TWI479308B - Testing device - Google Patents

Description

Test device

The invention relates to a test device, in particular to a plug test device for an interface between a product to be tested and an electronic device.

Generally, the items to be tested are tested in series before leaving the factory to ensure the quality of the product to be tested. For example, if a portable memory (PMD, Personal Media Drive) is delivered to the factory, it will be able to match the PMD. The interface of the electronic product is matched and tested for insertion and removal. During the test, a force of 12 N is manually applied to the PMD, and the interface of the electronic product is inserted and removed at a certain rate, and the cycle is repeated several times to obtain a matching test result. However, the above-mentioned manual operation method is not easy to accurately control the force at 12 cows, and it is not easy to accurately control the interval between every two times, and the manual method is easy to exhaust the operator and waste a lot of labor costs.

In view of the above, it is necessary to provide a test apparatus that can automatically perform a plug-in test between a product to be tested and an interface of an electronic device.

a test device for inserting and unloading a test between a product to be tested and an interface of an electronic device, the test device comprising a pushing structure and a clamping structure for clamping the product to be tested, the pushing The structure includes an air guiding tube and a movable rod and an elastic member received in the air guiding tube, one end of the elastic element is connected to the movable rod, and the other end of the elastic element is connected to the air guiding tube. The movable rod is fixedly coupled to the clamping structure, the air guiding tube is configured to receive an externally input air pressure to drive the movable rod, and the movable rod is configured to be in the clamping structure after being driven by air pressure Inserting the product into the interface in a first direction and driving the elastic member to elastically deform, the elastic member for elastically returning when the air pressure subsides, causing the movable rod to drive the clamping structure along the The first direction is opposite to the second direction of movement to separate the product to be tested from the interface.

Compared with the prior art, the movable rod in the above test apparatus moves together with the clamping structure in a direction close to the interface to insert the product to be tested into the interface, the elastic element Elastic recovery to cause the movable rod to move the clamping structure in a direction away from the interface to disengage the product to be tested from the interface. The plug-in test between the interface of the memory and the electronic device can be automatically performed without manual work.

Referring to FIG. 1, in a preferred embodiment of the present invention, a test device is used for plugging and untesting between a product to be tested 10 and an interface 21 of an electronic device 20. The test device includes a bracket 30, a pushing structure 40 fixed to the bracket 30, and a clamping structure 50 fixed to the pushing structure 40. In one embodiment, the product to be tested 10 can be a memory, such as a USB flash drive, a memory card, etc., and the electronic device 20 can be a computer case or other electronic product having an interface.

Referring to FIG. 2-3, the bracket 30 includes a base 31 and a fixing member 33 vertically connected to the base 31. The base 31 is provided with two base holes 311. The base hole 311 allows a lock (not shown) such as a screw or the like to be locked therein to fix the base 31 to a support surface (not shown) such as a console. The fixing member 33 includes a first fixing plate 331 coupled to the base 31 and a second fixing plate 333 fixed to the first fixing plate 331. The first fixing plate 331 defines a first fixing hole 3311. In a preferred embodiment, the elongated first fixing hole 3311 has an elongated shape and is longitudinally opened on the first fixing plate 331 and extends from the top end of the first fixing plate 331 to the bottom end. The second fixing plate 333 defines a second fixing hole 3332 corresponding to the first fixing hole 3311. The second fixing plate 333 can be fixed at different positions of the first fixing plate 331 to change the vertical height of the fixing member. In a preferred embodiment, the second fixing hole 3332 has an elongated shape and is longitudinally opened on the second fixing plate 333, and extends from the top end of the second fixing plate 333 to the bottom end.

The pushing structure 40 includes an air guiding tube 41, an elastic member 42 and a movable rod 43. In an embodiment, the elastic member 42 is a spring.

A convex portion 411 is formed on the outer portion of the air guiding tube 41, and a threaded portion 413 is disposed at each end of the convex portion 411. The air guiding tube 41 can be fixed to the first fixing plate 331 or the second fixing plate 333 by the threaded portion 413. The air guiding tube 41 defines a through hole 414.

The movable rod 43 includes a movable rod body 431 , a connecting portion 432 extending from one end of the movable rod body 431 , and a locking portion 433 extending from the other end of the movable rod body 431 . The outer diameter of the movable rod 43 is slightly smaller than the diameter of the through hole 414, so that the movable rod 43 can be received in the through hole 414. The connecting portion 432 is recessed in the middle to make the connecting portion 432 both ends wide and narrow in the middle.

One end of the air guiding tube 41 is connected to the air tube 60. The air tube 60 includes a fixing portion 61. When the air tube 60 is connected to the air guiding tube 41, the fixing portion 61 is located in the air guiding tube 41. One end of the elastic member 42 is used to connect the fixing portion 61, and the other end is used to connect the connecting portion 432 of the movable rod 43.

The clamping structure 50 includes a mounting rod 51 and a clamping structure body 53 connected to the mounting rod 51. The clamping structure body 53 includes a V-shaped clamping member 531 and an adjusting member 533. The clamping member 531 includes two clamping arms 5311, and the free end of each clamping arm 5311 is provided with a tooth 5313 for clamping the product to be tested 10, and the adjusting member 533 connects the two clamping arms 5311 The free ends are locked together, and the adjusting member 533 can change the distance between the free ends of the two clamping arms 5311 by rotation adjustment, thereby matching the products 10 to be tested having different thicknesses.

Referring to FIG. 4 , the second fixing plate 333 is abutted against the first fixing plate 331 and aligned with the second fixing hole 3332 and the first fixing plate 331 on the second fixing plate 333 . The fixing hole 3311, the two locking members 80 pass through the second fixing hole 3332 and the first fixing hole 3311 at the same time, and the two nuts 90 are respectively locked on the two locking pieces 80, thereby mounting the second fixing plate 333 and the first fixing plate 331 Together.

The air guiding tube 41 of the pushing structure 40 is passed through the second fixing hole 3332 of the second fixing plate 333, and the convex portion 411 is positioned in the second fixing hole 3332. The two nuts 100 are respectively locked on the threaded portions 413 on both sides of the convex portion 411 to fix the air guiding tube 41 to the second fixing plate 333. The connecting portion 432 of the elastic member 42 and the connecting portion 432 of the movable rod 43 are fixed together by an interference fit, and the elastic member 42 and the movable rod 43 are placed in the through hole 414 of the air guiding tube 41. The other end of the elastic member 42 and the fixing portion 61 of the gas pipe 60 are fixed together by an interference fit, and the gas pipe 60 is connected to the air pipe 41. A nut 200 is locked on the locking portion 433 of the movable rod 43 , and the external thread of the locking portion 433 is engaged with the internal thread of the mounting rod 51 to thereby move the movable rod 43 and the clamping structure. 50 is fixed together, and the assembly is completed. At this time, one end of the elastic member 42 is fixed to the gas pipe 60, and the other end is fixed to the movable rod 43, and the elastic member 42 is in a natural state.

Referring to FIG. 5, in use, the adjusting member 533 of the clamping structure 50 is rotationally adjusted until the teeth 5313 of the two clamping arms 5311 are clamped to the product 10 to be tested. At this time, the product to be tested 10 is aligned with the interface 21 of the electronic device 20.

The gas delivery tube 60 is pumped up by a pumping structure (not shown). At this time, the air pressure in the gas pipe 60 acts on the movable rod 43 to move the movable rod 43 close to the electronic device 20, thereby driving the clamping structure 50 to move in a first direction close to the interface 21 of the electronic device 20. Until the product to be tested 10 is inserted into the interface 21 of the electronic device 20. At this time, the elastic member 42 is elastically deformed and stretched under the pulling of the movable rod 43. In one embodiment, the force is 12 N.

When the pumping structure stops pumping, the force acting on the movable rod 43 disappears, and the elastic force of the elastic member 42 pulls the movable rod 43 back, and the movable rod 43 is along the first and the Moving in a second direction opposite to the direction, the product to be tested 10 is separated from the interface 21 of the electronic device 20.

The pumping structure repeats the above actions according to a certain frequency, and the result of the adaptation of the product to be tested 10 and the interface 21 of the electronic device 20 can be tested.

The pushing structure 40 can be mounted at different positions of the fixing member 33 to align the interfaces 21 at different positions.

In summary, this creation has indeed met the requirements of the invention patent, and has filed a patent application in accordance with the law. However, the above-mentioned preferred embodiments of the present invention are intended to be within the scope of the following claims.

10. . . Product to be tested

20. . . Electronic device

twenty one. . . interface

30. . . support

31. . . Pedestal

311. . . Base hole

33. . . Fastener

331. . . First fixing plate

3311. . . First fixing hole

333. . . Second fixing plate

3332. . . Second fixing hole

40. . . Push structure

41. . . Air duct

411. . . Convex

413. . . Thread part

414. . . Through hole

42. . . Elastic component

43. . . Movable rod

431. . . Moving rod body

432. . . Connection

433. . . Locking part

50. . . Clamping structure

51. . . Mounting rod

53. . . Clamping structure body

531. . . Clamping piece

5311. . . Clamping arm

5313. . . Tooth

533. . . Adjustment piece

60. . . Gas pipe

61. . . Fixed part

80. . . Lock firmware

90, 100. . . Nut

200. . . Nut

1 is a perspective exploded view of a test device, a memory, and an electronic device in accordance with a preferred embodiment of the present invention.

Figure 2 is an exploded perspective view of one of the test devices of Figure 1.

Figure 3 is a cross-sectional view of a push structure of Figure 2.

Figure 4 is a perspective assembled view of Figure 2.

Figure 5 is a perspective assembled view of Figure 1.

31. . . Pedestal

311. . . Base hole

33. . . Fastener

331. . . First fixing plate

3311. . . First fixing hole

333. . . Second fixing plate

3332. . . Second fixing hole

40. . . Push structure

41. . . Air duct

411. . . Convex

413. . . Thread part

42. . . Elastic component

43. . . Movable rod

431. . . Moving rod body

432. . . Connection

433. . . Locking part

51. . . Mounting rod

53. . . Clamping structure body

531. . . Clamping piece

5311. . . Clamping arm

5313. . . Tooth

533. . . Adjustment piece

60. . . Gas pipe

80. . . Lock firmware

90, 100. . . Nut

200. . . Nut

Claims (10)

a test device for inserting and unloading a test between a product to be tested and an interface of an electronic device, the test device comprising a pushing structure and a clamping structure for clamping the product to be tested, the pushing The structure includes an air guiding tube and a movable rod and an elastic member received in the air guiding tube, one end of the elastic element is connected to the movable rod, and the other end of the elastic element is connected to the air guiding tube. The movable rod is fixedly coupled to the clamping structure, the air guiding tube is configured to receive an externally input air pressure to drive the movable rod, and the movable rod is configured to be in the clamping structure after being driven by air pressure Inserting the product into the interface in a first direction and driving the elastic member to elastically deform, the elastic member for elastically returning when the air pressure subsides, causing the movable rod to drive the clamping structure along the The first direction is opposite to the second direction of movement to separate the product to be tested from the interface. The test device of claim 1, wherein the clamping structure comprises a clamping member for clamping the product to be tested and an adjusting member mounted on the clamping member, The adjusting member is used for rotational adjustment so that the clamping member can hold the product to be tested of different thicknesses. The test device of claim 2, wherein the clamping member comprises two clamping arms connected together for clamping the product to be tested, and the adjusting member is rotatably mounted on the two On the clamping arms, the adjusting member is used for rotational adjustment to change the distance between the free ends of the two clamping arms so that the two clamping arms can hold different thicknesses of the product to be tested. The test device of claim 3, wherein the free end of each of the clamping arms is provided with a plurality of teeth for clamping the product to be tested. The test device of claim 3, wherein the adjustment member is adjacent to a free end of the clamp arm. The test device of claim 2, wherein the holder is V-shaped. The test device of claim 1, wherein the clamping structure further comprises a mounting rod connecting the clamping member and the movable rod, the movable rod comprising a locking portion, The locking portion is locked into the mounting rod. The test device of claim 1, wherein the test device further comprises a support for supporting on a support surface, the air guide tube being fixed to the support. The test device of claim 1, wherein the movable rod includes a connecting portion for connecting the elastic member, wherein the connecting portion is recessed in the middle to make both ends of the connecting portion wide and narrow in the middle . The test device of claim 1, wherein the test device further comprises an air pipe connecting the air pipe, the air pipe is for inputting air pressure into the air pipe, and the air pipe comprises a The fixing portion of the air guiding tube is fixed to the fixing portion at the other end of the elastic member.