Integrated hole plugging structure

Abstract

An integrated hole blocking structure comprises a base plate, and at least three elastic plugs are sequentially arranged on the front side of the base plate at intervals in the length direction of the base plate. Any plug comprises a cylinder and a cone frustum, one end of the cylinder is connected with the base plate, the other end of the cylinder is coaxially connected with the cone frustum, and the diameter of the cylinder is equal to the diameter of the bottom surface of the cone frustum; the length of the cone frustum of the plug at the leftmost position and the length of the cone frustum of the plug at the rightmost position on the base plate are larger than the length of the cone frustum of any plug at the middle position. Two blind holes which are coaxial with the end cap at the leftmost position and the end cap at the rightmost position respectively are formed in the rear side face of the base plate, the blind holes penetrate through the base plate and the cylinder and extend into the cone frustum, and the blind hole in the cone frustum is in a cone shape. The first plug, the second plug, the third plug and the fourth plug are stressed at the same time, the external force resistance is high, falling is not prone to occurring, corrosion caused by water entering a copper pipe hole is avoided, and the product quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical field especially relates to product processing technology, and particularly to an integrated hole plugging structure. BACKGROUND

[0002] The modular heat conduction device is a component for transferring heat, usually used in electronic devices, industrial machinery or energy systems. In the prior art, the modular heat conduction device adopts a structure of penetrating a copper pipe into an aluminum part. During processing, first, a copper pipe hole is formed on the aluminum part by extrusion, then a copper pipe is installed in the copper pipe hole, and then a mounting hole is processed on the aluminum part by a CNC machining center. In the process of processing the mounting hole, in order to prevent the cooling liquid of the CNC machining center from entering the copper pipe and the copper pipe hole to cause corrosion, a plug needs to be inserted into each copper pipe hole. However, such a single plug has poor resistance to external force and is easy to fall off. SUMMARY

[0003] The utility model discloses a kind of integrated hole plugging structures, and the integrated hole plugging structure solves the technical problems that single plug in prior art has poor resistance to external force and is easy to fall off.

[0004] The utility model discloses an integrated hole plugging structure, including substrate, at least three elastic plugs are sequentially and interval arranged on the front side of substrate along its length direction;

[0005] Any one plug includes a cylinder and a conical table, one end of the cylinder is connected with the substrate, the other end is coaxially connected with the conical table, and the diameter of the cylinder is equal to the diameter of the bottom surface of the conical table.

[0006] The length of the conical table of the leftmost plug on the substrate is greater than the length of the conical table of any one plug in the middle position.

[0007] Two blind holes coaxial with the leftmost plug and the rightmost plug are arranged on the back surface of the substrate, the blind holes extend to the conical table through the substrate and the cylinder, and the blind hole in the conical table is conical.

[0008] A circular hole is arranged at the center of the end surface of any one plug in the middle position, and the circular hole penetrates the conical table and the cylinder.

[0009] Further, the diameter of the cylinder of the rightmost plug is smaller than the diameter of the cylinder of the leftmost plug.

[0010] Further, an avoiding slot is arranged on the upper surface of the substrate.

[0011] The utility model discloses compared with prior art, its effect is positive and obvious. Use long rod to stretch into blind hole, extrude the inner surface of first plug head and second plug head to the front, make first plug head and fourth plug head deform to the front, become more slender, to be more convenient to install into copper pipe hole. Then first plug head, second plug head, third plug head and fourth plug head are installed into the copper pipe hole of aluminium piece, loosen long rod, and first plug head and fourth plug head restore original shape in copper pipe hole, and are fixed in copper pipe hole firmly, and first plug head and fourth plug head are at the both ends of base plate, and the strength is preferably guaranteed. The round hole in second plug head and third plug head can increase the elasticity of second plug head and third plug head, to be more easily into copper pipe hole. First plug head, second plug head, third plug head and fourth plug head are stressed simultaneously, and the performance of resisting external force is stronger, and it is not easy to fall, avoids the corrosion of water in copper pipe hole, and improves product quality. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is first three -dimensional schematic view of one -piece plug hole structure of the utility model.

[0013] Figure 2 It is second three -dimensional schematic view of one -piece plug hole structure of the utility model.

[0014] Figure 3 It is cross section schematic view of one -piece plug hole structure of the utility model.

[0015] Figure 4 It is use state schematic view of one -piece plug hole structure of the utility model. DETAILED DESCRIPTION

[0016] The utility model is further described below in conjunction with embodiment, but the utility model is not limited to this embodiment, and all the similar changes of using the utility model should be included in the protection scope of the utility model. The use of upper, lower, front, rear, left, right, middle, inner, outer and the like directions in the utility model is only for the convenience of clear description, and not for the limitation of the technical scheme of the utility model.

[0017] As Figures 1-4 The utility model discloses one -piece plug hole structure, including base plate 10, the front side of base plate 10 is sequentially spaced apart with the elasticity of first plug head 1, second plug head 2, third plug head 3 and fourth plug head 4 along its length direction;

[0018] First plug head 1, second plug head 2, third plug head 3 and fourth plug head 4 all include a cylinder 5 and a conical platform 6 respectively, one end of cylinder 5 is connected with base plate 10, and the other end is coaxially connected with conical platform 6, and the diameter of cylinder 5 is equal to the bottom diameter of conical platform 6;

[0019] The length of the frustum 6 of the first plug 1 and the length of the frustum 6 of the fourth plug 4 are greater than the length of the frustum 6 of the second plug 2 and the length of the frustum 6 of the third plug 3;

[0020] Two blind holes 7 coaxial with the first plug 1 and the fourth plug 4 are arranged in the back side of the substrate 10, and the blind holes 7 extend through the substrate 7 and the cylinder 5 into the frustum 6, and the blind holes 7 in the frustum 6 are conical;

[0021] A circular hole 8 is arranged in the center of the end face of the second plug 2 and the third plug 3, and the circular hole 8 penetrates the frustum 6 and the cylinder 5.

[0022] Further, the diameter of the cylinder 5 of the fourth plug 4 is smaller than the diameter of the cylinder 5 of the first plug 1.

[0023] Further, the upper side of the substrate 10 is provided with a clearance groove 9.

[0024] Specifically, the unexplained parts in the embodiment all adopt the known solutions in the prior art, which are well known to those skilled in the art and will not be described here.

[0025] The working principle of the embodiment is as follows:

[0026] In use, first, a long rod is inserted into the blind hole 7, and the inner surface of the first plug 1 and the fourth plug 4 is pressed forward, so that the first plug 1 and the fourth plug 4 are deformed forward and become more elongated, thereby being more convenient to be installed into the copper pipe hole. Then, the first plug 1, the second plug 2, the third plug 3 and the fourth plug 4 are installed into the copper pipe hole of the aluminum piece, the long rod is loosened, and the first plug 1 and the fourth plug 4 restore their original shapes in the copper pipe hole and are firmly fixed in the copper pipe hole, the first plug 1 and the fourth plug 4 are at both ends of the substrate, and the strength is better guaranteed. The circular hole 8 in the second plug 2 and the third plug 3 can increase the elasticity of the second plug 2 and the third plug 3, so as to be more easily inserted into the copper pipe hole. The first plug 1, the second plug 2, the third plug 3 and the fourth plug 4 are simultaneously stressed, and the performance of resisting external force is stronger, so as not to be easily dropped, to avoid corrosion caused by water entering the copper pipe hole, and to improve product quality.

[0027] The clearance groove 9 is used for avoiding the positioning mechanism of the machine tool, and the positioning mechanism can directly contact the end face of the aluminum piece through the clearance groove 9 to perform reference positioning, thereby facilitating the machining of the aluminum piece.

Claims

1. An integrated hole-plugging structure, characterized by comprising: The plug includes a substrate, and at least three elastic plugs are arranged on the front side of the substrate in sequence along the length direction of the substrate; Each of the plugs includes a cylinder and a conical frustum, one end of the cylinder is connected with the substrate, the other end is coaxially connected with the conical frustum, and the diameter of the cylinder is equal to the diameter of the bottom surface of the conical frustum; The length of the conical frustum of the plug at the leftmost position on the substrate is greater than the length of the conical frustum of any plug at the middle position on the substrate, and the length of the conical frustum of the plug at the rightmost position on the substrate is greater than the length of the conical frustum of any plug at the middle position on the substrate; Two blind holes coaxial with the plug at the leftmost position and the plug at the rightmost position are arranged on the back side of the substrate, the blind holes extend through the substrate and the cylinder to the conical frustum, and the blind holes in the conical frustum are conical; A circular hole is arranged at the center of the end surface of any plug at the middle position on the substrate, and the circular hole penetrates the conical frustum and the cylinder.

2. The one-piece hole plugging structure of claim 1, wherein The diameter of the cylinder of the plug at the rightmost position is smaller than the diameter of the cylinder of the plug at the leftmost position.

3. The one-piece hole plugging structure of claim 1, wherein, An avoiding groove is arranged on the upper side of the substrate.

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