CN213869389U - Improved electric door closer - Google Patents
Improved electric door closer Download PDFInfo
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- CN213869389U CN213869389U CN202021804855.7U CN202021804855U CN213869389U CN 213869389 U CN213869389 U CN 213869389U CN 202021804855 U CN202021804855 U CN 202021804855U CN 213869389 U CN213869389 U CN 213869389U
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- rocker
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Abstract
An improved electric door closer comprises a bracket arranged on a sliding rail and a sliding block which is movably close to and away from the bracket, wherein a wane and a magnetic locking component are arranged on the bracket, the middle part of the wane swings on the bracket, the action end of the magnetic locking component is in release and locking fit with one end of the wane, and a buckling piece is elastically and movably arranged at the other end of the wane; the slider acts on and drives the buckle pulling piece to move on the warping plate when moving close to or away from the bracket, and the buckle pulling piece elastically avoids the slider when moving. The utility model discloses an improvement of above-mentioned structure, through optimizing wane, support, magnetism locking subassembly, the knot draws the assembly position each other to simplify the overall structure of door closer, reduce and assemble its shared spatial position of installing on the slide rail, can draw an elasticity with the knot when the relative support activity of slider is close to and leaves simultaneously and dodge, thereby ensure that the door body can be in normally open state and do not receive the influence of any component when closing, with the job stabilization nature that improves the product.
Description
Technical Field
The utility model relates to an electric door closer of improvement.
Background
At present, the existing door closers are all normally closed door closers, are mainly installed on a fire door closed all the year round, keep the fire door in a closed state at any time, and prevent the fire from spreading through the fire door when a fire occurs, and the door closers are more practical on the fire door with low pedestrian flow throughput; however, in public buildings with large people or logistics, the door closer often cannot meet practical requirements, people need a large amount of time and physical strength to open the fireproof door due to frequent passing of people or logistics, the passing convenience of people is greatly influenced, if the fireproof door is fixed in an open state by using a tool, the fireproof door cannot be closed in time due to the fact that the fireproof door is in the open state when a fire disaster happens, the fire rapidly spreads to the periphery through the fireproof door, and the damage to the life and property of people is great.
The electric door closer is also called a linkage door closer, the electromagnetic magnet is electrified for a long time to generate strong magnetism to attract the sucker on the pressing plate, so that the position of the pressing plate is fixed, the pressing plate limits the sliding block to move backwards, the sliding block is connected with the swing arm of the door closer, the angle for limiting the fireproof door is achieved, when the electromagnetic magnet is powered off, the magnetic force disappears, the sliding block generates the moment for closing the door under the effect of the fireproof door closer, the pressing plate is pushed open, the limitation of the fireproof door is relieved, and the fireproof door leaf is closed. The existing electric door closer has a complex structure, the size is large, the appearance size of the sliding rail is large, the electric door closer is not convenient to install on narrow doors of door frames, the working stability is poor, and the real fireproof opening and closing effect cannot be achieved. Therefore, further improvements are necessary.
Disclosure of Invention
The utility model aims at providing an electric door closer of improvement to overcome among the prior art weak point that the structure is complicated, the size is great, job stabilization nature is relatively poor.
The improved electric door closer designed according to the purpose comprises a bracket arranged on a sliding rail and a sliding block which is close to and away from the bracket in a movable way, and is characterized in that: be provided with wane and magnetic locking subassembly on the support, the swing of wane middle part is on the support, and magnetic locking subassembly's action end and wane one end release and lock clearance fit, and wane other end elastic activity has the knot to draw the piece.
The slider acts on and drives the buckle pulling piece to move on the warping plate when moving close to or away from the bracket, and the buckle pulling piece elastically avoids the slider when moving.
The buckling and pulling piece is provided with a first inclined plane; the wane is provided with a limit flange.
The sliding block acts on the first inclined plane when moving close to the bracket and drives the buckling and pulling piece to move on the warping plate, and the buckling and pulling piece and the sliding block elastically avoid each other when moving; the buckling and pulling piece and the sliding block are avoided and then elastically reset on the warping plate; the sliding block is limited between the limiting flange and the buckle pulling piece after being avoided.
The buckle pulling piece is provided with a second inclined plane which is positioned at the other side of the first inclined plane.
The sliding block is limited between the flange and the buckling and pulling piece and acts on the second inclined plane when moving away relative to the bracket, the buckling and pulling piece is driven to move on the warping plate, and the buckling and pulling piece and the sliding block elastically avoid each other when moving; the buckling and pulling piece and the sliding block are avoided and then elastically reset on the warping plate; the sliding block and the sliding block leave the bracket after avoiding.
The slider is provided with a collision inclined plane corresponding to the first inclined plane and/or the second inclined plane, acts on the first inclined plane and/or the second inclined plane through the collision inclined plane, and drives the buckle pulling piece to move on the rocker.
The rocker or the bracket is provided with an elastic piece, and the rocker is provided with an opening corresponding to the buckling and pulling piece; one end of the elastic piece elastically acts on the buckle pulling piece, and the other end elastically acts on the wane or the bracket; the buckle pulling piece moves up and down on the opening through the elasticity of the elastic piece and/or the sliding block; a bracket transverse hole is formed in the bracket, a shaft seat is arranged in the middle of the wane, and a first pin shaft is arranged between the shaft seat and the bracket transverse hole; the middle part of the wane swings on a transverse hole of a bracket of the bracket through the matching of the shaft seat and the first pin shaft.
A counter bore is formed in the rocker, a threaded piece is arranged on the counter bore, and a movable piece is arranged on the threaded piece; the rocker is also provided with a hinged support, a hinged support transverse hole is formed in the hinged support, and a second pin shaft is arranged on the hinged support transverse hole; the elastic element is a torsion spring, the middle part of the elastic element is positioned on the hinged support through the matching of the second pin shaft and the transverse hole of the hinged support, one end of the torsion spring elastically acts on the buckling and pulling element, and the other end elastically acts on the movable element; the movable piece is adjustable activity on the screw member, and adjust the elastic force that the torsional spring produced when the activity.
The magnetic locking assembly comprises an electromagnet electrically connected with the power supply end; the electromagnet is in release fit with one end of the rocker through the power failure of the power supply end; the electromagnet is in movable fit with one end of the rocker through the electrification of the power supply end.
The magnetic locking assembly comprises an electromagnetic coil electrically connected with the power supply end, a pull rod is arranged on the electromagnetic coil, and the power output end of the pull rod is connected with a clamping piece; the electromagnetic coil drives the pull rod to drive the card to be in locking fit with one end of the rocker plate through the power failure of the power supply end; the electromagnetic coil drives the pull rod to drive the card to be matched with one end of the rocker plate in a releasing manner through the electrification of the power supply end.
The power input end of the pull rod is in transmission connection with the electromagnetic coil, and the power output end is provided with a transverse pin in transmission connection with the clamping piece; the clamping sheet is also provided with a clamping hook; one end of the wane is provided with a buckling hole.
Solenoid pass through the outage drive pull rod of power supply end and stretch out towards the direction of card, the pull rod passes through the horizontal pin drive card activity when stretching out, the card passes through the pothook lock joint on detaining the hole when the activity to realize the lock clearance fit between card and the wane one end.
Solenoid pass through the circular telegram drive pull rod of power supply end and contract towards solenoid's direction, the pull rod passes through the horizontal pin drive card activity when contracting, the card breaks away from the knot hole through the pothook when the activity to realize the release cooperation between card and the wane one end.
Or the power input end of the pull rod (22) is in transmission connection with the electromagnetic coil (21), and the power output end is provided with a transverse pin (24) which is in transmission connection with the clamping piece (23); the clamping piece (23) is also provided with a clamping hook (25); the electromagnetic coil (21) is arranged outside the end part of the rocker (3); the electromagnetic coil (21) drives the pull rod (22) to extend towards the direction of the clamping piece (23) through the power failure of the power supply end, the pull rod (22) drives the clamping piece (23) to move through the transverse pin (24) when extending out, and the clamping piece (23) is buckled on the outer end of the rocker (3) through the clamping hook (25) when moving, so that the clamping piece (23) is locked and movably matched with one end of the rocker (3); the electromagnetic coil (21) is driven by the power supply end to be electrified to drive the pull rod (22) to contract towards the direction of the electromagnetic coil (21), the pull rod (22) drives the clamping piece (23) to move through the transverse pin (24) when contracting, and the clamping piece (23) is separated from the buckling hole (26) through the clamping hook (25) when moving, so that the clamping piece (23) is matched with one end of the warping plate (3) in a releasing mode.
The card is provided with a rotating hole and a blocking arm, and a clamping groove is formed between the rotating hole and the blocking arm; a rotating matching hole is formed in the bracket, and a third pin shaft is arranged between the rotating hole and the rotating matching hole; the card rotates on the rotating matching hole of the bracket through the matching of the rotating hole and the third pin shaft; the transverse pin is assembled on the rotating hole and the clamping groove of the blocking arm in a limiting mode so as to realize transmission connection of the pull rod and the clamping piece.
Through the improvement of the structure, the middle part of the wane swings on the bracket, one end of the wane is matched with the action end of the magnetic locking component in a releasing and locking way, and the other end of the wane is provided with the buckling component in an elastic way; meanwhile, the sliding block can elastically avoid the buckling piece when approaching or leaving relative to the support, so that the door body can be in a normally open state and is not influenced by any member when being closed, and the working stability of a product is improved.
In summary, the multifunctional electric heating cooker has the characteristics of simple and reasonable structure, excellent performance, low manufacturing cost, convenience in use, safety, reliability and the like, and is high in practicability.
Drawings
Fig. 1 and 2 are schematic views of an assembly structure according to a first embodiment of the present invention.
Fig. 3 and 4 are schematic exploded structural views of the first embodiment of the present invention.
Fig. 5-7 are schematic views of a manual opening process of the door body.
Fig. 8-10 are schematic views of a manual closing process of the door body.
Fig. 11-14 are schematic views illustrating an automatic closing process of the door body.
Fig. 15 is an assembly sectional structural view of the second embodiment of the present invention.
Fig. 16 is a schematic cross-sectional view of a third embodiment of the present invention.
Fig. 17 is a schematic cross-sectional view of a fourth embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
First embodiment
Referring to fig. 1-14, the improved electric door closer includes a bracket 1 mounted on a slide rail (not shown), and a slider 2 movably approaching and departing from the bracket 1, wherein the slider 2 is cooperatively connected with a swing arm (not shown) of the door closer.
Be provided with wane 3 and magnetic locking subassembly on support 1, the swing in 3 middle parts of wane is on support 1, and the action end and 3 one end releases of wane and lock clearance fit of magnetic locking subassembly, and 3 other end elastic activity of wane have the knot to draw piece 4.
Specifically, the bracket 1 is provided with a U-shaped groove; the magnetic locking assembly is positioned at one end inside the U-shaped groove, and the middle part of the wane 3 swings in the U-shaped groove; the sliding block 2 is movably close to and away from the bracket 1 through the positioning guide of the U-shaped groove.
Swing the U-shaped inslot at support 1 with 3 middle parts of wane, its one end releases and locks the movable fit with the action end of magnetism locking subassembly simultaneously, other end then elastic activity has the knot to draw 4, through optimizing wane 3, support 1, magnetism locking subassembly, the knot draws 4 assembly position each other, thereby simplify the overall structure of door closer, reduce to assemble its shared spatial position of installing on the slide rail, make the electronic door closer of this structure can be applied to the constrictive door body of some door frames, improve the commonality of product.
The slider 2 acts on and drives the buckle pulling piece 4 to move on the warping plate 3 when moving close to or away from the bracket 1, and the buckle pulling piece 4 elastically avoids the slider 2 when moving.
The sliding block 2 can elastically avoid the buckling piece 4 when approaching or leaving relative to the support 1, so that the door body can be in a normally open state and is not influenced by any member when being closed, and the working stability of a product is improved.
In order to improve the action stability between the sliding block 2 and the fastener 4 and reduce the sound and impact generated when the sliding block 2 and the fastener interact with each other, a first inclined surface 5 and a second inclined surface 7 are arranged on the fastener 4, wherein the first inclined surface 5 is positioned on one side of the upper end of the fastener 4, and the second inclined surface 7 is positioned on the other side of the first inclined surface 5.
Be provided with spacing flange 6 on the wane 3, this spacing flange 6 and knot form certain spacing interval between drawing 4.
When the sliding block 2 is movably close to the bracket 1, namely when the door body is opened, the sliding block 2 acts on the first inclined surface 5 and drives the buckle pulling piece 4 to move on the warping plate 3, and the buckle pulling piece 4 and the sliding block 2 elastically avoid each other when moving; the buckling and pulling piece 4 and the sliding block 2 are avoided and then elastically reset on the warping plate 3; the slider 2 and the slider 2 are limited between the limiting flange 6 and the buckle pulling piece 4 after avoiding, namely the slider 2 can be limited on the limiting distance, and the door body can be in a normally open state.
The sliding block 2 is limited between the flange 6 and the buckle pulling piece 4 and moves away relative to the bracket 1, namely when the door body is closed, the sliding block 2 acts on the second inclined plane 7 and drives the buckle pulling piece 4 to move on the warping plate 3, and the buckle pulling piece 4 and the sliding block 2 elastically avoid each other when moving; the buckling and pulling piece 4 and the sliding block 2 are avoided and then elastically reset on the warping plate 3; the sliding block 2 and the sliding block 2 leave the bracket 1 after avoiding.
In order to further reduce the sound and impact generated when the sliding block 2 interacts with the fastener 4, the sliding block 2 is provided with two collision inclined planes 8 corresponding to the first inclined plane 5 and/or the second inclined plane 7, and the collision inclined planes 8 are preferably arranged in the embodiment and are respectively located at the front side and the rear side of the sliding block 2. When the door body is opened, the sliding block 2 acts on the first inclined surface 5 through the collision inclined surface 8 at the front side and drives the buckling and pulling piece 4 to move on the warping plate 3. When the door body is closed, the sliding block 2 acts on the second inclined surface 7 through the collision inclined surface 8 at the rear side and drives the buckling and pulling piece 4 to move on the warping plate 3.
In order to enable a user to easily open the door body and keep the door body in a normally open state and prevent the door body from being automatically closed easily, the inclination angle of the first inclined plane 5 is smaller than that of the second inclined plane 7, namely, the inclination angle of the first inclined plane 5 is smaller than that of the horizontal line, and the inclination angle of the second inclined plane 7 is larger than that of the horizontal line. Therefore, when the door body is opened, the force of the sliding block 2 acting on the first inclined surface 5 through the collision inclined surface 8 is small, and a user can drive the sliding block 2 and the buckling piece 4 to avoid each other with small force; therefore, when the door body is closed, the force of the sliding block 2 acting on the second inclined plane 7 through the collision inclined plane 8 is large, a user needs to drive the sliding block 2 and the buckle pulling piece 4 to avoid each other with large force, and the design can avoid the problem that the door body is automatically closed due to self gravity, inertia force or less external force when the door body is in a normally open state, so that the product is more stable and reliable to use.
In order to enable the buckling and pulling piece 4 to stably move on the wane, an elastic piece 9 is arranged on the wane 3 or the bracket 1, and an opening 10 is arranged on the wane 3 corresponding to the buckling and pulling piece 4; one end of the elastic element 9 elastically acts on the buckle-pull element 4, and the other end elastically acts on the wane 3 or the bracket 1; the buckle pulling piece 4 is elastically moved up and down on the opening 10 through the elastic piece 9 and/or the sliding block 2; a bracket transverse hole 11 is formed in the bracket 1, an axle seat 12 is arranged in the middle of the rocker 3, and a first pin shaft 13 is arranged between the axle seat 12 and the bracket transverse hole 11; the middle part of the wane 3 swings on a transverse hole 11 of the bracket 1 through the matching of a shaft seat 12 and a first pin shaft 13.
In order to adjust the elastic acting force generated by the elastic part 9, the force of different users for opening and closing the door body can be adjusted. In the embodiment, a counter bore 14 is arranged on the rocker 3, a threaded piece 15 is arranged on the counter bore 14, and a movable piece 16 is arranged on the threaded piece 15; the rocker 3 is also provided with a hinged support 17, the hinged support 17 is provided with a hinged support transverse hole 18, and the hinged support transverse hole 18 is provided with a second pin shaft 19; the elastic element 9 is a torsion spring, the middle part of the torsion spring is positioned on the hinged support 17 through the matching of the second pin shaft 19 and the hinged support transverse hole 18, one end of the torsion spring elastically acts on the buckling and pulling element 4, and the other end elastically acts on the moving element 16; the movable member 16 is adjustably movable on the threaded member 15 and adjusts the elastic force generated by the torsion spring during movement. The moving member 16 of this embodiment is preferably a nut, and when the user uses the nut, the nut can move up and down on the screw member 15, and because one end of the torsion spring elastically acts on the nut, the nut can adjust the compression amount of the torsion spring when moving up and down, and further adjust the elastic acting force of the torsion spring.
The magnetic locking component of the embodiment comprises an electromagnetic coil 21 electrically connected with a power supply end, a pull rod 22 is arranged on the electromagnetic coil 21, and a power output end of the pull rod 22 is connected with a clamping piece 23; the electromagnetic coil 21 drives the card 23 to be in locking fit with one end of the rocker 3 through the power-off driving pull rod 22 at the power supply end; the electromagnetic coil 21 drives the card 23 to be in releasing fit with one end of the rocker 3 through the electrified driving pull rod 22 at the power supply end.
Furthermore, the power input end of the pull rod 22 is in transmission connection with the electromagnetic coil 21, and the power output end is provided with a transverse pin 24 in transmission connection with the clamping piece 23; the clamping piece 23 is also provided with a clamping hook 25; one end of the rocker 3 is provided with a button hole 26.
The electromagnetic coil 21 drives the pull rod 22 to extend towards the direction of the clamping piece 23 through the power failure of the power supply end, the pull rod 22 drives the clamping piece 23 to move through the transverse pin 24 when extending, and the clamping piece 23 is buckled on the buckling hole 26 through the hook 25 when moving, so that the locking and moving fit between the clamping piece 23 and one end of the rocker 3 is realized.
The electromagnetic coil 21 is driven by the energizing of the power supply end to contract the pull rod 22 towards the direction of the electromagnetic coil 21, the pull rod 22 drives the clamping piece 23 to move through the transverse pin 24 when contracting, and the clamping piece 23 is separated from the buckling hole 26 through the clamping hook 25 when moving, so that the clamping piece 23 is matched with one end of the rocker 3 in a releasing way.
More specifically, the card 23 is provided with a rotation hole 27 and a stop arm 28, and a slot 29 is provided between the rotation hole 27 and the stop arm 28; a rotary matching hole 30 is formed in the bracket 1, and a third pin shaft 31 is arranged between the rotary hole 27 and the rotary matching hole 30; the card 23 rotates on the rotating matching hole 30 of the bracket 1 through the matching of the rotating hole 27 and the third pin 31; the cross pin 24 is in limited fit with the rotation hole 27 and the clamping groove 29 of the stop arm 28, so that the pull rod 22 is in transmission connection with the clamping piece 23.
The working principle is as follows:
referring to fig. 5-7, in the initial state, the pull rod 22 is extended and pressed against the locking piece 23 by the transverse pin 24, so that the hook 25 of the locking piece 23 is locked with the locking hole 26 of the rocker 3, and the right end of the rocker 3 cannot swing downward, as shown in fig. 5.
When the door body is opened, the sliding block 2 moves close to the rocker 3, when the sliding block 2 moves to a certain position, the sliding block 2 and the first inclined surface 5 of the buckle pulling piece 4 interact with each other through the collision inclined surface 8, so that the buckle pulling piece 4 sinks in the opening 10 and is mutually avoided from the sliding block 2, and the state is shown in fig. 6. The slide block 2 continues to move and enters the upper part of the wane 3, and is limited between the limit flange 6 and the buckle pulling piece 4, the state is shown in figure 7, and the door body is in a normally open state at the moment.
When the door body is closed, as shown in fig. 8-10, the door body is closed with a slight force to drive the sliding block 2 to move away from the bracket 1, and when the sliding block 2 moves to a certain position, the sliding block 2 will interact with the second inclined surface 7 of the buckle pulling piece 4 through the collision inclined surface 8, so that the buckle pulling piece 4 sinks in the opening 10 and gets away from the sliding block 2, and the state is shown in fig. 9. The slider 2 continues to move and leaves the bracket 1, and the state is shown in fig. 10, at this time, the door body is in a closed state.
As shown in fig. 11-14, if the door body is in a normally open state and a fire occurs at the same time, the monitoring center control in communication connection with the electromagnetic coil 21 supplies power to the electromagnetic coil 21, the electromagnetic coil 21 is energized to drive the pull rod 22 to contract, the pull rod 22 is acted on the stop arm 28 through the cross pin 24 when contracting and drives the clamping piece 23 to swing, the clamping hook 25 on the clamping piece 23 is separated from the buckling hole 26 when swinging, and the state is shown in fig. 11; at the moment, the sliding block 2 is in fit connection with a swing arm (not marked in the figure) of the door closer, the swing arm drives the sliding block 2 to move away relative to the bracket 1 under the pulling of the oil cylinder, the sliding block 2 slightly acts with the buckle pulling piece 4 when the sliding block 2 leaves, and the state is shown in figure 12; when the sliding block 2 continues to move, the right end of the wane 3 is driven to swing downwards, and meanwhile, the buckling and pulling piece 4 and the sliding block 2 are mutually avoided, and the state is shown in fig. 13; finally, the sliding block 2 leaves the bracket 1, the state of the sliding block is shown in figure 14, and the door body is automatically closed at the moment so as to play a role of fire prevention.
Second embodiment
Referring to fig. 15, the present improved electric door closer differs from the first embodiment in that: the magnetic locking component comprises an electromagnet 20 electrically connected with a power supply end; the electromagnet 20 is in releasing fit with one end of the rocker 3 through the power failure of the power supply end; the electromagnet 20 is in locking movable fit with one end of the rocker 3 through the electrification of the power supply end.
The rocker 3 of the present embodiment is made of a metal material.
After the electromagnet 20 is powered off, the opposite attraction between the electromagnet and the rocker 3 disappears, the rocker 3 is released by utilizing the self-gravity of the end part, and the right end of the rocker 3 automatically swings downwards.
The other parts not described are the same as those of the first embodiment.
Third embodiment
Referring to fig. 16, the power input end of the pull rod 22 is in transmission connection with the electromagnetic coil 21, and the power output end is provided with a cross pin 24 in transmission connection with a clamping piece 23; the clamping piece 23 is also provided with a clamping hook 25; the electromagnetic coil 21 is arranged outside the end part of the rocker 3; the electromagnetic coil 21 drives the pull rod 22 to extend towards the direction of the clamping piece 23 through the power failure of the power supply end, the pull rod 22 drives the clamping piece 23 to move through the transverse pin 24 when extending, and the clamping piece 23 is buckled on the outer end of the rocker 3 through the clamping hook 25 when moving, so that the clamping piece 23 is in locking fit with one end of the rocker 3; the electromagnetic coil 21 is driven by the power supply end to contract towards the direction of the electromagnetic coil 21 through the electrifying of the power supply end, the pull rod 22 drives the clamping piece 23 to move through the transverse pin 24 when contracting, and the clamping piece 23 is separated from the buckling hole 26 through the clamping hook 25 when moving, so that the clamping piece 23 is matched with one end of the rocker 3 in a releasing mode.
The other parts not described are the same as those of the first embodiment.
Fourth embodiment
Referring to fig. 17, a signal switch 40 (which is not used for control) is further disposed beside one end of the rocker 3 close to the electromagnetic coil 21, and when the state of the signal switch 40 changes, the control system can determine that the door body connected to the electric door closer is in a closed or open state.
The other parts not described are the same as those of the first embodiment.
The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but rather that various changes and modifications may be made without departing from the spirit and scope of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims (10)
1. The utility model provides an electronic door closer of improvement, is including installing support (1) on the slide rail and slider (2) that relative support (1) activity is close to and leaves, its characterized in that: the bracket (1) is provided with a wane (3) and a magnetic locking component, the middle part of the wane (3) swings on the bracket (1), the action end of the magnetic locking component is in releasing and locking movable fit with one end of the wane (3), and the other end of the wane (3) is elastically and movably provided with a buckle-pull piece (4);
the sliding block (2) acts and drives the buckle pulling piece (4) to move on the warping plate (3) when moving close to or away from the support (1), and the buckle pulling piece (4) elastically avoids the sliding block (2) when moving.
2. The improved power door closer of claim 1, wherein: the buckling and pulling piece (4) is provided with a first inclined plane (5); a limiting flange (6) is arranged on the warping plate (3);
the sliding block (2) acts on the first inclined plane (5) when movably approaching relative to the bracket (1) and drives the buckling and pulling piece (4) to move on the warping plate (3), and the buckling and pulling piece (4) elastically avoids the sliding block (2) when moving; the buckling piece (4) and the sliding block (2) are avoided and then elastically reset on the warping plate (3); the sliding block (2) and the sliding block (2) are limited between the limiting flange (6) and the buckle pulling piece (4) after avoiding.
3. The improved power door closer of claim 2, wherein: a second inclined plane (7) is arranged on the buckling and pulling piece (4), and the second inclined plane (7) is positioned on the other side of the first inclined plane (5);
the sliding block (2) is limited between the flange (6) and the buckle pulling piece (4) and is movably away from the support (1), the sliding block (2) acts on the second inclined plane (7) and drives the buckle pulling piece (4) to move on the warping plate (3), and the buckle pulling piece (4) and the sliding block (2) elastically avoid each other when moving; the buckling piece (4) and the sliding block (2) are avoided and then elastically reset on the warping plate (3); the sliding block (2) and the sliding block (2) leave the bracket (1) after avoiding.
4. The improved power door closer of claim 3, wherein: the slider (2) is provided with an impact inclined plane (8) corresponding to the first inclined plane (5) and/or the second inclined plane (7), and the slider (2) acts on the first inclined plane (5) and/or the second inclined plane (7) through the impact inclined plane (8) and drives the buckle pulling piece (4) to move on the wane (3).
5. The improved power door closer according to any one of claims 1 to 4, wherein: the rocker (3) or the bracket (1) is provided with an elastic piece (9), and the rocker (3) is provided with an opening (10) corresponding to the buckle (4); one end of the elastic piece (9) elastically acts on the buckling and pulling piece (4), and the other end elastically acts on the wane (3) or the bracket (1); the buckle pulling piece (4) is elastically moved up and down on the opening (10) through the elastic piece (9) and/or the sliding block (2); a bracket transverse hole (11) is formed in the bracket (1), a shaft seat (12) is arranged in the middle of the rocker (3), and a first pin shaft (13) is arranged between the shaft seat (12) and the bracket transverse hole (11); the middle part of the rocker (3) swings on a transverse bracket hole (11) of the bracket (1) through the matching of the shaft seat (12) and the first pin shaft (13).
6. The improved power door closer of claim 5, wherein: a counter bore (14) is formed in the rocker (3), a threaded piece (15) is arranged on the counter bore (14), and a movable piece (16) is arranged on the threaded piece (15); the rocker (3) is also provided with a hinged support (17), the hinged support (17) is provided with a hinged support transverse hole (18), and the hinged support transverse hole (18) is provided with a second pin shaft (19); the elastic element (9) is a torsion spring, the middle part of the torsion spring is positioned on the hinged support (17) through the matching of the second pin shaft (19) and the hinged support transverse hole (18), one end of the torsion spring elastically acts on the buckling and pulling element (4), and the other end elastically acts on the moving element (16); the movable piece (16) is adjustably movable on the threaded piece (15) and adjusts the elastic acting force generated by the torsion spring during movement.
7. The improved power door closer of claim 6, wherein: the magnetic locking component comprises an electromagnet (20) electrically connected with a power supply end; the electromagnet (20) is in release fit with one end of the rocker (3) through the power failure of the power supply end; the electromagnet (20) is in locking movable fit with one end of the rocker (3) through electrification of the power supply end.
8. The improved power door closer of claim 7, wherein: the magnetic locking assembly comprises an electromagnetic coil (21) electrically connected with a power supply end, a pull rod (22) is arranged on the electromagnetic coil (21), and a power output end of the pull rod (22) is connected with a clamping piece (23); the electromagnet (20) drives the card (23) to be in locking fit with one end of the rocker (3) through a power-off driving pull rod (22) at a power supply end; the electromagnet (20) drives the card (23) to be in release fit with one end of the rocker (3) through the electrified driving pull rod (22) at the power supply end.
9. The improved power door closer of claim 8, wherein: the power input end of the pull rod (22) is in transmission connection with the electromagnetic coil (21), and the power output end is provided with a transverse pin (24) which is in transmission connection with the clamping piece (23); the clamping piece (23) is also provided with a clamping hook (25); one end of the wane (3) is provided with a buckling hole (26); the electromagnetic coil (21) drives the pull rod (22) to extend towards the direction of the clamping piece (23) through the power failure of the power supply end, the pull rod (22) drives the clamping piece (23) to move through the transverse pin (24) when extending out, and the clamping piece (23) is buckled on the buckling hole (26) through the clamping hook (25) when moving, so that the clamping piece (23) is locked and movably matched with one end of the rocker (3); the electromagnetic coil (21) is driven by the power supply end to contract towards the direction of the electromagnetic coil (21) through the electrifying of the power supply end, the pull rod (22) drives the clamping piece (23) to move through the transverse pin (24) when contracting, and the clamping piece (23) is separated from the buckling hole (26) through the clamping hook (25) when moving, so that the clamping piece (23) is matched with one end of the warped plate (3) in a releasing way;
or the power input end of the pull rod (22) is in transmission connection with the electromagnetic coil (21), and the power output end is provided with a transverse pin (24) which is in transmission connection with the clamping piece (23); the clamping piece (23) is also provided with a clamping hook (25); the electromagnetic coil (21) is arranged outside the end part of the rocker (3); the electromagnetic coil (21) drives the pull rod (22) to extend towards the direction of the clamping piece (23) through the power failure of the power supply end, the pull rod (22) drives the clamping piece (23) to move through the transverse pin (24) when extending out, and the clamping piece (23) is buckled on the outer end of the rocker (3) through the clamping hook (25) when moving, so that the clamping piece (23) is locked and movably matched with one end of the rocker (3); the electromagnetic coil (21) is electrified through the power supply end to drive the pull rod (22) to contract towards the direction of the electromagnet (20), the pull rod (22) drives the clamping piece (23) to move through the transverse pin (24) when contracting, and the clamping piece (23) is separated from the buckling hole (26) through the clamping hook (25) when moving, so that the clamping piece (23) is matched with one end of the warping plate (3) in a releasing mode.
10. The improved power door closer of claim 9, wherein: a rotating hole (27) and a blocking arm (28) are formed in the card (23), and a clamping groove (29) is formed between the rotating hole (27) and the blocking arm (28); a rotary matching hole (30) is formed in the support (1), and a third pin shaft (31) is arranged between the rotary hole (27) and the rotary matching hole (30); the clamping piece (23) rotates on the rotating matching hole (30) of the bracket (1) through the matching of the rotating hole (27) and the third pin shaft (31); the transverse pin (24) is assembled on the rotating hole (27) and a clamping groove (29) of the stop arm (28) in a limiting way, so that the pull rod (22) is in transmission connection with the clamping piece (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021804855.7U CN213869389U (en) | 2020-08-25 | 2020-08-25 | Improved electric door closer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021804855.7U CN213869389U (en) | 2020-08-25 | 2020-08-25 | Improved electric door closer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213869389U true CN213869389U (en) | 2021-08-03 |
Family
ID=77047031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021804855.7U Active CN213869389U (en) | 2020-08-25 | 2020-08-25 | Improved electric door closer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213869389U (en) |
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2020
- 2020-08-25 CN CN202021804855.7U patent/CN213869389U/en active Active
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Effective date of registration: 20230905 Address after: 526100 350 meters northwest of Jinli No. 1 middle school, Jinli Town, Gaoyao District, Zhaoqing City, Guangdong Province (plant 7 of Jinyue Trade Co., Ltd.) Patentee after: Zhaoqing Gaoyao zhongtianming Hardware Technology Co.,Ltd. Address before: 528100 No. 197-1, Gongye Avenue, Baini Town, Sanshui District, Foshan City, Guangdong Province Patentee before: Foshan Sanshui OULIN metal products Co.,Ltd. |
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