CN100396989C - Electronic device and adjusting mechanism thereof - Google Patents

Abstract

An electronic device and its adjusting mechanism, wherein the adjusting mechanism is used for adjusting the height of an object and includes a lifting member, an elastic member, and a moving member, the lifting member has a plurality of grooves and is movably disposed on the object, the elastic member is respectively connected with the lifting member and the object, the moving member has a locking portion and moves between a first position and a second position, when the moving member is located at the first position, the locking portion is locked with any one of the grooves, and when the moving member is located at the second position, the locking portion is disengaged from the groove, so that the lifting member moves relative to the object to adjust the height of the object. The adjusting mechanism further comprises a damper which is combined with the lifting piece to limit the lifting speed of the lifting piece.

Description

Electronic device and its adjustment mechanism

technical field

The invention relates to an electronic device and its adjustment mechanism, in particular to an adjustment mechanism which can make the lifting action more smooth.

Background technique

In an electronic device, taking a projector as an example, since the base often needs to be adjusted to achieve a proper projection angle, an adjustment mechanism is usually required.

Most of the existing adjustment mechanisms are adjusted by screws. The disadvantage of this adjustment method is that when the user turns the screw, the lifting speed of the base is difficult to control, which makes the adjustment difficult for the user.

Contents of the invention

The purpose of the present invention is to provide an adjustment mechanism, which can make the lifting action more smooth.

According to the present invention, an adjustment mechanism is provided, which is used to lift an object, and includes a lifting member, a first elastic member, and a moving member, wherein the lifting member has a plurality of grooves and is arranged in a movable manner On the object, the first elastic member is respectively connected with the lifting member and the object, and the moving member has an engaging part, and moves between a first position and a second position. When the moving member is at the first position, the engaging part The part engages with any one of the grooves, and when the moving part is in the second position, the engaging part disengages from the groove, so that the lifting part moves relative to the object to adjust the height of the object.

In a preferred embodiment, the adjustment mechanism also includes a damper and a fixing piece, wherein the damper is combined with the lifting piece to limit the lifting speed of the lifting piece, and the damper can be a damping gear, and the lifting piece can have A rack, which meshes with the damping gear; the fixed part is connected with the object, and the damper is arranged on the fixed part; and the fixed part has a bump, and the moving part has a through hole for accommodating the bump, and the bump is positioned in the through hole In the method, the moving member is moved along a predetermined direction between the first position and the second position.

In another preferred embodiment, the adjusting mechanism further includes a second elastic member combined with the moving member to return the moving member to the first position, and the second elastic member may be a compression spring.

In another preferred embodiment, the adjustment mechanism further includes a connecting piece and a positioning pin, wherein the connecting piece is respectively connected to the lifting piece and the first elastic piece, so that the first elastic piece is connected to the lifting piece through the connecting piece; and The lifting member further includes a first through hole, and the connecting member includes a second through hole corresponding to the first through hole, and the positioning pin passes through the first through hole and the second through hole to fix the connecting member on the lifting member.

In another preferred embodiment, the lifting member also includes a through hole, and the connecting member also includes a protrusion, through which the protrusion is inserted into the through hole to position the connecting member on the lifting member; also, the connecting member may have a gap, and The first elastic part has a section of difference, and the first elastic part is connected to the connecting part through the step difference engaging with the notch.

It should be understood that the first elastic member can be a wire spring or a tension spring.

In the present invention, an electronic device is provided, which includes a base, a lifting member, a first elastic member, and a moving member, wherein the lifting member has a plurality of grooves and is movably arranged on the base Above, the first elastic part is respectively connected with the lifting part and the base, the moving part has an engaging part, and moves between a first position and a second position, when the moving part is in the first position, the engaging part and the Any one of the grooves is engaged, and when the moving part is at the second position, the engaging part disengages from the groove, so that the lifting part moves relative to the base to adjust the height of the electronic device.

Description of drawings

1 is a schematic diagram of an electronic device of the present invention;

Figure 2a is an exploded view of the adjustment mechanism in Figure 1;

Fig. 2b is a side view after the adjustment mechanism in Fig. 2a is assembled;

Fig. 3a, Fig. 3c and Fig. 3d are combined perspective views of the adjusting mechanism in Fig. 2a, wherein the moving part is in the first position;

Fig. 3b is a side view of the assembled adjustment mechanism in Fig. 2a, wherein the moving part is in the second position;

Figure 4a is a partial side view of the electronic device in Figure 1; and

FIG. 4b is another partial side view of the electronic device of the present invention, wherein the base is raised.

Detailed ways

FIG. 1 shows an electronic device 1 of the present invention, which includes an adjustment mechanism 10 and a base 20. It should be understood that the electronic device 1 also includes other components, but for convenience of illustration, they are not shown in the figure.

With reference to Fig. 2 a, adjustment mechanism 10 comprises a fixed part 11, a damper 12, a lifting part 13, a moving part 14, a first elastic part 15, a second elastic part 16, a connecting part 17, a positioning pin 18. And a button 19, wherein the fixing member 11 is connected to the base 20, and has a through hole 113, and a first protrusion 111 is provided on the bottom surface of the bottom, and a second protrusion 112 is provided on the upper surface of the bottom; The damper 12 has a notch 121 and a through hole 122, through which the notch 121 engages with the second protrusion 112 of the fixing part 11, the damper 12 can be positioned on the fixing part 11, and the combination part (such as , screw) through the perforation 113 of the fixture 11 and the perforation 122 of the damper 12, the damper 12 can be arranged on the fixture 11; The lifting movement of the lifting member 13 is smoother. In this embodiment, the damper 12 is a damping gear, but it is not limited thereto. It can also be a member that can slow down the movement of the lifting member 13 such as a torsion spring or a spring.

The lifter 13 is movably arranged on the base 20, and is provided with a rack 131 (as shown in FIG. 1 ), a plurality of grooves 132, a first through hole 133, and a second through hole 134 ( As shown in Figure 2b), the rack 131 is engaged with the damping gear as the damper 12, and the groove 132 is located on the opposite side of the rack 131.

The moving member 14 is movable between a standby position (as shown in Figure 2b and Figure 3a, hereinafter referred to as the first position) and a pressing position (as shown in Figure 3b, hereinafter referred to as the second position) It is arranged on the base 20 and has an engaging part 141, a through hole 142, and a protruding rod 143, wherein when the moving part 14 is in the first position, the engaging part 141 can be connected with the groove 132 of the lifting part 13. Either one is engaged, and the through hole 142 can accommodate the first protrusion 111 of the fixing part 11 therein, and the first protrusion 111 is located in the through hole 142, so that the moving part 14 can move between the first position and the second position along a predetermined direction. Move between locations.

One end of the first elastic member 15 is connected to the base 20, and the other end is connected to the lifting member 13 via the connecting member 17, so that the lifting member 13 can move relative to the base 20, and a section 151 is formed at the end connected to the connecting member 17. ; Also, in this embodiment, the first elastic member 15 is a wire spring, but it is not limited thereto, it can also be a tension spring.

The second elastic member 16 is arranged on the protruding rod 143 of the movable member 14 and is combined with the movable member 14 to return the movable member 14 to the first position; again, in this embodiment, the second elastic member 16 is a compressed spring.

The connecting piece 17 is arranged on the top of the lifting piece 13, and has a through hole 171, a protrusion 172, and a gap 173, through the positioning pin 18 through the first through hole 133 of the lifting piece 13 and the through hole 171 of the connecting piece 17, to The connecting piece 17 is fixed on the lifting piece 13, and by inserting the protrusion 172 of the connecting piece 17 into the second through hole 134 of the lifting piece 13, the connecting piece 17 can be positioned on the lifting piece 13; The step portion 151 of an elastic member 15 engages with the notch 173 of the connecting member 17 , so that the first elastic member 15 is connected to the connecting member 17 .

The button 19 is combined with the moving part 14 and is exposed outside the base 20 to facilitate pressing by the user.

The composition of the electronic device 1 of the present invention is as described above. When the height of the base 20 is to be adjusted, it is only necessary to press the button 19 to drive the moving part 14 to move from the first position to the second position, so that the engaging part 141 of the moving part 14 is in contact with the second position. The height of the base 20 can be adjusted when the groove 132 of the lifting member 13 is disengaged.

In detail, when the base 20 is to be adjusted from the position shown in FIG. The slot 132 is disengaged, and the base 20 is raised slightly to provide a space for the lifting member 13 to descend. At this time, the first elastic member 15 can drive the lifting member 13 to descend from the position shown in FIG. 3 a until the user releases the button 19 And make the engagement part 141 of the moving part 14 engage with the groove 132 of the lifting part 13 again, the relationship between the lifting part 13 and the moving part 14 is shown in Figure 3c, and the base 20 has been adjusted to the position shown in Figure 4b. location shown.

Conversely, when the base 20 is to be returned from the position shown in FIG. 4b to the position shown in FIG. At this time, the base 20 will use the weight of the electronic device 1 itself (or lightly press the electronic device 1) to drive the lifting member 13 to rise from the position shown in Figure 3c until the user releases the button 19 to make the moving member The engaging portion 141 of 14 engages again with the groove 132 of the lifting member 13. At this time, the relationship between the lifting member 13 and the moving member 14 is shown in FIG. 3a, and the base 20 has been returned to the position shown in FIG. 4a.

As mentioned above, since elastic members 15, 16 such as wire springs are provided in the adjustment mechanism 10 of the electronic device 1, the elastic force of the elastic members 15, 16 allows the user to adjust the base more conveniently; A damper 12 is arranged in the middle, which can slow down the lifting speed of the lifting member 13, and can make the lifting action of the lifting member 13 more smooth.

Although the present invention has been disclosed in conjunction with the above preferred embodiments, it is not intended to limit the present invention. Any skilled person can make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, the present invention The scope of protection should be defined by the claims.

Claims (24)

1. An adjustment mechanism, which is arranged on an object and is used to adjust a height of the object, the adjustment mechanism includes: a lifter with a plurality of grooves, the lifter is movably arranged on the object; A first elastic member is respectively connected with the lifting member and the object; and A moving part has an engaging part and moves between a first position and a second position; Wherein, when the moving part is at the first position, the engaging part engages with any one of the grooves, and when the moving part is at the second position, the engaging part engages with any of the grooves Disengaging from the engagement allows the lifting member to move relative to the object to adjust the height of the object, Wherein, the adjustment mechanism further includes a damper combined with the lifting member to limit a lifting speed of the lifting member. 2. The adjusting mechanism as claimed in claim 1, wherein the damper is a damping gear, and the lifter has a rack, and the rack is meshed with the damping gear. 3. The adjustment mechanism according to claim 1, further comprising a fixing part connected to the object, and the damper is arranged on the fixing part. 4. The adjustment mechanism as claimed in claim 3, wherein the fixed part has a protrusion, and the moving part has a through hole for receiving the protrusion, and the moving part is positioned in the through hole through the protrusion, so that the moving part moves along a predetermined The direction moves between the first position and the second position. 5. The adjusting mechanism as claimed in claim 1, further comprising a second elastic member combined with the moving member to return the moving member to the first position. 6. The adjusting mechanism as claimed in claim 5, wherein the second elastic member is a compression spring. 7. The adjusting mechanism as claimed in claim 1, further comprising a connecting piece connected to the lifting piece and the first elastic piece respectively, so that the first elastic piece is connected to the lifting piece through the connecting piece. 8. The adjusting mechanism according to claim 7, further comprising a positioning pin, and the lifting member further comprises a first through hole, and the connecting member comprises a second through hole corresponding to the first through hole, through which the positioning pin passing through the first through hole and the second through hole to fix the connecting piece on the lifting piece. 9 . The adjusting mechanism as claimed in claim 7 , wherein the lifting member further comprises a through hole, and the connecting member further comprises a protrusion, and the protrusion is inserted into the through hole to position the connecting member on the lifting member. 10. The adjustment mechanism according to claim 7, wherein the connecting member has a notch, and the first elastic member has a difference portion, and the first elastic member is connected to the notch through the step difference portion. file connection. 11. The adjusting mechanism as claimed in claim 1, wherein the first elastic member is a wire spring. 12. The adjusting mechanism as claimed in claim 1, wherein the first elastic member is a tension spring. 13. An electronic device comprising: a base; and 1. Adjustment mechanism, including: A lifter has a plurality of grooves, and the lifter is movably arranged on the base; A first elastic member is respectively connected with the lifting member and the base; and A moving part has an engaging part and moves between a first position and a second position; Wherein, when the moving part is at the first position, the engaging part engages with any one of the grooves, and when the moving part is at the second position, the engaging part engages with any of the grooves Disengaging the engagement, so that the lifting member moves relative to the base to adjust a height of the electronic device, Wherein, the adjusting device further includes a damper combined with the lifting member to limit a lifting speed of the lifting member. 14. The electronic device as claimed in claim 13, wherein the damper is a damping gear, and the lifter has a rack, and the rack is meshed with the gear. 15. The electronic device as claimed in claim 13, further comprising a fixing part connected to the base, and the damper is disposed on the fixing part. 16. The electronic device as claimed in claim 15, wherein the fixing part has a protrusion, and the moving part has a through hole for receiving the protrusion, and the moving part is positioned in the through hole through the protrusion, so that the moving part moves along a predetermined The direction moves between the first position and the second position. 17. The electronic device as claimed in claim 13, further comprising a second elastic part combined with the moving part to return the moving part to the first position. 18. The electronic device as claimed in claim 17, wherein the second elastic member is a compression spring. 19 . The electronic device as claimed in claim 13 , further comprising a connecting piece connected to the lifting piece and the first elastic piece respectively, so that the first elastic piece is connected to the lifting piece through the connecting piece. 20. The electronic device according to claim 19, further comprising a positioning pin, and the lifting member further comprises a first through hole, and the connecting member comprises a second through hole corresponding to the first through hole, through which the positioning pin passing through the first through hole and the second through hole to fix the connecting piece on the lifting piece. 21. The electronic device as claimed in claim 19, wherein the lifting member further comprises a through hole, and the connecting member further comprises a protrusion, and the protrusion is inserted into the through hole to position the connecting member on the lifting member. 22. The electronic device as claimed in claim 19, wherein the connecting member has a notch, and the first elastic member has a difference portion, and the first elastic member is connected to the notch by engaging the step difference portion. file connection. 23. The electronic device as claimed in claim 13, wherein the first elastic member is a wire spring. 24. The electronic device as claimed in claim 13, wherein the first elastic member is a tension spring.

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