CN220084932U

CN220084932U - Test assembly

Info

Publication number: CN220084932U
Application number: CN202321656669.7U
Authority: CN
Inventors: 周鹏; 毛培宇
Original assignee: Hefei Silicon Valley Microelectronics Co ltd
Current assignee: Hefei Silicon Valley Microelectronics Co ltd
Priority date: 2023-06-28
Filing date: 2023-06-28
Publication date: 2023-11-24
Anticipated expiration: 2033-06-28

Abstract

The utility model belongs to the technical field of test tools and discloses a test assembly. The tool body comprises a positioning hole, and the first screw-connection piece is used for penetrating the positioning hole and is in threaded connection with a mounting hole on a bottom shell of a product to be tested; the connector is fixedly arranged on the tool body, the first end of the connector is used for being electrically connected with a circuit board of a product to be tested, and the second end of the connector is used for being connected with test equipment. According to the testing component provided by the utility model, the first screw connector is penetrated through the positioning hole and is in threaded connection with the mounting hole, and the connector is fixed on the tool body, so that the purpose of fixing the connector in the bottom shell of a product to be tested is realized, the connection is convenient and reliable, the disassembly and assembly are convenient, the testing efficiency is effectively improved, the first screw connector is in threaded connection with the mounting hole, and the fixing of the connector does not occupy other space and structure of the bottom shell.

Description

Test assembly

Technical Field

The utility model relates to the technical field of test tools, in particular to a test assembly.

Background

In military and civil equipment, electronic products are widely applied, products are generally required to be tested before leaving factories, and with development of technology, test items and requirements on the products are more and more increased, for example, noise coefficients in the products, bandwidths of analog filters of receiving channels, channel gains, gain consistency among channels, stability of each channel, isolation among receiving channels, image frequency suppression degree, intermediate frequency output signals and the like are detected.

In the prior art, circuit boards of some electronic products are required to be connected with external connectors and are connected with testing equipment through the external connectors, so that the connectors are usually fixed in a manner of adhesive tape, hot melt adhesive and the like in order to ensure the connection stability of the circuit boards and the connectors, and the connectors are generally very small, so that the disassembly and assembly are inconvenient, and the testing efficiency is influenced.

Disclosure of Invention

The utility model aims to provide a testing component which is convenient for positioning and mounting a connector, convenient for dismounting and effectively improves the testing efficiency.

To achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a test assembly is applied to the product that awaits measuring, the product that awaits measuring includes drain pan, upper cover, spiro union spare and circuit board, be provided with the mounting hole on the drain pan, the spiro union spare wear to establish the upper cover and with mounting hole threaded connection, the circuit board set up in the drain pan, test assembly includes:

the tool body comprises a positioning hole;

the first screw connection piece is used for penetrating the positioning hole and being in threaded connection with the mounting hole;

the connector is fixedly arranged on the tool body, a first end of the connector is used for being electrically connected with the circuit board, and a second end of the connector is used for being connected with test equipment.

Optionally, the frock body includes the locating surface, the interval is provided with a plurality of on the locating surface the locating hole, first spiro union piece be provided with a plurality of and with the locating hole one-to-one sets up.

Optionally, the tool body comprises a mounting surface, a groove is formed in the mounting surface, and the connector is fixedly arranged in the groove.

Optionally, the positioning surface is perpendicular to the mounting surface.

Optionally, the first end of the connector is provided with an insulator, a through hole is formed in the bottom surface of the groove, the insulator penetrates through the through hole, and the connector can be overlapped with the circuit board through the insulator.

Optionally, the insulator is soldered to the first end of the connector, and the end of the through hole facing the connector is provided with a countersink for receiving solder between the insulator and the connector.

Optionally, an inner surface of one end of the through hole facing away from the connector is provided with an annular table, and the annular table abuts against the insulator.

Optionally, the tool further comprises a second screw connector, wherein a positioning lug is arranged on the periphery of the connector, and the second screw connector penetrates through the positioning lug and is in threaded connection with the tool body.

Optionally, two positioning ears are arranged at intervals of 180 degrees.

Optionally, the second end of the connector is a male or female head of an SMA connector.

The utility model has the beneficial effects that:

according to the testing component provided by the utility model, the first screw connector is penetrated through the positioning hole and is in threaded connection with the mounting hole, and the connector is fixed on the tool body, so that the purpose of fixing the connector in the bottom shell of a product to be tested is realized, the connection is convenient and reliable, the disassembly and assembly are convenient, and the testing efficiency is effectively improved. In addition, the first screw-connection piece is in threaded connection with the mounting hole, and other spaces and structures of the bottom shell are not occupied by the fixing of the connector.

Drawings

FIG. 1 is a schematic view of a test assembly according to the present utility model;

FIG. 2 is a schematic view of another view of the test assembly according to the present utility model;

FIG. 3 is a schematic diagram of the positional relationship between the test assembly and the product to be tested according to the present utility model;

FIG. 4 is a cross-sectional view of a test assembly provided by the present utility model.

In the figure:

110. a bottom case; 111. a mounting hole; 120. a circuit board;

210. a tool body; 211. a positioning surface; 2111. positioning holes; 212. a mounting surface; 2121. a groove; 2122. perforating; 21221. sinking grooves; 21222. an annular table; 220. a connector; 221. positioning the ear; 230. an insulator; 240. a second screw; 250. and an elastic gasket.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Referring to fig. 1 to 4, the present embodiment provides a testing assembly applied to a product to be tested.

Specifically, the product to be tested includes a bottom shell 110, an upper cover (not shown), a screw connector (not shown) and a circuit board 120, wherein a mounting hole 111 is provided on the bottom shell 110, the screw connector penetrates through the upper cover and is in threaded connection with the mounting hole 111, and the circuit board 120 is disposed in the bottom shell 110.

Specifically, the test assembly includes a tooling body 210, a first screw (not shown), and a connector 220. The tool body 210 comprises a positioning hole 2111, and the first screw is used for penetrating the positioning hole 2111 and being in threaded connection with the mounting hole 111; the connector 220 is fixedly disposed on the tool body 210, a first end of the connector 220 is used for electrically connecting with the circuit board 120, and a second end of the connector 220 is used for connecting with test equipment.

In this embodiment, the first screw member is threaded through the positioning hole 2111 and is in threaded connection with the mounting hole 111, and the connector 220 is fixed on the tool body 210, so as to achieve the purpose of fixing the connector 220 in the bottom shell 110 of the product to be tested, so that the connection is convenient and reliable, the disassembly and assembly are convenient, and the testing efficiency is effectively improved. In addition, the first screw connection piece is in threaded connection with the mounting hole 111, so that the product to be tested can be connected with the connector 220 and fixed to the connector 220 without arranging other connection structures, namely, the fixing of the connector 220 does not occupy other spaces and structures of the bottom shell 110, and the structure of the product to be tested is more compact when the product to be tested is designed.

It should be noted that the specification and the size of the first screw may be the same as the specification and the size of the screw for connecting the bottom case 110 and the upper cover in the product to be tested. In this embodiment, when the screw-connection piece is removed from the upper cover and the upper cover is opened on the bottom shell 110, the tool body 210 can be directly fixed on the bottom shell 110 by using the screw-connection piece removed from the upper cover, so as to improve the applicability of the test assembly.

In this embodiment, referring to fig. 2, the tool body 210 includes a positioning surface 211, a plurality of positioning holes 2111 are disposed on the positioning surface 211 at intervals, and the first screw member is provided with a plurality of positioning holes 2111 and is disposed in one-to-one correspondence with the positioning holes 2111. In the present embodiment, the applicability of the test assembly can be improved by the design of the plurality of positioning holes 2111 and the first screw. Specifically, for different positions of the mounting holes 111 on different products to be tested, two positioning holes 2111 matching with the positions of the mounting holes 111 on the bottom shell 110 can be selected, and the two positioning holes 2111 are respectively and correspondingly threaded through the two first screw connectors and are respectively connected with the two mounting holes 111 on the bottom shell 110 in a threaded manner, so that the purpose of fixing the tool body 210 and the connector 220 is achieved. In addition, the positioning surface 211 is attached to a plane of the bottom case 110 provided with the mounting hole 111, so as to ensure the mounting accuracy of the tool body 210 and the connector 220, and make the connector 220 suitable for being electrically connected with the circuit board 120.

In one possible embodiment, two positioning holes 2111 are provided on the tool body 210, and the two positioning holes 2111 are provided at two ends of the tool body 210, respectively. Wherein, the tool body 210 is in a strip shape, and two ends of the tool body 210 refer to two sides along the length direction thereof. In this embodiment, the two positioning holes 2111 are provided, so that the tool body 210 is only suitable for the bottom shell 110 with one specification, that is, the two positioning holes 2111 are matched with the positions of the two mounting holes 111, and the two positioning holes 2111 are respectively provided at two ends of the tool body 210, so that the tool body 210 has a compact structure, and the situation of position interference during mounting is effectively prevented. Illustratively, the tool body 210 may be provided in a plurality of sizes, with the distance between the two positioning holes 2111 of each size being different.

In a possible embodiment, the end portion of the positioning hole 2111 located on the positioning surface 211 is provided with a tapered groove, and the tapered groove has a guiding function, so that when the first screw member is screwed to fix the tool body 210, the function of fine tuning the position of the tool body 210 can be achieved, and the connection precision of the connector 220 and the circuit board 120 is effectively ensured.

In this embodiment, as shown in fig. 2, the tool body 210 includes a mounting surface 212, a groove 2121 is formed on the mounting surface 212, and the connector 220 is fixedly disposed in the groove 2121, so that the structural compactness of the testing assembly is effectively improved, and position interference during mounting is prevented.

In the present embodiment, referring to fig. 2 and 4, the first end of the connector 220 is provided with an insulator 230, and the connector 220 is overlapped with the circuit board 120 through the insulator 230, so as to realize the electrical connection between the connector 220 and the circuit board 120.

Further, the second end of the connector 220 is a male or female end of the SMA connector 220, which is convenient to electrically connect with the testing device, and the SMA connector 220 joint has the characteristics of wide frequency range, convenient connection and separation, reliable connection, and the like, and is suitable for testing, and effectively ensures the testing precision.

In a possible embodiment, the bottom surface of the groove 2121 is provided with a through hole 2122, the insulator 230 is disposed through the through hole 2122, and the connector 220 can be overlapped with the circuit board 120 through the insulator 230. In this embodiment, the design of the through hole 2122 enables a more compact structure of the test assembly, further preventing position interference during installation. In addition, the through hole 2122 has a limiting function on the insulator 230, so that an accurate positional relationship between the insulator 230 and the tool body 210 is maintained, that is, when the tool body 210 is fixed in the bottom shell 110, the insulator 230 just overlaps the circuit board 120. Illustratively, an end of the insulator 230 facing away from the connector 220 extends beyond the through hole 2122 to facilitate the overlap of the insulator 230 with the circuit board 120.

In a possible embodiment, the insulator 230 is soldered to the first end of the connector 220, and in order to prevent the solder between the insulator 230 and the connector 220 from interfering, a countersink 21221 is disposed at an end of the through hole 2122 facing the connector 220, and the solder between the insulator 230 and the connector 220 is received by the countersink 21221, so that the insulator 230 is mounted in place relative to the through hole 2122, and the positional accuracy of the insulator 230 is ensured. Illustratively, the sink 21221 has a depth of 0.5mm-1mm.

In a possible embodiment, an inner surface of one end of the through hole 2122 facing away from the connector 220 is provided with an annular table 21222, and the annular table 21222 abuts against the insulator 230 to cooperate with the connector 220 to limit the insulator 230, so that the stability of the position of the insulator 230 is effectively ensured.

In one possible embodiment, to further ensure the connection reliability between the insulator 230 and the circuit board 120, the insulator 230 and the circuit board 120 may be welded together, and after the test is completed, removed by fusion welding.

In a possible implementation manner, the positioning surface 211 is perpendicular to the mounting surface 212, so that the assembly and disassembly are convenient, and the testing efficiency is effectively improved. When frock body 210 is fixed in drain pan 110, the insulator 230 exposes outside part and circuit board 120 overlap joint, conveniently observes the connection condition of insulator 230 and circuit board 120, and conveniently welds circuit board 120 and insulator 230 together, when the test is accomplished the back, also convenient fusion welding when need demolish test assembly.

Of course, the positioning surface 211 and the mounting surface 212 may be disposed in parallel, or the positioning surface 211 and the mounting surface 212 may be the same plane, or the positioning surface 211 and the mounting surface 212 may be disposed at other angles. In this embodiment, the positional relationship between the positioning surface 211 and the mounting surface 212 may be determined according to the actual structure of the product to be tested, and the present utility model is not limited thereto.

In this embodiment, referring to fig. 1 and 2, the test assembly further includes a second screw member 240, a positioning ear 221 is disposed on a peripheral side of the connector 220, the second screw member 240 penetrates the positioning ear 221 and is in threaded connection with the tool body 210, and the connector 220 is detachably connected with the tool body 210 in a threaded connection manner, so that when the connector 220 is damaged, replacement is facilitated. In this embodiment, to ensure stable connection between the connector 220 and the tool body 210, an elastic washer 250 may be inserted through the second screw member 240.

Specifically, the positioning ear 221 is provided with a first through hole (not shown), the tool body 210 is provided with a second through hole corresponding to the through hole, and the second screw member 240 penetrates through the first through hole and is in threaded connection with the second through hole.

In one possible embodiment, the positioning lugs 221 are two and are disposed at 180 ° intervals, so that the connector 220 is stably fixed on the tool body 210, and the structural compactness of the long tool body 210 is ensured.

As shown in fig. 3, two circuit boards 120 are disposed in the bottom case 110 of the product to be tested, i.e. two circuit boards 120 of the product to be tested are required to be tested, i.e. two testing components are mounted in the bottom case 110 of the product to be tested to complete the testing. Specifically, the upper cover on the bottom shell 110 is removed, two test assemblies can be installed for testing, one test assembly can be connected with one circuit board 120 in a product to be tested for testing, after the testing is completed, the removed test assembly is connected with the other circuit board 120 for testing, and the testing efficiency is improved conveniently and rapidly.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. The utility model provides a test assembly, is applied to the product that awaits measuring, the product that awaits measuring includes drain pan (110), upper cover, spiro union piece and circuit board (120), be provided with mounting hole (111) on drain pan (110), the spiro union piece wear to establish the upper cover and with mounting hole (111) threaded connection, circuit board (120) set up in drain pan (110), its characterized in that, test assembly includes:

the tool body (210) comprises a positioning hole (2111);

the first screw joint piece is used for penetrating the positioning hole (2111) and being in threaded connection with the mounting hole (111);

the connector (220) is fixedly arranged on the tool body (210), a first end of the connector (220) is used for being electrically connected with the circuit board (120), and a second end of the connector (220) is used for being connected with test equipment.

2. The test assembly of claim 1, wherein the tool body (210) includes a positioning surface (211), a plurality of positioning holes (2111) are provided on the positioning surface (211) at intervals, and the first screw connector is provided with a plurality of positioning holes (2111) and is arranged in a one-to-one correspondence.

3. The test assembly of claim 2, wherein the tool body (210) includes a mounting surface (212), the mounting surface (212) is provided with a groove (2121), and the connector (220) is fixedly disposed in the groove (2121).

4. A test assembly according to claim 3, wherein the locating surface (211) is arranged perpendicular to the mounting surface (212).

5. A test assembly according to claim 3, wherein the first end of the connector (220) is provided with an insulator (230), the bottom surface of the groove (2121) is provided with a through hole (2122), the insulator (230) is arranged through the through hole (2122), and the connector (220) can be lapped with the circuit board (120) through the insulator (230).

6. The test assembly of claim 5, wherein the insulator (230) is soldered to the first end of the connector (220), the end of the through hole (2122) facing the connector (220) being provided with a countersink (21221), the countersink (21221) being adapted to receive solder between the insulator (230) and the connector (220).

7. The test assembly of claim 5, wherein an inner surface of the end of the bore (2122) facing away from the connector (220) is provided with an annular land (21222), the annular land (21222) abutting the insulator (230).

8. The test assembly according to claim 1, further comprising a second screw (240), wherein a positioning ear (221) is provided on a peripheral side of the connector (220), and wherein the second screw (240) is threaded through the positioning ear (221) and is in threaded connection with the tool body (210).

9. The test assembly of claim 8, wherein the positioning ears (221) are provided in two and 180 ° apart.

10. The test assembly of claim 1, wherein the second end of the connector (220) is a male or female head of an SMA connector (220).