CN208786439U - A kind of liquid transfer gun head and disjunctor liquid transfer gun head - Google Patents
A kind of liquid transfer gun head and disjunctor liquid transfer gun head Download PDFInfo
- Publication number
- CN208786439U CN208786439U CN201821528488.5U CN201821528488U CN208786439U CN 208786439 U CN208786439 U CN 208786439U CN 201821528488 U CN201821528488 U CN 201821528488U CN 208786439 U CN208786439 U CN 208786439U
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- China
- Prior art keywords
- liquid transfer
- gun head
- transfer gun
- liquid
- connecting sleeve
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Abstract
A kind of liquid transfer gun head and disjunctor liquid transfer gun head, are related to liquid relief clothing arts, and the liquid transfer gun head attachment device that the liquid transfer gun head is detachably connected by setting one with liquid transfer gun head ontology can enhance the applicability of liquid transfer gun head；It is embedded with sealing element in the liquid transfer gun head attachment device, falling off for liquid transfer gun head after imbibition can be effectively prevent, improve stability in use；The liquid transfer gun head attachment device further includes annular storage chamber, for liquid relief during liquid relief is released due to rate of withdraw is too fast in rapid pumpback to liquid transfer gun head, annular storage chamber can be made it into, and double shield can be achieved in the setting of filter layer, and then effectively prevent pollution liquid-transfering gun.The disjunctor liquid transfer gun head overcomes existing multiple independent liquid transfer gun heads existing defect for needing mounted box one by one in practical mounted box, improves the mounted box efficiency in the unit time, simplifies mounted box program, save human resources.
Description
Technical field
The utility model relates to liquid relief clothing arts, in particular to a kind of liquid transfer gun head and disjunctor liquid transfer gun head.
Background technique
The one kind of liquid-transfering gun as pipettor, is usually used in that laboratory is a small amount of or micro liquid pipettes, the shifting of different size
Liquid rifle need to be matched with liquid transfer gun head of corresponding size, it has the following problems in actual operation: (1) due to different manufacturers
The interconnecting piece size of the liquid-transfering gun of production is different, causes the liquid-transfering gun that a kind of liquid transfer gun head cannot be adapted to another producer's production,
This brings inconvenience to experimenter；(2) during liquid relief is released, if rate of withdraw is too fast, it is fast to will lead to liquid relief
In fast pumpback to liquid transfer gun head and liquid-transfering gun is polluted, to cause the pollution to next liquid relief；(3) the inner wall light of liquid transfer gun head
Sliding, the frictional force between liquid-transfering gun toggle is small, and liquid transfer gun head easily falls off from liquid-transfering gun because becoming weight after imbibition, using steady
Qualitative difference；(4) when in use, it is necessary first to be placed in rifle for what each independent liquid transfer gun head in bulk carried out arrangement one by one and rule
In head cartridge, this intricate operation and it is time-consuming, waste the plenty of time of experimenter.
Utility model content
The purpose of this utility model is to provide a kind of liquid transfer gun heads, and it is a variety of not to can be realized a kind of liquid transfer gun head adaptation
The liquid-transfering gun of same specification, while it being able to solve the problem of liquid transfer gun head stability in use difference, and can effectively prevent polluting.
The another object of the utility model is to provide a kind of disjunctor liquid transfer gun head, when can be improved liquid transfer gun head mounted box
Efficiency.
The embodiments of the present invention are achieved in that
The one side of the utility model embodiment provides a kind of liquid transfer gun head comprising:
Liquid transfer gun head attachment device, including connecting sleeve, the first end of the connecting sleeve with liquid-transfering gun for connecting, institute
The inner wall for stating connecting sleeve first end is embedded with sealing element, and the interior and lower section positioned at the sealing element of the connecting sleeve is also set
There is filter layer；The open edge of the second end of the connecting sleeve, which extends internally, an annular bottom plate, the annular bottom plate it is interior
Edge is extended with a cylindrical inside plate towards the connecting sleeve first end, and the inner wall of the interior plate is formed with interior spiral shell
Line surrounds to form an annular storage chamber between the interior plate, the annular bottom plate and the connecting sleeve jointly, described interior
A gap is reserved between the top of side plate and the filter layer；And
Liquid transfer gun head ontology, the first end of the liquid transfer gun head ontology offer the external screw thread with the screw-internal thread fit,
The liquid transfer gun head ontology is spirally connected by the external screw thread and the internal screw thread to connect with the liquid transfer gun head attachment device.
Optionally, in the utility model preferred embodiment, the inner wall of the connecting sleeve first end is recessed with ring
Connected in star, the sealing element are embedded in the annular groove.
Optionally, in the utility model preferred embodiment, the inner wall of the connecting sleeve first end is convexly equipped with more
A annular protrusion structure forms an annular groove between the two neighboring annular protrusion structure, and the sealing element is embedded at institute
It states in annular groove.
Optionally, in the utility model preferred embodiment, the sealing element includes snap ring, and the snap ring is embedded at institute
It states in annular groove, the snap ring is extended with sealing ring to the center of the connecting sleeve, and the sealing ring is with the snap ring
Integrated formed structure.
Optionally, in the utility model preferred embodiment, the whole structure annular in shape of the sealing element and its cross section
It is T-shaped.
Optionally, in the utility model preferred embodiment, inner chamfer is provided at the upper end opening of the sealing ring.
Optionally, in the utility model preferred embodiment, the medial surface of the sealing ring forms closed with liquid-transfering gun
The sealing surface of cooperation.
Optionally, in the utility model preferred embodiment, the connecting sleeve, the annular bottom plate and the inside
Plate is an integral molding structure.
Optionally, in the utility model preferred embodiment, the filter layer is formed by compound glass fiber combinations.
The another aspect of the utility model embodiment provides a kind of disjunctor liquid transfer gun head comprising multiple above-mentioned liquid reliefs
Pipette tips, the two sides of each liquid transfer gun head attachment device are respectively arranged with two connectors, the adjacent two liquid transfer gun head connection dress
It sets and is fixedly connected by the connector.
The beneficial effect of the utility model embodiment includes:
The liquid transfer gun head attachment device that this liquid transfer gun head is detachably connected by setting one with liquid transfer gun head ontology, utilizes this
Liquid transfer gun head attachment device realizes that liquid-transfering gun can be adapted to installation with the liquid transfer gun head ontology that its script is not adapted to, to enhance shifting
The applicability of liquid pipette tips；It is embedded with sealing element in the liquid transfer gun head attachment device, it can be increased between liquid-transfering gun toggle
Frictional force, effectively prevent falling off for liquid transfer gun head after imbibition, improve stability in use；The liquid transfer gun head attachment device further includes
Annular storage chamber, for liquid relief during liquid relief is released due to rate of withdraw is too fast in rapid pumpback to liquid transfer gun head,
Annular storage chamber can be made it into, and double shield can be achieved in the setting of filter layer, and then effectively prevent pollution liquid-transfering gun.
Overcome that existing multiple independent liquid transfer gun heads are existing in practical mounted box to be needed by using this disjunctor liquid transfer gun head
The defect of mounted box one by one improves the mounted box efficiency in the unit time, simplifies mounted box program, save human resources.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram for liquid transfer gun head that an embodiment of the present invention provides；
Fig. 2 is the structural schematic diagram of liquid transfer gun head attachment device in Fig. 1；
Fig. 3 is the structural representation of the liquid transfer gun head attachment device for the liquid transfer gun head that another embodiment of the utility model provides
Figure；
Fig. 4 is the structural schematic diagram for the disjunctor liquid transfer gun head that an embodiment of the present invention provides.
Icon: 100- liquid transfer gun head；The first liquid transfer gun head of 100a-；The second liquid transfer gun head of 100b-；110- liquid transfer gun head connects
Connection device；110a- the first liquid transfer gun head attachment device；110b- the second liquid transfer gun head attachment device；111- connecting sleeve；1111-
Annular groove；1112- bulge-structure；112- sealing element；1121- snap ring；1122- sealing ring；113- filter layer；114- annular bottom
Plate；115- interior plate；116- annular storage chamber；117- connector；The first connector of 1171a-；1173a- third connector；
The second connector of 1172b-；The 4th connector of 1174b-；118- annular opening；120- liquid transfer gun head ontology；200- disjunctor liquid relief
Pipette tips.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or
The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area
Divide description, is not understood to indicate or imply relative importance.
In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly
Low dip.It is not to indicate that the structure has been had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It is complete horizontal, but can be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
Embodiment
Fig. 1 is please referred to, the present embodiment provides a kind of liquid transfer gun heads 100 comprising liquid transfer gun head attachment device 110 and connection
In the liquid transfer gun head ontology 120 of liquid transfer gun head attachment device 110.
Wherein, as shown in Fig. 2, liquid transfer gun head attachment device 110, including connecting sleeve 111, the first of connecting sleeve 111
For connecting with liquid-transfering gun, the inner wall of 111 first end of connecting sleeve is embedded with sealing element 112 at end, in connecting sleeve 111 and position
Filter layer 113 is additionally provided in the lower section of sealing element 112；The open edge of the second end of connecting sleeve 111, which extends internally, a ring
The inward flange of shape bottom plate 114, annular bottom plate 114 is extended with a cylindrical inside plate 115 towards 111 first end of connecting sleeve,
The inner wall of interior plate 115 is formed with internal screw thread, closes jointly between interior plate 115, annular bottom plate 114 and connecting sleeve 111
It encloses to form an annular storage chamber 116, is reserved with a gap between the top and filter layer 113 of interior plate 115.
Specifically, connecting sleeve 111, annular bottom plate 114 and interior plate 115 are an integral molding structure, the top of interior plate 115
Gap between end and filter layer 113 forms an annular opening 118.
Optionally, the inner wall of 111 first end of connecting sleeve is recessed with annular groove 1111, and sealing element 112 is embedded at ring
In connected in star 1111.
Specifically, sealing element 112 includes snap ring 1121, and snap ring 1121 is embedded in annular groove 1111, snap ring 1121 to
The center of connecting sleeve 111 is extended with sealing ring 1122, and sealing ring 1122 is an integral molding structure with snap ring 1121, sealing element
112 whole annular in shape structures and its cross section is T-shaped.
Optionally, be provided with inner chamfer at the upper end opening of sealing ring 1122, setting inner chamfer facilitate with liquid-transfering gun
It is easier when assembly；It should be noted that the medial surface of sealing ring 1122 forms the sealing surface with liquid-transfering gun close fit.
Optionally, filter layer 113 is formed by compound glass fiber combinations.
Further, liquid transfer gun head ontology 120, the first end of liquid transfer gun head ontology 120 is offered matches with above-mentioned internal screw thread
The external screw thread of conjunction, liquid transfer gun head ontology 120 by the external screw thread and above-mentioned internal screw thread be spirally connected with liquid transfer gun head attachment device 110
Connection.
Fig. 3 is the structure of the liquid transfer gun head attachment device 110 for the liquid transfer gun head 100 that another embodiment of the utility model provides
Schematic diagram, referring to figure 3., liquid transfer gun head attachment device 110 provided by the present embodiment connect with liquid transfer gun head proposed in Fig. 2
The something in common of connection device 110 uses identical label, and details are not described herein, the difference is that, 111 first end of connecting sleeve
Inner wall is convexly equipped with multiple annular protrusion structures 1112, forms an annular groove between two neighboring annular protrusion structure 1112
1111, sealing element 112 is embedded in annular groove 1111.
In conclusion the liquid transfer gun head that this liquid transfer gun head 100 is detachably connected by setting one with liquid transfer gun head ontology 120
Attachment device 110, not being adapted to liquid transfer gun head ontology 120 with script using the realization liquid-transfering gun of liquid transfer gun head attachment device 110 can
Adaptation installation, to enhance the applicability of liquid transfer gun head 100；Sealing element is embedded in the liquid transfer gun head attachment device 110
112, its frictional force between liquid-transfering gun toggle can be increased, effectively prevent falling off for liquid transfer gun head 100 after imbibition, raising makes
Use stability；The liquid transfer gun head attachment device 110 further includes annular storage chamber 116, for during liquid relief is released because moving back
Out excessive velocities and rapidly pumpback to the liquid relief in liquid transfer gun head 100, it can be made to enter annular storage chamber from annular opening 118
116, and double shield can be achieved in the setting of filter layer 113, and then effectively prevent pollution liquid-transfering gun.
Fig. 4 is the structural schematic diagram for the disjunctor liquid transfer gun head 200 that an embodiment of the present invention provides, referring to figure 4., should
Disjunctor liquid transfer gun head 200 includes that multiple above-mentioned liquid transfer gun heads 100 (can also be liquid transfer gun head provided by embodiment in Fig. 3
100), further, the two sides of the liquid transfer gun head attachment device 110 of liquid transfer gun head 100 are respectively arranged with two connectors 117, phase
Adjacent two liquid transfer gun head attachment devices 110 are fixedly connected by connector 117.
Specifically, above-mentioned two connector 117 is an integral molding structure with liquid transfer gun head attachment device 110.
For example, two liquid transfer gun heads 100 are respectively the first liquid transfer gun head 100a and the second liquid transfer gun head 100b, the first liquid-transfering gun
The two sides of the first liquid transfer gun head attachment device 110a of head 100a are respectively arranged with the first connector 1171a and third connector
The two sides of the second liquid transfer gun head attachment device 110b of 1173a, the second liquid transfer gun head 100b are respectively arranged with the second connector
1172b and the 4th connector 1174b.
First connector 1171a offers internal screw thread far from one end of the first liquid transfer gun head attachment device 110a, and third connects
Fitting 1173a offers external screw thread far from one end of the first liquid transfer gun head attachment device 110a, and the second connector 1172b is far from
One end of two liquid transfer gun head attachment device 110b offers internal screw thread, and the 4th connector 1174b is connected far from the second liquid transfer gun head
One end of device 110b offers external screw thread；The external screw thread phase of the internal screw thread of second connector 1172b and third connector 1173a
Cooperation；The internal screw thread of first connector 1171a can be with the connector 117 of its another adjacent liquid transfer gun head attachment device 110
External screw thread matches；The external screw thread of 4th connector 1174b can be with the connection of its another adjacent liquid transfer gun head attachment device 110
The internal screw thread of part 117 matches.
Optionally, in order to easy to operate, for multiple liquid transfer gun head attachment devices 110, each liquid transfer gun head attachment device
110 wherein a connection piece 117 can open up into internal screw thread, and another connector 117 can open up into external screw thread, and each connector
117 external screw thread can be matched with the internal screw thread of remaining connector 117.
It should be noted that the rifle of the quantity of liquid transfer gun head 100, spacing and arrangement mode according to storage liquid transfer gun head 100
Hole count, spacing and the arrangement mode customization of head cartridge, length, the orientation of connector 117 are arranged also according between above-mentioned pipette tips box
Away from being customized with arrangement mode.
In conclusion this disjunctor liquid transfer gun head 200 includes multiple liquid transfer gun heads 100, not only there is 100 institute of liquid transfer gun head
It has the advantage that (no longer superfluous herein since the beneficial effect of liquid transfer gun head 100 has been described in detail before
State), it also has the advantages that, is respectively arranged with two companies in the two sides of the liquid transfer gun head attachment device 110 of liquid transfer gun head 100
Fitting 117, adjacent two liquid transfer gun heads attachment device 110 can be fixedly connected by connector 117, by using this disjunctor liquid-transfering gun
First 200 overcome existing multiple independent liquid transfer gun heads 100 existing defect for needing mounted box one by one in practical mounted box, improve list
Mounted box efficiency in the time of position, simplifies mounted box program, saves human resources.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of liquid transfer gun head characterized by comprising
Liquid transfer gun head attachment device, including connecting sleeve, the first end of the connecting sleeve with liquid-transfering gun for connecting, the company
The inner wall for connecing sleeve first end is embedded with sealing element, and the connecting sleeve is interior and is additionally provided with below the sealing element
Filtering layer；The open edge of the second end of the connecting sleeve, which extends internally, an annular bottom plate, the inward flange of the annular bottom plate
It is extended with a cylindrical inside plate towards the connecting sleeve first end, the inner wall of the interior plate is formed with internal screw thread,
It surrounds to form an annular storage chamber, the inside jointly between the interior plate, the annular bottom plate and the connecting sleeve
A gap is reserved between the top of plate and the filter layer；And
Liquid transfer gun head ontology, the first end of the liquid transfer gun head ontology offers the external screw thread with the screw-internal thread fit, described
Liquid transfer gun head ontology is spirally connected by the external screw thread and the internal screw thread to connect with the liquid transfer gun head attachment device.
2. liquid transfer gun head according to claim 1, which is characterized in that the inner wall of the connecting sleeve first end is recessed with
Annular groove, the sealing element are embedded in the annular groove.
3. liquid transfer gun head according to claim 1, which is characterized in that the inner wall of the connecting sleeve first end is convexly equipped with
Multiple annular protrusion structures form an annular groove between the two neighboring annular protrusion structure, and the sealing element is embedded at
In the annular groove.
4. liquid transfer gun head according to claim 2 or 3, which is characterized in that the sealing element includes snap ring, and the snap ring is embedding
In the annular groove, the snap ring is extended with sealing ring to the center of the connecting sleeve, the sealing ring with it is described
Snap ring is an integral molding structure.
5. liquid transfer gun head according to claim 4, which is characterized in that the whole structure annular in shape of the sealing element and its is transversal
Face is T-shaped.
6. liquid transfer gun head according to claim 4, which is characterized in that fallen in being provided at the upper end opening of the sealing ring
Angle.
7. liquid transfer gun head according to claim 4, which is characterized in that the medial surface of the sealing ring forms close with liquid-transfering gun
Close the sealing surface of cooperation.
8. liquid transfer gun head according to claim 1, which is characterized in that the connecting sleeve, the annular bottom plate with it is described
Interior plate is an integral molding structure.
9. liquid transfer gun head according to claim 1, which is characterized in that the filter layer by compound glass fiber combinations and
At.
10. a kind of disjunctor liquid transfer gun head, which is characterized in that including liquid-transfering gun described in any one of multiple claim 1-9
Head, the two sides of each liquid transfer gun head attachment device are respectively arranged with two connectors, the adjacent two liquid transfer gun head attachment device
It is fixedly connected by the connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821528488.5U CN208786439U (en) | 2018-09-18 | 2018-09-18 | A kind of liquid transfer gun head and disjunctor liquid transfer gun head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821528488.5U CN208786439U (en) | 2018-09-18 | 2018-09-18 | A kind of liquid transfer gun head and disjunctor liquid transfer gun head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208786439U true CN208786439U (en) | 2019-04-26 |
Family
ID=66210067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821528488.5U Expired - Fee Related CN208786439U (en) | 2018-09-18 | 2018-09-18 | A kind of liquid transfer gun head and disjunctor liquid transfer gun head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208786439U (en) |
-
2018
- 2018-09-18 CN CN201821528488.5U patent/CN208786439U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nanjing peptide crystal Biotechnology Co.,Ltd. Assignor: Nanjing Forestry University Contract record no.: X2019320000336 Denomination of utility model: Liquid -transfering gun head and disjunctor liquid -transfering gun head Granted publication date: 20190426 License type: Common License Record date: 20191206 Assignee: Nanjing dehetang Biotechnology Co.,Ltd. Assignor: Nanjing Forestry University Contract record no.: X2019320000335 Denomination of utility model: Liquid -transfering gun head and disjunctor liquid -transfering gun head Granted publication date: 20190426 License type: Common License Record date: 20191206 Assignee: Nanjing runke Biotechnology Co.,Ltd. Assignor: Nanjing Forestry University Contract record no.: X2019320000337 Denomination of utility model: Liquid -transfering gun head and disjunctor liquid -transfering gun head Granted publication date: 20190426 License type: Common License Record date: 20191206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190426 Termination date: 20210918 |