CN211039302U - Double-end tooth connecting piece - Google Patents
Double-end tooth connecting piece Download PDFInfo
- Publication number
- CN211039302U CN211039302U CN201922129584.3U CN201922129584U CN211039302U CN 211039302 U CN211039302 U CN 211039302U CN 201922129584 U CN201922129584 U CN 201922129584U CN 211039302 U CN211039302 U CN 211039302U
- Authority
- CN
- China
- Prior art keywords
- pipe body
- metal protection
- threaded
- threaded pipe
- double
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a double-end tooth connecting piece, including the screwed pipe body, screwed pipe body surface is provided with screw thread portion and transition portion, screw thread portion includes two sections, sets up respectively in the both ends of transition portion, all is provided with the screw thread on every section screw thread portion, the screwed pipe body is hollow structure, a metal protection tube of inside fixedly connected with, the tip of metal protection tube is provided with temperature element, a tip of screwed pipe body is provided with the step, thereby the metal protection tube with thereby the step welds and is fixed in the metal protection tube on the screwed pipe body. The steps are added on the threaded pipe body, so that welding wire fillers are not needed to be added during welding, a crater is not needed to be machined again after welding, only the outer surface is cleaned, and the welding time can be greatly reduced.
Description
Technical Field
The utility model discloses the connecting piece field, in particular to double-end tooth connecting piece.
Background
The double-end tooth stud is a cylindrical fastener with threads at two ends, and is widely applied to electric power, chemical engineering, oil refining, valves, railways, bridges, steel structures, steam-friction fittings, machinery, boiler steel structures, tower cranes, large-span steel structures, large buildings and the like.
In some structures related to temperature monitoring, such as water conservancy, electric power and oil refining industries, a metal protection tube is welded in a threaded tube body of a double-end thread, a temperature measuring element is arranged in the metal protection tube, and then the metal protection tube is connected with a controller through a lead.
However, in the prior art, when the threaded pipe body and the metal protection pipe are welded, a welding wire of 0.5mm needs to be added, and a weld scar is generated after welding, and the weld scar needs to be machined and removed again, which is time-consuming and labor-consuming.
SUMMERY OF THE UTILITY MODEL
In view of the above shortcomings of the prior art, an object of the present invention is to provide a double-headed tooth connector, which is provided with a step at the end portion, thereby enabling quick welding and saving time and labor.
In order to achieve the above and other related objects, the present invention provides a double-thread connecting piece, which comprises a threaded pipe body, wherein the surface of the threaded pipe body is provided with a threaded portion and a transition portion, the threaded portion comprises two sections, the two sections are respectively arranged at two ends of the transition portion, each section of the threaded portion is provided with a thread,
the threaded pipe body is of a hollow structure, the interior of the threaded pipe body is fixedly connected with a metal protection pipe, the end part of the metal protection pipe is provided with a temperature measuring element,
meanwhile, one end of the threaded pipe body is provided with a step, and the metal protection pipe is welded with the step so as to be fixed on the threaded pipe body.
Further, the threads on the two threaded portions may be the same or different.
Further, the length of the threaded pipe body is between 40 and 43mm, the diameter of the threaded pipe body is between 20 and 22mm, the length of the step is between 1 and 2mm, the diameter of the step is between 6mm and 8mm, and meanwhile, the radius of the metal protection pipe is between 4 and 6 mm.
The utility model provides a double-end tooth connecting piece has following beneficial technological effect at least:
1. the steps are added on the threaded pipe body, so that welding wire fillers are not needed to be added during welding, a crater is not needed to be machined again after welding, only the outer surface is cleaned, and the welding time can be greatly reduced.
Drawings
Fig. 1 is a schematic sectional view of the double-headed tooth connecting portion of the present invention;
in the figure: 1. the temperature measuring device comprises a threaded part, 2, threads, 3, a transition part, 4, a metal protection pipe, 5, a step, 6 and a temperature measuring element.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Example (b):
a double-thread connecting piece comprises a threaded pipe body, wherein the surface of the threaded pipe body is provided with a threaded part 1 and a transition part 3, the threaded part 1 comprises two sections which are respectively arranged at two ends of the transition part 3, each section of threaded part 1 is provided with a thread 2, one section of thread 2 is PT3/8-19 thread 2, the other section of thread 2 is PF1/2-14,
meanwhile, the threaded pipe body is of a hollow structure, the interior of the threaded pipe body is connected with a metal protection pipe 4 in a welding way, the end part of the metal protection pipe 4 is provided with a temperature measuring element 6,
in this embodiment, one end of the threaded pipe body is provided with a step 5, and the metal protection pipe 4 is welded to the step 5 to fix the metal protection pipe 4 to the threaded pipe body.
In this embodiment, the total length of the threaded pipe body is 41.5mm, the diameter of the threaded pipe body is 21mm, the lengths of the two threaded parts 1 are both 15mm, the length of the step 5 is 1.5mm, the diameter of the step is 7.1mm, and the diameter of the metal protection pipe 4 is 5.1 mm.
During specific installation, the metal protection pipe 4 is inserted into the threaded pipe body, the threaded pipe body is placed into a rotatable jig to be clamped tightly, argon arc welding is started, welding wire filler is not needed to be added at the moment, the rotary jig is started simultaneously, the step 5 of the threaded pipe body is welded with the metal protection pipe 4, the current is about 13-16A, welding leakage detection is carried out after welding, assembly is carried out again, the temperature measuring element 6 is placed into the metal protection pipe 4, the entrance of the other end of the temperature measuring element is sealed by insulating glue, testing is carried out at last, and the temperature measuring element 6 is connected with an external controller through a wire so that the temperature measuring element 6 can be used.
Since the step 5 does not need to involve structural connection, it does not need to be subjected to an operation of machining a crater, thereby saving time and labor.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (3)
1. A double-thread tooth connecting piece comprises a threaded pipe body, wherein the surface of the threaded pipe body is provided with a threaded part (1) and a transition part (3), the threaded part (1) comprises two sections which are respectively arranged at two ends of the transition part (3), each section of the threaded part (1) is provided with a thread (2),
the threaded pipe body is of a hollow structure, the interior of the threaded pipe body is fixedly connected with a metal protection pipe (4), the end part of the metal protection pipe (4) is provided with a temperature measuring element (6),
the threaded pipe is characterized in that a step (5) is arranged at one end of the threaded pipe body, and the metal protection pipe (4) is welded with the step (5) so as to fix the metal protection pipe (4) on the threaded pipe body.
2. The double-ended dental connector as recited in claim 1, wherein: the threads (2) on the two sections of the thread part (1) are the same or different.
3. A double-ended dental connection unit according to claim 1 or 2, wherein: the length of the threaded pipe body is between 40 and 43mm, the diameter of the threaded pipe body is between 20 and 22mm, the length of the step (5) is between 1 and 2mm, the diameter of the step is between 6mm and 8mm, and meanwhile, the radius of the metal protection pipe (4) is between 4 and 6 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922129584.3U CN211039302U (en) | 2019-12-02 | 2019-12-02 | Double-end tooth connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922129584.3U CN211039302U (en) | 2019-12-02 | 2019-12-02 | Double-end tooth connecting piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211039302U true CN211039302U (en) | 2020-07-17 |
Family
ID=71537352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922129584.3U Expired - Fee Related CN211039302U (en) | 2019-12-02 | 2019-12-02 | Double-end tooth connecting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211039302U (en) |
-
2019
- 2019-12-02 CN CN201922129584.3U patent/CN211039302U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200717 Termination date: 20211202 |