CN215862143U - Transition joint for connecting carbon powder pipe - Google Patents
Transition joint for connecting carbon powder pipe Download PDFInfo
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- CN215862143U CN215862143U CN202122461460.2U CN202122461460U CN215862143U CN 215862143 U CN215862143 U CN 215862143U CN 202122461460 U CN202122461460 U CN 202122461460U CN 215862143 U CN215862143 U CN 215862143U
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Abstract
The utility model discloses a transition joint for connecting a carbon powder pipe, which comprises a joint body, wherein the joint body comprises a sleeve joint and a carbon powder pipe joint which are integrally cast, the sleeve joint and the carbon powder pipe joint are communicated with each other, external threads are arranged at the end parts of the sleeve joint and the carbon powder pipe joint, sealing structures with different sizes are respectively arranged at the inner side end parts of the external threads of the sleeve joint and the carbon powder pipe joint, a sleeve for connecting the carbon powder blowing pipe is arranged on the sleeve joint, and an installation clamping groove is arranged on the joint body; the transition joint of the scheme has simple structure, the threaded connection enables the transition joint to be convenient to replace, and the sealing structure is arranged at the threaded connection position to ensure that carbon powder at the connection position does not leak; the installation clamping groove is installed on a furnace door consumable oxygen gun frame to realize the installation and fixation of the transition joint.
Description
Technical Field
The utility model relates to the field of pipeline connection, in particular to a transition joint for connecting carbon powder pipes.
Background
The pipe joint is widely applied to the connection of oil and powder conveying pipelines, such as a two-way joint, a three-way joint, a multi-way joint and the like; but spare parts have machining errors when non-national standard pipe threads are selected for use, so that the carbon powder pipe is not firmly connected with the joint in a matching way, powder leaks at the joint when the oxygen lance joint is used, the wall of the pipe head of the oxygen lance joint is thin, carbon powder easily penetrates through the pipe head when the oxygen lance joint is used, the subsequent production is influenced, the connection transition joint is complex to install in a matching way with the sleeve joint, and the labor intensity is increased.
SUMMERY OF THE UTILITY MODEL
In view of the defects of the prior art, the utility model provides the transition joint for connecting the carbon powder pipe, which has good sealing performance.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a transition joint for connecting carbon powder pipe, it is including connecting the body, connect the body and include integrated into one piece fashioned box joint and carbon powder coupling, the inside intercommunication of box joint and carbon powder coupling, the tip of box joint and carbon powder coupling all is provided with the external screw thread, and the external screw thread afterbody of box joint and carbon powder coupling is provided with the seal structure of variation in size respectively, be provided with on the box joint and be used for connecting the sleeve that blows carbon powder pipe, the middle part that connects the body is provided with installation slot.
Further, seal structure includes spacing ka tai, and the front end of spacing ka tai is provided with the heavy platform of annular, and the heavy bench cover of annular is equipped with annular elastic seal circle.
Furthermore, the side of the annular elastic sealing ring is provided with a groove used for abutting against the corresponding pipe orifice, and the groove is of an isosceles trapezoid structure.
Furthermore, a smooth inclined plane is arranged at the communicating position of the inner parts of the sleeve joint and the carbon powder pipe joint.
Further, the sleeve joint is in threaded connection with the sleeve, and the sleeve is provided with a connecting hole for connecting the oxygen lance.
Furthermore, the mounting clamping groove is of a square structure.
Further, the thread size of the carbon powder tube joint is M64 × 2.
The utility model has the beneficial effects that:
1. the transition joint of the scheme has simple structure, the threaded connection enables the transition joint to be convenient to replace, and the sealing structure is arranged at the threaded connection position to ensure that carbon powder at the connection position does not leak; the installation clamping groove is installed on a furnace door consumable oxygen gun frame to realize the installation and fixation of the transition joint.
2. When the carbon powder pipe is in threaded connection with the carbon powder pipe joint, the pipe orifice of the carbon powder pipe is abutted against the annular elastic sealing ring and extrudes the annular elastic sealing ring, the pressed annular elastic sealing ring seals the joint gap, the annular sinking platform is used for limiting and fixing the annular elastic sealing ring, and the limiting clamping platform is used for extruding the annular elastic sealing ring together with the pipe orifice of the carbon powder pipe.
3. Preferably, can set up the recess in the one end of annular elastic sealing ring and mouth of pipe butt, the recess is isosceles trapezoid structure, makes the embedding that the mouth of pipe can be better and extrudees annular elastic sealing ring, reaches the purpose that promotes sealed effect.
4. The smooth inclined plane is arranged at the communicating position inside the sleeve joint and the carbon powder pipe joint, so that the sleeve joint and the carbon powder pipe joint with different pipe diameters are smoothly connected, and the circulation of carbon powder is facilitated.
5. The sleeve joint is connected with the sleeve through threads and sealed through a sealing structure, the principle of the sleeve joint is the same as that of the sealing structure at the carbon powder pipe joint, the sealing structures are different in size, and the connecting hole in the sleeve is connected with an oxygen blowing pipe and blows oxygen into the sleeve.
6. Compare in annular installation draw-in groove, the installation draw-in groove of square structure, stability is better, and the block is difficult for taking place relative slip when on furnace gate consumable formula oxygen gun rack, and the installation of being convenient for is fixed.
7. The national standard thread size is selected, so that the machining error of spare parts is reduced, and the production cost is saved.
Drawings
Fig. 1 is a structural view of a joint body.
Fig. 2 is a structural view of the sleeve.
The carbon powder pipe comprises a joint body 1, a joint body 2, a sleeve joint 3, a carbon powder pipe joint 4, a sleeve, a mounting clamping groove 5, a limiting clamping table 6, an annular sinking table 7, an annular elastic sealing ring 8, a groove 9, a groove 10, an inclined plane 11 and a connecting hole.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the utility model as defined and defined in the appended claims, and all changes that come within the meaning and range of equivalency of the claims are to be embraced therein.
As shown in fig. 1, a transition joint for connecting a carbon powder pipe is provided, which includes a joint body 1, two sides on the joint body 1 are respectively provided with a connecting end, the connecting end of the joint body 1 includes a sleeve joint 2 and a carbon powder pipe joint 3 which are integrally cast, the sleeve joint 2 and the carbon powder pipe joint 3 are internally communicated, and the internal communication position is provided with a smooth inclined surface 10, so that the sleeve joint 2 and the carbon powder pipe joint 3 with different pipe diameters are smoothly connected, which is beneficial to the circulation of carbon powder; the end parts of the sleeve joint 2 and the carbon powder pipe joint 3 are provided with external threads, and the tail parts of the external threads of the sleeve joint 2 and the carbon powder pipe joint 3 are respectively provided with sealing structures with different sizes.
Specifically, the sealing structure comprises a limiting clamping table 6, an annular sinking table 7 is arranged at the front end of the limiting clamping table 6, an annular elastic sealing ring 8 is sleeved on the annular sinking table 7, the thickness of the annular elastic sealing ring 8 is larger than the sum of the depth of the annular sinking table 7 and the thickness of the wall of the carbon powder pipe, when the carbon powder pipe is in threaded connection with the carbon powder pipe connector 3, the pipe orifice of the carbon powder pipe is abutted against the annular elastic sealing ring 8 and extrudes the annular elastic sealing ring 8, the pressed annular elastic sealing ring 8 seals the connection gap, and during specific implementation, a raw material belt can be wound on external threads to enhance the sealing effect; the annular sinking platform 7 is used for limiting and fixing the annular elastic sealing ring 8, and the limiting clamping platform 6 is used for resisting and supporting the annular elastic sealing ring 8 and extrudes the annular elastic sealing ring 8 together with the pipe orifice of the carbon powder pipe.
Preferably, the side of the annular elastic sealing ring 8 is provided with a groove 9 for abutting against the corresponding pipe orifice, and the groove 9 is of an isosceles trapezoid structure, so that the pipe orifice can be better embedded and extrude the annular elastic sealing ring 8, and the purpose of improving the sealing effect is achieved.
As shown in fig. 2, a sleeve 4 for connecting a carbon powder blowing pipe is arranged on the sleeve joint 2, the sleeve joint 2 is connected with the sleeve 4 through threads and sealed through a sealing structure, the principle of the sealing structure is the same as that of the sealing structure at the carbon powder pipe joint 3, but the sealing structures are different in size, and a connecting hole 11 for connecting an oxygen blowing pipe is arranged on the sleeve 4 and oxygen is blown into the sleeve 4.
The middle part that connects body 1 is provided with mounting groove 5, and mounting groove 5 is square structure, compares in annular mounting groove 5, and square structure's mounting groove 5, stability is better, and the block is difficult for taking place relative slip when on furnace gate consumable oxygen rifle rack, and the installation of being convenient for is fixed.
Preferably, the thread size of the carbon powder pipe joint 3 is M64 x 2, and the national standard thread size is selected, so that the machining error of spare parts is reduced, and the production cost is saved.
In conclusion, the transition joint of the scheme is simple in structure, the transition joint is convenient to replace due to threaded connection, and the sealing structure is arranged at the threaded connection part, so that carbon powder at the connection part is prevented from leaking; the mounting clamping groove 5 is mounted on a furnace door consumable oxygen gun rack to realize mounting and fixing of the transition joint.
Claims (7)
1. The utility model provides a transition joint for connecting carbon powder pipe, a serial communication port, including connecting body (1), connect body (1) including integrated into one piece slip joint (2) and carbon powder coupling (3) of pouring shaping, inside intercommunication of slip joint (2) and carbon powder coupling (3), the tip of slip joint (2) and carbon powder coupling (3) all is provided with the external screw thread, and the external screw thread afterbody of slip joint (2) and carbon powder coupling (3) is provided with the seal structure of variation in size respectively, be provided with sleeve (4) that are used for connecting the carbon powder pipe of blowing on slip joint (2), the middle part that connects body (1) is provided with installation slot (5).
2. The transition joint for connecting the carbon powder pipes as claimed in claim 1, wherein the sealing structure comprises a limiting clamping table (6), an annular sinking table (7) is arranged at the front end of the limiting clamping table (6), and an annular elastic sealing ring (8) is sleeved on the annular sinking table (7).
3. The transition joint for connecting carbon powder tubes according to claim 2, wherein the side surface of the annular elastic sealing ring (8) is provided with a groove (9) for abutting against the corresponding tube orifice, and the groove (9) is in an isosceles trapezoid structure.
4. The transition joint for connecting carbon powder pipes according to claim 1, characterized in that the smooth bevel (10) is provided at the internal communication of the sleeve joint (2) and the carbon powder pipe joint (3).
5. The transition joint for connecting carbon powder pipes according to claim 1, wherein the sleeve joint (2) is in threaded connection with a sleeve (4), and the sleeve (4) is provided with a connecting hole (11) for connecting an oxygen lance.
6. The transition joint for connecting carbon powder pipes according to claim 1, wherein the mounting slots (5) have a square structure.
7. Transition joint for connecting carbon powder tubes according to claim 1, characterized in that the thread size of the carbon powder tube joint (3) is M64 x 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122461460.2U CN215862143U (en) | 2021-10-12 | 2021-10-12 | Transition joint for connecting carbon powder pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122461460.2U CN215862143U (en) | 2021-10-12 | 2021-10-12 | Transition joint for connecting carbon powder pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215862143U true CN215862143U (en) | 2022-02-18 |
Family
ID=80260513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122461460.2U Active CN215862143U (en) | 2021-10-12 | 2021-10-12 | Transition joint for connecting carbon powder pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215862143U (en) |
-
2021
- 2021-10-12 CN CN202122461460.2U patent/CN215862143U/en active Active
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