CN206285927U - Separatory funnel - Google Patents

Abstract

The utility model belongs to Laboratory Instruments field, specially a kind of separatory funnel, including bottle, there is bottleneck at the top of the bottle, the bottleneck has drain pipe built with bottle stopper, the bottom of the bottle, the cock set of cock is set in being provided with the drain pipe, the cock is provided with through hole, and the cock rear end is provided with cock fixture, and front end is provided with handle；The cock is provided with rotary positioning apparatus, the rotary positioning apparatus include limited block, gear piece and swingable catch, the limited block is in cock set circumference, the gear piece and catch are located between two pieces of limited blocks, in the cock, the catch puts the gear piece located at the cock；When the limited block and the gear piece offset, the through hole is in standard-sized sheet or fully closed state.Bad positioning when the utility model solves the problems, such as that the switch of separatory funnel is reversed.

Description

Separatory funnel

Technical field

The utility model belongs to Laboratory Instruments field, particularly belongs to a kind of separatory funnel.

Background technology

During chemical experiment, the extraction and separation of material are carried out usually using separatory funnel.During experiment, it would be desirable to The solution of extraction in the container, by container good seal after, manually rock, stand makes liquid layered afterwards.At this moment, two-phase liquid There is a boundary between body.Opening switch flows out lower floor's liquid.When boundary is reached at liquid outlet, closing switch. The liquid of the lower floor below boundary is flowed out, and supernatant liquid more than boundary is stayed in separatory funnel.Afterwards will be upper Layer liquid is poured out from bottleneck, so as to realize two kinds of immiscible separation of liquid.

In experimentation, the bad assurance of dynamics used, often occurs during due to turn switch, reverses not in place, opening Not closed and excessive, the situation about opening being outwarded winding again after closing of torsion.Cause to have missed the opportunity of closing switch, make Layer liquid outflow.

Particularly when there is small part liquid under boundary.At this moment, the osculum that often needs to outward winding slowly is put Liquid.And the simple dynamics only by staff of existing separatory funnel is held, it is difficult to recall a low-angle.When firmly too small Then without rotating switch.And when firmly excessive, then causing switch rotary excessively, switch opening is excessive, a large amount of in the liquid short time Outflow, causes supernatant liquid also to flow out, and makes separation excessive.

Bad positioning when therefore, for the switch torsion for solving the problems, such as separatory funnel, it is necessary to which exploitation is a kind of to have rotation Turn the separatory funnel of positioning action, be more easily controlled the torsion of the switch of separatory funnel.

Utility model content

Bad positioning when being reversed for the switch for solving the problems, such as separatory funnel, the utility model provides a kind of point of liquid leakage Bucket.

Separatory funnel in this programme, including bottle, there is bottleneck at the top of the bottle, the bottleneck built with bottle stopper, Drain pipe is arranged at the bottom of the bottle, and the interior cock set for setting cock is provided with the drain pipe, and the cock is provided with through hole, The cock rear end is provided with cock fixture, and front end is provided with handle；The cock is provided with rotary positioning apparatus, and the rotation is determined Position device include limited block, gear piece and swingable catch, the limited block located at the cock set circumference on, the gear piece and Catch is located between two pieces of limited blocks, and in the cock, the catch puts the gear piece located at the cock；When described When limited block and the gear piece offset, the through hole is in standard-sized sheet or fully closed state.

The switch of separatory funnel of the prior art due to being not provided with spacing and positioner, completely by the dynamics of staff Go to hold, cause regulation to be not easy positioning.The utility model sets rotary positioning apparatus at cock and limits the rotation of cock Between through hole standard-sized sheet and standard-sized sheet, positioning is can be good at when turning off through hole, is not in the situation for closing leakage not in place, Be not in rotation excessively and through hole outwarded winding and causes the situation of leakage.And in through hole standard-sized sheet to setting gear piece between fully closed And catch, contact of the gear piece with catch produces the effect that rotation pauses, so that be rotated at the size of different through holes pausing.When During the through hole of the required aperture that needs are rotated out of, rotation can be accurately positioned such that it is able to preferably control the flow velocity of liquid, make The separation of separatory funnel is easier control.

More preferably, the circumference of the cock set is provided with dial.

Dial is marked with angle index, and the position where control handle can intuitively find out the windup-degree of handle, So as to know the size of the aperture of through hole, and understand that needs rotation can make through hole standard-sized sheet or fully closed several times.

More preferably, the dial is transparent cylinder, and the center of circle and the cock center concurrent of the dial, the rotation are determined Position device is located at dial the inside.

Rotary positioning apparatus are located at into dial the inside using the disc structure of dial simplifies the structure of separatory funnel, And rotary positioning apparatus can be intuitively seen so as to know current through hole state in which, the regulation of flow velocity of being more convenient for.

More preferably, the number of the gear piece or catch is more than 2.Cock can be made repeatedly to be paused during rotation.

More preferably, the angle between the scale of the dial and adjacent gear piece or catch is corresponding.

When the scale value of dial is equal, the angle between adjacent gear piece or catch is equal, rotates the angle paused It is equal.When the scale of dial is progressive relationship, adjacent gear piece or the angle of catch are accordingly progressive relationship.Can be Separatory funnel close to it is fully closed when set one pause.When the boundary proximity switch of separatory funnel, set by this, rotation Go out an appropriate slow flow velocity.

Brief description of the drawings

In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is side structure schematic diagram of the present utility model；

Fig. 2 is rotary positioning apparatus structural representation of the present utility model；

Fig. 3 is positive structure schematic of the present utility model；

Fig. 4 is the rotary positioning apparatus structural representation of another embodiment of the present utility model.

Specific embodiment

The utility model is described in further detail below by specific embodiment：

Reference in Figure of description includes：Bottle 2, bottle stopper 1, drain pipe 3, cock 13, handle 5, dial 6, It is cock fixture 7, through hole 8, cock set 9, cock set connector 10, nut 11, two-way torsion spring 14, catch 15, gear piece 12, spacing Block 16.

Embodiment 1

Bottleneck is arranged at separatory funnel as shown in Figure 1, 2, 3, including bottle 2, the top of the bottle 2, and the bottleneck is built-in Drain pipe 3 is arranged at the bottom for having bottle stopper 1, the bottle, and the interior cock set 9 for setting cock 13, the rotation are provided with the drain pipe 3 Plug 13 is provided with through hole 8, and the rear end of the cock 13 is provided with cock fixture 7, and front end is provided with handle 5；The cock 13 is provided with Rotary positioning apparatus, the rotary positioning apparatus include limited block 16, gear piece 12 and swingable catch 15, the limited block 16 Covered in 9 circumferences located at the cock, the gear piece 12 and catch 15 are located between two pieces of limited blocks 16, when the He of the limited block 16 When the gear piece 12 or catch 15 offset, the through hole 8 is in standard-sized sheet or fully closed state；When the gear piece 12 and catch 15 connect When touching, the rotation of the cock 13 pauses.The circumference of the cock set 9 is provided with dial 6.The dial is transparent circle Cylinder, the center of circle and the center concurrent of cock 13 of the dial 6, the rotary positioning apparatus are located at the inside of the dial 6.It is described Gear piece 12 is arranged in the cock 13, and catch 15 is arranged on the dial 6.The number of the gear piece 12 is more than 2.It is described Angle between the scale of dial 6 and adjacent gear piece 12 or catch 15 is corresponding.

Using rotary positioning apparatus, the rotation of cock is set easily to position.During rotary handle 5, handle 5 drives gear piece 12 to rotate Contact catch 15.The twisting resistance that hand needs offer larger makes gear piece 12 pass through the obstruction of catch 15, and a piece of gear piece 15 passes through catch After 12, decline a piece of gear piece 12 under making naturally due to hand-power degree and stopped by catch 15.Make handle 5 is rotated in a fixed angle Degree is lower to pause, so as to lentamente make through hole open or close, improves the controllability of rotation, makes the flow velocity of separatory funnel more easily-controllable System.

Rotary positioning apparatus are arranged in dial, visualize rotary positioning apparatus such that it is able to intuitively to judge The aperture of through hole, and the aperture of through hole is more intuitively controlled, so that the flow control of separatory funnel is more accurate.And will rotation Rotation positioning device is arranged on the structure of the dial made full use of in dial, makes the structure of separatory funnel more compact.

Embodiment 2

Separatory funnel as shown in Fig. 1,3,4, including bottle 2, the top of the bottle 2 are provided with bottleneck, in the bottleneck It is provided with bottle stopper 1；The drain pipe 3 of integrated molding is arranged at the bottom of the bottle 2, and cock set 9, institute are provided with the drain pipe 3 State cock 13 of the cock set 9 built with cone；The terminal part of cock 13 has a cock fixture 7, cock fixture 7 by cock with Rotatably it is fixed in cock set 9；There is a through hole 8 that can be connected with drain pipe 3 in cock 13, before cock 13 End is connected with handle 5.

Dial 6 is provided with the inner side of handle 5 and on the outer wall of cock set 9.Dial 6 is marked with 0 degree to 90 degree Angle index value.Be 0 degree with 9 o'clock direction, 12 o'clock direction be 90 degree.Ten deciles between 0 to 90 are spent, and in dial Ten bisectors are drawn on 6 and scale value is put on successively.

Cock set connector 10 is provided with integrally formed two pieces of limited blocks 16, and when handle 5 is in 90 degree, through hole 8 is complete Open, the position of gear piece 12 is in 9 points to 12 o'clock direction.Now, limited block 16 limits the gear piece 12 in 12 o'clock direction to 1 o'clock Move in direction.When handle 5 goes to 0 degree, through hole 8 is in closure state, and gear piece 12 is in 6 points to 9 o'clock direction.Now, separately The gear piece 12 that one limited block 16 limits 6 o'clock direction is moved to 5 o'clock direction.So that the rotation of handle is controlled at 0 degree to 90 In the range of degree, the state of corresponding through hole 8 is fully closed to standard-sized sheet.

Rotary positioning apparatus are located in cock set 9.There is cock to cover connector 10 in cock set and be arranged at cock set connection Catch 15 on part 10.Perforate on 9 can be covered in cock, cock is covered into connector 10 by way of the connection of screw bolt and nut 11 It is fixed.Catch 15 is covered on connector 10 by two-way torsion spring 14 with can in an oscillatory manner be installed on cock.The front portion of cock 13 Radius less than cock set radius.Cock 13 is provided with 10 gear pieces 12.All pass through round bar per the face where a piece of gear piece 12 17 center line.Catch 14 can be in contact when handle 5 drives gear piece 12 to rotate with gear piece 12, and the tooth in rotary handle 5 Piece 12 can push catch 15, so as to pass through catch 15.

When doing extraction experiments, handle 5 is screwed into 0 degree of direction, closes the through hole 8 of separatory funnel.Separate two will be needed Plant liquid to be poured into separatory funnel from bottle mouth position, beyond the Great Wall bottle stopper 1.Rocking separatory funnel is fully contacted liquid.Afterwards, by a point liquid Funnel is placed on iron stand and stands.Solution layering after standing, forms boundary.Beaker is placed in the lower end of drain pipe 3.Toward 90 degree Direction rotary handle 5, opens through hole 8.When boundary from through hole 8 farther out when, the aperture of through hole 8 can be tuned up, such as regulation arrive At 90 degree of scale, through hole 8 is set to open completely, now current are most fast.The aperture of through hole 8 is adjusted when boundary is close to through hole It is small, such as it is transferred to 10 degree.Now the small range of through hole 8 is opened, and water velocity is most slow.Boundary lentamente at cock 13, works as phase Interface is reached when at cock 13, and handle 5 is rotated at 0 degree of scale, through hole 8 is closed completely.

Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to Assert that specific implementation of the present utility model is confined to these explanations.For the ordinary skill of the utility model art For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all regarded To belong to protection domain of the present utility model.

Claims (5)

1. separatory funnel, including bottle, there is bottleneck at the top of the bottle, the bottleneck is built with bottle stopper, the bottom of the bottle There is drain pipe in portion, and the interior cock set for setting cock is provided with the drain pipe, and the cock is provided with through hole, the cock rear end Cock fixture is provided with, front end is provided with handle；It is characterized in that：The cock is provided with rotary positioning apparatus, the rotational positioning Device includes limited block, gear piece and swingable catch, the limited block in cock set circumference, the gear piece and gear Piece is located between two pieces of limited blocks, and in the cock, the catch puts the gear piece located at the cock；When the limit When position block and the gear piece offset, the through hole is in standard-sized sheet or fully closed state.

2. separatory funnel according to claim 1, it is characterized in that, the circumference of the cock set is provided with dial.

3. separatory funnel according to claim 2, it is characterized in that, the dial is transparent cylinder, the dial The center of circle and cock center concurrent, the rotary positioning apparatus are located at dial the inside.

4. the separatory funnel according to Claims 2 or 3, it is characterized in that, the number of the gear piece or catch is more than 2.

5. separatory funnel according to claim 4, it is characterized in that, the scale of the dial and adjacent gear piece or catch it Between angle it is corresponding.