CN213312893U

CN213312893U - Automatic sterilizing machine

Info

Publication number: CN213312893U
Application number: CN202021405565.5U
Authority: CN
Inventors: 涂自群
Original assignee: Ningbo Fujia Industrial Co Ltd
Current assignee: Ningbo Fujia Industrial Co Ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-06-01
Anticipated expiration: 2030-07-16

Abstract

The utility model discloses an automatic sterilizer, including nozzle (1), liquid storage pot (8), switch, pump, nozzle (1) is through transfer line and liquid storage pot (8) intercommunication, and the pump is arranged in pumping the antiseptic solution in liquid storage pot (8) to nozzle (1) through the transfer line, and the switch is used for the work of control pump, still includes check valve (24), and the input of transfer line is located in check valve (24) to be located liquid storage pot (8), the advantage is: the stability of the spraying amount is improved, and the use experience of a user is obviously improved.

Description

Automatic sterilizing machine

Technical Field

The utility model relates to a degassing unit technical field specifically says to an automatic sterilizing machine.

Background

There is an automatic disinfection machine, it is through the pump sending antiseptic solution, realizes spraying of antiseptic solution, for example sprays on the surface of hand to supply the people to use the disinfection, automatic disinfection machine is intermittent type nature work, sprays the antiseptic solution at every turn, and it is many times less during the volume of spraying, and the control to the volume of spraying at present mainly relies on the operating time control to the pump to realize, but in-service use still is not ideal, and the volume of spraying stability is relatively poor, and user's use is experienced not well.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem that exists among the prior art, now provide an automatic sterilizer, the volume of spraying stability promotes, and user's use experience is showing and is improving.

The specific technical scheme is as follows:

an automatic sterilizer comprises a nozzle, a liquid storage tank, a switch and a pump, wherein the nozzle is communicated with the liquid storage tank through a liquid conveying pipe, the pump is used for pumping disinfectant in the liquid storage tank out to the nozzle through the liquid conveying pipe, the switch is used for controlling the work of the pump, and the automatic sterilizer also comprises a one-way valve which is arranged at the input end of the liquid conveying pipe and is positioned in the liquid storage tank.

The beneficial effects of the above technical scheme are that:

when out of work, the one-way valve can prevent the disinfectant in the infusion tube from falling back to the liquid storage tank, so that air entering into the infusion tube can be avoided, the disinfectant can be sprayed in time when the pump works again, the situation of spraying air can not happen, and the disinfectant spraying amount is stable. When the pump is in work, the one-way valve can be opened under the action of negative pressure, so that the disinfectant can be continuously supplemented into the infusion tube, the stable performance of the disinfectant spraying amount can be ensured under the intermittent work application environment of the automatic disinfection machine, and the use experience of a user is obviously improved.

Preferably, the check valve is provided with a filter screen at the liquid inlet thereof, so that on one hand, the filter effect is achieved, and on the other hand, the flow stability is facilitated by the filter screen.

The preferred, the inlet includes according to the preface setting and the inlet of intercommunication reduces the part and enlarges the part, reduces the import that the part is as the inlet, enlarges the export as the inlet, the export installation of inlet the filter screen, reduce the part velocity of flow higher, can pass through fast and get into the enlargement part, the enlargement part slows down the back and is favorable to passing through the filter screen, and the filter effect is good, and flow is steady, reduces the part velocity of flow higher and is favorable to avoiding the dirt deposit at the part that reduces.

Preferably, the inlet is provided with a groove for feeding liquid to the side surface of the liquid inlet, so that the flow of the liquid inlet is improved, and the liquid inlet is not easy to block.

Preferably, the groove adopts a V-shaped groove, the structure is simple and reliable, and the manufacture is convenient.

Preferably, the check valve comprises a joint, a valve body, a valve core, an elastic part and a valve seat, wherein an annular platform is arranged on the inner side of the valve seat, a filter screen is attached to the annular platform, the valve body is sleeved with the valve seat, the filter screen is tightly pressed and fixed on the annular platform by the valve body, a containing cavity is arranged between the valve body and the valve seat and is positioned on the upper side of the filter screen, a liquid inlet is formed on the lower side of the filter screen, a liquid outlet is formed on the upper end of the valve body, the upper end of the valve body is sleeved with the lower end of the joint, an installation cavity is formed between the upper end of the valve body and the lower end of the joint, the elastic part and the valve core are arranged in the installation cavity, the upper end of the elastic part is abutted against the inner top surface of the lower end of the joint, the lower end of the elastic, convenient assembly and good use effect.

The preferred, bottom surface and joint lower extreme terminal surface ultrasonic bonding form the upper portion subassembly in the valve body upper end, and with the elastic component, the case seals in the installation cavity, this upper portion subassembly is connected through valve body periphery wall and disk seat internal perisporium joint, aforementioned structure more is favorable to the assembly and improves the assembly yield, be about to valve body and articulate formation relatively independent upper portion subassembly, the upper portion subassembly seals and installs the elastic component, the case, when the assembly, it is very convenient to assemble, also need not on-the-spot installation elastic component and case, when improving assembly efficiency, still be difficult to the wrong dress or produce installation defects.

The preferred, still including the support arm that is used for installing the nozzle, the guide surface or the horizontally guide surface of low outside the nozzle below is equipped with, aforementioned structure can make the consumer need not too much attention just can obtain the exact use posture through the guide surface, and is very convenient, be favorable to promoting consumer's use experience, and simultaneously, under the certain prerequisite of the volume of spraying, reach certain angle and the degree of depth of stretching into, thereby make and spray the effect and ensure, in the use, use at every turn, under the certain condition of the volume of spraying, still can obtain better face and concentration of spraying, so spray the uniformity of the effect that obtains at every turn preferred, be favorable to spraying the control of disinfectant quantity at every turn.

Preferably, the support arm includes vertical portion and slant top portion, and slant top portion installation nozzle, vertical portion front side set up the guide face, like this, facilitate the use, it is better to spray the effect.

The preferred includes the fuselage, and the fuselage upper end is provided with the support arm, installs the liquid storage pot in the fuselage, and the fuselage up end is as the guide face, and like this, the fuselage up end is as the guide face, consequently need not additionally to set up the guide face, is favorable to simplifying the structure, promotes complete machine compact structure.

Drawings

FIG. 1 is a top view of a fluid reservoir.

Fig. 2 is a sectional view taken along line a-a of fig. 1.

Fig. 3 is a half-sectional enlarged view of the check valve.

Fig. 4 is a perspective view of the check valve.

Fig. 5 is a side view of an automatic sterilizer.

Fig. 6 is a schematic view of fig. 5 with an angle a.

Fig. 7 is a schematic diagram of fig. 5 with a distance d.

Fig. 8 is a schematic view of fig. 5 with an angle b.

Figure 9 is a schematic view of figure 5 with a portion of the support arm housing and guide surface hidden.

Fig. 10 is a rear view of an automatic sterilizer.

Fig. 11 is a perspective view of an automatic sterilizer.

FIG. 12 is a schematic view of the separation of the fluid reservoir from the body of an automated sterilizer.

Description of reference numerals: 1-nozzle, 2-guide surface, 3-vertical part, 4-inclined upward part, 5-non-contact sensor, 6-on-off switch, 7-machine body, 8-liquid storage tank, 9-battery bin cover, 10-filter screen, 11-reduced part, 12-enlarged part, 13-V-shaped groove, 14-joint, 15-valve body, 16-valve core, 17-elastic part, 18-valve seat, 19-containing cavity, 20-liquid outlet, 21-installation cavity, 22-liquid outlet pipe, 23-internal part of infusion tube tank and 24-one-way valve.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purposes of limitation.

As shown in fig. 1, 2 and 11, the utility model relates to an automatic sterilizer, which comprises a nozzle 1, a liquid storage tank 8, a switch and a pump, wherein the nozzle 1 is communicated with the liquid storage tank 8 through a perfusion tube, the pump is used for pumping the disinfectant in the liquid storage tank 8 out to the nozzle 1 through the perfusion tube, the switch is used for controlling the work of the pump, and the automatic sterilizer also comprises a check valve 24, the check valve 24 is arranged at the input end of the perfusion tube and is positioned in the liquid storage tank 8.

As shown in fig. 2 and 12, in order to realize the disassembly of the liquid storage tank 8, the infusion tube comprises an infusion tube in-tank part 23 and an infusion tube out-tank part, so that the infusion tube is divided into two sections, and the function of the infusion tube is not influenced when the liquid storage tank 8 is disassembled.

As shown in fig. 3, the check valve 24 is provided with a filter screen 10 at its liquid inlet.

As shown in fig. 2, 3 and 4, the check valve 24 includes a joint 14, a valve body 15, a valve core 16, an elastic member 17 and a valve seat 18, an annular platform is disposed inside the valve seat 18, the annular platform is attached to a filter screen 10, the valve body 15 is sleeved with the valve seat 18, the filter screen 10 is tightly pressed and fixed by the valve body 15 on the annular platform, a cavity 19 is disposed between the valve body 15 and the valve seat 18, the cavity 19 is located above the filter screen 10, a liquid inlet is disposed below the filter screen 10, a liquid outlet 20 is disposed above the valve body 15, an upper end of the valve body 15 is sleeved with a lower end of the joint 14, an installation cavity 21 is formed between the upper end of the valve body 15 and the lower end of the joint 14, the elastic member 17 and the valve core 16 are disposed in the installation cavity 21, an upper end of the elastic member 17 abuts against an inner top surface of a lower end of the joint 14, a lower end of, The mounting cavity 21 and the liquid outlet pipe 22 of the joint 14 are sequentially communicated along the axial direction of a one-way valve 24, and the valve core 16 is used for opening/closing the liquid outlet 20.

As shown in fig. 3, the valve core 16 is provided with a guide rod, and the guide rod is in guiding fit with the liquid outlet 20.

As shown in fig. 3, the liquid inlet includes a reduced portion 11 and an enlarged portion 12, which are sequentially disposed and communicated, the reduced portion 11 is an inlet of the liquid inlet, the enlarged portion 12 is an outlet of the liquid inlet, and the filter screen 10 is installed at the outlet of the liquid inlet.

The inlet is provided with a groove for feeding liquid from the side surface of the liquid inlet.

As shown in fig. 4, the groove is a V-shaped groove 13.

As shown in fig. 3, the inner bottom surface of the upper end of the valve body 15 and the end surface of the lower end of the joint 14 are ultrasonically welded to form an upper assembly, and the elastic member 17 and the valve core 16 are enclosed in the installation cavity 21, and the upper assembly is connected with the inner peripheral wall of the valve seat 18 in a clamping manner through the outer peripheral wall of the valve body 15.

As shown in fig. 5, a support arm for mounting the nozzle 1 is further included, and a guide surface 2 with a high inside and a low outside or a horizontal guide surface 2, such as the guide surface 2 with a high inside and a low outside, is arranged below the nozzle 1, which is better than the horizontal arrangement.

The lower surface of the support arm and the guide surface 2 are distributed in a splayed opening.

The support arm comprises a vertical portion 3 and a diagonally upward portion 4, the diagonally upward portion 4 mounting the nozzle 1, the support arm lower surface being the lower surface of the diagonally upward portion 4.

The automatic sterilizer of this example comprises a body 7, a support arm is provided at the upper end of the body 7, a liquid storage tank 8 is installed in the body 7, and the upper end surface of the body 7 is used as a guide surface 2.

As shown in fig. 6, the included angle a between the guide surface 2 and the horizontal plane ranges from 0 degree to 55 degrees, including 55 degrees, and further, the included angle a capable of obtaining better usability and better experience in use ranges from 4 degrees to 24 degrees, including 4 degrees and 24 degrees, in this example 14 degrees.

As shown in fig. 7, the distance d between the nozzle 1 and the guide surface 2 ranges from 39 mm to 109 mm, including 39 mm and 109 mm, in this case 69.7 mm.

As shown in fig. 8, the angle b between the axis of the nozzle 1 and the guide surface 2 ranges from 20 degrees to 80 degrees, including 20 degrees and 80 degrees, in this case 42 degrees.

As shown in fig. 9, the switch employs a non-contact sensor 5, which non-contact sensor 5 is located on the guide surface 2 or on the support arm.

In this example, a non-contact sensor 5, such as a body-sensitive sensor, is located at the transition between the vertical portion 3 and the obliquely upward portion 4.

As shown in fig. 10 and 12, the body 7 is provided with a liquid storage tank 8, a pump, a circuit board, an on-off switch 6, a battery compartment and a battery compartment cover 9, the liquid storage tank 8, the pump and the nozzle 1 are sequentially communicated, the on-off switch 6 is used for switching on and off, the battery, the on-off switch 6 and the pump are respectively electrically connected with the circuit board, and the circuit board is also electrically connected with the non-contact sensor 5.

When the disinfection liquid dispenser is used, the on-off switch 6 is firstly used for electrifying, after the electrification, a hand enters a sensing area of the non-contact sensor 5 to trigger the pump to work, and the pump works to pump the disinfection liquid to the nozzle 1 to be sprayed out.

The present invention has been described in an illustrative manner, and is not to be construed as limited by the claims. The present invention is not limited to the above embodiments, and the specific structure thereof allows for changes, all the changes made within the protection scope of the independent claims of the present invention are within the protection scope of the present invention.

Claims

1. An automatic sterilizer comprises a nozzle (1), a liquid storage tank (8), a switch and a pump, wherein the nozzle (1) is communicated with the liquid storage tank (8) through a liquid conveying pipe, the pump is used for pumping disinfectant in the liquid storage tank (8) out to the nozzle (1) through the liquid conveying pipe, and the switch is used for controlling the work of the pump, and is characterized by further comprising a one-way valve (24), and the one-way valve (24) is arranged at the input end of the liquid conveying pipe and is positioned in the liquid storage tank (8).

2. An automatic sterilizer as claimed in claim 1, wherein the one-way valve (24) is provided with a filter screen (10) at its liquid inlet.

3. The automatic sterilizer of claim 2, wherein the liquid inlet comprises a reduced portion (11) and an enlarged portion (12) which are arranged in sequence and are communicated with each other, the reduced portion (11) is used as an inlet of the liquid inlet, the enlarged portion (12) is used as an outlet of the liquid inlet, and the outlet of the liquid inlet is provided with the filter screen (10).

4. An automatic sterilizer as claimed in claim 3, wherein the inlet is provided with a groove for feeding liquid to the side of the liquid inlet.

5. An automatic sterilizer as claimed in claim 4, wherein the grooves are V-shaped grooves (13).

6. The automatic sterilizer of any one of claims 1 to 4, wherein the check valve (24) comprises a joint (14), a valve body (15), a valve core (16), an elastic member (17) and a valve seat (18), an annular platform is arranged on the inner side of the valve seat (18), a filter screen (10) is arranged on the annular platform in an attached manner, the valve body (15) is sleeved with the valve seat (18), the filter screen (10) is tightly pressed and fixed on the annular platform by the valve body (15), a containing cavity (19) is arranged between the valve body (15) and the valve seat (18), the containing cavity (19) is positioned on the upper side of the filter screen (10), a liquid inlet is arranged on the lower side of the filter screen (10), a liquid outlet (20) is arranged on the upper end of the valve body (15), the upper end of the valve body (15) is sleeved with the lower end of the joint (14), a mounting cavity (21) is formed between the upper end of the valve body (15, elastic component (17) upper end offsets with the interior top surface that connects (14) lower extreme, and elastic component (17) lower extreme offsets with case (16), and case (16) are under elastic component (17) effect to paste tightly downwards and seal liquid outlet (20), and inlet, appearance chamber (19), liquid outlet (20), installation cavity (21), drain pipe (22) of joint (14) are followed check valve (24) axial and are linked together in proper order, and case (16) are used for opening/close liquid outlet (20).

7. The automatic sterilizer of claim 6, wherein the inner bottom surface of the upper end of the valve body (15) and the end surface of the lower end of the adapter (14) are ultrasonically welded to form an upper assembly, and the elastic member (17) and the valve element (16) are enclosed in the installation cavity (21), and the upper assembly is connected with the inner peripheral wall of the valve seat (18) in a snap-fit manner through the outer peripheral wall of the valve body (15).

8. An automatic sterilizer as claimed in claim 1, further comprising a support arm for mounting the nozzle (1), the nozzle (1) being provided with a guide surface (2) which is high inside and low outside or a horizontal guide surface (2) below.

9. An automatic sterilizer as claimed in claim 8, characterized in that the supporting arm comprises a vertical part (3) and a diagonally upward part (4), the diagonally upward part (4) mounting the nozzle (1), the front side of the vertical part (3) being provided with said guide surface (2).

10. The automatic sterilizer of claim 8, comprising a body (7), wherein a support arm is provided at the upper end of the body (7), a liquid storage tank (8) is installed in the body (7), and the upper end surface of the body (7) serves as the guide surface (2).