Double-layer pipe splicing inner pipe
By adopting a symmetrical structure, the double-layer pipe splicing inner pipe design, combined with threaded connection and two-direction sealing stop structure, the problem of insufficient sealing and compressive strength of the double-layer pipe joint is solved, and higher sealing safety and resistance are achieved Pressure strength, suitable for high pressure environments.
Patent Information
- Application Number
- CN202421417394.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-06-20
AI Technical Summary
During the installation and splicing of double-layer pipes, the sealing of the joint position is difficult to ensure, the connection efficiency of pipes in different directions is low, and the compressive strength is insufficient, which cannot meet the needs of high-pressure interfaces.
The new double-layer pipe spliced inner pipe design is adopted, and the overall design is symmetrical structure. The two sides are the main body of the inner pipe. It is connected to the outer pipe through threads. A two-direction seal stop structure and seal ring are set to realize double Sealing fit in different directions of the position enhances compressive strength.
It improves the seal safety of the joint position, enhances compressive strength, simplifies the installation process, improves the safety of use, and can meet the application needs in high-pressure environments.
Smart Images
Figure CN222479735U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pipeline products, in particular to a double-layer pipe splicing inner pipe. Background Art
[0002] When installing and splicing double-layer pipes, the ends of the pipes usually need to be coordinated with the double joints of the inner and outer pipes. The sealing of the joints is difficult to ensure, and the efficiency of the connection when connecting pipes in different directions is relatively low. The compressive strength during use is relatively poor and cannot meet the use requirements when the pressure intensity at the interface is relatively high. Utility Model Content
[0003] The purpose of the utility model is to provide a double-layer tube splicing inner tube, which adopts a brand-new structural design and is designed in a symmetrical structural form as a whole. It can be matched and connected with the inner tube interface position of the double-layer tube during installation. Its two sides are the pipeline main body of the inner tube. During installation, the two sides are directly matched and connected with the outer tube by means of threads. The end position of the outer tube is matched with the sealing stop structure in two directions arranged on the main structure of the inner tube during installation to achieve matching seals in two positions in different directions by matching with the sealing ring, thereby ensuring better sealing safety during matching. It is used as the inner tube, and the overall middle position adopts an integrated molding structure, which has a stronger bearing capacity during use, and makes the compressive strength of the splicing tube position higher. It is not only more convenient to install and match, but also safer during use, and can meet the use requirements in application environments with relatively high pressure strength requirements.
[0004] The technical solution of the utility model is as follows:
[0005] A double-layer tube splicing inner tube, characterized in that it includes a cylindrical main body matching stop column, and the center positions of the end faces on both sides of the main body matching stop column are respectively provided with an integrally formed cylindrical pipe connection main body structure, the interior of the pipe connection main body structure is a cylindrical main body conveying channel, and a fastening combination thread groove is provided on the outer cylindrical surface of the pipe connection main body structure, and the connection position between the pipe connection main body structure and the main body matching stop column is provided with an integrally formed and circumferentially evenly distributed conical sealing stop matching boss, a sealing stabilizing matching groove is provided between two adjacent sealing stop matching bosses, and a sealing matching installation groove is formed between the sealing stop matching boss and the end face of the main body matching stop column.
[0006] Furthermore, the edge positions of the end surfaces on both sides of the main body that cooperate with the stop column are respectively provided with conical avoidance safety surfaces.
[0007] Furthermore, a second sealing fitting groove is provided between the sealing stop fitting boss and the outer cylindrical surface of the pipeline connection main structure.
[0008] Furthermore, an assembly guide avoidance chamfer is provided at the outer edge position of the pipeline connection main structure.
[0009] Beneficial effects of the utility model:
[0010] The utility model adopts a brand-new structural design, and is designed in a symmetrical structural form as a whole. It can be matched and connected with the inner tube interface position of the double-layer tube during installation. Its two sides are the pipeline body of the inner tube. During installation, the two sides are directly matched and connected with the outer tube by means of threads, and the end position of the outer tube is matched with the sealing stop structure in two directions set on the main structure of the inner tube. During installation, the matching sealing of the sealing ring in two directions can be realized, thereby ensuring better sealing safety during matching. It is used as the inner tube, and the overall middle position adopts an one-piece molding structure, which has a stronger bearing capacity during use, and makes the compressive strength of the spliced tube position higher. It is not only more convenient to install and match, but also safer during use, and can meet the use requirements in application environments with relatively high pressure strength requirements. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0012] Figure 2 It is a front schematic diagram of the utility model;
[0013] Figure 3 It is a left side schematic diagram of the utility model;
[0014] Figure 4 It is a schematic diagram of the right side of the utility model;
[0015] Figure 5 It is a top view schematic diagram of the utility model;
[0016] Figure 6 It is a partial enlarged schematic diagram of position A of the utility model;
[0017] Figure 7 It is a schematic diagram of the three-dimensional structure of the utility model in the second direction;
[0018] In the figure: 1. Main body matching stop column, 2. Pipeline connected to main body structure, 3. Main body conveying channel, 4. Fastening combination thread groove, 5. Sealing stop matching boss, 6. Sealing stable matching groove. DETAILED DESCRIPTION
[0019] like Figures 1 to 7As shown, a double-layer pipe splicing inner pipe comprises a cylindrical main body matching stop column 1, and the center positions of the two side end faces of the main body matching stop column 1 are respectively provided with an integral cylindrical pipe connection main body structure 2, which constitute the main structure of the inner pipe, and it is used as an integral inner pipe when in use. The interior of the pipe connection main body structure 2 is a cylindrical main body delivery channel 3, which is the delivery channel of the inner pipe. The outer cylindrical surface of the pipe connection main body structure 2 is provided with a fastening combination thread groove 4, through which it can be combined with the outer wall pipe, so as to ensure the use safety of the internal pipe. The connection position between the pipe connection main body structure 2 and the main body matching stop column 1 is provided with an integrally formed and circumferentially evenly distributed conical sealing stop matching boss 5, which can achieve a sealing matching connection effect with a sealing ring. Between two adjacent sealing stop matching bosses 5 is a sealing stable matching groove 6, which can cooperate with the sealing ring to press the sealing ring into this position when matching, so that the sealing ring has better sealing performance and better position stability, and will not loosen. A sealing matching installation groove is formed between the sealing stop matching boss 5 and the end face of the main body matching stop column 1, so that this position is combined with the second sealing ring to achieve a double sealing matching connection effect, ensure the sealing of the outer wall tube during installation, and be more reliable in safety during use. It adopts a brand-new structural design, and is designed in a symmetrical structural form as a whole. It can be converted in the up and down directions during use, which can ensure that the overall life is longer and the utilization rate is higher. It can be combined with the guide shaft during installation, and can be flexibly moved and matched during installation and later maintenance as needed. The combination flexibility during use is stronger. By setting a avoidance groove at the photovoltaic panel installation position, it can ensure that the connecting wire is safely placed from this position, and the safety of the wiring harness position during movement can be guaranteed. It can be made of metal aluminum alloy materials for one-piece molding during production, or it can be made of metal waste plates by welding. It is more flexible in production and has lower production costs.
[0020] Preferably, the edge positions of the end faces on both sides of the main body and the stop column 1 are respectively provided with conical avoidance safety surfaces, so that the edge structure at the middle position is safer and has a reliable avoidance effect.
[0021] Preferably, a second sealing fitting groove is provided between the sealing stop fitting boss 5 and the outer cylindrical surface of the pipeline connection main structure 2, and sealing fitting is performed from another direction to achieve a combined effect of multiple sealing fittings, thereby ensuring that the sealing assembly of the outer wall tube is safer and more reliable during use.
[0022] Preferably, an assembly guide avoidance chamfer is provided at the outer edge of the pipeline connection main structure 2, so that the initial fitting and installation of the outer wall pipe during insertion is smoother and the operation during fitting is more convenient.
[0023] The above is a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements or substitutions can be made without departing from the principles of the present invention. These improvements or substitutions should also be regarded as the protection scope of the present invention.
Claims
1. A double-layer tube splicing inner tube, characterized in that: The invention comprises a cylindrical main body matching stop column (1), wherein the center positions of the end faces on both sides of the main body matching stop column (1) are respectively provided with an integrally formed cylindrical pipe connection main body structure (2), the interior of the pipe connection main body structure (2) is a cylindrical main body conveying channel (3), the outer cylindrical surface of the pipe connection main body structure (2) is provided with a fastening combination thread groove (4), the connecting position between the pipe connection main body structure (2) and the main body matching stop column (1) is provided with an integrally formed and circumferentially evenly distributed conical sealing stop matching boss (5), a sealing stable matching groove (6) is formed between two adjacent sealing stop matching bosses (5), and a sealing matching installation groove is formed between the sealing stop matching boss (5) and the end face of the main body matching stop column (1).
2. A double-layer tube splicing inner tube according to claim 1, characterized in that: Conical avoidance safety surfaces are respectively provided at the edge positions of the end surfaces on both sides of the main body that cooperate with the stop column (1).
3. The double-layer tube splicing inner tube according to claim 1, characterized in that: A second sealing matching groove is provided between the sealing stop matching boss (5) and the outer cylindrical surface of the pipeline connection main structure (2).
4. The double-layer tube splicing inner tube according to claim 1, characterized in that: An assembly guide avoidance chamfer is provided at the outer edge of the pipeline connection main body structure (2).