CN211617312U - Universal braking double wheel - Google Patents
Universal braking double wheel Download PDFInfo
- Publication number
- CN211617312U CN211617312U CN201921908439.9U CN201921908439U CN211617312U CN 211617312 U CN211617312 U CN 211617312U CN 201921908439 U CN201921908439 U CN 201921908439U CN 211617312 U CN211617312 U CN 211617312U
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- CN
- China
- Prior art keywords
- braking
- shaft
- plate
- bearing
- seat
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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.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/0036—Castors in general; Anti-clogging castors characterised by type of wheels
- B60B33/0042—Double or twin wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/0078—Castors in general; Anti-clogging castors characterised by details of the wheel braking mechanism
Abstract
A universal braking double wheel comprises a main bracket, an auxiliary bracket, a shaft body, two trundles, a rotating external member, a braking part and a braking driving part, wherein a driving part of the braking part, a wheel braking part, a pivoting part and a stop plate connected with the pivoting part are integrally formed by plastic materials, and the braking plate is made of a manganese steel plate; the brake kit comprises a hole top cover, a plastic gear shaft and a bearing, wherein the hole top cover comprises a top cover body, a shaft sleeve and an arc-shaped pin plate; the plastic gear shaft comprises a shaft sleeve part, a braking fluted disc, counter bores and an arc-shaped pin groove, one bearing is arranged in an upper bearing seat on the shaft seat, the other bearing is arranged on a lower bearing seat, the lower end of the plastic gear shaft is fixedly connected with an inner ring of the bearing on the lower bearing seat, the shaft sleeve of the hole top cover is fixedly connected with an inner ring of the bearing on the upper bearing seat, the shaft sleeve is inserted into the counter bores of the shaft sleeve part, and the arc-shaped pin plate is inserted into the arc-shaped pin groove. The braking piece is made of plastic materials and manganese sheets, so that the service life is prolonged; the brake kit adopts such a structure, and the operation is stable.
Description
Technical Field
The utility model relates to a universal caster.
Background
In the prior art, a universal braking double wheel comprises a main support, an auxiliary support, a shaft body, two trundles, a rotating sleeve member, a braking member and a braking driving member, wherein the main support comprises a longitudinal hollow shaft seat and a semicircular cavity with a lower opening, a fixed shaft hole and a braking extending hole are formed in the wall of the semicircular cavity, and the shaft seat is communicated with the semicircular cavity through a guide hole; the auxiliary bracket comprises two semicircular frame plates, a pivoting plate arranged on the semicircular frame plates and a lower shaft seat connecting the two semicircular frame plates, wherein the pivoting plate is provided with a fixed shaft hole and a pivoting hole positioned at the upper part of the fixed shaft hole, and the shaft seat and the semicircular cavity are provided with guide holes; the braking part comprises a driving part, wheel braking parts positioned on two sides of the driving part, a pivoting part, a stop plate connected with the pivoting part and a braking plate with braking teeth, and the braking part is made of metal materials or plastic materials in an integrated molding mode; the brake driving piece comprises a pin joint driving part, a transmission part, an arc-shaped guide part and a brake pedal; the main bracket is fixedly connected with the auxiliary bracket, and the shaft seat is connected with the lower shaft seat; the brake plate passes through the guide hole and is matched with the rotating sleeve member for braking. There are problems in that: the braking part is made of plastic materials, and has poor abrasion resistance; the braking part is made of a single metal material, so that other parts are easily damaged; the rotating sleeve member does not run stably.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: provides a universal braking double wheel which not only has stable running, but also has long service life.
The utility model discloses a realize like this: a universal braking double wheel comprises a main support, an auxiliary support, a shaft body, two trundles, a rotating sleeve, a braking part and a braking driving part, wherein the main support comprises a longitudinal hollow shaft seat and a semicircular cavity with a lower opening, a fixed shaft hole and a braking extending hole are formed in the wall of the semicircular cavity, and the shaft seat is communicated with the semicircular cavity through a guide hole; the auxiliary bracket comprises two semicircular frame plates, a pivoting plate arranged on the semicircular frame plates and a lower shaft seat connecting the two semicircular frame plates, wherein the pivoting plate is provided with a fixed shaft hole and a pivoting hole positioned at the upper part of the fixed shaft hole; the braking part comprises a driving part, wheel braking parts positioned on two sides of the driving part, a pivoting part, a stop plate connected with the pivoting part and a braking plate with braking teeth; the brake driving piece comprises a pin joint driving part, a transmission part, an arc-shaped guide part and a brake pedal; the main bracket is fixedly connected with the auxiliary bracket, and the shaft seat is connected with the lower shaft seat; the brake plate penetrates through the guide hole to be matched with the rotating sleeve member for braking; it is characterized in that: the driving part of the braking part, the wheel braking part, the pivoting part and the stop plate connected with the pivoting part are integrally formed by plastic materials, and the braking plate is made of a manganese steel plate;
the braking sleeve comprises a hole top cover, a plastic gear shaft and two bearings,
the hole top cover comprises a top cover body, a shaft sleeve and an arc-shaped pin plate positioned at the lower end of the shaft sleeve;
the plastic gear shaft comprises a shaft sleeve part, a braking fluted disc positioned on the shaft sleeve part, a counter bore positioned at the upper end of the shaft sleeve part and an arc-shaped pin groove positioned at the lower part of the counter bore,
the bearing is arranged in an upper bearing seat on the shaft seat, the other bearing is arranged on a lower bearing seat, the lower end of the plastic gear shaft is fixedly connected with an inner ring of the bearing on the lower bearing seat, a shaft sleeve of the hole top cover is fixedly connected with an inner ring of the bearing on the upper bearing seat, the shaft sleeve is inserted into a counter bore of the shaft sleeve part, and the circular arc pin plate is inserted into the circular arc pin groove.
The universal braking double wheel is characterized in that: and an upper pedal for releasing braking is arranged at the upper end of the arc-shaped guide part of the braking driving piece.
The universal braking double wheel is characterized in that: and one ends of the two semicircular frame plates of the auxiliary bracket, which are opposite to the lower shaft seat, are provided with reset stop plates.
The utility model relates to a universal braking double wheel, the braking part is made of plastic material and manganese sheet, which prolongs the service life; the brake kit adopts such a structure, and the operation is stable.
Drawings
Fig. 1 is a sectional view of the present invention.
Fig. 2 is a perspective view of the present invention.
Fig. 3 is one of the exploded perspective views of the present invention.
Fig. 4 is a second exploded perspective view of the present invention.
Fig. 5 is a third exploded perspective view of the present invention.
Fig. 6 is a fourth exploded perspective view of the present invention.
Fig. 7 is a perspective sectional view of the sub-mount of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, a universal braking double wheel comprises a main bracket 1, an auxiliary bracket 2, a shaft body 3, two caster wheels 4, a rotating sleeve 5, a braking member 6 and a braking driving member 7, wherein the main bracket 1 comprises a longitudinal hollow shaft seat 11 and a semicircular cavity 12 with a lower opening, a fixed shaft hole 121 and a braking extending hole 122 are arranged on the wall of the semicircular cavity 12, and the shaft seat 11 is communicated with the semicircular cavity 12 through a guide hole; the auxiliary bracket 2 comprises two semicircular frame plates 21, a pivoting plate 22 arranged on the semicircular frame plates and a lower shaft seat 23 connecting the two semicircular frame plates, wherein the pivoting plate 22 is provided with a fixed shaft hole 221 and a pivoting hole 222 positioned at the upper part of the fixed shaft hole; the braking part 6 comprises a driving part 61, wheel braking parts 62 positioned at two sides of the driving part, a pivoting part 62, a stop plate 64 connected with the pivoting part and a braking plate 65 with braking teeth; the brake driving member 7 comprises a pivot driving part 71, a transmission part 72, a circular arc guide part 73 and a brake pedal 74; the main bracket 1 is fixedly connected with the auxiliary bracket 2, the shaft seat 11 is connected with the lower shaft seat 23, and the pivoting plate 22 is inserted into the semicircular cavity 12; the pivoting part 63 is pivoted and matched with the pivoting plate 22, the braking plate 65 passes through the guide hole 13 to be matched with the rotating sleeve member 5 for braking, and the wheel braking member 62 passes through the braking extending hole 122 to be matched with the caster 4 for braking; the pivoting driving part 71 extends between the two pivoting plates 22, the shaft body 3 passes through a fixed shaft hole 221 on the pivoting plate 22 and a fixed shaft hole 121 on the wall of the semicircular cavity 12, two ends of the shaft body 3 are connected with the caster 4 through bearings, and the circular arc-shaped guiding part 73 is in sliding fit with the outer circumferential wall of the semicircular cavity 12; the stop plate 64 on the stop member 6 engages with the stop 123 of the peripheral wall of the semi-circular chamber 12.
The driving part 61, the wheel braking part 62, the pivoting part 63 and the stop plate 64 connected with the pivoting part of the braking part 6 are integrally formed by plastic materials, and the braking plate 65 is made of a manganese steel plate;
the braking assembly 5 comprises a hole top cover 51, a plastic gear shaft 52 and two bearings 53,
the hole top cover 51 comprises a top cover body 51, a shaft sleeve 52 and a circular arc pin plate 53 positioned at the lower end of the shaft sleeve;
the plastic gear shaft 52 comprises a shaft sleeve part 521, a braking gear disc 522 positioned on the shaft sleeve part, a counter bore positioned at the upper end of the shaft sleeve part and a circular arc-shaped pin groove positioned at the lower part of the counter bore,
as shown in fig. 1, a bearing 53 is arranged in an upper bearing seat on the shaft seat 11, another bearing 53 is arranged on a lower bearing seat, the lower end of a shaft sleeve part 521 of the plastic gear shaft 52 is fixedly connected with an inner ring of the bearing 53 on the lower bearing seat, a shaft sleeve 512 of the hole top cover 51 is fixedly connected with an inner ring of the bearing 53 on the upper bearing seat, the shaft sleeve 512 is inserted into a counter bore of the shaft sleeve part 521, and a circular arc pin plate 513 is inserted into a circular arc pin groove.
An upper pedal 75 for releasing the brake is provided at the upper end of the circular arc guide portion 73 of the brake actuator 7.
And one ends of the two semicircular frame plates 21 of the auxiliary bracket 3, which are opposite to the lower shaft seat 23, are provided with a resetting stop plate 24, and the resetting stop plate 24 is matched with the transmission part 72 and the circular arc-shaped guide part 73 for stopping.
Fig. 1 and 2 are views of the present invention in a state of being able to walk.
In the state shown in fig. 1 and 2, the brake pedal 74 is stepped, the brake driving member 7 rotates clockwise, the pivot driving portion 71 of the brake driving member 7 drives the driving portion 61 of the brake member 6, the brake member 6 rotates counterclockwise, the end of the brake plate 65 engages with the brake toothed disc 522 of the plastic toothed shaft 52, and the plastic toothed shaft 52 is stationary; the stop plate 64 is matched with the stop block 123, and the stop plate 64 is bent to store energy; at the same time, the wheel brake 62 engages with the teeth on the caster 4, preventing rotation of the caster;
when the brake is released, the upper pedal 75 is pedaled, the brake driving piece 7 rotates anticlockwise, the brake piece 6 rotates clockwise, the stop plate 64 is changed from a bending state to a natural state, and the brake piece 6 is reset; the end of the brake plate 65 is separated from the brake toothed disc 522 of the plastic toothed shaft 52, and the wheel brake 62 is separated from the upper teeth of the caster 4, so that unlocking is achieved.
What has been described above is only a preferred embodiment of the present invention. It should be noted that, for a person skilled in the art, several modifications and variations can be made without departing from the principle of the invention, which is also considered as the protection scope of the invention.
Claims (3)
1. A universal braking double wheel comprises a main support, an auxiliary support, a shaft body, two trundles, a rotating sleeve, a braking part and a braking driving part, wherein the main support comprises a longitudinal hollow shaft seat and a semicircular cavity with a lower opening, a fixed shaft hole and a braking extending hole are formed in the wall of the semicircular cavity, and the shaft seat is communicated with the semicircular cavity through a guide hole; the auxiliary bracket comprises two semicircular frame plates, a pivoting plate arranged on the semicircular frame plates and a lower shaft seat connecting the two semicircular frame plates, wherein the pivoting plate is provided with a fixed shaft hole and a pivoting hole positioned at the upper part of the fixed shaft hole; the braking part comprises a driving part, wheel braking parts positioned on two sides of the driving part, a pivoting part, a stop plate connected with the pivoting part and a braking plate with braking teeth; the brake driving piece comprises a pin joint driving part, a transmission part, an arc-shaped guide part and a brake pedal; the main bracket is fixedly connected with the auxiliary bracket, and the shaft seat is connected with the lower shaft seat; the brake plate penetrates through the guide hole to be matched with the rotating sleeve member for braking; the method is characterized in that: the driving part of the braking part, the wheel braking part, the pivoting part and the stop plate connected with the pivoting part are integrally formed by plastic materials, and the braking plate is made of a manganese steel plate;
the braking sleeve comprises a hole top cover, a plastic gear shaft and two bearings,
the hole top cover comprises a top cover body, a shaft sleeve and an arc-shaped pin plate positioned at the lower end of the shaft sleeve;
the plastic gear shaft comprises a shaft sleeve part, a braking fluted disc positioned on the shaft sleeve part, a counter bore positioned at the upper end of the shaft sleeve part and an arc-shaped pin groove positioned at the lower part of the counter bore,
the bearing is arranged in an upper bearing seat on the shaft seat, the other bearing is arranged on a lower bearing seat, the lower end of the plastic gear shaft is fixedly connected with an inner ring of the bearing on the lower bearing seat, a shaft sleeve of the hole top cover is fixedly connected with an inner ring of the bearing on the upper bearing seat, the shaft sleeve is inserted into a counter bore of the shaft sleeve part, and the circular arc pin plate is inserted into the circular arc pin groove.
2. The universal braking twin wheel of claim 1, wherein: and an upper pedal for releasing braking is arranged at the upper end of the arc-shaped guide part of the braking driving piece.
3. The universal braking twin wheel of claim 1, wherein: and one ends of the two semicircular frame plates of the auxiliary bracket, which are opposite to the lower shaft seat, are provided with reset stop plates.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921791951 | 2019-10-23 | ||
| CN201921791951X | 2019-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211617312U true CN211617312U (en) | 2020-10-02 |
Family
ID=69599128
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911075916.2A Pending CN110843419A (en) | 2019-10-23 | 2019-11-06 | Universal braking double wheel |
| CN201921908439.9U Active CN211617312U (en) | 2019-10-23 | 2019-11-06 | Universal braking double wheel |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911075916.2A Pending CN110843419A (en) | 2019-10-23 | 2019-11-06 | Universal braking double wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN110843419A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113352816B (en) * | 2021-07-21 | 2022-11-25 | 中山市盈禾脚轮有限公司 | Universal braking double-brake caster capable of conveniently relieving braking |
-
2019
- 2019-11-06 CN CN201911075916.2A patent/CN110843419A/en active Pending
- 2019-11-06 CN CN201921908439.9U patent/CN211617312U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110843419A (en) | 2020-02-28 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |