阅读说明：本技术 一种y18微型圆形电连接器 (Y18 miniature circular electric connector ) 是由 杨小平 于 2019-11-26 设计创作，主要内容包括：本发明公布了一种Y18微型圆形电连接器,它包括插头和插座,插头包括外壳体,外壳体中心设置有插孔,插孔连接有导线；外壳体与插孔之间填充有密封硅胶,插孔与导线的连接点外围包覆填充有灌封胶；外壳体后端外侧设置有压接套,且其后端在导线连接处依次套设有防波套和热缩管；插座包括凸缘壳体,凸缘壳体内设置有插针和导线；本发明连接器的接触可靠性高,使用寿命长,密封性好,外形体积小,产品抗压抗震能力高,防腐能力强,耐环境性能好,使用方便等特点。(The invention discloses a Y18 miniature circular electric connector, which comprises a plug and a socket, wherein the plug comprises an outer shell, the center of the outer shell is provided with a jack, and the jack is connected with a lead; sealing silica gel is filled between the outer shell and the jack, and pouring sealant is filled around the connection point of the jack and the lead in a wrapping manner; the outer side of the rear end of the outer shell is provided with a crimping sleeve, and the rear end of the outer shell is sequentially sleeved with a wave-proof sleeve and a heat-shrinkable tube at a wire connecting part; the socket comprises a flange shell, and a contact pin and a lead are arranged in the flange shell; the connector has the characteristics of high contact reliability, long service life, good sealing property, small appearance volume, high compression and shock resistance of the product, strong corrosion resistance, good environment resistance, convenient use and the like.)

1. A Y18 miniature circular electric connector comprises a plug and a socket, and is characterized in that the plug comprises an outer shell (6), the center of the outer shell (6) is provided with a jack (1), and the jack (1) is connected with a lead (2); sealing silica gel (12) is filled between the outer shell (6) and the jack (1), and pouring sealant (13) is coated and filled on the periphery of a connection point of the jack (1) and the lead (2); a connecting nut (7) is sleeved outside the outer shell (6), and a piston ring (8) is arranged between the inner side of the rear end of the connecting nut (7) and the outer shell (6); a plug mounting plate (3) and a positioning sheet (4) are arranged at the front end of the outer shell (6) and outside the jack (1); the socket comprises a flange shell (14), a contact pin (15) and a lead (2) are arranged in the flange shell (14), a rear sleeve (16) is coated at the joint of the contact pin (15) and the lead (2), and a socket mounting plate (17) is arranged between the front ends of the contact pin (15) and the rear sleeve (16) and the flange shell (14); sealing silica gel (12) is filled between the inner side of the socket mounting plate (17) and the rear sleeve (16), and sealing silica gel (12) is filled between the outer side of the socket mounting plate (17) and the inner side of the flange shell (14); and pouring sealant (13) is filled between the rear ends of the flange shell (14) and the rear sleeve (16) and the lead (2).

2. A Y18 miniature round electrical connector as claimed in claim 1, wherein the said detent tab (4) is an eccentric detent tab and mates with a detent (18) on the socket.

3. The miniature circular electrical connector of Y18 of claim 2, wherein the flange housing (14), the coupling nut (7), and the spacer (4) are a stainless steel flange housing, a stainless steel coupling nut, and a stainless steel spacer, respectively.

4. A Y18 miniature circular electrical connector according to claim 3, wherein the pin (15) is a crimped flexible stranded wire pin.

5. A Y18 miniature circular electrical connector according to claim 1, wherein the interface seal of the socket and the plug is provided with a sealing gasket (5).

6. The miniature circular electric connector of Y18 according to claim 1, wherein the outer side of the rear end of the outer housing (6) is provided with a crimping sleeve (9), and the rear end of the outer housing is sequentially sleeved with a wave-proof sleeve (10) and a heat-shrinkable tube (11) at the connection of the lead (2).

7. The miniature circular electrical connector of Y18 of claim 1, wherein the rear cavity of said flange housing (14) is potted with epoxy.

Technical Field

The invention belongs to the technical field of electronic equipment information transmission connecting pieces, and particularly relates to a Y18 miniature circular electric connector.

Background

In the existing circular electric connector, the defects of unreliable contact, large volume, poor sealing performance, poor environment resistance, inconvenient use and the like exist, and the requirement of users on higher performance in all aspects of products cannot be met.

Disclosure of Invention

The invention aims to solve the problems, and provides a Y18 miniature circular electric connector which has the characteristics of high contact reliability, long service life, good sealing property, small appearance volume, high pressure and shock resistance of a product, strong corrosion resistance, good environment resistance, convenience in use and the like.

In order to realize the purpose, the invention adopts the technical scheme that: a Y18 miniature circular electric connector comprises a plug and a socket, wherein the plug comprises an outer shell 6, the center of the outer shell 6 is provided with a jack 1, and the jack 1 is connected with a lead 2; sealing silica gel 12 is filled between the outer shell 6 and the jack 1, and pouring sealant 13 is coated and filled on the periphery of the connection point of the jack 1 and the lead 2; a connecting nut 7 is sleeved outside the outer shell 6, and an expansion ring 8 is arranged between the inner side of the rear end of the connecting nut 7 and the outer shell 6; a plug mounting plate 3 and a positioning plate 4 are arranged at the front end of the outer shell 6 outside the jack 1; the socket comprises a flange shell 14, a contact pin 15 and a lead 2 are arranged in the flange shell 14, a rear sleeve 16 is coated at the joint of the contact pin 15 and the lead 2, and a socket mounting plate 17 is arranged between the front ends of the contact pin 15 and the rear sleeve 16 and the flange shell 14; sealing silica gel 12 is filled between the inner side of the socket mounting plate 17 and the rear sleeve 16, and sealing silica gel 12 is filled between the outer side of the socket mounting plate 17 and the inner side of the flange shell 14; and pouring sealant 13 is filled between the rear ends of the flange shell 14 and the rear sleeve 16 and the lead 2.

Further, the positioning plate 4 is an eccentric positioning plate and is matched with a positioning groove 18 on the socket.

Further, the flange shell 14, the connecting nut 7 and the positioning plate 4 are respectively a stainless steel flange shell, a stainless steel connecting nut and a stainless steel positioning plate.

Further, the contact pin 15 is a crimping type flexible stranded wire contact pin.

Further, a sealing gasket 5 is arranged at the interface sealing position of the socket and the plug.

Further, the outer side of the rear end of the outer shell 6 is provided with a crimping sleeve 9, and the rear end of the outer shell is sequentially sleeved with a wave-proof sleeve 10 and a heat-shrinkable tube 11 at the joint of the lead 2.

Further, epoxy glue is filled in the tail cavity of the flange shell 14.

The invention has the beneficial effects that:

1. the connector has the advantages of high contact reliability, long service life, good sealing performance, small appearance volume, high compression and shock resistance of the product, strong corrosion resistance, good environment resistance, convenient use and the like, and meets the technical requirements of the national military standard of the product.

2. In order to reduce the size of a product, on the premise of meeting the electrical property of the product, the outer circle of a socket is controlled to be phi 5.6 or less by reducing the distance between pinholes, and a plug is controlled to be phi 7.4 or less; meanwhile, the wave-proof sleeve is fixedly conducted, a compression joint sleeve is adopted to be in compression joint and fastened, and a heat shrink tube is sleeved outside the compression joint sleeve to be shrunk, so that the wave-proof sleeve is small and attractive, the size of a product is greatly reduced, and the wave-proof sleeve is convenient to use in a narrow space.

3. In the invention, in order to improve the contact reliability of a product headstock, a crimping type flexible stranded wire contact pin is adopted as the contact pin, and the unique structural characteristics enable the contact pin to have good elasticity and contact performance and special vibration and shock resistance.

4. In the invention, the device requires no leakage under the pressure of 0.5 atmospheric pressure for the socket, so when designing the product structure, the product sealing property is fully considered, firstly a layer of uniform silica gel for sealing is coated between the mounting plate and the flange shell, and between the jack and the mounting plate, and then epoxy glue is filled and sealed in the tail cavity of the shell, thereby ensuring the air sealing effect of the socket, and for the interface sealing of the socket plug, a sealing gasket is arranged at the interface to ensure the interface sealing.

5. In the invention, aiming at the environmental resistance requirement of the device, exposed parts such as the flange shell, the connecting screw cap, the positioning sheet and the like are all made of high-quality stainless steel materials, so that the technical requirement of a salt spray test for 96 hours is met.

6. In the invention, in the aspect of the inserting and positioning of the plug and the socket, an eccentric positioning sheet positioning and inserting mode is adopted, the plug and the socket can be successfully inserted and closed only in a unique direction and position, and the blind plugging function of the plug and the socket can be realized.

Drawings

Fig. 1 is a schematic structural diagram of a plug in the device of the present invention.

Fig. 2 is a schematic cross-sectional view of a plug in the device of the present invention.

Fig. 3 is a schematic structural diagram of a socket in the device of the present invention.

Fig. 4 is a schematic cross-sectional view of a socket in the device of the present invention.

In the figure: 1. a jack; 2. a wire; 3. a plug mounting plate; 4. positioning plates; 5. a sealing gasket; 6. an outer housing; 7. a connecting nut; 8. an expansion ring; 9. a crimping sleeve; 10. a wave-proof sleeve; 11. heat shrink tubing; 12. sealing the silica gel; 13. pouring a sealant; 14. a flange housing; 15. inserting a pin; 16. a rear sleeve; 17. a socket mounting plate; 18. and (6) positioning a groove.

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 4, the specific structure of the present invention is: a Y18 miniature circular electric connector comprises a plug and a socket, wherein the plug comprises an outer shell 6, the center of the outer shell 6 is provided with a jack 1, and the jack 1 is connected with a lead 2; sealing silica gel 12 is filled between the outer shell 6 and the jack 1, and pouring sealant 13 is coated and filled on the periphery of the connection point of the jack 1 and the lead 2; a connecting nut 7 is sleeved outside the outer shell 6, and an expansion ring 8 is arranged between the inner side of the rear end of the connecting nut 7 and the outer shell 6; a plug mounting plate 3 and a positioning plate 4 are arranged at the front end of the outer shell 6 outside the jack 1; the socket comprises a flange shell 14, a contact pin 15 and a lead 2 are arranged in the flange shell 14, a rear sleeve 16 is coated at the joint of the contact pin 15 and the lead 2, and a socket mounting plate 17 is arranged between the front ends of the contact pin 15 and the rear sleeve 16 and the flange shell 14; sealing silica gel 12 is filled between the inner side of the socket mounting plate 17 and the rear sleeve 16, and sealing silica gel 12 is filled between the outer side of the socket mounting plate 17 and the inner side of the flange shell 14; and pouring sealant 13 is filled between the rear ends of the flange shell 14 and the rear sleeve 16 and the lead 2.

In order to realize the blind-mate function of the plug and socket, the positioning plate 4 is an eccentric positioning plate and is matched with a positioning groove 18 on the socket.

In order to improve the environmental resistance of the device, the flange case 14, the coupling nut 7 and the spacer 4 are a stainless steel flange case, a stainless steel coupling nut and a stainless steel spacer, respectively.

Preferably, the contact pin 15 is a crimping type flexible stranded wire contact pin.

In order to further improve the air tightness of the interface between the socket and the socket, a sealing gasket 5 is arranged at the interface sealing position between the socket and the plug.

Preferably, the outer side of the rear end of the outer shell 6 is provided with a crimping sleeve 9, and the rear end of the outer shell is sequentially sleeved with a wave-proof sleeve 10 and a heat-shrinkable tube 11 at the joint of the lead 2.

In order to ensure the air-tight effect of the socket, epoxy glue is filled in the tail cavity of the flange shell 14.

When the socket is used specifically, in the first step, a layer of uniform silica gel is coated on the excircle of the mounting plate and the inner hole groove of the flange shell, and the socket mounting plate is installed in the flange shell; secondly, pressing and connecting the contact pin, the rear sleeve and the lead, coating a layer of uniform silica gel on the outer circle of the rear sleeve, and sequentially installing the silica gel into holes of the socket installation plate; and thirdly, encapsulating epoxy glue at the tail part of the flange shell for fixation.

For the plug, firstly, the jack and the lead are well pressed, then a layer of uniform silica gel is coated on the excircle of the jack, and then the silica gel is sequentially arranged in the hole of the plug mounting plate; secondly, encapsulating epoxy glue in a cavity at the tail part of the plug mounting plate for fixation; thirdly, the encapsulated plug mounting plate is arranged in the inner shell, then is arranged in the outer shell together, and is tightly riveted by a special clamp; fourthly, riveting the anti-wave sleeve and the crimping sleeve on the outer shell by using a special clamp; fifthly, the sealing gasket is arranged from the front side of the plug and is tightly attached to the plug mounting plate; and sixthly, finally, installing the expansion ring and the connecting screw cap on the outer shell, and installing the heat-shrinkable tube on the compression joint sleeve for heat-shrinkage fastening.

The plug and socket using method of the connector plug and socket comprises the steps of aligning the plug with the socket, rotating the plug and pushing the plug inwards slightly at the same time, rotating the connecting nut after the positioning sheet is inserted into the positioning groove of the socket, and screwing the plug on the socket.

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.