Endoscope cleaning device

Abstract

The utility model relates to the field of medical instruments, in particular to an endoscope cleaning device which comprises a sleeve and a handle connected to one end of the sleeve, the sleeve is provided with a main cavity for an endoscope to penetrate through and further provided with an auxiliary cavity, a transmission wire is arranged in the auxiliary cavity, an endoscope wiping block is arranged at the end, penetrating out of the sleeve, of the transmission wire, and the endoscope wiping block is connected with the handle. The other opposite end of the transmission wire is fixedly connected with a transmission structure in the handle, the transmission structure comprises a transmission groove and a positioning column which are matched with each other, and the endoscope wiping block is driven to do rotary progressive movement through relative movement of the transmission groove and the positioning column, so that the endoscope lens is wiped; in the operation process, the lens can be cleaned without taking out the endoscope, and after cleaning is completed, the gear can be adjusted to move the cleaning block to the position where the visual field is not blocked.

Description

Technical Field

[0001] The utility model relates to the field of medical instruments, in particular to a cleaning device for an endoscope. Background Art

[0002] Minimally invasive surgery has become mainstream, and endoscopes are essential products for minimally invasive surgery. Endoscopes can be used to assist in observing the affected area during surgery.

[0003] However, during the operation, the temperature difference between the inside and outside of the lens often causes fogging on the lens surface, smoke generated by cutting, or liquid used in the operation to adhere to the lens, which obstructs the surgical field of view and makes it impossible to continue the operation. The entire lens needs to be removed, cleaned, and reinserted, resulting in low surgical efficiency, affecting the quality of the operation, increasing the difficulty of the operation, and prolonging the operation time. Repeated removal and insertion of the lens during cleaning may also cause unnecessary damage to the surgical site.

[0004] Therefore, whether it is possible to provide an endoscope cleaning device that has a simpler structure and is convenient for medical staff to operate has become one of the problems to be solved urgently in the field. Utility Model Content

[0005] In order to solve the problem in the prior art that it is inconvenient to clean the lens of an endoscope when it is in use, the lens needs to be taken out as a whole, cleaned and then reinserted, which affects the quality and efficiency of the operation, the utility model provides an endoscope cleaning device, comprising a sleeve and a handle connected to one end of the sleeve, the sleeve being provided with a main cavity for the endoscope to pass through, and a secondary cavity, a transmission wire being arranged in the secondary cavity, a lens wiping block being arranged on the end of the transmission wire passing through the sleeve, the other end of the transmission wire being fixedly connected to a transmission structure inside the handle, the transmission structure comprising a transmission groove and a positioning column that cooperate with each other, the lens wiping block is driven to perform a rotational progressive motion through the relative movement of the transmission groove and the positioning column, so as to realize wiping of the endoscope lens, the lens can be cleaned without taking out the endoscope during the operation, and after the cleaning is completed, the gear can be adjusted to move the cleaning block to a position where the field of view is not obstructed.

[0006] The endoscope cleaning device provided by the utility model comprises a sleeve and a handle arranged at one end of the sleeve, the sleeve is provided with a main cavity and a secondary cavity, the main cavity is for the endoscope to pass through, a transmission wire is arranged in the secondary cavity, a transmission gear and a fine-tuning gear are arranged inside the handle, and a transmission structure is arranged corresponding to the transmission gear and the fine-tuning gear, and the transmission gear and the fine-tuning gear are partially exposed on the handle; one end of the transmission wire is fixedly connected to the transmission structure, the transmission wire passes through the secondary cavity, and is fixedly connected to the mirror wiping block on the outside of the sleeve;

[0007] The transmission structure comprises a transmission groove and a positioning column which cooperate with each other. The relative movement of the transmission groove and the positioning column drives the lens wiping block to perform a rotational progressive movement, thereby achieving wiping of the endoscope lens.

[0008] The more specific structure is as follows:

[0009] Preferably, drive gears are connected to both outer shells of the handle through shafts, and openings are provided on the handle outer shell corresponding to the drive gears; a second bevel gear is coaxially arranged with the drive gear, and a first bevel gear is arranged in cooperation with the second bevel gear and correspondingly, the first bevel gear is fixed on the rotating shaft, and a drive block is fixedly arranged at the other end of the rotating shaft relative to the first bevel gear;

[0010] More preferably, two opposite connection ends are provided on the inner surface of the handle corresponding to the shaft on the drive gear, and the shaft on the drive gear is rotatably connected to the connection ends.

[0011] Preferably, the transmission structure further includes a transmission shaft. There is a hole at the bottom of the transmission shaft for the rotating shaft of the first bevel gear to pass through, and a groove is provided inside the transmission shaft. The shape of the groove corresponds to that of the drive block. After the rotating shaft of the first bevel gear passes through the hole at the bottom of the transmission shaft, the drive block at one end thereof is placed in the groove inside the transmission shaft. The cooperation between the drive block and the groove at the bottom of the transmission shaft enables the drive block to drive the transmission shaft to rotate when the drive block rotates; a transmission groove is provided at the upper part of the transmission shaft, and the shape of the transmission groove corresponds to that of the positioning post, and it is divided into a high-level groove and a low-level groove; a protruding interface is provided at the top of the transmission shaft, and the interface is fixedly connected to the transmission wire.

[0012] More preferably, the drive block is square, and the groove inside the transmission shaft is a square groove corresponding to the drive block;

[0013] Both the transmission shaft and the drive block are set to be square, which is a preferred way of the circumferential fixed cooperation. When the drive block rotates, it can drive the transmission shaft to rotate together, but the shapes of the transmission shaft and the drive block are not limited to square, and all shapes that can achieve circumferential fixed cooperation can be used, such as other polygons, etc.;

[0014] Preferably, the transmission structure further includes a combined first transmission shell and second transmission shell; ribs are preset inside the first transmission shell and the second transmission shell. The middle of the ribs is hollowed out, and the size of the hollowed-out part corresponds to the size of the transmission shaft. A hole is provided at the bottom. When the two transmission shells are combined, the hole at the bottom is for the rotating shaft of the first bevel gear to pass through; positioning posts are provided on the inner surface of the top of the first transmission shell, and the shape of the positioning posts cooperates with the transmission groove on the surface of the transmission shaft;

[0015] Preferably, the outer surfaces of the first transmission housing and the second transmission housing are provided with external threads, on which a fine-tuning gear is arranged, and the inside of the fine-tuning gear has internal threads that cooperate with the external threads; after the second transmission housing is assembled, a hollow is provided at the bottom corresponding to the position of the transmission gear. By providing a hollow opening corresponding to the transmission gear at the bottom of the second transmission housing, the overall transmission structure is made more compact; limit blocks are provided on the sides of the first transmission housing and the second transmission housing, and limit posts corresponding to the limit blocks are fixedly arranged inward from the side surface of the handle. The limit posts extending from both sides of the handle form grooves corresponding to the limit blocks at the limit blocks. Both the grooves and the limit blocks are square, and the height of the limit post grooves is greater than the height of the limit blocks, forming a guide rail that cooperates with the limit blocks.

[0016] Through the cooperation of the limit block and the limit post, the rotation of the transmission housing can be restricted, and the transmission housing has a lateral limiting effect. When adjusting the fine-tuning gear, the rotation of the fine-tuning gear will not drive the transmission housing to rotate.

[0017] Preferably, two fixing clamping plates corresponding to the fine-tuning gear and extending into the handle are respectively arranged inside the handle. The distance between the fixing clamping plates is equal to the height of the fine-tuning gear. After assembly, the fine-tuning gear is fixed between the two fixing clamping plates. An opening corresponding to the fine-tuning gear is provided on the handle, and a part of the fine-tuning gear is exposed on the outer surface of the handle. The fixing clamping plates have no overlapping part with the transmission housing in the axial direction of the handle.

[0018] Preferably, the high-position groove is a groove at a high position on the transmission shaft, having a certain length, parallel and at the same height. The low-position groove is a groove at a low position on the transmission shaft, having a certain length, parallel and at the same height. The high-position groove and the low-position groove are connected by an arc-shaped groove, forming a continuous transmission groove on the surface of the transmission shaft.

[0019] Preferably, a protective shell is provided at the connection between the sleeve and the handle.

[0020] More preferably, the protective shell is fixedly connected to both the sleeve and the handle. The fixed connection methods include but are not limited to bonding and clamping.

[0021] Preferably, an endoscope inlet is provided on the handle corresponding to the main channel of the sleeve.

[0022] Preferably, there is a protrusion on the upper part of the endoscope. A groove with a bayonet is provided on the upper part of the endoscope inlet. When the endoscope is inserted into the sleeve, the protrusion of the endoscope pushes the bayonet of the groove to both sides. After being pushed into the groove, the bayonet resets and fixes, which can assist in fixing the endoscope.

[0023] During use, the driving gear is adjusted to drive the shaft on the driving gear to rotate, driving the second bevel gear to rotate. The second bevel gear drives the first bevel gear that mates with it to rotate, and the first bevel gear drives the driving block to rotate. Since the driving block is circumferentially fixed to the groove shape at the bottom of the transmission shaft, the rotation of the driving block will drive the transmission shaft to rotate. The rotation of the transmission shaft will cause the positioning post inside the transmission housing and the transmission groove on the surface of the transmission shaft to move relative to each other. Since the transmission groove is divided into a high-position groove and a low-position groove, and there is no axial fixing effect between the driving block and the groove at the bottom of the transmission shaft, the relative movement between the positioning post and the transmission groove will cause the transmission shaft to displace axially in the handle. Through this displacement, the transmission wire fixedly connected to the transmission shaft moves relatively, thereby adjusting the distance between the lens wiping block and the endoscope lens;

[0024] When the positioning post is located in the low-position groove of the transmission groove, the lens wiping block is in the high position and abuts against the lens of the endoscope. At this time, the driving gear is rotated to make the positioning post move in the parallel groove with a certain length in the low-position groove, and the lens wiping block rotates and wipes the lens while abutting against the lens, without progressive movement;

[0025] After the wiping is completed, the driving gear is rotated to make the positioning post and the transmission groove move relative to each other until the positioning post is located in the high-position groove. At this time, the lens wiping block moves to the low position to end the wiping of the lens. Continuing to rotate the driving gear makes the positioning post move in the parallel groove with a certain length in the high-position groove. At this time, the lens wiping block rotates in the low position and rotates to a position that does not affect the field of view of the endoscope lens.

[0026] Before use, the fine adjustment gear can be adjusted to make the positioning post located in the low-position groove of the transmission groove, and the lens wiping block just abuts against the lens of the endoscope. Specifically, since there is a fixed clamping plate for fixing the fine adjustment gear inside the handle, the fine adjustment gear will not move axially in the handle when the fine adjustment gear is rotated, and both the limit post inside the handle and the limit block on the transmission housing are square, and the transmission housing will not be driven to rotate when the fine adjustment gear is rotated. Therefore, rotating the fine adjustment gear only changes the relative position of the fine adjustment gear on the external thread of the transmission housing, and the change in the relative position of the fine adjustment gear on the external thread of the transmission housing can cause the overall displacement of the transmission housing and the positioning post, transmission groove, and transmission shaft inside it, thereby adjusting the distance between the lens wiping block and the lens when the positioning post is located in the low-position groove of the transmission groove;

[0027] By adjusting the distance between the lens wiping block and the lens through the above method, the endoscope cleaning device of the present invention can adapt to endoscopes of various sizes.

[0028] The endoscope cleaning device described in the present invention has achieved the following technical effects:

[0029] 1) In this endoscope cleaning device, the guide posts and guide grooves inside the transmission structure cooperate with each other. By driving the bevel gear set through the transmission gear, the effect of automatic progressive movement of the lens wiping block can be achieved when the transmission gear rotates, realizing the cleaning of the lens during the operation, and the operation is convenient and fast.

[0030] 2) Through the fine-tuning gear partially exposed on the side of the handle, the overall position of the transmission structure inside the handle can be finely adjusted, and then the relative position between the lens wiping block and the lens can be adjusted, enabling the cleaning device to adapt to various lens sizes and dimensions.

[0031] 3) Using this device, the cleaning of the endoscope lens can be achieved without removing the endoscope, improving the efficiency, quality, and safety of the operation. After the cleaning is completed, the cleaning block can be moved to a position that does not affect the lens vision by adjusting the transmission gear. Description of the Drawings

[0032] Figure 1 It is a schematic diagram of the endoscope cleaning device;

[0033] Figure 2 It is Figure 1 The enlarged view of part A in

[0034] Figure 3 It is a schematic diagram of the transmission structure;

[0035] Figure 4 It is a cross-sectional view of the sleeve;

[0036] Figure 5 It is a schematic diagram of the fine-tuning gear;

[0037] Figure 6 It is a top view of the endoscope cleaning device;

[0038] Figure 7 It is a side schematic diagram of the internal structure of the handle;

[0039] Figure 8 It is a schematic diagram of the first transmission housing;

[0040] Figure 9 It is a schematic diagram of the second transmission housing;

[0041] Figure 10 It is a schematic diagram of the combination of the first transmission housing and the second transmission housing;

[0042] Figure 11 It is a schematic diagram of the limit post and the limit block;

[0043] Figure 12 It is a schematic diagram of the transmission shaft;

[0044] Figure 13 It is a schematic diagram of the transmission gear and the bevel gear;

[0045] Figure 14 Schematic diagram of the positioning post located in the high-position groove of the transmission groove;

[0046] Figure 15 Schematic diagram of the positioning post located in the low-position groove of the transmission groove;

[0047] Figure 16 Schematic diagram of the endoscope cleaning device cleaning the lens;

[0048] Figure 17 Schematic diagram of the endoscope cleaning device after completing the cleaning.

[0049] Wherein: 1 is a handle; 2 is a transmission structure; 2-1 is a transmission shaft; 2-2 is a transmission groove; 2-3 is a fine-tuning gear; 2-4 is a transmission block; 2-5-1 is a first transmission housing; 2-5-2 is a second transmission housing; 2-6 is a limit block; 2-7 is a first bevel gear; 2-8 is a transmission gear; 2-9 is a second bevel gear; 2-10 is a fixed clamping plate; 2-11 is a limit post; 2-12 is a positioning post; 3 is an endoscope insertion port; 4 is a transmission wire; 5 is a protective housing; 6 is a sleeve; 6-1 is a main channel; 6-2 is a sub-channel; 7 is a lens wiping block. Specific embodiments

[0050] The technical solutions of the present invention will be further described below in conjunction with specific embodiments. These embodiments are only used to explain the technical solutions of the present invention in more detail and should not be construed as limiting the protection scope of the present invention.

[0051] As shown in Figure 1 , an endoscope cleaning device includes a sleeve 6 and a handle 1 provided at one end of the sleeve 6. A protective housing 5 is provided at the connection between the sleeve 6 and the handle 1. The protective housing 5 is fixedly connected to both the sleeve 6 and the handle 1. The fixed connection methods include but are not limited to bonding and clamping. The cross-section of the sleeve 6 is as shown in Figure 4 . The sleeve has a main channel 6-1 and a sub-channel 6-2. The main channel 6-1 allows the endoscope to pass through, and a transmission wire 4 is provided in the sub-channel 6-2.

[0052] The handle 1 is internally provided with a transmission gear 2-8 and a fine-tuning gear 2-3. A transmission structure 2 is correspondingly provided for the transmission gear 2-8 and the fine-tuning gear 2-3. Part of the transmission gear 2-8 and the fine-tuning gear 2-3 is exposed outside the handle 1, and one end of the transmission structure 2 is fixedly connected to the transmission wire 4.

[0053] Preferably, the handle 1 includes two detachable and assembled housing parts.

[0054] One end of the transmission wire 4 is fixedly connected to the transmission structure 2. The transmission wire 4 passes through the sub-channel 6-2 and is fixedly connected to the lens wiping block 7 outside the sleeve 6.

[0055] An endoscope insertion port 3 is correspondingly arranged on the handle 1 and is aligned with the main channel 6-1 of the sleeve 6. The endoscope can be inserted through the insertion port 3 and disposed within the main channel 6-1.

[0056] The top view of the endoscope cleaning device is as shown in Figure 6 In the figure, a groove is provided above the insertion port 3, and a bayonet is arranged on the groove. A cylinder is provided on the upper part of the endoscope. The groove corresponds to the cylinder. When the endoscope is inserted through the handle 1 and the sleeve 6, the cylinder projection on the endoscope is pushed into the groove, and the bayonet of the groove is squeezed to both sides. After being pushed into the groove, it is clamped and fixed in the groove above the insertion port 3. At the same time, pulling it backward can also make the cylinder come out, which can play an auxiliary fixing role for the endoscope.

[0057] As shown in Figure 2 、 Figure 3 and Figure 7 In the figure, the transmission structure 2 includes a transmission gear 2-8 connected to the two side shells of the handle 1 through a shaft. The shaft and the shell of the handle 1 are rotatably connected. In this embodiment, two opposite connection ends serving as rotary connection interfaces are provided on the inner surface of the shell of the handle 1 corresponding to the shaft. The shaft is rotatably connected to the shell of the handle 1 through the connection ends. The connection ends are preferably cylindrical, or may be other well-known shapes. The shaft is in interference fit with the transmission gear 2-8. An opening is provided on the shell 1 corresponding to the transmission gear 2-8, so that a part of the transmission gear 2-8 is exposed outside the surface of the handle 1. A second bevel gear 2-9 coaxially arranged with the transmission gear 2-8, and a first bevel gear 2-7 cooperated with the second bevel gear 2-9 and correspondingly arranged. The first bevel gear 2-7 is fixed on a rotating shaft. A transmission block 2-4 is fixedly arranged at the other end of the rotating shaft relative to the first bevel gear 2-7. The rotating shaft of the first bevel gear 2-7 passes through the holes at the bottom of the combination of the two transmission shells and the hole at the bottom of the transmission shaft 2-1, and the transmission block 2-4 at its other end is placed in the groove at the bottom of the transmission shaft 2-1;

[0058] The transmission structure 2 further includes a combined first transmission shell 2-5-1 and a second transmission shell 2-5-2; the structures of the first transmission shell 2-5-1 and the second transmission shell 2-5-2 are as shown in Figure 8 and Figure 9 In the figure; ribs are preset inside the first transmission shell 2-5-1 and the second transmission shell 2-5-2. The middle of the ribs is hollowed out, and the hollowed-out size corresponds to the size of the transmission shaft 2-1. Holes are provided at the bottom. When the two transmission shells are combined, the hole at the bottom is for the rotating shaft of the first bevel gear 2-7 to pass through; a positioning column 2-12 is arranged at the top of the first transmission shell 2-5-1, and the shape of the positioning column 2-12 matches the transmission groove 2-2 on the surface of the transmission shaft 2-1;

[0059] The outer surfaces of the first transmission housing 2-5-1 and the second transmission housing 2-5-2 are provided with external threads. After combination, the external threads on the outer surfaces of the two transmission housings form an integral thread, as Figure 5 and Figure 10 shown. A fine-tuning gear 2-3 is provided on the external thread. The inside of the fine-tuning gear 2-3 has an internal thread that mates with the external thread;

[0060] After the second transmission housing 2-5-2 is assembled, a bottom hollow is provided at the position corresponding to the transmission gear 2-8. After assembly, the transmission gear is located at the bottom hollow of 2-5-2, making the overall structure more compact;

[0061] Limit blocks 2-6 are provided on the sides of the first transmission housing 2-5-1 and the second transmission housing 2-5-2. Limit posts 2-11 corresponding to the limit blocks 2-6 are fixedly arranged inward from the side surface of the handle 1. The limit posts 2-11 extending from both sides of the handle 1 form grooves corresponding to the limit blocks 2-6 at the limit blocks 2-6. Both the grooves and the limit blocks 2-6 are square, thereby restricting the rotation of the two transmission housings inside the handle 1 and restricting the lateral movement of the positioning block 2-6 and the two transmission housings relative to the handle 1, making them fixed laterally. Preferably, the height of the groove of the limit post 2-11 is greater than the height of the limit block 2-6, forming a guide rail that mates with the limit block 2-6, as Figure 11 shown.

[0062] Inside the handle 1, fixed clamping plates 2-10 corresponding to the fine-tuning gear 2-3 and extending into the handle 1 are respectively provided. The distance between the fixed clamping plates 2-10 is equal to the height of the fine-tuning gear 2-3. After assembly, the fine-tuning gear 2-3 is fixed between the two fixed clamping plates 2-10, making the fine-tuning gear 2-3 axially fixed in the handle 1. An opening is provided on the handle 1 corresponding to the fine-tuning gear 2-3, and a part of the fine-tuning gear 2-3 is exposed outside the surface of the handle 1. The cooperation between the limit block 2-6 and the limit post 2-11 makes the fine-tuning gear 2-3 and the two transmission housings fixed laterally in the handle 1.

[0063] Through the cooperation between the limit block 2-6 and the limit post 2-11, and the fixation of the fine-tuning gear 2-3 by the fixed clamping plates 2-10, the transmission structure 2 does not move relative to the handle 1 during use.

[0064] The transmission structure 2 further includes a transmission shaft 2-1. The structure of the transmission shaft 2-1 is as Figure 12As shown in the figure, the bottom of the transmission shaft 2-1 has a hole for the rotation shaft of the first bevel gear 2-7 to pass through. There is a groove inside the transmission shaft 2-1, and the shape of the groove corresponds to that of the transmission block 2-4. After the rotation shaft of the first bevel gear 2-7 passes through the hole at the bottom of the transmission shaft 2-1, the transmission block 2-4 at one end is placed in the groove inside the transmission shaft 2-1. The cooperation between the transmission block 2-4 and the groove at the bottom of the transmission shaft 2-1 enables the transmission block 2-4 to drive the transmission shaft 2-1 to rotate when the transmission block 2-4 rotates. Preferably, the shape of the transmission block 2-4 and the cross-sectional shape of the groove of the transmission shaft 2-1 are both square; a transmission groove 2-2 is provided at the upper part of the transmission shaft. The shape of the transmission groove 2-2 corresponds to that of the positioning post 2-12. It is divided into a high-position groove and a low-position groove. The high-position groove is a groove at a high position of the transmission shaft 2-1 with a certain length, parallel and at the same height. The low-position groove is a groove at a low position of the transmission shaft 2-1 with a certain length, parallel and at the same height. The high-position groove and the low-position groove are connected by an arc-shaped groove, forming a continuous and unbroken transmission groove 2-2 on the surface of the transmission shaft 2-1;

[0065] A raised interface is provided at the top of the transmission shaft 2-1, and the interface is fixedly connected to the transmission wire 4.

[0066] As Figure 13 shown in the figure, the transmission gear 2-8 is connected to the two side shells of the handle 1 through a rotatable shaft. An opening is provided on the shell of the handle 1 corresponding to the transmission gear 2-8, so that part of the transmission gear is exposed on the outer surface of the handle 1. A second bevel gear 2-9 is coaxially arranged with the transmission gear 2-8, and a first bevel gear 2-7 is arranged opposite to the second bevel gear 2-9. The first bevel gear 2-7 and the second bevel gear 2-9 cooperate. The first bevel gear 2-7 is fixedly arranged on the rotation shaft, and the transmission block 2-4 is fixedly arranged at the other end of the rotation shaft relative to the first bevel gear 2-7.

[0067] Figure 14 and Figure 15 are respectively schematic diagrams of the positioning post 2-12 located in the high-position groove and the low-position groove of the transmission groove 2-2. When the position of the lens wiping block 7 needs to be adjusted, rotate the transmission gear 2-8. The rotation of the transmission gear 2-8 drives its rotation shaft to rotate, and drives the second bevel gear 2-9 to rotate. The rotation of the second bevel gear 2-9 drives the first bevel gear 2-7 to rotate. The first bevel gear 2-7 drives the rotation of the rotation shaft fixed to it, and drives the transmission block 2-4 to rotate. The rotation of the transmission block 2-4 drives the rotation of the transmission shaft 2-1. At this time, the transmission groove 2-2 of the transmission shaft 2-1 cooperates with the positioning post 2-12 on the first transmission shell 2-5-1 and rotates in cooperation with the positioning post 2-12. Since the transmission block 2-4 only has a lateral anti-rotation effect on the transmission shaft 2-1 and no axial fixing effect, when the transmission groove 2-2 and the positioning post 2-12 move relative to each other, the transmission shaft 2-1 is driven to have a high-low displacement in the axial direction, thus realizing the function of rotational progression.

[0068] It should be noted that in order to move the transmission groove 2-2 and the positioning post 2-12 relative to each other until the positioning post 2-12 is located in the low-position groove, and the lens wiping block 7 is at a high position and just abuts against the lens of the endoscope, it can be preset by adjusting the fine-tuning gear 2-3. The specific method is to rotate the fine-tuning gear 2-3. Due to the action of the fixed clamping plate 2-10, the fine-tuning gear will not have axial displacement, and due to the cooperation of the limit post 2-11 and the limit block 2-6, the combined two transmission cases will not rotate. At this time, the fine-tuning gear 2-3 moves relative to the threads of the two transmission cases, driving the two transmission cases and the transmission shaft 2-1 inside them to move relative to the handle 1 as a whole, driving the transmission wire 4 and realizing the adjustment of the relative position of the lens wiping block 7, so that the position of the lens wiping block 7 corresponds to the lens of the endoscope.

[0069] When the transmission groove 2-2 and the positioning post 2-12 move relative to each other until the positioning post 2-12 is located in the low-position groove of the transmission groove 2-2, at this time the lens wiping block 7 is at a high position and abuts against the lens, as Figure 16 shown. At this time, continue to adjust the transmission gear 2-8, so that the positioning post 2-12 moves repeatedly in the grooves with a certain length, parallel and at the same height in the low-position groove of the transmission groove 2-2, so that the lens wiping block 7 can rotate and wipe at the lens and no longer move back and forth.

[0070] After the wiping is completed, rotate the transmission gear 2-8 to move the positioning post 2-12 and the transmission groove 2-2 relative to each other until the positioning post 2-12 is located in the high-position groove of the transmission groove 2-2, and make the positioning post 2-12 move in the grooves with a certain length, parallel and at the same height in the high-position groove until the lens wiping block 7 rotates to a position where it does not affect the field of view at a low position, and the cleaning of the lens is completed, as Figure 17 shown.

[0071] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. Any equivalent replacement, modification, etc. made by those skilled in the art without any creative labor within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An endoscope cleaning device, comprising a sleeve (6) and a handle (1) arranged at one end of the sleeve (6), characterized in that: The sleeve (6) is provided with a main cavity (6-1) and a secondary cavity (6-2), the main cavity (6-1) is for an endoscope to pass through, a transmission wire (4) is arranged in the secondary cavity (6-2), a transmission gear (2-8) and a fine-adjustment gear (2-3) are arranged inside the handle (1), and a transmission structure (2) is arranged corresponding to the transmission gear (2-8) and the fine-adjustment gear (2-3), and the transmission gear (2-8) and the fine-adjustment gear (2-3) are partially exposed outside the handle (1); One end of the transmission wire (4) is fixedly connected to the transmission structure (2), the transmission wire (4) passes through the auxiliary cavity (6-2), and is fixedly connected to the mirror wiping block (7) outside the sleeve (6).

2. The endoscope cleaning device according to claim 1, characterized in that: The outer shells on both sides of the handle (1) are connected with transmission gears (2-8) through shafts, and an opening is provided on the outer shell of the handle (1) corresponding to the transmission gear (2-8); a second bevel gear (2-9) is coaxially arranged with the transmission gear (2-8), and a first bevel gear (2-7) is matched with the second bevel gear (2-9) and correspondingly arranged, and the first bevel gear (2-7) is fixed on a rotating shaft, and a transmission block (2-4) is fixedly arranged on the other end of the rotating shaft opposite to the first bevel gear (2-7).

3. The endoscope cleaning device according to claim 2, characterized in that: The transmission structure (2) also includes a transmission shaft (2-1), the bottom of the transmission shaft (2-1) has a hole for the shaft of the first bevel gear (2-7) to pass through, the interior of the transmission shaft (2-1) has a groove, the shape of the groove corresponds to the transmission block (2-4), after the shaft of the first bevel gear (2-7) passes through the hole at the bottom of the transmission shaft (2-1), the transmission block (2-4) at one end is placed in the groove inside the transmission shaft (2-1), the transmission block (2-4) and the groove at the bottom of the transmission shaft (2-1) cooperate so that when the transmission block (2-4) rotates, the transmission shaft (2-1) is driven to rotate; a transmission groove (2-2) is arranged on the upper part of the transmission shaft (2-1), which is divided into a high-position groove and a low-position groove; the top of the transmission shaft (2-1) is provided with a raised interface, and the interface is fixedly connected to the transmission wire (4).

4. The endoscope cleaning device according to claim 3, characterized in that: The transmission structure (2) also includes a first transmission shell (2-5-1) and a second transmission shell (2-5-2) that are combined; ribs are preset inside the first transmission shell (2-5-1) and the second transmission shell (2-5-2); the middle of the ribs is hollowed out, the size of the hollowing out corresponds to the size of the transmission shaft (2-1), and a hole is arranged at the bottom. When the two transmission shells are combined, the hole at the bottom is used for the rotating shaft of the first bevel gear (2-7) to pass through; a positioning column (2-12) is arranged on the top of the first transmission shell (2-5-1), and the shape of the positioning column (2-12) matches the transmission groove (2-2) on the surface of the transmission shaft (2-1).

5. The endoscope cleaning device according to claim 4, characterized in that: The outer surfaces of the first transmission housing (2-5-1) and the second transmission housing (2-5-2) are provided with external threads, on which a fine-tuning gear (2-3) is provided, and the fine-tuning gear (2-3) has an internal thread matched with the external thread; after the second transmission housing (2-5-2) is assembled, a bottom hollow is provided at a position corresponding to the transmission gear (2-8); the sides of the first transmission housing (2-5-1) and the second transmission housing (2-5-2) are both provided with a limit block (2-6); a limit column (2-11) corresponding to the limit block (2-6) is fixedly arranged inwardly from the side surface of the handle (1); the limit columns (2-11) extending from both sides of the handle (1) form a groove corresponding to the limit block (2-6) at the limit block (2-6); the groove and the limit block (2-6) are both square; the height of the groove of the limit column (2-11) is greater than the height of the limit block (2-6), forming a guide rail matched with the limit block (2-6).

6. The endoscope cleaning device according to claim 1 or 2, characterized in that: Two fixed clamping plates (2-10) are respectively arranged inside the handle (1) and extend into the handle (1) and correspond to the fine-tuning gear (2-3). The spacing between the fixed clamping plates (2-10) is equal to the height of the fine-tuning gear (2-3). After assembly, the fine-tuning gear (2-3) is fixed between the two fixed clamping plates (2-10). An opening is arranged on the handle (1) corresponding to the fine-tuning gear (2-3), and a portion of the fine-tuning gear (2-3) is exposed on the outer surface of the handle (1).

7. The endoscope cleaning device according to claim 3, characterized in that: The high-position groove is a groove at a high position of the transmission shaft (2-1), having a certain length, being parallel and at the same height; the low-position groove is a groove at a low position of the transmission shaft (2-1), having a certain length, being parallel and at the same height; the high-position groove and the low-position groove are connected via an arc-shaped groove, forming an uninterrupted transmission groove (2-2) on the surface of the transmission shaft (2-1).

8. The endoscope cleaning device according to claim 1, characterized in that: A protective shell (5) is provided at the connection between the sleeve (6) and the handle (1).

9. The endoscope cleaning device according to claim 1, characterized in that: The handle (1) and the main cavity (6-1) of the sleeve (6) are provided with a mirror entrance (3) corresponding to each other.

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