CN215980298U - Built-in handing-over fastener - Google Patents
Built-in handing-over fastener Download PDFInfo
- Publication number
- CN215980298U CN215980298U CN202122491259.9U CN202122491259U CN215980298U CN 215980298 U CN215980298 U CN 215980298U CN 202122491259 U CN202122491259 U CN 202122491259U CN 215980298 U CN215980298 U CN 215980298U
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- Prior art keywords
- connecting piece
- conical pipe
- conical
- pipe
- built
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- Expired - Fee Related
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- 238000003466 welding Methods 0.000 claims description 29
- 230000000694 effects Effects 0.000 abstract description 5
- 229910000679 solder Inorganic materials 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
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Abstract
The utility model discloses a built-in connection fastening device which comprises a first conical pipe, wherein a first connecting piece is welded on one side inside the first conical pipe, a second conical pipe is installed at one end of the first conical pipe, a second connecting piece is welded on one side inside the second conical pipe, one end of the second connecting piece extends into the first conical pipe and is in contact with one end of the first connecting piece, a threaded hole is formed in the outer wall of the first connecting piece, which is close to one side of the second connecting piece, one end of the threaded hole extends into the first connecting piece, and a pin hole is formed in the outer wall of the second connecting piece, which is located at the position of the threaded hole. The utility model not only improves the fastening and connecting effect between the first conical pipe and the second conical pipe when the fastening device is used, avoids the phenomenon that the first connecting piece and the second connecting piece fall off to the outer parts of the first conical pipe and the second conical pipe, but also improves the convenience of the fastening device in connection.
Description
Technical Field
The utility model relates to the technical field of fastening devices, in particular to a built-in connection fastening device.
Background
The fastening member is a mechanical part used for fastening and connecting and has a wide range of applications, and various fastening members can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, appliances, supplies and the like, and the fastening member has various specifications and different performance and applications, and is often called a standard member or a fastening device.
At present, a fastening device on the market is mainly divided into two groups of conical pipes, one end of one group of conical pipes is a small end, one end of the other group of conical pipes is a big end, one end of the small end conical pipe is sleeved into the inside of the big end conical pipe, and then glue is used for adhering and fixing the connecting positions of the two groups of conical pipes.
Disclosure of Invention
The utility model aims to provide a built-in connection fastening device to solve the problem that two groups of tapered pipes are easy to fall off after being used for a long time due to the common fastening and connecting effect of the fastening device in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a built-in handing-over fastener, includes first conical duct, the inside one side welding of first conical duct has first connecting piece, second conical duct is installed to the one end of first conical duct, the inside one side welding of second conical duct has the second connecting piece, the one end of second connecting piece extends to the inside of first conical duct and touches mutually with the one end of first connecting piece, be provided with the screw hole on the outer wall that first connecting piece is close to second connecting piece one side, the one end of screw hole extends to the inside of first connecting piece, be provided with the pinhole on the second connecting piece outer wall of screw hole position department, the one end of pinhole extends to the inside of second connecting piece, install the locking bolt on the second connecting piece inner wall of pinhole position department, the one end of locking bolt run through the pinhole and with screw hole threaded connection.
Preferably, the outer wall of one side of the first conical pipe is provided with equidistant first welding spots, and an included angle between the first welding spots is ninety degrees, so that the first connecting piece is stably welded in the first conical pipe.
Preferably, first conical duct and second conical duct all are the circular cone structure, the hole diameter of first conical duct equals with the hole diameter of second conical duct to it remains the clearance to reduce after first conical duct is connected with second conical duct.
Preferably, the first connecting piece and the second connecting piece are both in a cylindrical structure, and the diameters of the first connecting piece and the second connecting piece are equal to the diameters of the inner holes of the first conical pipe and the second conical pipe, so that the first connecting piece and the second connecting piece are arranged inside the first conical pipe and the second conical pipe in a matching manner.
Preferably, the outer wall of one side of the second tapered pipe is provided with equidistant second welding points, and the included angle between the second welding points is ninety degrees, so that the second connecting piece is stably welded in the second tapered pipe.
Preferably, the diameter of the pin hole is equal to that of the threaded hole, and the diameters of the pin hole and the threaded hole are equal to that of the threaded end of the locking bolt, so that one end of the locking bolt penetrates through the pin hole and is screwed into the threaded hole.
Compared with the prior art, the utility model has the beneficial effects that: the built-in connection fastening device not only improves the fastening and connecting effects between the first conical pipe and the second conical pipe when the fastening device is used, avoids the phenomenon that the first connecting piece and the second connecting piece fall off to the outside of the first conical pipe and the second conical pipe, but also improves the convenience when the fastening device is connected.
(1) Through welding the second connecting piece in the inside of second conical pipe, and weld first connecting piece in the inside of first conical pipe, when the one end of first conical pipe is connected in the one end of second conical pipe, with the help of the rotatory locking bolt of outside instrument, make the one end of locking bolt run through the pinhole and screw in to the inside of screw hole, can stabilize with second conical pipe first conical pipe and second conical pipe and be connected the processing, in order to replace the traditional connected mode that uses glue, and then can reduce the later stage and produce the phenomenon that drops between first conical pipe and the second conical pipe, thereby fastening and the connection effect between first conical pipe and the second conical pipe when fastener uses have been improved.
(2) The welding is carried out through the position of the first welding spot, four groups of equidistant first welding spots are arranged, the first connecting piece is stably welded on the inner side of the first conical pipe, the second welding spot is welded through the position of the second welding spot, four groups of equidistant second welding spots are arranged, the second connecting piece is stably welded on the inner side of the second conical pipe, and the phenomenon that the first connecting piece and the second connecting piece fall off to the outer portion of the first conical pipe and the outer portion of the second conical pipe is avoided.
(3) Through welding the second connecting piece in the inside one side of second conical tube, and make the one end of second connecting piece extend to the outside of second conical tube, this length that extends is a millimeter, weld first connecting piece in the inside one side of first conical tube again, and make the one end of first connecting piece and the one end of first conical tube have by certain clearance, the length in this clearance is a millimeter, when the one end of first conical tube is tentatively connected in second conical tube, the inside clearance of first conical tube then can the suit in the outer wall of second connecting piece, so that first conical tube connects in second conical tube fast, and then make pinhole and screw hole be coaxial structure, and avoid the phenomenon that produces the displacement between rotatory locking bolt in-process first conical tube and the second conical tube, thereby convenience when fastener connects has been improved.
Drawings
Fig. 1 is a schematic front sectional view of the present invention.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.
FIG. 3 is a schematic structural diagram of the appearance of a second conical tube according to the present invention.
FIG. 4 is a schematic view of the first tapered tube according to the present invention.
In the figure: 1. a first tapered tube; 2. a first connecting member; 3. a first solder joint; 4. a second solder joint; 5. a second tapered tube; 6. a second connecting member; 7. a pin hole; 8. a threaded hole; 9. and locking the bolt.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, an embodiment of the present invention includes: the utility model provides a built-in handing-over fastener, includes first conical duct 1, is provided with equidistant first solder joint 3 on the outer wall of first conical duct 1 one side, and the contained angle between first solder joint 3 is ninety degrees.
When the welding device is used, welding treatment is carried out at the positions of the four groups of first welding points 3, so that the first connecting piece 2 is stably welded in the first conical pipe 1.
The first conical pipe 1 and the second conical pipe 5 are both in a conical structure, and the diameter of the inner hole of the first conical pipe 1 is equal to that of the inner hole of the second conical pipe 5.
When the device is used, the first conical pipe 1 and the second conical pipe 5 are arranged in a conical structure with the same diameter, so that a gap is reserved after the first conical pipe 1 and the second conical pipe 5 are connected.
The welding of the inside one side of first conical duct 1 has first connecting piece 2, and first connecting piece 2 all is the cylinder structure with second connecting piece 6, and the diameter of first connecting piece 2 and second connecting piece 6 equals with the hole diameter of first conical duct 1 and second conical duct 5.
During the use, be the cylinder structure through setting up first connecting piece 2 and second connecting piece 6, and the diameter of first connecting piece 2 and second connecting piece 6 is less than the diameter of first conical duct 1 and second conical duct 5 to make first connecting piece 2 and second connecting piece 6 agree with to settle in the inside of first conical duct 1 and second conical duct 5.
A second conical pipe 5 is installed at one end of the first conical pipe 1, second welding points 4 with equal intervals are arranged on the outer wall of one side of the second conical pipe 5, and the included angle between the second welding points 4 is ninety degrees.
In use, the welding process is performed at the positions of the four sets of second welding points 4, so that the second connecting piece 6 is stably welded inside the second conical pipe 5.
The welding of the inside one side of second toper pipe 5 has second connecting piece 6, the one end of second connecting piece 6 extends to the inside of first toper pipe 1 and touches mutually with the one end of first connecting piece 2, first connecting piece 2 is provided with screw hole 8 on being close to the outer wall of second connecting piece 6 one side, the one end of screw hole 8 extends to the inside of first connecting piece 2, be provided with pinhole 7 on the second connecting piece 6 outer wall of screw hole 8 position department, the one end of pinhole 7 extends to the inside of second connecting piece 6, the diameter of pinhole 7 equals with the diameter of screw hole 8, the diameter of pinhole 7 and screw hole 8 all equals with the diameter of locking bolt 9 threaded end.
During the use, through with pinhole 7 and the coaxial setting of screw hole 8, and pinhole 7 equals with the screw thread end diameter of screw hole 8 and locking bolt 9 to run through pinhole 7 and the screw in to the inside of screw hole 8 with the one end of locking bolt 9.
And a locking bolt 9 is arranged on the inner wall of the second connecting piece 6 at the position of the pin hole 7, and one end of the locking bolt 9 penetrates through the pin hole 7 and is in threaded connection with the threaded hole 8.
When the connecting device is used, the first connecting piece 2 is firstly welded inside the first conical tube 1 through the first welding point 3, the second connecting piece 6 is welded inside the second conical tube 5 through the second welding point 4, then the first conical tube 1 is sleeved on the outer wall extending out of the second connecting piece 6, so that the first conical tube 1 is preliminarily connected to the second conical tube 5, at the moment, the locking bolt 9 is rotated by means of an external tool, one end of the locking bolt 9 penetrates through the pin hole 7 and is screwed into the threaded hole 8, one end of the locking bolt 9 is screwed out of the threaded hole 8, at the moment, the nut end of the locking bolt 9 is tightly attached to the inner wall of the second connecting piece 6, the first conical tube 1 and the second conical tube 5 can be connected in a built-in connection mode, the traditional connection mode using glue is replaced, and the built-in connection mode is adopted, the phenomenon that the first conical pipe 1 and the second conical pipe 5 fall off after long-time use can be avoided, and then the connection and fastening effects between the first conical pipe 1 and the second conical pipe 5 are improved, so that the fastening device is used.
Claims (6)
1. The built-in connection fastening device is characterized by comprising a first conical pipe (1), wherein a first connecting piece (2) is welded on one side of the inside of the first conical pipe (1), a second conical pipe (5) is installed at one end of the first conical pipe (1), a second connecting piece (6) is welded on one side of the inside of the second conical pipe (5), one end of the second connecting piece (6) extends to the inside of the first conical pipe (1) and is in contact with one end of the first connecting piece (2), a threaded hole (8) is formed in the outer wall, close to one side of the second connecting piece (6), of the first connecting piece (2), one end of the threaded hole (8) extends to the inside of the first connecting piece (2), a pin hole (7) is formed in the outer wall of the second connecting piece (6) at the position of the threaded hole (8), one end of the pin hole (7) extends to the inside of the second connecting piece (6), and a locking bolt (9) is arranged on the inner wall of the second connecting piece (6) at the position of the pin hole (7), and one end of the locking bolt (9) penetrates through the pin hole (7) and is in threaded connection with the threaded hole (8).
2. A built-in interface fastener device according to claim 1, wherein: the outer wall of one side of the first conical pipe (1) is provided with first welding points (3) at equal intervals, and the included angle between the first welding points (3) is ninety degrees.
3. A built-in interface fastener device according to claim 1, wherein: first toper pipe (1) all is the circular cone structure with second toper pipe (5), the hole diameter of first toper pipe (1) equals with the hole diameter of second toper pipe (5).
4. A built-in interface fastener device according to claim 1, wherein: the first connecting piece (2) and the second connecting piece (6) are both of cylindrical structures, and the diameters of the first connecting piece (2) and the second connecting piece (6) are equal to the diameters of inner holes of the first conical pipe (1) and the second conical pipe (5).
5. A built-in interface fastener device according to claim 1, wherein: the outer wall of one side of the second conical pipe (5) is provided with second welding points (4) at equal intervals, and the included angle between the second welding points (4) is ninety degrees.
6. A built-in interface fastener device according to claim 1, wherein: the diameter of the pin hole (7) is equal to that of the threaded hole (8), and the diameters of the pin hole (7) and the threaded hole (8) are equal to that of the threaded end of the locking bolt (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122491259.9U CN215980298U (en) | 2021-10-16 | 2021-10-16 | Built-in handing-over fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122491259.9U CN215980298U (en) | 2021-10-16 | 2021-10-16 | Built-in handing-over fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215980298U true CN215980298U (en) | 2022-03-08 |
Family
ID=80511844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122491259.9U Expired - Fee Related CN215980298U (en) | 2021-10-16 | 2021-10-16 | Built-in handing-over fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215980298U (en) |
-
2021
- 2021-10-16 CN CN202122491259.9U patent/CN215980298U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220308 |