CN221664593U - Environment-friendly door and window with anti-theft structure - Google Patents
Environment-friendly door and window with anti-theft structure Download PDFInfo
- Publication number
- CN221664593U CN221664593U CN202420048356.1U CN202420048356U CN221664593U CN 221664593 U CN221664593 U CN 221664593U CN 202420048356 U CN202420048356 U CN 202420048356U CN 221664593 U CN221664593 U CN 221664593U
- Authority
- CN
- China
- Prior art keywords
- window
- theft
- door
- environment
- protection
- 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
- 238000007906 compression Methods 0.000 claims abstract description 31
- 230000006835 compression Effects 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 230000000712 assembly Effects 0.000 claims abstract description 12
- 238000000429 assembly Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims description 12
- 238000003475 lamination Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 abstract description 16
- 230000007246 mechanism Effects 0.000 abstract description 5
- 230000000087 stabilizing effect Effects 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 description 28
- 230000001737 promoting effect Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
Landscapes
- Wing Frames And Configurations (AREA)
Abstract
The utility model relates to the technical field of environment-friendly doors and windows, in particular to an environment-friendly door and window with an anti-theft structure. Technical problems: in the use process of the environment-friendly door and window, the reinforced compression-resistant protection mechanisms are not arranged on two sides of the door and window, so that the environment-friendly door and window is easy to deform and the like, and meanwhile, the environment-friendly door and window is not provided with a certain anti-theft warning structure, so that the use safety of the environment-friendly door and window is further reduced. The technical scheme is as follows: an environment-friendly door and window with an anti-theft structure comprises a lower door and window outer frame, two side sealing anti-collision assemblies, an anti-theft movable protection assembly, a first anti-theft environment-friendly window and an anti-theft fixed door and window assembly. According to the utility model, the two side sealing anti-collision assemblies are arranged, so that the first anti-theft environment-friendly window has a certain compression resistance effect in the use process, meanwhile, the anti-theft movable protection assembly is utilized to play a role in stabilizing anti-theft protection, the top end of the first anti-theft environment-friendly window can be sealed and anti-theft protected by utilizing the anti-theft fixed door and window assembly, and the integral use safety and stability of the environment-friendly door and window are improved.
Description
Technical Field
The utility model relates to the technical field of environment-friendly doors and windows, in particular to an environment-friendly door and window with an anti-theft structure.
Background
The environmental protection door and window structure that uses on the market is comparatively simple, when receiving external striking, because the door and window both sides do not set up to consolidate resistance to compression protection mechanism to lead to environmental protection door and window to take place phenomenon such as deformation easily, environmental protection door and window also does not set up certain theftproof warning structure simultaneously, has further reduced the security that environmental protection door and window used, so the urgent need set up an environmental protection door and window that is equipped with to consolidate resistance to compression protection structure and theftproof warning structure, in order to satisfy the needs of environmental protection door and window high-efficient stable installation and safe use.
Disclosure of utility model
In order to overcome the in-process that uses at environmental protection door and window, can not set up the resistance to compression protection mechanism that consolidates because of the door and window both sides to lead to environmental protection door and window to take place phenomenon such as deformation easily, environmental protection door and window also does not set up certain theftproof warning structure simultaneously, has further reduced environmental protection door and window safety in utilization's problem.
The technical scheme of the utility model is as follows: an environment-friendly door and window with an anti-theft structure comprises a lower door and window outer frame, two side sealing anti-collision assemblies, an anti-theft movable protection assembly, a first anti-theft environment-friendly window and an anti-theft fixed door and window assembly; the upper and lower side ends of the inner side of the lower door and window outer frame are provided with two side sealing anti-collision assemblies; center of upper and lower ends of inner side of outer frame of lower door and window an anti-theft mobile protection component is arranged at the position; a first anti-theft environment-friendly window is connected between the two groups of two side sealing anti-collision assemblies in a sliding way; the upper end part of the lower door and window outer frame is fixedly connected with an anti-theft fixed door and window assembly for sealing and anti-theft protection of the top end.
Preferably, the anti-collision components are sealed at two sides, so that the first anti-theft environment-friendly window has a certain compression-resistant effect in the using process, when the first anti-theft environment-friendly window is impacted by the outside, the first anti-theft environment-friendly window cannot deform due to the external force, and the like, meanwhile, the anti-theft movable protection component can play a role in stabilizing the anti-theft protection effect, and the top end of the anti-theft environment-friendly window can be sealed and anti-theft protected by the anti-theft fixed door and window component, so that the safety and the stability of the whole use of the environment-friendly door and window are further improved.
Preferably, the two-side sealing anti-collision assembly comprises a first protection frame strip, an arc clamping block, a compression-resistant protection side plate, a buffer lamination sheet, a compression-resistant protection elastic strip, an anti-theft protection plate, a limiting chute, a sliding block, a movable sliding strip and an arc clamping groove; the upper side end and the lower side end of the inner side of the lower door and window outer frame are fixedly connected with first protection frame strips; the arc clamping blocks are fixedly connected to the two sides of the inner portion of the first protection frame strip, and the arc clamping blocks are fixedly connected to the two sides of the inner portion of the first protection frame strip and can play a role in protection and limiting.
Preferably, the inner wall of the first protection frame strip is fixedly connected with a compression-resistant protection side plate; the inner side of the compression-resistant protection side plate is fixedly connected with a buffer lamination sheet; the inside fixedly connected with pressure-bearing protection elastic strip of buffering laminating piece utilizes resistance to compression protection curb plate, buffering laminating piece and pressure-bearing protection elastic strip when first theftproof environmental protection window received external impact, can play reinforcement resistance to compression protection effect.
Preferably, the upper end part of the arc-shaped clamping groove is fixedly connected with an anti-theft protection plate; a limit chute is formed in the inner side of the anti-theft protection plate; a sliding block connected with the first anti-theft environment-friendly window is connected inside the limiting chute in a sliding way; the bottom of the first anti-theft environment-friendly window is fixedly connected with a movable sliding bar; the arc-shaped clamping groove is formed in the side end of the first anti-theft environment-friendly window, when the first anti-theft environment-friendly window is pushed, the sliding block can slide in the limiting sliding groove, the movable sliding strip can slide in the first protection frame strip synchronously, and the moving stability of the first anti-theft environment-friendly window is ensured.
Preferably, the anti-theft movable protection component comprises a second protection frame strip, a movable groove, an arc clamping strip, a protection sliding concave plate, a second anti-theft environment-friendly window and an anti-theft buzzer; the centers of the upper end and the lower end of the inner side of the lower door and window outer frame are fixedly connected with second protection frame strips; the movable groove is formed in the second protection frame strip, and the second protection frame strip can play a role in cooperation protection.
Preferably, the inner wall of the second protection frame strip is fixedly connected with an arc-shaped clamping strip; the inside of the movable groove is connected with a protective sliding concave plate in a sliding way; the side end of the protective sliding concave plate is fixedly connected with a second anti-theft environment-friendly window; the anti-theft buzzer is arranged on the outer side of the outer frame of the lower door and window, and when the second anti-theft environment-friendly window is pushed, the protection sliding concave plate can slide in the movable groove, so that the stable guiding movement effect is achieved.
Preferably, the anti-theft fixed door and window assembly comprises an upper door and window outer frame, an anti-theft mounting groove and an anti-theft fixed window; the upper end part of the outer frame of the lower door and window is fixed an upper door and window outer frame is connected; an anti-theft mounting groove is formed in the outer frame of the upper door and window; the anti-theft mounting groove internally mounted has the anti-theft fixed window, and utilizes the anti-theft fixed window to seal the anti-theft protection to the door and window top, has further promoted the security and the stability that environmental protection door and window used entirely.
The utility model has the beneficial effects that:
1. The anti-theft protection device has the advantages that the anti-collision components are sealed at two sides, so that the first anti-theft environment-friendly window has a certain compression-resistant effect in the use process, when the first anti-theft environment-friendly window is impacted by the outside, the first anti-theft environment-friendly window cannot deform due to external force, and the like, meanwhile, the anti-theft protection component can be used for stabilizing the anti-theft protection effect, the anti-theft fixed door window component can be used for sealing the top end of the anti-theft protection device, compared with the existing door window, the anti-theft fixed door window component is not provided with reinforcing compression-resistant protection mechanisms, the environment-friendly door window is easy to deform, and meanwhile, the environment-friendly door window is not provided with a certain anti-theft warning structure, so that the anti-theft protection device can achieve the purposes of high-efficiency and stable anti-theft protection;
2. The arc-shaped clamping blocks which are fixedly connected with the two sides of the inner part of the first protection frame strip can play a role in protection and limit, and when the first anti-theft environment-friendly window is impacted by the outside, the compression-resistant protection side plate, the buffer lamination sheet and the compression-resistant protection elastic strip can play a role in reinforcing and compression-resistant protection;
3. When the first anti-theft environment-friendly window is pushed, the sliding block can slide in the limiting sliding groove, and the movable sliding strip can synchronously slide in the first protection frame strip, so that the moving stability of the first anti-theft environment-friendly window is ensured;
4. When promoting the environmental protection window of second theftproof, the protection sliding concave plate can be in the inside slip of activity recess, plays stable direction and removes the effect, utilizes the fixed window of theftproof simultaneously to seal the theftproof protection to the door and window top, has further promoted environmental protection door and window overall use's security and stability.
Drawings
FIG. 1 shows a schematic perspective view of an environment-friendly door and window according to the present utility model;
FIG. 2 shows a schematic perspective view of a first protective frame strip of the environment-friendly door and window according to the present utility model;
FIG. 3 shows a schematic view of a first anti-theft environmental protection window split structure of the environmental protection door and window of the present utility model;
Fig. 4 shows a schematic perspective view of an anti-theft mobile protection assembly for an environment-friendly door and window.
Reference numerals illustrate: 1. a lower door and window outer frame; 2. two sides seal the anti-collision assembly; 3. an anti-theft mobile protection component; 4. a first burglary-resisting environment-friendly window; 5. an anti-theft fixed door and window assembly; 201. a first protective frame strip; 202. an arc-shaped clamping block; 203. a compression-resistant protective side plate; 204. a buffer lamination sheet; 205. a pressure-bearing protective elastic strip; 206. anti-theft protection plate; 207. limiting sliding grooves; 208. a sliding block; 209. moving the slide bar; 210. an arc-shaped clamping groove; 301. the second protective frame strip; 302. a movable groove; 303. arc-shaped clamping strips; 304. a protective slide concave plate; 305. a second burglary-resisting environment-friendly window; 306. an anti-theft buzzer; 501. an upper door and window outer frame; 502. an anti-theft installation groove; 503. an anti-theft fixed window.
Detailed Description
The utility model is further described below with reference to the drawings and examples.
Referring to fig. 1-2, the present utility model provides an embodiment: an environment-friendly door and window with an anti-theft structure comprises a lower door and window outer frame 1, two side sealing anti-collision assemblies 2, an anti-theft movable protection assembly 3, a first anti-theft environment-friendly window 4 and an anti-theft fixed door and window assembly 5; the upper and lower side ends of the inner side of the lower door and window outer frame 1 are provided with two side sealing anti-collision assemblies 2; the anti-theft movable protection component 3 is arranged at the center of the upper end and the lower end of the inner side of the lower door and window outer frame 1; the middle of the two groups of two side sealing anti-collision assemblies 2 is connected with a first anti-theft environment-friendly window 4 in a sliding way; the upper end part of the lower door and window outer frame 1 is fixedly connected with an anti-theft fixed door and window assembly 5 for sealing and anti-theft protection of the top end, the anti-collision assemblies 2 are sealed at two sides, so that the first anti-theft environment-friendly window 4 has a certain compression resistance effect in the use process, when the first anti-theft environment-friendly window 4 is impacted by the outside, the first anti-theft environment-friendly window 4 cannot deform and the like due to external force, meanwhile, the anti-theft movable protection assembly 3 is utilized to play a role in stabilizing the anti-theft protection, the top end of the anti-theft fixed door and window assembly 5 can be sealed and anti-theft protected, the use safety and stability of the environment-friendly door and window are further improved, and the anti-theft fixed door and window assembly 5 comprises an upper door and window outer frame 501, an anti-theft mounting groove 502 and an anti-theft fixed window 503; an upper door and window outer frame 501 is fixedly connected with the upper end part of the lower door and window outer frame 1; an anti-theft mounting groove 502 is formed in the upper door and window outer frame 501; the anti-theft fixing window 503 is arranged in the anti-theft mounting groove 502, and the top end of the door and the window can be sealed and anti-theft protected by the anti-theft fixing window 503, so that the safety and the stability of the whole use of the environment-friendly door and window are further improved.
Referring to fig. 3, in the present embodiment, the two-side sealing anti-collision assembly 2 includes a first protection frame 201, an arc-shaped clamping block 202, a compression-resistant protection side plate 203, a buffer lamination sheet 204, a compression-resistant protection elastic strip 205, an anti-theft protection plate 206, a limiting chute 207, a sliding block 208, a moving sliding strip 209 and an arc-shaped clamping slot 210; the upper side end and the lower side end of the inner side of the lower door and window outer frame 1 are fixedly connected with a first protection frame strip 201; arc-shaped clamping blocks 202 are fixedly connected to two inner sides of the first protection frame strip 201, the arc-shaped clamping blocks 202 which are fixedly connected to two inner sides of the first protection frame strip 201 can play a role in protection and limiting, and a compression-resistant protection side plate 203 is fixedly connected to the inner wall of the first protection frame strip 201; the inner side of the compression-resistant protection side plate 203 is fixedly connected with a buffer lamination sheet 204; the inner side of the buffer lamination sheet 204 is fixedly connected with a pressure-bearing protection elastic strip 205, when the first anti-theft environment-friendly window 4 is impacted by the outside, the pressure-bearing protection effect can be strengthened by utilizing the pressure-bearing protection side plate 203, the buffer lamination sheet 204 and the pressure-bearing protection elastic strip 205, and the upper end part of the arc-shaped clamping groove 210 is fixedly connected with an anti-theft protection plate 206; a limit chute 207 is arranged on the inner side of the anti-theft protection plate 206; a sliding block 208 connected with the first anti-theft environment-friendly window 4 is connected inside the limit sliding groove 207 in a sliding manner; the bottom of the first anti-theft environment-friendly window 4 is fixedly connected with a movable sliding bar 209; the arc clamping groove 210 has been seted up to first theftproof environmental protection window 4 side, and when promoting first theftproof environmental protection window 4, sliding block 208 can slide in spacing spout 207 inside, and remove the slider 209 and can slide in step in having first protection frame strip 201 inside, has ensured the stability that first theftproof environmental protection window 4 removed.
Referring to fig. 4, in the present embodiment, the anti-theft mobile protection device 3 includes a second protection frame 301, a movable groove 302, an arc-shaped clamping strip 303, a protection sliding plate 304, a second anti-theft environmental protection window 305 and an anti-theft buzzer 306; the center of the upper end and the lower end of the inner side of the lower door and window outer frame 1 is fixedly connected with a second protection frame strip 301; the second protection frame strip 301 is internally provided with a movable groove 302, the second protection frame strip 301 can play a role in cooperation protection, and the inner wall of the second protection frame strip 301 is fixedly connected with an arc clamping strip 303; a protective sliding concave plate 304 is connected inside the movable groove 302 in a sliding way; the side end of the protective sliding concave plate 304 is fixedly connected with a second anti-theft environment-friendly window 305; the anti-theft buzzer 306 is installed on the outer side of the lower door and window outer frame 1, and when the second anti-theft environment-friendly window 305 is pushed, the protection sliding concave plate 304 can slide in the movable groove 302, so that the stable guiding movement effect is achieved.
When in work, the arc-shaped clamping blocks 202 which are fixedly connected with the two sides of the inner part of the first protection frame strip 201 can play a role in protection and limit;
when the first anti-theft environment-friendly window 4 is impacted by the outside, the anti-compression protection side plate 203, the buffer lamination piece 204 and the pressure-bearing protection elastic strip 205 are utilized to play a role in reinforcing the anti-compression protection;
When the first burglary-resisting environment-friendly window 4 is pushed, the sliding block 208 can slide in the limiting sliding groove 207, and the moving sliding bar 209 can synchronously slide in the first protection frame 201, so that the moving stability of the first burglary-resisting environment-friendly window 4 is ensured;
When promoting second theftproof environmental protection window 305, protection slide concave plate 304 can be at the inside slip of activity recess 302, plays stable direction and removes the effect, utilizes theftproof fixed window 503 to seal the theftproof protection to the door and window top at last, has further promoted environmental protection door and window overall use's security and stability.
Through the above-mentioned step, the sealed crashproof subassembly 2 in both sides that sets up makes first theftproof environmental protection window 4 have certain resistance to compression effect in the in-process that uses, when first theftproof environmental protection window 4 receives external impact, can not take place phenomenon such as deformation because of receiving external force, utilize theftproof to remove protection component 3 simultaneously and can play stable theftproof protection effect, and utilize the fixed door and window subassembly 5 of theftproof to seal the theftproof protection to its top, in the in-process that environmental protection door and window used, can not set up the reinforcement resistance to compression protection mechanism because the door and window both sides, thereby lead to environmental protection door and window to take place phenomenon such as deformation easily, environmental protection door and window also does not set up certain theftproof warning structure simultaneously, environmental protection door and window safety in utilization's problem has further been reduced.
The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.
Claims (7)
1. An environment-friendly door and window with an anti-theft structure comprises a lower door and window outer frame (1); the method is characterized in that: the anti-theft door further comprises two side sealing anti-collision assemblies (2), an anti-theft movable protection assembly (3), a first anti-theft environment-friendly window (4) and an anti-theft fixed door and window assembly (5); the upper and lower side ends of the inner side of the lower door and window outer frame (1) are provided with two side sealing anti-collision assemblies (2); an anti-theft movable protection component (3) is arranged at the center of the upper end and the lower end of the inner side of the lower door and window outer frame (1); a first anti-theft environment-friendly window (4) is connected between the two groups of two side sealing anti-collision assemblies (2) in a sliding way; the upper end part of the lower door and window outer frame (1) is fixedly connected with an anti-theft fixed door and window assembly (5) for sealing and anti-theft protection of the top end.
2. The environment-friendly door and window with an anti-theft structure according to claim 1, wherein: the two-side sealing anti-collision assembly (2) comprises a first protection frame strip (201), an arc clamping block (202), a compression-resistant protection side plate (203), a buffer attaching piece (204), a compression-resistant protection elastic strip (205), an anti-theft protection plate (206), a limiting sliding groove (207), a sliding block (208), a movable sliding strip (209) and an arc clamping groove (210); the upper side end and the lower side end of the inner side of the lower door and window outer frame (1) are fixedly connected with first protection frame strips (201); arc clamping blocks (202) are fixedly connected to two sides of the inner portion of the first protection frame strip (201).
3. The environment-friendly door and window with an anti-theft structure according to claim 1, wherein: the inner wall of the first protection frame strip (201) is fixedly connected with a compression-resistant protection side plate (203); the inner side of the compression-resistant protection side plate (203) is fixedly connected with a buffer lamination sheet (204); the inner side of the buffer lamination sheet (204) is fixedly connected with a pressure-bearing protection elastic strip (205).
4. The environment-friendly door and window with an anti-theft structure according to claim 2, wherein: the upper end part of the arc-shaped clamping groove (210) is fixedly connected with an anti-theft protection plate (206); a limit chute (207) is formed in the inner side of the anti-theft protection plate (206); a sliding block (208) connected with the first anti-theft environment-friendly window (4) is connected inside the limit chute (207) in a sliding way; the bottom of the first anti-theft environment-friendly window (4) is fixedly connected with a movable sliding bar (209); an arc-shaped clamping groove (210) is formed in the side end of the first anti-theft environment-friendly window (4).
5. The environment-friendly door and window with an anti-theft structure according to claim 1, wherein: the anti-theft movable protection component (3) comprises a second protection frame strip (301), a movable groove (302), an arc clamping strip (303), a protection sliding concave plate (304), a second anti-theft environment-friendly window (305) and an anti-theft buzzer (306); the centers of the upper end and the lower end of the inner side of the lower door and window outer frame (1) are fixedly connected with a second protection frame strip (301); the second protection frame strip (301) is internally provided with a movable groove (302).
6. The environment-friendly door and window with an anti-theft structure according to claim 5, wherein: an arc clamping strip (303) is fixedly connected to the inner wall of the second protection frame strip (301); a protective sliding concave plate (304) is connected inside the movable groove (302) in a sliding way; the side end of the protective sliding concave plate (304) is fixedly connected with a second anti-theft environment-friendly window (305); an anti-theft buzzer (306) is arranged on the outer side of the lower door and window outer frame (1).
7. The environment-friendly door and window with an anti-theft structure according to claim 1, wherein: the anti-theft fixed door and window assembly (5) comprises an upper door and window outer frame (501), an anti-theft mounting groove (502) and an anti-theft fixed window (503); an upper door and window outer frame (501) is fixedly connected with the upper end part of the lower door and window outer frame (1); an anti-theft mounting groove (502) is formed in the upper door and window outer frame (501); an anti-theft fixing window (503) is arranged in the anti-theft mounting groove (502).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420048356.1U CN221664593U (en) | 2024-01-09 | 2024-01-09 | Environment-friendly door and window with anti-theft structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420048356.1U CN221664593U (en) | 2024-01-09 | 2024-01-09 | Environment-friendly door and window with anti-theft structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221664593U true CN221664593U (en) | 2024-09-06 |
Family
ID=92572205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420048356.1U Active CN221664593U (en) | 2024-01-09 | 2024-01-09 | Environment-friendly door and window with anti-theft structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221664593U (en) |
-
2024
- 2024-01-09 CN CN202420048356.1U patent/CN221664593U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN221664593U (en) | Environment-friendly door and window with anti-theft structure | |
| CN216641797U (en) | Anti-collision structure and door and window with same | |
| CN215108171U (en) | Door lock device for electric side sliding door | |
| CN211943301U (en) | Lightweight door and wallboard cover structure | |
| CN212295223U (en) | Glass curtain wall | |
| CN210858402U (en) | Novel screen window integrated composite aluminum-clad wood window | |
| CN217975926U (en) | Anti-collision aluminum alloy door frame structure | |
| CN214365750U (en) | Reinforced concrete door | |
| CN218117575U (en) | Low-noise fixed door leaf | |
| CN210714291U (en) | Door frame opening reinforcing structure | |
| CN221032187U (en) | Sealing device for aluminum door and window | |
| CN214070036U (en) | Building interphone with positioning mechanism | |
| CN217205983U (en) | Shock attenuation buffering austral window, sliding sash | |
| CN220869226U (en) | Anti-collision safety door for bank vault | |
| CN217872440U (en) | Novel aluminum alloy door and window frame connecting structure | |
| CN213511547U (en) | Anti-collision toughened glass capable of being assembled | |
| CN220469712U (en) | High-strength frame structure | |
| CN217106687U (en) | Integrative flat-open window of external-open thermal-insulated screen window | |
| CN219303066U (en) | Entrance guard card induction equipment for intelligent entrance guard | |
| CN215595365U (en) | Sliding window pressing line with good sealing performance | |
| CN215761205U (en) | High-strength corrosion-resistant plastic-steel door and window | |
| CN215255733U (en) | Anti-collision device of protective door | |
| CN213269480U (en) | Aluminum profile for door frame | |
| CN216339224U (en) | Road and bridge anticollision barrier for civil engineering | |
| CN213144247U (en) | Aluminum alloy door frame that security performance is good |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |