CN209011716U - A kind of hinge of fire resistant doorsets - Google Patents
A kind of hinge of fire resistant doorsets Download PDFInfo
- Publication number
- CN209011716U CN209011716U CN201821260879.3U CN201821260879U CN209011716U CN 209011716 U CN209011716 U CN 209011716U CN 201821260879 U CN201821260879 U CN 201821260879U CN 209011716 U CN209011716 U CN 209011716U
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- CN
- China
- Prior art keywords
- axis
- hinge
- shaft sleeve
- axle bed
- gear
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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.)
- Expired - Fee Related
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Abstract
A kind of hinge of fire resistant doorsets, including pin shaft, upper hinge, lower jaw, lower jaw Lower shaft sleeve and with lower movable plate, lower movable plate is fixedly connected with doorframe, upper hinge includes Upper shaft sleeve and upper mobile board, upper mobile board is fixedly connected with door-plate, and a first gear between Lower shaft sleeve and Upper shaft sleeve is fixed on pin shaft；An axle bed and at least a support are fixed on upper mobile board；The hinge further includes an axis, one end of the axis, which is worn, to be connect in axle bed, and is cooperated by a thrust ball bearing and axle bed, and the other end of the axis is rotatably mounted in support, and the synchronous connection of the other end that the axis passes through support has a second gear, which engages with first gear；Axle position is additionally provided with a torsional spring between the part and axle bed inside axle bed.The utility model is able to maintain door and is in close state, and when deformation occurs for door-plate, imposes lateral support to pin shaft by axis, prevents pin shaft tilt angle excessive.
Description
Technical field
The utility model relates to a kind of Hardware fitting of fire resistant doorsets more particularly to a kind of hinges of fire resistant doorsets.
Background technique
Hinge is the necessary Hardware fitting of door and window, is used to that door to be enable to be freely rotated；In the neck of some specific demands
Domain, as normally closed type fire resistant doorsets in, it is required that door is at normally off, this just needs to configure door closer for door；Current
Door closer is usually to use hydraulic structure, and structure is complex, and when a fire, door closer is since structure is complicated, day
The often maintenance more reasons such as difficulty, that breaks down is higher, and such as door closer breaks down at this time, and door closer and hinge will not all make
Door closure, when door-plate is influenced to deform by high temperature, makes the pin shaft run-off the straight of hinge, and door-plate will be in one at this time
Low dip state, it is separate due to gravity, cause door-plate in the state opened.
Utility model content
In view of the deficiencies of the prior art, the purpose of this utility model is intended to provide a kind of hinge of fire resistant doorsets, can
When door closer breaks down, it is ensured that door is in close state, and pin shaft run-off the straight when preventing door-plate temperature distortion.
To achieve the above objectives, the present invention adopts the following technical solutions:
A kind of hinge of fire resistant doorsets, including pin shaft, upper hinge, lower jaw, lower jaw include fixed be set in outside pin shaft
The Lower shaft sleeve in portion and with the integrally formed lower movable plate of Lower shaft sleeve, lower movable plate is fixedly connected with doorframe, and upper hinge includes can
The Upper shaft sleeve of rotation being set in outside pin shaft and with the integrally formed upper mobile board of Upper shaft sleeve, upper mobile board and door-plate are solid
It is fixed to connect, a first gear between Lower shaft sleeve and Upper shaft sleeve is fixed on pin shaft；Be fixed on upper mobile board an axle bed,
An and at least support；The hinge further includes an axis, and one end of the axis, which is worn, to be connect in axle bed, and passes through a thrust ball bearing and axis
Seat cooperation, the other end of the axis are rotatably mounted in support, and the synchronous connection of the other end that the axis passes through support has one
Second gear, the second gear are engaged with first gear；Axle position is additionally provided with a torsion between the part and axle bed inside axle bed
Spring.
The lower surface of axle bed offers a groove penetrated for axis, and torsion spring set is outside axis and is located in the groove, thrust
Ball bearing is mounted on the top of groove, is bolted with a set of gland outside axis in bottom portion of groove opening, gland and axis cooperate
Gap location be additionally provided with sealing ring.
The upper surface of axle bed is fixed with a pump nozzle being connected to groove.
A washer is additionally provided between first gear and Upper shaft sleeve, which is provided with a protrusion in a ring
Portion is connected to the lower end surface of Upper shaft sleeve at the top of the lug boss.
Recess is formed positioned at the lower section of lug boss on washer.
The inner edge of washer is provided with the multiple limit films extended downwardly, and the inner edge of first gear is provided with limit film one by one
Corresponding limiting groove, limit film is in corresponding limiting groove.
The top end face of pin shaft is also bolted with a stop screw for preventing Upper shaft sleeve to be detached from from pin shaft.
The utility model has the beneficial effects that:
Compared with the prior art, the utility model is equipped with an axis, when the door is opened, second gear on upper mobile board
First gear rotation is driven, torsional spring stores power at this time, and when discharging external force on the door, torsional spring is replied, second gear rotation is driven, the
Two gears and first gear cooperate, and rotate backward upper mobile board relative to pin shaft, so that final realize of a rotation be made to close；This
Outside, by first gear and second gear engagement cooperation, axis is made to form lateral support to pin shaft, and the support force imposes on pin
The middle part of axis can effectively prevent pin shaft run-off the straight, so that it is guaranteed that door-plate, in temperature distortion, hinge can normally make
With.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the enlarged view in Fig. 1 at A；
Fig. 3 is the perspective view of gasket in Fig. 2.
Specific embodiment
In the following, being further described in conjunction with the drawings and specific embodiments to the utility model:
As shown in Figure 1, being a kind of hinge of the utility model, fire resistant doorsets are used for, and door closer to be cooperated to use, when closing door
When device fails, it is able to maintain door and is in close state, and when deformation occurs for door-plate, cross is imposed to pin shaft by external axis
To support, door is in the state that is opened caused by preventing pin shaft tilt angle excessive, the fire resistant doorsets of the utility model
Hinge includes pin shaft 30, upper hinge 20, lower jaw 10, the structure and traditional hinge leaf phase of lower jaw 10 and upper hinge 20
Together, specifically, lower jaw 10 includes Lower shaft sleeve 11 and the integrally formed lower movable plate of Lower shaft sleeve 11 covered outside pin shaft 30
12, in the utility model, Lower shaft sleeve 11 and pin shaft 30 are secure fits, specifically be can be, by 11 sets of Lower shaft sleeve in pin shaft
After on 30, it is connected to the lower end surface of Lower shaft sleeve 11 on the boss 30 of 30 bottom end of pin shaft, and in boss 30 and Lower shaft sleeve 11
It is fixed at the position of cooperation using spot welding；Upper hinge 20 include rotatably be set in Upper shaft sleeve 21 outside pin shaft 30, with it is upper
The integrally formed upper mobile board 22 of axle sleeve 21, i.e. upper mobile board 22 can be rotated around pin shaft 30, upper mobile board 22 by screw with
Door-plate is fixedly connected, and lower movable plate 12 is fixed by screws on doorframe.A first gear is further fixed on pin shaft 30
40, the first gear 40 is between Upper shaft sleeve 21 and Lower shaft sleeve 11, the fixation of first gear 40 and pin shaft 30, can be
Flat hole is opened up on one gear 40, opens up flat on pin shaft 30 to realize, as long as in short, realizing that the two rotates synchronously；
50, two supports 70 of an axle bed are fixed on upper mobile board 22；It is worn in axle bed 50 and two supports 70 and is connected to an axis 60, specifically
, the top end part of axis 60, which is worn, to be connect in axle bed 50, two 70 sets of support outside axis 60, for limiting the beat of axis 60, axis 60
Top is cooperated by a thrust ball bearing 51 and axle bed 50, so that axis 60 can be rotated relative to axle bed 50, meanwhile, the thrust
Ball bearing 51 is also capable of providing longitudinal bracing, makes axis 60 under the action of door-plate gravity, is also able to carry out rotation.Axis 60 it is another
End is rotatably mounted in the support 70 of lower section, and the synchronous connection on the bottom end of the support 70 of axis 60 has one
Second gear 61, the second gear 61 are engaged with first gear 40；In order to reduce abrasion, it is additionally provided in above-mentioned support 70
Bushing, bushing cover on axis 60.Axis 60 is located at the part inside axle bed 50 and is additionally provided with a torsional spring 53 between axle bed 50.
The utility model is equipped with an axis 60 on upper mobile board, and when the door is opened, second gear 61 drives the first tooth
40 rotation of wheel, torsional spring 53 stores power at this time, and when discharging external force on the door, torsional spring 53 is replied, and second gear 61 is driven to rotate, and second
Gear 61 and first gear 40 cooperate, and rotate backward upper mobile board 22 relative to pin shaft 30, to make a rotation is final to realize
It closes；In addition, so that axis 60 is formed lateral support to pin shaft 30 by first gear 40 and the engagement cooperation of second gear 60, and
And the support force imposes on the middle part of pin shaft 30, pin shaft run-off the straight can be effectively prevented, so that it is guaranteed that door-plate is in temperature distortion
When, hinge can be used normally.
In the preferred embodiment of the utility model, a groove penetrated for axis, torsional spring are offered in the lower surface of axle bed 50
53 sets in the outside of axis 50 and are located in the groove, and thrust ball bearing 51 is mounted on the top of groove, in bottom portion of groove opening spiral shell
It is connected to a set of gland 52 outside axis, the gap location of gland 52 and axis cooperation is additionally provided with sealing ring, using gland 52 to pushing away
Power ball bearing 51 and torsional spring 53 are protected, and prevent dust from entering inside axle bed 50, influence thrust ball bearing 51 and torsional spring
It works normally.It is, of course, also possible to which a pump nozzle 54 is arranged on axle bed 50, it is connected to groove, the pump nozzle 54 can be passed through
Lubricating oil is conveyed, into groove in order to daily maintenance.
In other embodiments, first gear 40 is worn in order to prevent, is also set between first gear 40 and Upper shaft sleeve 21
It is equipped with a washer 41, which is provided with a lug boss 411 in a ring, and the top of the lug boss 411 is connected to
The lug boss 411 contacted with Upper shaft sleeve 21 is arranged in the lower end surface of Upper shaft sleeve 21 on washer 41, to reduce frictional force herein.
Form recess positioned at the lower section of lug boss 411 on washer, that is to say, that the lug boss 411 formed on washer 41 be punching press and
At, in this way, the support of elasticity can be formed at lug boss 411 to Upper shaft sleeve 21, thus door-plate when buffering door-plate rotation
Impact of the gravity to first gear 40.In the utility model, it can be and be mounted on what washer 41 synchronized in first gear 40, have
Body, the inner edge of washer 41 is provided with the multiple limit films 412 extended downwardly, and the inner edge of first gear 40 is provided with and limit film
One-to-one limiting groove, limit film 412 is in corresponding limiting groove.Of course, it is possible to be in first gear
40 upper and lower surface is respectively mounted above-mentioned washer 41, and the washer 41 positioned at 40 lower surface of first gear can only be used as elastic buffer
Part, the top end face of pin shaft 30 are also bolted with a stop screw 32 for preventing Upper shaft sleeve 21 to be detached from from pin shaft 30, certainly,
The compression degree to washer 41 can be adjusted by rotary stopper screw 32.
Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned reality
Example is applied the utility model is described in detail, those skilled in the art should understand that, it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features, and these
It modifies or replaces, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (7)
1. a kind of hinge of fire resistant doorsets, including pin shaft, upper hinge, lower jaw, which is characterized in that lower jaw includes fixed is arranged
Lower shaft sleeve outside pin shaft and with the integrally formed lower movable plate of Lower shaft sleeve, lower movable plate is fixedly connected with doorframe, upper conjunction
Page include rotatably be set in Upper shaft sleeve outside pin shaft and with the integrally formed upper mobile board of Upper shaft sleeve, upper mobile board
It is fixedly connected with door-plate, a first gear between Lower shaft sleeve and Upper shaft sleeve is fixed on pin shaft；It is fixed on upper mobile board
There are an axle bed and at least a support；The hinge further includes an axis, and one end of the axis, which is worn, to be connect in axle bed, and passes through a thrust
Ball bearing and axle bed cooperate, and the other end of the axis is rotatably mounted in support, and the axis is same across the other end of support
Step connection has a second gear, which engages with first gear；Axle position is gone back between the part and axle bed inside axle bed
It is provided with a torsional spring.
2. the hinge of fire resistant doorsets as described in claim 1, which is characterized in that the lower surface of axle bed offer one penetrated for axis it is recessed
Slot, torsion spring set is outside axis and is located in the groove, and thrust ball bearing is mounted on the top of groove, in bottom portion of groove opening spiral shell
It is connected to a set of gland outside axis, the gap location that gland and axis cooperate is additionally provided with sealing ring.
3. the hinge of fire resistant doorsets as claimed in claim 2, which is characterized in that the upper surface of axle bed is fixed with one and is connected to groove
Pump nozzle.
4. the hinge of fire resistant doorsets as described in claim 1, which is characterized in that be additionally provided with one between first gear and Upper shaft sleeve
Washer, the upper surface of washer are provided with a lug boss in a ring, and the lower end surface of Upper shaft sleeve is connected at the top of the lug boss.
5. the hinge of fire resistant doorsets as claimed in claim 4, which is characterized in that the lower section on washer positioned at lug boss forms recessed
Position.
6. the hinge of fire resistant doorsets as claimed in claim 4, which is characterized in that the inner edge of washer be provided with extend downwardly it is multiple
Limit film, the inner edge of first gear is provided with to be embedded in corresponding with the one-to-one limiting groove of limit film, limit film
In limiting groove.
7. the hinge of fire resistant doorsets as described in claim 1, which is characterized in that the top end face of pin shaft is also bolted with one for preventing
The stop screw that Upper shaft sleeve is detached from from pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821260879.3U CN209011716U (en) | 2018-08-06 | 2018-08-06 | A kind of hinge of fire resistant doorsets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821260879.3U CN209011716U (en) | 2018-08-06 | 2018-08-06 | A kind of hinge of fire resistant doorsets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209011716U true CN209011716U (en) | 2019-06-21 |
Family
ID=66830751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821260879.3U Expired - Fee Related CN209011716U (en) | 2018-08-06 | 2018-08-06 | A kind of hinge of fire resistant doorsets |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209011716U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112593770A (en) * | 2020-11-26 | 2021-04-02 | 吴成周 | Hidden cupboard handle |
-
2018
- 2018-08-06 CN CN201821260879.3U patent/CN209011716U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112593770A (en) * | 2020-11-26 | 2021-04-02 | 吴成周 | Hidden cupboard handle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190621 Termination date: 20210806 |