CN208329991U - A kind of fire-proof door closer - Google Patents
A kind of fire-proof door closer Download PDFInfo
- Publication number
- CN208329991U CN208329991U CN201820681788.0U CN201820681788U CN208329991U CN 208329991 U CN208329991 U CN 208329991U CN 201820681788 U CN201820681788 U CN 201820681788U CN 208329991 U CN208329991 U CN 208329991U
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- CN
- China
- Prior art keywords
- push rod
- pushing block
- ratchet
- fire
- fixedly connected
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- 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.)
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Abstract
The utility model discloses a kind of fire-proof door closers, including shell, left push rod, hydraulic cylinder, left pushing block and ratchet, fixed block is provided on the left of the shell, right push rod and rotation connection are provided with below fixed block, the left push rod bottom is provided with connecting shaft, right push rod bottom is plugged in connecting shaft and is rotatablely connected, it is provided with gear at the top of the left push rod and is fixedly connected, rack gear and engagement connection are provided with above gear, rack gear is arranged in guide rail, the left pushing block left end is provided with the first spring, first spring left end is fixedly connected with rope, the ratchet is arranged in guide rail left, reel is provided on rear side of ratchet, rope left end is plugged in reel and is fixedly connected, positioning pipe is provided with below the ratchet, the utility model designs advantages of simple in structure, when smoke detector detects smog, rotary electric machine band Dynamic ratchet wheel pulls left pushing block to be in door and closes state, prevent fire spreading to make rope on reel.
Description
Technical field
The utility model relates to a kind of door closer, specifically a kind of fire-proof door closer.
Background technique
Door closer is a hydraulic press for a upper spring-like, can be by discharging after compressing, certainly by door after door is opened
It is dynamic to shut, play the role of as single or double acting door, it is ensured that after door is turned on, accurately, timely closes and arrive initial position.
Current structural fire protection fire escape fire resistant doorsets, major function are that isolation fire behavior and personnel are played when fire alarm occurs
Escape effect, and fire-proof door closer is installed on door, play the role of automatic door-closing, still, such door closer does not have fire prevention
Function, fire cannot allow fire resistant doorsets holding to close state when occurring, to prevent fire spreading.Therefore, those skilled in the art mention
A kind of fire-proof door closer is supplied, to solve the problems mentioned in the above background technology.
Summary of the invention
The purpose of this utility model is to provide a kind of fire-proof door closers, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions:
A kind of fire-proof door closer, including shell, left push rod, hydraulic cylinder, left pushing block and ratchet, the shell left side are provided with
Fixed block, fixed block lower section are provided with right push rod and rotation connection, and the left push rod bottom is provided with connecting shaft, right push rod bottom
It is plugged in connecting shaft and is rotatablely connected, be provided with gear at the top of the left push rod and be fixedly connected, setting is with teeth above gear
Item and engagement connection, in guide rail, guide rail is arranged inside the shell and is fixedly connected for rack gear setting, the rack gear upper center setting
There is left pushing block, is provided with right pushing block on the right side of left pushing block, push rod is provided between left pushing block and right pushing block and is fixedly connected, right pushing block
Right end is provided with piston and engagement connection, and in guide rail upper right side, right pushing block and piston are plugged in hydraulic for hydraulic cylinder setting
In cylinder；
The left pushing block left end is provided with the first spring, and the first spring left end is fixedly connected with rope, the ratchet setting
In guide rail left, reel is provided on rear side of ratchet, rope left end is plugged in reel and is fixedly connected, below the ratchet
It is provided with positioning pipe, locating rod is inserted in positioning pipe, boss, the boss and positioning pipe top are provided with below locating rod
Between be provided with second spring and be fixedly connected, be provided with electromagnet below the positioning pipe.
As a further solution of the present invention: the fixed block is fixed by screws on door, shell passes through screw
It is fixed on doorframe.
Smoke detector is provided between the fixed block and shell as a further solution of the present invention,.
The left push rod is in " L " font as a further solution of the present invention,.
It is provided with shaft on rear side of the gear as a further solution of the present invention, and is plugged in shell rear wall
It is interior.
Rotary electric machine is provided on front side of the ratchet as a further solution of the present invention,.
Compared with prior art, the utility model has the beneficial effects that
The utility model designs advantages of simple in structure, uses easy to operate, and practicability is very high, when use
It is rotated by left push rod and right push rod band moving gear, so that the left pushing block of rack drives and piston be made to move right, increases hydraulic cylinder
Pressure, hand leave behind the door, release piston to the left by hydraulic oil in hydraulic cylinder, so that gear be made to rotate counterclockwise, and then pass through
Left push rod and right push rod are closed the door, and realize automatic door-closing function, and at closing time, the first spring can increase dynamics at closing time, work as cigarette
When Fog detector detects smog, rotary electric machine drives ratchet wheel to pull left pushing block to make to make rope on reel
Door is in and closes state, prevents fire spreading.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of fire-proof door closer.
Fig. 2 is a kind of front view of fire-proof door closer.
Fig. 3 is a kind of structural schematic diagram of ratchet in fire-proof door closer.
In figure: 1- shell, 2- smoke detector, 3- fixed block, the right push rod of 4-, 5- connecting shaft, the left push rod of 6-, 7- are hydraulic
Cylinder, 8- piston, the right pushing block of 9-, 10- push rod, the left pushing block of 11-, the first spring of 12-, 13- rope, 14- guide rail, 15- gear, 16-
Rack gear, 17- positioning pipe, 18- boss, 19- second spring, 20- locating rod, 21- ratchet, 22- reel, 23- electromagnet.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1~3, in the utility model embodiment, a kind of fire-proof door closer, including it is shell 1, left push rod 6, hydraulic
Cylinder 7, left pushing block 11 and ratchet 21 are provided with fixed block 3 on the left of the shell 1, and right push rod 4 is provided with below fixed block 3 and is turned
Dynamic connection, left 6 bottom of push rod are provided with connecting shaft 5, and right 4 bottom of push rod is plugged in connecting shaft 5 and is rotatablely connected, described
It is provided with gear 15 at the top of left push rod 6 and is fixedly connected, rack gear 16 is provided with above gear 15 and engagement connection, rack gear 16 are set
It sets in guide rail 14, guide rail 14 is arranged in shell 1 and is fixedly connected, and 16 upper center of rack gear is provided with left pushing block 11,
It is provided with right pushing block 9 on the right side of left pushing block 11, push rod 10 is provided between left pushing block 11 and right pushing block 9 and is fixedly connected, right pushing block 9
Right end is provided with piston 8 and engagement connection, the hydraulic cylinder 7 are arranged in 14 upper right side of guide rail, and right pushing block 9 and piston 8 plug
In hydraulic cylinder 7；
11 left end of left pushing block is provided with the first spring 12, and 12 left end of the first spring is fixedly connected with rope 13, described
The setting of ratchet 21 is provided with reel 22 on rear side of 14 left of guide rail, ratchet 21,13 left end of rope be plugged in reel 22 and
It is fixedly connected, positioning pipe 17 is provided with below the ratchet 21, locating rod 20 is inserted in positioning pipe 17, is set below locating rod 20
It is equipped with boss 18, second spring 19 is provided between the boss 18 and 17 top of positioning pipe and is fixedly connected, the positioning pipe
17 lower sections are provided with electromagnet 23.
The fixed block 3 is fixed by screws on door, and shell 1 is fixed by screws on doorframe.
Smoke detector 2 is provided between the fixed block 3 and shell 1.
The left push rod 6 is in " L " font.
Shaft is provided on rear side of the gear 15 and is plugged in 1 rear wall of shell.
Rotary electric machine is provided on front side of the ratchet 21.
The working principle of the utility model is:
The utility model relates to a kind of fire-proof door closer, when enabling, door drives fixed block 3 to move downwards, to drive
Left push rod 6 and right push rod 4 rotate in a clockwise direction, to make gear 15 rotate, and to the right with carry-over bar 16 and left pushing block 11
Side is mobile, and then moves right pushing block 9 and piston 8 to the right, and after unclamping door, hydraulic oil pushes left pushing block in hydraulic cylinder 7
11 and right pushing block 9 move to the left, so that gear 15 be made to rotate counterclockwise, door is shut, when smoke detector detects smog
When, rotary electric machine drives ratchet 21 to rotate, to make rope 13 on reel 22, pulls left pushing block to be in door and closes
State prevents fire spreading.
The utility model designs advantages of simple in structure, uses easy to operate, and practicability is very high, when use
It is rotated by left push rod and right push rod band moving gear, so that the left pushing block of rack drives and piston be made to move right, increases hydraulic cylinder
Pressure, hand leave behind the door, release piston to the left by hydraulic oil in hydraulic cylinder, so that gear be made to rotate counterclockwise, and then pass through
Left push rod and right push rod are closed the door, and realize automatic door-closing function, and at closing time, the first spring can increase dynamics at closing time, work as cigarette
When Fog detector detects smog, rotary electric machine drives ratchet wheel to pull left pushing block to make to make rope on reel
Door is in and closes state, prevents fire spreading.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of fire-proof door closer, including shell (1), left push rod (6), hydraulic cylinder (7), left pushing block (11) and ratchet (21),
It is characterized in that, is provided with fixed block (3) on the left of the shell (1), right push rod (4) is provided with below fixed block (3) and rotation connects
It connecing, left push rod (6) bottom is provided with connecting shaft (5), and right push rod (4) bottom is plugged in connecting shaft (5) and is rotatablely connected,
It is provided with gear (15) at the top of the left push rod (6) and is fixedly connected, rack gear (16) is provided with above gear (15) and engagement connects
It connects, rack gear (16) setting is in guide rail (14), and guide rail (14) setting is in shell (1) and is fixedly connected, on the rack gear (16)
Side middle part is provided with left pushing block (11), is provided with right pushing block (9) on the right side of left pushing block (11), left pushing block (11) and right pushing block (9) it
Between be provided with push rod (10) and be fixedly connected, right pushing block (9) right end is provided with piston (8) and engagement connection, the hydraulic cylinder (7)
Setting is plugged in hydraulic cylinder (7) in guide rail (14) upper right side, right pushing block (9) and piston (8)；
Left pushing block (11) left end is provided with the first spring (12), and the first spring (12) left end is fixedly connected with rope (13),
Ratchet (21) setting is provided with reel (22) on rear side of guide rail (14) left, ratchet (21), and rope (13) left end plugs
It in reel (22) and is fixedly connected, is provided with positioning pipe (17) below the ratchet (21), is inserted in positioning pipe (17)
Locating rod (20), locating rod (20) lower section are provided with boss (18), are arranged between the boss (18) and positioning pipe (17) top
There is second spring (19) and be fixedly connected, is provided with electromagnet (23) below the positioning pipe (17).
2. a kind of fire-proof door closer according to claim 1, which is characterized in that the fixed block (3) is fixed by screw
On door, shell (1) is fixed by screws on doorframe.
3. a kind of fire-proof door closer according to claim 1, which is characterized in that between the fixed block (3) and shell (1)
It is provided with smoke detector (2).
4. a kind of fire-proof door closer according to claim 1, which is characterized in that the left push rod (6) is in " L " font.
5. a kind of fire-proof door closer according to claim 1, which is characterized in that be provided with shaft on rear side of the gear (15)
And it is plugged in shell (1) rear wall.
6. a kind of fire-proof door closer according to claim 1, which is characterized in that be provided with rotation on front side of the ratchet (21)
Motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820681788.0U CN208329991U (en) | 2018-05-08 | 2018-05-08 | A kind of fire-proof door closer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820681788.0U CN208329991U (en) | 2018-05-08 | 2018-05-08 | A kind of fire-proof door closer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208329991U true CN208329991U (en) | 2019-01-04 |
Family
ID=64776429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820681788.0U Active CN208329991U (en) | 2018-05-08 | 2018-05-08 | A kind of fire-proof door closer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208329991U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111395907A (en) * | 2020-03-24 | 2020-07-10 | 杭州曾份科技有限公司 | Automatic door closing device for intelligent electric suction door |
-
2018
- 2018-05-08 CN CN201820681788.0U patent/CN208329991U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111395907A (en) * | 2020-03-24 | 2020-07-10 | 杭州曾份科技有限公司 | Automatic door closing device for intelligent electric suction door |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210823 Address after: 526040 next to Huanglang Technology Co., Ltd., North District, Jinli Town, Gaoyao District, Zhaoqing City, Guangdong Province (one of the plants of Ketai metal products Co., Ltd.) Patentee after: Guangdong Chuanying Hardware Technology Co.,Ltd. Address before: 526040 North District, Jinli Town, Gaoyao District, Zhaoqing City, Guangdong Province (plant 2 of Zhaoqing Ketai metal products Co., Ltd.) Patentee before: ZHAOQING HUANGLANG TECHNOLOGY Co.,Ltd. |