WO2018166082A1

WO2018166082A1 - Endoscope apparatus

Info

Publication number: WO2018166082A1
Application number: PCT/CN2017/088392
Authority: WO
Inventors: 刘志刚
Original assignee: 深圳市永恒丰智能设备有限公司
Priority date: 2017-03-14
Filing date: 2017-06-15
Publication date: 2018-09-20
Also published as: CN107065169B; CN107065169A

Abstract

An endoscope apparatus, comprising: a flexible tube (1), a central control end (2) and a connection part (4); an end of the connection part (4) is connected to the central control end (2), while another end of the connection part (4) may be connected to a compressed gas and liquid tank (5); the flexible tube (1) is provided with a head end and a tail end; a camera (16) and a spray head (15) are arranged on the head end of the flexible tube (1); an inner portion of the flexible tube (1) is provided with a signal transmission line (12) and a liquid guide tube (11); an end of the signal transmission line (12) is connected to the camera (16), while another end extends from the tail end of the flexible tube (1) and is connected to the central control end (2); an end of the liquid guide tube (11) is connected to the spray head (15), while another end of the liquid guide tube (11) is connected to the compressed gas and liquid tank (5). The endoscope apparatus is provided with a compressed gas and liquid tank (5) to provide compressed gas and liquid without requiring external connection to a high-pressure gas tube or liquid tube, which reduces external interference and increases the flexibility of operation of the endoscope apparatus.

Description

Endoscope device

Technical field

[0001] The present invention belongs to the technical field of industrial endoscopes, and in particular, to an endoscope apparatus.

Background technique

[0002] Industrial endoscopes are used as a detection tool for inspection and observation of high temperature, toxic, nuclear radiation and places that are invisible to the human eye. The main targets are automobiles, aero engines, pipes and mechanical parts. Non-destructive testing can be achieved without disassembling or destroying the equipment, or it can be detected without stopping the equipment.

[0003] In industrial equipment inspection, it is necessary to perform dirt cleaning on some narrow positions, or to repair the position of the damaged film film, or to add lubricant to the mechanical connection position, the existing endoscope equipment, An endoscope device with a cleaning function, as disclosed in Chinese Patent Application No. CN20152049289.5

The cleaning and spraying operations can be performed at the time of detection. However, the existing endoscope with cleaning function has the problem of liquid driving force access, and an external high-pressure air pipe is required to extract the liquid from the liquid guiding container by siphoning.伹External high-pressure air tube will limit the moving distance and moving range of the endoscope, and the external high-pressure air tube will easily interfere with the endoscope during the movement of the endoscope, thus affecting the operator's hand-held operation, the operator After cleaning and spraying, rotating or moving the endoscope device will be affected by the external high-pressure air pipe, resulting in poor portability and flexibility.

technical problem

[0004] The present invention provides an endoscope apparatus in view of the problem that the existing endoscope apparatus is prone to interference, portability, and operational flexibility.

Problem solution

Technical solution

[0005] The technical solution adopted by the present invention to solve the above technical problems is as follows:

[0006] An endoscope apparatus is provided, including a coil, a central control end, and a connecting portion, one end of the connecting portion is connected to the central control end, and the connecting portion is disposed on the central control end, Connecting a compressed gas tank; [0007] the coil has a head end and a tail end, and the head end of the coil is provided with a camera and a nozzle, the coil a signal transmission line for signal transmission and a liquid guiding tube for liquid transmission are disposed, the one end of the signal transmission line is connected to the camera, and the other end extends out of the tail end of the flexible tube and is connected to the central control end; One end of the liquid guiding tube is connected to the spray head, the other end of the liquid guiding tube extends out of the tail end of the flexible tube and is connected to the compressed gas liquid tank, and the endoscope apparatus further comprises a control for the compression A control assembly that communicates or closes the gas liquid tank with the liquid conduit.

[0008] Further, the compressed gas liquid tank is provided with a lead pipe assembly, the lead pipe assembly is a push type communication structure, the lead pipe assembly is pressed down, and the compressed gas liquid in the compressed gas liquid tank is compressed. Deriving to the catheter; the bow tube assembly is raised, and the compressed gas tank is closed with the catheter;

[0009] The control component is a push-type control component for controlling the bow tube assembly to be pressed or raised.

[0010] Further, the control component includes a pressure shaft, a second return spring and a casing, the casing is disposed on the connecting portion, and a displacement cavity is formed between the casing and the connecting portion, The two ends of the displacement cavity are respectively connected with a third port connecting the quick-connecting groove and a fourth port connecting the outside of the displacement cavity, the pressing shaft is located in the displacement cavity, and the pressing shaft One end of the rod extends out of the third jaw and abuts against the top of the adapter cap, the other end of the pressure rod extends out of the fourth jaw, and the pressure shaft is provided with a limited collar The second return spring surrounds the pressure rod, and the two ends of the second return spring abut between the limiting collar and the third port.

[0011] Further, the endoscope device further includes a handle, the middle portion of the handle is rotatably connected to the central control end, one end of the handle is a force applying portion, and the other end extends with the pressure shaft One end of the fourth port is abutted to push the upper and lower displacement of the pinch bar.

[0012] Further, the connecting portion is provided with a quick-connecting slot;

[0013] The compressed gas liquid tank includes a tank cap and a tank body, and the tank cap and the tank body are sealingly connected to form a gas liquid chamber for accommodating compressed gas and liquid, the tank cap being detachably connected to the tank On the quick-connecting groove, the guiding tube assembly is disposed on the can cap;

[0014] The adapter slot is internally provided with an adapter cap for connecting the lead tube assembly, and the other end of the catheter is connected to the adapter cap.

[0015] Further, the guiding tube assembly comprises a pressing tube, a first return spring, a sealing rubber pad, a communication cavity and an extension tube;

[0016] the communication cavity is disposed on the can cap, and one end of the communication cavity is disposed to communicate with the gas-liquid cavity a first port, the other end of the communication cavity is provided with a second port, and the pressing tube is inserted into the second port;

[0017] the extension tube extends from the first port to the inside of the gas-liquid chamber;

[0018] one end of the first return spring abuts against the pressing tube, and the other end of the first return spring abuts against the inner wall of the first port edge of the communication cavity, and the pressing tube can be under the action of an external force Moving relative to the second port from the closed position to the communication position and compressing the first return spring, after the external force acting on the pressing tube disappears, the pressing tube passes through the restoring force of the first return spring Returning the communication position to the closed position, the sealing rubber pad is located in the communication cavity near the second port, the pressing pipe is internally provided with a connecting channel, and the outlet of the connecting channel is derived from the The pressing tube faces away from the end surface of the communication cavity, and the inlet of the connecting passage leads from the side wall of the pressing tube;

[0019] the pressing tube is located in the closed position 吋, the inlet of the connecting channel is closed by the sealing rubber pad; [0020] the pressing tube is located in the communicating position 吋, the inlet of the connecting channel and the connecting cavity are mutually Connected.

[0021] Further, the endoscope device further includes a display end, wherein the central control terminal is provided with a communication module for performing signal transmission with the camera and the display end, and the communication module includes a wired communication module and wireless Communication module.

[0022] Further, the display end is detachably mounted on the central control end; when the display end is installed on the central control end, the display end communicates with the central control end through a wired communication module; The display end is separated from the central control end, and the display end communicates with the central control terminal through a wireless communication module.

[0023] Further, the wireless communication module is configured to have a transmission frequency band switching, and the display end is configured to receive a frequency band switching.

[0024] Further, a plurality of LED lights are disposed on an outer circumference of the camera, a central portion is provided with a handle portion, and the handle portion is provided with a light control switch for controlling the LED light to be turned off. The light control is electrically connected to the LED light.

Advantageous effects of the invention

Beneficial effect

[0025] According to the endoscope apparatus provided by the present invention, a camera and a head are disposed at the head end of the coil, and the camera and the head can be fed into a narrow position in a pipe or a mechanical structure through a coil, and the position is taken by the camera. Image information and the image information is transmitted by the signal transmission line as an electronic signal, through the image letter It is judged whether there is dirt, clogging or peeling of the paint film at the position, and the same position can be used for cleaning, painting or lubricating the specific position by the nozzle. In order to ensure the flexibility of the endoscope device in the process of operation, the gas-liquid supply mode of the endoscope device is set to the form of compressed gas liquid tank supply, and a compressed gas liquid tank is added at the central control end. The connecting portion, the compressed gas liquid tank can accommodate the compressed gas liquid of the working liquid such as the cleaning agent, the paint and the lubricating oil, and the compressed gas liquid can be used to pass the compressed gas liquid through the liquid guiding tube. The nozzle is sprayed out to achieve functions such as cleaning, painting or lubrication. Compared with the conventional endoscope with cleaning function, the endoscope apparatus provided by the present invention does not need an external high-pressure air pipe or a liquid pipe, thereby reducing external interference. Greatly improve the flexibility of the operation of the endoscope equipment.

Brief description of the drawing

DRAWINGS

1 is a schematic structural diagram of an endoscope apparatus according to an embodiment of the present invention;

2 is a schematic structural view of a snake tube of an endoscope apparatus according to an embodiment of the present invention;

3 is an enlarged schematic view showing an end surface of a serpentine tube endoscope of an endoscope apparatus according to an embodiment of the present invention;

4 is a schematic structural diagram of a control end and a display end of an endoscope apparatus according to an embodiment of the present invention; [0030] FIG. 5 is an enlarged schematic view of a portion of FIG.

6 is an enlarged schematic view of a portion B in FIG. 4;

7 is a front elevational view showing a display end of an endoscope apparatus according to an embodiment of the present invention;

8 is a schematic diagram showing the structure of the back side of the display end of the endoscope apparatus according to an embodiment of the present invention.

[0034] The reference numerals in the drawings of the specification are as follows:

[0035] 1, a snake tube; 11, a liquid guiding tube; 12, a signal transmission line; 13, a protective sleeve; 14, a video signal connector; 1 5, a nozzle; 16, a camera; 17, LED lights; 2, the central control; , video signal connector; 22, handle; 23, handle power switch; 24, light control switch; 3, display terminal; 31, display; 32, display power supply; 33, receiving frequency band switching 34, the card slot; 4, the connecting portion; 41, the protruding inner edge; 42, the outer casing; 43, the pressure shaft; 431, the limit collar; 44, the displacement cavity; 441, the third port; 4 42 45, the second return spring; 45, the second return spring; 46, the transfer cap; 47, quick-connect slot; 5, compressed gas tank; 51, can cap; 511, protruding outer edge; 52, tank; Gas-liquid chamber; 53, pressing tube; 531, connecting channel; 532, outlet; 533, inlet; 54, sealing pad; 55, connecting cavity; 551, first Port; 552, second mouth; 56, first return spring; 57, protruding pipe section; 58, extension pipe; 6, handle.

BEST MODE FOR CARRYING OUT THE INVENTION

[0036] In order to make the technical problems, technical solutions, and advantageous effects of the present invention more comprehensible, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

[0037] Referring to FIG. 1 to FIG. 4, an embodiment of the present invention discloses an endoscope apparatus including a flexible tube 1, a central control end 2 and a connecting portion 4, wherein the connecting portion 4 is disposed on the On the central control terminal 2, for connecting a compressed gas tank 5

[0038] The coil 1 has a head end and a tail end, and the head end of the coil 1 is provided with a camera 16 and a head 15, and the camera 16 and the head 15 are disposed at an upper end position of the head end of the coil 1 Above, the coil 1 is internally provided with a signal transmission line 12 for signal transmission and a liquid guiding tube 11 for liquid transmission, one end of the signal transmission line 12 is connected to the camera 16, and the other end extends out of the tail of the coil 1. Connecting the central control end 2; one end of the liquid guiding tube 11 is connected to the spray head 15, and the other end of the liquid guiding tube 11 extends out of the tail end of the flexible tube 1 and is connected to the compressed gas liquid a tank 5, the endoscope apparatus further comprising a control assembly for controlling the compressed gas tank 5 to communicate or close with the liquid conduit 11, so that the compressed gas liquid in the compressed gas tank 5 can It is led to the catheter tube 11.

[0039] The coil 1 is a flexible tube through which the camera 16 and the head 15 can be fed into a narrow position in a pipe or mechanical structure, and the image information of the position is taken by the camera 16 and the image is taken by the signal transmission line 12. The information is transmitted as an electronic signal, and the image information is transmitted through the central control terminal 2 by wire or wirelessly, and the image information is used to determine whether the location is dirty, clogged or the paint film is peeled off, etc. The nozzles 15 can be used for cleaning, painting, or lubricating a specific location.

[0040] In order to ensure the flexibility of the endoscope device during the operation, the gas-liquid supply mode of the endoscope device is set to the form of the compressed gas-liquid tank 5, and the central control terminal 2 is additionally provided for The connecting portion 4 of the compressed gas liquid tank 5 is connected, and the compressed gas liquid tank 5 can accommodate the compressed gas liquid of the working liquid such as the cleaning agent, the paint and the lubricating oil, which can be used, and can be sprayed by the compressed gas tank 5 itself. The compressed gas liquid is ejected from the nozzle 15 through the liquid guiding tube 11 to achieve functions such as cleaning, painting or lubrication, compared with the conventional cleaning function. The endoscope, the endoscope device provided by the invention does not need an external high-pressure air pipe or a liquid pipe, reduces external interference, and greatly improves the flexibility of operation of the endoscope device.

[0041] The compressed gas liquid tank 5 is provided with a lead pipe assembly, the lead pipe assembly is a push type communication structure, the lead pipe assembly is pressed down, and the compressed gas liquid in the compressed gas liquid tank 5 is discharged. To the liquid guiding tube 11; the guiding tube assembly is raised, and the compressed gas liquid tank 5 is closed with the liquid guiding tube 11.

[0042] The control component is a push-type control component for controlling the pipe assembly to be pressed or raised.

[0043] As shown in FIG. 6, specifically, the push-type control component includes a pressure shaft 43, a second return spring 45, and a casing 42. The casing 42 is disposed on the connecting portion 4, and the connecting portion 4 A groove portion connected to the outer casing 42 is disposed, and a displacement cavity 44 is formed between the outer casing 42 and the groove portion of the connecting portion 4, and the two ends of the displacement cavity 44 are respectively connected a third port 441 of the quick-connecting groove 47 and a fourth port 442 communicating with the outside of the displacement cavity 44. One end of the outer casing 42 facing away from the connecting portion 4 is mounted on the central control end 2 to The connecting portion 4 is fixed to the central control end 2, the pressing shaft 43 is located in the displacement cavity 44, and one end of the pressing shaft 43 extends out of the third opening 441, The upper and lower displacement of one end of the third shaft 441 extends to press the bow tube assembly, and the other end of the pressure rod 43 extends out of the fourth port 442 for use as a force end The pressure shaft 43 is disposed on the shaft segment in the displacement cavity 44 a limiting collar 431, the second return spring 45 surrounds the pressure shaft 43 , and the two ends of the second return spring 45 abut against the limiting collar 431 and the third opening 441 The end face of the limiting collar 431 facing away from the second return spring 45 abuts against the outer periphery of the fourth port 442 such that the pinch bar 43 has a downward elastic displacement interval.

[0044] The endoscope apparatus further includes a handle 6, the middle portion of the handle 6 is rotatably connected to the central control end 2, one end of the handle 6 is a force applying portion, and the other end is opposite to the pressing shaft An end extending from the fourth port 442 abuts against the urging portion, and the upper and lower displacement of the pin shaft 43 can be pushed by a lever. It should be noted that the connecting portion 4 and the compressed gas liquid tank 5 may be fixedly connected, or may be a snap connection or a screw connection.

In the embodiment, the connecting portion 4 is a quick joint structure, and the connecting portion 4 is provided with a quick-connecting groove 47, and the quick-connecting groove 47 is detachably inserted with the compressed gas-liquid tank 5.

[0046] By providing the quick-connecting groove 47 on the connecting portion 4, the compressed gas-liquid tank 5 can be quickly replaced, and the installation is convenient, and the compressed gas of different functions can be loaded into different compressed gas-liquid tanks 5, Use to clean, spray When the paint or mechanical lubrication function is selected, the corresponding compressed gas tank 5 is selected for operation, so that it can adapt to different operation requirements and realize the conversion of different functions.

[0047] The compressed gas liquid tank 5 can be made by itself or using commercially available standard parts.

[0048] As shown in FIG. 4, in the present embodiment, the compressed gas liquid tank 5 includes a can cap 51 and a can body 52, and the can cap 51 and the can body 52 are sealingly connected to form a compressed gas. a gas-liquid chamber 521 of the liquid, wherein the gas-liquid chamber 52 1 houses a compressed gas liquid, and the compressed gas liquid may be a liquefied gas, a mixture of a compressed gas and a liquid, or a gas which can be rapidly generated. a liquid mixture for forming a high pressure in the gas-liquid chamber 521 and having a certain pressure difference from the external atmospheric pressure, the can cap 51 being detachably coupled to the quick-connecting groove 47, the can cap 51 The top portion is provided with a protruding outer edge 511, and the quick-connecting groove 47 is provided with a protruding inner edge 41, and the compressed gas-liquid tank 5 is buckled by the mutual protruding of the protruding outer edge 511 and the protruding inner edge 41. Mounted into the quick-connecting groove 47, the lead-pipe assembly is disposed on the can cap 51.

[0049] The quick-connecting groove 47 is internally provided with a transfer cap 46 for connecting the lead pipe assembly, and the transfer cap 46 is a quick-connecting structure detachably connected to the lead pipe assembly, and the liquid guiding body The tube 11 is connected to the transfer cap 46. When the bow tube assembly communicates with the compressed gas liquid tank 5 and the liquid guide tube 11 , the pressure difference between the inside and the outside of the compressed gas liquid tank 5 causes the compressed gas liquid to be compressed. The compressed gas liquid in the tank 5 is led out from the lead pipe assembly, and is ejected from the head 15 through the transfer cap 46 and the liquid guide tube 11, and the person skilled in the art can perform the gas-liquid form according to the desired spray. The shape and size of the showerhead 15 are designed to form a misty spray or liquid column.

[0050] It should be noted that, in other embodiments, the adapter cap 46 may be fixed by being connected to the bottom of the pressure shaft 43 or integrally connected to the catheter tube 11.

[0051] As shown in FIG. 5, specifically, the guiding tube assembly includes a pressing tube 53, a first return spring 56, a sealing pad 54, a communication cavity 55 and an extension tube 58;

The communication cavity 55 is disposed on the can cap 51. One end of the communication cavity 55 is provided with a first port 551 communicating with the gas-liquid cavity 521, and the other end of the communication cavity 55 A second port 552 is provided, and the pressing tube 53 is inserted into the second port 552.

[0053] The first port 551 is provided with a protruding pipe section 57, the extension pipe 58 is sleeved outside the protruding pipe section 57, and the extension pipe 58 is extended by the first port 551 to The inside of the gas-liquid chamber 521; the communication chamber 55 and the gas-liquid chamber 521 communicate with each other through the extension tube 58.

[0054] the first return spring 56-end abuts against the pressing tube 53, and the other end of the first return spring 56 abuts The pressing tube 55 is located on the inner wall of the edge of the first port 551, and the pressing tube 53 can be moved from the closed position to the communicating position relative to the second port 552 by the external force and compresses the first return spring 56. After the external force acting on the pressing tube 53 disappears, the pressing tube 53 is returned from the communication position to the closed position by the restoring force of the first return spring 56, and the sealing rubber pad 54 is located at the The connecting cavity 53 is disposed near the second port 552. The pressing tube 53 is internally provided with a connecting passage 531. The outlet 532 of the connecting channel 531 is led out of the end surface of the pressing tube 53 facing away from the communicating cavity 55. The inlet 533 of the connecting passage 531 is led out of the side wall of the pressing tube 53.

[0055] When the pressing tube 53 is in an initial state, the pressing tube 53 is in a closed position, and the inlet 533 of the connecting passage 531 is closed by the sealing rubber pad 54. When the pressing tube 53 is in the pressing state, the pressing tube 53 is in the communication position, the inlet 533 of the connecting passage 531 and the communication chamber 55 communicate with each other, and the gas-liquid chamber 521 is communicated with the outside. The compressed gas liquid in the gas-liquid chamber 521 is taken out by the communication chamber 55. When the external force applied to the pressing tube 53 disappears, the pressing tube 53 can be pushed back from the communication position to the closed position by the first return spring 56.

[0056] With the above-described push-type bow tube assembly structure, the compressed gas liquid tank and the liquid guiding tube can be quickly connected or closed, and the reaction speed is high.

[0057] It should be noted that the above is only a preferred embodiment of the lead tube assembly, and should not be construed as limiting the present invention. In other embodiments, the lead tube assembly may also be provided with a rotary valve for opening and closing. , set the electronically controlled valve to open or close, or other structures that enable the passage or closure of its passage.

[0058] In this embodiment, the endoscope device further includes a display end 3, and the central control terminal 2 is provided with a communication module for performing signal transmission with the camera 16 and the display terminal 3, and the signal The transmission method includes wired communication and wireless communication. Correspondingly, the communication module includes a wired communication module and a wireless communication module.

[0059] The display terminal 3 is detachably mounted on the central control terminal 2; when the display terminal 3 is mounted on the central control terminal 2, the display terminal 3 communicates with the central control terminal 2 through a wired communication module; When the display terminal 3 is separated from the central control terminal 2, the display terminal 3 communicates with the central control terminal 2 through a wireless communication module.

[0060] As shown in FIG. 4, FIG. 7 and FIG. 8, the central control terminal 2 is provided with a card socket, and the display terminal 3 is provided with a latching slot 34, the latching slot 34 and the display end. 3 Electrical connection; the connection between the display end 3 and the central control end 2 can be realized by the snap groove 34 and the card holder.

[0061] The display end 3 is mounted on the central control terminal 2, the card socket is connected to the card slot 34, and the display terminal 3 and the central control terminal 2 are connected. Wired communication is realized by electrical connection, and the display terminal 3 is provided with a display screen 31 for image display.

[0062] The display terminal 3 is detached from the central control terminal 2, and the communication mode between the display terminal 3 and the central control terminal 2 is automatically converted into wireless communication, and those skilled in the art can adopt Bluetooth, GPRS according to requirements. , WIFI and other communication methods; Wireless communication realizes that the display terminal 3 and the central control terminal 2 are separated within a certain range, which reduces the restriction on the operation of the snake tube 1, and the operator can monitor the operating environment of the snake tube 1 at any position.

[0063] The display terminal 3 is provided with an independent power supply battery for power supply, and the display terminal 3 is further provided with a display terminal power supply 32.

[0064] The central control terminal 2 is provided with a transmission frequency band switching switch, and the signal transmission channel for changing the video information transmitted by the wireless communication module is switched by the transmission frequency band switching, and the display terminal 3 is provided with a receiving frequency band switching. Off 33, the receiving frequency band switching switch 33 is used to change the signal transmission channel of the display terminal 3 for receiving video information; when the wireless communication module and the display terminal 3 are in the same signal transmission channel, the signal transmission can be performed, and multiple signal transmission channels are set. When multiple endoscopic devices work in the same working environment, different endoscope devices can be placed in different signal transmission channels to avoid signal interference between different endoscope devices.

[0065] As shown in FIG. 3 and FIG. 4, in order to meet the image collection requirements of some weak light positions, the periphery of the camera 16 is provided with a plurality of LED lamps 17, and the central control terminal 2 is provided with a handle portion. 22, the handle portion 22 is used for the operator to perform the operations such as cleaning, painting or lubrication, and the endoscope device is gripped to improve the portableness. Those skilled in the art can design the handle portion 22 of different shapes as needed. To adapt to different grip gestures. A light control switch 24 for controlling the LED lamp 17 is disposed on the handle portion 22, and the light control switch 24 is electrically connected to the LED lamp 17.

[0066] In order to ensure the normal operation of the communication module in the central control terminal 2 and the power supply of the camera 16 and the LED lamp 17, the central control terminal 2 is internally provided with a power supply for supplying power, and the power supply may be existing. For the primary or secondary battery, the central control terminal 2 is further provided with a handle power switch 23 for controlling the power supply.

[0067] In other embodiments, the central control terminal 2 can also supply power by means of an external power line.

As shown in FIG. 2 and FIG. 4, in the embodiment, the end of the signal transmission line 12 at the end of the coil 1 is provided with a video signal connector 14, and the central control terminal 2 is provided with a video signal connector 21. The video signal connector 21 is detachably connected to the video signal connector 14. [0069] The tail end of the flexible tube 1 is provided with a protective sleeve 13, the protective sleeve 13 is displaceable along the axis of the flexible tube 1, the protective sleeve 13 is connected with the central control end 2, and the protective sleeve 13 covers the flexible tube The connection position between the tail end and the central control end 2 further protects the connection position of the tail end of the flexible tube 1 and the central control end 2.

[0070] The end of the liquid guiding tube 11 at the end of the flexible tube 1 is taken out from the protective sleeve 13 and connected to the connecting portion 4.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalents, and improvements made within the spirit and scope of the present invention should be included in the present invention. Within the scope of protection of the invention.

Claims

Claim

[Claim 1] An endoscope apparatus, comprising: a coil (1), a central control end (2), and a connecting portion (4), wherein the connecting portion (4) is disposed at the central control end ( 2) upper, for connecting a compressed gas tank (5); the coil (1) has a head end and a tail end, and the head end of the coil (1) is provided with a camera (16) and a nozzle (15) The coil (1) is internally provided with a signal transmission line (12) for signal transmission and a liquid guiding tube (11) for liquid transmission, one end of the signal transmission line (12) is connected to the camera (16), and One end extends out of the tail end of the flexible tube (1) and is connected to the central control end (2); one end of the liquid guiding tube (11) is connected to the shower head (15), and the liquid guiding tube (11) The other end extends out of the tail end of the coil (1) and is connected to the compressed gas tank (5), the endoscope apparatus further comprising a control gas tank (5) and the guide Liquid tube (11) Control unit that is connected or closed.

[Claim 2] The endoscope apparatus according to claim 1, wherein the compressed gas tank (5

a guide tube assembly is provided, the lead tube assembly is a push-type communication structure, the lead tube assembly is pressed down, and the compressed gas and liquid in the compressed gas liquid tank (5) is led to the liquid guide tube ( 1 1); the guiding pipe assembly is raised, the compressed gas liquid tank (5) is closed with the liquid guiding tube (11); the control component is a pressing control component for controlling the guiding pipe assembly Press down or rise.

[Claim 3] The endoscopic apparatus according to claim 2, wherein said control means comprises a racking shaft ^_(43), a second return spring ⁽⁴⁵⁾ and the housing ^(42), said housing ( ⁴² ) disposed on the connecting portion (4), a displacement cavity (44) is formed between the outer casing (42) and the connecting portion (4), and two ends of the displacement cavity (44) a third port (441) that communicates with the quick-connecting groove (47) and a fourth port (442) that communicates with the outside of the displacement cavity (44), respectively, the pressure shaft (43) is located Displacement cavity (44), and one end of the pressure shaft (43) extends out of the third port (441) and abuts against the top of the adapter cap (46), the pressure shaft (43) The other end extends from the fourth port (442), the pressure shaft (43) is provided with a limit collar (431), and the second return spring (45) surrounds the pressure rod (43). And the second return spring (45 Both ends abut against the limit collar (431) and the third port (441).

[Claim 4] The endoscope apparatus according to claim 3, wherein the endoscope apparatus further includes a handle (6), a middle portion of the handle (6) and the center end ( 2) rotatably connected, one end of the handle (6) is a force applying portion, and the other end abuts against one end of the pressing rod (43) extending out of the fourth opening (442) to push the pressing shaft The up and down displacement of the rod (43).

[Claim 5] The endoscope apparatus according to claim 2, wherein the connecting portion (4) is provided with a quick-connecting groove (47);

The compressed gas liquid tank (5) includes a tank cap (51) and a tank body (52), and the tank cap (51) and the tank body (52) are sealingly connected to form a gas liquid chamber for accommodating compressed gas and liquid. a body (521), the can cap (51) is detachably coupled to the quick-connecting groove (47), and the guiding tube assembly is disposed on the can cap (51);

The quick-connecting groove (47) is internally provided with a transfer cap (46) for connecting the lead pipe assembly, and the other end of the liquid-guiding pipe (11) is connected to the transfer cap (46).

[Claim 6] The endoscope apparatus according to claim 5, wherein the guide tube assembly comprises a pressing tube (53), a first return spring (56), a sealing pad (54), and a communication chamber (55) and extension tube (58);

The communication cavity (55) is disposed on the can cap (51), and one end of the communication cavity (55) is provided with a first port (551) communicating with the gas-liquid cavity (521). The other end of the communication chamber (55) is provided with a second port (552), and the pressing tube (53) is inserted into the second port (552);

The extension tube (58) extends from the first port (551) to the inside of the gas-liquid chamber (521);

The first return spring (56) ends against the pressing tube (53), and the other end of the first return spring (56) abuts the communication cavity (55) at the first opening (551) An inner wall of the edge, the pressing tube (53) is movable by an external force from the closed position to the communicating position relative to the second port (552) and compresses the first return spring (56), acting on the pressing tube (53) after the external force disappears, the pressing tube (53) passes the The restoring force of the first return spring (56) returns from the communication position to the closed position, and the sealing rubber pad (54) is located in the communication cavity (55) near the second port (55 2) Wherein, the pressing tube (53) is internally provided with a connecting passage (531), and an outlet (532) of the connecting passage (531) leads from an end surface of the pressing tube (53) facing away from the communication chamber (55). An inlet (533) of the connecting passage (531) leads to a side wall of the pressing tube (53);

The pressing tube (53) is located in the closed position 吋, and the inlet (5 33) of the connecting passage (531) is closed by the sealing rubber pad (54);

The pressing tube (53) is located at the communication position 吋, and the inlet (5 33) of the connecting passage (531) communicates with the communication chamber (55).

The endoscope apparatus according to claim 1, wherein the endoscope apparatus further includes a display end (3), and the central control end (2) is provided with the camera (16) and The display terminal (3) is a communication module for signal transmission, and the communication module includes a wired communication module and a wireless communication module.

The endoscope apparatus according to claim 7, wherein the display end (3) is detachably mounted on the central control end (2); when the display end (3) is mounted on the central control end ( 2) the upper end, the display end (3) communicates with the central control end (2) through a wired communication module; when the display end (3) is separated from the central control end (2), the display end ( 3) Communicate with the central control terminal (2) through the wireless communication module.

The endoscope apparatus according to claim 8, wherein the wireless communication module is provided with a transmission band switching, and the display terminal (3) is provided with a receiving band switching (33).

The endoscope apparatus according to claim 1, wherein a plurality of LED lamps (17) are disposed on an outer circumference of the camera (16), and the central control terminal (2) is provided with a handle portion (2 2) The handle portion (22) is provided with a light control switch (24) for controlling the LED light (17), and the light control switch (24) is electrically connected to the LED light (17) .