CN204995059U - Automatic emergency exit resets - Google Patents
Automatic emergency exit resets Download PDFInfo
- Publication number
- CN204995059U CN204995059U CN201520580315.8U CN201520580315U CN204995059U CN 204995059 U CN204995059 U CN 204995059U CN 201520580315 U CN201520580315 U CN 201520580315U CN 204995059 U CN204995059 U CN 204995059U
- Authority
- CN
- China
- Prior art keywords
- pin joint
- door
- pivot joint
- joint sleeve
- safety door
- 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
Links
Abstract
The utility model discloses an automatic emergency exit resets, including door frame and men lan. The door frame includes first side lever and second side lever, and the lower extreme of first side lever is provided with down the pin joint seat, and lower pin joint seat has opening holding tank up, and the lateral wall upper end of holding tank forms the drive inclined plane, and the drive inclined plane has a lowest order, and the lowest order roughly is in the ascending intermediate position in door frame thickness side, and the drive inclined plane is the shape that is risen gradually by the lowest order to both ends. The lower extreme on door fence has the pin joint sleeve and a post that resets, the pin joint sleeve insert in the holding tank and with pin joint seat pin joint down, the pin joint sleeve can descend the pin joint seat to slide from top to bottom relatively, the post that resets is replaced on driving the inclined plane. Door fence upper end sets up locking mechanical system, and the locking mechanical system family of a general locks on the fence in the door frame or releases the fence of locking a door. Through setting up the drive inclined plane and the ingenious structure that the post mutually supported that resets, make the door fence can auto -response to the position of closing after being opened, prevent that the fence from being left over to open the position, ensured children's safety.
Description
Technical field
The utility model relates to child safety gate technical field, particularly relates to a kind of safety door that automatically resets that can automatically close.
Background technology
Less for the age, awareness of safety is weak and substantially without child or the children of self-protection ability, even in common home environment, also potential many hazards.Stairs port between stranger outside naked light in such as kitchen or high temperature article, garden or vehicle, floor etc., once child or children when without when nurse by these regions, just likely come to harm.Therefore, in order to prevent child or children voluntarily by these regions, alleviate the nurse burden of the head of a family simultaneously, generally can in kitchen, the door opening place of garden or stairs port place arrange child safety gate.Child safety gate is also known as child door, and it is arranged at door opening or stairs port place, children is intercepted outside the region with hazards, it arranges safe locking mechanism, only have the head of a family could be unlocked and open safety door, children generally cannot open the door voluntarily, ensure that the safety of children.
But, in the middle of the use procedure of reality, many heads of a family all exist safety door is opened after forget the situation of being closed, this situation once occur, safety door can be made to perform practically no function, leave huge potential safety hazard.
For solving the problem, be necessary to provide a kind of safety door that can automatically close.
Utility model content
The purpose of this utility model is to provide a kind of safety door that can automatically close.
To achieve these goals, the utility model provides one and to automatically reset safety door, comprises doorframe and Men Lan.Described doorframe comprises the first side lever and second side lever relative with described first side lever, the lower end of described first side lever is provided with lower pin joint seat, described lower pin joint seat has opening up holding tank, the sidewall upper of described holding tank is formed and drives inclined-plane, described driving inclined-plane has a lowest order, described lowest order is roughly in the centre position on described doorframe thickness direction, and described driving inclined-plane is in the shape raised gradually to two ends by described lowest order.The lower end on described door hurdle has pivot joint sleeve and the reset post adjacent with described pivot joint sleeve, described pivot joint sleeve to insert in described holding tank and with described lower pin joint seat pivot joint, and described pivot joint sleeve can slide up and down by relatively described lower pin joint seat, described reset post is resisted against on described driving inclined-plane.Described Men Lan upper end arranges locking mechanism near described second side lever place, and described door hurdle is locked in door hurdle described in described doorframe or release the lock by described locking mechanism.
Compared with prior art, described doorframe due to the safety door that automatically resets described in the utility model is provided with described lower pin joint seat, described Men Lan lower end arranges the described pivot joint sleeve be articulated with described lower pin joint seat, described door hurdle can be made to rotate relative to described doorframe, and then realize the opening and closing of door.And described lower pin joint seat has described driving inclined-plane, and described door hurdle has the described reset post be resisted against on described driving inclined-plane, when with hand relatively described for described door hurdle doorframe rotating opening after, described reset post slides into higher position on described driving inclined-plane, drive described door hurdle up to move relative to described doorframe simultaneously, after letting go, described reset post is under the effect of described door hurdle gravity, down slide to described lowest order on described driving inclined-plane, described in the process glided, door hurdle rotates simultaneously and moves down, until arrive closed position.By arranging the ingenious structure that described driving inclined-plane and reset post cooperatively interact, making described door hurdle can automatically revert to the position of closedown after being opened, preventing described door hurdle to be retained in open position, ensured the safety of children.
Preferably, between described pivot joint sleeve and described lower pin joint seat, be provided with elastic component, pivot joint sleeve described in the downward pushing tow of described elastic component.Pivot joint sleeve described in the downward pushing tow of described elastic component, the trend that described reset post is slid down on described driving inclined-plane is more obvious, is more conducive to described door hurdle and automatically resets.
Particularly, have the lower driving rod raised up in described holding tank, described driving inclined-plane is arranged around described lower driving rod, and described pivotally connected set jacket casing is located at described lower driving rod.Described pivotally connected set jacket casing is on described lower driving rod, make described pivot joint sleeve can around the central axis pivotable of described lower driving rod, and described driving inclined-plane for the center of circle is in around setting, ensures that the slip of described reset post on described driving inclined-plane synchronously can be ordered about described door hurdle and rotate with the central axis of described lower driving rod.
More specifically, the upper end of described lower driving rod is fixed one and is supported sheet, the inwall of described pivot joint sleeve lower end is provided with the spacing rib inwardly protruded out, described pivot joint sleeve is sheathed on described lower driving rod by described spacing rib, described elastic component is positioned at described pivot joint sleeve and is placed on described lower driving rod, support sheet described in the upper end elasticity of described elastic component is resisted against, the lower end elasticity of described elastic component is resisted against described spacing rib.
Further, the inwall of described pivot joint sleeve is formed with support surface upward, and described support surface is positioned at above described spacing rib.After the relatively described lower pin joint seat of described pivot joint sleeve up moves a certain distance, described in described support surface can be resisted against, support sheet, thus limit the sliding distance of described pivot joint sleeve, prevent described pivot joint sleeve from departing from from described lower pin joint seat.
Further, described lower driving rod is hollow structure and upper end open, to insert after supporting sheet described in a screw is passed down through in described lower driving rod and the nut of described screw be resisted against described in support on sheet.
Preferably, the highest point at two ends, described driving inclined-plane is hollowly provided with the locating slot that can hold described reset post and snap in respectively.When described reset post upward sliding is to after snapping in described locating slot, described door hurdle is located in the position of opening and can not automatically replies.
Preferably, the upper end of described first side lever is provided with pin joint seat, described upper pin joint seat has the upper driving rod raised up, and described locking mechanism is arranged at the one end on described door hurdle, the other end on described door hurdle to be placed on described upper driving rod and with described upper pin joint seat pivot joint.
Preferably, described door hurdle comprises cross tube and the sheer pole relative with described cross tube, described locking mechanism is located at one end of described cross tube, the upper end of described second side lever is provided with locking seat, described locking seat offers the locked groove towards described door hurdle, described locking mechanism comprise along described cross tube length direction slide arrange the first unlock part and locking piece and the second unlock part arranged that slides along the vertical direction, described locking piece snaps in described locked groove, described second unlock part can upward sliding order about described locking piece and exit described locked groove, described first unlock part is resisted against above described second unlock part and also slidably removes supporting described second unlock part.
Preferably, described in the safety door that automatically resets also comprise four adjusting parts, four described adjusting parts are arranged at the both sides of described doorframe in two two places respectively; Described adjusting part comprises the screw rod being connected to described doorframe, the supporting member being fixed on described screw rod one end and sheathed and be threadedly connected to the regulating part of described screw rod.The effect of described adjusting part is finely tuned the width of the described safety door that automatically resets, and can realize safety door in the fast assembling-disassembling at door opening or stairs port place.
Accompanying drawing explanation
Fig. 1 is that the utility model automatically resets the stereogram of safety door.
Fig. 2 be automatically reset in Fig. 1 safety door open after stereogram.
Fig. 3 is the part explosive view of safety door of automatically reseting.
Fig. 4 is the stereogram of doorframe of safety door of automatically reseting.
Fig. 5 is that the safety door that automatically resets closes the sectional view at pin joint seat place at present.
Fig. 6 is that the safety door that automatically resets is opened to the sectional view at maximum position pin joint seat place at present.
Detailed description of the invention
Below in conjunction with the Figure of description provided, description is made to preferred embodiment of the present utility model.
Shown in Fig. 6, present embodiments provide one and to automatically reset safety door, comprise doorframe 1 and door hurdle 2, described door hurdle 2 to be arranged in described doorframe 1 and relatively can to turn to open mode or closed condition by doorframe 1.
Described doorframe 1 comprise bottom bar 10, first side lever 11 and relative with the first side lever 11 and be parallel to each other the second side lever 12, described first side lever 11 and the second side lever 12 are individually fixed in the both sides of bottom bar 10.The top and bottom of the first side lever 11 are respectively arranged with pin joint seat 13 and lower pin joint seat 14, wherein go up pin joint seat 13 and have upper driving rod 131 towards projection.Lower pin joint seat 14 has opening up holding tank 141, the lower driving rod 142 raised up is provided with in described holding tank 141, described lower driving rod 142 is hollow structure and upper end open, the sidewall upper of holding tank 141 forms the driving inclined-plane 143 arranged around lower driving rod 142, and the following driving rod 142 of track namely driving inclined-plane 143 is the center of circle.Described driving inclined-plane 143 has a lowest order 143a, described lowest order 143a is roughly in the centre position on described doorframe 1 thickness direction, described driving inclined-plane 143 is in the shape raised gradually to two ends by described lowest order 143a, and, driving the highest point at two ends, inclined-plane 143, hollowly be provided with a locating slot 143b respectively, 180 degree, interval between two locating slot 143b.
Described door hurdle 2 comprises cross tube 21 and the sheer pole 22 relative and parallel with described cross tube 21.One end of described cross tube 21 to be placed on described upper driving rod 131 and with the pivot joint of described upper pin joint seat 13.One end of described sheer pole 22 is provided with pivot joint sleeve 23 and the reset post 24 adjacent with pivot joint sleeve 23.The inwall of pivot joint sleeve 23 lower end is provided with the spacing rib 231 of the annular inwardly protruded out, and the inwall of pivot joint sleeve 23 upper end has support surface 232 upward, described support surface 232 is positioned at above described spacing rib 231, in fact pivot joint sleeve 23 includes upper end sidewall thinner a section and thicker one section of lower end sidewall, and the junction of this two-end structure defines described support surface 232.The upper end of reset post 24 is installed on sheer pole 22, and the lower end of reset post 24 has the dop 241 of spherical shape.
Pivot joint sleeve 23 down to extend in holding tank 141 and is sheathed on lower driving rod 142, and the periphery that the spacing rib 231 in pivot joint sleeve 23 is surrounded on lower driving rod 142 makes pivot joint sleeve 23 rotate relative to lower pin joint seat 14 or to slide up and down.The dop 241 of described reset post 24 is resisted against on described driving inclined-plane 143.One supports sheet 3 is fixed on the opening part of lower driving rod 142 upper end and is positioned at pivot joint sleeve 23, and when pivot joint sleeve 23 upward sliding, the support surface 232 of its inside will be supported sheet 3 thus be restricted to lower pin joint seat 14 and can not depart from.Support described in one screw 4 is passed down through to insert after sheet 3 in described lower driving rod 142 and the nut of described screw 4 be resisted against described in support on sheet 3.An elastic component 5 is also provided with between lower pin joint seat 14 and pivot joint sleeve 23, the upper end elasticity of elastic component 5 is resisted against the bottom surface supporting sheet 3, the lower end elasticity of elastic component 5 is resisted against on the spacing rib 231 in pivot joint sleeve 23, be fixed on lower driving rod 142 owing to supporting sheet 3, therefore elastic component 5 provides the elastic force of downward for pivot joint sleeve 23 pushing tow.What this elastic component 5 was concrete can be Compress Spring.
By coordinating of above pivot joint sleeve 23 and lower pin joint seat 14 and coordinating of cross tube 21 and upper pin joint seat 13, a hurdle 2 is connected within doorframe 1 and freely can rotates relative to doorframe 1.When door hurdle 2 is in closed condition, as shown in Figure 5, the dop 241 of reset post 24 is resisted against the lowest order 143a driving inclined-plane 143.After door hurdle 2 is opened, reset post 24, along driving inclined-plane 143 upward sliding, drives pivot joint sleeve 23 relatively to descend pin joint seat 14 up to slide, namely door hurdle 2 moves.On the position of the spacing rib 231 of process moved constantly uprise, and the height supporting sheet 3 is constant, and therefore elastic component 5 is constantly compressed.After door hurdle 2 is decontroled, elastic component 5 pairs of pivot joint sleeves 23 apply downward power, simultaneously due to the effect of the gravity in door hurdle 2 own, reset post 24 can be ordered about move down on driving inclined-plane 143 and drive a hurdle 2 to rotate, until the dop 241 of reset post 24 supports lowest order 143a again, then door hurdle 2 resets to the state of closedown.
If door hurdle 2 is opened to 90 degree to the either side of doorframe 1, the dop 241 of reset post 24 is made to snap onto in locating slot 143b as shown in Figure 6, owing to being subject to the restriction of stopper slot, reset post 24 cannot rely on the elastic force of elastic component 5 and door hurdle 2 deadweight to realize resetting again, namely can be held in the state opened.Need at closing time, firmly rotary door hurdle 2, makes dop 241 exit in locating slot 143b.
The upper end of the second side lever 12 arranges locking seat 15, and described locking seat 15 offers the locked groove 150 towards described door hurdle 2.One end of cross tube 21 is articulated in pin joint seat 13, and the other end of cross tube 21 is provided with the locking mechanism 6 relative with locking seat 15.Described locking mechanism 6 comprises the first unlock part 61 and locking piece 63 and the second unlock part 62 arranged that slides along the vertical direction of the length direction slip setting along described cross tube 21, described locking piece 63 snaps in described locked groove 150, described second unlock part 62 can upward sliding order about described locking piece 63 and exit described locked groove 150, and described first unlock part 61 to be resisted against above described second unlock part 62 and slidably to remove supporting described second unlock part 62.Visible, when locking piece 63 snaps in locked groove 150, door hurdle 2 is located in doorframe 1 and cannot freely rotates, and when locking piece 63 exits locked groove 150, door hurdle 2 just can freely rotate.Due to the emphasis that locking mechanism 6 is not the technical program, therefore its detailed construction and operation principle are not introduced.
Preferably, the safety door that automatically resets in the present embodiment can also comprise four adjusting parts, 7, four described adjusting parts 7 and be arranged at the both sides of described doorframe 1 in two two places respectively.Described adjusting part 7 comprises screw rod 71, be fixed on the supporting member 72 of described screw rod 71 one end and sheathed and be threadedly connected to the regulating part 73 of described screw rod 71.The outside of upper pin joint seat 13 offers the connecting hole 132 stretched into for screw rod 71, the outside of locking seat 15 offers the connecting hole 151 stretched into for screw rod 71, the two ends of the bottom bar 10 of doorframe 1 are respectively arranged with an end plug 16, and the connecting hole 160 stretched into for screw rod 71 penetratingly offered by end plug 16.The effect of described adjusting part 7 is finely tuned the width of the described safety door that automatically resets.Concrete, when rotating regulating part 73 and after making regulating part 73 be resisted against bottom bar 10 or upper pin joint seat 13 or locking seat 15 on screw rod 71, further rotation regulating part 73, because regulating part 73 has been supported restriction and can not transverse shifting, therefore will be ordered about by threaded engagement screw rod 71 and be rotated transverse shifting simultaneously, namely screw rod 71 can go deep into stretching in connecting hole, thus changes the overall width of safety door.In addition, the wall that supporting member 72 can be made to abut to door opening or stairs port place realizes express delivery to install.
Compared with prior art, by arranging the ingenious structure that described driving inclined-plane 143 cooperatively interacts with reset post 24, make described door hurdle 2 can automatically revert to the position of closedown after being opened, prevent described door hurdle 2 to be retained in open position, ensured the safety of children.
Above disclosedly be only preferred embodiments of the present utility model, its effect facilitates those skilled in the art to understand and implements according to this, certainly the interest field of the utility model can not be limited with this, therefore according to the equivalent variations that the utility model claim is done, the scope that the utility model is contained still is belonged to.
Claims (10)
1. automatically reset a safety door, it is characterized in that: comprise doorframe and Men Lan;
Described doorframe comprises the first side lever and second side lever relative with described first side lever, the lower end of described first side lever is provided with lower pin joint seat, described lower pin joint seat has opening up holding tank, the sidewall upper of described holding tank is formed and drives inclined-plane, described driving inclined-plane has a lowest order, described lowest order is roughly in the centre position on described doorframe thickness direction, and described driving inclined-plane is in the shape raised gradually to two ends by described lowest order;
The lower end on described door hurdle has pivot joint sleeve and the reset post adjacent with described pivot joint sleeve, described pivot joint sleeve to insert in described holding tank and with described lower pin joint seat pivot joint, and described pivot joint sleeve can slide up and down by relatively described lower pin joint seat, described reset post is resisted against on described driving inclined-plane;
Described Men Lan upper end arranges locking mechanism near described second side lever place, and described door hurdle is locked in door hurdle described in described doorframe or release the lock by described locking mechanism.
2. automatically reset safety door as claimed in claim 1, it is characterized in that: be provided with elastic component between described pivot joint sleeve and described lower pin joint seat, pivot joint sleeve described in the downward pushing tow of described elastic component.
3. automatically reset safety door as claimed in claim 2, it is characterized in that: have the lower driving rod raised up in described holding tank, and described driving inclined-plane is arranged around described lower driving rod, and described pivotally connected set jacket casing is located at described lower driving rod.
4. automatically reset safety door as claimed in claim 3, it is characterized in that: the upper end of described lower driving rod is fixed one and supported sheet, the inwall of described pivot joint sleeve lower end is provided with the spacing rib inwardly protruded out, described pivot joint sleeve is sheathed on described lower driving rod by described spacing rib, described elastic component is positioned at described pivot joint sleeve and is placed on described lower driving rod, support sheet described in the upper end elasticity of described elastic component is resisted against, the lower end elasticity of described elastic component is resisted against described spacing rib.
5. automatically reset safety door as claimed in claim 4, it is characterized in that: the inwall of described pivot joint sleeve is formed with support surface upward, and described support surface is positioned at above described spacing rib.
6. automatically reset safety door as claimed in claim 4, it is characterized in that: described lower driving rod is hollow structure and upper end open, to insert after supporting sheet described in a screw is passed down through in described lower driving rod and the nut of described screw be resisted against described in support on sheet.
7. automatically reset safety door as claimed in claim 1, it is characterized in that: the highest point at two ends, described driving inclined-plane is hollowly provided with the locating slot that can hold described reset post and snap in respectively.
8. automatically reset safety door as claimed in claim 1, it is characterized in that: the upper end of described first side lever is provided with pin joint seat, described upper pin joint seat has the upper driving rod raised up, described locking mechanism is arranged at the one end on described door hurdle, the other end on described door hurdle to be placed on described upper driving rod and with described upper pin joint seat pivot joint.
9. automatically reset safety door as claimed in claim 1, it is characterized in that: described door hurdle comprises cross tube and the sheer pole relative with described cross tube, described locking mechanism is located at one end of described cross tube, the upper end of described second side lever is provided with locking seat, described locking seat offers the locked groove towards described door hurdle, described locking mechanism comprise along described cross tube length direction slide arrange the first unlock part and locking piece and the second unlock part arranged that slides along the vertical direction, described locking piece snaps in described locked groove, described second unlock part can upward sliding order about described locking piece and exit described locked groove, described first unlock part is resisted against above described second unlock part and also slidably removes supporting described second unlock part.
10. automatically reset safety door as claimed in claim 1, it is characterized in that: described in the safety door that automatically resets also comprise four adjusting parts, four described adjusting parts are arranged at the both sides of described doorframe in two two places respectively; Described adjusting part comprises the screw rod being connected to described doorframe, the supporting member being fixed on described screw rod one end and sheathed and be threadedly connected to the regulating part of described screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520580315.8U CN204995059U (en) | 2015-08-04 | 2015-08-04 | Automatic emergency exit resets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520580315.8U CN204995059U (en) | 2015-08-04 | 2015-08-04 | Automatic emergency exit resets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204995059U true CN204995059U (en) | 2016-01-27 |
Family
ID=55151971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520580315.8U Expired - Fee Related CN204995059U (en) | 2015-08-04 | 2015-08-04 | Automatic emergency exit resets |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204995059U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107747469A (en) * | 2017-10-24 | 2018-03-02 | 深圳市亲邻科技有限公司 | A kind of anti-follow door for cell |
| CN107829671A (en) * | 2017-11-08 | 2018-03-23 | 厉炳炳 | A kind of swimming pool safety-door device |
| CN108843202A (en) * | 2018-08-02 | 2018-11-20 | 无锡爱力机械有限公司 | The adjustable self-closing safety door of rotation of one kind |
| CN112523632A (en) * | 2019-09-19 | 2021-03-19 | 邯郸金隅太行水泥有限责任公司 | Mounting method of stair locking door |
-
2015
- 2015-08-04 CN CN201520580315.8U patent/CN204995059U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107747469A (en) * | 2017-10-24 | 2018-03-02 | 深圳市亲邻科技有限公司 | A kind of anti-follow door for cell |
| CN107829671A (en) * | 2017-11-08 | 2018-03-23 | 厉炳炳 | A kind of swimming pool safety-door device |
| CN108843202A (en) * | 2018-08-02 | 2018-11-20 | 无锡爱力机械有限公司 | The adjustable self-closing safety door of rotation of one kind |
| CN108843202B (en) * | 2018-08-02 | 2023-07-28 | 无锡爱一力机械有限公司 | Adjustable rotary self-closing safety door |
| CN112523632A (en) * | 2019-09-19 | 2021-03-19 | 邯郸金隅太行水泥有限责任公司 | Mounting method of stair locking door |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204995059U (en) | Automatic emergency exit resets | |
| US11767708B1 (en) | Gate apparatus with springless automatic return gate | |
| US9193370B2 (en) | Brake system for a stroller | |
| US8522397B1 (en) | Castor that is controlled by a wire to brake and stop rotating simultaneously | |
| US10927595B2 (en) | Safety gate | |
| US10087666B2 (en) | Adjustable hangar hinge | |
| CA2923280A1 (en) | Automatic savety pool ladder for an above-ground swimming pool | |
| US20150052816A1 (en) | Rotatable sliding window | |
| CN104533183A (en) | Mortise lock | |
| CN203762710U (en) | Guard rail for bed | |
| CN103806802B (en) | A kind of portable pulling casement Foldable door and window | |
| CN105011634A (en) | Multi-edge safe fence with pet door | |
| EP2894285B1 (en) | Coupling element and method for suspending and releasing a sliding door leaf from a roller body | |
| KR101006570B1 (en) | Locking apparatus for window | |
| CN205172231U (en) | A spacer structure for door and window | |
| CN201486437U (en) | Fence structure with single-side door opening function and automatic door returning function | |
| CN108118973A (en) | A kind of communication pattern manhole cover lock | |
| CN204877200U (en) | Emergency exit of area extension piece | |
| CN208251879U (en) | A kind of slight ventilation device of sliding window and casement window | |
| CN204950252U (en) | Take multilateral security fence of pet door | |
| CN203188738U (en) | Double-channel luggage coded lock | |
| CN114183058B (en) | Door fence with triple door opening and closing functions | |
| CN217632180U (en) | Novel safety door sill | |
| CN206012811U (en) | A kind of telescopic steering wheel for perambulator | |
| CN204552524U (en) | Revolving door |
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: 20160127 Termination date: 20210804 |