Chassis device capable of reducing operation noise

Abstract

The utility model provides a chassis device capable of reducing operation noise, which comprises a bottom shell and an operating rod, and the operating rod is inserted into the bottom shell and is arranged on the bottom shell in a sliding manner; the operating rod is connected with a sliding block, the sliding block and the operating rod synchronously slide, the bottom shell comprises an outer shell and an inner shell, a containing space is formed between the outer shell and the inner shell, and the sliding block is located in the containing space and slides in the containing space; the chassis device has a first state and a second state, and when the operating rod is inserted into the bottom shell to enable the sliding block to abut against the inner shell, the chassis device is in the first state; when the operating rod slides outwards on the bottom shell to enable the sliding block to abut against the shell, the chassis device is in a second state; a first buffering piece is arranged between the sliding block and the outer shell and provides buffering when the sliding block makes contact with the outer shell, and a second buffering piece is arranged between the sliding block and the inner shell and provides buffering when the sliding block makes contact with the inner shell; noise is reduced, part damage is avoided, the service life is prolonged, and the operation hand feeling and operation feedback can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to furniture field especially a bottom plate device that reduces operation noise. BACKGROUND

[0002] With the improvement of people's living standards, the user's requirement to furniture is higher and higher, the seat as one of the most common furniture, its comfort and functionality are especially valued, to want the seat to achieve more function, realize better comfort, the reform of bottom plate is indispensable, the bottom plate as the most main device for controlling seat movement, the operating lever, button, switch piece arranged on it are also not few, taking the operating lever as an example, some operating levers realize control through rotation, some operating levers realize control through pulling, however, the pull type operating lever has some problems that perplex the factory: when pulling the operating lever, the component located in the bottom plate and arranged on the operating lever will impact the bottom plate, thereby emitting noise, at the same time, it will also cause component damage, affect the service life of the bottom plate. SUMMARY

[0003] In order to solve the above technical problems, the utility model provides a bottom plate device that reduces operation noise, wherein the operating lever is arranged on the bottom shell, the sliding block is arranged on the operating lever, and the outer shell and the inner shell of the bottom shell, the first buffer and the second buffer are arranged between the sliding block and the outer shell and the inner shell, so that when the state is switched, the sliding block, the outer shell and the inner shell are indirectly impacted, and the impact is absorbed through the buffer, which not only reduces the noise, avoids component damage and improves the service life, but also increases the operation feeling and operation feedback, and the user's experience will be better.

[0004] The technical scheme of the utility model is as follows:

[0005] A bottom plate device that reduces operation noise, comprising a bottom shell and an operating lever, the operating lever is inserted on the bottom shell and slidably arranged on the bottom shell, the operating lever is connected with a sliding block, the sliding block and the operating lever slide synchronously, the bottom shell comprises an outer shell and an inner shell, a containing space is formed between the outer shell and the inner shell, the sliding block is located in the containing space and slides in the containing space, the bottom plate device has a first state and a second state, when the operating lever is inserted into the bottom shell to make the sliding block abut against the inner shell, the bottom plate device is in the first state, when the operating lever slides outward on the bottom shell to make the sliding block abut against the outer shell, the bottom plate device is in the second state, a first buffer is arranged between the sliding block and the outer shell and provides buffer when the sliding block and the outer shell contact, a second buffer is arranged between the sliding block and the inner shell and provides buffer when the sliding block and the inner shell contact.

[0006] The operating lever is used to control the moving parts of the seat and can switch different states of the chassis device, and the sliding block enables the pulling movement of the operating lever to be reflected to the inside of the chassis device; a buffer is arranged between the sliding block and the outer shell and the inner shell, so that when the operating lever is pulled, the sliding block inside the chassis will not directly impact the outer shell or the inner shell, and the impact is completed by the buffer, which not only reduces noise, avoids component damage, improves service life, but also increases the operation feeling and operation feedback, and the user experience will be better.

[0007] As a preferred, the first buffer and the second buffer are both rubber. Rubber has low cost, good elasticity and strength, and can be used for energy absorption and buffering to achieve the above effects.

[0008] As a preferred, the first buffer is arranged on the sliding block, and the first buffer comprises a first mounting portion and a first acting portion, the first mounting portion is inserted into the sliding block and is clamped with the sliding block, and the first acting portion protrudes from the surface of the sliding block towards the outer shell. The first buffer is simple to install and can be stably retained on the sliding block, preventing it from falling off after multiple uses; moreover, if the first buffer is arranged on the outer shell, the first buffer is not easy to fix, whether it is clamped or replaced with screws, which will increase the conspicuousness of the outer shell.

[0009] As a preferred, a transmission member is further arranged, the transmission member is slidingly arranged on the inner shell, and one end of the transmission member is inserted into the sliding block and slides together with the sliding block; the sliding block comprises a mounting plate close to the outer shell and a limiting plate arranged in a spaced manner with the mounting plate, and a slot is formed between the limiting plate and the mounting plate, and the transmission member is inserted into the slot. The transmission member is further used to drive the movable parts inside the chassis to realize the movement of the seat, and the transmission member can be linked with the sliding block, so that the movement of the transmission member can be realized by operating the operating lever.

[0010] As a preferred, the first buffer is arranged on the mounting plate, the first mounting portion penetrates through the mounting plate and is clamped with the mounting plate, and the first mounting portion protrudes into the slot; an avoiding slot is formed at the end of the transmission member to avoid the first mounting portion located in the slot. Due to the limited space, the first buffer occupies part of the space of the slot when it is arranged on the mounting plate, and the avoiding slot formed on the transmission member can avoid the first buffer at this position, so that the connection and assembly can be completed in such a small space, and the structure is more compact.

[0011] As a preferred, the second buffer is arranged on the inner shell, and the inner shell comprises a vertical plate located beside the sliding block, and the second buffer is arranged on the vertical plate, the second buffer comprises a second mounting portion and a second acting portion, the second mounting portion is inserted into the vertical plate and penetrates through the vertical plate to be clamped with the vertical plate, and the second acting portion protrudes from the surface of the vertical plate towards the sliding block. The second buffer is directly arranged on the inner shell, and the installation is more convenient than that on the sliding block, and the inner shell is different from the outer shell, and there is no need to consider its conspicuousness, so the second buffer can be directly arranged on the inner shell.

[0012] As preferred, a sliding seat is fixed on the inner shell and located between the inner shell and the outer shell, and the sliding block is arranged in the sliding seat. The sliding seat can keep the sliding block sliding horizontally to prevent the sliding block from being raised upward and ensure the smooth pulling of the operating rod.

[0013] As preferred, a plurality of bent mounting ears are formed on the inner shell, mounting grooves are formed between the mounting ears, and an insertion strip is protruded on the sliding seat and inserted into the mounting grooves. The mounting grooves and the insertion strip are in position fit, and the sliding seat can be directly mounted on the inner shell.

[0014] As preferred, the sliding block and the operating rod are fixedly connected through a screw.

[0015] The design starting point, concept and beneficial effects of the utility model with the above technical scheme are as follows:

[0016] The operating rod is used for controlling the moving part of the seat and can switch different states of the chassis device, and the sliding block can make the pulling movement of the operating rod reflected to the inside of the chassis device; the buffer is arranged between the sliding block and the outer shell and the inner shell, so that when the operating rod is pulled, the sliding block in the chassis does not directly impact on the outer shell or the inner shell, and the impact is completed by the buffer, which not only can reduce noise, avoid component damage and improve service life, but also can increase the operation feeling and operation feedback, and the experience of the user will be better. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a schematic view of the three-dimensional structure of the chassis device in the embodiment of the utility model Figure One ;

[0018] Figure 2 is a schematic view of the three-dimensional structure of the chassis device in the embodiment of the utility model Figure Two ;

[0019] Figure 3 is a schematic view of the three-dimensional structure of the sliding seat arranged between the inner shell and the outer shell in the embodiment of the utility model

[0020] Figure 4 is a schematic view of the three-dimensional structure of the first and second buffers arranged on the sliding block and the inner shell in the embodiment of the utility model

[0021] Figure 5 is a schematic view of the three-dimensional structure of the insertion strip and the mounting ear in the embodiment of the utility model Figure Two ;

[0022] Figure 6 is a schematic view of the three-dimensional structure of the first buffer arranged on the sliding block in the embodiment of the utility model

[0023] Figure 7 is a schematic view of the three-dimensional structure of the transmission member in the embodiment of the utility model

[0024] Figure 8 It is the three-dimensional structure schematic view of the first buffer piece in the embodiment of the utility model;

[0025] Figure 9 It is the three-dimensional structure schematic view of the second buffer piece in the embodiment of the utility model.

[0026] The reference signs are: bottom shell 1;Housing 11;Inner shell 12;Vertical board 121;Operating lever 2;Slide 3;Mounting plate 31;Limiting plate 32;Insert slot 33;First buffer piece 4;First mounting portion 41;First acting portion 42;Second buffer piece 5;Second mounting portion 51;Second acting portion 52;Cylinder 6;Clamping portion 7;Slide 8;Window 9;Transmission 10;Avoidance slot 101;Mounting lug 15;Insert strip 16. DETAILED DESCRIPTION

[0027] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further described in detail below by combining with the drawings and specific embodiments.It should be explained that the embodiments of the present application and the features in the embodiments can be combined mutually without conflict.

[0028] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented by other ways different from the description herein, therefore, the protection scope of the utility model is not limited by the specific embodiments disclosed below.

[0029] In the description of the utility model, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0030] The specific embodiments of the utility model are as follows:

[0031] As Figures 1-4The utility model provides a chassis device that reduces operating noise, comprising a bottom shell 1 and an operating lever 2, the operating lever 2 is inserted on the bottom shell 1 and is slidably arranged on the bottom shell 1, a sliding block 3 is connected to the operating lever 2, the sliding block 3 synchronously slides with the operating lever 2, the bottom shell 1 comprises an outer shell 11 and an inner shell 12, and a containing space is formed between the outer shell 11 and the inner shell 12, the sliding block 3 is located in the containing space and slides in the containing space, the chassis device has a first state and a second state, when the operating lever 2 is inserted into the bottom shell 1 until the sliding block 3 abuts against the inner shell 12, the chassis device is in the first state, when the operating lever 2 slides outward on the bottom shell 1 until the sliding block 3 abuts against the outer shell 11, the chassis device is in the second state, a first buffer 4 is arranged between the sliding block 3 and the outer shell 11 and provides a buffer when the sliding block 3 contacts the outer shell 11, and a second buffer 5 is arranged between the sliding block 3 and the inner shell 12 and provides a buffer when the sliding block 3 contacts the inner shell 12.

[0032] The operating lever 2 is used to control the moving parts of a seat and can switch different states of the chassis device, and the sliding block 3 enables the pulling movement of the operating lever 2 to be reflected to the inside of the chassis device, the buffers are arranged between the sliding block 3 and the outer shell 11 and the inner shell 12, so that when the operating lever 2 is pulled, the sliding block 3 inside the chassis device will not directly impact the outer shell 11 or the inner shell 12, and the impact is completed by the buffers, which not only reduces noise, avoids damage to parts and improves service life, but also increases the operation feeling and operation feedback, and the experience of a user is better.

[0033] Specifically, as Figure 4 , 8As shown in Figure 9, the slider 3 is inserted into the operating rod 2 and fixedly connected to the operating rod 2 by screws; both the first buffer 4 and the second buffer 5 are made of rubber. Rubber is low in cost, has both elasticity and strength, and can be used for energy absorption and buffering to achieve the above-mentioned effect; the first buffer 4 is set on the slider 3, and the first buffer 4 includes a first mounting part 41 and a first actuating part 42. The first mounting part 41 is inserted into the slider 3 and snaps into the slider 3, and the first actuating part 42 protrudes from the surface of the slider 3 toward the outer shell 11; the first buffer 4 is simple to install and can be stably held on the slider 3 to prevent it from falling off after multiple uses; moreover, if the first buffer 4 is set on the outer shell 11, the first buffer 4 is not easy to fix, regardless of Whether it's a snap-fit ​​or a screw-in design, it will increase the abruptness of the outer shell 11. The second buffer 5 is set on the inner shell 12, which includes a vertical plate 121 located next to the slider 3. The second buffer 5 is set on the vertical plate 121 and includes a second mounting part 51 and a second function part 52. The second mounting part 51 is inserted into the vertical plate 121 and passes through the vertical plate 121 to snap-fit ​​it. The second function part 52 protrudes from the surface of the vertical plate 121 toward the slider 3. The second buffer 5 is directly set on the inner shell 12, which is more convenient than setting it on the slider 3. The inner shell 12 is different from the outer shell 11, so there is no need to consider its abruptness. Therefore, the second buffer 5 can be directly set on the inner shell 12.

[0034] The mounting part includes a column 6 and a snap-fit ​​part 7. The diameter of the snap-fit ​​part 7 is larger than that of the column 6, and the snap-fit ​​part 7 is frustoconical. The closer it is to the column 6, the larger its diameter becomes. The snap-fit ​​part 7 is also provided with a slot that extends all the way to the column 6 so that its deformation can pass through the mounting hole on the slider 3 or the vertical plate 121 for mounting the buffer, and after passing through the mounting hole, it recovers its deformation to achieve snap-fit.

[0035] like Figures 4-7 As shown, a slide block 8 is fixedly provided on the inner shell 12. The slide block 8 is located between the inner shell 12 and the outer shell 11, and the slider 3 is disposed in the slide block 8. The slide block 8 can keep the slider 3 sliding horizontally to prevent the slider 3 from tilting upwards, and can also ensure the smooth pulling of the operating lever 2. Specifically, a number of bent mounting ears 15 are formed on the inner shell 12, and mounting grooves are formed between the mounting ears 15. An insert 16 is protruding on the slide block 8 and is inserted into the mounting groove. The mounting groove and the insert 16 are tightly fitted, which makes it convenient for the slide block 8 to be directly installed on the inner shell 12.

[0036] Further comprising a transmission member 10, the transmission member 10 is slidingly arranged on the inner shell 12, the sliding seat 8 is provided with a window 9, one end of the transmission member 10 is inserted into the sliding block 3 in the sliding seat 8 through the window 9 and slides together with the sliding block 3; the sliding block 3 comprises a mounting plate 31 close to the outer shell 11 and a limiting plate 32 arranged in space from the mounting plate 31, the limiting plate 32 and the mounting plate 31 form a slot 33 therebetween, and the transmission member 10 is inserted into the slot 33; the transmission member 10 is further used to drive the movable components in the chassis to realize the seat movement, the transmission member 10 can be linked with the sliding block 3, and the movement of the transmission member 10 can be realized by operating the operating rod 2.

[0037] The first buffering member 4 is arranged on the mounting plate 31, the first mounting portion 41 passes through the mounting plate 31 and is clamped with the mounting plate 31, and the first mounting portion 41 protrudes into the slot 33; the end of the transmission member 10 is provided with a avoiding slot 101 to avoid the first mounting portion 41 located in the slot 33; due to the limited space, the first buffering member 4 occupies part of the space of the slot 33 after being arranged on the mounting plate 31, and the avoiding slot 101 provided on the transmission member 10 can avoid the first buffering member 4 at this position, so that the connection assembly is completed in such a small space, and the structure is more compact.

Claims

1. A chassis device for reducing operating noise, characterized in that: The device includes a base shell and an operating lever. The operating lever is inserted into and slidably mounted on the base shell. A slider is connected to the operating lever, and the slider slides synchronously with the operating lever. The base shell includes an outer shell and an inner shell, forming an accommodating space between the outer shell and the inner shell. The slider is located in and slides within this accommodating space. The chassis device has a first state and a second state. When the operating lever is inserted into the base shell until the slider abuts against the inner shell, the chassis device is in the first state. When the operating lever slides outward on the base shell until the slider abuts against the outer shell, the chassis device is in the second state. A first buffer is provided between the slider and the outer shell to provide cushioning when the slider contacts the outer shell, and a second buffer is provided between the slider and the inner shell to provide cushioning when the slider contacts the inner shell.

2. The chassis device for reducing operating noise according to claim 1, characterized in that: Both the first and second buffer components are made of rubber.

3. The chassis device for reducing operating noise according to claim 1, characterized in that: The first buffer is disposed on the slider. The first buffer includes a first mounting part and a first actuating part. The first mounting part is inserted into the slider and engaged with the slider. The first actuating part protrudes from the surface of the slider toward the outer shell.

4. The chassis device for reducing operating noise according to claim 3, characterized in that: It also includes a transmission component, which is slidably mounted on the inner shell. One end of the transmission component is inserted into the slider and slides together with the slider. The slider includes a mounting plate near the outer shell and a limiting plate spaced apart from the mounting plate. A slot is formed between the limiting plate and the mounting plate, and the transmission component is inserted into the slot.

5. The chassis device for reducing operating noise according to claim 4, characterized in that: The first buffer is mounted on the mounting plate, the first mounting part passes through the mounting plate and is engaged with the mounting plate, and the first mounting part protrudes from the slot; the end of the transmission member is provided with a clearance groove to avoid the first mounting part located in the slot.

6. The chassis device for reducing operating noise according to claim 1, characterized in that: The second buffer is disposed on the inner shell, which includes a vertical plate located next to the slider. The second buffer is disposed on the vertical plate and includes a second mounting part and a second action part. The second mounting part is inserted into the vertical plate and passes through the vertical plate to engage with it. The second action part protrudes from the surface of the vertical plate toward the slider.

7. The chassis device for reducing operating noise according to claim 1, characterized in that: A slide block is fixedly provided on the inner shell, and the slide block is located between the inner shell and the outer shell. The slider is disposed in the slide block.

8. The chassis device for reducing operating noise according to claim 7, characterized in that: Several bent mounting ears are formed on the inner shell, and mounting grooves are formed between the mounting ears. An insert is protruding on the slide and is inserted into the mounting groove.

9. The chassis device for reducing operating noise according to claim 1, characterized in that: The slider and the operating lever are fixedly connected by screws.

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