High-strength integrated stainless steel crimped straight connector
The design of the high-strength integrated stainless steel crimped straight connector solves the problems of insufficient strength, poor sealing and limited adaptability of existing pipe connection joints in the transmission of high-pressure corrosive media, and realizes efficient, stable and convenient installation and maintenance of pipe connections.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- QINGDAO UNITE MASCH CO LTD
- Filing Date
- 2025-08-19
- Publication Date
- 2026-06-12
AI Technical Summary
Existing pipe connection joints suffer from insufficient connection strength, poor sealing, difficulty in disassembly and maintenance, and limited adaptability in high-pressure and corrosive media transmission scenarios. In particular, traditional flange connections are prone to loosening, threaded connections are prone to leakage, and welded joints cannot be disassembled and have poor adaptability.
It adopts a high-strength integrated stainless steel crimped straight connector, which achieves rapid pipe connection, stable fixation and multi-diameter adaptation through the combination design of hinge block, locking mechanism and clamping mechanism. Combined with rubber ring and threaded adjustment plate, it ensures sealing and connection strength.
It achieves high strength, sealing and convenience in pipe connection, adapts to rapid installation and maintenance of different pipe diameters, and improves the installation efficiency and operational reliability of industrial pipeline systems.
Smart Images

Figure CN224352576U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of crimped straight connector technology, and in particular to a high-strength integrated stainless steel crimped straight connector. Background Technology
[0002] In industrial pipeline systems, the reliability of pipeline connections directly affects production safety and efficiency, especially in high-pressure and corrosive media transmission scenarios, where stringent requirements are placed on the strength, sealing, and durability of the joints. Traditional pipeline joints mostly use flange connections, threaded connections, or welding methods, which have obvious limitations: flange connections require precise alignment of bolt holes, are cumbersome to assemble, and are prone to bolt loosening due to vibration; their sealing performance decreases over time. Threaded connections are prone to leakage under high-pressure conditions and are difficult to disassemble and maintain. Although welded joints have high strength, they cannot be disassembled again, have poor adaptability, and are prone to corrosion or cracking due to stress concentration at the weld. In addition, existing crimping joints are mostly split structures with uneven crimping pressure, which can easily lead to pipeline deformation or sealing failure, and their adaptability to different pipe diameters is limited, making it difficult to meet the diverse needs of complex industrial environments. Therefore, the development of an integrated crimping straight-through joint that combines high strength, high sealing performance, convenient installation, and wide adaptability has become an urgent need in the industry.
[0003] Existing devices require multiple bolts or flanges for connection, and precise alignment of holes is required during assembly. This results in low efficiency for installation, disassembly, and maintenance, and the connection strength is easily reduced due to vibration. The devices also have poor adaptability to pipelines, and cannot flexibly adapt to different pipe diameters through adjusting plates and clamping mechanisms. Furthermore, the pipe connection ends lack uniform clamping. Utility Model Content
[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a high-strength integrated stainless steel crimped straight connector.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A high-strength integrated stainless steel crimped straight connector includes a lower arc block, a hinge block fixedly connected to one side of the lower arc block, an upper arc block fixedly connected to one side of the hinge block, a locking mechanism fixedly connected to one side of the lower and upper arc blocks, a pull rod fixedly connected to the top of the locking mechanism, and circular ring partitions fixedly connected to both sides of the lower arc block.
[0007] As a further embodiment of this utility model: an upper arc block is movably connected inside the two circular annular partitions, two arc plates are fixedly connected inside the lower arc block and the upper arc block respectively, a circular connecting plate is fixedly connected inside the lower arc block, a connecting cylinder is fixedly connected inside the circular connecting plate, rubber rings are fixedly connected to both ends of the connecting cylinder respectively, and pipes are movably connected to both ends of the connecting cylinder and the two rubber rings around the perimeter.
[0008] As a further embodiment of this utility model: the pipe is movably connected to the inner sides of two arc plates, and a clamping mechanism is fixedly connected to the outer sides of two annular partition plates. An adjusting plate is fixedly connected to the outer sides of the two clamping mechanisms, and the pipe passes through the adjusting plate, the clamping mechanism, the rubber ring and the connecting cylinder.
[0009] As a further embodiment of this utility model: the locking mechanism includes a spherical base, a first outer shell, a first locking plate, a baffle, a movable block, a pressure spring, a round rod, a second outer shell, a fixed platform, and a second locking plate, with the first outer shell fixedly connected to one side of the lower arc block.
[0010] As a further embodiment of this utility model: the second outer shell is fixedly connected to one side of the upper arc block, the spherical base is fixedly connected to the inside of the first outer shell, the fixed platform is fixedly connected to the inside of the second outer shell, the top of the second locking plate is movably connected to the inside of the bottom of the fixed platform, the top of the first locking plate is movably connected to the inside of the bottom of the fixed platform, and the second locking plate and the first locking plate are respectively movably connected to both sides of the sphere at the top of the sphere base, and the two baffles are respectively fixedly connected to one side of the first locking plate and the second locking plate.
[0011] As a further embodiment of this utility model: the two movable blocks are respectively fixedly connected to the top of the two baffles, the two round rods are respectively fixedly connected to the top of the two movable blocks, and the two round rods pass through the fixed platform and the top of the outer shell, and the pull rod is fixedly connected to the top of the two round rods, the two pressure springs are respectively fixedly connected to the top of the two baffles, and the two pressure springs are respectively fixedly connected to the bottom of the fixed platform.
[0012] As a further embodiment of this utility model: the clamping mechanism includes a fixed cylinder, a movable cylinder, a large ring, a small ring, and a clamping plate, and the fixed cylinder is fixedly connected to one side of the ring partition plate, and the fixed cylinder has an internal thread inside, and the movable cylinder is movably connected to the inside of the fixed cylinder.
[0013] As a further embodiment of this utility model: the outer side of the movable cylinder is provided with an external thread, and the adjusting plate is fixedly connected to one side of the movable cylinder, the large ring is fixedly connected to one side of the ring partition, the small ring is fixedly connected to one side of the large ring, the four clamping plates are fixedly connected to one side of the small ring, and the four clamping plates are movably connected to the four sides of the pipe.
[0014] Compared with the prior art, this utility model provides a high-strength integrated stainless steel crimped straight connector, which has the following advantages:
[0015] 1. This high-strength integrated stainless steel crimped straight connector allows two pipes to pass through a clamping mechanism, enabling them to move around the connecting cylinder and rubber ring. A hinge block hinges the lower and upper arc blocks, with the upper arc block rotating around the hinge block to cover the lower arc block. Simultaneously, a pull rod and locking mechanism fix the lower and upper arc blocks in place. Rotating two adjusting plates then causes the clamping mechanism to operate internally, clamping and fixing the pipes. This allows the two pipes to quickly and accurately connect within the device, ensuring coaxiality of the pipe connection, preventing media transmission problems due to installation deviations, and withstanding high pressure and external impacts. It is suitable for industrial piping systems and other scenarios with stringent requirements for connection strength and sealing, improving the installation efficiency and operational reliability of the piping system.
[0016] 2. This high-strength integrated stainless steel crimped straight connector uses a ball at the top of the ball base to engage with two locking plates. A pressure spring, through a baffle and a movable block, ensures that the locking plates hold the ball firmly, thus connecting and fixing the lower and upper arc blocks. Opening the connector involves pulling an upward-facing rod, which moves the movable block and baffle upwards, compressing the pressure spring and separating the locking plates from the ball, allowing the upper arc block to be opened. This facilitates pipeline maintenance and replacement, achieving a balance between connection strength and ease of operation. It solves the problems of traditional connectors being difficult to disassemble and prone to loosening, improving the stability and maintenance convenience of the connector during long-term use.
[0017] 3. This high-strength integrated stainless steel crimped straight connector, by rotating the adjusting plate, the movable cylinder moves axially along the fixed cylinder due to the engagement of its external thread with the internal thread of the fixed cylinder. The movable cylinder pushes and squeezes the four clamping plates, making them fit tightly around the pipe and limiting the connection end of the pipe. This strengthens the connection strength between the pipe and the device, allowing the pipe to remain stably fixed in the connector even under conditions such as transmitting high-pressure media and frequent start-stop operations, ensuring the sealing of media transmission and the durability of the pipe connection.
[0018] The parts of this device not covered herein are the same as or can be implemented using existing technologies. This utility model has a simple structure and is easy to operate. Attached Figure Description
[0019] Figure 1 This is a front view of a high-strength integrated stainless steel crimped straight connector proposed in this utility model;
[0020] Figure 2 This is an internal structural diagram of a high-strength integrated stainless steel crimped straight connector proposed in this utility model;
[0021] Figure 3 This is an internal cross-sectional view of a high-strength integrated stainless steel crimped straight connector proposed in this utility model;
[0022] Figure 4 A cross-sectional view of the locking mechanism of a high-strength integrated stainless steel crimped straight connector proposed in this utility model;
[0023] Figure 5 An exploded view of the clamping mechanism of a high-strength integrated stainless steel crimped straight connector proposed in this utility model;
[0024] Figure 6 This is a detailed drawing of the clamping mechanism for a high-strength integrated stainless steel crimped straight connector proposed in this utility model.
[0025] In the diagram: 1. Lower arc block; 2. Locking mechanism; 3. Upper arc block; 4. Pipe; 5. Clamping mechanism; 6. Pull rod; 7. Circular ring partition; 8. Adjusting plate; 9. Arc plate; 10. Hinge block; 11. Circular ring connecting plate; 12. Connecting cylinder; 13. Rubber ring; 201. Spherical base; 202. Outer shell one; 203. Positioning plate one; 204. Baffle; 205. Movable block; 206. Pressure spring; 207. Round rod; 208. Outer shell two; 209. Fixed platform; 210. Positioning plate two; 501. Fixed cylinder; 502. Movable cylinder; 503. Large ring; 504. Small ring; 505. Clamping plate. Detailed Implementation
[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0027] In the description of this utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0028] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection or setting, a detachable connection or setting, or an integral connection or setting. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0029] A high-strength one-piece stainless steel crimped straight connector, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, it includes a lower arc block 1, a hinge block 10 fixedly connected to one side of the lower arc block 1, an upper arc block 3 fixedly connected to one side of the hinge block 10, a locking mechanism 2 fixedly connected to one side of the lower arc block 1 and the upper arc block 3, a pull rod 6 fixedly connected to the top of the locking mechanism 2, and circular partition plates 7 fixedly connected to both sides of the lower arc block 1.
[0030] Furthermore, the two circular partition plates 7 are movably connected to the interior of an upper arc block 3, and the interior of the lower arc block 1 and the upper arc block 3 are respectively fixedly connected to two arc plates 9. The interior of the lower arc block 1 is fixedly connected to a circular connecting plate 11, and the interior of the circular connecting plate 11 is fixedly connected to a connecting cylinder 12. The two ends of the connecting cylinder 12 are respectively fixedly connected to rubber rings 13, and the two ends of the connecting cylinder 12 and the two rubber rings 13 are respectively movably connected to pipes 4.
[0031] Furthermore, the pipe 4 is movably connected to the inner sides of the two arc plates 9, and the clamping mechanism 5 is fixedly connected to the outer sides of the two annular partition plates 7. The adjusting plate 8 is fixedly connected to the outer sides of the two clamping mechanisms 5, and the pipe 4 passes through the adjusting plate 8, the clamping mechanism 5, the rubber ring 13 and the connecting cylinder 12.
[0032] During operation, the two pipes 4 are passed through the clamping mechanism 5, allowing them to move around the connecting cylinder 12 and the rubber ring 13. The hinge block 10 hinges the lower arc block 1 and the upper arc block 3. The upper arc block 3 rotates around the hinge block 10 and covers the lower arc block 1. At the same time, the pull rod 6 and the locking mechanism 2 fix the lower arc block 1 and the upper arc block 3. Then, the two adjusting plates 8 are rotated to make the clamping mechanism 5 rotate internally and clamp and fix the pipes 4. In this way, the two pipes 4 can be quickly and accurately connected in the device, which not only ensures the coaxiality of the pipe connection, but also avoids the medium transmission obstruction caused by installation deviation. It can withstand high pressure and external impact, and is suitable for industrial pipeline systems and other scenarios with strict requirements for connection strength and sealing, thereby improving the installation efficiency and operational reliability of the pipeline system.
[0033] To connect and fix the lower arc block 1 and the upper arc block 3, as follows: Figure 4 As shown, the locking mechanism 2 includes a spherical base 201, a first outer shell 202, a first locking plate 203, a baffle 204, a movable block 205, a pressure spring 206, a round rod 207, a second outer shell 208, a fixed platform 209, and a second locking plate 210, with the first outer shell 202 fixedly connected to one side of the lower arc block 1.
[0034] The outer shell 208 is fixedly connected to one side of the upper arc block 3, the spherical base 201 is fixedly connected to the inside of the outer shell 202, the fixed platform 209 is fixedly connected to the inside of the outer shell 208, the top of the second locking plate 210 is movably connected to the inside of the bottom of the fixed platform 209, the top of the first locking plate 203 is movably connected to the inside of the bottom of the fixed platform 209, and the second locking plate 210 and the first locking plate 203 are respectively movably connected to the two sides of the sphere at the top of the spherical base 201, and the two baffles 204 are respectively fixedly connected to one side of the first locking plate 203 and the second locking plate 210.
[0035] Two movable blocks 205 are fixedly connected to the top of two baffles 204 respectively. Two round rods 207 are fixedly connected to the top of two movable blocks 205 respectively. The two round rods 207 pass through the top of the fixed platform 209 and the second outer shell 208. The pull rod 6 is fixedly connected to the top of the two round rods 207. Two pressure springs 206 are fixedly connected to the top of two baffles 204 respectively. The two pressure springs 206 are fixedly connected to the bottom of the fixed platform 209 respectively.
[0036] During operation, the ball at the top of the ball base 201 is inserted between the first locking plate 203 and the second locking plate 210. The pressure spring 206, through the baffle 204 and the movable block 205, tightly locks the ball in place, thus connecting and fixing the lower and upper arc blocks. When opened, the pull rod 6 is pulled upwards, and the round rod 207 moves the movable block 205 and the baffle 204 upwards. The pressure spring 206 is compressed, and the first locking plate 203 and the second locking plate 210 separate from the ball, allowing the upper arc block 3 to be opened. This facilitates the inspection and replacement of the pipeline 4, achieving a balance between connection strength and ease of operation. It solves the problems of traditional joint fixing being difficult to disassemble and easy to loosen, and improves the stability and maintenance convenience of the joint during long-term use.
[0037] To limit and lock the connection ends of the two pipes, such as Figure 5 and Figure 6 As shown, the clamping mechanism 5 includes a fixed cylinder 501, a movable cylinder 502, a large ring 503, a small ring 504, and a clamping plate 505. The fixed cylinder 501 is fixedly connected to one side of the ring partition 7, and the fixed cylinder 501 has an internal thread. The movable cylinder 502 is movably connected to the inside of the fixed cylinder 501.
[0038] The movable cylinder 502 has an external thread on its outer side, and the adjusting plate 8 is fixedly connected to one side of the movable cylinder 502. The large ring 503 is fixedly connected to one side of the ring partition 7, the small ring 504 is fixedly connected to one side of the large ring 503, and the four clamping plates 505 are fixedly connected to one side of the small ring 504, and the four clamping plates 505 are movably connected to the four sides of the pipe 4.
[0039] During operation, by rotating the adjusting plate 8, the movable cylinder 502 moves axially along the fixed cylinder 501 because its external thread engages with the internal thread of the fixed cylinder 501. The movable cylinder 502 pushes and squeezes the four clamping plates 505, making them fit tightly around the pipe 4 and limiting the connection end of the pipe 4. This strengthens the connection strength between the pipe 4 and the device, allowing the pipe to remain stably fixed in the joint under conditions such as transmitting high-pressure media and frequent start-stop, ensuring the sealing of the media transmission and the durability of the pipe connection.
[0040] Working principle: By passing two pipes 4 through the clamping mechanism 5, it moves around the connecting cylinder 12 and the rubber ring 13. The hinge block 10 hinges the lower arc block 1 and the upper arc block 3. The upper arc block 3 rotates around the hinge block 10 and covers the lower arc block 1.
[0041] The upper arc block 3 drives the outer shell 208 to press down, causing the ball at the top of the ball base 201 to be inserted between the first locking plate 203 and the second locking plate 210. The pressure spring 206, through the baffle 204, movable block 205, etc., makes the first locking plate 203 and the second locking plate 210 tightly hold the ball, realizing the connection and fixation between the lower arc block and the upper arc block. When opened, the pull rod 6 is pulled upward, the round rod 207 drives the movable block 205 and the baffle 204 to move upward, the pressure spring 206 is compressed, the first locking plate 203 and the second locking plate 210 are separated from the ball, and the upper arc block 3 can be opened.
[0042] By rotating the adjusting plate 8, the movable cylinder 502 moves axially along the fixed cylinder 501 because its external thread engages with the internal thread of the fixed cylinder 501. The movable cylinder 502 pushes and squeezes the four clamping plates 505, making them fit tightly around the pipe 4 and limiting the connection end of the pipe 4.
[0043] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A high-strength integral stainless steel buckling straight-through joint comprising a lower arc block (1), characterized in that, A hinge block (10) is fixedly connected to one side of the lower arc block (1), an upper arc block (3) is fixedly connected to one side of the hinge block (10), a locking mechanism (2) is fixedly connected to one side of the lower arc block (1) and the upper arc block (3), a pull rod (6) is fixedly connected to the top of the locking mechanism (2), and a circular partition plate (7) is fixedly connected to both sides of the lower arc block (1).
2. The high-strength integrated stainless steel crimped straight connector according to claim 1, characterized in that, The two circular partitions (7) are movably connected to an upper arc block (3). The lower arc block (1) and the upper arc block (3) are respectively fixedly connected to two arc plates (9). The lower arc block (1) is fixedly connected to a circular connecting plate (11). The circular connecting plate (11) is fixedly connected to a connecting cylinder (12). The two ends of the connecting cylinder (12) are respectively fixedly connected to rubber rings (13). The two ends of the connecting cylinder (12) and the two rubber rings (13) are respectively movably connected to pipes (4).
3. A high-strength integrated stainless steel crimped straight connector according to claim 2, characterized in that, The pipe (4) is movably connected to the inner sides of two arc plates (9), and clamping mechanisms (5) are fixedly connected to the outer sides of two circular partition plates (7). Adjusting plates (8) are fixedly connected to the outer sides of the two clamping mechanisms (5), and the pipe (4) passes through the adjusting plate (8), clamping mechanisms (5), rubber ring (13) and connecting cylinder (12).
4. A high-strength integrated stainless steel crimped straight connector according to claim 1, characterized in that, The locking mechanism (2) includes a spherical base (201), a first outer shell (202), a first locking plate (203), a baffle (204), a movable block (205), a pressure spring (206), a round rod (207), a second outer shell (208), a fixed platform (209), and a second locking plate (210), with the first outer shell (202) fixedly connected to one side of the lower arc block (1).
5. A high-strength integrated stainless steel crimped straight connector according to claim 4, characterized in that, The outer shell 2 (208) is fixedly connected to one side of the upper arc block (3), the spherical base (201) is fixedly connected to the inside of the outer shell 1 (202), the fixed platform (209) is fixedly connected to the inside of the outer shell 2 (208), the top of the positioning plate 2 (210) is movably connected to the inside of the bottom of the fixed platform (209), the top of the positioning plate 1 (203) is movably connected to the inside of the bottom of the fixed platform (209), and the positioning plate 2 (210) and the positioning plate 1 (203) are respectively movably connected to the two sides of the sphere at the top of the spherical base (201), and the two baffles (204) are respectively fixedly connected to one side of the positioning plate 1 (203) and the positioning plate 2 (210).
6. A high-strength integrated stainless steel crimped straight connector according to claim 4, characterized in that, The two movable blocks (205) are fixedly connected to the top of the two baffles (204) respectively. The two round rods (207) are fixedly connected to the top of the two movable blocks (205) respectively. The two round rods (207) pass through the fixed platform (209) and the top of the outer shell (208). The pull rod (6) is fixedly connected to the top of the two round rods (207). The two pressure springs (206) are fixedly connected to the top of the two baffles (204) respectively. The two pressure springs (206) are fixedly connected to the bottom of the fixed platform (209) respectively.
7. A high-strength integrated stainless steel crimped straight connector according to claim 3, characterized in that, The clamping mechanism (5) includes a fixed cylinder (501), a movable cylinder (502), a large ring (503), a small ring (504), and a clamping plate (505). The fixed cylinder (501) is fixedly connected to one side of the ring partition (7), and the fixed cylinder (501) has an internal thread. The movable cylinder (502) is movably connected to the inside of the fixed cylinder (501).
8. A high-strength integrated stainless steel crimped straight connector according to claim 7, characterized in that, The movable cylinder (502) has an external thread on its outer side, and the adjusting plate (8) is fixedly connected to one side of the movable cylinder (502). The large ring (503) is fixedly connected to one side of the ring partition (7), the small ring (504) is fixedly connected to one side of the large ring (503), and the four clamping plates (505) are fixedly connected to one side of the small ring (504). The four clamping plates (505) are movably connected to the periphery of the pipe (4).