CN219686971U - Universal wheel locking structure of travelling car - Google Patents

Abstract

The utility model relates to the technical field of universal wheels, and discloses a universal wheel locking structure of a mobile trolley, which comprises a mounting bracket, wherein the bottom of the right side of the mounting bracket is fixedly connected with a bottom plate, the top of the bottom plate is fixedly connected with a screw rod, the outside of the screw rod is in sliding sleeve joint with a pressing plate, and the inside of the bottom end of the left side of the mounting bracket is in rotary sleeve joint with a vertical shaft. This travelling car universal wheel locking structure through the internally mounted bolt at the butt joint board and fix through nut and travelling car's bottom plate, when this device needs to install in travelling car's the outside, at first with travelling car's bottom plate joint at the top of bottom plate, rotate the outside nut of screw rod for the nut drives the pressfitting board and pushes down the laminating at travelling car bottom plate's top, makes travelling car's bottom plate by the centre gripping at bottom plate and pressfitting inboard of board from this, from this makes the bottom or the outside of installing at various shallow or travelling car that this device can be quick, has improved the suitability of this device.

Description

Universal wheel locking structure of travelling car

Technical Field

The utility model relates to the technical field of universal wheels, in particular to a universal wheel locking structure of a movable trolley.

Background

The universal wheel is a so-called movable castor, the structure of which allows 360 degrees of rotation horizontally, the universal wheel is a so-called movable castor, the bracket mounted on the castor wheel can rotate 360 degrees horizontally in dynamic load or static load, the structure of which allows 360 degrees of rotation horizontally, and the universal wheel is usually mounted on the bottom of various trolleys or travelling carts.

The existing universal wheel is generally provided with a brake pad, the pedal is arranged outside the brake pad, so that the pedal drives the brake pad to be attached to the outer side of the universal wheel to achieve the effect of limiting the universal wheel, but the brake structure limits the movement of the universal wheel through friction generated by attachment of the brake pad and the outer side of the universal wheel, so that the braking effect is poor through friction, the specification and the model of each trolley or each movable trolley for installing the universal wheel are required to be customized according to the vehicle type, the application range of the universal wheel is limited by the vehicle type, and therefore the movable trolley universal wheel locking structure is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a universal wheel locking structure of a mobile trolley, which solves the problems in the background art.

The utility model provides the following technical scheme: the utility model provides a travelling car universal wheel locking structure, includes the installing support, the bottom fixedly connected with bottom plate on installing support right side, the top fixedly connected with screw rod of bottom plate, the outside slip of screw rod has cup jointed the pressboard, the inside rotation of installing support left side bottom has cup jointed the vertical axis, the bottom fixedly connected with truckle support of vertical axis, the inside rotation of truckle support has cup jointed the footboard, the bottom fixedly connected with brake block of footboard, the both sides fixedly connected with locating rack of brake block.

Preferably, the inside fixedly connected with spring of locating rack, the one end fixedly connected with clamping rod of spring, the outside of clamping rod is the hemisphere.

Preferably, the inside of truckle support bottom has rotated the cover and has cup jointed the cross axle, the outside of cross axle has rotated the cover and has cup jointed the universal wheel, the inside of universal wheel is the fretwork setting.

Preferably, the outside of screw rod is equipped with the nut, one side fixedly connected with rubber cushion layer at bottom plate top, the bottom fixedly connected with rubber cushion layer of pressfitting board one side.

Preferably, the two sides of installing support left end fixedly connected with butt joint board, threaded hole has been seted up to the inside of butt joint board, the outside at installing support right side bottom is cup jointed in the pressfitting board slip.

Preferably, the universal wheel is located in the castor support, the clamping rod is clamped in the universal wheel, and the brake pad is spherical in shape.

Compared with the prior art, the utility model has the following beneficial effects:

1. this travelling car universal wheel locking structure through the bottom plate of butt joint board and installing support right-hand member bottom fixed connection at installing support left end both sides installation, when this device needs to install in the bottom of travelling car, can be directly through the screw hole internally mounted bolt at the butt joint board and fix through nut and travelling car's bottom plate, when this device needs to install in the outside of travelling car, at first with travelling car's bottom plate joint at the top of bottom plate, and rotate the outside nut of screw rod for the nut drives the pressfitting board and pushes down the laminating at the top of travelling car bottom plate, makes the bottom plate of travelling car by the centre gripping in the inboard of bottom plate and pressfitting board from this, makes the bottom plate of this device can be quick install in the bottom or the outside of various carts or travelling car, has improved this device's suitability.

2. This travelling car universal wheel locking structure, through the spring at the inside fixed connection of locating rack, when this device needs to lock the universal wheel, step on through the user at first and make the footboard drive brake block linkage locating rack push down, when the locating rack pushes down, the clamping pole receives the inside of the spacing shrink of universal wheel and carries out the locating rack, then make the locating rack joint to the both sides of universal wheel, when the locating rack removes the both sides of universal wheel, through the setting of universal wheel fretwork, make the clamping pole lose the spacing of universal wheel, after the reset of spring, make the clamping pole joint in the fretwork department of universal wheel, make the inside of universal wheel by the locking of clamping pole, the stability of this device locking has been improved then.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a side view of the structure of the present utility model;

FIG. 3 is a cross-sectional view of the structure of the present utility model;

fig. 4 is a cross-sectional view of the structure of the spring of the present utility model.

In the figure: 1. a mounting bracket; 2. an abutting plate; 3. a bottom plate; 4. a screw; 5. pressing the plate; 6. a rubber cushion layer; 7. a vertical axis; 8. a caster bracket; 9. a pedal; 10. a brake pad; 11. a positioning frame; 12. a spring; 13. a clamping rod; 14. a horizontal axis; 15. and a universal wheel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, a travelling car universal wheel locking structure, including installing support 1, installing support 1 is as the interfacing structure of this device, it has played the effect of spacing support interfacing plate 2 and bottom plate 3, the holistic stability of this device has been improved, the bottom fixedly connected with bottom plate 3 of installing support 1 right side, bottom plate 3 is as the interfacing structure of this device, it has played the effect of supporting spacing travelling car bottom plate, and the cooperation with pressfitting plate 5 makes this device to be held in the outside of travelling car bottom plate, the suitability of this device installation in various travelling car outsides has been improved, the top fixedly connected with screw 4 of bottom plate 3, screw 4 has as the limit structure of this device, it has played the effect of spacing pressfitting plate 5, the stability of pressfitting plate 5 centre gripping travelling car has been improved, the outside slip cup joint of screw 4 has cup jointed pressure plate 5, vertical shaft 7 has been cup jointed in the inside rotation of installing support 1 left side bottom, vertical shaft 7 is as the rotating structure of this device, it has ensured that truckle support 8 has driven cross axle 14 and has carried out steering adjustment's effect, the bottom fixedly connected with pressure plate 7, brake 8 is equipped with support 8, it has been provided with support 8 as the landing wheel support 8, it has played the effect of supporting wheel 10 as the landing wheel 9, it has played the effect of supporting plate 10, it has played the effect of pedal 9, it has played the effect of supporting wheel 15 to be connected with the landing wheel 15, it has played the effect of pedal 15, it has played the effect of leading wheel 15, it has been provided the effect of pedal 15, it has been provided the pedal 15, and has been connected with the pedal 15 through the landing gear 10, and has been provided the effect of the landing wheel 15, the friction and the effect of limiting the rotation of the universal wheel 15 are achieved, the positioning frames 11 are fixedly connected to the two sides of the brake pad 10, and the positioning frames 11 serve as the linkage limiting structure of the device and play a role in limiting the springs 12 and synchronously moving the linkage springs 12.

Referring to fig. 3-4, a spring 12 is fixedly connected to the inside of the positioning frame 11, the spring 12 is used as a reset structure of the device, it ensures that the clamping rod 13 is always in an extended state under the condition of no external force, the stability of the clamping rod 13 is improved, one end of the spring 12 is fixedly connected with the clamping rod 13, the clamping rod 13 has the effect of locking the universal wheel 15, the stability of the device for locking the universal wheel 15 is improved, the outside of the clamping rod 13 is hemispherical, the inside of the bottom end of the caster bracket 8 is rotationally sleeved with a transverse shaft 14, the outside of the transverse shaft 14 is rotationally sleeved with the universal wheel 15, the universal wheel 15 is used as the prior art, the utility model is not described in detail any more, the inside of the universal wheel 15 is in a hollowed-out arrangement, the hollowed-out arrangement of the universal wheel 15 reserves a clamping space for the clamping of the clamping rod 13, the clamping rod 13 is ensured to be clamped into the inner side of the universal wheel 15, the universal wheel 15 is subjected to secondary limiting locking, the locking stability of the device is improved, a nut is arranged outside the screw 4, one side of the top of the bottom plate 3 is fixedly connected with the rubber cushion layer 6, the bottom of one side of the pressing plate 5 is fixedly connected with the rubber cushion layer 6, the rubber cushion layer 6 is used as a buffer structure, the clamping stability of the device on the bottom plate of the mobile trolley is enhanced, the friction force between the bottom plate 3 and the pressing plate 5 and the mobile trolley is improved, the fixed connection stability is enhanced, the two sides of the left end of the mounting bracket 1 are fixedly connected with the butt plate 2, the inside of the butt plate 2 is provided with a threaded hole, the pressing plate 5 is sleeved on the outside of the right bottom end of the mounting bracket 1 in a sliding manner, the universal wheel 15 is positioned inside the caster bracket 8, the clamping rod 13 is clamped inside the universal wheel 15, the shape of the brake pad 10 is spherical, the outer shape of the brake pad 10 ensures that it is smoothly retracted into the interior of the spacer 11 after being pressed by the universal wheel 15.

Working principle: when the device needs to be installed in the bottom of the mobile trolley, through sleeving the bolts in the threaded holes of the butt plate 2, and fixing the mounting bracket 1 on the bottom of the mobile trolley through the nuts, when the device needs to be installed on the outer side of the bottom plate of the mobile trolley, firstly, the bottom plate of the mobile trolley is clamped on the top of the bottom plate 3, then the nuts outside the screw rods 4 are rotated, the nuts drive the press plate 5 to be pressed down until the press plate 5 is attached on the top of the bottom plate of the mobile trolley, then the nuts outside the screw rods 4 are continuously rotated, the bottom plate of the mobile trolley is clamped in the bottom plate 3 and the press plate 5, when the device needs to lock the universal wheels 15, the pedal 9 is firstly stepped on by a user, the brake block 10 is driven to link the positioning frame 11 to be pressed down by the pedal 9, when the brake block 10 is pressed down, the outer side of the universal wheels 15 is abutted to achieve the effect of preliminary limiting the universal wheels 15, when the positioning frame 11 is pressed down, the clamping rod 13 is pressed down on the outer side of the universal wheels 15, the positioning frame 11 is enabled to be contracted in the inner part of the positioning frame 11, the universal wheels 15 are clamped on the two sides of the universal wheels 15 are clamped on the universal wheels 15, and the two sides of the universal wheels 13 are clamped on the universal wheels 13 and the two sides of the universal wheels are clamped 13 are clamped and the universal wheels 13 are clamped on the universal wheels 13.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Meanwhile, in the drawings of the present utility model, the filling pattern is only for distinguishing the layers, and is not limited in any way.

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

Claims (6)

1. The utility model provides a travelling car universal wheel locking structure, includes installing support (1), its characterized in that: bottom fixedly connected with bottom plate (3) on installing support (1) right side, the top fixedly connected with screw rod (4) of bottom plate (3), outside slip of screw rod (4) has cup jointed pressfitting board (5), the inside rotation of installing support (1) left side bottom has cup jointed vertical axis (7), the bottom fixedly connected with truckle support (8) of vertical axis (7), the inside rotation of truckle support (8) has cup jointed footboard (9), the bottom fixedly connected with brake block (10) of footboard (9), the both sides fixedly connected with locating rack (11) of brake block (10).

2. The travelling car universal wheel locking structure according to claim 1, wherein: the inside fixedly connected with spring (12) of locating rack (11), the one end fixedly connected with clamping rod (13) of spring (12), the outside of clamping rod (13) is the hemisphere.

3. The travelling car universal wheel locking structure according to claim 2, wherein: the inside of truckle support (8) bottom rotates and has cup jointed cross axle (14), the outside of cross axle (14) rotates and has cup jointed universal wheel (15), the inside of universal wheel (15) is the fretwork setting.

4. The travelling car universal wheel locking structure according to claim 1, wherein: the screw is characterized in that a nut is arranged outside the screw (4), a rubber cushion layer (6) is fixedly connected to one side of the top of the bottom plate (3), and a rubber cushion layer (6) is fixedly connected to the bottom of one side of the pressing plate (5).

5. The travelling car universal wheel locking structure according to claim 1, wherein: the two sides of the left end of the mounting bracket (1) are fixedly connected with the butt joint plates (2), threaded holes are formed in the butt joint plates (2), and the pressing plates (5) are sleeved on the outer portion of the right bottom end of the mounting bracket (1) in a sliding mode.

6. A travelling car castor lock arrangement according to claim 3, wherein: the universal wheel (15) is located in the castor bracket (8), the clamping rod (13) is clamped in the universal wheel (15), and the appearance of the brake block (10) is spherical.