阅读说明：本技术 手部清洁测温装置 (Hand cleaning temperature measuring device ) 是由 曾林旺 王红生 于 2020-07-09 设计创作，主要内容包括：本发明涉及一种手部清洁测温装置,包括固定带和储液喷液测温装置,所述固定带可套置于人的手腕上,所述储液喷液测温装置固定在所述固定带上,所述储液喷液测温装置包括由上至下依次安装的显示屏控制器、喷液上盖、扣盖、储液底座,所述喷液上盖一侧设有喷嘴,另一侧枢接有红外测温装置,所述红外测温装置与所述显示屏控制器电连接；两次按压所述喷液上盖,所述喷嘴处喷射储存在所述储液底座内的消毒液。本发明穿戴于使用者手腕处,随时喷射出消毒液进行消毒及实现无接触的对他人或自身的测温,在传播性病毒或细菌流行期间,起到保护和检测作用。同时本发明采用了二次按压喷液的设计,有效的减少消毒液喷射的误按浪费、减小体积便于携带。(The invention relates to a hand cleaning temperature measuring device, which comprises a fixing band and a liquid storage and spray temperature measuring device, wherein the fixing band can be sleeved on a wrist of a person, the liquid storage and spray temperature measuring device is fixed on the fixing band, the liquid storage and spray temperature measuring device comprises a display screen controller, a spray upper cover, a buckle cover and a liquid storage base which are sequentially arranged from top to bottom, one side of the spray upper cover is provided with a nozzle, the other side of the spray upper cover is pivoted with an infrared temperature measuring device, and the infrared temperature measuring device is electrically connected with the display screen controller; and pressing the liquid spraying upper cover twice, and spraying the disinfectant stored in the liquid storage base at the nozzle. The invention is worn on the wrist of a user, sprays disinfectant at any time for disinfection, realizes non-contact temperature measurement of other people or the user, and plays a role in protection and detection during epidemic period of transmissible viruses or bacteria. Meanwhile, the invention adopts the design of secondary pressing liquid spraying, thereby effectively reducing the mistaken pressing waste of disinfectant liquid spraying, reducing the volume and being convenient for carrying.)

1. A hand cleaning temperature measuring device comprises a fixing band and a liquid storage and spray temperature measuring device, wherein the fixing band can be sleeved on a wrist of a person, and the hand cleaning temperature measuring device is characterized in that the liquid storage and spray temperature measuring device is fixed on the fixing band and comprises a display screen controller, a spray upper cover, a buckle cover and a liquid storage base which are sequentially arranged from top to bottom, a nozzle is arranged on one side of the spray upper cover, an infrared temperature measuring device is pivoted on the other side of the spray upper cover, and the infrared temperature measuring device is electrically connected with the display screen controller; and pressing the liquid spraying upper cover twice, and spraying the disinfectant stored in the liquid storage base at the nozzle.

2. The hand cleaning temperature measuring device of claim 1, wherein a first groove is concavely formed on the top of the spraying upper cover, the display screen controller is installed in the first groove, and an outer ring and an inner ring are convexly formed on the bottom of the spraying upper cover;

a first bulge is convexly arranged on one side of the liquid spraying upper cover, a liquid outlet pipeline is arranged in the first bulge, a pressing head and a nozzle are sleeved at the end part of the liquid outlet pipeline, the other end of the liquid outlet pipeline is communicated with a cavity formed on the inner side of the inner ring, a second bulge is convexly arranged on the other side of the liquid spraying upper cover, a hollow channel is arranged in the second bulge in a penetrating way, the infrared temperature measuring device is pivoted at the end part of the hollow channel, and the other end of the hollow channel is communicated with the first groove;

convex buckles are symmetrically and convexly arranged on the inner side of the outer ring;

and a plurality of adjusting buttons are arranged on the outer wall of the first groove and electrically connected with the display screen controller.

3. The hand cleaning temperature measuring device according to claim 1, wherein the upper end of the liquid storage base is open, the buckle cover is fixed to the open end of the liquid storage base, a second groove is concavely formed in the position, corresponding to the inner ring, of the top surface of the buckle cover, the bottom surface of the second groove is upwards provided with a first sleeve and a second sleeve in a protruding manner, a hole penetrates through the center of the bottom surface of the second groove, and a third sleeve is convexly arranged on the bottom surface of the second groove in a downward manner;

the bottom surface of the buckle cover is also convexly provided with a convex column, and an air inlet hole penetrates through the convex column;

a plurality of clamping grooves are uniformly and concavely arranged on the outer wall of the buckling cover.

4. The hand cleaning temperature measuring device of claim 3, wherein the clamping groove comprises a pressing section, a buckling section and a resetting section, the pressing end, the buckling section and the resetting section are sequentially distributed in a step shape, the pressing section is designed as a vertically downward groove, the buckle section is communicated with the end part of the lower pressing section and comprises a first guide section and a positioning groove section, the groove wall of the first guide section extends along the upper right oblique direction, the upper groove wall and the lower groove wall of the positioning groove section are in an inverted V shape, and the vertexes of the upper groove wall and the lower groove wall are positioned on the same vertical line, the reset section comprises a second guide section and a connecting section, the second guide section is communicated with the end part of the buckle section, the groove walls of the second guide section and the connecting section extend along the upper left oblique direction, the second guide section is connected with the connecting section through an oblique table, the connecting section is communicated with the waist of the pressing section, and the depth of the pressing section is deeper than that of the connecting section.

5. The hand cleaning temperature measuring device of claim 3, wherein a valve body mounting seat is fixedly arranged on the third sleeve, a liquid inlet hole penetrates through the center of the valve body mounting seat, a one-way ball valve is arranged between the valve body mounting seat and the second groove, and the diameter of the section of the liquid inlet hole is smaller than that of the one-way ball valve.

6. The hand cleaning temperature measuring device of claim 3, wherein the shaped hole is composed of a central hole with a diameter smaller than that of the ball valve and a plurality of fan-shaped holes circumferentially arrayed around the center of the central hole.

7. The hand cleaning and temperature measuring device of claim 2 or 3, wherein a movable pump core is further included between the spray upper cover and the buckle cover, the movable pump core includes a piston and a spring, one end of the piston abuts against the bottom surface of the spray upper cover and is located in the inner ring, the other end of the piston is sleeved in the first sleeve, one end of the spring abuts against the end surface of the piston, the other end of the spring abuts against the bottom surface of the second groove and is located in a cavity formed between the first sleeve and the second sleeve, a liquid pipeline penetrates through the center of the piston, and the liquid pipeline connects the liquid outlet pipeline and the cavity in the first sleeve.

8. The hand cleaning temperature measuring device according to claim 2 or 3, wherein a clamping block is convexly arranged on the outer wall of the end portion of the inner ring, a chamfer is arranged on the outer edge of the end portion of the inner ring, a buckling block is convexly arranged on the inner wall of the second groove, the inner ring wall is arranged in a cavity between the inner wall of the second groove and the outer wall of the second sleeve, and the upward sliding stroke of the injection upper cover is limited by the matching of the clamping block and the buckling block.

9. The hand cleaning and temperature measuring device of claim 1, wherein the infrared temperature measuring device comprises an infrared temperature sensor mounting seat, an infrared temperature sensor mounted inside the infrared temperature sensor mounting seat, a mounting cover mounted on the infrared sensor mounting seat and located on the top surface of the infrared temperature sensor, and a dust-proof cover mounted on the infrared sensor mounting seat and located on the bottom surface of the infrared temperature sensor, a pivoting rod is further convexly arranged on the side surface of the infrared temperature sensor mounting seat, the pivoting rod is sleeved in a hollow channel, the infrared temperature measuring device is pivoted with the liquid spraying upper cover through the pivoting rod, and the infrared temperature measuring device rotates around the pivoting rod and is used for detecting the body temperature of a wearer or the body temperature of other people or the body temperature of other parts of the wearer respectively.

10. The hand cleaning temperature measuring device of claim 1, wherein the fixing strap comprises a fixing ring and a watch strap which are integrally formed, a ring of flange is convexly arranged on the inner wall of the fixing ring, a ring of assembling ring groove is concavely arranged on the outer wall of the liquid storage base, and the flange is matched with the assembling ring groove to fix the liquid storage base in the fixing ring, so that the liquid storage spray temperature measuring device is integrally fixed on the fixing strap.

Technical Field

The invention relates to the field of hand cleaning and disinfection, in particular to a hand cleaning and temperature measuring device.

Background

According to survey and statistics, a person can touch his cheek with his two hands for 3000 times per day, and when the person is awake for 3-5 times per minute, the person can touch a door handle, a water faucet, an elevator button and the like, a large amount of bacteria can be stained on his hands, the person can directly touch his cheek, and the risk that bacteria and viruses on his hands enter the human body through eyes, mouths and noses can be increased.

Contact transmission is one of the main transmission routes of bacteria and new coronavirus. The disinfection and cleaning of hands during an epidemic situation are very important, hand disinfection devices which can be purchased or used in the market at present are all in a mode of spraying disinfection solution by pressing buttons, but the arrangement of preventing mistaken spraying is not provided, and the situation that disinfection solution is wasted by pressing the buttons for multiple times under the condition that a user cares nothing (as the prior art: the hand disinfection device: 202010193562.8);

meanwhile, the most common morbidity symptom of the new coronavirus infection is fever and hypodynamia, so that the most common measurement measure in various public places is body temperature detection at present, the cleaning tool commonly used by people is a spray disinfection bottle with a small volume and capable of being carried about, and can only be used for spray disinfection.

Disclosure of Invention

The purpose of the invention is: the hand cleaning temperature measuring device is safe, convenient to use and carry, prevents disinfectant from being wasted, and measures the body temperature at any time.

The technical solution of the invention is as follows: a hand cleaning temperature measuring device comprises a fixing band and a liquid storage spray temperature measuring device, wherein the fixing band can be sleeved on a wrist of a person, and the hand cleaning temperature measuring device is characterized in that the liquid storage spray temperature measuring device is fixed on the fixing band and comprises a display screen controller, a spray upper cover, a buckle cover and a liquid storage base which are sequentially arranged from top to bottom, a nozzle is arranged on one side of the spray upper cover, an infrared temperature measuring device is pivoted on the other side of the spray upper cover, and the infrared temperature measuring device is electrically connected with the display screen controller; and pressing the liquid spraying upper cover twice, and spraying the disinfectant stored in the liquid storage base at the nozzle.

Preferably, the method comprises the following steps: the top of the spraying upper cover is concavely provided with a first groove, the display screen controller is arranged in the first groove, and the bottom of the spraying upper cover is convexly provided with an outer ring and an inner ring;

a first bulge is convexly arranged on one side of the liquid spraying upper cover, a liquid outlet pipeline is arranged in the first bulge, a pressing head and a nozzle are sleeved at the end part of the liquid outlet pipeline, the other end of the liquid outlet pipeline is communicated with a cavity formed on the inner side of the inner ring, a second bulge is convexly arranged on the other side of the liquid spraying upper cover, a hollow channel is arranged in the second bulge in a penetrating way, the infrared temperature measuring device is pivoted at the end part of the hollow channel, and the other end of the hollow channel is communicated with the first groove;

convex buckles are symmetrically and convexly arranged on the inner side of the outer ring;

and a plurality of adjusting buttons are arranged on the outer wall of the first groove and electrically connected with the display screen controller.

Preferably, the method comprises the following steps: the upper end of the liquid storage base is open, the buckle cover is fixed at the opening of the liquid storage base, a second groove is concavely arranged at the position, corresponding to the inner ring, of the top surface of the buckle cover, a first sleeve and a second sleeve are convexly arranged upwards at the bottom surface of the second groove, a hole penetrates through the center of the bottom surface of the second groove, and a third sleeve is convexly arranged downwards at the bottom surface of the second groove;

the bottom surface of the buckle cover is also convexly provided with a convex column, and an air inlet hole penetrates through the convex column;

a plurality of clamping grooves are uniformly and concavely arranged on the outer wall of the buckling cover.

Preferably, the method comprises the following steps: the draw-in groove is including pushing down section, buckle section, restoration section, it distributes to push down end, buckle section, restoration section in proper order, it is vertical decurrent recess design to push down the section, the buckle section with it communicates to push down section tip, the buckle section includes first direction section and location groove section, the cell wall of first direction section is along the upper right oblique reverse extension, location groove section upper and lower cell wall is down the V font and the summit all is located same perpendicular bisector, the restoration section includes second direction section and linkage segment, the second direction section with buckle section tip intercommunication, the second direction section all extends along upper left oblique direction with the cell wall of linkage segment, the second direction section is connected through the sloping platform with the linkage segment, the linkage segment with push down section waist intercommunication just the degree of depth of pushing down the section is darker than the linkage segment.

Preferably, the method comprises the following steps: the third sleeve is further fixedly provided with a valve body mounting seat, a liquid inlet hole penetrates through the center of the valve body mounting seat, a one-way ball valve is arranged between the valve body mounting seat and the second groove, and the diameter of the section of the liquid inlet hole is smaller than that of the one-way ball valve.

Preferably, the method comprises the following steps: the hole is composed of a central hole with the diameter smaller than that of the ball valve and a plurality of fan-shaped holes arrayed circumferentially around the circle center of the central hole.

Preferably, the method comprises the following steps: the spray device is characterized in that a movable pump core is further arranged between the spray upper cover and the buckle cover, the movable pump core comprises a piston and a spring, one end of the piston abuts against the bottom surface of the spray upper cover and is located in the inner ring, the other end of the piston is sleeved in the first sleeve, one end of the spring abuts against the end surface of the piston, the other end of the spring abuts against the bottom surface of the second groove and is located in a cavity formed between the first sleeve and the second sleeve, a liquid pipeline penetrates through the center of the piston, and the liquid pipeline is communicated with the cavity in the first sleeve.

Preferably, the method comprises the following steps: the outer wall of the end part of the inner ring is convexly provided with a clamping block, the outer edge of the end part of the inner ring is provided with a chamfer, the inner wall of the second groove is convexly provided with a buckling block, the inner ring wall is arranged in a cavity between the inner wall of the second groove and the outer wall of the second sleeve, and the upward sliding stroke of the injection upper cover is limited through the matching of the clamping block and the buckling block.

Preferably, the method comprises the following steps: infrared temperature measuring device includes infrared temperature sensor mount pad, installs inside infrared temperature sensor of infrared temperature sensor mount pad, install at infrared sensor mount pad and be located the installation lid of infrared temperature sensor top surface, install at infrared sensor mount pad and be located infrared temperature sensor bottom surface shield, infrared temperature sensor mount pad side is the protruding pin joint pole that is equipped with still, pin joint pole suit is like in the cavity passageway, infrared temperature measuring device passes through the pin joint pole with the pin joint of hydrojet upper cover, infrared temperature measuring device winds the pin joint pole is rotatory, is used for detecting the wearing person's body temperature or other people's body temperature or the all the other position body temperatures of wearing person respectively.

Preferably, the method comprises the following steps: the fixed band includes integrated into one piece's retainer plate and watchband, the retainer plate inner wall epirelief is equipped with the round flange, the liquid storage base outer wall goes up the concave round assembly annular that is equipped with, the flange with assembly annular cooperation will the liquid storage base is fixed in the retainer plate, and then with liquid storage hydrojet temperature measuring device monolithic stationary phase on the fixed band.

Compared with the prior art, the invention has the beneficial effects that:

1. the hand cleaning temperature measuring device provided by the invention is designed on the spray liquid upper cover and the buckle cover, when the spray liquid upper cover is pressed down for one time, disinfectant is sprayed out, and meanwhile, the spray liquid upper cover is locked to a lower position, so that the height is reduced, the appearance is more attractive, when the spray liquid upper cover is pressed down for the second time, the spray liquid upper cover is reset, the device can not spray the disinfectant, when the spray liquid upper cover is pressed down again, the disinfectant can be sprayed out again, and the disinfectant is prevented from being wasted;

2. through the designed pump core structure, the disinfectant flows out from the surrounding fan-shaped holes, the liquid spraying amount is larger than that of the single round hole, the adaptability to the viscosity of the disinfectant is improved, the height of the air inlet hole of the buckle cover is reduced, the overall height is reduced, and the overall appearance of the hand cleaning temperature measuring device is improved;

3. the opposite side of hydrojet upper cover still is equipped with rotatable infrared temperature measuring device, and rotatory infrared temperature measuring device aims at the temperature of oneself testable wearing person self and transmits the signal to the display screen controller, and the current wearing person temperature of display screen demonstration, and rotatory infrared temperature measuring device aims at the external world and can carry out temperature detection to other people or other positions of self to transmit signal to the display screen controller, the current test temperature of display screen display.

Drawings

FIG. 1 is a schematic view of the whole structure of the hand cleaning temperature measuring device of the present invention;

FIG. 2 is a schematic view of the mechanism of the hand cleaning temperature measuring device of the present invention with the securing strap separated from the liquid spray temperature measuring device;

FIG. 3 is a top view of the hand cleaning temperature measuring device of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

fig. 5 is an enlarged schematic view of the structure at B in fig. 1.

Description of the main Components

1 fixing belt	11 watchband	12 fixed ring	121 flange
				2 liquid storage and spraying temperature measuring device	21 display screen controller	22 spray liquid upper cover	221 first groove
222 outer ring	2221 convex buckle	223 inner ring	224 first projection
				2241 liquid storage pipeline	2242 press stud	2243 nozzle	225 second projection
2251 hollow channel	23 buckling cover	231 second groove	232 first sleeve
				233 second sleeve	234 type hole	235 third sleeve	236 convex column
2361 air intake	237 card slot	2371 pressing section	2372 first guide section
				2373 locating groove section	2374 second guide section	2375 the connecting segment	2376 inclined table
2377 the vertex groove	24 liquid storage base	241 assembly ring groove	25 infrared temperature measuring device
				251 infrared temperature sensor mounting base	252 infrared temperature sensor	253 mounting cover	254 dust cover
255 pivoting lever	261 valve mounting seat	262 one-way ball valve	271 piston
				272 spring	28 adjustment button

Detailed Description

The invention will be described in more detail below with reference to the accompanying drawings:

referring to fig. 1 and 2, a hand cleaning temperature measuring device comprises a fixing band 1 and a liquid storage spray temperature measuring device 2, wherein the hand cleaning temperature measuring device 2 is integrally in a watch shape, the liquid storage spray temperature measuring device 2 is detachably fixed on the fixing band 1, the fixing band 1 can be sleeved on a wrist of a person, and the liquid storage spray temperature measuring device 2 comprises a display screen controller 21, a spray upper cover 22, a buckle cover 23 and a liquid storage base 24 which are sequentially installed from top to bottom;

the fixing strap 1 comprises a watchband 11 and a fixing ring 12 which are integrally formed, a circle of flange 121 is convexly arranged on the inner wall of the fixing ring 12, a circle of assembling ring groove 41 is concavely arranged on the outer wall of the liquid storage base 4, the flange 121 is matched with the assembling ring groove 41 to fix the liquid storage base 4 in the fixing ring 12, and then the liquid storage spray temperature measuring device 2 is integrally fixed on the fixing strap 1;

stock solution hydrojet temperature measuring device 2 can also be revised as with the fixed mode of fixed band 1 the 12 inner walls of retainer plate are concave to be equipped with round assembly ring groove, 4 outer walls epirelief of stock solution base are equipped with the round flange, the flange with assembly ring groove cooperation will the stock solution base is fixed in the retainer plate, and then with stock solution hydrojet temperature measuring device 2 monolithic stationary on fixed band 1.

Referring to fig. 3 and 4, a first groove 221 is concavely formed on the top of the spraying upper cover 22, the display screen controller 21 is installed in the first groove 221, and an outer ring 222 and an inner ring 223 are convexly formed on the bottom of the spraying upper cover 22;

an arrow-shaped first bulge 224 is convexly arranged on one side of the liquid spraying upper cover 22, a liquid outlet pipeline 2241 is arranged in the first bulge 224, a press head 2242 and a nozzle 2243 are sleeved at the end part of the liquid outlet pipeline 2241, the other end of the liquid outlet pipeline 2241 is communicated with a cavity formed on the inner side of the inner ring 223, an arrow-tail-shaped second bulge 225 is convexly arranged on the other side of the liquid spraying upper cover 22, a hollow channel 2251 is arranged in the second bulge 225 in a penetrating manner, an infrared temperature measuring device 25 is pivoted at the end part of the hollow channel 2251, and the other end of the hollow channel 2251 is communicated with the first groove 221;

the infrared temperature measuring device 25 comprises an infrared temperature sensor mounting seat 251, an infrared temperature sensor 252 mounted inside the infrared temperature sensor mounting seat 251, a mounting cover 253 mounted on the infrared sensor mounting seat 251 and positioned on the top surface of the infrared temperature sensor 252, a dust-proof cover 254 mounted on the infrared sensor mounting seat 251 and positioned on the bottom surface of the infrared temperature sensor 252, the side surface of the infrared temperature sensor mounting seat 251 is further convexly provided with a pivoting rod 255, the pivoting rod 255 is sleeved in the hollow channel 2251, the infrared temperature measuring device 25 is pivoted with the spray liquid upper cover 22 through the pivoting rod 255, the infrared temperature measuring device 25 rotates around the pivoting rod 255, and when the infrared temperature measuring device 25 rotates to a position aligned with the wearer, the infrared temperature measuring device 25 is used for detecting the body temperature of the wearing part of the wearer, and when the infrared temperature measuring device 25 rotates to the position aligned with the outside, the body temperature of other people or the body temperatures of the rest parts of the wearer are detected;

the infrared temperature measuring device 25 is electrically connected with the display screen controller 21, transmits a signal to the display screen controller 21 after detecting the temperature, and the display screen controller 21 controls the display screen to display the current detected body temperature.

The inner side of the outer ring 222 is symmetrically provided with convex buttons 2221;

be equipped with a plurality of adjustment button 28 on the first recess 221 outer wall, adjustment button 28 is connected with display screen controller 21 electricity, can be used to adjust the display screen time and adjust disinfection interval and remind the time.

The upper end of the liquid storage base 24 is open, the buckle cover 23 rotates above the opening of the liquid storage base 24 through the matching of internal and external threads, a second groove 231 is concavely arranged at the center of the top surface of the buckle cover 23 and at a position corresponding to the inner ring 223, a first sleeve 232 and a second sleeve 233 are convexly arranged on the bottom surface of the second groove 231 upwards, a profile hole 234 penetrates through the center of the bottom surface of the second groove 231, and a third sleeve 235 is convexly arranged on the bottom surface of the second groove 231 downwards;

a convex column 236 is convexly arranged on the bottom surface of the buckle cover 23, and an air inlet 2361 penetrates through the convex column 236;

a plurality of clamping grooves 237 are uniformly and concavely arranged on the outer wall of the buckle cover 23.

A valve body mounting seat 261 is further fixedly arranged on the third sleeve 235, a liquid inlet hole penetrates through the center of the valve body mounting seat 261, a one-way ball valve 262 is arranged between the valve body mounting seat 261 and the second groove 231, and the diameter of the section of the liquid inlet hole is smaller than that of the one-way ball valve 262;

the shaped aperture 234 is comprised of a central aperture having a diameter less than the diameter of the ball valve 262 and a plurality of fan-shaped apertures circumferentially arrayed about the center of the central aperture.

The spray upper cover 22 and the buckle cover 23 further include a movable pump core, the movable pump core includes a piston 271 and a spring 272, one end of the piston 271 abuts against the bottom surface of the spray upper cover 22 and is located in the inner ring 223, the other end of the piston 271 is sleeved in the first sleeve 232, one end of the spring 272 abuts against the end surface of the piston 271, the other end of the spring abuts against the bottom surface of the second groove 231 and is located in a chamber formed between the first sleeve 232 and the second sleeve 233, a liquid pipeline 2711 penetrates through the center of the piston 271, and the liquid pipeline 2241 is communicated with the chamber in the first sleeve 232 through the liquid pipeline 2711.

The outer wall of the end part of the inner ring 223 is convexly provided with a clamping block, the outer edge of the end part of the inner ring is provided with a chamfer, the inner wall of the second groove 231 is convexly provided with a buckling block, the wall of the inner ring 223 is arranged in a cavity between the inner wall of the second groove 231 and the outer wall of the second sleeve 233, and the upward sliding stroke of the injection upper cover is limited through the matching of the clamping block and the buckling block.

Referring to fig. 5, the specific shape of the clamping groove 237 includes a downward pressing section 2371, a fastening section, and a restoring section, the downward pressing section 2371, the fastening section, and the restoring section are sequentially distributed in a descending step shape, the downward pressing section 2371 is designed as a vertical downward groove, the fastening section is communicated with an end of the downward pressing section 2371, the fastening section includes a first guiding section 2372 and a positioning groove section 2373, the first guiding section 2372 is communicated with the end of the downward pressing section 2371, a groove wall of the first guiding section 2372 extends in an upward-right oblique direction, upper and lower groove walls of the positioning groove section 2373 are in an inverted V shape and vertexes thereof are located on the same central vertical line, the restoring section includes a second guiding section 2374 and a connecting section 2375, the second guiding section 2374 is communicated with the end of the positioning groove section 2373, the second guiding section 2374 and a groove wall of the connecting section 2375 extend in an upward-left oblique direction, the second guiding section 2374 is connected with the connecting section 2375 by an oblique table 2376, connecting section 2375 and lower section 2371 waist intercommunication and the depth of lower section 2371 is darker than connecting section 2375.

The working principle of secondary pressing of the spraying upper cover is as follows: the convex buckle 2221 of the spraying upper cover 22 is matched with the clamping groove 237 and is positioned at the top end of the lower pressing section 2371 of the clamping groove 237, when a user presses the spraying upper cover 22, the convex buckle 2221 vertically moves downwards along the lower pressing section 2371, when the lowest point of the lower pressing section 2371 is reached, the next step is entered, namely, the buckle section 2372 is entered, at the moment, the user releases the hand, the spraying upper cover 22 is acted by the spring 272 from the movable pump core, has an upward movement force, moves along the upper groove wall of the buckle section, finally, the vertex groove 2377 of the groove section 2373 is repositioned to stop moving, the position of the spraying upper cover is at the low position, and the whole device is beautiful;

when a user applies downward pressure to the spraying upper cover 22 again, the convex buckle moves downwards from the top groove 2377 along the lower groove wall of the positioning groove section 2373 and enters the next step when reaching the lower limiting position, namely, the external force is removed at the moment, the spraying upper cover 22 is wholly influenced by the spring 272 from the movable pump core again, an upward movement force is generated, the convex buckle sequentially passes through the second guide section 2374, the inclined table 2376 and the connecting section 2375 along the upper groove wall of the resetting section, and finally the end of the reconnecting section 2375 enters the next step and returns to the pressing section 2371, then moves vertically upwards, and resetting is completed.

The working principle of the liquid spraying device of the invention is as follows: disinfectant is stored in the cavity of the liquid storage base, the buckle cover rotates above the opening of the liquid storage base through the matching of the internal thread and the external thread to form a closed space, the disinfectant in the cavity is prevented from leaking outwards, when a wearer presses the spray upper cover 22 once, the convex buckle of the spray upper cover presses downwards along the track of the clamping groove, and rebounds and is locked at the vertex groove under the action of the spring of the movable pump core, the position of the spray upper cover is at a low position, the space of the cavity in the first sleeve becomes small, the disinfectant in the cavity is extruded, and the disinfectant is sprayed out from the nozzle through the liquid pipeline and the liquid outlet pipeline;

when the person of wearing presses down the injection upper cover for the second time, the orbit of draw-in groove is pushed down along the protruding knot of injection upper cover, and reset to initial position under the spring action of activity pump core, the injection upper cover position is in the eminence, the space grow of the inside cavity of first sleeve, outside gas can't flow in through the nozzle fast, consequently, the inside cavity of first sleeve forms the negative pressure in short time, ball check valve switches on, antiseptic solution in the stock solution base passes through ball check valve and flows into the inside cavity of first sleeve, antiseptic solution volume in the stock solution base this moment reduces, the inside atmospheric pressure of stock solution base reduces, outside gas gets into the stock solution base through the inlet port in the projection, with the inside atmospheric pressure of balanced stock solution base.

The invention changes the primary pressing liquid discharge of the prior art into the secondary pressing liquid discharge, so that the device is positioned at the lower position when not used, the integral structure is ensured to be attractive, and meanwhile, the phenomenon that a wearer triggers by mistake to cause the waste of disinfectant is prevented.

The above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.