CN207250392U - A kind of automobile electronic switch roller structure - Google Patents

Abstract

The utility model discloses a kind of automobile electronic switch roller structure, switch case, mounting bracket, roll wheel assembly and shift structure, the roll wheel assembly includes roller body and the axial transmission shaft for being connected to roller body both ends, the shift structure includes the driving gear that linkage is arranged on one end of the transmission shaft, with be arranged in the mounting bracket and opening towards driving gear mounting groove, and it is arranged on the ball of the spring and the bias spring in the mounting groove, the ball is resisted against under the active force of the spring between the teeth groove of the driving gear.This structure setting, gear is produced when the driving gear is contacted with the ball and stirs effect, and then it can clearly feel the rolling feel of roller, resistance is small, operate smooth, the sense of touch positive effect of gear, thus it is more accurate and comfortable by rotation roller body regulation stall, lift the performance of product.

Description

A kind of automobile electronic switch roller structure

Technical field

It the utility model is related to a kind of automobile electronic switch, and in particular to a kind of automobile electronic switch roller structure.

Background technology

With the development of the rapid advances of modern science and technology technology, particularly auto technology, automobile has been not only a kind of fortune Defeated instrument, just gradually develops to entertainment orientation, but we cannot ignore security while improving recreational, so steering wheel is more Functional switch comes into being.Important man-machine interface of the steering wheel as automobile, is integrated with including loudspeaker, the increase and decrease of entertainment systems volume And pattern switching, and car running computer control, cruise control, gear control etc. function.According to growth requirement and operation just Victoryization, especially adds the special knot of electrodeless rolling in the volume increase and decrease of entertainment systems part or the function of upper and lower selection Structure, operation is more convenient and unobstructed, but common situation is that most of electrodeless roller needs encoder sequence at present, of high cost, control Make complicated.

For this reason, Chinese patent literature CN205122452U discloses a kind of infinite scroll knot of automobile electronic switch roller Structure, including roller, locating support, pinion gear and gear wheel, wherein：The both ends of rolling wheel support respectively with roller and pinion gear phase Even, pinion gear is connected with roller and gear wheel respectively, and gear wheel is connected with detection switch, and small tooth is driven by roller infinite scroll Wheel rotates, then is switched by pinion gear engagement gear wheel with detection trigger, it is not necessary to band encoder sequence, it is only necessary to opened by detection OFF signal just can control；In addition, locating support is equipped with shrapnel, which is in contact with roller, above-mentioned this structure setting, bullet Piece, which extends and is directly connected to thoughts and feelings on roller, rolls feel, and occupied space is big, and in practical applications, shrapnel directly rubs with roller Contact is wiped, resistance is big, increases corresponding operating power, and smooth degree is low, and the feel that thoughts and feelings gear rolls is unintelligible, and sense of touch is ineffective； And the vibration of long term frequent can influence the elastic fatigue and assembly precision of shrapnel, easily make shrapnel and roller loose contact, coordinate Poor reliability, influences product performance.

Utility model content

Therefore, the technical problems to be solved in the utility model is the shrapnel for overcoming infinite scroll structure of the prior art Contacted with roller direct friction so that smooth degree is low, the feel that thoughts and feelings gear rolls is unintelligible, and sense of touch is ineffective, coordinates reliable Property is poor, the problem of influencing product performance.

To solve above-mentioned technological deficiency, the utility model provides a kind of automobile electronic switch roller structure, including：Switch housing Body and the movable mounting bracket being arranged in switch case, and the roller group being rotatably provided in the mounting bracket Part, the roll wheel assembly include cylindrical roller body, and it is axial be connected to the roller body both ends and with the rolling The transmission shaft of body synchronization action is taken turns, further includes and is arranged between the roll wheel assembly and the mounting bracket to feel described The shift structure that roller body rotates, the shift structure include the driving tooth that linkage is arranged on one end of the transmission shaft Wheel, and be arranged in the mounting bracket and opening is towards the mounting groove of the driving gear, and it is arranged on the mounting groove Interior spring and the steel ball of the bias spring, the steel ball are resisted against the driving gear under the active force of the spring Between teeth groove.

As a preferred embodiment, the transmission shaft is fixedly connected with the roller body or integrative-structure is molded.

As a preferred embodiment, the mounting groove is the cylinder groove set perpendicular to the mounting bracket bottom direction, The cylinder groove is opposite up and down with the driving gear.

As a preferred embodiment, the steel ball moves along the cylinder groove setting direction and is contained in the cylinder groove In, and the opening for being exposed under the action of the spring cylinder groove is contacted with driving gear extruding.

As a preferred embodiment, the other end coaxial linkage of the relatively described driving gear of the transmission shaft is provided with spine Wheel, one end of the mounting bracket are provided with the signal detection switch of connection corresponding with the ratchet.

As a preferred embodiment, the signal detection switch includes Switch main body and switch shifting block, the switch shifting block It is arranged on the rotation path of the ratchet, when the pawl wheel contact switch shifting block so that the Switch main body is opened Open and send corresponding detection signals.

As a preferred embodiment, the circumferential surface of the roller body is provided with some friction structures in raised line shape.

As a preferred embodiment, the mounting bracket includes rack body, and by the rack body both ends towards institute Two support plates of the direction of both ends extension of roller body are stated, the roller body is rotationally connected with described by the transmission shaft Between two support plates.

As a preferred embodiment, two support plates are corresponded to form and passed through suitable for the transmission shaft and axial phase To U-shaped perforate, the opening aperture of the U-shaped perforate is less than the diameter of the transmission shaft.

As a preferred embodiment, the microswitch for being arranged on the rack body bottom, the rack body are further included Bottom form the protruding shaft opposite with the trigger button of the microswitch；Being formed at the top of the rack body can part Accommodate the storage tank of the roller body.

Technical solutions of the utility model, have the following advantages that：

1. in automobile electronic switch roller structure provided by the utility model, by roll wheel assembly and the mounting bracket Between set to feel the shift structure that the roller body rotates, shift structure includes being arranged on one end of transmission shaft Driving gear, and the spring and ball being arranged in mounting groove, wherein, the ball is resisted against under the active force of the spring Between the teeth groove of the driving gear, to keep driving gear and ball to be in close contact, coordinate reliably, the ball is subject to actively Gear extrusion can be to groove sunken inside, while is subject to the supporting role of spring, therefore, transmission shaft is driven by rotation roller body Gear is produced when rotating synchronously with driving gear, when being contacted with the ball respectively by each teeth groove of the driving gear to stir Effect, and then the rolling feel of roller can be clearly felt, resistance is small, operates smooth, the sense of touch positive effect of gear, from And it is more accurate and comfortable by rotation roller body regulation stall, lift the performance of product.

2. in automobile electronic switch roller structure provided by the utility model, the mounting groove is perpendicular to the installation branch The cylinder groove that frame bottom direction is set, the cylinder groove is opposite up and down with the driving gear, this structure setting, the spring The active force being in contact with the driving gear is applied to the steel ball, is set according to the relative spacing of cylinder groove and driving gear Meter, the opening that steel ball is limited to cylinder groove are contacted with driving gear extruding, are prevented outside steel ball abjection cylinder groove, design Rationally, stability is good, coordinates reliably, so that the rolling feel of roller can be felt by being engaged by steel ball and driving gear.

3. in automobile electronic switch roller structure provided by the utility model, two branch are rotatably arranged in by transmission shaft In the U-shaped perforate of fagging, to realize that the rotation of roller body is set, and the U-shaped perforate opening aperture be less than it is described The diameter of transmission shaft, stops that the transmission shaft deviates from the U-shaped perforate, strengthens the reliability of connection, and what guarantee cooperation was driven can By property and stability.

Brief description of the drawings

, below will be right in order to illustrate more clearly of the utility model embodiment or technical solution of the prior art Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, describe below In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness On the premise of work, other attached drawings can also be obtained according to these attached drawings.

Fig. 1 is the dimensional structure diagram of automobile electronic switch roller structure provided by the utility model；

Fig. 2 is the cross-sectional view of the automobile electronic switch roller structure shown in Fig. 1；

Fig. 3 is the Split type structure schematic diagram of the automobile electronic switch roller structure shown in Fig. 1；

Description of reference numerals：1- mounting brackets, 11- support plates, 12-U shape perforates, 13- protruding shafts, 14- storage tanks, 2- rollers Body, 21- friction structures, 3- transmission shafts, 4- shift structures, 41- driving gears, 42- mounting grooves, 43- springs, 44- balls, 5- Ratchet, 6- signal detections switch, 61- switch shifting blocks, 7- microswitches.

Embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality Novel protected scope.

, it is necessary to which explanation, term " first ", " second ", " the 3rd " are only used for describing in the description of the utility model Purpose, and it is not intended that instruction or hint relative importance.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.

In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other Not forming conflict can be combined with each other.

Embodiment 1

The present embodiment is specifically described below in conjunction with the accompanying drawings：

The present embodiment provides a kind of automobile electronic switch roller structure as shown in Figs. 1-3, including：Switch case and can The mounting bracket 1 being movably arranged in switch case, and the roll wheel assembly being rotatably provided in the mounting bracket 1, institute Stating roll wheel assembly includes cylindrical roller body 2, and it is axial be connected to 2 both ends of roller body and with the roller sheet The transmission shaft 3 of 2 synchronization action of body, further includes and is arranged between the roll wheel assembly and the mounting bracket to feel the rolling The shift structure 4 that body 2 rotates is taken turns, the shift structure 4 includes the driving tooth that linkage is arranged on one end of the transmission shaft 3 Wheel 41, and be arranged in the mounting bracket 1 and opening is towards the mounting groove 42 of the driving gear 41, and it is arranged on described Spring 43 in mounting groove 42 and the ball 44 for biasing the spring, the ball 44 under the active force of the spring 43 against Between the teeth groove of the driving gear 41.

The above embodiment is the core technology scheme of the present embodiment, by roll wheel assembly and the mounting bracket 1 it Between set to feel the shift structure 4 that the roller body rotates, shift structure 4 includes being arranged on one end of transmission shaft Driving gear 41, and the spring 43 and ball 44 being arranged in mounting groove 42, wherein, work of the ball 44 in the spring 43 Firmly it is resisted against down between the teeth groove of the driving gear 41, to keep driving gear and ball to be in close contact, coordinates reliable, institute Stating ball 44 is subject to driving gear extruding can be to mounting groove sunken inside, while is subject to the supporting role of spring again, therefore, by turning Dynamic roller body 2 to drive transmission shaft 3 and driving gear 41 to rotate synchronously, by the driving gear 41 each teeth groove respectively with Gear is produced when the ball 44 contacts and stirs effect, and then can clearly feel the rolling feel of roller, resistance is small, behaviour Make smooth, the sense of touch positive effect of gear, thus it is more accurate and comfortable by 2 regulation stall of rotation roller body, lift product Performance.

With reference to figure 2, the transmission shaft 3 and the connection mode of the roller body 2 be not unique, in the present embodiment, described Transmission shaft 3 is fixedly connected with the roller body 2 or integrative-structure shaping, realizes the same of the roller body and the transmission shaft Step rotates.Obviously it can also realize that transmission shaft is linked with rolling body by other embodiment, such as by the biography Moving axis one end is molded with roller body integrative-structure, and the other end is fixed by connector and is inlaid in roller body, makes to be connected to The transmission shaft at roller body both ends is axially aligned along it, is reached the effect integrally to link, is occupied little space, reliable transmission, is stablized Property is more preferable.

Made further preferably according to the above embodiment, as shown in Figs. 1-2, the mounting groove 42 is perpendicular to the installation The cylinder groove that 1 bottom direction of stent is set, the cylinder groove and the driving gear are opposite about 41, correspondingly, being contained in institute The spring 43 in cylinder groove is stated also towards the driving gear 41, wherein, the driving gear 41 is preferably cylindricality gear.Make For a kind of specific set-up mode, the ball 44 is the removable steel ball being contained in the cylinder groove, the steel ball and institute To state cylinder groove size to be adapted, can be moved along its axis in cylinder groove, its surface is smooth, small with driving gear contact resistance, When being subject to driving gear to extrude, part is absorbed in cylinder groove, and is exposed to the cylinder groove under the action of the spring 43 Opening is contacted with the driving gear 41 extruding.Set by said structure, the steel ball is applied the spring 43 and institute The active force that driving gear 41 is in contact is stated, is designed according to the relative spacing of cylinder groove and driving gear, is i.e. both gap lengths Less than the diameter of steel ball, the opening that steel ball is limited to cylinder groove is contacted with driving gear extruding, prevents steel ball from deviating from Outside cylinder groove, design is reasonable, and stability is good, coordinates reliably, so that rolling can be felt by being engaged by steel ball and driving gear The rolling feel of wheel, the accuracy that lifting gear is adjusted.

In the present embodiment, as shown in Figure 1, the other end coaxial linkage of the relatively described driving gear 41 of the transmission shaft 3 Ratchet 5 is provided with, the ratchet 5 realizes and rotate synchronously that one end of the mounting bracket 1 is set with driving gear 41 by transmission shaft The signal detection switch 6 of connection corresponding with the ratchet 5 is equipped with, the ratchet 5 triggers the signal detection in rotation process The action of switch 6, the signal detection switch are connected with external control system, realize and roll control.

It is further preferred that the signal detection switch 6 includes Switch main body and switch shifting block 61, the switch shifting block 61 It is arranged on the rotation path of the ratchet 5, when the ratchet 5, which rotates, contacts the switch shifting block, so that the switch is originally Body is opened and sends detection signal.In the present embodiment, it is described switch shifting block 61 have stress swing and pressure disappearance after from The characteristics of dynamic return, in summary, the signal detection switch 6 by the ratchet 5 stir switch shifting block 61 action come The rolling operation of the roller body is detected, control function is rolled so as to fulfill corresponding.

With reference to figure 1, the circumferential surface of the roller body 2 is provided with some friction structures 21 in raised line shape, and increase rubs Contact is wiped, is not easy to skid, is more convenient described in manual toggle during roller body.

Elaborate with reference to the concrete structure of Fig. 1-3 pairs of locating supports：

The mounting bracket 1 includes rack body, and by the rack body both ends towards the both ends of the roller body 2 Two support plates 11 of direction extension, the roller body 2 are rotationally connected with described two support plates 11 by the transmission shaft Between.Further, two support plates 11 are corresponded to form and passed through suitable for the transmission shaft and axially opposing U-shaped is opened Hole 12, in the above embodiment, is rotatably arranged in the U-shaped perforate of two support plates, to realize roller sheet by transmission shaft The rotation of body 2 is set, and the opening aperture of the U-shaped perforate 12 is less than the diameter of the transmission shaft 3, to stop the biography Moving axis 3 deviates from the U-shaped perforate 12, strengthens the reliability of connection, ensures the stability for coordinating transmission.

In the present embodiment, the microswitch 7 for being arranged on the rack body bottom is further included, the rack body 1 Bottom forms the protruding shaft 13 opposite with the trigger button of the microswitch 7, it is necessary to which explanation is:The locating support 1 is logical Cross guide frame and can push and be arranged in switch case, although not showing in the accompanying drawings, those skilled in the art can lead to Cross to be described below and understand, guide frame includes the guiding chimb for setting locating support both sides, and the corresponding chimb that is oriented to is arranged on Guide chute on switch case inner wall, in addition, the two bottom sides in rack body set dynamic clamping head and quiet clamping head, realizes locating support Reset function.It follows that cooperation of the locating support 1 by being oriented to chimb and guide chute realizes that vertical depression is moved Make, and then the trigger button is pressed by the protruding shaft 13 and realizes that the keying of microswitch controls so that the rolling of the present embodiment Wheel construction not only has the function of infinite scroll, but also with pushing control function.

As shown in Fig. 2, the storage tank 14 that can partly accommodate the roller body 2 is formed at the top of the rack body, Ensure not contact with the rack body when roller body 2 rotates, design is reasonable, coordinates reliable.

Obviously, the above embodiments are merely examples for clarifying the description, and the restriction not to embodiment.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or Among the protection domain that variation is created still in the utility model.

Claims (10)

1. a kind of automobile electronic switch roller structure, including：Switch case and the movable installation branch being arranged in switch case Frame (1), and the roll wheel assembly being rotatably provided in the mounting bracket (1), it is characterised in that：The roll wheel assembly includes Cylindrical roller body (2), and the axial roller body (2) both ends and synchronous with the roller body (2) of being connected to The transmission shaft (3) of action, further includes and is arranged between the roll wheel assembly and the mounting bracket to feel the roller sheet The shift structure (4) that body (2) rotates, the shift structure (4) include the master that linkage is arranged on one end of the transmission shaft (3) Moving gear (41), and be arranged in the mounting bracket (1) and opening towards the driving gear (41) mounting groove (42), with And the ball (44) of the spring (43) and the bias spring in the mounting groove (42) is arranged on, the ball (44) is described It is resisted against under the active force of spring (43) between the teeth groove of the driving gear (41).

2. automobile electronic switch roller structure according to claim 1, it is characterised in that：The transmission shaft (3) with it is described Roller body (2) is fixedly connected or integrative-structure shaping.

3. automobile electronic switch roller structure according to claim 1, it is characterised in that：The mounting groove (42) is vertical In the cylinder groove that the mounting bracket (1) bottom direction is set, the cylinder groove and the driving gear (41) are opposite up and down.

4. automobile electronic switch roller structure according to claim 3, it is characterised in that：The ball (44) is removable The steel ball being contained in the cylinder groove, and it is exposed under the action of the spring (43) opening and the institute of the cylinder groove State driving gear extruding contact.

5. automobile electronic switch roller structure according to claim 4, it is characterised in that：The transmission shaft (3) is with respect to institute The other end coaxial linkage for stating driving gear (41) is provided with ratchet (5), one end of the mounting bracket (1) be provided with it is described Ratchet corresponds to the signal detection switch (6) of connection.

6. automobile electronic switch roller structure according to claim 5, it is characterised in that：The signal detection switchs (6) Including Switch main body and switch shifting block (61), the switch shifting block (61) is arranged on the rotation path of the ratchet (5), works as institute State ratchet (5) rotate contact it is described switch shifting block when so that the Switch main body is opened and sends detection signal.

7. automobile electronic switch roller structure according to claim 2, it is characterised in that：The circle of the roller body (2) Perimeter surface is provided with some friction structures (21) in raised line shape.

8. automobile electronic switch roller structure according to claim 7, it is characterised in that：The mounting bracket (1) includes Rack body, and two support plates extended by the direction of both ends of the rack body both ends towards the roller body (2) (11), the roller body (2) is rotationally connected between described two support plates (11) by the transmission shaft.

9. automobile electronic switch roller structure according to claim 8, it is characterised in that：Two support plates (11) are right It should form and be passed through suitable for the transmission shaft and axially opposing U-shaped perforate (12), the opening hole of the U-shaped perforate (12) Footpath is less than the diameter of the transmission shaft (3).

10. automobile electronic switch roller structure according to claim 9, it is characterised in that：Further include and be arranged on the branch The microswitch (7) of frame body bottom portion, the bottom of the rack body form the trigger button phase with the microswitch (7) To protruding shaft (13)；The storage tank (14) of the roller body (2) can partly be accommodated by being formed at the top of the rack body.