Pesticide sprayer

Abstract

The utility model relates to the technical field of medical equipment, in particular to a medicine sprayer which comprises a medicine storage bottle and a bottle cap in threaded connection with a bottle opening of the medicine storage bottle, a medicine pumping assembly is arranged in the bottle cap, a hard medicine pumping pipe with the top end rotationally connected with the medicine pumping assembly is arranged in the medicine storage bottle, and the medicine sprayer further comprises a half gear fixedly arranged on the medicine pumping pipe below the medicine pumping assembly in a sleeved mode. When an extrusion wrench is pressed to spray medicine, a lower push rod can drive a rectangular frame to reciprocate in a bottle cap, a tooth groove is utilized to push a half gear to continuously rotate to drive a hard medicine pumping pipe to rotate in the reciprocating process of the rectangular frame, and an external thread formed in the outer surface of the medicine pumping pipe is matched to push a sealing sliding plate to synchronously move downwards along with the liquid level height of medicine liquid; no matter a user inverts or tilts the medicine storage bottle, the bottom end of the medicine pumping pipe is not below the liquid level of the liquid medicine, and the problem that when the medicine storage bottle is adjusted to be inverted or tilted by a certain angle and the liquid medicine in the medicine bottle is little, the medicine pumping pipe can not suck the liquid medicine for spraying is avoided as much as possible.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field, concretely is a medicine sprayer. BACKGROUND

[0002] The medicine sprayer is a tool commonly used in the respiratory department to apply medicine to patients. When the respiratory tract is diseased, in order to facilitate drug absorption and improve the effect of medication, an external medicine is usually sprayed on the affected area of the patient by the medicine sprayer for treatment.

[0003] When the patient is treated by spraying medicine, the medical staff needs to constantly adjust the angle of the medicine sprayer according to the spraying site and the posture of the patient's body. The lower end of the suction tube in the medicine bottle of the existing medicine sprayer is usually located at the bottom of the medicine bottle. When the medicine sprayer is adjusted to be inverted or inclined at a certain angle, and the medicine in the medicine bottle is less, the suction tube may not be able to suck the medicine for spraying, which is very inconvenient to use. Therefore, we propose a medicine sprayer. UTILITY MODEL CONTENT

[0004] One of the technical problems to be solved by the present application is that the lower end of the suction tube in the medicine bottle of the existing medicine sprayer is usually located at the bottom of the medicine bottle. When the medicine sprayer is adjusted to be inverted or inclined at a certain angle, and the medicine in the medicine bottle is less, the suction tube may not be able to suck the medicine for spraying.

[0005] To solve the above technical problems, the present application provides a medicine sprayer, which comprises a medicine storage bottle and a bottle cap screwed to the mouth of the medicine storage bottle, a medicine pumping assembly is arranged in the bottle cap, a hard medicine suction tube is arranged in the medicine storage bottle and rotationally connected to the top of the medicine pumping assembly, and further comprising:

[0006] A half gear is fixedly sleeved on the medicine suction tube below the medicine pumping assembly, a rectangular frame is sleeved on the half gear, a tooth groove is formed in the inner wall of the rectangular frame, the tooth groove is divided into a first meshing tooth groove and a second meshing tooth groove arranged symmetrically, and when the one side teeth of the half gear are rotationally meshed with the first meshing tooth groove, the other side teeth of the half gear are just disengaged from the second meshing tooth groove.

[0007] A push rod is fixedly connected to one end of the rectangular frame, the other end of the push rod penetrates the bottle cap and is slidingly connected to the bottle cap, one end of the push rod outside the bottle cap is fixedly connected with a squeezing wrench, and a return spring is sleeved on the push rod between the squeezing wrench and the bottle cap.

[0008] A sealing slide plate is sleeved on the medicine suction tube, an external thread is formed on the outer surface of the medicine suction tube, the sealing slide plate is screwed with the medicine suction tube through the external thread, and the sealing slide plate is in sliding contact with the inner wall of the medicine storage bottle.

[0009] As preferred, the medicine pumping assembly comprises a liquid pumping device embedded in the bottle cap, the medicine pumping tube top end penetrates the bottom wall of the liquid pumping device and is connected with the inner cavity of the liquid pumping device, a medicine conveying tube is arranged above the medicine pumping tube and has a bottom end connected with the inner cavity of the liquid pumping device, and a one-way valve is arranged on the end of the medicine pumping tube and the medicine conveying tube close to the liquid pumping device.

[0010] As preferred, a nozzle is fixedly connected to the top of the bottle cap, an atomizing nozzle is fixedly arranged on the end of the nozzle away from the bottle cap, and the top end of the medicine conveying tube penetrates the nozzle and is connected with the atomizing nozzle.

[0011] As preferred, a piston is slidably connected in the liquid pumping device, an upper push rod is fixedly connected to one side of the piston, and the end of the upper push rod away from the piston penetrates the side wall of the bottle cap and is fixed with the squeezing handle.

[0012] As preferred, after the squeezing handle is pressed once, the liquid level of the medicine in the medicine storage bottle drops by a height consistent with the sliding height of the sealing slide plate along the medicine pumping tube.

[0013] As preferred, the sealing slide plate has a size consistent with the size of the inner cavity of the medicine storage bottle, and a sealing ring for preventing leakage of the medicine is arranged on the periphery of the sealing slide plate.

[0014] As preferred, a groove is arranged on the bottom wall of the medicine storage bottle, the bottom end of the medicine pumping tube extends into the groove, a stirring rod is fixedly connected to the periphery of the bottom end of the medicine pumping tube, and the top of the stirring rod is flush with the top of the groove.

[0015] The utility model at least has the following beneficial effects:

[0016] 1, when the medicine is sprayed by pressing the squeezing handle, the rectangular frame can be reciprocally moved in the bottle cap by the lower push rod, the half gear is continuously rotated by the tooth groove in the process of reciprocally moving of the rectangular frame, the medicine pumping tube is rotated, the sealing slide plate is synchronously moved downward with the liquid level of the medicine by the external thread arranged on the outer surface of the medicine pumping tube, no matter the medicine storage bottle is inverted or inclined, the bottom end of the medicine pumping tube is below the liquid level of the medicine, the problem that the medicine pumping tube cannot suck the medicine to spray the medicine when the medicine storage bottle is adjusted to be inverted or inclined by a certain angle and the medicine in the medicine bottle is less is avoided as far as possible;

[0017] 2, the groove is arranged on the bottom wall of the medicine storage bottle, the stirring rod is fixedly connected to the periphery of the end of the groove where the bottom end of the medicine pumping tube extends into, when the medicine is sprayed by pressing the squeezing handle by the user, the medicine pumping tube can synchronously rotate the stirring rod by rotating, the medicine is stirred, the problem that the medicine is deposited by long-term standing and the treatment effect of the medicine is affected is avoided as far as possible. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1The whole structure schematic view of the utility model is shown in the figure.

[0019] Figure 2 The internal structure schematic view of the medicine storage bottle of the utility model is shown in the figure.

[0020] Figure 3 The installation structure schematic view of the pump medicine assembly of the utility model is shown in the figure.

[0021] Figure 4 The connection structure schematic view of the medicine drawing pipe and the sealing sliding plate of the utility model is shown in the figure.

[0022] Figure 5 The connection structure schematic view of the half gear, the rectangular frame and the extrusion wrench of the utility model is shown in the figure.

[0023] Figure 6 The connection structure schematic view of the stirring rod and the medicine drawing pipe of the utility model is shown in the figure.

[0024] In the figure, 1 is a medicine storage bottle, 2 is a bottle cap, 3 is a liquid drawing pump, 4 is a medicine drawing pipe, 5 is a medicine conveying pipe, 6 is a one-way valve, 7 is a nozzle, 8 is an atomizing nozzle, 9 is a piston, 10 is an upper push rod, 11 is a reset spring, 12 is an extrusion wrench, 13 is a half gear, 14 is a rectangular frame, 15 is a gear slot, 16 is a lower push rod, 17 is a sealing sliding plate, and 18 is a stirring rod. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Embodiment 1

[0027] Please refer to Figures 1-5 The utility model provides a technical scheme:

[0028] The utility model discloses a medicine sprayer which comprises a medicine storage bottle 1 and a bottle cap 2 screwed at the bottle mouth of the medicine storage bottle 1, a pump medicine assembly is arranged in the bottle cap 2, a hard medicine drawing pipe 4 is arranged in the medicine storage bottle 1 and is rotationally connected with the pump medicine assembly at the top end, and the medicine sprayer further comprises:

[0029] A half gear 13 is arranged on the medicine drawing pipe 4 below the medicine pumping assembly, a rectangular frame 14 is arranged on the half gear 13, a tooth groove 15 is arranged on the inner wall of the rectangular frame 14, the tooth groove 15 is divided into a first meshing tooth groove and a second meshing tooth groove arranged symmetrically, when the one side tooth of the half gear 13 rotates to mesh with the first meshing tooth groove, the other side tooth of the half gear 13 is just disengaged from the second meshing tooth groove, so that when the user reciprocatingly moves the rectangular frame 14, the half gear 13 can be rotated through the tooth groove 15.

[0030] A lower push rod 16 is fixedly connected with the rectangular frame 14 at one end, the other end of the lower push rod 16 penetrates the bottle cap 2 and is slidingly connected with the bottle cap 2, one end of the lower push rod 16 outside the bottle cap 2 is fixedly connected with the extrusion wrench 12, the lower push rod 16 between the extrusion wrench 12 and the bottle cap 2 is sleeved with a return spring 11, when the user presses the extrusion wrench 12 into the bottle cap 2, the rectangular frame 14 can be moved leftwards through the lower push rod 16, when the user releases the extrusion wrench 12, the return spring 11 reversely pushes the extrusion wrench 12 to drive the extrusion wrench 12 to reset, and the rectangular frame 14 is moved rightwards, so that the user can reciprocatingly move the rectangular frame 14 when repeatedly pressing the extrusion wrench 12.

[0031] A sealing sliding plate 17 is sleeved on the medicine drawing pipe 4, an external thread is arranged on the outer surface of the medicine drawing pipe 4, the sealing sliding plate 17 is screwed with the medicine drawing pipe 4 through the external thread, and the peripheral side of the sealing sliding plate 17 is slidingly contacted with the inner wall of the medicine storage bottle 1; further comprising:

[0032] The medicine pumping assembly comprises a liquid pumping pump 3 embedded in the bottle cap 2, the top end of the medicine drawing pipe 4 penetrates the bottom wall of the liquid pumping pump 3 and is connected with the inner cavity of the liquid pumping pump 3, a medicine conveying pipe 5 is arranged above the medicine drawing pipe 4 and has a bottom end connected with the inner cavity of the liquid pumping pump 3, and the one end of the medicine drawing pipe 4 and the medicine conveying pipe 5 close to the liquid pumping pump 3 is provided with a one-way valve 6.

[0033] The bottle cap 2 is fixedly connected with a nozzle 7 at the top, the nozzle 7 is fixedly connected with an atomizing nozzle 8 away from the bottle cap 2, and the top end of the medicine conveying pipe 5 penetrates the nozzle 7 and is connected with the atomizing nozzle 8.

[0034] The piston 9 is slidingly connected in the liquid pumping pump 3, one side of the piston 9 is fixedly connected with an upper push rod 10, the other end of the upper push rod 10 away from the piston 9 penetrates the side wall of the bottle cap 2 and is fixedly connected with the extrusion wrench 12, and further comprising:

[0035] After the extrusion wrench 12 is pressed once, the liquid surface of the medicine in the medicine storage bottle 1 is lowered by a height consistent with the height of the sealing sliding plate 17 sliding downward along the medicine drawing pipe 4.

[0036] The size of the sealing sliding plate 17 is consistent with the size of the inner cavity of the medicine storage bottle 1, and a sealing ring for preventing the medicine from leaking is sleeved on the peripheral side of the sealing sliding plate 17.

[0037] In use, the user presses the squeeze handle 12 into the bottle cap 2, the push rod 10 pushes the piston 9 to slide into the suction pump 3, and the air in the suction pump 3 is discharged. When the user releases the squeeze handle 12, the reset spring 11 reversely pushes the squeeze handle 12 to reset, and drives the piston 9 to reversely move, so that the negative pressure is formed in the suction pump 3. Through the negative pressure, the liquid medicine in the medicine storage bottle 1 is sucked into the suction pump 3 along the medicine suction pipe 4. With continuous pressing, the liquid medicine enters the atomizing nozzle 8 along the medicine delivery pipe 5 and is sprayed to the affected part of the patient, so that the affected part of the patient is medicated.

[0038] When the user presses the squeeze handle 12 to spray medicine, the lower push rod 16 synchronously pushes the rectangular frame 14 to reciprocate in the bottle cap 2. The rectangular frame 14 is provided with the tooth groove 15 in the inner wall, and the tooth groove 15 drives the half gear 13 to rotate. When the half gear 13 is driven to rotate by the tooth groove 15, the half gear 13 is driven to rotate by the tooth groove 15. The half gear 13 rotates to drive the hard medicine suction pipe 4 to rotate. The outer thread is arranged on the medicine suction pipe 4. The sealing slide plate 17 is driven to move downward along with the liquid level. When the user inverts or inclines the medicine storage bottle 1, the end of the medicine suction pipe 4 close to the bottom of the medicine storage bottle 1 is below the liquid level of the medicine, so that the medicine suction pipe 4 can not suck the liquid medicine to spray the medicine when the medicine sprayer is adjusted to be inverted or inclined at a certain angle and the liquid medicine in the medicine bottle is less. The problem of inconvenient use is solved.

[0039] Embodiment 2

[0040] Please refer to Figure 6 The utility model provides a technical scheme:

[0041] Different from embodiment 1, the utility model provides another implementation mode of the medicine sprayer:

[0042] A medicine sprayer comprises a medicine storage bottle 1 and a bottle cap 2 screwed to the bottle mouth of the medicine storage bottle 1. The bottle cap 2 is provided with a medicine pumping assembly. The medicine storage bottle 1 is provided with a hard medicine suction pipe 4 rotationally connected to the medicine pumping assembly at the top end. The medicine sprayer further comprises:

[0043] The half gear 13 is fixedly sleeved to the medicine suction pipe 4 below the medicine pumping assembly. The half gear 13 is sleeved with the rectangular frame 14. The tooth groove 15 is arranged in the inner wall of the rectangular frame 14. The tooth groove 15 is divided into the first meshing tooth groove and the second meshing tooth groove symmetrically arranged. When the half gear 13 is driven to rotate by the tooth groove 15, the half gear 13 is driven to rotate by the tooth groove 15. When the user pushes the rectangular frame 14 to reciprocate, the half gear 13 is driven to rotate by the tooth groove 15.

[0044] One end of the lower push rod 16 is fixedly connected with the rectangular frame 14, the other end of the lower push rod 16 penetrates through the bottle cap 2 and is in sliding connection with the bottle cap 2, one end of the lower push rod 16 located outside the bottle cap 2 is fixedly connected with the extrusion wrench 12, a reset spring 11 is sleeved on the lower push rod 16 between the extrusion wrench 12 and the bottle cap 2, when a user presses the extrusion wrench 12 into the bottle cap 2, the rectangular frame 14 can be pushed to move leftwards through the lower push rod 16, when the user releases the extrusion wrench 12, the reset spring 11 reversely pushes the extrusion wrench 12 to drive the extrusion wrench 12 to reset, and the rectangular frame 14 is pulled to move rightwards, so that the user can push the rectangular frame 14 to reciprocate when repeatedly pressing the extrusion wrench 12;

[0045] The sealing slide plate 17 is sleeved on the medicine drawing pipe 4, the outer surface of the medicine drawing pipe 4 is provided with external threads, the sealing slide plate 17 is screwed with the medicine drawing pipe 4 through the external threads, the peripheral side of the sealing slide plate 17 is in sliding contact with the inner wall of the medicine storage bottle 1, and the sealing slide plate 17 further comprises:

[0046] A groove is formed in the bottom wall of the medicine storage bottle 1, the bottom end of the medicine drawing pipe 4 extends into the groove, and a stirring rod 18 is fixedly connected to the peripheral side of the bottom end of the medicine drawing pipe 4, the top of the stirring rod 18 is flush with the top of the groove.

[0047] When the user presses the extrusion wrench 12 to spray medicine, the lower push rod 16 synchronously pushes the rectangular frame 14 to reciprocate in the bottle cap 2, the half gear 13 is rotated by the tooth groove 15 formed in the inner wall of the rectangular frame 14, since the gear teeth on one side of the half gear 13 rotate to mesh with the first meshing tooth groove, the gear teeth on the other side of the half gear 13 are just disengaged from the second meshing tooth groove, therefore, the reciprocating movement of the rectangular frame 14 can drive the half gear 13 to rotate through the tooth groove 15, the rotation of the half gear 13 drives the hard medicine drawing pipe 4 to rotate, thereby driving the stirring rod 18 fixedly installed at the bottom end of the medicine drawing pipe 4 and embedded in the groove to rotate, so that the medicine liquid in the medicine storage bottle 1 is stirred and mixed, thereby avoiding the problem that the medicine liquid is deposited due to long-term standing and affects the treatment effect of the medicine liquid.

[0048] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or action from another entity or action, without necessarily requiring or implying that there is any such actual relationship or order between these entities or actions. Moreover, the terms "comprises", "comprising" or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or apparatus including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or apparatus.

[0049] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A medicine sprayer comprising a medicine storage bottle (1) and a bottle cap (2) screwed to the bottle mouth of the medicine storage bottle (1), a medicine pumping assembly being arranged in the bottle cap (2), and a hard medicine drawing tube (4) being arranged in the medicine storage bottle (1) and rotationally connected to the medicine pumping assembly at the top end, characterized in that: Also includes: Half gear (13), the half gear (13) is fixedly sleeved on the medicine extraction pipe (4) below the medicine pumping assembly, a rectangular frame (14) is sleeved on the half gear (13), a gear slot (15) is formed in the inner wall of the rectangular frame (14), the gear slot (15) is divided into a first meshing gear slot and a second meshing gear slot symmetrically arranged with the first meshing gear slot, and when the one side gear teeth of the half gear (13) rotate to mesh with the first meshing gear slot, the other side gear teeth of the half gear (13) are just disengaged from the second meshing gear slot; The lower push rod (16) is fixedly connected with the rectangular frame (14) at one end, and the other end of the lower push rod (16) penetrates the bottle cap (2) and is slidably connected with the bottle cap (2), one end of the lower push rod (16) outside the bottle cap (2) is fixedly connected with the extrusion wrench (12), and the lower push rod (16) between the extrusion wrench (12) and the bottle cap (2) is sleeved with a return spring (11). The sealing slide plate (17) is sleeved on the medicine extraction pipe (4), the outer surface of the medicine extraction pipe (4) is provided with external threads, the sealing slide plate (17) is screwed with the medicine extraction pipe (4) through the external threads, and the sealing slide plate (17) is in sliding contact with the inner wall of the medicine storage bottle (1).

2. The pesticide spraying device according to claim 1, wherein: The medicine pumping assembly comprises a liquid pumping assembly (3) embedded in the bottle cap (2), the top end of the medicine extraction pipe (4) penetrates the bottom wall of the liquid pumping assembly (3) and is connected with the inner cavity of the liquid pumping assembly (3), and the upper portion of the medicine extraction pipe (4) is provided with a medicine delivery pipe (5) having a bottom end connected with the inner cavity of the liquid pumping assembly (3), and the medicine extraction pipe (4) and the medicine delivery pipe (5) are both provided with a one-way valve (6) at the end close to the liquid pumping assembly (3).

3. The pesticide sprayer of claim 2, wherein: The bottle cap (2) is fixedly connected with a nozzle (7) at the top, the nozzle (7) is fixedly connected with an atomizing nozzle (8) at the end away from the bottle cap (2), and the top end of the medicine delivery pipe (5) penetrates the nozzle (7) and is connected with the atomizing nozzle (8).

4. The pesticide sprayer of claim 3, wherein: The piston (9) is slidably connected in the liquid pumping assembly (3), one side of the piston (9) is fixedly connected with an upper push rod (10), and the end of the upper push rod (10) away from the piston (9) penetrates the side wall of the bottle cap (2) and is fixedly connected with the extrusion wrench (12).

5. The pesticide sprayer of claim 4, wherein: After the extrusion wrench (12) is pressed once, the liquid level in the medicine storage bottle (1) drops by a height consistent with the height by which the sealing slide plate (17) slides downward along the medicine extraction pipe (4).

6. The pesticide sprayer of claim 5, wherein: The size of the sealing slide plate (17) is consistent with the size of the inner cavity of the medicine storage bottle (1), and a sealing ring for preventing liquid leakage is sleeved on the periphery of the sealing slide plate (17).

7. The pesticide sprayer of claim 6, wherein: A groove is formed in the bottom wall of the medicine storage bottle (1), the bottom end of the medicine extraction pipe (4) extends into the groove, and a stirring rod (18) is fixedly connected to the periphery of the bottom end of the medicine extraction pipe (4), and the top of the stirring rod (18) is flush with the top of the groove.

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