Steel pipe connecting structure
By designing a steel pipe connection structure and utilizing components such as fixing rings, connecting rings, and locking devices, the problem of ensuring coaxiality during welding was solved, achieving stable connection and sealing, and improving pipeline transportation efficiency.
Patent Information
- Application Number
- CN202423271830.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-30
AI Technical Summary
In existing technologies, it is difficult to ensure coaxiality in pipe welding connections, resulting in poor welding effects and affecting the sealing of pipe connections and the efficiency of media transportation.
A steel pipe connection structure was designed, including components such as a fixing ring, a connecting ring, a sliding rod, a cam, and a telescopic rod. By adjusting the components and locking device, steel pipes of different sizes can be fixed and locked to ensure the stability of the connection.
It achieves stable connection of steel pipes of different sizes, prevents loosening and leakage, and improves the sealing performance of pipeline connections and the efficiency of media transportation.
Smart Images
Figure CN223524678U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of pipeline connection, and specifically relates to a steel pipe connecting structure. BACKGROUND
[0002] Pipeline is a common structure in people's daily life and is widely used in water heating, oil and gas transportation. Since the length of the pipeline is easily affected by the external environment, the operator needs to splice the pipelines of different lengths and diameters to meet the relevant requirements.
[0003] In the prior art, the pipelines are usually connected by welding, the inner cavities of the two pipelines are spliced, the sealing property of the pipeline is ensured, and the normal use of the pipeline is ensured to transport the relevant medium.
[0004] By means of welding, the coaxiality of the pipeline is difficult to ensure, and in the welding process, the welding effect is poor, the connection between the pipelines is affected, and the effect of transporting the relevant medium is poor. UTILITY MODEL CONTENTS
[0005] I) Technical problem solved
[0006] The utility model aims at making up for the shortage of the prior art and provides a steel pipe connecting structure.
[0007] II) Technical scheme
[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a steel pipe connecting structure comprising a fixing ring, characterized in that coaxial connecting rings are arranged at both ends of the fixing ring, and the connecting rings can slide along the axis direction of the fixing ring.
[0009] An insertion slot is coaxially arranged on the end face of the connecting ring away from the fixing ring.
[0010] Both sides of the axis direction of the connecting ring are provided with:
[0011] A fixed pipe is rotationally connected with the connecting ring.
[0012] A sliding rod is arranged in the fixed pipe and slides along the fixed pipe, and an installation slot is arranged on the end face of the sliding rod close to the steel pipe.
[0013] An abutting block is arranged in the installation slot and slides along the axis direction of the steel pipe.
[0014] A cam is arranged in the installation slot and rotates along the sliding rod, and the side wall of the cam is attached to the abutting block.
[0015] A telescopic rod is connected with the abutting block at one end and is provided with an abutting plate at the other end.
[0016] Further, the mounting groove is also provided with a spring, an axis direction of the spring is parallel to the steel pipe axis, and two ends of the spring are connected with the abutting block and the connecting ring respectively.
[0017] Further, the end of the sliding rod is provided with:
[0018] A plurality of mounting rings form an annular area along the outer periphery of the sliding rod and surround the steel pipe;
[0019] Rotary bolts are arranged at intervals along the mounting ring, and the rotary bolts and the mounting ring are threadedly connected;
[0020] A fitting plate is rotationally connected with the rotary bolt.
[0021] Further, the fixing ring is provided with:
[0022] A fixing frame is fixedly connected with the fixing ring;
[0023] An adjusting bolt is threadedly connected with the fixing frame;
[0024] An adjusting piece is rotationally connected with the adjusting bolt, and the side wall of the adjusting piece is fitted on two adjacent connecting rings.
[0025] Further, the plug-in groove is provided with a fitting pad, and the fitting pad is fixedly connected with the connecting ring.
[0026] Further, the cross section of the plug-in groove is a V-shaped structure.
[0027] Further, the abutting plate is provided with a friction pad away from the end of the telescopic rod.
[0028] III) Beneficial effects:
[0029] Compared with the prior art, the steel pipe connecting structure has the beneficial effects that:
[0030] I. The locking device can fix steel pipes of different sizes at corresponding positions of the connecting ring, lock the steel pipes, prevent loosening between the pipes and the connecting ring, and cause leakage of the contents, thereby completing the connection between the two pipes.
[0031] II. The adjusting assembly can further adjust the distance between the two connecting rings, and prevent the distance between the two connecting rings from changing, thereby preventing displacement of the connecting ring. BRIEF DESCRIPTION OF DRAWINGS
[0032] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.
[0033] Figure 2 It is the sliding groove structure schematic view in the utility model;
[0034] Figure 3 It is the locking device structure schematic view in the utility model;
[0035] Figure 4 It is the abutting piece structure schematic view in the utility device.
[0036] In the drawing: 1, fixed device;11, fixed ring;12, sliding groove;13, connecting ring;14, avoiding groove;15, adjusting assembly;151, fixed frame;152, adjusting bolt;153, adjusting piece;16, plug-in slot;17, fit pad;2, locking device;21, connecting assembly;211, fixed tube;212, sliding rod;213, jackscrew;22, installation groove;23, spring;24, abutting block;25, cam;251, rotating handle;26, abutting assembly;261, telescopic rod;262, abutting plate;263, friction pad;264, protrusion;27, locking assembly;271, support rod;272, mounting ring;273, connecting plate;274, locking bolt;28, abutting piece;281, rotating bolt;282, fit plate;283, contact pad. DETAILED DESCRIPTION
[0037] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0038] As Figures 1-4 Indicated, the utility model provides a technical scheme: a steel pipe connecting structure, including fixed device 1 and locking device 2.
[0039] Referring to Figure 1 And Figure 2 , fixed device 1 includes fixed ring 11, and the fixed ring 11 is placed between two steel pipes to be connected. In the embodiment, the fixed ring 11 is coaxially arranged with the steel pipe. In the embodiment, the fixed ring 11 is preferably a hollow ring, and the outer wall of the fixed ring 11 is provided with a plurality of sliding grooves 12 at both ends. The plurality of sliding grooves 12 are evenly distributed in the circumferential direction along the axis direction of the fixed ring 11. The long side direction of the sliding groove 12 is parallel to the axis direction of the fixed ring 11. The inner cavity of each sliding groove 12 is provided with a sliding block, and the sliding block can slide in the long side direction of the sliding groove.
[0040] Referring to Figure 1The fixing device 1 further comprises two connecting rings 13. In this embodiment, two connecting rings 13 are provided, and the two connecting rings 13 are respectively located at two ends of the fixing ring 11. The connecting ring 13 is sleeved on the fixing ring 11 and is fixedly connected with the sliding block, so that the connecting ring 13 can slide along the axis direction of the fixing ring 11.
[0041] With reference to Figure 1 The middle part of the fixing ring 11 is provided with a plurality of avoiding grooves 14, and a plurality of adjusting assemblies 15 are uniformly distributed along the axis direction of the fixing ring 11.
[0042] With reference to the drawings, one adjusting assembly 15 is provided corresponding to each avoiding groove 14. The adjusting assembly 15 comprises a fixing frame 151, an adjusting bolt 152 and an adjusting piece 153. In this embodiment, the fixing frame 151 is preferably an L-shaped frame. The adjusting bolt 152 is arranged in the fixing frame 151, and the axis direction of the adjusting bolt 152 is perpendicular to the axis direction of the fixing ring 11. The adjusting bolt 152 is threadedly connected with the fixing frame 151. In this embodiment, the adjusting piece 153 is preferably a cone, and the large end of the adjusting piece 153 is attached to the adjusting bolt 152. The adjusting piece 153 is coaxially fixedly connected with the adjusting bolt 152 by means of screwing. The avoiding groove 14 is used for accommodating the adjusting piece 153, and the side wall of the adjusting piece 153 is attached to the side wall of the connecting ring 13.
[0043] The operator rotates the rotating adjusting bolt 152 to drive the adjusting piece 153 to rotate. The side wall of the adjusting piece 153 is in contact with the side wall of the connecting ring 13, so that the distance between the two connecting rings 13 can be adjusted, and the two connecting rings 13 can be connected with the steel pipe.
[0044] With reference to Figure 1 The end of the connecting ring 13 away from the fixing ring 11 is provided with a plug-in groove 16. In this embodiment, the plug-in groove 16 is preferably an annular groove, and the cross section of the plug-in groove 16 along the axis direction of the connecting ring 13 is preferably a V-shaped groove. The inner cavity of the connecting groove is provided with an attaching pad 17. In this embodiment, the attaching pad 17 is preferably a V-shaped pad. The outer wall of the attaching pad 17 is attached to the side wall of the plug-in groove 16, and the attaching pad 17 is fixedly connected with the connecting ring 13 by means of screwing.
[0045] The provision of the plug-in groove 16 can connect the steel pipe and prevent the steel pipe from sliding to cause leakage of the related materials in the steel pipe.
[0046] With reference to Figure 1 and Figure 3The locking device 2 is provided with two, and the two locking devices 2 are respectively located at both ends of the axis direction of the connecting ring 13. The locking device 2 comprises a connecting assembly 21, and the connecting assembly 21 comprises a fixed tube 211 and a sliding rod 212. The fixed tube 211 is preferably a hollow circular tube, and the fixed tube 211 is rotationally connected with the connecting ring 13 in a manner of being connected with the hinged seat, wherein the rotation axis of the fixed tube 211 is horizontal and perpendicular to the axis direction of the connecting ring 13. The sliding rod 212 is arranged in the inner cavity of the fixed tube 211 and can slide along the axis direction of the fixed tube 211. The sliding rod 212 is provided with a jackscrew 213, and the jackscrew 213 is located at one end of the sliding rod 212 close to the fixed tube 211. The jackscrew 213 is threadedly connected with the fixed tube 211, and the jackscrew 213 abuts against the side wall of the sliding rod 212 after penetrating through the fixed tube 211.
[0047] The operator can fix the distance between the sliding rod 212 and the fixed tube 211 by rotating the jackscrew 213.
[0048] With reference to Figure 1 and Figure 3 , the end face of the sliding rod 212 close to the steel pipe is provided with a mounting groove 22, and the inner cavity of the mounting groove 22 is provided with a spring 23, an abutting block 24 and a cam 25. The abutting block 24 can slide along the long side direction of the mounting groove 22. The abutting block 24, the spring 23 and the cam 25 are sequentially arranged along the long side direction of the mounting groove 22 and away from the connecting ring 13. The extension direction of the spring 23 is parallel to the long side direction of the mounting groove 22. The two ends of the spring 23 are fixedly connected with the abutting block 24 and the sliding rod 212 respectively. The cam 25 rotates along the mounting groove 22 through a rotating shaft, wherein the rotating axis of the cam 25 is consistent with the opening direction of the mounting groove 22. The side wall of the cam 25 always abuts against the side wall of the abutting block 24, and the cam 25 can make the abutting block 24 slide along the mounting groove 22.
[0049] With reference to Figure 1 and Figure 3 , the cam 25 is provided with a rotating handle 251, and the rotating handle 251 is located at the end face of the cam 25 away from the mounting groove 22. The rotating handle 251 is coaxially fixedly connected with the cam 25 in a manner of being fixed by a screw.
[0050] The rotating handle 251 is arranged to facilitate the operator to rotate the cam 25.
[0051] With reference to Figure 1 and Figure 3The end face of the abutting block 24 close to the end face of the steel pipe is provided with an abutting assembly 26, the abutting assembly 26 comprises a telescopic rod 261 and an abutting plate 262, in the embodiment, the telescopic direction of the telescopic rod 261 is parallel to the opening direction of the mounting groove 22, the outer shell of the telescopic rod 261 is fixedly connected with the abutting block 24 by screwing, the abutting plate 262 is fixedly connected with the telescopic end of the telescopic rod 261 by screwing, the end face of the abutting plate 262 away from the telescopic rod 261 is arc-shaped, and the long edge direction of the arc shape is parallel to the long edge direction of the mounting groove 22,
[0052] With reference to Figure 1 and Figure 3 The end face of the abutting plate 262 away from the telescopic rod 261 is provided with a friction pad 263, the friction pad 263 is fixedly connected with the abutting plate 262 by screwing, the end face of the friction pad 263 away from the abutting plate 262 is provided with a plurality of protrusions 264, the protrusions 264 are consistent with the material of the friction pad 263, and are all selected from flexible rubber material.
[0053] The end of the friction pad 263 is always attached to the side wall of the pipeline, the operator can adjust the position of the friction pad 263 relative to the sliding rod 212 by rotating the cam 25 to drive the abutting block 24 to slide along the mounting groove 22, and lock the position of the steel pipe by the friction pad 263.
[0054] With reference to Figure 1 and Figure 2 The end of the sliding rod 212 away from the fixed pipe 211 is provided with a locking assembly 27, the locking assembly 27 comprises a supporting rod 271 and a mounting ring 272, the long edge direction of the supporting rod 271 points to the axis direction of the steel pipe, and the supporting rod 271 is fixedly connected with the sliding rod 212 by screwing, in the embodiment, the mounting rings 272 in the two locking devices 2 jointly enclose a hollow ring, and the steel pipe is arranged in the ring.
[0055] With reference to Figure 1 and Figure 2 Both ends of the mounting ring 272 are provided with a connecting plate 273, the connecting plates 273 on the same side of the two mounting rings 272 are attached to each other, the connecting plate 273 of any one of the two mounting rings 272 is provided with a locking bolt 274, the locking bolt 274 is arranged in the two attached connecting plates 273 in sequence, and is threadedly connected with the two connecting plates 273.
[0056] With reference to Figure 1 and Figure 4The inner wall of the mounting ring 272 is provided with a plurality of abutting members 28 at intervals, the abutting members 28 comprising a rotating bolt 281 and a fitting plate 282, the axis of the rotating bolt 281 coinciding with the radial direction of the pipe body, the rotating bolt 281 being threadedly connected with the mounting ring 272, and the fitting plate 282 being located in the inner cavity of the mounting ring 272 and being rotationally connected with the rotating bolt 281.
[0057] With reference to Figure 1 and Figure 4 , the end face of the fitting plate 282 away from the rotating bolt 281 is provided with a flexible contact pad 283.
[0058] The operator rotates the rotating bolt 281 to drive the fitting plate 282 to approach the steel pipe until the fitting plate 282 is fitted to the side wall of the steel pipe, thereby completing the positioning of the steel pipe.
[0059] The implementation principle of the steel pipe connecting structure is that the operator first places the fixing ring 11 between the two pipes to be connected, then rotates the adjusting bolt 152 to drive the adjusting member 153 to rotate, the adjusting member 153 contacts with the connecting ring 13 and drives the connecting ring 13 to slide away from each other until the pipes are clamped in the insertion slot 16.
[0060] Then the operator slides the sliding rod 212 to the appropriate position, rotates the cam 25 to drive the friction pad 263 to fit to the side wall of the pipe, and fixes the pipe in the insertion slot 16 as much as possible. Rotate the rotating bolt 281 to drive the fitting plate 282 to fit to the pipe, thereby completing the connection of the two adjacent pipes.
Claims
1. A steel pipe connecting structure comprising a fixing ring (11), characterized by, The fixed ring (11) is coaxially provided with a connecting ring (13) at both ends, and the connecting ring (13) can slide along the axis direction of the fixed ring (11); The end surface of the connecting ring (13) away from the fixed ring (11) is coaxially provided with a plug-in slot (16); The connecting ring (13) is provided with: A fixed tube (211) is rotatably connected with the connecting ring (13); A sliding rod (212) is arranged in the fixed tube (211) and slides along the fixed tube (211), and an installation slot (22) is arranged on the end surface of the sliding rod (212) close to the steel pipe; An abutting block (24) is arranged in the installation slot (22) and slides along the axis direction of the steel pipe; A cam (25) is arranged in the installation slot (22) and rotates along the sliding rod (212), and the side wall of the cam (25) is attached to the abutting block (24); A telescopic rod (261) is connected with the abutting block (24) at one end and is provided with an abutting plate (262) at the other end.
2. A steel pipe connecting structure according to claim 1, characterized by A spring (23) is further arranged in the installation slot (22), the axis direction of the spring (23) is parallel to the axis direction of the steel pipe, and the two ends of the spring (23) are respectively connected with the abutting block (24) and the connecting ring (13).
3. A steel pipe connecting structure according to claim 1, characterized by The end of the sliding rod (212) is provided with: A plurality of installation rings (272) are arranged along the outer periphery of the sliding rod (212) to form an annular area and surround the steel pipe; A plurality of rotating bolts (281) are arranged at intervals along the installation ring (272), the rotating bolts (281) are threadedly connected with the installation ring (272), and a matching plate (282) is arranged in the installation ring (272) and is rotatably connected with the rotating bolts (281). The fixed ring (11) is provided with:
4. A steel pipe connecting structure according to claim 1, characterized by A fixed frame (151) is fixedly connected with the fixed ring (11); An adjusting bolt (152) is threadedly connected with the fixed frame (151); An adjusting part (153) is rotatably connected with the adjusting bolt (152), and the side wall of the adjusting part (153) is attached to the two adjacent connecting rings (13). The plug-in slot (16) is provided with a matching pad (17), and the matching pad (17) is fixedly connected with the connecting ring (13).
5. A steel pipe connecting structure according to claim 1, characterized by The cross section of the plug-in slot (16) is a V-shaped structure.
6. A steel pipe connecting structure according to claim 1, characterized by The end of the abutting plate (262) away from the telescopic rod (261) is provided with a friction pad (263).
7. A steel pipe connecting structure according to claim 1, wherein