CN218882737U - Bolt convenient to fasten and disassemble - Google Patents

Abstract

The utility model relates to the technical field of bolts, in particular to a bolt which is convenient for fastening and dismounting. The bottom of the slot is provided with two long slots, the bottom of the slot is provided with a first fixing hole, the bottom of the top cap is fixedly connected with a screw, the inside of the screw is provided with a mounting hole, and the mounting hole A second fixing hole is opened at the bottom of the screw, a connection hole is opened on both sides of the screw, and a threaded rod is arranged inside the screw. The utility model has the advantages that: the self-locking block that is convenient for fastening and dismounting bolts is provided, when the device is used for the connection of planks, the self-locking block will move to one side of the plank, and then be inserted into the interior of the plank, which can prevent The self-rotation of the bolt plays the role of strengthening the fixation of the bolt, which solves the problem in the prior art that most of the bolts are straight-through bolts and are easy to loosen.

Description

A convenient fastening and removal of bolts

technical field

The utility model relates to the technical field of bolts, in particular to a bolt which is convenient for fastening and dismounting.

Background technique

Bolts are mechanical parts, cylindrical threaded fasteners equipped with nuts. With the increase in the application range of bolts, the requirements for bolt functions are also increasing. In the existing technology, most bolts are straight-through bolts. It is easy to loosen, and when you forget to bring tools, it is troublesome to install and disassemble.

For this reason, we propose a kind of convenient fastening and dismantling bolt, give solution.

Utility model content

The purpose of this utility model is to solve at least one of said technical defects.

For this reason, an object of the present utility model is to propose a method for fastening and dismounting bolts, so as to solve the problems mentioned in the background technology and overcome the deficiencies in the prior art.

In order to achieve the above purpose, an embodiment of the present utility model provides a bolt that is convenient for fastening and dismounting. The bottom of the slot is provided with two long slots, the bottom of the slot is provided with a first fixing hole, the bottom of the top cap is fixedly connected with a screw, and the inside of the screw is provided with a mounting hole, The bottom of the mounting hole is provided with a second fixing hole, and both sides of the screw rod are provided with a connecting hole, the inside of the screw rod is provided with a screw rod, and the outer surface of the screw rod is rotatably connected to the first fixing hole The inside of the installation hole is provided with a slider, the inner thread of the slider is connected to the outer surface of the screw rod, the two sides of the slider are fixedly connected with the first connecting piece, and the two second A first positioning hole is opened on one side of a connecting piece, and two movable blocks are arranged inside the installation hole, and a second connecting piece is fixedly connected to one side of the two moving blocks, and the two moving blocks are fixedly connected to each other. One side of the second connector is provided with a second positioning hole, one side of the two movable blocks is fixedly connected with a self-locking block, and two movable rods are arranged inside the mounting holes, two Both sides of the movable rod are provided with two third positioning holes, and a rotating shaft is fixedly connected to the inside of several of the third positioning holes, wherein the outer surfaces of the two rotating shafts are connected to the first positioning hole in rotation The outer surfaces of the two rotating shafts are rotatably connected to the inside of the second positioning hole, and the outer surfaces of the two movable blocks are respectively slidably connected to the inside of the corresponding connecting holes.

The technical effect achieved by adopting the above scheme is that the utility model has the effect of not being easy to loosen, and avoids the problem of easy loosening in the prior art where most bolts are straight-through bolts.

The technical effect achieved by adopting the above scheme is: the utility model has the effect of being easy to install and disassemble and not easy to loosen, and avoids that the bolts are eroded by the wind and the sun with the passage of time, which will cause self-corrosion, and cause the bolts to be unsmooth when disassembled. It is convenient, and when you forget to bring tools, installation and disassembly are more troublesome.

Preferably, from any of the above solutions, the inside of the installation hole communicates with the inside of the first fixing hole.

Preferably, from any of the above solutions, the outer surface of the screw rod is rotatably connected to the inside of the second fixing hole.

Preferably, from any of the above solutions, a handle is fixedly connected to the top of the screw rod.

Preferably, from any of the above solutions, the two movable blocks are arranged symmetrically.

According to any of the solutions above, preferably, the shape and size of the two second connecting parts are the same as those of the first connecting part.

Preferably, from any of the above solutions, the two movable rods have the same shape and size, and the two movable rods are arranged symmetrically.

Compared with the prior art, the utility model has the advantages and beneficial effects as follows:

1. It is convenient to fasten and disassemble the bolt through the two movable rods. When installing the screw rod, it can be stuck on the outside of the top cap with a wrench and rotated to install it, or it can be aligned with the long The inside of the slot hole, and then the top cap can be driven to rotate by turning the pliers, so that the screw can also be installed. After the screw is installed, turn the handle, and the rotation of the handle will drive the screw to rotate. Through the set slider, because the slider and the screw The outer surface of the threaded connection, and then the rotation of the screw rod drives the slider to move inside the installation hole. Through the set movable rod, because the movable rod is connected with the slider and the movable block in rotation, and then the slider moves to drive the movable rod to move, and then brought to the The movable block slides back and forth inside the connecting hole. When the two movable blocks move outward, through the set self-locking block, when the device is used for the connection of wooden boards, the self-locking block will move to one side of the wooden board, and then insert Into the inside of the board, it can prevent the bolts from rotating, and play a role in strengthening the fixing of the bolts, so as to achieve the effect of fastening installation, and solve the problem in the existing technology that most bolts are straight-through bolts, which are easy to loosen.

2. The bolts that are easy to fasten and disassemble pass through the long slot holes, and the screw can be fastened or disassembled by aligning the mouth of the pliers with the long slot holes. When there are no special tools around, you can use the through hole The iron rod and other long strip workpieces are inserted inside to facilitate the rotation of the top cap, so as to facilitate the fastening or disassembly of the bolts, which solves the troublesome problem of installation and disassembly when forgetting to bring tools.

Additional aspects and advantages of the present invention will be set forth in part in the description which follows, and part will be apparent from the description which follows, or can be learned by practice of the present invention.

Description of drawings

The above and/or additional aspects and advantages of the present utility model will become apparent and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is the sectional structure schematic diagram of the utility model;

Fig. 3 is the top view structural representation of the utility model;

Fig. 4 is a schematic diagram of the explosion structure of the utility model;

Fig. 5 is a schematic diagram of an enlarged structure at A in Fig. 4 of the present invention.

In the figure: 1-top cap, 101-insert hole, 102-long slot hole, 2-screw, 201-connecting hole, 3-screw rod, 301-handle, 4-slider, 401-first connecting piece, 5-movable block, 501-the second connector, 502-self-locking block, 6-movable bar.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention, but should not be construed as limiting the present invention.

In this utility model, unless otherwise specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

As shown in Figures 1 to 5, a bolt that is convenient for fastening and dismounting includes a top cap 1, and a number of insertion holes 101 are opened on the side of the top cap 1, through the insertion holes 101 provided, and when there is no When using a tool, you can insert a strip-shaped workpiece such as an iron rod into the insertion hole 101, and then turn the top cap 1, so that the bolt can be tightened conveniently, which solves the problem of troublesome installation and disassembly when you forget to bring the tool. problem, the top cap 1 is provided with a slot hole, and the bottom of the slot hole is provided with two long slot holes 102. Through the provided long slot holes 102, the screw rod 2 can be aligned with the long slot holes 102 by the mouth of the pliers. For fastening or disassembly, the bottom of the slot hole is provided with a first fixing hole, and the bottom of the top cap 1 is fixedly connected with the screw 2. When the screw 2 is installed, it can be stuck on the outside of the top cap 1 with a wrench to rotate it To install, the mouth of the pliers can also be aligned with the inside of the slotted hole 102, and then the top cap 1 can be driven to rotate by rotating the pliers, so that the screw 2 can also be installed. The inside of the screw 2 is provided with a mounting hole, and the mounting hole The bottom is provided with a second fixing hole, both sides of the screw rod 2 are provided with a connecting hole 201, the inside of the screw rod 2 is provided with a screw mandrel 3, the outer surface of the screw mandrel 3 is connected to the inside of the first fixing hole in rotation, the mounting hole A slider 4 is arranged inside, and through the slider 4 provided, because the slider 4 is threadedly connected with the outer surface of the screw rod 3, and then the rotation of the screw rod 3 drives the slider 4 to move inside the mounting hole, and the internal thread of the slider 4 Connected to the outer surface of the screw rod 3, both sides of the slider 4 are fixedly connected with a first connecting piece 401, and one side of the two first connecting pieces 401 is provided with a first positioning hole, and the inside of the mounting hole is provided with a Two movable blocks 5, one side of the two movable blocks 5 are fixedly connected with a second connecting piece 501, one side of the two second connecting pieces 501 is provided with a second positioning hole, the two movable blocks 5 One side is fixedly connected with a self-locking block 502, through the self-locking block 502, the self-locking block 502 will be squeezed outwards, and then inserted into the interior of the ground next to it, so it plays a role in fixing the bolt to achieve tightness. The function of fixed installation solves the problem that in the existing technology, most of the bolts are straight-through bolts, which are easy to loosen. Two movable rods 6 are arranged inside the mounting hole. Through the movable rod 6 provided, because the movable rod 6 and the The slider 4 and the movable block 5 are rotated and connected, and then the movement of the slider 4 drives the movable rod 6 to move, and then the movable block 5 is brought to slide back and forth inside the connection hole 201. Both sides of the two movable rods 6 are provided with two second Three positioning holes, the interior of several third positioning holes is fixedly connected with a rotating shaft, wherein the outer surfaces of the two rotating shafts are rotatably connected to the inside of the first positioning hole, and the outer surfaces of the two rotating shafts are rotatably connected to the second positioning hole The outer surfaces of the two movable blocks 5 are respectively slidably connected to the insides of the corresponding connecting holes 201 .

The interior of the mounting hole communicates with the interior of the first fixing hole.

The outer surface of the screw rod 3 is rotatably connected to the inside of the second fixing hole.

The top of the screw mandrel 3 is fixedly connected with a handle 301, and when the handle 301 is rotated, the rotation of the handle 301 drives the screw mandrel 3 to rotate.

The two movable blocks 5 are arranged symmetrically.

The shape and size of the two second connecting pieces 501 are the same as those of the first connecting piece 401 .

The shape and size of the two movable rods 6 are all the same, and the two movable rods 6 are arranged symmetrically.

A convenient fastening and removal of bolts, the working principle is as follows:

1. When installing the screw 2, you can use a wrench to clamp it on the outside of the top cap 1 and rotate it, or you can align the mouth of the pliers with the inside of the slotted hole 102, and then turn the pliers to drive the top cap. The cap 1 rotates, so that the screw rod 2 can also be installed. After the screw rod 2 is installed, the handle 301 is turned, and the rotation of the handle 301 drives the screw rod 3 to rotate. Through the set slider 4, because the slider 4 and the outer surface of the screw rod 3 Threaded connection, and then the screw mandrel 3 rotates to drive the slider 4 to move inside the mounting hole, through the movable rod 6 provided, because the movable rod 6 is connected with the slider 4 and the movable block 5 in rotation, and then the slider 4 moves to drive the movable rod 6 Move, and then take the movable block 5 to slide back and forth in the inside of the connecting hole 201, when the two movable blocks 5 moved outward, through the self-locking block 502 provided, when the device was used for the connection of planks, the self-locking block 502 It will move to one side of the board, and then inserted into the inside of the board, which can prevent the bolt from rotating and play a role in strengthening the fixation of the bolt;

2. Through the provided slotted hole 102, the screw rod 2 can be fastened or disassembled by aligning the mouth of the pliers with the slotted hole 102. When there is no special tool around, the iron rod can be inserted into the insertion hole 101. Elongated strip-shaped workpieces facilitate the rotation of the top cap 1, thereby facilitating fastening or dismounting of the bolts.

Compared with the prior art, the utility model has the following beneficial effects relative to the prior art:

1. It is convenient to fasten and disassemble the bolts. Through the two movable rods 6 provided, when installing the screw rod 2, it can be stuck on the outside of the top cap 1 by a wrench, and it can be rotated and installed, or it can be fixed by the mouth of the pliers. Inside the quasi-long slot 102, then the top cap 1 can be driven to rotate by turning the pliers, so that the screw 2 can also be installed. After the screw 2 is installed, turn the handle 301, and the rotation of the handle 301 will drive the screw 3 to rotate. Slide block 4, because slide block 4 is threadedly connected with the outer surface of screw mandrel 3, and then screw mandrel 3 rotates and drives slide block 4 to move in the inside of installation hole, through the movable rod 6 that is set, because movable rod 6 and slide block 4, The movable block 5 is rotated and connected, and then the movement of the slider 4 drives the movable rod 6 to move, and then the movable block 5 is brought to slide back and forth inside the connecting hole 201. When the two movable blocks 5 move outward, the self-locking block 502 provided , when the device is used for the connection of wooden boards, the self-locking block 502 will move to one side of the wooden board, and then inserted into the inside of the wooden board, which can prevent the bolts from rotating and play a role in strengthening the fixing of the bolts, so as to achieve the effect of fastening installation. It solves the problem that in the prior art, most bolts are straight-through bolts and are easy to loosen.

2. The screw 2 can be fastened or disassembled by aligning the mouth of the pliers with the slotted hole 102 through the long slotted hole 102 provided for fastening and dismounting the bolt. The insertion hole 101 is inserted into a long strip workpiece such as an iron rod, which facilitates the rotation of the top cap 1, thereby facilitating fastening or dismounting of the bolts, and solves the troublesome problem of installation and disassembly when tools are forgotten.

In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structures, materials or features are included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

It is not difficult for those skilled in the art to understand that the utility model includes any combination of the utility model content and the specific embodiment part of the above specification and the parts shown in the accompanying drawings, and these combinations are not formed due to space limitations and to make the specification concise. Each scheme is described one by one. All modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be construed as limitations of the present invention. The above-mentioned embodiments can be changed, modified, replaced and modified within the scope of the present utility model under the principle and purpose. The scope of the invention is defined by the appended claims and their equivalents.

Claims (7)

1. A bolt that is convenient for fastening and dismounting is characterized in that: it comprises a top cap (1), the side of the top cap (1) is provided with several insertion holes (101), and the top cap (1) The inside is provided with a slot, the bottom of the slot is provided with two long slots (102), the bottom of the slot is provided with a first fixing hole, and the bottom of the top cap (1) is fixedly connected with a screw ( 2), the inside of the screw (2) is provided with a mounting hole, the bottom of the mounting hole is provided with a second fixing hole, and both sides of the screw (2) are provided with a connecting hole (201), the The inside of the screw (2) is provided with a screw rod (3), the outer surface of the screw rod (3) is rotatably connected to the inside of the first fixing hole, and the inside of the mounting hole is provided with a slide block (4). The inner thread of the slide block (4) is connected to the outer surface of the screw mandrel (3), and both sides of the slide block (4) are fixedly connected with first connectors (401), and the two first connectors ( 401) is provided with a first positioning hole on one side, and two movable blocks (5) are arranged inside the installation hole, and one side of the two movable blocks (5) is fixedly connected with a second connecting hole. part (501), one side of the two second connecting parts (501) is provided with a second positioning hole, and one side of the two movable blocks (5) is fixedly connected with a self-locking block (502 ), the inside of the mounting hole is provided with two movable rods (6), the two sides of the two movable rods (6) are provided with two third positioning holes, and the inside of several of the third positioning holes Both are fixedly connected with a rotating shaft, wherein the outer surfaces of the two rotating shafts are rotatably connected to the inside of the first positioning hole, wherein the outer surfaces of the two rotating shafts are rotatably connected to the inside of the second positioning hole, and the two movable The outer surfaces of the blocks (5) are respectively slidably connected to the insides of the corresponding connecting holes (201). 2. The fastening and dismounting bolt according to claim 1, characterized in that: the interior of the mounting hole communicates with the interior of the first fixing hole. 3. The convenient fastening and dismounting bolt according to claim 2, characterized in that: the outer surface of the screw rod (3) is rotatably connected to the inside of the second fixing hole. 4. The convenient fastening and dismounting bolt according to claim 3, characterized in that: a handle (301) is fixedly connected to the top of the screw rod (3). 5. The convenient fastening and dismounting bolt according to claim 4, characterized in that: the two movable blocks (5) are arranged symmetrically. 6. A convenient fastening and dismounting bolt according to claim 5, characterized in that: the shape and size of the two second connecting parts (501) are the same as the shape and size of the first connecting part (401). same. 7. A convenient fastening and dismounting bolt according to claim 6, characterized in that: the shape and size of the two movable rods (6) are the same, and the two movable rods (6) are arranged symmetrically .

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