CN216714173U

CN216714173U - Wooden thermal-insulated fire door closer that prevents

Info

Publication number: CN216714173U
Application number: CN202123255425.1U
Authority: CN
Inventors: 夏建军; 倪琴梅; 陈晓瑜
Original assignee: Danyang Huaming Optics Co ltd
Current assignee: Danyang Huaming Optics Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-06-10
Anticipated expiration: 2031-12-22

Abstract

The utility model belongs to the field of fire doors, in particular to a wooden heat-insulation fire door closer, which comprises a connecting rod, wherein a spiral column is attached to the bottom of the connecting rod, a gasket is fixedly connected to the bottom of the spiral column, a hydraulic rod is fixedly connected below the gasket, a conducting pipe is arranged on one side of the bottom of the hydraulic rod, a concentrating pipe is attached to one side of the conducting pipe, a flow guide pipe is arranged on one side of the concentrating pipe, an oil storage pump is arranged on one side of the flow guide pipe, and a shell is arranged at the front end of the hydraulic rod; through the relation between connecting rod, spiral post, gasket, hydraulic stem, conduction pipe, concentrated pipe, honeycomb duct, oil storage pump, casing, the guard plate, can control the device wholly can be when using in the later stage through the hydraulic stem, can pour into and shrink through oil storage pump control hydraulic oil to control the hydraulic stem wholly to stretch out and draw back, thereby control the connecting rod wholly to stretch out and draw back, thereby control this door closer wholly can carry out the control of stretching out and drawing back, and is very convenient.

Description

Wooden thermal-insulated fire door closer that prevents

Technical Field

The utility model relates to the field of fire doors, in particular to a wooden heat-insulation fire door closer.

Background

The fire-fighting department economic department designates and approves the laboratory, according to the national standard of the new fire-proof door implemented from 1 month and 1 day in 2009, the fire-proof door test method tests to be qualified, and the fire-proof door is called as a fire-proof door by obtaining the certification and verification login certificate and the authorization identifier of the institute of economic department standard, and when the fire-proof door is used, the door closer is generally arranged, so that the automatic door closing can be realized, and the fire spreading is prevented.

When the existing door closer is used, the integral telescopic connecting mechanism cannot adjust the length, is not convenient enough, cannot automatically control the telescopic opening and closing when in use, is not convenient enough, and is inconvenient to disassemble and overhaul when in use;

therefore, a wooden heat insulation fireproof door closer is provided to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects of the prior art and solve the problems that the integral telescopic connecting mechanism cannot adjust the length, is not convenient enough, cannot automatically control the telescopic opening and closing when in use, is not convenient enough, and is inconvenient to disassemble and maintain when in use, the utility model provides the wooden heat-insulation fireproof door closer.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model discloses a wooden heat-insulation fireproof door closer, which comprises a connecting rod, wherein a spiral column is attached to the bottom of the connecting rod, a gasket is fixedly connected to the bottom of the spiral column, a hydraulic rod is fixedly connected to the lower portion of the gasket, a conducting pipe is arranged on one side of the bottom of the hydraulic rod, a centralized pipe is attached to one side of the conducting pipe, a flow guide pipe is arranged on one side of the centralized pipe, an oil storage pump is arranged on one side of the flow guide pipe, a shell is arranged at the front end of the hydraulic rod, and a protection plate is arranged at the front end of the shell.

Preferably, the bottom of the shell is fixedly connected with a supporting column, the bottom of the supporting column is fixedly connected with a supporting seat, and a positioning pin is fixedly connected below the supporting seat.

Preferably, a rotating cylinder is arranged above the connecting rod, a sleeve is arranged on one side of the rotating cylinder, a nut is arranged on one side of the sleeve, and a threaded rod is movably connected to one side of the nut.

Preferably, one side of the threaded rod is fixedly connected with a screw rod, a fixing bolt penetrates through the front end of the screw rod, a base plate is arranged on one side of the fixing bolt, and a mortise and tenon joint screw is fixedly connected to the bottom of the base plate.

Preferably, the threaded rod forms a telescopic structure through a nut and a sleeve, and the sleeve forms a rotating structure through a rotating cylinder and a connecting rod.

Preferably, the connecting rod passes through to constitute detachable construction between gasket and the hydraulic stem, and coincides mutually between the axis of hydraulic stem and the axis of casing, and formula structure as an organic whole between hydraulic stem and the conduction pipe.

Preferably, the connecting rod is in spiral connection with the spiral column, and the spiral column forms a telescopic structure with the shell through the hydraulic rod.

Preferably, the backing plate passes through to constitute detachable construction between fixing bolt and the lead screw, and the mortise and tenon screw passes through the backing plate and constitutes the structure that runs through.

The utility model has the advantages that:

1. according to the utility model, through the relation among the connecting rod, the spiral column, the gasket, the hydraulic rod, the conducting pipe, the concentrating pipe, the flow guide pipe, the oil storage pump, the shell and the protection plate, when the device is used, the whole device can be controlled by the hydraulic rod to be used at the later stage, hydraulic oil can be injected and contracted by the oil storage pump, so that the whole hydraulic rod is controlled to be stretched and contracted, the whole connecting rod is controlled to be stretched and contracted, the whole door closer can be controlled to be stretched and contracted, the device is very convenient and fast, meanwhile, hydraulic recovery is adopted, the fireproof door can be effectively protected from being impacted, and the use safety is guaranteed;

2. according to the utility model, through the relationship among the shell, the protection plate and the support column, when the door closer is used, the protection door can prevent impurities in the external environment from entering the device, and simultaneously can prevent water vapor from entering the door closer, so that the service life is prolonged, and the whole support can be controlled to be installed and fixed through the positioning pin, so that the door closer is very convenient and fast.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art 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 for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic view of the hydraulic ram of the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 2A according to the present invention;

FIG. 5 is a schematic view of the structure of the drum of the present invention.

In the figure: 1. fixing the bolt; 2. a screw rod; 3. a threaded rod; 4. a nut; 5. a sleeve; 6. a rotating drum; 7. a connecting rod; 8. a housing; 9. an oil storage pump; 10. a flow guide pipe; 11. a pillar; 12. positioning pins; 13. a protection plate; 14. a support; 15. a base plate; 16. mortise and tenon bolts; 17. a helical column; 18. a concentration pipe; 19. a conducting tube; 20. a gasket; 21. a hydraulic rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a wooden heat-insulating fireproof door closer includes a connecting rod 7, a spiral column 17 is attached to the bottom of the connecting rod 7, a gasket 20 is fixedly connected to the bottom of the spiral column 17, a hydraulic rod 21 is fixedly connected to the lower portion of the gasket 20, a conducting pipe 19 is disposed on one side of the bottom of the hydraulic rod 21, a concentrating pipe 18 is attached to one side of the conducting pipe 19, a flow guide pipe 10 is disposed on one side of the concentrating pipe 18, an oil storage pump 9 is disposed on one side of the flow guide pipe 10, a housing 8 is disposed at the front end of the hydraulic rod 21, and a protection plate 13 is disposed at the front end of the housing 8.

In this embodiment, the bottom of the housing 8 is fixedly connected with the pillar 11, the bottom of the pillar 11 is fixedly connected with the support 14, and the lower part of the support 14 is fixedly connected with the positioning pin 12, so that the pillar 11 can be effectively controlled to support the upper housing 8 when in use through the relation between the housing 8 and the pillar 11 and the support 14, and the case of fracture cannot occur when in later use.

This embodiment, connecting rod 7's top is provided with rotary drum 6, and one side of rotary drum 6 is provided with sleeve 5, and one side of sleeve 5 is provided with nut 4, and one side swing joint of nut 4 has threaded rod 3, through the relation between connecting rod 7 and the rotary drum 6, when using, can rotate through rotary drum 6 control connecting rod 7 and sleeve 5 whole, and is very convenient.

This embodiment, one side fixedly connected with lead screw 2 of threaded rod 3, the front end of lead screw 2 runs through there is fixing bolt 1, and one side of fixing bolt 1 is provided with backing plate 15, and the bottom fixedly connected with tenon fourth of twelve earthly branches screw 16 of backing plate 15 through the relation between threaded rod 3 and the lead screw 2, when using, the cracked condition is difficult for appearing between lead screw 2 and the threaded rod 3.

This embodiment, threaded rod 3 passes through to constitute extending structure between nut 4 and the sleeve 5, and sleeve 5 passes through to constitute revolution mechanic between rotary drum 6 and the connecting rod 7, through the relation between threaded rod 3 and nut 4 and the sleeve 5, when using, can control the device and can adjust the length of 3 one sides of threaded rod, the later stage adaptation of being convenient for is different prevents fire door.

In this embodiment, connecting rod 7 passes through and constitutes detachable construction between gasket 20 and the hydraulic stem 21, and coincides between the axis of hydraulic stem 21 and the axis of casing 8 mutually, and formula structure as an organic whole between hydraulic stem 21 and the conduction pipe 19, through the relation between connecting rod 7 and the hydraulic stem 21, when using, can control the device connecting rod 7 wholly can be when using in the later stage, dismantles the change, and is very convenient.

This embodiment is threaded connection between connecting rod 7 and the spiral post 17, and spiral post 17 passes through to constitute extending structure between hydraulic stem 21 and the casing 8, through the relation between connecting rod 7 and the spiral post 17, and the later stage of being convenient for is dismantled between spiral post 17 and the connecting rod 7 and is changed when using, and is very convenient.

This embodiment, backing plate 15 constitutes detachable construction through between fixing bolt 1 and the lead screw 2, and tenon fourth of twelve earthly branches screw 16 constitutes through backing plate 15 and runs through the structure, through the relation between backing plate 15 and fixing bolt 1 and the lead screw 2, when using, can carry out periodical dismantlement change, and is very convenient to backing plate 15 is whole.

The theory of operation, with the device before using, at first with this door closer support 14 one side laminating door frame body, then laminate backing plate 15 and door plant, then be connected fixedly through mortise and tenon screw 16 and wooden fire door, then when using, hydraulic stem 21 can control connecting rod 7 wholly to stretch out and draw back to can control this door closer fire door and can open and shut and close, this is the theory of operation of the device.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. The utility model provides a wooden thermal-insulated fire door closer that prevents, its characterized in that: including connecting rod (7), the bottom laminating of connecting rod (7) has spiral post (17), bottom fixedly connected with gasket (20) of spiral post (17), below fixedly connected with hydraulic stem (21) of gasket (20), bottom one side of hydraulic stem (21) is provided with conduction pipe (19), the laminating of one side of conduction pipe (19) has concentrated pipe (18), one side of concentrating pipe (18) is provided with honeycomb duct (10), one side of honeycomb duct (10) is provided with oil storage pump (9), the front end of hydraulic stem (21) is provided with casing (8), the front end of casing (8) is provided with guard plate (13).

2. The wooden heat insulation fireproof door closer of claim 1, wherein: the bottom fixedly connected with pillar (11) of casing (8), the bottom fixedly connected with support (14) of pillar (11), the below fixedly connected with locating pin (12) of support (14).

3. The wooden heat insulation fireproof door closer of claim 1, characterized in that: the rotary drum type hydraulic cylinder is characterized in that a rotary drum (6) is arranged above the connecting rod (7), a sleeve (5) is arranged on one side of the rotary drum (6), a nut (4) is arranged on one side of the sleeve (5), and a threaded rod (3) is movably connected to one side of the nut (4).

4. The wooden heat insulation fireproof door closer of claim 3, wherein: one side fixedly connected with lead screw (2) of threaded rod (3), fixing bolt (1) has been run through to the front end of lead screw (2), one side of fixing bolt (1) is provided with backing plate (15), the bottom fixedly connected with tenon fourth of the twelve earthly branches screw (16) of backing plate (15).

5. The wooden heat insulation fire door closer of claim 3, wherein: the threaded rod (3) forms a telescopic structure through the nut (4) and the sleeve (5), and the sleeve (5) forms a rotating structure through the rotating cylinder (6) and the connecting rod (7).

6. The wooden heat insulation fireproof door closer of claim 1, wherein: connecting rod (7) pass through and constitute detachable construction between gasket (20) and hydraulic stem (21), and coincide mutually between the axis of hydraulic stem (21) and the axis of casing (8), and formula structure as an organic whole between hydraulic stem (21) and conduction pipe (19).

7. The wooden heat insulation fireproof door closer of claim 1, wherein: the connecting rod (7) is in spiral connection with the spiral column (17), and the spiral column (17) forms a telescopic structure with the shell (8) through the hydraulic rod (21).

8. The wooden heat insulation fire door closer of claim 4, wherein: the backing plate (15) forms a detachable structure through the fixing bolt (1) and the screw rod (2), and the mortise and tenon bolt (16) forms a penetrating structure through the backing plate (15).