CN220891385U - Connecting piece for pipe connection - Google Patents
Connecting piece for pipe connection Download PDFInfo
- Publication number
- CN220891385U CN220891385U CN202322223706.1U CN202322223706U CN220891385U CN 220891385 U CN220891385 U CN 220891385U CN 202322223706 U CN202322223706 U CN 202322223706U CN 220891385 U CN220891385 U CN 220891385U
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- Prior art keywords
- arc
- embedded groove
- hole
- cover body
- fixing
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- 230000000149 penetrating effect Effects 0.000 claims abstract 2
- 230000000694 effects Effects 0.000 abstract description 16
- 238000009434 installation Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model discloses a connecting piece for pipe connection, which comprises a base and a bolt, wherein the base comprises an arc-shaped groove with two through ends, the surface of the base, which is opposite to the arc-shaped groove, is an abutting surface, the abutting surface is a plane, a through hole which extends to the arc-shaped groove is formed in the abutting surface, the bolt comprises a screw rod which is arranged in the through hole in a penetrating manner and a screw head which is abutted to the abutting surface, one end of the screw rod, which is far away from the screw head, protrudes out of the through hole, and compared with the existing bolt for fixing, the screw head is in surface contact with the abutting surface, the arc-shaped groove is in surface contact with the outer wall surface of a fixed end with larger size, and the screw rod can penetrate into a threaded hole of the fixed end along the axis of the screw rod, so that the screwing effect is ensured. The existence of the base ensures the fixing effect of the bolt.
Description
Technical Field
The utility model belongs to the technical field of pipe connection, and particularly relates to a connecting piece for pipe connection.
Background
The scaffold body such as scaffold and support frame is usually built by pipe materials. According to the actual use occasion, some racks can use pipe or oval pipe, and a pipe or oval pipe's length is limited, when setting up great rack body, usually through welding or adapting unit fixed between the pipe of axial arrangement or between the oval pipe of axial arrangement.
Bolts are a common type of connection component and tubing includes a fixed end disposed at the end, which generally conforms to the shape of the tubing. The two opposite fixed ends of the adjacent pipes are different in size, the fixed end with smaller size is inserted into the fixed end with larger size along the axial direction of the pipe, the bolt penetrates through the two fixed ends along the radial direction of the pipe, and the bolt is at least in threaded fit with one of the two fixed ends.
For round pipes and oval pipes, the existing connection mode using bolts as connection components has the following problems: (1) The face of the screw head of the bolt facing the fixed end is usually a plane, and the outer wall of the fixed end of the round tube or the elliptical tube is a curved surface, so that after the screw head is screwed, the screw head is in line contact with the outer wall of the fixed end with larger size, and the fixing effect is poor.
(2) The thickness of the fixed end along the radial direction is limited, so that the contact area between the bolt and the fixed end is limited, and when the bolt is screwed in, the screwing angle is easy to deviate, and the screwing effect is influenced; after the bolts are screwed in, the area of the bolts matched with the threads of the fixed ends is smaller, and the fixing effect is affected.
(3) The large-size frame body is usually located outdoors, and bolts are directly exposed outside, so that the problems of influence on the fixing strength due to rust and the like easily occur in wind blowing and rain.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides the connecting piece for connecting the pipes, which has a better fixing effect.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a connecting piece for tubular product is connected, includes base and bolt, the base includes the arc wall that both ends link up, the base is the butt face against the face of arc wall, the butt face is the plane, be equipped with the through-hole that extends to the arc wall on the butt face, the bolt is including wearing to establish the screw rod in the through-hole and with the spiral shell head of butt face butt, the one end outstanding through-hole of spiral shell head is kept away from to the screw rod.
By adopting the scheme, the utility model is used for fixing round pipes or elliptical pipes. When the circular tube is needed to be fixed, the fixing ends of the adjacent circular tubes, which are opposite in size, are inserted, preferably threaded holes are formed in the two fixing ends of the adjacent circular tubes, after the two threaded holes of the two fixing ends which are inserted and matched are aligned, the inner wall of the arc-shaped groove is attached to the outer wall of the fixing end with larger size, at the moment, the extending direction of the arc-shaped groove is parallel to the axis of the fixing end, and after the through holes are aligned with the threaded holes of the fixing ends, bolts penetrate into the threaded holes from the through holes, so that the fixing is realized.
Compared with the prior bolt fixing, the screw head is in surface contact with the abutting surface, the arc-shaped groove is in surface contact with the outer wall surface of the fixed end with larger size, and the screw rod can penetrate into the threaded hole of the fixed end along the axis of the screw rod due to the through hole, so that the screwing effect is ensured. The existence of the base ensures the fixing effect of the bolt.
As a further arrangement of the utility model, the inner wall of the through hole is provided with threads matched with the threads of the screw rod.
By adopting the scheme, the total area of screw thread matching is increased by the through holes, so that the fixing effect of the screw is better.
As a further arrangement of the utility model, the cross section of the arc-shaped groove is smaller than or equal to a semicircle; or the cross section of the arc-shaped groove is smaller than or equal to a semi-ellipse.
The cross section of the arc-shaped groove is mutually perpendicular to the extending direction of the arc-shaped groove, and the cross section of the arc-shaped groove is coincident with or parallel to the axis of the through hole. By adopting the scheme, the arc-shaped groove is convenient to be attached to the side wall of the round pipe or the oval pipe.
As a further arrangement of the utility model, the base comprises a prismatic or cylindrical embedded groove, the abutting surface is positioned at the bottom of the embedded groove, the screw head is positioned in the embedded groove, a notch cover of the embedded groove is provided with a cover body, and the cover body is in threaded fit or interference fit with the embedded groove.
By adopting the scheme, the cover body can be in threaded fit or interference fit with the outer wall of the embedded groove, and the cover body can also be in interference fit or threaded fit with the inner wall of the embedded groove. The existence of the embedded groove and the cover body can prevent the screw head from being exposed to the outside, and prolong the service life of the bolt.
As a further arrangement of the utility model, a gap exists between the cover body and the screw head, and the height of the screw head along the axial direction of the screw head is smaller than or equal to the depth of the embedded groove.
The depth of the embedded groove is the distance from the notch of the embedded groove to the bottom of the groove. By adopting the scheme, the installation effect of the bolt is guaranteed, the fixing effect of the cover body and the embedded groove is guaranteed, and the cover body and the embedded groove are kept relatively fixed.
As a further arrangement of the utility model, the cover body is in interference fit with the inner wall of the embedded groove, and the cover body is raised in a direction away from the abutting surface opposite to the abutting surface.
By adopting the scheme, the shape of the surface of the cover body opposite to the abutting surface is convenient for an installer to press, and meanwhile, a gap is reserved between the cover body and the screw head all the time, so that the screw head can adapt to screw heads with different heights, and the height of the screw head refers to the axial distance of the screw head along the screw head.
As a further arrangement of the utility model, the base comprises a cylindrical fixing surface, two ends of the fixing surface are respectively connected with the notch of the arc-shaped groove and the notch of the embedded groove, the cross section of the fixing surface along the radial direction of the through hole is circular, and the diameter of the cross section of the fixing surface along the radial direction of the through hole is smaller as the diameter of the fixing surface is closer to the notch of the embedded groove.
By adopting the scheme, an installer can hold the base conveniently and apply force to the base, so that the arc-shaped groove is kept in a fitting state with the fixed end with larger size in the bolt installation process.
The utility model is further described below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic illustration of the practical use of an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of an embodiment of the present utility model in actual use;
FIG. 3 is an exploded view of an embodiment of the present utility model;
FIG. 4 is a schematic diagram of an embodiment of the present utility model;
FIG. 5 is a side view of an embodiment of the present utility model;
FIG. 6 is a cross-sectional view A-A of FIG. 5;
Fig. 7 is a sectional view B-B of fig. 5.
Base 1, arc groove 11, abutment surface 12, through-hole 13, embedded groove 14, fixed surface 15, bolt 2, screw 21, spiral shell head 22, lid 3, stiff end 4, screw hole 41.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, unless otherwise specified, the directions or positional relationships as indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. in the description are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.
Specific embodiments of the present utility model are shown in FIGS. 1-7.
The utility model provides a connecting piece for tubular product connection, including base 1 and bolt 2, base 1 includes arc groove 11 that both ends link up, the surface of base 1 back to arc groove 11 is butt face 12, butt face 12 is the plane, be equipped with on the butt face 12 and extend to the through-hole 13 of arc groove 11, the axis of through-hole 13 and the extending direction mutually perpendicular of arc groove 11, bolt 2 is including wearing to establish the screw rod 21 in through-hole 13 and with the screw head 22 of butt face 12 butt, have on the inner wall of through-hole 13 with screw rod 21 screw thread complex screw thread, the one end salient through-hole 13 of screw rod 21 keeping away from screw head 22.
The embodiment is suitable for fixing the round tube. When fixing is needed, the fixing ends 4 with different relative sizes of the adjacent round pipes are inserted and connected firstly, in the embodiment, threaded holes 41 are formed in the two fixing ends 4 of the adjacent round pipes, after the two threaded holes 41 of the two fixing ends 4 which are inserted and connected are aligned, the inner wall of the arc-shaped groove 11 is attached to the outer wall of the fixing end 4 with larger size, at the moment, the extending direction of the arc-shaped groove 11 is parallel to the axis of the fixing end 4, and after the through holes 13 are aligned with the threaded holes 41 of the fixing ends 4, the bolts 2 penetrate from the through holes 13 and are screwed into the threaded holes 41, so that fixing is achieved.
Compared with the prior art that the bolt 2 is fixed, the screw head 22 of the embodiment is in surface contact with the abutting surface 12, the arc-shaped groove 11 is in surface contact with the outer wall surface of the fixed end 4 with a larger size, the fixing effect is better, the screw 21 can penetrate into the threaded hole 41 of the fixed end 4 along the axis of the screw rod 21 due to the through hole 13, and the screwing effect is ensured. The through holes 13 increase the total area of the threaded engagement of the screw 21, and ensure the fixing effect of the bolt 2.
In this embodiment, the cross section of the arc-shaped groove 11 is smaller than a semicircle. The cross section of the arc-shaped groove 11 is perpendicular to the extending direction of the arc-shaped groove 11, and the cross section of the arc-shaped groove 11 coincides with or is parallel to the axis of the through hole 13. The arc-shaped groove 11 is convenient to be attached to the side wall of the circular tube.
The base 1 includes a cylindrical embedded groove 14, the abutment surface 12 is located at the bottom of the embedded groove 14, the screw head 22 is located in the embedded groove 14, the notch cover of the embedded groove 14 is provided with a cover body 3, a gap exists between the cover body 3 and the screw head 22, and in this embodiment, the cover body 3 is in interference fit with the inner wall of the embedded groove 14. According to actual demand, also can design into lid 3 and the outer wall screw-thread fit of embedded groove 14, screw-thread fit makes things convenient for later stage inspection or change bolt 2, but waterproof performance is less than interference fit, consequently adopts screw-thread fit, sets up the sealing washer between lid and the embedded groove. The presence of the insertion groove 14 and the cover 3 can prevent the screw head 22 from being exposed to the outside, and prolong the service life of the bolt 2.
The cover 3 is convex in a direction away from the abutment surface 12, facing the abutment surface 12. The shape of the surface of the cover body 3 opposite to the abutting surface 12 is convenient for an installer to press, and meanwhile, gaps are reserved between the cover body 3 and the screw heads 22 all the time, so that the cover body can adapt to screw heads 22 with different heights, and the height of the screw heads 22 refers to the distance of the screw heads 22 along the axial direction of the screw heads.
In this embodiment, the height of the screw head 22 in the axial direction thereof is smaller than the depth of the insertion groove 14. The depth of the embedded groove 14 is the distance from the notch of the embedded groove 14 to the bottom of the groove. The installation effect of the bolts 2 is guaranteed, the fixing effect of the cover body 3 and the embedded groove 14 is guaranteed, and the cover body 3 and the embedded groove 14 are guaranteed to be relatively fixed.
The base 1 comprises a cylindrical fixing surface 15, two ends of the fixing surface 15 are respectively connected with the notch of the arc-shaped groove 11 and the notch of the embedded groove 14, the cross section of the fixing surface 15 along the radial direction of the through hole 13 is circular, and the diameter of the cross section of the fixing surface 15 along the radial direction of the through hole 13 is smaller as the diameter of the cross section is closer to the notch of the embedded groove 14. The shape of the fixing surface 15 facilitates the installer to hold the base 1 and apply force to the base 1, so that the arcuate slot 11 remains in engagement with the larger sized fixing end 4 during installation of the bolt 2.
The present utility model is not limited to the above-described embodiments, and those skilled in the art, based on the disclosure of the present utility model, may implement the present utility model in various other embodiments, or simply change or modify the design structure and thought of the present utility model, which fall within the protection scope of the present utility model.
Claims (7)
1. A connector for pipe connection, characterized in that: the base comprises a base and bolts, wherein the base comprises arc grooves with two ends communicated, the surface of the base back to the arc grooves is a butt surface, the butt surface is a plane, through holes extending to the arc grooves are formed in the butt surface, the bolts comprise screws penetrating through the through holes and screw heads abutted to the butt surface, and one ends of the screws, far away from the screw heads, protrude out of the through holes.
2. A connector for pipe joints according to claim 1, wherein: the inner wall of the through hole is provided with threads matched with the threads of the screw rod.
3. A connection for pipe connections according to claim 1 or 2, characterized in that: the cross section of the arc-shaped groove is smaller than or equal to a semicircle; or the cross section of the arc-shaped groove is smaller than or equal to a semi-ellipse.
4. A connector for pipe joints according to claim 3, wherein: the base comprises a prismatic or cylindrical embedded groove, the abutting surface is located at the bottom of the embedded groove, the screw head is located in the embedded groove, a cover body is arranged on a notch cover of the embedded groove, and the cover body is in threaded fit or interference fit with the embedded groove.
5. A connector for pipe joints according to claim 4, wherein: and a gap exists between the cover body and the screw head, and the height of the screw head along the axial direction of the screw head is smaller than or equal to the depth of the embedded groove.
6. A connector for pipe joints according to claim 5, wherein: the cover body is in interference fit with the inner wall of the embedded groove, and the opposite surface of the cover body and the abutting surface is protruded in a direction away from the abutting surface.
7. A connector for pipe connection according to claim 5 or 6, characterized in that: the base comprises a cylindrical fixing surface, two ends of the fixing surface are respectively connected with the notch of the arc-shaped groove and the notch of the embedded groove, the radial section of the fixing surface along the through hole is circular, and the diameter of the radial section of the fixing surface along the through hole is smaller when the diameter of the radial section of the fixing surface along the through hole is closer to the notch of the embedded groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322223706.1U CN220891385U (en) | 2023-08-16 | 2023-08-16 | Connecting piece for pipe connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322223706.1U CN220891385U (en) | 2023-08-16 | 2023-08-16 | Connecting piece for pipe connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220891385U true CN220891385U (en) | 2024-05-03 |
Family
ID=90870519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322223706.1U Active CN220891385U (en) | 2023-08-16 | 2023-08-16 | Connecting piece for pipe connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220891385U (en) |
-
2023
- 2023-08-16 CN CN202322223706.1U patent/CN220891385U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |