CN209827309U - A nursing device with a four-bar brake mechanism - Google Patents

Abstract

The utility model discloses a nursing device with a four-bar brake mechanism, which comprises a bed frame. The bed frame is provided with a back board, a waist board, a leg board and a tail board which are sequentially hinged from head to tail. Electric push rod A, electric push rod B is set between the leg board and the bed frame, the front and rear bed legs are respectively set at the front and rear ends of the bottom of the bed frame, and the bottoms of the front and rear bed legs are respectively set Caster A and caster B, the caster B of the rear bed leg is equipped with a four-link brake mechanism; and an electric push rod C is provided between the front bed leg and the bed frame, and an electric push rod is provided between the rear bed leg and the bed frame d. The caster A includes a caster bracket A, and the two ends of the caster bracket A are respectively equipped with universal wheels A; the nursing bed of the utility model adopts a pedal brake mechanism to realize the braking function of the caster, which reduces the production cost.

Description

A nursing device with a four-bar brake mechanism

technical field

The utility model belongs to the technical field of medical nursing equipment and relates to a nursing equipment with a four-bar brake mechanism.

Background technique

Electric nursing beds are widely used in the treatment and daily care of patients or elderly people. Mainly used in hospitals and homes. Its convenient electric controls make care easy. In order to facilitate the movement of the patient's position, casters with brake function are installed at the foot of the bed. However, since the cost of casters with brake function is higher than that of ordinary casters, the cost of nursing beds increases. Moreover, the liftable range of the electric nursing bed is limited, and sometimes it cannot reach an ideal height. In order to prevent the patient from falling from the bed surface, the bed surface also needs to be lowered if necessary. However, the nursing beds on the market cannot lower the bed surface to a height lower than 130mm.

Utility model content

The purpose of the utility model is to provide a nursing device with a four-bar brake mechanism. The nursing bed adopts a pedal brake mechanism to realize the brake function of the casters, which reduces the production cost.

The technical scheme adopted by the utility model is a nursing equipment with a four-bar brake mechanism, including a bed frame, which is provided with a back board, a waist board, a leg board and a tail board hinged in turn, and the back board and the bed An electric push rod A is set between the frames, and an electric push rod B is set between the leg board and the bed frame. There are casters A and B at the bottom of the bed respectively, and a four-link brake mechanism is provided on the casters B of the rear bed legs; and an electric push rod C is provided between the front bed legs and the bed frame, and an electric push rod C is provided between the rear bed legs and the bed frame. Equipped with electric push rod D;

The caster A includes a caster bracket A, and the two ends of the caster bracket A are respectively equipped with universal wheels A;

A chute A and a chute B are respectively provided in the middle of the front and rear sides of the bed frame, and the chute A and the chute B cooperate with the front leg and the rear leg at the same time.

The utility model is also characterized in that,

The front bed leg includes two parallel legs A and B. One end of leg A is installed in chute A through bearing A; one end of leg B is installed in chute B through bearing B. Leg A The other end of the leg and the other end of the leg B are connected through the bottom bar A, and the two ends of the bottom bar A are respectively equipped with casters A;

There is an H-shaped support rod A between the outrigger A and the outrigger B. The lower ends of the two vertical rods of the support rod A are respectively hinged on the outrigger A and the outrigger B, and the upper ends of the two vertical rods of the support rod A are respectively hinged on the The bottom of the front and rear sides of the bed frame; the fixed end of the electric push rod C is connected to the bottom of the bed frame, and the movable end of the electric push rod C is connected to the cross bar of the support rod A.

The caster A includes a caster bracket A, the two ends of the caster bracket A are respectively provided with universal wheels A, and the middle part of the caster bracket A is connected to one end of the bottom bar A.

The rear bed leg includes two outriggers C and D arranged in parallel. One end of outrigger C is installed in chute A through bearing C; one end of outrigger D is installed in chute B through bearing D, and outrigger C is installed in chute A through bearing D. The other end of the leg D is connected with the other end of the bottom bar B, and the two ends of the bottom bar B are respectively equipped with casters B;

There is an H-shaped support bar B between the outrigger C and the outrigger D. The lower ends of the two vertical bars of the support bar B are respectively hinged on the outrigger C and the outrigger D, and the upper ends of the two vertical bars of the support bar B are respectively hinged on the The bottom of the front and rear sides of the bed frame; the fixed end of the electric push rod D is connected to the bottom of the bed frame, and the movable end of the electric push rod D is connected to the cross bar of the support rod B.

The caster B includes a caster bracket B, and the two ends of the caster bracket B are respectively equipped with universal wheels B, and the middle part of the caster bracket B is equipped with a brake block connected with the four-link brake mechanism, and the brake block is connected to one end of the bottom bar B;

The four-link brake mechanism includes a U-shaped connecting rod A, the two free ends of the U-shaped connecting rod A are respectively connected to one end of the connecting rod B, and the other end of the connecting rod B is connected to one end of the connecting rod C through a cross bar. The cross bar and the connecting rod B are connected in turn to form a U-shaped connecting rod structure; the connecting rod B and the connecting rod C are respectively connected to the opposite sides of the caster bracket B through the brake connecting rod;

The opposite sides of the brake block are respectively provided with the brake main rotating link A and the brake main rotating link B. The two sides of the upper end of the connecting rod A are connected with the connecting rod C and one side of the caster bracket B respectively;

A brake pedal and a brake pedal are respectively arranged on the cross bar of the U-shaped connecting rod A, and the brake pedal is set higher than the brake pedal.

The backboard includes a backplane main board, and the opposite sides of the backboard main board are symmetrically provided with backboard widening plates; 1. Between the support tube B and the support tube C, a support tube D and a support E are arranged longitudinally and parallelly; between the support tube A and the support tube B, at least two reinforcing tubes A are arranged in parallel in sequence;

The backboard widening plate includes a support tube F arranged vertically, the two ends of the support tube F are respectively provided with an intubation tube A and an intubation tube B horizontally, and at least two insertion rods A are arranged in parallel between the intubation tube A and the intubation tube B, The insertion rod A and the reinforcing tube A are set in one-to-one correspondence;

The intubation tube A is inserted into the support tube B, and the insertion rod A is inserted into the reinforcement tube A;

One end of the support tube F is connected to one end of the L-shaped backplane bend, and the other end of the backplane bend is inserted into one end of the support tube C;

The two ends of the support tube A are respectively provided with a hollow positioning cylinder A, the inner wall of the positioning cylinder A is provided with internal threads, and the positioning cylinder A is connected with the inside of the support tube A, the intubation tube B is inserted into the support tube A, and the bolt is screwed Fix the cannula B and support tube A in the positioning cylinder A.

The waist plate includes the main plate of the waist plate, and the opposite sides of the main plate of the waist plate are respectively symmetrically provided with widening plates of the waist plate;

The main board of the waist plate includes a support tube G and a support tube H arranged horizontally and parallelly in sequence, a support tube I and a support tube J are arranged longitudinally and parallelly between the support tube G and the support tube H, and at least A reinforcing tube B;

The waist plate widening plate includes a support tube K arranged longitudinally, and the two ends of the support tube K are respectively provided with an intubation tube C and an intubation tube D horizontally. Set in one-to-one correspondence with the reinforcement tube B;

The intubation tube C is inserted into the support tube H, and the insertion rod B is inserted into the reinforcing tube B;

The two ends of the support tube G are respectively provided with a hollow positioning cylinder B, the inner wall of the positioning cylinder B is provided with an internal thread, and the positioning cylinder B is connected with the inside of the support tube G, the intubation tube D is inserted into the support tube G, and the bolt is screwed Fix the intubation tube D and the support tube G in the positioning cylinder B.

The leg board includes a leg board main board, and the opposite sides of the leg board main board are respectively symmetrically provided with leg board widening boards;

The main board of the leg plate includes a support tube L and a support tube M arranged horizontally and parallelly in sequence, a support tube N and a support tube O are arranged longitudinally and parallelly between the support tube L and the support tube M, and a support tube N and a support tube O are arranged between the support tube N and the support tube O. At least two reinforcing pipes C;

The leg plate widening plate includes a vertically arranged support pipe P, and the two ends of the support pipe P are respectively provided with an intubation tube E and an intubation tube F horizontally, and at least two insertion rods C are arranged between the intubation tube E and the intubation tube F, and the insertion rods C and reinforcing tube C are set in one-to-one correspondence;

The intubation tube E is inserted into the support tube M, and the insertion rod C is inserted into the reinforcement tube C;

Both ends of the support tube L are respectively provided with a hollow positioning cylinder C, the inner wall of the positioning cylinder C is provided with an internal thread, and the positioning cylinder C is connected with the inside of the support tube L, the intubation tube F is inserted into the support tube L, and the bolt is screwed Fix the intubation tube F and the support tube L in the positioning cylinder C.

The tailboard includes a tailboard main board, the opposite sides of the tail board main board are respectively provided with tail board widening boards, one end of the tail board main board is provided with a tail board extension board, and the other end of the tail board main board is connected with the leg board;

The main board of the tailgate includes a support tube Q and a support tube R arranged horizontally in sequence, a support tube S and a support tube T are arranged longitudinally and parallelly between the support tube Q and the support tube R, and at least Two reinforcing tubes D;

The tailboard widening plate includes a vertically arranged support tube U, and the two ends of the support tube U are respectively horizontally provided with an intubation tube G and an intubation tube H, and at least two insertion rods D are arranged between the intubation tube G and the intubation tube H, and the insertion rods D is set in one-to-one correspondence with the reinforcing tube D;

The intubation tube G is inserted into the support tube R, and the insertion rod D is inserted into the reinforcing tube D;

The tail plate extension plate includes a support tube V, and the two ends of the support tube V are symmetrically provided with L-shaped tail plate bends, one end of the tail plate bend is inserted into one end of the support tube V, and the other end of the tail plate bend is inserted into the One end of the support tube U; the middle part of the support tube V is provided with an intubation tube I, and the middle part of the support tube R is provided with a reinforcing tube E, and the intubation tube I is inserted into the reinforcing tube E;

The two ends of the support tube Q are respectively provided with a hollow positioning cylinder D, the inner wall of the positioning cylinder D is provided with an internal thread, and the positioning cylinder D is connected with the inside of the support tube Q, the intubation tube H is inserted into the support tube Q, and the bolt is screwed Fix the intubation tube H and the support tube Q in the positioning cylinder D;

One end of the support pipe U is provided with a hollow positioning cylinder E, and the inner wall of the positioning cylinder E is provided with an internal thread, and the positioning cylinder E is connected with the inside of the support pipe U, and one end of the tail plate elbow is inserted into the support pipe U, and the bolt is screwed Fix the tail plate elbow and support tube U in the positioning cylinder E.

The beneficial effect of the utility model is that it is suitable for hospitals, families and nursing homes, and the suitable crowd is patients who need to stay in bed for a long time or elderly people. Due to its simple and convenient operation, it can reduce the workload of nursing staff. The integrally liftable bed surface can effectively prevent the user from falling off the bed. The rotation of the back board and the leg board can meet different body positions of the user, and is convenient for nursing and rehabilitation. The production cost of its four-bar brake structure is lower than that of brake wheels, which is convenient and easy to use, and has strong market competitiveness

Description of drawings

Fig. 1 is a structural representation of a nursing device with a four-bar brake mechanism of the utility model;

Fig. 2 is a bottom view of a nursing device with a four-bar brake mechanism of the utility model;

Fig. 3 is a top view of a nursing device with a four-bar brake mechanism of the utility model;

Fig. 4 is a schematic structural view of the front bed leg of a nursing device with a four-bar brake mechanism of the present invention;

Fig. 5 is a schematic diagram of the rear bed leg structure of a nursing device with a four-bar brake mechanism in the present invention;

Fig. 6 is a schematic diagram of the connection structure between the front bed leg, the rear bed leg and the chute A of a nursing device with a four-bar brake mechanism of the present invention;

Fig. 7 is a schematic diagram of the connection structure of the front bed leg, the rear bed leg and the chute B of a nursing device with a four-bar brake mechanism of the present invention;

Fig. 8 is a structural schematic diagram of a caster A in a nursing device with a four-bar brake mechanism of the present invention;

Fig. 9 is a structural schematic diagram of the connection between the caster B and the four-bar brake mechanism in a nursing device with a four-bar brake mechanism of the present invention;

Fig. 10 is a structural schematic diagram of connecting rod A and connecting rod B of a four-bar brake mechanism of a nursing device with a four-bar brake mechanism according to the present invention;

Fig. 11 is a schematic diagram of the split structure of the backboard in a nursing device with a four-bar brake mechanism of the present invention;

Fig. 12 is a schematic diagram of the split structure of a nursing equipment with a four-bar brake mechanism in the utility model;

Fig. 13 is a schematic diagram of the disassembled structure of the leg plate in a nursing device with a four-bar brake mechanism of the present invention;

Fig. 14 is a schematic diagram of the disassembled structure of the tail plate in a nursing device with a four-bar brake mechanism of the present invention.

In the figure, 1. bed frame;

2. Backplane, 2-1. Support tube A, 2-2. Support tube B, 2-3. Support tube C, 2-4. Support tube D, 2-5. Support tube E, 2-6. Reinforcement Tube A, 2-7. Support tube F, 2-8. Intubation tube A, 2-9. Intubation tube B, 2-10. Insertion rod A, 2-11. Back plate elbow, 2-12. Positioning cylinder A;

3. Waist plate, 3-1. Support tube G, 3-2. Support tube H, 3-3. Support tube I, 3-4. Support tube J, 3-5. Reinforcement tube B, 3-6. Support tube K, 3-7. Cannula C, 3-8. Cannula D, 3-9. Insertion rod B, 3-10. Positioning cylinder B;

4. Leg plate, 4-1. Support tube L, 4-2. Support tube M, 4-3. Support tube N, 4-4. Support tube O, 4-5. Reinforcement tube C, 4-6. Support Tube P, 4-7. Intubation tube E, 4-8. Intubation tube F, 4-9. Insertion rod C, 4-10. Positioning cylinder C;

5. Tail plate, 5-1. Support tube Q, 5-2. Support tube R, 5-3. Support tube S, 5-4. Support tube T, 5-5. Reinforcing tube D, 5-6. Support Tube U, 5-7. Intubation G, 5-8. Intubation H, 5-9. Insertion rod D, 5-10. Tail plate elbow, 5-11. Support tube V, 5-12. Intubation I, 5-13. Strengthening tube E, 5-14. Positioning cylinder D, 5-15. Positioning cylinder E;

6. Front bed leg, 6-1. Outrigger A, 6-2. Outrigger B, 6-3. Bearing A, 6-4. Bearing B, 6-5. Bottom bar A, 6-6. Support bar A;

7. Rear bed leg, 7-1. Outrigger C, 7-2. Outrigger D, 7-3. Bearing C, 7-4. Bearing D, 7-5. Bottom bar B, 7-6. Support bar B;

8. Caster A, 8-1. Caster bracket A, 8-2. Universal wheel A;

9. Electric push rod A, 10. Electric push rod B, 11. Electric push rod C, 12. Electric push rod D, 13. Chute A, 14. Chute B;

15. Four-link brake mechanism, 15-1. Connecting rod A, 15-2. Connecting rod B, 15-3. Cross bar, 15-4. Connecting rod C, 15-5. Brake connecting rod, 15-6 .Brake main rotary link A, 15-7. Brake main rotary link B, 15-8. Brake pedal, 15-9. Release the brake pedal;

16. Caster B, 16-1. Caster bracket B, 16-2. Universal wheel B, 16-3. Brake blocks.

Detailed ways

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

The utility model is a nursing device with a four-bar brake mechanism, as shown in Figures 1 to 3, including a bed frame 1, which is provided with a back plate 2, a waist plate 3, a leg plate 4 and a tail plate hinged in turn. Board 5, and back board 2, waist board 3, leg board 4 and tail board 5 are all hinged with bed frame 1; Back board 2, waist board 3, leg board 4 and tail board 5 are connected successively to form the bed surface.

An electric push rod A9 is provided between the backboard 2 and the bed frame 1, an electric push rod B10 is provided between the leg board 4 and the bed frame 1, and front legs 6 and rear legs are respectively provided at the front and rear ends of the bed frame 1. Bed leg 7, the bottom of front bed leg 6 and rear bed leg 7 are provided with caster A8 and caster B16 respectively, and the caster B16 of rear bed leg 7 is provided with four-link brake mechanism 15; And front bed leg 6 and bed frame 1 An electric push rod C11 is arranged between them, and an electric push rod D12 is arranged between the rear bed legs 7 and the bed frame 1 .

A chute A13 and a chute B14 are respectively provided in the middle of the front and rear sides of the bed frame 1 , and the chute A13 and the chute B14 cooperate with the front leg 6 and the rear leg 7 at the same time.

As shown in Figure 4, the front bed leg 6 comprises two supporting legs A6-1 and supporting leg B6-2 arranged in parallel, as shown in Figure 5, the rear bed leg 7 comprises two supporting legs C7-1 and Outrigger D7-2,

As shown in Figures 6 and 7, one end of the outrigger A6-1 is installed in the chute A13 through the bearing A6-3; one end of the outrigger B6-2 is installed in the chute B14 through the bearing B6-4, and the outrigger A6- The other end of 1 is connected with the other end of the outrigger B6-2 through the bottom bar A6-5, and the two ends of the bottom bar A6-5 are respectively equipped with casters A8;

An H-shaped support rod A6-6 is arranged between the support leg A6-1 and the support leg B6-2, and the lower ends of the two vertical rods of the support rod A6-6 are respectively hinged on the support leg A6-1 and the support leg B6-2. The upper ends of the two vertical bars of the support rod A6-6 are respectively hinged at the bottom of the front and rear sides of the bed frame 1; crossbar connection.

One end of outrigger C7-1 is installed in chute A13 through bearing C7-3; one end of outrigger D7-2 is installed in chute B14 through bearing D7-4, and the other end of outrigger C7-1 and outrigger D7 The other end of -2 is connected through the bottom bar B7-5, and the two ends of the bottom bar B7-5 are respectively equipped with casters B16;

An H-shaped support rod B7-6 is arranged between the support leg C7-1 and the support leg D7-2, and the lower ends of the two vertical rods of the support rod B7-6 are respectively hinged on the support leg C7-1 and the support leg D7-2. The upper ends of the two vertical rods of the support rod B7-6 are respectively hinged at the bottom of the front and rear sides of the bed frame 1; the fixed end of the electric push rod D12 is connected to the bottom of the bed frame 1, and the movable end of the electric push rod D12 is connected crossbar connection.

Through the cooperation of the electric push rod D12 and the electric push rod C11, the height of the bed frame 1 can be adjusted;

As shown in Figure 8, the caster A8 includes a caster bracket A8-1, the two ends of the caster bracket A8-1 are respectively provided with universal wheels A8-2, and the middle part of the caster bracket A8-1 is connected to one end of the bottom bar A6-5.

As shown in Figures 9 and 10, the caster B16 includes a caster bracket B16-1, the two ends of the caster bracket B16-1 are respectively equipped with universal wheels B16-2, and the middle part of the caster bracket B16-1 is equipped with a four-link brake mechanism. 15 connected brake block 16-3, the brake block 16-3 is connected to an end of the bottom bar B7-5;

The four-bar brake mechanism 15 includes a U-shaped connecting rod A15-1, the two free ends of the U-shaped connecting rod A15-1 are respectively connected to one end of the connecting rod B15-2, and the other end of the connecting rod B15-2 passes through the cross bar 15-1. 3 Connect one end of connecting rod C15-4, connecting rod C15-4, cross bar 15-3 and connecting rod B15-2 are sequentially connected to form a U-shaped connecting rod structure; connecting rod B15-2 and connecting rod C15-4 respectively pass the brake The connecting rod 15-5 is connected to the opposite sides of the caster bracket B16-1;

The opposite sides of the brake block 16-3 are respectively provided with the brake main rotating link A15-6 and the brake main rotating link B15-7, and the lower ends of the brake main rotating link A15-6 and the brake main rotating link B15-7 respectively Socketed on the bottom rod B7-5, the two sides of the upper end of the brake main rotating link A15-6 are respectively connected with the connecting rod C15-4 and one side of the caster bracket B16-1; the upper end of the brake main rotating link B15-7 The two sides are respectively connected with the connecting rod B15-2 and the other side of the caster bracket B16-1;

A brake pedal 15-8 and a brake pedal 15-9 are respectively provided on the cross bar of the U-shaped connecting rod A15-1, and the brake pedal 15-8 is set higher than the brake pedal 15-9.

When braking, lift the brake pedal 15-8 with your feet, the connecting rod C15-4 and the connecting rod B15-2 are lifted along with the connecting rod A, and at the same time the connecting rod C15-4 drives the brake main rotating connecting rod A15-6 to lift up, The connecting rod B15-2 drives the brake main rotation connecting rod B15-7 to lift up, and the brake main rotation connecting rod A15-6 and the brake main rotation connecting rod B15-7 lift the caster bracket B16-1 at the same time, so that the universal wheel B16- 2 Leave the ground to achieve the purpose of braking; when you want to walk, step on and release the brake pedal 15-9, the universal wheel B16-2 is in contact with the ground, and the nursing bed can continue to push and walk;

As shown in Figure 11, the backplane 2 includes a backplane main board, and the opposite sides of the backplane main board are symmetrically provided with backplane widening boards;

The main board of the backplane includes the support tube A2-1, the support tube B2-2 and the support tube C2-3 which are arranged horizontally and parallel in turn, and the support tube A2-1, the support tube B2-2 and the support tube C2-3 are respectively arranged vertically and parallelly There are support tubes D2-4 and support E2-5; at least two reinforcing tubes A2-6 are arranged in parallel between the support tube A2-1 and the support tube B2-2;

The backboard widening plate includes a support tube F2-7 arranged vertically, and the two ends of the support tube F2-7 are respectively provided with an intubation tube A2-8 and an intubation tube B2-9 horizontally, and an intubation tube A2-8 and an intubation tube B2-9 At least two insertion rods A2-10 are arranged in parallel in turn, and the insertion rods A2-10 and the reinforcing pipe A2-6 are set in one-to-one correspondence;

The intubation tube A2-8 is inserted in the support tube B2-2, and the insertion rod A2-10 is inserted in the reinforcement tube A2-6;

One end of the support pipe F2-7 is connected to one end of the L-shaped backboard elbow 2-11, and the other end of the backboard elbow 2-11 is inserted into one end of the support pipe C2-3;

Both ends of the support tube A2-1 are respectively provided with a hollow positioning cylinder A2-12, the inner wall of the positioning cylinder A2-12 is provided with internal threads, and the positioning cylinder A2-12 is connected with the inside of the support tube A2-1, and the intubation tube B2- 9 is inserted into the support tube A2-1, and the bolts are screwed into the positioning cylinder A2-12 to fix the intubation tube B2-9 and the support tube A2-1.

The movable end of the electric push rod A9 is hinged on the support tube A2-1 for adjusting the inclination angle of the backboard 2;

When the backplane 2 is not widened, the intubation tube B2-9 is completely inserted in the support tube A2-1, the intubation tube A2-8 is completely inserted in the support tube B2-2, and the two backplane elbows 2-11 are inserted in the In the support tube C2-3, the insertion rod A2-10 is completely inserted into the reinforcement tube A2-6, the bolt is screwed into the positioning cylinder A2-12, and the end of the bolt rod is pushed against the outer wall of the intubation tube B2-9, and the support The tube A2-1 and the intubation tube B2-9 are locked, that is, the entire backplane structure is locked;

When it needs to be widened, loosen the bolts, separate the intubation tube A2-8, the intubation tube B2-9 and the backboard elbow 2-11 by a certain distance, and then tighten the bolts.

As shown in Figure 12, the waist board 3 includes a waist board main board, and waist board widening boards are arranged symmetrically on opposite sides of the waist board main board;

The main board of the waist plate includes a support tube G3-1 and a support tube H3-2 arranged horizontally and parallelly in turn, and a support tube I3-3 and a support tube J3-4 are arranged longitudinally and parallelly between the support tube G3-1 and the support tube H3-2, At least one reinforcement tube B3-5 is provided between the support tube I3-3 and the support tube J3-4;

The widening plate of the waist plate includes a support tube K3-6 arranged vertically. The two ends of the support tube K3-6 are respectively provided with an intubation tube C3-7 and an intubation tube D3-8 horizontally. There is at least one insertion rod B3-9 between them, and the insertion rod B3-9 is set in one-to-one correspondence with the reinforcing tube B3-5;

The intubation tube C3-7 is inserted into the support tube H3-2, and the insertion rod B3-9 is inserted into the reinforcement tube B3-5;

The two ends of the support tube G3-1 are respectively provided with hollow positioning cylinders B3-10, the inner wall of the positioning cylinder B3-10 is provided with internal threads, and the positioning cylinder B3-10 is connected with the inside of the support tube G3-1, and the intubation tube D3- 8 is inserted into the support tube G3-1, and the bolts are screwed into the positioning cylinder B3-10 to fix the intubation tube D3-8 and the support tube G3-1.

When the waist plate 3 is not widened, the intubation tube C3-7 is completely inserted in the support tube H3-2, the intubation tube D3-8 is fully inserted in the support tube G3-1, and the insertion rod B3-9 is fully inserted in the reinforcement tube B3- 5, the bolt is screwed into the positioning cylinder B3-10, and the end of the bolt rod is pushed against the outer wall of the intubation tube D3-8, and the support tube G3-1 and the intubation tube D3-8 are locked, that is, the entire waist plate structure is locked ;

When it needs to be widened, loosen the bolts, respectively pull the intubation tube C3-7, the intubation tube D3-8 and the insertion rod B3-9 apart by a certain distance, and then tighten the bolts.

As shown in Figure 13, the leg board 4 includes a leg board main board, and the opposite sides of the leg board main board are respectively symmetrically provided with leg board widening boards;

The main board of the leg plate includes a support tube L4-1 and a support tube M4-2 arranged horizontally and parallelly in turn, and a support tube N4-3 and a support tube O4-4 are arranged longitudinally and parallelly between the support tube L4-1 and the support tube M4-2 , there are at least two reinforcement tubes C4-5 between the support tube N4-3 and the support tube O4-4;

The widening plate of the leg plate includes a support tube P4-6 arranged vertically, and the two ends of the support tube P4-6 are respectively horizontally provided with an intubation tube E4-7 and an intubation tube F4-8, and an intubation tube E4-7 and an intubation tube F4-8 There are at least two insertion rods C4-9 between them, and the insertion rods C4-9 and the reinforcement tubes C4-5 are set in one-to-one correspondence;

The intubation tube E4-7 is inserted into the support tube M4-2, and the insertion rod C4-9 is inserted into the reinforcement tube C4-5;

The two ends of the support tube L4-1 are respectively provided with hollow positioning cylinders C4-10, the inner wall of the positioning cylinder C4-10 is provided with internal threads, and the positioning cylinder C4-10 is connected with the inside of the support tube L4-1, and the intubation tube F4- 8 is inserted into the support tube L4-1, and the bolts are screwed into the positioning cylinder C4-10 to fix the intubation tube F4-8 and the support tube L4-1.

The movable end of the electric push rod B10 is hinged on the support tube L4-1 for adjusting the inclination angle of the leg plate 4;

When the waist plate 4 is not widened, the intubation tube E4-7 is completely inserted in the support tube M4-2, the intubation tube F4-8 is fully inserted in the support tube L4-1, and the insertion rod C4-9 is fully inserted in the reinforcement tube C4- 5, the bolt is screwed into the positioning cylinder C4-10, and the end of the bolt rod is pushed against the outer wall of the intubation tube F4-8, and the support tube L4-1 and the intubation tube F4-8 are locked, that is, the entire leg plate structure is locked. tight;

When it needs to be widened, loosen the bolts, respectively pull the intubation tube E4-7, the intubation tube F4-8 and the insertion rod C4-9 apart by a certain distance, and then tighten the bolts.

As shown in Figure 14, the tailboard 5 includes a tailboard main board, the opposite sides of the tail board main board are respectively provided with a tail board widening board, one end of the tail board main board is provided with a tail board extension board, and the other end of the tail board main board is connected to the legs. board 4 connection;

The tailboard main board includes support tubes Q5-1 and support tubes R5-2 arranged horizontally in sequence, and support tubes S5-3 and support tubes T5-4 are arranged longitudinally and parallelly between the support tubes Q5-1 and R5-2, respectively. At least two reinforcement tubes D5-5 are provided between the support tube S5-3 and the support tube T5-4;

The tailboard widening plate includes a support tube U5-6 arranged vertically, and the two ends of the support tube U5-6 are respectively horizontally provided with an intubation tube G5-7 and an intubation tube H5-8, and an intubation tube G5-7 and an intubation tube H5-8 There are at least two insertion rods D5-9 between them, and the insertion rods D5-9 and the reinforcing tubes D5-5 are set in one-to-one correspondence;

The intubation tube G5-7 is inserted into the support tube R5-2, and the insertion rod D5-9 is inserted into the reinforcement tube D5-5;

The tail plate extension plate includes a support tube V5-11, and the two ends of the support tube V5-11 are respectively symmetrically provided with an L-shaped tail plate bend 5-10, and one end of the tail plate bend 5-10 is inserted into the support tube V5-11 One end of the tail plate elbow 5-10 is inserted into one end of the support tube U5-6; the middle part of the support tube V5-11 is provided with an intubation tube I5-12, and the middle part of the support tube R5-2 is provided with a reinforcing tube E5 -13, the intubation tube I5-12 is inserted into the reinforcing tube E5-13;

Both ends of the support tube Q5-1 are respectively provided with a hollow positioning cylinder D5-14, the inner wall of the positioning cylinder D5-14 is provided with an internal thread, and the positioning cylinder D5-14 is connected with the inside of the support tube Q5-1, and the intubation tube H5- 8 Insert the sleeve into the support tube Q5-1, screw the bolts in the positioning cylinder D5-14 to fix the intubation tube H5-8 and the support tube Q5-1;

One end of the support pipe U5-6 is provided with a hollow positioning cylinder E5-15, the inner wall of the positioning cylinder E5-15 is provided with internal threads, and the positioning cylinder E5-15 is connected with the support pipe U5-6, and the tail plate bend pipe 5-10 One end of one end is inserted and sleeved in the support pipe U5-6, and the bolt is screwed in the positioning cylinder E5-15 to fix the tail plate elbow 5-10 and the support pipe U5-6.

When the tail plate 5 is not widened, the intubation tube G5-7 is completely inserted in the support tube R, the intubation tube H5-8 is fully inserted in the support tube Q5-1, and the insertion rod D5-9 is fully inserted in the reinforcement tube D5-5 , the bolt is screwed into the positioning cylinder D5-14, and the end of the bolt rod is pressed against the outer wall of the intubation tube H5-8, and the support tube Q5-1 and the intubation tube H5-8 are locked.

When it needs to be widened, loosen the bolts, respectively pull the intubation tube H5-8, the intubation tube G5-7 and the insertion rod D5-9 apart by a certain distance, and then tighten the bolts.

When the tail plate 5 is not extended, one end of the tail plate elbow 5-10 is completely inserted into the support tube U5-6, the intubation tube I5-12 is completely inserted into the reinforcement tube E5-13, and the bolts are screwed into the positioning cylinder E5-15 , and the end of the bolt rod is pushed against the outer wall of one end of the tail plate elbow 5-10, and the support pipe U5-6 and the tail plate elbow 5-10 are locked.

When it needs to be lengthened, loosen the bolt, pull out one end of the tail plate elbow 5-10 and the insertion tube I5-12 for a certain distance, and then tighten the bolt.

Claims (8)

1. A nursing device with a four-bar brake mechanism, characterized in that: it comprises a bed frame (1), and the bed frame (1) is provided with a back plate (2), a waist plate (3), and a leg plate hinged in turn. (4) and the tail plate (5), an electric push rod A (9) is set between the back plate (2) and the bed frame (1), and an electric push rod is set between the leg plate (4) and the bed frame (1) Rod B (10), the front and rear ends of the bottom of the bed frame (1) are respectively provided with front bed legs (6) and rear bed legs (7), and the bottoms of the front bed legs (6) and rear bed legs (7) are respectively Caster A (8) and caster B (16) are provided, and a four-link brake mechanism (15) is provided on the caster B (16) of the rear bed leg (7); and the front bed leg (6) and the bed frame (1 ) is provided with an electric push rod C (11), and an electric push rod D (12) is provided between the rear bed leg (7) and the bed frame (1); The caster A (8) includes a caster bracket A (8-1), and the two ends of the caster bracket A (8-1) are respectively provided with universal wheels A (8-2); The front and rear sides of the bed frame (1) are respectively provided with a chute A (13) and a chute B (14), and the chute A (13) and the chute B (14) are connected with the front leg (6) at the same time. Cooperate with the rear bed leg (7). 2. A nursing device with a four-bar brake mechanism according to claim 1, characterized in that: said front bed legs (6) include two parallel legs A (6-1) and legs B(6-2), one end of outrigger A(6-1) is installed in the chute A(13) through bearing A(6-3); one end of outrigger B(6-2) is installed in chute A(13) through bearing B(6-3). -4) Installed in the chute B (14), the other end of the outrigger A (6-1) and the other end of the outrigger B (6-2) are connected through the bottom bar A (6-5), and the bottom bar A The two ends of (6-5) are provided with caster A (8) respectively; An H-shaped support rod A (6-6) is arranged between the support leg A (6-1) and the support leg B (6-2), and the lower ends of the two vertical rods of the support rod A (6-6) are respectively hinged on the support On the leg A (6-1) and the supporting leg B (6-2), the upper ends of the two vertical rods of the support rod A (6-6) are respectively hinged at the bottom of the front and rear sides of the bed frame (1); The fixed end of the rod C (11) is connected to the bottom of the bed frame (1), and the movable end of the electric push rod C (11) is connected to the cross bar of the support rod A (6-6). 3. A nursing device with a four-bar brake mechanism according to claim 1, characterized in that: the rear bed legs (7) include two parallel legs C (7-1) and legs D(7-2), one end of outrigger C(7-1) is installed in the chute A(13) through bearing C(7-3); one end of outrigger D(7-2) is installed in chute A(13) through bearing D(7-3). -4) Installed in the chute B (14), the other end of the outrigger C (7-1) and the other end of the outrigger D (7-2) are connected through the bottom bar B (7-5), and the bottom bar B The two ends of (7-5) are provided with caster B (16) respectively; An H-shaped support bar B (7-6) is arranged between the support leg C (7-1) and the support leg D (7-2), and the lower ends of the two vertical bars of the support bar B (7-6) are respectively hinged on the support On the leg C (7-1) and the supporting leg D (7-2), the upper ends of the two vertical rods of the support rod B (7-6) are respectively hinged at the bottom of the front and rear sides of the bed frame (1); The fixed end of the rod D (12) is connected to the bottom of the bed frame (1), and the movable end of the electric push rod D (12) is connected with the cross bar of the support rod B (7-6). 4. A nursing device with a four-bar brake mechanism according to claim 3, characterized in that: the caster B (16) comprises a caster bracket B (16-1), and the caster bracket B (16-1) The two ends of the caster bracket B (16-1) are respectively equipped with universal wheels B (16-2), and the middle part of the caster bracket B (16-1) is provided with a brake block (16-3) connected with the four-link brake mechanism (15), and the brake block ( 16-3) connected to one end of the bottom bar B (7-5); The four-bar linkage braking mechanism (15) includes a U-shaped connecting rod A (15-1), and two free ends of the U-shaped connecting rod A (15-1) are respectively connected to one end of the connecting rod B (15-2), The other end of connecting rod B (15-2) connects one end of connecting rod C (15-4) through cross bar (15-3), and connecting rod C (15-4), cross bar (15-3) and connecting rod B (15-2) is connected in turn to form a U-shaped connecting rod structure; connecting rod B (15-2) and connecting rod C (15-4) are respectively connected to the caster bracket B (16- 1) opposite sides; The opposite sides of the brake block (16-3) are respectively provided with the brake main rotary link A (15-6) and the brake main rotary link B (15-7), and the brake main rotary link A (15-6) and the brake main rotary link A (15-6) and The lower end of the brake main rotating link B (15-7) is respectively sleeved on the bottom rod B (7-5), and the two sides of the upper end of the brake main rotating link A (15-6) are respectively connected with the connecting rod C (15- 4) Connect with one side of the caster bracket B (16-1); the two sides of the upper end of the brake main rotating link B (15-7) are respectively connected with the connecting rod B (15-2) and the caster bracket B (16-1) the other side of the connection; The cross bar of U-shaped connecting rod A (15-1) is respectively provided with brake pedal (15-8) and releases brake pedal (15-9), and brake pedal (15-8) is higher than releases brake pedal (15-9) )set up. 5. A nursing device with a four-bar brake mechanism according to claim 1, characterized in that: the backboard (2) includes a backboard main board, and the opposite sides of the backboard main board are respectively symmetrically arranged Widened back panel; The main board of the backplane includes a support tube A (2-1), a support tube B (2-2) and a support tube C (2-3), which are arranged horizontally and parallel in turn, and the support tube A (2-1), support tube B (2-2) and support tube C (2-3) are longitudinally parallel with support tube D (2-4) and support E (2-5); support tube A (2-1) and support tube B (2-2) are also arranged in parallel with at least two reinforcing pipes A (2-6); The widening plate of the backboard includes a support tube F (2-7) arranged vertically, and the two ends of the support tube F (2-7) are respectively horizontally provided with an intubation tube A (2-8) and an intubation tube B (2- 9), at least two insertion rods A (2-10), insertion rod A (2-10) and reinforcing tube A ( 2-6) One-to-one correspondence setting; The intubation tube A (2-8) is inserted into the support tube B (2-2), and the insertion rod A (2-10) is inserted into the reinforcement tube A (2-6); One end of the support pipe F (2-7) is connected to one end of the L-shaped backplane elbow (2-11), and the other end of the backplane elbow (2-11) is inserted into one end of the support pipe C (2-3); The two ends of the support pipe A (2-1) are respectively provided with a hollow positioning cylinder A (2-12), the inner wall of the positioning cylinder A (2-12) is provided with an internal thread, and the positioning cylinder A (2-12) is connected with the support The inside of the tube A (2-1) is penetrated, the intubation tube B (2-9) is inserted into the support tube A (2-1), the bolt is screwed into the positioning cylinder A (2-12) and the intubation tube B ( 2-9) and support tube A (2-1) for fixing. 6. A nursing device with a four-bar brake mechanism according to claim 1, characterized in that: the waist board (3) includes a waist board main board, and the opposite sides of the waist board main board are respectively symmetrically provided with waist board widening plate; The main board of the waist plate includes a support tube G (3-1) and a support tube H (3-2) arranged horizontally and parallel in turn, and the support tube G (3-1) and the support tube H (3-2) are respectively longitudinally parallel A support tube I (3-3) and a support tube J (3-4) are provided, and at least one reinforcing tube B (3-4) is provided between the support tube I (3-3) and the support tube J (3-4). 5); The waist plate widening plate includes a support tube K (3-6) arranged longitudinally, and the two ends of the support tube K (3-6) are respectively provided with an intubation tube C (3-7) and an intubation tube D (3-8) horizontally. ), there is at least one insertion rod B (3-9) between the intubation tube C (3-7) and the intubation tube D (3-8), the insertion rod B (3-9) and the reinforcing tube B (3-5 ) one-to-one corresponding setting; The intubation tube C (3-7) is inserted into the support tube H (3-2), and the insertion rod B (3-9) is inserted into the reinforcement tube B (3-5); The two ends of the support pipe G (3-1) are respectively provided with hollow positioning cylinders B (3-10), the inner wall of the positioning cylinder B (3-10) is provided with internal threads, and the positioning cylinder B (3-10) is connected with the support The inside of the tube G (3-1) is penetrated, the intubation tube D (3-8) is inserted into the support tube G (3-1), and the bolt is screwed into the positioning cylinder B (3-10) to insert the intubation tube D ( 3-8) and support tube G (3-1) for fixing. 7. A nursing device with a four-bar brake mechanism according to claim 1, characterized in that: the leg board (4) comprises a leg board main board, and the opposite sides of the leg board main board are respectively symmetrically provided with leg widening board; The main board of the leg plate includes a support tube L (4-1) and a support tube M (4-2) arranged horizontally and parallel in turn, and the longitudinal gap between the support tube L (4-1) and the support tube M (4-2) is respectively Support pipe N (4-3) and support pipe O (4-4) are arranged in parallel, and at least two reinforcing pipes C (4 -5); The widening plate of the leg plate includes a support pipe P (4-6) arranged vertically, and the two ends of the support pipe P (4-6) are respectively horizontally provided with an intubation tube E (4-7) and an intubation tube F (4-6). 8), there are at least two insertion rods C (4-9) between the intubation tube E (4-7) and the intubation tube F (4-8), the insertion rod C (4-9) and the reinforcing tube C (4- 5) One-to-one correspondence setting; The intubation tube E (4-7) is inserted into the support tube M (4-2), and the insertion rod C (4-9) is inserted into the reinforcement tube C (4-5); Both ends of the support pipe L (4-1) are respectively provided with a hollow positioning cylinder C (4-10), the inner wall of the positioning cylinder C (4-10) is provided with an internal thread, and the positioning cylinder C (4-10) is connected to the support The inside of the tube L (4-1) is penetrated, the intubation tube F (4-8) is inserted into the support tube L (4-1), and the bolt is screwed into the positioning cylinder C (4-10) to insert the intubation tube F ( 4-8) and support tube L (4-1) for fixing. 8. A nursing device with a four-bar brake mechanism according to claim 1, characterized in that: said tailgate (5) comprises a tailboard main board, and tail boards are respectively provided on opposite sides of said tailboard main board. Plate widening plate, one end of the tail plate main board is provided with a tail plate extension plate, and the other end of the tail plate main board is connected with the leg plate (4); The main board of the tailgate includes a support tube Q (5-1) and a support tube R (5-2) arranged horizontally in sequence, and the support tube Q (5-1) and the support tube R (5-2) are vertically parallel to each other. A support tube S (5-3) and a support tube T (5-4) are provided, and at least two reinforcing tubes D (5-4) are arranged between the support tube S (5-3) and the support tube T (5-4). 5); The tail plate widening plate includes a vertically arranged support tube U (5-6), and the two ends of the support tube U (5-6) are respectively horizontally provided with an intubation tube G (5-7) and an intubation tube H (5-6). 8), there are at least two insertion rods D (5-9) between the intubation tube G (5-7) and the intubation tube H (5-8), the insertion rod D (5-9) and the reinforcing tube D (5- 5) One-to-one correspondence setting; The intubation tube G (5-7) is inserted into the support tube R (5-2), and the insertion rod D (5-9) is inserted into the reinforcement tube D (5-5); The tail plate extension plate includes a support tube V (5-11), and the two ends of the support tube V (5-11) are respectively symmetrically provided with L-shaped tail plate bends (5-10), and the tail plate bends (5-10) -10) is inserted into one end of the support tube V (5-11), the other end of the tail plate elbow (5-10) is inserted into one end of the support tube U (5-6); the support tube V (5-11 ) is provided with an intubation tube I (5-12), the middle part of the support tube R (5-2) is provided with a reinforcement tube E (5-13), and the intubation tube I (5-12) is inserted into the reinforcement tube E ( 5-13); Both ends of the support pipe Q (5-1) are provided with hollow positioning cylinders D (5-14), the inner wall of the positioning cylinder D (5-14) is provided with internal threads, and the positioning cylinder D (5-14) is connected with the support The inside of the tube Q(5-1) is penetrated, the intubation tube H(5-8) is inserted into the support tube Q(5-1), and the bolt is screwed into the positioning cylinder D(5-14) to insert the intubation tube H( 5-8) and support tube Q (5-1) are fixed; One end of the support tube U (5-6) is provided with a hollow positioning cylinder E (5-15), and the inner wall of the positioning cylinder E (5-15) is provided with an internal thread, and the positioning cylinder E (5-15) is connected with the support tube U (5-6) is internally connected, one end of the tail plate elbow (5-10) is inserted into the support pipe U (5-6), and the bolt is screwed into the positioning cylinder E (5-15) to secure the tail plate elbow (5-10) and the support tube U (5-6) are fixed.