CN219500709U - Adjustable waist support back cushion - Google Patents

Abstract

The utility model discloses an adjustable waist support headrest, which comprises a back plate, wherein a waist support part is arranged at the outer side of the bottom of the back plate, an adjusting structure is arranged between the bottom end of the back plate and the waist support part, the adjusting structure comprises a fixed block, screw holes, a movable push block, a rotary handle, a support rod, a support pad, a rotating assembly and a limiting assembly, the screw holes are formed in the fixed block in a penetrating manner and are in threaded connection with the movable push block, the outer end of the movable push block is fixed with the rotary handle, and the inner end of the movable push block is in rotary connection with the support rod through the rotating assembly; through the adjusting structure of design, can adjust the protrusion degree of back cushion waist on the back cushion, adapt to different personnel's user demand from this, the benefit of this kind of design lies in, has avoided the use limitation that original cushion waist can not adjust and bring, has promoted the comfort level when different personnel use to the waist support effect of waist support back cushion has been promoted.

Description

Adjustable waist support back cushion

Technical Field

The utility model belongs to the technical field of back rests, and particularly relates to an adjustable waist support back rest.

Background

The centrifugal training is a very important training program for pilots, but in the centrifugal training process, the seat can not be adjusted, and the damage to the waist of the pilots caused by the pressure can be relieved or avoided due to the action of the pressure exerted by the centrifugal, which is needed by the waist muscle contraction and tightening force of the pilots, so that after the centrifugal training of the pilots is finished, the symptoms of waist muscle soreness can occur, and therefore, the waist support pillow which can buffer the action pressure of the centrifugal and has better protection effect on the waist is very necessary, as described in the Chinese patent application with the application number of CN202221421214.2, in the patent, the waist support pillow supports the waist of personnel through the waist cushion design, thereby playing the waist support effect.

However, the existing waist support back rest has certain defects in actual use, and because each person has different body types and different sitting postures, different persons have different demands on the protruding degree of the waist support, the protruding degree of the existing waist support back rest is always fixed, and the existing waist support back rest cannot be well applied to different persons, so that the effect of waist support can be influenced, and therefore, an adjustable waist support back rest needs to be designed additionally.

Disclosure of Invention

The utility model aims to provide an adjustable waist support back cushion, which solves the problem that the protruding degree of the waist of the upper cushion of the traditional waist support back cushion can not be adjusted.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a waist support back cushion with adjustable, includes the backplate, the bottom outside of backplate is provided with fills up the waist, be provided with adjusting structure between backplate bottom and the pad waist, adjusting structure includes fixed block, screw, activity ejector pad, spiral handle, bracing piece, supporting pad, rotating assembly and spacing subassembly, the screw runs through and sets up inside the fixed block and with activity ejector pad threaded connection, activity ejector pad outer end is fixed mutually with the spiral handle, the activity ejector pad inner rotates with the bracing piece through rotating assembly to be connected, supporting pad and bracing piece end fixing and with fill up waist extrusion contact.

Preferably, the rotary handle is of a T-shaped structure, and a rubber sleeve is sleeved on the outer surface of the rotary handle.

Preferably, the rotating assembly comprises a rotating groove and a rotating block, the rotating block is rotatably arranged in the rotating groove, and one end of the supporting rod is fixed with the rotating block.

Preferably, a limiting component is arranged between the supporting rod and the fixed block, the limiting component comprises a fixed disc, a limiting sliding rod and a limiting sliding groove, the fixed disc is fixed on the surface of the supporting rod, the limiting sliding rod is symmetrically fixed on the inner side of the fixed disc, and the limiting sliding groove in sliding connection with the limiting sliding rod is formed in the surface of the fixed block.

Preferably, the support pad is of an arc-shaped structure and is in extrusion contact with the inner side of the waist part of the pad, and a covering gauze is arranged on the outer side of the waist part of the pad.

Preferably, the top surface of backplate is provided with the headrest, be provided with lifting unit between backplate and the headrest, lifting unit includes fixed plate, lift groove, plectrum, fixture block, draw-in hole, telescopic link and expansion tank, the fixed plate symmetry is fixed inboard at the headrest and with lift groove sliding connection, the outer end swing joint of fixed plate has the plectrum, the fixture block is fixed in the inboard of plectrum, the back surface of backplate has seted up the draw-in hole with fixture block assorted.

Preferably, a telescopic rod is fixed on the inner side of the stirring plate, and a telescopic groove in sliding connection with the telescopic rod is formed in the fixing plate.

Preferably, the telescopic rod is of a T-shaped structure, and a spring is arranged between the telescopic rod and the telescopic groove.

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

through the adjusting structure of design, can adjust the protrusion degree of back cushion waist on the back cushion, adapt to different personnel's user demand from this, the benefit of this kind of design lies in, has avoided the use limitation that original cushion waist can not adjust and bring, has promoted the comfort level when different personnel use to the waist support effect of waist support back cushion has been promoted.

Drawings

FIG. 1 is a side cross-sectional view of the present utility model;

FIG. 2 is an enlarged view of a portion of the adjustment structure of FIG. 1 in accordance with the present utility model;

FIG. 3 is a top cross-sectional view of the lift assembly of FIG. 1 in accordance with the present utility model;

in the figure: 100. a back plate; 200. pad waist; 300. covering a gauze; 400. an adjustment structure; 401. a fixed block; 402. a screw hole; 403. a movable pushing block; 404. a rotary handle; 405. a support rod; 406. a support pad; 407. a rotating assembly; 4071. a rotary groove; 4072. rotating the block; 408. a limit component; 4081. a fixed disc; 4082. a limit slide bar; 4083. limiting sliding grooves; 500. a headrest; 600. a lifting assembly; 601. a fixing plate; 602. a lifting groove; 603. a driving plate; 604. a clamping block; 605. a clamping hole; 606. a telescopic rod; 607. a telescopic slot.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Examples

Referring to fig. 1 to 3, the present utility model provides a technical solution: the utility model provides an adjustable waist support back cushion, including backplate 100, pad waist 200 sets up in the bottom outside of backplate 100, be provided with adjustment structure 400 between backplate 100 bottom and the pad waist 200, adjustment structure 400 includes fixed block 401, screw 402, movable push block 403, revolve handle 404, bracing piece 405, supporting pad 406, rotating assembly 407 and spacing subassembly 408, screw 402 runs through and sets up in fixed block 401 inside and with movable push block 403 threaded connection, movable push block 403 outer end is fixed with revolve handle 404, accessible rotates revolve handle 404 and rotates movable push block 403, movable push block 403 inner rotates through rotating assembly 407 and bracing piece 405 to be connected, if want to adjust the protruding degree of pad waist 200, rotatable revolve handle 404, utilize movable push block 403 to promote bracing piece 405, thereby make supporting pad 406 extrude mutually with pad waist 200, play the effect of adjusting the protruding degree of pad waist 200.

In this embodiment, preferably, the rotary handle 404 has a T-shaped structure, and the rubber sleeve is sleeved on the outer surface of the rotary handle 404, so that friction is increased, and slipping is avoided when the rotary handle 404 is rotated.

In this embodiment, preferably, the rotating assembly 407 includes a rotating slot 4071 and a rotating block 4072, the rotating block 4072 is rotatably disposed in the rotating slot 4071, one end of the supporting rod 405 is fixed to the rotating block 4072, and when the movable pushing block 403 rotates, the rotating assembly 407 is designed to prevent the supporting rod 405 from rotating along with the movable pushing block 403.

In this embodiment, preferably, a limiting component 408 is disposed between the supporting rod 405 and the fixing block 401, where the limiting component 408 includes a fixed disk 4081, a limiting slide rod 4082 and a limiting slide groove 4083, and when the supporting rod 405 moves, the limiting slide rod 4082 can slide in the limiting slide groove 4083, so as to play a guiding role on the supporting rod 405, and enable the supporting rod 405 to perform stable translation.

In this embodiment, preferably, the support pad 406 has an arc structure and is in pressing contact with the inner side of the pad waist portion 200, the pad waist portion 200 is made of a flexible material, and the outer side of the pad waist portion 200 is provided with the veil 300, so that the comfort of the lumbar support is improved.

In this embodiment, preferably, the headrest 500 is disposed on the top surface of the back plate 100, the lifting assembly 600 is disposed between the back plate 100 and the headrest 500, the lifting assembly 600 can be used to adjust the height of the headrest 500, the lifting assembly 600 includes a fixing plate 601, a lifting slot 602, a toggle piece 603, a clamping block 604, a clamping hole 605, a telescopic rod 606 and a telescopic slot 607, the fixing plate 601 is symmetrically fixed inside the headrest 500 and slidingly connected with the lifting slot 602, the height adjustment of the headrest 500 can be achieved by sliding the fixing plate 601 inside the lifting slot 602, the toggle piece 603 is movably disposed at the outer end of the fixing plate 601, the clamping block 604 is fixed inside the toggle piece 603, the rear surface of the back plate 100 is provided with a plurality of clamping holes 605 matched with the clamping block 604, and the clamping holes 605 are distributed up and down, so that the position of the headrest 500 is fixed by clamping the clamping block 604 into the inside the clamping hole 605.

In this embodiment, preferably, the inner side of the moving plate 603 is fixed with a telescopic rod 606, the inside of the fixing plate 601 is provided with a telescopic slot 607 and is slidably connected with the telescopic rod 606, the moving plate 603 is moved, the telescopic rod 606 slides in the telescopic slot 607, the moving plate 603 drives the clamping block 604 to move, so that the clamping block is separated from the inside of the clamping hole 605, the fixing of the headrest 500 is released, and the subsequent adjustment of the headrest 500 is facilitated.

In this embodiment, preferably, the telescopic rod 606 has a T-shaped structure, preventing the telescopic rod 606 from falling off, and a spring is disposed between the telescopic rod 606 and the telescopic slot 607 for resetting the telescopic rod 606, and meanwhile, the clamping block 604 can be stably clamped into the clamping hole 605.

Although embodiments of the present utility model have been shown and described in detail with reference to the foregoing detailed description, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein 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 (5)

1. An adjustable lumbar support headrest, comprising a back plate (100), characterized in that: the waist-supporting device is characterized in that a waist-supporting part (200) is arranged on the outer side of the bottom of the back plate (100), an adjusting structure (400) is arranged between the bottom end of the back plate (100) and the waist-supporting part (200), the adjusting structure (400) comprises a fixed block (401), a screw hole (402), a movable push block (403), a rotary handle (404), a supporting rod (405), a supporting pad (406), a rotating component (407) and a limiting component (408), the screw hole (402) is formed in the fixed block (401) in a penetrating mode and is in threaded connection with the movable push block (403), the outer end of the movable push block (403) is fixed with the rotary handle (404), the inner end of the movable push block (403) is in rotary connection with the supporting rod (405) through the rotating component (407), and the supporting pad (406) is fixed with the end of the supporting rod (405) and is in extrusion contact with the waist-supporting part (200);

the rotary handle (404) is of a T-shaped structure, and a rubber sleeve is sleeved on the outer surface of the rotary handle (404);

the rotating assembly (407) comprises a rotating groove (4071) and a rotating block (4072), the rotating block (4072) is rotatably arranged in the rotating groove (4071), and one end of the supporting rod (405) is fixed with the rotating block (4072);

be provided with spacing subassembly (408) between bracing piece (405) and fixed block (401), spacing subassembly (408) are including fixed disc (4081), spacing slide bar (4082) and spacing spout (4083), fixed disc (4081) are fixed on the surface of bracing piece (405), the inboard symmetry of fixed disc (4081) is fixed with spacing slide bar (4082), spacing spout (4083) with spacing slide bar (4082) sliding connection have been seted up on fixed block (401) surface.

2. An adjustable lumbar support headrest as defined in claim 1 wherein: the supporting pad (406) is of an arc-shaped structure and is in extrusion contact with the inner side of the pad waist part (200), and a covering gauze (300) is arranged on the outer side of the pad waist part (200).

3. An adjustable lumbar support headrest as defined in claim 1 wherein: the utility model discloses a headrest, including backplate (100), headrest (500), be provided with lifting unit (600) between backplate (100) and headrest (500), lifting unit (600) are including fixed plate (601), lift groove (602), toggle piece (603), fixture block (604), draw-in groove (605), telescopic link (606) and telescopic slot (607), fixed plate (601) symmetry is fixed in headrest (500) inboard and with lift groove (602) sliding connection, the outer end swing joint of fixed plate (601) has toggle piece (603), fixture block (604) are fixed in the inboard of toggle piece (603), back surface of backplate (100) set up with fixture block (604) assorted draw-in groove (605).

4. An adjustable lumbar support headrest according to claim 3, wherein: the inner side of the toggle piece (603) is fixed with a telescopic rod (606), and a telescopic groove (607) which is in sliding connection with the telescopic rod (606) is formed in the fixing plate (601).

5. An adjustable lumbar support headrest according to claim 4 and wherein: the telescopic rod (606) is of a T-shaped structure, and a spring is arranged between the telescopic rod (606) and the telescopic groove (607).