CN114908885A - Section bar edge-closing connecting structure - Google Patents
Section bar edge-closing connecting structure Download PDFInfo
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- CN114908885A CN114908885A CN202210567207.1A CN202210567207A CN114908885A CN 114908885 A CN114908885 A CN 114908885A CN 202210567207 A CN202210567207 A CN 202210567207A CN 114908885 A CN114908885 A CN 114908885A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
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Abstract
本申请涉及建筑构件技术领域，公开了一种型材收边连接结构，适于设置在相邻的模块型材之间，以连接相邻的所述模块型材，包括：钳口组件，包括与所述模块型材相连接的连接部和与所述连接部相连接的钳口，其中，所述钳口的开口背向所述连接部，在所述钳口的其中一个壁上构造有卡合部；伸缩调节件，所述伸缩调节件的端部适于伸入到所述钳口内并与所述卡合部相适配；以及抵压部件，设置在所述钳口的内壁且朝所述钳口的外壁方向延伸，适于抵压在所述伸缩调节件的上端面。该型材收边连接结构具有模块型材在模块化安装的过程中，能够最大限度的消除现场施工误差带来的一系列的问题的优点。
The present application relates to the technical field of building components, and discloses a profile edge closing connection structure, which is suitable for being arranged between adjacent module profiles to connect the adjacent module profiles, including: a jaw assembly, including a jaw assembly with the a connection part connected to the module profiles and a jaw connected with the connection part, wherein the opening of the jaw faces away from the connection part, and a snap part is configured on one of the walls of the jaw; a telescopic adjusting piece, the end of the telescopic adjusting piece is adapted to extend into the jaws and fit with the engaging parts; and a pressing member, arranged on the inner wall of the jaws and facing the jaws The outer wall of the mouth extends in the direction and is suitable for pressing against the upper end surface of the telescopic adjusting member. The profile edge-receiving connection structure has the advantage of eliminating a series of problems caused by on-site construction errors to the greatest extent during the modular installation of the modular profiles.
Description
Technical Field
The application relates to the technical field of building elements, concretely relates to section bar receives limit connection structure.
Background
With the rapid development of building enclosure systems and the rise of assembly type buildings, the standardized design, factory production and assembly construction of buildings become mainstream.
The batched and modularized products can meet higher requirements on the precision control of construction site installation while improving the production efficiency and the production quality. And the error of the building exists in an irremovable way. The difference between the theoretical size and the actual size can be reflected in the situation that the modularized product is installed in a certain link and the final effect cannot be realized. For example, mounted at a corner, the module plates in both directions cannot be closed because of dimensional errors; or in the case where the remaining installation space is too large or too small when installing the last blocks. The errors cause that the modular products which arrive at the site cannot be used, if the modular products are fed again according to the actual size, returned to a factory for processing and then delivered to the site, the construction period is difficult to guarantee, and if the products at the part are directly trimmed on the site, the quality cannot be controlled.
Content of application
Therefore, the technical problem that this application will be solved lies in overcoming in the prior art modular production, and the defect of a series of problems that on-the-spot construction error brought can't furthest's elimination to a section bar receipts limit connection structure is provided.
The application provides a section bar is received limit connection structure is suitable for the setting between adjacent module section bar to it is adjacent to connect module section bar includes: the jaw assembly comprises a connecting part connected with the module section bar and a jaw connected with the connecting part, wherein the opening of the jaw faces away from the connecting part, and a clamping part is constructed on one wall of the jaw; the end part of the telescopic adjusting piece is suitable for extending into the jaw and is matched with the clamping part; and the pressing component is arranged on the inner wall of the jaw, extends towards the outer wall of the jaw and is suitable for pressing against the upper end face of the telescopic adjusting piece.
Optionally, the connecting portion includes a horizontal portion overlapping and fixedly connected to the module section bar and a vertical portion vertically connected to the horizontal portion.
Optionally, the jaw comprises an outer wall connected with the bottom end of the vertical portion and extending towards the outside, and an inner wall arranged above the outer wall and connected with the vertical portion, the outer wall and the inner wall are arranged in parallel, and the extending direction of the outer wall and the inner wall is opposite to the extending direction of the horizontal portion.
Optionally, the engaging portion is configured on a surface of the inner wall facing the outer wall.
Optionally, the engaging portion is configured as a snap groove and/or a snap tooth, wherein the number of the snap grooves and/or the calipers is plural.
Optionally, after the end of the telescopic adjusting member is inserted into the jaw, the distance between the lower end surface of the abutting part and the inner surface of the outer wall is equal to the wall thickness of the telescopic adjusting member.
Optionally, the telescopic adjusting piece comprises a telescopic adjusting piece body and vertical clamping pieces arranged at two ends of the telescopic adjusting piece body, wherein the vertical clamping pieces are suitable for being matched with the clamping grooves or the calipers.
Optionally, the outer wall has a greater extension than the inner wall.
Optionally, the telescopic adjuster body is configured to be horizontal or vertical.
Optionally, when the telescopic adjusting part body is configured to be vertical, the telescopic adjusting part body comprises a horizontal part and a vertical part connected with the horizontal part, wherein the vertical clamping parts are respectively arranged at the end part of the horizontal part and the end part of the vertical part, and the vertical clamping parts extend into the jaws of the jaw assemblies on the corresponding sides and are matched with the clamping parts.
One or more technical solutions in the embodiments of the present application have at least one of the following technical effects:
the utility model is characterized in that a jaw component, a telescopic adjusting piece and a pressing component are additionally arranged, two jaw components are arranged between adjacent module profiles, the jaw components are respectively connected with the module profiles on the corresponding sides, and one telescopic adjusting piece is arranged between the two jaw components, when the module profiles are installed at a corner or residual modules, the module profiles in two directions can not be installed in a closed manner due to size errors, at the moment, the end parts of the telescopic adjusting piece respectively extend into the jaws of the jaw components on the corresponding sides, and the telescopic adjusting piece is matched with the clamping part in the jaw on the corresponding side according to the gap required to be adjusted, so that the adjustment of the allowance between the adjacent module profiles is realized, in addition, in order to ensure the positioning firmness of the telescopic adjusting piece in the jaw, the pressing component is enabled to press the upper end surface of the telescopic adjusting piece, thereby avoiding the situation that the telescopic adjusting piece moves in the jaw of the jaw assembly. It can be seen that the section bar edge-closing connecting structure can eliminate the condition that the module section bar cannot be smoothly installed due to field construction errors to the maximum extent while the module section bar is produced in a modularization mode.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a first schematic structural diagram of an overall structure of a profile trimming connection structure according to an embodiment of the present application;
fig. 2 is a schematic view of an overall structure of a profile trimming connection structure according to an embodiment of the present application;
fig. 3 is a schematic view of the overall structure of the profile trimming connection structure according to the embodiment of the present application;
fig. 4 is an overall structural schematic view of a jaw assembly of a profile edging connection according to an embodiment of the present application;
FIG. 5 is a schematic view of the overall construction of the telescoping adjustment member of FIG. 1;
FIG. 6 is a schematic view of the overall construction of the telescoping adjustment member of FIG. 2;
fig. 7 is a schematic view showing the overall structure of the telescopic adjusting member of fig. 2.
Description of reference numerals:
100: a modular profile; 1: a jaw assembly; 11: a connecting portion; 111: a horizontal portion; 112: a vertical portion; 12: a jaw; 120: an opening; 121: a fastening part; 122: an outer wall; 123: an inner wall; 2: a telescopic adjustment member; 21: a telescopic adjusting member body; 211: a horizontal member; 212: a vertical member; 22: a vertical engaging member; 3: and a pressing component.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all 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 application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.
In addition, the technical features mentioned in the different embodiments of the present application described below may be combined with each other as long as they do not conflict with each other.
With the rapid development of building enclosure systems and the rise of assembly type buildings, the standardized design, factory production and assembly construction of the buildings become mainstream.
The batched and modularized products can meet higher requirements on the precision control of construction site installation while improving the production efficiency and the production quality. And the error of the building exists in an irremovable way. The difference between the theoretical size and the actual size can be reflected in the situation that the modularized product is installed in a certain link and the final effect cannot be realized. For example, mounted at a corner, the module plates in both directions cannot be closed because of dimensional errors; or in the case where the remaining installation space is too large or too small when installing the last blocks. The errors cause that the modular products which arrive at the site cannot be used, if the modular products are fed again according to the actual size, returned to a factory for processing and then delivered to the site, the construction period is difficult to guarantee, and if the products at the part are directly trimmed on the site, the quality cannot be controlled.
Based on the above situation, the present application provides a profile trimming connection structure, which is suitable for being disposed between adjacent module profiles 100 to connect the adjacent module profiles 100.
As shown in fig. 1 to 7, the profile trimming connecting structure is schematically shown to include a jaw assembly 1, a telescopic adjuster 2 and a pressing part 3.
In the exemplary embodiment of the present application, the jaw assembly 1 comprises a connecting portion 11 connected to the modular profile 100 and a jaw 12 connected to the connecting portion 11, wherein an opening 120 of the jaw 12 faces away from the connecting portion 11, and a latching portion 121 is formed on one of the walls of the jaw 12.
The end of the telescopic adjusting member 2 is adapted to extend into the jaw 12 and fit into the engaging portion 121.
The pressing component 3 is disposed on the inner wall of the jaw 12 and extends toward the outer wall of the jaw 12, and is adapted to press against the upper end surface of the telescopic adjusting component 2. Specifically, in the present application, by additionally providing the jaw assembly 1, the telescopic adjusting member 2 and the pressing member 3, two jaw assemblies 1 are disposed between adjacent module profiles 100, the jaw assemblies 1 are respectively connected to the module profiles 100 on the corresponding sides, and one telescopic adjusting member 2 is disposed between the two jaw assemblies 1, when the module profiles 100 are mounted at a corner or mounted on the rest of the module profiles, due to a size error, the module profiles 100 in two directions cannot be mounted in a closed manner, at this time, the end portions of the telescopic adjusting member 2 respectively extend into the jaws 12 of the jaw assemblies 1 on the corresponding sides, and the gap to be adjusted is adjusted, so that the telescopic adjusting member 2 is adapted to the engaging portion 121 in the jaws 12 on the corresponding sides, thereby adjusting the allowance between the adjacent module profiles 100, and in addition, in order to ensure the firmness of the positioning of the telescopic adjusting member 2 in the jaws 12, the pressing part 3 presses the upper end face of the telescopic adjusting part 2, so that the telescopic adjusting part 2 is prevented from moving in the jaw 12 of the jaw assembly 1. It can be seen that the section edge-closing connecting structure can eliminate the situation that the module section 100 cannot be smoothly installed due to site construction errors to the maximum extent while performing modular production, does not need to be repaired or manufactured again, greatly improves the installation efficiency of the module section 100, can be used for making up installation size deviation caused in the installation process of an assembly type modular enclosure system, ensures the appearance and integrity, and reduces the quality problem caused by cutting modular products on site or material waste and construction period waste caused by re-producing the products at last.
The utility model provides a section bar is received limit connection structure is mainly the pincers type telescopic principle, and its appearance form can demonstrate different outward appearances and shape and change along with the architectural design demand.
In an alternative embodiment of the present application, the module profile 100 may be a metal sandwich panel, an aluminum panel, or stone, etc.
In an alternative embodiment of the present application, the entirety of the pressing member 3 may be configured as a pressing rod or a pressing column, etc.
As shown in fig. 1, 2, 3, 5, 6 and 7, in an alternative embodiment of the present application, the connecting portion 11 includes a horizontal portion 111 overlapping the module section bar 100 and fixedly connected to the module section bar 100, and a vertical portion 112 vertically connected to the horizontal portion 111. Specifically, the horizontal portion 111 overlaps the inner end surface (facing the indoor direction) of the module section bar 100 on the corresponding side, and in order to achieve the fixed connection between the horizontal portion 111 and the module section bar 100, the horizontal portion 111 can be fastened to the inner end surface of the module section bar 100 on the corresponding side by using screws or rivets.
It should be noted that the inner end surface of the module section bar 100 may be arranged horizontally or vertically.
It should be noted that the horizontal portion 111 and the vertical portion 112 are vertically disposed, and the horizontal portion 111 and the vertical portion 112 are integrally formed.
As shown in fig. 1 to 4, in an alternative embodiment of the present application, the jaw 12 includes an outer wall 122 connected to the bottom end of the vertical portion 112 and extending outward, and an inner wall 123 disposed above the outer wall 122 and connected to the vertical portion 112, the outer wall 122 and the inner wall 123 being disposed in parallel, wherein the outer wall 122 and the inner wall 123 extend in a direction opposite to the extending direction of the horizontal portion 111. It should be noted that the outer wall 122 and the inner wall 123 are arranged in parallel and are connected to the upright 112, so as to form the above-mentioned jaw 12, and the jaw 12 is suitable for inserting the end of the telescopic adjuster 2.
It should be noted that the outer wall 122 faces outward, the inner wall 123 faces toward indoor direction, and after the connection between the module section bar 100 and the connecting portion 11 in the jaw assembly 1 is completed, the outer wall 122 of the jaw 12 and the outward facing surface of the module section bar 100 are substantially in the same plane, so that the overall aesthetic appearance after the connection can be ensured.
In an alternative embodiment of the present application, as shown in fig. 4, the engaging portion 121 is formed on the surface of the inner wall 123 facing the outer wall 122. Specifically, the engaging portion 121 is disposed on the surface of the inner wall 123 facing the outer wall 122, so as to ensure that the outer wall 122 of the jaw 12 and the surface of the module section 100 facing the outside are substantially in the same plane, thereby avoiding the occurrence of a recess, which may result in an aesthetic problem.
In an alternative embodiment of the present application, as shown in fig. 4, the engaging portion 121 is configured as a catch and/or a tooth, wherein the number of catch and/or caliper is plural. Specifically, the engaging portion 121 is adapted to be fitted to the end of the telescopic adjusting member 2, and the engaging portion 121 may be configured as a plurality of engaging grooves or a plurality of engaging teeth, or configured as one engaging groove connected to one engaging tooth and repeatedly configured as a plurality, or configured as one engaging groove connected to a plurality of engaging teeth and repeatedly configured as a plurality, or configured as a plurality of engaging grooves connected to one engaging tooth and repeatedly configured as a plurality.
The purpose of this is to adapt to the distance between two adjacent module profiles 100 to be connected, irrespective of the arrangement of the latch and the catch.
It should be noted that, in practical application, the end of the telescopic adjusting member 2 is made to extend into the jaw 12 and then to be adapted to the corresponding engaging portion 121 according to the size of the distance between the remaining adjacent module profiles 100 after installation or the adjacent module profiles 100 at the corner, so as to achieve the purpose of adjusting the distance between the adjacent module profiles 100, and to complete the smooth installation of the two adjacent module profiles 100.
The length of the engaging portion 121 is the size adjusting range of the telescopic adjusting member 2, and within this range, the end of the telescopic adjusting member 2 is matched with the corresponding latch and/or slot in the engaging portion 121, so that the adjacent module profiles 100 can be firmly connected, and the aesthetic property of the connection between the adjacent module profiles 100 can be ensured from the appearance.
As shown in fig. 1 to 3, in an alternative embodiment of the present application, after the end of the telescopic adjusting member 2 is inserted into the jaw 12, the distance between the lower end surface of the pressing member 3 and the inner surface of the outer wall 122 is equal to the wall thickness of the telescopic adjusting member 2. Specifically, after ensuring that the end of the telescopic adjusting member 2 extends into the jaw 12 and is fitted with the engaging portion 121, the distance between the lower end surface of the pressing member 3 and the inner surface of the outer wall 122 is equal to the wall thickness of the telescopic adjusting member 2, so as to prevent the telescopic adjusting member 2 from sliding laterally and maintain the stability of the whole telescopic adjusting member 2.
In an alternative embodiment of the present application, the outer wall 122 of the jaw 12 is the main viewing surface of the jaw 12, and also shields the adjustment error surface of the telescopic adjuster 2.
In an alternative embodiment of the present application, the gap between the two jaw assemblies 1 is the exposed portion of the curtain of the telescoping adjuster 2.
As shown in fig. 5 to 6, in an alternative embodiment of the present application, the telescopic adjuster 2 includes a telescopic adjuster body 21 and vertical engaging pieces 22 disposed at two ends of the telescopic adjuster body 21, wherein the vertical engaging pieces 22 are adapted to fit the slot or the caliper. In particular, the vertical engaging member 22 is adapted to fit with the engaging portion 121, and in practical applications, the vertical engaging member can be adapted to fit with a slot and/or a caliper in the engaging portion 121 according to a distance between adjacent module profiles 100.
As shown in fig. 1 to 4, in an alternative embodiment of the present application, the extension length of the outer wall 122 is greater than the extension length of the inner wall 123. Specifically, by making the extension length of the outer wall 122 greater than the extension length of the inner wall 123, so as to compensate for the assembly gap between the jaw assembly 1 and the telescopic adjusting member 2, the portion of the outer wall 122 that is longer than the inner wall 123 and the end of the telescopic adjusting member 2 form a two-point support, thereby ensuring the stability of the whole assembly body.
As shown in fig. 5 to 6, in an alternative embodiment of the present application, the telescopic adjuster body 21 is constructed in a horizontal type or a vertical type. Specifically, the horizontal telescopic adjuster body 21 is suitable for use when adjacent module profiles 100 are horizontally arranged, and the vertical telescopic adjuster body 21 is suitable for use when adjacent module profiles 100 are vertically arranged at corners.
As shown in fig. 2, 3, 6 and 7, in an alternative embodiment of the present application, when the telescopic adjuster body 21 is configured in a vertical type, the telescopic adjuster body 21 includes a horizontal piece 211 and a vertical piece 212 connected to the horizontal piece 211, wherein the vertical engaging piece 22 is provided at both the end of the horizontal piece 211 and the end of the vertical piece 212, and the vertical engaging piece 22 extends into the jaw 12 of the jaw assembly 1 on the corresponding side and is adapted to the engaging portion 121. Specifically, when the adjacent module profiles 100 are vertically arranged, the vertical telescopic adjusting member 2 is required to be used, the vertical engaging member 22 is disposed at both the end of the horizontal member 211 and the end of the vertical member 212, and the vertical engaging member 22 extends into the jaw 12 of the jaw assembly 1 at the corresponding side and is adapted to the engaging portion 121, so that the perfect connection between the adjacent module profiles 100 can be realized.
To sum up, in the present application, by additionally providing the jaw assembly 1, the telescopic adjusting member 2 and the pressing member 3, two jaw assemblies 1 are disposed between adjacent modular profiles 100, the jaw assemblies 1 are respectively connected to the modular profiles 100 on the corresponding sides, and one telescopic adjusting member 2 is disposed between the two jaw assemblies 1, when the modular profiles 100 are mounted at a corner or mounted on the remaining several blocks, due to a size error, the modular profiles 100 in two directions cannot be mounted in a closed manner, in this case, by respectively extending the end portions of the telescopic adjusting members 2 into the jaws 12 of the jaw assemblies 1 on the corresponding sides and adjusting the gap as required, the telescopic adjusting members 2 are adapted to the engaging portions 121 in the jaws 12 on the corresponding sides, so as to adjust the allowance between the adjacent modular profiles 100, and further, in order to ensure the firmness of the positioning of the telescopic adjusting part 2 in the jaw 12, the pressing part 3 presses the upper end face of the telescopic adjusting part 2, so that the telescopic adjusting part 2 can be prevented from moving in the jaw 12 of the jaw assembly 1. It can be seen that the section edge-closing connecting structure can eliminate the situation that the module section 100 cannot be smoothly installed due to site construction errors to the maximum extent while performing modular production, does not need to be repaired or manufactured again, greatly improves the installation efficiency of the module section 100, can be used for making up installation size deviation caused in the installation process of an assembly type modular enclosure system, ensures the appearance and integrity, and reduces the quality problem caused by cutting modular products on site or material waste and construction period waste caused by re-producing the products at last.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention are intended to be covered by the present invention.
Claims (10)
1. The utility model provides a section bar receives limit connection structure, is suitable for the setting between adjacent module section bar to it is adjacent to connect module section bar which characterized in that includes:
the jaw assembly comprises a connecting part connected with the module section bar and a jaw connected with the connecting part, wherein the opening of the jaw faces away from the connecting part, and a clamping part is constructed on one wall of the jaw;
the end part of the telescopic adjusting piece is suitable for extending into the jaw and is matched with the clamping part; and
and the pressing component is arranged on the inner wall of the jaw, extends towards the direction of the outer wall of the jaw and is suitable for pressing against the upper end surface of the telescopic adjusting piece.
2. The profile trimming connection structure according to claim 1, wherein the connection part comprises a horizontal part overlapping the module profile and fixedly connected with the module profile and a vertical part vertically connected with the horizontal part.
3. The profile trimming connection structure according to claim 2, wherein the jaw comprises an outer wall connected to the bottom end of the vertical portion and extending outward, and an inner wall disposed above the outer wall and connected to the vertical portion, the outer wall and the inner wall being disposed in parallel, wherein the outer wall and the inner wall extend in a direction opposite to the horizontal portion.
4. A profile trimming connection according to claim 3, wherein the engaging portion is formed on a surface of the inner wall facing the outer wall.
5. The profile trimming connection structure according to claim 4, wherein the engaging portion is configured as a plurality of engaging grooves and/or engaging teeth.
6. The profile trimming connection structure according to claim 1, wherein after the end of the telescopic adjusting member is inserted into the jaw, the distance between the lower end surface of the pressing member and the inner surface of the outer wall is equal to the wall thickness of the telescopic adjusting member.
7. The section bar edging connection structure according to claim 5, wherein the telescopic adjusting piece comprises a telescopic adjusting piece body and vertical clamping pieces arranged at two ends of the telescopic adjusting piece body, wherein the vertical clamping pieces are adapted to be matched with the clamping grooves or the calipers.
8. A profile trimming connection according to claim 3, wherein the outer wall has a greater extension than the inner wall.
9. A profile trimming connection according to claim 7, wherein the telescopic adjuster body is configured horizontally or vertically.
10. The profile trimming connection structure according to claim 9, wherein when the telescopic adjuster body is configured to be vertical, the telescopic adjuster body comprises a horizontal member and a vertical member connected with the horizontal member, wherein the vertical engaging member is provided at each of an end of the horizontal member and an end of the vertical member, and the vertical engaging member extends into the jaw of the jaw assembly on the corresponding side and is adapted to the engaging portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210567207.1A CN114908885A (en) | 2022-05-23 | 2022-05-23 | Section bar edge-closing connecting structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210567207.1A CN114908885A (en) | 2022-05-23 | 2022-05-23 | Section bar edge-closing connecting structure |
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| CN114908885A true CN114908885A (en) | 2022-08-16 |
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| CN202210567207.1A Pending CN114908885A (en) | 2022-05-23 | 2022-05-23 | Section bar edge-closing connecting structure |
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Country or region after: China Address after: No. 88, Building B, No. 86 Wanxing Road, Changyang, Fangshan District, Beijing, 102488 Applicant after: Multidimensional United Group Co.,Ltd. Applicant after: BEIJING DUOWEI EISPT INTERNATIONAL PROJECT TECHNOLOGY CO.,LTD. Address before: 102445 1st floor, building 1, yard 9, Haotian North Street, Fangshan District, Beijing Applicant before: DUOWEI UNION GROUP Co.,Ltd. Country or region before: China Applicant before: BEIJING DUOWEI EISPT INTERNATIONAL PROJECT TECHNOLOGY CO.,LTD. |