Anti-loosening anti-vibration nut

Abstract

The utility model relates to the technical field of nuts, in particular to an anti-loosening and anti-vibration nut which comprises a bolt, threads matched with each other are arranged on the outer periphery of the bolt and the inner periphery of the nut, a rotating ring is rotatably connected to the nut, a circular ring block is fixedly connected to the top face of the rotating ring, a pressing block is arranged in the circular ring block in the circumferential direction, and the pressing block is fixedly connected to the top face of the rotating ring. The pressing block is driven by a stretching assembly installed on the circular ring block to slide, a cavity is formed in the nut, and oil coating holes are evenly formed in the cavity in the axial direction. The nut is provided with the pressing block, the screw rod, the knob and other components, the knob is rotated, then the knob enables the screw rod to be close to the bolt through the threaded connection relation, and therefore the pressing block abuts against the bolt, the anti-sliding block extrudes threads on the bolt, the nut can be fixed to the bolt, and the nut can be prevented from being loosened due to vibration; therefore, the use stability of the nut is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to nut technical field especially relates to a kind of anti-loose shock nut. BACKGROUND

[0002] Nut is a kind of commonly used fastener, usually cooperates with bolt, to connect or fix two or more components. Its appearance is generally hexagonal or circular, with internal thread, by rotating nut to make it with the outer thread of bolt combined, so that the component to be connected is fastened together.

[0003] The existing nut is prone to loosening after installation due to factors such as vibration, thereby affecting the fastening of component connection. In order to prevent the nut from being corroded and prolong the service life of the nut, lubricating oil is usually added between the nut and the screw. However, if it is directly added, not only the adding method is inconvenient, but also too much lubricating oil can easily seep out from between the nut and the screw, and too little lubricating oil can not be evenly applied, thereby affecting the use of the nut. Therefore, the utility model provides an anti-loose shock nut to solve at least one of the above problems. SUMMARY

[0004] In order to overcome the technical problems in the background art, the utility model provides an anti-loose shock nut.

[0005] Technical scheme: an anti-loose shock nut, comprising a bolt, the bolt outer periphery and the nut inner periphery are provided with mutually matched threads, a rotating ring is rotatably connected to the nut, a top surface of the rotating ring is fixedly connected with a circular block, a pressing block is arranged around the circular block, the pressing block is driven to slide by a stretching assembly installed on the circular block, a cavity is arranged in the nut, a plurality of oil coating holes are uniformly arranged in the cavity, a shielding plate for shielding the oil coating holes is sealingly and slidably connected in the nut, the shielding plate is driven to slide by a pulling assembly installed on the circular block.

[0006] The shielding plate is T-shaped, the shielding plate divides the cavity into an oil inlet cavity and a movable cavity, an oil inlet hole is arranged on the side wall of the oil inlet cavity, a breathable hole is arranged on the movable cavity, and a rubber plug is installed at each of the oil inlet hole and the breathable hole.

[0007] Further, the pulling assembly comprises a pull ring and a connecting rod, one side of the circular block is provided with a pull ring, the pull ring and the shielding plate are connected with each other through a connecting rod, and the connecting rod penetrates the circular block and the rotating ring.

[0008] Further, the bottom surface of the pull ring and the top surface of the circular block are both provided with magnets, and the pull ring and the circular block are magnetically connected.

[0009] Further, the stretching assembly comprises a screw rod and a knob, the knob is rotationally connected to the outer wall of the circular block, the pressing block is fixedly connected with the screw rod on the side away from the bolt, the screw rod penetrates the circular block and is threadedly connected with the knob, the screw rod is provided with a groove, and the circular block is provided with a protrusion matched with the groove.

[0010] Further, the side surface of the pressing block close to the bolt is provided with an anti-skid block.

[0011] Further, the oil inlet hole is provided with a one-way valve.

[0012] Further, the lower end of the shielding plate is provided with stirring plates which are uniformly distributed on the outer wall in the circumferential direction.

[0013] Compared with the prior art, the utility model has the following advantages:

[0014] 1, the utility model discloses a pressing block, screw rod and knob and other components are provided, rotate the knob, and then the threaded connection of the knob makes the screw rod close to the bolt, so that the pressing block and the bolt abut, and then the anti-skid block is extruded with the thread on the bolt, and then the nut can be fixed on the bolt, can avoid the nut loosening due to vibration, thereby effectively improving the stability of the nut when using.

[0015] 2, the utility model discloses a pull ring, connecting rod and shielding plate and other components, after lubricating oil is passed into the oil inlet cavity 2013, the space in the oil inlet cavity is extruded using the shielding plate, so that the lubricating oil is extruded into the oil hole, and then the lubricating oil is extruded between the bolt and the nut, so that the lubricating oil can be directly added between the bolt and the nut, thereby avoiding the waste caused by the lubricating oil falling. DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0017] Figure 2 It is a schematic view of the nut, circular block and pull ring and other components of the utility model.

[0018] Figure 3 It is a sectional view of the nut, circular block and pull ring and other components of the utility model.

[0019] Figure 4 It is a sectional view of the pressing block, knob and circular block and other components of the utility model.

[0020] In the above drawings: 101, bolt, 201, nut, 2011, cavity, 2012, oil hole, 2013, oil cavity, 2014, movable cavity, 2015, oil hole, 2016, air hole, 202, rotating ring, 203, circular block, 2031, protrusion, 204, pressing block, 205, baffle, 206, rubber plug, 301, pull ring, 302, connecting rod, 401, screw rod, 4011, groove, 402, knob, 501, anti-skid block, 502, one-way valve, 503, stirring plate. DETAILED DESCRIPTION

[0021] The utility model is further explained below in combination with the drawings and specific embodiments.

[0022] A kind of anti-loose shock nut, as shown in Figures 1-4 It includes bolt 101, the outer periphery of bolt 101 and the inner periphery of nut 201 are provided with mutually matched threads, nut 201 is rotatably connected with rotating ring 202, the top surface of rotating ring 202 is fixedly connected with circular block 203, circular block 203 is peripherally provided with pressing block 204, the side surface of pressing block 204 close to bolt 101 is provided with anti-skid block 501, anti-skid block 501 is of rubber material, can provide better grip, pressing block 204 is driven to realize sliding by the tensile assembly installed on circular block 203, when pressing block 204 and bolt 101 abut, anti-skid block 501 is extruded on the thread of bolt 101, so that nut 201 can be fixed on bolt 101, can avoid that nut 201 loosens due to vibration, to effectively improve the stability of nut 201 when using.

[0023] Specifically, tensile assembly includes screw rod 401 and knob 402, knob 402 is rotatably connected on the outer side wall of circular block 203, screw rod 401 is fixedly connected on the side of pressing block 204 away from bolt 101, screw rod 401 penetrates circular block 203 and is threadedly connected with knob 402, screw rod 401 is provided with groove 4011, circular block 203 is provided with protrusion 2031 matched with groove 4011, so that it can prevent screw rod 401 from rotating, it can be known that, when using, knob 402 is rotated, and then knob 402 makes screw rod 401 close to bolt 101 by the threaded connection, so that pressing block 204 and bolt 101 abut, and then anti-skid block 501 is extruded on the thread of bolt 101, so that nut 201 can be fixed on bolt 101, can avoid that nut 201 loosens due to vibration, to effectively improve the stability of nut 201 when using.

[0024] Further, the nut 201 is provided with a cavity 2011, the cavity 2011 is uniformly provided with oiling holes 2012 in the axial direction, the nut 201 is sealingly and slidably connected with a shielding plate 205 for shielding the oiling holes 2012, the shielding plate 205 is driven to slide by a pulling assembly installed on the circular ring block 203; the shielding plate 205 is T-shaped, the lower part of the shielding plate 205 divides the oiling holes 2012 and the cavity 2011, and the upper part of the shielding plate 205 divides the cavity 2011 into an oil inlet cavity 2013 and a movable cavity 2014, the oil inlet cavity 2013 is provided with an oil inlet hole 2015 on the side wall, the movable cavity 2014 is provided with a breathable hole 2016, and rubber plugs 206 are installed at the oil inlet hole 2015 and the breathable hole 2016;

[0025] Specifically, the pulling assembly includes a pull ring 301 and a connecting rod 302, the circular ring block 203 is provided with the pull ring 301 on one side, the pull ring 301 and the shielding plate 205 are connected with each other through the connecting rod 302, and the connecting rod 302 penetrates the circular ring block 203 and the rotating ring 202; the bottom surface of the pull ring 301 and the top surface of the circular ring block 203 are both provided with magnets, and the pull ring 301 and the circular ring block 203 are magnetically connected; the outer side wall of the lower end of the shielding plate 205 is uniformly distributed with stirring plates 503 in the circumferential direction, so that when the lubricating oil needs to be added, the pressing block 204 is loosened first, then the rubber plugs 206 at the oil inlet hole 2015 and the breathable hole 2016 are opened, an oil pipe is connected to the oil inlet hole 2015, and then the lubricating oil is filled into the oil inlet cavity 2013, if the lubricating oil is relatively viscous, the circular ring block 203 is rotated, the circular ring block 203 drives the rotating ring 202 to rotate, the rotating ring 202 drives the connecting rod 302 to rotate, the connecting rod 302 drives the shielding plate 205 to rotate, the shielding plate 205 drives the stirring plates 503 to rotate, and the relatively viscous lubricating oil is uniformly distributed in the oil inlet cavity 2013, after the filling is completed, the pull ring 301 is pulled to separate the pull ring 301 from the circular ring block 203, the pull ring 301 drives the shielding plate 205 to move, the air in the movable cavity 2014 flows out from the breathable hole 2016, the oil inlet cavity 2013 is communicated with the oiling holes 2012, then the pull ring 301 is moved in the opposite direction, the shielding plate 205 extrudes the space in the oil inlet cavity 2013, so that the lubricating oil is extruded into the oiling holes 2012, and then the lubricating oil is extruded into the space between the bolt 101 and the nut 201, so that the lubricating oil is not directly added into the space between the bolt 101 and the nut 201, and the waste caused by the lubricating oil falling is avoided, after the lubricating oil is added, the pull ring 301 is reset, the shielding plate 205 is reset, and the pull ring 301 and the circular ring block 203 are magnetically connected, so that the shielding plate 205 is fixed, and the shielding plate 205 is prevented from moving.

[0026] The above merely describes a specific implementation of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A lock washer and shock resistant nut comprising a bolt (101), characterized in that, The outer periphery of the bolt (101) and the inner periphery of the nut (201) are provided with matched threads, the nut (201) is rotationally connected with a rotating ring (202), the top surface of the rotating ring (202) is fixedly connected with a circular ring block (203), the inner periphery of the circular ring block (203) is provided with a pressing block (204), the pressing block (204) is driven to slide by a pulling assembly installed on the circular ring block (203), the nut (201) is provided with a cavity (2011), the cavity (2011) is uniformly provided with oiling holes (2012) in the axial direction, the nut (201) is sealingly and slidably connected with a shielding plate (205) for shielding the oiling holes (2012), and the shielding plate (205) is driven to slide by a pulling assembly installed on the circular ring block (203). The shielding plate (205) is T-shaped, the shielding plate (205) divides the cavity (2011) into an oil inlet cavity (2013) and a movable cavity (2014), the side wall of the oil inlet cavity (2013) is provided with an oil inlet hole (2015), the movable cavity (2014) is provided with a breathable hole (2016), and rubber plugs (206) are installed at the oil inlet hole (2015) and the breathable hole (2016).

2. The anti-loose and shock-resistant nut according to claim 1, characterized in that, The pulling assembly comprises a pull ring (301) and a connecting rod (302), one side of the circular ring block (203) is provided with a pull ring (301), the pull ring (301) and the shielding plate (205) are connected with each other through a connecting rod (302), and the connecting rod (302) penetrates the circular ring block (203) and the rotating ring (202).

3. A lock washer according to claim 2, wherein the plurality of teeth are arranged in a plurality of rows, each row having a plurality of teeth, and the plurality of teeth in each row are arranged in a staggered pattern. The bottom surface of the pull ring (301) and the top surface of the circular ring block (203) are provided with magnets, and the pull ring (301) and the circular ring block (203) are magnetically connected.

4. A lock washer according to claim 3, wherein the plurality of teeth are arranged in a plurality of rows, each row having a plurality of teeth, and the plurality of teeth in each row are arranged in a staggered pattern. The pulling assembly comprises a screw rod (401) and a knob (402), the outer side wall of the circular ring block (203) is rotationally connected with a knob (402), the side of the pressing block (204) away from the bolt (101) is fixedly connected with a screw rod (401), the screw rod (401) penetrates the circular ring block (203) and is threadedly connected with the knob (402), the screw rod (401) is provided with a groove (4011), and the circular ring block (203) is provided with a protrusion (2031) matched with the groove (4011).

5. A lock washer according to claim 4, wherein the plurality of teeth are arranged in a plurality of rows, each row having a plurality of teeth, and the plurality of teeth in each row are arranged in a staggered pattern. The side of the pressing block (204) close to the bolt (101) is provided with an anti-skid block (501).

6. A lock washer according to claim 5, wherein the plurality of teeth are arranged in a plurality of rows, each row having a plurality of teeth, and the plurality of teeth in each row are arranged in a staggered pattern. The oil inlet hole (2015) is provided with a one-way valve (502).

7. A lock washer according to claim 6 wherein the plurality of teeth are arranged in a plurality of rows. The outer side wall of the lower end of the shielding plate (205) is circumferentially and uniformly provided with stirring plates (503).

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