CN2548708Y - Connector between centrifugal cup and motor of blood recovering device - Google Patents
Connector between centrifugal cup and motor of blood recovering device Download PDFInfo
- Publication number
- CN2548708Y CN2548708Y CN 02253173 CN02253173U CN2548708Y CN 2548708 Y CN2548708 Y CN 2548708Y CN 02253173 CN02253173 CN 02253173 CN 02253173 U CN02253173 U CN 02253173U CN 2548708 Y CN2548708 Y CN 2548708Y
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- CN
- China
- Prior art keywords
- pallet
- claw
- cup
- motor
- centrifuge cup
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- Expired - Lifetime
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Abstract
Disclosed is a connecting device between the centrifuge and the motor of the blood recovery machine, comprising a pallet, a clamping claw locating mechanism, a motor shaft centering clamping mechanism and a protective cover. The ring type sleeve of the pallet upper opening is corresponding to the bottom of the centrifugal cup. A cylinder which extends downward is arranged at the middle part of the pallet. The upper end of the cylinder big grade hole is corresponding to the downward convex navel at the centrifugal cup bottom. A concentric downward convex ring body and a turbulence groove are arranged at the peripheral pallet bottom of the cylinder. A plurality of vertical grooves which shows the type of shallow upper part and deep lower part are arranged at the outer circle of the pallet. The utility model is provided with at least three groups of clamping claw locating mechanism. Every group of locating mechanism respectively comprises a clamping claw, a locating pin, a pivoted pin and a spring. A hole which is arranged at the middle part of the clamping claw is sleeved with the head of the locating pin of the pallet to be pivoted through the pivoted pin. The spring is inner installed in the blind holes in the wall of the clamping claw thick part and the pallet deep part. The top of the clamping claw is provided with an inward arc convex. The utility model has the advantages of high locating precision, firm clamping installation, good stability, simple and convenient loading and unloading, elimination of rotary whistler wind, safe use and long service life.
Description
Technical field
The utility model relates to medical devices, specifically the coupling arrangement of a kind of Centrifuge Cup of blood recovery system and motor.
Background technology
Medical department carries out blood and reclaims, and generally adopts centrifugal absorption method, and its blood retracting device comprises Centrifuge Cup is placed on the pallet that this pallet connects motor shaft, and the motor-driven Centrifuge Cup rotates at a high speed, make blood and moisture from.The pallet body of prior art has the following disadvantages:
(1) centrifugal cup and center of rotation can not remain on same axle center, and the cup axis has beat when rotating at a high speed, influences the service life of blood organic efficiency and centrifugal retracting device.
(2) loading and unloading of Centrifuge Cup pallet are inconvenient;
(3) prior art is used spring fore-set location, easily cup is produced impulsive force and destroys cup when high speed rotating.
Whistle wind is arranged when (4) rotating at a high speed.
Therefore, prior art has improvement, perfect necessity, and new blood recovery system kind is provided.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, and a kind of Centrifuge Cup of improved blood recovery system and the coupling arrangement of motor are provided.The positioning accuracy height of Centrifuge Cup and pallet clamps firmly, and good stability loads and unloads simple and easy, convenience, and the whistle wind when eliminating rotation is safe in utilization, long service life.
The purpose of this utility model is achieved in that
A kind of Centrifuge Cup of blood recovery system and the coupling arrangement of motor comprise a pallet, and the cup end of Centrifuge Cup is installed in this pallet top, and the below connects motor reel;
This device is made up of pallet, claw detent mechanism, motor shaft centering and clamping mechanism, protective cover;
The open annular cover is arranged at pallet top, circle is corresponding with the external diameter at the cup end of Centrifuge Cup in it, there is the outside gradient at a α angle the interior round upper edge of this annular cover, this pallet middle part has the cylinder that stretches out downwards, this cylinder has up big and down small shoulder hole, this big order-opening upper end is corresponding with the following protruding center navel at center at the bottom of the Centrifuge Cup cup and can admit it to insert the location, is provided with concentric following dome ring body in the tray bottom of this cylinder periphery, and the turbulent groove of annulus is arranged between circle and the cylinder cylindrical in this torus; The cylindrical of the disjunctor of the tray body of this time dome ring periphery and upper, annular cover is provided with the vertical groove of some installation claw detent mechanisms that are equally spaced, and this tongue is presented shallow dark shape down;
The claw detent mechanism has at least three groups, and its quantity is identical with the groove of pallet cylindrical, and every group of detent mechanism respectively is made up of claw, alignment pin, hinge pin, spring; Claw is batten shape, the thin superficial part with the pallet groove in its top is corresponding, its porose head that is contained in the alignment pin on the tray body that is inserted in middle part, and it is hinged with the hinge pin that is horizontally through this alignment pin, this alignment pin is located by holding screw, the bottom of this claw is thicker corresponding with the deep pallet groove, on the wall in thick of this claw and pallet deep concentric blind hole is arranged respectively, in this blind hole spring is housed, at the top of claw inside arc convex is arranged, this protruding height and position suitably can be pushed down the upper edge at the cup end of Centrifuge Cup with inside and downward pressure card.
Described each assembly of motor shaft positioning and clamping mechanism is with in the big order-opening that is contained in the pallet cylinder movingly, this assembly comprises a sleeve, there is the shoulder hole that uses for the screw that connects motor shaft at its center, in its annular groove outside sealing ring is housed, cylindrical is housed in the hole, rank under this sleeve to be last outer ring body and the cylindrical that the cylindricality endoporus is back taper and to be the following outer ring body that the cylindricality endoporus is positive taper, gapped between this upper and lower outer ring body, the bottom surface of this time outer ring body is bearing on the terrace of shoulder hole of cylinder; The corresponding cylindrical of tapering is housed in the conical surface endoporus of these upper and lower two outer ring bodies respectively presents the upper and lower inner ring body of positive taper, following back taper, the endoporus of this two tapers inner ring body is a circular hole, and this circular hole is corresponding with the motor shaft end external diameter.
The cylindrical of described pallet is set with protective cover, and the bottom of this protective cover has the ring limit to contact with tray bottom, with some screws protective cover and pallet is connected to integral body.
The value of the outside oblique angle α of circle upper edge is 1 °-4 ° in the described pallet annular cover.
Be shaped on asperity on the cambered surface of the inside arc convex at described claw top.
The end face middle part that the annular cover of described pallet is surrounded is recessed downwards, and its basal plane that contacts with pallet is a leptoprosopy, and the height H of cylindrical mating surface is 2-10mm at the bottom of the interior circle of the annular cover of described pallet and the Centrifuge Cup.
The group number of described claw detent mechanism is 6 groups, and the quantity of the groove of the installation claw on the pallet cylindrical correspondingly also is 6.
The utility model has following actively useful effect:
1. this device is with Centrifuge Cup center navel location, and cylindrical 2mm highly contacts cooperation circumference assist location at the bottom of the Centrifuge Cup simultaneously, avoids the distortion of Centrifuge Cup cylindrical to influence positioning accuracy greatly, thereby the positioning accuracy height.
This device with six claws downwards and the fixedly Centrifuge Cup of making a concerted effort entad, strengthened downward component, clamp firmly, stable, the structure that the arc convex of this claw is provided with asperity can increase the frictional force of claw and Centrifuge Cup, realization is rotation synchronously.
3. this device is combined closely with narrower basal plane and Centrifuge Cup bottom surface and has been strengthened the stability of Centrifuge Cup.
4. this device is provided with turbulent groove, has strengthened the stability of pallet, has alleviated the load of bearing.
5. light, simple and easy, the insurance, accurate of this device loading and unloading Centrifuge Cup.
6. this device is provided with protective cover, has eliminated the whistle wind of rotation at a high speed.
Description of drawings
Fig. 1 is the structural representation of the utility model one embodiment, is the complete section front view;
Fig. 2 is the partial enlarged drawing of K portion among Fig. 1;
Fig. 3 is the structural representation of an embodiment of the claw of claw detent mechanism among Fig. 1.
The specific embodiment
Accompanying drawing number:
1. pallet
101. annular cover 102. cylinders, 103. shoulder holes (big order-opening)
104. torus 105. turbulent groove 106. tray bodies
107. groove 108. basal planes
2. claw detent mechanism
201. claw 202. alignment pins 203. hinge pins
204. spring 205. holding screws 206. arc convex
207. dowel hole 208. spring-loaded blind hole 209. asperity
3. motor shaft positioning and clamping mechanism
301. sleeve 302. (cartridge screw) shoulder hole 303. sealing rings
304. 305. times outer ring bodies of last outer ring body, 306. upper inner ring bodies
307. lower inner ring body
4. protective cover 401. screws
5. Centrifuge Cup
501. the cup end 502. (the cup end) center navel
Please refer to Fig. 1, the utility model is a kind of Centrifuge Cup of blood recovery system and the coupling arrangement of motor, comprises a pallet, and the cup end 501 of Centrifuge Cup 5 is installed in this pallet top, and the below connects motor reel;
This device is made up of pallet 1, claw detent mechanism 2, motor shaft centering and clamping mechanism 3, protective cover 4;
Open annular cover 101 is arranged at pallet 1 top, circle is corresponding with the external diameter at the cup end 501 of Centrifuge Cup 5 in it, there is the outside gradient at a α angle the interior round upper edge of this annular cover 101, this pallet middle part has the cylinder 102 that stretches out downwards, this cylinder has up big and down small shoulder hole 103, the following protruding center navel 502 at this big order-opening upper end and center at the bottom of the Centrifuge Cup cup is corresponding and can admit it to insert the location, be provided with concentric following dome ring body 104 in the tray bottom of these cylinder 102 peripheries, the turbulent groove 105 of annulus is arranged between circle and cylinder 102 cylindricals in this torus 104; The cylindrical of the disjunctor of the tray body 106 of this time dome ring 104 peripheries and upper, annular cover 101 is provided with the vertical groove 107 of some installation claw detent mechanisms 2 that are equally spaced, and this tongue is presented shallow dark shape down;
Claw detent mechanism 2 has at least three groups (also can be 4,6 groups), and its quantity is identical with the groove 107 of pallet 1 cylindrical, and every group of detent mechanism respectively is made up of claw 201, alignment pin 202, hinge pin 203, spring 204; Claw 201 is batten shape, the thin superficial part with pallet groove 107 in its top is corresponding, the head of the alignment pin 202 that is contained on the tray body 106 is inserted at its middle part porose 207, and it is hinged with the hinge pin 203 that is horizontally through this alignment pin, this alignment pin 202 is by holding screw 205 location, the bottom of this claw 201 is thicker corresponding with deep pallet groove 107, on the wall in thick of this claw and pallet deep concentric blind hole 208 is arranged respectively, spring 204 is housed in this blind hole, at the top of claw 201 inside arc convex 206 is arranged, this protruding height and position suitably can be pushed down the upper edge at the cup end 501 of Centrifuge Cup with inside and downward pressure card.
Described motor shaft positioning and clamping mechanism 3 each assembly are with in the big order-opening 103 that is contained in pallet cylinder 102 movingly, this assembly comprises a sleeve 301, there is the shoulder hole 302 that uses for the screw that connects motor shaft at its center, sealing ring 303 is housed in its annular groove outside, cylindrical is housed in the hole, rank 103 under this sleeve is the last outer ring body 304 that the cylindricality endoporus is back taper, and cylindrical is the following outer ring body 305 that the cylindricality endoporus is positive taper, gapped between this upper and lower outer ring body, the bottom surface of this time outer ring body 305 is bearing on the terrace of shoulder hole of cylinder 102; The corresponding cylindrical of tapering is housed in the conical surface endoporus of these upper and lower two outer ring bodies respectively presents the upper and lower inner ring body 306,307 of positive taper, following back taper, the endoporus of this two tapers inner ring body is a circular hole, and this circular hole is corresponding with the motor shaft end external diameter.
Cylindrical at described pallet 1 is set with protective cover 4, and the bottom of this protective cover has ring limit 401 to contact with tray bottom, with some screws 402 protective cover 4 and pallet 1 is connected to integral body.
The value of the outside oblique angle α of described pallet annular cover 101 interior circle upper edges is 1 °-4 ° and sees Fig. 2.
On the cambered surface of the inside arc convex 207 at described claw 201 tops, be shaped on asperity 209 and see Fig. 3.
The end face middle part that the annular cover 101 of described pallet 1 is surrounded is recessed downwards, and the contact basal plane 108 of its pallet is a leptoprosopy, and the height H of 501 cylindrical mating surfaces is that 2-10mm sees Fig. 3 at the bottom of the interior circle of the annular cover 101 of described pallet 1 and the Centrifuge Cup.
The group number of described claw detent mechanism 2 is 6, and the quantity of the groove 107 of the installation claw on pallet 1 cylindrical correspondingly also is 6.
The design feature of this pallet:
1. protective cover makes six claws of pallet be enclosed in inside, eliminates the whistle wind that six pawl spaces rotate at a high speed.
2. have concentric turbulent groove.
3. tophan box center navel 502 is located;
4. light, simple and easy when pallet loads and unloads Centrifuge Cup, insurance, accurate.With the Centrifuge Cup cylindrical 2mm mating surface is arranged in the pallet, step down for 2 °.
Claims (7)
1. the coupling arrangement of the Centrifuge Cup of a blood recovery system and motor comprises a pallet, and the cup end (501) of Centrifuge Cup (5) is installed in this pallet top, and the below connects motor reel, it is characterized in that:
This device is made up of pallet (1), claw detent mechanism (2), motor shaft centering and clamping mechanism (3), protective cover (4);
Open annular cover (101) is arranged at pallet (1) top, circle is corresponding with the external diameter of the cup end (501) of Centrifuge Cup (5) in it, there is the outside gradient at a α angle the interior round upper edge of this annular cover (101), this pallet middle part has the cylinder (102) that stretches out downwards, this cylinder has up big and down small shoulder hole (103), this big order-opening upper end is corresponding with the following protruding center navel (502) at center at the bottom of the Centrifuge Cup cup and can admit it to insert the location, the tray bottom peripheral at this cylinder (102) is provided with concentric following dome ring body (104), and the turbulent groove (105) of annulus is arranged between circle and cylinder (102) cylindrical in this torus (104); The cylindrical of the tray body (106) that this time dome ring (104) is peripheral and the disjunctor of upper, annular cover (101) is provided with the vertical groove (107) of some installation claw detent mechanisms (2) that are equally spaced, and this tongue is presented shallow dark shape down;
Claw detent mechanism (2) has at least three groups, and its quantity is identical with the groove (107) of pallet (1) cylindrical, and every group of detent mechanism respectively is made up of claw (201), alignment pin (202), hinge pin (203), spring (204); Claw (201) is batten shape, the thin superficial part with pallet groove (107) in its top is corresponding, the head of the alignment pin (202) that is contained on the tray body (106) is inserted at its middle part porose (207), and it is hinged with the hinge pin that is horizontally through this alignment pin (203), this alignment pin (202) is located by holding screw (205), the bottom of this claw (201) is thicker corresponding with deep pallet groove (107), concentric blind hole (208) is respectively arranged on the wall in thick of this claw and pallet deep, spring (204) is housed in this blind hole, at the top of claw (201) inside arc convex (206) is arranged, this protruding height and position suitably can be pushed down the upper edge of the cup end (501) of Centrifuge Cup with inside and downward pressure card.
2. the coupling arrangement of the Centrifuge Cup of blood recovery system as claimed in claim 1 and motor, it is characterized in that: each assembly of described motor shaft positioning and clamping mechanism (3) is with in the big order-opening (103) that is contained in pallet cylinder (102) movingly, this assembly comprises a sleeve (301), there is the shoulder hole (302) that uses for the screw that connects motor shaft at its center, sealing ring (303) is housed in its annular groove outside, cylindrical is housed in the hole, rank (103) under this sleeve to be last outer ring body (304) and the cylindrical that the cylindricality endoporus is back taper and to be the following outer ring body (305) that the cylindricality endoporus is positive taper, on being somebody's turn to do, gapped between the following outer ring body, the bottom surface of this time outer ring body (305) is bearing on the terrace of shoulder hole of cylinder (102); The corresponding cylindrical of tapering is housed in the conical surface endoporus of these upper and lower two outer ring bodies respectively presents upper and lower inner ring body (306), (307) of positive taper, following back taper, the endoporus of this two tapers inner ring body is a circular hole, and this circular hole is corresponding with the motor shaft end external diameter.
3. the coupling arrangement of the Centrifuge Cup of blood recovery system as claimed in claim 1 and motor, it is characterized in that: the cylindrical at described pallet (1) is set with protective cover (4), the bottom of this protective cover has ring limit (401) to contact with tray bottom, with some screws (402) protective cover (4) and pallet (1) is connected to integral body.
4. the coupling arrangement of the Centrifuge Cup of blood recovery system as claimed in claim 1 and motor is characterized in that: value of the outside oblique angle α of circle upper edge is 1 °-4 ° in the described pallet annular cover (101).
5. the coupling arrangement of the Centrifuge Cup of blood recovery system as claimed in claim 1 and motor is characterized in that: be shaped on asperity (209) on the cambered surface of the inside arc convex (207) at described claw (201) top.
6. the coupling arrangement of the Centrifuge Cup of blood recovery system as claimed in claim 1 and motor, it is characterized in that: the end face middle part that the annular cover (101) of described pallet (1) is surrounded is recessed downwards, its basal plane (108) that contacts with pallet is a leptoprosopy, and the height H of (501) cylindrical mating surface is 2-10mm at the bottom of the interior circle of the annular cover (101) of described pallet (1) and the Centrifuge Cup.
7. the coupling arrangement of the Centrifuge Cup of blood recovery system as claimed in claim 1 and motor, it is characterized in that: the group number of described claw detent mechanism (2) is 6 groups, the quantity of the groove (107) of the installation claw on pallet correspondingly (1) cylindrical also is 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02253173 CN2548708Y (en) | 2002-08-28 | 2002-08-28 | Connector between centrifugal cup and motor of blood recovering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02253173 CN2548708Y (en) | 2002-08-28 | 2002-08-28 | Connector between centrifugal cup and motor of blood recovering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2548708Y true CN2548708Y (en) | 2003-05-07 |
Family
ID=33722412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02253173 Expired - Lifetime CN2548708Y (en) | 2002-08-28 | 2002-08-28 | Connector between centrifugal cup and motor of blood recovering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2548708Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393186A (en) * | 2011-08-30 | 2012-03-28 | 哈尔滨工业大学 | Method for measuring clearance between rolling pump groove and rolling shaft in real time |
| CN108745664A (en) * | 2018-05-17 | 2018-11-06 | 烟台工程职业技术学院 | A kind of centrifugal machine automation fixture |
-
2002
- 2002-08-28 CN CN 02253173 patent/CN2548708Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393186A (en) * | 2011-08-30 | 2012-03-28 | 哈尔滨工业大学 | Method for measuring clearance between rolling pump groove and rolling shaft in real time |
| CN102393186B (en) * | 2011-08-30 | 2013-09-18 | 哈尔滨工业大学 | Method for measuring clearance between rolling pump groove and rolling shaft in real time |
| CN108745664A (en) * | 2018-05-17 | 2018-11-06 | 烟台工程职业技术学院 | A kind of centrifugal machine automation fixture |
| CN108745664B (en) * | 2018-05-17 | 2020-09-04 | 南京航塔旅游用品股份有限公司 | Automatic clamp for centrifugal machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120828 Granted publication date: 20030507 |