CN110067494B - Hand clamping prevention device for door gap of revolving door - Google Patents
Hand clamping prevention device for door gap of revolving door Download PDFInfo
- Publication number
- CN110067494B CN110067494B CN201910160757.XA CN201910160757A CN110067494B CN 110067494 B CN110067494 B CN 110067494B CN 201910160757 A CN201910160757 A CN 201910160757A CN 110067494 B CN110067494 B CN 110067494B
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- door
- door body
- shaft
- gap
- revolving
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
- E06B7/36—Finger guards or other measures preventing harmful access between the door and the door frame
- E06B7/367—Finger guards or other measures preventing harmful access between the door and the door frame by covering the gap between the door and the door frame at the hinge side
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Wing Frames And Configurations (AREA)
- Special Wing (AREA)
Abstract
The invention relates to a hand clamping prevention device for a door gap of a revolving door, which relates to the technical field of revolving door safety and is arranged on the revolving door, wherein the revolving door comprises a side door frame, a rotatable door body and a door shaft serving as a rotating central shaft of the door body, which are vertically arranged, and the door shaft is vertically arranged at the edge of the door body and is rotationally connected with the door body; the hand clamping prevention device comprises a cylindrical protection strip coaxially sleeved on the door shaft, and a clamping groove for fixedly connecting with the door body is formed in one side, close to the door body, of the protection strip; the radius of the protective strip is consistent with the distance from the axis of the door shaft to the side doorframe. The hand clamping prevention device for the door gap of the revolving door disclosed by the invention can avoid the problem of hand clamping of the door gap between the door body and the door frame of the revolving door, and is simple in structure and low in cost.
Description
Technical Field
The invention relates to the technical field of revolving door safety, in particular to a hand clamping prevention device for a revolving door crack.
Background
Revolving doors are widely used in buildings, and are more commonly used in public buildings because of their easy access. However, when the revolving door is in a closed state, a gap exists between the edge of the door body of the common revolving door and the door frame, and the hands of people leaning at the door or children playing nearby are easily clamped by the revolving door in the rotating process to cause injury. Particularly, children with weak safety consciousness are easy to hurt.
Disclosure of Invention
The invention provides a hand clamping prevention device for a door gap of a revolving door, which aims to solve the technical problems that the hand clamping is caused by the door gap between a door body and a door frame of the revolving door, and the hand clamping prevention device is simple in structure and low in cost.
The technical scheme for solving the technical problems is as follows: the utility model provides a hand device is prevented pressing from both sides by revolving door crack, installs on the revolving door, the revolving door includes the side door frame of vertical setting, the rotatable door body, as the door-hinge of the rotatory center pin of the door body, the vertical setting of door-hinge is connected at the border of the door body and with the door body rotation. The hand clamping prevention device comprises a cylindrical protection strip coaxially sleeved on the door shaft, and a clamping groove for fixedly connecting with the door body is formed in one side, close to the door body, of the protection strip; the radius of the protective strip is consistent with the distance from the axis of the door shaft to the side doorframe.
One side that the door body was kept away from to the protection strip contacts with the side door frame and with side door frame sliding contact, makes the protection strip can rotate along with the rotation of the door body, also can fill the crack between door frame and the door body, avoids people at the door body rotation in-process, because the crack increase between the door body and the door frame and is absorbed in the limbs, causes the in-process of door body gyration to press from both sides and hinder.
The anti-hand-clamping device is additionally arranged on the existing door body, the technical effect of preventing hand clamping can be realized without changing the structure of the revolving door, and the anti-hand-clamping device is simple in structure, low in cost and cheap to install.
Furthermore, the clamping groove is a U-shaped groove extending along the vertical direction of the door shaft, the shape of the clamping groove is consistent with that of the edge of the door body, and the clamping groove is in interference fit with the door body. One side of the door body which is rotatably connected with the door shaft is embedded into the clamping groove, so that the protective strip wraps the edge of the door body, the hand clamping prevention device and the door body are connected into a whole, debugging is avoided, and the service life is long.
Further, the side door frame still is provided with the rigging board of pressing close to with the protection strip, the clearance of rigging board and protection strip is little, can further prevent to take place the tong when closing the door.
Further, the side that the protecting strip is pressed close to the rigging board is the arcwall face with protecting strip clearance fit, the side that the protecting strip was kept away from to the rigging board be with side door frame vertically plane, utilize the rigging board to cover better the little gap of contact department or the existence of protecting strip and side door frame. Preferably, the joint of laminating board and side door frame smooth transition makes it more pleasing to the eye, is convenient for clean.
Further, the gap between the arc-shaped surface and the protective strip is gradually increased from one side close to the door body to one side close to the side doorframe; the clearance that one side of arcwall face is close to the door body and protection strip is zero, makes protection strip and rigging board linear contact, makes do not have the gap that can press from both sides the hand between guard plate and the rigging board, reduces the frictional force between rigging board and the protection strip again as far as possible simultaneously, makes the promotion door body rotate more laborsavingly.
Furthermore, the attaching plate is symmetrically arranged on the inner side and the outer side of the door body along the axis of the door shaft, so that the technical effect that the inner side and the outer side of the door body are prevented from being clamped is achieved.
Furthermore, the anti-pinch device also comprises a rotating shaft, two ends of the rotating shaft are arranged on the side doorframe, and the attaching plate is rotatably connected with the rotating shaft; the rotating shaft is also provided with a torsion spring for providing a rotary force for the attaching plate; the binding plate is contacted with the protection strip line under the action of the torsion spring. Torsion spring makes attaching plate and protection strip remain linear contact throughout, makes do not have the gap that can press from both sides the hand between protection plate and the attaching plate throughout, reduces the frictional force between attaching plate and the protection strip again as far as possible simultaneously, makes the promotion door body rotate more laborsavingly.
Preferably, torsion spring sets up the upper and lower both ends at the laminating board, makes the gyroscopic force that the laminating board received more even, increase of service life.
Further, the pivot is the step shaft that the lower extreme diameter is greater than the upper end diameter, the rigging board cup joints just with the less one section of pivot diameter the lower extreme of rigging board is placed on the step of the less one section of pivot diameter and the great one section of diameter formation, and the rigidity, its assembly is simple, stability is good.
Preferably, the attaching plate, the rotating shaft and the torsion spring are symmetrically arranged on the inner side and the outer side of the door body along the axis of the door shaft, so that the technical effect of preventing the hands from being clamped on the inner side and the outer side of the door body is achieved.
The invention has the beneficial effects that: (1) the hand clamping prevention device for the door gap of the revolving door disclosed by the invention can avoid the problem of hand clamping of the door gap between the door body and the door frame of the revolving door, and is simple in structure and low in cost.
(2) The hand clamping prevention device for the door gap of the revolving door is further provided with the attaching plate for further preventing the door body from clamping hands in the rotating process.
(3) The hand clamping prevention device for the door gap of the revolving door disclosed by the invention is connected with the revolving door into a whole, so that the debugging is avoided, and the service life is long.
Drawings
FIG. 1 is a schematic structural view of a hand-pinching prevention device for a revolving door gap according to the present invention;
FIG. 2 is a cross-sectional view of a hand pinch prevention device for a revolving door slot of the present invention;
FIG. 3 is a schematic structural view of a hand-pinching prevention device for a door gap of a revolving door according to embodiment 3 of the present invention;
FIG. 4 is a partial enlarged view of FIG. 3 of the anti-pinch device for a revolving door opening of the present invention;
FIG. 5 is a sectional view of the rotating shaft of FIG. 3 for a hand pinch prevention device of a revolving door gap according to the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
101-side doorframe, 102-door body, 103-door shaft, 1-protective strip, 11-clamping groove, 2-binding plate, 21-arc surface, 3-rotating shaft and 4-torsion spring.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1 and 2, the hand clamping prevention device for the door gap of the revolving door provided by the embodiment is installed on the revolving door, the revolving door comprises a vertically arranged side door frame 101, a rotatable door body 102 and a door shaft 103 serving as a rotating central shaft of the door body 102, and the door shaft 103 is vertically arranged at the edge of the door body 102 and is rotatably connected with the door body 102. The hand clamping prevention device comprises a cylindrical protection strip 1 coaxially sleeved on a door shaft 103, and a clamping groove 11 for fixedly connecting the door body 102 is formed in one side, close to the door body 102, of the protection strip 1; the radius of the protective strip 1 is consistent with the distance from the axis of the door shaft 103 to the side door frame 101.
One side of the protection strip 1, which is far away from the door body 102, is in contact with the side door frame 101 and is in sliding contact with the side door frame 101, so that the protection strip 1 can rotate along with the rotation of the door body 102 and can also fill the door gap between the door frame and the door body 102, and the problem that people are trapped in limbs due to the increase of the door gap between the door body 102 and the door frame in the rotation process of the door body 102 to cause the clamping injury of the door body 102 in the rotation process is avoided.
The working principle is as follows: in the process of opening the revolving door, the door body 102 rotates with the door shaft 103 as a rotating shaft, and the distance between the door shaft 103 and the side doorframe 101 is always kept unchanged. Because the setting of protection strip 1 is between side door frame 101 and the door body 102, and protection strip 1 is the cylindrical that extends along door-hinge 103 from door body 102 top to the bottom of door body 102, consequently, at door body 102 rotation in-process, protection strip 1 is filled all the time between door body 102 and side door frame 101, keep in contact all the time between protection strip 1 and the side door frame 101, there is not the gap, make limbs such as people's hand can not imbed between door body 102 and the side door frame 101, cause the clamp to hinder, realize preventing the technological effect that the hand from pressing from both sides and hindering.
Preferably, the radius of the guard bar 1 is greater than the distance between the axis of the door shaft 103 and the side door frame 101; one surface of the side doorframe 101, which is in contact with the protective strip 1, is provided with a vertically extending arc-shaped groove; the arc-shaped groove and the protection strip 1 are in tolerance fit or clearance fit, so that the protection strip 1 is embedded into the arc-shaped groove and is in contact with or close to the inner surface of the arc-shaped groove, the contact or close area of the side door frame 101 and the protection strip 1 is increased, and the door body 102 is further prevented from being opened and closed to cause injuries such as hand injury caused by clamping.
Preferably, the clamping groove 11 is a U-shaped groove extending along the vertical direction of the door shaft 103, the shape of the clamping groove 11 is consistent with the edge of the door body 102, and the clamping groove 11 is in interference fit with the door body 102. One side of the door body 102 rotatably connected with the door shaft 103 is embedded into the clamping groove 11, so that the protective strip 1 wraps the edge of the door body 102, the hand clamping prevention device and the door body 102 are connected into a whole, debugging is avoided, and the service life is long.
Example 2
The embodiment is improved on the basis of embodiment 1, and the improvement is as follows: side door frame 101 still is provided with the rigging board 2 of pressing close to with protection strip 1, the clearance of rigging board 2 and protection strip 1 is little, can further prevent to take place the tong when closing the door. Attaching plate 2 is fixed on side door frame 101, and corresponds protection strip 1 and extends to the lower extreme of protection strip 1 from the upper end of protection strip 1. The interval between the attaching plate 2 and the protective strip 1 is close but not equal to zero, so that the gap between the attaching plate 2 and the protective strip 1 can not extend into the limbs of people, and hands can be prevented from being clamped.
Preferably, the side that rigging board 2 pressed close to protection strip 1 is the arcwall face 21 with protection strip 1 clearance fit, the side that rigging board 2 kept away from protection strip 1 is for the plane perpendicular with side door frame 101, utilizes rigging board 2 to cover better with the contact department of protection strip 1 and side door frame 101 or the tiny gap that exists. Preferably, the joint of the attaching plate 2 and the side doorframe 101 is in smooth transition, so that the attaching plate is more attractive and is convenient to clean.
Preferably, the gap between the arc-shaped surface 21 and the guard bar 1 gradually increases from the side close to the door body 102 to the side close to the side doorframe 101; the clearance that one side of arcwall face 21 is close to the door body 102 and protection strip 1 is zero, makes protection strip 1 and rigging board 2 linear contact, makes do not have the gap that can press from both sides the hand between protection plate and the rigging board 2, reduces the frictional force between rigging board 2 and the protection strip 1 again as far as possible simultaneously, makes the promotion door body 102 rotate more laborsavingly.
Preferably, the attaching plates 2 are symmetrically arranged on the inner side and the outer side of the door body 102 along the axis of the door shaft 103, so that the technical effect of preventing the hands from being clamped on the inner side and the outer side of the door body 102 is achieved.
Other parts in this embodiment are substantially the same as those in embodiment 1, and therefore are not described in detail.
Example 3
The embodiment is improved on the basis of embodiment 1 or 2, and the improvement is that: as shown in fig. 3 to 5, the anti-pinch device further includes a rotating shaft 3 having two ends mounted on the side doorframe 101, and the attachment plate 2 is rotatably connected to the rotating shaft 3; the rotating shaft 3 is also provided with a torsion spring 4 for providing a rotary force for the attaching plate 2; the attaching plate 2 is in line contact with the protective strip 1 under the action of the torsion spring 4. The torsion spring 4 keeps the attachment plate 2 and the protection strip 1 in linear contact all the time, so that a gap which can be used for clamping a hand is not formed between the protection plate and the attachment plate 2 all the time, and meanwhile, the friction force between the attachment plate 2 and the protection strip 1 is reduced as much as possible, so that the door body 102 is pushed to rotate more laborsavingly.
Preferably, torsion spring 4 sets up the upper and lower both ends at attaching plate 2, makes attaching plate 2 receive the gyroscopic force more even, increase of service life.
Preferably, pivot 3 is the step shaft that the lower extreme diameter is greater than the upper end diameter, the laminating board 2 cup joints just with the less one section of 3 diameters of pivot the lower extreme of laminating board 2 is placed on the step of the less one section of 3 diameters of pivot and the great one section formation of diameter, and the rigidity, its assembly is simple, stability is good.
Namely: the pivot 3 includes the less first section 31 of diameter and the great second section 32 of diameter, first section 31 and second section 32 are connected as an organic wholely, the border that rigging board 2 is close to side door frame 101 is provided with the through-hole of vertical extension, the internal diameter of through-hole is the same with first section 31 external diameter, makes rigging board 2 can overlap and establish in pivot 3 and can follow pivot 3 rotations. The lower end of the attachment panel 2 is placed on the step mountain formed by the first section 31 and the second section 32 by gravity. The side door frame 101 is further provided with a rotating block, and one end of the first section 31, which is far away from the second section 32, is embedded into the rotating block to complete the installation of the rotating shaft 3 and the attaching plate 2.
Preferably, the attaching plate 2, the rotating shaft 3 and the torsion spring 4 are symmetrically arranged on the inner side and the outer side of the door body 102 along the axis of the door shaft 103, so that the technical effect of preventing the inside and the outer side of the door body 102 from being pinched is achieved.
Other parts in this embodiment are substantially the same as those in embodiment 1 or 2, and therefore are not described in detail.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A hand clamping prevention device for a door gap of a revolving door is installed on the revolving door, the revolving door comprises a side door frame (101) which is vertically arranged, a rotatable door body (102) and a door shaft (103) which is used as a rotating central shaft of the door body (102), and the door shaft (103) is vertically arranged at the edge of the door body (102) and is rotatably connected with the door body (102); the method is characterized in that: the door protection device comprises a cylindrical protection strip (1) coaxially sleeved on a door shaft (103), wherein a clamping groove (11) fixedly connected with a door body (102) is formed in one side, close to the door body (102), of the protection strip (1); the radius of the protective strip (1) is consistent with the distance from the axis of the door shaft (103) to the side doorframe (101);
the side doorframe (101) is also provided with a binding plate (2) which is close to the protective strip (1);
the door frame also comprises a rotating shaft (3) of which two ends are arranged on the side door frame (101), and the attaching plate (2) is rotationally connected with the rotating shaft (3); the rotating shaft (3) is also provided with a torsion spring (4) used for providing a rotary force for the attaching plate (2); the attaching plate (2) is in line contact with the protective strip (1) under the action of the torsion spring (4).
2. The hand clamping prevention device for the door gap of the revolving door as claimed in claim 1, wherein the clamping groove (11) is a U-shaped groove extending in the vertical direction of the door shaft (103), the shape of the clamping groove (11) is consistent with the edge of the door body (102), and the clamping groove (11) is in interference fit with the door body (102).
3. The hand-clamping prevention device for the door gap of the revolving door as claimed in claim 1, wherein the side of the attaching plate (2) close to the protective strip (1) is an arc-shaped surface (21) which is in clearance fit with the protective strip (1).
4. The rotary door crack anti-pinch device as claimed in claim 3, characterized in that the gap between the arc-shaped surface (21) and the guard bar (1) is gradually increased from the side close to the door body (102) to the side close to the side door frame (101); the gap between one side of the arc-shaped surface (21) close to the door body (102) and the protective strip (1) is zero.
5. A hand pinch prevention device for a revolving door according to any one of claims 3 to 4, characterized in that the attachment plates (2) are symmetrically arranged on the inner and outer sides of the door body (102) along the axis of the door shaft (103).
6. The hand pinch prevention device for the door gap of the revolving door according to claim 1, wherein the torsion springs (4) are disposed at the upper and lower ends of the attachment plate (2).
7. The hand clamping prevention device for the door gap of the revolving door according to claim 1, wherein the rotating shaft (3) is a stepped shaft with a diameter of the lower end larger than that of the upper end, the attachment plate (2) is sleeved with a section of the rotating shaft (3) with a smaller diameter, and the lower end of the attachment plate (2) is placed on a step formed by a section of the rotating shaft (3) with a smaller diameter and a section with a larger diameter.
8. The hand pinch prevention device for the door gap of the revolving door according to any one of claims 6 to 7, wherein the attachment plate (2), the rotating shaft (3) and the torsion spring (4) are symmetrically arranged on the inner side and the outer side of the door body (102) along the axis of the door shaft (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910160757.XA CN110067494B (en) | 2019-03-04 | 2019-03-04 | Hand clamping prevention device for door gap of revolving door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910160757.XA CN110067494B (en) | 2019-03-04 | 2019-03-04 | Hand clamping prevention device for door gap of revolving door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110067494A CN110067494A (en) | 2019-07-30 |
| CN110067494B true CN110067494B (en) | 2020-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910160757.XA Active CN110067494B (en) | 2019-03-04 | 2019-03-04 | Hand clamping prevention device for door gap of revolving door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110067494B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110578436B (en) * | 2019-10-12 | 2021-03-12 | 江苏亚太特种铸钢厂有限公司 | Annular self-locking buffer door spindle |
| TWI801135B (en) * | 2022-02-15 | 2023-05-01 | 林帛亨 | A curtain structure to avoid finger injuries |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2207174A (en) * | 1987-07-24 | 1989-01-25 | Stephen Roger Wakefield | Safety guard for a hinged member |
| US6134839A (en) * | 1996-12-27 | 2000-10-24 | Johansson; Evald | Clamping injury guard |
| CN201495963U (en) * | 2009-08-11 | 2010-06-02 | 龙西勇 | Finger-protective device |
| CN102400620A (en) * | 2010-09-14 | 2012-04-04 | 巧设计顾问有限公司 | safety door stopper |
-
2019
- 2019-03-04 CN CN201910160757.XA patent/CN110067494B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2207174A (en) * | 1987-07-24 | 1989-01-25 | Stephen Roger Wakefield | Safety guard for a hinged member |
| US6134839A (en) * | 1996-12-27 | 2000-10-24 | Johansson; Evald | Clamping injury guard |
| CN201495963U (en) * | 2009-08-11 | 2010-06-02 | 龙西勇 | Finger-protective device |
| CN102400620A (en) * | 2010-09-14 | 2012-04-04 | 巧设计顾问有限公司 | safety door stopper |
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| Publication number | Publication date |
|---|---|
| CN110067494A (en) | 2019-07-30 |
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