CN218971613U

CN218971613U - Bolt with replaceable screw head

Info

Publication number: CN218971613U
Application number: CN202223183909.4U
Authority: CN
Inventors: 古永豹
Original assignee: Hebei Nieshi Metal Products Co ltd
Current assignee: Hebei Nieshi Metal Products Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-05-05
Anticipated expiration: 2032-11-28

Abstract

The utility model belongs to the field of bolts, in particular to a bolt with a replaceable screw head, which comprises a threaded column, wherein an lengthening mechanism is tightly attached to the outer wall of the threaded column, the lower end of the threaded column is movably connected with an anti-disengaging mechanism, the anti-disengaging mechanism comprises a hexagonal column, a round hole and a rubber ring nut, the round hole is formed in the hexagonal column, and the rubber ring nut is tightly attached to the lower part of the hexagonal column; through inside anti-disengaging mechanism operation connection use, can directly take inside hexagonal post and rotate fixedly use during the use, can rotate fixedly with the rubber ring nut simultaneously, connect through inside rubber ring, carry out the connection on screw post surface and fix, prevent that inside screw from breaking away from the use, solve inside nut and can receive vibrations influence, carry out the problem that drops, reach can place equipment and fix the time, receive the effect that outside vibrations audio amplifier dropped.

Description

Bolt with replaceable screw head

Technical Field

The utility model relates to the field of bolts, in particular to a bolt with a replaceable bolt head.

Background

And (3) a bolt: the mechanical parts are matched with cylindrical threaded fasteners of nuts, and the fasteners consisting of a head part and a screw rod are matched with the nuts and used for fastening two parts with through holes.

The utility model discloses a double hexagon bolt head bolt disclosed in Chinese patent CN212155400U, which comprises a bolt body, wherein a first bolt head is fixed on the bolt body, a second bolt head is fixed on the side wall of the first bolt head, a limiting rod on the side wall of a fixed block is pushed to extrude the bolt body through the elasticity of a pressure spring, a nut is fastened on the outer side wall of the bolt body, the side wall of the limiting rod is clamped in a thread groove of the bolt body through a zigzag shape, the nut is further prevented from being separated from the bolt body when vibrating, the push rod is pushed, the push rod slides towards the limiting rod, the fixed block slides away from the bolt body, the pressure spring is contracted to generate elasticity, and meanwhile, the limiting rod slides away from the bolt body, at the moment, the bolt body can be rotated, the bolt body can be moved in the nut to fasten an object, the fixed block and the limiting rod are pushed to reset through the elasticity of the pressure spring, the limiting rod is pushed again to extrude the bolt body, and the bolt body and the nut are fastened to the object.

The following problems exist in the prior art:

1. when the existing bolt is fixedly installed, the internal nut is used through rotation fixing operation of the internal nut, the internal nut is directly rotated and fixed during use, and when a fixed object vibrates, the internal nut is affected by vibration and falls off;

2. when the current bolt is installed and used, the lengthened screw is fixed under force, the external screw is longer, the internal fixation is influenced, the internal fixation is caused when the fixed installation is carried out, a plurality of nuts are required to be used for rotation fixation, the screw used is wasted, and the later disassembly and the opening are influenced.

Disclosure of Invention

The present utility model provides a bolt with a replaceable screw head, so as to solve the problems set forth in the above background art.

The technical scheme adopted for solving the technical problems is as follows: the bolt with the replaceable screw head comprises a threaded column, wherein an lengthening mechanism is tightly attached to the outer wall of the threaded column, an anti-disengaging mechanism is movably connected to the lower end of the threaded column, the anti-disengaging mechanism comprises a hexagonal column, a round hole and a rubber ring nut, the round hole is formed in the hexagonal column, and the rubber ring nut is tightly attached to the lower portion of the hexagonal column.

The outer wall surface of the threaded column is tightly attached to the inner wall surface of the lengthening mechanism, threaded rotary connection is formed between the threaded column and the anti-disengaging mechanism, the round hole penetrates through the hexagonal column, and the lower surface of the hexagonal column is tightly attached to the upper surface of the rubber ring nut.

Preferably, the lengthening mechanism comprises a first circular column, a preposed hole, a central hole and a second circular column, wherein the preposed hole is formed in the front face of the first circular column, the preposed hole and the central axis of the first circular column are overlapped, and the lengthening mechanism is convenient to directly hold for penetrating and fixing.

Preferably, the first circular column is internally provided with a central hole, the central hole penetrates through the first circular column, and the central hole is fixedly connected through the inner central hole in a size fit manner.

Preferably, the second circular column is fixedly connected to the lower portion of the first circular column, and the second circular column is connected with the first circular column through welding, so that the connection is firmer through internal welding.

Preferably, the upper end fixedly connected with built-in post of screw thread post, and be connected through the welding between built-in post and the screw thread post, conveniently penetrate inside and connect fixedly to use.

Preferably, the upper end fixedly connected with rotary mechanism of built-in post, and coincide between rotary mechanism and the axis of built-in post, can directly hold and operate rotatory fixed use.

Preferably, the rotating mechanism comprises a gasket plate, a fastening bolt, a circular ring and a hole, the fastening bolt is fixedly connected to the upper portion of the gasket plate, the fastening bolt is connected with the gasket plate through welding, and the gasket plate is used for rotating and fixing under force more firmly.

Preferably, the top fixedly connected with circular ring of binding bolt, and the hole has been seted up to the inside of circular ring, and coincides between circular ring and the axis of binding bolt, conveniently holds circular ring and operates rotation installation use.

By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:

1. the utility model provides a bolt with a replaceable screw head, which is used by operating and connecting an internal anti-falling mechanism, can directly hold an internal hexagonal column for rotating and fixing during use, can simultaneously rotate and fix a rubber ring nut, is connected through an internal rubber ring, and is used for connecting and fixing the surface of a threaded column, so that the internal screw is prevented from being separated from use, the problem that the internal screw cap is affected by vibration and falls off is solved, and the effect that an external vibration sound box falls off when equipment can be placed for fixing is achieved.

2. The utility model provides a bolt with a replaceable screw head, which is characterized in that an internal lengthening mechanism is used for connection operation, when the bolt is used, an internal first circular column can penetrate into the outer walls of a threaded column and an internal column for connection and fixation, when the bolt is used for fixation, the internal first circular column and an internal second circular column can be wrapped and connected, and the top of the bolt is tightly attached and fixed for use, so that the problem that a plurality of nuts are required to be used for rotation and fixation during fixed installation, the used screws are wasted, and the later disassembly and opening are influenced is solved, and the effect of directly fixing the lengthened screws is achieved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of a front view structure of the present utility model;

FIG. 2 is a schematic view of an lengthening mechanism according to the present utility model;

FIG. 3 is a schematic view of the structure of the anti-disengaging mechanism according to the present utility model;

fig. 4 is a schematic structural view of a rotating mechanism in the present utility model.

In the figure: 1. a threaded column; 2. a lengthening mechanism; 201. a first circular column; 202. a front hole; 203. a central bore; 204. a second circular post; 3. an anti-drop mechanism; 301. hexagonal columns; 302. a circular hole; 303. a rubber ring nut; 4. a built-in column; 5. a rotation mechanism; 501. a gasket plate; 502. a fastening bolt; 503. a circular ring; 504. holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

The preferred embodiment of a bolt with a replaceable screw head according to the present utility model is shown in fig. 1 to 4: including screw thread post 1, screw thread post 1's outer wall closely laminates has extension mechanism 2, and screw thread post 1's lower extreme swing joint has anti-disengaging mechanism 3, and anti-disengaging mechanism 3 includes hexagonal post 301, circular hole 302 and rubber ring nut 303, and circular hole 302 has been seted up to hexagonal post 301's inside, and hexagonal post 301's below closely laminates has rubber ring nut 303.

The outer wall surface of the threaded column 1 is tightly attached to the inner wall surface of the lengthening mechanism 2, the threaded column 1 and the anti-disengaging mechanism 3 form threaded rotary connection, the round hole 302 penetrates through the hexagonal column 301, and the lower surface of the hexagonal column 301 is tightly attached to the upper surface of the rubber ring nut 303.

In this embodiment, the lengthening mechanism 2 includes a first circular column 201, a front hole 202, a central hole 203 and a second circular column 204, the front surface of the first circular column 201 is provided with the front hole 202, the front hole 202 coincides with the central axis of the first circular column 201, the central hole 203 is provided in the first circular column 201, and the central hole 203 penetrates through the first circular column 201, so that the first circular column 201 can be held for operation, penetrating, connection and fixing.

Example 2

On the basis of embodiment 1, a preferred embodiment of a bolt with a replaceable screw head according to the present utility model is shown in fig. 1 to 4: the second round column 204 is fixedly connected to the lower portion of the first round column 201, and the second round column 204 is connected with the first round column 201 through welding, so that the first round column 201 is conveniently and directly penetrated, connected and fixedly used.

In this embodiment, the upper end fixedly connected with built-in post 4 of screw thread post 1, and be connected through the welding between built-in post 4 and the screw thread post 1, can hold built-in post 4 and carry out the connection operation and penetrate the installation and use.

Further, the upper end fixedly connected with rotary mechanism 5 of built-in post 4, and coincide between rotary mechanism 5 and the axis of built-in post 4, conveniently hold rotary mechanism 5 and carry out direct rotation operation and use.

Furthermore, the rotation mechanism 5 comprises a gasket plate 501, a fastening bolt 502, a circular ring 503 and a hole 504, wherein the fastening bolt 502 is fixedly connected to the upper side of the gasket plate 501, the fastening bolt 502 is connected with the gasket plate 501 through welding, and the wrench can be rotated and fixed through the fastening bolt 502.

In addition, a circular ring 503 is fixedly connected to the upper portion of the fastening bolt 502, a hole 504 is formed in the circular ring 503, the circular ring 503 coincides with the central axis of the fastening bolt 502, and the fastening bolt can be fixedly used by penetrating and rotating through the circular ring 503.

The electrical components are all connected with an external main controller and 220V mains supply, and the main controller can be conventional known equipment for controlling a computer and the like.

The theory of operation, penetrate screw thread post 1 and built-in post 4's outer wall through holding inside extension mechanism 2 and operate, carry out whole and the equipment penetrate fixed connection during the use, can hold rotary mechanism 5 during the operation and rotate fixed mounting, then carry out fixed operation with anticreep mechanism 3, rotate fixedly through holding inside hexagonal post 301, rotate fixed mounting with inside rubber ring nut 303 simultaneously, can fix the completion and use.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides a bolt of removable spiral shell head which characterized in that: the anti-falling device comprises a threaded column (1), wherein an lengthening mechanism (2) is tightly attached to the outer wall of the threaded column (1), an anti-falling mechanism (3) is movably connected to the lower end of the threaded column (1), the anti-falling mechanism (3) comprises a hexagonal column (301), a circular hole (302) and a rubber ring nut (303), the circular hole (302) is formed in the hexagonal column (301), and the rubber ring nut (303) is tightly attached to the lower portion of the hexagonal column (301);

the outer wall surface of the threaded column (1) is tightly attached to the inner wall surface of the lengthening mechanism (2), threaded rotary connection is formed between the threaded column (1) and the anti-disengaging mechanism (3), the round hole (302) penetrates through the hexagonal column (301), and the lower surface of the hexagonal column (301) is tightly attached to the upper surface of the rubber ring nut (303).

2. A bolt with replaceable screw head according to claim 1, characterized in that: the lengthening mechanism (2) comprises a first circular column (201), a preposed hole (202), a central hole (203) and a second circular column (204), wherein the preposed hole (202) is formed in the front of the first circular column (201), and the preposed hole (202) is overlapped with the central axis of the first circular column (201).

3. A bolt with a replaceable screw head according to claim 2, characterized in that: the inside of the first circular column (201) is provided with a central hole (203), and the central hole (203) penetrates through the inside of the first circular column (201).

4. A bolt with a replaceable screw head according to claim 2, characterized in that: the lower part of the first circular column (201) is fixedly connected with a second circular column (204), and the second circular column (204) is connected with the first circular column (201) through welding.

5. A bolt with replaceable screw head according to claim 1, characterized in that: the upper end of the threaded column (1) is fixedly connected with a built-in column (4), and the built-in column (4) is connected with the threaded column (1) through welding.

6. A bolt with replaceable screw head according to claim 5, wherein: the upper end of the built-in column (4) is fixedly connected with a rotating mechanism (5), and the rotating mechanism (5) is overlapped with the central axis of the built-in column (4).

7. A bolt with replaceable screw head according to claim 6, wherein: the rotating mechanism (5) comprises a gasket plate (501), a fastening bolt (502), a circular ring (503) and a hole (504), wherein the fastening bolt (502) is fixedly connected to the upper side of the gasket plate (501), and the fastening bolt (502) is connected with the gasket plate (501) through welding.

8. A replaceable screw bolt according to claim 7, wherein: the upper part of the fastening bolt (502) is fixedly connected with a circular ring (503), a hole (504) is formed in the circular ring (503), and the circular ring (503) is overlapped with the central axis of the fastening bolt (502).