CN210037735U

CN210037735U - Titration apparatus with controllable dosage

Info

Publication number: CN210037735U
Application number: CN201920819509.7U
Authority: CN
Inventors: 刘洋; 孙佳帝
Original assignee: Changchun Vocational Institute of Technology
Current assignee: Changchun Vocational Institute of Technology
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-02-07
Anticipated expiration: 2029-06-03

Abstract

The utility model discloses a titration apparatus with controllable dosage, which relates to the technical field of medical science, and comprises a base, the side surface of the base is fixedly connected with the side surface of the lower end of a bearing rod, one end of a screw rod is movably connected with the inner bottom surface of the bearing rod, the other end of the screw rod passes through the lower surface of an upper wall fixed connection knob of the bearing rod, the other end of the screw rod is rotatably connected with the upper wall of the bearing rod, the screw rod is in threaded connection with one end of a first bracket and one end of a second bracket, the first bracket and the second bracket are in sliding connection with the side wall of the bearing rod, a burette passes through the first bracket and the second bracket, the upper end of the burette is fixedly communicated with the lower part of a pressure ball, the upper part of the pressure ball is fixedly communicated with the lower end of a funnel, a threaded cover is in threaded connection with the upper part of the funnel, the lower end of the burette is fixedly communicated with the upper end of a liquid outlet taper pipe, a, avoiding liquid splashing during the titration.

Description

Titration apparatus with controllable dosage

Technical Field

The utility model relates to a technical field in the aspect of medical science specifically is a controllable titration outfit of dose.

Background

The titration apparatus is a measuring device for holding titrant solution in titration operation, the burette is a slender glass tube with uniform inner diameter and scale, and the lower end of the tube is provided with a glass tip with different volumes of 25ml, 50ml and the like.

Most of titration outfit's buret all is immovable in the existing market, can only be applicable to the titration of an experiment bottle, can't be according to the difference of experiment bottle height and only adjust the height of buret for titration in-process buret is too far away from the experiment bottle and is made liquid sputter, influences the effect of titrating.

Disclosure of Invention

An object of the utility model is to provide a controllable titration outfit of dose to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a titration apparatus with controllable dosage comprises a base, wherein the side surface of the base is fixedly connected with the side surface of the lower end of a bearing rod, one end of a screw rod is movably connected with the inner bottom surface of the bearing rod, the other end of the screw rod penetrates through the lower surface of an upper wall fixed connection knob of the bearing rod, the other end of the screw rod is rotatably connected with the upper wall of the bearing rod, the screw rod is in threaded connection with one end of a first support and one end of a second support, the first support and the second support are in sliding connection with the side wall of the bearing rod, a titration tube is fixedly connected with through holes arranged on the first support and the second support, the titration tube penetrates through the first support and the second support, the upper end of the titration tube is fixedly communicated with the lower part of a pressure ball, the upper part of the pressure ball is fixedly communicated with the lower end of a funnel, the upper end of the funnel is provided with threads, a threaded cover is in threaded connection with the upper part of the funnel, the screw valve is in threaded connection with the lower end of the liquid outlet taper pipe, and the experiment bottle is placed on the upper surface of the base.

As a further aspect of the present invention: the side surface of the bearing rod is fixedly connected with two ends of the handle.

As a further aspect of the present invention: the equal fixedly connected with sucking disc in four corners department of the lower surface of base.

As a further aspect of the present invention: the side surface of the bearing rod is fixedly connected with the side surface of the storage frame.

As a further aspect of the present invention: the first support and the second support are made of transparent glass materials.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model is lifted out of the screw cap, liquid to be titrated is added into the burette through the funnel, the addition is stopped until the required amount is observed carefully through the scale on the burette, the quantitative effect is achieved, the screw valve is lifted tightly, so that the interior of the burette reaches an airtight state, the screw valve is lifted, the pressure ball is squeezed, liquid is dripped into the experiment bottle, experiment observation is carried out, the knob is rotated to rotate the screw rod, the first support and the second support are driven to move upwards or downwards, so that the burette moves up and down, the liquid outlet taper pipe can be closer to the liquid level in the experiment bottle, the liquid can be prevented from splashing in the titration process, meanwhile, the up-and-down movement of the burette can also adapt to the experiment bottles with different heights, and also avoid the phenomenon that when the height of the experiment bottle is too low, titration can let liquid splash out, avoids the experiment bottle when high too high, and the experiment bottle can't be put.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a side view of the middle support rod of the present invention.

Fig. 3 is an enlarged view of the position a of the present invention.

Fig. 4 is an enlarged view of the position B of the present invention.

As shown in the figure: 1. a base; 2. a support rod; 3. a knob; 4. a burette; 5. a first bracket; 6. a pressure ball; 7. a handle; 8. a storage frame; 9. a second bracket; 10. a funnel; 11. a threaded cap; 12. a screw valve; 13. a liquid outlet taper pipe; 14. a screw; 15. a suction cup; 16. and (4) an experimental bottle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in an embodiment of the present invention, a titration apparatus with controllable dosage includes a base 1, a support rod 2, a knob 3, a burette 4, a first support 5, a pressure ball 6, a handle 7, a storage frame 8, a second support 9, a funnel 10, a screw cap 11, a screw valve 12, a liquid outlet taper tube 13, a screw 14, a suction cup 15, and an experimental bottle 16, wherein the side of the lower end of the support rod 2 is fixedly connected to the side of the base 1, one end of the screw 14 is movably connected to the inner bottom surface of the support rod 2, the other end of the screw 14 passes through the upper wall of the support rod 2 and is fixedly connected to the lower surface of the knob 3, the other end of the screw 14 is rotatably connected to the upper wall of the support rod 2, the screw 14 is connected to one end of the first support 5 and one end of the second support 9 through threads, the first support 5 and the second support 9 are slidably connected to the side wall of the support rod 2, the burette 4 is fixedly connected to through holes formed, the burette 4 penetrates through the first support 5 and the second support 9, the first support 5 and the second support 9 are made of transparent glass, the upper end of the burette 4 is fixedly communicated with the lower part of the pressure ball 6, the upper part of the pressure ball 6 is fixedly communicated with the lower end of the funnel 10, the upper end of the funnel 10 is provided with threads, a threaded cover 11 is in threaded connection with the upper part of the funnel 10, the lower end of the burette 4 is fixedly communicated with the upper end of a liquid outlet conical pipe 13, the lower end of the liquid outlet conical pipe 13 is provided with threads, a screw valve 12 is in threaded connection with the lower end of the liquid outlet conical pipe 13, an experimental bottle 16 is supported on the upper surface of the base 1, the threaded cover 11 is lifted out, liquid to be titrated is added into the burette 4 through the funnel 10, the addition is stopped until the required amount is observed carefully through scales on the burette 4, the quantitative effect is achieved, the screw valve 12 is lifted tightly, so that the inside of the burette 4, extrusion pressure ball 6, make liquid go in dripping experiment bottle 16, carry out the experiment and observe, it makes screw rod 14 rotate to rotate knob 3, drive first support 5 and second support 9 upwards or move down, make buret 4 reciprocate, make play liquid taper pipe 13 can be close the inside liquid level of experiment bottle 16 more, avoid can spattering at the in-process liquid of titration, the reciprocating of buret 4 simultaneously, also can adapt to not co-altitude experiment bottle 16, when avoiding experiment bottle 16 height too short equally, it can let liquid spatter out to titrate, when avoiding experiment bottle 16 height too high, experiment bottle 16 can't put.

The both ends of the side fixed connection handle 7 of holding rod 2, handle 7 are convenient will the utility model discloses whole mentioning moves the position of difference.

The equal fixedly connected with sucking disc 15 in four corners department of the lower surface of base 1 for base 1 is more firm when fixing on the desk.

The side of the support rod 2 is fixedly connected with the side of the storage frame 8, and a thread cover 11 and a screw valve 12 which are lifted can be placed in the storage frame 8.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A titration apparatus with controllable dosage comprises a base (1) and is characterized in that the side surface of the lower end of a bearing rod (2) is fixedly connected with the side surface of the lower end of the base (1), one end of a screw rod (14) is movably connected with the inner bottom surface of the bearing rod (2), the other end of the screw rod (14) penetrates through the lower surface of an upper wall fixed connection knob (3) of the bearing rod (2), the other end of the screw rod (14) is rotatably connected with the upper wall of the bearing rod (2), the screw rod (14) is in threaded connection with one end of a first support (5) and one end of a second support (9), the first support (5) and the second support (9) are in sliding connection with the side wall of the bearing rod (2), a titration tube (4) is fixedly connected with through holes formed in the first support (5) and the second support (9), the titration tube (4) penetrates through the first support (5) and the second support (9), and the upper end of the titration tube (4) is fixedly communicated with the lower part of a pressure ball (6), the upper portion of the pressure ball (6) is fixedly communicated with the lower end of the funnel (10), the upper end of the funnel (10) is provided with threads, the threaded cover (11) is in threaded connection with the upper portion of the funnel (10), the lower end of the burette (4) is fixedly communicated with the upper end of the liquid outlet taper pipe (13), the lower end of the liquid outlet taper pipe (13) is provided with threads, the screw valve (12) is in threaded connection with the lower end of the liquid outlet taper pipe (13), and the experiment bottle (16) is placed on the upper surface of the base (1).

2. The titration device according to claim 1, wherein the support rod (2) is fixed at both ends of the handle (7).

3. The titration device according to claim 1, wherein the suction cups (15) are fixedly connected to the four corners of the lower surface of the base (1).

4. The titration device according to claim 1, wherein the support rod (2) is fixedly connected to the side of the frame (8).

5. The titration device according to claim 1, wherein the first support (5) and the second support (9) are made of transparent glass.