CN113356742B

CN113356742B - Thermal insulation curtain device capable of being opened without contact and having automatic disinfection function

Info

Publication number: CN113356742B
Application number: CN202110631941.5A
Authority: CN
Inventors: 薛飞; 王鸣
Original assignee: SAIC Volkswagen Automotive Co Ltd
Current assignee: SAIC Volkswagen Automotive Co Ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2022-06-07
Anticipated expiration: 2041-06-07
Also published as: CN113356742A

Abstract

The invention discloses a thermal insulation curtain device which is opened without contact and has an automatic disinfection function, comprising: the device comprises a main body frame, a base, an inclined pedal, a movable pedal assembly, a first heat-preservation curtain assembly, a second heat-preservation curtain assembly, a heat-preservation curtain transmission mechanism, a disinfectant container, a spraying device and a double-acting pump. When the movable pedal component is pressed down, the movable pedal component drives the heat-preservation curtain transmission mechanism to drive the second heat-preservation curtain component to be folded, so that the first heat-preservation curtain component is unfolded; when the movable pressing plate component is reset, the movable pressing plate component drives the heat-preservation curtain transmission mechanism to drive the first heat-preservation curtain component to be folded so as to expand the second heat-preservation curtain component; in addition, when the movable pedal assembly is pressed down, the deflector rod of the inclined pedal can be driven to compress or stretch the piston rod of the double-acting pump, so that the first disinfectant in the first disinfectant tank is pumped to the spraying device; when the movable pressing plate component is reset, the movable pressing plate component drives the deflector rod of the inclined pedal to stretch or compress the piston rod of the double-acting pump so as to pump the second disinfectant to the spraying device.

Description

Thermal insulation curtain device capable of being opened without contact and having automatic disinfection function

Technical Field

The invention relates to a thermal insulation curtain device, in particular to a thermal insulation curtain device capable of being opened without contact.

Background

As is well known, in automobile production enterprises, a machining workshop of an engine factory is a workshop for producing high-precision parts such as cylinder bodies, cylinder covers, crankshafts, connecting rods and the like, and the highest precision of products can reach micron level. In such a workshop for producing high-precision parts, in order to avoid the influence of thermal expansion and cold contraction on production equipment and product precision, the workshop is generally required to be subjected to constant temperature control.

When a constant-temperature workshop is arranged, a heat-insulating curtain is hung on a gate entering and exiting the workshop so as to isolate the air circulation inside and outside the workshop. With the improvement of the epidemic prevention requirement of the new crown epidemic situation, the thermal insulation curtain is generally required to be opened by hands when the staff get in and out of the workshop gate, so that the thermal insulation curtain becomes a very potential infection way for transmitting the new crown virus through contact.

All people and materials entering the workshop should be disinfected due to epidemic prevention requirements of the new crown epidemic situation in a special period. Since some engine parts, small parts and blanks may come from areas with high risk of epidemic situations, even from foreign countries with serious epidemic situations, these parts must be thoroughly sterilized before entering the workshop to ensure safety.

At present, the disinfection solution generally adopted in the prior art is 84 disinfection solution, the main component of the disinfection solution is sodium hypochlorite, a sodium hypochlorite solution is unstable, the sodium hypochlorite solution can be slowly decomposed to generate hypochlorous acid, the hypochlorous acid can be continuously decomposed to generate hydrochloric acid under the influence of illumination, and the hydrochloric acid can continuously react with the sodium hypochlorite to generate chlorine with strong irritation. Because the constant temperature workshop is a closed space, ventilation with the outside is generally realized only by an air filtering system, and chlorine generated by the reaction of hydrochloric acid and sodium hypochlorite is easy to accumulate in the workshop, thereby influencing the physical health of staff.

In order to solve the problems in the prior art, some researchers have carried out related optimization design, and have obtained the following improvements:

1. a motorized door curtain with sensors is used. When the sensor detects that the person approaches the material trolley, the door curtain is automatically opened. After the personnel and the logistics vehicle pass through, the door curtain is automatically closed.

2. A disinfectant spraying device with a motor-controlled pump having a sensor is used. When the sensors detect that the personnel and the material trolley are close to each other, the pumps are automatically started to spray disinfectant to the personnel and the logistics trolley.

However, the two improvements still have certain defects, and some problems often occur in the practical application process. When the improved scheme 1 is adopted, the door curtain needs to be controlled by the motor with the sensor, the technical scheme has high cost, a plurality of motors are needed to complete the closing and opening of the two door curtains and the movement of the liquid spraying bracket, and the sequential action sequence logic control of the motors is very complicated.

When adopting above-mentioned improvement scheme 2, need utilize the pump antiseptic solution sprinkler that has the sensor and have motor control, this kind of technical scheme cost is also higher, and it needs the cooperation of many motors to accomplish the spraying of antiseptic solution, and the order logic control of the successive action of each motor is very complicated.

Therefore, in order to solve the above problems in the prior art, the present invention is directed to a thermal curtain device with a non-contact opening and an automatic sterilization function, which can automatically open and close the thermal curtain using the gravity of a person or a material cart as a power source and automatically spray a disinfectant solution and a neutralizing solution.

Different from other motor-controlled heat-insulating curtain devices with sensors in the prior art, the device can realize non-contact opening and automatic disinfection of the heat-insulating curtain device only by utilizing the gravity of goods and people without other energy sources. The heat-insulating curtain device has the advantages of simple structure, simple and convenient manufacturing and maintenance, good reliability, convenient use and operation, obvious effects of disinfection and temperature isolation, and good popularization prospect and application value.

Disclosure of Invention

One of the objectives of the present invention is to provide a thermal curtain device with a non-contact opening and automatic sterilization function, which does not require other energy sources, and can achieve non-contact opening and automatic sterilization of the thermal curtain device by using only the gravity of the goods and the human.

The heat-insulating curtain device has the advantages of simple structure, simple and convenient manufacturing and maintenance, good reliability, convenient use and operation, obvious effects of disinfection and temperature isolation, and good popularization prospect and application value.

In order to achieve the above object, the present invention provides a thermal curtain device with contactless opening and automatic sterilization function, comprising:

a main body frame and a base;

the inclined pedal is arranged on the base, and a deflector rod extending outwards is arranged on the inclined pedal;

a movable pedal assembly hinged to the inclined pedal, the movable pedal assembly being configured to be depressed by a vertically downward external force and to be reset by an elastic force;

the first heat-preservation curtain component is arranged on the front side surface of the main body frame in a hanging manner;

the second heat-preservation curtain component is arranged on the rear side surface of the main body frame in a hanging manner;

the heat-preservation curtain transmission mechanism is connected with the movable pedal assembly and is respectively connected with the first heat-preservation curtain assembly and the second heat-preservation curtain assembly;

the disinfection solution container is internally provided with a first disinfection solution tank for containing a first disinfection solution and a second disinfection solution tank for containing a second disinfection solution;

the spraying device is correspondingly communicated with the first disinfection liquid tank and the second disinfection liquid tank through a first disinfection liquid conveying pipeline and a second disinfection liquid conveying pipeline respectively;

a double-acting pump having a piston rod connected to a shift lever on the tilt pedal;

when the movable pedal assembly is pressed down, the movable pedal assembly drives the heat-preservation curtain transmission mechanism to drive the second heat-preservation curtain assembly to be folded and drive the first heat-preservation curtain assembly to be unfolded; when the movable pressing plate component is reset, the movable pressing plate component drives the heat-preservation curtain transmission mechanism to drive the first heat-preservation curtain component to be folded and drive the second heat-preservation curtain component to be unfolded;

when the movable pedal component is pressed down, the movable pedal component drives a deflector rod of the inclined pedal to compress or stretch a piston rod of the double-acting pump so as to pump the first disinfectant in the first disinfectant tank to the spraying device; when the movable pressing plate component is reset, the movable pressing plate component drives the deflector rod of the inclined pedal to stretch or compress the piston rod of the double-acting pump so as to pump the second disinfectant in the second disinfectant tank to the spraying device.

In the above technical solution of the present invention, when the thermal curtain device of the present invention is actually adopted, when a person or a material trolley passes through the inclined pedal and the movable pedal assembly, under the action of gravity of the person or the material trolley, the pedal body in the movable pedal assembly can overcome the elastic force generated by the compression of the spring to move downward, so that the first thermal curtain assembly disposed on the front side surface of the main body frame can be closed, and the second thermal curtain assembly disposed on the rear side surface of the main body frame can be opened. When people or materials leave, the movable pressing plate component resets, the first heat-preservation curtain component can be opened, and the second heat-preservation curtain component is closed. The design mode that one door curtain is closed and one door curtain is opened at any time can effectively isolate the temperature inside and outside the workshop to ensure that the temperature in the workshop is kept in a constant state.

Further, in the thermal curtain apparatus of the present invention, the movable pedal assembly includes:

a pedal body hinged with the inclined pedal;

the vertical rod is fixedly connected with the pedal body and inserted into the vertical hole of the base;

the spring is sleeved on the periphery of the vertical rod and arranged between the pedal body and the base.

Further, in the thermal curtain device according to the present invention, the thermal curtain transmission mechanism includes:

the first rack is fixedly connected with the movable pedal assembly;

first gear shaft is equipped with first gear on it, first gear is connected with first rack toothing, two tip on the axial direction of first gear shaft are equipped with first cylinder and second cylinder respectively, and wherein the winding has first haulage rope on the first cylinder, the end of first haulage rope is equipped with first balancing weight, and the winding has the second haulage rope on the second cylinder, the end of second haulage rope is equipped with the second balancing weight, first haulage rope is connected with first heat preservation curtain subassembly to realize the expansion or folding of first heat preservation curtain subassembly, the second haulage rope is connected with second heat preservation curtain subassembly, in order to realize the expansion or folding of second heat preservation curtain subassembly.

Further, in the thermal curtain apparatus of the present invention, each of the first thermal curtain assembly and the second thermal curtain assembly includes:

a roller provided on a cross beam of the main body frame and capable of sliding along the cross beam;

the door curtain clamping block is connected with the roller, and a hole for the first traction rope or the second traction rope to pass through is formed in the door curtain clamping block;

the heat-preservation curtain body is connected with the door curtain clamping block and can rotate around the axis of the door curtain clamping block;

and the limiting block is arranged on the first traction rope or the second traction rope so as to push the door curtain clamping block to drive the heat preservation curtain body to slide along the cross beam along with the pulling of the first traction rope or the second traction rope, so that the heat preservation curtain body can be unfolded or folded.

Further, in the thermal curtain apparatus of the present invention, the first thermal curtain assembly and the second thermal curtain assembly further each include:

the end part of the traction rope roller bracket is provided with an inclined plane limiting structure which is used for limiting the expansion or folding limit position of the first heat-preservation curtain component or the second heat-preservation curtain component;

the traction rope roller is fixedly arranged on the traction rope roller support, and the first traction rope or the second traction rope bypasses the traction rope roller.

Further, the thermal curtain device of the present invention further includes:

the spraying bracket assembly is provided with a spraying device;

the spraying bracket transmission mechanism is respectively connected with the movable pedal assembly and the spraying bracket assembly;

the movable pedal assembly is pressed down and reset to drive the spraying support transmission mechanism to act so as to drive the spraying support assembly to slide between the front side face and the rear side face of the main body frame.

Further, in the heat-insulating curtain apparatus of the present invention, the spray bracket transmission mechanism includes:

the second rack is fixedly connected with the movable pedal assembly;

a second gear set in meshed connection with the second rack;

a first pulley connected with the second gear set;

the belt pulley shaft is arranged at the upper end of the main body frame, and a second belt pulley and a third gear are arranged on the belt pulley shaft;

and the third rack is meshed with the third gear, and the third rack is fixedly connected with the spraying bracket assembly.

In the technical scheme of the invention, the inventor reasonably designs the mechanical structures of the spraying bracket transmission mechanism and the spraying bracket component, so that the spraying device can move back and forth above people and materials to uniformly spray when the movable pedal component is pressed down or reset.

It should be noted that, in the present invention, when a person or a material trolley passes through the inclined pedal and the movable pedal assembly, the spraying device can move linearly from the front side to the rear side of the main body frame; when the movable pressing plate assembly is reset, the spraying device can also be reset to one end of the spraying bracket assembly from the front side surface of the main body frame.

Further, in the heat-insulating curtain device of the present invention, the disinfectant liquid container is disposed in the base.

Further, in the heat-insulating curtain device of the present invention, the second disinfecting liquid is a liquid capable of neutralizing the first disinfecting liquid.

Furthermore, in the heat-insulating curtain device of the present invention, the pipelines between the double-acting pump and the first disinfectant tank and the second disinfectant tank are respectively provided with a one-way valve, and the one-way valve allows the first disinfectant or the second disinfectant to correspondingly flow into the double-acting pump from the first disinfectant tank or the second disinfectant tank, and prevents the first disinfectant or the second disinfectant from correspondingly flowing into the first disinfectant tank or the second disinfectant tank from the double-acting pump.

Compared with the prior art, the thermal insulation curtain device which is opened without contact and has the automatic disinfection function has the following advantages and beneficial effects:

the thermal insulation curtain device can utilize the gravity of a person or a material trolley as a power source to realize the automatic opening and closing of the thermal insulation curtain and automatically spray disinfectant and neutralizing liquid.

According to the invention, through reasonable mechanical structure design, the effect of gravity of people or a material trolley is utilized, and only one heat-preservation door curtain is opened and the other heat-preservation door curtain is closed under any condition. By adopting the design, when the heat-insulating curtain device is applied to a workshop gate, the temperature inside and outside a workshop can be isolated, and the temperature in the workshop can be kept in a constant state.

In addition, in the thermal insulation curtain device, when people or material trolleys pass through the inclined pedal and the movable pedal assembly, the spraying device can move linearly from the front side surface to the rear side surface of the main body frame, and when the movable pressing plate assembly is reset, the spraying device can be arranged at one end of the spraying support assembly from the front side surface of the main body frame. By adopting the optimized design, the spraying device can move back and forth above people and materials to spray uniformly.

In addition, the double-acting pump is reasonably designed, and sodium hypochlorite solution and sodium hydroxide neutralization solution can be correspondingly sprayed in sequence when the movable pedal assembly is pressed down and reset, so that the potential safety hazard of irritant gas is eliminated.

Drawings

Fig. 1 is a schematic structural view of an insulation curtain device according to an embodiment of the present invention from a viewing angle.

Fig. 2 is a schematic structural view of an insulation curtain device according to another embodiment of the present invention.

Fig. 3 is a structural view of an insulation covering device according to an embodiment of the present invention in a dissected condition.

Fig. 4 is a partial enlarged view of the structure shown in fig. 3 at a.

Fig. 5 is a schematic structural view of an insulation curtain device according to another embodiment of the present invention from another perspective.

Fig. 6 is a partial enlarged view of the structure shown in fig. 5 at B.

Fig. 7 is a structural plan view of an insulated curtain apparatus according to an embodiment of the present invention.

Fig. 8 is a partial enlarged view of the structure shown in fig. 7 at C.

Fig. 9 is a partial enlarged view of the structure shown in fig. 1 at E.

Fig. 10 is an enlarged view of a portion of the structure shown in fig. 1 at F.

FIG. 11 is a side view of an alternative configuration of an insulated curtain apparatus according to the present invention in another exploded configuration, in accordance with one embodiment.

Fig. 12 is a partial enlarged view of the structure shown in fig. 11 at G.

Fig. 13 schematically shows a structural profile of the double acting pump mounting position.

FIG. 14 is a front view of an embodiment of an insulated curtain apparatus of the present invention.

Fig. 15 is a schematic structural view at H of the structure shown in fig. 13.

Fig. 16 is a schematic view of an alternative embodiment of an insulated curtain apparatus according to the present invention from a different perspective.

Fig. 17 is a partial enlarged view of the structure shown in fig. 16 at I.

Detailed Description

The thermal curtain device with contactless opening and automatic sterilization function according to the present invention will be further explained and explained with reference to the drawings and the specific embodiments of the present specification, however, the explanation and explanation should not be construed as an undue limitation on the technical solution of the present invention.

As shown in fig. 1 and 2, in the present embodiment, the thermal curtain device according to the present invention may include: the device comprises a main body frame 1, a base 2, an inclined pedal 3, a first heat-preservation curtain component 4, a second heat-preservation curtain component 5, a heat-preservation curtain transmission mechanism 6, a spraying device 7, a movable pedal component 8 (shown in figure 3), a disinfectant liquid container 9 (shown in figure 11) and a double-acting pump 10.

The first heat-preservation curtain component 4 is arranged on the front side surface of the main body frame 1 in a hanging manner, and the second heat-preservation curtain component 5 is arranged on the rear side surface of the main body frame 1 in a hanging manner; the inclined pedal 3 is arranged on the base 2, and a deflector rod 31 extending outwards is arranged on the inclined pedal 3.

Fig. 4 is a partial enlarged view of the structure shown in fig. 3 at a.

As can be seen from fig. 3 and 4, in the present embodiment, the movable pedal assembly 8 of the present invention is hinged to the inclined pedal 3, and the movable pedal assembly 8 is configured to be pressed down by a vertically downward external force and to be restored by an elastic force.

It should be noted that, in the present embodiment, the movable pedal assembly 8 according to the present invention may include: a pedal body 81, a vertical rod 82 and a spring 83. Wherein, the pedal body 81 can be hinged with the inclined pedal 3; the vertical rod 82 is inserted into a vertical hole 21 formed in the base 2 and is fixedly connected with the pedal body 81; the spring 83 is sleeved on the periphery of the vertical rod 82 and is arranged between the pedal body 81 and the base 2.

When the pedal body 81 is pressed down by a vertically downward external force, the spring 83 can be compressed, and the elastic force generated by the spring 83 is overcome, so that the vertical rod 82 is driven to vertically move downward in the vertical hole 21 of the base 2. When dragging vertical downward external force, spring 83 can kick-back, and footboard body 81 can reset under the effect of elastic force, and then accomplishes activity footboard subassembly 8's the process that resets.

Fig. 6 is a partial enlarged view of the structure shown in fig. 5 at B.

As shown in fig. 5 and 6, in the present embodiment, the thermal curtain transmission mechanism 6 according to the present invention can be connected to the movable pedal assembly 8, and the thermal curtain transmission mechanism 6 is connected to the first thermal curtain assembly 4 and the second thermal curtain assembly 5, respectively.

Fig. 8 is a partial enlarged view of the structure shown in fig. 7 at C.

As shown in fig. 7 and 8, and as can be seen by referring to fig. 5 and 6, in this embodiment, the thermal curtain transmission mechanism 6 according to the present invention may include: a first rack 61 and a first gear shaft 62. Wherein, first rack 61 can with activity footboard subassembly 8 fixed connection, and then realize being connected of heat preservation curtain drive mechanism 6 and activity footboard subassembly 8.

It should be noted that, in the present invention, the first gear 621 is disposed on the first gear shaft 62 of the thermal curtain transmission mechanism 6, the first gear 621 can be engaged with the first rack 61, and both ends of the first gear shaft 62 in the axial direction are respectively disposed with the first roller 622 and the second roller 623. A first pulling rope 624 is wound around the first roller 622, a first balancing weight 625 (shown in fig. 1) is disposed at the end of the first pulling rope 624, a second pulling rope 626 is wound around the second roller 623, and a second balancing weight 627 (shown in fig. 1) is disposed at the end of the second pulling rope 626. Providing first and

second weights

625 and 627 may tighten first and

second pull lines

624 and 626.

In the present invention, the first pulling rope 624 is connected to the first thermal insulation curtain assembly 4, which can assist in pulling to realize the unfolding or folding of the first thermal insulation curtain assembly 4; accordingly, a second pulling rope 626 is connected to the second thermal curtain assembly 5, which also assists in pulling to effect the unfolding or folding of the second thermal curtain assembly 5.

In the present invention, when the movable pedal assembly 8 is pressed down, the movable pedal assembly 8 can drive the first rack 61 fixedly connected therewith to move downwards, and the first rack 61 is meshed with the first gear 621 arranged on the first gear shaft 62. When the first rack 61 moves downward, the first rack 61 can drive the first gear 621 to rotate around the first rotation direction, so as to realize the rotation of the first gear shaft 62 around the axis thereof. When the first gear shaft 62 rotates, the first roller 622 and the second roller 623 at both ends in the axial direction also rotate, so as to correspondingly wind the first pulling rope 624 and the second pulling rope 626, so as to drive the first thermal curtain assembly 4 to unfold and drive the second thermal curtain assembly 5 to fold.

Correspondingly, when the movable pressing plate assembly 8 is reset under the action of the elastic force, the movable pedal assembly 8 can drive the first rack 61 to move upwards, the first rack 61 can drive the first gear 621 to rotate around a second rotation direction opposite to the first rotation direction, so that the first roller 622 and the second roller 623 rotate, and the first traction rope 624 and the second traction rope 626 wound on the first roller 622 and the second roller 623 are pulled, so that the first heat-preserving curtain assembly 4 is driven to fold, and the second heat-preserving curtain assembly 5 is driven to unfold synchronously. In other words, in the present solution, the first thermal curtain assembly 4 and the second thermal curtain assembly 5 are linked, and the folding of one of the two corresponds to the unfolding of the other.

To further explain the specific structure of the first thermal curtain assembly 4 and the second thermal curtain assembly 5 of the present invention, refer to the structural schematic diagram of fig. 1 and explain further.

Fig. 9 is a partial enlarged view of the structure shown in fig. 1 at E.

Fig. 10 is an enlarged view of a portion of the structure shown in fig. 1 at F.

As shown in fig. 9 and 10, referring to fig. 12, in this embodiment, the first thermal curtain assembly 4 and the second thermal curtain assembly 5 of the present invention each include: the roller 11, the door curtain clamping block 12, the thermal insulation curtain body 13 and the limiting block 14. Wherein, the thermal insulation curtain body 13 and the door curtain clamping block 12 can be respectively connected in a matching way.

In the present embodiment, the rollers 11 are provided on a cross member (not shown) of the main body frame 1 and are slidable along the cross member; the curtain clamping block 12 is connected with the roller 11, and a hole (not shown) for the first traction rope 624 or the second traction rope 626 to pass through is formed in the curtain clamping block 12; the limiting block 14 is disposed on the first pulling rope 624 or the second pulling rope 626, the limiting block 14 can be pulled along with the first pulling rope 624 or the second pulling rope 626, and then the door curtain clamping block 12 is pushed to drive the thermal insulation curtain body 13 to slide along the cross beam of the main body frame 1, and the thermal insulation curtain body 13 can be connected by a hinge, so as to be unfolded or folded.

Fig. 12 is a partial enlarged view of the structure shown in fig. 11 at G.

As shown in fig. 11 and 12, and as can be seen from fig. 9 and 10, in the present embodiment, the upper portions of the thermal curtain bodies 13 in the first thermal curtain assembly 4 and the second thermal curtain assembly 5 may be connected to the curtain clamping block 12 through a slot, and the thermal curtain bodies 13 can rotate around the axis of the curtain clamping block 12.

With further reference to fig. 11 in combination with fig. 2, in this embodiment, the thermal curtain apparatus of the present invention further includes: a disinfectant liquid container 9 and a double-acting pump 10. Wherein, antiseptic solution container 9 sets up in base 2, be provided with in the antiseptic solution container 9 and be used for the first disinfection cistern 91 of holding first antiseptic solution and be used for the second disinfection cistern 92 of holding second antiseptic solution, first disinfection cistern 91 and second disinfection cistern 92 can realize the intercommunication through first antiseptic solution conveying pipeline 93 and second antiseptic solution conveying pipeline 94 and spray set 7, first antiseptic solution conveying pipeline 93 and second antiseptic solution conveying pipeline 94 can adopt the hose material, it can utilize hose support 96 to support.

It should be noted that, in the present invention, the double-acting pump 10 can pump the disinfecting liquid stored in the first disinfecting liquid tank 91 and the second disinfecting liquid tank 92 into the first disinfecting liquid delivery pipeline 93 and the second disinfecting liquid delivery pipeline 94, respectively, and further transport the disinfecting liquid to the spraying device 7 to spray the disinfecting liquid.

To further clarify the working principle of the double-acting pump 10 designed by the present invention and the communication between the double-acting pump 10 and the first disinfectant tank 91 and the second disinfectant tank 92 in the disinfectant container 9, the installation position of the double-acting pump 10 can be analyzed to obtain the structural analysis diagram shown in fig. 13.

Fig. 15 is a schematic structural view at H of the structure shown in fig. 13.

Referring to fig. 13, 14 and 15, in the present embodiment, a check valve 95 is respectively disposed on the pipeline between the double-acting pump 10 and the first sterilizing fluid tank 91 and the second sterilizing fluid tank 92, and the check valve 95 may include: a ball 951 and a check valve spring 952. Under the cooperation of the ball 951 and the one-way valve spring 952, the one-way valve 95 only allows the first disinfectant or the second disinfectant to flow into the dual-action pump 10 from the first disinfectant tank 91 or the second disinfectant tank 92 correspondingly, but prevents the first disinfectant or the second disinfectant from flowing into the first disinfectant tank 91 or the second disinfectant tank 92 correspondingly from the dual-action pump 10.

Accordingly, in the present embodiment, the double action pump 10 according to the present invention further includes a piston rod 101, and the piston rod 101 can be connected to the shift lever 31 of the tilt pedal 3.

It should be noted that, in the present invention, when the movable pedal assembly 8 is pressed down, the movable pedal assembly 8 can drive the shift lever 31 of the inclined pedal 3 to compress the piston rod 101 of the double-acting pump 10, the piston rod 101 is pressed down in the internal cavity of the double-acting pump 10, and the check valve 95 corresponding to the first disinfectant tank 91 can be opened by using the atmospheric pressure variation of the cavities at the two sides of the piston rod 101, so that the ball 951 in the check valve 95 overcomes the elastic force of the check valve spring 952, and the check valve spring 952 is compressed, so as to pump the first disinfectant in the first disinfectant tank 91 to the first disinfectant conveying pipeline 93, and further convey the first disinfectant to the spraying device 7. At this time, the check valve 95 corresponding to the second sterilizing fluid tank 92 cannot be opened under the influence of atmospheric pressure, so as to prevent the second sterilizing fluid from flowing into the double-acting pump 10.

When the movable platen assembly 8 is reset, it can bring the shift lever 31 of the tilt pedal 3 to stretch the piston rod 101 of the double-acting pump 10. At this time, the moving direction of the piston rod 101 is completely opposite to the moving direction of the piston rod 101 driven by the movable pedal assembly 8 when being pressed down, and the second disinfectant in the second disinfectant tank 92 can be pumped to the second disinfectant conveying pipeline 94 by using the same design principle, and then conveyed to the spraying device 7. At this time, the check valve 95 corresponding to the first sterilizing fluid tank 91 is affected by the atmospheric pressure and cannot be opened to prevent the first sterilizing fluid from flowing into the double-acting pump 10.

It should be noted that, in this embodiment, the first disinfectant and the second disinfectant can be added as required, and the first disinfectant can be a sodium hypochlorite disinfectant. In order to eliminate the problem of chlorine generated by adopting a sodium hypochlorite disinfectant for disinfection, the second disinfectant can be a sodium hydroxide disinfectant capable of neutralizing the first disinfectant.

Of course, in some other embodiments, due to different specific applications, according to the difference between the front and rear positions of the first disinfectant tank 91 and the second disinfectant tank 92, the operator may also control the movable pedal assembly 8 to be pressed down, so that the shift lever 31 may stretch the piston rod 101 of the dual-action pump 10; when the movable pressure plate assembly is controlled to reset, the driving rod 31 can be driven to compress the piston rod 101 of the double-acting pump 10. In whatever manner, the operating principle of the double action pump 10 remains unchanged.

In the practical application process, when the movable pedal assembly 8 is pressed down by a vertically downward external force (such as the gravity of materials and people), the heat preservation curtain device can spray sodium hypochlorite disinfectant through the spraying device 7, and after people and materials leave, the spraying device 7 sprays sodium hydroxide neutralizing solution.

As shown in fig. 16, and as can be seen by referring to fig. 1 and 2 in combination, in this embodiment, the thermal curtain apparatus of the present invention may further include: a spray rack assembly 17 and a spray rack drive mechanism 18. Wherein, the spraying device 7 is arranged on the spraying bracket component 17; the spray bracket transmission mechanism 18 can be respectively connected with the movable pedal assembly 8 and the spray bracket assembly 17.

With further reference to fig. 16, and with reference to fig. 6, 7 and 8, it can be seen that, in the present invention, the spray rack actuator 18 may include: a second rack 181 (shown in fig. 8), a second gear set 182 (shown in fig. 8), a first pulley 183, a pulley shaft 184 (shown in fig. 11), a second pulley 185 (shown in fig. 11), a third gear 186, and a third rack 187. Wherein, the second rack 181 is fixedly connected with the movable pedal assembly 8; the second gear set 182 is meshed with the second rack 181; the first pulley 183 is connected with the second gear set 182; a pulley shaft 184 is arranged at the upper end of the main body frame 1, and a second pulley 185 and a third gear 186 are arranged on the pulley shaft 184; the third rack 187 is fixedly connected to the shower support assembly 17 and is also in meshing engagement with the third gear 186.

It should be noted that, referring to fig. 8, in the present embodiment, the second gear set 182 may include: gear 1821, gear bar 1822, gear 1823, gear 1824, and gear bar 1825. Wherein, the gear 1821 is engaged with the second rack 181, the gear 1821 and the gear 1823 are respectively fixed at two ends of the gear rod 1822, the gear 1823 is engaged with the gear 1824, the gear 1824 is fixed at one end of the gear rod 1825, and the other end of the gear rod 1825 is connected with the first belt pulley 183.

In the present invention, when the movable pedal assembly 8 is pressed down by the gravity of people or materials, the movable pedal assembly 8 can drive the second rack 181 fixedly connected with the movable pedal assembly to move downward, the second rack 181 can drive the second gear set 182 engaged with the second rack to rotate around the positive direction of its own axis, the rotation of the second gear set 182 can drive the first belt pulley 183 to rotate, and further the belt 188 on the first belt pulley 183 moves. The belt 188 can rotate the second pulley 185 about its axis to rotate the pulley shaft 184, which in turn rotates the third gear 186. When the third gear 186 rotates, the third rack 187 engaged with the third gear can drive the spray rack assembly 17 to move linearly from the front side to the rear side of the main body frame 1. When moving, the spraying device 7 connected with the spraying bracket assembly 17 sprays the first disinfectant through the first disinfectant conveying pipeline 93.

Correspondingly, when the movable platen assembly 8 is reset under the action of the elastic force, the movable platen assembly 8 can drive the second rack 181 to move upwards, and the second rack 181 can drive the second gear set 182 engaged therewith to rotate around its own axis in the opposite direction, so as to drive the first belt pulley 183 to rotate and move the belt 188 on the first belt pulley 183. The belt 188 moves in the direction opposite to the direction of the belt 188 when the movable pedal assembly 8 is pressed down, which causes the second pulley 185 to rotate and the third gear 186 disposed on the pulley shaft 184 to rotate, so that the third rack 187 engaged therewith can drive the spray rack assembly 17 to move linearly from the rear side to the front side of the main body frame 1. When moving, the spraying device 7 connected with the spraying bracket assembly 17 sprays the second disinfectant through the second disinfectant conveying pipeline 94.

Fig. 17 is a partial enlarged view of the structure shown in fig. 16 at I.

As can be seen by referring to fig. 16 and 17 in combination, in this embodiment, the first thermal curtain assembly 4 and the second thermal curtain assembly 5 of the present invention further each include: a pull-cord roller bracket 15 and a pull-cord roller 16. The pull rope roller bracket 15 is fixedly arranged on the cross beam of the main body frame 1, the end of the pull rope roller bracket 15 is provided with an inclined plane limiting structure 151, and the inclined plane limiting structure 151 can be used for limiting the movement limit of the heat preservation curtain body 13, and further can be used for limiting the expansion or folding limit position of the first heat preservation curtain component 4 or the second heat preservation curtain component 5.

Accordingly, in the present invention, the pull-cord roller 16 is fixedly connected to the pull-cord roller support 15, which is fixedly disposed on the pull-cord roller support 16, and the first pull-cord 624 or the second pull-cord 626 can be passed around the pull-cord roller 16, respectively, and the direction of the pull-cord can be changed by means of the pull-cord roller 16.

From the above, it can be seen that the thermal curtain device of the present invention does not require other energy sources, and the non-contact opening and the automatic sterilization of the thermal curtain device can be realized by utilizing the gravity of the cargo and the human. The heat-insulating curtain device has the advantages of simple structure, simple and convenient manufacturing and maintenance, good reliability, convenient use and operation, obvious effects of disinfection and temperature isolation, and good popularization prospect and application value.

When the heat preservation curtain device is actually adopted, when a person or a material trolley passes through the inclined pedal and the movable pedal assembly, under the action of the gravity of the person or the material trolley, the pedal body in the movable pedal assembly can overcome the elastic force generated by the compression of the spring to move downwards, so that the first heat preservation curtain assembly arranged on the front side surface of the main body frame can be closed, and the second heat preservation curtain assembly arranged on the rear side surface of the main body frame can be opened. When people or materials leave, the movable pressing plate component resets, the first heat-preservation curtain component can be opened, and the second heat-preservation curtain component is closed. The design mode that one door curtain is closed at any time can effectively isolate the temperature inside and outside the workshop and ensure that the temperature inside the workshop is kept in a constant state.

In addition, when people or material dolly when slope footboard and activity footboard subassembly, sprinkler can carry out linear movement from the leading flank of main part frame to between the trailing flank to when the activity clamp plate subassembly resets, sprinkler can be at the one end from the main part frame leading flank that sprays the bracket component. Through the design, the spraying device can move back and forth above people and objects to spray evenly.

In addition, the double-acting pump is reasonably designed, and can be used for spraying the sodium hypochlorite solution and the sodium hydroxide neutralization solution in sequence, so that the potential safety hazard of irritant gas is eliminated.

It should be noted that the combination of the features in the present application is not limited to the combination described in the claims of the present application or the combination described in the embodiments, and all the features described in the present application may be freely combined or combined in any manner unless contradicted by each other.

It should also be noted that the above-mentioned embodiments are only specific embodiments of the present invention. It is apparent that the present invention is not limited to the above embodiments and similar changes or modifications can be easily made by those skilled in the art from the disclosure of the present invention and shall fall within the scope of the present invention.

Claims

1. A thermal insulation curtain device which can be opened without contact and has an automatic disinfection function is characterized by comprising:

a main body frame and a base;

the disinfection solution container is internally provided with a first disinfection solution tank for accommodating a first disinfection solution and a second disinfection solution tank for accommodating a second disinfection solution;

when the movable pedal assembly is pressed down, the movable pedal assembly drives the heat-preservation curtain transmission mechanism to drive the second heat-preservation curtain assembly to be folded and drive the first heat-preservation curtain assembly to be unfolded; when the movable pressing plate component resets, the movable pressing plate component drives the heat-preservation curtain transmission mechanism to drive the first heat-preservation curtain component to fold and drive the second heat-preservation curtain component to unfold;

2. The thermal curtain apparatus of claim 1, wherein said movable pedal assembly comprises:

a pedal body hinged with the inclined pedal;

3. The thermal curtain apparatus of claim 1, wherein said thermal curtain drive mechanism comprises:

the first rack is fixedly connected with the movable pedal assembly;

4. The thermal curtain apparatus of claim 1 wherein said first and second thermal curtain assemblies each comprise:

5. The thermal curtain apparatus of claim 4, wherein said first thermal curtain assembly and said second thermal curtain assembly each further comprise:

6. The thermal curtain apparatus of any of claims 1-5, further comprising:

the spraying bracket assembly is provided with a spraying device;

7. The thermal curtain apparatus of claim 6 wherein said spray carriage drive mechanism comprises:

the second rack is fixedly connected with the movable pedal assembly;

a second gear set in meshed connection with the second rack;

a first pulley connected with the second gear set;

and the third rack is meshed and connected with the third gear, and the third rack is fixedly connected with the spraying bracket assembly.

8. The thermal curtain apparatus of claim 1, wherein said disinfectant reservoir is disposed within said base.

9. The thermal curtain apparatus of claim 1, wherein the second sanitizing fluid is a liquid that neutralizes the first sanitizing fluid.

10. The thermal curtain apparatus of claim 1, wherein a one-way valve is disposed in a conduit between the dual-action pump and the first and second tanks, the one-way valve allowing the first or second disinfecting solution to flow from the first or second tank into the dual-action pump and preventing the first or second disinfecting solution from flowing from the dual-action pump into the first or second tank.