CN114795723A

CN114795723A - Head is fixed with nursing bed

Info

Publication number: CN114795723A
Application number: CN202210226204.1A
Authority: CN
Inventors: 刘萍
Original assignee: First Affiliated Hospital of Zhengzhou University
Current assignee: First Affiliated Hospital of Zhengzhou University
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-07-29

Abstract

The invention provides a nursing bed for fixing a head, which comprises a bed body and bed legs for supporting the bed body, wherein the bed body comprises guardrails, a bed frame, a fixed base plate and a movable base plate; the guardrail sets up the bedstead both sides, with bedstead rotatable coupling, the bolster groove has been seted up on bedstead upper portion, fixed backing plate and activity backing plate set up side by side at the backing plate inslot, the angle modulation shaft is worn to be equipped with to the bedstead bottom, the angle modulation shaft includes a plurality of adjusting gear, the fixed a plurality of fan-shaped rings that are provided with in activity backing plate bottom, fan-shaped ring with the meshing of adjusting gear one-to-one is connected, activity backing plate one end is provided with head fixing device. The invention can prevent the patient with head and neck damage from lying down for a long time, can change the body position of the patient and keep the head fixed, and can adjust the width of the bed body.

Description

Head is fixed with nursing bed

Technical Field

The invention relates to the field of medical technical devices, in particular to a nursing bed for fixing a head.

Background

When a patient with head or neck diseases or injuries is nursed after treatment, in order to prevent the patient from hurting the wound due to disorder movement in the nursing process, the head needs to be fixed, the traditional fixing devices such as plaster, splints and bandages are commonly used in nursing work, the fixing devices have single functions, are inconvenient to operate, are easy to cause discomfort of the patient and influence the treatment effect, a nursing bed with a head fixing device is provided in the prior art, for example, a patent document with the publication number of CN113499208A provides a multifunctional intelligent nursing bed, but the nursing bed is only suitable for nursing the patient who is generally in an unconscious state in the early stage in the hospitalization process, the patient is in a lying state, the patient who recovers consciousness cannot change the body posture for a long time, the comfort of the patient is poor, the adjusting device of the head fixing device cannot be adjusted in height, and a driving motor drives a transmission shaft to rotate, the rotatory stay cord that drives of transmission shaft twines on the transmission shaft, and the stay cord motion drives the movable plate motion, and the movable plate motion drives and removes the frame motion, and then drives the arc motion, realizes the purpose of fixed patient's skull, and transmission structure is complicated, and transmission efficiency is low, and moreover, and current nursing bed width is less, is unfavorable for the attendant to accompany and attend to.

Disclosure of Invention

In view of the above, the present invention is directed to a nursing bed for fixing a head, which can effectively solve the above technical problems.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

a nursing bed for fixing a head comprises a bed body and bed legs for supporting the bed body, wherein the bed body comprises guardrails, a bed frame, a fixed base plate and a movable base plate; the guardrail sets up the bedstead both sides, with bedstead rotatable coupling, the bolster groove has been seted up on bedstead upper portion, fixed backing plate and activity backing plate set up side by side at the backing plate inslot, the angle modulation shaft is worn to be equipped with to the bedstead bottom, the angle modulation shaft includes a plurality of adjusting gear, the fixed a plurality of fan-shaped rings that are provided with in activity backing plate bottom, fan-shaped ring with the meshing of adjusting gear one-to-one is connected, activity backing plate one end is provided with head fixing device. This set up the guardrail and can rotate for the bedstead to realize guardrail vertical state or horizontality, thereby change the width of the bed body, the bedstead bottom carries out angle modulation through gear structure to the removable backing plate, with the position that changes the patient.

Further, the guardrail includes branch, latch segment, turning block and plate body, the body of rod of branch with plate body fixed connection, branch lower part end with turning block fixed connection, branch with turning block axial vertical sets up, the latch segment cover is established on the branch, with branch sliding connection, the latch segment with be provided with the spring between the turning block, the turning block with bedstead rotatable coupling, the latch segment with the bedstead is pegged graft. The spring can guarantee that the latch segment is pegged graft with the bedstead, and the latch segment that upwards slides makes latch segment and bedstead separation to accomplish the guardrail and rotate, the spring is tensile provides elasticity, makes the guardrail rotate the back, and the latch segment resets, pegs graft with the bedstead again.

Furthermore, a strut connecting groove is formed in the edge of the side portion of the bedstead, the rotating block and the locking block are arranged in the strut connecting groove, the rotating block and the strut connecting groove are rotatably connected, the bottom surface of the strut connecting groove and the inner side surface perpendicular to the bottom surface are connected through an arc-shaped surface, guide rails are arranged on the bottom surface, the inner side surface perpendicular to the bottom surface and the arc-shaped surface, a second guide groove is arranged on the outer surface of the rotating block along the circumferential direction, a second guide groove is arranged on the outer surface of the locking block, the first guide groove is communicated with the first guide groove, the guide rails can be embedded into the first guide groove and the second guide groove, upper clamping grooves are formed in the two sides of the strut connecting groove on the upper surface of the bedstead, lower clamping grooves are formed in the two sides of the strut connecting groove on the side surface of the bedstead, and the upper clamping grooves and the lower clamping grooves are both communicated with the strut connecting groove, the locking block is inserted into the upper clamping groove or the lower clamping groove. The guardrail rotates in-process guided way and is connected with first guide way and second guide way and play the guide effect, and guardrail stall, guided way and first guide way and second guide way have played the spacing effect of grafting, latch segment and last draw-in groove or draw-in groove cooperation down in order to fix whole guardrail.

Furthermore, a slide bar groove is formed in the support rod in the direction perpendicular to the axis, a slide bar connecting hole is formed in the locking block in the direction perpendicular to the axis of the support rod, the slide bar connecting hole is communicated with the slide bar groove, and a slide bar penetrates through the slide bar connecting hole and the slide bar groove. The slide bar groove and the slide bar connecting hole are connected with the slide bar, so that the freedom degree of the locking block and the support bar is limited, and the movement of the locking block is guided.

Furthermore, a plurality of connecting plates are fixedly arranged at the middle part, the connecting plates are connected with the two sides of the bedstead and are arranged at intervals along the length direction of the bedstead, a first shaft hole is formed in each connecting plate in a penetrating mode, second shaft holes are formed in the two ends of the bedstead, the first shaft hole and the second shaft holes are coaxially arranged and are communicated, the angle adjusting wheel shaft further comprises an angle adjusting shaft, the angle adjusting shaft is arranged in the first shaft hole and the second shaft hole in a penetrating mode, and the adjusting gears are arranged between two adjacent connecting plates or between the connecting plates and the gaps at the ends of the bedstead at intervals. The plurality of adjusting gears can play a role in supporting the movable base plate when the movable base plate is subjected to angle adjustment.

Further, one end of the bedstead is provided with a clamping ring groove on the outer side, the clamping ring groove is coaxial with the second shaft hole, a clamping ring is fixed in the clamping ring groove through threads, a plurality of tooth-shaped grooves are uniformly distributed in the clamping ring in the circumferential direction, the handle comprises a handle joint, a locking ring and a handle, the handle is fixed at one end of the handle joint, the locking ring is sleeved outside the handle joint, the handle joint is in matched insertion with the end part of the angle adjusting shaft, two dovetail grooves are symmetrically formed in the outer surface of the handle joint, two dovetail blocks are symmetrically arranged in the locking ring, the dovetail blocks are in matched insertion with the dovetail grooves and are in slidable connection, a plurality of tooth-shaped blocks are uniformly distributed in the circumferential direction outside the locking ring, the tooth-shaped blocks are in one-to-one matched insertion with the tooth-shaped grooves, and the setting is used for locking and fixing the angle adjusting shaft.

Furthermore, one end of the movable base plate is provided with a mounting groove, the mounting groove is communicated with a gap between the end of the bedstead and the connecting plate, the head fixing device is arranged in the mounting groove, slide rails are fixedly arranged on two sides of the mounting groove, the head fixing device comprises a supporting block, slide grooves are arranged on two sides of the supporting block, the slide grooves extend upwards from the lower portion of the supporting block, and the slide grooves are slidably connected with the slide rails. The height of the head fixing device can be adjusted by the aid of the head fixing device, so that the head fixing device is suitable for patients of different ages and body types.

Furthermore, the head fixing device further comprises a height adjusting wheel shaft, an adjusting shaft, a fixing frame and a supporting plate, wherein the lower portion of the fixing frame is arranged in the supporting block, the supporting plate is arranged on the upper portion of the supporting block and is connected with the supporting block in an inserting mode, the height adjusting wheel shaft is rotatably arranged in the mounting groove and is meshed with the supporting block through a gear and rack structure, the adjusting shaft is arranged on the bedstead and the fixed base plate in a penetrating mode, and the adjusting shaft is meshed with the height adjusting wheel shaft through a bevel gear structure. The rotation motion of the adjusting shaft is converted into the linear motion of the supporting block, so that the supporting block can be conveniently subjected to height adjustment.

Furthermore, the fixing frame comprises two clamping plates, a first connecting rod, two second connecting rods and an adjusting rod, the two clamping plates, the two first connecting rods and the two second connecting rods are symmetrically arranged, the clamping plates are fixedly connected with one ends of the first connecting rods, the other ends of the first connecting rods are hinged to one ends of the second connecting rods, the other ends of the two second connecting rods are hinged to the adjusting rod, and the first connecting rods are rotatably connected with the supporting blocks. The adjusting rod, the first connecting rod and the second connecting rod form a lever structure, and the linear motion of the adjusting rod is converted into the rotation of the clamping plate so as to clamp and fix the head.

Furthermore, the fixed joint ware that is provided with in supporting shoe bottom, the adjusting lever wears to establish in the joint ware, the adjusting lever is provided with a plurality of gear grooves along length interval, the joint ware joint is in one of them gear groove. This arrangement facilitates head fixation for patients of different head circumference.

Compared with the prior art, the nursing bed for fixing the head has the following advantages that:

(1) according to the nursing bed for fixing the head, the movable base plate can rotate and turn under the action of the angle adjusting wheel shaft and the fan-shaped gear ring, the head fixing device can be driven to rotate simultaneously, the head fixing state is kept while the body position of a head and neck patient is changed, and the problem of discomfort caused by long-term lying of the head and neck patient is solved;

(2) according to the nursing bed for fixing the head, the head fixing device can clamp and fix the heads of different patients, fine adjustment of the height can be realized under the action of the straight gear of the height adjusting wheel shaft and the rack structure of the supporting block, the requirements of different patients can be met, the height adjusting wheel shaft is meshed with the adjusting shaft through the bevel gear structure, and operation and adjustment from the end part of the nursing bed are facilitated;

(3) according to the nursing bed for fixing the head, the protection plate can be vertically arranged, through the structures of the supporting rod, the locking block, the rotating block and the like, the protection plate can be vertically arranged, the shielding and protecting effects on a patient are realized, the protection plate can be horizontally arranged, the width of the nursing bed is increased, and accompanying personnel can accompany and attend conveniently.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of a head-fixing nursing bed according to the present invention;

FIG. 2 is a schematic view of a bed frame and legs according to an embodiment of the present invention;

FIG. 3 is a partial schematic view of the cover plate of the present invention at the connection with the bed frame;

FIG. 4 is a partial schematic structural view of a bed frame at a connection point with a guard plate according to an embodiment of the present invention;

FIG. 5 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 6 is a schematic view of another perspective of a nursing bed for fixing head according to the present invention;

FIG. 7 is an enlarged view taken at B of FIG. 6 in accordance with the present invention;

FIG. 8 is a partial block diagram of a removable bolster in accordance with an embodiment of the present invention at the location of a head restraint;

FIG. 9 is a schematic view of a head fixation device according to an embodiment of the present invention;

FIG. 10 is an exploded view of a head restraint according to an embodiment of the present invention;

FIG. 11 is a cross-sectional view of a head restraint according to an embodiment of the present invention;

FIG. 12 is a schematic view of the bottom structure of a nursing bed for fixing the head according to the embodiment of the present invention;

FIG. 13 is a schematic view of a drive rod according to an embodiment of the present invention;

FIG. 14 is an enlarged view taken at C of FIG. 6 in accordance with the present invention;

FIG. 15 is an exploded view of a portion of the bed frame of FIG. 14 connected to a handle according to an embodiment of the present invention;

FIG. 16 is a schematic view of a locking ring of the present invention;

FIG. 17 is a schematic view of a handle joint structure according to the present invention.

Description of reference numerals:

1. bed legs; 11. a pulley; 2. a bed body; 21. a guardrail; 211. a strut; 2111. a slide bar slot; 212. a locking block; 2121. a sleeve; 2122. a block body; 2123. a slide bar connecting hole; 2124. a clamping block; 2125. a first guide groove; 2126. a strut hole; 2127. an arc-shaped slot; 213. rotating the block; 2131. a rotating shaft hole; 2132. a second guide groove; 214. a plate body; 2141. avoiding the mouth; 215. a spring; 216. a slide bar; 22. fixing the base plate; 23. a movable base plate; 231. mounting grooves; 232. an adjustment hole; 233. a third shaft hole; 234. a slide rail; 24. a bed frame; 240. a pad slot; 241. an avoidance groove; 242. a support portion; 243. a strut connecting groove; 2431. a guide rail; 2432. an arc-shaped surface; 2433. an upper clamping groove; 2434. a lower clamping groove; 244. a connecting block rotating shaft hole; 245. adjusting the handle slot; 246. a connecting plate; 247. a first shaft hole; 248. a second shaft hole; 249. a snap ring groove; 2491. a snap ring; 2492. a toothed groove; 25. a handle; 251. locking a ring; 2511. a tooth-shaped block; 2512. a dovetail block; 2521; a dovetail groove; 2522. a connector receptacle; 252. a handle joint; 253. a handle; 26. a head fixing device; 261. a fixed mount; 2611. a splint; 2612. a first link; 2613. a second link; 2614. an adjusting lever; 2615. a gear groove; 2616. connecting holes; 262. a support block; 2621. a rack; 2622. a chute; 2623. a connecting rod hole; 2624. a fixture groove; 2625. a slot; 2626. a latch; 263. an adjustment shaft; 2631. adjusting the handle; 2632. a bevel gear shaft; 2633. a first bevel gear; 2634. connecting sleeves; 2635. a jack; 2636. a connector; 264. a height adjustment wheel axle; 2641. a spur gear; 2642. a second bevel gear; 2643. a height adjustment shaft; 265. a pallet; 2651. inserting a block; 2652. a supporting plate body; 27. an angle adjusting wheel shaft; 271. an angle adjusting shaft; 272. an adjusting gear; 273. a shaft end joint; 28. and a fan-shaped toothed ring.

Detailed Description

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

The descriptions of "first," "second," "upper," "lower," "inner," "outer," and the like in this disclosure are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features being indicated. Thus, the definition of "first" and "second" features may explicitly or implicitly include at least one such feature, with "upper" and "lower" referring to the actual orientation of the care bed in the drawings, "inner" referring to a location near the center of each component, and "outer" referring to a location away from the center of each component. In addition, the technical solutions in the embodiments may be combined with each other, but it is necessary that a person skilled in the art can realize the combination, and the technical solutions in the embodiments are within the protection scope of the present invention.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

A nursing bed for fixing a head, as shown in fig. 1 to 7, comprises a bed body 2 and bed legs 1 for supporting the bed body 2, wherein the bottom of each bed leg 1 is provided with four pulleys 11, two of the pulleys 11 are provided with a brake device, and the bed body 2 comprises a guardrail 21, a bed frame 24, a fixed cushion plate 22 and a movable cushion plate 23; the guard bar 21 is arranged at two sides of the bedstead 24, a support rod 211 is arranged on the guard bar 21, the support rod 211 is rotatably connected with the bedstead 24, a cushion plate groove 240 is arranged at the upper part of the bedstead 24, the fixed cushion plate 22 and the movable cushion plate 23 are arranged in the cushion plate groove 240 side by side, and a head fixing device 26 is arranged at one end of the movable cushion plate 22; when the bed frame 24 is used by a patient, the head and the feet are positioned at the two ends of the bed frame 24, and the hands of the patient are positioned at the two sides of the bed frame 24;

further, the guardrail 21 comprises a support rod 211, a locking block 212, a rotating block 213 and a plate body 214, wherein the rod body of the support rod 211 is fixedly connected with the plate body 214 in a welding mode or a screw fixing mode, the lower end of the support rod 211 is fixedly connected with the rotating block 213, the rotating block 213 is cylindrical, the support rod 211 and the rotating block 213 are axially and vertically arranged, the locking block 212 is sleeved on the support rod 211 and is slidably connected with the support rod 211, the locking block 212 is connected with the rotating block 213 through a spring 215, the rotating block 213 is rotatably connected with the bedstead 24, the locking block 212 is inserted into the bedstead 24, and each structural orientation of the guardrail 21 in the embodiment is determined by the fact that the guardrail 21 is vertically placed;

further, the locking block 212 comprises a sleeve 2121 and a block 2122, the sleeve 2121 is cylindrical and is fixedly arranged on the upper portion of the block 2122, the sleeve 2121 is provided with a strut hole 2126, the strut hole 2126 penetrates through the sleeve 2121 and the block 2122, the strut hole 2126 is sleeved on the strut 211, the strut 211 is provided with a strut groove 2111 in the direction perpendicular to the axis, the strut groove 2111 is an oblong groove, the sleeve 2121 of the locking block 212 is provided with a strut connecting hole 2123 in the direction perpendicular to the axis of the strut 211, the strut connecting hole 2123 is communicated with the strut groove 2111, a strut 216 is arranged in the strut connecting hole 2123 and the strut groove 2111 in a penetrating manner, and the strut 216 can slide along the strut groove 2111 to drive the locking block 212 to slide along the strut 211; the block body 2122 is square, two opposite side surfaces of the block body 2122 are provided with square clamping blocks 2124 for being inserted into the bedstead 24, the other two opposite side surfaces of the block body 2125 are provided with first guide grooves 2125, the lower part of the block body 2122 is provided with arc grooves 2127, the inner surface of the arc grooves 2127 is attached to the outer surface of the rotating block 213, the spring 215 is arranged inside the block body 2122 and sleeved on the supporting rod 211, one end of the spring is fixedly connected with the block body 2122, the other end of the spring is fixedly connected with the rotating block 213 or the lower end of the supporting rod 211, and the arrangement of the spring 215 is used for inserting and resetting the locking block 212 and the bedstead 24; a second guide groove 2132 is formed in the outer surface of the rotating block 213 along the circumferential direction, the second guide groove 2132 is communicated with the first guide groove 2125, so that the rotating block 213 can guide when rotating along the bedstead 24, and a rotating shaft hole 2131 is formed in the rotating block 213 along the axial direction and is used for being connected with the bedstead 24 in a rotating manner;

furthermore, a strut connecting groove 243 is formed in the edge of the side portion of the bed frame 24, the rotating block 213 and the locking block 212 are disposed in the strut connecting groove 243, the bottom surface of the strut connecting groove 243 and the inner side surface perpendicular to the bottom surface are connected through an arc surface 2432, the bottom surface of the strut connecting groove 243, the inner side surface perpendicular to the bottom surface and the arc surface 2432 are provided with guide rails 2431 in communication, and the guide rails 2431 can be embedded into the first guide groove 2125 and the second guide groove 2132; preferably, a plurality of guide rails 2431 are arranged at intervals, a plurality of corresponding first guide grooves 2125 and second guide grooves 2132 are also arranged at intervals, and the guide rails 2431, the first guide grooves 2125 and the second guide grooves 2132 are in one-to-one correspondence; an upper clamping groove 2433 is formed in the upper surface of the bedstead 24 at two sides of the strut connecting groove 243, a lower clamping groove 2434 is formed in the side surface of the bedstead 24 at two sides of the strut connecting groove 243, the upper clamping groove 2433 and the lower clamping groove 2434 are both communicated with the strut connecting groove 243, and a clamping block 2124 of the locking block 212 is clamped with the upper clamping groove 2433 or the lower clamping groove 2434; the frame 24 has a support portion 242 extending outward from the edge thereof for supporting the rail 21 when it is horizontally placed; preferably, an avoiding groove 241 is further formed at an edge of a side portion of the bed frame 24, the avoiding groove 241 is disposed at one side of the strut connecting groove 243, a connecting block rotating shaft hole 244 communicating with the strut connecting groove 243 is disposed in the avoiding groove 241, the connecting block rotating shaft hole 244 is aligned with the rotating shaft hole 2131 and is used for inserting a rotating shaft for rotating the rotating block 213, and the avoiding groove 241 is disposed for facilitating the installation operation;

when the guardrail 21 is vertically arranged, the fixture block 2124 is clamped in the upper clamping groove 2433, the arc-shaped surface 2127 of the locking block 212 is attached to the surface of the rotating block 213, the spring 215 is in a natural state, the locking block 212 is abutted to the side surface on the inner side of the strut connecting groove 243, when the guardrail 21 needs to be turned over, the locking block 212 is pulled upwards to enable the sliding rod 216 to slide along the sliding rod groove 2111, the fixture block 2124 is separated from the upper clamping groove 2433, the spring 215 is in a stretching state, the guardrail 21 is turned over downwards, the rotating block 213 rotates, the first guide groove 2125 and the second guide groove 2132 slide along the guide rail 2431, when the guardrail 21 is in a horizontal state, the locking block 212 resets under the auxiliary action of the spring 215, the arc-shaped groove 2127 is attached to the surface of the rotating block 213, so that the fixture block 2124 is clamped in the lower clamping groove 2434, the locking block 212 is abutted to the bottom surface of the strut connecting groove 243, the bottom surface of the strut connecting groove 243 plays a supporting role of supporting the locking block 212, the bottom surface of the strut connecting groove 243 plays a role of extending the strut connecting groove 243, and the supporting part 242 can play a role of extending the bottom surface of the strut, better support for the locking block 212 by the strut attachment slots 243; the guardrail 21 is provided with an avoidance opening 2141 for providing an avoidance space when the locking block 212 slides along the support rod 211; the number of the struts 211 on each guardrail 21 is preferably two, so that the supporting effect is better, and the number of the corresponding connecting structures such as the locking block 212, the rotating block 213, the strut connecting groove 243 and the avoiding groove 241 is two.

Further, as shown in fig. 1, fig. 2, fig. 12 and fig. 13, a plurality of connecting plates 246 are fixedly disposed in the middle of the bed frame 24, the plurality of connecting plates 246 are connected to two sides of the bed frame 24 and are spaced apart from each other along the length direction of the bed frame 24, each connecting plate 246 is provided with a first shaft hole 247 therethrough, two ends of the bed frame 24 are provided with second shaft holes 248, the first shaft holes 247 and the second shaft holes 248 are coaxially disposed and are communicated, the first shaft holes 247 and the second shaft holes 248 are disposed at positions close to one side of the bed frame 24, an angle-adjusting wheel shaft 27 is disposed at the bottom of the bed frame 24, the angle-adjusting wheel shaft 27 further includes an angle-adjusting shaft 271 and a plurality of adjusting gears 272, the angle-adjusting shaft 271 is disposed in the first shaft holes 247 and the second shaft holes 248, the adjusting gears 272 are disposed on the angle-adjusting shaft 271 at intervals and are fixedly connected to the angle-adjusting shaft 271, the plurality of adjusting gears 272 are disposed in gaps between two adjacent connecting plates 246 or gaps between the connecting plates 246 and the ends of the bed frame 24, the end part of the angle adjusting shaft 271 is provided with a shaft end joint 273 for inserting the handle 25; the bottom of the movable backing plate 23 is fixedly provided with a plurality of fan-shaped toothed rings 28, the fan-shaped toothed rings 28 are correspondingly meshed with the adjusting gears 272 one by one, one end of the angle adjusting shaft 271 is fixedly connected with a handle 25, the handle 25 is rotated to drive the whole angle adjusting wheel shaft 27 to rotate, and the fan-shaped toothed rings 28 drive the movable backing plate 23 to realize the angle adjusting function; the center of the fan-shaped gear ring 28 is arranged on the adjacent edge of the movable cushion plate 23 and the fixed cushion plate 22, one end of the fan-shaped gear ring is fixedly connected with the bottom of the movable cushion plate 23, the other end of the fan-shaped gear ring is fixedly connected with the adjacent edge of the movable cushion plate 23 and the fixed cushion plate 22, the central angle of the fan-shaped gear ring 28 is an acute angle, the adjacent edge of the movable cushion plate 23 and the fixed cushion plate 22 can be used as a rotating shaft, the movable cushion plate 23 can be kept attached to the edge of the fixed cushion plate 22 when rotating, so that a patient is supported by the fixed cushion plate 22 when changing body positions along with the movable cushion plate 23, and the position is comfortable; and the central angle of preferred fan-shaped ring gear 28 is no more than 45 degrees, movable backing plate 23 turned angle is no more than 45 degrees, make patient's health slope a little, guarantee the comfort level, a plurality of adjusting gear 272 can play the supporting role to movable backing plate 23 when movable backing plate 23 carries out angle modulation, adjusting gear 272 number is two at least, in order to guarantee that movable backing plate 23 steadily adjusts, angle adjusting wheel axle 27 sets up in one side that movable backing plate 23 and bedstead 24 can separate, when movable backing plate 23 carries out angle modulation, it is more laborsaving to rotate handle 25, movable backing plate 23 is easily adjusted.

Further, as shown in fig. 6 to 11, one end of the movable backing plate 23 is provided with a mounting groove 231, the mounting groove 231 is communicated with the end of the bed frame 24 and the gap of the connecting plate 246, the head fixing device 26 is arranged in the mounting groove 231 and can facilitate the adjustment of the head fixing device 26 from the bottom of the bed frame 24, the head fixing device 26 comprises a supporting block 262, a height adjusting wheel shaft 264, an adjusting shaft 263, a fixing frame 261 and a supporting plate 265, a fixing frame groove 2624 is formed on the upper surface of the supporting block 262, the lower portion of the fixing frame 261 is arranged in the fixing frame groove 2624 of the supporting block 262, a slot 2625 is formed on the upper portion of the supporting block 262, the slot 2625 is arranged on the upper edge of the supporting block 262, and is used for fixing the supporting plate 265 on both sides of the fixing frame groove 2624, sliding grooves 2622 are formed on both sides of the supporting block 262, the sliding grooves 2622 extend upwards from the lower portion of the supporting block 262, the upper ends of the sliding grooves 2622 are closed and can limit the supporting block 262, the falling off is prevented; rack parts 2621 are arranged on the surface of the supporting block 262 facing the end of the bedstead 24, two groups of rack parts 2621 are arranged at two ends of the surface, the supporting block 262 is provided with two connecting rod holes 2623 perpendicular to the fixed frame groove 2624 for rotatably connecting the connecting rods, a clamping device 2626 is fixedly arranged at the bottom of the supporting block 262, the clamping device 2626 is arranged on a hole communicating the inner surface of the fixed frame groove 2624 and the outer surface of the supporting block 262 in a penetrating manner, and the clamping device 2626 comprises a lower clamping hook and clamping arms extending from the clamping hook to two sides and used for deforming the clamping hook;

the supporting plate 265 comprises an inserting block 2651 and a supporting plate body 2652 which are fixedly connected, the inserting block 2651 and the inserting groove 2625 are both in a dovetail shape, the supporting plate 265 is prevented from being separated from the supporting block 262 after the inserting and the matching are carried out, and the supporting plate body 2652 is in an arc shape so as to better fit and support the head and neck part; the fixing frame 261 includes two clamping plates 2611, a first link 2612, a second link 2613 and an adjusting rod 2614, the clamping plates 2611, the first link 2612 and the second link 2613 are symmetrically arranged, the first link 2612 and the second link 2613 are arranged in a fixing frame groove 2624, the clamping plates 2611 are arranged above the outside of the fixing frame groove 2624, the clamping plates 2611 are arc-shaped and fixedly connected with one end of the first link 2612, the other end of the first link 2612 is hinged with one end of the second link 2613, the other ends of the two second links 2613 are simultaneously hinged with the adjusting rod 2614, a connecting hole 2616 is arranged in the middle of the first link 2612, the connecting hole 2616 is aligned with the link hole 2623 and used for penetrating a shaft for rotating the first link 2612 to realize the rotatable connection of the fixing frame 261 and the supporting block 262, the adjusting rod 2614 penetrates through the fixing frame groove 2624 to the supporting block 262 and extends to the outside, and the adjusting rod 2614 is pushed upwards to reduce the distance between the two clamping plates 2611, the adjusting rod 2614 is pulled downwards, so that the distance between the two clamp plates 2611 can be increased under the action of each connecting rod, and the clamping, fixing and loosening of the head can be realized;

furthermore, the clamping device 2626 is provided with a through hole, the adjusting rod 2614 penetrates through the through hole of the clamping device 2626, the adjusting rod 2614 is provided with a plurality of gear slots 2615 at intervals along the length, the trip of the clamping device 2626 is clamped in one of the gear slots 2615, when the position of the adjusting rod 2614 needs to be adjusted, only pressure needs to be applied to the clamp arm of the clamping device 2626, the trip is deformed to be separated from the gear slot 2615, and after the adjusting rod 2614 is adjusted in place, the clamp arm is released, and the trip is clamped with the corresponding gear slot 2615.

The height adjusting wheel shaft 264 is rotatably arranged in the mounting groove 231 and comprises a height adjusting shaft 2643, a straight gear 2641 fixedly connected with two ends of the height adjusting shaft 2643 and a second bevel gear 2642 fixedly connected with the middle part of the height adjusting shaft 2643, the height adjusting wheel shaft 264 and the supporting block 262 realize gear-rack structure meshing connection, the adjusting shaft 263 is arranged on the bedstead 24 and the fixed backing plate 23 in a penetrating manner, the adjusting shaft 263 comprises a bevel gear shaft 2632 and an adjusting handle 2631, a connecting sleeve 2634 is arranged at the connecting part of the adjusting handle 2631 and the bevel gear shaft 2632, an inserting hole 2635 is arranged in the connecting sleeve 2634, a connecting head 2636 is arranged at the corresponding end of the bevel gear shaft 2632, the connecting head 2636 is in matched insertion connection with the inserting hole 2635, a first bevel gear 2633 is fixedly arranged at the other end of the bevel gear shaft 2632, and the first bevel gear 2633 is in meshing connection with the second bevel gear 2642;

the two sides of the mounting groove 231 are fixedly provided with slide rails 234, the slide rails 234 are slidably connected with the slide grooves 2622, the two sides of the mounting groove 231 are further provided with third shaft holes 233, the third shaft holes 233 on the two sides are coaxial, and the third shaft hole 233 on one side penetrates through the inner surface of the mounting groove 231 and the outer side part of the movable backing plate 23 so as to mount the height adjusting shaft 2643; an adjusting hole 232 is further formed on one side of the mounting groove 231 facing the end of the bed frame 24 for mounting an adjusting shaft 263, and an adjusting handle groove 245 is formed on one end of the head fixing device 26 of the bed frame 24 for avoiding the adjusting handle 2631; the adjusting handle 2631 is rotated, the bevel gear shaft 2632 is rotated, the height adjusting wheel shaft 264 is driven to rotate, and the rack 2621 drives the supporting block 262 to move up or down, so that the height of the head fixing device 26 can be adjusted, and the head fixing device is suitable for the requirements of patients of different ages;

furthermore, as shown in fig. 14 to 17, one end of the bed frame 24 is provided with a ring groove 249 on the outer side, the ring groove 249 is coaxial with the second shaft hole 248, the shaft end connector 273 extends from the second shaft hole 248 to be inserted into the handle 25, a ring 2491 is fixed in the ring groove 249 through threads, a plurality of tooth-shaped grooves 2492 are uniformly distributed in the ring 2491 in the circumferential direction, the handle 25 comprises a handle connector 252, a locking ring 251 and a handle 253, the handle 253 is fixed at one end of the handle connector 252, the locking ring 251 is sleeved outside the handle connector 252, the other end of the handle connector 252 is provided with a connector socket 2522, the connector socket 2522 is inserted into the shaft end connector 273 in a matching manner, the outer surface of the handle connector 252 is symmetrically provided with two dovetail grooves 2521, the dovetail grooves 2521 extend from one end of the inserted shaft end connector 273 to one end of the handle 253, two dovetail blocks 2512 are symmetrically arranged in the locking ring 251, the dovetail blocks 2512 are inserted into the dovetail grooves 2521 in a matching manner, the locking ring 251 and the handle joint 252 are connected in a sliding manner, the locking ring 251 and the handle joint 252 are prevented from rotating, the locking ring 251 is ensured to slide along the axis direction of the handle joint 252, a plurality of tooth-shaped blocks 2511 are uniformly distributed on the outer circumference of the locking ring 251, and the tooth-shaped blocks 2511 and the tooth-shaped grooves 2492 are matched and spliced one by one;

when the angle of the movable backing plate 23 needs to be adjusted, the locking ring 251 slides along the handle joint 252 towards the handle 253, the tooth-shaped blocks 2511 outside the locking ring 251 are separated from the tooth-shaped grooves 2492 in the clamping ring 2491, at the moment, the locking ring 251 enables the rotating handle 253 to be unlocked, the whole angle adjusting shaft 27 drives the sector-shaped tooth ring 28 to rotate, the movable backing plate 23 is enabled to adjust the angle by taking the edge where the center of the circle of the sector-shaped tooth ring 28 is located as the shaft, because the dovetail blocks 2512 are matched with the dovetail grooves 2521, the locking ring 251 and the handle joint 252 rotate simultaneously, and because the tooth-shaped blocks 2511 are uniformly distributed, the tooth-shaped blocks 2511 can still be matched with the tooth-shaped grooves 2492 after rotation; after the movable backing plate 23 is adjusted, the locking ring 251 is slid along the handle joint 252 in a direction away from the handle 253, the tooth-shaped block 2511 on the outer portion of the locking ring 251 is inserted and locked with the tooth-shaped groove 2492 in the clamping ring 2491, the angle adjusting shaft 27 is locked and fixed by the lower locking ring 251 at the limit positions of the tooth-shaped block 2511, the tooth-shaped groove 2492 and the dovetail block 2512 with the dovetail groove 2521, and the movable backing plate 23 does not need a particularly accurate angle value during angle adjustment and only ensures the comfort of a patient, so that the handle 25 can be slightly rotated and adjusted when the tooth-shaped block 2511 on the outer portion of the locking ring 251 is inserted with the tooth-shaped groove 2492 in the clamping ring 2491, and the tooth-shaped block 2511 is aligned with the tooth-shaped groove 2492.

This fixed nursing bed of using of head not only is applicable to the patient and operates, also be applicable to patient's operation and accomplish back early nursing and long-term nursing, head fixing device 26 can realize the centre gripping fixed action, but height-adjusting, be applicable to different age bracket patients, and be convenient for head fixing device 26's regulation, head fixing device 26 can rotate moderate degree inclination along with movable backing plate 23, change patient's position, and do not influence the fixed gesture of head, can make the patient more comfortable, both sides guardrail 21 can be vertical shelters from the patient, prevent that the patient from dropping, and can level place the width that increases bed body 2, the accompanying person of being convenient for sits and crouches, the accompanying person of being convenient for nurses the patient, increase accompanying person's comfort level.

Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. A nursing bed for fixing a head comprises a bed body and bed legs for supporting the bed body, and is characterized in that the bed body comprises guardrails, a bed frame, a fixed base plate and a movable base plate; the guardrail sets up the bedstead both sides, with bedstead rotatable coupling, the bolster groove has been seted up on bedstead upper portion, fixed backing plate and activity backing plate set up side by side at the backing plate inslot, the angle modulation shaft is worn to be equipped with to the bedstead bottom, the angle modulation shaft includes a plurality of adjusting gear, the fixed a plurality of fan-shaped rings that are provided with in activity backing plate bottom, fan-shaped ring with the meshing of adjusting gear one-to-one is connected, activity backing plate one end is provided with head fixing device.

2. A head-fixing nursing bed as set forth in claim 1, wherein: the guardrail comprises a supporting rod, a locking block, a rotating block and a plate body, wherein the rod body of the supporting rod is fixedly connected with the plate body, the lower end of the supporting rod is fixedly connected with the rotating block, the supporting rod is axially and vertically arranged with the rotating block, the locking block is sleeved on the supporting rod and is slidably connected with the supporting rod, a spring is arranged between the locking block and the rotating block, the rotating block is rotatably connected with the bedstead, and the locking block is spliced with the bedstead.

3. A head-fixing nursing bed as set forth in claim 2, wherein: the edge of the side part of the bedstead is provided with a strut connecting groove, the rotating block and the locking block are arranged in the strut connecting groove, the rotating block is rotatably connected with the supporting rod connecting groove, the bottom surface of the supporting rod connecting groove and the inner side surface vertical to the bottom surface are connected through an arc-shaped surface, the bottom surface, the inner side surface vertical to the bottom surface and the arc-shaped surface are provided with guide rails, the outer surface of the rotating block is provided with a second guide groove along the circumferential direction, the outer surface of the locking block is provided with a first guide groove, the first guide groove is communicated with the second guide groove, the guide rail can be embedded into the first guide groove and the second guide groove, the upper surface of the bedstead is provided with upper clamping grooves at two sides of the connecting groove of the supporting rod, the side surface of the bedstead is provided with lower clamping grooves at two sides of the connecting groove of the supporting rod, the upper clamping groove and the lower clamping groove are communicated with the supporting rod connecting groove, and the locking block is connected with the upper clamping groove or the lower clamping groove in an inserted mode.

4. A head-fixing nursing bed as set forth in claim 3, wherein: the locking device is characterized in that a sliding rod groove is formed in the supporting rod in the direction perpendicular to the axis, a sliding rod connecting hole is formed in the locking block in the direction perpendicular to the axis of the supporting rod, the sliding rod connecting hole is communicated with the sliding rod groove, and a sliding rod penetrates through the sliding rod connecting hole and the sliding rod groove.

5. A head-fixing nursing bed as set forth in claim 1, wherein: the middle part is fixed and is provided with a plurality of connecting plates, and a plurality of connecting plates are connected the bedstead both sides, set up along bedstead length direction interval, every set up the first shaft hole that runs through on the connecting plate, the second shaft hole has been seted up at the bedstead both ends, first shaft hole and the coaxial setting and the intercommunication setting in second shaft hole, angle modulation shaft still includes the angle modulation axle, the angle modulation axle is worn to establish in first shaft hole and second shaft hole, and is a plurality of adjusting gear interval sets up between the space of two adjacent connecting plates or connecting plate and bedstead end.

6. A head-fixing nursing bed as claimed in claim 5, wherein: one end of the bed frame is provided with a clamping ring groove on the outer side, the clamping ring groove is coaxial with the second shaft hole, a clamping ring is fixed in the clamping ring groove through threads, a plurality of tooth-shaped grooves are uniformly distributed in the clamping ring in the circumferential direction, the handle comprises a handle joint, a locking ring and a handle, the handle is fixed at one end of the handle joint, the locking ring is sleeved outside the handle joint, the handle joint is in matched insertion with the end part of the angle adjusting shaft, two dovetail grooves are symmetrically formed in the outer surface of the handle joint, two dovetail blocks are symmetrically arranged in the locking ring, the dovetail blocks are in matched insertion with the dovetail grooves and are in sliding connection, a plurality of tooth-shaped blocks are uniformly distributed in the circumferential direction outside the locking ring, and the tooth-shaped blocks are in matched insertion with the tooth-shaped grooves one by one.

7. The head-fixing nursing bed as set forth in claim 6, wherein: the head fixing device comprises a supporting block, sliding grooves are formed in two sides of the supporting block, the sliding grooves extend upwards from the lower portion of the supporting block, and the sliding grooves are slidably connected with the sliding rails.

8. The head-fixing nursing bed as set forth in claim 7, wherein: the head fixing device further comprises a height adjusting wheel shaft, an adjusting shaft, a fixing frame and a supporting plate, wherein the lower portion of the fixing frame is arranged in the supporting block, the supporting plate is arranged on the upper portion of the supporting block and is connected with the supporting block in an inserting mode, the height adjusting wheel shaft is rotatably arranged in the mounting groove and is meshed and connected with the supporting block through a gear and rack structure, the adjusting shaft penetrates through the bedstead and the fixed base plate, and the adjusting shaft is meshed and connected with the height adjusting wheel shaft through a bevel gear structure.

9. The head-fixing nursing bed as set forth in claim 8, wherein: the fixing frame comprises two clamping plates, a first connecting rod, two second connecting rods and an adjusting rod, the two clamping plates, the first connecting rod and the two second connecting rods are symmetrically arranged, the clamping plates are fixedly connected with one ends of the first connecting rods, the other ends of the first connecting rods are hinged to one ends of the second connecting rods, the other ends of the two second connecting rods are hinged to the adjusting rod, and the first connecting rods are rotatably connected with the supporting blocks.

10. A head-fixing nursing bed as set forth in claim 9, wherein: the fixed joint ware that is provided with in supporting shoe bottom, the adjusting lever wears to establish in the joint ware, the adjusting lever is provided with a plurality of gear grooves along length interval, the joint ware joint is in one of them gear groove.