CN211655162U

CN211655162U - Coaxial waterproof connector

Info

Publication number: CN211655162U
Application number: CN201922358233.XU
Authority: CN
Inventors: 古洪勇
Original assignee: Shenzhen Sihanming Technology Co ltd
Current assignee: Shenzhen Sihanming Technology Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-10-09
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a coaxial waterproof connector, including shell body and coaxial line, be provided with the outer conductor in the shell body, the coaxial line extends to enter into in the shell body, the coaxial line main part is located the rear of outer conductor, the sinle silk of coaxial line stretches into in the outer conductor is in with being connected to the setting on the inner conductor in the outer conductor, it is used for with to cup joint on the outer conductor oppression fastening is to crimping pipe on the coaxial line. The utility model discloses think about novelty, reasonable in design, and convenient to use, the utility model discloses a first sealing washer, third sealing washer, fourth sealing washer to and the combination of sealing plug and sealed lid realizes that the axial is waterproof, the second sealing washer realizes radially waterproof for holistic water-proof effects is good, and the reliability when using is better.

Description

Coaxial waterproof connector

Technical Field

The utility model relates to a connector technical field, in particular to coaxial waterproof connector.

Background

The existing automobile coaxial connector has no waterproof function completely or only has a single axial waterproof mode, but the waterproof requirement of the automobile or the automobile industry on the market on the aspect of the connector is higher and higher at present, the demand is more and more urgent, and a reliable waterproof scheme is urgently needed.

SUMMERY OF THE UTILITY MODEL

In view of the problems that the existing connector is poor in waterproof performance and does not meet the reliable use requirement, the utility model provides a coaxial waterproof connector, which comprises an outer shell and a coaxial wire, wherein an outer conductor is arranged in the outer shell, the coaxial wire extends into the outer shell, a main body of the coaxial wire is positioned behind the outer conductor, a wire core of the coaxial wire extends into the outer conductor to be connected to the inner conductor arranged in the outer conductor, and a crimping pipe used for compressing and fastening the outer conductor to the coaxial wire is sleeved on the outer conductor; a first ring groove, a second ring groove, a third ring groove and a fourth ring groove are arranged on the periphery of the outer conductor from front to back, first sealing rings, second sealing rings, third sealing rings and fourth sealing rings are respectively arranged on the first ring groove, the second ring groove, the third ring groove and the fourth ring groove in a one-to-one correspondence mode, the first sealing rings and the second sealing rings are tightly arranged between the outer conductor and the outer shell body, and the third sealing rings and the fourth sealing rings are tightly arranged between the outer conductor and the crimping pipe; the coaxial line is provided with a sealing cover and a sealing plug which are connected with each other, the sealing plug is positioned in front of the sealing cover, the outer surface of the sealing plug forms a sealing ring through protrusion to be abutted against the inner wall of the outer shell for sealing, and the sealing cover is plugged into the outer shell and is elastically matched for sealing;

the second annular groove is formed by a first annular boss and a second annular boss which are respectively formed in the front and the back, the second annular boss is higher than the first annular boss, and the second sealing ring protrudes out of the peripheral table surface of the first annular boss; the inner wall of shell body is provided with the cyclic annular boss of shell, the cyclic annular boss of shell with first cyclic annular boss radial position is relative, just the border of the cyclic annular boss of shell to the second sealing washer stretches out and court the extrusion of the cyclic annular boss direction of second the second sealing washer.

Further, preferably, the first seal ring is a double-strand seal ring.

Further, as preferred, the front and back of second annular groove forms first cyclic annular boss and the cyclic annular boss of second respectively, the cyclic annular boss of second is higher than first cyclic annular boss, the outer peripheral mesa of first cyclic annular boss and the cyclic annular boss of second all conflicts the inner wall of shell body.

Preferably, the inner wall of the outer shell is provided with an outer shell annular boss, and an inner peripheral mesa of the outer shell annular boss abuts against an outer peripheral mesa of the first annular boss.

Further, preferably, the rear end of the crimp tube is tightly fitted over the sealing plug to achieve sealing.

Further, preferably, the third seal ring and the fourth seal ring have the same outer diameter.

Preferably, a clamping ring groove for clamping is formed in front of the first annular boss, a clamping window is correspondingly formed in the outer shell, and a clamping ring with a hoop-shaped structure is further arranged on the outer shell.

Further, as preferred, the shell body is provided with an observation window for observing the first sealing ring, and the number of the observation windows is at least one.

Further, preferably, the observation window is located opposite to the first seal ring.

Has the advantages that: the utility model discloses think about novelty, reasonable in design, and convenient to use, the utility model discloses a first sealing washer, third sealing washer, fourth sealing washer to and the combination of sealing plug and sealed lid realizes that the axial is waterproof, the second sealing washer realizes radially waterproof for holistic water-proof effects is good, and the reliability when using is better.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic sectional structure diagram in an embodiment of the present invention.

Fig. 3 is an exploded schematic view in an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of an observation window in an embodiment of the present invention.

Detailed Description

The invention will be further explained with reference to the following figures and examples:

as shown in fig. 1-4, a coaxial waterproof connector has an outer housing 1 and a coaxial wire 3, wherein an outer conductor 2 is arranged in the outer housing 1, the coaxial wire 3 extends into the outer housing 1, the main body of the coaxial wire 3 is positioned behind the outer conductor 2, a wire core of the coaxial wire 3 extends into the outer conductor 2 to be connected to an inner conductor 4 arranged in the outer conductor 2, and a crimping tube 5 for pressing and fastening the outer conductor 2 to the coaxial wire 3 is sleeved on the outer conductor 4; the periphery of the outer conductor 2 is provided with a first ring groove 2a, a second ring groove 2b, a third ring groove 2c and a fourth ring groove 2d from front to back, the first ring groove 2a, the second ring groove 2b, the third ring groove 2c and the fourth ring groove 2d are respectively provided with a first sealing ring 6, a second sealing ring 7, a third sealing ring 8 and a fourth sealing ring 9 in a one-to-one correspondence manner, the first sealing ring 6 and the second sealing ring 7 are tightly arranged between the outer conductor 2 and the outer shell 1, and the third sealing ring 8 and the fourth sealing ring 9 are tightly arranged between the outer conductor 2 and the crimping pipe 5; a sealing cover 10 and a sealing plug 12 which are connected with each other are arranged on the coaxial line 3, the sealing plug 12 is positioned in front of the sealing cover 10, the outer surface of the sealing plug 12 is propped against the inner wall of the outer shell 1 through a sealing ring 12a formed by protrusion to seal, and the sealing cover 10 is plugged into the outer shell 1 and sealed through elastic fit; the second ring groove 2b is formed by a first annular boss 2e and a second annular boss 2f which are respectively formed in the front and the back, the second annular boss 2f is higher than the first annular boss 2e, and the second sealing ring 7 protrudes out of the peripheral table surface of the first annular boss 2 e; the inner wall of the outer shell 1 is provided with an outer shell annular boss 1a, the outer shell annular boss 1a is opposite to the radial position of the first annular boss 2e, and the edge of the outer shell annular boss 1a extends towards the second sealing ring 7 and extrudes the second sealing ring 7 towards the direction of the second annular boss 2 f. In coaxial connector, the utility model provides an foretell radial waterproof construction has realized radial waterproof, because waterproof construction can strengthen waterproofly through the increase in quantity, consequently adopts a plurality of above-mentioned radial waterproof constructions also should regard as the equivalence with this scheme. Additionally, the utility model discloses in, four sealing washers adopt elastic material or structure to make, when playing sealed effect, utilize the elasticity cooperation external force extrusion of self to accomplish.

The utility model discloses an among the basic scheme, at first in basic design, outer conductor 2 sets up in outer casing 1, consequently, through set up first annular 2a and second annular 2b on outer conductor 2 to set up first sealing washer 6 and second sealing washer 7 respectively in first annular 2a and second annular 2b and realize sealing between outer conductor 2 and the shell body 1. For the same reason, the third ring groove 2c and the fourth ring groove 2d are provided, and the third seal ring 8 and the fourth seal ring 9 are provided inside thereof to seal between the outer conductor 2 and the crimp tube 5. Sealing is furthermore achieved by arranging the sealing cap 10 and the sealing plug 12 to the end position of the outer casing 1. The sealing of the sealing plug 12 is performed in particular by means of a sealing ring 12 a. In the above independent sealing structures, the combination of the first sealing ring 6, the third sealing ring 8, the fourth sealing ring 9, the sealing cover 10 and the sealing plug 12 realizes axial sealing, and the second sealing ring 7 realizes radial sealing. So, the multiple seal structure of setting realizes holistic sealed, and waterproof nature is better, and the result of use is better. In addition, it should be separately noted that the second annular groove 2b is formed by the first annular projection 2e and the second annular projection 2f at a certain interval, that is, the side wall of the second annular groove 2b is the side surface of the first annular projection 2e opposite to the second annular projection 2f, and the width of the second annular groove 2b is the interval between the first annular projection 2e and the second annular projection 2 f. By first cyclic annular boss 2e, the cyclic annular boss 2f of second, the annular boss 1a of shell and the inner wall of shell body 1 enclose a holistic cavity including second annular groove 2b, be used for setting up second sealing washer 7, because second sealing washer 7 emits first cyclic annular boss 2e, this product is when the assembly, install second sealing washer 7 in second annular groove 2b earlier, and promote outer conductor 2 from the back forward, when the assembly targets in place, the border of the cyclic annular boss 1a of shell is for extrudeing second sealing washer 7 to the cyclic annular boss 2f of second, be an oblique extrusion, this kind of extrusion causes second sealing washer 7 to produce deformation, play waterproof role, because this kind of oblique extruded structure seal has satisfied the radial ascending seal in corresponding position, consequently can regard as a radial waterproof structure.

Preferably, the first seal 6 is a double seal. In this preferred scheme, the sealed effect that adopts double-strand sealing washer is better.

Preferably, the outer peripheral mesas of the first annular boss 2e and the second annular boss 2f both abut against the inner wall of the outer housing 1. In the preferred embodiment, a specific configuration of the second annular groove 2b is provided, and a better contact effect is also formed by forming the first annular projection 2e and the second annular projection 2 f.

Preferably, the inner peripheral land of the housing annular boss 1a abuts against the outer peripheral land of the first annular boss 2 e. In the preferred embodiment, a specific contact structure between the outer housing 1 and the outer conductor 2 is provided.

Preferably, the rear end of the crimp tube 5 is tightly fitted over the sealing plug 12 to effect a seal. In the preferred scheme, the sealing is realized through the sleeving structure of the crimping pipe 5 and the sealing plug 12, and the sealing effect is better.

Preferably, the third seal ring 8 and the fourth seal ring 9 have the same outer diameter.

Preferably, a clamping ring groove 2g for clamping is arranged in front of the first annular boss 2e, a clamping window 1b is correspondingly arranged on the outer shell 1, and a clamping ring 11 with a hoop-shaped structure is additionally arranged, wherein the clamping ring 11 penetrates through the clamping window 1b and extends into the outer shell 1 to be clamped and fixed in the clamping ring groove 2g to fix the outer conductor 2. In the present preferred embodiment, the outer conductor 2 is provided more stably.

Preferably, an observation window 1c for observing the first sealing ring 6 is formed in the outer shell 1, and the number of the observation windows 1c is at least one. In this preferred embodiment, the observation window 1c is provided to observe the installation condition of the first seal ring 6, so as to determine the waterproof effect of the first seal ring 6. Because the essence of first sealing washer 6 is in the utility model discloses a play main waterproof part's effect among the waterproof construction, consequently realized the visualization of its waterproof nature aassessment through seting up observation window 1c, further guarantee the product more and produce and when using to its waterproof performance's assurance. In specific implementation, a plurality of observation windows 1c may be provided, or only one observation window may be provided, depending on the situation.

Preferably, the observation window 1c is located opposite to the first gasket 6. In the preferred embodiment, the observation window 1c is arranged opposite to the position of the first sealing ring 6, so that the observation of the first sealing ring 6 is more accurate.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. A coaxial waterproof connector characterized by: the coaxial cable comprises an outer shell (1) and a coaxial cable (3), wherein an outer conductor (2) is arranged in the outer shell (1), the coaxial cable (3) extends into the outer shell (1), a main body of the coaxial cable (3) is positioned behind the outer conductor (2), a cable core of the coaxial cable (3) extends into the outer conductor (2) to be connected to an inner conductor (4) arranged in the outer conductor (2), and a crimping pipe (5) used for compressing and fastening the outer conductor (2) to the coaxial cable (3) is sleeved on the outer conductor (2); a first annular groove (2a), a second annular groove (2b), a third annular groove (2c) and a fourth annular groove (2d) are arranged on the periphery of the outer conductor (2) from front to back, first sealing rings (6), second sealing rings (7), third sealing rings (8) and fourth sealing rings (9) are respectively arranged on the first annular groove (2a), the second annular groove (2b), the third annular groove (2c) and the fourth annular groove (2d) in a one-to-one correspondence manner, the first sealing rings (6) and the second sealing rings (7) are tightly arranged between the outer conductor (2) and the outer shell (1), and the third sealing rings (8) and the fourth sealing rings (9) are tightly arranged between the outer conductor (2) and the crimping pipe (5); a sealing cover (10) and a sealing plug (12) which are connected with each other are arranged on the coaxial line (3), the sealing plug (12) is positioned in front of the sealing cover (10), the outer surface of the sealing plug (12) is propped against the inner wall of the outer shell (1) through a sealing ring (12a) formed by protrusion to seal, and the sealing cover (10) is plugged into the outer shell (1) and is sealed through elastic fit;

the second annular groove (2b) is formed by a first annular boss (2e) and a second annular boss (2f) which are formed in the front and at the back respectively, the second annular boss (2f) is higher than the first annular boss (2e), and the second sealing ring (7) protrudes out of the peripheral table surface of the first annular boss (2 e); the inner wall of shell body (1) is provided with the cyclic annular boss of shell (1a), the cyclic annular boss of shell (1a) with first cyclic annular boss (2e) radial position is relative, just the border of the cyclic annular boss of shell (1a) to second sealing washer (7) stretch out and towards the extrusion of the cyclic annular boss of second (2f) direction second sealing washer (7).

2. Coaxial watertight connector according to claim 1, characterized in that the first sealing ring (6) is a double sealing ring.

3. Coaxial watertight connector according to claim 2, characterized in that the peripheral lands of the first annular projection (2e) and the second annular projection (2f) each abut against the inner wall of the outer housing (1).

4. A coaxial watertight connector according to claim 3, characterized in that the inner peripheral lands of the housing annular projections (1a) abut against the outer peripheral lands of the first annular projections (2 e).

5. A coaxial watertight connector according to claim 4, characterized in that the rear end of the crimp tube (5) is tightly sleeved onto the sealing plug (12) to achieve sealing.

6. Coaxial watertight connector according to claim 5, characterized in that the third sealing ring (8) and the fourth sealing ring (9) have the same outer diameter.

7. The coaxial waterproof connector according to claim 6, wherein a clamping ring groove (2g) for clamping is arranged in front of the first annular boss (2e), a clamping window (1b) is correspondingly arranged on the outer housing (1), and a clamping ring (11) with a hoop-shaped structure is further arranged, and the clamping ring (11) penetrates through the clamping window (1b) and extends into the outer housing (1) to be clamped into the clamping ring groove (2g) to fix the outer conductor (2).

8. The coaxial waterproof connector according to any one of claims 1 to 7, characterized in that the outer housing (1) is provided with an observation window (1c) for observing the first sealing ring (6), and the number of the observation windows (1c) is at least one.

9. Coaxial watertight connector according to claim 8, characterized in that the viewing window (1c) is located opposite the first sealing ring (6).