CN201750021U

CN201750021U - Quick-lock radio frequency coaxial connector

Info

Publication number: CN201750021U
Application number: CN2010202696310U
Authority: CN
Inventors: 刘宽; 张�杰
Original assignee: Shanghai Aerospace Science and Industry Appliance Co Ltd
Current assignee: Shanghai Aerospace Science and Industry Appliance Co Ltd
Priority date: 2010-07-23
Filing date: 2010-07-23
Publication date: 2011-02-16
Anticipated expiration: 2020-07-23

Abstract

The utility model discloses a quick-lock radio frequency coaxial connector which is characterized in that: a quick-lock device is disposed at an abutting end of an outer conductor and consists of a shaft sleeve, a small spring, a big spring, an unlock sleeve, a top ring, a retainer ring, and a jacket, wherein the shaft sleeve is sleeved in the unlock sleeve; the jacket and the top ring are fastened to an inner wall and an outer wall at a port of the shaft sleeve respectively; the retainer ring is threadedly connected with one end of the shaft sleeve after steel balls are filled in a circular hole; the small spring and the big spring are sleeved on an inner diameter and an outer diameter of the shaft sleeve respectively; the other end of the shaft sleeve is threadedly connected with the abutting end of the external conductor. Compared with the prior art, the connector has quick plug-in and waterproof functions and further improves connection reliability, particularly suitable for use at severe outdoor environments; moreover, the maintenance cost is greatly reduced and the excellent electrical performance is ensured.

Description

Fast lock radio frequency (RF) coaxial connector

Technical field

The utility model relates to electrical fitting, especially a kind of fast lock radio frequency (RF) coaxial connector with water-proof function.

Background technology

In today of telecommunications develop rapidly, the cost pressure of communications equipment manufacturer is quite huge, except device cost, also comprises the maintenance cost of many equipment, and most of communication equipments all will be installed in the very abominable places of environment such as high mountain, in case safeguard that cost of labor is very high.Yet, radio frequency (RF) coaxial connector of the prior art scarcely has waterproof and fast lock function, operation is inconvenient, efficient is low, especially be not suitable for outdoor operation, along with the application of radio frequency (RF) coaxial connector spare is increasingly extensive, functions such as the miniaturization of connector, high density, highly reliable, fast lock sealing become more and more important.So, possess low cost, highly reliable, lock the trend that multi-functional electric coupler component such as water-tight is general electric connector development soon.

The utility model content

The purpose of this utility model is a kind of fast lock radio frequency (RF) coaxial connector that designs at the deficiencies in the prior art, it seals its inner space by the radial compression with intermateable connector outer conductor inwall, to reach the purpose of waterproof, classification of waterproof can be increased to IP68, and fast insert-pull, improved butt joint speed greatly, reliability height, machinery and excellent electrical properties.

The purpose of this utility model is achieved in that a kind of fast lock radio frequency (RF) coaxial connector, comprise the connector that forms by outer conductor, inner wire and insulator coaxial package, the craft port that is characterized in outer conductor is provided with fast locking device, its port is for being provided with sealing ring, the externally threaded staged mouth of pipe, and outer conductor is provided with the side direction incoming line; Fast locking device by axle sleeve, little spring, big spring, separate lock tube, collar, back-up ring and sheath and form, axle sleeve is the reducing sleeve pipe that two ends are respectively equipped with internal and external screw thread, its external screw thread side radially is provided with several circular holes; Separating lock tube is the sleeve pipe that an end is provided with bayonet socket; Axle sleeve is sleeved on to be separated in the lock tube, card is established sheath, collar on the inside and outside wall of its port, packing in the circular hole is connected with the threaded one end of axle sleeve by back-up ring behind the steel ball, and little spring, big spring are set on the inside and outside footpath of axle sleeve, is threaded with the butt end of outer conductor by the other end of axle sleeve.

One end of described collar is provided with seam, and the other end is provided with flanging.

Described back-up ring is provided with internal thread.

One end of described sheath is a groove, and the other end is provided with flanging.

The utility model compared with prior art has fast insert-pull and water-proof function, has further improved the reliability that connects, and especially is suitable for outdoor adverse circumstances and uses, and can greatly reduce maintenance cost, guarantees good electric property.

Description of drawings

Fig. 1 is the utility model structural representation

Fig. 2 is fast locking device structural representation

Fig. 3 is the outer conductor structural representation

Fig. 4 is the axle sleeve structure schematic diagram

Fig. 5 is a release nested structure schematic diagram

Fig. 6 is the collar structural representation

Fig. 7 is the back-up ring structural representation

Fig. 8 is the jacket structure schematic diagram

Embodiment

Consult accompanying drawing 1, the utility model comprises the connector that is formed by outer conductor 1, inner wire 2 and insulator 3 coaxial packages, the craft port of outer conductor 1 is provided with fast locking device 21, and its port is the staged mouth of pipe that is provided with sealing ring 6, external screw thread 16, and outer conductor 1 is provided with side direction incoming line 14; Fast locking device 21 by axle sleeve 4, little spring 5, big spring 7, separate lock tube 8, collar 9, back-up ring 10 and sheath 12 and form, axle sleeve 4 is respectively equipped with the reducing sleeve pipe of internal and external screw thread for two ends, its external screw thread side radially is provided with several circular holes 22; Separating lock tube 8 is the sleeve pipe that an end is provided with bayonet socket 15; Steel ball 11 is enclosed in the circular hole 22 of axle sleeve 4, card is established sheath 12 on the port inner wall of axle sleeve 4, card is established collar 9 on the port outer wall of axle sleeve 4, be threaded with a port of axle sleeve 4 by back-up ring 10 then, little spring 5 is sleeved in the axle sleeve 4, big spring 7 is sleeved on outside the axle sleeve 4, another port with axle sleeve 4 is threaded with the butt end of outer conductor 1 then, big spring 7 and little spring 5 all have precompression, and the precompression of big spring 7 forces collar 9 to support and compressing steel ball 11 greater than the precompression of little spring 5.

Consult accompanying drawing 2, fast locking device 21 by axle sleeve 4, little spring 5, big spring 7, separate lock tube 8, collar 9, back-up ring 10 and sheath 12 and form, axle sleeve 4 is respectively equipped with the reducing sleeve pipe of internal and external screw thread for two ends, its external screw thread side radially is provided with several circular holes 22; Separating lock tube 8 is the sleeve pipe that an end is provided with bayonet socket 15; Steel ball 11 is enclosed in the circular hole 22 of axle sleeve 4, card is established sheath 12 on the port inner wall of axle sleeve 4, card is established collar 9 on the port outer wall of axle sleeve 4, be threaded with a port of axle sleeve 4 by back-up ring 10 then, little spring 5 is sleeved in the axle sleeve 4, big spring 7 is sleeved on outside the axle sleeve 4 and is assembled into fast locking device 21, then axle sleeve 4 another port is threaded with the butt end of outer conductor 1.

Consult accompanying drawing 3, an end of outer conductor 1 is the staged mouth of pipe, and the other end is provided with end cap 24, the staged mouth of pipe is provided with seal groove 23, external screw thread 16, one side of outer conductor 1 is provided with incoming line 14, and incoming line 14 is axially vertical with outer conductor 1, is provided with sealing ring 6 in the seal groove 23.

Consult accompanying drawing 4, axle sleeve 4 is the reducing sleeve pipe, and the small end of reducing sleeve pipe is provided with external screw thread, radially is provided with several circular holes 22, and the big end of reducing sleeve pipe is provided with internal thread, and steel ball 11 is set in the circular hole 22.

Consult accompanying drawing 5, separate lock tube 8 for being provided with the sleeve pipe of bayonet socket 15, its bayonet socket 15 is arranged in the pipe of port.

Consult accompanying drawing 6, collar 9 is that an end is provided with flanging 18, and the other end is provided with the step 17 on inclined-plane.

Consult accompanying drawing 7, back-up ring 10 is for being provided with the annulus of internal thread.

Consult accompanying drawing 8, sheath 12 is the sleeve pipe that an end is provided with flanging 19, is provided with groove 20 in the mouth of pipe of the other end.

The utility model is to use like this: cable is entered with the termination of inner wire 2 from incoming line 14 fixedly connected, because collar 9 is the step 17 that is provided with the inclined-plane with steel ball 11 contact positions, when the utility model and intermateable connector are in non-locking state, under the effect of big spring 7, by the 17 extruding steel balls 11 of the step on the collar 9, when the utility model and intermateable connector are in locking state, inclined-plane extruding steel ball 11 by step 17, this moment, outer conductor 1 front end inserted in the outer conductor of intermateable connector, because sealing ring 6 is installed in the seal groove 23 of outer conductor 1 front end, sealing ring 6 is in outer conductor 1 stretches into the outer conductor of intermateable connector, form radial compression with its inner space sealing with its inwall, thereby reach the waterproof purpose.

More than just the utility model being further described, is not in order to the restriction this patent, and all is that the utility model equivalence is implemented, and all should be contained within the claim scope of this patent.

Claims

1. lock radio frequency (RF) coaxial connector soon for one kind, comprise the connector that forms by outer conductor (1), inner wire (2) and insulator (3) coaxial package, the craft port that it is characterized in that outer conductor (1) is provided with fast locking device (21), its craft port is for being provided with the staged mouth of pipe of sealing ring (6), external screw thread (16), and outer conductor (1) is provided with side direction incoming line (14); Fast locking device (21) by axle sleeve (4), little spring (5), big spring (7), separate lock tube (8), collar (9), back-up ring (10) and sheath (12) and form, axle sleeve (4) is respectively equipped with the reducing sleeve pipe of internal and external screw thread for two ends, and its external screw thread side radially is provided with several circular holes (22); Separating lock tube (8) is the sleeve pipe that an end is provided with bayonet socket (15); Axle sleeve (4) is sleeved on to be separated in the lock tube (8), card is established sheath (12), collar (9) on the inside and outside wall of its port, the steel ball (11) of packing in the circular hole (22) is back to be connected by the threaded one end of back-up ring (10) with axle sleeve (4), little spring (5), big spring (7) are set on the inside and outside footpath of axle sleeve (4), are threaded with the butt end of outer conductor (1) by the other end of axle sleeve (4).

2. according to the described fast lock radio frequency (RF) coaxial connector of claim 1, it is characterized in that an end of described collar (9) is provided with seam (17), the other end is provided with flanging (18).

3. according to the described fast lock radio frequency (RF) coaxial connector of claim 1, it is characterized in that described back-up ring (10) is provided with internal thread.

4. according to the described fast lock radio frequency (RF) coaxial connector of claim 1, an end that it is characterized in that described sheath (12) is groove (20), and the other end is provided with flanging (19).