CN211166244U

CN211166244U - Central brake truckle

Info

Publication number: CN211166244U
Application number: CN201921919477.4U
Authority: CN
Inventors: 董安忠; 王传光
Original assignee: Qingdao Shinhee Polymer Co ltd
Current assignee: Qingdao Shinhee Polymer Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-08-04
Anticipated expiration: 2029-11-08

Abstract

The utility model provides a central brake truckle, which comprises a base, base up end fixedly connected with supports the clamp splice, it is connected with the truckle subassembly to support the clamp splice upside, the inside fixedly connected with brake block subassembly of truckle subassembly, brake block subassembly contacts with the ejecting core top of central authorities, central authorities 'ejection core sliding connection is on supporting the clamp splice, central authorities' ejection core bottom contacts with the inside drive slider of base, the drive slider left end is rotated and is connected with the pull rod, the pull rod other end rotates through pivot and brake lever to be connected, compares with prior art, the utility model discloses following beneficial effect has: the fixed position of the brake can be realized, the support can rotate freely and brake, the passive vehicle moving caused by unfixed brake position when the vehicle is parked can be avoided, the potential safety hazard caused by the incapability of braking can be avoided, and the purpose of universal free double-brake is realized.

Description

Central brake truckle

Technical Field

The utility model relates to a central brake truckle belongs to brake truckle technical field.

Background

At present, the brakes of most of steering caster wheels can rotate along with the support, so that after the equipment is stopped stably, the brake position can not be fixed, the vehicle can rotate to the bottom of the vehicle possibly and the vehicle cannot brake, if the vehicle needs to be moved to rotate the brake out, the work efficiency is low, and certain potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a central brake truckle to solve the problem that proposes in the above-mentioned background art, the utility model discloses can realize brake rigidity, the support can free rotation and brake, and the unfixed passive car that moves that causes in brake position can avoid parkking can avoid the potential safety hazard that the unable brake caused.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a central brake truckle, includes the base, base up end fixedly connected with supports the clamp splice, it is connected with the truckle subassembly to support the clamp splice upside, the inside fixedly connected with brake block subassembly of truckle subassembly, brake block subassembly contacts with the ejecting core top of central authorities, central authorities' ejecting core sliding connection is on supporting the clamp splice, the ejecting core bottom of central authorities passes and supports the clamp splice to contact with the inside drive slider of base, the drive slider left end rotates and is connected with the pull rod, the pull rod other end rotates through pivot and brake lever to be connected, the brake lever rotates and connects in the base left side.

Furthermore, the truckle subassembly comprises rubber wheel, support, big elastic cover, tooth lid, bottom plate, steel ball and hollow rivet, and adopts turn-ups riveting mode to fix together, the bottom plate is located and supports the clamp splice upside, and bottom plate, support clamp splice and base pass through the bolt fastening together to constitute a unified base member.

Further, brake disc subassembly includes brake wheel piece and brake main part, the riveting of brake wheel piece is in brake main part upside, and the brake wheel piece is located the rubber wheel below.

Furthermore, the upper side of the central ejection core is connected with a flat-head hexagonal screw, the lower side of the central ejection core is rotatably connected with a circular rotor, and the circular rotor is positioned on the upper side of the driving slide block.

Furthermore, the center point of the upper side of the flat-head hexagonal screw is in contact with the salient point, and the salient point is integrally formed at the lower end of the main brake pad in a punching mode.

Further, the central ejection core is formed by injection molding of nylon.

Further, the driving slide block is an alloy precision casting part.

Furthermore, the cross section of the driving sliding block is of a trapezoidal structure, and the inclined plane of the driving sliding block is an arc inclined plane.

Further, an arc-shaped limiting groove is machined in the upper side of the driving sliding block.

Furthermore, bolt holes are machined in four corners of the lower end face of the base, and the bolt holes are long waist-shaped.

The utility model has the advantages that: the utility model discloses a central brake truckle can realize brake rigidity, and the support can free rotation and brake, and the unfixed passive car that moves that causes in brake position can avoid parkking, can avoid the potential safety hazard that the unable brake caused, and realized the purpose of universal free double-brake, easy operation, excellent in use effect.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic front view of a central brake caster of the present invention;

fig. 2 is a schematic bottom view of a central brake caster of the present invention;

fig. 3 is a schematic view of a brake pad assembly in a center brake caster of the present invention;

fig. 4 is a schematic view of a center ejector core in a center brake caster of the present invention;

fig. 5 is a schematic view of the central brake caster of the present invention in a braking state;

in the figure: the brake comprises a brake block assembly 1, a caster assembly 2, a central ejection core 3, a supporting clamp block 4, a base 5, a driving slide block 6, a pull rod 7, a brake handle 8, a brake wheel block 11, a brake main block 12, a salient point 13, a flat head hexagon screw 31, a circular rotor 32 and a bolt hole 51.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1 to 5, the present invention provides a technical solution: a central brake caster comprises a base 5, wherein a supporting clamping block 4 is fixedly connected to the upper end face of the base 5, a caster component 2 is connected to the upper side of the supporting clamping block 4, a brake component 1 is fixedly connected to the inside of the caster component 2, the brake component 1 is in contact with the top end of a central ejection core 3, the central ejection core 3 is connected to the supporting clamping block 4 in a sliding mode, the bottom end of the central ejection core 3 penetrates through the supporting clamping block 4 and is in contact with a driving sliding block 6 inside the base 5, the left end of the driving sliding block 6 is rotatably connected with a pull rod 7, the other end of the pull rod 7 is rotatably connected with a brake handle 8 through a rotating shaft, the brake handle 8 is rotatably connected to the left side of the base 5, the caster is fixed to equipment through four bolts, the brake handle 8 is pressed down, the driving sliding block 6 is pulled through the pull rod 7, the central ejection core, when the driving slide block 6 jacks the central ejection core 3 in place, the central ejection core 3 enters the arc-shaped limiting groove, jacks the brake block assembly 1 by the central ejection core 3 to brake wheels and steering, and enters a braking state.

Truckle subassembly 2 comprises rubber wheel, support, big bullet lid, tooth lid, bottom plate, steel ball and hollow rivet, and adopts the mode of turn-ups riveting to fix together, and the bottom plate is located and supports 4 upsides of clamp splice, and the bottom plate, supports clamp splice 4 and base 5 and pass through the bolt fastening together to constitute a unified base member, realized that truckle subassembly 2 is the same with traditional truckle structure, convenient the change.

The brake block assembly 1 comprises a brake wheel block 11 and a brake main block 12, the brake wheel block 11 is riveted on the upper side of the brake main block 12, the brake wheel block 11 is located below the rubber wheel, the double-brake function is achieved, two teeth can be arranged at the front end of the brake main block 12 to brake and turn, and the brake wheel block 11 is also provided with two lips for braking the wheel.

The upper side of the central ejection core 3 is connected with a flat-head hexagonal screw 31, the lower side of the central ejection core 3 is rotatably connected with a circular rotor 32, the circular rotor 32 is positioned on the upper side of the driving slide block 6, the driving slide block 6 is convenient to move along the circular rotor 32, and the central ejection core 3 is prevented from directly contacting with the main brake pad 12.

The center point of the upper side of the flat-head hexagonal screw 31 is in contact with the convex point 13, the convex point 13 is integrally formed at the lower end of the main brake pad 12 in a punching mode, the main brake pad 12 is conveniently aligned with the flat-head hexagonal screw 31 through the convex point 13, and then the main brake pad 12 and the support can conveniently rotate around the vertical central axis of the central ejection core 3.

The central ejecting core 3 is formed by nylon injection molding, and the wear-resisting effect is improved.

The driving slide block 6 is an alloy precision casting part, so that the service life and the precision of the driving slide block 6 are improved.

The cross section of the driving sliding block 6 is in a trapezoidal structure, and the inclined plane of the driving sliding block 6 is an arc inclined plane.

The upper side of the driving slide block 6 is provided with an arc-shaped limiting groove, so that the circular rotor 32 is limited and placed on the arc-shaped limiting groove.

Bolt holes 51 are machined in four corners of the lower end face of the base 5, the bolt holes 51 are long waist-shaped, external bolts penetrate through the bolt holes 51 in the base 5 and are fixedly connected with external equipment, the base 5 and the external equipment are fixed together, and then the brake lever 8 is limited through the base 5, and horizontal rotation of the brake lever is avoided.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent embodiments without departing from the scope of the present invention, but all the technical matters of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a central brake truckle, includes the base, its characterized in that: the base up end fixedly connected with supports the clamp splice, it is connected with the truckle subassembly to support the clamp splice upside, the inside fixedly connected with brake block subassembly of truckle subassembly, brake block subassembly contacts with the ejecting core top of central authorities, central authorities' ejecting core sliding connection is on supporting the clamp splice, the ejecting core bottom of central authorities passes and supports the clamp splice to contact with the inside drive slider of base, the drive slider left end rotates and is connected with the pull rod, the pull rod other end rotates through pivot and brake lever to be connected, the brake lever rotates and connects in the base left side.

2. The center-brake caster of claim 1, wherein: the trundle assembly is composed of a rubber wheel, a support, a large elastic cover, a tooth cover, a bottom plate, a steel ball and a hollow rivet, and is fixed together in a flanging riveting mode, the bottom plate is located on the upper side of the supporting clamping block, and the bottom plate, the supporting clamping block and the base are fixed together through bolts to form a uniform base body.

3. The center-brake caster of claim 1, wherein: the brake pad subassembly includes brake wheel piece and brake main part, the riveting of brake wheel piece is in brake main part upside, and the brake wheel piece is located the rubber wheel below.

4. The center-brake caster of claim 1, wherein: the upper side of the central ejection core is connected with a flat-head hexagonal screw, the lower side of the central ejection core is rotatably connected with a circular rotor, and the circular rotor is positioned on the upper side of the driving slide block.

5. The center brake caster of claim 4, wherein: the center point of the upper side of the flat-head hexagonal screw is in contact with the salient point, and the salient point is integrally formed at the lower end of the main brake pad in a punching mode.

6. The center brake caster of claim 4, wherein: the central ejecting core is formed by nylon through injection molding.

7. The center-brake caster of claim 1, wherein: the driving slide block is an alloy precision casting part.

8. The center-brake caster of claim 1, wherein: the cross section of the driving sliding block is of a trapezoidal structure, and the inclined plane of the driving sliding block is an arc inclined plane.

9. The center brake caster of claim 8, wherein: and an arc-shaped limiting groove is processed on the upper side of the driving sliding block.

10. The center-brake caster of claim 1, wherein: bolt holes are machined in four corners of the lower end face of the base, and the bolt holes are long waist-shaped.