CN217337928U

CN217337928U - Seat chassis with plug-in locking function

Info

Publication number: CN217337928U
Application number: CN202221397203.5U
Authority: CN
Inventors: 韩飚; 潘冬钟
Original assignee: Hangzhou Jinda Hardware Manufacturing Co ltd
Current assignee: Hangzhou Jinda Hardware Manufacturing Co ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-09-02
Anticipated expiration: 2032-06-02

Abstract

The utility model relates to a seat apparatus technical field's a seat chassis with plug-in locking function, including the locking box, locking box upside is equipped with the connecting plate, the connecting plate is fixed through locking bolt and locking box upper surface locking, the connecting plate passes through loose axle and back fishplate bar and regulating plate swing joint, back fishplate bar and regulating plate formula structure as an organic whole, locking box internal portion is equipped with the spring channel way. Compared with the prior art, through the butt joint channel that sets up, the plug through-hole, regulating plate and plug pin, the device of being convenient for is in the use, when the staff lies backward, the regulating plate uses the loose axle as the centre of a circle, make butt joint trip activity from top to bottom in the butt joint channel, according to required position, insert the plug pin, it is fixed to form locking, make the regulation of seat more convenient, and the plug through-hole is equipped with the multiunit, it is complicated to have solved traditional seat chassis and adjusted, the problem that the gear is few.

Description

Seat chassis with plug-in locking function

Technical Field

The utility model relates to a seat apparatus technical field especially relates to a seat chassis with plug-in locking function.

Background

In order to relieve waist discomfort caused by long-time upright leaning and sitting of consumers, bring better consumption experience for the consumers and enable the consumers to sit more comfortably, the swivel chair backrests of some swivel chairs on the market can usually be adjusted in a pitching mode with a proper angle, and the swivel chair chassis is a part which is arranged on the swivel chair backrests and enables the swivel chair backrests to complete the pitching action. The swivel chair chassis is only locked by one gear in the most original time, consumers cannot select multiple gears for pitching according to own requirements, and the multi-gear adjustable swivel chair chassis locking the locking piece by friction is slowly evolved to adapt to market requirements. However, the friction locking has the disadvantages of easy failure and excessive friction sound when the gear shift is locked.

The plug-in locking is reliable in structure, convenient to operate and free of excessive friction sound, so that the problems are solved, and therefore the seat chassis with the plug-in locking function is provided.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, the utility model provides a seat chassis with plug-in locking function has the gear many, the characteristics of the structure is reliable, and the quick convenient adjustment seat of the staff of being convenient for has solved the poor problem of traditional seat convenience.

The technical scheme of the utility model is that:

a seat chassis with a plug-in locking function comprises a locking box body, a connecting plate is assembled at the upper side of the locking box body, the connecting plate is locked and fixed with the upper surface of the locking box body through a locking bolt, the connecting plate is movably connected with the backrest connecting plate and the adjusting plate through a movable shaft, the backrest connecting plate and the adjusting plate are of an integrated structure, a spring channel is assembled in the locking box body, a positioning block is assembled in the spring channel, a limiting block is assembled at the lower side of the positioning block, the limiting block is movably connected with the adjusting plate through a first spring, the lower end of the adjusting plate is provided with a plug transverse column, the two sides of the plug transverse column are respectively provided with a butt joint tenon, the insides of the two groups of butt joint tenons are provided with through holes, the locking box is internally provided with a butt joint channel, a plurality of groups of plug through holes are formed in the butt joint channel, and the locking box is internally provided with plug pins in a penetrating mode.

In a further technical scheme, the connecting plate symmetry is equipped with two sets ofly, and is two sets of the connecting plate all advances fixedly through locking bolt and locking box lock, two sets of adaptation grooves have been seted up to regulating plate inside, adaptation groove and spring channel looks adaptation, regulating plate surface assembly has the stopper.

In a further technical scheme, a bracket shell is assembled on the lower side of the locking box body, a second spring is assembled inside the bracket shell, a threaded butt joint block is assembled on the lower side of the second spring, limiting clamping blocks are assembled on two sides of the threaded butt joint block, two groups of slotted holes are symmetrically formed in the outer surface of the bracket shell, the limiting clamping blocks are arranged inside the slotted holes, and internal threads are formed inside the threaded butt joint block.

In a further technical scheme, splice plates are arranged on two sides of the locking box body, the plug pin penetrates through the butt joint clamping tenon, the plug transverse column and the corresponding plug through hole, and a handle is arranged on one side of the plug pin.

In a further technical scheme, the butt joint channel and the spring channel are both arc-shaped structures, and the circle centers of the butt joint channel and the spring channel are the same as the circle center of the movable shaft.

In a further technical scheme, bolt slotted holes are formed in the connecting plate, the locking box body and the backrest connecting plate, and the apertures of the plurality of groups of bolt slotted holes are the same.

In a further technical scheme, the plug transverse column and the butt joint clamping tenon are of an integrated structure, and the thread butt joint block and the limiting clamping block are of an integrated structure.

The beneficial effects of the utility model are that:

1. compared with the prior art, through the butt joint channel that sets up, plug through-hole, regulating plate and plug pin, the device of being convenient for is in the use, and the regulating plate uses the loose axle as the centre of a circle, and the arc is movable from top to bottom in the butt joint channel to the butt joint trip, according to required position, inserts the plug pin, and it is fixed to form locking for the regulation of seat is more convenient, and the plug through-hole is equipped with the multiunit, has solved traditional seat ground dish and has adjusted complicacy, the problem that the gear is few.

2. Compared with the prior art, through the locking bolt, back fishplate bar, butt joint channel, loose axle, regulating plate and the connecting plate that set up for the device is in the use, and is more smooth and easy to the regulation of seat, and butt joint channel and butt joint tenon looks adaptation and back fishplate bar and regulating plate formula structure as an organic whole's design, has improved the structural strength of this device, makes the seat chassis in the work of applicable various intensity.

Drawings

Fig. 1 is a side cross-sectional view of an embodiment of the invention;

FIG. 2 is a schematic structural diagram of a docking channel according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of an adjusting plate according to an embodiment of the present invention;

fig. 4 is a front view of an embodiment of the invention.

Description of reference numerals:

1. a connecting plate; 2. locking the bolt; 3. locking the box body; 4. a backrest connecting plate; 5. a movable shaft; 6. an adjusting plate; 7. positioning blocks; 8. a limiting block; 9. a first spring; 10. a spring channel; 11. plugging and pulling the transverse column; 12. Butting the clamping tenons; 13. a second spring; 14. a rack housing; 15. a thread butt-joint block; 16. a limiting clamping block; 17. a docking channel; 18. plugging and unplugging the through hole; 19. an adaptation groove; 20. inserting and pulling pins; 21. and (6) splicing plates.

Detailed Description

The embodiments of the present invention will be further explained with reference to the drawings.

Example (b):

as shown in figures 1-2, a seat chassis with plug-in locking function comprises a locking box body 3, a connecting plate 1 is assembled on the upper side of the locking box body 3, the connecting plate 1 is locked and fixed with the upper surface of the locking box body 3 through a locking bolt 2, the connecting plate 1 is movably connected with a backrest connecting plate 4 and an adjusting plate 6 through a movable shaft 5, the backrest connecting plate 4 and the adjusting plate 6 are of an integrated structure, a spring channel 10 is assembled in the locking box body 3, a positioning block 7 is assembled in the spring channel 10, a limiting block 8 is assembled on the lower side of the positioning block 7, the limiting block 8 is movably connected with the adjusting plate 6 through a first spring 9, a plug-in transverse column 11 is arranged at the lower end of the adjusting plate 6, butt joint tenons 12 are assembled on two sides of the plug-in transverse column 11, through holes are formed in two groups of the butt joint tenons 12, a butt joint channel 17 is assembled in the locking box body 3, a plurality of plug-in through holes 18 are formed in the butt joint channel 17, the locking box 3 is internally and penetratingly provided with a plug pin 20.

The working principle of the technical scheme is as follows:

at first, the plug pin 20 is taken out to the user of service, and lie after slowly, the back promotes back fishplate bar 4 clockwise rotation, back fishplate bar 4 drives regulating plate 6 clockwise rotation, 6 lower extreme butt joint tenon 12 of time are by supreme 17 inside removal in butt joint channel, when adjusting to suitable position, to insert plug pin 20 and run through the plug through-hole behind the inside through-hole of butt joint tenon 12, it is fixed to form the locking, and plug through-hole 18 is equipped with the multiunit, make the regulation of seat more convenient, it is complicated to have solved traditional seat tray regulation, the problem that the gear is few.

In another embodiment, as shown in fig. 1-3, two sets of connecting plates 1 are symmetrically assembled, two sets of connecting plates 1 are locked and fixed with a locking box 3 through locking bolts 2, two sets of adapting grooves 19 are formed in an adjusting plate 6, the adapting grooves 19 are adapted to spring channels 10, and a limiting block 8 is assembled on the surface of the adjusting plate 6.

At first correspond the assembly in butt joint channel 17 and spring channel 10 with regulating plate 6 after, then assemble two sets of butt joint boards in locking box 3 upside respectively through locking bolt 2, stopper 8 of regulating plate 6 surface assembly and stopper 8 of locating piece 7 downside can effectively fix first spring 9, when plug pin 20 does not form the locking with butt joint tenon 12, first spring 9 can promote regulating plate 6 and carry out anticlockwise rotation around loose axle 5, and then make back fishplate bar 4 drive backrest anticlockwise rotation, provide certain thrust for user's back, prevent to lead to accident too rapidly when lying down, the security of this device has further been improved.

In another embodiment, as shown in fig. 1, a bracket shell 14 is assembled on the lower side of the locking box 3, a second spring 13 is assembled inside the bracket shell 14, a threaded butt-joint block 15 is assembled on the lower side of the second spring 13, two sides of the threaded butt-joint block 15 are assembled with limiting fixture blocks 16, two sets of slotted holes are symmetrically formed in the outer surface of the bracket shell 14, the limiting fixture blocks 16 are arranged inside the slotted holes, and internal threads are formed inside the threaded butt-joint block 15.

The inside internal thread that is equipped with of thread butt joint piece 15, this internal thread of accessible is connected with external base connecting rod, and two sets of spacing fixture blocks 16 can restrict the position of thread butt joint piece 15, makes it closely laminate with second spring 13, and then provides the shock attenuation for locking box 3.

In another embodiment, as shown in fig. 2-3-4, splice plates 21 are provided on two sides of the locking box 3, a plug pin 20 penetrates through the butt joint tenon 12, the plug cross column 11 and the corresponding plug through hole 18, and a handle is provided on one side of the plug pin 20.

Splice plates 21 are arranged on the front side and the rear side of the locking box body 3, the splice plates 21 can be locked and fixed with the cushion through locking bolts 2, and the handle on one side of the plug pin 20 can enable operators to lock conveniently.

In another embodiment, as shown in fig. 1-2, the docking channel 17 and the spring channel 10 are both arc-shaped, and the center of the docking channel 17 and the center of the spring channel 10 are the same as the center of the movable shaft 5.

The circle centers of the butt joint channel 17 and the spring channel 10 are the same as the circle center of the movable shaft 5, so that the plugging slot hole of the butt joint channel 17 and the running track of the butt joint tenon 12 are synchronous.

In another embodiment, as shown in fig. 1-3, the connecting plate 1, the locking box 3 and the backrest connecting plate 4 are all provided with bolt slots therein, and the diameters of the bolt slots are the same.

Convenient installation can be implemented through the multiunit bolt slotted hole, and the aperture of multiunit bolt slotted hole is the same, has improved the part universal ratio of this device, has practiced thrift maintenance and installation cost.

In another embodiment, as shown in fig. 1, the plug cross post 11 and the abutting tenon 12 are of an integral structure, and the threaded abutting block 15 and the limiting block 16 are of an integral structure.

The structural strength of the device is enhanced by the design of multiple groups of integrated structures.

The above embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention.

Claims

1. The utility model provides a seat chassis with plug-in locking function, includes locking box (3), its characterized in that: the upper side of the locking box body (3) is provided with a connecting plate (1), the connecting plate (1) is locked and fixed with the upper surface of the locking box body (3) through a locking bolt (2), the connecting plate (1) is movably connected with a backrest connecting plate (4) and an adjusting plate (6) through a movable shaft (5), the backrest connecting plate (4) and the adjusting plate (6) are of an integrated structure, a spring channel (10) is arranged in the locking box body (3), a positioning block (7) is arranged in the spring channel (10), a limiting block (8) is arranged on the lower side of the positioning block (7), the limiting block (8) is movably connected with the adjusting plate (6) through a first spring (9), the lower end of the adjusting plate (6) is provided with a plug transverse column (11), the two sides of the plug transverse column (11) are respectively provided with a butt joint tenon (12), and through holes are formed in the two sets of the butt joint tenons (12), locking box (3) inside is equipped with butt joint channel (17), multiunit plug through-hole (18) have been seted up to butt joint channel (17) inside, locking box (3) inside runs through to be equipped with plug pin (20).

2. A seat pan with plug-in locking function as claimed in claim 1, wherein: connecting plate (1) symmetry is equipped with two sets ofly, and is two sets of connecting plate (1) all locks through locking bolt (2) and locking box (3) and advances fixedly, two sets of adaptation grooves (19) have been seted up to regulating plate (6) inside, adaptation groove (19) and spring channel way (10) looks adaptation, regulating plate (6) surface is equipped with stopper (8).

3. A seat pan with plug-in locking function according to claim 1, characterized in that: locking box (3) downside is equipped with support shell (14), support shell (14) internal assembly has second spring (13), second spring (13) downside is equipped with screw thread butt joint piece (15), screw thread butt joint piece (15) both sides are equipped with spacing fixture block (16), two sets of slotted holes have been seted up to support shell (14) surface symmetry, spacing fixture block (16) set up inside the slotted hole, screw thread butt joint piece (15) inside is equipped with the internal thread.

4. A seat pan with plug-in locking function according to claim 2, characterized in that: the locking box body (3) both sides are equipped with splice plate (21), plug pin (20) run through butt joint tenon (12), plug spreader (11) and corresponding plug through-hole (18), plug pin (20) one side is equipped with the handle.

5. A seat pan with plug-in locking function according to claim 1, characterized in that: the butt joint channel (17) and the spring channel (10) are both arc-shaped structures, and the circle centers of the butt joint channel (17) and the spring channel (10) are the same as the circle center of the movable shaft (5).

6. A seat pan with plug-in locking function according to claim 1, characterized in that: bolt slotted holes are formed in the connecting plate (1), the locking box body (3) and the backrest connecting plate (4), and the apertures of the plurality of groups of bolt slotted holes are the same.

7. A seat pan with plug-in locking function according to claim 3, characterized in that: plug spreader (11) and butt joint tenon (12) formula structure as an organic whole, screw thread butt joint piece (15) and spacing fixture block (16) formula structure as an organic whole.