CN213297562U - Door closer positioning and releasing structure - Google Patents

Door closer positioning and releasing structure Download PDF

Info

Publication number
CN213297562U
CN213297562U CN202021227733.6U CN202021227733U CN213297562U CN 213297562 U CN213297562 U CN 213297562U CN 202021227733 U CN202021227733 U CN 202021227733U CN 213297562 U CN213297562 U CN 213297562U
Authority
CN
China
Prior art keywords
spring
door
door closer
shell
groove
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
Application number
CN202021227733.6U
Other languages
Chinese (zh)
Inventor
肖贻勇
陈俊辉
余远锟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Zhongtianming Fire Technology Co ltd
Original Assignee
Shenzhen Zhongtianming Fire Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Zhongtianming Fire Technology Co ltd filed Critical Shenzhen Zhongtianming Fire Technology Co ltd
Priority to CN202021227733.6U priority Critical patent/CN213297562U/en
Application granted granted Critical
Publication of CN213297562U publication Critical patent/CN213297562U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Special Wing (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 electromagnet is electrically connected with a circuit board, the circuit board is electrically connected with a monitoring system, a first spring is fixedly arranged at the right end of the electromagnet, the right end of the first spring is fixedly connected with the left end of a telescopic rod, the right end of the telescopic rod is fixedly connected with the left side of the shifting fork, the left end of the spring bolt frame is fastened with a limiting groove at the upper end of the right side of the shifting fork, a second spring is fixedly arranged on the upper surface of the spring bolt frame, the top of the second spring is fixedly connected with the support, a mounting groove is formed in; the utility model discloses make the door be in normally open state, effectively reduce the frequency of use of hydraulic stem, the life of extension door closer 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

Door closer positioning and releasing structure
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 opening positioning 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 and is electrically connected with a circuit board fixedly arranged on the support, the circuit board is electrically connected with a monitoring system arranged outside the shell, 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, and a limiting groove which is recessed towards the left is formed in the upper end of the right side of the shifting fork;
the left end of spring bolt frame with the spacing groove lock joint, the middle part of spring bolt frame upper surface sets firmly the second spring of a vertical setting, the top of second spring with support fixed connection, the mounting groove that an opening is down has been seted up to the right-hand member of spring bolt frame, the third spring of a vertical setting has set firmly in the mounting groove, the bottom of third spring and the spring bolt upper surface fixed connection of a vertical setting, the lower extreme protrusion of spring bolt in the mounting groove and with the recess lock joint.
Further, the right-hand member threaded connection of spring bolt frame has the fastener of a vertical setting, the lower extreme of fastener run through the mounting groove with spring bolt fixed connection, the third spring housing is located the periphery at fastener middle part.
Further, the fastening piece is a threaded column, and the upper end of the fastening piece is connected with a nut in a threaded mode.
Specifically, the left end of slider upper surface is equipped with a first spigot surface, the lower extreme of spring bolt be equipped with one with first spigot surface complex second spigot surface, the lower surface of slider sets firmly 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 lock tongue 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 lock tongue to be separated from the groove in the sliding block, the electromagnet can also be electrified, and the electromagnet drives 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 electromagnet is electrically connected with the circuit board, and the circuit board is electrically connected with the monitoring system, so that the door can be timely closed by the door closer when a fire disaster happens, 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 cross-sectional view of a door closer positioning and releasing structure provided by an embodiment of the present invention when the door is in a normally open state;
fig. 3 is a cross-sectional view of a door closer positioning and releasing structure according to an embodiment of the present invention when a fire occurs and the door is automatically closed;
fig. 4 is a 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;
a vertically arranged shifting fork 4 and a horizontally arranged bolt frame 5 are sequentially and rotatably connected on the bracket 3 from left to right, an electromagnet 6 is arranged at the left side of the shifting fork 4 at intervals, the electromagnet 6 is fixedly arranged on the bracket 3, the electromagnet 6 is electrically connected with a circuit board 7 fixedly arranged on the bracket 3, the circuit board 7 is electrically connected with a monitoring system (not shown) arranged outside the shell, a capacitance element (not shown) is arranged on the circuit board 7, when the monitoring system finishes charging the capacitor element, the capacitor element is converted into micro-current for power supply, and when the circuit board 7 is powered off, the capacitor element supplies power to the electromagnet 6, a horizontally arranged first spring 8 is fixedly arranged at the right end of the shell of the electromagnet 6, the right end of the first spring 8 is fixedly connected with the left end of a horizontally arranged telescopic rod 9, the right end of the telescopic rod 9 is fixedly connected with the left side of the shifting fork 4, and the upper end of the right side of the shifting fork 4 is provided with a limiting groove 41 which is recessed towards the left;
the left end and the spacing groove 41 lock joint of spring bolt frame 5, the middle part of spring bolt frame 5 upper surface sets firmly the second spring 10 of a vertical setting, the top and the support 3 fixed connection of second spring 10, a mounting groove 51 that opens down is seted up to the right-hand member of spring bolt frame 5, the third spring 12 of a vertical setting has set firmly in mounting groove 51, the bottom of third spring 12 and the 13 last fixed surface of spring bolt of a vertical setting are connected, the lower extreme protrusion of spring bolt 13 in mounting groove 51 and with recess 21 lock joint.
Further, the right end of the bolt frame 5 is in threaded connection with a vertically arranged fastener 14, the lower end of the fastener 14 penetrates through the installation groove 51 to be fixedly connected with the bolt 13, the third spring 12 is sleeved on the periphery of the middle of the fastener 14, and the elastic force of the third spring 12 and the height of the bolt 13 protruding out of the installation groove 51 can be adjusted by rotating the fastener 14.
Further, the fastener 14 is a threaded post to facilitate rotation of the fastener 14 by a user, and a nut 15 is threadedly coupled to an upper end of the fastener 14 to further secure the fastener 14.
Specifically, the left end of the upper surface of the sliding block 2 is provided with a first guide surface 22, the lower end of the bolt 13 is provided with a second guide surface 131 matched with the first guide surface 22, so as to ensure smooth opening of the door, and the lower surface of the sliding block 2 is fixedly provided with a boss 23, 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 forcibly, the sliding block 2 is driven to move leftwards through a connecting arm on the door, when a first guide surface 22 on the sliding block 2 is abutted to a second guide surface 131 of the bolt 13, the sliding block 2 presses the lower end of the bolt 13 leftwards to force the bolt 13 to move upwards, the bolt 13 moves upwards in the mounting groove 51 and presses the third spring 12, the third spring 12 is deformed, the sliding block 2 continuously presses the lower end of the bolt 13 leftwards under the action of the door, the bolt 13 continuously presses the third spring 12, when the sliding block 2 does not press the bolt 13 any more, the third spring 12 restores the original state under the action of elastic potential energy, the lower end of the bolt 13 is pushed out of the mounting groove 51 and enters the groove 21, the sliding block 2 cannot move leftwards in the sliding groove 11, the door is positioned at the current position after the door is opened, and the normally open state is kept.
(2) The first door closing method under normal conditions: the door is pulled by force, the slide block 2 is driven to move right through a connecting arm on the door, when the side wall of the groove 21 of the slide block 2 is abutted to the lower end of the bolt 13, the slide block 2 presses the lower end of the bolt 13 rightwards to force the bolt 13 to move upwards, the bolt 13 moves upwards in the mounting groove 51 and presses the third spring 12 to enable the third spring 12 to deform, the slide block 2 continuously presses the lower end of the bolt 13 rightwards under the action of the door, the bolt 13 continuously presses the third spring 12, when the lower end of the bolt 13 is separated from the groove 21, the third spring 12 restores the original state under the action of elastic potential energy, the lower end of the bolt 13 is pushed out of the mounting groove 51, and the slide block 2 moves rightwards in the sliding.
(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 10, thereby drive spring bolt 13 anticlockwise rotation, make the lower extreme of spring bolt 13 no longer with the recess 21 lock joint on the slider 2, under the effect of the hydraulic stem (not shown) of door closer, slider 2 moves to the right in spout 11, thereby the realization is closed the door.
(4) The third door closing mode under normal conditions: circuit board 7 is the power supply of electro-magnet 6, adsorb telescopic link 9 to a left side after the 6 circular telegrams of electro-magnet, telescopic link 9 drives 4 clockwise rotations of shift fork, make the spacing groove 41 of the upper end on 4 right sides of shift fork no longer with 5 left end lock joints of spring bolt frame, spring bolt frame 5 is anticlockwise rotatory under the effect of the elastic potential energy of gravity and second spring 10, thereby drive spring bolt 13 anticlockwise rotation, make the lower extreme of spring bolt 13 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, electro-magnet 6 no longer adsorbs telescopic link 9 left, and first spring 8 is the reconversion under the effect of elastic potential energy to drive telescopic link 9 and move right.
(5) Door closing mode when a fire disaster occurs: monitoring system discovers when the conflagration, monitoring system sends the instruction and gives circuit board 7, circuit board 7 is the power supply of electro-magnet 6, adsorb telescopic link 9 to the left side after electro-magnet 6 circular telegram, telescopic link 9 drives 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, spring bolt frame 5 anticlockwise rotation under the effect of gravity and the elastic potential energy of second spring 10, thereby drive spring bolt 13 anticlockwise rotation, make the lower extreme of spring bolt 13 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 realize automatic closing the door. When 6 deenergizations of electro-magnet, electro-magnet 6 no longer adsorbs telescopic link 9 left, and first spring 8 is the reconversion under the effect of elastic potential energy to drive telescopic link 9 and move right.
The embodiment of the utility model provides a door closer location and release structure's technological effect is: when the lower end of the lock tongue 13 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 lock tongue 13 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 9, 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 electromagnet 6 is electrically connected with the circuit board 7, and the circuit board 7 is electrically connected with the monitoring system, so that the door can be timely closed by controlling the door closer when a fire disaster happens, 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 (5)

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 and is electrically connected with a circuit board fixedly arranged on the support, the circuit board is electrically connected with a monitoring system arranged outside the shell, 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, and a limiting groove which is recessed towards the left is formed in the upper end of the right side of the shifting fork;
the left end of spring bolt frame with the spacing groove lock joint, the middle part of spring bolt frame upper surface sets firmly the second spring of a vertical setting, the top of second spring with support fixed connection, the mounting groove that an opening is down has been seted up to the right-hand member of spring bolt frame, the third spring of a vertical setting has set firmly in the mounting groove, the bottom of third spring and the spring bolt upper surface fixed connection of a vertical setting, the lower extreme protrusion of spring bolt in the mounting groove and with the recess lock joint.
2. The door closer positioning and releasing structure according to claim 1, wherein a vertically arranged fastener is in threaded connection with the right end of the bolt frame, the lower end of the fastener penetrates through the mounting groove to be fixedly connected with the bolt, and the third spring is sleeved on the periphery of the middle part of the fastener.
3. A door closer positioning and releasing structure according to claim 2, wherein the fastening member is a threaded post, and a nut is threadedly connected to an upper end of the fastening member.
4. The door closer positioning and releasing structure according to claim 1, wherein a first guide surface is provided at a left end of an upper surface of the slider, a second guide surface engaged with the first guide surface is provided at a lower end of the latch, and a boss is fixedly provided at a lower surface of the slider.
5. A door closer positioning and releasing structure according to claim 1, wherein the housing is a hollow rectangular parallelepiped.
CN202021227733.6U 2020-06-29 2020-06-29 Door closer positioning and releasing structure Active CN213297562U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021227733.6U CN213297562U (en) 2020-06-29 2020-06-29 Door closer positioning and releasing structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021227733.6U CN213297562U (en) 2020-06-29 2020-06-29 Door closer positioning and releasing structure

Publications (1)

Publication Number Publication Date
CN213297562U true CN213297562U (en) 2021-05-28

Family

ID=76018581

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021227733.6U Active CN213297562U (en) 2020-06-29 2020-06-29 Door closer positioning and releasing structure

Country Status (1)

Country Link
CN (1) CN213297562U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114016847A (en) * 2021-10-27 2022-02-08 济南本安科技发展有限公司 Prevent fire door electromagnetic switch controlgear
CN114408265A (en) * 2022-02-24 2022-04-29 珠海市维启自动化设备有限公司 Vacuum powder filling device and system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114016847A (en) * 2021-10-27 2022-02-08 济南本安科技发展有限公司 Prevent fire door electromagnetic switch controlgear
CN114408265A (en) * 2022-02-24 2022-04-29 珠海市维启自动化设备有限公司 Vacuum powder filling device and system
CN114408265B (en) * 2022-02-24 2024-01-12 珠海市维启自动化设备有限公司 Vacuum powder filling device and system

Similar Documents

Publication Publication Date Title
CN213297562U (en) Door closer positioning and releasing structure
CN206337966U (en) Fireproof door closer
CN101328776A (en) Device for automatically controlling slide door lock
CN110847713A (en) Manual-automatic integrated automatic lock-falling device
CN111877883A (en) Electronic lock mechanism of electronic stop board
CN204782476U (en) Prevent fire door door closer
CN212428396U (en) Door closer positioning and releasing structure
WO2020133824A1 (en) Electric opening/closing door device having clutch device
CN212428395U (en) Door closer positioning and releasing structure
CN203022452U (en) Electric lock for half-height safety door
CN2763444Y (en) Automatic smoke exhausting window
CN214835578U (en) Power-saving electric door closer limiting unit
CN103643852B (en) Automatic opening/closing device for electric window
CN209891932U (en) Novel manual window that closes of control by temperature change device
CN110080474B (en) Electric skylight mechanism for closed cold channel of IDC machine room
CN211237078U (en) Intelligent security and protection integrated monitoring system
CN110242144B (en) Rainy day door and window safety protection and reminding device
CN206397326U (en) Fire resistant doorsets positioning release railroad
CN110660597A (en) Intelligent 5G switch with conveniently-disassembled shell
CN215889696U (en) Energy-saving door closer
CN108447730A (en) A kind of novel energy-conserving monitoring device
CN113309428A (en) Power-saving electric door closer limiting unit
CN212583461U (en) Electronic lock mechanism of electronic stop board
CN113848352B (en) On-off device with voltage stability detection function for household electrical appliance
CN209461836U (en) A kind of low-voltage cabinet of new-type rolling device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant