CN209866083U - Chemical reactor - Google Patents

Abstract

The utility model relates to a chemical reaction equipment technical field just discloses a chemical reactor, including the glass pipe, the plastic tubing has been cup jointed to the top screw thread of glass pipe, the top fixed mounting of plastic tubing has the rubber cap, the fixed closing plate that has cup jointed in top in plastic tubing inner chamber, the slide bar has been cup jointed in the inside activity of closing plate, the air vent that is located the slide bar left and right sides is seted up to the inside of closing plate. This chemical reactor, through pressing the briquetting, the slide bar, mutually support between elastic spring and the closing plate, the slide bar can reciprocate in the inside of closing plate, elastic spring provides elasticity that makes progress to pressing the briquetting, when people extrude intraductal medicament through pressing the rubber cap, the rubber cap has good crushing resistance under elastic force of elastic spring, thereby avoid the rubber cap to cause the medicament to add excessive problem because of producing huge deformation, and then the medicament addition of convenient to use person control this burette.

Description

a chemical reactor

technical field

The utility model relates to the technical field of chemical reaction equipment, in particular to a chemical reactor.

Background technique

Chemical reaction equipment is an indispensable auxiliary tool for people to conduct chemical experiments, observe chemical reaction phenomena, and prepare chemical substances. The accuracy and practicability of a chemical reaction equipment directly affect the results of chemical experiments.

The rubber dropper is an indispensable auxiliary tool in chemical reaction experiments. The existing rubber dropper is usually composed of a rubber cap and a glass tube. When using a rubber dropper for chemical experiments, it must pass through the rubber dropper. Strictly control the dose of reagents added in the chemical experiment process. The existing rubber dropper controls the amount of reagents added in the glass tube by pressing the rubber cap. Because the rubber cap is soft, a little force will cause a large deformation , so it is difficult for people to control the amount of medicine added inside the rubber dropper through the rubber cap. At the same time, after the rubber dropper is used, users are used to placing the rubber dropper horizontally. At this time, the remaining reagent in the rubber dropper is easy Backflow into the rubber cap, when the reagent is corrosive, the rubber cap is easily damaged by the corrosive reagent, thereby reducing the practicability of the existing rubber head dropper.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides a chemical reactor, which has the advantages of being convenient to control the dosage of the chemical added to the dropper of the rubber head and avoiding the backflow of the chemical to corrode the rubber cap, and solves the problems mentioned in the above-mentioned background technology .

The utility model provides the following technical solutions: a chemical reactor, comprising a glass tube, the top of the glass tube is threadedly connected with a plastic tube, the top of the plastic tube is fixedly equipped with a rubber cap, and the top of the inner cavity of the plastic tube A sealing plate is fixedly sleeved, and a sliding rod is movably sleeved inside the sealing plate. Ventilation holes located on the left and right sides of the sliding rod are provided inside the sealing plate, and rubber caps located on the top of the sliding rod are fixedly installed. The inner pressing block, the top surface of the pressing block is in contact with the top surface of the inner cavity of the rubber cap, and the outer surface of the slider is movably sleeved with an elastic spring, and the upper and lower ends of the elastic spring are respectively connected to the bottom surface of the pressing block. It is fixedly connected with the top surface of the sealing plate, and the bottom end of the sliding rod is fixedly sleeved with a baffle plate and a sealing gasket under the sealing plate.

Preferably, the top of the glass tube is provided with an inner slot, the bottom of the plastic tube is provided with an outer slot, and the positions where the inner slot and the outer slot are in contact are provided with screws that fit each other.

Preferably, the rubber cap has a circular elastic cavity structure, and the top surface of the pressing block matches the top surface of the inner chamber of the rubber cap.

Preferably, a sliding groove is opened inside the sealing plate, and the sliding rod is movably socketed inside the sliding groove.

Preferably, the sealing gasket is located between the baffle plate and the sealing plate, and the diameter of the sealing gasket is greater than the distance between the two vent holes on the far side.

Compared with the prior art, the utility model has the following beneficial effects:

1. In this chemical reactor, through the mutual cooperation between the pressing block, the sliding rod, the elastic spring and the sealing plate, the sliding rod can move up and down inside the sealing plate, and the elastic spring provides upward elastic force for the pressing block. When people press the rubber When the cap extrudes the drug in the tube, the rubber cap has good pressure resistance under the elastic force of the elastic spring, so as to avoid the problem of excessive drug addition due to the huge deformation of the rubber cap, and facilitate the user to control the drug in the dropper Add amount.

2. In the chemical reactor, through the mutual cooperation between the pressing block, the sliding rod, the elastic spring, the sealing plate and the baffle, the elastic spring provides upward elastic force to the pressing block so that the gasket above the baffle is in contact with the bottom of the sealing plate. Contact, the sealing pad can cover the bottom of the sealing plate so that the inside of the rubber cap forms a closed cavity structure, thereby preventing the medicine in the dropper of the rubber head from flowing back into the inside of the rubber cap and causing corrosion damage to the rubber cap.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the enlarged schematic diagram of the structure of A place of the utility model;

Fig. 3 is the enlarged schematic view of the structure at the B place of the utility model;

Fig. 4 is a schematic diagram of the three-dimensional structure of the sealing plate of the present invention.

In the figure: 1. Glass tube; 2. Plastic tube; 3. Sealing plate; 4. Elastic spring; 5. Slide bar; 6. Ventilation hole; 7. Pressing block; Outer card slot; 11, screw; 12, inner card slot; 13, gasket; 14, rubber cap.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1-4, a chemical reactor, including a glass tube, the top of the glass tube 1 is threaded with a plastic tube 2, the bottom of the glass tube 1 is provided with a liquid port, and the plastic tube 2 and the glass tube 1 can be twisted separate, so that the rubber dropper is easy to clean, the top of the plastic tube 2 is fixedly equipped with a rubber cap 14, the top of the glass tube 1 is provided with an inner slot 12, and the bottom of the plastic tube 2 is provided with an outer slot 10, and The positions where the inner card slot 12 and the outer card slot 10 are in contact are provided with mutually compatible screws 11, the rubber cap 14 is a circular elastic cavity structure, and the top surface of the pressing block 7 is in contact with the top of the inner cavity of the rubber cap 14. The surface is compatible, the top of the inner cavity of the plastic pipe 2 is fixedly sleeved with a sealing plate 3, the inside of the sealing plate 3 is provided with a chute 9, the sliding rod 5 is movably socketed inside the chute 9, and the inner movable sleeve of the sealing plate 3 Connected with the slide bar 5, the inside of the sealing plate 3 is provided with vent holes 6 located on the left and right sides of the slide bar 5, and the top of the slide bar 5 is fixedly installed with a pressing block 7 located inside the rubber cap 14, and the top surface of the pressing block 7 is in contact with the rubber cap 14. The top surface of the inner cavity of the rubber cap 14 is in contact, and the outer surface of the slide bar 5 is movably sleeved with an elastic spring 4, which provides upward elastic force to the pressing block 7. When people press the rubber cap 14 to squeeze out the medicine in the tube, the rubber The cap 14 has good compression resistance under the elastic force of the elastic spring 4, thereby avoiding the problem of excessive medicament addition caused by the huge deformation of the rubber cap 14, thereby facilitating the user to control the amount of medicament added to the dropper. The elastic spring 4 The upper and lower ends of the sliding rod 5 are respectively fixedly connected with the bottom surface of the pressing block 7 and the top surface of the sealing plate 3, and the bottom end of the slide bar 5 is fixedly sleeved with a baffle plate 8 and a sealing gasket 13 located below the sealing plate 3, and 4 pairs of elastic springs press The block 7 provides an upward elastic force so that the sealing gasket 13 above the baffle plate 8 is in contact with the bottom of the sealing plate 3, and the sealing gasket 13 can cover the bottom of the sealing plate 3 so that a closed cavity structure is formed inside the rubber cap 14, thereby avoiding The medicament in the rubber dropper returns to the inside of the rubber cap 14 and causes corrosion damage to the rubber cap 14. The sealing gasket 13 is located between the baffle plate 8 and the sealing plate 3, and the diameter of the sealing gasket 13 is larger than that of the two vent holes 6. distance between sides.

During use, at first press the top of rubber cap 14 downwards, press block 7, slide bar 5 and baffle plate 8 move downwards, insert the bottom end of glass tube 1 inside medicine bottle at this moment, let go of rubber cap 14 elastic spring 4 Provide upward elastic force to the pressing block 7 and make it move upwards. At this time, a negative pressure is generated inside the rubber dropper to suck the medicine into the inside of the rubber dropper. When adding medicine, you only need to press down on the top of the rubber cap 14 to make the rubber cap 14 It is enough to deform downwards and extrude the medicine in the dropper of the glue tip. When the dropper of the glue tip is placed horizontally, the elastic spring 4 provides upward elastic force to the pressing block 7 so that the sealing gasket 13 above the baffle plate 8 and the sealing plate 3 The bottom of the sealing pad 13 can cover the bottom of the sealing plate 3 so that the inside of the rubber cap 14 forms a closed cavity structure.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. A chemical reactor comprising a glass tube (1), characterized in that: the top screw thread of glass pipe (1) has cup jointed plastic tubing (2), the top fixed mounting of plastic tubing (2) has rubber cap (14), the fixed closing plate (3) that has cup jointed in top of plastic tubing (2) inner chamber, slide bar (5) have been cup jointed in the inside activity of closing plate (3), air vent (6) that are located slide bar (5) left and right sides are seted up to the inside of closing plate (3), the top fixed mounting of slide bar (5) has the inside pressure piece (7) that is located rubber cap (14), the top surface that presses piece (7) contacts with the top surface of rubber cap (14) inner chamber, the surface activity of slide bar (5) has cup jointed elastic spring (4), the upper and lower both ends of elastic spring (4) respectively with the bottom surface that presses piece (7) and the top surface fixed connection of closing plate (3), the fixed cover of slide bar (5) has connect baffle (8) and sealed pad (13) that are located closing plate (3) below .

2. A chemical reactor as defined in claim 1, wherein: interior draw-in groove (12) have been seted up at the top of glass pipe (1), outer draw-in groove (10) have been seted up to the bottom of plastic tubing (2), and the position that interior draw-in groove (12) and outer draw-in groove (10) contacted all is equipped with screw (11) of mutual adaptation.

3. A chemical reactor as defined in claim 1, wherein: the rubber cap (14) is of a circular elastic cavity structure, and the top surface of the pressing block (7) is matched with the top surface of the inner cavity of the rubber cap (14).

4. A chemical reactor as defined in claim 1, wherein: the sealing plate (3) is internally provided with a sliding groove (9), and the sliding rod (5) is movably sleeved in the sliding groove (9).

5. A chemical reactor as defined in claim 1, wherein: the sealing gasket (13) is positioned between the baffle plate (8) and the sealing plate (3), and the diameter of the sealing gasket (13) is larger than the distance between the two vent holes (6) far away from one side.