Threaded joint locking device and vibration equipment

Abstract

The utility model discloses a screwed joint locking device and vibration equipment, which comprises an equipment pipeline, a water pipeline and a damping connecting pipe, one end of the equipment pipeline and one end of the water pipeline are respectively in threaded connection with the damping connecting pipe through screwed joints, and the screwed joint locking device further comprises a limiting assembly; the limiting assembly comprises a baffle and a double-thread screw. The two baffles are arranged on the equipment pipeline and the water passing pipeline in a sleeving mode correspondingly, the baffles abut against the sides, away from the damping connecting pipe, of the threaded connectors, the multiple double-thread screws are arranged, and the two ends of the double-thread screws penetrate through the baffles correspondingly and are fixedly connected with nuts. The baffles and the double-thread screws are additionally arranged on the two sides of the threaded connector, and the additional fixing and limiting functions are provided. And through the structural arrangement that the baffles abut against the threaded connectors, axial movement of the threaded connectors is further limited, the damping connecting pipe is firmly limited between the two threaded connectors, and therefore the stability and safety of threaded connection are improved, looseness caused by vibration is reduced, and the damping effect of the device is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering application, in particular to a threaded joint anti-loosening device and a vibration device. Background Art

[0002] In a certain special field, two sections of pipelines are connected by a metal vibration-damping pipe. The fluid medium between the pipelines is cooling water. One end of the pipeline is connected to the vibration equipment and the other end is connected to the cooling water pipeline. Due to the large vibration of the equipment and the limited vibration reduction effect of the metal vibration-damping pipe, the threaded joints at the pipeline connection become loose, resulting in cooling water leakage.

[0003] Threaded connection is a widely used detachable fixed connection method with the advantages of simple structure, reliable connection, and easy assembly and disassembly. However, in actual applications, especially in working environments subject to large vibrations, shocks or large temperature changes, threaded connections are prone to loosening, resulting in unreliable connections or even detachment, which in turn causes water leakage, equipment failures and even safety accidents. Utility Model Content

[0004] In view of this, the utility model proposes a threaded joint anti-loosening device and a vibration device to solve the problem that the threaded joint is prone to loosening in a vibration environment.

[0005] The technical solution of the utility model is achieved in this way:

[0006] On the one hand, the utility model provides a threaded joint anti-loosening device, including an equipment pipeline, a water pipeline and a shock-absorbing pipe, one end of the equipment pipeline and the water pipeline are respectively threadedly connected to the shock-absorbing pipe through a threaded joint, and also includes a limit assembly;

[0007] The limiting assembly includes a baffle and a double-headed screw; there are two baffles, which are respectively sleeved on the equipment pipeline and the water pipeline, and the baffle is abutted against the side of the threaded joint away from the shock-absorbing pipe. There are multiple double-headed screws, and both ends of the double-headed screws pass through the baffles and are fixedly connected with nuts.

[0008] On the basis of the above technical solution, preferably, a through hole for the equipment pipe or the water pipe to pass through is opened at the center of the baffle, and a limiting groove adapted to the threaded joint is opened on one side of the baffle, and the limiting groove is coaxial with the through hole.

[0009] Further, preferably, at least a portion of the threaded joint is embedded in the limiting groove, and the threaded joint is a polygonal structure.

[0010] Further, preferably, a plurality of through holes are arranged at equal intervals on the surface of the baffle around the center of the through hole, and both ends of the double-headed screw respectively pass through the through holes on the baffle and are fixedly connected with nuts on the side of the baffle away from the threaded joint.

[0011] On the basis of the above technical solution, preferably, at least one mounting hole is provided on the inner bottom surface of the limiting groove, and a prompt component is fixedly provided in the mounting hole, and the prompt component is used to prompt the position status between the threaded joint and the inner bottom surface of the limiting groove.

[0012] Further, preferably, the prompt assembly includes a column, a slide plate, a first boss, a second boss and an elastic member, the column is fixedly arranged in the mounting hole, and the end face of the column is flush with the end face of the mounting hole, a mounting cavity is arranged inside the column, sliding holes connected to the mounting cavity are respectively arranged at both ends of the column, the diameter of the sliding hole is smaller than the diameter of the mounting cavity, the first boss and the second boss are respectively slidably arranged in the sliding hole, the first boss and the second boss are fixedly connected by the slide plate, and the slide plate is accommodated in the mounting cavity, the total length of the first boss, the slide plate and the second boss is consistent with the depth of the mounting hole, one end of the elastic member is abutted against the side of the mounting cavity facing the first boss, and the other end is abutted against the side of the slide plate facing the first boss, so that the second boss is extended to the outside of the sliding hole and abuts against the end face of the threaded joint.

[0013] On the basis of the above technical solution, preferably, a plurality of elastic members are provided and arranged at equal intervals around the central axis of the installation cavity.

[0014] Further, preferably, a guide rod is fixedly provided in the installation cavity, the guide rod movably passes through the slide plate, and the elastic member is sleeved on the guide rod.

[0015] On the other hand, the utility model also discloses a vibration device, including a device body and the threaded joint anti-loosening device described in the first aspect, wherein the device body has a water inlet end and a water outlet end, and the water inlet end and the water outlet end are respectively connected to the threaded joint anti-loosening device.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] (1) By adding baffles and double-headed screws on both sides of the threaded joint, additional fixing and limiting functions are provided. Even under vibration, the threaded joint can be effectively fixed to avoid the risk of loosening. The structural setting of the baffle and the threaded joint further limits the axial movement of the threaded joint, so that the shock-absorbing pipe is firmly restricted between the two threaded joints, thereby improving the stability and safety of the threaded connection, reducing loosening caused by vibration, and indirectly enhancing the vibration reduction effect of the entire connection system.

[0018] (2) A limiting groove adapted to the threaded joint is provided on one side of the baffle plate, and the limiting groove is coaxial with the through hole. This arrangement ensures that the limiting groove can accurately dock with the threaded joint and play a limiting role. Under the action of the entire limiting assembly, the baffle plate can not only limit the axial position of the two threaded joints, but also limit the radial position of the threaded joints, thereby limiting the loosening of the threaded joint and the shock-absorbing pipe in two directions.

[0019] (3) Through the setting of the prompt component, the second protrusion of the prompt component maintains contact with the end face of the threaded joint, and the first protrusion is in a normal position, which does not affect the tightening of the threaded joint. When the threaded joint is loose, the elastic member causes the second protrusion to extend out of the sliding hole and abut against the threaded joint, while the first protrusion retracts into the sliding hole, providing an obvious visual prompt through position changes, significantly improving the timeliness and intuitiveness of the detection of loose threaded joints, and enhancing the functionality and safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a three-dimensional structural schematic diagram of the threaded joint anti-loosening device disclosed in the utility model;

[0022] Figure 2 Schematic diagram of the three-dimensional structure of the baffle disclosed in the utility model

[0023] Figure 3 It is a schematic diagram of the three-dimensional structure of the prompt component disclosed in the utility model from a first perspective;

[0024] Figure 4 It is a schematic diagram of the third perspective structure of the prompt component disclosed in the utility model;

[0025] Figure 5 It is a schematic diagram of the planar structure of the prompt component disclosed in the utility model;

[0026] Figure 6 It is a three-dimensional structural schematic diagram of the vibration device disclosed in the utility model;

[0027] Reference numerals:

[0028] 1. Equipment pipeline; 2. Water pipeline; 3. Shock-absorbing pipe; 4. Threaded joint; 5. Limiting assembly; 51. Baffle; 52. Double-headed screw; 53. Nut; 511. Through hole; 512. Limiting groove; 513. Connecting hole; 514. Mounting hole; 6. Prompt assembly; 61. Column; 62. Slide plate; 63. First boss; 64. Second boss; 65. Elastic member; 611. Mounting cavity; 612. Sliding hole; 66. Guide rod; 7. Equipment body. DETAILED DESCRIPTION

[0029] The following will be combined with the implementation of the utility model to clearly and completely describe the technical solutions in the implementation of the utility model. Obviously, the described implementation is only a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] like Figure 1 As shown, combined Figure 2-6 This embodiment discloses a threaded joint 4 anti-loosening device, including an equipment pipeline 1, a water pipeline 2 and a shock-absorbing pipe 3. One end of the equipment pipeline 1 and the water pipeline 2 are respectively threadedly connected to the shock-absorbing pipe 3 through the threaded joint 4, so as to provide a connection between the vibration equipment and the cooling water pipeline.

[0031] It is worth noting that the threaded joint 4 is provided on the equipment pipe 1 and the water pipe 2, and the shock-absorbing pipe 3 is made of metal. When connected, the shock-absorbing pipe 3 is connected to the threaded joint 4 by means of threaded rotation.

[0032] During the operation of the vibration equipment, high-frequency vibrations are transmitted to the connection between the shock-absorbing pipe 3 and the threaded joint 4, thereby causing the threaded joint 4 and the shock-absorbing pipe 3 to become loose.

[0033] In order to solve the above problems, the present embodiment provides a limit assembly 5 to solve the problem. Specifically, the limit assembly 5 includes a baffle 51 and a double-headed screw 52. Two baffles 51 are provided, which are respectively sleeved on the equipment pipeline 1 and the water pipeline 2, and the baffle 51 is abutted against the side of the threaded joint 4 away from the shock-absorbing pipe 3. Multiple double-headed screws 52 are provided, and both ends of the double-headed screws 52 pass through the baffles 51 respectively and are fixedly connected with nuts 53.

[0034] The above technical solution provides additional fixing and limiting functions by adding baffles 51 and double-headed screws 52 on both sides of the threaded joint 4. Even under vibration, the threaded joint 4 can be effectively fixed to avoid the risk of loosening. The structural setting of the baffle 51 and the threaded joint 4 against each other further limits the axial movement of the threaded joint 4, so that the shock-absorbing pipe 3 is firmly limited between the two threaded joints 4, thereby improving the stability and safety of the threaded connection, reducing loosening caused by vibration, and indirectly enhancing the vibration reduction effect of the entire connection system.

[0035] As some preferred embodiments, a through hole 511 is provided at the center of the baffle 51 for the equipment pipe 1 or the water pipe 2 to pass through, so that the baffle 51 can be sleeved on the pipe and matched with the pipe. In some specific embodiments, the baffle 51 can be pre-sleeved on the pipe.

[0036] A limiting groove 512 is provided on one side of the baffle plate 51, which is adapted to the threaded joint 4 and is coaxial with the through hole 511. This arrangement ensures that the limiting groove 512 can accurately dock with the threaded joint 4 and play a limiting role. Under the action of the entire limiting assembly 5, the baffle plate 51 can not only limit the axial position of the two threaded joints 4, but also limit the radial position of the threaded joint 4, thereby limiting the loosening of the threaded joint 4 and the shock-absorbing pipe 3 in two directions.

[0037] As some preferred embodiments, at least a portion of the threaded joint 4 is embedded in the limiting groove 512. Through the physical constraint of the limiting groove 512, the threaded joint 4 can still maintain its position when subjected to external force or vibration, thereby enhancing the reliability of the connection and providing a stronger anti-loosening ability. The threaded joint 4 is a polygonal structure, and the corners of the polygon are in contact with the inner wall of the limiting groove 512, increasing the contact area and friction, and can effectively resist the rotation of the threaded joint 4, preventing the threaded joint 4 from loosening itself in a vibrating environment.

[0038] In this embodiment, a plurality of connection holes 513 are arranged at equal intervals on the surface of the baffle plate 51 around the center of the through hole 511, and both ends of the double-headed screw 52 respectively pass through the connection holes 513 on the baffle plate 51 and are fixedly connected with nuts 53 on the side of the baffle plate 51 away from the threaded joint 4. With the above technical solution, the connection holes 513 arranged at equal intervals can ensure that the double-headed screw 52 is evenly distributed on the baffle plate 51, providing a better fixing effect.

[0039] It is worth noting that the entire limit assembly 5 has a simple structure, is easy to disassemble and assemble between pipelines, is convenient for subsequent maintenance and adjustment, and improves the usability of the device.

[0040] Although the limiting assembly 5 can reduce the loosening of the threaded joint 4 during vibration to a certain extent, it is not easy to detect when the threaded joint 4 loosens under some harsh working conditions.

[0041] To this end, this embodiment adopts the following technical solution. In this embodiment, at least one mounting hole 514 is set on the inner bottom surface of the limiting groove 512, and a prompt component 6 is fixedly set in the mounting hole 514. The prompt component 6 is used to indicate the position status between the threaded joint 4 and the inner bottom surface of the limiting groove 512.

[0042] Specifically, the prompt component 6 includes a column 61, a slide plate 62, a first convex column 63, a second convex column 64 and an elastic member 65. The column 61 is fixedly arranged in the mounting hole 514, and the end surface of the column 61 is flush with the end surface of the mounting hole 514. The column 61 is provided with a mounting cavity 611 inside, and sliding holes 612 connected to the mounting cavity 611 are respectively provided at both ends of the column 61. The diameter of the sliding hole 612 is smaller than the diameter of the mounting cavity 611. The first convex column 63 and the second convex column 64 are respectively slidably arranged on In the sliding hole 612, the first boss 63 and the second boss 64 are fixedly connected by the slide plate 62, and the slide plate 62 is accommodated in the mounting cavity 611. The total length of the first boss 63, the slide plate 62 and the second boss 64 is consistent with the depth of the mounting hole 514. One end of the elastic member 65 is abutted against the side of the mounting cavity 611 facing the first boss 63, and the other end is abutted against the side of the slide plate 62 facing the first boss 63, so that the second boss 64 is extended to the outside of the sliding hole 612 and abuts against the end face of the threaded joint 4.

[0043] In the initial state, the end face of the second boss 64 is flush with the end face of the column 61 and contacts the end face of the threaded joint 4. This ensures that in the normal tightening state, the second boss 64 of the prompt component 6 will not protrude and maintain contact with the end face of the threaded joint 4. At the same time, the end face of the first boss 63 is flush with the end face of the other end of the column 61. It ensures that in the initial state, the bosses at both ends of the prompt component 6 are in normal positions and will not affect the tightening of the threaded joint 4. When the threaded joint 4 is loose, a gap will appear between the threaded joint 4 and the end face of the column 61. At this time, the second boss 64 in the prompt component 6 will extend out of the sliding hole 612 due to the action of the elastic member 65. The second boss 64 extends out of the sliding hole 612 and abuts against the threaded joint 4, indicating that the threaded joint 4 is loose. At the same time, the first boss 63 retracts into the sliding hole 612 on the other side of the column 61 accordingly. The position change of the first boss 63 provides an obvious visual prompt, allowing the operator to intuitively perceive the loose state of the threaded joint 4, significantly improving the timeliness and intuitiveness of the loose detection of the threaded joint 4 and enhancing the functionality and safety of the device.

[0044] Preferably, a plurality of elastic members 65 are provided, and are arranged at equal intervals around the central axis of the installation cavity 611. The equal interval arrangement of the elastic members 65 ensures the uniformity of the response when the threaded joint 4 is loosened. Each elastic member 65 can respond to the loosening of the threaded joint 4 evenly, thereby enhancing the stability and reliability of the system.

[0045] Preferably, a guide rod 66 is fixedly provided in the installation cavity 611, and the guide rod 66 movably passes through the slide plate 62, and the elastic member 65 is sleeved on the guide rod 66. The provision of the guide rod 66 makes the movement of the slide plate 62 in the installation cavity 611 more stable, and avoids the slide plate 62 from deflecting or tilting during the movement. This stable guiding effect ensures the precise operation of the prompt component 6 and reduces the error caused by friction or asymmetric force.

[0046] The utility model also provides a vibration device, including a device body 7 and the anti-loosening device of the threaded joint 4 described in the above embodiment, the device body has a water inlet end and a water outlet end, and the water inlet end and the water outlet end are respectively connected to the anti-loosening device of the threaded joint 4. The loosening device of the threaded joint 4 can realize water flow and drainage in the device body 7, ensuring that the joint will not loosen during the flow of liquid, avoiding leakage or other failures. Through the application of the anti-loosening device, the vibration device can still remain stable during long-term high-intensity work, reducing maintenance and downtime caused by loose threads, and improving the overall performance and production efficiency of the equipment.

[0047] The above description is only a preferred 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 protection scope of the present invention.

Claims

1. A threaded joint anti-loosening device, comprising an equipment pipeline (1), a water pipeline (2) and a shock-absorbing pipe (3), wherein one end of the equipment pipeline (1) and the water pipeline (2) are respectively threadedly connected to the shock-absorbing pipe (3) through a threaded joint (4), characterized in that: Also includes a limit assembly (5); The limit assembly (5) comprises a baffle (51) and a double-headed screw (52); two baffles (51) are provided, which are respectively sleeved on the equipment pipeline (1) and the water pipeline (2), and the baffle (51) abuts against a side of the threaded joint (4) away from the shock-absorbing pipe (3); a plurality of double-headed screws (52) are provided, and both ends of the double-headed screw (52) pass through the baffles (51) and are fixedly connected with nuts (53).

2. The threaded joint anti-loosening device according to claim 1, characterized in that: A through hole (511) is provided at the center of the baffle (51) for the equipment pipeline (1) or the water pipeline (2) to movably pass through, and a limiting groove (512) adapted to the threaded joint (4) is provided on one side of the baffle (51), and the limiting groove (512) is coaxial with the through hole (511).

3. The threaded joint anti-loosening device according to claim 2, characterized in that: At least a portion of the threaded joint (4) is embedded in the limiting groove (512), and the threaded joint (4) is a polygonal structure.

4. The threaded joint anti-loosening device according to claim 2, characterized in that: The surface of the baffle (51) is provided with a plurality of connection holes (513) at equal intervals around the center of the through hole (511); both ends of the double-headed screw (52) respectively pass through the connection holes (513) on the baffle (51) and are fixedly connected with nuts (53) on the side of the baffle (51) away from the threaded joint (4).

5. The threaded joint anti-loosening device according to claim 2, characterized in that: At least one mounting hole (514) is provided on the inner bottom surface of the limiting groove (512), and a prompting component (6) is fixedly provided in the mounting hole (514), wherein the prompting component (6) is used to prompt the position status between the threaded joint (4) and the inner bottom surface of the limiting groove (512).

6. The threaded joint anti-loosening device according to claim 5, characterized in that: The prompting assembly (6) comprises a column (61), a slide plate (62), a first convex column (63), a second convex column (64) and an elastic member (65); The column (61) is fixedly arranged in the mounting hole (514), and the end surface of the column (61) is flush with the end surface of the mounting hole (514); a mounting cavity (611) is arranged inside the column (61); sliding holes (612) connected to the mounting cavity (611) are respectively arranged at both ends of the column (61); and the diameter of the sliding hole (612) is smaller than the diameter of the mounting cavity (611); The first convex column (63) and the second convex column (64) are respectively slidably disposed in the sliding hole (612); the first convex column (63) and the second convex column (64) are fixedly connected via a slide plate (62); the slide plate (62) is accommodated in the mounting cavity (611); and the total length of the first convex column (63), the slide plate (62) and the second convex column (64) is consistent with the depth of the mounting hole (514); One end of the elastic member (65) abuts against the side of the installation cavity (611) facing the first protruding column (63), and the other end abuts against the side of the slide plate (62) facing the first protruding column (63), so that the second protruding column (64) extends outside the sliding hole (612) and abuts against the end surface of the threaded joint (4).

7. The threaded joint anti-loosening device according to claim 6, characterized in that: A plurality of elastic members (65) are provided and are arranged at equal intervals around the central axis of the installation cavity (611).

8. The threaded joint anti-loosening device according to claim 6, characterized in that: A guide rod (66) is also fixedly disposed in the installation cavity (611), the guide rod (66) movably passes through the slide plate (62), and the elastic member (65) is sleeved on the guide rod (66).

9. A vibration device, comprising a device body (7), characterized in that: It also comprises a threaded joint anti-loosening device as claimed in any one of claims 1 to 8, wherein the equipment body (7) has a water inlet end and a water outlet end, and the water inlet end and the water outlet end are respectively connected to the threaded joint anti-loosening device.

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