CN220483141U

CN220483141U - Chair with protection mechanism

Info

Publication number: CN220483141U
Application number: CN202321889813.1U
Authority: CN
Inventors: 沈思杨; 刘元秋; 高宾; 胡顺梅; 黄方才; 罗珍
Original assignee: Zhejiang Xike Industrial Co ltd
Current assignee: Zhejiang Xike Industrial Co ltd
Priority date: 2023-07-18
Filing date: 2023-07-18
Publication date: 2024-02-13
Anticipated expiration: 2033-07-18

Abstract

The utility model discloses a seat with a protection mechanism, which relates to the technical field of seats, and comprises a seat, wherein a damping component for damping is arranged on the lower end face of the seat, the damping component comprises a bearing box and a buffer barrel, the bearing box is positioned on the lower end face of the seat, the buffer barrel is fixedly connected with the inner wall of the bearing box far away from an opening end, a sealing plug is slidably arranged in an inner cavity of the buffer barrel, a buffer shaft is elastically arranged on the upper end face of the sealing plug, the other end of the buffer shaft extends to the upper end face of the buffer barrel, and one end of the buffer shaft extending to the upper end face of the buffer barrel is fixedly connected with the lower end face of the seat. Through damper, can absorb the vibrations that the driver produced to reduce damper's speed when resetting through damper, and then reduced the vibration range of driver when the freight train is gone, play the effect of protection to the driver, prevent to take place to break away from between driver's hand and the steering wheel, reduced the adverse effect that causes the normal travel of freight train.

Description

Chair with protection mechanism

Technical Field

The utility model relates to the technical field of seats, in particular to a seat with a protection mechanism.

Background

The main function of the seat is that people need to rest at the rest position, and the seat of the truck driver seat not only provides the rest position for the driver, but also absorbs the vibration generated by the running movement of the truck, so that the purpose of damping the driver is achieved, and the running safety of the truck is improved.

When goods are transported, a truck driver needs to sit on the seat for a long time, and the seat bottom of the truck driver seat is generally provided with a spring or other elastic pieces capable of absorbing shock generated in truck driving, so that the shock absorbing effect is achieved on the driver, but after the elastic pieces are compressed due to the fact that the existing seat of the truck driver seat is influenced by the truck, the elastic pieces can be quickly released, the driver is caused to shake along with the seat up and down to a large extent, hands of the driver are easy to separate from a steering wheel, and then adverse effects are caused on normal driving of the truck.

There is therefore a need for a new type of seat with a protective mechanism.

Disclosure of Invention

In order to achieve the above purpose, the present utility model provides the following technical solutions: a seat with a protection mechanism comprises a seat, wherein a damping component for damping is arranged on the lower end face of the seat.

The damping component comprises a bearing box and a buffer barrel, the bearing box is located on the lower end face of the seat, the buffer barrel and the bearing box are fixedly connected with the inner wall of the opening end, a sealing plug is slidably mounted in the inner cavity of the buffer barrel, the upper end face of the sealing plug is elastically provided with a buffer shaft, the other end of the buffer shaft extends to the upper end face of the buffer barrel, the buffer shaft extends to one end of the upper end face of the buffer barrel and the lower end face of the seat are fixedly connected, and a buffer component for reducing the reset speed of the buffer shaft is arranged in the inner cavity of the buffer barrel.

Preferably, the damping component further comprises a bearing disc, one end of the bearing disc is fixedly connected with one end, far away from the sealing plug, of the buffer shaft, the other end of the bearing disc is fixedly connected with the lower end face of the seat, and the diameter of the bearing disc is not smaller than that of the buffer shaft.

Preferably, the outer wall of the buffer shaft is fixedly sleeved with a cylindrical elastic piece, and the other end of the cylindrical elastic piece is fixedly connected with the inner wall of the buffer cylinder.

Preferably, the buffer assembly comprises an air outlet pipe, the air outlet pipe is fixedly connected with the outer wall of the buffer barrel, one end of the air outlet pipe is inserted into the inner cavity of the buffer barrel, a first guide rod is elastically installed in the inner cavity of the air outlet pipe, one end of the first guide rod, which is far away from the inner cavity of the buffer barrel, is fixedly provided with a first sealing plate, the inner wall of the air outlet pipe is fixedly provided with a first sealing ring, and one end, which is close to the first guide rod, of the first sealing plate and one end, which is far away from the inner cavity of the buffer barrel, of the first sealing plate are mutually attached.

Preferably, the buffer assembly further comprises an air inlet pipe, the outer wall of the air inlet pipe and the outer wall of the buffer cylinder are fixedly connected, a second guide rod is elastically installed in the inner cavity of the air inlet pipe, a second sealing plate is fixedly installed at one end, close to the inner cavity of the buffer cylinder, of the second guide rod, a second sealing ring is fixedly installed in the inner cavity of the air inlet pipe, and one end, close to the inner cavity of the buffer cylinder, of the second sealing ring is attached to one end, close to the second guide rod, of the second sealing plate.

Preferably, a limiting ring is fixedly arranged in the inner cavity of the buffer cylinder, and the limiting ring is positioned between the sealing plug and the air outlet pipe.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, vibration generated by a driver can be absorbed through the damping component, and the speed of the damping component during resetting is reduced through the damping component, so that the vibration amplitude of the driver during truck driving is reduced, the driver is protected, the driver is prevented from being separated from the steering wheel, and adverse effects on normal truck driving are reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an assembled view of the seat and tray of the present utility model;

FIG. 3 is a cross-sectional view of a surge drum of the present utility model;

FIG. 4 is an enlarged view of the structure of FIG. 3A in accordance with the present utility model;

fig. 5 is an enlarged view of the structure at B in fig. 3 according to the present utility model.

In the figure: 1. a seat; 2. a carrying case; 3. a buffer shaft; 4. a buffer tube; 5. a carrying tray; 6. a sealing plug; 7. a limiting ring; 8. a second seal ring; 9. a second sealing plate; 10. a first sealing plate; 11. an air inlet pipe; 12. a second guide bar; 13. a first guide bar; 14. an air outlet pipe; 15. a first seal ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-5, a seat with a protection mechanism is shown in the drawings, and the seat comprises a seat 1, wherein a damping component for damping is arranged on the lower end surface of the seat 1, the seat 1 can provide a rest position for a driver, so that the driver can easily drive a truck, and meanwhile, the comfort and the stability of the truck during running are improved.

The shock assembly includes bears case 2 and buffer tube 4, bears case 2 and is located the lower terminal surface of seat 1, bears the lower terminal surface of case 2 and the driver's seat bottom plate connection of freight train to improve the stability of bearing case 2 installation, simultaneously to the accurate location of the mounted position of seat 1.

The inner wall fixed connection that open end was kept away from to buffer tube 4 and carrier box 2, and slidable mounting has sealing plug 6 in the inner chamber of buffer tube 4, and buffer tube 4 is fixed mounting has a plurality ofly in the inner chamber of carrier box 2, and a plurality of buffer tubes 4 are installed in the different positions of carrier box 2 inner chamber.

The upper end face elastic mounting of sealing plug 6 has buffering axle 3, and the outer wall of buffering axle 3 has fixedly cup jointed cylindricality elastic component, and the other end of cylindricality elastic component and the inner wall fixed connection of a buffer section of thick bamboo 4, and cylindricality elastic component comprises reset spring, and reset spring can provide one to buffering axle 3 continuously to keeping away from the gliding thrust of buffer section of thick bamboo 4 inner chamber bottom direction to the buffering axle 3 is to the support and the reset of seat 1.

The other end of the buffer shaft 3 extends to the upper end face of the buffer cylinder 4, one end of the buffer shaft 3 extending to the upper end face of the buffer cylinder 4 is fixedly connected with the lower end face of the seat 1, a buffer component for reducing the reset speed of the buffer shaft 3 is arranged in the inner cavity of the buffer cylinder 4, when a truck jolts in the running process, a driver is applied with a pressure towards the ground direction by jolt to the seat 1, the seat 1 is stressed to move towards the direction of the bearing box 2, at the moment, the cylindrical elastic piece is stressed and compressed, meanwhile, the air pressure between the sealing plug 6 and the bottom of the inner cavity of the buffer cylinder 4 rises, so that air between the sealing plug 6 and the bottom of the inner cavity of the buffer cylinder 4 is rapidly discharged to the outside of the buffer cylinder 4 through the buffer component, and the purpose of damping the seat 1 is achieved.

Further, after the cylindricality elastic component absorbs the pressure completely, the cylindricality elastic component releases self elasticity potential energy, leads to buffer shaft 3 to remove in opposite direction, and sealing plug 6 and buffer section of thick bamboo 4 inner chamber bottom form negative pressure cavity this moment, and the external air leads to in the inner chamber that leads to buffer section of thick bamboo 4 through buffer assembly slowly flows, causes buffer shaft 3's reset rate comparatively slow, and then plays the effect of protection to the driver, prevents to take place to break away from between driver's hand and the steering wheel, has reduced the adverse effect that causes the normal travel to the freight train.

The damping assembly further comprises a bearing disc 5, one end of the bearing disc 5 is fixedly connected with one end of the buffer shaft 3, which is far away from the sealing plug 6, and the other end of the bearing disc 5 is fixedly connected with the lower end face of the seat 1, the diameter of the bearing disc 5 is not smaller than that of the buffer shaft 3, the diameter of the bearing disc 5 is larger than that of the buffer shaft 3, the contact area between the buffer shaft 3 and the bottom of the seat 1 is increased, and the stability of the seat 1 in the installation of the upper end face of the bearing box 2 is improved.

Example 2

Referring to fig. 1-5, further modifications were made based on example 1;

the buffer component comprises an air outlet pipe 14, the air outlet pipe 14 is fixedly connected with the outer wall of the buffer cylinder 4, one end of the air outlet pipe 14 is inserted into the inner cavity of the buffer cylinder 4, a first guide rod 13 is elastically installed in the inner cavity of the air outlet pipe 14, a jacking spring is fixedly sleeved on the outer wall of the first guide rod 13, and the other end of the jacking spring is fixedly connected with the inner wall of the air outlet pipe 14.

The first sealing plate 10 is fixedly arranged at one end of the first guide rod 13 far away from the inner cavity of the buffer cylinder 4, the first sealing ring 15 is fixedly arranged on the inner wall of the air outlet pipe 14, one end of the first sealing plate 10 close to the first guide rod 13 and one end of the first sealing ring 15 far away from the inner cavity of the buffer cylinder 4 are mutually attached, one end of the first sealing plate 10 can be attached to one end of the first sealing ring 15 all the time under the action of a jacking spring without being influenced by external force, when the air pressure between the sealing plug 6 and the inner bottom of the buffer cylinder 4 is increased, air flow in the buffer cylinder 4 applies a thrust force to the first sealing plate 10 which moves towards the direction far away from the first sealing ring 15, at the moment, air in the inner cavity of the buffer cylinder 4 can be discharged through the air outlet pipe 14 until the air pressure in the inner cavity of the buffer cylinder 4 is the same as the external air pressure, and the first sealing plate 10 is attached to the side wall of the first sealing ring 15 again when the jacking spring is reset.

The buffer assembly further comprises an air inlet pipe 11, the air inlet pipe 11 is fixedly connected with the outer wall of the buffer barrel 4, a second guide rod 12 is elastically installed in the inner cavity of the air inlet pipe 11, and a limit spring is fixedly installed on the outer wall of the second guide rod 12.

The second sealing plate 9 is fixedly arranged at one end of the second guide rod 12, which is close to the inner cavity of the buffer barrel 4, the second sealing ring 8 is fixedly arranged in the inner cavity of the air inlet pipe 11, one end of the second sealing ring 8, which is close to the inner cavity of the buffer barrel 4, is attached to one end of the second sealing plate 9, which is close to the second guide rod 12, when the air pressure between the sealing plug 6 and the inner bottom of the buffer barrel 4 increases, the air flow in the buffer barrel 4 applies a pressure close to the second sealing ring 8 to the second sealing plate 9, so that the second sealing plate 9 is more tightly attached to the second sealing plate 9, when the buffer shaft 3 is reset under the action of the reset spring, a negative pressure chamber is formed between the sealing plug 6 and the inner bottom of the buffer barrel 4, at the moment, the external air pressure is far greater than the air pressure in the buffer barrel 4, a thrust sliding towards the direction away from the second sealing ring 8 is applied to the second sealing plate 9 until the second sealing plate 8 is separated from contact, at the moment, the external air flows into the inner cavity of the buffer barrel 4 through the air inlet pipe 11 until the external air pressure is the same with the air pressure in the inner bottom of the buffer barrel 4, and the second sealing plate 9 is reset under the action of the limit spring.

Further, the diameter of the inner cavity of the air inlet pipe 11 is half of the diameter of the inner cavity of the air outlet pipe 14, and then the speed of resetting the buffer shaft 3 is half of the speed of moving under the action of pressing down, so that the purpose of slowing down the speed of resetting the buffer shaft 3 is achieved.

The limiting ring 7 is fixedly arranged in the inner cavity of the buffer cylinder 4, the limiting ring 7 is positioned between the sealing plug 6 and the air outlet pipe 14, the limiting effect is achieved on the moving distance of the sealing plug 6, and the sealing plug 6 is prevented from moving between the air outlet pipe 14 and the air inlet pipe 11 to cause blockage of the sealing plug 6 and cause rapid resetting of the sealing plug 6.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process-method-article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process-method-article or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes-modifications-substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A seat with a protective mechanism, characterized in that: the seat comprises a seat (1), wherein a damping component for damping is arranged on the lower end surface of the seat (1);

the shock-absorbing assembly comprises a bearing box (2) and a buffer barrel (4), wherein the bearing box (2) is located on the lower end face of the seat (1), the buffer barrel (4) and the bearing box (2) are fixedly connected with the inner wall of the opening end, a sealing plug (6) is slidably installed in an inner cavity of the buffer barrel (4), a buffer shaft (3) is elastically installed on the upper end face of the sealing plug (6), the other end of the buffer shaft (3) extends to the upper end face of the buffer barrel (4), the buffer shaft (3) extends to one end of the upper end face of the buffer barrel (4) and the lower end face of the seat (1) are fixedly connected, and the buffer assembly for reducing the reset rate of the buffer shaft (3) is arranged in the inner cavity of the buffer barrel (4).

2. A seat with a protective mechanism as claimed in claim 1, wherein: the shock-absorbing assembly further comprises a bearing disc (5), one end of the bearing disc (5) is fixedly connected with one end of the buffer shaft (3) away from the sealing plug (6), the other end of the bearing disc (5) is fixedly connected with the lower end face of the seat (1), and the diameter of the bearing disc (5) is not smaller than the diameter of the buffer shaft (3).

3. A seat with a protective mechanism as claimed in claim 1, wherein: the outer wall of the buffer shaft (3) is fixedly sleeved with a cylindrical elastic piece, and the other end of the cylindrical elastic piece is fixedly connected with the inner wall of the buffer cylinder (4).

4. A seat with a protective mechanism as claimed in claim 1, wherein: the buffer assembly comprises an air outlet pipe (14), the air outlet pipe (14) is fixedly connected with the outer wall of the buffer barrel (4), one end of the air outlet pipe (14) is inserted into the inner cavity of the buffer barrel (4), a first guide rod (13) is elastically installed in the inner cavity of the air outlet pipe (14), one end of the inner cavity of the buffer barrel (4) is fixedly installed with a first sealing plate (10) away from the first guide rod (13), a first sealing ring (15) is fixedly installed on the inner wall of the air outlet pipe (14), and one end, close to the first guide rod (13), of the first sealing plate (10) and one end, far away from the inner cavity of the buffer barrel (4), of the first sealing ring (15) are mutually attached.

5. A seat with a protective mechanism as claimed in claim 4, wherein: the buffer assembly further comprises an air inlet pipe (11), the air inlet pipe (11) is fixedly connected with the outer wall of the buffer cylinder (4), a second guide rod (12) is elastically installed in the inner cavity of the air inlet pipe (11), a second sealing plate (9) is fixedly installed at one end, close to the inner cavity of the buffer cylinder (4), of the second guide rod (12), a second sealing ring (8) is fixedly installed in the inner cavity of the air inlet pipe (11), and one end, close to the inner cavity of the buffer cylinder (4), of the second sealing ring (8) is attached to one end, close to the second guide rod (12), of the second sealing plate (9).

6. A seat with a protective mechanism as claimed in claim 4, wherein: a limiting ring (7) is fixedly arranged in the inner cavity of the buffer cylinder (4), and the limiting ring (7) is positioned between the sealing plug (6) and the air outlet pipe (14).