CN209827309U - Nursing equipment with four-bar brake mechanism - Google Patents
Nursing equipment with four-bar brake mechanism Download PDFInfo
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- CN209827309U CN209827309U CN201821475912.4U CN201821475912U CN209827309U CN 209827309 U CN209827309 U CN 209827309U CN 201821475912 U CN201821475912 U CN 201821475912U CN 209827309 U CN209827309 U CN 209827309U
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Abstract
The utility model discloses a nursing device with four-bar brake mechanism, which comprises a bedstead, wherein a back plate, a waist plate, a leg plate and a tail plate which are sequentially hinged end to end are arranged on the bedstead; an electric push rod C is arranged between the front bed leg and the bed frame, and an electric push rod D is arranged between the rear bed leg and the bed frame. The caster A comprises a caster bracket A, and two ends of the caster bracket A are respectively provided with a universal wheel A; the utility model discloses nursing bed adopts the brake function that formula brake mechanism was stepped on to the foot to realize the truckle, has reduced manufacturing cost.
Description
Technical Field
The utility model belongs to the technical field of medical care apparatus, a nursing equipment with four-bar brake mechanism is related to.
Background
The electric nursing bed is widely applied to treatment and daily nursing of patients or elderly people. Is mainly used in hospitals and families. The convenient electric control of the nursing device makes the nursing become simple. In order to facilitate the position movement of a patient, casters with brake function are additionally arranged at the bed legs. However, the cost of the caster with the braking function is higher than that of the common caster, so that the cost of the nursing bed is increased. Moreover, the electric nursing bed has a limited lifting range and sometimes cannot reach the ideal height. In order to prevent the patient from falling off the bed surface, the bed surface needs to be lowered when necessary. But the nursing bed on the market can not reduce the height of the bed surface to be lower than 130 mm.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a nursing equipment with four-bar brake mechanism, this nursing bed adopt the brake function that formula brake mechanism was stepped on to the foot realized the truckle, have reduced manufacturing cost.
The technical scheme adopted by the utility model is that a nursing device with four-bar brake mechanism comprises a bedstead, a backboard, a waist board, a leg board and a tail board which are sequentially hinged end to end are arranged on the bedstead, an electric push rod A is arranged between the backboard and the bedstead, an electric push rod B is arranged between the leg board and the bedstead, a front footpost and a rear footpost are respectively arranged at the front end and the rear end below the bedstead, the bottom parts of the front footpost and the rear footpost are respectively provided with a trundle A and a trundle B, and a four-bar brake mechanism is arranged on the trundle B of the rear footpost; an electric push rod C is arranged between the front bed leg and the bed frame, and an electric push rod D is arranged between the rear bed leg and the bed frame;
the caster A comprises a caster bracket A, and two ends of the caster bracket A are respectively provided with a universal wheel A;
the middle parts of the front side and the rear side of the bed frame are respectively provided with a chute A and a chute B, and the chute A and the chute B are simultaneously matched with the front bed leg and the rear bed leg.
The utility model is also characterized in that,
the front bed leg comprises a leg A and a leg B which are arranged in parallel, and one end of the leg A is arranged in the chute A through a bearing A; one end of the supporting leg B is arranged in the sliding groove B through a bearing B, the other end of the supporting leg A is connected with the other end of the supporting leg B through a bottom rod A, and two ends of the bottom rod A are respectively provided with a caster A;
an H-shaped supporting rod A is arranged between the supporting leg A and the supporting leg B, the lower ends of two vertical rods of the supporting rod A are respectively hinged to the supporting leg A and the supporting leg B, and the upper ends of the two vertical rods of the supporting rod A are respectively hinged to the bottoms of the front side and the rear side of the bedstead; 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 with the cross rod of the support rod A.
The truckle A includes truckle support A, and truckle support A's both ends are equipped with universal wheel A respectively, and truckle support A's middle part is connected in sill bar A's one end.
The rear bed leg comprises a leg C and a leg D which are arranged in parallel, and one end of the leg C is arranged in the chute A through a bearing C; one end of the landing leg D is arranged in the chute B through a bearing D, the other end of the landing leg C is connected with the other end of the landing leg D through a bottom rod B, and two ends of the bottom rod B are respectively provided with a caster B;
an H-shaped supporting rod B is arranged between the supporting leg C and the supporting leg D, the lower ends of two vertical rods of the supporting rod B are respectively hinged to the supporting leg C and the supporting leg D, and the upper ends of the two vertical rods of the supporting rod B are respectively hinged to the bottoms of the front side and the rear side of the bedstead; 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 with the cross rod of the support rod B.
The caster B comprises a caster bracket B, two ends of the caster bracket B are respectively provided with a universal wheel B, the middle part of the caster bracket B is provided with a brake block connected with the four-bar brake mechanism, and the brake block is connected with one end of the bottom rod B;
the four-connecting-rod brake mechanism comprises a U-shaped connecting rod A, two free ends of the U-shaped connecting rod A are respectively connected with one end of a connecting rod B, the other end of the connecting rod B is connected with one end of a connecting rod C through a cross rod, and the connecting rod C, the cross rod and the connecting rod B are sequentially connected to form a U-shaped connecting rod structure; the connecting rod B and the connecting rod C are respectively connected to two opposite sides of the caster bracket B through brake connecting rods;
the two opposite sides of the brake block are respectively provided with a brake main rotating connecting rod A and a brake main rotating connecting rod B, the lower ends of the brake main rotating connecting rod A and the brake main rotating connecting rod B are respectively sleeved on the bottom rod B, and the two sides of the upper end of the brake main rotating connecting rod A are respectively connected with one side of the connecting rod C and one side of the caster bracket B; two sides of the upper end of the brake main rotating connecting rod B are respectively connected with the connecting rod B and the other side of the caster bracket B;
and a cross rod of the U-shaped connecting rod A is respectively provided with a brake pedal and a brake releasing pedal, and the brake pedal is higher than the brake releasing pedal.
The back plate comprises a back plate main plate, and back plate widening plates are symmetrically arranged on two opposite sides of the back plate main plate respectively; the backboard main board comprises a supporting pipe A, a supporting pipe B and a supporting pipe C which are sequentially arranged in parallel in the transverse direction, and a supporting pipe D and a supporting pipe E are respectively arranged among the supporting pipe A, the supporting pipe B and the supporting pipe C in parallel in the longitudinal direction; at least two reinforcing pipes A are sequentially arranged between the supporting pipe A and the supporting pipe B in parallel;
the back plate widening plate comprises a supporting tube F which is longitudinally arranged, two ends of the supporting tube F are respectively and transversely provided with an inserting tube A and an inserting tube B, at least two inserting rods A are sequentially arranged between the inserting tube A and the inserting tube B in parallel, and the inserting rods A and the reinforcing tubes A are arranged in one-to-one correspondence;
the inserting pipe A is inserted into the supporting pipe B, and the inserting rod A is inserted into the reinforcing pipe A;
one end of the supporting tube F is connected with one end of the L-shaped back plate bent tube, and the other end of the back plate bent tube is inserted into one end of the supporting tube C;
the both ends of stay tube A are equipped with hollow positioning cylinder A respectively, and positioning cylinder A inner wall is equipped with the internal thread, and positioning cylinder A link up with stay tube A's inside, and intubate B plug bush is fixed intubate B and stay tube A in positioning cylinder A with the bolt is twisted.
The waist board comprises a waist board main board, and waist board widening boards are symmetrically arranged on two opposite sides of the waist board main board respectively;
the waist board main board comprises a supporting pipe G and a supporting pipe H which are sequentially arranged in parallel in the transverse direction, a supporting pipe I and a supporting pipe J are respectively arranged between the supporting pipe G and the supporting pipe H in parallel in the longitudinal direction, and at least one reinforcing pipe B is arranged between the supporting pipe I and the supporting pipe J;
the waist plate widening plate comprises a supporting tube K which is longitudinally arranged, two ends of the supporting tube K are respectively and transversely provided with an inserting tube C and an inserting tube D, at least one inserting rod B is arranged between the inserting tube C and the inserting tube D, and the inserting rods B and the reinforcing tubes B are arranged in a one-to-one correspondence manner;
the inserting tube C is inserted into the supporting tube H, and the inserting rod B is inserted into the reinforcing tube B;
the both ends of stay tube G are equipped with hollow positioning cylinder B respectively, and positioning cylinder B inner wall is equipped with the internal thread, and positioning cylinder B link up with stay tube G's inside, and intubate D plug bush is fixed intubate D and stay tube G in positioning cylinder B with the bolt is twisted in stay tube G.
The leg plate comprises a leg plate main plate, and leg plate widening plates are symmetrically arranged on two opposite sides of the leg plate main plate respectively;
the leg plate main plate comprises a supporting tube L and a supporting tube M which are sequentially arranged in parallel in the transverse direction, a supporting tube N and a supporting tube O are respectively arranged between the supporting tube L and the supporting tube M in parallel in the longitudinal direction, and at least two reinforcing tubes C are arranged between the supporting tube N and the supporting tube O;
the leg plate widening plate comprises a supporting tube P which is longitudinally arranged, two ends of the supporting tube P are respectively and transversely provided with an insertion tube E and an insertion tube F, at least two insertion rods C are arranged between the insertion tube E and the insertion tube F, and the insertion rods C are arranged in one-to-one correspondence with the reinforcing tubes C;
the inserting tube E is inserted into the supporting tube M, and the inserting rod C is inserted into the reinforcing tube C;
the both ends of stay tube L are equipped with hollow positioning cylinder C respectively, and positioning cylinder C inner wall is equipped with the internal thread, and positioning cylinder C link up with stay tube L's inside, and intubate F plug bush fixes intubate F and stay tube L in positioning cylinder C with the bolt is twisted.
The tail plate comprises a tail plate main plate, tail plate widening plates are respectively arranged on two opposite sides of the tail plate main plate, a tail plate lengthening plate is arranged at one end of the tail plate main plate, and the other end of the tail plate main plate is connected with the leg plate;
the tail board main board comprises a supporting pipe Q and a supporting pipe R which are sequentially and transversely arranged, a supporting pipe S and a supporting pipe T are longitudinally arranged between the supporting pipe Q and the supporting pipe R in parallel, and at least two reinforcing pipes D are arranged between the supporting pipe S and the supporting pipe T;
the tail plate widening plate comprises a supporting tube U which is longitudinally arranged, two ends of the supporting tube U are respectively and transversely provided with an insertion tube G and an insertion tube H, at least two insertion rods D are arranged between the insertion tube G and the insertion tube H, and the insertion rods D and the reinforcing tubes D are arranged in a one-to-one correspondence manner;
the inserting pipe G is inserted into the supporting pipe R, and the inserting rod D is inserted into the reinforcing pipe D;
the tail plate lengthening plate comprises a supporting tube V, L-shaped tail plate bent tubes are symmetrically arranged at two ends of the supporting tube V respectively, one end of each tail plate bent tube is inserted into one end of the supporting tube V, and the other end of each tail plate bent tube is inserted into one end of the supporting tube U; an insertion pipe I is arranged in the middle of the supporting pipe V, a reinforcing pipe E is arranged in the middle of the supporting pipe R, and the insertion pipe I is inserted in the reinforcing pipe E;
two ends of the supporting tube Q are respectively provided with a hollow positioning cylinder D, the inner wall of the positioning cylinder D is provided with internal threads, the positioning cylinder D is communicated with the inside of the supporting tube Q, the inserting tube H is inserted in the supporting tube Q, and a bolt is screwed in the positioning cylinder D to fix the inserting tube H and the supporting tube Q;
the one end of stay tube U is equipped with hollow positioning cylinder E, and positioning cylinder E inner wall is equipped with the internal thread, and positioning cylinder E and stay tube U are inside to link up, and the one end plug bush of tailboard return bend is fixed tailboard return bend and stay tube U in positioning cylinder E with the bolt is twisted.
The beneficial effects of the utility model are that, be suitable for the hospital, family and asylum for the aged, be fit for the disease or the old crowd that the crowd is for needing to lie in bed for a long time. Due to simple and convenient operation, the workload of nursing staff can be reduced. The bed surface capable of lifting integrally can effectively prevent a user from falling off from the bed. The rotation of the back plate and the leg plate can meet different body positions of a user, and the nursing and rehabilitation are facilitated. The four-rod brake structure has lower production cost than the brake wheel, is convenient and easy to use, and has strong market competitiveness
Drawings
FIG. 1 is a schematic structural view of a nursing device with a four-bar brake mechanism according to the present invention;
FIG. 2 is a bottom view of the nursing device with four-bar brake mechanism of the present invention;
FIG. 3 is a top view of the nursing device with four-bar brake mechanism of the present invention;
FIG. 4 is a schematic structural view of a front leg of a nursing device with a four-bar brake mechanism of the present invention;
FIG. 5 is a schematic structural view of a rear leg of a nursing device with a four-bar brake mechanism of the present invention;
FIG. 6 is a schematic view of the connection structure of the front bed leg, the rear bed leg and the chute A of the nursing device with the four-bar brake mechanism of the present invention;
FIG. 7 is a schematic view of the connection structure of the front bed leg, the rear bed leg and the sliding chute B of the nursing device with the four-bar brake mechanism of the present invention;
FIG. 8 is a schematic structural view of a caster A of a nursing device with a four-bar brake mechanism according to the present invention;
FIG. 9 is a schematic structural view of the connection between the caster B and the four-bar brake mechanism of the nursing device with the four-bar brake mechanism of the present invention;
FIG. 10 is a schematic structural view of a four-bar linkage brake mechanism of a nursing device with a four-bar linkage according to the present invention, wherein the linkage A is connected to the linkage B;
FIG. 11 is a schematic view of a split structure of a back plate of a nursing device with a four-bar brake mechanism according to the present invention;
FIG. 12 is a schematic view of a split structure of a middle waist plate of a nursing device with a four-bar brake mechanism according to the present invention;
FIG. 13 is a schematic view of a disassembled structure of a leg plate of a nursing device with a four-bar brake mechanism according to the present invention;
fig. 14 is a schematic view of the split structure of the tail plate of the nursing device with the four-bar brake mechanism of the present invention.
In the figure, 1, a bed frame;
2. the back plate comprises 2-1 parts of a support tube A, 2-2 parts of a support tube B, 2-3 parts of a support tube C, 2-4 parts of a support tube D, 2-5 parts of a support tube E, 2-6 parts of a reinforcing tube A, 2-7 parts of a support tube F, 2-8 parts of an insertion tube A, 2-9 parts of an insertion tube B, 2-10 parts of an insertion rod A, 2-11 parts of a back plate bent tube and 2-12 parts of a positioning cylinder A;
3. the device comprises a waist plate, 3-1 parts of a support tube G, 3-2 parts of a support tube H, 3-3 parts of a support tube I, 3-4 parts of a support tube J, 3-5 parts of a reinforcing tube B, 3-6 parts of a support tube K, 3-7 parts of an insertion tube C, 3-8 parts of an insertion tube D, 3-9 parts of an insertion rod B, 3-10 parts of a positioning cylinder B;
4. the device comprises a leg plate, a supporting tube L, a supporting tube M, a supporting tube N, a supporting tube O, a supporting tube C, a reinforcing tube C, a supporting tube P, an inserting tube E, an inserting tube F, an inserting rod C and a positioning cylinder C, wherein the supporting tube L is 4-1, the supporting tube M is 4-2, the supporting tube N is 4-3, the supporting tube N is 4-;
5. 5-1 parts of tail plate, 5-2 parts of support tube Q, 5-3 parts of support tube S, 5-4 parts of support tube T, 5-5 parts of reinforcing tube D, 5-6 parts of support tube U, 5-7 parts of insertion tube G, 5-8 parts of insertion tube H, 5-9 parts of insertion rod D, 5-10 parts of tail plate bent tube, 5-11 parts of support tube V, 5-12 parts of insertion tube I, 5-13 parts of reinforcing tube E, 5-14 parts of positioning cylinder D, 5-15 parts of positioning cylinder E;
6. front bed leg, 6-1, leg A, 6-2, leg B, 6-3, bearing A, 6-4, bearing B, 6-5, bottom rod A, 6-6 and support rod A;
7. 7-1 parts of rear bed leg, 7-2 parts of leg C, 7-3 parts of bearing C, 7-4 parts of bearing D, 7-5 parts of bottom rod B, 7-6 parts of supporting rod B;
8. the caster A, 8-1, the caster bracket A, 8-2 and the universal wheel A;
9. the electric push rod A, 10, the electric push rod B, 11, the electric push rod C, 12, the electric push rod D, 13, the sliding chute A, 14 and the sliding chute B;
15. a four-bar brake mechanism, 15-1, 15-2, 15-3, 15-4, 15-5, 15-6, 15-7, 15-8 and 15-9, and releasing the brake pedal;
16. the caster B, 16-1, the caster bracket B, 16-2, the universal wheel B, 16-3 and the brake block.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to a nursing device with four-bar brake mechanism, as shown in figures 1-3, comprising a bedstead 1, wherein the bedstead 1 is provided with a back plate 2, a waist plate 3, a leg plate 4 and a tail plate 5 which are sequentially hinged end to end, and the back plate 2, the waist plate 3, the leg plate 4 and the tail plate 5 are all hinged with the bedstead 1; the back plate 2, the waist plate 3, the leg plate 4 and the tail plate 5 are connected in sequence to form a bed surface.
An electric push rod A9 is arranged between the back plate 2 and the bedstead 1, an electric push rod B10 is arranged between the leg plate 4 and the bedstead 1, a front bed leg 6 and a rear bed leg 7 are respectively arranged at the front end and the rear end below the bedstead 1, casters A8 and a caster B16 are respectively arranged at the bottoms of the front bed leg 6 and the rear bed leg 7, and a four-link brake mechanism 15 is arranged on the caster B16 of the rear bed leg 7; an electric push rod C11 is arranged between the front bed leg 6 and the bed frame 1, and an electric push rod D12 is arranged between the rear bed leg 7 and the bed frame 1.
The middle parts of the front side and the rear side of the bed frame 1 are respectively provided with a sliding chute A13 and a sliding chute B14, and the sliding chute A13 and the sliding chute B14 are simultaneously matched with the front bed leg 6 and the rear bed leg 7.
As shown in fig. 4, the front bed leg 6 comprises two parallel arranged legs a6-1 and B6-2, as shown in fig. 5, the rear bed leg 7 comprises two parallel arranged legs C7-1 and D7-2,
as shown in fig. 6 and 7, one end of the supporting leg a6-1 is installed in the sliding groove a13 through a bearing a 6-3; one end of the supporting leg B6-2 is arranged in the sliding groove B14 through a bearing B6-4, the other end of the supporting leg A6-1 is connected with the other end of the supporting leg B6-2 through a bottom rod A6-5, and two ends of the bottom rod A6-5 are respectively provided with a caster A8;
an H-shaped supporting rod A6-6 is arranged between the supporting leg A6-1 and the supporting leg B6-2, the lower ends of two vertical rods of the supporting rod A6-6 are respectively hinged on the supporting leg A6-1 and the supporting leg B6-2, and the upper ends of two vertical rods of the supporting rod A6-6 are respectively hinged at the bottoms of the front side and the rear side of the bedstead 1; the fixed end of the electric push rod C11 is connected with the bottom of the bed frame 1, and the movable end of the electric push rod C11 is connected with the cross bar of the support bar A6-6.
One end of the supporting leg C7-1 is arranged in the sliding chute A13 through a bearing C7-3; one end of the supporting leg D7-2 is arranged in the sliding groove B14 through a bearing D7-4, the other end of the supporting leg C7-1 is connected with the other end of the supporting leg D7-2 through a bottom rod B7-5, and two ends of the bottom rod B7-5 are respectively provided with a caster B16;
an H-shaped supporting rod B7-6 is arranged between the supporting leg C7-1 and the supporting leg D7-2, the lower ends of two vertical rods of the supporting rod B7-6 are respectively hinged on the supporting leg C7-1 and the supporting leg D7-2, and the upper ends of two vertical rods of the supporting rod B7-6 are respectively hinged at the bottoms of the front side and the rear side of the bedstead 1; the fixed end of the electric push rod D12 is connected with the bottom of the bed frame 1, and the movable end of the electric push rod D12 is connected with the cross bar of the support bar B7-6.
The height of the bed frame 1 can be adjusted through the matching of the electric push rod D12 and the electric push rod C11;
as shown in FIG. 8, the caster A8 comprises a caster bracket A8-1, two ends of the caster bracket A8-1 are respectively provided with a universal wheel A8-2, and the middle part of the caster bracket A8-1 is connected to one end of a bottom rod A6-5.
As shown in fig. 9 and 10, the caster B16 comprises a caster bracket B16-1, two ends of the caster bracket B16-1 are respectively provided with a universal wheel B16-2, the middle part of the caster bracket B16-1 is provided with a brake block 16-3 connected with the four-bar brake mechanism 15, and the brake block 16-3 is connected with one end of the bottom rod B7-5;
the four-link brake mechanism 15 comprises a U-shaped link A15-1, two free ends of the U-shaped link A15-1 are respectively connected with one end of a link B15-2, the other end of the link B15-2 is connected with one end of a link C15-4 through a cross rod 15-3, and the link C15-4, the cross rod 15-3 and the link B15-2 are sequentially connected to form a U-shaped link structure; the connecting rod B15-2 and the connecting rod C15-4 are respectively connected to the two opposite sides of the caster bracket B16-1 through a brake connecting rod 15-5;
the two opposite sides of the brake block 16-3 are respectively provided with a brake main rotating connecting rod A15-6 and a brake main rotating connecting rod B15-7, the lower ends of the brake main rotating connecting rod A15-6 and the brake main rotating connecting rod B15-7 are respectively sleeved on a bottom rod B7-5, and the two sides of the upper end of the brake main rotating connecting rod A15-6 are respectively connected with one side of a connecting rod C15-4 and one side of a caster bracket B16-1; two sides of the upper end of the brake main rotating connecting rod B15-7 are respectively connected with the connecting rod B15-2 and the other side of the caster bracket B16-1;
the cross bar of the U-shaped connecting rod A15-1 is respectively provided with a brake pedal 15-8 and a brake pedal 15-9, and the brake pedal 15-8 is higher than the brake pedal 15-9.
When braking, a foot is used for lifting the brake pedal 15-8, the connecting rod C15-4 and the connecting rod B15-2 are lifted along with the connecting rod A, meanwhile, the connecting rod C15-4 drives the brake main rotating connecting rod A15-6 to be lifted upwards, the connecting rod B15-2 drives the brake main rotating connecting rod B15-7 to be lifted upwards, the brake main rotating connecting rod A15-6 and the brake main rotating connecting rod B15-7 simultaneously lift the caster bracket B16-1, so that the universal wheel B16-2 is separated from the ground, and the purpose of braking is achieved; when the nursing bed is going to walk, the brake pedal 15-9 is released by treading, the universal wheel B16-2 is in contact with the ground, and the nursing bed can continue to push and walk;
as shown in fig. 11, the back plate 2 includes a back plate main plate, and two opposite sides of the back plate main plate are respectively and symmetrically provided with a back plate widening plate;
the back plate main plate comprises a support tube A2-1, a support tube B2-2 and a support tube C2-3 which are sequentially transversely arranged in parallel, and a support tube D2-4 and a support tube E2-5 are respectively longitudinally arranged among the support tube A2-1, the support tube B2-2 and the support tube C2-3 in parallel; at least two reinforcing tubes A2-6 are sequentially arranged between the supporting tube A2-1 and the supporting tube B2-2 in parallel;
the back plate widening plate comprises a supporting tube F2-7 which is longitudinally arranged, two ends of the supporting tube F2-7 are respectively and transversely provided with an insertion tube A2-8 and an insertion tube B2-9, at least two insertion rods A2-10 are sequentially arranged between the insertion tube A2-8 and the insertion tube B2-9 in parallel, and the insertion rods A2-10 and the reinforcing tubes A2-6 are arranged in a one-to-one corresponding mode;
the inserting tube A2-8 is inserted in the supporting tube B2-2, and the inserting rod A2-10 is inserted in the reinforcing tube A2-6;
one end of the support pipe F2-7 is connected with one end of the L-shaped back plate elbow pipe 2-11, and the other end of the back plate elbow pipe 2-11 is inserted into one end of the support pipe C2-3;
two ends of the supporting 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, the positioning cylinder A2-12 is communicated with the inside of the supporting tube A2-1, the inserting tube B2-9 is inserted in the supporting tube A2-1, and a bolt is screwed in the positioning cylinder A2-12 to fix the inserting tube B2-9 and the supporting tube A2-1.
The movable end of the electric push rod A9 is hinged on the support tube A2-1 and is used for adjusting the inclination angle of the backboard 2;
when the back plate 2 is not widened, the insertion tube B2-9 is completely inserted into the support tube A2-1, the insertion tube A2-8 is completely inserted into the support tube B2-2, the two back plate bent tubes 2-11 are inserted into the support tube C2-3, the insertion rod A2-10 is completely inserted into the reinforcing tube A2-6, the bolt is screwed into the positioning cylinder A2-12, the end part of the bolt is propped against the outer wall of the insertion tube B2-9, the support tube A2-1 and the insertion tube B2-9 are locked, and the whole back plate structure is locked;
when widening is needed, the bolts are loosened, the insertion tube A2-8, the insertion tube B2-9 and the back plate bent tube 2-11 are respectively pulled apart for a certain distance, and then the bolts are screwed.
As shown in fig. 12, the waist panel 3 comprises a waist panel main panel, and waist panel widening plates are symmetrically arranged at two opposite sides of the waist panel main panel;
the waist plate main plate comprises a support tube G3-1 and a support tube H3-2 which are sequentially arranged transversely in parallel, a support tube I3-3 and a support tube J3-4 are respectively arranged between the support tube G3-1 and the support tube H3-2 in parallel, and at least one reinforcing tube B3-5 is arranged between the support tube I3-3 and the support tube J3-4;
the waist board widening plate comprises a supporting tube K3-6 which is longitudinally arranged, two ends of the supporting tube K3-6 are respectively and transversely provided with an inserting tube C3-7 and an inserting tube D3-8, at least one inserting rod B3-9 is arranged between the inserting tube C3-7 and the inserting tube D3-8, and the inserting rods B3-9 and the reinforcing tubes B3-5 are arranged in a one-to-one correspondence manner;
the inserting tube C3-7 is inserted in the supporting tube H3-2, and the inserting rod B3-9 is inserted in the reinforcing tube B3-5;
two ends of a supporting tube G3-1 are respectively provided with a hollow positioning cylinder B3-10, the inner wall of the positioning cylinder B3-10 is provided with internal threads, the positioning cylinder B3-10 is communicated with the inside of the supporting tube G3-1, an inserting tube D3-8 is inserted in the supporting tube G3-1, and a bolt is screwed in the positioning cylinder B3-10 to fix the inserting tube D3-8 and the supporting tube G3-1.
When the waist plate 3 is not widened, the insertion tube C3-7 is completely inserted into the support tube H3-2, the insertion tube D3-8 is completely inserted into the support tube G3-1, the insertion rod B3-9 is completely inserted into the reinforcing tube B3-5, the bolt is screwed into the positioning cylinder B3-10, the end part of the bolt rod is propped against the outer wall of the insertion tube D3-8, the support tube G3-1 and the insertion tube D3-8 are locked, and the whole waist plate structure is locked;
when widening is needed, the bolt is loosened, the inserting tube C3-7, the inserting tube D3-8 and the inserting rod B3-9 are respectively pulled apart for a certain distance, and then the bolt is screwed.
As shown in fig. 13, the leg plate 4 includes a leg plate main plate, and two opposite sides of the leg plate main plate are respectively and symmetrically provided with a leg plate widening plate;
the leg plate main plate comprises a supporting tube L4-1 and a supporting tube M4-2 which are sequentially arranged transversely in parallel, a supporting tube N4-3 and a supporting tube O4-4 are respectively arranged between the supporting tube L4-1 and the supporting tube M4-2 in parallel, and at least two reinforcing tubes C4-5 are arranged between the supporting tube N4-3 and the supporting tube O4-4;
the leg plate widening plate comprises a supporting tube P4-6 which is longitudinally arranged, two ends of the supporting tube P4-6 are respectively and transversely provided with an inserting tube E4-7 and an inserting tube F4-8, at least two inserting rods C4-9 are arranged between the inserting tube E4-7 and the inserting tube F4-8, and the inserting rods C4-9 and the reinforcing tubes C4-5 are arranged in a one-to-one corresponding mode;
the inserting tube E4-7 is inserted in the supporting tube M4-2, and the inserting rod C4-9 is inserted in the reinforcing tube C4-5;
two ends of the supporting tube L4-1 are respectively provided with a hollow positioning cylinder C4-10, the inner wall of the positioning cylinder C4-10 is provided with internal threads, the positioning cylinder C4-10 is communicated with the inside of the supporting tube L4-1, the inserting tube F4-8 is inserted in the supporting tube L4-1, and a bolt is screwed in the positioning cylinder C4-10 to fix the inserting tube F4-8 and the supporting tube L4-1.
The movable end of the electric push rod B10 is hinged on the support tube L4-1 and is used for adjusting the inclination angle of the leg plate 4;
when the waist plate 4 is not widened, the insertion tube E4-7 is completely inserted into the support tube M4-2, the insertion tube F4-8 is completely inserted into the support tube L4-1, the insertion rod C4-9 is completely inserted into the reinforcing tube C4-5, the bolt is screwed into the positioning cylinder C4-10, the end part of the bolt rod is propped against the outer wall of the insertion tube F4-8, the support tube L4-1 and the insertion tube F4-8 are locked, and the whole leg plate structure is locked;
when widening is needed, the bolt is loosened, the insertion tube E4-7, the insertion tube F4-8 and the insertion rod C4-9 are respectively pulled apart for a certain distance, and then the bolt is screwed.
As shown in fig. 14, the tail plate 5 includes a tail plate main plate, two opposite sides of the tail plate main plate are respectively provided with a tail plate widening plate, one end of the tail plate main plate is provided with a tail plate lengthening plate, and the other end of the tail plate main plate is connected with the leg plate 4;
the tail board main board comprises a supporting pipe Q5-1 and a supporting pipe R5-2 which are sequentially and transversely arranged, a supporting pipe S5-3 and a supporting pipe T5-4 are longitudinally and parallelly arranged between the supporting pipe Q5-1 and the supporting pipe R5-2 respectively, and at least two reinforcing pipes D5-5 are arranged between the supporting pipe S5-3 and the supporting pipe T5-4;
the tail plate widening plate comprises a supporting tube U5-6 which is longitudinally arranged, two ends of the supporting tube U5-6 are respectively and transversely provided with an inserting tube G5-7 and an inserting tube H5-8, at least two inserting rods D5-9 are arranged between the inserting tube G5-7 and the inserting tube H5-8, and the inserting rods D5-9 and the reinforcing tubes D5-5 are arranged in a one-to-one correspondence manner;
the inserting tube G5-7 is inserted in the supporting tube R5-2, and the inserting rod D5-9 is inserted in the reinforcing tube D5-5;
the tail plate lengthening plate comprises a supporting pipe V5-11, L-shaped tail plate bent pipes 5-10 are symmetrically arranged at two ends of the supporting pipe V5-11 respectively, one end of each tail plate bent pipe 5-10 is inserted into one end of the supporting pipe V5-11, and the other end of each tail plate bent pipe 5-10 is inserted into one end of the supporting pipe U5-6; an insertion tube I5-12 is arranged in the middle of the supporting tube V5-11, a reinforcing tube E5-13 is arranged in the middle of the supporting tube R5-2, and the insertion tube I5-12 is inserted in the reinforcing tube E5-13;
two ends of the supporting pipe Q5-1 are respectively provided with a hollow positioning cylinder D5-14, the inner wall of the positioning cylinder D5-14 is provided with internal threads, the positioning cylinder D5-14 is communicated with the inside of the supporting pipe Q5-1, the inserting pipe H5-8 is inserted in the supporting pipe Q5-1, and a bolt is screwed in the positioning cylinder D5-14 to fix the inserting pipe H5-8 and the supporting pipe Q5-1;
one end of the supporting tube 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, the positioning cylinder E5-15 is communicated with the inside of the supporting tube U5-6, one end of the tail plate elbow 5-10 is inserted in the supporting tube U5-6, and a bolt is screwed in the positioning cylinder E5-15 to fix the tail plate elbow 5-10 and the supporting tube U5-6.
When the tail plate 5 is not widened, the insertion tube G5-7 is completely inserted into the support tube R, the insertion tube H5-8 is completely inserted into the support tube Q5-1, the insertion rod D5-9 is completely inserted into the reinforcing tube D5-5, the bolt is screwed into the positioning cylinder D5-14, and the end part of the bolt is abutted against the outer wall of the insertion tube H5-8, so that the support tube Q5-1 and the insertion tube H5-8 are locked.
When widening is needed, the bolt is loosened, the inserting tube H5-8, the inserting tube G5-7 and the inserting rod D5-9 are respectively pulled apart for a certain distance, and then the bolt is screwed.
When the tail plate 5 is not lengthened, one end of the tail plate elbow 5-10 is completely inserted into the supporting tube U5-6, the insertion tube I5-12 is completely inserted into the reinforcing tube E5-13, the bolt is screwed into the positioning cylinder E5-15, the end part of the bolt rod is propped against the outer wall of one end of the tail plate elbow 5-10, and the supporting tube U5-6 and the tail plate elbow 5-10 are locked.
When the tail plate needs to be lengthened, the bolts are loosened, one end of the bent pipe 5-10 of the tail plate and the insertion pipe I5-12 are pulled out for a certain distance, and then the bolts are screwed.
Claims (8)
1. The utility model provides a nursing equipment with four-bar brake mechanism which characterized in that: the bed comprises a bed frame (1), wherein a back plate (2), a waist plate (3), a leg plate (4) and a tail plate (5) which are sequentially hinged end to end are arranged on the bed frame (1), an electric push rod A (9) is arranged between the back plate (2) and the bed frame (1), an electric push rod B (10) is arranged between the leg plate (4) and the bed frame (1), front and rear ends below the bed frame (1) are respectively provided with a front bed leg (6) and a rear bed leg (7), the bottoms of the front bed leg (6) and the rear bed leg (7) are respectively provided with a caster A (8) and a caster B (16), and a four-connecting-rod brake mechanism (15) is arranged on the caster B (16) of the rear bed leg (7; an electric push rod C (11) is arranged between the front bed leg (6) and the bed frame (1), and an electric push rod D (12) is arranged between the rear bed leg (7) and the bed frame (1);
the caster A (8) comprises a caster bracket A (8-1), and two ends of the caster bracket A (8-1) are respectively provided with a universal wheel A (8-2);
the middle parts of the front side and the rear side of the bedstead (1) are respectively provided with a sliding chute A (13) and a sliding chute B (14), and the sliding chutes A (13) and the sliding chutes B (14) are simultaneously matched with the front bed legs (6) and the rear bed legs (7).
2. A care apparatus with a four-bar brake mechanism according to claim 1, wherein: the front bed leg (6) comprises a leg A (6-1) and a leg B (6-2) which are arranged in parallel, and one end of the leg A (6-1) is arranged in the chute A (13) through a bearing A (6-3); one end of the supporting leg B (6-2) is arranged in the sliding groove B (14) through a bearing B (6-4), the other end of the supporting leg A (6-1) is connected with the other end of the supporting leg B (6-2) through a bottom rod A (6-5), and two ends of the bottom rod A (6-5) are respectively provided with a caster A (8);
an H-shaped supporting rod A (6-6) is arranged between the supporting leg A (6-1) and the supporting leg B (6-2), the lower ends of two vertical rods of the supporting rod A (6-6) are respectively hinged to the supporting leg A (6-1) and the supporting leg B (6-2), and the upper ends of two vertical rods of the supporting rod A (6-6) are respectively hinged to the bottoms of the front side and the rear side of the bedstead (1); the fixed end of the electric push 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 with the cross bar of the support rod A (6-6).
3. A care apparatus with a four-bar brake mechanism according to claim 1, wherein: the rear bed leg (7) comprises a leg C (7-1) and a leg D (7-2) which are arranged in parallel, and one end of the leg C (7-1) is arranged in the chute A (13) through a bearing C (7-3); one end of the landing leg D (7-2) is arranged in the chute B (14) through a bearing D (7-4), the other end of the landing leg C (7-1) is connected with the other end of the landing leg D (7-2) through a bottom rod B (7-5), and two ends of the bottom rod B (7-5) are respectively provided with a caster B (16);
an H-shaped supporting rod B (7-6) is arranged between the supporting leg C (7-1) and the supporting leg D (7-2), the lower ends of two vertical rods of the supporting rod B (7-6) are respectively hinged to the supporting leg C (7-1) and the supporting leg D (7-2), and the upper ends of two vertical rods of the supporting rod B (7-6) are respectively hinged to the bottoms of the front side and the rear side of the bedstead (1); the fixed end of the electric push 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 care apparatus with a four-bar brake mechanism according to claim 3, wherein: the caster B (16) comprises a caster support B (16-1), two ends of the caster support B (16-1) are respectively provided with a universal wheel B (16-2), the middle part of the caster support B (16-1) is provided with a brake block (16-3) connected with the four-bar brake mechanism (15), and the brake block (16-3) is connected with one end of the bottom rod B (7-5);
the four-connecting-rod brake mechanism (15) comprises a U-shaped connecting rod A (15-1), two free ends of the U-shaped connecting rod A (15-1) are respectively connected with one end of a connecting rod B (15-2), the other end of the connecting rod B (15-2) is connected with one end of a connecting rod C (15-4) through a cross rod (15-3), and the connecting rod C (15-4), the cross rod (15-3) and the connecting rod B (15-2) are sequentially connected to form a U-shaped connecting rod structure; the connecting rod B (15-2) and the connecting rod C (15-4) are respectively connected to two opposite sides of the caster bracket B (16-1) through a brake connecting rod (15-5);
the two opposite sides of the brake block (16-3) are respectively provided with a brake main rotating connecting rod A (15-6) and a brake main rotating connecting rod B (15-7), the lower ends of the brake main rotating connecting rod A (15-6) and the brake main rotating connecting rod B (15-7) are respectively sleeved on the bottom rod B (7-5), and the two sides of the upper end of the brake main rotating connecting rod A (15-6) are respectively connected with one side of the connecting rod C (15-4) and one side of the caster bracket B (16-1); two sides of the upper end of the main rotating connecting rod B (15-7) of the brake are respectively connected with the other sides of the connecting rod B (15-2) and the caster bracket B (16-1);
the cross bar of the U-shaped connecting rod A (15-1) is respectively provided with a brake pedal (15-8) and a brake pedal (15-9), and the brake pedal (15-8) is higher than the brake pedal (15-9).
5. A care apparatus with a four-bar brake mechanism according to claim 1, wherein: the back plate (2) comprises a back plate main plate, and back plate widening plates are symmetrically arranged on two opposite sides of the back plate main plate respectively;
the backboard main board comprises a supporting pipe A (2-1), a supporting pipe B (2-2) and a supporting pipe C (2-3) which are sequentially arranged in parallel in the transverse direction, and a supporting pipe D (2-4) and a supporting pipe E (2-5) are respectively arranged in parallel in the longitudinal direction among the supporting pipe A (2-1), the supporting pipe B (2-2) and the supporting pipe C (2-3); at least two reinforcing pipes A (2-6) are sequentially arranged between the supporting pipe A (2-1) and the supporting pipe B (2-2) in parallel;
the backboard widening plate comprises a supporting tube F (2-7) which is longitudinally arranged, two ends of the supporting tube F (2-7) are respectively and transversely provided with an insertion tube A (2-8) and an insertion tube B (2-9), at least two insertion rods A (2-10) are sequentially arranged between the insertion tube A (2-8) and the insertion tube B (2-9) in parallel, and the insertion rods A (2-10) and the reinforcing tubes A (2-6) are arranged in a one-to-one correspondence manner;
the inserting pipe A (2-8) is inserted in the supporting pipe B (2-2), and the inserting rod A (2-10) is inserted in the reinforcing pipe A (2-6);
one end of the supporting pipe F (2-7) is connected with one end of the L-shaped back plate bent pipe (2-11), and the other end of the back plate bent pipe (2-11) is inserted into one end of the supporting pipe C (2-3);
two ends of the supporting tube 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 internal threads, the positioning cylinder A (2-12) is communicated with the inside of the supporting tube A (2-1), the inserting tube B (2-9) is inserted in the supporting tube A (2-1), and a bolt is screwed in the positioning cylinder A (2-12) to fix the inserting tube B (2-9) and the supporting tube A (2-1).
6. A care apparatus with a four-bar brake mechanism according to claim 1, wherein: the waist board (3) comprises a waist board main board, and waist board widening boards are symmetrically arranged on two opposite sides of the waist board main board respectively;
the waist board main board comprises a supporting pipe G (3-1) and a supporting pipe H (3-2) which are sequentially and transversely arranged in parallel, a supporting pipe I (3-3) and a supporting pipe J (3-4) are respectively longitudinally arranged between the supporting pipe G (3-1) and the supporting pipe H (3-2) in parallel, and at least one reinforcing pipe B (3-5) is arranged between the supporting pipe I (3-3) and the supporting pipe J (3-4);
the waist plate widening plate comprises a supporting tube K (3-6) which is longitudinally arranged, two ends of the supporting tube K (3-6) are respectively and transversely provided with an insertion tube C (3-7) and an insertion tube D (3-8), at least one insertion rod B (3-9) is arranged between the insertion tube C (3-7) and the insertion tube D (3-8), and the insertion rods B (3-9) and the reinforcing tubes B (3-5) are arranged in a one-to-one correspondence manner;
an inserting pipe C (3-7) is inserted in the supporting pipe H (3-2), and an inserting rod B (3-9) is inserted in the reinforcing pipe B (3-5);
two ends of the supporting tube G (3-1) are respectively provided with a hollow positioning cylinder B (3-10), the inner wall of the positioning cylinder B (3-10) is provided with internal threads, the positioning cylinder B (3-10) is communicated with the inside of the supporting tube G (3-1), the inserting tube D (3-8) is inserted in the supporting tube G (3-1), and a bolt is screwed in the positioning cylinder B (3-10) to fix the inserting tube D (3-8) and the supporting tube G (3-1).
7. A care apparatus with a four-bar brake mechanism according to claim 1, wherein: the leg plate (4) comprises leg plate main plates, and leg plate widening plates are symmetrically arranged on two opposite sides of each leg plate main plate respectively;
the leg plate main plate comprises a supporting tube L (4-1) and a supporting tube M (4-2) which are sequentially and transversely arranged in parallel, a supporting tube N (4-3) and a supporting tube O (4-4) are respectively longitudinally arranged between the supporting tube L (4-1) and the supporting tube M (4-2) in parallel, and at least two reinforcing tubes C (4-5) are arranged between the supporting tube N (4-3) and the supporting tube O (4-4);
the leg plate widening plate comprises a supporting tube P (4-6) which is longitudinally arranged, two ends of the supporting tube P (4-6) are respectively and transversely provided with an insertion tube E (4-7) and an insertion tube F (4-8), at least two insertion rods C (4-9) are arranged between the insertion tube E (4-7) and the insertion tube F (4-8), and the insertion rods C (4-9) and the reinforcing tubes C (4-5) are arranged in a one-to-one correspondence manner;
an inserting pipe E (4-7) is inserted in the supporting pipe M (4-2), and an inserting rod C (4-9) is inserted in the reinforcing pipe C (4-5);
two ends of the supporting tube 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 internal threads, the positioning cylinder C (4-10) is communicated with the inside of the supporting tube L (4-1), the inserting tube F (4-8) is inserted in the supporting tube L (4-1), and a bolt is screwed in the positioning cylinder C (4-10) to fix the inserting tube F (4-8) and the supporting tube L (4-1).
8. A care apparatus with a four-bar brake mechanism according to claim 1, wherein: the tail plate (5) comprises a tail plate main plate, tail plate widening plates are respectively arranged on two opposite sides of the tail plate main plate, a tail plate lengthening plate is arranged at one end of the tail plate main plate, and the other end of the tail plate main plate is connected with the leg plate (4);
the tail board main board comprises a supporting pipe Q (5-1) and a supporting pipe R (5-2) which are sequentially and transversely arranged, a supporting pipe S (5-3) and a supporting pipe T (5-4) are longitudinally arranged between the supporting pipe Q (5-1) and the supporting pipe R (5-2) in parallel, and at least two reinforcing pipes D (5-5) are arranged between the supporting pipe S (5-3) and the supporting pipe T (5-4);
the tail plate widening plate comprises a supporting tube U (5-6) which is longitudinally arranged, two ends of the supporting tube U (5-6) are respectively and transversely provided with an insertion tube G (5-7) and an insertion tube H (5-8), at least two insertion rods D (5-9) are arranged between the insertion tube G (5-7) and the insertion tube H (5-8), and the insertion rods D (5-9) and the reinforcing tubes D (5-5) are arranged in a one-to-one correspondence manner;
an insertion pipe G (5-7) is inserted in the support pipe R (5-2), and an insertion rod D (5-9) is inserted in the reinforcing pipe D (5-5);
the tail plate lengthening plate comprises a supporting tube V (5-11), L-shaped tail plate bent tubes (5-10) are symmetrically arranged at two ends of the supporting tube V (5-11), one ends of the tail plate bent tubes (5-10) are inserted into one ends of the supporting tube V (5-11), and the other ends of the tail plate bent tubes (5-10) are inserted into one ends of the supporting tube U (5-6); an insertion pipe I (5-12) is arranged in the middle of the supporting pipe V (5-11), a reinforcing pipe E (5-13) is arranged in the middle of the supporting pipe R (5-2), and the insertion pipe I (5-12) is inserted in the reinforcing pipe E (5-13);
two ends of the supporting tube Q (5-1) are respectively provided with a hollow positioning cylinder D (5-14), the inner wall of the positioning cylinder D (5-14) is provided with internal threads, the positioning cylinder D (5-14) is communicated with the inside of the supporting tube Q (5-1), the inserting tube H (5-8) is inserted in the supporting tube Q (5-1), and a bolt is screwed in the positioning cylinder D (5-14) to fix the inserting tube H (5-8) and the supporting tube Q (5-1);
one end of the supporting tube U (5-6) is provided with a hollow positioning cylinder E (5-15), the inner wall of the positioning cylinder E (5-15) is provided with internal threads, the positioning cylinder E (5-15) is communicated with the inside of the supporting tube U (5-6), one end of the tail plate elbow (5-10) is inserted in the supporting tube U (5-6), and a bolt is screwed in the positioning cylinder E (5-15) to fix the tail plate elbow (5-10) and the supporting tube U (5-6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821475912.4U CN209827309U (en) | 2018-09-10 | 2018-09-10 | Nursing equipment with four-bar brake mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821475912.4U CN209827309U (en) | 2018-09-10 | 2018-09-10 | Nursing equipment with four-bar brake mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209827309U true CN209827309U (en) | 2019-12-24 |
Family
ID=68888908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821475912.4U Active CN209827309U (en) | 2018-09-10 | 2018-09-10 | Nursing equipment with four-bar brake mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209827309U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111888106A (en) * | 2020-08-21 | 2020-11-06 | 耿凡龙 | Stretcher is transported in first aid of intracardiac branch of academic or vocational study patient |
-
2018
- 2018-09-10 CN CN201821475912.4U patent/CN209827309U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111888106A (en) * | 2020-08-21 | 2020-11-06 | 耿凡龙 | Stretcher is transported in first aid of intracardiac branch of academic or vocational study patient |
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Effective date of registration: 20201106 Address after: No.2358, east side of Chang'an Road, Wujiang Economic and Technological Development Zone, Suzhou, Jiangsu Province, 215200 Patentee after: Suzhou Xili Technology Services Ltd. Address before: 710048 Shaanxi city of Xi'an Province Jinhua Road No. 5 Patentee before: XI'AN University OF TECHNOLOGY |