CN220396236U

CN220396236U - Lockable automobile fastener

Info

Publication number: CN220396236U
Application number: CN202322124725.9U
Authority: CN
Inventors: 潘俊俊; 葛祥; 李凤娟
Original assignee: Obeio Kunshan Automobile Fastener Co ltd
Current assignee: Obeio Kunshan Automobile Fastener Co ltd
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-01-26
Anticipated expiration: 2033-08-08

Abstract

The utility model discloses a lockable automobile fastener which comprises a screw cap, a stud and a nut, wherein the stud is fixedly connected to the center of the bottom of the screw cap, an arc-shaped locking piece is fixedly connected to the bottom of a first mounting plate, a locking screw sleeve is fixedly arranged at the bottom of a second mounting plate, and a positioning bolt is connected to the upper side of the first mounting plate in a threaded manner and penetrates through the second mounting plate. According to the utility model, through the arrangement of the arc-shaped locking piece and the locking screw sleeve, when the nut is in threaded connection with the stud, the arc-shaped locking piece is in a state of being opened and not in contact with the stud, then the fixed internal teeth of the inner wall of the locking screw sleeve are matched and screwed with the limiting outer side of the outer wall of the arc-shaped locking piece, so that the port of the arc-shaped locking piece is reduced and is tightly attached to the stud, and the limiting internal teeth of the inner wall of the arc-shaped locking piece are meshed with the threads of the outer wall of the stud, so that the threads are locked and fastened on the stud, thereby improving the anti-loosening effect of the nut and further ensuring the use safety of parts.

Description

Lockable automobile fastener

Technical Field

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

Background

The fastener is a kind of mechanical part which is used for fastening connection and has extremely wide application, is a generic name of a kind of mechanical part adopted when two or more parts (or components) are fastened and connected into a whole, and is frequently required to be used for installing automobile parts at present so as to fix the automobile parts.

The prior fastener is not provided with a locking limit structure in use, for example, an anti-corrosion fastener for automobiles is disclosed in the application number CN202021555116.9, in the patent, a nut is directly connected with a bolt through threads arranged on a stud, the nut and the stud generate common occlusion through a thread, when the occlusion is carried out, a gap is still reserved between the inner thread of the nut and the stud, when an object fixed between the nut and the stud is vibrated, the nut can be loosened through vibration, the fastened object is unstable, and serious safety accidents are possibly caused.

Accordingly, it is desirable to invent a lockable automotive fastener to address the above-described problems.

Disclosure of Invention

The utility model aims to provide a lockable automobile fastener, which solves the problems that in the prior art, a locking limiting structure is not arranged in use, a nut can be loosened through vibration, a fastened object is unstable, and serious safety accidents are possibly caused.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a lockable automobile fastener, includes nut, double-screw bolt and nut, the bottom center department fixedly connected with double-screw bolt of nut, the below of nut is provided with first packing ring and suit on the double-screw bolt, the top of nut is provided with the second packing ring and suit on the double-screw bolt, the bottom fixed mounting of nut has first mounting panel, the bottom fixedly connected with arc spangle of first mounting panel, the outer wall fixedly connected with spacing external tooth of arc spangle, the below of first mounting panel is connected with the second mounting panel, the bottom fixed mounting of second mounting panel has the locking swivel nut, be threaded connection between locking swivel nut and the double-screw bolt, the top threaded connection of first mounting panel has positioning bolt and runs through to the second mounting panel.

Preferably, the first gasket and the second gasket are designed to be in a circular structure, the first gasket and the second gasket are stainless steel rings, and the aperture of the first gasket and the aperture of the second gasket are larger than the outer diameter of the stud, so that the first gasket and the second gasket can protect the fastening part of the fastening part.

Preferably, the screw bolt is connected with a nut in a threaded manner, and the outer wall thread of the screw bolt is matched with the inner wall thread of the nut, so that the screw bolt and the nut form a fastener.

Preferably, the arc locking pieces are provided with 4, and the arc locking pieces are distributed in a circular array at the bottom of the first mounting plate, so that the arc locking pieces can be clamped and fixed on the stud.

Preferably, the first mounting plate and the second mounting plate are of the same structural design, the bottom of the first mounting plate is mutually attached to the top of the second mounting plate, and the first mounting plate, the second mounting plate and the stud are in threaded connection.

Preferably, the inner wall of the arc-shaped locking piece is fixedly connected with limiting internal teeth, and the limiting internal teeth are matched with threads on the outer wall surface of the stud, so that the arc-shaped locking piece is limited by the limiting internal teeth and the threads on the outer wall surface of the stud.

Preferably, the inner wall of the locking screw sleeve is fixedly connected with fixed internal teeth, and the fixed internal teeth are matched with limit external teeth, so that the locking screw sleeve is in threaded connection with the limit external teeth on the outer wall of the arc-shaped locking piece through the fixed internal teeth.

Preferably, the positioning bolts are provided with 6 positioning screw holes, and the positioning screw holes are formed in the contact positions of the first mounting plate, the second mounting plate and the positioning bolts, and the positioning bolts are in threaded connection with the positioning screw holes, so that the positioning bolts and the positioning screw holes can firmly fix the first mounting plate and the second mounting plate.

In the technical scheme, the utility model has the technical effects and advantages that:

through the setting of arc spanners and locking swivel nut, when nut threaded connection is on the double-screw bolt, the arc spanners are in the state that opens and do not contact with the double-screw bolt, then through the fixed internal tooth with locking swivel nut inner wall and the spacing outside cooperation of arc spanners outer wall screw down for the arc spanners port is reduced and closely laminates with the double-screw bolt, and the spacing internal tooth of arc spanners inner wall meshes with double-screw bolt outer wall screw thread mutually, makes the screw thread lock fasten on the double-screw bolt, thereby improves the locking effect of nut, further guaranteed the safety in utilization of part.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic perspective view of a first gasket and a second gasket according to the present utility model;

FIG. 3 is an exploded perspective view of a first mounting plate and a second mounting plate according to the present utility model;

FIG. 4 is a schematic perspective view of an arc locking tab of the present utility model;

fig. 5 is a schematic view of the structure of the locking screw sleeve and the fixed internal teeth of the present utility model.

Reference numerals illustrate:

1. a screw cap; 2. a stud; 3. a first gasket; 4. a second gasket; 5. a nut; 6. a first mounting plate; 7. an arc-shaped locking piece; 8. limiting internal teeth; 9. limiting external teeth; 10. a second mounting plate; 11. a locking screw sleeve; 12. fixing the internal teeth; 13. positioning bolts; 14. positioning screw holes.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The utility model provides a lockable automobile fastener as shown in figures 1-5, which comprises a screw cap 1, wherein a stud 2 is fixedly connected to the center of the bottom of the screw cap 1, a first gasket 3 is arranged below the screw cap 1 and sleeved on the stud 2, a nut 5 is connected to the stud 2 in a threaded manner, the threads on the outer wall of the stud 2 are matched with the threads on the inner wall of the nut 5, a second gasket 4 is arranged above the nut 5 and sleeved on the stud 2, the first gasket 3 and the second gasket 4 are designed into a circular ring structure, the first gasket 3 and the second gasket 4 are stainless steel rings, the apertures of the first gasket 3 and the second gasket 4 are larger than the outer diameter of the stud 2, a first mounting plate 6 is fixedly arranged at the bottom of the nut 5, a locking screw sleeve 11 is fixedly arranged at the bottom of a second mounting plate 10, and the locking screw sleeve 11 is in threaded connection with the stud 2.

The inner wall fixedly connected with spacing internal tooth 8 of arc spangle 7, the outer wall fixedly connected with spacing external tooth 9 of arc spangle 7, spacing internal tooth 8 coincide with the screw thread on stud 2 outer wall surface, the inner wall fixedly connected with fixed internal tooth 12 of lock nut 11, fixed internal tooth 12 coincide with spacing external tooth 9, the bottom fixedly connected with arc spangle 7 of first mounting panel 6, arc spangle 7 is provided with 4, arc spangle 7 is circular array distribution in first mounting panel 6 bottom.

The three arc locking pieces 7 that set up can press from both sides tightly fixedly with double-screw bolt 2, and the spacing internal tooth 8 that sets up can carry out interlock with the screw thread of double-screw bolt 2 outer wall surface to this is spacing nut 5's position, and the spacing external tooth 9 that sets up can carry out threaded connection with locking swivel nut 11, makes locking swivel nut 11 can fasten arc locking piece 7 and presss from both sides tight double-screw bolt 2 with this fastening nature that has effectively improved the connection between nut 5 and the double-screw bolt 2.

The below of first mounting panel 6 is connected with second mounting panel 10, and first mounting panel 6 is the same structural design with second mounting panel 10, and the bottom of first mounting panel 6 is laminated each other with the top of second mounting panel 10, is threaded connection between first mounting panel 6, second mounting panel 10 and the double-screw bolt 2, and the top threaded connection of first mounting panel 6 has positioning bolt 13 and runs through to second mounting panel 10, and positioning bolt 13 is provided with 6, and positioning screw hole 14 has been seted up to the contact position department of first mounting panel 6, second mounting panel 10 and positioning bolt 13, is threaded connection between positioning bolt 13 and the positioning screw hole 14.

The six positioning bolts 13 can be in threaded connection with the six positioning screw holes 14, so that the first mounting plate 6 and the second mounting plate 10 are locked and fixed, and the stability between the first mounting plate 6 and the second mounting plate 10 is ensured.

The working principle of the utility model is as follows:

referring to fig. 1-5 of the specification, when the device is used, the first washer 3 is sleeved on the stud 2, the stud 2 passes through a part to be fixed, one surface of the first washer 3 on the stud 2 is tightly attached to the nut 1, the other surface of the first washer is tightly attached to the part, the second washer 4 is sleeved on the stud 2, the nut 5 is screwed on the stud 2, one surface of the second washer 4 is tightly attached to the part, the other surface of the second washer is tightly attached to one surface of the nut 5, when the nut 5 is screwed on the stud 2, the arc-shaped locking piece 7 at the bottom end of the nut 5 is in a slightly open state and is not in contact with the stud 2, then the fixed internal teeth 12 on the inner wall of the locking screw sleeve 11 are matched with the limit external teeth 9 on the outer wall of the arc-shaped locking piece 7 for screwing, so that the open mouth of the arc-shaped locking piece 7 is gradually reduced, and the limit internal teeth 8 on the inner wall of the arc-shaped locking piece 7 are mutually screwed with the inside of the thread groove on the outer surface of the stud 2, so that the position of the nut 5 on the stud 2 is locked, the installation stability of the nut 5 on the stud 2 is effectively improved, and finally the fixing and the fixing of the stud 10 and the fixing plate 10 are tightly fixed with the first fixing plate 13 and the second fixing plate 10.

Claims

1. A lockable automotive fastener comprising a nut (1), a stud (2) and a nut (5), characterized in that: the novel nut is characterized in that a stud (2) is fixedly connected to the center of the bottom of the nut (1), a first gasket (3) is arranged below the nut (1) and sleeved on the stud (2), a second gasket (4) is arranged above the nut (5) and sleeved on the stud (2), a first mounting plate (6) is fixedly arranged at the bottom of the nut (5), an arc-shaped locking piece (7) is fixedly connected to the bottom of the first mounting plate (6), limiting external teeth (9) are fixedly connected to the outer wall of the arc-shaped locking piece (7), a second mounting plate (10) is connected to the lower side of the first mounting plate (6), a locking screw sleeve (11) is fixedly arranged at the bottom of the second mounting plate (10), and a positioning bolt (13) is connected to the upper side of the first mounting plate (6) in a threaded manner and penetrates through the second mounting plate (10).

2. A lockable automotive fastener as claimed in claim 1, characterized in that: the first gasket (3) and the second gasket (4) are designed to be in a circular structure, the first gasket (3) and the second gasket (4) are stainless steel rings, and the aperture of the first gasket (3) and the aperture of the second gasket (4) are larger than the outer diameter of the stud (2).

3. A lockable automotive fastener as claimed in claim 2, characterized in that: the screw bolt (2) is connected with a nut (5) through threads, and the threads on the outer wall of the screw bolt (2) are matched with the threads on the inner wall of the nut (5).

4. A lockable automotive fastener as claimed in claim 1, characterized in that: the arc-shaped locking pieces (7) are arranged in number, and the arc-shaped locking pieces (7) are distributed in a circular array at the bottom of the first mounting plate (6).

5. A lockable automotive fastener as claimed in claim 1, characterized in that: the first mounting plate (6) and the second mounting plate (10) are of the same structural design, the bottom of the first mounting plate (6) is mutually attached to the top of the second mounting plate (10), and the first mounting plate (6), the second mounting plate (10) and the stud (2) are in threaded connection.

6. A lockable automotive fastener as claimed in claim 4, wherein: the inner wall of the arc-shaped locking piece (7) is fixedly connected with limiting inner teeth (8), and the limiting inner teeth (8) are matched with threads on the outer wall surface of the stud (2).

7. A lockable automotive fastener as claimed in claim 1, characterized in that: the inner wall of the locking screw sleeve (11) is fixedly connected with fixed inner teeth (12), and the fixed inner teeth (12) are matched with the limiting outer teeth (9).

8. A lockable automotive fastener as claimed in claim 1, characterized in that: the positioning bolts (13) are arranged in number of 6, positioning screw holes (14) are formed in the contact positions of the first mounting plate (6), the second mounting plate (10) and the positioning bolts (13), and the positioning bolts (13) are in threaded connection with the positioning screw holes (14).