CN215752048U - Front and back independent lifting seat framework - Google Patents

Abstract

The utility model discloses a seat framework capable of independently lifting front and back, which comprises a backrest assembly, wherein two sides of the backrest assembly are respectively rotatably connected with seat cushion side plates, the two seat cushion side plates are fixedly connected together through a fixed rod, seat basins are arranged on the two seat cushion side plates, lower seat cushion mounting supports are arranged at the bottoms of the two seat cushion side plates, and the bottoms of the lower seat cushion mounting supports are connected with a slide way assembly. When the other end of the front and rear lifting adjusting handle is under the condition of no stress, the bulges on the front and rear lifting adjusting handle are always clamped in the tooth grooves of the front and rear lifting toothed plates through the handle reset tension spring. The utility model simplifies the structure by changing the prior lifting structure at the front side and the rear side into the matching of the lifting adjusting handle and the lifting toothed plate, and the structure is simpler and can be obtained by self-processing, so the production cost is relatively lower.

Description

Front and back independent lifting seat framework

Technical Field

The utility model relates to a seat framework capable of independently lifting front and back, belonging to the technical field of automobile parts.

Background

The current automobiles are various, the automobile seats in the automobiles are also various according to the types of different automobiles, and the requirements of customers are not changed. The general automobile seat is a single lifting structure for controlling the whole seat to lift up and down, and the automobile seat of a truck or other large-sized vehicles is controlled by a front lifting structure and a rear lifting structure for controlling the seat to lift up and down respectively. However, the existing seat capable of controlling the lifting forwards and backwards is complex in control structure, complex in operation and inconvenient for operators to use.

Disclosure of Invention

The technical problem to be solved by the utility model is as follows: how to simplify the lifting structure on the seat and simplify the operation steps.

In order to solve the technical problem, the technical scheme of the utility model provides a seat framework capable of independently lifting front and back, which is characterized by comprising a backrest assembly, wherein two sides of the backrest assembly are respectively rotatably connected with seat cushion side plates, the two seat cushion side plates are fixedly connected together through a fixing rod, seat basins are arranged on the two seat cushion side plates, seat cushion lower mounting supports are arranged at the bottoms of the two seat cushion side plates, and the bottoms of the seat cushion lower mounting supports are connected with a slide way assembly; waist-shaped holes are respectively arranged on two sides of the front end of the seat cushion lower mounting bracket, front lifting linkage pipes capable of sliding in the waist-shaped holes are arranged in the waist-shaped holes on two sides of the seat cushion lower mounting bracket, two ends of each front lifting linkage pipe are respectively fixedly connected with one end of a first connecting rod and one end of a front lifting toothed plate, the other ends of the first connecting rods and the other ends of the front lifting toothed plates are respectively rotatably connected with two seat cushion side plates, two sides of the rear end of the seat cushion lower mounting bracket are respectively rotatably connected with two ends of a rear lifting linkage pipe, two ends of the rear lifting linkage pipe are respectively fixedly connected with one end of a second connecting rod and one end of a rear lifting toothed plate, the other ends of the second connecting rod and the other end of the rear lifting toothed plate are respectively rotatably connected with two seat cushion side plates, the seat cushion side plates are respectively rotatably connected with one side of one end of a front lifting adjusting handle and one end of a rear lifting adjusting handle through two handle rotating rivets, the opposite side of preceding lift adjustment handle one end and the opposite side of back lift adjustment handle one end all are equipped with the arch, it is downthehole that the arc of seatpad sideboard is located respectively to two archs, and can slide in the arc, be close to bellied position on the preceding lift adjustment handle and be connected with the one end of handle extension spring that resets respectively near bellied position on the back lift adjustment handle, the other end of handle extension spring that resets is fixed on the seatpad sideboard, the one end of preceding lift linkage pipe and the one end fixed connection of preceding lift helping hand torsional spring, the one end of back lift linkage pipe and the one end fixed connection of back lift helping hand torsional spring, the other end of preceding lift helping hand torsional spring and the other end of back lift helping hand torsional spring are all fixed on the seatpad sideboard.

Preferably, when the other end of the front lifting adjusting handle is not stressed, the bulge on the front lifting adjusting handle is always clamped in the tooth groove of the front lifting toothed plate through the handle return tension spring; when the other end of the rear lifting adjusting handle is under the condition of no stress, the bulge on the rear lifting adjusting handle is always clamped in the tooth groove of the rear lifting toothed plate through the handle reset tension spring.

Compared with the prior art, the utility model has the following advantages:

the utility model simplifies the structure by changing the prior lifting structure at the front side and the rear side into the matching of the lifting adjusting handle and the lifting toothed plate, and the structure is simpler and can be obtained by self-processing, so the production cost is relatively lower.

Drawings

FIG. 1 is a schematic structural view of a front and rear independently liftable seat frame;

FIG. 2 is a partial schematic view of a front and rear independently liftable seat frame;

fig. 3 is a side view of fig. 2.

Detailed Description

In order to make the utility model more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.

The utility model provides a seat framework capable of independently lifting front and back, which comprises a backrest assembly 1, wherein two sides of the backrest assembly 1 are respectively rotatably connected with seat cushion side plates 5, seat basins 2 are arranged on the two seat cushion side plates 5, lower seat cushion mounting supports 4 are arranged at the bottoms of the two seat cushion side plates 5, the bottoms of the lower seat cushion mounting supports 4 are connected with a slideway assembly 3, waist-shaped holes are formed in two sides of the front end of each lower seat cushion mounting support 4, front lifting linkage pipes 10 are arranged in the waist-shaped holes in the two sides of each lower seat cushion mounting support 4, and the front lifting linkage pipes 10 can slide in the waist-shaped holes. The both ends of preceding lift linkage pipe 10 respectively with the one end of head rod and the one end fixed connection of preceding lifting tooth plate 8, the other end of head rod and the other end of preceding lifting tooth plate 8 respectively with two seatpad sideboard 5 through swing joint, the other end of head rod and the other end of preceding lifting tooth plate 8 can rotate on seatpad sideboard 5 promptly. The both sides of installing support 4 rear end under the seatpad are swing joint with the both ends of back lift linkage pipe 11, the tip of back lift linkage pipe 11 can rotate round the one end of back lift linkage pipe 11 and the lower installing support 4 junction of seatpad, the both ends of back lift linkage pipe 11 respectively with the one end of second connecting rod and the one end fixed connection of back lift pinion rack 9, the other end of second connecting rod and the other end of back lift pinion rack 9 pass through swing joint with two seatpad sideboard 5 respectively, the other end of second connecting rod and the other end of back lift pinion rack 9 can rotate on seatpad sideboard 5 promptly. Seat cushion sideboard 5 rotates through two handles rivet 12 and is connected with one side of preceding lift adjustment handle 6 one end and one side of back lift adjustment handle 7 one end respectively, the opposite side of preceding lift adjustment handle 6 one end and the opposite side of back lift adjustment handle 7 one end all are equipped with the arch, the arc that seat cushion sideboard 5 was located respectively to two archs is downthehole, and can slide in the arc, be close to bellied position on preceding lift adjustment handle 6 and be close to bellied position on the back lift adjustment handle 7 and be connected with the one end of handle extension spring 14 that resets respectively, the other end of handle extension spring 14 that resets is fixed on extension spring support 15, extension spring support 15 is fixed on seat cushion sideboard 5. One end of the front lifting linkage pipe 10 is fixedly connected with one end of the front lifting power-assisted torsion spring 16, one end of the rear lifting linkage pipe 11 is fixedly connected with one end of the rear lifting power-assisted torsion spring 17, and the other end of the rear lifting power-assisted torsion spring 17 is fixed on the cushion side plate 5. The front lifting assisting torsion spring 16 and the rear lifting assisting torsion spring 17 respectively apply an upward supporting force to the front lifting toothed plate 8 and the rear lifting toothed plate 9.

Through handle extension spring 14 that resets for under the condition that does not have the atress of preceding lift adjustment handle 6 other end, the arch on preceding lift adjustment handle 6 blocks in the tooth's socket of preceding lifting tooth plate 8 all the time, makes under the condition that does not have the atress of back lift adjustment handle 7 other end, and the arch on back lift adjustment handle 7 blocks in the tooth's socket of back lifting tooth plate 9 all the time. The two cushion side plates 5 are fixedly connected together through a fixing rod.

When the seat framework is used, if the lifting of the front end of the seat is required to be adjusted, the other end of the front lifting adjusting handle 6 is lifted, so that the bulge on the front lifting adjusting handle 6 overcomes the pulling force of the handle reset tension spring 14 to do work, the bulge slides in the arc-shaped hole and leaves the tooth groove of the front lifting toothed plate 8, at the moment, the lifting of the front end of the seat can be controlled, and then the hand is released, so that the bulge on the front lifting adjusting handle 6 is clamped in the tooth groove of the front lifting toothed plate 8 again under the pulling force action of the handle reset tension spring 14.

If the lift of seat rear end needs to be adjusted, mention the other end of back lift adjustment handle 7, make the pull work of handle extension spring 14 that resets is overcome to the arch on the back lift adjustment handle 7, the arch slides in the arc hole, the tooth's socket of back lifting tooth plate 9 is left to the arch, at this moment, can control the lift of seat rear end, release after, make the arch on the back lift adjustment handle 7 pass through the pull effect of handle extension spring 14 that resets, card again in the tooth's socket of back lifting tooth plate 9.

Claims (2)

1. The front and back independent lifting seat framework is characterized by comprising a backrest assembly (1), wherein two sides of the backrest assembly (1) are respectively rotatably connected with seat cushion side plates (5), the two seat cushion side plates (5) are fixedly connected together through a fixing rod, seat basins (2) are arranged on the two seat cushion side plates (5), seat cushion lower mounting supports (4) are arranged at the bottoms of the two seat cushion side plates (5), and the bottoms of the seat cushion lower mounting supports (4) are connected with a slide assembly (3); waist-shaped holes are formed in the two sides of the front end of the seat cushion lower mounting support (4), front lifting linkage pipes (10) capable of sliding in the waist-shaped holes are arranged in the waist-shaped holes in the two sides of the seat cushion lower mounting support (4), the two ends of the front lifting linkage pipes (10) are fixedly connected with one end of a first connecting rod and one end of a front lifting toothed plate (8) respectively, the other ends of the first connecting rod and the front lifting toothed plate (8) are rotatably connected with the two seat cushion side plates (5) respectively, the two sides of the rear end of the seat cushion lower mounting support (4) are rotatably connected with the two ends of a rear lifting linkage pipe (11), the two ends of the rear lifting linkage pipe (11) are fixedly connected with one end of a second connecting rod and one end of a rear lifting toothed plate (9) respectively, the other end of the second connecting rod and the other end of the rear lifting toothed plate (9) are rotatably connected with the two seat cushion side plates (5) respectively, the seat cushion side plate (5) is respectively and rotatably connected with one side of one end of the front lifting adjusting handle (6) and one side of one end of the rear lifting adjusting handle (7) through two handle rotating rivets (12), the other side of one end of the front lifting adjusting handle (6) and the other side of one end of the rear lifting adjusting handle (7) are respectively provided with a bulge, the two bulges are respectively arranged in an arc hole of the seat cushion side plate (5) and can slide in the arc hole, the position on the front lifting adjusting handle (6) close to the bulge and the position on the rear lifting adjusting handle (7) close to the bulge are respectively connected with one end of a handle resetting tension spring (14), the other end of the handle resetting tension spring (14) is fixed on the seat cushion side plate (5), one end of the front lifting linkage pipe (10) is fixedly connected with one end of the front lifting power-assisting torsion spring (16), one end of the rear lifting linkage pipe (11) is fixedly connected with one end of the rear lifting power-assisting torsion spring (17), the other end of the front lifting power-assisted torsion spring (16) and the other end of the rear lifting power-assisted torsion spring (17) are both fixed on the cushion side plate (5).

2. The front and rear independent lifting seat frame as claimed in claim 1, wherein when the other end of the front lifting adjusting handle (6) is not stressed, the bulge on the front lifting adjusting handle (6) is always clamped in the tooth groove of the front lifting toothed plate (8) through the handle return tension spring (14); when the other end of the rear lifting adjusting handle (7) is not stressed, the bulge on the rear lifting adjusting handle (7) is always clamped in the tooth groove of the rear lifting toothed plate (9) through the handle return tension spring (14).

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