CN217365184U

CN217365184U - Double-back support sliding mechanism

Info

Publication number: CN217365184U
Application number: CN202220410529.0U
Authority: CN
Inventors: 远万春
Original assignee: Anji Jinhuang Mould Technology Co ltd
Current assignee: Anji Jinhuang Mould Technology Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-09-06
Anticipated expiration: 2032-02-28

Abstract

The utility model belongs to the technical field of children's seat, especially, two back of body support slide mechanism, including sliding sleeve, sliding sleeve's fixed surface is connected with fixed pipe, the sliding surface of fixed pipe is connected with sliding sleeve, sliding sleeve's one end fixedly connected with elastic support frame. This two back support slide mechanism, compress tightly stop device through setting up, when using, through the slip of sliding sleeve at fixed pipe, adjust seat back front and back position, after the regulation is accomplished, through detaining the hasp spanner down, the hasp spanner drives and compresses tightly the tooth motion, peg graft the surface of pressure strip and the surface of fixed pipe, through the cooperation of compressing tightly tooth's socket and fixed pipe surface stroke location tooth's socket on pressure strip surface, it dies to fix a position the lock to sliding sleeve, thereby solved current seat back rigidity, can't adjust when using according to different children, can't support the problem that uses the travelling comfort with the influence seat to children's back.

Description

Double-back support sliding mechanism

Technical Field

The utility model relates to a children's seat technical field especially relates to a two back of body support slide mechanism.

Background

The chair is an indispensable tool in daily life and work of people. People have a great deal of time each day to work and entertain while sitting on the seat, and therefore, in order to make the seat more comfortable, people often use a squab on the seat.

Most present children's seats are when using, still adopt ordinary lift seat, when using, although can adjust seat cushion height and backrest height according to children's height, but in the in-service use, children's size and height are different, it is also different to stretch out the length of seat cushion top to the backrest, use the seat at the less thin children of size, the backrest rigidity, often appear children sit back on the seat cushion, children's back can't contact with the backrest, the backrest can't support children's back, and when using to the great fat children of size on the side, it is fixed unable to adjust to appear the backrest often, the unable whole seats of children's buttock, influence the seat and use the travelling comfort, so need a two back support slide mechanism.

SUMMERY OF THE UTILITY MODEL

Based on current seat back rigidity, can't adjust when using according to different children, can't support and influence the technical problem that the seat used the travelling comfort to children's back, the utility model provides a two back support slide mechanism.

The utility model provides a double-back support sliding mechanism, which comprises a sliding sleeve, wherein the surface of the sliding sleeve is fixedly connected with a fixed pipe, the surface of the fixed pipe is slidably connected with a sliding sleeve, and one end of the sliding sleeve is fixedly connected with an elastic support frame;

sliding sleeve's surperficial threaded connection has spacing bolt, the fixed surface of fixed pipe has seted up spacing slotted hole, the surface of spacing bolt and the inner wall sliding connection of spacing slotted hole, sliding sleeve's fixed surface is connected with and compresses tightly stop device, compress tightly stop device including fixed frame, the surface of fixed frame and sliding sleeve's fixed surface are connected.

Preferably, the inner bottom wall of the fixing frame is fixedly provided with a pressing groove, and the inner wall of the pressing groove is fixedly communicated with the inner wall of the sliding sleeve.

Preferably, the inner wall of the pressing groove is inserted with a pressing plate, two ends of the pressing plate are both connected with the inner wall of the fixing frame in a sliding manner, the lower surface of the pressing plate is fixedly connected with return springs, and the two return springs are symmetrically distributed by taking the axis of the pressing plate as the center.

Preferably, one end of the return spring is fixedly connected with the inner bottom wall of the fixed frame, the inner wall of the fixed frame is fixedly connected with a center pin shaft, and the surface of the center pin shaft is rotatably connected with a lock catch wrench.

Preferably, the upper surface of the pressing plate is fixedly connected with a limiting tooth, and the surface of the latch wrench is fixedly connected with a pressing tooth.

Preferably, the lower surface of the pressing plate is fixedly provided with a pressing tooth groove, the surface of the fixing pipe is fixedly provided with a stroke positioning tooth groove, and the stroke positioning tooth groove corresponds to the pressing tooth groove.

Preferably, the inner walls of the fixed pipe and the sliding sleeve are respectively sleeved with a pressure spring, two ends of each pressure spring are respectively fixedly connected with the inner walls of the fixed pipe and the sliding sleeve, the surface of each pressure spring is sleeved with a limiting ring, and the surfaces of the two limiting rings are respectively fixedly connected with the inner walls of the fixed pipe and the sliding sleeve.

The utility model provides a beneficial effect does:

compress tightly stop device through the setting, when using, through the slip of sliding sleeve at fixed pipe, adjust seat back front and back position, after the regulation is accomplished, through detaining the hasp spanner, the hasp spanner drives and compresses tightly the tooth motion, peg graft the surface of pressure strip and the surface of fixed pipe, through the cooperation of compressing tightly tooth's socket and fixed pipe surface stroke location tooth's socket on pressure strip surface, it dies to fix a position the lock to sliding sleeve, thereby solved current seat back rigidity, can't adjust when using according to different children, can't support the back of children and influence the problem that the seat used the travelling comfort.

Drawings

Fig. 1 is a schematic view of a double-back bracket sliding mechanism provided by the present invention;

fig. 2 is a perspective view of a sliding sleeve structure of a sliding mechanism of a double-back bracket according to the present invention;

fig. 3 is a perspective view of a sliding sleeve structure of a sliding mechanism of a double-back bracket according to the present invention;

fig. 4 is a half sectional view of a sliding sleeve structure of a sliding mechanism of a double-back bracket according to the present invention;

fig. 5 is a semi-sectional view of a pressing plate structure of a sliding mechanism of a double-back bracket according to the present invention.

In the figure: 1. a sliding sleeve; 2. a fixed tube; 3. a sliding sleeve; 4. an elastic support frame; 5. a limit bolt; 6. limiting slotted holes; 7. a fixing frame; 701. a compaction groove; 702. a compression plate; 703. a return spring; 704. a center pin; 705. a locking wrench; 706. limiting teeth; 707. a pressing tooth; 708. compacting the tooth grooves; 709. a stroke positioning tooth socket; 710. a pressure spring; 711. a limit ring.

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.

Referring to fig. 1-5, a double-back support sliding mechanism comprises a sliding sleeve 1, wherein the surface of the sliding sleeve 1 is fixedly connected with a fixed tube 2, the surface of the fixed tube 2 is slidably connected with a sliding sleeve 3, and one end of the sliding sleeve 3 is fixedly connected with an elastic support frame 4;

further, the sliding sleeve 1 is provided with a support column which is convenient to be sleeved with a seat back, so that the seat back can be conveniently adjusted in an up-and-down motion mode, and the height of the seat back can be adjusted.

The surface of the sliding sleeve 3 is in threaded connection with a limiting bolt 5, the surface of the fixed pipe 2 is fixedly provided with a limiting slotted hole 6, the surface of the limiting bolt 5 is in sliding connection with the inner wall of the limiting slotted hole 6, the inner diameter of the limiting slotted hole 6 is 35-45mm, the surface of the sliding sleeve 3 is fixedly connected with a compression limiting device, the compression limiting device comprises a fixed frame 7, and the surface of the fixed frame 7 is fixedly connected with the surface of the sliding sleeve 3;

further, the limiting groove hole 6 has the effect of limiting the stroke movement of the pressing limiting device.

A pressing groove 701 is fixedly formed in the inner bottom wall of the fixed frame 7, the inner wall of the pressing groove 701 is fixedly communicated with the inner wall of the sliding sleeve 3, a pressing plate 702 is inserted into the inner wall of the pressing groove 701, two ends of the pressing plate 702 are both connected with the inner wall of the fixed frame 7 in a sliding manner, a return spring 703 is fixedly connected to the lower surface of the pressing plate 702, the two return springs 703 are symmetrically distributed by taking the axis of the pressing plate 702 as the center, one end of the return spring 703 is fixedly connected with the inner bottom wall of the fixed frame 7, a center pin shaft 704 is fixedly connected to the inner wall of the fixed frame 7, a lock catch wrench 705 is rotatably connected to the surface of the center pin shaft 704, a limiting tooth 706 is fixedly connected to the upper surface of the pressing plate 702, and a pressing tooth 707 is fixedly connected to the surface of the lock catch wrench 705;

furthermore, the limiting teeth 706 and the pressing teeth 707 are matched, so that the locking wrench 705 can be conveniently rotated to fix the position and press and loosen the pressing plate 702, and better adjustment and locking effects can be achieved.

In order to realize better positioning and fixing after the sliding sleeve 3 slides, a pressing tooth groove 708 is fixedly formed in the lower surface of the pressing plate 702, a stroke positioning tooth groove 709 is fixedly formed in the surface of the fixed pipe 2, the stroke positioning tooth groove 709 corresponds to the pressing tooth groove 708, the inner walls of the fixed pipe 2 and the sliding sleeve 3 are respectively sleeved with a pressure spring 710, two ends of the pressure spring 710 are respectively fixedly connected with the inner walls of the fixed pipe 2 and the sliding sleeve 3, a limiting ring 711 is sleeved on the surface of the pressure spring 710, and the surfaces of the two limiting rings 711 are respectively fixedly connected with the inner walls of the fixed pipe 2 and the sliding sleeve 3.

Compress tightly stop device through the setting, when using, through the slip of sliding sleeve 3 at fixed pipe 2, adjust seat back front and back position, after the regulation is accomplished, through detaining hasp spanner 705 down, hasp spanner 705 drives and compresses tightly the tooth 707 motion, peg graft the surface of pressure strip 702 and the surface of fixed pipe 2, compress tightly tooth's socket 708 and the cooperation of fixed pipe 2 surface stroke location tooth's socket 709 through pressure strip 702 surface, fix a position the lock and die sliding sleeve 3, thereby current seat back rigidity has been solved, can't adjust when using according to different children, can't support the problem that uses the travelling comfort with the influence seat to children's back.

The working principle is as follows:

pulling a latch wrench 705, enabling the pressing plate 702 to be jacked up through a return spring 703, pushing the sliding sleeve 3 to move forwards by the pressure spring leaf, enabling one end of a limiting groove 6 of a limiting bolt 5 to move to the other end, preventing the pressure spring 710 from sliding forwards again by the limiting bolt 5, then pulling down the latch wrench 705, enabling the latch wrench 705 to press the pressing plate 702 downwards, and enabling a pressing tooth groove 708 on the surface of the pressing plate 702 to be plugged and locked with a stroke positioning tooth groove 709 on the surface of the fixed pipe 2;

similarly, when sliding backwards, only the locking wrench 705 needs to be opened, and the backrest slides backwards by applying pressure on the seat backrest by a person to reach a proper position, so that the locking wrench 705 is buckled and locked, and the backrest sliding adjustment is realized.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a two back of body support slide mechanism, includes sliding sleeve (1), its characterized in that: the surface of the sliding sleeve (1) is fixedly connected with a fixed pipe (2), the surface of the fixed pipe (2) is connected with a sliding sleeve (3) in a sliding manner, and one end of the sliding sleeve (3) is fixedly connected with an elastic support frame (4);

the surperficial threaded connection of sliding sleeve (3) has spacing bolt (5), spacing slotted hole (6) have been seted up to the fixed surface of fixed pipe (2), the surface of spacing bolt (5) and the inner wall sliding connection of spacing slotted hole (6), the fixed surface of sliding sleeve (3) is connected with and compresses tightly stop device, compress tightly stop device including fixed frame (7), the fixed surface of fixed frame (7) is connected with the fixed surface of sliding sleeve (3).

2. The dual back support slide mechanism of claim 1, wherein: the inner bottom wall of the fixing frame (7) is fixedly provided with a pressing groove (701), and the inner wall of the pressing groove (701) is fixedly communicated with the inner wall of the sliding sleeve (3).

3. The dual back support slide mechanism of claim 2, wherein: the inner wall of the pressing groove (701) is inserted with a pressing plate (702), two ends of the pressing plate (702) are connected with the inner wall of the fixing frame (7) in a sliding mode, the lower surface of the pressing plate (702) is fixedly connected with return springs (703), and the two return springs (703) are symmetrically distributed by taking the axis of the pressing plate (702) as the center.

4. A double back rack slide mechanism as claimed in claim 3, wherein: one end of the reset spring (703) is fixedly connected with the inner bottom wall of the fixed frame (7), the inner wall of the fixed frame (7) is fixedly connected with a center pin shaft (704), and the surface of the center pin shaft (704) is rotatably connected with a lock catch wrench (705).

5. The dual back support slide mechanism of claim 4, wherein: the upper surface of the pressing plate (702) is fixedly connected with a limiting tooth (706), and the surface of the lock catch wrench (705) is fixedly connected with a pressing tooth (707).

6. The double-back-support sliding mechanism according to claim 5, wherein: the lower surface of the pressing plate (702) is fixedly provided with a pressing tooth groove (708), the surface of the fixed pipe (2) is fixedly provided with a stroke positioning tooth groove (709), and the stroke positioning tooth groove (709) corresponds to the pressing tooth groove (708).

7. The dual back support slide mechanism of claim 6, wherein: pressure spring (710) have all been cup jointed to the inner wall of fixed pipe (2) and sliding sleeve (3), the both ends of pressure spring (710) respectively with the inner wall fixed connection of fixed pipe (2) and sliding sleeve (3), spacing ring (711), two have been cup jointed on the surface of pressure spring (710 the surface of spacing ring (711) respectively with the inner wall fixed connection of fixed pipe (2) and sliding sleeve (3).