CN117388674A - Mobile phone motherboard check out test set - Google Patents
Mobile phone motherboard check out test set Download PDFInfo
- Publication number
- CN117388674A CN117388674A CN202311701761.5A CN202311701761A CN117388674A CN 117388674 A CN117388674 A CN 117388674A CN 202311701761 A CN202311701761 A CN 202311701761A CN 117388674 A CN117388674 A CN 117388674A
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- groove
- mobile phone
- limiting
- plate
- upper cover
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- 238000012360 testing method Methods 0.000 title abstract description 5
- 238000000034 method Methods 0.000 claims abstract description 44
- 230000008569 process Effects 0.000 claims abstract description 43
- 238000001514 detection method Methods 0.000 claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000000149 penetrating effect Effects 0.000 claims description 15
- 230000009471 action Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
- G01R31/2808—Holding, conveying or contacting devices, e.g. test adapters, edge connectors, extender boards
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/24—Arrangements for testing
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Abstract
The utility model relates to the technical field of mobile phone testing devices, in particular to mobile phone main board detection equipment; comprises an equipment body and a fixing mechanism on a detection table of the equipment body; the fixing mechanism comprises a bottom plate and an upper cover above the bottom plate; the buckle on the upper cover is clamped with the clamping groove on the bottom plate; two lateral grooves are formed in two sides of the inner side wall of the hollowed-out position in the middle of the upper cover; two movable strips are movably connected between the two transverse grooves; the pressing plate is connected to the lower surface of the movable strip through a spring; the length direction of the pressing plate is consistent with the length direction of the movable strip; according to the utility model, the upper cover moves downwards to drive the two movable strips to mutually approach to limit matched limit rods, so that the mobile phone main board is clamped by the press plates under the limit of the limit rods, and further, the corresponding position clamping process can be realized under the condition that the mobile phone main boards with different specifications are not required to be adjusted in advance, and the detection efficiency and the detection convenience of the mobile phone main board are improved.
Description
Technical Field
The utility model relates to the technical field of mobile phone testing devices, in particular to mobile phone main board detection equipment.
Background
The mobile phone motherboard refers to a circuit board in the mobile phone, and also can be called a pcb, the BTB connector is connected with the pcb to realize electrical and mechanical connection, and components connected to the motherboard such as the BTB connector, the FPC connector, the mobile phone camera, the screen and the like on the mobile phone motherboard are all required to be tested. When the mobile phone motherboard is tested, the motherboard needs to be connected with the flat cable, and the mobile phone motherboard needs to be fixed on the fixing mechanism at the moment, but when the mobile phone motherboard is fixed by the existing fixing mechanism, the operation is complex, and the fixing mechanism can only fix the motherboard of a specified model, so that the universality is poor.
Therefore, the patent number CN202221574451.2 is designed and developed by my department, the patent name is an utility model patent of a mobile phone motherboard detection fixing mechanism, and the fixing structure can fix motherboards with different models and sizes by arranging two pressing plates with adjustable positions; the utility model is applicable to various models, but workers in China find that the positions of the pressing plates need to be adjusted in advance before testing the mainboards of different models in the actual operation process, so that inconvenience is caused to the detection of the mobile phone mainboards, and meanwhile, the detection efficiency of the mobile phone mainboards of different models in batches is affected.
Disclosure of Invention
In order to make up the defects of the prior art, the utility model provides mobile phone motherboard detection equipment, and the upper cover moves downwards to drive the two movable strips to mutually approach to limit by the matched limiting rod, so that the mobile phone motherboard clamps the pressing plate under the limit of the limiting rod, and further, the mobile phone motherboard with different specifications can realize the corresponding position clamping process without pre-adjustment, and the detection efficiency and the detection convenience of the mobile phone motherboard are improved.
The technical scheme adopted for solving the technical problems is as follows: the utility model relates to mobile phone motherboard detection equipment, which comprises an equipment body and a fixing mechanism on a detection table of the equipment body; the fixing mechanism comprises a bottom plate and an upper cover above the bottom plate; the buckle on the upper cover is clamped with the clamping groove on the bottom plate; two lateral grooves are formed in two sides of the inner side wall of the hollowed-out position in the middle of the upper cover;
two movable strips are movably connected between the two transverse grooves; the pressing plate is connected to the lower surface of the movable strip through a spring; the length direction of the pressing plate is consistent with the length direction of the movable strip; the width of the pressing plate is smaller than that of the movable strip; a limiting groove is formed in the movable strip in a penetrating mode up and down; the limiting groove is connected with a limiting rod in a sliding way; the limiting rod is positioned at one side of the two pressing plates, which are far away from each other; the lower end of the limiting rod extends into the placing groove of the bottom plate; in the process that the upper cover is covered on the upper surface of the bottom plate, the two pressing plates are mutually close to be matched with the limiting rod to limit and compress the upper surface of the edge of the mobile phone main board.
Preferably, a sliding rod is fixedly connected between two ends of one transverse groove; the screw rod is rotationally connected between the two ends of the other transverse groove; threads at two ends of the screw rod are oppositely arranged; one end of the movable bar is in threaded transmission connection with the end part of the screw rod, and the other end of the movable bar is in sliding connection with the slide rod; the upper cover is provided with a vertical groove in a penetrating manner; the vertical groove is communicated with the horizontal groove; the vertical groove is connected with a vertical plate in a vertical sliding way; the thickness of the vertical plate is smaller than that of the vertical groove; the upper end of the vertical plate is fixedly connected with a pull block, and the lower end of the vertical plate is fixedly connected with the upper surface of the bottom plate; the lower surface of the pull block is fixedly connected with a pull rope, and the other end of the pull rope penetrates through the vertical groove to be connected and wound on the outer wall of the middle section of the screw rod; in the process that the upper cover is covered on the upper surface of the bottom plate, the pull rope can pull the screw rod to rotate so as to drive the two movable strips and the limiting rod to be close to each other, and the mobile phone main board is pressed by the cooperation of the pressing plate.
Preferably, a rotary groove is formed in the upper cover at a position close to the end part of the transverse groove; the end part of the screw rod extends into the rotary groove; the screw is rotationally connected with the wall of the rotary groove through a torsion spring; the torsion spring can drive the screw to reversely rotate, and the pull rope is rewound on the outer wall of the middle section of the screw under the reverse rotation of the screw.
Preferably, the pull cord is made of an elastic material, such as rubber, and has elasticity; the self elastic force of the pull rope is larger than the torsion force of the torsion spring; the stay cord can overcome the torsional spring and unreel from the outer wall of screw rod middle section.
Preferably, one end of the limiting rod close to the upper part is fixedly connected with a limiting block; the lower surface of the limiting block is connected with the upper surface of the movable strip through an elastic rope; the limiting block can be close to the movable strip under the action of the pulling force of the elastic rope.
Preferably, the pull rope is positioned on one side of the riser; a chute is obliquely arranged on one side, facing the pull rope, of the vertical plate; one end of the guide block is movably connected in the chute; the groove wall of the vertical groove is horizontally provided with a guide groove; the guide groove is close to the upper notch of the vertical groove; the other end of the guide block is horizontally and slidably connected in the guide groove; the guide block is provided with a guide hole in a penetrating way up and down; the pull rope passes through the guide hole; in the upward moving process of the upper cover, the guide block drives the stay cord to move upwards in the screw shaft direction and wind up on the outer wall of the screw shaft.
Preferably, the lower end of the limiting rod is connected with a limiting plate; the limiting plate is transversely placed in the placing groove at the side; the length of the limiting plate is equal to the width of the placing groove; the height of the limiting plate is equal to the depth of the placing groove; the limiting plates are mutually close to or far away from each other under the movement of the limiting rods.
Preferably, the lower end of the limiting rod is fixedly connected with the locking seat; the locking seat is positioned at one side of the two limiting plates, which are far away from each other; the locking seat is positioned in the placing groove; the length of the locking seat is adapted to the width of the placing groove; one end of the locking seat is provided with a movable groove; the movable groove is connected with the locking plate in a sliding way; the locking plate is connected with the bottom of the movable groove through a tension spring; push grooves are formed in two sides of the locking plate in a penetrating manner; drive grooves are formed in two sides of the locking seat in a penetrating manner; the driving groove is staggered with the pushing groove in the initial state; the driving groove is connected with the driving block in a sliding way; one end of the driving block extends into the pushing groove and is provided with a first inclined plane; the first inclined surface is away from the tension spring; the other end of the driving block is fixedly connected with the limiting plate; the groove walls of the placing grooves and the movable grooves are provided with locking grooves; the locking grooves are uniformly formed on the groove walls of the placing grooves; the notch of the locking groove is matched with one end of the locking plate; the limiting plate is pressed to drive the driving block to push one end of the locking plate to be inserted into the corresponding locking groove.
The beneficial effects of the utility model are as follows:
1. according to the utility model, the upper cover moves downwards to drive the two movable strips to mutually approach to limit matched limit rods, so that the mobile phone main board is clamped by the press plates under the limit of the limit rods, and further, the corresponding position clamping process can be realized under the condition that the mobile phone main boards with different specifications are not required to be adjusted in advance, and the detection efficiency and the detection convenience of the mobile phone main board are improved.
2. According to the utility model, the guide block can control the stay cord passing through the guide hole to move and guide, so that the winding position of the stay cord on the screw rod is controlled, and the stay cord can be sequentially and uniformly wound on the outer wall of the screw rod, so that the situation that the stay cord is piled and wound on the outer wall of the screw rod to cause the screw rod to be blocked in the transverse groove is avoided, and the working stability of the utility model is greatly improved.
3. Under the condition that the two limiting plates are close to each other and are in contact extrusion with the edges of the mobile phone main board, the limiting plates can drive the driving blocks to move in the driving grooves, one ends of the locking plates can be inserted into the corresponding locking grooves after being extruded by the driving blocks, so that the locking seats are locked and cannot continuously move close to the mobile phone main board after being locked, the situation that the mobile phone main board is extruded and bent continuously is avoided, and the situation that the mobile phone main board is extruded and bent continuously is avoided.
Drawings
The utility model will be further described with reference to the drawings and embodiments.
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a perspective view of the securing mechanism of the present utility model;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a cross-sectional view of the upper cover in the securing mechanism;
fig. 5 is an enlarged view at B in fig. 4;
FIG. 6 is an enlarged view at C in FIG. 4;
fig. 7 is an enlarged view of D in fig. 4;
FIG. 8 is an enlarged view at E in FIG. 4;
FIG. 9 is a cross-sectional view of the locking seat in the securing mechanism;
fig. 10 is an enlarged view at F in fig. 9.
In the figure: the device comprises a device body 1, a detection table 11, a fixing mechanism 23, a bottom plate 2, a clamping groove 21, a placing groove 22, a locking groove 24, an upper cover 3, a buckle 31, a transverse groove 32, a sliding rod 33, a screw 34, a vertical groove 35, a rotating groove 36, a torsion spring 37, a guide groove 38, a movable strip 4, a pressing plate 41, a spring 42, a limiting groove 43, a limiting rod 44, a limiting block 45, an elastic rope 46, a vertical plate 5, a pull block 51, a pull rope 52, a chute 53, a guide block 6, a guide hole 61, a limiting plate 7, a locking seat 8, a movable groove 81, a locking plate 82, a tension spring 83, a push groove 84, a driving groove 85, a driving block 86 and a first inclined surface 87.
Detailed Description
The utility model is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1 to 10, the present utility model includes the following embodiments:
example 1: a mobile phone motherboard detection device comprises a device body 1 and a fixing mechanism 23 on a detection table 11 of the device body 1; the fixing mechanism 23 comprises a bottom plate 2 and an upper cover 3 above the bottom plate 2; the buckle 31 on the upper cover 3 is buckled with the clamping groove 21 on the bottom plate 2; two transverse grooves 32 are formed in two sides of the inner side wall of the hollowed-out position in the middle of the upper cover 3;
two movable strips 4 are movably connected between the two transverse grooves 32; the pressing plate 41 is connected to the lower surface of the movable strip 4 through a spring 42; the length direction of the pressing plate 41 is consistent with the length direction of the movable strip 4; the width of the pressing plate 41 is smaller than that of the movable strip 4; a limiting groove 43 is formed in the movable strip 4 in a penetrating manner up and down; the limit groove 43 is connected with a limit rod 44 in a sliding way; the limiting rod 44 is positioned at one side of the two pressing plates 41 away from each other; the lower end of the limiting rod 44 extends into the placing groove 22 of the bottom plate 2; in the process that the upper cover 3 is covered on the upper surface of the bottom plate 2, the two pressing plates 41 are mutually close to limit the upper surface of the edge of the mobile phone main board to be pressed by matching with the limit rod 44.
In this embodiment, a sliding rod 33 is fixedly connected between two ends of one of the transverse grooves 32; a screw 34 is rotatably connected between the two ends of the other transverse groove 32; the threads at the two ends of the screw 34 are oppositely arranged; one end of the movable strip 4 is in threaded transmission connection with the end part of the screw rod 34, and the other end of the movable strip is in sliding connection with the slide rod 33; the upper cover 3 is provided with a vertical groove 35 in a penetrating way; the vertical groove 35 is communicated with the horizontal groove 32; the vertical groove 35 is connected with the vertical plate 5 in a vertical sliding way; the thickness of the vertical plate 5 is smaller than that of the vertical groove 35; the upper end of the vertical plate 5 is fixedly connected with a pull block 51, and the lower end of the vertical plate is fixedly connected with the upper surface of the bottom plate 2; the lower surface of the pull block 51 is fixedly connected with a pull rope 52, and the other end of the pull rope 52 passes through the vertical groove 35 to be connected and wound on the outer wall of the middle section of the screw 34; in the process that the upper cover 3 is covered on the upper surface of the bottom plate 2, the pull rope 52 pulls the screw 34 to rotate so as to drive the two movable strips 4 and the limiting rod 44 to be close to each other, and the movable strips are matched with the pressing plate 41 to press the mobile phone main board.
In this embodiment, a rotating groove 36 is disposed in the upper cover 3 near the end of the transverse groove 32; the end of the screw 34 extends into the rotary trough 36; the screw 34 is rotationally connected with the wall of the rotary groove 36 through a torsion spring 37; the torsion spring 37 can drive the screw 34 to reversely rotate, and the pull rope 52 is rewound on the outer wall of the middle section of the screw 34 under the reverse rotation of the screw 34.
In this embodiment, the pull cord 52 is made of an elastic material, such as rubber, and has elasticity; the self elastic force of the pull rope 52 is larger than the torsion force of the torsion spring 37; the pull rope 52 can overcome the torsion spring 37 and unwind from the outer wall of the middle section of the screw 34;
specifically, under the condition that the detection equipment is not faulty, firstly, the mobile phone main board is moved to the front side of the detection equipment, then the mobile phone main board is placed in the fixing mechanism 23 on the detection table 11 of the equipment body 1, namely, the mobile phone main board is placed in the placing groove 22 on the upper surface of the bottom plate 2, then the upper cover 3 is pressed to move downwards to be close to the bottom plate 2, the upper cover 3 is far away from the pull block 51 in the downwards moving process, one end of the pull rope 52 is fixedly connected to the lower surface of the pull block 51, the other end of the pull rope 52 is wound and connected to the outer wall of the middle section of the screw rod 34, so that the other end of the pull rope 52 is gradually unreeled from the outer wall of the middle section of the screw rod 34 in the downwards moving process of the upper cover 3, the downwards moving of the upper cover 3 does not cause the pull rope 52 to be pulled due to the fact that the self elasticity of the pull rope 52 is larger than the torsion force of the torsion spring 37, and on the contrary, under the condition that the torsion of the torsion spring 37 is overcome in the downwards moving process of the upper cover 3, the pull rope 52 is gradually extended from the vertical groove 35, the other end of the pull rope 52 can drive the screw rod 34 to rotate in the corresponding transverse groove 32 in the unreeling process from the outer wall of the middle section of the screw rod 34, the torsion of the torsion spring 37 is needed to be overcome in the rotating process of the screw rod 34, the screw rod 34 can generate screw thread transmission with the movable bar 4 in the rotating process, so that the movable bar 4 is driven to slide along the axial direction of the sliding bar 33 through the movement principle of the screw rod sliding block pair, as the screw threads at the two ends of the screw rod 34 are oppositely arranged, the screw rod 34 rotates to drive the two movable bars 4 to move close to each other, the limiting groove 43 is penetrated by the movable bar 4, the limiting bar 44 is connected in a sliding way in the limiting groove 43, the lower end of the limiting bar 44 always abuts against the bottom of the groove 22 under the action of gravity, the limiting bar 44 moves along with the movement of the movable bar 4, the limiting bar 44 is driven to move synchronously in the moving process of the two movable bars 4 close to each other, the limiting rods 44 can push the mobile phone motherboard to move towards the middle position of the placement groove 22 in the approaching movement process until the two limiting rods 44 are in contact with the edges of the mobile phone motherboard, the edges of the mobile phone motherboard are limited by the limiting rods 44 and cannot move, the limiting rods 44 are blocked by the edges of the mobile phone motherboard, the two limiting rods 44 cannot continue to move close to each other, and the two movable strips 4 cannot continue to move close to each other;
so the screw 34 can not continue to rotate, under the condition that the screw 34 can not rotate, the upper cover 3 can drive the screw 34 and the movable strip 4 to move downwards under the condition that the upper cover 3 is continuously pressed by a detector, because the pull rope 52 has elasticity, the pull rope 52 is pulled, the movable strip 4 can drive the spring 42 and the pressing plate 41 to move downwards along with the lower cover 3 in the moving process, the limit groove 43 and the limit rod 44 can be displaced in the moving process of the movable strip 4, the upper cover 3 can move downwards to be in contact with the bottom plate 2, the buckle 31 on the upper cover 3 is buckled in the clamping groove 21, the locking principle of the buckle 31 and the clamping groove 21 is the technology before I's, and the excessive description is omitted, under the condition that the upper cover 3 is locked on the upper surface of the bottom plate 2, the edge of a mobile phone motherboard is pressed by the pressing plate 41 with the spring 42, the clamping process of the mobile phone motherboard is completed, the mobile phone motherboard is connected with the mobile phone motherboard by the detector, and the next step of detection is carried out, wherein the detection process is the prior art, and excessive explanation is omitted.
After the detection is finished, a detection person releases the connection flat cable, then the buckle 31 is moved out of the clamping groove 21, so that the upper cover 3 and the bottom plate 2 are unlocked, the upper cover 3 is reset by the elasticity of the pull rope 52 and moves upwards under the unlocking condition, after the pull rope 52 is restored to the original length, the torsion spring 37 drives the screw 34 to rotate reversely under the torsion action, the two movable bars 4 are driven to move away from each other in the reverse rotation process of the screw 34, the pull rope 52 is wound in the reverse rotation process of the screw 34, the pull rope 52 can enable the upper cover 3 to move upwards to be close to the pull block 51 in the winding process of the pull rope 52, the upper cover 3 moves upwards to be far away from the bottom plate 2, the limit groove 43 on the movable bars 4 and the limit bar 44 generate relative movement, the lower end of the limit bar 44 is abutted against the bottom of the placement groove 22 under the action of self gravity, the two movable bars 4 can drive the two limit bars 44 to move synchronously and far away from each other in the process of the mutual distance, the lower end of the limit bar 44 is kept away from each other to the limit position in the placement groove 22, the upper cover 3 also stops moving upwards, then the detection person can take out the mobile phone 22 and take out any one of the main boards in the placement groove 3 according to the specification again;
according to the utility model, the upper cover 3 moves downwards to drive the two movable strips 4 to mutually approach to limit the matched limiting rod 44, so that the mobile phone main board is clamped by the pressing plate 41 under the limit of the limiting rod 44, and further, the corresponding position clamping process can be realized under the condition that the mobile phone main boards with different specifications are not required to be adjusted in advance, and the detection efficiency and the detection convenience of the mobile phone main board are improved.
Example 2, this example differs from example 1 in that:
a limiting block 45 is fixedly connected to the upper end of the limiting rod 44; the lower surface of the limiting block 45 is connected with the upper surface of the movable strip 4 through an elastic rope 46; the limiting block 45 can be close to the movable strip 4 under the tension of the elastic rope 46;
when the movable strip 4 moves downwards along with the upper cover 3 and moves relatively to the limiting rod 44, the movable strip 4 moves away from the limiting block 45 along with the upper cover 3 in the downwards moving process, the elastic rope 46 is pulled in the downwards moving process of the movable strip 4, and the elastic force of the elastic rope 46 is transmitted to the limiting rod 44 in the downwards moving and pulling process of the movable strip 4, so that the lower end of the limiting rod 44 is abutted against the bottom of the placing groove 22 under the dual actions of gravity and the elastic force of the elastic rope 46; in the process of moving up the upper cover 3, the elastic rope 46 is still pulled by the movable strip 4, so that the elastic rope 46 is still subjected to a certain tensile force, and the tensile force is transmitted to the limiting rod 44, so that the lower end of the limiting rod 44 moves in the placing groove 22 stably under the action of the tensile force of the elastic rope 46, thereby preparing for limiting and pushing after the mobile phone motherboard is placed in the placing groove 22, and improving the stability of the clamped operation of the mobile phone motherboard.
Example 3, this example differs from example 1 in that:
the pull rope 52 is positioned on one side of the vertical plate 5; a chute 53 is obliquely arranged on one side of the vertical plate 5, which faces the pull rope 52; one end of the guide block 6 is movably connected in the chute 53; the groove wall of the vertical groove 35 is horizontally provided with a guide groove 38; the guide groove 38 is close to the upper notch of the vertical groove 35; the other end of the guide block 6 is horizontally and slidably connected in the guide groove 38; the guide block 6 is provided with a guide hole 61 in a penetrating way up and down; the pull rope 52 passes through the guide hole 61; in the upward moving process of the upper cover 3, the guide block 6 drives the pull rope 52 to move axially on the screw 34 and wind up on the outer wall of the screw 34;
wherein, in the process of moving the upper cover 3 upwards and away from the bottom plate 2, the upper cover 3 drives the guide block 6 in the guide groove 38 to move upwards synchronously, as the pull rope 52 passes through the guide hole 61 on the guide block 6, and the pull rope 52 moves upwards in the process of moving the upper cover 3, the torsion spring 37 drives the screw 34 to rotate, so that the pull rope 52 continuously passes through the guide hole 61 and is wound on the outer wall of the screw 34 in the process of moving the upper cover 3 upwards, and the thickness of the upper cover 3 is smaller, the space in the transverse groove 32 is more limited under the condition of arranging the screw 34, so that the chute 53 is arranged in an inclined shape, and the guide block 6 is movably connected in the chute 53, so that the guide block 6 slides along the guide groove 38 in the process of moving the upper cover 3, and the sliding direction of the guide groove 38 is the axial direction of the screw 34, so that the guide block 6 controls the pull rope 52 to move and guide in the screw 34, and further the winding position of the pull rope 52 on the screw 34 can be sequentially and uniformly wound on the outer wall 34, thus the utility model can prevent the screw 34 from being stacked on the outer wall 34 and from being stacked in the transverse groove 32;
in the process of moving down the upper cover 3, the guide block 6 moves reversely, the guide block 6 controls the pull rope 52 to sequentially and guided to unwind from the outer wall of the screw 34, the movable strip 4 and the screw 34 cannot move continuously under the condition that the limiting rod 44 is limited by the mobile phone main board and cannot move continuously in the placing groove 22, so that the upper cover 3 can move down by virtue of the pulling rope 52 self elastic force, if the part of the pull rope 52 wound on the outer wall of the screw 34 is in the stacked winding condition, the pull rope 52 cannot play a role in pulling, only the pull rope 52 unwound from the outer wall of the screw 34 is pulled, so that the resistance of the lower movement of the upper cover 3 is increased, and meanwhile, the pull rope 52 is easily pulled, in the embodiment, the pull rope 52 is sequentially and sequentially wound on the screw 34, and the pull rope 52 is not stacked due to uniform unwinding of the pull rope 52 wound on the screw 34 under the condition that the upper cover 3 moves up, and the part of the pull rope 52 wound on the screw 34 cannot be pulled, compared with the part of the pull rope 52 wound on the screw 34, the whole is not pulled easily, and the whole is stable, and the pull rope is not pulled easily.
Example 4, this example differs from example 1 in that:
the lower end of the limiting rod 44 is connected with a limiting plate 7; the limiting plate 7 is transversely placed in the placing groove 22; the length of the limiting plate 7 is equal to the width of the placing groove 22; the height of the limiting plate 7 is equal to the depth of the placing groove 22; the limiting plates 7 are moved toward or away from each other by the movement of the limiting rod 44.
In this embodiment, the lower end of the limiting rod 44 is fixedly connected with the locking seat 8; the locking seat 8 is positioned at one side of the two limiting plates 7 away from each other; the locking seat 8 is positioned in the placing groove 22; the length of the locking seat 8 is adapted to the width of the placing groove 22; one end of the locking seat 8 is provided with a movable groove 81; the movable groove 81 is slidably connected with the locking plate 82; the locking plate 82 is connected with the bottom of the movable groove 81 through a tension spring 83; push grooves 84 are formed on two sides of the locking plate 82 in a penetrating manner; drive grooves 85 are formed in the two sides of the locking seat 8 in a penetrating manner;
the driving groove 85 is staggered with the pushing groove 84 in the initial state; the driving groove 85 is slidably connected with a driving block 86; one end of the driving block 86 extends into the pushing groove 84 and is provided with a first inclined surface 87; the first inclined surface 87 faces away from the tension spring 83; the other end of the driving block 86 is fixedly connected with the limiting plate 7; the groove wall of the placing groove 22 corresponding to the movable groove 81 is provided with a locking groove 24; the locking grooves 24 are uniformly formed on the wall of the placing groove 22; the notch of the locking groove 24 is matched with one end of the locking plate 82; the limiting plate 7 is pressed to drive the driving block 86 to push one end of the locking plate 82 to be inserted into the corresponding locking groove 24;
wherein, the upper cover 3 is unreeled from the screw 34 through the pull rope 52 to drive the screw 34 to rotate in the downward moving process, the screw 34 drives the two movable bars 4 and the limit bars 44 to synchronously approach in the rotating process, the limit bars 44 drive the locking seat 8 and the limit plates 7 to synchronously approach and move in the approaching process, the clearance between the limit plates 7 and the locking seat 8 is reduced under the condition that the two limit plates 7 approach each other and contact and squeeze the edges of the mobile phone main board, the limit plates 7 drive the driving block 86 to move in the driving groove 85, the driving block 86 drives the first inclined surface 87 to squeeze the pushing groove 84, thereby pushing the locking plate 82 to move away from the bottom of the movable groove 81 and pulling the tension spring 83, one end of the locking plate 82 can be inserted into the corresponding locking groove 24 after the driving block 86 is extruded and moved downwards, the position of the locking seat 8 is locked, the locking seat 8 can not continuously move close to the mobile phone main board after being locked, so as to avoid the extrusion of the edges of a thin and fragile mobile phone main board, realize the protection of the mobile phone main board, avoid the situation that the mobile phone main board is continuously extruded and bent, after the locking seat 8 is locked, the limiting rod 44 and the movable strip 4 are both locked, so that the upper cover 3 can move downwards to be buckled on the bottom plate 2 without continuously extruding the mobile phone main board, after the mobile phone detection is finished, the upper cover 3 moves upwards to be far away from the bottom plate 2, the torsion spring 37 drives the screw 34 to reversely rotate to drive the two movable strips 4 and the limiting rod 44 to be far away from each other, the limiting rod 44 drives the two locking seats 8 to be far away from each other, the gap between the locking seat 8 and the mobile phone main board is increased in the process of keeping away from the mobile phone main board, the gap is reserved for the limiting plate 7, one end of the locking plate 82 is moved out from the locking groove 24 under the condition that the tension spring 83 pulls the locking plate 82, so that the locking seats 8 are mutually far away while unlocking; in order to enable one end of the locking plate 82 to be smoothly removed from the locking groove 24, the locking groove 24 can be set to be close to the groove wall of the locking groove 24 of the corresponding clamping groove 21 by taking the middle section of the bottom plate 2 as a reference, so that one end of the locking plate 82 is removed from the locking groove 24 under the guiding of the inclined surface of the second inclined surface; in this embodiment, the limiting plate 7 is used to make the most edge of the mobile phone motherboard be compressed under the limiting of the limiting plate 7.
In the description of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in fig. 1, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the scope of the present utility model, and furthermore, the terms "first", "second", "third", etc. are merely used for distinguishing the description, and should not be construed as indicating or implying relative importance.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. A mobile phone motherboard detection device comprises a device body and a fixing mechanism on a detection table of the device body; the fixing mechanism comprises a bottom plate and an upper cover above the bottom plate; the buckle on the upper cover is clamped with the clamping groove on the bottom plate; two lateral grooves are formed in two sides of the inner side wall of the hollowed-out position in the middle of the upper cover; the method is characterized in that:
two movable strips are movably connected between the two transverse grooves; the pressing plate is connected to the lower surface of the movable strip through a spring; the length direction of the pressing plate is consistent with the length direction of the movable strip; the width of the pressing plate is smaller than that of the movable strip; a limiting groove is formed in the movable strip in a penetrating mode up and down; the limiting groove is connected with a limiting rod in a sliding way; the limiting rod is positioned at one side of the two pressing plates, which are far away from each other; the lower end of the limiting rod extends into the placing groove of the bottom plate; in the process that the upper cover is covered on the upper surface of the bottom plate, the two pressing plates are mutually close to be matched with the limiting rod to limit and compress the upper surface of the edge of the mobile phone main board.
2. The mobile phone motherboard detection device according to claim 1, wherein: a sliding rod is fixedly connected between two ends of one transverse groove; the screw rod is rotationally connected between the two ends of the other transverse groove; threads at two ends of the screw rod are oppositely arranged; one end of the movable bar is in threaded transmission connection with the end part of the screw rod, and the other end of the movable bar is in sliding connection with the slide rod; the upper cover is provided with a vertical groove in a penetrating manner; the vertical groove is communicated with the horizontal groove; the vertical groove is connected with a vertical plate in a vertical sliding way; the thickness of the vertical plate is smaller than that of the vertical groove; the upper end of the vertical plate is fixedly connected with a pull block, and the lower end of the vertical plate is fixedly connected with the upper surface of the bottom plate; the lower surface of the pull block is fixedly connected with a pull rope, and the other end of the pull rope penetrates through the vertical groove to be connected and wound on the outer wall of the middle section of the screw rod; in the process that the upper cover is covered on the upper surface of the bottom plate, the pull rope can pull the screw rod to rotate so as to drive the two movable strips and the limiting rod to be close to each other, and the mobile phone main board is pressed by the cooperation of the pressing plate.
3. The mobile phone motherboard detection device according to claim 2, wherein: a rotary groove is formed in the upper cover and close to the end part of the transverse groove; the end part of the screw rod extends into the rotary groove; the screw is rotationally connected with the wall of the rotary groove through a torsion spring; the torsion spring can drive the screw to reversely rotate, and the pull rope is rewound on the outer wall of the middle section of the screw under the reverse rotation of the screw.
4. The mobile phone motherboard detection device according to claim 2, wherein: the pull rope is made of elastic materials and has elasticity; the self elastic force of the pull rope is larger than the torsion force of the torsion spring; the stay cord can overcome the torsional spring and unreel from the outer wall of screw rod middle section.
5. The mobile phone motherboard detection device according to claim 2, wherein: a limiting block is fixedly connected to one end, close to the upper end, of the limiting rod; the lower surface of the limiting block is connected with the upper surface of the movable strip through an elastic rope; the limiting block can be close to the movable strip under the action of the pulling force of the elastic rope.
6. The mobile phone motherboard detection device according to claim 2, wherein: the pull rope is positioned at one side of the vertical plate; a chute is obliquely arranged on one side, facing the pull rope, of the vertical plate; one end of the guide block is movably connected in the chute; the groove wall of the vertical groove is horizontally provided with a guide groove; the guide groove is close to the upper notch of the vertical groove; the other end of the guide block is horizontally and slidably connected in the guide groove; the guide block is provided with a guide hole in a penetrating way up and down; the pull rope passes through the guide hole; in the upward moving process of the upper cover, the guide block drives the stay cord to move upwards in the screw shaft direction and wind up on the outer wall of the screw shaft.
7. The mobile phone motherboard detection device according to claim 2, wherein: the lower end of the limiting rod is connected with a limiting plate; the limiting plate is transversely placed in the placing groove at the side; the length of the limiting plate is equal to the width of the placing groove; the height of the limiting plate is equal to the depth of the placing groove; the limiting plates are mutually close to or far away from each other under the movement of the limiting rods.
8. The mobile phone motherboard detection device according to claim 7, wherein: the lower end of the limiting rod is fixedly connected with a locking seat; the locking seat is positioned at one side of the two limiting plates, which are far away from each other; the locking seat is positioned in the placing groove; the length of the locking seat is adapted to the width of the placing groove; one end of the locking seat is provided with a movable groove; the movable groove is connected with the locking plate in a sliding way; the locking plate is connected with the bottom of the movable groove through a tension spring; push grooves are formed in two sides of the locking plate in a penetrating manner; drive grooves are formed in two sides of the locking seat in a penetrating manner; the driving groove is staggered with the pushing groove in the initial state; the driving groove is connected with the driving block in a sliding way; one end of the driving block extends into the pushing groove and is provided with a first inclined plane; the first inclined surface is away from the tension spring; the other end of the driving block is fixedly connected with the limiting plate; the groove walls of the placing grooves and the movable grooves are provided with locking grooves; the locking grooves are uniformly formed on the groove walls of the placing grooves; the notch of the locking groove is matched with one end of the locking plate; the limiting plate is pressed to drive the driving block to push one end of the locking plate to be inserted into the corresponding locking groove.
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| CN202311701761.5A CN117388674B (en) | 2023-12-12 | 2023-12-12 | Mobile phone motherboard check out test set |
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| CN202311701761.5A CN117388674B (en) | 2023-12-12 | 2023-12-12 | Mobile phone motherboard check out test set |
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| CN117388674B CN117388674B (en) | 2024-03-22 |
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| CN117388674B (en) | 2024-03-22 |
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