CN213711521U - Rod piece quick-connection joint structure and assembled frame applying same - Google Patents
Rod piece quick-connection joint structure and assembled frame applying same Download PDFInfo
- Publication number
- CN213711521U CN213711521U CN202022739805.1U CN202022739805U CN213711521U CN 213711521 U CN213711521 U CN 213711521U CN 202022739805 U CN202022739805 U CN 202022739805U CN 213711521 U CN213711521 U CN 213711521U
- Authority
- CN
- China
- Prior art keywords
- locking handle
- joint
- connecting portion
- rod piece
- piece
- 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
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model discloses a member quick connect fitting structure and use its frame of assembling belongs to member connection structure field. The utility model discloses a member quick connect joint design, including joint spare and locking handle, the joint spare has first connecting portion and second connecting portion, first connecting portion and/or second connecting portion pass through locking handle fixed connection with the member that corresponds, the one end of locking handle is rotated and is installed in the handle hole that sets up on corresponding member lateral wall, the handle hole communicates with each other with the socket of member tip, be equipped with the recess on first connecting portion and/or the second connecting portion, be equipped with on the locking handle and insert the cam portion that rotates the lock with inserting the recess on the intraoral first connecting portion or the second connecting portion of the socket that corresponds the member. The utility model discloses utilize cam portion on the locking handle to rotate the connecting portion that compress tightly the connector, utilize cam portion and recess lock joint simultaneously, realize the high-speed joint of member for dismouting is nimble convenient between the member, and firm in connection is reliable, and difficult pine takes off.
Description
Technical Field
The utility model relates to a member mosaic structure, more specifically say, relate to a member quick connect joint structure and use its frame of assembling.
Background
The assembled frame is very common in daily life and production activities, and compared with a welded frame, the assembled frame has the advantages of convenience in disassembly and assembly, flexibility in use and the like, so that the assembled frame is commonly used in products such as door bodies, display frames, mirror frames and assembled metal cabinets. Most of common assembled frames are formed by assembling section bar members and connecting pieces, the connecting pieces and the section bar members are connected through bolts, and a large amount of bolts are required to be screwed in the assembling and disassembling process, so that the frames are not flexible and convenient to disassemble and assemble.
In order to improve the assembling convenience of the section bars, a rapid connecting piece of a plurality of section bars also appears at present, for example, a section bar rapid connecting lock disclosed by Chinese patent number ZL201320369235.9, a section bar connecting lock disclosed by Chinese patent number ZL201510271683.9 and a novel section bar connecting piece disclosed by Chinese patent number ZL201821502193.0, the structural principle of the section bar connecting piece is that a handle is utilized to pull a cam to apply pressure to a pressing block, the pressing block is abutted against the inner wall of the section bar, the rapid connection between the section bar pieces is realized by utilizing the friction force between the pressing block and the inner wall of the section bar, and the section bar connecting piece has the advantage of convenient assembly and disassembly, but the defect is that: the connection is realized by utilizing the friction force between the pressing block and the inner wall of the section bar, the connection strength depends on the pressure between the pressing block and the section bar, and the connection reliability is lower. As a 'locking structure of a display lamp box' disclosed in chinese patent No. ZL201720206703.9, the structure principle is similar to the above-mentioned section bar connecting piece, the handle is used to drive the cam to rotate, and the cam is used to apply pressure to the spring steel sheet, so that the spring steel sheet is tightly attached to the corresponding side wall of the section bar to realize locking. The utility model discloses a "a novel aluminium frame spring corner buckle" that china patent number zl201520203406.x discloses again, it forms elastic eye-splice end on the fixed plate of connecting piece, set up the socket in the corresponding position of section bar, insert section bar one end on the fixed plate of connecting piece during the connection, connect the back of targetting in place, eye-splice end elasticity resets and gets into in the socket of section bar, realize connection between them, this kind of mode utilizes the mode of elasticity buckle to connect, it is relatively more firm to connect, but because the eye-splice end is located the socket, need push down the eye-splice end during the dismantlement and break away from the socket, it is comparatively inconvenient to dismantle the operation.
Based on the above problems of the existing rod piece quick connector structure, it is necessary to design a novel rod piece quick connector structure which is convenient to disassemble and assemble and firm in connection.
Disclosure of Invention
1. Technical problem to be solved by the utility model
The utility model discloses an overcome above-mentioned not enough that current member concatenation joint design exists, provide a member high-speed joint structure and use its frame of assembling, adopt the technical scheme of the utility model, set up the recess on the connecting portion of piecing, set up the locking handle at the member tip, utilize the connecting portion of piecing to insert the socket of member tip to rotate with the cam portion on the locking handle and compress tightly connecting portion, utilize cam portion and recess lock joint simultaneously, realize the high-speed joint of member, make dismouting nimble convenient between the member, and firm in connection is reliable, and difficult pine takes off.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model discloses a member quick connect joint design, including joint spare and locking handle, the joint spare first connecting portion and second connecting portion that can be connected with two members respectively have, first connecting portion and/or second connecting portion pass through locking handle fixed connection with the member that corresponds, the one end of locking handle rotate and install in the handle hole that sets up on corresponding member lateral wall, the socket of handle hole and member tip communicate with each other, first connecting portion and/or second connecting portion on be equipped with the recess, the locking handle on be equipped with and insert the cam portion that rotates the lock with the recess on the intraoral first connecting portion of socket or the second connecting portion that correspond the member.
Furthermore, the locking handle is also provided with a spanner part connected with the cam part, and the cam part is eccentrically and rotatably arranged in the handle hole of the rod piece through a pin shaft.
Furthermore, pin shaft holes are formed in two sides of the handle hole of the rod piece, pin through holes are formed in the cam portion of the locking handle, and the pin shaft penetrates through the pin shaft holes and the pin through holes in sequence to enable the locking handle to be rotatably installed on the rod piece.
Furthermore, the joint piece is a straight joint or an L-shaped joint.
Furthermore, the rod is a profile rod.
Furthermore, the bottom of the groove is also provided with a convex rib for positioning the cam part.
Furthermore, the joint piece is integrally formed by plastic materials.
The utility model discloses an assemble frame is assembled by the member and is formed, the member between adopt foretell member high-speed joint structure to be connected.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following beneficial effect:
(1) the utility model discloses a quick connector structure of rod piece, it includes piecing and locking handle, set up the recess on the connecting portion of piecing, set up the locking handle at the rod end, utilize the connecting portion of piecing to insert the socket of rod end, and rotate with the cam portion on the locking handle and compress tightly the connecting portion, utilize cam portion and recess lock joint at the same time, realize the quick connection of rod piece, make between the rod piece dismouting nimble convenient, and firm in connection is reliable, difficult pine takes off;
(2) the utility model discloses a joint structure for quick connection of rod pieces, the locking handle of which is also provided with a spanner part connected with a cam part, the cam part is eccentrically and rotationally installed in a handle hole of the rod piece through a pin shaft, the locking handle is rotationally operated by utilizing the lever principle, the operation is easy and labor-saving, and the locking handle is connected by the pin shaft, so the manufacture is simple and convenient;
(3) the utility model discloses a rod piece quick connecting joint structure, the joint piece of which is a straight-line joint or an L-shaped joint, which can be suitable for straight-line lengthening and L-shaped corners between rod pieces and is convenient for quick assembly of various frame structures;
(4) the utility model discloses a quick connecting joint structure of rod piece, the rod piece is a section bar, which can meet the quick assembly or disassembly of various section bar assembly frames;
(5) the utility model discloses a joint structure for quick connection of rod pieces, the bottom of the groove of which is also provided with a convex rib for positioning the cam part, the convex rib can be utilized to position the cam part, the cam part is prevented from loosening and rotating, and the locking firmness of the locking handle to the joint piece is further improved;
(6) the utility model discloses a quick connecting joint structure of a rod piece, the joint piece is integrally formed by plastic materials, and the manufacture is simple and convenient;
(7) the utility model discloses an assemble frame adopts foretell member quick connect joint structure to be connected between its member, can assemble fast and form the frame, and dismouting simple and convenient, and the frame is whole more firm reliable, is particularly useful for assembling fast of frames such as all kinds of show framves.
Drawings
Fig. 1 is a schematic view of a connection state of a quick connection joint structure for a rod according to the present invention;
fig. 2 is a schematic view of a split structure of a quick connecting joint structure of a rod member according to the present invention;
fig. 3(a) is a schematic sectional view of a quick connecting joint structure of a rod according to the present invention in an assembled state;
fig. 3(b) is a cross-sectional view of a locking state of a quick rod connection joint structure according to the present invention;
fig. 4 is a schematic view of the end structure of the rod member of the present invention;
fig. 5 is a schematic structural view of a joint member according to the present invention;
fig. 6 is a schematic view of a three-dimensional structure of an assembly frame of the present invention.
The reference numerals in the schematic drawings illustrate:
1. a rod member; 1-1, handle hole; 1-2, pin shaft holes; 1-3, a socket; 2. a joint member; 2-1, a first connection; 2-2, a second connecting part; 2-3, a groove; 2-4, convex ribs; 3. a locking handle; 3-1, a wrench part; 3-2, a cam part; 3-3, pin holes are penetrated; 4. and (7) a pin shaft.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
[ examples ]
Referring to fig. 1 to 5, a quick connection joint structure for rod members of this embodiment is installed between ends of two rod members 1, and is used to connect the two rod members 1, and includes a joint member 2 and a locking handle 3, the joint member 2 has a first connecting portion 2-1 and a second connecting portion 2-2 that can be respectively connected with the two rod members 1, the first connecting portion 2-1 and/or the second connecting portion 2-2 is fixedly connected with the corresponding rod member 1 through the locking handle 3, the connecting portion connected with the locking handle 3 is of a plug-in post structure and can be plugged into a socket 1-3 provided at the end of the rod member 1, one end of the locking handle 3 is rotatably installed in a handle hole 1-1 provided on a side wall of the corresponding rod member 1, the handle hole 1-1 is communicated with the socket 1-3 at the end of the rod member 1, the locking handle 3 can be operated relatively on the rod piece 1, the first connecting part 2-1 and/or the second connecting part 2-2 are/is provided with grooves 2-3, namely the connecting parts connected by the locking handle 3 are provided with the grooves 2-3, and the locking handle 3 is provided with a cam part 3-2 which is rotationally buckled with the grooves 2-3 on the first connecting part 2-1 or the second connecting part 2-2 inserted into the socket 1-3 of the corresponding rod piece 1. Referring to fig. 3(a) and 3(b), during connection, the first connection portion 2-1 of the joint member 2 is inserted into the socket 1-3 of the rod member 1 in the direction of the horizontal arrow in fig. 3(a), after the first connection portion is inserted into the socket, the groove 2-3 is located at the cam portion 3-2 of the locking handle 3, and then the locking handle 3 is rotated clockwise and downward in the direction of the rotation arrow in fig. 3(a), at this time, the cam portion 3-2 of the locking handle 3 is snapped into the groove 2-3 of the first connection portion 2-1, so as to form a state shown in fig. 3(b), and when the cam portion 3-2 presses the first connection portion 2-1, the fastening effect of the cam portion 3-2 and the groove 2-3 is utilized, so as to improve the connection firmness of the two portions, and the first connection portion is not easy to loosen after the locking.
As shown in fig. 1, 2 and 4, in this embodiment, the locking handle 3 further has a wrench portion 3-1 connected to the cam portion 3-2, the cam portion 3-2 is eccentrically and rotatably mounted in the handle hole 1-1 of the rod member 1 through a pin 4, and the wrench portion 3-1 is rotatably operated by using a lever principle, which uses the pin 4 as a fulcrum and the wrench portion 3-1 as a lever arm, so that the operation is easy and labor-saving. In addition, the locking handle 3 is connected to the rod piece 1 by the pin shaft 4, and the manufacturing is simple and convenient. Specifically, two sides of a handle hole 1-1 of the rod piece 1 are provided with pin shaft holes 1-2, a cam part 3-2 of the locking handle 3 is provided with a pin through hole 3-3, the pin through hole 3-3 and the cam part 3-2 are eccentrically arranged, and a pin shaft 4 sequentially penetrates through the pin shaft holes 1-2 and the pin through hole 3-3 to rotatably mount the locking handle 3 on the rod piece 1, so that the locking handle 3 can be conveniently mounted on the rod piece 1. In addition, the wrench part 3-1 is preferably rotated downwards to lock, so that after the locking connection, the wrench part 3-1 is partially attached to the handle hole 1-1 of the rod member 1, and the problem of mistaken unlocking caused by mistaken touch on the wrench part 3-1 is solved. Further, as shown in fig. 5, in order to prevent the locking handle 3 from loosening and rotating, a convex rib 2-4 for positioning the cam portion 3-2 is further arranged at the bottom of the groove 2-3, when the locking handle is locked, the cam portion 3-2 rotates and is pressed down into the groove 2-3, the highest position of the cam is extruded with the bottom of the groove 2-3 and rotates over the convex rib 2-4, structurally, the convex rib 2-4 blocks the cam portion 3-2 and prevents the cam portion 3-2 from rotating reversely, at the moment, the convex rib 2-4 plays a positioning role for the cam portion 3-2, the cam portion 3-2 can be prevented from loosening and rotating, the locking firmness and stability of the locking handle 3 to the joint piece 2 are further improved, and the loosening condition is not easy to occur during use.
In this embodiment, the joint member 2 may be a linear joint or an L-shaped joint, the rod members 1 may be lengthened by using the linear joint structure, and the rod members 1 may be connected at their corners by using the L-shaped joint structure, which facilitates the quick assembly of various frame structures. The joint member 2 as illustrated in fig. 1, 2 and 5 is an L-shaped joint in which a first connecting portion 2-1 and a second connecting portion 2-2 are at right angles for right-angle transit connection of two rod members 1. Of course, the included angle between the first connection part 2-1 and the second connection part 2-2 can be selected according to the requirement; when the socket 2 is a line-shaped socket, the first connecting portion 2-1 and the second connecting portion 2-2 are aligned. In addition, it should be understood that in some rod connecting nodes, the joint member 2 may also adopt a "T" shape, a "cross" shape or a three-dimensional node structure, etc., and can connect more than two rod members, which are just the above-mentioned line-shaped joint or L-shaped joint variants, and will not be described in detail herein. In addition, the first connecting part 2-1 and the second connecting part 2-2 of the joint piece 2 can be quickly locked and connected with the locking handle 3, namely the first connecting part 2-1 and the second connecting part 2-2 are respectively provided with a groove 2-3 which is respectively locked and connected with the corresponding rod piece 1; one of the first connecting portion 2-1 and the second connecting portion 2-2 may be connected to the locking handle 3 by quick locking, and the other is connected to the corresponding rod 1 by other existing structures, such as bolt connection, as shown in fig. 1 and 2, the second connecting portion 2-2 is connected to the corresponding rod 1 by bolt, the second connecting portion 2-2 is inserted into the socket 1-3 of the rod 1, and then the bolt is screwed in from the side surface of the rod 1 to achieve fixed connection between the rod 1 and the second connecting portion 2-2.
Preferably, the rod member 1 is a hollow rod, preferably an aluminum rod, which is naturally formed with a socket 1-3 at the end, and can be connected with the connecting portion of the joint member 2 by directly using a hollow profile. In addition, the section bar is adopted, the strength of the bar is high, the application range is wide, and the rapid assembling or disassembling of various section bar assembling frames can be met. The joint piece 2 is preferably integrally formed by plastic materials, and is simple and convenient to manufacture.
As shown in fig. 6, this embodiment further discloses a splicing frame, which is formed by splicing the rod members 1, and the rod members 1 are connected by the rod member quick-connecting joint structure. Specifically, the assembled frame comprises two transverse rods 1 and two longitudinal rods 1, one sides of the two transverse rods 1 and one sides of the two longitudinal rods 1 are connected to form a rectangular frame, the corner positions of the transverse rod piece 1 and the longitudinal rod piece 1 are spliced and connected by adopting the quick rod piece connecting joint structure, the joint piece 2 adopts an L-shaped structure, the first connecting part 2-1 of the joint piece 2 is inserted into the socket 1-3 at the end part of the transverse rod piece 1, the locking handle 3 is rotatably arranged on the transverse rod piece 1, the transverse rod piece 1 is firmly connected with the first connecting part 2-1 by rotating the locking handle 3, the second connecting part 2-2 of the joint piece 2 is inserted into the end socket 1-3 of the longitudinal rod piece 1, and the second connecting part 2-2 is fixedly connected with the longitudinal rod piece 1 by using a bolt. As for the transverse rod member 1 and the longitudinal rod member 1, a plurality of short rods can be spliced one by one, and the two adjacent short rods can be connected by a straight joint member 2.
The utility model discloses a member quick connect joint structure and use its frame of assembling, set up the recess on the connecting portion of piecing, set up the locking handle at the member tip, the socket of member tip is inserted to the connecting portion that utilizes the piecing, and rotate with the cam portion on the locking handle and compress tightly connecting portion, utilize cam portion and recess lock joint simultaneously, realize the high-speed joint of member, the installation need not use tools with the dismantlement process, make dismouting nimble convenient between the member, simple and fast, and firm in connection is reliable, difficult pine takes off, can splice fast and form frame construction, be particularly useful for the quick assembly of frames such as all kinds of show framves.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
The present invention and its embodiments have been described above schematically, and the description is not intended to be limiting, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without creatively designing the similar structural modes and embodiments to the technical solutions, they should belong to the protection scope of the present invention.
Claims (8)
1. The utility model provides a member quick connect joint design, includes to connect piece (2) and locking handle (3), connect piece (2) have first connecting portion (2-1) and second connecting portion (2-2) that can be connected with two members (1) respectively, its characterized in that: the first connecting part (2-1) and/or the second connecting part (2-2) are fixedly connected with the corresponding rod piece (1) through a locking handle (3), one end of the locking handle (3) is rotatably arranged in a handle hole (1-1) arranged on the side wall of the corresponding rod piece (1), the handle hole (1-1) is communicated with a socket (1-3) at the end part of the rod piece (1), the first connecting part (2-1) and/or the second connecting part (2-2) are/is provided with a groove (2-3), the locking handle (3) is provided with a cam part (3-2) which is rotationally buckled with a groove (2-3) on the first connecting part (2-1) or the second connecting part (2-2) inserted into the socket (1-3) of the corresponding rod piece (1).
2. The quick connect coupling structure for rods of claim 1, wherein: the locking handle (3) is also provided with a spanner part (3-1) connected with the cam part (3-2), and the cam part (3-2) is eccentrically and rotatably arranged in a handle hole (1-1) of the rod piece (1) through a pin shaft (4).
3. The quick connect coupling structure for rods of claim 2, wherein: the novel locking handle is characterized in that pin shaft holes (1-2) are formed in two sides of a handle hole (1-1) of the rod piece (1), pin through holes (3-3) are formed in a cam portion (3-2) of the locking handle (3), and a pin shaft (4) penetrates through the pin shaft holes (1-2) and the pin through holes (3-3) in sequence to rotatably install the locking handle (3) on the rod piece (1).
4. The quick connect coupling structure for rods of claim 1, wherein: the joint piece (2) is a straight joint or an L-shaped joint.
5. The quick connect coupling structure for rods of claim 4, wherein: the rod piece (1) is a section bar.
6. The quick connect coupling structure for rods according to any one of claims 1 to 5, wherein: the bottom of the groove (2-3) is also provided with a convex rib (2-4) for positioning the cam part (3-2).
7. The quick connect coupling structure for rods of claim 6, wherein: the joint piece (2) is integrally formed by plastic materials.
8. The utility model provides an assemble frame, is assembled by member (1) and forms which characterized in that: the rod pieces (1) are connected by the rod piece quick-connecting joint structure of any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022739805.1U CN213711521U (en) | 2020-11-24 | 2020-11-24 | Rod piece quick-connection joint structure and assembled frame applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022739805.1U CN213711521U (en) | 2020-11-24 | 2020-11-24 | Rod piece quick-connection joint structure and assembled frame applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213711521U true CN213711521U (en) | 2021-07-16 |
Family
ID=76784261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022739805.1U Active CN213711521U (en) | 2020-11-24 | 2020-11-24 | Rod piece quick-connection joint structure and assembled frame applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213711521U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606228A (en) * | 2021-07-21 | 2021-11-05 | 王小龙 | Aluminium alloy coupling assembling |
| CN114182812A (en) * | 2021-12-16 | 2022-03-15 | 张二重 | Assembled building steel structure |
| CN114775025A (en) * | 2022-05-19 | 2022-07-22 | 新阳硅密（上海）半导体技术有限公司 | Wafer clamp and electroplating device |
-
2020
- 2020-11-24 CN CN202022739805.1U patent/CN213711521U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606228A (en) * | 2021-07-21 | 2021-11-05 | 王小龙 | Aluminium alloy coupling assembling |
| CN113606228B (en) * | 2021-07-21 | 2023-12-22 | 东莞市宙斯金属新材料有限公司 | Aluminum profile connecting assembly |
| CN114182812A (en) * | 2021-12-16 | 2022-03-15 | 张二重 | Assembled building steel structure |
| CN114775025A (en) * | 2022-05-19 | 2022-07-22 | 新阳硅密（上海）半导体技术有限公司 | Wafer clamp and electroplating device |
| CN114775025B (en) * | 2022-05-19 | 2023-09-08 | 新阳硅密（上海）半导体技术有限公司 | Wafer clamp and electroplating device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213711521U (en) | Rod piece quick-connection joint structure and assembled frame applying same | |
| CN103195171B (en) | Concealed section beam-column connection structure | |
| CN101498399B (en) | Section bar connection device and section bar apparatus with the same | |
| CN111173815A (en) | Furniture and telescopic invisible connecting structure thereof | |
| CN210917944U (en) | Assembled wallboard | |
| CN206861240U (en) | A kind of splicing construction of aluminium section bar | |
| CN211778365U (en) | Furniture and telescopic invisible connecting structure thereof | |
| CN110397163B (en) | Portable steel structure connecting piece | |
| CN211778364U (en) | Furniture and invisible connecting structure thereof | |
| KR200394536Y1 (en) | Air Filter Frame | |
| CN202082206U (en) | Supporting openable lock | |
| CN212615755U (en) | Section bar connecting structure | |
| CN211174924U (en) | Invisible connecting piece | |
| CN221237022U (en) | T-shaped fixing piece convenient to disassemble and assemble | |
| CN221030634U (en) | Steel structure connecting piece | |
| CN209762696U (en) | frame shear type combined section bar | |
| CN210509842U (en) | Rod piece connector, plane frame and furniture | |
| KR200404846Y1 (en) | Corner combination system of window frame aggregate | |
| CN218541697U (en) | Intermediate connecting piece, section bar connecting structure and shower room | |
| CN212717543U (en) | Tee joint connecting piece and aluminum profile cloth decoration cuboid system | |
| CN219081397U (en) | Corner connector and door and window panel frame using same | |
| CN211550177U (en) | Furniture and invisible connecting structure thereof | |
| CN214170313U (en) | Door and window assembly structure of locking pine | |
| CN217008558U (en) | Plane lock | |
| CN219387697U (en) | Connecting piece structure for bathroom door and door frame using same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |