Endoscope head end connecting structure

Abstract

The utility model discloses an endoscope head end connecting structure which comprises a head end base, the top of the head end base is connected with an endoscope head through a detachable connecting piece, the bottom of the head end base is communicated with a connecting pipe, the surface of the connecting pipe is sleeved with a pipeline, and the bottom of the head end base is provided with a crimping assembly used for conducting crimping on the pipeline. Due to the arrangement of the detachable connecting piece and the compression joint assembly, when the endoscope lens or a pipeline is damaged or needs to be cleaned, the endoscope lens or the pipeline can be conveniently and rapidly replaced, the maintenance cost is greatly reduced, the maintenance time is greatly shortened, meanwhile, the endoscope lens can be conveniently cleaned and maintained, and the service life of the endoscope lens is prolonged. And meanwhile, the limitation of the crimping assembly is removed, so that the pipeline can be easily detached from the connecting pipe, and the maintainability and the service life of the equipment are improved and prolonged due to the characteristic of easiness in maintenance and replacement.

Description

TECHNICAL FIELD

[0001] The utility model relates to endoscope head end connecting structure technical field, specifically is an endoscope head end connecting structure. BACKGROUND

[0002] An endoscope is a detection instrument integrating traditional optics, human engineering, precision machinery, modern electronics, mathematics and software. It is very useful for doctors because it can show lesions that X-rays cannot.

[0003] At present, the Chinese patent with publication number discloses a disposable electronic cystoscope catheter, which comprises an operating part and a cystoscope catheter in sealing connection with the operating part, the operating part is internally provided with a containing cavity, the cystoscope catheter is a hollow structure, the cystoscope catheter comprises a bending part, a bending part and an insertion part connected in sequence, the insertion part is in communication with the containing cavity of the operating part, a T-shaped valve, a suction valve and a negative pressure suction interface in communication with the suction valve are arranged on the operating part, the negative pressure suction interface is used for connecting a suction device, the suction valve is connected with the T-shaped valve through a pipeline, and the T-shaped valve is in communication with the insertion part through a pipeline

[0004] The disposable electronic cystoscope catheter has the problems of inconvenient disassembly of the head end part from the endoscope pipeline, great difficulty in disassembly when the pipeline or the endoscope head mounted on the head end part of the endoscope needs to be replaced, and inability to meet the requirement of quick disassembly. UTILITY MODEL CONTENT

[0005] The utility model aims at providing an endoscope head end connecting structure to solve the problems of inconvenient disassembly of the head end part from the endoscope pipeline, great difficulty in disassembly when the pipeline or the endoscope head mounted on the head end part of the endoscope needs to be replaced, and inability to meet the requirement of quick disassembly.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] An endoscope head end connecting structure comprises a head end seat, a head end seat top is connected with an endoscope head through a detachable connecting piece, the bottom of the head end seat is communicated with a connecting pipe, the surface of the connecting pipe is sleeved with a pipeline, the bottom of the head end seat is provided with a crimping assembly for crimping the pipeline, and a wire channel is formed in the middle part of the head end seat.

[0008] Preferably, the detachable connecting piece comprises a threaded ring fixedly installed at the head end seat, the endoscope head is placed at the opening of the threaded ring, and an internally threaded cover is threadedly connected to the surface of the threaded ring and used for pressing the endoscope head.

[0009] Preferably, the compression assembly comprises a compression ring located below the head end seat and sleeved on the surface of the connecting pipe, two connecting rods are fixedly connected to the top of the two sides of the compression ring, circular grooves are formed in the bottom of the two sides of the head end seat and correspond to the positions of the corresponding connecting rods, and a pushing assembly is arranged in the inner cavity of the two circular grooves and used for pushing the connecting rods downward to drive the compression ring to be compressed on the surface of the pipe.

[0010] Preferably, the pushing assembly comprises fixing rings fixedly sleeved on the surfaces of the connecting rods, springs are sleeved on the surfaces of the connecting rods located in the two circular grooves, respectively, the two ends of the two springs are in contact with the top inner wall of the circular groove and the top surface of the fixing ring, respectively, sealing rings are fixedly connected to the bottom of the two fixing rings, the two sealing rings are sleeved on the surfaces of the corresponding connecting rods, respectively, and the outer circumferential surface of the two sealing rings is in contact with the inner wall of the corresponding circular groove, and a compression assembly is arranged above the head end seat and used for further pushing the compression ring downward to improve the compression effect on the pipe.

[0011] Preferably, the compression assembly comprises a connecting ring arranged above the head end seat, one end of each of the two connecting rods penetrates through the head end seat upward and is fixedly connected to the bottom of the corresponding side of the connecting ring, and the top of the connecting ring is in contact with the bottom surface of the internally threaded cover.

[0012] Preferably, the top surface of the connecting ring is rotatably connected with a plurality of groups of balls, and the plurality of groups of balls are arranged in an annular array.

[0013] Preferably, a plurality of groups of anti-skid protrusions are fixedly arranged on the surface of the connecting pipe, and the plurality of groups of anti-skid protrusions are vertically and equidistantly arranged from bottom to top.

[0014] Preferably, a bevel is formed in the lower inner edge of the compression ring.

[0015] Preferably, a plurality of groups of flow guide holes are formed in the surface of the head end seat, the plurality of groups of flow guide holes are arranged in an annular array, and the inner cavity of the flow guide hole is in communication with the inner cavity of the wire channel.

[0016] Preferably, a hydrophobic layer is sprayed on the inner wall of the wire channel.

[0017] Compared with the prior art, the endoscope head compression device has the following beneficial effects:

[0018] 1. The utility model discloses a detachable connecting piece and the setting of compression assembly, when the endoscope lens or pipeline appears damage or needs cleaning, can conveniently and quickly replace, greatly reduced maintenance cost and time, also convenient to the cleaning and maintenance of endoscope lens, and the limitation of compression assembly is relieved, can easily detach the pipeline from the connecting pipe, the characteristics of easy maintenance and replacement improve the maintainability and service life of equipment.

[0019] 2. The utility model discloses the setting of push assembly, loosen compression ring, and the elastic potential energy of spring is released, and the compression ring is moved and pushed down, thereby being compressed on the surface of pipeline, and the pipeline is preliminarily compressed, prevents the pipeline from slipping or falling off before being completely fixed, and the sealing ring is sleeved on the surface of connecting rod, and the outer circular surface contacts the inner wall of circular groove, forms good sealing structure, prevents blood water from entering the circular groove, prevents blood water from adhering to the surface of connecting rod, causes the situation of the sliding of connecting rod to appear.

[0020] 3. The utility model discloses the setting of compression assembly, when the internal thread cover is tightened, the connecting ring can evenly disperse the pressure of internal thread cover to the connecting rod on both sides, so that the compression ring can compress the pipeline with balanced force, thereby further improving the compression effect of compression ring on the pipeline. DRAWINGS

[0021] Figure 1 It is the structure schematic drawing of endoscope lens end connecting structure of the utility model,

[0022] Figure 2 It is the structure schematic drawing of screw ring of the utility model,

[0023] Figure 3 It is the structure schematic drawing of head end seat of the utility model,

[0024] Figure 4 It is the structure schematic drawing of compression ring of the utility model.

[0025] In the drawing: 100, head end seat, 101, flow guide hole, 102, endoscope lens, 103, pipeline, 104, connecting pipe, 105, anti -skid boss, 106, circular groove, 107, water repellent layer, 108, wire channel, 200, internal thread cover, 201, screw ring, 300, compression ring, 301, connecting rod, 302, connecting ring, 303, ball, 304, countersunk bolt, 306, bevel, 400, sealing ring, 401, fixed ring, 402, spring. DETAILED DESCRIPTION

[0026] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] Please refer to Figures 1-4 The embodiment provides an endoscope head end connecting structure, which comprises a head end seat 100, an endoscope head 102 connected to the top of the head end seat 100 through a detachable connecting piece, a connecting pipe 104 communicated with the bottom of the head end seat 100, a pipeline 103 sleeved on the surface of the connecting pipe 104, a crimping assembly arranged on the bottom of the head end seat 100 and used for crimping the pipeline 103, and a wire channel 108 arranged in the middle part of the head end seat 100. When the endoscope head 102 or the pipeline 103 is damaged or needs to be cleaned, the endoscope head 102 or the pipeline 103 can be conveniently and quickly replaced through the arrangement of the detachable connecting piece and the crimping assembly, so that the maintenance cost and time are greatly reduced, meanwhile, the endoscope head 102 can be conveniently cleaned and maintained, and the pipeline 103 can be conveniently detached from the connecting pipe 104 under the limitation of the crimping assembly, so that the maintainability and service life of the equipment are improved.

[0028] Further, the detachable connecting piece comprises a threaded ring 201 fixedly installed at the mouth of the head end seat 100, the endoscope head 102 is placed at the mouth of the threaded ring 201, and an internal thread cover 200 used for pressing the endoscope head 102 is threadedly connected to the surface of the threaded ring 201. Through the arrangement of the detachable connecting piece, the internal thread cover 200 can uniformly apply pressure on the endoscope head 102 in the process of screwing, so that the connection between the endoscope head 102 and the head end seat 100 is tight and firm, the replacement and maintenance of the endoscope head 102 can be quickly and conveniently realized without special tools or complex skills, and the working efficiency is improved.

[0029] Further, the crimping assembly comprises a crimping ring 300 located below the head seat 100 and sleeved on the surface of the connecting pipe 104, both sides of the top of the crimping ring 300 are fixedly connected with connecting rods 301, the bottom of both sides of the head seat 100 is provided with circular grooves 106 corresponding to the connecting rods 301, the inner cavities of the two groups of circular grooves 106 are provided with a pushing assembly for pushing the connecting rods 301 downward to drive the crimping ring 300 to be crimped on the surface of the pipeline 103, the surfaces of the connecting rods 301 inside the two groups of circular grooves 106 are sleeved with springs 402 respectively, both ends of the two groups of springs 402 respectively contact the top inner wall of the circular groove 106 and the top surface of the fixed ring 401, the bottoms of the two groups of fixed rings 401 are fixedly connected with sealing rings 400, the surfaces of the two groups of connecting rods 301 are sleeved with the two groups of sealing rings 400 respectively, the outer circumferential surfaces of the two groups of sealing rings 400 respectively contact the inner walls of the corresponding side circular grooves 106, the upper part of the head seat 100 is provided with a compression assembly for further pushing the crimping ring 300 downward to improve the crimping effect on the pipeline 103, through the setting of the pushing assembly, the crimping ring 300 is loosened, the elastic potential energy of the spring 402 is released, the crimping ring 300 is pushed downward to move, so as to be crimped on the surface of the pipeline 103, the pipeline 103 is preliminarily compressed, and sliding or falling of the pipeline 103 before complete fixation is prevented, at the same time, the sealing ring 400 is sleeved on the surface of the connecting rod 301, and the outer circumferential surface contacts the inner wall of the circular groove 106, so that a good sealing structure is formed, blood water is prevented from entering the circular groove 106, and blood water is prevented from adhering to the surface of the connecting rod 301 to cause the connecting rod 301 to slide.

[0030] It is worth noting that the compression assembly comprises a connecting ring 302 arranged above the head seat 100, one end of the two groups of connecting rods 301 penetrates the head seat 100 upward and is connected to the bottom of the corresponding side of the connecting ring 302, the top of both sides of the connecting ring 302 is inserted with a countersunk head bolt 304, one end of the two groups of countersunk head bolts 304 penetrates the surface of the corresponding side of the connecting ring 302 downward and is threadedly connected to the top surface of the corresponding side connecting rod 301, the top of the connecting ring 302 contacts the bottom surface of the inner threaded cover 200, through the setting of the compression assembly, when the inner threaded cover 200 is tightened, the connecting ring 302 can uniformly disperse the pressure applied by the inner threaded cover 200 to the connecting rods 301 on both sides, so that the crimping ring 300 can crimp the pipeline 103 with balanced force, thereby further improving the crimping effect of the crimping ring 300 on the pipeline 103.

[0031] Further, the top surface of the connecting ring 302 is rotationally connected with a plurality of groups of balls 303, the plurality of groups of balls 303 are arranged in a ring array, through the setting of the balls 303, the relative movement resistance between the inner threaded cover 200 and the connecting ring 302 is greatly reduced.

[0032] Further, the surface of the connecting pipe 104 is fixedly provided with a plurality of groups of anti-skid protrusions 105, which are vertically and equidistantly arranged from bottom to top. Through the arrangement of the anti-skid protrusions 105, the anti-skid protrusions 105 can increase the friction between the pipeline 103 and the connecting pipe 104, effectively prevent the pipeline 103 from sliding or falling off due to external force during use, and improve the stability and reliability of the connection of the pipeline 103.

[0033] Preferably, the lower inner edge of the crimping ring 300 is provided with a groove 306. Through the arrangement of the groove 306, the groove 306 provided on the lower inner edge of the crimping ring 300 plays a guiding and transition role when crimping the pipeline 103. At the same time, the groove 306 can make the crimping ring 300 more smoothly contact with the pipeline 103, reducing the resistance and jamming phenomenon in the crimping process.

[0034] It is worth noting that the surface of the head seat 100 is provided with a plurality of groups of flow guide holes 101, which are arranged in a ring array. The inner cavity of the flow guide hole 101 is communicated with the inner cavity of the guide wire channel 108. Through the arrangement of the flow guide hole 101, the blood water gathered near the endoscope head 102 can be guided into the guide wire channel 108, which helps to improve the observation effect of the endoscope head 102.

[0035] Further, the inner wall of the guide wire channel 108 is sprayed with a hydrophobic layer 107, which is formed by one or a combination of polytetrafluoroethylene, organosilane, fluorocarbon paint, etc. Through the arrangement of the hydrophobic layer 107, the hydrophobic layer 107 sprayed on the inner wall of the guide wire channel 108 can have good insulation performance and can quickly flow into the catheter, preventing blood water from adhering to the inner wall of the guide wire channel 108, and facilitating the user to clean the guide wire channel 108.

[0036] Working principle;

[0037] First, pull the crimping ring 300 upwards, the fixed ring 401 on both sides of the top of the crimping ring 300 slides upwards along the circular groove 106 and compresses the spring 402 in the circular groove 106, then the catheter is sleeved on the surface of the connecting pipe 104, while ensuring that the connecting part of the catheter and the connecting pipe 104 is in full contact without obvious wrinkles or distortion, and the plurality of groups of anti-skid protrusions 105 fixedly arranged on the surface of the connecting pipe 104 from bottom to top vertically and equidistantly can increase the friction between the pipeline 103 and the connecting pipe 104, further prevent the pipeline 103 from sliding or falling off, then release the crimping ring 300, the elastic potential energy of the spring 402 is released, pushing the crimping ring 300 to move downwards, thereby crimping on the surface of the pipeline 103, and preliminarily compressing the pipeline 103;

[0038] Subsequently, and the line through the wire channel 108 with the endoscope head 102 electrically connected together, then the endoscope head 102 placed in the head end seat 100 mouth of the threaded ring 201, ensure the endoscope head 102 position accurate and smooth, take the inner threaded cover 200, screw in the surface of the threaded ring 201, with the inner threaded cover 200 gradually tightened, it will compress the endoscope head 102, so that it is firmly fixed on the head end seat 100;

[0039] When the endoscope head 102 is installed, the bottom surface of the inner threaded cover 200 will contact the top of the connecting ring 302, with the inner threaded cover 200 continues to tighten, the connecting ring 302 will be under the pressure, because the two groups of connecting rod 301 one end upward through the head end seat 100 and fixedly connected to the corresponding side bottom of the connecting ring 302, so the connecting ring 302 will bring the connecting rod 301 down, the connecting rod 301 down, the fixed ring 401 will compress the spring 402 further deformation, while bringing the crimping ring 300 down, so that the crimping ring 300 crimped on the surface of the pipeline 103, the bevel 306 designed on the inner edge below the crimping ring 300 helps to better guide and fit the pipeline 103 when crimping, so that the crimping is more closely, stable;

[0040] At the same time, the top surface of the connecting ring 302 is rotatably connected with several groups of ball 303 arranged in a ring array, when the inner threaded cover 200 and the connecting ring 302 contact and relative motion, the ball 303 can reduce the friction resistance, so that the tightening operation of the inner threaded cover 200 is more smooth, at the same time, also can avoid the connecting ring 302 and the inner threaded cover 200 between the friction and produce abrasion or damage.

[0041] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An endoscope tip connection structure characterized by comprising: The utility model provides an endoscope head, which comprises a head seat (100), an endoscope head (102) connected to the top of the head seat (100) through a detachable connector, a connecting pipe (104) connected to the bottom of the head seat (100), and a pipeline (103) sleeved on the surface of the connecting pipe (104).

2. An endoscope tip connection structure according to claim 1, characterized by: The detachable connector comprises a threaded ring (201) fixedly installed on the mouth of the head seat (100), and the endoscope head (102) is placed on the mouth of the threaded ring (201), and the surface of the threaded ring (201) is threadedly connected with an internal thread cover (200) for pressing the endoscope head (102).

3. An endoscope tip connection structure according to claim 1, characterized by: The pressing assembly comprises a pressing ring (300) located below the head seat (100) and sleeved on the surface of the connecting pipe (104), and the two sides of the top of the pressing ring (300) are fixedly connected with connecting rods (301), the bottom of the head seat (100) is provided with circular grooves (106) corresponding to the connecting rods (301) on the corresponding sides, and the inner cavities of the two groups of circular grooves (106) are provided with a pushing assembly for pushing the connecting rods (301) downward to drive the pressing ring (300) to be pressed on the surface of the pipeline (103).

4. An endoscope tip connection structure according to claim 3, characterized by: The pushing assembly comprises fixed rings (401) fixedly sleeved on the surfaces of the connecting rods (301), respectively, springs (402) sleeved on the surfaces of the connecting rods (301) located in the two groups of circular grooves (106), respectively, the two ends of the two groups of springs (402) are in contact with the top inner walls of the circular grooves (106) and the top surfaces of the fixed rings (401), respectively, the bottoms of the two groups of fixed rings (401) are fixedly connected with sealing rings (400), respectively, the two groups of sealing rings (400) are sleeved on the surfaces of the connecting rods (301) on the corresponding sides, respectively, the outer circular surfaces of the two groups of sealing rings (400) are in contact with the inner walls of the circular grooves (106) on the corresponding sides, and the upper portion of the head seat (100) is provided with a pressing assembly for further pushing the pressing ring (300) downward to improve the pressing effect on the pipeline (103).

5. An endoscope tip connection structure according to claim 4, characterized by: The pressing assembly comprises a connecting ring (302) arranged above the head seat (100), one end of each of the two groups of connecting rods (301) penetrates the head seat (100) upward and is fixedly connected to the bottom of the corresponding side of the connecting ring (302), and the top of the connecting ring (302) is in contact with the bottom surface of the internal thread cover (200).

6. An endoscope tip connection structure according to claim 5, characterized by: The top surface of the connecting ring (302) is rotatably connected with a plurality of groups of rolling balls (303), and the plurality of groups of rolling balls (303) are arranged in an annular array.

7. An endoscope tip connection structure according to claim 1, characterized by: A plurality of groups of anti-skid protrusions (105) are fixedly arranged on the surface of the connecting pipe (104) in a vertical and equidistant manner from bottom to top.

8. An endoscope tip connection structure according to claim 3, characterized by: A bevel (306) is arranged on the lower inner edge of the pressing ring (300). The utility model discloses an endoscope head, which comprises a head seat (100), an endoscope head (102) connected to the top of the head seat (100) through a detachable connector, a connecting pipe (104) connected to the bottom of the head seat (100), and a pipeline (103) sleeved on the surface of the connecting pipe (104).

9. An endoscope tip connection structure according to claim 1, characterized by: The surface of the head end seat (100) is provided with a plurality of groups of flow guide holes (101), and the plurality of groups of flow guide holes (101) are arranged in an annular array, and the inner cavities of the flow guide holes (101) are in communication with the inner cavities of the wire channels (108).

10. An endoscope tip connection structure according to claim 9, characterized by: The inner wall of the wire channel (108) is sprayed with a hydrophobic layer (107).

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