CN212105702U

CN212105702U - Foldable castor ladder vehicle

Info

Publication number: CN212105702U
Application number: CN201922407551.0U
Authority: CN
Inventors: 不公告发明人
Original assignee: Qian Xiaorong
Current assignee: Qian Xiaorong
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-12-08
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a collapsible truckle ladder car, including the main ladder body, the bottom of the main ladder body is equipped with the mounting groove, rotate through the pivot in the mounting groove and be connected with the backup pad, one side that the mounting groove was kept away from to the backup pad is rotated and is connected with a plurality of gyro wheels, one side that the gyro wheel was kept away from to the backup pad is rotated and is connected with the thread bush, the thread bush internal thread is inserted and is equipped with the screw rod, the one end of screw rod runs through the inner wall and the fixedly connected with knob of mounting groove, be equipped with the spout on the outer wall of the main ladder body, fixedly connected with slide bar in the spout, L type kelly has been cup jointed in the slide bar, the outer wall. The utility model discloses in through folded cascade moving mechanism's setting, make the folding ladder can utilize the gyro wheel to remove to the transport convenience of folding ladder has been promoted.

Description

Foldable castor ladder vehicle

Technical Field

The utility model relates to a packaging machinery technical field especially relates to collapsible truckle ladder car.

Background

At present, folding ladders are often required to be used in the production and living processes, can be folded at ordinary times, are small in size and convenient to store, and can be unfolded quickly to form a herringbone ladder when in use, so that the folding ladder is widely used in modern society.

But the constitution mechanism of current folding ladder is comparatively simple, does not generally be provided with the truckle on the folding ladder to the transport and the removal of folding ladder.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the folding ladder in the prior art is simple in the mechanism of forming, does not generally set up the truckle on the folding ladder, and the collapsible truckle ladder car that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

collapsible truckle ladder car, including the main ladder body, the bottom of the main ladder body is equipped with the mounting groove, rotate through the pivot in the mounting groove and be connected with the backup pad, one side that the mounting groove was kept away from to the backup pad is rotated and is connected with a plurality of gyro wheels, one side that the gyro wheel was kept away from to the backup pad is rotated and is connected with the thread bush, the thread bush internal thread is inserted and is equipped with the screw rod, the inner wall and the fixedly connected with knob of mounting groove are run through to the one end of screw rod, be equipped with the spout on the outer wall of the main ladder body, fixedly connected with slide bar in the spout, L type kelly has been cup jointed in the slide bar, it.

Preferably, a plurality of fixed blocks are fixedly connected to the outer wall of the threaded sleeve, guide rods are slidably inserted into the fixed blocks, and one ends of the guide rods are fixedly connected with the inner wall of the mounting groove.

Preferably, one end of the screw rod, which is positioned in the threaded sleeve, is fixedly connected with a limiting block.

Preferably, the sliding rod is sleeved with a spring, and two ends of the spring are respectively fixedly connected with the L-shaped clamping rod and the inner wall of the sliding groove.

Preferably, the rotating shaft is sleeved with a torsion spring, and two ends of the torsion spring are respectively and fixedly connected with the supporting plate and the inner wall of the mounting groove.

Preferably, the screw rod is rotatably sleeved with a support sleeve, and one side of the support sleeve is fixedly connected with the inner wall of the mounting groove.

Has the advantages that:

1. when the folding ladder needs to be moved, the knob is firstly rotated to drive the screw rod to rotate, so that the support plate is driven to rotate through the threaded sleeve, and the support plate is moved out of the mounting groove, so that the roller is moved out of the mounting groove, a user can conveniently move the folding ladder, then the knob is fixed through the L-shaped clamping rod, and meanwhile, the spring can play a certain elastic support for the L-shaped clamping rod;

2. the stopper can prevent that the screw rod from droing in the thread bush simultaneously, and the guide arm can effectively prevent rocking of thread bush, and torque spring can play certain torsion to the backup pad and support simultaneously.

Drawings

Fig. 1 is a schematic structural view of a foldable caster ladder vehicle provided by the present invention;

FIG. 2 is a schematic side view of the thread bushing of the foldable caster ladder of the present invention;

fig. 3 is a schematic structural view of a portion a of fig. 1.

In the figure: the device comprises a main ladder body 1, a rotating shaft 2, a supporting plate 3, rollers 4, a thread sleeve 5, a screw rod 6, a knob 7, a sliding rod 8, a clamping rod 9L, a fixing block 10, a guide rod 11, a limiting block 12, a spring 13 and a supporting sleeve 14.

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.

Referring to fig. 1-3, the foldable truckle ladder car comprises a main ladder body 1, wherein the bottom of the main ladder body 1 is provided with a mounting groove, a support plate 3 is rotatably connected in the mounting groove through a rotating shaft 2, is used for supporting the idler wheels 4, one side of the supporting plate 3 far away from the mounting groove is rotationally connected with a plurality of idler wheels 4, the folding ladder is convenient to move, one side of the supporting plate 3 far away from the idler wheels 4 is rotationally connected with a threaded sleeve 5, used for supporting the supporting plate 3, a screw rod 6 is inserted in the internal thread of the thread bush 5 and used for driving the thread bush 5 to move, one end of the screw rod 6 penetrates through the inner wall of the mounting groove and is fixedly connected with a knob 7, used for driving the screw rod 6 to rotate, the outer wall of the main ladder body 1 is provided with a sliding chute, a sliding rod 8 is fixedly connected in the sliding chute, an L-shaped clamping rod 9 is sleeved on the sliding rod 8 in a sliding way, the fixing device is used for fixing the knob 7, and a plurality of clamping grooves corresponding to the L-shaped clamping rods 9 are arranged on the outer wall of the knob 7 in an encircling manner.

In this embodiment, a plurality of fixed blocks 10 of fixedly connected with on the outer wall of thread bush 5, be used for supporting thread bush 5, it is equipped with guide arm 11 to slide to insert on fixed block 10, the inner wall fixed connection of the one end of guide arm 11 and mounting groove, screw rod 6 is located one end fixedly connected with stopper 12 of thread bush 5, prevent that screw rod 6 from droing in thread bush 5, the cover is equipped with spring 13 on slide bar 8, spring 13's both ends respectively with L type kelly 9 and spout inner wall fixed connection, play certain elastic support to L type kelly 9, the cover is equipped with torque spring on pivot 2, torque spring's both ends respectively with backup pad 3 and mounting groove inner wall fixed connection, play certain torque to backup pad 3 and support, it cup joints support cover 14 to rotate on screw rod 6, support one side of cover 14 and the inner wall fixed connection of mounting groove, prevent that screw rod 6.

In this embodiment, when needs remove folding ladder, it drives screw rod 6 and rotates to rotate knob 7 earlier, thereby drive backup pad 3 through thread bush 5 and rotate, shift out backup pad 3 from the mounting groove, thereby time gyro wheel 4 shifts out the mounting groove, the person of facilitating the use removes, then utilize L type kelly 9 to fix knob 7, spring 13 can play certain elastic support to L type kelly 9 simultaneously, stopper 12 can prevent that screw rod 6 from droing in the thread bush 5 simultaneously, guide arm 11 can prevent effectively rocking of thread bush 5, torque spring can play certain torsion to backup pad 3 simultaneously and support.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Collapsible truckle ladder car, including main ladder body (1), its characterized in that: the bottom of the main ladder body (1) is equipped with the mounting groove, rotate through pivot (2) in the mounting groove and be connected with backup pad (3), one side that the mounting groove was kept away from in backup pad (3) is rotated and is connected with a plurality of gyro wheels (4), one side that gyro wheel (4) were kept away from in backup pad (3) is rotated and is connected with thread bush (5), thread bush (5) internal thread is inserted and is equipped with screw rod (6), the one end of screw rod (6) runs through inner wall and fixedly connected with knob (7) of mounting groove, be equipped with the spout on the outer wall of the main ladder body (1), fixedly connected with slide bar (8) in the spout, L type kelly (9) have been cup jointed in the slip on slide bar (8), around being equipped with a plurality of draw-in grooves that correspond with L type kelly.

2. The collapsible caster ladder vehicle of claim 1, wherein: fixedly connected with a plurality of fixed blocks (10) on the outer wall of thread bush (5), sliding on fixed block (10) is inserted and is equipped with guide arm (11), the one end of guide arm (11) and the inner wall fixed connection of mounting groove.

3. The collapsible caster ladder vehicle of claim 1, wherein: and one end of the screw rod (6) positioned in the thread sleeve (5) is fixedly connected with a limiting block (12).

4. The collapsible caster ladder vehicle of claim 1, wherein: the sliding rod (8) is sleeved with a spring (13), and two ends of the spring (13) are fixedly connected with the L-shaped clamping rod (9) and the inner wall of the sliding groove respectively.

5. The collapsible caster ladder vehicle of claim 1, wherein: the rotating shaft (2) is sleeved with a torsion spring, and two ends of the torsion spring are fixedly connected with the supporting plate (3) and the inner wall of the mounting groove respectively.

6. The collapsible caster ladder vehicle of claim 1, wherein: the screw rod (6) is rotatably sleeved with a support sleeve (14), and one side of the support sleeve (14) is fixedly connected with the inner wall of the mounting groove.