CN201438908U - Improved structure of electric bed capable of adjusting height - Google Patents

Abstract

The utility model relates to an improved structure of an electric bed capable of adjusting height, wherein a front foot frame group and a rear foot frame group are respectively arranged at the front end and the rear end of a base to support a bed seat, and the bed seat is provided with a back bed surface frame, a buttock bed surface frame, a leg bed surface frame and a foot bed surface frame which are mutually pivoted and connected; one end of the foot bed surface frame is provided with a pair of first connecting rods which are pivoted with the extending part at one end of the bed base, and the front end and the rear end of the hip bed surface frame are respectively provided with a second connecting rod and a third connecting rod which are pivoted with the bed base to form a four-connecting-rod framework; the first electric cylinder arranged at the bottom of the buttock bed surface frame pushes and pulls a tripod connecting rod pivoted with the buttock bed surface frame to adjust the backrest angle of the back bed surface frame, and the second electric cylinder arranged at the bottom of the bed seat pushes the third connecting rod to enable the buttock bed surface frame to lift towards the upper part of the bed seat, so that the heights of the front end and the rear end of the bed seat on the base are adjusted independently or jointly according to the front foot stand group and the rear foot stand group, the bed body has more various use forms, and the functionality is improved.

Description

The improved structure of electric bed which can be adjusted up and down

technical field

The utility model relates to an electric bed structure with more diverse usage patterns and improved functionality, in particular to an improved structure of an electric bed capable of height adjustment.

Background technique

Existing electric beds, such as China Taiwan Patent Announcement No. 370869 "Improved Structure of Electric Bed" New Patent Case, Announcement No. 432981 "Electric Bed" New Patent Case and Certificate No. M333893 "Electric Bed" New Patent Case, Usually with a multi-link structure, the telescopic action of multiple electric cylinder telescopic rods can generally only adjust the backrest angle of the human body on the bed surface and the bending angle and height of the human legs and feet on the bed surface. Therefore, there are some Existing electric beds, such as Taiwan Patent Announcement No. 469790 "Electric Folding Bed Structure with Lifting Adjustment Function" new patent case, Announcement No. 471279 "Electric Bed Structure Improvement" new patent case, and certificate No. M311416 No. "Structure Adjustment and Improvement of Hospital Beds" new patent case, etc., are based on the design of height-adjustable bed legs or bed legs that can be extended and retracted, in order to increase the use of the bed and improve the function. However, these existing electric beds are still limited to The height of the bed foot can be adjusted, and the bed frame of each part of the bed does not increase the matching function. As a result, it has not really achieved the effect of more diverse bed use types, and it is indeed necessary to make further improvements or innovations. .

Contents of the invention

The main purpose of the utility model is to provide an improved structure of an electric bed that can be adjusted up and down, so as to achieve the effect of more variety of use patterns of the bed body.

For realizing above-mentioned object, the technical scheme that the utility model adopts is:

An improved structure of an electric bed that can be adjusted in height, characterized in that: at the front and rear ends of a base, a front foot frame group and a rear foot frame group are respectively provided to support a bed base; A back bed frame, a buttock bed frame, a leg bed frame and a foot bed frame are connected, and a pair of first connecting rods are pivotally arranged on the bottom surface of one end of the foot bed frame, and The first connecting rod is pivotally connected with a pair of extension parts at one end of the bed base; at both ends of the bottom surface of the buttock bed frame, one end is pivotally provided with a pair of second connecting rods and a fixed frame, and the other end is pivotally mounted. A pair of third connecting rods and a tripod connecting rod are pivoted; the other ends of the pair of second and third connecting rods are respectively pivotally connected with the bed base to form a four-bar connecting rod structure; the upper pivot of the fixed frame A first electric cylinder is provided, and the telescopic rod end of the first electric cylinder is pivoted with the one foot end of the tripod connecting rod, and the other foot end of the tripod connecting rod is connected with the described tripod connecting rod. A connection part on the back of the bed surface frame at the back is pivotally connected; and a support frame extends downward from the bottom of the bed base, and a second electric cylinder is pivotally arranged on the support frame, and the telescopic rod of the second electric cylinder The end is pivotally connected with a pushing part fixed on the pair of third connecting rods; by virtue of the action of the telescopic rod of the second electric cylinder pushing the pushing parts on the pair of third connecting rods, The buttock bed frame can be operated to rise toward the top of the bed base, and the telescopic rod of the first electric cylinder can be used to push the end of the tripod connecting rod, so that the back bed frame and the back bed frame can be changed. The backrest angle between the buttocks and the bed frame; according to the separate action of the front and rear footrests, the height of the front or rear end of the bed base on the base can be adjusted, so that the bed body has more diverse use patterns. Improve functionality.

Wherein, the front end of the base is provided with a front foot frame group to support the front end of the bed seat, and the front foot frame group is composed of a pair of front support connecting rods, a pair of front auxiliary connecting rods and a front foot electric cylinder; One end of a pair of front supporting links is pivotally arranged on the base, and the other end is provided with a pair of front pulleys, and the pair of front pulleys are installed on the inner lower edge of the near front end of the bed base. On a pair of front slide rails; one end of the pair of front auxiliary links is pivotally connected to the middle part of the shaft of the pair of front support links, and the other end is connected to the inner edges of the front ends of the bed seat. Pivot connection; one end of the front leg electric cylinder is pivotally arranged on a front cross-joint rod between the pair of front support links; Pivot connection; controlled by the telescopic action of the telescopic rod of the front leg electric cylinder, the front pulley ends of the pair of front support links slide on the front slide rails, and the front support links and front auxiliary links can be used to The angle change between the connecting rods is used to adjust and set the height of the front end of the bed base.

Wherein, the rear end of the base is provided with a rear foot frame group to support the rear end of the bed base, and the rear foot frame group is composed of a pair of rear support connecting rods, a pair of rear auxiliary connecting rods and a rear foot electric cylinder; One end of the pair of rear support links is pivotally arranged on the base, and the other end is provided with a pair of rear pulleys, and the pair of rear pulleys are installed in the two sides of the near rear end of the bed base. On a pair of rear slide rails on the lower edge; one end of the pair of rear auxiliary links is pivotally arranged at the middle part of the shaft of the pair of rear support links, and the other end is connected to the rear end of the bed base The inner edges of both sides are pivotally connected; one end of the rear leg electric cylinder is pivotally arranged on a rear cross-joint rod between the pair of rear support connecting rods, and the end of the telescopic rod is connected to the rear end of the bed base. A rear lug is pivoted on the inner surface; controlled by the telescopic action of the telescopic rod of the rear leg electric cylinder, the rear pulley end of the pair of rear support links slides on the rear slide rail, and the rear support can be used The angle change between the connecting rod and the rear auxiliary connecting rod is used to adjust and set the height of the rear end of the bed base.

Wherein, one end of the buttock bed surface frame is pivotally provided with a fixed frame, and a first electric cylinder is pivotally arranged on the described fixed frame. The legs are pivoted, and the tripod link is pivoted with one end of a pair of L-shaped links and the buttocks bed frame, and the other end is pivoted with the connecting portion on the back of the back bed frame, And a push-pull frame is fixedly connected between the pair of L-shaped connecting rods and the telescopic rod end of the first electric cylinder is pivotally connected, so that the telescopic rod of the first electric cylinder performs a telescopic push-pull action on the push-pull frame, so The above-mentioned pair of L-shaped connecting rods are linked by the push-pull frame to cause the swing action, that is, the back bed frame can be operated to lift or swing down, and the backrest angle of the human body can be adjusted or set.

Wherein, the bed base has a buttock bed frame, a leg bed frame and a foot bed frame pivotally connected to each other, and a pair of first The connecting rod is pivotally connected to a pair of extension parts at one end of the bed base, and a pivoting frame is provided on the bottom surface of the other end, and a third electric cylinder is installed at the lower part of the connecting end where the leg bed frame and the buttock bed frame are pivoted, And pivoted by the telescopic rod end of the third electric cylinder and the pivot frame; according to this, the leg bed frame and the foot bed frame in a flat state can be formed by the telescopic rod of the third electric cylinder. The movement of contracting and pulling the articulated frame, the adjustment and setting of the elevation adjusts and sets the bending angle between the bed frame of the legs and the bed frame of the feet for the bending and straddling of the legs and feet of the human body.

Compared with the prior art, the utility model adopting the above-mentioned technical solution has the advantage that: the front and rear foot stand groups individually or jointly adjust the height of the front and rear ends of the bed base on the base, so that the bed body has more various usage patterns , improve functionality.

Description of drawings

Fig. 1 is a three-dimensional schematic diagram of the structural appearance of the utility model;

Fig. 2 is the utility model sectional structure schematic diagram;

Fig. 3 is a three-dimensional schematic diagram of the structure of the bed base completely lowered when the bed surface of the utility model is flat;

Fig. 4 is a schematic cross-sectional structure diagram of fully lowering the bed base when the bed surface of the utility model is flat;

Fig. 5 is a schematic diagram of the operating state of the second electric cylinder of the utility model;

Fig. 6 is a schematic diagram of the operating state of the first and second electric cylinders of the present invention;

Fig. 7 is a schematic diagram of the actuating state of the first and second electric cylinders and the front foot electric cylinder of the utility model;

Fig. 8 is a schematic diagram of the actuation state of the first and second electric cylinders and the rear foot electric cylinder of the utility model;

Fig. 9 is a schematic diagram of the state when the bed base of the utility model is raised and the bed surface is flat;

Fig. 10 is a schematic diagram of the state when the bed frame is raised on the back of the raised bed base of the utility model;

Fig. 11 is a schematic diagram of a state in which the bed base of the utility model raises the leg bed frame and the foot bed frame raises and bends;

Fig. 12 is a schematic diagram of the state of the bed base being lowered horizontally according to the utility model.

Explanation of reference numerals: base 10; front foot frame group 20; front support link 21; front pulley 210; front cross rod 211; front auxiliary link 22; ; rear pulley 310; rear cross rod 311; rear auxiliary link 32; rear foot electric cylinder 33; bed base 40; extension 400; support frame 401; second electric cylinder 402; Rear slide rail 43; Rear lug 44; Back bed frame 50; Connecting part 51; Hip bed frame 60; Second link 61; Fixing frame 62; Third link 63; Pushing part 630; Tripod link 64 ; L-shaped connecting rod 640; push-pull frame 641; the first electric cylinder 65;

Detailed ways

An improved structure of an electric bed that can be adjusted in height, as shown in Figure 1 and Figure 2, is the front and rear ends of a base 10, each of which is provided with a front foot frame group 20 and a rear foot frame group 30 to support a bed seat 40; On the bed base 40, there are a back bed frame 50, a buttock bed frame 60, a leg bed frame 70 and a foot bed frame 80 pivotally connected to each other, and the foot bed frame 80 is pivotally provided with a pair of first connecting rods 81 on the bottom surface of one end, and is pivotally connected with a pair of extension parts 400 at one end of the bed base 90 by the first connecting rods 81; A pair of second connecting rods 61 and a fixed frame 62 are pivotally arranged, and a pair of third connecting rods 63 and a tripod connecting rod 64 are pivotally arranged at the other end; the pair of second and third connecting rods 61 The other ends of , 63 are respectively pivotally connected with the bed base 40 to form a four-link frame; the fixed frame 62 is pivotally provided with a first electric cylinder 65, and the telescopic rod end of the first electric cylinder 65 is connected with the One leg end of the tripod link 64 is pivoted, and the other leg end of the tripod link 64 is pivotally connected to a connecting portion 51 on the back of the back bed surface frame 50; There is a support frame 401 extending downwards from the bottom of the seat 40, and a second electric cylinder 402 is pivotally arranged on the support frame 401, and the telescopic rod end of the second electric cylinder 402 is connected with the pair of third connecting rods. A pusher 630 fixed on the 63 is pivotally connected; as shown in Fig. 3 and Fig. 4, the front and rear tripod groups 20, 30 completely lower the bed base 40, and when the bed surface is in a flat state, as shown in Fig. 5, by virtue of the The action of the telescopic rod of the second electric cylinder 402 pushing the upper pushing part 630 of the pair of third connecting rods 63 can operate the buttocks bed surface frame 60 to rise toward the top of the bed base 40, as shown in the figure 6, and use the telescopic rod of the first electric cylinder 65 to push the one foot end of the tripod connecting rod 64 to change the back angle between the back bed frame 50 and the buttocks bed frame 60; As shown in Fig. 7 and Fig. 8, according to the independent action of the front leg group 20 and the rear leg group 30, adjust the height of the front or rear end of the bed base 40 on the base 10, so that the bed body has more various usage patterns , improve functionality.

According to the foregoing embodiment, wherein, as shown in Fig. 1 and Fig. 2, the front end of the base 10 is provided with a front foot frame group 20 supporting the front end of the bed base 40, and the front foot frame group 20 is composed of a pair of front support links 21, A pair of front auxiliary connecting rods 22 and a front foot electric cylinder 23 are formed; one end of the pair of front supporting connecting rods 21 is pivotally arranged on the base 10, and the other end is provided with a pair of front pulleys 210, and is formed by the The pair of front pulleys 210 described above are mounted on a pair of front slide rails 41 on the inner lower edge of both sides near the front end of the bed base 40; one end of the pair of front auxiliary links 22 is pivotally connected to the one For the middle part of the shaft of the front support link 21, the other end is pivotally connected with the inner edge of the front end of the bed base 40; On a front cross-connecting rod 211 between the support connecting rods 21; and the telescoping rod end is pivotally connected with a front lug 42 on the inner surface of the front end of the bed base 40; as shown in Figure 6 and Figure 7, the front foot electric cylinder 23 telescopic rod telescopic action control, by virtue of the front pulley ends of the pair of front support links 21 sliding on the front slide rail 41, the clip between the front support link 21 and the front auxiliary link 22 can be used to The angle changes, so as to reach the adjustment and setting of the height of the front end of the bed base 40.

According to above-mentioned embodiment, wherein, as Fig. 1, Fig. 2, described base 10 rear end is provided with a rear foot frame group 30 to support the rear end of bed base 40, and described rear foot frame group 30 is supported by a pair of rear connecting rods 31. A pair of rear auxiliary connecting rods 32 and a rear leg electric cylinder 33; one end of the pair of rear supporting connecting rods 31 is pivotally arranged on the base 10, and the other end is provided with a pair of rear pulleys 310, and The pair of rear pulleys 310 are mounted on a pair of rear slide rails 43 on the inner lower edge of both sides of the bed base 40 near the rear end; The middle part of the shaft of the pair of rear support links 31 is located, and the other end is pivotally connected with the inner edges of both sides of the rear end of the bed base 40; On a rear cross link 311 between a pair of rear support links 31, the end of the telescopic rod is pivotally connected with a rear lug 44 on the inner surface of the rear end of the bed base 40; as shown in Fig. 6 and Fig. 8, the The telescopic action control of the telescopic rod of the rear foot electric cylinder 33 is controlled, and the rear pulley end of the pair of rear support links 31 slides on the rear slide rail 43, and the rear support link 31 and the rear auxiliary link can be used to The included angle between the rods 32 varies to adjust and set the height of the rear end of the bed base 40 .

According to the above-mentioned embodiment, wherein, as shown in Fig. 1 and Fig. 2, one end of the buttocks bed surface frame 60 is pivotally provided with a fixed frame 62, and a first electric cylinder 65 is pivotally mounted on the described fixed frame 62, and the described second The telescopic rod end of an electric cylinder 65 is pivoted with the one leg end of the tripod link 64, and the tripod link 64 is formed by connecting one end of a pair of L-shaped links 640 to the buttocks bed frame. 60 is pivotally arranged, and the other end is pivotally connected with the connection portion 51 on the back of the back bed surface frame 50, and a push-pull frame 641 and the first electric cylinder are fixed between the pair of L-shaped connecting rods 640. The telescopic rod end of 65 is pivotally connected, so that the telescopic rod of the first electric cylinder 65 performs a telescopic push-pull action on the push-pull frame 641, and the swing effect caused by the linkage of the pair of L-shaped connecting rods 640 by the push-pull frame 641 is as follows: Fig. 9 and Fig. 10, namely can operate described back bed surface frame 50 to carry out lifting or swinging down action, can adjust or set out the backrest angle of human body.

According to the above-mentioned embodiment, wherein, as shown in Fig. 1 and Fig. 2, the bed base 40 has a buttock bed frame 60, a leg bed frame 70 and a foot bed frame 80 pivotally connected to each other, A pair of first connecting rods 81 are pivotally connected with a pair of extension parts 400 at one end of the bed base 40 on the bottom surface of one end of the foot bed frame 80, and a pivot frame 82 is provided on the bottom surface of the other end, and the leg bed A third electric cylinder 71 is installed at the lower part of the pivoted connecting end between the surface frame 70 and the buttocks bed surface frame 60, and is pivoted by the telescopic rod end of the third electric cylinder 71 and the pivot frame 82; The leg bed frame 70 and the foot bed frame 80 of the state can be moved by the contraction of the telescopic rod of the third electric cylinder 71 to pull the pivot frame 82, as shown in Fig. 9 and Fig. 11 . Determine the bending angle between the leg bed frame 60 and the foot bed frame 80 for the legs and feet of the human body to bend and straddle.

The above description is only illustrative, rather than restrictive, of the present utility model. Those of ordinary skill in the art understand that many modifications, changes or equivalents can be made without departing from the spirit and scope defined in the claims. But all will fall within the protection scope of the present utility model.

Claims (5)

1. One kind can the height lift adjustment the improvement structure of beddo, it is characterized in that: in the front and back end of a base, respectively be provided with one before foot rest group and a rear leg group support a base; On the described base, have the back bed surface frame, a buttocks bed surface frame, a shank bed surface frame and the foot's bed surface frame that are pivoted mutually and connect, and described foot bed surface frame one bottom face is pivoted with a pair of first connecting rod, and is articulated by described first connecting rod and a pair of extension of base one end; The two ends, bottom surface of described buttocks bed surface frame, an end are pivoted with a pair of second connecting rod and are installed with a fixed mount, and the other end is pivoted with a pair of third connecting rod and is pivoted with a tripod connecting rod; Described a pair of second and third connecting rod other end, each articulates with base respectively and constitutes four connecting rod frameworks; Be pivoted with one first electronic cylinder on the described fixed mount, the flexible rod end of the described first electronic cylinder then is pivoted with a foot of described tripod connecting rod, and another foot of described tripod connecting rod and a junction at the bed surface frame back side, described back are articulated; Described again base bottom surface is extended with a bracing frame downwards, is pivoted with one second electronic cylinder on the described bracing frame, the flexible rod end of the described second electronic cylinder then with described a pair of third connecting rod on the pushing part that sets firmly articulate; Rely on the action of pushing part on the described a pair of third connecting rod of expansion link pushing tow of the described second electronic cylinder, can operate described buttocks bed surface frame raises towards the base top, and expansion link pushing tow tripod connecting rod one foot that utilizes the described first electronic cylinder, can change the angle that leans against between described back bed surface frame and described buttocks bed surface frame; The height of the front or rear end of base on base regulated in preceding according to this foot rest group and the independent start of rear leg group, makes a body have more various use kenel, improves functional.
2. 2. the just improvement structure of the beddo of lift adjustment according to claim 1, it is characterized in that: described base front end is provided with the front end of foot rest group support base before, and described preceding foot rest group is made of support link, a pair of preceding auxiliary connecting rod and the electronic cylinder of a forward foot in a step before a pair of; Described a pair of preceding support link one end is hubbed on the described base, and the other end then is provided with a pair of front wheel, and is installed in by described a pair of front wheel on a pair of preceding slide rail of lower edge in the described base front end both sides; Described a pair of preceding auxiliary connecting rod one end is articulated in the shaft pars intermedia position of described a pair of preceding support link, and the other end then articulates with described base front end both sides inner edge; The electronic cylinder of the described forward foot in a step, one end be hubbed on described a pair of before before one between the support link on the horizontal extension bar; Flexible rod end then articulates with described base front end inner face one preceding lug; Expansion link expanding-contracting action control by the electronic cylinder of the described forward foot in a step, rely on the front wheel end of described a pair of preceding support link on preceding slide rail, to slide, the variable angle between described preceding support link and preceding auxiliary connecting rod be can utilize, the adjusting and the setting of base front end height reached according to this.
3. 3. the just improvement structure of the beddo of lift adjustment according to claim 1, it is characterized in that: described base rear end is established the rear end that a rear leg group supports base, and described rear leg group is made of a pair of back support link, a pair of back auxiliary connecting rod and the electronic cylinder of a rear foot; Described a pair of back support link one end is hubbed on the described base, and the other end then is provided with a pair of rear wheel, and is installed in by described a pair of rear wheel on a pair of aft ramp of lower edge in the both sides, the nearly rear end of described base; Described a pair of back auxiliary connecting rod one end is hubbed on the shaft pars intermedia position of described a pair of back support link, and the other end then articulates with both sides, described base rear end inner edge; The electronic cylinder of the described rear foot, one end are hubbed on the horizontal extension bar in a back between the support link of described a pair of back, and flexible rod end then articulates with described base rear end inner face one back lug; Expansion link expanding-contracting action control by the electronic cylinder of the described rear foot, rely on the rear wheel end of described a pair of back support link on aft ramp, to slide, the variable angle between described back support link and back auxiliary connecting rod be can utilize, the adjusting and the setting of base rear end height reached according to this.
4. 4. the just improvement structure of the beddo of lift adjustment according to claim 1, it is characterized in that: described buttocks bed surface frame one end is pivoted with a fixed mount, be pivoted with one first electronic cylinder on the described fixed mount, the flexible rod end of the described first electronic cylinder and a foot of described tripod connecting rod are pivoted, described tripod connecting rod, be that a end and described buttocks bed surface frame by the pair of L-shaped connecting rod is pivoted, the connecting portion at the other end and the bed surface frame back side, described back articulates, and by the flexible rod end pivot joint that is installed with a pushing-pulling-rack and the described first electronic cylinder between described pair of L-shaped connecting rod, the expansion link of the first electronic cylinder is made flexible push pull maneuver to pushing-pulling-rack according to this, the swing effect that described pair of L-shaped connecting rod is caused by the pushing-pulling-rack interlock, can operate that described back bed surface frame is lifted on carrying out or bottom action, can regulate or set out the backrest angle of human body.
5. 5. the just improvement structure of the beddo of lift adjustment according to claim 1, it is characterized in that: have the buttocks bed surface frame, a shank bed surface frame and the foot's bed surface frame that are pivoted mutually and connect on the described base, described foot bed surface frame one bottom face is pivoted with a pair of first connecting rod and a pair of extension of base one end articulates, other end bottom surface is provided with one and articulates frame, and the link bottom that described shank bed surface frame and buttocks bed surface frame are pivoted is equiped with one the 3rd electronic cylinder, and is pivoted with the pivot joint frame by the flexible rod end of described the 3rd electronic cylinder; The shank bed surface frame and the foot's bed surface frame that are smooth sample attitude according to this, can articulate the frame action by the contraction of the described the 3rd electronic cylinder expansion link pulling, the adjusting of raising with set out shank bed surface frame and foot's bed surface frame between tortuous angle confession human body shank and foot's bending bridge.

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