CN208845061U - A kind of novel door closer - Google Patents
A kind of novel door closer Download PDFInfo
- Publication number
- CN208845061U CN208845061U CN201821040407.7U CN201821040407U CN208845061U CN 208845061 U CN208845061 U CN 208845061U CN 201821040407 U CN201821040407 U CN 201821040407U CN 208845061 U CN208845061 U CN 208845061U
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- Prior art keywords
- door closer
- damper
- shell
- torsion bar
- gear
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- 230000005540 biological transmission Effects 0.000 claims abstract description 56
- 230000001105 regulatory effect Effects 0.000 claims description 39
- 238000009434 installation Methods 0.000 claims description 16
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 238000007789 sealing Methods 0.000 abstract description 10
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 11
- 230000009970 fire resistant effect Effects 0.000 description 8
- 230000008901 benefit Effects 0.000 description 7
- 239000000872 buffer Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 2
- 230000003796 beauty Effects 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
The utility model discloses a kind of novel door closers, belong to door closer field.Purpose is aiming at the problem that prior art service life is not grown, performance is vulnerable to external environmental interference.The utility model includes including door closer shell, axial direction in door closer shell along door closer shell is provided with torsion bar, the end of torsion bar is fixed on door closer shell, torsion bar top is arranged with gear, door closer housing tip is provided with the transmission shaft connecting with door closer principal arm, transmission gear is arranged on transmission shaft, transmission gear is engaged with gear, the number of teeth of transmission gear is less than the number of teeth of gear, articulated shaft is provided on gear face, damper is provided on articulated shaft, one end of the separate articulated shaft of damper is hinged on door closer shell.The utility model replaces cylindrical spring savings shutdown energy in the prior art using torsion bar pioneeringly, and service life increases, while sealing performance improves, not vulnerable to external environmental interference.
Description
Technical field
The utility model belongs to door closer field.
Background technique
Door closer is mainly used for guarantee that door after being turned on, closes arrive initial position, door closer master in time
It to be used in business and public purpose, only pedestrian's disengaging does not provide convenience, and also the people to work, living in doors alleviates
Puzzlement.It can be used for the sprawling of limitation fire and the ventilation of building.But the cylindrical spring that existing door closer uses carries
Body as savings energy carrier there are the limitation of service life, and existing most widely used hydraulic door-closer uses the longevity
Life is not also grown, especially when in use between it is long after, it is painstaking to be easy to reply, and Caton is caused, especially when weather is cold
It waits, be easy to cause hydraulic oil to block, door closer is caused not work, the door closer especially used on fire resistant doorsets, fire occurs
Shi Buneng opens and closes fire resistant doorsets in time, is unsatisfactory for present requirement.
Therefore, applicant wants to conceive a kind of door closer with long service life, and the door closer good environmental adaptability, not vulnerable to
To the interference of external environment.But because torsion bar can have a biggish fluctuation in torsion when reversing return, for closing the door
It is unfavorable, and generally using door closer require door closer open the door at closing time will a buffer area, therefore, it is necessary to one kind to open
The torsion bar type door closer that can effectively buffer at closing time.
Utility model content
The purpose of this utility model is that: in view of the above-mentioned problems, providing a kind of novel door closer, which is used
Torsion bar puts aside energy, while can also effectively buffer in switch gate.
The technical solution adopted in the utility model is as follows:
A kind of novel door closer, including door closer shell, the interior axial direction along door closer shell of door closer shell are provided with torsion
Bar, the end of torsion bar are fixed on door closer shell, and torsion bar top is arranged with gear, and door closer housing tip is provided with and closes door
The transmission shaft of device principal arm connection, is arranged with transmission gear on transmission shaft, transmission gear is engaged with gear, and the number of teeth of transmission gear is small
In being provided with articulated shaft in the number of teeth of gear, gear face, damper is provided on articulated shaft, the separate articulated shaft of damper
One end is hinged on door closer shell.
Further, damper includes upper damper, bottombearing damper.
Further, upper damper, bottombearing damper are disposed as spring damper, and the one of upper damper, bottombearing damper
End be hinged on articulated shaft, upper damper, bottombearing damper the other end be hinged on the inner wall of door closer shell.
Further, upper damper, bottombearing damper are disposed as adjustable spring damper, upper damper, bottombearing damper
It include damper tube, one end of damper tube is hinged on the inner wall of door closer shell, spring is arranged on damper tube, in damper tube
It is arranged with connecting rod, one end of the separate damper tube of connecting rod is hinged on articulated shaft, and one end of spring is connect with damper tube, spring
The other end connect with connecting rod, adjuster is provided in damper tube.
Further, adjuster include the piston being connect with connecting rod, the adjustable air-bag that is set in damper tube.
Further, adjustment hole with tolerance is set on air bag, handle hole is set on damper tube, is arranged with tolerance in handle hole
Regulating valve, air volume regulating valve pass through tolerance adjustment hole and protrude into adjustable air-bag and be connected to adjustable air-bag.
Further, regulating tank, lower regulating tank are provided on door closer shell, two air volume regulating valves are respectively from correspondence
Upper regulating tank, lower regulating tank stretch out.
Further, torsion bar top is arranged with copper sheathing, and copper sheathing is mounted on door closer shell.
Further, the left side wall of door closer shell, be provided with installation foot on right side wall.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
1, in the utility model, existing cylindrical spring is replaced to continue required energy of closing the door using torsion bar pioneeringly
Amount.Door closer principal arm drives transmission shaft rotation, and transmission shaft drives torsion bar around own axis, the end of torsion bar by deceleration device
End is fixed on door closer shell, so that torsion bar torsion certain angle puts aside energy.Compared to the prior art, torsion bar structure
Simply, easy for installation, and high reliablity, ambient adaptability is good, is suitable for use on fire resistant doorsets, in various high temperature, cold conditions
Under can reliably working, therefore, when using torsion bar, the sealing performance of door closer requires decline, thus reduce production, manufacture at
This, manufacturer does not have in cost great amount of cost on pursuing sealing performance.The elastic property of torsion bar unit volume savings is than existing
Some cylindrical springs are big, thus, for the door of same specification weight, the quality of torsion bar is smaller than the quality of spring, also just convenient
In transport, installation.It also has the advantage that because torsion bar can generally generate a permanent torsional deflection when manufacturing, so that torsion bar has
There is certain prestressing force, meanwhile, because the direction and torsion bar to the torsion of torsion bar pre-add are mounted on the side reversed on door closer shell
To identical, it is therefore an objective to reduce actual stress when work, extend the service life, while but also door close more will be tight, protection effect
More preferably.Because the windup-degree of torsion bar is limited, and the angle of torsion bar torsion is generally acute angle, in order to avoid opening the door, closing the door
When, torsion bar rotational angle is excessive, becomes the small angle of torsion bar rotation by the big angle that gear, transmission gear rotate transmission shaft
Degree.Transmission gear is engaged with gear, and the number of teeth of transmission gear is less than the number of teeth of gear.Transmission shaft is arranged in the door closer shell
Top, the axis of the transmission shaft is parallel with the axis of the torsion bar.Because the top of door closer shell is arranged in transmission shaft,
And the axis of transmission shaft is parallel with the axis of torsion bar, i.e. the axis of transmission shaft and the axis of door closer shell is also parallel, that is, closes door
Device shell is longitudinally arranged.Compared with door closer lateral arrangement in the prior art, the utility model can ideally incorporate in door body,
Without protruding the more aobvious beauty on door as the prior art.Moreover, because the utility model transmission shaft is arranged in door closer
The top of shell, so that the left and right sides wall of door closer shell does not have to that additional duct is arranged to install transmission shaft or adjust dress
It sets, so the sealing performance of the utility model greatly improved, is also convenient for the manufacturing of door closer shell, reduces and be produced into
This, also reduces technology difficulty, improves vendor's benefit.In the utility model, articulated shaft is provided on gear face, hingedly
Damper is set again on axis, damper or compression damper are elongated when gear rotates, damper, which plays, at this time is opening the door and closing
The effect buffered when door, excessive velocities bump against on neighbouring wall when avoiding opening the door, or strike suddenly and damage door-inhale on door-inhale,
Also it can prevent from damaging door in door excessive velocities at closing time.
2, in the utility model, in order to further increase buffering effect, damper includes upper damper and bottombearing damper, and two
Person's synergistic effect plays better buffer function.
3, in the utility model, upper damper, bottombearing damper are all made of spring damper, and having can bear compared with big load
The advantages of, and spring damper resistance to corrosion is strong, and performance is stablized, long service life, suitable for occasions such as fire resistant doorsets.
4, it in the utility model, in order to enable the speed of the switch gate of the utility model is adjustable, is provided in damper
Adjuster is realized adjusting door closer by adjusting damper operating distance, is wanted with adapting to the switch of door of different weight, specification
It asks.
5, in the utility model, adjuster is realized by the adjustable air-bag between connecting rod and damper tube, by can
Regulating the qi flowing in the channels capsule adjusts the relative distance of connecting rod and damper tube, and then adjusts the EFFECTIVE RANGE of spring, is being damped with realizing to adjust
The requirement of device.Adjustable air-bag is by air volume regulating valve come to adjustable air-bag aerating or deflation.
6, in the utility model, for the ease of adjusting adjustable air-bag, regulating tank, lower adjusting are provided on door closer shell
Slot is just adjusted at this point, being not required to disassembly door closer.
7, impaired in order to avoid swinging when torsion bar torsion in the utility model, torsion bar top is arranged with copper sheathing, copper sheathing it is outer
Circle is fixed on door closer shell.Torsion bar is limited on the axis of torsion bar itself and rotates by copper sheathing.
8, in the utility model, because torsion bar stress is reversed, door closer shell is fixed on using existing screw at this time
Both ends are improper, because stress condition is bad, door closer ontology can be directly detached from from door, and installation foot is arranged in door closer
At this point, due to increasing the arm of force, the screw squeezed on installation foot be can be very good door closer on the left side wall of ontology, right side wall
Ontology is fixed on door.
Detailed description of the invention
Fig. 1 is the main view of the utility model；
Fig. 2 is the transmission schematic diagram of the utility model；
Fig. 3 is the upper damper, bottombearing damper schematic diagram of the utility model；
Fig. 4 is the upper damper, bottombearing damper scheme of installation of the utility model；
Fig. 5 is the spring damper structure schematic diagram of the utility model；
Marked in the figure: 1- door closer shell, 101- installation foot, 102- end cap, the upper regulating tank of 103-, regulating tank under 104-,
2- torsion bar, 201- gear, 3- transmission shaft, 4- transmission gear, the upper damper of 501-, 502- bottombearing damper, 503- damper tube, 504-
Spring, 505- connecting rod, 6- adjuster, 601- piston, 602- adjustable air-bag, 603- air volume regulating valve, 7- copper sheathing.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
A kind of novel door closer, including door closer shell 1, the interior axial direction along door closer shell 1 of door closer shell 1 are provided with
Torsion bar 2, the end of torsion bar 2 are fixed on door closer shell 1, and 2 top of torsion bar is arranged with gear 201, and 1 top of door closer shell is set
It is equipped with the transmission shaft 3 connecting with door closer principal arm, transmission gear 4 is arranged on transmission shaft 3, transmission gear 4 is nibbled with gear 201
It closes, the number of teeth of transmission gear 4 is less than the number of teeth of gear 201, articulated shaft 202 is provided on 201 end face of gear, on articulated shaft 202
It is provided with damper, one end of the separate articulated shaft 202 of damper is hinged on door closer shell 1.
Further, damper includes upper damper 501, bottombearing damper 502.
Further, upper damper 501, bottombearing damper 502 are disposed as spring damper, upper damper 501, lower resistance
One end of Buddhist nun's device 502 is hinged on articulated shaft 202, upper damper 501, bottombearing damper 502 the other end be hinged on and close door
On the inner wall of device shell 1.
Further, upper damper 501, bottombearing damper 502 are disposed as adjustable spring damper, upper damper 501,
Bottombearing damper 502 includes damper tube 503, and one end of damper tube 503 is hinged on the inner wall of door closer shell 501, damper tube
It is arranged with spring 504 on 503, connecting rod 505, one end hinge of the separate damper tube 503 of connecting rod 505 are arranged in damper tube 503
It connects on articulated shaft 202, one end of spring 504 is connect with damper tube 503, and the other end of spring 504 is connect with connecting rod 505, resistance
Adjuster 6 is provided in Buddhist nun's pipe 503.
Further, adjuster 6 include the piston 601 being connect with connecting rod 505, be set in damper tube 503 can regulating the qi flowing in the channels
Capsule 602.
Further, adjustment hole with tolerance is set on air bag 602, handle hole is set on damper tube 503, is arranged in handle hole
Regulating valve 603 with tolerance, air volume regulating valve 603 pass through tolerance adjustment hole and protrude into adjustable air-bag 602 and connect with adjustable air-bag 602
It is logical.
Further, regulating tank 103, lower regulating tank 104, two air volume regulating valves 603 are provided on door closer shell 1
It is stretched out respectively from corresponding upper regulating tank 103, lower regulating tank 104.
Further, 2 top of torsion bar is arranged with copper sheathing 7, and copper sheathing 7 is mounted on door closer shell 1.
Further, the left side wall of door closer shell 1, be provided with installation foot 101 on right side wall.
Working principle: the utility model is longitudinally mounted on fire resistant doorsets when in use, passes through the 4 of 1 two sides of door closer shell
A installation foot 101 is fixed on door.Transmission shaft 3 is also longitudinally arranged, and the axis of transmission shaft 3 is parallel with the axis of torsion bar 2.It opens the door
When, door closer principal arm drives transmission shaft 3 to rotate, and the rotation band nutating gear 4 of transmission shaft 3 rotates, and transmission gear 4 is with moving gear
201 rotations, since the number of teeth of the gear ratio transmission gear 4 of gear 201 is more, gear 201 drives torsion bar 2 to reverse a low-angle,
In the process, the energy that the savings of torsion bar 2 is closed the door.When gear 201 rotates, articulated shaft 202 follows the axis around gear 201 to turn
It is dynamic, at this point, articulated shaft compression or elongation upper damper 501, bottombearing damper 502.The company of upper damper 501, bottombearing damper 502
Bar 505 is hinged on articulated shaft 202, and connective pole 505 follows articulated shaft to move up and down.At this point, spring 504 plays the work of buffering
With.When weight, the specification of the door for needing to install according to the utility model adjust damper, pass through upper regulating tank 103, lower regulating tank
Air volume regulating valve 603 in 104 realizes deflation or aerating to adjustable air-bag 602, and then adjusts connecting rod 505 and damper tube
503 relative motion distance also just has adjusted the effective exercise distance of spring 504.Compared to the prior art, 2 structure of torsion bar letter
It is single, it is easy for installation, and high reliablity, ambient adaptability is good, is suitable for use on fire resistant doorsets, under various high temperature, cold conditions
It can reliably working.In the utility model, 1 integral casting forming of door closer shell is only provided on the top of door closer shell 1
The sealing of one end cap 102, the sealing performance of door closer greatly improves, to reduce production, manufacturing cost, manufacturer does not have to again
Ancillary cost great amount of cost is on pursuing sealing performance.The elastic property of 2 unit volume of torsion bar savings is than existing cylindrical spring
Greatly, thus, for the door of same specification weight, the quality of torsion bar 2 is smaller than the quality of spring, be also just convenient to transport, install.
Embodiment 1
A kind of novel door closer, including door closer shell 1, the interior axial direction along door closer shell 1 of door closer shell 1 are provided with
Torsion bar 2, the end of torsion bar 2 are fixed on door closer shell 1, and 2 top of torsion bar is arranged with gear 201, and 1 top of door closer shell is set
It is equipped with the transmission shaft 3 connecting with door closer principal arm, transmission gear 4 is arranged on transmission shaft 3, transmission gear 4 is nibbled with gear 201
It closes, the number of teeth of transmission gear 4 is less than the number of teeth of gear 201, articulated shaft 202 is provided on 201 end face of gear, on articulated shaft 202
It is provided with damper, one end of the separate articulated shaft 202 of damper is hinged on door closer shell 1.
In the present embodiment, existing cylindrical spring is replaced to continue required energy of closing the door using torsion bar 2.Door closer principal arm
Transmission shaft 3 is driven to rotate, transmission shaft 3 drives torsion bar 2 around own axis by deceleration device, and the end of torsion bar 2 is fixed on
On door closer shell 1, so that torsion bar 2, which reverses certain angle, puts aside energy.Compared to the prior art, 2 structure of torsion bar is simple,
It is easy for installation, and high reliablity, ambient adaptability is good, is suitable for use on fire resistant doorsets, can under various high temperature, cold conditions
Reliably working, therefore, when using torsion bar 2, the sealing performance of door closer requires decline, so that production, manufacturing cost are reduced, it is raw
Producer is produced not have in cost great amount of cost on pursuing sealing performance.The elastic property of 2 unit volume of torsion bar savings is than existing
Cylindrical spring is big, thus, for the door of same specification weight, the quality of torsion bar 2 is smaller than the quality of spring, also is just convenient to transport
It is defeated, installation.It also has the advantage that because torsion bar 2 can generally generate a permanent torsional deflection when manufacturing, so that torsion bar 2 has
There is certain prestressing force, meanwhile, because the direction and torsion bar 2 to the torsion of torsion bar 2 pre-add are mounted on and reverse on door closer shell 1
Direction is identical, it is therefore an objective to reduce actual stress when work, extend the service life, while but also door close more will be tight, protection effect
Fruit is more preferable.Because the windup-degree of torsion bar 2 is limited, and the angle that torsion bar 2 reverses is generally acute angle, in order to avoid opening the door,
At closing time, 2 rotational angle of torsion bar is excessive, becomes torsion bar by the big angle that gear 201, transmission gear 4 rotate transmission shaft 3
The low-angle of 2 rotations.The top of door closer shell 1 is arranged in transmission shaft 3, and the axis of the axis of transmission shaft 3 and torsion bar 2 is flat
Row, i.e. the axis of transmission shaft 3 and the axis of door closer shell 1 is also parallel, i.e., door closer shell 1 is longitudinally arranged.With the prior art
Middle door closer lateral arrangement is compared, and the present embodiment can ideally be incorporated in door body by slotting on door, without as existing
Technology is equally protruded on door, more aobvious beauty.Moreover, because the top of door closer shell 1 is arranged in the transmission shaft 3 of the present embodiment
End, so that the left and right sides wall of door closer shell 1 does not have to that additional duct is arranged to install transmission shaft or regulating device, so greatly
Width improves the sealing performance of the present embodiment, is also convenient for the manufacturing of door closer shell 1, reduces production cost, also reduce
Technology difficulty improves vendor's benefit.In the present embodiment, it is provided with articulated shaft 202 on 201 end face of gear, on articulated shaft 202
Damper is set again, damper or compression damper are elongated when gear 201 rotates, damper, which plays, at this time is opening the door and closing the door
When the effect that buffers, excessive velocities bump against on neighbouring wall when avoiding opening the door, or strike suddenly and damage door-inhale on door-inhale,
It can prevent from damaging door in door excessive velocities at closing time.
Embodiment 2
On the basis of embodiment 1, in order to further increase buffering effect, damper includes upper damper 501, lower damping
Device 502, the two synergistic effect play better buffer function.
Embodiment 3
On the basis of embodiment 1, upper damper 501, bottombearing damper 502 are disposed as spring damper, upper damping
Device 501, bottombearing damper 502 one end be hinged on articulated shaft 202, upper damper 501, the other end of bottombearing damper 502 are equal
It is hinged on the inner wall of door closer shell 1.Spring damper has the advantages that bear compared with big load, and spring damps
Device resistance to corrosion is strong, and performance is stablized, long service life, suitable for occasions such as fire resistant doorsets.
Embodiment 4
On the basis of embodiment 1, upper damper 501, bottombearing damper 502 are disposed as adjustable spring damper, on
Damper 501, bottombearing damper 502 include damper tube 503, and one end of damper tube 503 is hinged on the inner wall of door closer shell 501
On, it is arranged with spring 504 on damper tube 503, connecting rod 505, the separate damper tube 503 of connecting rod 505 are arranged in damper tube 503
One end be hinged on articulated shaft 202, one end of spring 504 is connect with damper tube 503, the other end of spring 504 and connecting rod 505
It connects, is provided with adjuster 6 in damper tube 503.
The present embodiment is provided with adjuster 6 in order to enable the speed of switch gate is adjustable in damper, passes through and adjusts damping
Device operating distance realizes adjusting door closer, to adapt to the switching requirements of the door of different weight, specification.
Embodiment 5
On the basis of embodiment 4, adjuster 6 includes the piston 601 connecting with connecting rod 505, is set in damper tube 503
Adjustable air-bag 602.Adjustment hole with tolerance is set on air bag 602, handle hole is set on damper tube 503, is arranged in handle hole
Air volume regulating valve 603, air volume regulating valve 603 pass through tolerance adjustment hole and protrude into adjustable air-bag 602 and connect with adjustable air-bag 602
It is logical.
In the present embodiment, adjuster 6 is realized by the adjustable air-bag 602 between connecting rod 505 and damper tube 503,
By adjustable air-bag 602 adjust connecting rod 505 and damper tube 503 relative distance, and then adjustment spring 504 useful effect away from
From to realize the requirement for adjusting damper.By air volume regulating valve 603 come to 602 aerating of adjustable air-bag or deflation.
Embodiment 6
On the basis of embodiment 5, for the ease of adjusting adjustable air-bag 602, regulating tank is provided on door closer shell 1
103, lower regulating tank 104, two air volume regulating valves 603 are stretched out from corresponding upper regulating tank 103, lower regulating tank 104 respectively.It is not required to
Disassembly door closer achieves that adjusting.
Embodiment 7
On the basis of embodiment 1, impaired in order to avoid swinging when torsion bar torsion, 2 top of torsion bar is arranged with copper sheathing 7, copper
Set 7 is mounted on door closer shell 1.Torsion bar 2 is limited on the axis of torsion bar 2 itself and rotates by copper sheathing 7.
Embodiment 8
On the basis of embodiment 1, the left side wall of door closer shell 1, be provided with installation foot 101 on right side wall.Because
The torsion of 2 stress of torsion bar, the both ends for being fixed on door closer shell 1 using existing screw at this time are improper, because stress condition is not
Good, door closer ontology 1 can be directly detached from from door, and installation foot 101 is arranged in left side wall, the right side wall of door closer ontology 1
On, at this point, due to increasing the arm of force, the screw squeezed on installation foot can be very good for door closer sheet, 1 to be fixed on door.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (9)
1. a kind of novel door closer, including door closer shell (1), it is characterised in that: along door closer in the door closer shell (1)
The axial direction of shell (1) is provided with torsion bar (2), and the end of the torsion bar (2) is fixed on the door closer shell (1), the torsion
Bar (2) top is arranged with gear (201), and door closer shell (1) top is provided with the transmission shaft connecting with door closer principal arm
(3), it is arranged with transmission gear (4) on the transmission shaft (3), the transmission gear (4) is engaged with the gear (201), described
The number of teeth of transmission gear (4) is less than the number of teeth of gear (201), is provided with articulated shaft (202), institute on gear (201) end face
It states and is provided with damper on articulated shaft (202), one end of the separate articulated shaft (202) of the damper is hinged on door closer shell
(1) on.
2. a kind of novel door closer according to claim 1, it is characterised in that: the damper includes upper damper
(501), bottombearing damper (502).
3. a kind of novel door closer according to claim 2, it is characterised in that: the upper damper (501), bottombearing damper
(502) be disposed as spring damper, the upper damper (501), bottombearing damper (502) one end be hinged on the hinge
In spindle (202), the upper damper (501), bottombearing damper (502) the other end be hinged on the door closer shell (1)
Inner wall on.
4. a kind of novel door closer according to claim 3, it is characterised in that: the upper damper (501), bottombearing damper
(502) it is disposed as adjustable spring damper, the upper damper (501), bottombearing damper (502) include damper tube
(503), one end of the damper tube (503) is hinged on the inner wall of the door closer shell (1), on the damper tube (503)
It is arranged with spring (504), is arranged with connecting rod (505) in the damper tube (503), the separate damper tube of the connecting rod (505)
(503) one end is hinged on the articulated shaft (202), and one end of the spring (504) is connect with the damper tube (503),
The other end of the spring (504) is connect with the connecting rod (505), is provided with adjuster (6) in the damper tube (503).
5. a kind of novel door closer according to claim 4, it is characterised in that: the adjuster (6) includes and connecting rod
(505) piston (601) connected, the adjustable air-bag (602) being set in the damper tube (503).
6. a kind of novel door closer according to claim 5, it is characterised in that: be arranged on the air bag (602) with tolerance
Adjustment hole is arranged handle hole on the damper tube (503), air volume regulating valve (603), the tolerance is arranged in the handle hole
Regulating valve (603) passes through the tolerance adjustment hole and protrudes into adjustable air-bag (602) and be connected to adjustable air-bag (602).
7. a kind of novel door closer according to claim 6, it is characterised in that: be provided on the door closer shell (1)
Upper regulating tank (103), lower regulating tank (104), two air volume regulating valves (603) are respectively from corresponding upper regulating tank (103), downward
Slot (104) are saved to stretch out.
8. a kind of novel door closer according to claim 1, it is characterised in that: torsion bar (2) top is arranged with copper sheathing
(7), the copper sheathing (7) is mounted on the door closer shell (1).
9. a kind of novel door closer according to claim 1, it is characterised in that: the left side wall of the door closer shell (1),
Installation foot (101) are provided on right side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821040407.7U CN208845061U (en) | 2018-07-03 | 2018-07-03 | A kind of novel door closer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821040407.7U CN208845061U (en) | 2018-07-03 | 2018-07-03 | A kind of novel door closer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208845061U true CN208845061U (en) | 2019-05-10 |
Family
ID=66352734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821040407.7U Expired - Fee Related CN208845061U (en) | 2018-07-03 | 2018-07-03 | A kind of novel door closer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208845061U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847740A (en) * | 2019-11-16 | 2020-02-28 | 罗力川 | Door control top spring with lighter door opening force and more stable door closing speed |
-
2018
- 2018-07-03 CN CN201821040407.7U patent/CN208845061U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847740A (en) * | 2019-11-16 | 2020-02-28 | 罗力川 | Door control top spring with lighter door opening force and more stable door closing speed |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190510 |
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| CF01 | Termination of patent right due to non-payment of annual fee |