阅读说明：本技术 一种具有防沙功能的信号连接器插头 (Signal connector plug with sand prevention function ) 是由 陈育明 于 2020-10-28 设计创作，主要内容包括：本发明公布了一种具有防沙功能的信号连接器插头,涉及信号连接器插头技术领域,包括插头基座体,插头基座体内设置有壳体,壳体外壁与插头基座体之间安装设置有弹簧,壳体内部安装设置安装板,安装板外部套设有套筒,安装板内部轴向贯穿设置插针体,安装板一端部固定设置有密封垫,密封垫采用硅橡胶材料制成且其内部设置有用于插针体穿插的十字帘划槽结构,插针体与插座插针相匹配设置,插座插针轴向穿过短路安装板体、安装板和插座密封垫。本发明满足插针体2000次插入与分离的机械寿命使用需求,十字帘划槽结构能够满足和插针体密封接触的密封需求,防止沙土从插针体和密封垫接触部位通过,密封性能好,实用性强,可靠性高。(The invention discloses a signal connector plug with a sand prevention function, and relates to the technical field of signal connector plugs. The invention meets the mechanical service life use requirement of 2000 times of insertion and separation of the pin body, the cross curtain groove structure can meet the sealing requirement of sealing contact with the pin body, and prevents sandy soil from passing through the contact part of the pin body and the sealing gasket, and the invention has good sealing performance, strong practicability and high reliability.)

1. A signal connector plug with a sand prevention function is characterized by comprising a plug base body (1), a shell (4) is arranged in the plug base body (1), a spring (6) is installed between the outer wall of the shell (4) and the plug base body (1), a mounting plate (3) is installed inside the shell (4), a sleeve (7) is sleeved outside the mounting plate (3), a pin body (2) is axially arranged inside the mounting plate (3) in a penetrating manner, a sealing gasket (5) is fixedly arranged at one end part of the mounting plate (3), the sealing gasket (5) is made of a silicon rubber material, a cross curtain groove structure for inserting the pin body (2) is arranged inside the sealing gasket, the pin body (2) is matched with a socket pin (11), and the socket pin (11) axially penetrates through a short circuit mounting plate body (8), a mounting plate (13) and a socket sealing gasket (14), short circuit mounting plate body (8) activity sets up in socket base body (12), and the winding is connected on short circuit mounting plate body (8) tip boss and is set up compression spring (9), and the one end winding that short circuit mounting plate body (8) were kept away from in compression spring (9) sets up on mounting panel (13) tip step, is provided with socket sleeve (10) between short circuit mounting plate body (8) outer wall and socket base body (12).

2. The signal connector plug having a sand prevention function according to claim 1, wherein an outer surface of the socket base body (12) is treated with a non-conductive hard oxide layer, and an inner surface of the socket base body (12) is removed with the hard oxide layer and has a conductive property.

3. A signal connector plug with a sand prevention function according to claim 1, wherein a rounded corner with a radius of 0.3mm is provided at a boss position where the end of the short circuit mounting plate body (8) contacts with the socket sleeve (10).

4. The signal connector plug with the sand prevention function according to claim 1, wherein the socket sleeve (10) is made of aluminum bronze alloy, the surface of the socket sleeve is subjected to chemical nickel plating treatment, the surface roughness is controlled to be 0.4-0.2, and the outer wall of the socket sleeve (10) is provided with a step surface which forms an included angle of 45 degrees along the radial direction.

5. The signal connector plug with the sand prevention function according to claim 1, wherein the cross-shaped curtain groove width of the sealing gasket (5) is 0.1mm, and the cross-shaped curtain groove structure on the sealing gasket (5) is formed by vertically cutting the sealing gasket (5) in a cross shape by using a needle tube, and the cross-shaped curtain groove structure is uniformly distributed on the sealing gasket (5) along the circle center.

6. A signal connector plug having a sand control function according to claim 1, wherein the end surface of the mounting plate (3) facing the packing (5) has an uneven roughened surface structure, and the roughened surface of the mounting plate (3) is bonded to the packing (5) by silicone rubber.

7. A signal connector plug with sand control function according to claim 1, wherein the mounting plate (3) is provided with a plurality of recesses (302) in an annular array on the rough surface, the mounting plate (3) is provided with a cylindrical body (301), and the cylindrical body (301) is in interference fit with the through hole (501) of the sealing gasket (5).

8. A signal connector plug with sand control function according to claim 1, characterized in that the end of the pin body (2) facing the sealing gasket (5) is provided with a rounded corner, and the outer surface of the pin body (2) is smooth and burr-free.

Technical Field

The invention relates to a signal connector plug, in particular to a signal connector plug with a sand prevention function.

Background

Connectors, also called connectors, are also known domestically as connectors and sockets, and generally refer to electrical connectors, i.e. devices that connect two active devices, transmitting current or signals. The basic performance of the connector can be divided into three categories, namely, the male terminal and the female terminal can transmit information or current after being contacted, which is also called as a connector: namely mechanical, electrical and environmental properties. Another important mechanical property is the mechanical life of the connector, which is actually an indicator of durability, and it is called mechanical operation in the national standard GB5095, which is based on one cycle of one insertion and one extraction, and on the criterion whether the connector can normally perform its connecting function (e.g. contact resistance value) after a specified insertion and extraction cycle.

At present, the one kind signal connector plug of this department's production is when using, the phenomenon that sand or dust got into in the plug can appear, under the more climatic environment of some sand, the life and the reliability of signal connector plug can't be ensured, this department has designed a prevent sand dustproof connector plug structure, but the discovery is sealed the pad in the insertion and the separation process of pin part through 2000 times, sealed pad reconversion and unable simultaneously keep with the sealed contact of pin part, for reasons, this department's technical staff is through continuous try and effort, design a sealing performance good eventually, stable in structure and satisfy product mechanical properties and performance's connector plug.

Disclosure of Invention

The invention aims to solve the problems, provides a signal connector plug with a sand prevention function, has a stable structure and reliable use, meets the mechanical service life use requirement of 2000 times of insertion and separation of a pin body, can meet the sealing requirement of sealing contact with the pin body by a cross curtain groove structure, prevents sand from passing through the contact part of the pin body and a sealing gasket, and has good sealing performance, strong practicability and high reliability.

In order to realize the purpose, the invention adopts the technical scheme that: a signal connector plug with a sand prevention function comprises a plug base body, a shell is arranged in the plug base body, a spring is arranged between the outer wall of the shell and the plug base body, a mounting plate is arranged in the shell, a sleeve is sleeved outside the mounting plate, a plug pin body axially penetrates through the inside of the mounting plate, a sealing gasket is fixedly arranged at one end of the mounting plate, the sealing gasket is made of silicon rubber materials, a cross-shaped curtain groove structure for the plug pin body to penetrate is arranged in the sealing gasket, the plug pin body is matched with a socket contact pin, the socket contact pin axially penetrates through a short circuit mounting plate body, the short circuit mounting plate body is movably arranged in the socket base body, a compression spring is arranged on a boss at the end part of the short circuit mounting plate body in a winding and connecting mode, one end, far away from the short circuit mounting plate body, of the compression spring is arranged on a step at the end part of the mounting plate in a winding mode, and a socket sleeve is arranged between the outer wall of the short circuit mounting plate body and the socket base body.

As a further optimization of the present invention, the outer surface of the socket base body is treated with a non-conductive hard oxide layer, and the inner surface of the socket base body is removed with the hard oxide layer and has a conductive property.

As a further optimization of the invention, a round angle with the radius of 0.3mm is arranged at the position of a boss where the end part of the short circuit mounting plate body is contacted with the socket sleeve.

As a further optimization of the invention, the socket sleeve is made of aluminum bronze alloy, the surface of the socket sleeve is subjected to chemical nickel plating treatment, the surface roughness is controlled to be 0.4-0.2, and the outer wall of the socket sleeve is provided with a step surface which forms an included angle of 45 degrees along the radial direction.

As a further optimization of the invention, the width of the cross-shaped curtain groove of the sealing gasket is 0.1mm, the cross-shaped curtain groove structure on the sealing gasket is formed by vertically cutting the sealing gasket in a cross shape by adopting a needle tube, and the cross-shaped curtain groove structures are uniformly distributed on the sealing gasket along the circle center.

As a further optimization of the invention, the end surface of the mounting plate facing the sealing gasket is in an uneven rough surface structure, and the rough surface of the mounting plate is bonded with the sealing gasket through silica gel.

As a further optimization of the invention, the rough surface of the mounting plate is provided with the pits in an annular array manner, the mounting plate is provided with the cylinder, and the cylinder is in interference fit with the through hole on the sealing gasket.

As a further optimization of the invention, one end of the pin body facing the sealing gasket is provided with a fillet, and the outer surface of the pin body is smooth and burr-free.

The invention has the beneficial effects that: the signal connector plug with the sand prevention function is stable in structure and reliable in use, meets the mechanical service life use requirement of 2000 times of insertion and separation of the pin body, can meet the sealing requirement of sealing contact with the pin body through the cross curtain groove structure, prevents sand from passing through the contact part of the pin body and the sealing gasket, and is good in sealing performance, strong in practicability and high in reliability.

1. The invention is provided with a cross curtain groove structure, the sealing gasket is made of high-elasticity anti-tearing special silicon rubber material, the Shore hardness is 50 degrees, the cross curtain groove structure cannot realize integrated molding operation through a mold, the cross curtain groove has smaller width, the strength of a mold core of the mold is poor, the use requirement cannot be met, the moldability is poor, and the groove forming of 0.1mm cannot be realized, so that the design of forming a cross gap through the mold is cancelled, the fine needle tube head is manually drawn, and the difficult problem of forming is solved.

2. The sealing gasket is provided with the concave pit, the cylinder and the through hole, the sealing gasket is positioned through interference fit of the cylinder and the circular hole, the sealing gasket is tightly matched with the mounting plate, the sealing gasket is prevented from falling off from the mounting plate, and the practicability is high.

3. Through the improvement of designers, the fillet structure is added to the part, the surface roughness of the part is improved, the sliding stability of the matching surface is improved, the sliding effect of the short circuit mounting plate in the base body is improved, the phenomena of blocking and difficult resetting are avoided, the mechanical life and the practicability of the whole device are greatly improved, the use requirement of a product is met, and the qualified requirement of the mechanical life of the product is met.

Drawings

Fig. 1 is a schematic front view of the present invention.

Fig. 2 is a schematic front view of the plug base body according to the present invention.

Fig. 3 is a schematic front view of the short circuit mounting plate according to the present invention.

Fig. 4 is a schematic structural diagram of the socket base body according to the present invention.

Fig. 5 is a front view of the short-circuit mounting plate component of the present invention.

Fig. 6 is a front view of the socket sleeve according to the present invention.

Fig. 7 is a front view schematically illustrating the structure of the gasket according to the present invention.

Fig. 8 is a front view of the mounting plate of the present invention.

Fig. 9 is a front view of the pin body of the present invention.

The text labels in the figures are represented as: 1. a plug base body; 2. a needle insertion body; 3. mounting a plate; 4. a housing; 5. a gasket; 6. a spring; 7. a sleeve; 8. a short circuit mounting plate body; 9. a compression spring; 10. a socket sleeve; 11. a socket pin; 12. a socket base body; 13. mounting a plate; 14. a socket gasket; 301. a cylinder; 302. a pit; 501. and a through hole.

Detailed Description

The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.

As shown in fig. 1 to 9, the specific structure of the present invention is: a signal connector plug with a sand prevention function comprises a plug base body 1, a shell 4 is arranged in the plug base body 1, a spring 6 is arranged between the outer wall of the shell 4 and the plug base body 1, a mounting plate 3 is arranged in the shell 4, a sleeve 7 is sleeved outside the mounting plate 3, a plug body 2 is arranged in the mounting plate 3 in an axial penetrating manner, a sealing gasket 5 is fixedly arranged at one end of the mounting plate 3, the sealing gasket 5 is made of silicon rubber materials, a cross curtain groove structure for the plug body 2 to penetrate is arranged in the sealing gasket 5, the plug body 2 is matched with a socket plug pin 11, the socket plug pin 11 axially penetrates through a short circuit mounting plate body 8, a mounting plate 13 and a socket sealing gasket 14, the short circuit mounting plate body 8 is movably arranged in a socket base body 12, a compression spring 9 is wound and connected on a boss at the end part of the short circuit mounting plate body 8, one end of the compression spring 9, which is far away from the short circuit mounting plate body 8, is wound and arranged on a step at the end part of the mounting plate 13, a socket sleeve 10 is arranged between the outer wall of the short circuit mounting plate 8 and the socket base body 12.

Preferably, in order to facilitate the formation of an electrical short-circuit closed loop inside the socket base body 12 and realize the signal transmission function of the whole device, the outer surface of the socket base body 12 is treated with a non-conductive hard oxide layer, and the inner surface of the socket base body 12 is removed with the hard oxide layer and has electrical conductivity.

Preferably, in order to facilitate the reduction of the sliding friction resistance between the short circuit mounting plate 8 and the socket sleeve 10 and improve the stability of the short circuit mounting plate 8 in the axial horizontal movement, a fillet with a radius of 0.3mm is arranged at the boss position where the end of the short circuit mounting plate 8 contacts the socket sleeve 10.

Preferably, in order to facilitate the reduction of the sliding friction resistance between the short circuit mounting plate 8 and the socket sleeve 10 and improve the stability of the short circuit mounting plate 8 during the axial horizontal movement, the socket sleeve 10 is made of aluminum bronze alloy, the surface of the socket sleeve 10 is subjected to chemical nickel plating treatment, the surface roughness is controlled to be 0.4-0.2, and the outer wall of the socket sleeve 10 is provided with a step surface which forms an included angle of 45 degrees along the radial direction.

Preferably, in order to be favorable for realizing that the sealing gasket 5 is in sealing fit with the insertion needle body 2 and prevent sandy soil from entering the plug, the width of the cross-shaped curtain groove of the sealing gasket 5 is 0.1mm, the cross-shaped curtain groove structure on the sealing gasket 5 is formed by vertically cutting the sealing gasket 5 in a cross shape by adopting a needle tube, and the cross-shaped curtain groove structure is uniformly distributed on the sealing gasket 5 along the circle center.

Preferably, in order to be favorable to realizing sealing up 5 fixed mounting on mounting panel 3, mounting panel 3 is unevenness's rough surface structural shape towards the terminal surface that seals up 5, and mounting panel 3's rough surface passes through the sealed pad 5 of silica gel bonding, and the silica gel can select for use HT901 organosilicon to glue sealed glue.

Preferably, in order to facilitate the fixed installation of the sealing gasket 5 on the mounting plate 3, the mounting plate 3 is provided with the concave pits 302 in an annular array on the rough surface, the mounting plate 3 is provided with the cylinder 301, and the cylinder 301 is in interference fit with the through hole 501 on the sealing gasket 5.

Preferably, in order to prevent the burr on the insertion needle body 2 from piercing the sealing gasket 5, one end of the insertion needle body 2 facing the sealing gasket 5 is provided with a rounded corner, and the outer surface of the insertion needle body 2 is smooth and has no burr.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.