CN212765704U

CN212765704U - Synchronous belt transmission mechanism of kart

Info

Publication number: CN212765704U
Application number: CN202021316607.8U
Authority: CN
Inventors: 黄杨
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-03-23
Anticipated expiration: 2030-07-07

Abstract

The utility model provides a kart synchronous belt drive mechanism relates to kart spare part technical field, has solved the in-process of kart motion that exists among the prior art, and the technical problem that lubricating grease that chain drive surface was paintd can splash. The device comprises a synchronous belt, a driving belt wheel, a driven belt wheel and a power source, wherein the power source is fixedly arranged on a frame of the kart, an output shaft of the power source is connected with the driving belt wheel, the driven belt wheel is connected with wheels of the kart through a driving shaft, the driving shaft is connected with the frame through a connecting piece, the driving belt wheel is connected with the driven belt wheel through the synchronous belt, the driving belt wheel and the driven belt wheel are in tooth-shaped surfaces, and the surfaces of the driving belt wheel and the driven belt wheel, which are in contact with the synchronous belt, are tooth-shaped surfaces, and the power source can drive the synchronous belt to move and realize. The utility model is used for the kart can move.

Description

Synchronous belt transmission mechanism of kart

Technical Field

The utility model belongs to the technical field of the kart spare part technique and specifically relates to a kart synchronous belt drive mechanism is related to.

Background

Carting car is the translation of KARTING in English, meaning miniature sports car, and carting car sports began to appear in east Europe in 1940, and popularized and developed rapidly in Europe and America until the end of the 50 s of the 20 th century. It is fast spread to the world because of its easy driving, safety and stimulation characteristics. The kart has a very simple structure and comprises a steel pipe type frame, a steering system pedal, an oil tank, a transmission chain shield, a driver seat, an anti-collision bumper and the like. Kart is easy and simple to handle, and the driver wears protective helmet and gloves, only need remember left foot brake, and right foot tank filler door turns to than being 3: 1 to 5: 1, namely, galloping racing field. The kart chassis is very low, is only 4 centimeters from the ground, and the runway is smooth and flat, so that a driver feels wind galloping and roaring, and can feel fun which cannot be realized at ordinary times. Once the kart slides out of the runway, the kart can automatically extinguish and stop advancing, and the kart cannot turn over, so that the safety of a driver is guaranteed.

In the current kart industry, the transmission mechanisms of most of karts are in chain transmission, a power device of the kart is connected with wheels through chains, and the power device drives the chains to move to realize the rotation of the wheels. Meanwhile, the chain transmission needs to be cleaned, maintained and coated with lubricating grease regularly.

The applicant has found that the prior art has at least the following technical problems:

in the prior art, the noise of the chain transmission of the kart is high, and meanwhile, lubricating grease smeared on the surface can splash in the moving process of the kart, so that the environment is badly affected, and the maintenance cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a kart synchronous belt drive mechanism to solve the kart motion's that exists among the prior art in-process, the technical problem that the lubricating grease that chain drive surface was paintd can splash. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

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

the utility model provides a pair of kart synchronous belt drive mechanism, including hold-in range, driving pulley, driven pulley and power supply, wherein, the power supply sets firmly on the frame of kart, the output shaft of power supply with driving pulley is connected, driven pulley with the wheel of kart is connected through the drive shaft, the drive shaft with the frame is connected through the connecting piece, driving pulley with driven pulley passes through the hold-in range is connected, driving pulley with driven pulley both with the face that the hold-in range contacted is the tooth profile, the power supply can drive the hold-in range motion is realized the rotation of wheel.

Optionally, a pulley flange is arranged between the driven pulley and the driving shaft, the pulley flange is connected with the driven pulley through a bolt, and the driving shaft penetrates through an inner ring of the pulley flange and is connected with the inner ring and the driven pulley in a matched manner.

Optionally, the pulley flange includes a fastening wheel and a flange, the fastening wheel is fixedly connected with the flange, the flange passes through the inner ring of the driven pulley and is connected with the driven pulley through a bolt, and the driving shaft passes through the fastening wheel and is connected with the flange and the driving shaft in a matching manner with the fastening wheel.

Optionally, the fastening wheel comprises a first component and a second component, the first component and the second component being connected by a bolt.

Optionally, a connecting key is provided between the inner ring of the pulley flange and the drive shaft.

Optionally, the output shaft of the power source penetrates through the inner ring of the driving pulley and is connected with the inner ring of the driving pulley through a spline, the free end of the output shaft is connected with a limiting piece, and the limiting piece can limit the driving pulley to move towards the axial direction of the output shaft.

Optionally, the connecting piece includes bearing, bearing frame and mounting, the drive shaft passes the inner circle of bearing and both cooperations are connected, the bearing is located the inner circle of bearing frame just the outer lane of bearing with the inner circle cooperation of bearing frame is connected, the mounting sets firmly the frame, the bearing frame with mounting bolted connection.

Optionally, an adjusting component is arranged on the bearing seat, and the adjusting component can change the size of the inner ring of the bearing seat.

Optionally, the drive shaft is connected to the wheels by a connecting assembly, the wheels being located at both ends of the drive shaft.

Optionally, the power source is an electric motor or an internal combustion engine.

The utility model provides a pair of kart synchronous belt drive mechanism, driving pulley and driven pulley are connected through the hold-in range, and the tooth profile on tooth profile face on driving pulley and the driven pulley cooperatees with the hold-in range, and the power supply can drive driving pulley and rotate to drive the hold-in range motion, and then make driven pulley rotate, further make the drive shaft rotate, realize the rotation of wheel at last, the utility model discloses a lubricating grease that the hold-in range need not be paintd just can not have the problem that lubricating grease can splash yet, and the maintenance cost ratio is lower simultaneously, and it is convenient to maintain, in-process with the kart motion that exists among the solution prior art, the technical problem that the lubricating grease that chain drive surface paintd can splash.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a kart synchronous belt transmission mechanism provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a driving shaft of a synchronous belt transmission mechanism of a kart provided by the embodiment of the invention;

fig. 3 is a schematic structural diagram of a driven pulley of a synchronous belt transmission mechanism of a kart according to an embodiment of the present invention;

fig. 4 is an exploded view of a driven pulley of a kart synchronous belt transmission mechanism provided by the embodiment of the present invention;

fig. 5 is a schematic structural diagram of a connecting piece of a synchronous belt transmission mechanism of a kart provided by the embodiment of the invention;

fig. 6 is an exploded view of a connecting member of a kart synchronous belt transmission mechanism provided by the embodiment of the present invention;

in the figure 1, a synchronous belt; 2. a drive pulley; 3. a driven pulley; 4. a power source; 5. a frame; 6. a drive shaft; 7. a wheel; 8. a connecting member; 81. a bearing; 82. a bearing seat; 821. a notch; 822. a threaded hole; 83. a fixing member; 9. a pulley flange; 91. a fastening wheel; 911. a first component; 912. a second component; 92. a flange; 10. a connecting bond; 20. a connecting assembly is provided.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The utility model provides a kart synchronous belt drive mechanism, including hold-in range 1, driving pulley 2, driven pulley 3 and power supply 4, wherein, power supply 4 sets firmly on the frame 5 of kart, the output shaft of power supply 4 is connected with driving pulley 2, driven pulley 3 is connected through drive shaft 6 with the wheel 7 of kart, drive shaft 6 is connected through connecting piece 8 with frame 5, driving pulley 2 and driven pulley 3 are connected through hold-in range 1, the face that driving pulley 2 and driven pulley 3 both contacted with hold-in range 1 is the tooth profile, power supply 4 can drive hold-in range 1 motion and realize the rotation of wheel 7. The utility model provides a synchronous belt transmission mechanism of a kart, a driving belt wheel 2 and a driven belt wheel 3 are connected through a synchronous belt 1, the tooth-shaped surfaces on the driving belt wheel 2 and the driven belt wheel 3 are matched with the tooth shape on the synchronous belt 1, a power source 4 can drive the driving belt wheel 2 to rotate and drive the synchronous belt 1 to move, thereby further rotating the driven belt wheel 3, further rotating the driving shaft 6 and finally realizing the rotation of the wheel 7, the synchronous belt 1 used by the utility model does not need the applied lubricating grease, and the problem that the lubricating grease can splash can not exist, meanwhile, the maintenance cost is low, the maintenance is convenient, the environment is protected, the transmission of the synchronous belt 1 is stable, the synchronous belt has the characteristics of buffering and vibration damping capacity, low noise, no sliding during the work and the like, in order to solve the technical problem that lubricating grease smeared on the surface of a chain transmission can splash in the movement process of the kart in the prior art.

As an alternative embodiment, a pulley flange 9 is arranged between the driven pulley 3 and the driving shaft 6, the pulley flange 9 is connected with the driven pulley 3 through a bolt, and the driving shaft 6 passes through the inner ring of the pulley flange 9 and is connected with the pulley flange and the driving shaft in a matching way.

As an alternative embodiment, the pulley flange 9 includes a fastening wheel 91 and a flange 92, the fastening wheel 91 is fixedly connected with the flange 92, the flange 92 passes through the inner ring of the driven pulley 3 and the flange 92 is connected with the driven pulley 3 through a bolt, the driving shaft 6 passes through the fastening wheel 91 and the flange 92 and the driving shaft 6 is connected with the fastening wheel 91 in a matching way.

As an alternative embodiment, the fastening wheel 91 includes a first assembly 911 and a second assembly 912, and the first assembly 911 and the second assembly 912 are connected by bolts. The cross section of the first component 911 and the cross section of the second component 912 are semicircular structures, through holes are arranged on the first component 911 and the second component 912 in a contact mode, bolts penetrate through the through holes to connect the first component 911 and the second component 912, and the fastening degree of the first component 911 and the second component 912 in clamping the driving shaft 6 can be adjusted by adjusting the positions of the nuts on the bolts.

As an alternative embodiment, a connecting key 10 is provided between the inner ring of the pulley flange 9 and the drive shaft 6. The inner ring of the pulley flange 9 and the driving shaft 6 are provided with key grooves, so that the connecting key 10 is installed in the key grooves, and the connecting key 10 is used for limiting the pulley flange 9 to rotate along the circumferential direction of the driving shaft 6, namely limiting the driven pulley 3 to rotate along the circumferential direction of the driving shaft 6.

As an alternative embodiment, the output shaft of the power source 4 passes through the inner ring of the driving pulley 2 and is connected with the inner ring of the driving pulley 2 through splines, the splines are used for preventing the driving pulley 2 from slipping, the driving pulley 2 does not rotate when the output shaft rotates, a limit member is connected to the free end of the output shaft, and the limit member can limit the driving pulley 2 to move towards the axial direction of the output shaft. The limiting part can be a flange, and can also be a bolt and a gasket.

As an alternative embodiment, the connecting member 8 includes a bearing 81, a bearing seat 82 and a fixing member 83, the driving shaft 6 passes through an inner ring of the bearing 81 and is in fit connection with the inner ring, the inner ring of the bearing 81 is fixedly connected with the driving shaft 6 through a radial mounting jackscrew to prevent a slip phenomenon, so that the inner ring of the bearing 81 and the driving shaft 6 rotate synchronously, the bearing 81 is located at the inner ring of the bearing seat 82 and the outer ring of the bearing 81 is in fit connection with the inner ring of the bearing seat 82, the fixing member 83 is fixedly arranged on the frame 5, the fixing member 83 is sleeved on the bearing seat 82, and the.

As an alternative embodiment, the bearing seat 82 is provided with an adjusting component, which may be a bolt, and the adjusting component can change the size of the inner ring of the bearing seat 82. The bearing seat 82 is provided with a gap 821, the gap 821 is communicated with the inner ring of the bearing seat 82, the two sides of the gap 821 are provided with threaded holes 822, the adjusting component is in threaded connection with the threaded holes 822, the size of the inner ring of the bearing seat 82 can be adjusted by adjusting the adjusting component, and then the bearing seat 82 clamps the fastening degree of the bearing 81.

As an alternative embodiment, the driving shaft 6 is connected with the wheels 7 through the connecting assembly 20, and the wheels 7 are located at both ends of the driving shaft 6.

As an alternative embodiment, the power source 4 may be an electric motor or an internal combustion engine.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A synchronous belt transmission mechanism of a kart is characterized by comprising a synchronous belt (1), a driving belt wheel (2), a driven belt wheel (3) and a power source (4), wherein,

the power source (4) is fixedly arranged on a frame (5) of the kart, an output shaft of the power source (4) is connected with the driving belt wheel (2), the driven belt wheel (3) is connected with wheels (7) of the kart through a driving shaft (6), the driving shaft (6) is connected with the frame (5) through a connecting piece (8), the driving belt wheel (2) is connected with the driven belt wheel (3) through the synchronous belt (1), the driving belt wheel (2) and the driven belt wheel (3) are in tooth-shaped surfaces with the surfaces, contacted with the synchronous belt (1), of the power source (4) can drive the synchronous belt (1) to move and realize the rotation of the wheels (7).

2. The synchronous belt transmission mechanism of the kart according to claim 1, characterized in that a pulley flange (9) is arranged between the driven pulley (3) and the driving shaft (6), the pulley flange (9) is connected with the driven pulley (3) through bolts, and the driving shaft (6) passes through the inner ring of the pulley flange (9) and is connected with the pulley flange and the driven pulley in a matching way.

3. The kart synchronous belt drive mechanism according to claim 2, wherein the pulley flange (9) includes a fastening wheel (91) and a flange (92), the fastening wheel (91) is fixedly connected with the flange (92), the flange (92) passes through an inner ring of the driven pulley (3) and the flange (92) is connected with the driven pulley (3) through a bolt, and the driving shaft (6) passes through the fastening wheel (91) and the flange (92) and the driving shaft (6) is connected with the fastening wheel (91) in a matching manner.

4. The kart synchronous belt drive mechanism of claim 3, wherein the fastening wheel (91) comprises a first component (911) and a second component (912), the first component (911) and the second component (912) being connected by a bolt.

5. Kart synchronous belt drive according to claim 2, characterized in that a connecting key (10) is provided between the inner ring of the pulley flange (9) and the drive shaft (6).

6. The synchronous belt transmission mechanism of a carting car according to claim 1, characterized in that the output shaft of the power source (4) passes through the inner ring of the driving pulley (2) and is connected with the inner ring of the driving pulley by splines, and the free end of the output shaft is connected with a limiting member which can limit the driving pulley (2) to move towards the axial direction of the output shaft.

7. The synchronous belt transmission mechanism of the kart according to claim 1, wherein the connecting piece (8) comprises a bearing (81), a bearing seat (82) and a fixing piece (83), the driving shaft (6) penetrates through an inner ring of the bearing (81) and is connected with the inner ring of the bearing seat (82) in a matching way, the bearing (81) is positioned on an inner ring of the bearing seat (82) and an outer ring of the bearing (81) is connected with the inner ring of the bearing seat (82) in a matching way, the fixing piece (83) is fixedly arranged on the frame (5), and the bearing seat (82) is connected with the fixing piece (83) through bolts.

8. The kart synchronous belt drive mechanism according to claim 7, wherein an adjustment member is provided on the bearing housing (82), the adjustment member being capable of changing the size of the inner race of the bearing housing (82).

9. Kart synchronous belt drive according to claim 1, characterized in that the drive shaft (6) is connected with the wheels (7) by a connection assembly (20), the wheels (7) being located at both ends of the drive shaft (6).

10. A carting car synchronous belt drive as claimed in claim 1, characterised in that the power source (4) is an electric motor or an internal combustion engine.