CN209925456U - Clutch state locking structure of rotary control clutch - Google Patents

Clutch state locking structure of rotary control clutch Download PDF

Info

Publication number
CN209925456U
CN209925456U CN201920246571.1U CN201920246571U CN209925456U CN 209925456 U CN209925456 U CN 209925456U CN 201920246571 U CN201920246571 U CN 201920246571U CN 209925456 U CN209925456 U CN 209925456U
Authority
CN
China
Prior art keywords
clutch
control
separation
elastic ring
locking structure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201920246571.1U
Other languages
Chinese (zh)
Inventor
朱筱凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Sukong Software Co Ltd
Original Assignee
Hangzhou Sukong Software Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hangzhou Sukong Software Co Ltd filed Critical Hangzhou Sukong Software Co Ltd
Application granted granted Critical
Publication of CN209925456U publication Critical patent/CN209925456U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Mechanical Operated Clutches (AREA)

Abstract

The utility model belongs to the technical field of the clutch, especially, relate to a clutch state locking structure of accuse clutch soon. The utility model discloses, the clutch is controlled including setting up the separation and reunion spare between initiative rotating member and driven rotating member soon, the separation and reunion spare on be connected with the separation and reunion control rotator and can be with initiative rotating member and driven rotating member circumferential location or circumference separation after the separation and reunion control rotator rotates, the separation and reunion control rotator on be equipped with and prevent the elasticity non return structure of separation and reunion control rotator gyration after the separation and reunion control rotator is rotated. The utility model discloses be equipped with elasticity non return structure between two rotating members, can keep the stability of state when guaranteeing to be in transmission connection status or the state of breaking away from each other between two rotating members, can not lead to the switching between two kinds of states easily because of some accidental external factors to guarantee that the product that is equipped with this clutching mechanism uses smoothly, prevent to appear causing the occurence of failure of injury to the user.

Description

Clutch state locking structure of rotary control clutch
Technical Field
The utility model belongs to the technical field of the clutch, especially, relate to a clutch state locking structure of accuse clutch soon.
Background
The clutch mechanism is a structure commonly used in a mechanical transmission process, and can selectively realize transmission connection or mutual disconnection between two different parts so as to adapt to different requirements of users in different use scenes.
For example, chinese utility model patent discloses an electric scooter drive wheel [ application number: 201720468425.4], the utility model comprises a tire, a wheel core and a belt pulley arranged on one side of the wheel core, a clutch device is arranged between one side of the wheel core and the belt pulley, the clutch device can make the wheel core connected or separated with the belt pulley in a transmission way, the clutch device comprises a face gear, the right side surface of the face gear is at least provided with three semicylinders which extend towards the right and are provided with inclined top surfaces; the left side surface of the belt pulley is respectively provided with an inclined surface slope corresponding to each semi-cylindrical inclined top surface on the right side of the end face gear, and each inclined surface slope is arranged in a concave hole on the left side surface of the belt pulley; the left side surface of the face gear and the right side surface of the wheel core are respectively and correspondingly provided with end face helical teeth which can be meshed or separated; the ring surface of the face gear is provided with an annular groove, the annular groove is provided with an O-shaped ring, and the top surface of the O-shaped ring is in sliding contact with the inner ring surface of the corresponding wheel core.
The utility model discloses an use clutch between core and belt pulley, can realize as required that the transmission between core and the belt pulley is connected or breaks away from each other, but this clutch can not guarantee the stability of these two kinds of states, promptly in the use, because of some accidental external factors easily, lead to switching between the transmission is connected and breaks away from two kinds of states each other between core and the belt pulley, bring the use obstacle for the user, can cause the injury to the user even.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, provide a clutching state locking structure of accuse clutch soon.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model provides a separation and reunion state locking structure of rotary control clutch, rotary control clutch is including setting up the clutch spare between initiative rotating member and driven rotating member, the clutch spare on be connected with the separation and reunion control rotator and can be with initiative rotating member and driven rotating member circumference location or circumference separation after the separation and reunion control rotator rotates, the separation and reunion control rotator on be equipped with and can prevent the rotatory elasticity non return structure of separation and reunion control rotator after the separation and reunion control rotator is rotated.
In the clutch state locking structure of the rotary control clutch, the clutch piece is circumferentially positioned and axially connected with the active rotating piece in a sliding manner, the clutch control rotating body is fixedly connected with the control knob, and the elastic non-return structure is connected between the control knob and the active rotating piece.
In the clutch state locking structure of the rotary control clutch, the elastic non-return structure comprises an annular elastic ring, the annular elastic ring is fixed on the control knob, a plurality of concave-convex variable teeth are arranged on the annular elastic ring, a plurality of concave-convex bodies are arranged at the outer end of the active rotating piece, the annular elastic ring is sleeved on the periphery of the active rotating piece, and the concave-convex variable teeth of the annular elastic ring are driven by the control knob to cross the concave-convex bodies to realize rotary blocking.
In the clutch state locking structure of the rotary control clutch, the periphery of the driving rotating piece is provided with an annular groove, the concave-convex body is arranged in the annular groove, and the annular elastic ring is embedded in the annular groove.
In the clutch state locking structure of the rotary control clutch, the annular elastic ring is provided with an installation notch for installing the annular elastic ring into the annular groove.
In the clutch state locking structure of the rotary control clutch, the annular elastic ring is in a polygonal ring shape, each edge of the annular elastic ring is sunken towards the inner arc, the concave-convex deformation teeth are arranged in the middle of the edge, and deformation promoting notches are respectively arranged on two sides of the edge.
In the clutch state locking structure of the rotary control clutch, the annular elastic ring is fixed on the control knob through a first screw, and the control knob is fixed on the clutch control rotating body through a second screw.
In the clutch state locking structure of the rotary control clutch, a sunken groove is formed in the center of one surface, facing the clutch control rotating body, of the control knob, the shape of the outer end of the clutch control rotating body is matched with that of the sunken groove, and the outer end of the clutch control rotating body is arranged in the sunken groove.
In the clutch state locking structure of the rotary control clutch, the top of the concave-convex variable teeth is arc-shaped; the top of the concave-convex body is arc-shaped.
In the clutch state locking structure of the rotary control clutch, the clutch part is provided with a plurality of sliding bulges distributed at intervals in the circumferential direction, the clutch control rotating body is provided with a plurality of spiral chutes distributed at intervals in the circumferential direction, and the spiral chutes and the sliding bulges are arranged in one-to-one correspondence and are connected in a sliding manner.
Compared with the prior art, the utility model has the advantages of:
1. the utility model discloses be equipped with elasticity non return structure between two rotating members, can keep the stability of state when guaranteeing to be in transmission connection status or the state of breaking away from each other between two rotating members, can not lead to the switching between two kinds of states easily because of some accidental external factors to guarantee that the product that is equipped with this clutching mechanism uses smoothly, prevent to appear causing the occurence of failure of injury to the user.
2. The utility model discloses it has an installation breach to open on annular elastic ring for annular elastic ring is the C style of calligraphy, and accessible compression installation breach is in order to reduce the internal diameter of annular elastic ring when installing annular elastic ring into the annular groove like this, the installation operation of being convenient for.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
FIG. 2 is a schematic view of a part of the structure of the present invention;
fig. 3 is an exploded view of the present invention;
FIG. 4 is a schematic structural view of an annular elastic ring;
in the figure: the clutch device comprises a driving rotating member 1, a driven rotating member 2, a clutch member 3, a clutch control rotating body 7, a spiral chute 8, a control knob 9, an annular elastic ring 10, concave-convex variable teeth 11, a concave-convex body 12, an annular groove 13, a sinking groove 18, a deformation promoting notch 19, a first screw 20, a second screw 21, a mounting notch 22 and a sliding protrusion 31.
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, the clutch state locking structure of the rotation control clutch includes a clutch member 3 disposed between a driving rotating member 1 and a driven rotating member 2, the clutch member 3 is connected with a clutch control rotating member 7 and can circumferentially position or circumferentially separate the driving rotating member 1 and the driven rotating member 2 after the clutch control rotating member 7 rotates, and the clutch control rotating member 7 is provided with an elastic non-return structure which can prevent the clutch control rotating member 7 from rotating after the clutch control rotating member 7 is rotated.
A clutch piece 3 is arranged between the driving rotating piece 1 and the driven rotating piece 2, the clutch piece 3 can make the driving rotating piece 1 and the driven rotating piece 2 connected in a transmission way (circumferentially fixed) or separated from each other (circumferentially separated) through action, the elastic non-return structure can lock the clutch piece 3, so that the clutch piece 3 can not easily act, namely, under the influence of accidental factors outside, the clutch part 3 can not act to change the connection state between the driving rotating part 1 and the driven rotating part 2, so the clutch state locking structure is arranged between the two rotating parts, the stability of the state can be kept when the two rotating parts are in a transmission connection state or in a mutual disconnection state, the switching between the two states can not be easily caused by some accidental external factors, therefore, the product provided with the clutch mechanism is ensured to be used smoothly, and accidents of injury to users are prevented.
The driving rotating part 1 can drive the clutch part 3 to rotate synchronously in the circumferential direction, the clutch part 3 can slide axially relative to the driving rotating part 1, and the axial sinking groove and the sliding strip can be matched to realize the purpose, for example, the axial sinking groove which is sunken towards the inside of the driving rotating part 1 and extends along the axial lead direction of the driving rotating part 1 is formed in the outer surface of the driving rotating part 1, the sliding strip is protruded on the surface of the clutch part 3, the sliding strip is matched with the axial sinking groove in size and shape, and the sliding strip is connected in the axial sinking groove in a sliding manner.
The clutch 3 is connected with or separated from the driven rotating member 2 in a transmission manner through the action of sliding along the axial lead direction of the driving rotating member 1, for example, a concave-convex engagement structure can be arranged between the clutch 3 and the driven rotating member 2, when the clutch 3 is axially forwards, the concave-convex engagement structure is engaged so as to circumferentially position the driving rotating member 1 and the driven rotating member 2, and when the clutch 3 is axially backwards, the concave-convex engagement structure is separated so as to circumferentially separate the driving rotating member 1 and the driven rotating member 2.
The action of the clutch part 3 sliding along the axial lead direction of the active rotating part 1 is realized by rotating the driving structure, the utility model does not limit the concrete structure of the driving structure which can convert the rotating motion into the linear motion, can adopt a screw rod sliding block structure, and can also adopt the structure shown by combining figures 1-3, concretely, the clutch part 3 and the active rotating part 1 are positioned circumferentially and connected axially in a sliding way, the clutch control rotating body 7 is fixedly connected with an operation knob 9, for example, the operation knob 9 can be fixed on the clutch control rotating body 7 by a second screw 21, the elastic non-return structure is connected between the operation knob 9 and the active rotating part 1, the clutch part 3 is provided with a plurality of sliding bulges 31 distributed at intervals in the circumferential direction, the clutch control rotating body 7 is provided with a plurality of spiral chutes 8 distributed at intervals in the circumferential direction, spiral chute 8 and protruding 31 one-to-one setting of slip and sliding connection, clutch control rotator 7 on fixedly connected with control knob 9, clutch state locking structure set up between control knob 9 and initiative rotating member 1, rotate control knob 9 and make clutch control rotator 7 take place synchronous rotation, circumferencial direction interval distribution rotates at the spiral chute 8 on clutch control rotator 7 surface, the protruding 31 of slip that is located spiral chute 8 takes place to slide along spiral chute 8, because spiral chute 8 is the heliciform along the axial of initiative rotating member 1, so the protruding 31 drive clutch member 3 that slides along the axial lead direction of initiative rotating member 1 that slides.
The rotary control knob 9 may be polygonal or circular with an inwardly concave arc, so that the user has a suitable point of application when rotating.
As shown in fig. 3, the clutch member 3 is cylindrical and sleeved on the driving rotating member 1, a circumferential positioning axial sliding structure is arranged between the clutch member 3 and the driving rotating member 1, a plurality of convex teeth are uniformly distributed in the circumferential direction at the front end of the clutch member 3, a plurality of grooves are uniformly distributed in the circumferential direction at the inner side of the driven rotating member 2, the convex teeth can be arranged corresponding to the grooves and can be mutually inserted, the clutch member 3 slides along the axial lead direction of the driving rotating member 1, so that the convex teeth are inserted into or separated from the grooves, and when the convex teeth are inserted into the grooves and are mutually engaged, the driving rotating member 1 is in transmission connection with the driven rotating member 2; when the dogtooth deviates from the recess, initiative rotating member 1 and driven rotating member 2 alternate segregation, and dogtooth and recess have made things convenient for the action of driven rotating member 2 and separation and reunion piece 3 looks meshing at circumferencial direction evenly distributed, make driven rotating member 2 and separation and reunion piece 3 when meshing mutually simultaneously, meshing force can evenly distributed, reinforcing stability.
Preferably, the front end of the convex tooth is provided with at least one first lead-in inclined plane, the notch of the groove is provided with at least one second lead-in inclined plane, and the first lead-in inclined plane and the second lead-in inclined plane are respectively arranged at the opposite positions of the convex tooth and the groove, so that the convex tooth can be conveniently inserted into the groove and meshed with the groove.
As shown in fig. 1, 2 and 4, the clutching state locking structure includes an annular elastic ring 10, a plurality of concavo-convex variable teeth 11 are arranged on the annular elastic ring 10, a plurality of concavo-convex bodies 12 are arranged at the outer end of the driven rotating part 2, the annular elastic ring 10 is sleeved on the periphery of the driving rotating part 1, and the concavo-convex variable teeth 11 of the annular elastic ring 10 pass through the concavo-convex body 12 to realize rotation blocking, the annular elastic ring 10 is fixedly connected with the control knob 9, the periphery of the driving rotating piece 1 is provided with an annular groove 13, the concave-convex body 12 is arranged in the annular groove 13, the annular elastic ring 10 is embedded in the annular groove 13, the annular elastic ring 10 is in a polygonal annular shape, each side of the elastic piece is sunken inwards in an arc shape, the concave-convex deformation teeth 11 are arranged in the middle of the side, and deformation promoting notches 19 are respectively arranged on two sides of the side.
The operation knob 9 is rotated to drive the annular elastic ring 10 to rotate synchronously, for example, the synchronous rotation can be realized by the connection mode that the annular elastic ring 10 is fixed on the operation knob 9 through a first screw 20 until the concave-convex variable teeth 11 pass through the concave-convex body 12, for example, the concave-convex body 12 is positioned between the concave-convex variable teeth 11, so that the annular elastic ring 10 and the concave-convex body 12 are clamped with each other, and then the clutch member 3 is locked, wherein the annular elastic ring 10 is polygonal annular, each side of the annular elastic ring is inwards arc-shaped and concave, the concave-convex variable teeth 11 are arranged in the middle of the side, and deformation promoting notches 19 are respectively arranged at two sides of the side, so that the annular elastic ring 10 can be deformed by compressing the deformation promoting notches 19, and the concave-convex variable teeth 11 can pass through the concave-convex body 12 conveniently.
Preferably, the annular elastic ring 10 is provided with an installation gap 22 for installing the annular elastic ring 10 into the annular groove 13, that is, the annular elastic ring 10 is C-shaped, so that when the annular elastic ring 10 is installed into the annular groove 13, the installation gap can be compressed to reduce the inner diameter of the annular elastic ring 10, thereby facilitating the installation operation.
Preferably, the top of the concave-convex variable teeth 11 is arc-shaped; the top of the concave-convex body 12 is arc-shaped, so that the clamping process between the annular elastic ring 10 and the concave-convex body 12 is smoother.
As shown in fig. 1, a sunken groove 18 is formed in the center of one surface of the control knob 9 facing the clutch control rotating body 7, the shape of the outer end of the clutch control rotating body 7 is matched with the shape of the sunken groove 18, and the outer end of the clutch control rotating body 7 is arranged in the sunken groove 18, so that the size of the whole structure can be reduced, and the structure is more compact.
The utility model discloses a theory of operation is: when transmission connection is needed, the control knob 9 is rotated to drive the clutch control rotating body 7 to synchronously rotate, the sliding bulge 31 slides along the spiral chute 8 to drive the clutch piece 3 to slide away from the control knob 9, the driving rotating piece 1 is in transmission connection with the driven rotating piece 2, and the concave-convex variable teeth 11 just cross the concave-convex body 12 at the moment, so that the concave-convex body 12 and the annular elastic ring 10 are mutually clamped; when the two rotating parts need to be separated from each other, a larger force is applied to the direction of the rotating control knob 9 to enable the concave-convex body 12 to be separated from the clamping force of the annular elastic ring 10 and rotate in the direction, the sliding bulge 31 slides along the spiral chute 8 to drive the clutch part 3 to generate the mutual separation of the sliding driving rotating part and the driven rotating part 2 which are close to the control knob 9, at the moment, the concave-convex variable tooth 11 on the other side just crosses the concave-convex body 12 to enable the concave-convex body 12 and the annular elastic ring 10 to be clamped with each other, so the utility model discloses an elastic non-return structure is arranged between the two rotating parts to ensure the stability of the state when the two rotating parts are in the transmission connection state or the mutual separation state, and the switching between the two states can not be easily caused by some accidental external factors, therefore, the product provided with the clutch mechanism is ensured to be used smoothly, and accidents of injury to users are prevented.
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 driving rotary member 1, driven rotary member 2, clutch member 3, clutch control rotary member 7, spiral chute 8, manipulation knob 9, annular elastic ring 10, concavo-convex deforming teeth 11, concavo-convex body 12, annular groove 13, sunken groove 18, deforming promoting notch 19, first screw 20, second screw 21, mounting notch 22, sliding projection 31 are used more herein, 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 (10)

1. The utility model provides a separation and reunion state locking structure of rotary control clutch, rotary control clutch is including setting up clutch (3) between initiative rotating member (1) and driven rotating member (2), clutch (3) on be connected with separation and reunion control rotator (7) and can be with initiative rotating member (1) and driven rotating member (2) circumference location or circumference separation after separation and reunion control rotator (7) rotate, its characterized in that, separation and reunion control rotator (7) on be equipped with and prevent the elasticity non return structure of separation and reunion control rotator (7) gyration after separation and reunion control rotator (7) are rotated.
2. The clutched state locking structure of the rotary control clutch according to claim 1, wherein the clutch member (3) is circumferentially positioned and axially slidably connected with the driving rotating member (1), the clutching control rotating member (7) is fixedly connected with a control knob (9), and the elastic non-return structure is connected between the control knob (9) and the driving rotating member (1).
3. The clutching state locking structure of the rotary control clutch is characterized in that the elastic non-return structure comprises an annular elastic ring (10), the annular elastic ring (10) is fixed on the control knob (9), a plurality of concave-convex variable teeth (11) are arranged on the annular elastic ring (10), a plurality of concave-convex bodies (12) are arranged at the outer end of the driving rotating part (1), the annular elastic ring (10) is sleeved on the periphery of the driving rotating part (1), and the concave-convex variable teeth (11) of the annular elastic ring (10) pass through the concave-convex bodies (12) under the driving of the control knob (9) to realize rotary blocking.
4. The clutched state locking structure of the rotary control clutch according to claim 3, wherein an annular groove (13) is formed in the periphery of the driving rotary member (1), the concave-convex body (12) is arranged in the annular groove (13), and the annular elastic ring (10) is embedded in the annular groove (13).
5. The clutched state locking structure of the rotary control clutch according to claim 4, wherein the annular elastic ring (10) is provided with a mounting notch (22) for the annular elastic ring (10) to be mounted in the annular groove (13).
6. The clutched state locking structure of the rotary control clutch according to claim 3, characterized in that the annular elastic ring (10) is in a polygonal ring shape, each side of the annular elastic ring is inwards concavely curved, the concavo-convex deformation teeth (11) are arranged in the middle of the side, and deformation promoting notches (19) are respectively arranged on two sides of the side.
7. The clutched state locking structure of the rotary control clutch according to claim 3, 4, 5 or 6, wherein the annular elastic ring (10) is fixed to the manipulation knob (9) by a first screw (20), and the manipulation knob (9) is fixed to the clutched control rotating body (7) by a second screw (21).
8. The clutched state locking structure of the rotary control clutch according to claim 3, 4, 5 or 6, wherein the manipulating knob (9) is provided with a sunken groove (18) towards the center of one surface of the clutched control rotating body (7), the shape of the outer end of the clutched control rotating body (7) is adapted to the shape of the sunken groove (18), and the outer end of the clutched control rotating body (7) is arranged in the sunken groove (18).
9. The clutched state locking structure of the rotation control clutch according to claim 3, 4, 5 or 6, wherein the top of the concavo-convex variable tooth (11) is in a circular arc shape; the top of the concave-convex body (12) is arc-shaped.
10. The clutching state locking structure of the rotary control clutch according to any one of claims 1 to 6, wherein a plurality of sliding protrusions (31) are arranged on the clutch member (3) at intervals in the circumferential direction, a plurality of spiral sliding grooves (8) are arranged on the clutch control rotating body (7) at intervals in the circumferential direction, and the spiral sliding grooves (8) and the sliding protrusions (31) are arranged in a one-to-one correspondence and are connected in a sliding manner.
CN201920246571.1U 2018-12-31 2019-02-27 Clutch state locking structure of rotary control clutch Active CN209925456U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201822276182 2018-12-31
CN2018222761821 2018-12-31

Publications (1)

Publication Number Publication Date
CN209925456U true CN209925456U (en) 2020-01-10

Family

ID=69066915

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920246571.1U Active CN209925456U (en) 2018-12-31 2019-02-27 Clutch state locking structure of rotary control clutch

Country Status (1)

Country Link
CN (1) CN209925456U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020140910A1 (en) * 2018-12-31 2020-07-09 杭州速控软件有限公司 Electric skateboard clutch-type driving wheel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020140910A1 (en) * 2018-12-31 2020-07-09 杭州速控软件有限公司 Electric skateboard clutch-type driving wheel
US11859673B2 (en) 2018-12-31 2024-01-02 Hangzhou Speed Control Software Co., Ltd Clutch type driving wheel of electric scooter

Similar Documents

Publication Publication Date Title
CN109304567B (en) Flexible tool for welding annular parts
CN109278035A (en) Steering engine and robot
CN209925456U (en) Clutch state locking structure of rotary control clutch
CN111776128B (en) Clutch type chain wheel driving device
CN212106898U (en) Parking device and vehicle
US10830284B2 (en) Reduction gearbox transmission separation mechanism
EP3743635B1 (en) Anti-backdrive lock
CN209724999U (en) Clutch
CN109185359B (en) Clutch device
CN211525386U (en) Controllable one-way spiral clutch device
CN210083464U (en) Clutch type driving wheel of electric scooter
CN206320267U (en) Box assembly for gear drive
CN110685505B (en) Automatic intelligent lockset
CN109236893B (en) Clutch based on gear transmission
TW201914760A (en) Ratchet wrench with fast sleeve engaging structure for having less wrench components, enabling simpler fabrication, and reducing cost
JP2019204778A (en) Driven element with overload coupler for electrical connector having drive device and electrical connector having such drive element
TWI681883B (en) Bicycle hub assembly
CN103925310B (en) Spring pressure friction gear meshing clutch
CN113187831B (en) Clutch type chain wheel driving mechanism
CN214996973U (en) Be applied to refrigerator door opening mechanism's rack and lack tooth structure and refrigerator door opening mechanism
CN212423372U (en) Clutch type chain wheel driving device
JP2008185061A (en) Clutch device
CN110056258B (en) Clutch transmission and intelligent lock
CN109707756A (en) Clutch
CN110081088A (en) The clutch state locking structure of rotation control clutch

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant