CN213149162U

CN213149162U - Debugging clamp for surface-mounted products

Info

Publication number: CN213149162U
Application number: CN202021511307.5U
Authority: CN
Inventors: 刘钦清
Original assignee: CHENGDU SHIYUAN FREQUENCY CONTROL TECHNOLOGY CO LTD
Current assignee: CHENGDU SHIYUAN FREQUENCY CONTROL TECHNOLOGY CO LTD
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-05-07
Anticipated expiration: 2030-07-27

Abstract

The utility model discloses a table pastes type product debugging anchor clamps, including a table pastes type product's debugging anchor clamps, including the middle interior base that sets the position that forms of indent, set up and be used for the crimping table to paste type product's clamp plate above placing the position, set up in the spacing subassembly of clamp plate avris, set up the keysets in placing the recess of position avris, set up the spring leaf on the transmission line of keysets to and set up in the connector and the insulator of base periphery side. The placing position of the base is used for placing the PCB of the surface-mounted product, the inner conductors of the connector and the insulator are lapped on a transmission line of the connecting plate, and the upper surface of the adapter plate is flush with the placing position. The spring piece is welded on the adapter plate, so that poor contact between a bonding pad at the bottom of the PCB of the surface-mounted product and the transmission line is avoided.

Description

Debugging clamp for surface-mounted products

Technical Field

The utility model relates to an electronic product debugging tool relates to a table and pastes a class product debugging anchor clamps rather than.

Background

With the further development of electronic technology, the demand of communication systems for miniaturization of products is higher and higher, and in some applications, the demand for module size and installation mode is higher, and surface-mounted products are produced in response to the demands, for example: surface-mounted LC filter, surface-mounted crystal oscillator, surface-mounted comb spectrum, surface-mounted frequency multiplier, etc., the appearance characteristics of these products: the PCB is miniaturized, an element is attached to the top of the PCB, a port welding pad is arranged at the bottom of the PCB, and a metal cover is added on the PCB for protecting the element on the top surface of most products, so that the appearance of the products is attractive. This product need debug the product before the installation metal cover, may need to change the component on the PCB board at the debugging in-process, and the product need not install through welding bottom pad because of small, and pad surface treatment often is the gilding moreover, if test through welding bottom pad in the debugging in-process, can lead to the pad surface to have soldering tin to remain, destroys the product outward appearance. Therefore, a special debugging clamp is required to be used to ensure the qualified appearance of the product and improve the debugging efficiency.

The main debugging clamp in the industry at present is a base for placing a surface-mounted product PCB, and an adapter plate, a connector or an insulator are arranged on the base; the bottom port welding plate of the surface-mounted product is lapped on a transmission line of the adapter plate, and an inner conductor of the connector or the insulator is lapped on the transmission line of the adapter plate to transmit port signals; the pressing plate with a plurality of protruding cylinders is used for pressing and fixing the product PCB, the pressing plate is limited and fixed through four screws, and the contact positions of the bottom surfaces of the cylinders and the product PCB are free of elements and circuits. The design can avoid damage of the gold plating layer of the port bonding pad. The PCB board has the defects that 1, a bonding pad at the bottom of the PCB board is easy to be in poor contact with a transmission line of an adapter plate; 2. the pressing plate is limited through the screws, the mounting time is long, the production efficiency is low, the pressing plate is pressed through screwing the screws by hand, and if the force is improper, the four protruded cylinders on the pressing plate easily damage the surface of the PCB; 3. in the debugging process, if the component needs to be replaced, the pressing plate needs to be detached, and the component can be replaced only by taking out the PCB, so that the operation steps are complicated, and the production efficiency is extremely low. 4. The clamp base structure limits the PCB through the structure completely sealed all around, so that the PCB is difficult to put in and take out.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a table pastes type product debugging anchor clamps improves table and pastes type product PCB board bottom pad and transmission contact failure, changes the inconvenient scheduling problem of components and parts on the table pastes type product PCB.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

a debugging clamp for surface-mounted products comprises a base, a pressing plate, a limiting assembly, an adapter plate, a spring piece, a connector and an insulator, wherein the middle of the base is concave inwards to form a placing position;

the placing position of the base is used for placing the PCB of the surface-mounted product, the inner conductors of the connector and the insulator are lapped on a transmission line of the adapter plate, and the upper surface of the adapter plate is flush with the placing position.

Furthermore, round-head spring pins are arranged at four corners of the pressing plate in a penetrating manner and used for pressing the PCB; the round-head spring needle is connected with the pressing plate through welding.

Furthermore, a through groove is formed in the middle of the pressing plate.

Furthermore, at least one side of the peripheral side of the placing position is provided with a notch.

Further, spacing subassembly is including setting up at least one bolt on the base lateral wall, be provided with the through-hole with the bolt adaptation on the base lateral wall, and the bolt is close to the one end diameter of placing the position and is greater than the through-hole.

Further, spacing subassembly includes two liang of four bolts that set up on the lateral wall of base relatively for it is spacing to four angles of clamp plate.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model discloses a table pastes class product debugging anchor clamps is provided with base, clamp plate, spacing subassembly, keysets, spring leaf and connector and insulator, through welding the spring leaf on the keysets, improves the PCB board bottom pad and the transmission line contact failure of table pastes class product, carries on spacingly to the clamp plate through spacing subassembly for the clamp plate compresses tightly the PCB board, ensures that the contact of PCB board and spring leaf is inseparable.

(2) The utility model discloses a four corners of clamp plate is provided with the elastic construction of button head pogo pin and compresses tightly the PCB board, and the button head structure prevents to cause the damage to the PCB face, is provided with logical groove with the middle part of clamp plate simultaneously, is convenient for change the components and parts of PCB board from leading to groove department, and need not to tear down the PCB board and change components and parts to it is more convenient.

(3) The utility model discloses a base is provided with the breach in the week side at least one side of placing the position, the putting into and taking out of the PCB board of being convenient for.

Drawings

Fig. 1 is an exploded view of a debugging fixture for surface-mounted products according to an embodiment of the present invention.

Fig. 2 is an assembly plan view of a debugging fixture for surface-mounted products provided by the embodiment of the present invention.

Fig. 3 is a top view of a base of a debugging fixture for surface-mounted products according to an embodiment of the present invention.

Fig. 4 is an enlarged view of the interposer provided in the embodiment of the present invention.

In the drawings, the names of the parts corresponding to the reference numerals are as follows:

1-surface-mounted product, 2-base, 21-placement position, 22-groove, 23-notch, 3-pressing plate, 31-round-head spring pin, 32-through groove, 4-limiting component, 5-adapter plate, 51-spring piece, 6-connector, 61-inner conductor and 7-insulator.

Detailed Description

The present invention will be further described with reference to the following drawings and examples, and embodiments of the present invention include, but are not limited to, the following examples.

Referring to fig. 1 to 4, a debugging fixture for surface mount products includes a base 2, a pressing plate 3, a limiting component 4, an adapter plate 5, a spring plate 51, a connector 6, and an insulator 7. The middle of base 2 is inwards concave to form and to place position 21 for place a surface mounted product 1, is provided with recess 22 at the edge of placing position 21, is used for placing keysets 5, and the upper surface of keysets 5 flushes with the upper surface of placing position 21, all can contact the PCB board of a surface mounted product 1 promptly. The transmission line of the interposer 5 is provided with a spring piece 51, and the transmission line of the interposer 5 is overlapped with the connector 6 provided on the base 2 and the inner conductor 61 of the insulator 7, so that the external instrument can be electrically connected to the spring piece 51 through the connector 6 and the insulator 7.

The first end of the spring piece 51 is welded on the transmission line of the adapter plate 5, the second end faces the placing position 21 and tilts upwards, when the surface-mounted product 1 is placed at the placing position 21, the second end of the spring piece 51 is pressed downwards, and the second end of the spring piece 51 is in close contact with the PCB of the surface-mounted product 1 due to the force of the spring piece 51 recovering deformation, so that the condition of poor contact is avoided. In the present embodiment, the spring piece 51 welded to the interposer 5 has a strong elastic recovery characteristic.

The pressing plate 3 is arranged on the placing position 21, the surface-mounted product 1 is pressed on the placing position 21 by the pressing plate 3, the spring piece 51 is tightly connected with a transmission line of a PCB of the surface-mounted product 1, and the inner conductor 61 of the connector 6 and the insulator 7 is electrically connected with the PCB of the surface-mounted product 1. The side wall of the base on the periphery of the placing position 21 limits the surface-mounted products 1 and the pressing plate 3. In a non-limiting example, the base seat 2 is provided with a notch 23 on at least one side of the peripheral side of the placement site 21 to facilitate placement and removal of the surface-mounted product 1. In another embodiment, the base 2 is located on the periphery of the placing position 21, and the two opposite sides are provided with notches 23, so as to further facilitate the placing and taking out of the surface-mounted product 1.

Be located to be provided with spacing subassembly 4 on the base lateral wall of the week side of placing position 21, spacing subassembly 4 is provided with the through-hole with the bolt adaptation including setting up at least one bolt on the lateral wall of base 2 for the bolt can be followed the longitudinal movement of bolt, and the bolt is close to the one end diameter of placing position 21 and is greater than the through-hole, makes bolt and base 2 inseparable, thereby prevents that the bolt from dropping out base 2 and losing. In a non-limiting example, the limiting assemblies 4 are arranged two by two opposite to each other on four pins on the side wall of the base 2, and are used for limiting four corners of the pressing plate 3 and fixing the pressing plate 3.

In an embodiment, the middle part of clamp plate 3 is provided with logical groove 32, and at the in-process of debugging, it is more convenient to change the components and parts on the PCB of table subsides type product 1, compares and takes off whole PCB board and change, and the flow that anchor clamps were placed again to the completion of change and carry out the test has practiced thrift a large amount of time, has improved debugging efficiency.

The week side of clamp plate 3 is run through and is provided with button head spring needle 31, and button head spring needle 31 uses button head spring needle 31 crimping table to paste type product 1 through welded fastening in four round holes of clamp plate 3, and when clamp plate 3 pressed to table to paste type product 1, button head spring needle 31 atress compression, and the recovery deformation power that its produced is used in table to paste type product 1 to will table to paste type product 1 and press to spring leaf 51. The elastic structure of the round-head pogo pin 31 and the design of the round head thereof can avoid damage to the surface of the PCB board of the surface-mounted product 1. The position of the round hole is determined according to the distribution condition of elements and circuits on the upper end face of the PCB of the surface-mounted product 1, so that no element and no circuit exist at the contact position of the round-head spring needle 31 and the PCB.

The utility model provides a table pastes a class product debugging anchor clamps sets up the keysets through week side placing the position, and the welding spring leaf makes the PCB board and the keysets electricity of table subsides class product be connected on the transmission line of keysets to make the insulator and the connector etc. that have realized the electricity with the keysets and paste the PCB board realization electricity of class product and be connected with the table. The position placing part is provided with the pressing plate and the limiting assembly of the pressing plate, the pressing plate can be well fixed to enable the pressing plate to press the PCB of the surface-mounted product to the spring piece, the round-head spring pins welded on the periphery of the pressing plate are further strengthened to press the PCB, and meanwhile the surface of the PCB is not damaged. And through set up logical groove in the middle part of clamp plate and improve the trouble that the PCB board needs to be changed components and parts and needs whole PCB board to take off in the past, directly change components and parts from leading to the groove, convenient and fast more.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and is not a limitation to the protection scope of the present invention, but all the changes made by adopting the design principle of the present invention and performing non-creative work on this basis should belong to the protection scope of the present invention.

Claims

1. The debugging clamp for the surface-mounted products is characterized by comprising a base (2) with the middle concave inwards to form a placing position (21), a pressing plate (3) arranged above the placing position and used for pressing and connecting the surface-mounted products, a limiting component (4) arranged on the side of the pressing plate, an adapter plate (5) arranged in a groove on the side of the placing position, a spring piece (51) arranged on a transmission line of the adapter plate, a connector (6) arranged on the outer peripheral side of the base and an insulator (7);

the PCB board that the position (21) was used for placing of the surface of base pasted type product, inner conductor (61) overlap joint of connector (6) and insulator (7) are on the transmission line of keysets (5), and the upper surface of keysets (5) flushes with the position (21) of placing.

2. The debugging clamp for the surface-mounted products according to claim 1, wherein round-head spring pins (31) are arranged at four corners of the pressing plate (3) in a penetrating manner and used for pressing the PCB; the round-head spring needle (31) is connected with the pressure plate (3) through welding.

3. A surface-mounted product debugging clamp according to claim 2, characterized in that a through groove (32) is arranged in the middle of the pressure plate (3).

4. A surface-mounted product debugging clamp according to claim 3, characterized in that at least one side of the peripheral side of the placing position (21) is provided with a notch (23).

5. The debugging fixture for surface-mounted products according to claim 4, wherein the limiting component (4) comprises at least one plug pin arranged on the side wall of the base, a through hole matched with the plug pin is arranged on the side wall of the base, and the diameter of one end, close to the placing position, of the plug pin is larger than that of the through hole.

6. A surface-mounted product debugging fixture according to claim 5, characterized in that said limiting component (4) comprises four pins arranged on the side wall of said base in pairs, opposite to each other, so as to limit said pressing plate (3).