CN212428395U - Door closer positioning and releasing structure - Google Patents
Door closer positioning and releasing structure Download PDFInfo
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- CN212428395U CN212428395U CN202020515144.1U CN202020515144U CN212428395U CN 212428395 U CN212428395 U CN 212428395U CN 202020515144 U CN202020515144 U CN 202020515144U CN 212428395 U CN212428395 U CN 212428395U
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- circuit board
- piece
- lock tongue
- door
- shell
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Abstract
A door closer positioning and releasing structure comprises a shell, a sliding block arranged in a sliding groove of the shell in a sliding way, and a support fixedly arranged in the shell, wherein the middle part of the support is rotatably connected with a spring bolt frame; the spring piece comprises a horizontal piece and a bending piece which are fixedly arranged on the lower surface of the lock tongue frame, the lower end of the bending piece is buckled with the groove of the sliding block, the upper end of the bending piece is abutted against the right end of the lock tongue frame, the upper surface of the right end of the lock tongue frame is fixedly provided with a spring, and the upper end of the spring is fixedly connected with the support; the left end of the shell is fixedly provided with an end cover, a thermosensitive element and a circuit board are fixedly arranged in the end cover, the circuit board is arranged above the thermosensitive element at intervals, the lower surface of the circuit board is fixedly provided with a switch, the lower surface of the switch is abutted against the upper surface of the thermosensitive element, and the switch is electrically connected with the circuit board and the electromagnet respectively. The utility model discloses a switch and thermistor cooperation can in time close the door when taking place the conflagration, and are with low costs and the reliability is high.
Description
Technical Field
The utility model belongs to the technical field of fire prevention door and window, especially, relate to a door closer location and release structure.
Background
The existing door closer is generally a normally closed door closer, a door provided with the door closer can be automatically closed after being opened, rapid evacuation of people in emergency is not facilitated, frequent door opening and closing can accelerate abrasion of a hydraulic rod for closing the door, and the service life of the whole door closer is seriously influenced.
In addition, the existing electromagnetic door closer needs to be continuously electrified to ensure the door closing function, a large amount of power resources are consumed, and the use cost is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide a door closer location and release structure.
The utility model discloses a door closer location and release structure, which is characterized in that the door closer location and release structure comprises a hollow shell body arranged horizontally, a slide block arranged horizontally and a support arranged horizontally, the lower surface of the shell body is provided with a chute arranged along the length direction of the shell body, the slide block is arranged in the chute in a sliding way, the upper surface of the slide block is provided with a groove, and the support is fixedly arranged in the shell body;
the middle part of the bracket is rotatably connected with a horizontally arranged lock tongue frame, the upper surface of the left end of the lock tongue frame is fixedly provided with a horizontally arranged suction plate, an electromagnet is arranged above the suction plate at intervals, the electromagnet is fixedly arranged on the bracket, and the lower surface of the lock tongue frame is fixedly provided with a spring piece;
the spring piece comprises a horizontal piece and a bending piece, the horizontal piece is fixedly arranged at the left end of the lower surface of the lock tongue frame, the lower end of the bending piece is buckled with the groove, the upper end of the bending piece is abutted against the right end of the lock tongue frame, a vertically arranged spring is fixedly arranged on the upper surface of the right end of the lock tongue frame, and the upper end of the spring is fixedly connected with the support;
the left end of the shell is fixedly provided with an end cover, a horizontally arranged thermosensitive element and a horizontally arranged circuit board are fixedly arranged in the end cover, the circuit board is arranged above the thermosensitive element at intervals, a vertically arranged switch is fixedly arranged on the lower surface of the circuit board, the lower surface of the switch is abutted against the upper surface of the thermosensitive element, and the switch is electrically connected with the circuit board and the electromagnet respectively.
Furthermore, the circuit board is electrically connected with a wiring terminal on the end cover, and the wiring terminal is electrically connected with a monitoring system arranged outside the shell.
Furthermore, the left end of the upper surface of the sliding block is provided with an inclined plane, and the lower surface of the sliding block is fixedly provided with a boss.
Specifically, the housing is a hollow rectangular parallelepiped.
The embodiment of the utility model provides a door closer location and release structure's technological effect is: when the lower end of the bending piece is fastened with the groove on the sliding block, the door is in a normally open state, so that personnel can freely enter and exit, the personnel can be conveniently evacuated in an emergency, frequent opening and closing of the door can be avoided, the use frequency of the hydraulic rod is effectively reduced, the abrasion of the hydraulic rod is reduced, and the service life of the whole door closer is prolonged; when the door needs to be closed, the door can be manually pulled to enable the lower end of the bending piece to be separated from the groove on the sliding block, the electromagnet can also be powered off, and the electromagnet drives the bolt frame to rotate anticlockwise through the suction plate, so that the door can be closed, and people can control the opening and closing of the door according to requirements; the switch is matched with the thermosensitive element, so that the door closer can be controlled to close the door in time when a fire disaster occurs, the cost is low, and the reliability is high.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an exploded view of a door closer positioning and releasing structure provided by an embodiment of the present invention;
fig. 2 is a schematic half-sectional view of a door closer positioning and releasing structure provided in an embodiment of the present invention when a door is in a normally open state;
fig. 3 is a schematic half-section view of a door closer positioning and releasing structure in a power-off state of an electromagnet according to an embodiment of the present invention;
fig. 4 is a schematic half-sectional view of a door closer positioning and releasing structure in a manual door opening/closing state according to an embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-4, an embodiment of the present invention provides a door closer positioning and releasing structure, which includes a horizontally disposed hollow housing 1, a horizontally disposed sliding block 2, and a horizontally disposed bracket 3, wherein the lower surface of the housing 1 is provided with a sliding groove 11 disposed along the length direction of the housing, the sliding block 2 is slidably disposed in the sliding groove 11, the upper surface of the sliding block 2 is provided with a groove 21, and the bracket 3 is fixedly disposed in the housing 1;
the middle part of the bracket 3 is rotatably connected with a horizontally arranged lock tongue frame 4, the upper surface of the left end of the lock tongue frame 4 is fixedly provided with a horizontally arranged suction plate 5, an electromagnet 6 is arranged above the suction plate 5 at intervals, the electromagnet 6 is fixedly arranged on the bracket 3, and the lower surface of the lock tongue frame 4 is fixedly provided with a spring piece 7;
the spring piece 7 comprises a horizontal piece 71 and a bending piece 72, the horizontal piece 71 is fixedly arranged at the left end of the lower surface of the bolt support 4, the lower end of the bending piece 72 is buckled with the groove 21, the upper end of the bending piece 72 is abutted against the right end of the bolt support 4, a vertically arranged spring 8 is fixedly arranged on the upper surface of the right end of the bolt support 4, and the upper end of the spring 8 is fixedly connected with the support 3;
an end cover 9 is fixedly arranged at the left end of the shell 1, a horizontally arranged thermosensitive element 10 and a horizontally arranged circuit board 12 are fixedly arranged in the end cover 9, the circuit board 12 is arranged above the thermosensitive element 10 at intervals, a vertically arranged switch 13 is fixedly arranged on the lower surface of the circuit board 12, the lower surface of the switch 13 is abutted against the upper surface of the thermosensitive element 10, and the switch 13 is respectively electrically connected with the circuit board 12 and the electromagnet 10.
Further, the circuit board 12 is electrically connected to a terminal 91 on the end cap 9, and the terminal 91 is electrically connected to a monitoring system (not shown) provided outside the housing 1.
Further, the left end of the upper surface of the slider 2 is provided with an inclined plane 22, the lower surface of the slider 2 is fixedly provided with a boss 23, the inclined plane 22 is used for matching with the bending piece 92 when the door is opened, so as to ensure smooth door closing, and the boss 23 is used for being fixedly connected with a connecting arm (not shown) of the door closer.
Specifically, the housing 1 is a hollow rectangular parallelepiped.
The embodiment of the utility model provides a door closer location and release structure's theory of operation is:
(1) the way of opening the door and keeping the door normally open under normal conditions: under the normal condition the utility model discloses a normally connect electrician to do, when the door that will close is opened, push away the door hard, the linking arm on the through-door drives slider 2 and moves left, when inclined plane 22 on slider 2 and the piece 72 butt of bending, thereby slider 2 extrudes the lower extreme of piece 72 of bending left and forces piece 72 and the horizontal plate 71 of bending to produce deformation, slider 2 extrudes the lower extreme of piece 72 of bending left constantly under the effect of door, when piece 72 lower extreme of bending gets into recess 21, piece 72 and the horizontal plate 71 of bending resume the original state under elastic potential energy's effect, slider 2 can't move left in spout 11, thereby realize opening the door after the door location at the current position, keep the state of opening the door normally.
(2) Door closing mode under normal condition: under the normal condition the utility model discloses a normally connect electrician to do, when closing the door, the door is drawn with force, the linking arm on the through-door drives slider 2 and moves to the right, when slider 2's recess 21 lateral wall and the piece 72 lower extreme butt of bending, thereby slider 2 extrudes the lower extreme of piece 72 of bending right and forces piece 72 and the horizontal plate 71 of bending to produce deformation, slider 2 constantly extrudes the lower extreme of piece 72 of bending right under the effect of door, when piece 72 lower extreme of bending breaks away from recess 21, piece 72 of bending and horizontal plate 71 reconversion under elastic potential energy's effect, slider 2 moves right in spout 11, thereby the realization is closed the door.
(3) Another door closing method under normal conditions: the power supply of the electromagnet 6 is cut off, after the electromagnet 6 is powered off, the electromagnet does not adsorb the suction plate 5 any more, because the connecting arm is connected with a hydraulic rod (not shown) of the door closer, the sliding block 2 slides rightwards under the action of the hydraulic rod of the door closer, the sliding block 2 extrudes the bending piece 72 at the moment, the bending piece 72 rotates anticlockwise but does not deform, so that the spring bolt frame 4 is driven to rotate anticlockwise, the spring 8 on the upper surface of the right end of the spring bolt frame 4 is extruded to deform, the spring 8 resets after the lower end of the bending piece 72 is not buckled with the groove 21 on the sliding block 2 any more, the spring bolt frame rotates clockwise, the suction plate 5 is driven to rotate clockwise, the upper surface of the suction plate 5 is abutted to the lower surface of the electromagnet 6, and the sliding block 2 moves rightwards in the sliding groove 11 under the action of the.
(4) Door closing mode when a fire disaster occurs: the switch 13 on the circuit board 12 is abutted against the thermosensitive element 10, so that the switch 13 is extruded, the circuit is in a conducting state, the circuit board 12 supplies power to the electromagnet 6 continuously, and the electromagnet 6 always adsorbs the suction plate 5; when a fire disaster happens, the thermosensitive element 10 is broken, the switch 13 loses the limitation of the thermosensitive element 10, the switch 13 is not extruded any more, the circuit is in an off state, the circuit board 12 does not supply power to the electromagnet 6, after the electromagnet 6 is powered off, the electromagnet does not adsorb the suction plate 5 any more, because the connecting arm is connected with a hydraulic rod of the door closer, the sliding block 2 slides rightwards under the action of the hydraulic pressure of the door closer, the sliding block 2 extrudes the bending piece 72 at the moment, the bending piece 72 rotates anticlockwise but does not deform, so that the bolt frame 4 is driven to rotate anticlockwise, the spring 8 on the upper surface of the right end of the bolt frame 4 is extruded to deform at the moment, after the lower end of the bending piece 72 is not buckled with the groove 21 on the sliding block 2 any more, the sliding block 2 moves rightwards in the sliding groove 11 under the action of the hydraulic rod of.
The embodiment of the utility model provides a door closer location and release structure's technological effect is: when the lower end of the bending piece 72 is fastened with the groove 21 on the sliding block 2, the door is in a normally open state, so that personnel can freely enter and exit, the personnel can be conveniently evacuated in an emergency, frequent opening and closing of the door can be avoided, the use frequency of the hydraulic rod is effectively reduced, the abrasion of the hydraulic rod is reduced, and the service life of the whole door closer is prolonged; when the door needs to be closed, the door can be manually pulled to enable the lower end of the bending piece 72 to be separated from the groove 21 on the sliding block 2, the electromagnet 6 can also be powered off, and the electromagnet 6 drives the bolt frame 4 to rotate anticlockwise through the suction plate 5, so that the door can be closed, and people can control the opening and closing of the door according to requirements; the switch 13 is matched with the thermosensitive element 10, so that the door closer can be controlled to close the door in time when a fire disaster occurs, and the door closer is low in cost and high in reliability.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (4)
1. A door closer positioning and releasing structure is characterized by comprising a horizontally arranged hollow shell, a horizontally arranged sliding block and a horizontally arranged support, wherein the lower surface of the shell is provided with a sliding groove arranged along the length direction of the shell, the sliding block is arranged in the sliding groove in a sliding manner, the upper surface of the sliding block is provided with a groove, and the support is fixedly arranged in the shell;
the middle part of the bracket is rotatably connected with a horizontally arranged lock tongue frame, the upper surface of the left end of the lock tongue frame is fixedly provided with a horizontally arranged suction plate, an electromagnet is arranged above the suction plate at intervals, the electromagnet is fixedly arranged on the bracket, and the lower surface of the lock tongue frame is fixedly provided with a spring piece;
the spring piece comprises a horizontal piece and a bending piece, the horizontal piece is fixedly arranged at the left end of the lower surface of the lock tongue frame, the lower end of the bending piece is buckled with the groove, the upper end of the bending piece is abutted against the right end of the lock tongue frame, a vertically arranged spring is fixedly arranged on the upper surface of the right end of the lock tongue frame, and the upper end of the spring is fixedly connected with the support;
the left end of the shell is fixedly provided with an end cover, a horizontally arranged thermosensitive element and a horizontally arranged circuit board are fixedly arranged in the end cover, the circuit board is arranged above the thermosensitive element at intervals, a vertically arranged switch is fixedly arranged on the lower surface of the circuit board, the lower surface of the switch is abutted against the upper surface of the thermosensitive element, and the switch is electrically connected with the circuit board and the electromagnet respectively.
2. A door closer positioning and releasing structure according to claim 1, wherein the circuit board is electrically connected to a terminal on the end cap, the terminal being electrically connected to a monitoring system provided outside the housing.
3. The door closer positioning and releasing structure according to claim 1, wherein a slope is formed at a left end of an upper surface of the slider, and a boss is fixedly formed on a lower surface of the slider.
4. A door closer positioning and releasing structure according to claim 1, wherein the housing is a hollow rectangular parallelepiped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020515144.1U CN212428395U (en) | 2020-04-10 | 2020-04-10 | Door closer positioning and releasing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020515144.1U CN212428395U (en) | 2020-04-10 | 2020-04-10 | Door closer positioning and releasing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212428395U true CN212428395U (en) | 2021-01-29 |
Family
ID=74295776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020515144.1U Active CN212428395U (en) | 2020-04-10 | 2020-04-10 | Door closer positioning and releasing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212428395U (en) |
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2020
- 2020-04-10 CN CN202020515144.1U patent/CN212428395U/en active Active
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