CN218953013U

CN218953013U - Automatic spacing locking and automatic unlocking rotary mechanism

Info

Publication number: CN218953013U
Application number: CN202221527106.3U
Authority: CN
Inventors: 张文全; 赵振清; 姚占勇; 叶继超; 王弘跃; 刘阿晨
Original assignee: Anhui Tongpaite Robot Technology Co ltd
Current assignee: Anhui Tongpaite Robot Technology Co ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2023-05-02
Anticipated expiration: 2032-06-17

Abstract

The utility model relates to the technical field of rotating mechanisms, in particular to an automatic limiting locking and automatic unlocking rotating mechanism, which comprises a connecting sleeve, wherein a fixing flange used for installing and supporting the whole mechanism is fixedly arranged on the connecting sleeve, an output shaft is rotatably arranged on the fixing flange, a control mechanism used for switching the locking position of the output shaft is arranged on the output shaft, a driving piece used for realizing a rotating function is arranged on the connecting sleeve, the control mechanism comprises a sliding sleeve fixedly connected on the driving piece, a transmission pin is inserted on the output shaft, a transmission piece with two side edges is arranged on the sliding sleeve in a plugging manner, the side wall of the transmission piece is contacted with the transmission pin and used for driving the transmission pin and the output shaft to rotate by the transmission piece, two locking components used for locking the output shaft are arranged on the output shaft in a staggered manner and inserted into a locking notch in an elastic clamping manner, and unlocking tongues used for unlocking the output shaft are arranged on the locking components in a squeezing manner so that the locking components are separated from the locking notch, and the safety of equipment can be improved.

Description

Automatic spacing locking and automatic unlocking rotary mechanism

Technical Field

The utility model relates to the technical field of rotating mechanisms, in particular to an automatic limiting locking and automatic unlocking rotating mechanism.

Background

The rotary mechanism and the unlocking mechanism in the traditional locking rotary mechanism generally adopt a mode of separate driving, the structure is complex, the cost is high, the locking and unlocking problems are solved by adopting a motor with a band-type brake in an electromechanical control system, the rotary mechanism and the unlocking mechanism are still driven respectively basically, the structure is complex, the manufacturing cost is high, and when the rotary mechanism and the unlocking mechanism rotate to a designated position, the other mechanical mechanism is needed to be matched, so that the convenience of equipment use is reduced.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an automatic limiting locking and automatic unlocking rotary mechanism, which has the advantages of realizing locking and rotation by a single power source and solves the problem of locking and unlocking by a motor realized by a plurality of power sources.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides an automatic spacing locking and automatic rotary mechanism who unblocks, be equipped with the mounting flange that is used for whole mechanism to install and support on the adapter sleeve admittedly, rotationally install the output shaft on the mounting flange, be equipped with the control mechanism who is used for switching output shaft locking position on the output shaft, install the driving piece that is used for realizing the rotation function on the adapter sleeve, control mechanism includes the sliding sleeve of rigid coupling on the driving piece, and the output shaft peg graft has the driving pin, is equipped with the driving piece that has both sides edge on the sliding sleeve, and the driving piece lateral wall is used for driving piece and driving pin and output shaft rotation with the driving pin contact, is provided with two locking subassembly that are used for locking the output shaft in the locking breach through the crisscross locking subassembly that inserts of elasticity joint mode on the output shaft, and the sliding sleeve rigid coupling has the unblock tongue that is used for the extrusion mode to make locking subassembly break away from the locking breach realization to output shaft unblock.

Preferably, the locking assembly comprises two locking pin holes formed in the output shaft, a locking pin is slidably connected in each locking pin hole, a spring hole is formed in one side, close to the output shaft, of each locking pin, and a spring is fixedly connected between each spring hole and the inner wall of each locking pin.

Preferably, the unlocking bolts and the locking notches are distributed in a staggered mode, and the locking notches are arc notches matched with the locking pins in shape.

Preferably, the transmission piece is a slideway which is arranged on the side wall of the sliding sleeve and is matched with the transmission pin in shape, and the transmission pin is inserted into the transmission piece and is in sliding connection with the inner wall of the transmission piece.

Preferably, the driving member is a motor for controlling the sliding sleeve to rotate positively and negatively.

Preferably, the output shaft is rotatably arranged on the fixed flange through a bearing, and the sliding sleeve is sleeved on the output shaft.

Preferably, the included angle of the axes of the two locking pin holes is equal to the included angle of the two locking positions.

Preferably, the sliding path travel of the transmission piece is equal to the included angle between the two locking positions.

By means of the technical scheme, the utility model provides the rotating mechanism with the functions of automatic limiting locking and automatic unlocking, which has the following beneficial effects:

1. the sliding sleeve is driven to rotate by the driving piece, the two side walls of the driving piece on the sliding sleeve are in staggered contact with the driving pin, forward and reverse rotation of the output shaft is achieved, the locking assembly is used for being clamped with the locking notch, when the sliding sleeve rotates to a designated position, the locking function can be achieved, the use safety of equipment can be improved, the shifting condition can not occur, the locking assembly is extruded to be separated from the locking notch by rotating the unlocking bolt through the rotating sliding sleeve, unlocking of the output shaft is achieved, the sliding sleeve is rotated continuously, the output shaft moves to the next locking position under the driving of the sliding sleeve, switching of the other locking position is achieved, then locking can be achieved at two positions, free switching between the two locking positions can be achieved through the forward and reverse rotation of the sliding sleeve, the convenience of the structure can be improved, and the manufacturing cost of the device can be reduced by utilizing a single power source.

2. Through the design of slide and driving pin, the driving pin slides in the slide before the unblock, and the motion of sliding sleeve is not influenced by the output shaft by the locking, and the driving pin compresses tightly the slide tip after the unblock, and the sliding sleeve drives the output shaft and rotates, simple structure, be convenient for installation, use, maintenance, with low costs.

3. The rotation, locking and unlocking actions of the rotating mechanism can be realized by only one motor capable of rotating positively and negatively without additional control means, and the driving assembly can be replaced by other rotating power devices so as to adapt to different application scenes.

4. The motor does not need to be accurately controlled, can be controlled in a positive and negative rotation mode, does not need to adopt a precise control element, and further reduces manufacturing cost.

5. The motor is not stressed after locking and can be unlocked only by reversely rotating a certain angle, the locking is reliable, the band-type brake is not required to be added, and the safety is high.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a control mechanism according to the present utility model;

FIG. 3 is a schematic view of a locking assembly according to the present utility model;

FIG. 4 is a schematic view of the present utility slideway and drive pin;

FIG. 5 is a schematic diagram of an unlocked state of the present utility model;

FIG. 6 is a cross-sectional view of the utility model in an unlocked state;

FIG. 7 is a cross-sectional view of the present utility model in a locked state;

fig. 8 is a schematic view of the locking state of the present utility model.

Reference numerals:

101. connecting sleeves; 102. a driving member; 103. a fixed flange; 104. an output shaft;

200. a control mechanism; 201. a sliding sleeve; 202. a transmission member; 203. unlocking the lock tongue; 204. a drive pin; 205. a locking assembly; 2051. a spring; 2052. a spring hole; 2053. a locking pin; 206. locking notch.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The following describes a rotation mechanism for automatic limit locking and automatic unlocking according to some embodiments of the present utility model with reference to the accompanying drawings.

Embodiment one:

referring to fig. 1-8, the utility model provides an automatic limiting locking and automatic unlocking rotary mechanism, a fixing flange 103 for installing and supporting the whole mechanism is fixedly arranged on a connecting sleeve 101, an output shaft 104 is rotatably arranged on the fixing flange 103, a control mechanism 200 for switching the locking position of the output shaft 104 is arranged on the output shaft 104, a driving piece 102 for realizing the rotation function is arranged on the connecting sleeve 101, the control mechanism 200 comprises a sliding sleeve 201 fixedly connected on the driving piece 102, a driving pin 204 is inserted on the output shaft 104, a driving piece 202 with two side edges is arranged on the sliding sleeve 201, the side wall of the driving piece 202 is contacted with the driving pin 204 for the driving piece 202 to drive the driving pin 204 and the output shaft 104 to rotate, two locking components 205 which are inserted into a locking notch 206 in a staggered manner through elastic clamping are arranged on the output shaft 104, the sliding sleeve 201 is fixedly connected with an unlocking tongue 203 which is used for enabling the locking assembly 205 to be separated from the locking notch 206 in an extrusion mode to unlock the output shaft 104, the sliding sleeve 201 rotates synchronously along with the shaft of the driving piece 102, the input hole of the driving piece 102 is set to be a D-shaped interface, keyways or other types can be selected according to the condition of the end part of the driving piece 102, before the transmission pin 204 contacts with the two ends of the transmission piece 202, the sliding sleeve 201 rotates but the output shaft 104 does not rotate, when the transmission pin 204 is tightly pressed with the two ends of the transmission piece 202, the sliding sleeve 201 drives the output shaft 104 to rotate, the included angle between the axes of the two locking assemblies 205 is the movement included angle of the rotating mechanism, the included angle is equal to the span of the transmission piece 202, the width of the unlocking tongue 203 is designed so that at most one locking pin 2053 can be unlocked by the unlocking tongue 203 at the same moment, the contact surface between the unlocking tongue 203 and the locking pin 2053 can be tangent with the inner hole of the sliding sleeve 201, a small number of circular arcs can be reserved in the inner hole of the sliding sleeve 201.

Specifically, the locking assembly 205 includes two locking pin holes formed on the output shaft 104, a locking pin 2053 is slidably connected in the locking pin holes, a spring hole 2052 is formed on one side, close to the output shaft 104, of the locking pin 2053, a spring 2051 is fixedly connected between the spring hole 2052 and the inner wall of the locking pin 2053, only one locking notch is formed in the fixing flange 103, only one locking pin 2053 is in an ejecting state in the locking state, and both the two locking pins 2053 are pressed into the locking pin holes on the output shaft 104 in the unlocking or moving process.

Further, the unlocking tongues 203 and the locking notches 206 are distributed in a staggered manner, the locking notches 206 are arc notches matched with the shape of the locking pins 2053, the locking notches 206 on the fixing flange 103 just cover half of the locking pins 2053, and when the locking pins 2053 are inserted into the locking notches 206, the output shaft 104 can be locked.

According to the embodiment, when the driving member 102 moves counterclockwise, the sliding sleeve 201 is driven to move to the position shown in fig. 6, so as to complete unlocking; when the sliding sleeve 201 continues to move, the side wall of the transmission piece 202 compresses the transmission pin 204 to drive the output shaft 104 to rotate, and when the transmission shaft rotates to the position shown in fig. 7, the other locking pin 2053 pops up under the force of the spring 2051 and is clamped in the locking notch 206 on the fixed flange 103, so that the locking limit is realized. The clockwise unlocking and locking are opposite to the anticlockwise.

Embodiment two:

referring to fig. 1 and 4, on the basis of the first embodiment, the driving member 202 is a slide way formed on the side wall of the sliding sleeve 201 and matched with the shape of the driving pin 204, the driving pin 204 is inserted into the driving member 202 and slidably connected with the inner wall of the driving member 202, and the principle of the relative positions of the driving pin hole, the slide way and the unlocking tongue 203 is that the unlocking tongue 203 is in the unlocking position when the driving pin 204 is pressed against the two side walls of the slide way. The drive pin hole and the slide way can also be used for axial limit between the drive pin 204 and the output shaft 104, so that the unlocking tongue 203 can not cover the locking pin 2053 due to displacement of the sliding sleeve 201.

Specifically, the driving member 102 is a motor for controlling the sliding sleeve 201 to rotate forward and backward, and the motor can be replaced by a hydraulic motor and a rotary cylinder, so that the replaceability is strong, and the power source can be more conveniently driven according to the requirement.

Further, the output shaft 104 is rotatably mounted on the fixed flange 103 through a bearing, and the sliding sleeve 201 is sleeved on the output shaft 104.

As can be seen from the above examples: when the driving piece 102 starts to drive the sliding sleeve 201 to rotate, when a slide way on the sliding sleeve 201 is in contact with the transmission pin 204, the transmission pin 204 is pushed to enable the output shaft 104 to rotate, the two locking pins 2053 rotate along with the output shaft 104, when a single locking pin 2053 is located on the same plane with the locking notch 206, the spring 2051 pushes the locking pin 2053 to enable the end portion of the locking pin 2053 to be inserted into the locking notch 206, locking of the output shaft 104 is achieved, when unlocking is needed, the driving piece 102 drives the sliding sleeve 201 to rotate reversely, the unlocking tongue 203 rotates along with the sliding sleeve 201, the unlocking tongue 203 presses the locking pin 2053 to move into a locking pin hole when being in contact with the locking pin 2053, the locking pin 2053 is separated from the locking notch 206, unlocking of the output shaft 104 is achieved, then the driving piece 102 continues to drive the sliding sleeve 201 to rotate reversely, when the other side wall of the transmission piece 202 is in contact with the transmission pin 204, the locking assembly 205 can be driven to rotate reversely along with the output shaft 104, when the other locking pin 2053 is located on the same plane with the locking notch 206, the spring 2051 pushes the locking pin 2053 to enable the other locking pin 2053 to be inserted into the locking notch 206, and the locking end portion of the other locking pin 206 can be locked again switched to the locking position, so that the locking position of the other locking pin is achieved.

It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic spacing locking and automatic rotary mechanism who unlocks, includes adapter sleeve (101), its characterized in that: a fixed flange (103) for installing and supporting the whole mechanism is fixedly arranged on the connecting sleeve (101), an output shaft (104) is rotatably arranged on the fixed flange (103), a control mechanism (200) for switching the locking position of the output shaft (104) is arranged on the output shaft (104), and a driving piece (102) for realizing the rotation function is arranged on the connecting sleeve (101);

the control mechanism (200) comprises a sliding sleeve (201) fixedly connected to the driving piece (102), a transmission pin (204) is inserted into the output shaft (104), a transmission piece (202) with two side edges is arranged on the sliding sleeve (201), the side wall of the transmission piece (202) is in contact with the transmission pin (204) and used for driving the transmission pin (204) and the output shaft (104) to rotate, two locking assemblies (205) which are inserted into the locking notch (206) in a staggered manner through elastic clamping are arranged on the output shaft (104), and unlocking tongues (203) which are used for enabling the locking assemblies (205) to be separated from the locking notch (206) in an extrusion manner are fixedly connected to the sliding sleeve (201).

2. The automatic limit locking and automatic unlocking rotary mechanism according to claim 1, wherein: the locking assembly (205) comprises two locking pin holes formed in the output shaft (104), a locking pin (2053) is slidably connected in each locking pin hole, a spring hole (2052) is formed in one side, close to the output shaft (104), of each locking pin (2053), and a spring (2051) is fixedly connected between each spring hole (2052) and the inner wall of each locking pin (2053).

3. The automatic limit locking and automatic unlocking rotary mechanism according to claim 2, wherein: the unlocking tongues (203) and the locking notches (206) are distributed in a staggered mode, and the locking notches (206) are arc notches matched with the locking pins (2053) in shape.

4. The automatic limit locking and automatic unlocking rotary mechanism according to claim 1, wherein: the transmission piece (202) is a slideway which is arranged on the side wall of the sliding sleeve (201) and is matched with the transmission pin (204) in shape, and the transmission pin (204) is inserted into the transmission piece (202) and is connected with the inner wall of the transmission piece (202) in a sliding way.

5. The automatic limit locking and automatic unlocking rotary mechanism according to claim 1, wherein: the driving piece (102) is a motor for controlling the sliding sleeve (201) to rotate positively and negatively.

6. The automatic limit locking and automatic unlocking rotary mechanism according to claim 1, wherein: the output shaft (104) is rotatably mounted on the fixed flange (103) through a bearing, and the sliding sleeve (201) is sleeved on the output shaft (104).

7. The automatic limit locking and automatic unlocking rotary mechanism according to claim 2, wherein: the included angle of the axes of the two locking pin holes is equal to the included angle of the two locking positions.

8. The automatic limit locking and automatic unlocking rotary mechanism according to claim 4, wherein: the slideway travel of the transmission piece (202) is equal to the included angle of the two locking positions.