CN214860107U

CN214860107U - Nitroglycerin aerosol quantitative administration valve

Info

Publication number: CN214860107U
Application number: CN202023072570.1U
Authority: CN
Inventors: 荣忠满; 梁晓和
Original assignee: Jining Weimin Pharmaceutical Co ltd
Current assignee: Jining Weimin Pharmaceutical Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-11-26
Anticipated expiration: 2030-12-18

Abstract

The utility model discloses a nitroglycerin aerosol ration valve of dosing, including a quantification section of thick bamboo, the fixed feed liquor pipe that is equipped with of one end of a quantification section of thick bamboo, the fixed feed liquor valve that is equipped with in middle part of feed liquor pipe, the fixed drain pipe that is equipped with in other end of a quantification section of thick bamboo, the fixed drain valve that is equipped with in middle part of drain pipe, the fixed atomizer that is equipped with of one end of drain pipe, the fixed negative pressure pipe that is equipped with in middle part of a quantification section of thick bamboo, the fixed control valve that is equipped with in middle part of negative pressure pipe, the fixed subassembly that breathes in that is equipped with of one end of negative pressure pipe, the beneficial effects of the utility model are that: can be with the inside formation negative pressure state of a dosing section of thick bamboo through the subassembly of breathing in that sets up to can be with the liquid medicine suction in the medicament bottle to among the dosing section of thick bamboo, through opening and closing of the feed liquor valve that sets up and play liquid valve, can guarantee that the medicament volume of spraying at every turn is all the same, guaranteed treatment: the matching between the suction component and the control valve is convenient for the liquid medicine in the quantitative cylinder to be atomized and sprayed out through the atomizing nozzle.

Description

Nitroglycerin aerosol quantitative administration valve

Technical Field

The utility model relates to a valve of dosing, in particular to nitroglycerin aerosol ration valve of dosing belongs to medical appliances technical field.

Background

The nitroglycerin aerosol is used for preventing and treating coronary heart disease and angina pectoris, mainly contains nitroglycerin, and is added with a proper amount of propellant; when angina pectoris attacks, spraying to sublingual mucosa of oral cavity, taking off the spray cap, sleeving the housing on the spray head, inverting the bottle body, pressing the valve with the housing aiming at sublingual mucosa of oral cavity, and spraying the medicinal liquid into oral cavity in form of mist. However, the amount of the medicament sprayed each time is not easy to determine at present, and the treatment effect is easily influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a nitroglycerin aerosol ration valve of dosing to the medicament volume of spraying at every turn that provides is not convenient for carry out the problem of confirming in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a nitroglycerin aerosol quantitative administration valve comprises a quantitative cylinder, one end of the quantitative cylinder is fixedly provided with a liquid inlet pipe, a liquid inlet valve is fixedly arranged in the middle of the liquid inlet pipe, a liquid outlet pipe is fixedly arranged at the other end of the quantifying cylinder, a liquid outlet valve is fixedly arranged in the middle of the liquid outlet pipe, one end of the liquid outlet pipe is fixedly provided with an atomizing nozzle, a negative pressure pipe is fixedly arranged in the middle of the quantitative cylinder, a control valve is fixedly arranged in the middle of the negative pressure pipe, one end of the negative pressure pipe is fixedly provided with an air suction assembly, the air suction assembly comprises a piston pipe and a connecting sleeve, the connecting sleeve is fixedly arranged at the end part of the piston tube, the connecting sleeve is sleeved at one end of the negative pressure tube, the inside sliding connection of piston pipe has the piston board, the fixed connecting rod that is equipped with in middle part of piston board, the fixed handle that is equipped with of one end of connecting rod.

As an optimized technical scheme of the utility model, connecting sleeve's inner wall is fixed and is equipped with the sealing washer.

As an optimized technical scheme of the utility model, the middle part of piston pipe one end seted up with the corresponding through-hole of connecting rod.

As an optimal technical scheme of the utility model, the fixed coupling hose that is equipped with of one end of feed liquor pipe, coupling hose's the fixed connecting cylinder that is equipped with of one end.

As an optimized technical scheme of the utility model, the fixed surface of a ration section of thick bamboo is equipped with the scale mark.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a nitroglycerin aerosol ration valve of dosing can be with the inside negative pressure state that forms of a dosing section of thick bamboo through the subassembly of breathing in that sets up to can be with the liquid medicine suction in the medicament bottle among to a dosing section of thick bamboo, through opening and closing of the feed liquor valve that sets up and play liquid valve, can guarantee that the medicament volume of spraying at every turn is all the same, guaranteed treatment: the matching between the suction component and the control valve is convenient for the liquid medicine in the quantitative cylinder to be atomized and sprayed out through the atomizing nozzle.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the cross-sectional structure of the air suction assembly of the present invention.

In the figure: 1. a dosing cylinder; 2. a liquid inlet pipe; 3. a liquid inlet valve; 4. a connecting hose; 5. a connecting cylinder; 6. a liquid outlet pipe; 7. a liquid outlet valve; 8. an atomizing spray head; 9. a negative pressure tube; 10. a getter assembly; 101. a piston tube; 102. a connecting sleeve; 103. a seal ring; 104. a piston plate; 105. a connecting rod; 106. a through hole; 107. a handle; 11. a control valve; 12. scale lines are marked.

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. 1-2, the utility model provides a nitroglycerin aerosol quantitative dosing valve, which comprises a dosing cylinder 1, a liquid inlet pipe 2 is fixedly arranged at one end of the dosing cylinder 1, a liquid inlet valve 3 is fixedly arranged at the middle part of the liquid inlet pipe 2, a liquid outlet pipe 6 is fixedly arranged at the other end of the dosing cylinder 1, a liquid outlet valve 7 is fixedly arranged at the middle part of the liquid outlet pipe 6, an atomizing nozzle 8 is fixedly arranged at one end of the liquid outlet pipe 6, a negative pressure pipe 9 is fixedly arranged at the middle part of the dosing cylinder 1, a control valve 11 is fixedly arranged at the middle part of the negative pressure pipe 9, an air suction component 10 is fixedly arranged at one end of the negative pressure pipe 9, the air suction component 10 comprises a piston pipe 101 and a connecting sleeve 102, the connecting sleeve 102 is fixedly arranged at the end part of the piston pipe 101, the connecting sleeve 102 is sleeved at one end of the negative pressure pipe 9, a piston plate 104 is slidably connected inside the piston pipe 101, a connecting rod 105 is fixedly arranged at the middle part of the piston plate 104, a handle 107 is fixedly provided at one end of the connecting rod 105.

Preferably, the inner wall of the connecting sleeve 102 is fixedly provided with a sealing ring 103, so that the sealing performance of the connecting part is ensured, and air leakage is avoided; a through hole 106 corresponding to the connecting rod 105 is formed in the middle of one end of the piston tube 101, and the connecting rod 105 can move conveniently through the through hole 106, so that the connecting rod 105 cannot be interfered; one end of the liquid inlet pipe 2 is fixedly provided with a connecting hose 4, one end of the connecting hose 4 is fixedly provided with a connecting cylinder 5, and the connecting hose 4 and the connecting cylinder 5 are arranged to be conveniently connected with a liquid discharge pipe of the medicament bottle; the surface of the quantitative cylinder 1 is fixedly provided with scale marks 12, which is convenient for determining the medicament amount in the quantitative cylinder 1.

When specifically using, the utility model relates to a nitroglycerin aerosol ration valve of dosing, at first be connected connecting cylinder 5 with the fluid-discharge tube of medicament bottle, close feed liquor valve 3 and drain valve 7, then open control valve 11, remove through handle 107 pulling piston board 104, thereby take out the air of a dosing section of thick bamboo 1 inside, thereby make the inside of a dosing section of thick bamboo 1 be in negative pressure state, close control valve 11 after that, open feed liquor valve 3, the inside liquid medicine of medicament bottle gets into to the inside of a dosing section of thick bamboo 1, then close feed liquor valve 3, open control valve 11 and drain valve 7, promote piston board 104 through handle 107 and remove in the inside of piston pipe 101, pass through

drain pipe

6 and 8 atomizing spray of atomizer with the inside liquid medicine of a dosing section of thick bamboo 1, guarantee that the medicament volume of spraying at every turn is all the same.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a nitroglycerin aerosol ration valve of dosing, includes a quantification section of thick bamboo (1), its characterized in that, the fixed feed liquor pipe (2) that is equipped with of one end of a quantification section of thick bamboo (1), the fixed feed liquor valve (3) that is equipped with in middle part of feed liquor pipe (2), the fixed drain pipe (6) that is equipped with in other end of a quantification section of thick bamboo (1), the fixed drain valve (7) that is equipped with in middle part of drain pipe (6), the fixed atomizer (8) that is equipped with in one end of drain pipe (6), the fixed negative pressure pipe (9) that is equipped with in middle part of a quantification section of thick bamboo (1), the fixed control valve (11) that is equipped with in middle part of negative pressure pipe (9), the fixed subassembly (10) of breathing in one end of negative pressure pipe (9) that is equipped with, subassembly (10) of breathing in includes piston pipe (101) and connecting sleeve (102), connecting sleeve (102) are fixed to be set up the tip of piston pipe (101), connecting sleeve (102) cover is established the one end of negative pressure pipe (9), the inside sliding connection of piston pipe (101) has piston board (104), the fixed connecting rod (105) that is equipped with in middle part of piston board (104), the fixed handle (107) that is equipped with in one end of connecting rod (105).

2. A nitroglycerin aerosol dosing valve as claimed in claim 1 wherein: and a sealing ring (103) is fixedly arranged on the inner wall of the connecting sleeve (102).

3. A nitroglycerin aerosol dosing valve as claimed in claim 1 wherein: the middle part of one end of the piston tube (101) is provided with a through hole (106) corresponding to the connecting rod (105).

4. A nitroglycerin aerosol dosing valve as claimed in claim 1 wherein: one end of the liquid inlet pipe (2) is fixedly provided with a connecting hose (4), and one end of the connecting hose (4) is fixedly provided with a connecting cylinder (5).

5. A nitroglycerin aerosol dosing valve as claimed in claim 1 wherein: the surface of the quantitative cylinder (1) is fixedly provided with scale marks (12).