CN214706312U

CN214706312U - Ceramic binding post

Info

Publication number: CN214706312U
Application number: CN202121042731.4U
Authority: CN
Inventors: 殷海明
Original assignee: Dongguan Changyi Photoelectric Co ltd
Current assignee: Dongguan Changyi photoelectric Co.,Ltd.
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2021-11-12
Anticipated expiration: 2031-05-17

Abstract

The utility model discloses a ceramic binding post, which comprises a metal guide pillar, a first ceramic insulating part, a second ceramic insulating part, a gasket and a fastener, wherein the upper end surface of the metal guide pillar is provided with a plurality of first wiring holes, and the lower end surface of the metal guide pillar is provided with a second wiring hole; the first ceramic insulating part, the second ceramic insulating part, the gasket and the fastener are sequentially sleeved into the metal guide pillar from the lower end of the metal guide pillar; an upper annular groove is formed in the upper end face of the first ceramic insulating part, a sealing ring is arranged in the upper annular groove, a first half groove is formed in the periphery of the lower end face of the first ceramic insulating part, and a lower annular groove is formed in the first half groove; and a second half groove is formed in the periphery of the upper end face of the second ceramic insulating part, and the first half groove, the second half groove and the lower annular groove form a complete assembly groove together. The utility model has the advantages that the ceramic binding post can ensure the sealing performance of the inner space of the equipment body and is not easy to be connected and conducted with the equipment body; the ceramic binding post is convenient to install and high in operability.

Description

Ceramic binding post

Technical Field

The utility model relates to a termination technical field, especially a ceramic binding post are applicable to the static earth protection of preventing of electromechanical spare part among the electrical and electrical equipment.

Background

The vacuum coating machine mainly refers to a device which needs coating under a higher vacuum degree, most of electric components inside the coating machine need to be subjected to anti-static grounding protection, a common ceramic binding post mainly considers the insulation protection during grounding, and when the vacuum coating machine is applied, the ceramic binding post and a vacuum coating machine body are installed, so that a good vacuum environment inside the machine body needs to be met, and the installation needs to be convenient. To this end, improvements have been made to ceramic posts in response to the above needs.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to above-mentioned prior art not enough, a ceramic binding post is provided.

In order to solve the technical problem, the utility model discloses the technical scheme who takes is: a ceramic binding post comprises a metal guide post, a first ceramic insulating part, a second ceramic insulating part, a gasket and a fastener, wherein the upper end surface of the metal guide post is provided with a plurality of first wiring holes, and the lower end surface of the metal guide post is provided with a second wiring hole; the first ceramic insulating part, the second ceramic insulating part, the gasket and the fastener are sequentially sleeved into the metal guide pillar from the lower end of the metal guide pillar; an upper annular groove is formed in the upper end face of the first ceramic insulating part, a sealing ring is arranged in the upper annular groove, a first half groove is formed in the periphery of the lower end face of the first ceramic insulating part, and a lower annular groove is formed in the first half groove; the periphery of the upper end face of the second ceramic insulating part is provided with a second half groove, the first ceramic insulating part is tightly attached to the second ceramic insulating part, and the first half groove, the second half groove and the lower annular groove form a complete assembly groove together.

Among the above-mentioned technical scheme, the quantity of first wiring hole is 4~10, and first wiring hole distributes on the up end of metal guide pillar annularly with equidistant ground.

The outer side face of the fastener in the technical scheme is provided with the sawtooth structure, the inner side face of the fastener is provided with the thread structure, and the metal guide pillar is in threaded connection with the fastener.

According to the technical scheme, the fastening piece is provided with 4 adjusting screw holes, each adjusting screw hole penetrates through the upper end face and the lower end face of the fastening piece, and the adjusting screw holes are distributed on the fastening piece in an annular mode at equal intervals.

The utility model has the advantages that: the ceramic binding post can ensure the sealing property of the internal space of the equipment body and is not easy to be connected and conducted with the equipment body; the ceramic binding post is convenient to install and high in operability.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.

Fig. 2 is an exploded schematic view of the embodiment of the present invention.

Fig. 3 is a schematic sectional structure diagram of an embodiment of the present invention.

Reference numerals

1. A metal guide post; 11. a first wiring hole; 12. a second wiring hole; 2. a first ceramic insulator; 21. an upper annular groove; 22. a first half-tank; 23. a lower annular groove; 3. a second ceramic insulator; 31. a second half-tank; 4. a gasket; 5. a fastener; 51. a sawtooth structure; 52. adjusting the screw hole; 6. a seal ring; 7. and assembling the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, the directions or positional relationships of the ceramic terminals will be described with reference to fig. 3, wherein the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention and simplification of the description, but do not indicate or imply that the device or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, a ceramic binding post comprises a metal guide post 1, a first ceramic insulator 2, a second ceramic insulator 3, a gasket 4 and a fastener 5. The overall shape of the metal guide pillar 1 is like a bolt structure, the upper end face of the metal guide pillar 1 is provided with a plurality of first wiring holes 11, the equipment body fixedly connects the grounding lead of the electromechanical parts inside the equipment in the first wiring holes 11 through bolts or screws, the lower end face of the metal guide pillar 1 is provided with a second wiring hole 12, and the second wiring hole 12 is used for external grounding. The first ceramic insulator 2, the second ceramic insulator 3, the gasket 4 and the fastener 5 are sleeved into the metal guide pillar 1 from the lower end of the metal guide pillar 1 in sequence. An upper annular groove 21 is formed in the upper end face of the first ceramic insulating part 2, a sealing ring 6 is arranged in the upper annular groove 21, a first half groove 22 is formed in the periphery of the lower end face of the first ceramic insulating part 2, and a lower annular groove 23 is formed in the first half groove 22; the periphery of the upper end face of the second ceramic insulating part 3 is provided with a second half groove 31, the first ceramic insulating part 2 is tightly attached to the second ceramic insulating part 3, the first half groove 22, the second half groove 31 and the lower annular groove 23 jointly form a complete assembly groove 7, and the machine body of the equipment is installed in the assembly groove 7 in a limiting mode.

To explain, the number of the first wiring holes 11 is eight, the number of the first wiring holes 11 can be increased or decreased appropriately according to the wiring requirements of the equipment, and generally, four to ten first wiring holes 11 are provided, and the first wiring holes 11 are annularly distributed on the upper end surface of the metal guide pillar 1 at equal intervals.

Further, the outer side surface of the fastening piece 5 is provided with a sawtooth structure 51 for the convenience of a user to screw or loosen the ceramic binding post, the inner side surface of the fastening piece 5 is provided with a thread structure, and the metal guide pillar 1 is in threaded connection with the fastening piece 5.

Further, the fastening member 5 is provided with four adjustment screw holes 52, each adjustment screw hole 52 penetrates through the upper and lower end surfaces of the fastening member 5, and the adjustment screw holes 52 are annularly distributed on the fastening member 5 at equal intervals. The adjusting screw hole 52 can be screwed with a bolt with corresponding size, the bolt is connected into the adjusting screw hole 52 from bottom to top, and the first ceramic insulating part 2, the second ceramic insulating part 3 and the gasket 4 are tightly pressed to adjust the horizontal pressure of the sealing surface.

The working principle is as follows: during metal guide pillar 1 was emboliaed to first ceramic insulator 2, be equipped with sealing washer 6 between first ceramic insulator 2 and the metal guide pillar 1, equipment organism inboard is arranged in to metal guide pillar 1 and first ceramic insulator 2, first half groove 22 and lower annular groove 23 on the first ceramic insulator 2 and the inboard structure looks adaptation of equipment organism, the lower extreme of metal guide pillar 1 stretches out outside the organism, second ceramic insulator 3, gasket 4 and fastener 5 embolia in metal guide pillar 1 in proper order, fastener 5 fastens first ceramic insulator 2 and second ceramic insulator 3 and laminates, the half groove 31 of second on the second ceramic insulator 3 and the structure looks adaptation outside the equipment organism. After assembly is completed, electromechanical parts in the equipment body are subjected to anti-static grounding through the ceramic binding post, so that the sealing property of the internal space of the equipment body can be ensured, and the equipment body is not easy to be connected and conducted with the ceramic binding post; the ceramic binding post is convenient to install and high in operability.

The above embodiments are merely illustrative and not restrictive, and all equivalent changes and modifications made by the methods described in the claims are intended to be included within the scope of the present invention.

Claims

1. A ceramic binding post is characterized by comprising a metal guide post (1), a first ceramic insulating part (2), a second ceramic insulating part (3), a gasket (4) and a fastener (5), wherein the upper end surface of the metal guide post (1) is provided with a plurality of first wiring holes (11), and the lower end surface of the metal guide post (1) is provided with a second wiring hole (12); the first ceramic insulating part (2), the second ceramic insulating part (3), the gasket (4) and the fastener (5) are sequentially sleeved into the metal guide pillar (1) from the lower end of the metal guide pillar (1); an upper annular groove (21) is formed in the upper end face of the first ceramic insulating part (2), a sealing ring (6) is arranged in the upper annular groove (21), a first half groove (22) is formed in the periphery of the lower end face of the first ceramic insulating part (2), and a lower annular groove (23) is formed in the first half groove (22); the periphery of the upper end face of the second ceramic insulating part (3) is provided with a second half groove (31), the first ceramic insulating part (2) is tightly attached to the second ceramic insulating part (3), and the first half groove (22), the second half groove (31) and the lower annular groove (23) jointly form a complete assembling groove (7).

2. The ceramic terminal according to claim 1, wherein the number of the first wiring holes (11) is 4-10, and the first wiring holes (11) are annularly distributed on the upper end surface of the metal guide pillar (1) at equal intervals.

3. Ceramic lug according to claim 1, wherein the fastener (5) has a saw-tooth structure (51) on the outer side and a thread structure on the inner side, and the metal guide post (1) and the fastener (5) are connected by a thread.

4. Ceramic lug according to claim 1, wherein the fastening element (5) is provided with 4 adjustment screw holes (52), each adjustment screw hole (52) extending through an upper and a lower end face of the fastening element (5), the adjustment screw holes (52) being annularly distributed at equal intervals on the fastening element (5).