CN211735911U - Connecting plate and heat-insulation external wall - Google Patents
Connecting plate and heat-insulation external wall Download PDFInfo
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- CN211735911U CN211735911U CN202020123313.7U CN202020123313U CN211735911U CN 211735911 U CN211735911 U CN 211735911U CN 202020123313 U CN202020123313 U CN 202020123313U CN 211735911 U CN211735911 U CN 211735911U
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- 238000009413 insulation Methods 0.000 title description 7
- 238000004321 preservation Methods 0.000 claims abstract description 17
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 description 12
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The embodiment of the utility model provides a connecting plate and heat preservation outer wall belongs to heat preservation outer wall technical field. The embodiment of the utility model provides a technical problem who solves is: the problem of the stress that is close to second edge one end on the connecting plate is not enough, wherein, the technical scheme who solves this technical problem is as follows: the connecting plate is provided with a first edge and a second edge which are opposite, one end of the connecting plate close to the first edge is provided with at least one row of first through holes, and one end of the connecting plate close to the second edge is provided with at least one row of second through holes; wherein the connecting plate between the first through hole and the first edge is provided with a plurality of first stress holes, the connecting plate between the second through hole and the second edge is provided with a plurality of second stress holes, and the shape of the plurality of second stress holes is one or a combination of a plurality of the following: letter shape, number shape, and letter shape.
Description
Technical Field
The embodiment of the utility model provides a relate to heat preservation wall technical field, especially relate to a connecting plate and heat preservation outer wall.
Background
Generally, the heat-insulating outer wall has an outer leaf wall board, a heat-insulating wall board and an inner leaf wall board, and the outer leaf wall board, the heat-insulating wall board and the inner leaf wall board are sequentially connected together through a connecting plate, wherein the connecting plate has a first edge and a second edge, one end close to the first edge is connected with the outer leaf wall board, and one end close to the second edge is connected with the inner leaf wall board.
However, the stress near the second edge is insufficient on the existing connecting plate, so that the connecting effect of the connecting plate and the inner leaf wallboard is poor.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides a connecting plate and heat preservation outer wall, the main technical problem who solves is: the stress on the connecting plate close to one end of the second edge is promoted, and then the connecting effect of the connecting plate and the inner leaf wallboard is promoted.
In order to achieve the above object, an embodiment of the present invention provides a connecting plate, which has a first edge and a second edge opposite to each other, wherein at least one row of first through holes is disposed at one end of the connecting plate close to the first edge, and at least one row of second through holes is disposed at one end of the connecting plate close to the second edge; wherein the connecting plate between the first through hole and the first edge is provided with a plurality of first stress holes, the connecting plate between the second through hole and the second edge is provided with a plurality of second stress holes, and the shape of the plurality of second stress holes is one or a combination of a plurality of the following: letter shape, number shape, and letter shape.
In an embodiment of the present invention, a plurality of the second stress holes are arranged in a row and at equal intervals on the connecting plate.
In an embodiment of the invention, the number of the second stress holes is an even number.
In an embodiment of the present invention, the number of the second stress holes is 4, and the shapes are completely different.
In an embodiment of the present invention, the shape of 4 second stress holes is: the shape of the letter C, the shape of the letter a, the shape of the letter B, the shape of the letter R.
In an embodiment of the present invention, the positions of an even number of the second stress holes are symmetrical with respect to a center line of the third edge and the fourth edge of the connection plate; wherein the third edge and the fourth edge are opposite to each other, and a line connecting the third edge and the fourth edge is perpendicular to a line connecting the first edge and the second edge.
In an embodiment of the present invention, a plurality of the first stress holes are arranged in a row and at equal intervals on the connecting plate.
In an embodiment of the present invention, the first stress holes are rectangular, and two adjacent first stress holes form a figure eight.
Based on the same inventive concept, the embodiment of the utility model provides a heat preservation outer wall, this heat preservation outer wall includes: the connecting plate in the above.
The utility model discloses an embodiment, outer leaf wallboard, heat preservation wallboard and interior leaf wallboard that stack gradually the setting, first reinforcing bar wear to locate first wear to establish the hole and with outer leaf wallboard connects, the second reinforcing bar wear to locate the second wear to establish the hole and with interior leaf wallboard connects.
The embodiment of the utility model provides a connecting plate and heat preservation outer wall, this connecting plate has relative first edge and second edge, the one end that is close to on the connecting plate the first edge is seted up at least one row of first through-going hole, the one end that is close to the second edge is seted up at least one row of second through-going hole; wherein the connecting plate between the first through hole and the first edge is provided with a plurality of first stress holes, the connecting plate between the second through hole and the second edge is provided with a plurality of second stress holes, and the shape of the plurality of second stress holes is one or a combination of a plurality of the following: letter shape, number shape, and letter shape. The utility model discloses second stress hole is letter shape, number shape and/or characters shape to increased the size in second stress hole, promoted the stress effect.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
FIG. 1 is a schematic view of a prior art connection plate;
FIG. 2 is a schematic view of a connection plate according to an embodiment of the present invention;
FIG. 3 is a schematic view of a connection plate according to an embodiment of the present invention;
fig. 4 is a schematic view of a connection plate according to an embodiment of the present invention;
fig. 5 is a schematic view of an insulation exterior wall (partially cut away) according to an embodiment of the present invention.
Description of reference numerals:
10 ' -connecting plate, 110 ' -first edge, 120 ' -first through hole, 130 ' -second edge, 140 ' -second through hole, 150 ' -first stress hole, 160 ' -second stress hole;
10-connecting plate, 110-first edge, 120-first through hole, 130-second edge, 140-second through hole, 150-first stress hole, 160-second stress hole, 170-third edge, 180-fourth edge; 20-outer leaf wallboard, 30-heat-insulation wallboard, 40-inner leaf wallboard, 50-first steel bar, 60-second steel bar and 100-heat-insulation outer wall.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
In the case of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In the prior art, referring to fig. 1, a connecting plate 10 'has a first edge 110' and a second edge 130 'opposite to each other, two rows of first through holes 120' are opened at one end of the connecting plate 10 'close to the first edge 110', and two rows of second through holes 140 'are opened at one end close to the second edge 130'; the connecting plate 10 'between the first through hole 120' and the first edge 110 'is provided with a row of first stress holes 150', the connecting plate 10 'between the second through hole 140' and the second edge 130 'is provided with a row of second stress holes 160', and the first stress holes 150 'and the second stress holes 160' are elliptical holes. When the outer leaf wallboard, the heat preservation wallboard and the inner leaf wallboard are connected through the connecting plate 10 'to form the heat preservation outer wall, the connecting plate 10' sequentially penetrates through the outer leaf wallboard, the heat preservation wallboard and the inner leaf wallboard, one end of the first stress hole 150 'of the connecting plate 10' is fixedly connected with the outer leaf wallboard, and one end of the second stress hole 160 'of the connecting plate 10' is fixedly connected with the inner leaf wallboard.
However, the second stress holes 160 'are arranged in a row and are all elliptical holes, and the size of the elliptical holes is limited by the distance between the second through holes 140' and the second edge 130 ', so that when the distance between the second through holes 140' and the second edge 130 'is not adjusted, the stress on the end of the connecting plate 10' close to the second edge 130 'is insufficient, and the connecting effect of the connecting plate 10' and the inner leaf wall plate is poor.
The embodiment of the present invention provides a connecting plate 10, as shown in fig. 2-4, the connecting plate 10 has a first edge 110 and a second edge 130 opposite to each other, at least one row of first through holes 120 is disposed at one end of the connecting plate 10 close to the first edge 110, and at least one row of second through holes 140 is disposed at one end close to the second edge 130; wherein, the connecting plate 10 between the first through hole 120 and the first edge 110 has a plurality of first stress holes 150, the connecting plate 10 between the second through hole 140 and the second edge 130 has a plurality of second stress holes 160, and the shape of the plurality of second stress holes 160 is one or a combination of a plurality of the following: letter shape, number shape, and letter shape.
Specifically, the connecting plate 10 can be made of steel materials, so that the connecting plate 10 has good strength and is not easy to break, and the heat-insulating outer wall formed by connecting the connecting plates 10 is firmer; the connecting plate 10 in the above is in the shape of at least two sets of opposite edges, which are respectively: first edge 110 and second edge 130 opposite each other, and third edge 170 and fourth edge 180 opposite each other, such as: the rectangular, regular octagonal shape shown in fig. 2.
At least one row of first through holes 120 is disposed at one end of the connecting plate 10 close to the first edge 110, that is, the number of the first through holes 120 is plural, and the first through holes 120 may be arranged in one row, may also be arranged in two rows, and may also be arranged in more than two rows, when the number of the rows is two or more than two rows, the two adjacent rows may be staggered with each other as shown in fig. 2 to 4, wherein the row is parallel to the first edge 110, or is consistent with the extending direction of the first edge 110; at least one row of second through holes 140 is formed at one end of the connecting plate 10 close to the second edge 130, that is, the number of the second through holes 140 is plural, and the second through holes may be arranged in one row, may also be arranged in two rows, and may also be arranged in more than two rows, when the number of the second through holes 140 is two or more than two rows, the two adjacent rows may be staggered with each other as shown in fig. 2 to 4, wherein the row is parallel to the second edge 130, or is consistent with the extending direction of the second edge 130; the radial shape of the first through hole 120 and the second through hole 140 is the same as the radial shape of the reinforcing steel bar, for example: the radial shape of reinforcing bar is circular, and then, the shape of first wear-to-establish hole 120 and die wear-to-establish hole 140 is the circular port to make the reinforcing bar can wear to establish first wear-to-establish hole 120, second wear-to-establish hole 140.
The connecting plate 10 between the first through hole 120 and the first edge 110 is provided with a plurality of first stress holes 150, the plurality of first stress holes 150 may be arranged in a row, may also be arranged in two rows, and may also be arranged in more than two rows, where a row is parallel to the first edge 110, or is consistent with the extending direction of the first edge 110; the connecting plate 10 between the second through hole 140 and the second edge 130 is provided with a plurality of second stress holes 160, the plurality of second stress holes 160 may be arranged in a row, may also be arranged in two rows, and may also be arranged in more than two rows, where a row is parallel to the second edge 130, or is consistent with the extending direction of the second edge 130; the shape of the second stress holes 160 is one or more of the following: the shapes of the letters, the numbers, and the letters, that is, the shapes of the plurality of second stress holes 160 may be all the shapes of letters, numbers, letters, a combination of a partial letter shape and a partial number shape, a combination of a partial letter shape and a partial letter shape, or a combination of a partial number shape and a partial letter shape. It is understood that the letters herein are: A. b, C, D, E, F, G, H, I, G, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z, respectively; the numbers are: 1. 2, 3, 4, 5, 6, 7, 8, 9, 0; the characters are characters recorded in Xinhua dictionary or self-created characters.
In a specific embodiment, referring to fig. 2 to 4, the connecting plate 10 has a first edge 110 and a second edge 130 opposite to each other, two rows of first through holes 120 staggered with each other are opened at one end of the connecting plate 10 close to the first edge 110, and two rows of second through holes 140 staggered with each other are opened at one end close to the second edge 130; wherein, 4 first stress holes 150 have been seted up to connecting plate 10 between first perforation 120 and the first edge 110, 4 second stress holes 160 have been seted up to connecting plate 10 between second perforation 140 and the second edge 130, and the shape of 4 second stress holes 160 is the shape of alphabetical, is respectively: the shape of the letter C, the shape of the letter a, the shape of the letter B, and the shape of the letter R.
In this embodiment, the shape of the second stress holes formed in the connecting plate between the second through hole and the second edge is one or a combination of more than one of the following shapes: the connecting plate is in a letter shape, a number shape and a character shape, so that when the distance between the second through hole and the second edge is not changed (namely the distance between the second through hole and the second edge is the same as the distance between the second through hole and the second edge in the prior art), the size of the second stress hole is increased, the stress on the connecting plate close to one end of the second edge is improved, and the connecting effect of the connecting plate and the inner leaf wallboard is better; and secondly, the size of the second through hole is increased, the use of manufacturing materials of the connecting plate is reduced, the manufacturing cost is reduced, and the connecting plate is lighter and easier to carry.
The first stress hole and the second stress hole are further described below.
First, the first stress hole is explained.
In an alternative embodiment, as shown in fig. 2-4, a plurality of first stress holes 150 are provided in a row and equally spaced on the web 10.
Specifically, the first stress holes 150 are arranged in a row and are equally spaced on the connecting plate 10, that is, the first stress holes 150 are arranged in a row, and the distance between any two adjacent first stress holes 150 is a constant, for example: referring to fig. 3, the number of the first stress holes 150 is 6, 6 first stress holes 150 are arranged in a row, and the distance between the first stress hole 150 and the second first stress hole 150, the distance between the second first stress hole 150 and the third first stress hole 150, the distance between the third first stress hole 150 and the fourth first stress hole 150, the distance between the fourth first stress hole 150 and the fifth first stress hole 150, and the distance between the fifth first stress hole 150 and the sixth first stress hole 150 are all the same. It should be noted that the first stress holes 150 are formed in the connecting plate 10 in a row and at equal intervals, wherein the row means that a connecting line of the first stress holes 150 is consistent with an extending direction of the first edge 110.
In this embodiment, a plurality of first stress holes are one row and equidistant seting up on the connecting plate, and not only the visual effect of the first stress hole one end of connecting plate is good, and the preparation is convenient moreover, and the stress evenly distributed of the first stress hole one end of connecting plate simultaneously for the first stress hole one end of connecting plate is better with the linkage effect after the outer leaf wallboard is connected.
Further, the shape of the first stress hole 150 is a rectangle, a letter shape, a number shape, or a letter shape.
Specifically, the first stress holes 150 are rectangular, letter-shaped, number-shaped, or letter-shaped, and the shape of the row of first stress holes 150 may be all rectangular, all letter-shaped, all number-shaped, all letter-shaped, or a combination of partial rectangular and partial number-shaped, or a combination of partial rectangular and partial letter-shaped, or a combination of partial letter-shaped and partial number-shaped, or a combination of partial letter-shaped and partial letter-shaped, or a combination of partial number-shaped and partial letter-shaped, or a combination of partial rectangular, partial letter-shaped, and partial number-shaped, and the like, and the embodiment of the present invention is not limited in particular.
In the present embodiment, when the distance between the first through hole 120 and the first edge 110 is not changed (the distance between the first through hole 120 and the first edge 110 is the same as the distance between the first through hole 120 'and the first edge 110' in the prior art), the size of the first stress hole is increased, so that the stress on the connecting plate near one end of the first edge is increased, and the connecting effect of the connecting plate and the outer leaf wall plate is better.
For example, referring to fig. 2 to 4, the first stress holes 150 are rectangular, and two adjacent first stress holes 150 form a splayed shape, so that the stress at one end of the first edge on the connecting plate is increased, and the connecting effect of the connecting plate and the outer leaf wall plate is better.
Next, the second stress hole is explained.
In an alternative embodiment, referring to fig. 2-4, a plurality of second stress holes 160 are formed in the connecting plate 10 in a row and at equal intervals, so that after the connecting plate 10 is connected with the inner leaf wall board, the stress at one end of the second stress hole 160 of the connecting plate 10 is uniformly distributed, and the connecting effect between the connecting plate 10 and the inner leaf wall board is better.
In an alternative embodiment, as shown in fig. 2 and 4, the number of the second stress holes 160 is even, and then the stress distribution at one end of the second stress hole 160 of the connecting plate 10 is more uniform, so that the connecting plate 10 and the inner leaf wall plate are connected better.
In an alternative embodiment, referring to fig. 4, the number of the second stress holes 160 is 4, and the shapes of the second stress holes 160 are completely different, that is, any two second stress holes 160 are different in shape, such as: referring to fig. 4, the number of the second stress holes 160 is 4, and the shape of the 4 second stress holes 160 is as follows: the shape of the letter C, the shape of the letter a, the shape of the letter B, and the shape of the letter R, so that the stress distribution at one end of the second stress hole 160 of the connecting plate 10 is more uniform, and the connecting effect of the connecting plate 10 and the inner leaf wall plate is further good.
In an alternative embodiment, the location of an even number of second stress apertures 160 is symmetrical about the midline of the third edge 170 and the fourth edge 180 of the web 10; wherein the third edge 170 and the fourth edge 180 are opposite to each other, and a connecting line of the third edge 170 and the fourth edge 180 is perpendicular to a connecting line of the first edge 110 and the second edge 130, such as: referring to fig. 4, the connecting plate 10 is rectangular, and has a first edge 110, a third edge 170, a second edge 130, and a fourth edge 180 connected end to end in sequence, the number of the second stress holes 160 is 4, and two second stress holes 160 are located on one side of the perpendicular bisector of the connection line between the third edge 170 and the fourth edge 180, which are respectively: a second stress hole 160 in the shape of letter C and a second stress hole 160 in the shape of letter a, two second stress holes 160 being on the other side of the perpendicular bisector, respectively: the second stress hole 160 with the shape of letter B and the second stress hole 160 with the shape of letter R, so that the stress distribution at one end of the second stress hole 160 of the connecting plate 10 is more uniform, and the connecting effect of the connecting plate 10 and the inner leaf wallboard is further good.
Based on the same inventive concept, the embodiment of the present invention provides an insulating exterior wall 100, as shown in fig. 5, the insulating exterior wall 100 includes: the connecting plate 10 makes the heat-insulating outer wall 10 formed by connecting the connecting plates 10 firmer.
In an optional embodiment of the present invention, the thermal insulation exterior wall 100 may further include: outer leaf wallboard 20, heat preservation wallboard 30 and interior leaf wallboard 40 of range upon range of setting gradually, first reinforcing bar 50 wears to locate first wear to establish hole 120 and is connected with outer leaf wallboard 20, and second reinforcing bar 60 wears to locate second wear to establish hole 140 and is connected with interior leaf wallboard 40 to, make the heat preservation outer wall 10 of connecting the formation through connecting plate 10 more firm, the heat preservation effect is better.
It should be noted that, the connecting plate in the thermal insulation outer wall provided by the embodiment of the present invention is similar to the description of the connecting plate embodiment described above, and has similar beneficial effects to the connecting plate embodiment described above. For the technical details not disclosed in the embodiment of the heat preservation outer wall of the present invention, please refer to the description of the embodiment of the middle connection plate of the present invention for understanding, and the description thereof is omitted.
In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
In addition, in the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "etc. 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 therefore, should not be construed as limiting the present invention.
In addition, in the present invention, unless otherwise explicitly specified or limited, the terms "connected", and the like are to be construed broadly, and may be, for example, a mechanical connection or an electrical connection; the term "connected" refers to a direct connection or an indirect connection through an intermediate medium, and refers to a connection between two elements or an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the terms in the present invention is understood by those skilled in the art according to specific situations.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A connecting plate is characterized in that a connecting plate is provided,
the connecting plate is provided with a first edge and a second edge which are opposite, at least one row of first through holes are formed in one end, close to the first edge, of the connecting plate, and at least one row of second through holes are formed in one end, close to the second edge, of the connecting plate;
wherein the connecting plate between the first through hole and the first edge is provided with a plurality of first stress holes, the connecting plate between the second through hole and the second edge is provided with a plurality of second stress holes, and the shape of the plurality of second stress holes is one or a combination of a plurality of the following: letter shape, number shape, and letter shape.
2. The web according to claim 1,
and the second stress holes are arranged in a row and are arranged on the connecting plate at equal intervals.
3. The web according to claim 2,
the number of the second stress holes is even.
4. The connection plate of claim 3,
the number of the second stress holes is 4, and the shapes of the second stress holes are completely different.
5. The connection plate of claim 4,
the shapes of the 4 second stress holes are as follows in sequence: the shape of the letter C, the shape of the letter a, the shape of the letter B, the shape of the letter R.
6. The connection plate of claim 3,
the positions of the even number of second stress holes are symmetrical about the middle line of the third edge and the fourth edge of the connecting plate;
wherein the third edge and the fourth edge are opposite to each other, and a line connecting the third edge and the fourth edge is perpendicular to a line connecting the first edge and the second edge.
7. The web according to any one of claims 1 to 6,
the first stress holes are arranged in a row and are arranged on the connecting plate at equal intervals.
8. The web according to claim 7,
the first stress holes are rectangular, and two adjacent first stress holes form a splayed shape.
9. An insulating exterior wall, comprising:
the web of any one of claims 1-8.
10. The insulated exterior wall of claim 9, further comprising:
outer leaf wallboard, heat preservation wallboard and interior leaf wallboard that range upon range of setting gradually, first reinforcing bar wear to locate first wear to establish the hole and with outer leaf wallboard connects, the second reinforcing bar wear to locate the second wear to establish the hole and with interior leaf wallboard connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020123313.7U CN211735911U (en) | 2020-01-19 | 2020-01-19 | Connecting plate and heat-insulation external wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020123313.7U CN211735911U (en) | 2020-01-19 | 2020-01-19 | Connecting plate and heat-insulation external wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211735911U true CN211735911U (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020123313.7U Active CN211735911U (en) | 2020-01-19 | 2020-01-19 | Connecting plate and heat-insulation external wall |
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| Country | Link |
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| CN (1) | CN211735911U (en) |
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2020
- 2020-01-19 CN CN202020123313.7U patent/CN211735911U/en active Active
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Address after: 100013, No. 30 East Third Ring Road, Chaoyang District, Beijing Patentee after: China Construction Research Technology Co.,Ltd. Address before: 100013, No. 30 East Third Ring Road, Chaoyang District, Beijing Patentee before: CABR TECHNOLOGY Co.,Ltd. |