CN111670533B

CN111670533B - Double-motor driver

Info

Publication number: CN111670533B
Application number: CN201980007942.3A
Authority: CN
Inventors: 克里斯汀·伽斯纳
Original assignee: Limoss Shenzhen Co Ltd
Current assignee: Limoss Shenzhen Co Ltd
Priority date: 2019-03-28
Filing date: 2019-03-28
Publication date: 2022-10-21
Anticipated expiration: 2039-03-28
Also published as: CN111670533A; WO2020191746A1; WO2020191746A8

Abstract

The present application relates to a dual motor drive. Double motor driver (10) are including shell (100), actuating mechanism (200) and control assembly (300), shell (100) are including main casing body (110) and connect in main casing body (110) outside control box (120), be equipped with strip groove (118) on main casing body (110), actuating mechanism (200) are including motor (210), transfer line (220), slider (230), adaptor (290) and braking piece (260), motor (210) are connected with transfer line (220) transmission, the axis of transfer line (220) becomes the contained angle setting with the extending direction of strip groove (118), slider (230) set up on transfer line (220), adaptor (290) are connected with slider (230), braking piece (260) slide and set up in strip groove (118), and be connected with adaptor (290). The control assembly (300) includes an electrical switch (304) mounted within the control box (120), the electrical switch (304) being cooperable with the detent (260) to control the travel of the slider (230).

Description

Double-motor driver

Technical Field

The present application relates to the field of linear actuator technology, and more particularly, to a dual motor actuator.

Background

The linear driver is an electric driving device which converts the rotary motion of a motor into the linear motion of an execution unit, and is mostly used in sitting and lying instruments to realize the adjustment of the position of a target structure. The current linear drives, classified according to the number of motors used, mainly comprise single-motor drives and dual-motor drives, wherein dual-motor drives are more applied in large instruments due to their high stability in adjustment.

Generally, for a dual-motor driver, all the components are installed in a common housing, and the moving direction of the braking member cooperating with the travel switch is consistent with the moving direction of the actuating unit.

Disclosure of Invention

The application aims to provide a double-motor driver, and aims to solve the problem that the traditional double-motor driver occupies a large space.

A dual motor drive comprising:

the shell comprises a main shell body and a control box connected to the outside of the main shell body, and a strip-shaped groove is formed in the main shell body;

the driving mechanism is arranged in the main shell and comprises a motor, a transmission rod, a sliding block, an adapter piece and a braking piece, the motor is in transmission connection with the transmission rod, an included angle is formed between the axis of the transmission rod and the extending direction of the strip-shaped groove, the sliding block is arranged on the transmission rod, the adapter piece is connected with the sliding block, the braking piece is arranged in the strip-shaped groove in a sliding mode and connected with the adapter piece, the motor can drive the transmission rod to rotate so as to drive the sliding block to do linear reciprocating motion, and therefore the sliding block can drive the braking piece to do linear reciprocating motion through the adapter piece; and

and the control assembly comprises an electrical switch arranged in the control box, and the electrical switch can be matched with the braking piece to control the stroke of the sliding block.

In one embodiment, the adaptor is fixedly connected with the sliding block, a sliding groove is formed in the adaptor, and the braking part is arranged on the sliding groove in a sliding mode.

In one embodiment, the adaptor is arranged at one end of the sliding block close to the motor.

In one embodiment, the main housing is provided with a moving groove extending along the axial direction of the transmission rod, and the sliding block is slidably arranged in the moving groove.

In one embodiment, the main housing includes a first side surface and a second side surface that are disposed opposite to each other, an extending direction of the first side surface is parallel to an extending direction of the strip-shaped groove, and an extending direction of the second side surface is parallel to an axial direction of the transmission rod.

In one embodiment, the electrical switch comprises a first travel switch and a second travel switch, the first travel switch and the second travel switch are both mounted on the control box, the braking member is capable of cooperating with the first travel switch to control the first limit position of the slider, and the braking member is further capable of cooperating with the second travel switch to control the second limit position of the slider.

In one embodiment, the braking member includes a first guiding surface and a second guiding surface that are disposed at intervals along an extending direction of the strip-shaped groove, the first travel switch includes a first switch main body and a first contact that are connected to each other, the second travel switch includes a second switch main body and a second contact that are connected to each other, the first switch main body and the second switch main body are both disposed in the control box, the first contact and the second contact both extend into the strip-shaped groove and can extend and retract relative to the control box, the first contact and the second contact are disposed at intervals along the extending direction of the strip-shaped groove, the first guiding surface can guide the first contact to change an extending and retracting state of the first contact, and the second guiding surface can guide the second contact to change an extending and retracting state of the second contact.

In one embodiment, the braking member further includes an extending surface connected between the first guiding surface and the second guiding surface, and the braking member is further provided with a first groove and a second groove respectively arranged on two sides of the extending surface; when the sliding block moves between the first limit position and the second limit position, the first contact and the second contact are both abutted against the extension surface; when the sliding block moves to the first limit position, the first contact extends into the first groove; when the sliding block moves to the second limit position, the second contact extends into the second groove.

In one embodiment, at least one of the first and second extreme positions is adjustable.

In one embodiment, the braking member includes a braking body and an adjusting member detachably connected to the braking body, the braking body includes a first abutting surface, the adjusting member includes a second abutting surface, the second abutting surface abuts against the first abutting surface to form the extending surface, the adjusting member includes at least one of the first guiding surface and the second guiding surface, and at least one of the first groove and the second groove is disposed on the adjusting member.

In one embodiment, the braking member is provided with a groove, and the groove is positioned between the first guide surface and the second guide surface; when the sliding block moves between the first limit position and the second limit position, the first contact and the second contact both extend into the groove; after the first contact leaves the groove along the first guide surface, the sliding block moves to the first limit position; and after the second contact leaves the groove along the second guide surface, the sliding block moves to the second limit position.

In one embodiment, the slider comprises an end surface for abutting against a target structure, and an included angle between the axis of the transmission rod and the end surface is an acute angle.

In one embodiment, the main housing is detachably connected to the control box.

In one embodiment, the housing further includes a connecting member capable of rotating relative to the main housing and the control box, the control box includes a first surface and a second surface that are opposite to each other, the main housing has a contact surface contacting the second surface, the control box is provided with a first insertion hole, the first insertion hole penetrates through the first surface and the second surface, the contact surface is provided with a second insertion hole, the second insertion hole is opposite to the first insertion hole, and the connecting member is inserted through the first insertion hole and the second insertion hole to connect the main housing and the control box.

In one embodiment, the connecting member includes an operating portion, an extending portion and a locking portion, one end of the extending portion is connected to the operating portion, the other end of the extending portion is connected to the locking portion, the first surface is located between the operating portion and the second surface, the extending portion is disposed through the first insertion hole and the second insertion hole, the locking portion includes a plurality of rotating teeth disposed around the extending portion at intervals, each rotating tooth can abut against the main housing, and the shape of the second insertion hole matches the shape of the locking portion.

In one embodiment, the first surface is provided with a locking mark and an unlocking mark.

In one embodiment, the housing further includes an elastic member, the elastic member is disposed in the control box and sleeved on the connecting member, one end of the elastic member abuts against the control box, and the other end of the elastic member abuts against the connecting member.

In one embodiment, one of the main housing and the control box is provided with a positioning column, the other of the main housing and the control box is provided with a positioning hole, and the positioning column is inserted into the positioning hole.

In one embodiment, the control assembly further includes a circuit board disposed in the control box, the circuit board is electrically connected to the motor and the electrical switch, the control box is provided with a plurality of expansion interfaces, and each expansion interface is electrically connected to the circuit board.

In one embodiment, the control assembly further includes a circuit board disposed in the control box, the circuit board is electrically connected to both the motor and the electrical switch, the dual-motor driver further includes an electrical connection assembly, the electrical connection assembly includes a first electrical connector and a second electrical connector, the first electrical connector is disposed on the main housing and electrically connected to the driving mechanism, the second electrical connector is disposed on the control box and electrically connected to the circuit board, and the second electrical connector is mated with the first electrical connector.

The embodiment of the application has the following beneficial effects:

in the double-motor driver, the electric switch is arranged on the control box outside the main shell, so that the design that all parts are arranged in the main shell is avoided, and the size of the main shell can be reduced. And the braking piece is connected with the sliding block through the adapter, and the adapter enables the braking piece to be matched with the sliding block more flexibly, so that the braking piece and the sliding block can be arranged in the main shell more compactly, and the space occupied by the double-motor driver can be reduced.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Wherein:

FIG. 1 is a schematic diagram of a dual motor drive according to an embodiment;

FIG. 2 is a block diagram of a partial structure of the dual motor drive shown in FIG. 1;

FIG. 3 is an exploded view of the control box of the dual motor drive of FIG. 1;

FIG. 4 is a rear view of a control box in the dual motor drive of FIG. 1;

FIG. 5 isbase:Sub>A cross-sectional view of the structure shown in FIG. 4 at A-A;

FIG. 6 is a schematic view of the structure of the connecting member of the dual motor drive shown in FIG. 1;

FIG. 7 is a partial schematic structural view of a main housing of the dual motor drive of FIG. 1;

FIG. 8 is a partial schematic view of the dual motor drive of FIG. 1;

FIG. 9 is a schematic view of the drive mechanism in the dual motor drive of FIG. 1;

FIG. 10 is a schematic view showing the structure of a braking member in the driving mechanism shown in FIG. 9;

fig. 11 is an exploded view of the stopper shown in fig. 10.

Detailed Description

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are illustrated in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 and 2, the dual-motor driver 10 of an embodiment is mainly applied to a large-sized apparatus, such as an electric bed, etc., to adjust the position of a target structure, such as a chair frame, a bed frame or a machine console, etc., so as to make the target structure more suitable for the user.

In this embodiment, the dual-motor driver 10 includes a driver body and a hand controller 14, the driver body includes a housing 100, a driving mechanism 200, a control component 300 and an electrical connection component 400, the driving mechanism 200, the control component 300 and the electrical connection component 400 are all mounted on the housing 100, the driving mechanism 200 is electrically connected to the control component 300 through the electrical connection component 400, and the hand controller 14 is electrically connected to the control component 300 to control the driving mechanism 200, so as to adjust a target structure connected to the driving mechanism 200.

Two sets of driving mechanisms 200 are provided, and correspondingly, two sets of electrical connection assemblies 400 are provided, which are in one-to-one correspondence with the two sets of driving mechanisms 200. Since the two sets of driving mechanisms 200 have the same structure, the following description will mainly describe one set of driving mechanism 200, and the electrical connection assembly 400 has the same structure.

Specifically, referring to fig. 1 and 8, the housing 100 includes a main casing 110 and a control box 120 connected to the main casing 110, an accommodating cavity 112 is disposed in the main casing 110, two sets of driving mechanisms 200 are symmetrically disposed in the accommodating cavity 112, and the control box 120 is located outside the accommodating cavity 112.

In this embodiment, the main housing 110 is detachably connected to the control box 120 for easy assembly and maintenance.

As shown in fig. 3 to 7, the housing 100 further includes a connecting member 130, the control box 120 includes a first surface 122 and a second surface 124 that are oppositely disposed, the main housing 110 has a contact surface 114 that contacts the second surface 124, the control box 120 is provided with a first insertion hole 126, the first insertion hole 126 penetrates through the first surface 122 and the second surface 124, the contact surface 114 is provided with a second insertion hole 116 that is communicated with the accommodating cavity 112, the second insertion hole 116 is opposite to the first insertion hole 126, and the connecting member 130 is inserted through the first insertion hole 126 and the second insertion hole 116 to connect the main housing 110 and the control box 120.

More specifically, the connecting member 130 is L-shaped as a whole, and includes an operating portion 131, an extending portion 133 and a locking portion 135, one end of the extending portion 133 is connected to the operating portion 131, the other end is connected to the locking portion 135, the first surface 122 is located between the operating portion 131 and the second surface 124, the extending portion 133 is inserted into the first insertion hole 126 and the second insertion hole 116, the locking portion 135 includes a plurality of rotating teeth 137 which are spaced around the extending portion 133, each rotating tooth 137 can abut against the main housing 110, and the shape of the second insertion hole 116 matches the shape of the locking portion 135.

When the control box 120 is fixed relative to the main housing 110, the rotary teeth 137 abut against the inner wall of the main housing 110 to hook the main housing 110, and at this time, the connecting member 130 cannot move relative to the main housing 110 and the control box 120 in the direction from the second surface 124 to the first surface 122, that is, at this time, the connecting member 130 locks the main housing 110 and the control box 120. The connecting member 130 can rotate relative to the main housing 110 and the control box 120, and when the connecting member 130 rotates a certain angle so that the projection of the rotating teeth 137 on the second surface 124 falls within the projection range of the second insertion hole 116 on the second surface 124, the connecting member 130 can be separated from the main housing 110, and at this time, the main housing 110 can be separated from the control box 120.

For the dual-motor driver 10 of the present embodiment, the connection between the main housing 110 and the control box 120 through the connection member 130 is not only firm, but also can be separated from the main housing 110 and the control box 120 directly and manually, which is very convenient. Of course, in other embodiments, the main housing 110 and the control box 120 may be detachably connected in other manners, such as screwing, snapping, and the like, the main housing 110 and the control box 120.

In order to facilitate the user to lock or separate the main housing 110 and the control box 120, the first surface 122 is provided with a locking mark 102 and an unlocking mark 104 for prompting the user, and the connecting member 130 can rotate relative to the main housing 110 and the control box 120 to switch from a state pointing to the locking mark 102 to a state pointing to the unlocking mark 104. When the connecting member 130 points at the locking mark 102, the connecting member 130 locks the control box 120 with the main housing 110, and when the connecting member 130 points at the unlocking mark 104, the connecting member 130 is detachable with respect to the main housing 110, thereby enabling separation of the main housing 110 and the control box 120.

It is understood that in other embodiments, the locking mark 102 and the unlocking mark 104 may be omitted, and the limiting structure is provided to limit the two rotational extreme positions of the connecting member 130, so as to facilitate the operation of the user.

In order to prevent the link 130 from rotating due to accidental touching during transportation or use of the dual motor drive 10, the link 130 and the control box 120 can be fixed when the link 130 points to the locking mark 102.

In this embodiment, the operation portion 131 is provided with a first position-limiting hole 106, the first surface 122 is provided with a second position-limiting hole 108, and when the operation portion 131 points to the locking mark 102, the first position-limiting hole 106 is opposite to the second position-limiting hole 108. The rotation of the connecting member 130 with respect to the control box 120 can be restricted by inserting the pins into the first and second restricting

holes

106 and 108.

Further, the connecting member 130 can also move relative to the control box 120 in a direction parallel to the first surface 122 to the second surface 124.

In one embodiment, the housing 100 further includes an elastic member 160, the elastic member 160 is disposed in the control box 120 and sleeved on the connecting member 130, one end of the elastic member 160 abuts against the control box 120, and the other end abuts against the connecting member 130. When the connection member 130 locks the control box 120 and the main housing 110, that is, the connection member 130 is directed to the locking mark 102, the elastic member 160 is compressed. In this state, when the dual motor driver 10 is shaken or the placing direction is changed by an external force, the elastic member 160 can prevent the link 130 from being slowly rotated from the locking mark 102 to the unlocking mark 104. When the connection member 130 is rotated to a position where it can be separated from the main housing 110, that is, when the connection member 130 is directed to the unlocking mark 104, the elastic member 160 directly ejects the connection member 130 out of the second insertion hole 116. Therefore, the elastic member 160 is provided more laborsaving for the user's operation. It is understood that in other embodiments, the elastic member 160 can be omitted, and the connecting member 130 can be directly pulled out of the second insertion hole 116 manually.

In addition, the elastic member 160 can also limit the movement of the connection member 130 relative to the control box 120 in the direction from the second surface 124 to the first surface 122, so as to prevent the connection member 130 from being disengaged from the control box 120 and lost after the control box 120 and the main housing 110 are separated.

To realize the fast assembly of the main housing 110 and the control box 120, as shown in fig. 4 and 7, the main housing 110 is provided with positioning posts 140, the control box 120 is provided with positioning holes 150, and the positioning posts 140 are inserted into the positioning holes 150. In this embodiment, a plurality of positioning posts 140 are disposed on the main housing 110 at intervals, and the positioning holes 150 correspond to the positioning posts 140 one to one. It is understood that in other embodiments, the number of the positioning posts 140 and the positioning holes 150 may be one. In addition, in other embodiments, the positions of the positioning posts 140 and the positioning holes 150 can be interchanged, that is, the positioning posts 140 are disposed on the control box 120, and the positioning holes 150 are disposed on the main housing 110.

Referring to fig. 8 and 9, the driving mechanism 200 includes a motor 210, a transmission rod 220 and a sliding block 230; the target structure comprises a swinging member 240 and a rotating shaft 250, the motor 210 is electrically connected with the control assembly 300 through the electric connection assembly 400 and is in transmission connection with the transmission rod 220; the sliding block 230 is arranged on the transmission rod 220, and the swinging piece 240 abuts against the sliding block 230 and is fixedly connected with the rotating shaft 250; the rotation shaft 250 is rotatably coupled to the main housing 110, and the rotation shaft 250 is used to couple the remaining structures of the target structure.

The motor 210 drives the transmission rod 220 to rotate to drive the sliding block 230 to perform linear reciprocating motion, and the sliding block 230 rotates in the process of moving to realize the rotation of the swinging member 240, so that the swinging member 240 drives the rotating shaft 250 to rotate, and the rotating shaft 250 directly or indirectly transmits the rotating motion to other structures of the target structure to realize the adjustment of the target structure.

The main housing 110 is provided with a moving groove 111 extending in an axial direction of the driving lever 220, and the slider 230 is slidably disposed in the moving groove 111. The moving groove 111 mainly serves to guide the movement of the slider 230 and prevent the slider 230 from rotating together with the driving lever 220. In other embodiments, a guide rail slidably engaged with the slider 230 may be provided in the main housing 110, and the guide rail extends along the axial direction of the transmission rod 220.

It should be noted that, in the present embodiment, an included angle between the end surface 232 of the sliding block 230 abutting against the swinging member 240 and the axis of the transmission rod 220 is an acute angle, that is, the axis of the transmission rod 220 is not perpendicular to the end surface 232, so that the stress condition of the sliding block 230 can be improved, and the abrasion between the swinging member 240 and the sliding block 230 can be reduced.

The slider 230 includes a nut 231 and an end cap 233, the nut 231 is screwed to the transmission lever 220, and the end cap 233 is provided at one end of the nut 231 and abuts against the swinging member 240. It will be appreciated that the end surface 232 is the surface of the end cap 233 that abuts the oscillating member 240. In the present embodiment, the nut 231 is detachably connected to the end cover 233, so that the oscillating member 240 is prevented from directly abutting against the nut 231 to prevent the nut 231 from being worn, and if the end surface 232 is seriously damaged, only the end cover 233 can be replaced, thereby reducing the maintenance cost. Of course, in other embodiments, the end cap 233 may be omitted, and the swinging member 240 may directly abut on the slider 230.

It is worth mentioning that the dual motor drive 10 of the present embodiment is equally applicable to target structures of different forms.

In order to ensure safety performance, the dual motor driver 10 of the present embodiment has a function of limiting the stroke of the slider 230, specifically, a limit position for limiting the movement of the slider 230.

Specifically, as shown in fig. 2, 4, 7 and 8, the control assembly 300 includes a circuit board 302 and an electrical switch 304, the circuit board 302 is installed in the control box 120 and electrically connected to the motor 210 through an electrical connection assembly 400, and the circuit board 302 is further electrically connected to the hand controller 14. The electrical switch 304 includes a first travel switch 310 and a second travel switch 320, and both the first travel switch 310 and the second travel switch 320 are electrically connected to the circuit board 302. The driving mechanism 200 further includes a stopper 260, the stopper 260 is connected to the slider 230, and the slider 230 moves to drive the stopper 260 to move together. The detent 260 is engageable with a first travel switch 310 to control a first extreme position of the slide 230, and the detent 260 is also engageable with a second travel switch 320 to control a second extreme position of the slide 230.

More specifically, the first travel switch 310 includes a first switch main body 312 and a first contact 314 connected to each other, the second travel switch 320 includes a second switch main body 322 and a second contact 324 connected to each other, the first travel switch 310 and the second travel switch 320 are both disposed in the control box 120, the first contact 314 and the second contact 324 can extend and contract relative to the control box 120 through corresponding springs and both protrude from the second surface 124, and the first contact 314 and the second contact 324 are disposed at intervals along the first direction. The first contact 314 controls the first limit position correspondingly, and the second contact 324 controls the second limit position correspondingly.

In this embodiment, the main housing 110 is provided with a strip-shaped groove 118 communicating with the accommodating cavity 112, the braking member 260 is slidably disposed in the strip-shaped groove 118, an extending direction of the strip-shaped groove 118 is parallel to the first direction, that is, a moving direction of the braking member 260 is parallel to the first direction, and the braking member 260 is slidably disposed in the strip-shaped groove 118, so that the braking member 260 is more stable during moving. The first contact 314 and the second contact 324 extend into the slot 118 to mate with the detent 260.

Referring to fig. 10, the braking member 260 includes a first guiding surface 261, an extending surface 262 and a second guiding surface 263 sequentially arranged along the first direction, wherein the extending surface 262 is connected between the first guiding surface 261 and the second guiding surface 263. The first guide surface 261 can guide the first contact 314 to change the telescopic state of the first contact 314, and the second guide surface 263 can guide the second contact 324 to change the telescopic state of the second contact 324. The stopper 260 has a first recess 264 and a second recess 265 respectively disposed on two sides of the extending surface 262, the first guiding surface 261 is an inner sidewall of the first recess 264, and the second guiding surface 263 is an inner sidewall of the second recess 265.

When the slider 230 moves between the first limit position and the second limit position, the first contact 314 and the second contact 324 are abutted against the extension surface 262, and the first contact 314 and the second contact 324 are in a contracted state. The first contact 314 extends into the first recess 264 when the slider 230 is moved to the first extreme position, and the second contact 324 extends into the second recess 265 when the slider 230 is moved to the second extreme position. As will be readily appreciated, when the slider 230 moves between the first and second extreme positions, the first and

second contacts

314, 324 are both in a retracted state; when the slider 230 is at the first limit position, the first contact 314 is in the extended state, and the second contact 324 is still in the contracted state abutting against the extending surface 262; when the slider 230 is in the second limit position, the second contact 324 is in the extended state and the first contact 314 is still in abutment with the extended surface 262 and in the retracted state. Also, with the viewing angle of fig. 9, the first extreme position is located on the left side and the second extreme position is located on the right side, i.e., the first extreme position is closer to the motor 210 than the second extreme position.

In the present embodiment, the first guide surface 261 can guide the first contact 314 to return to the state of abutting against the extension surface 262 from inside the first concave groove 264, that is, the first guide surface 261 can guide the slider 230 to move from the first limit position to the second limit position. The second guiding surface 263 is also capable of guiding the second contact 324 from the second recess 265 to the state of abutting against the extending surface 262, i.e., the second guiding surface 263 is capable of guiding the slider 230 from the second limit position to the first limit position.

When the sliding block 230 moves to the first limit position, the motor 210 stops, and the user can operate the hand controller 14 to rotate the motor 210 reversely so as to move the sliding block 230 to the second limit position. Similarly, when the slider 230 moves to the second limit position, the motor 210 stops, and the user can reverse the motor 210 by operating the hand controller 14 to move the slider 230 toward the first limit position.

In other embodiments, the manner in which the first and second travel switches 310, 320 are actuated can also be varied, for example, by providing a recess between the first and second guide surfaces 261, 263, such that when both the first and

second contacts

314, 324 extend into the recess, the slider 230 moves between the first limit position and the second limit position, and when the first contact 314 exits the recess along the first guide surface 261, the slider 230 moves to the first limit position, in which case the second contact 324 still extends into the recess, and when the second contact 324 exits the recess along the second guide surface 263, the slider 230 moves to the second limit position, in which case the first contact 314 still extends into the recess.

It is understood that the number of the first and second travel switches 310 and 320 is two, and one first and second travel switches 310 and 320 corresponds to one set of the driving mechanisms 200.

Further, in the present embodiment, at least one of the first and second extreme positions is adjustable to accommodate different types of target structures.

Specifically, referring to fig. 10 and 11, the braking member 260 includes a braking body 270 and an adjusting member 280 detachably connected to the braking body 270, the braking body 270 includes a first abutting surface 272, the adjusting member 280 includes a second abutting surface 282, the second abutting surface 282 abuts against the first abutting surface 272 to form an extending surface 262, the adjusting member 280 includes at least one of a first guiding surface 261 and a second guiding surface 263, and at least one of the first recess 264 and the second recess 265 is disposed on the adjusting member 280.

For convenience of understanding, the braking body 270 is defined to include a first guiding inclined surface 271, a first abutting surface 272 and a second guiding inclined surface 273, which are sequentially arranged, and the braking body 270 is further provided with a first mounting groove 274 and a second mounting groove 275, which are respectively located at two sides of the first abutting surface 272. The adjusting member 280 includes a transition inclined surface 281 and a second abutting surface 282 which are connected in sequence, and a transverse groove 283 is further provided on the adjusting member 280.

When the number of the regulating members 280 is 0, the braking body 270 serves as the braking member 260. When the number of the adjusting members 280 is 1 and the adjusting members are disposed in the first mounting grooves 274, the second mounting grooves 275 are the second grooves 265, the second guiding inclined surfaces 273 are the second guiding surfaces 263, the first abutting surfaces 272 and the second abutting surfaces 282 are butted to form the extending surfaces 262, the transverse grooves 283 are the first grooves 264, and the transition inclined surfaces 281 are the first guiding surfaces 261. When the number of the adjusting members 280 is 1 and are disposed in the second mounting groove 275, the same will not be described herein. When the number of the adjusting members 280 is 2, one of the adjusting members 280 is disposed in the first mounting groove 274, and the other adjusting member 280 is disposed in the second mounting groove 275, and at this time, the second abutting surface 282 and the first abutting surface 272 of the two adjusting members 280 together form the extending surface 262, wherein the transverse groove 283 of one adjusting member 280 serves as the first recess 264, the transverse groove 283 of the other adjusting member 280 serves as the second recess 265, the transition inclined surface 281 of one adjusting member 280 serves as the first guiding surface 261, and the transition inclined surface 281 of the other adjusting member 280 serves as the second guiding surface 263.

That is, the presence or absence of the adjustment member 280 and the number of adjustment members 280 determine the dimension of the extension surface 262 in the first direction, and thus the stroke size of the slider 230. Meanwhile, by replacing the adjusting member 280 having the second abutment surface 282 with a different extension length, the extension length of the extension surface 262 can also be changed.

Of course, in other embodiments, the adjustment member 280 may be omitted directly, and the adjustment of the stroke of the slider 230 may be achieved by changing the specification of the braking member 260, i.e., by detachably connecting the braking member 260 to the slider 230.

Referring to fig. 8 and 9, in the present embodiment, the axis of the transmission rod 220 extends along the second direction, and the first direction and the second direction form an included angle, so that the moving direction of the slider 230 is not consistent with the moving direction of the braking member 260, in order to enable the slider 230 to drive the braking member 260 to move smoothly, the driving mechanism 200 further includes an adapter 290, the adapter 290 is connected with the slider 230, and the braking member 260 is in sliding fit with the adapter 290.

Specifically, in the present embodiment, the adaptor 290 is fixedly connected to the sliding block 230, the adaptor 290 is provided with a sliding groove 292, and the stopper 260 is slidably disposed on the sliding groove 292. When the slider 230 moves the stopper 260 to the right, the adaptor 290 moves upward relative to the stopper 260, as shown in fig. 9; when the slider 230 moves the stopper 260 to the left, the adaptor 290 moves downward relative to the stopper 260.

In other embodiments, one end of the adaptor 290 may be rotatably connected to the slider 230 and the other end may be rotatably connected to the stopper 260.

For the dual-motor driver 10 of the present embodiment, the arrangement of the adaptor 290 makes the engagement between the braking member 260 and the sliding block 230 more flexible, so that the braking member 260 and the sliding block 230 can be arranged more compactly in the main housing 110, and the space occupied by the dual-motor driver 10 can be reduced.

Further, the adaptor 290 is disposed at an end of the slider 230 close to the motor 210, so that the stroke range of the slider 230 can be ensured to be sufficiently large while the structure of the driving mechanism 200 is made more compact.

In addition, the shape of the main housing 110 may be matched to the arrangement of the driving mechanism 200 to reduce the volume of the main housing 110.

For example, in the present embodiment, the main housing 110 includes a first side 113 and a second side 115 opposite to each other, the first side 113 extends in a direction parallel to the first direction, the second side 115 extends in a direction parallel to the second direction, the slider 230 is located between the braking member 260 and the second side 115, and a distance between the first limit position and the first side 113 is greater than a distance between the second limit position and the first side 113. The main casing 110 of the present embodiment is smaller in volume than a rectangular parallelepiped main casing.

As shown in fig. 4 and 7, the electrical connection assembly 400 includes a first electrical connector 410 and a second electrical connector 420, the first electrical connector 410 is disposed on the main housing 110 and electrically connected to the driving mechanism 200, the second electrical connector 420 is disposed on the control box 120 and electrically connected to the circuit board 302, and the second electrical connector 420 is plugged and mated with the first electrical connector 410. The electrical connection assembly 400 has a simple structure and does not interfere with the detachment of the main housing 110 from the control box 120.

In one embodiment, the first electrical connector 410 is a plug and the second electrical connector 420 is a socket. In another embodiment, the first electrical connector 410 is a socket and the second electrical connector 420 is a plug.

It should be noted that in the present embodiment, the hand controller 14 may be connected to the circuit board 302 by wire, or may be connected to the control component 300 by wireless. The hand controller 14 can be replaced as it is when damaged, as an accessory of the actuator body.

In view of the foregoing, it can be seen that the circuit board 302 and the electrical switch 304 are both installed in the control box 120, and other electronic components of the control assembly 300 are also installed in the control box 120, so as to greatly reduce the wiring burden in the main housing 110, not only facilitate the maintenance, but also improve the performance of the dual-motor driver 10.

As shown in fig. 3, in order to enable the functions of the control box 120 to meet the demands of more users, a plurality of expansion interfaces 129 are further disposed on the control box 120, each expansion interface 129 is electrically connected to the circuit board 302, the expansion interfaces 129 can be connected to a backup battery, can be connected to the hand controller 14, can also be connected to other drivers to share one control box 120 or one hand controller 14, can also be used as a USB interface for charging, and the like. The number of expansion interfaces 129 can be configured according to the needs of the user.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several implementation modes of the present application, and the description thereof is specific and detailed, but not construed as limiting the scope of the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, and these are all within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A dual motor drive, comprising:

the main shell is detachably connected with the control box, the shell further comprises a connecting piece which can rotate relative to the main shell and the control box, the control box comprises a first surface and a second surface which are arranged oppositely, the main shell is provided with a contact surface which is contacted with the second surface, the control box is provided with a first jack, the first jack penetrates through the first surface and the second surface, a second jack is arranged on the contact surface, the second jack is opposite to the first jack, and the connecting piece penetrates through the first jack and the second jack to connect the main shell and the control box;

the shell further comprises an elastic piece, the elastic piece is arranged in the control box and sleeved on the connecting piece, one end of the elastic piece is abutted against the control box, the other end of the elastic piece is abutted against the connecting piece, and when the control box and the main shell are relatively fixed, the elastic piece is compressed;

2. The dual-motor driver as claimed in claim 1, wherein the adaptor is fixedly connected to the slider, the adaptor is provided with a sliding groove, and the braking member is slidably disposed on the sliding groove.

3. A dual motor drive as recited in claim 2, wherein said adapter is disposed at an end of said slider block proximate said motor.

4. A dual motor drive as claimed in claim 1, wherein the main housing is provided with a moving slot extending along an axial direction of the transmission rod, and the sliding block is slidably disposed in the moving slot.

5. The dual-motor driver as claimed in claim 1, wherein the main housing includes a first side and a second side opposite to each other, the first side extends in a direction parallel to the direction of the strip-shaped groove, and the second side extends in a direction parallel to the axial direction of the transmission rod.

6. The dual motor drive of claim 1, wherein the electrical switch includes a first travel switch and a second travel switch, the first travel switch and the second travel switch both being mounted on the control box, the detent being cooperable with the first travel switch to control a first extreme position of the slide, the detent also being cooperable with the second travel switch to control a second extreme position of the slide.

7. The dual-motor driver as claimed in claim 6, wherein the braking member includes a first guiding surface and a second guiding surface spaced from each other along an extending direction of the strip-shaped groove, the first stroke switch includes a first switch body and a first contact connected to each other, the second stroke switch includes a second switch body and a second contact connected to each other, the first switch body and the second switch body are both disposed in the control box, the first contact and the second contact both extend into the strip-shaped groove and can extend and retract relative to the control box, the first contact and the second contact are spaced from each other along the extending direction of the strip-shaped groove, the first guiding surface can guide the first contact to change an extending/retracting state of the first contact, and the second guiding surface can guide the second contact to change an extending/retracting state of the second contact.

8. The dual motor drive of claim 7, wherein the brake member further comprises an extension surface connected between the first guide surface and the second guide surface, and the brake member is further provided with a first groove and a second groove respectively disposed at two sides of the extension surface; when the sliding block moves between the first limit position and the second limit position, the first contact and the second contact are abutted with the extension surface; when the sliding block moves to the first limit position, the first contact extends into the first groove; when the sliding block moves to the second limit position, the second contact extends into the second groove.

9. The dual motor drive of claim 8, wherein at least one of the first and second limit positions is adjustable.

10. The dual motor drive of claim 9, wherein the brake member includes a brake body and an adjustment member detachably coupled to the brake body, the brake body includes a first abutment surface, the adjustment member includes a second abutment surface that abuts the first abutment surface to form the extension surface, the adjustment member includes at least one of the first guide surface and the second guide surface, and at least one of the first recess and the second recess is disposed on the adjustment member.

11. The dual motor drive of claim 7, wherein the brake member has a recess therein, the recess being located between the first guide surface and the second guide surface; when the sliding block moves between the first limit position and the second limit position, the first contact and the second contact both extend into the groove; after the first contact leaves the groove along the first guide surface, the sliding block moves to the first limit position; and after the second contact leaves the groove along the second guide surface, the sliding block moves to the second limit position.

12. A dual motor drive as claimed in claim 1, wherein the slide block includes an end face for abutment with a target structure, the axis of the drive link being at an acute angle to the end face.

13. The dual-motor driver as claimed in claim 1, wherein the connecting member includes an operating portion, an extending portion, and a locking portion, one end of the extending portion is connected to the operating portion, the other end of the extending portion is connected to the locking portion, the first surface is located between the operating portion and the second surface, the extending portion is inserted into the first insertion hole and the second insertion hole, the locking portion includes a plurality of rotating teeth disposed around the extending portion at intervals, each of the rotating teeth is capable of abutting against the main housing, and the shape of the second insertion hole matches the shape of the locking portion.

14. A dual motor drive as set forth in claim 13 wherein said first surface is provided with locking and unlocking indicia.

15. A dual-motor driver as claimed in claim 1, wherein one of the main housing and the control box is provided with positioning posts, and the other of the main housing and the control box is provided with positioning holes, the positioning posts being inserted into the positioning holes.

16. The dual-motor driver as claimed in claim 1, wherein the control assembly further comprises a circuit board, the circuit board is disposed in the control box, the circuit board is electrically connected to the motor and the electrical switch, the control box is provided with a plurality of expansion interfaces, and each expansion interface is electrically connected to the circuit board.

17. The dual-motor driver as claimed in claim 1, wherein the control assembly further comprises a circuit board disposed in the control box, the circuit board is electrically connected to the motor and the electrical switch, the dual-motor driver further comprises an electrical connection assembly, the electrical connection assembly comprises a first electrical connector and a second electrical connector, the first electrical connector is disposed on the main housing and electrically connected to the driving mechanism, the second electrical connector is disposed on the control box and electrically connected to the circuit board, and the second electrical connector is plugged into and engaged with the first electrical connector.