CN214404537U - Bevel gear speed reducer - Google Patents
Bevel gear speed reducer Download PDFInfo
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- CN214404537U CN214404537U CN202120499181.2U CN202120499181U CN214404537U CN 214404537 U CN214404537 U CN 214404537U CN 202120499181 U CN202120499181 U CN 202120499181U CN 214404537 U CN214404537 U CN 214404537U
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Abstract
The utility model relates to a speed reducer technical field, concretely relates to bevel gear speed reducer. The bevel gear reducer comprises a reducer shell, a sleeve, a driven wheel, a driven shaft, a driving shaft and a motor; a cavity is formed in the speed reducer shell, and the sleeve is rotatably connected in the cavity; the driven wheel is fixedly connected to the outer side of the sleeve, and any surface of the driven wheel is provided with a driven tooth; the driven shaft is fixedly connected to the middle part of the sleeve; an installation part is arranged at the side end of the speed reducer shell, and an installation hole is formed in the middle of the installation part; the driving shaft is perpendicular to the driven shaft and is in rotating connection with the inside of the mounting hole, one side of the driving shaft, which is close to the driven shaft, is provided with conical teeth in transmission fit with the driven teeth, and an output shaft of the motor is fixedly connected with the driving shaft. The utility model provides a current speed reducer of using at the electronic car of riding instead of walk of medical treatment can't compromise occupation space little, the efficient, not fragile problem of transmission.
Description
Technical Field
The utility model relates to a speed reducer technical field, concretely relates to bevel gear speed reducer.
Background
The transmission mode of the speed reducer of the medical electric scooter at present comprises cylindrical gear speed reduction and worm gear speed reduction, the cylindrical gear speed reduction structure is simple, the transmission is reliable, but the occupied space is large, the size and the weight of the scooter body can be increased, and the worm gear transmission has the advantages of large single-stage transmission ratio, compact structure, low transmission efficiency and serious tooth surface abrasion, so that the repair and the maintenance of the scooter are troublesome.
Therefore, it is necessary to provide a technical solution to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a bevel gear speed reducer aims at solving and can't compromise occupation space little, the efficient, not fragile problem of transmission at the speed reducer of the electronic car of riding instead of walk of medical treatment at present.
In order to achieve the above object, the utility model provides a bevel gear speed reducer, including speed reducer housing, sleeve pipe, follow driving wheel, driven shaft, driving shaft and motor, wherein:
a cavity is formed in the speed reducer shell, a plurality of first bearings are mounted outside the sleeve and are rotatably connected in the cavity through the first bearings; the driven wheel is fixedly connected to the outer side of the sleeve, and any surface of the driven wheel is provided with a driven tooth; the driven shaft is fixedly connected to the middle of the sleeve, an opening is formed in one end of the cavity, and one end of the driven shaft extends out of the speed reducer shell along the opening; an installation part is arranged at the side end of the speed reducer shell, and an installation hole is formed in the middle of the installation part; the mounting hole is communicated with the cavity, and a plurality of second bearings are fixedly connected inside the mounting hole; the driving shaft is perpendicular to the driven shaft and is arranged in the middle of the second bearing, and one side of the driving shaft, which is close to the driven shaft, is provided with conical teeth which are in transmission fit with the driven teeth; the motor is fixedly connected with the mounting part, and an output shaft of the motor is fixedly connected with the driving shaft.
More specifically, all the cover is equipped with a plurality of jump rings on the driving shaft with the driven shaft, and it is used for fixing first bearing with the second bearing.
More specifically, the driving shaft with all the cover is equipped with the lip seal on the driven shaft, two the lip seal is installed respectively the mounting hole is close to the one end of motor and the opening part of cavity.
More specifically, a coupler is arranged between the motor and the mounting part, the front end of the coupler is a flat insertion block, and the rear end of the coupler is provided with a first slot position; an inserting groove is formed in the middle of an output shaft of the motor, a screw is fixedly connected in the inserting groove, the coupler is inserted into the inserting groove, and the first groove position is clamped on the screw; and a second slot position is arranged at one end of the driving shaft, which is far away from the conical teeth, and the flat insert block is inserted into the second slot position.
More specifically, the driven shaft and the sleeve are fixedly connected through a flat key.
The utility model relates to a bevel gear speed reducer's technological effect does:
1. the same driving shaft and driven shaft that adopt with the turbine worm speed reduction in this application with be the vertically setting, reduce the occupation space of speed reducer, the transmission mode adopts the transmission that toper tooth and driven tooth cooperation replaced the turbine worm, can improve its transmission efficiency, and the flank of tooth is difficult for wearing and tearing.
2. This application adopts the design of jump ring and lip seal, prevents effectively that reduction gear internals from rocking, breaking away from, reduces the noise that produces when the speed reducer uses, prolongs the life of speed reducer.
Drawings
Fig. 1 is a schematic structural view of a bevel gear reducer according to the present invention;
fig. 2 is a schematic view of an internal structure of a bevel gear reducer according to the present invention;
fig. 3 is a schematic connection diagram of an output shaft and a driving shaft of a middle motor of a bevel gear reducer according to the present invention;
fig. 4 is an exploded schematic view of a bevel gear reducer according to the present invention.
The labels in the figure are:
1-speed reducer housing; 101-a cavity; 102-an opening; 103-an installation part; 104-mounting holes; 2, sleeving a pipe; 3, a driven wheel; 301 — driven teeth; 4-driven shaft; 5-driving shaft; 501, conical teeth; 502 — a second slot; 6-a motor; 601 — an output shaft; 602-a plug groove; 603-screws; 7-a first bearing; 8-a second bearing; 9-a clamp spring; 10, lip sealing; 11-a coupler; 111-flat insert; 112 — a first slot; 12-a flat bond;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
A preferred embodiment of the present invention, which is realized as such, referring to fig. 1 to 4, a bevel gear reducer comprises a reducer housing 1, a sleeve 2, a driven wheel 3, a driven shaft 4, a driving shaft 5 and a motor 6, wherein;
a cavity 101 is formed in the speed reducer shell 1, a plurality of first bearings 7 are mounted outside the sleeve 2, and the first bearings 7 are rotatably connected in the cavity 101; the driven wheel 3 is fixedly connected with the outer side of the sleeve 2, and any surface of the driven wheel is provided with a driven tooth 301; the driven shaft 4 is fixedly connected to the middle part of the sleeve 2, an opening 102 is formed in one end of the cavity 101, and one end of the driven shaft 4 extends out of the speed reducer shell 1 along the opening 102; a mounting part 103 is arranged at the side end of the speed reducer shell 1, and a mounting hole 104 is formed in the middle of the mounting part 103; the mounting hole 104 is communicated with the cavity 101, and a plurality of second bearings 8 are fixedly connected inside the mounting hole; the driving shaft 5 is vertical to the driven shaft 4 and is arranged in the middle of the second bearing 8, one side of the driving shaft, which is close to the driven shaft 4, is provided with a conical tooth 501, and the conical tooth 501 is in transmission fit with the driven tooth 301; the motor 6 is fixedly connected to the mounting portion 103, and an output shaft 601 thereof is fixedly connected to the drive shaft 5.
The bevel gear reducer and the worm gear reducer are the same in speed reduction, the driving shaft 5 and the driven shaft 4 are vertically arranged, the occupied space of the reducer is reduced, the transmission mode adopts the matching of the conical teeth 501 and the driven teeth 301 to replace the transmission of the worm gear, the transmission efficiency can be improved, and the tooth surface is not easy to wear.
As the utility model discloses a preferred scheme all overlaps on driving shaft 5 and the driven shaft 4 and is equipped with a plurality of jump rings 9, and it is used for fixed first bearing 7 and second bearing 8. The driving shaft 5 and the driven shaft 4 are sleeved with lip seals 10, and the two lip seals 10 are respectively installed at one end of the installation hole 104 close to the motor 6 and the opening 102 of the cavity 101. By adopting the design of the clamp spring 9 and the lip seal 10, the internal parts of the speed reducer are effectively prevented from shaking and separating, the noise generated when the speed reducer is used is reduced, and the service life of the speed reducer is prolonged.
As the preferred scheme of the utility model, a shaft coupling 11 is arranged between the motor 6 and the mounting part 103, the front end of the shaft coupling 11 is a flat insert block 111, and the rear end is provided with a first groove 112; an inserting groove 602 is formed in the middle of an output shaft 601 of the motor 6, a screw 603 is fixedly connected in the inserting groove 602, the coupler 11 is inserted into the inserting groove 602, and the first groove 112 is clamped on the screw 603; one end of the driving shaft 5, which is far away from the conical teeth 501, is provided with a second slot 502, and the flat insertion block 111 is inserted into the second slot 502.
As the preferred scheme of the utility model, driven shaft 4 passes through flat key 12 fixed connection with sleeve pipe 2.
The utility model discloses a working process does:
after the motor 6 is started, the output shaft 601 of the motor drives the driving shaft 5 to rotate through the transmission of the coupler 11, the conical teeth 501 on the driving shaft 5 are attached to the driven teeth 301 and are in transmission fit with the driven teeth 301, so that the driven wheel 3 and the driving shaft 5 are controlled to rotate at a speed of a special transmission ratio, and the driven shaft 4 rotates at the same speed as the driven wheel 3 under the action of the pipe sleeve.
The utility model relates to a bevel gear speed reducer through reasonable structure setting, has solved the current speed reducer of using at the electronic car of riding instead of walk of medical treatment and can't compromise occupation space little, the efficient, not fragile problem of transmission.
The above description is only for the preferred embodiment of the present invention, and the structure is not limited to the above-mentioned shape, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A bevel gear reducer characterized in that: including speed reducer casing, sleeve pipe, follow driving wheel, driven shaft, driving shaft and motor, wherein:
a cavity is formed in the speed reducer shell, a plurality of first bearings are mounted outside the sleeve and are rotatably connected in the cavity through the first bearings; the driven wheel is fixedly connected to the outer side of the sleeve, and any surface of the driven wheel is provided with a driven tooth; the driven shaft is fixedly connected to the middle of the sleeve, an opening is formed in one end of the cavity, and one end of the driven shaft extends out of the speed reducer shell along the opening; an installation part is arranged at the side end of the speed reducer shell, and an installation hole is formed in the middle of the installation part; the mounting hole is communicated with the cavity, and a plurality of second bearings are fixedly connected inside the mounting hole; the driving shaft is perpendicular to the driven shaft and is arranged in the middle of the second bearing, and one side of the driving shaft, which is close to the driven shaft, is provided with conical teeth which are in transmission fit with the driven teeth; the motor is fixedly connected with the mounting part, and an output shaft of the motor is fixedly connected with the driving shaft.
2. The bevel gear reducer according to claim 1, wherein: the driving shaft and the driven shaft are all sleeved with a plurality of clamp springs which are used for fixing the first bearing and the second bearing.
3. The bevel gear reducer according to claim 1, wherein: the driving shaft with all overlap on the driven shaft and be equipped with the lip seal, two the lip seal is installed respectively the mounting hole is close to the one end of motor and the opening part of cavity.
4. The bevel gear reducer according to claim 1, wherein: a coupler is arranged between the motor and the mounting part, the front end of the coupler is a flat insertion block, and the rear end of the coupler is provided with a first slot position; an inserting groove is formed in the middle of an output shaft of the motor, a screw is fixedly connected in the inserting groove, the coupler is inserted into the inserting groove, and the first groove position is clamped on the screw; and a second slot position is arranged at one end of the driving shaft, which is far away from the conical teeth, and the flat insert block is inserted into the second slot position.
5. The bevel gear reducer according to claim 1, wherein: the driven shaft is fixedly connected with the sleeve through a flat key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120499181.2U CN214404537U (en) | 2021-03-09 | 2021-03-09 | Bevel gear speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120499181.2U CN214404537U (en) | 2021-03-09 | 2021-03-09 | Bevel gear speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214404537U true CN214404537U (en) | 2021-10-15 |
Family
ID=78029892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120499181.2U Active CN214404537U (en) | 2021-03-09 | 2021-03-09 | Bevel gear speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214404537U (en) |
-
2021
- 2021-03-09 CN CN202120499181.2U patent/CN214404537U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: Building 1, No. 8 Quling Middle Road, Liaobu Town, Dongguan City, Guangdong Province, 523000 Patentee after: QUALITY LIFE TECHNOLOGIES Co.,Ltd. Address before: Room 101, building 1, No.3 laofuwu Road, Dongkeng Town, Dongguan City, Guangdong Province, 523000 Patentee before: QUALITY LIFE TECHNOLOGIES Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |