CN201230089Y - Radio frequency coaxial connector - Google Patents

Abstract

A radio frequency coaxial connector, which can be locked and matched with a butt connector, the radio frequency coaxial connector includes a cylindrical metal shell and a locking sleeve held on the metal shell, the metal shell A storage space for the insertion of the docking connector is formed in the body, and a step surface facing the docking connector is arranged in the storage space. The docking connector includes an outer shell, and the radio frequency coaxial connector is also provided with a buttress mounted on the step surface. The elastic conductive rubber ring, when the docking connector is inserted into the receiving space, the locking force makes the front surface of the outer shell and the step surface jointly clamp the elastic conductive rubber ring to achieve waterproof and electrical sealing. The radio frequency coaxial connector of the utility model adopts elastic conductive rubber, realizes waterproof and electrical sealing, and thus has low production cost.

Description

RF coaxial connector

【Technical field】

The utility model relates to a radio frequency coaxial connector, in particular to a waterproof and electrical sealing structure of the radio frequency coaxial connector.

【Background technique】

U.S. Patent No. US6709289 discloses a radio frequency coaxial connector, the radio frequency coaxial connector includes a metal shell, an insulator accommodated in the metal shell, a central terminal accommodated in the insulator, mounted on one end of the metal shell The metal shell is provided with a receiving space with an opening for the insertion of the docking connector, and the radio frequency coaxial connector is also provided with an elastic rubber ring installed inside the metal shell and installed in the receiving space. Space away from the elastic metal ring at the end of the opening , when the butt connector is inserted into the receiving space, the outer shell of the butt connector is squeezed with the rubber ring to achieve a waterproof seal, and the outer shell and the metal ring Mutually pressure to achieve an electrical seal.

In the prior art, the waterproof seal and the electrical seal are designed separately, so the number of parts is large, and the production cost is high.

【Content of utility model】

The technical problem to be solved by the utility model is to provide a low production cost radio frequency coaxial connector with waterproof and electrical sealing performance.

In order to solve the above problems, the utility model provides a radio frequency coaxial connector, which can be locked and matched with the docking connector. The radio frequency coaxial connector includes a cylindrical metal shell and is fixed on the metal shell A locking sleeve, the metal housing forms a storage space for the insertion of the docking connector, and a stepped surface facing the docking connector in the storage space, the docking connector includes an outer shell, and the radio frequency coaxial connector is also provided have Relying on the elastic conductive rubber ring installed on the step surface, when the docking connector is inserted into the receiving space, the locking force makes the front surface of the outer shell and the step surface clamp the elastic conductive rubber ring together to achieve waterproof and electrical sealing.

Compared with the prior art, the radio frequency coaxial connector of the utility model is equipped with an elastic conductive rubber ring in the accommodation space. The conductive rubber ring realizes waterproof and electrical sealing, requires fewer parts, and thus lowers the production cost.

【Description of drawings】

Fig. 1 is a perspective view of the radio frequency coaxial connector and the docking connector of the utility model.

FIG. 2 is a perspective view of the radio frequency coaxial connector shown in FIG. 1 mated with the docking connector.

FIG. 3 is an exploded view of the radio frequency coaxial connector shown in FIG. 1 .

FIG. 4 is a cross-sectional view of the radio frequency coaxial connector shown in FIG. 2 mated with the butt connector.

【Detailed ways】

As shown in FIGS. 1 to 4 , a radio frequency coaxial connector 100 according to the present invention can be locked and matched with a docking connector 200 . The radio frequency coaxial connector 100 includes a metal shell 10, an insulator 20 accommodated in the metal shell 10, a central terminal 30 accommodated in the insulator 20, a locking sleeve 40 fixed on the metal shell 10, and a The sliding sleeve 50 outside the locking sleeve 40 , the elastic conductive rubber ring 60 accommodated in the metal housing 10 , and the elastic positioning sleeve 70 accommodated in the metal housing 10 . The docking connector 200 includes an outer shell 210 , an insulator 220 accommodated in the outer shell 210 , and a center pin 230 accommodated in the insulator 220 .

大于容置部11的直

，从而在收容空间12内形成有面向对接连接器200的环形台阶面13，根据需要台阶面13也可以设计成其它形状。收容空间12内设有一环形凸肋121从而将收容空间12分隔成靠近容置部11的第一环形凹槽122、及远离容置部11的第二环形凹槽123。The metal shell 10 is a cylindrical structure, which includes an accommodating portion 11 for accommodating the insulator 20, and an accommodating space 12 connected with the accommodating portion 11 for accommodating the mating connector 200.

greater than the straight of the housing part 11

, so that an annular stepped surface 13 facing the mating connector 200 is formed in the receiving space 12, and the stepped surface 13 can also be designed in other shapes as required. An annular rib 121 is disposed in the receiving space 12 to divide the receiving space 12 into a first annular groove 122 close to the receiving portion 11 and a second annular groove 123 away from the receiving portion 11 .

The insulator 20 is accommodated in the accommodating portion 11 of the metal shell 10 , and the insulator 20 has a central through hole 21 . The central terminal 30 is held in the central through hole 21 of the insulator 20 .

The locking sleeve 40 is held on the outside of the metal shell 10, and the locking sleeve 40 can also be held on the inside of the metal shell 10. The locking sleeve 40 includes a cylindrical base 41 and a butt joint 200 from the base 41 to the docking connector 200. A plurality of elastic arms 42 extending in the direction, each elastic arm 42 is provided with a protrusion 421 on the inner side of the free end, when the butt connector 200 is inserted, the locking sleeve 40 is locked with the butt connector 200, the said An annular protrusion 211 is provided on the outer surface of the outer shell 210. The rear side 212 of the annular protrusion 211 is an inclined plane, which can also be designed as a vertical plane. The protrusion 421 on the elastic arm 42 is locked on the rear side 212 on.

The sliding sleeve 50 is a cylindrical structure, which is installed on the outside of the locking sleeve 40 and can slide along the direction of the central axis. A cylindrical fixing sleeve 80 can also be provided between the sliding sleeve 50 and the locking sleeve 40 to slide The inner side of one end of the sleeve 50 is provided with a matching portion 51, which can cooperate with the inner side of the free end of the spring arm 42 of the locking sleeve 40, when the sliding sleeve 50 is slid along the direction of insertion of the butt connector 200, the matching portion 51 The portion 51 can stretch each elastic arm 42 away from the central axis, so as to release the locking with the docking connector 200 .

靠在台阶面13上，对接连接器200锁扣在射频同轴连接器100中时，锁紧套40对外

体210的夹紧力将分成一沿中心轴线方向的力，从而使得外壳体210与弹性导电橡胶圈60相弹性

压，外壳体210设有前端面213，从而前端面213与台阶面13共同夹持弹性导电橡胶圈60而实现了防水及电气密封。The elastic conductive rubber ring 60 is installed in the first annular groove 122 and

Leaning on the step surface 13, when the docking connector 200 is locked in the RF coaxial connector 100, the locking sleeve 40

The clamping force of the body 210 will be divided into a force along the central axis direction, so that the outer shell 210 and the elastic conductive rubber ring 60 are elastic

The outer casing 210 is provided with a front end surface 213, so that the front end surface 213 and the stepped surface 13 clamp the elastic conductive rubber ring 60 together to realize waterproof and electrical sealing.

而方便安装到第二环形凹槽123内，当然也可以不设计断口72而采用现有及述中其他方法将弹性定位套70安装到金属壳体10内，对接连接器200插入后，所述侧壁71弹性挤压外壳体210，从而使得对接连接器200与射频同轴连接器100保持同轴连接。The elastic positioning sleeve 70 is a cylindrical structure, which is installed in the second annular groove 123. The side wall 71 of the elastic positioning sleeve 70 protrudes elastically inward, and the side wall 71 is provided with a fracture 72 so that the elastic positioning can be compressed. Set of 70 Straight

It is convenient to be installed in the second annular groove 123. Of course, the elastic positioning sleeve 70 can be installed in the metal shell 10 by using other methods mentioned above without designing the fracture 72. After the butt connector 200 is inserted, the The side wall 71 elastically presses the outer shell 210 , so that the docking connector 200 and the RF coaxial connector 100 maintain a coaxial connection.

Adopting the radio frequency coaxial connector 100 of the utility model, the elastic conductive rubber ring 60 is used to realize waterproof and electrical sealing when connecting with the docking connector 100, and the production parts are few, so that the production cost is low.

Claims (6)

1. A radio frequency coaxial connector, which can be locked and matched with a docking connector, the radio frequency coaxial connector includes a cylindrical metal shell and a locking sleeve held on the metal shell, the A storage space for the insertion of the docking connector is formed in the metal shell, and a stepped surface facing the docking connector is formed in the storage space. The docking connector includes an outer shell, and the feature is that the radio frequency coaxial connector is also provided with abutment The elastic conductive rubber ring installed on the step surface, when the docking connector is inserted into the receiving space, the locking force makes the front surface of the outer shell and the step surface clamp the elastic conductive rubber ring together to achieve waterproof and electrical sealing. 2. The radio frequency coaxial connector according to claim 1, characterized in that: the radio frequency coaxial connector is also provided with an elastic positioning sleeve accommodated in the accommodation space, and the side wall of the cylinder elastically protrudes toward the central axis , when the butt connector is inserted into the elastic positioning sleeve, the side wall of the elastic positioning sleeve elastically presses the outer casing. 3. The radio frequency coaxial connector according to claim 1, wherein the locking sleeve is fixed and installed on the outer side of the metal shell. 4. The radio frequency coaxial connector according to claim 3, wherein the locking sleeve comprises a cylindrical base, several elastic arms extending from the base to the direction of the docking connector, and the free ends of the elastic arms The inner side is provided with a protrusion, which is clamped on the rear side of the annular protrusion. 5. The radio frequency coaxial connector according to claim 4, characterized in that: the radio frequency coaxial connector is also provided with a cylindrical sliding sleeve installed on the outside of the locking sleeve and can slide along the direction of the central axis, The inner side of one end of the sliding sleeve is provided with a matching portion, and the matching portion is matched with the inner side of the spring arm of the locking sleeve. When the sliding sleeve is slid along the insertion direction of the docking connector, the matching portion can move the elastic arms away from the center. The axial direction is propped up. 6. The radio frequency coaxial connector according to claim 5, characterized in that: a fixed sleeve is provided between the metal shell and the sliding sleeve, the fixed sleeve is fixed on the metal shell, and the sliding sleeve Installed on the fixing sleeve.

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