CN218829465U

CN218829465U - Gear box motor structure

Info

Publication number: CN218829465U
Application number: CN202223036039.8U
Authority: CN
Inventors: 陈彬; 付航
Original assignee: Shenzhen Envision Motor Co ltd
Current assignee: Shenzhen Envision Motor Co ltd
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-04-07
Anticipated expiration: 2032-11-15

Abstract

In order to solve the problem that the installation of carbon brush holder is inconvenient and motor overall assembly is loaded down with trivial details, mistake appears easily, the utility model provides a gear box motor structure, its technical scheme who solves technical problem includes gear box, carbon brush holder, all offer the through-hole that is used for through the motor shaft on gear box and the carbon brush holder, gear box and carbon brush holder lug connection, be equipped with the locating hole on the bottom surface of gear box, seted up on the terminal surface of carbon brush holder with locating hole complex reference column. The structure of the protecgulum on traditional gear box motor has been abandoned to this application, makes the lug connection between carbon brush frame and the gear box, has improved the wholeness of motor, has reduced carbon brush frame probably to produce the skew or because of the extrusion edge fracture appears and then influence the risk of the life of whole motor in the installation, has simplified the assembly process of motor.

Description

Gear box motor structure

Technical Field

The utility model belongs to the technical field of the gear box motor, especially, gear box motor structure.

Background

In the production process of the brush motor, the carbon brush holder is usually placed on the carbon brush holder mounting position reserved in the iron cylinder firstly, then the carbon brush plate is locked into the motor by the front cover of the motor, the integral structure of the motor is not considered, the carbon brush holder is only placed by the reserved position of the iron cylinder before the front cover is locked, and the carbon brush holder is possible to deviate when being locked into the motor along with the front cover or the edge is broken due to extrusion to further influence the service life of the whole motor.

In addition, the design idea of the traditional gearbox motor is to divide the whole product into a motor part and a gearbox part, namely, the motor part and the gearbox part are assembled respectively and then the assembled gearbox part and the motor part are combined together, the production mode is quite mature, but the production method ensures that the whole product needs to be reversed back and forth in the production process, so that the production process of the motor becomes more complicated, and the production personnel easily make mistakes and overlooks due to the reversal back and forth, so that the assembly problem of individual motors can occur.

To solve the above problems, a new carbon brush plate structure is needed, so that the alignment of the motor is completed when the motor is installed, whether the installation of the carbon brush plate is in place or not needs to be considered before the locking of the motor, and the structure of the motor needs to be redesigned.

SUMMERY OF THE UTILITY MODEL

In order to solve the carbon brush frame installation inconvenient and motor assembly loaded down with trivial details, the problem of mistake appears easily, the utility model provides a gear box motor structure, the design of traditional gear box motor has been abandoned, among the function integration carbon brush frame with the motor protecgulum and the cooperation of gear box, let carbon brush frame increase the reference column, gear box bottom increases the locating hole, it is supplementary no longer to need fix a position with the help of the protecgulum when letting motor gear box install, make whole gear box motor no longer with the motor, the differentiation of gear box two parts, the wholeness that makes the motor is stronger, because remove the protecgulum makes and need not make a round trip to reverse the motor at the in-process of producing the motor, and also accord with relevant environmental protection policy more when further having reduced the manufacturing cost of motor.

The utility model provides a gear box motor structure, its technical scheme who solves technical problem includes gear box, carbon brush holder, all offer the through-hole that is used for through the motor shaft on gear box and the carbon brush holder, gear box and carbon brush holder lug connection, be equipped with the locating hole on the bottom surface of gear box, seted up on the terminal surface of carbon brush holder with locating hole complex reference column. The structure of protecgulum on traditional gear box motor has been abandoned in this application, make lug connection between carbon brush frame and the gear box, the wholeness of motor has been improved, in addition through increasing the reference column at carbon brush frame, the gear box bottom increases the locating hole, it is supplementary to let the motor gear box no longer need fix a position with the help of the protecgulum when the installation, reduced carbon brush frame probably produce the skew in the installation or appear the risk that the edge breaks and then influence the life of whole motor because of the extrusion, the assembly process of motor has been simplified.

Preferably, the number of the positioning columns and the number of the positioning holes are two and are respectively distributed symmetrically about the center of the through hole. Therefore, the relative position between the carbon brush holder and the gear box can be more accurately defined, and the assembly efficiency and the product quality are improved.

Preferably, a positioning groove is formed in the bottom surface of the gear box, and a positioning lug matched with the positioning groove is arranged on one end surface of the carbon brush holder. And another alignment reference is arranged, so that the accuracy of the assembly position can be further ensured, and the assembly is convenient.

Preferably, the number of the positioning grooves and the number of the positioning lugs are two and are respectively distributed symmetrically about the center of the through hole.

Preferably, the positioning groove is in transition fit with the positioning lug.

Preferably, threaded connection holes are formed in the bottom surface of the gear box, connection portions in one-to-one correspondence with the threaded connection holes are formed in one end surface of the carbon brush holder, and the connection portions are connected with the threaded connection holes through bolts so that the gear box is connected with the carbon brush holder.

Preferably, the positioning device further comprises an iron cylinder, wherein an open slot corresponding to the positioning lug is formed in the iron cylinder. The positioning lug and the open slot are used as the mounting reference of the iron cylinder and the carbon brush holder of the motor, so that the position relation between the iron cylinder and the carbon brush holder can be conveniently determined during assembly.

In summary, the utility model has at least the following advantages;

1. the motor has the advantages that the integrity of the motor is improved, the front cover structure of the traditional motor is simplified, materials required for manufacturing the front cover and a process for locking the front cover are omitted, the labor cost and material resources are greatly reduced, and the whole product can meet related environmental protection requirements.

2. Because the front cover is removed, the motor does not need to be reversed back and forth in the process of producing the motor, the assembly process of the motor is simplified, the production efficiency is improved, and the probability of errors possibly occurring in the assembly process is also reduced.

3. Through the arrangement of the positioning holes and the positioning columns, and the arrangement of the positioning grooves and the double positioning structures of the positioning lugs, the positioning accuracy can be guaranteed, and the assembling efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view of the carbon brush holder and gear box of the present invention;

fig. 2 is a structural diagram of the carbon brush holder of the present invention.

In the figure: 1. a gear case; 2. a carbon brush holder; 3. a through hole; 4. positioning holes; 5. a positioning column; 6. a positioning groove; 7. positioning the ear; 8. and (4) connecting the holes through threads.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a gear box motor structure, as shown in fig. 1-2, including gear box 1, carbon brush holder 2, all offer the through-hole 3 that is used for passing through the motor shaft on gear box 1 and the carbon brush holder 2, gear box 1 and carbon brush holder 2 lug connection, be equipped with locating hole 4 on the bottom surface of gear box 1, seted up on a terminal surface of carbon brush holder 2 with locating hole 4 complex reference column 5. The utility model discloses a gear box 1 is provided with two locating holes 4 of mutually supporting with novel reference column 5 of carbon brush holder 2 in the bottom, when actual assembly, with reference column 5 of carbon brush holder 2 aim at locating hole 4 of gear box 1, insert after again with the reservation mouth of an iron drum aim at carbon brush holder 2 the location ear 7 put into can, carbon brush holder 2 that uses this kind of fixed mode to make just can break away from the constraint of protecgulum with the gear, and because the reason of removing the protecgulum, the wholeness of motor has been strengthened. Finish the back with 1 unit mount of gear box, make the lower terminal surface of gear box 1 up, then in proper order with each part of motor pack into the motor in proper order can, reduced carbon brush frame 2 probably produce the skew in the installation or because of the extrusion edge fracture appears and then influence the risk of the life of whole motor, simplified the assembly process of motor, can promote production efficiency by a wide margin.

In order to further improve the accuracy of carbon brush holder 2 and gear box 1 location, the utility model provides a quantity of reference column 5 and locating hole 4 is two and respectively about 3 central symmetric distributions of through-hole. Therefore, the relative position between the carbon brush holder 2 and the gear box 1 can be more accurately defined, and the assembly efficiency and the product quality are improved.

In order to guarantee the stability of installation between gear box 1 and the carbon brush frame 2, the utility model provides a be formed with positioning groove 6 on gear box 1's the bottom surface, be equipped with on one end of carbon brush frame 2 with positioning groove 6 complex location ear 7. Another alignment reference is arranged and matched with the positioning column 5 and the positioning hole 4, so that the accuracy of the assembly position can be further ensured, and the assembly is convenient. The number of the positioning grooves 6 and the number of the positioning lugs 7 are two and are respectively distributed in central symmetry with respect to the through hole 3. The distribution structure and the effect are the same as those of the positioning columns 5 and the positioning holes 4. During actual design, the positioning groove 6 and the positioning lug 7 are in transition fit, and assembly is facilitated.

In order to realize the connection between the gear box 1 and the carbon brush holder 2, the bottom surface of the gear box 1 is provided with threaded connection holes 8, one end surface of the carbon brush holder 2 is provided with connection parts in one-to-one correspondence with the threaded connection holes 8, and the connection parts and the threaded connection holes 8 are connected through bolts so as to realize the connection between the gear box 1 and the carbon brush holder 2.

The utility model provides a 1 motor of gear box still includes an iron section of thick bamboo, seted up on an iron section of thick bamboo with the open slot that location ear 7 corresponds. Location ear 7 and open slot are as the installation benchmark of motor iron drum and carbon brush frame 2, and the motor iron drum is convenient for when the assembly and the mutual definite of position of carbon brush frame 2, and it needs to be noted that location ear 7 in this application not only can play with gear box 1 on positioning groove 6's cooperation, also can realize with the cooperation of open slot on the iron drum.

According to the gear box, the front cover of the motor structure of the traditional gear box 1 is abandoned, the materials required for manufacturing the front cover and the process of locking the front cover are omitted, the labor cost and the material resources are greatly reduced, and the whole product is enabled to better meet the relevant environmental protection requirements; meanwhile, the front cover is removed, so that the motor does not need to be reversed back and forth in the motor production process, the motor assembly process is simplified, the production efficiency is improved, and the probability of errors in the assembly process is reduced. In addition, the assembly connection between the gear box 1 and the carbon brush holder 2 is realized through the double-positioning structure of the positioning hole 4, the positioning column 5, the positioning groove 6 and the positioning lug 7, the positioning accuracy can be ensured, and the assembly efficiency is improved.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and decorations can be made, which are also considered as the protection scope of the present invention.

Claims

1. The utility model provides a gear box motor structure, includes gear box, carbon brush holder, all offer the through-hole that is used for passing through the motor shaft on gear box and the carbon brush holder, its characterized in that, gear box and carbon brush holder lug connection, be equipped with the locating hole on the bottom surface of gear box, seted up on the terminal surface of carbon brush holder with locating hole complex reference column.

2. The gearbox motor structure as recited in claim 1, wherein the number of said positioning posts and positioning holes is two and are respectively distributed symmetrically with respect to the center of said through hole.

3. A gearbox motor structure as defined in claim 1, wherein a positioning groove is formed on the bottom surface of the gearbox, and a positioning lug matched with the positioning groove is arranged on one end surface of the carbon brush holder.

4. A gearbox motor structure as defined in claim 3, wherein said positioning grooves and said positioning lugs are two in number and are respectively distributed symmetrically about the center of said through hole.

5. A gearbox motor construction as defined in claim 3, wherein said detent recesses are transition fitted with said detent lugs.

6. A gearbox motor structure as defined in claim 1, wherein a threaded connection hole is formed on the bottom surface of said gearbox, connection portions corresponding to the threaded connection holes one to one are formed on one end surface of said carbon brush holder, and said connection portions are connected to the threaded connection holes by bolts to thereby connect the gearbox to the carbon brush holder.

7. The gearbox motor structure as recited in claim 3, further comprising an iron cylinder, wherein the iron cylinder is provided with an open slot corresponding to the positioning lug.