CN215907701U - Stainless steel reinforcing plate steel door - Google Patents
Stainless steel reinforcing plate steel door Download PDFInfo
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- CN215907701U CN215907701U CN202121721688.4U CN202121721688U CN215907701U CN 215907701 U CN215907701 U CN 215907701U CN 202121721688 U CN202121721688 U CN 202121721688U CN 215907701 U CN215907701 U CN 215907701U
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Abstract
The utility model discloses a stainless steel reinforced plate steel door, which relates to the technical field of doors and comprises a door frame, a first stainless steel door leaf, a linkage structure capable of being opened conveniently, a movable structure capable of preventing rainwater from invading and a fixed structure capable of increasing stability. According to the utility model, the first expansion bolt penetrates through the door frame and is connected with the wall, so that the door frame can keep a better stability, the connection between the hinge and the stainless steel frame can be reinforced through the first bolt, and the connection between the hinge and the door frame can be reinforced through the second bolt.
Description
Technical Field
The utility model relates to the technical field of doors, in particular to a stainless steel reinforced plate steel door.
Background
Welding is a process of connecting metal parts by using various fusible alloys, the welding technology is visible in the industrial production process, and with the continuous progress of China society, the automatic welding has the advantages of slowly replacing manual welding in many cases, but the existing automatic welding machine has certain defects.
Through retrieval, chinese patent No. CN203783393U, publication date 2014, 08 and 20, discloses a novel stainless steel door, which comprises a door body and a door frame arranged at the periphery of the door body, wherein the door body comprises a door main body, a stainless steel pressing strip and a stainless steel pressing strip fixing nail arranged on the peripheral edge of the front surface of the door main body, and an inner frame body surrounding the periphery of the door main body, the inner frame body is formed by mutually surrounding four inner steel profiles, the door main body is tightly connected with the stainless steel pressing strip and the inner steel profile through the stainless steel pressing strip fixing nail, the door frame is formed by mutually surrounding four outer steel profiles, and the door body, the stainless steel pressing strip and the inner steel profile of the inner frame body have certain strength but lack of fixing strength between the door frame and the installation wall, so that an unstable phenomenon can occur, in view of the above problems, intensive research is made, the method is used for generating the same.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a stainless steel reinforced plate steel door to solve the problem of unstable connection proposed in the above background art.
In order to achieve the purpose, the utility model provides the following technical scheme: a stainless steel reinforced plate steel door comprises a door frame, a first stainless steel door leaf, a linkage structure which can be opened conveniently, a movable structure which can prevent rainwater from invading and a fixed structure which can increase stability;
a first stainless steel door leaf is arranged on one side inside the door frame, a second stainless steel door leaf is arranged on the other side inside the door frame, a plurality of hinges are mounted on two sides of one end of the door frame, one sides of the hinges are respectively connected with the first stainless steel door leaf and the second stainless steel door leaf, stainless steel blocks are mounted on one ends of two sides inside the door frame, and the fixing structures are arranged on two sides of the door frame;
a stainless steel frame is arranged inside the first stainless steel door leaf and the second stainless steel door leaf, a door core plate is arranged inside the stainless steel frame, a padlock is arranged at one side, close to the second stainless steel door leaf, of one end of the first stainless steel door leaf, a snap ring is arranged at one side, close to the first stainless steel door leaf, of one end of the second stainless steel door leaf, one end of the snap ring penetrates through one end of the padlock, a second ground socket is arranged at one side, close to the first stainless steel door leaf, of the bottom end of one end of the second stainless steel door leaf, a first ground socket is arranged at the middle position of the bottom end of one end of the second stainless steel door leaf, and the linkage structure is arranged at the top end of the first ground socket;
the bottom end of one end of the first stainless steel door leaf is provided with two third ground plugs, and the movable structures are respectively arranged at one ends of the first stainless steel door leaf and the second stainless steel door leaf.
Preferably, the fixed knot constructs still includes the fixed plate, the fixed plate is installed respectively in the both sides of door frame, and the one end of fixed plate is provided with second expansion bolts, the one end of hinge is provided with two second bolts, and inside the one end of second bolt runs through the hinge and extends to the door frame, the one end of hinge is provided with three first bolt, and inside the one end of first bolt runs through hinge one end and extends to the stainless steel frame, the inside of door frame is provided with first expansion bolts.
Preferably, the shape of the door frame is L-shaped, and the outer sides of the first stainless steel door leaf and the second stainless steel door leaf are in contact with the inner wall of the door frame.
Preferably, the linkage structure includes fixed rope, movable wheel, slide rail, connection rope, first rotation wheel and second rotation wheel, the slide rail is installed to the one end of second stainless steel door leaf, and the inside of slide rail is provided with the movable wheel, first rotation wheel is installed through the bearing to the one end of second stainless steel door leaf, and the one end of second stainless steel door leaf installs the second through the bearing and rotates the wheel, fixed rope is installed on the top of second ground socket, and the one end of fixed rope passes the movable wheel and is connected through the connecting piece with first ground socket top, the connection rope is installed to the one end of padlock, and the one end of connecting the rope passes the second in proper order and rotates the wheel and first rotation wheel and be connected with the movable wheel.
Preferably, the second rotating wheel and the movable wheel are symmetrical about the vertical central axis of the first rotating wheel, and the movable wheel and the second rotating wheel are positioned on the same horizontal line.
Preferably, the movable structure includes connecting rod, baffle, bolt, first spacing hole, cardboard and the spacing hole of second, the baffle passes through the bearing installation and installs respectively in the bottom of first stainless steel door leaf and second stainless steel door leaf one end, and just two cardboards are all installed to the one end of first stainless steel door leaf and second stainless steel door leaf, the intermediate position department of cardboard both sides all is provided with the spacing hole of second, and the top of cardboard both sides all is provided with the spacing hole of second, the one end of baffle articulates through the articulated elements has two connecting rods, and the one end of connecting rod extends to inside the cardboard, one side of cardboard is provided with the bolt, and the one end of bolt runs through the connecting rod and extends to the spacing downthehole portion of second.
Preferably, the clamping plate is C-shaped, and the inner wall of the clamping plate is in contact with one end of the connecting rod.
Compared with the related art, the stainless steel reinforced plate steel door provided by the utility model has the following beneficial effects:
1. the utility model provides a fixing plate, a first bolt, a second expansion bolt and the first expansion bolt, wherein the first expansion bolt penetrates through a door frame to be connected with a wall, so that the door frame can keep a better stability, the connection between a hinge and a stainless steel frame can be reinforced through the first bolt, the connection between the hinge and the door frame can be reinforced through the second bolt, the connection between the hinge, the door frame and the stainless steel frame can be kept stable through the first bolt, and the fixing plate is arranged and connected with the wall through the second expansion bolt, so that the wall which can be stably connected with the fixing plate can be stably connected;
2. the utility model provides a movable wheel, a fixed rope, a second rotating wheel, a connecting rope and a first rotating wheel, wherein the movable wheel can be driven to move by utilizing a switch of a padlock when the padlock is opened to enable the padlock to be separated from a clamping ring, the movable wheel can be driven to ascend by the movement of the connecting rope and the limitation of the first rotating wheel and the second rotating wheel, the fixed rope can ascend together in the ascending process of the movable wheel, the first ground socket and the second ground socket can ascend in the ascending process of the fixed rope, the fixation of a second stainless steel door leaf can be released by the movement of the first ground socket and the second ground socket, the second stainless steel door leaf is opened, the first ground socket and the second ground socket do not need to be reopened after the padlock is opened, and the problem that the opening of the device is troublesome is solved through the movable wheel and the second rotating wheel;
3. the utility model provides a connecting rod, a baffle plate, a bolt and a first limiting hole, rainwater can be blocked in rainy days by utilizing the existence of the baffle plate, the rainwater is prevented from passing through the bottom end of the device, when the device is opened, the bolt can be pulled out, the connecting rod is pulled upwards, then the bolt sequentially passes through the connecting rod and the first limiting hole, the baffle plate rotates upwards, the contact with the ground is removed, the device is convenient to open, and the problem of poor sealing performance of the device is solved.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic side view of the cross-sectional structure of the present invention;
FIG. 3 is a schematic top cross-sectional view of the present invention;
FIG. 4 is an enlarged view of the structure at A of FIG. 3 according to the present invention;
FIG. 5 is a schematic view of a linkage structure according to the present invention;
fig. 6 is a partially enlarged structural view of the movable structure of the present invention.
In the figure: 1. a door frame; 2. a linkage structure; 201. fixing a rope; 202. a movable wheel; 203. a slide rail; 204. Connecting ropes; 205. a first rotating wheel; 206. a second rotating wheel; 3. a first ground socket; 4. a second ground socket; 5. a snap ring; 6. a padlock; 7. a third ground socket; 8. a movable structure; 801. a connecting rod; 802. a baffle plate; 803. a bolt; 804. a first limit hole; 805. clamping a plate; 806. a second limiting hole; 9. a hinge; 10. a fixing plate; 11. a first stainless steel door leaf; 12. a second stainless steel door leaf; 13. a stainless steel block; 14. a first expansion bolt; 15. a door core panel; 16. a stainless steel frame; 17. a first bolt; 18. a second expansion bolt; 19. and a second bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1: referring to fig. 1 to 6, a stainless steel reinforced plate steel door includes a door frame 1 and a first stainless steel door leaf 11, and further includes a linkage structure 2 capable of being opened conveniently, a movable structure 8 capable of preventing rainwater from invading, and a fixed structure capable of increasing stability;
a first stainless steel door leaf 11 is arranged on one side inside the door frame 1, a second stainless steel door leaf 12 is arranged on the other side inside the door frame 1, a plurality of hinges 9 are mounted on two sides of one end of the door frame 1, one side of each hinge 9 is connected with the first stainless steel door leaf 11 and the second stainless steel door leaf 12 respectively, a stainless steel block 13 is mounted on one end of each side inside the door frame 1, and fixing structures are arranged on two sides of the door frame 1;
a stainless steel frame 16 is arranged inside the first stainless steel door leaf 11 and the second stainless steel door leaf 12, a door core plate 15 is arranged inside the stainless steel frame 16, a padlock 6 is arranged at one side, close to the second stainless steel door leaf 12, of one end of the first stainless steel door leaf 11, a snap ring 5 is arranged at one side, close to the first stainless steel door leaf 11, of one end of the second stainless steel door leaf 12, one end of the snap ring 5 penetrates through one end of the padlock 6, a second ground socket 4 is arranged at one side, close to the first stainless steel door leaf 11, of the bottom end of one end of the second stainless steel door leaf 12, a first ground socket 3 is arranged at the middle position of the bottom end of one end of the second stainless steel door leaf 12, and a linkage structure 2 is arranged at the top end of the first ground socket 3;
the bottom end of one end of the first stainless steel door leaf 11 is provided with two third ground plugs 7, and the movable structures 8 are respectively arranged at one ends of the first stainless steel door leaf 11 and the second stainless steel door leaf 12;
referring to fig. 1-6, the stainless steel reinforced plate steel door further comprises a fixing structure further comprising fixing plates 10, wherein the fixing plates 10 are respectively installed on two sides of the door frame 1, one end of each fixing plate 10 is provided with a second expansion bolt 18, one end of each hinge 9 is provided with two second bolts 19, one end of each second bolt 19 penetrates through the hinge 9 and extends into the door frame 1, one end of each hinge 9 is provided with three first bolts 17, one end of each first bolt 17 penetrates through one end of each hinge 9 and extends into the stainless steel frame 16, and the inside of the door frame 1 is provided with a first expansion bolt 14;
the shape of the door frame 1 is L-shaped, and the outer sides of the first stainless steel door leaf 11 and the second stainless steel door leaf 12 are in contact with the inner wall of the door frame 1;
specifically, as shown in fig. 1, 2, 3 and 4, the first expansion bolt 14 is connected to the wall through the door frame 1, so that the door frame 1 can maintain a good stability, the connection between the hinge 9 and the stainless steel frame 16 can be reinforced by the first bolt 17, the connection between the hinge 9 and the door frame 1 can be reinforced by the second bolt 19, the connection between the hinge 9, the door frame 1 and the stainless steel frame 16 can be maintained stable, and the fixing plate 10 is provided and connected to the wall by the second expansion bolt 18, so that the fixing plate 10 and the door frame 1 are welded to each other, thereby stabilizing the fixing plate 10 and the door frame 1.
Example 2: the linkage structure 2 comprises a fixed rope 201, a movable wheel 202, a sliding rail 203, a connecting rope 204, a first rotating wheel 205 and a second rotating wheel 206, the sliding rail 203 is installed at one end of a second stainless steel door leaf 12, the movable wheel 202 is arranged inside the sliding rail 203, the first rotating wheel 205 is installed at one end of the second stainless steel door leaf 12 through a bearing, the second rotating wheel 206 is installed at one end of the second stainless steel door leaf 12 through a bearing, the fixed rope 201 is installed at the top end of a second ground socket 4, one end of the fixed rope 201 penetrates through the movable wheel 202 to be connected with the top end of the first ground socket 3 through a connecting piece, the connecting rope 204 is installed at one end of the padlock 6, and one end of the connecting rope 204 sequentially penetrates through the second rotating wheel 206 and the first rotating wheel 205 to be connected with the movable wheel 202;
the second rotating wheel 206 and the movable wheel 202 are symmetrical about the vertical central axis of the first rotating wheel 205, and the movable wheel 202 and the second rotating wheel 206 are located on the same horizontal line;
specifically, as shown in fig. 1 and 5, the padlock 6 is disengaged from the shackle 5 by opening the padlock 6, the connecting rope 204 can be pulled to move during the movement of the padlock 6, the movable wheel 202 can be driven to ascend by the movement of the connecting rope 204 and the restriction of the first rotating wheel 205 and the second rotating wheel 206, the fixed rope 201 can ascend together during the ascending of the movable wheel 202, the first ground receptacle 3 and the second ground receptacle 4 can ascend during the ascending of the fixed rope 201, the fixation of the second stainless steel door leaf 12 can be released by the movement of the first ground receptacle 3 and the second ground receptacle 4, and the second stainless steel door leaf 12 can be rotated to open the device.
Example 3: the movable structure 8 comprises a connecting rod 801, a baffle 802, a bolt 803, a first limiting hole 804, a clamping plate 805 and a second limiting hole 806, the baffle 802 is installed at the bottom end of one end of the first stainless steel door leaf 11 and the bottom end of one end of the second stainless steel door leaf 12 through bearings, two clamping plates 805 are installed at one end of each of the first stainless steel door leaf 11 and the second stainless steel door leaf 12, the second limiting holes 806 are arranged at the middle positions of two sides of each clamping plate 805, the second limiting holes 806 are arranged above two sides of each clamping plate 805, one end of the baffle 802 is hinged to two connecting rods 801 through a hinge, one end of each connecting rod 801 extends into the corresponding clamping plate 805, the bolt 803 is arranged at one side of each clamping plate 805, and one end of each bolt 803 penetrates through the corresponding connecting rod 801 and extends into the corresponding second limiting hole 806;
the clamping plate 805 is C-shaped, and the inner wall of the clamping plate 805 is in contact with one end of the connecting rod 801;
specifically, as shown in fig. 1 and 6, by utilizing the existence of the baffle 802, rainwater can be blocked in rainy weather, so that the rainwater can be prevented from passing through the bottom end of the device, when the device needs to be opened, the bolt 803 can be pulled out, the connecting rod 801 is pulled upwards, and then the bolt 803 sequentially passes through the connecting rod 801 and the first limiting hole 804, so that the baffle 802 rotates upwards.
The working principle is as follows: when the device is used, firstly, when the door is closed, the padlock 6 is inserted into the snap ring 5 for locking, the first ground socket 3, the second ground socket 4 and the third ground socket 7 are inserted into the ground, so that the first stainless steel door leaf 11 and the second stainless steel door leaf 12 are kept stable, and when the rain weather falls, the device is used for preventing the invasion of rain;
the first innovation point implementation step:
firstly, by utilizing the existence of the baffle 802, rainwater can be blocked in a rainwater weather, so that the rainwater is prevented from passing through the bottom end of the device;
secondly, when the device needs to be opened, the bolt 803 can be pulled out, the connecting rod 801 is pulled upwards, and then the bolt 803 sequentially penetrates through the connecting rod 801 and the first limiting hole 804, so that the baffle 802 rotates upwards;
thirdly, after the baffle 802 moves upwards, the contact with the ground is released, and the device can be opened conveniently;
when the device needs to be opened;
the implementation step of the second innovation point:
the first step, the padlock 6 is separated from the snap ring 5 by opening the padlock 6, and the connecting rope 204 can be pulled to move in the moving process of the padlock 6;
secondly, the movable wheel 202 can be driven to ascend through the movement of the connecting rope 204 and the limitation of the first rotating wheel 205 and the second rotating wheel 206, and the fixed rope 201 can ascend together in the ascending process of the movable wheel 202;
thirdly, the first ground socket 3 and the second ground socket 4 can be lifted during the lifting of the fixing rope 201, the fixing of the second stainless steel door 12 can be released through the movement of the first ground socket 3 and the second ground socket 4, and the second stainless steel door 12 can be rotated to open the device;
in order to improve the stability and the service life of the device;
the third innovation point implementation step:
firstly, a first expansion bolt 14 penetrates through a door frame 1 to be connected with a wall, so that the door frame 1 can keep a good stability, and the connection between a hinge 9 and a stainless steel frame 16 can be reinforced through a first bolt 17;
secondly, the connection between the hinge 9 and the door frame 1 can be reinforced through the second bolt 19, and the connection among the hinge 9, the door frame 1 and the stainless steel frame 16 can be kept stable through the second bolt;
and thirdly, the fixing plate 10 is provided and the fixing plate 10 is connected with the wall through the second expansion bolt 18, so that the fixing plate 10 can be stably connected with the wall, and the fixing plate 10 is welded with the door frame 1, so that the fixing plate 10 and the door frame 1 are stable.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a stainless steel reinforcing plate steel door, includes door frame (1) and first stainless steel door leaf (11), its characterized in that: the rainwater-proof and rainwater-proof device also comprises a linkage structure (2) which can be opened conveniently, a movable structure (8) which can prevent rainwater from invading and a fixed structure which can increase stability;
a first stainless steel door leaf (11) is arranged on one side inside the door frame (1), a second stainless steel door leaf (12) is arranged on the other side inside the door frame (1), a plurality of hinges (9) are mounted on two sides of one end of the door frame (1), one side of each hinge (9) is connected with the first stainless steel door leaf (11) and the second stainless steel door leaf (12) respectively, a stainless steel block (13) is mounted on one end of each side inside the door frame (1), and the fixing structures are arranged on two sides of the door frame (1);
a stainless steel frame (16) is arranged inside the first stainless steel door leaf (11) and the second stainless steel door leaf (12), a door core plate (15) is arranged inside the stainless steel frame (16), a padlock (6) is installed on one side, close to the second stainless steel door leaf (12), of one end of the first stainless steel door leaf (11), a clamping ring (5) is arranged on one side, close to the first stainless steel door leaf (11), of one end of the second stainless steel door leaf (12), one end of the clamping ring (5) penetrates through one end of the padlock (6), a second ground socket (4) is arranged on one side, close to the first stainless steel door leaf (11), of the bottom end of one end of the second stainless steel door leaf (12), a first ground socket (3) is arranged in the middle position of the bottom end of one end of the second stainless steel door leaf (12), and the linkage structure (2) is arranged at the top end of the first ground socket (3);
the bottom end of one end of the first stainless steel door leaf (11) is provided with two third ground plugs (7), and the movable structure (8) is respectively arranged at one end of the first stainless steel door leaf (11) and one end of the second stainless steel door leaf (12).
2. A stainless steel reinforced panel steel door according to claim 1, wherein: the fixing structure further comprises fixing plates (10), the fixing plates (10) are installed on two sides of the door frame (1) respectively, second expansion bolts (18) are arranged at one ends of the fixing plates (10), two second bolts (19) are arranged at one ends of the hinges (9), one ends of the second bolts (19) penetrate through the hinges (9) and extend to the interior of the door frame (1), three first bolts (17) are arranged at one ends of the hinges (9), one ends of the first bolts (17) penetrate through one ends of the hinges (9) and extend to the interior of the stainless steel frame (16), and first expansion bolts (14) are arranged in the interior of the door frame (1).
3. A stainless steel reinforced panel steel door according to claim 1, wherein: the shape of the door frame (1) is L-shaped, and the outer sides of the first stainless steel door leaf (11) and the second stainless steel door leaf (12) are in contact with the inner wall of the door frame (1).
4. A stainless steel reinforced panel steel door according to claim 1, wherein: the linkage structure (2) comprises a fixed rope (201), a movable wheel (202), a sliding rail (203), a connecting rope (204), a first rotating wheel (205) and a second rotating wheel (206), the sliding rail (203) is installed at one end of the second stainless steel door leaf (12), a movable wheel (202) is arranged in the sliding rail (203), a first rotating wheel (205) is arranged at one end of the second stainless steel door leaf (12) through a bearing, one end of the second stainless steel door leaf (12) is provided with a second rotating wheel (206) through a bearing, the top end of the second ground socket (4) is provided with a fixed rope (201), one end of the fixed rope (201) passes through the movable wheel (202) and is connected with the top end of the first ground socket (3) through a connecting piece, one end of the padlock (6) is provided with a connecting rope (204), and one end of the connecting rope (204) passes through the second rotating wheel (206) and the first rotating wheel (205) in sequence to be connected with the movable wheel (202).
5. The stainless steel reinforced panel steel door of claim 4, wherein: the second rotating wheel (206) and the movable wheel (202) are symmetrical about a vertical central axis of the first rotating wheel (205), and the movable wheel (202) and the second rotating wheel (206) are located on the same horizontal line.
6. A stainless steel reinforced panel steel door according to claim 1, wherein: the movable structure (8) comprises a connecting rod (801), a baffle (802), a bolt (803), a first limiting hole (804), a clamping plate (805) and a second limiting hole (806), the baffle (802) is respectively arranged at the bottom ends of one ends of the first stainless steel door leaf (11) and the second stainless steel door leaf (12) through bearings, and one end of the first stainless steel door leaf (11) and one end of the second stainless steel door leaf (12) are both provided with two clamping plates (805), the middle positions of the two sides of the clamping plate (805) are respectively provided with a second limiting hole (806), and the upper parts of the two sides of the clamping plate (805) are respectively provided with a second limiting hole (806), one end of the baffle plate (802) is hinged with two connecting rods (801) through a hinge piece, one end of the connecting rod (801) extends into the clamping plate (805), one side of the clamping plate (805) is provided with a bolt (803), and one end of the bolt (803) penetrates through the connecting rod (801) and extends into the second limiting hole (806).
7. The stainless steel reinforced panel steel door of claim 6, wherein: the clamping plate (805) is C-shaped, and the inner wall of the clamping plate (805) is in contact with one end of the connecting rod (801).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121721688.4U CN215907701U (en) | 2021-07-27 | 2021-07-27 | Stainless steel reinforcing plate steel door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121721688.4U CN215907701U (en) | 2021-07-27 | 2021-07-27 | Stainless steel reinforcing plate steel door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215907701U true CN215907701U (en) | 2022-02-25 |
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ID=80289959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121721688.4U Active CN215907701U (en) | 2021-07-27 | 2021-07-27 | Stainless steel reinforcing plate steel door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215907701U (en) |
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2021
- 2021-07-27 CN CN202121721688.4U patent/CN215907701U/en active Active
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