Seamless stainless steel pipe with quick connector

Abstract

The utility model relates to a seamless stainless steel pipe with a quick connector, which is provided with a pipe body, the pipe body comprises a main pipe body, a first pipe body and a second pipe body, the outer diameter of the first pipe body is smaller than that of the main pipe body, the outer diameter of the second pipe body is smaller than that of the first pipe body, and the first pipe body is provided with a slot; the inner wall of the insertion groove is provided with a plurality of leaning groups, each leaning group is provided with a plurality of leaning assemblies, each leaning assembly comprises a leaning groove, a positioning shaft and a locking plate, each locking plate is provided with a positioning hole, each positioning shaft is sleeved with a torsional spring, the outer wall of the second pipe body is provided with a locking groove, the outer wall of the second pipe body is sleeved with a leaning sleeve, and each leaning sleeve is provided with a clamping groove. A connecting groove is formed by the pipe body and the pressing sleeve, a connecting sleeve is arranged at the left end of the pressing sleeve, a through groove is formed in the right end face of the pipe body, a compressed spring is arranged in the through groove, and the adjacent pipe bodies are connected in an inserted mode through inserting matching of the first pipe body and the connecting groove and inserting matching of the second pipe body and the inserting groove. The device is ingenious in structure, convenient and practical.

Description

Technical Field

[0001] The utility model relates to the field of seamless stainless steel pipes, in particular to a seamless stainless steel pipe with a quick connector. Background Art

[0002] Stainless steel pipe is a hollow, long, round steel bar widely used in industrial pipelines and mechanical components in the petroleum, chemical, medical, food, light industry, and instrumentation industries. Furthermore, its light weight, while maintaining the same bending and torsional strength, makes it widely used in the manufacture of mechanical parts and engineering structures, and is also commonly used in furniture and kitchenware.

[0003] In the prior art, during the use of stainless steel pipes, in order to adapt to the requirements of the use environment and scenarios, multiple stainless steel pipes need to be connected before use. The existing connection method is generally through welding. However, on the one hand, welding is prone to rust or corrosion due to environmental factors, affecting the overall sealing. On the other hand, the connected stainless steel pipes are fixed to each other, and a lot of manpower and material resources are required for disassembly during the disassembly process, which is very inconvenient. Summary of the Invention

[0004] The purpose of the utility model is to provide a seamless stainless steel pipe with a quick connector, which has an ingenious structure and can realize fast and efficient connection between various stainless steel pipes, and is convenient and practical.

[0005] The technical solution for achieving the purpose of the utility model is: the utility model has a tube body, which includes a main tube body, a first tube body arranged on the left side of the main tube body, and a second tube body arranged on the right side of the main tube body, the first tube body and the second tube body are both integrally formed with the main tube body and connected, the outer diameter of the first tube body is smaller than the outer diameter of the main tube body, the outer diameter of the second tube body is smaller than the outer diameter of the first tube body, the first tube body is provided with a slot for the second tube body to be inserted; the inner wall of the slot is provided with a plurality of pressure groups evenly distributed along the axis of the first tube body, each pressure group is provided with a plurality of pressure components distributed on the inner wall of the slot along the circumference of the axis of the first tube body, the pressure component includes a pressure groove arranged on the inner wall of the slot, a positioning shaft fixed on the pressure groove, and a locking plate rotatably connected to each positioning shaft, each locking plate is provided with a positioning hole for the positioning shaft to pass through, and each positioning shaft is sleeved with a torsion spring, and the two ends of the torsion spring are respectively connected to the positioning hole and the positioning hole The lock socket is connected to the first socket and the second socket is connected to the socket.

[0006] Furthermore, a limiting ring block is provided on the end surface of the connecting sleeve away from the pressure sleeve, and a ring groove is provided in the through groove, which is coaxial with the main pipe body. The limiting ring block is slidably set in the ring groove, and the compression spring is set in the ring groove. The two ends of the compression spring are fixedly connected to the bottom of the ring groove and the limiting ring block. The connecting sleeve drives the connecting sleeve to slide and connect to the second pipe body by continuously applying force to the limiting ring block by the compression spring.

[0007] Furthermore, the above-mentioned lock groove is provided with a transition arc surface, a guide slope, and a stop surface arranged perpendicular to the guide slope. Each lock plate passes through the transition arc surface and the guide slope in turn and is pressed against the stop surface through the continuous force of the torsion spring and the pressure of the pressing sleeve on the first tube body.

[0008] Furthermore, a sealing gasket is fixedly provided at the bottom of the connecting groove. The sealing gasket is coaxially arranged with the second tube body and sleeved on the outer wall of the second tube body.

[0009] Furthermore, the inner wall of the above-mentioned pressure sleeve is provided with a plurality of auxiliary pressure groups uniformly distributed on the inner wall of the pressure sleeve along the axis of the pressure sleeve, and the auxiliary pressure group includes a plurality of auxiliary locking components distributed on the inner wall of the pressure sleeve along the circumference of the axis of the pressure sleeve, and the auxiliary locking component includes an auxiliary slide groove arranged on the inner wall of the pressure sleeve, an auxiliary lock ball slidably arranged in each auxiliary slide groove, and a return spring arranged in each auxiliary slide groove, the extension direction of each auxiliary slide groove is arranged perpendicular to the axis of the pressure sleeve, and the two ends of each return spring are respectively fixedly connected to the bottom of the auxiliary slide groove and the auxiliary lock ball, and a ball groove corresponding to each auxiliary lock ball is provided on the outer wall of the first tube body. After the first tube body is plugged into the connecting groove on the adjacent tube body, each auxiliary lock ball is stuck in the corresponding ball groove through the continuous force of the return spring.

[0010] The present invention has positive effects: (1) The present invention provides a slot on the first tube body to facilitate the insertion of the second tube body on the adjacent tube body. After the first tube body and the second tube body are inserted, the lock plate enters the lock slot through the continuous force of the torsion spring, and then the pressure sleeve applies pressure to the first tank body through the continuous force of the compression spring. While the lock plate is under pressure on the first tube body, it is also under pressure to the right, so that the lock plate is more firmly pressed in the lock slot. At the same time, when disassembling, the tube bodies can be separated by simply pushing and rotating the pressure sleeve to the left. On the one hand, it solves the problem of the complicated installation, connection and disassembly of the tube bodies in the prior art. On the other hand, the firm connection between the adjacent tube bodies is effectively guaranteed by the cooperation between the lock plate and the lock slot, and the pressure of the compression spring on the pressure sleeve. The structure is ingenious and convenient and practical.

[0011] (2) The present invention provides a limiting ring block on the connecting sleeve, a ring groove on the side of the main body, and a compression spring in the ring groove. On the one hand, it can effectively prevent the connecting sleeve from being separated from the main body and limit the sliding of the limiting ring block. On the other hand, it can also guide the sliding of the pressing sleeve to ensure that the pressing sleeve can stably and firmly press the end face of the first tank body. It is convenient and practical.

[0012] (3) The utility model provides a lock groove with a transition arc surface, a guide arc surface and a stop surface. When the tube bodies are disassembled, the protruding transition arc surface can provide a guide for unlocking the lock plate, so that the lock plate can be separated from the lock groove more quickly, which not only ensures the tightness and firmness of the lock plate and the lock groove, but also ensures high efficiency and convenience when unlocking.

[0013] (4) The utility model provides a sealing gasket at the bottom of the connecting groove. After the second tube body is connected and pressed against the pressing sleeve, the sealing gasket ensures the sealing of the connection between the second tube body and the pressing sleeve, and between the second tube body and the first tube body. The utility model is safe and practical.

[0014] (5) The present invention further ensures the stability and firmness of the connection between the first tube body and the second tube body by arranging an auxiliary locking assembly on the inner wall of the pressing sleeve, and by the continuous force applied to the auxiliary locking ball by the reset spring, and the cooperation between the lock plate and the lock groove. At the same time, it can also avoid axial or radial jump and offset between the first tube body and the second tube body, thereby ensuring the overall stability and convenience and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to make the content of the present invention more clearly understood, the present invention is further described in detail below based on specific embodiments and in conjunction with the accompanying drawings, wherein

[0016] Figure 1 This is a cross-sectional view of the overall structure of a seamless stainless steel pipe with a connector in the present invention;

[0017] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0018] Figure 3 It is a cross-sectional view of the connection structure of the first tube body and the second tube body on adjacent tube bodies in the present invention;

[0019] Figure 4 for Figure 3 Enlarged view of point B in the middle;

[0020] Figure 5 It is a cross-sectional view of the overall structure of the first tube body in the present utility model;

[0021] Figure 6 for Figure 5 Enlarged view of point C in the middle;

[0022] Figure 7 It is a cross-sectional view of the overall structure of the pressure sleeve in the present invention. DETAILED DESCRIPTION

[0023] See Figures 1 to 7The utility model has a tube body, which includes a main tube body 1, a first tube body 2 arranged on the left side of the main tube body 1, and a second tube body 3 arranged on the right side of the main tube body 1. The first tube body 2 and the second tube body 3 are both integrally formed with the main tube body 1 and are connected. The outer diameter of the first tube body 2 is smaller than the outer diameter of the main tube body 1, and the outer diameter of the second tube body 3 is smaller than the outer diameter of the first tube body 2. The first tube body 2 is provided with a slot 21 for inserting the second tube body 3; the inner wall of the slot 21 is provided with a plurality of evenly distributed along the axis of the first tube body 2. The pressure group, each of which is provided with a plurality of pressure components 5 distributed on the inner wall of the slot 21 along the axis of the first tube body 2, the pressure component 5 includes a pressure groove 51 provided on the inner wall of the slot 21, a positioning shaft 53 fixed on the pressure groove 51, and a locking plate 52 rotatably connected to each positioning shaft 53, each locking plate 52 is provided with a positioning hole 54 for the positioning shaft 53 to pass through, each positioning shaft 53 is sleeved with a torsion spring 55, and the two ends of the torsion spring 55 are fixedly connected to the positioning hole 54 and the positioning shaft 53 respectively. , the outer wall of the second tube body 3 is provided with a locking groove 31 corresponding to each locking plate 52, and the outer wall of the second tube body 3 is provided with a pressing sleeve 4 with an opening to the right, the pressing sleeve 4 and the second tube body 3 are coaxially arranged, and the outer wall of the tube body and the inner wall of the pressing sleeve 4 form a connecting groove 6 for the first tube body 2 on the adjacent tube body to be inserted, and each locking groove 31 is arranged in the connecting groove 6, and the left end of the pressing sleeve 4 is provided with a connecting sleeve 42 coaxially arranged with the pressing sleeve 4, and the right end surface of the main body 1 is provided with a A through slot is set on the shaft, and a compression spring 12 is provided in the through slot coaxially with the main pipe body 1. The two ends of the compression spring 12 act on the through slot and the connecting sleeve 42 respectively. The adjacent pipe bodies are plugged into each other through the plug-in fit of the first pipe body 2 and the connecting groove 6, and the plug-in fit of the second pipe body 3 and the slot 21, and are fixedly connected by the continuous force applied by the torsion spring 55 to the locking plate 52, the pressing fit between the locking plate 52 and the locking groove 31, the continuous force applied by the compression spring 12 to the connecting sleeve 42, and the pressing of the pressing sleeve 4 on the end face of the first pipe body 2.

[0024] A limiting ring block 43 is provided on the end surface of the connecting sleeve 42 away from the pressing sleeve 4, and a ring groove 11 is provided in the through groove, which is coaxial with the main pipe body 1. The limiting ring block 43 is slidably set in the ring groove 11, and the compression spring 12 is set in the ring groove 11. The two ends of the compression spring 12 are fixedly connected to the bottom of the ring groove 11 and the limiting ring block 43. The connecting sleeve 42 is driven to slide and be connected to the second pipe body 3 by the continuous force applied by the compression spring 12 to the limiting ring block 43.

[0025] The lock groove 31 is provided with a transition arc surface 311, a guide inclined surface 312, and a stop surface 313 arranged perpendicular to the guide inclined surface 312. Each lock plate 52 is pressed against the stop surface 313 after passing through the transition arc surface 311 and the guide inclined surface 312 in sequence through the continuous force applied by the torsion spring 55 and the pressure of the pressing sleeve 4 on the first tube body 2.

[0026] A sealing gasket 41 is fixedly provided at the bottom of the connecting groove 6 . The sealing gasket 41 is coaxially arranged with the second tube body 3 and sleeved on the outer wall of the second tube body 3 .

[0027] When the cam 72 is in the closed position, the locking cam 72 is in the closed position, and the locking cam 72 is in the closed position, so that the cam 72 can be locked.

[0028] Working principle of the present invention: During the connection process of each tube body in the present invention, the first tube body 2 is inserted into the connecting groove 6 on the adjacent tube body and then connected to the second tube body 3 on the adjacent tube body. The second tube body 3 is connected to the first tube body 2 by plugging into the slot 21, thereby realizing the mutual plugging of the first tube body 2 and the second tube body 3 on the adjacent tube bodies. During the insertion of the first tube body 2 into the connecting groove 6, the second tube body 3 is pressed against the left end face of the main tube body 1, and each compression spring 12 applies force to the connecting sleeve 42, and the connecting sleeve 42 drives the pressing sleeve 4 to press against the left end face of the main tube body 1 on the adjacent tube body;

[0029] When the second tube body 3 is plugged into the first tube body 2, each locking plate 52 enters the locking groove 31 through the continuous force of the torsion spring 55 and is firmly pressed against the locking groove 31. After the second tube body 3 on the main body 1 and the first tube body 2 on the adjacent main body 1 are plugged into each other, the pressing sleeve 4 continuously presses the limiting ring block 43 through the compression spring 12 to test the second tube body 3, thereby further clamping the locking plate 52 in the locking groove 31. After the first tube body 2 and the pressing sleeve 4 are connected, the pressing sleeve 4 and the first tube body 2 are sealed by the sealing gasket 41. When each locking plate 52 enters the locking groove 31, the auxiliary locking ball 73 in each auxiliary slide groove 71 extends into the corresponding ball groove 22 under the continuous action of the return spring 72, which can not only ensure the stability and firmness of the connection between the pressing sleeve 4 and the first tube body 2, but also ensure the stability of the connection between the first tube body 2 and the second tube body 3, and also prevent the first tube body 2 and the second tube body from being locked. 3, axial or radial offset occurs between them, further ensuring the stability of the connection between each pipe body, and during the disassembly process, the operator only needs to push the pressing sleeve 4, and after overcoming the pressure of the pressing sleeve 4, each auxiliary locking ball 73 is disengaged from the ball groove 22, and each locking plate 52 is disengaged from the locking groove 31, and after disengagement, the operator can rotate the two adjacent main pipe bodies 1 so that each locking plate 52 will no longer enter the locking groove 31, and at the same time, each auxiliary locking ball 73 will no longer enter the ball groove 22, thereby smoothly disengaging the first pipe body 2 from the second pipe body 3, and the pressing sleeve 4, thereby realizing rapid installation and disassembly between each pipe body, effectively solving the problem of cumbersome installation and disassembly between each stainless steel pipe in the prior art, greatly improving the rapid installation and disassembly between each stainless steel pipe, and the overall stability of the stainless steel pipes after rapid connection, with a clever structure, stability and practicality.

[0030] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A seamless stainless steel pipe with a quick connector, comprising a pipe body, the pipe body comprising a main pipe, a first pipe disposed on the left side of the main pipe, and a second pipe disposed on the right side of the main pipe, the first pipe body and the second pipe body being integrally formed with and communicating with the main pipe, the outer diameter of the first pipe body being smaller than that of the main pipe body, the outer diameter of the second pipe body being smaller than that of the first pipe body, and the first pipe body being provided with a slot for inserting the second pipe body; characterized in that: The inner wall of the slot is provided with a plurality of pressure groups evenly distributed along the axis of the first tube body, and each pressure group is provided with a plurality of pressure components distributed on the inner wall of the slot along the circumference of the axis of the first tube body, and the pressure component includes a pressure groove arranged on the inner wall of the slot, a positioning shaft fixed on the pressure groove, and a locking plate rotatably connected to each positioning shaft, each locking plate is provided with a positioning hole for the positioning shaft to pass through, each positioning shaft is sleeved with a torsion spring, and the two ends of the torsion spring are respectively fixedly connected to the positioning hole and the positioning shaft, a locking groove corresponding to each locking plate is provided on the outer wall of the second tube body, and a pressure sleeve opening to the right is sleeved on the outer wall of the second tube body, and the pressure sleeve is coaxially arranged with the second tube body, and the tube body The outer wall and the inner wall of the pressing sleeve form a connecting groove for the first tube body on the adjacent tube body to be inserted, and each locking groove is arranged in the connecting groove, and the left end of the pressing sleeve is provided with a connecting sleeve coaxially arranged with the pressing sleeve, and the right end surface of the main body is provided with a through groove coaxially arranged with the main body, and a compression spring coaxially arranged with the main body is provided in the through groove, and the two ends of the compression spring act on the through groove and the connecting sleeve respectively. The adjacent tube bodies are plugged into each other through the plug-in cooperation between the first tube body and the connecting groove, and the plug-in cooperation between the second tube body and the slot, and are fixedly connected by the continuous force applied by the torsion spring to the lock plate, the pressing cooperation between the lock plate and the lock groove, the continuous force applied by the compression spring to the connecting sleeve, and the pressing of the pressing sleeve to the end face of the first tube body.

2. The seamless stainless steel pipe with a quick connector according to claim 1, characterized in that: A limiting ring block is provided on the end surface of the connecting sleeve away from the pressing sleeve, and the connecting sleeve is coaxially arranged with the connecting sleeve. A ring groove is provided in the through groove, and the limiting ring block is slidably arranged in the ring groove. The compression spring is arranged in the ring groove, and the two ends of the compression spring are fixedly connected to the bottom of the ring groove and the limiting ring block. The connecting sleeve drives the connecting sleeve to slide and connect to the second tube body through the continuous force applied by the compression spring to the limiting ring block.

3. The seamless stainless steel pipe with a quick connector according to claim 2, characterized in that: The lock groove is provided with a transition arc surface, a guide slope, and a stop surface arranged perpendicular to the guide slope. Each lock plate passes through the transition arc surface and the guide slope in turn and is pressed against the stop surface through the continuous force of the torsion spring and the pressure of the pressing sleeve on the first tube body.

4. The seamless stainless steel pipe with a quick connector according to claim 3, characterized in that: A sealing gasket is fixedly provided at the bottom of the connecting groove. The sealing gasket is coaxially arranged with the second tube body and sleeved on the outer wall of the second tube body.

5. The seamless stainless steel pipe with a quick connector according to claim 4, characterized in that: The inner wall of the pressing sleeve is provided with a plurality of auxiliary pressing groups uniformly distributed on the inner wall of the pressing sleeve along the axis of the pressing sleeve, and the auxiliary pressing group includes a plurality of auxiliary locking components distributed on the inner wall of the pressing sleeve along the circumference of the axis of the pressing sleeve, and the auxiliary locking component includes an auxiliary slide groove arranged on the inner wall of the pressing sleeve, an auxiliary lock ball slidably arranged in each auxiliary slide groove, and a return spring arranged in each auxiliary slide groove, the extension direction of each auxiliary slide groove is arranged perpendicular to the axis of the pressing sleeve, and the two ends of each return spring are respectively fixedly connected to the bottom of the auxiliary slide groove and the auxiliary lock ball, and a ball groove corresponding to each auxiliary lock ball is provided on the outer wall of the first tube body. After the first tube body is plugged into the connecting groove on the adjacent tube body, each auxiliary lock ball is stuck in the corresponding ball groove by the continuous force of the return spring.

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