projection 80 and the bottom of the compression passage 50.

The width of lug is preferred to be greater than the width of reinforcing bar, the reinforcing bar is preferred to be a rectangle structure, and is inseparabler with the open slot cooperation, is provided with the lug in the middle part of reinforcing bar, and above-mentioned movable pin is provided with the open slot that the cross-section is the U-shaped, and open slot and reinforcing bar closely cooperate.

The arrangement of the convex block 80 can not only ensure the connection reliability of the elastic element 70, but also correspond to the external shell 10 to achieve the effect of internal and external support, so that the movable pin 20 can move up and down more stably, and the whole telescopic action is not easy to shake and clamp.

Further, the outer side surface of the projection 80 is in contact with the inner side wall of the compression channel 50, and is connected with the movable pin 20 more closely, so that the supporting effect is better, and a certain guiding effect is achieved.

The preferable scheme of the limiting part in the scheme is as follows: the 20 afterbody outsides of activity round pin are equipped with guide part 90, be equipped with on casing 10 with guide part 90 one-to-one and along the guide way 100 of direction of height distribution, about guide part 90 spacing in corresponding in just can slide from top to bottom in this guide way 100, guide part 90 prevents when upwards sliding or gliding to extreme position activity round pin 20 continues to stretch out flexible passageway 30.

The guide groove is preferably a rectangular groove, the limiting effect of the movable pin 20 is reliably realized in a way that the guide part 90 of the movable pin 20 is matched with the guide groove 100 of the shell 10, the overall structure layout is compact and reasonable, the working stability and reliability are high, and the installation is also convenient.

The guide part 90 and the guide groove 100 are matched, so that the limiting effect and the guiding effect are achieved. The guide portion 90 is moved up/down to be abutted against or blocked from the housing 10, and then the limit position is reached, and the movable pin 20 is also extended and contracted to the preset position.

For further ensuring the reliability of work and limit and the stability of the movement of the movable pin 20, the two guide parts 90 are symmetrically arranged on the outer side of the middle part of the movable pin 20 in a left-right manner, and the two guide grooves 100 which correspond to the two guide parts 90 one to one and are distributed along the height direction are formed in the shell 10.

Further, the length of the opening groove 60 is greater than or equal to the length of the guide groove 100, such a structural design not only can ensure that the guide portion 90 and the housing 10 abut against each other to finally prevent the movable pin 20 from continuing to extend, but also ensures that the movable pin 20 has a longer and more reasonable extending distance, and the installation space required by the whole is also smaller.

The above-mentioned elastic element 70 may be provided as a compression spring or a rubber member or an equivalent effect compressible member.

The elastic element 70 is preferably set to be a pressure spring, the structure is simpler, and when the contact element abuts against the cover of the automobile storage box, the contact element can be buffered through the pressure spring, so that the purpose of reducing the impact force is achieved, and the noise generated by collision can be reduced.

The utility model discloses in, the hole that can also the preferred pressure spring one end passes the lug and strengthens the strip butt, the other end and removable pin hole bottom (compress the passageway bottom promptly) butt.

Further, a connecting portion 110 with a wide top and a narrow bottom is disposed at the top of the movable pin 20, a rubber contact 120 is connected to the connecting portion 110 through an external thread, and after the movable pin 20 retreats into the housing 10, the rubber contact 120 is also gradually retracted into the telescopic passage 30.

The housing 10 of the damping device is preferably configured as a barrel-shaped structure, the height direction is the axial direction of the housing 10, and the outer side position of the middle part of the housing 10 close to the top is provided with at least one clamping part 130 which is obliquely arranged, so that the damping device is more reliable and convenient to mount with external components in various occasions.

While the invention has been described with reference to a preferred embodiment and illustrative embodiments thereof, it will be understood by those skilled in the art that the invention is not limited to the precise embodiments described herein, and that various changes, rearrangements and substitutions may be made without departing from the scope of the invention.

Claims

1. A buffer device comprises a shell and a movable pin, wherein a telescopic channel is arranged in the shell in a penetrating manner along the height direction, and the buffer device is characterized in that a reinforcing strip used for dividing an outlet of the telescopic channel into two parts is arranged at the tail part of the shell, the movable pin is movably arranged in the telescopic channel, a compression channel extending from the tail part to the middle part is arranged in the movable pin, two open grooves matched with the reinforcing strip are symmetrically arranged at the outer side of the movable pin in a left-right manner and are communicated with the compression channel, the reinforcing strip is simultaneously inserted into the two open grooves and can slide up and down in the open grooves, a compressible elastic element is connected between the reinforcing strip and the bottom of the compression channel, and the movable pin can move up and down along the height direction of the shell in the telescopic channel and partially extend out of the telescopic channel, the casing with be provided with the locating part between the removable pin, the locating part is used for the removable pin top stretches out stop after flexible passageway predetermines the distance the removable pin continues to stretch out.

2. A fender according to claim 1 wherein the reinforcing strip is provided with a projection remote from the rear of the housing, the resilient member being connected between the projection and the base of the compression channel.

3. A fender according to claim 2 wherein the outer side of the lug contacts the inner side of the compression channel.

4. The buffer device as claimed in claim 1, wherein a guide portion is disposed at an outer side of a tail portion of the movable pin, guide grooves are disposed on the housing, the guide grooves correspond to the guide portions one by one and are distributed along a height direction, the guide portion is limited in the corresponding guide groove in a left-right direction and can slide up and down in the guide groove, and the guide portion prevents the movable pin from extending out of the telescopic channel when sliding up or down to a limit position.

5. The buffer device as claimed in claim 4, wherein the two guide portions are symmetrically arranged at the left and right sides of the middle portion of the movable pin, and the housing is provided with two guide grooves which are corresponding to the two guide portions one by one and distributed along the height direction.

6. A damper of claim 4 wherein said open slot is greater than or equal to said guide slot.

7. A damper of any one of claims 1 to 6 in which the resilient member is provided as a compression spring.

8. A damper device according to any one of claims 1 to 6, wherein the movable pin is provided at a top portion thereof with a connecting portion which is wide at the top and narrow at the bottom, and the connecting portion is externally threaded with a rubber contact member.

9. A damper according to any one of claims 1 to 6 wherein at least one inclined detent is provided on the housing at a position outside the top of the central portion.

10. A fender according to any one of claims 1 to 6 wherein the housing is provided in a barrel configuration.