CN217502350U

CN217502350U - Motor device convenient for manually rotating output shaft

Info

Publication number: CN217502350U
Application number: CN202220885270.5U
Authority: CN
Inventors: 孙旭东; 万士强; 高平
Original assignee: Hangzhou Wistar Mechanical And Electric Technology Co ltd
Current assignee: Hangzhou Wistar Mechanical And Electric Technology Co ltd
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-09-27
Anticipated expiration: 2032-04-15

Abstract

The utility model relates to a motor device convenient to manual rotatory output shaft. It has solved among the prior art problem that the motor shaft is difficult to carry out manual nimble regulation. It includes the motor core, the motor core is connected with the output shaft through separation and reunion structural connection, the separation and reunion structure includes separation and reunion driven shaft, the separation and reunion driven shaft other end links to each other with the activity of output shaft lower extreme, separation and reunion driven shaft circumference has a plurality of separation and reunion driven shaft trench, each separation and reunion driven shaft trench all has trench disengagement portion and trench joint portion, each separation and reunion driven shaft trench all is equipped with the movable body that can remove between trench disengagement portion and trench joint portion, when the movable body is located trench joint portion, mutual location between separation and reunion driven shaft and the output shaft, and when the movable body is located trench disengagement portion, remove the location between separation and the output shaft. The utility model has the advantages that: the operation is convenient and fast, and the use is flexible.

Description

Motor device convenient to manual rotatory output shaft

Technical Field

The utility model relates to the technical field of electric machines, concretely relates to motor device convenient to manual rotatory output shaft.

Background

In a conventional electric curtain driven by a motor, when the motor is powered on, the motor rotates to drive the curtain to open or close through a transmission mechanism. However, when power failure or power supply failure occurs, the motor cannot rotate, so that the electric curtain cannot continue to operate and can only stop at the position of power failure, which affects normal use of users. Therefore, some existing motors are internally provided with clutch mechanisms, and the output shafts of motor cores can be controlled to be connected with and separated from external output shafts in a power failure state. Therefore, when power is off, the output shaft of the motor core can be separated from the output shaft connected with the outside through the clutch mechanism, and a user can manually pull the curtain. However, in order to separate the output shaft of the motor core from the output shaft connected to the outside during power failure, the fixture block in the clutch structure needs to move a longer distance to be separated from the notch, and the fixture block is easy to cause errors, so that the normal use is influenced; in addition, the smoothness degree when the fixture block in the existing clutch structure moves is not enough, the phenomenon of locking often appears, the external output shaft is difficult to rotate easily, and the using effect is influenced.

In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, chinese patent document discloses a clutch device [ CN201210128120.0], which includes a cam disposed at one end of an output shaft connected to a motor, at least one latch attached to an outer wall of the cam, and a housing, wherein the cam and the latch are disposed in a circular groove at one end surface of the housing, the latch can slide along the outer wall, and a protrusion whose side surface can abut against the latch is disposed on a side wall of the circular groove.

The scheme solves the problem that the moving distance of the clamping block in the clutch structure in the prior art is long and errors are easy to occur to a certain extent, but the scheme still has a plurality of defects, such as: the smoothness of the fixture block during movement is not enough, the phenomenon of locking often occurs, the external output shaft is difficult to rotate, and the using effect is influenced.

Disclosure of Invention

The utility model aims at the above-mentioned problem, a reasonable in design, excellent in use effect's the motor device of the manual rotatory output shaft of being convenient for is provided.

In order to achieve the above purpose, the utility model adopts the following technical proposal: the motor device convenient for manually rotating the output shaft comprises a motor core, wherein the motor core is connected with the output shaft through a clutch structure, the clutch structure comprises a clutch driven shaft which is arranged between the motor core and the output shaft and one end of which is linked with the motor core, the other end of the clutch driven shaft is movably connected with the lower end of the output shaft, the clutch driven shaft is circumferentially provided with a plurality of clutch driven shaft slots which are positioned at the outer side of the lower end of the output shaft, each clutch driven shaft slot is provided with a slot separating part far away from the lower end of the output shaft and a slot combining part close to the lower end of the output shaft, each clutch driven shaft slot is provided with a movable body which can move between the slot separating part and the slot combining part, when the movable body is located at the slot position joint part, the clutch driven shaft and the output shaft are mutually positioned, and when the movable body is located at the slot position separation part, the clutch driven shaft and the output shaft are released from positioning. Through set up the separation and reunion structure between motor core and output shaft, utilize separation and reunion driven shaft trench and the activity body on the separation and reunion structure to carry out the activity location to separation and reunion driven shaft and output shaft, when motor core does not switch on, the activity body is located trench separation portion, remove the location between separation and reunion driven shaft and the output shaft, can rotate through manual flexibility, and when motor core switches on, then the activity body rotates to trench joint portion, then mutual location and synchronous rotation between separation and reunion driven shaft and the output shaft, the activity body removes smoothly, excellent in use effect.

In the above-mentioned motor device convenient to manual rotatory output shaft, separation and reunion driven shaft circumference has the separation and reunion driven disk with separation and reunion driven shaft coaxial setting, and separation and reunion driven shaft trench all runs through on the separation and reunion driven disk and circumference evenly distributed sets up, and separation and reunion driven shaft trench is curved form and the flexion inboard of separation and reunion driven shaft trench all sets up towards separation and reunion driven shaft axle center.

In foretell motor device convenient to manual rotatory output shaft, trench joint portion quantity is two and the symmetry sets up the one end both sides that are close to the separation and reunion driven shaft at separation and reunion driven shaft trench respectively, and each trench joint portion all includes the inboard border of trench that is the crookedness, passes through arc portion transition between two trench joint portions, and trench separation portion just is the trench outside border of crookedness for setting up keeping away from separation and reunion driven shaft one end at separation and reunion driven shaft trench.

In the motor device convenient for manually rotating the output shaft, the inner side edge of the slot position, the arc-shaped part and the outer side edge of the slot position are sequentially connected to form the clutch driven shaft slot position, and the notch of the clutch driven shaft slot position is provided with the arc-shaped chamfer part. The setting of arc chamfer portion can carry on spacingly to the activity body.

In foretell motor device convenient to manual rotatory output shaft, separation and reunion driven shaft one end is worn to locate inside of motor core and is linked to each other with the drive assembly transmission of motor core, and the separation and reunion driven shaft other end activity is worn to locate in the annular arch of output shaft lower extreme, and the annular arch circumference outside has a plurality of output shaft trench with the inboard border one-to-one in trench respectively, and when the movable body was located the trench junction, the inboard border in trench, movable body and output shaft trench mutual joint link to each other. Through when the activity body moves to trench joint portion, thereby it is spacing to carry out the joint to the activity body to utilize inboard border of trench and the mutual joint of output shaft trench, and then realizes fixing a position each other between separation and reunion driven shaft and the output shaft.

In the above-mentioned motor device convenient to manual rotatory output shaft, the output shaft trench is the arc recess that sets up in annular protruding circumference outside, and the outer wall phase-match of arc recess and movable body. The movable body can be effectively clamped by the arrangement.

In the motor device convenient for manually rotating the output shaft, the movable body is arranged in the clutch driven shaft slot through the magnetic attraction structure.

In foretell motor device convenient to manual rotation output shaft, magnetism is inhaled the structure and is equipped with the iron sheet that leans on in separation and reunion driven plate one side including setting up the inboard bracket in motor core one end circumference, bracket and iron sheet are passed respectively in proper order to bracket one side, and the activity body is the magnetic bead and adsorbs in iron sheet one side. The magnetic attraction structure can enable the movable body to be attracted in the clutch driven shaft slot.

In the motor device convenient for manually rotating the output shaft, the outer side of the iron sheet in the circumferential direction is wrapped with the silica gel layer; or a silica gel layer is arranged in the area, corresponding to the output shaft slot position, of one side of the iron sheet. The setting on silica gel layer can effectively reduce the noise that the activity body produced when living in separation and reunion driven shaft trench.

In foretell motor device convenient to manual rotatory output shaft, motor core one end joint has the separation and reunion closing cap, and the output shaft wears to locate in the separation and reunion closing cap, is equipped with the bearing and the output shaft links to each other with the inner circle of bearing at separation and reunion closing cap circumference inboard, and the bearing inner race sets up in the separation and reunion closing cap.

Compared with the prior art, the utility model has the advantages of: reasonable in design, easy operation, when motor core circular telegram, the separation and reunion driven shaft rotates, the activity quilt trench outside border promotes to trench joint portion, utilize trench joint portion, the inboard border of trench, the output shaft trench carries out the joint location to the activity body, realize the synchronous rotation of separation and reunion driven shaft and drive assembly, when motor core cuts off the power supply, the separation and reunion driven shaft antiport certain angle, the activity body breaks away from, the output shaft trench, trench joint portion, the block at the inboard border of trench, the output shaft breaks away from the location, can manual free rotation, the activity body removes smoothly, excellent in use effect.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is an exploded view of the present invention;

fig. 4 is a schematic structural view of the movable body in the clutch driven shaft slot position according to the present invention;

FIG. 5 is a schematic view of the clutch driven plate structure of the present invention;

fig. 6 is a schematic structural diagram of an output shaft in the present invention.

In the figure, a motor core 1, a clutch cover 11, a bearing 12, a clutch structure 2, a clutch driven shaft 21, a clutch driven shaft slot 22, a slot separating part 23, a slot combining part 24, a slot inner side edge 241, an arc part 242, a slot outer side edge 243, an arc chamfering part 244, a movable body 25, a clutch driven disc 26, an output shaft 3, an annular bulge 31, an output shaft slot 32, a transmission component 4, a magnetic attraction structure 5, a bracket 51, an iron sheet 52 and a silica gel layer 53.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-6, the motor device convenient for manually rotating an output shaft includes a motor core 1, the motor core 1 is connected with an output shaft 3 through a clutch structure 2, the clutch structure 2 includes a clutch driven shaft 21 disposed between the motor core 1 and the output shaft 3 and having one end linked with the motor core 1, the other end of the clutch driven shaft 21 is movably connected with the lower end of the output shaft 3, the clutch driven shaft 21 has a plurality of clutch driven shaft slots 22 located outside the lower end of the output shaft 3 in the circumferential direction, each clutch driven shaft slot 22 has a slot separating portion 23 far away from the lower end of the output shaft 3 and a slot combining portion 24 close to the lower end of the output shaft 3, each clutch driven shaft slot 22 has a movable body 25 capable of moving between the slot separating portion 23 and the slot combining portion 24, when the movable body 25 is located at the slot combining portion 24, the clutch driven shaft 21 and the output shaft 3 are mutually positioned, and when the movable body 25 is positioned at the slot separating portion 23, the clutch driven shaft 21 and the output shaft 3 are released from the positioning. When the motor core 1 is used, the motor core 1 is electrified, the movable body 25 moves to the groove position combining part 24, the clutch driven shaft 21 and the output shaft 3 are positioned mutually, and transmission is realized between the output shaft 3 and the motor core 1; when the motor core 1 is powered off, the clutch driven shaft 21 rotates reversely by a certain angle, the movable body 25 easily moves to the slot position separating part 23, the clutch driven shaft 21 and the output shaft 3 are positioned, the transmission acting force between the motor core 1 and the output shaft 3 is lost, the output shaft 3 can be easily rotated, and the movable body 5 moves smoothly with good use effect.

The clutch driven shaft 21 is circumferentially provided with a clutch driven disc 26 coaxial with the clutch driven shaft 21, the clutch driven shaft slots 22 penetrate through the clutch driven disc 26 and are circumferentially and uniformly distributed, and the clutch driven shaft slots 22 are bent and are arranged towards the axis of the clutch driven shaft 21 on the inner sides of the bent parts of the clutch driven shaft slots 22. The distance between two adjacent clutch driven shaft slots 22 is the same.

It can be seen that, the number of the slot combining portions 24 is two, and the two slot combining portions are respectively and symmetrically arranged on two sides of one end of the clutch driven shaft slot 22 close to the clutch driven shaft 21, each slot combining portion 24 includes a curved slot inner side edge 241, the two slot combining portions 24 are transited through an arc portion 242, and the slot separating portion 23 is a curved slot outer side edge 243 arranged at one end of the clutch driven shaft slot 22 far away from the clutch driven shaft 21. An arc-shaped inner wall which is arranged corresponding to the outer wall of the annular bulge 31 on the output shaft 3 is arranged between the outer side edges 243 of two adjacent groove positions.

Obviously, the slot inner side edge 241, the arc portion 242, and the slot outer side edge 243 are sequentially connected to form the clutch driven shaft slot 22, and the notch of the clutch driven shaft slot 22 has the arc chamfer portion 244. The inner wall of the arc-shaped chamfered portion 244 is attached to the outer wall of the movable body 25, and is used for clamping and limiting the movable body 25.

Further, one end of the clutch driven shaft 21 penetrates through the inside of the motor core 1 and is connected with the transmission component 4 of the motor core 1 in a transmission mode, the other end of the clutch driven shaft 21 penetrates through the annular bulge 31 at the lower end of the output shaft 3 in a movable mode, a plurality of output shaft groove positions 32 which are in one-to-one correspondence with the inner side edges 241 of the groove positions are arranged on the outer side of the circumferential direction of the annular bulge 31, and when the movable body 25 is located at the groove position combining portion 24, the inner side edges 241 of the groove positions, the movable body 25 and the output shaft groove positions 32 are connected in a clamping mode. At this time, the curved chamfered portion 244 also produces a click action on the movable body 5.

Specifically, the output shaft slot 32 is an arc-shaped groove disposed on the circumferential outer side of the annular protrusion 31, and the arc-shaped groove matches with the outer wall of the movable body 25.

Further, the movable body 25 is disposed in the clutch driven shaft slot 22 through the magnetic attraction structure 5.

More specifically, the magnetic attraction structure 5 includes a bracket 51 disposed on the circumferential inner side of one end of the motor core 1, an iron sheet 52 abutting against one side of the clutch driven plate 26 is disposed on one side of the bracket 51, one end of the clutch driven shaft 21 sequentially passes through the bracket 51 and the iron sheet, and the movable body 25 is a magnetic bead and is adsorbed on one side of the iron sheet 52. The iron piece 52 functions to attract the movable body 5 into the clutch driven shaft slot 22.

Preferably, the iron sheet 52 is wrapped with a silica gel layer 53 on the circumferential outer side; alternatively, a silicone rubber layer 53 is provided on a region of the iron piece 52 corresponding to the output shaft groove 32. The silica gel layer 53 does not affect the adsorption of the movable body 5, and can reduce the noise generated when the movable body 5 moves in the clutch driven shaft slot 22.

In detail, one end of the motor core 1 is clamped with a clutch cover 11, the output shaft 3 penetrates through the clutch cover 11, a bearing 12 is arranged on the inner side of the circumference of the clutch cover 11, the output shaft 3 is connected with the inner ring of the bearing 12, and the outer ring of the bearing 12 is arranged in the clutch cover 11.

In summary, the principle of the present embodiment is: the motor core 1 is electrified, the transmission component 4 drives the clutch driven shaft 21 to rotate, the clutch driven shaft 21 pushes the movable body 5 from the slot position separating part 23 to the slot position combining part 24 by using the slot position outer side edge 243, and forms clamping positioning on the movable body by using the slot position separating part 23, the arc-shaped chamfer part 244, the output shaft slot position 32 and the slot position inner side edge 241, so that positioning is formed between the output shaft 3 and the clutch driven shaft 21, and the motor core 1 drives the output shaft to synchronously rotate at the moment; when the motor core 1 is powered off, the motor core 1 rotates reversely by a certain angle, the clutch driven shaft 21 synchronously turns and pushes the movable body 5 to the slot separating part 23 from the slot combining part 24 by using the edge 241 on the inner side of the slot, the output shaft 3 and the clutch driven shaft 21 are not positioned, the output shaft 3 can be slightly rotated in a manual stirring state, the movable body 5 moves smoothly, and the using effect is good.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the motor core 1, the clutch cover 11, the bearing 12, the clutch structure 2, the clutch driven shaft 21, the clutch driven shaft slot 22, the slot separating portion 23, the slot combining portion 24, the slot inner side edge 241, the arc portion 242, the slot outer side edge 243, the arc chamfer portion 244, the movable body 25, the clutch driven plate 26, the output shaft 3, the annular protrusion 31, the output shaft slot 32, the transmission assembly 4, the magnetic attraction structure 5, the bracket 51, the iron sheet 52, and the silicone layer 53 are used more often, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a motor device convenient to manual rotatory output shaft, includes motor core (1), motor core (1) be connected with output shaft (3) through separation and reunion structure (2), its characterized in that, separation and reunion structure (2) including set up between motor core (1) and output shaft (3) and separation and reunion driven shaft (21) of one end and motor core (1) linkage, separation and reunion driven shaft (21) other end and output shaft (3) lower extreme activity link to each other, separation and reunion driven shaft (21) circumference have a plurality of separation and reunion driven shaft trench (22) that are located output shaft (3) lower extreme outside, each separation and reunion driven shaft trench (22) all have a trench separation portion (23) of keeping away from output shaft (3) lower extreme and trench joint portion (24) that are close to output shaft (3) lower extreme, each separation and reunion driven shaft (22) all are equipped with can be in the trench separation portion (23) and the trench joint portion (24) between the movable body (25) that move of each separation and clutch driven shaft (24) all are equipped with ) When the movable body (25) is positioned at the slot position combining part (24), the clutch driven shaft (21) and the output shaft (3) are mutually positioned, and when the movable body (25) is positioned at the slot position separating part (23), the clutch driven shaft (21) and the output shaft (3) are released from positioning.

2. The motor device for facilitating the manual rotation of the output shaft according to claim 1, wherein the clutch driven shaft (21) is circumferentially provided with a clutch driven disc (26) coaxially arranged with the clutch driven shaft (21), the clutch driven shaft slots (22) penetrate through the clutch driven disc (26) and are circumferentially and uniformly distributed, the clutch driven shaft slots (22) are curved, and the inner sides of the curved parts of the clutch driven shaft slots (22) are all arranged towards the axis of the clutch driven shaft (21).

3. The motor device convenient for manually rotating the output shaft according to claim 2, wherein the number of the slot joint portions (24) is two, the slot joint portions are respectively and symmetrically arranged at two sides of one end, close to the clutch driven shaft (21), of the clutch driven shaft slot (22), each slot joint portion (24) comprises a curved slot inner side edge (241), the two slot joint portions (24) are transited through an arc-shaped portion (242), and the slot separating portion (23) is a curved slot outer side edge (243) arranged at one end, far away from the clutch driven shaft (21), of the clutch driven shaft slot (22).

4. The motor device for facilitating the manual rotation of the output shaft according to claim 3, wherein the slot inner side edge (241), the arc portion (242), and the slot outer side edge (243) are sequentially connected to form the clutch driven shaft slot (22), and the notch of the clutch driven shaft slot (22) has an arc chamfer portion (244).

5. The motor device convenient for manually rotating the output shaft according to claim 3 or 4, wherein one end of the clutch driven shaft (21) is inserted into the motor core (1) and is in transmission connection with the transmission component (4) of the motor core (1), the other end of the clutch driven shaft (21) is movably inserted into an annular protrusion (31) at the lower end of the output shaft (3), a plurality of output shaft slot positions (32) which are in one-to-one correspondence with the inner side edges (241) of the slot positions are arranged on the circumferential outer side of the annular protrusion (31), and when the movable body (25) is positioned at the slot position combining part (24), the inner side edges (241) of the slot positions, the movable body (25) and the output shaft slot positions (32) are in mutual clamping connection.

6. The motor device for facilitating the manual rotation of the output shaft according to claim 5, wherein the output shaft slot (32) is an arc-shaped groove disposed at a circumferential outer side of the annular protrusion (31), and the arc-shaped groove is matched with an outer wall of the movable body (25).

7. The motor device for facilitating the manual rotation of the output shaft according to claim 5, wherein the movable body (25) is disposed in the clutch driven shaft slot (22) through a magnetic attraction structure (5).

8. The motor device convenient for manually rotating the output shaft according to claim 7, wherein the magnetic attraction structure (5) comprises a bracket (51) arranged at the circumferential inner side of one end of the motor core (1), an iron sheet (52) abutted against one side of the clutch driven disc (26) is arranged at one side of the bracket (51), one end of the clutch driven shaft (21) sequentially penetrates through the bracket (51) and the iron sheet respectively, and the movable body (25) is a magnetic bead and is adsorbed at one side of the iron sheet (52).

9. The motor device convenient for manually rotating the output shaft according to claim 8, wherein a silicone layer (53) is wrapped on the outer circumferential side of the iron sheet (52); or a silica gel layer (53) is arranged in the area, corresponding to the output shaft slot position (32), on one side of the iron sheet (52).

10. The motor device convenient for manually rotating the output shaft according to claim 1, wherein one end of the motor core (1) is clamped with a clutch cover (11), the output shaft (3) penetrates through the clutch cover (11), a bearing (12) is arranged on the circumferential inner side of the clutch cover (11), the output shaft (3) is connected with an inner ring of the bearing (12), and an outer ring of the bearing (12) is arranged in the clutch cover (11).