Seat cushion adjusting mechanism of engineering machinery seat

Abstract

The utility model relates to the technical field of engineering machinery seats, and discloses a seat cushion adjusting mechanism of an engineering machinery seat, which comprises a seat disc steel plate piece, one side of the outer part of the seat disc steel plate piece is fixedly connected with a main adjuster part, and the other side of the outer part of the seat disc steel plate piece is fixedly connected with an auxiliary adjuster part. A backrest weldment is fixedly connected to the sides, close to each other, of the main adjuster part and the auxiliary adjuster part, a sliding seat disc is fixedly connected to the top of the seat disc steel plate part, an angle adjusting seat disc is fixedly connected to the top of the seat disc steel plate part, and a gear shifting rod is fixedly connected to the top of the angle adjusting seat disc; a driving assembly is arranged outside the gear shifting rod, a pin shaft point is fixedly connected to the outer portion of the angle adjusting seat disc, and a sponge cushion is fixedly connected to the top of the angle adjusting seat disc. According to the engineering machinery driver seat, the working comfort and safety of the engineering machinery driver seat can be improved, and the problem that part of devices are not comfortable enough in the using process is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering machinery seats, in particular to a seat cushion adjustment mechanism of an engineering machinery seat. Background Art

[0002] As construction machinery continues to develop, the requirements for construction machinery driver seats are getting higher and higher. The comfort and safety of the seats during work are also required to be improved. By adding forward sliding adjustment of the seat surface, the operation can be made more convenient and comfortable; by adding upward angle adjustment of the seat surface, the grip of the seat surface can be increased, making the work safer.

[0003] After searching: Chinese patent publication number: CN203957919U, it involves the technical field of automobile parts, and discloses a manual adjustment mechanism for the lifting of seat cushions. The original gear motor is replaced with a manual height adjustment pump, and one end of the manual height adjustment pump passes through the rear end of the left side plate assembly and is meshed with the gear at one end of the left rear linkage gear plate. Manually adjusting the lifting of the seat cushion is convenient and worry-free, avoiding the situation where the battery is out of power and the electric adjustment mechanism is stuck in the middle and cannot be adjusted due to circuit problems, and its service life is greatly extended.

[0004] The above patent embodiment records that "the other end of the left front linkage bracket 7 is connected to the front end of the left slide assembly 1, the other end of the right front linkage bracket 5 is connected to the front end of the right slide assembly 2, and one end of the rear connecting rod 11 passes through one end of the left rear linkage gear plate 8 and is connected to the rear end of the left side plate assembly 3." This can avoid the situation where the battery cannot be adjusted when it is out of power and the electric adjustment mechanism is stuck in the middle and cannot be adjusted due to circuit problems. However, there are fewer mechanisms for adjustment during the overall use of the device, which makes the device not very comfortable. Therefore, in view of the above-mentioned deficiencies, a new seat cushion adjustment mechanism for engineering machinery seats is proposed. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a seat cushion adjustment mechanism for an engineering machinery seat, aiming to improve the problem that some devices are not comfortable enough during use.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A seat cushion adjustment mechanism for an engineering machinery seat comprises a seat pan steel plate, an outer side of the seat pan steel plate is fixedly connected to a main adjuster component, the other outer side of the seat pan steel plate is fixedly connected to a sub-adjuster component, adjacent sides of the main adjuster component and the sub-adjuster component are fixedly connected to a backrest weldment, the top of the seat pan steel plate is fixedly connected to a sliding seat pan, the top of the seat pan steel plate is fixedly connected to an angle adjustment seat pan, the top of the angle adjustment seat pan is fixedly connected to a shift lever, a drive assembly is arranged on the outside of the shift lever, the outside of the angle adjustment seat pan is fixedly connected to a pin point, the top of the angle adjustment seat pan is fixedly connected to a sponge cushion, and the outer front side of the main adjuster component is fixedly connected to a backrest angle adjustment handle.

[0008] Furthermore, the drive assembly includes a seat sliding adjustment handle and a seat angle adjustment handle, an outer side of the seat sliding adjustment handle is fixedly connected to the outside of the shift lever, and an outer side of the seat angle adjustment handle is fixedly connected to the shift lever.

[0009] Furthermore, a pull wire is fixedly connected to the top of the angle adjustment seat plate, a latch is fixedly connected to the outer side of the pull wire, and a plurality of positioning waist holes are opened on the outer side of the seat plate steel plate.

[0010] Furthermore, a gear slot is provided on the top of the angle adjustment seat plate, and a gear pin is fixedly connected to an outer side of the shift lever.

[0011] The utility model has the following beneficial effects:

[0012] In the utility model, with the coordinated use of structures such as the sliding seat plate, the seat sliding adjustment handle, the seat angle adjustment handle, and the pull wire, the device can improve the comfort and safety of the driver's seat of the engineering machinery during use, solving the problem that some devices are not comfortable enough during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A three-dimensional diagram of a seat cushion adjustment mechanism for an engineering machinery seat proposed by the utility model;

[0014] Figure 2 This is a schematic diagram of the backrest weldment structure of a seat cushion adjustment mechanism of an engineering machinery seat proposed by the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of a sliding seat plate of a seat cushion adjustment mechanism of an engineering machinery seat proposed by the utility model;

[0016] Figure 4 This is a schematic diagram of the seat plate steel plate structure of a seat cushion adjustment mechanism of an engineering machinery seat proposed by the utility model;

[0017] Figure 5 for Figure 3 Enlarged view of point A in the middle.

[0018] Legend:

[0019] 1. Seat plate steel plate; 2. Main regulator component; 3. Auxiliary regulator component; 4. Backrest weldment; 5. Sliding seat plate; 6. Seat sliding adjustment handle; 7. Seat angle adjustment handle; 8. Pull wire; 9. Pin; 10. Locating waist hole; 11. Backrest angle adjustment handle; 12. Shift lever; 13. Angle adjustment seat plate; 14. Pin point; 15. Sponge cushion; 16. Shift slot; 17. Shift pin. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 The utility model provides an embodiment: a seat cushion adjustment mechanism for an engineering machinery seat, comprising a seat plate steel plate 1, a main regulator component 2 is fixedly connected to one side of the outside of the seat plate steel plate 1, a sub-regulator component 3 is fixedly connected to the other side of the outside of the seat plate steel plate 1, a backrest weldment 4 is fixedly connected to the adjacent sides of the main regulator component 2 and the sub-regulator component 3, a sliding seat plate 5 is fixedly connected to the top of the seat plate steel plate 1, an angle adjustment seat plate 13 is fixedly connected to the top of the seat plate steel plate 1, a shift lever 12 is fixedly connected to the top of the angle adjustment seat plate 13, a drive assembly is arranged on the outside of the shift lever 12, and the drive assembly comprises a seat sliding adjustment handle 6 and a seat angle adjustment handle 7, The outer side of the seat sliding adjustment handle 6 is fixedly connected to the outside of the shift lever 12, the outer side of the seat angle adjustment handle 7 is fixedly connected to the shift lever 12, the outer side of the angle adjustment seat plate 13 is fixedly connected with a pin point 14, the top of the angle adjustment seat plate 13 is fixedly connected with a sponge cushion 15, the outer front side of the main regulator component 2 is fixedly connected with a backrest angle adjustment handle 11, the top of the angle adjustment seat plate 13 is fixedly connected with a pull wire 8, the outer side of the pull wire 8 is fixedly connected with a pin 9, a plurality of positioning waist holes 10 are provided on the outer side of the seat plate steel plate 1, a gear slot 16 is provided on the top of the angle adjustment seat plate 13, and the outer side of the shift lever 12 is fixedly connected with a gear pin 17.

[0022] Compared with some existing technologies, the above content can improve the comfort and safety of the driver's seat of the construction machinery, and solve the problem that some devices are not comfortable enough during use.

[0023] Working principle: First, with the seat back steel plate as the carrier, the sliding seat plate 5 component, the nylon sliding block, the pull wire 8 component and the sliding adjustment handle are assembled, and the slider is inserted into the slide groove of the seat plate of the seat back steel plate component and connected with bolts, so that it can slide back and forth; the sliding seat plate 5 is adjusted and positioned, and the pull wire 8 component is driven by the sliding adjustment handle, and the pull wire 8 component pin 9 is separated from the seat plate pin 9 positioning waist hole 10 of the seat back steel plate component to realize sliding positioning and move forward and backward to adjust. The seat cushion angle adjustment assembly is assembled from the sliding seat plate 5 component, the angle adjustment seat plate 13, the positioning tension spring, the angle adjustment support spring, the shift lever 12 component and the angle adjustment handle. The angle adjustment chassis is connected to the sliding chassis assembly through a pin shaft, and can rotate with the pin shaft, and a fixed angle adjustment support spring is installed between the angle adjustment chassis and the front end of the sliding chassis; the angle adjustment handle is connected to the shift lever 12 with an elastic cylindrical pin, and the two ends of the shift lever 12 are inserted into the connecting seat of the angle adjustment chassis, and the shift pin 17 welding parts are installed at the milled flat parts at both ends of the shift lever 12. The shift pin 17 welding parts are assembled with the shift plate of the sliding chassis assembly and fastened with nuts. Finally, one end of the positioning tension spring is hooked on the shift plate, and the other end is hooked on the elliptical hole of the angle adjustment chassis. The angle adjustment handle is turned to make the shift pin 17 disengage from the gear position. Under the action of the angle adjustment support spring and the person, the shift pin 17 can move back and forth. The handle is released according to the position required by the operator to lock the positioning tension spring.

[0024] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A seat cushion adjustment mechanism for an engineering machinery seat, comprising a seat plate steel plate (1), Features: A main regulator component (2) is fixedly connected to one side of the outside of the seat plate steel plate (1), a sub-regulator component (3) is fixedly connected to the other side of the outside of the seat plate steel plate (1), a backrest weldment (4) is fixedly connected to the adjacent sides of the main regulator component (2) and the sub-regulator component (3), a sliding seat plate (5) is fixedly connected to the top of the seat plate steel plate (1), an angle adjustment seat plate (13) is fixedly connected to the top of the seat plate steel plate (1), a shift lever (12) is fixedly connected to the top of the angle adjustment seat plate (13), a drive assembly is arranged on the outside of the shift lever (12), a pin point (14) is fixedly connected to the outside of the angle adjustment seat plate (13), a sponge cushion (15) is fixedly connected to the top of the angle adjustment seat plate (13), and a backrest angle adjustment handle (11) is fixedly connected to the front side of the outside of the main regulator component (2).

2. The seat cushion adjustment mechanism for an engineering machinery seat according to claim 1, Features: The drive assembly comprises a seat surface sliding adjustment handle (6) and a seat surface angle adjustment handle (7), wherein an outer side of the seat surface sliding adjustment handle (6) is fixedly connected to the outside of the shift lever (12), and an outer side of the seat surface angle adjustment handle (7) is fixedly connected to the shift lever (12).

3. The seat cushion adjustment mechanism for an engineering machinery seat according to claim 1, Features: A pull wire (8) is fixedly connected to the top of the angle adjustment seat plate (13), a latch (9) is fixedly connected to the outer side of the pull wire (8), and a plurality of positioning waist holes (10) are provided on the outer side of the seat plate steel plate (1).

4. The seat cushion adjustment mechanism for an engineering machinery seat according to claim 1, Features: A gear slot (16) is provided on the top of the angle adjustment seat plate (13), and a gear pin (17) is fixedly connected to an outer side of the gear shift lever (12).

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