CN105604430A - Simple automatic door closer and fireproof door with same - Google Patents
Simple automatic door closer and fireproof door with same Download PDFInfo
- Publication number
- CN105604430A CN105604430A CN201610126316.4A CN201610126316A CN105604430A CN 105604430 A CN105604430 A CN 105604430A CN 201610126316 A CN201610126316 A CN 201610126316A CN 105604430 A CN105604430 A CN 105604430A
- Authority
- CN
- China
- Prior art keywords
- hinge
- upper hinge
- lower pressure
- door closer
- pressure surface
- Prior art date
- 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.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/02—Closers or openers for wings, not otherwise provided for in this subclass gravity-actuated, e.g. by use of counterweights
- E05F1/04—Closers or openers for wings, not otherwise provided for in this subclass gravity-actuated, e.g. by use of counterweights for wings which lift during movement, operated by their own weight
- E05F1/06—Mechanisms in the shape of hinges or pivots, operated by the weight of the wing
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Application of doors, windows, wings or fittings thereof for buildings or parts thereof characterised by the type of wing
- E05Y2900/132—Doors
- E05Y2900/134—Fire doors
Abstract
The invention discloses a simple automatic door closer and a fireproof door with the same. The simple automatic door closer comprises a lower hinge and an upper hinge, the lower hinge is fixedly mounted on a door frame, and the lower hinge is fixedly mounted on a swing door body. The upper end of the lower hinge is provided with at least one butting surface in vertically spiral distribution, the lower end of the upper hinge is provided with at least one down-pressing surface in vertically spiral distribution, and the at least one down-pressing surface can be closely matched with the at least one butting surface. Under the action of the self weight of the upper hinge or a vertical external force, the upper hinge rotates along the axis and moves downwards by a certain distance while the down-pressing surface of the upper hinge slides on the butting surface of the lower hinge to the low end. The simple automatic door closer has the advantages of structural simplicity, high reliability, freeness of maintenance, low production cost and convenience in mounting.
Description
Technical field
The present invention relates to a kind of fire-fighting domain, relate in particular to a kind of at simple type automatic door closer and apply the anti-of this door closerVent.
Background technology
Fire resistant doorsets need to automatically be closed in the time that fire occurs, and the door closer kind that common fire resistant doorsets are used is various, has hydraulic pressure, gasThe various ways such as pressure, electromagnetism, spring, but most complex structure, maintenance maintenance inconvenience, structural reliability is bad,There is the situation that cannot use in crucial moment. The patent of invention that is 201520198640.8 as China Patent No. discloses oneKind of fire resistant doorsets door closer, include door closer main body and pivoted arm, and door closer main body is fixed on fire resistant doorsets by base plateOn 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, the other end of pivoted arm is solidFix on fire resistant doorsets.
The patent of invention that another China Patent No. is 201420496858.7 discloses a kind of fire resistant doorsets door closer, comprises two fansThe fire resistant doorsets body of clamshell doors, two fan fire resistant doorsets bodies are arranged on respectively on corresponding body of wall, and the top of each fire resistant doorsets body is provided withDoor closer, the driving shaft of each door closer is connected with drive motors by connecting rod, the output of drive motors and SERVO CONTROLDevice is connected, and the output of servo controller is connected with the first magnetic valve, the second magnetic valve, of fire resistant doorsets body both sidesOne magnetic valve is also connected with smoke alarm respectively, the second magnetic valve of fire resistant doorsets body both sides also respectively with human body pyroelectricitySensor is connected, and described smoke alarm, human body pyroelectricity installation of sensors are at the middle part of the upper door frame of fire resistant doorsets body.Above-mentioned two kinds of door closers all exist complex structure, and reliability is poor, production cost is higher, the shortcoming of maintenance maintenance inconvenience.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of good reliability, the simple type automatic door closer that cost is low and shouldWith the fire resistant doorsets of this door closer.
Solve the technical scheme that technical problem of the present invention need to provide: simple type automatic door closer, comprises for fixing peaceBe contained in the lower hinge on doorframe and be fixedly mounted on the upper hinge on rotary door body, it is characterized in that the upper of described lower hingeEnd has at least one abutment face of spiral distribution in the vertical direction, and the lower end of described upper hinge has along Vertical SquareUpwards spiral distribution and can be with described abutment face close-fitting at least one lower pressure surface; In upper hinge deadweight or verticalUnder straight External Force Acting, upper hinge is along axle center rotation and move down certain distance, and the lower pressure surface on upper hinge is at lower hinge simultaneouslyOn 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 oldOne 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, shouldThe 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 hingeDegree.
The further preferred version of the present invention: the upper end of described lower hinge has two abutment faces, described upper hingeLower end has two lower pressure surfaces.
The further preferred version of the present invention: on described lower pressure surface and abutment face, be provided with the bearing with ball, or instituteThe contact-making surface that the lower pressure surface of stating and abutment face are self-lubricating.
The further preferred version of the present invention: the upper end of described upper hinge is provided with the rotating shaft being connected with rotary door body.
Fire resistant doorsets, comprise doorframe, rotary door body and door closer, and described rotary door body is by described door closer and doorframeConnect, described door closer comprises the lower hinge being fixedly mounted on doorframe and is fixedly mounted on the upper hinge on rotary door bodyChain, described upper hinge is pressed in described lower hinge top, it is characterized in that the upper end of described lower hinge has along verticalAt least one abutment face of spiral distribution in direction, the lower end of described upper hinge has helical form in the vertical direction and dividesAt least one lower pressure surface cloth and can be with described abutment face close-fitting; At upper hinge deadweight or rotary door body weight masterpieceWith under, upper hinge is along axle center rotation and move down certain distance, simultaneously the lower pressure surface on upper hinge on lower hinge againstOn face, slide into low side.
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 oldOne 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, shouldThe 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 hingeDegree.
The further preferred version of the present invention: the upper end of described lower hinge has two abutment faces, described upper hingeLower end has two lower pressure surfaces.
The further preferred version of the present invention: on described lower pressure surface and abutment face, be provided with the bearing with ball, or instituteThe contact-making surface that the lower pressure surface of stating and abutment face are 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 the rotating shaft being connected with rotary door body.
Compared with prior art, when advantage personnel of the present invention promote rotary door body and open, lower hinge is fixedly mounted on doorframeUpper, the lower pressure surface on upper hinge is along the abutment face upward sliding on lower hinge, upper hinge along axle center rotation and on move certainDistance, now rotary door body is in open mode; In the time that personnel do not push away rotary door body, the deadweight of upper hinge or rotary door bodyGravity order about upper hinge along axle center rotation and move down a segment distance, the lower pressure surface on upper hinge is on lower hinge simultaneouslyOn abutment face, slide into low side; Now rotary door body is in closed condition. The present invention is simple in structure, good reliability, withoutMaintaining, production cost is very low, installs also very convenient.
Brief description of the drawings
Fig. 1 is the stereogram of the present invention's door closer in the time of doorframe and rotary door body closure state;
Fig. 2 is the stereogram of the present invention's door closer in the time of doorframe and rotary door body open mode;
Fig. 3 is the stereogram of lower hinge in the present invention;
Fig. 4 is the stereogram one of door closer in the present invention;
Fig. 5 is the stereogram two of door closer in the present invention;
Stereogram when Fig. 6 is doorframe and rotary door body closure state;
Fig. 7 is the enlarged drawing at A place in Fig. 6;
Stereogram when Fig. 8 is doorframe and rotary door body open mode;
Fig. 9 is the enlarged drawing at B place in Fig. 8.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
As shown in Fig. 1-Fig. 9, simple type automatic door closer, comprises for being fixedly mounted on the lower hinge 2 on doorframe 1With the upper hinge 4 being fixedly mounted on rotary door body 3, the upper end of lower hinge 2 has spiral distribution in the vertical directionTwo 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 5Leakproof fit two lower pressure surfaces 6; Upper hinge 4 conduct oneself with dignity or vertical External Force Acting under, upper hinge 4 along axle center rotation andMove down certain distance, on the abutment face 5 of the lower pressure surface 6 on upper hinge 4 on lower hinge 2, slide into low side simultaneously. UnderAbutment face 5 on hinge 2 also can be for only having one with the lower pressure surface 6 on upper hinge 4. The lower pressure surface 6 of upper hinge 4And between the abutment face 5 of lower hinge 2, coordinate with inclined-plane form, and the surface ratio of lower pressure surface 6 and abutment face 5Smooth, can be free to slide between the two.
As Figure 1-Figure 5, the upper end of lower hinge 2 has the first confined planes 21 of vertical distribution, this first confined planes21 are positioned at the terminal position of abutment face 5; The lower end of upper hinge 4 has the second confined planes 41 of vertical distribution, and this is second years oldConfined 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 4Rotation amplitude. Rotation amplitude when confined planes is mainly used in limiting rotary door body and 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 spacingFace is positioned at one end of upper hinge 4 or lower hinge 2, and upper hinge 4 is identical with the structure of lower hinge 2, can be by the time producingOne secondary mould is made, and has reduced production mould. On lower pressure surface 6 and abutment face 5, be provided with the bearing with ball, lower pressure surface6 and abutment face 5 contact-making surface that is self-lubricating.
As Figure 1-Figure 5, the upper end of upper hinge 4 is provided with the bearing pin 7 being connected with rotary door body 3. Lower hinge 2 alsoBearing pin 7 can be set to be fixedly connected with doorframe 1.
This door closer 8 is made up of two accessories, and volume is very little, is arranged on doorframe and door body better disguised. Simple typeAutomatic door closer can be sold in independent packaging, by installation personnel, door closer is installed on fire resistant doorsets, and fitting operation is very convenient.
As shown in Fig. 6-Fig. 9, fire resistant doorsets, comprise doorframe 1, rotary door body 3 and door closer 8, and rotary door body 3 passes throughDoor closer 8 is connected with doorframe 1, and door closer 8 comprises that the lower hinge 2 being fixedly mounted on doorframe 1 turns with being fixedly mounted onUpper hinge 4 on moving door body 3, upper hinge 4 is pressed in lower hinge 2 tops, and the upper end of lower hinge 2 has verticallyAt least one abutment face 5 of upper spiral distribution, the lower end of upper hinge 4 have spiral distribution in the vertical direction andCan with close-fitting at least one the lower pressure surface 6 of abutment face 5; Upper hinge 4 conduct oneself with dignity or rotary door body 3 Action of Gravity Fields under,Upper hinge 4 is along axle center rotation and move down certain distance, simultaneously lower pressure surface 6 the supporting on lower hinge 2 on upper hinge 4Slide into least significant end by face 5.
Above a kind of simple and easy automatic door closer provided by the present invention and the fire resistant doorsets of applying this door closer are carried out in detailIntroduce, applied specific case herein principle of the present invention and embodiment are set forth, above embodiment saysBright just for helping to understand the present invention and core concept. It should be pointed out that for those skilled in the artSay, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve andModify and also fall in the protection domain of the claims in the present invention.
Claims (10)
1. simple type automatic door closer, comprises for being fixedly mounted on the lower hinge on doorframe and being fixedly mounted on rotary door bodyUpper hinge, the upper end that it is characterized in that described lower hinge there is spiral distribution in the vertical direction at least one againstFace is that the lower end of described upper hinge has a spiral distribution in the vertical direction and can closely cooperate with described abutment faceAt least one lower pressure surface; Under upper hinge deadweight or vertical External Force Acting, upper hinge is along axle center rotation and move down certainDistance slides into low side on the abutment face of the lower pressure surface on upper hinge on lower hinge simultaneously.
2. simple type automatic door closer according to claim 1, is characterized in that the upper end of described lower hinge has verticallyThe first confined planes distributing, this first confined planes is positioned at the terminal position of abutment face; The lower end of described upper hinge has verticalStraight the second confined planes distributing, this second confined planes is positioned at the terminal position of lower pressure surface, and it is second spacing that the first confined planes blocksFace is to limit the rotation amplitude of upper hinge.
3. simple type automatic door closer according to claim 1, is characterized in that the upper end of described lower hinge has twoAbutment face, the lower end of described upper hinge has two lower pressure surfaces.
4. simple type automatic door closer according to claim 1, is characterized in that arranging on described lower pressure surface and abutment faceThere is the bearing with ball, or described lower pressure surface and the abutment face contact-making surface that is self-lubricating.
5. simple type automatic door closer according to claim 1, the upper end that it is characterized in that described upper hinge be provided withThe rotating shaft that rotary door body connects.
6. fire resistant doorsets, comprise doorframe, rotary door body and door closer, and described rotary door body connects by described door closer and doorframeConnect, described door closer comprises the lower hinge that is fixedly mounted on doorframe and is fixedly mounted on the upper hinge on rotary door body,Described upper hinge is pressed in described lower hinge top, it is characterized in that the upper end of described lower hinge has verticallyAt least one abutment face of upper spiral distribution, the lower end of described upper hinge has spiral distribution in the vertical directionAnd can be with described abutment face close-fitting at least one lower pressure surface; At upper hinge deadweight or rotary door body Action of Gravity FieldUnder, upper hinge is along axle center rotation and move down certain distance, simultaneously the abutment face of the lower pressure surface on upper hinge on lower hingeOn slide into low side.
7. fire resistant doorsets according to claim 6, is characterized in that the upper end of described lower hinge has first of vertical distributionConfined planes, this first confined planes is positioned at the terminal position of abutment face; The lower end of described upper hinge has of vertical distributionTwo 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 on limitingThe rotation amplitude of hinge.
8. fire resistant doorsets according to claim 6, is characterized in that the upper end of described lower hinge has two abutment faces, instituteThe lower end of the upper hinge of stating has two lower pressure surfaces.
9. fire resistant doorsets according to claim 6, is characterized in that being provided with on described lower pressure surface and abutment face with ballBearing, or described lower pressure surface and the abutment face contact-making surface that is self-lubricating.
10. fire resistant doorsets according to claim 6, is characterized in that the upper end of described upper hinge is provided with and rotary door bodyThe rotating shaft connecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610126316.4A CN105604430A (en) | 2016-03-07 | 2016-03-07 | Simple automatic door closer and fireproof door with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610126316.4A CN105604430A (en) | 2016-03-07 | 2016-03-07 | Simple automatic door closer and fireproof door with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105604430A true CN105604430A (en) | 2016-05-25 |
Family
ID=55984720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610126316.4A Pending CN105604430A (en) | 2016-03-07 | 2016-03-07 | Simple automatic door closer and fireproof door with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105604430A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210262672A1 (en) * | 2020-02-25 | 2021-08-26 | Whirlpool Corporation | Hinge assembly for an appliance door |
| CN113846920A (en) * | 2021-09-23 | 2021-12-28 | 澳柯玛股份有限公司 | Self-resetting hinge, vertical type refrigerated cabinet and using method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09291748A (en) * | 1996-03-01 | 1997-11-11 | Sekisui Chem Co Ltd | Structure for firmly closing door |
| EP1160406A2 (en) * | 2000-06-03 | 2001-12-05 | KL-Beschläge Karl Loggen GmbH | Hinge with notched supporting surface |
| CN200943381Y (en) * | 2006-09-18 | 2007-09-05 | 蒋峥 | Hinge capable of automatically closing door |
| CN102230347A (en) * | 2011-06-13 | 2011-11-02 | 闫书来 | Automatic resetting fold |
| CN102926605A (en) * | 2012-11-27 | 2013-02-13 | 林全忠 | Hinge for safety-protection door |
| CN204476127U (en) * | 2015-02-03 | 2015-07-15 | 林本顺 | A kind of door that can close voluntarily |
| CN205591721U (en) * | 2016-03-07 | 2016-09-21 | 宁波合力伟业消防科技有限公司 | Automatic door closer of simple and easy type and use fire door that prevents of this door closer |
-
2016
- 2016-03-07 CN CN201610126316.4A patent/CN105604430A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09291748A (en) * | 1996-03-01 | 1997-11-11 | Sekisui Chem Co Ltd | Structure for firmly closing door |
| EP1160406A2 (en) * | 2000-06-03 | 2001-12-05 | KL-Beschläge Karl Loggen GmbH | Hinge with notched supporting surface |
| CN200943381Y (en) * | 2006-09-18 | 2007-09-05 | 蒋峥 | Hinge capable of automatically closing door |
| CN102230347A (en) * | 2011-06-13 | 2011-11-02 | 闫书来 | Automatic resetting fold |
| CN102926605A (en) * | 2012-11-27 | 2013-02-13 | 林全忠 | Hinge for safety-protection door |
| CN204476127U (en) * | 2015-02-03 | 2015-07-15 | 林本顺 | A kind of door that can close voluntarily |
| CN205591721U (en) * | 2016-03-07 | 2016-09-21 | 宁波合力伟业消防科技有限公司 | Automatic door closer of simple and easy type and use fire door that prevents of this door closer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210262672A1 (en) * | 2020-02-25 | 2021-08-26 | Whirlpool Corporation | Hinge assembly for an appliance door |
| CN113846920A (en) * | 2021-09-23 | 2021-12-28 | 澳柯玛股份有限公司 | Self-resetting hinge, vertical type refrigerated cabinet and using method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160525 |