CN219739429U - Endoscope video patch cord device - Google Patents

Abstract

The utility model discloses an endoscope video patch cord device, which comprises a male head main body, wherein a first jack is arranged on the male head main body, a first positioning structure is arranged on the male head main body, and a contact pin assembly is arranged in the first jack; the guide sleeve is rotatably sleeved on the male head main body, the guide sleeve and the male head main body are coaxially arranged, a spiral groove and a first positioning groove are formed in the inner wall of the guide sleeve, and the tail end of the spiral groove is communicated with the first positioning groove; the female head main body is provided with a second jack, and a socket is arranged in the female head main body; the female head main body is provided with a second positioning structure and a first positioning pin, when the female head main body is connected with the male head main body, the second positioning structure is connected with the first positioning structure, the first positioning pin is used for being inserted into the spiral groove, the guide sleeve rotates along with the first positioning pin, the first positioning pin slides relative to the spiral groove, and the torsion spring stretches to generate torque to assist in buckling.

Description

Endoscope video patch cord device

Technical Field

The utility model relates to the technical field of endoscopes, in particular to an endoscope video patch cord device.

Background

With the gradual increase of the functions of the endoscope, the variety of signals to be transmitted gradually increases, more pins are required to be added in a connecting device of the video patch cord to transmit various signals, the larger the number of pins is, the more the required plugging force is, the current connecting device is connected in a direct plugging manner, external force used in the plugging process acts on the connected pins, and when the external force or impact force is overlarge, the pins are likely to be broken.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the endoscope video patch cord device which can solve the problem that the insertion and extraction force required by the endoscope video patch cord device is large.

An endoscopic video patch cord device according to an embodiment of the first aspect of the present utility model includes: the male head comprises a male head main body, a first positioning structure and a pin assembly, wherein the male head main body is provided with a first jack; the guide sleeve is rotatably sleeved on the male head main body, the guide sleeve and the male head main body are coaxially arranged, a spiral groove and a first positioning groove are formed in the inner wall of the guide sleeve, and the tail end of the spiral groove is communicated with the first positioning groove; the female head main body is provided with a second jack, a socket is arranged in the second jack, a second positioning structure and a first positioning pin are arranged on the female head main body, when the female head main body is connected with the male head main body, the second positioning structure is used for being connected with the first positioning structure, the first positioning pin is used for being inserted into the spiral groove, the first positioning structure comprises a narrowing section and a vertical section, the narrowing section is arranged at the upper end of the vertical section, the narrowing section is communicated with the vertical section, the narrowing section is narrowed from top to bottom, and the second positioning structure is used for being inserted into the vertical section from the narrowing section; when the guide sleeve rotates, the first positioning pin can slide relative to the spiral groove, so that the pin assembly is inserted into the socket.

The endoscope video patch cord device provided by the embodiment of the utility model has at least the following beneficial effects: when the spiral groove on the guide sleeve drives the female head main body to be buckled downwards through the first positioning pin, the second positioning pin is inserted into the vertical section through the narrowing section, the limiting block is clamped in the limiting groove, the torsion spring is stressed and twisted to generate torque, and when the female head main body is pulled out outwards, the torsion spring rebounds to reduce the force.

According to some embodiments of the utility model, the second positioning structure is a positioning rod, the first positioning structure is a positioning hole, the positioning rod is arranged in the second jack, the positioning hole is arranged on the upper end face of the male main body, the positioning hole extends downwards from the upper end face of the male main body, and the positioning hole and the positioning rod are provided with a plurality of positioning holes, so that the female main body and the male main body can be conveniently buckled.

According to some embodiments of the utility model, the second positioning structure is a second positioning pin, the first positioning structure is a second positioning groove, the second positioning pin is arranged on the inner peripheral wall of the second insertion hole, the second positioning groove is arranged on the outer peripheral wall of the male main body, the second positioning groove extends downwards from the upper end face of the male main body, and the second positioning pin is used for being inserted into the second positioning groove.

According to some embodiments of the utility model, the second positioning pins and the first positioning pins are provided with a plurality of second positioning pins and the first positioning pins are arranged on the same horizontal plane, the second positioning pins are uniformly distributed along the circumferential direction of the main body of the female head, the first positioning pins are uniformly distributed along the circumferential direction of the main body of the female head, and the plurality of first positioning pins are matched with the plurality of spiral grooves to enable buckling to be more stable.

According to some embodiments of the utility model, at least one of the first locating pin and the second locating pin are integrally formed, so as to facilitate alignment insertion.

According to some embodiments of the utility model, the male body comprises: the first mounting cylinder is provided with an annular boss on the peripheral wall, the lower end of the annular boss is provided with a clamping groove, the contact pin assembly is mounted in the first mounting cylinder, and the lower end of the contact pin assembly protrudes downwards out of the first mounting cylinder; the sealing ring is sleeved on the first mounting cylinder and is accommodated in the clamping groove; the inner peripheral wall of the guide sleeve is provided with an annular mounting lug, the outer peripheral wall of the guide sleeve is provided with a mounting groove, the guide sleeve is connected to the annular mounting lug of the guide sleeve through the mounting groove, the guide sleeve and the guide sleeve are sleeved on the first mounting cylinder, and the guide sleeve can rotate; the upper end of the second mounting cylinder is abutted to the lower end of the first mounting cylinder, the lower end of the contact pin assembly is inserted into a cylinder hole at the upper end of the second mounting cylinder, the lower end of the contact pin assembly is connected with the peripheral wall of the second mounting cylinder through a first screw, and a clamping step is further arranged on the peripheral wall of the second mounting cylinder; the clamping seat is sleeved on the second mounting cylinder, the upper end of the clamping seat is abutted to the clamping step, the gasket is used for reducing friction coefficient, and the sealing ring is used for stabilizing rebound.

According to some embodiments of the utility model, the cable guide device further comprises a cable pressing block, a cable pressing column is arranged at the lower end of the second mounting cylinder, the cable pressing column is arranged in a semi-cylindrical shape, a cable passing groove is formed in the inner side face of the cable pressing column, a cable of the contact pin assembly can pass through the cable passing groove, the cable pressing block is detachably connected to the inner side face of the cable pressing column, and the cable pressing block is used for pressing the cable in the cable passing groove and preventing the cable from being damaged due to rotation.

According to some embodiments of the utility model, the wire pressing block comprises a connecting lug and a wire hoop, the connecting lug and the wire hoop are integrally formed, the connecting lug is detachably connected to the inner side face of the wire pressing column through a second screw, the wire hoop is used for pressing the cable in the wire passing groove, and the wire pressing block is replaceable.

According to some embodiments of the utility model, the torsion spring is further provided with a torsion spring, one end of the torsion spring is connected with the clamping seat, the other end of the torsion spring is connected with the guide sleeve, a plurality of first fixing positions of the torsion spring are arranged on the clamping seat and distributed around the circumference of the clamping seat of the torsion spring, a plurality of second fixing positions of the torsion spring are arranged on the guide sleeve and distributed around the circumference of the guide sleeve, one end of the torsion spring is connected with the first fixing positions, the other end of the torsion spring is connected with the second fixing positions, and the plurality of first fixing positions and the plurality of second fixing positions are used for adjusting torsion force of the torsion spring.

According to some embodiments of the utility model, a limiting groove is formed in the lower end of the guide sleeve, a limiting block is arranged on the upper peripheral wall of the second mounting cylinder, the limiting block is accommodated in the limiting groove, and the limiting block is used for limiting the rotation amplitude of the guide sleeve.

Compared with the prior art, the utility model has the beneficial effects that: the male main body and the female main body are rotated in and out to drive the pin assembly to be inserted or pulled out, and the stressed part of the pin assembly is fed back to the outside, so that the connection operation of the connection device is simpler and more convenient to pull out and insert, the insertion force of the pin assembly is not increased even if the number of connection pins is increased, the pin assembly is not easy to break, and the service life of the whole connection device can be effectively prolonged.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic structural diagram of an endoscopic video patch cord device according to an embodiment of the present utility model;

FIG. 2 is an exploded view of the endoscopic video patch cord device shown in FIG. 1;

FIG. 3 is an exploded view of an endoscopic video patch cord device in accordance with the construction of an embodiment of the present utility model;

FIG. 4 is a schematic structural view of a first positioning structure of an endoscopic video patch cord device according to an embodiment of the present utility model;

FIG. 5 is a second exploded view of the endoscopic video patch cord device shown in FIG. 1;

FIG. 6 is a quarter sectional view from a perspective of the endoscopic video patch cord device shown in FIG. 1;

FIG. 7 is an exploded view of the endoscopic video patch cord device shown in FIG. 6;

FIG. 8 is a semi-sectional view of the endoscopic video patch cord device shown in FIG. 1 from a perspective view;

FIG. 9 is an exploded view of the endoscopic video patch cord device shown in FIG. 8;

FIG. 10 is a cross-sectional elevation view of the endoscopic video patch cord device shown in FIG. 8;

fig. 11 is an exploded view of the endoscopic video patch cord device shown in fig. 1.

A male body 100, a first insertion hole 110;

a first positioning structure 120, a narrowing section 121, and a vertical section 122;

the first mounting cylinder 130, the annular boss 131, the clamping groove 131a and the sealing ring 140;

a gasket 150 and a mounting groove 151;

the second mounting cylinder 160, the clamping step 161, the wire pressing column 162, the wire passing groove 162a and the limiting block 163;

a wire pressing block 170, a connecting lug 171 and a wire hoop 172;

a clamping seat 180 and a first fixing position 181;

the guide sleeve 200, the spiral groove 210, the first positioning groove 220, the annular mounting lug 230, the second fixing position 240, the limiting groove 250 and the second positioning point 260;

the female body 300, the second jack 310, the socket 311, the second positioning structure 320, the first positioning pin 330, the first positioning point 340;

torsion spring 400, pin assembly 500, housing 600, third detent 601.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a plurality means one or more, and a plurality means two or more, and it is understood that greater than, less than, exceeding, etc. does not include the present number, and it is understood that greater than, less than, within, etc. include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 to 11, an endoscopic video patch cord device includes: the male body 100 is provided with a first jack 110, the male body 100 is provided with a first positioning structure 120, and a pin assembly 500 or a socket assembly 311 is arranged in the first jack 110; the guide sleeve 200 is rotatably sleeved on the male body 100, the guide sleeve 200 and the male body 100 are coaxially arranged, a spiral groove 210 and a first positioning groove 220 are formed in the inner wall of the guide sleeve 200, and the tail end of the spiral groove 210 is communicated with the first positioning groove 220; the female main body 300 is provided with a second jack 310, a socket 311 or a pin assembly 500 is arranged in the second jack 310, a second positioning structure 320 and a first positioning pin 330 are arranged on the female main body 300, when the female main body 300 is connected with the male main body 100, the second positioning structure 320 is used for being connected with the first positioning structure 120, the first positioning pin 330 is used for being inserted into the spiral groove 210, the first positioning structure 120 comprises a narrowing section 121 and a vertical section 122, the narrowing section 121 is arranged at the upper end of the vertical section 122, the narrowing section 121 is communicated with the vertical section 122, the narrowing section 121 is narrowed from top to bottom, and the second positioning structure 320 is used for being inserted into the vertical section 122 from the narrowing section 121; when the guide sleeve 200 rotates, the first positioning pin 330 can slide relative to the spiral groove 210, so that the pin assembly 500 is inserted into the socket 311, it is to be understood that the waterproof and breathable film is provided in the socket 311 of the female head main body 300, so that gas can enter and waterproof effect is achieved, the elastic groove is further provided in the socket 311, so that stability of connection can be ensured, the spiral groove 210 is provided on the inner wall of the guide sleeve 200, and the purpose of preventing the spiral groove 210 from being hung on other annular structures in an outward leakage manner is to prevent the guide sleeve 200 from penetrating the spiral groove 210, so that strength is reduced and stress deformation is caused.

Referring to fig. 3 and 4, the second positioning structure 320 is a positioning rod, the first positioning structure 120 is a positioning hole, the positioning rod is disposed in the second jack 310, the positioning hole is disposed on an upper end surface of the male body 100, the positioning hole extends downward from the upper end surface of the male body 100, the positioning hole includes a narrowing section 121 and a vertical section 122, the narrowing section 121 is disposed on an upper end of the vertical section 122, the narrowing section 121 is communicated with the vertical section 122, the narrowing section 121 is narrowed from top to bottom, the positioning rod is used for inserting the vertical section 122 from the narrowing section 121, the positioning hole and the positioning rod are provided with a plurality of holes, so that the female body 300 and the male body 100 can be conveniently buckled, the lower end of the positioning rod is disposed in a downward narrowed circular truncated cone shape or a cone shape, so that the positioning hole can be conveniently inserted, in addition, it can be understood that buckling feedback mechanisms are disposed on the male body 100 and the female body 300, namely, when the male body 100 and the female body 300 are buckled, the feedback mechanisms are turned on, and an electrical signal is transmitted to an indicator which is electrified, the indicator can be disposed as an indicator, the indicator or the indicator can be conveniently and the user can conveniently and correctly output the warning mechanism, and the warning mechanism can be conveniently and the warning mechanism can be recognized by the user, and the user can normally.

Referring to fig. 2 and 4, the second positioning structure 320 is a second positioning pin, the first positioning structure 120 is a second positioning groove, the second positioning pin is disposed on an inner peripheral wall of the second insertion hole 310, the second positioning groove is disposed on an outer peripheral wall of the male body 100, the second positioning groove extends downward from an upper end surface of the male body 100, the second positioning pin is used for inserting the second positioning groove, it is understood that the outer peripheral wall of the male body 100 narrows downward from an upper edge, that is, the first positioning structure 120 is disposed to penetrate or not penetrate through the outer peripheral wall of the male body 100, the first positioning structure 120 may be configured to be in a Y shape, "P shape", "r" shape, etc., so that the second positioning pin is conveniently inserted into the vertical section 122.

In some embodiments, the second positioning pins and the first positioning pins 330 are provided with a plurality of second positioning pins and first positioning pins 330, the second positioning pins and the first positioning pins 330 are disposed on the same horizontal plane, the second positioning pins are uniformly distributed along the circumference of the female head main body 300, the first positioning pins 330 are uniformly distributed along the circumference of the female head main body 300, and the plurality of first positioning pins 330 cooperate with the plurality of spiral grooves 210 to make the buckling more stable.

Referring to fig. 9, at least one first locating pin 330 and one second locating pin are integrally formed to facilitate alignment insertion.

Referring to fig. 5, the male body 100 includes: the first mounting cylinder 130, the peripheral wall is provided with the annular boss 131, the lower end of the annular boss 131 is provided with the clamping groove 131a, the contact pin assembly 500 is mounted in the first mounting cylinder 130, and the lower end of the contact pin assembly 500 protrudes downwards out of the first mounting cylinder 130; the sealing ring 140 is sleeved on the first mounting cylinder 130, and the sealing ring 140 is accommodated in the clamping groove 131 a; the gasket 150, the inner peripheral wall of the guide sleeve 200 is provided with an annular mounting lug 230, the outer peripheral wall of the gasket 150 is provided with a mounting groove 151, the gasket 150 is connected to the annular mounting lug 230 of the guide sleeve 200 through the mounting groove 151, the guide sleeve 200 and the gasket 150 are sleeved on the first mounting cylinder 130, and the guide sleeve 200 can rotate; the upper end of the second installation cylinder 160 is abutted against the lower end of the first installation cylinder 130, the lower end of the contact pin assembly 500 is inserted into a cylinder hole at the upper end of the second installation cylinder 160, the lower end of the contact pin assembly 500 is connected with the peripheral wall of the second installation cylinder 160 through a first screw, and a clamping step 161 is further arranged on the peripheral wall of the second installation cylinder 160; the clamping seat 180 is sleeved on the second mounting cylinder 160, the upper end of the clamping seat 180 is abutted on the clamping step 161, the gasket 150 is used for reducing the friction coefficient, the gasket 150 is made of a tetrafluoro gasket, the sealing ring 140 is used for stable rebound, it is understood that the clamping step 161 can be provided with a plurality of clamping ribs, in addition, the socket 311 is provided with a guide groove, the pin assembly 500 comprises a base and pins, the pins are arranged in a layered manner along the circumferential edge of the base, but the pins are not arranged in a certain range in the circumferential center area of the base, and the reason for the arrangement is that even if the pins are guided by the guide groove, manufacturing errors inevitably exist when the number of the pins is too much arranged in the circumferential center area, namely, the accumulated errors generated after the whole pins are aligned, so that the plug force is increased to cause the use to be laborious.

Referring to fig. 5, the cable pressing device further includes a cable pressing block 170, a cable pressing column 162 is disposed at the lower end of the second mounting barrel 160, the cable pressing column 162 is disposed in a semi-cylindrical shape, a cable passing groove 162a is disposed on the inner side surface of the cable pressing column 162, a cable of the contact pin assembly 500 can pass through the cable passing groove 162a, the cable pressing block 170 is detachably connected to the inner side surface of the cable pressing column 162, and the cable pressing block 170 is used for pressing the cable in the cable passing groove 162a to prevent the cable from being damaged due to rotation.

Referring to fig. 5, the wire pressing block 170 includes a connection lug 171 and a wire clamp 172, the connection lug 171 and the wire clamp 172 are integrally formed, the connection lug 171 is detachably connected to the inner side surface of the wire pressing block 162 through a second screw, the wire clamp 172 is used for pressing a cable in the wire pressing block 162a, the wire pressing block 170 is replaceable, it should be understood that the wire pressing block 162 may be provided with two downward protrusions, and the two downward protrusions are connected through the two wire pressing blocks 170, so as to press the cable.

In some embodiments, the torsion spring 400 is further included, a plurality of first fixing bits 181 are disposed on the clamping seat 180, the plurality of first fixing bits 181 are distributed around the circumference of the clamping seat 180, a plurality of second fixing bits 240 are disposed on the guide sleeve 200, the plurality of second fixing bits 240 are distributed around the circumference of the guide sleeve 200, one end of the torsion spring 400 is connected with the first fixing bits 181, the other end of the torsion spring 400 is connected with the second fixing bits 240, the plurality of first fixing bits 181 and the plurality of second fixing bits 240 are used for adjusting torsion force of the torsion spring 400, and the guide sleeve 200 can rotate along the axial direction based on the elastic force action of the spring 400.

In some embodiments, the lower end of the guide sleeve 200 is provided with a limit groove 250, the upper peripheral wall of the second mounting cylinder 160 is provided with a limit block 163, the limit block 163 is accommodated in the limit groove 250, the limit block 163 is used for limiting the rotation amplitude of the guide sleeve 200, the main body of the female head 300 is provided with a first pair of sites 340, the guide sleeve 200 is provided with a second pair of sites 260, the housing 600 is provided with a third pair of sites 601, when the second positioning pin is vertically inserted into the spiral groove 210, the first pair of sites 340, the second pair of sites 260, the third pair of sites 601, the first positioning structure 120 and the limit block 163 are all positioned on the same straight line, it can be understood that the housing 600 is provided with a non-slip protrusion, the non-slip protrusion can be provided with a plurality of rubber blocks, the spiral groove 210 is provided with a housing limit convenient housing 600 to be mounted on the male head main body 100; three positioning points are arranged on the inner side of the shell 600 and are respectively clamped to the starting ends of the three spiral grooves 210, and the guide sleeve can be driven to rotate by rotating the shell 600.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (10)

1. An endoscopic video patch cord device, comprising:

the male head comprises a male head main body (100) provided with a first jack (110), wherein a first positioning structure (120) is arranged on the male head main body (100), and a pin assembly (500) or a socket (311) is arranged in the first jack (110);

the guide sleeve (200) is rotatably sleeved on the male head main body (100), the guide sleeve (200) and the male head main body (100) are coaxially arranged, a spiral groove (210) and a first positioning groove (220) are formed in the inner wall of the guide sleeve (200), and the tail end of the spiral groove (210) is communicated with the first positioning groove (220);

a female body (300) is provided with a second jack (310), a socket (311) or a pin assembly (500) is arranged in the second jack (310), a second positioning structure (320) and a first positioning pin (330) are arranged on the female body (300), when the female body (300) is connected with the male body (100), the second positioning structure (320) is used for being connected with the first positioning structure (120), the first positioning pin (330) is used for being inserted into the spiral groove (210), the first positioning structure (120) comprises a narrowing section (121) and a vertical section (122), the narrowing section (121) is arranged at the upper end of the vertical section (122), the narrowing section (121) is communicated with the vertical section (122), and the second positioning structure (320) is used for being inserted into the vertical section (122) from top to bottom;

when the guide sleeve (200) rotates, the first positioning pin (330) can slide relative to the spiral groove (210), so that the pin assembly (500) is inserted into the socket (311).

2. The endoscopic video patch cord device according to claim 1, wherein said second positioning structure (320) is a positioning rod, said first positioning structure (120) is a positioning hole, said positioning rod is disposed in said second insertion hole (310), said positioning hole is disposed on an upper end surface of said male body (100), and said positioning hole extends downward from said upper end surface of said male body (100).

3. The endoscopic video patch cord device according to claim 1, wherein said second positioning structure (320) is a second positioning pin, said first positioning structure (120) is a second positioning groove, said second positioning pin is disposed on an inner peripheral wall of said second insertion hole (310), said second positioning groove is disposed on an outer peripheral wall of said male body (100), said second positioning groove extends downward from an upper end surface of said male body (100), and said second positioning pin is for insertion into said second positioning groove.

4. An endoscope video patch cord device according to claim 3, wherein the second positioning pins and the first positioning pins (330) are provided in a plurality, the second positioning pins and the first positioning pins (330) are provided on the same horizontal plane, the second positioning pins are uniformly distributed along the circumferential direction of the female head main body (300), and the first positioning pins (330) are uniformly distributed along the circumferential direction of the female head main body (300); the spiral groove (210) and the first positioning groove (220) are provided with a plurality of spiral grooves (210) which are uniformly distributed along the circumferential direction of the guide sleeve (200), the first positioning groove (220) is uniformly distributed along the axial direction of the guide sleeve (200), and the first positioning pin (330) is matched with the first positioning structure (120).

5. The endoscopic video patch cord device according to claim 4, wherein at least one of said first positioning pin (330) and said second positioning pin are integrally formed.

6. The endoscopic video patch cord device according to claim 1, wherein said male head body (100) comprises:

the device comprises a first mounting cylinder (130), wherein an annular boss (131) is arranged on the outer peripheral wall, a clamping groove (131 a) is formed in the lower end of the annular boss (131), the contact pin assembly (500) is mounted in the first mounting cylinder (130), and the lower end of the contact pin assembly (500) protrudes downwards to extend out of the first mounting cylinder (130);

the sealing ring (140) is sleeved on the first mounting cylinder (130), and the sealing ring (140) is accommodated in the clamping groove (131 a);

the gasket (150), an annular mounting lug (230) is arranged on the inner peripheral wall of the guide sleeve (200), a mounting groove (151) is arranged on the outer peripheral wall of the gasket (150), the gasket (150) is connected to the annular mounting lug (230) of the guide sleeve (200) through the mounting groove (151), the guide sleeve (200) is sleeved on the first mounting cylinder (130) together with the gasket (150), and the guide sleeve (200) can rotate;

the upper end of the second mounting cylinder (160) is abutted to the lower end of the first mounting cylinder (130), the lower end of the contact pin assembly (500) is inserted into an upper cylinder hole of the second mounting cylinder (160), the lower end of the contact pin assembly (500) is connected with the peripheral wall of the second mounting cylinder (160) through a first screw, and a clamping step (161) is further arranged on the peripheral wall of the second mounting cylinder (160);

the clamping seat (180) is sleeved on the second mounting cylinder (160), and the upper end of the clamping seat (180) is abutted to the clamping step (161).

7. The endoscope video patch cord device according to claim 6, further comprising a wire pressing block (170), wherein a wire pressing column (162) is disposed at the lower end of the second mounting cylinder (160), the wire pressing column (162) is disposed in a semi-cylindrical shape, a wire passing groove (162 a) is formed in the inner side surface of the wire pressing column (162), a cable of the contact pin assembly (500) can pass through the wire passing groove (162 a), the wire pressing block (170) is detachably connected to the inner side surface of the wire pressing column (162), and the wire pressing block (170) is used for pressing the cable in the wire passing groove (162 a).

8. The endoscopic video patch cord device according to claim 7, wherein said wire pressing block (170) comprises a connection lug (171) and a wire clip (172), said connection lug (171) and said wire clip (172) are integrally formed, said connection lug (171) is detachably connected to an inner side surface of said wire pressing column (162) by a second screw, and said wire clip (172) is used for pressing a cable in said wire passing groove (162 a).

9. The endoscope video patch cord device according to claim 6, further comprising a torsion spring (400), wherein a plurality of first fixing bits (181) are provided on the clamping seat (180), a plurality of first fixing bits (181) are distributed around the circumference of the clamping seat (180), a plurality of second fixing bits (240) are provided on the guide sleeve (200), a plurality of second fixing bits (240) are distributed around the circumference of the guide sleeve (200), one end of the torsion spring (400) is connected with the first fixing bits (181), and the other end of the torsion spring (400) is connected with the second fixing bits (240).

10. The endoscope video patch cord device according to claim 9, wherein a limit groove (250) is provided at a lower end of the guide sleeve (200), a limit block (163) is provided on an upper peripheral wall of the second mounting cylinder (160), the limit block (163) is accommodated in the limit groove (250), and the limit block (163) is used for limiting a rotation range of the guide sleeve (200).