CN218750966U

CN218750966U - Transmission tool car with moving direction convenient to adjust

Info

Publication number: CN218750966U
Application number: CN202222457445.5U
Authority: CN
Inventors: 蒋金龙; 蒋玉阁; 卢瑛; 高军
Original assignee: Qingdao Jinhuayang Industry And Trade Co ltd
Current assignee: Qingdao Jinhuayang Industry And Trade Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-03-28
Anticipated expiration: 2032-09-16

Abstract

The utility model discloses a direction of movement is convenient for adjust transmission tool car relates to transmission tool car technical field. The turning device comprises a turning flat plate, wherein a first mounting block is arranged at the bottom of the rear end of the turning flat plate, the inner wall of the first mounting block is rotatably connected with a rear driving shaft through a bearing, two ends of the rear driving shaft are fixedly connected with rear wheels, the bottom of the front end of the turning flat plate is rotatably connected with a second mounting block through a bearing, the inner wall of the second mounting block is fixedly connected with a front driving shaft, and two ends of the front driving shaft are rotatably connected with front wheels through bearings; the reversing mechanism is used for driving the front driving shaft to rotate by taking the second mounting block as a shaft, the driving mechanism comprises an intermediate shaft, the intermediate shaft is in transmission connection with the driving shaft, the two ends of the driving shaft are fixedly connected with crank handles, and the intermediate shaft is in transmission connection with the rear driving shaft. The utility model discloses the driving tool car drives the dolly through setting up actuating mechanism and removes to through making crank clockwise rotation or anticlockwise rotation, just can realize advancing and retreating of dolly.

Description

Transmission tool car with moving direction convenient to adjust

Technical Field

The utility model relates to a transmission tool car technical field, concretely relates to transmission tool car that moving direction is convenient for adjust.

Background

The tool car is a transportation tool, and the appearance of the tool car brings great convenience to work. CN202624557U discloses a lever-type shakes and swings transmission car, this lever-type shakes and swings transmission car, including handrail, handrail connecting rod, montant, the car is dull and stereotyped, gear wheel, pinion, front wheel and rear wheel, the handrail is fixed on the handrail connecting rod, and the handrail connecting rod passes through hinge and montant swing joint, and the montant is fixed on the dull and stereotyped upper plane of car, and the connecting rod is connected with the hinge for the handrail connecting rod, and the one end of connecting rod is connected with the connecting rod pin hub on the gear wheel, and gear wheel and pinion mesh mutually, and the pinion passes through the front wheel axletree and is connected its characterized in that with two front wheels: the bearing is arranged in the center hole of the large gear, the bearing is fixed at one end of the large gear fixing shaft, the other end of the large gear fixing shaft is fixed on the large gear supporting frame, and the large gear supporting frame is fixed on the vehicle flat plate.

The technical scheme of the prior art also has the following technical problems:

1) Only the trolley can be driven to move, but the moving direction of the trolley cannot be adjusted, namely the trolley cannot change the direction, and the reversing requirement cannot be met;

2) The connecting position of the connecting rod and the bull gear is located at the non-central position of the bull gear, when the connecting position of the connecting rod and the bull gear is located at the highest point and the lowest point, the bull gear can be kept to rotate continuously only by means of inertia, and the driving mode is difficult to control; and if the bull gear is driven to rotate slowly, the bull gear cannot be guaranteed to rotate continuously and smoothly due to small inertia.

It can be seen that the prior art is subject to further improvement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a direction of movement is convenient for adjust transmission tool car, it has solved following main technical problem:

only the trolley can be driven to move, but the moving direction of the trolley cannot be adjusted, namely the trolley cannot change the direction, and the reversing requirement cannot be met; when the connecting position of the connecting rod and the bull gear is at the highest point and the lowest point, the constant rotation of the bull gear can be maintained only by means of inertia, and the driving mode is difficult to control; and if the bull gear is driven to rotate slowly, the continuous and smooth rotation of the bull gear cannot be ensured due to small inertia.

In order to solve the technical problem, the utility model adopts the following technical scheme:

a transmission tool cart with a convenient-to-adjust moving direction comprises a cart flat plate, wherein a first mounting block is arranged at the bottom of the rear end of the cart flat plate, the inner wall of the first mounting block is rotatably connected with a rear driving shaft through a bearing, two ends of the rear driving shaft are fixedly connected with rear wheels, the bottom of the front end of the cart flat plate is rotatably connected with a second mounting block through a bearing, the inner wall of the second mounting block is fixedly connected with a front driving shaft, and two ends of the front driving shaft are rotatably connected with front wheels through bearings;

further comprising:

and the reversing mechanism is used for driving the front driving shaft to rotate by taking the second mounting block as a shaft.

Further, the rear-drive shaft assembly further comprises a driving mechanism, and the driving mechanism is used for driving the rear-drive shaft to rotate.

Furthermore, the driving mechanism comprises an intermediate shaft, the intermediate shaft is in transmission connection with the driving shaft, the two ends of the driving shaft are fixedly connected with the crank, and the intermediate shaft is in transmission connection with the rear driving shaft.

Furthermore, two ends of the driving shaft are rotatably connected with a supporting cylinder through bearings, and the bottom end of the supporting cylinder is connected with the vehicle flat plate through bolts; one end of the middle shaft is rotatably connected with the U-shaped support through a bearing, and the top end of the U-shaped support is fixedly connected with the vehicle flat plate.

Furthermore, reversing mechanism includes the drive block, the drive block bottom is rotated through the bearing and is connected L shape and transfers to the pole, L shape is transferred to pole one end and is passed through the bearing and rotate connecting pin axle, round pin axle bottom welded connection front-drive axle, drive block bottom sliding connection vehicle is dull and stereotyped.

Furthermore, a through hole for the L-shaped steering rod to move is formed in the vehicle flat plate, and sliding chutes for the driving block to slide are formed in two sides of the through hole.

Furthermore, the driving shaft is provided with a chain wheel, the intermediate shaft is provided with two chain wheels, the rear drive shaft is provided with a chain wheel, the chain wheel on the driving shaft is connected with one of the chain wheels on the intermediate shaft through chain transmission, and the other chain wheel on the intermediate shaft is connected with the chain wheel on the rear drive shaft through chain transmission.

Furthermore, install the belt pulley on the driving shaft, install two belt pulleys on the jackshaft, install the belt pulley on the back-drive axle, the belt pulley on the driving shaft with one of them belt pulley passes through belt drive and connects on the jackshaft, another belt pulley on the jackshaft passes through belt drive and connects with the epaxial belt pulley of back-drive.

Compared with the prior art, the utility model discloses following beneficial technological effect has been brought:

(1) The trolley is driven to move by arranging the driving mechanism, and the trolley can move forwards and backwards by rotating the crank clockwise or anticlockwise;

(2) By arranging the reversing mechanism, the moving direction of the trolley is controlled by utilizing the two feet, the moving direction adjustment of the trolley is realized, the two front wheels are synchronously driven in the same direction to change the direction, the direction adjustment mode of the trolley is simple, and the operation is convenient; the hand and the foot are used for realizing the movement and the reversing of the trolley;

(3) Through setting up a supporting cylinder, can not expose to the drive assembly (sprocket and chain, or belt and belt pulley) of transmission connection driving shaft and countershaft, it is safer to use.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

fig. 1 is a schematic structural view of the transmission tool vehicle of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a partial top view of FIG. 1;

FIG. 4 is a top view of the bed;

in the figure:

1. the device comprises a vehicle flat plate, 11, a first mounting block, 12, a second mounting block, 13, a sliding groove, 14, a through hole, 15, a through hole, 16, a mounting seat, 2, a rear wheel, 21, a rear driving shaft, 3, a front wheel, 31, a front driving shaft, 4, a driving mechanism, 40, a supporting cylinder, 41, a driving shaft, 42, a crank, 43, an intermediate shaft, 44, a U-shaped support, 5, a reversing mechanism, 51, a driving block, 52, an L-shaped steering rod, 53, a pin shaft, 7, a seat, 71, a supporting rod, 8 and a bearing.

Detailed Description

The utility model provides a direction of movement is convenient for adjust's transmission tool car, in order to make the utility model discloses an advantage, technical scheme are clearer, more clear and definite, and it is right to combine specific embodiment below the utility model discloses do further explanation.

The utility model provides a transmission tool car convenient for adjusting the moving direction, please refer to fig. 1-4, including the vehicle flat plate 1, the vehicle flat plate 1 is provided with a chute 13 and a through hole 14, the bottom of the rear end of the vehicle flat plate 1 is provided with a first mounting block 11, the inner wall of the first mounting block 11 is connected with a rear drive shaft 21 through the rotation of a bearing, both ends of the rear drive shaft 21 are fixedly connected with rear wheels 2, the bottom of the front end of the vehicle flat plate 1 is connected with a second mounting block 12 through the rotation of a bearing 8, the bottom of the front end of the vehicle flat plate 1 is provided with a bearing mounting groove for mounting the bearing 8, the inner wall of the second mounting block 12 is fixedly connected with a front drive shaft 31, both ends of the front drive shaft 31 are connected with front wheels 3 through the rotation of a bearing; further comprising:

the reversing mechanism 5 is used for driving the front driving shaft 31 to rotate by taking the second mounting block 12 as a shaft; and the reversing mechanism 5 is provided with two groups, two feet respectively step on the two driving blocks 51 to respectively drive the two ends of the front driving shaft 31 to rotate.

The driving mechanism 4 is used for driving the rear drive shaft 21 to rotate, the driving mechanism 4 comprises an intermediate shaft 43, the intermediate shaft 43 is in transmission connection with the driving shaft 41, the intermediate shaft 43 and the driving shaft 41 can be in transmission connection with a belt pulley through a belt and can also be in transmission connection with a chain wheel through a chain, two ends of the driving shaft 41 are fixedly connected with crank handles 42, the intermediate shaft 43 is in transmission connection with the rear drive shaft 21, the intermediate shaft 43 and the rear drive shaft 21 can be in transmission connection with the belt pulley through the belt and can also be in transmission connection with the chain wheel through the chain, two ends of the driving shaft 41 are rotatably connected with the supporting cylinder 40 through bearings, the supporting cylinder 40 is of a hollow structure with openings at the upper end and the lower end, and the bottom end of the supporting cylinder 40 is connected with the vehicle flat plate 1 through a bolt; one end of the intermediate shaft 43 is rotatably connected with the U-shaped bracket 44 through a bearing, and the top end of the U-shaped bracket 44 is fixedly connected with the vehicle flat plate 1.

The reversing mechanism 5 comprises a driving block 51, the bottom end of the driving block 51 is rotatably connected with an L-shaped steering rod 52 through a bearing, one end of the L-shaped steering rod 52 is rotatably connected with a pin shaft 53 through a bearing, the bottom end of the pin shaft 53 is welded and connected with a front driving shaft 31, the bottom end of the driving block 51 is slidably connected with the flat vehicle plate 1, a through hole 14 for the L-shaped steering rod 52 to move is formed in the flat vehicle plate 1, sliding grooves 13 for the driving block 51 to slide are formed in two sides of the through hole 14, and sliding blocks (not shown in the figure) which are slidably connected with the inner wall of the sliding grooves 13 are integrally formed at the bottom of the driving block 51; and each drive block 51 bottom is provided with two sliders, respectively with two spout 13 inner wall sliding connection to make the sliding movement of drive block 51 more smooth and stable.

The flat vehicle plate 1 is provided with a through hole 15 for a chain or a belt of the driving shaft 41 and the intermediate shaft 43 to pass through; the top end of the vehicle flat plate 1 is integrally provided with an installation seat 16, the bottom of the supporting rod 71 and the installation seat 16 are both provided with transverse internal threaded holes, the installation seat 16 is connected with the supporting rod 71 through a bolt, and the top end of the supporting rod 71 is fixedly connected with a seat 7; the periphery of the through hole 15 is provided with an internal thread hole for mounting the support cylinder 40 on the bed 1 with a bolt.

A chain wheel is arranged on the driving shaft 41, two chain wheels are arranged on the intermediate shaft 43, a chain wheel is arranged on the rear drive shaft 21, the chain wheel on the driving shaft 41 is in transmission connection with one of the chain wheels on the intermediate shaft 43 through a chain, and the other chain wheel on the intermediate shaft 43 is in transmission connection with the chain wheel on the rear drive shaft 21 through a chain;

when the bicycle is used specifically, a person sits on the seat 7, two feet step on the driving blocks 51 in the two groups of reversing mechanisms 5 respectively, two hands can drive the two cranks 42 to rotate respectively, the cranks 42 drive the driving shaft 41 to rotate, the driving shaft 41 (chain wheels and chains) drive the intermediate shaft 43 to rotate, the intermediate shaft 43 (chain wheels and chains) drive the rear driving shaft 21 to rotate, and therefore the rear wheel 2 is driven to rotate; during the movement of the trolley, the foot drives the driving block 51 to move, so that the L-shaped steering rod 52 drives the front driving shaft 31 to rotate around the second mounting block 12, thereby changing the direction of the front wheels 3 and completing the reversing.

The driving shaft 41 is provided with a belt pulley, the intermediate shaft 43 is provided with two belt pulleys, the rear drive shaft 21 is provided with a belt pulley, the belt pulley on the driving shaft 41 is in transmission connection with one belt pulley on the intermediate shaft 43 through a belt, and the other belt pulley on the intermediate shaft 43 is in transmission connection with the belt pulley on the rear drive shaft 21 through a belt;

when the bicycle is used specifically, a person sits on the seat 7, two feet step on the driving blocks 51 in the two groups of reversing mechanisms 5 respectively, two hands can drive the two cranks 42 to rotate respectively, the cranks 42 drive the driving shaft 41 to rotate, the driving shaft 41 drives the intermediate shaft 43 to rotate (through a belt and a belt pulley), the intermediate shaft 43 drives the rear driving shaft 21 to rotate (through the belt and the belt pulley), and therefore the rear wheel 2 is driven to rotate and move; during the movement of the trolley, the foot drives the driving block 51 to move, so that the L-shaped steering rod 52 drives the front driving shaft 31 to rotate around the second mounting block 12, thereby changing the direction of the front wheels 3 and completing the reversing.

The parts not mentioned in the utility model can be realized by adopting or using the prior art for reference.

Although terms such as vehicle platform 1, first mounting block 11, second mounting block 12, runner 13, etc. are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

It is further understood that the specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a direction of movement is convenient for transmission tool car of adjusting, includes the vehicle flat board (1), vehicle flat board (1) rear end bottom is equipped with first installation piece (11), first installation piece (11) inner wall rotates through the bearing and connects rear wheel (21), rear wheel (2) are all fixed connection at rear wheel (21) both ends, its characterized in that:

the bottom of the front end of the vehicle flat plate (1) is rotatably connected with a second mounting block (12) through a bearing (8), the inner wall of the second mounting block (12) is fixedly connected with a front driving shaft (31), and two ends of the front driving shaft (31) are rotatably connected with front wheels (3) through bearings;

further comprising:

the reversing mechanism (5) is used for driving the front driving shaft (31) to rotate by taking the second mounting block (12) as a shaft.

2. A tool-driven vehicle with easy-to-adjust moving direction as claimed in claim 1, further comprising a driving mechanism (4), wherein the driving mechanism (4) is used for driving the rear-drive shaft (21) to rotate.

3. A transmission tool cart with easy adjustment of moving direction according to claim 2, characterized in that said driving mechanism (4) comprises an intermediate shaft (43), said intermediate shaft (43) is drivingly connected with a driving shaft (41), both ends of said driving shaft (41) are fixedly connected with a crank handle (42), said intermediate shaft (43) is drivingly connected with said rear driving shaft (21).

4. The transmission tool vehicle with the conveniently adjusted moving direction as claimed in claim 3, wherein both ends of the driving shaft (41) are rotatably connected with the supporting cylinder (40) through bearings, and the bottom end of the supporting cylinder (40) is connected with the vehicle flat plate (1) through a bolt; one end of the intermediate shaft (43) is rotatably connected with the U-shaped support (44) through a bearing, and the top end of the U-shaped support (44) is fixedly connected with the vehicle flat plate (1).

5. The transmission tool vehicle with the conveniently adjusted moving direction as claimed in claim 1, wherein the reversing mechanism (5) comprises a driving block (51), the bottom end of the driving block (51) is rotatably connected with an L-shaped steering rod (52) through a bearing, one end of the L-shaped steering rod (52) is rotatably connected with a pin shaft (53) through a bearing, the bottom end of the pin shaft (53) is connected with the front driving shaft (31) in a welding mode, and the bottom end of the driving block (51) is slidably connected with the vehicle flat plate (1).

6. The transmission tool vehicle with the conveniently adjusted moving direction according to claim 1, characterized in that a through hole (14) for the movement of the L-shaped steering rod (52) is formed in the vehicle flat plate (1), and sliding grooves (13) for the sliding of the driving block (51) are formed in two sides of the through hole (14).

7. A direction of movement adjustable power tool vehicle as claimed in claim 3, wherein the drive shaft (41) has sprockets mounted thereon, the intermediate shaft (43) has two sprockets mounted thereon, the rear drive shaft (21) has sprockets mounted thereon, the sprockets on the drive shaft (41) and one of the sprockets on the intermediate shaft (43) are connected by chain drive, and the other sprocket on the intermediate shaft (43) and the sprocket on the rear drive shaft (21) are connected by chain drive.

8. A direction of movement adjustable power tool carriage as claimed in claim 3, wherein said drive shaft (41) has pulleys mounted thereon, said intermediate shaft (43) has two pulleys mounted thereon, said rear drive shaft (21) has pulleys mounted thereon, said pulleys on said drive shaft (41) and one of said pulleys on said intermediate shaft (43) are in belt drive connection, and the other pulley on said intermediate shaft (43) and one of said pulleys on said rear drive shaft (21) are in belt drive connection.