CN209990744U - Four-way connecting piece for connecting U-shaped pipe - Google Patents
Four-way connecting piece for connecting U-shaped pipe Download PDFInfo
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- CN209990744U CN209990744U CN201920820881.XU CN201920820881U CN209990744U CN 209990744 U CN209990744 U CN 209990744U CN 201920820881 U CN201920820881 U CN 201920820881U CN 209990744 U CN209990744 U CN 209990744U
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- shaped groove
- shaped
- groove
- connecting piece
- lug
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Abstract
The utility model discloses a quadriversal connecting piece for connecting U type pipe, include: the connector comprises a connector body, a connecting piece and a connecting piece, wherein the connector body is provided with six side surfaces which are vertical to each other; the first lug is convexly arranged on the first side surface of the connecting piece body and is provided with a first U-shaped groove and a second U-shaped groove; the second lug is convexly arranged on the second side surface of the connecting piece body and is provided with a third U-shaped groove; the third bump is convexly arranged on the third side surface of the connecting piece body and is provided with a fourth U-shaped groove; the fourth bump is convexly arranged on the fourth side surface of the connecting piece body and is provided with a sixth U-shaped groove; the first side face, the second side face and the third side face are adjacent in pairs respectively, the fourth side face is opposite to the third side face, the first U-shaped groove is located on one side, close to the second lug, of the first lug, the second U-shaped groove is located on one side, close to the third lug, of the first lug, and the third U-shaped groove is located on one side, close to the fourth lug, of the first lug. The utility model discloses a quadriversal connecting piece has good connection stability, and equipment convenient and fast.
Description
Technical Field
The utility model belongs to the technical field of laboratory paraphernalia, concretely relates to frame connection spare of experiment table further relates to a quadriversal connecting piece for connecting U type pipe.
Background
The existing experiment table frame is generally made of wood or metal, the wood column frame and the wood beam are connected through mortise and tenon joints, and the metal column frame and the metal beam are connected through rivets or welded. The wooden frame adopting the tenon-and-mortise connection is easy to be damped and decayed, is easy to be damaged by worms and is easy to loosen for a long time. The metal frame connected by the rivets or welding has complex assembly process, is not easy to disassemble and is inconvenient to maintain if damaged.
Therefore, it is urgently needed to provide a novel connecting piece to change the traditional connecting mode of adopting rivets, mortise and tenon joints or welding and the like, and the novel experiment table can be assembled.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a quadriversal connecting piece for connecting U type pipe has good connection stability, and assembles convenient and fast when quadriversal connecting piece and U type union coupling.
To achieve the purpose, the utility model adopts the following technical proposal:
there is provided a four-way joint for joining U-tubes, comprising:
a connector body having six sides that are perpendicular to each other;
the first lug is convexly arranged on the first side face of the connecting piece body and is provided with a first U-shaped groove, a second U-shaped groove and a third U-shaped groove which penetrate through the first lug along the direction vertical to the first side face;
the second lug is convexly arranged on the second side surface of the connecting piece body and is provided with a fourth U-shaped groove which penetrates through the second lug along the direction vertical to the second side surface;
the third bump is arranged on the third side face of the connecting piece body in a protruding mode and provided with a fifth U-shaped groove which penetrates through the third bump along the direction perpendicular to the third side face;
the fourth bump is arranged on the fourth side face of the connecting piece body in a protruding mode, and the fourth bump is provided with a sixth U-shaped groove which penetrates through the fourth bump along the direction perpendicular to the fourth side face;
the first side face, the second side face and the third side face are adjacent in pairs respectively, the fourth side face is opposite to the third side face, the first U-shaped groove is located on one side, close to the second lug, of the first lug, the second U-shaped groove is located on one side, close to the third lug, of the first lug, the third U-shaped groove is located on one side, close to the fourth lug, of the first lug, the first U-shaped groove is opposite to an opening of the fourth U-shaped groove, the second U-shaped groove is opposite to an opening of the fifth U-shaped groove, and the third U-shaped groove is opposite to an opening of the sixth U-shaped groove.
As a preferable scheme of the four-way connecting piece for connecting the U-shaped pipe, the first U-shaped groove extends to the groove bottom of the fourth U-shaped groove along the length direction thereof, the second U-shaped groove extends to the groove bottom of the fifth U-shaped groove along the length direction thereof, and the third U-shaped groove extends to the groove bottom of the sixth U-shaped groove along the length direction thereof.
As a preferable scheme of the four-way connecting piece for connecting U-shaped tubes, the width of the first U-shaped groove is equal to the width of the fourth U-shaped groove, the width of the second U-shaped groove is equal to the width of the fifth U-shaped groove, and the width of the third U-shaped groove is equal to the width of the sixth U-shaped groove.
As a preferable scheme of the four-way connecting piece for connecting the U-shaped pipe, the width of the first U-shaped groove is larger than that of the second U-shaped groove, and the width of the second U-shaped groove is equal to that of the third U-shaped groove.
As a preferable scheme of the four-way connector for connecting U-shaped tubes, the depth of the first U-shaped groove is equal to the depth of the fourth U-shaped groove, the depth of the fifth U-shaped groove, and the depth of the sixth U-shaped groove, and is greater than the depth of the second U-shaped groove, and the depth of the second U-shaped groove is equal to the depth of the third U-shaped groove.
As a preferable scheme of the four-way connecting piece for connecting the U-shaped pipe, the first side face is provided with a bearing platform which is annularly arranged on the periphery of the first convex block, the second side face is provided with a bearing platform which is annularly arranged on the periphery of the second convex block, the third side face is provided with a bearing platform which is annularly arranged on the periphery of the third convex block, the fourth side face is provided with a bearing platform which is annularly arranged on the periphery of the fourth convex block, and the widths of the four bearing platforms are respectively consistent with the thickness of the pipe wall of the U-shaped pipe.
As a preferable scheme of the four-way connecting piece for connecting the U-shaped pipe, a fourth side surface of the connecting piece body opposite to the second side surface thereof and a side surface of the first projection close to the fourth side surface are both arc surfaces.
As a preferable scheme of the four-way connecting piece for connecting the U-shaped pipe, both corners of the first protruding block close to the second protruding block and both corners of the connecting piece body close to the second protruding block are rounded arc angles.
As a preferable scheme of the four-way connecting piece for connecting the U-shaped pipe, the four-way connecting piece is made of ABS materials.
As a preferred scheme of the four-way connecting piece for connecting the U-shaped pipe, the four-way connecting piece is of a solid structure and is integrally formed by injection molding by adopting an ABS material.
The utility model has the advantages that: the utility model discloses a U type pipe of multiple structure can be connected to the quadriversal connecting piece, first lug can be promptly with the cooperation of pegging graft of the U type pipe that has one or three U type logical groove, the second lug, third lug and fourth lug can be respectively with the cooperation of pegging graft of the U type pipe that has a U type logical groove to assemble into the partial frame of experiment table, need not to adopt the rivet in the connection process, welding or other modes are fixed, can accomplish the equipment in the direct U type pipe mouth of pipe that corresponds with the whole embedding of each lug, the frame construction who has assembled is stable. Compared with the prior art, the utility model discloses a have good connection stability when quadriversal connecting piece and U type union coupling, and equipment convenient and fast.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a four-way connector according to an embodiment of the present invention.
Fig. 2 is an exploded schematic view of a butt joint of a four-way connector, a first U-shaped pipe, a third U-shaped pipe and two fourth U-shaped pipes according to an embodiment of the present invention.
Fig. 3 is an exploded schematic view of a butt joint of a four-way connector, a second U-shaped tube, a third U-shaped tube and two fourth U-shaped tubes according to an embodiment of the present invention.
In the figure:
1. a connector body; 2. a first bump; 21. a first U-shaped groove; 22. a second U-shaped groove; 23. a third U-shaped groove; 3. A second bump; 31. a third U-shaped groove; 4. a third bump; 41. a fourth U-shaped groove; 5. a fourth bump; 51. a fifth U-shaped groove;
100. a first U-shaped pipe; 200. a second U-shaped tube; 300. a third U-shaped pipe; 400. a third U-shaped pipe; 510. a first U-shaped through groove; 520. the second U-shaped through groove.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, in an embodiment of the present invention, a four-way connector for connecting U-shaped tubes includes:
the connecting piece comprises a connecting piece body 1, wherein the connecting piece body 1 is provided with six side surfaces which are vertical to each other;
the first lug 2 is convexly arranged on the first side surface of the connecting piece body 1, and the first lug 2 is provided with a first U-shaped groove 21, a second U-shaped groove 22 and a third U-shaped groove 23 which penetrate through the first lug 2 along the direction vertical to the first side surface;
the second bump 3 is convexly arranged on the second side surface of the connecting piece body 1, and the second bump 3 is provided with a fourth U-shaped groove 31 which penetrates through the second bump 3 along the direction vertical to the second side surface;
the third bump 4 is arranged on the third side surface of the connecting piece body 1 in a protruding mode, and the third bump 4 is provided with a fifth U-shaped groove 41 which penetrates through the third bump 4 along the direction perpendicular to the third side surface;
the fourth bump 5 is arranged on the fourth side surface of the connecting piece body 1 in a protruding mode, and the fourth bump 5 is provided with a sixth U-shaped groove 51 which penetrates through the fourth bump 5 along the direction perpendicular to the fourth side surface;
the first side face, the second side face and the third side face are adjacent to each other two by two, the fourth side face is opposite to the third side face, the first U-shaped groove 21 is located on one side, close to the second bump 3, of the first bump 2, the second U-shaped groove 22 is located on one side, close to the third bump 4, of the first bump 2, the third U-shaped groove 23 is located on one side, close to the fourth bump 5, of the first bump 2, the first U-shaped groove 21 is opposite to an opening of the fourth U-shaped groove 31, the second U-shaped groove 22 is opposite to an opening of the fifth U-shaped groove 41, and the third U-shaped groove 23 is opposite to an opening of the sixth U-shaped groove.
In this embodiment, as shown in fig. 2 and fig. 3, the first protrusion 2 may be directly inserted into the first U-shaped tube 100 having one first U-shaped through slot 510, or inserted into the second U-shaped tube 200 having one first U-shaped through slot 510 and two second U-shaped through slots 520, the second protrusion 3 may be inserted into the third U-shaped tube 300 having one first U-shaped through slot 510, and the third protrusion 4 and the fifth protrusion 5 may be respectively inserted into the fourth U-shaped tube 400 having one second U-shaped through slot 520, that is, the four-way connector of this embodiment may be connected to U-shaped tubes of various structures in four directions to assemble a partial frame of the experiment table, and the connection process does not need to be fixed by rivets, welding or other methods, and each protrusion is directly inserted into the pipe orifice of the corresponding U-shaped tube as a whole. Compared with the prior art, the four-way connecting piece has good connection stability when being connected with the U-shaped pipe, and is convenient and fast to assemble.
Preferably, the first U-shaped groove 21 extends to the bottom of the fourth U-shaped groove 31 along the length direction thereof, the second U-shaped groove 22 extends to the bottom of the fifth U-shaped groove 41 along the length direction thereof, and the third U-shaped groove 23 extends to the bottom of the sixth U-shaped groove 51 (not shown in the figure) along the length direction thereof, so that the side plates can be simultaneously inserted into the first U-shaped groove 21 and the fourth U-shaped groove 31, the second U-shaped groove 22 and the fifth U-shaped groove 41, and the third U-shaped groove 23 and the sixth U-shaped groove 51 without special treatment of the side plates, thereby improving the structural stability of the assembled experiment table.
The width of the first U-shaped groove 21 is equal to that of the fourth U-shaped groove 31, and when a bearing side plate with a certain thickness is inserted, the connecting structure is stable and the bearing side plate is convenient to mount; the width of the second U-shaped groove 22 is equal to that of the fifth U-shaped groove 41, the width of the third U-shaped groove 23 is equal to that of the sixth U-shaped groove 51, a backboard with a certain thickness can be inserted when the back support is used, the connection structure is stable, and the installation of the backboard is convenient.
The width of the first U-shaped groove 21 is greater than that of the second U-shaped groove 22, and the width of the second U-shaped groove 22 is equal to that of the third U-shaped groove 23, i.e., the thickness of the insertable load-bearing side plate is greater than that of the insertable back plate, so as to improve the firmness of the assembled frame structure.
The groove depth of the first U-shaped groove 21 is equal to the groove depth of the fourth U-shaped groove 31, the groove depth of the fifth U-shaped groove 41 and the groove depth of the sixth U-shaped groove 51, and is greater than the groove depth of the second U-shaped groove 22, so that the inserting depth of the bearing side plate can be increased, the firmness of the assembled frame structure is further improved, and the groove depth of the second U-shaped groove 22 is equal to the groove depth of the third U-shaped groove 23.
The first side face is provided with a bearing platform which is arranged at the periphery of the first convex block 2 in an encircling mode, the second side face is provided with a bearing platform which is arranged at the periphery of the second convex block 3 in an encircling mode, the third side face is provided with a bearing platform which is arranged at the periphery of the third convex block 4 in an encircling mode, the fourth side face is provided with a bearing platform which is arranged at the periphery of the fourth convex block 5 in an encircling mode, the widths of the four bearing platforms are respectively consistent with the thickness of the pipe wall of the U-shaped pipe, and therefore after the convex blocks of the four-way connecting piece are embedded into the pipe orifice of the U-shaped pipe, the outer surface.
In order to prevent the operator from accidentally colliding and scratching, in this embodiment, the fourth side surface of the connector body 1 opposite to the second side surface thereof and a side surface of the first bump 2 close to the fourth side surface are both designed to be arc surfaces.
In a similar way, in order to prevent accidental collision scratch of the assembling personnel, the first bump 2 is designed into a chamfer angle at two corners close to the second bump 3 and the connecting piece body 1 is designed into a chamfer angle at two corners close to the second bump 3.
In this embodiment, the four-way connecting piece is made of an ABS material, and the four-way connecting piece made of the ABS material has high stability, is not easily worn and deformed, and has a long service life.
Specifically, the four-way connecting piece is of a solid structure and is integrally injection-molded by ABS materials, so that the four-way connecting piece is further prevented from being broken, and the firmness of the assembled frame structure is ensured.
The four-way connecting piece of the embodiment is suitable for connecting a U-shaped pipe with one or two U-shaped through grooves and an external specification of 62mm by 66mm and a U-shaped pipe with one U-shaped through groove and an external specification of 50mm by 50 mm.
It should be understood that the above-described embodiments are merely illustrative of the preferred embodiments of the present invention and the technical principles thereof. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, these modifications are within the scope of the present invention as long as they do not depart from the spirit of the present invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.
Claims (10)
1. A four-way connector for connecting U-tubes, comprising:
a connector body having six sides that are perpendicular to each other;
the first lug is convexly arranged on the first side face of the connecting piece body and is provided with a first U-shaped groove, a second U-shaped groove and a third U-shaped groove which penetrate through the first lug along the direction vertical to the first side face;
the second lug is convexly arranged on the second side surface of the connecting piece body and is provided with a fourth U-shaped groove which penetrates through the second lug along the direction vertical to the second side surface;
the third bump is arranged on the third side face of the connecting piece body in a protruding mode and provided with a fifth U-shaped groove which penetrates through the third bump along the direction perpendicular to the third side face;
the fourth bump is arranged on the fourth side face of the connecting piece body in a protruding mode, and the fourth bump is provided with a sixth U-shaped groove which penetrates through the fourth bump along the direction perpendicular to the fourth side face;
the first side face, the second side face and the third side face are adjacent in pairs respectively, the fourth side face is opposite to the third side face, the first U-shaped groove is located on one side, close to the second lug, of the first lug, the second U-shaped groove is located on one side, close to the third lug, of the first lug, the third U-shaped groove is located on one side, close to the fourth lug, of the first lug, the first U-shaped groove is opposite to an opening of the fourth U-shaped groove, the second U-shaped groove is opposite to an opening of the fifth U-shaped groove, and the third U-shaped groove is opposite to an opening of the sixth U-shaped groove.
2. The four-way connector for connecting U-shaped tubes according to claim 1, wherein the first U-shaped groove extends along the length direction to the bottom of the fourth U-shaped groove, the second U-shaped groove extends along the length direction to the bottom of the fifth U-shaped groove, and the third U-shaped groove extends along the length direction to the bottom of the sixth U-shaped groove.
3. The four-way connector for connecting U-shaped pipes according to claim 1, wherein the first U-shaped groove has a groove width equal to that of the fourth U-shaped groove, the second U-shaped groove has a groove width equal to that of the fifth U-shaped groove, and the third U-shaped groove has a groove width equal to that of the sixth U-shaped groove.
4. The four-way connector for connecting U-shaped pipes according to claim 3, wherein the width of the first U-shaped groove is larger than that of the second U-shaped groove, and the width of the second U-shaped groove is equal to that of the third U-shaped groove.
5. The four-way connector for connecting U-shaped pipes according to claim 3, wherein the groove depth of the first U-shaped groove is equal to the groove depth of the fourth U-shaped groove, the groove depth of the fifth U-shaped groove and the groove depth of the sixth U-shaped groove, and is greater than the groove depth of the second U-shaped groove, and the groove depth of the second U-shaped groove is equal to the groove depth of the third U-shaped groove.
6. The four-way connector according to claim 1, wherein the first side surface has a platform around the first protrusion, the second side surface has a platform around the second protrusion, the third side surface has a platform around the third protrusion, the fourth side surface has a platform around the fourth protrusion, and the four platforms have widths corresponding to the thicknesses of the walls of the U-shaped tubes.
7. The four-way connector for connecting the U-shaped pipe according to claim 1, wherein a fourth side surface of the connector body opposite to the second side surface and a side surface of the first projection close to the fourth side surface are both arc surfaces.
8. The four-way connector for connecting U-shaped tubes according to claim 7, wherein both corners of the first projection near the second projection and both corners of the connector body near the second projection are rounded arc corners.
9. The four-way connecting piece for connecting the U-shaped pipe according to any one of claims 1 to 8, wherein the four-way connecting piece is made of ABS material.
10. The four-way connecting piece for connecting the U-shaped pipe according to any one of claims 1 to 8, wherein the four-way connecting piece is of a solid structure and is integrally injection-molded by ABS material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920820881.XU CN209990744U (en) | 2019-05-31 | 2019-05-31 | Four-way connecting piece for connecting U-shaped pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920820881.XU CN209990744U (en) | 2019-05-31 | 2019-05-31 | Four-way connecting piece for connecting U-shaped pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209990744U true CN209990744U (en) | 2020-01-24 |
Family
ID=69296042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920820881.XU Expired - Fee Related CN209990744U (en) | 2019-05-31 | 2019-05-31 | Four-way connecting piece for connecting U-shaped pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209990744U (en) |
-
2019
- 2019-05-31 CN CN201920820881.XU patent/CN209990744U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200124 |
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| CF01 | Termination of patent right due to non-payment of annual fee |