CN1337762A - Coaxial cable connector - Google Patents
Coaxial cable connector Download PDFInfo
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- CN1337762A CN1337762A CN00120999A CN00120999A CN1337762A CN 1337762 A CN1337762 A CN 1337762A CN 00120999 A CN00120999 A CN 00120999A CN 00120999 A CN00120999 A CN 00120999A CN 1337762 A CN1337762 A CN 1337762A
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- coaxial cable
- connector
- groove body
- tool groove
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Abstract
The coaxial cable connector includes a nut, a hollow shaft, a self-body portion and a pressure-fitting sleeve. When the tail end of coaxial cable is inserted into guiding end of nut of connector and passed through the guide hole of self-body portion, the hollow shaft can separate the external protective layer and conducting meshed layer of coaxial cable from its insulating layer, and the beard portion of the hollow shaft can be inserted into the between of hoth them, and the pressure-fitting sleeve is pushed on the self-body with groove, it can be used for holding down the external layer and conducting meshed layer of the coaxial cable, so that the coaxial cable and connector can be lightly combined together, and its first and second O-type rings can be used for preventing moisture from incoming.
Description
The present invention is relevant a kind of coaxial cable connector, and this coaxial cable connector is in order to connect the connector of coaxial cable to an end connector.
F type coaxial cable connector generally all had been to use in cable TV signal transmission, data line and navigation satellite etc. in the past, in recent years, and in order to have some change in response to the change of industrial standard and FCC rule.At present, even in the environment that exposes to the open air, connector also must meet the grade that low RF leaks.Between connector and coaxial cable conductor inside, be provided with a moistureproof Feng Qike and prevent that moisture from invading or RF (radio frequency) leaks.
The application of connector has developed provides safe conductive bond mode closely between coaxial cable and female coupling.The prior art discussion of relevant this kind connector, for example 5,024 of Ming-Hua, No. 605 United States Patent (USP)s, 4,280, No. 749 of Hemmer, Fomey, 4,593, No. 964 of Jr.et al, 5 of Stirling, 007, No. 861,5,073 of Szegda, No. 129,5,651 of Holliday, wait United States Patent (USP)s all to propose the relevant coaxial connector that has protection against the tide and reduce spillover 5,879, No. 191 of No. 699 and Burris.Have a kind of radially laminated type coaxial cable connector to be widely used at present, this kind connector has detailed description in No. 5632651 United States Patent (USP)s of Szegda, and the radially laminated type coaxial cable that relevant this patent is disclosed is also listed reference in the lump in.
Above-mentioned mentioned relevant blocks moisture axle envelope and RF leak many connectors of improvement, and it all has some restriction in itself.For example the driving fit between cable and the connector is exactly a kind of technology of very difficult grasp, need decide on operator's technology.This stage need provide a kind of and can make between connector and the coaxial cable safety and the tight structure of involution, and gets rid of the chance that error takes place to install.When one coaxial cable connector was installed coaxial cable, this cable end piece at first will be handled so that engage with connector.Then with connector with manual type force in this coaxial cable end until the external protection of coaxial cable and in till conductive net layer and the insulating barrier isolation.This coaxial cable continues to go in the connector till obtaining required insertion depth with hand push, and this needs the operator to use great strength to finish.At last, connector closely is pressed on the coaxial cable with manpower by the pressing instrument again.Mentioned connector in aforementioned Prior Art, wherein most of when the pressing step, the external protection of this coaxial cable and in conductive net layer be to be pressed in an end to have on the tubular axis of barb.If the operator is the pressing connector effectively, the part at pressing position terminal 20 percent particularly, then connector is just loosening probably.And incorrect mounting means will cause unacceptable R F to leak situation.
Mentioned connector all is to be pressed on the coaxial cable with single-point compress mode (that is between circumferential barb and connector body of tubular axis) in the prior art.According to above-mentioned, the barb on this tubular axis has a wedge angle, and this makes that coaxial cable end is difficult to be pressed in the connector.For for the connector of single-point pressing, the outer layer thickness of coaxial cable must have minimum error range.Recently the coaxial cable that the building laws that is developed promptly requires to be installed in specific region in the building must have the outer material of fire prevention, for example waits regional in higher-pressure region ventilating opening and lift trunk.These new outer materials have different physical characteristics with employed standard coaxial cable skin in the past, elasticity for example, and smoothness and thickness etc., this also makes aforesaid connector can't effectively be used on these new materials.For skilled skilled worker, if the barb on the cable connector tubular axis can have lower height, very big benefiting will be arranged, and this makes connector to insert easily in the coaxial cable of various different-thickness, elasticity and smoothness, and can firmly be pressed on the coaxial cable.According to above-mentioned, we need a kind of protection against the tide, the coaxial cable connector that can be used in the cable outer layer of various different-thickness and be easy to install and have low installation fault rate.
Main purpose of the present invention is that a kind of coaxial cable connector is being provided, and it can prevent moisture intrusion coaxial cable.
Of the present invention time a purpose is to provide a little strength of a kind of need coaxial cable end can be pressed into the coaxial cable connector structure of connector.
Another object of the present invention is that a kind of coaxial cable connector that meets above-mentioned purpose and structure is being provided.
Another purpose of the present invention is that a kind of structure that can firmly be pressed on the coaxial outer of various different-thickness is being provided.
The present invention is providing a kind of laminated type coaxial cable connector that meets aforementioned creation purpose.The structure of this connector comprises that a nut, a tubular axis, have the body of groove, two O type rings and a pressing sleeve pipe.Wherein this nut has an axial guide hole, and this guide hole comprises that one has first diameter portion of screw thread and second diameter portion of an end, and this second diameter portion is less than first diameter portion.The external diameter of the one O type ring is identical with the diameter of this first diameter portion, and it places the inside of nut guide hole and mutually adjoining with the guide hole end.Tubular axis is an elongated cylindrical tube, and it has a guide end and an end that is provided with flange.This flange is the O type ring inner edge that is positioned at nut guide hole front end, and the terminal outer rim of tubular axis then is provided with circumferential barb.
This body with groove is to form two radially pressings place between skin that coaxial electrical equipment is provided and the inner conducting layer with the start of pressing sleeve pipe; First pressing place is between body and tubular axis, and second pressing place is then between above-mentioned pressing sleeve and tubular axis barb.This body with groove is a cylinder, and it has a guide end, a terminal and guide hole that runs through total length.This guide hole inside is that formation is stepped, and the diameter of its guide end is the diameter less than end.The inwall of guide hole end is the engaging tooth that is provided with several grooves and number protrusion again.This has the body of groove, its guide end be can with the shoulder fit of tubular axis, the shoulder of this tubular axis is to be positioned at the nut end.The end of tubular axis is that the end by tool groove body extends, and the end of this tubular axis has lower protrusion barb.
As mentioned above, this tubular axis comprise one with the adjacent shoulder of flange of its guide end.When the body of this tool groove, when the end difference in its guide hole and the shoulder of tubular axis closely cooperate, can prevent that a tool groove body rotates here on tubular axis and nut.After the shoulder of this tool groove body and tubular axis closely cooperated, this nut, an O type ring, tubular axis interosculated into an assembly with necessary structure with tool groove body.This tool groove body surface is to be provided with three annular grooves and a protuberance again.First groove at first, foremost is to insert the 2nd O type ring.And protuberance is to be positioned at after first groove, between second annular groove and the 3rd annular groove.As for the 3rd annular groove of least significant end be can with the pressing thimble joint.
The pressing sleeve pipe is a cylinder, and it comprises a guide end, a terminal and through hole that runs through total length, the through hole of pressing inside pipe casing be form three grades stepped, the diameter maximum of its guide end, and terminal diameter minimum.The guide end of this pressing inside pipe casing through hole is provided with the protrusion ring portion of a protrusion internal face.When the guide end of this pressing sleeve pipe is pushed forward into this tool groove body when terminal, the protrusion ring portion in this pressing cover pipe through-hole can snap in the 3rd groove of this tool groove body and mutually combine and form a compressible coaxial cable connector combination.
When the end of coaxial cable inserted the terminal of pressing inside pipe casing through hole and pushes away through this tool groove body forward, the end of this tubular axis can will be covered in coaxial outer on its barb and conductive net layer and be pressed in the annular region between tubular axis and the tool groove body.Be covered in pressing sleeve pipe on the body when advancing, can carry out the pressing action in two zones of coaxial outer.(a) between pressing sleeve pipe and tubular axis barb; And (b) between the engaging tooth in tubular axis and tool groove body through hole.Till the pressing sleeve pipe advances to protrusion ring portion in the pressing sleeve pipe guide hole and snaps in second annular groove in the middle of the tool groove body surface.The skin of this coaxial cable and conductive layer radially are pressed on the barb of tubular axis and under the engaging tooth of tool groove body, so can be provided a kind of two firm place's pressing structures.
The architectural feature that the present invention has novelty will be described in detail in claim.Yet, this creation itself, by cooperating relevant accompanying drawing, when being easier to understand its structure, mode of operation and further purpose and advantage, wherein with reference to following explanation:
Fig. 1 a shows coaxial cable end plane graph after treatment.
Fig. 1 b is the coaxial cable among the displayed map 1a, and its conductive net layer is turned down plane graph with the cover part protective layer backward.
The cutaway view of Fig. 2 end that to be the attached work of coaxial cable connector of the present invention handled in coaxial cable.
Fig. 3 is the cutaway view before the coaxial cable connector among Fig. 2 inserts coaxial cable.
Fig. 4 is the vertical cross-sectional schematic with groove body of the coaxial cable connector among Fig. 2 to Fig. 3.
Fig. 5 is vertical cross-sectional schematic of the pressing sleeve pipe of the coaxial cable connector among Fig. 2 to Fig. 3.
Fig. 6 has a groove body among Fig. 4, and it watches the fixedly bulge loop on shown surface and the stereogram of number grooves by guide end.
Fig. 7 is the three-dimensional cross-section diagram of the treated end engagement of element in the coaxial cable connector of the present invention and coaxial cable.
See also Fig. 1 a, in this plane graph, show a coaxial cable 10 end after treatment.With before connector engages, the terminal head that this coaxial cable 10 engages with connector must be handled earlier at coaxial cable.Setter can make its center conductor 11, dielectric mandrel 12 expose a part with conduction (ground connection) stratum reticulare 13, as shown in Figure 1a by the end that uses bite tool (not being shown on a drawing) strip off coaxial cable.And the length of coaxial cable 10 each exposed portions serve is to stipulate according to industrial standard.Be right after work conductive net layer 13 exposed portions serve are turned down backward and are covered on the protection skin 14 of coaxial cable 10, shown in Fig. 1 b.Under coaxial cable 10 conductive net layers 13, can further be provided with one or several layers of copper-foil conducting electricity 81, as shown in Figure 7.The thickness of conductive net layer can be revised the position of inserting the coaxial cable end in the connector to use the various different strength of setter by producer's change before pressing.
The cutaway view of coaxial cable connector of the present invention as shown in Figure 2.Connector 20 is one cylindrical, and it comprises that a guide end 15, terminal 16 and runs through the hollow bulb 17 of total length.Guide end 15, the one pressing sleeve pipes 23 of one nut, 22 formation connectors 20 are the end of formation connector 20 then.Tubular axis 36 guide end are provided with a flange 40 and its end surface is provided with a barb 38.Tool groove body 21, its guide end are the shoulders 35 that closely is pressed on tubular axis 36.Have one to protrude ring portion 33 (detailed demonstration is arranged among Fig. 3 and Fig. 5) in pressing sleeve pipe 23 through holes, it is can snap in these tool groove body 21 lip-deep annular grooves 48 (as shown in Figure 4).But the conductive net layer 13 that this coaxial cable 10 exposes and to be covered in backward protection skin 14 under the conductive net layer of turnover be between pressure pipe axle and tool groove body and the pressing sleeve pipe in the formed annular space.This connector provide two places pressing in case with closely pressing of coaxial cable, so center conductor 11 just can correctly be located so that engage with female joint (not being shown in the diagram).First pressing place is between the engaging tooth and tubular axis of the terminal inner face of tool groove body, and second pressing place is between the barb on pressing sleeve pipe and the tubular axis.This two places pressing structure makes coaxial cable and closely pressing of connector, even the height dimension of barb on the minimizing tubular axis can be reached as long as the axial length of extension pipe shaft end and last barb thereof and increase pressing sleeve pipe 23 ends 16 are covered in the length of its groove body end.Two O type rings 41 and 42 can prevent that moisture is by invading between nut and the tubular axis and between tool groove body and the pressing sleeve pipe.
Fig. 2 shows the cutaway view of the coaxial cable connector 20 before the not pressing, and Fig. 3 then shows the cutaway view before coaxial cable inserts connector 20.This connector 20 is one cylindrical, and it has the hollow bulb 17 that a guide end 15, terminal 16 and runs through total length.But the diameter at nut 22 end openings places is first shoulder 71 of tubular axis 36 to be passed through.The one O type ring 41 is to place between the flange 40 of tubular axis 36 guide end and nut 22 ends to prevent that moisture from invading.The end of tool groove body 21 is second shoulders 72 that can closely be pressed on tubular axis.The guide end of pressing sleeve pipe 23 inner guide holes is provided with one and protrudes ring portion 33, and it can snap in the annular groove 34 on the tool groove body end surface.This protrusion ring portion 33 engages with annular groove 34, and tolerable pressing sleeve pipe continues to promote forward on tool groove body, but can not promote backward.
The tool groove body 21 of this connector 20 is to be presented at the longitudinal section of Fig. 4 and the stereogram of Fig. 6, Fig. 7.As above summarize, guide end 50 diameters of these tool groove body 21 inner guide holes 17 are to closely cooperate with second shoulder 72 of tubular axis, make nut, tubular axis and tool groove body be combined into an assembly.The outer surface of tool groove body 21 is provided with one first annular groove 34, one second annular groove 48 and a fixedly bulge loop 47 between the centre.The hole wall of groove body 21 inner guide hole 17 ends of having again is provided with at least one or several engaging tooths 43.This tool groove body is provided with several grooves, wherein two groove 61a, 61b effectively detailed demonstration in Fig. 6.This groove is the end that is extended to tool groove body by annular groove 48.When applying one radially during pressure force, but this groove 61a, 61b essence reduce the diameter of body end.Be big when so, the design of the groove of this tool groove body end can make its diameter make to such an extent that do not have groove.And the end of the inner guide hole of this tool groove body then can make the various coaxial cables in the certain size scope be easy to insert if bigger diameter is arranged.The 2nd O type ring 42 (as Fig. 3 and shown in Figure 7) is to insert in the groove 45 of tool groove body end.
Pressing sleeve pipe 23 is a cylinder, and its inside has a through hole 17 that runs through total length, and these through hole 17 inside are to form stepped diameter, shown in figure number among Fig. 5 31 and 32.These pressing sleeve pipe 23 interior bone 17 are provided with a protrusion ring portion 33 near the inwall of guide end 52.When the guide end 52 of pressing sleeve pipe is inserted and be pushed on the end 51 of tool groove body, but groove 61a, the 61b of this tool groove body end can make end difference 32 pressings in this rubber-like body end mat pressing sleeve pipe and inwardly contract.The pressing sleeve pipe continues to be advanced into it and protrudes in second annular groove 34 that ring portion 33 snaps in the body end on tool groove body till.This protrusion ring portion 33 can prevent that with engaging of second annular groove 34 the pressing sleeve pipe from sliding backward on tool groove body, but (for example uses the pressing instrument) when applying enough strength, and the pressing sleeve pipe is moved forward on the body of tool groove.
In order to make the attached work of connector on coaxial cable 10, this coaxial cable end (shown in Fig. 1 b) after treatment must insert the end 16 of connector, and the center conductor 11 that is advanced into coaxial cable by the guide end of connector outstanding till.The pressing sleeve pipe of this connector can be by using a suitable pressing instrument to continue to advance and being covered on the tool groove body.When the pressing sleeve pipe advanced, the end difference the 32, the 31st of its through hole inside can carry out the pressing at two places: (a) between the engaging tooth 43 and tubular axis surface of tool groove body guide hole inwall on the skin of coaxial cord and conductive net layer; And (b) between pressing sleeve pipe and tubular axis barb.The pressing operation is till the protrusion ring portion 33 of pressing sleeve pipe snaps in second annular groove 48 on the tool groove body.When this pressing sleeve pipe moves, it is the protuberance 47 that can bring pressure to bear on this tool groove body outer surface, make on skin that engaging tooth 43 in this body guide hole inwardly is pressed in coaxial cable and the conductive net layer to form firm combining, the attached outstanding power that so not only can replenish tubular axis barb place also can be strengthened combining between connector and coaxial cable.
Fig. 7 is the three-dimensional cross-section diagram of the end engagement after each element of coaxial cable connector of the present invention and coaxial cable are handled.
Although specific embodiment of the present invention is detailed illustration, for the personage who is familiar with this technology, other the various changes that can associate easily or revise neither disengaging spirit of the present invention and scope.Therefore in following claim, its for the narration containing all changes and correction and do all within the scope of the invention.
Claims (6)
1. a coaxial cable connector; be in order to connect coaxial cable to an end connector; wherein this coaxial cable comprises that a center conductor, is covered in the external protection that conductive earthing stratum reticulare and that the insulating barrier of center conductor periphery, is covered in the insulating barrier periphery is covered in conductive earthing stratum reticulare periphery; it is characterized in that coaxial cable connector comprises:
(a) a connector combination, it comprises a nut with hollow bulb, one inside has the tubular axis of guide hole, the guide end of this tubular axis in the nut hollow bulb is provided with a flange holding, its end is then extended by the end of nut, this tubular axis surface is provided with a shoulder near the nut end, and the tubular axis end surface then is provided with a barb; The body of one tool groove, it is a cylinder and comprises a guide end, a terminal and guide hole that runs through total length, this tool groove body surface is provided with two annular grooves, and the end of this body is to be provided with several grooves; One the one O type loop device is between aforementioned tubes axial flange and nut end; And
(b) a pressing sleeve engages is on the tool groove body of aforementioned connector combination, this pressing sleeve pipe is a cylinder, it has a guide end, a terminal and through hole that runs through total length, this through hole is provided with one near the guide end place and protrudes ring portion, this protrusion ring portion can snap in first annular groove on aforementioned its groove body surface, makes the pressing sleeve engages on aforesaid connector and can't take out.
2. coaxial cable connector according to claim 1 is characterized in that, wherein is to form first end difference and second end difference in the through hole in this pressing sleeve pipe.
3. coaxial cable connector according to claim 1, it is characterized in that, wherein the guide hole of this tool groove body is near being further to be provided with at least one or several engaging tooths on the terminal hole wall, and is to be provided with one to protrude ring portion in the annular groove inboard on this tool groove body surface.
4. coaxial cable connector according to claim 2, it is characterized in that, wherein the guide hole of this tool groove body is near being further to be provided with at least one or several engaging tooths on the terminal hole wall, and is to be provided with one to protrude ring portion in the annular groove inboard on this tool groove body surface.
5. coaxial cable connector according to claim 4, it is characterized in that, between the protrusion ring portion on this tool groove body surface and this body guide end is to be provided with one second annular groove, when aforesaid pressing sleeve pipe when the guiding of aforementioned tool groove body advances, the protrusion ring portion in this pressing cover pipe through-hole is can snap in this second annular groove.
6. coaxial cable connector according to claim 5, it is characterized in that, this connector further comprises one the 2nd O type ring, and the 2nd O type ring is to place in second annular groove and the O type ring groove between this body guide end on aforementioned tool groove body surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB00120999XA CN1200480C (en) | 2000-08-08 | 2000-08-08 | Coaxial cable connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB00120999XA CN1200480C (en) | 2000-08-08 | 2000-08-08 | Coaxial cable connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1337762A true CN1337762A (en) | 2002-02-27 |
| CN1200480C CN1200480C (en) | 2005-05-04 |
Family
ID=4588521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB00120999XA Expired - Fee Related CN1200480C (en) | 2000-08-08 | 2000-08-08 | Coaxial cable connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1200480C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100423371C (en) * | 2003-04-03 | 2008-10-01 | 约翰美兹林高协会公司 | Compression-type hard-line connector |
| CN100463292C (en) * | 2002-12-04 | 2009-02-18 | 约翰美兹林高协会公司 | Compression connector for coaxial cable and method of installation |
| CN100499280C (en) * | 2003-03-03 | 2009-06-10 | 约翰·梅扎林瓜合伙公司 | Method and assembly for connecting a coaxial cable to an externally threaded connecting part |
| CN101330180B (en) * | 2007-06-18 | 2010-06-02 | 凤凰通讯科技国际公司 | Coaxial cable connector |
| CN102257678A (en) * | 2008-12-19 | 2011-11-23 | 库帕技术公司 | Separable connector system with vents in bushing nose |
| CN103036079A (en) * | 2011-09-30 | 2013-04-10 | 罗森伯格亚太电子有限公司 | Coaxial cable connector |
| CN104733875A (en) * | 2013-12-20 | 2015-06-24 | 光红建圣股份有限公司 | Joint structure |
| CN112421280A (en) * | 2020-10-21 | 2021-02-26 | 合肥市深朝电子有限公司 | Motor wire harness terminal structure |
-
2000
- 2000-08-08 CN CNB00120999XA patent/CN1200480C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100463292C (en) * | 2002-12-04 | 2009-02-18 | 约翰美兹林高协会公司 | Compression connector for coaxial cable and method of installation |
| CN100499280C (en) * | 2003-03-03 | 2009-06-10 | 约翰·梅扎林瓜合伙公司 | Method and assembly for connecting a coaxial cable to an externally threaded connecting part |
| CN100423371C (en) * | 2003-04-03 | 2008-10-01 | 约翰美兹林高协会公司 | Compression-type hard-line connector |
| CN101330180B (en) * | 2007-06-18 | 2010-06-02 | 凤凰通讯科技国际公司 | Coaxial cable connector |
| CN102257678A (en) * | 2008-12-19 | 2011-11-23 | 库帕技术公司 | Separable connector system with vents in bushing nose |
| CN102257678B (en) * | 2008-12-19 | 2014-05-21 | 库柏技术公司 | Separable connector system with vents in bushing nose |
| CN103036079A (en) * | 2011-09-30 | 2013-04-10 | 罗森伯格亚太电子有限公司 | Coaxial cable connector |
| CN103036079B (en) * | 2011-09-30 | 2017-02-08 | 罗森伯格亚太电子有限公司 | Coaxial cable connector |
| CN104733875A (en) * | 2013-12-20 | 2015-06-24 | 光红建圣股份有限公司 | Joint structure |
| CN112421280A (en) * | 2020-10-21 | 2021-02-26 | 合肥市深朝电子有限公司 | Motor wire harness terminal structure |
| CN112421280B (en) * | 2020-10-21 | 2022-05-24 | 合肥市深朝电子有限公司 | Motor wire harness terminal structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1200480C (en) | 2005-05-04 |
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