CN208845702U - For electric vehicle and the electronic gear shifter of traditional automatic car stopping - Google Patents

Abstract

The utility model discloses a kind of for electric vehicle and the electronic gear shifter of traditional automatic car stopping, mainly it is made of upper housing, lower case, circuit board assemblies and shift bar assembly, shift gears bar assembly by gear lever, shift shaft and permanent magnet group at, the gear lever is mutually perpendicular to fix with shift shaft, the permanent magnet is coaxially fixed on the shaft end of shift shaft, and is located on same axis with the Hall switch on circuit board assemblies；The outer circumference surface of the shift shaft is equipped with positioning protrusion, lower case is equipped with locating slot, the two realizes the axially position of shift shaft by shifting shaft limiting slot Matching installation, the shift both ends of the shaft is mounted in lower case by axle bed of shifting gears, realize shift shaft radial positioning, it is pressed abd fixed in lower case at the top of the shift axle bed by the upper housing with limit rib, and then realizes and positioned on vertical direction.Electronic gear shifter structure integrated level height described in the utility model and signal transduction component accurate positioning.

Description

For electric vehicle and the electronic gear shifter of traditional automatic car stopping

Technical field

The utility model belongs to vehicle chassis art drive systems field, and in particular to one kind is used for electric vehicle and tradition certainly The dynamic electronic gear shifter kept off a car.

Background technique

With the development of automotive electronics, shift gears as the key technology in vehicle chassis transmission system, by traditional machine Tool shift evolves as electric gear change, and so-called mechanical changeover refers to: mechanical drag-line is pulled by manipulation mechanical changeover device, into And gearbox switching gear is driven to realize the process of shift；And electric gear change refers to: detecting driver by electronic selector Operational motion, the driving intention of driver is passed into master controller (including automatic block vehicle in the form of electronic signal The TCU of the gearbox or HCU of electric vehicle), then decision is unified by master controller, gear-shifting actuating mechanism is driven, and then switch Gear realizes the process of shift.

Why more and more extensive electric gear change technology is to obtain public approval and becomes a kind of mainstream development trend, is Because electric gear change system had both released the space of vehicle cab, facilitate vehicle lightweight, and mention for vehicle intelligent control Necessary condition is supplied, product technology sense is embodied well.

Electronic gear shifter is the key building block of electric gear change system, and the quality of design will directly affect subsequent shift The accuracy and stability of process, and existing electronic gear shifter is generally existing following insufficient:

1, since existing electronic gear shifter mechanical arrangement is not exquisite enough, compact, lead to existing electronic gear shifter shape Size, it is especially bigger than normal to size along the X of vehicle heading.

2, the positioning method of shift bar assembly is bad in existing electronic gear shifter, causes electron gear shifting signal to transmit steady Qualitative and reliability is poor.

3, existing electronic gear shifter is not comprehensive enough from the aspect of NVH, and noise reduction measure is less even without causing to shift gears Noise in the process is larger.

Therefore, how by better Machine Design, make that the outer dimension of electronic gear shifter is smaller, signal transduction component is fixed Position more precisely, smaller gear shift noise will be at this stage and the important directions of future studies.Meanwhile existing design is modular The expansibility for combining modularized design makes the design of electronic gear shifter that can develop in depth, also has become being total to for industry Same target.

Summary of the invention

For the defect in the presence of the above-mentioned prior art, the utility model provides one kind and is used for electric vehicle and tradition certainly The dynamic electronic gear shifter kept off a car, structure integrated level height and signal transduction component accurate positioning.In conjunction with Figure of description, this is practical Novel technical solution is as follows:

For electric vehicle and the electronic gear shifter of traditional automatic car stopping, mainly by lower case 1, upper housing 2, circuit board assemblies 18 and shift bar assembly composition, shift bar assembly be made of gear lever 4, shift shaft 5 and permanent magnet 6, the gear lever 4 with Shift shaft 5 is mutually perpendicular to fix, and the permanent magnet 6 is coaxially fixed on the shaft end of shift shaft 5, and on circuit board assemblies 18 Hall switch 19 be located on same axis；The outer circumference surface of the shift shaft 5 is equipped with positioning protrusion 20, in lower case 2 Equipped with locating slot, the two matches, and realizes the axially position of shift shaft 5.

Further, shifting shaft limit is additionally provided between the positioning protrusion 20 of shift shaft 5 and the locating slot of lower case 2 Slot 8, the positioning protrusion 20 is in shifting shaft limiting slot 8, and the inner side end of positioning protrusion 20 and shifting shaft limiting slot 8 Along the axial interference fit of shift shaft 5,8 bottom of shifting shaft limiting slot is fixed on the locating slot of lower case 2 by claw It is interior.

Further, the positioning protrusion 20 is in shifting shaft limiting slot 8, and the top of positioning protrusion 20 and shift It is equipped with gap between the bottom of axis limiting slot 8, and has lubricating grease in the gap.

Further, the shifting shaft limiting slot 8 is wear-resistant plastic material.

Further, the shift shaft 5 is plastic material；Lead between the gear lever 4, shift shaft 5 and permanent magnet 6 It crosses injection molding or the mode being bonded is connected and is integrally formed.

Further, it is equipped with limited post 21 perpendicular to the lower end of the gear lever 4, and the limited post 21 is perpendicular to shift The direction of motion of bar 4, limited post 21 is moved forward and backward with gear lever 4 is respectively equipped with limit vertical plate 22 in the corresponding lower case 1 in direction, Limited post 21 and the limit interference of vertical plate 22 form limit when gear lever 4 moves to the extreme position of setting；On the limited post 21 It is set with vibration isolation rubber circle 9.

Further, 5 both ends of shift shaft are mounted in lower case 1 by axle bed 7 of shifting gears, the shift shaft 5 Shaft end be mounted in the axle sleeve of shift axle bed 7, the radially opposite sides of the shift axle bed 7 are equipped with symmetrical positioning plate, and with The locating slot of 1 two sides of lower case matches grafting, is additionally provided with a locating plate in the bottom of shift axle bed 7, the locating plate is inserted In the limiting groove for entering lower case 1, to realize shift axle bed 7 along shift 5 radial positioning of shaft.

Further, it is described shift axle bed 7 axle sleeve inner circumference side on be provided with along axially through strip groove, So that forming bar shaped gap between the inner circumference side of axle sleeve and the external peripheral surface for shaft 5 of shifting gears, have in bar shaped gap Lubricating grease,

Further, the top of the shift axle bed 7 is fitted in lower case 1 by upper housing 2, is pushed up in upper housing 2 Limit rib 23 is equipped on the inside of portion, the limit rib 23 is pressed on the upper surface of shift axle bed 7, passes through upper housing 2 and lower case 1 Fastening, realize to be pressed on shift axle bed 7 along the vertical direction on positioning.

Further, the shift axle bed 7 is wear-resistant plastic material.

Compared with prior art, the utility model has the beneficial effects that:

1, permanent magnet 6 is directly arranged in the end of gear shift shaft 5, permanent magnet by electronic gear shifter described in the utility model 6 axis are overlapped with 5 axis of gear shift shaft, which passes through the center for the Hall switch being arranged on circuit board assemblies, so that forever Positioning between magnet 6 and Hall switch 19 is more accurate, and the two can more accurately transmit the gear shifting signal of driver.

2, permanent magnet 6 is directly arranged in the end of gear shift shaft 5 by electronic gear shifter described in the utility model, is avoided Extra connection structure, so that the structure of entire electronic gear shifter is more compact, and the stroke angle of the gear lever of electronic gear shifter It spends smaller.

3, electronic gear shifter described in the utility model is fixed together gear shift shaft, shift bar and permanent magnet to form one Body, it is ensured that permanent magnet is accurate relative to the position of Hall switch in circuit board assemblies, meanwhile, also increase the rigid of gear shift shaft Degree and intensity, and the shift shaft of plastic material also avoids metal material and rubs larger drawback.

4, in electronic gear shifter described in the utility model, the axially position of gear shift shaft is arranged using gear shift shaft itself Positioning protrusion, and directly positioned with lower case, the dimension chain between positioning protrusion and positioning surface is minimum, it is ensured that gear shift turns Precise positioning between axis permanent magnet and Hall switch.

5, in electronic gear shifter described in the utility model, gear shift shaft positioning protrusion and its on the downside of lower case it Between be provided with shifting shaft limiting slot, and between positioning protrusion and selector shaft limiting slot be clearance fit, the left and right sides is zero clearance Cooperate to slight interference, it is ensured that rub between gear shift shaft positioning protrusion and selector shaft limiting slot minimum, and shifting shaft limiting slot is The anti-wear materials such as POM, and the storing lubricating grease between positioning protrusion and selector shaft limiting slot, further less gear shift shaft is held The friction received.

6, in electronic gear shifter described in the utility model, gear shift shaft is cooperated by gear shift axle bed and selector lower case The positioning of shift lever component Z-direction and X to both direction is realized in installation, and gear shift axle bed uses wear-resistant material, less can change Friction between shelves shaft and matching parts.

7, in electronic gear shifter described in the utility model, increase a vibration isolation rubber on the limited post below shift bar Circle, the limit vertical plate for reducing shift bar and lower case hit the vibration and noise generated, are molded or vulcanize with vibration isolation rubber The scheme ratio of the limit vertical plate of lower case, the less cost of the program.

8, in electronic gear shifter described in the utility model, the limit that gear shift axle bed is limited that is arranged on upper housing Position muscle, it is ensured that even if the gear shift axle bed of plastics itself or it is extraneous due to deform, gear shift shaft without departing from The position of own axes, it is ensured that the reliability of electronic selector signal transmission.

Detailed description of the invention

Fig. 1 is the isometric views of electronic gear shifter described in the utility model；

Fig. 2 is the installation point schematic diagram of electronic gear shifter described in the utility model；

Fig. 3 a is the main view of electronic gear shifter described in the utility model；

Fig. 3 b is the left view of electronic gear shifter described in the utility model；

Fig. 3 c is the top view of electronic gear shifter described in the utility model；

Fig. 4 is the explosive view of electronic gear shifter described in the utility model；

Fig. 5 is partial enlarged view at I in Fig. 4；

Fig. 6 is B-B cross-sectional view in Fig. 3 b；

Fig. 7 is bar assembly partial structural diagram of shifting gears in electronic gear shifter described in the utility model；

Fig. 8 is C-C cross-sectional view in Fig. 7；

Fig. 9 is upper housing schematic diagram of internal structure in electronic gear shifter described in the utility model；

Figure 10 is A-A cross-sectional view in Fig. 3 a；

In figure:

1- lower case, 2- upper housing, 3- shift slot, 4- gear lever,

5- shift shaft, 6- permanent magnet, 7- shift axle bed, 8- shifting shaft limiting slot,

9- vibration isolation rubber circle, 10- gear spring, 11- gear thimble, 12- buffer stopper,

13- mounting hole bushing, 14- board side backplate, the upper screwed assembly of 15-, screwed assembly under 16-,

The side 17- screwed assembly, 18- circuit board assemblies, 19- Hall switch, 20- positioning protrusion,

21- limited post, 22- limit vertical plate, 23- limit rib, 24- shift curved surface；

25- location hole, the first mounting hole of 26-, the second mounting hole of 27-, 28- adjustment hole.

Specific embodiment

For the technical solution of the utility model and its brought beneficial effect is further described, in conjunction with Figure of description, Specific embodiment of the present utility model is as follows:

The utility model provide it is a kind of for electric vehicle and the electronic gear shifter of traditional automatic car stopping, specifically, this Electronic gear shifter described in utility model is 5 Self-resetting electronic gear shifters of rocker-type, electronic gear shifter described in the utility model The control action signal of driver, i.e. gear shifting signal can be communicated by permanent magnet and Hall switch, and result will be communicated The controller of the TCU of automatic block vehicle gearbox, the HCU of electric vehicle or other gear-shifting actuating mechanisms are passed to, is changed with executing Gear movement.

As shown in Figure 4, Figure 5 and Figure 6, electronic gear shifter described in the utility model is mainly by lower case 1, upper housing 2, gear Slot 3, gear lever 4, shift shaft 5, permanent magnet 6, shift axle bed 7, shifting shaft limiting slot 8, vibration isolation rubber circle 9, gear spring 10, Gear thimble 11, buffer stopper 12, mounting hole bushing 13, board side backplate 14, upper screwed assembly 15, lower threaded connection group Part 16, side screwed assembly 17 and circuit board assemblies 18 form.

As shown in Figure 1 and Figure 4, the upper housing 2 is fixedly mounted on lower case 1 by screwed assembly 15 on four groups On, the upper screwed assembly 15 is cross recessed pan head tapping screw plain washer sub-assembly, and the top of the upper housing 2 is circle Arc, and it is provided with arcuate socket along vehicle heading (i.e. X-direction), it is pierced by for gear lever 4 to realize the manipulation to gear lever.

As depicted in figs. 1 and 2, it is respectively provided with a connection otic placode in the front and rear sides of the lower case 1, in each engaging lug A pair of of through-hole is respectively provided on plate, wherein a through-hole on the otic placode of side is location hole 25, on the otic placode of the other side It is another through-hole on the first mounting hole 26, with 25 the same side otic placode of location hole with the ipsilateral through-hole of location hole 25 is the second peace Filling another through-hole on hole 27, with 26 the same side otic placode of the first mounting hole is adjustment hole 28.When installing lower case 1, first The position of lower case 1 is tentatively limited by location hole 25, is then successively positioned at diagonally adjacent respectively One mounting hole 26 and the second mounting hole 27, adjust final installation site and fixation finally by adjustment hole 28, to realize lower case 1 Accurate installation.

As shown in figure 4, four angles of the shift slot 3 are fixedly mounted on lower case by screwed assembly 16 under four groups 1 bottom, the lower screwed assembly 16 is cross recessed pan head tapping screw plain washer sub-assembly, such as Fig. 3 a and Figure 10 institute Show, the groove bottom at 3 middle part of shift slot is the shift curved surface 24 recessed along the arc of vehicle heading.

As shown in Fig. 3 b, Fig. 4 and Fig. 6, the gear lever 4, shift shaft 5 and permanent magnet 6 constitute shift bar assembly, In, the gear lever 4 is vertically arranged in the shell as composed by upper housing 2 and lower case 1, the shift shaft 5 and shift Bar 4 is vertically arranged, and the shift shaft 5 of plastic material is fixedly connected by way of injection molding with the gear lever 4 of metal material It is integrated, gear lever 4 executes shift control movement around the axis swing of shift shaft 5；The permanent magnet 6 directly passes through The mode of injection molding or bonding is fixedly connected on the end of shift shaft 5, and is located on the axis of shift shaft 5, so that gear lever 4, shaft 5 of shifting gears and permanent magnet 6, which are mutually connected, forms integral structure, which ensures permanent magnet 6 in the side X To in, Y-direction and Z-direction relative to the accurate of 18 position of circuit board assemblies, meanwhile, which also increases gear shift and turns The rigidity and intensity of axis 5 avoid gear shift shaft 5 and metal material are taken to rub larger drawback.

As shown in Fig. 3 b, Fig. 4 and Fig. 6, the circuit board assemblies 18 are vertically installed at the side of lower case 1 and turn with shift The end face of axis 5 is parallel, and in the circuit board assemblies 18, Hall switch 19 is mounted on the inside of circuit board, the Hall switch 19 be 3D (three-dimensional), 2.5D (two dimension to three-dimensional) or 2D (two dimension) Hall switch, Hall switch 19 in bar assembly of shifting gears forever Magnet 6 is corresponding, and 19 center of Hall switch is located on the axis of the shift shaft 5 in gear lever component, so that shift shaft 5 Central axis, the central axis of permanent magnet 6 and the central axis of Hall switch 19 overlap, that is, shift gears shaft 5 end The end face in face, the end face of permanent magnet 6 and Hall switch 19 is parallel to each other, and the end face of the end face of permanent magnet 6 and Hall switch 19 Between vertical range be 3mm-5mm.The outside of the circuit board assemblies 18 is equipped with board side backplate 14, the board side Backplate 14 is fixedly mounted on the outside of circuit board assemblies 18 by three groups of side screwed assemblies 17, to realize the circuit to inside The sealed dustproof of board group part is protected, wherein the side screwed assembly 17 is cross recessed pan head tapping screw.

As described above, shift shaft 5 will be along certainly when gear lever 4 rotates by a certain angle around the axis of shift shaft 5 The body axis identical angle of synchronous rotary therewith, and it is further driven to the identical angle of 6 synchronous rotary of permanent magnet of its shaft end, forever When magnet 6 rotates, due to the variation of itself rotation angle, so that itself magnetic flux can change, therefore can be with opposite Hall switch 19 is communicated, and the controller on circuit board assemblies 18 can work as permanent magnet 6 with what the communication of Hall switch 19 obtained Preceding shift signal passes to the control of the TCU of automatic block vehicle gearbox, the HCU of electric vehicle or other gear-shifting actuating mechanisms Device, to execute gear shifting action.

As previously mentioned, electronic gear shifter described in the utility model is 5 Self-resetting electronic gear shifters of rocker-type, runback There are two strokes forward in site, wherein first stroke can realize 3.5 ° -6 ° of parameter setting, second stroke and first stroke etc. Angle is, it can be achieved that 7 ° -12 ° of parameter setting, and there are two strokes backward in runback site, stroke angles backward with to forward journey Angle is consistent.Runback site forward rotational angle and gear shift operation with first stroke and second stroke backward when feel all It is real by the cooperation between gear lever 4 and the gear thimble 11 of its underpart, gear spring 10, buffer stopper 12 and shift slot 3 Existing, it is specific as follows:

As shown in Fig. 3 b, Fig. 4 and Fig. 6, the gear thimble 11 is mounted on the lower end of gear lever 4, and the gear lever 4 is gold Belong to material, preferably aluminum alloy material, and lower end is installation cavity, gear spring 10 is sleeved on gear thimble 11, gear thimble Out of, the installation cavity of 4 bottom of gear lever accent insertion gear lever 4, the upper end of gear spring 10 acts against gear lever at 11 tops Along upper in top on the inside of 4 installation cavity, the buffer stopper 12 is sleeved on the gear thimble 11 of 10 lower section of gear spring, institute Stating shift thimble 11 and buffer stopper 12 is plastic material, and preferably POM material, the lower end of gear spring 10 acts against buffer stopper 12 On, when gear spring 10 is compressed, the lower end of gear spring 10 will squeeze the buffer stopper 12 of POM material, so that buffer stopper 12 Expansion is generated, and is pressed between 4 inner wall of gear lever and gear spring 10, gear spring 10 and 4 inner wall of gear lever are avoided Direct friction collision.The top bulb of the gear thimble 11 is inserted into the 3 middle part notch of shift slot, and with shift 24 phase of curved surface Cooperation.Driver is when manipulating axis swing of the gear lever 4 along shift shaft 5, due to the gear of 4 lower end of gear lever Position thimble 11 is mounted in the groove of arc, therefore under the effect of the pressure of gear lever 4 and gear spring, the top of gear thimble 11 Bulb presses against on the shift curved surface 24 on shift slot 3, and moves in the X direction along shift curved surface 24.

Gear thimble 11 along shift curved surface 24 move in the X direction during, when gear lever 4 under the effect of external force It is the hunting range that anti-stop position thimble 11 exceeds design under the drive of gear lever 4 when significantly swinging, therefore in the shift The lower end of bar 4 and gear lever 4 are integrally equipped with a limited post 21, and the limited post 21 is arranged perpendicular to gear lever 4, and limits Position column 21 is set along the Y direction perpendicular to the moving direction of gear thimble 11, along the moving direction of gear thimble 11, On the side of the corresponding lower case 1 in the two sides of limited post 21, it is respectively equipped with limit vertical plate 22, the gear lever 4 is mobile in X-direction When, drive the gear thimble 11 of lower end is synchronous with limited post 21 to move in X direction, when gear thimble 11 is moved along shift curved surface 24 When to extreme position, the limit vertical plate 22 in the lower case 1 with corresponding side is interfered and realizes limit by the limited post 21 Position.It collides between limited post 21 and limit vertical plate 22 in order to reduce and generates vibration and noise, it is generally the case that technical staff's meeting One layer of vibration isolation rubber, different, technology described in the utility model are molded or vulcanized on the limit vertical plate 22 of lower case 1 Scheme is set with the vibration isolation rubber circle 9 of an O shape on the limited post 21, in the premise that can reach the same technical effect Under, structure is simpler, and cost is lower.

As previously mentioned, the vertical range between the end face of the permanent magnet 6 and the end face of Hall switch 19 is 3mm-5mm, Therebetween apart from it is excessive or it is too small not can guarantee the accuracy communicated therebetween, therefore permanent magnet 6 in the axial direction with Hall The positioning of the distance between switch 19 is particularly important.

As shown in figs. 4 and 7, on the lower section external peripheral surface of the shift shaft 5, along the circumference of shift shaft 5 Direction is equipped with half-turn positioning protrusion 20, and the positioning protrusion 20 is an integral structure with shift shaft 5, in present embodiment Described in positioning protrusion 20 have several, equably along shift shaft 5 circumferencial direction be distributed in shift shaft 5 lower section outer circle On circumferential surface, in addition, the positioning protrusion 20 can also be continuous fan-shaped for one, along being circumferentially disposed at for shift shaft 5 On the lower section outer circumference surface for shaft 5 of shifting gears；With the positioning protrusion 20 of shift shaft 5 lower section correspondingly, in the lower case 1 It is provided with arc groove, the arc groove of the positioning protrusion 20 and lower case 1, which matches, realizes the axially position of shift shaft 5, Gear shift can be realized by being fixed on the distance between permanent magnet 6 and the Hall switch 19 of shift 5 end of shaft positioning, the location structure Dimension chain between shaft 5 and the positioning surface of lower case 1 is minimum, it is ensured that the precise positioning between permanent magnet and Hall switch.

The shift shaft 5 generallys use PA66-GF30, PA6-GF30, PA66, the plastic materials such as PA6, and lower case 1 PA66-GF30 plastic material is generallyd use, shift shaft 5 and lower case 1 are material easy to wear, in order to avoid shaft 5 of shifting gears On positioning protrusion 20 and lower case 1 between directly contact friction generate abrasion and cause positioning accuracy to decline, such as Fig. 5 and Fig. 6 It is shown, shifting shaft limiting slot 8, the shifting shaft limit are equipped between the positioning protrusion 20 and the arc groove of lower case 1 Slot 8 uses wear-resisting POM plastic material, is the arc groove to match with positioning protrusion 20, positioning above shifting shaft limiting slot 8 Protrusion 20 is in the arc groove of shifting shaft limiting slot 8, and positioning protrusion 20 is along axial two lateral surface of front and back of shift shaft 5 It fitting with the arc groove medial surface of shifting shaft limiting slot 8, shifting shaft limiting slot 8 is embedded in the arc groove of shell 1, and It is fixed on shell 1 by the claw of 8 two sides of the bottom of shifting shaft limiting slot, and then realizes shift 5 axially position of shaft, the i.e. side Y To positioning.In addition, there are gap between the convex top of positioning protrusion 20 and the arc-shaped groove bottom of gear shaft limiting slot 8, Storing lubricating grease in this gap can further decrease the friction that shift shaft 5 is born.

As described above, the positioning between the permanent magnet 6 and Hall switch 19 in order to ensure shift 5 end of shaft is quasi- Really, shift shaft 5 is in addition to will be in the Y direction other than precise positioning, it is also necessary to the precise positioning on X and Z-direction.

As shown in Fig. 3 b, Fig. 4 and Fig. 6,5 both ends of shift shaft pass through a shift axle bed 7 respectively and are mounted on lower casing On body 1.The shift axle bed 7 is an axle sleeve, and the shaft end of the shift shaft 5 is mounted in the axle sleeve of shift axle bed 7, in institute The inner circumference side for stating axle sleeve is provided with a circle along the strip groove penetrated through axially back and forth, so that the inner circumference side and shift of axle sleeve A spaced bar shaped gap of circle is formed between the external peripheral surface of shaft 5, the storing lubricating grease in bar shaped gap can be into one Step reduces the friction that shift shaft 5 is born.The two sides of the shift axle bed 7 are equipped with symmetrical positioning plate, therewith to correspondence Ground is respectively provided with two positioning columns in 1 two sides of lower case, and two positioning columns are provided with locating slot opposite to each other, and described 7 liang of shift axle bed The positioning plate of side is inserted into the locating slot of corresponding side positioning column respectively, in addition, being additionally provided with one in the bottom of shift axle bed 7 Locating plate, the locating plate are arranged along the axial direction of shift shaft 5, i.e. Y-direction, correspond ground, below shift axle bed 7 Lower case 1 on be provided with a linear grooves, the linear grooves are arranged along the axial direction of shift shaft 5, i.e. Y-direction, described Axle bed 7 shift gears by being inserted into bottom limit film in the limiting groove of lower case 1, turns to realize shift axle bed 7 in shift 5 horizontal radial of axis, the i.e. positioning of X-direction；5 both ends of shift shaft are mounted in shift axle bed 7, therefore realize shift shaft 5 positioning in the X direction.In addition, the shift axle bed 7 is made of wear-resisting plastic materials such as POM, shift is effectively reduced Broken scouring damage between shaft 5 and matching parts.

As shown in Figure 4 and Figure 6, it is described shift shaft 5 both ends by shift gears axle bed 7 be mounted in lower case 1, it is described on Shell 2 is mounted on the top of lower case 1, and then shift axle bed 7 is installed thereunder.As shown in figure 9, the upper housing 2 Top two sides are semi-cylindrical, and shape and the top of shift axle bed 7 match, in upper housing 2 corresponding with shift axle bed 7 Inside top is equipped with limit rib 23, when the upper housing 2 matches with lower case 1 to be installed, the limit rib pressure at 2 top of upper housing Tightly in the upper surface of shift axle bed 7, realizes and the Z-direction of shifting shaft seat 7 is positioned, the design of the limit rib ensures plastic material When gear shift shaft seat is deformed due to itself or the external world, gear shift shaft 5 does not deviate by own axes position, realization pair The precise positioning for shaft 5 of shifting gears.

Claims (10)

1. for electric vehicle and the electronic gear shifter of traditional automatic car stopping, mainly by lower case (1), upper housing (2), circuit board group Part (18) and shift bar assembly composition, it is characterised in that:

Shift bar assembly is made of gear lever (4), shift shaft (5) and permanent magnet (6), the gear lever (4) and shift shaft (5) be mutually perpendicular to fix, the permanent magnet (6) coaxially be fixed on shift shaft (5) shaft end, and on circuit board assemblies (18) Hall switch (19) be located on same axis；

The outer circumference surface of shift shaft (5) is equipped with positioning protrusion (20), and lower case (1) is equipped with locating slot, the two phase The axially position of shift shaft (5) is realized in matching.

2. as described in claim 1 for electric vehicle and the electronic gear shifter of traditional automatic car stopping, it is characterised in that:

Shifting shaft limiting slot (8) are additionally provided between the positioning protrusion (20) of shift shaft (5) and the locating slot of lower case (1), The positioning protrusion (20) is in shifting shaft limiting slot (8), and the inside of positioning protrusion (20) and shifting shaft limiting slot (8) Along the axial interference fit of shift shaft (5), shifting shaft limiting slot (8) bottom is fixed on lower case by claw for end face (1) in locating slot.

3. as claimed in claim 2 for electric vehicle and the electronic gear shifter of traditional automatic car stopping, it is characterised in that:

Gap is equipped between the top of the positioning protrusion (20) and the bottom of shifting shaft limiting slot (8), and in the gap There is lubricating grease.

4. for electric vehicle and the electronic gear shifter of traditional automatic car stopping as described in Claims 2 or 3, it is characterised in that:

The shifting shaft limiting slot (8) is wear-resistant plastic material.

5. as described in claim 1 for electric vehicle and the electronic gear shifter of traditional automatic car stopping, it is characterised in that:

The shift shaft (5) is plastic material；

It is connected and is integrally formed by way of being molded or being bonded between the gear lever (4), shift shaft (5) and permanent magnet (6).

6. as described in claim 1 for electric vehicle and the electronic gear shifter of traditional automatic car stopping, it is characterised in that:

Limited post (21) are equipped with perpendicular to the lower end of the gear lever (4), and the limited post (21) is perpendicular to gear lever (4) The direction of motion, limited post (21) move forward and backward with gear lever (4) and are respectively equipped with limit vertical plate in the corresponding lower case in direction (1) (22), limited post (21) and limit vertical plate (22) interference form limit when gear lever (4) moves to the extreme position of setting；

Vibration isolation rubber circle (9) are set on the limited post (21).

7. as described in claim 1 for electric vehicle and the electronic gear shifter of traditional automatic car stopping, it is characterised in that:

The shift shaft (5) both ends are mounted on lower case (1) by shift axle bed (7), the shaft end of shift shaft (5) It is mounted in the axle sleeve of shift axle bed (7), the radially opposite sides of shift axle bed (7) are equipped with symmetrical positioning plate, and under The locating slot of shell (1) two sides matches grafting, is additionally provided with a locating plate, the locating plate in the bottom of shift axle bed (7) It is inserted into the limiting groove of lower case (1), to realize shift axle bed (7) along shift shaft (5) radial positioning.

8. as claimed in claim 7 for electric vehicle and the electronic gear shifter of traditional automatic car stopping, it is characterised in that:

It is described shift axle bed (7) axle sleeve inner circumference side on be provided with along axially through strip groove so that axle sleeve is interior Bar shaped gap is formed between circumference side and the external peripheral surface of shift shaft (5), has lubricating grease in bar shaped gap.

9. as claimed in claim 7 for electric vehicle and the electronic gear shifter of traditional automatic car stopping, it is characterised in that:

The top of shift axle bed (7) is fitted on lower case (1) by upper housing (2), and in upper housing (2), inside top is set Have limit rib (23), the limit rib (23) is pressed on the upper surface of shift axle bed (7), passes through upper housing (2) and lower case (1) Fastening, realize to be pressed on shift axle bed (7) along the vertical direction on positioning.

10. for electric vehicle and the electronic gear shifter of traditional automatic car stopping, feature as described in any one of claim 7-9 It is:

The shift axle bed (7) is wear-resistant plastic material.