CN211196295U - Mute flat-plate trolley - Google Patents
Mute flat-plate trolley Download PDFInfo
- Publication number
- CN211196295U CN211196295U CN201922048079.6U CN201922048079U CN211196295U CN 211196295 U CN211196295 U CN 211196295U CN 201922048079 U CN201922048079 U CN 201922048079U CN 211196295 U CN211196295 U CN 211196295U
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- Prior art keywords
- wheel
- plate
- mute
- bearing
- middle shaft
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000013016 damping Methods 0.000 claims abstract description 37
- 239000000428 dust Substances 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 3
- 230000000694 effects Effects 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model discloses a mute flat-plate small handcart, which comprises a cargo carrying plate, a handle and a wheel component; the wheel assembly comprises a wheel frame, wheels, a damping rod and a mounting plate, wherein the wheel frame comprises a first wheel plate, a second wheel plate, two wheel shafts and a middle shaft, two sides of the wheel shafts and the middle shaft are fixedly connected to the first wheel plate and the second wheel plate, the wheels are respectively arranged on the wheel shafts, the top of the damping rod is fixedly connected with the mounting plate, the bottom of the damping rod is connected with an adjusting rod, and one end, far away from the damping rod, of the adjusting rod is connected with the middle shaft through a bearing; the wheel comprises a mute bearing and a rubber sleeve sleeved outside the mute bearing, and is connected with the wheel shaft through the mute bearing. The utility model discloses a small handcart is through setting up the damping lever and rotating the wheel carrier of being connected with the damping lever for the wheel subassembly is when removing, and the wheel carrier can take place relative rotation with the damping lever simultaneously, makes the angle change of wheel, and the road surface can be hugged closely all the time to the wheel, can effectual noise reduction.
Description
Technical Field
The utility model relates to a shallow technical field especially relates to a dull and stereotyped small handcart of silence.
Background
All need use the small handcart as the instrument that the material was transported in many mills, small handcart simple structure, low cost, nevertheless because the operational environment in the factory building is complicated, factors such as ground condition difference, the small handcart often can be accompanied by great noise when removing, according to the investigation discovery, the noise often is the collision that comes from wheel and ground, when slope, pot hole appear on ground, the noise is huge very much, and the wheel of traditional small handcart is fixed, can't carry out automatically regulated according to the road surface.
SUMMERY OF THE UTILITY MODEL
For solving the problem that exists among the prior art, the utility model provides a dull and stereotyped small handcart of silence, this small handcart is through setting up the damping rod and rotate the wheel carrier of being connected with the damping rod for the wheel subassembly is when removing, and the wheel carrier can take place relative rotation with the damping rod simultaneously, makes the angle change of wheel, and the road surface is hugged closely all the time to the wheel, can effectual noise reduction.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a mute flat-plate trolley comprises a cargo carrying plate, a handle arranged on the cargo carrying plate and a plurality of wheel assemblies arranged below the cargo carrying plate;
the wheel assembly comprises a wheel frame, wheels, a damping rod and a mounting plate, wherein the wheel frame comprises a first wheel plate, a second wheel plate, two wheel shafts and a middle shaft, the first wheel plate and the second wheel plate are arranged in parallel, two sides of each wheel shaft and the middle shaft are fixedly connected to the first wheel plate and the second wheel plate, the middle shaft is positioned in the middle, the two wheel shafts are respectively positioned on two sides of the middle shaft, the wheels are respectively arranged on the wheel shafts, the top of the damping rod is fixedly connected with the mounting plate, the bottom of the damping rod is connected with an adjusting rod, and one end, away from the damping rod, of the adjusting rod is connected with the middle shaft through a bearing;
the wheel comprises a mute bearing and a rubber sleeve sleeved outside the mute bearing, and is connected with the wheel shaft through the mute bearing.
The utility model discloses a small handcart removes when the cargo-carrying removes, removes through the wheel, when small handcart met the road surface of slope, hollow, and the damping rod oppresses the wheel carrier and takes place relative rotation, makes the wheel hug closely the road surface all the time, and a plurality of wheel subassembly autonomous working, like this, the wheel can not bump with the road surface.
The utility model discloses a small handcart is through setting up the damping lever and rotating the wheel carrier of being connected with the damping lever for the wheel subassembly is when removing, and the wheel carrier can take place relative rotation with the damping lever simultaneously, makes the angle change of wheel, and the road surface can be hugged closely all the time to the wheel, can effectual noise reduction.
Preferably, the rubber sleeve comprises a hard sleeve positioned on the inner side and a soft sleeve positioned on the outer side, and the hard sleeve is connected with the mute bearing.
Through setting up soft cover and stereoplasm cover for under the prerequisite of guaranteeing rubber sleeve intensity, the part of wheel and road surface contact is softer, further reduction the noise when the wheel rolls.
Preferably, the thickness of stereoplasm cover is greater than the thickness of silence bearing, the inner wall of stereoplasm cover is equipped with the mounting groove, the mounting groove is located outside the silence bearing, the stereoplasm cover passes through the mounting groove is connected with the dust cover.
Noise when the small handcart moves is partly from the ageing or damage of bearing, through set up the dust cover in the stereoplasm cover, can play the effect of protection to the silence bearing, avoids the dust to get into simultaneously, prolongs the working life of silence bearing.
Preferably, the first wheel plate and the second wheel plate are both in a V shape, the middle shaft is located at the corner of the first wheel plate and the second wheel plate, and the wheel shaft is located at two ends of the first wheel plate and the second wheel plate.
Because the wheel carrier can take place relative rotation with the damping rod, when the wheel carrier rotated to a great angle, probably take place to interfere with other subassemblies, set up first wheel board and second wheel board into "V" font, can increase the maximum angle that the wheel carrier can rotate, the length of the pole of can also reducing the adjusting lever that can be suitable.
Preferably, the edge of the cargo carrying plate is provided with an anti-collision groove, an anti-collision wheel is arranged in the anti-collision groove, and the edge of the anti-collision wheel protrudes out of the edge of the cargo carrying plate.
Some of the noise generated when the small handcart moves comes from the collision between the cargo carrying plate and the outside, and the anti-collision wheels are arranged at the edge of the cargo carrying plate, so that the noise can be effectively reduced.
Preferably, the crashproof wheels are positioned at the corners of the cargo carrying plate.
The high district of sending out of collision is the corner of year goods board, sets up the anticollision wheel in the corner of year goods board, the silence effect of promotion small handcart that can be further.
Has the advantages that:
1. the trolley of the utility model is provided with the damping rod and the wheel carrier which is rotationally connected with the damping rod, so that when the wheel component moves, the wheel carrier and the damping rod can rotate relatively, the angle of the wheel changes, and the wheel is always tightly attached to the road surface, thereby effectively reducing noise;
2. by arranging the soft sleeve and the hard sleeve, the part of the wheel, which is in contact with the road surface, is softer on the premise of ensuring the strength of the rubber sleeve, so that the noise generated when the wheel rolls is further reduced;
3. part of noise generated when the trolley moves comes from the aging or damage of the bearing, and the dust cover is arranged in the hard sleeve, so that the mute bearing can be protected, dust is prevented from entering the mute bearing, and the service life of the mute bearing is prolonged;
4. because the wheel frame and the damping rod rotate relatively, when the wheel frame rotates to a larger angle, the wheel frame may interfere with other components, and the first wheel plate and the second wheel plate are arranged into a V shape, so that the maximum angle of the wheel frame capable of rotating can be increased, and the length of the adjusting rod can be properly reduced;
5. part of noise generated when the small cart moves comes from collision between the cargo carrying plate and the outside, and the collision prevention wheels are arranged at the edge of the cargo carrying plate, so that the part of noise can be effectively reduced;
6. the high district of sending out of collision is the corner of year goods board, sets up the anticollision wheel in the corner of year goods board, the silence effect of promotion small handcart that can be further.
Drawings
Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a wheel assembly according to embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a wheel according to embodiment 1 of the present invention;
fig. 4 is a schematic top view of the wheel frame according to embodiment 1 of the present invention;
fig. 5 is a schematic structural view of a wheel according to embodiment 2 of the present invention;
fig. 6 is a schematic structural view of a wheel assembly according to embodiment 3 of the present invention;
fig. 7 is a schematic top view of embodiment 4 of the present invention;
fig. 8 is a schematic front view of embodiment 4 of the present invention.
Reference numerals:
10. a cargo carrying plate; 11. a handle; 12. an anti-collision wheel; 13. an anti-collision groove; 20. a wheel assembly; 21. mounting a plate; 22. a damping lever; 23. adjusting a rod; 24. a wheel carrier; 241. a first wheel plate; 242. a second wheel plate; 243. a middle shaft; 244. a wheel axle; 25. a wheel; 251. a mute bearing; 252. a rubber sleeve; 2521. a hard cover; 2522. and (6) soft sleeving.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
example 1:
as shown in fig. 1, a silent flat cart comprises a cargo carrying board 10, a handle 11 disposed on the cargo carrying board 10, and a plurality of wheel assemblies 20 disposed under the cargo carrying board 10, wherein in the present embodiment, four sets of wheel assemblies 20 are provided, and the cargo carrying board 10 is rectangular and disposed at four corners of the bottom surface of the cargo carrying board 10.
The wheel assembly 20 comprises a wheel frame 24, wheels 25, a damping rod 22 and a mounting plate 21, wherein the wheel frame 24 comprises a first wheel plate 241, a second wheel plate 242, two wheel shafts 244 and a middle shaft 243, the first wheel plate 241 and the second wheel plate 242 are arranged in parallel, two sides of the wheel shafts 244 and the middle shaft 243 are fixedly connected to the first wheel plate 241 and the second wheel plate 242, the middle shaft 243 is located in the middle, the two wheel shafts 244 are respectively located on two sides of the middle shaft 243, the wheels 25 are respectively arranged on the wheel shafts 244, the top of the damping rod 22 is fixedly connected with the mounting plate 21, the bottom of the damping rod 22 is connected with an adjusting rod 23, one end, far away from the damping rod 22, of the adjusting rod 23 is connected with the middle shaft 243 through a bearing, and the wheel.
The wheel 25 comprises a mute bearing 251 and a rubber sleeve 252 sleeved outside the mute bearing 251, and the wheel 25 is connected with the wheel shaft 244 through the mute bearing 251.
The utility model discloses a small handcart removes when the cargo-carrying removes, removes through wheel 25, and when small handcart met the road surface of slope, hollow, damping rod 22 oppressed wheel carrier 24 and taken place relative rotation, made wheel 25 hug closely the road surface all the time, and a plurality of wheel subassembly 20 autonomous working, like this, wheel 25 can not bump with the road surface.
The utility model discloses a small handcart is through setting up damping rod 22 and rotating the wheel carrier 24 of being connected with damping rod 22 for wheel subassembly 20 is when removing, and wheel carrier 24 can take place relative rotation with damping rod 22 simultaneously, makes the angular variation of wheel 25, and the road surface can be hugged closely all the time to wheel 25, can effectual noise reduction.
Example 2:
as shown in fig. 5, in example 2, in addition to example 1, the rubber sleeve 252 includes a hard sleeve 2521 located inside and a soft sleeve 2522 located outside, and the hard sleeve 2521 is connected to the silent bearing 251. The thickness of the hard sleeve 2521 is greater than that of the mute bearing 251, the inner wall of the hard sleeve 2521 is provided with a mounting groove, the mounting groove is located outside the mute bearing 251, and the hard sleeve 2521 is connected with a dust cover through the mounting groove.
By arranging the soft sleeve 2522 and the hard sleeve 2521, the part of the wheel 25 in contact with the road surface is softer on the premise of ensuring the strength of the rubber sleeve 252, and the noise generated when the wheel 25 rolls is further reduced.
Some noises generated when the trolley moves are caused by aging or damage of the bearing, and the dust cover is arranged in the hard sleeve 2521, so that the mute bearing 251 can be protected, dust is prevented from entering, and the service life of the mute bearing 251 is prolonged.
Embodiment 2 the rest of the structure and the operation principle are the same as those of embodiment 1.
Example 3:
as shown in fig. 6, in embodiment 3, based on embodiment 1, the first wheel plate 241 and the second wheel plate 242 are both in a "V" shape, the middle axle 243 is located at the corner of the first wheel plate 241 and the second wheel plate 242, and the wheel axle 244 is located at both ends of the first wheel plate 241 and the second wheel plate 242.
Since the wheel frame 24 and the damping rod 22 rotate relatively, when the wheel frame 24 rotates to a large angle, interference with other components may occur, and the first wheel plate 241 and the second wheel plate 242 are arranged in a "V" shape, the maximum angle that the wheel frame 24 can rotate can be increased, and the length of the adjusting rod 23 can be appropriately reduced.
Embodiment 3 the rest of the structure and the operation principle are the same as those of embodiment 1.
Example 4:
as shown in fig. 7 and 8, in embodiment 4, on the basis of embodiment 1, an anti-collision groove 13 is formed in the edge of the cargo board 10, an anti-collision wheel 12 is arranged in the anti-collision groove 13, and the edge of the anti-collision wheel 12 protrudes out of the edge of the cargo board 10. The crash wheels 12 are located at the corners of the cargo board 10.
Part of the noise generated when the small handcart moves comes from the collision of the cargo carrying plate 10 with the outside, and the collision-prevention wheels 12 are arranged at the edge of the cargo carrying plate 10, so that the part of the noise can be effectively reduced.
The corners of the cargo carrying plate 10 are high-rise areas for collision, and the anti-collision wheels 12 are arranged at the corners of the cargo carrying plate 10, so that the mute effect of the trolley can be further improved.
Example 4 the rest of the structure and the operation principle are the same as those of example 1.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (6)
1. A mute flat trolley is characterized by comprising a cargo carrying plate, a handle arranged on the cargo carrying plate and a plurality of wheel assemblies arranged below the cargo carrying plate;
the wheel assembly comprises a wheel frame, wheels, a damping rod and a mounting plate, wherein the wheel frame comprises a first wheel plate, a second wheel plate, two wheel shafts and a middle shaft, the first wheel plate and the second wheel plate are arranged in parallel, two sides of each wheel shaft and the middle shaft are fixedly connected to the first wheel plate and the second wheel plate, the middle shaft is positioned in the middle, the two wheel shafts are respectively positioned on two sides of the middle shaft, the wheels are respectively arranged on the wheel shafts, the top of the damping rod is fixedly connected with the mounting plate, the bottom of the damping rod is connected with an adjusting rod, and one end, away from the damping rod, of the adjusting rod is connected with the middle shaft through a bearing;
the wheel comprises a mute bearing and a rubber sleeve sleeved outside the mute bearing, and is connected with the wheel shaft through the mute bearing.
2. The quiet flat cart of claim 1, wherein said rubber boot comprises a hard boot on the inside and a soft boot on the outside, said hard boot being connected to a quiet bearing.
3. The mute flat wagon of claim 2, wherein the thickness of the hard sleeve is greater than that of the mute bearing, the inner wall of the hard sleeve is provided with an installation groove, the installation groove is positioned outside the mute bearing, and the hard sleeve is connected with a dust cover through the installation groove.
4. The quiet flat cart of claim 1, wherein said first and second wheel plates are each "V" shaped, said center axle is located at a corner of said first and second wheel plates, and said axle is located at both ends of said first and second wheel plates.
5. The quiet flat cart according to claim 1, wherein the edge of said cargo carrying board is provided with an anti-collision groove, an anti-collision wheel is arranged in said anti-collision groove, and the edge of said anti-collision wheel protrudes out of the edge of said cargo carrying board.
6. The quiet flat cart of claim 5, wherein said crash wheels are located at corners of said cargo board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922048079.6U CN211196295U (en) | 2019-11-23 | 2019-11-23 | Mute flat-plate trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922048079.6U CN211196295U (en) | 2019-11-23 | 2019-11-23 | Mute flat-plate trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211196295U true CN211196295U (en) | 2020-08-07 |
Family
ID=71881937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922048079.6U Expired - Fee Related CN211196295U (en) | 2019-11-23 | 2019-11-23 | Mute flat-plate trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211196295U (en) |
-
2019
- 2019-11-23 CN CN201922048079.6U patent/CN211196295U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200807 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |