CN110318580B

CN110318580B - Can accomodate handle subassembly and test machine butt joint subassembly

Info

Publication number: CN110318580B
Application number: CN201810295159.9A
Authority: CN
Inventors: 王啟书; 郑柏凱
Original assignee: To Mao Electronics Suzhou Co ltd
Current assignee: To Mao Electronics Suzhou Co ltd
Priority date: 2018-03-30
Filing date: 2018-03-30
Publication date: 2021-01-12
Anticipated expiration: 2038-03-30
Also published as: CN110318580A

Abstract

A stowable handle assembly includes a base, a spring, a handle, at least one magnet, and an upper cover. The base has a first connecting portion. The first connecting part is provided with a groove and a first positioning shaft. The spring is sleeved on the first positioning shaft. One end of the handle has a second connecting portion. The bottom surface of the second connecting part is provided with a convex part. The convex part is coupled with the concave part. The convex part is provided with a first positioning hole. The first positioning shaft is inserted into the first positioning hole. The top surface of the second connecting part is provided with at least one second positioning hole and a plurality of third positioning holes. The magnet is located in the second positioning hole. The second connecting portion of handle is located between the first connecting portion of upper cover and base. The bottom surface of the upper cover is provided with a plurality of second positioning shafts and a plurality of screws. The second positioning shaft is selectively coupled with part of the positioning holes of the third positioning hole. The magnet selectively attracts one of the screws. When the handle is not pressed down, the second positioning shaft of the upper cover can be coupled with part of the third positioning holes of the handle, so that the handle is prevented from being rotated due to the error touch of external force in the horizontal direction.

Description

Can accomodate handle subassembly and test machine butt joint subassembly

Technical Field

The present disclosure relates to a foldable handle assembly, and more particularly, to a foldable handle assembly for a testing machine.

Background

Generally, a semiconductor tester has a docking assembly, which may be provided with a connection interface of a circuit board or a Ring probe holder (Ring power), and a frame and a handle are provided around the docking assembly. The handle needs to have a certain length to provide enough lever to conveniently push the tester or butt the tester and the client machine.

However, certification of semiconductor devices is limited by the protrusion of the machine table to meet safety regulations for operators. The overlong handle protrudes out of the testing machine, so that the operating space of an operator is easily influenced, and other people passing through the testing machine can be injured.

Disclosure of Invention

One aspect of the present invention is a stowable handle assembly.

According to one embodiment of the present invention, a stowable handle assembly includes a base, a spring, a handle, at least one magnet, and a top cover. The base has a first connecting portion. The first connecting part is provided with a groove and a first positioning shaft positioned in the groove. The spring is sleeved on the first positioning shaft. One end of the handle has a second connecting portion. The bottom surface of the second connecting part is provided with a convex part. The convex part is coupled with the concave part. The convex part is provided with a first positioning hole. The first positioning shaft is inserted into the first positioning hole. The top surface of the second connecting part is provided with at least one second positioning hole and a plurality of third positioning holes. The magnet is located in the second positioning hole. The second connecting portion of handle is located between the first connecting portion of upper cover and base. The bottom surface of the upper cover is provided with a plurality of second positioning shafts and a plurality of screws. The second positioning shaft is selectively coupled with part of the positioning holes of the third positioning hole. The magnet selectively attracts one of the screws.

In an embodiment of the present invention, the base further has a sidewall. The side wall is adjacent to the first connecting part, and the side wall of the base is provided with a second connecting part with an arc surface facing the handle.

In an embodiment of the invention, the sidewall of the base has two abutting planes, and the two abutting planes are respectively located at two side edges of the arc surface.

In an embodiment of the invention, the second connecting portion of the handle has a first corner close to the sidewall, and the first corner has an arc surface.

In an embodiment of the present invention, the second connecting portion of the handle further has two second corners adjacent to the first corner.

In an embodiment of the invention, a corner of the first connecting portion, which is far away from the side wall, has an arc surface.

In one embodiment of the present invention, the handle has a body portion adjacent to the second connecting portion. A gap is formed between the body part and the convex part of the second connecting part and used for accommodating the first connecting part surrounding the part of the groove.

In an embodiment of the present invention, a thickness of the second connecting portion of the handle is smaller than a distance between a bottom surface of the recess of the first connecting portion and a bottom surface of the upper cover.

In an embodiment of the invention, the number of the third positioning holes is three, the number of the second positioning shafts is two, the number of the magnets is two, and the number of the second positioning holes is two. The two magnets are respectively positioned in the two second positioning holes and are opposite to each other. One of the two magnets is located between two of the three third positioning holes. The number of the screws is four, the four screws are opposite to each other in pairs, and two of the four screws are respectively aligned to the two magnets.

One aspect of the present invention is a tester docking assembly.

According to one embodiment of the present invention, a testing machine docking assembly includes a frame and a stowable handle assembly. The frame is positioned on the testing machine. The foldable handle assembly is positioned at the corner of the frame body. The retractable handle assembly comprises a base, a spring, a handle, at least one magnet and an upper cover. The base has a first connecting portion. The first connecting part is provided with a groove and a first positioning shaft positioned in the groove. The spring is sleeved on the first positioning shaft. One end of the handle has a second connecting portion. The bottom surface of the second connecting part is provided with a convex part. The convex part is coupled with the concave part. The convex part is provided with a first positioning hole. The first positioning shaft is inserted into the first positioning hole. The top surface of the second connecting part is provided with at least one second positioning hole and a plurality of third positioning holes. The magnet is located in the second positioning hole. The second connecting portion of handle is located between the first connecting portion of upper cover and base. The bottom surface of the upper cover is provided with a plurality of second positioning shafts and a plurality of screws. The second positioning shaft is selectively coupled with part of the positioning holes of the third positioning hole. The magnet selectively attracts one of the screws.

In the above embodiment of the present invention, the spring is fitted over the first positioning shaft of the base, and the first positioning shaft is inserted into the first positioning hole of the handle, so that the handle is continuously urged upward by the spring to abut against the upper cover. When the handle is not pressed down, the second positioning shaft of the upper cover can be coupled with part of the third positioning holes of the handle, so that the handle is prevented from being rotated due to the error touch of external force in the horizontal direction. In this state (i.e., the open state), the magnet in the handle can attract the screw in the upper cover, which can provide good positioning feel and stability. When the handle is pressed down, the spring is compressed, so that the second positioning shaft of the upper cover can be separated from the third positioning hole of the handle. The handle may then be rotated with further horizontal force to pivot the handle to the stowed position. At this time, the handle can be released, the handle can be pressed by the upward force of the spring to abut against the upper cover again, the second positioning shaft of the upper cover is coupled with part of the third positioning hole of the handle, and the magnet in the handle can absorb the screw in the upper cover, which is beneficial to the positioning hand feeling and the stability. In this state (i.e., the storage state), the handle can be prevented from being erroneously rotated by an external force in the horizontal direction.

Drawings

FIG. 1 is a perspective view of a tester with a docking assembly mounted to a tester, with a retractable handle assembly in an open position, according to one embodiment of the invention;

FIG. 2 illustrates an exploded view of the stowable handle assembly of FIG. 1;

FIG. 3 illustrates an exploded view of the stowable handle assembly of FIG. 2 from below;

FIG. 4 illustrates a perspective view of the stowable handle assembly of FIG. 1;

FIG. 5 is a perspective view of the handle of FIG. 4 after being depressed by a vertical force;

FIG. 6 depicts a perspective view of the stowable handle assembly of FIG. 5 from another side;

FIG. 7 is a perspective view of the handle of FIG. 5 after being rotated by further applying a horizontal force;

FIG. 8 is a perspective view of the handle of FIG. 7 with the external force removed;

FIG. 9 is a perspective view of a testing machine with a docking assembly mounted to the testing machine, the handle assembly being received in a stowed position, according to one embodiment of the present invention.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a thorough understanding of various embodiments of the invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, for the sake of simplicity, some conventional structures and elements are shown in the drawings in a simple schematic manner.

Fig. 1 is a perspective view of a tester docking assembly 200 mounted on a tester 210, with a retractable handle assembly 100 in an open position, according to an embodiment of the present invention. The tester docking assembly 200 includes a frame 205 and a receivable handle assembly 100. The frame 205 is located on the testing machine 210, and the foldable handle assembly 100 is located at a corner of the frame 205. The tester 210 may be a semiconductor device tester 210, but is not intended to limit the present invention. In fig. 1, the retractable handle assembly 100 is in an open position to provide sufficient leverage for a user to push the tester 210 or for automated equipment to lift the tester 210 into docking with a customer end station. The retractable handle assembly 100 can not only be switched from the open state to the retracted state to meet the safety standards of the semiconductor device for the operator, but also prevent the retractable handle assembly 100 from being accidentally touched by external force in the horizontal direction and rotating. In the following description, the structural design of the stowable handle assembly 100 and the various steps of transitioning from the open state to the stowed state will be described.

Fig. 2 illustrates an exploded view of the stowable handle assembly 100 of fig. 1. Fig. 3 illustrates an exploded view of the stowable handle assembly 100 of fig. 2 from below. Referring to fig. 2 and 3, the foldable handle assembly 100 includes a base 110, a spring 120, a handle 130, at least one magnet 140, and a cover 150. The base 110 has a sidewall 111 and a first connecting portion 114 adjacent to the sidewall 111. The first connecting portion 114 has a groove 115 and a first positioning shaft 116 located in the groove 115. The spring 120 is sleeved on the first positioning shaft 116. One end of the handle 130 near the base 110 has a second connecting portion 131. The bottom surface of the second connection portion 131 has a convex portion 132. The protrusion 132 of the second connection portion 131 may be coupled with the groove 115 of the first connection portion 114. In addition, the protrusion 132 of the handle 130 has a first positioning hole 133, and the first positioning shaft 116 of the base 110 is inserted into the first positioning hole 133 of the handle 130. After assembly, the handle 130 is continuously forced upward by the spring 120.

The top surface of the second connecting portion 131 of the handle 130 has at least one second positioning hole 134 and a plurality of

third positioning holes

135a, 135b, 135 c. The magnet 140 is located in the second positioning hole 134 of the handle 130. In this embodiment, the number of the magnets 140 and the number of the second positioning holes 134 are two, and the two magnets 140 are respectively located in the two second positioning holes 134 and are opposite to each other. The second connection portion 131 of the handle 130 is located between the upper cover 150 and the first connection portion 114 of the base 110. In addition, the bottom surface of the upper cover 150 has a plurality of second positioning shafts 152 and a plurality of

screws

154a, 154b, 154c, 154 d. After assembly, the second positioning shaft 152 is selectively coupled to a portion of the positioning holes of the

third positioning holes

135a, 135b, 135c, and the magnet 140 selectively attracts one of the

screws

154a, 154b, 154c, 154d to position the handle 130.

In the present embodiment, the number of the second positioning shafts 152 is two, the number of the

screws

154a, 154b, 154c, 154d is four, and the number of the

third positioning holes

135a, 135b, 135c is three, but the invention is not limited thereto. One of the two magnets 140 is located between the

third positioning holes

135a and 135 b. Four

screws

154a, 154b, 154c, 154d are opposite each other two by two, e.g.,

screws

154a, 154b are opposite each other and

screws

154c, 154d are opposite each other.

Fig. 4 illustrates a perspective view of the stowable handle assembly 100 of fig. 1. Referring to fig. 2 to 4, when the foldable handle assembly 100 is in the open state, the spring 120 is sleeved on the first positioning shaft 116 of the base 110, and the first positioning shaft 116 is inserted into the first positioning hole 133 of the handle 130, so that the handle 130 is continuously forced by the spring 120 to abut against the upper cover 150. When the handle 130 is not pressed, the two second positioning shafts 152 of the upper cover 150 can be coupled to the

third positioning holes

135a and 135b of the handle 130, respectively, so as to prevent the handle 130 from being rotated due to an external force in a horizontal direction. In this state (i.e., the opened state), the two magnets 140 in the handle 130 are aligned with the

screws

154a and 154b in the top cover 150, so that the two magnets 140 can respectively attract the

screws

154a and 154b, thereby providing a good positioning feel and stability.

Referring to fig. 2 and fig. 4, in the present embodiment, the sidewall 111 of the base 110 has an arc surface 112 and two abutting

planes

113a and 113 b. The arc surface 112 faces the second connecting portion 131 of the handle 130, and the two abutting

planes

113a and 113b are respectively located at two side edges of the arc surface 112. In addition, the second connecting portion 131 of the handle 130 has a first corner 136 near the sidewall 111 and two

second corners

138a and 138b adjacent to the first corner 136. When the handle 130 is in the state shown in fig. 4, the abutting plane 113a of the sidewall 111 can serve as a retaining wall to abut against the second corner 138a of the second connecting portion 131, thereby improving the positioning effect.

Fig. 5 is a perspective view illustrating the handle 130 of fig. 4 pressed downward by a force in a vertical direction D1. Referring to fig. 4 and 5, when the handle 130 is pressed downward, the spring 120 (see fig. 2) is compressed, so that the two second positioning shafts 152 (see fig. 3) of the upper cover 150 can be disengaged from the

third positioning holes

135a and 135b (see fig. 2) of the handle 130, respectively. Then, the handle 130 may be further rotated with a force in the horizontal direction D2 to pivot the handle 130 to the storage position. That is, the user must first press the handle 130 in the direction D1 to rotate the handle 130 in the direction D2, so as to prevent the handle 130 from being rotated by an external force.

In the present embodiment, the handle 130 has a body portion 139, and the body portion 139 abuts the second connecting portion 131. The body portion 139 has a gap d1 (see fig. 3) with the projection 132 of the second connection portion 131. The thickness d2 (see fig. 3) of the second connecting portion 131 of the handle 130 is less than the distance d3 between the bottom surface of the groove 115 of the first connecting portion 114 and the bottom surface of the upper cover 150. With the above-described design, when the handle 130 is pressed downward, the handle 130 can compress the spring 120 (see fig. 2) to move downward, the gap d1 can receive the first connection portion 114 around a portion of the groove 115, and the protrusion 132 can enter the groove 115, so that the handle 130 is disengaged from the second positioning shaft 152 of the upper cover 150.

Fig. 6 illustrates a perspective view of the stowable handle assembly 100 of fig. 5 from the other side. Referring to fig. 2 and 6, the first corner 136 of the second connecting portion 131 of the handle 130 has an arc surface 137. The side wall 111 of the base 110 has an arc 112. The first connecting portion 114 of the base 110 has an arc surface 117 at a corner away from the sidewall 111. By the design of the curved surface 137, the curved surface 112 and the curved surface 117, the handle 130 can pivot in the direction D2 above the first connection portion 114 of the base 110. For example, when the handle 130 is forced by the direction D2, the arc 137 of the handle 130 can move along the arc 112 of the base 110, and the gap D1 (see fig. 3) of the handle 130 can allow the arc 117 to pass through until the second corner 138b of the second connecting portion 131 of the handle 130 contacts the abutting plane 113b of the base 110, such as the state of the handle 130 in fig. 7. In the present embodiment, the abutting plane 113b of the base 110 can serve as a retaining wall to abut against the second corner 138b of the second connecting portion 131, so as to enhance the positioning effect.

Fig. 7 is a perspective view illustrating the handle 130 of fig. 5 rotated by further applying a force in the horizontal direction D2. When the handle 130 of fig. 5 is pivoted to the state of fig. 7 by the force in the horizontal direction D2, the two second positioning shafts 152 of the upper cover 150 can be aligned with the

third positioning holes

135b, 135c (see fig. 2) of the handle 130, respectively, and the two magnets 140 of the handle 130 can be aligned with the screws 154c, 154D (see fig. 3) of the upper cover 150, respectively.

Fig. 8 is a perspective view illustrating the handle 130 of fig. 7 after the external force is removed. Referring to fig. 7 and 8, when the handle 130 is rotated to the state shown in fig. 7, the handle 130 is released, the handle 130 is moved in the direction D3 by the upward force of the spring 120 (see fig. 2), and further contacts the upper cover 150, so that the two second positioning shafts 152 of the upper cover 150 are respectively coupled to the third positioning holes 135b and 135c (see fig. 2) of the handle 130, and the two magnets 140 in the handle 130 can respectively attract the screws 154c and 154D (see fig. 3) in the upper cover 150, which is beneficial to the positioning feel and stability. In this state (i.e., the storage state), the handle 130 can be prevented from being erroneously rotated by an external force in the horizontal direction.

Fig. 9 is a perspective view of the tester docking assembly 200 mounted on the tester 210 according to an embodiment of the present invention, and the receivable handle assembly 100 is in a received state. When the retractable handle assembly 100 of fig. 1 is converted from the opened state of fig. 4 to the retracted state of fig. 8 through the states of fig. 5 and 7, the structure of the retractable handle assembly 100 of fig. 9 is obtained. It should be understood that the stowable handle assembly 100 of fig. 9 can also be transformed from the open state of fig. 8 to the stowed state of fig. 4 via the states of fig. 7 and 5, resulting in the structure of the stowable handle assembly 100 of fig. 1.

Although the present invention has been described with reference to the above embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention.

Claims

1. A stowable handle assembly, comprising:

the base is provided with a first connecting part, and the first connecting part is provided with a groove and a first positioning shaft positioned in the groove;

a spring, which is sleeved on the first positioning shaft;

a handle, one end of which is provided with a second connecting part, the bottom surface of the second connecting part is provided with a convex part, the convex part is coupled with the groove, the convex part is provided with a first positioning hole, the first positioning shaft is inserted into the first positioning hole, and the top surface of the second connecting part is provided with at least one second positioning hole and a plurality of third positioning holes;

at least one magnet positioned in the second positioning hole; and

the second connecting part of the handle is positioned between the upper cover and the first connecting part of the base, the bottom surface of the upper cover is provided with a plurality of second positioning shafts and a plurality of screws, the plurality of second positioning shafts are selectively coupled with part of the plurality of third positioning holes, and the magnet selectively adsorbs one of the plurality of screws.

2. The stowable handle assembly of claim 1, wherein the base further has a side wall, the side wall being adjacent the first connecting portion, and the side wall having an arcuate surface facing the second connecting portion of the handle.

3. The stowable handle assembly of claim 2, wherein the side wall of the base has two abutment planes, the abutment planes being located on two side edges of the curved surface, respectively.

4. The stowable handle assembly of claim 2, wherein the second connecting portion of the handle has a first corner proximate the side wall, and the first corner has an arcuate surface.

5. The stowable handle assembly of claim 4, wherein said second connecting portion of said handle further has two second corners adjacent said first corner.

6. The stowable handle assembly of claim 2, wherein the corner of the first connection portion remote from the side wall has an arcuate surface.

7. The stowable handle assembly of claim 1, wherein the handle has a body portion adjacent the second connecting portion, the body portion and the projection of the second connecting portion having a gap therebetween for receiving the first connecting portion around a portion of the recess.

8. The stowable handle assembly of claim 1, wherein the thickness of the second connecting portion of the handle is less than the distance between the bottom surface of the recess of the first connecting portion and the bottom surface of the top cover.

9. The stowable handle assembly of claim 1, wherein the number of the third positioning holes is three, the number of the second positioning shafts is two, the number of the magnets is two, the number of the second positioning holes is two, the two magnets are respectively located in the two second positioning holes and are opposite to each other, one of the two magnets is located between the two of the third positioning holes, the number of the screws is four, the four screws are opposite to each other two by two, and two of the four screws are respectively aligned with the two magnets.

10. A test machine docking assembly, comprising:

a frame body located on a testing machine; and

a stowable handle assembly located at a corner of the frame, the stowable handle assembly comprising:

a spring, which is sleeved on the first positioning shaft;

at least one magnet positioned in the second positioning hole; and