CN220963082U - Bidirectional clutch for sensitive switch - Google Patents

Abstract

The application discloses a bidirectional clutch for a sensitive switch, which comprises a driving gear ring, a rotating circular plate, a transmission plate, a first micro switch and a second micro switch, wherein the rotating circular plate is rotationally connected to the first micro switch and the second micro switch in the driving gear ring, the first micro switch and the second micro switch are respectively provided with a connecting elastic sheet, one side of the rotating circular plate is connected with a sleeving rod, the transmission plate is connected to the sleeving rod, one side of the rotating circular plate is rotationally provided with a transmission piece, the transmission piece comprises a mounting column, an abutting plate and a clamping block, the mounting column is arranged on the rotating circular plate, the clamping block is rotationally connected to the mounting column, the abutting plate is connected to one side of the clamping block away from the rotating circular plate, and a driving groove corresponding to the shape of the clamping block is formed in the inner annular wall of the driving gear ring. The application has the effect of realizing the contact position adjustment of the micro switch.

Description

Bidirectional clutch for sensitive switch

Technical Field

The application relates to the technical field of micro-switch control, in particular to a bidirectional clutch for a sensitive switch.

Background

The micro switch is a contact mechanism having a minute point interval and a snap action mechanism, and performing a switching operation with a predetermined stroke and a predetermined force. The microswitch is normally covered with a housing, the outside of which is provided with a drive rod, which is also called a sensitive switch, because the contact pitch of the microswitch is small, known as microswitch. The external mechanical force is transmitted to the action reed of the micro switch through the transmission element, and when the action reed is displaced to a critical point, instantaneous action is generated, so that the movable contact at the tail end of the action reed is quickly connected with or disconnected from the fixed contact. The micro switch is classified into a general type, a small type, a microminiature type according to volume fraction, a general type, a waterproof type, a dustproof type, an explosion-proof type, etc. according to protective performance, and may be classified into a single type, a double type, and a multiple type according to a breaking form.

At present, the contact position of the micro switch influences the control state of the micro switch, and for a duplex micro switch, the grouping action function can be realized through different positions of a plurality of contacts. It is therefore desirable to provide a simple structure for simultaneously adjusting the contact positions of a dual micro-switch.

Disclosure of utility model

In order to achieve contact position adjustment of the micro switch, the application provides a bidirectional clutch for a sensitive switch.

The application provides a bidirectional clutch for a sensitive switch, which adopts the following technical scheme:

The bidirectional clutch for the sensitive switch comprises a driving gear ring, a rotating circular plate, a transmission plate, a first micro switch and a second micro switch, wherein the rotating circular plate is rotationally connected to the inside of the driving gear ring, the driving gear ring is connected with a driving source, the first micro switch and the second micro switch are arranged on one side of the driving gear ring, connecting elastic pieces are arranged on the first micro switch and the second micro switch, one side of the rotating circular plate, which is close to the first micro switch, is connected with a sleeve joint rod, the transmission plate is connected to the sleeve joint rod and is parallel to the rotating circular plate, one end of the connecting elastic pieces, which is close to the transmission plate, is connected with a contact head, the edge of the transmission plate is provided with a first transmission arc edge and a second transmission arc edge, the radius of the first transmission arc edge is larger than that of the second transmission arc edge, the contact head is abutted with the edge of the transmission plate, one side of the rotating circular plate is rotationally provided with a transmission part, the transmission part comprises a mounting column, an abutting plate and a clamping block, the mounting column is arranged on one side of the rotating circular plate, the clamping block is rotationally connected to the mounting column, an elastic piece connected with the clamping block is arranged on the mounting column, the abutting plate is connected to one side of the clamping block away from the rotating circular plate, one side of the abutting plate extends towards the direction away from the central shaft of the driving gear ring, the inner annular wall of the driving gear ring is provided with a driving groove corresponding to the shape of the clamping block, the clamping block is abutted with the inner annular wall of the driving gear ring in a natural state, one side of the driving gear ring is provided with the abutting column, the abutting column is slidably arranged with the driving gear ring, when the abutting plate rotates to the position of the abutting column, the abutting column pushes the abutting plate to the direction close to the central shaft of the rotating circular plate, and at the moment, the clamping block is separated from the inner annular wall of the driving gear ring.

By adopting the technical scheme, the driving gear ring rotates under the driving of the driving source, and the clamping block on the rotating circular plate and the inner annular wall of the driving gear ring slide relatively. When the clamping block moves to correspond to the position of the driving groove, the clamping block is sprung into the driving groove under the action of the elastic piece and is connected with the driving gear ring, so that the connection between the rotating circular plate and the driving gear ring is realized, and the rotating circular plate rotates along with the driving gear ring. The transmission plate synchronously rotates along with the rotating circular plate, the contact head on the first micro switch and the contact head on the second micro switch relatively slide at the edge of the transmission plate, and when the contact head on the first micro switch slides to be contacted with the first transmission arc edge and the contact head on the second micro switch slides to be contacted with the second transmission arc edge, the device is adjusted to be in a first electrical state. When the contact head on the first micro switch moves to be in contact with the second transmission arc edge, the device is converted into a second electrical state. When the abutting plate rotates to be in contact with the abutting column along with the rotating circular plate, the abutting column pushes the abutting plate, the clamping block is separated from the driving groove, the acting force of the driving gear ring on the rotating circular plate is cut off, the contact heads on the first micro switch and the second micro switch stop on the transmission plate to slide relatively, and the adjustment of the electrical state of the device is completed. Through the mutual cooperation of the driving gear ring, the rotating circular plate, the transmission plate, the first micro switch and the second micro switch, the electric state of the device is quickly adjusted, and the effect of adjusting the contact positions of the micro switches is achieved.

Optionally, one side that rotates the plectane is close to the drive plate is connected with the gag lever post, the gag lever post set up in the centre of a circle position of rotating the plectane, cup joint pole coaxial coupling in the gag lever post is kept away from the one end of rotating the plectane, the diameter of gag lever post is greater than cup joint the diameter of pole, cup joint the hole has been seted up on the drive plate, the drive plate passes through cup joint the hole cover and locate on the cover connects the pole, one side of drive plate with the gag lever post laminating sets up.

Through adopting above-mentioned technical scheme, the setting of gag lever post has realized spacing of drive plate, makes the drive plate be can be all the time with the contact on first micro-gap switch and the second micro-gap switch lie in the coplanar at the rotation, the contact can be all the time with the edge butt of drive plate tightly.

Optionally, the elastic component includes the torsional spring, set up the connecting hole on the rotation plectane, the connecting hole set up in one side of erection column, the butt board keep away from on the side of drive ring gear set up the connection blind groove, the torsional spring cover is located on the erection column, the one end of torsional spring connect in the connecting hole, the other end of torsional spring connect in the connection blind groove.

Through adopting above-mentioned technical scheme, the setting of connecting hole and the blind groove of connection on the butt board on the rotation plectane has made things convenient for operating personnel to be connected torsional spring and rotation plectane and butt board. The clamping block can be always abutted against the inner annular wall of the driving gear ring by the arrangement of the torsion spring.

Optionally, a sleeving tangential plane is arranged on the sleeving connecting rod along the length direction, and the shape of the sleeving hole is correspondingly arranged with the cross section shape of the sleeving connecting rod.

By adopting the technical scheme, the sleeving tangential plane corresponds to the shape of the sleeving hole and is in a non-circular irregular shape, so that the transmission plate is prevented from relatively rotating on the sleeving rod, and the connection stability of the transmission plate on the sleeving rod is improved.

Optionally, the driving medium is provided with one in both sides of the rotation plectane, the butt post is provided with one in both sides that drive the ring gear is relative.

Through adopting above-mentioned technical scheme, the setting of two sets of driving medium and two butt posts makes a drive source reciprocating rotation less stroke just can realize the regulation to device electric property state, helps improving the regulation efficiency to electric property state.

Optionally, the circumference of drive plate is provided with the linking hypotenuse, link up the hypotenuse set up in the junction of first transmission arc limit with the second transmission arc limit.

Through adopting above-mentioned technical scheme, the setting of linking hypotenuse has made things convenient for the contact to slide between first transmission arc limit and second transmission arc limit.

Optionally, a mounting cylinder is connected to one side of the rotating circular plate, which is away from the sleeving rod, and the mounting cylinder and the rotating circular plate are coaxially arranged.

Through adopting above-mentioned technical scheme, the setting of installation section of thick bamboo has made things convenient for operating personnel to be connected with the external structure with rotating the plectane.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The electric state of the device is quickly adjusted by mutually matching the driving gear ring, the rotating circular plate, the transmission plate, the first micro switch and the second micro switch, and the contact position of the micro switch is adjusted;

2. The arrangement of the connection bevel edge facilitates the contact to slide between the first transmission arc edge and the second transmission arc edge;

3. The setting of the installation section of thick bamboo has made things convenient for operating personnel to be connected with the external structure with rotating the plectane.

Drawings

Fig. 1 is a schematic diagram of a bi-directional clutch embodying an embodiment of the present application for use with a sensitive switch.

Fig. 2 is a schematic structural view of a driving plate according to an embodiment of the present application.

Fig. 3 is an exploded view of an embodiment of the present application for illustrating the manner in which the components are connected.

Fig. 4 is a partial cross-sectional view of an embodiment of the present application for illustrating the manner in which a transmission member is coupled to a driving gear ring.

Reference numerals illustrate: 1. driving the gear ring; 101. a driving groove; 2. rotating the circular plate; 21. a connection hole; 3. a mounting cylinder; 4. a limit rod; 5. sleeving a connecting rod; 51. sleeving a tangential plane; 6. a drive plate; 61. a socket hole; 62. a first drive arc edge; 63. a second transmission arc edge; 64. a connection bevel edge; 7. a transmission member; 71. an abutting plate; 72. a clamping block; 73. a mounting column; 8. a torsion spring; 9. connecting blind grooves; 10. abutting the column; 11. a first microswitch; 12. a second microswitch; 13. a connecting spring plate; 14. and a contact.

Detailed Description

The application is described in further detail below with reference to fig. 1-4. The embodiment of the application provides a bidirectional clutch for a sensitive switch, which has the effect of realizing the contact position adjustment of a micro switch.

Referring to fig. 1 to 3, a bi-directional clutch for a sensitive switch includes a driving gear ring 1, a rotating circular plate 2, a mounting cylinder 3, a limit lever 4, a sleeve lever 5, a driving plate 6, and a driving member 7. The rotating circular plate 2 is rotationally connected to the inside of the driving gear ring 1, and the peripheral wall of the rotating circular plate 2 is in sliding fit with the inner annular wall of the driving gear ring 1. The thickness of the rotary circular plate 2 is smaller than that of the driving gear ring 1, the rotary circular plate 2 is arranged in the middle of the driving gear ring 1, and the driving gear ring 1 is in transmission connection with an external driving source (not shown in the drawing). The mounting cylinder 3 and the limiting rod 4 are respectively fixed and coaxially connected to two opposite sides of the rotary circular plate 2, one end, away from the rotary circular plate 2, of the limiting rod 4 is coaxially and fixedly connected with the sleeve connecting rod 5, the diameter of the sleeve connecting rod 5 is smaller than that of the limiting rod 4, and the sleeve connecting section 51 is arranged on the peripheral wall of the sleeve connecting rod 5 along the length direction.

Referring to fig. 3, a socket hole 61 corresponding to the cross-sectional shape of the socket rod 5 is formed in the driving plate 6, the driving plate 6 is sleeved on the socket rod 5 through the socket hole 61, and one side of the driving plate 6 is abutted against the end part of the limit rod 4. The circumference of drive plate 6 is provided with one section first transmission arc limit 62 and one section second transmission arc limit 63, and the radius of first transmission arc limit 62 is greater than the radius of second transmission arc limit 63, is provided with the linking hypotenuse 64 that is used for linking between first transmission arc limit 62 and the second transmission arc limit 63.

Referring to fig. 1 to 3, the transmission member 7 is provided with one on both opposite sides of the rotary circular plate 2, and the transmission member 7 includes an abutment plate 71, a catching block 72, and a mounting post 73. The mounting post 73 is vertically and fixedly connected to the side wall of the rotary circular plate 2, the clamping block 72 is fixedly connected to one side of the abutting plate 71, the abutting plate 71 is triangular plate-shaped, and the cross section of the abutting plate 71 is larger than that of the clamping block 72. One corner of the abutting plate 71 is provided with an opening for being connected with the mounting column 73, the abutting plate 71 is sleeved on the mounting column 73, the clamping block 72 is in sliding fit with the rotating circular plate 2, and one side, away from the rotating circular plate 2, of the clamping block 72 is kept flush with the side wall of the driving gear ring 1. The mounting column 73 is sleeved with a torsion spring 8, a connecting hole 21 is formed in the position, close to the mounting column 73, of the rotary circular plate 2, and a connecting blind groove 9 is formed in the side edge of the abutting plate 71. One end of the torsion spring 8 is connected to the connecting hole 21 of the rotary disk 2, and the other end of the torsion spring 8 is connected to the connecting blind groove 9 of the abutting plate 71.

Referring to fig. 4, in a natural state, the engagement block 72 abuts against the inner annular wall of the drive ring gear 1 by the torsion spring 8, and one side of the abutment plate 71 extends in a direction away from the center axis of the rotary disk 2 and slidably engages with the side wall of the drive ring gear 1.

Referring to fig. 1 and 3, a driving groove 101 corresponding to the shape of the clamping block 72 is formed in the inner circumferential wall of the driving gear ring 1, and when the rotary circular plate 2 rotates to a certain angle, the clamping block 72 is sprung into the driving groove 101 of the driving gear ring 1 under the action of the torsion spring 8. Two sides of the driving gear ring 1 are vertically provided with an abutting column 10, the abutting column 10 is fixedly connected with an external shell (not shown in the drawing), and one end of the abutting column 10 is in sliding fit with the side wall of the driving gear ring 1. When the rotary disk 2 is rotated to a certain angle, the abutment post 10 abuts against one side of the abutment plate 71 and pushes the abutment plate 71 in a direction approaching the central axis of the rotary disk 2.

Referring to fig. 2 and 3, a first micro switch 11 and a second micro switch 12 are provided on a side of the driving disk where the driving plate 6 is provided, and the first micro switch 11 and the second micro switch 12 are connected to an external case (not shown in the drawings). The first micro-switch 11 and the second micro-switch 12 are respectively provided with a connecting spring piece 13, one end, far away from the first micro-switch 11 and the second micro-switch 12, of the connecting spring piece 13 is connected with a contact head 14, the two contact heads 14 and the transmission plate 6 are located in the same plane, and the contact heads 14 are abutted against the edge of the transmission plate 6 under the action of the connecting spring piece 13. When the contact 14 on the first microswitch 11 is in contact with the first drive arc 62 and the contact 14 on the second microswitch 12 is in contact with the second drive arc 63, the device is in the first electrical state. When the contact 14 on the first microswitch 11 is in contact with the second drive arc 63 and the contact 14 on the second microswitch 12 is in contact with the first drive arc 62, the device is in the second electrical state.

Referring to fig. 2 and 3, when the state of the sensitive switch is adjusted, the drive ring gear 1 is rotated by the drive of the external drive source, and the engagement block 72 on the side of the rotary disk 2 slides relative to the inner circumferential wall of the drive ring gear 1. When the clamping block 72 on one side of the rotary circular plate 2 moves to correspond to the driving groove 101 on the inner annular wall of the driving gear ring 1, the clamping block 72 is sprung into the driving groove 101 under the action of the torsion spring 8 and is connected with the driving gear ring 1, connection between the rotary circular plate 2 and the driving gear ring 1 is achieved, and the rotary circular plate 2 rotates along with the driving gear ring 1. The drive plate 6 rotates synchronously with the rotating circular plate 2, the contact head 14 on the first micro switch 11 and the contact head 14 on the second micro switch 12 slide relatively at the edge of the drive plate 6, and when the contact head 14 on the first micro switch 11 slides to contact with the first drive arc edge 62 and the contact head 14 on the second micro switch 12 slides to contact with the second drive arc edge 63, the device is adjusted to the first electrical state. The provision of the engagement sloping edge 64 facilitates sliding movement of the contact head 14 between the first drive arc edge 62 and the second drive arc edge 63.

Referring to fig. 2 and 3, when the engaging block 72 and the engaging plate 71 connected to the engaging block 72 are rotated with the rotary disk 2 and the driving ring gear 1 until they come into contact with the engaging post 10, the engaging post 10 rotates the engaging plate 71 in a direction toward the central axis of the rotary disk 2, the engaging block 72 is rotated with the engaging plate 71 and separated from the driving groove 101 on the inner peripheral wall of the driving ring gear 1, the force of the driving ring gear 1 on the rotary disk 2 is cut off, and the contact heads 14 on the first micro switch 11 and the second micro switch 12 stop sliding relatively on the driving plate 6, thereby completing the adjustment of the electrical state of the device.

Referring to fig. 3, the limiting rod 4 is arranged to limit the driving plate 6, so that the driving plate 6 can be kept in a plane with the contact heads 14 on the first micro switch 11 and the second micro switch 12, and the contact heads 14 can be always abutted against the edge of the driving plate 6. The sleeve joint section 51 on the sleeve joint rod 5 prevents the transmission plate 6 from rotating relatively on the sleeve joint rod 5, and improves the connection stability of the transmission plate 6 on the sleeve joint rod 5. The arrangement of the connecting hole 21 on the rotary circular plate 2 and the connecting blind groove 9 on the abutting plate 71 facilitates the connection of the torsion spring 8 with the rotary circular plate 2 and the abutting plate 71 by an operator.

Referring to fig. 1-3, when the electrical state of the device needs to be adjusted, the driving source drives the driving gear ring 1 to rotate reversely. The engagement block 72 connected to the other side of the rotary disk is engaged with the drive groove 101 of the drive ring gear 1, and drives the rotary disk 2 and the transmission plate 6. When the contact 14 on the first microswitch 11 moves into contact with the second drive arc 63 and the contact 14 on the second microswitch 12 moves into contact with the first drive arc 62, the device switches to the second electrical state. The arrangement of the two groups of transmission parts 7 realizes that the electric state of the device can be adjusted by only using a small stroke of reciprocating rotation of a driving source, and the arrangement of the mounting cylinder 3 facilitates the connection of the rotating circular plate 2 with an external structure by an operator.

The implementation principle of the bidirectional clutch for the sensitive switch in the embodiment of the application is as follows: the driving gear ring 1 rotates, and the clamping block 72 on one side of the rotating circular plate 2 and the inner annular wall of the driving gear ring 1 slide relatively. When the clamping block 72 on one side of the rotary circular plate 2 moves to correspond to the driving groove 101 on the inner annular wall of the driving gear ring 1, the clamping block 72 is sprung into the driving groove 101 under the action of the torsion spring 8 and is connected with the driving gear ring 1, connection between the rotary circular plate 2 and the driving gear ring 1 is achieved, and the rotary circular plate 2 rotates along with the driving gear ring 1. The transmission plate 6 rotates synchronously along with the rotating circular plate 2, the contact head 14 on the first micro switch 11 and the contact head 14 on the second micro switch 12 slide relatively at the edge of the transmission plate 6, and when the contact heads 14 on the first micro switch 11 and the second micro switch 12 slide to different positions at the edge of the transmission plate 6, the device is in different electrical states.

When the abutment plate 71 rotates to contact with the abutment post 10, the abutment post 10 pushes the abutment plate 71 in a direction approaching the central axis of the rotating circular plate 2, the clamping block 72 is separated from the driving groove 101, the acting force of the driving gear ring 1 on the rotating circular plate 2 is cut off, the contact heads 14 on the first micro switch 11 and the second micro switch 12 stop on the transmission plate 6 to generate relative sliding, and the adjustment of the electrical state of the device is completed. The arrangement of the two sets of transmission parts 7 realizes that the electric state of the device can be regulated by only one driving source.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (7)

1. A bi-directional clutch for a sensitive switch, characterized by: including drive ring gear (1), rotation plectane (2), drive plate (6), first micro-gap switch (11) and second micro-gap switch (12), rotate plectane (2) rotate connect in the inside of drive ring gear (1), drive ring gear (1) are connected with the driving source, first micro-gap switch (11) with second micro-gap switch (12) set up in one side of drive ring gear (1), all be provided with on first micro-gap switch (11) and second micro-gap switch (12) and connect shell fragment (13), one side that rotates plectane (2) be close to first micro-gap switch (11) is connected with cup joint pole (5), drive plate (6) connect in on cup joint pole (5) and with rotate (2) parallel arrangement, one end that connects shell fragment (13) be close to drive plate (6) is connected with first transmission arc limit (62) and second transmission limit (12), the edge of drive plate (6) is provided with first transmission arc limit (63) contact edge (14) the radius of first arc (63) on one side of rotation arc (6) contact the radius (7), the transmission piece (7) comprises a mounting column (73), an abutting plate (71) and a clamping block (72), wherein the mounting column (73) is arranged on one side of a rotating circular plate (2), the clamping block (72) is rotationally connected to the mounting column (73), an elastic piece connected with the clamping block (72) is arranged on the mounting column (73), the abutting plate (71) is connected to one side of the clamping block (72) away from the rotating circular plate (2), one side of the abutting plate (71) extends towards the direction away from the central shaft of the driving circular ring (1), a driving groove (101) corresponding to the shape of the clamping block (72) is formed in the inner annular wall of the driving circular ring (1), the clamping block (72) is abutted to the inner annular wall of the driving circular ring (1) in a natural state, an abutting column (10) is arranged on one side of the driving circular ring (1), the abutting column (10) is connected to one side of the clamping block (72), and the driving circular ring (1) is arranged to be slid, and the abutting plate (1) is pushed to the inner annular wall (72) to be close to the rotating position of the driving circular ring (1).

2. A bi-directional clutch for a sensitive switch as defined in claim 1 wherein: the utility model discloses a clutch mechanism, including rotatory plectane (2), drive plate (6), connecting rod (4), connecting rod (5) coaxial coupling, connecting rod (4) are close to one side of drive plate (6) is connected with gag lever post (4), gag lever post (4) keep away from one end of rotating plectane (2), the diameter of gag lever post (4) is greater than the diameter of connecting rod (5), cup joint hole (61) have been seted up on drive plate (6), drive plate (6) pass through cup joint hole (61) cover locate on connecting rod (5), one side of drive plate (6) with the laminating of gag lever post (4) sets up.

3. A bi-directional clutch for a sensitive switch as defined in claim 1 wherein: the elastic piece comprises a torsion spring (8), a connecting hole (21) is formed in the rotating circular plate (2), the connecting hole (21) is formed in one side of the mounting column (73), a connecting blind groove (9) is formed in the side edge, away from the driving gear ring (1), of the abutting plate (71), the torsion spring (8) is sleeved on the mounting column (73), one end of the torsion spring (8) is connected to the connecting hole (21), and the other end of the torsion spring (8) is connected to the connecting blind groove (9).

4. A bi-directional clutch for a sensitive switch as defined in claim 2 wherein: the sleeve joint rod (5) is provided with a sleeve joint section (51) along the length direction, and the shape of the sleeve joint hole (61) is correspondingly arranged with the section shape of the sleeve joint rod (5).

5. A bi-directional clutch for a sensitive switch as defined in claim 1 wherein: the transmission piece (7) is provided with one on both sides of the rotary circular plate (2), and the abutting column (10) is provided with one on both opposite sides of the driving gear ring (1).

6. A bi-directional clutch for a sensitive switch as defined in claim 1 wherein: the circumference of drive plate (6) is provided with and links up hypotenuse (64), link up hypotenuse (64) set up in the junction of first transmission arc limit (62) with second transmission arc limit (63).

7. A bi-directional clutch for a sensitive switch as defined in claim 1 wherein: one side of the rotary circular plate (2) deviating from the sleeve joint rod (5) is connected with a mounting cylinder (3), and the mounting cylinder (3) and the rotary circular plate (2) are coaxially arranged.