CN212003909U

CN212003909U - Bolt and nut or hole connection locking anti-loosening structure with internal threads

Info

Publication number: CN212003909U
Application number: CN202020535558.0U
Authority: CN
Inventors: 璧垫捣; 赵海
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-11-24
Anticipated expiration: 2030-04-13

Abstract

The utility model discloses a locking anti-loose structure for connecting a bolt and a nut or a hole with internal threads, which comprises a nut, the lower end of the bolt rod is provided with a bolt head, the surface of the bolt rod is provided with external threads, the surface of the bolt rod is axially provided with a bolt rod anti-loosening groove, the upper end of the bolt rod is spirally connected with a nut, the inner side of the nut is provided with an internal thread, the inner side of the nut is axially provided with a nut anti-loosening groove, the bolt rod anti-loosening groove and the nut anti-loosening groove can be mutually matched, so that the insertion end of the spring clamp is inserted into the spring clamp, further fixing and locking the nut and the bolt rod to prevent loosening, further fastening the bolt and the nut, matching the locking convex point at the other end of the spring clamp by utilizing the locking concave point of the nut, thereby fix the spring clamp, not only improved the fixed degree of bolt and nut, can also prevent to take place not hard up the condition when the bolt vibrates.

Description

Bolt and nut or hole connection locking anti-loosening structure with internal threads

Technical Field

The utility model relates to a fastener technical field, concretely relates to bolt and nut or take threaded jogged joint locking anti-loosening structure.

Background

Bolt: mechanical parts, cylindrical threaded fasteners fitted with nuts. A fastener consisting of a head and a screw is matched with a nut and 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. According to the stress mode of connection: both plain and reamed. According to the shape of the head: hexagonal, round, square, countersunk, etc. With a hex head being the most common. A countersunk head is typically used where attachment is desired. The bolt has many calling methods, and everyone's calling method probably all is different, and someone is called the screw, and someone is called the bolt nail, and someone is called the fastener. Although so many names are used, the meanings are the same, and all are bolts. Bolts are a common term for fasteners. The bolt is a tool for fastening the machine parts of the object step by utilizing the physics and mathematical principles of the inclined circular rotation and the friction of the object.

When the existing bolt is connected with a nut or a hole with internal threads, looseness is easily caused due to vibration and the like, so that equipment is not stable enough in connection.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the bolt that prior art exists and when being connected with the nut, it is very easy because reasons such as vibration take place not hard up, thereby make the not firm problem inadequately of equipment connection, a bolt and nut or take internal screw thread hole connection locking anti-loosening structure is provided, this bolt and nut or take internal screw thread hole connection locking anti-loosening structure utilize shank of bolt locking groove, nut anti-loosening groove and spring clamp and locking concave point, can cooperate the locking bump of the other end of spring clamp, thereby carry out fixation nut's position, the fixed degree of bolt and nut has not only been improved, the condition that takes place not hard up when can also preventing the bolt vibration.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a bolt and nut or take threaded joggle joint locking anti-loosening structure, includes nut and shank of bolt, the shank of bolt lower extreme is provided with the bolt head, the shank of bolt surface is provided with the external screw thread, shank of bolt locking groove has been seted up to shank of bolt surface axial, shank of bolt upper end screwed connection has the nut, the nut inboard is provided with the internal thread, nut locking groove has been seted up to the inboard axial of nut, shank of bolt locking groove and nut locking groove are semi-circular structure, and size and spring clamp looks adaptation, spring clamp one end is provided with the locking bump, the nut surface is provided with the locking concave point, locking concave point and locking bump adaptation.

Preferably, the locking concave points and the locking convex points are mutually matched.

Preferably, the spring clip is made of spring steel.

Preferably, the bolt rod anti-loosening groove and the nut anti-loosening groove are matched with each other.

Preferably, the bolt rod is further in threaded connection with a hole with an internal thread, an axial anti-loosening groove is also formed in the hole with the internal thread, an anti-loosening hole is formed in the bolt head of the bolt along the direction of the anti-loosening groove, an anti-loosening concave point is formed in the corresponding position of the bolt head, and the spring clamp is matched with the anti-loosening hole and the anti-loosening concave point.

Preferably, the spring clip is of a pluggable structure.

Compared with the prior art, the utility model provides a bolt and nut or take threaded jogged joint locking anti-loosening structure possesses following beneficial effect:

1. the utility model discloses utilize shank of bolt locking groove and nut locking groove, can mutually support to make the insertion end of spring clamp insert wherein, and then fix locking looseness to nut and shank of bolt, and then make bolt and nut locking more firm, insert the spring clamp after shank of bolt locking groove aligns with nut locking groove, the locking bump of spring clamp and the locking concave point of nut are fixed a position simultaneously, thereby fix and prevent becoming flexible;

2. the utility model utilizes the locking concave point of the nut to match with the locking convex point at the other end of the spring clamp, thereby fixing the spring clamp, not only improving the fixing degree of the bolt and the nut, but also preventing the bolt from loosening during vibration;

3. the utility model discloses when the bolt combines with the hole of interior screw thread, the hole of interior screw thread has also seted up the locking groove of axial, and the bolt can set up the locking hole along locking groove direction at the bolt head, and the overhead relevant position of bolt sets up locking concave point to bolt and the hole combination of interior screw thread also can be prevented becoming flexible, and the bolt and nut combination of this application and bolt and the hole of interior screw thread are two kinds of forms, can use in different occasions respectively;

the part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization provides very big help for people.

Drawings

FIG. 1 is a front view of a locking structure for connecting a bolt and a nut of the present invention;

FIG. 2 is an exploded view of a locking structure of the present invention for connecting a bolt and a nut;

FIG. 3 is a top view of a locking structure for connecting a bolt and a nut of the present invention;

fig. 4 is a schematic structural view of the nut of the present invention;

fig. 5 is a schematic structural view of the spring clip of the present invention;

FIG. 6 is a schematic view of the locking structure of the bolt and the hole with internal thread of the present invention;

FIG. 7 is a top view of a bolt with a locking anti-loosening feature attached to a threaded bore.

Description of the reference numerals

1. A nut; 2. locking the concave points; 3. a bolt shank; 4. the bolt rod is provided with an anti-loosening groove; 5. an external thread; 6. a bolt head; 7. an internal thread; 8. a spring clip; 9. a nut anti-loosening groove; 10. and locking the salient points.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a detachable 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-7, the present invention provides a technical solution: a bolt and nut or hole connection locking anti-loosening structure with internal threads comprises a nut 1 and a bolt rod 3, wherein the lower end of the bolt rod 3 is provided with a bolt head 6, the surface of the bolt rod 3 is provided with external threads 5, the surface of the bolt rod 3 is axially provided with a bolt rod anti-loosening groove 4, the upper end of the bolt rod 3 is spirally connected with the nut 1, the inner side of the nut 1 is provided with internal threads 7, the inner side of the nut 1 is axially provided with a nut anti-loosening groove 9, the bolt rod anti-loosening groove 4 and the nut anti-loosening groove 9 can be matched with each other, so that an insertion end of a spring clamp 8 is inserted into the nut 1 and the bolt rod 3 to fix the bolt 1 and the nut 1, the bolt and the nut 1 are locked more tightly, the bolt rod anti-loosening groove 4 and the nut anti-loosening groove 9 are of a semicircular structure and are matched with the spring clamp 8 in size, a locking end of the, locking concave point 2 and locking bump 10 adaptation utilize locking concave point 2, can cooperate the locking bump 10 of the other end of spring clamp 8 to carry out fixation nut 1's position, not only improved the fixed degree of bolt and nut 1, can also prevent to take place not hard up the condition when nut 1 installs.

The utility model discloses in, preferred, locking concave point 2 coincide each other with locking bump 10, and spring clamp 8 makes for the spring steel, and shank of bolt locking groove 4 coincide each other with nut locking groove 9, shank of bolt 3 still with take the hole screwed connection of internal screw thread, and take the downthehole portion of internal screw thread to have also seted up the axial locking groove that moves, the bolt is along locking groove direction and seted up locking hole on bolt head 6, and corresponding position sets up locking concave point on bolt head 6, spring clamp 8 and locking hole, locking concave point adaptation, spring clamp 8 are pluggable formula structure.

The utility model discloses a theory of operation and use flow: combining a bolt and a nut; the bolt rod anti-loosening groove 4 and the nut anti-loosening groove 9 can be matched with each other, so that the insertion end of the spring clamp 8 is inserted into the bolt rod anti-loosening groove, the nut 1 and the bolt rod 3 are fixed, the bolt and the nut 1 are locked more tightly, the bolt rod anti-loosening groove 4 and the nut anti-loosening groove 9 are aligned and then inserted into the spring clamp 8, meanwhile, the locking convex point 10 of the spring clamp 8 and the locking concave point 2 of the nut 1 are positioned, so that the bolt and the nut 1 are fixed and prevented from loosening, the locking concave point 2 can be matched with the locking convex point 10 at the other end of the spring clamp 8, and the spring clamp 8 is fixed, so that the fixing degree of the bolt and the nut 1 is improved, and the nut 1 can be prevented from loosening;

the bolt is combined with the hole with the internal thread; the hole with the internal thread is axially provided with an anti-loosening groove, the anti-loosening hole is formed in the anti-loosening groove direction of the bolt, the radius of the anti-loosening hole is equal to that of the anti-loosening groove, one side of the anti-loosening hole at the head of the bolt is provided with a locking convex point which is matched with the convex point of the spring clamp, when the anti-loosening bolt is used, the anti-loosening hole is adjusted after the bolt is tightened, the anti-loosening groove of the bolt corresponds to the anti-loosening groove with the internal thread, the insertion end of the spring clamp is inserted, the locking convex point at the locking end of the spring clamp slides into the locking concave point at the top end of the bolt, the spring clamp is fixed, the insertion end of the spring clamp can lock the bolt and the inner hole with the internal thread, the bolt cannot loosen when the bolt vibrates, when the bolt needs to be disassembled, the spring clamp slides upwards firstly, the convex point can.

The utility model discloses utilize shank of bolt locking groove 4 and nut locking groove 9, can mutually support to make the insertion end of spring clamp 8 insert wherein, and then fix locking looseness-proof to nut 1 and shank of bolt 3, and then make bolt and nut 1 locking more firm, insert spring clamp 8 after shank of bolt locking groove 4 aligns with nut locking groove 9, locking bump 10 of spring clamp 8 and nut 1's locking concave point 2 are fixed a position simultaneously, thereby fix and prevent becoming flexible;

the utility model utilizes the locking concave point 2 of the nut 1 to match with the locking convex point 10 at the other end of the spring clamp 8, thereby fixing the spring clamp 8, not only improving the fixation degree of the bolt and the nut 1, but also preventing the bolt from loosening during vibration;

the utility model discloses when the bolt combines with the hole of interior screw thread, the hole of interior screw thread has also seted up the locking groove of axial, and the bolt can set up the locking hole along locking groove direction at the bolt head, and the overhead relevant position of bolt sets up locking concave point to bolt and the hole combination of interior screw thread also can be prevented becoming flexible, and the bolt and nut combination of this application and bolt and the hole of interior screw thread are two kinds of forms, can use in different occasions respectively;

The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited thereto. In the technical idea scope of the present invention, it can be right to the technical solution of the present invention perform multiple simple modifications, including each technical feature combined in any other suitable manner, these simple modifications and combinations should be regarded as the disclosed content of the present invention, and all belong to the protection scope of the present invention.

Claims

1. The utility model provides a bolt and nut or take internal thread joggle joint locking anti-loosening structure, includes nut (1) and shank of bolt (3), its characterized in that: bolt pole (3) lower extreme is provided with bolt head (6), bolt pole (3) surface is provided with external screw thread (5), bolt pole locking groove (4) have been seted up to bolt pole (3) surface axial, threaded connection has nut (1) on bolt pole (3), nut (1) inboard is provided with internal thread (7), nut locking groove (9) have been seted up to the inboard axial of nut (1), bolt pole locking groove (4) are semi-circular structure with nut locking groove (9), and size and spring clamp (8) looks adaptation, spring clamp (8) one end is provided with locking bump (10), nut (1) surface is provided with locking concave point (2), locking concave point (2) and locking bump (10) adaptation.

2. The screw and nut or internally threaded hole connection locking anti-loosening structure according to claim 1, characterized in that the locking concave points (2) and the locking convex points (10) are mutually matched.

3. The screw and nut or internally threaded hole connection locking anti-loosening structure according to claim 1, characterized in that the spring clamp (8) is made of spring steel.

4. The bolt-and-nut or internally threaded hole connection locking anti-loosening structure according to claim 1, characterized in that the bolt shank anti-loosening groove (4) and the nut anti-loosening groove (9) are fitted into each other.

5. The bolt and nut or hole connection locking anti-loosening structure with internal threads as claimed in claim 1, wherein the bolt shaft (3) is further connected with the hole with internal threads in a threaded manner, an axial anti-loosening groove is also formed inside the hole with internal threads, the bolt is provided with an anti-loosening hole on the bolt head (6) along the direction of the anti-loosening groove, an anti-loosening concave point is formed on the bolt head (6) at a corresponding position, and the spring clamp (8) is matched with the anti-loosening hole and the anti-loosening concave point.

6. The screw and nut or internally threaded hole connection locking anti-loosening structure according to claim 1, characterized in that the spring clamp (8) is of a pluggable structure.