CN220248733U - Transmission shaft drum brake device for traditional tricycle and tricycle - Google Patents
Transmission shaft drum brake device for traditional tricycle and tricycle Download PDFInfo
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- CN220248733U CN220248733U CN202321970569.1U CN202321970569U CN220248733U CN 220248733 U CN220248733 U CN 220248733U CN 202321970569 U CN202321970569 U CN 202321970569U CN 220248733 U CN220248733 U CN 220248733U
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- sleeve
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000003068 static effect Effects 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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Abstract
The utility model discloses a transmission shaft drum brake device for a traditional tricycle, which comprises a brake drum and a driven drum sleeve, wherein a drum brake mechanism is arranged in the brake drum, a bearing seat, a bearing sleeve and a mounting plate fixed with the bearing sleeve are arranged in the brake drum, a connecting shaft sleeve penetrates through the center of the driven drum sleeve and is fixedly connected with the driven drum sleeve, the connecting shaft sleeve can penetrate through the bearing seat and can rotate in the bearing seat, and an axle of a rear wheel of the tricycle penetrates through the connecting shaft sleeve and is fixedly connected with the connecting shaft sleeve. Through the structural relationship among the connecting shaft sleeve, the bearing seat and the axle, the stress during braking is uniformly distributed on the whole connecting shaft sleeve and the axle, the synchronism and the integrity during braking are maintained, the brake mechanism is more sensitive, better and beneficial in braking sense, more stable and reliable in braking, the balance during braking can be achieved, the service life of the brake mechanism is prolonged, the harmonious matching relationship is formed between the drum brake and the tricycle, and the braking process can be stably and moderately completed.
Description
Technical Field
The utility model relates to the technical field of brake structures, in particular to a transmission shaft drum brake device for a conventional tricycle and the tricycle, which mainly aims at the drum brake structures of the pedal tricycle and the conventional tricycle.
Background
The conventional brake structure of the conventional brake pad is still adopted by the conventional tricycle at present, so that a plurality of hidden dangers exist in the structure of the single brake pad, on one hand, the contact rate can change along with time, weather environment and the like, on the other hand, the conventional tricycle is required to be frequently maintained, and the brake efficiency is low and the brake is hard. The drum brake structure on the motorcycle is efficient and reliable, has sensitive brake performance, is not easy to damage and has long service life, but the drum brake structure is not very good at present, so that the drum brake structure can be applied to tricycles. The utility model patent CN202481237U discloses a tricycle with a drum brake structure, but the technical scheme of the utility model only describes the basic structure and transmission and brake principle of the drum brake, and the utility model discloses the tricycle applied to the tricycle, but does not mention the mounting structure, and how to skillfully and accurately mount the drum brake, so that the tricycle can be perfectly suitable for the tricycle structure, and the technical scheme of the tricycle is not provided nor solved.
Disclosure of Invention
In order to solve the defects in the prior art, the inventor provides a structural device which can be adapted to the traditional tricycle and stably and reliably use a drum brake through research and development improvement, and the structural device is specifically realized in the following way:
a drive shaft drum brake assembly for a conventional tricycle, comprising: the drum brake comprises a brake drum and a driven drum which are sleeved, wherein a drum brake mechanism is arranged in the brake drum and can tightly hold the driven drum by a brake pad to enable the driven drum to be static during braking; the bearing seat comprises a bearing sleeve and a mounting plate fixed with the bearing sleeve, the mounting plate is fixedly arranged on a main beam at the bottom of the tricycle, and the bearing sleeve is fixedly arranged with the brake drum; the connecting shaft sleeve penetrates through the center of the driven drum sleeve and is fixedly connected with the driven drum sleeve, the connecting shaft sleeve can penetrate through the bearing seat and can rotate in the bearing seat, and the transmission shaft of the rear wheel of the tricycle penetrates through the connecting shaft sleeve and is fixedly connected with the connecting shaft sleeve.
Further, the drum brake is arranged in the middle of a transmission shaft of the rear wheel of the tricycle.
Further, two ends of the connecting shaft sleeve are welded with a transmission shaft of the rear wheel of the tricycle.
Further, two ends of the connecting shaft sleeve are connected with a transmission shaft of the rear wheel of the tricycle through nuts.
Further, the operating rod in the brake drum is exposed out of the drum brake, and the operating rod can be pulled to drive the brake block in the drum brake to be unfolded to be in contact with the inner wall of the driven drum.
A tricycle is provided with the transmission shaft drum brake device, a main beam is arranged in the middle of a chassis of the tricycle along the length direction, and a drum brake and a bearing seat are arranged on the main beam.
Further, a motor is arranged on the tricycle, the motor is in transmission connection with a transmission shaft through a chain and a fluted disc, and a storage battery connected to the motor is arranged on the chassis.
The working principle and beneficial effects of the utility model are introduced: the brake drum is fixedly connected with the bearing seat, the bearing seat is fixedly arranged on the chassis of the tricycle through the mounting plate, the mounting plate provides stress bearing during fixing and braking, and acting force during braking can be uniformly dispersed on the main beam; the bearing arranged in the bearing seat is used for enabling the connecting shaft sleeve fixedly installed with the driven drum to penetrate and rotate in the connecting shaft sleeve, the connecting shaft sleeve is used for being connected with the axle of the tricycle, continuity of the axle is not damaged, the driven drum and the axle can be well connected, but when in braking, the driven drum is tightly contacted and locked by the brake pad, so that the connecting shaft sleeve is driven to be locked, the whole axle is driven to be locked, the purpose of braking is achieved, and through the structural relation among the connecting shaft sleeve, the bearing seat and the axle, stress during braking is evenly distributed on the connecting shaft sleeve and the whole axle, synchronism and integrity during braking are maintained, the brake mechanism is sensitive, better and more beneficial in braking sense, the brake mechanism is stable and reliable, and is matched with the setting of the main beam, the installation position of the brake mechanism and the installation position of the brake drum, and balanced during braking can not happen, so that the service life of the brake mechanism is prolonged, the brake and the tricycle form a harmonious matching relation, and a brake process can be stably and automatically completed.
Drawings
FIG. 1 is a structural view of a transmission shaft drum brake device of the present utility model;
FIG. 2 is a perspective view of the assembled drum brake assembly of the drive shaft of the present utility model;
FIG. 3 is a schematic view of the transmission shaft drum brake device of the present utility model mounted on a tricycle chassis;
FIG. 4 is a perspective view of a tricycle incorporating the drum brake assembly of the present utility model;
FIG. 5 is a state diagram of the present utility model;
wherein: 1 brake drum, 2 driven drum, 3 bearing housing, 4 mounting panel, 5 girder, 6 action bars, 7 connecting axle sleeve, 8 motor, 9 transmission shaft, 10 chains, 11 fluted disc.
Description of the embodiments
The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.
Example 1: a drive shaft drum brake assembly for a conventional tricycle, comprising: the drum brake comprises a brake drum 1 and a driven drum 2 which are sleeved, wherein a drum brake mechanism is arranged in the brake drum 1, and the drum brake mechanism can tightly hold the driven drum 2 by a brake pad to enable the driven drum 2 to be static during braking; the bearing seat comprises a bearing sleeve 3 and a mounting plate 4 fixed with the bearing sleeve 3, wherein the mounting plate 4 is fixedly arranged on a main beam 5 at the bottom of the tricycle, and the bearing sleeve 3 is fixedly arranged with the brake drum 1; the connecting shaft sleeve 7 penetrates through the circle center of the driven drum 2 sleeve and is fixedly connected with the driven drum, the connecting shaft sleeve 7 can penetrate through the bearing seat and can rotate in the bearing seat, and the transmission shaft 9 of the rear wheel of the tricycle penetrates through the connecting shaft sleeve 7 and is fixedly connected with the connecting shaft sleeve 7. The brake drum 1 and the driven drum 2 are matched and formed and installed, the driven drum 2 is embedded into the brake drum 1 to be integrated, the brake drum 1 and the bearing seat mounting plate 4 are fixedly installed on a chassis of a vehicle to keep static, when the vehicle runs, the transmission shaft 9 serving as an axle drives the driven drum 2 to synchronously rotate in the brake drum 1, the brake drum 1 and the driven drum are associated, after braking operation, a brake block in a drum braking mechanism in the brake drum 1 is outwards expanded to be contacted with and pressed against the inner wall of the driven drum 2, friction force generates braking force to stop the rotation of the driven drum 2, and therefore the transmission shaft 9 and wheels stop rotating, and the purpose and effect of braking are achieved; the drum brake is arranged in the middle of a transmission shaft 9 of the rear wheel of the tricycle. The two ends of the connecting shaft sleeve 7 are welded with the transmission shaft 9 of the rear wheel of the tricycle, or the two ends of the connecting shaft sleeve 7 are connected with the transmission shaft 9 of the rear wheel of the tricycle through a plurality of rivets, and the connecting shaft sleeve is connected in a structural mode that screws or special-shaped clamping grooves are used for realizing transmission connection, so that the connecting shaft sleeve is easy to operate when the drum brake is required to be disassembled for maintenance and replacement.
The operating rod 6 in the brake drum 1 is exposed out of the drum brake, and the operating rod 6 can be pulled to drive the brake pad in the drum brake to be unfolded to be contacted with the inner wall of the driven drum 2. The outer end of the operating rod 6 is connected through a brake transmission rod, when a brake handle is pinched, the transmission rod pulls the operating rod 6 to generate displacement, the operating rod 6 drives a cam in the drum brake mechanism to rotate so as to prop up brake drums on two sides, and the two prop up brake pads are contacted with the inner wall of the driven drum 2 so as to lock the driven drum 2 to achieve transmission control of braking.
Example 2: in the structure of example 1, the transmission shaft drum brake device as in example 1 is installed, a main beam 5 is installed in the middle of the chassis of the tricycle along the length direction, and the drum brake and the bearing seat are installed on the main beam 5. The tricycle is provided with a motor 8, the motor 8 is in transmission connection with a transmission shaft 9 through a chain 10 and a fluted disc 11, and a storage battery connected to the motor 8 is arranged on a chassis.
The tricycle provided with the drum brake device has the advantages that the bearing arranged in the bearing seat is used for enabling the connecting shaft sleeve 7 fixedly arranged on the driven drum 2 to penetrate and rotate in the connecting shaft sleeve 7, the connecting shaft sleeve 7 is used for being connected with the axle of the tricycle without damaging the continuity of the axle, the driven drum 2 can be well connected with the axle, but when in braking, the driven drum 2 is tightly locked by the brake pad, so that the connecting shaft sleeve 7 is driven to be locked, the purpose of braking is achieved, and the stress during braking is uniformly distributed on the connecting shaft sleeve 7 and the whole axle through the structural relationship among the connecting shaft sleeve 7, the bearing seat and the axle, so that the synchronism and the integrity during braking are maintained, the brake mechanism is more sensitive, better and more beneficial, the brake mechanism is arranged in a more stable and reliable mode, the balance during braking can be achieved in cooperation with the installation position of the main beam 5 and the installation position of the drum brake, the condition of deflection or imbalance of the vehicle body can not occur, the service life of the brake mechanism is prolonged, and the drum and the tricycle and the brake process and the brake device can be smoothly and completely braked.
It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.
Claims (8)
1. A drive shaft drum brake device for a conventional tricycle, comprising:
the drum brake comprises a brake drum (1) and a driven drum (2) which are sleeved, wherein a drum brake mechanism is arranged in the brake drum (1), and the drum brake mechanism can tightly hold the driven drum (2) through a brake pad to enable the driven drum (2) to be static during braking;
the bearing seat comprises a bearing sleeve (3) and a mounting plate (4) fixed with the bearing sleeve (3), wherein the mounting plate (4) is fixedly arranged on a main beam (5) at the bottom of the tricycle, and the bearing sleeve (3) is fixedly arranged with the brake drum (1);
the connecting shaft sleeve (7) penetrates through the circle center of the sleeve of the driven drum (2) and is fixedly connected with the same, the connecting shaft sleeve (7) can penetrate through the bearing seat and can rotate in the bearing seat, and the transmission shaft (9) of the rear wheel of the tricycle penetrates through the connecting shaft sleeve (7) and is fixedly connected with the same.
2. A transmission shaft drum brake device according to claim 1, characterized in that the drum brake is mounted in the middle of the transmission shaft (9) of the rear wheel of the tricycle.
3. The transmission shaft drum brake device according to claim 1, characterized in that both ends of the connecting shaft sleeve (7) are welded with a transmission shaft (9) of a rear wheel of a tricycle.
4. The transmission shaft drum brake device according to claim 1, characterized in that the two ends of the connecting shaft sleeve (7) are connected with the transmission shaft (9) of the rear wheel of the tricycle through nuts.
5. A transmission shaft drum brake device according to claim 1, characterized in that the operating lever (6) in the brake drum (1) is exposed outside the drum brake, and the operating lever (6) can be pulled to drive the brake pad in the drum brake to be unfolded to be in contact with the inner wall of the driven drum (2).
6. A tricycle characterized in that a transmission shaft drum brake device according to any one of claims 1-5 is mounted.
7. The tricycle according to claim 6, characterised in that the chassis middle part of the tricycle is provided with a main beam (5) along the length direction, and the drum brake and bearing seat are mounted on the main beam (5).
8. The tricycle according to claim 6, characterised in that the tricycle is provided with a motor (8), the motor (8) is in driving connection with a transmission shaft (9) through a chain (10) and a fluted disc (11), and the chassis is provided with a storage battery connected to the motor (8).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221956626 | 2022-07-27 | ||
| CN2022219566266 | 2022-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220248733U true CN220248733U (en) | 2023-12-26 |
Family
ID=89264451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321970569.1U Active CN220248733U (en) | 2022-07-27 | 2023-07-26 | Transmission shaft drum brake device for traditional tricycle and tricycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220248733U (en) |
-
2023
- 2023-07-26 CN CN202321970569.1U patent/CN220248733U/en active Active
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