CN205591721U - Automatic door closer of simple and easy type and use fire door that prevents of this door closer - Google Patents
Automatic door closer of simple and easy type and use fire door that prevents of this door closer Download PDFInfo
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- CN205591721U CN205591721U CN201620173046.8U CN201620173046U CN205591721U CN 205591721 U CN205591721 U CN 205591721U CN 201620173046 U CN201620173046 U CN 201620173046U CN 205591721 U CN205591721 U CN 205591721U
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- hinge
- abutment face
- door closer
- upper hinge
- confined planes
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Abstract
The utility model discloses an automatic door closer of simple and easy type and use fire door that prevents of this door closer, including lower hinge and fixed mounting the last hinge on the rotary door body that is used for fixed mounting on the door frame, the upper end of lower hinge have that the heliciform distributes along the vertical direction in at least one support the face that leans on, that the lower extreme of going up the hinge has that the heliciform distributes along the vertical direction in and ability and support at least one face of pushing down that closely cooperates by the face, under last hinge dead weight or perpendicular exogenic action, it is rotatory and move down the certain distance along the axle center to go up the hinge, the face of pushing down while on the hinge on hinge down to by sliding to the low side on, the of the present invention advantage lies in: this simple structure, the good reliability need not to maintain the maintenance, and manufacturing cost is very low, and it is also very convenient that the installation is got up.
Description
Technical field
The present invention relates to a kind of fire-fighting domain, particularly relate to a kind of at simple type automatic door closer and apply the anti-of this door closer
Vent.
Background technology
Fire resistant doorsets need to be automatically switched off when fire occurs, and the door closer wide variety of conventional fire door has hydraulic pressure, gas
The various ways such as pressure, electromagnetism, spring, but structure is complicated mostly, and maintenance maintenance is inconvenient, and structural reliability is bad,
Situation about cannot use is there is in crucial moment.Patent of invention if China Patent No. is 201520198640.8 discloses one
Planting fire resistant doorsets door closer, include door closer main body and pivoted arm, door closer main body is fixed on fire resistant doorsets by base plate
On upper door frame, one end of pivoted arm is connected with the spindle nose of door closer main body and by door closer main body control, and the other end of pivoted arm is solid
It is scheduled on fire resistant doorsets.
Another China Patent No. is the open a kind of fire resistant doorsets door closer of patent of invention of 201420496858.7, including two fans
The fire prevention door body of clamshell doors, two fan fire prevention door body are separately mounted on the body of wall of correspondence, and the top of each fire prevention door body is provided with
Door closer, the drive shaft of each door closer is connected with driving motor by connecting rod, drives outfan and the SERVO CONTROL of motor
Device is connected, and the outfan of servo controller is connected with the first electromagnetic valve, the second electromagnetic valve, the of fire prevention door body both sides
One electromagnetic valve is connected with smoke alarm the most respectively, fire prevention door body both sides the second electromagnetic valve the most respectively with human body pyroelectricity
Sensor is connected, and described smoke alarm, human body heat-releasing electric transducer are arranged on the middle part of the upper door frame of fire prevention door body.
It is complicated that above two door closer all also exists structure, and reliability is poor, production cost is higher, the shortcoming of maintenance maintenance inconvenience.
Summary of the invention
The technical problem to be solved is to provide a kind of good reliability, the simple type automatic door closer of low cost and should
With the fire resistant doorsets of this door closer.
The technical scheme that the technical problem needs of the solution present invention provide: simple type automatic door closer, including for fixing peace
The lower hinge being contained on doorframe and be fixedly mounted on the upper hinge rotated in door body, it is characterised in that described lower hinge upper
End has at least one abutment face of spiral distribution in the vertical direction, and the lower end of described upper hinge has along Vertical Square
Upwards spiral distribution and can at least one lower pressure surface close-fitting with described abutment face；In upper hinge deadweight or vertical
Under straight External Force Acting, upper hinge rotates along axle center and moves down certain distance, goes up the lower pressure surface on hinge at lower hinge simultaneously
On abutment face on slide into least significant end.
The further preferred version of the present invention: the upper end of described lower hinge has the first confined planes of vertical distribution, this is years old
One confined planes is positioned at the terminal position of abutment face；The lower end of described upper hinge has the second confined planes of vertical distribution, should
Second confined planes is positioned at the terminal position of lower pressure surface, and the first confined planes blocks the second confined planes to limit the rotation width of upper hinge
Degree.
The further preferred version of the present invention: the upper end of described lower hinge has two abutment faces, described upper hinge
Lower end has two lower pressure surfaces.
The further preferred version of the present invention: be provided with the bearing of band ball, or institute on described lower pressure surface and abutment face
The lower pressure surface stated and abutment face are the contact surface of self-lubricating.
The further preferred version of the present invention: the upper end of described upper hinge is provided with and rotates the rotating shaft that door body is connected.
Fire resistant doorsets, including doorframe, rotate door body and door closer, and described rotation door body passes through described door closer and doorframe
Connecting, described door closer includes the lower hinge being fixedly mounted on doorframe and is fixedly mounted on the upper hinge rotated in door body
Chain, described upper hinge is pressed in above described lower hinge, it is characterised in that the upper end of described lower hinge has along vertical
At least one abutment face of spiral distribution on direction, the lower end of described upper hinge has helical form in the vertical direction and divides
Cloth and can at least one lower pressure surface close-fitting with described abutment face；Make in the deadweight of upper hinge or rotation door body gravity
Under with, upper hinge along axle center rotate and move down certain distance, go up simultaneously the lower pressure surface on hinge on lower hinge against
Low side is slid on face.
The further preferred version of the present invention: the upper end of described lower hinge has the first confined planes of vertical distribution, this is years old
One confined planes is positioned at the terminal position of abutment face；The lower end of described upper hinge has the second confined planes of vertical distribution, should
Second confined planes is positioned at the terminal position of lower pressure surface, and the first confined planes blocks the second confined planes to limit the rotation width of upper hinge
Degree.
The further preferred version of the present invention: the upper end of described lower hinge has two abutment faces, described upper hinge
Lower end has two lower pressure surfaces.
The further preferred version of the present invention: be provided with the bearing of band ball, or institute on described lower pressure surface and abutment face
The lower pressure surface stated and abutment face are the contact surface of self-lubricating.
The further preferred version of the present invention: the matrix of described upper hinge and lower hinge is cylindrical shape.
The further preferred version of the present invention: the upper end of described upper hinge is provided with and rotates the rotating shaft that door body is connected.
Compared with prior art, when advantages of the present invention personnel promote rotation door body to open, lower hinge is fixedly mounted on doorframe
On, the lower pressure surface on upper hinge is along the abutment face upward sliding on lower hinge, and upper hinge rotates along axle center and upper shifting is certain
Distance, now rotates door body and is in open mode；When the most push-jump dynamic door body of personnel, the deadweight of upper hinge or rotation door body
Gravity order about hinge along axle center rotate and move down a segment distance, go up the lower pressure surface on hinge on lower hinge simultaneously
Low side is slid on abutment face；Now rotate door body to be closed.Present configuration is simple, good reliability, it is not necessary to
Maintaining, production cost is the lowest, installs and is convenient to.
Accompanying drawing explanation
Fig. 1 is present invention axonometric chart of door closer when doorframe and rotation door body closure state；
Fig. 2 is present invention axonometric chart of door closer when doorframe and rotation door body open mode；
Fig. 3 is the axonometric chart of lower hinge in the present invention；
Fig. 4 is the axonometric chart one of door closer in the present invention；
Fig. 5 is the axonometric chart two of door closer in the present invention；
Fig. 6 is axonometric chart when doorframe and rotation door body closure state；
Fig. 7 is the enlarged drawing in Fig. 6 at A；
Fig. 8 is axonometric chart when doorframe and rotation door body open mode；
Fig. 9 is the enlarged drawing in Fig. 8 at B.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As shown in Fig. 1-Fig. 9, simple type automatic door closer, including the lower hinge 2 for being fixedly mounted on doorframe 1
With the upper hinge 4 being fixedly mounted in rotation door body 3, the upper end of lower hinge 2 has spiral distribution in the vertical direction
Two each and every one abutment faces 5, the lower end of upper hinge 4 have spiral distribution in the vertical direction and can be tight with abutment face 5
Leakproof fit two lower pressure surfaces 6；Conduct oneself with dignity or under vertical External Force Acting at upper hinge 4, upper hinge 4 rotate along axle center and
Move down certain distance, go up simultaneously and slide into low side on the abutment face 5 on lower hinge 2 of the lower pressure surface 6 on hinge 4.Under
Abutment face 5 on hinge 2 can also be only one of which with the lower pressure surface 6 on upper hinge 4.The lower pressure surface 6 of upper hinge 4
And coordinate with bevel-faced form between the abutment face 5 of lower hinge 2, and the surface ratio of lower pressure surface 6 and abutment face 5 is relatively
Smooth, between the two can be slidably.
As Figure 1-Figure 5, the upper end of lower hinge 2 has the first confined planes 21 of vertical distribution, this first confined planes
21 terminal positions being positioned at abutment face 5；The lower end of upper hinge 4 has the second confined planes 41 of vertical distribution, and this is second years old
Confined planes 41 is positioned at the terminal position of lower pressure surface 6, and the first confined planes 21 blocks the second confined planes 41 to limit upper hinge 4
Rotation amplitude.Confined planes is mainly used in limiting the rotation amplitude rotated when door body opens or closes.
As shown in Figure 1-Figure 3, the matrix of upper hinge 4 and lower hinge 2 is cylindrical shape.Abutment face, lower pressure surface and spacing
Face is positioned at hinge 4 or one end of lower hinge 2, and upper hinge 4 is identical with the structure of lower hinge 2, can be by when producing
One secondary mould is made, and reduces production mould.The bearing of band ball, lower pressure surface it is provided with on lower pressure surface 6 and abutment face 5
6 and contact surface that abutment face 5 is self-lubricating.
As Figure 1-Figure 5, the upper end of upper hinge 4 is provided with and rotates the bearing pin 7 that door body 3 is connected.Lower hinge 2 is also
Can arrange that bearing pin 7 and doorframe 1 is fixing to be connected.
This door closer 8 is made up of two accessories, and volume is the least, is arranged in doorframe and door body disguised preferable.Simple type
Automatic door closer can be sold in independent packaging, installation personnel be installed on fire resistant doorsets by door closer, and operation is very easy in installation.
As shown in Fig. 6-Fig. 9, fire resistant doorsets, including doorframe 1, rotate door body 3 and door closer 8, rotate door body 3 and pass through
Door closer 8 is connected with doorframe 1, and door closer 8 includes the lower hinge 2 being fixedly mounted on doorframe 1 and turns with being fixedly mounted on
Upper hinge 4 in dynamic door body 3, upper hinge 4 is pressed in above lower hinge 2, and the upper end of lower hinge 2 has vertically
At least one abutment face 5 of upper spiral distribution, the lower end of upper hinge 4 have spiral distribution in the vertical direction and
Can at least one lower pressure surface 6 close-fitting with abutment face 5；Conduct oneself with dignity at upper hinge 4 or rotate under door body 3 action of gravity,
Upper hinge 4 rotates along axle center and moves down certain distance, goes up lower pressure surface 6 the supporting on lower hinge 2 on hinge 4 simultaneously
By sliding into least significant end on face 5.
Above to a kind of simple automatic door closer provided by the present invention and apply the fire resistant doorsets of this door closer to carry out in detail
Introducing, principle and the embodiment of the present invention are set forth by specific case used herein, saying of above example
Bright it be only intended to help and understand the present invention and core concept.It should be pointed out that, those skilled in the art are come
Say, under the premise without departing from the principles of the invention, it is also possible to the present invention is carried out some improvement and modification, these improve and
Modify in the protection domain also falling into the claims in the present invention.
Claims (10)
1. simple type automatic door closer, rotates in door body with being fixedly mounted on including the lower hinge for being fixedly mounted on doorframe
Upper hinge, it is characterised in that the upper end of described lower hinge have spiral distribution in the vertical direction at least one against
Face is that the lower end of described upper hinge has a spiral distribution in the vertical direction and can closely cooperate with described abutment face
At least one lower pressure surface；Under the deadweight of upper hinge or vertical External Force Acting, upper hinge rotates along axle center and moves down certain
Distance, goes up simultaneously and slides into low side on the abutment face on lower hinge of the lower pressure surface on hinge.
Simple type automatic door closer the most according to claim 1, it is characterised in that the upper end of described lower hinge has vertically
First confined planes of distribution, this first confined planes is positioned at the terminal position of abutment face；The lower end of described upper hinge has vertical
Second confined planes of straight distribution, this second confined planes is positioned at the terminal position of lower pressure surface, and it is spacing that the first confined planes blocks second
Face is to limit the rotation amplitude of upper hinge.
Simple type automatic door closer the most according to claim 1, it is characterised in that the upper end of described lower hinge has two
Abutment face, the lower end of described upper hinge has two lower pressure surfaces.
Simple type automatic door closer the most according to claim 1, it is characterised in that arrange on described lower pressure surface and abutment face
There is the bearing of band ball, or described lower pressure surface and abutment face are the contact surface of self-lubricating.
Simple type automatic door closer the most according to claim 1, it is characterised in that the upper end of described upper hinge be provided with
Rotate the rotating shaft that door body connects.
6. fire resistant doorsets, including doorframe, rotate door body and door closer, and described rotation door body is by described door closer with doorframe even
Connecing, described door closer includes the lower hinge being fixedly mounted on doorframe and is fixedly mounted on the upper hinge rotated in door body,
Described upper hinge is pressed in above described lower hinge, it is characterised in that the upper end of described lower hinge has vertically
At least one abutment face of upper spiral distribution, the lower end of described upper hinge has spiral distribution in the vertical direction
And can be with described abutment face at least one lower pressure surface close-fitting；In the deadweight of upper hinge or rotation door body action of gravity
Under, upper hinge rotates along axle center and moves down certain distance, goes up the abutment face on lower hinge of the lower pressure surface on hinge simultaneously
On slide into low side.
Fire resistant doorsets the most according to claim 6, it is characterised in that the upper end of described lower hinge has the first of vertical distribution
Confined planes, this first confined planes is positioned at the terminal position of abutment face；The lower end of described upper hinge has the of vertical distribution
Two confined planes, this second confined planes is positioned at the terminal position of lower pressure surface, and the first confined planes blocks the second confined planes with in restriction
The rotation amplitude of hinge.
Fire resistant doorsets the most according to claim 6, it is characterised in that the upper end of described lower hinge has two abutment faces, institute
The lower end of the upper hinge stated has two lower pressure surfaces.
Fire resistant doorsets the most according to claim 6, it is characterised in that be provided with band ball on described lower pressure surface and abutment face
Bearing, or described lower pressure surface and abutment face be the contact surface of self-lubricating.
Fire resistant doorsets the most according to claim 6, it is characterised in that the upper end of described upper hinge is provided with and rotates door body
The rotating shaft connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620173046.8U CN205591721U (en) | 2016-03-07 | 2016-03-07 | Automatic door closer of simple and easy type and use fire door that prevents of this door closer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620173046.8U CN205591721U (en) | 2016-03-07 | 2016-03-07 | Automatic door closer of simple and easy type and use fire door that prevents of this door closer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205591721U true CN205591721U (en) | 2016-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620173046.8U Active CN205591721U (en) | 2016-03-07 | 2016-03-07 | Automatic door closer of simple and easy type and use fire door that prevents of this door closer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205591721U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105604430A (en) * | 2016-03-07 | 2016-05-25 | 解剑 | Simple automatic door closer and fireproof door with same |
-
2016
- 2016-03-07 CN CN201620173046.8U patent/CN205591721U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105604430A (en) * | 2016-03-07 | 2016-05-25 | 解剑 | Simple automatic door closer and fireproof door with same |
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| GR01 | Patent grant |