CN216009326U - Brake roller for lorry - Google Patents

Abstract

The utility model discloses a brake roller for lorry relates to heavy truck braking technical field, and its technical scheme main points are: the movable groove is arranged in the contact wheel main body, the contact plate is movably connected in the movable groove, and the bottom surface of the contact plate is fixedly connected with the top of the connection plate; through setting up contact plate and limiting plate, make the utility model discloses a when the great diameter that leads to of contact wheel main part diminishes, can be through impel the rotation of double-screw bolt in the screwed hole for enlarge the drill bit and remove towards limiting plate department, utilize the contact of enlarged drill bit to the limiting plate bottom surface to make the limiting plate at the intracavity rebound of activity, through the transmission of connecting plate, make the contact plate upwards remove corresponding length in the activity inslot from the surperficial outstanding diameter of contact wheel main part, thereby utilize the contact plate to increase the braking contact of contact wheel main part at the outstanding height in contact wheel main part surface.

Description

Brake roller for lorry

Technical Field

The utility model relates to a heavily block braking technical field, concretely relates to braking roller for lorry.

Background

Brake systems are a series of special devices on vehicles for applying a certain force from the outside to certain parts of the vehicle, so as to apply a certain degree of forced braking to it, and generally work on the principle of preventing the wheel from turning or its tendency to turn by means of the mutual friction between a non-rotating element connected to the body and a rotating element connected to the wheel. Typical brake systems are classified into drum brake systems and disc brake systems. In drum brake systems, the brake rollers play an important role in the brake system.

Among the prior art, current braking gyro wheel is in long-term use, and the gyro wheel surface is owing to receive many times braking loss to make the diameter of gyro wheel diminish, and then lead to the curve of braking action also to change thereupon, the not smooth phenomenon of return appears easily, and the navigating mate receives the influence when carrying out braking operation easily.

SUMMERY OF THE UTILITY MODEL

To the problem mentioned in the background art, the utility model aims at providing a brake roller for lorry to solve the problem mentioned in the background art.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a braking roller for lorry, includes contact wheel main part, activity groove, contact plate, connecting plate and limiting plate, the activity groove sets up the inside at the contact wheel main part, contact plate swing joint is in the inside in activity groove, the bottom surface of contact plate and the top fixed connection of connecting plate, the top of limiting plate and the bottom surface fixed connection of connecting plate.

By adopting the technical proposal and the arrangement of the contact plate and the limit plate, the surface loss of the contact wheel main body of the utility model is larger, which leads to the reduction of the diameter, the expanding drill bit can move towards the position of the limiting plate by the rotation of the propelling stud in the threaded hole, the limiting plate moves upwards in the movable inner cavity by the contact of the expanding drill bit on the bottom surface of the limiting plate, the contact plate is driven by the connecting plate to move upwards in the movable groove by a corresponding length to protrude from the surface of the contact wheel main body, so that the diameter of the braking contact of the contact wheel body is increased by the height at which the contact plate protrudes from the surface of the contact wheel body, and then make the curve of braking operation can not receive the change, avoided appearing the not smooth phenomenon of return, the navigating mate of being convenient for is not influenced in follow-up braking operation, has made things convenient for the navigating mate to carry out emergent use under the condition that can't in time replace the gyro wheel.

The preferred, the both ends fixedly connected with connecting axle of contact wheel main part, the inside of connecting axle is equipped with the screw hole, the inside swing joint of screw hole has the propulsion double-screw bolt, the one end fixedly connected with who impels the double-screw bolt enlarges the drill bit, the one end that impels the double-screw bolt to keep away from and enlarge the drill bit is provided with the wrench movement recess, the shape of wrench movement recess is the hexagon.

Through adopting above-mentioned technical scheme, through the setting of wrench movement recess for impel the double-screw bolt convenient operation that rotates that removes in the screw hole, utilize the screw hole and impel the connection between the double-screw bolt, make impel the double-screw bolt and can not take place to slide after removing, and then guaranteed the stability behind the contact plate salient.

Preferably, a movable inner cavity is formed in the contact wheel main body, the limiting plate is movably mounted in the movable inner cavity, and the threaded holes are formed in two sides of the movable inner cavity.

Through adopting above-mentioned technical scheme, this design makes the pointed end of expanding the drill bit contact between easy and the limiting plate, has made things convenient for user's use.

Preferably, the contact plate is provided with fixing plates on two sides, the bottom surface of each fixing plate is fixedly connected with the outer wall of the contact wheel main body, and the outer wall of each fixing plate is movably connected with the outer wall of the contact plate.

By adopting the technical scheme, the contact plate can keep stable ascending movement when being jacked by the connecting plate.

Preferably, the quantity of activity groove is provided with four, four activity groove equidistance circumference sets up the outer wall at the contact wheel main part, the outer wall of connecting plate and the inner wall sliding connection of contact wheel main part.

Through adopting above-mentioned technical scheme, this design makes the contact plate of contact wheel main part outer wall carry out the arch in step, and then makes the contact wheel main part can not take place the shake when rotating, has improved the utility model discloses a stability.

Preferably, two sides of the contact wheel main body are provided with limiting grooves, and the limiting grooves are formed in the surface of the connecting shaft.

By adopting the technical scheme, the design enables the contact wheel main body to be automatically limited by the concave design of the limiting groove when the contact wheel main body is installed and connected through the connecting shaft, and the slipping is avoided after the connection of the connecting shaft.

To sum up, the utility model discloses mainly have following beneficial effect:

when the diameter of the contact wheel main body is reduced due to the large surface loss of the contact wheel main body, the enlarged drill bit can move towards the position of the limit plate by pushing the rotation of the stud in the threaded hole, the limit plate can move upwards in the movable inner cavity by utilizing the contact of the enlarged drill bit with the bottom surface of the limit plate, the contact plate can move upwards in the movable groove by a corresponding length to protrude from the surface of the contact wheel main body by the transmission of the connecting plate, so that the diameter of the braking contact of the contact wheel main body is increased by utilizing the protruding height of the contact plate on the surface of the contact wheel main body, the curve of the braking operation can not be changed, the phenomenon of unsmooth return is avoided, the subsequent braking operation of a driver can not be influenced, and the emergency use of the driver under the condition that the roller can not be replaced in time is facilitated, through the arrangement of the twisting groove, the rotation operation of the pushing stud in the movement of the threaded hole is convenient, the threaded hole is connected with the pushing stud, the pushing stud cannot slide after moving, and the stability of the contact plate after the contact plate protrudes is guaranteed.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic perspective side view of the present invention;

fig. 3 is a schematic side view of the internal structure of the present invention;

fig. 4 is a schematic front view of the internal structure of the present invention.

Reference numerals: 1. a contact wheel body; 2. a connecting shaft; 3. a limiting groove; 4. a movable plate; 5. an anti-skid plate; 6. a movable groove; 7. a threaded hole; 8. advancing the stud; 9. twisting the groove; 10. a contact plate; 11. a connecting plate; 12. a limiting plate; 13. enlarging the drill bit; 14. a movable inner cavity; 15. and (7) fixing the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, 2, 3 and 4, a brake roller for a heavy-duty truck comprises a contact wheel main body 1, connecting shafts 2 are arranged on two sides of the contact wheel main body 1, one end of each connecting shaft 2 is fixedly connected with the center of one side of the contact wheel main body 1, a movable groove 6 is arranged inside the contact wheel main body 1, a contact plate 10 is arranged inside the movable groove 6, a connecting plate 11 is slidably connected inside the contact wheel main body 1, the top of the connecting plate 11 is fixedly connected with the bottom surface of the contact plate 10, a limiting plate 12 is arranged below the connecting plate 11, and the bottom surface of the connecting plate 11 is fixedly connected with the top of the limiting plate 12, so that when the diameter of the contact wheel main body 1 is reduced due to large surface loss, an enlarged drill bit 13 can move towards the limiting plate 12 by rotating a propelling stud 8 in a threaded hole 7, and the limiting plate 12 moves upwards in a movable inner cavity 14 due to the contact of the enlarged drill bit 13 with the bottom surface of the limiting plate 12, the contact plate 10 moves upwards in the movable groove 6 by a corresponding length to protrude from the surface of the contact wheel main body 1 through the transmission of the connecting plate 11, so that the protruding height of the contact plate 10 on the surface of the contact wheel main body 1 is utilized to increase the diameter of braking contact of the contact wheel main body 1, further the curve of braking operation is not changed, the phenomenon of unsmooth return is avoided, a driver is not affected in subsequent braking operation and can use the contact wheel conveniently in an emergency under the condition that the driver cannot replace a roller wheel in time, a movable inner cavity 14 is arranged below the movable groove 6, threaded holes 7 are formed in two sides of the movable inner cavity 14, a propelling stud 8 is arranged in the threaded hole 7, the outer wall of the propelling stud 8 is movably connected with the inner wall of the threaded hole 7, a twisting groove 9 is formed in the surface of one end of the propelling stud 8, and the rotating operation of the propelling stud 8 in the threaded hole 7 is convenient, by utilizing the connection between the threaded hole 7 and the pushing stud 8, the pushing stud 8 cannot slide after moving, so that the stability of the contact plate 10 after protruding is ensured, one end of the pushing stud 8, which is far away from the twisting groove 9, is fixedly connected with an expanding drill bit 13, and the inner part of the movable groove 6 is fixedly connected with a fixing plate 15.

Referring to fig. 1, the surface of connecting axle 2 is provided with spacing recess 3, make contact wheel main part 1 when carrying out erection joint through connecting axle 2, the recessed design that utilizes spacing recess 3 makes the part of contact carry out automatic spacing, avoid connecting axle 2 to connect the back slippage, spacing recess 3's top is equipped with fly leaf 4, fly leaf 4's bottom and connecting axle 2's inner wall swing joint, fly leaf 4's top is equipped with antiskid ribbed tile 5, antiskid ribbed tile 5's bottom surface and fly leaf 4's top fixed connection, through fly leaf 4 and antiskid ribbed tile 5's setting, make the utility model discloses after carrying out spacing connection through spacing recess 3, can push down fly leaf 4, thereby grow in the top that makes antiskid ribbed tile 5 and the friction of contact surface, thereby keep good stability when making connecting axle 2 connect.

The working principle is as follows: referring to fig. 1, 2, 3 and 4, after long-term use, when the diameter of the contact wheel main body 1 is reduced due to large surface loss, the enlarged drill 13 can move towards the position of the limiting plate 12 by pushing the stud 8 to rotate in the threaded hole 7, the limiting plate 12 moves upwards in the movable inner cavity 14 by the contact of the enlarged drill 13 with the bottom surface of the limiting plate 12, the contact plate 10 moves upwards in the movable groove 6 by a corresponding length to protrude from the surface of the contact wheel main body 1 by the transmission of the connecting plate 11, so that the diameter of the braking contact of the contact wheel main body 1 is increased by the protruding height of the contact plate 10 on the surface of the contact wheel main body 1, the curve of the braking operation is not changed, the phenomenon of unsmooth return is avoided, the subsequent braking operation of a driver is not affected, and the emergency use of the driver under the condition that the roller cannot be replaced in time is facilitated, through the setting of wrench movement recess 9 for impel the rotation convenient operation that double-screw bolt 8 removed in screw hole 7, utilize screw hole 7 and impel the connection between the double-screw bolt 8, make impel double-screw bolt 8 can not take place to slide after removing, and then guaranteed the stability behind the contact plate 10 salient, the utility model discloses after carrying out spacing connection through spacing recess 3, can push down fly leaf 4, thereby grow in the top of making antiskid ribbed tile 5 and the friction of contact surface, thereby keep good stability when making connecting axle 2 connect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a brake roller for lorry, includes contact wheel main part (1), activity groove (6), contact plate (10), connecting plate (11) and limiting plate (12), its characterized in that: activity groove (6) set up in the inside of contact wheel main part (1), contact plate (10) swing joint is in the inside of activity groove (6), the bottom surface of contact plate (10) and the top fixed connection of connecting plate (11), the top of limiting plate (12) and the bottom surface fixed connection of connecting plate (11).

2. The brake roller for the heavy-duty vehicle according to claim 1, characterized in that: the utility model discloses a contact wheel, including contact wheel main part (1), both ends fixedly connected with connecting axle (2), the inside of connecting axle (2) is equipped with screw hole (7), the inside swing joint of screw hole (7) has propulsion double-screw bolt (8), the one end fixedly connected with who impels double-screw bolt (8) enlarges drill bit (13), the one end of impelling double-screw bolt (8) to keep away from and enlarge drill bit (13) is provided with wrench movement recess (9), the shape of wrench movement recess (9) is the hexagon.

3. The brake roller for the heavy-duty vehicle according to claim 2, characterized in that: the inside of contact wheel main part (1) is equipped with movable inner chamber (14), limiting plate (12) movable mounting is in the inside of activity inner chamber (14), screw hole (7) set up the both sides at activity inner chamber (14).

4. The brake roller for the heavy-duty vehicle according to claim 1, characterized in that: the contact plate is characterized in that fixing plates (15) are arranged on two sides of the contact plate (10), the bottom surface of each fixing plate (15) is fixedly connected with the outer wall of the contact wheel main body (1), and the outer wall of each fixing plate (15) is movably connected with the outer wall of the contact plate (10).

5. The brake roller for the heavy-duty vehicle according to claim 1, characterized in that: the quantity of activity groove (6) is provided with four, four activity groove (6) equidistance circumference sets up the outer wall at contact wheel main part (1), the outer wall of connecting plate (11) and the inner wall sliding connection of contact wheel main part (1).

6. The brake roller for the heavy-duty vehicle according to claim 1, characterized in that: the contact wheel is characterized in that limiting grooves (3) are formed in two sides of the contact wheel main body (1), and the limiting grooves (3) are formed in the surface of the connecting shaft (2).

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