CN211115298U - One-way locking mechanism for door opening and closing device - Google Patents
One-way locking mechanism for door opening and closing device Download PDFInfo
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- CN211115298U CN211115298U CN201921630366.1U CN201921630366U CN211115298U CN 211115298 U CN211115298 U CN 211115298U CN 201921630366 U CN201921630366 U CN 201921630366U CN 211115298 U CN211115298 U CN 211115298U
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Abstract
The utility model discloses a one-way locking mechanism for a door opening and closing device, which comprises a one-way locking part arranged on a moving part and a first blocking part arranged corresponding to the one-way locking part; the one-way locking part is provided with a one-way fixing unit, a second blocking piece arranged on the moving piece in a rotating mode and a resetting component connected with the second blocking piece, and the resetting component is provided with an elastic structure for keeping the second blocking piece in contact with the first blocking piece when the second blocking piece passes through the first blocking piece; the unidirectional fixing unit is arranged on the moving piece, is positioned on one side of the second blocking piece and has a structure which can be abutted against the end part of the second blocking piece far away from the rotation center of the second blocking piece when the second blocking piece is in contact with the first blocking piece; the utility model discloses a first piece is stopped and is stopped the piece to cooperate with the second and make the moving member only can remove one section in a direction, and the removal in the direction relative with this direction does not have the restriction.
Description
Technical Field
The utility model belongs to the technical field of fire-proof equipment and specifically relates to an one-way locking mechanism for switching door gear.
Background
The fireproof door is a door which can meet the requirements of fire resistance stability, integrity and heat insulation within a certain time, has the functions of preventing fire spreading and smoke diffusion besides the functions of a common door, and can prevent the fire spreading within a certain time to ensure the evacuation of people; fire doors are generally classified into normally closed fire doors and normally open fire doors.
The mechanical door closer is mainly directly connected with the door plate of the fireproof door through a crank arm or a connecting rod mechanism, when the mechanical door closer is adopted, a person manually opens the fireproof door when passing through the fireproof door, and the mechanical door closer is automatically closed through the rear door leaf, so that the problems of poor ventilation and lighting and inconvenience in passing can be caused, and the mechanical door closer cannot automatically control the opening and closing of the fireproof door; by adopting the ordinary electric control door opening and closing device, a person cannot manually open the door in the electric door closing process, and in the door opening state, if a fire disaster occurs, the electric control door opening and closing device cannot automatically close a fireproof door under the condition that a fire fighting system cuts off a power supply, and the person cannot manually open the door or the door opening resistance is large, so that a method capable of solving the problems needs to be found.
SUMMERY OF THE UTILITY MODEL
In view of the above, at least one of the above drawbacks in the prior art needs to be overcome, and the present invention provides a one-way locking mechanism for a door opening and closing device, including a one-way locking portion for being disposed on a moving member and a first blocking member disposed corresponding to the one-way locking portion; the one-way locking part is provided with a one-way fixing unit, a second blocking piece arranged on the moving piece in a rotating mode and a resetting component connected with the second blocking piece, the resetting component is arranged on the moving piece and is provided with an elastic structure which keeps the second blocking piece in an upright state and enables the end part of the second blocking piece to be in contact with the first blocking piece when the second blocking piece passes through the first blocking piece; the one-way fixing unit is used for being installed on the moving piece, is positioned on one side of the second blocking piece, and has a structure which is abutted against the end part of the second blocking piece far away from the rotation center of the second blocking piece, and the first blocking piece and the one-way locking part are correspondingly arranged, namely the first blocking piece is arranged at a preset position, so that when the one-way locking part passes through the preset position, the second blocking piece is contacted with the first blocking piece and is pushed by the first blocking piece to form a one-way overturning or blocked state; the preset position is a position preset on the moving track of the moving part, and the moving part can only pass in one direction when moving to the preset position.
According to the prior art in the background of the patent, when the existing mechanical door closer is adopted, the problems of poor ventilation and lighting and inconvenient passing can be caused, and the opening and closing of the fireproof door can not be automatically controlled; the common electric control door opening and closing device is adopted, and under any condition, a person cannot open the door manually or the door opening resistance is large; the utility model discloses a one-way locking mechanism for door opening and closing device, reset component keep the second to stop in the upright state, when one-way locking portion moves to predetermined position along with the moving member and makes the second stop contact with the first stop, the tip that the second stop keeps away from its center of rotation is supported by one-way fixed unit, for example the rear side of the lower tip of second stop or the front side of upper end are supported by one-way fixed unit, the upper end of second stop just can not anticlockwise rotate, can only clockwise rotate, thus when passing through predetermined position backward, the second stop is stopped by first stop and can not continue to move backward, but when passing through predetermined position forward, the second stop is pushed clockwise by first stop and rotates and staggers with first stop, thus can continue to advance; similarly, when the front side of the lower end part or the rear side of the upper end part of the second blocking part is abutted by the unidirectional fixing unit, the second blocking part cannot pass through a preset position forwards and only passes through the first blocking part when the second blocking part moves backwards and contacts the first blocking part, and after the moving part passes through the preset position, the second blocking part is reset under the elastic action of the resetting mechanism.
The moving piece can be a linear driving mechanism used for pushing the door to open or close, the moving piece is arranged on a track extending in a direction perpendicular to the door panel in a sliding mode, the unidirectional locking mechanism is arranged on the moving piece to enable the moving piece to only pass through a preset position forwards but not backwards, when the moving piece opens the door, the moving piece is pushed by the reaction force of the door to move backwards to the preset position, at the moment, the moving piece is locked by the first blocking piece and cannot move backwards continuously, and the moving piece continues to push the door to enable the door to open; when the door is in the closed state, the moving member can move forward no matter the second blocking member is in front of the first blocking member or behind the first blocking member, that is, in any case, a person can open the door manually.
In addition, according to the utility model discloses an one-way locking mechanism for switching door gear still has following additional technical characteristics:
further, the end of the second blocking member has an inclined structure.
Further, the one-way fixing unit is used for abutting against the rear side of the lower end part or the front side of the upper end part of the second barrier; a first stopper located on a lower side of a rotation center of the second stopper, a lower end portion of the second stopper, which is away from the rotation center thereof, being in contact with the first stopper when passing through the predetermined position; the front side of the lower end part of the second blocking part is provided with a downward inclined structure, or the first blocking part is positioned on the upper side of the rotation center of the second blocking part, and the upper end part of the second blocking part far away from the rotation center of the second blocking part is contacted with the first blocking part when the second blocking part passes through the preset position; the front side of the upper end portion of the second blocking member has an obliquely upward structure.
At this time, the one-way locking mechanism is used for enabling the moving member to only advance and not to retreat. The front side of the lower end part of the second blocking part is arranged to be of a downward inclined structure, so that when the second blocking part passes through the first blocking part from the rear end of the first blocking part, the mutual pushing force between the second blocking part and the first blocking part is reduced, the door plate can be opened more easily, and the service lives of the first blocking part and the second blocking part are prolonged; similarly, the front side of the upper end portion where the second blocking member is provided has an obliquely upward structure to reduce the mutual urging force between the second blocking member and the first blocking member, so that the door panel can be opened more easily, and the life of the first blocking member and the second blocking member is extended.
Further, the one-way fixing unit is used for abutting against the front side of the lower end part or the rear side of the upper end part of the second barrier; a first stopper located on a lower side of a rotation center of the second stopper, the second stopper contacting the first stopper at a lower end portion thereof away from the rotation center thereof when passing through the first stopper; the rear side of the lower end part of the second blocking part is provided with a downward inclined structure, or the first blocking part is positioned on the upper side of the rotation center of the second blocking part, and the upper end part of the second blocking part, far away from the rotation center of the second blocking part, is contacted with the first blocking part when the second blocking part passes through the first blocking part; the rear side of the upper end portion of the second blocking member has an obliquely upward structure.
At this time, the one-way locking mechanism is used for enabling the moving piece to retreat only and not to advance.
Furthermore, the one-way fixing unit comprises a magnetic assembly and an iron block assembly which is used for being rotatably installed on the moving member, the magnetic assembly and the iron block assembly are correspondingly arranged, and the one-way fixing unit is provided with a magnetic structure which can attract the iron block assembly to enable the iron block assembly and the second blocking piece to be abutted to the end portion, far away from the rotating center of the second blocking piece, of the iron block assembly.
Furthermore, the iron block assembly is arranged on the front side of the magnetic assembly and is abutted against the front side of the second blocking piece; or the iron block assembly is arranged on the rear side of the magnetic assembly and is abutted against the rear side of the second barrier.
Further, the iron block assembly is provided with an iron block mounting seat used for being fixedly mounted on the moving piece and an iron block mounted on the iron block mounting seat.
Furthermore, the one-way locking mechanism further comprises a rotating shaft assembly, wherein the rotating shaft assembly comprises a rotating shaft mounting seat fixedly mounted on the moving piece and a rotating shaft mounted on the rotating shaft mounting seat; the iron block assembly and the second blocking piece are respectively rotatably installed on the rotating shaft.
Furthermore, the iron block mounting seat is provided with an iron block mounting plate and two rotating shaft mounting plates which are respectively vertically arranged on the iron block mounting plate and positioned on two sides of the iron block, the iron block is mounted on the iron block mounting plate, rotating shaft mounting holes are formed in the rotating shaft mounting plates, and the rotating shaft is mounted on the rotating shaft mounting holes; one-way locking portion has two the second stops, two the second stops rotate to be installed in the pivot and be located respectively the both sides of pivot mounting panel, iron plate mounting panel both sides still are formed with respectively to the both sides extension of this iron plate mounting panel and be used for with the second stops keep away from the extension structure of the tip looks butt in pivot axle center.
Further, the upper end of the extension structure is lower than the lower end of the rotating shaft mounting plate or the lower end of the extension structure is higher than the upper end of the rotating shaft mounting plate.
Furthermore, the rotating shaft is fixedly provided with a limiting ring for limiting the position of the rotating shaft mounting plate and the position of the second blocking piece on the rotating shaft.
Furthermore, the magnetic assembly is an electromagnet assembly and has a structure which attracts the iron block assembly after being electrified.
Furthermore, after the electromagnet assembly is electrified, the iron block assembly is attracted to overturn around the rotating shaft until the iron block abuts against the electromagnet assembly, and meanwhile, the extending structure abuts against the end part of the second blocking piece.
For example, the moving member pushes or pulls the fire door to open or close, the unidirectional locking mechanism is arranged on the moving member to enable the moving member to only pass through the preset position forwards but not pass through the preset position backwards, under the condition that the fire protection system is powered off and the fire door is not closed yet, the state of the moving member in power failure cannot be changed, if the moving member cannot move backwards, the fire door is in the current state and cannot be closed, the electromagnet assembly is adopted, after the electromagnet assembly is powered off, the electromagnet assembly is not attracted by the electromagnet assembly and cannot abut against the second blocking member, therefore, when the fire door moves backwards and passes through the preset position, the second blocking member is pushed by the first blocking member to turn over and is staggered with the first blocking member so as to pass through the preset position, therefore, the resistance of closing the door is small at this time, and.
Still further, the electromagnet assembly has an electromagnet mounting plate for being fixedly mounted on the moving member and an electromagnet mounted on one side of the electromagnet mounting plate.
Still further, the return member is a torsion spring.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of a one-way locking mechanism for opening and closing a door device according to the present invention;
fig. 2 is a schematic structural diagram of the iron block mounting seat provided by the present invention.
Wherein, 1 is the moving member, 2 is one-way locking portion, 3 is first blockking, 4 is one-way fixed unit, 5 is the second blockking, 6 is reset component, 7 is magnetic component, 8 is the iron plate subassembly, 9 is the iron plate mount pad, 10 is the iron plate, 11 is the pivot, 12 is the spacing ring, 13 is the electro-magnet mounting panel, 14 is the electro-magnet.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout; the embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "lateral", "vertical", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The idea of the present invention is that when the unidirectional locking portion moves along with the moving member to make the second blocking member contact with the first blocking member, the end of the second blocking member away from the rotation center thereof is supported by the unidirectional fixing unit, for example, the rear side of the lower end portion or the front side of the upper end portion of the second blocking member is supported by the unidirectional fixing unit, and the upper end of the second blocking member cannot rotate counterclockwise but can rotate clockwise, and thus cannot pass through the predetermined position backwards, but can pass through the predetermined position forwards; similarly, when the front side of the lower end portion or the rear side of the upper end portion of the second blocking member is engaged by the unidirectional fixing unit, it cannot pass through the predetermined position forward but can pass through the first blocking member when moving backward to contact the first blocking member.
Fig. 1 is a schematic structural view of a one-way locking mechanism for opening and closing a door device according to the present invention; fig. 2 is a schematic structural diagram of the iron block mounting seat provided by the present invention.
As shown in fig. 1, according to an embodiment of the present invention, a one-way locking mechanism for opening and closing a door device includes a one-way locking portion 2 provided on a moving member 1 and a first blocking member 3 provided corresponding to the one-way locking portion 2; the one-way locking part 2 is provided with a one-way fixing unit 4, a second blocking piece 5 arranged on the moving piece 1 in a rotating way and a resetting component 6 connected with the second blocking piece 5, wherein the resetting component 6 is arranged on the moving piece 1 and is provided with an elastic structure which can keep the second blocking piece 5 in an upright state and ensure that the end part of the second blocking piece 5 is contacted with the first blocking piece 3 when the second blocking piece 5 passes through the first blocking piece 3; the one-way fixing unit 4 is mounted on the moving member 1, is positioned on one side of the second blocking member 5, and has a structure abutting against the end part of the second blocking member 5 far away from the rotation center of the second blocking member, and the arrangement of the first blocking member 3 corresponding to the one-way locking part 2 means that when the first blocking member 3 is arranged at a preset position so that the one-way locking part 2 passes through the preset position, the second blocking member 5 is in contact with the first blocking member 3 and is pushed by the first blocking member 3 to form a one-way overturning or blocked state; the preset position is that the moving member 1 can only pass in one direction when moving to the preset position at the preset position on the moving track of the moving member 1.
According to the prior art in the background of the patent, when the existing mechanical door closer is adopted, the problems of poor ventilation and lighting and inconvenient passing can be caused, and the opening and closing of the fireproof door can not be automatically controlled; the common electric control door opening and closing device is adopted, and under any condition, a person cannot open the door manually or the door opening resistance is large; in the unidirectional locking mechanism for the door opening and closing device of the present invention, the reset member 6 keeps the second blocking member 5 in the upright state, when the unidirectional locking portion 2 moves to the predetermined position along with the moving member 1 and the second blocking member 5 contacts with the first blocking member 3, the end of the second blocking member 5 away from the rotation center thereof is supported by the unidirectional fixing unit 4, for example, the rear side of the lower end portion or the front side of the upper end portion of the second blocking member 5 is supported by the unidirectional fixing unit 4, the upper end of the second blocking member 5 cannot rotate counterclockwise but can rotate clockwise, so that when passing through the predetermined position backward, the second blocking member 5 is blocked by the first blocking member 3 and cannot move backward, but when passing through the predetermined position forward, the second blocking member 5 is pushed by the first blocking member 3 to rotate clockwise and stagger from the first blocking member 3, thereby enabling continued advancement; similarly, when the front side of the lower end portion or the rear side of the upper end portion of the second blocking member 5 is abutted by the unidirectional fixing unit 4, the second blocking member 5 cannot pass through the predetermined position forward but passes through the first blocking member 3 when moving backward and contacting the first blocking member 3, and after the moving member 1 passes through the predetermined position, the second blocking member 5 is reset by the elastic action of the reset mechanism 6.
The moving member 1 can be a linear driving mechanism for pushing the door to open or close, the moving member 1 is arranged on a track extending in a direction perpendicular to the door panel in a sliding manner, the unidirectional locking mechanism is arranged on the moving member 1, so that the moving member 1 can only pass through a preset position forwards but can not pass through the preset position backwards, when the moving member 1 opens the door, the moving member 1 is pushed by the reaction force of the door to move backwards to the preset position, at the moment, the moving member 1 is locked by the first blocking piece 3 and can not move backwards continuously, and the moving member 1 continuously pushes the door to open the door; when the door is in the closed state, the moving member 1 can move forward whether the second blocking member 5 is in front of the first blocking member 3 or behind the first blocking member 3, that is, in any case, a person can open the door manually.
In addition, according to the utility model discloses an one-way locking mechanism for switching door gear still has following additional technical characteristics:
according to some embodiments of the present invention, the end of the second blocking member 5 has an inclined structure, as shown in fig. 1.
According to some embodiments of the present invention, the unidirectional fixation unit 4 is intended to abut against the rear side of the lower end portion or the front side of the upper end portion of the second obstacle 5; the first blocking member 3 is positioned at the lower side of the rotation center of the second blocking member 5, and the lower end part of the second blocking member 5 away from the rotation center thereof when the second blocking member 5 passes through the predetermined position is in contact with the first blocking member 3; the front side of the lower end part of the second blocking member 5 has a downward inclined structure, or the first blocking member 3 is positioned on the upper side of the rotation center of the second blocking member 5, and the upper end part of the second blocking member 5 far away from the rotation center thereof is contacted with the first blocking member 3 when the second blocking member 5 passes through the preset position; the front side of the upper end portion of the second blocking member 5 has an obliquely upward structure.
At this time, the one-way locking mechanism is used for enabling the moving member 1 to only advance and not to retreat. By arranging the front side of the lower end part of the second blocking piece 5 to be in a downward inclined structure, when the second blocking piece 5 passes through the first blocking piece from the rear end of the first blocking piece, the mutual pushing force between the second blocking piece and the first blocking piece 3 is reduced, so that the door panel can be opened more easily, and the service lives of the first blocking piece 3 and the second blocking piece 5 are prolonged; similarly, the front side of the upper end portion where the second blocking member 5 is provided has an obliquely upward structure to reduce the mutual urging force between the second blocking member 5 and the first blocking member 3, so that the door panel can be opened more easily, and the life of the first blocking member 3 and the second blocking member 5 is extended.
According to some embodiments of the present invention, said unidirectional fixation unit 4 is intended to abut against the front side of the lower end portion or against the rear side of the upper end portion of said second obstacle 5; the first blocking member 3 is positioned at the lower side of the rotation center of the second blocking member 5, and the lower end part of the second blocking member 5 far from the rotation center thereof when the second blocking member 5 passes through the first blocking member 3 is in contact with the first blocking member 3; the rear side of the lower end of the second blocking member 5 has a downward inclined structure, or the first blocking member 3 is located on the upper side of the rotation center of the second blocking member 5, and the upper end of the second blocking member 5 away from the rotation center thereof when passing through the first blocking member 3 contacts with the first blocking member 3; the rear side of the upper end of the second blocking member 5 has an obliquely upward structure.
At this time, the one-way locking mechanism is used for enabling the moving member 1 to retreat only and not to advance.
According to the utility model discloses a some embodiments, one-way fixed unit 4 includes magnetic component 7 and is used for rotating to install iron plate subassembly 8 on moving member 1, magnetic component 7 with iron plate subassembly 8 corresponds the setting, has and to attract iron plate subassembly 8 make this iron plate subassembly 8 with the second stops 5 and keeps away from the magnetic structure of its rotation center's tip looks butt.
According to some embodiments of the present invention, the iron block assembly 8 is disposed at the front side of the magnetic assembly 7, and the iron block assembly 8 abuts against the front side of the second blocking member 5; alternatively, the iron block assembly 8 is disposed at the rear side of the magnetic assembly 7, and the iron block assembly 8 abuts against the rear side of the second barrier 5.
According to some embodiments of the present invention, the iron block assembly 8 has an iron block mounting seat 9 for fixed mounting on the moving member 1 and an iron block 10 mounted on the iron block mounting seat 9.
According to some embodiments of the present invention, the one-way locking mechanism further comprises a rotating shaft assembly, the rotating shaft assembly comprises a rotating shaft mounting seat for being fixedly mounted on the moving member 1 and a rotating shaft 11 mounted on the rotating shaft mounting seat; the iron block assembly 8 and the second blocking piece 5 are respectively rotatably arranged on the rotating shaft 11.
According to some embodiments of the present invention, the iron block mounting seat 9 has an iron block mounting plate and two rotating shaft mounting plates vertically disposed on the iron block mounting plate and located at both sides of the iron block, respectively, the iron block 10 is mounted on the iron block mounting plate, the rotating shaft mounting plate is provided with a rotating shaft mounting hole, and the rotating shaft 11 is mounted on the rotating shaft mounting hole; the one-way locking part 2 is provided with two second blocking pieces 5 and two resetting components 6, the two second blocking pieces 5 are rotatably arranged on the rotating shaft 11 and are respectively positioned at two sides of the rotating shaft mounting plate, and extending structures which extend towards two sides of the iron block mounting plate and are used for abutting against the end parts of the second blocking pieces 5 far away from the axis of the rotating shaft are respectively formed at two sides of the iron block mounting plate; two of the reset members 6 are respectively connected to two of the second stops 5, as shown in fig. 2.
According to some embodiments of the invention, the upper end of the extension structure is lower than the lower end of the shaft mounting plate or the lower end of the extension structure is higher than the upper end of the shaft mounting plate. According to some embodiments of the present invention, a limiting ring 12 for limiting the position of the shaft mounting plate and the second blocking member 5 on the shaft 11 is further fixedly mounted on the shaft 11, as shown in fig. 1.
According to some embodiments of the present invention, the magnetic component 7 is an electromagnet component, and has a structure that attracts the iron block component after being energized.
According to some embodiments of the utility model, attract behind the electro-magnet subassembly circular telegram iron plate subassembly 8 winds pivot 11 upset is in the same time with this electro-magnet subassembly looks butt iron plate 10 extend the structure with the second stops 5's tip looks butt.
For example, the fire door is pushed or pulled to open or close by the moving member 1, the unidirectional locking mechanism is arranged on the moving member 1, so that the moving member 1 can only pass through a preset position forwards but can not pass through the preset position backwards, under the condition that a fire protection system is powered off and the fire door is not closed yet, the state of the moving member 1 in the power-off state can not be changed, if the moving member 1 can not move backwards, the fire door can not be closed in the current state, the electromagnet assembly is adopted, after the electromagnet assembly is powered off, the electromagnet assembly 8 can not be attracted by the electromagnet assembly and can not abut against the second blocking member 5, therefore, when the moving member moves backwards to pass through the preset position, the second blocking member 5 is pushed by the first blocking member 3 to turn over and stagger with the first blocking member 3, and therefore, the resistance of closing the door in the time is.
According to some embodiments of the present invention, the electromagnet assembly has an electromagnet mounting plate 13 for fixed mounting on the moving member 1 and an electromagnet 14 mounted on one side of the electromagnet mounting plate 13.
According to an embodiment of the present invention, the return member is a torsion spring, as shown in fig. 1.
According to an embodiment of the present invention, in order to make the moving member move forward only and not move backward, the first blocking member 3 is disposed across a cross beam on a moving track of the moving member 1, the second blocking member 5 is a blocking piece, the rotating shaft mounting plate and two blocking pieces are respectively installed on the moving member 1 by rotating the same rotating shaft 11, and lower ends of the two blocking pieces are respectively located at front sides of the two extending structures, an upper end of the extending structure is lower than a lower end of the rotating shaft mounting hole, and the iron block 25 is installed at front side of the iron block mounting plate; the electromagnet assembly is fixedly arranged on the moving piece 1 and positioned on the front side of the iron block assembly 8, and the electromagnet 14 is arranged on the rear side of the electromagnet mounting plate 13; after the electromagnet assembly is electrified, the iron block assembly 8 is attracted to overturn to abut against the electromagnet 14 by taking the rotating shaft as a circle center, meanwhile, the front sides of the two extending structures respectively abut against the rear sides of the lower end parts of the two blocking pieces, and at the moment, the upper end parts of the blocking pieces are higher than the lower end surface of the horizontal part of the cross beam (namely, the middle part of the cross beam shown in fig. 1); the heights of the one-way fixing units 4 are all lower than the height of the lower end face of the horizontal part of the cross beam; the two reset members 6 are respectively installed at two ends of the rotating shaft, one end of each reset member 6 is connected with the corresponding blocking piece, and the other end of each reset member 6 is abutted against the rear side of the moving piece, as shown in fig. 1.
Any reference to "one embodiment," "an embodiment," "example embodiment," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the invention; the schematic representations in various places in the specification do not necessarily refer to the same embodiment; further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the purview of one skilled in the art to effect such feature, structure, or characteristic in connection with other ones of the embodiments.
While the invention has been described in detail with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention; in particular, reasonable variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the foregoing disclosure, the drawings and the appended claims without departing from the spirit of the invention; except variations and modifications in the component parts and/or arrangements, the scope of which is defined by the appended claims and equivalents thereof.
Claims (10)
1. A one-way locking mechanism for a door opening and closing device, comprising:
the first blocking piece is used for being arranged on the one-way locking part and corresponding to the one-way locking part;
the one-way locking part is provided with a one-way fixing unit, a second blocking piece arranged on the moving piece in a rotating mode and a resetting component connected with the second blocking piece, and the resetting component is provided with an elastic structure for keeping the second blocking piece in contact with the first blocking piece when the second blocking piece passes through the first blocking piece; the one-way fixing unit is used for being installed on the moving piece, is positioned on one side of the second blocking piece and has a structure capable of being abutted against the end part of the second blocking piece far away from the rotation center of the second blocking piece.
2. The unidirectional locking mechanism of claim 1, wherein the unidirectional fixing unit comprises a magnetic member and an iron block member rotatably mounted on the moving member, the magnetic member is disposed corresponding to the iron block member, and has a structure capable of attracting the iron block member so that the iron block member can abut against an end of the second stopper away from a rotation center thereof.
3. The one-way locking mechanism for a door opening and closing device as claimed in claim 2, wherein an end of the second blocking member has an inclined structure.
4. The one-way locking mechanism of door opening and closing device as claimed in claim 2, wherein said iron block assembly has an iron block mounting seat for fixedly mounting on said moving member and an iron block mounted on said iron block mounting seat.
5. The one-way locking mechanism for a door opening and closing device according to claim 4, further comprising a rotating shaft assembly including a rotating shaft mounting seat for mounting on said moving member and a rotating shaft mounted on said rotating shaft mounting seat; the iron block assembly and the second blocking piece are respectively rotatably installed on the rotating shaft.
6. The unidirectional locking mechanism of claim 5, wherein the iron block mounting plate has an iron block mounting plate and two shaft mounting plates vertically disposed on the iron block mounting plate and located at both sides of the iron block, respectively, the iron block being mounted on the iron block mounting plate; the rotating shaft mounting plate is provided with a mounting rotating shaft mounting hole, and the rotating shaft is mounted on the rotating shaft mounting hole;
one-way locking portion has two the second stops, two the second stops rotate to be installed in the pivot and be located respectively the both sides of pivot mounting panel, iron plate mounting panel both sides still are formed with respectively to the both sides extension of this iron plate mounting panel and be used for with the second stops keep away from the extension structure of the tip looks butt in pivot axle center.
7. The unidirectional locking mechanism of claim 6, wherein a stop ring is further installed on the shaft for limiting the positions of the shaft mounting plate and the second blocking member on the shaft.
8. The unidirectional locking mechanism of claim 2, wherein the magnetic member is an electromagnet member and is configured to attract the iron block member when energized.
9. The one-way locking mechanism for an opening and closing door apparatus as claimed in claim 8, wherein the electromagnet assembly has an electromagnet mounting plate for fixedly mounting on the moving member and an electromagnet mounted on one side of the electromagnet mounting plate.
10. The one-way locking mechanism for a door opening and closing device as claimed in claim 1, wherein the return member is a torsion spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921630366.1U CN211115298U (en) | 2019-09-27 | 2019-09-27 | One-way locking mechanism for door opening and closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921630366.1U CN211115298U (en) | 2019-09-27 | 2019-09-27 | One-way locking mechanism for door opening and closing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211115298U true CN211115298U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921630366.1U Active CN211115298U (en) | 2019-09-27 | 2019-09-27 | One-way locking mechanism for door opening and closing device |
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| Country | Link |
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| CN (1) | CN211115298U (en) |
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| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder | ||
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Address after: 215000 3C, Aoyang Shunchang building, 270 Dongping street, Suzhou Industrial Park, Suzhou City, Jiangsu Province Patentee after: Suzhou Guangge Technology Co.,Ltd. Address before: 215000 3C, Aoyang Shunchang building, 270 Dongping street, Suzhou Industrial Park, Suzhou City, Jiangsu Province Patentee before: SUZHOU GUANGGE EQUIPMENT Co.,Ltd. |