CN220929907U

CN220929907U - Anti-loosening fastener

Info

Publication number: CN220929907U
Application number: CN202322504659.8U
Authority: CN
Inventors: 陈淑波
Original assignee: Jiaxing Zhonggu Hardware Co ltd
Current assignee: Jiaxing Zhonggu Hardware Co ltd
Priority date: 2023-09-14
Filing date: 2023-09-14
Publication date: 2024-05-10
Anticipated expiration: 2033-09-14

Abstract

The utility model discloses a locking fastener, which belongs to the technical field of fasteners and comprises a bolt and a nut, wherein the bolt comprises a screw rod and a nut, the screw rod is in threaded connection with the nut, a limit groove is formed in the screw rod, a locking piece is arranged in the limit groove, the locking piece comprises a first spring, a limiting block, a fixed plate, a second spring, a moving block and a sliding block, the limiting block stretches into the limit groove, the limiting block is hinged with the screw rod, the first spring is arranged in the limit groove and is respectively fixed on the inner wall of the limit groove and the limiting block, the limiting block is provided with the fixed groove and a sliding groove, one end of the moving block stretches into the fixed groove and the other end of the moving block is hinged with the fixed plate, the sliding block stretches into the sliding groove and is fixedly connected with the moving block, and the second spring is arranged in the fixed groove.

Description

Anti-loosening fastener

Technical Field

The utility model relates to the technical field of fasteners, in particular to a locking fastener.

Background

The fastener is a generic term for a type of mechanical part used when two or more parts (or members) are fastened together as a unit, and is also referred to as a standard in the market. The primary function of the fastener is to maintain the position and integrity of the components by creating a mechanical connection that can be used to join two or more components or to secure the components to a structure or surface.

The fastener in the existing market is mostly bolt and nut, utilizes bolt and nut to fasten the equipment that needs to connect fixedly, then most equipment often can shake in use or working process, and long-time vibrations can lead to ordinary nut bolted connection to appear not hard up, lead to can not satisfying the fastening effect to its practicality has been reduced.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model aims to provide a fastener with an anti-loosening effect.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a locking fastener that moves, including bolt and nut, the bolt includes screw rod and nut, screw rod and nut fixed connection, screw rod and nut threaded connection, it has two corresponding spacing grooves to open on the screw rod, all be equipped with the retaining member in two corresponding spacing grooves, the retaining member includes first spring, the stopper, the fixed plate, the second spring, movable block and slider, the spacing inslot is stretched into to the one end of stopper, the one end and the screw rod of stopper are articulated, the spacing inslot is arranged in to the first spring and both ends of first spring are fixed in spacing inslot wall and stopper respectively on, it has fixed slot and spout to open on the stopper, fixed slot and spout intercommunication, the one end of movable block stretches into in the fixed slot and the other end of movable block is articulated with the fixed plate, the slider stretches into in the spout and with movable block fixed connection, the fixed slot is arranged in to the second spring and the both ends of second spring are contradicted movable block and fixed slot inner wall respectively.

The utility model is further provided with a fixing piece on the nut, the fixing piece comprises a connecting rod, a positioning block and a positioning piece, two corresponding connecting holes are formed in the nut, one end of the connecting rod is fixedly connected with the positioning block, the connecting rod is arranged in the connecting holes to slide, the other end of the connecting rod is fixedly connected with the positioning piece, an external thread is arranged at the other end of the connecting rod, a threaded hole corresponding to the connecting rod is formed in the nut, and the connecting rod is in threaded connection with the threaded hole.

The utility model is further arranged that the positioning block is provided with a cross groove.

The utility model is further provided that the screw is sleeved with a gasket, and the gasket is a rubber ring.

The utility model is further provided with a positioning groove which corresponds to the fixing plate.

By adopting the technical scheme, the utility model has the beneficial effects that:

1. The object is passed through the screw rod and is connected with the nut thread, then the sliding block is driven by the sliding block and then the sliding block moves to further extrude the second spring, meanwhile, the moving block drives the fixed plate to move, and then the extrusion force of the limiting block to the first spring is reduced, and then the first spring rebounds to enable the limiting block to move out of the limiting groove, and then the fixed plate is abutted against the nut, so that the nut is prevented from being loosened due to long-time vibration, and the fastening effect cannot be met.

2. One end through the connecting rod passes equipment and with screw hole threaded connection on the nut, locating piece extrusion nut simultaneously, locating piece extrusion nut, and then further fix the nut, thereby prevent that the nut from receiving long-time vibrations and producing not hard up, lead to can not satisfying fastening effect.

Drawings

Figure 1 is a schematic view of a construction of a loosening prevention fastener,

Figure 2 is a cross-sectional view A-A of a tamper-evident fastener,

Figure 3 is a B-B cross-sectional view of a loosening preventing fastener,

Description of the drawings: 1-bolt, 101-screw rod, 102-nut, 2-nut, 3-limit groove, 4-locking piece, 41-first spring, 42-limit block, 43-fixed plate, 44-second spring, 45-movable block, 46-slider, 5-fixed groove, 6-chute, 7-fixed piece, 71-connecting rod, 72-locating piece, 73-locating piece, 8-connecting hole, 9-threaded hole, 10-cross groove, 11-gasket, 12-locating slot.

Detailed Description

Embodiments of the present utility model will be further described with reference to fig. 1 to 3.

An anti-loosening fastener comprises a bolt 1, a nut 2, a locking piece 4 and a fixing piece 7; bolt 1 passes equipment and with nut 2 threaded connection, and then locks equipment, and rethread retaining member 4 contradicts the screw thread, simultaneously mounting 7 and bolt 1 fixed connection, and then further strengthen the locking to equipment, prevent equipment long-time vibrations, lead to nut 2 and bolt 1 to be connected and produce not hard up, and then lead to having satisfied the fastening effect to equipment.

Bolt 1 includes screw rod 101 and nut 102, screw rod 101 and nut 102 fixed connection, has cup jointed gasket 11 and gasket 11 comprises the rubber circle on the screw rod 101, makes gasket 11 increase frictional force for the rubber circle through being equipped with gasket 11 and gasket 11, leads to screw rod 101 can be more firm fix on equipment.

The locking piece 4 comprises a first spring 41, a limiting block 42, a fixed plate 43, a second spring 44, a moving block 45 and a sliding block 46, wherein two corresponding limiting grooves 3 are formed in the screw 101, the limiting block 42 stretches into the limiting grooves 3, one end of the limiting block 42 is hinged with the screw 101, the first spring 41 is arranged in the limiting grooves 3, one end of the first spring 41 is fixedly connected with the limiting grooves 3, the other end of the first spring 41 is fixedly connected with the limiting block 42, the other end of the limiting block 42 is provided with a fixed groove 5 and a sliding groove 6, the fixed groove 5 is communicated with the sliding groove 6, one end of the moving block 45 stretches into the fixed groove 5, the other end of the moving block 45 is hinged with the fixed plate 43, the second spring 44 is arranged in the fixed groove 5, two ends of the second spring 44 respectively abut against the fixed groove 5 and the moving block 45, the sliding block 46 is arranged in the sliding groove 6 and is fixedly connected with the moving block 45, the nut 2 is arranged between the locking piece 4 and the nut 102, and the nut 2 is provided with a positioning groove 12 corresponding to the fixed plate 43;

After the nut 2 is screwed into the screw rod 101, the sliding block 46 drives the sliding block 46 to drive the moving block 45 to move in the fixed groove 5, the moving block 45 further extrudes the second spring 44 to enable the second spring 44 to shrink, the moving block 45 simultaneously drives the fixed plate 43 to move, the limiting block 42 is ejected out of the limiting groove 3 through the elasticity of the first spring 41, the sliding block 46 is loosened, the second spring 44 is rebounded to enable the moving block 45 to move outwards until the fixed plate 43 stretches into the positioning groove 12 on the nut 2, the nut 2 is limited, and further the nut 2 is prevented from being loosened due to long-time vibration, and further the fastening effect cannot be met.

The fixing piece 7 comprises a connecting rod 71, a positioning block 72 and a positioning piece 73, two corresponding connecting holes 8 are formed in the nut 2, threaded holes 9 corresponding to the connecting blocks are formed in the nut 102, the connecting rod 71 is arranged in the connecting holes 8 to slide, external threads are arranged on the bottom end of the connecting rod 71, the bottom end of the connecting rod 71 is in threaded connection with the threaded holes 9, the positioning piece 73 is arranged at the bottom end of the connecting rod 71 and is abutted against the nut 102, the top end of the connecting rod 71 is fixedly connected with the positioning holes, and cross grooves 10 are formed in the positioning block 72;

The bottom of the connecting rod 71 passes through the device through the moving connecting rod 71 and is in threaded connection with the threaded hole 9 until the locating piece 73 is abutted against the nut 102, so that the locating piece 73 increases the friction force of the connecting rod 71 to the nut 102, the nut 2 is further firmly fixed on the screw 101, the nut 2 is prevented from loosening, and meanwhile, the cross groove 10 is formed in the locating block 72, so that the connecting rod 71 can be quickly screwed into the threaded hole 9 through a screwdriver, and the working efficiency is improved.

The above description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model, but one skilled in the art can make common changes and substitutions within the scope of the technical solution of the present utility model.

Claims

1. An anti-loosening fastener comprises a bolt (1) and a nut (2), and is characterized in that the bolt (1) comprises a screw rod (101) and a nut (102), the screw rod (101) is fixedly connected with the nut (2), the screw rod (101) is in threaded connection with the nut (2),

The utility model discloses a fixed slot type locking device for a mobile device, including screw rod (101) and fixed slot (45), it has two corresponding spacing groove (3) to open on screw rod (101), all be equipped with retaining member (4) in two corresponding spacing grooves (3), retaining member (4) are including first spring (41), stopper (42), fixed plate (43), second spring (44), movable block (45) and slider (46), in one end of stopper (42) stretches into spacing groove (3), one end and screw rod (101) of stopper (42) are articulated, first spring (41) are arranged in spacing groove (3) and on both ends of first spring (41) are fixed in spacing groove (3) inner wall and stopper (42) respectively, it has fixed slot (5) and spout (6) to open on stopper (42), the one end of movable block (45) stretches into in fixed slot (5) and the other end of movable block (45) is articulated with fixed plate (43), slider (46) stretch into in spout (6) and with movable block (45) and be fixed slot (45) inner wall (44) and fixed slot (45) are arranged in respectively.

2. The anti-loosening fastener according to claim 1, wherein the nut (2) is provided with a fixing piece (7), the fixing piece (7) comprises a connecting rod (71), a positioning block (72) and a positioning sheet (73), two corresponding connecting holes (8) are formed in the nut (2), one end of the connecting rod (71) is fixedly connected with the positioning block (72), the connecting rod (71) slides in the connecting holes (8), the other end of the connecting rod (71) is fixedly connected with the positioning sheet (73) and the other end of the connecting rod (71) is provided with external threads, a threaded hole (9) corresponding to the connecting rod (71) is formed in the nut (102), and the connecting rod (71) is in threaded connection with the threaded hole (9).

3. A loosening prevention fastener as claimed in claim 2, wherein the positioning block (72) is provided with a cross recess (10).

4. The anti-loosening fastener according to claim 1, wherein a gasket (11) is sleeved on the screw (101), and the gasket (11) is a rubber ring.

5. The anti-loosening fastener according to claim 1, wherein the nut (2) is provided with a positioning groove (12), and the positioning groove (12) corresponds to the fixing plate (43).