CN214092962U

CN214092962U - Coupling mechanism without coupling

Info

Publication number: CN214092962U
Application number: CN202022936769.8U
Authority: CN
Inventors: 程勇玖
Original assignee: Hangzhou Hengye Motor Manufacture Co ltd
Current assignee: Hengye Intelligent Drive Hangzhou Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-08-31
Anticipated expiration: 2030-12-10

Abstract

The utility model provides a no shaft coupling mechanism of shaft coupling, belongs to gear motor technical field, including connecting complex motor and gear reducer, adopts axial grafting cooperation, the spacing transmission connection structure of circumference relative rotation between the pivot of its characterized in that motor, gear reducer's the tooth axle, and the cooperation of the junction position of pivot and tooth axle sets up support bearing, and the connection cooperation end of pivot, tooth axle cup joints respectively in support bearing technical scheme novel in design, rational in infrastructure adopts the grafting cooperation to constitute direct transmission to be connected between motor pivot and the reducer one-level tooth axle to adopt a bearing to support jointly, reduced the application of parts such as bearing, shaft coupling, obviously simplified mounting structure, reduce the fault occurrence point, reduce the fault occurrence rate, promote system stability, also reduce simultaneously and make and maintenance cost.

Description

Coupling mechanism without coupling

Technical Field

The utility model belongs to the technical field of gear motor, concretely relates to coupling mechanism of no shaft coupling.

Background

The cleaning power of the full-automatic cleaning equipment is provided by a speed reducing motor of the full-automatic automobile cleaning equipment, and is transmitted to the speed reducer from the motor and then transmitted to the equipment using end by the speed reducer. The transmission of power from the motor to the speed reducer generally has two types of structural forms: the direct connection transmission of an integrated structure is adopted, namely, a motor rotating shaft and a first-stage gear shaft or worm of a speed reducer are directly transmitted, and the indirect connection transmission of a coupling serving as a transmission piece is adopted, namely, the motor and the speed reducer are connected by a flange structure, and the power is transmitted between the motor rotating shaft and the first-stage gear shaft or worm of the speed reducer by the coupling structure. The direct connection transmission mode of the integrated structure has high transmission efficiency in practical application, simple assembly process, no power loss, few connecting points during installation, few related supporting parts and low failure probability, but the processing requirement on the rotating shaft is improved, and in addition, the motor and the speed reducer are integrated and need to be completed by the same manufacturer, which is different from the current situation that the motor and the speed reducer are often manufactured by different units under the prior condition, the manufacturing loop is difficult to realize, in addition, the maintenance cost is high in the use process, the problem of the motor end or the speed reducer end needs to be integrally replaced, so the direct connection transmission of the motor to the speed reducer integrated structure is difficult to be generally used in practical application, and the indirect connection transmission structure adopting the coupler as the intermediate transmission piece can be manufactured by different manufacturers due to the split processing of the motor and the speed reducer, has better adaptability. The indirect connection transmission structure adopts a coupler as a transmission part, the installation structure in the full-automatic cleaning and cleaning equipment is that a motor and a speed reducer are respectively installed in the equipment through two bearings, the motor and the speed reducer are fixedly connected through a flange, a motor rotating shaft and a first-stage gear shaft or a worm of the speed reducer are connected and transmitted through the coupler, and compared with the direct connection transmission structure with an integrated structure, the indirect connection transmission structure mainly has the problems that the installation bearings, the coupler, the flange and other parts are added, and the increase of the parts means the problems of the increase of the manufacturing cost, the increase of the failure rate, the reduction of the system stability and the like in practical application.

Based on the analysis of the above-mentioned prior art problem, this technical scheme focuses on combining the advantage of two kinds of transmission connection structure, avoiding two kinds of transmission connection structure's disadvantage, develops a transmission connection structure who is exclusively used in motor and reduction gear.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a no shaft coupling's coupling mechanism technical scheme to overcome the problem that exists among the prior art, reduce the part and use, the hoist system stability.

The coupling mechanism without the coupling comprises a motor and a gear reducer which are connected and matched, and is characterized in that a transmission connecting structure with axial insertion matching and circumferential relative rotation limiting is adopted between a rotating shaft of the motor and a gear shaft of the gear reducer, a supporting bearing is arranged at the connecting position of the rotating shaft and the gear shaft in a matching mode, and the connecting and matching ends of the rotating shaft and the gear shaft are respectively sleeved in the supporting bearing.

The coupling mechanism without the coupler is characterized in that a radial open slot is formed in the matching end of the rotating shaft and the gear shaft, a radial boss is arranged in the matching end of the gear shaft and the rotating shaft, and the radial boss is inserted in the radial open slot to form a transmission connection structure with axial insertion fit and circumferential relative rotation limit between the gear shaft and the rotating shaft.

The coupling mechanism without the coupler is characterized in that a square hole is axially formed in the rotating shaft, the opening of the square hole is formed in the matching end face of the rotating shaft and the gear shaft, the front portion of the gear shaft is axially provided with a square column matched with the square hole in shape size, and the square column is inserted into the square hole to form a transmission connecting structure which is matched with the gear shaft in an axial insertion mode and limited in circumferential relative rotation mode between the gear shaft and the rotating shaft.

The coupling mechanism without the coupler is characterized in that the radial boss is in clearance fit with the radial open slot.

The coupling mechanism without the coupler is characterized in that a square column arranged at the front part of a gear shaft is in clearance fit with a square hole axially arranged on a rotating shaft.

The coupling mechanism without the coupler is characterized in that the front end face of the rotating shaft is in clearance fit with the bottom end face of the gear shaft, and the bottom end face of the gear shaft is a connecting plane of the bottom of the radial boss or the square column and the gear shaft.

The coupling mechanism without the coupler is novel in design and reasonable in structure, the motor rotating shaft and the gear reducer primary gear shaft are connected in a direct transmission mode through the insertion matching, and a bearing is adopted for supporting jointly, so that the application of parts such as the bearing and the coupler is reduced, the mounting structure is obviously simplified, fault occurrence points are reduced, the fault occurrence rate is reduced, the system stability is improved, and meanwhile, the manufacturing and maintenance cost is also reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the part A of FIG. 1;

FIG. 3 is a schematic view of the connection and engagement structure of the rotating shaft and the gear shaft;

in the figure: 1-gear shaft, 1 a-radial boss, 1 b-gear shaft bottom end face, 1 c-boss side face, 2-support bearing, 3-rotating shaft, 3 a-radial open slot, 3 b-rotating shaft front end face, 3 c-slot side wall, 4-motor and 5-gear reducer.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings:

as shown in the figure, the coupling mechanism without a coupling is used for realizing the transmission connection between the motor 4 and the gear reducer 5, and the specific structure is as follows: a transmission connecting structure with axial splicing fit and circumferential relative rotation limit is adopted between a rotating shaft 3 of the motor 4 and a gear shaft 1 of the gear reducer 5, a supporting bearing 2 is arranged at the connecting position of the rotating shaft 3 and the gear shaft 1 in a matching way, and the connecting and matching ends of the rotating shaft 3 and the gear shaft 1 are respectively sleeved in the supporting bearing 2; by adopting the technical scheme to connect the motor 4 and the gear reducer 5, the direct transmission connection between the rotating shaft 3 of the motor 4 and the gear shaft 1 of the gear reducer 5 is realized, and the support bearing 2 is adopted to support jointly, so that the application of parts such as bearings, couplings and the like is reduced, the installation structure is obviously simplified, fault occurrence points are reduced, the fault occurrence rate is reduced, the system stability is improved, and meanwhile, the manufacturing and maintenance cost is also reduced.

In the above embodiment, the matching end of the rotating shaft 3 and the gear shaft 1 is provided with the radial open slot 3a, and the radial open slot 3a adopts a structure that is axially inwards arranged from the rotating shaft front end surface 3b of the rotating shaft 3 and radially penetrates through the slot; the transmission connection structure comprises a gear shaft 1, a radial boss 1a, a radial opening groove 3a, a radial boss 1a, a radial boss side surface 1c, a radial boss side wall 3c and a radial boss side surface 1a, wherein the gear shaft 1 is matched with the radial opening groove 3a in an axial insertion mode, and the radial boss 1a is connected with the radial opening groove 3a in a circumferential relative rotation limiting mode; meanwhile, the front end face 3b of the rotating shaft is in clearance fit with the bottom end face 1b of the gear shaft, so that the overall stability of the connection between the rotating shaft 3 and the gear shaft 1 is improved, and the bottom end face 1b of the gear shaft is a connection plane of the radial boss 1a and the gear shaft 1.

In the above embodiment, the rotating shaft 3 is axially provided with a square hole, an opening of the square hole is arranged on a matching end surface of the rotating shaft 3 and the gear shaft 1, namely a front end surface 3b of the rotating shaft, the front part of the gear shaft 1 is axially provided with a square column with an external dimension matched with the square hole, a bottom extension of the square column and a connecting plane of the gear shaft 1 form a bottom end surface 1b of the gear shaft, the square column is inserted in the square hole to form a transmission connecting structure with axial insertion matching and circumferential relative rotation limiting between the gear shaft 1 and the rotating shaft 3, and the square column is inserted in the square hole to adopt clearance fit, so that the assembly is convenient, and effective transmission connection can be realized; meanwhile, the front end face 3b of the rotating shaft is in clearance fit with the bottom end face 1b of the gear shaft, so that the overall stability formed by the connection of the rotating shaft 3 and the gear shaft 1 is improved.

Claims

1. The utility model provides a no shaft coupling mechanism of shaft coupling, is including connecting complex motor (4) and gear reducer (5), adopts axial grafting cooperation, the spacing transmission connection structure of circumference relative rotation between pivot (3) of its characterized in that motor (4), gear reducer (5) the tooth axle (1), pivot (3) and the cooperation of the junction position of tooth axle (1) set up support bearing (2), the connection cooperation end of pivot (3), tooth axle (1) cup joints respectively in support bearing (2).

2. The coupling mechanism without the coupling according to claim 1, wherein the mating end of the rotating shaft (3) and the gear shaft (1) is provided with a radial open slot (3a), the mating end of the gear shaft (1) and the rotating shaft (3) is provided with a radial boss (1a), and the radial boss (1a) is inserted into the radial open slot (3a) to form a transmission connection structure with axial insertion fit and circumferential relative rotation limit between the gear shaft (1) and the rotating shaft (3).

3. The coupling mechanism without the coupling according to claim 1, wherein the rotating shaft (3) is axially provided with a square hole, the opening of the square hole is arranged on the matching end surface of the rotating shaft (3) and the gear shaft (1), the front part of the gear shaft (1) is axially provided with a square column with the external dimension matched with the square hole, and the square column is inserted in the square hole to form a transmission connection structure with axial insertion matching and circumferential relative rotation limiting between the gear shaft (1) and the rotating shaft (3).

4. A coupling-less coupling mechanism according to claim 2, characterized in that the radial projections (1a) are clearance-fitted with the radial open grooves (3 a).

5. A coupling-less coupling mechanism according to claim 3, characterized in that the square column arranged in front of the gear shaft (1) is in clearance fit with the axially arranged square hole in the rotor shaft (3).

6. A coupling-free coupling mechanism according to claim 2, wherein the front end surface (3b) of the shaft (3) is in clearance fit with the bottom end surface (1b) of the gear shaft (1), and the bottom end surface (1b) is the connecting plane of the radial boss (1a) and the gear shaft (1).

7. A coupling-free coupling mechanism according to claim 3, wherein the front end surface (3b) of the shaft (3) is in clearance fit with the bottom end surface (1b) of the gear shaft (1), and the bottom end surface (1b) of the gear shaft is a connecting plane of the bottom of the square column and the gear shaft (1).