Snap ring locking type pipeline connecting assembly

Abstract

The invention relates to the related technical field of pipeline connecting pieces, in particular to a clamping ring locking type pipeline connecting assembly which comprises a lower clamping ring, an upper clamping ring and a fastening assembly, the lower clamping ring is of a semicircular ring structure, first-stage connecting bases are integrally formed on the two sides of the lower clamping ring, first-stage mounting holes are formed in the first-stage connecting bases, and first-stage mounting holes are formed in the first-stage connecting bases; the upper clamping ring and the lower clamping ring are symmetrically arranged; the fastening assembly is formed by combining the butterfly bolt and the nut, the nut clamping groove is formed in the lower side port of the first-stage mounting hole to position the nut, the clamping groove is formed in the side wall of the second-stage mounting hole, and the butterfly bolt comprises the screw rod, the main rod, the limiting cap, the screwing head and the self-locking structure. Therefore, a self-locking effect is formed between the self-locking structure and the clamping groove, so that a locking effect is formed on the butterfly bolt, the phenomenon that the butterfly bolt and the nut are loosened due to operation vibration of mechanical equipment is effectively avoided, and the connecting stability of the lower clamping ring and the upper clamping ring to the pipeline is effectively improved.

Description

Technical Field

[0001] The present invention relates to the technical field related to pipe connectors, and in particular to a clamping ring locking type pipe connection assembly. Background Art

[0002] Pipe connectors are a type of connection structure used for pipe docking, and their connection strength plays a vital role in the stability of the pipeline. The existing Chinese patent document with the announcement number CN216923540U discloses a slip-on clamp-type connector for a fluid pipeline, which includes two half-ring pieces with the same radius, one side of each of the two half-ring pieces is provided with a short plate, one half-ring piece is provided with an extrusion protrusion on the side wall close to the short plate, and the other half-ring piece is provided with a protrusion groove on the side wall close to the short plate, one half-ring piece is provided with a shaft sleeve A on the other side, and the other half-ring piece is provided with a shaft sleeve B on the other side, and the side walls of the shaft sleeves A and B are provided with a shaft opening, the shaft opening is provided with a shaft sleeve inside, and the shaft sleeve B is clamped by the shaft. Buckled in the middle of the shaft sleeve A, both ends of the outer walls of the two semi-ring pieces are provided with sealing ring limit blocks, the inner walls of the two semi-ring pieces are provided with sealing rings matching the two semi-ring pieces, and the outer walls of the two semi-ring pieces are provided with reinforcing ribs. Bolts and bolt caps are provided on the outer sides of the two short plates, a bolt cap recess is provided on the outer wall of one of the short plates, and bolt through holes are opened on the bottom surface of the recess of the bolt cap recess and on the outer wall of the other short plate. The bolts and the bolt through holes of the two short plates are movably connected, and the bolt cap is sleeved in the recess of the bolt cap recess. The inner walls of the two semi-ring pieces are provided with sealing ring anti-slip strips; However, the semi-ring pieces in the above scheme are fastened together by bolts and bolt caps, and the fastening structure is relatively simple. Some pipeline structures are used on large mechanical equipment, and large mechanical equipment will generate high-frequency vibrations during operation, which will lead to the risk of bolts loosening, thereby reducing the connection stability of the pipeline, and even causing safety accidents in severe cases. Therefore, the present invention proposes a clamping ring locking type pipeline connection assembly to solve the above problem. Summary of the Invention

[0003] The object of the present invention is to provide a clamping ring locking type pipe connection assembly to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned object, the present invention provides the following technical solution: a clamping ring locking pipe connection assembly, comprising: A lower snap ring, wherein the lower snap ring is in a semicircular ring structure, and a first-level connecting seat is integrally formed on both sides of the lower snap ring, and a first-level mounting hole is opened on the first-level connecting seat; An upper snap ring, the upper snap ring and the lower snap ring are symmetrically arranged, and both sides of the upper snap ring are integrally formed with a secondary connecting seat, and the secondary connecting seat is provided with a secondary mounting hole; A fastening assembly, which is used to position and fix the primary connecting seat and the secondary connecting seat; The lower clamping ring and the upper clamping ring are used to position and fix the first pipe and the second pipe. The lower clamping ring and the upper clamping ring are both provided with locking grooves. The ends of the first pipe and the second pipe are respectively integrally formed with a first-level butt joint and a second-level butt joint. When the first pipe and the second pipe are actually docked, the first-level butt joint and the second-level butt joint are locked and positioned through the locking grooves.

[0005] Preferably, the fastening assembly includes a butterfly bolt and a nut, and a nut engaging groove is provided at the lower side port of the first-level mounting hole. When the nut is actually installed, the nut is engaged and positioned in the nut engaging groove. A engaging groove is provided on the side wall of the second-level mounting hole, and the butterfly bolt includes a screw, a main rod, a limiting cap, a screw head and a self-locking structure.

[0006] Preferably, the screw rod, main rod and limiting cap are connected in sequence from bottom to top. When the butterfly bolt is actually installed, the main rod is inserted into the secondary mounting hole, and the screw rod passes through the primary mounting hole and is screwed onto the nut.

[0007] Preferably, a movable groove is provided on the main rod, a lower guide rod groove is provided on the lower side of the movable groove, an upper guide rod groove is provided on the upper side of the movable groove, the movable groove is a straight groove, and a force groove is provided on the side wall of the movable groove. When the fastening assembly is actually installed, the force groove and the engaging groove are set at the same height.

[0008] Preferably, the lower side end of the screwing head is integrally formed with a connecting seat, the lower side end of the connecting seat is integrally formed with an upper guide rod, the lower side end of the upper guide rod is integrally formed with a movable seat, the lower side end of the movable seat is integrally formed with a lower guide rod, the cross-sectional size of the movable seat matches the cross-sectional size of the movable groove, and the movable seat is movably arranged in the movable groove, the lower guide rod is movably arranged in the lower guide rod groove, the upper guide rod is movably arranged in the upper guide rod groove, and an installation groove is opened on the side wall of the movable seat, the installation groove is arranged corresponding to the force-bearing groove, and the self-locking structure is arranged in the installation groove.

[0009] Preferably, the self-locking structure includes a self-locking head and an elastic support member. When the fastening assembly is actually installed, the self-locking head is supported by the elastic support member, and the end of the self-locking head passes through the force groove and is inserted into the locking groove. The locking groove is arranged in a circle around the circumference of the secondary mounting hole, and the total number of the locking grooves is an even number.

[0010] Preferably, the elastic support member is composed of a first support body and a second support body, the first support body is a shuttle-shaped frame structure, the second support body is a circular frame structure, and the first support body and the second support body are both integrally cast from spring steel.

[0011] Preferably, the movable sleeve on the upper guide rod is provided with an upper reset spring, and the movable sleeve on the lower guide rod is provided with a lower reset spring. When the upper reset spring, the lower reset spring and the elastic support are all in the reset state, the end of the self-locking head passes through the force groove and is inserted into the engaging groove.

[0012] Preferably, the outer end of the self-locking head is wedge-shaped in the lower and upper directions. When the movable seat is pulled up and pressed down, the inclined surfaces of the self-locking head and the side edges of the force groove are forced inward, and at this time, the end of the self-locking head is completely disengaged from the engaging groove.

[0013] Preferably, a top column is integrally formed on the upper side of the movable seat. When the top column is in contact with the upper side of the movable groove and the end face of the lower guide rod is in contact with the bottom face of the lower guide rod groove, the end of the self-locking head is completely disengaged from the locking groove.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. A clamping ring locking pipe connection assembly consisting of a lower clamping ring, an upper clamping ring and a fastening assembly is provided, and the fastening assembly is provided to consist of a butterfly bolt and a nut, and a nut engaging groove is provided at the lower side port of the primary mounting hole to position the nut, and an engaging groove is provided on the side wall of the secondary mounting hole, and the butterfly bolt includes a screw rod, a main rod, a limiting cap, a screw head and a self-locking structure, so that a self-locking effect is formed between the self-locking structure and the engaging groove, thereby forming a locking effect on the butterfly bolt, thereby effectively preventing the butterfly bolt and the nut from loosening due to the operating vibration of the mechanical equipment, thereby effectively improving the connection stability of the lower clamping ring and the upper clamping ring to the pipeline; 2. By opening a movable groove on the main rod, and arranging upper guide rod grooves and lower guide rod grooves on the upper and lower sides of the movable groove, and arranging a connecting seat, an upper guide rod, a movable seat and a lower guide rod in sequence on the lower side of the screwing head, and the self-locking structure on the movable seat is arranged to be composed of a self-locking head and an elastic support member, and ensuring that the lower and upper sides of the self-locking head are wedge-shaped, so that when the screwing head is pulled up and pressed down, the movable seat will move in the corresponding direction, so that the end of the self-locking head will be completely disengaged from the engaging groove, thereby facilitating the staff to disassemble and assemble the fastening assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 A half-section view of the present invention; Figure 3 for Figure 2 A schematic diagram of the structure at center A; Figure 4 is a schematic diagram of the fastening assembly of the present invention; Figure 5 This is a schematic diagram of the butterfly bolt structure of the present invention; Figure 6 This is a schematic diagram of the position of the movable slot of the present invention; Figure 7 for Figure 6 A magnified schematic diagram of the structure at point B in the middle; Figure 8 This is a schematic diagram of the installation position of the movable seat of the present invention; Figure 9 A half-section view of the movable seat of the present invention; Figure 10 for Figure 9 A magnified schematic diagram of the structure at point C in the middle; Figure 11 This is a schematic diagram of the installation position of the self-locking structure of the present invention; Figure 12 This is a practical effect diagram of the present invention; Figure 13 This is a schematic diagram of the connection between the first pipeline and the second pipeline of the present invention.

[0016] In the figure: lower snap ring 1, upper snap ring 2, fastening assembly 3, primary connecting seat 4, secondary connecting seat 5, primary mounting hole 6, secondary mounting hole 7, locking groove 8, first pipe 9, second pipe 10, primary butt joint 11, secondary butt joint 12, butterfly bolt 13, nut 14, nut engaging groove 15, engaging groove 16, screw 17, main rod 18, limiting cap 19, screw head 20, self-locking structure 21, movable groove 22, lower guide rod groove 23, upper guide rod groove 24, force groove 25, connecting seat 26, upper guide rod 27, movable seat 28, lower guide rod 29, upper return spring 30, lower return spring 31, mounting groove 32, self-locking head 33, elastic support member 34, first support body 35, second support body 36. DETAILED DESCRIPTION

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] See also Figures 1-13 , the present invention provides the following three preferred embodiments: Embodiment 1: A clamping ring locking pipe connection assembly, comprising a lower clamping ring 1, an upper clamping ring 2 and a fastening assembly 3. The lower clamping ring 1 is a semicircular ring structure, and both sides of the lower clamping ring 1 are integrally formed with a first-level connecting seat 4, and the first-level connecting seat 4 is provided with a first-level mounting hole 6. The upper clamping ring 2 is symmetrically arranged with the lower clamping ring 1, and both sides of the upper clamping ring 2 are integrally formed with a second-level connecting seat 5, and the second-level connecting seat 5 is provided with a second-level mounting hole 7. The fastening assembly 3 is used to position and fix the first-level connecting seat 4 and the second-level connecting seat 5. The lower clamping ring 1 and the upper clamping ring 2 are used to position and fix the first pipe 9 and the second pipe 10. The lower clamping ring 1 and the upper clamping ring 2 are provided with a locking groove 8. The ends of the first pipe 9 and the second pipe 10 are respectively integrally formed with a first-level butt joint 11 and a second-level butt joint 12. When the first pipe 9 and the second pipe 10 are actually docked, the first-level butt joint 11 and the second-level butt joint 12 are locked and positioned through the locking groove 8.

[0019] The fastening assembly 3 includes a butterfly bolt 13 and a nut 14. A nut engaging groove 15 is provided at the lower side port of the primary mounting hole 6. When the nut 14 is actually installed, the nut 14 is engaged and positioned in the nut engaging groove 15. A engaging groove 16 is provided on the side wall of the secondary mounting hole 7. The butterfly bolt 13 includes a screw rod 17, a main rod 18, a limiting cap 19, a screw head 20 and a self-locking structure 21. The screw rod 17, the main rod 18 and the limiting cap 19 are connected in sequence from bottom to top, and the screw rod 17 and the main rod 18 are composed of two symmetrical parts, and the two symmetrical parts are welded together. When the butterfly bolt 13 is actually installed, the main rod 18 is inserted into the secondary mounting hole 7, the screw 17 passes through the primary mounting hole 6 and is screwed on the nut 14, and is provided with a lower retaining ring. 1. A clamping ring locking pipe connection assembly composed of an upper clamping ring 2 and a fastening assembly 3, and the fastening assembly 3 is configured to be composed of a butterfly bolt 13 and a nut 14, and a nut engaging groove 15 is provided at the lower side port of the first-level mounting hole 6 to position the nut 14, and an engaging groove 16 is opened on the side wall of the secondary mounting hole 7, and the butterfly bolt 13 includes a screw 17, a main rod 18, a limiting cap 19, a screw head 20 and a self-locking structure 21, so that a self-locking effect is formed between the self-locking structure 21 and the engaging groove 16, thereby forming a locking effect on the butterfly bolt 13, thereby effectively preventing the butterfly bolt 13 and the nut 14 from loosening due to the operation vibration of the mechanical equipment, thereby effectively improving the connection stability of the lower clamping ring 1 and the upper clamping ring 2 to the pipeline.

[0020] Embodiment 2, on the basis of embodiment 1, a movable groove 22 is provided on the main rod 18, a lower guide rod groove 23 is provided on the lower side of the movable groove 22, an upper guide rod groove 24 is provided on the upper side of the movable groove 22, the movable groove 22 is a straight slot, and a force groove 25 is provided on the side wall of the movable groove 22. When the fastening component 3 is actually installed, the force groove 25 and the engaging groove 16 are set at the same height, the lower side end of the screwing head 20 is integrally formed with a connecting seat 26, and the lower side end of the connecting seat 26 is integrally formed with an upper guide rod 27. The upper guide rod 27 A movable seat 28 is integrally formed at the lower side end of the movable seat 28, and a lower guide rod 29 is integrally formed at the lower side end of the movable seat 28. The cross-sectional size of the movable seat 28 matches the cross-sectional size of the movable groove 22, and the movable seat 28 is movably set in the movable groove 22, the lower guide rod 29 is movably set in the lower guide rod groove 23, and the upper guide rod 27 is movably set in the upper guide rod groove 24. A mounting groove 32 is opened on the side wall of the movable seat 28, and the mounting groove 32 is arranged corresponding to the force groove 25, and the self-locking structure 21 is arranged in the mounting groove 32.

[0021] The self-locking structure 21 includes a self-locking head 33 and an elastic support member 34. When the fastening assembly 3 is actually installed, the self-locking head 33 is supported by the elastic support member 34, and the end of the self-locking head 33 passes through the force groove 25 and is inserted into the engaging groove 16. The engaging groove 16 is provided with a circle around the secondary mounting hole 7 and the total number of the engaging grooves 16 is an even number. The elastic support member 34 is composed of a first support body 35 and a second support body 36. The first support body 35 is a shuttle-shaped frame structure, and the second support body 36 is a circular frame structure. The first support body 35 and the second support body 36 are both integrally cast from spring steel.

[0022] An upper return spring 30 is provided on the movable sleeve of the upper guide rod 27, and a lower return spring 31 is provided on the movable sleeve of the lower guide rod 29. When the upper return spring 30, the lower return spring 31 and the elastic support member 34 are all in the reset state, the end of the self-locking head 33 passes through the force-bearing groove 25 and is inserted into the engaging groove 16.

[0023] The outer end of the self-locking head 33 is wedge-shaped in the lower and upper directions. When the movable seat 28 is pulled up and pressed down, the inclined surface of the self-locking head 33 is forced inward with the side of the force groove 25, and at this time, the end of the self-locking head 33 is completely separated from the engaging groove 16. By providing a movable groove 22 on the main rod 18, and providing an upper guide rod groove 24 and a lower guide rod groove 23 on the upper and lower sides of the movable groove 22, and sequentially providing a connecting seat 26, an upper guide rod groove 24 and a lower guide rod groove 23 on the lower side of the screwing head 20, The guide rod 27, the movable seat 28 and the lower guide rod 29, and the self-locking structure 21 on the movable seat 28 is arranged to be composed of a self-locking head 33 and an elastic support member 34, and ensure that the lower and upper sides of the self-locking head 33 are wedge-shaped, so that when the screwing head 20 is pulled up and pressed down, the movable seat 28 will move in the corresponding direction, so that the end of the self-locking head 33 is completely disengaged from the engaging groove 16, thereby facilitating the staff to disassemble and assemble the fastening assembly 3.

[0024] Embodiment 3, on the basis of embodiment 2, a top column 36 is integrally formed on the upper side of the movable seat 28. When the top column 36 is in contact with the upper side of the movable groove 22 and the end face of the lower guide rod 29 is in contact with the bottom face of the lower guide rod groove 23, the end of the self-locking head 33 is completely disengaged from the engaging groove 16, limiting the maximum moving distance of the upper return spring 30 and the lower return spring 31 to avoid excessive deformation of the upper return spring 30 and the lower return spring 31 and affecting their elastic force.

[0025] Although the above describes the illustrative specific embodiments of the present application so that those skilled in the art can understand the present application, the present application is not limited to the scope of the specific embodiments. For those skilled in the art, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations based on the concept of the present application are protected.

Claims

1. A clamp-lock type pipe connection assembly, characterized in that: include: A lower snap ring (1), the lower snap ring (1) is in a semicircular ring structure, and both sides of the lower snap ring (1) are integrally formed with a first-level connecting seat (4), and the first-level connecting seat (4) is provided with a first-level mounting hole (6); An upper snap ring (2), the upper snap ring (2) and the lower snap ring (1) are symmetrically arranged, and both sides of the upper snap ring (2) are integrally formed with a secondary connection seat (5), and the secondary connection seat (5) is provided with a secondary mounting hole (7); A fastening assembly (3), the fastening assembly (3) being used to position and fix the primary connecting seat (4) and the secondary connecting seat (5); The lower clamping ring (1) and the upper clamping ring (2) are used to position and fix the first pipe (9) and the second pipe (10). The lower clamping ring (1) and the upper clamping ring (2) are both provided with locking grooves (8). The ends of the first pipe (9) and the second pipe (10) are respectively integrally formed with a first-level butt joint (11) and a second-level butt joint (12). When the first pipe (9) and the second pipe (10) are actually butt-jointed, the first-level butt joint (11) and the second-level butt joint (12) are locked and positioned through the locking grooves (8).

2. The clamp-lock type pipe connection assembly according to claim 1, characterized in that: The fastening assembly (3) includes a butterfly bolt (13) and a nut (14). A nut engaging groove (15) is provided at the lower end of the primary mounting hole (6). When the nut (14) is actually installed, the nut (14) is engaged and positioned in the nut engaging groove (15). A engaging groove (16) is provided on the side wall of the secondary mounting hole (7). The butterfly bolt (13) includes a screw rod (17), a main rod (18), a limiting cap (19), a screw head (20) and a self-locking structure (21).

3. The clamp-lock type pipe connection assembly according to claim 2, characterized in that: The screw rod (17), main rod (18), and limiting cap (19) are connected in sequence from bottom to top. When the butterfly bolt (13) is actually installed, the main rod (18) is inserted into the secondary mounting hole (7), and the screw rod (17) passes through the primary mounting hole (6) and is screwed onto the nut (14).

4. The clamp-lock type pipe connection assembly according to claim 3, characterized in that: The main rod (18) is provided with a movable groove (22), a lower guide rod groove (23) is provided on the lower side of the movable groove (22), and an upper guide rod groove (24) is provided on the upper side of the movable groove (22). The movable groove (22) is a straight groove, and a force-bearing groove (25) is provided on the side wall of the movable groove (22). When the fastening assembly (3) is actually installed, the force-bearing groove (25) and the engaging groove (16) are arranged at the same height.

5. The clamp-lock type pipe connection assembly according to claim 4, characterized in that: The lower side end of the screwing head (20) is integrally formed with a connecting seat (26), the lower side end of the connecting seat (26) is integrally formed with an upper guide rod (27), the lower side end of the upper guide rod (27) is integrally formed with a movable seat (28), the lower side end of the movable seat (28) is integrally formed with a lower guide rod (29), the cross-sectional size of the movable seat (28) matches the cross-sectional size of the movable groove (22), and the movable seat (28) is movably set in the movable groove (22), the lower guide rod (29) is movably set in the lower guide rod groove (23), and the upper guide rod (27) is movably set in the upper guide rod groove (24). A mounting groove (32) is opened on the side wall of the movable seat (28), the mounting groove (32) is arranged corresponding to the force groove (25), and the self-locking structure (21) is arranged in the mounting groove (32).

6. The clamp-lock type pipe connection assembly according to claim 5, characterized in that: The self-locking structure (21) includes a self-locking head (33) and an elastic support member (34). When the fastening assembly (3) is actually installed, the self-locking head (33) is supported by the elastic support member (34), and the end of the self-locking head (33) passes through the force groove (25) and is inserted into the engaging groove (16). The engaging groove (16) is provided with a circle around the circumference of the secondary mounting hole (7), and the total number of the engaging grooves (16) is an even number.

7. The clamp-lock type pipe connection assembly according to claim 6, characterized in that: The elastic support member (34) is composed of a first support body (35) and a second support body (36), wherein the first support body (35) is a shuttle-shaped frame structure, and the second support body (36) is a circular frame structure, and the first support body (35) and the second support body (36) are both integrally cast from spring steel.

8. The clamp-lock type pipe connection assembly according to claim 6, characterized in that: The upper movable sleeve of the upper guide rod (27) is provided with an upper reset spring (30), and the upper movable sleeve of the lower guide rod (29) is provided with a lower reset spring (31). When the upper reset spring (30), the lower reset spring (31) and the elastic support member (34) are all in the reset state, the end of the self-locking head (33) passes through the force groove (25) and is inserted into the engaging groove (16).

9. The clamp-lock type pipe connection assembly according to claim 8, characterized in that: The outer end of the self-locking head (33) is wedge-shaped in the lower and upper directions. When the movable seat (28) is pulled up and pressed down, the inclined surface of the self-locking head (33) is forced inward with the side of the force groove (25), and at this time, the end of the self-locking head (33) is completely separated from the engaging groove (16).

10. The clamp-lock type pipe connection assembly according to claim 9, characterized in that: The upper side of the movable seat (28) is integrally formed with a top column (36). When the top column (36) is in contact with the upper side of the movable groove (22) and the end surface of the lower guide rod (29) is in contact with the bottom surface of the lower guide rod groove (23), the end of the self-locking head (33) is completely disengaged from the engaging groove (16).

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