CN210793140U - Connecting rod type ground foot brake device - Google Patents
Connecting rod type ground foot brake device Download PDFInfo
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- CN210793140U CN210793140U CN201921846404.7U CN201921846404U CN210793140U CN 210793140 U CN210793140 U CN 210793140U CN 201921846404 U CN201921846404 U CN 201921846404U CN 210793140 U CN210793140 U CN 210793140U
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Abstract
The utility model discloses a connecting rod formula lower margin brake equipment, include the chassis and be located the service brake of chassis top, the bottom of service brake is equipped with and runs through the service brake pole on chassis, the service brake pole is the arc structure, just the opposite side of service brake pole is equipped with the rocking arm, the rocking arm is kept away from one side of service brake pole is equipped with the movable rod, just the service brake pole through the fixed axle with the rocking arm is connected, the opposite side of fixed axle is equipped with rather than the assorted runner, the axle center department of runner be equipped with the support that the chassis is connected, the movable rod is kept away from one side of rocking arm is equipped with the distance rod, the opposite side of distance rod is equipped with the pull block. The beneficial effects are that: the friction rod I and the friction rod II are matched to brake the two semicircular brake extrusion pieces, the brake performance is strong, the effect of rapid braking is achieved, the abrasion to equipment is small during braking, the service life of the equipment is prolonged, and the brake pieces are convenient to replace.
Description
Technical Field
The utility model relates to a vehicle braking technical field particularly, relates to a connecting rod formula lower margin brake equipment.
Background
The existing small sweeper mostly works when people walk on the road and passes through the road, the road surface condition is complex, a good brake system is needed when equipment is parked, the traditional sweeper is driven by full hydraulic pressure, a brake hub brakes, a brake is needed to be stepped by feet when braking, and the brake is released when the feet leave a brake pedal.
Because the dynamics of foot and convenience have, so use service brake very much have an advantage, but present service brake mechanism is too complicated, and it is difficult to make, and is with high costs for it is inconvenient to install some on the motor sweeper, has increased the price of motor sweeper, makes the interchangeability also poor because of the reason that the structure is complicated.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the problem in the correlation technique, the utility model provides a connecting rod formula lower margin brake equipment to overcome the above-mentioned technical problem that current correlation technique exists.
Therefore, the utility model discloses a specific technical scheme as follows:
a connecting rod type ground foot brake device comprises a chassis and a foot brake positioned above the chassis, wherein a foot brake rod penetrating through the chassis is arranged at the bottom end of the foot brake, the foot brake rod is of an arc-shaped structure, a rocker arm is arranged on the other side of the foot brake rod, a movable rod is arranged on one side, away from the foot brake rod, of the rocker arm, the foot brake rod is connected with the rocker arm through a fixed shaft, a rotating wheel matched with the rotating wheel is arranged on the other side of the fixed shaft, a support connected with the chassis is arranged at the axis of the rotating wheel, a thrust rod is arranged on one side, away from the rocker arm, of the movable rod, a pull block is arranged on the other side of the thrust rod, a U-shaped frame arranged in parallel with the pull block is arranged on one side, away from the thrust rod, of the U-shaped frame, a limiting shaft is symmetrically arranged on one side, and a first friction rod and a second friction rod are, the first friction rod and the second friction rod are provided with limiting grooves which are sleeved on the limiting shafts, one side, close to each other, of each first friction rod and the second friction rod is provided with a brake extrusion piece in an opening, the brake extrusion pieces are of arc-shaped structures, brake outer abrasive discs matched with the brake extrusion pieces are arranged between the first friction rod and the second friction rod, the brake outer abrasive discs are connected with a wheel rotating shaft, and one side of each pulling block is provided with a reset spring connected with the support.
Preferably, the wheel rotating shaft is sleeved with a wheel matched with the wheel rotating shaft, and a wheel reinforcing rib plate is arranged between the wheel rotating shaft and the wheel.
Preferably, the top of the chassis is located the below of service brake is equipped with return spring, the return spring cover is located on the service brake pole, just return spring cover top with the bottom of service brake is connected.
Preferably, the brake pressing sheet and the brake outer grinding sheet are made of wear-resistant hard materials respectively.
Preferably, the rocker arm is connected with the movable rod through a rolling shaft, the pull block is of a triangle-like structure, and the top end of the chassis is located below the foot brake and is provided with a foot brake pad.
Preferably, the length of the limiting groove is greater than the distance between the first friction rod and the second friction rod and the outer brake plate.
The utility model has the advantages that: the friction rod I and the friction rod II are matched to brake the two semicircular brake extrusion pieces, the brake performance is strong, the effect of rapid braking is achieved, the abrasion to equipment is small during braking, the service life of the equipment is prolonged, and the brake pieces are convenient to replace.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a connecting rod type ground brake device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a pulling block in a connecting rod type ground brake device according to an embodiment of the present invention.
In the figure:
1. a chassis; 2. a foot brake; 3. a foot brake lever; 4. a rocker arm; 5. a movable rod; 6. a fixed shaft; 7. a rotating wheel; 8. a support; 9. a thrust rod; 10. pulling the block; 11. a U-shaped frame; 12. a limiting shaft; 13. a first friction rod; 14. a second friction rod; 15. a limiting groove; 16. a brake squeeze sheet; 17. grinding the brake outer plate; 18. a wheel shaft; 19. a wheel; 20. a wheel reinforcing rib plate; 21. a return spring.
Detailed Description
For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.
According to the utility model discloses an embodiment provides a connecting rod formula lower margin brake equipment.
Referring now to the drawings and the detailed description, as shown in fig. 1-2, a connecting rod type anchor brake device according to an embodiment of the present invention includes a chassis 1 and a foot brake 2 located above the chassis 1, wherein a foot brake rod 3 penetrating through the chassis 1 is disposed at a bottom end of the foot brake 2, the foot brake rod 3 is of an arc structure, a rocker arm 4 is disposed at the other side of the foot brake rod 3, a movable rod 5 is disposed at one side of the rocker arm 4 away from the foot brake rod 3, the foot brake rod 3 is connected to the rocker arm 4 through a fixed shaft 6, a rotating wheel 7 matched with the fixed shaft 6 is disposed at the other side of the fixed shaft 6, a support 8 connected to the chassis 1 is disposed at an axis of the rotating wheel 7, a thrust rod 9 is disposed at one side of the movable rod 5 away from the rocker arm 4, a pull block 10 is disposed at the other side of the thrust rod 9, and one side of the pulling block 10 is provided with a U-shaped frame 11 arranged in parallel with the pulling block, one side of the U-shaped frame 11 far away from the thrust rod 9 is symmetrically provided with a limiting shaft 12, one side of the pulling block 10 is positioned between the limiting shafts 12 and is symmetrically provided with a first friction rod 13 and a second friction rod 14, the first friction rod 13 and the second friction rod 14 are respectively provided with a limiting groove 15 sleeved on the limiting shaft 12, one side of the first friction rod 13 and one side of the second friction rod 14 close to each other are respectively provided with a brake squeezing sheet 16, the brake squeezing sheet 16 is of an arc-shaped structure, a brake outer abrasive sheet 17 matched with the brake squeezing sheet 16 is arranged between the first friction rod 13 and the second friction rod 14, the brake outer abrasive sheet 17 is connected with a wheel rotating shaft 18, and one side of the pulling block 10 is provided with a return spring 21 connected with the support 8.
In addition, in one embodiment, as shown in fig. 1-2, a wheel 19 is sleeved on the wheel rotating shaft 18 and matched with the wheel rotating shaft, and a wheel reinforcing rib plate 20 is arranged between the wheel rotating shaft 18 and the wheel 19. It can be seen from the above design that the design of the wheel reinforcing ribs 20 improves the supporting capability between the wheel rotation shaft 18 and the wheel 19.
In addition, in one embodiment, as shown in fig. 1-2, a return spring is disposed below the foot brake 2 and on the top end of the chassis 1, the return spring is sleeved on the foot brake rod 3, and the top end of the return spring is connected to the bottom end of the foot brake 2. It can be seen from the above design that the design of the return spring allows the service brake 2 to return through the return spring after the foot is released, so that the brake pressing plate 16 is separated from the brake outer grinding plate 17.
In addition, in one embodiment, as shown in fig. 1-2, the brake pressing plate 16 and the brake outer wear plate 17 are made of hard wear-resistant material. Designs made of wear resistant hard materials are relatively conventional and will not be described in detail.
In addition, in one embodiment, as shown in fig. 1-2, the rocker arm 4 is connected to the movable rod 5 through a roller, the pull block 10 is a triangle-like structure, and a foot brake pad is disposed at the top end of the chassis 1 and below the foot brake 2. It is obvious from the above design that the design of the foot brake pad improves the comfort of the user's steps, and the design of the roller is more conventional and therefore will not be described in detail.
In addition, in one embodiment, as shown in fig. 1-2, the length of the limiting groove 15 is greater than the distance between the first friction rod 13 and the second friction rod 14 and the outer wear plate 17. It can be seen from the above design that the length of the limiting groove 15 is greater than the distance between the first friction rod 13 and the second friction rod 14 and the outer brake pad 17, so that the friction depth between the brake pressing plate 16 and the outer brake pad 17 can be increased, and the cost can be reduced.
For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.
In practical application, the upper end of the foot brake 2 is stepped by a foot, the foot brake 2 moves downwards, the braking force is amplified by utilizing the lever principle, the rocker arm 4 is pulled to rotate leftwards by the foot brake 2, then the thrust rod 9 is pulled, the thrust rod 9 drives the pull block 10 to move leftwards, the first friction rod 13 and the second friction rod 14 synchronously move, the limiting groove 15 gathers towards the middle when the limiting shaft 12 limits the left movement, the brake squeezing sheet 16 and the brake outer grinding sheet 17 are rubbed, the brake outer grinding sheet 17 is fixed with the wheel rotating shaft 18, the wheel rotating shaft 18 is fixed with the wheel 19, the wheel 19 is braked, and the brake foot 2 returns through the foot brake return spring after the foot is released.
To sum up, with the help of the above technical scheme of the utility model, through friction lever 13 and two 14 cooperation designs of friction lever, accomplish the effect of brake to two semicircle brake squeeze pads 16, the performance of brake is strong to play the effect of quick brake, it is little to the wearing and tearing of equipment during the brake, make equipment life elongated, and be convenient for change the brake block.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The connecting rod type ground foot brake device is characterized by comprising a chassis (1) and a foot brake (2) positioned above the chassis (1), wherein a foot brake rod (3) penetrating through the chassis (1) is arranged at the bottom end of the foot brake (2), the foot brake rod (3) is of an arc-shaped structure, a rocker arm (4) is arranged at the other side of the foot brake rod (3), a movable rod (5) is arranged at one side, far away from the foot brake rod (3), of the rocker arm (4), the foot brake rod (3) is connected with the rocker arm (4) through a fixed shaft (6), a rotating wheel (7) matched with the fixed shaft (6) is arranged at the other side of the fixed shaft (6), a support (8) connected with the chassis (1) is arranged at the axle center of the rotating wheel (7), a thrust rod (9) is arranged at one side, far away from the rocker arm (4), a pull block (10) is arranged at the other side of the thrust rod (9), and one side of the pulling block (10) is provided with a U-shaped frame (11) which is arranged in parallel with the pulling block, one side of the U-shaped frame (11) far away from the thrust rod (9) is symmetrically provided with a limiting shaft (12), one side of the pulling block (10) is positioned between the limiting shafts (12) and is symmetrically provided with a first friction rod (13) and a second friction rod (14), the first friction rod (13) and the second friction rod (14) are respectively provided with a limiting groove (15) which is sleeved on the limiting shaft (12), one side of the first friction rod (13) and the second friction rod (14) which are close to each other is provided with a brake friction plate extrusion piece (16) through an opening, the brake extrusion piece (16) is of an arc-shaped structure, a brake outer abrasive plate (17) matched with the brake extrusion piece (16) is arranged between the first friction rod (13) and the second friction rod (14), and the brake outer abrasive plate (17) is connected with a wheel rotating shaft (18), and one side of the pulling block (10) is provided with a return spring (21) connected with the bracket (8).
2. The connecting rod type foundation brake device according to claim 1, wherein a wheel (19) matched with the wheel rotating shaft (18) is sleeved on the wheel rotating shaft (18), and a wheel reinforcing rib plate (20) is arranged between the wheel rotating shaft (18) and the wheel (19).
3. The connecting rod type ground brake device according to claim 1, wherein a return spring is arranged at the top end of the chassis (1) and below the foot brake (2), the return spring is sleeved on the foot brake rod (3), and the top end of the return spring is connected with the bottom end of the foot brake (2).
4. The connecting rod type ground brake device according to claim 1, characterized in that the brake pressing plate (16) and the brake outer grinding plate (17) are made of wear-resistant hard material respectively.
5. The connecting rod type ground foot brake device as claimed in claim 1, wherein the rocker arm (4) is connected with the movable rod (5) through a roller, the pull block (10) is of a triangle-like structure, and a foot brake pad is arranged on the top end of the chassis (1) and below the foot brake (2).
6. The connecting rod type foundation brake device according to claim 1, wherein the length of the limiting groove (15) is greater than the distance between the first friction rod (13) and the second friction rod (14) and the outer brake pad (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921846404.7U CN210793140U (en) | 2019-10-30 | 2019-10-30 | Connecting rod type ground foot brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921846404.7U CN210793140U (en) | 2019-10-30 | 2019-10-30 | Connecting rod type ground foot brake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210793140U true CN210793140U (en) | 2020-06-19 |
Family
ID=71242962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921846404.7U Active CN210793140U (en) | 2019-10-30 | 2019-10-30 | Connecting rod type ground foot brake device |
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| Country | Link |
|---|---|
| CN (1) | CN210793140U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112208633A (en) * | 2020-09-03 | 2021-01-12 | 盐城市步高汽配制造有限公司 | Pure electric automobile chassis device with steady steering function |
| CN112253657A (en) * | 2020-09-03 | 2021-01-22 | 盐城市步高汽配制造有限公司 | Brake system with quick brake function |
-
2019
- 2019-10-30 CN CN201921846404.7U patent/CN210793140U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112208633A (en) * | 2020-09-03 | 2021-01-12 | 盐城市步高汽配制造有限公司 | Pure electric automobile chassis device with steady steering function |
| CN112253657A (en) * | 2020-09-03 | 2021-01-22 | 盐城市步高汽配制造有限公司 | Brake system with quick brake function |
| CN112208633B (en) * | 2020-09-03 | 2024-04-26 | 盐城市步高汽配制造有限公司 | Pure electric vehicle chassis device with stable steering function |
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