CN215928085U

CN215928085U - Brazed joint check bolt

Info

Publication number: CN215928085U
Application number: CN202122564578.8U
Authority: CN
Inventors: 时红梅; 刘佳昕
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-03-01
Anticipated expiration: 2031-10-25

Abstract

The utility model provides a brazed anti-loosening bolt, which comprises a bolt rod, a first workpiece plate, a second workpiece plate, an anti-loosening gasket, an outer hexagon nut and a brazed joint, wherein the bolt rod is installed in the second workpiece plate in a penetrating manner by the first workpiece plate, a first positioning contact pin is arranged on the right end face of the bolt rod, the anti-loosening gasket is sleeved on the right side of the annular side face of the bolt rod, a second positioning contact pin is arranged on the left end face of the anti-loosening gasket, the bolt rod plated with tin or lead-tin alloy is inserted into a workpiece hole, the anti-loosening gasket is added, the nut plated with tin or lead-tin alloy is additionally installed, the nut on a workpiece is heated after fastening, the brazing is completed after the tin or lead-tin alloy on the bolt rod and the nut is melted, the brazed joint is automatically formed after cooling, the shearing resistance of the brazing joint is far greater than the returning energy of the nut caused by strong shock, therefore, the anti-loosening effect is generated, and the bolt rod can be fixed on the surface of the workpiece by the first positioning contact pin and the second positioning contact pin, the generated looseness is reduced.

Description

Brazed joint check bolt

Technical Field

The utility model discloses a brazed anti-loosening bolt, and belongs to the technical field of anti-loosening bolts.

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 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.

At present, many articles are connected by bolts in various industries, but the use environments are different, and many articles are in high speed and strong shock; the traditional bolt loosening is basically realized by using a flat washer, a spring washer and a double nut, the loosening prevention effect is not reliable mainly by means of friction force, the loosening and falling are frequently caused, although the loosening methods such as a thrust washer, a split pin, a series lead wire and the like are adopted, the loosening methods are difficult to popularize in many occasions, the Japanese locknuts are imported in recent years, the prices are not good, and the problem of the existing locknuts is solved by urgently needing a brazed lockbolt.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide the brazed anti-loosening bolt so as to solve the problems in the background art.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a brazed joint check bolt, includes shank of bolt, first work piece panel, second work piece panel, check washer, outer hexagon nut and brazed joint, first work piece panel right side is provided with second work piece panel, first work piece panel is run through in second work piece panel inside and is installed the shank of bolt, shank of bolt right-hand member face is provided with first location contact pin, shank of bolt annular side right side cover is equipped with check washer, the check washer left end face is provided with second location contact pin, positioning channel has been seted up to check washer right-hand member face, shank of bolt annular side right side is equipped with the nut, nut left end face is provided with the location lug, annular side thread position is provided with the brazed joint in the nut.

Furthermore, the specification of the nut is matched with that of the bolt rod, and the nut is fixedly connected with the bolt rod through threads.

Furthermore, the first positioning contact pins are provided with multiple groups, the specifications of the first positioning contact pins are the same, and the first positioning contact pins are arranged on the right end face of the bolt rod at equal angles.

Furthermore, the second location contact pin is provided with the multiunit, and the multiunit the second location contact pin specification is the same, the multiunit the second location contact pin is equiangularly set up in locking gasket left end face.

Furthermore, the positioning clamping groove specification is matched with the positioning lug specification, the positioning clamping groove is arranged to be of an arc-shaped structure, the end face of the positioning lug is arranged to be of an arc-shaped structure, the positioning clamping grooves are provided with a plurality of groups, the positioning lugs are provided with a plurality of groups, and the number of the positioning lugs is the same as the number of the positioning clamping grooves.

Further, the brazing junction is made of tin or lead-tin alloy.

The utility model has the beneficial effects that: the utility model relates to a brazed joint check bolt, which is added with a check gasket, a brazed joint, a first positioning contact pin, a second positioning contact pin, a positioning clamping groove and a positioning lug.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of a brazed joint check bolt according to the present invention;

FIG. 2 is a front cross-sectional view of a brazed joint check bolt of the present invention;

FIG. 3 is an enlarged schematic view of the structure of A in the brazed joint check bolt of the present invention;

FIG. 4 is a schematic structural view of a check washer in the brazed check bolt of the present invention;

in the figure: the method comprises the following steps of 1-bolt rod, 2-first workpiece plate, 3-second workpiece plate, 4-anti-loose gasket, 5-outer hexagon nut, 6-braze welding, 7-first positioning pin, 8-second positioning pin, 9-positioning clamping groove and 10-positioning lug.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

Referring to fig. 1-4, the present invention provides a technical solution: a brazed 6 check bolt comprises a bolt rod 1, a first workpiece plate 2, a second workpiece plate 3, a check washer 4, an outer hexagon nut 5 and a brazed 6, wherein the second workpiece plate 3 is arranged on the right side of the first workpiece plate 2, the bolt rod 1 is installed in the second workpiece plate 3 in the first workpiece plate 2 in a penetrating manner, a first positioning contact pin 7 is arranged on the right end face of the bolt rod 1, the check washer 4 is sleeved on the right side of the annular side face of the bolt rod 1, a second positioning contact pin 8 is arranged on the left end face of the check washer 4, a positioning clamping groove 9 is arranged on the right end face of the check washer 4, a nut is assembled on the right side of the annular side face of the bolt rod 1, a positioning lug 10 is arranged on the left end face of the nut, the brazed 6 is arranged on the threaded position of the annular side face of the nut, the design is that the bolt rod 1 plated with tin or lead-tin alloy is inserted into a workpiece hole, and the check washer 4 is added, install the nut that plates with tin or plumbous tin alloy additional, heat the nut on the work piece after the fastening, braze welding after the tin or plumbous tin alloy on shank of bolt 1 and the nut melts and accomplish, automatic formation braze welding 6 after the cooling, 6 anti-shear force of braze welding is far greater than the loopback energy that the nut arouses because of the macroseism, therefore locking effect produces, can make shank of bolt 1 be fixed in the work piece surface through first location contact pin 7 and second location contact pin 8, reduces the not hard up of production.

Nut specification and 1 specification phase-match of shank of bolt, nut and shank of bolt 1 pass through thread fixed connection, and first location contact pin 7 is provided with the multiunit, and 7 specifications of multiunit first location contact pin are the same, and the first location contact pin of multiunit 7 equiangles set up in 1 right-hand member face of shank of bolt, and second location contact pin 8 is provided with the multiunit, and 8 specifications of multiunit second location contact pin are the same, and the multiunit second location contact pin 8 equiangles set up in 4 left end faces of check washer.

9 specifications of positioning groove and 10 specifications phase-matches of positioning lug, and positioning groove 9 sets up to the arc structure, and positioning lug 10 terminal surface sets up to the arc structure, and positioning groove 9 is provided with the multiunit, and positioning lug 10 is provided with the multiunit, and the quantity that positioning lug 10 set up is the same with positioning groove 9 quantity, and the knot of brazing 6 is tin or plumbum-tin alloy material.

As an embodiment of the present invention: firstly, a worker opens through holes in a first workpiece plate 2 and a second workpiece plate 3, then inserts a bolt rod 1 into the through holes in the first workpiece plate 2 and the second workpiece plate 3 in a penetrating manner, contacts the tip end of a first positioning pin 7 with the surface of the first workpiece plate 2, then uses an external tool to beat the bolt rod 1, presses the first positioning pin 7 into the first workpiece plate 2 by beating, then sleeves a locking gasket 4 on the annular side surface of the bolt rod 1, makes a second positioning pin 8 on the left end surface of the locking gasket 4 contact with the second workpiece plate 3, then uses the external tool to beat the locking gasket 4, beats a second positioning pin 8 into the second workpiece plate 3, and enables the bolt rod 1 and the locking gasket 4 to be firmly fixed on the surfaces of the first workpiece plate 2 and the second workpiece plate 3 through the first positioning pin 7 and the second positioning pin 8, then the nut is assembled with the annular side face of the bolt rod 1, the positioning lug 10 on the left end face of the nut is clamped into the positioning clamping groove 9 in the inner portion of the right end face of the anti-loosening gasket 4, the nut is tightened, the nut and the anti-loosening gasket 4 are tightly connected through the matching effect of the positioning clamping groove 9 and the positioning lug 10, the loosening of the nut is reduced, the nut on the bolt rod 1 is heated after the nut is tightened, the brazing is completed after the tin or lead-tin alloy on the bolt rod 1 and the nut is melted, the brazing joint 6 is automatically formed after the nut is cooled, the shearing resistance of the brazing joint 6 is far larger than the returning energy of the nut caused by strong shock, and therefore the anti-loosening effect is generated.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a brazed joint (6) check bolt, includes shank of bolt (1), first work piece panel (2), second work piece panel (3), lock gasket (4), outer hexagon nut (5) and brazed joint (6), its characterized in that: first work piece panel (2) right side is provided with second work piece panel (3), first work piece panel (2) are installed in second work piece panel (3) inside running through bolt pole (1), bolt pole (1) right-hand member face is provided with first location contact pin (7), bolt pole (1) annular side right side cover is equipped with check washer (4), check washer (4) left end face is provided with second location contact pin (8), positioning slot (9) have been seted up to check washer (4) right-hand member face, bolt pole (1) annular side right side is equipped with the nut, the nut left end face is provided with positioning convex block (10), annular side thread position is provided with brazed joint (6) in the nut.

2. A brazed joint (6) check bolt according to claim 1, characterized in that: the specification of the nut is matched with that of the bolt rod (1), and the nut is fixedly connected with the bolt rod (1) through threads.

3. A brazed joint (6) check bolt according to claim 1, characterized in that: the first positioning contact pin (7) is provided with a plurality of groups, the specifications of the first positioning contact pins (7) are the same, and the first positioning contact pins (7) are arranged on the right end face of the bolt rod (1) at equal angles.

4. A brazed joint (6) check bolt according to claim 1, characterized in that: the second positioning contact pin (8) is provided with a plurality of groups, the specifications of the second positioning contact pins (8) are the same, and the second positioning contact pins (8) are arranged on the left end face of the anti-loosening gasket (4) at equal angles.

5. A brazed joint (6) check bolt according to claim 1, characterized in that: positioning groove (9) specification and positioning lug (10) specification phase-match, positioning groove (9) set up to the arc structure, positioning lug (10) terminal surface sets up to the arc structure, positioning groove (9) are provided with the multiunit, positioning lug (10) are provided with the multiunit, the quantity that positioning lug (10) set up is the same with positioning groove (9) quantity.

6. A brazed joint (6) check bolt according to claim 1, characterized in that: the braze welding joint (6) is made of tin or lead-tin alloy.