CN212428396U - Door closer positioning and releasing structure - Google Patents
Door closer positioning and releasing structure Download PDFInfo
- Publication number
- CN212428396U CN212428396U CN202020515305.7U CN202020515305U CN212428396U CN 212428396 U CN212428396 U CN 212428396U CN 202020515305 U CN202020515305 U CN 202020515305U CN 212428396 U CN212428396 U CN 212428396U
- Authority
- CN
- China
- Prior art keywords
- spring
- support
- door
- shell
- door closer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Special Wing (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
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 an electromagnet, a shifting fork and a spring bolt frame are arranged on the support; the spring piece comprises a horizontal piece and a bending piece which are fixedly arranged on the spring bolt frame through a mounting column, 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 lower surface of the spring bolt frame, a second spring is fixedly arranged on the spring bolt frame, and the upper end of the second spring is fixedly connected with the bracket; the shift fork front side is equipped with the bolt that sets firmly on the support, and the torsional spring is established to bolt periphery cover, torsional spring upper end and support butt, torsional spring lower extreme and the temperature sensing element butt that sets firmly on the support. The utility model discloses can in time close the door when the conflagration breaing out, and the power consumption of electro-magnet is little, and the reliability is high, with low costs.
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, including a horizontally arranged hollow shell, a horizontally arranged slide block and a horizontally arranged support, the lower surface of the shell is provided with a chute arranged along the length direction, the slide block is slidably arranged in the chute, the upper surface of the slide block is provided with a groove, the support is fixedly arranged in the shell;
a vertically arranged shifting fork and a horizontally arranged lock tongue frame are sequentially connected to the support in a rotating mode from left to right, an electromagnet is arranged on the left side of the shifting fork at intervals, the electromagnet is fixedly arranged on the support, a horizontally arranged first spring is fixedly arranged at the right end of the shell of the electromagnet, the right end of the first spring is fixedly connected with the left end of a horizontally arranged telescopic rod, the right end of the telescopic rod is fixedly connected with the left side of the shifting fork, a limiting groove which is sunken to the left is formed in the upper end of the right side of the shifting fork, the left end of the lock tongue frame is buckled with the limiting groove, and a spring piece is fixedly arranged on the lower surface of the lock tongue frame;
the spring piece comprises a horizontal piece and a bending piece, the horizontal piece is fixedly arranged in the middle of the lower surface of the lock tongue frame through a vertically arranged mounting column, the lower end of the bending piece is fastened with the groove, the upper end of the bending piece is abutted against the right end of the lower surface of the lock tongue frame, a vertically arranged second spring is fixedly arranged in the middle of the upper surface of the lock tongue frame, and the upper end of the second spring is fixedly connected with the support;
the utility model discloses a temperature sensing device, including shift fork, bolt, support, torsional spring, support butt, lower extreme and the heat-sensitive element butt of a level setting, the shift fork front side interval is equipped with the bolt of a vertical setting, the bolt set firmly in on the support, bolt periphery cover is equipped with the torsional spring of a vertical setting, the upper end of torsional spring with the support butt, the lower extreme of torsional spring and the heat-sensitive element butt of a level setting, heat-sensitive element set firmly in.
Furthermore, the electromagnet is electrically connected with a circuit board fixedly arranged on the support, the circuit board is electrically connected with a wiring terminal fixedly arranged on the end cover at the left end of the shell, 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, and the electromagnet can also be electrified to enable the electromagnet to drive the shifting fork to rotate clockwise through the telescopic rod, so that the door can be closed, and people can control the opening and closing of the door according to requirements; in addition, no matter the door is in a normally open state or a closed state, the electromagnet does not need to be electrified, the electromagnet only needs to be electrified at the moment of closing the door, the power consumption is low, and the energy conservation is facilitated, so that the use cost of the door closer is reduced; the torsional spring 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-sectional view illustrating a thermal sensor breaking in case of fire in a door closer positioning and releasing structure 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;
FIG. 5 is a partial cross-sectional view of FIG. 2;
fig. 6 is a partial cross-sectional view of fig. 3.
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. 1-6, 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;
a vertically arranged shifting fork 4 and a horizontally arranged lock tongue frame 5 are sequentially connected to the support 3 in a rotating manner from left to right, an electromagnet 6 is arranged on the left side of the shifting fork 4 at intervals, the electromagnet 6 is fixedly arranged on the support 3, a horizontally arranged first spring 7 is fixedly arranged at the right end of the shell of the electromagnet 6, the right end of the first spring 7 is fixedly connected with the left end of a horizontally arranged telescopic rod 8, the right end of the telescopic rod 8 is fixedly connected with the left side of the shifting fork 4, a leftward recessed limiting groove 41 is formed in the upper end of the right side of the shifting fork 4, the left end of the lock tongue frame 5 is fastened with the limiting groove 41, and a spring piece 9 is fixedly arranged on the lower surface of the;
the spring piece 9 comprises a horizontal piece 91 and a bending piece 92, the horizontal piece 91 is fixedly arranged in the middle of the lower surface of the bolt frame 5 through a vertically arranged mounting column 10, the lower end of the bending piece 92 is buckled with the groove 21, the upper end of the bending piece 92 is abutted against the right end of the lower surface of the bolt frame 5, a vertically arranged second spring 12 is fixedly arranged in the middle of the upper surface of the bolt frame 5, and the upper end of the second spring 12 is fixedly connected with the support 3;
4 front side intervals of shift fork are equipped with the bolt 13 of a vertical setting, and bolt 13 sets firmly on support 3, and 13 periphery covers of bolt are equipped with the torsional spring 14 of a vertical setting, the upper end and the 3 butts of support of torsional spring 14, and the lower extreme of torsional spring 14 and the 15 butts of a heat-sensitive element that the level set up, heat-sensitive element 15 sets firmly on support 3. After the pre-pressing of the torsion spring 14 is completed, the thermal sensitive element 15 limits the lower end of the torsion spring 14, so that the torsion spring 14 cannot reset and keeps a pre-pressing state.
Further, the electromagnet 6 is electrically connected to a circuit board 16 fixed to the bracket 3, the circuit board 16 is electrically connected to a connection terminal 171 fixed to the end cap 17 at the left end of the housing 1, and the connection terminal 171 is electrically connected to a monitoring system (not shown) disposed outside the housing 1. A capacitor (not shown) is arranged on the circuit board 16, and when the monitoring system charges the capacitor, the capacitor is converted into micro-current for power supply; when the circuit board 16 is de-energized, the capacitive element powers the electromagnet 6.
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) door opening mode under normal condition: the door is pushed by force, the connecting arm on the door drives the sliding block 2 to move leftwards, when the inclined plane 22 on the sliding block 2 is abutted to the bending piece 92, the sliding block 2 presses the lower end of the bending piece 92 leftwards to force the bending piece 92 and the horizontal piece 91 to deform, the sliding block 2 continuously presses the lower end of the bending piece 92 leftwards under the action of the door, when the lower end of the bending piece 92 enters the groove 21, the bending piece 92 and the horizontal piece 91 restore to the original state under the action of elastic potential energy, and the sliding block 2 cannot move leftwards in the sliding groove 11, so that the door is positioned at the current position after being opened, and the normally open state is kept.
(2) The first door closing method under normal conditions: the door is pulled by force, the connecting arm on the door drives the sliding block 2 to move rightwards, when the side wall of the groove 21 of the sliding block 2 is abutted to the lower end of the bending piece 92, the sliding block 2 presses the lower end of the bending piece 92 rightwards to force the bending piece 92 and the horizontal piece 91 to deform, the sliding block 2 continuously presses the lower end of the bending piece 92 rightwards under the action of the door, when the lower end of the bending piece 92 is separated from the groove 21, the bending piece 92 and the horizontal piece 91 restore to the original state under the action of elastic potential energy, and the sliding block 2 moves rightwards in the sliding groove 11, so that the door is closed.
(3) The second door closing method under normal conditions: the spout 11 that sets up along its length direction is seted up to casing 1 lower surface, personnel can stir the bottom of shift fork 4 clockwise with the hand through spout 11, make the spacing groove 41 of the upper end on shift fork 4 right side no longer with 5 left end lock joints of spring bolt frame, spring bolt frame 5 anticlockwise rotation under the effect of the elastic potential energy of gravity and second spring 12, thereby drive spring leaf 9 anticlockwise rotation, make the lower extreme of bending piece 92 no longer with the recess 21 lock joint on the slider 2, under the effect of the hydraulic stem of door closer (not shown), slider 2 moves to the right in spout 11, thereby realize closing the door.
(4) The third door closing mode under normal conditions: give 6 circular telegrams of electro-magnet, adsorb telescopic link 8 to a left side after 6 circular telegrams of electro-magnet, telescopic link 8 drives shift fork 4 clockwise rotation, make the spacing groove 41 of the upper end on shift fork 4 right side no longer with 5 left end lock joints of spring bolt frame, spring bolt frame 5 anticlockwise rotation under the effect of the elastic potential energy of gravity and second spring 12, thereby drive spring leaf 9 anticlockwise rotation, make the lower extreme of bending piece 92 no longer with the recess 21 lock joint on the slider 2, under the effect of the hydraulic stem of door closer, slider 2 moves to the right in spout 11, thereby the realization is closed the door. When 6 deenergizations of electro-magnet, 6 no longer adsorb telescopic link 8 to the left of electro-magnet, first spring 7 is the reconversion under the effect of elastic potential energy to drive telescopic link 8 and move right.
(5) Door closing mode when a fire disaster occurs: temperature sensing element 15 breaks along with high temperature, the lower extreme of torsional spring 14 has lost temperature sensing element 15's restriction this moment, 14 anticlockwise rotations of torsional spring under the pre-compaction state, 14 lower extreme of torsional spring is when the right side butt with the fork 4, drive shift fork 4 clockwise turning, make spacing groove 41 of the upper end on shift fork 4 right side no longer with 5 left end lock joints of spring bolt frame, 5 anticlockwise rotations of spring bolt frame under the effect of gravity and the elastic potential energy of second spring 12, thereby drive spring leaf 9 anticlockwise rotation, make the lower extreme of bending piece 92 no longer with the recess 21 lock joint on the slider 2, under the effect of the hydraulic stem of door closer, slider 2 moves right in spout 11, thereby the realization is closed the door.
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 92 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 92 to be separated from the groove 21 on the sliding block 2, the electromagnet 6 can also be electrified, the electromagnet 6 drives the shifting fork 4 to rotate clockwise through the telescopic rod 8, the purpose of closing the door is achieved, and people can control the opening and closing of the door according to requirements; in addition, no matter the door is in a normally open state or a closed state, the electromagnet 6 does not need to be electrified, the electromagnet 6 only needs to be electrified at the moment of closing the door, the power consumption is low, and the energy is saved, so that the use cost of the door closer is reduced; the torsion spring 14 is matched with the thermosensitive element 15, 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;
a vertically arranged shifting fork and a horizontally arranged lock tongue frame are sequentially connected to the support in a rotating mode from left to right, an electromagnet is arranged on the left side of the shifting fork at intervals, the electromagnet is fixedly arranged on the support, a horizontally arranged first spring is fixedly arranged at the right end of the shell of the electromagnet, the right end of the first spring is fixedly connected with the left end of a horizontally arranged telescopic rod, the right end of the telescopic rod is fixedly connected with the left side of the shifting fork, a limiting groove which is sunken to the left is formed in the upper end of the right side of the shifting fork, the left end of the lock tongue frame is buckled with the limiting groove, and a spring piece is fixedly arranged on the lower surface of the lock tongue frame;
the spring piece comprises a horizontal piece and a bending piece, the horizontal piece is fixedly arranged in the middle of the lower surface of the lock tongue frame through a vertically arranged mounting column, the lower end of the bending piece is fastened with the groove, the upper end of the bending piece is abutted against the right end of the lower surface of the lock tongue frame, a vertically arranged second spring is fixedly arranged in the middle of the upper surface of the lock tongue frame, and the upper end of the second spring is fixedly connected with the support;
the utility model discloses a temperature sensing device, including shift fork, bolt, support, torsional spring, support butt, lower extreme and the heat-sensitive element butt of a level setting, the shift fork front side interval is equipped with the bolt of a vertical setting, the bolt set firmly in on the support, bolt periphery cover is equipped with the torsional spring of a vertical setting, the upper end of torsional spring with the support butt, the lower extreme of torsional spring and the heat-sensitive element butt of a level setting, heat-sensitive element set firmly in.
2. A door closer positioning and releasing structure according to claim 1, wherein the electromagnet is electrically connected to a circuit board fixed to the bracket, the circuit board is electrically connected to a terminal block fixed to an end cap at the left end of the housing, and the terminal block is 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 |
|---|---|---|---|
| CN202020515305.7U CN212428396U (en) | 2020-04-10 | 2020-04-10 | Door closer positioning and releasing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020515305.7U CN212428396U (en) | 2020-04-10 | 2020-04-10 | Door closer positioning and releasing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212428396U true CN212428396U (en) | 2021-01-29 |
Family
ID=74295594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020515305.7U Active CN212428396U (en) | 2020-04-10 | 2020-04-10 | Door closer positioning and releasing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212428396U (en) |
-
2020
- 2020-04-10 CN CN202020515305.7U patent/CN212428396U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213297562U (en) | Door closer positioning and releasing structure | |
| CN206337966U (en) | Fireproof door closer | |
| CN212428396U (en) | Door closer positioning and releasing structure | |
| CN209620907U (en) | A kind of smart electronics cabinet lock | |
| CN209679358U (en) | A kind of fire extinguisher cabinet of anti-collision and antitheft function | |
| CN212428395U (en) | Door closer positioning and releasing structure | |
| CN201123965Y (en) | Control device for anti-fire door closer | |
| CN215108265U (en) | Automatic limiting unit of electric door closer | |
| CN111998118A (en) | Transmission line state on-line monitoring device | |
| CN214835578U (en) | Power-saving electric door closer limiting unit | |
| CN107834295A (en) | A kind of SIM ejecting mechanisms of long-distance monitoring and alarming temperature controller | |
| CN205206566U (en) | Fire control linkage door closer | |
| CN213660904U (en) | But block terminal of automated inspection warning | |
| CN216752951U (en) | Control system for greenhouse roller shutter | |
| CN216751949U (en) | Fire control intercom device | |
| CN206071392U (en) | A kind of fire disaster intelligently door lock control system | |
| CN219998773U (en) | Block terminal with intelligent fireproof structure | |
| CN217938990U (en) | Intelligent fire hydrant cabinet for fire engineering | |
| CN2773802Y (en) | Intelligent protective monitor of automatic with drawal device | |
| CN212743717U (en) | Fireproof door and window positioning releaser with temperature control function | |
| CN113309428A (en) | Power-saving electric door closer limiting unit | |
| CN218991397U (en) | Self-sealing security door for fire alarm | |
| CN217241103U (en) | Highway tunnel disaster prevention early warning device starts management device | |
| CN219714565U (en) | Isolating switch temperature monitoring device | |
| CN216617256U (en) | Intelligent fireproof door closer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |