CN214837722U - Check bolt coupling assembling - Google Patents

Abstract

The utility model discloses a connecting component of a locking bolt, which comprises a bolt, a first nut and a locking piece, wherein the bolt comprises a stud and a bolt head, the stud is axially provided with two first grooves from the top end, the center of the first nut is axially provided with a first nut through hole, the bottom end of the first nut through hole comprises a large-diameter end, the top end surface of the first nut through hole comprises a plurality of second grooves, the locking piece is axially provided with a locking piece through hole, the inner wall surface of the locking piece through hole is provided with two first lugs matched with the two first grooves, the bottom surface of the locking piece is provided with a plurality of second lugs matched with the second grooves, the locking piece axially extends out of two clamping pieces from the bottom surface, the clamping pieces comprise an extension arm and an elastic clamping part positioned at the tail end of the extension arm, the two clamping pieces can be clamped with the end surface of the large-diameter end after extending into the large-diameter end from the first nut through hole, and the first lugs are positioned in the first grooves, the second lug is positioned in the second groove, so that the positioning and connection of the bolt and the first nut are realized.

Description

Check bolt coupling assembling

Technical Field

The utility model belongs to the technical field of the connecting piece, be a check bolt coupling assembling particularly.

Background

The bolt connecting piece is a common fixed connecting piece, the fixed connection of two parts can be realized through the threaded connection of the bolt and the nut, but the nut in the prior art is easy to loosen.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a check bolt coupling assembling.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

a check bolt connecting assembly comprises a bolt, a first nut and a check part, wherein the bolt comprises a stud and a bolt head, the stud is axially provided with two first grooves from the top end, the center of the first nut is axially provided with a first nut through hole, the bottom end of the first nut through hole comprises a large-diameter end, the top end face of the first nut through hole comprises a plurality of second grooves, the check part is axially provided with a check part through hole, the inner wall surface of the check part through hole is provided with two first convex blocks matched with the two first grooves, the bottom surface of the check part is provided with a plurality of second convex blocks matched with the second grooves, the check part axially extends out of the bottom surface and is provided with two clamping parts, each clamping part comprises an extension arm and an elastic clamping part positioned at the tail end of the extension arm, and the two clamping parts can be clamped with the end face of the large-diameter end after extending into the large-diameter end from the first nut through hole, meanwhile, the first lug is positioned in the first groove, and the second lug is positioned in the second groove, so that the positioning and the connection of the bolt and the first nut are realized.

Further, the bolt head is located at the bottom end of the stud.

Further, the two first grooves are oppositely arranged.

Further, the plurality of second grooves are circumferentially arranged along the top end face of the first nut through hole, and the second convex blocks are circumferentially arranged along the bottom face of the anti-loosening piece.

A check bolt connecting assembly comprises a bolt, a second nut and a check member, wherein the bolt comprises a stud and a bolt head, the stud is axially provided with two first grooves from the top end, the center of the second nut is axially provided with a second nut through hole, the side part of the top end surface of the second nut comprises an elastic containing wall extending along the axial direction, the top end of the containing wall comprises two limiting parts extending inwards, the top end surface of the second nut comprises a first ratchet, the check member comprises a limiting part, a clamping part and a spring, the bottom surface of the limiting part is provided with a second ratchet matched with the first ratchet, the top surface of the limiting part axially extends three extending arms, the center of the clamping part is axially provided with a clamping part center through hole, the center side edge of the clamping part is provided with an extending arm containing through hole matched with the three extending arms, the inner wall of the clamping part center through hole is provided with two first convex blocks matched with the first grooves, the limiting part, the clamping piece and the spring are located between the top end face of the second nut and the limiting part, the top end face of the clamping piece is limited by the limiting part, and the spring is located between the limiting part and the clamping piece.

Further, the number of the accommodating walls is two and the accommodating walls are arranged oppositely.

Further, the spring is located inside the three projecting arms.

Furthermore, the upper parts of the three extending arms are respectively provided with an extending arm through hole.

Compared with the prior art, the utility model, it is showing the advantage and lies in:

the utility model discloses a check bolt coupling assembling includes bolt, nut and anti-loosening member, and after bolt and nut threaded connection, the check member can make bolt and nut can not become flexible with the recess joint of the double-screw bolt part of bolt, and overall structure design is simple, ingenious, practical, reasonable.

Drawings

Fig. 1 is a structural assembly diagram of a first embodiment of a check bolt connecting assembly.

Fig. 2 is a schematic structural view of a bolt.

Fig. 3 is a schematic structural view of the first nut.

Fig. 4 is a schematic structural view of the first nut.

Fig. 5 is a structural perspective view of the first nut.

Fig. 6 is a schematic view of the structure of the anti-loose member.

Fig. 7 is a schematic view of the structure of the anti-loose member.

Fig. 8 is a structural perspective view of the anti-release member.

FIG. 9 is a schematic view of an installation process of the first embodiment of the check bolt connection assembly.

Fig. 10 is a schematic view of a second installation process of the first anti-loose bolt connection assembly embodiment.

FIG. 11 is a view of the locking bolt assembly of the first embodiment shown in a clamped position after installation.

Fig. 12 is a structural assembly view of a second embodiment of the check bolt connecting assembly.

Fig. 13 is a schematic structural view of the second nut.

Fig. 14 is a schematic structural view of the second nut.

Fig. 15 is a structural perspective view of the second nut.

Fig. 16 is a schematic structural view of the clip.

Fig. 17 is a schematic structural diagram of the stopper.

Fig. 18 is a schematic structural diagram of the stopper.

Fig. 19 is a schematic view of an installation completion state of the second lock bolt coupling assembly embodiment.

FIG. 20 is a schematic view of the second embodiment of the check bolt connecting assembly being disassembled.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example one

Referring to fig. 1-8, a locking bolt connection assembly includes a bolt 1, a first nut 2 and a locking member 3, where the bolt 1 includes a stud 12 and a bolt head 11, the stud 12 has two first grooves 13 axially formed from a top end, a first nut through hole 21 axially formed in a center of the first nut 2, a large diameter end 22 is formed at a bottom end of the first nut through hole 21, a plurality of second grooves 23 are formed on a top end surface of the first nut through hole 21, a locking member through hole 31 axially formed in the locking member 3, two first protrusions 32 matched with the two first grooves 13 are formed on an inner wall surface of the locking member through hole 31, a plurality of second protrusions 35 matched with the second grooves 23 are formed on a bottom surface of the locking member 3, two clamping members 33 axially extend from the bottom surface of the locking member 3, each clamping member 33 includes an extension arm 36 and an elastic clamping portion 34 located at an end of the extension arm, two joint pieces 33 can stretch into the terminal surface joint with big footpath end 22 behind the big footpath end 22 from first nut through-hole 21, and first lug 32 is located first recess 13 simultaneously, and second lug 35 is located second recess 23 to realize the location and the connection of bolt 1 and first nut 2.

Preferably, the bolt head 11 is located at the bottom end of the stud 12.

Preferably, the two first grooves 13 are oppositely arranged.

Preferably, the plurality of second grooves 23 are circumferentially arranged along the top end surface of the first nut through hole 21, and the second protrusions 35 are circumferentially arranged along the bottom surface of the locking member 3.

With reference to fig. 9-11, when the anti-loose bolt connection assembly is used, the first nut 2 is first screwed in from the top end of the stud 12 (as shown in fig. 9), the anti-loose piece 3 is inserted from the top end of the stud 12 after being screwed (as shown in fig. 10), the first protrusion 32 is kept sliding in along the first groove 13, the first protrusion 32 is matched with the first groove 13 to keep the anti-loose piece 3 limited relative to the stud 12, the anti-loose piece 3 is inserted from the top end of the stud 12 until the first nut 2 contacts the first protrusion 3 until the second protrusion 35 is matched with the second groove 23, in this process, the elastic clamping portion 34 is compressed, and after the second protrusion 35 is matched with the second groove 23, the elastic clamping portion 34 is released at the large-diameter end 22 to clamp the clamping portion 34 with the large-diameter end 22 (as shown in fig. 11), so as to position and connect the bolt 1 and the first nut 2.

Example two

With reference to fig. 12-18, a locking bolt connection assembly includes a bolt 1, a second nut 4 and a locking member, where the bolt 1 includes a stud 12 and a bolt head 11, the stud 12 is axially provided with two first grooves 13 from the top end, the center of the second nut 4 is axially provided with a second nut through hole 44, the side of the top end surface of the second nut 4 includes an elastic accommodating wall 42 extending axially, the top end of the accommodating wall 42 includes two inward extending limiting portions 43, the top end surface of the second nut 4 includes a first ratchet 41, the locking member includes a limiting member 5, a clamping member 6 and a spring 7, the bottom surface of the limiting member 5 is provided with a second ratchet 52 matching the first ratchet 41, the top surface extends axially to form three extending arms 51, the center of the clamping member 6 is axially provided with a ratchet central through hole 61, the side of the center is provided with an extending arm accommodating through hole 62 matching the three extending arms 51, the inner wall of joint spare central through hole 61 is provided with two and first recess 13 complex first lugs 63, locating part 5, joint spare 6 and spring 7 are located between second nut 4 top face and spacing portion 43, and the top face of joint spare 6 is spacing by spacing portion 43, spring 7 is located between locating part 5, joint spare 6.

Preferably, the accommodating walls 42 are two in number and are oppositely disposed.

Preferably, the spring 7 is located inside the three projecting arms 51.

Preferably, the upper portions of the three projecting arms 51 are respectively provided with a projecting arm through hole 53.

With reference to fig. 19, when the anti-loose bolt connection assembly is used, first, the second nut 4 and the anti-loose member are assembled, the limiting member 5, the clamping member 6 and the spring 7 are installed in the accommodating wall 42, the limiting member 5 is installed in the accommodating wall 42 first, so that the second ratchet 52 is matched with the first ratchet 41, then the clamping member 6 and the spring 7 are placed in, the spring 7 is kept between the limiting member 5 and the clamping member 6, the central through hole 61 of the clamping member 6 is matched with the extending arm 51, the top end face of the clamping member 6 is limited by the limiting portion 43, and then the second nut 4 is screwed into the stud; referring to fig. 20, when disassembly is required, a tool is used to hook the through hole 53 of the extension arm and stretch outward, the limiting member 5 is pulled up, the second ratchet 52 is separated from the first ratchet 41, and the second nut 4 can be unscrewed.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. A check bolt connecting assembly comprises a bolt (1), a first nut (2) and a check part (3), wherein the bolt (1) comprises a stud (12) and a bolt head (11), and is characterized in that the stud (12) is axially provided with two first grooves (13) from the top end, the center of the first nut (2) is axially provided with a first nut through hole (21), the bottom end of the first nut through hole (21) comprises a large-diameter end (22), the top end face of the first nut through hole (21) comprises a plurality of second grooves (23), the check part (3) is axially provided with a check part through hole (31), the inner wall face of the check part through hole (31) is provided with two first lugs (32) matched with the two first grooves (13), the bottom face of the check part (3) is provided with a plurality of second lugs (35) matched with the second grooves (23), prevent that pine (3) stretches out along the axial from the bottom surface and have two joint spare (33), joint spare (33) include extension arm (36) and are located the terminal elasticity joint portion (34) of extension arm, and two joint spare (33) can stretch into the terminal surface joint with big footpath end (22) behind big footpath end (22) from first nut through-hole (21), and first lug (32) are located first recess (13) simultaneously, and second lug (35) are located second recess (23) to realize the location and the connection of bolt (1) and first nut (2).

2. Anti loose bolt connection assembly according to claim 1, characterized in that the bolt head (11) is located at the bottom end of the stud (12).

3. Anti-loose bolt connection assembly according to claim 1, characterized in that the two first grooves (13) are oppositely arranged.

4. The loose bolt connection assembly according to claim 3, wherein the plurality of second grooves (23) are arranged in a circumferential direction along a top end surface of the first nut through hole (21), and the second protrusions (35) are arranged in a circumferential direction along a bottom surface of the loose prevention member (3).

5. A check bolt connecting assembly comprises a bolt (1), a second nut (4) and a check bolt, wherein the bolt (1) comprises a stud (12) and a bolt head (11), and is characterized in that the stud (12) is axially provided with two first grooves (13) from the top end, the center of the second nut (4) is axially provided with a second nut through hole (44), the side part of the top end surface of the second nut (4) comprises an elastic containing wall (42) extending along the axial direction, the top end of the containing wall (42) comprises two limiting parts (43) extending inwards, the top end surface of the second nut (4) comprises a first ratchet (41), the check bolt connecting assembly comprises a limiting part (5), a clamping part (6) and a spring (7), the bottom surface of the limiting part (5) is provided with a second ratchet (52) matched with the first ratchet (41), and the top surface of the limiting part axially extends out three extending arms (51), the center of joint spare (6) has been seted up along the axial joint spare central through hole (61), the center side seted up with three cantilever arm (51) complex cantilever arm hold through-hole (62), the inner wall of joint spare central through hole (61) be provided with two with first recess (13) complex first lug (63), locating part (5), joint spare (6) and spring (7) are located between second nut (4) top face and spacing portion (43), and the top face of joint spare (6) is spacing by spacing portion (43), spring (7) are located between locating part (5), joint spare (6).

6. Anti-loose bolt connection assembly according to claim 5, characterized in that the number of said housing walls (42) is two and oppositely arranged.

7. Anti-loose bolt connection assembly according to claim 5, characterized in that the spring (7) is located inside a three-piece projecting arm (51).

8. A lock bolt connection assembly according to claim 5, wherein the upper parts of the three projecting arms (51) are respectively provided with a projecting arm through hole (53).

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