Anti-loosening self-locking nut

Abstract

The anti-loosening self-locking nut comprises a first nut assembly, a second nut assembly, a gasket assembly and an alarm assembly, the upper end of the first nut assembly is connected with the second nut assembly in a sliding mode, the upper end of the second nut assembly is connected with the gasket assembly in a sliding mode, and the upper end of the gasket assembly is connected with the alarm assembly in a sliding mode. The device is characterized by further comprising a first nut assembly; the front end and the rear end of the first nut body are slidably connected with the inserting blocks through the sliding grooves. The internal waterproof ring is fixedly connected to the upper end of the first nut main body; the sliding grooves are formed in the front end and the rear end of the first nut body. The sliding rod is fixedly connected to the upper end of the sliding groove; the rear end of the inserting block is in sliding connection with the sliding rod; and by arranging the alarm assembly capable of detecting and prompting whether the nut falls off or not, the device can detect and prompt when falling off due to vibration, so that a worker can discover that the fixed device falls off in time, and the fixed device is prevented from being damaged due to falling off.

Description

TECHNICAL FIELD

[0001] The utility model relates to the self locking nut relevant field, concretely is a kind of anti-loosening self locking nut. BACKGROUND

[0002] Self locking nut is a kind of nut that can be self-locked by friction, and general nut will be loosened due to vibration and other reasons in use process, to prevent this phenomenon, so self locking nut is invented, and the function of self locking nut is mainly anti-loosening and anti-vibration, and it is used in special occasions, and its working principle is generally self-locked by friction, and self locking nut is classified by function, and the types include embedded nylon ring, neck closing and metal anti-loosening device, and they all belong to effective torque type anti-loosening nut (can refer to GB / T3098.9-2002 national standard).

[0003] For example, the anti-loosening self locking nut for fixing rail turnout lever is disclosed in (authorized announcement number CN204784078U), which comprises a retaining ring lock nut, a lock key device, an unlocking key and a lock pin, the retaining ring lock nut is connected with the lock key device inside through thread, the lock key device is provided with an unlocking hole, the unlocking key is unlocked through the unlocking hole, and the lock pin is arranged in the lock key device.

[0004] The above device fixes and self-locks the lock nut and lever through the lock pin, and the lock nut must be unlocked by the unlocking key, so as to prevent the lock nut from falling off due to various reasons, improve the safety factor, but the above device does not have a device for detecting and prompting whether the nut falls off, so that the above device cannot be detected and prompted when it falls off due to vibration, and the fixed device cannot be found in time and damaged. UTILITY MODEL CONTENTS

[0005] Therefore, in order to solve the above problems, the utility model provides an anti-loosening self locking nut.

[0006] The utility model discloses a kind of anti-loosening self-locking nuts, the device includes first nut assembly, second nut assembly, gasket assembly, alarm assembly, the first nut assembly upper end is slidably connected with second nut assembly, the second nut assembly upper end is slidably connected with gasket assembly, the gasket assembly upper end is slidably connected with alarm assembly, it is characterized by: still including first nut assembly;First nut body, the first nut body front and rear ends are slidably connected by sliding slot and insert block;Internal waterproof ring, the internal waterproof ring is fixedly connected on the first nut body upper end;Sliding slot, the sliding slot is located in the first nut body front and rear ends;Slide bar, the slide bar is fixedly connected on the upper end of sliding slot;Insert block, the insert block rear end is slidably connected with slide bar;Spring, the spring front end is fixedly connected on the lower end of sliding slot, the spring middle part is also slidably connected with insert groove pressure block front end;Insert groove pressure block, the insert groove pressure block front end is slidably connected with insert block lower end and is placed in the spring middle part;Fastening gasket, the fastening gasket is fixedly connected with insert groove pressure block rear end and is placed in the first nut body interior, the fastening gasket front end is fixedly connected with spring rear end.

[0007] Preferably, the second nut assembly includes; Second nut body, the second nut body lower end is slidably connected with the first nut body upper end;Connecting ring groove, the connecting ring groove is located in the second nut body middle part;Lower waterproof gasket groove, the lower waterproof gasket groove is located in the second nut body lower end;External waterproof ring, the external waterproof ring is fixedly connected in lower waterproof gasket groove;Connecting buckle ring, the connecting buckle ring is slidably connected with second nut body through connecting ring groove;Iron wire, the iron wire front end is fixedly connected with connecting buckle ring.

[0008] Preferably, the gasket assembly includes; Lower tooth surface butterfly washer, the lower tooth surface butterfly washer upper end is slidably connected with upper tooth surface butterfly washer;Upper tooth surface butterfly washer, the upper tooth surface butterfly washer upper end is slidably connected with the first nut body lower end;Warning nut block, the warning nut block lower end is slidably connected with the second nut body upper end;Device inner groove, the device inner groove is located in warning nut block;Connecting threaded block, the connecting threaded block is fixedly connected in warning nut block middle part;Buckle groove, the buckle groove is located in warning nut block upper end.

[0009] Preferably, the alarm assembly comprises: a transparent lampshade, a lower end of the transparent lampshade is slidably connected with a warning nut block through a buckle groove, and a middle part of the transparent lampshade is also slidably connected with a connecting threaded block; a warning lamp strip is fixedly connected to an upper end of the transparent lampshade; a waterproof gasket is fixedly connected to a lower end of the transparent lampshade; a battery is fixedly connected in the warning nut block; a controller is also fixedly connected in the warning nut block; a pressure sensor is fixedly connected in the warning nut block, and a front end detection rod is arranged in the connecting threaded block; and a wireless signal transceiver is fixedly connected in the transparent lampshade, and a signal transceiving antenna is arranged at an upper end of the transparent lampshade.

[0010] Preferably, the plug block, the spring, the plug slot pressure block and the fastening gasket are all provided with two groups.

[0011] Preferably, a lower end of the external waterproof ring is slidably connected with the first nut body.

[0012] Preferably, the waterproof gasket is slidably connected with an upper end of the warning nut block through an equipment inner groove.

[0013] The utility model has the advantages that: compared with the same type of equipment, the utility model improves a loosening-preventing self-locking nut, and has the following improvements:

[0014] The loosening-preventing self-locking nut provided by the utility model can detect and prompt whether the nut falls off, so that the device can detect and prompt when falling off due to vibration, and the staff can find the falling-off device in time to avoid damage. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 is a structural schematic view of the utility model;

[0016] Fig. 2 is a structural schematic view of a first nut assembly of the utility model;

[0017] Fig. 3 is a structural schematic view of a second nut assembly of the utility model;

[0018] Fig. 4 is a structural schematic view of a gasket assembly of the utility model;

[0019] Fig. 5 is a structural schematic view of an alarm assembly of the utility model.

[0020] The components include: First Nut Assembly-1, First Nut Body-11, Internal Waterproof Ring-12, Slide Groove-13, Slide Rod-14, Insert Block-15, Spring-16, Slot Pressure Block-17, Fastening Washer-18, Second Nut Assembly-2, Second Nut Body-21, Connecting Ring Groove-22, Lower Waterproof Washer Groove-23, External Waterproof Ring-24, Connecting Buckle Ring-25, Iron Wire-26, Washer Assembly-3, Lower Toothed Butterfly Washer-31, Upper Toothed Butterfly Washer-32, Warning Nut Block-33, Equipment Inner Groove-34, Connecting Thread Block-35, Buckle Groove-36, Alarm Assembly-4, Transparent Lamp Cover-41, Warning Lamp Strip-42, Waterproof Washer-43, Battery-44, Controller-45, Pressure Sensor-46, and Wireless Signal Transceiver-47. Detailed Implementation

[0021] The following is in conjunction with the appendix Figs. 1-5 The principles and features of this utility model are described below. The examples given are for illustrative purposes only and are not intended to limit the scope of this utility model. The utility model is described more specifically in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of this utility model will become clearer from the following description. It should be noted that the drawings are all in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the illustration of the embodiments of this utility model.

[0022] It should be noted that when a component is described as "fixed to" another component, it can be directly on the other component or may have a component in between. When a component is considered "connected to" another component, it can be directly connected to the other component or may have a component in between. When a component is considered "set on" another component, it can be directly set on the other component or may have a component in between. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0024] Example 1:

[0025] Please see Figs. 1-5The utility model discloses a kind of anti-loosening self-locking nuts, including first nut assembly 1, second nut assembly 2, gasket assembly 3, alarm assembly 4, first nut assembly 1 upper end is slidably connected with second nut assembly 2, second nut assembly 2 upper end is slidably connected with gasket assembly 3, gasket assembly 3 upper end is slidably connected with alarm assembly 4, it is characterized by: including first nut assembly 1, first nut main body 11 front and rear ends are slidably connected with plug block 15 by sliding slot 13, inside waterproof ring 12 is fixedly connected on first nut main body 11 upper end, sliding slot 13 is located at first nut main body 11 front and rear ends, slide rod 14 is fixedly connected on sliding slot 13 upper end, plug block 15 rear end is slidably connected with slide rod 14, spring 16 front end is fixedly connected on sliding slot 13 lower end, spring 16 middle part is also slidably connected with plug-in groove pressure block 17 front end, first pull down plug block 15 and separate from plug-in groove pressure block 17 front end, then when staff pull plug-in groove pressure block 17, spring 16 can be driven to contract with fastening gasket 18 and external screw simultaneously separate, so that staff can rotate and detach first nut main body 11 from external screw, plug-in groove pressure block 17 front end is slidably connected with plug block 15 lower end and is placed in spring 16 middle part, fastening gasket 18 is fixedly connected with plug-in groove pressure block 17 rear end and is placed in first nut main body 11 inside, fastening gasket 18 front end is fixedly connected with spring 16 rear end, plug block 15, spring 16, plug-in groove pressure block 17 and fastening gasket 18 are equipped with two groups;

[0026] Second nut assembly 2, second nut main body 21 lower end is slidably connected with first nut main body 11 upper end, connecting ring groove 22 is located at second nut main body 21 middle part, lower waterproof gasket groove 23 is located at second nut main body 21 lower end, external waterproof ring 24 is fixedly connected in lower waterproof gasket groove 23, connecting buckle ring 25 is slidably connected with second nut main body 21 by connecting ring groove 22, iron wire 26 front end is fixedly connected with connecting buckle ring 25, iron wire 26 rear end is fixedly connected with second group connecting buckle ring 25 and second group second nut main body 21 is slidably connected with second group connecting buckle ring 25, external waterproof ring 24 lower end is slidably connected with first nut main body 11;

[0027] Gasket assembly 3, lower tooth surface butterfly washer 31 upper end is slidably connected with upper tooth surface butterfly washer 32, upper tooth surface butterfly washer 32 upper end is slidably connected with first nut main body 11 lower end, after lower tooth surface butterfly washer 31 and upper tooth surface butterfly washer 32 are connected, can pass through sawtooth occlusal contact surface effect, resist vibration or under the loosening of alternating load and prevent the device from falling off, warning nut block 33 lower end is slidably connected with second nut main body 21 upper end, equipment inner groove 34 is located in warning nut block 33, connecting thread block 35 is fixedly connected in warning nut block 33 middle part, buckle groove 36 is located at warning nut block 33 upper end.

[0028] The utility model discloses an anti -loosening self -locking nut through improvement provides, and its working principle is as follows:

[0029] First, when using the device, first place the device in the working area, then connect the device with the external power supply, which can provide the required power for the device to work.

[0030] Second, when the device is needed, the lower tooth surface butterfly washer 31 and the upper tooth surface butterfly washer 32 can be placed on the external screw, then the first nut body 11 is rotated to connect with the external screw to apply pressure to the lower tooth surface butterfly washer 31 and the upper tooth surface butterfly washer 32 and fasten them together, then the second nut body 21 and the warning nut block 33 are connected with the external screw in turn to fasten them, then the first group of connecting buckle rings 25 are connected with the second nut body 21, then the second group of connecting buckle rings 25 at the rear end of the iron wire 26 are connected with the second group of connecting buckle rings 25 of the second nut body 21 to fix them, then the middle part of the iron wire 26 is clamped and rotated to fasten the two groups of second nut bodies 21 together to fix them and prevent the device from falling off, and the rain gap can be avoided from entering the screw interior to cause rust through the setting of the internal waterproof ring 12, the external waterproof ring 24 and the waterproof washer 43, then the spring 16 is stretched and contracted by pressing the slot pressure block 17, and the gasket 18 is moved to contact and clamp the screw, then the plug 15 is pushed downward to connect with the rear end of the slot pressure block 17 to limit and fix it to increase the fastening degree of the device.

[0031] Embodiment two:

[0032] Please refer to Figs. 1-5 Compared with embodiment one, the utility model discloses a kind of anti-loosening self-locking nuts, and the embodiment further includes: alarm assembly 4, transparent lamp shade 41 lower end is slidably connected with warning nut block 33 by buckle slot 36, transparent lamp shade 41 middle part is also slidably connected with connecting thread block 35, warning light band 42 is fixedly connected on the upper end of transparent lamp shade 41, warning light band 42 can issue warning red light to prompt surrounding staff after starting, waterproof washer 43 is fixedly connected on the lower end of transparent lamp shade 41, battery 44 is fixedly connected in warning nut block 33, battery 44 is connected with warning light band 42, controller 45, pressure sensor 46 and wireless signal transceiver 47 for power supply by electric wire, controller 45 is also fixedly connected in warning nut block 33, pressure sensor 46 is fixedly connected in warning nut block 33 and front end detection rod is placed in connecting thread block 35, wireless signal transceiver 47 is fixedly connected in transparent lamp shade 41 and signal receiving antenna is placed on the upper end of transparent lamp shade 41, waterproof washer 43 is slidably connected with the upper end of warning nut block 33 by equipment inner groove 34.

[0033] In the embodiment:

[0034] First, when the device needs to be prompted to the staff, the wireless signal can be sent to the wireless signal transceiver 47 through the external host after the warning nut block 33 is connected with the external screw, the starting signal is sent to the controller 45 for processing after the wireless signal transceiver 47 receives the data, and other components of the device are started, the axial tension generated between the connection of the device and the external screw is applied to the pressure sensor 46, the internal sensitive element (such as strain gauge or pressure sensitive element) of the sensor is deformed for detection, when the first nut body 11 and the second nut body 21 of the device are loosened and push the transparent lampshade 41 and the upper components to move due to external vibration, the pressure sensor 46 is started, the pressure sensitive resistor and other elements at the front end are deformed, the mechanical deformation is converted into an electrical signal, the signal is sent to the controller 45 through the data line for processing, and the warning light strip 42 is started when the controller 45 processes and finds that the device is loose and has the possibility of falling off, the warning red light is emitted to prompt the surrounding staff after the warning light strip 42 is started, and the loosening signal is sent to the external monitoring host for processing and display so that the staff can tighten the screw in time.

[0035] The utility model discloses an anti -loosening self -locking nut through improvement provides a kind of anti -loosening self -locking nut, through being provided with the alarm component 4 that can detect whether the nut falls off and prompt, make the device can detect and prompt when falling off due to vibration to let staff can find in time to avoid fixed device falling off damage.

[0036] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model, and the standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolt rivet, welding in the prior art, and the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0037] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A kind of anti-loosening self-locking nut, comprising first nut assembly (1), second nut assembly (2), gasket assembly (3), alarm assembly (4), the upper end of the first nut assembly (1) is slidably connected with the second nut assembly (2), the upper end of the second nut assembly (2) is slidably connected with the gasket assembly (3), the upper end of the gasket assembly (3) is slidably connected with the alarm assembly (4), it is characterized by: Also include the first nut assembly (1); First nut body (11), the first nut body (11) front and rear ends are connected with the plug-in block (15) through the sliding slot (13) slidingly; Internal waterproof ring (12), the internal waterproof ring (12) is fixedly connected to the upper end of the first nut body (11); Sliding slot (13), the sliding slot (13) is provided at the front and rear ends of the first nut body (11); Slide rod (14), the slide rod (14) is fixedly connected to the upper end of the sliding slot (13); Plug-in block (15), the rear end of the plug-in block (15) is connected with the slide rod (14) slidingly; Spring (16), the front end of the spring (16) is fixedly connected to the lower end of the sliding slot (13), and the middle part of the spring (16) is further connected with the front end of the plug-in slot pressure block (17) slidingly; Plug-in slot pressure block (17), the front end of the plug-in slot pressure block (17) is connected with the lower end of the plug-in block (15) slidingly and is arranged in the middle part of the spring (16); Fastening gasket (18), the fastening gasket (18) is fixedly connected to the rear end of the plug-in slot pressure block (17) and is arranged in the first nut body (11), and the front end of the fastening gasket (18) is fixedly connected with the rear end of the spring (16).

2. The self-locking nut according to claim 1, wherein: The second nut assembly (2) comprises; Second nut body (21), the lower end of the second nut body (21) is connected with the upper end of the first nut body (11) slidingly; Connecting ring groove (22), the connecting ring groove (22) is arranged in the middle part of the second nut body (21); Lower waterproof gasket groove (23), the lower waterproof gasket groove (23) is arranged at the lower end of the second nut body (21); External waterproof ring (24), the external waterproof ring (24) is fixedly connected in the lower waterproof gasket groove (23); Connecting buckle ring (25), the connecting buckle ring (25) is connected with the second nut body (21) slidingly through the connecting ring groove (22); Iron wire (26), the front end of the iron wire (26) is fixedly connected with the connecting buckle ring (25).

3. The self-locking nut of claim 1, wherein: The gasket assembly (3) comprises; Lower tooth surface butterfly gasket (31), the upper end of the lower tooth surface butterfly gasket (31) is connected with the upper tooth surface butterfly gasket (32) slidingly; Upper tooth surface butterfly gasket (32), the upper end of the upper tooth surface butterfly gasket (32) is connected with the lower end of the first nut body (11) slidingly; Warning nut block (33), the lower end of the warning nut block (33) is connected with the upper end of the second nut body (21) slidingly; Device inner groove (34), the device inner groove (34) is arranged in the warning nut block (33); Connecting threaded block (35), the connecting threaded block (35) is fixedly connected to the middle part of the warning nut block (33); Buckle groove (36), the buckle groove (36) is arranged at the upper end of the warning nut block (33).

4. The self-locking nut of claim 1, wherein: The alarm assembly (4) comprises; Transparent lampshade (41), the lower end of the transparent lampshade (41) is connected with the warning nut block (33) slidingly through the buckle groove (36), and the middle part of the transparent lampshade (41) is further connected with the connecting threaded block (35) slidingly; Warning light strip (42), the warning light strip (42) is fixedly connected to the upper end of the transparent lampshade (41); A waterproof gasket (43) is fixedly connected to the lower end of the transparent lampshade (41); A battery (44) is fixedly connected in the warning nut block (33); A controller (45) is also fixedly connected in the warning nut block (33); A pressure sensor (46) is fixedly connected in the warning nut block (33) and the front end detection rod is placed in the connecting threaded block (35); A wireless signal transceiver (47) is fixedly connected in the transparent lampshade (41) and the signal transceiving antenna is placed on the upper end of the transparent lampshade (41).

5. The self-locking nut of claim 1, wherein: The plug block (15), spring (16), plug slot pressure block (17) and fastening gasket (18) are each provided with two groups.

6. The self-locking nut of claim 2, wherein: The lower end of the external waterproof ring (24) is slidably connected with the first nut body (11).

7. The self-locking nut of claim 4, wherein: The waterproof gasket (43) is slidably connected with the upper end of the warning nut block (33) through the equipment inner groove (34).

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