CN217207645U

CN217207645U - Portable multi-stage gear transmission

Info

Publication number: CN217207645U
Application number: CN202220064608.0U
Authority: CN
Inventors: 林玲龙
Original assignee: Zhejiang Super Intelligent Control Technology Co ltd
Current assignee: Zhejiang Super Intelligent Control Technology Co ltd
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-08-16
Anticipated expiration: 2032-01-10

Abstract

The utility model discloses a portable multi-stage gear transmission relates to gearbox technical field, including multi-stage gear transmission, multi-stage gear transmission's bottom fixed mounting has the installation base, and one side movable mounting of installation base has the promotion handrail, and the inside fixed mounting of installation base has the battery, and the movable groove has been seted up to the bottom of = the installation base, and the inside fixed mounting in movable groove has a fixed block, and one side fixed mounting of fixed block has an electric telescopic handle. The utility model discloses a convenient removal and automatic fixed to multi-stage gear gearbox to when making multi-stage gear gearbox can conveniently remove, the function also can not rock at will more stably, and realized the expansion of installation base with the ground contact surface, thereby more stable when making multi-stage gear gearbox function, prevent that the universal wheel from receiving the striking and leading to multi-stage gear gearbox to rotate at will.

Description

Portable multi-stage gear transmission

Technical Field

The utility model relates to a gearbox technical field specifically is a portable multi-stage gear gearbox.

Background

The speed variator is a mechanism for changing the speed and torque of engine, it can change the transmission ratio of output shaft and input shaft by fixing or stepping, and is also called speed variator. When the gearbox is used for a larger device, the gearbox is correspondingly larger in size, and the gearbox with large size is quite inconvenient to move and inconvenient to use.

The existing multistage gear transmission needs manual carrying, cannot move freely, and is easy to fix and unstable during operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable multi-stage gear transmission has possessed the convenient removal and the automatic fixed effect to multi-stage gear transmission, has solved the problem of the technique that proposes among the above-mentioned background art.

To achieve the above object, the present invention provides a portable multi-stage gearbox, comprising a multi-stage gearbox, wherein a mounting base is fixedly mounted at the bottom of the multi-stage gearbox, a push handrail is movably mounted at one side of the mounting base, a storage battery is fixedly mounted inside the mounting base, a movable groove is formed at the bottom of the mounting base, a fixed block is fixedly mounted inside the movable groove, a first electric telescopic rod is fixedly mounted at one side of the fixed block, a first connecting block is fixedly mounted at the output end of the first electric telescopic rod, a first telescopic linkage rod is movably mounted at the bottom of the first connecting block, a first connecting seat is movably mounted at one end of the first telescopic linkage rod, a first containing box is fixedly mounted at one side of the first connecting seat, and a second electric telescopic rod is fixedly mounted at the other side of the fixed block, the output end of the second electric telescopic rod is fixedly provided with a second connecting block, the bottom of the second connecting block is movably provided with a second telescopic linkage rod, one end of the second telescopic linkage rod is movably provided with a second connecting seat, one side of the second connecting seat is fixedly provided with a second containing box, one side of the second containing box is fixedly provided with a positioning clamping plate, and one side of the positioning clamping plate is movably provided with a universal wheel

Optionally, the first connecting block is connected with the first telescopic linkage rod in a rotating manner, and the first telescopic linkage rod is connected with the first connecting seat in a rotating manner through a pin.

Optionally, the second connecting block is connected with the second telescopic linkage rod in a rotating mode, the second telescopic linkage rod is connected with the second connecting seat in a rotating mode through a pin, and the positioning clamping plate is connected with the universal wheel in a clamping mode.

Optionally, a limiting clamping block is fixedly mounted at the top of the second storage box, a motor is fixedly mounted inside the second storage box, a first threaded rod is fixedly mounted at the output end of the motor, a second threaded rod is fixedly mounted at one end of the first threaded rod, a first moving block is movably mounted at the outer side of the first threaded rod, a first connecting rod is movably mounted at the bottom of the first moving block, a second moving block is movably mounted at the outer side of the second threaded rod, a second connecting rod is movably mounted at the bottom of the second moving block, and an anti-skid plate is movably mounted at the bottom of the second connecting rod.

Optionally, the limiting clamping block is in a cross shape, and the screwing directions of the first threaded rod and the second threaded rod are opposite.

Optionally, the first threaded rod is connected with the first moving block through a thread, the first moving block is rotationally connected with the first connecting rod through a pin, the second threaded rod is connected with the second moving block through a thread, and the second moving block is connected with the second connecting rod through a pin.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a first electric telescopic handle and second electric telescopic handle's function has realized convenient removal and automation to multistage gear change case and has fixed to when making multistage gear change case conveniently remove, the function also can be more stable can not rock at will.

Two, the utility model discloses a function of motor has realized the expansion of installation base with the ground contact surface to it is more stable when making the function of multi-stage gear transmission, prevents that the universal wheel from receiving the striking and leading to multi-stage gear transmission to rotate at will.

Drawings

FIG. 1 is an overall view of the structure of the present invention;

FIG. 2 is a schematic view of the interior of the mounting base of the structure of the present invention;

FIG. 3 is a schematic view of a first telescopic linkage rod of the structure of the present invention;

FIG. 4 is a schematic view of a positioning clip plate of the structure of the present invention;

fig. 5 is a schematic view of a first threaded rod according to the present invention.

In the figure: 1 multi-stage gear transmission case, 2 installation bases, 3 fixed blocks, 4 first electric telescopic rods, 5 first connecting blocks, 6 first telescopic linkage rods, 7 first connecting seats, 8 first containing boxes, 9 second electric telescopic rods, 10 second connecting blocks, 11 second telescopic linkage rods, 12 second connecting seats, 13 second containing boxes, 14 positioning clamping plates, 15 universal wheels, 16 limiting clamping blocks, 17 motors, 18 first threaded rods, 19 second threaded rods, 20 first moving blocks, 21 first connecting rods, 22 second moving blocks, 23 second connecting rods, 24 anti-skid plates, 25 storage batteries and 26 pushing handrails.

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.

The first embodiment is as follows:

referring to fig. 1 to 5, the embodiment provides a portable multi-stage gearbox, including a multi-stage gearbox 1, a mounting base 2 is fixedly mounted at the bottom of the multi-stage gearbox 1, a pushing handrail 26 is movably mounted at one side of the mounting base 2, the pushing handrail 26 can be freely detached, the multi-stage gearbox 1 is more conveniently moved by the arrangement of the pushing handrail 26, a storage battery 25 is fixedly mounted inside the mounting base 2, a movable groove is formed at the bottom of the mounting base 2, a fixing block 3 is fixedly mounted inside the movable groove, a first electric telescopic rod 4 is fixedly mounted at one side of the fixing block 3, a first connecting block 5 is fixedly mounted at the output end of the first electric telescopic rod 4, a first telescopic linkage rod 6 is movably mounted at the bottom of the first connecting block 5, the first connecting block 5 is rotatably connected with the first telescopic linkage rod 6, one end of the first telescopic linkage rod 6 is movably provided with a first connecting seat 7, the first telescopic linkage rod 6 is rotatably connected with the first connecting seat 7 through a pin, one side of the first connecting seat 7 is fixedly provided with a first containing box 8, the other side of the fixed block 3 is fixedly provided with a second electric telescopic rod 9, the output end of the second electric telescopic rod 9 is fixedly provided with a second connecting block 10, the bottom of the second connecting block 10 is movably provided with a second telescopic linkage rod 11, the second connecting block 10 is rotatably connected with the second telescopic linkage rod 11, one end of the second telescopic linkage rod 11 is movably provided with a second connecting seat 12, the second telescopic linkage rod 11 is rotatably connected with the second connecting seat 12 through a pin, one side of the second connecting seat 12 is fixedly provided with a second containing box 13, one side of the second containing box 13 is fixedly provided with a positioning clamping plate 14, one side of the positioning clamping plate 14 is movably provided with a universal wheel 15, the location cardboard 14 passes through the joint with the universal wheel 15 and is connected, the location cardboard 14 can restrict the rotation of universal wheel 15, prevent rocking at will of universal wheel 15, setting up of universal wheel 15 makes multistage gear transmission 1 remove more convenient, realized convenient removal and automatic fixed to multistage gear transmission 1, thereby when making convenient the removal of multistage gear transmission 1, the function also can not rock at will more stably.

In the second embodiment, on the basis of the above embodiment, another embodiment may specifically be as follows:

a limiting clamping block 16 is fixedly mounted at the top of the second containing box 13, the limiting clamping block 16 is cross-shaped, the limiting clamping block 16 is connected with the mounting base 2 in a sliding manner, the arrangement of the limiting clamping block 16 enables the first containing box 8 and the second containing box 13 to be more stable during movement, the limiting clamping block 16 can connect the first containing box 8 and the second containing box 13 with the mounting base 2 through a cross-shaped structure, the first containing box 8 and the second containing box 13 cannot fall off easily, a motor 17 is fixedly mounted inside the second containing box 13, a first threaded rod 18 is fixedly mounted at the output end of the motor 17, a second threaded rod 19 is fixedly mounted at one end of the first threaded rod 18, the screw thread turning directions of the first threaded rod 18 and the second threaded rod 19 are opposite, when the first threaded rod 18 and the second threaded rod 19 rotate simultaneously through opposite screw thread turning directions, the moving directions of the first moving block 20 and the second moving block 22 are opposite, a first moving block 20 is movably mounted on the outer side of the first threaded rod 18, a first connecting rod 21 is movably mounted at the bottom of the first moving block 20, the first threaded rod 18 is connected with the first moving block 20 through threads, the first moving block 20 is rotatably connected with the first connecting rod 21 through a pin, a second moving block 22 is movably mounted on the outer side of the second threaded rod 19, a second connecting rod 23 is movably mounted at the bottom of the second moving block 22, the second threaded rod 19 is connected with the second moving block 22 through threads, the second moving block 22 is connected with the second connecting rod 23 through a pin, an anti-skid plate 24 is movably mounted at the bottom of the second connecting rod 23, silica gel anti-skid lines are arranged at the bottom of the anti-skid plate 24, the friction force between the antiskid plate 24 and the ground contact surface is increased through the arrangement of the silica gel antiskid grains, therefore, the multistage gear transmission case 1 is more stable in operation, and the universal wheels 15 are prevented from being impacted to cause the multistage gear transmission case 1 to rotate randomly.

The working principle is as follows: when the storage battery 25 starts to operate, the storage battery 25 drives the first electric telescopic rod 4 to operate, when the first electric telescopic rod 4 extends forwards, the first connecting block 5 is driven to move rightwards, the first connecting block 5 drives the first bottom telescopic linkage rod 6 to move rightwards, the first telescopic linkage rod 6 extends rightwards, the first telescopic linkage rod 6 drives the first connecting seat 7 to move rightwards, the first connecting seat 7 drives the first containing box 8 to move rightwards, meanwhile, the storage battery 25 drives the second electric telescopic rod 9 to operate, the second electric telescopic rod 9 operates to drive the second connecting block 10 to move leftwards, the second connecting block 10 drives the second telescopic linkage rod 11 to move leftwards, the second telescopic linkage rod 11 extends leftwards, the second telescopic linkage rod 11 drives the second connecting seat 12 to move leftwards, the second connecting seat 12 drives the second containing box 13 to move leftwards, and when the first containing box 8 and the second containing box 13 move simultaneously, drive the direction removal of location cardboard 14 to universal wheel 15, location cardboard 14 carries out the joint with universal wheel 15, fixes universal wheel 15, has realized convenient removal and automation to multi-stage gear transmission 1 and has fixed to when making multi-stage gear transmission 1 can conveniently remove, the function also can not rock at will more stably.

When the motor 17 starts to operate, the motor 17 drives the first threaded rod 18 and the second threaded rod 19 to rotate, when the first threaded rod 18 rotates, the first threaded rod is meshed with the first moving block 20 on the outer side and drives the first moving block 20 to move rightwards, the first moving block 20 drives one end of the first connecting rod 21 to move rightwards, the other end of the first connecting rod 21 pushes the anti-skid plate 24 to move downwards, when the second threaded rod 19 rotates, the second threaded rod is meshed with the second moving block 22 on the outer side and drives the second moving block 22 to move leftwards, the second moving block 22 drives one end of the second connecting rod 23 to move leftwards, the other end of the second connecting rod 23 pushes the anti-skid plate 24 to move downwards, and therefore the contact surface between the mounting base 2 and the ground is enlarged, thereby making the operation of the multiple-stage gearbox 1 more stable and preventing the universal wheels 15 from being hit and causing the multiple-stage gearbox 1 to rotate at will.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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

1. A portable multiple-speed gearbox comprising a multiple-speed gearbox (1), characterized in that: the bottom of the multistage gear transmission (1) is fixedly provided with an installation base (2), one side of the installation base (2) is movably provided with a push handrail (26), the inside of the installation base (2) is fixedly provided with a storage battery (25), the bottom of the installation base (2) is provided with a movable groove, the inside of the movable groove is fixedly provided with a fixed block (3), one side of the fixed block (3) is fixedly provided with a first electric telescopic rod (4), the output end of the first electric telescopic rod (4) is fixedly provided with a first connecting block (5), the bottom of the first connecting block (5) is movably provided with a first telescopic linkage rod (6), one end of the first telescopic linkage rod (6) is movably provided with a first connecting seat (7), one side of the first connecting seat (7) is fixedly provided with a first containing box (8), the opposite side fixed mounting of fixed block (3) has second electric telescopic handle (9), the output fixed mounting of second electric telescopic handle (9) has second connecting block (10), the bottom movable mounting of second connecting block (10) has the flexible gangbar of second (11), the one end movable mounting of the flexible gangbar of second (11) has second connecting seat (12), one side fixed mounting of second connecting seat (12) has second containing box (13), one side fixed mounting of second containing box (13) has location cardboard (14), one side movable mounting of location cardboard (14) has universal wheel (15).

2. The portable multiple speed gear box of claim 1, wherein: the first connecting block (5) is connected with the first telescopic linkage rod (6) in a rotating mode, and the first telescopic linkage rod (6) is connected with the first connecting seat (7) in a rotating mode through a pin.

3. The portable multiple speed gear box of claim 1, wherein: the second connecting block (10) is connected with a second telescopic linkage rod (11) in a rotating mode, the second telescopic linkage rod (11) is connected with a second connecting seat (12) in a rotating mode through a pin, and the positioning clamping plate (14) is connected with the universal wheel (15) in a clamping mode.

4. The portable multiple speed gear box of claim 1, wherein: the top fixed mounting of second containing box (13) has spacing fixture block (16), the inside fixed mounting of second containing box (13) has motor (17), the output fixed mounting of motor (17) has first threaded rod (18), the one end fixed mounting of first threaded rod (18) has second threaded rod (19), the outside movable mounting of first threaded rod (18) has first movable block (20), the bottom movable mounting of first movable block (20) has first connecting rod (21), the outside movable mounting of second threaded rod (19) has second movable block (22), the bottom movable mounting of second movable block (22) has second connecting rod (23), the bottom movable mounting of second connecting rod (23) has antiskid ribbed tile (24).

5. The portable multiple speed gear box of claim 4, wherein: the limiting clamping block (16) is in a cross shape, and the screw thread turning directions of the first threaded rod (18) and the second threaded rod (19) are opposite.

6. The portable multiple speed gear box of claim 4 or 5, wherein: the first threaded rod (18) is connected with the first moving block (20) through threads, the first moving block (20) is rotatably connected with the first connecting rod (21) through a pin, the second threaded rod (19) is connected with the second moving block (22) through threads, and the second moving block (22) is connected with the second connecting rod (23) through a pin.