JP2013007466A - Connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connector that prevents a foreign matter from adhering on a connecting surface.SOLUTION: A male connector 12 includes: a male-side case 17 having an internal flow passage; and a male-side connecting port which communicates with the internal flow passage to connect to an external flow passage. The male connector includes a shutter part 26 which displaces between a closed position closing the male-side connecting port and an open position exposing the male-side connecting port.

Description

  The present invention relates to a connector connected to an external flow path of an external connector.

  As connectors for connecting a plurality of flow paths, there are a female connector and a male connector each having a valve mechanism. As this type of connector, as shown in FIG. 16, there is a connector provided with a male joint 101 having a male valve 103 and a male spring 104, and a female joint 102 having a valve seat 105 and a female spring 106. Yes (see, for example, Patent Document 1).

  When the male joint 101 and the female joint 102 are not connected, the male valve 103 is biased to a position where the male main spring 107 closes the connection port 108 by the male spring 104. The front end surface of the male side valve 103 at this position is exposed to the outside. Further, the valve seat portion 105 is biased to a position where the connection port 110 of the female main body 109 is closed by the female spring 106. Furthermore, the female joint 102 includes a female valve 111 that is fixed inside the female main body 109 so as not to move.

  When connecting the male joint 101 and the female joint 102, the connection ports 108 and 110 are opposed to each other, and the male joint 101 is inserted into the female main body 109. At this time, the end surface of the male main body 107 contacts the valve seat portion 105, and the front end surface of the male side valve 103 contacts the front end surface of the female side valve 111.

  When the male joint 101 is further inserted into the female joint 102, the male main body 107 pushes the valve seat portion 105 into the female main body 109 against the urging force of the female spring 106. Further, the male side valve 103 contacts the female side valve 111 and is pushed into the male main body 107. As a result, the flow path in the male main body 107 and the flow path in the female main body 109 are in communication with each other, and fluid can pass therethrough.

  Further, when the connection between the male joint 101 and the female joint 102 is released, the male joint 101 is pulled out from the female joint 102. As a result, the male valve 103 and the valve seat portion 105 are displaced to positions where the connection ports 108 and 110 are closed.

Japanese Patent No. 3529562

  By the way, since the front end surface of the male joint 101 when not connected is exposed to the outside, foreign matters such as dust may adhere to the front end surface. If a foreign object adheres to the front end surface of the male joint 101, the foreign object may be mixed into the fluid when the male joint 101 and the female joint 102 are connected.

  On the other hand, although the valve seat part 105 and the female side valve 111 are arranged on the inner side of the end surface of the female main body 109, they are in an exposed state. is there.

  This invention is made | formed in view of the said problem, The objective is to provide the connector which can suppress adhesion of the foreign material to a connection surface.

  In order to solve the above-mentioned problems, the invention according to claim 1 is a connector having a housing having an internal flow path and a connection port communicating with the internal flow path and connected to the external flow path. The gist is provided with a shutter portion that is displaced between a closed position for closing the opening and an open position for exposing the connection opening.

  According to the first aspect of the present invention, when the connector and the external flow path are connected, the shutter portion is disposed at the open position, and when the external flow path is not connected to the connector, the shutter portion is The connection port can be closed by placing it at the closing position. For this reason, it can suppress that foreign materials, such as dust, adhere to the connection port of a connector at the time of non-connection with an external channel.

  According to a second aspect of the present invention, in the connector according to the first aspect, the shutter portion includes a wiping portion that wipes the connection port when the shutter portion is displaced between the closed position and the open position. Is the gist.

  According to the second aspect of the present invention, since the shutter portion includes the wiping portion for wiping the connection port, when the shutter portion is displaced from the closed position to the open position and when the shutter portion is displaced from the open position to the closed position, the connection port is provided. Foreign matter adhering to the surface can be removed. For this reason, it can suppress that the foreign material adhering to a connection port mixes in a connector.

  According to a third aspect of the present invention, in the connector according to the first or second aspect, the shutter is a transmission that is displaced between a non-operation position and an operation position by inserting an external connector having the external flow path. The gist further comprises a member and a shutter plate that is displaced between the closed position and the open position following the displacement of the transmission member.

  According to the invention described in claim 3, the transmission member is displaced by the insertion of the connecting member, and the shutter plate is driven by the transmission member. That is, by inserting the external connector into the transmission member, the shutter plate is arranged at the open position without performing any special operation. Therefore, the connection between the external connector and the connector can be performed with a simple operation.

The gist of the invention according to claim 4 is the connector according to claim 3, wherein the shutter portion further includes an outer portion whose opening is closed by the shutter plate.
According to the fourth aspect of the present invention, since the connection port is surrounded by the shutter plate and the outer portion, it is possible to more effectively suppress the adhesion of foreign matters to the connection port.

  According to a fifth aspect of the present invention, in the connector according to the first or second aspect, the shutter portion is supported by an outer portion surrounding the housing and a groove portion formed in the outer portion, and along the groove portion. The gist of the invention is that it includes a shutter plate that slides between the closed position and the open position.

  According to the invention described in claim 5, since the shutter plate is slidable along the groove portion, when the external flow path is not connected to the connector, the shutter plate is slid to the closed position, The connection port can be closed. For this reason, it can suppress that foreign materials, such as dust, adhere to the connection port of a connector at the time of non-connection.

  The invention according to claim 6 is the connector according to claim 5, wherein the shutter plate has a plurality of ridges and a plurality of valleys formed between the ridges. The gist is to bend along the shape.

  According to the invention described in claim 6, since the shutter plate can be bent along the shape of the groove portion, the position and shape of the accommodation space of the shutter plate in the open position can be adjusted by adjusting the shape of the groove portion. Can be changed.

  A seventh aspect of the present invention is the connector according to the first aspect, wherein the shutter portion includes an outer portion surrounding the housing and a pair of lids that are combined with each other to close the connection port. The cover body has a groove for fitting a protrusion formed in the outer shell part, and the cover body is displaced while sliding the protrusion inside the groove.

  According to the seventh aspect of the present invention, when the external flow path is not connected to the connector, the lid can be displaced to the closed position and the connection port can be closed. For this reason, it can suppress that foreign materials, such as dust, adhere to the connection port of a connector at the time of non-connection.

  According to an eighth aspect of the present invention, in the connector according to the first aspect, the shutter portion includes an outer portion surrounding the housing and a circular lid portion pivotally supported by the outer portion. The gist.

  According to the invention described in claim 8, since the circular lid portion is rotatable, when the external flow path is not connected to the connector, the circular lid portion is rotated to the closed position, and the connection port Can be occluded. For this reason, it can suppress that foreign materials, such as dust, adhere to the connection port of a connector at the time of non-connection.

  As described above, according to the present invention, there is an effect of providing a connector capable of suppressing foreign matter from adhering to the connection surface.

The perspective view of the male connector and female connector of 1st Embodiment which actualized this invention. Sectional drawing of the same male connector. The perspective view of each shutter member which comprises the same male type | mold connector. The perspective view which looked at the transmission member which comprises the same male type connector from the lower surface. The top view of the same male type | mold connector. The top view of the male connector of the state which inserted the front-end | tip of a female connector. The top view of the male connector with which the female connector was connected. The perspective view of the male connector of 2nd Embodiment which actualized this invention. The perspective view of the shutter board which comprises the same male type connector. FIG. 3 is a perspective view of the same male connector with the shutter plate in a closed position. The perspective view of the male connector of 3rd Embodiment which actualized this invention. The perspective view of the same male type connector which has a shutter part in a closed position. The perspective view of the male connector of 4th Embodiment which actualized this invention. Sectional drawing of the same male type connector which has a shutter part in an open position. The perspective view of the same male type connector which has a shutter part in a closed position. Sectional drawing of the conventional connector.

(First embodiment)
Hereinafter, a first embodiment in which a connector of the present invention is embodied as a male connector inserted into a female connector will be described with reference to FIGS.

  A female connector 11 as an external connector shown in FIG. 1 is connected to a first external flow path (not shown) through which fluid flows, and a male connector 12 is connected to a second external flow path (not shown) through which fluid flows. Is done. Then, by connecting the female connector 11 and the male connector 12 to each other, the first external channel and the second external channel communicate with each other. The fluid is liquid, gas, liquid or gas in which a solid is dispersed, sol-like material, and the like as long as it can pass through the female connector 11 and the male connector 12.

  The female connector 11 includes a substantially cylindrical female side case 15 having a female side connection port 13 at one end. A joint portion 14 connected to the first external flow path is coupled to an end portion of the female case 15 opposite to the female connection port 13. In the female side case 15, a female side valve body that can close the female side connection port 13, a female side valve mechanism comprising a spring that biases the female side valve body toward the female side connection port 13, and a female side A fixed valve that is immovably fixed is accommodated in the case 15 (none of which is shown).

  The male connector 12 has a connector main body 16 having a male connection port and a male connection port closed when not connected to the female connector 11 and a male connection port connected to the female connector 11. And a shutter portion S that is exposed to the outside.

  First, the connector main body 16 and its internal structure will be described. As shown in FIG. 2, the connector main body 16 has a cylindrical male side case 17 as a housing. The male side case 17 is made of resin, has a substantially cylindrical shape, and has an internal flow path 18 inside. The internal channel 18 includes a large-diameter channel 18a and a small-diameter channel 18b having an inner diameter smaller than that of the large-diameter channel 18a, and an inclined step surface is formed between the large-diameter channel 18a and the small-diameter channel 18b. 18c is formed.

  The male case 17 has a male connection port 23 connected to the female connector 11 at one end thereof. A small-diameter channel 18 b communicates with the male side connection port 23. A fitting groove 17a is formed at an end of the male case 17 on the male connection port 23 side, and a seal ring 17b is fitted into the fitting groove 17a.

  Moreover, the joint part 19 connected to the 2nd external flow path is connected with the edge part on the opposite side with respect to the male side connection port 23 among the male side cases 17 via the seal ring 17c. A large-diameter channel 18 a communicates with the channel of the joint portion 19.

  A male side valve mechanism 20 having a male side valve body 21 and a coil spring 22 is accommodated in the male side case 17. The male valve body 21 is made of resin and is formed in a substantially covered cylinder shape, and includes a base end portion 21a having an opening and a tip end portion 21b having a smaller diameter than the base end portion 21a.

  The base end portion 21a has a shape capable of coming into contact with the step surface 18c between the large-diameter channel 18a and the small-diameter channel 18b, and its outer diameter is slightly smaller than the inner diameter of the large-diameter channel 18a. The outer diameter of the distal end portion 21b is slightly smaller than that of the small-diameter flow path 18b, and a seal ring 21d that suppresses fluid leakage through the male case 17 is fitted on the outer peripheral surface thereof. .

  A through hole 21 c is formed in the peripheral wall portion of the male valve body 21. When the male side connection port 23 is opened by extracting the male side valve body 21 from the small diameter flow path 18b, the fluid is sent to the internal flow path 18 of the male side case 17 through the through hole 21c. Is done.

  The coil spring 22 is disposed in the large-diameter channel 18a so as to be extendable and contractible. The coil spring 22 urges the male valve body 21 to a position where the tip 21b is inserted into the small diameter flow path 18b. When the male valve body 21 is disposed at this position, the small diameter channel 18b is closed by the tip 21b, and the flow of fluid in the internal channel 18 is blocked. Hereinafter, the position of the male valve body 21 in this state is referred to as a closed position.

  Next, the shutter part S which comprises the male connector 12 is demonstrated. As shown in FIG. 1, the shutter portion S is fixed so as to surround the upper portion of the male side case 17 including the male side connection port 23. The shutter portion S includes a case 25 having an opening at the top, a shutter member 26 that can close the male connection port 23, and a transmission member 27 into which the female connector 11 is inserted.

  The case 25 includes a substantially bottomed cylindrical main body portion 25a, a first bulging portion 25b bulging from the main body portion 25a to the right side in the drawing, and a second bulging portion 25c bulging to the left side in the drawing. It has. As shown in FIG. 2, the main body portion 25 a includes a hole portion 25 e through which the connector main body 16 is inserted in the bottom wall portion, and accommodates an upper portion of the connector main body 16 therein.

  As shown in FIG. 1, the shutter member 26 includes a first shutter member 31 and a second shutter member 32. These shutter members 31 and 32 are formed substantially symmetrically.

  As shown in FIG. 3, the first shutter member 31 includes a support portion 31a and a pair of extending portions 31b and 31c extending from each end portion of the supporting portion 31a. The extension portions 31b and 31c are formed with shaft insertion holes 31d and 31e. A rotation shaft (not shown) rotatably supported by the first bulging portion 25b of the case 25 is inserted through the shaft insertion holes 31d and 31e.

  In addition, a shutter plate 31f extends from the support portion 31a in a direction substantially parallel to the upper surface of the support portion 31a. The shutter plate 31f has a semicircular shape, and a step portion 31g is formed at a linear end portion of the upper surface thereof. Furthermore, a groove-shaped engaging recess 31h is formed on the extended portion 31b side of the upper surface of the support portion 31a.

  On the other hand, the second shutter member 32 includes a support portion 32a and a pair of extension portions 32b and 32c extending from each end portion of the support portion 32a. In the drawing, the upper extension part 32 b is formed below the extension part 31 b of the first shutter member 31, and the lower extension part 32 c is higher than the extension part 31 c of the first shutter member 31. Is formed. In other words, the extending portions 32 b and 32 c can be inserted between the extending portions 31 b and 31 c of the first shutter member 31.

  The extension portions 32b and 32c are formed with shaft insertion holes 32d and 32e. The rotation shaft that pivotally supports the first shutter member 31 is inserted into the shaft insertion holes 32d and 32e.

  Further, a shutter plate 32f extends from the support portion 32a substantially parallel to the upper surface of the support portion 32a. The shutter plate 32f has a semicircular shape, and a stepped portion 32g that can be engaged with the stepped portion 31g of the first shutter member 31 is formed on the lower surface of the shutter plate 32f. Furthermore, an engagement recess 32 h is formed on the upper surface of the support portion 32 a at a position that is symmetric with respect to the engagement recess 31 h of the first shutter member 31.

  When the rotation shaft is inserted into the shaft insertion holes 31d, 31e, 32d, and 32e and the stepped portion 31g of the first shutter member 31 and the stepped portion 32g of the second shutter member 32 are engaged, the shutter plates 31f, 32f is combined to form a circular shape in plan view. The positions of the first shutter member 31 and the second shutter member 32 at this time are hereinafter referred to as closed positions.

  As shown in FIG. 1, a torsion coil spring 25 d that urges the first shutter member 31 and the second shutter member 32 is provided in the first bulging portion 25 b of the case 25. One arm portion of the torsion coil spring 25 d is fixed to the first shutter member 31, and the other arm portion is fixed to the second shutter member 32. The first shutter member 31 and the second shutter member 32 are urged to the closed position by the torsion coil spring 25d.

  Further, as shown in FIG. 2, wiping portions 31i and 32i made of an elastic member such as elastomer or rubber are fixed to the lower surfaces of the shutter plates 31f and 32f. When the shutter members 31 and 32 are disposed at the closed position, the wiping portions 31 i and 32 i are in contact with the end surface of the male case 17 and the front end surface of the male valve body 21.

  Next, the transmission member 27 will be described. As shown in FIG. 1, the transmission member 27 includes a first transmission member 41 and a second transmission member 42. These transmission members 41 and 42 are formed substantially symmetrically and are rotatably supported by the second bulging portion 25c of the case 25 at the base end portions 41a and 42a. The first transmission member 41 is disposed on the first shutter member 31, and the second transmission member 42 is disposed on the second shutter member 32.

  As shown in FIG. 4, the 1st transmission member 41 has the penetration hole 41b which penetrates a common axis | shaft (not shown) in the base end part 41a. An arcuate arm portion 41c extends from the base end portion 41a. The inner side surface of the arm portion 41c is disposed on the upper surface side of the first transmission member 41, and is composed of an inclined surface 41d inclined inward and a vertical surface 41g disposed on the lower surface side.

  A distal end portion 41e is formed at an end portion of the first transmission member 41 opposite to the base end portion 41a. On the lower surface of the tip portion 41e, an engaging pin 41f is formed to protrude. The engagement pin 41f has a size and shape that can be fitted into the engagement recess 31h of the first shutter member 31.

  Moreover, the 2nd transmission member 42 has the penetration hole 42b which penetrates the said common shaft in the base end part 42a. An arcuate arm portion 42c extends from the base end portion 42a. Similar to the first transmission member 41, the inner side surface of the arm portion 42c includes an inclined surface 42d and a vertical surface 42g that are inclined inward.

  Moreover, the front-end | tip part 42e is formed in the edge part on the opposite side with respect to the base end part 42a among the 2nd transmission members 42. As shown in FIG. An engaging pin 42f is formed to protrude from the lower surface of the distal end portion 42e. The engaging pin 42f has a size and shape that can be fitted into the engaging recess 32h of the second shutter member 32.

  As shown in FIG. 1, the first transmission member 41 and the second transmission member 42 are fixed to the case 25 in a state in which the through hole 41b and the through hole 42b are aligned. Further, a torsion coil spring (not shown) is connected to the first transmission member 41 and the second transmission member 42, and the tip portions 41e and 42e are urged to contact with each other by the urging force of the torsion coil spring. Yes. Hereinafter, the position where the tip portions 41e and 42e abut each other is referred to as a non-acting position of the first transmission member 41 and the second transmission member 42.

  Further, when the first transmission member 41 and the second transmission member 42 are arranged at the non-operating position, an insertion hole 43 into which the female connector 11 can be inserted is formed inside the arm portions 41c and 42c. In the insertion hole 43, the holes formed inside the vertical surfaces 41 g and 42 g are formed slightly smaller than the outer diameter of the female side connection port 13 of the female side case 15. The hole formed by the inclined surfaces 41 d and 42 d continuing to the insertion hole 43 is formed to be approximately the same as or slightly larger than the outer diameter of the female side connection port 13.

  Further, when the first transmission member 41 and the second transmission member 42 are positioned at the non-operation position, the engagement pins 41f and 42f are fitted inside the engagement recesses 31h and 32h of the shutter members 31 and 32, respectively. The

  With such a configuration, when the female connector 11 is inserted into the insertion hole 43, the insertion hole 43 is pushed and expanded by the male connector 12, and the first transmission member 41 and the second transmission member 42 are connected to their tip portions 41e, 41e, It rotates in the direction which 42e separates. For this reason, the engaging pins 41f and 42f also move in the same direction, and press the shutter members 31 and 32 by contacting the inner side surfaces of the engaging recesses 31h and 32h of the shutter members 31 and 32. As a result, the first shutter member 31 rotates in the same direction as the first transmission member 41, and the second shutter member 32 rotates in the same direction as the second transmission member 42.

  Next, the operation of the male connector 12 of this embodiment will be described. As shown in FIG. 5, when not connected to the male connector 12, the first transmission member 41 and the second transmission member 42 are respectively arranged in the non-acting positions, and the inner sides of the arm portions 41 c and 42 c. Is formed with a substantially circular insertion hole 43.

  Further, the first shutter member 31 and the second shutter member 32 are disposed at closed positions where the step portions 31g and 32g are engaged and the male side connection port 23 is closed. At this time, the engagement pins 41f and 42f of the transmission members 41 and 42 are inserted into the engagement recess 31h of the first shutter member 31 and the engagement recess 32h of the second shutter member 32, respectively.

  When the distal end portion of the female connector 11 is inserted into the hole surrounded by the inclined surfaces 41d and 42d, the female connector 11 comes into contact with the inclined surfaces 41d and 42d and is surrounded by the vertical surfaces 41g and 42g. Led to.

  When the female connector 11 is inserted into the hole surrounded by the vertical surfaces 41g and 42g, the inner diameter of the hole is smaller than the outer diameter of the female side connection port 13 as described above. Can be spread. As a result, the first transmission member 41 and the second transmission member 42 rotate outwardly around the base end portions 41a and 42a. At this time, as shown in FIG. 6, the engagement pins 41f and 42f of the transmission members 41 and 42 are also rotated outward, so that the engagement pins 41f and 42f and the engagement recesses 31h and 32h contact each other. The first shutter member 31 and the second shutter member 32 that are in contact with each other rotate outward from the closed position.

  Thus, the force with which the female connector 11 is pushed into the shutter portion S is converted into a rotational force by the transmission member 27 and transmitted to the shutter member 26. At this time, the engaging pins 41f and 42f are in contact with the proximal end portions of the first shutter member 31 and the second shutter member 32, so that the rotation angles of the first shutter member 31 and the second shutter member 32 are The rotation angle of the first transmission member 41 and the second transmission member 42 is larger.

  When the male connector 12 is further pushed into the female connector 11 from the state shown in FIG. 6, the first transmission member 41 and the second transmission member 42 rotate further outward as shown in FIG. The inner diameter of the insertion hole 43 is further enlarged. The first shutter member 31 and the second shutter member 32 follow the transmission members 41 and 42 and further rotate toward the outside to expose the entire male connection port 23 of the male connector 12. Placed in.

  When the male connection port 23 is thus exposed, the connector main body 16 and the female connector 11 can be connected, and the female case 15 of the female connector 11 is inserted into the case 25 so as to be male. The male case 17 of the connector 12 is inserted into the female case 15 of the female connector 11. The fixed valve of the female connector 11 is inserted into the male case 17 and presses the male valve body 21 against the urging force of the coil spring 22. For this reason, the male valve body 21 is displaced in a direction opposite to the male connection port 23.

  When the distal end portion 21b of the male side valve body 21 is extracted from the small diameter flow path 18b, the male side valve mechanism 20 is in an open state. At this time, the female valve mechanism is also opened, so that fluid is introduced from the first external flow path via the female connector 11 and supplied to the male connector 12. The fluid supplied to the male connector 12 passes through the through hole 21c of the male valve body 21 via the male connection port 23 and is introduced into the large-diameter channel 18a. The fluid introduced into the large-diameter channel 18 a is sent to the second external channel via the channel of the joint portion 19.

  When the connection between the female connector 11 and the male connector 12 is released, the male connector 12 is pulled, for example, and the male connector 12 is pulled out from the female connector 11. When the female connector 11 is extracted from the connector main body 16, the male valve body 21 is disposed at the closed position by the urging force of the coil spring 22.

  When the female side connection port 13 is extracted from the hole surrounded by the vertical surfaces 41g and 42g, the first transmission member 41 and the second transmission member 42 are moved from the inner side, that is, from the operation position by the biasing force of the torsion coil spring. It turns toward the non-operation position. With this rotation, the engaging pins 41f and 42f also rotate inward, so that the first shutter member 31 and the second shutter member 32 are moved from the inner side, that is, from the open position by the biasing force of the torsion coil spring 25d. It turns toward the closed position.

  At this time, the wiping portion 31i of the first shutter member 31 and the wiping portion 32i of the second shutter member 32 are in sliding contact with the end surface of the male side case 17 and the front end surface of the male side valve body 21, so that the male side The liquid adhering to the end surface of the case 17 and the front end surface of the male valve body 21 is wiped off.

  When the female side connection port 13 is completely extracted from the insertion hole 43, the first transmission member 41 and the second transmission member 42 are disposed at the non-operating position. In addition, since the first shutter member 31 and the second shutter member 32 are disposed at the closed position, the entire male side connection port 23 is closed, and adhesion of foreign matters such as dust to the male side connection port 23 is suppressed. .

According to the first embodiment, the following effects can be obtained.
(1) In 1st Embodiment, the male connector 12 was provided with the shutter part S displaced between the obstruction | occlusion position which obstruct | occludes the male side connection port 23, and the open position which exposes the male side connection port 23. FIG. Therefore, when the male connector 12 and the female connector 11 are connected, the shutter portion S is disposed in the open position, and when the female connector 11 is not connected to the male connector 12, the shutter portion S is closed. It can arrange | position in a position and can obstruct | occlude the male side connection port 23. FIG. For this reason, it can suppress that foreign materials, such as dust, adhere to the male side connection port 23 of the male connector 12 at the time of a non-connection.

  (2) The shutter portion S includes wiping portions 31i and 32i that wipe the male connection port 23 when displacing between the closed position and the open position. For this reason, when the fluid flowing through the male connector 12 is a liquid, the first shutter member 31 and the second shutter member 32 are displaced from the closed position to the open position, and are displaced from the open position to the closed position. In addition, liquid adhering to the male connection port 23 can be removed. For this reason, it can suppress that the foreign material consisting of the residue which the volatile component in a liquid volatilized remains in the male side connection port 23. FIG. In addition, it is possible to prevent foreign matters such as dust from being easily attached due to the liquid adhering to the male connection port 23.

  (3) The shutter portion S includes a case 25 whose opening is closed by the shutter member 26, and the male side connection port 23 can be closed by the case 25 and the shutter member 26. For this reason, adhesion of dust to the male side connection port 23 can be suppressed more effectively.

  (4) The shutter portion S is moved between the non-operating position and the operating position by the insertion of the female connector 11, and is driven by the displacement of the transmitting member 27, between the closed position and the open position. And a shutter member 26 having displaced shutter plates 31f and 32f. That is, by inserting the female connector 11 into the transmission member 27, the shutter plates 31f and 32f are arranged in the open position without performing any special operation. Therefore, the connection between the female connector 11 and the male connector 12 can be performed with a simple operation.

(Second Embodiment)
Next, a second embodiment of the present invention will be described with reference to FIGS. Since the second embodiment has a configuration in which the shutter unit of the first embodiment is changed, detailed description of the same parts is omitted.

  As shown in FIG. 8, the shutter portion provided in the male connector 50 of the present embodiment includes a casing 51 as an outer portion that houses a pair of connector main bodies 16 and a shutter plate 55. The casing 51 is formed in a box shape having an opening in the upper portion, and a hollow protruding portion 51f protruding sideways is formed on the left side wall portion 51c in the drawing. Further, a through hole for inserting the connector main body 16 is formed in the bottom wall portion of the casing 51 (not shown). The connector main body 16 is inserted in a state where a lower portion including the joint portion 19 protrudes downward from the housing 51.

  Grooves 52 are formed through the side walls 51a and 51b of the casing 51, respectively. The groove part 52 is formed over the range of the width direction and height direction of side wall part 51a, 51b, and the width direction of the protrusion part 51f. More specifically, the groove 52 is formed on the upper side of the side walls 51a and 51b, is formed on the first horizontal part 52a parallel to the width direction thereof, and on the protruding part 51f side of the side walls 51a and 51b. A vertical portion 52b extending in a direction perpendicular to the first horizontal portion 52a. Further, the groove 52 has a second horizontal portion 52c that is formed at a position on the protruding portion 51f of the side wall portions 51a and 51b, is parallel to the first horizontal portion 52a, and continues to the vertical portion 52b. .

  A shutter plate 55 is movably supported in the groove 52. As shown in FIG. 9, the shutter plate 55 includes a plurality of peak portions 55a and valley portions 55b provided between the peak portions 55a. The peak portions 55a are elongated, and the peak portions 55a are arranged so that the sides in the longitudinal direction face each other. These peak portions 55a are connected by a thin and flexible valley portion 55b. The length of the shutter plate 55 in the longitudinal direction, that is, the length in the arrangement direction of the peaks 55 a is the same as the length of the first horizontal portion 52 a of the groove 52.

  Of the shutter plate 55, the end portion of the peak portion 55 a is fitted into a groove portion 52 formed in the housing 51. With this configuration, the shutter plate 55 can be bent along the shape of the groove 52.

  Further, a wiping portion 55c made of an elastic member such as an elastomer or rubber is fixed to the lower surface of the mountain portion 55a so as to be substantially flush with the lower surface of the valley portion 55b so as to cover almost the entire area of the lower surface. Yes. An operation portion 55 d for moving the shutter plate 55 along the groove portion 52 is provided in the peak portion 55 a disposed at the end of each peak portion 55 a.

  Further, in the side wall portion 51 c of the housing 51, a restriction recess 51 e is formed so as to be cut out from the upper opening of the housing 51. The restriction recess 51e restricts the movement of the shutter plate 55 by contacting the operation portion 55d of the shutter plate 55.

  Next, the operation of the male connector 50 of this embodiment will be described. When the male connector 50 is not connected to the female connector 11, the shutter plate 55 is disposed at the closed position supported by the first horizontal portion 52a as shown in FIG. The distal end surface of the connector body 16 is blocked by the shutter plate 55 and is not exposed to the outside. Further, the operation portion 55d is disposed on the side wall portion 51d side which is the opposite side to the side wall portion 51c in which the regulation concave portion 51e is formed.

  When connecting the male connector 50 to the female connector 11, the shutter 55 is slid by pulling the operation portion 55d in the longitudinal direction of the groove portion 52 (X direction in the drawing). The shutter plate 55 moves from the first horizontal portion 52a to a position supported by the vertical portion 52b and the second horizontal portion 52c. At this time, the wiping portion 55 c of the shutter plate 55 moves while wiping the front end surface of the connector body 16. For this reason, when the fluid flowing through the female connector 11 and the male connector 50 is a liquid, the liquid adhering to the tip surface can be removed.

  When the operation portion 55d comes into contact with the restriction recess 51e, the movement of the shutter plate 55 is restricted, and the shutter plate 55 is disposed at the open position. At this time, the shutter plate 55 is bent along the groove portion 52 and accommodated in the end portion of the housing 51, so that the housing 51 can be saved in the horizontal direction.

  When the connection between the male connector 50 and the female connector 11 is released, after the connector body 16 is pulled out from the female connector 11, the operation portion 55d of the shutter plate 55 is set in the horizontal direction and the X direction. Pulling in the opposite direction displaces the shutter plate 55 from the open position to the closed position. At this time, the liquid or the like adhering to the distal end surface of the connector body 16 is wiped off by the wiping portion 55c of the shutter plate 55.

Therefore, according to the second embodiment, the following effects can be obtained.
(5) In the second embodiment, the shutter portion S is supported by the housing 51 that surrounds the male case 17 and the groove portion 52 formed in the housing 51. The shutter portion S has a closed position and an open position along the groove portion 52. And a shutter plate 55 that slides between them. For this reason, when the female connector 11 is not connected to the male connector 12, the male connection port 23 can be closed by arranging the shutter plate 55 at the closing position. For this reason, it can suppress that foreign materials, such as dust, adhere to the male side connection port 23 at the time of a non-connection.

  (6) The shutter plate 55 includes a wiping portion 55c that wipes the male connection port 23 when the shutter plate 55 is displaced between the closed position and the open position. For this reason, when the fluid flowing through the male connector 12 is a liquid, the shutter plate 55 is attached to the male connection port 23 when displacing from the closed position to the open position and from the open position to the closed position. The liquid etc. which were made can be removed. For this reason, it is possible to prevent foreign matters such as dust from being easily attached to the male connection port 23 due to the liquid.

  (7) The shutter plate 55 has a plurality of crests 55a and a plurality of troughs 55b formed between the crests 55a, and can be bent along the shape of the groove 52. For this reason, since the shutter plate 55 can be accommodated in the housing 51 along the bent groove 52, the housing 51 can be saved in the horizontal direction.

(Third embodiment)
Next, a third embodiment of the present invention will be described with reference to FIGS. Note that the third embodiment has a configuration in which only the shutter unit of the first embodiment is changed, and thus detailed description of the same parts is omitted.

  As shown in FIG. 11, the shutter portion provided in the male connector 60 of the present embodiment includes a housing 61 as an outer portion having an opening in the upper portion, and a lid body 62 slidably provided on the housing 61. Have On the side wall portions 61a and 61b of the housing 61, substantially cylindrical protrusions 61c and 61d are formed, respectively.

  The lid body 62 includes a first lid body 63 and a second lid body 64. The first lid body 63 and the second lid body 64 open at the side and the bottom surface facing each other and are combined with each other to form a lid body 62 that can close the male side connection port 23. A slide groove 63a is formed in the side wall of the first lid 63 obliquely from the upper right side to the lower left side in the drawing. On the side wall of the second lid 64, a slide groove 64a is formed symmetrically with the slide groove 63a of the first lid 63, that is, obliquely from the upper left side to the lower right side in the drawing. The projecting portions 61c and 61d are slidably fitted in the slide grooves 63a and 64a.

  Next, the operation of the male connector 60 of this embodiment will be described. When the male connector 60 is not connected to the female connector 11, as shown in FIG. 12, the protrusions 61c and 61d are disposed at the lowest end position P1 of the slide grooves 63a and 64a, and the first lid 63 and The 2nd cover body 64 is arrange | positioned in the obstruction | occlusion position where those end surfaces contact | abutted mutually. At this time, the male side connection port 23 is not exposed to the outside by the lid body 62. Therefore, dust can be prevented from adhering to the male connection port 23 when not connected.

  When connecting the male connector 12 to the female connector 11, the first lid 63 and the second lid 64 are opened outward. As a result, the protrusions 61c and 61d slide in the slide grooves 63a and 64a of the first lid 63 and the second lid 64, so that the first lid 63 and the second lid 64 are inclined downward. Each slides towards. As shown in FIG. 11, when the protrusions 61 c and 61 d are arranged at the uppermost end position P <b> 2 of the slide grooves 63 a and 64 a, the first lid 63 and the second lid 64 are male to the connector main body 16. It arrange | positions in the open position which exposes the side connection port 23. FIG.

  When releasing the connection between the male connector 60 and the female connector 11, the connector body 16 is removed from the female connector 11, and then the first lid body 63 and the second lid body 64 are rotated so as to approach each other. And displace to the closed position.

Therefore, according to the third embodiment, the following effects can be obtained.
(8) In the third embodiment, the shutter portion S includes a housing 61 that surrounds the connector body 16 and a pair of lids 63 and 64 that close together the male connection port 23 when combined with each other. Each of the lids 63 and 64 has symmetrical slide grooves 63a and 64a into which the protrusions 61c and 61d formed in the housing 61 are fitted, and slides along the slide grooves 63a and 64a. For this reason, when the female connector 11 is not connected to the male connector 60, the lids 63 and 64 can be displaced to the closed position, and the male connection port 23 can be closed. For this reason, it can suppress that foreign materials, such as dust, adhere to the male side connection port 23 at the time of a non-connection.

(Fourth embodiment)
Next, a fourth embodiment embodying the present invention will be described with reference to FIGS. Note that the fourth embodiment has a configuration in which only the shutter unit of the first embodiment is changed, and thus the detailed description of the same parts is omitted.

  As shown in FIG. 13, the shutter portion provided in the male connector 70 of the present embodiment includes a casing 71 as an outer portion having an opening in the upper portion, and a circular lid portion that is rotatably provided on the casing 71. 75.

  Insertion holes for inserting the pair of connector main bodies 16 are formed in the bottom wall portion of the casing 71 (not shown). The connector main body 16 is fixed to the housing 71 in a state where the lower part including the joint portion 19 protrudes from the bottom wall portion of the housing 71.

  The circular lid portion 75 includes an inner circular lid portion 76 and an outer circular lid portion 77 that is larger than the inner circular lid portion 76 and provided outside the inner circular lid portion 76. The inner circular lid portion 76 and the outer circular lid portion 77 are rotatably supported by the housing 71. In the present embodiment, a common shaft 71 a (see FIG. 14) formed in the housing 71 is inserted into holes formed in the base end portions of the inner circular lid portion 76 and the outer circular lid portion 77.

  Moreover, as shown in FIG. 14, the outer side circular lid part 77 has the protrusion piece 77a which protruded inside at the end. When the outer circular lid portion 77 is rotated from the closed position to the open position, the inner circular lid portion 76 is rotated by rotating the outer circular lid portion 77 by bringing the projecting piece 77a into contact with the inner circular lid portion 76. Follow the action.

  Next, the operation of the male connector 70 of this embodiment will be described. When the female connector 11 is not connected to the male connector 70, as shown in FIG. 15, the inner circular lid portion 76 is arranged on the left side in the drawing, and the outer circular lid portion 77 is arranged on the right side in the drawing, The male connection port 23 is closed. In addition, the position of each circular lid part 76 and 77 at this time is called a closed position.

  When the female connector is connected to the male connector 70, the outer circular lid portion 77 arranged at the closed position shown in FIG. 15 is rotated toward the inner circular lid portion 76 side. When the outer circular lid portion 77 is substantially overlapped with the inner circular lid portion 76, the projecting piece 77 a of the outer circular lid portion 77 comes into contact with the end surface of the inner circular lid portion 76. When the outer circular lid portion 77 is further rotated from this state, the inner circular lid portion 76 is rotated following the rotation operation.

  As a result, as shown in FIG. 14, the inner circular lid portion 76 and the outer circular lid portion 77 are accommodated in the accommodating space provided between the housing 71 and the connector main body 16. At this time, since the inner circular lid portion 76 and the outer circular lid portion 77 can be accommodated in an overlapping manner, it is possible to save the storage space.

  When the connection between the male connector 70 and the female connector 11 is released, after the connector body 16 is removed from the female connector 11, the outer circular lid portion 77 and the inner circular lid portion 76 are rotated to the closed position, respectively. Let

Therefore, according to the fourth embodiment, the following effects can be obtained.
(9) In the fourth embodiment, the shutter portion S includes a housing 71 that surrounds the connector main body 16 and a circular lid portion 75 that is pivotally supported by the housing 71. For this reason, when the male connector 70 is not connected to the female connector 11, the circular lid portion 75 can be rotated to the closing position to close the male connection port 23. For this reason, it can suppress that foreign materials, such as dust, adhere to the male side connection port 23 at the time of a non-connection.

In addition, you may change each said embodiment as follows.
In the fourth embodiment, the protruding piece 77 a of the outer circular lid portion 77 may be omitted, and the inner circular lid portion 76 may not be driven by the rotational operation of the outer circular lid portion 77.

  -You may provide the wiping part which wipes the male side connection port 23 in the male connector 60 as described in 3rd Embodiment, and the male connector 70 as described in 4th Embodiment. In the case of the male connector 60 described in the third embodiment, a wiping portion having a thickness and a shape capable of wiping the male connection port 23 is provided on the back surface of the lids 63 and 64, and is described in the fourth embodiment. In the case of the male connector 70, a wiping portion having a thickness and a shape capable of wiping the male connection port 23 is provided on the back surface of the circular lid portion 75.

-Wiping part 31i, 32i, 55c may be formed from the material which can absorb liquids, such as sponge and a nonwoven fabric, even if it is not an elastic member.
In each of the above embodiments, the shutter portion S is fixed to the male connector 12, but may be fixed to the female connector 11. Alternatively, both the male connector 12 and the female connector 11 may be fixed.

  The configuration and shape of the connector may be a configuration and shape other than the above-described embodiments, and it is sufficient that at least one of the male connector 12 and the female connector 11 includes the shutter portion S.

  DESCRIPTION OF SYMBOLS 11 ... Female connector as an external connector, 12, 50, 60, 70 ... Male connector, 17 ... Male side case as a housing, 18 ... Internal flow path, 23 ... Male side connection port, 27, 41, 42 ... Transmission member, 31f, 32f, 55 ... shutter plate, 31i, 32i, 55c ... wiping part, 51, 61, 71 ... casing as outer part, 52 ... groove part, 55a ... mountain part, 55b ... valley part, 61c, 61d: Projection, 62, 63, 64 ... Lid, 63a, 63b ... Groove, 75, 76, 77 ... Circular lid, S ... Shutter.

Claims (8)

In a connector having a housing having an internal flow path and a connection port communicating with the internal flow path and connected to an external flow path,
A connector comprising a shutter portion that is displaced between a closed position that closes the connection port and an open position that exposes the connection port.   The connector according to claim 1, wherein the shutter unit includes a wiping unit that wipes the connection port when the shutter is displaced between the closed position and the open position. The shutter part is
A transmission member that is displaced between a non-operation position and an operation position by insertion of an external connector including the external flow path;
The connector according to claim 1, further comprising a shutter plate that is displaced between the closed position and the open position according to the displacement of the transmission member.   The connector according to claim 3, wherein the shutter portion further includes an outer portion whose opening is closed by the shutter plate. The shutter part is
An outer portion surrounding the housing;
The connector according to claim 1, further comprising a shutter plate supported by a groove portion formed in the outer portion and slidingly moved between the closed position and the open position along the groove portion.   The connector according to claim 5, wherein the shutter plate has a plurality of crests and a plurality of troughs formed between the crests, and is bent along the shape of the groove. The shutter part is
An outer portion surrounding the housing;
A pair of lids that close each other when combined with each other,
2. The connector according to claim 1, wherein each of the lids has a groove for fitting a protrusion formed in the outer portion, and is displaced while sliding the protrusion inside the groove. The shutter part is
An outer portion surrounding the housing;
The connector according to claim 1, further comprising a circular lid that is pivotally supported by the outer shell.

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