CN211474604U - Connecting structure of square tube - Google Patents
Connecting structure of square tube Download PDFInfo
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- CN211474604U CN211474604U CN201922117537.7U CN201922117537U CN211474604U CN 211474604 U CN211474604 U CN 211474604U CN 201922117537 U CN201922117537 U CN 201922117537U CN 211474604 U CN211474604 U CN 211474604U
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Abstract
The utility model discloses a connection structure of this kind of side pipe, including square pipe one, connecting piece, square pipe two, the one end of connecting piece inserts square pipe one in rather than welded fastening and be connected, the connecting piece other end insert square pipe two in rather than bolt fixed connection, the connecting piece is three "U" types that 90 folded plates formed. The connecting structure of the square tube has the advantages of simple structure, ingenious design, tight connection and simple connection and assembly, and the connecting piece is a U-shaped plate with an integrated structure, so that the connecting structure is simple to manufacture and convenient to weld and fix; the connecting structure of the square pipe is high in connecting precision, standardizable and efficient, the whole length size after connection has certain adjusting allowance, one end of the middle connecting piece is fixed, and the other end of the middle connecting piece can be flexibly detached and replaced.
Description
Technical Field
The utility model relates to a this kind of mechanical technical field, in particular to connection structure of square pipe.
Background
At present, flower stands on the market are wooden and made of metal materials, and the wooden flower stands are simple, natural, low in price, easy to process and short in service life; the flower stand made of metal materials is light and easy to manufacture and has long service life. Square pipe can be used to the pergola of metal material in the manufacturing process, because the length specification of the square pipe of production is certain, when the required specification length of pergola can not be satisfied to the square pipe length specification of production, at this moment just need couple together two relatively short square pipes and form the square pipe of longer size, traditional way is exactly two relatively short square pipes of artifical direct grafting, because the pipe diameter size of square pipe is the same, at two relatively short square pipe grafting in-process, cause the grafting difficulty, and damage square pipe easily, reduce the intensity of square pipe, the outward appearance is irregular, influence pleasing to the eye degree, in case the length just unable regulation of solid length. The manual grafting, the size that connecting piece one end inserted in the square tube all depends on the sensation to control by the manual work, and the precision is not high, can't standardize.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of current research, the utility model provides a connection structure of this kind of side pipe, simple structure, design benefit connects the fastening, connects the assembly simply, and the welded fastening of being convenient for connects of high quality, and is efficient, and the whole length size after connecting has certain regulation surplus. In order to achieve the above-mentioned functions, the above technical problems of the present invention can be solved mainly by the following technical solutions:
the utility model provides a connection structure of square pipe, including square pipe one, connecting piece, square pipe two, the one end of connecting piece inserts square pipe one in rather than welded fastening and be connected, and the connecting piece other end inserts square pipe two in rather than bolt fixed connection, and the connecting piece is three "U" templates that perpendicular plate formed in proper order.
Furthermore, the three sequentially vertical plates of the connecting piece are respectively a connecting plate and two supporting plates, two ends of the connecting plate are respectively fixedly connected with the supporting plates, the upper part of the connecting plate is an upper connecting plate, the lower part of the connecting plate is a lower connecting plate, a first connecting hole is formed in the upper connecting plate, and a positioning part is arranged on the lower connecting plate.
Furthermore, the first square tube comprises a first connecting plate and a first side plate, the first connecting plate and the first side plate are perpendicular to each other and fixedly connected to form a square tube, and a first positioning portion is arranged on the first connecting plate.
Furthermore, the square tube II comprises two connecting plates II and two side plates II, the connecting plates II and the side plates II are mutually perpendicular and fixedly connected to form the square tube, and one connecting plate II in the two connecting plates II is provided with a connecting hole II.
Furthermore, the outer diameter of the connecting piece is the same as the inner diameter of the first square tube and the second square tube.
Furthermore, a lower connecting plate of the connecting piece is fixedly connected with one connecting plate I of the square tube I in a welding mode, the lower portion of the outer wall of the supporting plate of the lower connecting plate is in matched contact with the inner walls of the two side plates I of the square tube I, and the positioning portion is matched with the positioning portion I.
Furthermore, the positioning part and the first positioning part are circular grooves, and the number of the circular grooves is 1-2.
Furthermore, the upper connecting plate of the connecting piece is fixedly connected with the second connecting plate of the second square tube through bolts, and the upper part of the outer wall of the supporting plate of the connecting piece is in matched contact with the inner walls of the two side plates of the second square tube.
Furthermore, the first connecting hole is a waist-shaped hole, and the second connecting hole is a waist-shaped hole.
Furthermore, one connecting plate and two supporting plates of the connecting piece are of an integrated structure, and the connecting piece is simple to manufacture.
During assembly, the connecting piece is inserted into the first square tube, so that the outer wall of the supporting plate of the connecting piece is in matched contact with the inner wall of the first side plate of the first square tube, the outer wall of the lower connecting plate of the connecting piece is in matched contact with the inner wall of the first connecting plate of the first square tube, and the lower connecting plate is positioned by the positioning part and the first positioning part; because the connecting piece is a U-shaped plate, the connecting piece is not a totally-enclosed structure, and an opening space for welding and fixing is reserved between the supporting plates of the connecting piece, so that the connecting piece can be conveniently welded and fixed after being inserted into the square tube, and the welding quality and efficiency are improved.
After the connecting piece is welded and fixed with the first square pipe, the connecting piece is inserted into the second square pipe, the outer wall of the supporting plate of the connecting piece is in matched contact with the inner wall of the second side plate of the second square pipe, the outer wall of the upper connecting plate of the connecting piece is in matched contact with the inner wall of the second connecting plate of the second square pipe, and the connecting hole II and the connecting hole I are inserted through bolts to be connected and fixed, so that the first square pipe and the second square pipe are fixedly connected together.
The beneficial effects of the utility model.
1. The utility model discloses a connection structure of this kind of side pipe, wherein "U" template of connecting piece structure as an organic whole, simple manufacture, the connecting piece is not totally closed structure, reserves the opening space that the welded fastening used between the backup pad of connecting piece, and the welded fastening after the connecting piece of being convenient for inserts side pipe improves welding quality and efficiency.
2. The utility model discloses a connection structure of this kind of side pipe, wherein the one end of connecting piece and the first adoption welded fastening of side pipe, the connecting piece other end and two adoption bolt fixed connections of side pipe, the one end of connecting piece adopts welded fastening to connect, and the other end adopts detachable bolted connection, is convenient for change the two side pipes of different length.
3. The utility model discloses a connection structure of this kind of side pipe, wherein the connecting hole of connecting piece upper junction plate adopts waist type hole, and the connecting hole two of connecting plate two of side pipe adopts waist type hole, and the connecting piece of being convenient for is connected the length and size of whole side pipe after in a flexible way with square pipe two when being connected to adjust.
4. The utility model discloses be provided with location portion under the well connecting piece on the connecting plate, square pipe a connecting plate is last to be provided with location portion one, location portion and the cooperation of location portion one, location portion and location portion one are circular recess, and the connecting piece lower junction plate of being convenient for inserts the accurate positioning of square pipe a connecting plate one.
5. The connecting structure of the square tube has the advantages of simple structure, ingenious design, tight connection and simple connection and assembly, the connecting piece is an integrally formed U-shaped plate, the manufacture is simple, and the welding and the fixation are convenient; the connecting structure of the square pipe is high in connecting precision, standardizable and efficient, the whole length size after connection has certain adjusting allowance, one end of the middle connecting piece is fixed, and the other end of the middle connecting piece can be flexibly detached and replaced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an exploded schematic view of a connection structure of the square tube of the present invention;
fig. 2 is a schematic structural view of a connecting piece and a first square tube in the connecting structure of the square tube of the present invention;
fig. 3 is a schematic structural diagram of the connection structure of the square tube of the present invention.
In the figure: 1. a first square tube; 11. a first connecting plate; 12. a first side plate; 13. a first positioning part; 2. a connecting member; 21. an upper connecting plate; 22. a support plate; 23. a lower connecting plate; 24. a first connecting hole; 25. a positioning part; 3. a second square tube; 31. a second connecting plate; 32. a second side plate; 33. and a second connecting hole.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.
As shown in fig. 1-3, the connection structure of the square tube in this embodiment includes a first square tube 1, a connecting member 2, and a second square tube 3, wherein one end of the connecting member 2 is inserted into the first square tube 1 to be welded and fixed thereto, the other end of the connecting member 2 is inserted into the second square tube 3 to be fixed thereto by a bolt, and the connecting member 2 is a U-shaped plate formed by three sequentially vertical plates.
The connecting piece 2 is characterized in that three sequentially vertical plates are respectively a connecting plate and two supporting plates 22, two ends of the connecting plate are respectively fixedly connected with the supporting plates 22, the upper portion of the connecting plate is an upper connecting plate 21, the lower portion of the connecting plate is a lower connecting plate 23, a first connecting hole 24 is formed in the upper connecting plate 21, and a positioning portion 25 is arranged on the lower connecting plate 23.
The first square tube 1 comprises two first connecting plates 11 and two first side plates 12, the first connecting plates 11 and the first side plates 12 are perpendicular to each other and fixedly connected to form a square tube, and first positioning portions 13 are arranged on the first connecting plates 11.
The second square tube 3 comprises two connecting plates 31 and two side plates 32, the two connecting plates 31 and the two side plates 32 are perpendicular to each other and fixedly connected to form a square tube, and one connecting plate 31 of the two connecting plates 31 is provided with a second connecting hole 33.
The outer diameter of the connecting piece 2 is the same as the inner diameter of the first square tube 1 and the second square tube 3.
The lower connecting plate 23 of the connecting piece 2 is fixedly connected with one connecting plate I11 of the square tube I1 in a welding mode, the lower portion of the outer wall of the supporting plate 22 of the lower connecting plate 23 is in matched contact with the inner walls of the two side plates I12 of the square tube I1, and the positioning portion 25 is matched with the positioning portion I13.
The positioning parts 25 and the first positioning parts 13 are circular grooves, and the number of the circular grooves is 1-2.
The upper connecting plate 21 of the connecting piece 2 is fixedly connected with one connecting plate II 31 of the square tube II 3 through a bolt, and the upper part of the outer wall of the supporting plate 22 of the connecting piece 2 is in matched contact with the inner walls of the two side plates II 32 of the square tube II 3.
The first connecting hole 24 is a waist-shaped hole, and the second connecting hole 33 is a waist-shaped hole.
One connecting plate and two supporting plates 22 of the connecting piece 2 are of an integral structure and are simple to manufacture.
The utility model discloses a theory of operation and process:
as shown in fig. 1-3, the connecting piece 2 is inserted into the square tube 1, so that the outer wall of the supporting plate 22 of the connecting piece 2 is in matching contact with the inner wall of the side plate 12 of the square tube 1, the outer wall of the lower connecting plate 23 of the connecting piece 2 is in matching contact with the inner wall of the connecting plate 11 of the square tube 1, and the connecting piece 2 is positioned by the positioning part 25 and the positioning part 13.
After the connecting piece 2 and the first square tube 1 are welded and fixed, the connecting piece 2 is inserted into the second square tube 3, the outer wall of the supporting plate 22 of the connecting piece 2 is in matched contact with the inner wall of the second side plate 32 of the second square tube 3, the outer wall of the upper connecting plate 21 of the connecting piece 2 is in matched contact with the inner wall of the second connecting plate 31 of the second square tube 3, the connecting piece 2 is inserted into the second connecting hole 33 through a bolt, and the first connecting hole 24 is connected and fixed, so that the first square tube 1 and the second square tube 3.
According to the connecting structure of the square pipe, one end of the connecting piece 2 and the first square pipe 1 are fixedly welded, the other end of the connecting piece 2 and the second square pipe 3 are fixedly connected through bolts, one end of the connecting piece 2 is fixedly welded and connected, the other end of the connecting piece is connected through detachable bolts, and the second square pipe 3 with different lengths can be conveniently replaced.
The first connecting hole 24 of the connecting plate 21 on the connecting piece 2 is a waist-shaped hole, and the second connecting hole 33 of the connecting plate 31 of the square tube 3 is a waist-shaped hole, so that the length size of the whole square tube after the connecting piece 2 and the square tube 3 are connected can be flexibly adjusted when being connected.
The lower connecting plate 23 of the connecting piece 2 is provided with a positioning part 25, the first connecting plate 11 of the first square tube 1 is provided with a first positioning part 13, the positioning part 25 is matched with the first positioning part 13, and the positioning part 25 and the first positioning part 13 are circular grooves, so that the lower connecting plate 23 of the connecting piece 2 can be conveniently inserted into the first connecting plate 11 of the first square tube 1 for accurate positioning.
The connecting structure of the square tube has the advantages of simple structure, ingenious design, firm connection and simple connection and assembly, and the connecting piece 2 is a U-shaped plate with an integrated structure, is simple to manufacture and is convenient to weld and fix; the connecting structure of the square pipe is high in connecting precision, standardizable and efficient, the whole length size after connection has certain adjusting allowance, one end of the middle connecting piece 2 is fixed, and the other end of the connecting piece can be flexibly detached and replaced.
While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.
Claims (10)
1. The utility model provides a connection structure of square pipe, includes square pipe one (1), connecting piece (2), square pipe two (3), its characterized in that: one end of the connecting piece (2) is inserted into the first square tube (1) and is fixedly connected with the first square tube, the other end of the connecting piece (2) is inserted into the second square tube (3) and is fixedly connected with the second square tube through a bolt, and the connecting piece (2) is a U-shaped plate formed by three sequentially vertical plates.
2. The connecting structure of a square pipe according to claim 1, wherein: three perpendicular boards in proper order of connecting piece (2) are a connecting plate, two backup pads (22) respectively, the connecting plate both ends respectively with backup pad (22) fixed connection, connecting plate upper portion is upper junction plate (21), the connecting plate lower part is lower junction plate (23), it has connecting hole (24) to open on upper junction plate (21), be provided with location portion (25) on lower junction plate (23).
3. The connecting structure of a square pipe according to claim 2, wherein: the first square tube (1) comprises two first connecting plates (11) and two first side plates (12), the first connecting plates (11) and the first side plates (12) are perpendicular to each other and fixedly connected to form a square tube, and first positioning portions (13) are arranged on the first connecting plates (11).
4. The connecting structure of a square pipe according to claim 3, wherein: the square tube II (3) comprises two connecting plates II (31) and two side plates II (32), the connecting plates II (31) and the side plates II (32) are mutually perpendicular and fixedly connected to form a square tube, and one connecting plate II (31) in the two connecting plates II (31) is provided with a connecting hole II (33).
5. The connecting structure of a square pipe according to claim 4, wherein: the outer diameter of the connecting piece (2) is the same as the inner diameter of the square tube I (1) and the square tube II (3).
6. The connecting structure of a square pipe according to claim 5, wherein: the lower connecting plate (23) of connecting piece (2) and one of them connecting plate (11) welded fastening who manages one (1) side are connected, backup pad (22) outer wall lower part and two blocks of curb plate one (12) inner walls of managing one (1) side of lower connecting plate (23) cooperate the contact, and location portion (25) cooperate with location portion one (13).
7. The connecting structure of a square pipe according to claim 5, wherein: the positioning parts (25) and the first positioning parts (13) are circular grooves, and the number of the circular grooves is 1-2.
8. The connecting structure of a square pipe according to claim 5, wherein: the upper connecting plate (21) of the connecting piece (2) is fixedly connected with one of the connecting plates II (31) of the square tube II (3) through bolts, and the upper part of the outer wall of the supporting plate (22) of the connecting piece (2) is in matched contact with the inner walls of the two side plates II (32) of the square tube II (3).
9. The connecting structure of a square pipe according to claim 4, wherein: the first connecting hole (24) is a waist-shaped hole, and the second connecting hole (33) is a waist-shaped hole.
10. The connecting structure of a square pipe according to claim 2, wherein: one connecting plate and two supporting plates (22) of the connecting piece (2) are of an integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922117537.7U CN211474604U (en) | 2019-11-29 | 2019-11-29 | Connecting structure of square tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922117537.7U CN211474604U (en) | 2019-11-29 | 2019-11-29 | Connecting structure of square tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211474604U true CN211474604U (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922117537.7U Active CN211474604U (en) | 2019-11-29 | 2019-11-29 | Connecting structure of square tube |
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| CN (1) | CN211474604U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963530A (en) * | 2020-08-19 | 2020-11-20 | 风范绿色建筑（常熟）有限公司 | Square pipe easy to connect |
-
2019
- 2019-11-29 CN CN201922117537.7U patent/CN211474604U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963530A (en) * | 2020-08-19 | 2020-11-20 | 风范绿色建筑（常熟）有限公司 | Square pipe easy to connect |
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