CN219226756U

CN219226756U - Electric connection mechanism and endoscope

Info

Publication number: CN219226756U
Application number: CN202320165216.8U
Authority: CN
Inventors: 胡永杰; 董得超; 吴郁清; 杨昌陈; 张烽成; 焦路成
Original assignee: Suzhou Oupu Mandi Technology Co ltd
Current assignee: Suzhou Oupu Mandi Technology Co ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-06-20
Anticipated expiration: 2033-02-09

Abstract

The utility model provides an electric connection mechanism and an endoscope. The electric connection mechanism comprises a plug assembly which is fixedly connected with the endoscope; the socket assembly is fixedly connected with external equipment; the plug assembly is provided with first electric connecting pieces which are uniformly arranged along the circumferential direction of the plug assembly, the socket assembly is provided with second electric connecting pieces at positions corresponding to the first electric connecting pieces, the inner diameter of the socket assembly is larger than or equal to the outer diameter of the plug assembly, the socket assembly is sleeved on the outer side of the plug assembly, and the first electric connecting pieces are electrically connected with the second electric connecting pieces. According to the technical scheme of the utility model, when the endoscope is connected with external equipment, the first electric connecting piece of the plug assembly and the second electric connecting piece of the socket assembly can be connected with each other to perform signal transmission, other devices are not required to be additionally arranged at the end of the endoscope body, the signal transmission is stable, and the endoscope is not easy to damage.

Description

Electric connection mechanism and endoscope

Technical Field

The utility model relates to the technical field of endoscopes, in particular to an electric connection mechanism and an endoscope.

Background

The endoscope device is required to be connected to an external video processor, a light source device, or the like, and is connected to the external video processor, the light source device, or the like via an electrical connector.

The existing electric connection mechanisms in the market at present are basically in a stepped boss structure or are connected by additionally arranging reinforcing ribs at the end of the mirror body and are connected through metal contacts. The existing electric connector is complex in structure, poor in assembly, and long in time consumption when an endoscope is connected with external equipment, and working efficiency is affected. Meanwhile, because frequent plugging and unplugging operations can be carried out in use, poor contact of metal electric contact points and abnormal signal transmission are easily caused, so that the normal use of the endoscope is affected.

In view of the foregoing, it is desirable to provide an electrical connection mechanism for an endoscope that is simple in structure, capable of effectively improving assembly efficiency, and enlarging a contact surface, so that a transmitted signal is enhanced, noise radiation can be suppressed, poor contact is not easy, a transmission effect is good, and the electrical connection mechanism is clearer in transmitting an image.

Disclosure of Invention

The utility model aims to provide an electric connection mechanism applied to an endoscope, which can enable the endoscope to transmit signals with external equipment when the endoscope is connected with the external equipment, so that poor contact can not be easily caused when the electric connection mechanism is used, the transmission quality is effectively improved, and meanwhile, the electric connection mechanism is simple in structure, assembly parts are reduced, and the assembly efficiency is effectively improved.

To achieve the above object, the present utility model provides an electrical connection mechanism including: the plug assembly is fixedly connected with the endoscope; the socket assembly is fixedly connected with external equipment; the plug assembly is provided with first electric connecting pieces which are uniformly arranged along the circumferential direction of the plug assembly, the socket assembly is provided with second electric connecting pieces at positions corresponding to the first electric connecting pieces, the inner diameter of the socket assembly is larger than or equal to the outer diameter of the plug assembly, the socket assembly is sleeved on the outer side of the plug assembly, and the first electric connecting pieces are electrically connected with the second electric connecting pieces.

As a further improvement of the utility model, the plug assembly further comprises a plug shell and a plug annular circuit board, wherein the first electric connecting piece is uniformly arranged on the outer side of the plug shell and at least partially exposed out of the plug shell, the plug annular circuit board is propped against the inner wall of the plug shell, the plug annular circuit board further comprises a first through hole and a second through hole, and the air insertion pipe and the light guide rod of the endoscope respectively pass through the first through hole and the second through hole and then are exposed out of the electric connecting mechanism to be connected with external equipment.

As a further improvement of the utility model, the plug annular circuit board is provided with a mounting hole, one end of the plug shell, which is far away from the socket assembly, is provided with a penetrating hole corresponding to the first electric connecting piece, one end of the first electric connecting piece is arranged in the mounting hole and is electrically connected with the plug annular circuit board, and the other end of the first electric connecting piece is folded and passes through the penetrating hole and then is folded and clung to the outer wall of the plug shell to extend axially towards the direction of the socket assembly.

As a further development of the utility model, the plug housing outer wall has grooves which are distributed uniformly in the circumferential direction, in which grooves the first electrical connection elements are arranged.

As a further improvement of the utility model, the plug shell further comprises a clamping part, wherein the clamping part is clamped with a corresponding buckle arranged on the inner wall of the endoscope shell, so that the plug shell is in buckle connection with the endoscope shell.

As a further improvement of the utility model, the socket assembly further comprises a socket shell and a socket annular circuit board, wherein the diameter of the socket annular circuit board is larger than that of the socket shell, one side of the socket annular circuit board, which is close to the endoscope, is abutted against the end face of one side, which is far away from the endoscope, of the socket shell, and the other side of the socket annular circuit board is connected with the external equipment.

As a further improvement of the utility model, the socket shell is provided with a step part extending inwards at one end far away from the endoscope, the socket assembly further comprises a pressing shell, the pressing shell is sleeved in the socket shell, one end far away from the endoscope of the pressing shell is abutted against the inner wall of the step part, and a connecting cavity is formed between the socket shell and the pressing shell.

As a further improvement of the utility model, one end of the second electric connector is electrically connected with the socket annular circuit board and exposed out of the socket annular circuit board to form an external connection end, and the other end of the second electric connector is inserted into the socket shell, turned over and penetrated through the socket shell and then axially extended against the inner wall of the socket shell back to the endoscope direction to form an internal connection end.

As a further improvement of the utility model, the inner connecting end is an elastic surface, and when the plug assembly is connected with the socket assembly, the inner connecting end and the first electric connecting piece are tightly pressed and attached in the connecting cavity.

Another object of the present utility model is to provide an endoscope having the above-described electrical connection mechanism.

To achieve the above object, the present utility model provides an endoscope including the above-described plug assembly and socket assembly.

The beneficial effects of the utility model are as follows: when the endoscope is connected with external equipment, only the plug assembly is connected with the socket assembly, and the first electric connecting piece on the plug assembly is attached to the second electric connecting piece on the socket assembly, so that signal transmission between the endoscope and the external equipment can be realized. And through setting the inscription end of second electric connector as the elastic surface to and the design in the structural aspects such as first electric connector setting and recess, reduced the possibility that causes the damage to electric connector spare part in the connection process at every turn, promoted electric coupling mechanism's reliability and durability. The electric connector is simple in structure and easy to assemble. The connection process is convenient to operate, the learning period and the cost are low, and the use convenience of the endoscope is also effectively improved.

Drawings

Fig. 1 is a perspective view of an electrical connection mechanism according to a preferred embodiment of the present utility model.

Fig. 2 is a perspective view of the plug assembly of fig. 1.

Fig. 3 is an exploded view of the structure of fig. 2.

Fig. 4 is a perspective view of the receptacle assembly of fig. 1.

Fig. 5 is an exploded view of the structure of fig. 4.

Fig. 6 is an assembled cross-sectional view of an electrical connection mechanism and endoscope of a preferred embodiment of the present utility model.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in detail with reference to the accompanying drawings and specific embodiments.

In this case, in order to avoid obscuring the present utility model due to unnecessary details, only the structures and/or processing steps closely related to the aspects of the present utility model are shown in the drawings, and other details not greatly related to the present utility model are omitted.

In addition, it should be further noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Referring to fig. 1-6, an electrical connection mechanism 300 is provided for an endoscope. When the endoscope is used, the endoscope needs to be communicated with external image transmission equipment and light source equipment, so that the endoscope can be conveniently used for imaging and detecting in the use process. The electric connection mechanism 300 provided by the utility model can be used for rapidly realizing connection between the endoscope and external equipment, and has the advantages of simple structure, convenience in operation and durability.

The electrical connection mechanism 300 includes a plug assembly 320 and a socket assembly 310, wherein one end of the plug assembly 320 is fixedly connected with the endoscope, and one end of the socket assembly 310 is fixedly connected with an external light source device and an image transmission device. The plug assembly 320 is provided with first electrical connectors 321 uniformly arranged along the circumferential direction of the plug assembly 320, the socket assembly 310 is provided with second electrical connectors 312 corresponding to the first electrical connectors 321, the inner diameter of the socket assembly 310 is greater than or equal to the outer diameter of the plug assembly 320, when the plug assembly 320 is connected, the socket assembly 310 is sleeved outside the plug assembly 320, and the first electrical connectors 321 of the plug assembly 320 are attached to the second electrical connectors 312 of the socket assembly 310, so that signal transmission can be performed.

Through the cooperation of plug assembly 320 and socket assembly 310, with endoscope and external light source equipment and image processing equipment connection fixed, the simple structure of electric coupling mechanism 300 mechanism, convenient operation is swift. Compared with the traditional stepped boss structure and the mode of installing the strengthening rib additional at the mirror body, durable is more, and first electric connector 321 is along the circumference evenly distributed of plug subassembly 320, second electric connector 312 corresponds also along the circumference evenly distributed of socket subassembly 310, through evenly distributed's setting, the atress is even when first electric connector 321 and second electric connector 312 contact, can not have eccentric atress, avoid appearing leading to the poor contact because of the atress is uneven, can not appear signal transmission unstable situation easily, signal transmission's stability and life have been strengthened.

In some embodiments, the plug assembly 320 comprises a plug housing 323 and a plug annular circuit board 322, the first electrical connector 321 is uniformly disposed on the outer side of the plug housing 323 and at least partially exposed to the plug housing 323, the plug annular circuit board 322 abuts against the inner wall of the plug housing 323, the plug annular circuit board 322 further comprises a first through hole 328 and a second through hole 327, and the air-inserted tube 330 and the light-guiding rod 340 of the endoscope respectively pass through the first through hole 328 and the second through hole 327 and then are exposed to the electrical connection mechanism 300 to be connected with the external device. The gas cannula 330 and the light guide rod 340 of the endoscope need be connected with external equipment, and the positions of the gas cannula 330 and the light guide rod 340 do not need to be changed by arranging the first through hole 328 and the second through hole 327, so that the influence on the overall structure of the endoscope is reduced.

In some embodiments, the plug annular circuit board 322 has a mounting hole, one end of the plug housing 323 far away from the socket assembly 310 is provided with a penetrating hole corresponding to the first electrical connector 321, one end of the first electrical connector 321 is mounted in the mounting hole and electrically connected with the plug annular circuit board 322, and the other end of the first electrical connector is folded and folded to penetrate through the penetrating hole and then folded and clung to the outer wall of the plug housing 323 to extend axially towards the direction of the socket assembly 310. Through being fixed in the plug annular circuit board 322 with the one end of first electric connector 321, the other end pierces through plug casing 323 and turns over the direction axial extension towards socket assembly 310 after turning over, can increase the contact surface of first electric connector 321 like this, more be favorable to the transmission of signal, and on the outer wall of plug shell is hugged closely to first electric connector 321 for socket assembly 310 and plug assembly 320 go on being connected the process more smooth, reduce the resistance in the connection process.

In some embodiments, the plug housing 323 outer wall has circumferentially evenly distributed grooves 326, and the first electrical connector 321 is disposed within the grooves 326. If the first electrical connector 321 is directly attached to the outer wall of the plug housing 323, in the process of repeatedly plugging the plug assembly 320 and the socket assembly 310, the first electrical connector 321 is easy to tilt, damage to components of the electrical connection mechanism 300 mechanism and poor contact are easy to occur, the first electrical connector 321 can be arranged in the first electrical connector 321 by arranging the groove 326 on the outer wall of the plug housing 323, in the process of connection, the first electrical connector 321 cannot be touched with other parts of the socket assembly 310 before being attached to the second electrical connector 312 in the socket assembly 310 due to the protection of the groove 326 structure, the position of the first electrical connector 321 is not moved, and the service life of the first electrical connector 321 is effectively prolonged.

In some embodiments, the plug housing 323 further includes a clamping portion 324, where the clamping portion 324 is clamped with a corresponding buckle on the inner wall of the endoscope housing to fix the position of the plug housing 323 and the endoscope housing. In order to better fix the plug assembly 320 and the endoscope, the plug housing 323 is provided with the clamping portion 324 corresponding to the clamping arrangement on the endoscope shell, and after the clamping portion 324 of the plug housing 323 is clamped with the clamping arrangement of the endoscope, the plug assembly 320 can be fixedly connected with the endoscope, and the plug assembly 320 cannot rotate relative to the endoscope, so that a stable transmission effect is ensured.

In some embodiments, the socket assembly 310 is composed of a socket housing 313 and a socket annular circuit board 311, the diameter of the socket annular circuit board 311 is larger than that of the socket housing 313, one side of the socket annular circuit board 311 close to the endoscope is abutted against the end face of one side of the socket housing 313 away from the endoscope, and the other side is connected with external equipment. The socket assembly 310 is similar in structure to the plug assembly 320, and includes a socket ring circuit board 311 fixed by an outermost socket housing 313 and for connection with an external light source or an image processing apparatus, and the connection of the endoscope with the external apparatus and the signal transmission are realized through the socket ring circuit board 311.

In some embodiments, the end of the socket housing 313 away from the endoscope extends inward to form a step portion, the socket assembly 310 further includes a pressing housing 314, the pressing housing 314 is sleeved in the socket housing 313, the end of the pressing housing 314 away from the endoscope abuts against the inner wall of the step portion, and a connection cavity 315 is formed between the socket housing 313 and the pressing housing 314. By providing the compression housing 314, a connection cavity 315 is formed before the socket housing 313 and the compression housing 314, in which the second electrical connector 312 can be accommodated, and when connection is performed, the plug housing 323 is embedded in the connection cavity 315, so that the first electrical connector 321 is tightly connected with the second electrical connector 312, sufficient contact between the first electrical connector 321 and the second electrical connector 312 is ensured, and stability of signal transmission is ensured.

In some embodiments, one end of the second electrical connector 312 is electrically connected to the socket annular circuit board 311 and is exposed to the socket annular circuit board 311 to form an external connection end 3121, and the other end of the second electrical connector 312 is inserted into the socket housing 313 and turned over to penetrate through the socket housing 313 and then axially extend back to the endoscope direction against the inner wall of the socket housing 313 to form an internal connection end. When the socket assembly 310 is connected to the plug assembly 320, the inner contact end 3122 of the second electrical connector 312 is engaged with the first electrical connector 321 within the connection cavity 315, whereby signals are transmitted between the endoscope and the external device through the second electrical connector 312 and the first electrical connector 321.

In some embodiments, the inner contact 3122 is an elastic surface, and when the plug assembly 320 is connected to the socket assembly 310, the inner contact 3122 and the first electrical connector 321 are tightly fitted in the connection cavity 315. In the process that the second electrical connector 312 is in contact with the first electrical connector 321, if the contact surfaces are inelastic, the situation of loose fitting is easy to occur, if the contact surfaces are too tight, the mutual friction force can be increased in the connecting process, and the contact surfaces of the first electrical connector 321 and the second electrical connector 312 are easy to damage.

An endoscope comprises the electrical connection mechanism 300 according to the above embodiment, wherein the electrical connection mechanism 300 comprises a plug assembly 320 and a socket assembly 310, the plug assembly 320 comprises a plug housing 323, a plug annular circuit board 322, a first electrical connector 321, and the socket assembly 310 comprises a socket housing 313, a socket annular circuit board 311, and a second electrical connector 312. One end of the socket assembly 310 is fixedly connected to the endoscope, and one end of the socket assembly 310 is fixedly connected to an external device.

In summary, when the endoscope is connected to the external device, the signal transmission between the endoscope and the external device can be achieved by only joining the plug assembly 320 and the socket assembly 310 and attaching the first electrical connector 321 on the plug assembly 320 to the second electrical connector 312 on the socket assembly 310. And by arranging the inner connection end 3122 of the second electrical connector 312 as an elastic surface and arranging the first electrical connector 321 and the groove 326, the possibility of damaging the components of the electrical connection mechanism 300 in each connection process is reduced, and the reliability and durability of the electrical connection mechanism 300 are improved. And the electrical connection mechanism 300 is simple in structure and easy to assemble. The connection process is convenient to operate, the learning period and the cost are low, and the use convenience of the endoscope is also effectively improved.

The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. An electrical connection mechanism for use with an endoscope, the electrical connection mechanism comprising:

the plug assembly is fixedly connected with the endoscope;

the socket assembly is fixedly connected with external equipment;

the plug assembly is provided with first electric connecting pieces which are uniformly arranged along the circumferential direction of the plug assembly, the socket assembly is provided with second electric connecting pieces at positions corresponding to the first electric connecting pieces, the inner diameter of the socket assembly is larger than or equal to the outer diameter of the plug assembly, the socket assembly is sleeved on the outer side of the plug assembly, and the first electric connecting pieces are electrically connected with the second electric connecting pieces.

2. The electrical connection mechanism of claim 1, wherein the plug assembly further comprises a plug housing and a plug annular circuit board, the first electrical connector is uniformly arranged on the outer side of the plug housing and at least partially exposed out of the plug housing, the plug annular circuit board is abutted against the inner wall of the plug housing, the plug annular circuit board further comprises a first through hole and a second through hole, and the air insertion tube and the light guide rod of the endoscope respectively pass through the first through hole and the second through hole and then are exposed out of the electrical connection mechanism to be connected with the external device.

3. The electrical connection mechanism of claim 2, wherein the plug annular circuit board has a mounting hole, one end of the plug housing, which is far away from the socket assembly, is provided with a penetrating hole corresponding to the first electrical connector, one end of the first electrical connector is mounted in the mounting hole and is electrically connected with the plug annular circuit board, and the other end of the first electrical connector is folded and folded to penetrate through the penetrating hole and then is folded and clung to the outer wall of the plug housing to extend axially towards the socket assembly.

4. The electrical connection mechanism of claim 2, wherein the plug housing outer wall has circumferentially evenly distributed grooves, the first electrical connector being disposed within the grooves.

5. The electrical connection mechanism of claim 2, wherein the plug housing further comprises a snap-fit portion that snaps into engagement with a correspondingly disposed snap-fit on the inner wall of the endoscope housing to snap-fit the plug housing to the endoscope housing.

6. The electrical connection mechanism of claim 1, wherein the socket assembly further comprises a socket housing and a socket annular circuit board, the socket annular circuit board having a diameter larger than that of the socket housing, one side of the socket annular circuit board adjacent to the endoscope being in abutment with an end face of a side of the socket housing remote from the endoscope, the other side being connected to the external device.

7. The electrical connection mechanism of claim 6, wherein the socket housing has a stepped portion extending inwardly from an end thereof remote from the endoscope, the socket assembly further comprises a compression housing, the compression housing is disposed within the socket housing, the end thereof remote from the endoscope abuts against an inner wall of the stepped portion, and a connection cavity is formed between the socket housing and the compression housing.

8. The electrical connection mechanism of claim 7, wherein one end of the second electrical connector is electrically connected with the socket annular circuit board and exposed out of the socket annular circuit board to form an external connection end, and the other end is inserted into the socket housing and turned over to penetrate through the socket housing and then axially extend against the inner wall of the socket housing and back to the endoscope direction to form an internal connection end.

9. The electrical connection mechanism of claim 8, wherein the inner terminal is a resilient surface that is in compression fit with the first electrical connector within the connection cavity when the plug assembly is connected to the receptacle assembly.

10. An endoscope comprising an electrical connection mechanism as claimed in any one of claims 1 to 9.