Quantitative disinfectant spraying machine

By designing a disinfectant quantitative sprayer, using components such as motors, buttons and infrared sensing areas, the quantitative and uniform spraying of disinfectant is achieved, solving the problem of uneven or excessive disinfectant spraying in the prior art, and reducing the risk of pressure damage and infection.

CN120361404AInactive Publication Date: 2025-07-25THE AFFILIATED SIR RUN RUN SHAW HOSPITAL OF SCHOOL OF MEDICINE ZHEJIANG UNIV
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Patent Information

Application Number
CN202510571576.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-05-06
Publication Date
2025-07-25
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

In the prior art, quantitative spraying cannot be achieved due to pressure damage and infection risks caused by uneven or excessive spraying of disinfectant.

Method used

A disinfectant quantitative spraying machine is designed, including a support frame, a transmission roller, a conveyor belt, a solution module bottle, a liquid change mechanism, a stop mechanism, an adjustment mechanism and a spraying mechanism. The disinfectant is quantitative and uniformly sprayed through the motor, buttons, gears and infrared sensing area, and avoids countercurrent.

Benefits of technology

The quantitative and uniform spray of disinfectant is achieved, which avoids the counterflow of disinfectant, reduces the risk of pressure damage and infection, and improves the disinfection effect.

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Abstract

The invention discloses a disinfectant quantitative spraying machine, and relates to the technical field of disinfection equipment, the disinfectant quantitative spraying machine comprises a support frame, the two sides of the support frame are respectively provided with two support plates, transmission rollers are rotatably arranged among the four support plates, and the two transmission rollers are sleeved with two conveyor belts; a plurality of solution module bottles are arranged between the supporting frames in a sliding mode. By arranging the driving motor, the starting button, the bottom block, the closing button, an L-shaped connecting rod, a first gear, a second gear, a rotating shaft and an L-shaped mounting plate, back-and-forth moving spraying is stopped during liquid changing, and a disinfectant continues to be sprayed along the position before liquid adding after liquid adding is completed, so that the disinfectant spraying rhythm is orderly and uniform, and the spraying efficiency is improved. When liquid needs to be added, the disinfectant output pipe is closed through the closing button, the problem that the disinfectant flows back and bacteria retrograde during liquid adding is avoided, manual intervention is not needed, and convenience and rapidness are achieved.
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Description

Technical Field

[0001] The present invention relates to the technical field of disinfection equipment, and specifically to a quantitative spraying machine for disinfectant solution. Background Art

[0002] Disinfection refers to a method of killing pathogenic microorganisms, but not necessarily bacterial spores. For patients during the perioperative period, in order to avoid surgical site infection by bacteria, it is necessary to repeatedly apply disinfectant solution in a circular area with a radius of about 15 cm around the surgical site for disinfection. According to the skin cleanliness of the surgical site, at least 2 disinfections are required, and each disinfection does not exceed the range of the previous one.

[0003] In the prior art, when disinfecting the skin of patients during the perioperative period, the disinfectant solution is sprayed on disinfection gloves, disinfection gauze or disinfection cotton balls and then wiped on the surgical site of the patient. However, the amount of disinfectant solution dipped cannot be controlled, which easily leads to excessive dipping of the disinfectant solution and squeezing out onto the bed sheet during the process of disinfecting the patient's skin, resulting in the risk of pressure injury caused by dampness in the non-surgical area. Too little disinfectant solution is likely to lead to poor disinfection effect and increase the risk of wound infection. Summary of the Invention

[0004] The technical solution of the present invention aims at the technical problem that the prior art solution is too single, and provides a solution significantly different from the prior art. Specifically, the purpose of the present invention is to provide a quantitative spraying machine for disinfectant solution to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A quantitative spraying machine for disinfectant solution, including a support frame, two support plates are respectively arranged on both sides of the support frame, a transmission roller is rotatably arranged between the four support plates, two conveyor belts are sleeved on the two transmission rollers, a plurality of solution module bottles are slidably arranged between the support frames, bottle caps are arranged on the tops of the plurality of solution module bottles, a liquid changing mechanism is arranged between the support frames, a stop mechanism for preventing the backflow of the disinfectant solution is arranged at the bottom of the liquid changing mechanism, an adjusting mechanism is arranged at the bottom of the stop mechanism, a spraying mechanism is arranged at the bottom of the adjusting mechanism, a transmission motor is fixedly arranged on the side wall of one of the support plates, a base is arranged beside the support frame, an infrared induction area is arranged on the top of the base, a protective cover is arranged on the top of the base, and a constant temperature heating block is arranged between the two conveyor belts.

[0006] Preferably, sealing papers are arranged at the bottoms of the plurality of solution module bottles.

[0007] Preferably, the liquid changing mechanism includes two or more limiting rings, a trapezoidal block, two arc-shaped locking grooves, a conical plug block and a return spring. The return spring is arranged between the support frames. The trapezoidal block is fixedly arranged at the top of the return spring. The conical plug block is inserted into the trapezoidal block. The two arc-shaped grooves are arranged on the inner side wall of the support frame. The plurality of limiting rings are respectively fixedly arranged on the outer side wall of the corresponding solution module bottle.

[0008] Preferably, the stopping mechanism includes a driving motor, a start button, a bottom block, a stop button, an L-shaped connecting rod, a first gear, a second gear, a rotating shaft and an L-shaped mounting plate. The bottom block is fixedly arranged on the side wall of the support frame. The start button is fixedly arranged on the top of the bottom block. The L-shaped connecting rod is fixedly arranged at the bottom of the trapezoidal block. The stop button is fixedly arranged on the top of the L-shaped connecting rod. The driving motor is fixedly arranged on the L-shaped connecting rod. The first gear is fixedly arranged at the end of the output shaft of the driving motor. The L-shaped mounting plate is fixedly arranged on the side wall of the base. The rotating shaft is rotatably arranged on the L-shaped mounting plate. The second gear is fixedly arranged at the end of the rotating shaft.

[0009] Preferably, the adjusting mechanism includes a connecting rod, a first bevel gear, a second bevel gear, a collar, a reciprocating lead screw, a limiting rod and a limiting groove. The limiting groove is arranged on the L-shaped mounting plate. The connecting rod is fixedly arranged on the L-shaped mounting rod. The first bevel gear is fixedly arranged at the end of the rotating shaft. The second bevel gear is rotatably arranged at the bottom of the connecting rod. The reciprocating lead screw is fixedly arranged at the bottom of the second bevel gear. The collar is meshed and sleeved on the outer side wall of the reciprocating lead screw. One end of the limiting rod is fixedly arranged on the sleeve rod, and the other end of the limiting rod slides in the limiting groove.

[0010] Preferably, the spraying mechanism includes a pipeline, a sealing block, two connecting columns, a conical block, a plurality of inclined grooves, a plurality of telescopic pipes, an annular pipe, a plurality of spray heads and a short plate. The short plate is fixedly arranged on the side wall of the L-shaped mounting plate. The annular pipe is fixedly arranged at the end of the short plate. One ends of the plurality of telescopic pipes are fixedly connected to the annular pipe. The two connecting columns are fixedly arranged at the bottom of the collar. The conical block is fixedly arranged at the bottom of the connecting column. The plurality of inclined grooves are arranged in a circular array on the side wall of the conical block, and the other ends of the plurality of telescopic pipes slide in the corresponding inclined grooves. One end of the pipeline is fixedly arranged at the bottom of the conical plug block. The conical plug block is provided with a liquid inlet communicated with the pipeline. The sealing block is fixedly arranged on the annular pipe, and the other end of the pipeline is communicated with the annular pipe.

[0011] Preferably, an electromagnetic valve is arranged on the pipeline, and the electromagnetic valve is electrically connected to the start button and the stop button.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] (1) Through the settings of the drive motor, start button, bottom block, close button, L-shaped connecting rod, first gear, second gear, rotating shaft and L-shaped mounting plate, the present invention realizes stopping the reciprocating movement of spraying during liquid replacement and continuing to spray the disinfectant along the position before the end of liquid addition only after the liquid addition is completed, making the spraying rhythm of the disinfectant orderly and the spraying uniform. And when liquid addition is required, the output pipe of the disinfectant is closed through the close button, avoiding the problem of disinfectant backflow and bacteria retrograde during liquid addition, without manual intervention, convenient and fast;

[0014] (2) Through the settings of several limit rings, trapezoidal blocks, two arc locking grooves, conical plugging blocks and return springs, the present invention realizes automatically locking the solution module bottle in use, and the solution module bottle after the disinfectant is used is automatically unlocked under the action of the return spring, so that the next solution module bottle filled with disinfectant can move to the position of the arc locking groove for limiting, automatically unlocking the solution module bottle after the disinfectant is used, connecting and locking the next solution module bottle that needs to be filled with disinfectant, without manual replacement, convenient and fast;

[0015] (3) Through the settings of pipes, sealing blocks, two connecting columns, conical blocks, several inclined grooves, several telescopic pipes, annular pipes, several nozzles and short plates, the present invention realizes reciprocating spraying of disinfectant on the disinfection gloves of patients and ensures the uniformity of disinfectant spraying. And due to the continuous telescopic stretching of the telescopic pipes, when the telescopic pipes contract, the distance from the corresponding disinfectant output from the annular pipe to the nozzles becomes shorter, and the pressure inside the telescopic pipes increases. As a result, when the distance of the nozzles from the center of the circle is farther, the spraying speed of the disinfectant ejected from the nozzles is faster, and the disinfectant is sprayed in the vertical direction, ensuring that the disinfectant can also be sprayed to the designated position when the nozzles move, further improving the uniformity of disinfectant spraying. Description of the Drawings

[0016] Figure 1 is the overall structure schematic diagram of the present invention;

[0017] Figure 2 is the structure schematic diagram of the liquid replacement mechanism of the present invention;

[0018] Figure 3 is the structure schematic diagram of the positional relationship between the stop mechanism and the liquid replacement mechanism of the present invention;

[0019] Figure 4 is the structure schematic diagram of the positional relationship between the stop mechanism and the adjustment mechanism of the present invention;

[0020] Figure 5 is the structure schematic diagram of the adjustment mechanism of the present invention;

[0021] Figure 6 is the partial structure sectional view schematic diagram of the spraying mechanism of the present invention.

[0022] In the figure: 1, support frame; 2, driving roller; 3, liquid changing mechanism; 31, limiting ring; 32, trapezoidal block; 33, arc locking groove; 34, conical insertion block; 35, return spring; 4, stop mechanism; 41, driving motor; 42, start button; 43, bottom block; 44, close button; 45, L-shaped connecting rod; 46, first gear; 47, second gear; 48, rotating shaft; 49, solenoid valve; 410, L-shaped mounting plate; 5, adjusting mechanism; 51, connecting rod; 52, first bevel gear; 53, second bevel gear; 54, collar; 56, reciprocating lead screw; 57, limiting rod; 58, limiting groove; 6, spraying mechanism; 61, pipeline; 62, sealing block; 63, connecting column; 64, conical block; 65, inclined groove; 66, telescopic tube; 67, annular tube; 68, nozzle; 69, short plate; 7, protective cover; 8, base; 10, solution module bottle; 11, bottle cap; 12, support plate; 13, driving motor; 14, conveyor belt; 15, constant temperature heating block; 16, infrared sensing area. Detailed implementation mode

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0024] Please refer to Figures 1-6, an embodiment provided by the present invention: a quantitative spraying machine for disinfectant solution, comprising a support frame 1. Two support plates 12 are respectively arranged on both sides of the support frame 1. A driving roller 2 is rotatably arranged between the four support plates 12. Two conveyor belts 14 are sleeved on the two driving rollers 2. A plurality of solution module bottles 10 are slidably arranged between the support frames 1. Bottle caps 11 are arranged on the tops of the plurality of solution module bottles 10. A liquid changing mechanism 3 is arranged between the support frames 1. A stop mechanism 4 for preventing the backflow of the disinfectant solution is arranged at the bottom of the liquid changing mechanism 3. An adjusting mechanism 5 is arranged at the bottom of the stop mechanism 4. A spraying mechanism 6 is arranged at the bottom of the adjusting mechanism 5. A driving motor 13 is fixedly arranged on the side wall of one of the support plates 12. A base 8 is arranged beside the support frame 1. An infrared sensing area 16 is arranged on the top of the base 8. A protective cover 7 is arranged on the top of the base 8. A disinfection glove is arranged on the top of the protective cover 7. A start switch 16 is arranged inside the disinfection glove. A constant temperature heating block 15 is arranged between the two conveyor belts 14. First, the required iodophor disinfectant solution is added into the solution module bottle 10. Then, the driving roller 2 is driven to rotate by the driving motor 13. The driving roller 2 drives the conveyor belt 14 to move. The conveyor belt 14 drives the solution module bottle 10 to move along the support frame 1. After moving to the designated position, it moves downward under the action of gravity, thereby driving the liquid changing mechanism 3 to drive the stop mechanism 4 to engage and drive each other. Then, after the staff wears the disinfection glove, the glove is placed on the infrared sensing area 16. The infrared ray is blocked by the glove or the disinfection gauze. And because the infrared sensing area 16 is electrically connected to the stop mechanism 4, the stop mechanism 4 is driven to work. The stop mechanism 4 drives the adjusting mechanism 5 to move. The adjusting mechanism 5 drives the spraying mechanism 6 to work, and uniformly sprays the disinfection glove. It should be noted that: according to the number of solution module bottles 10 corresponding to the disinfection gloves of a fixed specification (the iodophor disinfectant solution capacity of one solution module bottle 10 can completely disinfect one disinfection glove) to achieve the effect of quantitative adjustment. And the subsequent disinfectant solution is preheated at a constant temperature by the constant temperature heating block 15 to prevent the disinfectant solution from being too cold and touching the patient's skin to cause discomfort.

[0025] Specifically, sealing papers are arranged at the bottoms of the plurality of solution module bottles 10; while ensuring sealing, it increases the heating speed of the disinfectant solution, and is convenient for the pipeline 61 to be connected during liquid addition, which is convenient and fast.

[0026] Specifically, the liquid changing mechanism 3 includes two or more limiting rings 31, trapezoidal blocks 32, two arc-shaped locking grooves 33, conical plugging blocks 34 and return springs 35. The return springs 35 are arranged between the support frames 1. The trapezoidal blocks 32 are fixedly arranged at the tops of the return springs 35. The conical plugging blocks 34 are plugged inside the trapezoidal blocks 32. The two arc-shaped grooves are arranged on the inner side walls of the support frames 1. A number of the limiting rings 31 are respectively fixedly arranged on the outer side walls of the corresponding solution module bottles 10. When the solution module bottle 10 filled with disinfectant moves into the arc-shaped locking groove 33, the limiting ring 31 and the solution module bottle 10 move downward along the arc-shaped locking groove 33. While the solution module bottle 10 moves downward under the action of gravity, it drives the trapezoidal block 32 to move downward. At the same time, when the solution module bottle 10 moves downward, the conical plugging block 34 pierces the sealing paper and inserts into the solution module bottle 10, facilitating the subsequent spraying of disinfectant. It realizes the automatic locking of the solution module bottle 10 in use. And the solution module bottle 10 with the disinfectant used is automatically unlocked under the action of the return spring 35, enabling the next solution module bottle 10 filled with disinfectant to move to the position of the arc-shaped locking groove 33 for limiting, automatically unlocking the solution module bottle 10 with the disinfectant used up, and connecting and locking the next solution module bottle 10 that needs to be filled with disinfectant, without manual replacement, which is convenient and fast.

[0027] Specifically, the stop mechanism 4 includes a driving motor 41, a start button 42, a bottom block 43, a stop button 44, an L-shaped connecting rod 45, a first gear 46, a second gear 47, a rotating shaft 48 and an L-shaped mounting plate 410. The bottom block 43 is fixedly arranged on the side wall of the support frame 1. The start button 42 is fixedly arranged on the top of the bottom block 43. The L-shaped connecting rod 45 is fixedly arranged at the bottom of the trapezoidal block 32. The stop button 44 is fixedly arranged on the top of the L-shaped connecting rod 45. The driving motor 41 is fixedly arranged on the L-shaped connecting rod 45. The first gear 46 is fixedly arranged at the end of the output shaft of the driving motor 41. The L-shaped mounting plate 410 is fixedly arranged on the side wall of the base 8. The rotating shaft 48 is rotatably arranged on the L-shaped mounting plate 410. The second gear 47 is fixedly arranged at the end of the rotating shaft 48. When the trapezoidal block 32 moves downward, it drives the L-shaped connecting rod 45 to move. The movement of the L-shaped connecting rod 45 drives the first gear 46 to move synchronously, so that the first gear 46 meshes with the second gear 47. Then, the rotation of the output shaft of the driving motor 41 drives the first gear 46 to rotate. The rotation of the first gear 46 drives the second gear 47 to rotate. The rotation of the second gear 47 drives the rotating shaft 48 to rotate synchronously. And as the trapezoidal block 32 moves downward and drives the L-shaped connecting rod 45 to move downward, the start button 42 is pressed. Since the infrared induction area 16 is electrically connected to the solenoid valve 49, when a disinfection glove is placed on the infrared induction area 16, the infrared ray is blocked, so that the disinfectant can be output. This is the prior art and will not be elaborated here. On the contrary, after the trapezoidal block 32 is reset under the action of the return spring 35, when the stop button 44 is pressed or there is no disinfection glove or disinfection gauze and other items above the infrared induction area 16 to block the infrared ray, the output of the disinfectant will stop. It should be noted that the disinfection glove is a one-time item. It realizes stopping the reciprocating spraying during liquid replacement and continuing to spray the disinfectant along the position before liquid addition after the liquid addition is completed, making the spraying rhythm of the disinfectant orderly and the spraying uniform. And when liquid addition is required, the output pipe of the disinfectant is closed through the stop button 44, avoiding the problem of disinfectant backflow and bacteria retrograde during liquid addition, without manual intervention, which is convenient and fast.

[0028] Specifically, the adjusting mechanism 5 includes a connecting rod 51, a first bevel gear 52, a second bevel gear 53, a collar 54, a reciprocating lead screw 56, a limiting rod 57 and a limiting groove 58. The limiting groove 58 is provided on the L-shaped mounting plate 410. The connecting rod 51 is fixedly arranged on the L-shaped mounting rod. The first bevel gear 52 is fixedly arranged at the end of the rotating shaft 48. The second bevel gear 53 is rotatably arranged at the bottom of the connecting rod 51. The reciprocating lead screw 56 is fixedly arranged at the bottom of the second bevel gear 53. The collar 54 is meshingly sleeved on the outer side wall of the reciprocating lead screw 56. One end of the limiting rod 57 is fixedly arranged on the sleeve rod, and the other end of the limiting rod 57 is slidably located in the limiting groove 58. The rotation of the second gear 47 and the rotating shaft 48 drives the first bevel gear 52 to rotate. The rotation of the first bevel gear 52 drives the second bevel gear 53 to rotate, driving the reciprocating lead screw 56 to rotate. The rotation of the reciprocating lead screw 56 drives the collar 54 to move up and down reciprocally.

[0029] Specifically, the spraying mechanism 6 includes a pipeline 61, a sealing block 62, two connecting columns 63, a conical block 64, a plurality of inclined grooves 65, a plurality of telescopic tubes 66, an annular tube 67, a plurality of nozzles 68 and a short plate 69, wherein the short plate 69 is fixedly arranged on the side wall of the L-shaped mounting plate 410, the annular tube 67 is fixedly arranged at the end of the short plate 69, one end of the plurality of telescopic tubes 66 is fixedly connected to the annular tube 67, the two connecting columns 63 are fixedly arranged at the bottom of the collar 54, the conical block 64 is fixedly arranged at the bottom of the connecting column 63, the plurality of inclined grooves 65 are arranged in a circular array on the side wall of the conical block 64, and the other ends of the plurality of telescopic tubes 66 are located in the corresponding inclined grooves 65 for sliding, one end of the pipeline 61 is fixedly arranged at the bottom of the conical plug-in block 34, the conical plug-in block 34 is provided with a liquid inlet connected to the pipeline 61, the sealing block 62 is fixedly arranged on the annular tube 67, and the other end of the pipeline 61 is connected to the annular tube 67. The cone block 64 is driven to move up and down by the up and down movement of the collar 54, and the up and down movement of the cone block 64 causes the telescopic tube 66 to slide in the inclined groove 65, so that the telescopic tube 66 is telescoped, and the telescopic tube 66 is telescoped to drive the nozzle 68 to move synchronously, and the disinfectant is input from the cone plug-in block 34, flows through the pipeline 61, the annular tube 67 and the telescopic tube 66 in sequence, and finally sprayed out from the nozzle 68, so as to spray the disinfectant back and forth around the surgical site; the disinfectant is sprayed back and forth around the surgical site of the patient, which meets the medical disinfection standards and ensures the uniform spraying of the disinfectant, and because the telescopic tube 66 is constantly The telescopic stretching makes the distance of the corresponding disinfectant output from the annular tube 67 to the nozzle 68 shorter during the contraction of the telescopic tube 66, and the internal pressure of the telescopic tube 66 increases, so that the speed of the disinfectant sprayed from the nozzle 68 increases with the distance of the nozzle 68 from the center of the circle. The speed of the disinfectant spraying is faster and the impact force is greater, avoiding the situation that the disinfectant water column forms an arc due to inertia when the nozzle 68 moves, ensuring that the disinfectant water column is always sprayed in a vertical state, and the nozzle 68 can still spray to the designated position when moving, further improving the uniformity of the disinfectant spraying and reducing the waste of disinfectant.

[0030] Specifically, the pipeline 61 is provided with a solenoid valve 49, which is electrically connected to the start button 42 and the close button 44, and the infrared sensor controls the opening and closing of the solenoid valve 49 by pressing the start button 42 or the close button 44.

[0031] Working principle: First, add the required iodophor disinfectant solution into the solution module bottle 10. Then, drive the driving roller 2 to rotate through the driving motor 13. The driving roller 2 drives the conveyor belt 14 to move. The conveyor belt 14 drives the solution module bottle 10 to move along the support frame 1. After moving to the designated position, it moves downward under the action of gravity. Thus, when the solution module bottle 10 containing the disinfectant solution moves into the arc-shaped locking groove 33, the limit ring 31 and the solution module bottle 10 move downward along the arc-shaped locking groove 33. While the solution module bottle 10 moves downward under the action of gravity, it drives the trapezoidal block 32 to move downward. And while the solution module bottle 10 moves downward, the conical plug 34 pierces the sealing paper and inserts into the solution module bottle 10, making it convenient for the subsequent disinfectant solution to be sprayed. The downward movement of the trapezoidal block 32 drives the L-shaped connecting rod 45 to move. The movement of the L-shaped connecting rod 45 drives the first gear 46 to move synchronously, so that the first gear 46 meshes with the second gear 47. And as the trapezoidal block 32 moves downward to drive the L-shaped connecting rod 45 to move downward, the start button 42 is touched, so that the disinfectant solution can be output. On the contrary, after the trapezoidal block 32 is reset under the action of the return spring 35, the stop button 44 is touched, making the disinfectant solution stop output. Then, after the staff wears the disinfection gloves, the palm touches the start switch 16. Then, the output shaft of the driving motor 41 rotates to drive the first gear 46 to rotate. The rotation of the first gear 46 drives the second gear 47 to rotate. The rotation of the second gear 47 drives the rotating shaft 48 to rotate synchronously. The rotation of the second gear 47 and the rotating shaft 48 drives the first bevel gear 52 to rotate. The rotation of the first bevel gear 52 drives the second bevel gear 53 to rotate to drive the reciprocating lead screw 56 to rotate. The rotation of the reciprocating lead screw 56 drives the collar 54 to move up and down reciprocally to evenly spray the disinfection gloves. It should be noted that: The doctor can achieve the effect of quantitative adjustment according to the number of solution module bottles 10 corresponding to the disinfection gloves of a fixed specification (the iodophor disinfectant solution capacity of one solution module bottle 10 can completely disinfect one disinfection glove). And the subsequent disinfectant solution is preheated at a constant temperature through the constant temperature heating block 15 to avoid discomfort caused by the too cold disinfectant solution touching the patient's skin. It should be noted that the L-shaped mounting plate is a lockable telescopic structure. This is the prior art and will not be elaborated here. Through the telescopic adjustment of the L-shaped mounting plate 410, when the device is not working, the L-shaped mounting plate 410 can be extended to avoid the nozzle being contaminated by bacteria. Through the cooperation of adjusting the nozzle height and avoiding the backflow of the disinfectant solution, the probability of the backflow of the disinfectant solution and the contamination of the nozzle is reduced to the greatest extent.

[0032] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A quantitative spraying machine for disinfectant solution, comprising a support frame (1), two support plates (12) are respectively arranged on both sides of the support frame (1), and a transmission roller (2) is rotatably arranged between the four support plates (12), and the characteristics are as follows: Two conveyor rollers (2) are sleeved with two conveyor belts (14). A number of solution module bottles (10) are slidably arranged between the support frames (1). Caps (11) are arranged on the tops of the number of solution module bottles (10). A liquid changing mechanism (3) is arranged between the support frames (1). A stop mechanism (4) for preventing the backflow of the disinfectant is arranged at the bottom of the liquid changing mechanism (3). An adjusting mechanism (5) is arranged at the bottom of the stop mechanism (4). A spraying mechanism (6) is arranged at the bottom of the adjusting mechanism (5). A driving motor (13) is fixedly arranged on the side wall of one of the support plates (12). A base (8) is arranged beside the support frame (1). An infrared sensing area (16) is arranged on the top of the base (8). A protective cover (7) is arranged on the top of the base (8). A constant temperature heating block (15) is arranged between the two conveyor belts (14).

2. The quantitative spraying machine for disinfectant solution according to claim 1, wherein: Sealing papers are arranged at the bottoms of the number of solution module bottles (10).

3. The quantitative spraying machine for disinfectant solution according to claim 2, wherein: The liquid changing mechanism (3) includes two numbers of limiting rings (31), a trapezoidal block (32), two arc-shaped locking grooves (33), a conical plugging block (34) and a return spring (35). The return spring (35) is arranged between the support frames (1). The trapezoidal block (32) is fixedly arranged on the top of the return spring (35). The conical plugging block (34) is plugged inside the trapezoidal block (32). The two arc-shaped grooves are arranged on the inner side walls of the support frames (1). The number of limiting rings (31) are respectively fixedly arranged on the outer side walls of the corresponding solution module bottles (10).

4. The quantitative spraying machine for disinfectant solution according to claim 1, wherein: The stop mechanism (4) includes a driving motor (41), a start button (42), a bottom block (43), a stop button (44), an L-shaped connecting rod (45), a first gear (46), a second gear (47), a rotating shaft (48) and an L-shaped mounting plate (410). The bottom block (43) is fixedly arranged on the side wall of the support frame (1). The start button (42) is fixedly arranged on the top of the bottom block (43). The L-shaped connecting rod (45) is fixedly arranged on the bottom of the trapezoidal block (32). The stop button (44) is fixedly arranged on the top of the L-shaped connecting rod (45). The driving motor (41) is fixedly arranged on the L-shaped connecting rod (45). The first gear (46) is fixedly arranged at the end of the output shaft of the driving motor (41). The L-shaped mounting plate (410) is fixedly arranged on the side wall of the base (8). The rotating shaft (48) is rotatably arranged on the L-shaped mounting plate (410). The second gear (47) is fixedly arranged at the end of the rotating shaft (48).

5. The quantitative spraying machine for disinfectant solution according to claim 4, characterized in that: The adjusting mechanism (5) includes a connecting rod (51), a first bevel gear (52), a second bevel gear (53), a collar (54), a reciprocating lead screw (56), a limiting rod (57) and a limiting groove (58). The limiting groove (58) is arranged on the L-shaped mounting plate (410). The connecting rod (51) is fixedly arranged on the L-shaped mounting rod. The first bevel gear (52) is fixedly arranged at the end of the rotating shaft (48). The second bevel gear (53) is rotatably arranged at the bottom of the connecting rod (51). The reciprocating lead screw (56) is fixedly arranged at the bottom of the second bevel gear (53). The collar (54) is meshingly sleeved on the outer side wall of the reciprocating lead screw (56). One end of the limiting rod (57) is fixedly arranged on the sleeve rod, and the other end of the limiting rod (57) is slidably located in the limiting groove (58).

6. The quantitative spraying machine for disinfectant solution according to claim 5, wherein: The spraying mechanism (6) includes a pipeline (61), a sealing block (62), two connecting columns (63), a conical block (64), a plurality of inclined grooves (65), a plurality of telescopic tubes (66), an annular pipe (67), a plurality of spray nozzles (68) and a short plate (69). The short plate (69) is fixedly arranged on the side wall of the L-shaped mounting plate (410). The annular pipe (67) is fixedly arranged at the end of the short plate (69). One ends of the plurality of telescopic tubes (66) are fixedly connected to the annular pipe (67). The two connecting columns (63) are fixedly arranged at the bottom of the collar (54). The conical block (64) is fixedly arranged at the bottom of the connecting column (63). The plurality of inclined grooves (65) are arranged in a circular array on the side wall of the conical block (64), and the other ends of the plurality of telescopic tubes (66) are slidably located in the corresponding inclined grooves (65). One end of the pipeline (61) is fixedly arranged at the bottom of the conical plug (34). A liquid inlet communicating with the pipeline (61) is arranged on the conical plug (34). The sealing block (62) is fixedly arranged on the annular pipe (67), and the other end of the pipeline (61) is communicated with the annular pipe (67).

7. The quantitative spraying machine for disinfectant solution according to claim 6, wherein: An electromagnetic valve (49) is arranged on the pipeline (61), and the electromagnetic valve (49) is in telecommunication connection with the start button (42) and the stop button (44).