CN215008825U - High-retention radio frequency coaxial cable connector - Google Patents
High-retention radio frequency coaxial cable connector Download PDFInfo
- Publication number
- CN215008825U CN215008825U CN202120626072.2U CN202120626072U CN215008825U CN 215008825 U CN215008825 U CN 215008825U CN 202120626072 U CN202120626072 U CN 202120626072U CN 215008825 U CN215008825 U CN 215008825U
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- Prior art keywords
- shell
- insulator
- hole
- cable connector
- coaxial cable
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- 239000012212 insulator Substances 0.000 claims abstract description 83
- 230000014759 maintenance of location Effects 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 abstract description 11
- 230000000149 penetrating effect Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 description 5
- 230000004308 accommodation Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a high retentivity radio frequency coaxial cable connector. The novel screw cap comprises a shell, wherein a cavity is formed in one end of the shell in a penetrating mode along the axial direction, a screw sleeve is sleeved on the outer side of the shell, one end of the shell is located in the middle of the screw sleeve, the other end of the shell extends out of the screw sleeve, an insulator is fixedly arranged in the cavity, one end of the insulator extends to be flush with one end face, located in the screw sleeve, of the shell, the other end of the insulator extends to be flush with one end face, located away from the screw sleeve, of the shell, a containing hole is formed in one end of the shell in a penetrating mode along the axial direction, a central needle is arranged in the containing hole, the cavity is divided into two sections, one section is a first limiting hole, the other section is a second limiting hole, the two sections are coaxially arranged, the second limiting hole is located on one side, located away from the screw sleeve, the diameter of the second limiting hole is smaller than that of the first limiting hole, internal threads are formed in the inner wall of the first limiting hole, and a plurality of annular barbs are evenly distributed on the inner wall of the first limiting hole at equal intervals. The problem that the retention force between the insulator and the shell completely fails due to heating of the insulator is solved, and the yield is improved.
Description
Technical Field
The utility model relates to a connector field, especially a high retentivity radio frequency coaxial cable connector.
Background
The cable connector is mainly suitable for signal transmission between internal connection and distribution frame of various digital program controlled exchanges and photoelectric transmission equipment of transmission equipment bureau, and is used for transmitting communication equipment of data, audio frequency, video frequency and the like. In the existing cable connector, insulators inside a shell of the cable connector are fixedly arranged in an interference fit mode, then a center pin is placed into the insulators, and when the tail portion of the center pin is subjected to spot welding, the holding force between the insulators and the shell is prone to failure due to heating of the insulators, so that the insulators fall off integrally and waste reporting is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high retentivity radio frequency coaxial cable connector has reduced the problem that the retentivity between insulator and the casing became invalid completely because of the insulator is heated to the yield has been improved.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a high-retention radio-frequency coaxial cable connector comprises a shell, wherein one end of the shell is provided with a cavity extending to the other end in a penetrating manner along the axial direction, a threaded sleeve is sleeved on the outer side of the shell, one end of the shell is positioned in the middle of the threaded sleeve, the other end of the shell extends out of the threaded sleeve, an insulator is fixedly arranged in the cavity, one end of the insulator extends to be flush with one end face of the shell positioned in the threaded sleeve, the other end of the insulator extends to be flush with one end face of the shell far away from the threaded sleeve, one end of the insulator is provided with a containing hole extending to the other end in a penetrating manner along the axial direction, a central needle is fixedly arranged in the containing hole, the cavity is divided into two sections, one section is a first limiting hole, the other section is a second limiting hole, the second limiting hole is positioned on one side far away from the threaded sleeve, and the first limiting hole and the second limiting hole are coaxially arranged, the diameter in first spacing hole is greater than the diameter in the spacing hole of second, be provided with the internal thread on the inner wall in the spacing hole of second, equidistant distribution has a plurality of annular barb on the inner wall in a spacing hole.
Preferably, the longitudinal section shape of annular barb is right trapezoid, the inclined plane of annular barb is towards swivel nut one side, the inclined plane of annular barb is 30 degrees with the internal face contained angle in first spacing hole.
Preferably, the number of said annular barbs is provided with 2.
Preferably, the height of the annular barbs is 0.5-1 mm.
Preferably, the annular barb is integrally formed with the shell.
Preferably, the shell is located one end outside the thread insert and is fixedly provided with a limiting disc coaxially arranged with the thread insert, a through hole penetrates through the middle of the limiting disc along the axis of the limiting disc, and the diameter of the through hole is larger than that of the accommodating hole and smaller than that of the second limiting hole.
Preferably, the limiting disc is fixedly arranged on the shell through bolts.
Compared with the prior art, the utility model discloses an useful part lies in:
1) the utility model provides a high-retention RF coaxial cable connector, which reduces the problem that the retention between the insulator and the shell is completely ineffective due to the heating of the insulator, thereby improving the yield;
2) one end of a shell is provided with a cavity extending to the other end of the shell in an axial penetrating manner, the outer side of the shell is sleeved with a screw sleeve, one end of the shell is positioned in the middle of the screw sleeve, the other end of the shell extends to the outside of the screw sleeve, an insulator is fixedly arranged in the cavity, one end of the insulator extends to be flush with one end face of the shell positioned in the screw sleeve, the other end of the insulator extends to be flush with one end face of the shell far away from the screw sleeve, one end of the insulator is provided with a containing hole extending to the other end of the insulator in an axial penetrating manner, a center needle is fixedly arranged in the containing hole, the cavity is divided into two sections, one section is a first limiting hole, the other section is a second limiting hole, the second limiting hole is positioned at one side far away from the screw sleeve, the first limiting hole and the second limiting hole are coaxially arranged, the diameter of the first limiting hole is larger than that of the second limiting hole, and an internal thread is arranged on the inner wall of the second limiting hole, a plurality of annular barbs are distributed on the inner wall of the first limiting hole at equal intervals, after the insulator is fixedly arranged in the cavity of the shell, the friction retaining force is generated between the insulator and the internal threads in the cavity due to the arrangement of the internal threads, and the insulator is tightly clamped due to the arrangement of the annular barbs, so that the retaining force between the insulator and the shell is effectively increased, the problem that the retaining force is completely failed due to the fact that the insulator is softened by heating is solved, and the yield is improved;
3) the longitudinal section of the annular barb is in a right trapezoid shape, the inclined surface of the annular barb faces one side of the screw sleeve, the included angle between the inclined surface of the annular barb and the inner wall surface of the first limiting hole is 30 degrees, the 30-degree arrangement facilitates smooth installation of the insulator into the cavity, the resistance of the annular barb to the installation of the insulator is reduced, the retention force between the insulator and the shell is effectively guaranteed, and the problem that the retention force between the insulator and the shell fails due to heating is solved;
4) the number of the annular barbs is 2, and the arrangement of the 2 annular barbs further ensures the holding force between the insulator and the shell, so that the problem that the holding force between the insulator and the shell fails due to heating is solved;
5) the height of the annular barb is set to be 0.5-1mm, so that the insulator can be conveniently and smoothly installed in the cavity, the retention force between the insulator and the shell is effectively ensured, and the problem that the retention force between the insulator and the shell fails due to heating is solved;
6) the annular barb and the shell are integrally formed, so that the structural strength between the annular barb and the shell is improved due to the integrally formed structure, the insulator is effectively guaranteed to be clamped by the annular barb when the insulator is heated, and the problem that the holding force between the insulator and the shell is invalid due to heating is solved;
7) the limiting disc which is coaxial with the shell is fixedly arranged at one end of the shell, which is positioned outside the threaded sleeve, the middle part of the limiting disc is provided with a through hole in a penetrating way along the axis of the limiting disc, the diameter of the through hole is larger than that of the accommodating hole and smaller than that of the second limiting hole, the situation that the insulator moves back due to heating is avoided due to the arrangement of the limiting disc, the insulator is always positioned in the cavity, the problem that the holding force between the insulator and the shell is invalid due to heating is solved, and the yield is improved;
8) the limiting disc is fixedly arranged on the shell through the bolts, the bolts are used for fixing the limiting disc, so that the limiting disc can be conveniently installed and detached, meanwhile, the limiting disc is more stable, and a guarantee is provided for limiting the movement of the insulator.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a schematic view of a partial structure of an embodiment of the present invention.
The meaning of the reference numerals: 1. a housing; 2. a cavity; 200. a first limit hole; 201. a second limiting hole; 3. a threaded sleeve; 4. an insulator; 5. an accommodation hole; 6. a central needle; 7. an internal thread; 8. a ring-shaped barb; 9. a limiting disc; 10. and a through hole.
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment of the utility model provides a: a high-retention radio frequency coaxial cable connector is shown in figures 1 and 2 and comprises a shell 1, wherein one end of the shell 1 penetrates through a cavity 2 extending to the other end of the shell in the axial direction, a threaded sleeve 3 is sleeved outside the shell 1, one end of the shell 1 is positioned in the middle of the threaded sleeve 3, the other end of the shell 1 extends out of the threaded sleeve 3, an insulator 4 is fixedly arranged in the cavity 2, one end of the insulator 4 extends to be flush with one end face of the shell 1 positioned in the threaded sleeve 3, the other end of the insulator 4 extends to be flush with one end face of the shell 1 far away from the threaded sleeve 3, one end of the insulator 4 penetrates through a containing hole 5 extending to the other end of the insulator in the axial direction, a central needle 6 is fixedly arranged in the containing hole 5, one section of the cavity 2 is divided into two sections, namely a first limiting hole 200, and the other section is a second limiting hole 201, the spacing hole 201 of second is located the one side of keeping away from swivel nut 3, the coaxial setting in first spacing hole 200 and the spacing hole 201 of second, the diameter in first spacing hole 200 is greater than the diameter in the spacing hole 201 of second, be provided with internal thread 7 on the inner wall in the spacing hole 201 of second, equidistant distribution has a plurality of annular barb 8 on the inner wall in first spacing hole 200, and after setting up insulator 4 fixed in cavity 2 of casing 1, internal thread 7 set up make insulator 4 and internal thread 7 in the cavity 2 produce the friction holding power, and the setting of annular barb tightly blocks insulator 4, and it has effectively increased the holding power between insulator 4 and the casing 1, has reduced insulator 4 and has leaded to the problem that the holding power became invalid completely because of being heated the softening, has improved the yield.
Annular barb 8's longitudinal section shape is right trapezoid, annular barb 8's inclined plane is towards 3 one sides of swivel nut, annular barb 8's inclined plane is 30 degrees with the internal face contained angle of first spacing hole 200, and the setting up of 30 degrees angles has made things convenient for insulator 4 to install into cavity 2 smoothly, reduces the resistance of annular barb 8 when to installation insulator 4, but also effectively guaranteed the holding power between insulator 4 and the casing 1 simultaneously, has reduced insulator 4 and has leaded to the problem that the holding power between its and the casing 1 became invalid because of being heated.
The quantity of annular barb 8 is provided with 2, and the holding power between insulator 4 and the casing 1 has further been guaranteed in the setting of 2 annular barb 8, has reduced insulator 4 and has leaded to the problem that the holding power between it and the casing 1 became invalid because of being heated.
The height of the annular barb 8 is 0.5-1mm, the height of the annular barb is set to facilitate the smooth installation of the insulator 4 into the cavity 2, and meanwhile, the retention force between the insulator 4 and the shell 1 is effectively guaranteed, and the problem that the retention force between the insulator 4 and the shell 1 fails due to heating is solved.
Annular barb 8 and 1 integrated into one piece of casing, the setting up of integrated into one piece structure has improved the structural strength between annular barb 8 and the casing 1, has effectively guaranteed that annular barb 8 blocks insulator 4 when insulator 4 is heated, has reduced insulator 4 because of being heated and lead to the problem that its and casing 1 between the holding power became invalid.
Casing 1 is located the outer one of swivel nut 3 and serves the fixed spacing dish 9 that is provided with rather than coaxial setting, the middle part of spacing dish 9 runs through along its axis and has seted up through-hole 10, the diameter of through-hole 10 is greater than the diameter of accommodation hole 5 and is less than the diameter of the spacing hole 201 of second, and the condition that insulator 4 was heated and recedes is avoided appearing in the setting of spacing dish 9, makes insulator 4 be located cavity 2 all the time, has reduced insulator 4 and has leaded to the problem that its and casing 1 between the retentivity became invalid because of being heated, has improved the yield.
Spacing dish 9 passes through the bolt fastening and sets up on casing 1, uses the bolt fastening to make things convenient for spacing dish 9's installation and dismantlement, also makes spacing dish 9 more firm simultaneously, provides the guarantee for limiting insulator 4 removes.
The utility model discloses a theory of operation:
after insulator 4 is fixed to be set up in cavity 2 of casing 1, internal thread 7's setting makes insulator 4 and internal thread 7 in the cavity 2 produce the friction holding power, and 2 setting up of annular barb further tightly block insulator 4, it has effectively increased the holding power between insulator 4 and the casing 1, the problem that insulator 4 leads to the holding power to become invalid completely because of being heated the softening has been reduced, and the condition that insulator 4 is heated and moves back is avoided appearing in setting up of spacing dish 9, make insulator 4 be located cavity 2 throughout, the yield has been improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
1. The high-retention radio frequency coaxial cable connector is characterized by comprising a shell (1), wherein one end of the shell (1) penetrates through and is provided with a cavity (2) extending to the other end of the shell in the axial direction, a threaded sleeve (3) is sleeved on the outer side of the shell (1), one end of the shell (1) is positioned in the middle of the threaded sleeve (3), the other end of the shell (1) extends out of the threaded sleeve (3), an insulator (4) is fixedly arranged in the cavity (2), one end of the insulator (4) extends to be flush with one end face of the shell (1) positioned in the threaded sleeve (3), the other end of the insulator (4) extends to be flush with one end face of the shell (1) far away from the threaded sleeve (3), one end of the insulator (4) penetrates through and is provided with a containing hole (5) to the other end of the insulator in the axial direction, a central needle (6) is fixedly arranged in the containing hole (5), the cavity (2) is divided into two sections, one section is first spacing hole (200), and another section is the spacing hole of second (201), the spacing hole of second (201) is located the one side of keeping away from swivel nut (3), the spacing hole of first spacing hole (200) and second (201) coaxial setting, the diameter of first spacing hole (200) is greater than the diameter of the spacing hole of second (201), be provided with on the inner wall of the spacing hole of second (201) internal thread (7), equidistant distribution has a plurality of annular barb (8) on the inner wall of first spacing hole (200).
2. The high-retention radio-frequency coaxial cable connector according to claim 1, wherein the longitudinal cross-sectional shape of the annular barb (8) is a right trapezoid, the inclined surface of the annular barb (8) faces one side of the threaded sleeve (3), and the included angle between the inclined surface of the annular barb (8) and the inner wall surface of the first limiting hole (200) is 30 degrees.
3. High retention radio frequency coaxial cable connector according to claim 2, wherein the number of annular barbs (8) is provided with 2.
4. High retention radio frequency coaxial cable connector according to claim 3, wherein the height of the annular barb (8) is 0.5-1 mm.
5. High retention radio frequency coaxial cable connector according to claim 4, wherein the annular barb (8) is formed integrally with the housing (1).
6. The high-retention radio-frequency coaxial cable connector according to claim 1, wherein a limiting disc (9) coaxially arranged with the screw sleeve (3) is fixedly arranged at one end of the housing (1) located outside the screw sleeve (3), a through hole (10) penetrates through the middle of the limiting disc (9) along the axis of the limiting disc, and the diameter of the through hole (10) is larger than that of the accommodating hole (5) and smaller than that of the second limiting hole (201).
7. High retention rf coaxial cable connector according to claim 6, wherein the limiting disc (9) is fixed on the housing (1) by means of bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120626072.2U CN215008825U (en) | 2021-03-26 | 2021-03-26 | High-retention radio frequency coaxial cable connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120626072.2U CN215008825U (en) | 2021-03-26 | 2021-03-26 | High-retention radio frequency coaxial cable connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215008825U true CN215008825U (en) | 2021-12-03 |
Family
ID=79162842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120626072.2U Expired - Fee Related CN215008825U (en) | 2021-03-26 | 2021-03-26 | High-retention radio frequency coaxial cable connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215008825U (en) |
-
2021
- 2021-03-26 CN CN202120626072.2U patent/CN215008825U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211203 |