CN117084679A

CN117084679A - Blood collection system that hemodialysis branch of academic or vocational study nursing was used

Info

Publication number: CN117084679A
Application number: CN202311175627.6A
Authority: CN
Inventors: 陈娴; 韩雪; 韩莉; 乔成平; 陶小香
Original assignee: Nanjing Maternity and Child Healthcare Hospital
Current assignee: Nanjing Maternity and Child Healthcare Hospital
Priority date: 2023-09-13
Filing date: 2023-09-13
Publication date: 2023-11-21

Abstract

The application discloses a blood collection device for nursing in hemodialysis department, which particularly relates to the field of blood collection, and comprises a collection mechanism, wherein the outer wall of the collection mechanism is provided with a protection mechanism, the protection mechanism comprises a first protection sleeve sleeved at the top of the collection tube, the top of the first protection sleeve is provided with a second protection sleeve sleeved at the outer wall of a hose port, a plurality of support brackets are fixedly connected between the second protection sleeve and the first protection sleeve, a rubber cushion is fixedly connected between every two support brackets, a second sealing gasket is fixedly installed on the inner wall of the second protection sleeve, a guide tube is spliced in the second sealing gasket, and the outer wall of the guide tube is fixedly provided with the first sealing gasket. According to the application, the third lantern ring capable of being adjusted in a rotating way is arranged, so that the bending plate gradually extrudes the rubber cushion to deform, and further the hose opening is deformed and pinched together from multidirectional stress, so that the effect of rapidly sealing the hose opening is realized.

Description

Blood collection system that hemodialysis branch of academic or vocational study nursing was used

Technical Field

The application relates to the technical field of blood collection, in particular to a blood collection device for nursing in hemodialysis department.

Background

Hemodialysis is one of the renal replacement therapy modes for patients with acute and chronic renal failure. The method comprises the steps of draining in-vivo blood to the outside of the body, passing through a dialyzer consisting of innumerable hollow fibers, wherein the blood and electrolyte solution (dialysate) with similar concentration of the body are in and out of the hollow fibers, and carrying out substance exchange by the dispersion, ultrafiltration, adsorption and convection principles to remove metabolic wastes in the body and maintain the balance of the electrolyte and acid and alkali; at the same time, the whole process of removing excessive water from the body and reinfusion of the purified blood is called hemodialysis.

At present, when a collection needle tube is inserted into the skin of a collection person carelessly after the blood collection is finished, the blood of the person is easily sucked into a collection tube to be mixed with the blood of a patient or the blood in the collection tube flows backwards to be in contact with the skin of the collection person, so that the problem of blood detection results is easily caused, and in the case that an infectious disease exists in the patient, the collection person is also easily at risk of infection and the actual use is inconvenient.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, an embodiment of the present application provides a blood collection device for nursing in hemodialysis department, through a third collar that can be rotatably adjusted, a bending plate gradually extrudes a rubber cushion to deform, and further, a hose orifice is deformed and pinched together from multi-directional stress, so as to solve the problems set forth in the above-mentioned background art.

In order to achieve the above purpose, the present application provides the following technical solutions: the blood collection device for nursing in hemodialysis department comprises a collection mechanism, wherein the collection mechanism comprises a collection tube, the top of the collection tube is communicated with a hose orifice, a guide tube is inserted into the hose orifice, and one end of the guide tube is communicated with a needle;

the outer wall of the collecting mechanism is provided with a protecting mechanism, the protecting mechanism comprises a first protecting sleeve sleeved on the top of the collecting pipe, the top of the first protecting sleeve is provided with a second protecting sleeve sleeved on the outer wall of the hose port, a plurality of supporting brackets are fixedly connected between the second protecting sleeve and the first protecting sleeve, a rubber cushion is fixedly connected between every two supporting brackets, a second sealing gasket is fixedly installed on the inner wall of the second protecting sleeve, the flow guide pipe is spliced in the second sealing gasket, and the outer wall of the flow guide pipe is fixedly provided with the first sealing gasket;

the top of the first protective sleeve is provided with a locking mechanism, and the bottom of the collecting pipe is provided with a shaking mechanism for driving the collecting pipe to shake.

In a preferred embodiment, the locking mechanism comprises a first sleeve plate fixedly installed on one side of the first protective sleeve, a second sleeve plate is rotatably installed on the top of the first protective sleeve, a first connecting frame is fixedly connected to the top of the second sleeve plate, a third lantern ring is fixedly connected to the top of the first connecting frame, and a plurality of sliding grooves are formed in the outer wall of the third lantern ring in an annular and sequentially equidistant mode.

In a preferred embodiment, the inner parts of the sliding grooves are rotatably provided with rectangular sliding sleeves, the inner cavities of the rectangular sliding sleeves are respectively inserted with a supporting plate, the bottoms of the supporting plates are rotatably connected with first supporting rods, and the first supporting rods are fixedly arranged at the tops of the first sleeve plates.

In a preferred embodiment, a balancing frame is hinged to one side, away from the first supporting rod, of the supporting plate, an arc-shaped pressing plate is fixedly installed on one side of the balancing frame, and a bending plate is fixedly installed on one side of the arc-shaped pressing plate.

In a preferred embodiment, the top of first lag is fixedly installed with fixing base, the inside of fixing base rotates and installs the threaded rod, the outer wall meshing of threaded rod has the thread bush, the top rotation of thread bush is connected with the second linking frame, second linking frame fixed connection is at the outer wall of second cover board.

In a preferred embodiment, the outer wall of the first protecting sleeve is fixedly provided with two connection plugboards, the shaking mechanism comprises a base arranged at the bottom of the collecting pipe, the top of the base is fixedly provided with two first brackets, one sides of the two first brackets are fixedly connected with second brackets, the outer walls of the two second brackets are rotatably provided with rotating sleeves, one side of each rotating sleeve is fixedly connected with a binding block, the inside of each rectangular sliding sleeve is respectively inserted with a positioning rod, each positioning rod is fixedly arranged in each binding block, the bottoms of the two positioning rods are respectively fixedly provided with a bottom bracket, and the collecting pipe is inserted into an inner cavity of each bottom bracket;

the quantity of changeing cover and constraint piece all sets up to four, four changeing the outer wall of cover and all fixedly mounted with adapter ring, the adapter ring cover is established at the outer wall of gathering the pipe.

In a preferred embodiment, the top of the base is fixedly provided with a motor, the end part of an output shaft of the motor is fixedly connected with a first rotating shaft, the outer wall of the first rotating shaft is fixedly provided with a guide plate which is arranged in an inclined state, the top of the guide plate is fixedly provided with a second supporting rod which is perpendicular to the guide plate, and the second supporting rod is fixedly arranged at the bottom of the bottom bracket.

The application has the technical effects and advantages that:

1. according to the application, the third lantern ring capable of being adjusted in a rotating way is arranged, and when the third lantern ring is rotated, the plurality of supporting plates in the third lantern ring are synchronously limited by the deflected rectangular sliding sleeve to deflect, so that the plurality of supporting plates are synchronously far away from or close to the rubber cushion, then the bending plate can gradually extrude the rubber cushion to deform under the condition that the plurality of supporting plates are close to the rubber cushion, and then the hose orifice is deformed and pinched together from multidirectional stress, so that the hose orifice is rapidly sealed, the problem of cross infection of blood when a needle head is mistakenly pricked into a worker is avoided, and the problem of influence on a detection result caused by outflow of blood in an inner cavity of a collecting tube or long-time contact with air after the guide tube and the needle head are found out is avoided;

2. according to the application, the first protective sleeve, the positioning rod and the collet which can be assembled and disassembled in a portable manner are arranged on the outer wall of the collecting tube, and the rotatable guide plate and the second support rod which are in an inclined state are arranged at the bottom of the collet, so that the collecting tube can be kept in an inclined state to receive inflow of blood when blood is collected and used in practice, further, staff is not required to assist in holding the collecting tube, hands of medical staff are liberated, the medical staff can use the collecting tube more conveniently, and after blood collection is completed, when the balancing frame is started to enable the first rotating shaft to rotate, the inclined guide plate drives the second support rod and the collet to shake, and the positioning rod can limit the first protective sleeve and the collet to synchronously drive the collecting tube to shake integrally, so that the problem that blood is always static and coagulated is avoided.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present application.

Fig. 2 is a partial structural cross-sectional view of the present application.

Fig. 3 is an enlarged view of the structure of the portion a of fig. 2 according to the present application.

Fig. 4 is a schematic top view of the present application.

Fig. 5 is an enlarged view of the B part structure of fig. 4 according to the present application.

Fig. 6 is a schematic view of the axial structure of the present application.

Fig. 7 is an enlarged view of the C-section structure of fig. 6 according to the present application.

The reference numerals are: 1 acquisition mechanism, 101 acquisition tube, 102 hose mouth, 103 honeycomb duct, 104 needle, 105 first sealing cushion, 2 protection mechanism, 21 first protection sleeve, 22 second protection sleeve, 23 support bracket, 24 rubber cushion, 25 second sealing cushion, 26 linking plugboard, 3 locking mechanism, 31 first sleeve plate, 32 second sleeve plate, 33 first linking frame, 34 third sleeve ring, 35 chute, 36 rectangular sliding sleeve, 37 support plate, 38 first support rod, 39 balance frame, 310 arc pressing plate, 311 bending plate, 312 fixing seat, 313 threaded rod, 314 thread sleeve, 315 second linking frame, 4 shaking mechanism, 41 base, 42 first support, 43 second support, 44 rotation sleeve, 45 binding block, 46 positioning rod, 47 bottom bracket, 48 linking ring, 49 motor, 410 first rotating shaft, 411 guide plate, 412 second support rod.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

Referring to fig. 1-7 of the specification, as shown in fig. 1, the blood collection device for nursing in hemodialysis department of an embodiment of the application comprises a collection mechanism 1, and as shown in fig. 2, the collection mechanism 1 comprises a collection tube 101, a hose port 102 is communicated with the top of the collection tube 101, a guide tube 103 is inserted into the hose port 102, a needle 104 is communicated with one end of the guide tube 103, and the purpose of the arrangement is that the guide tube 103 and the hose port 102 can be disassembled and assembled conveniently, so that the guide tube 103 and the needle 104 can be disassembled, stored and placed when not needed, and no accidental injury is caused;

as shown in fig. 3-4, the outer wall of the collecting mechanism 1 is provided with a protecting mechanism 2, the protecting mechanism 2 comprises a first protecting sleeve 21 sleeved on the top of the collecting tube 101, the top of the first protecting sleeve 21 is provided with a second protecting sleeve 22 sleeved on the outer wall of the hose port 102, a plurality of supporting brackets 23 are fixedly connected between the second protecting sleeve 22 and the first protecting sleeve 21, a rubber cushion 24 is fixedly connected between every two supporting brackets 23, a second sealing pad 25 is fixedly arranged on the inner wall of the second protecting sleeve 22, the guiding tube 103 is inserted into the second sealing pad 25, the outer wall of the guiding tube 103 is fixedly provided with a first sealing pad 105, when in use, the first protecting sleeve 21 is sleeved on the top of the collecting tube 101, the second protecting sleeve 22, the supporting brackets 23 and the rubber cushion 24 are sleeved on the outer wall of the hose port 102, wherein the supporting brackets 23 are combined with the first protecting sleeve 21 and the second protecting sleeve 22, so that the hose port 102 can be limited and supported in the interior, and the rubber cushion 24 is arranged, when the rubber cushion 24 is extruded, the hose port 102 can be intuitively extruded, and can be deformed, and can be prevented from being extruded and deformed, and further, the hose port 102 is prevented from being deformed, and further, the hose port is deformed, and the hose port is contacted with the hose port 102;

in order to facilitate timely sealing treatment of the hose port 102, referring to fig. 4, the top of the first protecting sleeve 21 is provided with a locking mechanism 3, and meanwhile, in order to avoid the problem that blood is always static and coagulated after blood is collected, the bottom of the collecting tube 101 is provided with a shaking mechanism 4 for driving the collecting tube to shake.

In specific implementation, the first protective sleeve 21 is sleeved on the top of the collecting tube 101, the second protective sleeve 22, the supporting bracket 23 and the rubber cushion 24 are sleeved on the outer wall of the second protective sleeve 22, the guide tube 103 is inserted into the hose opening 102 and is inserted into the second protective sleeve 22, the connection between the hose opening 102 and the guide tube 103 is kept sealed by combining the arrangement of the second sealing gasket 25 and the guide tube 103, the collecting mechanism 1 is integrally arranged on the shaking mechanism 4, blood collection can be carried out, after the collection is finished, the locking mechanism 3 is timely adjusted to enable the rubber cushion 24 to be extruded and deformed, the hose opening 102 is tightly pinched, and then the hose opening 102 can be timely sealed, so that the problem of blood mixing and cross infection can not exist when workers are pricked later.

As a further extension of this scheme, referring to fig. 5, the locking mechanism 3 includes a first sleeve plate 31 fixedly installed on one side of the first protecting sleeve 21, a second sleeve plate 32 is rotatably installed on the top of the first protecting sleeve 21, a first connecting frame 33 is fixedly connected to the top of the second sleeve plate 32, a third collar 34 is fixedly connected to the top of the first connecting frame 33, a plurality of sliding grooves 35 are formed on the outer wall of the third collar 34 in a ring-shaped sequentially equidistant state, wherein the second sleeve plate 32 and the third collar 34 are identical in size, the outer circumference diameter length of the second sleeve plate 32 and the third collar 34 is smaller than the inner circumference diameter length of the first sleeve plate 31, and the second sleeve plate 32 is arranged inside the first sleeve plate 31.

The inner parts of the sliding grooves 35 are rotatably provided with rectangular sliding sleeves 36, the inner cavities of the rectangular sliding sleeves 36 are respectively inserted with a supporting plate 37, when the sliding grooves are pushed by external force, the supporting plates 37 linearly translate along the vertical central line direction of the rectangular sliding sleeves 36 in the inner cavities of the rectangular sliding sleeves 36, the bottoms of the supporting plates 37 are rotatably connected with first supporting rods 38, the first supporting rods 38 are fixedly arranged at the tops of the first sleeve plates 31, when the second sleeve plates 32 are rotated in actual use, the rotating sleeves 44 can be driven to synchronously rotate through the first connecting frames 33, and further, under the condition that the positions of the rectangular sliding sleeves 36 are offset due to the rotation of the first supporting rods 38 and the rectangular sliding sleeves 36, the supporting plates 37 are stressed to deflect, the rectangular sliding sleeves 36 slide at the deflection angles of the outer walls of the rectangular sliding sleeves 36, and one sides of the supporting plates 37 far away from the first supporting rods 38 can gradually approach the outer walls of the rubber cushion 24 until the rubber cushion 24 is extruded.

Further, the support plate 37 is hinged with a balance frame 39 at one side far away from the first support rod 38, an arc-shaped pressing plate 310 is fixedly arranged at one side of the balance frame 39, a bending plate 311 is fixedly arranged at one side of the arc-shaped pressing plate 310, wherein the bending plate 311 and the support plate 37 are arranged in a one-to-one correspondence state, the purpose of the arrangement is that when the support plates 37 are gradually close to the outer wall of the rubber cushion 24, the bending plate 311 is preferentially contacted with the outer wall of the rubber cushion 24 and is stably pushed by the arc-shaped pressing plate 310, the bending plate 311 gradually extrudes the rubber cushion 24 to deform, the plurality of rubber cushions 24 can deform by combining the plurality of bending plates 311 arranged around the outer wall of the rubber cushion 24, and the hose port 102 is deformed and pinched together from multi-azimuth stress, so that the effect of sealing the hose port 102 is realized rapidly, and after the collection is completed, on the one hand, the problem of cross infection of blood is avoided when the needle 104 is pricked into a worker by mistake, on the other hand, the problem that the detection result is influenced by the fact that blood in the inner cavity of the collection tube 101 flows out or is contacted with air for a long time after the guide tube 103 and the needle 104 are pulled out is avoided, wherein in order to conveniently control the rotation of the second sleeve plate 32, a fixed seat 312 is fixedly arranged at the top of the first protective sleeve 21, a threaded rod 313 is rotatably arranged in the fixed seat 312, a threaded sleeve 314 is meshed with the outer wall of the threaded rod 313, a second connecting frame 315 is rotatably connected at the top of the threaded sleeve 314, the second connecting frame 315 is fixedly connected with the outer wall of the second sleeve plate 32, the aim is to ensure that when the threaded rod 313 is rotated, the threaded sleeve 314 linearly translates at the outer wall of the threaded sleeve plate so as to drive the second connecting frame 315 to displace, and then the second connecting frame 315 drives the second sleeve plate 32 to integrally deflect, the support plate 37 is adjusted and fixed more quickly and conveniently, and the actual use is more convenient.

As a further extension of this scheme, refer to fig. 4, the outer wall fixed mounting of first lag 21 has two linking picture peg 26, rocking mechanism 4 is including setting up the base 41 in collection tube 101 bottom, the top fixed mounting of base 41 has two first supports 42, one side of two first supports 42 all fixedly connected with second support 43, the outer wall of two second supports 43 all rotates and installs change cover 44, one side fixedly connected with constraint piece 45 of change cover 44, peg graft in the inside of two rectangle sliding sleeve 36 has locating lever 46, locating lever 46 fixed mounting is in the inside of constraint piece 45, and the bottom of two locating lever 46 all fixed mounting has collet 47, collection tube 101 peg graft in the inner chamber of collet 47, wherein, change cover 44 and constraint piece 45's quantity all set up to four, four change cover 44's outer wall all fixed mounting link ring 48, the outer wall of linking ring 48 cover is established at collection tube 101, two constraint piece 45 and second support 43 interconnect together, two in addition two constraint pieces 45 are connected with locating lever 46 fixedly, be used for with take place to shake the inside of constraint piece 45, and make the inside of locating lever 46 take place simultaneously with the setting up the collet 47 and make the setting up and take place simultaneously and take place at the same time of the collet 46 and take place at the same time of the position as the collet 46, and take place at the same time of the effect of setting up the collet 46, and take place at the bottom of the one and jack 46, and the leading to take place at the same time of the effect of the one and jack 21 and the leading to take shape, and take turns the protector 21 and take turns, and take turns the effect and jack 46 and take turns the effect and take turns the one and position and 46 and take turns.

Further, referring to fig. 7, a motor 49 is fixedly installed at the top of the base 41, a first rotating shaft 410 is fixedly connected to an end portion of an output shaft of the motor 49, a guide plate 411 is fixedly installed on an outer wall of the first rotating shaft 410, a second supporting rod 412 is fixedly installed at the top of the guide plate 411 and perpendicular to the guide plate 411, the second supporting rod 412 is fixedly installed at the bottom of the bottom support 47, the purpose of the arrangement is that the bottom support 47 is kept in an inclined state in a normal state, the collection tube 101 is kept in an inclined state when the collection tube 101 is placed in the inside of the bottom support, the collection tube 101 is kept in an inclined state to receive inflow of blood when blood collection is actually performed, further, workers are not required to assist in holding the collection tube 101, meanwhile, after blood collection is completed, the balancing frame 39 is started, when the first rotating shaft 410 rotates, the inclined guide plate 411 synchronously rotates, and then the second supporting rod 412 and the bottom support 47 are driven to shake, and the positioning rod 46 can synchronously drive the collection tube 101 to shake integrally and the collection tube 101, so that coagulation is always kept still.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the application is not intended to limit the application to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the application are intended to be included within the scope of the application.

Claims

1. The blood collection device for nursing in hemodialysis department comprises a collection mechanism (1), wherein the collection mechanism (1) comprises a collection tube (101), a hose port (102) is communicated with the top of the collection tube (101), a guide tube (103) is inserted into the hose port (102), and a needle head (104) is communicated with one end of the guide tube (103);

the method is characterized in that: the outer wall of the collecting mechanism (1) is provided with a protecting mechanism (2), the protecting mechanism (2) comprises a first protecting sleeve (21) sleeved on the top of the collecting pipe (101), the top of the first protecting sleeve (21) is provided with a second protecting sleeve (22) sleeved on the outer wall of the hose port (102), a plurality of supporting brackets (23) are fixedly connected between the second protecting sleeve (22) and the first protecting sleeve (21), a rubber cushion (24) is fixedly connected between every two supporting brackets (23), a second sealing gasket (25) is fixedly installed on the inner wall of the second protecting sleeve (22), a flow guiding pipe (103) is inserted into the second sealing gasket (25), and a first sealing gasket (105) is fixedly installed on the outer wall of the flow guiding pipe (103);

the top of first lag (21) is equipped with locking mechanism (3), the bottom of collection pipe (101) is equipped with and is used for driving its rocking mechanism (4) that rocks the processing.

2. The blood collection device for hemodialysis care of claim 1, wherein: the locking mechanism (3) comprises a first sleeve plate (31) fixedly installed on one side of a first protective sleeve (21), a second sleeve plate (32) is rotatably installed at the top of the first protective sleeve (21), a first connecting frame (33) is fixedly connected to the top of the second sleeve plate (32), a third lantern ring (34) is fixedly connected to the top of the first connecting frame (33), and a plurality of sliding grooves (35) are formed in the outer wall of the third lantern ring (34) in an annular sequentially equidistant state.

3. A blood collection device for hemodialysis care according to claim 2, wherein: a plurality of sliding grooves (35) are internally provided with rectangular sliding sleeves (36) in a rotating mode, the inner cavities of the rectangular sliding sleeves (36) are respectively inserted with supporting plates (37), the bottoms of the supporting plates (37) are connected with first supporting rods (38) in a rotating mode, and the first supporting rods (38) are fixedly arranged at the tops of the first sleeve plates (31).

4. A blood collection device for hemodialysis care according to claim 3, wherein: one side of the supporting plate (37) far away from the first supporting rod (38) is hinged with a balancing frame (39), one side of the balancing frame (39) is fixedly provided with an arc-shaped pressing plate (310), and one side of the arc-shaped pressing plate (310) is fixedly provided with a bending plate (311).

5. The blood collection device for hemodialysis care of claim 4, wherein: the top fixed mounting of first lag (21) has fixing base (312), threaded rod (313) are installed in the inside rotation of fixing base (312), the outer wall meshing of threaded rod (313) has thread bush (314), the top rotation of thread bush (314) is connected with second linking frame (315), second linking frame (315) fixed connection is at the outer wall of second cover board (32).

6. The hemodialysis nursing blood collection device of claim 5, wherein: the utility model discloses a collection device, including a collection tube (101), a first lag (21), a second lag (43), a constraint block (45), a locating rod (46) and a locating rod (46), wherein the outer wall of the first lag (21) is fixedly provided with two linking spiles (26), the shaking mechanism (4) comprises a base (41) arranged at the bottom of the collection tube (101), the top of the base (41) is fixedly provided with two first brackets (42), one side of each first bracket (42) is fixedly connected with a second bracket (43), the outer wall of each second bracket (43) is rotatably provided with a rotating sleeve (44), one side of each rotating sleeve (44) is fixedly connected with a constraint block (45), the inside of each rectangular sliding sleeve (36) is respectively inserted with a locating rod (46), the locating rod (46) is fixedly arranged in the inside of each constraint block (45), the bottom of each locating rod (46) is fixedly provided with a bottom bracket (47), and the collection tube (101) is inserted in the inner cavity of the bottom bracket (47);

the number of the rotating sleeves (44) and the number of the binding blocks (45) are four, the outer walls of the four rotating sleeves (44) are fixedly provided with the connecting rings (48), and the connecting rings (48) are sleeved on the outer wall of the collecting tube (101).

7. The hemodialysis care blood collection device of claim 6, wherein: the motor (49) is fixedly arranged at the top of the base (41), a first rotating shaft (410) is fixedly connected to the end part of an output shaft of the motor (49), a guide plate (411) which is arranged in an inclined state is fixedly arranged on the outer wall of the first rotating shaft (410), a second supporting rod (412) which is perpendicular to the guide plate is fixedly arranged at the top of the guide plate (411), and the second supporting rod (412) is fixedly arranged at the bottom of the base (47).