CN215070523U

CN215070523U - Booth is apart from test connector

Info

Publication number: CN215070523U
Application number: CN202120003071.2U
Authority: CN
Inventors: 别玉然; 吕银涛; 钱良; 黄颗
Original assignee: Shenzhen Electric Connector Technology Co Ltd
Current assignee: Shenzhen Electric Connector Technology Co Ltd
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-12-07
Anticipated expiration: 2031-01-04

Abstract

The utility model discloses a booth is apart from test connector, include: the probe comprises a main body inner shell, a first insulator, a fixed probe, a main body outer shell, a first spring body, a movable probe, a second insulator, a second outer shell, a second spring body and an outer conductor. Under no exogenic action, the preceding of terminal surface before the outer conductor before the movable probe, the rear end of outer conductor include with the protruding structure of the front end butt of the second spring body to and be located the extension structure between the second spring body and the second insulator, the distance between the terminal surface before extension structure rear end face and the main part shell is less than the distance between the preceding terminal surface of movable probe and the preceding terminal surface of second insulator. Compared with the prior art, the utility model provides a booth can prevent effectively that the probe from taking place to warp, the scheduling problem of rupture apart from test connector, and the test effect is good, long service life, and the test interval is little, can realize many products simultaneous testing, promotes cell-phone signal's efficiency of software testing.

Description

Booth is apart from test connector

Technical Field

The utility model relates to a connector technical field especially relates to a booth is apart from test connector.

Background

With the rapid development of the communication information industry, mobile phones become an indispensable part of people's daily life, and with the increasing demand of people for mobile phones, how to realize the rapid and accurate detection of mobile phone signals is a technical problem that needs to be solved urgently for mobile phone manufacturers.

The prior art (Chinese patent publication No. CN211629350U) discloses a connector for automatic testing, which comprises a main body outer shell, a first insulator, a movable probe, an inner spring, a fixed probe, a second insulator and a main body inner shell, wherein the fixed probe is sleeved in the second insulator, the second insulator is sleeved in the main body inner shell, the inner spring is sleeved in an inner cavity of the fixed probe, the movable probe is sleeved on the first insulator in a penetrating way and clamped in the front part of the inner cavity of the fixed probe, and the main body outer shell is sleeved on the outer side of the first insulator and is connected with the front end of the main body inner shell at the rear end; the groove arranged on the rear end face of the first insulator abuts against the end face of the first step part at the rear end of the movable probe so as to limit the axial movement of the movable probe; the side wall of the groove forms extrusion interference to the end part of the front end of the fixed probe sinking into the groove, so that the end part of the front end of the fixed probe is tightly attached to the outer side of the rear end of the movable probe.

The disadvantages are as follows: the needle head of the movable probe is directly exposed outside, so that the problems of deformation, breakage and the like are easily caused, the test result is influenced, and the service life is short.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a booth apart from test connector can ensure that the activity probe is depositing or difficult emergence deformation, rupture scheduling problem in the use, improves life and test effect, and because the test interval is little, can also realize many products and test simultaneously, promotes the efficiency of software testing of cell-phone signal.

In order to realize the purpose, the utility model discloses the technical scheme who takes is:

a small pitch test connector comprising: the device comprises a main body inner shell, a first insulator, a fixed probe, a main body outer shell, a first spring body, a movable probe, a second insulator, a second outer shell, a second spring body and an outer conductor; wherein:

the fixed probe is sleeved in the first insulator in a penetrating manner, the first insulator is sleeved in the main body inner shell, the first spring body is sleeved in an inner cavity of the fixed probe, the movable probe is sleeved in the second insulator in a penetrating manner and clamped at the front end of the inner cavity of the fixed probe, the rear end of the movable probe is abutted against the first spring body, the front end of the main body outer shell is sleeved on the outer side of the rear end of the second insulator, and the rear end of the main body outer shell is connected with the front end of the main body inner shell; the outer conductor is sleeved at the front end of the movable probe, the second spring body is sleeved on the outer side of the second insulator, the second spring body can be freely and telescopically connected between the main body shell and the outer conductor, the front end of the second shell is sleeved on the outer side of the outer conductor, and the rear end of the second shell is connected with the front end of the main body shell;

under no external force, the preceding terminal surface of outer conductor is in the preceding of the preceding terminal surface of activity probe, the rear end of outer conductor include with the protruding structure of the front end butt of the second spring body, and be located the second spring body with extending structure between the second insulator, extending structure's rear end face with the distance between the preceding terminal surface of main body cover is less than the preceding terminal surface of activity probe with the distance between the preceding terminal surface of second insulator.

Preferably, a groove is formed in the rear end face of the second insulator, a first step structure is arranged at the rear end of the movable probe, and the groove abuts against the end face of the first step structure so as to limit axial movement of the movable probe.

Preferably, an outer wall of the front end of the fixture probe is connected with a side wall of the groove.

Preferably, still include the third spring body, third insulator and flange mounting, the third insulator with the third spring body is located from the front end in proper order towards the rear end cover the outside of the rear end of main part inner shell, the flange mounting is fixed in on the third insulator, the third spring body can freely stretch out and draw back connect in the main part shell with between the third insulator, the one end butt of the third spring body in on the rear end face of main part shell, the other end butt in on the front end face of third insulator.

Preferably, the outer wall of the front end of the main body inner shell is provided with a double-convex rib clamping point, and the rear end of the main body outer shell and the front end of the main body inner shell are mutually clamped and fixed by the double-convex rib clamping point in a clamping manner.

Preferably, the rear end of the main body outer shell is connected with the front end of the main body inner shell in a riveting manner, and the rear end of the second outer shell is connected with the front end of the main body outer shell in a riveting manner.

The beneficial effects of the utility model reside in that: by arranging the second spring body and the outer conductor, when the outer conductor is not acted by external force, the outer conductor can wrap the front end of the movable probe, so that the movable probe can be effectively protected from deformation, breakage and other problems; when the outer conductor is under the action of external force, the second spring body is respectively abutted against the bulge structure and the main body shell, the second spring body is compressed, the outer conductor moves towards the rear end, the movable probe can freely work in the moving stroke of the outer conductor, and meanwhile, the outer conductor has certain deviation rectifying capacity on a product when moving; because the distance between the terminal surface before the terminal surface of extension structure to the main part shell, be less than the distance between terminal surface before the activity probe to the terminal surface before the second insulator, can ensure in whole test procedure that the front end of activity probe can not be absorbed in the second insulator, and then can ensure to remove quick automatic re-setting of activity probe behind the external force, do not influence next test, be favorable to improving efficiency of software testing and booth apart from test connector's life. Compared with the prior art, the utility model provides a booth can prevent effectively that the probe from taking place to warp, the scheduling problem of rupture apart from test connector, and the test effect is good, long service life, and the test interval is little, can realize many products simultaneous testing, promotes cell-phone signal's efficiency of software testing.

Drawings

Fig. 1 is a schematic cross-sectional view of a small-pitch test connector according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of a small-pitch test connector according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a small-pitch test connector according to an embodiment of the present invention.

Reference numerals: 10. a main body inner shell; 11. clamping points of the double convex ribs; 20. a flange fixing member; 30. a third insulator; 40. a third spring body; 50. a first insulator; 60. immobilizing the probe; 70. a main body housing; 80. a first spring body; 90. a movable probe; 91. a first step structure; 100. a second insulator; 101. a groove; 110. a second housing; 120. a second spring body; 130. an outer conductor; 131. a raised structure; 132. and (5) an extension structure.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

The embodiment of the application solves the problem that the needle head of the movable probe in the prior art is directly exposed outside and is easily deformed or broken by providing the small-spacing test connector. In this context, the orientation of the movable probe is the front end or front, and the orientation of the flange fixing member is the rear end or rear. The front end face refers to an end face in a front end position of the part, and the rear end face refers to an end face in a rear end position of the part.

As shown in fig. 1 to 3, the preferred embodiment of the present application:

a small-pitch test connector comprises a main body inner shell 10, a first insulator 50, a fixed probe 60, a main body outer shell 70, a first spring body 80, a movable probe 90, a second insulator 100, a second outer shell 110, a second spring body 120 and an outer conductor 130, wherein the first insulator 50 and the second insulator 100 are made of high-frequency insulating medium materials, and the other parts are made of metal conductor materials.

Referring to fig. 1 again in combination with fig. 2, the assembly relationship of the above components is as follows: the fixed probe 60 is penetratingly sleeved in the first insulator 50, the first insulator 50 is sleeved in the main body inner shell 10, the first spring body 80 is sleeved in an inner cavity of the fixed probe 60, the movable probe 100 is penetratingly sleeved in the second insulator 110 and clamped at the front end of the inner cavity of the fixed probe 60, the outer wall of the rear end of the movable probe 100 is contacted with the inner wall of the fixed probe 60, the rear end of the movable probe 100 is abutted against the first spring body 80, the front end of the main body outer shell 70 is sleeved outside the rear end of the second insulator 110, and the rear end of the main body outer shell 70 is connected with the front end of the main body inner shell 10; the outer conductor 130 is sleeved on the front end of the movable probe 90, the second spring body 120 is sleeved on the outer side of the second insulator 100, the second spring body 120 can be freely and telescopically connected between the main body shell 70 and the outer conductor 130, the front end of the second shell 110 is sleeved on the outer side of the outer conductor 130, and the rear end of the second shell 110 is connected with the front end of the main body shell 70.

Under the action of no external force, the front end face of the outer conductor 130 is in front of the front end face of the movable probe 90, and at the moment, the outer conductor 130 wraps the movable probe 90, so that the movable probe 90 can be protected, and the problems of deformation or breakage and the like of the movable probe are prevented; the rear end of the outer conductor 130 includes a protruding structure 131 abutting against the front end of the second spring body 120, and an extending structure 132 located between the second spring body 120 and the second insulator 100, and a distance between the rear end surface of the extending structure 132 and the front end surface of the main body housing 70 is smaller than a distance between the front end surface of the movable probe 90 and the front end surface of the second insulator 100.

In a working state, the product to be tested is inserted into the front end of the outer conductor 130, and the outer conductor 130 has a certain deviation rectifying function. Since the front end of the second spring body 120 abuts against the boss 131 and the rear end thereof abuts against the main body case 70, when the outer conductor 130 receives a pressure and transmits the pressure to the second spring body 120, the second spring body 120 contracts and the outer conductor 130 moves rearward. As the outer conductor 130 moves rearward, the front end of the movable probe 90 is exposed, and can freely operate within the range of the movement stroke of the outer conductor 130. When the rear end face of the extension structure 132 contacts the front end face of the main body housing 70, the outer conductor 130 stops moving backward, and such a structure design can prevent overvoltage and protect the small-pitch test connector from working normally. Moreover, because the distance between the terminal surface before extension structure 132 rear end face and main body housing 70 is less than the distance between terminal surface before movable probe 90 and the terminal surface before second insulator 100, when the terminal surface contact before extension structure 132 rear end face and main body housing 70, there is still certain distance between terminal surface before movable probe 90 and the terminal surface before second insulator 100, can prevent that movable probe 90 from sinking into in second insulator 100 before the working process terminal surface, can effectual guarantee movable probe 90's resilience performance, and then be favorable to the guarantee test effect, improve the life of booth apart from the test connector.

Preferably, the rear end surface of the second insulator 100 is provided with a groove 101, the rear end of the movable probe 90 is provided with a first step structure 91, and the groove 101 abuts against the end surface of the first step structure 91 so as to limit the axial movement of the movable probe 90, that is, when the groove 101 abuts against the end surface of the first step structure 91, the movable probe 90 moves only when being subjected to an external force in the axial rearward direction. More specifically, the outer wall of the front end of the fixed probe 60 is connected with the side wall of the groove 101 to form an extrusion interference, when the movable probe 90 is assembled on the fixed probe 60, due to the action between the side wall of the groove 101 and the outer wall of the front end of the fixed probe 60, the external thrust of the first spring body 80 to the movable probe 90 can be effectively overcome, and when the second insulator 100, the fixed probe 60, the first spring body 80 and the movable probe 90 are assembled together, the movable probe 90 is effectively prevented from being popped off, so that the part assembly process is easier to realize, and the reject ratio of assembly production is reduced.

Preferably, the small-pitch test connector further includes a third spring body 40, a third insulator 30 and a flange fixing member 20, the third insulator 30 and the third spring body 40 are sequentially sleeved outside the rear end of the main body inner housing 10 from the front end to the rear end, the flange fixing member 20 is fixed on the third insulator 30, the third spring body 40 is freely and telescopically connected between the main body outer housing 70 and the third insulator 30, one end of the third spring body 40 abuts against the rear end face of the main body outer housing 70, and the other end abuts against the front end face of the third insulator 30. The third insulator 30 is made of a high-frequency insulating dielectric material, and the flange fixing member 20 and the third spring body 40 are made of a metal conductor material. The combined part formed by the flange fixing part 20 and the third insulator 40 can freely move axially along the periphery of the main body inner shell 10, and because a test fixture tool (not shown) is fixed to the small-spacing test connector through the flange fixing part 20, the test fixture tool (not shown) drives the flange fixing part 20 to move elastically, so that the test fixture tool (not shown) and the small-spacing test connector form elastic grounding movement, and the small-spacing test connector is prevented from being damaged in the test process.

Preferably, in order to more firmly fix the main body inner case 10 and the main body outer case 70, the outer wall of the front end of the main body inner case 10 is provided with a double convex rib fastening point 11, and the rear end of the main body outer case 70 and the front end of the main body inner case 10 are mutually engaged and are snappingly fixed by the double convex rib fastening point 11.

Preferably, the rear end of the main body outer shell 70 is connected with the front end of the main body inner shell 10 by riveting, and the rear end of the second outer shell 110 is connected with the front end of the main body outer shell 70 by riveting.

The utility model provides a booth is apart from following concrete implementation step equipment of test connector accessible:

1) mounting the fixture probe 60 to the first insulator 50;

2) inserting the assembled fixing probe 60 and the first insulator 50 into the main body inner case 10;

3) mounting the flange fixing member 20 to the main body inner case 10 while mounting the third insulator 30 and the third spring body 40;

4) fitting the first spring body 80 into the lumen of the fixture probe 60;

5) assembling the movable probe 90 with the second insulator 100;

6) sleeving the installed movable probe 90 and the second insulator 100 on the fixed probe 60 to form interference;

7) preassembling the main body outer shell 70 on the assembled main body inner shell 10 of the movable probe 90, the fixed probe 60 and the like, and riveting and fixing;

8) attaching the second spring body 120 and the outer conductor 130 to the second insulator 100;

9) the second housing 110 is preassembled on the main body housing 70 to which the second spring body 120, the outer conductor 130, and the like have been assembled, and is caulked.

To sum up, this equipment simple process can reduce the equipment production defective rate, simultaneously owing to be provided with the second and play spring body and outer conductor, makes the utility model provides a booth can prevent effectively apart from test connector that the probe from taking place to warp, rupture scheduling problem, and the test effect is good, long service life, and the test interval is little, can realize many products simultaneous testing, promotes cell-phone signal's efficiency of software testing.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A small-spacing test connector is characterized by comprising a main body inner shell, a first insulator, a fixed probe, a main body outer shell, a first spring body, a movable probe, a second insulator, a second outer shell, a second spring body and an outer conductor; wherein:

2. The small pitch test connector of claim 1, wherein: the rear end face of the second insulator is provided with a groove, the rear end of the movable probe is provided with a first step structure, and the groove is abutted against the end face of the first step structure so as to limit the axial movement of the movable probe.

3. The small pitch test connector of claim 2, wherein: the outer wall of the front end of the fixed probe is connected with the side wall of the groove.

4. The small pitch test connector of claim 1, wherein: still include the third and play spring body, third insulator and flange mounting, the third insulator with the third plays spring body and locates from the front end in proper order towards the rear end cover the outside of the rear end of main part inner shell, the flange mounting is fixed in on the third insulator, the third play spring body can freely stretch out and draw back connect in main part shell with between the third insulator, the one end butt of the third play spring body in on the rear end face of main part shell, the other end butt in on the preceding terminal surface of third insulator.

5. The small pitch test connector of claim 1, wherein: the outer wall of the front end of the main body inner shell is provided with double convex rib clamping points, and the rear end of the main body outer shell and the front end of the main body inner shell are mutually clamped and fixed in a clamping mode through the double convex rib clamping points.

6. The small pitch test connector of claim 1, wherein: the rear end of the main body outer shell is connected with the front end of the main body inner shell in a riveting mode, and the rear end of the second outer shell is connected with the front end of the main body outer shell in a riveting mode.