WO2021139822A1

WO2021139822A1 - Clamp for accelerated life test

Info

Publication number: WO2021139822A1
Application number: PCT/CN2021/075334
Authority: WO
Inventors: 丁文兴; 张帆; 吴刚; 赵静; 赵超
Original assignee: 中国标准化研究院
Priority date: 2020-03-18
Filing date: 2021-02-04
Publication date: 2021-07-15
Also published as: CN211927971U; LU500481B1

Abstract

Disclosed is a clamp for an accelerated life test. The clamp comprises a bearing plate (1), wherein the top face of the bearing plate (1) is provided with a cavity (2) in sliding fit with the profile of a mobile phone to be tested; and an X-Y direction track adjusting structure, wherein the X-Y direction track adjusting structure comprises an X direction adjusting assembly (3), a Y direction adjusting assembly (4) and a base (5), the lower portion of a first end block (6) of the Y direction adjusting assembly (4) is provided with a first guide light hole (15) and a first transmission threaded hole (16) that penetrate a left side face and a right side face thereof, a guide rod (10) of the X direction adjusting assembly (3) is installed in the first guide light hole (15) in a sliding manner, a transmission screw rod (9) of the X direction adjusting assembly (3) is arranged in the first transmission threaded hole (16) in a penetrating manner and is in threaded fit with the first transmission threaded hole (16), and a second guide light hole (17) and a second transmission threaded hole (18) that penetrate a front side face and a rear side face thereof are provided in the lower portion of the base (5). The clamp has a simple structure and is convenient to use.

Description

Fixture for accelerated life test

Technical field

The utility model relates to the technical field of auxiliary devices for detection, in particular to a clamp for accelerated life testing.

Background technique

In the process of mobile phone life detection, one of the test items is to detect the number of presses of the mobile phone buttons. In the process of using the device to continuously click the mobile phone buttons, it can speed up the detection of the mobile phone's service life. An accelerated life testing device can detect multiple models of mobile phones, and the click parts of the testing device remain unchanged. For mobile phones of different specifications and models, the size of the fixture used to fix the mobile phone needs to be designed correspondingly, and the fixture is relatively clickable The position of the component needs to be re-adjusted.

Utility model content

For this reason, the present invention provides a fixture for accelerated life testing to solve the problem that the position of the fixture for accelerated life testing in the prior art is difficult to adjust.

In order to achieve the above objectives, the embodiments of the present invention provide the following technical solutions:

According to the present utility model, a fixture for accelerated life testing is provided, which includes a supporting plate;

The top surface of the supporting plate is provided with a cavity that slidably fits with the contour of the mobile phone to be detected;

And XY-direction rail adjustment structure, the XY-direction rail adjustment structure includes an X-direction adjustment assembly, a Y-direction adjustment assembly, and a base. The first end block of the Y-direction adjustment assembly is provided with first guides penetrating the left and right sides A light hole and a first transmission threaded hole, the guide rod of the X-direction adjustment assembly is slidably installed in the first guide light hole, and the transmission screw of the X-direction adjustment assembly is penetrated through the first transmission thread The bottom of the base is provided with a second light guide hole and a second transmission threaded hole penetrating through the front and rear sides. The guide rod of the Y-direction adjustment assembly is slidably mounted on the first transmission threaded hole. In the second light guide hole, the transmission screw of the Y-direction adjustment assembly is inserted in the second transmission threaded hole, and threadedly cooperates with the second transmission threaded hole, and the top surface of the base is provided There are assembling holes, and the supporting plate is detachably installed above the assembling holes of the base.

Further, the X-direction adjustment assembly and the Y-direction adjustment assembly have the same structure, and both include a first end block, a second end block, a bearing seat, a transmission screw, a guide rod, and a power input assembly. Is arranged on the top surface of the first end block, the bearing seat is detachably installed on the top surface of the second end block, the guide rod is provided with two, and is symmetrically fixed on the first end block and Between the opposite side surfaces of the second end block, the side surfaces close to the two ends of the transmission screw are smooth surfaces, and the two ends of the transmission screw are respectively arranged in the bearing seat and in a driveable connection with the output shaft of the power input assembly, The lower part of the first end block of the Y-direction adjustment assembly is provided with the first light guiding hole and the first transmission threaded hole.

Further, the power input assembly includes a worm gear box and a coupling, the worm gear box is detachably mounted on the top surface of the first end block, the rotating shaft of the worm wheel of the worm gear box is the power input shaft, and The end surface of the power input shaft is provided with a spline hole. The external power drives the power input shaft through the spline fit to drive the transmission connection. The worm shaft of the worm gear box is the output shaft, and the output shaft is provided with a coupling and a transmission The screw is firmly connected.

Further, the outline of the assembly hole is rectangular, and a first fixing hole penetrating the base is opened, the bottom of the supporting plate is provided with a bump, the outline of the bump is rectangular, and is slidable with the assembly hole Of cooperation.

Further, a second fixing hole penetrates through the side of the protrusion, and after the protrusion of the supporting plate is installed in the assembly hole, the supporting plate is restricted above the assembly hole by bolts.

The utility model has the following advantages:

The cavity shape of the support plate can be customized according to the size and shape of the mobile phone. After the mobile phone is installed in the cavity, the position of the support plate relative to the click component of the detection device is continuously adjusted through the XY track adjustment structure to make the click component You can click to the center of the phone button.

Description of the drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only exemplary. For those of ordinary skill in the art, without creative work, other implementation drawings can be derived from the provided drawings.

The structure, ratio, size, etc. shown in this manual are only used to match the content disclosed in the manual for people familiar with this technology to understand and read. They are not used to limit the limited conditions for the implementation of this utility model, so it does not have The technical significance, any structural modification, proportional relationship change or size adjustment, shall still fall within the scope of the present utility model without affecting the effects and objectives that can be achieved by the utility model. The technical content must be covered.

Fig. 1 is a top view of a fixture for accelerated life testing according to an exemplary embodiment;

Fig. 2 is a top view of an X-direction adjustment assembly according to an exemplary embodiment;

Fig. 3 is a top view of a Y-direction adjustment assembly according to an exemplary embodiment;

Fig. 4 is a side view of the first end block of the Y-direction adjustment assembly according to an exemplary embodiment;

Fig. 5 is a side view of a base according to an exemplary embodiment;

Fig. 6 is a side sectional view of a supporting plate according to an exemplary embodiment.

In the figure: 1. Supporting plate; 2. Cavity; 3. X-direction adjustment assembly; 4. Y-direction adjustment assembly; 5. Base; 6. First end block; 7. Second end block; 8. Bearing seat; 9. Drive screw; 10. Guide rod; 11. Power input assembly; 12. Worm gear box; 13. Coupling; 14. Spline hole; 15. First guiding light hole; 16. First transmission Threaded hole; 17, the second light guiding hole; 18, the second transmission threaded hole; 19, the assembly hole; 20, the first fixing hole; 21, the bump; 22, the second fixing hole.

Detailed ways

The following specific examples illustrate the implementation of the present utility model. Those familiar with this technology can easily understand the other advantages and effects of the present utility model from the content disclosed in this specification. Obviously, the described embodiments are the present utility model. Some embodiments, not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the scope of protection of the present utility model.

According to an embodiment of the present invention, a fixture for accelerated life testing is provided, as shown in Figs. 1 to 6, including:

Supporting plate 1, the top surface of the supporting plate 1 is provided with a cavity 2 that slidably fits with the contour of the mobile phone to be detected. It is pointed out here that the supporting plate 1 can be a steel plate, which can be processed by a machine tool. The size of the cavity 2 structure.

And an XY-direction adjustment structure, the XY-direction adjustment structure includes an X-direction adjustment assembly 3, a Y-direction adjustment assembly 4, and a base 5. The X-direction adjustment assembly 3 and the Y-direction adjustment assembly 4 have the same structure, and both include the first One end block 6, the second end block 7, the bearing seat 8, the transmission screw 9, the guide rod 10 and the power input assembly 11, the power input assembly 11 is arranged on the top surface of the first end block 6, the The bearing seat 8 is detachably installed on the top surface of the second end block 7. The guide rods 10 are provided with two, and they are fixedly arranged on the opposite sides of the first end block 6 and the second end block 7 symmetrically. In between, the side surfaces of the transmission screw 9 close to the two ends are smooth, and the two ends of the transmission screw 9 are respectively arranged on the bearing housing 8 and in a driveable connection with the output shaft of the power input assembly 11. The assembly 11 includes a worm gear box 12 and a coupling 13. The worm gear box 12 is detachably mounted on the top surface of the first end block 6. The rotating shaft of the worm wheel of the worm gear box 12 is the power input shaft, and The end surface of the input shaft is provided with a spline hole 14. The external power drives the power input shaft through spline coordination to drive the transmission connection. The external power can be an electric drill and a spline shaft arranged on the end surface of the output shaft of the electric drill. It is arranged in the spline hole 14 to realize transmission. The rotating shaft of the worm of the worm gear box 12 is the output shaft, and a coupling 13 is fixedly connected to the transmission screw 9 on the output shaft. The spline shaft can be connected to the end surface of the output shaft of the electric drill. The fixing is achieved by welding or using other fixing structures such as couplings. The lower part of the first end block 6 of the Y-direction adjusting assembly 3 is provided with a first light guiding hole 15 and a first driving threaded hole 16 penetrating the left and right side surfaces. The guide rod 10 of the X-direction adjustment assembly 3 is slidably installed in the first light guide hole 15, and the transmission screw 9 of the X-direction adjustment assembly 3 is inserted in the first transmission threaded hole 16 and is connected to the first transmission threaded hole. 16 are screwed to each other. The lower part of the base 5 is provided with a second light guide hole 17 and a second transmission threaded hole 18 penetrating through the front and rear sides. The guide rod 10 of the Y-direction adjustment assembly 4 is slidably installed in the second light guide hole In 17, the transmission screw 9 of the Y-direction adjustment assembly 4 is inserted in the second transmission threaded hole 18, and threadedly cooperates with the second transmission threaded hole 18. The top surface of the base 5 is provided with an assembly hole 19, the The supporting plate 1 is detachably mounted on the mounting hole 19 of the base 5. The contour of the mounting hole 19 is rectangular, and a first fixing hole 20 is opened through the base. The rectangular mounting hole 19 is convenient to identify the supporting plate 1 In the assembly direction, the bottom of the supporting plate 1 is provided with a bump 21, the outline of the bump 21 is rectangular, and the size can be slidably fitted with the assembly hole 19, the side of the bump 21 is penetrated with a second Two fixing holes 22, after the projection 21 of the supporting plate 1 is installed in the assembly hole 19, the supporting plate 1 is restricted above the assembly hole 19 with bolts, and the worm gear box 12 is used as the power input end, and its self-locking function can be used , To achieve the purpose of limiting the position of the base 5.

working principle:

According to the contour of the mobile phone to be tested, a suitable cavity 2 is machined on the supporting plate 1, and then the bump 21 of the supporting plate 1 is inserted into the assembly hole 19, fixed with bolts, and used on the click part of the detection device Hold the laser pointer with your hand or fix the laser pointer with a cable tie so that the light of the laser pointer is vertically downward. By driving the power input shaft of the worm gear box 12 to rotate, the Y-direction adjustment assembly 4 is driven to move in the X direction and the base 5 is moved in the Y direction. When the mobile phone is placed in the cavity 2 of the support plate 1, and the light of the laser pointer can be irradiated on the buttons of the mobile phone to be detected by the naked eye, it can be judged that the position of the support plate 1 is feasible. Of course, When you hold the laser pointer directly below the component by hand, the light of the laser pointer should irradiate to the center of the mobile phone button.

Although the general description and specific embodiments have been used to describe the present utility model in detail above, it is obvious to those skilled in the art that some modifications or improvements can be made on the basis of the present utility model. Therefore, these modifications or improvements made on the basis of not departing from the spirit of the present utility model belong to the scope of protection of the present utility model.

Claims

A fixture for accelerated life testing, characterized in that it includes a supporting plate;

The top surface of the supporting plate is provided with a cavity that slidably fits with the contour of the mobile phone to be detected;

And XY-direction rail adjustment structure, the XY-direction rail adjustment structure includes an X-direction adjustment assembly, a Y-direction adjustment assembly, and a base. The first end block of the Y-direction adjustment assembly is provided with first guides penetrating the left and right sides A light hole and a first transmission threaded hole, the guide rod of the X-direction adjustment assembly is slidably installed in the first guide light hole, and the transmission screw of the X-direction adjustment assembly is penetrated through the first transmission thread The bottom of the base is provided with a second light guide hole and a second transmission threaded hole penetrating through the front and rear sides. The guide rod of the Y-direction adjustment assembly is slidably mounted on the first transmission threaded hole. In the second light guide hole, the transmission screw of the Y-direction adjustment assembly is inserted in the second transmission threaded hole, and threadedly cooperates with the second transmission threaded hole, and the top surface of the base is provided There are assembling holes, and the supporting plate is detachably installed above the assembling holes of the base.
The fixture for accelerated life testing according to claim 1, wherein the structure of the X-direction adjustment assembly and the Y-direction adjustment assembly are the same, and both include a first end block, a second end block, and a bearing seat. , A transmission screw, a guide rod and a power input assembly, the power input assembly is arranged on the top surface of the first end block, the bearing seat is detachably mounted on the top surface of the second end block, and the guide rod is arranged There are two, and they are fixedly arranged symmetrically between the opposite side surfaces of the first end block and the second end block. The sides of the transmission screw near the two ends are smooth, and the two ends of the transmission screw are respectively arranged In the bearing seat and the driveable connection with the output shaft of the power input assembly, the first light guiding hole and the first transmission threaded hole are opened at the lower part of the first end block of the Y-direction adjusting assembly.
The fixture for accelerated life testing according to claim 2, wherein the power input assembly includes a worm gear box and a coupling, and the worm gear box is detachably mounted on the top surface of the first end block In the above, the rotating shaft of the worm wheel of the worm gear box is the power input shaft, and the end face of the power input shaft is provided with a spline hole. The external power drives the power input shaft through the spline fit to drive the transmission connection. The worm of the worm gear box The shaft is the output shaft, and a coupling is fixedly connected to the drive screw on the output shaft.
The jig for accelerated life testing according to claim 3, characterized in that: the outline of the assembling hole is rectangular, and a first fixing hole penetrating through the base is opened, and the bottom of the supporting plate is provided with The convex block, the contour of the convex block is rectangular, and is slidably fitted with the assembling hole.
The jig for accelerated life testing according to claim 4, wherein a second fixing hole penetrates through the side of the protrusion, and after the protrusion of the supporting plate is installed in the assembly hole, a bolt is used The supporting plate is restricted above the assembling hole.