Seat chassis mechanism

Abstract

The utility model discloses a seat chassis mechanism, which relates to the field of seats, and comprises a chassis main body arranged on the upper side of a bearing plate, and further comprises an inserting ring plate, the lower end of the inserting ring plate is fixedly connected with a limiting ring, and the lower surface of the bearing plate is fixedly connected with a fixed groove shell close to the corner position. Sliding columns are slidably mounted in the four sets of fixing groove shells, clamping blocks are fixedly connected to one ends of the four sets of sliding columns, handles are fixedly connected to the lower surfaces of the four sets of sliding columns, a bearing seat is clamped to the lower side of the bearing plate, the section of an insertion ring plate is circular, and the insertion ring plate is fixedly connected to the lower surface of the chassis body. The insertion ring plate is positioned on the inner side of the bearing plate; the quick mounting and dismounting device has the advantages that the quick mounting and dismounting function of the chassis is realized, a large number of bolts are not needed in the mounting and dismounting process, the mounting and dismounting efficiency is remarkably improved, a convenient adjusting function is realized, and the flexibility of the seat is improved.

Description

Technical Field

[0001] The utility model relates to the field of seats, in particular to a seat chassis mechanism. Background Art

[0002] Seat pans are mechanical structures used to support and adjust seats, and are commonly used in vehicles such as cars, airplanes, and trains, as well as in various types of seats such as office chairs. Seat pans are usually made up of a variety of components, including a base, pillars, adjustment devices, and tracks.

[0003] After searching, the patent number is CN218246434U, which discloses a chassis mechanism and a seat. Through the chassis mechanism, the seat back can obtain stable support at multiple reclining angles to meet the use requirements. However, the existing seat chassis mechanism usually requires the use of more bolts when installing it with the bearing seat, and the installation process is relatively cumbersome and complicated, which makes the chassis installation efficiency relatively low. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a seat chassis mechanism. When the existing seat chassis mechanism is installed with a bearing seat, a large number of bolts are usually required, and the installation process is relatively cumbersome and complicated, thereby making the installation efficiency of the chassis relatively low.

[0005] In order to solve the above technical problems, the technical solution of the utility model is a seat chassis mechanism, including a chassis main body arranged on the upper side of a bearing plate, and also including a plug-in ring plate, the lower end of the plug-in ring plate is fixedly connected to a limiting ring, the lower surface of the bearing plate is fixedly connected to a fixed groove shell near the corner position, four groups of sliding columns are slidably installed inside the fixed groove shells, one end of the four groups of sliding columns are fixedly connected to a clamping block, the lower surface of the four groups of sliding columns are fixedly connected to a handle, and the lower side of the bearing plate is clamped with a bearing seat.

[0006] As a further solution of the utility model: the cross-sectional shape of the plug-in ring plate is set to be circular, and the plug-in ring plate is fixedly connected to the lower surface of the chassis body, and the plug-in ring plate is located on the inner side of the bearing plate.

[0007] As a further solution of the utility model: the cross-sectional shape of the limiting ring is L-shaped, the cross-sectional shape of the four groups of clamping blocks is U-shaped, and the four groups of clamping blocks are engaged with the limiting ring.

[0008] As a further solution of the utility model: column grooves are provided on the four groups of sliding columns, and compression springs are fixedly connected to the inner sides of the four groups of column grooves, and the four groups of compression springs are respectively fixedly connected to the four groups of fixed groove shells.

[0009] As a further solution of the utility model: a movable ring plate is fixedly connected to the lower surface of the chassis body, and a plurality of groups of rollers are rotatably installed at equal intervals on the lower side of the movable ring plate; two groups of limiting slide grooves are opened on the upper surface of the chassis body, and sliders are arranged on the inner sides of the two groups of limiting slide grooves; a connecting plate is fixedly connected to the upper sides of the two groups of sliders, and a fastening bolt is arranged through the middle position of the connecting plate.

[0010] As a further solution of the utility model: an annular groove is provided on the upper surface of the bearing plate, and the movable ring plate and a plurality of groups of rollers are located inside the annular groove.

[0011] As a further solution of the utility model: the inner sides of the two groups of limit sliding grooves are both clamped with limit rods, and the two groups of sliding blocks are respectively slidably connected to the two groups of limit rods.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the chassis body is initially installed on the upper side of the bearing plate through the cooperation of the plug-in ring plate and the bearing plate, and then the sliding connection between the sliding column and the fixed groove shell cooperates with the compression spring in the column groove so that the four groups of blocks are all engaged with the limit ring to limit the relative position of the chassis body and the bearing plate, thereby realizing the rapid disassembly and assembly function of the chassis, and the disassembly and assembly process does not require the use of a large number of bolts, which significantly improves the disassembly and assembly efficiency.

[0013] Compared with the prior art, the beneficial effect of the utility model is that the chassis body is rotated on the upper side of the load-bearing plate by means of the movable ring plate and several groups of rollers in cooperation with the annular groove, at which time the plug-in ring plate is able to rotate on the inner side of the load-bearing plate, and then the connecting plate is made to slide on the upper side of the chassis body by means of the sliding connection between the limit rod and the slider in cooperation with the limit groove, which has a convenient adjustment function and improves the flexibility of the seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of a seat chassis mechanism in an embodiment of the utility model;

[0015] Figure 2 This is a schematic diagram of the distribution structure of the card blocks in the embodiment of the utility model;

[0016] Figure 3 This is a schematic diagram of the connection structure between the chassis body and the load-bearing plate in the embodiment of the utility model;

[0017] Figure 4 It is a schematic diagram of the connection structure between the chassis body and the connecting plate in an embodiment of the utility model.

[0018] In the figure: 1. chassis body; 2. bearing plate; 3. plug-in ring plate; 4. limiting ring; 5. fixed groove shell; 6. sliding column; 7. clamping block; 8. handle; 9. column groove; 10. compression spring; 11. bearing seat; 12. movable ring plate; 13. roller; 14. annular groove; 15. limiting slide groove; 16. limiting rod; 17. slider; 18. connecting plate; 19. fastening bolt. DETAILED DESCRIPTION

[0019] The specific implementation methods of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these implementation methods is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in each implementation method of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0020] Example 1, please refer to Figure 1-Figure 4 A seat chassis mechanism includes a chassis body 1 arranged on the upper side of a bearing plate 2, and also includes a plug-in ring plate 3, the lower end of the plug-in ring plate 3 is fixedly connected to a limit ring 4, the lower surface of the bearing plate 2 is fixedly connected to a fixed groove shell 5 near the corner position, four groups of fixed groove shells 5 are slidably installed inside with sliding columns 6, one end of the four groups of sliding columns 6 is fixedly connected to a clamping block 7, the lower surface of the four groups of sliding columns 6 is fixedly connected to a handle 8, and the lower side of the bearing plate 2 is clamped with a bearing seat 11.

[0021] The cross-sectional shape of the plug-in ring plate 3 is circular, and the plug-in ring plate 3 is fixedly connected to the lower surface of the chassis body 1 , and the plug-in ring plate 3 is located on the inner side of the bearing plate 2 .

[0022] In this embodiment, the chassis body 1 is installed on the upper side of the carrying plate 2 by inserting the ring plate 3 .

[0023] The cross-sectional shape of the limit ring 4 is L-shaped, the cross-sectional shape of the four groups of clamping blocks 7 is U-shaped, and the four groups of clamping blocks 7 are engaged with the limit ring 4, the four groups of sliding columns 6 are provided with column grooves 9, and the inner sides of the four groups of column grooves 9 are fixedly connected with compression springs 10, and the four groups of compression springs 10 are respectively fixedly connected to the four groups of fixed groove shells 5.

[0024] In this embodiment, the sliding connection between the sliding column 6 and the fixed groove shell 5 cooperates with the compression spring 10 so that the clamping block 7 is engaged with the limiting ring 4 .

[0025] Specifically, the chassis body 1 is initially installed on the upper side of the bearing plate 2 through the cooperation of the plug-in ring plate 3 and the bearing plate 2, and then the sliding connection between the sliding column 6 and the fixed groove shell 5 cooperates with the compression spring 10 in the column groove 9 so that the four groups of blocks 7 are all engaged with the limit ring 4 to limit the relative position of the chassis body 1 and the bearing plate 2, thereby realizing the rapid disassembly and assembly function of the chassis. The disassembly and assembly process does not require the use of a large number of bolts, which significantly improves the disassembly and assembly efficiency.

[0026] Example 2, please refer to Figure 1-Figure 4 A seat chassis mechanism, a movable ring plate 12 is fixedly connected to the lower surface of the chassis body 1, and a plurality of groups of rollers 13 are rotatably installed at equal intervals on the lower side of the movable ring plate 12, and two groups of limiting slide grooves 15 are opened on the upper surface of the chassis body 1, and sliders 17 are arranged on the inner sides of the two groups of limiting slide grooves 15, and a connecting plate 18 is fixedly connected to the upper side of the two groups of sliders 17, and a fastening bolt 19 is arranged through the middle position of the connecting plate 18.

[0027] An annular groove 14 is formed on the upper surface of the carrying plate 2 , and the movable ring plate 12 and a plurality of groups of rollers 13 are located inside the annular groove 14 .

[0028] In this embodiment, the chassis body 1 is rotated on the upper side of the carrying plate 2 by means of the movable ring plate 12 and a plurality of groups of rollers 13 cooperating with the annular groove 14 .

[0029] The inner sides of the two groups of limiting sliding grooves 15 are both clamped with limiting rods 16 , and the two groups of sliding blocks 17 are slidably connected to the two groups of limiting rods 16 respectively.

[0030] In this embodiment, two groups of limiting rods and two groups of sliding blocks cooperate with two groups of limiting sliding grooves to facilitate the movement of the connecting plate.

[0031] Specifically, the chassis body 1 is rotated on the upper side of the bearing plate 2 by means of the movable ring plate 12 and several groups of rollers 13 in cooperation with the annular groove 14. At this time, the plug-in ring plate 3 is able to rotate on the inner side of the bearing plate 2. Then, the limiting rod 16 and the sliding connection of the slider 17 are cooperated with the limiting slide groove 15 to allow the connecting plate 18 to slide on the upper side of the chassis body 1. This has a convenient adjustment function and improves the flexibility of the seat.

[0032] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments are made without departing from the principles and spirit of the present invention, and still fall within the scope of protection of the present invention.

Claims

1. A seat chassis mechanism, comprising a chassis body (1) arranged on the upper side of a bearing plate (2), characterized in that: It also includes a plug-in ring plate (3), the lower end of which is fixedly connected to a limiting ring (4), the lower surface of the bearing plate (2) is fixedly connected to a fixed groove shell (5) near the corner position, four groups of fixed groove shells (5) are slidably installed inside, one end of the four groups of sliding columns (6) is fixedly connected to a clamping block (7), the lower surface of the four groups of sliding columns (6) is fixedly connected to a handle (8), and the lower side of the bearing plate (2) is clamped with a bearing seat (11).

2. A seat chassis mechanism according to claim 1, characterized in that: The cross-sectional shape of the plug-in ring plate (3) is circular, and the plug-in ring plate (3) is fixedly connected to the lower surface of the chassis body (1), and the plug-in ring plate (3) is located on the inner side of the bearing plate (2).

3. A seat chassis mechanism according to claim 1, characterized in that: The cross-sectional shape of the limiting ring (4) is all L-shaped, the cross-sectional shape of the four groups of clamping blocks (7) is all U-shaped, and the four groups of clamping blocks (7) are all engaged with the limiting ring (4).

4. A seat chassis mechanism according to claim 1, characterized in that: The four groups of sliding columns (6) are all provided with column grooves (9), and the inner sides of the four groups of column grooves (9) are all fixedly connected with compression springs (10), and the four groups of compression springs (10) are respectively fixedly connected to the four groups of fixed groove shells (5).

5. A seat chassis mechanism according to claim 1, characterized in that: A movable ring plate (12) is fixedly connected to the lower surface of the chassis body (1), and a plurality of groups of rollers (13) are rotatably mounted at equal intervals on the lower side of the movable ring plate (12). Two groups of limiting slide grooves (15) are provided on the upper surface of the chassis body (1), and sliders (17) are provided on the inner sides of the two groups of limiting slide grooves (15). A connecting plate (18) is fixedly connected to the upper sides of the two groups of sliders (17), and a fastening bolt (19) is provided through the middle position of the connecting plate (18).

6. A seat chassis mechanism according to claim 5, characterized in that: An annular groove (14) is provided on the upper surface of the bearing plate (2), and the movable ring plate (12) and a plurality of groups of rollers (13) are located inside the annular groove (14).

7. A seat chassis mechanism according to claim 5, characterized in that: The inner sides of the two groups of limiting sliding grooves (15) are both clamped with limiting rods (16), and the two groups of sliding blocks (17) are respectively slidably connected to the two groups of limiting rods (16).

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