Conductive column and electrophoresis device using same

Abstract

The utility model discloses a conductive column which comprises a nut, a first connecting rod connected to the nut and a second connecting rod connected to the first connecting rod. External threads are circumferentially arranged on the second connecting rod; the diameter of the first connecting rod is larger than that of the second connecting rod, and the bottom of the first connecting rod can abut against the combination face connected with the conductive column. The beneficial effects are that the bottom of the first connecting rod can abut against the combination surface connected with the conductive column, and the bottom of the first connecting rod can be supported by the combination surface, thereby reducing the influence of the overall pulling force on the conductive column, improving the fixing stability, and finally improving the sealing performance between the conductive column and the combination surface.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of 3C product electrophoretic surface treatment, and particularly relates to a conductive column and an electrophoretic device applying the same BACKGROUND

[0002] 3C product electrophoretic surface treatment refers to a process of processing the surface of a 3C product by using an electrophoresis process, wherein the connection form of the conductive column for electrification and the product substrate is mostly screw connection, that is, the external thread on the conductive column is connected and fixed with the internal thread in the fastener hole on the product substrate, but only by using this connection mode, the fastener hole is easily affected by the overall tension when the conductive column is suspended, resulting in that the fastener hole is enlarged, the stop rule is not stopped, and the sealing between the conductive column and the product substrate is affected, which may cause the electrophoretic liquid to enter the fastener hole in the electrophoresis process. SUMMARY

[0003] The present application aims to provide a conductive column and an electrophoretic device applying the same to solve the problems of poor sealing and unstable fixation between the conductive column and the fastener hole in the prior art.

[0004] A conductive column comprises a nut, a first connecting rod connected to the nut, and a second connecting rod connected to the first connecting rod, wherein the second connecting rod is provided with an external thread in the circumferential direction, the diameter of the first connecting rod is greater than the diameter of the second connecting rod, and the bottom of the first connecting rod can abut against a joint surface connected to the conductive column.

[0005] The first connecting rod can abut against the joint surface, the bottom of the first connecting rod can be supported by the joint surface, the influence of the overall tension on the conductive column is reduced, the stability of fixation is improved, and finally the sealing between the conductive column and the joint surface is improved.

[0006] In some embodiments, the diameter of the first connecting rod is greater than the diameter of the external thread.

[0007] In some embodiments, the diameter of the first connecting rod is equal to the diameter of the external thread.

[0008] An electrophoretic device comprises a conductive column and a substrate capable of being connected to the conductive column, wherein the substrate is provided with a fixed part, the fixed part is provided with a fastener hole matched with the first connecting rod, and the fastener hole is provided with an internal thread matched with the external thread.

[0009] The fixed part can provide support for the conductive column, the influence of the overall tension on the conductive column is reduced, the sealing between the conductive column and the fastener hole is improved, and the electrophoretic liquid can be prevented from entering the fastener hole.

[0010] In some embodiments, the first connecting rod can abut against the end surface of the fixed part.

[0011] In some embodiments, the diameter of the first connecting rod is smaller than the diameter of the fixing portion.

[0012] In some embodiments, the diameter of the first connecting rod is equal to the diameter of the fixing portion.

[0013] In some embodiments, the diameter of the first connecting rod is greater than the diameter of the fixing portion.

[0014] In some embodiments, the first connecting rod is capable of being sealingly connected with the end surface of the fixing portion.

[0015] In some embodiments, the fixing portion protrudes from the surface on which the substrate is located.

[0016] The beneficial effect is that the electrophoretic liquid can be further prevented from entering the fastener hole. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0018] Figure 1 It is a schematic diagram of the conductive column in the present application.

[0019] Figure 2 It is a sectional view of the electrophoretic device in the present application.

[0020] Figure 3 It is a schematic diagram of the electrophoretic device in the present application

[0021] Explanation of reference numerals in the drawings,

[0022] 1, conductive column; 11, nut; 12, first connecting rod; 13, second connecting rod; 131, external thread; 2, substrate; 21, fixing portion; 211, fastener hole; 212, internal thread; DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the present application more clear, the present application will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described here are part of the examples of the present application, not all examples, and are used to explain the present application, not to limit the present application. Based on the examples in the present application, all other examples obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0024] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "inner", "outer", "two ends", "two sides", "bottom", "top" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the elements referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "superior", "inferior", "primary", "secondary" and the like are only for descriptive purposes and can be simply used to distinguish different components more clearly, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected, or it can be mechanically connected, or it can be electrically connected, or it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] As shown in Figure 1 As shown in

[0027] A conductive column 1 comprises a screw cap 11, a first connecting rod 12 connected to the screw cap 11, and a second connecting rod 13 connected to the first connecting rod 12; the second connecting rod 13 is provided with an external thread 131 in the circumferential direction; the diameter of the first connecting rod 12 is greater than the diameter of the second connecting rod 13, and the bottom of the first connecting rod 12 can abut against a bonding surface connected with the conductive column 1. The bonding surface here generally refers to a surface of a product (a substrate 2) to be subjected to electrophoresis treatment connected with the conductive column 1.

[0028] The beneficial effect is that the bottom of the first connecting rod 12 can abut against the bonding surface connected with the conductive column 1, the bottom of the first connecting rod 12 can be supported by the bonding surface, the influence of the overall tension on the conductive column 1 is reduced, the stability of the fixation is improved, and finally the sealing between the conductive column 1 and the bonding surface can be improved.

[0029] Preferably, the diameter of the first connecting rod 12 is greater than the diameter of the external thread 131.

[0030] Preferably, the diameter of the first connecting rod 12 is equal to the diameter of the external thread 131.

[0031] As shown in Figures 2-3 As shown in

[0032] The utility model provides an electrophoresis device, including conductive column 1 and can be connected with its base plate 2, be provided with fixed part 21 on base plate 2, fixed part 21 is opened with the fixed hole 211 that matches first connecting rod 12, and the fixed hole 211 is provided with the internal thread 212 that matches outer thread 131.

[0033] As shown in figure 2, in the embodiment, at least four fixed parts 21 are provided on the base plate 2, and correspondingly, at least four conductive columns 1 are provided, and each fixed part 21 is arranged at a corner of the base plate 2.

[0034] The beneficial effects are that the fixed part 21 can provide support for the conductive column 1, reduce the influence of the overall tension on the conductive column 1, improve the sealing between the conductive column 1 and the fixed hole 211, and prevent the electrophoresis liquid from entering the fixed hole 211.

[0035] Preferably, the first connecting rod 12 can abut against the end face of the fixed part 21.

[0036] Preferably, the diameter of the first connecting rod 12 is smaller than the diameter of the fixed part 21.

[0037] Preferably, the diameter of the first connecting rod 12 is equal to the diameter of the fixed part 21.

[0038] Preferably, the diameter of the first connecting rod 12 is greater than the diameter of the fixed part 21.

[0039] Preferably, the first connecting rod 12 can be in sealing connection with the end face of the fixed part 21.

[0040] Preferably, the fixed part 21 is protruded on the surface of the base plate 2. The beneficial effects are that the electrophoresis liquid can be further prevented from entering the fixed hole.

[0041] The above only describes some embodiments of the utility model, which are used to illustrate the technical solutions of the utility model, but not to limit them. It should be understood that, for those skilled in the art, the above description can be improved or replaced without departing from the concept of the utility model, and all these improvements and replacements should belong to the protection scope of the appended claims of the utility model. In this case, all details can be replaced by equivalent elements, and the materials, shapes and sizes can be arbitrary.

Claims

1. A conductive post, characterized in that, Includes a nut (11) and a first connecting rod (12) connected thereto, and a second connecting rod (13) connected to the first connecting rod (12); the second connecting rod (13) is provided with an external thread (131) in the circumferential direction; the diameter of the first connecting rod (12) is larger than the diameter of the second connecting rod (13), and the bottom of the first connecting rod (12) can abut against the mating surface connected to the conductive post.

2. A conductive post according to claim 1, characterized in that, The diameter of the first connecting rod (12) is larger than the diameter of the external thread (131).

3. A conductive post according to claim 1, characterized in that, The diameter of the first connecting rod (12) is equal to the diameter of the external thread (131).

4. An electrophoresis apparatus, characterized in that, The application includes a conductive post (1) according to any one of claims 1 to 3, wherein a substrate (2) is connected to the conductive post (1); a fixing part (21) is provided on the substrate (2), the fixing part (21) having a fastener hole (211) matching the first connecting rod (12), and an internal thread (212) matching the external thread (131) is provided in the fastener hole (211).

5. An electrophoresis apparatus according to claim 4, characterized in that, The first link (12) can abut against the end face of the fixing part (21).

6. The electrophoresis apparatus according to claim 5, characterized in that, The diameter of the first connecting rod (12) is smaller than the diameter of the fixing part (21).

7. An electrophoresis apparatus according to claim 5, characterized in that, The diameter of the first connecting rod (12) is equal to the diameter of the fixed part (21).

8. An electrophoresis apparatus according to claim 5, characterized in that, The diameter of the first connecting rod (12) is larger than the diameter of the fixing part (21).

9. An electrophoresis apparatus according to claim 4, characterized in that, The first connecting rod (12) can be sealed to the end face of the fixing part (21).

10. An electrophoresis apparatus according to claim 4, characterized in that, The fixing part (21) protrudes from the surface of the substrate (2).

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