CN218605814U

CN218605814U - Backrest lifting device

Info

Publication number: CN218605814U
Application number: CN202222678585.5U
Authority: CN
Inventors: 刘玉海
Original assignee: Hubei Jiudianjiu Household Products Co ltd
Current assignee: Hubei Jiudianjiu Household Products Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-03-14
Anticipated expiration: 2032-10-12

Abstract

The utility model provides a backrest lifting device, which comprises a base, wherein a fixed frame is detachably connected above the base, two ends of the fixed frame are provided with vertical frames extending upwards, a lifting frame is connected between the two vertical frames through a double-layer sliding rail, and a driving piece for driving the lifting frame to lift in the vertical direction is arranged below the fixed frame; the utility model relates to a simple structure, it is convenient to use, the altitude mixture control of crane is realized to the structure that adopts double-deck slide rail and push rod linear electric motor's drive method, the noise problem that the lift in-process produced has been reduced, and adopt electric drive's mode to replace traditional artifical mode, the height of upper and lower adjustable back, thereby make the health position adjust best comfortable state, the security is high, and design base and fixed frame into detachable structure, can dismantle when the transportation, convenient transportation, and have the convenient advantage of equipment.

Description

Backrest lifting device

Technical Field

The utility model belongs to the technical field of furniture support technique and specifically relates to a backrest lifting device is related to.

Background

At present, in the field of furniture design, liftable furniture is generally required to be designed to meet the diversified use requirements of consumers, for example, a liftable chair is designed to meet the requirements of users with different heights, or a liftable mechanism is designed at the backrest position of furniture such as a bed or a sofa to meet the requirements. However, the height of the existing lifting mode is mostly adjusted by a manual mode, for example, the lifting chair needs to be adjusted by an operating rod, cannot be adjusted to the position most comfortable for human body, and has certain potential safety hazard, and in addition, the existing lifting process also has noise problem, which affects the use experience; and as the furniture is of an integral structure, the lifting device of the furniture also has the defect of undetachable, and inconvenience is also caused during transportation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a backrest lifting device to the current crane that provides in solving above-mentioned background art needs manual height-adjusting, the security is poor, has the noise and carry inconvenient problem.

The technical scheme of the utility model is realized like this:

the utility model provides a backrest lifting device, includes the base, the top detachable of base is connected with the mount, the both ends of mount have the grudging post that upwards extends, have the crane through double-deck sliding rail connection between two grudging posts, install the driving piece that is used for driving the crane to go up and down in vertical direction below the mount.

Preferably, the two sides of the base are fixedly provided with inserting plates, a gap is arranged between the upper part of each inserting plate and the outer wall of the base, and the surface of each inserting plate is provided with a limiting hole.

Preferably, the connecting plate is installed to the both sides external position of mount, the surface of connecting plate has set firmly a support, have in the support along the spout that vertical direction seted up, the picture peg can insert in the spout.

Preferably, a limiting frame is fixedly arranged on the connecting plate above the support, the limiting frame is located right above the sliding groove, an elastic part is arranged on the inner wall of the limiting frame, and the elastic part can be clamped into a limiting hole in the inserting plate after the inserting plate is inserted into the sliding groove.

Preferably, the driving piece is a push rod linear motor, the lower end of the push rod linear motor is hinged to a connecting frame at the middle position below the fixing frame, and a sliding block of the push rod linear motor is connected with the lifting frame through a bolt.

Preferably, the lifting frame is of an H-shaped structure as a whole.

Adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

the utility model relates to a simple structure, it is convenient to use, the altitude mixture control that the crane was realized to the structure that adopts double-deck slide rail and push rod linear electric motor's drive mode, the noise problem that produces has been reduced to the lift in-process, and adopt electric drive's mode to replace traditional artifical mode, the height of upper and lower adjustable back, thereby make the health position adjust to best comfortable state, the security is high, and count into detachable structure with base and fixed frame, can dismantle when the transportation, convenient transportation, and have the convenient advantage of equipment.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a front view of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is a view showing a structure of the base and the fixing frame of the present invention;

FIG. 4 is a sectional view of the connection structure of the plugboard and the bracket of the present invention;

FIG. 5 is a perspective view of the base of the present invention;

FIG. 6 is a perspective view of the fixing frame of the present invention;

fig. 7 is a cross-sectional view of the bracket of the present invention.

Wherein:

1. a base; 101. inserting plates; 102. a limiting hole; 103. supporting legs; 2. a fixed mount; 201. erecting a frame; 202. a support; 203. a limiting frame; 204. a chute; 205. an elastic member; 206. a connecting plate; 3. a lifting frame; 4. a connecting frame; 5. a drive member.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-7, a back elevating gear, including base 1, base 1's bottom has the supporting leg 103 that extends to the horizontal direction for the area of contact of increase and ground, base 1's top detachable is connected with mount 2, the both ends of mount 2 have the grudging post 201 that upwards extends, and grudging post 201 is the angle steel, has the bolt hole that central line and horizontal plane parallel on it for connect bed board, the back of the chair etc. have crane 3 through double-deck sliding rail connection between two grudging posts 201, the driving piece 5 that is used for driving crane 3 to go up and down in vertical direction is installed to 2 belows of mount.

Specifically, inserting plates 101 are fixedly arranged at two sides of the base 1, a gap is formed between the upper part of each inserting plate 101 and the outer wall of the base 1, and a limiting hole 102 is formed in the surface of each inserting plate 101; the outer positions of two sides of the fixed frame 2 are provided with connecting plates 206, the outer surface of each connecting plate 206 is fixedly provided with a support 202, a sliding groove 204 which is arranged along the vertical direction is formed in each support 202, and the inserting plate 101 can be inserted into the sliding groove 204; a limiting frame 203 is fixedly arranged on a connecting plate 206 above the bracket 202, the limiting frame 203 is positioned right above the sliding groove 204, and an elastic part 205 is arranged on the inner wall of the limiting frame 203, wherein the elastic part 205 is a metal sheet with an L-shaped structure, the elastic part 205 can be clamped into a limiting hole 102 on the plug board 101 after the plug board 101 is inserted into the sliding groove 204, when the plug board 101 is inserted into the sliding groove 204, the elastic part 205 can move outwards under the action of the plug board 101, and when the plug board 101 is inserted into a specified position, the elastic part 205 can enter the limiting hole 102, so that the problem that the fixing frame 2 is easily separated from the base 1 can be avoided; more specifically, the upper portion of the board 101 is tapered to facilitate quick insertion into the slot 204.

Specifically, driving piece 5 is push rod linear electric motor, and push rod linear electric motor's lower extreme articulates on the link 4 of mount 2 below middle part position, and push rod linear electric motor's slider passes through bolted connection with crane 3, crane 3 wholly is H type structure, and push rod linear electric motor's slider is installed on the horizon bar of H type structure promptly.

The working principle is as follows:

during the use, with mount 2 and base 1 butt joint, insert in the spout 204 of support 202 picture peg 101 to thereby make elastic component 205 get into spacing hole 102 and realize the location, start the push rod linear electric motor after, can be under push rod linear electric motor's drive, make crane 3 be elevating movement, convenient and fast in vertical direction.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A backrest lifting device is characterized in that: including base (1), the top detachable of base (1) is connected with mount (2), the both ends of mount (2) have grudging post (201) of upwards extending, have crane (3) through double-deck sliding rail connection between two grudging posts (201), driving piece (5) that are used for driving crane (3) and go up and down in vertical direction are installed to mount (2) below.

2. A backrest lifting device according to claim 1, wherein: the base is characterized in that inserting plates (101) are fixedly arranged at two sides of the base (1), a gap is reserved between the upper portion of each inserting plate (101) and the outer wall of the base (1), and limiting holes (102) are formed in the surface of each inserting plate (101).

3. A backrest-elevating device as claimed in claim 2, wherein: connecting plate (206) are installed to the both sides outside position of mount (2), the surface of connecting plate (206) has set firmly a support (202), spout (204) of seting up along vertical direction have in support (202), picture peg (101) can insert in spout (204).

4. A backrest-elevating device as claimed in claim 3, wherein: the support is characterized in that a limiting frame (203) is fixedly arranged on a connecting plate (206) above the support (202), the limiting frame (203) is located right above the sliding groove (204), an elastic part (205) is arranged on the inner wall of the limiting frame (203), and the elastic part (205) can be clamped into a limiting hole (102) in the inserting plate (101) after the inserting plate (101) is inserted into the sliding groove (204).

5. A backrest lifting device according to claim 1, wherein: the driving piece (5) is a push rod linear motor, the lower end of the push rod linear motor is hinged to a connecting frame (4) at the middle position below the fixing frame (2), and a sliding block of the push rod linear motor is connected with the lifting frame (3) through a bolt.

6. A backrest-elevating device as claimed in claim 1, wherein: the lifting frame (3) is integrally of an H-shaped structure.