CN216278879U

CN216278879U - Fastening bolt

Info

Publication number: CN216278879U
Application number: CN202122490439.5U
Authority: CN
Inventors: 罗景明
Original assignee: Guangzhou Nasheng Technology Co ltd
Current assignee: Ningbo Fenghua Xingwei Machinery Manufacturing Co.,Ltd.
Priority date: 2021-10-16
Filing date: 2021-10-16
Publication date: 2022-04-12
Anticipated expiration: 2031-10-16

Abstract

The utility model discloses a fastening bolt, which relates to the technical field of bolts and comprises a bolt, wherein a nut is fixed at the top of the bolt, a nut is arranged on the outer surface of the bolt, the top of the nut is respectively provided with a mounting groove and a first groove, and a telescopic rod and a first spring are respectively arranged in the mounting groove. According to the utility model, by arranging the limiting ball, the third spring and the second groove, when a user installs the nut on the bolt, the limiting ball is firstly extruded to extrude the third spring to move into the second groove, and then the nut is in threaded connection with the bolt to be installed, so that the third spring recovers elasticity after being compressed and pushes the limiting ball to move towards the outer side of the second groove, and after the third spring ejects the limiting ball, the nut is limited by the limiting ball, so that the bolt is prevented from being separated from the nut due to the looseness of the bolt when the bolt is stressed and vibrated for a long time, and the connection stability of the bolt is effectively improved.

Description

Fastening bolt

Technical Field

The utility model relates to the technical field of bolts, in particular to a fastening bolt.

Background

The fastening bolt is a kind of mechanical parts which are used for fastening connection and have wide application, and the fastening bolt has wide application industry, including the industries of energy, electronics, electrical appliances, machinery, chemical engineering, metallurgy, dies, hydraulic pressure and the like, can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical engineering, instruments, supplies and the like, is a mechanical basic part which has wide application, and has the characteristics of various types and specifications, different performance and purposes, and extremely high standardization, serialization and universalization degrees.

According to the chinese patent with publication number CN210318068U, a fastening bolt is disclosed, comprising a head and a screw rod arranged at the lower end of the head, wherein a retreat groove is provided on the upper side of the head, the retreat groove penetrates through one end of the head, a cross groove is provided on the lower groove wall of the retreat groove, a sliding plate is further slidably provided in the retreat groove, a linear groove is provided on the upper end of the sliding plate, and the side wall of the sliding plate is attached to the groove wall of the retreat groove.

The utility model can expose the cross groove in the retreat groove by pulling out the sliding plate in the direction away from the retreat groove, and can rotate the screw rod by inserting the cross screwdriver into the cross groove, thereby being capable of meeting the insertion of screwdrivers of different models; in the bolt, the sliding plate can be screwed by adopting the cross groove after being taken down, but the sliding plate is lost due to the walking of personnel or the fact that the sliding plate is not well stored after a user takes down the sliding plate, so that the user still needs to carry screwdrivers of various types, and when the user only has a single type of screwdriver, the screwing of the bolts of different types cannot be realized; meanwhile, the bolt is poor in fastening effect, when the part is stressed and vibrated for a long time, the bolt can be loosened and even fall off, so that the bolt and the nut are separated, the firmness of the part is greatly reduced, and certain potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: the problem that the sliding plate is easy to lose after being disassembled, so that bolts of different models cannot be screwed down and the stability of the bolts is poor after the bolts are vibrated for a long time is solved, and the fastening bolt is provided.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a fastening bolt, includes the bolt, the top of bolt is fixed with the nut, the surface of bolt is provided with the nut, mounting groove and first recess have been seted up respectively at the top of nut, telescopic link and first spring are installed respectively to the inside of mounting groove, first mounting panel is installed on the top of first spring, the cross recess has been seted up at the top of first mounting panel, the internally mounted of first recess has the second spring, the second mounting panel is installed to the one end of second spring, a word groove has been seted up at the top of second mounting panel, the second recess has all been seted up to the both sides of bolt, the internally mounted of second recess has the third spring, spacing ball is installed to the one end of third spring.

Preferably, the first grooves are provided with two, the two first grooves are respectively positioned at two sides of the mounting groove, and the two first grooves are communicated with the mounting groove.

Preferably, the second mounting plate is located directly above the first mounting plate, and the first mounting plate is in contact with the second mounting plate.

Preferably, the telescopic rod is located inside the first spring and welded with the nut and the first mounting plate respectively.

Preferably, the number of the limiting balls is two, and the diameter of each limiting ball is equal to that of the corresponding second groove.

Compared with the prior art, the utility model has the beneficial effects that:

1. by arranging the first spring, the second spring, the first groove, the mounting groove and the telescopic rod, when a user only carries the linear screwdriver, the bolt can be directly installed by inserting the straight screwdriver into the straight slot, when the user only carries the cross screwdriver, the user can pull the two second mounting plates apart, the second mounting plates can extrude the second spring to move towards the first groove, so that the second mounting plates can open the mounting grooves, the first spring restores elasticity after being compressed and jacks up the first mounting plate, so that a user can insert the cross screwdriver into the cross slot to rotatably mount the bolt, the first mounting plate provided with the cross groove is accommodated in the mounting groove, so that a user can still mount the bolt when only carrying one type of screwdriver, and the applicability of the bolt is improved;

2. according to the utility model, by arranging the limiting ball, the third spring and the second groove, when a user installs the nut on the bolt, the limiting ball is firstly extruded to extrude the third spring to move into the second groove, and then the nut is in threaded connection with the bolt to be installed, so that the third spring recovers elasticity after being compressed and pushes the limiting ball to move towards the outer side of the second groove, and after the third spring ejects the limiting ball, the nut is limited by the limiting ball, so that the bolt is prevented from being separated from the nut due to the looseness of the bolt when the bolt is stressed and vibrated for a long time, and the connection stability of the bolt is effectively improved.

Drawings

FIG. 1 is a schematic front sectional view of a bolt according to the present invention;

FIG. 2 is a schematic top view of the bolt of the present invention;

FIG. 3 is an enlarged view of the utility model at A in FIG. 1;

fig. 4 is an enlarged view of the present invention at B in fig. 1.

In the figure: 1. a bolt; 2. a nut; 3. mounting grooves; 4. a telescopic rod; 5. a first spring; 6. a first mounting plate; 7. a cross groove; 8. a second mounting plate; 9. a straight slot; 10. a nut; 11. a second spring; 12. a first groove; 13. a third spring; 14. a second groove; 15. and a limiting ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.

Referring to fig. 1-4, a fastening bolt includes a bolt 1, a nut 2, a mounting groove 3, a telescopic rod 4, a first spring 5, a first mounting plate 6, a cross groove 7, a second mounting plate 8, a straight groove 9, a nut 10, a second spring 11, a first groove 12, a third spring 13, a second groove 14, and a limit ball 15; bolt 1's top is fixed with nut 2, bolt 1's surface is provided with nut 10, mounting groove 3 and first recess 12 have been seted up respectively at nut 2's top, telescopic link 4 and first spring 5 are installed respectively to mounting groove 3's inside, first mounting panel 6 is installed on first spring 5's top, cross recess 7 has been seted up at first mounting panel 6's top, the internally mounted of first recess 12 has second spring 11, second mounting panel 8 is installed to second spring 11's one end, I-shaped groove 9 has been seted up at second mounting panel 8's top, second recess 14 has all been seted up to bolt 1's both sides, the internally mounted of second recess 14 has third spring 13, spacing ball 15 is installed to the one end of third spring 13.

Please refer to fig. 1 and 3, two first grooves 12 are provided, two first grooves 12 are respectively located at two sides of the mounting groove 3, and both the two first grooves 12 are communicated with the mounting groove 3, so that the second mounting plate 8 moves in the first grooves 12 and the mounting groove 3, thereby the second mounting plate 8 opens or closes the mounting groove 3; second mounting panel 8 is located first mounting panel 6 directly over, and first mounting panel 6 contacts with second mounting panel 8 for the cross recess that the user accessible first mounting panel 6 top was seted up and the straight groove that the 8 tops of second mounting panel were seted up install bolt 1.

Please refer to fig. 1 and 4, the telescopic rod 4 is located inside the first spring 5, and the telescopic rod 4 is welded to the nut 2 and the first mounting plate 6, respectively, so that the telescopic rod 4 limits the first spring 5 to prevent the first spring 5 from deviating; the two limiting balls 15 are provided, and the diameter of the limiting balls 15 is equal to that of the second groove 14, so that the limiting balls 15 can be received in the second groove 14 to install the nut 10.

The working principle is as follows: firstly, when a user screws and installs the bolt 1, the user firstly extrudes the limiting ball 15, when the user only carries the in-line screwdriver, the bolt 1 can be directly installed in a rotating way by inserting the in-line screwdriver into the in-line groove 9, when the user only carries the cross screwdriver, the user firstly pulls the two second mounting plates 8 apart, the second mounting plates 8 extrude the second springs 11 to move into the first grooves 12, so that the second mounting plates 8 open the mounting grooves 3, the first springs 5 recover elasticity after being compressed and jack up the first mounting plates 6, the user can insert the cross screwdriver into the cross grooves 7 to install the bolt 1 in a rotating way, and meanwhile, when the user installs the nut 10 on the bolt 1, the limiting ball 15 firstly extrudes the third springs 13 to move into the second grooves 14 by extruding the limiting ball 15, and then the nut 10 is in threaded connection with the bolt 1 to be installed, so that the third spring 13 recovers elasticity after being compressed and pushes the limiting ball 15 to move towards the outer side of the second groove 14, and after the third spring 13 ejects the limiting ball 15, the nut 10 is limited through the limiting ball 15, and the bolt 1 is prevented from being loosened to cause the separation of the bolt 1 and the nut 10 when the bolt 1 is subjected to long-term stress vibration.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A fastening bolt comprising a bolt (1), characterized in that: the bolt is characterized in that a nut (2) is fixed at the top of the bolt (1), a nut (10) is arranged on the outer surface of the bolt (1), a mounting groove (3) and a first groove (12) are respectively formed in the top of the nut (2), a telescopic rod (4) and a first spring (5) are respectively installed in the mounting groove (3), a first mounting plate (6) is installed at the top end of the first spring (5), a cross groove (7) is formed in the top of the first mounting plate (6), a second spring (11) is installed in the first groove (12), a second mounting plate (8) is installed at one end of the second spring (11), a straight groove (9) is formed in the top of the second mounting plate (8), second grooves (14) are formed in both sides of the bolt (1), and a third spring (13) is installed in the second groove (14), and one end of the third spring (13) is provided with a limiting ball (15).

2. A fastening screw according to claim 1, characterized in that: the two first grooves (12) are arranged and are respectively positioned on two sides of the mounting groove (3), and the two first grooves (12) are communicated with the mounting groove (3).

3. A fastening screw according to claim 1, characterized in that: the second mounting plate (8) is located directly above the first mounting plate (6), and the first mounting plate (6) is in contact with the second mounting plate (8).

4. A fastening screw according to claim 1, characterized in that: the telescopic rod (4) is located inside the first spring (5), and the telescopic rod (4) is welded with the screw cap (2) and the first mounting plate (6) respectively.

5. A fastening screw according to claim 1, characterized in that: the number of the limiting balls (15) is two, and the diameter of each limiting ball (15) is equal to that of the corresponding second groove (14).