CN206345443U - Variable capacity suction means - Google Patents
Variable capacity suction means Download PDFInfo
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- CN206345443U CN206345443U CN201621457327.2U CN201621457327U CN206345443U CN 206345443 U CN206345443 U CN 206345443U CN 201621457327 U CN201621457327 U CN 201621457327U CN 206345443 U CN206345443 U CN 206345443U
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- suction
- suction nozzle
- suction pipe
- shell
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Abstract
The utility model provides a kind of variable capacity suction means, it includes suction pipe, the suction nozzle connected with one end of suction pipe, the linear electric motors being connected with the other end of suction pipe, the stator of linear electric motors is inserted into suction pipe, stator under the driving of linear electric motors along suction pipe axial movement, suction pipe is also connected with vacuum tube joint.The variable capacity suction means, there is provided a kind of new cryopreservation tube suction means, by adjusting the length that stator is stretched into suction pipe, the quantity for the cryopreservation tube that suction pipe is once drawn is limited, the quantity for drawing each cryopreservation tube can be set, and be suitable for a variety of absorption demands.
Description
Technical field
The utility model is related to a kind of variable capacity suction means.
Background technology
At present, automation mechanized operation has been realized in biological specimen cryopreservation tube access, and vacsorb take Guan Shijing frequently with
Mode.It is required for taking several cryopreservation tubes due to every batch, and quantity is indefinite, it is less efficient if single draw；To once inhale
The cryopreservation tube of fixed qty can only be drawn every time by taking the suction pipe of multiple, then to commonly use regular lengths, it is impossible to adapted to every batch and taken pipe number
The indefinite demand of amount.
Meanwhile, in order to ensure activity, biological specimen is often stored in profound hypothermia environment；And when taking pipe, sample can be exposed to
Room temperature environment, the acute variation of temperature can cause damage to biological specimen.
Utility model content
For solve existing cryopreservation tube suction means can only draw every time fixed qty cryopreservation tube technical problem there is provided
A kind of variable capacity suction means.
The utility model provides a kind of variable capacity suction means, the suction that it includes suction pipe, connected with one end of suction pipe
Head, the linear electric motors being connected with the other end of suction pipe, the stator of linear electric motors are inserted into suction pipe, drive of the stator in linear electric motors
Along the axial movement of suction pipe under dynamic, suction pipe is also connected with vacuum tube joint.The suction means, passes through length of the stator in suction pipe
Degree regulation, adjusts the absorption quantity of cryopreservation tube, adapts to a variety of access requirements.
Preferably, linear electric motors are fixed in motor fixing seat, and suction pipe is fixed on suction pipe connecting seat, motor fixing seat with
Suction pipe connecting seat is mutually fixed, and stator is inserted into suction pipe through suction pipe connecting seat.
Further preferably, upper sliding sleeve is provided between suction pipe connecting seat and stator.Stator can be slided in upper sliding sleeve, upper cunning
Set plays a part of being oriented to for stator, and limitation stator is radially rocked, meanwhile, upper sliding sleeve cooperatively forms good sealing with stator.
Further preferably, vacuum tube joint is fixed on suction pipe connecting seat.
Preferably, low sleeve is provided between suction pipe and stator.Low sleeve also functions to the effect being oriented to for stator.
Preferably, linear electric motors also include controller and mover, and mover is relatively fixed with suction pipe, control of the mover in controller
The lower driving stator movement of system.Stator has multiple stop positions, stop position by programme-control, program storage in the controller, and by controlling
Device processed is performed, and the length that stator is stretched into suction pipe determines the upper limit for once taking pipe quantity.
Preferably, the outside of suction pipe is cased with heat-insulation layer.Heat-insulation layer can slow down the temperature changing speed in suction pipe, reduce to life
The damage that thing sample is caused.
Preferably, suction nozzle is additionally provided with suction pipe position limiting structure, and suction pipe position limiting structure can limit the cryopreservation tube in suction pipe
In suction pipe.After suction means completes sucking action, the cryopreservation tube in suction pipe is limited in suction pipe by suction pipe position limiting structure,
Cryopreservation tube is always positioned in suction pipe during cryopreservation tube is transferred, and is not fallen out.
Preferably, suction nozzle includes suction nozzle, the suction nozzle connecting seat that suction nozzle is connected with suction pipe and the shell being enclosed on outside suction nozzle,
Suction nozzle is connected with suction pipe, and shell can be moved up and down along the axial direction of suction nozzle.Shell is prominent in the state of not by external force, by suction nozzle
It is absorbed in shell, suction nozzle is played a protective role；When suction nozzle is pressed in the suction port of cryopreservation tube storage container, shell is pressed
On the end face of suction port, suction nozzle stretches out to be in contact with suction port, and the inner passage of suction nozzle is connected with suction port, you can start
Draw work.
Further preferably, it is cased with back-moving spring on suction nozzle, the two ends of back-moving spring withstand on suction nozzle connecting seat, on shell,
Suction nozzle is provided with outwardly suction nozzle spacing preiection, and shell is provided with inwardly projecting shell spacing preiection, shell spacing preiection position
In the top of suction nozzle spacing preiection.Further preferably, suction nozzle spacing preiection be provided with along suction nozzle it is axially extending at least
Space between suction nozzle and shell is connected by one suction nozzle passage, suction nozzle passage with exterior space.Suction nozzle passage, has
Help rapidly lay down vacuum when suction nozzle is separated with suction port.
Further preferably, the side face of suction nozzle is provided with fore-set mounting hole, fore-set mounting hole and is provided with fore-set, fore-set energy
Stretch in the inner passage of suction nozzle, outside the inner passage that fore-set retreats to suction nozzle when shell is moved up.When suction means is complete
Into after sucking action, the cryopreservation tube in suction pipe is limited in suction pipe by fore-set, transfer cryopreservation tube during cryopreservation tube all the time
In suction pipe, do not fall out.Further preferably, provided with confined planes in spring in fore-set mounting hole, fore-set is provided with bullet
Confined planes are cased with compression relative to confined planes outside spring closer to the inner passage of suction nozzle on fore-set in the outer confined planes of spring, spring
Spring, the two ends of compression spring are withstood on the outer confined planes of confined planes in spring, spring respectively；The inner peripheral surface of shell is provided with taper
Spigot surface, the diameter of tapered guide surface is incremented by from top to bottom, and one end that fore-set is extend out to outside suction nozzle is against in tapered guide surface
And moved up and down along tapered guide surface.Yet further preferably, tapered guide surface be provided with along shell it is axially extending at least
Space between suction nozzle and shell is connected by one housing breather, housing breather with exterior space.Housing breather, has
Help rapidly lay down vacuum when suction nozzle is separated with suction port.
Further preferably, the surface that suction nozzle connecting seat is contacted with shell is provided with upper sealing ring.Upper sealing ring, it is ensured that draw
During cryopreservation tube, sealing is kept between suction nozzle connecting seat and shell.
Further preferably, the lower surface of shell is provided with lower seal.Lower seal, it is ensured that when drawing cryopreservation tube, shell
Sealing is kept between suction port.
On the basis of common sense in the field is met, above-mentioned each optimum condition can be combined, produce the utility model it is each compared with
Good example.
Positive effect of the present utility model is：
The variable capacity suction means stretches into suction there is provided a kind of new cryopreservation tube suction means by adjusting stator
Length in pipe, limits the quantity for the cryopreservation tube that suction pipe is once drawn, and the quantity that each cryopreservation tube is drawn can be set, is suitable for
A variety of absorption demands.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model variable capacity suction means.
Fig. 2 is the partial enlarged drawing of the variable capacity suction means shown in Fig. 1.
Fig. 3 is the structural representation of the low sleeve of the variable capacity suction means shown in Fig. 1.
Fig. 4 is the suction nozzle and the partial sectional view of suction pipe of the variable capacity suction means shown in Fig. 1.
Fig. 5 is the partial enlarged drawing of the variable capacity suction means shown in Fig. 4.
Fig. 6 is the structural representation of the suction nozzle of the suction nozzle of the variable capacity suction means shown in Fig. 4.
Fig. 7 is the structural representation of the shell of the suction nozzle of the variable capacity suction means shown in Fig. 4.
Schematic diagram when Fig. 8 is the absorption cryopreservation tube of the variable capacity suction means shown in Fig. 1.
Fig. 9 is the schematic diagram drawn after cryopreservation tube of the variable capacity suction means shown in Fig. 8.
Description of reference numerals
1 suction pipe
2 suction nozzles
21 suction nozzles
211 suction nozzle spacing preiections
212 suction nozzle passages
213 fore-set mounting holes
Confined planes in 214 springs
215 chamferings
22 suction nozzle connecting seats
221 spring upper limit planes
222 upper trapezoid grooves
23 shells
231 shell spacing preiections
232 tapered guide surfaces
233 housing breathers
234 annular receiving grooves
235 lower trapezoid grooves
24 back-moving springs
25 fore-sets
The outer confined planes of 251 springs
Sealing ring on 26
27 lower seals
28 compression springs
3 linear electric motors
31 stators
32 controllers
33 movers
4 vacuum tube joints
5 motor fixing seats
6 suction pipe connecting seats
7 upper sliding sleeves
8 low sleeves
81 sliding sleeve passages
82 pilot holes
9 heat-insulation layers
10 cryopreservation tubes
20 cryopreservation tube storage containers
201 suction ports
Embodiment
The utility model is further illustrated below by the mode of embodiment, but is not therefore limited in the utility model
Among described scope of embodiments.
As shown in Figures 1 to 9, the utility model provides a kind of variable capacity suction means, and it includes suction pipe 1 and suction pipe 1
One end connection suction nozzle 2, the linear electric motors 3 that are connected with the other end of suction pipe 1, the stator 31 of linear electric motors 3 is inserted into suction pipe 1
In, stator 31 under the driving of linear electric motors 3 along suction pipe 1 axial movement, suction pipe 1 is also connected with vacuum tube joint 4.
The suction means, suction nozzle 2 is connected with the suction port 201 of cryopreservation tube storage container 20, vacuum tube joint 4 with it is true
After empty exhaust tube is connected, make to produce negative pressure in suction pipe 1 by pumping, make cryopreservation tube 10 by suction suction pipe 1 one by one.Cryopreservation tube
10 absorption quantity, length adjustment that can be by stator 31 in suction pipe 1.As shown in figure 8, the cryopreservation tube 10 that ought be sucked at first is supported
At the end of stator 31, cryopreservation tube 10 stops suction.The suction means, can adjust the absorption quantity of cryopreservation tube 10, adapts to
A variety of access requirements.
As shown in Fig. 2 linear electric motors 3 are fixed in motor fixing seat 5, suction pipe 1 is fixed on suction pipe connecting seat 6, motor
Fixed seat 5 is mutually fixed with suction pipe connecting seat 6, and stator 31 is inserted into suction pipe 1 through suction pipe connecting seat 6.Wherein, motor fixing seat
5 are enclosed on the outside of suction pipe connecting seat 6 and are threadedly coupled with suction pipe connecting seat 6, in the upper end insertion suction pipe connecting seat 6 of suction pipe 1 simultaneously
It is threadedly coupled with suction pipe connecting seat 6.
Upper sliding sleeve 7 is additionally provided between suction pipe connecting seat 6 and stator 31.Stator 31 can be slided in upper sliding sleeve 7, upper sliding sleeve 7
Play a part of being oriented to for stator 31, the limitation radial direction of stator 31 is rocked, meanwhile, upper sliding sleeve 7 cooperatively forms good with stator 31
Sealing.The elastic conjunction of upper sliding sleeve 7 is in suction pipe connecting seat 6.
Vacuum tube joint 4 is fixed on suction pipe connecting seat 6.Connect in the insertion suction pipe of vacuum tube joint 4 connecting seat 6 and with suction pipe
Joint chair 6 is threadedly coupled.
Low sleeve 8 is provided between suction pipe 1 and stator 31.Low sleeve 8 is arranged on the upper end of suction pipe 1, and low sleeve 8 is also functioned to
The effect being oriented to for stator 31.When vacuum tube joint 4 is located at the top of low sleeve 8, low sleeve 8 is communicated with low sleeve 8
The sliding sleeve passage 81 in the space at two ends, makes vacuum tube joint 4 be connected by sliding sleeve passage 81 with suction pipe 1.Such as Fig. 3 institutes
Show, low sleeve 8 is spline sleeve, and the centre of low sleeve 8 is provided with the pilot hole 82 coordinated with stator 31, along the circumference of pilot hole 82
Multiple sliding sleeve passages 81 are distributed with.The radial direction that the structure can both limit stator 31 is rocked, and ensures that the unimpeded of gas circuit.
As shown in figure 1, linear electric motors 3 also include controller 32 and mover 33, mover 33 is fixed on motor fixing seat 5, made
Mover 33 is relatively fixed with suction pipe 1, and mover 33 drives stator 31 to move under control of controller 32.Stator 31 has multiple stoppings
Position, stop position is by programme-control, and program storage in controller 32, and is performed by controller 32, and stator 31 is stretched into suction pipe 1
Length determines the upper limit for once taking pipe quantity.Stator 31 is preferably smooth metallic rod, makes stator 31 and upper sliding sleeve 7, downslide
Set 8 can be sealed and coordinated well.
As shown in figure 1, the outside of suction pipe 1 is cased with heat-insulation layer 9.The insulation material that heat-insulation layer 9 is used is polyurethane foam material
One kind in material, vacuum insulation plate material, XPS extruded sheets material or polypropylene foam.Heat-insulation layer 9 can slow down in suction pipe 1
Temperature changing speed, reduce the damage that is caused to biological specimen.
As shown in Figures 4 to 7, suction nozzle 2 includes suction nozzle 21, the suction nozzle connecting seat 22 that suction nozzle 21 is connected with suction pipe 1 and set
Shell 23 outside suction nozzle 21, suction nozzle 21 is connected with suction pipe 1, and shell 23 can be moved up and down along the axial direction of suction nozzle 21.Shell
23 is prominent in the state of not by external force, and suction nozzle 21 is absorbed in shell 23, suction nozzle 21 is played a protective role.When by suction nozzle 2
When being pressed in the suction port 201 of cryopreservation tube storage container 20, shell 23 is crushed on the end face of suction port 201, and suction nozzle 21 stretches out
It is in contact with suction port 201, the inner passage of suction nozzle 21 is connected with suction port 201, you can start to draw work.
Relative movement between above-mentioned shell 23 and suction nozzle 21, can be accomplished in several ways, such as electric control, Mechanical course
Deng.One of which embodiment is as shown in figure 4, be cased with back-moving spring 24 on suction nozzle 21, the two ends of back-moving spring 24 are withstood on
On suction nozzle connecting seat 22, shell 23, suction nozzle 21 is provided with outwardly suction nozzle spacing preiection 211, and shell 23 is provided with inwardly projecting
Shell spacing preiection 231, shell spacing preiection 231 be located at suction nozzle spacing preiection 211 top.When shell 23 is not by external force
When, back-moving spring 24 has downward active force to shell 23, and shell spacing preiection 231 is against on suction nozzle spacing preiection 211, shell
23 are relatively fixed with the position of suction nozzle 21, and suction nozzle 21 is absorbed in shell 23.When the suction that suction nozzle 2 is pressed in cryopreservation tube storage container 20
When taking on mouth 201, shell 23 is crushed on the end face of suction port 201, suction port 201 play the role of to shell 23 one it is upward
Power, is compressed back-moving spring 24, and shell 23 is moved up relative to suction nozzle 21, and suction nozzle 21 stretches out to be in contact with suction port 201,
The inner passage of suction nozzle 21 is connected with suction port 201, you can start to draw work.Draw after the completion of work, suction nozzle 2 is lifted
Afterwards, shell 23 returns back to original position again in the presence of back-moving spring 24.
As shown in figure 4, the one side of suction nozzle connecting seat 22 towards shell 23 is provided with the spring upper limit plane radially extended
221, the inner peripheral surface of shell 23 is provided with circumferentially arranged annular receiving groove 234, and annular receiving groove 234 extends to the upper of shell 23
End face, back-moving spring 24 is located in annular receiving groove 234, and the two ends of back-moving spring 24 are against the He of spring upper limit plane 221 respectively
On the lower surface of annular receiving groove 234.Annular receiving groove 234 plays a part of accommodating and protecting back-moving spring 24, prevents from resetting
The deformed damaged by other external force of spring 24.
As shown in fig. 6, suction nozzle spacing preiection 211 is provided with least one axially extending suction nozzle passage along suction nozzle 21
212, the space between suction nozzle 21 and shell 23 is connected by suction nozzle passage 212 with exterior space.Suction nozzle passage 212, has
Help rapidly lay down vacuum when suction nozzle 2 is separated with suction port 201.
As shown in figure 4, suction nozzle 21 is provided with chamfering 215 towards the end face of suction port 201, chamfering 215 can aid in cryopreservation tube 10
Into in suction nozzle 21, play a part of being oriented to for cryopreservation tube 10.
Suction nozzle 2 is additionally provided with suction pipe position limiting structure, and after suction means completes sucking action, suction pipe position limiting structure will be inhaled
Cryopreservation tube 10 in pipe 1 is limited in suction pipe 1, and cryopreservation tube 10 is always positioned in suction pipe 1 during cryopreservation tube 10 is transferred, no
It can drop.A kind of embodiment of suction pipe position limiting structure is as shown in Fig. 4 to Fig. 5, and the side face positioned at suction nozzle 21 is provided with
Fore-set 25 is installed, fore-set 25 can be stretched in the inner passage of suction nozzle 21 in fore-set mounting hole 213, fore-set mounting hole 213, pushed up
Post 25 is retreated to when shell 23 is moved up outside the inner passage of suction nozzle 21.In off working state, shell 23 does not stress, fore-set
25 are stretched in the inner passage of suction nozzle 21, in suction status, and shell 23 is moved up, and fore-set 25 retreats to the inside of suction nozzle 21
Outside passage, cryopreservation tube 10 is set successfully to suck in suction pipe 1.After absorption terminates, fore-set 25 stretches to suction nozzle 21 again
Inner passage in, the cryopreservation tube 10 positioned at the top of fore-set 25 is limited in suction pipe 1, and positioned at the cryopreservation tube of the lower section of fore-set 25
10 fall back in cryopreservation tube storage container 20 naturally.
To realize that above-mentioned fore-set 25 is followed in the function of the relative movement of shell 23, fore-set mounting hole 213 provided with limit in spring
Plane 214, fore-set 25 is provided with confined planes 214 in the outer confined planes 251 of spring, spring and more leaned on relative to confined planes outside spring 251
It is cased with compression spring 28 on the inner passage of nearly suction nozzle 21, fore-set 25, the two ends of compression spring 28 withstand on spacing in spring respectively
On face 214, the outer confined planes 251 of spring；The inner peripheral surface of shell 23 is provided with tapered guide surface 232, the diameter of tapered guide surface 232
It is incremented by from top to bottom, fore-set 25 extend out to one end outside suction nozzle 21 and is against in tapered guide surface 232 and along tapered guide surface 232
Move up and down.
In the case where shell 23 does not stress, fore-set 25 be against in the presence of compression spring 28 tapered guide surface 232 compared with
The position of top, now, fore-set 25 are stretched in the inner passage of suction nozzle 21；When shell 23 is crushed on the end face of suction port 201
On, shell 23 is moved up relative to suction nozzle 21, and the end of fore-set 25 is moved down along tapered guide surface 232, in compression spring
Fore-set 25 is retreated to outside the inner passage of suction nozzle 21 in the presence of 28.
As shown in fig. 7, tapered guide surface 232 is provided with least one axially extending housing breather along shell 23
233, the space between suction nozzle 21 and shell 23 is connected by housing breather 233 with exterior space.Housing breather 233, has
Help rapidly lay down vacuum when suction nozzle 2 is separated with suction port 201.
For ensure draw cryopreservation tube 10 when, between suction nozzle connecting seat 22 and shell 23 keep sealing, suction nozzle connecting seat 22 with
The surface that shell 23 is contacted is provided with upper sealing ring 26.As shown in figure 4, the spring upper limit plane 221 of suction nozzle connecting seat 22 is provided with
Upper sealing ring 26.To ensure the installation of upper sealing ring 26, upper trapezoid circumferentially can be opened up on spring upper limit plane 221
Groove 222, upper sealing ring 26 is arranged in the upper trapezoid groove 222.Wherein, upper sealing ring 26 can be O-ring.
To ensure to draw during cryopreservation tube 10, sealing is kept between shell 23 and suction port 201, the lower surface of shell 23 is provided with
Lower seal 27.To ensure the installation of lower seal 27, lower trapezoid circumferentially can be opened up on the lower surface of shell 23
Groove 235, lower seal 27 is arranged in the lower trapezoid groove 235.Wherein, lower seal 27 can be O-ring.
As shown in figure 8, when needing to draw cryopreservation tube 10, the quantity for the cryopreservation tube 10 drawn according to this needs, straight
Stator 31 is driven to move under the control of line motor 3, the length that adjustment stator 31 is stretched into suction pipe 1 limits freezing for the absorption of suction pipe 1
The quantity of pipe 10.During formal absorption, suction nozzle 2 is pressed in the suction port 201 of cryopreservation tube storage container 20, shell 23 contracts upwards
Return, fore-set 25 is retreated to outside the inner passage of suction nozzle 21, and suction nozzle 21 is pressed in suction port 201, the inner passage of suction nozzle 21 and absorption
Mouth 201 is connected.After vacuum tube joint 4 is connected with vacuum exhaust pipe, makes to produce negative pressure in suction pipe 1 by pumping, make to freeze
Pipe 10 is by suction suction pipe 1 one by one, and when the cryopreservation tube 10 sucked at first is against the end of stator 31, cryopreservation tube 10 stops inhaling
Enter.
As shown in figure 9, after the completion of cryopreservation tube 10 is drawn, suction nozzle 2 is separated with suction port 201, shell 23 is returned back to downwards
Original position, fore-set 25 is stretched in the inner passage of suction nozzle 21 again, and the cryopreservation tube 10 positioned at the top of fore-set 25 is limited in into suction
In pipe 1, and the cryopreservation tube 10 positioned at the lower section of fore-set 25 is fallen back in cryopreservation tube storage container 20 naturally.
In summary, the utility model variable capacity suction means leads to there is provided a kind of new cryopreservation tube suction means
The length that son is stretched into suction pipe is adjusted in toning, limits the quantity for the cryopreservation tube that suction pipe is once drawn, and makes what each cryopreservation tube was drawn
Quantity can be set, and be suitable for a variety of absorption demands.
The utility model is not limited to above-mentioned embodiment, no matter making any change in its shape or structure, all falls within
Within protection domain of the present utility model.Protection domain of the present utility model is defined by the appended claims, this area
Technical staff on the premise of without departing substantially from principle of the present utility model and essence, a variety of changes can be made to these embodiments
More or modification, but these change and modification each fall within protection domain of the present utility model.
Claims (16)
1. a kind of variable capacity suction means, it is characterised in that：It includes suction pipe (1), connected with one end of the suction pipe (1)
Suction nozzle (2), the linear electric motors (3) being connected with the other end of the suction pipe (1), stator (31) insertion of the linear electric motors (3)
Into the suction pipe (1), the axial movement of suction pipe (1) described in driving lower edge of the stator (31) in the linear electric motors (3),
The suction pipe (1) is also connected with vacuum tube joint (4).
2. variable capacity suction means according to claim 1, it is characterised in that：The linear electric motors (3) are fixed on electricity
In machine fixed seat (5), the suction pipe (1) is fixed on suction pipe connecting seat (6), and the motor fixing seat (5) connects with the suction pipe
Joint chair (6) is mutually fixed, and the stator (31) is inserted into the suction pipe (1) through the suction pipe connecting seat (6).
3. variable capacity suction means according to claim 2, it is characterised in that：The suction pipe connecting seat (6) with it is described
Upper sliding sleeve (7) is provided between stator (31).
4. variable capacity suction means according to claim 2, it is characterised in that：The vacuum tube joint (4) is fixed on
On the suction pipe connecting seat (6).
5. variable capacity suction means according to claim 1, it is characterised in that：The suction pipe (1) and the stator
(31) low sleeve (8) is provided between.
6. variable capacity suction means according to claim 1, it is characterised in that：The linear electric motors (3) also include control
Device (32) processed and mover (33), the mover (33) are relatively fixed with the suction pipe (1), and the mover (33) is in the controller
(32) drive the stator (31) mobile under control.
7. variable capacity suction means according to claim 1, it is characterised in that：The outside of the suction pipe (1) is cased with protecting
Warm layer (9).
8. variable capacity suction means according to claim 1, it is characterised in that：The suction nozzle (2) is additionally provided with suction pipe
Cryopreservation tube (10) in the suction pipe (1) can be limited in the suction pipe (1) by position limiting structure, the suction pipe position limiting structure.
9. variable capacity suction means according to claim 1, it is characterised in that：The suction nozzle (2) include suction nozzle (21),
The suction nozzle connecting seat (22) that the suction nozzle (21) is connected with the suction pipe (1) and the shell being enclosed on outside the suction nozzle (21)
(23), the suction nozzle (21) is connected with the suction pipe (1), and the shell (23) can move down along in the axial direction of the suction nozzle (21)
It is dynamic.
10. variable capacity suction means according to claim 9, it is characterised in that：It is cased with resetting on the suction nozzle (21)
Spring (24), the two ends of the back-moving spring (24) withstand on the suction nozzle connecting seat (22), on shell (23), the suction nozzle (21)
Provided with outwardly suction nozzle spacing preiection (211), the shell (23) is provided with inwardly projecting shell spacing preiection (231),
The shell spacing preiection (231) is located at the top of the suction nozzle spacing preiection (211).
11. variable capacity suction means according to claim 10, it is characterised in that：The suction nozzle spacing preiection (211)
At least one axially extending suction nozzle passage (212) along the suction nozzle (21) is provided with, the suction nozzle passage (212) will
The suction nozzle (21) is connected with the space between the shell (23) with exterior space.
12. variable capacity suction means according to claim 9, it is characterised in that：Set on the side face of the suction nozzle (21)
Have in fore-set mounting hole (213), the fore-set mounting hole (213) and fore-set (25) is installed, the fore-set (25) can stretch to institute
In the inner passage for stating suction nozzle (21), the fore-set (25) retreats to the suction nozzle (21) when the shell (23) is moved up
Outside inner passage.
13. variable capacity suction means according to claim 12, it is characterised in that：In the fore-set mounting hole (213)
Provided with confined planes in spring (214), the fore-set (25) is provided with confined planes in the outer confined planes (251) of spring, the spring
(214) covered relative to confined planes (251) outside the spring closer to the inner passage of the suction nozzle (21) on the fore-set (25)
There is a compression spring (28), the two ends of the compression spring (28) withstand on confined planes (214) in the spring respectively, spacing outside spring
On face (251)；The inner peripheral surface of the shell (23) is provided with tapered guide surface (232), the diameter of the tapered guide surface (232)
It is incremented by from top to bottom, the fore-set (25) extend out to the outside one end of the suction nozzle (21) and is against the tapered guide surface (232)
Move up and down above and along the tapered guide surface (232).
14. variable capacity suction means according to claim 13, it is characterised in that：On the tapered guide surface (232)
Provided with least one axially extending housing breather (233) along the shell (23), the housing breather (233) is by institute
The space stated between suction nozzle (21) and the shell (23) is connected with exterior space.
15. variable capacity suction means according to claim 9, it is characterised in that：The suction nozzle connecting seat (22) and institute
The surface for stating shell (23) contact is provided with upper sealing ring (26).
16. variable capacity suction means according to claim 9, it is characterised in that：The lower surface of the shell (23) is set
There is lower seal (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621457327.2U CN206345443U (en) | 2016-12-28 | 2016-12-28 | Variable capacity suction means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621457327.2U CN206345443U (en) | 2016-12-28 | 2016-12-28 | Variable capacity suction means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206345443U true CN206345443U (en) | 2017-07-21 |
Family
ID=59319359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621457327.2U Active CN206345443U (en) | 2016-12-28 | 2016-12-28 | Variable capacity suction means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206345443U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106586555A (en) * | 2016-12-28 | 2017-04-26 | 上海原能细胞医学技术有限公司 | Variable-volume suction device |
| CN108016879A (en) * | 2017-12-29 | 2018-05-11 | 上海原能细胞生物低温设备有限公司 | A kind of telescopic turntable suction head apparatus |
-
2016
- 2016-12-28 CN CN201621457327.2U patent/CN206345443U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106586555A (en) * | 2016-12-28 | 2017-04-26 | 上海原能细胞医学技术有限公司 | Variable-volume suction device |
| CN106586555B (en) * | 2016-12-28 | 2022-03-29 | 上海原能细胞生物低温设备有限公司 | Variable capacity suction device |
| CN108016879A (en) * | 2017-12-29 | 2018-05-11 | 上海原能细胞生物低温设备有限公司 | A kind of telescopic turntable suction head apparatus |
| CN108016879B (en) * | 2017-12-29 | 2023-12-05 | 上海原能细胞生物低温设备有限公司 | Telescopic rotary disc suction head device |
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Legal Events
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shanghai primary cell biological low temperature Equipment Co Ltd Assignor: SHANGHAI ORIGINCELL MEDICAL TECHNOLOGY CO., LTD. Contract record no.: 2018310000026 Denomination of utility model: Variable-volume suction device Granted publication date: 20170721 License type: Exclusive License Record date: 20180611 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20200120 Address after: 200120 Room 102, floor 1, building 4, no.1227, zhangheng road and no.1118, Halley Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee after: Shanghai primary cell biological low temperature Equipment Co Ltd Address before: 201203 Shanghai Free Trade Zone in Pudong New Area Cailun Road, room 816 No. 780 Patentee before: SHANGHAI ORIGINCELL MEDICAL TECHNOLOGY CO., LTD. |