Air bag shock absorber applied to engineering machinery driver seat

Abstract

The utility model relates to the technical field of driver seats, and discloses an air bag shock absorber applied to an engineering machinery driver seat, which comprises an upper bottom plate and an outer support block, the bottom of the upper bottom plate is fixedly connected with two shock pad seats, the bottom of the upper bottom plate is fixedly connected with a plurality of buffer pads, and the outer support block is fixedly connected with the upper bottom plate. Two second shaft supporting plates are fixedly connected to the bottom of the upper bottom plate, an electrical switch is fixedly connected to the left side of the bottom of the upper bottom plate, first self-lubricating sleeves are fixedly connected to the interiors of the second shaft supporting plates, two first shaft supporting plates are fixedly connected to the bottom of the upper bottom plate, and a damping seat is fixedly connected to the bottom of a damping pad seat; a driving assembly is arranged at the bottom of the upper bottom plate, a protection ring is arranged at the bottom of the upper bottom plate, and a first lining is arranged outside the second shaft supporting plate. According to the utility model, the seat of a driver needs an environment which is simple and convenient to operate, safe, reliable and comfortable to work, the fatigue of the driver is reduced, and occupational diseases are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of driver seats, in particular to an air bag shock absorber applied to a driver seat of an engineering machinery. Background Art

[0002] For construction machinery drivers, seat comfort is very important. It helps to relieve driver fatigue, avoid occupational diseases caused by long-term driving, reduce operating steps, and improve driving comfort and operational safety. With the rapid development of technology, the vibration reduction length of mechanical shock absorbers is shorter than that of air bag shock absorbers, and the vibration reduction characteristics of air bag shock absorbers are better. It is simpler and more convenient to adjust according to the driver's weight and comfort requirements. This is the need and direction for the development of construction machinery driver seats.

[0003] In the prior art, some traditional airbag shock absorbers of driver seats are complicated to operate during actual use when adjusting the seats, which makes it inconvenient for users to adjust the seats quickly. Therefore, in view of the above problems, an airbag shock absorber applied to the driver seat of engineering machinery is proposed. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes an airbag shock absorber applied to the driver seat of engineering machinery, aiming to improve the problem in the prior art that the shock absorption effect of the seat cannot be adjusted quickly.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an airbag shock absorber applied to a driver's seat of an engineering machinery, comprising an upper base plate and an outer support block, the bottom of the upper base plate is fixedly connected to two shock-absorbing pads, the bottom of the upper base plate is fixedly connected to a plurality of buffer pads, the bottom of the upper base plate is fixedly connected to two shaft support plates 2, the bottom left side of the upper base plate is fixedly connected to an electrical switch, the interior of the shaft support plate 2 is fixedly connected to a self-lubricating sleeve 1, the bottom of the upper base plate is fixedly connected to two shaft support plates 1, the bottom of the shock-absorbing pad is fixedly connected to a shock-absorbing seat, the bottom of the upper base plate is provided with a driving assembly, the bottom of the upper base plate is provided with a protective ring, the outside of the shaft support plate 2 is provided with a bushing 1, the four corners of the bottom of the upper base plate are fixedly connected with a nut 1, the adjacent side of the two shaft support plates 2 is provided with an inner support assembly, the bottom of the upper base plate is fixedly connected to a gas spring, the adjacent side of the two shaft support plates 1 is rotatably connected to an outer support assembly, and the outside of the outer support block is rotatably connected to a base plate assembly.

[0006] As a further description of the above technical solution:

[0007] The driving assembly includes two screws, an air pump, and a clamp. The external threads of the screws are connected to the bottom of the upper base plate, the external threads of the clamp are connected to the outside of the screws, and the bottom of the air pump is in contact with the top of the clamp.

[0008] As a further description of the above technical solution:

[0009] The inner support assembly includes an inner support block and an inner connecting shaft 1, the front and rear sides of the inner connecting shaft 1 are respectively rotatably connected to the adjacent side of the shaft support plate 2, the outside of the inner connecting shaft 1 is fixedly connected to two inner support blocks, the bottoms of the two inner support blocks are fixedly connected to the airbag upper seat plate, the bottoms of the inner support blocks are fixedly connected to the inner rotating plate, the far sides of the two inner support blocks are fixedly connected to self-lubricating sleeves 2, the inside of the inner connecting shaft 1 is rotatably connected to the inner connecting shaft 2, and the outside of the inner connecting shaft 2 is provided with a self-lubricating sleeve 3.

[0010] As a further description of the above technical solution:

[0011] The outer support assembly includes two outer support blocks, the outer parts of the two outer support blocks are rotatably connected to the outer part of the shaft support plate one, the outer parts of the outer support blocks are fixedly connected to spring columns, the adjacent sides of the two spring columns are fixedly connected to outer support plates, the right side of one of the outer support plates is fixedly connected to the right outer rotating plate, the interior of one of the outer support plates is fixedly connected to a self-lubricating sleeve four, the adjacent sides of the two outer support plates are fixedly connected to an outer rotating shaft, the outer parts of the outer rotating shaft are fixedly connected to an outer shock-absorbing plate, the interior of one of the outer support plates is fixedly connected to a reinforcing sleeve, and the left side of one of the outer support plates is fixedly connected to the left outer rotating plate.

[0012] As a further description of the above technical solution:

[0013] The bottom plate assembly includes a lower bottom plate, the front and rear sides of the lower bottom plate are respectively rotatably connected to the adjacent sides of the two outer support blocks, the front and rear sides of the top of the lower bottom plate are fixedly connected with a left lower support block, the top of the lower bottom plate is fixedly connected with a left reinforcing plate, the outside of the left reinforcing plate is fixedly connected with a bushing 2, the inside of the left reinforcing plate is fixedly connected with a self-lubricating sleeve 5, the top of the lower bottom plate is fixedly connected with a nut 2, the top of the lower bottom plate is fixedly connected with a fixing plate 1, the top of the lower bottom plate is fixedly connected with an airbag seat, the top of the airbag seat is fixedly connected with an airbag body, the top of the lower bottom plate is fixedly connected with a fixing plate 2, and the top front side of the lower bottom plate is fixedly connected with a right reinforcing plate.

[0014] The utility model has the following beneficial effects:

[0015] In the utility model, through the coordinated use of structures such as the shock-absorbing cushion seat, the buffer cushion, the second shaft support plate, the first self-lubricating sleeve, the first shaft support plate, the shock-absorbing seat, etc., as engineering machinery develops with the times and is updated, the driver's seat needs to be easy to operate, safe and reliable, and comfortable to work in, thereby reducing driver fatigue and avoiding the occurrence of occupational diseases. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional diagram of an airbag shock absorber applied to a driver's seat of an engineering machinery proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of the upper base structure of an airbag shock absorber applied to a driver's seat of an engineering machinery proposed by the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of an inner support block of an airbag shock absorber applied to a driver's seat of an engineering machinery proposed by the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of an outer support block of an airbag shock absorber applied to a driver's seat of an engineering machinery proposed by the utility model;

[0020] Figure 5 The utility model is a schematic diagram of the lower base plate structure of an air bag shock absorber applied to a driver's seat of an engineering machinery.

[0021] Legend:

[0022] 1. Upper base plate; 102. Shock-absorbing pad seat; 103. Buffer pad; 104. Second shaft support plate; 105. Screw; 106. Electrical switch; 107. Self-lubricating sleeve; 108. First shaft support plate; 109. Shock-absorbing seat; 110. Air pump; 111. Protective ring; 112. Hoop; 113. Bushing; 114. Nut; 2. Inner support block; 201. Inner connecting shaft; 202. Upper seat plate of airbag; 203. Inner rotating plate; 204. Second self-lubricating sleeve; 205. Second inner connecting shaft; 206. Third self-lubricating sleeve ; 3. Gas spring; 4. External support block; 401. Spring column; 402. External support plate; 403. External rotating plate right; 404. Self-lubricating sleeve four; 405. External rotating shaft; 406. External shock-absorbing plate; 407. Reinforcement sleeve; 408. External rotating plate left; 5. Lower base plate; 501. Lower support left; 502. Left reinforcement plate; 503. Bushing two; 504. Self-lubricating sleeve five; 505. Nut two; 506. Airbag body; 507. Fixed plate one; 508. Airbag seat; 509. Fixed plate two; 510. Right reinforcement plate. DETAILED DESCRIPTION

[0023] 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.

[0024] Reference Figure 1 - Figure 3 As shown, an embodiment of the utility model provided is: an airbag shock absorber applied to a driver seat of an engineering machinery, comprising an upper base plate 1 and an outer support block 4, the upper base plate 1 is the main load-bearing part of the entire shock absorber, the bottom of the upper base plate 1 is fixedly connected to two shock-absorbing pads 102, the bottom of the upper base plate 1 is fixedly connected to a plurality of buffer pads 103, the shock-absorbing pads 102 and the buffer pads 103 are mainly used to absorb and mitigate vibrations from the machinery, the bottom of the upper base plate 1 is fixedly connected to two shaft support plates 104, the shaft support plates 104 are mainly used to enhance the structural stability of the entire shock absorber, the bottom left side of the upper base plate 1 is fixedly connected to an electrical switch 106, the electrical switch 106 can control the working state of the shock absorber, the interior of the shaft support plate 104 is fixedly connected to a self-lubricating sleeve 107, the self-lubricating sleeve 107 can reduce friction and wear, the bottom of the upper base plate 1 is fixedly connected to two shaft support plates 108, the bottom of the shock-absorbing pad 102 is fixedly connected to a shock-absorbing seat 1 09, the shock absorber seat 109 can further absorb and reduce vibration. A driving assembly is arranged at the bottom of the upper base plate 1, and the driving assembly includes two screws 105, an air pump 110, and a clamp 112. The external thread of the screw 105 is connected to the bottom of the upper base plate 1, and the external thread of the clamp 112 is connected to the outside of the screw 105. The bottom of the air pump 110 is in contact with the top of the clamp 112. The air pump 110 and the clamp 112 are mainly used to adjust and control the working state of the shock absorber. A protective ring 111 is provided at the bottom of the upper base plate 1, and a bushing 113 is arranged on the outside of the shaft support plate 104. The bushing 113 is a kind of device that can reduce friction and wear. The four corners of the bottom of the upper base plate 1 are fixedly connected with nuts 114. Nuts 114 can facilitate the installation and removal of the shock absorber. The design of this airbag shock absorber is mainly to effectively absorb and reduce the vibration from the engineering machinery through the combination of various devices and components, thereby improving the comfort and work efficiency of the driver.

[0025] Reference Figure 3As shown, an inner support assembly is provided on the adjacent side of the two shaft support plates 104, and the inner support assembly includes an inner support block 2 and an inner connecting shaft 201. The design of the inner support block 2 and the inner connecting shaft 201 enables the shock absorber to effectively disperse and transmit force when subjected to vibration, thereby protecting the shock absorber from damage. The front and rear sides of the inner connecting shaft 201 are respectively rotatably connected to the adjacent side of the shaft support plate 104, and the outer part of the inner connecting shaft 201 is fixedly connected to two inner support blocks 2, and the bottom of the two inner support blocks 2 is fixedly connected to the airbag upper seat plate 202, and the bottom of the inner support block 2 is fixedly connected to the inner rotating plate 203, so that the shock absorber When the device is subjected to vibration, it can effectively absorb and reduce vibration through the expansion and contraction of the airbag. The far sides of the two inner support blocks 2 are fixedly connected with self-lubricating sleeves 2 204. The inner connecting shaft 1 201 is internally rotatably connected with the inner connecting shaft 205. The outer part of the inner connecting shaft 205 is provided with a self-lubricating sleeve 3 206. The design of the self-lubricating sleeve 204 and the self-lubricating sleeve 3 206 can reduce the friction and wear inside the shock absorber, thereby improving the durability and service life of the shock absorber. The bottom of the upper base plate 1 is fixedly connected with a gas spring 3. The design of the gas spring 3 can provide additional support force to further enhance the bearing capacity of the shock absorber.

[0026] Reference Figure 4 As shown, the adjacent sides of the two shaft support plates 108 are rotatably connected with an outer support assembly, and the outer support assembly includes two outer support blocks 4, and the outer parts of the two outer support blocks 4 are rotatably connected to the outer parts of the shaft support plate 108. The design of the outer support blocks 4 and the shaft support plate 108 enables the shock absorber to effectively disperse and transmit force when subjected to vibration, thereby protecting the shock absorber from damage. The outer parts of the outer support blocks 4 are fixedly connected with spring columns 401. The design of the spring columns 401 and these components enables the shock absorber to effectively absorb and reduce vibration through the compression and extension of the spring when subjected to vibration. The adjacent sides of the two spring columns 401 are fixedly connected with outer support plates 402. The design of the outer support plates 402 can provide additional support force, further enhancing the bearing capacity of the shock absorber. The right side of one of the outer support plates 402 is fixedly connected to the outer rotating plate right 403. The design of the outer rotating plate right 403 and the outer rotating plate left 408 can facilitate the installation and disassembly of the shock absorber. The interior of one of the outer support plates 402 is fixedly connected to the self-lubricating sleeve four 404. The design of the self-lubricating sleeve four 404 can reduce the friction and wear inside the shock absorber, thereby improving the durability and service life of the shock absorber. The adjacent sides of the two outer support plates 402 are fixedly connected to the outer rotating shaft 405. The outside of the outer rotating shaft 405 is fixedly connected to the outer shock absorbing plate 406. The interior of one of the outer support plates 402 is fixedly connected to the reinforcement sleeve 407. The design of the reinforcement sleeve 407 can enhance the structural stability of the shock absorber. The left side of one of the outer support plates 402 is fixedly connected to the outer rotating plate left 408.

[0027] Reference Figure 5 As shown, the outer side of the outer support block 4 is rotatably connected to a bottom plate assembly, and the bottom plate assembly includes a lower bottom plate 5. The design of the lower bottom plate 5 and the outer support block 4 enables the shock absorber to effectively disperse and transmit force when subjected to vibration, thereby protecting the shock absorber from damage. The front and rear sides of the lower bottom plate 5 are respectively rotatably connected to the adjacent sides of the two outer support blocks 4, and the front and rear sides of the top of the lower bottom plate 5 are fixedly connected to the left lower support 501, so that when the shock absorber is subjected to vibration, it can effectively absorb and reduce vibration through the compression and extension of the left lower support 501. The top of the lower bottom plate 5 is fixedly connected to a left reinforcing plate 502. The design of the left reinforcing plate 502 can provide additional supporting force to further enhance the bearing capacity of the shock absorber. The outer side of the left reinforcing plate 502 is fixedly connected to a bushing 2 503. The design of the bushing 2 503 and the self-lubricating sleeve 5 504 can reduce the friction and wear inside the shock absorber. The lower bottom plate 5 is fixedly connected to a fixing plate 1 507 on the top, and the design of the fixing plate 1 507 and the fixing plate 2 509 can enhance the structural stability of the shock absorber. The lower bottom plate 5 is fixedly connected to an airbag seat 508 on the top, and the airbag body 506 on the top of the airbag seat 508 can provide additional buffering force to further enhance the vibration reduction effect of the shock absorber. The lower bottom plate 5 is fixedly connected to a fixing plate 2 509 on the top, and the design of the right reinforcing plate 510 can enhance the structural stability of the shock absorber. The top front side of the lower bottom plate 5 is fixedly connected to the right reinforcing plate 510.

[0028] Working principle: When the driver operates the airbag shock absorber of the driver's seat, there are two systems: one is the mechanical test bench system, which is the fixed end of the outer support component and the lower rear fixed plate of the bottom plate component connected and fastened with short nuts and bolts; the inner rotating plate 203 of the inner support component and the lower fixed plate 507 of the bottom plate component are also connected and fastened with short nuts and bolts, and then the inner and outer support components are connected and fastened through their center holes with long nuts and bolts, and the upper fixed plate 2 509 of the upper bottom plate 1 is connected to the inner support assembly with short nuts and bolts, and the fixed plate 2 509 at the other end of the upper bottom plate 1 is connected to the inner rotating plate 203 of the outer support assembly with short nuts and bolts, so as to assemble the mechanical test bench part of the shock absorber. The mechanical test bench realizes the change of the test bench vibration reduction suspension stroke through the rotation of the inner rotating plate 203 of the inner and outer support assemblies;

[0029] The second is an air suspension vibration reduction system, which is mainly composed of an air pump 110, an airbag body 506, an electrical switch 106, and an air spring 3; the electrical switch 106 has three gears, the first gear is that the electrical switch 106 outputs power to the air pump 110, the air pump 110 uses an air pipe to output the air source through the electrical switch 106, and the electrical switch 106 is connected to the airbag with an air pipe to inflate the air pump 110; when the electrical switch 106 is turned to the middle gear, the power is disconnected, the air pump 110 stops working, stops inflating the airbag body 506, and the airbag body 506 is locked. When the electrical switch 106 is turned to the third gear, the air pump 110 does not work, and the air pump 110 is deflated. The air pump 110 is installed on the airbag seat 508 of the base plate assembly. The upper end of the airbag body 506 is fixedly connected and fastened to the upper base plate 1 of the inner support block 2. The upper base plate 1 is a rotatable movable part. When the height of the platform changes, the upper base plate 1 adjusts itself with the change of the platform height to ensure that the airbag body 506 is in a natural and comfortable state in the inflated state. The suspension vibration reduction system is a locked system. The engineering machinery driver inflates and deflates the airbag body 506 through the electrical switch 106 according to his own weight and seat vibration reduction comfort requirements, and adjusts the driver's comfortable vibration reduction effect, so that the driver has a comfortable working environment and protects his physical and mental health. The outer support frame assembly and the upper base plate 1 are equipped with gas springs 3 to ensure that the engineering machinery is bumpy during operation, reduce the change in the suspension height of the vibration reduction platform, and reduce the suspension vibration frequency, and the shock absorber is in a rigid balance state. It is convenient and simple to operate, improves the driver's comfort, reduces the operating risk, and protects the driver's body and mind.

[0030] 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. An airbag shock absorber for a driver's seat of an engineering machinery, comprising an upper base plate (1) and an outer support block (4), characterized in that: The bottom of the upper base plate (1) is fixedly connected to two shock-absorbing pads (102), the bottom of the upper base plate (1) is fixedly connected to a plurality of buffer pads (103), the bottom of the upper base plate (1) is fixedly connected to two shaft support plates (104), the left side of the bottom of the upper base plate (1) is fixedly connected to an electrical switch (106), the interior of the shaft support plate (104) is fixedly connected to a self-lubricating sleeve (107), the bottom of the upper base plate (1) is fixedly connected to two shaft support plates (108), and the bottom of the shock-absorbing pad (102) is fixedly connected to a shock-absorbing seat (109). A driving assembly is arranged at the bottom of the upper base plate (1), a protective ring (111) is provided at the bottom of the upper base plate (1), a bushing (113) is arranged outside the second shaft support plate (104), nuts (114) are fixedly connected to the four corners of the bottom of the upper base plate (1), an inner support assembly is arranged on the adjacent sides of the two second shaft support plates (104), a gas spring (3) is fixedly connected to the bottom of the upper base plate (1), an outer support assembly is rotatably connected to the adjacent sides of the two first shaft support plates (108), and the outer side of the outer support block (4) is rotatably connected to the base plate assembly.

2. The airbag shock absorber used for the driver seat of engineering machinery according to claim 1, characterized in that: The driving assembly comprises two screws (105), an air pump (110), and a clamp (112); the external threads of the screws (105) are connected to the bottom of the upper base plate (1); the external threads of the clamp (112) are connected to the outside of the screws (105); and the bottom of the air pump (110) is in contact with the top of the clamp (112).

3. The airbag shock absorber used for the driver seat of engineering machinery according to claim 1, characterized in that: The inner support assembly comprises an inner support block (2) and an inner connecting shaft 1 (201); the front and rear sides of the inner connecting shaft 1 (201) are respectively rotatably connected to the adjacent side of the shaft support plate 2 (104); the outer side of the inner connecting shaft 1 (201) is fixedly connected to two inner support blocks (2); the bottoms of the two inner support blocks (2) are fixedly connected to an airbag upper seat plate (202); the bottoms of the inner support blocks (2) are fixedly connected to an inner rotating plate (203); the far sides of the two inner support blocks (2) are fixedly connected to self-lubricating sleeves 2 (204); the inner side of the inner connecting shaft 1 (201) is rotatably connected to the inner connecting shaft 2 (205); and the outer side of the inner connecting shaft 2 (205) is provided with a self-lubricating sleeve 3 (206).

4. The airbag shock absorber used for the driver seat of engineering machinery according to claim 1, characterized in that: The outer support assembly comprises two outer support blocks (4), the outer portions of the two outer support blocks (4) are rotatably connected to the outer portion of the shaft support plate (108), the outer portions of the outer support blocks (4) are fixedly connected to a spring column (401), the adjacent sides of the two spring columns (401) are fixedly connected to an outer support plate (402), the right side of one of the outer support plates (402) is fixedly connected to an outer rotating plate right (403), the interior of one of the outer support plates (402) is fixedly connected to a self-lubricating sleeve four (404), the adjacent sides of the two outer support plates (402) are fixedly connected to an outer rotating shaft (405), the outer portion of the outer rotating shaft (405) is fixedly connected to an outer shock absorbing plate (406), the interior of one of the outer support plates (402) is fixedly connected to a reinforcing sleeve (407), and the left side of one of the outer support plates (402) is fixedly connected to an outer rotating plate left (408).

5. The airbag shock absorber used for the driver seat of engineering machinery according to claim 1, characterized in that: The bottom plate assembly comprises a lower bottom plate (5), the front and rear sides of the lower bottom plate (5) are respectively rotatably connected to adjacent sides of the two outer support blocks (4), the front and rear sides of the top of the lower bottom plate (5) are fixedly connected to a lower support left (501), the top of the lower bottom plate (5) is fixedly connected to a left reinforcing plate (502), the outside of the left reinforcing plate (502) is fixedly connected to a bushing 2 (503), and the inside of the left reinforcing plate (502) is fixedly connected to a self-lubricating sleeve 5 ( 504), the top of the lower bottom plate (5) is fixedly connected with nut 2 (505), the top of the lower bottom plate (5) is fixedly connected with fixing plate 1 (507), the top of the lower bottom plate (5) is fixedly connected with an airbag seat (508), the top of the airbag seat (508) is fixedly connected with an airbag body (506), the top of the lower bottom plate (5) is fixedly connected with fixing plate 2 (509), and the top front side of the lower bottom plate (5) is fixedly connected with a right reinforcing plate (510).

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