Special-shaped cold heading part easy to install

Abstract

The utility model belongs to the technical field of cold heading parts, and particularly relates to an easily-installed special-shaped cold heading part which comprises a stud, a threaded groove is formed in the outer side of the lower side of the stud, a column head is arranged at the upper end of the stud, an inserting groove is formed in the center of the upper end of the column head, and the inserting groove penetrates through the column head to the inner side of the stud. Clamping grooves are symmetrically formed in the two sides of the inserting groove. When the device needs to be installed, tools do not need to be carried, the sleeve head is opened, the inner inserting rod is pulled out of the inserting groove, the clamping head is pulled to the position, where the top end of the clamping groove enters the side notch, of the clamping groove, the inner inserting rod is rotated towards one side of the side notch, the inner inserting rod is clamped into the side notch, and then the device can be installed and fixed by shifting the inner inserting rod; the inner inserting rod is pushed to the inner side of the inserting groove again, the sleeve head is screwed, convenience and rapidness are achieved, and the installation convenience of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of cold heading parts, and in particular relates to a special-shaped cold heading part which is easy to install. Background Art

[0002] The cold heading process is generally suitable for producing standard fasteners such as bolts, screws, nuts, rivets, and pins, while special-shaped cold heading parts refer to fasteners with non-standard shapes made using the cold heading process. Most cold heading parts are different from the installation and fixing tools used for traditional standard cold heading parts. During the installation process, once the tools are damaged, they cannot be replaced by general tools. The limitations are high, which brings great inconvenience to the installation of special-shaped cold heading parts. Utility Model Content

[0003] In view of the above problems, the purpose of the utility model is to provide an easy-to-install special-shaped cold-headed part, which solves the problem that the cold heading process is generally suitable for producing standard fasteners such as bolts, screws, nuts, rivets, pins, etc., while special-shaped cold-headed parts refer to fasteners with non-standard shapes made by cold heading process. Most cold-headed parts use installation and fixing tools different from traditional standard cold-headed parts. During the installation process, once the tool is damaged, it cannot be replaced by a general tool, which has high limitations and brings great inconvenience to the installation of special-shaped cold-headed parts.

[0004] To achieve the above purpose, the utility model adopts the following technical solution: an easy-to-install special-shaped cold heading part, including a stud, a threaded groove is provided on the outer side of the lower side of the stud, a column head is provided on the upper end of the stud, a plug-in groove is provided in the center of the upper end of the column head, the plug-in groove passes through the column head to the inner side of the stud, the stud and the column head are plugged into an inner rod through the plug-in groove, clamping grooves are symmetrically provided on both sides of the plug-in groove, the upper end of the clamping groove does not exceed the upper side surface of the column head, a side notch is provided on one side of the column head, the side notch passes through the inner side of the plug-in groove, clamping heads are symmetrically provided on both sides of the inner rod, and the clamping heads are slidably engaged with the clamping grooves.

[0005] The beneficial effects of the utility model are as follows: when the device needs to be installed, no tools are needed, the sleeve is opened, the inner rod is pulled out from the plug-in slot, the clamping head is pulled to the position where the top of the clamping slot enters the side slot, the inner rod is rotated to one side of the side slot, the inner rod is clamped into the side slot, and then the inner rod can be moved to install and fix the device. When the installation is completed, the inner rod is pushed back to the inside of the plug-in slot and the sleeve is screwed on. It is convenient and quick, which increases the convenience of installation of the device.

[0006] In order to facilitate the replacement and removal of the inner rod;

[0007] As a further improvement of the above technical solution: the upper side of the stud is threadedly connected to the column head, and the side notch penetrates into the inner side of the plug-in slot of the column head.

[0008] The beneficial effects of this improvement are as follows: The connection between the stud and the stud head is changed from threaded connection to an assembled type. Compared with the integrated setting, it is convenient to replace the stud and the stud head separately, and it is also convenient to replace and disassemble the inner insertion rod.

[0009] For protecting the upper side of the stud head;

[0010] As a further improvement of the above technical solution: A retaining ring is arranged on the outer side of the stud head below the side notch. A socket is threadedly connected to the outer side of the upper side of the stud head, and the socket is pressed against the retaining ring.

[0011] The beneficial effects of this improvement are as follows: The socket is provided to protect the upper side of the stud head and prevent the inner insertion rod from being directly exposed on the outside.

[0012] For increasing the static friction between the stud head and the object in contact with its lower side;

[0013] As a further improvement of the above technical solution: The lower side surface of the stud head is a rough reticulated groove surface.

[0014] The beneficial effects of this improvement are as follows: When installing this device, the static friction between the stud head and the object in contact with its lower side is increased.

[0015] For having better corrosion resistance;

[0016] As a further improvement of the above technical solution: The socket is made of corrosion-resistant alloy material.

[0017] The beneficial effects of this improvement are as follows: The socket on the outermost side needs to have better corrosion resistance and can provide a stable protection effect for a long time.

[0018] For the stud head to be more tightly fastened relative to the stud when the stud is tightened;

[0019] As a further improvement of the above technical solution: The thread tightening direction of the stud and the stud head is opposite to the spiral direction of the thread groove of the stud.

[0020] The beneficial effects of this improvement are as follows: When the stud is tightened through the inner insertion rod, due to the influence of the reverse friction force, the lower side of the stud head and the object in contact are affected, and the stud head will be more tightly fastened relative to the stud, avoiding the same direction setting. When the stud is tightened, due to the influence of the friction force, the stud head may become loose relative to the stud.

[0021] The parts not involved in this device are the same as the prior art or can be implemented by using the prior art. Brief Description of the Drawings

[0022] Figure 1 It is a structural schematic diagram of the present utility model;

[0023] Figure 2Schematic structural diagram of the stud in the present utility model;

[0024] Figure 3 Schematic structural diagram of the stud head in the present utility model;

[0025] Figure 4 Schematic structural diagram of the inner insertion rod in the present utility model;

[0026] In the figure: 1, stud; 2, stud head; 3, insertion slot; 4, clamping slot; 5, connection slot; 6, side slot opening; 7, retaining ring; 8, inner insertion rod; 9, clamping head; 10, socket head. Detailed implementation manners

[0027] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be described in detail below with reference to the accompanying drawings. The description of this part is only exemplary and explanatory, and should not have any restrictive effect on the protection scope of the present invention.

[0028] Such as Figure 1—4 shows: an easy-to-install special-shaped cold heading part, including a stud 1, a threaded groove is provided on the outer side of the lower side of the stud 1, a column head 2 is provided on the upper end of the stud 1, a plug-in groove 3 is provided at the center of the upper end of the column head 2, the plug-in groove 3 penetrates the column head 2 to the inner side of the stud 1, the stud 1 and the column head 2 are plugged into an inner rod 8 through the plug-in groove 3, the two sides of the plug-in groove 3 are symmetrically provided with a snap-in groove 4, the upper end of the snap-in groove 4 does not exceed the upper side of the column head 2, a side notch 6 is provided on one side of the column head 2, the side notch 6 penetrates to the inner side of the plug-in groove 3, and the two sides of the inner rod 8 are plugged into the inner side of the plug-in groove 3. A clamping head 9 is symmetrically arranged on the side, and the clamping head 9 is slidably clamped with the clamping slot 4. When the device needs to be installed, no tools are needed. The sleeve 10 is opened, the inner rod 8 is pulled out from the insertion slot 3, and the clamping head 9 is pulled to the position where the top of the clamping slot 4 enters the side notch 6, and the inner rod 8 is rotated to one side of the side notch 6 to clamp the inner rod 8 into the side notch 6. Then, the inner rod 8 can be installed and fixed to the device by toggling it. When the installation is completed, the inner rod 8 is pushed to the inside of the insertion slot 3 again, and the sleeve 10 is screwed on. It is convenient and quick, which increases the convenience of installation of the device. The upper side of the stud 1 is screwed with the column head 2 The stud 1 and the stud 2 are connected by a threaded connection, and the side notch 6 passes through the inner side of the insertion groove 3 of the column head 2. The stud 1 and the column head 2 are transformed into an assembled type by a threaded connection. Compared with the integrated setting, it is convenient to replace the stud 1 and the column head 2 separately, and it is convenient to replace and disassemble the inner plug rod 8. The outer side of the column head 2 is provided with a retaining ring 7 on the lower side of the side notch 6, and the upper side of the column head 2 is provided with a sleeve 10 in a threaded connection. The sleeve 10 is crimped with the retaining ring 7, and the sleeve 10 is provided to protect the upper side of the column head 2 to prevent the inner plug rod 8 from being directly exposed to the outside. The lower side of the column head 2 is a rough mesh. Groove surface, when installing this device, the static friction between the column head 2 and the lower contact object is increased. The sleeve 10 is made of corrosion-resistant alloy material. The sleeve 10 needs to have better corrosion resistance at the outermost side to provide stable protection effect for a long time. The threaded tightening direction of the stud 1 and the column head 2 is opposite to the spiral direction of the thread groove of the stud 1. When the stud 1 is tightened by the inner rod 8, the lower side of the column head 2 and the contact object are affected by the reverse friction force, and the column head 2 will be tighter than the stud 1 to avoid the same direction setting. When the stud 1 is tightened, it is affected by the friction force, causing the column head 2 to loosen relative to the stud 1.

[0029] The working principle and use process of this utility model:

[0030] In use, when installing this device, no tools are required. Open the socket head 10, pull out the inner insertion rod 8 from the insertion slot 3, pull the chuck 9 to the top of the clamping slot 4 until it enters the position of the side slot 6, rotate the inner insertion rod 8 towards one side of the side slot 6, and snap the inner insertion rod 8 into the side slot 6. Then, by toggling the inner insertion rod 8, the device can be installed and fixed. When the installation is completed, push the inner insertion rod 8 back into the inner side of the insertion slot 3 and screw on the socket head 10. This is convenient and fast, increasing the convenience of installing this device. In addition, in use, the upper side of the stud 1 is threadedly connected to the stud head 2, and the side slot 6 runs through to the inner side of the insertion slot 3 of the stud head 2. The threaded connection between the stud 1 and the stud head 2 is transformed into an assembled type. Compared with an integrated setting, it is convenient to separately replace the stud 1 and the stud head 2 and to replace and disassemble the inner insertion rod 8. In addition, in use, a retaining ring 7 is provided on the outer side of the stud head 2 below the side slot 6, and a socket head 10 is threadedly connected to the outer side of the upper side of the stud head 2. The socket head 10 is pressed against the retaining ring 7. The socket head 10 is provided to protect the upper side of the stud head 2 and prevent the inner insertion rod 8 from being directly exposed outside. In addition, in use, the lower side surface of the stud head 2 is a rough reticulated groove surface, which increases the static friction between the stud head 2 and the object in contact with the lower side when installing this device. In addition, in use, the socket head 10 is made of corrosion-resistant alloy material, and the socket head 10 needs to have better corrosion resistance on the outermost side and can provide a stable protection effect for a long time. In addition, in use, the threaded tightening direction of the stud 1 and the stud head 2 is opposite to the spiral direction of the thread groove of the stud 1. When tightening the stud 1 through the inner insertion rod 8, due to the reverse frictional force, the lower side of the stud head 2 and the object in contact are affected, and the stud head 2 will be more tightly fixed relative to the stud 1, avoiding the same-direction setting. When tightening the stud 1, due to the frictional force, the stud head 2 may become loose relative to the stud 1.

[0031] It should be noted that in this article, the term "including", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0032] Specific examples are used in this article to elaborate on the principles and implementation methods of the present invention. The description of the above examples is only used to help understand the method of the present invention and its core idea. The above is only the preferred implementation mode of the present invention. It should be pointed out that due to the limited nature of written expression, objectively there are infinite specific structures. For those of ordinary skill in the art in this technical field, without departing from the principle of the present invention, several improvements, refinements or changes can be made, or the above technical features can be combined in an appropriate manner; these improvements, refinements, changes or combinations, or directly applying the concept and technical solution of the invention to other occasions without improvement, should all be regarded as the protection scope of the present invention.

Claims

1. An easy-to-install special-shaped cold heading part, characterized in that: The invention comprises a stud (1), wherein a thread groove is provided on the outer side of the lower side of the stud (1), a column head (2) is provided on the upper end of the stud (1), a plug-in groove (3) is provided at the center of the upper end of the column head (2), the plug-in groove (3) passes through the column head (2) to the inner side of the stud (1), an inner plug-in rod (8) is provided by plugging the stud (1) and the column head (2) through the plug-in groove (3), a clamping groove (4) is symmetrically provided on both sides of the plug-in groove (3), the upper end of the clamping groove (4) does not exceed the upper side surface of the column head (2), a side notch (6) is provided on one side of the column head (2), the side notch (6) passes through the inner side of the plug-in groove (3), and clamping heads (9) are symmetrically provided on both sides of the inner plug-in rod (8), and the clamping heads (9) are slidably clamped with the clamping groove (4).

2. The easy-to-install special-shaped cold heading part according to claim 1, characterized in that: The upper side of the stud (1) is threadedly connected to the column head (2), and the side notch (6) penetrates into the inner side of the insertion groove (3) of the column head (2).

3. The easy-to-install special-shaped cold heading part according to claim 1, characterized in that: A retaining ring (7) is arranged on the outer side of the column head (2) at the lower side of the side notch (6), and a sleeve (10) is threadedly connected to the outer side of the upper side of the column head (2), and the sleeve (10) is crimped with the retaining ring (7).

4. The easy-to-install special-shaped cold heading part according to claim 1, characterized in that: The lower side surface of the column head (2) is a rough reticulated groove surface.

5. The easy-to-install special-shaped cold heading part according to claim 3, characterized in that: The sleeve (10) is made of corrosion-resistant alloy.

6. The easy-to-install special-shaped cold heading part according to claim 1, characterized in that: The threaded fastening direction of the stud (1) and the column head (2) is opposite to the spiral direction of the thread groove of the stud (1).

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