CN112547320A - Blood bag quick-release fastening device, fixing method and clamping tooth combination - Google Patents
Blood bag quick-release fastening device, fixing method and clamping tooth combination Download PDFInfo
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- CN112547320A CN112547320A CN202011455301.5A CN202011455301A CN112547320A CN 112547320 A CN112547320 A CN 112547320A CN 202011455301 A CN202011455301 A CN 202011455301A CN 112547320 A CN112547320 A CN 112547320A
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- limiting plate
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- bearing piece
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- 239000008280 blood Substances 0.000 title claims abstract description 91
- 210000004369 blood Anatomy 0.000 title claims abstract description 91
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims 2
- 229920000515 polycarbonate Polymers 0.000 claims 1
- 238000005119 centrifugation Methods 0.000 description 18
- 230000000694 effects Effects 0.000 description 12
- 238000011109 contamination Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B5/00—Other centrifuges
- B04B5/04—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers
- B04B5/0407—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers for liquids contained in receptacles
- B04B5/0428—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers for liquids contained in receptacles with flexible receptacles
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Abstract
The invention provides a quick-release fastening device for a blood bag, which comprises a clamping plate and a clamping tooth combination, wherein the clamping plate comprises a first limiting plate and a second limiting plate, the clamping tooth combination comprises an inserting piece fixedly arranged on the first limiting plate and a bearing piece movably arranged on the second limiting plate, the inserting piece is arranged in the bearing piece, the side surface of the inserting piece is divided into a first smooth area and a first thread area along the circumferential direction of the bottom surface, a penetrating groove with the size matched with that of the inserting piece is arranged in the bearing piece, and a second smooth area and a second thread area are arranged on the inner side wall of the penetrating groove; also discloses a fixing method using the blood bag quick-release fastening device; also discloses a latch combination; the blood bag fixing device is convenient to detach and fix, simple in overall structure, economical and durable, simple in operation of connection and fixation of the blood bag, and capable of greatly reducing the time for fixing the blood bag.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a blood bag quick-release fastening device, a fixing method and a latch combination.
Background
In the biomedical field, centrifugation is an important step of component blood treatment, blood is transferred into a centrifuge tube in the traditional centrifugation method, which not only has low efficiency but also increases the risk of microbial contamination, and with the continuous increase of blood for clinical components, blood separation becomes inevitable, the adoption of direct centrifugation of a blood bag filled with blood can improve the efficiency and simultaneously avoid the microbial contamination in the centrifugation operation process, a centrifuge with a special centrifugal blood bag is arranged on the market at present, but the blood bag is directly placed in a blood bag groove of the centrifuge, in the centrifugation process, the blood in the blood bag is pulled to one end by the centrifugal force, the layering effect is poor or the blood is remixed when the blood bag is taken, the layered cells or the blood is not obtained smoothly, and the blood bag is not fixed in a bucket of the centrifuge due to the soft material, the limitation of the blood bag by means of a clamping device is usually needed, the clamping device is then fixed to the centrifuge, but it takes a lot of time to install and disassemble, which is not good for efficient operation.
Disclosure of Invention
The invention aims to provide a blood bag quick-dismantling fastening device, a fixing method and a latch combination aiming at the defects in the prior art, the blood bag quick-dismantling fastening device is convenient to dismantle and fix, simple in integral structure, economical and durable, the device is simple in connection and fixing operation of the blood bag, the fixing method for fixing the blood bag by adopting the device is provided, the time for fixing the blood bag is greatly shortened, the blood can be prevented from being mixed again due to position change during centrifugation and after centrifugation, and the centrifugation effect is ensured.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a blood bag quick detach fastener which characterized in that: the clamping device comprises a clamping plate and a clamping tooth combination, wherein the clamping plate comprises a first limiting plate and a second limiting plate, the first limiting plate and the second limiting plate are arranged in parallel, the clamping tooth combination comprises an insert fixedly arranged on the first limiting plate and a bearing part movably arranged on the second limiting plate, the insert is arranged in the bearing part, the insert is of a cylinder structure, the side surface of the insert is divided into a first smooth area and a first thread area along the circumferential direction of the bottom surface, the areas of the first smooth area and the first thread area are equal, the first thread area is provided with a plurality of parallel first inclined threads along the length direction of the insert, a through groove with the size matched with the insert is arranged in the bearing part, the inner side wall of the through groove is provided with a second smooth area and a second thread area, and the second thread area is provided with a plurality of second inclined threads matched with the first inclined threads along the length direction of the bearing part; the blood bag is placed between the first limiting plate and the second limiting plate, the clearance between the first limiting plate and the second limiting plate is adjusted through the latch combination to be matched with the blood bag, the first limiting plate and the second limiting plate are fixed, when the device is used, the device is fixedly connected with a bucket of a centrifugal machine, the blood bag can be kept in a vertical state before and after centrifugation, the blood bag can be prevented from being mixed again after centrifugation, the blood bag rotates at a fixed position limited by the device, large-amplitude swing is avoided, the layering effect is good, the first limiting plate and the second limiting plate are connected together through the latch combination, as the surface of the inserting piece is divided into a first smooth area and a first threaded area, the inner surface of the bearing piece penetrating groove is divided into a second smooth area and a second threaded area, the first smooth area is aligned with the second threaded area before the inserting piece is inserted into the bearing piece, and the first threaded area is aligned with the second smooth area, the insert can be very light inserts the groove of wearing this moment, because bearing piece and second limiting plate swing joint, bearing piece can rotate, manual rotation bearing piece can make the second threaded area in the bearing piece rotatory to first threaded area department, because second threaded area can be with first threaded area interlock, can realize the fixed of first limiting plate and second limiting plate, change traditional threaded connection and pass through the mode of many circles of rotation fixings in succession, this device only need insert the inside of bearing piece with the insert again rotatory half circle or even quarter circle just can realize threaded connection between the two, can practice thrift a large amount of time, the time of the fixed blood bag of significantly reduced.
Optionally, a plurality of groups of latch combinations are arranged, a plurality of inserts are arranged around the left side surface of the first limiting plate in a surrounding manner, and the positions of the supporting pieces are matched with the positions of the inserts; the combination of multiunit latch is encircleed around the blood bag, guarantees the joint strength of first limiting plate and second limiting plate, can not scatter along with centrifugal force, can also play limiting displacement to the blood bag from all around, prevents that blood in the blood bag stimulates blood bag to one side under the effect of centrifugal force.
Optionally, the right end of the bearing piece is provided with a baffle ring, the baffle ring is arranged on the right end face of the bearing piece in a surrounding mode, the outer diameter of the baffle ring is larger than the diameter of the bearing piece, and the baffle ring is arranged to prevent the bearing piece from falling off from the second limiting plate.
Optionally, the length of the insert is no less than the total length of the retainer and the retainer ring.
Optionally, an external thread is arranged on the outer side curved surface of the supporting piece in a surrounding manner, a nut is arranged on the supporting piece, and the supporting piece is connected with the second limiting plate through the nut; the nut is in threaded connection with the supporting piece, the supporting piece can be fixed to the second limiting plate under the action of the nut and the baffle ring, the supporting piece cannot rotate, and the fixing effect on the blood bag during centrifugation is guaranteed.
Optionally, the first limiting plate is a metal plate, and the second limiting plate is a PC strength plate.
Optionally, a hook is arranged above the left side surface of the first limiting plate, and a hole for the hook to pass through is arranged in a position corresponding to the second limiting plate; the blood bag top is provided with the suspension rope, hangs the blood bag on first limiting plate earlier before fixed, can be convenient for connect the installation between first limiting plate and the second limiting plate, guarantees the vertical effect of blood bag simultaneously.
Optionally, the first threaded area and the second threaded area are respectively arranged to protrude towards the outer side of the insert and the inner side of the through groove, and the first smooth area and the second smooth area are respectively arranged to recess towards the inner side of the insert and the outer side of the through groove.
The fixing method of the blood bag quick-release fastening device is characterized in that:
firstly, hanging a blood bag on a hook on a first limiting plate, and keeping the first limiting plate and the blood bag vertically placed;
then aligning the second limiting plate with the first limiting plate, and adjusting the position to enable the insert to be aligned with the position of the through groove of the supporting piece;
rotating the bearing piece to enable the first smooth area of the through groove in the bearing piece to correspond to the first threaded area of the insert and the first threaded area to correspond to the second smooth area in position, translating and pushing the second limiting plate or the first limiting plate to enable the insert to be inserted into the through groove, and adjusting the inserting length of the insert according to the thickness of the blood bag;
and finally, manually rotating the bearing piece, rotating the bearing piece around the second limiting plate, contacting and meshing the first threaded area and the second threaded area under the condition that the bearing piece rotates and the insert is not moved, and finally fixing the bearing piece on the second limiting plate through a nut.
A latch combination, its characterized in that: the insert is of a cylindrical structure, a first smooth area and a first threaded area are arranged on the insert along the circumferential direction of the outer wall, a through groove for inserting the insert is formed in the support, a second smooth area and a second threaded area are arranged on the inner wall of the through groove, the first threaded area and the second threaded area both comprise a plurality of parallel oblique threads, and the first threaded area is matched with the second threaded area; the latch combination can be used for connecting two objects, when the insert and the bearing piece are connected, the first smooth area of the insert is aligned to the second threaded area of the bearing piece, because the first smooth area and the second smooth area are concave inwards relative to the first threaded area and the second threaded area, when the first smooth area is aligned to the second threaded area, the outer wall of the insert is not in contact with the inner wall of the through groove of the bearing piece, the insert can be inserted into the through groove at one time, and then the insert is rotated, so that the first threaded area of the outer wall of the insert is in contact with and meshed with the second threaded area, the fixed connection between the insert and the bearing piece is realized, the traditional mode of rotation and fixation when the threaded connection is adopted is changed, the time of thread rotation when the connection is carried out on the premise of ensuring the fixed strength, and the work efficiency is accelerated.
The invention provides a blood bag quick-dismantling fastening device, a fixing method and a latch combination, which are convenient to dismantle and fix, simple in integral structure, economical and durable, simple in connection and fixing operation of the device on a blood bag, and provides the fixing method for fixing the blood bag by adopting the device, so that the time for fixing the blood bag is greatly shortened, blood can be prevented from being mixed again due to position change during and after centrifugation, and the centrifugation effect is ensured.
Drawings
FIG. 1 is a schematic structural view of a quick release fastening device for a blood bag according to an embodiment of the present invention;
FIG. 2 is a top view of an embodiment of the present invention showing the attachment of an insert to a support;
fig. 3 is a schematic structural diagram of a second limiting plate according to the embodiment;
FIG. 4 is an internal state view of the insert of the present embodiment inserted into the retainer;
FIG. 5 is an internal view of the insert of the present embodiment engaged with the retainer.
Reference numerals:
1-an insert; 2-holes; 3-a first limiting plate; 4-a second limiting plate; 5-a support member; 6-a first smooth zone; 7-a first threaded zone; 8-baffle ring; 9-hanging hooks; 10-a nut; 11-external thread; 12-groove penetration; 13-a second threaded zone; 14-second smooth zone.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. The technical features of the present invention may be combined with each other without conflict.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.
As shown in fig. 1 to 5, a blood bag quick-release fastening device comprises a clamping plate and a latch combination, the clamping plate comprises a first limiting plate 3 and a second limiting plate 4, the first limiting plate 3 and the second limiting plate 4 are arranged in parallel, the latch combination comprises an insert 1 fixedly mounted on the first limiting plate 3 and a support 5 movably mounted on the second limiting plate 4, the insert 1 is mounted inside the support 5, the insert 1 is of a cylindrical structure, the side surface of the insert 1 is divided into a first smooth area 6 and a first threaded area 7 along the circumferential direction of the bottom surface, the areas of the first smooth area 6 and the first threaded area 7 are equal, the first threaded area 7 is provided with a plurality of parallel first oblique threads along the length direction of the insert 1, a through groove 12 with the size matched with that of the insert 1 is arranged inside the support 5, a second smooth area 14 and a second threaded area 13 are arranged on the inner side wall of the through groove 12, the second thread area 13 is provided with a plurality of second oblique threads matched with the first oblique threads along the length direction of the supporting piece 5; the blood bag is placed between the first limiting plate 3 and the second limiting plate 4, the clearance between the first limiting plate 3 and the second limiting plate 4 is adjusted to be matched with the blood bag through the latch combination, the first limiting plate 3 and the second limiting plate 4 are fixed, when the device is used, the device is fixedly connected with a bucket of a centrifuge, the blood bag can be ensured to be kept in a vertical state before and after centrifugation, remixing after centrifugation can be prevented, the blood bag rotates at a fixed position limited by the device, large-amplitude swing is avoided, the layering effect is good, the first limiting plate 3 and the second limiting plate 4 are connected together through the latch combination, as the surface of the insert 1 is divided into the first smooth area 6 and the first threaded area 7, the inner surface of the groove 12 of the bearing part 5 is divided into the second smooth area 14 and the second threaded area 13, the first smooth area 6 is aligned with the second threaded area 13 before the insert 1 is inserted into the bearing part 5, first threaded area 7 aligns with second smooth area 14, this moment insert 1 can be very light insert wear groove 12 in, because holding piece 5 and second limiting plate 4 swing joint, holding piece 5 can rotate, manual rotation holding piece 5 can make the second threaded area 13 in holding piece 5 rotatory to first threaded area 7 department, because second threaded area 13 can interlock with first threaded area 7, can realize the fixed of first limiting plate 3 and second limiting plate 4, change traditional threaded connection and pass through the mode of many circles of rotation fixings in succession, this device only need insert the inside of holding piece 5 earlier and then rotate half a circle or even quarter circle and just can realize threaded connection between the two, can practice thrift the plenty of time, the time of fixed blood bag has significantly reduced.
The latch combination is provided with a plurality of groups, a plurality of inserts 1 are arranged around the left side surface of the first limit plate 3 in a surrounding manner, and the positions of the supporting pieces 5 are matched with the positions of the inserts 1; the combination of multiunit latch is encircleed around the blood bag, guarantees the joint strength of first limiting plate 3 and second limiting plate 4, can not scatter along with centrifugal force, can also play limiting displacement to the blood bag from all around, and the blood in the prevention bloodbag stimulates blood bag to one side under the effect of centrifugal force.
The right end of the bearing piece 5 is provided with a baffle ring 8, the baffle ring 8 is arranged on the right end face of the bearing piece 5 in a surrounding mode, the outer diameter of the baffle ring 8 is larger than the diameter of the bearing piece 5, and the baffle ring 8 is arranged to prevent the bearing piece 5 from falling off from the second limiting plate 4.
The length of the insert 1 is not less than the total length of the support 5 and the stop ring 8.
An external thread 11 is arranged on the outer side curved surface of the supporting piece 5 in a surrounding mode, a nut 10 is arranged on the supporting piece 5, and the supporting piece 5 is connected with the second limiting plate 4 through the nut 10; the nut 10 is in threaded connection with the bearing piece 5, the bearing piece 5 and the second limiting plate 4 can be fixed under the action of the nut 10 and the baffle ring 8, the bearing piece 5 cannot rotate, and the fixing effect on a blood bag during centrifugation is guaranteed.
The first limiting plate 3 is a metal plate, and the second limiting plate 4 is a PC endurance plate.
A hook 9 is arranged above the left side surface of the first limit plate 3, and a hole for the hook 9 to pass through is arranged at the corresponding position of the second limit plate 4; the blood bag top is provided with the suspension rope, hangs the blood bag on first limiting plate 3 before fixed, can be convenient for the connection installation between first limiting plate 3 and the second limiting plate 4, guarantees the vertical effect of blood bag simultaneously.
The first threaded area 7 and the second threaded area 13 are respectively arranged to protrude towards the outer side of the insert 1 and the inner side of the through groove 12, and the first smooth area 6 and the second smooth area are respectively arranged to be sunken towards the inner side of the insert 1 and the outer side of the through groove 12.
By adopting the fixing method of the blood bag quick-release fastening device,
firstly, hanging a blood bag on a hook 9 on a first limiting plate 3, and keeping the first limiting plate 3 and the blood bag vertically placed;
then aligning the second limit plate 4 with the first limit plate 3, and adjusting the position to align the insert 1 with the position of the through groove 12 of the supporting piece 5;
then, the supporting piece 5 is rotated, the first smooth area 6 of the through groove 12 in the supporting piece 5 corresponds to the first threaded area 7 of the inserting piece 1, and the first threaded area 7 corresponds to the second smooth area 14, then the second limiting plate 4 or the first limiting plate 3 is pushed in a translational mode, the inserting piece 1 is inserted into the through groove 12, and the inserting length of the inserting piece 1 is adjusted according to the thickness of the blood bag;
finally, the supporting piece 5 is manually rotated, the supporting piece 5 rotates around the second limiting plate 4, under the condition that the supporting piece 5 rotates and the inserting piece 1 does not move, the first threaded area 7 is contacted with and meshed with the second threaded area 13, and finally the supporting piece 5 is fixed on the second limiting plate 4 through the nut 10.
A latch combination comprises an insert 1 and a support 5 matched with the insert 1 for use, wherein the insert 1 is of a cylindrical structure, the insert 1 is provided with a first smooth area 6 and a first thread area 7 along the circumferential direction of the outer wall, a through groove 12 for inserting the insert 1 is formed in the support 5, the inner wall of the through groove 12 is provided with a second smooth area 14 and a second thread area 13, the first thread area 7 and the second thread area 13 both comprise a plurality of oblique threads arranged in parallel, and the first thread area 7 is matched with the second thread area 13; the latch combination can be used for connecting two objects, when the insert 1 and the support 5 are connected, the first smooth area 6 of the insert 1 is aligned with the second thread area 13 of the support 5, since the first smooth zone 6 and the second smooth zone 14 are recessed to the inside with respect to the first threaded zone 7 and the second threaded zone 13, therefore, when the first smooth area 6 is aligned with the second threaded area 13, the outer wall of the insert 1 is not in contact with the inner wall of the through groove 12 of the support piece 5, the insert 1 can be inserted into the through groove 12 at one time, and then the insert 1 is rotated, so that the first threaded area 7 of the outer wall of the insert 1 is in contact with and meshed with the second threaded area 13, the fixed connection between the insert 1 and the support piece 5 is realized, the traditional mode of rotation and fixation when threaded connection is adopted is changed, the time of thread rotation during connection can be saved on the premise of ensuring the fixed strength, and the work efficiency is favorably accelerated.
The invention provides a blood bag quick-dismantling fastening device, a fixing method and a latch combination, which are convenient to dismantle and fix, simple in integral structure, economical and durable, simple in connection and fixing operation of the device on a blood bag, and provides the fixing method for fixing the blood bag by adopting the device, so that the time for fixing the blood bag is greatly shortened, blood can be prevented from being mixed again due to position change during and after centrifugation, and the centrifugation effect is ensured.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (10)
1. The utility model provides a blood bag quick detach fastener which characterized in that: including splint and latch combination, splint include first limiting plate and second limiting plate, first limiting plate with second limiting plate parallel arrangement, the latch combination includes fixed mounting and is in insert and movable mounting on the first limiting plate are in supporting on the second limiting plate, the insert is installed supporting's inside, the insert is the cylinder structure, the side of insert divide into first smooth district and first screw thread district along bottom surface circumferencial direction, first smooth district with the area in first screw thread district equals, first screw thread district follows the length direction of insert is provided with the first oblique screw thread of many parallels, supporting's inside be provided with the size with insert assorted wears the groove, be provided with second smooth district and second screw thread district on the inside wall of wearing the groove, second screw thread district follows supporting's length direction be provided with many with first oblique screw thread assorted second And (4) oblique threads.
2. The blood bag quick release fastening device of claim 1, wherein: the latch combination is provided with the multiunit, and a plurality of the inserts encircle to be set up around the first spacing board left surface, the position of holding member with the position phase-match of insert.
3. The blood bag quick release fastening device of claim 1, wherein: the right end of the bearing piece is provided with a baffle ring, the baffle ring is arranged on the right end face of the bearing piece in a surrounding mode, and the outer diameter of the baffle ring is larger than the diameter of the bearing piece.
4. The blood bag quick release fastening device of claim 3, wherein: the length of the insert is not less than the total length of the support and the retainer ring.
5. The blood bag quick release fastening device of claim 1, wherein: and an external thread is arranged on the outer side curved surface of the bearing piece in an encircling manner, a nut is arranged on the bearing piece, and the bearing piece is connected with the second limiting plate through the nut.
6. The blood bag quick release fastening device of claim 1, wherein: the first limiting plate is a metal plate, and the second limiting plate is a PC (polycarbonate) endurance plate.
7. The blood bag quick release fastening device of claim 1, wherein: a hook is arranged above the left side face of the first limiting plate, and a hole used for the hook to penetrate is formed in the corresponding position of the second limiting plate.
8. The blood bag quick release fastening device of claim 1, wherein: the first threaded area and the second threaded area are arranged in a protruding mode towards the outer side of the inserting piece and the inner side of the through groove respectively, and the first smooth area and the second light ring area are arranged in a recessed mode towards the inner side of the inserting piece and the outer side of the through groove respectively.
9. The fixing method of the blood bag quick-release fastening device of claim 1 is characterized by comprising the following steps:
firstly, hanging a blood bag on a hook on a first limiting plate, and keeping the first limiting plate and the blood bag vertically placed;
then aligning the second limiting plate with the first limiting plate, and adjusting the position to enable the insert to be aligned with the position of the through groove of the supporting piece;
rotating the bearing piece to enable the first smooth area of the through groove in the bearing piece to correspond to the first threaded area of the insert and the first threaded area to correspond to the second smooth area in position, translating and pushing the second limiting plate or the first limiting plate to enable the insert to be inserted into the through groove, and adjusting the inserting length of the insert according to the thickness of the blood bag;
and finally, manually rotating the bearing piece, rotating the bearing piece around the second limiting plate, contacting and meshing the first threaded area and the second threaded area under the condition that the bearing piece rotates and the insert is not moved, and finally fixing the bearing piece on the second limiting plate through a nut.
10. A latch combination, its characterized in that: the insert is of a cylinder structure, a first smooth area and a first threaded area are arranged on the insert along the circumferential direction of the outer wall, a penetrating groove used for inserting the insert is formed in the support, a second smooth area and a second threaded area are arranged on the inner wall of the penetrating groove, the first threaded area and the second threaded area respectively comprise a plurality of parallel oblique threads, and the first threaded area is matched with the second threaded area.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011455301.5A CN112547320A (en) | 2020-12-10 | 2020-12-10 | Blood bag quick-release fastening device, fixing method and clamping tooth combination |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011455301.5A CN112547320A (en) | 2020-12-10 | 2020-12-10 | Blood bag quick-release fastening device, fixing method and clamping tooth combination |
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| CN112547320A true CN112547320A (en) | 2021-03-26 |
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| CN202011455301.5A Pending CN112547320A (en) | 2020-12-10 | 2020-12-10 | Blood bag quick-release fastening device, fixing method and clamping tooth combination |
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| CN209448030U (en) * | 2019-04-19 | 2019-09-27 | 中国航空工业集团公司沈阳飞机设计研究所 | The Quick Connect Kit of cable and electrode in a kind of air temperature fatigue test |
| CN210879381U (en) * | 2019-11-21 | 2020-06-30 | 江西智佳汽车科技有限公司 | Quick tightening mechanism of turnover mechanism |
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| CN209448030U (en) * | 2019-04-19 | 2019-09-27 | 中国航空工业集团公司沈阳飞机设计研究所 | The Quick Connect Kit of cable and electrode in a kind of air temperature fatigue test |
| CN210879381U (en) * | 2019-11-21 | 2020-06-30 | 江西智佳汽车科技有限公司 | Quick tightening mechanism of turnover mechanism |
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