CN201171086Y

CN201171086Y - Coaxial cable plug

Info

Publication number: CN201171086Y
Application number: CNU200820032547XU
Authority: CN
Inventors: 邵继武
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-02-19
Filing date: 2008-02-19
Publication date: 2008-12-24
Anticipated expiration: 2018-02-19

Abstract

The utility model relates to a coaxial cable plug which comprises a female plug and a male plug; the male plug comprises a connecting sleeve, an outer shell, an insulator and a contact pin; the coaxial cable plug is characterized in that the male plug also comprises a compression spring, ball bearings, an open collar and a gasket ring; the connecting sleeve is arranged at the front part of the outer shell; the compression spring is arranged between the rear part of the connecting sleeve and the outer shell; the inner wall of the front part of the outer shell is provided with a collar groove; ball bearing holes are distributed on the collar groove; the open collar is inserted into the collar groove; the ball bearings are arranged in the ball bearing holes; the front part of the inner conical surface of the connecting sleeve is provided with a round of ball bearing groove; the ball bearings can be converted between the inner conical surface of the connecting sleeve and the ball bearing groove when the outer cover is arranged on the shell and moves to and fro; the gasket ring is arranged in a sealing groove on the inner wall of the outer shell. The coaxial cable plug has the advantages of quick push and pull, tight matching of the plugs, strong pulling and tensile resistant capability, low consumption in signal transmission, high reliability, etc., and is widely applicable to coaxial cables.

Description

Coaxial cable plug

Technical field

The utility model relates to a kind of plug, and particularly a kind of plug that is used for the coaxial cable connector of transmitting radio frequency signal belongs to the connector field.

Background technology

Coaxial cable connector mainly is made up of public plug and female, and the form of its connection mainly is to be threaded and to be connected with a joggle.Being threaded wherein has good shock resistance, the connection reliability height, and steady signal transmission, but longer because of it for the event installation time that is threaded, when installing, panel cause packing density little in addition owing to instruments such as wanting practical spanner.Engagement class connector wherein mainly relies on the elasticity original paper to provide frictional force to realize connecting, though plug is rapidly, and the packing density height, because no self-locking device easily lost efficacy, reliability is lower.

Summary of the invention

The purpose of this utility model is now to be the weak point of cable plug in order to overcome above-mentioned, design a kind of rational in infrastructure, can fast insert-pull, auto-lock function is strong, contact is good coaxial cable plug.

Coaxial cable plug of the present utility model comprises female and public plug, described public plug comprises adapter sleeve, shell, insulator and contact pin, it is characterized in that public plug also comprises the compression spring, ball, expanding ring and sealing ring, described adapter sleeve is sleeved on the shell front portion, the compression spring is contained between adapter sleeve rear portion and the shell, the shell front inner wall is provided with the collar groove, be distributed with ball hole on the collar groove, expanding ring is installed in the collar groove, ball places ball hole, the inner conical surface front portion of adapter sleeve is provided with a circle ball groove, ball can be sleeved on the housing outside and when moving forward and backward and adapter sleeve inner conical surface and ball groove and between conversion, in the seal groove of the cased wall of sealing ring.

For expanding ring can only or be opened along collar groove radial contraction, can be provided with boss at the opening part of expanding ring, and with the breach of the shell front end of boss correspondence position on be provided with the block face that prevents expanding ring opposite shell inordinate rotation.

Coaxial cable plug of the present utility model mainly is an expanding ring to be set in the shell outside on public plug, matches by the annular boss with female and realizes fast insert-pull and auto-lock function; An open slot is set on shell outside the public plug, block face drive collar by the two sides rotates with respect to the parent form connector, realized relatively rotating between the master-slave socket, avoided cable on business can not relatively rotate between the female connectors and cause the stubborn bent harmful effect that produces of cable; A compression spring is set on public plug, provides lasting elastic force to guarantee master-slave socket end face no-float, realize the better transmission of signal by it.At ordinary times, the adapter sleeve of the public plug sub-fraction that retreats into ball is withstood in the ball groove by expanding ring.During use, the contact pin of public plug is inserted in the jack of female up to expanding ring and is stuck in the annular groove of annular boss back of female, when continuing to promote adapter sleeve again, can make on the female of public plug locking.As being pulled back, public plug can be extracted adapter sleeve.Have energy fast insert-pull, plug cooperation closely, the anti-pulling ability is strong, and signal transmission attenuation is little, and the reliability advantages of higher is fit to coaxial cable and is extensive use of.

Description of drawings

Accompanying drawing 1 is the structural representation of general coaxial cable female;

Accompanying drawing 2 is structural representations of public plug of the present utility model;

Accompanying drawing 3 is structural representations of public plug of the present utility model and female locking state;

Accompanying drawing 4 is the cross section structure schematic diagrames at the A-A place of accompanying drawing 3;

Accompanying drawing 5 is structural representations of the shell in the public plug;

Accompanying drawing 6 is structural representations of the expanding ring in the public plug.

Embodiment

Referring to accompanying

drawing

1,1 among Fig. 1 is female, the 2nd, and the outer conductor of female, the 3rd, annular boss, the 4th, jack.Referring to accompanying

drawing

2,5 public plugs among Fig. 2, the 6th, adapter sleeve, the 7th, shell, the 8th, groove, the 9th, ball hole, the 10th, the inner conical surface of adapter sleeve, the 11st, ball, the 12nd, expanding ring, the 13rd, the compression spring, the 14th, sealing ring, the 15th, contact pin, the 16th, insulator, the 17th, the boss that is provided with at the opening part of expanding ring 12, the block face that prevents expanding ring opposite shell inordinate rotation on 18 breach that are provided in a side of with shell 7 front ends of boss 17 correspondence positions.Drawing reference numeral on the accompanying drawing 3-6 is consistent with above-mentioned label.

Female in the accompanying drawing 1 (1) is made of outer conductor (2) and jack (4), is provided with an annular boss (3) on the cylindrical of outer conductor (2).

Public plug in the accompanying drawing 2 (5) is made of adapter sleeve (6), compression spring (13), shell (7) (referring to Fig. 5), ball (11), the expanding ring (12) (referring to Fig. 6) that compresses the shell of packing into, sealing ring (14), insulator (16) and contact pin (15).Described adapter sleeve (6) is sleeved on shell (7) front portion, compression spring (13) is contained between adapter sleeve (6) rear portion and the shell (7), the shell front inner wall is provided with the collar groove, be distributed with ball hole on the collar groove, expanding ring (12) is installed in the collar groove, ball (11) places ball hole, inner conical surface (10) front portion of adapter sleeve (6) is provided with a circle ball groove (8), ball (11) can be in ball hole lifting and with the moving forward and backward and contact with the inner conical surface (10) or the ball groove (8) of adapter sleeve (6) respectively of adapter sleeve (6), in the seal groove of the cased wall of sealing ring (14).

For expanding ring (12) can only or be opened along collar groove radial contraction, can be provided with boss (17) at the opening part of expanding ring (12), and with the breach of shell (7) front end of boss correspondence position on be provided with the block face (18) that prevents expanding ring opposite shell inordinate rotation.

When mated condition not, expanding ring (12) outer surface withstands and is being distributed in the upward ball (11) of ball hole (9) lining of shell (7), it is adjacent in the groove (8) of adapter sleeve (6), though spring this moment (13) is in squeezed state, but owing to its elastic force of oppressing adapter sleeve (6) vertically passes to adapter sleeve (6) component vertically less than expanding ring (12) compressing ball (11), so can remain on this state.

When assembling, its structure as shown in Figure 3, promote adapter sleeve (6) vertically and go up cover to female (1), when the interior nose circle face of the interior nose circle face of shell (7) and outer conductor (2) withstands and stop motion, adapter sleeve (6) then moves on, when ball (11) during because of radially the component that is subjected to providing greater than expanding ring (12) from adapter sleeve (7) component radially, ball (11) arrives and is adjacent on the inner conical surface (10) at adapter sleeve, and compression expanding ring (12) is stuck in until it, and annular boss (3) is gone up and the other end tightly withstands on the shell (7), compress spring (13) and still be in confined state this moment, so can not get loose between two plugs.

When separating, stir adapter sleeve (6), adapter sleeve (6) opposite shell (7) is to the motion of compression spring (13) compression direction, expanding ring (12) resilience, when expanding ring (12) internal diameter during greater than annular boss (3) external diameter, not mated condition is pulled up and got back to public plug (5).

At shell (7) rotation time, its block face (18) withstands the boss (17) that the opening part of expanding ring (12) is provided with and rotates together.Boss (17) also can be processed into boss radially.

In order to realize water-proof function, can on the inwall of public plug shell (7), be provided with sealing ring (14).

Coaxial cable plug of the present utility model, on business plug (5) be provided with that expanding ring (12) comes and corresponding female (1) on annular boss (3) cooperate and realize self-locking and throw off function; On the inwall of public plug (5), be provided with sealing ring (14), realize water-proof function; Between the overcoat (6) of public plug (5) and shell (7), be provided with the spring (13) that is in compressive state, provide elastic force by this spring (13), indirectly-acting is on expanding ring (12), it is compressed, thereby realize tight contact the on outer conductor (3) and shell (7) circumferential end surfaces, avoid signal because of contacting the incomplete loss that causes.Have the energy fast insert-pull, plug cooperates closely, and the anti-pulling ability is strong, and signal transmission attenuation is little, and the reliability advantages of higher is fit to coaxial cable and is extensive use of.

Claims

1, a kind of coaxial cable plug comprises female and public plug, described public plug comprises adapter sleeve, shell, insulator and contact pin, it is characterized in that public plug also comprises the compression spring, ball, expanding ring and sealing ring, described adapter sleeve is sleeved on the shell front portion, the compression spring is contained between adapter sleeve rear portion and the shell, the shell front inner wall is provided with the collar groove, be distributed with ball hole on the collar groove, expanding ring is installed in the collar groove, ball places ball hole, the inner conical surface front portion of adapter sleeve is provided with a circle ball groove, ball can be sleeved on the housing outside and when moving forward and backward and adapter sleeve inner conical surface and ball groove and between conversion, in the seal groove of the cased wall of sealing ring.

2, coaxial cable plug as claimed in claim 1 is characterized in that the opening part of expanding ring is provided with boss, is provided with block face with the breach of the shell front end of boss correspondence position.