TWM494457U - Height adjusting assembly - Google Patents

Abstract

A height adjusting assembly includes a threaded post and a nut. The threaded post includes a first end portion, a second end portion and a bend portion. The bend portion includes at least one elastic bend section, and the elastic bend section is connected between the first end portion and the second end portion. The nut is screwed at the threaded post adapted to be rotated to move to the first end portion or the bend portion. When the nut is located at the first end portion, the elastic bend section is in a bending state and the threaded post has a first length. When the nut is located at the bend portion, the nut resists elastic force of the elastic bend section and limits the elastic bend section in a stretching state, and the threaded post has a second length larger than the first length.

Description

Height adjustment component

The novel creation is related to an adjustment assembly, and in particular to a height adjustment assembly.

Printed Circuit Board Assembly (PCBA) is a component commonly used in electronic devices. In the manufacturing process, the printed circuit board needs to be soldered to the electronic components through a reflow process, and the thermal expansion coefficient (CTE) of each material in the composite material of the printed circuit board is different, so the reflow process is easy to make the printed circuit board. Warp produces warp (Warp).

According to customer requirements, product size and product shipping methods, printed circuit boards need to be integrated into various load-bearing structures. For example, a printed circuit board for a computer needs to be coupled to a casing of a computer mainframe, and the casing and the printed circuit board are mostly locked by screws. However, if the printed circuit board has the above-described warpage, the printed circuit board that is locked to the outer casing and becomes flat may be stressed, causing breakage of the solder joint thereon to lower the product yield.

The novel creation provides a height adjustment assembly that prevents stress on the printed circuit board from being attached to the outer casing and causing breakage of the solder joint thereon.

The height adjustment assembly of the present invention includes a threaded post and a nut. The threaded post includes a first end, a second end, and a bend. The bent portion includes at least one elastic bending portion connected between the first end portion and the second end portion. The nut is screwed to the threaded post. When the nut is at the first end, the elastic bending section is in a bent state and the threaded post has a first length. When the nut is located at the bent portion, the nut resists the elastic force of the elastic bending portion to limit the elastic bending portion to a straight state, and the threaded post has a second length greater than the first length.

In an embodiment of the present invention, the first end portion is connected to a connecting position of a first object, and the second end portion is connected to a second object. When the bent portion is in a bent state, the connecting position is The first object has a first height relative to the second object, and the connecting position has a second height greater than the first height relative to the second object when the bent portion is in the extended state.

In an embodiment of the present invention, the height adjustment assembly includes a lock attachment, wherein the lock attachment locks the first object to the threaded post.

In an embodiment of the present invention, the lock attachment has a stop portion, and when the lock attachment is locked to the first end, the first object is limited between the stop portion and the first end portion.

In an embodiment of the present invention, the threaded post is a hollow structure and has a fastener in the hollow structure, and the fastener is screwed to the lock attachment. When the nut is at the first end, the inner diameter of the hollow structure Tapering from the bent portion to the first end, and tight The firmware moves from the bent portion toward the first end and abuts against the inner wall of the hollow structure as the lock attachment rotates to prevent the nut from moving toward the bent portion.

In an embodiment of the present invention, the fastener has a threaded hole, and the lock attachment is screwed to the screw hole.

In an embodiment of the present invention, the height adjustment assembly includes a body, wherein the seat body is disposed in the hollow structure and connected to the second end portion, the seat body has a sliding hole, and the fastener has a sliding pin and slides The pin is disposed in the slide hole, and the interference of the slide pin and the slide hole prevents the fastener from rotating with the lock attachment.

In an embodiment of the present invention, the fastener moves from the bent portion to the first end in one direction, and the outer diameter of the fastener is gradually decreased in the direction.

In an embodiment of the present invention, the threaded post is a hollow structure and has a fastener in the hollow structure, and the fastener is screwed to the lock attachment. When the nut is located at the bent portion, the fastener is located on the nut. And abutting against the inner wall of the hollow structure to prevent the nut from moving toward the first end or the second end.

In an embodiment of the present invention, when the nut is rotated to move from the bent portion to the first end portion, the elastic bending portion is released to return to the bent state.

Based on the above, the height adjustment assembly of the present invention can adjust the length of the threaded column by bending the threaded column along the threaded column to make the bent portion of the threaded column into a bent state or a straightened state. When the user wants to connect the plurality of connection positions of the printed circuit board to the outer casing through the plurality of height adjustment components, the height adjustment components for supporting between the outer casing and the printed circuit board can be warped according to the printed circuit board. The situation is adjusted to have different lengths respectively to correspondingly make these connection positions of the printed circuit board There are different heights for the outer casings. Accordingly, the warped printed circuit board is not flattened by being attached to the outer casing, and the stress on the printed circuit board is prevented from being attached to the outer casing, thereby causing breakage of the solder joint thereon, thereby improving the product of the printed circuit board. rate.

The above described features and advantages of the present invention will become more apparent and understood from the following description.

50‧‧‧First object

52, 54, 56‧‧‧ Connection location

60, 60’‧‧‧ second object

62‧‧‧ lower

64‧‧‧ upper

66‧‧‧elastic buffer

100, 200, 300‧‧‧ height adjustment components

110, 210, 310‧‧‧ threaded columns

112, 212, 312‧‧‧ first end

112a, 212a, 342‧‧ ‧ screw holes

114, 214, 314‧‧‧ second end

116, 216, 316‧‧‧ bends

116a, 216a, 316a‧‧‧Flexible bends

120, 220, 320‧‧‧ nuts

130, 230, 330‧‧‧ lock accessories

132, 232, 332‧‧ ‧ stop

340‧‧‧fasteners

340a‧‧‧ bearing surface

344‧‧‧Slide

350‧‧‧ body

352‧‧‧Slide hole

D‧‧‧ Direction

H1, H2‧‧‧ height

L1, L2, L3‧‧‧ length

Θ1‧‧‧ tilt angle

1 is a side elevational view of a height adjustment assembly of an embodiment of the present invention.

2 is a view showing the bent portion of the height adjusting assembly of FIG. 1 in a straight state.

3 illustrates the assembly of a printed circuit board using the height adjustment assembly of FIG. 1.

4 is a side elevational view of another embodiment of the height adjustment assembly of the present invention.

FIG. 5 illustrates the bent portion of the height adjustment assembly of FIG. 4 in a straightened state.

6A-6C are assembly flow diagrams of a height adjustment assembly of another embodiment of the present invention.

Figure 7 is a cross-sectional view of the fastener and seat of Figure 6A.

Figure 8 illustrates the nut of Figure 6A in a bent portion of the threaded post.

Figure 9 illustrates the second item of Figure 3 changed to another form.

1 is a side elevational view of a height adjustment assembly of an embodiment of the present invention. 2 is a view showing the bent portion of the height adjusting assembly of FIG. 1 in a straight state. For the schema It is clear that the lock attachment 130 is illustrated as being separated from the threaded post 120, and the screw hole 112 is partially cut away. Referring to FIG. 1 and FIG. 2 , the height adjustment assembly 100 of the present embodiment includes a threaded post 110 and a nut 120 . The threaded post 110 is, for example, a hollow structure of metal or plastic material and includes a first end portion 112, a second end portion 114 and a bent portion 116. The bent portion 116 includes at least one elastic bending portion 116a (shown as two), and each elastic bending portion 116a is coupled between the first end portion 112 and the second end portion 114. The nut 120 is screwed to the threaded post 110.

The user can rotate the nut 120 to move the nut 120 to the first end portion 112 of the threaded post 110 as shown in FIG. 1 , and the elastic bending segments 116 a are not in contact with the nut 120 and are in a bent state. And the threaded post 110 has a first length L1. The user can rotate the nut 120 to move the nut 120 to the bent portion 116 of the threaded post 110 as shown in FIG. 2, and the nut 120 resists the elastic force of the elastic bending portion 116a to bend each elastic portion. 116a is constrained to a straightened state, and the threaded post 110 has a second length L2 that is greater than the first length L1. Further, when the nut 120 is rotated to move from the bent portion 116 to the first end portion 112, each of the elastic bending portions 116a is released and automatically returns to the bent state shown in FIG. 1 by its elastic restoring ability.

In the present embodiment, the bent portion 116 of the threaded post 110 has a length L3 in the straightened state shown in FIG. 2, and the elastically bent portion 116a has a tilt angle θ1 when the bent portion 116 is in a bent state. According to the trigonometric function theorem, the length L1 of the threaded post 110 in the bent state shown in FIG. 1 and the length L2 of the threaded post 110 in the straightened state shown in FIG. 2 have a difference of L3 (1-cos θ1), This is the maximum adjustment of the length of the threaded post 110. The actual values of the lengths L1, L2, L3 and the inclination angle θ1 can be as needed The change is made so that the threaded column 110 has different lengths and lengths of maximum adjustment, which is not limited by the novel creation.

3 illustrates the assembly of a printed circuit board using the height adjustment assembly of FIG. 1. The user can assemble the first object 50 to the second object 60 by using a plurality of height adjustment components 100 (three shown in FIG. 3) as shown in FIG. 3, wherein the first object 50 and the second object 60 is, for example, a printed circuit board for a computer and a corresponding main body casing. In particular, the second end portion 114 of the threaded post 110 of each height adjustment assembly 100 is affixed to the second article 60, such as by a screw or other suitable means. Before assembling the first object 50 to the height adjustment assembly 100, the plurality of connection positions of the first object 50 may be measured (three connection positions 52, 54, 56 are illustrated in FIG. 3) due to the first object 50. The height difference caused by the warping is adjusted to adjust the bent portion 116 of the threaded post 110 of each height adjusting assembly 100 to the bent state shown in FIG. 1 or the straightened state shown in FIG. Then, as shown in FIG. 3, the connecting positions 52, 54, 56 of the first object 50 are respectively attached to the first end portions 112 of the threaded posts 110 of the height adjusting assemblies 100, and the first objects 50 and the first objects are completed. Assembly of two objects 60.

When the bent portion 116 of the threaded post 110 of the height adjusting assembly 100 is in a bent state as shown in FIG. 1, the corresponding connecting position 54 of the first object 50 has a first position relative to the second object 60 as shown in FIG. Height H1. When the bent portion 116 of the threaded post 110 of the height adjustment assembly 100 is in the extended state as shown in FIG. 2, the corresponding connection positions 52, 56 of the first object 50 have a greater than the first height H1 with respect to the second object 60. A second height H2.

As described above, each height adjustment assembly 100 can be threaded by the nut 120 The movement of the column 110 causes the bent portion 116 of the threaded post 110 to be in a bent state or a straightened state to adjust the length of the threaded post 110. When the user wants to connect the connection positions 52, 54, 56 of the first object 50 to the second object 60 through the height adjustment components 100, respectively, for supporting between the second object 60 and the first object 50. Each height adjustment assembly 100 can be adjusted to have different lengths according to the warpage of the first object 50, so that the connection positions 52, 54, 56 of the first object 50 have different heights with respect to the second object 60, respectively. . Accordingly, the warped first object 50 (printed circuit board) is not flattened by being attached to the second object 60, and the stress caused by the first object 50 when it is locked to the second object 60 can be prevented from being caused thereon. The solder joint breaks, thereby increasing the product yield of the first object 50.

In other embodiments, the nut 120 of the height adjustment assembly 100 can also be moved to a suitable position between the position shown in FIG. 1 and the position shown in FIG. 2 to adjust the stud 110 to have a first position. An appropriate length between the length L1 and the second length L2. In addition, in other embodiments, the first object 50 and the second object 60 may be respectively used for a printed circuit board of a computer and a corresponding main body casing, and may be other suitable types of components, respectively. limit.

Referring to FIGS. 1 through 3 , each height adjustment assembly 100 includes a lock attachment 130 for locking the first article 50 to the first end 112 of the threaded post 110 as shown in FIG. 3 . In detail, the first end portion 112 has a screw hole 112a, and each of the lock attachments 130 has a stopper portion 132. When the lock attachment 130 is screwed to the screw hole 112a of the first end portion 112, the first object 50 is limited to The stop 132 of the lock attachment 130 is between the first end 112 of the threaded post 110. In other embodiments, other A suitable member secures the first article 50 to the first end 112 of each threaded post 110, which is not limited by the present authoring.

4 is a side elevational view of another embodiment of the height adjustment assembly of the present invention. FIG. 5 illustrates the bent portion of the height adjustment assembly of FIG. 4 in a straightened state. To make the drawings clearer, FIGS. 4 and 5 illustrate the lock attachment 230 as being separated from the threaded post 120. In the height adjustment assembly 200 shown in FIGS. 4 and 5, the threaded post 210, the first end portion 212, the screw hole 212a, the second end portion 214, the bent portion 216, the nut 220, the lock attachment 230, and the stop The portion 232 is configured and operated in a manner similar to the threaded post 110 of FIG. 1 and FIG. 2, the first end portion 112, the screw hole 112a, the second end portion 114, the bent portion 116, the nut 120, the lock attachment 130, and the stop The configuration and mode of operation of the portion 132 will not be described herein. The difference between the height adjustment assembly 200 and the height adjustment assembly 100 is that the bending portion 116 of the height adjustment assembly 100 is divided into two elastic bending portions 116a, and the bending portion 216 of the height adjustment assembly 200 is divided into four. One elastic bending section 216a (only three elastic bending sections 216a are illustrated in FIGS. 4 and 5 due to the viewing angle relationship). In other embodiments, the bend can be divided into other suitable numbers of elastic bends, and the present invention does not limit this.

6A-6C are assembly flow diagrams of a height adjustment assembly of another embodiment of the present invention. In order to make the drawings clearer, FIGS. 6A to 6C are partially cut away. In the height adjustment assembly 300 of FIGS. 6A-6C, the threaded post 310, the first end portion 312, the second end portion 314, the bent portion 316, the elastic bending portion 316a, the nut 320, the lock attachment 330, the stop The configuration and operation of the portion 332 is similar to the threaded post 110 of FIG. 1 to FIG. 3, the first end portion 112, the second end portion 114, the bent portion 116, The elastic bending section 116a, the nut 120, the lock attachment 130, and the stop portion 132 are arranged and operated, and the threaded post 310 has a hollow structure like the threaded post 110. The difference between the height adjustment assembly 300 and the height adjustment assembly 100 is that the threaded post 310 of the height adjustment assembly 300 has a fastener 340 therein, and the fastener 340 is adapted to be screwed to the lock attachment 330 as shown in FIGS. 6A-6C. To avoid loosening of the nut 320, the details are as follows.

When the nut 320 is located at the first end 312 of the threaded post 310 as shown in FIGS. 6A-6C, the inner diameter of the threaded post 310 (hollow structure) gradually decreases from the bent portion 316 to the first end portion 312 as shown. Shrink. The fastener 340 has a screw hole 342. When the user wants to assemble the first object 50 to the second object 60, the lock attachment 330 can be rotated to screw the screw to the fastener 340 as shown in FIGS. 6A-6B. The aperture 342 is configured to thread the fastener 340 to the lock attachment 330 and the first article 50 abuts between the stop 332 and the first end 312 of the threaded post 310. Then, the user can continue to rotate the lock attachment 330. At this time, the lock attachment 330 against the first object 50 can no longer move downward, so the fastener 340 will follow the lock attachment 330 as shown in FIG. 6B to FIG. 6C. Rotating from the bent portion 316 to the first end portion 312 in the direction D to the portion of the threaded post 310 (hollow structure) having a smaller inner diameter to abut against the inner wall of the threaded post 310 (hollow structure) to block the snail The cap 320 moves against the elastic force of the bent portion 316 toward the bent portion 316 to prevent the length of the threaded post 310 from unintendedly changing.

Figure 7 is a cross-sectional view of the fastener and seat of Figure 6A. Referring to FIGS. 6A-7, the height adjustment assembly 300 of the present embodiment includes a body 350. The seat body 350 is disposed in the threaded column 310 (hollow structure) and is connected to the second end portion 314. The seat body 350 has a sliding hole 352. The fastener 340 has a sliding pin 344, a sliding hole 352 and a sliding pin 344. For example, there is a corresponding non-circular cross section. The slide pin 344 is slidably disposed in the slide hole 352 in the direction D, and the interference of the slide pin 344 with the slide hole 352 prevents the fastener 340 from rotating with the lock attachment 330. Accordingly, the fastener 340 can smoothly move up in the direction D as the lock attachment 330 rotates as shown in FIGS. 6B to 6C.

In the present embodiment, the fastener 340 abuts against the inner wall of the threaded post 310 with its bearing surface 340a. Since the inner diameter of the threaded post 310 tapers from the bent portion 316 toward the first end portion 312 (i.e., tapers in the direction D) as described above, the outer diameter of the fastener 340 at the bearing surface 340a can be designed as an edge. The direction D is gradually reduced, so that the fastener 340 and the inner wall of the threaded post 310 have a larger contact area in the state shown in FIG. 6C to increase the fastening force between the fastener 340 and the threaded post 310.

Figure 8 illustrates the nut of Figure 6A in a bent portion of the threaded post. When the nut 320 is located at the bent portion 316 of the threaded post 310 as shown in FIG. 8, the fastener 340 is located on the nut 320 and abuts against the inner wall of the threaded post 310 (hollow structure), so that the bent portion 316 and the nut The 320 are fastened to each other to prevent the nut 320 from moving toward the first end 312 or the second end 314, avoiding unintended changes in the length of the threaded post 310.

Figure 9 illustrates the second item of Figure 3 changed to another form. In the embodiment shown in FIG. 9 , the configuration and function of the first object 50 and each height adjusting component 100 are the same as those shown in FIG. 3 , and details are not described herein again. The embodiment of Figure 9 differs from the embodiment of Figure 3 in that the second article 60' is, for example, a carrier and includes a lower portion 62, an upper portion 64 and a plurality of resilient bumpers 66. These elastic cushioning members 66 are, for example, springs and are evenly distributed between the lower portion 62 and the upper portion 64 to achieve a cushioning shockproof effect.

In summary, the height adjustment component of the novel creation can be screwed by a nut The movement of the studs causes the bent portion of the threaded column to be in a bent state or a straightened state to adjust the length of the threaded post. When the user wants to connect the plurality of connection positions of the printed circuit board to the outer casing through the plurality of height adjustment components, the height adjustment components for supporting between the outer casing and the printed circuit board can be warped according to the printed circuit board. The situation is adjusted to have different lengths, respectively, in order to correspondingly have different connection heights of the printed circuit board relative to the housing. Accordingly, the warped printed circuit board is not flattened by being attached to the outer casing, and the stress on the printed circuit board is prevented from being attached to the outer casing, thereby causing breakage of the solder joint thereon, thereby improving the product of the printed circuit board. rate. In addition, the threaded post can have fasteners to prevent loosening of the nut by the fastener against the inner wall of the threaded post, avoiding unintended changes in the length of the threaded post.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the novel creation, and any person skilled in the art can make some changes without departing from the spirit and scope of the novel creation. Retouching, the scope of protection of this new creation is subject to the definition of the scope of the patent application attached.

50‧‧‧First object

52, 54, 56‧‧‧ Connection location

60‧‧‧Second objects

100‧‧‧ Height adjustment components

110‧‧‧ threaded column

112‧‧‧First end

114‧‧‧second end

116‧‧‧Bend

116a‧‧‧Flexible bend

120‧‧‧ nuts

130‧‧‧Lock attachment

H1, H2‧‧‧ height

Claims (10)

A height adjustment assembly comprising: a threaded post comprising a first end portion, a second end portion and a bent portion, wherein the bent portion comprises at least one elastic bending portion, the elastic bending portion being coupled to the a first end portion and the second end portion; and a nut screwed to the threaded post and adapted to rotate to move to the first end portion or the bent portion, wherein the nut is located at the first end The elastic bending section is in a bent state and the threaded post has a first length. When the nut is located at the bending portion, the nut resists the elastic force of the elastic bending section. The elastic bending section is limited to a straightened state, and the threaded post has a second length greater than the first length. The height adjustment assembly of claim 1, wherein the first end is connected to a connection position of a first object, and the second end is connected to a second object, wherein the bending portion is In the bent state, the connecting position has a first height relative to the second object, and when the bent portion is in the straightened state, the connecting position has a greater than the first height relative to the second object Two heights. The height adjustment assembly of claim 2, comprising a lock attachment, wherein the lock attachment locks the first object to the threaded post. The height adjustment assembly of claim 3, wherein the lock attachment has a stop portion, and the first object is limited to the stop portion when the lock attachment is locked to the first end portion Between the first ends. The height adjustment assembly of claim 3, wherein the threaded post is a hollow structure and the hollow structure has a fastener therein, the fastener is screwed to The lock attachment, when the nut is located at the first end, the inner diameter of the hollow structure tapers from the bent portion toward the first end, and the fastener is rotated from the lock attachment The bent portion moves toward the first end and abuts against an inner wall of the hollow structure to prevent the nut from moving toward the bent portion. The height adjustment assembly of claim 5, wherein the fastener has a screw hole, and the lock attachment is screwed to the screw hole. The height adjustment assembly of claim 5, comprising a body, wherein the seat body is disposed in the hollow structure and connected to the second end portion, the seat body has a sliding hole, and the fastener has a a sliding pin, the sliding pin is slidably disposed on the sliding hole, and the interference of the sliding pin with the sliding hole prevents the fastener from rotating with the locking accessory. The height adjustment assembly of claim 5, wherein the fastener moves from the bent portion to the first end in a direction, and an outer diameter of the fastener is gradually decreased in the direction. The height adjustment assembly of claim 3, wherein the threaded post is a hollow structure and the hollow structure has a fastener therein, the fastener is screwed to the lock attachment, and the nut is located at the bend And the fastener is located on the nut and abuts against the inner wall of the hollow structure to prevent the nut from moving toward the first end or the second end. The height adjustment assembly of claim 1, wherein the elastic bending section is released to return to a bent state when the nut is rotated to move from the bending portion to the first end portion.