CN214240288U - Caster with shock-absorbing function - Google Patents
Caster with shock-absorbing function Download PDFInfo
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- CN214240288U CN214240288U CN202022714841.2U CN202022714841U CN214240288U CN 214240288 U CN214240288 U CN 214240288U CN 202022714841 U CN202022714841 U CN 202022714841U CN 214240288 U CN214240288 U CN 214240288U
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- seat
- clamping piece
- wheel seat
- elastic body
- hollow structure
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Abstract
The utility model discloses a caster with shock absorption function, which comprises a fixed seat, a clamping rod, a wheel seat, a shock absorption device and two wheels; the rear end of the clamping seat is connected with the fixed seat in a relatively rotatable manner through a clamping rod; the front end of the clamping seat is provided with a first hollow structure penetrating through the upper end and the lower end of the clamping seat; the lower end of the wheel seat is connected with two wheels through a rotating shaft, the upper end of the wheel seat is slidably inserted into the first hollow structure, and the upper end of the wheel seat is provided with a second hollow structure with an opening at the upper end; the damping device comprises an upper clamping piece, a lower clamping piece and an elastic body; the elastomer is made of rubber or TPE; the elastic body is arranged in the second hollow structure; the upper end of elastomer is through last fastener fixed connection in the upper end of wheel seat, and the lower extreme of elastomer is connected on the wheel seat through fastener down, all is equipped with the bar slide opening that corresponds with fastener down in the left and right sides of wheel seat, and the both ends correspondence of fastener down pass two bar slide openings after respectively with cassette fixed connection. The utility model discloses the shock attenuation is effectual.
Description
Technical Field
The utility model relates to a truckle technical field specifically relates to a truckle with shock-absorbing function.
Background
Luggage has long become a necessary luggage article for people to go out for a short time or travel for a long time, and the luggage can contain different objects in quantity or volume due to different sizes and capacities. Because the luggage case is generally provided with the trundles, people can move the luggage case at any time in push-pull and other modes.
Many of the currently marketed casters for mounting on luggage cases have a shock absorbing device, and these shock absorbing devices generally utilize the expansion and contraction force of a spring (such as a metal spring) to achieve the shock absorbing effect. However, the caster using a spring for shock absorption has certain disadvantages, such as: 1. the service life of the spring is not long enough, so that the service life of the caster is reduced; 2. the damping effect is not good enough.
Accordingly, there is a need for improvements in the art.
SUMMERY OF THE UTILITY MODEL
To the problem that prior art exists above, the utility model aims at providing a truckle with shock-absorbing function, it has that simple structure is reasonable, the shock attenuation is effectual, the noise is less, long service life and overhaul maintain advantages such as simple.
In order to realize the purpose, the technical scheme of the utility model is that:
a caster with a shock absorption function comprises a fixed seat, a clamping rod, a wheel seat, a shock absorption device and two wheels; the rear end of the clamping seat is connected with the fixed seat in a relatively rotatable manner through the clamping rod; the front end of the clamping seat is provided with a first hollow structure penetrating through the upper end and the lower end of the clamping seat; the lower end of the wheel seat is connected with the two wheels through a rotating shaft, the upper end of the wheel seat is slidably inserted into the first hollow structure, and the upper end of the wheel seat is provided with a second hollow structure with an opening at the upper end; the damping device comprises an upper clamping piece, a lower clamping piece and an elastic body; the elastomer is made of rubber or TPE; the elastic body is arranged in the second hollow structure; the upper end of the elastic body is fixedly connected to the upper end of the wheel seat through the upper clamping piece, the lower end of the elastic body is connected to the wheel seat through the lower clamping piece, strip-shaped sliding holes used for enabling the lower clamping piece to slide up and down are formed in the left side and the right side of the wheel seat, and the two ends of the lower clamping piece are respectively fixedly connected with the clamping seat after correspondingly penetrating through the two strip-shaped sliding holes.
As a specific embodiment, a vertically extending guide groove is formed on the outer wall of the upper end of the wheel seat; and a guide strip correspondingly matched with the guide groove is arranged at the edge of the first hollow structure.
Furthermore, the two guide grooves are symmetrically arranged; two guide strips are correspondingly arranged.
As a specific embodiment, the wheel seat comprises a connecting part and an inserting part which are sequentially connected from bottom to top, the connecting part is connected with the two wheels through the rotating shaft, the inserting part is slidably inserted into the first hollow structure, and the shape and the size of the inserting part are matched with those of the first hollow structure; the second hollow structure is arranged on the insertion part, and the strip-shaped sliding hole is also arranged on the insertion part.
Furthermore, a first through hole for penetrating the middle part of the upper clamping piece is formed in the upper end of the elastic body; the left side and the right side of the upper end of the insertion part are respectively provided with a second through hole for penetrating the end part of the upper clamping piece; the lower end of the elastic body is provided with a third through hole for penetrating the middle part of the lower clamping piece; and the left side and the right side of the front end of the clamping seat are respectively provided with a fourth through hole for penetrating the end part of the lower clamping piece.
Furthermore, four fillets which are symmetrical in pairs are arranged on the outer wall of the insertion part, and arc-shaped parts corresponding to the fillets are arranged at the positions, corresponding to the fillets, of the edge of the first hollow structure.
As a specific example, the elastomer is solid.
As a specific example, a reinforcing rib integrally formed with the elastic body is provided on an outer wall of the elastic body.
Furthermore, the reinforcing ribs are provided with a plurality of reinforcing ribs distributed on two sides of the elastic body.
As a specific example, the upper clip piece and the lower clip piece are both pins.
The utility model has the advantages that:
the utility model has simple and reasonable structure, can play a good role in damping by arranging the elastic body which has good restorability and is made of rubber or TPE, has long service life and also improves the service life of the utility model; because the upper end of the elastic body is connected with the upper clamping piece, the lower end of the elastic body is connected with the lower clamping piece, and two ends of the lower clamping piece are connected with the clamping seat, the effect of pulling the elastic body to deform upwards can be achieved when the wheel seat slides upwards, and the lower clamping piece is driven to reset when the elastic body is restored to the original state, namely, the elastic body is extended and contracted, so that a good damping effect is achieved; and simultaneously, the utility model has the advantages that the whole structure is simple, inserts through the upper end slidable of wheel seat in the use and establishes in first hollow structure, deuterogamies the use of elastomer to make wheel seat stability in the slip in-process high, and the holistic noise of truckle is less.
(II) the utility model discloses a set up guide way and gib block to stability when can improving the wheel seat and slide has also improved the shock attenuation effect to a certain extent.
(III) the utility model discloses a divide the wheel seat to establish to connecting portion and grafting portion to let between wheel seat and the cassette more easy to assemble.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an exploded view of the present invention;
fig. 3 is a longitudinal sectional view of the present invention;
fig. 4 is a partial structural schematic diagram of the present invention;
fig. 5 is a schematic structural view of the elastic body of the present invention.
Reference numerals:
1. a fixed seat; 21. a first hollow structure; 211. a guide strip; 2. a card holder; 3. a clamping rod; 4. a wheel seat; 5. a wheel; 6. a rotating shaft; 41. a connecting portion; 42. a plug-in part; 421. a second hollow structure; 422. a strip-shaped slide hole; 423. a guide groove; 7. an upper clamping piece; 8. a lower clamping piece; 9. an elastomer; 10. a first perforation; 11. a second perforation; 12. a third perforation; 13. a fourth perforation; 14. and (4) rounding.
Detailed Description
The invention will be further elucidated with reference to the drawings and the embodiments, which are exemplary only and do not limit the scope of the invention.
As shown in fig. 1-5, a caster with shock-absorbing function comprises a fixed seat 1, a clamping seat 2, a clamping rod 3, a wheel seat 4, a shock-absorbing device and two wheels 5; the rear end of the clamping seat 2 is connected with the fixed seat 1 in a relatively rotatable manner through a clamping rod 3, namely, the clamping seat 2 and the fixed seat 2 are both rotatable; the front end of the clamping seat 2 is provided with a first hollow structure 21 penetrating through the upper end and the lower end of the clamping seat; the lower end of the wheel seat 4 is connected with two wheels 5 through a rotating shaft 6, the upper end of the wheel seat 4 is slidably inserted into the first hollow structure 21, and the upper end of the wheel seat 4 is provided with a second hollow structure 421 with an opening at the upper end; the damping device comprises an upper clamping piece 7, a lower clamping piece 8 and an elastic body 9; the elastomer 9 is made of rubber or TPE; the elastic body 9 is mounted in the second hollow structure 421; the upper end of elastomer 9 is through last fastener 7 fixed connection in the upper end of wheel seat 4, and the lower extreme of elastomer 9 is connected on wheel seat 4 through fastener 8 down, all is equipped with the bar slide opening 422 that is used for supplying fastener 8 gliding from top to bottom down in the left and right sides of wheel seat 4, and the both ends correspondence of fastener 8 down pass behind two bar slide openings 422 respectively with cassette 2 fixed connection. Preferably, the elastic body 9 is solid, so that it can be ensured that the elastic body 9 is not easily damaged, and it can provide sufficient elastic force. The utility model has simple and reasonable structure, the elastic body 9 which has good restorability and is made of rubber or TPE can play a good role in damping, and the elastic body 9 made of rubber or TPE has long service life, thereby improving the service life of the utility model; because the upper end of the elastic body 9 is connected with the upper clamping piece 7, the lower end is connected with the lower clamping piece 8, and two ends of the lower clamping piece 8 are connected with the clamping seat 2, the effect of pulling the elastic body 9 to deform upwards can be achieved when the wheel seat 4 slides upwards, and the elastic body 9 drives the lower clamping piece 8 to reset when being recovered, namely, a good damping effect is achieved through the extension and contraction of the elastic body 9; and simultaneously, the utility model has the advantages that the whole structure is simple, inserts in first hollow structure 21 through the upper end slidable of wheel seat 4 in the use, deuterogamies the use of elastomer 9 to make wheel seat 4 high at slip in-process stability, and the holistic noise of truckle is less.
As shown in fig. 2, a vertically extending guide groove 423 is provided on an outer wall of an upper end of the wheel seat 4; the first hollow structure 21 has a guide bar 211 at its edge to be fitted into the guide groove 423. The wheel seat 4 can be well helped to slide by arranging the guide groove 423 and the guide strip 211, so that the wheel seat 4 can move more stably and is not easy to deviate from a preset route.
Preferably, two guide grooves 423 are provided, and the two guide grooves 423 are symmetrically arranged; two guide bars 211 are provided correspondingly. The stability of the wheel seat 4 during movement can be further improved through the arrangement.
As shown in fig. 2, the wheel seat 4 includes a connecting portion 41 and an inserting portion 42 sequentially connected from bottom to top, the connecting portion 41 is connected to the two wheels 5 through the rotating shaft 6, the inserting portion 42 is slidably inserted into the first hollow structure 21, and the shape and size of the inserting portion 42 are matched with the shape and size of the first hollow structure 21; the second hollow structure 421 is disposed on the insertion part 42, and the strip-shaped sliding hole 422 is also disposed on the insertion part 42. Specifically, the width of the connection portion 41 is larger than that of the insertion portion 42. Specifically, the connection portion 41 and the insertion portion 42 are integrally formed. Through above setting up can let grafting portion 42 slidable insert more conveniently and establish in first hollow structure 21 and improved the sliding stability of wheel seat 4, simultaneously, can also make the utility model discloses the installation is produced more easily, has improved the packaging efficiency promptly.
As shown in fig. 2, a first through hole 10 for penetrating the middle part of the upper clip piece 7 is arranged at the upper end of the elastic body 9; the left side and the right side of the upper end of the insertion part 42 are respectively provided with a second through hole 11 for penetrating the end part of the upper clamping piece 7; a third through hole 12 for penetrating the middle part of the lower clamping piece 8 is arranged at the lower end of the elastic body 9; the left side and the right side of the front end of the clamping seat 2 are respectively provided with a fourth through hole 13 for penetrating the end part of the lower clamping piece 8. The upper clamping piece 7, the lower clamping piece 8 and the elastic body 9 can be conveniently installed through the arrangement.
Four fillets 14 which are symmetrical in pairs are arranged on the outer wall of the insertion part 42, and arc-shaped parts corresponding to the fillets 14 are arranged at the positions, corresponding to the fillets 14, of the edge of the first hollow structure 21. The stability of the insertion part 42 during sliding is improved to a certain extent by the above arrangement.
As shown in fig. 5, the outer wall of the elastic body 9 is provided with a plurality of ribs integrally formed with the elastic body 9, and more specifically, the plurality of ribs are provided and distributed on both sides of the elastic body 9. The service life of the elastic body 9 can be prolonged by arranging the reinforcing ribs, and the elastic force of the elastic body 9 can be large enough.
In this embodiment, the upper clamping piece 7 and the lower clamping piece 8 are both pins, so that the upper clamping piece 7 and the lower clamping piece 8 can be installed and fixed more easily, and when the upper clamping piece and the lower clamping piece are fixed, only a fixing piece is connected to the free end of each pin.
In the use process of the utility model, when the wheel 5 bumps, the wheel seat 4 is driven to move upwards, namely the insertion part 42 moves upwards along the first hollow structure 21, because the two ends of the lower clamping piece 8 are fixed on the clamping seat 2 and the lower clamping piece 8 is arranged in the strip-shaped sliding hole 422 in a penetrating way, and the two ends of the upper clamping piece 7 are fixed on the insertion part 42, the upper clamping piece 7 is driven to slide in the upward sliding process of the insertion part 42, and the upper clamping piece 7 drives the elastic body 9 to extend upwards; then, when the elastic body 9 contracts, the wheel seat 4 is driven to reset, and the shock absorption effect is achieved.
To sum up, the utility model has the advantages of simple structure is reasonable, the shock attenuation is effectual, the noise is less, long service life and maintenance are simple.
The present invention is not limited to the above embodiment, and if various modifications or variations of the present invention do not depart from the spirit and scope of the present invention, they are intended to be covered if they fall within the scope of the claims and the equivalent technology of the present invention.
Claims (10)
1. A truckle with shock-absorbing function which characterized in that:
comprises a fixed seat, a clamping rod, a wheel seat, a damping device and two wheels; the rear end of the clamping seat is connected with the fixed seat in a relatively rotatable manner through the clamping rod; the front end of the clamping seat is provided with a first hollow structure penetrating through the upper end and the lower end of the clamping seat; the lower end of the wheel seat is connected with the two wheels through a rotating shaft, the upper end of the wheel seat is slidably inserted into the first hollow structure, and the upper end of the wheel seat is provided with a second hollow structure with an opening at the upper end; the damping device comprises an upper clamping piece, a lower clamping piece and an elastic body; the elastomer is made of rubber or TPE; the elastic body is arranged in the second hollow structure; the upper end of the elastic body is fixedly connected to the upper end of the wheel seat through the upper clamping piece, the lower end of the elastic body is connected to the wheel seat through the lower clamping piece, strip-shaped sliding holes used for enabling the lower clamping piece to slide up and down are formed in the left side and the right side of the wheel seat, and the two ends of the lower clamping piece are respectively fixedly connected with the clamping seat after correspondingly penetrating through the two strip-shaped sliding holes.
2. The caster with a shock-absorbing function as claimed in claim 1, wherein:
the outer wall of the upper end of the wheel seat is provided with a vertically extending guide groove; and a guide strip correspondingly matched with the guide groove is arranged at the edge of the first hollow structure.
3. The caster with a shock-absorbing function as claimed in claim 2, wherein:
the two guide grooves are symmetrically arranged; two guide strips are correspondingly arranged.
4. The caster with a shock-absorbing function as claimed in claim 1, wherein:
the wheel seat comprises a connecting part and an inserting part which are sequentially connected from bottom to top, the connecting part is connected with the two wheels through the rotating shaft, the inserting part is slidably inserted in the first hollow structure, and the shape and the size of the inserting part are matched with those of the first hollow structure; the second hollow structure is arranged on the insertion part, and the strip-shaped sliding hole is also arranged on the insertion part.
5. The caster with a shock-absorbing function as claimed in claim 4, wherein:
the upper end of the elastic body is provided with a first through hole for penetrating the middle part of the upper clamping piece; the left side and the right side of the upper end of the insertion part are respectively provided with a second through hole for penetrating the end part of the upper clamping piece; the lower end of the elastic body is provided with a third through hole for penetrating the middle part of the lower clamping piece; and the left side and the right side of the front end of the clamping seat are respectively provided with a fourth through hole for penetrating the end part of the lower clamping piece.
6. The caster with a shock-absorbing function as claimed in claim 4, wherein:
the outer wall of the insertion part is provided with four fillets which are symmetrical in pairs, and arc-shaped parts corresponding to the fillets are arranged at the positions, corresponding to the fillets, of the edges of the first hollow structures.
7. The caster with a shock-absorbing function as claimed in claim 1, wherein:
the elastomer is solid.
8. The caster with a shock-absorbing function as claimed in claim 1, wherein:
and the outer wall of the elastic body is provided with a reinforcing rib which is integrally formed with the elastic body.
9. The caster with a shock-absorbing function as claimed in claim 8, wherein:
the reinforcing ribs are arranged on the two sides of the elastic body in a plurality of numbers.
10. The caster with a shock-absorbing function as claimed in claim 1, wherein:
the upper clamping piece and the lower clamping piece are both pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022714841.2U CN214240288U (en) | 2020-11-19 | 2020-11-19 | Caster with shock-absorbing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022714841.2U CN214240288U (en) | 2020-11-19 | 2020-11-19 | Caster with shock-absorbing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214240288U true CN214240288U (en) | 2021-09-21 |
Family
ID=77733765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022714841.2U Active CN214240288U (en) | 2020-11-19 | 2020-11-19 | Caster with shock-absorbing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214240288U (en) |
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2020
- 2020-11-19 CN CN202022714841.2U patent/CN214240288U/en active Active
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