CN215960791U - Backrest frame - Google Patents

Abstract

The utility model discloses a backrest frame, which comprises a bottom frame, a backrest frame and a backrest frame, wherein the bottom frame comprises two bottom rods which are arranged at intervals along the horizontal direction, and an accommodating gap is formed between the two bottom rods; the bracket plate is provided with a head end at one end and a tail end at the other end, an avoiding groove is arranged on the bottom surface of the bracket plate and extends to the head end of the bracket plate, the bracket plate is positioned between the two bottom rods, and the tail end of the bracket plate is rotatably connected to the bottom rods; adjusting part, it includes connecting rod and support frame, sliding connection is on two sill bars respectively at the both ends of connecting rod, the one end swivelling joint of support frame is on dodging the recess, the other end swivelling joint of support frame is on the connecting rod, when the tail end of bracket plate was kept away from to the connecting rod slides, the bracket plate can rotate down and get into completely in the accommodation gap, and in the support frame can get into and dodge the recess, avoid the interference between connecting rod and the bracket plate, prevent that the surface of bracket plate from producing the uplift, make this back frame can put down completely, and is convenient to use, and the improvement patient uses and experiences.

Description

Backrest frame

Technical Field

The utility model relates to the field of a backrest frame, in particular to a backrest frame.

Background

Most spinal cord injury's patient in the recovery in later stage, need go the balanced exercise of seat, some sick beds that have now have the function of shaking up the head of a bed, make things convenient for the patient to change the position, reduce the human cost, but the cost of whole bed change is high, therefore, it can adjust the back of the body frame of back angle to have released on the market, it directly places at the head of a bed to lean against the frame, the patient leans against on the frame, because the back of the frame needs to support, so generally can be equipped with a plurality of supporting beams on it, when the patient need lie flat, supporting beam takes place the interference with angle control easily, lead to the back of the body frame and can not flatten completely, make to have to take out the back of the body frame, when needs are sat, put the back of the body frame again in bed, it is troublesome to use, cause patient affected part discomfort easily.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a backrest frame that solves one or more of the problems of the prior art and provides at least one of the advantages of the present invention.

The solution of the utility model for solving the technical problem is as follows:

a back rest frame comprising: the bottom frame comprises two bottom rods which are arranged at intervals along the horizontal direction, and the two bottom rods are parallel to each other and form an accommodating gap; the bracket plate is provided with a head end at one end and a tail end at the other end, an avoiding groove is formed in the bottom surface of the bracket plate and extends to the head end of the bracket plate, the bracket plate is positioned between the two bottom rods, and the tail end of the bracket plate is rotatably connected to the bottom rods; the adjusting assembly comprises a connecting rod and a supporting frame, the two ends of the connecting rod are respectively connected to the two bottom rods in a sliding mode, one end of the supporting frame is connected to the avoidance groove in a rotating mode, the other end of the supporting frame is connected to the connecting rod in a rotating mode, the connecting rod is far away from the tail end of the bracket plate in a sliding mode, the bracket plate can rotate downwards and enter the accommodating gap, and the supporting frame can enter the avoidance groove.

The technical scheme at least has the following beneficial effects: when the connecting rod slides towards the direction of keeping away from the bracket plate, angle between bracket plate and the underframe frame, angle between connecting rod and the underframe frame reduces gradually, because the bracket plate is located between two sill bars, and support frame swivelling joint is in dodging the recess, make contained angle be zero between bracket plate and the underframe frame, it is located the accommodation gap to dodge the recess, and simultaneously, the connecting rod is located outside dodging the recess, and the bracket plate can get into completely in the accommodation gap, and the support frame can get into and dodge in the recess, avoid the interference between connecting rod and the bracket plate, prevent that the surface of bracket plate from producing the uplift, make this back frame can put down completely, the patient can follow and sit the position and get into the position of lying completely, need not take out this back frame in addition, and is convenient to use, it experiences to improve patient use.

As a further improvement of the above technical solution, the number of the support frames is two or more, and the two or more support frames extend along the length direction of the connecting rod. When the connecting rod was kept away from or was close to the bracket board direction and slides, a plurality of support frames supported the bracket board, improved this back frame's bearing capacity, improved stability in use and security.

As another improvement of the above technical scheme, the two side faces of the bottom rods close to the accommodating gap are inner side faces, sliding grooves are formed in the inner side faces in the extending direction of the bottom rods, sliding blocks are arranged at two ends of the connecting rod, and the sliding blocks are matched with the sliding grooves. The sliding blocks at the two ends of the connecting rod can slide along the sliding grooves of the two inner side surfaces respectively, the structure is simple, and the moving stability of the connecting rod is improved.

As another improvement of the above technical solution, the present invention further includes a bottom pad disposed on the top surface of the pallet plate, the bottom pad extending in a direction away from the bottom frame. The patient may rest directly on the base pad and the carrier plate may support the base pad, improving patient comfort.

As another improvement of the technical proposal, the top surface of the bottom cushion is provided with an air bag layer. The top surface of heelpiece is equipped with the gasbag layer, and the patient can sit on the gasbag layer, prevents to press the sore to produce, reduces and presses sore risk, improves travelling comfort and security.

As another improvement of the above technical solution, an angle ruler is provided on a side wall of the bracket plate, and a pointer is provided on the angle ruler and always faces downward. When the angle between bracket plate and the underframe changed, angle square and bracket plate relative positioning, and the pointer is down all the time for the pointer can point to the scale on the angle square, and confirm the angle value between bracket plate and the underframe according to the scale, realize the accurate regulation of back angle, adapt to different patients' demand.

As a further improvement of the above technical solution, the bottom frame is provided with an armrest, and the armrest extends in a direction away from the bottom frame. When the patient inclines to take article or look over the scale, the handrail can provide the support for the patient, prevents that the patient from turning on one's side, improves the security.

As a further improvement of the above technical solution, the present invention further includes a positioning plate, the armrest is rotatably connected to the outer side wall of the bottom frame in a direction away from the accommodating gap, a slot is formed in the outer side surface of the armrest, an elastic member and a stopper are disposed in the slot, one end of the elastic member is connected to the slot, the other end of the elastic member is connected to the stopper, the positioning plate is located on the outer side of the armrest and is positioned opposite to the bottom frame, a pressing through hole extending outward is formed in the positioning plate, when the armrest rotates, the stopper can move to the pressing through hole, the elastic member can restore to a natural state and drive the stopper to penetrate into the pressing through hole, so that an included angle between the armrest and the bottom frame forms an acute angle. The handrail can be put down, makes things convenient for the patient activity, when the patient is in this novel back frame, rotatory handrail to make the stop block penetrate and press in the through-hole, realize the location of handrail, simple structure, convenient and fast improves the patient and uses experience.

As a further improvement of the above technical means, the plurality of pressing through holes are arranged with the rotation axis of the armrest as an array center. The stop block can enter different press through holes, so that the positioning angle between the handrail and the bottom frame can be adjusted, and the novel handrail press device is suitable for the requirements of different patients.

As another improvement of the above technical scheme, a screw motor is arranged on the bottom frame, and the screw motor drives the connecting rod to slide along the length direction of the bottom rod. Adopt lead screw motor drive connecting rod to slide along the sill bar, use manpower sparingly, adjust the accuracy, simultaneously, angle accommodation process's regulation rate is stable, improves patient's travelling comfort.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the utility model, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.

Fig. 1 is a structural view of a back rest frame according to an embodiment of the present invention;

fig. 2 is a structural view of a backrest frame according to another perspective provided by an embodiment of the present invention;

fig. 3 is a front view of a back rest frame according to an embodiment of the present invention, the back rest frame being in a use state;

FIG. 4 is a front view of a back rest frame provided in accordance with an embodiment of the present invention, the back rest frame being in a flattened condition;

FIG. 5 is a cross-sectional view of the armrest and positioning plate of FIG. 3 taken along the direction B-B;

fig. 6 is a partially enlarged view of region a in fig. 1.

In the drawings: 100-bottom rod, 110-bracket plate, 120-support frame, 130-connecting rod, 140-angle ruler, 150-armrest, 160-positioning plate, 170-screw motor, 180-bottom cushion, 181-air bag layer, 210-containing gap, 220-avoiding groove, 230-sliding groove, 240-sliding block, 510-elastic piece, 520-stop block, 530-pressing through hole, 540-clamping groove, 550-button, 610-mounting section, 611-limiting surface and 620-supporting section.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. The technical characteristics of the utility model can be combined interactively on the premise of not conflicting with each other.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1, 2, 3 and 4, the back rest frame includes a bottom frame including two bottom bars 100 spaced apart in a horizontal direction, the two bottom bars 100 being parallel to each other and forming an accommodating gap 210; the bracket plate 110 has a head end at one end and a tail end at the other end, the bottom surface of the bracket plate 110 is provided with an avoiding groove 220, the avoiding groove 220 extends to the head end of the bracket plate 110, the bracket plate 110 is positioned between the two bottom rods 100, and the tail end of the bracket plate 110 is rotatably connected to the bottom rods 100; and the adjusting assembly comprises a connecting rod 130 and a support frame 120, two ends of the connecting rod 130 are respectively connected to the two bottom rods 100 in a sliding manner, one end of the support frame 120 is rotatably connected to the avoiding groove 220, the other end of the support frame 120 is rotatably connected to the connecting rod 130, when the connecting rod 130 slides towards the tail end far away from the bracket plate 110, the bracket plate 110 can rotate downwards and enter the accommodating gap 210, and the support frame 120 can enter the avoiding groove 220. It should be noted that, because two ends of the connecting rod 130 are respectively slidably connected to the two bottom rods 100, in order to avoid the bracket plate 110 from pressing the connecting rod 130 when the bracket plate 110 is unfolded, in this embodiment, a distance between a position of the bracket plate 110 connected to the supporting frame 120 and a position of the bracket plate 110 far away from the rotation axis of the bracket plate is smaller than a length of the supporting frame 120, so that when the bracket plate 110 is unfolded, the supporting frame 120 partially enters the avoiding groove 220, and one end of the supporting frame 120, which positions the connecting rod 130, penetrates through the avoiding groove 220, so as to ensure that the connecting rod 130 is located outside the avoiding groove 220. In addition, an accommodating space is enclosed between the two bottom rods 100, the rotation axes of the bracket plates 110 and the connecting rod 130, when the connecting rod 130 slides in the direction far away from the bracket plates 110, the bracket plates 110 can enter the accommodating space, the bracket plates 110 and the supporting frames 120 can completely enter the accommodating space, and the supporting frames 120 can enter the avoiding grooves 220, so that the interference between the connecting rod 130 and the bracket plates 110 is avoided, the surface of the bracket plates 110 is prevented from being bulged, the backrest frame can be completely laid flat, a patient can completely enter the lying position from the sitting position, the backrest frame does not need to be additionally drawn out, the use is facilitated, and the use experience of the patient is improved.

In some examples, the number of the support frames 120 is two or more, and the two or more support frames 120 extend along the length direction of the connecting rod 130. In this embodiment, the number of the supporting frames 120 is two, so as to improve the supporting stability, reduce the possibility of the patient turning over on the backrest frame, and increase the safety.

In the present embodiment, the side surfaces of the two bottom rods 100 close to the accommodating gap 210 are inner side surfaces, the inner side surfaces are provided with sliding grooves 230 along the extending direction of the bottom rods 100, the two ends of the connecting rod 130 are provided with sliding blocks 240, and the sliding blocks 240 are matched with the sliding grooves 230. In fact, according to the function of the backrest frame, in order to improve the supporting strength, the included angle between the support frame 120 and the bottom frame near the rotation axis of the bracket plate 110 may be in the range of 0 ° to 90 ° to improve the supporting stability, and the length of the sliding groove 230 may be limited in the range that the support frame 120 can reach the above angle.

To improve comfort for the patient, the present invention further includes a base pad 180, the base pad 180 being disposed on the top surface of the carrier plate 110, the base pad 180 extending in a direction away from the bottom frame. Also, in the present embodiment, the top surface of the base pad 180 is provided with an air bag layer 181. And, in this embodiment, the top surface of heelpiece 180 is equipped with gasbag layer 181, and the patient can sit on gasbag layer 181, prevents to press the sore to produce, reduces and presses the sore risk, and improvement travelling comfort and security patient can directly lean on heelpiece 180 to bracket plate 110 can support for heelpiece 180, improves patient's travelling comfort. In fact, the top surface of the bracket plate 110 may also be provided with a back pad, which is padded with cotton to improve patient comfort. In addition, the air cushion can be connected with an electric inflator pump, so that the air cushion is convenient to inflate and deflate and convenient to store.

In addition, a protractor 140 is provided on a side wall of the carriage plate 110, and a pointer is provided on the protractor 140, and is always directed downward. When the angle between the bracket plate 110 and the bottom frame changes, the angle ruler 140 and the bracket plate 110 are relatively positioned, and the pointer faces downwards all the time, so that the pointer can point to the scale on the angle ruler 140, the angle value between the bracket plate 110 and the bottom frame is determined according to the scale, the accurate adjustment of the angle of the backrest is realized, and the requirements of different patients are met. In practical applications, the angle scale 140 may have an angle range of 0 ° to 90 °, and the 90 ° scale is parallel to the extending direction of the bracket plate 110, and when the bracket plate 110 is perpendicular to the bottom frame, the pointer points to the 90 ° scale, so that the patient or the family of the patient can adjust the angle of the bracket plate 110 according to the scale conveniently.

In order to improve the safety of the backrest frame, in some embodiments, the bottom frame is provided with an armrest 150, and the armrest 150 extends away from the bottom frame. When the patient inclines to take articles or look over the scale, handrail 150 can provide the support for the patient, prevents that the patient from turning on one's side, improves the security.

Furthermore, referring to fig. 5, in some embodiments, the present invention further includes a positioning plate 160, taking a direction away from the receiving gap 210 as an outer direction, the armrest 150 is rotatably connected to an outer side wall of the bottom frame, a slot 540 is formed on an outer side surface of the armrest 150, an elastic member 510 and a stop block 520 are arranged in the slot 540, one end of the elastic member 510 is connected to the slot 540, the other end of the elastic member 510 is connected to the stop block 520, the positioning plate 160 is located on an outer side of the armrest 150 and is positioned opposite to the bottom frame, a pressing through hole 530 extending outward is formed on the positioning plate 160, when the armrest 150 rotates, the stop block 520 can move to the pressing through hole 530 and can recover to a natural state, and the elastic member 510 drives the stop block 520 to penetrate into the pressing through hole 530, so that an included angle between the armrest 150 and the bottom frame is an acute angle. Handrail 150 can put down, makes things convenient for the patient to move about, when the patient is at this novel back frame, rotatory handrail 150 to make stop block 520 penetrate and press in the through-hole 530, realize handrail 150's location, simple structure, convenient and fast improves the patient and uses experience. In addition, in practical applications, a plurality of pressing through holes 530 may be formed in the positioning plate 160, and the plurality of pressing through holes 530 are arranged with the rotation axis of the armrest 150 as an array center. The stop block 520 can enter into different pressing through holes 530, so that the positioning angle between the armrest 150 and the bottom frame can be adjusted to meet the requirements of different patients. In this embodiment, a pressing through hole 530 is disposed along the position where the armrest 150 is put down, so that the armrest 150 can be automatically locked when put down, and the armrest 150 is prevented from shaking. Actually, referring to fig. 6, the armrest 150 includes an installation section 610 and a support section 620 connected in sequence, one end of the installation section 610 is rotatably connected to the outer side wall of the bottom frame, the other end of the installation section 610 is rotatably connected to the support section 620, and the installation section 610 has two limiting surfaces 611 thereon, so that when the armrest 150 is in an open or storage state, two side surfaces of the support section 620, which are horizontal to the rotation axis thereof, can respectively abut against the two limiting surfaces 611. Also, to facilitate adjustment, a button 550 may be provided on the pressing through-hole 530, and the button 550 may not be separated from the pressing channel and may slide along the inner wall of the pressing channel.

In addition, a screw motor 170 is provided on the bottom frame, and the screw motor 170 drives both ends of the connecting rod 130 to slide along the length direction of the bottom rod 100. Adopt lead screw motor 170 drive connecting rod 130 to slide along sill bar 100, use manpower sparingly, adjust the accuracy, simultaneously, angle accommodation process's regulation rate is stable, improves patient's travelling comfort. In fact, the screw motor 170 and the electric inflator pump can be controlled by a remote controller, so that the adjustment is easy and the use is convenient.

While the preferred embodiments of the present invention have been described in detail, it should be understood that the utility model is not limited to those precise embodiments, and that various changes and modifications may be effected therein by one skilled in the art without departing from the scope or spirit of the utility model as defined in the appended claims.

Claims (10)

1. A backrest frame is characterized in that: the method comprises the following steps:

the bottom frame comprises two bottom rods (100) arranged at intervals along the horizontal direction, and the two bottom rods (100) are parallel to each other and form an accommodating gap (210);

the bracket plate (110) is provided with a head end at one end and a tail end at the other end, an avoiding groove (220) is formed in the bottom surface of the bracket plate (110), the avoiding groove (220) extends to the head end of the bracket plate (110), the bracket plate (110) is positioned between the two bottom rods (100), and the tail end of the bracket plate (110) is rotatably connected to the bottom rods (100);

the adjusting assembly comprises a connecting rod (130) and a supporting frame (120), two ends of the connecting rod (130) are respectively connected to the two bottom rods (100) in a sliding mode, one end of the supporting frame (120) is connected to the avoiding groove (220) in a rotating mode, the other end of the supporting frame (120) is connected to the connecting rod (130) in a rotating mode, when the connecting rod (130) slides towards the tail end far away from the bracket plate (110), the bracket plate (110) can rotate downwards and enter the accommodating gap (210), and the supporting frame (120) can enter the avoiding groove (220).

2. A back rest frame according to claim 1, wherein: the number of the support frames (120) is two or more, and the two or more support frames (120) extend along the length direction of the connecting rod (130).

3. A back rest frame according to claim 1, wherein: the two side faces, close to the accommodating gap (210), of the bottom rods (100) are inner side faces, sliding grooves (230) are formed in the inner side faces in the extending direction of the bottom rods (100), sliding blocks (240) are arranged at two ends of the connecting rod (130), and the sliding blocks (240) are matched with the sliding grooves (230) mutually.

4. A back rest frame according to claim 1, wherein: further comprising a base pad (180), the base pad (180) being arranged on a top surface of the carrier plate (110), the base pad (180) extending in a direction away from the base frame.

5. A back rest frame according to claim 4, wherein: the top surface of the bottom cushion (180) is provided with an air bag layer (181).

6. A back rest frame according to claim 1, wherein: an angle ruler (140) is arranged on the side wall of the bracket plate (110), and a pointer is arranged on the angle ruler (140) and faces downwards all the time.

7. A back rest frame according to claim 1 or 6, wherein: be equipped with handrail (150) on the bottom frame, handrail (150) extend towards the direction of keeping away from the bottom frame.

8. The back rest frame of claim 7, wherein: the handrail device is characterized by further comprising a positioning plate (160), the direction far away from the accommodating gap (210) is outward, the handrail (150) is rotatably connected to the outer side wall of the bottom frame, a clamping groove (540) is formed in the outer side surface of the handrail (150), an elastic piece (510) and a stop block (520) are arranged in the clamping groove (540), one end of the elastic piece (510) is connected with the clamping groove (540), the other end of the elastic piece (510) is connected with the stop block (520), the positioning plate (160) is located on the outer side of the handrail (150) and is relatively positioned with the bottom frame, a pressing through hole (530) extending outwards is formed in the positioning plate (160), when the handrail (150) rotates, the stop block (520) can move to the pressing through hole (530), the elastic piece (510) can restore to a natural state and drive the stop block (520) to penetrate into the pressing through hole (530), so that the included angle between the handrail (150) and the bottom frame is an acute angle.

9. The back rest frame of claim 8, wherein: the plurality of pressing through holes (530) are arranged with the rotation axis of the armrest (150) as an array center.

10. A back rest frame according to claim 1, wherein: the bottom frame is provided with a screw rod motor (170), and the screw rod motor (170) drives the connecting rod (130) to slide along the length direction of the bottom rod (100).

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