CN221340320U - Cylindrical lifting device with buffer - Google Patents

Abstract

The utility model relates to the technical field of vehicle seat lifting equipment, and discloses a cylindrical lifting device with a buffer, which comprises a lifting mechanism and an adjusting support, wherein the lifting mechanism comprises an outer sleeve, an inner lifting pipe, a pneumatic rod and a damping component, the bottom of the outer sleeve is provided with a base, the inner lifting pipe is arranged in the outer sleeve in a sliding manner, the pneumatic rod is arranged in the inner lifting pipe, a fixed end at the bottom of the pneumatic rod is connected with the damping component, a lifting end at the top of the pneumatic rod is connected with the top of the inner lifting pipe, the damping component is arranged on the base through a mounting plate, the adjusting support is connected with the top of the inner lifting pipe through a bushing, and an adjusting end of the adjusting support is abutted against a pneumatic release button of the pneumatic rod. The utility model is integrally cylindrical, can be installed and used in a narrow space, can meet the lifting function of the seat, has the buffering capacity, and effectively improves the comfort of the seat.

Description

Cylindrical lifting device with buffer

Technical Field

The utility model relates to the technical field of vehicle seat lifting equipment, in particular to a cylindrical lifting device with a buffer.

Background

In these special vehicles such as trains, ships, special vehicles and the like, the seat needs to possess the lift adjustable function for satisfy the position of sitting demand of the people of different heights weight, at present special vehicles mainly adopt scissors formula elevation structure or many connecting rod hinge structure to realize the altitude mixture control, for example chinese patent publication No. CN213861940U discloses a special vehicle seat of travelling comfort, including the mounting groove, one side of mounting groove is provided with the round hole, the inside of mounting groove is provided with horizontal adjustment subassembly, horizontal adjustment subassembly's inside movable mounting has translation frame, translation frame's inside is provided with upper and lower adjustment subassembly, upper and lower adjustment subassembly's top fixed mounting has the support frame, the outside fixed mounting of support frame has the cushion, one side fixed mounting of cushion has the safety belt interface, the opposite side of cushion is fixed mounting respectively and is adjusted switch, ventilation switch and heating switch, one side of back adjustment subassembly is fixed mounting has the back, the inside of back and cushion is provided with the heating element, the inside of back and cushion is provided with the upper and lower adjustment subassembly, the inside of translation frame is provided with upper and lower adjustment subassembly, upper and lower adjustment subassembly's top is provided with the back of back and is provided with the back bag.

Along with the progress of science and technology, the special vehicles are continuously updated and iterated, and in the special vehicles which can be contacted by people, the seats of the special vehicles have more and more technical requirements, and the design is more focused on the aspects of light weight and comfort. The comfort requires that the seat has a buffering function, namely the buffering function is often called shock absorption and shock absorption, and when vehicles or ships and vessels of maritime navigation are in the running process, the seat with the buffering function can effectively buffer and protect drivers and passengers.

The prior art has at least the following problems: firstly, the narrow and small position in space has installation restriction, and scissors formula elevation structure or many connecting rod formula hinge elevation structure are inconvenient for the installation, secondly scissors formula elevation structure, many connecting rod formula hinge elevation structure are inconvenient for operation and maintenance.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model develops the cylindrical lifting device with the buffer, which can be installed and used in a narrow space, can also meet the lifting function of the seat, has the buffer capacity and effectively improves the comfort of the seat.

The technical scheme for solving the technical problems is as follows: the utility model provides a take tube-shape liftable device of buffering, including elevating system and regulation support, elevating system includes the outer tube, interior lifter, pneumatic bar and damper, the bottom of outer tube is equipped with the base, interior lifter slides and sets up in the outer tube, the pneumatic bar sets up inside the lifter, the stiff end and the damper of pneumatic bar bottom are connected, the lift end and the interior lifter top at pneumatic bar top are connected, damper passes through the mounting panel and sets up on the base, the regulation support passes through the bush and is connected with interior lifter top, the regulation end of regulation support is connected with the atmospheric pressure release button butt of pneumatic bar.

As optimization, the damping component comprises a damping sleeve, an upper plug and a lower plug, wherein the top of the damping sleeve is provided with a baffle, the bottom of the damping sleeve is connected with a mounting plate, the upper plug and the lower plug are arranged inside the damping sleeve, a pressure spring is arranged between the upper plug and the lower plug, and the fixed end of the air pressure rod penetrates through the baffle to be connected with the upper plug. Through setting up the damping sleeve, can limit the pressure spring, make the pressure spring shrink and change in vertical direction, the baffle at the top of the damping sleeve can limit the upper choke plug, prevent the upper choke plug from breaking away from the damping sleeve; through setting up end cap and lower end cap, go up the end cap and can connect the pneumatic rod compression pressure spring, the pressure spring can be fixed to lower end cap, and the cooperation is gone up the end cap and is prevented that the pressure spring from shaking at damping sleeve is indiscriminate.

As an optimization, the mounting plate is connected with the base through a bolt, and the lower plug is connected with the center of the mounting plate through the bolt. The lower plug can be fixedly connected with the mounting plate, so that the pressure spring is further prevented from swaying in the damping sleeve, and the stability is improved.

As optimization, the inner side of the outer sleeve is at least provided with a group of convex strips, and the inner lifting pipe is provided with a chute corresponding to the convex strips. Through setting up sand grip and spout, can prevent that interior tedge from rotating in the outer tube, avoid taking place to rotate when meetting the impact.

As optimization, the top of outer tube is equipped with fixed cover and slip cap, and slip cap cover is established between outer tube and interior lifter, and the lower surface of slip cap top flange and the upper surface butt at outer tube top, and fixed cover is established in the outside of outer tube. Through setting up the slip cap, can guarantee that interior lifting tube does not have great rocking in the lift process, can also guarantee that damper assembly bradyseism back, the in-process of resilience can not produce big collision abnormal sound; through setting up fixed cover, can fix the slip cap, prevent that the slip cap from deviating from.

As the optimization, adjust the support and include support body, the handle, the pivot fixing base, touch switch and torsional spring, the top of support body is equipped with the recess, recess central authorities are equipped with the through-hole, the pivot fixing base sets up in the recess, be equipped with the pivot on the handle, the inner of pivot pass behind support body and the pivot fixing base in proper order with touch switch fixed connection, the torsional spring cover is established in the pivot, the both ends of torsional spring are connected with pivot fixing base and touch switch respectively, the atmospheric pressure release button setting of atmospheric pressure stick elevating end is in the through-hole, the top and the touch switch butt of atmospheric pressure release button. The seat can be connected with the seat by arranging the support body; the groove is formed in the support body, so that the rotating shaft fixing seat, the touch switch and the torsion spring can be accommodated and installed; the handle, the rotating shaft and the touch switch are arranged, so that a user can conveniently control the pressing of the air pressure release button, and the air pressure rod is adjusted; the rotating shaft fixing seat is arranged, so that the rotating shaft can be limited, and the rotating shaft can rotate in the rotating shaft fixing seat; through setting up the torsional spring, can make the touch switch reset after the user releases the handle, thereby make atmospheric pressure release button reset and make the atmospheric pressure stick keep high.

As optimization, the outer side of the outer sleeve is sleeved with a reinforcing seat, the reinforcing seat is connected with the base through a bolt, and the bottom of the reinforcing seat is tightly attached to the base. Through setting up the enhancement seat, can strengthen the joint strength of outer tube and base.

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

The inner lifting pipe can be lifted in the outer sleeve by arranging the outer sleeve; the inner lifting pipe is arranged, so that the air pressure rod can be protected, and the air pressure rod stretches and stretches to lift in the outer sleeve; the height of the seat can be adjusted in a lifting way by arranging the air pressure rod; through the arrangement of the damping component, the pneumatic rod can be damped, the pneumatic rod is prevented from bearing high-strength impact, and the whole device can bear high-strength impact; by arranging the base, the whole device can be fixedly arranged on the carrier; the height of the air pressure rod can be adjusted to rise and fall by arranging the adjusting support; the damping component can be stably connected with the base through the installation plate; the utility model is integrally cylindrical, can be installed and used in a narrow space, can meet the lifting function of the seat, has the buffering capacity, and effectively improves the comfort of the seat.

Drawings

Fig. 1 is a front view of an embodiment of the present utility model.

Fig. 2 is an exploded view of a lifting mechanism, a base, and a reinforcing seat according to an embodiment of the present utility model.

Fig. 3 is a schematic diagram illustrating an internal structure of a lifting mechanism according to an embodiment of the utility model.

Fig. 4 is a schematic view of the structure of an adjusting support in an embodiment of the present utility model.

FIG. 5 is a schematic view of the internal structure of a damper assembly according to an embodiment of the present utility model.

FIG. 6 is an exploded view of a shock assembly according to one embodiment of the present utility model.

FIG. 7 is a schematic view of a bushing in an embodiment of the utility model.

In the figure 1, a lifting mechanism; 2. a base; 3. adjusting the support; 4. a bushing; 5. a reinforcing seat;

11. An outer sleeve; 111. a convex strip; 12. an inner lifting tube; 121. a chute; 13. a pneumatic rod; 14. a shock absorbing assembly; 15. a mounting plate; 16. a fixed sleeve; 17. a sliding sleeve;

31. A support body; 311. a groove; 312. a through hole; 32. a handle; 321. a rotating shaft; 33. a rotating shaft fixing seat; 34. a touch switch; 35. a torsion spring;

141. A shock absorbing sleeve; 142. an upper plug; 143. a lower plug; 144. a compression spring.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present utility model will be described in detail below with reference to the following detailed description and the accompanying drawings.

Example 1

Fig. 1 to 7 show an embodiment of the present utility model, as shown in the drawings, a cylindrical lifting device with buffer, comprising a lifting mechanism 1 and an adjusting support 3, wherein the lifting mechanism 1 comprises an outer sleeve 11, an inner lifting tube 12, a pneumatic rod 13 and a damping component 14, the bottom of the outer sleeve 11 is fixedly provided with a base 2, the inner lifting tube 12 is slidably arranged in the outer sleeve 11, the pneumatic rod 13 is arranged in the inner lifting tube 12, the fixed end at the bottom of the pneumatic rod 13 is connected with the damping component 14, the lifting end at the top of the pneumatic rod 13 is connected with the top of the inner lifting tube 12, the damping component 14 is arranged on the base 2 through a mounting plate 15, the adjusting support 3 is connected with the top of the inner lifting tube 12 through a bushing 4, and the adjusting end of the adjusting support 3 is abutted with a pneumatic release button of the pneumatic rod 13.

By providing the outer jacket tube 11, the inner lift tube 12 can be lifted and lowered in the outer jacket tube 11; by providing the inner lifting tube 12, the air pressure bar 13 can be protected, and can lift in the outer sleeve 11 along with the expansion and contraction of the air pressure bar 13; the height of the seat can be adjusted in a lifting way by arranging the air pressure rod 13; through setting up damper 14, can cushion the air pressure bar 13, avoid the air pressure bar 13 to bear high strength and strike, make the whole device can bear high strength and strike, and damper 14 sets up in the bottom of air pressure bar 13, can make the atress more concentrated; by providing the base 2, the whole device can be fixedly mounted on the carrier; the height of the air pressure rod 13 can be adjusted to rise and fall by arranging the adjusting support 3; the damping assembly 14 can be stably connected with the base 2 by providing the mounting plate 15.

The damping component 14 comprises a damping sleeve 141, an upper plug 142 and a lower plug 143, wherein a baffle is arranged at the top of the damping sleeve 141, the bottom of the damping sleeve 141 is connected with the mounting plate 15, the upper plug 142 and the lower plug 143 are slidably arranged inside the damping sleeve 141, a pressure spring 144 is arranged between the upper plug 142 and the lower plug 143, and the fixed end of the air pressure rod 13 passes through the baffle and is in threaded connection with the upper plug 142. Through the arrangement of the damping sleeve 141, the pressure spring 144 can be limited, so that the pressure spring 144 is contracted and changed in the vertical direction, the baffle plate at the top of the damping sleeve 141 can limit the upper plug 142, and the upper plug 142 is prevented from being separated from the damping sleeve 141; through setting up end cap 142 and lower end cap 143, go up end cap 142 and can connect air bar 13 compression pressure spring 144, lower end cap 143 can fix pressure spring 144, and cooperation last end cap 142 prevents that pressure spring 144 from shaking at damper sleeve 141 in disorder.

The edge of the mounting plate 15 is connected with the base 2 by bolts, and the lower plug 143 is connected with the center of the mounting plate 15 by bolts and gaskets. The lower plug 143 can be fixedly connected with the mounting plate 15, so that the pressure spring 144 is further prevented from swaying in the damping sleeve 141, and the stability is improved.

At least one group of raised strips 111 are arranged on the inner side of the outer sleeve 11, and a sliding groove 121 corresponding to the raised strips 111 is arranged on the inner lifting tube 12. By providing the protruding strips 111 and the sliding grooves 121, the inner lifting tube 12 can be prevented from rotating in the outer sleeve 11, and rotation during impact can be avoided.

The top of outer tube 11 is equipped with fixed cover 16 and slip cap 17, and slip cap 17 cover is established between outer tube 11 and interior lifting tube 12, and the lower surface of slip cap 17 top flange and the upper surface butt at outer tube 11 top, and fixed cover 16 cover is established in the outside of outer tube 11, and fixed cover 16 passes through screw and outer tube 11 fixed connection, and the flange butt at slip cap 17 top is held up to the interior baffle at fixed cover 16 top. By arranging the sliding sleeve 17, the inner lifting pipe 12 can be ensured not to shake greatly in the lifting process, and the large collision abnormal sound can be avoided in the rebound process after the shock absorption of the shock absorption component 14; by providing the fixing sleeve 16, the slide sleeve 17 can be fixed, and the slide sleeve 17 is prevented from coming out.

The adjusting support 3 comprises a support body 31, a handle 32, a rotating shaft fixing seat 33, a touch switch 34 and a torsion spring 35, a groove 311 is formed in the top of the support body 31, a through hole 312 is formed in the center of the groove 311, the rotating shaft fixing seat 33 is fixedly arranged in the groove 311, a rotating shaft 321 is arranged on the handle 32, the inner end of the rotating shaft 321 sequentially penetrates through the support body 31 and the rotating shaft fixing seat 33 and then is fixedly connected with the touch switch 34, the torsion spring 35 is sleeved on the rotating shaft 321, two ends of the torsion spring 35 are respectively connected with the rotating shaft fixing seat 33 and the touch switch 34, an air pressure release button at the lifting end of the air pressure rod 13 is arranged in the through hole 312, and the top of the air pressure release button is in butt joint with the touch switch 34. By providing the holder body 31, it is possible to connect with the seat; by providing the recess 311 in the holder body 31, the mounting shaft fixing seat 33, the touch switch 34, and the torsion spring 35 can be accommodated; by providing the handle 32, the rotating shaft 321 and the touch switch 34, a user can conveniently control the pressing of the air pressure release button, thereby adjusting the air pressure bar 13; by arranging the rotating shaft fixing seat 33, the rotating shaft 321 can be limited, so that the rotating shaft 321 rotates in the rotating shaft fixing seat 33; by providing the torsion spring 35, the touch switch 34 can be reset after the user releases the handle 32, resetting the air pressure release button and thus maintaining the height of the air pressure bar 13.

The outside cover of outer tube 11 is equipped with the reinforcing seat 5, and reinforcing seat 5 passes through the bolt to be connected with base 2, and the bottom of reinforcing seat 5 hugs closely with the upper surface of base 2. By providing the reinforcing base 5, the connection strength between the outer sleeve 11 and the base 2 can be enhanced.

When the seat is used, the seat is arranged on the top of the adjusting support 3, the base 2 is arranged on a special vehicle, when a user sits on the seat and needs to adjust the height, the user operates the handle 32 by hand, the touch switch 34 is driven to be pressed down through the rotating shaft 321, and the touch switch 34 presses the air pressure release button at the lifting end of the air pressure rod 13, so that the height of the seat can be adjusted; when the air pressure rod 13 needs to be lowered, a user needs to sit on the seat to retract the air pressure rod 13 by self gravity; when the pressure of the weight on the seat is reduced by slightly lifting the buttocks of a user when the pressure needs to be increased, the air pressure rod 13 is unfolded and increased; when the proper height is reached, the handle 32 is loosened, the pneumatic rod 13 maintains the state unchanged, and the lifting adjustment is completed; the inner lifting tube 12 is driven to stretch out and draw back in the sleeve 11 by the air pressure rod 13 in the lifting process, so that the air pressure rod 13 is protected, and no loud sound is generated under the action of the sliding sleeve 17; when receiving abrupt high strength impact, elevating system 1, base 2 and the enhancement seat 5 of tube-shape design can bear the impact strength of high strength, and simultaneously pneumatic rod 13 and damper 14 can cooperate each other and cushion the shock attenuation, improves user's riding comfort.

The description of the orientation or relative positional relationship of the structures in the present utility model, such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the structures referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Claims (7)

1. The utility model provides a take tube-shape liftable device of buffering, includes elevating system (1) and adjusts support (3), characterized by: elevating system (1) including outer tube (11), interior lifter (12), pneumatic bar (13) and damper (14), the bottom of outer tube (11) is equipped with base (2), interior lifter (12) slip sets up in outer tube (11), pneumatic bar (13) set up inside lifter (12), the stiff end and the damper (14) of pneumatic bar (13) bottom are connected, the lift end and the interior lifter (12) top at pneumatic bar (13) top are connected, damper (14) set up on base (2) through mounting panel (15), adjust support (3) are connected at interior lifter (12) top through bush (4), adjust the regulation end of support (3) and the atmospheric pressure release button butt of pneumatic bar (13).

2. The buffered tubular lifting device of claim 1, wherein: the damping component (14) comprises a damping sleeve (141), an upper plug (142) and a lower plug (143), wherein a baffle is arranged at the top of the damping sleeve (141), the bottom of the damping sleeve (141) is connected with a mounting plate (15), the upper plug (142) and the lower plug (143) are arranged inside the damping sleeve (141), a pressure spring (144) is arranged between the upper plug (142) and the lower plug (143), and the fixed end of the air pressure rod (13) penetrates through the baffle to be connected with the upper plug (142).

3. The buffered tubular lifting device of claim 2, wherein: the mounting plate (15) is connected with the base (2) through bolts, and the lower plug (143) is connected with the center of the mounting plate (15) through bolts.

4. The buffered tubular lifting device of claim 1, wherein: at least one group of raised strips (111) are arranged on the inner side of the outer sleeve (11), and a chute (121) corresponding to the raised strips (111) is arranged on the inner lifting tube (12).

5. The buffered tubular lifting device of claim 4 wherein: the top of outer tube (11) is equipped with fixed cover (16) and slip cap (17), and slip cap (17) cover is established between outer tube (11) and interior lifting tube (12), and the lower surface of slip cap (17) top flange and the upper surface butt at outer tube (11) top, and the outside at outer tube (11) is established to fixed cover (16) cover.

6. The buffered tubular lifting device of claim 1, wherein: the adjusting support (3) comprises a support body (31), a handle (32), a rotating shaft fixing seat (33), a touch switch (34) and a torsion spring (35), wherein a groove (311) is formed in the top of the support body (31), a through hole (312) is formed in the center of the groove (311), the rotating shaft fixing seat (33) is arranged in the groove (311), a rotating shaft (321) is arranged on the handle (32), the inner end of the rotating shaft (321) sequentially penetrates through the support body (31) and the rotating shaft fixing seat (33) and then is fixedly connected with the touch switch (34), the torsion spring (35) is sleeved on the rotating shaft (321), two ends of the torsion spring (35) are respectively connected with the rotating shaft fixing seat (33) and the touch switch (34), an air pressure release button at the lifting end of an air pressure rod (13) is arranged in the through hole (312), and the top of the air pressure release button is in butt with the touch switch (34).

7. The buffered tubular lifting device of any of claims 1-6, wherein: the outside cover of outer tube (11) is equipped with reinforcing seat (5), and reinforcing seat (5) are connected with base (2) through the bolt, and the bottom of reinforcing seat (5) is hugged closely with the upper surface of base (2).