CN211065793U

CN211065793U - Drive-by-wire seat chassis

Info

Publication number: CN211065793U
Application number: CN201921285590.1U
Authority: CN
Inventors: 唐金华; 康军
Original assignee: Anji Shanye Home Co ltd
Current assignee: Anji Shanye Home Co ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-07-24
Anticipated expiration: 2029-08-09

Abstract

The utility model discloses a drive-by-wire seat chassis, which adopts the technical proposal that the drive-by-wire seat chassis comprises a bracket and a sliding component connected with the bracket, wherein the sliding component comprises a horizontally arranged movable disk, a fixed disk matched with the movable disk and an adjustable positioning mechanism arranged between the fixed disk and the bracket, and the adjustable positioning mechanism is matched with the bracket; the fixed disc is provided with a locking mechanism which is respectively matched with the adjustable positioning mechanism and the movable disc. An object of the utility model is to provide an utilize seat of drive-by-wire back-and-forth movement's seat chassis of simple structure, high, the regulation convenient.

Description

Drive-by-wire seat chassis

Technical Field

The utility model belongs to the field of furniture, concretely relates to drive-by-wire seat chassis.

Background

The design of the seat is very important, and can directly influence the working efficiency and physical and mental health of a user, a seat chassis, also called a seat tray, is an important part arranged below a seat cushion, and the back of the existing seat can realize the inclination adjustment and the lifting of the seat, so that the user can rest and relax.

The existing seat chassis adjusting mode comprises the steps that the lifting of a seat is controlled through an air rod control structure, the angle between the seat and a backrest is adjusted through an angle adjusting and positioning device, and the lifting of the seat is completed by adjusting the angle between the backrest and a cushion through the chassis. The existing chassis is complex in structure, more in parts, inconvenient to produce, use and adjust and incapable of adjusting the front-back distance to achieve comfort level.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an utilize seat back-and-forth movement's of drive-by-wire seat chassis that simple structure, precision are high, adjust convenient to exist to prior art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a wire-controlled seat chassis comprises a bracket and a sliding assembly connected to the bracket, wherein the sliding assembly comprises a horizontally arranged movable disc, a fixed disc matched with the movable disc and an adjustable positioning mechanism arranged between the fixed disc and the bracket, and the adjustable positioning mechanism is matched with the bracket; the fixed disc is provided with a locking mechanism which is respectively matched with the adjustable positioning mechanism and the movable disc.

For the stability of removal, it is preferred that the fixed disk is parallel to the both sides of support and is equipped with first slide rail respectively, the bottom of moving disk both sides is equipped with the slider of cooperation first slide rail respectively, the slider pass through adjustable bolt and set up in the fixed disk upper end.

In order to better adjust the friction force of the movement, preferably, the upper end of the sliding block is provided with a supporting column.

In order to reduce the resistance, preferably, the two sides of the lower end of the sliding block are provided with convex rails matched with the movable disc.

For more conveniently adjusting adjustable positioning mechanism, it is preferable that adjustable positioning mechanism is slightly including setting up in the fixing base of the first slide rail lateral part of price fixing one side and the location of running through in the fixing base, be equipped with on the support with the location a plurality of jacks of adjusting of height slightly waiting, the location is connected to the application of force piece slightly.

In order to achieve an automatic operating effect, it is preferable that the positioning pin is slightly sleeved with a return spring.

In order to achieve the most suitable moving distance, preferably, the axial center distance of the insertion holes at the two extreme ends is not greater than the length of the first slide rail.

In order to keep the horizontal direction of locating pin, preferably, locking mechanical system is including being located the fixed lockplate that sets up of fixed plate between first slide rail and support, is equipped with the second slide rail on the movable plate that corresponds the lockplate, the lockplate runs through the second slide rail and be equipped with the location locking hole of slightly waiting highly, and the location passes fixing base, lockplate and support in proper order a little.

In order to improve the stability, preferably, the rear end of the support is connected with a support sleeve, the support is provided with a fastening rib connected with the support sleeve, and two ends of the support sleeve are symmetrically provided with spiral holes.

In order to prevent foreign matters such as dust from entering the device and prolong the service life, preferably, the force application member comprises a force application switch, a connecting member arranged on one side of the locking member, and a wire control pipe connecting the force application switch and the connecting member, the wire control pipe is sleeved with a first guide pipe penetrating through the third through hole and a second guide pipe connected between the first guide pipe and the force application switch, and a protective shell is arranged outside the force application switch.

The utility model has the advantages of that: the front and the back of the seat can be locked according to the requirements of people, so that the seat is more comfortable to use; the seat chassis has simple structure, safe use and good operation stability; the control switch for controlling the front and back adjustment and locking of the seat is formed by the wire control pipe and the force application part, so that the control operation is simpler, the adjustment precision is improved while the weight of the chassis is reduced, the sliding is smooth, the production process is simple, the cost is low, and the use is convenient.

Drawings

FIG. 1: is a schematic diagram of the utility model.

FIG. 2: is an enlarged schematic diagram of the position A of the utility model.

FIG. 3: is an enlarged schematic diagram of the slider of the utility model.

FIG. 4: is the side view of the utility model.

In the figure: 1. a support; 2. a movable plate; 3. fixing a disc; 4. a stent sleeve; 5. fastening ribs; 6. a first slide rail; 7. a slider; 8. an adjustable bolt; 9. a support pillar; 10. a raised rail; 11. a fixed seat; 12. positioning the tip; 13. a jack; 14. a helical bore; 15. a return spring; 16. a locking plate; 17. a second slide rail; 18. a protective shell; 19. a force application switch; 20. a connecting member; 21. controlling and managing wires; 22. a first conduit; 23. a second conduit.

Detailed Description

Referring to fig. 1 to 3, the wire-controlled seat chassis of the embodiment includes a bracket 1 and a sliding assembly connected to the bracket 1, where the sliding assembly includes a horizontally arranged movable disc 2, a fixed disc 3 matched with the movable disc 2, and an adjustable positioning mechanism arranged between the fixed disc 3 and the bracket 1, and the adjustable positioning mechanism is matched with the bracket 1; the fixed disc 3 is provided with a locking mechanism which is respectively matched with the adjustable positioning mechanism and the movable disc 2. Through the relative movement to movable disk 2 and fixed disk 3, drive the removal of support 1, can not increase under the condition of support 1 like this, increased the area of contact who moves, make the in-process of removing more stable like this. The area of driving disk 2 is less than the area of price fixing 3, and four angles of price fixing 3 all are equipped with the concave surface, all are equipped with the fixed orifices on the concave surface.

The fixed disc 3 is parallel to the two sides of the support 1 and is provided with a first sliding rail 6, the bottom parts of the two sides of the movable disc 2 are provided with sliding blocks 7 matched with the first sliding rails 6, and the sliding blocks 7 are arranged at the upper end of the fixed disc 3 through adjustable bolts 8. But adjusting bolt's spiral shell head setting at the lower extreme of fixed disk 3, the spiral shell body passes first slide rail 6, passes slider 7 and sliding tray in proper order, the diameter of spiral shell head is greater than the width of first slide rail 6, the diameter of the spiral shell body is less than the width of first slide rail 6, slider 7 symmetry one side still is equipped with adjustable bolt 8, the spiral shell body of this adjustable bolt 8 passes fixed disk 3 and driving disk 2 in proper order, set up four adjustable bolt 8 between fixed disk 3 and the driving disk 2, guaranteed gliding stability.

The upper end of slider 7 be equipped with support column 9, support column 9 be two, set up in adjustable bolt 8 one side together, play spacing effect when inseparable about adjusting.

And the two sides of the lower end of the sliding block 7 are matched with the movable disc 2 to be provided with convex rails 10. The convex rail 10 is sequentially convex, concave and convex, the two convex parts are arranged in a symmetrical circular arc mode, the top of the circular arc is in surface contact with the fixed disc 3, the circular arc is in contact with the fixed disc 3, the contact surface is reduced, the friction force is reduced, the adjustment is smooth, and the operation is easy.

The adjustable positioning mechanism comprises a fixed seat 11 arranged on the side part of the first sliding rail 6 on one side of the fixed disc 3 and a positioning pin 12 penetrating through the fixed seat 11, a plurality of adjustable insertion holes 13 with the same height as the positioning pin 12 are arranged on the support 1, and the positioning pin 12 is connected to the force application piece. One side of the front end of the bracket 1 is matched with the adjusting mechanism to be provided with transversely arranged jacks 13, and the number of the jacks 13 can be about 5. The bottom surface of the positioning seat is connected with the fixed disc 3 through two bolts.

The positioning pin 12 is sleeved with a return spring 15. The diameter of the coil of the return spring 15 is greater than the diameter of the first through hole so that the spring can abut against the inner wall of the second fixing member.

The axial center distance of the jacks 13 at the two extreme ends is not more than the length of the first slide rail 6.

The locking mechanism comprises a locking plate 16 which is positioned between a first slide rail 6 and the bracket 1 and is fixed on the fixed disc 3 and arranged upwards, a second slide rail 17 is arranged on the movable disc 2 corresponding to the locking plate 16, the locking plate 16 penetrates through the second slide rail 17 and is provided with a locking hole which is equal to the positioning pin 12 in height, and the positioning pin 12 sequentially penetrates through the fixed seat 11, the locking plate 16 and the bracket 1. The locking plate 16 may be a plate cut from the fixed plate 3, and the plate has one edge still connected to the fixed plate 3 and is bent at 90 degrees along the one edge, so that the use of materials is reduced and the fixation is also improved, and the locking plate 16 is provided with a locking hole at the same level as the locking hole. When the positioning pin 12 is separated from the insertion hole 13, the locking plate 16 can support the positioning pin, and the positioning pin 12 is always in a horizontal state, so that the positioning pin can be conveniently inserted into the insertion hole 13 next time.

The rear end of the support 1 is connected with a support sleeve 4, the support 1 is provided with a fastening rib 5 connected with the support sleeve 4, and two ends of the support sleeve 4 are symmetrically provided with spiral holes 14. The rear end of the support 1 is connected with a support sleeve 4, the support sleeve 4 is an elliptic cylindrical pipe, and the fastening ribs 5 improve the supporting force of the support frame.

The force application part comprises a force application switch 19, a connecting piece 20 arranged on one side of the positioning pin 12 and a line control pipe 21 for connecting the force application switch 19 and the connecting piece 20, a first guide pipe 22 penetrating through the third through hole and a second guide pipe 23 connected between the first guide pipe 22 and the force application switch 19 are sleeved outside the line control pipe 21, and a protective shell 18 is arranged outside the force application switch 19. The connecting piece 20 is fixed on one side of the positioning pin 12 through a bolt, and the outer diameter of the first guide pipe 22 is larger than the distance between the limiting blocks, so that the first guide pipe 22 can be better fixed in the third through hole, and automatic displacement cannot occur. The force application switch 19 is sleeved with a protective shell 18, two ends of the protective shell 18 are respectively provided with a lug, and each lug is provided with a fixing hole for fixing the force application switch 19.

Through adopting above-mentioned technical scheme, through adjustable bolt 8 upper and lower position, change the frictional resistance between slide and the second driving disk 2, realize the control to sliding speed, and support column 9 on the slider 7 has played spacing effect to adjusting position. When the position of the bracket 1 needs to be adjusted, the force application switch 19 is pressed down first, a control system connected with a wire control tube 21 is arranged in the force application switch 19, the wire control tube 21 is pulled outwards by the control system, the wire control tube 21 drives a connecting piece 20 fixed on one side of a positioning tip 12 to be outward, the positioning tip 12 inserted into the jack 13 moves outwards along with the connecting piece 20, the positioning tip 12 is separated from the jack 13, the positioning tip 12 is prevented from falling off due to a locking hole in a locking plate 16, the positioning tip 12 is always in a horizontal state, therefore, the positioning tip 12 can be better aligned with the jack 13, a reset spring 15 is also extruded, then the movable disc 2 is slid to a set position, the force application switch 19 is loosened after the position is determined, and the compressed reset spring 15 pushes the positioning tip 12 to move inwards to push the corresponding jack 13, so that the position adjustment of.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A drive-by-wire seat chassis which is characterized in that: the device comprises a support (1) and a sliding assembly connected to the support (1), wherein the sliding assembly comprises a movable disc (2) horizontally arranged, a fixed disc (3) matched with the movable disc (2) and an adjustable positioning mechanism arranged between the fixed disc (3) and the support (1), and the adjustable positioning mechanism is matched with the support (1); the fixed disc (3) is provided with a locking mechanism which is respectively matched with the adjustable positioning mechanism and the movable disc (2).

2. A wire controlled seat pan as defined in claim 1, wherein: the fixed disc (3) is parallel to the two sides of the support (1) and is provided with a first sliding rail (6) respectively, the bottom parts of the two sides of the movable disc (2) are provided with sliding blocks (7) matched with the first sliding rails (6) respectively, and the sliding blocks (7) are arranged at the upper end of the fixed disc (3) through adjustable bolts (8).

3. A wire controlled seat pan as defined in claim 2, wherein: and a support column (9) is arranged at the upper end of the sliding block (7).

4. A wire controlled seat pan as defined in claim 2, wherein: and the two sides of the lower end of the sliding block (7) are matched with the movable disc (2) and are provided with convex rails (10).

5. A wire controlled seat pan as defined in claim 1, wherein: the adjustable positioning mechanism comprises a fixed seat (11) arranged on the side part of the first sliding rail (6) on one side of the fixed disc (3) and a positioning pin (12) penetrating through the fixed seat (11), a plurality of adjustable insertion holes (13) with the same height as the positioning pin (12) are formed in the support (1), and the positioning pin (12) is connected to the force application piece.

6. A wire controlled seat pan as claimed in claim 5, wherein: the positioning pin (12) is sleeved with a return spring (15).

7. A wire controlled seat pan as claimed in claim 5, wherein: the axial center distance of the insertion holes (13) at the two extreme ends is not more than the length of the first slide rail (6).

8. A wire controlled seat pan as claimed in claim 5, wherein: the force application part comprises a force application switch (19), a connecting piece (20) arranged on one side of the positioning pin (12) and a line control pipe (21) connected with the force application switch (19) and the connecting piece (20), a first guide pipe (22) penetrating through the third through hole and a second guide pipe (23) connected between the first guide pipe (22) and the force application switch (19) are sleeved outside the line control pipe (21), and a protective shell (18) is arranged outside the force application switch (19).

9. A wire controlled seat pan as defined in claim 1, wherein: the locking mechanism comprises a locking plate (16) which is positioned between a first sliding rail (6) and a support (1) and is fixed by a fixed plate (3) and arranged upwards, a second sliding rail (17) is arranged on a movable plate (2) corresponding to the locking plate (16), the locking plate (16) penetrates through the second sliding rail (17) and is provided with a locking hole which is equal to the positioning height of a small part (12), and the positioning height of the small part (12) penetrates through a fixed seat (11), the locking plate (16) and the support (1) in sequence.

10. A wire controlled seat pan as defined in claim 1, wherein: the rear end of the support (1) is connected with a support sleeve (4), the support (1) is provided with a fastening rib (5) connected with the support sleeve (4), and two ends of the support sleeve (4) are symmetrically provided with spiral holes (14).