阅读说明：本技术 一种物品传递通道 (Article transfer passage ) 是由 王金涛 王洪军 朱维金 窦希顺 张野 刘长斌 宋佳馨 崔健 郭海冰 王秀峰 张书 于 2020-05-08 设计创作，主要内容包括：本发明涉及一种传递窗,特别涉及一种物品传递通道。物品传递通道设置于墙体内；墙体的两侧设有与物品传递通道连通的传递口,传递口上设有伸缩门；物品传递通道包括传递腔体及连接在传递腔体两端的弹性连接部,弹性连接部可与相对应的伸缩门密封连接。本发明能够保证两区域之间的密封性,避免交叉感染且带有双重保护装置,操作更安全；能用于不同洁净区,含有压差情况使用；操作简单便于人机互动,模块化便于维护和保养。(The invention relates to a delivery window, in particular to an article delivery channel. The article transfer channel is arranged in the wall body; two sides of the wall body are provided with transfer ports communicated with the article transfer channel, and the transfer ports are provided with retractable doors; the article transfer passage comprises a transfer cavity and elastic connecting parts connected to two ends of the transfer cavity, and the elastic connecting parts can be hermetically connected with the corresponding telescopic doors. The invention can ensure the sealing performance between two areas, avoid cross infection and has double protection devices, thus having safer operation; the device can be used in different clean areas and used under the condition of pressure difference; the operation is simple, the man-machine interaction is convenient, and the modularization is convenient for maintenance.)

1. An article transfer passage, characterized in that it is arranged in a wall (3); transfer ports communicated with the article transfer channels are formed in the two sides of the wall body (3), and telescopic doors (6) are arranged on the transfer ports;

the article transfer channel comprises a transfer cavity (4) and elastic connecting parts connected to two ends of the transfer cavity (4), and the elastic connecting parts can be hermetically connected with the corresponding telescopic doors (6).

2. The article transfer passage according to claim 1, wherein the elastic connection portion comprises a telescopic tube, a guiding mechanism, a movable sealing plate (23), an electromagnet (24) and a fixed sealing plate (26), wherein two ends of the telescopic tube are respectively connected with the movable sealing plate (23) and the fixed sealing plate (26), and the fixed sealing plate (26) is connected with the transfer cavity (4); the electromagnet (24) is embedded on the movable sealing plate (23), and the guide mechanism is arranged on the transfer cavity (4) and connected with the movable sealing plate (23); the electromagnet (24) can be attracted with the retractable door (6) after being electrified, so that the movable sealing plate (23) is connected with the retractable door (6) in a sealing mode.

3. The article transfer passage according to claim 2, wherein the guiding mechanism comprises a telescopic rod (27), a telescopic support (28) and a return spring (29), wherein the telescopic support (28) is arranged on the transfer chamber (4), the telescopic rod (27) is slidably connected with the telescopic support (28), one end of the telescopic rod (27) is connected with the movable sealing plate (23), and the other end of the telescopic rod is provided with a limit boss; the return spring (29) is sleeved at the other end of the telescopic rod (27), and two ends of the return spring are respectively abutted against the limiting boss and the telescopic support (28).

4. The article transfer passage according to claim 1, wherein the retractable door (6) comprises a door frame (8), a closing door and an electric retractable rod (12), wherein the door frame (8) is arranged on the transfer opening, and a slide way (14) is arranged on two sides of the door frame (8); two sides of the closed door are connected with the slide way (14) in a sliding way through pulleys (13); the electric telescopic rod (12) is arranged below the transfer cavity (4), the output end of the electric telescopic rod is connected with the closed door, and the electric telescopic rod (12) is used for driving the closed door to move up and down along the slide way (14).

5. The item transfer passage according to claim 4, wherein a receiving cavity is provided in the wall (3), and the electric telescopic rod (12) is provided in the receiving cavity.

6. The goods transfer passage according to claim 1, characterized in that the wall (3) is sealed with a pressure difference on both sides, and the two retractable doors (6) are respectively provided with a one-way valve for balancing the pressure difference between the transfer chamber (4) and the sealed environment on both sides of the wall (3).

7. The goods transfer passage according to claim 6, wherein the one-way valve opens under the effect of a pressure difference existing across the retractable door (6) when the resilient connecting portion is released from the sealing connection with the retractable door (6).

8. The article transfer passage according to claim 1, wherein an ultraviolet germicidal lamp (10) and an illumination lamp (11) are provided in the transfer chamber (4).

9. The item transfer passage according to claim 1, wherein a positioning mechanism for positioning the cage (18) and a cage-in-place sensor (20) are provided in the transfer chamber (4); the positioning mechanism comprises a cage length positioning block (19) and a cage width positioning block (21), wherein the cage width positioning block (21) is arranged on two sides of the cage length positioning block (19).

10. The item transfer passage according to claim 1, characterized in that the retractable door (6) is provided with a transparent viewing glass (7).

Technical Field

The invention relates to a delivery window, in particular to an article delivery channel.

Background

The transfer window is convenient for articles required by the experiment to enter the working room through the transfer window, so that the laboratory environment is not polluted in the experiment operation process. When articles are transferred between different isolation areas of a biological laboratory and an animal raising room, the articles need to be transferred through a transfer window. At the present stage, the traditional single-door electric lifting delivery window delivers articles, single-door operation cannot distinguish dirt and clean articles, air with germs in a polluted area can enter the clean area, the air quality is unqualified, the quality of the sterilized articles is affected, and secondary pollution of the articles is easily caused. In addition, the upper-opening double-door electric lifting delivery window in the prior art is easy to clamp and hurt workers or damage articles when being operated, and has potential safety hazards. The transfer window is an auxiliary device of the clean room, and is mainly used for transferring small articles between a clean area and between the clean area and a non-clean area so as to reduce the door opening times of the clean room and reduce the pollution to the clean room to the minimum degree. With the development of science and technology, the transmission window is widely applied to electronic, optical, biopharmaceutical and food fields requiring air purification. The existing delivery window mainly adopts a left-right translation type door body, a hinge type door body or a quick rolling shutter door type door body. These pass windows have some problems: the structure of the delivery window has requirements on installation space, the opening and closing of the door body are inconvenient, the price is high, and the cost is high.

Disclosure of Invention

In view of the above problems, an object of the present invention is to provide an article transfer passage capable of ensuring the sealing property between two regions and avoiding cross-infection.

In order to achieve the purpose, the invention adopts the following technical scheme:

an article transfer passage disposed within a wall; the two sides of the wall body are provided with transfer ports communicated with the article transfer channel, and the transfer ports are provided with telescopic doors; the article transfer passage comprises a transfer cavity and elastic connecting parts connected to two ends of the transfer cavity, and the elastic connecting parts can be in sealing connection with the corresponding telescopic doors.

The elastic connecting part comprises a telescopic pipe, a guide mechanism, a movable sealing plate, an electromagnet and a fixed sealing plate, wherein two ends of the telescopic pipe are respectively connected with the movable sealing plate and the fixed sealing plate, and the fixed sealing plate is connected with the transmission cavity; the electromagnet is embedded on the movable sealing plate, and the guide mechanism is arranged on the transmission cavity and connected with the movable sealing plate; the electromagnet can be attracted with the retractable door after being electrified, so that the movable sealing plate is connected with the retractable door in a sealing manner.

The guide mechanism comprises a telescopic rod, a telescopic support and a return spring, wherein the telescopic support is arranged on the transmission cavity, the telescopic rod is connected with the telescopic support in a sliding manner, one end of the telescopic rod is connected with the movable sealing plate, and the other end of the telescopic rod is provided with a limiting boss; the reset spring is sleeved at the other end of the telescopic rod, and the two ends of the reset spring are respectively abutted to the limiting boss and the telescopic support.

The telescopic door comprises a door frame, a closed door and an electric telescopic rod, wherein the door frame is arranged on the delivery port, and two sides of the door frame are provided with slideways; two sides of the closed door are connected with the slide way in a sliding way through pulleys; the electric telescopic rod is arranged below the transfer cavity, the output end of the electric telescopic rod is connected with the closed door, and the electric telescopic rod is used for driving the closed door to move up and down along the slide way.

Be equipped with in the wall body and hold the chamber, electric telescopic handle set up in hold the intracavity.

The two sides of the wall body are sealed environments with pressure difference, the two telescopic doors are respectively provided with a one-way valve, and the one-way valves are used for balancing the pressure difference between the transmission cavity and the sealed environments at the two sides of the wall body.

When the elastic connecting part is disconnected with the retractable door in a sealing manner, the one-way valve is opened under the action of pressure difference existing on two sides of the retractable door.

An ultraviolet germicidal lamp and an illuminating lamp are arranged in the transfer cavity.

A positioning mechanism for positioning the cage and a cage in-place sensor are arranged in the transfer cavity; the positioning mechanism comprises a cage length positioning block and a cage width positioning block, wherein the cage width positioning block is arranged on two sides of the cage length positioning block.

And transparent observation glass is arranged on the telescopic door.

The invention has the advantages and beneficial effects that:

the invention can ensure the sealing performance between two areas, avoid cross infection and has double protection devices, thus having safer operation.

The invention has simple and reasonable structure, convenient operation and low cost.

The invention has the advantages of key operation, electric lifting, quick transmission and high efficiency, and is suitable for automatic picking and placing of a robot; the system accords with ergonomics, has an information tracing system, and is convenient for big data, visualization and cloud computing;

the invention can be used in different clean areas and under the condition of pressure difference; the operation is simple, the man-machine interaction is convenient, and the modularization is convenient for maintenance.

The invention contains biological accessories, such as ultraviolet sterilizing lamps, and is convenient for the biomedical industry.

Drawings

FIG. 1 is an isometric view of an article transfer channel of the present invention;

FIG. 2 is a front view of the article transfer passage of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is an enlarged view taken at point I in FIG. 3;

FIG. 5 is an enlarged view taken at point II in FIG. 4;

FIG. 6 is a cross-sectional view taken along line D-D of FIG. 2;

FIG. 7 is a cross-sectional view E-E of FIG. 2;

FIG. 8 is an enlarged view taken at III in FIG. 7;

FIG. 9 is a top view of FIG. 2;

FIG. 10 is a cross-sectional view C-C of FIG. 9;

FIG. 11 is a schematic view of the internal positioning structure of the cabin according to the present invention;

fig. 12 is a schematic structural view of a check valve of the retractable door of the present invention.

In the figure: the device comprises a pedal switch 1, an interphone 2, a wall body 3, a transfer cavity 4, a telescopic corrugated pipe 5, a telescopic door 6, a transparent observation glass 7, a door frame 8, a touch sensor 9, an ultraviolet germicidal lamp 10, an illuminating lamp 11, an electric telescopic rod 12, a pulley 13, a slideway 14, an experimental-side check valve 15, a cable vacuum-sealed wall-penetrating plug 16, a feeding-side check valve 17, a cage 18, a cage 19, a cage length positioning block 20, an in-place cage sensor 21, a cage width positioning block 21, a movable sealing plate 23, an electromagnet 24, a fixed sealing plate 26, a telescopic rod 27, a telescopic support 28, a return spring 29, a sealing ball 30, a one-way spring 31 and a communication channel 32.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 4, the present invention provides an article transfer passage, which is disposed in a wall 3; two sides of the wall body 3 are provided with transfer ports communicated with the article transfer channel, and the transfer ports are provided with telescopic doors 6; the article transfer passage comprises a transfer cavity 4 and elastic connecting parts connected to two ends of the transfer cavity 4, and the elastic connecting parts can be hermetically connected with corresponding telescopic doors 6.

As shown in fig. 7-8, in the embodiment of the present invention, the elastic connection portion includes a telescopic tube, a guiding mechanism, a movable sealing plate 23, an electromagnet 24 and a fixed sealing plate 26, wherein two ends of the telescopic tube are respectively connected to the movable sealing plate 23 and the fixed sealing plate 26, and the fixed sealing plate 26 is connected to the transfer cavity 4; the electromagnet 24 is embedded on the movable sealing plate 23, and the guide mechanism is arranged on the transfer cavity 4 and connected with the movable sealing plate 23; the electromagnet 24 is powered on and then can be attracted with the retractable door 6, so that the movable sealing plate 23 is hermetically connected with the retractable door 6.

Specifically, the guiding mechanism comprises a telescopic rod 27, a telescopic support 28 and a return spring 29, wherein the telescopic support 28 is arranged on the inner surface of the transfer cavity 4, the telescopic rod 27 is connected with the telescopic support 28 in a sliding manner, one end of the telescopic rod 27 is connected with the movable sealing plate 23, and the other end of the telescopic rod 27 is provided with a limiting boss; the return spring 29 is sleeved at the other end of the telescopic rod 27, and two ends of the return spring are respectively abutted against the limiting boss and the telescopic support 28.

In the embodiment of the invention, the telescopic pipe can adopt a telescopic corrugated pipe 5 or a flexible organ structure pipe.

As shown in fig. 4 and 9-10, the retractable door 6 includes a door frame 8, a closed door, and an electric retractable rod 12, wherein the door frame 8 is disposed on the transfer port, and two sides of the door frame 8 are provided with slideways 14; two sides of the closing door are connected with a slideway 14 in a sliding way through pulleys 13; the electric telescopic rod 12 is arranged below the transfer cavity 4, the output end of the electric telescopic rod is connected with the closing door, and the electric telescopic rod 12 is used for driving the closing door to move up and down along the slide way 14.

Furthermore, a transparent observation glass 7 is arranged on the retractable door 6. Be equipped with in the wall body 3 and hold the chamber, electric telescopic handle 12 sets up in holding the intracavity.

As shown in fig. 6, the two sides of the wall 3 are sealed environments with pressure difference, the two retractable doors 6 are respectively provided with a one-way valve, when the elastic connecting portion is disconnected from the retractable doors 6, the one-way valve is opened under the action of the pressure difference between the two sides of the retractable doors 6, and the one-way valve is used for balancing the pressure difference between the transmission cavity 4 and the sealed environments at the two sides of the wall 3, so that the retractable tubes can be retracted and reset quickly under the condition that the electromagnet 24 is powered off, and the door opening beat is accelerated.

As shown in fig. 12, the check valve is provided in the communication passage 32 provided in the retractable door 6; the check valve includes sealing ball 30 and one-way spring 31, and communicating channel 32 is the shoulder hole, and sealing ball 30 holding is in the shoulder hole, and one end and the sealing ball 30 butt of one-way spring 31, and the other end is connected with the inner wall of communicating channel 32, and sealing ball 30 seals communicating channel 32 under the pressure effect of one-way spring 31. When the electromagnet 24 is de-energized, the movable sealing plate 23 is separated from the retractable door 6, the sealing ball 30 overcomes the elastic force of the one-way spring 31 to move upwards under the action of the pressure difference at the two sides, the communicating channel 32 is opened, the transfer cavity 4 is communicated with the external environment to balance the internal and external pressure difference, and the retractable pipe is rapidly reset.

Further, as shown in fig. 4, a plurality of ultraviolet germicidal lamps 10 and illuminating lamps 11 are provided in the transfer chamber 4, and the ultraviolet germicidal lamps 10 are provided at the bottom of the transfer chamber 4, so that the internal sterilization can be performed without transferring the cage 18. The illuminating lamp 11 is arranged at the top of the transmission cavity 4, so that illumination inside the transmission cavity 4 is facilitated.

As shown in fig. 4-5 and 11, in the embodiment of the present invention, a positioning mechanism for positioning the cage 18 and a cage position sensor 20 are provided in the transfer chamber 4. The positioning mechanism comprises a cage length positioning block 19 and a cage width positioning block 21, wherein the cage width positioning block 21 is arranged on two sides of the cage length positioning block 19. The cage 18 is positioned inside the transfer chamber 4 guided and rounded by cage length positioning means 19 and cage width positioning means 20, and a cage in position sensor 21 is able to detect whether the cage 18 is in position, placed manually or robotically. The cage 18 contains a bar code or a two-bit code, can transmit data such as a code scanning gun and the like by adopting a network technology, can trace information, and is convenient for large data management, large data analysis and visual statistical analysis.

As shown in fig. 3, in the embodiment of the present invention, one side of the wall 3 is a laboratory, and the other side is a feeding room; the pressure in the laboratory is P0, and the pressure in the animal feeding room is P1, namely a certain pressure difference is formed between the laboratory and the animal feeding room, specifically 10Pa to 20 Pa. The middle part of the transfer cavity 4 is fixedly and fixedly connected with the sealing wall 3 in a static sealing way, the inside of the transfer cavity 4 contains an ultraviolet germicidal lamp 10, and the external germicidal lamp 10 can carry out ultraviolet sterilization on the inner space. The inside of transmission cavity 4 still contains light 11, and light 11 can carry out the illumination of needing time to the inner space, and the middle part of transmission cavity 4 contains cable vacuum seal wall-penetrating plug 16, can guarantee under the sealed condition in the inside outside of transmission cavity 4, carries out outside and inside and fuses the signal of telecommunication and the power supply. The outside of the retractable door 6 is provided with a touch sensor 9, which can prevent the malfunction of clamping hands or transferring articles. Ground is connected to electric telescopic handle 12's one end, and flexible door 6 is connected to electric telescopic handle 12's other one end, and electric telescopic handle 12 can control flexible door 6 and move up and down on the wall plane. The telescopic door 6 on one side of the laboratory is provided with a laboratory side check valve 15, the telescopic door 6 on one side of the animal raising room is provided with a raising side check valve 17, and before the telescopic door 6 moves up and down, one end of the telescopic corrugated pipe 5 is released from sealing connection with the telescopic door 6, and under the condition of establishing pressure difference, the pressure difference between the inside and the outside of the transmission cavity 4 is automatically balanced, namely the pulsating pressure difference between the internal pressure P2 of the transmission cavity 4 and the pressure P0 in the laboratory and the pressure P1 in the animal raising room is balanced, so that the telescopic corrugated pipe 5 or the flexible organ structure pipe is smoothly contracted and reset. The flexible doors 6 on both sides of the transfer cavity 4 contain software interlocking, so that the two sides can not be opened simultaneously. The experiment side check valve 15 and the feeding side check valve 17 can reduce the pulsating pressure difference between the internal pressure P2 of the transmission cavity 4 and the pressure P0 in the experiment room and the pressure P1 in the animal feeding room, and can accelerate the door opening beat.

The transfer cavity 4 is also provided with a differential pressure gauge and a sealed airtight detection port, so that later-stage maintenance is facilitated. A kick switch 1 and an interphone 2 are arranged on the side wall of the wall 3 at one side of the laboratory, as shown in fig. 1.

The article transfer channel provided by the invention has the following specific working procedures:

1) the industrial robot sends a signal to request to open the door;

2) the electromagnet 24 in the telescopic corrugated pipe 5 on the animal feeding chamber side releases the sealing suction force, the telescopic corrugated pipe 5 and the telescopic door 6 are released from contact and seal under the action of the elastic force of the internal reset spring 29 and the telescopic rod 27, and the one-way valve 17 on the feeding side is opened under the action of pressure difference, so that the transfer cavity 4 is communicated with the animal feeding chamber to release the pressure difference;

3) the telescopic door 6 on the animal feeding chamber side moves upwards under the driving of the electric telescopic rod 12, so that the telescopic door 6 is opened, and the transfer cavity 4 is communicated with the animal feeding chamber;

4) the robot in the animal feeding room transfers the cages 18 to the mechanical positioning in the transfer cavity 4 from the cage racks or the buffer memory of the animal feeding room one by one, and confirms the signals that the cages 18 are in place at the same time;

5) the telescopic door 6 moves downwards under the driving of the electric telescopic rod 12 to reset, so that the transfer cavity 4 and the animal feeding chamber are mechanically sealed;

6) an electromagnet 24 in a telescopic corrugated pipe 5 on the animal feeding chamber side generates sealing suction force, the telescopic corrugated pipe 5 overcomes the action of a return spring 5, the telescopic corrugated pipe 5 and a telescopic door 6 generate contact static sealing, and meanwhile, a one-way valve 17 on the feeding side is closed, so that the airtight sealing of the transfer cavity 4 and the animal feeding chamber is completed;

7) the manual kicking switch 1 is judged by the control system, and the flexible door 6 on the laboratory room side and the flexible door 6 on the animal raising room side are logically interlocked;

8) the electromagnet 24 in the telescopic corrugated pipe 5 on the laboratory side releases the sealing suction force, the telescopic corrugated pipe 5 and the telescopic door 6 release the contact sealing under the action of the elastic force of the internal reset spring 29 and the telescopic rod 27, and meanwhile, the one-way valve 15 on the laboratory side is opened to communicate the transfer cavity 4 with the laboratory to release the pressure difference;

9) the laboratory side retractable door 6 moves upwards under the driving of the electric retractable rod 12, the laboratory side retractable door 6 is opened, and the transfer cavity 4 is communicated with the laboratory side;

10) an experimenter at the laboratory side mechanically positions the cages 18 from the interior of the transfer cavity 4, transfers the cages 18 to a buffer platform at the laboratory side one by one, and confirms dislocation signals of the cages 18 at the same time;

11) the laboratory side expansion door 6 moves downwards under the driving of the electric expansion rod 12 to reset, so that the transfer cavity 4 and the laboratory are mechanically sealed;

12) the electromagnet 24 in the telescopic corrugated pipe 5 on the laboratory side generates sealing suction, the telescopic corrugated pipe 5 overcomes the action of the reset spring 29, the telescopic corrugated pipe 5 and the telescopic door 6 generate contact static sealing, and meanwhile, the one-way valve 15 on the laboratory side is closed, so that the airtight sealing of the transfer cavity 4 and the laboratory is completed;

13) the laboratory technician at the laboratory side carries out information matching, contains bar code or binary code, can adopt network technology with data transfer such as sweep yard rifle, can carry out information and trace back, the management of big data of being convenient for, big data analysis, visual statistical analysis.

The invention can ensure the sealing performance between two areas, avoid cross infection and has double protection devices, thus having safer operation; the device can be used in different clean areas and used under the condition of pressure difference; the operation is simple, the man-machine interaction is convenient, and the modularization is convenient for maintenance.

The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, extension, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.