CN222650520U - A first-stage gear-type ram-horn transmission box - Google Patents
A first-stage gear-type ram-horn transmission box Download PDFInfo
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- CN222650520U CN222650520U CN202420930248.7U CN202420930248U CN222650520U CN 222650520 U CN222650520 U CN 222650520U CN 202420930248 U CN202420930248 U CN 202420930248U CN 222650520 U CN222650520 U CN 222650520U
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Abstract
本实用新型属于汽车轮毂技术领域，特别涉及一种一级齿轮型羊角型传动箱体，包括：羊角型传动箱；盖板；轴承位；第一轮毂轴承，第一轮毂轴承安装于轴承位内；法兰轴头；减速齿轮输出轴；电机壳，电机壳的前端与盖板固定连接；电机输入轴，位于电机壳内，电机输入轴的前端穿过盖板伸入容纳腔室内并连接有主动齿轮；从动轴，转动连接于容纳腔室内，从动轴上连接固定有第一从动齿轮和第二从动齿轮其中，第一从动齿轮与主动齿轮啮合，第二从动齿轮与减速齿轮输出轴的齿轮部啮合，本实用新型的有益效果为：传动效率高，能量损失小，动力传输稳定可靠且易于拆装更换零件，占用空间小，不会妨碍刹车系统及悬挂系统的安装适配。
The utility model belongs to the technical field of automobile wheel hubs, and particularly relates to a first-stage gear-type ram's horn transmission box, comprising: a ram's horn transmission box; a cover plate; a bearing position; a first wheel hub bearing, the first wheel hub bearing being installed in the bearing position; a flange shaft head; a reduction gear output shaft; a motor housing, the front end of which is fixedly connected to the cover plate; a motor input shaft, which is located in the motor housing, the front end of which passes through the cover plate and extends into a containing chamber and is connected with a driving gear; a driven shaft, which is rotatably connected in the containing chamber, and a first driven gear and a second driven gear are connected and fixed to the driven shaft, wherein the first driven gear is meshed with the driving gear, and the second driven gear is meshed with a gear portion of the reduction gear output shaft. The utility model has the following beneficial effects: high transmission efficiency, low energy loss, stable and reliable power transmission, easy disassembly and assembly for replacing parts, small space occupation, and no obstruction to the installation and adaptation of a brake system and a suspension system.
Description
Technical Field
The utility model relates to the technical field of automobile hub transmission, in particular to a primary gear type claw-shaped transmission box body.
Background
Existing automotive motor assemblies are bulky, resulting in significant challenges in installation and repair in space-constrained applications, which not only increases operational complexity and labor intensity, but may also result in longer downtime and increased maintenance costs. In addition, due to its complex structure, the disassembly process often involves multiple steps, such as disassembling screws, bearings, gears, etc., which require specialized tools and skilled handling skills. If maintenance convenience such as inaccessible internal components or too compact connection points are not considered in the design, even experienced technicians may spend a significant amount of time in the disassembly process, further affecting production efficiency and maintenance efficiency. Therefore, in order to solve this problem, it is necessary to review and optimize the design of the motor reduction gear, making it more compact and easy to disassemble, so as to improve the overall use and maintenance efficiency.
Disclosure of utility model
Aiming at the defects in the prior art, the utility model aims to provide a primary gear type claw-shaped transmission box body so as to solve the problems.
The technical scheme of the utility model is realized by a primary gear type claw-shaped transmission box body comprising:
the upper end of the claw-shaped transmission box body is fixedly connected with a claw-shaped structure body;
The cover plate, form and hold the cavity between cover plate and the sheep's horn type transmission case body;
The front end of the claw-shaped transmission box body is provided with a bearing position which is communicated with the accommodating cavity and is provided with a through hole;
the first hub bearing is arranged in the bearing position;
The shaft sleeve part of the flange shaft head penetrates through the through hole to be sleeved with the inner ring of the first hub bearing, the shaft sleeve part of the flange shaft head is arranged in a hollow mode, and the hollow part forms a connecting shaft hole;
the speed reduction gear output shaft comprises a main shaft part and a gear part which are integrally connected, and one end of the main shaft part penetrates through the connecting shaft hole to be sleeved with the flange shaft head;
The front end of the motor shell is fixedly connected with the cover plate, the rear end of the motor shell is connected with the end cover, and one side of the cover plate opposite to the motor shell is provided with a motor matching surface;
The motor input shaft is positioned in the motor shell, and the front end of the motor input shaft penetrates through the cover plate to extend into the accommodating cavity and is connected with the driving gear;
The driven shaft is rotationally connected in the accommodating cavity, and a first driven gear and a second driven gear are fixedly connected on the driven shaft;
The first driven gear is meshed with the driving gear, and the second driven gear is meshed with the gear part of the speed reduction gear output shaft.
Further, one side of the cover plate, which is away from the motor casing, is provided with a box body matching surface, a first bearing chamber positioned on the inner wall of the claw-shaped transmission box body and a second bearing chamber positioned on the box body matching surface of the cover plate are arranged in the accommodating cavity, and second hub bearings matched with the end parts of the driven shafts are respectively arranged in the first bearing chamber and the second bearing chamber.
Further, the claw-shaped structure body and the claw-shaped transmission case body are integrally formed.
Further, the front end of the first hub bearing is abutted with the bearing position, and one side of the second planet carrier, which faces towards the front end of the claw-shaped transmission box body, is abutted with the rear end of the first hub bearing.
Further, the method further comprises the following steps:
The brake disc is arranged on the flange shaft head;
The brake caliper is arranged on the claw-shaped transmission box body and used for braking the brake disc;
Wherein, the upper end of the claw-shaped transmission box body is provided with a mounting hole matched with the brake caliper in a penetrating way.
Further, the inner wall of the end cover is also provided with a mounting cavity, a rotary transformer is arranged in the mounting cavity, and a rotor of the rotary transformer and an input shaft of the motor synchronously rotate.
Further, a third bearing chamber is arranged on the motor matching surface of the cover plate, a fourth bearing chamber is further arranged on the inner wall of the end cover, two ends of the motor input shaft respectively penetrate through the third bearing chamber and the fourth bearing chamber, and a second hub bearing and a third hub bearing which are matched with the motor input shaft are respectively arranged in the second bearing chamber and the third bearing chamber.
The beneficial effects of the utility model are as follows:
The transmission efficiency is high, the energy loss is small, the power transmission is stable and reliable, the parts are easy to disassemble, assemble and replace, the occupied space is small, and the installation and the adaptation of a brake system and a suspension system are not hindered.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic view of a claw-type transmission housing according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram II of a claw-type transmission case according to an embodiment of the present utility model;
Fig. 3 is a schematic diagram of a claw-type transmission case according to an embodiment of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 3, the present utility model discloses a primary gear type claw type transmission case, comprising:
The upper end of the claw-shaped transmission box body 1 is fixedly connected with a claw-shaped structure body, so that the claw-shaped transmission box body can be matched with the front wheel of the vehicle;
A containing cavity is formed between the cover plate 2 and the claw-shaped transmission case body 1;
The bearing position 3 is arranged at the front end of the claw-shaped transmission box body 1, and the bearing position 3 is communicated with the accommodating cavity and provided with a through hole;
A first hub bearing 4, the first hub bearing 4 being mounted in the bearing position 3;
The shaft sleeve part of the flange shaft head 5 penetrates through the through hole to be sleeved with the inner ring of the first hub bearing 4, the shaft sleeve part of the flange shaft head 5 is arranged in a hollow way, and the hollow part forms a connecting shaft hole;
The speed reduction gear output shaft 6 comprises a main shaft part and a gear part which are integrally connected, and one end of the main shaft part penetrates through the connecting shaft hole to be sleeved with the flange shaft head 5;
the motor casing 7, the front end of the motor casing 7 is fixedly connected with the cover plate, the rear end is connected with the end cover 71, and one side of the cover plate 2 opposite to the motor casing 7 is provided with a motor matching surface;
The motor input shaft 8 is positioned in the motor shell 7, the front end of the motor input shaft 8 penetrates through the cover plate 2 and stretches into the accommodating cavity and is connected with the driving gear 9, and the motor input shaft and the driving gear are integrally formed and can be fixedly connected through keys;
The driven shaft 10 is rotationally connected in the accommodating cavity, and a first driven gear 11 and a second driven gear 12 are fixedly connected on the driven shaft 10;
Wherein the first driven gear 11 is meshed with the driving gear 9, and the second driven gear 12 is meshed with the gear portion of the reduction gear output shaft 6.
In the scheme, fig. 2 and 3 are two other structures of the claw-shaped structure body and the claw-shaped transmission box body in a matching way;
By adopting the technical scheme, the transmission efficiency is high, the energy loss is small, the power transmission is stable and reliable, the parts are easy to disassemble and replace, the occupied space is small, and the installation adaptation of a brake system and a suspension system is not hindered.
In the scheme, fig. 2 and 3 are two other structures of the claw-shaped structure body and the claw-shaped transmission box body in a matching way;
The present embodiment provides a primary gear type claw-type transmission case, which has the following technical features in addition to the technical scheme of the above embodiment.
Further, one side of the cover plate 2, which is away from the motor casing 7, is provided with a box body matching surface, a first bearing chamber positioned on the inner wall of the claw-type transmission box body 1 and a second bearing chamber positioned on the box body matching surface of the cover plate 2 are arranged in the accommodating cavity, and second hub bearings matched with the end part of the driven shaft 10 are respectively arranged in the first bearing chamber and the second bearing chamber.
By adopting the technical scheme, smooth, stable and reliable power transmission is ensured.
The present embodiment provides a primary gear type claw-type transmission case, which has the following technical features in addition to the technical scheme of the above embodiment.
Further, the claw-shaped structure body and the claw-shaped transmission case body 1 are integrally formed.
Through adopting above-mentioned technical scheme, connect reliable and stable, the sheep horn type structure is the sheep horn structure, can more effectively bear external force to improved the stability and the durability of structure, the sheep horn type structure is used for connecting automobile frame's connection structure as drive arrangement, and specific, the sheep horn type structure is connected fixedly with automobile outer frame's chassis position, can be applied to the automobile front wheel.
The present embodiment provides a primary gear type claw-type transmission case, which has the following technical features in addition to the technical scheme of the above embodiment.
Further, the front end of the first hub bearing 4 is abutted against the bearing position 3, and one side of the second planet carrier 6 facing the front end of the claw gear box body 1 is abutted against the rear end of the first hub bearing 4.
Through adopting above-mentioned technical scheme, can compress tightly on the bearing position to first wheel hub bearing axial butt, effectually improve first wheel hub bearing firm, and then improved sheep's horn type transmission box power take off's stability.
The present embodiment provides a primary gear type claw-type transmission case, which has the following technical features in addition to the technical scheme of the above embodiment.
Further, the device also comprises a brake disc 14 which is arranged on the flange shaft head 5, and a brake caliper 15 which is arranged on the claw-shaped transmission box body 1 and used for braking the brake disc 14, wherein the upper end of the claw-shaped transmission box body 1 is provided with a mounting hole which is matched with the brake caliper 15 in a penetrating way.
Through adopting above-mentioned technical scheme, the fixed part of brake caliper can directly penetrate the sword and hold in the cavity and fix for wheel hub has improved space utilization when can realize reliable and stable's brake braking.
The present embodiment provides a primary gear type claw-type transmission case, which has the following technical features in addition to the technical scheme of the above embodiment.
Further, an installation chamber is further provided on the inner wall of the end cover 71, a resolver 121 is provided in the installation chamber, and a rotor of the resolver 121 rotates synchronously with the motor input shaft 8.
By adopting the technical scheme, accurate speed feedback is provided for the power system of the vehicle.
The present embodiment provides a primary gear type claw-type transmission case, which has the following technical features in addition to the technical scheme of the above embodiment.
Further, a third bearing chamber is arranged on the motor matching surface of the cover plate 2, a fourth bearing chamber is further arranged on the inner wall of the end cover 71, two ends of the motor input shaft 8 respectively penetrate through the third bearing chamber and the fourth bearing chamber, and a second hub bearing 17 and a third hub bearing 18 which are matched with the motor input shaft 8 are respectively arranged in the second bearing chamber and the third bearing chamber.
By adopting the technical scheme, the power output of the transmission box body is smooth, stable and reliable.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (7)
1. One-level gear type claw-shaped transmission case body, which is characterized by comprising:
the upper end of the claw-shaped transmission box body (1) is fixedly connected with a claw-shaped structure body;
A cover plate (2), wherein a containing cavity is formed between the claw-shaped transmission box body (1) and the cover plate (2);
the front end of the claw-shaped transmission box body (1) is provided with a bearing position (3) which is communicated with the accommodating cavity and is provided with a through hole;
The flange shaft head (5) penetrates through the through hole to be sleeved with the inner ring of the first hub bearing (4), the shaft sleeve part of the flange shaft head (5) is arranged in a hollow way, and the hollow part forms a connecting shaft hole;
The speed reduction gear output shaft (6) comprises a main shaft part and a gear part which are integrally connected, and one end of the main shaft part penetrates through the connecting shaft hole to be sleeved with the flange shaft head (5);
the motor comprises a motor shell (7), a motor input shaft (8), a driving gear (9) and a motor cover (2), wherein the front end of the motor shell (7) is fixedly connected with the cover plate (2), the rear end of the motor shell is connected with the end cover (71), and one side of the cover plate (2) opposite to the motor shell (7) is provided with a motor matching surface;
The driven shaft (10) is rotationally connected in the accommodating cavity, and a first driven gear (11) and a second driven gear (12) are fixedly connected to the driven shaft (10);
Wherein the first driven gear (11) is meshed with the driving gear (9), and the second driven gear (12) is meshed with the gear part of the reduction gear output shaft (6).
2. The primary gear type claw transmission case according to claim 1, wherein a case matching surface is arranged on one side of the cover plate (2) away from the motor case (7), a first bearing chamber positioned on the inner wall of the claw transmission case (1) and a second bearing chamber positioned on the case matching surface of the cover plate (2) are arranged in the accommodating chamber, and a second hub bearing matched with the end part of the driven shaft (10) is respectively arranged in the first bearing chamber and the second bearing chamber.
3. A primary gear type claw transmission housing according to claim 1, characterised in that the claw structure is integrally formed with the claw transmission housing (1).
4. The primary gear type claw transmission housing according to claim 1, wherein the front end of the first hub bearing (4) is abutted against the bearing position (3), and a side of the gear portion of the reduction gear output shaft (6) facing the front end of the claw transmission housing (1) is abutted against the rear end of the first hub bearing (4).
5. The primary gear type claw transmission case body according to claim 1 is characterized by further comprising a brake disc (14) arranged on the flange shaft head (5), a brake caliper (15) arranged on the claw transmission case body (1) and used for braking the brake disc (14), wherein the upper end of the claw transmission case body (1) is provided with a mounting hole matched with the brake caliper (15) in a penetrating mode.
6. A primary gear type claw transmission housing according to claim 1 wherein the inner wall of the end cap (71) is further provided with a mounting chamber in which a rotary transformer (121) is provided, the rotor of the rotary transformer (121) rotating in synchronism with the motor input shaft (8).
7. The primary gear type sheep horn transmission case according to claim 1, characterized in that a third bearing chamber is arranged on the motor matching surface of the cover plate (2), a fourth bearing chamber is further arranged on the inner wall of the end cover (71), two ends of the motor input shaft (8) respectively penetrate through the third bearing chamber and the fourth bearing chamber, and a second hub bearing (17) and a third hub bearing (18) which are matched with the motor input shaft (8) are respectively arranged in the second bearing chamber and the third bearing chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420930248.7U CN222650520U (en) | 2024-04-30 | 2024-04-30 | A first-stage gear-type ram-horn transmission box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420930248.7U CN222650520U (en) | 2024-04-30 | 2024-04-30 | A first-stage gear-type ram-horn transmission box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222650520U true CN222650520U (en) | 2025-03-21 |
Family
ID=95017266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420930248.7U Active CN222650520U (en) | 2024-04-30 | 2024-04-30 | A first-stage gear-type ram-horn transmission box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222650520U (en) |
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2024
- 2024-04-30 CN CN202420930248.7U patent/CN222650520U/en active Active
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