Stay wire transmission and vehicle

Abstract

The utility model discloses a stay wire transmission and a vehicle, which comprise a shell, a base, a screw rod, a guide rod, a sliding piece, a shift wire and a driver, and the base is arranged in the shell; the screw rod is rotationally assembled on the base; the guide rod is arranged on the base and is parallel to the screw rod; the sliding part is arranged on the lead screw and moves along the lead screw when the lead screw rotates, the sliding part is assembled on the guide rod in a sliding mode, and the shift cable is connected with the sliding part and penetrates through the shell; and the driver is arranged in the shell, is connected with the screw rod and is used for driving the screw rod to rotate. According to the pull wire speed changer, automatic operation of speed changing can be achieved, the situation that manual operation is needed is avoided, riding safety is improved, secondly, compared with the situation of manual operation, lead screw driving precision is higher, and stability and efficiency of gear shifting are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle technical field, specifically, relate to a kind of wire gear and a kind of vehicle. BACKGROUND

[0002] Traditional manual transmission needs rider to pull speed change wire by finger dial, to realize the switching of chain between different gears, this design needs rider to have certain operating skill, for example, rider needs to grasp the timing and the precision of operation of gear shifting, which increases the amount of manual operation of rider in cycling, is not conducive to safe cycling, secondly, in order to avoid the situation that speed change wire is too loose or too tight, rider also needs to carry out regular inspection and maintenance to vehicle, increase unnecessary workload. SUMMARY

[0003] The utility model aims at at least one of the technical problems in the related art.

[0004] Therefore, the utility model embodiment proposes a kind of wire gear, the wire gear can realize the automation operation of gear shifting, avoids the situation needing manual operation, improves the safety of cycling, secondly, compared to the situation of manual operation, the precision of screw rod driving is higher, guarantees the stability and efficiency of gear shifting.

[0005] The utility model embodiment further proposes a kind of vehicle comprising the above-mentioned wire gear.

[0006] The wire gear of the utility model embodiment comprises:

[0007] Shell;

[0008] Base, the base is located in the shell inside;

[0009] Screw rod, the screw rod is rotationally assembled in the base;

[0010] Guide rod, the guide rod is located in the base and is arranged in parallel with the screw rod;

[0011] Sliding member and speed change wire, the sliding member is located in the screw rod and moves along the screw rod when the screw rod rotates, the sliding member is slidingly assembled in the guide rod, the speed change wire is connected with the sliding member and passes through the shell;

[0012] Driver, the driver is located in the shell, and the driver is connected with the screw rod and is used to drive the screw rod to rotate.

[0013] In some embodiments, comprising:

[0014] Support, the support is located between the base and the driver, and the support is connected with the base and the driver.

[0015] A coupling is arranged in the base, and the screw rod and the driving shaft of the driver are connected through the coupling.

[0016] In some embodiments, an inner hole is arranged in the coupling, and the shaft head of the screw rod and the shaft head of the driving shaft are inserted into the inner hole and are rotationally matched with the hole wall of the inner hole.

[0017] In some embodiments, the base is provided with a first bearing at both ends in the extension direction of the screw rod, one end of the screw rod is rotationally assembled into the first bearing at one end of the base, and the other end of the screw rod is rotationally assembled into the first bearing at the other end of the base.

[0018] In some embodiments, the base is provided with an ear at both ends, the ear is provided with an assembly hole, and the first bearing is assembled into the assembly hole.

[0019] In some embodiments, a second bearing is included, the sliding piece is provided with a mounting hole, the second bearing is assembled into the mounting hole, and the guide rod is matched in the second bearing.

[0020] In some embodiments, the shell is provided with a plurality of clamping positions and a plurality of hole positions, and the base and the driver are fixed in the shell through the plurality of clamping positions and the plurality of hole positions.

[0021] In some embodiments, the shell includes a first shell and a second shell, the shell is spliced by the first shell and the second shell, and the base and the driver are arranged in one of the first shell and the second shell.

[0022] And / or, the shell is triangular.

[0023] In some embodiments, the shell is provided with a cylindrical portion, and the variable-speed wire is matched in the cylindrical portion.

[0024] In some embodiments, the screw rod, the guide rod, and the variable-speed wire are arranged in parallel and at intervals, and the guide rod is arranged between the variable-speed wire and the screw rod.

[0025] In some embodiments, a control board is included, the control board is arranged in the shell and is electrically connected with the driver, and the communication line and / or the power line of the control board are led out of the shell.

[0026] The vehicle according to the embodiments of the utility model includes the cable variable speed device in any one of the above embodiments.

[0027] In some embodiments, a frame fork for assembling with the axle of the rear wheel is included, and the shell is assembled in the included angle of the frame fork.

[0028] And / or, the shape of the housing of the cable shift is triangular.

[0029] Beneficial effects: the cable shift and the vehicle of the utility model embodiment can realize the automation operation of the speed change, avoid the manual operation condition, improve the safety of the riding, secondly, compared with the manual operation condition, the precision of the screw rod driving is higher, guarantee the stability and efficiency of the gear shifting. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 It is the whole structure schematic diagram of the cable shift of the utility model embodiment.

[0031] Figure 2 It is Figure 1 The explosion schematic diagram of the cable shift in the middle.

[0032] Figure 3 It is Figure 1 The cross section schematic diagram of the cable shift after assembly in the middle.

[0033] Figure 4 It is the partial structure schematic diagram of the vehicle of the utility model embodiment.

[0034] Reference signs:

[0035] 100-cable shift;

[0036] 1-housing; 2-base; 3-screw rod; 4-guide rod; 5-sliding piece; 6-shifting cable; 7-driver; 8-support; 9-coupling; 10-first bearing; 11-second bearing; 12-ear; 13-detent; 14-hole site; 15-first shell; 16-second shell; 17-control panel; 18-cylindrical part; 19-communication line; 20-power line;

[0037] 200-frame rear fork;

[0038] 300-chain derailleur. DETAILED DESCRIPTION

[0039] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings. The embodiments described below by referring to the drawings are exemplary, and are intended to explain the utility model, and cannot be understood as the limitation of the utility model.

[0040] As Figure 1 And Figure 2 Shown, the cable shift 100 of the utility model embodiment includes housing 1, base 2, screw rod 3, guide rod 4, sliding piece 5, shifting cable 6 and driver 7.

[0041] The shell 1 can be made of plastic, metal, etc. The shell 1 can be divided into two parts, which facilitates the installation of the base 2, the lead screw 3, etc. inside the shell 1.

[0042] The base 2 is arranged in the shell 1. For example, the base 2 can be made of plastic, metal, etc. The base 2 can be integrally formed by injection molding, die casting, sheet metal stamping, etc. The base 2 can be fixed in the shell 1 by clamping, fastening, etc. The base 2 can provide a mounting base for the installation of the lead screw 3, the guide rod 4, etc.

[0043] The lead screw 3 is rotatably arranged on the base 2. For example, the base 2 can extend in the front-rear direction, the lead screw 3 can also extend in the front-rear direction, the rear end of the lead screw 3 can be rotatably arranged with the rear end of the base 2, and the front end of the lead screw 3 can be rotatably arranged with the front end of the base 2, so that the lead screw 3 can rotate freely relative to the base 2 during use.

[0044] The guide rod 4 is arranged on the base 2 and parallel to the lead screw 3. For example, as shown in Figure 2 and Figure 3 , the guide rod 4 can be a round rod, the guide rod 4 can extend in the front-rear direction, and the guide rod 4 can be arranged above the lead screw 3 and spaced apart from the lead screw 3. The rear end of the guide rod 4 can be fixedly connected with the rear end of the base 2, and the front end of the guide rod 4 can be fixedly connected with the front end of the base 2.

[0045] The sliding member 5 is arranged on the lead screw 3 and moves along the lead screw 3 when the lead screw 3 rotates. The sliding member 5 is slidably arranged on the guide rod 4, and the variable speed wire 6 is connected to the sliding member 5 and passes through the shell 1. For example, the sliding member 5 is provided with a threaded hole, the lead screw 3 can be threadedly arranged in the threaded hole, and the sliding member 5 is further provided with a mounting hole, the guide rod 4 can be slidably arranged in the mounting hole. The variable speed wire 6 for driving the gear shift can be directly connected and fixed to the sliding member 5.

[0046] The driver 7 is arranged in the shell 1, and the driver 7 is connected to the lead screw 3 and used to drive the lead screw 3 to rotate. For example, as shown in Figure 3 , the driver 7 can be a motor, and the driver 7 can be connected to the front end of the lead screw 3.

[0047] During use, the driver 7 can drive the rotation of the lead screw 3. Due to the threaded cooperation of the sliding member 5 and the lead screw 3 and the rotation limiting and positioning of the guide rod 4 to the sliding member 5, the sliding member 5 can reciprocate in the front-rear direction. By the translation of the sliding member 5, the variable speed wire 6 can be pulled or released, thereby achieving the gear shifting of the plurality of gears.

[0048] The utility model discloses an embodiment of the utility model discloses a cable gear 100, and the transmission and release of speed change cable 6 are realized through driver 7, screw rod 3 and sliding piece 5, thereby realizing the mechanization of the drive of speed change cable 6, and the automation operation can be realized through the additional corresponding control device, the situation of manual operation in the related art is avoided, the safety of riding is improved, the demand of manual gear shifting of the rider is reduced under the condition of high -speed riding or the situation that attention needs high concentration, thereby the risk of the accident due to improper operation is reduced.

[0049] Secondly, the transmission mode of screw rod 3 is controllable and higher in precision, can ensure the accuracy of each gear shifting, thereby improving the stability and efficiency of gear shifting.

[0050] In addition, the precision of the tension and position of speed change cable 6 can be fine-tuned through driver 7, thereby avoiding the situation that the vehicle needs to be checked and maintained regularly, and providing the convenience for maintenance adjustment.

[0051] In some embodiments, the cable gear 100 includes a support 8 and a shaft coupling 9, the support 8 is arranged between the base 2 and the driver 7, and the support 8 is connected with the base 2 and the driver 7. For example, as shown in Figure 2 and Figure 3 The support 8 can be generally a circular ring column and can extend along the front and rear directions, and the front side and the rear side of the support 8 can be provided with a plurality of through holes for the fasteners such as screws to pass through, thereby facilitating the connection of the support 8 between the base 2 and the driver 7 through the fasteners, and further facilitating the transmission connection of the drive shaft of the screw rod 3 and the driver 7.

[0052] The shaft coupling 9 is arranged in the support 8, and the drive shaft of the screw rod 3 and the driver 7 is connected through the shaft coupling 9. For example, the shaft coupling 9 can be assembled in the inner hole of the support 8, the front side of the shaft coupling 9 can be connected with the driver 7, and the rear side of the shaft coupling 9 can be connected with the screw rod 3. Thus, the rotation effect output by the driver 7 can be transmitted to the screw rod 3 through the shaft coupling 9. The assembly of the shaft coupling 9 in the above-mentioned support 8 can play a protection role and can enhance the stability during rotation.

[0053] In some embodiments, the shaft coupling 9 is provided with an inner hole, and the shaft head of the screw rod 3 and the shaft head of the drive shaft are inserted into the inner hole and are rotationally stopped with the hole wall of the inner hole. For example, the hole wall of the inner hole of the shaft coupling 9 can be provided with a flat feature, for example, the cross section of the inner hole of the shaft coupling 9 can be D-shaped, and the cross section of the shaft head of the front end of the screw rod 3 and the shaft head of the drive shaft can also be D-shaped. When assembled, the shaft head of the screw rod 3 and the shaft head of the drive shaft are directly inserted into the inner hole of the shaft coupling 9, thereby facilitating the rotationally stopped assembly with the shaft coupling 9 and improving the convenience of installation.

[0054] In some embodiments, the base 2 is equipped with a first bearing 10 at both ends of the extension direction of the lead screw 3, one end of the lead screw 3 is rotatably equipped in the first bearing 10 at one end of the base 2, and the other end of the lead screw 3 is rotatably equipped in the first bearing 10 at the other end of the base 2.

[0055] For example, the first bearing 10 has two, one of which can be equipped at the front end of the base 2, and the other at the rear end of the base 2. The front end of the lead screw 3 can be equipped in the inner ring of the front first bearing 10, and the rear end of the lead screw 3 can be equipped in the inner ring of the rear first bearing 10, thereby ensuring the smooth rotation of the lead screw 3.

[0056] In some embodiments, the base 2 is equipped with an ear 12 at both ends, the ear 12 is equipped with an assembly hole, and the first bearing 10 is equipped in the assembly hole. For example, as shown in Figure 2 The ear 12 can be an ear plate, and the front and rear ends of the base 2 are integrally formed with one ear 12 respectively, each of which can be equipped with a round hole assembly hole, and the above two first bearings 10 can be equipped in the assembly holes of the two ears 12, thereby improving the convenience of assembly.

[0057] In some embodiments, the wire speed changer 100 includes a second bearing 11, the sliding piece 5 is equipped with a mounting hole, the second bearing 11 is equipped in the mounting hole, and the guide rod is fitted in the second bearing 11.

[0058] For example, as shown in Figure 2 The second bearing 11 can be a linear bearing, and the second bearing 11 can be directly equipped in the mounting hole, and the above guide rod can be slidingly fitted in the second bearing 11, thereby improving the smoothness of the sliding piece 5 relative to the guide rod 4.

[0059] In some embodiments, the shell 1 is equipped with a plurality of clamping positions 13 and a plurality of hole positions 14, and the base 2 and the driver 7 are fixed in the shell 1 through the plurality of clamping positions 13 and the plurality of hole positions 14. For example, as shown in Figure 3 The clamping position 13 can be a buckle structure, and the hole position 14 can be a groove structure, the above base 2 can be clamped and assembled into the shell 1 through the plurality of clamping positions 13, and the driver 7 can be embedded in the plurality of hole positions 14, thereby improving the convenience of installation of the base 2 and the driver 7.

[0060] In some embodiments, the shell 1 includes a first shell 15 and a second shell 16, the shell 1 is spliced by the first shell 15 and the second shell 16, and the base 2 and the driver 7 are arranged in one of the first shell 15 and the second shell 16.

[0061] For example, as shown in Figure 2As shown, the first shell 15 can be located on the left side of the second shell 16, and the first shell 15 and the second shell 16 can be fixedly installed by clamping. The base 2, the driver 7, the lead screw 3, the guide rod 4, the support 8, and the like can be assembled in the first shell 15 first, and then the second shell 16 is capped on the first shell 15.

[0062] In some embodiments, the shell 1 is externally provided with a cylindrical portion 18, and the shift wire 6 is fitted in the cylindrical portion 18. For example, as shown in Figure 2 and Figure 3 The cylindrical portion 18 can be cylindrical, and the cylindrical portion 18 can be integrally formed on the rear side of the first shell 15 by injection molding. The cylindrical portion 18 is a hollow structure, and the shift wire 6 can pass through the cylindrical portion 18, thereby achieving guidance of the direction in which the shift wire 6 passes out, avoiding the situation that the shift wire 6 has a large corner and is easily damaged or cut off.

[0063] In some embodiments, the lead screw 3, the guide rod 4, and the shift wire 6 are arranged in parallel and at intervals, and the guide rod 4 is arranged between the shift wire 6 and the lead screw 3. For example, as shown in Figure 3 The lead screw 3, the guide rod 4, and the shift wire 6 in the shell can extend in the front-rear direction, and the lead screw 3, the guide rod 4, and the shift wire 6 can be arranged in parallel and at intervals in the up-down direction. The shift wire 6 can be arranged above the guide rod 4, and the lead screw 3 can be arranged below the guide rod 4.

[0064] Compared with the shift wire 6 and the guide rod 4, the lead screw 3 has a larger radial dimension and is heavier in texture. By arranging the lead screw 3 at the lowest position, the overall center of gravity of the derailleur can be lowered, thereby improving the stability during riding.

[0065] Secondly, by arranging the shift wire 6 at the uppermost position, on the one hand, the shift wire 6 is facilitated to be led out, avoiding the situation that the shift wire 6 is arranged between the guide rod 4 and the lead screw 3 and is easily interfered, thereby making the overall space arrangement more reasonable. On the other hand, compared with the guide rod 4 and the lead screw 3, the shift wire 6 is a component that is easily damaged. By arranging the shift wire 6 at the uppermost position, subsequent maintenance is facilitated, that is, the situation that the guide rod 4 and the lead screw 3 need to be disassembled for maintenance and replacement is avoided.

[0066] In some embodiments, as shown in Figure 2 and Figure 3As shown, the cable shift 100 includes a control board 17, which is arranged on the shell 1 and connected with the driving electricity, and the communication line 19 and / or the power line 20 of the control board 17 are arranged out of the shell 1. Thus, the automation of the operation of the cable shift 100 is facilitated, and secondly, by arranging the control board 17, the cable shift 100 can also be combined with intelligent sensors, cycling data analysis systems and the like, so that the gear ratio can be automatically adjusted according to the cycling speed, road conditions, cycling style of the rider and the like, thereby providing a more personalized cycling experience.

[0067] The vehicle of the embodiments of the utility model is described below.

[0068] The vehicle of the embodiments of the utility model includes a cable shift, which can be the cable shift 100 described in any of the above embodiments.

[0069] In some embodiments, as shown, Figure 4 As shown, the vehicle includes a frame rear fork 200 for assembling with the wheel shaft of the rear wheel, the frame rear fork 200 can be combined into an angular structure through two long beams, the wheel shaft of the rear wheel can be rotatably assembled at the connecting position of the two long beams, and the shell 1 of the above-mentioned cable shift 100 is assembled in the included angle of the frame rear fork 200, and the shell 1 can be connected and fixed with the frame rear fork 200 through screws arranged at three edge angles of the shell 1 respectively. In other embodiments, the cable shift 100 can also be installed at other positions of the vehicle body.

[0070] In some embodiments, the shell 1 is triangular. For example, as shown, Figure 1 As shown, the shell 1 can be generally triangular, so that the shape of the shell 1 can match the included angle of the frame rear fork 200 on the vehicle, improving the convenience and appearance of assembly.

[0071] In some embodiments, the vehicle further includes a derailleur 300, which can also be connected with the frame rear fork 200, and the above-mentioned shift cable 6 can be connected with the derailleur 300.

[0072] Although the above-mentioned embodiments have been shown and described, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model, and the changes, modifications, replacements and modifications of the above-mentioned embodiments by those skilled in the art are within the protection scope of the utility model.

Claims

1. A cable shift, characterized in that, The shell comprises: a base arranged in the shell; a screw rod rotatably arranged in the base; a guide rod arranged in the base and parallel to the screw rod; a sliding member arranged in the screw rod and moving along the screw rod when the screw rod rotates, the sliding member being slidably arranged in the guide rod, and a speed change wire connected to the sliding member and passing through the shell; a driver arranged in the shell, the driver being connected to the screw rod and used to drive the screw rod to rotate; the screw rod, the guide rod and the speed change wire are arranged in parallel and the guide rod is arranged between the speed change wire and the screw rod, the speed change wire is arranged above the guide rod and the screw rod is arranged below the guide rod; a plurality of clamping positions and a plurality of hole positions are arranged in the shell, and the base and the driver are fixed in the shell through the plurality of clamping positions and the plurality of hole positions. The shell comprises:

2. The cable shift of claim 1, wherein, a support arranged between the base and the driver, and the support being connected to the base and the driver; a shaft coupling arranged in the support, and the screw rod and a driving shaft of the driver being connected through the shaft coupling. An inner hole is arranged in the shaft coupling, and the shaft head of the screw rod and the shaft head of the driving shaft are inserted into the inner hole and are rotationally stopped by the hole wall of the inner hole.

3. The cable shift of claim 2, wherein, First bearings are arranged at both ends of the base in the extension direction of the screw rod, one end of the screw rod is rotatably arranged in the first bearing at one end of the base, and the other end of the screw rod is rotatably arranged in the first bearing at the other end of the base.

4. The stay rod transmission of claim 1, wherein, Ears are arranged at both ends of the base, and assembly holes are arranged in the ears, and the first bearings are arranged in the assembly holes.

5. The cable shift of claim 4, wherein, The shell comprises a second bearing, the sliding member is provided with a mounting hole, the second bearing is arranged in the mounting hole, and the guide rod is fitted in the second bearing.

6. The stay rod variator of claim 1, wherein, The shell comprises a first shell and a second shell, the shell is formed by splicing the first shell and the second shell, and the base and the driver are arranged in one of the first shell and the second shell.

7. The stay rod transmission of claim 1, wherein, A cylindrical portion is arranged on the outside of the shell, and the speed change wire is fitted in the cylindrical portion.

8. The stay rod variator of claim 1, wherein, The shell comprises a control panel arranged in the shell and electrically connected to the driver, and communication lines and / or power lines of the control panel pass out of the shell.

9. The cable shift of any of claims 1-8, wherein, The shell comprises the cable speed changer according to any one of claims 1-9.

10. A vehicle characterized by comprising: The shell is arranged in the included angle of the frame fork for assembly with the axle of the rear wheel.

11. The vehicle of claim 10, wherein, And / or, the shape of the shell of the cable speed changer is triangular. ​

Images