Waterproof cap and endoscope

Abstract

The embodiment of the utility model provides a waterproof cap and an endoscope, and relates to the field of endoscopes. The waterproof cap comprises the cap body and the cap cover, the cap cover and the cap body are integrally formed, so that the number of parts is reduced, the assembly difficulty is reduced, and the cap body and the cap cover are integrally formed, so that the use of a sealing ring / sealing ring is reduced, and the sealing reliability is improved; the interior of the cap body is hollow, the inner side wall of the cap body is provided with a retaining ring, the retaining ring is buckled with a socket mounting base of an endoscope, the cap cover is provided with a first annular convex block, the first annular convex block is connected with a leak detection connecting nozzle of a leak detection assembly, and the firmness of connection between the waterproof cap and the leak detection assembly and between the waterproof cap and the endoscope is enhanced by arranging the retaining ring and the first annular convex block; therefore, the sealing reliability is further improved. The embodiment of the utility model further provides an endoscope which comprises the waterproof cap and has all functions of the waterproof cap.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of endoscopes, in particular to a waterproof cap and endoscope. BACKGROUND

[0002] Electronic endoscope as common medical instrument, generally contain for medical staff hold operating part and slender insertion part, the first end of insertion part is provided with camera assembly, operating part is provided with circuit board and numerous components for controlling camera assembly and processing camera assembly signal, operating part is generally provided with the socket connected with circuit board, and the display can be connected through the socket; when using, the insertion part is inserted into the patient cavity and the first end is pushed to the lesion site, and then the condition of the lesion tissue can be observed on the connected display in real time.

[0003] Electronic endoscope is directly contacted with human body when using, therefore waterproof cap assembly is sealed to the socket after using, and then the endoscope is immersed in cleaning liquid for sufficient cleaning, so as to avoid cross infection in use. But the sealing ring / sealing ring is used between the waterproof cap assembly, the number of components is large, assembly is complicated when using, and the sealing reliability of multiple sealing rings is low, liquid is easy to penetrate. SUMMARY

[0004] The utility model provides a waterproof cap and endoscope, which can solve the problems of the existing waterproof cap assembly.

[0005] The embodiment of the utility model can be realized as follows:

[0006] The embodiment of the utility model provides a waterproof cap, which comprises:

[0007] The cap body is hollow inside, and the inner side wall of the cap body is provided with a buckle ring, which is used for buckling with the socket mounting seat of the endoscope;

[0008] The cap cover is integrally formed with the cap body, and a first ring protrusion is arranged on the cap cover and used for connecting with the leak detection connecting mouth of the leak detection assembly.

[0009] Optionally, the buckle ring has a guide slope, which is used for guiding the socket mounting seat into the interior of the cap body.

[0010] Optionally, the buckle ring has a limiting plane, which is perpendicular to the movement direction when the cap body is buckled with the socket mounting seat.

[0011] Optionally, the inner side surface of the cap body is interference-fitted with the socket mounting seat; and / or, the buckle ring is interference-fitted with the socket mounting seat.

[0012] Optionally, a second ring protrusion is arranged on the cap cover, the second ring protrusion faces the interior of the cap body, and the second ring protrusion is used for connecting with the fastener of the leak detection assembly.

[0013] Optionally, the leak detection connector is detachably connected with the fastener, and the first ring block is clamped between the fastener and the leak detection connector.

[0014] Optionally, the leak detection connector has an embedding cavity, and the first ring block is inserted into the embedding cavity.

[0015] Optionally, the outer part of the cap body is further provided with a shape retaining member for retaining the shape of the cap body.

[0016] Optionally, the shape retaining member is a ring belt, and the outer wall of the cap body is provided with a ring groove, and the ring belt is sleeved in the ring groove.

[0017] The embodiment of the utility model further provides an endoscope, comprising the waterproof cap.

[0018] The embodiment of the utility model has the advantages of:

[0019] The waterproof cap comprises a cap body and a cap cover, the cap cover is integrally formed with the cap body, thereby reducing the number of components, facilitating reduction of assembly difficulty, and the integrally formed cap body and cap cover facilitate reduction of use of sealing rings, increase of sealing reliability; the cap body is hollow, the inner side wall of the cap body is provided with a buckle ring, the buckle ring is buckled with a socket mounting seat of the endoscope, the cap cover is provided with a first ring block, the first ring block is connected with a leak detection connector of a leak detection assembly during leak detection, the buckle ring and the first ring block enhance the firmness of connection of the waterproof cap with the leak detection assembly and the endoscope, thereby further improving the sealing reliability.

[0020] The endoscope comprises the waterproof cap, has all the functions of the waterproof cap, and can be connected with a leak detector through the leak detection assembly on the waterproof cap to perform leak detection on the endoscope. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and should not be regarded as limiting the scope, and for those skilled in the art, other related drawings can be obtained without creative labor.

[0022] Figure 1 It is a perspective structural schematic view of the waterproof cap provided in the embodiments of the utility model;

[0023] Figure 2 It is a sectional view schematic view of the waterproof cap provided in the embodiments of the utility model;

[0024] Figure 3The waterproof cap provided in the embodiment of the utility model is installed between the socket mounting seat and the leakage detection assembly.

[0025] Figure 4 For Figure 3 The cross-sectional view of the three-dimensional device shown in the embodiment of the utility model is provided.

[0026] Figure 5 The cross-sectional view of the leakage detection connecting mouth and the leakage detection sleeve provided in the embodiment of the utility model is provided.

[0027] Figure 6 The three-dimensional view of the leakage detection connecting mouth and the fastener connection provided in the embodiment of the utility model is provided.

[0028] Figure 7 The three-dimensional view of the leakage detection connecting mouth provided in the embodiment of the utility model is provided.

[0029] Figure 8 The three-dimensional view of the leakage detection sleeve provided in the embodiment of the utility model is provided.

[0030] Figure 9 The cross-sectional view of the leakage detection connecting mouth and the spring limiting seat provided in the embodiment of the utility model is provided.

[0031] Figure 10 The structure view of the spring limiting seat and the spring provided in the embodiment of the utility model is provided.

[0032] Figure 11 The structure view of the top mouth piece provided in the embodiment of the utility model is provided.

[0033] Icon: 1-cap body; 10-clip ring; 101-guiding inclined surface; 102-limiting plane; 11-annular groove; 2-cap; 20-first ring block; 21-second ring block; 3-socket mounting seat; 4-leakage detection assembly; 40-leakage detection connecting mouth; 401-embedded cavity; 402-inclined blocking surface; 403-reference sliding rod; 41-fastener; 42-spring limiting seat; 421-lower air hole; 43-spring; 44-top rod; 45-leakage detection sleeve; 451-reference sliding groove; 46-top mouth piece; 461-upper air hole; 47-first sealing piece; 48-second sealing piece; 49-third sealing piece; 5-annular belt. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0035] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0036] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0037] In the description of the present application, it should be noted that if the terms "upper", "lower", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship of the product of the present application when it is usually placed, which is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0038] In addition, if the terms "first", "second" and the like appear, they are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0039] The term "comprise", "include" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of additional identical elements in the process, method, article or device comprising the element.

[0040] Unless otherwise defined, the terms of "arrangement", "connection" and the like are to be construed in a broad sense and for example, "connection" can be fixed connection, detachable connection or integral connection; can be mechanical connection, electrical connection; can be direct connection or indirect connection through intermediate medium; can be internal connection of two elements. The specific meaning of the above terms in the utility model can be understood according to the specific circumstances by those skilled in the art.

[0041] It should be noted that the features in the embodiments of the utility model can be combined with each other without conflict.

[0042] The embodiment of the utility model provides a waterproof cap and endoscope, can solve the problem of complex assembly and low reliability of sealing caused by too many parts of the existing endoscope waterproof cover, which will be described in detail.

[0043] Please refer to Figures 1 to 5 The waterproof cap of the embodiment of the utility model includes cap body 1 and cap cover 2, the inside of cap body 1 is hollow, the inner side wall of cap body 1 is provided with buckle ring 10, buckle ring 10 is buckled with the socket mounting seat 3 of endoscope, first ring convex block 20 is arranged on cap cover 2, first ring convex block 20 is connected with leak detection connecting mouth 40 of leak detection assembly 4 when leak detection, cap cover 2 and cap body 1 are integrally formed;The cap cover 2 and cap body 1 of integrated molding reduce the number of components, overcome the defects of the existing waterproof cover assembly needing multiple components assembly, thereby reducing assembly difficulty and improving assembly efficiency, the cap cover 2 and cap body 1 of integrated type can also reduce the number of sealing ring / sealing ring, increase the reliability of sealing, avoid liquid infiltration.At the same time, the connection of first ring convex block 20 and leak detection connecting mouth 40 increases the stability and firmness of waterproof cap connection when leak detection, further improves the reliability of sealing.

[0044] Specifically, cap body 1 is circular tubular, hollow and penetrates to both ends, cap cover 2 is located at one end of cap body 1, cap cover 2 is circular plate and through hole is formed in the middle of circular plate, leak detection assembly 4 is installed through the through hole, the size of through hole is less than the hollow size of cap body 1.Cap cover 2 is provided with first ring convex block 20 and second ring convex block 21, first ring convex block 20 and second ring convex block 21 are connected with leak detection assembly 4 in common.

[0045] The inner side wall of the cap body 1 is provided with a buckle ring 10, which surrounds the circumference of the cap body 1 and extends to the center of the cap body 1. The buckle ring 10 is buckled with the socket mounting seat 3 of the endoscope. The buckle ring 10 has a guide slope 101 for guiding the socket mounting seat 3 into the hollow interior of the cap body 1. In this embodiment, the angle between the guide slope 101 and the radial plane of the cap body 1 is 15-75°, for example, 45° or 60°, which is convenient for guiding and processing. Of course, the outer wall of the socket mounting seat 3 is provided with a buckle groove matched with the buckle ring 10, and the buckle groove is also provided with a slope matched with the guide slope 101 of the buckle ring 10, so that the buckle groove can be well fitted after assembly.

[0046] When the cap body 1 is buckled with the socket mounting seat 3, the stability and firmness of the connection between the cap body 1 and the socket mounting seat 3 need to be maintained. Therefore, one side surface of the buckle ring 10 is provided as a horizontal plane, which is a limiting plane 102 perpendicular to the moving direction of the cap body 1 and the socket mounting seat 3 when they are buckled. Correspondingly, the socket mounting seat 3 is also provided with a plane corresponding to the limiting plane 102. When the cap body 1 is buckled with the socket mounting seat 3, the two cannot move in the axial direction. When the cap body 1 is buckled with the socket mounting seat 3, the guide slope 101 of the buckle ring 10 only needs to be directed towards the moving direction of the cap body 1 and pressed to complete the buckling, which is simple to operate and reliable in connection.

[0047] In other embodiments, the number of buckle rings 10 can be two or more. When the number of buckle rings 10 is two or more, the buckle rings 10 are spaced apart from each other, which can increase the strength of the connection between the cap body 1 and the socket mounting seat 3 and improve the sealing performance.

[0048] The cap body 1 will elastically deform under the action of external force. When the cap body 1 is inserted into the socket mounting seat 3, the inner side of the cap body 1 interferes with the socket mounting seat 3, and / or the buckle ring 10 interferes with the socket mounting seat 3. In summary, the cap body 1 and the socket mounting seat 3 are tightly fitted by interference, which ensures the reliability and firmness of the assembly, prevents the socket mounting seat 3 from separating from the cap body 1 during use, and also ensures the sealing performance.

[0049] In this embodiment, the waterproof cap is made of silica gel material. Since silica gel has a certain elasticity, a shaping member is arranged outside the cap body 1 to maintain the shape of the cap body 1. The shaping member maintains the shape and stability of the waterproof cap and prevents deformation during use. As an embodiment, the shaping member is an annular band 5 made of hard material. The outer wall of the cap body 1 is provided with an annular groove 11, and the annular band 5 is sleeved in the annular groove 11 to tightly clamp the cap body 1. The annular band 5 can be made of metal materials such as aluminum and copper, or low-elastic or non-elastic plastic materials.

[0050] With reference to the foregoing Figure 2 , the cap 2 is provided with a first ring protrusion 20 and a second ring protrusion 21, the first ring protrusion 20 is located on the outer side of the cap 2 and extends along the axial direction of the cap body 1, the second ring protrusion 21 is located on the inner side of the cap 2 and also extends along the axial direction of the cap body 1, and a gap is formed between the second ring protrusion 21 and the cap body 1.

[0051] With reference to the foregoing Figures 5 to 8 , the leak detection assembly 4 comprises a leak detection connector 40, a fastener 41 and a leak detection sleeve 45, the leak detection connector 40 has an embedding cavity 401 on the outer side, the embedding cavity 401 is a circumferential groove along the leak detection connector 40, the first ring protrusion 20 is inserted into the embedding cavity 401, so as to connect the cap 2 and the leak detection connector 40 together and limit the radial movement of the cap 2; the outer wall of the leak detection connector 40 is also provided with external threads, the fastener 41 is a nut with a groove, the nut is screwed with the leak detection connector 40, the outer edge of the nut is clamped in the gap, and the second ring protrusion 21 is inserted into the groove of the nut, so as to realize that the nut connects the waterproof cap and the leak detection connector 40 together at the same time.

[0052] The leak detection sleeve 45 is sleeved on the outer side of the leak detection connector 40, and the end face of the leak detection sleeve 45 is opposite to the surface of the cap 2, the leak detection sleeve 45 is provided with a reference sliding groove 451, the opening of the reference sliding groove 451 penetrates the end edge of the leak detection sleeve 45, and the leak detection connector 40 is connected with a reference sliding rod 403, when it is needed to connect the leak detection sleeve 45 and the leak detection connector 40 together, the reference sliding rod 403 is aligned with the opening of the reference sliding groove 451 and slides along the reference sliding groove 451, so as to clamp the leak detection sleeve 45 and the leak detection connector 40 together. Of course, in order to ensure the consistency of the position of the leak detection connector 40 inside the leak detection sleeve 45, the outer wall surface of the leak detection connector 40 is provided with an inclined stop surface 402, and the inner wall of the leak detection sleeve 45 is also provided with a wedge surface corresponding to the inclined stop surface 402, and the wedge surface corresponds to the inclined stop surface 402. Alternatively, the outer shape of the leak detection connector 40 is in the shape of a tower, which is conducive to the plug-in installation with the leak detection sleeve 45.

[0053] The leak detection sleeve 45 has a leak detection connecting rod, the inside of the leak detection connecting rod is provided with an axle hole, the axle hole communicates with the hollow inside of the leak detection sleeve 45, and the outer wall surface of the leak detection connecting rod is provided with an inverted cone, so as to be firmly connected when connected with the gas conduit and not to be loosened on the leak detection connecting rod.

[0054] With reference to the foregoing Figures 9 to 11 and in combination with Figure 5The leak detection assembly 4 further comprises a spring limiting seat 42, a spring 43, a top rod 44 and a top nozzle piece 46. An axial hole is formed in the axial direction of the leak detection connecting nozzle 40, the axial hole penetrates through both ends of the leak detection connecting nozzle 40, the top rod 44 is arranged in the axial hole, the upper part of the top rod 44 has a radial protruding stop block, the stop block can be in contact with the top side wall surface of the leak detection connecting nozzle 40, and the stop block can limit the position. The stop block of the top rod 44 is provided with a first sealing piece 47, and the first sealing piece 47 can seal the lower part and the upper part of the stop block.

[0055] The outer wall of the spring limiting seat 42 is provided with a thread, the inner wall of the leak detection connecting nozzle 40 is provided with an internal thread, the spring limiting seat 42 and the leak detection connecting nozzle 40 are connected in a threaded mode, of course, the spring limiting seat 42 is provided with a lower air hole 421 which is in communication with the inside of the leak detection connecting nozzle 40 and the socket mounting seat 3. The spring 43 is arranged between the stop block and the spring limiting seat 42, and the spring 43 is arranged outside the top rod 44.

[0056] The top nozzle piece 46 is arranged at the top of the leak detection connecting nozzle 40, the middle part of the top nozzle piece 46 has a top block, the top block is in contact with the top end surface of the top rod 44, and the top nozzle piece 46 is provided with an upper air hole 461. The gas filled from the axial hole of the leak detection connecting rod can enter the chamber between the leak detection connecting nozzle 40 and the leak detection sleeve 45 from the upper air hole 461, with the increase of the amount of the filled gas, the top block of the top nozzle piece 46 can push the top rod 44 to move downward, the spring 43 is compressed, and the gas can enter the inside of the socket mounting seat 3 from the upper part of the axial hole of the leak detection connecting nozzle 40 and the lower air hole 421 of the spring limiting seat 42; when the gas is not filled any more, the spring 43 rebounds to push the top rod 44 back and realizes sealing again through the first sealing piece 47, and the upward and downward movement of the top rod 44 realizes the functions of sealing and connecting the gas.

[0057] It is worth mentioning that the leak detection sleeve 45 and the leak detection connecting nozzle 40 are further provided with a second sealing piece 48 and a third sealing piece 49 respectively. The second sealing piece 48 is located at the upper part of the inclined stop surface 402 of the leak detection connecting nozzle 40 and can prevent the gas in the inside of the leak detection sleeve 45 from leaking; the third sealing piece 49 is located at the lower part of the inclined stop surface 402 of the leak detection connecting nozzle 40 and can prevent the liquid outside from entering the inside of the leak detection connecting nozzle 40. Optionally, the first sealing piece 47, the second sealing piece 48 and the third sealing piece 49 can all be O-shaped sealing rings.

[0058] Optionally, the outer wall of the leak detection sleeve 45 is further provided with anti-skid vertical lines, and the anti-skid vertical lines can prevent the leak detection sleeve 45 from slipping when being screwed.

[0059] The waterproof cap has at least the following beneficial effects:

[0060] (1) the cap 2 is integrally formed with the cap body 1, the number of components is reduced, the assembly difficulty is reduced, and the sealing reliability is also increased.

[0061] (2) the inner side wall of the cap body 1 is provided with the buckle 10, the buckle 10 plays the sealing role and also plays the connecting and fixing role.

[0062] (3) the first ring protrusion 20 and the second ring protrusion 21 are arranged on the cap 2, the waterproof cap is further enhanced in the firmness of being connected with the leak detection connecting mouth 40 and the fastener 41 through the first ring protrusion 20 and the second ring protrusion 21, and the sealing property is improved.

[0063] (4) after being connected with the leak detection assembly 4, the waterproof cap can be used as a connecting piece for endoscope leak detection test.

[0064] The embodiment of the utility model further provides a kind of endoscope, including above-mentioned waterproof cap, still include the handle shell of endoscope, socket mounting seat 3 is provided on handle shell, and various components can be installed circuit board in handle shell interior, and this is not repeated.

[0065] The above is just a specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be limited to the protection scope of the claims.

Claims

1. A waterproof cap characterized by comprising: The utility model relates to a waterproof cap, comprising: a cap body (1), the inside of the cap body (1) is hollow, the inner side wall of the cap body (1) is provided with a buckle ring (10) for buckling with the socket mounting seat (3) of a endoscope; a cap cover (2) integrally formed with the cap body (1), the cap cover (2) is provided with a first ring protrusion (20) for connecting with the leak detection connecting nozzle (40) of a leak detection assembly (4).

2. The waterproof hood according to claim 1, characterized in that, The buckle ring (10) has a guide slope (101) for guiding the socket mounting seat (3) into the inside of the cap body (1).

3. The waterproof cap of claim 1, wherein, The buckle ring (10) has a limiting plane (102) perpendicular to the moving direction when the cap body (1) is buckled with the socket mounting seat (3).

4. The waterproof hood of claim 1, wherein, The inner side of the cap body (1) is interference-fitted with the socket mounting seat (3);And / or, the buckle ring (10) is interference-fitted with the socket mounting seat (3).

5. The waterproof hood of claim 1, wherein, The cap cover (2) is provided with a second ring protrusion (21) towards the inside of the cap body (1), and the second ring protrusion (21) is used for connecting with the fastener (41) of the leak detection assembly (4).

6. The waterproof hood of claim 5, wherein, The leak detection connecting nozzle (40) is detachably connected with the fastener (41), and the second ring protrusion (21) is clamped between the fastener (41) and the leak detection connecting nozzle (40).

7. The waterproof hood of claim 1, wherein, The leak detection connecting nozzle (40) has an embedding cavity (401), and the first ring protrusion (20) is inserted into the embedding cavity (401).

8. The waterproof hood according to any one of claims 1 to 7, characterized in that The outside of the cap body (1) is further provided with a shape retaining member for retaining the shape of the cap body (1) itself.

9. The waterproof cap of claim 8, wherein, The shape retaining member is an annular band (5), and the outer wall of the cap body (1) is provided with an annular groove (11), and the annular band (5) is sleeved in the annular groove (11).

10. An endoscope characterized by comprising: The utility model relates to a waterproof cap, comprising: a cap body (1), the inside of the cap body (1) is hollow, the inner side wall of the cap body (1) is provided with a buckle ring (10) for buckling with the socket mounting seat (3) of a endoscope; a cap cover (2) integrally formed with the cap body (1), the cap cover (2) is provided with a first ring protrusion (20) for connecting with the leak detection connecting nozzle (40) of a leak detection assembly (4). The buckle ring (10) has a guide slope (101) for guiding the socket mounting seat (3) into the inside of the cap body (1). The buckle ring (10) has a limiting plane (102) perpendicular to the moving direction when the cap body (1) is buckled with the socket mounting seat (3). The inner side of the cap body (1) is interference-fitted with the socket mounting seat (3);And / or, the buckle ring (10) is interference-fitted with the socket mounting seat (3). The cap cover (2) is provided with a second ring protrusion (21) towards the inside of the cap body (1), and the second ring protrusion (21) is used for connecting with the fastener (41) of the leak detection assembly (4). The leak detection connecting nozzle (40) is detachably connected with the fastener (41), and the second ring protrusion (21) is clamped between the fastener (41) and the leak detection connecting nozzle (40). The leak detection connecting nozzle (40) has an embedding cavity (401), and the first ring protrusion (20) is inserted into the embedding cavity (401). The outside of the cap body (1) is further provided with a shape retaining member for retaining the shape of the cap body (1) itself. The shape retaining member is an annular band (5), and the outer wall of the cap body (1) is provided with an annular groove (11), and the annular band (5) is sleeved in the annular groove (11). The utility model relates to a waterproof cap, comprising:

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