CN210068808U

CN210068808U - Caliper structure and vehicle with same

Info

Publication number: CN210068808U
Application number: CN201920583834.8U
Authority: CN
Inventors: 康乐; 冀红超
Original assignee: BAIC Motor Co Ltd
Current assignee: BAIC Motor Co Ltd
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2020-02-14
Anticipated expiration: 2029-04-25

Abstract

The utility model discloses a calliper structure and vehicle that has it, calliper structure include drive division, clamping device and transmission, and clamping device includes two clamping portions, and drive division and clamping device are located transmission along transmission's transmission line direction relative both ends respectively, and the drive division is suitable for through transmission drive clamping device to make the relative distance of two clamping portions reduce. According to the utility model discloses calliper structure can prevent that calliper structure is skew at the focus of transmission department, makes transmission work more stable to the work that makes calliper structure is more stable.

Description

Caliper structure and vehicle with same

Technical Field

The utility model relates to a vehicle manufacturing field particularly, relates to a caliper structure and vehicle that has it.

Background

In the related art, a caliper structure is arranged in a vehicle, and when the vehicle brakes, the caliper structure clamps a wheel to apply friction force to the wheel, so that the vehicle is braked. The driving device of the existing caliper structure relatively moves the clamping jaws of the caliper structure through the transmission device so as to enable the two clamping jaws to be close to each other and clamp wheels of a vehicle.

Because the existing caliper structure needs to enable the straight gear of the driving shaft and the straight gear of the transmission shaft to be meshed with each other, the driving shaft needs to be arranged in a position parallel to the transmission shaft, namely, the driving device needs to be arranged on the radial side surface of the transmission shaft. However, the other end of the drive shaft requires power to be transmitted to the jaws, which are disposed at the axial end of the drive shaft, to cause the jaws to grip the wheel. The arrangement positions of the clamping jaws, the driving device and the transmission device can increase the radial width of the caliper structure, so that the caliper structure is difficult to arrange at a wheel, and the gravity center of the caliper structure at the transmission device deviates, so that the caliper structure is unstable in work.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. To this end, a first aspect of the present invention provides a caliper structure that works more stably at least to some extent.

A second aspect of the present invention provides a vehicle having the above caliper structure.

According to the utility model discloses first aspect calliper structure, including drive division, clamping device and transmission, clamping device includes two clamping portions, the drive division with clamping device is located respectively transmission follows transmission's the transmission line direction is relative both ends, the drive division is suitable for through the transmission drive clamping device, so that two the relative distance of clamping portion reduces.

According to the utility model discloses first aspect the calliper structure, can prevent that the centre of gravity of calliper structure in transmission department is skew, make transmission work more stable to the work that makes the calliper structure is more stable.

According to calliper structure, transmission include: the first bevel gear is perpendicular to and meshed with the second bevel gear, and the first bevel gear is arranged on a driving shaft of the driving part.

Further, the first bevel gear and the second bevel gear are helical bevel gears.

Further, the transmission device further comprises a screw rod and a threaded sleeve, the threaded sleeve is fixed to one of the clamping portions, the screw rod is in threaded fit with the threaded sleeve, and the second bevel gear is suitable for driving the screw rod to rotate relative to the threaded sleeve so as to drive the threaded sleeve to move towards the other clamping portion.

Still further, the caliper structure further includes a housing having a drive portion receiving slot and a transmission receiving slot therein.

Furthermore, the shell is provided with a bevel gear rotating shaft extending into the transmission accommodating groove, and the second bevel gear is suitable for being sleeved on the bevel gear rotating shaft.

Furthermore, the transmission device further comprises a planetary gear set, the screw is fixed with a planet carrier of the planetary gear set, the second bevel gear is fixed with a sun gear of the planetary gear set, and the screw and the second bevel gear are respectively positioned on two opposite sides of the planetary gear set.

Still further, the housing is circumferentially provided with a spline tooth section in the circumferential direction of the transmission accommodating groove, the spline tooth section forming a ring gear of the planetary gear set.

Still further, the housing includes an outer housing adapted to be engaged with the inner housing to jointly form the driving part receiving groove and the transmission receiving groove, and an inner housing, and the bevel gear rotating shaft is provided on the outer housing and extends along the inner housing.

According to the second aspect of the present invention, a vehicle is provided with the caliper structure according to the first aspect of the present invention.

According to the utility model discloses the second aspect vehicle, calliper structure simple to operate in the car, and calliper structure can guarantee that the vehicle effectively brakies, promotes driving safety.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is an external structural schematic diagram of a caliper structure according to an embodiment of the present invention;

fig. 2 is a schematic view of an internal structure of a caliper structure according to an embodiment of the present invention;

fig. 3 is a schematic view of the engagement between the driving part and the planetary gear set at an angle according to the embodiment of the present invention;

fig. 4 is a schematic view of the engagement between the driving part and the planetary gear set at another angle according to the embodiment of the present invention.

Reference numerals:

the caliper structure 100, the driving portion 1, the driving motor 11, the first bevel gear 12, the clamping device 2, the clamping portion 21, the transmission 3, the second bevel gear 31, the planetary gear set 32, the sun gear 321, the planetary gear 322, the planet carrier 323, the screw 33, the threaded sleeve 34, the housing 4, the inner housing 41, the spline tooth section 411, the outer housing 42, the bevel gear rotating shaft 421, the driving portion accommodating groove 43, and the transmission accommodating groove 44.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "inner", "outer", "axial", "radial", "circumferential", 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 description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The invention is described below with reference to specific embodiments in conjunction with the accompanying drawings.

A caliper structure 100 according to an embodiment of the present invention will be described first with reference to fig. 1 to 4.

As shown in fig. 1-4, the caliper structure 100 according to the embodiment of the present invention may include a driving portion 1, a clamping device 2 and a transmission device 3, the clamping device 2 includes two clamping portions 21, the driving portion 1 and the clamping device 2 are respectively located at two opposite ends of the transmission device 3 along a transmission axis direction of the transmission device 3 (i.e., a dotted line direction in fig. 2) (for example, the driving portion 1 and the clamping device 2 are respectively located at two axial ends of the transmission device 3), and the driving portion 1 is adapted to drive the clamping device 2 through the transmission device 3, so that a relative distance between the two clamping portions 21 is reduced, thereby enabling the two clamping portions 21 to clamp a wheel and other components of a vehicle together, and achieving a clamping function of the caliper structure 100.

According to the utility model discloses calliper structure 100 through making drive division 1 and clamping device 2 be located the relative both ends of transmission 3 respectively, can prevent that calliper structure 100 is skew at the focus of transmission 3 department, makes transmission 3 work more stable to the work that makes calliper structure 100 is more stable. In addition, since the transmission device 3 is generally located at the wheel, after the driving portion 1 moves from the side of the transmission device to the end of the transmission device, the driving portion 1 can be located in the vehicle, so that the driving portion 1 does not occupy a narrow space at the wheel, and the arrangement of the caliper structure 100 in the vehicle is facilitated.

In some alternative embodiments of the present invention, as shown in fig. 2, the transmission 3 comprises: a first bevel gear 12 and a second bevel gear 31, wherein the first bevel gear 12 is perpendicular to and meshed with the second bevel gear 31, and the first bevel gear 12 is arranged on the driving shaft of the driving part 1. The second bevel gear 31 is located at one end of the driving part 1 on the transmission axis of the transmission device 3, and the driving part 1 transmits power to the second bevel gear 31 through the first bevel gear 12 on the driving shaft. Therefore, the driving part 1 can be ensured to stably transmit power to the transmission device 3, and the driving part 1 and the transmission device 3 can be vertically arranged, so that the whole caliper structure 100 can be conveniently arranged in a vehicle.

More specifically, as shown in fig. 2 to 4, the driving part 1 includes a driving motor 11, and an output shaft of the driving motor 11 is sleeved with a first bevel gear 12, so that the driving motor 11 can apply a driving force to the transmission 3 through the first bevel gear 12.

Specifically, the first bevel gear 12 and the second bevel gear 31 are helical bevel gears. Thereby, a stable transmission between the first bevel gear 12 and the second bevel gear 31 can be ensured to ensure that the driving part 1 stably transmits power to the transmission 3.

Specifically, as shown in fig. 2, the transmission device 3 further includes a screw 33 and a screw sleeve 34, the screw sleeve 34 is fixed to one of the clamping portions 21, the screw 33 is externally provided with an external thread, the screw sleeve 34 is internally provided with an internal thread matching with the external thread of the screw 33, the screw 33 at least partially extends into the screw sleeve 34, so that the screw 33 is in threaded fit with the screw sleeve 34, the second bevel gear 31 is adapted to drive the screw 33 to rotate relative to the screw sleeve 34, for example, in some embodiments, the second bevel gear 31 is coaxially connected with the screw 33 to rotate, so that the screw sleeve 34 moves along the axial direction of the screw 33 due to the threaded fit of the screw 33 and the screw sleeve 34, so that the screw sleeve 34 drives the one of the clamping portions 21 connected with the screw sleeve 34 to approach or move away from the other clamping portion 21, thereby clamping or loosening.

More specifically, as shown in fig. 2 to 4, the transmission 3 further includes the planetary gear set 32, the screw 33 is fixed with the carrier 323 of the planetary gear set 32, the second bevel gear 31 is fixed with the sun gear 321 of the planetary gear set 32, the sun gear 321 drives the carrier 323 to rotate through 3 planetary gear paths 322, the outermost ring gear does not rotate, and the screw 33 and the second bevel gear 31 are respectively located at two opposite sides of the planetary gear set 32. Thus, the transmission device 3 can transmit power to the clamping portion 21 more stably through the planetary gear set 32, and the operation of the caliper structure 100 is more stable.

Specifically, as shown in fig. 2, the outer peripheral surface of the tail portion of the second bevel gear 31 may be provided with gear teeth therearound to form a sun gear 321.

More specifically, as shown in fig. 1-4, the caliper structure 100 further includes a housing 4, the housing 4 having a drive portion receiving slot 43 and a transmission receiving slot 44 therein. At least a portion of the transmission 3 (e.g., the second bevel gear 31 and the planetary gear set 32) may be received in the transmission receiving groove 44, and the driving part 1 may be received in the driving part receiving groove 43. Therefore, the shell 4 can protect and position the driving part 1 and at least part of the transmission device 3, and the normal work of the driving part 1 and the transmission device 3 is ensured.

More specifically, as shown in fig. 2, the housing 4 is provided with a spline tooth section 411 circumferentially around the transmission accommodating groove 44, the spline tooth section 411 forming a ring gear of the planetary gear set 32. Thereby, the ring gear can be collectively provided on the housing 4, and the internal structure of the caliper structure 100 is simpler.

More specifically, as shown in fig. 2, the housing 4 has a bevel gear rotating shaft 421 extending into the transmission accommodating groove 44, and the second bevel gear 31 is adapted to be fitted over the bevel gear rotating shaft 421. Thereby, the second bevel gear 31 can be positioned in the housing 4, and the second bevel gear 31 is rotationally stable, ensuring stable force transmission of the transmission device 3.

More specifically, as shown in fig. 2 to 4, the housing 4 includes an outer housing 42 and an inner housing 41, the outer housing 42 is adapted to be fastened with the inner housing 41 to collectively form a driving part receiving groove 43 and a transmission receiving groove 44, and a bevel gear rotating shaft 421 is provided on the outer housing 42 and extends along the inner housing 41. The outer housing 4 and the inner housing 41 are detachable to facilitate installation and maintenance of the transmission 3 and the drive part 1.

The following describes a vehicle of an embodiment of the present invention.

The utility model discloses vehicle is equipped with has the calliper structure 100 of any kind of above-mentioned embodiment of the utility model discloses.

According to the utility model discloses vehicle, through setting up calliper structure 100, calliper structure 100 simple to operate in the car, and calliper structure can guarantee that the vehicle effectively brakies, promotes driving safety.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A caliper structure, comprising:

a drive section;

a clamping device comprising two clamping portions;

the driving part and the clamping device are respectively positioned at two opposite ends of the transmission device in the direction of a transmission axis of the transmission device, and the driving part is suitable for driving the clamping device through the transmission device so as to reduce the relative distance between the two clamping parts.

2. Caliper structure according to claim 1, characterized in that said transmission means comprise: the first bevel gear is perpendicular to and meshed with the second bevel gear, and the first bevel gear is arranged on a driving shaft of the driving part.

3. The caliper structure of claim 2 wherein the first and second bevel gears are helically toothed bevel gears.

4. Caliper structure according to claim 2, characterized in that said transmission means further comprise: the screw rod is in threaded fit with the threaded sleeve, and the second bevel gear is suitable for driving the screw rod to rotate relative to the threaded sleeve so as to drive the threaded sleeve to move towards the other clamping device.

5. The caliper structure of claim 4 further comprising: a housing having a drive portion receiving slot and a transmission receiving slot therein.

6. The caliper structure of claim 5 wherein said housing has a bevel gear axis of rotation extending into said transmission receiving slot, said second bevel gear being adapted to fit over said bevel gear axis of rotation.

7. Caliper structure according to claim 5, characterized in that said transmission means further comprise: the screw is fixed with a planet carrier of the planetary gear set, the second bevel gear is fixed with a sun gear of the planetary gear set, and the screw and the second bevel gear are respectively positioned on two opposite sides of the planetary gear set.

8. The caliper structure of claim 7 wherein the housing is provided with a splined tooth segment circumferentially surrounding the transmission receiving slot, the splined tooth segment forming a ring gear of the planetary gear set.

9. The caliper structure of claim 6 wherein the housing comprises: outer casing and interior casing, the outer casing be suitable for with interior casing lock is in order to form jointly the drive division holding tank with the transmission holding tank, the bevel gear rotation axis sets up on the outer casing and along interior casing extends.

10. A vehicle characterized by comprising a caliper structure according to any one of claims 1 to 9.