CN102804515A - Connector connection system, light source device, and endoscope - Google Patents

Abstract

The present invention is characterized in that the connector (5) is provided with a first electrical contact and a key (6), and the connector base (20) is provided with a second electrical contact, a cover member (40), a keyway and a locking member (70). When the connector (5) is connected to the connector base (20), the key part abuts against the locking part (70), pushes up the locking part (70), and releases the fixing of the locking part (70) to the cover part (40), The end surface (15af) of the connector (5) pushes the cover part (40) forward, so that the cover part (40) moves to the second position, and the first electrical contact is electrically connected to the second electrical contact.

Description

Connector connection systems, light source units and endoscopes

technical field

The present invention relates to a connector connection system, a light source device, and an endoscope including a connector and a connector holder connected to the connector.

Background technique

In recent years, endoscopes have been widely used in medical and industrial fields. In the endoscope used in the medical field, by inserting the elongated insertion part into the body cavity, the organs in the body cavity can be observed, or if necessary, the endoscope is inserted into the treatment instrument insertion channel. Disposal implements for various disposals.

Here, among endoscopes having a structure for irradiating light provided by a light source device in a body cavity using a light guide provided in the endoscope, a structure as follows is known: In the endoscope connector, by connecting the endoscope connector to the connector seat provided on the light source device, the elongated light guide connector (hereinafter referred to as "LG connection") provided in the endoscope connector Connectors"), air supply connectors, etc. are inserted into the holes formed in the connector base for connection, and after the connection, the electrical connector provided in the endoscope connector is electrically connected to the inside through the connection cable. The motion control of the scope is performed using a known video processor.

However, in this structure, the operator needs to perform the following two operations when using the endoscope: the operation of connecting the endoscope connector to the connector holder of the light source device, inserting and connecting the LG connector, the air supply connector, etc. ; and the operation of electrically connecting the electrical connector to the video processor via the connection cable is very complicated for the operator.

In view of this situation, Japanese Unexamined Patent Publication No. 2002-34912 discloses a structure in which a second electrical contact is provided in a connector housing of a light source device connected to an endoscope connector, and the second electrical contact is connected to the endoscope connector. The first electrical contact of the electrical connector provided on the endoscope connector is electrically connected, and a connector connection system composed of a connector seat of the light source device and an endoscope connector connected with the connector seat is disclosed. In addition, in the light source device disclosed in Japanese Patent Laid-Open No. 2002-34912, the light source device and the video processor are electrically connected by a connection cable.

According to the structure of such a connector connection system, when the operator connects the endoscope connector to the connector holder of the light source device, not only the LG connector is fitted into the hole of the connector holder for connection, but also the first electrical contact and The second electrical contact is electrically connected, and the electrical connector is electrically connected to the video processor through a connection cable. Therefore, the operator can perform the work of fitting and connecting the LG connector or the like into the hole of the connector holder of the light source device and the work of electrically connecting the electrical connector to the video processor in one operation.

However, in the connector connection system disclosed in Japanese Patent Application Laid-Open No. 2002-34912, when the endoscope connector is pulled out from the connector holder, that is, the endoscope connector is not connected to the connector holder. In this state, the second electrical contact is exposed from the connector housing, so there is a problem that foreign matter such as dust is likely to adhere to the exposed second electrical contact.

In view of this problem, a structure has also been considered in which the second electrical contact is covered with a protective cover when the endoscope connector is not connected to the connector holder, and only after the endoscope connector is connected to the The protective cover is removed when the connector is seated, but in this structure, there is a problem that attachment and detachment of the protective cover is complicated.

In addition, in the connector connection system disclosed in Japanese Patent Laid-Open No. 2002-34912, since the fixing structure of the endoscope connector after the endoscope connector is connected to the connector holder is not disclosed, there is such a Problem: After connection, when the endoscope connector is turned, the connection status of the first electrical contact with respect to the second electrical contact is bad.

In addition, the above-mentioned problems are not limited to the case of connecting the endoscope connector to the connector holder of the light source device, and are the same in the configuration in which the connector having electrical contacts is connected to the connector holder having electrical contacts.

The present invention has been accomplished in view of the above problems, and its purpose is to provide a connector connection system, which has the following structure: the connector connected to the connector seat can be easily positioned, and can be easily positioned The structure protects the electrical contacts of the connector holder which is not connected to the connector, and can easily expose the electrical contacts of the connector holder when the connector is connected.

Contents of the invention

means to solve the problem

A connector connection system according to one aspect of the present invention includes a connector and a connector holder connected to the connector, wherein the connector includes: a first electrical contact provided on the outer periphery of a case portion of the connector. surface; and a key portion, which is provided on the outer peripheral surface of the housing portion of the connector, and the connector seat is provided with: a second electrical contact, which is connected to the connector seat when the connector is connected to the connector seat. The first electrical contact is electrically connected; the cover member is movable between a first position covering the second electrical contact and a second position exposing the second electrical contact; a keyway is provided in the connector When connected to the connector base, the position of the connector relative to the rotation direction of the connector base is prescribed by fitting the key; and a locking member is provided in the key groove and has a An engaging portion that can move freely between a position that engages with the cover member and fixes the cover member at the first position, and a non-engaging position that is The position not engaged with the cover part, when the connector is not connected with the connector seat, the locking part fixes the cover part at the first position, when the connector is connected to When the connector is seated, the key part abuts against the locking part to push up the locking part, and the engaging part moves from the engaging position to the non-engaging position, thereby releasing the locking component to the cover part, the pushing face of the connector pushes the cover part forward in the insertion direction of the connector, so that the cover part moves to the second position, and the first electrical The contact is electrically connected to the second electrical contact.

Furthermore, a light source device according to an aspect of the present invention includes the connector holder described in claim 5 .

Furthermore, in the endoscope according to one aspect of the present invention, the connector described in claim 5 is provided at an extension end of a universal cable extending from the operation portion.

Description of drawings

FIG. 1 is a partial perspective view showing a connector connection system according to this embodiment.

Fig. 2 is a perspective view showing an endoscope equipped with the endoscope connector connected to the connector holder in Fig. 1 .

Fig. 3 is an enlarged perspective view showing the endoscope connector in Fig. 1 .

Fig. 4 is a perspective view showing the structure of the connector holder in Fig. 1 in a state where the cover member is covered on the second electrical contact.

5 is a perspective view showing a state where the cover member is retracted from the second electrical contact of the connector housing in FIG. 4 .

FIG. 6 is an enlarged perspective view showing the structure of the socket in FIG. 4 .

FIG. 7 is an enlarged perspective view showing the structure of the socket in FIG. 5 .

Fig. 8 is an enlarged perspective view showing a cover member provided in the socket shown in Figs. 4 to 7 .

Fig. 9 is a sectional view of the socket along line IX-IX in Fig. 6 .

Fig. 10 is a sectional view of the socket along line X-X in Fig. 7 .

Fig. 11 is a partial sectional view showing a state immediately before the endoscope connector is connected to the connector holder in Fig. 1 .

12 is a partial cross-sectional view showing a state where the endoscope connector is initially connected to the connector holder in FIG. 11 .

Fig. 13 is a partial cross-sectional view showing a state where the endoscope connector is connected to the connector holder in Fig. 11 .

Detailed ways

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, it should be noted that the drawings are schematic diagrams, and the relationship between the thickness and width of each component, the ratio of the thickness of each component, etc. are different from those in reality. Of course, the dimensions of each other are also included between the drawings. The relationship and ratio of different parts.

In addition, the connector seat of the light source device connected to the endoscope connector provided at the extension end of the universal cable of the endoscope is taken as an example below to illustrate the connector seat, and the connector seat is described by the endoscope connector and the light source. The connector connection system constituted by the connector base of the device is taken as an example to illustrate the connector connection system.

Fig. 1 is a partial perspective view showing a connector connection system according to the present embodiment, Fig. 2 is a perspective view showing an endoscope equipped with an endoscope connector connected to a connector holder in Fig. 1 , and Fig. 1 is an enlarged perspective view of the endoscope connector.

In addition, FIG. 4 is a perspective view showing the structure of the connector seat in FIG. 1 in a state where the cover member is covered on the second electrical contact, and FIG. 5 is a perspective view showing the cover member from the connector seat in FIG. A perspective view of a state where the second electrical contact is retracted.

And, FIG. 6 is a perspective view showing an enlarged structure of the socket in FIG. 4, FIG. 7 is a perspective view showing an enlarged structure of the socket in FIG. 5, and FIG. An enlarged perspective view of the inner cover member.

In addition, FIG. 9 is a cross-sectional view of the socket along line IX-IX in FIG. 6 , and FIG. 10 is a cross-sectional view of the socket along line X-X in FIG. 7 .

As shown in FIG. 1 , in the connector connection system 100, the main part is composed of the connector base 20 and the endoscope connector 5 of the endoscope 1, and the connector base 20 is provided to provide light to the endoscope 1. The front surface 50f of the light source device 50, the endoscope connector 5 is freely connectable to the connector holder 20.

In addition, as shown in FIG. 2 , in the endoscope 1 , an endoscope connector 5 is provided on an extended end of a universal cord 4 extending from an operation part 3 provided on a The base end side of the insertion part 2 in the subject.

Returning to FIG. 1 , a video processor 60 , which is a control device for controlling the operation of the endoscope 1 , is provided on, for example, the upper surface of the light source device 50 . In addition, the video processor 60 is electrically connected to the light source device 50 on the rear side facing the front surfaces 50 f and 60 f via a connection cable not shown.

Furthermore, a connector 61 is provided on the front surface 60 f of the video processor 60 . When connecting an endoscope connector of a conventional endoscope in which an LG connector and an electrical connector are connected separately to the connector holder 20, one end is electrically connected to the electrical connector provided in the endoscope connector. The other end of the cable is electrically connected to the connector 61 .

As shown in FIG. 3 , the endoscope connector 5 has a substantially columnar housing portion 15 made of, for example, resin. On the front end side (hereinafter, simply referred to as "front end side") of the direction in which the endoscope connector 5 is inserted into the connector holder 20 (hereinafter, simply referred to as "embedding direction") K in the housing part 15 is formed, for example, a The first embedded portion 15 a made of resin has a smaller outer diameter in the radial direction R than other parts of the case portion 15 .

In addition, a second fitting portion 15b made of, for example, resin and having a smaller outer diameter in the radial direction R than the first fitting portion 15a is formed on the front end side of the first fitting portion 15a.

At a part of the outer peripheral portion of the front end (hereinafter, simply referred to as "the front end") of the housing part 15 in the insertion direction K, that is, at the step difference between the front end of the housing part 15 and the base end side of the first insertion part 15a A flange portion 9 made of, for example, stainless steel having a mountain shape is provided.

The flange portion 9 is used when the ball 30 of the socket clamp 24 described later (refer to FIG. 4 ) is positioned on the base end side of the flange portion 9 in the insertion direction when the endoscope connector 5 is connected to the connector holder 20 . (Hereinbelow, simply referred to as “base end side”), the inclined surface is pushed to the inner side in the radial direction R by the elastic force of the leaf spring 29 (see FIG. 4 ) described later, so that the insertion direction K of the endoscope connector 5 position is fixed.

In addition, on the outer peripheral surface of the first embedded part 15a, a plurality of outer contacts 7 constituting the first electrical contacts of the electrical connector are arranged in a manner arranged along the circumferential direction by, for example, press-fitting, and on the outer periphery of the second embedded part 15b, The surface is also provided with a plurality of inner contacts 8 constituting the first electrical contacts of the electrical connector by, for example, press-fitting in a manner arranged along the circumferential direction.

In addition, key portions 6 are provided at positions facing the radial direction R on the outer peripheral surface on the front end side of the first fitting portion 15a.

Each key portion 6 has the following function: when the endoscope connector 5 is connected to the connector holder 20, it is fitted into a key groove 21m (see FIG. 4 ) described later in the connector holder 20 to prevent the endoscope connector 5 from facing each other. The rotation of the connector seat 20 after connection. In addition, each key portion 6 has a function of pushing up a later-described lock member 70 (see FIG. 4 ) provided in the key groove 21 m to release fixation of a later-described cover member 40 (see FIG. 4 ). In addition, although two are shown in FIG. 3 about the number of objects of the key part 6, of course, it is not limited to two.

In addition, the LG connector 10 made of, for example, metal and the gas supply connector 11 made of, for example, metal extend toward the front end side from the front end surface 15bf of the second fitting portion 15b.

As shown in FIGS. 4 to 7 , the connector base 20 is provided with: a socket 23 into which the first insertion portion 15 a and the second insertion portion 15 b of the endoscope connector 5 are embedded; a socket clip 24 disposed on the socket 23 The outer periphery of LG socket 33, it is positioned at the front end side of this socket 23; Base plate 27,28, they are fixed on the socket 23 and LG socket 33; Locating ring 34, it is fixed in the front end side of LG socket 33; And radiator 35 , which is fixed on the positioning ring 34 .

As shown in FIGS. 4 and 5 , socket clips 24 for holding the socket 23 are provided on the outer periphery of the socket 23 .

The socket clip 24 holds the socket 23 in such a way that when the endoscope connector 5 is connected to the connector holder 20, the outer contact 7 is electrically connected to the outer contact 25 described later, and the inner contact 8 is electrically connected to the inner contact 26 described later. In the state of electrical connection, the socket 23 can move independently in the radial direction R and the insertion direction K forward and backward relative to the socket clip 24 .

In addition, as shown in FIG. 4 and FIG. 5 , one end of a plurality of leaf springs 29 made of metal, for example, is fixed to the outer peripheral surface of the socket clip 24 , and one end of a plurality of leaf springs 29 made of metal, for example, is fixed to each other end through a hole 24 h formed in the socket clip 24 . On the other hand, a ball 30 made of, for example, metal protrudes inwardly in the radial direction R of the socket clip 24 .

The ball 30 has the following function: when the endoscope connector 5 is connected to the connector holder 20, the ball 30 is moved toward the radial direction R by the elastic force of the leaf spring 29 on the inclined surface of the base end side of the above-mentioned flange portion 9. The inner side is pressed to press the front end surface 15af constituting the pressing surface of the first insertion part 15a of the endoscope connector 5 to the surface 21a protrudingly located inside the radial direction R of the outer socket 21 (see FIG. 4 ). Up, thereby fixing the position of the insertion direction K of the endoscope connector 5 .

In addition, the connector holder 20 is connected to the endoscope connector 5 by bringing the ball 30 made of metal into contact with the flange part 9 made of metal.

In addition, an LG socket 33 made of resin, for example, is fixed to the socket clip 24 on the front end sides of the outer socket 21 , the inner socket 22 , and the socket clip 24 .

In addition, when the endoscope connector 5 is connected to the connector holder 20, the positioning ring 34 for fixing the front end side of the LG connector 10 fitted in the not-shown hole of the LG socket 33 is fixed to the end of the LG socket 33. front side. Furthermore, the heat sink 35 is fixed to the front end side of the positioning ring 34 .

The heat sink 35 is a member that prevents the front end of the LG connector 10 from being heated when light is supplied from the light source in the light source device 50 to the front end of the LG connector 10 .

As shown in FIGS. 4 to 7 , in the socket 23 , an outer socket 21 formed, for example, in an annular shape by resin and an inner, for example, formed in an annular shape by a resin located on the inner side in the radial direction R of the outer socket 21 The socket 22 constitutes the main part. In addition, the inner socket 22 is fixed to the outer socket 21 with screws or the like.

Also, the proximal end of the inner socket 22 in the insertion direction (hereinafter, simply referred to as “proximal end”) is located further forward in the insertion direction K (hereinafter, simply referred to as “front”) than the proximal end of the outer socket 21 .

The outer receptacle 21 is a part in which the first embedding portion 15a is embedded when the endoscope connector 5 is connected to the connector holder 20, and the inner receptacle 22 is a part in which the second embedding portion 15a is embedded when the endoscope connector 5 is connected to the connector holder 20. Part of the embedded part 15b.

As shown in FIGS. 5 and 7 , on the inner peripheral surface of the outer receptacle 21 , a plurality of outer contacts 25 constituting second electrical contacts are arranged in a row along the circumferential direction. When the endoscope connector 5 is connected to the connector holder 20, the outer contact 25 is electrically connected to the outer contact 7 provided on the outer peripheral surface of the first fitting portion 15a.

In addition, a key groove 21m is formed on the inner peripheral surface of the outer receptacle 21, and when the endoscope connector 5 is connected to the connector holder 20, the key groove 21m defines the endoscope by fitting the key portion 6 provided in the first fitting portion 15a. The position of the mirror connector 5 relative to the rotational direction of the connector holder 20 . In addition, in the outer socket 21, the number of key grooves 21m corresponding to the number of the key parts 6 is provided.

In addition, as shown in FIGS. 5 and 7 , on the inner peripheral surface of the inner socket 22 , a plurality of inner contacts 26 constituting second electrical contacts are arranged in a row along the circumferential direction.

When the endoscope connector 5 is connected to the connector holder 20, the inner contact 26 is electrically connected to the inner contact 8 provided on the outer peripheral surface of the second fitting portion 15b.

In addition, as shown in FIGS. 5 to 7 , an air supply tube tip protection socket 32 made of, for example, metal is provided in a hole 22 h formed along the insertion direction K on the front end side of the inner socket 22 .

As shown in FIGS. 4 and 5 , two holes 32h1 and 32h2 (32h2 not shown) are formed along the insertion direction K in the air supply tube head protection socket 32 .

When the endoscope connector 5 is connected to the connector holder 20, the air supply connector 11 provided on the endoscope connector 5 is fitted into the hole 32h1. In addition, the protruding portion 33t provided on the base end side of the LG socket 33 is fitted into the hole 32h2, and when the endoscope connector 5 is connected to the connector holder 20, the LG connector 10 provided on the endoscope connector 5 is fitted into it. It is in a hole (not shown) formed in the protruding part 33t.

In addition, as shown in FIGS. 4 and 5 , the metal frame 31 is fixed on the inner side in the radial direction R than the outer socket 21 and on the proximal side than the inner socket 22 .

Here, as shown in FIGS. 4 to 7, a cover member 40 made of resin, for example, is provided inside the socket 23. When the endoscope connector 5 is not connected to the connector holder 20, as shown in FIG. , As shown in FIG. 6, the outer contact 25 and the inner contact 26 are covered for protection.

As shown in FIG. 8, in the cover member 40, two C-shaped outer covers 41 covering the outer contacts 25, an annular inner cover 42 covering the inner contacts 26, and the outer cover along the insertion direction K are formed. A plurality of connecting members 43 connecting the inner cover 42 and the inner cover 41 constitute the main part, and the outer cover 41 is configured to be detachable from the inner cover 42 .

In addition, the cover member 40 is configured to cover the first position of the outer contact 25 and the inner contact 26 as shown in FIG. 4, FIG. 6 and FIG. The second position where the inner contact 26 is exposed can move forward and backward along the insertion direction K freely.

In addition, as shown in FIG. 9, when the endoscope connector 5 is not connected to the connector holder 20, the cover member 40 moves backward in the insertion direction K through the coil spring 77 as the second biasing member (hereinafter, simply referred to as “ Rear") to remain in the first position. That is, when the connector housing 20 is not used, the outer contacts 25 and the inner contacts 26 are not exposed.

As shown in FIGS. 4 to 7 , 9 , and 10 , the lock member 70 is fitted into a key groove 21 m formed on the inner peripheral surface of the outer socket 21 .

The lock member 70 is a member that restricts the cover member 40 at the first position from moving away from the first position when the endoscope connector 5 is not connected to the connector holder 20 .

As shown in FIG. 9 , in the lock member 70 , an engaging portion 70k movable between an engaged position and a disengaged position is provided at the front end of the lock member 70 so as to protrude inward in the radial direction R.

In addition, as shown in FIG. 9, the engaging position is a position where the engaging portion 70k engages with the front end surface 41s of the outer cover 41 of the cover member 40 at the first position to fix the cover member 40 at the first position, as shown in FIG. As shown in 10 , the non-engaging position is a position where the engaging portion 70k is not engaged with the outer cover 41 .

In addition, a tapered surface 70s is formed at the proximal end of the locking member 70. When the endoscope connector 5 is connected to the connector holder 20, the tapered surface 70s, as shown in FIGS. Part 6 abuts.

In addition, as shown in FIGS. 6 , 7 , 9 and 10 , the other end of a leaf spring 71 as a first urging member fixed to the outer peripheral surface of the outer socket 21 is connected to the locking member 70 at the other end.

The leaf spring 71 has the following functions: when the endoscope connector 5 is not connected to the connector holder 20, as shown in FIG. The engaging portion 70k moves to the engaging position, thereby fixing the cover member 40 at the first position.

In addition, when the endoscope connector 5 is connected to the connector holder 20, the key portion 6 embedded in the key groove 21m moves along the tapered surface 70s, and pushes up the locking member 70 against the urging force of the leaf spring 71, thereby locking. The engaging portion 70k moves to the disengagement position, and as a result, the fixation of the lock member 70 using the cover member 40 is released.

When the endoscope connector 5 is connected to the connector holder 20, the front end surface 15af (refer to FIG. 3 ) of the first fitting portion 15a constituting the pressing surface of the endoscope connector 5 resists the urging force of the coil spring 77 and moves as follows. As shown in FIG. 10 , the cover member 40 is pushed forward, and the fixation of the lock member 70 is released, and the cover member 40 moves to the second position.

Next, the action of this embodiment will be described using FIGS. 11 to 13 . Fig. 11 is a partial cross-sectional view showing the state just before the endoscope connector is connected to the connector seat in Fig. Partial cross-sectional view, FIG. 13 is a partial cross-sectional view showing the state after the connection between the endoscope connector and the connector seat in FIG. 11 is completed.

In addition, the action of connecting the endoscope connector 5 to the connector holder 20 will be described below regarding the action of the present embodiment.

When connecting the endoscope connector 5 to the connector holder 20 , the operator first fits the LG connector 10 into the hole of the LG socket 33 .

Next, the operator fits the key portion 6 of the endoscope connector 5 into the key groove 21 m of the connector holder 21 . As a result, as shown in FIG. 11 , the key portion 6 abuts against the tapered surface 70s of the lock member 70 .

Then, when the operator pushes the endoscope connector 5 forward, the key portion 6 moves along the tapered surface 70s and, as shown in FIG. 12 , pushes up the lock member 70 .

As a result, as shown in FIG. 11, the locking member 70, which is located at the engaged position by engaging the engaging portion 70k with the front end surface 41s of the outer cover 41 of the cover member 40, overcomes the force of the leaf spring 71 as shown in FIG. force to move toward the non-engaged position.

Finally, when the operator further pushes the endoscope connector 5 forward, the front end surface 15af of the first fitting portion 15a of the endoscope connector 5 and the base end surface of the outer cover 41 of the cover member 40 at the first position 41k abuts and pushes the base end surface 41k. Thus, as shown in FIG. 12 , the inner cover 42 and the outer cover 41 connected by the connecting member 43 move to the second position in conjunction with each other, and the second fitting portion 15 b of the endoscope connector 5 is fitted into the socket 23 . In the inner socket 22, the first fitting part 15a is fitted in the outer socket 21 of the socket 23, and the air supply connector 11 is fitted in the hole 32h1.

In addition, the movement of the inner cover 42 and the outer cover 41 to the second position, the fitting of the second fitting portion 15b into the inner socket 22, the fitting of the first fitting portion 15a into the outer socket 21, and the fitting of the air supply connector 11 into the hole 32h1 Embedding occurs roughly simultaneously.

As a result, as shown in FIG. 10 , the inner contact 26 and the outer contact 25 are exposed, and the inner contact 8 and the outer contact 7 are electrically connected to the inner contact 26 and the outer contact 25 . In this way, the endoscope connector 5 is connected to the connector holder 20 .

In addition, in this connected state, the key portion 6 is fitted into the key groove 21m, the ball 30 abuts against the inclined surface on the proximal end side of the flange portion 9, and the inclined surface is pushed forward, so that the endoscope connector 5 The position relative to the connector housing 20 is specified.

In addition, when the endoscope connector 5 is pulled out from the connector holder 20, the cover member 40 is automatically moved from the second position to the first position by the coil spring 77, and the engagement of the lock member 70 The portion 70k also moves from the disengaged position to the engaged position. Thereby, as shown in FIG. 11 , the engaging portion 70 k of the lock member 70 engages with the front end surface 41 s of the outer cover 41 of the cover member 40 , whereby the cover member 40 is fixed at the first position. That is, the inner contacts 26 and the outer contacts 25 are covered and protected by the cover member 40 .

Thus, in the present embodiment, it is shown that the cover member 40 is provided inside the socket 23 to cover and protect the inner contacts 26 and the outer contacts 25 .

In addition, it is shown that when the endoscope connector 5 is connected to the connector holder 20, the key portion 6 is fitted into the key groove 21m, and the cover member 40 is fixed to the cover member 40 by the key portion 6 to cover the inner contact point 26 and the outer contact point 25. The fixing of the lock member 70 at the first position is released, and the cover member 40 is pushed by the endoscope connector 5 to move from the first position to the second position where the inner contacts 26 and the outer contacts 25 are exposed.

In addition, it is shown that when the endoscope connector 5 is pulled out from the connector holder 20 , the cover member 40 is moved from the second position to the first position by the coil spring 77 .

According to the above, when the endoscope connector 5 is not connected to the connector holder 20, since the inner contacts 26 and the outer contacts 25 of the connector holder 20 are covered and protected by the cover member 40, when not in use, Foreign matter does not adhere to the inner contacts 26 and the outer contacts 25 in which the cover member 40 is urged toward the first position by the coil spring 77 and fixed at the first position by the lock member 70 .

In addition, when the endoscope connector 5 is connected to the connector holder 20, the cover member 40 is pushed by the endoscope connector 5 in the receptacle 23 and moves to the second position where the inner contacts 26 and the outer contacts 25 are exposed. Therefore, the inner contacts 26 and the outer contacts 25 can be easily exposed without removing the cover member 40 .

Furthermore, in this embodiment, it is shown that the position of the endoscope connector 5 connected to the connector holder in the rotation direction is regulated by fitting the key portion 6 into the key groove 21m.

From the above, the endoscope connector 5 connected to the connector holder 20 does not rotate after connection.

To sum up, it is possible to provide the connector connection system 100 having a structure as follows: the endoscope connector 5 connected to the connector holder 20 can be easily positioned, and the endoscope connector 5 can be easily positioned by a simple The structure protects the electrical contacts of the connector holder 20 not connected to the endoscope connector 5, and also allows the electrical contacts of the connector holder 20 to be easily exposed when the connector is connected.

In addition, in this embodiment, the connector holder of the light source device connected to the endoscope connector provided at the extension end of the universal cable of the endoscope is taken as an example to describe the connector holder. The connector connection system composed of the endoscope connector and the connector holder of the light source device is used as an example to describe the connector connection system, but it is not limited thereto. Of course, it can also be applied to devices other than endoscopes, for example, with A connector base to which a connector included in a treatment instrument is connected, and a connection system constituted by the connector base and a connector included in a device other than an endoscope.

This application is filed on the basis of Japanese Patent Application No. 2010-059745 filed in Japan on March 16, 2010 as the basis for claiming priority, and the above content is incorporated in the specification, claims and drawings of this application.

Claims (7)

1. connector connected system, it possesses connector and the connector holder that is connected with this connector, and said connector connected system is characterised in that,

Said connector possesses:

First electric contact, it is arranged on the outer peripheral face of the housing section of said connector; And

Key portion, it is arranged on the outer peripheral face of the housing section of said connector,

Said connector holder possesses:

Second electric contact when it is connected in said connector holder at said connector, is electrically connected with said first electric contact;

Cap assembly, its between the primary importance that covers said second electric contact and the second place that said second electric contact is exposed mobile freely;

Keyway when it is connected in said connector holder at said connector, is stipulated the position of said connector with respect to the rotation direction of said connector holder through embedding said key portion; And

Lock Part, it is arranged in the said keyway, has the holding section of between clamped position and non-clamped position, moving freely; Said clamped position is to engage with said cap assembly and this cap assembly is fixed in the position of said primary importance; Said non-clamped position is the position that does not engage with said cap assembly, and when said connector was not connected with said connector holder, said Lock Part was fixed in said primary importance with said cap assembly; When said connector is connected in said connector holder; Said key portion and said Lock Part butt, this Lock Part of jack-up, said holding section moves to said non-clamped position from said clamped position; Thereby remove said Lock Part fixing to said cap assembly

The pushing of said connector pushes said cap assembly towards embedding direction the place ahead of said connector, thereby said cap assembly moves to the said second place, and said first electric contact is electrically connected with said second electric contact.

2. connector connected system according to claim 1 is characterized in that,

Said connector holder is provided with first force application part; When said connector was not connected with this connector holder, said first force application part made the said holding section of said Lock Part move to said clamped position through the application of force to make said cap assembly be fixed in said primary importance.

3. connector connected system according to claim 1 and 2 is characterized in that,

Said connector holder is provided with second force application part, and when said connector was not connected with this connector holder, said second force application part made said cap assembly move to said primary importance.

4. according to each the described connector connected system in the claim 1 to 3, it is characterized in that,

Be formed with the conical surface said Lock Part with position said key portion butt,

When said connector is connected in said connector holder, said key portion with the state of said conical surface butt under move along this conical surface, thereby the said Lock Part of jack-up.

5. according to each the described connector connected system in the claim 1 to 4, it is characterized in that,

Said connector is arranged at from the external part of the extended general cable of operating portion of endoscope, and said connector holder is arranged in the control device that the action that said endoscope provides the light supply apparatus of light perhaps to carry out said endoscope is controlled.

6. a light supply apparatus is characterized in that,

Said light supply apparatus possesses the said connector holder that claim 5 is put down in writing.

7. an endoscope is characterized in that,

The said connector that claim 5 is put down in writing is arranged on from the external part of the extended general cable of operating portion.

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