CN209401908U - A kind of watertight connector - Google Patents

Abstract

The utility model discloses a kind of watertight connectors, comprising: shell forms a circular hole on the shell, and the circular hole axially penetrates through the shell；Inner waterproofing sealing unit in the circular hole is set；Inner conductor in the circular hole is set by the inner waterproofing sealing unit；And the outer waterproof seal unit on the housing exterior walls is set；Wherein, the inner waterproofing sealing unit includes one first insulator, an inner seal ring and one second insulator being sequentially sleeved on the inner conductor, and first insulator and second insulator are resisted against the opposite two sides of the inner seal ring；The outer waterproof seal unit includes an exterior seal ring, forms a bulge loop on the outer wall of the shell, and one is offered on the bulge loop for blocking the annular recess for setting the exterior seal ring.The watertight connector has the advantages that waterproof sealing effect is good.

Description

A kind of watertight connector

Technical field

The utility model relates to connector technique field more particularly to water proof type SMA connectors.

Background technique

Currently, the waterproof construction of most commonly seen SMA connector in the market are as follows: be put into rectangular seal in swivel nut to reach To the purpose of waterproof, still, this waterproof construction only realizes external waterproof, and interior waterproof is not implemented.Therefore, it is necessary to give It improves.

Utility model content

Shortcoming present in view of the above technology, the utility model, which provides one kind, can effectively improve waterproof sealing The watertight connector of performance.

The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of watertight connector, comprising: shell Body forms a circular hole on the shell, and the circular hole axially penetrates through the shell；The inner waterproofing being arranged in the circular hole is close Seal unit；Inner conductor in the circular hole is set by the inner waterproofing sealing unit；And it is arranged in the housing exterior walls On outer waterproof seal unit；Wherein, the inner waterproofing sealing unit includes one first be sequentially sleeved on the inner conductor Insulator, an inner seal ring and one second insulator, first insulator and second insulator are resisted against described interior close The inner ring of the opposite two sides of seal, the inner ring of first insulator and second insulator offsets with the inner conductor respectively It leans on, hole wall of the outer ring of the outer ring of first insulator and second insulator respectively with the circular hole leans, described The inner ring of inner seal ring leans with the inner conductor；The outer waterproof seal unit includes an exterior seal ring, the shell A bulge loop is formed on outer wall, and one is offered on the bulge loop for blocking the annular recess for setting the exterior seal ring.

Preferably, the bulge loop is molded over the middle part of the shell, is provided with outer spiral shell on the outer wall of the shell one end Line.

Preferably, it is formed on the hole wall of the circular hole for fastening first insulator and second insulator Hangnail.

Preferably, two hangnails are equidistantly provided on the circumferencial direction of the circular hole hole wall.

Preferably, the groove is dovetail groove.

Preferably, the inner seal ring and the exterior seal ring are O-ring seal.

Preferably, first insulator and second insulator are in annulus column.

Preferably, the ratio between the groove depth A of the groove and the thickness B of the bulge loop is 1:1.5.

Preferably, the ratio between the thickness B of the bulge loop and the length C of the shell is 1:7.

Preferably, the one end of the inner conductor extends to the outside of the shell.

The utility model compared with prior art, the beneficial effect is that: watertight connector provided by the utility model, It is provided with inner waterproofing sealing unit between shell and inner conductor, outer waterproof seal unit is provided on the outer wall of shell, thus real The waterproof sealing for having showed medial and lateral has the advantages that structure is simple, good water-proof effect；Inner waterproofing sealing unit includes one first Insulator, an inner seal ring and one second insulator, inner seal ring and the first insulator lean to form the first waterproof sealing Place F, inner seal ring and the second insulator lean to form G, the inner ring of inner seal ring and inner conductor phase at the second waterproof sealing Against to form E at third waterproof sealing, F at first waterproof sealing, G and the third waterproof sealing at second waterproof sealing Place E together forms the interior waterproof sealing of shell, has the advantages that waterproof sealing effect is good.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of watertight connector described in the utility model；

Fig. 2 is the schematic diagram of the section structure of the shell of the utility model.

In figure: 10, shell；11, circular hole；12, bulge loop；13, groove；14, hangnail；15, external screw thread；20, the first insulator； 30, inner seal ring；40, the second insulator；50, exterior seal ring；60, inner conductor.

Specific embodiment

The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art referring to explanation Book text can be implemented accordingly.

As depicted in figs. 1 and 2, the utility model provides a kind of watertight connector, comprising: shell 10, the shell A circular hole 11 is formed on 10, the circular hole 11 axially penetrates through the shell 10；The inner waterproofing being arranged in the circular hole 11 is close Seal unit；By the inner waterproofing sealing unit, the inner conductor 60 in the circular hole 11 is set；And it is arranged in the shell Outer waterproof seal unit on 10 outer walls；Wherein, the inner waterproofing sealing unit includes being sequentially sleeved on the inner conductor 60 One first insulator 20, an inner seal ring 30 and one second insulator 40, first insulator 20 and it is described second insulation The opposite two sides that son 40 is resisted against the inner seal ring 30, the inner ring of first insulator 20 and second insulator 40 Inner ring leans with the inner conductor 60 respectively, the outer ring point of the outer ring of first insulator 20 and second insulator 40 Hole wall not with the circular hole 11 leans, and the inner ring of the inner seal ring 30 leans with the inner conductor 60, this is practical new In type, the inner seal ring 30 leans with first insulator 20 to form F, the inner seal ring at the first waterproof sealing 30 with second insulator 40 lean with formed the second waterproof sealing at G, the inner seal ring 30 inner ring with it is described interior Conductor 60 leans to form E at third waterproof sealing, F at first waterproof sealing, G and the third at second waterproof sealing E together forms the interior waterproof sealing of the shell 10 at waterproof sealing；The outer waterproof seal unit includes an external seal Circle 50 forms a bulge loop 12 on the outer wall of the shell 10, offered on the bulge loop 12 one for block set the external seal 50 annular recess 13 is enclosed, forms H at the 4th waterproof sealing between the exterior seal ring 50 component connected to it.

As an embodiment of this programme, as depicted in figs. 1 and 2, the bulge loop 12 is molded over the middle part of the shell 10, External screw thread 15 is provided on the outer wall of 10 one end of shell.

As an embodiment of this programme, as depicted in figs. 1 and 2, form on the hole wall of the circular hole 11 for fastening The hangnail 14 of first insulator 20 and second insulator 40.

As an embodiment of this programme, as depicted in figs. 1 and 2, on the circumferencial direction of 11 hole wall of circular hole at equal intervals There are two the hangnails 14 for setting.

As an embodiment of this programme, as depicted in figs. 1 and 2, the groove 13 is dovetail groove.

As an embodiment of this programme, as depicted in figs. 1 and 2, the inner seal ring 30 and the exterior seal ring 50 are O Type sealing ring.

As an embodiment of this programme, as depicted in figs. 1 and 2, first insulator 20 and second insulator 40 be in annulus column.

As an embodiment of this programme, as depicted in figs. 1 and 2, the thickness of the groove depth A of the groove 13 and the bulge loop 12 The ratio spent between B is 1:1.5.

As an embodiment of this programme, as depicted in figs. 1 and 2, the length of the thickness B of the bulge loop 12 and the shell 10 The ratio spent between C is 1:7.

As an embodiment of this programme, as depicted in figs. 1 and 2, the one end of the inner conductor 60 extends to the shell The outside of body 10.

Although the embodiments of the present invention have been disclosed as above, it is not limited in institute in specification and embodiments Column use, it can be applied to various fields suitable for the present invention completely, for those skilled in the art, can Easily realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, this is practical It is novel to be not limited to specific details and legend shown and described herein.

Claims (10)

1. a kind of watertight connector characterized by comprising

Shell (10) forms a circular hole (11) on the shell (10), and the circular hole (11) axially penetrates through the shell (10)；

Inner waterproofing sealing unit in the circular hole (11) is set；

The inner conductor (60) being arranged in the circular hole (11) by the inner waterproofing sealing unit；And

Outer waterproof seal unit on the shell (10) outer wall is set；

Wherein, the inner waterproofing sealing unit include be sequentially sleeved on the inner conductor (60) one first insulator (20), One inner seal ring (30) and one second insulator (40), first insulator (20) and second insulator (40) are resisted against The opposite two sides of the inner seal ring (30), the inner ring of first insulator (20) and the inner ring of second insulator (40) It leans respectively with the inner conductor (60), the outer ring of first insulator (20) and the outer ring of second insulator (40) The hole wall with the circular hole (11) leans respectively, and inner ring and the inner conductor (60) of the inner seal ring (30) lean； The outer waterproof seal unit includes an exterior seal ring (50), forms a bulge loop (12), institute on the outer wall of the shell (10) It states and offers one on bulge loop (12) for blocking the annular recess (13) for setting the exterior seal ring (50).

2. watertight connector as described in claim 1, which is characterized in that the bulge loop (12) is molded over the shell (10) Middle part, be provided with external screw thread (15) on the outer wall of shell (10) one end.

3. watertight connector as described in claim 1, which is characterized in that form and be used on the hole wall of the circular hole (11) Fasten the hangnail (14) of first insulator (20) and second insulator (40).

4. watertight connector as claimed in claim 3, which is characterized in that on the circumferencial direction of circular hole (11) hole wall etc. It is arranged at intervals with two hangnails (14).

5. watertight connector as described in claim 1, which is characterized in that the groove (13) is dovetail groove.

6. watertight connector as described in claim 1, which is characterized in that the inner seal ring (30) and the exterior seal ring It (50) is O-ring seal.

7. watertight connector as described in claim 1, which is characterized in that first insulator (20) and described second is absolutely Edge (40) is in annulus column.

8. watertight connector as described in claim 1, which is characterized in that the groove depth A and the bulge loop of the groove (13) (12) the ratio between thickness B is 1:1.5.

9. watertight connector as described in claim 1, which is characterized in that the thickness B and the shell of the bulge loop (12) (10) the ratio between length C is 1:7.

10. watertight connector as described in claim 1, which is characterized in that the one end of the inner conductor (60) extends to The outside of the shell (10).