阅读说明：本技术 一种新能源汽车及适用于新能源汽车的顶升装置 (New energy automobile and jacking device suitable for new energy automobile ) 是由 段付德 张智玮 宋飞 张世刚 陈诚 杨硕 薛佳斌 杨伟智 于 2021-08-06 设计创作，主要内容包括：本发明公开了一种新能源汽车及适用于新能源汽车的顶升装置,包括顶杆、轴套、支撑杆、底座、驱动齿轮和限位机构；所述顶杆与轴套螺纹咬合,所述顶杆能够随轴套转动而沿其轴线方向移动；所述轴套表面设有从动齿轮,所述驱动齿轮与从动齿轮相啮合,所述限位机构能够锁紧轴套以阻碍轴套转动；所述轴套安装于相互盖合的上盖和下盖之间,所述下盖底面与支撑杆的一端相连,所述支撑杆的另一端与底座相连。本发明结构简单,便于操作,安全性高,体积小,便于收纳。(The invention discloses a new energy automobile and a jacking device suitable for the new energy automobile, wherein the jacking device comprises a mandril, a shaft sleeve, a supporting rod, a base, a driving gear and a limiting mechanism; the ejector rod is meshed with the shaft sleeve through threads, and can move along the axis direction of the shaft sleeve along with the rotation of the shaft sleeve; the surface of the shaft sleeve is provided with a driven gear, the driving gear is meshed with the driven gear, and the limiting mechanism can lock the shaft sleeve to block the rotation of the shaft sleeve; the shaft sleeve is arranged between the upper cover and the lower cover which are mutually covered, the bottom surface of the lower cover is connected with one end of the supporting rod, and the other end of the supporting rod is connected with the base. The invention has simple structure, convenient operation, high safety, small volume and convenient storage.)

1. A jacking device suitable for a new energy automobile is characterized by comprising a mandril, a shaft sleeve, a supporting rod, a base, a driving gear and a limiting mechanism;

the ejector rod is meshed with the shaft sleeve through threads, and can move along the axis direction of the shaft sleeve along with the rotation of the shaft sleeve;

the surface of the shaft sleeve is provided with a driven gear, the driving gear is meshed with the driven gear, and the limiting mechanism can lock the shaft sleeve to block the rotation of the shaft sleeve;

the shaft sleeve is arranged between the upper cover and the lower cover which are mutually covered, the bottom surface of the lower cover is connected with one end of the supporting rod, and the other end of the supporting rod is connected with the base.

2. The jacking device suitable for the new energy automobile as claimed in claim 1, wherein the shaft sleeve comprises a first threaded sleeve and a shaft barrel which are fixedly connected, an internal thread is arranged inside the first threaded sleeve, the driven gear is arranged on the upper portion of the shaft barrel, and a first limiting groove is arranged on the lower portion of the shaft barrel.

3. The jacking device suitable for the new energy automobile as claimed in claim 2, wherein the ejector rod comprises a limiting block and a first screw rod which are fixedly connected, the limiting block is provided with a second limiting groove, and the outer surface of the first screw rod is provided with an external thread matched with the internal thread of the shaft sleeve;

the outer surface of the first screw is further provided with a third limiting groove extending along the axial direction, the ejector rod penetrates through the upper cover, and a first limiting bulge matched with the third limiting groove is arranged inside the upper cover.

4. The jacking device suitable for the new energy automobile as claimed in claim 2, wherein a plurality of first threaded holes are formed in the side surface of the lower cover, first screws are mounted in the first threaded holes, and the first screws penetrate through the first threaded holes and then are matched with the first limiting grooves to limit axial movement of the shaft sleeve.

5. The jacking device suitable for the new energy automobile as claimed in claim 1, wherein a first thrust bearing is arranged on the upper end face of the shaft sleeve, and a second thrust bearing is arranged on the lower end face of the shaft sleeve;

a first step for mounting a first thrust bearing is arranged in the upper cover, and a second step for mounting a second thrust bearing is arranged in the lower cover;

first thrust bearing internally mounted has first sealed the pad, second thrust bearing internally mounted has the sealed pad of second.

6. The jacking device suitable for the new energy automobile as claimed in claim 1, wherein the driving gear is connected with a driving shaft, an end of the driving shaft is provided with an inner hexagonal groove, a first ball bearing is mounted on the surface of the driving shaft, the side surfaces of the upper cover and the lower cover are respectively provided with a first bearing seat and a second bearing seat which can be mutually covered, and the first ball bearing is mounted between the first bearing seat and the second bearing seat.

7. The jacking device suitable for the new energy automobile as claimed in claim 1, wherein a second threaded sleeve is connected to the lower cover, the second threaded sleeve is mounted at the upper end of the supporting rod, and threads on the inner surface of the second threaded sleeve are meshed with threads on the outer surface of the upper end of the supporting rod.

8. The jacking device suitable for the new energy automobile is characterized in that the limiting mechanism comprises a one-way gear and a limiting component, the one-way gear is mounted on the surface of a shaft sleeve, the limiting component can block the rotation of the one-way gear, a fourth limiting groove extending along the axial direction is formed in the surface of the shaft sleeve, and a second limiting protrusion matched with the fourth limiting groove is formed in the one-way gear.

9. The jacking device suitable for the new energy automobile is characterized in that the limiting assembly comprises a locking pin, a sliding sleeve, an unlocking knob and a first spring installed in the sliding sleeve;

the lock pin sequentially penetrates through the first spring, the sliding sleeve and the unlocking knob, the tail part of the lock pin is fixed by the first split pin, and the head part of the lock pin can be clamped with the one-way gear;

the sliding sleeve is arranged between the upper cover and the lower cover, one end face of the sliding sleeve facing the unlocking knob is provided with two outer lugs, the two outer lugs are symmetrically arranged, a fifth limiting groove is formed between the two outer lugs, and the outer end faces of the two outer lugs are provided with sixth limiting grooves;

and a third limiting bulge which can be clamped with the fifth limiting groove and the sixth limiting groove is arranged on one end surface of the unlocking knob facing the sliding sleeve.

10. The new energy automobile is characterized by comprising the jacking device suitable for the new energy automobile in any one of claims 1-9.

Technical Field

The invention belongs to the technical field of new energy automobiles, and particularly relates to a new energy automobile and a jacking device suitable for the new energy automobile.

Background

The new energy automobile adopts unconventional automobile fuel as a power source, or uses conventional automobile fuel, adopts a novel vehicle-mounted power device, integrates advanced technologies in the aspects of power control and driving of the automobile, forms an automobile with advanced technical principle, new technology and new structure, and comprises a pure electric automobile, an extended range electric automobile, a hybrid electric automobile, a fuel cell electric automobile, a hydrogen engine automobile and the like.

In order to deal with the possible deflation of the vehicle tires, the vehicle needs to be lifted up to replace the spare tire. The existing jacking device suitable for the new energy automobile utilizes thread self-locking to keep the jacking height, the safety is not high, and the device is large in size.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides a new energy automobile and a jacking device suitable for the new energy automobile, which are simple in structure, convenient to operate, high in safety, small in size and convenient to store.

The invention provides the following technical scheme:

a jacking device suitable for a new energy automobile comprises a mandril, a shaft sleeve, a supporting rod, a base, a driving gear and a limiting mechanism;

the ejector rod is meshed with the shaft sleeve through threads, and can move along the axis direction of the shaft sleeve along with the rotation of the shaft sleeve;

the surface of the shaft sleeve is provided with a driven gear, the driving gear is meshed with the driven gear, and the limiting mechanism can lock the shaft sleeve to block the rotation of the shaft sleeve;

the shaft sleeve is arranged between the upper cover and the lower cover which are mutually covered, the bottom surface of the lower cover is connected with one end of the supporting rod, and the other end of the supporting rod is connected with the base.

Further, the shaft sleeve comprises a first threaded sleeve and a shaft barrel which are fixedly connected, an internal thread is arranged inside the first threaded sleeve, the driven gear is arranged on the upper portion of the shaft barrel, and a first limiting groove is formed in the lower portion of the shaft barrel.

Further, the ejector rod comprises a limiting block and a first screw rod which are fixedly connected, the limiting block is provided with a second limiting groove, and the outer surface of the first screw rod is provided with an external thread matched with the internal thread of the shaft sleeve;

the outer surface of the first screw is further provided with a third limiting groove extending along the axial direction, the ejector rod penetrates through the upper cover, and a first limiting bulge matched with the third limiting groove is arranged inside the upper cover.

Furthermore, a plurality of first threaded holes are formed in the side face of the lower cover, first screws are installed in the first threaded holes, and the first screws penetrate through the first threaded holes and then are matched with the first limiting grooves to limit axial movement of the shaft sleeve.

Furthermore, a first thrust bearing is arranged on the upper end face of the shaft sleeve, and a second thrust bearing is arranged on the lower end face of the shaft sleeve;

a first step for mounting a first thrust bearing is arranged in the upper cover, and a second step for mounting a second thrust bearing is arranged in the lower cover;

first thrust bearing internally mounted has first sealed the pad, second thrust bearing internally mounted has the sealed pad of second.

Further, drive gear is connected with the drive shaft, the drive shaft tip is equipped with the hexagon socket head cap recess, drive shaft surface mounting has first ball bearing, upper cover and lower cover side are equipped with first bearing frame and the second bearing frame that can close each other respectively, first ball bearing installs between first bearing frame and second bearing frame.

Furthermore, the lower cover is connected with a second threaded sleeve, the second threaded sleeve is installed at the upper end of the supporting rod, and threads on the inner surface of the second threaded sleeve are meshed with threads on the outer surface of the upper end of the supporting rod.

Furthermore, stop gear is including installing in the one-way gear on axle sleeve surface and can hindering the spacing subassembly of one-way gear pivoted, the axle sleeve surface is equipped with along axially extended fourth spacing groove, one-way gear inside be equipped with fourth spacing groove matched with second spacing arch.

Further, the limiting assembly comprises a lock pin, a sliding sleeve, an unlocking knob and a first spring arranged in the sliding sleeve;

the lock pin sequentially penetrates through the first spring, the sliding sleeve and the unlocking knob, the tail part of the lock pin is fixed by the first split pin, and the head part of the lock pin can be clamped with the one-way gear;

the sliding sleeve is arranged between the upper cover and the lower cover, one end face of the sliding sleeve facing the unlocking knob is provided with two outer lugs, the two outer lugs are symmetrically arranged, a fifth limiting groove is formed between the two outer lugs, and the outer end faces of the two outer lugs are provided with sixth limiting grooves;

and a third limiting bulge which can be clamped with the fifth limiting groove and the sixth limiting groove is arranged on one end surface of the unlocking knob facing the sliding sleeve.

The new energy automobile comprises the jacking device suitable for the new energy automobile.

Compared with the prior art, the invention has the beneficial effects that:

(1) the axle sleeve is driven to rotate by rotating the driving gear, and the lifting and the descending of the ejector rod are controlled by utilizing the occlusion of the threads, so that the vehicle can be conveniently jacked to replace the spare tire, and the operation is convenient;

(2) the shaft sleeve is locked by the limiting mechanism to block the shaft sleeve from rotating, so that the descending of the ejector rod is limited, the self-locking purpose is achieved, and the safety is high;

(3) the invention has simple structure, convenient operation, small volume and convenient storage.

Drawings

FIG. 1 is an isometric view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a sectional view taken in the direction B-B in FIG. 3;

FIG. 6 is a schematic structural view of the carrier rod;

FIG. 7 is a schematic view of the construction of the bushing;

FIG. 8 is a schematic view of a one-way gear;

FIG. 9 is a schematic view showing an outer structure of the upper cover;

FIG. 10 is a schematic view showing an inner structure of the upper cover;

FIG. 11 is a schematic view showing an inner structure of a lower cover;

FIG. 12 is a schematic view showing an outer structure of a lower cover;

FIG. 13 is a schematic structural view of the sliding sleeve;

FIG. 14 is a schematic view of the release knob;

labeled as: 1-ejector rod, 101-second limiting groove, 102-external thread, 103-third limiting groove, 104-limiting block, 105-first screw rod, 2-upper cover, 201-first through hole, 202-first limiting bulge, 203-first step, 204-first bearing seat, 205-first semicircular groove, 3-driving gear, 4-first ball bearing, 5-first screw, 6-lower cover, 601-second semicircular groove, 602-second bearing seat, 603-first threaded hole, 604-second step, 605-second thread sleeve, 7-first thrust bearing, 8-one-way gear, 801-one-way tooth, 802-second limiting bulge, 9-shaft sleeve, 901-internal thread, 902-first limiting groove, 903-driven gear, 904-fourth limiting groove, 905-first threaded sleeve, 906-shaft barrel, 10-second thrust bearing, 11-supporting rod, 12-base, 13-first spring, 14-unlocking knob, 1401-third limiting protrusion, 15-first split pin, 16-sliding sleeve, 1601-sixth limiting groove, 1602-fifth limiting groove, 1603-ring groove, 1604-outer bump, 17-locking pin, 18-first sealing gasket and 19-second sealing gasket.

Detailed Description

The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

It should be noted that in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention but do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Example 1

As shown in fig. 1 to 5, the embodiment provides a jacking device suitable for a new energy automobile, which includes a top rod 1, a shaft sleeve 9, a support rod 11, a base 12, a driving gear 3 and a limiting mechanism; the mandril 1 is meshed with the shaft sleeve 9 through threads, and the mandril 1 can move along the axial direction of the shaft sleeve 9 along with the rotation of the shaft sleeve 9; a driven gear 903 is arranged on the surface of the shaft sleeve 9, the driving gear 3 is meshed with the driven gear 903, and the limiting mechanism can lock the shaft sleeve 9 to prevent the shaft sleeve 9 from rotating; the shaft sleeve 9 is arranged between the upper cover 2 and the lower cover 6 which are mutually covered, the bottom surface of the lower cover 6 is connected with one end of the supporting rod 11, and the other end of the supporting rod 11 is connected with the base 12.

As shown in fig. 7, the shaft sleeve 9 includes a first threaded sleeve 905 and a shaft barrel 906 which are fixedly connected, an internal thread 901 is provided inside the first threaded sleeve 905, a driven gear 903 is provided on an upper portion of the shaft barrel 906, and a first limit groove 902 is provided on a lower portion.

As shown in fig. 6, 9 and 10, the carrier rod 1 includes a limiting block 104 and a first screw 105 which are fixedly connected, the limiting block 104 is provided with a second limiting groove 101 for being clamped with the vehicle side beam, and the outer surface of the first screw 105 is provided with an external thread 102 matched with the internal thread 901 of the shaft sleeve 9; the outer surface of the first screw 105 is further provided with a third limiting groove 103 extending along the axial direction, the ejector rod 1 penetrates through the first through hole 201 of the upper cover 2, and a first limiting protrusion 202 matched with the third limiting groove 103 is arranged inside the upper cover 2 and can limit the ejector rod 1 to rotate.

As shown in fig. 2, 5, 11 and 12, the side surface of the lower cover 6 is provided with a plurality of first threaded holes 603, in this embodiment, four first threaded holes 603 are provided, first screws 5 are installed in the first threaded holes 603, and the first screws 5 are matched with the first limiting groove 902 after passing through the first threaded holes 603 to limit the axial movement of the shaft sleeve 9.

As shown in fig. 2, 4 and 9-12, the upper end surface of the shaft sleeve 9 is provided with a first thrust bearing 7, and the lower end surface is provided with a second thrust bearing 10; a first step 203 for installing a first thrust bearing 7 is arranged inside the upper cover 2, and a second step 604 for installing a second thrust bearing 10 is arranged inside the lower cover 6; the first thrust bearing 7 is internally provided with a first sealing gasket 18, the second thrust bearing 10 is internally provided with a second sealing gasket 19, and the two sealing gaskets have sealing functions.

As shown in fig. 2 and 4, the driving gear 3 is connected with a driving shaft, the end of the driving shaft is provided with an inner hexagonal groove, the surface of the driving shaft is provided with a first ball bearing 4, the side surfaces of the upper cover 2 and the lower cover 6 are respectively provided with a first bearing seat 204 and a second bearing seat 602 which can be mutually covered, and the first ball bearing 4 is arranged between the first bearing seat 204 and the second bearing seat 602.

As shown in fig. 2 and 12, a second screw bushing 605 is coupled to the lower cap 6, the second screw bushing 605 is mounted on the upper end of the support rod 11, and the screw thread of the inner surface of the second screw bushing 605 is engaged with the screw thread of the outer surface of the upper end of the support rod 11.

As shown in fig. 2, 7 and 8, the limiting mechanism includes a one-way gear 8 mounted on the surface of a shaft sleeve 9 and a limiting component capable of blocking the rotation of the one-way gear 8, a fourth limiting groove 904 extending along the axial direction is provided on the surface of the shaft sleeve 9 (i.e., the first threaded sleeve 905), and a second limiting protrusion 802 matched with the fourth limiting groove 904 is provided inside the one-way gear 8.

All thread structures in this embodiment are right-hand threads.

Example 2

The embodiment provides a jacking device suitable for a new energy automobile, which comprises the structure in the embodiment 1, wherein as shown in fig. 2 and 5, the limiting assembly comprises a locking pin 17, a sliding sleeve 16, an unlocking knob 14 and a first spring 13 arranged in the sliding sleeve 16; the lock pin 17 sequentially penetrates through the first spring 13, the sliding sleeve 16 and the unlocking knob 14, the tail part of the lock pin is fixed by the first split pin 15, and the head part of the lock pin 17 can be clamped with the one-way gear 8; as shown in fig. 10, 11 and 13, a ring groove 1603 is formed on a body of the sliding sleeve 16, the upper cover 2 and the lower cover 6 are respectively provided with a first semicircular groove 205 and a second semicircular groove 601 matched with the ring groove 1603, so that the sliding sleeve 16 is installed between the upper cover 2 and the lower cover 6, one end surface of the sliding sleeve 16 facing the unlocking knob 14 is provided with two outer protrusions 1604, the two outer protrusions 1604 are symmetrically arranged, a fifth limiting groove 1602 is formed between the two outer protrusions 1604, and the outer end surfaces of the two outer protrusions 1604 are provided with a sixth limiting groove 1601; as shown in fig. 14, a third stopper 1401 capable of engaging with the fifth stopper groove 1602 and the sixth stopper groove 1601 is provided on one end surface of the unlocking knob 14 facing the slide bush 16.

Example 3

The embodiment provides a new energy automobile, including embodiment 1 or 2 the jacking device that is applicable to new energy automobile.

The working principle of the invention is as follows:

place jacking device under the vehicle boundary beam at first, the second spacing groove 101 of ejector pin 1 faces under the vehicle boundary beam, base 12 and ground contact, install the hexagon socket head cap spanner in the hexagon socket head cap groove of the drive shaft that links to each other with drive gear 3, clockwise rotation hexagon socket head cap spanner, drive gear 3 clockwise rotation, drive gear 3 meshes with driven gear 903, thereby drive axle sleeve 9 clockwise rotation, ejector pin 1 and axle sleeve 9 utilize the screw thread interlock, make ejector pin 1 upward movement, under the effect of first spacing arch 202 and third spacing groove 103, ejector pin 1 can not be along with axle sleeve 9 is rotatory together.

When the ejector rod 1 rises to a certain height to jack up the vehicle, the ejector rod 1 and the shaft sleeve 9 realize thread self-locking to keep the height unchanged, so that first heavy safety protection is realized. The one-way gear 8 is relatively fixed with the shaft sleeve 9 because the second limit bulge 802 inside the one-way gear is matched with the first limit groove 902 on the surface of the shaft sleeve 9; the unlocking knob 14 is rotated to clamp the third limiting protrusion 1401 in the fifth limiting groove 1602, at this time, the first spring 13 is compressed and applies pressure to the lock pin 17, the head of the lock pin 17 is clamped in the tooth gap of the one-way gear 8 to limit the rotation of the one-way gear 8, so that the purpose of locking the shaft sleeve 9 is achieved, the height of the ejector rod 1 is kept unchanged, and secondary safety protection is achieved.

After the vehicle maintenance operation is finished, the unlocking knob 14 is pulled out and rotated, the third limiting protrusion 1401 is clamped in the sixth limiting groove 1601, the first spring 13 extends to restore the original state, no pressure is applied to the lock pin 17, and the lock pin 17 unlocks the one-way gear 8 and the shaft sleeve 9; at this time, the hexagonal wrench is rotated counterclockwise, and the jack 1 can be lowered.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.