CN207000047U - Parking wheel - Google Patents

Abstract

The utility model discloses a kind of parking wheel, mounting bracket has support arm, and support arm has parallel two parts, respectively positioned at the both sides of roller, is connected with roller by rotating shaft；Stroke limit hole is also formed on support arm；Keep plate is slidably matched with mounting bracket, with by driver, and formed with stroke limit claw on first, formed with braking parts on second, stroke limit claw is stretched into stroke limit hole, and to limit the sliding distance of keep plate, pedal has drive surface, drive surface is matched with described by driver, and the relatively described keep plate of driving keep plate slides.The utility model effectively solves the problems, such as that traditional roller easily occurs " car slipping ", slided, or can not stablize the problem of parked on the ground being slightly tilted, and improves production security.State between keep plate and wheel is changed by pedal, contradicted or separation, can effectively ensure that displacement is smooth, and stablizes parked, will not be shaken, parked precision is high.

Description

Parking wheel

Technical Field

The utility model relates to a wheel especially relates to a wheel of stopping in a car with parking function.

Background

In industrial production manufacturing process, the position of ubiquitous frock, part removes, examines utensil etc. like the automobile punching press, mainly carries through driving or fork truck when long distance operation, but the short distance moves or when carrying out the locating position adjustment for convenient operation, mainly realizes through examining the gyro wheel of examining a frock bottom.

The gyro wheel structure of driving a vehicle or frock bottom among the prior art, the wheel hub that generally is simple installation mainly includes: base 01, support 02, gyro wheel 03 and pivot 04. And the base 01 is fixedly arranged on the bottom surface of the checking fixture tool body or the travelling crane by using bolts. The roller 03 is mounted on the bracket 02 through a rotating shaft 04.

By adopting the mode, the parking can not be stably stopped, the problem that the parking can not be stably stopped on the slightly inclined ground or the movement caused by the non-artificial subjective factor is easy to occur is solved. The part of the checking fixture with relatively small size and light weight can shake and move during detection operation, so that the precision detection is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a parking wheel avoids appearing swift current car, slip, perhaps at the subaerial problem that can't stably stop of a little slope, improves the production security. The problems of shaking and moving and influencing precision are avoided.

The utility model discloses a parking wheel, include: the mounting rack, the roller, the brake plate and the pedal; the mounting frame is provided with a supporting arm, the supporting arm is provided with two parallel parts which are respectively positioned on two sides of the roller and connected with the roller through a rotating shaft; a stroke limiting hole is formed in the supporting arm;

the brake plate is in sliding fit with the mounting rack, the brake plate is provided with a driven device, a first part and a second part which are branched, a stroke limiting clamping jaw is formed on the first part, a brake part is formed on the second part, the stroke limiting clamping jaw extends into the stroke limiting hole to limit the sliding distance of the brake plate, and a brake surface of the brake part faces the roller; the pedal is in rotating fit with the mounting frame and is provided with a driving surface, the driving surface is matched with the driven device, the braking plate is driven to slide relative to the mounting frame, and the braking part is enabled to be abutted against or separated from the roller.

The parking wheel as described above, wherein the driven member includes: the driven protrusion is higher than the driven plate; the drive face includes: the pedal is positioned between the driven protrusion and the driven plate, the upper driving surface is matched with the driven protrusion, and the lower driving surface is matched with the driven plate.

The parking wheel as described above, wherein the pedal is centered on a rotation axis rotatably fitted to the mounting bracket, and the pedal has a releasing pedal at one end and a locking pedal at the other end.

The parking wheel as described above, wherein a guiding hole is formed on the braking plate, the rotating shaft is connected to pass through the guiding hole and then pivotally connect the supporting arm and the roller, and a nut is sleeved outside the rotating shaft to limit the braking plate to move along the axial direction of the rotating shaft.

The parking wheel as above, wherein a rotation hole is formed on the pedal, the rotation shaft is connected to pass through the rotation hole, and the pedal is rotatably matched with the mounting rack by taking the rotation shaft as an axis.

The parking wheel as set forth above, wherein said mounting bracket further has a base fixedly provided on an upper portion of said support arm, said base having a mounting hole.

The parking wheel as described above, wherein the upper driving surface is a convex arc shape, and a linear portion is provided at the top of the upper driving surface to form a linear edge platform.

The utility model discloses still erect a parking wheel, include: the mounting rack, the roller, the brake plate and the pedal; the mounting frame is provided with a supporting arm, the supporting arm is provided with two parallel parts which are respectively positioned on two sides of the roller and connected with the roller through a rotating shaft; a brake through hole is formed in the supporting arm; the brake plate is in sliding fit with the mounting rack, the brake plate is of a long strip-shaped structure and is provided with a driven device and a brake part, the brake part is positioned at the top of the brake plate and extends into the brake through hole, and a brake surface of the brake part faces the roller; the pedal is in rotating fit with the mounting frame and is provided with a driving surface, the driving surface is matched with the driven device and drives the brake plate to slide relative to the brake plate, and the brake part is enabled to be abutted against or separated from the roller.

The parking wheel as described above, wherein the driven member includes: the driven plate is positioned at the bottom of the brake plate, and the driven protrusion is higher than the driven plate; the drive face includes: the pedal is positioned between the driven protrusion and the driven plate, the upper driving surface is matched with the driven protrusion, and the lower driving surface is matched with the driven plate.

The utility model discloses effectively solve traditional gyro wheel and take place "swift current car", gliding problem easily, perhaps at the subaerial problem that can't stably stop of a little slope, improved the production security. The state between the brake plate and the wheel is changed through the pedal, and the brake plate is abutted or separated, so that smooth shifting can be effectively guaranteed, the parking is stable, shaking cannot occur, and the parking precision is high.

Drawings

FIG. 1 is a schematic diagram of a roller structure in the prior art;

fig. 2 is a schematic view of the parking wheel of embodiment 1 of the present invention in an unlocked state;

fig. 3 is a schematic view of the locking state of the parking wheel of embodiment 1 of the present invention;

fig. 4 is an exploded view of the parking wheel of embodiment 1 of the present invention;

fig. 5 is a schematic view of the mounting frame in embodiment 1 of the parking wheel of the present invention;

fig. 6 is a schematic view of a brake plate in the parking wheel of embodiment 1 of the present invention;

fig. 7 is a schematic view of a pedal in embodiment 1 of the parking wheel of the present invention;

fig. 8 is a schematic view of a parking wheel according to embodiment 2 of the present invention;

FIG. 9 is an exploded view of FIG. 8;

fig. 10 is a schematic view of a brake plate according to embodiment 2 of the present invention.

Reference numerals:

the prior art is as follows: base 01, support 02, roller 03, pivot 04

Embodiment 1 of the present application: the device comprises a mounting frame 1, a roller 2, a rotating shaft 3, a braking plate 4, a pedal 5, a base 11, a mounting hole 111, a supporting arm 12, a stroke limiting hole 121, a shaft hole 122, a braking part 41, a stroke limiting claw 42, a driven bulge 43, a guide hole 44, a driven plate 45, a loosening pedal 51, a locking pedal 52, a rotating hole 53, an upper driving surface 54, a lower driving surface 55, a rotation limiting part 56 and a linear edge platform 57;

embodiment 2 of the present application: the mounting bracket 61, the roller 62, the rotating shaft 63, the braking plate 64, the pedal 65, the base 611, the mounting hole 6111, the supporting arm 612, the shaft hole 6122, the braking through hole 6123, the braking part 641, the driven protrusion 643, the guide hole 644, the driven plate 645, the release pedal 651 and the locking pedal 652.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

Example 1

The utility model discloses a parking wheel, refer to fig. 2 to fig. 4, include: the device comprises a mounting frame 1, a roller 2, a brake plate 4 and a pedal 5; the pedal 5 drives the brake plate 4 to move, and the brake plate 4 locks the roller 2 to prevent the roller from rotating, so that positioning is realized.

The mounting rack 1 is provided with a supporting arm 12, wherein the supporting arm 12 is provided with two parallel parts which are respectively positioned at two sides of the roller 2 and connected with the roller 2 through a rotating shaft 3; a stroke limiting hole 121 is formed in the supporting arm 12; the brake plate 4 is in sliding fit with the mounting frame 1, the brake plate 4 is provided with a driven device, a first part and a second part which are branched, a stroke limiting claw 42 is formed on the first part, a brake part 41 is formed on the second part, the stroke limiting claw 42 extends into the stroke limiting hole 121 to limit the sliding distance of the brake plate 4, and the brake surface of the brake part 41 faces the roller 2; the pedal 5 is rotatably matched with the mounting frame 1, the pedal 5 is provided with a driving surface, the driving surface is matched with the driven device, the braking plate 4 is driven to slide relative to the mounting frame 1, and the braking part 41 is enabled to be abutted against or separated from the roller 2.

The mounting bracket 1 further has a base 11, the base 11 is fixedly disposed on the upper portion of the support arm 12, and the base 11 has a mounting hole 111. The base 11 is convenient to be fixed whole parking wheel to the portion of waiting to install, such as driving, shallow etc. or the bottom of itself needs to install the wheel, the equipment of free mobility, for example examine utensil. The entire mounting bracket 1 is fixed through the mounting hole 111, thereby achieving movement.

In this embodiment 1, take one to examine a utensil as an example, set up the parking wheel of this application in examining a bottom to convenient the removal of examining the utensil, of course, examine a utensil and only regard as the example, come the convenient understanding this application.

Specifically, referring to fig. 5, the mount 1: the gauge comprises a base 11 and a supporting arm 12, wherein the base 11 is fixedly arranged on a gauge body through a bolt; the base 11 is the installation part of the installation frame 1, four waist-shaped installation holes 111 are processed on the base 11, the four waist-shaped installation holes 111 are evenly and symmetrically arranged at four corners of the base 11, the long direction extension lines of two adjacent waist-shaped holes can be intersected and are in a splayed structure, and the long directions of the opposite waist-shaped holes are parallel.

Because this mounting bracket 1 mainly installs in the bottom of examining a frock among the prior art scheme, need follow the reverse installation of bottom, can't visualize, can only touch the adjustment installation through the hand. Conventional bolt installation via hole is circular via hole, because the via hole diameter is greater than bolt rod portion diameter, twists two bolts earlier behind the other two bolt via holes can with examine screw thread bottom hole dislocation on the utensil body, decentraction, lead to the unable disect insertion of bolt, need make four bolts can twist simultaneously through the relative position of adjusting base 11. And the utility model discloses the project organization among the technical scheme can improve installation, locking work efficiency: screw in two adjacent bolts earlier, then remove mounting bracket 1, the length between splayed kidney-shaped hole edge and bolt contact to the contact position equals the distance between the bolt, and the mounting panel is in the dead stable state of card this moment, can not rock, then two other bolts of direct mount can.

The supporting arm 12 is a substantially parallel fork-knife structure, i.e. has two parallel parts, which are respectively connected to two sides of the roller 2 for fixing. At least one of the two portions is formed with a stroke limiting hole 121 to perform a motion stroke limitation of the brake plate 4 in cooperation with a stroke limiting jaw 42 (described later). The bottom end of the supporting arm 12 is provided with a shaft hole 122 for installing the connecting roller 2.

Referring to fig. 6, the brake plate 4 has a preferred structure formed in a branched structure, or a fork, in this embodiment, two branches, a first portion and a second portion, respectively, at the top end of the first portion, a stroke limiting claw 42, which is inserted into the stroke limiting hole 121, for controlling the moving stroke of the brake plate 4, that is, the sliding distance thereof, which is limited to the length of the stroke limiting hole 121.

The top end of the second part is a braking part 41 which is arc-shaped, the radian of the inner surface of the braking part 41 is the same as that of the outer surface of the roller 2, and the braking part can be completely attached to the outer surface of the roller 2 when being closed during parking and used for braking and locking the roller 2.

The braking plate 4 is further provided with a driven part and a guide hole 44, wherein the driven part comprises a driven protrusion 43 and a driven plate 45, the driven protrusion 43, the guide hole 44 and the driven plate 45, wherein the driven protrusion 43 is formed at the boundary (the boundary of the first part and the second part) of two branches of the braking plate 4, the convex hull of the driven protrusion 43 forms a smooth transition with the braking plate 4, and the driven protrusion cooperates with an upper driving surface 54 (described below) on the pedal 5 to perform state switching during operation.

Driven plate 45 is located at the bottom end of brake plate 4 and forms a raised elevation perpendicular to brake plate 4 that is actuated to change operating states by use of a lower drive surface 55 (described below) on pedal 5 when switched to the non-parking locked state.

The guide hole 44 is located below the driven protrusion 43 of the brake plate 4, is a kidney-shaped through hole, has a width diameter the same as or slightly smaller than the diameter of the rotating shaft 3, and can freely move with the rotating shaft 3. The guiding hole 44 is mainly used for controlling the movement direction of the braking plate 4 during the working state conversion, the length direction of the guiding hole is the normal direction of the surface of the braking part 41, and the inner circular arc surface of the braking plate 4 is completely attached and clamped with the roller surface after locking. In order to stabilize the control plate 4 along the axial direction of the rotating shaft 3, a nut is sleeved outside the rotating shaft 3 to limit the axial movement of the brake plate 4 along the rotating shaft 3.

As will be understood from the above-described fitting of the driven projection 43 to the upper driving surface 54, and fitting of the driven plate 45 to the lower driving surface 55, the driven projection 43 is located above the driven plate 45, and the pedal 5 is located between the driven projection 43 and the driven plate 45.

The pedal 5 will be specifically described with reference to fig. 7.

Referring to fig. 7, the pedal 5 has a driving surface including at least an upper driving surface 54 and a lower driving surface 55, and the pedal 5 further includes a release pedal 51, a lock pedal 52, a rotation hole 53, a rotation limiting portion 56, and a linear edge platform 57. Specifically, the method comprises the following steps:

the pedal 5 can be used as a driving part for locking or unlocking the roller 2, the main body is of a plate-shaped structure with irregular edges, the two ends of the long edge are provided with vertical pedals, it is noted that the pedal 5 is in running fit with the mounting frame 1, preferably, the rotation is realized by taking the rotating shaft 3 as a shaft, and the two ends of the long edge are positioned at the two ends taking the rotating shaft 3 as a center.

One end of the pedal 51 is used for switching to a non-braking locking state, the pedal 51 is pressed down by a foot when the state is switched, the pedal 5 rotates around the rotating shaft 3, the upper driving surface 54 is in sliding contact with the driven bulge 43 for guiding and sliding, and drives the braking plate 4 to move along the long side direction of the guide hole 44, so that the braking part 41 is separated from the roller 2, and the roller 2 can rotate.

The other end is a locking pedal 52 for switching to a braking locking state, the locking pedal 52 is pressed down by foot during state conversion, the pedal 5 rotates around the rotating shaft 3, the lower driving surface 55 is in sliding contact with the driven plate 45 to guide sliding and drive the braking plate 4 to move along the long side direction of the guide hole 44, so that the braking part 41 approaches to the surface of the roller 2 until the roller 2 is stuck and locked, and the roller 2 is braked and locked.

Preferably, the pedal is rotatably mounted on the rotation shaft 3 through a rotation hole.

The upper driving surface 54 is the edge of the main body of the pedal 5, is located between the releasing pedal 51 and the locking pedal 52, and is in the shape of a circular arc curve with variable curvature or fixed curvature. Preferably, the center of curvature of the curve is located between the rotation hole 53 and the locking step plate 52. The upper driving surface 54 changes the position of the braking plate 4 by its curved line sliding contact with the driven protrusion 43, and the stopper 41 on the braking plate 4 comes to the farthest away from the roller surface when the highest point of the upper driving surface 54 contacts the driven protrusion 43. Go up the driving surface 54 top, have a one end straight line on the curve that is the highest point position department, form a small segment straight line limit platform 57, straight line limit platform 57 can guarantee to be in more stable state after with the driven protruding 43 contact on the braking plate, avoid leading to footboard 5 to take place to rotate because of rocking during non-initiative operation, lead to braking plate 4 to move down and the dead situation of gyro wheel card appears in the contact of gyro wheel.

The lower drive surface 55 is located on the opposite side of the upper drive surface 54, i.e. the upper drive surface 54 is on the upper side of the footplate 5 and the lower drive surface 55 is located on the lower side of the footplate 5. The lower driving surface 55 drives the driven plate 45, the locking pedal 52 is pressed down, the brake plate moves along the guide hole 44 through the sliding guide of the lower driving surface 55 and the driven plate 45, and the braking part 41 on the brake plate 4 is close to the surface of the roller 2 until the brake part contacts, clings to and is clamped tightly, so that the brake locking state is achieved.

The rotation hole 53 is located between the release pedal 51 and the locking pedal 52, and also between the upper driving surface 54 and the lower driving surface 55. The rotating shaft 3 passes through the rotating hole 53, and the pedal 5 is in running fit with the mounting rack 1 by taking the rotating shaft 3 as a shaft.

The rotation-restricting portion 56 is located near the lower driving surface 55, preferably between the rotation hole 53 and the release pedal 51, for restricting rotation of the pedal 5 when shifting to the non-brake-locked state. When the pedal 5 is switched to the non-braking locking state and the rotation restricting portion 56 abuts against the driven plate 45 of the brake plate 4 after the rotation, the driven protrusion 43 comes into contact with the highest point of the upper driving surface 54, and the braking portion 41 of the brake plate 4 comes to the farthest position from the roller surface.

The linear edge platform 57 is a small section of linear edge platform located at the highest point where the upper driving surface 54 contacts the driven protrusion 43, and is used to ensure that the non-braking locking state is in a stable state, and normal use is not affected. The driven protrusion 43 contacts the linear side platform 57, so that the state is stable, and the pedal is prevented from rotating easily due to the fact that the pedal is completely smooth and smooth.

The rotating shaft 3 passes through the pedal 5, the brake plate 4, the shaft hole 122 on the supporting arm 12 and the roller 3 in sequence, and all parts are assembled together. The spindle 3 may be part of the support arm 12 but is preferably of a split removable construction for ease of removal.

During fixed mounting, firstly two adjacent bolts are installed and screwed on the base 11, then the whole body moves towards the other two mounting holes 111 until the splayed mounting holes of the two screwed bolts are clamped, and then the two other bolts are directly inserted for installation and screwed, so that convenient and fast installation operation can be carried out without visual observation.

And (3) switching the working state: when the non-braking locking state is switched, the pedal 51 is released by pressing the pedal 5, the upper driving surface 54 and the driving protrusion 43 gradually slide and contact after the pedal 5 rotates, the braking plate 4 moves along the length direction of the guide hole 44 until the driven protrusion 43 contacts with the highest point of the upper driving surface 54, the braking part 41 on the braking plate 4 reaches the farthest position far away from the surface of the roller, and the rotation limiting part 56 abuts against the driven plate 45 on the braking plate 4.

When the brake locking state is switched, the locking pedal 52 of the pedal 5 is pressed, the lower driving surface 55 and the driven plate 45 gradually move in sliding contact after the pedal 5 rotates, and the brake plate 4 moves along the length direction of the guide hole 44 until the braking part 41 of the brake plate gradually approaches to the surface of the roller until the braking part abuts against the surface of the roller 2 and is clamped.

Example 2

Compared to embodiment 1, embodiment 2 has several differences, especially in the brake plate 64 and the pedal 65.

In this embodiment, referring to fig. 8 to 10, the pedal 64 is not branched (or bifurcated, and the support arm 612 is not provided with the stroke limiting hole 121, but forms a braking through hole 6123, and the braking portion 641 of the braking plate 64 passes through the braking through hole 6123 and acts on the surface of the roller when locked, the braking through hole 6123 is used for the braking portion 641 to pass through, and simultaneously can limit the stroke of the braking portion, correspondingly, the stroke limiting claw 642 formed on the braking plate 64 is not needed, and the limiting can be realized by directly passing through the braking portion 641 and the braking through hole 6123.

In this embodiment, the braking plate 64 has a substantially zigzag structure with three perpendicular sides, one end being a braking portion 641 and the other end being a driven plate 645; a driven protrusion 643 is arranged at one end of the middle part close to the braking part 641, the driven protrusion 643 is a protrusion formed by cutting about 30 degrees for the braking plate body, and the state is switched by matching with the driving part 654 on the pedal 65 during operation; the end of the middle part near the driven plate 645 is provided with a guide hole 644 which has a similar function and structure to the guide hole 44 in embodiment 1, and is mainly used for controlling the moving direction of the braking plate 64 during the operation state conversion, the length direction of the guide hole is the normal direction of the surface of the braking portion 641, and the braking portion 641 of the braking plate is locked on the surface of the roller after locking. Driven plate 645: is a vertical surface of the bottom end of the brake plate 64, perpendicular to the side walls of the brake plate 64, and is switched to the non-parking locked state by using the lower driving surface 655 on the pedal 65 to drive the change of the working state.

In this embodiment, the rotation stopper 656 may not be provided on the lower side of the pedal 65.

Specifically, the parking wheel in this embodiment also includes a mounting bracket 61, a roller 62, a brake plate 64, and a pedal 65; the mounting frame 61 is provided with a supporting arm 612, and the supporting arm 612 is provided with two parallel parts which are respectively positioned at two sides of the roller 62 and connected with the roller 62 through a rotating shaft 63; a brake through hole 6123 is further formed on the support arm 612; the braking plate 64 is in sliding fit with the mounting bracket 61, the braking plate 64 is in a long strip-shaped structure and is provided with a driven device and a braking portion 641, the braking portion 641 is located at the top of the braking plate 64 and extends into the braking through hole 6123, and a braking surface of the braking portion 641 faces the roller 62; the pedal 65 is rotatably engaged with the mounting bracket 61, and the pedal 65 has a driving surface which is matched with the driven device to drive the braking plate 64 to slide relative to the mounting bracket 61, so that the braking portion 641 is abutted against or separated from the roller 62.

Preferably, the driven member includes: a driven protrusion 643 and a driven plate 645, the driven plate 645 being located at the bottom of the stopper plate 64, the driven protrusion 643 being higher than the driven plate 645; the drive face includes: an upper driving surface 654 and a lower driving surface 655 formed on an upper side of the step plate 65, the step plate 65 being located between the driven protrusion 643 and the driven plate 645, the upper driving surface 654 being engaged with the driven protrusion 643, the lower driving surface 655 being engaged with the driven plate 645.

The mounting bracket 61 further has a base 611, the base 611 is fixedly disposed on the upper portion of the support arm 612, and the base 611 has a mounting hole 6111. The base 611 facilitates fixing the entire parking wheel to the part to be mounted, such as a traveling crane, a cart, etc., or the bottom of the base itself needs to be mounted with wheels, a freely moving device, such as a checking fixture. The entire mounting bracket 61 is fixed through the mounting hole 6111, thereby achieving movement. The bottom end of the supporting arm 612 is provided with a shaft hole 6122 for mounting the connecting roller 62.

Similarly, the pedal 65 can be used as a driving member for locking or unlocking the roller 62, the main body has a plate-shaped structure with irregular edges, and the pedal is vertically arranged at two ends of the long side, and it should be noted that the pedal 65 is rotatably matched with the mounting frame 61, preferably, the pedal is rotated by using the rotating shaft 63 as a shaft, and the two ends of the long side are two ends centered on the rotating shaft 63.

One end of the brake pedal 651 is used for switching to a non-braking locking state, and when the state is switched, the pedal 651 is pressed down by a foot, the pedal 65 rotates around the rotating shaft 63, the upper driving surface 654 is in sliding contact with the driven protrusion 643 to guide sliding and drive the brake plate 64 to move along the long side direction of the guide hole 644, so that the brake part 641 is separated from the roller 62, and the roller 62 can rotate.

The other end is a locking pedal 652 which is used for switching to a braking locking state, when the state is switched, the locking pedal 652 is pressed down by a foot, the pedal 65 rotates around the rotating shaft 63, the lower driving surface 655 is in sliding contact with the driven plate 645 to guide sliding and drive the braking plate 64 to move along the long side direction of the guide hole 644, so that the braking part 641 approaches to the surface of the roller 62 until the roller 62 is attached and clamped, and the roller 62 is braked and locked.

Other points are similar to those of embodiment 1 and are not described again.

The structure, features and effects of the present invention have been described in detail above according to the embodiment shown in the drawings, and the above description is only the preferred embodiment of the present invention, but the present invention is not limited to the implementation scope shown in the drawings, and all changes made according to the idea of the present invention or equivalent embodiments modified to the same changes should be considered within the protection scope of the present invention when not exceeding the spirit covered by the description and drawings.

Claims (9)

1. A parking wheel, comprising:

the device comprises a mounting rack (1), rollers (2), a brake plate (4) and a pedal (5); wherein,

the mounting frame (1) is provided with a supporting arm (12), the supporting arm (12) is provided with two parallel parts which are respectively positioned at two sides of the roller (2) and connected with the roller (2) through a rotating shaft (3);

a stroke limiting hole (121) is also formed in the supporting arm (12);

the brake plate (4) is in sliding fit with the mounting frame (1), the brake plate (4) is provided with a driven device, a first part and a second part which are branched, a stroke limiting clamping jaw (42) is formed on the first part, a brake part (41) is formed on the second part, the stroke limiting clamping jaw (42) extends into the stroke limiting hole (121) to limit the sliding distance of the brake plate (4), and a brake surface of the brake part (41) faces the roller (2);

the pedal (5) is in running fit with the mounting frame (1), the pedal (5) is provided with a driving surface, the driving surface is matched with the driven device, the braking plate (4) is driven to slide relative to the mounting frame (1), and the braking part (41) is enabled to be abutted against or separated from the roller (2).

2. Parking wheel according to claim 1,

the driven member includes: a driven protrusion (43) and a driven plate (45), the driven protrusion (43) being higher than the driven plate (45);

the drive face includes: an upper driving surface (54) formed on the upper side of the pedal (5) and a lower driving surface (55) formed on the lower side of the pedal (5), wherein the pedal (5) is positioned between the driven protrusion (43) and the driven plate (45), the upper driving surface (54) is matched with the driven protrusion (43), and the lower driving surface (55) is matched with the driven plate (45).

3. Parking wheel according to claim 1,

the pedal (5) and a rotating shaft which is in running fit with the mounting rack (1) are arranged as the center, one end of the pedal (5) is provided with a releasing pedal (51), and the other end of the pedal is provided with a locking pedal (52).

4. Parking wheel according to claim 1,

a guide hole (44) is formed in the brake plate (4), the rotating shaft (3) is connected and penetrates through the guide hole (44) and then is pivoted with the supporting arm (12) and the roller (2), and a nut is sleeved outside the rotating shaft (3) to limit the brake plate (4) to move along the axial direction of the rotating shaft (3).

5. Parking wheel according to claim 1,

form rotatory hole (53) on footboard (5), pivot (3) are connected and are passed rotatory hole (53), footboard (5) use pivot (3) are the axle, with mounting bracket (1) normal running fit.

6. Parking wheel according to claim 1,

the mounting rack (1) is further provided with a base (11), the base (11) is fixedly arranged at the upper part of the supporting arm (12), and the base (11) is provided with a mounting hole (111).

7. Parking wheel according to claim 2,

the upper driving surface (54) is in a convex arc shape, and the top of the upper driving surface (54) is provided with a linear part to form a linear edge platform (57).

8. A parking wheel, comprising:

the device comprises a mounting frame (61), a roller (62), a brake plate (64) and a pedal (65); wherein,

the mounting frame (61) is provided with a supporting arm (612), the supporting arm (612) is provided with two parallel parts which are respectively positioned at two sides of the roller (62) and connected with the roller (62) through a rotating shaft (63);

a brake through hole (6123) is further formed in the supporting arm (612);

the brake plate (64) is in sliding fit with the mounting frame (61), the brake plate (64) is of a long strip-shaped structure and is provided with a driven device and a brake part (641), the brake part (641) is located at the top of the brake plate (64) and extends into the brake through hole (6123), and the brake surface of the brake part (641) faces the roller (62);

the pedal (65) is in rotating fit with the mounting frame (61), the pedal (65) is provided with a driving surface, the driving surface is matched with the driven device, the brake plate (64) is driven to slide relative to the mounting frame (61), and the brake part (641) is abutted against or separated from the roller (62).

9. The parking wheel of claim 8,

the driven member includes: a driven protrusion (643) and a driven plate (645), the driven plate (645) being located at the bottom of the brake plate (64), the driven protrusion (643) being higher than the driven plate (645);

the drive face includes: an upper driving surface (654) formed on the upper side of the pedal (65) and a lower driving surface (655) formed on the lower side of the pedal (65), the pedal (65) is located between the driven protrusion (643) and the driven plate (645), the upper driving surface (654) is engaged with the driven protrusion (643), and the lower driving surface (655) is engaged with the driven plate (645).