CN218063252U

CN218063252U - Reduction gearbox

Info

Publication number: CN218063252U
Application number: CN202222539033.6U
Authority: CN
Inventors: 周小清; 黄朝文; 陈开兴
Original assignee: Dongguan Kehua Precision Industrial Technology Co ltd
Current assignee: Dongguan Kehua Precision Industrial Technology Co ltd
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2022-12-16
Anticipated expiration: 2032-09-22

Abstract

The utility model belongs to the technical field of mechanical transmission technique and specifically relates to a reduction box is related to, its technical scheme main points lie in: including shell, driving motor, transmission assembly and a plurality of butt piece, be provided with the cavity that is used for installing driving motor in the shell, a plurality of butt pieces are installed on the inner wall of shell upper chamber, and driving motor arranges in the cavity and with butt piece looks butt, and transmission assembly installs in the shell to driving motor's output shaft is connected with transmission assembly. The beneficial effect of this application does: a drive motor having a volume smaller than the cavity can also be stably mounted in the housing.

Description

Reduction gearbox

Technical Field

The application relates to the technical field of mechanical transmission, in particular to a reduction gearbox.

Background

The reduction box is an independent part consisting of gear transmission, worm transmission and gear-worm transmission which are enclosed in a rigid shell, and is commonly used as a reduction transmission device between a prime mover and a working machine. Reduction gearbox products are used in a wide variety of fields, such as electrical machines, construction machines, and the like.

Referring to fig. 1, the present reduction gearbox comprises a rigid housing 1', a driving member 2', a reduction assembly 3 'and an output assembly 4'. The driving member 2 'is fixedly installed in the rigid casing 1', the speed reduction assembly 3 'and the output assembly 4' are both installed in the rigid casing 1', the output shaft of the driving member 2' is connected with the output assembly 4 'through the speed reduction assembly 3', and the driving member 2 'drives the output assembly 4' to rotate.

In view of the above-described technology, the inventors found that, if the position of the rigid housing 1' for mounting the driver 2' is fixed, and the driver 2' having a smaller volume than the position is mounted, poor mounting stability of the driver 2' and the rigid housing 1' is likely to be caused.

SUMMERY OF THE UTILITY MODEL

The application provides a reducing gear box, has can be stable in the advantage of installing not equidimension motor.

A reduction gearbox comprises a shell, a driving motor, a transmission assembly and a plurality of abutting pieces, wherein a cavity for mounting the driving motor is formed in the shell, the abutting pieces are mounted on the inner wall of the cavity on the shell, the driving motor is arranged in the cavity and abutted against the abutting pieces, the transmission assembly is mounted in the shell, and an output shaft of the driving motor is connected with the transmission assembly.

By adopting the technical scheme, the driving motor with the volume smaller than the cavity can also be stably installed in the shell due to the arrangement of the abutting part, so that the reduction gearbox can stably install motors with different lengths, and the applicability of the reduction gearbox is improved.

Preferably, the abutting piece is arranged in an arc shape, one surface of the abutting piece, which is close to the shell, is attached to the shell, and the abutting piece is fixedly connected with the shell.

By adopting the above scheme, the arc-shaped arrangement of the abutting part increases the connecting area of the abutting part and the shell, so that the abutting part and the shell are more stably connected, and the structural stability of the reduction gearbox is improved.

Preferably, the outer shell comprises a first shell and a second shell, the first shell is fixedly connected with the second shell, and the cavity is formed by splicing the first shell and the second shell.

By adopting the above scheme, the arrangement of the first shell and the second shell enables the reduction gearbox to be installed in the installation process, the driving motor and the transmission assembly can be installed firstly, then the first shell and the second shell are spliced, and the convenience of installation of the reduction gearbox is improved.

Preferably, a plurality of abutting strips are arranged on the first shell and the second shell, the abutting strips are fixedly arranged in the cavity, and the abutting strips are used for abutting against the side faces of the driving motor.

Through adopting above-mentioned technical scheme, the setting of butt strip is followed both sides and is lived drive motor centre gripping, has improved drive motor and has arranged the stability in the cavity in.

Preferably, a supporting piece is arranged on one surface of the abutting piece, which is used for abutting against the end surface of the driving motor, and is fixedly connected with the abutting piece, and the supporting piece is used for abutting against the side surface of the driving motor.

Through adopting above-mentioned scheme, the setting of supporting piece has increased the butt area of butt piece with driving motor to make driving motor's position more stable.

Preferably, one surface of the supporting piece, which is used for being abutted against the driving motor, is provided with a plurality of rubber bulges, and the rubber bulges are used for being abutted against the side surface of the driving motor.

Through adopting above-mentioned scheme, the rubber is protruding to have increased the frictional force of bearing piece and driving motor side to further make driving motor and bearing piece's butt more stable, improved the structural stability of reducing gear box.

Preferably, the abutting member is provided with a plugging portion, the housing is correspondingly provided with a plugging groove, the plugging portion is plugged in the plugging groove, and a groove wall of the plugging groove abuts against the plugging portion.

By adopting the above scheme, the arrangement of the insertion part and the insertion groove realizes the detachable connection of the abutting part and the shell, when the driving motor with larger installation length is needed, only the abutting part needs to be detached, and when the driving motor with smaller installation length is needed, only the abutting part needs to be installed. Thereby make the equal all stable installations of different driving motor in the reduction box, improved the suitability of reduction box to the easy dismounting of butt piece makes the installation of reduction box more convenient.

Preferably, a rubber strip is arranged on the side face of the insertion part and used for abutting against the groove wall of the insertion groove, and the rubber strip is in interference fit with the insertion groove.

Through adopting above-mentioned scheme, the setting up of rubber strip makes grafting portion on the butt piece insert locate the inserting groove in more stable for the joint strength of butt piece and shell is higher.

To sum up, the beneficial technical effect of this application does:

1. the abutting pieces are arranged, so that the driving motor with the volume smaller than that of the cavity can also be stably installed in the shell, and the reduction gearbox can stably install motors with different lengths.

2. The arrangement of the insertion part and the insertion groove realizes the detachable connection of the abutting part and the shell, so that the dismounting and the mounting are convenient, and the applicability of the reduction gearbox is improved.

Drawings

Fig. 1 is a schematic structural diagram of a reduction gearbox in the background art.

Fig. 2 is a schematic structural diagram of a reduction gearbox in an embodiment of the application.

Fig. 3 is a schematic view of the internal structure of the reduction gearbox in embodiment 1.

Fig. 4 is a schematic structural view of the abutting member in embodiment 2.

Description of the reference numerals:

1', a rigid housing; 2', a driving member; 3', a speed reduction assembly; 4', an output assembly; 1. a housing; 11. a first housing; 12. a second housing; 2. a drive motor; 3. an abutting member; 4. a cavity; 5. an abutment bar; 6. a support member; 7. a worm gear; 8. a worm; 9. a reduction gear; 10. an output gear; 13. an output member; 14. a plug-in part; 15. a rubber strip; 16. and (4) rubber bulges.

Detailed Description

The present application is described in further detail below in conjunction with fig. 2-4.

Example 1

The application discloses a reduction box, see fig. 2 and 3, which comprises a shell 1, a driving motor 2, a transmission assembly and a plurality of abutting parts 3. The inside cavity 4 that is used for installing driving motor 2 that is provided with of shell 1, a plurality of butt pieces 3 are fixed to be set up on the inner wall of cavity 4 on shell 1, and driving motor 2 arranges cavity 4 in and driving motor 2 deviates from the one side of output shaft and butt piece 3 looks butt, and transmission assembly installs in shell 1 to driving motor 2's output shaft is connected with transmission assembly. The arrangement of the abutting piece 3 enables the driving motor 2 with the volume smaller than that of the cavity 4 to be stably installed in the shell 1, and enables the reduction gearbox to be stably installed with motors with different lengths and sizes.

Specifically, the housing 1 includes a first housing 11 and a second housing 12, the first housing 11 and the second housing 12 are fixedly connected by a bolt, and the first housing 11 and the second housing 12 are assembled to form a cavity 4 for installing the driving motor 2. All be provided with a plurality of butt strips 5 on first casing 11 and the second casing 12, a plurality of butt strips 5 equidistant fixed the setting in cavity 4, butt strip 5 be used for with driving motor 2's side looks butt. The abutment bars 5 on the first housing 11 and the second housing 12 clamp the drive motor 2, so that the drive motor 2 is fixed in the cavity 4. Further, the abutment strip 5 enhances the structural strength of the first and

second housings

11 and 12. The abutting piece 3 is arranged in an arc shape, and the surface of the abutting piece 3, which is used for being connected with the shell 1, is attached to the shell 1, so that the connecting area of the abutting piece 3 and the shell 1 is increased, and the connection of the abutting piece 3 and the shell 1 is more stable.

One side that driving motor 2 is close to the output shaft is connected with first casing 11 and second casing 12 looks butt, and driving motor 2 deviates from the one side of output shaft and the side looks butt of a plurality of butt pieces 3, and the location to driving motor 2 has been realized in the cooperation of first casing 11, second casing 12 and butt piece 3 for driving motor 2 fixes in cavity 4 more steadily. A support member 6 is further fixedly arranged on one surface of the abutting member 3, which is used for abutting against the end surface of the driving motor 2, and in the embodiment, the support member 6 and the abutting member 3 are integrally formed. The thickness of support 6 is the same with the thickness of butt strip 5, and the side of driving motor 2 is with support 6 looks butt when rather than one of them butt strip 5 looks butt to it is more stable when making first casing 11 and second casing 12 centre gripping driving motor 2, has improved the structural stability of reducing gear box.

Referring to fig. 3, the transmission assembly includes a worm wheel 7, a worm 8, a reduction gear 9, an output gear 10, and an output member 13. The worm 8 is coaxially and fixedly connected with an output shaft of the driving motor 2, the worm wheel 7 is rotatably installed in the first shell 11, and the worm 8 is meshed with the worm wheel 7. The reduction gear 9 is also rotatably arranged in the first shell 11, the reduction gear 9 is meshed with the worm wheel 7, the output gear 10 is rotatably arranged in the first shell 11, the output gear 10 is meshed with the reduction gear 9, and the output piece 13 is coaxially and fixedly connected with the output gear 10. Therefore, the output shaft of the driving motor 2 rotates the worm 8, thereby rotating the worm wheel 7, the worm wheel 7 rotates the reduction gear 9, and the reduction gear 9 rotates the output gear 10, thereby rotating the output member 13.

Example 2

A reduction gearbox, which is different from the embodiment 1 in that: referring to fig. 4, the abutment 3 is connected to the housing 1 in a different manner. The abutting part 3 is provided with a plugging part 14, the plugging part 14 is arranged on one surface of the abutting part 3 for abutting against the shell 1, and the plugging part 14 is fixedly connected with the abutting part 3. The first shell 11 and the second shell 12 are both provided with an insertion groove for inserting the insertion part 14, the insertion part 14 is inserted into the insertion groove, a groove wall of the insertion groove is abutted against the insertion part 14, and the abutting part 3 is abutted against the housing 1. The arrangement of the insertion part 14 and the insertion groove realizes the detachable connection of the abutting part 3 and the shell 1, and when the driving motor 2 with smaller length is not required to be installed, only the abutting part 3 needs to be taken out; when the driving motor 2 with a smaller length needs to be installed, the insertion part 14 of the abutting piece 3 is inserted into the insertion groove, so that the abutting piece 3 abuts against the shell 1, and meanwhile, the side surface of the abutting piece 3 abuts against the end surface of the driving motor 2. The drive motor 2 is thus fixed in the cavity 4, and the abutment 3 is also fixed between the housing 1 and the drive motor 2.

In order to enable the driving motor 2 to be more stable when being placed in the cavity 4, the rubber strip 15 is arranged on the side face of the inserting portion 14, the rubber strip 15 has certain elasticity, the rubber strip 15 is used for being abutted to the groove wall of the inserting groove, and interference fit is formed between the rubber strip 15 and the inserting groove. Therefore, the inserting part 14 on the abutting part 3 is inserted into the inserting groove more stably, and the connecting strength of the abutting part 3 and the shell 1 is higher. And, a plurality of rubber bumps 16 are arranged on one surface of the supporting piece 6, which is used for being abutted against the driving motor 2, and the plurality of rubber bumps 16 are used for being abutted against the side surface of the driving motor 2. The rubber protrusion 16 increases the friction force between the support 6 and the side surface of the driving motor 2, so that the movement of the driving motor 2 in the length direction is further limited, and the abutment of the driving motor 2 and the support 6 is more stable.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A reduction box is characterized in that: including shell (1), driving motor (2), transmission assembly and a plurality of butt piece (3), be provided with in shell (1) and be used for the installation cavity (4) of driving motor (2), a plurality of butt piece (3) are installed on the inner wall of shell (1) upper chamber (4), driving motor (2) are arranged in cavity (4) and with butt piece (3) looks butt, transmission assembly installs in shell (1), and the output shaft of driving motor (2) with transmission assembly is connected.

2. A reduction gearbox according to claim 1, characterised in that: the abutting piece (3) is arranged in an arc shape, one surface, close to the shell (1), of the abutting piece (3) is attached to the shell (1), and the abutting piece (3) is fixedly connected with the shell (1).

3. A reduction gearbox according to claim 1, characterised in that: the shell (1) comprises a first shell (11) and a second shell (12), the first shell (11) is fixedly connected with the second shell (12), and the cavity (4) is formed by splicing the first shell (11) and the second shell (12).

4. A reduction gearbox according to claim 3, characterised in that: the first shell (11) and the second shell (12) are provided with a plurality of abutting strips (5), the abutting strips (5) are fixedly arranged in the cavity (4), and the abutting strips (5) are used for abutting against the side faces of the driving motor (2).

5. A reduction gearbox according to claim 2, characterised in that: one surface of the abutting piece (3) used for abutting against the end face of the driving motor (2) is provided with a bearing piece (6), the bearing piece (6) is fixedly connected with the abutting piece (3), and the bearing piece (6) is used for abutting against the side face of the driving motor (2).

6. A reduction gearbox according to claim 5, characterised in that: the supporting piece (6) is provided with a plurality of rubber bulges (16) on one surface which is used for being abutted against the driving motor (2), and the rubber bulges (16) are used for being abutted against the side surface of the driving motor (2).

7. A reduction gearbox according to claim 1, characterised in that: the abutting connection piece (3) is provided with an inserting connection part (14), the shell (1) is correspondingly provided with an inserting connection groove, the inserting connection part (14) is inserted into the inserting connection groove, and the groove wall of the inserting connection groove is abutted to the inserting connection part (14).

8. A reduction gearbox according to claim 7, characterised in that: the rubber strip (15) is arranged on the side face of the inserting part (14), the rubber strip (15) is used for being abutted to the wall of the inserting groove, and the rubber strip (15) is in interference fit with the inserting groove.