Driving transmission device of vehicle brake, vehicle brake and vehicle

Abstract

The utility model provides a driving transmission device of a vehicle brake, the vehicle brake and a vehicle, the driving transmission device comprises a motor and a motor shell, the motor is placed in a containing cavity of the motor shell, the motor shell extends towards the side at an opening of the containing cavity to form a transmission frame, and the transmission frame is connected with the motor shell. The transmission frame is provided with a torque output hole ring beside the accommodating cavity; the motor end cover is used for closing the opening of the accommodating cavity, the output end of the motor extends to the outer side of the motor end cover from the central cavity of the motor end cover, and the outer side of the motor end cover is provided with an assembly fixing part of a transmission part; and the transmission part is fixedly arranged on the transmission frame and the motor end cover and is used for transmitting the output torque of the motor to the torque output hole ring and outputting the output torque. The driving transmission device provided by the utility model has higher integration degree through ingenious structural design, simplifies the assembly process, ensures the positioning accuracy of assembly, and improves the use performance of parts.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle brake device structure, especially a kind of driving transmission device of vehicle brake. BACKGROUND

[0002] Brake is the core of vehicle safety, especially in high-speed driving or sudden situation, such as pedestrian crossing, obstacle appears, reliable braking system can slow down or stop quickly, avoid accidents. Although the complex assembly structure of brake of electric vehicle in prior art improves performance and functional integration, it also brings a series of drawbacks.

[0003] For example, the number of parts is large, the assembly precision is high, the brake system of different vehicle models needs customized design, it is difficult to realize batch mechanical automatic production, and the research and development and production cost are increased. At the same time, the complicated parts increase the weight and space occupation of device components, and the chassis space needs to be shared with battery, power motor and other components in assembly, which may occupy the layout space of other key components, such as heat management system. Complex structure design also increases the complexity and labor cost of maintenance.

[0004] In order to overcome the above-mentioned defects existing in prior art, the technical field urgently needs a driving transmission device of vehicle brake, which is used to realize the driving transmission function of integrated brake device, improve the integration of brake components, and realize mechanical automatic production through standardized modularized part structure, reduce labor cost while ensuring assembly precision, and improve production efficiency. SUMMARY

[0005] The following gives a brief summary of one or more aspects to provide a basic understanding of these aspects. This summary is not an exhaustive overview of all contemplated aspects, and neither is it intended to identify key or critical elements of all aspects nor to delineate the scope of any or all aspects. Its only purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed description given later.

[0006] In order to overcome the above-mentioned defects existing in prior art, the utility model provides a kind of driving transmission device of vehicle brake, comprising: motor and motor shell, the motor is placed in the cavity of the motor shell, the motor shell extends to the side to form transmission frame at the opening of the cavity, the transmission frame is provided with torque output hole ring at the side of the cavity;Motor end cover, for closing the opening of the cavity, the output end of the motor extends to the outside of the motor end cover by the central hollow of the motor end cover, the outside of the motor end cover is equipped with the assembly fixed part of transmission component;And transmission component, fixedly installed on the transmission frame and the motor end cover, for the output torque of the motor is transmitted to the torque output hole ring and is exported.

[0007] In an embodiment, preferably, the transmission frame is provided with an end cover positioning pin for cooperating with a positioning portion on the motor end cover to position the installation angle of the motor end cover.

[0008] In an embodiment, preferably, the motor output shaft fixing sleeve is provided with a motor gear, the transmission component comprises a motor gear, an intermediate gear and a torque output gear in sequence, and the assembly fixing portion on the motor end cover comprises a first positioning pin for assembling and positioning the intermediate gear.

[0009] In an embodiment, preferably, the first positioning pin is provided with a supporting portion, so that the intermediate gear and the torque output gear work in the same plane to mesh with each other.

[0010] In an embodiment, preferably, the transmission component further comprises a planetary gear set, the torque output gear and a sun gear of the planetary gear set are fixed by shaft connection, and the side wall inner periphery of the torque output hole ring is provided with a gear ring cooperating with the planetary gear set, and the motor output torque is transmitted to the planetary gear set and then output from the torque output hole ring.

[0011] In an embodiment, preferably, the side wall of the torque output hole ring protrudes upward on the transmission frame, the gear ring is assembled and connected to the inner periphery of the side wall of the torque output hole ring, and the height of the side wall of the torque output hole ring is configured so that the torque output gear and the intermediate gear work in the same plane to mesh with each other.

[0012] In an embodiment, preferably, the motor output shaft is further provided with a parking ratchet wheel fixed sleeve for cooperating with a parking rod end pawl to realize the parking function, and the assembly fixing portion on the motor end cover further comprises a second positioning pin for assembling and positioning the parking rod.

[0013] In an embodiment, preferably, the parking rod second positioning pin is also provided with a supporting portion, so that the height of the motor gear parking rod and the intermediate gear parking ratchet are located in the same plane to mesh with each other.

[0014] Another aspect of the utility model provides a vehicle brake, comprising the drive transmission device as any one of the above.

[0015] The utility model further provides a vehicle, comprising a vehicle brake, the vehicle brake comprises the drive transmission device as any one of the above.

[0016] The driving transmission device, the vehicle brake and the vehicle provided by the utility model realize the driving transmission function in the integrated brake device, improve the integration of the brake component, realize the mechanized automatic production through the standardized modularized part structure, reduce the labor cost while ensuring the assembly precision, and improve the production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] The above features and advantages of the utility model will be better understood after reading the detailed description of embodiments of the present disclosure in conjunction with the following drawings. In the drawings, components are not necessarily drawn to scale and components having similar related properties or features can have the same or similar reference numerals.

[0018] Figure 1 is the device structure explosion map of the driving transmission device in the vehicle brake according to an embodiment of the utility model;

[0019] Figure 2 is the partial device structure schematic view of the driving transmission device in the vehicle brake according to an embodiment of the utility model; and

[0020] Figure 3 is the device structure schematic view of the driving transmission device in the vehicle brake according to an embodiment of the utility model when the transmission component is not installed;

[0021] Figure 4 is the device structure schematic view of the driving transmission device in the vehicle brake according to an embodiment of the utility model when the transmission component is installed; and

[0022] Figure 5 is the device structure schematic view of the torque output gear and the planetary gear set cooperation in the driving transmission device in the vehicle brake according to an embodiment of the utility model.

[0023] For the sake of clarity, the following gives a brief explanation of the reference numerals:

[0024] 101 motor shell

[0025] 1011 cavity

[0026] 102 transmission frame

[0027] 1021 end cover positioning pin

[0028] 103 torque output hole ring

[0029] 1031 hole ring side wall

[0030] 104 motor end cover

[0031] 1041 assembly fixed part

[0032] 1042 Positioning Department

[0033] 1043 Intermediate Gear Locating Pin

[0034] 1044 Parking lever positioning pin

[0035] 105 Transmission Components

[0036] 1051 Motor Gear

[0037] 1052 Intermediate Gear

[0038] 1053 Torque Output Gear

[0039] 106 Planetary Gear Set

[0040] 1061 Sun Chakra

[0041] 107 Gear Ring

[0042] 108 Parking ratchet

[0043] 109 Parking lever Detailed Implementation

[0044] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Although the description of this utility model will be presented in conjunction with preferred embodiments, this does not mean that the features of this utility model are limited to this embodiment. On the contrary, the purpose of describing the utility model in conjunction with the embodiments is to cover other options or modifications that may be derived based on the claims of this utility model. To provide a deep understanding of this utility model, many specific details will be included in the following description. This utility model may also be implemented without using these details. Furthermore, to avoid confusion or obscuring the focus of this utility model, some specific details will be omitted in the description.

[0045] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0046] Furthermore, the terms "upper," "lower," "left," "right," "top," "bottom," "horizontal," and "vertical" used in the following description should be understood as the orientations shown in the relevant paragraphs and accompanying drawings. These relative terms are for illustrative purposes only and do not imply that the described device must be manufactured or operated in a specific orientation; therefore, they should not be construed as limiting the scope of this invention.

[0047] It is understood that although terms such as "first," "second," and "third" may be used herein to describe various components, regions, layers, and / or parts, these components, regions, layers, and / or parts should not be limited by these terms, and these terms are only used to distinguish different components, regions, layers, and / or parts. Therefore, the first component, region, layer, and / or part discussed below may be referred to as the second component, region, layer, and / or part without departing from some embodiments of this utility model.

[0048] In order to overcome the above-mentioned defects in the existing technology, the present invention provides a drive transmission device for a vehicle brake, a vehicle brake and a vehicle. The drive transmission device is used to realize the drive transmission function in the integrated brake device, improve the integration of brake components, and realize mechanized automatic production through standardized and modular parts structure. The ingenious structural design reduces labor costs and improves production efficiency while ensuring assembly accuracy.

[0049] Figure 1 This is an exploded view of the drive transmission device in a vehicle brake, according to an embodiment of the present invention.

[0050] Please refer to Figure 1 The drive transmission device for the vehicle brake provided by this utility model includes: a motor ( Figure 1 (Not shown) and a motor housing 101, the motor is placed in the cavity 1011 of the motor housing 101, the motor housing 101 extends to the side at the opening of the cavity 1011 to form a transmission frame 102, the transmission frame 102 is provided with a torque output hole ring 103 on the side of the cavity 101; a motor end cover 104 is used to close the opening of the cavity 1011, the output end of the motor extends from the central hole of the motor end cover 104 to the outside of the motor end cover 104, the outside of the motor end cover 104 is provided with an assembly and fixing part 1041 for the transmission component; and a transmission component 105 (shown in dashed box), which is fixedly installed on the transmission frame 102 and the motor end cover 104, for transmitting the output torque of the motor to the torque output hole ring 103 and outputting it.

[0051] In one embodiment, the transmission frame is provided with an end cover positioning pin, which is used to engage with a positioning part provided on the motor end cover to position the installation angle of the motor end cover.

[0052] It is understandable that the drive transmission device provided by this utility model has an assembly and fixing part for transmission components on the end cover of the motor cavity, which is used to position and assemble other transmission components. Therefore, the installation angle of the end cover needs to be limited. The following is a detailed explanation in conjunction with the figures.

[0053] Figure 2 This is a schematic diagram of a portion of the drive transmission device in a vehicle brake, according to an embodiment of the present invention.

[0054] Please refer to Figure 2 In a preferred embodiment of the present invention, the transmission frame 102 is provided with an end cover positioning pin 1021 for assembling and positioning the motor end cover 104, and the motor end cover is provided with an outwardly protruding positioning part 1042. When the motor end cover 104 is closed to the opening of the cavity 1011, the positioning part 1042 and the end cover positioning pin 1021 cooperate to engage and position the installation angle of the motor end cover 104.

[0055] Understandably, both the opening of the cavity 1011 and the motor end cover 104 are circular. The positioning part 1042 and the positioning pin 1021 of the end cover are used to position the unique installation direction angle of the motor end cover 104, thereby ensuring that other structural designs on the end cover that are matched with other components can play an accurate positioning role.

[0056] It should be noted that the positioning structure for the motor end cover 104 mounting angle is only provided as an example to clearly illustrate the integrated motor end cover design in the drive transmission mechanism provided by this utility model, and is not intended to limit the scope of protection of this utility model. In fact, other similar solutions that can limit the mounting angle of the motor end cover can be applied to this utility model and should also be included within the scope of protection of this utility model.

[0057] Please continue to refer to this. Figure 1 In a preferred embodiment of this utility model, the output shaft of the motor is fixedly fitted with a motor gear 1051. The transmission component 105 includes a motor gear 1051, an intermediate gear 1052, and a torque output gear 1053 that mesh sequentially. The assembly fixing part 1041 on the motor end cover 104 includes a first positioning pin for assembling and positioning the intermediate gear. Figure 1 The intermediate gear locating pin 1043.

[0058] like Figure 1 The intermediate gear 1052 shown is sleeved on the intermediate gear positioning pin 1043, thereby fixing the position of the intermediate gear 1052 and simplifying the assembly process of the parts.

[0059] Furthermore, more preferably, in one embodiment, the first locating pin (i.e.Figure 1 The intermediate gear positioning pin 1043 in the intermediate gear 1052 is provided with a supporting portion, which can be understood as shown in Figure 1 The supporting portion is arranged so that the intermediate gear 1052 and the torque output gear 1053 work in the same plane to mesh with each other.

[0060] Please continue to refer to Figure 1 In an embodiment of the present application, please continue to refer to Figure 1 In an embodiment of the present application, the transmission component 105 further comprises a planetary gear set 106. The side wall inner periphery of the torque output hole ring 103 is provided with a gear ring 107 matched with the planetary gear set 106, and the motor output torque is transmitted to the planetary gear set 106 and then output from the torque output hole ring 103. The planetary gear set can be specifically combined with reference to Figure 5 .

[0061] Figure 5 The device structure diagram of the torque output gear and the planetary gear set matched in the driving transmission device in the vehicle brake according to an embodiment of the present application is shown.

[0062] As shown in Figure 5 The torque output gear 1053 and the sun gear 1061 of the planetary gear set 106 are fixed by shaft connection. It can be understood that the torque output gear 1053 rotates, thereby driving the sun gear 1061 to rotate, and driving the planetary gear set 106 to rotate, and then outputting through other device components.

[0063] Figure 3 The device structure diagram of the driving transmission device in the vehicle brake when the transmission component is not installed according to an embodiment of the present application is shown.

[0064] Please refer to Figure 3 and Figure 1 In an embodiment of the present application, further, more preferably, the side wall of the torque output hole ring protrudes upward on the transmission frame to form a hole ring side wall 1031, the gear ring 107 is clamped and assembled in the hole ring side wall 1031, and the height of the hole ring side wall 1031 is arranged so that the torque output gear 1053 and the intermediate gear 1052 work in the same plane to mesh with each other.

[0065] Figure 4 The device structure diagram of the driving transmission device in the vehicle brake when the transmission component is installed according to an embodiment of the present application is shown.

[0066] Please refer to Figure 4 In a more preferred embodiment of the present application, the motor output shaft is further provided with a parking ratchet 108, which is used for clamping with the end pawl of the parking pull rod 109 to realize the parking function, which can be combined with referenceFigure 1 The assembly fixing portion 1041 on the motor end cover further comprises a second positioning pin (i.e. Figure 1 the parking rod positioning pin 1044 in the motor end cover

[0067] As shown in Figure 1 , Figure 4 In an embodiment, the second positioning pin (i.e.

[0068] In this embodiment, the parking ratchet 108 is located below the motor gear 1051, and in actual application, corresponding adjustment can be made according to the design requirements of the specific vehicle model.

[0069] The driving transmission device of the vehicle brake provided by the utility model integrates the fixing portions of each component of the transmission member on the motor end cover, improves the integration of the equipment device, thereby saving the assembly space and improving the space utilization of the vehicle parts.

[0070] It can be understood that through such a structural design, the output of the motor in the cavity can be transmitted to the torque output hole ring beside the motor through the transmission member, and further, the torque output hole ring can be connected with a lead screw pull rod, a brake pad and other device components, so as to convert the output torque of the driving motor into the push-pull movement of the brake pad, thereby realizing the braking function of the vehicle.

[0071] The driving transmission device of the vehicle brake provided by the utility model integrates the driving motor of the vehicle brake in the cavity, and integrates the positioning and mounting portions of the transmission member on the motor end cover and the transmission frame, thereby simplifying the installation and assembly of each part component in the brake, realizing accurate and accurate installation and positioning, simplifying the assembly process, facilitating mechanized and automatic production operation, and improving the production efficiency.

[0072] Another aspect of the utility model provides a vehicle brake comprising the driving transmission device as described in any one of the above.

[0073] The utility model further provides a vehicle comprising a vehicle brake, and the vehicle brake comprises the driving transmission device as described in any one of the above.

[0074] The previous description of the disclosure is provided to enable any person skilled in the art to make or use the disclosure. Various modifications to the disclosure will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other variations without departing from the spirit or scope of the disclosure. Thus, the disclosure is not intended to be limited to the examples described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A drive transmission for a vehicle brake, characterised in that, The application relates to a driving transmission device. The driving transmission device comprises a motor and a motor housing, the motor is arranged in a cavity of the motor housing, the motor housing extends to the side at the opening of the cavity to form a transmission frame, and a torque output hole ring is arranged on the side of the cavity of the transmission frame. A motor end cover is arranged to close the opening of the cavity, the output end of the motor extends to the outside of the motor end cover through the central cavity of the motor end cover, and an assembly fixing part of a transmission part is arranged on the outside of the motor end cover. The transmission part is fixedly arranged on the transmission frame and the motor end cover, and is used for transmitting the output torque of the motor to the torque output hole ring and outputting.

2. The drive transmission of claim 1, wherein, An end cover positioning pin is arranged on the transmission frame, and is used for cooperating with a positioning part arranged on the motor end cover to position the installation angle of the motor end cover.

3. The drive transmission of claim 1, wherein, A motor gear is arranged on the fixed sleeve of the output shaft of the motor, the transmission part comprises a motor gear, an intermediate gear and a torque output gear which are sequentially engaged, and the assembly fixing part on the motor end cover comprises a first positioning pin used for assembling and positioning the intermediate gear.

4. The drive transmission of claim 3, wherein, A supporting part is arranged on the first positioning pin, so that the intermediate gear and the torque output gear work on the same plane to be engaged with each other.

5. The drive transmission of claim 3, wherein, The transmission part further comprises a planetary gear set, the torque output gear and a sun gear of the planetary gear set are fixedly connected through a shaft, a gear ring which cooperates with the planetary gear set is arranged on the inner periphery of the side wall of the torque output hole ring, and the motor output torque is transmitted to the planetary gear set and then output from the torque output hole ring.

6. The drive transmission of claim 5, wherein, The side wall of the torque output hole ring protrudes upward on the transmission frame, the gear ring is assembled on the inner periphery of the side wall of the torque output hole ring, and the height of the side wall of the torque output hole ring is configured so that the torque output gear and the intermediate gear work on the same plane to be engaged with each other.

7. The drive transmission of claim 3, wherein, A parking ratchet is further fixedly arranged on the output shaft of the motor, and is used for cooperating with an end pawl of a parking pull rod to realize the parking function, and the assembly fixing part on the motor end cover further comprises a second positioning pin used for assembling and positioning the parking pull rod.

8. The drive transmission of claim 7, wherein, The second positioning pin is also provided with a supporting part, so that the height of the parking pull rod is on the same plane with the parking ratchet to cooperate with each other.

9. A vehicle brake comprising the driving transmission device according to any one of claims 1-8.

10. A vehicle comprising a vehicle brake, characterized in that The vehicle brake comprises the driving transmission device according to any one of claims 1-8.

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