Electrical plug and endoscope

Abstract

The utility model relates to the technical field of endoscopes, and particularly discloses an electrical plug and an endoscope, and the electrical plug comprises a plug seat which is provided with a first installation through hole; the connector seat is provided with a second mounting through hole; the first contact piece is arranged in the first mounting through hole, and the first contact piece comprises a core sleeve, a first contact, a first insertion core, a spring and an elastic clamping ring; the core sleeve is arranged in the mounting through hole; the first contact is slidably arranged in the core sleeve, and the first contact partially extends out of the core sleeve in a mode of preventing the first contact from being separated from the core sleeve; the first insertion core extends into the core sleeve and is inserted into the first contact, the first insertion core is movably connected with the first contact, and the first insertion core is connected with the core sleeve; the spring is arranged in the core sleeve and is used for keeping the trend that the first contact extends out of the core sleeve; the elastic clamping ring is used for elastically abutting against the first insertion core and the first contact. And the second contact piece is arranged in the second mounting through hole, and the second contact piece is used for abutting against the first contact piece.

Description

Technical Field

[0001] The utility model relates to the technical field of endoscopes, in particular to an electrical plug and an endoscope. Background Art

[0002] An endoscope system generally includes an insertion portion for inserting into a natural cavity of the human body to establish a channel and capture images of the internal environment, an operating portion for easy operation, and a display device for displaying the internal environment of the natural cavity of the human body. The operating portion and the display device establish a communication connection through a pluggable connector (electrical plug).

[0003] The connector usually includes a plug socket and a connector socket. The plug socket is used to be installed on the display device, and the connector socket is used to be installed on the endoscope operating part. The plug socket and the connector socket can establish / disconnect the communication connection between the operating part and the display device by plugging and unplugging. However, the connection between the existing plug socket and the connector socket has poor contact, which affects normal communication. That is, the retractable contacts on the plug socket are prone to shaking during connection, resulting in poor contact problems.

[0004] Therefore, it is of practical value to study an electrical plug whose contacts are not easy to shake. Utility Model Content

[0005] The utility model aims to provide an electrical plug and an endoscope to solve the problem of poor contact of the contacts of the existing endoscope.

[0006] In order to solve the above technical problems, in a first technical scheme, the utility model provides an electrical plug, a plug socket, the plug socket is provided with a first mounting through hole; a connector socket, the plug socket is provided with a second mounting through hole; a first contact piece, the first contact piece is arranged in the first mounting through hole, the first contact piece includes a core sleeve, a first contact, a first plug core, a spring and an elastic clamp ring; the core sleeve is arranged in the mounting through hole; the first contact is slidably arranged in the core sleeve, and the first contact partially extends out of the core sleeve in a manner to prevent it from falling out of the core sleeve; the first plug core extends into the core sleeve and is inserted into the first contact, the first plug core is movably connected to the first contact, and the first plug core is connected to the core sleeve connection; the spring sleeve is arranged in the core sleeve, and the spring is used to maintain the tendency of the first contact to extend out of the core sleeve; the elastic clamp ring is used to elastically abut against the first core and the first contact; a second contact piece, the second contact piece is arranged in the second mounting through hole, the second contact piece includes a second core and a second contact, the second contact piece is used to abut against the first contact piece, the spring can limit the external shaking of the first contact outside the first contact, and the elastic clamp ring inside the first contact can limit the internal shaking of the first contact inside the first contact, that is, the internal and external shaking of the first contact are effectively limited by the spring and the elastic clamp ring respectively, so as to avoid shaking of the first contact, maintain good contact, and maintain normal communication.

[0007] In some embodiments of the first technical solution, the elastic clamp ring is sleeved on the outside of the first core, and the elastic clamp ring is arranged inside the first contact. The inner wall of the elastic clamp ring abuts against the first core, and the outer wall of the elastic clamp ring abuts against the first contact. The elastic clamp ring abuts against the first core and the first contact, and the elastic deformation characteristics of the elastic clamp ring can effectively absorb the shaking of the first contact.

[0008] In some embodiments of the first technical solution, the first contact is provided with a plug mounting hole; along the insertion direction of the first plug, the plug mounting hole includes a wide section and a narrow section in sequence, and a card platform is formed between the wide section and the narrow section; the elastic clamp ring can be movably clamped on the card platform; the first plug can be selectively inserted into the narrow section, and the narrow section can only be used for the first plug to be inserted. When the first contact moves, the first plug moves into the narrow section, and the elastic clamp ring will be squeezed and clamped on the card platform, and the elastic clamp ring will increase the tightness of the abutment with the first plug.

[0009] In some embodiments of the first technical solution, the elastic clamp is provided with a fixed portion and an elastic portion; the fixed portion is hollow and has two ends connected to form a first mounting channel; the elastic portion is hollow and has two ends connected to form a second mounting channel; the first mounting channel is connected to the second mounting channel, and the first mounting channel and the second mounting channel are both used for the insertion of the first plug; the outer wall of the fixed portion abuts against the first contact; the inner wall of the elastic portion abuts against the first plug, and the elastic portion elastically abuts against the first plug, and the shaking of the first contact is transmitted to the fixed portion, and the fixed portion is transmitted to the elastic portion for absorption, thereby effectively improving the connection stability.

[0010] In some embodiments of the first technical solution, the elastic portion includes a plurality of extension arms; the plurality of extension arms enclose to form the second mounting channel, and the second mounting channel narrows along the insertion direction of the first plug core; the plurality of extension arms are all connected to the fixed portion, and adjacent extension arms are separated, and the ends of the plurality of extension arms are all abutted against the first plug core, and the mounting channel is an inverted cone-shaped space, the wide end of the inverted cone abuts against the first contact, and the narrow end of the inverted cone abuts against the first plug core, further limiting the swing of the first contact.

[0011] In some embodiments of the first technical solution, the extension arm includes an arm body and an arm end block; the arm end block is arranged at one end of the arm body away from the fixed part, and the arm body is fixedly connected to the arm end block; a plurality of the arm end blocks form a ring for strengthening the abutment strength, and when the extension arm abuts against the first plug core, the ring structure formed by the arm end block can increase the abutment strength.

[0012] In some embodiments of the first technical solution, a contact outer edge is provided on the outer wall of the first contact; a core outer edge is provided on the outer wall of the first core; the spring is compressed between the core outer edge and the contact outer edge, and under the compression of the first core, the spring will continue to apply pressure to the first contact, thereby maintaining the tendency of the first contact to extend outward.

[0013] In some embodiments of the first technical solution, the second contact member includes a second ferrule and a second contact, the second contact sleeve is installed on the second ferrule, the second ferrule is electrically connected to the second electric wire, and a ferrule mounting position is provided on the second contact, and the ferrule mounting position is used to install the second ferrule. After adopting this setting method, when the first contact abuts the second contact, an electrical path is formed between the first contact and the second contact, thereby electrically connecting the operating part of the endoscope to the display device.

[0014] In some embodiments of the first technical scheme, a waterproof mounting through hole is provided on the connector seat; a waterproof ventilation membrane and a structure maintaining mesh are installed in the waterproof mounting through hole; the waterproof ventilation membrane is installed in the waterproof mounting through hole, and the structure maintaining mesh is provided on at least one side of the waterproof ventilation membrane, and the structure maintaining mesh is in contact with the waterproof ventilation membrane. The provision of the waterproof ventilation membrane solves the problem of endoscope damage caused by drastic changes in external air pressure, and the structure maintaining mesh wraps the waterproof ventilation membrane for easier installation, and reduces the impact of gas and liquid on the waterproof ventilation membrane during disinfection and leak detection, thereby reducing the risk of product damage and improving product reliability and service life.

[0015] In some embodiments of the first technical solution, the connector seat is provided with an anti-static ring and an electrostatic guide pin; the anti-static ring is sleeved in the second contact piece, one end of the electrostatic guide pin is connected to the anti-static ring, and the other end of the electrostatic guide pin is connected to the connector seat, and the electrostatic guide pin can guide the static electricity that may be generated in the second contact piece to the connector seat, thereby improving the anti-static capability of the product.

[0016] In some embodiments of the first technical solution, a bayonet is provided on the outer wall of the connector seat, and a sub-magnet is provided inside the connector seat; a slot is provided on the inner wall of the plug seat, and a mother magnet is provided inside the plug seat, and the detachable connection between the plug seat and the connector seat is configured to be slidably installed in the slot through the bayonet, and the sub-magnet is magnetically connected to the mother magnet.

[0017] In the second technical solution, the utility model provides a device using the plug socket.

[0018] The more prominent beneficial effects of the utility model are as follows:

[0019] 1. Since a spring is provided outside the first contact, the spring can maintain pressure on the first contact, so that the first contact is continuously pressurized from the outside, and since an elastic clamp is provided inside the first contact, the elastic clamp is elastically in contact with the first plug core and the first contact. When the first contact moves axially during application, the elastic clamp inside the first contact can elastically absorb the shaking of the first contact, and the elasticity of the spring outside the first contact can buffer the shaking of the first contact, thereby limiting the shaking of the first contact both inside and outside the first contact, so that the first contact will not shake, maintain good contact with the second contact, and maintain normal communication.

[0020] Second, since a waterproof installation through hole is provided on the connector seat, a waterproof ventilation membrane and a structure maintenance mesh are installed in the waterproof installation through hole. The waterproof ventilation membrane can solve the problem of endoscope damage caused by drastic changes in external air pressure, and the structure maintenance mesh can weaken the impact of gas and liquid on the waterproof ventilation membrane, reduce the risk of product damage, and improve product reliability and service life.

[0021] 3. The connector seat has good waterproof and corrosion resistance, and the insertion part and the operating part can be disinfected without installing a sealing cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the implementation mode will be briefly introduced below. Obviously, the drawings described below are only some implementation modes of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a schematic cross-sectional structure diagram of the plug socket and the connector socket after being assembled provided by the preferred embodiment of the utility model;

[0024] Figure 2 It is a schematic cross-sectional structure diagram of a plug socket provided in a preferred embodiment of the utility model;

[0025] Figure 3 It is a schematic diagram of the cross-sectional structure of the waterproof installation through hole provided in the preferred embodiment of the utility model;

[0026] Figure 4 It is a structural schematic diagram of a plug socket provided in a preferred embodiment of the utility model;

[0027] Figure 5 It is a structural schematic diagram of the connector base provided in the preferred embodiment of the utility model;

[0028] Figure 6 is a schematic cross-sectional structure diagram of a first contact member provided in a preferred embodiment of the utility model;

[0029] Figure 7 It is a structural schematic diagram of the elastic clamp ring provided in the preferred embodiment of the utility model;

[0030] Figure 8 It is a structural schematic diagram of the second contact member provided in the preferred embodiment of the utility model.

[0031] The reference numerals are as follows:

[0032] 1. Plug seat; 10. Outer shell; 11. Card seat body; 110. Card slot; 12. Plug seat body; 13. Plug pressing ring; 14. First contact seat body; 140. First mounting through hole;

[0033] 2. Connector seat; 20. Connector seat body; 200. Waterproof mounting through hole; 201. Waterproof ventilation membrane; 202. Structure maintaining mesh; 203. Pressing ring; 204. Antistatic ring; 205. Electrostatic guide pin; 21. Second contact seat body; 210. Second mounting through hole; 22. Bayonet pin;

[0034] 3. first contact member; 30. core sleeve; 31. first contact; 32. first plug core; 33. spring; 34. elastic collar; 340. fixing part; 341. elastic part; 3410. arm body; 3411. arm end block;

[0035] 4. Second contact piece; 40. Second plug core; 41. Second contact. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0037] In order to solve the above problems, this solution provides an electrical plug, please refer to Figures 1 to 8 , comprising a plug socket 1, a connector socket 2, a first contact member 3 and a second contact member 4, the plug socket 1 is provided with a first mounting through hole 140, the plug socket 1 is provided with a mounting through hole 140; the first contact member 3 is arranged in the first mounting through hole 140, the first contact member 3 comprises a core sleeve 30, a first contact 31, a first plug core 32, a spring 33 and an elastic collar 34; the core sleeve 30 is arranged in the mounting through hole; the first contact 31 is slidably arranged in the core sleeve 30, and the first contact 31 partially extends out of the core sleeve 30 in a manner to prevent it from falling out of the core sleeve 30; the first plug core 32 extends into the core sleeve 30 and is inserted into the first contact 31 The first plug core 32 is movably connected with the first contact 31, and the first plug core 32 is connected with the core sleeve 30; the spring 33 is sleeved in the core sleeve 30, and the spring 33 is used to keep the first contact 31 extending out of the core sleeve 30; the elastic clamp ring 34 is used to elastically abut with the first plug core 32 and the first contact 31; the second contact member 4 is arranged in the second mounting through hole 210, and the second contact member 4 is used to abut with the first contact member 3. When in use, the plug socket 1 and the connector socket 2 are detachably plugged and connected, and the connection between the plug socket 1 and the connector socket 2 is used to abut the first contact member 3 with the second contact member 4 to form an electrical path.

[0038] After adopting this setting, the spring 33 can limit the external shaking of the first contact 31 outside the first contact 31, and the elastic clamping ring 34 inside the first contact 31 can limit the internal shaking of the first contact 31 inside the first contact 31, that is, the internal and external shaking of the first contact 31 are effectively limited by the spring 33 and the elastic clamping ring 34 respectively, so as to avoid the shaking of the first contact 31, maintain good contact, and maintain normal communication.

[0039] In some embodiments of the present application, with respect to the first contact 31, as shown in FIG. Figure 1 , Figure 4 , Figure 6 and Figure 7 As shown, the core sleeve 30 is fixedly connected in the first mounting through hole 140, the core sleeve 30 is fixedly connected to the first plug core 32, the first plug core 32 is electrically connected to the first wire, and the first contact 31 moves up and down along the axial direction of the core sleeve 30, and the first contact 31 is used to abut with the second contact 41. After adopting this setting method, the first contact 31 is installed in the plug socket 1 through the core sleeve 30, and the first contact 31 of the first contact member 3 extends out of the core sleeve 30 and the plug socket 1. After the first contact 31 abuts with the second contact 41, the first contact 31 can move in the core sleeve 30.

[0040] For the elastic collar 34, Figure 7 As shown, in order to realize the elastic abutment function of the elastic clamp ring 34 on the first core 32 and the first contact 31, the elastic clamp ring 34 is sleeved on the outside of the first core 32, and the elastic clamp ring 34 is arranged inside the first contact 31. The inner wall of the elastic clamp ring 34 abuts against the first core 32, and the outer wall of the elastic clamp ring 34 abuts against the first contact 31. After adopting this setting, when the first contact 31 shakes, the shaking of the first contact 31 is transmitted to the elastic clamp ring 34, and the elastic deformation characteristics of the elastic clamp ring 34 can effectively absorb the shaking of the first contact 31.

[0041] Preferably, if Figure 7As shown, the elastic collar 34 is provided with a fixing portion 340 and an elastic portion 341; the fixing portion 340 is hollow and has two ends through to form a first installation channel; the elastic portion 341 is hollow and has two ends through to form a second installation channel; the first installation channel is connected to the second installation channel, and the first installation channel and the second installation channel are both used for inserting the first plug core 32; the outer wall of the fixing portion 340 abuts against the first contact 31, and the inner wall of the fixing portion 340 is separated from the first plug core 32; the inner wall of the elastic portion 341 abuts against the first plug core 32. After adopting this setting, the fixing portion 340 abuts against the first contact 31, and the elastic portion 341 abuts against the first plug core 32. The first contact 31 and the first plug core 32 improve the stability of the connection through the elastic collar 34, and the vibration or shaking of the first contact 31 is transmitted to the fixing portion 340, and the fixing portion 340 is transmitted to the elastic portion 341 for absorption, which can effectively limit the shaking of the first contact 31.

[0042] The fixing portion 340, such as Figure 7 As shown, the fixing portion 340 includes an annular collar, the outer wall of which abuts against the inner wall of the first contact 31 , and the outer diameter of the annular collar is greater than the outer diameter of the elastic portion 341 .

[0043] The elastic portion 341, as Figure 7 As shown, the elastic portion 341 is composed of a plurality of extension arms; the plurality of extension arms enclose the second mounting channel, and the second mounting channel narrows along the insertion direction of the first plug core 32; the plurality of extension arms are all connected to the fixing portion 340, and the adjacent extension arms are separated, and the ends of the plurality of extension arms are all abutted against the first plug core 32. After adopting this setting, the second mounting channel is an inverted cone-shaped space, the wide end of the inverted cone abuts against the first contact 31, and the narrow end of the inverted cone abuts against the first plug core 32, further limiting the swing of the first contact 31.

[0044] Specifically, Figure 7 As shown, the extension arm includes an arm body 3410 and an arm end block 3411; the arm end block 3411 is arranged at one end of the arm body 3410 away from the fixing portion 340, and the arm body 3410 is fixedly connected to the arm end block 3411; a plurality of the arm end blocks 3411 form a ring for strengthening the abutment strength, and when the extension arm abuts against the first insert 32, the ring structure formed by the arm end block 3411 can increase the abutment strength.

[0045] In some embodiments of the present application, regarding the second contact 41 4, as shown in FIG. Figure 8As shown, the second contact member 4 is installed on the connector seat 2, and the second contact member 4 includes a second plug core 40 and a second contact 41. The second contact 41 is sleeved and installed on the second plug core 40, and the second plug core 40 is electrically connected to the second electric wire. A plug core mounting position is provided on the second contact 41, and the plug core mounting position is used to install the second plug core 40; the second plug core 40 is made of metal materials with good conductivity such as copper, and the second contact 41 is made of metal materials with good conductivity and corrosion resistance such as stainless steel. After adopting this setting method, good conductivity and corrosion resistance can be obtained.

[0046] In some embodiments of the present application, with respect to the above-mentioned plug socket 1, as Figures 1 to 4 As shown, the plug socket 1 is used for detachably connecting with the connector socket 2 so that the first contact 31 and the second contact 41 abut against each other and form an electrical path. The plug socket 1 is composed of an outer shell 10, a socket body 11, a plug socket body 12, a plug pressure ring 13 and a first contact socket body 14. The outer shell 10 is sleeved on the outside of the socket body 11, and the outer shell 10 and the socket body 11 are fixedly engaged. The socket body 11 is sleeved on the outside of the plug socket body 12, and the plug socket body 12 and the socket body 11 are rotatably connected. The first contact socket body 14 is fixedly sleeved on the inner side of the plug socket body 12 through the plug pressure ring 13. A plurality of first mounting through holes 140 are provided on the first contact socket body 14, and a first contact member 3 is installed in each of the plurality of first mounting through holes 140. The first core 32 of the first contact member 3 is engaged on the first mounting through hole 140, and the first contact 31 can move up and down on the axis of the first mounting through hole 140.

[0047] It should be pointed out that, in some embodiments of the present application, the outer shell 10 and the socket body 11 can be separate or integrated, and technical personnel in this field can make a choice according to their actual needs; and, in some embodiments of the present application, the outer shell 10, the socket body 11, the plug socket body 12, the pressure ring 203 and the first contact socket body 14 can be separate or integrated.

[0048] Furthermore, in order to increase the antistatic and pressure-resistant capabilities of the product, the plug seat body 12 and the pressure ring 203 are both made of insulating materials to increase the creepage distance and electrical clearance, thereby improving the antistatic and pressure-resistant capabilities of the product.

[0049] It should be pointed out that the insulating material includes but is not limited to rubber, silicone and other materials. As long as the selected insulating material meets the insulation requirements in the endoscope field, those skilled in the art can make the selection.

[0050] In some embodiments of the present application, with respect to the above-mentioned connector base 2, as Figures 1 to 5As shown, the connector base 2 is used to be detachably connected to the plug base 1 so that the second contact 41 abuts against the first contact 31 and forms an electrical path. The connector base 2 is composed of a connector base body 20 and a second contact base body 21. The connector base body 20 is sleeved outside the second contact base body 21, and the second contact base body 21 is fixedly connected to the inner side of the connector base body 20. The second contact base body 21 is provided with a plurality of second mounting through holes 210, and the plurality of second contact members 4 are respectively fixedly installed in different second mounting through holes 210.

[0051] It should be pointed out that in some embodiments of the present application, the connector seat 2 is made of waterproof material to achieve a good waterproof seal inside the endoscope, and the connector seat body 20 and the second contact seat body 21 and the pin 22 can be separate or integrated.

[0052] Furthermore, in order to prevent the endoscope from being damaged due to drastic changes in external air pressure, Figure 5 As shown, a waterproof installation through hole 200 is also provided on the end face of the connector seat body 20, and a waterproof ventilation membrane 201 and a structure maintaining mesh 202 are installed in the waterproof installation through hole 200; the waterproof ventilation membrane 201 is installed in the waterproof installation through hole 200, and the structure maintaining mesh 202 is provided on at least one side of the waterproof ventilation membrane 201, and the structure maintaining mesh 202 is abutted against the waterproof ventilation membrane 201. After adopting this setting method, the setting of the waterproof ventilation membrane can, on the one hand, maintain the good waterproof and corrosion resistance of the connector seat 2, and the insertion part and the operating part of the endoscope can be disinfected without installing a sealing cover. On the other hand, it can also avoid the problem of internal damage to the endoscope due to drastic changes in external air pressure.

[0053] Preferably, if Figure 3 As shown, structure-maintaining meshes 202 are fixed on both sides of the membrane surface of the waterproof ventilation membrane 201. After adopting this setting method, both sides of the waterproof ventilation membrane are protected by the structure-maintaining meshes 202. The waterproof ventilation membrane 201 is wrapped with the structure-maintaining mesh to make it easier to install. During disinfection and leak detection, the impact of gas and liquid on the waterproof ventilation membrane 201 is weakened, the risk of product damage is reduced, and the reliability and service life of the product are improved. It is installed on the step through hole on the connector seat 2 and is tightened and fixed using a pressing ring 203.

[0054] Specifically, Figure 3As shown, the waterproof installation through hole 200 includes a wide section and a narrow section, the diameter of the wide section is larger than that of the narrow section, the wide section is arranged on one side adjacent to the plug socket 1, a clamping platform is formed between the wide section and the narrow section, the waterproof ventilation membrane 201 is clamped on the clamping platform, a structure maintaining mesh 202 is arranged between the waterproof ventilation membrane 201 and the clamping platform, another structure maintaining mesh 202 and a pressing ring 203 are arranged on the other side of the waterproof ventilation membrane 201, the pressing ring 203 is arranged in the waterproof installation through hole 200, the pressing ring 203 abuts against another structure maintaining mesh 202 to fix the waterproof ventilation membrane 201 and the structure maintaining mesh 202, after adopting this setting method, the wire mesh 202 wraps the waterproof ventilation membrane 201 for easier installation to fix the waterproof ventilation membrane 201.

[0055] It should be pointed out that in some embodiments of the present application, the options for the structure maintaining net 201 include but are not limited to wire mesh, that is, it can be replaced with other porous, supportive materials, such as plastic sheets, plastic nets, etc., and there are many ways of superposition / combination.

[0056] Furthermore, in some embodiments of the present application, in order to achieve the purpose of anti-static of the endoscope, an anti-static ring 204 and an electrostatic guide pin 205 are provided in the connector seat 2; the anti-static ring 204 is sleeved on the outside of the second wire of the second contact piece 4, one end of the electrostatic guide pin 205 is connected to the anti-static ring 204, and the other end of the electrostatic guide pin 205 is connected to the connector seat 2.

[0057] It should be noted that, in some embodiments of the present application, the electrostatic guide pin 205 may be a screw, a pin, a pin column, a metal bar / block, and a component having connection and conductive functions.

[0058] Furthermore, in some embodiments of the present application, in order to realize the detachable plug-in connection between the connector seat 2 and the plug seat 1, a card slot 110 is provided on the inner wall of the card seat body 11 of the plug seat 1, and a magnet mounting slot is provided on the first contact seat body 14 of the plug seat 1, and a magnet is installed in the first contact seat body 14; a magnet mounting through hole is provided on the connector seat body 20 of the connector seat 2, and a magnet is provided in the magnet mounting through hole, and a bayonet 22 is provided on the outer wall of the connector seat body 20 of the connector seat 2, and the plug seat 1 and the connector seat 2 are magnetically connected by the magnet and slidingly connected by the bayonet 22 and the card slot 110. After adopting this setting method, the use of the magnet and the bayonet 22 can realize the quick and firm connection of the plug; and the connector seat 2 can be used as a socket during electrical connection, and can be connected to a leak detector during sealing testing, without the need to add a new leak detection valve. Endoscopes need to be tested for air tightness. Conventional endoscopes have a leak detection valve designed separately on the outside of the endoscope to connect to a leak detector for leak detection. The connector seat 2 of this patent can be directly connected to the leak detector without adding a new leak detection valve. The leak detection valve and the electrical connector are combined into one, which reduces costs and makes the appearance of the endoscope more beautiful, which is also beneficial to the doctor's clinical surgical operation.

[0059] It should be noted that in some embodiments of the present application, the above-mentioned fixed sleeve connection can also be a screw connection, bonding, plug connection, inlay connection, etc. or a combination of these methods.

[0060] In some embodiments of the present application, the electrical plug is used in an endoscope, that is, the connector socket 2 is installed on the endoscope operating part, and the plug socket 1 is installed on the display part. After adopting this setting method, the insertion part and the operating part can be disinfected without installing a sealing cover on the connector socket 2, and the problem of damage to the endoscope due to drastic changes in external air pressure can also be avoided.

[0061] The above is a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications are also considered to be within the protection scope of the present invention.

Claims

1. An electrical plug, characterized in that: include: A plug socket, wherein the plug socket is provided with a first mounting through hole; A connector base, wherein the connector base is provided with a second mounting through hole; A first contact member, the first contact member is arranged in the first mounting through hole, the first contact member comprises a core sleeve, a first contact, a first plug core, a spring and an elastic collar; the core sleeve is arranged in the mounting through hole; the first contact is slidably arranged in the core sleeve, and the first contact partially extends out of the core sleeve in a manner to prevent it from slipping out of the core sleeve; the first plug core extends into the core sleeve and is inserted into the first contact, the first plug core is movably connected with the first contact, and the first plug core is connected to the core sleeve; the spring is arranged in the core sleeve, and the spring is used to keep the first contact from extending out of the core sleeve; the elastic collar is used to elastically abut against the first plug core and the first contact; A second contact member is disposed in the second mounting through hole, the second contact member comprises a second plug core and a second contact connected to each other, and the second contact is used to abut against the first contact.

2. An electrical plug according to claim 1, characterized in that: The elastic collar is sleeved outside the first ferrule, the elastic collar is arranged inside the first contact, the inner wall of the elastic collar abuts against the first ferrule, and the outer wall of the elastic collar abuts against the first contact.

3. An electrical plug according to claim 2, characterized in that: The first contact is provided with a plug core mounting hole; Along the insertion direction of the first ferrule, the ferrule installation hole comprises a wide section and a narrow section in sequence, and a clamping platform is formed between the wide section and the narrow section; The elastic clamp ring can be movably clamped on the clamping platform; The first ferrule can be selectively inserted into the narrow section.

4. An electrical plug according to claim 2, characterized in that: The elastic collar is provided with a fixing portion and an elastic portion; The fixing portion is hollow and has two ends connected to form a first installation channel; The elastic part is hollow and has two ends connected to form a second installation channel; The first installation channel is communicated with the second installation channel, and both the first installation channel and the second installation channel are used for inserting the first ferrule; The outer wall of the fixing portion abuts against the first contact; The inner wall of the elastic portion abuts against the first ferrule.

5. An electrical plug according to claim 4, characterized in that: The elastic portion includes a plurality of extension arms; The plurality of extension arms enclose and form the second installation channel, and the second installation channel narrows along the insertion direction of the first ferrule; The plurality of extension arms are all connected to the fixing portion, adjacent extension arms are separated, and ends of the plurality of extension arms are all in contact with the first insert.

6. An electrical plug according to claim 5, characterized in that: The extension arm comprises an arm body and an arm end block; The arm end block is arranged at one end of the arm body away from the fixing portion, and the arm body is fixedly connected to the arm end block; The plurality of arm end blocks form a ring for enhancing abutment strength.

7. An electrical plug according to claim 1, characterized in that: The outer wall of the first contact is provided with a contact outer edge; The outer wall of the first insert is provided with an insert outer edge; The spring is compressed between the outer edge of the insert core and the outer edge of the contact.

8. An electrical plug according to claim 1, characterized in that: The joint seat is provided with a waterproof installation through hole; A waterproof ventilation membrane and a structure-maintaining mesh are installed in the waterproof installation through hole; The waterproof breathable membrane is installed in the waterproof installation through hole. The structure-maintaining mesh is provided on at least one side of the waterproof breathable membrane, and the structure-maintaining mesh is in contact with the waterproof breathable membrane.

9. An electrical plug according to claim 1, characterized in that: The connector seat is provided with an anti-static ring and an electrostatic guide pin; The antistatic ring is sleeved in the second contact piece, one end of the electrostatic guide pin is connected to the antistatic ring, and the other end of the electrostatic guide pin is connected to the connector seat.

10. An endoscope, characterized in that An electrical plug according to any one of claims 1 to 9 is used.

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