CN218759571U - Damping device for civil air defense door - Google Patents
Damping device for civil air defense door Download PDFInfo
- Publication number
- CN218759571U CN218759571U CN202223014019.0U CN202223014019U CN218759571U CN 218759571 U CN218759571 U CN 218759571U CN 202223014019 U CN202223014019 U CN 202223014019U CN 218759571 U CN218759571 U CN 218759571U
- Authority
- CN
- China
- Prior art keywords
- air defense
- block
- defense door
- door frame
- people
- 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.)
- Active
Links
Images
Landscapes
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The application discloses damping device for people's air defense door, relate to the relevant technical field of people's air defense door, this damping device for people's air defense door, including door frame and people's air defense door body, people's air defense door body sets up the inboard at the door frame, one side of door frame is provided with buffer gear and latch mechanism, buffer gear includes the connecting block of fixed connection in door frame one side, it is when locking people's air defense door to have improved the staff, need certainly bulldoze people's air defense door, make it be difficult for taking place great resilience, remove, just can be smooth lock people's air defense door, it is too hard during the operation, troublesome problem, buffer gear's setting in the present case, make when the staff is closing people's air defense door body, people's air defense door body is difficult because of self weight is heavier to cause the striking of great dynamics to the door frame, latch mechanism's setting, make the staff be when closing people's air defense door body, people's air defense door body is difficult for taking place the resilience of great distance because of buffer gear, remove.
Description
Technical Field
The application relates to the technical field of people's air defense door is relevant, especially relates to a damping device for people's air defense door.
Background
The civil air defense door is a door of an entrance and an exit of civil protection engineering, and the classification of the civil air defense door is more distinct, and the civil air defense door comprises various civil air defense devices such as common single-leaf and double-leaf protective airtight doors and airtight doors, a movable door threshold single-leaf and double-leaf protective airtight doors and the like.
The utility model with the publication number of CN211038382U discloses a civil air defense door with a shock absorption structure, belonging to the field of civil air defense engineering; the technical scheme is characterized by comprising a plurality of damping components arranged on a door frame; a plurality of uniformly distributed mounting holes are formed in the surface, close to the door leaf, of the door frame, and the damping assemblies are located in the mounting holes; damping component includes mounting panel and butt plate, and the butt plate is located the one side setting that the mounting panel is close to the door leaf, and is equipped with damping spring between butt plate and the mounting panel, damping spring's both ends respectively with the fixed surface connection of butt plate and mounting panel. The utility model provides a conventional people's air defense door because cause great impact influence self life's problem to the doorframe, reached and to have reduced the striking of people's air defense door leaf to the doorframe, improved people's air defense door life's effect.
For the above scheme, the applicant thinks that when the staff closes the air defense door, the damping assembly can cushion the air defense door and reduce the impact force of the air defense door to the door frame, but when the staff closes the air defense door and needs to lock, the spring inside the damping assembly can apply thrust to the air defense door through the elasticity of the spring, so that when the staff locks the air defense door, the staff needs to push and press the air defense door certainly, so that the air defense door is not easy to rebound greatly and move, the air defense door can be smoothly locked, and the operation is too laborious and troublesome.
SUMMERY OF THE UTILITY MODEL
In order to solve the staff and when locking people's air defense door, need certainly bulldoze people's air defense door, make its difficult great resilience, removal of taking place, just can be smooth lock people's air defense door, too hard, troublesome problem during the operation, this application provides a damping device for people's air defense door.
The application provides a damping device for civil air defense door adopts following technical scheme:
a damping device for a civil air defense door comprises a door frame and a civil air defense door body, wherein the civil air defense door body is arranged on the inner side of the door frame, and a buffering mechanism and a clamping mechanism are arranged on one side of the door frame;
buffer gear includes the connecting block of fixed connection in door frame one side, the outside of connecting block is rotated and is connected with the connecting rod, one side that the connecting block was kept away from to the connecting rod is rotated and is connected with the slider, one side of door frame is provided with the guard plate, one side fixedly connected with fixed block that the guard plate is close to the door frame, one side fixedly connected with dead lever of fixed block, just slider sliding connection is in the outside of dead lever, one side fixedly connected with second spring of fixed block, just the one end that the fixed block was kept away from to the second spring with fixed connection between the slider, the outside at the dead lever is established to the second spring housing.
By adopting the technical scheme: when the guard plate is contacting the back with people's air defense door body mutually, will remove to the direction of door frame because of the extrusion of people's air defense door body, the guard plate fixed block can drive the dead lever when removing and remove together, at this moment the slider then can slide on the surface of dead lever, the dead lever is when taking place to remove, the second spring then the elasticity of accessible self cushions the slider to the realization is to the cushioning effect of people's air defense door body, reduces the injury that people's air defense door body caused the door frame when closing.
Optionally, the clamping mechanism includes an insertion block fixedly connected to one side of the door frame, a slot is formed in one side of the civil air defense door body, which is close to the door frame, the insertion block is movably inserted into the slot, a mounting groove is formed in one side of the insertion block, the insertion block is located inside the mounting groove and fixedly connected with a third spring, one end of the third spring is fixedly connected with a clamping block, and the clamping block is movably clamped inside the slot.
By adopting the technical scheme: the third spring can be used for connecting the fixture block, and the third spring is receiving the extrusion back simultaneously, and the elasticity of third spring accessible self resets the fixture block, and the fixture block can play the effect of restriction, connection to the fixture block through the relation of being connected of self and slot after the joint to the inside of slot.
Optionally, one side of the door frame is provided with a first spring, one end of the first spring and the door frame are fixedly connected, the other end of the first spring and the protection plate are fixedly connected, a second resilience rubber block and a first resilience rubber block are fixedly connected between the door frame and the protection plate, and the second resilience rubber block is arranged on the inner side of the first spring.
By adopting the technical scheme: the door frame can cooperate with the guard plate and play the effect of installation and connection to first spring, and when the guard plate was receiving the extrusion of people's air defense door body, the elasticity of first spring accessible self played the cushioning effect to the guard plate.
Optionally, a limit ring block is fixedly connected to one side of the door frame, a moving block is arranged on one side, away from the door frame, of the limit ring block, and the moving block is fixedly connected with the protection plate.
By adopting the technical scheme: limiting ring piece accessible movable block plays the restriction effect to the guard plate for the guard plate is when removing because of the promotion of people's air defense door body, and difficult emergence condition such as skew.
Optionally, the inside that the inserted block is located the mounting groove is provided with the telescopic link, the one end of telescopic link with fixed connection between the inserted block, the other end of telescopic link with fixed connection between the fixture block, just the telescopic link sets up the inboard at the third spring.
By adopting the technical scheme: the fixture block can be mutually matched with the inserting block to play a role in mounting and fixing the telescopic rod, so that the telescopic rod can be stably and firmly used, the telescopic rod can play an auxiliary role in the third spring, and the third spring can be more smoothly reset through the elasticity of the third spring.
Optionally, the telescopic rod comprises a first telescopic rod and a second telescopic rod, and the first telescopic rod is movably inserted into the second telescopic rod.
By adopting the technical scheme: first telescopic link activity is pegged graft in the inside of second telescopic link, and this makes the telescopic link when following the third spring and stretch out and draw back, can be more smooth, stable, the difficult condition that can't use smoothly that takes place when using.
Optionally, a hollow groove is formed in the civil air defense door body, the hollow groove is communicated with the inserting groove, a limiting block is fixedly connected to one side, far away from the door frame, of the inserting block, and the limiting block is movably inserted into the hollow groove.
By adopting the technical scheme: the civil air defense door body accessible hollow groove plays limiting displacement to the stopper, and because of being fixed connection between stopper and the inserted block, this makes the inserted block insert the inside back of slot, can be spacing by the hollow groove, has increased the steadiness of inserted block after inserting the slot inside.
Optionally, one side fixedly connected with resilience sponge of door frame, just the resilience sponge sets up the one side at the inserted block, one side fixedly connected with rubber inoxidizing coating that the door frame was kept away from to the guard plate.
By adopting the technical scheme: the setting of rubber inoxidizing coating for people's air defense door body is when being closed, when contacting with the guard plate, and people's air defense door body is difficult for causing the damage to the guard plate because of the impact.
Compared with the prior art, the beneficial effects of this application are:
1. buffer gear's setting in the present case, make when the staff is closing people's air defense door body, people's air defense door body is difficult for causing the strike of great dynamics to the door frame because of self weight is heavier, make people's air defense door body when being closed, be difficult for causing the damage to the door frame, and latch mechanism's setting, make the staff when closing people's air defense door body, people's air defense door body is difficult for taking place the resilience of great distance because of buffer gear, remove, make the staff more convenient when locking people's air defense door body, it is light.
2. People's air defense door body accessible hollow groove plays limiting displacement to the stopper in the present case, and because of being fixed connection between stopper and the inserted block, this makes the inserted block insert the inside back of slot, can be spacing by hollow groove, has increased the steadiness of inserted block after inserting the slot inside.
Drawings
FIG. 1 is a schematic structural diagram of the present application;
FIG. 2 is a schematic top-down view of a door frame according to an embodiment of the present disclosure;
FIG. 3 is an enlarged view of FIG. 2;
FIG. 4 is a schematic side sectional view of the present application;
FIG. 5 is an enlarged view of FIG. 4 at B of the present application;
fig. 6 is a schematic structural diagram of a resilient sponge and a rubber protective layer in an embodiment of the present application.
Description of reference numerals: 1. a door frame; 2. a civil air defense door body; 3. a first resilient rubber block; 4. a first spring; 5. a second resilient rubber block; 61. a limit ring block; 62. a moving block; 71. connecting blocks; 72. a connecting rod; 73. a fixed block; 74. fixing the rod; 75. a second spring; 76. a slider; 77. a protection plate; 8. a rubber protective layer; 91. inserting a block; 92. mounting grooves; 93. a third spring; 94. a clamping block; 95. a slot; 10. a telescopic rod; 111. a hollow groove; 112. a limiting block; 12. and (4) rebound sponge.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
Example (b):
the application provides following technical scheme, please refer to fig. 1-3, this damping device for people's air defense door includes door frame 1 and people's air defense door body 2, people's air defense door body 2 sets up the inboard at door frame 1, door frame 1 can play the connection effect to people's air defense door body 2, make people's air defense door body 2 can be stable, smooth use, one side of door frame 1 is provided with buffer gear and latch mechanism, buffer gear's setting makes when the staff is closing people's air defense door body 2, people's air defense door body 2 is difficult for causing the strike of great dynamics to door frame 1 because of self weight is heavier, make people's air defense door body 2 when being closed, be difficult for causing the damage to door frame 1, and latch mechanism's setting, make the staff when closing people's air defense door body 2, people's air defense door body 2 is difficult for taking place the resilience of great distance because of buffer gear, the removal, make the staff more convenient when locking people's air defense door body 2.
Referring to fig. 2 and 3, buffer gear includes the connecting block 71 of fixed connection in door frame 1 one side, the outside of connecting block 71 is rotated and is connected with connecting rod 72, door frame 1 accessible connecting block 71 plays the effect of connecting and installing to connecting rod 72, make connecting rod 72 can be smooth simultaneously, it is stable rotatory to go on, one side that connecting rod 72 kept away from connecting block 71 is rotated and is connected with slider 76, connecting rod 72 can play the effect of installation and connection to slider 76, one side of door frame 1 is provided with guard plate 77, one side fixedly connected with fixed block 73 that guard plate 77 is close to door frame 1, guard plate 77 can play installation and fixed effect to fixed block 73, simultaneously when people's air defense door body 2 is closing, will touch mutually with guard plate 77 earlier, reduce the impact between people's air defense door body 2 and the door frame 1.
In addition, one side fixedly connected with dead lever 74 of fixed block 73, and slider 76 sliding connection is in the outside of dead lever 74, fixed block 73 can play the effect of connecting and fixing dead lever 74, dead lever 74 then can play certain limiting displacement to slider 76 simultaneously, make slider 76 can be stable, smooth slide on the surface of dead lever 74, one side fixedly connected with second spring 75 of fixed block 73, and second spring 75 keeps away from between the one end of fixed block 73 and the slider 76 fixed connection, second spring 75 cover is established in the outside of dead lever 74, fixed block 73 can cooperate with slider 76 and connect, the installation to second spring 75, and after guard plate 77 is contacting with people's air defense door body 2, will move to the direction of door frame 1 because of the extrusion of people's air defense door body 2, fixed block 73 can drive dead lever 74 when moving together, at this moment slider 76 can slide on the surface of dead lever 74, when dead lever 74 takes place to move, second spring 75 then can cushion slider 76 through self elasticity, thereby realize the cushioning effect to people's air defense door body 2, reduce the injury that people's air defense door body 2 closed when door body 2 causes.
Referring to fig. 4-6, the clamping mechanism includes the inserted block 91 of fixed connection in door frame 1 one side, door frame 1 can play installation and fixed effect to inserted block 91, make inserted block 91 can be firm, stable use, slot 95 has been seted up to one side that people's air defense door body 2 is close to door frame 1, and inserted block 91 activity is pegged graft in the inside of slot 95, people's air defense door body 2 accessible slot 95 plays certain connection to inserted block 91, make inserted block 91 can be stable, smooth inside of inserting slot 95, mounting groove 92 has been seted up to one side of inserted block 91, inserted block 91 is located the inside fixedly connected with third spring 93 of mounting groove 92, inserted block 91 accessible mounting groove 92 plays installation and fixed effect to third spring 93, make smooth the using of third spring 93.
In addition, the one end fixedly connected with fixture block 94 of third spring 93, and fixture block 94 activity joint is in the inside of slot 95, third spring 93 can be used to connect fixture block 94, third spring 93 is receiving the extrusion back simultaneously, third spring 93 accessible self elasticity resets fixture block 94, fixture block 94 is in the inside back of joint to slot 95, can be through self and slot 95's relation of connection, play the restriction to inserted block 91, the effect of connection, make inserted block 91 can be stable be connected with people's air defense door body 2, and make people's air defense door body 2 be difficult for producing the resilience of great distance, the displacement because of buffer gear.
Referring to fig. 2, one side of door frame 1 is provided with first spring 4, fixed connection between the one end of first spring 4 and the door frame 1, fixed connection between the other end of first spring 4 and guard plate 77, door frame 1 can cooperate with guard plate 77 and play the effect of installation and connection to first spring 4, and when guard plate 77 is receiving the extrusion of people's air defense door body 2, the elasticity of first spring 4 accessible self plays the cushioning effect to guard plate 77, fixedly connected with second resilience rubber piece 5 and first resilience rubber piece 3 between door frame 1 and the guard plate 77, and second resilience rubber piece 5 sets up the inboard at first spring 4, second resilience rubber piece 5 and first resilience rubber piece 3 are similar with first spring 4's effect, can further play the cushioning effect to guard plate 77, thereby realize the protection to door frame 1, second resilience rubber piece 5 still can play certain limiting displacement to first spring 4, make first spring 4 difficult emergence deformation when taking place to stretch out and draw back.
In addition, one side fixedly connected with stop ring piece 61 of door frame 1, one side that stop ring piece 61 kept away from door frame 1 is provided with movable block 62, and fixed connection between movable block 62 and the guard plate 77, movable block 62 activity is pegged graft in the inside of stop ring piece 61, stop ring piece 61 can play limiting displacement to movable block 62, make movable block 62 can be stable slide, and guard plate 77 is when receiving the pressurization, will promote movable block 62, peg graft in the inside of stop ring piece 61 because of movable block 62 activity this moment, stop ring piece 61 accessible movable block 62 plays the limiting displacement to guard plate 77, make guard plate 77 when removing because of the promotion of people's air defense door body 2, difficult circumstances such as skew take place.
Referring to fig. 5, the inside that the inserted block 91 is located mounting groove 92 is provided with telescopic link 10, fixed connection between one end of telescopic link 10 and the inserted block 91, fixed connection between the other end of telescopic link 10 and fixture block 94, fixture block 94 and inserted block 91 can mutually support and play installation and fixed effect to telescopic link 10, make telescopic link 10 can be stable, firm the use, telescopic link 10 then can play the additional act to third spring 93, make third spring 93 be at the elasticity through self, can be more smooth when reseing to fixture block 94, and telescopic link 10 sets up the inboard at third spring 93, telescopic link 10 still can play certain limiting displacement to third spring 93, make third spring 93 when stretching out and drawing back, be difficult for taking place deformation, the skew. The telescopic link 10 comprises first telescopic link and second telescopic link, and the activity of first telescopic link is pegged graft in the inside of second telescopic link, and this makes telescopic link 10 when following third spring 93 and stretch out and draw back, can be more smooth, stable, and the difficult condition that takes place unable smooth use when using has increased the stability of third spring 93 when using.
Referring to fig. 4-6, a hollow groove 111 is formed in the civil air defense door body 2, the hollow groove 111 is communicated with the slot 95, a limit block 112 is fixedly connected to one side of the insertion block 91, which is far away from the door frame 1, the insertion block 91 can fix the limit block 112, so that the limit block 112 can be firmly used, the limit block 112 is movably inserted into the hollow groove 111, the civil air defense door body 2 can limit the limit block 112 through the hollow groove 111, and the limit block 112 is fixedly connected with the insertion block 91, so that the insertion block 91 can be limited by the hollow groove 111 after being inserted into the slot 95, and the stability of the insertion block 91 after being inserted into the slot 95 is improved.
In addition, one side fixedly connected with resilience sponge 12 of door frame 1, resilience sponge 12 can further reduce people's air defense door body 2 when closing, to the impact that door frame 1 brought, and resilience sponge 12 sets up the one side at inserted block 91, one side fixedly connected with rubber inoxidizing coating 8 of door frame 1 is kept away from to guard plate 77, the setting of rubber inoxidizing coating 8, make people's air defense door body 2 when being closed, when contacting with guard plate 77, people's air defense door body 2 is difficult for causing the damage to guard plate 77 because of the impact.
The implementation principle of the damping device for the civil air defense door of the embodiment of the application is as follows: the staff is when closing people's air defense door body 2, people's air defense door body 2 will contact with guard plate 77, at this moment, guard plate 77 is when receiving the striking of people's air defense door body 2, the second resilience rubber block 5, first spring 4, first resilience rubber block 3 will be through the elasticity of self, play the cushioning effect to guard plate 77, guard plate 77 is when removing fixed block 73 can drive dead lever 74 and remove together, at this moment slider 76 then can slide on the surface of dead lever 74, dead lever 74 is when taking place to remove, second spring 75 then elasticity of accessible self cushions slider 76, thereby realize the cushioning effect to people's air defense door body 2, reduce the injury that people's air defense door body 2 caused door frame 1 when closing.
Meanwhile, the insert block 91 can be inserted into the slot 95 when the civil air defense door body 2 moves, and when the insert block 91 is inserted into the slot 95, the fixture block 94 can be firstly contacted with the civil air defense door body 2, the fixture block 94 can move towards the inside of the mounting groove 92 after being contacted with the civil air defense door body 2, and can extrude the third spring 93 when moving, then when the insert block 91 completely enters into the inside of the mounting groove 92, the fixture block 94 can reset through the elasticity of the third spring 93 and can be clamped into the inside of the slot 95, at this time, the insert block 91 and the fixture block 94 can play a limiting role on the civil air defense door body 2 through the slot 95, so that the civil air defense door body 2 is not easy to rebound and move under the elasticity of the second rebound rubber block 5, the first spring 4, the first rebound rubber block 3 and the second spring 75, and then the worker can lock the civil air defense door body 2, so far, the problem that the worker can lock the civil air defense door only when locking is difficult to take place, the civil air defense door can be locked easily, and the problem that the civil air defense door can be pushed and the operation is solved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a damping device for people's air defense door which characterized in that: the civil air defense door comprises a door frame (1) and a civil air defense door body (2), wherein the civil air defense door body (2) is arranged on the inner side of the door frame (1), and a buffer mechanism and a clamping mechanism are arranged on one side of the door frame (1);
buffer gear includes connecting block (71) of fixed connection in door frame (1) one side, the outside of connecting block (71) is rotated and is connected with connecting rod (72), one side rotation that connecting block (71) was kept away from in connecting rod (72) is connected with slider (76), one side of door frame (1) is provided with guard plate (77), one side fixedly connected with fixed block (73) that guard plate (77) is close to door frame (1), one side fixedly connected with dead lever (74) of fixed block (73), just slider (76) sliding connection is in the outside of dead lever (74), one side fixedly connected with second spring (75) of fixed block (73), just the one end that fixed block (73) was kept away from in second spring (75) with fixed connection between slider (76), the outside at dead lever (74) is established in second spring (75) cover.
2. The shock-absorbing device for a civil air defense door according to claim 1, wherein: clamping mechanism includes inserted block (91) of fixed connection in door frame (1) one side, slot (95) have been seted up to one side that people's air defense door body (2) are close to door frame (1), just inserted block (91) activity is pegged graft in the inside of slot (95), mounting groove (92) have been seted up to one side of inserted block (91), inserted block (91) are located the inside fixedly connected with third spring (93) of mounting groove (92), the one end fixedly connected with fixture block (94) of third spring (93), just fixture block (94) activity joint is in the inside of slot (95).
3. The shock-absorbing device for a civil air defense door according to claim 2, wherein: one side of door frame (1) is provided with first spring (4), the one end of first spring (4) with fixed connection between door frame (1), the other end of first spring (4) with fixed connection between guard plate (77), door frame (1) with fixedly connected with second resilience rubber block (5) and first resilience rubber block (3) between guard plate (77), just second resilience rubber block (5) set up the inboard at first spring (4).
4. The shock absorbing device for the civil air defense door according to claim 1, wherein: one side of the door frame (1) is fixedly connected with a limit ring block (61), one side, away from the door frame (1), of the limit ring block (61) is provided with a moving block (62), and the moving block (62) is fixedly connected with the protection plate (77).
5. The shock-absorbing device for a civil air defense door according to claim 2, wherein: the inside that inserted block (91) are located mounting groove (92) is provided with telescopic link (10), the one end of telescopic link (10) with fixed connection between inserted block (91), the other end of telescopic link (10) with fixed connection between fixture block (94), just telescopic link (10) set up the inboard at third spring (93).
6. The shock-absorbing device for a civil air defense door according to claim 5, wherein: the telescopic rod (10) is composed of a first telescopic rod and a second telescopic rod, and the first telescopic rod is movably inserted into the second telescopic rod.
7. The shock absorbing device for the civil air defense door according to claim 2, wherein: the civil air defense door is characterized in that a hollow groove (111) is formed in the civil air defense door body (2), the hollow groove (111) is communicated with the inserting groove (95), a limiting block (112) is fixedly connected to one side, away from the door frame (1), of the inserting block (91), and the limiting block (112) is movably inserted in the hollow groove (111).
8. The shock absorbing device for the civil air defense door according to claim 1, wherein: one side fixedly connected with resilience sponge (12) of door frame (1), just resilience sponge (12) set up the one side at inserted block (91), one side fixedly connected with rubber inoxidizing coating (8) of door frame (1) are kept away from in guard plate (77).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223014019.0U CN218759571U (en) | 2022-11-11 | 2022-11-11 | Damping device for civil air defense door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223014019.0U CN218759571U (en) | 2022-11-11 | 2022-11-11 | Damping device for civil air defense door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218759571U true CN218759571U (en) | 2023-03-28 |
Family
ID=85649394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223014019.0U Active CN218759571U (en) | 2022-11-11 | 2022-11-11 | Damping device for civil air defense door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218759571U (en) |
-
2022
- 2022-11-11 CN CN202223014019.0U patent/CN218759571U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109708413B (en) | Drawer assembly and refrigerator with same | |
| WO2012094812A1 (en) | Sliding rail assembly | |
| CN210564127U (en) | Aluminum alloy door and window with movable assembly | |
| CN213898730U (en) | Impact-resistant civil air defense door with spring shock absorption function | |
| CN218759571U (en) | Damping device for civil air defense door | |
| KR102184819B1 (en) | Shock Absorbing Device For Sliding Door | |
| CN115822119A (en) | A earthquake-resistant structure for architectural design | |
| CN218185889U (en) | Touch type rebounder capable of being closed in buffering mode and drawer | |
| KR200446199Y1 (en) | Damping system for furniture rail | |
| CN215056336U (en) | Explosion-proof people's air defense door | |
| CN219887851U (en) | Super low track rebound device with buffer | |
| CN211201609U (en) | People's air defense door with antidetonation function | |
| CN210112688U (en) | High-performance sliding rail enabling inner rail to be flush with rivet | |
| CN114856392B (en) | Civil air defense door capable of resisting high-strength shock waves | |
| CN220557666U (en) | Pushing and bouncing structure for drawer sliding rail | |
| US10865831B1 (en) | Slide rail | |
| CN218844208U (en) | Sliding door structure | |
| CN216476790U (en) | Glass sliding door lock | |
| CN116268822B (en) | Rebound type opening and closing device for drawer | |
| CN221346725U (en) | Basement air defense door with buffer function | |
| CN216341724U (en) | Bidirectional stress plugging plate for communication port | |
| CN216932347U (en) | Durable cabinet door structure | |
| CN219691346U (en) | Anti-collision structure for doors and windows | |
| CN219306314U (en) | Drawer slide rail rebound device and three-section slide rail using same | |
| CN219262103U (en) | Separated buffer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |