Endoscope image transmission cable connecting structure and endoscope

Abstract

The utility model relates to an endoscope image transmission cable connecting structure and an endoscope. The endoscope image transmission cable connecting structure comprises a first connecting piece, a second connecting piece and a first sealing ring, the first connecting piece is used for being connected to an operating handle of the endoscope, and a slot is formed in the first connecting piece; the second connecting piece is used for being connected to an image transmission cable body of the endoscope, an abutting table is arranged on the outer wall of the second connecting piece, and the second connecting piece is used for being inserted into the inserting groove and locked with the first connecting piece; the first sealing ring is arranged on the second connecting piece in a sleeving mode, and the first sealing ring is used for being clamped by the end face of the first connecting piece and the abutting table. The first sealing ring is located outside the first connecting piece and the second connecting piece all the time, so that the first sealing ring is not affected in the repeated insertion connection process of the first connecting piece and the second connecting piece, and the first sealing ring is not affected when the first connecting piece and the second connecting piece are locked. The end face of the first connecting piece and the abutting table can stably clamp the first sealing ring so as to prevent water.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to an endoscope image transmission cable connection structure and an endoscope. Background Art

[0002] For disposable endoscopes, there are two main ways to connect the signal between the image transmission cable and the operating handle. One is to integrate the image transmission cable and the operating handle together, but this will result in high costs. The other is to connect the image transmission cable and the operating handle by plugging and unplugging. The operating handle is disposable, and the image transmission cable can be used multiple times. However, the plug-in connection between the image transmission cable and the operating handle will reduce the waterproof performance due to repeated plugging and unplugging. Utility Model Content

[0003] Based on this, it is necessary to provide an endoscope image transmission cable connection structure to address the technical problem in the prior art that the plug-in connection between the image transmission cable and the operating handle will result in reduced waterproof performance due to repeated plug-in and pull-out.

[0004] An endoscope image transmission cable connection structure, comprising:

[0005] A first connecting member, used to be connected to an operating handle of the endoscope, wherein the first connecting member is configured with a slot;

[0006] A second connecting member is used to connect to the image transmission cable body of the endoscope, the outer wall of the second connecting member is provided with an abutment platform, the second connecting member is used to be inserted into the slot and locked with the first connecting member; and

[0007] The first sealing ring is sleeved on the second connecting member, and the first sealing ring is configured to be clamped by the end surface of the first connecting member and the abutment platform when the first connecting member and the second connecting member are close to each other for locking, so as to seal the gap between the first connecting member and the second connecting member.

[0008] In one of the embodiments, a first boss is further provided on the end surface of the first connecting member, and the first boss is used to abut against the first sealing ring when the first connecting member and the second connecting member are close to each other for locking.

[0009] In one embodiment, the inner wall of the slot is provided with a first thread, and the outer wall of the second connecting member is provided with a second thread matching the first thread.

[0010] In one embodiment, the second connecting member includes a matching portion and a locking cylinder, the matching portion is used to connect to the image transmission cable body, the locking cylinder is sleeved on the matching portion and can rotate and move relative to the matching portion, and the second thread is arranged on the outer wall of the locking cylinder.

[0011] In one embodiment, the endoscopic image transmission cable connection structure also includes a sealing member, the outer wall of the mating portion is provided with a first limiting groove, the sealing member is sleeved on the mating portion and accommodated in the first limiting groove and abuts against the inner wall of the locking cylinder to seal the gap between the mating portion and the locking cylinder.

[0012] In one embodiment, the sealing member includes at least two second sealing rings, which are spaced apart and respectively accommodated in one of the first limiting grooves, and each of the second sealing rings abuts against the inner wall of the locking cylinder.

[0013] In one embodiment, the second connector also includes a female connector, the mating portion is configured with an installation cavity, the female connector is installed in the installation cavity, and is used to be electrically connected to the image transmission cable body; the first connector includes a fixing seat and a male connector, the fixing seat is used to be connected to the operating handle, the slot is arranged in the fixing seat, the male connector is installed in the slot, and is used to electrically connect to the camera and / or light source of the endoscope; the female connector is plugged into and mated with the male connector.

[0014] In one embodiment, a limit platform is provided on the outer wall of the mating portion, and a first protrusion is provided on the inner wall of the locking cylinder. The first protrusion is located at an end of the limit platform away from the first connecting member, and the first protrusion is used to abut against the limit platform to limit the mating portion from being away from the first connecting member.

[0015] In one embodiment, a limiting protrusion is provided on the outer wall of the matching portion, and the first protrusion is located at one end of the limiting protrusion close to the first connecting member, and the limiting protrusion is used to abut against the first protrusion to limit the locking cylinder from moving away from the matching portion in a direction away from the first connecting member.

[0016] The utility model also provides an endoscope, which can solve at least one of the above technical problems.

[0017] An endoscope comprises the above-mentioned endoscope image transmission cable connection structure.

[0018] Beneficial effects:

[0019] The endoscope image transmission cable connection structure provided by the embodiment of the utility model includes a first connector, a second connector and a first sealing ring; the first connector is used to connect to the operating handle of the endoscope, and the first connector is configured with a slot; the second connector is used to connect to the image transmission cable body of the endoscope, and the outer wall of the second connector is provided with an abutment platform, and the second connector is used to be inserted into the slot and locked with the first connector; the first sealing ring is sleeved on the second connector, and the first sealing ring is configured to be clamped by the end face and the abutment platform of the first connector when the first connector and the second connector are close to each other for locking, so as to seal the gap between the first connector and the second connector. In the present application, when the first connector and the second connector are close to each other for locking, the first sealing ring is always located outside the first connector and the second connector, so that the first sealing ring will not be affected during the repeated insertion of the first connector and the second connector, and then when the first connector and the second connector are locked, the end face and the abutment platform of the first connector can stably clamp the first sealing ring for waterproofing, thereby improving the waterproof performance of the endoscope image transmission cable connection structure.

[0020] The utility model also provides an endoscope, comprising the above-mentioned endoscope image transmission cable connection structure. The endoscope can achieve at least one of the above-mentioned technical effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] FIG. 1 is a cross-sectional view of an endoscope image transmission cable connection structure provided by an embodiment of the present invention.

[0022] FIG. 2 is a schematic diagram of an endoscope image transmission cable connection structure provided by an embodiment of the present invention.

[0023] FIG3 is a cross-sectional view of a first connecting member in an endoscope image transmission cable connection structure provided in an embodiment of the present invention.

[0024] FIG4 is a cross-sectional view of the cooperation between the first sealing ring and the second connecting member in the endoscope image transmission cable connection structure provided in one embodiment of the utility model.

[0025] Figure Number:

[0026] 100-first connector; 110-fixing seat; 111-slot; 112-matching groove; 113-matching cavity; 114-first boss; 115-first thread; 120-connecting male head; 121-clamping convex; 200-second connector; 210-matching part; 211-installation cavity; 212-first limiting groove; 213-limiting convex; 214-limiting platform; 215-end head; 216-second limiting groove; 217-cable part; 220-locking cylinder; 221-second thread; 222-second protruding part; 223-abutting platform; 224-first protruding part; 230-connecting female head; 231-clamping slot; 310-first sealing ring; 320-sealing member; 321-second sealing ring; 330-image transmission cable body. DETAILED DESCRIPTION

[0027] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0028] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0030] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0032] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0033] Referring to Figures 1, 2, 3 and 4, Figure 1 is a cross-sectional view of an endoscope image transmission cable connection structure provided in an embodiment of the present invention. Figure 2 is a schematic diagram of an endoscope image transmission cable connection structure provided in an embodiment of the present invention. Figure 3 is a cross-sectional view of a first connector in an endoscope image transmission cable connection structure provided in an embodiment of the present invention. Figure 4 is a cross-sectional view of a first sealing ring and a second connector in an endoscope image transmission cable connection structure provided in an embodiment of the present invention. An embodiment of the utility model provides an endoscope image transmission cable connection structure, including a first connector 100, a second connector 200 and a first sealing ring 310; the first connector 100 is used to be connected to the operating handle of the endoscope, and the first connector 100 is configured with a slot 111; the second connector 200 is used to be connected to the image transmission cable body 330 of the endoscope, and the outer wall of the second connector 200 is provided with an abutment platform 223, and the second connector 200 is used to be inserted into the slot 111 and locked with the first connector 100; the first sealing ring 310 is sleeved on the second connector 200, and the first sealing ring 310 is configured to be clamped by the end face of the first connector 100 and the abutment platform 223 when the first connector 100 and the second connector 200 are close to each other for locking, so as to seal the gap between the first connector 100 and the second connector 200.

[0034] Specifically, in the present application, when the first connector 100 and the second connector 200 are close to each other for locking, the first sealing ring 310 is always located outside the first connector 100 and the second connector 200, so that during the repeated plugging and unplugging of the first connector 100 and the second connector 200, the position of the first sealing ring 310 will not be offset, and the first sealing ring 310 will not be damaged. Furthermore, when the first connector 100 and the second connector 200 are locked, the end face of the first connector 100 and the abutment 223 can stably clamp the first sealing ring 310 for waterproofing, thereby improving the waterproof performance of the endoscope image transmission cable connection structure.

[0035] Specifically, the outer wall of the second connecting member 200 is provided with a second protrusion 222 arranged around the circumference thereof, and the second protrusion 222 is annular to form an abutment platform 223 .

[0036] 1 and 3 , in one embodiment, a first boss 114 is further provided at the end surface of the first connecting member 100. The first boss 114 is used to abut against the first sealing ring 310 when the first connecting member 100 and the second connecting member 200 are close to each other for locking, thereby increasing the contact area between the first connecting member 100 and the first sealing ring 310 and improving the sealing performance.

[0037] Furthermore, the first boss 114 is arranged circumferentially around the outer wall of the first connector 100, and the first boss 114 is annular and engages with the end surface of the first connector 100. The end surface of the first connector 100 may be provided with an inclined surface or a stepped surface to further increase the contact area with the first sealing ring 310.

[0038] 1 , 3 and 4 , in one embodiment, the inner wall of the insertion slot 111 is provided with a first thread 115 , and the outer wall of the second connecting member 200 is provided with a second thread 221 matching the first thread 115 .

[0039] Specifically, when the second connector 200 is inserted into the slot 111, the second thread 221 is threadedly connected with the first thread 115, so that the first connector 100 and the second connector 200 are stably connected to achieve locking, and at the same time, the abutment platform 223 and the first boss 114 can stably clamp the first sealing ring 310 to improve the reliability of the seal. Among them, the setting of the threaded connection between the first connector 100 and the second connector 200 makes the distance between the first connector 100 and the abutment platform 223 controllable, so that the clamping force of the first sealing ring 310 is controllable, which can avoid assembly errors and improve the reliability of the waterproofing of the endoscope image transmission cable connection structure.

[0040] In other embodiments, the first connecting member 100 and the second connecting member 200 may also be locked by snap-fit ​​or other locking methods.

[0041] Referring to Figures 1 and 4, in one embodiment, the second connecting member 200 includes a matching portion 210 and a locking cylinder 220, the matching portion 210 is used to connect to the image transmission cable body 330, the locking cylinder 220 is sleeved on the matching portion 210, and can rotate and move relative to the matching portion 210, and the second thread 221 is set on the outer wall of the locking cylinder 220.

[0042] Specifically, when the locking cylinder 220 rotates relative to the first connecting member 100 to enable the second thread 221 to cooperate with the first thread 115, since the locking cylinder 220 can rotate relative to the matching portion 210, the matching portion 210 and the locking cylinder 220 can be prevented from rotating synchronously, thereby preventing the image transmission cable body 330 from being entangled.

[0043] Referring to FIG. 1 , FIG. 3 and FIG. 4 , in one embodiment, the endoscope image transmission cable connection structure further includes a sealing member 320, the outer wall of the matching portion 210 is provided with a first limiting groove 212, the sealing member 320 is sleeved on the matching portion 210, and is accommodated in the first limiting groove 212, and abuts against the inner wall of the locking cylinder 220 to seal the gap between the matching portion 210 and the locking cylinder 220, thereby improving the waterproof performance of the endoscope image transmission cable connection structure. Among them, the provision of the first limiting groove 212 can limit the sealing member 320 to prevent the sealing member 320 from deflecting.

[0044] Furthermore, a second limiting groove 216 is provided on the outer wall of the locking cylinder 220 , and the first sealing ring 310 is partially accommodated in the second limiting groove 216 . The second limiting groove 216 is used to limit the position of the first sealing ring 310 to prevent the first sealing ring 310 from moving.

[0045] 1 , 3 and 4 , in one embodiment, the sealing member 320 includes at least two second sealing rings 321 , which are spaced apart and respectively received in a first limiting groove 212 , and each second sealing ring 321 abuts against the inner wall of the locking cylinder 220 .

[0046] Specifically, the second sealing rings 321 are arranged at intervals along the extension direction of the locking cylinder 220, so as to play a double or multi-layer protection role, further improving the sealing between the locking cylinder 220 and the matching portion 210. Preferably, the number of the second sealing rings 321 is two.

[0047] Referring to Fig. 1, Fig. 3 and Fig. 4, in one embodiment, the second connector 200 further includes a female connector 230, the mating portion 210 is configured with an installation cavity 211, the female connector 230 is installed in the installation cavity 211, and is used to be electrically connected to the image transmission cable body 330; the first connector 100 includes a fixing seat 110 and a male connector 120, the fixing seat 110 is used to be connected to the operating handle, the slot 111 is provided in the fixing seat 110, the male connector 120 is installed in the slot 111, and is used to be electrically connected to the camera head and / or light source of the endoscope; the female connector 230 is plugged and matched with the male connector 120. By plugging and matching the female connector 230 with the male connector 120, the image transmission cable body 330 is stably connected to the camera head and / or light source of the endoscope, thereby stably transmitting signals.

[0048] Furthermore, a latching protrusion 121 is provided on the connecting male head 120, and a latching slot 231 is provided on the connecting female head 230. Through the plug-in cooperation between the latching protrusion 121 and the latching slot 231, a stable connection between the connecting female head 230 and the connecting male head 120 is achieved.

[0049] Referring to Figures 1, 3 and 4, in one embodiment, the slot 111 includes a mating groove 112 and a mating cavity 113 that are interconnected, the first thread 115 is disposed on the groove wall of the mating groove 112, the connecting male head 120 is installed in the mating cavity 113, and a step is formed between the mating cavity 113 and the mating groove 112, and the step is used to abut against the mating portion 210, thereby preventing the connecting female head 230 from over-fitting with the connecting male head 120.

[0050] 1 , 3 and 4 , in one embodiment, a limit platform 214 is provided on the outer wall of the mating portion 210, and a first protrusion 224 is provided on the inner wall of the locking cylinder 220. The first protrusion 224 is located at an end of the limit platform 214 away from the first connecting member 100. The first protrusion 224 is used to abut against the limit platform 214 to limit the mating portion 210 from being away from the first connecting member 100.

[0051] Specifically, after the female connector 230 and the male connector 120 are installed in place, the relative position between the mating portion 210 and the fixing seat 110 does not need to be changed by simply moving and rotating the locking cylinder 220, thereby making it possible for the relative position between the female connector 230 and the male connector 120 to remain unchanged.

[0052] In addition, after the locking cylinder 220 is locked with the fixing seat 110, the first protrusion 224 can abut against the limiting platform 214, thereby limiting the mating portion 210 from being moved away from the first connector 100, that is, limiting the female connector 230 from being moved away from the male connector 120, thereby preventing the female connector 230 and the male connector 120 from moving relative to each other, thereby ensuring the reliability of the connection between the female connector 230 and the male connector 120. The setting of the limiting platform 214 can also limit the locking cylinder 220 from moving away from the mating portion 210 in the direction close to the first connector 100.

[0053] Referring to FIGS. 1 , 2 , 3 and 4 , in one embodiment, a limiting protrusion 213 is provided on the outer wall of the matching portion 210, and a first protrusion 224 is located at an end of the limiting protrusion 213 close to the first connecting member 100. The limiting protrusion 213 is used to abut against the first protrusion 224 to limit the locking cylinder 220 from moving away from the matching portion 210 in a direction away from the first connecting member 100. That is, by providing the limiting platform 214 and the limiting protrusion 213, the locking cylinder 220 can be stably limited on the matching portion 210 to prevent the locking cylinder 220 from escaping from the matching portion 210.

[0054] Specifically, the matching portion 210 includes a terminal portion 215 and a cable portion 217 adapted to the image transmission cable body 330. The diameter of the terminal portion 215 is larger than the diameter of the cable portion 217 to form a limiting platform 214. The first limiting groove 212 is provided on the terminal portion 215, and the limiting protrusion 213 is provided on the cable portion 217.

[0055] Referring to Figures 1, 2, 3 and 4, the embodiment of the utility model further provides an endoscope, including the above-mentioned endoscope image transmission cable connection structure. In the present application, when the first connector 100 and the second connector 200 are close to each other for locking, the first sealing ring 310 is always located outside the first connector 100 and the second connector 200, so that during the repeated plugging process of the first connector 100 and the second connector 200, the first sealing ring 310 will not be affected, and then when the first connector 100 and the second connector 200 are locked, the end face of the first connector 100 and the abutment 223 can stably clamp the first sealing ring 310 for waterproofing, thereby improving the waterproof performance of the endoscope image transmission cable connection structure.

[0056] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0057] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. An endoscope image transmission cable connection structure, characterized in that: The endoscope image transmission cable connection structure comprises: A first connecting member, used to be connected to an operating handle of the endoscope, wherein the first connecting member is configured with a slot; A second connecting member is used to connect to the image transmission cable body of the endoscope, the outer wall of the second connecting member is provided with an abutment platform, the second connecting member is used to be inserted into the slot and locked with the first connecting member; and The first sealing ring is sleeved on the second connecting member, and the first sealing ring is configured to be clamped by the end surface of the first connecting member and the abutment platform when the first connecting member and the second connecting member are close to each other for locking, so as to seal the gap between the first connecting member and the second connecting member.

2. The endoscopic image transmission cable connection structure according to claim 1, characterized in that: A first boss is also provided at the end surface of the first connecting member, and the first boss is used to abut against the first sealing ring when the first connecting member and the second connecting member are close to each other for locking.

3. The endoscopic image transmission cable connection structure according to claim 1, characterized in that: The inner wall of the slot is provided with a first thread, and the outer wall of the second connecting member is provided with a second thread matching the first thread.

4. The endoscopic image transmission cable connection structure according to claim 3, characterized in that: The second connecting member includes a matching portion and a locking cylinder, the matching portion is used to connect to the image transmission cable body, the locking cylinder is sleeved on the matching portion and can rotate and move relative to the matching portion, and the second thread is arranged on the outer wall of the locking cylinder.

5. The endoscopic image transmission cable connection structure according to claim 4, characterized in that: The endoscopic image transmission cable connection structure also includes a sealing member, the outer wall of the mating portion is provided with a first limiting groove, the sealing member is sleeved on the mating portion, accommodated in the first limiting groove, and abuts against the inner wall of the locking cylinder to seal the gap between the mating portion and the locking cylinder.

6. The endoscopic image transmission cable connection structure according to claim 5, characterized in that: The sealing member comprises at least two second sealing rings, which are arranged at intervals and respectively accommodated in one of the first limiting grooves, and each of the second sealing rings abuts against the inner wall of the locking cylinder.

7. The endoscopic image transmission cable connection structure according to claim 4, characterized in that: The second connector also includes a female connector, the mating portion is configured with an installation cavity, the female connector is installed in the installation cavity, and is used to be electrically connected to the image transmission cable body; the first connector includes a fixing seat and a male connector, the fixing seat is used to be connected to the operating handle, the slot is arranged in the fixing seat, the male connector is installed in the slot, and is used to electrically connect to the camera and / or light source of the endoscope; the female connector is plugged into and mated with the male connector.

8. The endoscope image transmission cable connection structure according to claim 7, characterized in that: The outer wall of the matching part is provided with a limit platform, and the inner wall of the locking cylinder is provided with a first protrusion, which is located at an end of the limit platform away from the first connecting member, and the first protrusion is used to abut against the limit platform to limit the matching part from being away from the first connecting member.

9. The endoscopic image transmission cable connection structure according to claim 8, characterized in that: The outer wall of the matching portion is provided with a limiting protrusion, the first protrusion is located at one end of the limiting protrusion close to the first connecting member, and the limiting protrusion is used to abut against the first protrusion to limit the locking cylinder from moving away from the matching portion in a direction away from the first connecting member.

10. An endoscope, characterized in that: It includes the endoscopic image transmission cable connection structure as described in any one of claims 1 to 9.

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