CN212337011U

CN212337011U - Novel prevent fire door electric door closer

Info

Publication number: CN212337011U
Application number: CN202021940943.XU
Authority: CN
Inventors: 刘利平; 蔡峰
Original assignee: Suzhou Aolaisen Electrical Technology Co ltd
Current assignee: Suzhou Aolaisen Electrical Technology Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-01-12
Anticipated expiration: 2030-09-08

Abstract

The utility model relates to a novel fireproof door electric door closer, which comprises a shell, a connecting rod, a chute arranged at the bottom of the shell, a slide block arranged on the chute in a sliding way, a bracket arranged in the shell, a solenoid valve, a release part, a clamping plate and a clamping shaft which are respectively arranged on the bracket; the bracket is provided with a magnetic sensor positioned in the sliding groove; one end of the connecting rod is hinged to the sliding block, and the surface of the connecting rod is provided with a magnet corresponding to the magnetic sensor; the utility model discloses a directly set up magnetic sensor on the support, reducible manufacturing cost, and magnetic sensor is non-contact switch, long service life.

Description

Novel prevent fire door electric door closer

Technical Field

The utility model relates to a door closer field refers in particular to a novel prevent fire door electric door closer.

Background

Fire doors are fire partitions installed in fire passages. The arrangement of the fireproof door is in accordance with the correct regulation according to the national standard GB50016-2014 building design fireproof Specification 6.5.1 of the people's republic of China: 1. the fire door that prevents that the setting often has the current department of people in the building should adopt normally to open prevents fire door, normally opens to prevent that fire door should be able to self-closing when the conflagration to should have signal feedback's function. Although the fire door electric door closer disclosed in prior art 201620644527.2 is provided with the second bracket and the feedback signal switch, the second bracket and the feedback signal switch are disposed at one end far away from the junction box, so that not only is the production cost increased, but also the feedback signal switch is a contact switch, and the service life is relatively short.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of prior art and providing a novel prevent fire door electric door closer.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a novel fireproof door electric door closer comprises a shell, a connecting rod, a sliding chute arranged at the bottom of the shell, a sliding block arranged on the sliding chute in a sliding manner, a bracket arranged in the shell, an electromagnetic valve, a release piece, a clamping plate and a clamping shaft, wherein the electromagnetic valve, the release piece, the clamping plate and the clamping shaft are respectively arranged on the bracket; the top of the sliding block is provided with an arc-shaped groove; the top of the release piece is hinged to the support, the bottom of the release piece is provided with an opening, and one side of the release piece close to the clamping plate is provided with a clamping groove; the driving end of the electromagnetic valve is positioned in the opening of the release piece; the middle part of the clamping plate is hinged on the bracket, one end of the clamping plate can be clamped in the clamping groove of the release part, and a return spring is arranged between the end and the bracket; the other end of the clamping plate is provided with a pressure spring which drives the clamping shaft to be clamped in the arc-shaped groove of the sliding block; the bracket is provided with a magnetic sensor positioned in the sliding groove; one end of the connecting rod is hinged to the sliding block, and a magnet corresponding to the magnetic sensor is arranged on the surface of the connecting rod.

Preferably, a support frame is arranged on the bracket; the support frame is provided with an X-axis long hole which is arranged along the length direction of the sliding chute; the magnetic sensor penetrates through the X-axis long hole and is fixed on the support frame.

Preferably, two side surfaces of the bracket are provided with vertically placed Z-axis long holes; the both ends of card axle slidable respectively set up at two Z axle rectangular downtheholess.

Preferably, one end of the clamping plate, which is close to the releasing piece, is provided with a reset rod which penetrates through the clamping plate; the reset spring is sleeved on the reset rod.

Preferably, the bracket is provided with a limit shaft; the limiting shaft is positioned between the clamping shaft and the reset rod.

Preferably, two ends of the shell are respectively plugged by a junction box and a sealing cover; the terminal box is located the casing and is close to the one end of solenoid valve, the outer end of terminal box is provided with wiring socket, the terminal box passes through the wire and is connected with solenoid valve and magnetic sensor respectively.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

the utility model discloses a directly set up magnetic sensor on the support, reducible manufacturing cost, and magnetic sensor is non-contact switch, long service life.

Drawings

The technical scheme of the utility model is further explained by combining the attached drawings as follows:

fig. 1 is a bottom view of the novel fireproof door electric door closer of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a cross-sectional view of the present invention with the housing removed;

figure 4 is the novel prevent fire door electric door closer's work schematic diagram.

Wherein: 1. a housing; 2. a chute; 3. a connecting rod; 4. a magnet; 5. sealing the cover; 6. a support; 7. a junction box; 8. a support frame; 9. a magnetic sensor; 10. an X-axis elongated hole; 11. a pressure spring; 12. clamping a plate; 13. a return spring; 14. a card slot; 15. a release member; 16. an electromagnetic valve; 17. an opening; 18. a reset lever; 19. a limiting shaft; 20. a slider; 21. and (4) clamping the shaft.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1-4 show the novel fireproof door electric closer of the present invention, which comprises a housing 1, a connecting rod 3, a chute 2 disposed at the bottom of the housing 1, a sliding block 20 slidably disposed on the chute 2, a bracket 6 disposed in the housing 1, a solenoid valve 16, a release member 15, a catch plate 12 and a catch shaft 21, which are respectively mounted on the bracket 6; the top of the sliding block 20 is provided with an arc-shaped groove; the top of the release piece 15 is hinged on the bracket 6, the bottom of the release piece is provided with an opening 17, and one side of the release piece close to the clamping plate 12 is provided with a clamping groove 14; the driving end of the solenoid valve 16 is located in the opening 17 of the release member 15; the middle part of the clamping plate 12 is hinged on the bracket 6, one end of the clamping plate can be clamped in the clamping groove 14 of the releasing piece 15, and a return spring 13 is arranged between the end and the bracket 6; the other end of the clamping plate 12 is provided with a pressure spring 11 which drives the clamping shaft 21 to be clamped in the arc-shaped groove of the sliding block 20; the bracket 6 is provided with a magnetic sensor 9 positioned in the chute 2; one end of the connecting rod 3 is hinged on the sliding block 20, and the surface of the connecting rod is provided with a magnet 4 corresponding to the magnetic sensor 9; when the fire door is in a normally open state: the electromagnetic valve 16 is in a power-off state, one end of the clamping plate 12 is clamped in the clamping groove 14 of the releasing part 15, and the middle part of the clamping plate 12 is hinged on the bracket 6, so that the clamping shaft 21 is driven to be clamped in the arc-shaped groove of the sliding block 20 through the pressure spring 11 at the other end, and the sliding block 20 is locked; when it is desired to close a fire door (e.g. fire): an administrator can energize the electromagnetic valve 16 through the control device, the electromagnetic valve 16 drives the release piece 15 to retract, one end of the clamping plate 12 is separated from the clamping groove 14, the clamping plate 12 is driven to rotate anticlockwise under the action of the reset spring 13, the clamping shaft 21 is separated from the arc-shaped groove of the sliding block 20, the sliding block 20 can slide along the sliding groove 2 at the moment, and when the magnet 4 on the connecting rod 3 reaches the position of the magnetic sensor 9 on the support 6, the magnetic sensor 9 feeds back the in-place signal of the sliding block 20 to the control device through the junction box 7.

Further, a support frame 8 is arranged on the support 6; the support frame 8 is provided with an X-axis long hole 10 which is arranged along the length direction of the sliding chute 2; the magnetic sensor 9 penetrates through the X-axis long hole 10 and is fixed on the support frame 8, so that the position of the magnetic sensor 9 is convenient to adjust, and the machining precision is reduced.

Furthermore, two side surfaces of the bracket 6 are provided with vertically arranged Z-axis long holes; the both ends of card axle 21 slidable respectively set up in two Z axle rectangular holes for card axle 21 is more steady during the motion.

Furthermore, a reset rod 18 penetrating through the clamping plate 12 is arranged at one end of the clamping plate 12 close to the releasing piece 15, so that the clamping plate 12 can be pressed down conveniently, and one end of the clamping plate 12 close to the releasing piece 15 is clamped in the arc-shaped groove of the sliding block 20; the reset spring 13 is sleeved on the reset rod 18, and plays a role in positioning the reset spring 13 to prevent the reset spring 13 from deviating.

Further, a limiting shaft 19 is arranged on the bracket 6; the limiting shaft 19 is located between the clamping shaft 21 and the reset rod 18 and used for limiting the moving range of the sliding block 20.

Further, two ends of the shell 1 are respectively sealed by a junction box 7 and a sealing cover 5; the junction box 7 is located at one end, close to the electromagnetic valve 16, of the shell 1, wires can be saved, a wiring socket is arranged at the outer end of the junction box 7, the junction box is conveniently and quickly connected with the control device, installation efficiency is improved, and the junction box 7 is respectively connected with the electromagnetic valve 16 and the magnetic sensor 9 through the wires.

The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.

Claims

1. The utility model provides a novel prevent fire door electric door closer which characterized in that: comprises a shell, a connecting rod, a sliding chute arranged at the bottom of the shell, a sliding block arranged on the sliding chute in a sliding way, a bracket arranged in the shell, an electromagnetic valve, a release part, a clamping plate and a clamping shaft which are respectively arranged on the bracket; the top of the sliding block is provided with an arc-shaped groove; the top of the release piece is hinged to the support, the bottom of the release piece is provided with an opening, and one side of the release piece close to the clamping plate is provided with a clamping groove; the driving end of the electromagnetic valve is positioned in the opening of the release piece; the middle part of the clamping plate is hinged on the bracket, one end of the clamping plate can be clamped in the clamping groove of the release part, and a return spring is arranged between the end and the bracket; the other end of the clamping plate is provided with a pressure spring which drives the clamping shaft to be clamped in the arc-shaped groove of the sliding block; the bracket is provided with a magnetic sensor positioned in the sliding groove; one end of the connecting rod is hinged to the sliding block, and a magnet corresponding to the magnetic sensor is arranged on the surface of the connecting rod.

2. The novel fire door electric closer of claim 1, characterized in that: the support is provided with a support frame; the support frame is provided with an X-axis long hole which is arranged along the length direction of the sliding chute; the magnetic sensor penetrates through the X-axis long hole and is fixed on the support frame.

3. The novel fire door electric closer of claim 1 or 2, characterized in that: two side surfaces of the bracket are provided with vertically arranged Z-axis long holes; the both ends of card axle slidable respectively set up at two Z axle rectangular downtheholess.

4. The novel fire rated door electric closer of claim 3, wherein: one end of the clamping plate, which is close to the release piece, is provided with a reset rod which penetrates through the clamping plate; the reset spring is sleeved on the reset rod.

5. The novel fire rated door electric closer of claim 4, wherein: the bracket is provided with a limiting shaft; the limiting shaft is positioned between the clamping shaft and the reset rod.

6. The novel fire rated door electric closer of claim 5, wherein: two ends of the shell are respectively plugged by a junction box and a sealing cover; the terminal box is located the casing and is close to the one end of solenoid valve, the outer end of terminal box is provided with wiring socket, the terminal box passes through the wire and is connected with solenoid valve and magnetic sensor respectively.