CN218180936U

CN218180936U - Probe head assembly of electronic component testing device

Info

Publication number: CN218180936U
Application number: CN202222437624.2U
Authority: CN
Inventors: 杨国牛; 毛雪; 苗涛涛; 虞帆; 陶洋; 金颖颖
Original assignee: Yangzhou Xigu Aerial Survey And Detection Technology Service Co ltd
Current assignee: Yangzhou Xigu Aerial Survey And Detection Technology Service Co ltd
Priority date: 2022-09-15
Filing date: 2022-09-15
Publication date: 2022-12-30
Anticipated expiration: 2032-09-15

Abstract

The utility model discloses an electronic components testing arrangement's probe head subassembly, including the needle tubing, the inside test spring that is equipped with of needle tubing and the outside probe that stretches out the needle tubing, the below of probe is equipped with the plunger, the upper end external fixation of needle tubing has the locating plate, the below of locating plate is located the needle tubing external fixation and has the fixed block, the needle tubing passes through the fixed block and installs on testing arrangement's mounting panel, wear to be equipped with the mounting groove on the mounting panel, the fixed block runs through the mounting groove, the locating plate is located the top of mounting panel, the constant head tank has been seted up to one side of mounting groove, the draw-in groove has been seted up to one side of fixed block, the inside of draw-in groove is fixed with the installation spring, the other end of installation spring is fixed with the inside fixture block that stretches into the constant head tank, the block is connected between fixture block and the constant head tank, the utility model discloses can make the outside fixed block of needle tubing fix in the mounting groove of seting up on testing arrangement on the mounting panel through the cooperation of fixture block and installation spring and constant head tank, and then can carry out quick fixation to the probe.

Description

Probe head assembly of electronic component testing device

Technical Field

The utility model relates to a detect technical field, especially relate to an electronic components testing arrangement's probe head subassembly.

Background

The probe is a contact medium for electrical test and is a high-end precise electronic hardware component. The existing probe structure generally comprises a needle tube, a plunger and a spring, in order to reduce the length of the probe, the existing probe adopts a plunger structure, namely, the end part of the plunger is a lower probe, the plunger is telescopically connected with one end of the needle tube, the other end of the needle tube is integrally formed with an upper probe, and the length of the probe is reduced through the structure;

the existing probe is mostly fixed on a mounting plate on a testing device through a bolt, the probe can be replaced along with different electronic components in the using process, when the existing probe is replaced, a plug connected to a lead above the existing probe is required to be firstly pulled out of the testing device, then the fixing bolt is taken down, the probe is removed, and the existing probe is inconvenient to replace and affects the testing efficiency of the testing device.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides an electronic components testing arrangement's probe head subassembly can make the outside fixed block of needle tubing fix the mounting groove of seting up on the mounting panel on testing arrangement through the cooperation of fixture block and installation spring and constant head tank in, and then can carry out quick fixed to the probe, also only needs to promote the fixture block when dismantling simultaneously and makes it leave the mounting groove and can take off the probe, and is very convenient.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides an electronic components testing arrangement's probe head subassembly, includes the needle tubing, the inside test spring that is equipped with of needle tubing and stretch out the outside probe of needle tubing, the below of probe is equipped with the plunger, the upper end external fixation of needle tubing has the locating plate, the below of locating plate is located the needle tubing external fixation and is equipped with the fixed block, the needle tubing passes through the fixed block is installed on testing arrangement's mounting panel, wear to be equipped with the mounting groove on the mounting panel, the fixed block runs through the mounting groove, the locating plate is located the top of mounting panel, the constant head tank has been seted up to one side of mounting groove, the draw-in groove has been seted up to one side of fixed block, the inside installation spring that is fixed with of draw-in groove, the other end of installation spring is fixed with the fixture block that stretches into the constant head tank inside, the block is connected between fixture block and the constant head tank.

As a preferred technical scheme of the utility model, the side of mounting panel is stretched out to the one end of constant head tank, the inside locating lever that is equipped with of constant head tank, one side of locating lever is stretched out the mounting panel outside and is fixed with and presses the briquetting.

As a preferred technical scheme of the utility model, the spacing groove has been seted up to inside one side of constant head tank, spacing inslot portion is close to the spacing spring of fixedly connected with on one side inner wall of mounting groove, the other end fixedly connected with stopper of spacing spring, the bottom of stopper stretch into the constant head tank inside and with the locating lever between fixed connection.

As a preferred technical scheme of the utility model, the inside of needle tubing is the cavity setting, the test spring is located inside the needle tubing, the bottom of test spring is connected with the upper end of probe, inside the upper end of probe stretched into the needle tubing, the upper end of test spring is fixed with the installation piece, the upper end of installation piece is fixed in the inside upper end of needle tubing, the top of installation piece is connected with the wire.

As a preferred technical scheme of the utility model, the one end that stretches into the constant head tank inside on the fixture block is the hemisphere, the inside cross-section of constant head tank be circular and with the fixture block between the block be connected.

As a preferred technical scheme of the utility model, fixed block and locating plate are insulating material.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

the utility model discloses can make the outside fixed block of needle tubing fix the mounting groove of seting up on the mounting panel on testing arrangement in the cooperation of fixture block and installation spring and constant head tank, and then can carry out quick fixed to the probe, also only need promote the fixture block when dismantling simultaneously and make it leave the mounting groove and can take off the probe, it is very convenient.

Drawings

FIG. 1 is a schematic view of the overall installation structure of the present invention;

fig. 2 is a schematic view of the connection structure between the middle fixing block and the mounting plate of the present invention;

FIG. 3 is an enlarged view of the point A of FIG. 2 according to the present invention;

fig. 4 is a schematic view of the internal structure of the middle needle tube of the present invention.

Wherein: 1. a needle tube; 2. a plunger; 3. a probe; 4. positioning a plate; 5. a fixed block; 6. mounting a plate; 7. mounting grooves; 8. a card slot; 9. installing a spring; 10. a clamping block; 11. positioning a groove; 12. positioning a rod; 13. a pressing block; 14. mounting blocks; 15. a limiting groove; 16. a limiting spring; 17. a limiting block; 18. the spring was tested.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1 and 2, the utility model provides a probe head assembly of an electronic component testing device, including a needle tube 1, a testing spring 18 and a probe 3 extending out of the needle tube 1 are arranged inside the needle tube 1, a plunger 2 is arranged below the probe 3, a positioning plate 4 is fixed outside the upper end of the needle tube 1, a fixed block 5 is fixed outside the needle tube 1 below the positioning plate 4, the needle tube 1 is installed on a mounting plate 6 on the testing device through the fixed block 5, a mounting groove 7 is arranged on the mounting plate 6 in a penetrating manner, the fixed block 5 penetrates through the mounting groove 7, the positioning plate 4 is positioned above the mounting plate 6, a positioning groove 11 is arranged on one side of the mounting groove 7, a clamping groove 8 is arranged on one side of the fixed block 5, a mounting spring 9 is fixed inside the clamping groove 8, a clamping block 10 extending into the positioning groove 11 is fixed at the other end of the mounting spring 9, the clamping connection is arranged between the clamping block 10 and the positioning groove 11, one end of the positioning groove 11 extends out of the mounting plate 6, a positioning rod 12 is arranged inside the positioning groove 11, one side of the positioning rod 12 extends out of the mounting plate 6 and is fixed with a pressing block 13;

when the device is used, the plunger 2 below the needle tube 1 is directly inserted downwards through the mounting groove 7 on the mounting plate 6, when the fixing block 5 is inserted into the mounting groove 7, the hemispherical radian of one end of the fixture block 10 slides along with the fixing block 5 in the mounting groove 7 and between the fixture groove 7, meanwhile, the fixture block 10 gradually shrinks and returns to the clamping groove 8, meanwhile, the mounting spring 9 can be compressed, until the fixture block 10 extends into the mounting groove 7 and corresponds to the positioning groove 11, the mounting spring 9 can reset by itself and pushes the fixture block 10 to extend into the positioning groove 11, and then the fixing between the fixing block 5 and the mounting plate 6 can be carried out.

As shown in fig. 1, 2 and 3, a limiting groove 15 is formed in one side inside the positioning groove 11, a limiting spring 16 is fixedly connected to the inner wall of one side, close to the mounting groove 7, inside the limiting groove 15, a limiting block 17 is fixedly connected to the other end of the limiting spring 16, and the bottom of the limiting block 17 extends into the positioning groove 11 and is fixedly connected with the positioning rod 12; through the setting of limiting spring 16 and stopper 17 and spacing groove 15, locating lever 12 removes and drives stopper 17 synchronous motion thereupon when pressing according to briquetting 13, stopper 17 can compress limiting spring 16 simultaneously, when loosening according to briquetting 13, limiting spring 16 can reset by self and promote stopper 17 and remove, drive the locating lever 12 removal rather than fixed, make according to briquetting 13 automatic rebound, continue to press according to briquetting 13 conveniently next time, setting of stopper 17 can also carry on spacingly to locating lever 12 simultaneously, prevent that locating lever 12 breaks away from constant head tank 11 and causes and loses.

As shown in fig. 1, 2 and 4, the needle tube 1 is hollow, the test spring 18 is located inside the needle tube 1, the bottom of the test spring 18 is connected with the upper end of the probe 3, the upper end of the probe 3 extends into the needle tube 1, the upper end of the test spring 18 is fixed with the mounting block 14, the upper end of the mounting block 14 is fixed at the upper end inside the needle tube 1, a wire is connected above the mounting block 14, one end of the fixture block 10 extending into the positioning groove 11 is hemispherical, the cross section inside the positioning groove 11 is circular and is in clamping connection with the fixture block 10, and the fixing block 5 and the positioning plate 4 are both made of insulating materials; through all setting up fixed block 5 and locating plate 4 to insulating material can conveniently provide the guarantee to the security of staff when changing the probe.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electronic components testing arrangement's probe head subassembly, includes needle tubing (1), needle tubing (1) inside is equipped with test spring (18) and stretches out outside probe (3) of needle tubing (1), the below of probe (3) is equipped with plunger (2), its characterized in that: the upper end external fixation of needle tubing (1) has locating plate (4), the below of locating plate (4) is located needle tubing (1) external fixation and is equipped with fixed block (5), needle tubing (1) passes through on mounting panel (6) on testing arrangement is installed in fixed block (5), wear to be equipped with mounting groove (7) on mounting panel (6), fixed block (5) run through mounting groove (7), locating plate (4) are located the top of mounting panel (6), constant head tank (11) have been seted up to one side of mounting groove (7), draw-in groove (8) have been seted up to one side of fixed block (5), the inside of draw-in groove (8) is fixed with installation spring (9), the other end of installation spring (9) is fixed with fixture block (10) that stretch into constant head tank (11) inside, the block is connected between fixture block (10) and constant head tank (11).

2. The probe head assembly of an electronic component testing device as claimed in claim 1, wherein: one end of the positioning groove (11) extends out of the side face of the mounting plate (6), a positioning rod (12) is arranged inside the positioning groove (11), and one side of the positioning rod (12) extends out of the mounting plate (6) and is fixed with a pressing block (13).

3. The probe head assembly of an electronic component testing device as claimed in claim 2, wherein: spacing groove (15) have been seted up to inside one side of constant head tank (11), spacing groove (15) inside be close to on one side inner wall of mounting groove (7) spacing spring (16) of fixedly connected with, the other end fixedly connected with stopper (17) of spacing spring (16), the bottom of stopper (17) stretch into constant head tank (11) inside and with fixed connection between locating lever (12).

4. The probe head assembly for an electronic component device testing apparatus as claimed in claim 1, wherein: the inside of needle tubing (1) sets up for cavity, test spring (18) are located inside needle tubing (1), the bottom of test spring (18) is connected with the upper end of probe (3), the upper end of probe (3) stretches into inside needle tubing (1), the upper end of test spring (18) is fixed with installation piece (14), the upper end of installation piece (14) is fixed in the inside upper end of needle tubing (1), the top of installation piece (14) is connected with the wire.

5. The probe head assembly of an electronic component testing device as claimed in claim 1, wherein: the end of the clamping block (10) extending into the positioning groove (11) is hemispherical, and the cross section of the inner portion of the positioning groove (11) is circular and is connected with the clamping block (10) in a clamping mode.

6. The probe head assembly of an electronic component testing device as claimed in claim 1, wherein: the fixing block (5) and the positioning plate (4) are made of insulating materials.