Locking mechanism for fastening bolt

Abstract

The utility model relates to the technical field of fasteners, in particular to a locking mechanism for a fastening bolt, which comprises a fastening bolt main body, the outer wall of the fastening bolt main body is sleeved with a connecting mechanism, the connecting mechanism comprises a plurality of connecting threads, and the connecting threads are spirally distributed on the periphery of the outer wall of the fastening bolt main body. The outer wall of the fastening bolt body is connected with a connecting nut in a sleeved mode and attached to the outer wall of the connecting thread, a fastening mechanism is arranged on the outer wall of the connecting mechanism, penetrates into the connecting mechanism and is attached to the outer wall of the fastening bolt body, and the fastening mechanism comprises a connecting column. According to the utility model, through the mutual matching between the internal parts of the connecting mechanism and the internal parts of the fastening mechanism, the connection and fastening between the fastening bolt main body and the connecting nut can be completed, the disassembly steps are simplified, and the practicability between the fastening bolt main body and the connecting nut is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fastener technical field, concretely relates to a locking mechanism for fastening bolt. BACKGROUND

[0002] The connection and assembly of various equipment and parts of mechanical industry, automobile industry, aerospace industry, medical equipment and the like cannot leave the fastening mode of nut and bolt combination, and there are many fastening types between the existing nut and bolt, there are detachable bolts, and there are permanent locking bolts, but the permanent locking bolt is not suitable for the connection and installation between multiple parts.

[0003] Through the retrieval, the utility model discloses a kind of adjustable spring nut with announcement No.CN217603126U, specifically discloses that the adjustable spring nut includes nut body, installation slot, outer thread, installation cylinder, inner thread, mounting block, sink, first spring, through-hole, washer, slot, installation port, limit block, second spring and clamping block, the annular installation slot is set in the upper end of the nut body, the installation slot is coaxially arranged with the nut body, the inner side groove wall of the installation slot is provided with outer thread, the installation slot is provided with the installation cylinder coaxially arranged with the nut body, the inner wall of the installation cylinder is provided with inner thread, the inner thread is threadedly connected with outer thread, the upper end of the installation cylinder is provided with mounting block, the bottom of the mounting block is provided with annular sink, the upper end of the installation cylinder can be slidably inserted in the sink, compared with prior art, can effectively prevent nut loosening, improve the anti-loosening and shock-absorbing performance of nut, improve the practicability and safety of nut, simple structure, convenient to use, easy to popularize and apply.

[0004] In the above patent, the length between the nut and the installation cylinder is fixed and adjusted by setting a transverse spring in the nut and making the clamping block on one side of the spring and the outer wall of the installation cylinder mutually clamped, but when the nut in the above patent is separated from the bolt, the clamping block connected by the spring in the nut needs to be retracted into the nut from the bolt or the installation cylinder, and then the nut is rotated by the worker through the wrench to complete the disassembly and separation of the nut and the fastening bolt, which makes the disassembly and separation of the nut on the outer wall of the fastening bolt and the bolt extremely inconvenient and reduces the practicability of the nut and the fastening bolt.

[0005] Therefore, it is necessary to propose a locking mechanism for fastening bolt to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model discloses a purpose is provided with a locking mechanism for fastening bolt, through the mutual cooperation between the inside parts of connecting mechanism and fastening mechanism inside parts, can complete the connecting fastening between fastening bolt main part and connecting nut, and simplifies the step when disassembling, improves the practicability between fastening bolt main part and connecting nut, to solve the multiple spring connection of nut inner wall in prior art, resulting in the staff needing to shrink the clamping block of nut inner spring connection from bolt or mounting cylinder into nut, then the staff rotates nut through spanner, completes the disassembly separation between nut and fastening bolt, and this disassembly mode makes the disassembly separation between the nut of fastening bolt outer wall and bolt extremely inconvenient, and reduces the practicability of nut and fastening bolt connection problem.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a locking mechanism for fastening bolt, including fastening bolt main part, the outer wall of fastening bolt main part is sleeved with connecting mechanism, the outer wall of connecting mechanism is provided with fastening mechanism, and it is penetrated to the inside of connecting mechanism, and is attached with the outer wall of fastening bolt main part.

[0008] Preferably, the connecting mechanism includes a plurality of connecting threads, and the plurality of connecting threads are helically distributed around the outer wall of the fastening bolt main body. The connecting nut is connected to the outer wall of the fastening bolt main body and is attached to the outer wall of the connecting thread.

[0009] Preferably, the fastening mechanism includes a connecting column, the connecting column is slidingly connected to one side of the outer wall of the connecting nut and penetrates into the inside of the connecting nut, the inner wall of the connecting nut is provided with a support plate and is rotationally connected with the connecting column, the top end of the support plate is provided with a support shaft and penetrates the support plate to the inner wall of the connecting nut, one end of the support plate away from the connecting column is connected with a support column and is located on the side of the support plate away from the connecting column, the side of the support column away from the support plate is connected with a locking block and is attached to the outer wall of the connecting thread and is slidingly connected to the inside of the connecting nut, the side of the support plate away from the support column is connected with an extension spring and is located at one end of the connecting column and is installed in the inside of the connecting nut.

[0010] Preferably, one end of the connecting thread is provided with a circular arc surface, the other end of the connecting thread is provided with a flat cross section, a plurality of connecting threads are provided with a connecting groove between the circular arc surface and the cross section, and the inner wall of the connecting nut is provided with a thread groove matched with the connecting thread.

[0011] Preferably, the side of the locking block in contact with the circular arc surface of the connecting thread is provided with an arc surface, the inside of the connecting nut is provided with an extension slot matched with the connecting column, and the inner wall of the connecting nut is provided with a sliding groove matched with the locking block.

[0012] Preferably, the inner wall of the connecting nut is provided with a support groove matched with the support plate, the support plate is rotationally connected with the connecting nut through a support shaft, and the connecting column and the support column are rotationally connected with the support plate through bearings.

[0013] In the above technical solution, the technical effects and advantages of the utility model are provided.

[0014] 1. By penetrating the fastening bolt body through the connecting component, and then mutually approaching and sleeving the connecting nut and the bottom end of the fastening bolt body, the connecting nut is rotationally connected through the connecting thread on the outer wall of the fastening bolt body in a clockwise direction, the connecting nut is rotationally moved on the fastening bolt body through the connecting thread, at the same time, the connecting thread is in contact with the locking clamping block in the inner wall of the connecting nut, the arc surface on the surface of the connecting thread is in contact with and extruded by the arc surface on one side of the locking clamping block, the locking clamping block pushes the support plate through the support column to extrude and retract the extension spring, the support column drives the locking clamping block to retract from the inner wall of the connecting nut to the inside of the connecting nut, so that the connecting nut is conveniently moved on the fastening bolt body, when the extrusion between the connecting thread and the locking clamping block is released, the locking clamping block moves to the gap between the connecting threads, when the connecting nut is counterclockwise rotated, the cross section on one side of the locking clamping block is in contact with the connecting thread, the connecting thread is limited by the locking clamping block through the cross section, the connecting nut will not slide down from the surface of the fastening bolt body when the connecting nut is counterclockwise rotated due to vibration, the connection and fastening between the fastening bolt body and the connecting nut are completed, and the connecting nut will not be loosened and slide down in the height position of the fastening bolt body due to vibration or long time use.

[0015] 2. When the connecting nut needs to be separated from the fastening bolt body, the staff sticks the handle to the outer wall of the connecting nut and extrudes the connecting column in the outer wall of the connecting nut, the connecting column is forced to push the support plate, the support plate is forced to extrude and retract the extension spring, the support plate is moved to rotate in the connecting nut through the support shaft, the support plate drives the support column to move, the support column drives the locking clamping block to retract from the gap between the connecting threads to the inner wall of the connecting nut, the connection and locking between the connecting thread and the connecting nut are released, the connecting nut is counterclockwise rotated by the wrench, the connecting nut is separated from the surface of the fastening bolt body, the installation and fixation between the fastening bolt body and the connecting nut are released, the operation steps of dismounting and separating the fastening bolt body and the connecting nut are simplified, and the connection practicability of the fastening bolt body and the connecting nut is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0017] Figure 1 It is the whole structure schematic view of the utility model;

[0018] Figure 2 It is the connection structure explosion schematic view of the fastening bolt main body and the connecting nut of the utility model;

[0019] Figure 3 It is the cross section structure schematic view of the connecting nut of the utility model;

[0020] Figure 4 It is the Figure 2 enlarged structure schematic view of A place in the utility model;

[0021] Figure 5 It is the Figure 3 enlarged structure schematic view of B place in the utility model.

[0022] Mark explanation:

[0023] 1, fastening bolt main body;2, connecting mechanism;201, connecting thread;202, connecting nut;3, fastening mechanism;301, connecting column;302, support plate;303, support shaft;304, support column;305, locking block;306, extension spring. Specific implementation

[0024] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be further introduced in detail below in conjunction with the drawings.

[0025] The utility model provides a kind of locking mechanism for fastening bolt as shown in Figures 1-5 Including fastening bolt main body 1, the outer wall of fastening bolt main body 1 is sleeved with connecting mechanism 2, the outer wall of connecting mechanism 2 is provided with fastening mechanism 3, and it is penetrated to the inside of connecting mechanism 2, and it is adhered with the outer wall of fastening bolt main body 1, by the mutual cooperation between the internal parts of connecting mechanism 2 and the internal parts of fastening mechanism 3, the connection fastening between fastening bolt main body 1 and connecting nut 202 can be completed, and the step when disassembling is simplified, the practicability between fastening bolt main body 1 and connecting nut 202 is improved.

[0026] With reference to the drawings of the specification Figures 1-5 Connecting mechanism 2 includes multiple connecting threads 201, and multiple connecting threads 201 are spirally distributed around the outer wall of fastening bolt main body 1, and connecting nut 202 is connected to the outer wall of fastening bolt main body 1, and is adhered with the outer wall of connecting thread 201, by the mutual cooperation between the internal parts of connecting mechanism 2, the installation connection between fastening bolt main body 1 and connecting nut 202 can be completed.

[0027] With reference to the drawings of the specificationFigures 1-5 The fastening mechanism 3 comprises a connecting column 301 which is slidingly connected to one side of the outer wall of the connecting nut 202 and penetrates into the interior of the connecting nut 202, the inner wall of the connecting nut 202 is provided with a support plate 302 which is rotationally connected with the connecting column 301, the top end of the support plate 302 is provided with a support shaft 303 which penetrates the support plate 302 to the inner wall of the connecting nut 202, the end of the support plate 302 away from the connecting column 301 is connected with a support column 304 which is located on the side of the support plate 302 away from the connecting column 301, the side of the support column 304 away from the support plate 302 is fixedly connected with a locking block 305 which is in abutment with the outer wall of the connecting thread 201 and is slidingly connected to the interior of the connecting nut 202, the side of the support plate 302 away from the support column 304 is fixedly connected with an extension spring 306 which is located at one end of the connecting column 301 and is installed in the interior of the connecting nut 202, the connection and fastening between the fastening bolt body 1 and the connecting nut 202 can be completed through the mutual cooperation between the internal parts of the fastening mechanism 3, and the operation steps for disassembling and separating the fastening bolt body 1 and the connecting nut 202 are simplified, thereby improving the practicability of the fastening bolt body 1 and the connecting nut 202.

[0028] Referring to the drawings accompanying the specification Figures 1-5 One end of the connecting thread 201 is provided with a circular arc surface, the other end of the connecting thread 201 is provided with a flat cross section, a plurality of connecting threads 201 are provided with connecting grooves between the circular arc surfaces and the cross sections, the inner wall of the connecting nut 202 is provided with a threaded groove matched with the connecting thread 201, the inner wall of the connecting nut 202 is provided with a threaded groove matched with the connecting thread 201, so that the connecting nut 202 is installed and connected with the fastening bolt body 1 through the connecting thread 201.

[0029] Referring to the drawings accompanying the specification Figures 1-5 The side of the locking block 305 in contact with the circular arc surface of the connecting thread 201 is provided with an arc surface, the interior of the connecting nut 202 is provided with an extension groove matched with the connecting column 301, the inner wall of the connecting nut 202 is provided with a sliding groove matched with the locking block 305, the side of the locking block 305 in contact with the circular arc surface of the connecting thread 201 is provided with an arc surface, which facilitates the mutual contact and extrusion between the connecting thread 201 and the arc surface of the locking block 305 when the fastening bolt body 1 drives the connecting thread 201 to rotate clockwise.

[0030] Referring to the drawings accompanying the specification Figures 1-5The inner wall of the connecting nut 202 is provided with a support groove matched with the support plate 302, the support plate 302 is rotationally connected with the connecting nut 202 through a support shaft 303, and the connecting column 301 and the support column 304 are rotationally connected with the support plate 302 through bearings, so that the support plate 302 is driven to rotate to drive the connecting column 301 and the support column 304 to slide in the inner wall of the connecting nut 202.

[0031] The utility model discloses a fastening bolt body 1 and connecting nut 202 are connected, and the connecting nut 202 is connected with the fastening bolt body 1 through the connecting thread 201 on the outer wall of the fastening bolt body 1, and the connecting nut 202 is connected with the fastening bolt body 1 through the connecting thread 201 on the outer wall of the fastening bolt body 1.

[0032] Referring to the drawings in the specification Figures 1-5 First, the fastening bolt body 1 penetrates the connecting component, and then the connecting nut 202 is connected with the bottom end of the fastening bolt body 1, and the connecting nut 202 is connected with the fastening bolt body 1 through the connecting thread 201 on the outer wall of the fastening bolt body 1, and the connecting nut 202 is connected with the fastening bolt body 1 through the connecting thread 201 on the outer wall of the fastening bolt body 1.

[0033] Referring to the drawings in the specification Figures 1-5When the connecting nut 202 needs to be separated from the fastening bolt body 1, the worker needs to press the handle against the outer wall of the connecting nut 202 and extrude the connecting column 301 of the connecting nut 202, so that the connecting column 301 pushes the supporting plate 302, the supporting plate 302 extrudes the retractable spring 306 to move, the supporting plate 302 rotates in the connecting nut 202 through the supporting shaft 303, the supporting plate 302 rotates to drive the supporting column 304 to move, the supporting column 304 moves to drive the locking block 305 to retract into the inner wall of the connecting nut 202 from the gap between the connecting threads 201, the connection between the connecting threads 201 and the connecting nut 202 is unlocked, the connecting nut 202 is rotated counterclockwise by the wrench, and the connecting nut 202 is separated from the surface of the fastening bolt body 1, so that the fastening bolt body 1 and the connecting nut 202 are separated, the operation steps of the fastening bolt body 1 and the connecting nut 202 are simplified, and the practicability of the fastening bolt body 1 and the connecting nut 202 is improved.

[0034] The above only describes certain exemplary embodiments of the present application by way of illustration, and it is needless to say that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present application. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the present application.

Claims

1. A locking mechanism for securing a bolt, comprising a securing bolt body (1), characterized in that: The outer wall of the fastening bolt body (1) is sleeved with a connecting mechanism (2), the outer wall of the connecting mechanism (2) is provided with a fastening mechanism (3) penetrating into the inside of the connecting mechanism (2) and abutting with the outer wall of the fastening bolt body (1).

2. A locking mechanism for securing a bolt as claimed in claim 1, wherein: The connecting mechanism (2) comprises a plurality of connecting threads (201) spirally distributed around the outer wall of the fastening bolt body (1), and the fastening bolt body (1) is sleeved with a connecting nut (202) abutting with the outer wall of the connecting thread (201).

3. A locking mechanism for securing a bolt according to claim 2, wherein: The fastening mechanism (3) comprises a connecting column (301) slidingly connected to one side of the outer wall of the connecting nut (202) and penetrating into the inside of the connecting nut (202), the inner wall of the connecting nut (202) is provided with a supporting plate (302) rotationally connected with the connecting column (301), the top end of the supporting plate (302) is provided with a supporting shaft (303) penetrating the supporting plate (302) to the inner wall of the connecting nut (202), the end of the supporting plate (302) away from the connecting column (301) is connected with a supporting column (304) located on the side of the supporting plate (302) away from the connecting column (301), the side of the supporting column (304) away from the supporting plate (302) is connected and fixed with a locking clamping block (305) abutting with the outer wall of the connecting thread (201) and slidingly connected to the inside of the connecting nut (202), the side of the supporting plate (302) away from the supporting column (304) is connected and fixed with an extension spring (306) located at one end of the connecting column (301) and installed in the inside of the connecting nut (202).

4. A locking mechanism for securing a bolt according to claim 2, wherein: One end of the connecting thread (201) is provided with a circular arc surface, the other end of the connecting thread (201) is provided with a flat cross section, a plurality of connecting grooves are arranged between the circular arc surface and the flat cross section of the connecting thread (201), and the inner wall of the connecting nut (202) is provided with a thread groove matched with the connecting thread (201).

5. A locking mechanism for securing a bolt as defined in claim 3, wherein: The side of the locking clamping block (305) in contact with the circular arc surface of the connecting thread (201) is provided with an arc surface, the inside of the connecting nut (202) is provided with an extension slot matched with the connecting column (301), and the inner wall of the connecting nut (202) is provided with a sliding groove matched with the locking clamping block (305).

6. A locking mechanism for securing a bolt according to claim 3, wherein: The inner wall of the connecting nut (202) is provided with a supporting groove matched with the supporting plate (302), the supporting plate (302) is rotationally connected with the connecting nut (202) through the supporting shaft (303), and the connecting column (301) and the supporting column (304) are rotationally connected with the supporting plate (302) through bearings.

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