A turntable mechanism for rotating seats at small angles in cars

Abstract

The present invention belongs to the technical field of automobile rotating seats, and specifically relates to a turntable mechanism applied to a small-angle rotating seat for a vehicle; wherein the four corners of the turntable body are provided with turntable curved surface grooves, the T-shaped reinforcing gasket passes through the turntable curved surface groove and is matched with the turntable body, the T-shaped reinforcing gasket is provided with two positioning pins, the positioning pins pass through the turntable and the reinforcing gasket buckle cover, the reinforcing gasket buckle cover is buckled on the T-shaped reinforcing gasket at the bottom of the turntable body, a self-lubricating sleeve with a sliding sleeve curved surface groove inside is placed in the matching curved surface groove, and the T-shaped reinforcing gasket, the turntable body and the reinforcing gasket buckle cover are assembled together by welding; the present invention adopts a curved surface groove for rotation, and adopts a T-shaped gasket and a curved surface groove for matching, without the need to additionally deal with the burr problem, thereby reducing the production cost and the requirements for the welding process accuracy, and improving the robustness and reliability of the seat.

Description

Technical Field

[0001] The invention belongs to the technical field of automobile rotating seats, and in particular relates to a turntable mechanism applied to a small-angle rotating seat for a vehicle. Background Art

[0002] The turntable used on the rotating seat in the existing car adopts a sandwich structure for the matching part of the turntable slide groove and the reinforcing gasket, which has high requirements on the surface roughness of the end face, needs to be processed for burrs, and improves the requirements for the welding process to ensure the contour of the matching surface, which ultimately leads to increased costs and high difficulty in manufacturing, while reducing the robustness and reliability of the rotation function. Summary of the invention

[0003] In order to overcome the above problems, the present invention provides a turntable mechanism for a small-angle rotating seat for a vehicle, which adopts a curved slide groove for rotation, and cooperates with a T-shaped washer and the curved slide groove. There is no need to additionally deal with the burr problem of the turntable and the washer, thereby reducing production costs and improving the robustness of the seat rotation function.

[0004] A turntable mechanism applied to a small-angle rotating seat for a vehicle comprises a turntable body 1, a T-shaped reinforcing washer 2, a reinforcing washer buckle cover 3, a self-lubricating sleeve 4 and a positioning pin 5, wherein turntable curved surface slide grooves 11 are respectively arranged at the four corners of the turntable body 1, the T-shaped reinforcing washer 2 passes through the turntable curved surface slide groove 11 and is matched on the turntable body 1, so that the upper outer wall of the matching curved surface groove 1 21 in the middle of the T-shaped reinforcing washer 2 fits with the inner wall of the turntable curved surface slide groove 11, the reinforcing washer buckle cover 3 is buckled on the T-shaped reinforcing washer 2 at the bottom of the turntable body 1, and the outer wall of the matching curved surface groove 2 31 in the middle of the reinforcing washer buckle cover 3 fits with the lower outer wall of the matching curved surface groove 1 21 in the middle of the T-shaped reinforcing washer 2, the self-lubricating sleeve 4 with a sliding sleeve curved surface groove 41 inside is sleeved in the matching curved surface slide groove 21, and the T-shaped reinforcing washer 2, the turntable body 1 and the reinforcing washer buckle cover 3 are assembled together by welding.

[0005] The top end of the self-lubricating sleeve 4 is turned outward, and the turn-up at the top end is matched with the T-shaped reinforcing washer 2 , and the bottom end of the self-lubricating sleeve 4 is turned outward, and the turn-up at the bottom end is matched with the T-shaped reinforcing washer 2 and the reinforcing washer buckle cover 3 .

[0006] A weight-reducing hole is provided in the middle of the turntable body 1 , and flanges with a height of more than 3 mm are provided on the inner and outer contour edges of the turntable body 1 , and reinforcing ribs are provided on the turntable body 1 .

[0007] The T-shaped reinforcing gasket 2 includes a top plate 22 and a column 23, wherein the column 23 is arranged at the bottom of the top plate 22, and a matching curved slide groove 21 is arranged in the top plate 22 and the column 23. Positioning pins 5 are respectively provided at both ends of the top plate 22. The positioning pins 5 pass through the small round holes of the top plate 22 and are welded to the top plate 22. The bottom of the positioning pins 5 then passes through the round holes on the turntable body 1 and the round holes on the reinforcing gasket buckle cover 3 in turn to realize the positioning of the T-shaped reinforcing gasket 2, the turntable body 1 and the reinforcing gasket buckle cover 3.

[0008] The upright column 23 of the T-shaped reinforcing washer 2 passes through the turntable curved surface slide groove 11 and is fitted on the turntable body 1 through the top plate 22 .

[0009] The thickness of the top plate 22 of the T-shaped reinforcing washer 2 must be no less than 3 mm.

[0010] The top plate 22 of the T-shaped reinforcing washer 2 is welded to the turntable body 1 along the outer end edge of the curved surface of the top plate 22 .

[0011] The reinforcing gasket buckle cover 3 is welded to the bottom of the turntable body 1 along the outer edge of its curved surface.

[0012] The trajectory lines of the turntable curved slide grooves 11 on the turntable body 1 are respectively the full-stroke motion trajectories of the guide pin shafts matched therewith on the turntable body 1 during the rotation of the turntable body 1.

[0013] Beneficial effects of the present invention:

[0014] The present invention can avoid tolerance accumulation caused by operations such as welding and assembly, avoid the cost increase caused by end face burr treatment, and significantly improve the cross-sectional quality. At the same time, when the mating parts are single parts, the precision is more controllable, reducing the manufacturing difficulty. The sliding action of the pin along the curved surface slide groove is more stable and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings used in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without creative work.

[0016] Figure 1 It is a structural schematic diagram of the present invention.

[0017] Figure 2 It is a schematic diagram of the decomposition structure of the present invention.

[0018] Figure 3 It is a schematic diagram of the structure of the turntable body of the present invention.

[0019] Figure 4 It is a partial structural cross-sectional schematic diagram of the present invention.

[0020] Figure 5 It is a schematic diagram of the T-shaped reinforcing gasket welding assembly of the present invention.

[0021] Among them: turntable body 1, turntable curved surface slide groove 11, turntable positioning pin hole 12, T-shaped reinforcing washer 2, matching curved surface groove 1 21, top plate 22, column 23, reinforcing washer buckle cover 3, matching curved surface groove 2 31, self-lubricating sleeve 4, sliding sleeve curved surface groove 41, positioning pin 5. DETAILED DESCRIPTION

[0022] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0023] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0025] In the description of this embodiment, the terms "upper", "lower", "left", "right" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operate in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0026] Example 1

[0027] like Figure 1 , Figure 2 and Figure 3 As shown, a turntable mechanism applied to a small-angle rotating seat for a vehicle comprises a turntable body 1, a T-shaped reinforcing washer 2, a reinforcing washer buckle cover 3, a self-lubricating sleeve 4 and a positioning pin 5, wherein the four corners of the turntable body 1 are respectively provided with a turntable curved surface slide groove 11, two positioning pins 5 are welded on the T-shaped reinforcing washer 2, the positioning pin rod passes through the turntable positioning pin hole 12, the T-shaped reinforcing washer 2 passes through the turntable curved surface slide groove 11, and is matched on the turntable body 1, so that the outer wall of the matching curved surface groove 21 in the middle of the T-shaped reinforcing washer 2 The top is fitted with the inner wall of the turntable curved slide groove 11, and the reinforcing washer buckle cover 3 is buckled on the T-shaped reinforcing washer 2 at the bottom of the turntable body 1, and the outer wall of the matching curved groove 2 31 in the middle of the reinforcing washer buckle cover 3 is fitted with the lower part of the outer wall of the matching curved groove 1 21 in the middle of the T-shaped reinforcing washer 2, the corresponding through hole passes through the positioning pin rod, and the self-lubricating sleeve 4 with a sliding sleeve curved groove 41 inside is placed in the matching curved slide groove 21, and the T-shaped reinforcing washer 2, the turntable body 1 and the reinforcing washer buckle cover 3 are assembled together by welding.

[0028] The top end of the self-lubricating sleeve 4 is turned outward, and the turn-up at the top end is matched with the T-shaped reinforcing washer 2 , and the bottom end of the self-lubricating sleeve 4 is turned outward, and the turn-up at the bottom end is matched with the T-shaped reinforcing washer 2 and the reinforcing washer buckle cover 3 .

[0029] A weight-reducing hole is provided in the middle of the turntable body 1 , and flanges with a height of more than 3 mm are provided on the inner and outer contour edges of the turntable body 1 , and reinforcing ribs are provided on the turntable body 1 .

[0030] like Figure 4 and Figure 5 As shown, the T-shaped reinforcing gasket 2 includes a top plate 22 and a column 23, wherein the column 23 is arranged at the bottom of the top plate 22, and the matching curved slide groove 21 is arranged in the top plate 22 and the column 23, and positioning pins 5 are respectively provided at both ends of the top plate 22. The positioning pins 5 pass through the small round holes of the top plate 22 and are welded to the top plate 22. The bottom of the positioning pins 5 then passes through the round holes on the turntable body 1 and the round holes on the reinforcing gasket buckle cover 3 in turn to realize the positioning of the T-shaped reinforcing gasket 2, the turntable body 1 and the reinforcing gasket buckle cover 3.

[0031] The upright column 23 of the T-shaped reinforcing washer 2 passes through the turntable curved surface slide groove 11 and is fitted on the turntable body 1 through the top plate 22 .

[0032] The thickness of the top plate 22 of the T-shaped reinforcing washer 2 must be no less than 3 mm.

[0033] The top plate 22 of the T-shaped reinforcing washer 2 is welded to the turntable body 1 along the outer end edge of the curved surface of the top plate 22 .

[0034] The reinforcing gasket buckle cover 3 is welded to the bottom of the turntable body 1 along the outer edge of its curved surface.

[0035] The trajectory lines of the turntable curved slide groove 11 on the turntable body 1 are respectively the full-stroke motion trajectories of the guide pin shaft that cooperates with the turntable body 1 during the rotation of the turntable body 1.

[0036] Example 2

[0037] A turntable mechanism applied to a small-angle rotating seat for a vehicle, wherein a rectangular hollow area, i.e., a weight-reducing hole, is left in the middle of the turntable body 1, so as to reduce the weight of the turntable body 1 and leave space for the arrangement and installation of a wiring harness;

[0038] The inner and outer contour edges of the turntable body 1 are both provided with flanges of more than 3 mm, and reinforcing ribs are reasonably designed to ensure structural strength;

[0039] The four corners of the turntable body 1 are arranged with four turntable curved surface slide grooves 11 required for the turntable body 1 to rotate. The pin shaft matched with the turntable body 1 slides in the turntable curved surface slide grooves 11 to realize the rotation function of the turntable body 1.

[0040] The four corners of the turntable body 1 are in a position to avoid the turntable curved slide groove 11, and installation space needs to be reserved for the connecting bracket to connect the seat frame to realize the arrangement of the mechanism on the whole chair;

[0041] The thickness of the T-shaped reinforcing washer 2 should be no less than 3 mm, so as to improve the strength of the turntable curved surface slide groove 11 on the turntable body 1, and meet the strength requirements of the turntable body 1 when the pin slides or collides in the turntable curved surface slide groove 11;

[0042] The T-shaped reinforcing gasket 2 is an L-shaped flange structure (as shown in the cross section of the T-shaped reinforcing gasket 2). The outer sides of the L-shaped flange structure cooperate with the turntable body 1 and the reinforcing gasket buckle cover 3 respectively, and the inner ring cooperates with the sliding pin. Compared with the traditional sandwich structure, it can avoid the tolerance accumulation caused by operations such as welding and assembly, avoid the cost increase caused by end face burr processing, and significantly improve the cross-sectional quality. At the same time, when the mating parts are a single part, the accuracy is more controllable, reducing the manufacturing difficulty. Make the sliding action of the pin along the curved slide groove more stable and reliable;

[0043] The T-shaped reinforcing washer 2 is welded with two positioning pins 5 to form a T-shaped reinforcing washer and positioning pin welding assembly. The positioning pins 5 have the same specifications and sizes and are matched with the small gap circular holes and the large gap circular holes corresponding to the turntable body 1, respectively, to achieve the initial positioning of the parts and reduce the difficulty of assembly;

[0044] The T-shaped reinforcing gasket 2 and the turntable body 1 are welded along the outer edge of the gasket curved surface to ensure the manufacturing precision of the sliding fit position;

[0045] The reinforcing gasket buckle cover 3 is installed at the lower end of the turntable body 1, the upper end surface is in contact with the bottom surface of the turntable body 1, the two positioning holes are matched with the positioning pins, the inner ring edge is in contact with the T-shaped reinforcing gasket 2, and the outer end edge of the gasket curved surface is welded and assembled with the turntable body 1;

[0046] The self-lubricating sleeve 4 is installed on the inner end surface of the matching curved slide groove 21 of the T-shaped reinforcing washer 2, enveloping the entire travel area of ​​the pin shaft and the washer sliding track, further improving the smoothness and fluency of the sliding action.

[0047] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the protection scope of the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention. These simple variations all belong to the protection scope of the present invention.

[0048] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations.

[0049] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. A turntable mechanism for a small-angle rotating seat in a car, characterized in that The invention comprises a turntable body (1), a T-shaped reinforcing washer (2), a reinforcing washer buckle cover (3) and a self-lubricating sleeve (4), wherein the four corners of the turntable body (1) are respectively provided with turntable curved surface slide grooves (11), a pin shaft matched with the turntable body (1) slides in the turntable curved surface slide groove (11) to realize the rotation function of the turntable body (1), and the T-shaped reinforcing washer (2) passes through the turntable curved surface slide groove (11) and is matched with the turntable body (1) so that the upper part of the outer wall of the matching curved surface groove 1 (21) in the middle of the T-shaped reinforcing washer (2) is in contact with the inner wall of the turntable curved surface slide groove (11). The reinforcing washer buckle cover (3) is buckled onto the T-shaped reinforcing washer (2) at the bottom of the turntable body (1), and the outer wall of the matching curved groove 2 (31) in the middle of the reinforcing washer buckle cover (3) is fitted with the lower outer wall of the matching curved groove 1 (21) in the middle of the T-shaped reinforcing washer (2). A self-lubricating sleeve (4) having a sliding sleeve curved groove (41) is sleeved in the matching curved groove (21). At the same time, the T-shaped reinforcing washer (2), the turntable body (1) and the reinforcing washer buckle cover (3) are assembled together by welding, and a rectangular weight-reducing hole is left in the middle of the turntable body (1).

2. The turntable mechanism for a small-angle rotating seat of a car according to claim 1 is characterized in that The top end of the self-lubricating sleeve (4) is turned outwards, and the turned-up edge of the top end is matched with the T-shaped reinforcing washer (2); the bottom end of the self-lubricating sleeve (4) is turned outwards, and the turned-up edge of the bottom end is matched with the T-shaped reinforcing washer (2) and the reinforcing washer buckle cover (3).

3. The turntable mechanism for a small-angle rotating seat of a car according to claim 2 is characterized in that The inner and outer contour edges of the turntable body (1) are both provided with flanges with a height of more than 3 mm, and reinforcing ribs are provided on the turntable body (1).

4. The turntable mechanism for a small-angle rotating seat of a car according to claim 3 is characterized in that The T-shaped reinforcing gasket (2) comprises a top plate (22) and a column (23), wherein the column (23) is arranged at the bottom of the top plate (22), and a matching curved surface slide groove (21) is arranged in the top plate (22) and the column (23), and positioning pins (5) are respectively provided at both ends of the top plate (22), and the positioning pins (5) pass through the small round holes of the top plate (22) and are welded to the top plate (22), and the bottom of the positioning pins (5) then passes through the round holes on the turntable body (1) and the round holes on the reinforcing gasket buckle cover (3) in sequence to realize the positioning of the T-shaped reinforcing gasket (2), the turntable body (1) and the reinforcing gasket buckle cover (3).

5. The turntable mechanism for a small-angle rotating seat of a car according to claim 4 is characterized in that The upright post (23) of the T-shaped reinforcing gasket (2) passes through the turntable curved surface slide groove (11) and is fitted on the turntable body (1) through the top plate (22).

6. The turntable mechanism for a small-angle rotating seat of a car according to claim 5, characterized in that The thickness of the top plate (22) of the T-shaped reinforcing gasket (2) must be no less than 3 mm.

7. The turntable mechanism for a small-angle rotating seat of a car according to claim 6 is characterized in that The top plate (22) of the T-shaped reinforcing gasket (2) and the turntable body (1) are welded along the outer end edge of the curved surface of the top plate (22).

8. The turntable mechanism for a small-angle rotating seat of a car according to claim 7, characterized in that The reinforcing gasket buckle cover (3) is welded to the bottom of the turntable body (1) along the outer edge of its curved surface.

9. The turntable mechanism for a small-angle rotating seat of a car according to claim 8, characterized in that The trajectory lines of the turntable curved surface slide groove (11) on the turntable body (1) are respectively the full-stroke motion trajectories of the guide pin shafts cooperating therewith on the turntable body (1) during the rotation of the turntable body (1).

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