CN202755781U - Safety door capable of being closed automatically - Google Patents
Safety door capable of being closed automatically Download PDFInfo
- Publication number
- CN202755781U CN202755781U CN201220374083.7U CN201220374083U CN202755781U CN 202755781 U CN202755781 U CN 202755781U CN 201220374083 U CN201220374083 U CN 201220374083U CN 202755781 U CN202755781 U CN 202755781U
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- China
- Prior art keywords
- inside casing
- safety door
- plane
- housing
- guardrail
- 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.)
- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 230000033001 locomotion Effects 0.000 claims description 4
- 230000003028 elevating effect Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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Abstract
The utility model discloses a safety door capable of being closed automatically. The safety door comprises an interior frame, an exterior frame, and a helical tooth mechanism, wherein the helical tooth mechanism is used for driving the interior frame to rotate relatively to the exterior frame and to move up and down simultaneously, the exterior frame is provided with a groove, a rotating shaft for being inserted into the groove is fixedly arranged on the interior frame, the interior frame and the exterior frame can slide oppositely along the rotating shaft via the rotating shaft and are connected in a mode of relatively rotating around an axis of the rotating shaft, the helical tooth mechanism comprises a first helical tooth and a second helical tooth, the first helical tooth is formed on the rotating shaft, and the second helical tooth is formed in the groove and meshed with the first helical tooth. By adopting above structure, the safety door capable of being closed automatically has the advantages that opening is slow, closing is stable, and impact to various parts of the safety door during opening and closing is small.
Description
Technical field
But the utility model relates to a kind of safety door of autoshutdown.
Background technology
In the prior art, the auto-closing speed of safety door is all very fast.In closing course, probably can cause infringement to all parts of safety door even the people who passes safety door.
Summary of the invention
For the problems referred to above, but the utility model discloses a kind of safety door of autoshutdown, its closing course slowly and stable.
For solving the problems of the technologies described above, but the utility model provides a kind of safety door of autoshutdown, it comprises inside casing, housing, be used for driving inside casing and rotate the helical tooth mechanism that does simultaneously elevating movement relative to housing, described housing offers a groove, be fixedly installed one on the described inside casing for the turning cylinder that inserts groove, described inside casing can be relative to each other slides and the axis direction of the moving axis that rotates rotates is connected along turning cylinder by turning cylinder and housing, and described helical tooth mechanism comprises and is formed at the first helical teeth on the turning cylinder and is formed in the groove and the second helical teeth that is meshed with described the first helical teeth.
Preferably, it also comprises a spring, and an end of this spring links to each other with the turning cylinder of described inside casing, and the other end of spring links to each other with described housing.
Preferably, described housing comprises the underframe that is positioned at the inside casing below, offers locating hole on the described underframe, is provided with on the described inside casing for the protuberance that inserts this locating hole.
Preferably, be formed with the first inclined-plane on the described housing, be formed with second inclined-plane relative with the first inclined-plane on the described inside casing, when safety door was in closure state, the second inclined-plane of described inside casing was pressed on the first inclined-plane of described housing.
Preferably, described safety door comprises the locking mechanism that is arranged on inside casing and the housing.
Preferably, described housing comprises the first guardrail and the second guardrail that lays respectively at the inside casing left and right sides, offer groove on described the second guardrail, be fixedly installed one on the described inside casing for the turning cylinder that inserts groove, described inside casing can be relative to each other slides and the axis direction of the moving axis that rotates rotates is connected along turning cylinder by turning cylinder and housing, and described safety door comprises that also one is arranged on the locking mechanism on described the first guardrail and the inside casing.
Preferably, be formed with the first inclined-plane on described the second guardrail, be formed with second inclined-plane relative with the first inclined-plane on the described inside casing, when safety door was in closure state, the second inclined-plane of described inside casing was pressed on the first inclined-plane of described the second guardrail.
The utility model adopts above structure, has the following advantages:
1. draw in slowly, steadily closed;
2. its switching process is impacted little to all parts of safety door.
Description of drawings
Accompanying drawing 1 is front view of the present utility model.
Accompanying drawing 2 is the sectional view of accompanying drawing 1.
Accompanying drawing 3 is the of the present utility model first local enlarged diagram.
Accompanying drawing 5 is the local enlarged diagram of accompanying drawing 2.
In the above accompanying drawing: 1, inside casing; 11, turning cylinder; 12, protuberance; 2, housing; 21, groove; 22, underframe; 221, locating hole; 23, the first guardrail; 24, the second guardrail; 3, spring; 4, locking mechanism.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be those skilled in the art will recognize that protection domain of the present utility model is made more explicit defining.
Shown in accompanying drawing 1-4, but a kind of safety door of autoshutdown, it comprises inside casing 1, housing 2, be used for driving inside casing 1 and rotate the helical tooth mechanism that does simultaneously elevating movement relative to housing 2, described housing 2 offers a groove 21, be fixedly installed one on the described inside casing 1 for the turning cylinder 11 that inserts groove 21, described inside casing 1 can relatively described guardrail slides along the axis direction of turning cylinder 11, described inside casing 1 can rotate relative to the rotate axial direction of moving axis 11 of guardrail again, inside casing 1 can be relative to each other slides and the axis direction of the moving axis 11 that rotates rotates is connected along turning cylinder 11 by turning cylinder 11 and housing 2, and described helical tooth mechanism comprises and is formed at the first helical teeth on the turning cylinder 11 and is formed in the groove 21 and the second helical teeth that is meshed with described the first helical teeth.
Safety door also comprises a spring 3, and an end of this spring 3 links to each other with the turning cylinder 11 of described inside casing 1, and the other end of spring 3 links to each other with described housing 2.
Described housing 2 comprises underframe 22, offers locating hole 221 on the described underframe 22, is provided with on the described inside casing 1 for the protuberance 12 that inserts this locating hole 221.
Be formed with the first inclined-plane on the described housing 2, be formed with second inclined-plane relative with the first inclined-plane on the described inside casing 1, when safety door was in closure state, the second inclined-plane of described inside casing 1 was pressed on the first inclined-plane of described housing 2.
Safety door comprises that also one is arranged on the locking mechanism 4 on inside casing 1 and the housing 2.This locking mechanism 4 can be fixed on inside casing 1 on the housing 2, also can be with inside casing 1 and housing 2 releases.Further, housing 2 comprises the first guardrail 23 and the second guardrail 24 that lays respectively at inside casing 1 left and right sides, offer groove 21 on described the second guardrail 24, be fixedly installed one on the described inside casing 1 for the turning cylinder 11 that inserts groove 21, described safety door comprises that also a connection is arranged on the locking mechanism 4 on described the first guardrail 23 and the inside casing 1.
Be formed with the first inclined-plane on the first guardrail 23, be formed with second inclined-plane relative with the first inclined-plane on the described inside casing 1, when safety door was in closure state, the second inclined-plane of described inside casing 1 was pressed on the first inclined-plane of described the first guardrail 23.
Shown in accompanying drawing 1-5, among the first embodiment of the present utility model, but a kind of safety door of autoshutdown, it comprises inside casing 1, housing 2, helical tooth mechanism, locking mechanism 4, spring 3.
Shown in attached Fig. 1 and 2, shell comprises the first guardrail 23, the second guardrail 24 that lays respectively at inside casing 1 left and right sides and the underframe 22 that is positioned at inside casing 1 below.
The button that locking mechanism 4 comprises body, the dead bolt that is arranged on the inside casing 1 and orders about the dead bolt motion is provided with the outer hole corresponding with dead bolt on the first guardrail 23.In the hole, this safety door is in the closed-lock state outside dead bolt inserts; When dead bolt and outer hole were separated, this safety door was in released state.
Shown in accompanying drawing 2 to 5, offer groove 21 on the second guardrail 24.Inside casing 1 is fixedly installed one for the turning cylinder 11 that inserts groove 21 in the side near the second guardrail 24, inside casing 1 can relatively described the second guardrail 24 slides along the axis direction of turning cylinder 11, and described inside casing 1 can rotate relative to the rotate axial direction of moving axis 11 of the second guardrail 24 again.
Be formed with the first inclined-plane on the second guardrail 24.Inside casing 1 is formed with second inclined-plane relative with the first inclined-plane in the side near the second guardrail 24, and when safety door was in closure state, the second inclined-plane of described inside casing 1 was pressed on the first inclined-plane of described the second guardrail 24.The setting on the first inclined-plane and the second inclined-plane can reduce active force between inside casing 1 and the housing 2, to reach the effect of a buffering.
As shown in Figure 2, offer locating hole 221 on the underframe 22, be provided with the protuberance 12 corresponding with this locating hole 221 on the inside casing 1.When safety door was in closure state, protuberance 12 inserted in the locating hole 221 of underframe 22, to guarantee the intensity of this safety door.
Shown in accompanying drawing 3 to 5, helical tooth mechanism comprises and is formed at the first helical teeth on the turning cylinder 11 and is formed in the groove 21 and the second helical teeth that is meshed with described the first helical teeth.
One end of spring 3 links to each other with the turning cylinder 11 of described inside casing 1, and the other end of spring 3 links to each other with described housing 2.
Operating principle of the present utility model is as follows:
1, as shown in Figures 2 and 3, inside casing 1 is in initial position.As shown in Figure 4, with the latch-up structure release, after dead bolt breaks away from the outer hole of the first guardrail 23, inside casing 1 along relative the second guardrail 24 of the axis direction of turning cylinder 11 slide rise to certain altitude after, rotate relative the second guardrail of axis direction 24 rotating opening of moving axis 11 of inside casing 1; When operating personnel leave safety door, under the resetting of spring 3 and Action of Gravity Field, inside casing 1 slides when descending along relative the second guardrail 24 of the axis direction of turning cylinder 11, be formed at the transmission that is meshed with the second helical teeth in being formed at groove 21 of the first helical teeth on the turning cylinder 11, order about the rotate axial direction of moving axis 11 of inside casing 1 and rotate relative to the second guardrail 24 and close.It is rear fixing that the protuberance 12 of inside casing 1 inserts the locating hole 221 of underframe 22.In the process of safety door closure, owing to contacting by the inclined-plane between inside casing 1 and the second guardrail 24, the local pressure that assurance inside casing 1 bears is unlikely to excessive, and is stressed average, reduced the impact in closing course.
The utility model adopts above structure, has the following advantages:
1. draw in slowly, steadily closed;
2. its switching process is impacted little to all parts of safety door.
Above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with technique can understand content of the present utility model and according to this enforcement, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, and all should be encompassed within the protection domain of the present utility model.
Claims (7)
1. but the safety door of an autoshutdown, it is characterized in that, it comprises inside casing, housing, rotates the helical tooth mechanism that does simultaneously elevating movement relative to housing for driving inside casing, described housing offers a groove, be fixedly installed one on the described inside casing for the turning cylinder that inserts groove, described inside casing can be relative to each other slides and the axis direction of the moving axis that rotates rotates is connected along turning cylinder by turning cylinder and housing, and described helical tooth mechanism comprises and is formed at the first helical teeth on the turning cylinder and is formed in the groove and the second helical teeth that is meshed with described the first helical teeth.
But 2. the safety door of autoshutdown according to claim 1, it is characterized in that: it also comprises a spring, and an end of this spring links to each other with the turning cylinder of described inside casing, and the other end of spring links to each other with described housing.
3. but the safety door of autoshutdown according to claim 1 is characterized in that: described housing comprises the underframe that is positioned at the inside casing below, offers locating hole on the described underframe, is provided with on the described inside casing for the protuberance that inserts this locating hole.
4. but the safety door of autoshutdown according to claim 1, it is characterized in that: be formed with the first inclined-plane on the described housing, be formed with second inclined-plane relative with the first inclined-plane on the described inside casing, when safety door was in closure state, the second inclined-plane of described inside casing was pressed on the first inclined-plane of described housing.
5. but the safety door of autoshutdown according to claim 1, it is characterized in that: described safety door comprises the locking mechanism that is arranged on inside casing and the housing.
6. but the safety door of autoshutdown according to claim 1, it is characterized in that: described housing comprises the first guardrail and the second guardrail that lays respectively at the inside casing left and right sides, offer groove on described the second guardrail, be fixedly installed one on the described inside casing for the turning cylinder that inserts groove, described inside casing can be relative to each other slides and the axis direction of the moving axis that rotates rotates is connected along turning cylinder by turning cylinder and housing, and described safety door comprises that also one is arranged on the locking mechanism on described the first guardrail and the inside casing.
7. but the safety door of autoshutdown according to claim 6, it is characterized in that: be formed with the first inclined-plane on described the second guardrail, be formed with second inclined-plane relative with the first inclined-plane on the described inside casing, when safety door was in closure state, the second inclined-plane of described inside casing was pressed on the first inclined-plane of described the second guardrail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220374083.7U CN202755781U (en) | 2012-07-31 | 2012-07-31 | Safety door capable of being closed automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220374083.7U CN202755781U (en) | 2012-07-31 | 2012-07-31 | Safety door capable of being closed automatically |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202755781U true CN202755781U (en) | 2013-02-27 |
Family
ID=47734970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220374083.7U Expired - Fee Related CN202755781U (en) | 2012-07-31 | 2012-07-31 | Safety door capable of being closed automatically |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202755781U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487228A (en) * | 2013-08-30 | 2014-01-01 | 北京航天益森风洞工程技术有限公司 | Side door opening/closing mechanism for hypersonic velocity wind tunnel test section |
| CN104790864A (en) * | 2015-02-12 | 2015-07-22 | 浙江鑫博婴童用品有限公司 | Door sill capable of being closed automatically |
-
2012
- 2012-07-31 CN CN201220374083.7U patent/CN202755781U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487228A (en) * | 2013-08-30 | 2014-01-01 | 北京航天益森风洞工程技术有限公司 | Side door opening/closing mechanism for hypersonic velocity wind tunnel test section |
| CN103487228B (en) * | 2013-08-30 | 2015-12-23 | 北京航天益森风洞工程技术有限公司 | A kind of hypersonic wind tunnel experiment section side door switching mechanism |
| CN104790864A (en) * | 2015-02-12 | 2015-07-22 | 浙江鑫博婴童用品有限公司 | Door sill capable of being closed automatically |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20130227 Termination date: 20210731 |