Inner conductor jack structure of radio frequency coaxial connector

Abstract

The utility model relates to an inner conductor jack structure of a radio frequency coaxial connector, which relates to the radio frequency communication equipment field, and comprises an inner conductor, a sleeve, a clamping assembly and a limiting assembly, the inner conductor comprises a plugging part located at the end portion, and the plugging part is provided with a slot; the sleeve comprises an assembling part and a limiting part, the assembling part is fixedly arranged on the inserting part in a sleeving mode through a clamping assembly, a limiting hole is formed in the limiting part, and the inner diameter of the limiting hole is consistent with the diameter of the inserting groove; the limiting assembly comprises an annular spring piece, an annular groove is formed in the limiting hole, the two ends of the annular spring piece are inserted into the annular groove, a protrusion is formed in the middle of the annular spring piece in the direction close to the limiting hole, and the inner diameter of the protrusion of the elastic cushion is smaller than the diameter of the inserting groove. According to the utility model, through the sleeve and the limiting assembly, the inner conductor jack structure has the effects that the connection stability is good, and the contact pin is not easy to damage.

Description

TECHNICAL FIELD

[0001] The utility model relates to radio frequency communication equipment field especially a kind of inner conductor jack structure of radio frequency coaxial connector. BACKGROUND

[0002] The dovetail milling cutter is a kind of milling cutter, for milling processing, it is one or more cutter teeth constitute rotating cutter;When working, cutter teeth successively intermittently cut workpiece distribution;Milling cutter is a kind of mainly used for milling machine processing plane, step, slot, forming surface and cutting workpiece.

[0003] Referring to Chinese patent No. 201620134171.8, the inner conductor of the welding connector is directly grooved and closed, then the cable core is chamfered and inserted into the hole of the inner conductor of the connector to form effective contact;But the structure of the inner conductor has a risk, when the cable core is inserted into the hole of the inner conductor, the cable core may be damaged due to the cable skew. UTILITY MODEL CONTENTS

[0004] In order to make the inner conductor jack structure have good connection stability, and not easy to cause damage to the pin, the utility model provides an inner conductor jack structure of radio frequency coaxial connector.

[0005] The utility model provides an inner conductor jack structure of radio frequency coaxial connector, including inner conductor, sleeve, clamping assembly and limiting assembly, the inner conductor includes plug-in part at end part, the plug-in part is equipped with slot;

[0006] The sleeve includes assembly part and limiting part, the assembly part is fixedly sleeved on the plug-in part by the clamping assembly, the limiting hole is formed on the limiting part, and the inner diameter of the limiting hole is consistent with the diameter of the slot;

[0007] The limiting assembly includes annular spring sheet, the limiting hole is provided with annular groove, the both ends of the annular spring sheet are inserted into the annular groove, and the middle part forms protrusion towards the limiting hole, and the inner diameter of the protrusion of the elastic pad is less than the diameter of the slot.

[0008] By adopting the above technical scheme, the sleeve is additionally arranged outside the plug-in part of the inner conductor, the inner diameter of the limiting hole is consistent with the diameter of the slot, the limiting hole plays a guiding role when the cable core is inserted, the annular spring sheet can further limit and fix the cable core, so that the cable core is difficult to shake and tilt during the plug-in process, and the cable core is also difficult to loosen after plug-in, therefore, the arrangement of the sleeve and the annular spring sheet can improve the plug-in accuracy of the cable core, so that the cable core is difficult to shake and tilt during the plug-in process, and the slot is protected.

[0009] Optionally, a guide surface is formed between the inner side of the limiting hole and the end surface of the limiting part.

[0010] Optionally, the limiting assembly further comprises an elastic pad, which is arranged on one side of the annular spring sheet close to the limiting hole.

[0011] Optionally, the limiting assembly further comprises an abutting strip and a plurality of connecting blocks, one end of the connecting block is arranged on the elastic pad, the other end passes through the side wall of the annular spring sheet and is connected with the abutting strip, and the abutting strip is attached to the side wall of the annular spring sheet.

[0012] Optionally, gaps are arranged between the side walls of the recesses on both sides of the annular groove and the two ends of the annular spring sheet along the moving direction of the annular spring sheet.

[0013] Optionally, the clamping assembly comprises a first limiting ring and a second limiting ring, the first limiting ring is arranged on the plug-in part, the second limiting ring is arranged in the assembly part, and the side walls of the first limiting ring and the second limiting ring abut against each other.

[0014] Optionally, a plurality of sliding strips are arranged on the plug-in part, a plurality of sliding channels are arranged in the assembly part, and the sliding strips are slidingly installed in the sliding channels.

[0015] In summary, the utility model has at least one of the following beneficial technical effects:

[0016] 1. The arrangement of the sleeve and the annular spring sheet makes the limiting hole play a guiding role when the cable core is inserted into the insertion slot, and the annular spring sheet can further limit and fix the cable core, so that the cable core is difficult to shake or tilt during the plug-in process, thereby achieving the purpose of protecting the insertion slot.

[0017] 2. During the insertion process of the cable core, if the insertion direction is tilted, the cable core will abut against the side wall of the guide surface, and the guide surface plays a guiding role, so that the cable core can be smoothly inserted into the limiting hole, thereby improving the insertion accuracy of the cable core. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a schematic view of the overall structure;

[0019] Figure 2 is Figure 1 a sectional view along the direction A-A in the B part;

[0020] Figure 3 is Figure 2 an enlarged view of the C part in the B part;

[0021] Figure 4 is Figure 2 an enlarged view of the C part in the B part;

[0022] Figure 5It is a structure diagram after the inner conductor and the sleeve are unfolded.

[0023] Explanation of reference numerals: 10, inner conductor; 11, plug-in part; 12, insertion slot; 13, sliding bar; 20, sleeve; 21, assembly part; 22, limiting part; 23, limiting hole; 231, annular groove; 24, guide surface; 25, sliding groove; 30, clamping assembly; 31, first limiting ring; 32, second limiting ring; 40, limiting assembly; 41, annular spring sheet; 42, elastic pad; 43, abutting strip; 44, connecting block; 45, gap. DETAILED DESCRIPTION

[0024] The following will be described in detail Figures 1-5 The utility model is further described in detail.

[0025] The embodiment discloses an inner conductor jack structure of a radio frequency coaxial connector:

[0026] Reference Figures 1-5 An inner conductor jack structure of a radio frequency coaxial connector comprises an inner conductor 10, a sleeve 20, a clamping assembly 30 and a limiting assembly 40, the inner conductor 10 comprises a plug-in part 11 at an end, the plug-in part 11 is provided with an insertion slot 12;

[0027] The sleeve 20 comprises an assembly part 21 and a limiting part 22, the assembly part 21 is fixedly sleeved on the plug-in part 11 through the clamping assembly 30, a limiting hole 23 is formed in the limiting part 22, and the inner diameter of the limiting hole 23 is consistent with the diameter of the insertion slot 12;

[0028] The limiting assembly 40 comprises an annular spring sheet 41, an annular groove 231 is formed in the limiting hole 23, both ends of the annular spring sheet 41 are inserted into the annular groove 231, the middle part is formed with a protrusion towards the limiting hole 23, and the inner diameter of the protrusion of the elastic pad 42 is smaller than the diameter of the insertion slot 12.

[0029] The sleeve 20 is additionally arranged outside the plug-in part 11 of the inner conductor 10 and sleeved outside the insertion slot 12, the inner diameter of the limiting hole 23 is consistent with the diameter of the insertion slot 12, the limiting hole 23 plays a guiding role when the cable core is inserted, the annular spring sheet 41 can further limit and fix the cable core, so that the cable core is difficult to shake and tilt during the plug-in process, and the cable core is not prone to loosening after being plugged in, therefore, the arrangement of the sleeve 20 and the annular spring sheet 41 can improve the cable core insertion accuracy, so that the cable core is difficult to shake and tilt during the plug-in process, and the insertion slot 12 is protected.

[0030] Reference Figure 1 A guide surface 24 is formed between the inner side surface of the limiting hole 23 and the end surface of the limiting part 22.

[0031] During the insertion of the cable core, if the insertion direction is inclined, the cable core will abut against the side wall of the guide surface 24, and the guide surface 24 plays a guiding role, so that the cable core can be smoothly inserted into the limiting hole 23, and the insertion accuracy of the cable core is improved.

[0032] Referring to Figures 1-3 , the limiting assembly 40 further comprises an elastic pad 42, which is arranged on one side of the annular spring sheet 41 close to the limiting hole 23.

[0033] During the insertion of the cable core, the annular spring sheet 41 can further limit and fix the cable core, and the elastic pad 42 is arranged between the annular spring sheet 41 and the cable core, which can avoid wear between the annular spring sheet 41 and the cable core, and increase the service life of the annular spring sheet 41 and the cable core.

[0034] Referring to Figures 1-3 , the limiting assembly 40 further comprises an abutting strip 43 and a plurality of connecting blocks 44, one end of the connecting block 44 is arranged on the elastic pad 42, the other end passes through the side wall of the annular spring sheet 41 and is connected with the abutting strip 43, and the abutting strip 43 is attached to the side wall of the annular spring sheet 41.

[0035] In order to fix the elastic pad 42 on the annular spring sheet 41, the connecting block 44 passes through the annular spring sheet 41, so that the elastic pad 42 is connected with the abutting strip 43 through the connecting block 44, the abutting strip 43 is attached to the side wall of the annular spring sheet 41, so that the elastic pad 42 is difficult to fall off, and the plurality of connecting blocks 44 are arranged in a ring array on the annular spring sheet 41, so that the elastic pad 42 is difficult to loosen during use.

[0036] Referring to Figures 2-3 , the annular spring sheet 41 is provided with a gap 45 between the side walls of the recesses on both sides of the annular groove 231 along the moving direction of the annular spring sheet 41.

[0037] During the insertion of the cable core, if the cable core abuts against the side wall of the elastic pad 42, the protruding part of the annular spring sheet 41 will be elastically compressed, so that the two ends of the annular spring sheet 41 move in the direction away from each other, and the gap 45 provides a certain moving range for the two ends of the annular spring sheet 41, so that the two ends of the annular spring sheet 41 are difficult to abut against the side walls of the recesses on both sides of the annular groove 231 during the movement, thereby reducing the probability of damage to the side walls of the recesses on both sides of the annular groove 231.

[0038] Referring to Figure 4 , the clamping assembly 30 comprises a first limiting ring 31 and a second limiting ring 32, the first limiting ring 31 is arranged on the plug-in part 11, the second limiting ring 32 is arranged in the assembly part 21, and the side walls of the first limiting ring 31 and the second limiting ring 32 abut against each other.

[0039] When installing the sleeve 20, first align the assembling part 21 with the inserting part 11, and then set the sleeve 20 on the inserting part 11, and continue to move the sleeve 20, the elastic first limiting ring 31 and the second limiting ring 32 abut against each other, the first limiting ring 31 and the second limiting ring 32 abut against each other and are compressed under force, continue to move the sleeve 20 until the first limiting ring 31 and the second limiting ring 32 abut against each other, at this time, the side wall of the inserting part 11 abuts against the side wall of the limiting part 22, the installation is simple and convenient, and the sleeve 20 is difficult to fall off in the daily use.

[0040] With reference to Figure 4 The inserting part 11 is provided with a plurality of sliding strips 13, and the assembling part 21 is provided with a plurality of sliding channels 25, and the sliding strip 13 is slidingly installed in the sliding channel 25.

[0041] When installing the sleeve 20, first align the assembling part 21 with the inserting part 11, and then set the sleeve 20 on the inserting part 11, and make the sliding strip 13 align with the sliding channel 25, so that the sliding strip 13 is slidingly installed in the sliding channel 25, and the sleeve 20 is fixedly installed on the inner conductor 10 in cooperation with the clamping assembly 30, therefore, the sliding strip 13 and the sliding channel 25 are provided for cooperating with the clamping assembly 30, so that the sleeve 20 is difficult to shake in the daily use.

[0042] The above are preferred embodiments of the utility model, and are not used to limit the protection scope of the utility model, therefore: all equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. An inner conductor jack structure for a radio frequency coaxial connector, comprising: Include: Inner conductor (10), sleeve (20), clamping assembly (30) and limiting assembly (40), the inner conductor (10) includes the plug-in part (11) at the end, the plug-in part (11) is provided with slot (12); The sleeve (20) includes assembly part (21) and limiting part (22), the assembly part (21) is fixed on the plug-in part (11) by clamping assembly (30), the limiting hole (23) is provided on the limiting part (22), the inner diameter of the limiting hole (23) is consistent with the diameter of the slot (12); The limiting assembly (40) includes annular spring sheet (41), the limiting hole (23) is provided with annular groove (231), both ends of the annular spring sheet (41) are inserted into the annular groove (231), and the middle part forms a protrusion towards the limiting hole (23); The limiting assembly (40) further includes elastic pad (42), the elastic pad (42) is arranged on one side of the annular spring sheet (41) close to the limiting hole (23), and the inner diameter of the protrusion of the elastic pad (42) is smaller than the diameter of the slot (12).

2. An inner conductor jack structure for a radio frequency coaxial connector as defined in Claim 1, wherein: The guide surface (24) is formed between the inner side surface of the limiting hole (23) and the end surface of the limiting part (22).

3. An inner conductor jack structure for a radio frequency coaxial connector as defined in Claim 2, wherein: The limiting assembly (40) further includes abutting strip (43) and multiple connecting blocks (44), one end of the connecting block (44) is arranged on the elastic pad (42), the other end passes through the side wall of the annular spring sheet (41) and is connected with the abutting strip (43), and the abutting strip (43) is attached to the side wall of the annular spring sheet (41).

4. An inner conductor jack structure for a radio frequency coaxial connector according to any one of claims 1-3, characterized in that: The gap (45) is arranged between both ends of the annular spring sheet (41) and the side wall of the annular groove (231) on both sides of the recess in the moving direction of the annular spring sheet (41).

5. An inner conductor jack structure for a radio frequency coaxial connector as defined in Claim 4, wherein: The clamping assembly (30) includes first limiting ring (31) and second limiting ring (32), the first limiting ring (31) is arranged on the plug-in part (11), the second limiting ring (32) is arranged in the assembly part (21), and the side wall of the first limiting ring (31) is abutted with the second limiting ring (32).

6. An inner conductor jack structure for a radio frequency coaxial connector as defined in Claim 5, wherein: Multiple sliding strips (13) are arranged on the plug-in part (11), multiple sliding channels (25) are arranged in the assembly part (21), and the sliding strip (13) is slidingly installed in the sliding channel (25).

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