CN112302458A - Anti-rebound device and method suitable for containment personnel gate - Google Patents
Anti-rebound device and method suitable for containment personnel gate Download PDFInfo
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- CN112302458A CN112302458A CN202011166444.4A CN202011166444A CN112302458A CN 112302458 A CN112302458 A CN 112302458A CN 202011166444 A CN202011166444 A CN 202011166444A CN 112302458 A CN112302458 A CN 112302458A
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- transmission shaft
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- opening
- device suitable
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- 238000000034 method Methods 0.000 title abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 52
- 238000013016 damping Methods 0.000 claims abstract description 52
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 230000007423 decrease Effects 0.000 claims 1
- 230000002265 prevention Effects 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 description 16
- 230000008859 change Effects 0.000 description 3
- 241000417436 Arcotheres Species 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000005570 vertical transmission Effects 0.000 description 1
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Classifications
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- 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
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
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- 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
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
- E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- 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—Type of wing
- E05Y2900/132—Doors
Landscapes
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
The invention discloses a rebound prevention device and a rebound prevention method suitable for a containment personnel gate, which solve the problem that a transmission part is damaged due to the rebound problem in the opening and closing process of the gate in the prior art, and have the advantages of ensuring the normal and reliable opening and closing operation of the gate and ensuring the stable transmission of a door body. The specific scheme is as follows: the utility model provides a prevent resilient mounting suitable for containment personnel gate, is including installing in the resilience mechanism and the bearing frame of preventing of transmission shaft, and the transmission shaft passes the bearing frame, and the bearing frame is connected with the doorframe, prevents that resilience mechanism is fixed in the bearing frame, prevents that resilience mechanism is including being fixed in the annular opening cover of transmission shaft, and the week side of opening cover sets up the damping supporting seat that links firmly with the bearing frame, and the damping supporting seat sets up adjustable retaining member.
Description
Technical Field
The invention relates to the field of nuclear power, in particular to a rebound prevention device and method suitable for a containment personnel gate.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The containment personnel gate is a passage for operating and maintaining personnel to enter and exit the containment during shutdown refueling and operation of a reactor, and comprises a sealing door, wherein the sealing door is opened and closed through rotation of a door shaft, after the sealing door is closed in place, a locking cam seat is driven by a roller shaft bearing to compact a sealing strip, and a door body is closed in place.
The inventor finds that, in the opening and closing process of the gate, because the gate sealing door has a large mass, and can weigh about 3 tons, and has large inertia, and the rubber sealing strip has elasticity, and the change of the gate door body gravity center position along with the gate opening and closing process, the door body can rebound to different degrees in the process of being subjected to the inertia force and being touched by the door body and the cabin panel sealing ring, for example, when the door is closed, the door body collides with the door frame, the rebound phenomenon can occur, and the rebound phenomenon not only influences the normal action of the locking cam seat, but also the generation of the rebound phenomenon can damage a transmission member (gear) and the like, and the door body can rebound when the gate is just opened, the serious influence is that the incomplete driving gear and the driven gear are reliably meshed again, thereby the gate is influenced to realize the.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the rebound-preventing device suitable for the personnel gate of the containment, which solves the problem of rebound of the door body in the opening and closing moments and ensures the stable rotation of the door body.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides a prevent resilient mounting suitable for containment personnel gate, is including installing in the resilience mechanism and the bearing frame of preventing of transmission shaft, and the transmission shaft passes the bearing frame, and the bearing frame is connected with the doorframe, prevents that resilience mechanism is fixed in the bearing frame, prevents that resilience mechanism is including being fixed in the annular opening cover of transmission shaft, and the week side of opening cover sets up the damping supporting seat that links firmly with the bearing frame, and the damping supporting seat sets up adjustable retaining member.
Foretell springback prevention device, springback prevention mechanism pass through the bearing frame and support, and the bearing frame supports the transmission shaft and is connected with the door frame, and opening cover overlaps in the transmission shaft among the springback prevention mechanism, can guarantee the frictional force between opening cover and the transmission shaft through setting up of adjustable retaining member for springback prevention mechanism has the compensation function by oneself, and the setting of opening cover can realize the adjustable of frictional force between later stage opening cover and the transmission shaft.
The anti-rebounding device suitable for the containment personnel gate comprises a damping support seat, wherein the damping support seat is provided with an opening inner hole, the damping support seat is provided with a convex part in the circumferential direction of the opening inner hole, the opening is sleeved on the inner side of the opening inner hole of the damping support seat, and an adjustable locking part is arranged on one side of the convex part of the damping support seat so as to lock the convex part relative to the opening;
according to the rebound-preventing device suitable for the containment personnel gate, the convex part is provided with the threaded hole in the circumferential direction, and the locking part is fixedly connected with the opening sleeve through the threaded hole of the convex part and locked through the nut.
According to the rebound preventing device suitable for the containment personnel gate, the damping support seat is fixedly connected with the convex part in the radial direction of the opening sleeve, so that radial rotation between the inner hole of the opening of the convex part damping support seat and the outer diameter of the opening sleeve is prevented.
As above a be applicable to anti-rebounding device of containment personnel gate, convex part damping supporting seat convex part is including centering on first segmental arc and the second segmental arc that the opening hole set up, first segmental arc and second segmental arc one end are connected down, and first segmental arc interval is set for the distance setting in order to form the notch, and the first segmental arc and the second segmental arc other end set up the chimb respectively, and each chimb of chimb all sets up the screw hole, and the chimb of two segmental arcs sets up adjustable retaining member, adjustable retaining member pass the unthreaded hole or the screw hole of two chimbs and install.
According to the anti-rebound device suitable for the containment personnel gate, in order to ensure the friction force between the opening sleeve and the transmission shaft, the adjustable locking piece comprises the pre-tightening bolt, and the pre-tightening bolt penetrates through the elastic piece and then penetrates through the convex edge and is fixed through the locking nut.
According to the rebound preventing device suitable for the containment personnel gate, the damping supporting seat further comprises a convex supporting seat body, the convex portion is supported by the supporting seat body, the supporting seat body is fixedly connected with the bearing seat, and the supporting seat body is a fan-shaped structural member.
According to the rebound-preventing device suitable for the containment personnel gate, the upper surface of the damping supporting seat is provided with the upper notch, the lower surface of the damping supporting seat is provided with the lower concave surface, and the upper notch is arranged on the convex part.
According to the anti-rebound device suitable for the containment personnel gate, the hardness of the transmission shaft, the damping supporting seat and the opening sleeve is gradually reduced, and the occlusion phenomenon caused by friction can be avoided.
In a second aspect, a method for using an anti-rebound device suitable for a containment personnel lock gate comprises the following steps:
installing an anti-rebound device suitable for a containment personnel gate on a transmission shaft, and adjusting the locking state of an adjustable locking piece;
after the personnel gate of containment uses the settlement time, adjust the locking state of opening cover for the transmission shaft through adjustable retaining member.
In a third aspect, the invention further provides a containment personnel gate, which comprises the anti-rebound device suitable for the containment personnel gate, and the anti-rebound device suitable for the containment personnel gate is arranged below the upper side fixing seat of the transmission shaft and/or above the lower side fixing seat.
The beneficial effects of the invention are as follows:
1) according to the invention, the anti-rebound mechanism is fixed with the bearing seat and sleeved on the transmission shaft, and can generate resistance to offset the inertia force generated when the door body rotates and the rebound force generated when the door body touches the sealing ring, so that the problem of rebound generated at the moment of opening and closing the door of the door body is solved.
2) The anti-rebound mechanism is provided with the adjustable locking piece, so that the friction force between the opening sleeve and the transmission shaft is moderate, the anti-rebound mechanism has a self-compensation function, the problem that the friction resistance is reduced due to continuous abrasion between the working surface of the inner hole of the opening sleeve and the outer diameter of the transmission shaft is avoided, and the defect that the door body cannot be opened due to the fact that incomplete gears need to be meshed again is avoided.
3) According to the invention, through the arrangement of the pre-tightening bolt, the pre-tightening force of the elastic piece can be adjusted, and the corresponding change of the friction force among the damping supporting seat, the opening sleeve and the transmission shaft is realized.
4) According to the invention, the damping support seat is provided with the opening sleeve with the opening at the convex part, so that the friction force between the opening sleeve and the transmission shaft can be adjusted at the later stage, and the inner hole of the damping opening and the excircle of the opening sleeve at the convex part are radially fixed, so that the radial rotation between the inner hole of the opening of the damping support seat and the outer diameter of the opening sleeve is prevented.
5) According to the invention, the upper notch and the lower concave surface are respectively arranged on the upper part and the lower part of the damping supporting seat, so that the tension force borne by the adjustable locking piece bolt when the opening sleeve is locked by the adjustable locking piece bolt can be effectively reduced, and the convex part improves the adjusting efficiency and accuracy of the pre-tightening bolt.
6) The invention can avoid the occlusion phenomenon caused by friction by limiting the materials of the transmission shaft, the damping supporting seat and the opening sleeve.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic view of an anti-rebound device suitable for a containment personnel gate mounted to a drive shaft according to one or more embodiments of the present invention.
Fig. 2 is a partial structural schematic view of an anti-rebound device suitable for a containment personnel gate according to one or more embodiments of the present invention.
Fig. 3 is a schematic view of a damping support mount in an anti-rebound device suitable for a containment personnel gate according to one or more embodiments of the present invention.
In the figure: the spacing or dimensions between each other are exaggerated to show the location of the various parts, and the schematic is shown only schematically.
Wherein: 1. the anti-rebound device comprises a transmission shaft, 2, an anti-rebound device, 3, a bearing seat, 4, a fixed seat, 21, an inner hexagon bolt, 22, an opening sleeve, 23, a damping support seat, 24, a locking nut, 25, a belleville spring, 26, a pre-tightening bolt, 27, a first arc-shaped section, 28, a set screw, 29, a second arc-shaped section, 23-1, an upper notch and 23-2, a lower concave surface.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, unless the invention expressly state otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "up", "down", "left" and "right" in the present invention, if any, merely indicate correspondence with up, down, left and right directions of the drawings themselves, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Term interpretation section: the terms "mounted," "connected," "fixed," and the like in the present invention are to be understood in a broad sense, and for example, the terms "mounted," "connected," and "fixed" may be fixed, detachable, or integrated; the two components can be connected mechanically or electrically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and the terms used in the present invention should be understood as having specific meanings to those skilled in the art.
As described in the background of the invention, the problem of gate rebound in the air and closing process exists in the prior art, and in order to solve the technical problem, the invention provides a rebound prevention device and a method suitable for a containment personnel gate.
Example one
In a typical embodiment of the invention, referring to fig. 1, a rebound prevention device suitable for a containment personnel gate comprises a rebound prevention mechanism 2 and a bearing seat 3 which are installed on a transmission shaft 1, the transmission shaft penetrates through the bearing seat, the bearing seat is provided with a bearing for supporting the transmission shaft, the bearing seat supports the rebound prevention mechanism without interfering with the transmission shaft, the bearing seat is connected with a door frame, the rebound prevention mechanism is fixed on the bearing seat 3, specifically, the rebound prevention mechanism can be fixed on the bearing seat 3 through a locking structural member such as a bolt, and the rebound prevention mechanism 2 is connected with the transmission shaft 1 in a relative rotation manner.
Referring to fig. 2, it includes damping supporting seat 23 to prevent resilient mounting mechanism, damping supporting seat 23 includes the supporting seat body, the supporting seat body is used for with bolted connection, supporting seat body upper surface sets up the convex part, the convex part sets up the opening hole with the center of supporting seat body, one side of damping supporting seat convex part sets up adjustable retaining member, opening hole department inboard at the convex part sets up the opening cover, the opening hole and the convex part opening cover 22 of damping supporting seat 23 rotate relatively and are connected, the opening cover hole can pass the transmission shaft setting, and opening cover 22 is the lock sleeve of opening form, can realize the adjustable of frictional force between later stage opening cover and the transmission shaft.
In this embodiment, damping supporting seat convex part is including setting up first segmental arc 27 and second segmental arc 29 around the opening hole, first segmental arc 27 and second segmental arc 29 are the arc, and wherein the arc length of first segmental arc is greater than the arc length of second segmental arc, the lower half section of first segmental arc 27 and second segmental arc 29 one end is connected, form the notch between the upper half section, first segmental arc and second segmental arc other end set up the chimb respectively, the chimb extends the setting to the radial direction of opening hole, under the normal conditions, the interval has the distance of settlement between the two chimbs, the chimb of first segmental arc and second segmental arc extends to the outside of damping supporting seat, each chimb all sets up unthreaded hole or screw hole, the chimb of two segmental arcs passes through adjustable retaining member and connects.
Specifically, the adjustable locking piece comprises a pre-tightening bolt 26, a belleville spring 25 and a locking nut 24, the pre-tightening bolt 26 penetrates through an elastic piece such as the belleville spring 25, then penetrates through convex edges of the first arc-shaped section and the second arc-shaped section, and is locked through the locking nut 24, so that the opening sleeve is locked, and the anti-rebound mechanism is stably fixed on the transmission shaft 1; the pretightening force of the butterfly spring 25 is adjusted through the pretightening bolt 26, the corresponding change of the friction force among the damping supporting seat 23, the opening sleeve 22 and the transmission shaft 1 is realized, the anti-rebounding mechanism generates resistance to offset the inertia force generated when the door body rotates and the rebounding force generated when the door body touches the sealing ring by adjusting the friction force, and the problem of rebounding generated when the door body opens and closes is solved.
Furthermore, a threaded hole is formed in the convex part of the damping support seat in the radial direction, and a locking part such as a set screw 28 is fixedly connected with the excircle of the opening sleeve through the threaded hole of the convex part and is locked through a hexagon nut, so that radial rotation between a through hole in the convex part of the damping support seat and the inner hole of the opening and the opening sleeve 22 is prevented; the threaded hole can be provided in plurality, and the corresponding set screw is also provided in plurality.
In addition, the damping support seat is fixedly connected with the bearing seat, specifically, a plurality of threaded holes are arranged on the outer side of the convex part on the peripheral side of the opening inner hole of the damping support seat, and the hexagon socket head cap screw 21 penetrates through the damping support seat 23 to be fixedly connected with the bearing seat 3.
It can be understood that the transmission shaft is used for driving the door body, namely the rotation of the sealing door, the transmission shaft is a vertical transmission shaft, and the transmission shaft is fixedly connected with the door frame through the fixing seat 4.
In addition, the hardness of the transmission shaft 1, the damping support seat 23 and the opening sleeve 22 is gradually reduced, namely the transmission shaft 1 is the hardest in material and the opening sleeve 22 is the softest, so that the occlusion phenomenon caused by friction can be avoided.
The supporting seat body 23-2 is a fan-shaped structural member, the adjustable locking member exceeds the supporting seat body 23-2, the upper surface and the lower surface of the supporting seat body are both planes, as shown in fig. 2 and fig. 3, the damping supporting seat is provided with an upper notch 23-1 at the convex part, the lower surface of the damping supporting seat body attached to the bearing seat 3 is provided with a lower concave surface 23-2, so that the lower surface of the damping supporting seat forms an inward step, the upper notch is far away from the adjustable locking member, the lower concave surface is arranged at one side of the supporting seat body close to the adjustable locking member, the tension force applied when the adjustable locking member bolt locks the opening sleeve can be effectively reduced, and the convex part improves the adjusting efficiency and accuracy of.
Specifically, the upper notch is arranged along the circumference of the convex part of the damping support seat, the lower notch is arranged along the length direction of the support seat body, and the width of the notch is 1/10-1/8 of the width of the support seat body.
Through preventing resilient mounting's providing, the inertial force when can producing the resistance and offset a body and rotate and the resilience force that produces when the body touches with the sealing washer, solve the body and open the door and close the resilience problem that takes place in the twinkling of an eye, use the settlement time at the body after, only need adjust pretension bolt's elasticity can, for example the body is after using the settlement time, can further screw lock nut 24 for pretension bolt further locks, guarantee the frictional force between opening cover and the transmission shaft, it is comparatively convenient to use.
The use method of the rebound-proof device suitable for the containment personnel gate comprises the following steps:
installing an anti-rebound device suitable for a containment personnel gate on a transmission shaft, and adjusting the locking state of an adjustable locking piece;
after the personnel gate of containment uses the settlement time, adjust the locking state of opening cover for the transmission shaft through adjustable retaining member.
Example two
The utility model provides a containment personnel gate, includes embodiment one the anti-rebounding device suitable for containment personnel gate, and one kind is suitable for the anti-rebounding device of containment personnel gate sets up in the below of transmission shaft upside fixing base, and/or the top of downside fixing base for anti-rebounding mechanism locates between upside fixing base or downside fixing base and the bearing frame.
The containment personnel gate comprises an inner cabin panel, an outer cabin panel and a door body, the door body is a sealing door, the inner cabin panel and the outer cabin panel are provided with door frames, the door frames are embedded with rubber sealing strips, the door frames are hinged to the sealing door with a sealing effect, the sealing door is opened and closed through rotation of a transmission shaft, the transmission shaft and the door frames are provided with bearing seats, and damping supporting seats in the anti-rebound mechanism are fixed on the bearing seats.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a prevent resilient mounting suitable for containment personnel gate which characterized in that, including installing in the mechanism and the bearing frame of preventing rebounding of transmission shaft, the transmission shaft passes the bearing frame, and the bearing frame is connected with the doorframe, prevents that rebounding mechanism is fixed in the bearing frame, prevents that rebounding mechanism is including being fixed in the annular opening cover of transmission shaft, and the week side of opening cover sets up the damping supporting seat that links firmly with the bearing frame, and the damping supporting seat sets up adjustable retaining member.
2. The anti-rebounding device for the containment personnel lock gate according to claim 1, wherein the damping support seat is provided with an opening inner hole, the damping support seat is provided with a convex portion around the opening inner hole, the opening sleeve is arranged inside the opening inner hole of the damping support seat, and the adjustable locking member is arranged on one side of the convex portion of the damping support seat.
3. The anti-rebound device suitable for the containment personnel lock gate is characterized in that the convex part is provided with a threaded hole in the circumferential direction, and the locking part is fixedly connected with the outer circle of the opening sleeve through the threaded hole of the convex part and is locked through a nut.
4. The anti-rebounding device suitable for containment personnel gates as claimed in claim 2, wherein the damping support seat convex portion comprises a first arc-shaped section and a second arc-shaped section which are arranged around the opening inner hole, the first arc-shaped section and one end of the second arc-shaped section are connected in the lower half section, the upper half section is arranged at a set distance, convex edges are respectively arranged at the other ends of the first arc-shaped section and the second arc-shaped section, each convex edge of each convex edge is provided with a threaded hole, and the convex edges of the two arc-shaped sections are provided with the adjustable locking member.
5. The anti-rebound device suitable for the containment personnel lock according to claim 4, wherein the adjustable locking member comprises a pre-tightening bolt, and the pre-tightening bolt passes through the elastic member, then passes through the convex edge and is fixed through a locking nut.
6. The anti-rebounding device suitable for containment personnel locks of claim 2, wherein the damping support further comprises a support body, the support body supports the convex portion, the support body is fixedly connected with the bearing seat, and the support body is a fan-shaped structural member.
7. The anti-rebounding device suitable for containment personnel locks according to claim 2, wherein the upper surface of the damping support seat is provided with an upper notch, the lower surface is provided with a lower concave surface, and the upper notch is arranged on the convex portion.
8. The anti-rebounding device suitable for containment personnel locks of claim 1, wherein the hardness of the transmission shaft, the damping support seat and the opening sleeve gradually decreases.
9. Use of an anti-rebound device for a containment personnel lock according to any of the claims 1-8, characterized in that it comprises the following:
installing an anti-rebound device suitable for a containment personnel gate on a transmission shaft, and adjusting the locking state of an adjustable locking piece;
after the personnel gate of containment uses the settlement time, adjust the locking state of opening cover for the transmission shaft through adjustable retaining member.
10. A containment personnel gate, characterized by comprising an anti-rebound device suitable for the containment personnel gate, as claimed in any one of claims 1 to 8, wherein the anti-rebound device suitable for the containment personnel gate is arranged below the upper side fixing seat of the transmission shaft and/or above the lower side fixing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011166444.4A CN112302458A (en) | 2020-10-27 | 2020-10-27 | Anti-rebound device and method suitable for containment personnel gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011166444.4A CN112302458A (en) | 2020-10-27 | 2020-10-27 | Anti-rebound device and method suitable for containment personnel gate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112302458A true CN112302458A (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011166444.4A Pending CN112302458A (en) | 2020-10-27 | 2020-10-27 | Anti-rebound device and method suitable for containment personnel gate |
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| Country | Link |
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| CN (1) | CN112302458A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314399A (en) * | 2014-09-23 | 2015-01-28 | 中国核电工程有限公司 | Door panel supporting and power buffering device |
| US20160200429A1 (en) * | 2015-01-13 | 2016-07-14 | Airbus Helicopters | Damping device for a supercritical transmission shaft |
| CN205713588U (en) * | 2016-04-25 | 2016-11-23 | 广东东亚电器有限公司 | A kind of damp type automotive hinge |
| CN207332733U (en) * | 2017-06-03 | 2018-05-08 | 深圳市通达智科技有限公司 | A kind of door leaf mounting structure and its anticollision swing arm |
| CN110594543A (en) * | 2019-09-20 | 2019-12-20 | 深圳市科曼医疗设备有限公司 | Angle adjusting damping mechanism and medical equipment applying same |
-
2020
- 2020-10-27 CN CN202011166444.4A patent/CN112302458A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314399A (en) * | 2014-09-23 | 2015-01-28 | 中国核电工程有限公司 | Door panel supporting and power buffering device |
| US20160200429A1 (en) * | 2015-01-13 | 2016-07-14 | Airbus Helicopters | Damping device for a supercritical transmission shaft |
| CN205713588U (en) * | 2016-04-25 | 2016-11-23 | 广东东亚电器有限公司 | A kind of damp type automotive hinge |
| CN207332733U (en) * | 2017-06-03 | 2018-05-08 | 深圳市通达智科技有限公司 | A kind of door leaf mounting structure and its anticollision swing arm |
| CN110594543A (en) * | 2019-09-20 | 2019-12-20 | 深圳市科曼医疗设备有限公司 | Angle adjusting damping mechanism and medical equipment applying same |
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Application publication date: 20210202 |
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