CN113089541A

CN113089541A - Core device and quick door opening device with same

Info

Publication number: CN113089541A
Application number: CN202110342517.9A
Authority: CN
Inventors: 董亮; 帅树新
Original assignee: Zhejiang Dahua Technology Co Ltd
Current assignee: Zhejiang Dahua Technology Co Ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-07-09

Abstract

The invention provides a movement device and a quick door opening device with the same, wherein the movement device comprises: a frame body; the motor is fixed on the frame body; the motor is in driving connection with the rotating shaft; the main shaft is used for being in driving connection with the swing door; the damping structure is arranged between the rotating shaft and the main shaft and can provide friction force for the main shaft, the friction force is larger than the torque of the rotating shaft, and the rotating shaft drives the main shaft to rotate through the friction force. Through the technical scheme that this application provided, can solve the fragile problem of motor among the prior art.

Description

Core device and quick door opening device with same

Technical Field

The invention relates to the technical field of quick-acting doors, in particular to a movement device and a quick-acting door device with the same.

Background

At present, when an existing quick door opening device is opened and closed, the existing quick door opening device is mainly controlled through a machine core device, the machine core device mainly comprises a motor, a rotating shaft and a swinging rod, wherein the motor is in driving connection with the rotating shaft, the rotating shaft is fixedly connected with the swinging rod, and the motor drives the swinging rod to synchronously rotate through the rotating shaft.

In the use process of the prior art, if people collide the swing rod, the swing rod can be forced to rotate, and then the rotating shaft and the motor are driven to rotate, so that the motor can be damaged, and the normal use of the device is influenced.

Disclosure of Invention

The invention provides a core device and a quick door opening device with the core device, which aim to solve the problem that a motor in the prior art is easy to damage.

According to an aspect of the present invention, there is provided a movement apparatus including: a frame body; the motor is fixed on the frame body; the motor is in driving connection with the rotating shaft; the main shaft is used for being in driving connection with the swing door; the damping structure is arranged between the rotating shaft and the main shaft and can provide friction force for the main shaft, the friction force is larger than the torque of the rotating shaft, and the rotating shaft drives the main shaft to rotate through the friction force.

Further, the main shaft cover is established in the one end of keeping away from the motor of pivot, and the terminal surface of the one end that is close to the motor of main shaft and the shaft shoulder looks butt of pivot, and the damping structure includes: the dish spring, the dish spring is located the main shaft, and the dish spring cover is established in the pivot, and the dish spring sets up between main shaft and pivot, and the dish spring can provide frictional force to the main shaft.

Further, the damping structure further includes: the adjusting part is located the main shaft, and the adjusting part sets up in the pivot axially movable, the one end and the adjusting part butt of dish spring, the other end and the main shaft butt of dish spring.

Further, the adjusting piece comprises a nut, and the nut is in threaded connection with the rotating shaft.

Further, the movement device further comprises a first bearing and a second bearing, and the main shaft comprises: the connecting plate is sleeved on the rotating shaft, a first bearing is arranged between the connecting plate and the rotating shaft, and the damping structure is arranged between the connecting plate and the rotating shaft; the body, the body has the through-hole, and the body has relative first end and the second end that sets up, and the body is located the one side of keeping away from the motor of connecting plate, and the first end and the connecting plate fixed connection of body, and in the through-hole was worn to establish in the pivot, was provided with the second bearing between the second end of body and the pivot.

Further, the movement device further includes: and the limiting structure is arranged between the frame body and the rotating shaft and is used for limiting the rotating angle of the rotating shaft.

Further, limit structure includes: the grooved wheel is rotatably arranged on the frame body and is provided with a sliding groove and a limiting groove which are arranged at intervals along the circumferential direction; the poking wheel is fixedly arranged on the rotating shaft and corresponds to the grooved wheel, the poking wheel is provided with a poking rod, the poking rod is provided with a rotating position located in the sliding groove and a limiting position located in the limiting groove, the poking wheel can drive the grooved wheel to rotate under the condition that the poking rod is located in the sliding groove, and the grooved wheel can limit the poking wheel to continue rotating under the condition that the poking rod is located in the limiting groove.

Further, the movement device further includes: the support cylinder is rotationally arranged on the frame body, the main shaft is in driving connection with the support cylinder, the side wall of the support cylinder is provided with a swing door fixing part, and the swing door is fixed on the support cylinder through the swing door fixing part.

Further, the movement device further includes: go up the backup pad, set up on the support body, the one end and the main shaft of a support section of thick bamboo are connected, and the other end of a support section of thick bamboo is worn to establish in last backup pad, goes up and is provided with the third bearing between backup pad and the support section of thick bamboo.

According to another aspect of the invention, a quick access door apparatus is provided, which includes the movement apparatus provided above.

By applying the technical scheme of the invention, the movement device comprises a frame body, a motor, a rotating shaft, a main shaft and a damping structure, wherein the motor is fixed on the frame body, the motor is in driving connection with the rotating shaft, the damping structure is arranged between the rotating shaft and the main shaft, and the damping structure provides friction force for the main shaft so that the rotating shaft drives the main shaft to rotate under the action of the friction force. Through the structure, the main shaft can be driven to rotate through the rotating shaft to realize normal opening and closing of the swing door during normal operation, and instant impact force generated by the main shaft is greater than friction force during artificial collision, so that the main shaft is separated from the rotating shaft, and the main shaft can rotate relative to the rotating shaft. Therefore, the rotating shaft and the motor can be prevented from being driven to rotate when the swing door is impacted, the motor is protected, and the normal operation of the motor is ensured.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of a movement device provided according to an embodiment of the present invention;

FIG. 2 shows a cross-sectional view of the core device of FIG. 1;

FIG. 3 shows a partial enlarged view at A in FIG. 2;

FIG. 4 is a schematic structural diagram of a sheave and a thumb wheel provided according to an embodiment of the invention;

fig. 5 shows a schematic structural diagram of a sheave and a thumb wheel provided according to an embodiment of the invention.

Wherein the figures include the following reference numerals:

10. a frame body; 20. a motor; 30. a rotating shaft; 40. a main shaft; 41. a connecting plate; 42. a body; 51. a disc spring; 52. a nut; 61. a first bearing; 62. a second bearing; 63. a third bearing; 71. a grooved wheel; 711. a sliding groove; 712. a limiting groove; 72. a thumb wheel; 721. a deflector rod; 80. a support cylinder; 81. a swing door fixing plate; 82. a support cylinder bottom plate; 83. a spline; 90. and an upper support plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 3, an embodiment of the present application provides a movement device, including: the frame body 10, the motor 20, the rotating shaft 30, the main shaft 40 and the damping structure. The motor 20 is fixed to the frame 10, and may be fixed to the frame 10 through a motor fixing plate. The motor 20 is in driving connection with the rotating shaft 30, the motor 20 and the rotating shaft 30 can transmit torque through keys, and can also transmit torque through a coupler, and the coupler is adopted to connect the motor 20 and the rotating shaft 30 in the application. The main shaft 40 is used for being in driving connection with the swing door, the damping structure is arranged between the rotating shaft 30 and the main shaft 40, the damping structure can provide friction force for the main shaft 40, the provided friction force is larger than the torque of the rotating shaft 30, and the main shaft 40 can be driven to rotate by the rotating shaft 30 through the friction force.

Through the technical scheme that this application provided, set up damping structure between pivot 30 and main shaft 40, provide frictional force through damping structure to main shaft 40, make pivot 30 drive main shaft 40 and rotate under the effect of frictional force, so can make not rigid connection between pivot 30 and the main shaft 40, the two does not have the lug connection together. Through the structure, the main shaft 40 can be driven to rotate through the rotating shaft 30 in normal operation so as to realize normal opening and closing of the swing door, and instant impact force generated by the main shaft 40 is greater than friction force when the swing door is collided artificially, so that the main shaft 40 is separated from the rotating shaft 30, and the main shaft 40 can rotate relative to the rotating shaft 30 at the moment. Therefore, the swinging door can be prevented from driving the rotating shaft 30 and the motor 20 to rotate when being impacted, so as to protect the motor 20 and ensure the normal operation of the motor 20.

The damping structure may be an elastic member, so as to provide an elastic force between the rotating shaft 30 and the main shaft 40 through the elastic member, and also provide a friction force to the rotating shaft 30 and the main shaft 40 through the damping sheet. It is sufficient that the main shaft 40 can be rotated with the rotation shaft 30 by the friction force.

Specifically, this main shaft 40 cover is established in the one end of keeping away from motor 20 of pivot 30, and the terminal surface of the one end that is close to motor 20 of main shaft 40 and the shaft shoulder looks butt of pivot 30, and the damping structure includes: the disc spring 51, the disc spring 51 is located in the spindle 40, and the disc spring 51 is sleeved on the spindle 30, the disc spring 51 is arranged between the spindle 40 and the spindle 30, and the disc spring 51 can provide friction force for the spindle 40. One end of the disc spring 51 may be abutted against the rotation shaft 30, and the other end of the disc spring 51 may be abutted against the spindle 40, so that the frictional force between the spindle 40 and the rotation shaft 30 may be increased by the elastic force of the disc spring 51.

In this embodiment, the damping structure further includes an adjusting member located in the main shaft 40, the adjusting member is axially movably disposed on the rotating shaft 30, one end of the disc spring 51 abuts against the adjusting member, and the other end of the disc spring 51 abuts against the main shaft 40. The adjusting member has an adjusting state and a locking state, and when the adjusting member is in the adjusting state, the adjusting member can move in the axial direction to adjust the compression amount of the disc spring 51, thereby achieving the purpose of adjusting the friction force between the rotating shaft 30 and the main shaft 40.

In this embodiment, the adjusting member includes a nut 52, and the nut 52 is threadedly coupled to the shaft 30. The adjusting member is provided as a nut 52, which has a simple structure and is convenient to process and install, and the position of the nut 52 on the rotating shaft 30 can be conveniently adjusted, so as to achieve the purpose of accurately adjusting the compression amount of the disc spring 51.

Specifically, the movement device further includes a first bearing 61 and a second bearing 62, and the main shaft 40 includes: a connecting plate 41 and a body 42. The connecting plate 41 is sleeved on the rotating shaft 30, the first bearing 61 is arranged between the connecting plate 41 and the rotating shaft 30, so that the connecting plate 41 can rotate relative to the rotating shaft 30, and the damping structure is arranged between the connecting plate 41 and the rotating shaft 30. The body 42 has a through hole, the body 42 has a first end and a second end which are oppositely arranged, the body 42 is located on one side of the connecting plate 41 far away from the motor 20, the first end of the body 42 is fixedly connected with the connecting plate 41, the rotating shaft 30 is arranged in the through hole in a penetrating manner, and a second bearing 62 is arranged between the second end of the body 42 and the rotating shaft 30. In the present embodiment, the connecting plate 41 and the body 42 are fixed together by a fastener. The main shaft 40 can be stably disposed on the rotation shaft 30 by providing the first bearing 61 and the second bearing 62.

Wherein, the core device still includes limit structure, and limit structure sets up between support body 10 and pivot 30, and limit structure is used for limiting the turned angle of pivot 30 to prevent pivot 30 excessively to rotate and damage the swing door. Specifically, the rotation angle of the rotation shaft 30 can be limited by respectively arranging limiting blocks on the frame body and the rotation shaft 30.

As shown in fig. 4 and 5, in this embodiment, the limiting structure includes: a sheave 71 and a thumb wheel 72. The grooved pulley 71 is rotatably disposed on the frame body 10, and specifically, the grooved pulley 71 and the rotating shaft 30 are disposed on a rotating shaft fixing plate together, the rotating shaft fixing plate is connected with the frame body 10, and a bearing is disposed between the grooved pulley 71 and the rotating shaft fixing plate. The sheave 71 has a sliding groove 711 and a stopper groove 712 provided at intervals in the circumferential direction. The dial wheel 72 is fixedly arranged on the rotating shaft 30, the dial wheel 72 is arranged corresponding to the grooved wheel 71, the dial wheel 72 is provided with a dial rod 721, the dial rod 721 is provided with a rotating position located in the sliding groove 711 and a limiting position located in the limiting groove 712, the dial wheel 72 can drive the grooved wheel 71 to rotate under the condition that the dial rod 721 is located in the sliding groove 711, and the grooved wheel 71 can limit the dial wheel 72 to continue rotating under the condition that the dial rod 721 is located in the limiting groove 712. The dial 72 is engaged with the grooved pulley 71 to limit the rotation angle of the rotary shaft 30.

Specifically, two sliding grooves 711 are provided, the sliding grooves 711 are provided on the side wall of the grooved pulley 71 and extend in the radial direction, the included angle of the two sliding grooves 711 is 90 °, 4 shift levers 721 are provided on the shift wheel 72, the 4 shift levers are uniformly provided on the shift wheel 72 along the circumferential direction, when two adjacent shift levers 721 are simultaneously located in the two corresponding sliding grooves 711, the shift wheel 72 is located at the initial position, the shift wheel 72 can rotate clockwise or counterclockwise, that is, the swing door can be opened inwards or outwards at this time. When the thumb wheel 72 rotates 90 degrees counterclockwise, two of the thumb wheels 721 located at 0 degree in the sliding groove 711 are rotated out of the sliding groove 711, and one of the other two thumb wheels 721 is located in the limiting groove 712, so that the rotation of the thumb wheel 72 is limited by the matching of the limiting groove 712 and the thumb wheels 721, and the purpose of limiting the rotation of the rotating shaft 30 can be achieved, and the door closing operation can be performed in the reverse direction. The device has simple structure, convenient installation and low cost, and can realize the accurate control of the rotation angle of the rotating shaft 30.

The movement device further comprises a support barrel 80, the support barrel 80 is rotatably arranged on the frame body 10, the main shaft 40 is in driving connection with the support barrel 80, a swing door fixing portion is arranged on the side wall of the support barrel 80, and the swing door is fixed on the support barrel 80 through the swing door fixing portion. The supporting cylinder 80 can provide the whole strength of the device, and the swing door can be conveniently installed on the supporting cylinder 80. Specifically, a supporting cylinder bottom plate 82 is arranged at the bottom of the supporting cylinder 80, a spline 83 is arranged on the supporting cylinder bottom plate 82, a spline shaft is arranged on the main shaft 40, the spline shaft is inserted into the spline 83, and the main shaft 40 is matched with the spline 83 through the spline shaft to drive the supporting cylinder 80 to rotate.

Specifically, two swing door fixing plates 81 are arranged on the side wall of the support cylinder 80 at intervals along the circumferential direction, the swing door fixing plates 81 extend along the axial direction, and during installation, a swing door is placed between the two swing door fixing plates 81 and then fixed through a fastener.

Wherein, this core device still includes backup pad 90, goes up backup pad 90 and sets up on support body 10, and the one end and the main shaft 40 of a support section of thick bamboo 80 are connected, and the other end of a support section of thick bamboo 80 wears to establish on last backup pad 90, goes up and is provided with third bearing 63 between backup pad 90 and the support section of thick bamboo 80. The position of the support cylinder 80 on the frame body 10 can be stabilized by providing the upper support plate 90, so that the support cylinder 80 can rotate stably relative to the frame body 10.

Through the core device that this application provided, set up damping structure between pivot 30 and main shaft 40, can make pivot 30 and main shaft 40 phase separation relatively when guaranteeing pivot 30 and main shaft 40 transmission, destroy pivot 30 and motor 20 when so can effectively avoiding artificial impact swing door, guarantee motor 20's normal operating. By arranging the grooved pulley 71 and the thumb wheel 72, the rotation angle of the rotating shaft 30 can be accurately controlled, and the rotating shaft 30 is prevented from excessively rotating. The device has simple structure, convenient processing and disassembly and low manufacturing cost.

The application further provides a quick door opening device which comprises the movement device provided by the embodiment.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A movement device, characterized in that the movement device comprises:

a frame body (10);

the motor (20) is fixed on the frame body (10);

the motor (20) is in driving connection with the rotating shaft (30);

the main shaft (40), the main shaft (40) is used for being in driving connection with the swing door;

the damping structure is arranged between the rotating shaft (30) and the main shaft (40), the damping structure can provide friction force for the main shaft (40), the friction force is larger than the torque of the rotating shaft (30), and the rotating shaft (30) drives the main shaft (40) to rotate through the friction force.

2. The movement device according to claim 1, wherein the spindle (40) is sleeved on an end of the rotating shaft (30) far away from the motor (20), and an end surface of the spindle (40) close to the end of the motor (20) abuts against a shoulder of the rotating shaft (30), and the damping structure includes:

dish spring (51), dish spring (51) are located in main shaft (40), just dish spring (51) cover is established on pivot (30), dish spring (51) set up main shaft (40) with between pivot (30), dish spring (51) can to main shaft (40) provide frictional force.

3. The movement apparatus according to claim 2, wherein the damping structure further comprises:

the adjusting piece is positioned in the main shaft (40), the adjusting piece is arranged on the rotating shaft (30) in an axially movable mode, one end of the disc spring (51) is abutted to the adjusting piece, and the other end of the disc spring (51) is abutted to the main shaft (40).

4. Movement device according to claim 3, characterized in that the adjustment means comprise a nut (52), the nut (52) being screwed to the spindle (30).

5. Movement device according to claim 1, characterized in that it further comprises a first bearing (61) and a second bearing (62), said spindle (40) comprising:

the connecting plate (41) is sleeved on the rotating shaft (30), the first bearing (61) is arranged between the connecting plate (41) and the rotating shaft (30), and the damping structure is arranged between the connecting plate (41) and the rotating shaft (30);

the motor comprises a body (42), the body (42) is provided with a through hole, the body (42) is provided with a first end and a second end which are oppositely arranged, the body (42) is located on one side, far away from the motor (20), of the connecting plate (41), the first end of the body (42) is fixedly connected with the connecting plate (41), the rotating shaft (30) is arranged in the through hole in a penetrating mode, and the second end of the body (42) is provided with the second bearing (62) between the rotating shaft (30).

6. The movement apparatus according to claim 1, further comprising:

the limiting structure is arranged between the frame body (10) and the rotating shaft (30), and is used for limiting the rotating angle of the rotating shaft (30).

7. The movement apparatus according to claim 6, wherein the stopper structure includes:

the grooved wheel (71) is rotatably arranged on the frame body (10), and the grooved wheel (71) is provided with sliding grooves (711) and limiting grooves (712) which are arranged at intervals along the circumferential direction;

the thumb wheel (72) is fixedly arranged on the rotating shaft (30), the thumb wheel (72) is arranged corresponding to the grooved wheel (71), the thumb wheel (72) is provided with a thumb lever (721), the thumb lever (721) is provided with a rotating position located in the sliding groove (711) and a limiting position located in the limiting groove (712), the thumb wheel (72) can drive the grooved wheel (71) to rotate under the condition that the thumb lever (721) is located in the sliding groove (711), and the grooved wheel (71) can limit the thumb wheel (72) to continuously rotate under the condition that the thumb lever (721) is located in the limiting groove (712).

8. The movement apparatus according to claim 1, further comprising:

the support cylinder (80) is rotatably arranged on the frame body (10), the main shaft (40) is in driving connection with the support cylinder (80), the side wall of the support cylinder (80) is provided with a swing door fixing part, and the swing door is fixed on the support cylinder (80) through the swing door fixing part.

9. The movement apparatus according to claim 8, further comprising:

go up backup pad (90), set up on support body (10), the one end of a support section of thick bamboo (80) with main shaft (40) are connected, the other end of a support section of thick bamboo (80) is worn to establish go up on backup pad (90), go up backup pad (90) with be provided with third bearing (63) between a support section of thick bamboo (80).

10. A quick access door assembly, comprising a movement assembly as claimed in any one of claims 1 to 9.