CN206184462U

CN206184462U - Drainage rod

Info

Publication number: CN206184462U
Application number: CN201621252584.2U
Authority: CN
Inventors: 段益琴
Original assignee: Chongqing Industry Polytechnic College
Current assignee: Chongqing Industry Polytechnic College
Priority date: 2016-11-22
Filing date: 2016-11-22
Publication date: 2017-05-24
Anticipated expiration: 2026-11-22

Abstract

The utility model discloses a drainage rod belongs to the laboratory and uses equipment technical field, and it comprises handheld portion and drainage portion, handheld portion is a T font or L shape handle, drainage portion is hollow cylindrical tubular body, the outside longitudinal inclination of the body of rod court junction body of handle extends, the bar groove of indent is seted up to the upper surface of the body of rod along its incline direction, the bar groove feeds through with the well cavity of body. The utility model discloses simple structure, convenient to use is favorable to improving the accuracy that experiment solution was prepared, and improves experimental environment.

Description

A kind of conduction stick

Technical field

The utility model belongs to use for laboratory equipment technical field, and especially a kind of reaction solution is added another anti-by one kind Answer the chemical experiment conduction stick used in liquid.

Background technology

It is well known that carry out transfer liquid through conventional glass bar (abbreviation glass rod) in chemical experiment, due to the surface of glass rod Cylindrical structural, in addition operate when be typically to have inclined certain angle, if therefore when to its surface pouring soln misoperation, Have partially liq to be dripped along lower section wall due to Action of Gravity Field, cause this part solution to flow out outside container, not only waste, dirt Dye, and load responsive fluid deficiency can also influence experiment effect even failure.Even needing precision preparation requirement very high and measuring less Solution when, such as can only with 10mL or 25mL even more small volumetric flasks when, solution drainage effect is closed with the inclined degree of glass rod It is more obvious.As shown in figure 1, if inclination is excessive, glass rod is located at more than the graduation mark of volumetric flask, causes part solution holding Measuring bottle graduation mark top wall built-up, makes matched somebody with somebody solution concentration inaccurate；If inclining too small, although glass rod can be made to be located at volumetric flask scale Below line, but easily cause angle of inclination deficiency and be difficult to drainage procedure, or even easily the phenomenon that solution is splashed, meeting occur Have a strong impact on solution concentration.In this regard, in addition to requiring that operator is careful, often without good solution.Additionally, existing glass Rod structure design is single, is only made up of cylindrical barred body, also has the following disadvantages：1st, drainage effect is not good, and liquid easily spills； 2nd, in cylinder, easily drop, it is frangible；3rd, it is easily contaminated because the contact surface with solution exposes outside during use.Mirror In these technical problems, it is necessary to a kind of simple structure occur, conduction stick for chemical experiment easy to use.

Utility model content

In view of this, the purpose of this utility model is to provide a kind of conduction stick, can solve the problem that drainage effect, prepares solution The precision of concentration and use complete when be difficult pollution problem.

To reach above-mentioned purpose, the utility model provides following technical scheme：

A kind of conduction stick that the utility model is provided, it is made up of Handheld Division and conduction part, and the Handheld Division is one T-shaped Or L-shaped handle, the conduction part is hollow cylindrical tube, and the body of rod of the handle longitudinally inclines towards the outside of junction body Tiltedly extend, the upper surface of the body of rod offers the bar-shaped trough of indent along its incline direction, and the bar-shaped trough is hollow with body Chamber connects.

Further, length of the length of the body of rod less than body.

Further, the handle and body are integrally formed when making, and material is glass.

Further, the rail surface of the handle is provided with frosted tape, and the frosted tape is in strip, in the length side of cross bar Arrange upwards.

Further, it is set with the body in the fixed plug of back taper, material is wooden or rubber, the fixed plug exists External force effect is lower can to move along a straight line along the axial reciprocating of body.

Further, the bar-shaped trough is provided with arc on one end oral area away from body, and the arc is crescent Structure.

Compared with prior art, its remarkable advantage is the utility model：The utility model simple structure, it is easy to use, The trouble and worry of operator is relieved, may be such that experimental situation is improved, also cause that operator prepares high in low capacity bottle Can guarantee that its accuracy during precision solution, and liquid will not shed out volumetric flask and wall built-up more than volumetric flask graduation mark.

Other advantages of the present utility model, target and feature will be explained in the following description to a certain extent State, and to a certain extent, based on being will be apparent to those skilled in the art to investigating hereafter, or Person can be instructed from practice of the present utility model.Target of the present utility model and other advantages can be said by following Bright book is realized and obtained.

Brief description of the drawings

In order that the purpose of this utility model, technical scheme and advantage are clearer, below in conjunction with accompanying drawing to this practicality It is new preferably to describe in detail, wherein：

Fig. 1 is the schematic diagram of prior art conduction stick；

Fig. 2 is the schematic diagram of the utility model conduction stick；

Schematic diagram when Fig. 3 is the utility model conduction stick placing flat；

Reference：1 is conduction stick, and 2 is volumetric flask, and 3 fill in for fixed；Wherein 11 is Handheld Division, and 111 is the body of rod, and 112 are Cross bar, 113 is bar-shaped trough, and 114 is arc；12 is conduction part, and 121 is body, and 122 is middle cavity.

Specific embodiment

Below with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail；It should be appreciated that it is preferred that real Example is applied only for explanation the utility model, rather than in order to limit protection domain of the present utility model.

As shown in Fig. 2 a kind of conduction stick 1 that the present embodiment is provided, it is made up of Handheld Division 11 and conduction part 12, and this is hand-held Portion is a T-shaped or L-shaped handle, and the conduction part 12 is hollow cylindrical tube 121, and the body of rod 111 of the handle is towards junction The outside fore-and-aft tilt of body 121 extends, and the upper surface of the body of rod 111 offers the bar-shaped trough 113 of indent along its incline direction, The bar-shaped trough 113 is connected with the middle cavity 122 of body 121.So, when in conduction stick insertion volumetric flask, can be without excessive Consideration conduction stick gradient, and its conduction part can be made to be placed on below the graduation mark of volumetric flask, ensureing that solution smoothly flows Enter when in bottle, solution can be made not have region of the wall built-up more than graduation mark, it is ensured that the accuracy of solution concentration；This structure is led to The Handheld Division for having with conduction part and necessarily inclining and be connected is crossed, can be easy to topple over reaction solution, and the bar shaped by being set on Handheld Division Groove, can effectively ensure that conduction stick accesses solution, then be flowed into volumetric flask by the middle cavity of body, it is ensured that solution is not scattered Do not waste.

In the present embodiment, the length of the length less than body 121 of the body of rod 111.As shown in figure 3, so, by T-shaped Or the handle of L-shaped structure, the conduction stick can be made to pass through a cushion block placing flat on the table, will not tumble, be conducive to enhancing The solution of residual can be also flowed back in bar-shaped trough in its service life, and conduction stick, it is to avoid pollution.

In the present embodiment, the handle and body 121 are integrally formed when making, and material is glass.

In the present embodiment, the surface of cross bar 112 of the handle is provided with frosted tape (not shown), and the frosted tape is in bar Shape, arranges on the length direction of cross bar 112.So, when the conduction stick placing flat, can be by the cross bar hand with frosted tape Handle further strengthens the stability of its placement.

In the present embodiment, it is set with the body 121 in the fixed plug 3 of back taper, material is wooden or rubber or poly- Tetrafluoroethene, the fixed plug 3 can move along a straight line under external force (not including gravity) effect along the axial reciprocating of body 121.This Sample, on the one hand can liberate the hand of operator, on the other hand by the fixation plug by the hanging oral area in volumetric flask 2 of conduction stick Cushion block may act as in conduction stick placing flat by the fixation plug, and coordinates with T-shaped or L-shaped handle, voluntarily complete steady placement, And the back taper is designed, the volumetric flask of different size is suitable for；And the mobility between body and fixed plug, it is ensured that body Lower end smoothly can be inserted into below the graduation mark of volumetric flask, with ensure solution prepare accuracy.

In the present embodiment, the bar-shaped trough 113 is provided with arc 114, the arc on one end oral area away from body 121 Shape plate 114 is crescent structure.So, the conduction stick of placing flat can be made to be back to the liquid of bar-shaped trough by the design of the arc Body overflow will not go out bar-shaped trough because of excessive, and certainly in various embodiments, the bar-shaped trough is in the Single port near body Portion can also set the arc (not shown), can so avoid pouring soln during because of operation too fast, it is to avoid in inflow bar-shaped trough Solution overflow.

Finally illustrate, above example is only used to illustrate the technical solution of the utility model and unrestricted, although ginseng The utility model has been described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this The technical scheme of utility model is modified or equivalent, and without deviating from the objective and scope of the technical program, it all should Cover in the middle of right of the present utility model.

Claims

1. a kind of conduction stick, it is made up of Handheld Division and conduction part, it is characterised in that：The Handheld Division is a T-shaped or L-shaped hand Handle, the conduction part is hollow cylindrical tube, and the outside fore-and-aft tilt of the body of rod towards the junction body of the handle extends, The upper surface of the body of rod offers the bar-shaped trough of indent along its incline direction, and the bar-shaped trough is connected with the middle cavity of body.

2. a kind of conduction stick according to claim 1, it is characterised in that：Length of the length of the body of rod less than body.

3. a kind of conduction stick according to claim 1, it is characterised in that：The handle and body when making one into Type, material is glass.

4. a kind of conduction stick according to claim 1, it is characterised in that：The rail surface of the handle is provided with frosted Band, the frosted tape is in strip, is arranged on the length direction of cross bar.

5. a kind of conduction stick according to claim 1, it is characterised in that：It is set with the body in the fixation of back taper Plug, material is wooden or rubber or polytetrafluoroethylene (PTFE), and the fixed plug under external force can be along the axial reciprocating straight line of body Motion.

6. a kind of conduction stick according to claim 1, it is characterised in that：The bar-shaped trough is in one end oral area away from body Arc is provided with, the arc is crescent structure.