CN216645285U - Mobile phone fingerprint section difference measuring device - Google Patents

Abstract

The utility model relates to a mobile phone fingerprint section difference measuring device, which comprises a base and a bracket, wherein the base is provided with a containing cavity, the geometric center of the bracket and the geometric center of a fingerprint position of a mobile terminal contained in the containing cavity are positioned on the same vertical line, the bracket is provided with a detecting device, the detecting device comprises two detecting structures which are oppositely arranged, the two detecting structures can move towards the directions which are far away from or close to each other, the detecting structure is provided with two probes, when each detecting structure slides to a first preset position, one probe can measure the first height of the fingerprint position, the other probe can measure the second height of a battery cover, so as to determine the levelness of the fingerprint position according to the difference value between the first height difference between the first height and the second height measured by one detecting structure and the second height difference measured by the other detecting structure, thereby effectively avoiding the scratch or deformation of the fingerprint position, the device is not influenced by the skill level of an operator, and the measurement precision is high.

Description

Mobile phone fingerprint section difference measuring device

Technical Field

The utility model relates to a mobile terminal production facility technical field especially relates to a cell-phone fingerprint segment difference measuring device.

Background

In the production and manufacturing process of the mobile phone, the fingerprint difference is important data, and the fingerprint difference has important guiding significance for the use experience of a user and the waterproof design of a fingerprint position.

However, in the prior art, the levelness of the fingerprint position of the back fingerprint of the mobile phone is measured manually by adopting a contact pin to perform single-point measurement, and because the contact pin belongs to manual operation contact type measurement, on one hand, the surface of the fingerprint position can be scratched by operation pressure, and even the fingerprint position is seriously deformed, on the other hand, the labor intensity of manual single-point measurement is high, an operator is easy to fatigue, and factors such as the skill level of the operator can influence the measurement precision.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem or at least partially solve the technical problem, the present disclosure provides a mobile phone fingerprint section difference measuring device.

The utility model provides a mobile phone fingerprint segment difference measuring device, which comprises a base and a bracket arranged on the base;

the base is provided with an accommodating cavity for accommodating the mobile terminal, and the geometric center of the bracket and the geometric center of the fingerprint position of the mobile terminal accommodated in the accommodating cavity are positioned on the same vertical line;

the end, far away from the base, of the support is provided with a detection device, the detection device comprises two detection structures which are oppositely arranged, the two detection structures are respectively arranged on two sides of the geometric center of the support and horizontally move along the directions far away from or close to each other;

when each detection structure slides to a first preset position, one probe is used for measuring a first height of the fingerprint position, and the other probe is used for measuring a second height of a battery cover of the mobile terminal, so that the levelness of the fingerprint position is determined according to a difference value between a first height difference between the first height and the second height measured by one detection structure and a corresponding second height difference measured by the other detection structure.

Furthermore, the number of the detection devices is at least two, and the detection devices are arranged on the support at intervals along the circumferential direction of the geometric center of the support.

Further, each detection structure comprises a slide block and a displacement sensor;

the displacement sensor is arranged on the sliding block and is relatively fixed with the sliding block, two probes are arranged at one end, close to the base, of the displacement sensor, a sliding groove is formed in the support, an avoiding groove matched with the probes is formed in one end, close to the base, of the sliding groove, and the sliding block is arranged in the sliding groove in a sliding mode.

Furthermore, a first fixing piece penetrates through the sliding block and moves in a direction towards the direction close to the bracket, so that the first fixing piece is abutted against the bracket and the sliding block is fixed at the first preset position; and/or the first fixing piece moves in the direction far away from the bracket, so that the first fixing piece is separated from the bracket and used for sliding the sliding block.

Furthermore, the two ends of the sliding groove are respectively provided with a first positioning bulge, and the first positioning bulges are used for limiting the sliding block.

Furthermore, the base is provided with at least two clamping structures, the at least two clamping structures are arranged on the top surface of the base at intervals along the circumferential direction of the base, and opposite surfaces of the clamping structures enclose to form the accommodating cavity.

Furthermore, a guide groove for accommodating the clamping structure is formed in the position, corresponding to each clamping structure, of the base, and each clamping structure can move along the extending direction of the corresponding guide groove;

and a second fixing piece is arranged in the guide groove, and when the clamping structure moves to a second preset position, the second fixing piece is used for fixing the clamping structure in the guide groove.

Further, the clamping structure comprises a screw and a clamping assembly;

set up on the centre gripping subassembly with the hole of dodging that the screw rod matches, the one end of screw rod with second mounting threaded connection, the other end of screw rod runs through dodge the hole and with the centre gripping subassembly relatively fixed, just the screw rod with dodge hole clearance fit, the screw rod is used for the drive the centre gripping subassembly is along corresponding the extending direction of guide way removes.

Further, the clamping assembly comprises a moving block and a clamping block;

the moving block is provided with the avoiding hole, a stepped groove is formed in one side, close to the containing cavity, of the moving block, the clamping block is fixed on the stepped groove, and one side, far away from the screw rod, of the clamping block is used for being abutted to a mobile terminal contained in the containing cavity.

Furthermore, the opening of each guide groove is provided with a first scale mark.

Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:

the utility model provides a poor measuring device of cell-phone fingerprint section, through setting up the base and be provided with the support on the base, the holding chamber that is used for holding mobile terminal has on the base, the geometric center of support and the geometric center of the fingerprint position of the mobile terminal of holding intracavity are located same vertical line, the one end of keeping away from the base of support has detection device, this detection device has two relative settings and divides the detection structure of establishing in support geometric center both sides, two detection structures can be followed and keep away from each other or the direction horizontal migration that is close to each other, the one end that is close to the base of each detection structure all has two probes. When the fingerprint sensor is used, the two detection structures are respectively slid to the first preset positions, one probe of one detection structure can measure the first height of the fingerprint position, the other probe of the one detection structure can measure the second height of the battery cover, one probe of the other detection structure can also measure the first height of the fingerprint position, and the other probe of the other detection structure can measure the second height of the battery cover, so that the levelness of the fingerprint position can be determined according to the difference between the first height and the second height measured by one detection structure and the second height difference between the first height and the second height measured by the other detection structure, namely according to the first height difference measured by one detection structure and the second height difference measured by the other detection structure, the condition that the fingerprint position fish tail or warp that the contact measurement leads to among the prior art has effectively been avoided and has taken place, also not influenced by factors such as operator skill level to a certain extent, and measurement accuracy is high.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a mobile phone fingerprint step difference measuring device according to an embodiment of the disclosure;

fig. 2 is a cross-sectional view of a detection device of a mobile phone fingerprint step difference measurement device according to an embodiment of the disclosure;

fig. 3 is a cross-sectional view of a detection structure of a mobile phone fingerprint step difference measurement apparatus according to an embodiment of the present disclosure;

fig. 4 is a layout diagram of a probe of a displacement sensor of the mobile phone fingerprint step difference measuring device according to the embodiment of the disclosure;

fig. 5 is a schematic structural diagram of a clamping structure of the mobile phone fingerprint step measurement apparatus according to the embodiment of the present disclosure;

FIG. 6 is a top view of a base of the device for measuring fingerprint step of a mobile phone according to the embodiment of the present disclosure

Fig. 7 is a top view of a holder of the mobile phone fingerprint step measurement device according to the embodiment of the disclosure.

Wherein, 1, a base; 2. a support; 21. a cross beam; 22. a stringer; 23. a chute; 24. a first positioning projection; 25. a second scale mark; 3. an accommodating cavity; 4. a detection device; 4A, a transverse detection device; 4B, a longitudinal detection device; 41. detecting the structure; 41A, a transverse detection structure; 41B, a longitudinal detection structure; 411. a slider; 412. a displacement sensor; 42. a probe; 5. a first fixing member; 6. a clamping structure; 61. a screw; 62. a clamping assembly; 621. a moving block; 622. a clamping block; 623. a clamping protrusion; 63. avoiding holes; 7. a guide groove; 8. a second fixing member; 9. a first scale mark; 10. a mobile phone; 11. a fingerprint bit; 12. a battery cover.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.

Referring to fig. 1 to 7, the present embodiment provides a fingerprint position 11 levelness measuring device (hereinafter referred to as measuring device) for a back fingerprint of a mobile terminal, the measuring device includes a base 1 and a support 2 disposed on the base 1, the base 1 has a receiving cavity 3 for receiving the mobile terminal, a geometric center of the support 2 and a geometric center of a fingerprint position 11 of the mobile terminal received in the receiving cavity 3 are located on a same vertical line, that is, the geometric center of the support 2 is opposite to the geometric center of the fingerprint position 11 of the mobile terminal received in the receiving cavity 3.

During the concrete implementation, base 1's top surface has holding chamber 3, and the bottom mounting of support 2 is on base 1, and support 2 is along the vertical upwards extension of the direction of keeping away from base 1 top surface of orientation, and wherein, the geometric centre of support 2 and the geometric centre of the fingerprint position 11 of the mobile terminal of centre gripping in holding chamber 3 are located same vertical line, that is to say, the geometric centre of support 2's the projection of geometric centre on base 1 passes through the geometric centre of the fingerprint position 11 of the mobile terminal of centre gripping in holding chamber 3.

Wherein, the shape phase-match of holding chamber 3 and mobile terminal's shape, when the mobile terminal holding was in holding chamber 3, with base 1 relatively fixed, at this moment, the geometric center of this mobile terminal's fingerprint position 11 and the geometric center of support 2 were located same vertical line, convenient measurement.

It is easily understood by those skilled in the art that the mobile terminal in the present embodiment may be any mobile terminal with a back fingerprint, such as the smart phone 10. The fingerprint position 11 of the back fingerprint of the mobile phone 10 is a fingerprint groove at one side of a battery cover 12 of the mobile phone 10 and is used for unlocking through biological identification. The following embodiments are explained and illustrated in detail only with respect to the mobile terminal as the handset 10.

In the present embodiment, referring to fig. 1, one end of the bracket 2 away from the base 1, i.e. the top end of the bracket 2, is provided with a detection device 4, the detection device 4 includes two oppositely disposed detection structures 41, the two detection structures 41 are respectively disposed at two sides of the geometric center of the bracket 2 and can respectively move horizontally in the directions away from or close to each other, referring to the left-right direction or the front-back direction in fig. 1; the end, i.e. the bottom end, of each detecting structure 41 close to the base 1 is provided with two probes 42, that is, the bottom end of each detecting structure 41 extends towards the base 1 and protrudes with two probes 42.

One probe 42 of the two probes 42 is defined as a first probe 42, the other probe 42 of the two probes 42 is defined as a second probe 42, when each detection structure 41 slides to a first preset position, the first probe 42 is used for measuring a first height of the fingerprint position 11, the second probe 42 is used for measuring a second height of the battery cover 12, the levelness of the fingerprint position 11 is determined according to a difference value between a first height difference between the first height and the second height measured by one detection structure 41 and a second height difference between the first height and the second height measured by the other detection structure 41, a single-point measurement is not required to be carried out manually, the requirement on the skill level of an operator is low, the measurement precision is high, and meanwhile, the condition that the surface of the fingerprint position 11 is scratched or deformed due to the operation pressure of contact measurement is effectively avoided, the safety is good.

It can be understood that when the detecting structure 41 is located at the first predetermined position, the two probes 42 of the detecting structure 41 are respectively disposed at the edge of the fingerprint position 11, i.e. at two sides of the outer contour, so that the first probe 42 of the detecting structure 41 can measure the first height of the fingerprint position 11 at the measuring point, the second probe 42 of the detecting structure 41 can measure the second height of the battery cover 12, and the height difference between the first height and the second height measured by the detecting structure 41, i.e. the height difference between the measuring point of the fingerprint position 11 and the battery cover 12.

When the mobile phone 10 is used, firstly, the mobile phone 10 is clamped and fixed in the accommodating cavity 3, and the geometric center of the fingerprint position 11 of the back fingerprint of the mobile phone 10 is opposite to the geometric center of the bracket 2; then, the two oppositely disposed detecting structures 41 are respectively slid to the corresponding first preset positions, at this time, the detecting radiation of the first probe 42 of one detecting structure 41 is vertically irradiated on the fingerprint position 11 to measure the first height a1 of the fingerprint position 11, the detecting radiation of the second probe 42 of one detecting structure 41 is vertically irradiated on the battery cover 12 to measure the second height B1 of the battery cover 12, and at the same time, the detecting radiation of the first probe 42 of the other detecting structure 41 is also vertically irradiated on the fingerprint position 11 to measure the first height a2 of the fingerprint position 11, the detecting radiation of the other detecting structure 41 is also vertically irradiated on the battery cover 12 to measure the second height B2 of the battery cover 12. Finally, the levelness of the fingerprint position 11 can be determined according to the difference between the first height difference L1 measured by one of the detecting structures 41 between a1 and B1 and the second height difference L2 measured by the other detecting structure 41 between a2 and B2, that is, according to the first height difference L1 measured by one of the detecting structures 41 and the second height difference L2 measured by the other detecting structure 41, so that the occurrence of scratching or deformation of the fingerprint position 11 caused by contact measurement in the prior art is effectively avoided, the influence of factors such as operator skill level is avoided to a certain extent, and the measurement precision is high.

Through the technical scheme, 11 levelness measuring device in fingerprint position for mobile terminal back of body fingerprint that this embodiment provided, through setting up base 1 and be provided with support 2 on base 1, the holding chamber 3 that is used for holding mobile terminal has on base 1, the geometric centre of support 2 and the geometric centre of the fingerprint position 11 of the mobile terminal of holding in holding chamber 3 are located same vertical line, the one end that base 1 was kept away from to support 2 has detection device 4, this detection device 4 has two relative settings and divides and establishes the detection structure 41 in support 2 geometric centre both sides, two detection structure 41 can be along keeping away from each other or the direction horizontal migration that is close to each other, the one end that each detection structure 41 is close to base 1 all has two probes 42. In particular, when in use, the two detecting structures 41 are respectively slid to the first preset position, so that one of the probes 42 of one of the detecting structures 41 can measure the first height of the fingerprint position 11, the other probe 42 of the one detecting structure 41 can measure the second height of the battery cover 12, and one of the probes 42 of the other detecting structure 41 can also measure the first height of the fingerprint position 11, and the other probe 42 of the other detecting structure 41 can measure the second height of the battery cover 12, based on which, the levelness of the fingerprint position 11 can be determined according to the difference between the first height and the second height measured by one of the detecting structures 41 and the second height difference between the first height and the second height measured by the other detecting structure 41, that is, according to the first height difference measured by one of the detecting structures 41 and the second height difference measured by the other detecting structure 41, the condition that 11 scratches or deformation of fingerprint position that has effectively avoided contact measurement to lead to among the prior art takes place, also does not receive the influence of factors such as operator skill level to a certain extent, and measurement accuracy is high.

In a specific implementation, the detecting devices 4 may be a set, and of course, the detecting devices 4 may also be at least two sets, that is, the detecting devices 4 may be multiple sets. When the detection devices 4 are multiple sets, the multiple sets of detection devices 4 are arranged on the support 2 at intervals along the circumferential direction of the geometric center of the support 2.

Exemplarily, referring to fig. 1 and 2, the top end of the bracket 2 has two sets of detection devices 4, namely a transverse detection device 4A and a longitudinal detection device 4B, wherein the transverse detection device 4A and the detection device 4B have two oppositely disposed transverse detection structures 41A, and the two transverse detection structures 41A are both slidably disposed on the cross beam 21 at the top end of the bracket 2 and can be horizontally slid in the left-right direction in fig. 1; longitudinal direction detecting device 4B the detecting device 4 has two longitudinal direction detecting structures 41B arranged oppositely, and both longitudinal direction detecting structures 41B are slidably arranged on the longitudinal beam 22 at the top end of the bracket 2 and can be horizontally slid in the front-back direction in fig. 1.

Further, each detecting structure 41 includes a slider 411 and a displacement sensor 412, such as a laser displacement sensor 412, and the displacement sensor 412 of each detecting structure 41 is disposed on the slider 411 thereof and fixed relative to the corresponding slider 411. One end of each displacement sensor 412 close to the base 1, namely the bottom end of each displacement sensor 412, is provided with two probes 42, the bracket 2 is provided with a sliding groove 23 matched with each detection structure 41, one end of the sliding groove 23 close to the base 1 is provided with an avoidance groove matched with the probes 42, and the sliding block 411 is arranged in the sliding groove 23 in a sliding manner. Based on this, when the sliding block 411 moves horizontally along the corresponding sliding slot 23, the displacement sensor 412 fixed on the sliding block 411 moves together with the sliding block 411, and meanwhile, the battery cover 12 and the fingerprint position 11 are always located in the inspection area of the probe 42 at the bottom end of the displacement sensor 412, so that the structure is simple, and the measurement is convenient.

Referring to fig. 7, the second scale marks 25 are provided at the openings of the sliding grooves 23, so that the adjustment is convenient and accurate, and the improvement of the working efficiency is facilitated.

In this embodiment, referring to fig. 1 and fig. 2, a first fixing member 5 penetrates through the sliding block 411, and the first fixing member 5 can move in a direction toward the bracket 2, so that one end of the first fixing member 5 close to the bracket 2 abuts against the bracket 2 to fix the sliding block 411 at a first preset position, that is, the sliding block 411 is locked on the bracket 2 by the first fixing member 5; or the first fixing member 5 can be moved in a direction away from the bracket 2 so that the end of the first fixing member 5 near the bracket 2 is separated from the bracket 2 for sliding the slider 411, i.e., for unlocking the slider 411 from the bracket 2.

In practical implementation, the first fixing member 5 and the sliding block 411 may be connected in any suitable manner, as long as the first fixing member 5 can move in a direction toward or away from the bracket 2 to lock or unlock the sliding block 411 on or from the bracket 2.

Exemplarily, referring to fig. 1 and 2, the first fixing member 5 is a bolt having an external thread, the slider 411 is provided with a threaded hole, the bolt penetrates through the threaded hole to be in threaded connection with the slider 411, the bolt can move along a direction toward or away from the bracket 2 by rotating, and meanwhile, the self-locking mechanism has a self-locking function, is simple in structure, is convenient to implement, and is flexible and convenient to adjust.

Further, referring to fig. 1 and 7, the two ends of the sliding groove 23 are respectively provided with a first positioning protrusion 24, and the first positioning protrusion 24 is used for limiting the sliding block 411, it can be understood that the first positioning protrusion 24 may be implemented in any suitable structure as long as it can play a limiting and stopping role in the sliding of the sliding block 411 to prevent the sliding block 411 from coming out of the sliding groove 23.

For example, the first positioning protrusion 24 may be a stop protrusion disposed in an extending direction of the sliding groove 23, a stop ring disposed around the sliding groove 23, or the like.

In this embodiment, at least two clamping structures 6 are disposed on the base 1, and the at least two clamping structures 6 are disposed on the top surface of the base 1 along the circumferential interval of the base 1, that is, the at least two clamping structures 6 are disposed on one surface of the base 1 close to the detecting device 4 along the circumferential interval of the base 1, and the opposite surfaces of the clamping structures 6 enclose the accommodating cavity 3.

It will be appreciated that the opposite faces of the clamping structures 6 are the faces of the clamping structures 6 which are adjacent to each other.

In a specific implementation, the holding structure 6 may be implemented in any suitable manner, as long as the holding structure can cooperate with each other to hold the mobile phone 10 under the detection device 4 and make the geometric center of the support 2 and the geometric center of the fingerprint position 11 of the fingerprint carried by the mobile phone 10 face each other, which is not limited herein.

In this embodiment, referring to fig. 1 and fig. 5, in order to adapt to mobile phones 10 with various sizes and fingerprint positions 11 with different position sizes, guide grooves 7 for accommodating the clamping structures 6 are formed at positions of the base 1 corresponding to the clamping structures 6, the clamping structures 6 can move along the extending direction of the corresponding guide grooves 7, and meanwhile, second fixing members 8 are arranged in the guide grooves 7, and when the clamping structures 6 move to a second preset position, the second fixing members 8 are used for fixing the clamping structures 6 in the guide grooves 7.

During the specific use, can be through removing clamping structure 6 in guide way 7 to form not unidimensional holding chamber 3 at base 1 top surface, with the cell-phone 10 centre gripping that the position size of cell-phone 10 or the fingerprint position 11 of equidimensional is different in the holding chamber 3 that matches, and make the geometric centre of support 2 and the cell-phone 10 carry on the back the geometric centre of fingerprint position 11 of fingerprint just right, the commonality is high, and the suitability is good.

When moving clamping structure 6 to the second preset position, cell-phone 10 can the centre gripping in the holding chamber 3 that corresponds, meanwhile, can fix clamping structure 6 in this second preset position department through second mounting 8, that is to say, can realize clamping structure 6 and guide way 7 and base 1's relatively fixed through second mounting 8, and convenient test helps improving measurement accuracy.

It can be understood that, if two clamping structures 6 of the at least two clamping structures 6 are oppositely arranged, at this time, the two oppositely arranged clamping structures 6 can share one guide groove 7 and are respectively arranged at two sides of the guide groove 7, the clamping effect is good, and the measurement accuracy is improved.

In the concrete implementation, the second fixing part 8 can be a fixing plate which is arranged at the edge of the guide groove 7 close to the base 1 in a blocking manner, and the fixing plate can be integrally formed with the base 1, so that the integrity is good, and the strength is high; the fixing plate can also be detachably connected with the base 1 through fasteners such as bolts, so that the fixing plate is convenient to replace.

Further, referring to fig. 5, the clamping structure 6 includes a screw 61 and a clamping assembly 62, an avoiding hole 63 matched with the screw 61 is formed in the clamping assembly 62, one end of the screw 61 is in threaded connection with the second fixing member 8, the other end of the screw 61 penetrates through the avoiding hole 63 and is relatively fixed to the clamping assembly 62, and the screw 61 is in clearance fit with the avoiding hole 63, that is, the clamping assembly 62 is sleeved on the screw 61 and is in clearance fit with the screw 61, so that the screw 61 is configured to drive the clamping assembly 62 to move along the extending direction of the corresponding guide groove 7.

Wherein, the one side that is close to the storage tank at centre gripping subassembly 62 has seted up the step hole, and the other end of screw rod 61 runs through dodge hole 63 after and fix in the step hole through the countersunk head bolt, perhaps runs through dodge hole 63 at the other end of screw rod 61, and it is protruding to follow its radial grafting backstop of pegging graft on the other end of screw rod 61 to place screw rod 61 and centre gripping subassembly 62 and break away from, of course, this backstop is protruding to be located centre gripping subassembly 62 and is close to the step hole on the storage tank one side.

During specific use, the screw 61 is rotated, the screw 61 can move along the extending direction of the guide groove 7, at the moment, the other end of the screw 61 is stopped on one surface of the clamping component 62 close to the accommodating cavity, namely, the screw 61 is fixed relative to the clamping component 62 sleeved on the outer wall of the screw 61, so that the rotating motion of the screw 61 can drive the clamping component 62 to move along the extending direction of the guide groove 7, and the structure is simple and easy to realize.

In this embodiment, referring to fig. 1 and 5, the clamping assembly 62 includes a moving block 621 and a clamping block 622, an avoiding hole 63 for avoiding the screw 61 is formed in the moving block 621, a stepped groove is formed on one side of the moving block 621 close to the accommodating cavity 3, the clamping block 622 is fixed on the stepped groove, one side of the clamping block 622 away from the screw 61 is used for abutting against the mobile terminal accommodated in the accommodating cavity 3, that is, one side of the clamping block away from the screw 61 protrudes out of or is flush with one side of the moving block 621 away from the screw 61, and in this design, when the mobile phone 10 is clamped in the accommodating cavity 3, the mobile phone 10 abuts against the clamping block 622.

Preferably, as shown in fig. 1 and 5, a clamping protrusion 623 is disposed on a side of the clamp block 622 close to the accommodating cavity 3, and the clamping protrusion 623 may be one or more, and preferably, two clamping protrusions 623 are disposed on a side of the clamp block 622 close to the accommodating cavity 3, which helps to improve the measurement accuracy.

It can be understood that when a plurality of the holding projections 623 are provided on each clamp block 622, the faces of the plurality of holding projections 623 remote from the clamp block 622 are flush.

Further, referring to fig. 6, the opening of each guide groove 7 is provided with a first scale mark 9, which facilitates accurate adjustment according to the size of the mobile phone 10 and the position size of the fingerprint position 11 of the back fingerprint, and helps to improve the work efficiency and the measurement accuracy.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The previous description is only for the purpose of describing particular embodiments of the present disclosure, so as to enable those skilled in the art to understand or implement the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A mobile phone fingerprint section difference measuring device is characterized by comprising a base (1) and a support (2) arranged on the base (1);

the base (1) is provided with an accommodating cavity (3) for accommodating the mobile terminal, and the geometric center of the bracket (2) and the geometric center of a fingerprint position (11) of the mobile terminal accommodated in the accommodating cavity (3) are positioned on the same vertical line;

one end, far away from the base (1), of the support (2) is provided with a detection device (4), the detection device (4) comprises two detection structures (41) which are arranged oppositely, the two detection structures (41) are respectively arranged on two sides of the geometric center of the support (2) and move horizontally along the directions far away from or close to each other;

one end of each detection structure (41) close to the base (1) is provided with two probes (42), when each detection structure (41) slides to a first preset position, one probe (42) is used for measuring a first height of the fingerprint position (11), the other probe (42) is used for measuring a second height of a battery cover (12) of the mobile terminal, and the levelness of the fingerprint position (11) is determined according to a difference value between a first height difference between the first height and the second height measured by one detection structure (41) and a corresponding second height difference measured by the other detection structure (41).

2. The mobile phone fingerprint step difference measuring device according to claim 1, wherein the number of the detecting devices (4) is at least two, and at least two groups of the detecting devices (4) are arranged on the support (2) at intervals along the circumference of the geometric center of the support (2).

3. The mobile phone fingerprint level difference measuring device according to claim 1, wherein each of the detecting structures (41) comprises a slider (411) and a displacement sensor (412);

displacement sensor (412) set up on slider (411), and with slider (411) relatively fixed, just displacement sensor (412) are close to the one end of base (1) has two probe (42), be provided with spout (23) on support (2), spout (23) are close to the one end of base (1) have with the groove of dodging that probe (42) match, slider (411) slide and set up in spout (23).

4. The mobile phone fingerprint step difference measuring device according to claim 3, wherein a first fixing member (5) penetrates through the sliding block (411), and the first fixing member (5) moves in a direction towards the direction close to the bracket (2) so as to enable the first fixing member (5) to abut against the bracket (2) and fix the sliding block (411) at the first preset position; and/or the presence of a gas in the gas,

the first fixing piece (5) moves in a direction away from the bracket (2) so that the first fixing piece (5) is separated from the bracket (2) for sliding the slider (411).

5. The mobile phone fingerprint segment difference measuring device according to claim 3, wherein two ends of the sliding groove (23) are respectively provided with a first positioning protrusion (24), and the first positioning protrusions (24) are used for limiting the sliding block (411).

6. The mobile phone fingerprint segment difference measuring device according to claim 1, wherein at least two clamping structures (6) are arranged on the base (1), the at least two clamping structures (6) are arranged on the top surface of the base (1) at intervals along the circumferential direction of the base (1), and the opposite surfaces of the clamping structures (6) enclose the accommodating cavity (3).

7. The mobile phone fingerprint segment difference measuring device according to claim 6, wherein a guide groove (7) for accommodating the clamping structure (6) is formed in the base (1) at a position corresponding to each clamping structure (6), and each clamping structure (6) can move along the extending direction of the corresponding guide groove (7);

and a second fixing piece (8) is arranged in the guide groove (7), and when the clamping structure (6) moves to a second preset position, the second fixing piece (8) is used for fixing the clamping structure (6) in the guide groove (7).

8. The mobile phone fingerprint segment difference measuring device according to claim 7, wherein the clamping structure (6) comprises a screw (61) and a clamping component (62);

seted up on centre gripping subassembly (62) with hole (63) of dodging that screw rod (61) matches, the one end of screw rod (61) with second mounting (8) threaded connection, the other end of screw rod (61) runs through hole (63) of dodging and with centre gripping subassembly (62) relatively fixed, just screw rod (61) with hole (63) clearance fit dodges, screw rod (61) are used for the drive centre gripping subassembly (62) are along corresponding the extending direction of guide way (7) removes.

9. The mobile phone fingerprint level difference measuring device according to claim 8, wherein the clamping component (62) comprises a moving block (621) and a clamping block (622);

the avoiding hole (63) is formed in the moving block (621), a step groove is formed in one side, close to the accommodating cavity (3), of the moving block (621), the clamping block (622) is fixed on the step groove, and one surface, far away from the screw rod (61), of the clamping block (622) is abutted to the mobile terminal accommodated in the accommodating cavity (3).

10. The mobile phone fingerprint step difference measuring device according to claim 7, wherein the opening of each guide groove (7) is provided with a first scale mark (9).

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