CN213575091U

CN213575091U - Bolt with anti-loosening function

Info

Publication number: CN213575091U
Application number: CN202021944301.7U
Authority: CN
Inventors: 李映华
Original assignee: Suzhou Ruikai Standard Parts Co ltd
Current assignee: Suzhou Ruikai Standard Parts Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-06-29
Anticipated expiration: 2030-09-08

Abstract

The utility model discloses a bolt that has locking function, including bolt, nut, connector and bolt, the bolt includes bolt head, screw thread post and triangular prism, the center department of connector is provided with the triangle-shaped through-hole and cup joints on the triangular prism, still evenly be provided with three arc through-hole on the connector of triangle-shaped through-hole outer lane, evenly be provided with a plurality of sawtooth grooves on the two arc edges of arc through-hole, the bolt includes the locking mechanism of polished rod and fixed connection polished rod top. The utility model relates to an ingenious, convenient to use, the structure is reliable, has the connector in triangle-shaped hole and sets up the rhombus post on the bolt through the setting, realizes that connector and bolt do not take place relative rotation after cup jointing, evenly is provided with a plurality of sawtooth grooves on the two arc edges of arc through-hole, and locking mechanism installs on sawtooth groove, and the triangle-shaped piece can only prevent the nut reversal along sawtooth groove one way motion, plays the effect of locking not hard up.

Description

Bolt with anti-loosening function

Technical Field

The utility model relates to a fastener technical field specifically is a bolt that has locking function.

Background

Bolt: 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 to be used for fastening and connecting two parts with through holes, and the connection form is called bolt connection. If the nut is unscrewed from the bolt, the two parts can be separated, so that the bolt connection belongs to detachable connection. The bolt and nut long-time spiro union may appear not hard up the condition, influences the fastening effect, and the most common method that has now adds spring shim between nut or bolt and by the fastener, prevents to become flexible, but this kind of locking effect locking time is short, needs maintain in the passage time, so need have the bolt of locking function to satisfy the demand.

Disclosure of Invention

In order to overcome the defects in the prior art, the embodiment of the utility model provides a convenient to use has the bolt of locking function.

The embodiment of the application discloses: a bolt with a locking function comprises a bolt, a nut, a connector and a bolt, wherein the bolt comprises a bolt head, a threaded column and a triangular prism, the bottom end of the threaded column is fixedly connected with the bolt head, the top end of the threaded column is fixedly connected with the triangular prism, the nut is screwed on the threaded column, six circular through holes are uniformly formed in the outer ring of a threaded hole of the nut, a triangular through hole is formed in the center of the connector and is sleeved on the triangular prism, three arc-shaped through holes are uniformly formed in the connector of the outer ring of the triangular through hole, a plurality of sawtooth grooves are uniformly formed in two arc-shaped edges of the arc-shaped through hole, the bolt comprises a polished rod and a locking mechanism fixedly connected above the polished rod, the locking mechanism comprises a profiling chuck, a triangular block and a spring which are profiled with the arc-shaped inner cavity wall of the arc-shaped through hole, guide, the guide groove is internally and slidably provided with a triangular block which is profiled with the sawtooth groove, and two ends of the spring are respectively and fixedly connected to the inner side surface of the triangular block and the inside of the profiling chuck.

Preferably, the triangular blocks are arranged in a right-angled triangle shape.

Preferably, the bolt head and the connecting head are both arranged in an outer hexagonal shape structure.

Preferably, a fixed object is fastened between the bolt head and the nut of the bolt.

Preferably, the depth of the sawtooth groove is larger than the thickness of the profiling chuck.

The utility model has the advantages as follows: the utility model relates to an ingenious, convenient to use, the structure is reliable, has the connector in triangle-shaped hole and sets up the rhombus post on the bolt through the setting, realizes that connector and bolt do not take place relative rotation after cup jointing, evenly is provided with a plurality of sawtooth grooves on the two arc edges of arc through-hole, and locking mechanism installs on sawtooth groove, and the triangle-shaped piece can only prevent the nut reversal along sawtooth groove one way motion, plays the effect of locking not hard up.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a sectional view of the overall structure of the present invention;

FIG. 2 is a schematic view of a bolt construction;

FIG. 3 is a top view of the nut structure;

FIG. 4 is a schematic view of the connecting head structure;

FIG. 5 is a front view of the latch structure;

fig. 6 is an internal schematic view of a latch structure.

Reference numerals of the above figures: the bolt comprises a bolt 1, a nut 2, a connector 3, a bolt 4, a fixed object 5, a bolt head 11, a threaded column 12, a triangular prism 13, a circular through hole 21, a triangular through hole 31, an arc-shaped through hole 32, a sawtooth groove 33, a polished rod 41, a profiling chuck 42, a triangular block 43, a guide groove 44 and a spring 45.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a bolt with locking function, includes bolt 1, nut 2, connector 3 and bolt 4, bolt 1 includes bolt head 11, screw thread post 12 and triangular prism 13, the bottom fixed connection of screw thread post 12 the bolt head 11, top fixed connection triangular prism 13, nut 2 spiro union is in on the screw thread post 12, the screw hole outer lane of nut 2 still evenly is provided with six circular through-holes 21, the center department of connector 3 is provided with triangle-shaped through-hole 31 and cup joints on triangular prism 13, still evenly be provided with three arc through-hole 32 on the connector 3 of triangle-shaped through-hole 31 outer lane, evenly be provided with a plurality of sawtooth grooves 33 on the two arc edges of arc through-hole 32, bolt 4 includes the locking mechanism above polished rod 41 and fixed connection polished rod 41, locking mechanism include with the profile modeling dop 42, the profile modeling of arc through-hole 32 inner chamber wall profile modeling 42, Triangular block 43 and spring 45, both sides are provided with guide way 44 in the profile modeling dop 42, slidable mounting in guide way 44 with the profile modeling of sawtooth groove 33 triangular block 43 for the joint is in sawtooth groove 33, the both ends of spring 45 fixed connection respectively on triangular block 43's the medial surface with in the profile modeling dop 42, when external force action triangular block 43, triangular block 43 extrusion spring 45 removes in to spring 45, inserts in arc through-hole 32 as bolt 4, triangular block 43 card goes into in sawtooth groove 33 promptly, makes triangular block 43 only can prevent that nut 2 reversal from becoming flexible along sawtooth groove 33 one-way motion.

Further, the shape of the triangular block 43 is set to be a right triangle, so that the triangular block 43 can rotate clockwise and unidirectionally along the arc-shaped through hole 32.

Further, the bolt head 11 and the connector 3 are both arranged in an outer hexagonal shape structure, so that tools such as a wrench can be conveniently screwed.

Further, a fixed object 5 is fastened between the bolt head 11 of the bolt 1 and the nut 2.

Furthermore, the depth of the sawtooth groove 33 is larger than the thickness of the profile clamp 42, so that the profile clamp 42 is prevented from falling from the sawtooth groove 33.

The working principle is as follows: install bolt 1 in 5 holes by the fixed thing, nut 2 spiro union is to bolt 1 on, on 3 triangular prism 13 are cup jointed to connector 3, bolt 4 passes arc through-hole 32 and inserts in circular through-hole 21 to profile modeling dop 42 reachs serration groove 33 bottom, clockwise screw up nut 2, drive connector 3 around bolt 1 clockwise rotation, thereby extrude triangular block 43 and extrude spring 45 and remove to spring 45, triangular block 43 moves next serration groove 33 to nut 2 locking by fixed thing 5, when will unscrew nut 2, take out bolt 4 earlier, take off connector 3 from triangular prism 13 again, anticlockwise rotation nut 2 can.

The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. The utility model provides a bolt that has locking function, includes bolt, nut, connector and bolt, its characterized in that: the bolt comprises a bolt head, a threaded column and a triangular prism, wherein the bottom end of the threaded column is fixedly connected with the bolt head, the top end of the threaded column is fixedly connected with the triangular prism, a nut is screwed on the threaded column, six circular through holes are uniformly arranged on the outer ring of a threaded hole of the nut, a triangular through hole is arranged at the center of the connector and is sleeved on the triangular prism, three arc-shaped through holes are uniformly arranged on the connector of the outer ring of the triangular through hole, a plurality of sawtooth grooves are uniformly arranged on two arc-shaped edges of each arc-shaped through hole, the bolt comprises a polished rod and a locking mechanism fixedly connected above the polished rod, the locking mechanism comprises a profiling chuck, a triangular block and a spring which are profiled with the arc-shaped inner cavity wall of each arc-shaped through hole, guide grooves are arranged on the two inner sides of each profiling chuck, and the triangular, and two ends of the spring are respectively and fixedly connected to the inner side surface of the triangular block and the inside of the profiling chuck.

2. The bolt with the anti-loosening function according to claim 1, wherein: the triangular blocks are arranged to be right-angled triangles.

3. The bolt with the anti-loosening function according to claim 1, wherein: the bolt head and the connector are both arranged into an outer hexagonal shape structure.

4. The bolt with the anti-loosening function according to claim 1, wherein: and a fixed object is fastened between the bolt head and the nut of the bolt.

5. The bolt with the anti-loosening function according to claim 1, wherein: the depth of the sawtooth groove is larger than the thickness of the profiling chuck.