CN209000310U - Applied to biology or the physically or chemically injection structure of teaching test - Google Patents
Applied to biology or the physically or chemically injection structure of teaching test Download PDFInfo
- Publication number
- CN209000310U CN209000310U CN201721764872.0U CN201721764872U CN209000310U CN 209000310 U CN209000310 U CN 209000310U CN 201721764872 U CN201721764872 U CN 201721764872U CN 209000310 U CN209000310 U CN 209000310U
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- China
- Prior art keywords
- connector sleeve
- stirrup
- chemically
- physically
- liquid collecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model belongs to instruments used for education applied technical field, it specifically discloses applied to the biological or physically or chemically injection structure of teaching test, including hollow connector sleeve, cone-type spiral connector sleeve, liquid collecting set, pressing ring, stirrup, compression bar, adjusting nut, auxiliary screw connecting rod, inside spin connector sleeve, hand-held briquetting, sealing cover and the hand-held groove of auxiliary.The utility model be applied to biology or physically or chemically the beneficial effect of the injection structure of teaching test is: its design structure is reasonable, hollow connector sleeve, cone-type spiral connector sleeve, liquid collecting set, pressing ring, stirrup, compression bar, adjusting nut, auxiliary screw connecting rod, inside spin connector sleeve, hand-held briquetting, sealing cover, the hand-held groove of auxiliary, limiting groove and the retention bead structure being used in combination, it is able to achieve accurate and stable injection operation when injecting addition reagent, the accuracy of guarantee test data and result carries out test study convenient for student.
Description
Technical field
The utility model belongs to instruments used for education applied technical field, and in particular to imparts knowledge to students applied to biology or physically or chemically
The injection structure of test, suitable for biology or physically or chemically teaching test teaching work, for realizing accurate, stable liquid
Body injects purpose.
Background technique
Biology, the set of life entity and an object with kinetic energy, and individual biology refers to organism are and non-
Biofacies pair, element include: the having with survival ability and fertility generated by chemical reaction under field conditions (factors)
The object of life and the lived offspring generated by its (or they) by breeding can make extraneous stimulation corresponding anti-
It answers, can interdepend, mutually promote with extraneous environment, and substance useless in vivo can be discharged, there is heredity and variation
Characteristic.Physical phenomenon refers to changing for form, size, structure, property (such as height, speed, temperature, electromagnetic property) of substance etc.
Become the phenomenon that generating without novel substance, is physical change another kind saying, in other words, physical phenomenon, which refers to, directly to be perceived
Physical event or physical process, and be different from physical essence, physical essence is to the common essential attribute of similar physical phenomenon
It is abstract.In chemical phenomenon the phenomenon that often adjoint luminous, heat release, discoloration, the generation of precipitating and the releasing of gas, so chemical
There is the generation of novel substance after the essential distinction or chemical change of variation and physical change, and there is no novel substance after physical change
It generates.
In biology or physically or chemically in teaching test teaching work, need intuitively to be demonstrated by doing experiment,
To improve the quality of teaching, and it often will appear in experimental procedure and need to add other reagents, this just needs to use injection knot
Structure is realized.But existing injection structure, its structure is complicated, inconvenient, and injection volume usually occurs in when injection cannot be accurate
The phenomenon that control, this results in the structure of test to have deviation, influence experimental observation effect, if doing experiment also time-consuming and cost again
(uses of the raw materials such as reagent), and this is current urgently to be resolved.
Therefore, based on the above issues, the utility model, which provides, is applied to biology or the physically or chemically injection of teaching test
Structure.
Utility model content
Purpose of utility model: the purpose of the utility model is to provide be applied to biology or the physically or chemically note of teaching test
Structure is penetrated, hollow connector sleeve, cone-type spiral connector sleeve, liquid collecting set, pressing ring, stirrup, the compression bar, adjusting being used in combination
Nut, inside spin connector sleeve, hand-held briquetting, sealing cover, assists hand-held groove, limiting groove and limit at auxiliary screw connecting rod
Bulge-structure, when injection addition reagent, are able to achieve accurate and stable injection operation, guarantee test data and result it is accurate
Property, learn convenient for student,
Technical solution: the utility model, which provides, is applied to biology or the physically or chemically injection structure of teaching test, including
Hollow connector sleeve, and the cone-type spiral connector sleeve of hollow connector sleeve one end is set, and connect liquid collecting with cone-type spiral connector sleeve
Set, and the pressing ring being arranged in liquid collecting set, and the stirrup being connect with pressing ring, and the pressure of stirrup one end is set
Bar, and the adjusting nut for being used to fix stirrup and compression bar on stirrup is set, and compression bar one end is arranged in
Auxiliary screw connecting rod, and the inside spin connector sleeve being connect with auxiliary screw connecting rod, and be arranged in inside spin connector sleeve one end
Hand-held briquetting, and cover one end with liquid collecting and connect sealing cover, and be symmetricly set on the auxiliary of connection sealing cover two sides and hold groove；
The hollow connector sleeve, cone-type spiral connector sleeve, compression bar, fixed stirrup, adjusting nut, auxiliary screw connecting rod are
Steel structure, liquid collecting set, connection sealing cover assist hand-held groove to be tempered glass structure, and pressing ring is corrosion-resistant, wear-resisting, resistance to height
Warm plastic construction.
The technical program, it is described to be applied to biology or the physically or chemically injection structure of teaching test, it further include setting
Inside spin rubber gasket on cone-type spiral connector sleeve, and the hollow spacing collar of liquid collecting set is set.
The technical program, it is described to be applied to biology or the physically or chemically injection structure of teaching test, it further include setting
In several limiting grooves of liquid collecting set inner wall, and it is arranged on pressing ring and is used in combination with several limiting grooves several
A retention bead, wherein several limiting grooves are tempered glass structure, several retention beads be it is corrosion-resistant, wear-resisting,
High-temperature resistance plastice structure.
Compared with prior art, the utility model is applied to biology or the physically or chemically injection structure of teaching test
Beneficial effect is: its design structure is reasonable, hollow connector sleeve, cone-type spiral connector sleeve, the liquid collecting set, pressure being used in combination
Circle, stirrup, compression bar, adjusting nut, auxiliary screw connecting rod, inside spin connector sleeve, hand-held briquetting, sealing cover, auxiliary
Hand-held groove, limiting groove and retention bead structure, injection are able to achieve accurate and stable injection operation when adding reagent, protect
The accuracy of confirmatory test data and result carries out test study convenient for student.
Detailed description of the invention
Fig. 1 is the utility model applied to biology or the physically or chemically structural representation of the injection structure of teaching test
Figure；
Fig. 2 be the utility model be applied to biology or physically or chemically the injection structure limiting groove of teaching test, limit
The raised schematic cross-sectional view in position；
Wherein, serial number mark is as follows in figure: the hollow connector sleeve of 1-, 2- cone-type spiral connector sleeve, 3- inside spin rubber seal
Pad, 4- liquid collecting set, the hollow spacing collar of 5-, 6- sealing cover, 7- assist hand-held groove, 8- pressing ring, 9- compression bar, 10- stirrup,
The hand-held pressure of 11- adjusting nut, 12- support limit snap-gauge, 13- inside spin connector sleeve, 14- limiting groove, 15- retention bead, 16-
Block.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the utility model is furtherd elucidate.
Embodiment
As depicted in figs. 1 and 2 is applied to biology or the physically or chemically injection structure of teaching test, including hollow connection
Set 1, and the cone-type spiral connector sleeve 2 of hollow 1 one end of connector sleeve is set, and liquid collecting set 4 is connect with cone-type spiral connector sleeve 2,
And the pressing ring 8 in liquid collecting set 4, and the stirrup 10 connecting with pressing ring 8 are set, and are arranged in 10 one end of stirrup
Compression bar 9, and be arranged on stirrup 10 for fixing the adjusting nut 11 of stirrup 10 Yu compression bar 9, and be arranged
Auxiliary screw connecting rod 12 in 9 one end of compression bar, and the inside spin connector sleeve 13 being connect with auxiliary screw connecting rod 12, and setting
Hand-held briquetting 16 in 13 one end of inside spin connector sleeve, and put on liquid collecting set 4(liquid collecting and be provided with graduated scale) one end connect
Sealing cover 6, and it is symmetricly set on the hand-held groove 7 of auxiliary of connection 6 two sides of sealing cover；The hollow connector sleeve 1, cone-type spiral connect
Female connector 2, compression bar 9, fixed stirrup 10, adjusting nut 11, auxiliary screw connecting rod 12 are steel structure, and liquid collecting set 4 connects
Seal cap 6 assists hand-held groove 7 to be tempered glass structure, and pressing ring 8 is corrosion-resistant, wear-resisting, high-temperature resistance plastice structure.
It further include that setting is being bored it is further preferred that being applied to biology or the physically or chemically injection structure of teaching test
Inside spin rubber gasket 3 on shape spiral connector sleeve 2, and the hollow spacing collar 5 of liquid collecting set 4 is set；And it is applied to biology
Or the physically or chemically injection structure of teaching test, it further include liquid collecting being arranged in cover several limiting grooves 14 of 4 inner walls, and set
Several retention beads 15 set on pressing ring 8 and be used in combination with several limiting grooves 14, wherein several limits are recessed
Slot 14 is tempered glass structure, several retention beads 15 are corrosion-resistant, wear-resisting, high-temperature resistance plastice structure.
This structure is applied to biology or the physically or chemically injection structure of teaching test, and design structure is reasonable, matches
It closes the hollow connector sleeve 1, cone-type spiral connector sleeve 2, liquid collecting used and covers 4, pressing ring 8, stirrup 10, compression bar 9, adjusting nut
11, auxiliary screw connecting rod 12, inside spin connector sleeve 13, hand-held briquetting 16, sealing cover 6, auxiliary hand-held groove 7, limiting groove
14 and 15 structure of retention bead, when injection addition reagent, is able to achieve accurate and stable injection operation, guarantee test data with
As a result accuracy carries out test study convenient for student.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
It for art personnel, without departing from the principle of this utility model, can also make several improvements, these improvement also should be regarded as
The protection scope of the utility model.
Claims (2)
1. being applied to biology or the physically or chemically injection structure of teaching test, it is characterised in that: including hollow connector sleeve (1),
And setting connect liquid collecting set in the cone-type spiral connector sleeve (2) of hollow connector sleeve (1) one end, and with cone-type spiral connector sleeve (2)
(4), and pressing ring (8) in liquid collecting set (4), and the stirrup (10) connect with pressing ring (8), and setting are set in spiral
The compression bar (9) of connecting rod (10) one end, and be arranged on stirrup (10) for fixing stirrup (10) and compression bar
(9) adjusting nut (11), and setting compression bar (9) one end auxiliary screw connecting rod (12), and with auxiliary screw connecting rod
(12) connect inside spin connector sleeve (13), and setting inside spin connector sleeve (13) one end hand-held briquetting (16), and with collection
Liquid set (4) one end connect sealing cover (6), and be symmetricly set on connection sealing cover (6) two sides auxiliary hold groove (7)；It is described
Hollow connector sleeve (1), cone-type spiral connector sleeve (2), compression bar (9), fixed stirrup (10), adjusting nut (11), auxiliary
Stirrup (12) is steel structure, and liquid collecting set (4), connection sealing cover (6) assist holding groove (7) being tempered glass
Structure, pressing ring (8) are corrosion-resistant, wear-resisting, high-temperature resistance plastice structure, and the inside spin being arranged on cone-type spiral connector sleeve (2)
Rubber gasket (3), and setting is in the hollow spacing collar (5) of liquid collecting set (4).
2. according to claim 1 be applied to biology or the physically or chemically injection structure of teaching test, it is characterised in that:
It is described to be applied to biology or the physically or chemically injection structure of teaching test, it further include being arranged in the several of liquid collecting set (4) inner wall
A limiting groove (14), and several limits for being arranged on pressing ring (8) and being used in combination with several limiting grooves (14)
Raised (15), wherein several limiting grooves (14) are tempered glass structure, several retention beads (15) are corrosion resistant
Erosion, wear-resisting, high-temperature resistance plastice structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721764872.0U CN209000310U (en) | 2017-12-18 | 2017-12-18 | Applied to biology or the physically or chemically injection structure of teaching test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721764872.0U CN209000310U (en) | 2017-12-18 | 2017-12-18 | Applied to biology or the physically or chemically injection structure of teaching test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209000310U true CN209000310U (en) | 2019-06-18 |
Family
ID=66794357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721764872.0U Expired - Fee Related CN209000310U (en) | 2017-12-18 | 2017-12-18 | Applied to biology or the physically or chemically injection structure of teaching test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209000310U (en) |
-
2017
- 2017-12-18 CN CN201721764872.0U patent/CN209000310U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20190618 Termination date: 20191218 |