CN111442022B - Combined connecting piece for square tube - Google Patents
Combined connecting piece for square tube Download PDFInfo
- Publication number
- CN111442022B CN111442022B CN202010304119.3A CN202010304119A CN111442022B CN 111442022 B CN111442022 B CN 111442022B CN 202010304119 A CN202010304119 A CN 202010304119A CN 111442022 B CN111442022 B CN 111442022B
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- Prior art keywords
- plate
- piece
- stud
- connecting plate
- horizontal
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- 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.)
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- 230000008878 coupling Effects 0.000 claims 6
- 238000010168 coupling process Methods 0.000 claims 6
- 238000005859 coupling reaction Methods 0.000 claims 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/18—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
- F16B7/185—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements with a node element
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/04—Clamping or clipping connections
- F16B7/044—Clamping or clipping connections for rods or tubes being in angled relationship
- F16B7/048—Clamping or clipping connections for rods or tubes being in angled relationship for rods or for tubes without using the innerside thereof
- F16B7/0486—Clamping or clipping connections for rods or tubes being in angled relationship for rods or for tubes without using the innerside thereof forming an abutting connection of at least one tube
Abstract
The invention discloses a combined connecting piece for a square tube, which comprises a connecting piece, wherein the connecting piece comprises an L-shaped connecting plate, folded edges are formed on the side edges of two ends of the connecting plate, inclined guide grooves are formed on the folded edges, and rectangular slots are formed between the folded edges of the two ends of the connecting plate and two side plate bodies at the corners of the connecting plate; the U-shaped vertical pressing and holding piece and the U-shaped horizontal pressing and holding piece are respectively arranged on the flanges at the two ends of the connecting plate, supporting plates are welded and fixed on the two side walls of the vertical pressing and holding piece and the horizontal pressing and holding piece, obliquely arranged guide strips are formed on the supporting plates, and the guide strips are inserted into the guide grooves of the flanges; the vertical pressing part and the horizontal pressing part are respectively fixed with a first support plate and a second support plate which are L-shaped, a first waist-shaped hole is formed in the middle of the horizontal plate of the first support plate, and a vertical first stud is inserted into the first waist-shaped hole.
Description
Technical Field
The invention relates to the technical field of hardware products, in particular to a combined connecting piece for a square tube.
Background
At present, the construction industry often needs to use a connecting piece of the pipe fitting, and the connecting piece is also a fastening piece; if in current square pipe connection process, need to be in the same place square pipe of three pipe diameters equals through connecting together fixedly, when fixed, needs two root system pipes to support and leans on when third root system pipe, then all sets up the splint of L type in the inside and outside of combination back side pipe, is utilizing bolt assembly to fix it together, but the connecting piece of this type of mechanism need be in square pipe grafting bolt, then requires to punch the other side pipe, and is comparatively troublesome, adopts above-mentioned connecting piece combination concatenation square pipe comparatively troublesome.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a combined connecting piece for square pipes, which can splice and combine the square pipes and realize the fixed connection of the square pipes.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a combined connecting piece for a square tube comprises a connecting piece, wherein the connecting piece comprises an L-shaped connecting plate, folded edges are formed on the side edges of the two ends of the connecting plate, obliquely arranged guide grooves are formed in the folded edges, and rectangular slots are formed between the folded edges of the two ends of the connecting plate and two side plate bodies at the corners of the connecting plate; the U-shaped vertical pressing and holding piece and the U-shaped horizontal pressing and holding piece are respectively arranged on the flanges at the two ends of the connecting plate, supporting plates are welded and fixed on the two side walls of the vertical pressing and holding piece and the horizontal pressing and holding piece, obliquely arranged guide strips are formed on the supporting plates, and the guide strips are inserted into the guide grooves of the flanges; the vertical pressing and supporting part is fixedly provided with an L-shaped first support plate, the horizontal pressing and supporting part is fixedly provided with an L-shaped second support plate, a first waist-shaped hole is formed in the middle of the horizontal plate of the first support plate, a vertical first stud is inserted into the first waist-shaped hole, the lower end of the first stud is fixed on the horizontal plate of the second support plate, and a first nut is screwed on the first stud on the upper side of the first support plate; and a second waist-shaped hole is formed in the vertical plate of the second support plate on two sides of the first stud, a horizontal second stud is inserted in the second waist-shaped hole, one end of the second stud is fixed on the vertical plate of the first support plate, and a second nut is screwed on the second stud on the outer side of the second support plate.
Preferably, the width of the connecting plate is equal to the width of the vertical pressing piece and the width of the horizontal pressing piece, and the distance between the inner walls on the two sides of the vertical pressing piece is equal to the distance between the inner walls on the two sides of the horizontal pressing piece; the distance between the inner walls of the two sides of the horizontal pressing piece is equal to the distance between the folded edges on the connecting plate.
Preferably, the inner bottom surface of the vertical holding part and the inner bottom surface of the horizontal holding part are both formed with pressing teeth.
Preferably, the distance from the outer end of the guide groove on the connecting plate to the connecting plate is smaller than the distance from the inner end of the guide groove to the connecting plate.
Preferably, the diameter of the first stud is equal to the diameter of the second stud.
Preferably, gaps are reserved among the folded edge on the connecting piece, the vertical pressing piece and the horizontal pressing piece.
Preferably, the width of the guide strip on the support plate is equal to the width of the guide groove on the connecting plate, and the length of the guide strip is smaller than the length of the guide groove.
The invention has the beneficial effects that: the square tubes do not need to be processed, and the splicing fixation among the square tubes can be realized by using the connecting piece.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a schematic perspective view of the present invention illustrating the connection of the square tubes;
FIG. 4 is a schematic view of a half-section structure of the present invention when connecting the square pipe.
In the figure: 10. a connecting member; 11. a connecting plate; 111. folding edges; 112. a slot; 113. a guide groove; 12. a vertical holding member; 13. a horizontal holding member; 14. a support plate; 141. conducting bars; 15. a first brace plate; 151. a first kidney-shaped hole; 16. a second bracket plate; 161. a second kidney-shaped hole; 17. a first stud; 18. a first nut; 19. a second stud; 110. a second nut.
Detailed Description
Example (b): as shown in fig. 1 to 4, the combined connecting member for the square pipe comprises a connecting member 10, wherein the connecting member 10 comprises an L-shaped connecting plate 11, folded edges 111 are formed on the side edges of the two ends of the connecting plate 11, inclined guide grooves 113 are formed on the folded edges 111, and rectangular slots 112 are formed between the folded edges 111 of the two ends of the connecting plate 11 and the two side plate bodies at the corner of the connecting plate 11; the flanges 111 at two ends of the connecting plate 11 are respectively provided with a vertical pressing and holding piece 12 and a horizontal pressing and holding piece 13 with U-shaped cross sections, two side walls of the vertical pressing and holding piece 12 and the horizontal pressing and holding piece 13 are respectively welded and fixed with a support plate 14, the support plate 14 is formed with an inclined guide strip 141, and the guide strip 141 is inserted into the guide groove 113 of the flange 111; a first L-shaped support plate 15 is fixed on the vertical pressing part 12, a second L-shaped support plate 16 is fixed on the horizontal pressing part 13, a first waist-shaped hole 151 is formed in the middle of the horizontal plate of the first support plate 15, a vertical first stud 17 is inserted into the first waist-shaped hole 151, the lower end of the first stud 17 is fixed on the horizontal plate of the second support plate 16, and a first nut 18 is screwed on the first stud 17 on the upper side of the first support plate 15; second kidney-shaped holes 161 are formed in the vertical plates of the second support plates 16 on the two sides of the first stud 17, a horizontal second stud 19 is inserted into the second kidney-shaped holes 161, one end of the second stud 19 is fixed on the vertical plate of the first support plate 15, and a second nut 110 is screwed on the second stud 19 on the outer side of the second support plate 16.
The width of the connecting plate 11 is equal to the width of the vertical pressing piece 12 and the horizontal pressing piece 13, and the distance between the inner walls of the two sides of the vertical pressing piece 12 is equal to the distance between the inner walls of the two sides of the horizontal pressing piece 13; the distance between the inner walls of the horizontal holding member 13 on both sides is equal to the distance between the bent edges 111 of the connecting plate 11.
The inner bottom surface of the vertical holding part 12 and the inner bottom surface of the horizontal holding part 13 are both formed with press teeth a.
The distance from the outer end of the guide groove 113 on the connecting plate 11 to the connecting plate 11 is less than the distance from the inner end of the guide groove 113 to the connecting plate 11.
The diameter of the first stud 17 is equal to the diameter of the second stud 19.
Gaps are reserved between the folded edge 111 on the connecting piece 10 and the vertical pressing piece 12 and the horizontal pressing piece 13.
The width of the guide strip 141 on the support plate 14 is equal to the width of the guide groove 113 on the connecting plate 11, and the length of the guide strip 141 is smaller than the length of the guide groove 113.
The working principle is as follows: the invention relates to a combined connecting piece for square pipes, which is combined with the combined connecting piece shown in fig. 3 and 4, a first square pipe 30 can be inserted into a slot 112 of a connecting plate 11, then a second square pipe 20 and a third square pipe 40 are respectively inserted between folded edges 111 at two ends of the connecting plate 11, and the second square pipe 20 and the third square pipe 40 are respectively abutted against the first square pipe 30; finally, the second nut 110 and the first nut 18 are respectively fastened to realize the fixed connection among the first square pipe 30, the second square pipe 20 and the third square pipe 40;
because when the second nut 110 and the first nut 18 are tightened, the vertical pressing piece 12 and the horizontal pressing piece 13 are driven to move and press the third square pipe 40 and the second square pipe 20; the third square pipe 40 and the second square pipe 20 are clamped on the connecting plate 11, and the vertical pressing piece 12 and the horizontal pressing piece 13 are provided with pressing teeth a which can prevent the third square pipe 40 and the second square pipe 20 from being separated and can drive the third square pipe 40 and the second square pipe 20 to be pressed on the first square pipe 30.
The examples are intended to illustrate the invention, but not to limit it. The described embodiments may be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the appended claims should be accorded the full scope of the invention as set forth in the appended claims.
Claims (7)
1. The utility model provides a combination formula connecting piece that square pipe was used, includes connecting piece (10), connecting piece (10) including connecting plate (11) that are the L type, its characterized in that: hems (111) are formed on the side edges of the two ends of the connecting plate (11), inclined guide grooves (113) are formed on the hems (111), and rectangular slots (112) are formed between the hems (111) of the two ends of the connecting plate (11) and the plate bodies on the two sides of the corner of the connecting plate (11); the U-shaped vertical pressing and holding piece (12) and the horizontal pressing and holding piece (13) are respectively arranged on the flanges (111) at the two ends of the connecting plate (11), support plates (14) are fixedly welded on the two side walls of the vertical pressing and holding piece (12) and the horizontal pressing and holding piece (13), oblique guide strips (141) are formed on the support plates (14), and the guide strips (141) are inserted into guide grooves (113) of the flanges (111); a first L-shaped support plate (15) is fixed on the vertical pressing part (12), a second L-shaped support plate (16) is fixed on the horizontal pressing part (13), a first waist-shaped hole (151) is formed in the middle of the horizontal plate of the first support plate (15), a vertical first stud (17) is inserted into the first waist-shaped hole (151), the lower end of the first stud (17) is fixed on the horizontal plate of the second support plate (16), and a first nut (18) is screwed on the first stud (17) on the upper side of the first support plate (15); second kidney-shaped holes (161) are formed in vertical plates of second support plates (16) on two sides of the first stud (17), a horizontal second stud (19) is inserted in the second kidney-shaped holes (161), one end of the second stud (19) is fixed to the vertical plate of the first support plate (15), and a second nut (110) is screwed on the second stud (19) on the outer side of the second support plate (16).
2. The coupling type connecting member for a square pipe according to claim 1, wherein: the width of the connecting plate (11) is equal to the width of the vertical pressing piece (12) and the horizontal pressing piece (13), and the distance between the inner walls of the two sides of the vertical pressing piece (12) is equal to the distance between the inner walls of the two sides of the horizontal pressing piece (13); the distance between the inner walls of the two sides of the horizontal pressing piece (13) is equal to the distance between the upper folding edges (111) of the connecting plate (11).
3. The coupling type connecting member for a square pipe according to claim 1, wherein: and the inner bottom surfaces of the vertical pressing and holding piece (12) and the horizontal pressing and holding piece (13) are both provided with pressing teeth (a).
4. The coupling type connecting member for a square pipe according to claim 1, wherein: the distance from the outer end of the guide groove (113) on the connecting plate (11) to the connecting plate (11) is smaller than the distance from the inner end of the guide groove (113) to the connecting plate (11).
5. The coupling type connecting member for a square pipe according to claim 1, wherein: the diameter of the first stud (17) is equal to the diameter of the second stud (19).
6. The coupling type connecting member for a square pipe according to claim 1, wherein: gaps are reserved among the folded edge (111) on the connecting piece (10), the vertical pressing piece (12) and the horizontal pressing piece (13).
7. The coupling type connecting member for a square pipe according to claim 1, wherein: the width of the guide strip (141) on the support plate (14) is equal to the width of the guide groove (113) on the connecting plate (11), and the length of the guide strip (141) is smaller than the length of the guide groove (113).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010304119.3A CN111442022B (en) | 2020-04-17 | 2020-04-17 | Combined connecting piece for square tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010304119.3A CN111442022B (en) | 2020-04-17 | 2020-04-17 | Combined connecting piece for square tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111442022A CN111442022A (en) | 2020-07-24 |
| CN111442022B true CN111442022B (en) | 2021-07-02 |
Family
ID=71650196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010304119.3A Active CN111442022B (en) | 2020-04-17 | 2020-04-17 | Combined connecting piece for square tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111442022B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112355612A (en) * | 2020-10-21 | 2021-02-12 | 熊勇 | Combined connecting device of square pipe |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5556218A (en) * | 1995-04-14 | 1996-09-17 | Homer; John L. | Tubing connector |
| CN200943428Y (en) * | 2006-08-14 | 2007-09-05 | 胡晓鹰 | Metal rail door and window angle joint |
| CN201152437Y (en) * | 2007-02-14 | 2008-11-19 | 天津市润实科技发展有限公司 | Fit type clamping element for connecting plastic pipe and metal pipe joint |
| CN202273951U (en) * | 2011-10-24 | 2012-06-13 | 湖南省金为型材有限公司 | Three-way union used for connecting pipes |
| CN205956138U (en) * | 2016-08-09 | 2017-02-15 | 刘传中 | Rapid connector of square pipe |
| CN110905894A (en) * | 2019-12-31 | 2020-03-24 | 茂名市宏福百尺农业科技发展有限公司 | Four-way connecting piece |
-
2020
- 2020-04-17 CN CN202010304119.3A patent/CN111442022B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5556218A (en) * | 1995-04-14 | 1996-09-17 | Homer; John L. | Tubing connector |
| CN200943428Y (en) * | 2006-08-14 | 2007-09-05 | 胡晓鹰 | Metal rail door and window angle joint |
| CN201152437Y (en) * | 2007-02-14 | 2008-11-19 | 天津市润实科技发展有限公司 | Fit type clamping element for connecting plastic pipe and metal pipe joint |
| CN202273951U (en) * | 2011-10-24 | 2012-06-13 | 湖南省金为型材有限公司 | Three-way union used for connecting pipes |
| CN205956138U (en) * | 2016-08-09 | 2017-02-15 | 刘传中 | Rapid connector of square pipe |
| CN110905894A (en) * | 2019-12-31 | 2020-03-24 | 茂名市宏福百尺农业科技发展有限公司 | Four-way connecting piece |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111442022A (en) | 2020-07-24 |
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Effective date of registration: 20210617 Address after: 318050 room 602, Peng Sheng Jia Yuan, Tongyu street, Luqiao District, Taizhou, Zhejiang, China, 16 Applicant after: Taizhou plain Zhen Peng Information technologies Co.,Ltd. Address before: 325100 Building 9, Keji new village, Madao village, Jiangbei street, Yongjia County, Wenzhou City, Zhejiang Province Applicant before: WENZHOU YIZHENG TECHNOLOGY Co.,Ltd. |
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