Threaded connection anti-loosening assembly

Abstract

The utility model provides a threaded connection anti-loosening assembly which comprises a bolt, a first connecting assembly arranged on the surface of the bolt and comprising a sliding groove and a fixing hole, a second connecting assembly arranged in the bolt and comprising a first reset spring and a sliding block, a first fixing assembly arranged on the surface of the sliding block, and a second fixing assembly arranged on the surface of the sliding block. The first fixing assembly comprises a second reset spring and a fixing tooth block, the nut assembly is arranged on the outer surface of the bolt and comprises a threaded block and a fixing tooth ring, the second fixing assembly is arranged in the bolt and comprises a fixing rod and a fixing spring block, and the sliding groove is formed in the surface of the bolt. According to the threaded connection anti-loosening assembly, the nut assembly is in threaded connection with the inner surface of the bolt, meanwhile, the fixing tooth block can be connected to the inner surface of the fixing tooth ring through the second fixing assembly, and therefore fixing of the threaded block is achieved, stability of connection between the bolt and the threaded block is improved, and loosening is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to thread connection technical field especially relates to a thread connection anti -loose subassembly. BACKGROUND

[0002] A kind of fastener consisting of head and screw rod (cylinder with external thread), need to cooperate with nut, for fastening connection two parts with through hole, this connection form is called bolt connection, such as nut is spun down from bolt, again can make the two parts separate, so bolt connection belongs to detachable connection.

[0003] Under the action of vibration, impact or dynamic load, bolt nut connection is prone to looseness, leading to connection failure. Although various anti-loose measures can be taken, in some harsh working environments, such as high-frequency vibration, high temperature, humidity, etc., the anti-loose effect may be affected, and there is still a risk of loosening.

[0004] Therefore, it is necessary to provide a thread connection anti-loose subassembly to solve the above technical problems. INVENTION CONTENTS

[0005] The utility model provides a thread connection anti-loose subassembly, solve the problem that bolt nut connection is prone to looseness.

[0006] To solve the above technical problems, the utility model provides a thread connection anti-loose subassembly, comprising: a bolt, the surface of the bolt is provided with a first connecting assembly, the first connecting assembly includes a sliding groove and a fixing hole;

[0007] A second connecting assembly is arranged inside the bolt, and the second connecting assembly includes a first return spring and a sliding block;

[0008] A first fixing assembly is arranged on the surface of the sliding block, and the first fixing assembly includes a second return spring and a fixed tooth block;

[0009] A nut assembly is arranged on the outer surface of the bolt, and the nut assembly includes a threaded block and a fixed tooth ring;

[0010] A second fixing assembly is arranged inside the bolt, and the second fixing assembly includes a fixed rod and a fixed spring block.

[0011] Preferably, the sliding groove is opened on the surface of the bolt, and the fixing hole is opened on the inner surface of the bolt near the bottom.

[0012] Preferably, one end of the first return spring is fixedly connected to the inner surface of the top of the bolt, and the sliding block is fixedly connected to the other end of the first return spring.

[0013] Preferably, the second return spring is movably installed inside the sliding block, the fixed tooth block is fixedly connected to one end of the second return spring, and the fixed tooth block is movably embedded inside the sliding groove.

[0014] Preferably, the threaded block is threaded to the outer surface of the bolt, the fixing toothed ring is fixedly connected to the top of the threaded block, and the fixing toothed block is fixedly connected to the inner surface of the fixing toothed ring.

[0015] Preferably, the fixing rod is fixedly embedded inside the bolt, the surface of the fixing rod is movably connected to one end of the fixing tooth block, the fixing spring block is movably installed at the bottom of the fixing rod, and one end of the fixing spring block is fixedly embedded inside the fixing hole.

[0016] Preferably, the threaded block is internally disposed within a lubrication assembly, the lubrication assembly including an oil reservoir, the oil reservoir being formed inside the threaded block, one end of the oil reservoir being fixedly connected to an oil inlet, and the end of the oil reservoir near the inner surface of the threaded block being fixedly connected to a lubrication port.

[0017] Compared with related technologies, the threaded connection anti-loosening component provided by this utility model has the following beneficial effects:

[0018] This utility model provides a threaded connection anti-loosening component. While the nut assembly is threadedly connected to the inner surface of the bolt, the second fixing component can connect the fixing tooth block to the inner surface of the fixing tooth ring, thereby fixing the threaded block, increasing the stability of the connection between the bolt and the threaded block, and preventing loosening. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of a first embodiment of a threaded connection anti-loosening component provided by this utility model;

[0020] Figure 2 for Figure 1 The diagram shows the connection structure of the first connecting component.

[0021] Figure 3 for Figure 1 The diagram shows the connection structure of the nut assembly.

[0022] Figure 4 for Figure 1 The diagram shows a side sectional view of the structure.

[0023] Figure 5 for Figure 4 The diagram shows the connection structure of the second fixing component;

[0024] Figure 6 This is a schematic diagram of the second embodiment of a threaded connection anti-loosening component provided by this utility model.

[0025] Numbered in the diagram: 1. Bolt

[0026] 2. First connecting component, 21. Sliding groove, 22. Fixing hole,

[0027] 3. Second connecting assembly; 31. First return spring; 32. Sliding block;

[0028] 4. First fixing component; 41. Second return spring; 42. Fixing tooth block;

[0029] 5. Nut assembly, 51. Threaded block, 52. Retaining toothed ring,

[0030] 6. Second fixing component, 61. Fixing rod, 62. Fixing spring block,

[0031] 7. Lubrication components; 71. Oil reservoir; 72. Oil inlet; 73. Lubrication port. Detailed Implementation

[0032] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0033] First Embodiment

[0034] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 This is a schematic diagram of the structure of a first embodiment of a threaded connection anti-loosening component provided by this utility model; Figure 2 for Figure 1 The diagram shows the connection structure of the first connecting component. Figure 3 for Figure 1 The diagram shows the connection structure of the nut assembly.

[0035] Figure 4 for Figure 1 The diagram shows a side sectional view of the structure. Figure 5 for Figure 4 The diagram shows the connection structure of the second fixing component. A threaded connection anti-loosening component includes: a bolt 1, the surface of which is provided with a first connecting component 2, the first connecting component 2 including a sliding groove 21 and a fixing hole 22;

[0036] The second connecting component 3 is disposed inside the bolt 1, and the second connecting component 3 includes a first return spring 31 and a sliding block 32.

[0037] A first fixing assembly 4 is arranged on the surface of the sliding block 32, and the first fixing assembly 4 comprises a second reset spring 41 and a fixed tooth block 42.

[0038] A nut assembly 5 is arranged on the outer surface of the bolt 1, and the nut assembly 5 comprises a threaded block 51 and a fixed tooth ring 52.

[0039] A second fixing assembly 6 is arranged in the interior of the bolt 1, and the second fixing assembly 6 comprises a fixed rod 61 and a fixed spring block 62.

[0040] The bolt 1 is fixedly connected with a nut at one end of a threaded rod, the first connecting assembly 2 serves to connect and fix, the second connecting assembly 3 serves to connect with the threaded block 51 and move with it, thereby realizing the connection between the fixed tooth ring 52 and the fixed tooth block 42, the first fixing assembly 4 and the nut assembly 5 serve to fix, and the second fixing assembly 6 serves to realize the connection and fixation between the fixed tooth block 42 and the fixed tooth ring 52.

[0041] The sliding groove 21 is arranged on the surface of the bolt 1, and the fixed hole 22 is arranged on the inner surface of the bolt 1 near the bottom.

[0042] The bolt 1 is internally provided with a groove, the sliding grooves 21 are four in number and are circumferentially arranged on the surface of the threaded rod of the bolt 1 and are in communication with the internal groove of the bolt 1, and the fixed holes 22 are two in number and are arranged on the inner surface of the bolt 1 near the left and right ends of the bottom.

[0043] One end of the first reset spring 31 is fixedly connected to the inner surface of the top of the bolt 1, and the sliding block 32 is fixedly connected to the other end of the first reset spring 31.

[0044] The first reset spring 31 is movably embedded in the internal groove of the bolt 1, and one end thereof is fixedly connected to the top of the groove, and the sliding block 32 is fixedly connected to the bottom of the first reset spring 31 and is provided with four sliding blocks arranged on the surface, the four sliding blocks are movably embedded in the four sliding grooves 21, and under the action of the first reset spring 31, the four sliding blocks are respectively located in the innermost ends of the four sliding grooves 21.

[0045] The second reset spring 41 is movably mounted in the interior of the sliding block 32, the fixed tooth block 42 is fixedly connected to one end of the second reset spring 41, and the fixed tooth block 42 is movably embedded in the sliding groove 21.

[0046] The first fixing assembly 4 is four in number, the surface array of the bottom end of the sliding block 32 is provided with four sliding grooves, the second return springs 41 are movably embedded in the four sliding grooves respectively, and the bottom of each of the four fixed tooth blocks 42 is fixedly connected with a sliding block.

[0047] The threaded block 51 is threadedly connected to the outer surface of the bolt 1, the fixed tooth ring 52 is fixedly connected to the top of the threaded block 51, and the fixed tooth block 42 is fixedly connected to the inner surface of the fixed tooth ring 52.

[0048] The inner surface of the threaded block 51 is provided with threads, the fixed tooth ring 52 is connected to the top of the threaded block 51, and the inner surface array is provided with teeth, when the threaded block 51 is sleeved on the surface of the bolt 1 and rotated, the threaded block 51 gradually moves to the top, the fixed tooth ring 52 pushes the fixed tooth block 42 to drive the sliding block 32 to move upwards, and the first return spring 31 is compressed.

[0049] The fixed rod 61 is movably embedded in the bolt 1, one end of the fixed rod 61 is movably connected to the fixed tooth block 42, the fixed spring block 62 is movably mounted at the bottom of the fixed rod 61, and one end of the fixed spring block 62 is movably embedded in the fixed hole 22.

[0050] One end of the fixed rod 61 is in a conical shape, the bottom is provided with two grooves, the fixed spring block 62 is fixedly connected to one end of a spring, and the two fixed spring blocks 62 are movably embedded in the two grooves respectively, when the fixed rod 61 is embedded in the bolt 1, one end of the fixed rod 61 passes through the four fixed tooth rings 52 and pushes the four fixed tooth rings 52 to move outward and engage with the teeth on the inner surface of the fixed tooth ring 52, since the four fixed tooth rings 52 cannot rotate, the threaded block 51 cannot rotate, the rotation of the threaded block 51 is realized, and the connecting block in the fixed spring block 62 is embedded in the two fixed holes 22 under the action of the spring, so that the fixed rod 61 is fixed in the bolt 1.

[0051] The working principle of the threaded connection anti-loosening assembly is as follows:

[0052] First, the threaded block 51 is threaded on the surface of the bolt 1, in the process, the threaded block 51 is connected with the surface of the fixed tooth block 42 and pushes the sliding block 32 in the inside of the bolt 1 through the fixed tooth block 42, the first reset spring 31 is compressed, until the threaded block 51 is threaded in the appropriate position, the fixing of the connecting piece is realized, then the fixed rod 61 is inserted into the inside of the bolt 1 from the bottom of the bolt 1, the fixed rod 61 passes through four fixed tooth blocks 42, the surface of the four fixed tooth blocks 42 is pushed outward, the four fixed tooth block 42 assemblies slide outward and are engaged with the inner surface of the fixed tooth ring 52, when the fixed rod 61 is completely embedded in the inside of the bolt 1, the fixed spring block 62 is embedded in the inside of the fixed hole 22, the fixed rod 61 is fixed in the inside of the bolt 1, and the threaded block 51 cannot rotate due to the engagement of the fixed tooth block 42 and the fixed tooth ring 52.

[0053] Compared with the related art, the threaded connection anti-loose assembly has the following beneficial effects:

[0054] The threaded connection anti-loose assembly provided by the utility model has the advantages that the threaded block 51 is fixed by the second fixing assembly 6 while being screwed on the inner surface of the bolt 1 through the nut assembly 5, the stability of the connection between the bolt 1 and the threaded block 51 is improved, and loosening is prevented.

[0055] Second embodiment

[0056] Please refer to Figure 6 Based on the threaded connection anti-loose assembly provided in the first embodiment of the application, the second embodiment of the application provides another threaded connection anti-loose assembly. The second embodiment is only a preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the separate implementation of the first embodiment.

[0057] Specifically, the threaded connection anti-loose assembly provided by the second embodiment of the application is different in that the threaded connection anti-loose assembly is provided with a lubricating assembly 7 in the inside of the threaded block 51, the lubricating assembly 7 comprises an oil storage groove 71, the oil storage groove 71 is arranged in the inside of the threaded block 51, one end of the oil storage groove 71 is fixedly connected with an oil inlet 72, and the oil storage groove 71 is fixedly connected with a lubricating port 73 at one end close to the inner surface of the threaded block 51.

[0058] The inside of the oil inlet 72 is embedded with an anti-reverse piston, oil can only be supplied to the inside of the oil storage groove 71, and the lubricating oil in the inside of the oil storage groove 71 cannot flow out through the oil inlet 72.

[0059] The working principle of the threaded connection anti-loose assembly provided by the utility model is as follows:

[0060] Firstly, the oil pipe is inserted into the inside of the oil inlet 72, then the lubricating oil is added into the inside of the oil storage tank 71, and the lubricating oil flows into the thread groove on the inner surface of the threaded block 51 through the lubricating port 73, and then the threaded block 51 is screwed, under the action of the lubricating oil, the threaded block 51 is screwed out of the outer surface of the bolt 1.

[0061] Compared with the related art, the threaded connection anti-loosening assembly has the following beneficial effects:

[0062] The threaded connection anti-loosening assembly can add the lubricating oil into the inside of the oil storage tank 71 through the oil inlet 72, and the lubricating oil flows into the inside of the thread groove of the threaded block 51 through the lubricating port 73, so that the inner surface of the threaded block 51 and the outer surface of the bolt 1 are lubricated, the surface rust of the bolt 1 and the threaded block 51 is prevented, and the threaded block 51 is inconvenient to screw.

[0063] The above is only the embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion using the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A threaded connection anti-unscrewing assembly, characterized in that, The utility model provides a bolt, the surface of the bolt is provided with a first connecting component, the first connecting component includes sliding groove and fixed hole, the second connecting component is arranged in the inside of the bolt, the second connecting component includes first reset spring and sliding block, the first fixed component is arranged on the surface of the sliding block, and the first fixed component includes second reset spring and fixed tooth block, the nut assembly is arranged on the outer surface of the bolt, and the nut assembly includes threaded block and fixed tooth ring, the second fixed component is arranged in the inside of the bolt, and the second fixed component includes fixed rod and fixed spring block. The sliding groove is opened on the surface of the bolt, and the fixed hole is opened on the inner surface of the bottom of the bolt. One end of the first reset spring is fixedly connected to the inner surface of the top of the bolt, and the sliding block is fixedly connected to the other end of the first reset spring. The second reset spring is movably installed in the inside of the sliding block, the fixed tooth block is fixedly connected to one end of the second reset spring, and the fixed tooth block is movably embedded in the inside of the sliding groove. The threaded block is screwedly connected to the outer surface of the bolt, the fixed tooth ring is fixedly connected to the top of the threaded block, and the fixed tooth block is fixedly connected to the inner surface of the fixed tooth ring. The fixed rod is fixedly embedded in the inside of the bolt, the surface of the fixed rod is movably connected to one end of the fixed tooth block, the fixed spring block is movably installed at the bottom of the fixed rod, and one end of the fixed spring block is fixedly embedded in the inside of the fixed hole.

2. A threaded connection anti -unthreading assembly according to claim 1, characterized in that, The inside of the threaded block is provided with a lubricating assembly, the lubricating assembly includes an oil storage groove, the oil storage groove is opened in the inside of the threaded block, one end of the oil storage groove is fixedly connected with an oil inlet, and one end of the oil storage groove close to the inner surface of the threaded block is fixedly connected with a lubricating port.

3. A threaded connection anti -unthreading assembly according to claim 1, characterized in that, ​ 4. A threaded connection anti -unthreading assembly according to claim 1, characterized in that, ​ 5. A threaded connection anti -unthreading assembly according to claim 1, characterized in that, ​ 6. In a threaded connection anti -unthreading assembly according to claim 1, wherein ​ 7. A threaded connection anti -unthreading assembly according to claim 1, characterized in that, ​

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