CN218824376U

CN218824376U - Detection tool with location structure

Info

Publication number: CN218824376U
Application number: CN202221996211.1U
Authority: CN
Inventors: 李康
Original assignee: Kunshan Yiwei Electronic Technology Co ltd
Current assignee: Kunshan Yiwei Electronic Technology Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2023-04-07
Anticipated expiration: 2032-08-01

Abstract

The utility model discloses a detection jig with positioning structure, including base, mounting panel, grab handle, location depression bar, holding down plate, place board and bottom plate, the mounting panel is fixed mounting on the base, grab handle fixed mounting is in the central point of mounting panel puts, location depression bar and grab handle swing joint, the holding down plate is connected with the location depression bar, place the board and be located the position between base, holding down plate the base is provided with two second fixed blocks towards the fixed surface of placing the board, sliding connection has the bracing piece on the second fixed block, the inside of the bottom surface of placing the board is embedded in to the bracing piece top; the push rod is pushed down, the top end of the rotary rod moves downwards, the rotary rod uses the top end of the positioning rod as a fulcrum, the bottom end of the rotary rod is tilted, the vertical upward movement distance of the ejection pin is small, the ejection pin is used for ejecting a circuit board of a mobile phone horizontally placed in a board, the circuit board of the mobile phone is convenient to take down, and the circuit board is flexible and safe to take out.

Description

Detection tool with location structure

Technical Field

The utility model belongs to the technical field of circuit board detection tool for the 3C electronic product, concretely relates to detection tool with location structure.

Background

The 3c electronic products comprise a computer, an electronic dictionary, a mobile phone (mobile phone), a tablet personal computer, a digital camera, a walkman, a digital audio player and the like, a circuit board of the mobile phone needs to be detected in production to ensure the product quality, a PCBA (printed circuit board assembly) jig test rack is generally used for detecting the circuit board of the mobile phone, the detection jig comprises a base, a support plate, a handle, a positioning pressure rod, a lower pressing plate and a placing plate, the circuit board of the mobile phone is placed on the inner surface of the placing plate, the handle is moved downwards from top to bottom, the positioning pressure rod and the lower pressing plate move downwards and press the circuit board of the mobile phone, and the circuit board is in a fixed state and is convenient to test the circuit board.

When the existing PCBA detection jig detects a circuit board of a mobile phone, a grab handle needs to be moved upwards, a lower pressing plate is opened greatly, then the circuit board is moved and placed, the circuit board is placed and placed again, the circuit board is attached to the placing plate, the thickness of the circuit board is smaller, the circuit board is poured out due to the fact that the circuit board is inclined, or the side of the circuit board is tilted, the circuit board is easily damaged, and the circuit board cannot be taken out flexibly and safely, so that the detection jig with the positioning structure is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a detection tool with location structure to solve the problem that the taking out of the circuit board that provides is not nimble enough, safe among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a detection jig with a positioning structure comprises a base, a support plate, a grab handle, a positioning pressure rod, a lower pressure plate, a placing plate and a bottom plate, wherein the support plate is fixedly arranged on the base and comprises two support legs and a middle plate, the support legs are fixed on the base, the grab handle is fixedly arranged at the central position of the support plate, the grab handle and the middle plate are fixedly screwed through screws, the positioning pressure rod is movably connected with the grab handle, the lower pressure plate is connected with the positioning pressure rod, the lower pressure plate and the positioning pressure rod can be controlled through the movable grab handle to limit a circuit board on the placing plate, the placing plate is positioned between the base and the lower pressure plate, two second fixing blocks are fixedly arranged on the surface of the base facing the placing plate, the second fixing blocks are connected with the base through screws in a screwed mode, supporting rods are slidably connected onto the second fixing blocks, and the bottom ends of the supporting rods are of a T-shaped structure, the position of the supporting rod on the second fixing block can be changed, the top end of the supporting rod is embedded into the surface of the bottom of the placing plate, the placing plate is clamped on the top end of the supporting rod, the placing plate can be taken and placed, the surface of the placing plate is fixedly provided with a connecting block, the other end of the connecting block is provided with a lever mechanism, the lever mechanism comprises a first fixing block, a pressing rod, a positioning rod, a rotating rod and an ejecting needle, the connecting block is fixedly connected with the side surface of the top end of the first fixing block, the bottom plate is fixedly connected with the side surface of the bottom end of the first fixing block, the positioning rod is fixedly connected with the bottom plate, the middle position of the rotating rod is rotatably connected with the positioning rod, the bottom end of the ejecting needle is rotatably connected with the end of the rotating rod, when the end of the rotating rod rotates, the ejecting needle keeps a vertical state under the condition of limiting, the ejecting needle vertically moves, and the rotating rod has a small rotating amplitude, the removal of the ejector pin is not influenced, press the end connection in bottom and the first fixed block of rotary rod embedding of depression bar, be provided with the spring in the first fixed block, the top and the rotary rod end connection of spring place the surface that the board deviates from the connecting block and is provided with positioning mechanism, positioning mechanism includes firm piece, two firm boards, two connecting rods and two locating plates.

Preferably, the top surface of second fixed block sets up the spout of "T" type structure of invering, place the board bottom and set up the square groove, bracing piece top and square groove adaptation place the board and are supported by the bracing piece of symmetry, place and have the interval between board and the base, and the bracing piece slides with the second fixed block, does benefit to the pull of placing the board.

Preferably, the rotary rod is in an inclined state, a horizontal part is arranged at the top end of the rotary rod in the first fixing block, a positioning column is arranged on the inner surface of the bottom end of the first fixing block, the bottom end of the spring is sleeved outside the positioning column, and the pressing rod is connected with the first fixing block in a sliding mode.

Preferably, the central position of the placing plate is provided with a through hole for the ejection pin to penetrate through, and the ejection pin plays a role in ejecting the circuit board placed in the placing plate.

Preferably, the firm piece is installed on placing the board, the connecting rod is installed between locating plate, firm board.

Preferably, locating plate, connecting rod are "L" type structure, the firm board of the perpendicular horizontality in connecting rod bottom, the locating plate of the perpendicular vertical state of connecting rod top end, the corner of locating plate location circuit board makes the accuracy of circuit board installation.

Preferably, the surface of the stabilizing block is provided with a rectangular groove, the inner surface of the stabilizing block, which is located in the rectangular groove, is provided with a tooth socket, and the bottom of the stabilizing plate is provided with teeth which are matched with the tooth socket.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the first fixed block that sets up, press the depression bar, rotary rod, locating lever and liftout needle, push down the depression bar, the rotary rod top moves down, and the rotary rod uses the locating lever top as the fulcrum, the perk of rotary rod bottom, and the vertical distance that shifts up of liftout needle is little, and the liftout needle will place the circuit board jack-up of the mobile phone that the inboard level was placed, is convenient for take off the circuit board of mobile phone, and the taking out of circuit board is comparatively nimble, safety.

2. Through the locating plate that sets up, the locating plate plays the effect of location circuit board corner, makes the circuit board of mobile phone lay on the internal surface of placing the board accurately.

Drawings

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

FIG. 2 is a schematic side view of the placement board of the present invention;

fig. 3 is a schematic sectional view of the first fixing block of the present invention;

FIG. 4 is a schematic top view of the fixing block of the present invention;

FIG. 5 is a schematic view of the front view of the fixing plate of the present invention;

fig. 6 is an enlarged schematic view of a portion a in fig. 1 according to the present invention;

in the figure: 1. a base; 2. a mounting plate; 3. a handle; 4. positioning the compression bar; 5. pressing the plate downwards; 6. placing a plate; 7. a first fixed block; 8. a pressing lever; 9. connecting blocks; 10. a base plate; 11. positioning a rod; 12. rotating the rod; 13. ejecting the needle; 14. positioning a plate; 15. a stabilizing block; 16. a connecting rod; 17. a spring; 18. a stabilizing plate; 19. a second fixed block; 20. a support rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 6, the present invention provides a technical solution: a detection tool with a positioning structure comprises a base 1, a support plate 2, a holding handle 3, a positioning pressure rod 4, a lower pressure plate 5, a placing plate 6 and a bottom plate 10, the support plate 2 is fixedly arranged on the base 1, the support plate 2 and the base 1 are of an integral structure, the holding handle 3 is fixedly arranged at the central position of the support plate 2, the holding handle 3 and the support plate 2 are fixed by screwing screws, the positioning pressure rod 4 is movably connected with the holding handle 3, the lower pressure plate 5 is connected with the positioning pressure rod 4, the holding handle 3 moves up and down, the lower pressure plate 5 and the positioning pressure rod 4 also move up and down, the placing plate 6 is positioned between the base 1 and the lower pressure plate 5, the holding handle 3 is held, a circuit board of a mobile phone is placed on the inner surface of the placing plate 6, the holding handle 3 moves down from top to bottom, the positioning pressure rod 4 and the lower pressure plate 5 move down, and presses the circuit board of the mobile phone, the base 1 is fixedly provided with two second fixing blocks 19 facing the surface of the placing plate 6, the second fixing blocks 19 are connected with the supporting rod 20 in a sliding connection way, the top end of the supporting rod 20 is embedded in the bottom surface of the placing plate 6, the fixing block 7 is connected with the fixing block 7, the connecting block of the fixing rod 7, the fixing mechanism, the connecting block 7 is connected with the bottom of the bottom plate 7, the fixing rod 7, the fixing block, the bottom plate, the connecting block 7 and the connecting block 7, the connecting block 7 is connected with the connecting block, the connecting block 7, both ends of rotary rod 12 are rotatable, 13 bottoms of liftout needle are connected with the rotation of 12 tip of rotary rod, the rotation range of rotary rod 12 is little, liftout needle 13 rotates with rotary rod 12 to be connected, the vertical distance that shifts up of liftout needle 13 is little, so 13 vertical removal of liftout needle is not influenced, the end connection in the bottom and the first fixed block 7 of rotary rod 12 embedding of press rod 8, be provided with spring 17 in the first fixed block 7, spring 17's top and 12 end connection of rotary rod, 8 downshifts of press rod, rotary rod 12 uses 11 tops of locating lever to be the fulcrum rotation, it is provided with positioning mechanism to place the surface that board 6 deviates from connecting block 9, positioning mechanism includes firm piece 15, two firm boards 18, two connecting rods 16 and two locating plates 14, the effect of circuit board location to mobile phone can be realized.

In this embodiment, the top surface of the second fixed block 19 is provided with a chute of an inverted "T" type structure, the bottom of the support rod 20 is a "T" type structure, the support rod 20 slides along the length direction of the second fixed block 19, the bottom of the placing board 6 is provided with a square groove, the top end of the support rod 20 is adapted to the square groove, the support rod 20 makes the suspended placing board 6 in a stable state, because the support rod 20 is slidably connected to the second fixed block 19, the placing board 6 can be pulled and moved, so as to place the circuit board of the mobile phone on the inner surface of the placing board 6, the rotating rod 12 is in an inclined state, the top end of the rotating rod 12 in the first fixed block 7 is provided with a horizontal portion, which is beneficial for the spring 17 to be compressed and contracted, the inner surface at the bottom end of the first fixed block 7 is provided with a positioning column, the positioning column at the bottom end of the spring 17 is sleeved with the outside, the spring 17 is limited, thereby preventing the spring 17 from flying, the rotating rod 8 is slidably connected to the first fixed block 7, the central position of the placing board 6 is provided with a through hole for the pushing pin 13 to penetrate through, the pushing rod 8 vertically moves down, the top end of the rotating rod 12, the pushing rod 12 moves down, the pushing pin 12, which is not affected by the rotating rod, and the pushing pin 13, which is connected to the pushing pin, and the pushing pin 13 which is convenient for the small moving range of the telephone, and the pushing pin 13 which is convenient for the pushing pin to move.

In this embodiment, firm piece 15 is installed on placing board 6, connecting rod 16 is installed at locating plate 14, between firm board 18, locating plate 14, connecting rod 16 is "L" type structure, locating plate 14 plays the effect of location circuit board corner, the firm board 18 of the perpendicular horizontality in connecting rod 16 bottom, the locating plate 14 of the perpendicular vertical state of connecting rod 16 top end, the rectangular channel has been seted up on firm piece 15 surface, can change the position of firm board 18 in firm piece 15, make firm board 18 fix a position by firm piece 15, firm piece 15 is located the internal surface of rectangular channel and has seted up the tooth's socket, the bottom of firm board 18 is provided with the tooth, tooth and tooth's socket adaptation, firm board 18 is connected with firm 15 meshing, locating plate 14, connecting rod 16 can not the level with firm board 18 and rock.

The utility model discloses a theory of operation and use flow:

when the test fixture is used for detecting the circuit board of the mobile phone, the supporting rod 20 is connected with the second fixing block 19 in a sliding mode, the placing plate 6 is pulled out, the positioning plate 14 plays a role in positioning corners of the circuit board, the circuit board of the mobile phone is accurately placed on the inner surface of the placing plate 6, the circuit board of the mobile phone is convenient to place, the placing plate 6 is pushed inwards, the grab handle 3 is held, the grab handle 3 is moved downwards from top to bottom, the positioning pressing rod 4 and the lower pressing plate 5 move downwards, and the circuit board of the mobile phone is pressed;

push up grab handle 3, location depression bar 4 and lower clamp plate 5 move up, place board 6 toward taking out outward, push down according to depression bar 8, the rotary rod 12 top moves down, spring 17 pressurized is in the shrink state, rotary rod 12 uses the 11 tops of locating lever as the fulcrum, the perk of rotary rod 12 bottom, the rotary rod 12 rotation amplitude is little, ejector pin 13 rotates with rotary rod 12 to be connected, so 13 vertical movements of ejector pin are not influenced, 13 vertical distances that shift up of ejector pin are little in addition, ejector pin 13 will place the circuit board jack-up of the mobile phone that the level was placed in board 6, be convenient for take off the circuit board of mobile phone.

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 a detection tool with location structure, includes base (1), mounting panel (2), grab handle (3), location depression bar (4), holding down plate (5), places board (6) and bottom plate (10), mounting panel (2) fixed mounting is on base (1), grab handle (3) fixed mounting is put at the central point of mounting panel (2), location depression bar (4) and grab handle (3) swing joint, holding down plate (5) are connected with location depression bar (4), place board (6) and lie in position, its characterized in that between base (1), holding down plate (5): the base (1) is provided with two second fixed blocks (19) facing the surface of the placing plate (6) in a fixed manner, the second fixed blocks (19) are connected with a supporting rod (20) in a sliding manner, the top ends of the supporting rods (20) are embedded into the surface of the bottom of the placing plate (6), the surface of the placing plate (6) is provided with a connecting block (9), the other end of the connecting block (9) is provided with a lever mechanism, the lever mechanism comprises a first fixed block (7), a pressing rod (8), a positioning rod (11), a rotating rod (12) and an ejecting needle (13), the connecting block (9) is fixedly connected with the side surface of the top end of the first fixed block (7), the bottom plate (10) is fixedly connected with the side surface of the bottom end of the first fixed block (7), the positioning rod (11) is fixedly connected with the bottom plate (10), the middle position of the rotating rod (12) is rotatably connected with the positioning rod (11), the bottom end of the ejecting needle (13) is rotatably connected with the end of the rotating rod (12), the bottom end of the rotating rod (8) is connected with the end of the rotating rod (12) embedded into the first fixed block (7), the end of the pressing rod (17) is arranged in the first fixed block (7), and the top end of the spring (17) is arranged in the pressing mechanism, the positioning mechanism comprises a stabilizing block (15), two stabilizing plates (18), two connecting rods (16) and two positioning plates (14).

2. The inspection tool with positioning structure of claim 1, wherein: the top surface of the second fixing block (19) is provided with an inverted T-shaped sliding groove, the bottom of the placing plate (6) is provided with a square groove, and the top end of the supporting rod (20) is matched with the square groove.

3. The inspection jig with the positioning structure as claimed in claim 1, wherein: rotary rod (12) are in the tilt state, the top that rotary rod (12) are located first fixed block (7) is provided with the horizontal part, the internal surface of first fixed block (7) bottom is provided with the reference column, spring (17) bottom cover is established in the reference column outside, press down lever (8) and first fixed block (7) sliding connection.

4. The inspection jig with the positioning structure as claimed in claim 1, wherein: the central position of the placing plate (6) is provided with a through hole for the penetration of the ejection needle (13).

5. The inspection jig with the positioning structure as claimed in claim 1, wherein: the stabilizing block (15) is arranged on the placing plate (6), and the connecting rod (16) is arranged between the positioning plate (14) and the stabilizing plate (18).

6. The inspection tool with positioning structure of claim 5, wherein: the positioning plate (14) and the connecting rod (16) are both L-shaped structures, the bottom end of the connecting rod (16) is provided with a stabilizing plate (18) in a vertical horizontal state, and the top end of the connecting rod (16) is provided with the positioning plate (14) in a vertical state.

7. The inspection tool with positioning structure of claim 6, wherein: the surface of the stabilizing block (15) is provided with a rectangular groove, the inner surface of the stabilizing block (15) positioned in the rectangular groove is provided with a tooth socket, and teeth are arranged at the bottom of the stabilizing plate (18) and are matched with the tooth socket.