CN206329646U - A kind of transmission shaft structure - Google Patents

Abstract

The disclosure provides a kind of transmission shaft structure, including the first semiaxis and the second semiaxis connected by cross axle, the first bulb and the first bulb that first semiaxis includes pin connection connect cup, the second bulb and the second bulb that second semiaxis includes pin connection connect cup, one end of the cross axle connects cup with first bulb and is slidably connected, and the other end connects a glass pin joint with second bulb；First bulb and the first bulb are connect between cup by the first activity pin connection, and second bulb and the second bulb are equipped with anti-falling piece between connecing cup by the second activity pin connection, the two ends of first removable pin and the second removable pin.Disclosure transmission shaft structure can be changed by activity pin connection in the case of without instrument to power transmission shaft, convenient and swift；Pass through locating part barrier activity pin, it is ensured that removable pin is not forced abjection in transmission process, it is ensured that safely and conveniently safeguard.

Description

A kind of transmission shaft structure

Technical field

This disclosure relates to telecar field, more particularly to a kind of transmission shaft structure.

Background technology

Remote control model car as true car scaled down version, with the mechanical structure similar with true car.Power transmission shaft is used as gearbox The intermediary that power is transmitted between pontic, its importance is self-evident, therefore also often easy impaired important component.It is related Power transmission shaft in technology is all to be connected by machine-processed rice or screw with the gear shaft of gearbox and pontic, such as damages or other reasonses are needed Need to use special screwdriver when changing, it has not been convenient to change.

Utility model content

In view of this, the disclosure provides a kind of transmission shaft structure maintained easily.

Specifically, the disclosure is achieved by the following technical solution：

A kind of transmission shaft structure, including the first semiaxis and the second semiaxis connected by cross axle, described the first half The first bulb and the first bulb that axle includes pin connection connect cup, and second semiaxis includes the second bulb and the second ball of pin connection Head connects cup, and one end of the cross axle connects cup with first bulb and is slidably connected, and the other end connects cup pin with second bulb Connect；First bulb and the first bulb connect between cup and the second bulb and the second bulb connect cup between connected by removable pin Connect, the removable pin two ends are provided with anti-falling piece.

By the need for being connected and both taken into account that power transmission shaft is firm and install of the removable pin and anti-falling piece, can need again The limitation to removable pin can be released by dismounting maintenance directly dismounting anti-falling piece, so as to facilitate the maintenance of power transmission shaft to change.

Further, first bulb and the first bulb connect the pin-and-hole for being equipped with and being housed for the removable pin on cup.The One bulb and the first bulb connect cup for universal connection, need to keep connecting in transmission process, are housed in the removable pin in pin-and-hole The first bulb can be improved and the first bulb connects stability of the cup in transmission process.

Further, first bulb and the first bulb connect cup provided with the first corresponding pin-and-hole of position, the second ball Head and the second bulb connect cup provided with corresponding the second pin-and-hole in position, and first pin-and-hole and the second pin-and-hole are for the activity Pin is worn.Bulb and bulb connect cup for universal connection, need to keep connecting in transmission process, are housed in the removable pin in pin-and-hole Bulb can be improved and bulb connects stability of the cup in transmission process.

Further, one end of the pin joint of the cross axle and the second bulb connect cup and pass through activity pin connection, the activity Sell two ends and be provided with anti-falling piece.One end of the pin joint of the cross axle and the second bulb connect cup provided with corresponding the 3rd pin in position Hole, wears for the removable pin.The pin-and-hole that cross axle and the second bulb are connect on cup coordinates with removable pin ensure that cross axle exists The position of at least one end is fixed during sliding, it is to avoid Joint failure.

Further, first bulb connects cup and the second bulb is connect on cup around provided with the collecting for installing anti-falling piece Groove, the pin-and-hole is arranged in the accepting groove.The design, which is advantageous in that, is prevented from anti-falling piece in connected component top offset, Cause the unexpected releasing limited removable pin, it is ensured that it is firm that universal driving device is connected.

Further, the pin-and-hole is the through hole through the accepting groove.This is designed to increase accepting groove to anti-falling piece Active area, so as to provide more preferable limit effect.

Further, the anti-falling piece for can deformation elastic component.The design achieves telecar universal driving device It is stably connected with applying working condition, while also lightweight, the characteristics of facilitating demolition and maintenance.

Further, the removable pin coordinates with the pin-and-hole for gap.This is designed to convenient in demolition and maintenance Deviate from removable pin.

Further, the diameter of the removable pin is equal to 0.5 and less than 1 with the ratio of the diameter of the pin-and-hole.The design Intensity when convenience and the connection of dismounting is taken into account.

Further, the diameter of the pin-and-hole and the ratio of length are 0.5~2.The design has taken into account bonding strength and ten thousand To the flexibility of transmission.

The technical scheme provided by this disclosed embodiment can include the following benefits：

, can be without work by can freely exit activity pin connection and removable pin is maintained at into latched position by anti-falling piece Power transmission shaft is changed in the case of tool, it is convenient and swift.

It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not The disclosure can be limited.

Brief description of the drawings

Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the implementation for meeting the disclosure Example, and be used to together with specification to explain the principle of the disclosure.

Fig. 1 is a kind of universal driving device schematic diagram shown in the exemplary embodiment of the disclosure one；

Fig. 2 is the first bulb schematic diagram of universal driving device in Fig. 1；

Fig. 3 is that the first bulb of universal driving device in Fig. 1 connects a glass schematic diagram；

Fig. 4 is the cross axle schematic diagram of universal driving device in Fig. 1；

Fig. 5 is that the second bulb of universal driving device in Fig. 1 connects a glass schematic diagram；

Fig. 6 is the second bulb schematic diagram of universal driving device in Fig. 1.

Embodiment

Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment Described in embodiment do not represent all embodiments consistent with the disclosure.On the contrary, they be only with it is such as appended The example of the consistent apparatus and method of some aspects be described in detail in claims, the disclosure.

Fig. 1 is a kind of universal driving device schematic diagram shown in the exemplary embodiment of the disclosure one；As shown in figure 1, a kind of Transmission shaft structure, including the first semiaxis and the second semiaxis connected by cross axle 5, first semiaxis include pin connection The first bulb 1 and the first bulb connect cup 2, the second bulb 9 and the second bulb that second semiaxis includes pin connection connect cup 7, One end of the cross axle connects cup 2 with first bulb and is slidably connected, and the other end connects the pin joint of cup 7 with second bulb；Institute State the first bulb 1 and the first bulb connects between cup 2 and the second bulb 9 and the second bulb are connect between cup 7 by removable pin (figure In do not show) connection, the removable pin two ends be provided with anti-falling piece.Anti-falling piece includes the first anti-falling piece 3, the second anti-falling piece 8 and the Three anti-falling pieces 6.

Removable pin for connection member is maintained at default position by anti-falling piece, does not fall out usually, the design It is advantageous in that the need for having taken into account the firm installation of transmission device, while disassembling just can easily take out removable pin solution after anti-falling piece Except limitation, so as to facilitate the dismounting of universal driving device to safeguard.

In one embodiment, Fig. 2 is the schematic diagram of the first bulb 1 of universal driving device in Fig. 1；Fig. 3 is universal biography in Fig. 1 First bulb of dynamic device connects the schematic diagram of cup 2；As shown in Figures 1 to 3, the first transmission that the first bulb 1 includes and transmission case is connected The end 11 and end 12 of the first bulb 1, the first bulb connects first that cup 2 includes being adapted to the end 12 of the first bulb 1 and connects glass end 41 and first Cross end 42.

In one embodiment, the bulb of the first bulb 1 and first, which connects, is equipped with the first pin-and-hole on cup 2, wherein the first ball It is the inboard aperture 13 of the first pin-and-hole on first 1, the first bulb connects the apertura lateralis 44 for the first pin-and-hole on cup 2, and both forms are different, altogether It is same to cooperatively form the first pin-and-hole.First removable pin is housed in first pin-and-hole.It is ten thousand that first bulb 1 and the first bulb, which connect cup 2, To connection, need to keep connecting in transmission process, the first removable pin being housed in the first pin-and-hole can improve the He of the first bulb 1 First bulb connects stability of the cup 2 in transmission process.

In one embodiment, the first accepting groove for installing the first anti-falling piece is surrounded with first pin-and-hole 43.The design, which is advantageous in that, is prevented from the first anti-falling piece in connected component top offset, causes to limit the first removable pin Unexpected releasing, it is ensured that universal driving device connection it is firm.

In one embodiment, first pin-and-hole is the through hole through connected component, and first accepting groove 43 is surround End face arrangement where first pin-and-hole.This is designed to increase the active area of first 43 pair of first anti-falling piece of accepting groove, from And more preferable limit effect is provided.

In one embodiment, first anti-falling piece for can deformation elastic component.The design achieves the universal biography of telecar It is stably connected with the applying working condition of dynamic device, while also lightweight, the characteristics of facilitating demolition and maintenance.

In one embodiment, first removable pin coordinates with the first pin-and-hole gap.This is designed in dismounting dimension The first removable pin of convenient abjection during shield.

In one embodiment, the diameter of first removable pin and the ratio of the diameter of first pin-and-hole are 0.95.Should Design has taken into account intensity when convenience and the connection of dismounting.

In one embodiment, the diameter of first pin-and-hole and the ratio of length are 1.The design taken into account bonding strength and The flexibility of Universal drive.

Fig. 4 is the schematic diagram of cross axle 5 of universal driving device in Fig. 1；Fig. 5 is the second ball of universal driving device in Fig. 1 Head connects the schematic diagram of cup 7；As shown in Fig. 1~5：Cross axle 5 includes the hip cross 51 being adapted to the first cross end 42, in cross axle 5 The 3rd pin-and-hole is provided with away from the side of the first cross end 42.

In one embodiment, the bulb of cross axle 5 and second, which connects, is equipped with the 3rd pin-and-hole on cup 7, wherein on cross axle 5 For the inboard aperture 52 of the 3rd pin-and-hole, the second bulb connects the apertura lateralis 63 for the 3rd pin-and-hole on cup 7, and both forms are different, match somebody with somebody jointly Close and form the 3rd pin-and-hole.3rd removable pin is housed in the 3rd pin-and-hole.The bulb of cross axle 5 and second connects on cup 7 The position that three pin-and-holes and the cooperation of the 3rd removable pin ensure that cross axle 5 and have one end during sliding is fixed, it is to avoid connection Failure.

Wherein the installation of the 3rd accepting groove 61 and the 3rd anti-falling piece coordinates similar to the first accepting groove 43 and the first anti-falling piece, Repeat no more again.

Fig. 6 is the schematic diagram of the second bulb 9 of universal driving device in Fig. 1, as shown in figs. 1 to 6, the second bulb 9 include with The second gear end 92 that second bulb connects the end 91 of the second bulb 9 of the adaptation of cup 7 and is adapted to gear-box.

In one embodiment, the bulb of the second bulb 9 and second, which connects, is equipped with the second pin-and-hole on cup 7, wherein the second ball It is the inboard aperture 92 of the second pin-and-hole on first 9, the second bulb connects the apertura lateralis 64 for the second pin-and-hole on cup 7, and both forms are different, altogether It is same to cooperatively form the second pin-and-hole.Second removable pin is housed in second pin-and-hole.Second bulb 9 and the second bulb connect cup 7 For universal connection, need to keep connecting in transmission process, the removable pin being housed in the second pin-and-hole can improve the He of the second bulb 9 Second bulb connects stability of the cup 7 in transmission process.

Wherein the installation of the second accepting groove 62 and the 3rd anti-falling piece coordinates similar to the first accepting groove 43 and the first anti-falling piece, Repeat no more again.

When seated, the first bulb 1, the second bulb 9, the first bulb connect the bulb of cup 2 and second and connect between cup 7 by wearing Hole is sold and activity pin connection, and the first bulb connects the bulb of cup 2 and second and connects cup 7 to be connected by cross axle 5, the ball of cross axle 5 and first Head connects the connection of the slide fit of cup 2, and the bulb of cross axle 5 and second connects cup 7 by removable pin, and connection, anti-falling piece is used to wale removable pin, prevented Shotpin drops.

During dismounting, anti-falling piece is exited into stopper slot, removable pin can be deviate from coordinating in gap, the connection between each part Just disconnect, power transmission shaft can be disassembled.

For device embodiment, because it corresponds essentially to embodiment of the method, so related part is real referring to method Apply the part explanation of example.Device embodiment described above is only schematical, wherein described be used as separating component The unit of explanation can be or may not be physically separate, and the part shown as unit can be or can also It is not physical location, you can with positioned at a place, or can also be distributed on multiple NEs.Can be according to reality Selection some or all of module therein is needed to realize the purpose of disclosure scheme.Those of ordinary skill in the art are not paying In the case of going out creative work, you can to understand and implement.

The preferred embodiment of the disclosure is the foregoing is only, not to limit the disclosure, all essences in the disclosure God is with principle, and any modifications, equivalent substitutions and improvements done etc. should be included within the scope of disclosure protection.

Claims (10)

1. a kind of transmission shaft structure, it is characterised in that including the first semiaxis and the second semiaxis connected by cross axle, institute State first bulb and first bulb of first semiaxis including pin connection and connect cup, second semiaxis includes the second bulb of pin connection Cup is connect with the second bulb, one end of the cross axle connects cup with first bulb and is slidably connected, the other end and second ball Head connects a glass pin joint；First bulb and the first bulb are connect between cup by the first activity pin connection, second bulb and Two bulbs are equipped with anticreep between connecing cup by the second activity pin connection, the two ends of first removable pin and the second removable pin Part.

2. transmission shaft structure as claimed in claim 1, it is characterised in that first bulb and the first bulb connect cup and be provided with It is relative provided with position that corresponding the first pin-and-hole worn for first removable pin in position, the second bulb and the second bulb connect cup The second pin-and-hole that should be worn for second removable pin.

3. transmission shaft structure as claimed in claim 1, it is characterised in that one end of the pin joint of the cross axle and the second bulb Cup is connect by the 3rd activity pin connection, the two ends of the 3rd removable pin are provided with anti-falling piece.

4. transmission shaft structure as claimed in claim 3, it is characterised in that one end of the pin joint of the cross axle and the second bulb Cup is connect provided with the 3rd corresponding pin-and-hole of position, is worn for the 3rd removable pin.

5. transmission shaft structure as claimed in claim 2, it is characterised in that first bulb connects cup and the second bulb is connect on cup The first accepting groove and the second accepting groove for installing anti-falling piece are respectively equipped with, first pin-and-hole and the second pin-and-hole are arranged in institute State in the first accepting groove and the second accepting groove.

6. transmission shaft structure as claimed in claim 5, it is characterised in that first pin-and-hole and the second pin-and-hole are to extend through The through hole of first accepting groove and the second accepting groove.

7. transmission shaft structure as claimed in claim 1, it is characterised in that the anti-falling piece for can deformation elastic component.

8. transmission shaft structure as claimed in claim 2, it is characterised in that first removable pin and the first pin-and-hole are matched somebody with somebody for gap Close, second removable pin and the second pin-and-hole coordinate for gap.

9. transmission shaft structure as claimed in claim 8, it is characterised in that the diameter of first removable pin and the described first pin The ratio of the diameter in hole is more than or equal to 0.5 and less than 1, the ratio of the diameter of second removable pin and the diameter of second pin-and-hole Value is more than or equal to 0.5 and less than 1.

10. transmission shaft structure as claimed in claim 8, it is characterised in that the diameter of first pin-and-hole and the second pin-and-hole is long Degree ratio is 0.5~2.