阅读说明：本技术 一种采用铆紧及双层密封方式的射频连接装置 (Radio frequency connecting device adopting riveting and double-layer sealing modes ) 是由 吴刚 于 2019-09-20 设计创作，主要内容包括：本发明涉及一种采用铆紧及双层密封方式的射频连接装置,其特征在于：包括相互插接在一起的第一射频连接头(A)和第二射频连接头(B),以及包围设置在所述第一射频连接头(A)和第二射频连接头(B)外部的螺纹套(C)；接触头采用压配后再铆紧的固定方式,易于加工,使得第一壳体端头向径向内部收缩收紧变形,将内部接触头的固定端包裹收紧于第一壳体端头的内部,在不添加外部固定件的前提下实现接触头的稳定安装；将机械轴向定位面设置于右端位置,且在机械轴向定位面的径向内侧和径向外侧位置分别对应设置有第一密封圈和第二密封圈,从而在机械轴向定位面位置的径向内、外侧同时实现密封保护,进一步提高防水性能。(The invention relates to a radio frequency connecting device adopting riveting and double-layer sealing modes, which is characterized in that: the radio frequency connector comprises a first radio frequency connector (A), a second radio frequency connector (B) and a threaded sleeve (C), wherein the first radio frequency connector (A) and the second radio frequency connector (B) are spliced together, and the threaded sleeve (C) surrounds the first radio frequency connector (A) and the second radio frequency connector (B); the contact adopts a fixing mode of riveting after press fitting, is easy to process, so that the end head of the first shell contracts, tightens and deforms radially inwards, the fixed end of the internal contact is wrapped and tightened in the end head of the first shell, and the stable installation of the contact is realized on the premise of not adding an external fixing piece; set up mechanical axial positioning face in right-hand member position, and correspond respectively in the radial inboard and the radial outside position of mechanical axial positioning face and be provided with first sealing washer and second sealing washer to realize sealed protection simultaneously in the radial inside, the outside of mechanical axial positioning face position, further improve waterproof performance.)

1. The utility model provides an adopt radio frequency connecting device of riveting and double-deck sealed mode which characterized in that: the radio frequency connector comprises a first radio frequency connector (A), a second radio frequency connector (B) and a threaded sleeve (C), wherein the first radio frequency connector (A) and the second radio frequency connector (B) are spliced together, and the threaded sleeve (C) surrounds the first radio frequency connector (A) and the second radio frequency connector (B); wherein the content of the first and second substances,

The first radio frequency connector (A) comprises a first insulator (A1) and a first shell (A2), wherein the first shell (A2) is fixedly arranged on the periphery of the first insulator (A1), a first shell end head (A2-1) is arranged at the left end of the first shell (A2) in a protruding manner, a radial gap (A2-2) exists between the first shell end head (A2-1) and the first insulator (A1), a contact head (A3) is arranged in the radial gap (A2-2), a first sealing groove (A2-3) is concavely arranged at the right end, located at the first shell end head (A2-1), of the outer wall of the first shell (A2), a first sealing ring (A5) is arranged in the first sealing groove (A2-3), and a concave ring groove (A6864-6864) is arranged at the right end, located at the first sealing groove (A2-3), of the outer wall of the first shell (A2), a positioning snap ring (A4) is arranged in the snap ring groove (A2-4);

The second radio frequency connector (B) comprises a second insulator (B1) and a second shell (B2), wherein the second shell (B2) is fixedly arranged on the periphery of the second insulator (B1), a second shell end head (B2-1) is convexly arranged at the right end of the second shell (B2), the inner wall of the second shell end (B2-1) is abutted with the first sealing ring (A5), the outer wall of the second shell end (B2-1) is abutted with a second sealing ring (A6), the second sealing ring (A6) is arranged in a second sealing groove (C1) on the inner wall of the thread bushing (C), a contact end (B2-2) which is contacted with the contact head (A3) is arranged at the middle part of the second shell (B2), a third sealing groove (B2-3) is concavely arranged on the outer wall of the left end of the second shell (B2), a third sealing ring (B3) is arranged in the third sealing groove (B2-3);

The contact head (A3) comprises a fixed section (A3-1) close to one side of the first radio-frequency connector (A) and a contact section (A3-2) close to one side of the second radio-frequency connector (B), wherein the fixed section (A3-1) is located inside the radial gap (A2-2), the position of the fixed section (A3-1) contained in the first shell end (A2-1) is riveted tightly, the cross section of the contact section (A3-2) is arranged in an inclined mode, and the radial size of the inner hole wall of the left end of the contact section (A3-2) is larger than that of the inner hole wall of the fixed section (A3-1).

2. the radio frequency connection device according to claim 1, wherein: the position of the first shell end (A2-1) containing the fixed section (A3-1) is riveted, so that the section of the contact section (A3-2) is obliquely arranged, and the left end of the contact section (A3-2) is radially positioned between the inner hole wall of the fixed section (A3-1) and the outer wall of the fixed section (A3-1).

3. The radio frequency connection device according to claim 1, wherein: the cross-sectional area of the first seal ring (A5) is smaller than the cross-sectional area of the second seal ring (A6).

4. The radio frequency connection device according to claim 1, wherein: the axial length of the fixed segment (A3-1) is smaller than the axial length of the radial gap (A2-2).

5. The radio frequency connection device according to claim 1, wherein: when the first radio frequency connector (A) and the second radio frequency connector (B) are inserted into each other, a gap exists between the contact section (A3-2) and the second insulator (B1) in the axial direction.

6. the radio frequency connection device according to claim 1, wherein: after first radio frequency connector (A) and second radio frequency connector (B) pegged graft each other and accomplish, first casing end (A2-1) with there is the clearance in the axial between second radio frequency connector (B), second casing end (B2-1) with first radio frequency connector (A) butt in the axial.

7. the radio frequency connection device according to claim 1, wherein: the second sealing ring (A6) is close to in the axial direction on one side of the first radio frequency connector (A), the third sealing ring (B3) is close to in the axial direction on one side of the second radio frequency connector (B), the first sealing ring (A5) is located in the axial direction between the second sealing ring (A6) and the third sealing ring (B3).

8. The radio frequency connection device according to claim 1, wherein: after the first radio frequency connector (A) and the second radio frequency connector (B) are mutually inserted, the second sealing ring (A6) is simultaneously abutted with the second shell end (B2-1) and the first shell (A2).

9. The radio frequency connection device according to claim 1, wherein: the inner wall of the threaded sleeve (C) is in threaded connection with the outer wall of the second radio-frequency connector (B).

10. The radio frequency connection device according to claim 1, wherein: the first sealing ring (A5), the second sealing ring (A6) and the third sealing ring (B3) are made of silicon rubber.

Technical Field

The invention relates to a radio frequency connecting device, in particular to a radio frequency connecting device adopting riveting and double-layer sealing modes.

background

as a novel low intermodulation quick connector, the NEX10 connector has the advantages of stable and reliable connection and excellent transmission performance, and a mass-produced NEX10 connector is already available in the market at present, but the overall size of the contact is smaller, and the design precision requirement is high, so that the processing difficulty is high, the processing cost is high, and the assembly difficulty is high when the contact is pressed into the connector;

Meanwhile, when the first radio frequency connector and the second radio frequency connector are connected in an inserting mode in the prior art, the axial mechanical positioning surface is close to the left end, only the radial inner side of the right end is provided with the single sealing ring, and after the inserting is completed, due to the fact that the axial positioning is achieved through the axial mechanical positioning surface of the left end, the risk that the single sealing ring is corroded and damaged due to the fact that moisture enters from the right end exists.

disclosure of Invention

In order to overcome the defects and shortcomings in the prior art, the invention provides the radio frequency connecting device adopting the riveting and double-layer sealing modes.

The technical scheme adopted by the invention for solving the technical problems is as follows:

The utility model provides an adopt radio frequency connecting device of riveting and double-deck sealed mode which characterized in that: the radio frequency connector comprises a first radio frequency connector, a second radio frequency connector and a threaded sleeve, wherein the first radio frequency connector and the second radio frequency connector are mutually inserted together, and the threaded sleeve is arranged outside the first radio frequency connector and the second radio frequency connector in a surrounding manner; wherein the content of the first and second substances,

The first radio frequency connector comprises a first insulator and a first shell, wherein the first shell is fixedly arranged on the periphery of the first insulator, a first shell end is convexly arranged at the left end of the first shell, a radial gap exists between the first shell end and the first insulator, a contact head is arranged in the radial gap, a first sealing groove is concavely arranged at the right end, located at the first shell end, of the outer wall of the first shell, a first sealing ring is arranged in the first sealing groove, a clamping ring groove is concavely arranged at the right end, located at the first sealing groove, of the outer wall of the first shell, and a positioning clamping ring is arranged in the clamping ring groove;

The second radio frequency connector comprises a second insulator and a second shell, wherein the second shell is fixedly arranged on the periphery of the second insulator, a second shell end is arranged at the right end of the second shell in a protruding mode, the inner wall of the second shell end is abutted to the first sealing ring, the outer wall of the second shell end is abutted to the second sealing ring, the second sealing ring is arranged in a second sealing groove in the inner wall of the threaded sleeve, a contact end in contact with the contact head is arranged in the middle of the second shell, a third sealing groove is concavely arranged on the outer wall of the left end of the second shell, and a third sealing ring is arranged in the third sealing groove;

The contact head is including being close to the canned paragraph of first radio frequency connector one side and being close to the contact section of second radio frequency connector one side, wherein the canned paragraph is located inside the radial clearance, and first casing end holds the position of canned paragraph makes the cross-section slope setting of contact section after the riveting, just the radial dimension of the interior pore wall of contact section left end is greater than the radial dimension of the interior pore wall of canned paragraph.

Furthermore, the position of the first shell end head, which contains the fixed section, is riveted tightly, so that the cross section of the contact section is arranged in an inclined manner, and the left end of the contact section is radially positioned between the inner hole wall of the fixed section and the outer wall of the fixed section.

Further, the cross-sectional area of the first seal ring is smaller than the cross-sectional area of the second seal ring.

Further, an axial length of the fixation section is less than an axial length of the radial gap.

Furthermore, after the first radio frequency connector and the second radio frequency connector are mutually inserted, a gap exists between the contact section and the second insulator in the axial direction.

furthermore, after the first radio frequency connector and the second radio frequency connector are mutually inserted and connected, a gap exists between the first shell end and the second radio frequency connector in the axial direction, and the second shell end is abutted to the first radio frequency connector in the axial direction.

Further, the second sealing ring is close to one side of the first radio frequency connector in the axial direction, the third sealing ring is close to one side of the second radio frequency connector in the axial direction, and the first sealing ring is located between the second sealing ring and the third sealing ring in the axial direction.

Furthermore, after the first radio frequency connector and the second radio frequency connector are mutually inserted, the second sealing ring is simultaneously abutted against the end of the second shell and the first shell.

Further, the inner wall of the threaded sleeve is in threaded connection with the outer wall of the second radio-frequency connector.

Furthermore, the first sealing ring, the second sealing ring and the third sealing ring are made of silicon rubber.

The invention has the beneficial effects that:

1) The contact adopts the fixed mode of riveting again after the pressure is joined in marriage, easily processing for first casing end contracts to radially inside and tightens up the deformation, tightens up the stiff end parcel of inside contact in the inside of first casing end, realizes the stable installation of contact under the prerequisite that does not add external fixing spare.

2) set up mechanical axial positioning face in right-hand member position, and correspond respectively in the radial inboard and the radial outside position of mechanical axial positioning face and be provided with first sealing washer and second sealing washer to realize sealed protection simultaneously in the radial inside, the outside of mechanical axial positioning face position, further improve waterproof performance.

Drawings

FIG. 1 is a schematic structural diagram of a first RF connector according to the present invention;

Fig. 2 is a schematic structural diagram of the first rf connector and the second rf connector after completing the insertion connection according to the present invention.

Detailed Description

the present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1-2, a radio frequency connector using riveting and double-layer sealing method includes a first radio frequency connector a and a second radio frequency connector B which are inserted into each other, and a thread sleeve C surrounding the first radio frequency connector a and the second radio frequency connector B; wherein the content of the first and second substances,

The first radio frequency connector A comprises a first insulator A1 and a first shell A2, wherein the first shell A2 is fixedly arranged on the periphery of the first insulator A1, a first shell end A2-1 is convexly arranged at the left end of the first shell A2, a radial gap A2-2 exists between the first shell end A2-1 and the first insulator A1, a contact A3 is arranged in the radial gap A2-2, a first sealing groove A2-3 is concavely arranged at the right end, located at the first shell end A2-1, of the outer wall of the first shell A2, a first sealing ring A5 is arranged in the first sealing groove A2-3, a clamping ring groove A2-4 is arranged at the right end, located at the first sealing groove A2-3, of the outer wall of the first shell A2, and a positioning clamping ring A4 is arranged in the clamping ring groove A2-4 to achieve axial positioning of the threaded sleeve C;

The second radio frequency connector B comprises a second insulator B1 and a second shell B2, wherein the second shell B2 is fixedly arranged on the periphery of the second insulator B1, a second shell end B2-1 is convexly arranged at the right end of the second shell B2, the inner wall of the second shell end B2-1 is abutted against the first sealing ring A5, the outer wall of the second shell end B2-1 is abutted against the second sealing ring A6, the second sealing ring A6 is arranged in a second sealing groove C1 on the inner wall of the threaded sleeve C, the contact surface of the right end of the second shell end B2-1 and the first shell A2 is an axial mechanical positioning surface, the mechanical axial positioning surface is arranged at the right end position, and the first sealing ring and the second sealing ring are correspondingly arranged at the radial inner side and the radial outer side of the mechanical axial positioning surface respectively, so that the sealing protection is realized at the radial inner side and the radial outer side of the mechanical axial positioning surface position simultaneously, the waterproof performance is further improved; a contact end B2-2 which is in contact with a contact head A3 is arranged in the middle of the second shell B2, a third sealing groove B2-3 is concavely arranged on the outer wall of the left end of the second shell B2, and a third sealing ring B3 is arranged in the third sealing groove B2-3, so that the thread bushing C is sealed through the third sealing ring B3;

The contact A3 comprises a fixed section A3-1 close to one side of the first radio-frequency connector A and a contact section A3-2 close to one side of the second radio-frequency connector B, wherein the fixed section A3-1 is located inside the radial gap A2-2, the position of the first shell end A2-1, which contains the fixed section A3-1, is riveted to enable the section of the contact section A3-2 to be obliquely arranged, the radial dimension of the inner hole wall of the left end of the contact section A3-2 is larger than that of the inner hole wall of the fixed section A3-1, so that the first shell end contracts and deforms towards the radial direction, the fixed end of the inner contact is wrapped and tightened inside the first shell end, and stable installation of the contact is achieved on the premise that no external fixing piece is added.

Specifically, the position of the first housing end A2-1, which contains the fixed section A3-1, is riveted to enable the cross section of the contact section A3-2 to be inclined, and the left end of the contact section A3-2 is located between the inner hole wall of the fixed section A3-1 and the outer wall of the fixed section A3-1 in the radial direction, so that the convenient installation of the contact head A3 is realized, and the phenomenon that the radial size of the inner hole wall of the left end of the contact section A3-2 is too large to cause the blockage of the contact end B2-2 and the bending of the inner hole wall to influence the plugging performance is avoided.

Specifically, the cross-sectional area of the first seal ring a5 is smaller than the cross-sectional area of the second seal ring a6, and since the second seal ring a6 is located radially outward, it is necessary to withstand insertion abrasion with a relatively large frequency of use and a greater possible risk of water leakage, and therefore it is necessary to set the cross-sectional area of the second seal ring a6 located radially outward larger than the cross-sectional area of the first seal ring a5 located radially inward.

Specifically, the axial length of the fixed section A3-1 is smaller than that of the radial gap A2-2, so that an axial deformation space is provided for the synchronous micro deformation of the fixed section A3-1 of the contact when the first shell end contracts and deforms radially inwards and the fixed end of the internal contact is wrapped and tightened in the first shell end, and the signal transmission performance is influenced by the axial extension of the contact from the radial gap A2-2 after the contact deforms.

Specifically, after the first radio frequency connector A and the second radio frequency connector B are plugged into each other, a gap exists between the contact section A3-2 and the second insulator B1 in the axial direction, so that the influence on the transmission performance caused by mutual extrusion and damage of the contact section A3-2 and the second insulator B1 in the axial direction in a frequent plugging process is avoided.

Specifically, after the first radio frequency connector A and the second radio frequency connector B are mutually inserted, an axial gap exists between the contact end B2-2 of the first shell end A2-1 and the second radio frequency connector B, so that the axial available length of the contact section A3-2 is increased, the transmission stability is improved, the second shell end B2-1 is axially abutted against the first radio frequency connector A, the axial mechanical positioning surface is provided with the right end closer to the first sealing ring and the second sealing ring, the sealing rings are arranged on the radial outer side and the radial inner side of the axial mechanical positioning surface, and the sealing performance of the radio frequency connecting device is further ensured.

specifically, the second sealing ring a6 is close to the first radio frequency connector a side in the axial direction, the third sealing ring B3 is close to the second radio frequency connector B side in the axial direction, and the first sealing ring a5 is located between the second sealing ring a6 and the third sealing ring B3 in the axial direction, so that the radio frequency connecting device can realize effective sealing in the axial direction as a whole, and the waterproof performance of the radio frequency connecting device is improved.

Specifically, after the first rf connector a and the second rf connector B are inserted into each other, the second sealing ring a6 abuts against the second housing end B2-1 and the first housing a2, so that the waterproof sealing effect is effectively achieved at the position of the axial mechanical positioning surface by the second sealing ring a 6.

Specifically, the inner wall of the threaded sleeve C is in threaded connection with the outer wall of the second radio-frequency connector B, so that after the first radio-frequency connector a and the second radio-frequency connector B are mutually inserted, locking is achieved through the threaded sleeve C on the radial outer side.

Specifically, the first sealing ring A5, the second sealing ring A6 and the third sealing ring B3 are made of silicon rubber materials, and are heat-resistant, cold-resistant, good in insulating property and ageing-resistant.

when the connector is used specifically, the first radio-frequency connector A and the second radio-frequency connector B are spliced together until a contact section A3-2 of a contact A3 is positioned in the radial inner part of a contact end B2-2, and meanwhile, the right end of a second shell end B2-1 is ensured to be abutted against the first shell A2 and then is in threaded connection with the outer wall of the second radio-frequency connector B through the inner wall of a threaded sleeve C, so that locking is realized through the threaded sleeve C on the radial outer side; the contact adopts a fixing mode of riveting after press fitting, is easy to process, so that the end head of the first shell contracts, tightens and deforms radially inwards, the fixed end of the internal contact is wrapped and tightened in the end head of the first shell, and the stable installation of the contact is realized on the premise of not adding an external fixing piece; set up mechanical axial positioning face in right-hand member position, and correspond respectively in the radial inboard and the radial outside position of mechanical axial positioning face and be provided with first sealing washer and second sealing washer to realize sealed protection simultaneously in the radial inside, the outside of mechanical axial positioning face position, further improve waterproof performance.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.