CN204666585U - A kind of switchgear of buret - Google Patents
A kind of switchgear of buret Download PDFInfo
- Publication number
- CN204666585U CN204666585U CN201520237855.6U CN201520237855U CN204666585U CN 204666585 U CN204666585 U CN 204666585U CN 201520237855 U CN201520237855 U CN 201520237855U CN 204666585 U CN204666585 U CN 204666585U
- Authority
- CN
- China
- Prior art keywords
- buret
- pipe support
- switchgear
- cradle
- utility
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of switchgear of buret, comprise buret, described buret is connected with upper pipe support, described upper pipe support top is provided with open slot and hollow pipe column, described upper pipe support is connected with switch ring, described switch ring is connected with cradle, is provided with center straight hole in cradle, and the below of described cradle is provided with flexible pipe.Device of the present utility model is simple, and production technology is simple, cheap, has that switch control rule is convenient, control liquid is accurate than present buret, can be common to the application of acid-base solution, be not easy to damage.
Description
Technical field
The utility model belongs to buret device, is specifically related to a kind of switchgear of buret.
Background technology
Buret is instrument and equipment the most frequently used in chemical experiment and chemical detection, be widely used, usually be divided into acid and base buret to use respectively, acid buret adopts glass piston to be switch, and the used time need not cleaned and dry, vaseline will be smeared during use, and gauge tap is connected comparatively thin with body, easy fracture, base buret adopts emulsion tube embedded glass pearl, beaded glass outer emulsion tube can not be oppressed during use, and use comparatively strong alkali solution time beaded glass easily slide.It is inconvenient all to there is control in above two kinds of switches, and defect that can not be general, make troubles to use.
Utility model content
The purpose of this utility model is the above problem overcoming prior art existence, a kind of switchgear of buret is provided, for independent switch device, adopt embedded corrosion resistant plastic tubing, be common to acid-base solution, external gauge tap, rotates compression type and controls liquid break-make, is connected on similar base buret body and forms the use of overall buret.
For achieving the above object, reach above-mentioned technique effect, the utility model is achieved through the following technical solutions:
A kind of switchgear of buret, comprise buret, described buret is connected with upper pipe support, described upper pipe support top is provided with open slot and hollow pipe column, described upper pipe support is connected with switch ring, described switch ring is connected with cradle, is provided with center straight hole in cradle, and the below of described cradle is provided with flexible pipe.
Further, described open slot place is provided with upper cover, covers and be provided with screw socket in upper cover inner cone and upper cover on described, and is provided with the upper outside screw socket of pipe support outside two of described upper pipe support, and the side of the latter half of described upper pipe support is provided with special-shaped guide groove.
Preferably, in described switch ring, be provided with upper inner ring, lower inner ring and eccentric inner ring, described eccentric inner ring is provided with stop bit and gives prominence to.
Further, the one end in described flexible pipe is connected with connection tube head.
Further, compressing head is provided with in described special-shaped guide groove and elasticity turns one's head bar.
The beneficial effects of the utility model are:
Device of the present utility model is simple, and production technology is simple, cheap, has that switch control rule is convenient, control liquid is accurate than present buret, can be common to the application of acid-base solution, be not easy to damage.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of instructions, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present utility model.Embodiment of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is deconstructed into schematic diagram dividing of the switchgear of buret of the present utility model;
Fig. 2 is the formation schematic diagram of the switchgear of buret of the present utility model;
Fig. 3 is the inner connection tube structural representation of the switchgear of buret of the present utility model;
Fig. 4 is the switchgear flexible pipe compressing rod structure schematic diagram of buret of the present utility model;
Fig. 5 is that the switchgear switch ring of buret of the present utility model longitudinally forms schematic diagram;
Fig. 6 is that the switchgear switch ring section of buret of the present utility model forms schematic diagram;
Number in the figure illustrates:
1, buret, 2, upper pipe support, 21, upper cover, 22, upper cover inner cone, 23, screw socket in upper cover, 24, open slot, 25, the upper outside screw socket of upper pipe support, 26, hollow pipe column, 27, special-shaped guide groove, 3, cradle, 4, switch ring, 41, upper inner ring, 42, lower inner ring, 43, eccentric inner ring, 44, stop bit is given prominence to, and 5, center straight hole, 61, connect tube head, 62, flexible pipe, 71, compressing head, 72, elastic recoil bar.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments in detail, design feature of the present utility model and technology implementation process are described in detail:
As shown in figures 1 to 6, a kind of switchgear of buret, comprise buret 1, described buret 1 is connected with upper pipe support 2, described upper pipe support 24 top is provided with open slot 24 and hollow pipe column 26, and described upper pipe support 2 is connected with switch ring 4, and described switch ring 4 is connected with cradle 3, be provided with center straight hole 5 in cradle 3, the below of described cradle 3 is provided with flexible pipe 62.
Further, described open slot 24 place is provided with upper cover 21, described upper cover 21 is provided with screw socket 23 in upper cover inner cone 22 and upper cover, and is provided with the upper outside screw socket 25 of pipe support outside two of described upper pipe support 2, and the side of the latter half of described upper pipe support 2 is provided with special-shaped guide groove 27.
Preferably, be provided with upper inner ring 41 in described switch ring 4, lower inner ring 42 and eccentric inner ring 43, described eccentric inner ring 43 is provided with stop bit outstanding 44.
Further, the one end in described flexible pipe 62 is connected with and connects tube head 61.
Further, be provided with compressing 71 and elasticity in described special-shaped guide groove 27 and turn one's head bar 72.
Embodiment:
Shown in Figure 1, with the injection moulding of corrosion resistant duroplasts, manufacture the switchgear of buret respectively, upper cover 21 has screw socket 23 and upper cover inner cone 22 in upper cover, upper pipe support 2 and cradle 3 are wringing fit, axially there is center straight hole 5, just in time can insert flexible pipe 62, upper pipe support 2 upper end hollow pipe column 26 internal diameter is can be inserted in buret 1 time connecting pipe, hollow pipe column 26 length is can reach buret 1 time above position of connecting pipe maximum outside diameter, hollow pipe column 22 has several longitudinal open slot 24 along ring, upper pipe support 2 epimere has outer screw socket, match in upper cover 21, stage casing, hypomere has two-stage diameter, and longitudinally have the special-shaped guide groove 27 leading to center in nearly middle part, the nearly central opening longitudinal length of abnormity guide groove 27 is smaller, in order to just in time to put into compressing 71, the longitudinal upper shed length in center far away is slightly grown and has inclined-plane, just in time put into elastic recoil bar 72, inclined-plane is return bar 72 elastic space, cradle 3 lower end profile receives circle.
Shown in Figure 3, manufacture inner connection tube with flexible plastic in corrosion resistant, connect tube head 61 softer, tapered, just in time can insert in the lower nozzle of glass burette 1, flexible pipe 62 is slightly soft but full of elasticity, length is longer than overall pipe support 2,3, and the far-end mouth of pipe is fixed to standard dropper spout diameter.
Shown in Figure 4, flexible pipe compressing post by oppress 71 and elastic recoil bar 72 form, elastic recoil bar 72 can adopt elastoplast or stainless steel resilient material, a compressing 71 employing corrosion resistant plastic injection moulding, just in time put into the special-shaped guide groove 27 of pipe support 2 respectively, concordant upper pipe support 2 lower small diameter place when compressing 71 length are to compress downwards, reset position is compressing 71 flexible pipe 62 do not applied pressure in central straight pipe 5, elastic recoil bar 72 is laterally connected in compressing 71, is placed in special-shaped guide groove 27 upper shed position.
Shown in Fig. 5,6, switch ring 4 also injection moulding, longitudinal length is to be just in time suitable for the stage casing part after upper pipe support 2 and cradle 3 cooperation, the upper inner ring 41 of switch ring 4 is dynamic coordinates diameter place in upper pipe support 2 stage casing, the lower inner ring 42 of switch ring 4 is dynamic coordinates upper pipe support 2 hypomere minor diameter place, is eccentric inner ring 43 in the middle part of switch ring 4 internal diameter, and eccentric inner ring 43 diameter far away is compressing bar 72 reset position, nearly diameter is compressing bar 72 compacted position, and minimum and maximum eccentric part has a stop bit outstanding 44 respectively.
Connection tube head 61 is inserted in buret and connects the mouth of pipe 1 time, lining ring is put in the hollow pipe column 26 of upper pipe support 2, screw on upper cover 21, flexible pipe compressing post is put in abnormity guide groove 27, compressing 71 is put in special-shaped guide groove 27, elastic recoil bar 72 is put in the upper shed of special-shaped guide groove 27, by the position that switch ring 4 is placed in out, be inserted in the middle and lower part of pipe support 2, then cradle 3 is coordinated upper pipe support 2, flexible pipe 62 inserts pipe support 2, in the center straight hole 5 of 3, the tubing string 22 of upper pipe support 2 upper end is inserted in the lower nozzle of buret 1, the tight upper cover 21 of suitable choosing is fixed, rotating switch ring 4, determine to open or close, namely can be for subsequent use.
During use, rotating switch 4, easily can control the size of fluid speed.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. the switchgear of a buret, it is characterized in that, comprise buret (1), described buret (1) is connected with upper pipe support (2), described upper pipe support (24) top is provided with open slot (24) and hollow pipe column (26), and described upper pipe support (2) is connected with switch ring (4), and described switch ring (4) is connected with cradle (3), be provided with center straight hole (5) in cradle (3), the below of described cradle (3) is provided with flexible pipe (62).
2. the switchgear of buret according to claim 1, it is characterized in that, described open slot (24) place is provided with upper cover (21), described upper cover (21) is provided with screw socket (23) in upper cover inner cone (22) and upper cover, and being provided with the upper outside screw socket of pipe support (25) outside two of described upper pipe support (2), the side of the latter half of described upper pipe support (2) is provided with special-shaped guide groove (27).
3. the switchgear of buret according to claim 1, is characterized in that, is provided with upper inner ring (41) in described switch ring (4), lower inner ring (42) and eccentric inner ring (43), and described eccentric inner ring (43) is provided with stop bit outstanding (44).
4. the switchgear of buret according to claim 1, is characterized in that, the one end in described flexible pipe (62) is connected with and connects tube head (61).
5. the switchgear of buret according to claim 2, is characterized in that, is provided with compressing head (71) and elasticity turns one's head bar (72) in described special-shaped guide groove (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520237855.6U CN204666585U (en) | 2015-04-20 | 2015-04-20 | A kind of switchgear of buret |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520237855.6U CN204666585U (en) | 2015-04-20 | 2015-04-20 | A kind of switchgear of buret |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204666585U true CN204666585U (en) | 2015-09-23 |
Family
ID=54136956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520237855.6U Expired - Fee Related CN204666585U (en) | 2015-04-20 | 2015-04-20 | A kind of switchgear of buret |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204666585U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865344A (en) * | 2015-04-20 | 2015-08-26 | 苏州卫生职业技术学院 | Burette switching device |
-
2015
- 2015-04-20 CN CN201520237855.6U patent/CN204666585U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865344A (en) * | 2015-04-20 | 2015-08-26 | 苏州卫生职业技术学院 | Burette switching device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20170420 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |