CN219268646U

CN219268646U - Motor clutch structure

Info

Publication number: CN219268646U
Application number: CN202320068488.6U
Authority: CN
Inventors: 童海云
Original assignee: Ningbo Yinzhou Juyun Machinery Parts Co ltd
Current assignee: Ningbo Yinzhou Juyun Machinery Parts Co ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-06-27
Anticipated expiration: 2033-01-10

Abstract

The motor clutch structure is characterized by comprising a mounting frame, a driving motor and a clutch assembly, wherein the driving motor and the clutch assembly are mounted on the mounting frame; the clutch assembly comprises a driving wheel, a fixing frame, a driving wheel and a driven wheel; the fixing frame is connected to the mounting frame, and a limiting hole is formed in the fixing frame; the driving wheel is in driving connection with the driving motor, and a screw rod is fixedly connected in the driving wheel along the axial direction; an inner cavity which is penetrated along the axial direction is formed in the screw rod, and the driving wheel is rotationally connected to the screw rod; an adjusting rod is connected in the inner cavity in a threaded manner; one end of the adjusting rod sequentially passes through the screw rod and the limiting hole and is telescopically connected in the limiting hole, and the other end of the adjusting rod passes through the screw rod and is connected with a driven wheel; the driving wheel and the driven wheel are respectively provided with a meshing tooth, and the driving wheel and the driven wheel are meshed with each other through the meshing teeth.

Description

Motor clutch structure

Technical Field

The application relates to the technical field of clutch transmission, in particular to a motor clutch structure.

Background

The clutch motor generally comprises a motor body and a clutch, and the clutch is engaged with and disengaged from the clutch by the clutch, so that the motor is driven to a working area or the motor is disconnected from the working area.

Chinese patent discloses a clutch driving device (publication No. CN 106523547A) comprising a driving motor and a clutch transmission mechanism; the clutch transmission mechanism comprises a frame body, a worm which is rotatably arranged on the frame body, a belt pulley which is fixedly arranged on the worm, a turbine which is matched with the worm, a first one-way overrunning clutch, a first transmission shaft, a second one-way overrunning clutch and a second transmission shaft; the inner wall of the shaft hole of the turbine is provided with a first mounting groove and a second mounting groove, the first one-way overrunning clutch is arranged in the first mounting groove, and the second one-way overrunning clutch is arranged in the second mounting groove; one end of the first transmission shaft is inserted into the mounting hole of the first one-way overrunning clutch, and the other end of the first transmission shaft is provided with a first driving shaft connecting part which is matched with the first driven shaft connecting part; one end of the second transmission shaft is inserted into the mounting hole of the second one-way overrunning clutch, and the other end of the second transmission shaft is provided with a second driving shaft part which is matched with the second driven shaft part; the locking directions of the first one-way overrunning clutch and the second one-way overrunning clutch are opposite; when the driving motor drives the belt pulley to rotate forward, the worm drives the turbine to rotate forward, and the turbine drives the first transmission shaft and the first driving coupling part to rotate through the first one-way overrunning clutch; when the driving motor drives the belt pulley to reversely rotate, the worm drives the turbine to reversely rotate, and the turbine drives the second transmission shaft and the second driving shaft part to rotate through the second one-way overrunning clutch.

The clutch driving device drives the belt pulley to rotate through a driving motor, a driving wheel and a belt which are connected to an output shaft of the driving motor, and then drives the belt pulley to rotate through a worm and gear structure which is connected with the belt pulley, a two-stage overrunning clutch and two transmission shafts are arranged in the worm gear, and the rotation of the worm gear is driven to the transmission shafts through threaded connection between the worm gear and the transmission shafts, so that the reciprocating motion of the transmission shafts in the worm gear is realized, and the connection and disconnection of the transmission are realized through the overrunning clutch.

But the clutch driving device comprises a three-stage transmission structure of driving a motor to a belt pulley, driving the belt pulley to a worm gear and then driving the worm gear to a transmission shaft, and has long transmission path and relatively large and complex structure.

Disclosure of Invention

For solving the problem that exists among the above-mentioned prior art, this application provides a motor clutch structure, has the advantage that the transmission route is short and simple structure.

The technical scheme that this application adopted is:

the motor clutch structure is characterized by comprising a mounting frame, a driving motor and a clutch assembly, wherein the driving motor and the clutch assembly are mounted on the mounting frame;

the clutch assembly comprises a driving wheel, a fixing frame, a driving wheel and a driven wheel;

the fixing frame is connected to the mounting frame, and a limiting hole is formed in the fixing frame;

the driving wheel is in driving connection with the driving motor, and a screw rod is fixedly connected in the driving wheel along the axial direction;

an inner cavity which is penetrated along the axial direction is formed in the screw rod, and the driving wheel is rotationally connected to the screw rod;

an adjusting rod is connected in the inner cavity in a threaded manner; one end of the adjusting rod sequentially passes through the screw rod and the limiting hole and is telescopically connected in the limiting hole, and the other end of the adjusting rod passes through the screw rod and is connected with a driven wheel;

the driving wheel and the driven wheel are respectively provided with a meshing tooth, and the driving wheel and the driven wheel are meshed with each other through the meshing teeth.

The driving motor drives the driving wheel to rotate, the driving wheel drives the screw rod to rotate, an inner worm and gear structure is formed among the screw rod, the adjusting rod and the limiting hole, and the adjusting rod axially translates under the limit of the limiting hole, so that the driven wheel is driven to be close to or far from the driving wheel; when the driven wheel is close to the driving wheel, the driven wheel is meshed with the meshing teeth on the driving wheel, and the driving wheel drives the driven wheel to drive; when the driven wheel is far away from the driving wheel, the driven wheel is disconnected with the driving wheel in a transmission way.

According to an embodiment of the present utility model, the motor clutch structure further includes a transmission member;

the driving wheel is in driving connection with the driving motor through a driving piece.

According to an embodiment of the utility model, the driving motor comprises an output shaft, and the output shaft is connected with a driving belt pulley;

the transmission part is a transmission belt, and the transmission wheel is a transmission belt wheel;

the driving motor drives the driving wheel to rotate through belt transmission.

The driving motor drives the driving wheel to rotate through belt transmission, and has the advantages of stable transmission, simple structure and convenient maintenance and replacement.

According to the embodiment of the utility model, a bearing is arranged between the driving wheel and the screw rod;

the driving wheel is rotatably connected to the periphery of the screw rod through a bearing.

The driving wheel can rotate relative to the screw rod, so that the driving wheel can be driven independently.

According to the embodiment of the utility model, a bearing is arranged between the driven wheel and the adjusting rod;

the driven wheel is rotatably connected to the periphery of the adjusting rod through a bearing, and the bearing is limited by a reed and is connected to the driven wheel.

The driven wheel can also rotate relative to the adjusting rod, so that the driving wheel can drive the driven wheel, and the driven wheel is conveniently externally connected with other driven components; the reed can limit the position of the driven wheel and ensure that the driven wheel stretches and contracts together with the adjusting rod.

According to the embodiment of the utility model, a bearing is arranged between the fixing frame and the screw rod;

the screw rod is rotatably connected with the fixing frame through a bearing.

The bearing between the fixing frame and the screw rod can enable the screw rod to be installed and rotated more stably.

According to the embodiment of the utility model, the motor clutch structure further comprises a main motor; the mounting frame is fixedly connected to the main motor.

According to the embodiment of the utility model, the output shaft of the main motor is connected with a driving wheel, and the driving wheel is in transmission connection with the driving wheel.

The main motor drives the driving wheel to rotate through the driving wheel.

According to the embodiment of the utility model, the driving wheel is a gear, and the driving wheel is also a gear; the driving wheel is in meshed transmission connection with the driving wheel through a gear;

or;

the driving wheel is a chain wheel, and the driving wheel is also a chain wheel; the driving wheel is connected with the driving wheel through a transmission chain.

According to an embodiment of the utility model, the driven wheel is a gear or a sprocket.

The driving wheel, the driving wheel and the driven wheel can be gears or chain wheels, the driving wheel and the driving wheel can be driven by gears or chain wheels, and the driven wheel can be driven by gears or chain wheels to drive other driven components.

The beneficial effects of this application lie in:

the screw rod and the adjusting rod form an inner worm and gear structure; the driving motor drives the driving wheel and the screw rod to rotate, and the rotation of the screw rod drives the adjusting rod to stretch and retract relative to the limiting hole, so that clutch transmission of the driving wheel and the driven wheel is realized; the motor clutch structure is simple in structure and short in transmission path.

Drawings

The present application will be described in further detail below in conjunction with the drawings and preferred embodiments, but it will be appreciated by those skilled in the art that these drawings are drawn for the purpose of illustrating the preferred embodiments only and thus should not be taken as limiting the scope of the present application. Moreover, unless specifically indicated otherwise, the drawings are merely schematic representations, not necessarily to scale, of the compositions or constructions of the described objects and may include exaggerated representations.

FIG. 1 is a schematic diagram of a motor clutch structure provided in an embodiment of the present application;

FIG. 2 is a front view of a motor clutch structure provided in an embodiment of the present application;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 of the present application;

FIG. 4 is a cross-sectional view of FIG. 2 taken along the direction B-B in the present application;

FIG. 5 is a schematic illustration of the internal structure of a clutch assembly provided in an embodiment of the present application;

fig. 6 is an exploded schematic view of a clutch assembly provided in an embodiment of the present application.

In the figure: 1. a driving motor; 1a, a driving belt pulley; 2. a transmission belt; 3. a sheet metal frame; 3a, extension region; 4. a driving wheel; 5. a driving wheel; 6. driven wheel; 7. a mounting frame; 7a, limiting holes; 8. a bearing; 9. a reed; 10. meshing teeth; 11. an adjusting rod; 11a, header; 11b, a threaded portion; 11c, tail; 11d, limiting rings; 12. a screw rod; 13. a fastening screw; 14. a main motor; 14a, driving wheels.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

Example 1

Referring to fig. 1-6, the present embodiment provides a motor clutch structure.

The motor clutch structure comprises a mounting frame 7, wherein the mounting frame 7 is a sheet metal frame 3, the sheet metal frame 3 is manufactured by adopting a sheet metal process, and the sheet metal frame 3 is fixedly connected to a main motor 14 through bolts; specifically, the sheet metal frame 3 is connected to the side surface of the main motor 14 provided with the output shaft by bolts, and the sheet metal frame 3 is provided with two holes for matching with the output shaft of the main motor 14 and the clutch assembly respectively, the sheet metal frame 3 is also provided with an extension area 3a, and the extension area 3a is also provided with a mounting hole for mounting the driving motor 1. The sheet metal frame 3 is provided with a driving motor 1 and a clutch assembly; the driving motor 1 is connected in the mounting hole of the extension area 3a by bolts, and the clutch assembly is connected in one of the holes by bolts.

The clutch assembly comprises a driving wheel 4, preferably, the driving wheel 4 is a driving belt 2 wheel, and a belt groove for being matched with the driving belt 2 is formed in the circumferential direction of the driving belt 2 wheel; the driving belt wheel 1a is connected to the output shaft of the driving motor 1 through bolts, a screw hole is formed in a belt groove of the driving belt wheel 1a, a fastening screw 13 is arranged in the screw hole, and the driving belt wheel 1a is fixedly connected with the output shaft of the driving motor 1 through the fastening screw 13; the driving belt pulley 1a is also provided with a belt groove for being matched with the driving belt 2; the driving belt 2 is connected between the driving belt 2 and the driving belt pulley 1a, the driving belt 2 drives the driving motor 1 and the driving wheel 4 to be connected in a driving way through belt transmission, and the driving motor 1 rotates to drive the driving wheel 4 to rotate.

The clutch assembly also comprises a mounting frame 7, the mounting frame 7 is arranged on one side, close to the main motor 14, of the clutch assembly, the mounting frame 7 is connected to one side, close to the main motor 14, of the metal plate frame 3 through bolts, the mounting frame 7 is also made of metal materials, rectangular limiting holes 7a are formed in the mounting frame 7, and the limiting holes 7a are used for limiting rotation of the adjusting rod 11.

Further, a cylindrical through hole is formed in the rotation axis of the driving belt 2 wheel, the axis of the through hole is coincident with the rotation axis of the driving belt 2 wheel, and a screw rod 12 is connected in the through hole; the grooved surface of the driving belt 2 wheel is provided with an internal threaded hole, and a fastening screw 13 is arranged in the internal threaded hole; the driving belt 2 wheel is connected with the screw rod 12 through the internal thread hole in a threaded manner and fixed; the driving belt 2 rotates to drive the screw rod 12 to rotate together. The middle part of the screw rod 12 is provided with a through inner cavity along the direction of the rotation axis, an inner thread is arranged in the inner cavity, an adjusting rod 11 is connected in the inner cavity through the inner thread, an outer thread matched with the inner thread is arranged on the adjusting rod 11, and the adjusting rod 11 can rotate relative to the screw rod 12; the periphery of the screw rod 12 is also rotatably connected with a driving wheel 5 through a bearing 8; specifically, the driving belt 2 is arranged on the screw rod 12 at one side of the sheet metal frame 3 far away from the main motor 14, and the driving wheel 5 is arranged on the screw rod 12 at one side of the driving belt 2 far away from the main motor 14; the connection part of the driving wheel 5 and the bearing 8 is also provided with a stepped limit groove and a reed 9, and the limit groove and the reed 9 are used for limiting the positions of the bearing 8 and the driving wheel 5 and preventing the bearing 8 from generating axial displacement relative to the driving wheel 5; the connecting part of the screw rod 12 and the bearing 8 is also provided with a stepped limit groove and a reed 9, and the limit groove and the reed 9 are used for limiting the positions of the bearing 8 and the screw rod 12 and preventing the bearing 8 from generating axial displacement relative to the screw rod 12.

A bearing 8 is also arranged in the mounting frame 7, the bearing 8 is arranged between the screw rod 12 and the mounting frame 7, a stepped limiting groove is also formed in the mounting frame 7, and the aperture of a hole formed in the sheet metal frame 3 for mounting the clutch component is smaller than the diameter of the bearing 8; the limiting groove and the sheet metal frame 3 limit the bearing 8 at a fixed position, so that the bearing 8 is prevented from generating axial displacement on the screw rod 12, and the bearing 8 also limits the axial displacement on the screw rod 12 by the reed 9 and the sheet metal frame 3.

The adjusting rod 11 comprises a head part 11a, a threaded part 11b and a tail part 11c; the thread part 11b is in threaded connection with the threaded rod; the tail part 11c is of a cylinder structure with a rectangular cross section, the shape and the area of the cross section are equal to those of the limit hole 7a, the tail part 11c sequentially passes through the screw rod 12 and the limit hole 7a and extends to the outside of the mounting frame 7, and the mounting frame 7 limits the rotation freedom degree of the adjusting rod 11 through the cooperation of the limit hole 7a and the tail part 11c; the head 11a passes through the screw rod 12, and the driven wheel 6 is rotatably connected with the periphery of the head 11a through the bearing 8; specifically, the driven wheel 6 is located at one side of the driving wheel 5 far away from the main motor 14, and a stepped limit groove and a reed 9 are also arranged at the joint of the driven wheel 6 and the bearing 8, and the limit groove and the reed 9 are used for limiting the positions of the bearing 8 and the driven wheel 6 and preventing the driven wheel 6 from generating axial displacement relative to the bearing 8; the reed 9 is also arranged at the joint of the bearing 8 and the adjusting rod 11, a circle of limiting ring 11d is arranged at one end of the head part 11a far away from the main motor 14, the diameter of the limiting ring 11d is larger than that of the head part 11a, and the limiting ring 11d and the reed 9 jointly act to limit the axial displacement of the bearing 8 on the head part 11 a.

The tail part 11c is also connected with a circle of reed 9 at one end close to the main motor 14, and the reed 9 is used for limiting the moving distance of the adjusting rod 11 when moving far away from the main motor 14.

The driving wheel 5 and the driven wheel 6 are respectively provided with a circle of meshing teeth 10 along the axial direction, the meshing teeth 10 on the driving wheel 5 and the meshing teeth 10 on the driven wheel 6 can be meshed with each other, and when the meshing teeth 10 are meshed with each other, the driving wheel 5 and the driven wheel 6 form transmission connection, and the rotation of the driving wheel 5 drives the driven wheel 6 to rotate.

Example two

Referring to fig. 1-6, the present embodiment provides another embodiment based on the above embodiment.

The main motor 14 comprises an output shaft, and the output shaft penetrates through an opening in the sheet metal frame 3 and is connected with a driving wheel 14a through a key. Preferably, the key connection adopts flat key connection or spline connection. The driving wheel 14a is in transmission connection with the driving wheel 5.

Further, the driving wheel 14a and the driving wheel 5 are gears, and the driving wheel 14a and the driving wheel 5 are driven through gear tooth engagement of the gears; or the driving wheel 14a and the driving wheel 5 are chain wheels, and the driving wheel 14a and the driving wheel 5 are driven by a transmission chain; or, the driving wheel 14a and the driving wheel 5 are belt wheels, and the driving wheel 14a and the driving wheel 5 are driven by the driving belt 2.

Further, the driven wheel 6 can be any wheel with a transmission function, including but not limited to gears, sprockets, pulleys, etc.

After the main motor 14 transmits power to the driving wheel 5 through the driving wheel 14a, the driving wheel 5 transmits power to the driven wheel 6, and the driven wheel 6 drives the belt transmission device connected with the driving motor to move.

The remaining contents in this embodiment are the same as those in the first embodiment.

The working principle of the application is as follows:

the driving motor 1 is started, the output shaft of the driving motor 1 drives the driving belt pulley 1a to rotate, the driving belt pulley 1a drives the driving belt 2 to rotate through the driving belt 2, the rotation of the driving belt 2 drives the screw rod 12 to rotate together, the screw rod 12 transfers the rotation to the adjusting rod 11, and the adjusting rod 11 performs translational motion along the axial direction under the limit of the limiting hole 7a, so that the driven wheel 6 is driven to perform translational motion along the axial direction.

When the rotation direction of the driving motor 1 is positive, the adjusting rod 11 moves in a translational manner away from the main motor 14, and at the moment, the driven wheel 6 is away from the driving wheel 5, and the driven wheel 6 is disconnected from the driving wheel 5.

When the rotation direction of the driving motor 1 is reverse, the adjusting rod 11 moves in a translational way close to the main motor 14, the driven wheel 6 approaches the driving wheel 5, and the driving wheel 5 and the meshing teeth 10 of the driven wheel 6 are meshed with each other to form transmission connection; at this time, the main motor 14 is started to rotate, the rotation of the driving wheel 14a drives the driving wheel 5 to rotate together, and the rotation of the driving wheel 5 is transmitted to the driven wheel 6 and drives the driven wheel 6 to rotate together; the driven wheel 6 then drives the other components to be driven in a driving connection with it.

Any combination of the above embodiments is possible.

The foregoing has outlined rather broadly the principles and embodiments of the present application in order that the detailed description of the utility model may be better understood, and in order that the present application may be better understood. It should be noted that it would be obvious to those skilled in the art that various improvements and modifications can be made to the present application without departing from the principles of the present application, and such improvements and modifications fall within the scope of the claims of the present application.

Claims

1. The motor clutch structure is characterized by comprising a mounting frame (7), and a driving motor (1) and a clutch assembly which are arranged on the mounting frame (7);

the clutch assembly comprises a driving wheel (4), a fixing frame, a driving wheel (5) and a driven wheel (6);

the fixing frame is connected to the mounting frame (7), and a limiting hole (7 a) is formed in the fixing frame;

the driving wheel (4) is in transmission connection with the driving motor (1), and a screw rod (12) is fixedly connected in the driving wheel (4) along the axial direction;

an inner cavity which is penetrated along the axial direction is formed in the screw rod (12), and the driving wheel (5) is rotationally connected to the screw rod (12);

an adjusting rod (11) is connected in the inner cavity in a threaded manner; one end of an adjusting rod (11) sequentially passes through the screw rod (12) and the limiting hole (7 a) and is telescopically connected in the limiting hole (7 a), and the other end of the adjusting rod (11) passes through the screw rod (12) and is connected with a driven wheel (6);

the driving wheel (5) and the driven wheel (6) are respectively provided with a meshing tooth (10), and the driving wheel (5) and the driven wheel (6) are meshed with each other through the meshing teeth (10).

2. The motor clutch structure according to claim 1, further comprising a transmission member;

the driving wheel (4) is in transmission connection with the driving motor (1) through a transmission part.

3. The motor clutch structure according to claim 2, wherein the driving motor (1) comprises an output shaft, and the output shaft is connected with a driving pulley (1 a);

the transmission part is a transmission belt (2), and the transmission wheel (4) is a transmission belt (2) wheel;

the driving motor (1) drives the driving wheel (4) to rotate through the belt driving belt (2).

4. The motor clutch structure according to claim 1, wherein a bearing (8) is arranged between the driving wheel (5) and the screw rod (12);

the driving wheel (5) is rotatably connected with the periphery of the screw rod (12) through a bearing (8).

5. The motor clutch structure according to claim 1, characterized in that a bearing (8) is arranged between the driven wheel (6) and the adjusting rod (11);

the driven wheel (6) is rotatably connected to the periphery of the adjusting rod (11) through a bearing (8), and the bearing (8) is limited by a reed (9) and is connected to the driven wheel (6).

6. The motor clutch structure according to claim 1, characterized in that a bearing (8) is arranged between the fixing frame and the screw rod (12);

the screw rod (12) is rotatably connected with the fixing frame through a bearing (8).

7. The motor clutch structure according to claim 1, characterized by further comprising a main motor (14); the mounting frame (7) is fixedly connected to the main motor (14).

8. The motor clutch structure according to claim 7, wherein the output shaft of the main motor (14) is connected with a driving wheel (14 a), and the driving wheel (14 a) is in transmission connection with the driving wheel (5).

9. The motor clutch structure according to claim 8, wherein the driving wheel (14 a) is a gear, and the driving wheel (5) is also a gear; the driving wheel (14 a) is in transmission connection with the driving wheel (5) through gear engagement;

or;

the driving wheel (14 a) is a chain wheel, and the driving wheel (5) is also a chain wheel; the driving wheel (14 a) is connected with the driving wheel (5) through a transmission chain.

10. Motor clutch structure according to claim 1, characterized in that the driven wheel (6) is a gear or a sprocket.