CN212564026U

CN212564026U - Combined bolt

Info

Publication number: CN212564026U
Application number: CN202020356157.9U
Authority: CN
Inventors: 黄忠龙; 徐中荣; 李轲
Original assignee: Zhejiang Sanlin Metals Products Co Ltd
Current assignee: Zhejiang Sanlin Metals Products Co Ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-02-19
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses a modular bolt, including head, pole portion and lock nut, the lateral surface and the lock nut threaded connection of pole portion, the tip of pole portion is provided with anti-loosening hole along the axial, anti-loosening hole is extended to the head direction by the tip of pole portion, still includes locking top cap, locking top cap includes lid and check rod, locking rod stretches into anti-loosening hole and anti-loosening hole threaded connection, and the lid is located the one end of check rod, and the lateral surface screw thread direction of pole portion is opposite with the lateral surface screw thread direction of check rod, the utility model discloses have lock nut and locking top cap, locking top cap and lock nut direction of rotation are opposite when locking, utilize locking top cap top locking nut, make the two sticiss together, can not take place clockwise or anticlockwise rotation and guarantee locking because of the vibration the two when using.

Description

Combined bolt

Technical Field

The utility model belongs to the fastener field, more specifically the utility model relates to a modular bolt that says so.

Background

Bolts are mechanical parts, cylindrical threaded fasteners fitted with nuts. A fastener consisting of a head part and a screw (a cylinder with external threads) needs to be matched with a nut and is used for fastening and connecting two parts with through holes. This form of connection is known as a bolted connection. If the nut is unscrewed from the bolt, the two parts can be separated, so that the bolt connection belongs to detachable connection.

When using, for preventing that bolt and nut are not hard up, can adopt a nut and bolt to fasten the back with the product usually, a nut of screwing again on the bolt, sticis together with preceding nut, but in practical application, two nut threads are the same, form a whole, still take place easily when taking place the vibration not hard up, locking effect is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a have lock nut and locking top cap, locking top cap and lock nut direction of rotation are opposite when locking, utilize the tight lock nut in locking top cap top, make the two sticis together, can not take place clockwise or anticlockwise rotation and guarantee the locking combination formula bolt because of the vibration the two when using.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a combined bolt, includes head, pole portion and lock nut, the lateral surface and the lock nut threaded connection of pole portion, the tip of pole portion is provided with along the axial and prevents the pine hole, prevent that the pine hole is extended to the head direction by the tip of pole portion, still includes locking top cap, locking top cap includes lid and locking pole, locking pole stretches into and prevents pine hole and locking hole threaded connection, and the lid is located the one end of locking pole, and the lateral surface screw thread direction of pole portion is opposite with the lateral surface screw thread direction of locking pole.

Further one side of the cover body facing the locking nut is a plane.

Further one side of the cover body facing the locking nut is provided with an annular groove, the annular groove is arranged along the outer side face of the anti-loosening rod, and the outer diameter of the annular groove is larger than that of the rod portion.

And further, anti-skid grains are arranged on one side of the locking nut opposite to the cover body.

Further the lid is the polygon prism shape.

One side of the cover body back to the locking nut is further provided with a straight or cross or meter-shaped groove.

Compared with the prior art, the beneficial effects of the utility model are that: through the cooperation of lock nut and pole portion, can fix somewhere or fix some article, then screw through locking top cap, can make lid and lock nut sticis together, when the operation, lock nut passes through spanner locking back, in the locking pole screw in pole portion with locking top cap, the direction of rotation of locking top cap is opposite with direction of rotation when lock nut locks this moment, to lid contact lock nut, the spanner continues to control lock nut and prevents its rotation, continue to rotate locking top cap, make locking top cap continue to rotate, lid extrusion lock nut accomplish lid and lock nut sticis combined can, even take place the vibration this moment, an organic whole that lock nut and lid constitute neither can clockwise rotate nor anticlockwise rotate, reach effectual locking effect.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the combination bolt of the present invention;

FIG. 2 is a schematic view of the head, the shank and the locking nut in cooperation according to one embodiment;

FIG. 3 is a schematic structural view of a locking top cover according to a first embodiment;

fig. 4 is a schematic structural view of a second embodiment of the combination bolt of the present invention.

Reference numerals: 11. a head portion; 12. a rod portion; 121. anti-loosening holes; 2. locking the nut; 3. a locking top cover; 31. a locking bar; 32. a cover body.

Detailed Description

The embodiment of the combined bolt of the present invention is further explained with reference to fig. 1 to 4.

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.

The first embodiment is as follows: the utility model provides a combined bolt, includes head 11, pole portion 12 and lock nut 2, the lateral surface and the 2 threaded connection of lock nut of pole portion 12, the tip of pole portion 12 is provided with along the axial and prevents the pine hole 121, prevent that pine hole 121 is extended to the 11 directions of head by the tip of pole portion 12, still include locking top cap 3, locking top cap 3 includes lid 32 and locking pole 31, locking pole 31 stretches into and prevents pine hole 121 and locking hole 121 threaded connection, and lid 32 is located the one end of locking pole 31, and the lateral surface screw thread direction of pole portion 12 is opposite with locking pole 31's lateral surface screw thread direction.

The head 11 and the rod 12 form a common bolt, the inner surface of the lock nut 2 and the outer side surface of the rod 12 are provided with mutually matched threads, the inner surface of the anti-loosening hole 121 and the outer surface of the anti-loosening rod 31 are provided with mutually matched threads, and the cover 32 and the anti-loosening rod 31 are fixed with each other.

During the use, utilize head 11, pole portion 12 and lock nut 2 are fixed and lock article, then stretch into locking hole 121 and rotate with locking rod 31 of locking top cap, the rotation direction of locking top cap is opposite with lock nut 2's rotation direction, make the lid 32 of locking top cap 3 be close to gradually and to the side of contact lock nut 2, utilize spanner control lock nut 2 to keep the rigidity this moment, continue to rotate locking top cap 3, this

lid

32 and 2 surface friction of lock nut and continue to extrude lock nut 2, lid 32 sticiss with lock nut 2 and form integratively, no matter clockwise rotation or anticlockwise rotation this moment, lock nut 2 and locking top cap 3 all can't rotate, reach the locking mesh of locking.

In the preferred embodiment, the cover 32 is provided with an annular groove on the side facing the lock nut 2, the annular groove is provided along the outer side surface of the anti-loosening rod 31, and the outer diameter of the annular groove is larger than that of the rod 12.

When the locking nut 2 is screwed on the rod part 12, the rod part 12 can extend out of the locking nut 2, and at the moment, when the locking top cover 3 is used for tightly pressing the locking nut 2, the rod part 12 can extend into the annular groove, so that the cover body 32 can smoothly contact and extrude the locking nut 2.

In this embodiment, the side of the lock nut 2 opposite to the cover 32 is provided with anti-slip threads, so as to enhance the friction force between the lock nut 2 and the cover 32, and make the two firmly pressed and combined.

The cover 32 of the present embodiment is preferably polygonal column-shaped, so that the cover 32 can be rotated by a wrench.

The cover 32 of this embodiment may also be provided with a straight or cross-shaped groove on the side facing away from the locking nut 2, which is also easy to operate with other tools such as a screwdriver.

Example two: in this embodiment, the side of the cover body 32 facing the lock nut 2 is a plane, and other technical features are the same as those of the first embodiment, when the rod portion 12 does not extend out of the side of the lock nut 2, the planar cover body 32 may directly contact the lock nut 2, or a gasket may be added between the two to achieve the purpose of mutual indirect contact extrusion.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a modular bolt, includes head, pole portion and lock nut, the lateral surface and the lock nut threaded connection of pole portion, its characterized in that: the tip of pole portion is provided with anti-loosening hole along the axial, anti-loosening hole is extended to the head direction by the tip of pole portion, still includes locking top cap, locking top cap includes lid and locking pole, locking pole stretches into anti-loosening hole and locking hole threaded connection, and the lid is located the one end of locking pole, and the lateral surface screw thread direction of pole portion is opposite with the lateral surface screw thread direction of locking pole.

2. The modular bolt of claim 1 wherein: one side of the cover body facing the locking nut is a plane.

3. The modular bolt of claim 1 wherein: the cover body is provided with an annular groove towards one side of the locking nut, the annular groove is arranged along the outer side face of the locking rod, and the outer diameter of the annular groove is larger than that of the rod portion.

4. A modular bolt according to claim 2 or 3, characterised in that: and anti-skid grains are arranged on one side of the locking nut opposite to the cover body.

5. The modular bolt of claim 4 wherein: the cover body is in a polygon prism shape.

6. The modular bolt of claim 4 wherein: one side of the cover body back to the locking nut is provided with a straight or cross or meter-shaped groove.