Foot-pad bolt

Abstract

The invention relates to the field of bolts, and discloses a foot-pad bolt which comprises a screw rod, threads are arranged on the outer side of the screw rod, a third cross groove is formed in the outer surface of the lower end of the screw rod, a convex column is arranged on the outer surface of the upper end of the screw rod, a second cross groove is formed in the outer surface of the upper end of the convex column, and a gasket is arranged on the outer side of the convex column. An inner groove is formed in the outer surface of the upper end of the gasket, and a through hole is formed in the outer side, close to the convex column, of the middle of the gasket. According to the foot-pad bolt, when one end of the stud is subjected to cold heading, a cross-shaped groove or an inner hexagonal groove is formed, a corresponding groove is punched in the other end of the stud in a machining mode, the depth and size of the groove are determined by bolts of different specifications, then the cross-shaped groove or the inner hexagonal groove is punched while the stud is riveted with a gasket, the height of the upper end and the height of the lower end of the bolt can be conveniently adjusted at the same time, and use is convenient.

Description

Technical Field

[0001] The invention relates to the technical field of bolts, in particular to a foot bolt. Background Art

[0002] With the development of science and technology, foot bolts are widely used. Foot bolts are devices used to support and fix seat cabinets.

[0003] However, the existing foot bolts still have certain disadvantages when used. The foot bolts currently available on the market can be used to adjust tool cabinets or tables, etc., only one end of the foot bolt can be adjusted with a wrench or a screwdriver, and the other end is combined with a trumpet-shaped washer. The trumpet-shaped washer is generally used in contact with the ground. There is no cross groove on the upper end of the riveted connection between the stud and the washer, which is inconvenient to use. For this reason, we propose a foot bolt. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the present invention provides a foot bolt, wherein a cross groove or a hexagonal inner groove is formed at one end of the stud during cold forging, and a corresponding groove is punched at the other end by machining, the groove depth of which can be determined according to bolts of different specifications, and then the cross groove or the hexagonal inner groove is punched out at the same time as riveting with the washer.

[0006] (II) Technical solution

[0007] To achieve the above, a cross groove or a hexagonal groove is formed on one end of the stud during cold forging, and a corresponding groove is punched on the other end by machining. The groove depth can be determined according to bolts of different specifications. Then, when riveting with the washer, a cross groove or a hexagonal groove is punched out at the same time to facilitate the use of the bolt.

[0008] The present invention provides the following technical solution: a foot bolt, comprising a screw rod, characterized in that: a thread is arranged on the outer side of the screw rod, a No. 3 cross groove is arranged on the outer surface of the lower end of the screw rod, a convex column is arranged on the outer surface of the upper end of the screw rod, and a No. 2 cross groove is arranged on the outer surface of the upper end of the convex column;

[0009] During operation, the screw is placed on the upper end of the seat where the height adjustment is required, so that the upper and lower ends of the screw can be adjusted using a screwdriver and a wrench at the same time, and one end can also be adjusted; if the product needs to be adjusted in height after installation, the end that is easier to adjust can be adjusted.

[0010] Preferably, the screw is a cylindrical structure.

[0011] Preferably, threads are engraved on the outer surface of the screw, and the threads and the screw are both made of 22A.

[0012] Preferably, the cross-sectional area of ​​the No. 3 cross groove is smaller than the cross-sectional area of ​​the screw, and the No. 3 cross groove is a cross-concave structure.

[0013] Preferably, the convex column is a convex cylindrical structure.

[0014] Preferably, the diameter of the convex column is smaller than the diameter of the screw.

[0015] Preferably, the No. 2 cross groove is a cross structure, the cross-sectional area of ​​the No. 2 cross groove is smaller than the cross-sectional area of ​​the convex column, and the cross-sectional area of ​​the No. 3 cross groove is larger than the cross-sectional area of ​​the No. 2 cross groove.

[0016] Preferably, a gasket is movably connected to the outer side of the convex column, and its material is SPHC.

[0017] Preferably, the gasket is a circular trumpet-shaped structure.

[0018] Preferably, an inner groove is embedded in the outer surface of the upper end of the gasket, and the inner groove is a conical structure. A through hole is penetrated through the middle of the gasket near the lower end of the inner groove, and the through hole is a cylindrical structure. The through hole matches the convex column, and the upper end diameter of the convex column is larger than the diameter of the through hole.

[0019] (III) Beneficial effects

[0020] Compared with the prior art, the present invention provides a foot bolt, which has the following beneficial effects:

[0021] When the foot bolt is used to be installed on products such as tool cabinets or tables, the upper and lower ends of the screw can be adjusted using a screwdriver and a wrench at the same time, or one end can be used for adjustment. If the height of the installed product needs to be adjusted, the upper and lower ends can be adjusted, and one end that is easy to adjust is mainly convenient to install. Compared with the foot bolts on the market, it has one more function, which is convenient for two people to use tools at the same time, greatly improving the assembly speed and having better practical performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0023] Figure 1 It is a side sectional view of the overall structure of the present invention;

[0024] Figure 2 It is a top view of the structure of the present invention.

[0025] In the figure: 1, screw; 2, thread; 3, No. 3 cross groove; 4, convex column; 5, No. 2 cross groove; 6, washer; 7, inner groove; 8, through hole. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-2 , a foot bolt comprises a screw rod 1, a thread 2 is arranged on the outer side of the screw rod 1, a No. 3 cross groove 3 is arranged on the outer surface of the lower end of the screw rod 1, a convex column 4 is arranged on the outer surface of the upper end of the screw rod 1, a No. 2 cross groove 5 is arranged on the outer surface of the upper end of the convex column 4, a washer 6 is arranged on the outer side of the convex column 4, an inner groove 7 is arranged on the outer surface of the upper end of the washer 6, and a through hole 8 is arranged in the middle part of the washer 6 near the outer side of the convex column 4.

[0028] A thread 2 is engraved on the outer surface of the screw 1, and the material of the thread 2 and the screw 1 are both 22A, and the screw 1 is a cylindrical structure. A No. 3 cross groove 3 is embedded in the outer surface of the lower end of the screw 1. The cross-sectional area of ​​the No. 3 cross groove 3 is smaller than the cross-sectional area of ​​the screw 1, and the No. 3 cross groove 3 is a cross-concave structure, which is conducive to the placement of the No. 3 cross groove 3.

[0029] A convex column 4 is fixedly connected to the outer surface of the upper end of the screw 1, and the diameter of the convex column 4 is smaller than the diameter of the screw 1. The convex column 4 is a convex cylindrical structure. A No. 2 cross groove 5 is embedded in the outer surface of the upper end of the convex column 4, and the No. 2 cross groove 5 is a cross structure. The cross-sectional area of ​​the No. 2 cross groove 5 is smaller than the cross-sectional area of ​​the convex column 4, and the cross-sectional area of ​​the No. 3 cross groove 3 is larger than the cross-sectional area of ​​the No. 2 cross groove 5, which is conducive to the placement of the convex column 4 and the No. 2 cross groove 5.

[0030] The outer side of the convex column 4 is movably connected with a gasket 6 , and the gasket 6 is a circular ring structure, the gasket 6 is a trumpet shape, and the gasket 6 is made of SPHC material, which is conducive to the production and use of the gasket 6 .

[0031] An inner groove 7 is embedded in the outer surface of the upper end of the gasket 6, and the inner groove 7 is a conical structure. A through hole 8 is penetrated in the middle of the gasket 6 near the lower end of the inner groove 7, and the through hole 8 is a cylindrical structure. The through hole 8 matches the convex column 4, and the upper end diameter of the convex column 4 is larger than the diameter of the through hole 8, which is conducive to the connection and use of the gasket 6 and the convex column 4.

[0032] During work, the user places the screw rod 1 on the upper end of the seat where the height adjustment is required, so that the upper and lower ends of the screw rod 1 can be adjusted using a screwdriver and a wrench at the same time, or one end can be used for adjustment. If the product needs to be adjusted in height after installation, the user can adjust the upper and lower ends of the screw rod 1, one end that is easy to adjust, so that the screw rod 1 rotates along the through hole 8 to adjust the height. The main feature is that the installation is more convenient, and it has one more function than the foot bolts on the market.

[0033] To sum up, when the foot bolt is used and installed on products such as tool cabinets or tables, the upper and lower ends of the screw rod 1 can be adjusted using a screwdriver and a wrench at the same time, or one end can be used for adjustment. If the height of the product needs to be adjusted after installation, the upper and lower ends can be adjusted, and one end that is easy to adjust is mainly convenient to install. Compared with the foot bolts on the market, it has one more function, which is convenient for two people to use tools at the same time, the assembly speed is greatly improved, and the practical performance is better.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A foot bolt, comprising a screw rod (1), characterized in that: The outer side of the screw rod (1) is provided with a thread (2), the outer surface of the lower end of the screw rod (1) is provided with a No. 3 cross groove (3), the outer surface of the upper end of the screw rod (1) is provided with a convex column (4), and the outer surface of the upper end of the convex column (4) is provided with a No. 2 cross groove (5); During operation, the screw rod (1) is placed on the upper end of the seat that needs to be installed and adjusted in height, so that the upper and lower ends of the screw rod (1) can be adjusted using a screwdriver and a wrench at the same time, and one end can also be adjusted; if the height of the product needs to be adjusted after installation, the end that is convenient for adjustment can be adjusted.

2. The foot bolt according to claim 1, characterized in that: The screw (1) is a cylindrical structure.

3. The foot bolt according to claim 1, characterized in that: The outer surface of the screw rod (1) is engraved with threads (2), and the threads (2) and the screw rod (1) are both made of 22A material.

4. The stepping bolt according to claim 1, characterized in that: The cross-sectional area of ​​the No. 3 cross groove (3) is smaller than the cross-sectional area of ​​the screw (1), and the No. 3 cross groove (3) is a cross-shaped concave structure.

5. The stepping bolt according to claim 1, characterized in that: The convex column (4) is a convex cylindrical structure.

6. The stepping bolt according to claim 1, characterized in that: The diameter of the convex column (4) is smaller than the diameter of the screw (1).

7. The spacer bolt according to claim 1, characterized in that: The No. 2 cross groove (5) is a cross structure, the cross-sectional area of ​​the No. 2 cross groove (5) is smaller than the cross-sectional area of ​​the convex column (4), and the cross-sectional area of ​​the No. 3 cross groove (3) is larger than the cross-sectional area of ​​the No. 2 cross groove (5).

8. The stepping bolt according to claim 1, characterized in that: The outer side of the convex column (4) is movably connected with a gasket (6), which is made of SPHC.

9. The stepping bolt according to claim 8, characterized in that: The gasket (6) is a circular trumpet-shaped structure.

10. The stepping bolt according to claim 1, characterized in that: An inner groove (7) is embedded in the outer surface of the upper end of the gasket (6), and the inner groove (7) is a conical structure. A through hole (8) is penetrated in the middle of the gasket (6) near the lower end of the inner groove (7), and the through hole (8) is a cylindrical structure. The through hole (8) matches the convex column (4), and the upper end diameter of the convex column (4) is larger than the diameter of the through hole (8).

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