CN211883078U

CN211883078U - Adjusting mechanism

Info

Publication number: CN211883078U
Application number: CN202020130304.0U
Authority: CN
Inventors: 郑春华
Original assignee: Shenzhen Xbl Hardware Co ltd
Current assignee: Shenzhen Xbl Hardware Co ltd
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2020-11-10
Anticipated expiration: 2030-01-20

Abstract

The utility model provides an adjustment mechanism, including mount pad, adjustment seat and link assembly, link assembly includes first connecting rod group and second connecting rod group, first connecting rod group respectively with mount pad and adjustment seat are articulated, be provided with the guide part on the mount pad, the second connecting rod group with the adjustment seat is articulated, and passes through the guide part with mount pad movably connects, first connecting rod group with the second connecting rod group is articulated each other. The utility model discloses by the rising and the decline of first connecting rod group drive adjustment seat, be in simultaneously the upset of second connecting rod group drive adjustment seat under the drive of first connecting rod group and the restraint of guide part to the realization is to the adjustment of adjustment seat height and angle. The utility model discloses simple structure, the operation is smooth, and compact structure, stability are favorable to reduction in production cost moreover.

Description

Adjusting mechanism

Technical Field

The utility model belongs to the technical field of the hardware fitting and specifically relates to an adjustment mechanism is related to.

Background

Nowadays more and more furniture backrests have a tilt adjustment function, in particular sofas. The back of the sofa is required to be adjusted according to the use requirements of users in many times, so that the comfort of the sofa is improved. The backrest of some seats, sofas or beds can be folded and lifted when in use, and the backrest and the seat body are all arranged between the backrest and the seat body to realize the purpose. The prior art tumble adjusting mechanisms still have room for further simplification in their construction, and thus the prior art has yet to be improved and enhanced.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide an adjusting mechanism with a relatively simple structure.

For solving the technical problem, the utility model discloses following technical scheme has been taken:

the utility model provides an adjustment mechanism, including mount pad, adjustment seat and link assembly, link assembly includes first connecting rod group and second connecting rod group, first connecting rod group respectively with mount pad and adjustment seat are articulated, be provided with the guide part on the mount pad, the second connecting rod group with the adjustment seat is articulated, and passes through the guide part with mount pad movably connects, first connecting rod group with the second connecting rod group is articulated each other.

Further, the adjusting mechanism, the first link group includes a first rod and a second rod, the second link group includes a third rod and a fourth rod, one end of the first rod is hinged to the mounting seat, one end of the first rod is hinged to one end of the second rod, the other end of the second rod is hinged to the adjusting seat, one end of the third rod is rotatably installed in the guide portion and can move in the guide portion, the other end of the third rod is hinged to one end of the fourth rod, the other end of the fourth rod is hinged to the adjusting seat, the second rod is hinged to the third rod, and the hinged portion of the second rod and the third rod is located between two ends of the second rod and between two ends of the third rod.

Furthermore, the adjusting mechanism, the connecting rod assembly further includes a fifth rod, one end of the fifth rod is hinged to one end of the third rod, the other end of the fifth rod is hinged to the first rod, and the hinged position of the fifth rod and the first rod is located between two ends of the first rod.

Further, in the adjusting mechanism, the guide portion is a guide chute.

Furthermore, the adjusting mechanism further comprises a limiting shaft, the third rod piece and the fifth rod piece are hinged through the limiting shaft, and the limiting shaft is arranged in the guide sliding groove and slides relative to the guide sliding groove.

Furthermore, the guiding sliding groove of the adjusting mechanism is a straight sliding groove.

Furthermore, the adjusting mechanism, the first rod piece and the fifth rod piece are hinged through a limiting shaft, and a virtual constraint for constraining the limiting shaft is arranged on the mounting seat.

Further, the virtual restraint of the adjusting mechanism is a long arc-shaped hole.

Furthermore, in the adjusting mechanism, the fourth rod piece has a radian, and the center of the fourth rod piece is located at one side of the second rod piece.

Further, when the adjusting mechanism is in a retracted state, the second connecting rod has a section with a radian at the nearest point close to the fourth rod and the fifth rod, and the circle centers of the second connecting rod are respectively located at one side of the nearest point corresponding to the second connecting rod.

Compared with the prior art, the utility model provides an adjustment mechanism, including mount pad, adjustment seat and link assembly, link assembly includes first connecting rod group and second connecting rod group, first connecting rod group respectively with mount pad and adjustment seat are articulated, be provided with the guide part on the mount pad, the second connecting rod group with the adjustment seat is articulated, and passes through the guide part with mount pad movably connects, first connecting rod group with second connecting rod group is articulated each other. The utility model discloses by the rising and the decline of first connecting rod group drive adjustment seat, be in simultaneously the upset of second connecting rod group drive adjustment seat under the drive of first connecting rod group and the restraint of guide part to the realization is to the adjustment of adjustment seat height and angle. The utility model discloses simple structure, the operation is smooth, and compact structure, stability are favorable to reduction in production cost moreover.

Drawings

Fig. 1 is a schematic structural diagram of the expansion state of the adjustment mechanism provided by the present invention.

Fig. 2 is a first schematic structural diagram of a contraction state of the adjustment mechanism according to the present invention.

Fig. 3 is a schematic structural diagram ii of the contraction state of the adjustment mechanism according to the present invention.

Reference numerals:

mounting base 1

Adjusting seat 2

Connecting rod assembly 3

First link group 31

Second linkage 32

First pin 301

Second pole 302

Third bar 303

Fourth bar member 304

Fifth bar 305

Guide part 11

Guide runner 111

Oblong hole 12

Limiting shaft 33

Drive connection member 34

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "on," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

It should be noted that the terms of orientation such as left, right, up and down in the embodiments of the present invention are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.

As shown in fig. 1, fig. 2 and fig. 3, the utility model provides an adjusting mechanism, including mount pad 1, adjusting seat 2 and link assembly 3, link assembly 3 includes first link group 31 and second link group 32, first link group 31 respectively with mount pad 1 is articulated with adjusting seat 2, be provided with guide part 11 on the mount pad 1, second link group 32 with adjusting seat 2 is articulated, and passes through guide part 11 with mount pad 1 movably connects, first link group 31 with second link group 32 articulates each other. The utility model discloses by the ascending and decline of first connecting rod group 31 drive adjustment seat 2, be in simultaneously second connecting rod group 32 drives the upset of adjustment seat 2 under the drive of first connecting rod group 31 and the restraint of guide part 11 to the realization is to the adjustment of adjustment seat 2 height and angle. The utility model discloses simple structure, the operation is smooth, and compact structure, stability are favorable to reduction in production cost moreover.

Further, the utility model provides an adjusting mechanism, first link group 31 includes first member 301 and second member 302, second link group 32 includes third member 303 and fourth member 304, the one end of first member 301 with mount pad 1 is articulated, the one end of first member 301 with the one end of second member 302 is articulated, the other end of second member 302 with adjusting seat 2 is articulated, the one end of third member 303 rotationally install in guide part 11, and can remove in guide part 11, the other end of third member 303 with the one end of fourth member 304 is articulated, the other end of fourth member 304 with adjusting seat 2 is articulated, second member 302 and third member 303 are articulated each other, the second member 302 with the articulated department of third member 303 is located between the both ends of second member 302, And is located between the two ends of the third bar 303. Further, the link assembly 3 further includes a fifth rod 305, one end of the fifth rod 305 is hinged to one end of the third rod 303, the other end of the fifth rod 305 is hinged to the first rod 301, and the hinged position of the fifth rod 305 and the first rod 301 is located between two ends of the first rod 301. The second rod 302, the fourth rod 304 and the fifth rod 305 are in the same horizontal plane, and when the whole mechanism is contracted to a certain extent, the second rod 302, the fourth rod 304 and the fifth rod 305 will contact with each other to hinder the continuous movement of the connecting rod assembly 3, so that the adjustment seat 2 can only reciprocate within a certain range. In this embodiment, the guide portion 11 is a guide chute 111, and the guide chute 111 is a straight chute. Further, the utility model discloses an adjustment mechanism still includes spacing axle 33, third member 303 with fifth member 305 is articulated through spacing axle 33, and its spacing axle 33 install in direction spout 111, relatively direction spout 111 slides to guarantee the smooth operation of mechanism.

The driving connection member 34 is provided in this embodiment, the driving connection member 34 is installed on the second rod 302, and the driving connection member 34 is used for connecting with an external driving mechanism to drive the adjusting mechanism to automatically adjust. As shown in fig. 2, when the adjustment mechanism is in the retracted state, the driving connection member 34 drives the second rod 302 to move upward to drive the adjustment seat 2 to move upward, at this time, the first rod 301 (in the view shown in fig. 2) rotates clockwise, the fifth rod 305 moves upward along the guide portion 11 under the pushing of the first rod 301, the third rod 303 moves upward and rotates clockwise under the pushing of the fifth rod 305 and the second rod 302, the fourth rod 304 moves upward under the pushing of the third rod 303, and the adjustment seat 2 is pushed to turn around the hinge joint of the second rod 302 and the adjustment seat 2, so as to achieve the lifting and angle adjustment of the adjustment seat 2. As shown in fig. 3, when the limiting shaft 33 at the hinge of the third rod 303 and the fifth rod 305 moves to the topmost end of the guiding chute 111, and the end of the fourth rod 304 away from the adjusting seat 2 abuts against the second rod 302, the adjusting seat 2 reaches the topmost point, which is the expanding process of the adjusting mechanism, and the contracting process is the reverse motion of the expanding process, which is not described herein again.

Further, the utility model provides an adjustment mechanism, first member 301 with fifth member 305 is articulated through spacing axle 33, just be provided with the virtual restraint of this spacing axle 33 of restraint on the mount pad 1. In particular, the virtual constraint is a slotted arc 12 to increase the rigidity of the articulation.

Further, the present invention provides an adjusting mechanism, wherein the fourth rod 304 has a radian, and the center of the radian is located at one side of the second rod 302. Further, when the adjusting mechanism is in the retracted state, the second link has a radian at a section near the nearest point of the fourth rod 304 and the fifth rod 305, and the centers of the second link are located at one side of the nearest point corresponding to the second link, so as to ensure the compactness of the structure in the retracted state. In this embodiment, when the adjusting mechanism performs the retracting movement, when both ends of the fourth rod 304 contact with the second rod 302, the limiting shaft 33 at the hinge of the third rod 303 and the fifth rod 305 moves to the bottom end of the guiding chute 111, and one end of the fifth rod 305 contacts with the second rod 302, the adjusting seat 2 reaches the lowest point.

To sum up, the utility model discloses can realize rising and the angular adjustment of adjustment seat, simple structure not only runs smoothly, compact structure, stability are favorable to reduction in production cost moreover.

It should be understood that equivalent alterations and modifications can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such alterations and modifications should fall within the scope of the appended claims.

Claims

1. The utility model provides an adjusting mechanism, includes mount pad (1), adjusting seat (2) and link assembly (3), its characterized in that, link assembly (3) include first link group (31) and second link group (32), first link group (31) respectively with mount pad (1) and adjusting seat (2) are articulated, be provided with guide part (11) on mount pad (1), second link group (32) with adjusting seat (2) are articulated, just pass through guide part (11) with mount pad (1) movably connects, first link group (31) with second link group (32) are articulated each other.

2. The adjustment mechanism according to claim 1, wherein the first linkage (31) comprises a first rod (301) and a second rod (302), the second linkage (32) comprises a third rod (303) and a fourth rod (304), one end of the first rod (301) is hinged to the mounting seat (1), one end of the first rod (301) is hinged to one end of the second rod (302), the other end of the second rod (302) is hinged to the adjustment seat (2), one end of the third rod (303) is rotatably mounted in the guide portion (11) and is movable in the guide portion (11), the other end of the third rod (303) is hinged to one end of the fourth rod (304), the other end of the fourth rod (304) is hinged to the adjustment seat (2), the second rod (302) and the third rod (303) are hinged to each other, the hinged position of the second rod piece (302) and the third rod piece (303) is positioned between two ends of the second rod piece (302) and between two ends of the third rod piece (303).

3. The adjustment mechanism according to claim 2, wherein the link assembly (3) further comprises a fifth link (305), one end of the fifth link (305) is hinged to one end of the third link (303), the other end of the fifth link (305) is hinged to the first link (301), and the hinge of the fifth link (305) and the first link (301) is located between two ends of the first link (301).

4. The adjusting mechanism according to claim 3, characterized in that the guide (11) is a guide runner (111).

5. The adjusting mechanism according to claim 4, further comprising a limiting shaft (33), wherein the third rod (303) and the fifth rod (305) are hinged by the limiting shaft (33), and the limiting shaft (33) is installed in the guide chute (111) and slides relative to the guide chute (111).

6. The adjusting mechanism according to claim 5, characterized in that the guide chute (111) is a straight chute.

7. The adjusting mechanism according to claim 6, characterized in that the first rod (301) and the fifth rod (305) are hinged by a limiting shaft (33), and the mounting base (1) is provided with a virtual restraint for restraining the limiting shaft (33).

8. The adjustment mechanism according to claim 7, characterized in that the virtual restriction is an oblong arc shaped hole (12).

9. The adjustment mechanism of claim 8, wherein the fourth lever (304) has an arc with a center located on a side of the second lever (302).

10. The adjustment mechanism of claim 9, wherein when the adjustment mechanism is in the retracted state, the second link has a segment with an arc at a proximal point adjacent to the fourth rod (304) and the fifth rod (305), and the segment has a center at a side of the proximal point.