JP2012251579A - Flow path connection structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a flow path connection structure capable of preventing breakage of a connector.SOLUTION: The flow path connection structure equipped with female connectors 15, which are provided with female-side cases 16 having a flow path through which fluid flows, and male connectors 30, which are provided with male-side cases having a flow path through which fluid flows and which are inserted into the female connectors 15, wherein: the sides of the male connectors 30 are surrounded by the walls of a connector C that configures a receiving part C1; and a mobile plate 35, which has through holes 35a for inserting therein the tips of the male connectors 30 and is capable of moving inside the receiving part C1, and a coil spring, which impels the mobile plate 35 to the height position of the surfaces of the male connector 30 tips that have been inserted in the mobile plate 35, are provided.

Description

  The present invention relates to a channel connection structure that connects a plurality of channels through which a fluid flows.

  As a flow path connection structure for connecting a plurality of flow paths, there is one having a female connector having a valve mechanism and a male connector having a valve mechanism and inserted into the female connector. As this kind of flow path connection structure, as shown in FIG. 9, a female first valve device 101 fixed to the fluid supply body 100, and a male second valve device 102 fixed to the device main body 103 (For example, refer to Patent Document 1).

  The first valve device 101 includes a movable valve seat structure 105 in the housing 104, a fixed valve body 106 fixed in the housing 104, and a compression coil spring 107 that biases the movable valve seat structure 105. ing.

  Further, the second valve device 102 includes a fixed valve seat constituting body 108 that is inserted into the first valve device 101, a movable valve body 109, and a compression coil spring 110 that biases the movable valve body 109. . The fixed valve seat structure 108 is provided in a state of protruding from the surface of the device main body 103.

  When connecting these valve devices 101 and 102, the second valve device 102 is inserted into the first valve device 101. At this time, the fixed valve seat structure 108 of the second valve device 102 presses the movable valve seat structure 105 of the first valve device 101 against the bias of the compression coil spring 107, and the first valve device 101 The fixed valve body 106 presses the movable valve body 109 of the second valve device 102 against the bias of the compression coil spring 110. As a result, the first valve device 101 and the second valve device 102 are opened, and the flow path of the first valve device 101 and the flow path of the second valve device 102 are communicated.

JP 2007-182971 A

  In the above-described flow channel connection structure, the first valve device 101 on the insertion side is provided in a state where the tip does not protrude from the fluid supply body 100, but the second valve device 102 on the insertion side is the device main body. It is provided in a state protruding from 103. For this reason, when the 2nd valve apparatus 102 is provided in the surface exposed to the exterior among the apparatus main bodies 103, for example, the 2nd valve apparatus 102 tends to contact objects other than the apparatus main body 103. FIG. Therefore, there is a possibility that foreign matter adheres to the second valve device 102 or the second valve device 102 may be damaged or deformed in some cases. Therefore, a structure for protecting the connector on the insertion side has been required.

  This invention is made | formed in view of the said problem, The objective is to provide the flow-path connection structure which can suppress damage to a connector.

  In order to solve the above problem, the invention according to claim 1 includes a first connector having a case having a flow path through which a fluid flows, and a case having a flow path through which the fluid flows. In the flow path connecting structure including the second connector to be inserted, the second connector is surrounded by an outer portion on the side, and has a through hole for penetrating the tip of the second connector, The gist is provided with a movable plate that is displaceable in the outer shell portion, and a biasing portion that biases the movable plate to a height position of a distal end surface of the second connector inserted through the movable plate.

  According to the first aspect of the present invention, the second connector is surrounded by the outer shell portion, and when each connector is not connected, the movable plate is biased to the height position of the distal end surface of the connector. At the time of connection, only the front end surface of the second connector is not exposed to the outside. For this reason, even if an unintended external force is applied to the outer shell or the like, the breakage of the second connector can be suppressed.

  According to a second aspect of the present invention, in the flow path connection structure according to the first aspect, the outer portion is configured by a wall portion of a connection body to which the second connector is connected, and the surface of the connection body The gist is that it is formed in a concave shape.

  According to the invention described in claim 2, since the outer portion is formed in a concave shape with respect to the exposed surface of the connecting body, the outer portion does not protrude from the exposed surface of the connecting body. For this reason, not only can the damage of the second connector be suppressed, but also the damage of the outer shell can be suppressed.

  According to a third aspect of the present invention, in the flow path connection structure according to the first aspect, the outer portion is configured by a case that is detachably provided to a connection body to which the second connector is connected. Is the gist.

  According to the third aspect of the present invention, since the outer portion is constituted by a case that is detachably provided to the connection body, the outer portion of the second connector can be provided even before the second connector is attached to the connection body. Damage can be suppressed.

Invention of Claim 4 makes it a summary for the flow-path connection structure of any one of Claims 1-3 that the said movable plate penetrates the said several 2nd connector.
According to the invention described in claim 4, since the movable plate penetrates the plurality of second connectors, when wiping off liquid or dust adhering to these second connectors when not connected, the movable plate If it wipes along the upper surface of this, the front end surface of each 2nd connector can be wiped at once. Therefore, since maintenance etc. can be performed easily, an effect can be exhibited especially.

  A fifth aspect of the present invention is the flow path connection structure according to any one of the first to fourth aspects, wherein the first connector is displaced by abutting against a case of the second connector. And a fixed valve fixed in the case of the first connector, the second connector includes a second valve body that is displaced by contacting the fixed valve, and the case of the first connector is And a contact portion that contacts the movable plate when the first connector and the second connector are connected, and the contact portion protrudes beyond the tips of the first valve body and the fixed valve. And

  According to the fifth aspect of the present invention, the case of the first connector includes a contact portion that contacts the movable plate when connected, and the contact portion protrudes beyond the tips of the first valve body and the fixed valve. For this reason, when connecting each connector, the contact portion first contacts the movable plate to lower the movable plate, and the second connector protrudes from the movable plate, so that the second connector is smoothly inserted into the first connector. can do.

  As described above, according to the present invention, there is an effect that it is possible to provide a flow path connection structure that suppresses destruction of the connector.

The principal part perspective view which shows the flow-path connection structure of 1st Embodiment which actualized this invention. Sectional drawing of the connector with which the flow-path connection structure was equipped. The perspective view which shows the partially fractured perspective structure of the flow-path connection structure. The principal part sectional drawing of the flow-path connection structure of a connection start state. Sectional drawing of the principal part of the flow-path connection structure in the middle of a connection. Sectional drawing of the principal part of the same flow-path connection structure of a connection completion state. The principal part perspective view which shows the flow-path connection structure of 2nd Embodiment which actualized this invention. The perspective view which shows the frame of the modification of the flow-path connection structure which actualized this invention. The perspective view which shows the conventional flow-path connection structure.

(First embodiment)
Hereinafter, a first embodiment embodying a flow path connection structure of the present invention will be described with reference to FIGS.

  As shown in FIG. 1, the flow path connection structure includes a first connector portion 11 connected to a first external flow path through which a fluid flows, a second external flow path through which a fluid flows, and a second external flow path. And a second connector portion 12 to be connected. The first connector part 11 and the second connector part 12 are connected to each other to connect the first external flow path and the second external flow path. The fluid flowing through the flow path connection structure may include liquid, gas, liquid or gas in which solid particles are dispersed, sol, and the like and can pass through the connector.

  In this embodiment, the 1st connector part 11 is being fixed to the position which is not directly exposed outside with respect to the apparatus main body which has a 1st external flow path, for example. Moreover, the 2nd connector part 12 has a 2nd external flow path, and is being fixed to the position exposed outside with respect to the connection body attached to the said apparatus main body so that attachment or detachment is possible.

  An example of a connection body to which the second connector portion 12 is fixed is a battery that is detachably mounted on a hybrid vehicle or an electric vehicle. In addition to the cells of the secondary battery, this battery includes a refrigerant flow path corresponding to the second external flow path, and cools the cells and the like by flowing the refrigerant through the refrigerant flow path. Moreover, as an example of a device main body to which the first connector portion 11 is fixed, a cooling device that is provided in a hybrid vehicle or an electric vehicle and circulates the refrigerant can be cited. The cooling device includes a refrigerant flow path corresponding to the first external flow path, and cools the battery by connecting the refrigerant flow path to the refrigerant flow path of the battery.

  First, the 1st connector part 11 is demonstrated according to FIG.1 and FIG.2. The first connector portion 11 includes a supply-side female connector 15A serving as a first connector that supplies fluid from the apparatus main body to the connection body C to which the second connector portion 12 is fixed, and fluid sent from the connection body. And a delivery-side female connector 15B as a first connector for delivering the device to the apparatus main body. Since the supply-side female connector 15A and the delivery-side female connector 15B have the same shape, the following description will be made simply as the female connector 15 when they are described without distinction.

  The female connector 15 includes a substantially cylindrical female side case 16 having a flow path inside. The female side case 16 is made of resin, and a flange portion 18 is formed at an end portion facing the second connector portion 12. As shown in FIG. 2, the collar portion 18 is formed so as to expand outward, and a female side connection port 16a is provided on the inner side. Further, a flow path 16b through which a fluid flows is provided in the female side case 16, and a flow path is provided at an end of the female side case 16 opposite to the end where the flange portion 18 is formed. A joint portion 17 that connects 16b and the first external flow path is fixed.

  A female side valve mechanism 20 that closes the female side connection port 16 a when the first connector portion 11 and the second connector portion 12 are not connected is provided inside the female side case 16. The female valve mechanism 20 includes a female valve body 21 as a first valve body that displaces in the female case 16 and a coil spring 22 that urges the female valve body 21 toward the female connection port 16a. ing. Further, a fixed valve 23 that is immovably fixed in the female side case 16 is immovably fixed inside the female side valve mechanism 20 in the radial direction.

  The female valve body 21 is made of resin and has a substantially cylindrical shape, and its outer diameter is formed to be slightly smaller than the inner diameter of the flow path 16 b of the female case 16. In addition, a seal ring 21 a that suppresses fluid leakage through the female side case 16 is fitted to the outer peripheral surface. The female valve body 21 accommodates the distal end portion of the fixed valve 23 therein.

  One end of the coil spring 22 is supported and fixed to the step surface 21 b formed on the inner side surface of the female valve body 21. Furthermore, a regulating portion 21c is formed at the end of the female side valve body 21 so as to project outward, and the regulating portion 21c abuts on a step surface 16c formed on the female side case 16, thereby allowing the female side valve The displacement range of the body 21 is restricted. In a state where no pressing force is applied to the female side valve body 21, the female side valve body 21 is urged to a closed position where the female side connection port 16 a is closed by the urging force of the coil spring 22. The female valve body 21 urged to the closed position is arranged such that the tip surface thereof is inside the female case 16 with respect to the tip position of the flange portion 18.

  In addition, a communication passage 23 a that communicates with the flow path 17 a of the joint portion 17 is formed at an end portion of the fixed valve 23 that is disposed on the joint portion 17 side. The fluid supplied to the flow path 17a of the joint portion 17 flows into the flow path 16b in the female side case 16 through the communication path 23a. A seal ring 23 b that suppresses fluid leakage between the fixed valve 23 and the female valve body 21 is fitted on the tip of the fixed valve 23.

  As shown in FIG. 1, the female connectors 15A and 15B having such a structure are inserted into a pair of through holes 26 formed in a rectangular connecting plate 25, and the female connectors 15A and 15B are The upper part of the connector to which the joint part 17 is connected is disposed so as to protrude above the connecting plate 25. Further, the lower part of the connector in which the flange portion 18 is formed protrudes below the connecting plate 25.

  Next, the 2nd connector part 12 is demonstrated according to FIGS. 1-3. As shown in FIG. 1, when the first connector portion 11 and the second connector portion 12 are not connected, the second connector portion 12 has an upper surface that is flush with the surface C2 of the connection body C. It is arranged. That is, the 2nd connector part 12 is provided in the state which does not protrude from the surface C2 of the connection body C. FIG.

  As shown in FIG. 3, the second connector portion 12 includes a supply-side male connector 30A as a second connector inserted into the supply-side female connector 15A and a second connector inserted into the delivery-side female connector 15B. And a sending-side male connector 30B. Since the supply-side male connector 30A and the delivery-side male connector 30B have the same shape, the following description will be made simply as the male connector 30 when they are described without distinction.

  As shown in FIG. 2, the male connector 30 includes a substantially cylindrical male side case 31 made of resin. A groove portion 32 is formed on the outer peripheral surface of the end portion of the male case 31 facing the first connector portion 11, and a seal ring 33 made of rubber or the like is fitted into the groove portion 32. Further, in the male connector 30, the end opposite to the end where the groove 32 is formed is inserted into a through-hole 34 a formed through the rectangular fixing plate 34, and the joint 39. The lower part of the male connector 30 including the protrusion is protruded below the fixing plate 34.

  As shown in FIG. 3, the fixing plate 34 is supported by a housing portion C <b> 1 formed in the connection body C. The accommodating part C1 is composed of a wall part of the connection body C as an outer part, and is recessed with respect to the surface C2 of the connection body C or is extended from the surface C2 into a cantilever shape. The inside is sized to accommodate the second connector portion 12.

  The distal ends of the male connectors 30 </ b> A and 30 </ b> B are fitted into a pair of through holes 35 a formed in the rectangular movable plate 35. The movable plate 35 is made of resin and has a size capable of closing the entire opening of the housing portion C1 and can be translated in the depth direction within the housing portion C1.

  Further, between the movable plate 35 and the fixed plate 34, the movable plate 35 closes the opening of the accommodating portion C1, and its upper surface is flush with the front end surfaces of the male connectors 30A and 30B. A coil spring 36 is provided as a biasing portion that biases the position. In this embodiment, the 2nd connector part 12 is provided with the two coil springs 36, and these coil springs 36 have penetrated each male connector 30A, 30B inside. With this configuration, when a pressing force is applied against the urging force of the coil spring 36 so as to push the movable plate 35 into the accommodating portion C <b> 1, the movable plate 35 descends toward the fixed plate 34. When the movable plate 35 is lowered as described above, the male connectors 30A and 30B protrude from the surface of the movable plate 35, and the male connectors 30A and 30B and the female connectors 15A and 15B can be connected.

  Next, the internal structure of the male connector 30 will be described. As shown in FIG. 2, a flow path 37 through which a fluid flows is provided inside the male side case 31, and a male side connection port 31 a is provided at one end of the flow path 37. Moreover, the flow path 37 has the large diameter flow path 37a and the small diameter flow path 37b provided in the male side connection port 31a side. Furthermore, a joint portion 39 that connects the large-diameter flow path 37a and the second external flow path is provided at an end portion of the male case 31 opposite to the end portion where the male connection port 31a is provided. It is connected.

  A male side valve mechanism 40 that closes the male side connection port 31a when the first connector portion 11 and the second connector portion 12 are not connected is provided inside the male side case 31. The male side valve mechanism 40 includes a male side valve body 41 as a second valve body that displaces inside the male side case 31, and a coil spring 42 that urges the male side valve body 41 toward the male side connection port 31a. ing.

  The male side valve body 41 is made of resin and is formed in a substantially covered cylindrical shape, and includes a base end portion 41a and a tip end portion 41b having a smaller diameter than the base end portion 41a. The base end portion 41a has a shape capable of coming into contact with the step surface 31b between the large-diameter channel 37a and the small-diameter channel 37b, and its outer diameter is slightly smaller than the inner diameter of the large-diameter channel 37a. . The outer diameter of the tip portion 41b is formed slightly smaller than the small diameter channel 37b.

  A through hole 41 c is formed in the peripheral wall portion of the male valve body 41. When the male valve body 41 escapes from the small-diameter channel 37b and fluid is introduced into the male case 31 from the opened male side connection port 31a, the fluid is connected to the joint through the through hole 41c. Sent to the unit 39 side. Further, a seal ring 41 d that suppresses fluid leakage through a gap between the male side case 31 and the male side valve body 41 is fitted to the tip of the male side valve body 41.

  When such a distal end portion 41b of the male valve body 41 is inserted into the small-diameter channel 37b, the male connection port 31a is closed and the fluid flow is blocked. Hereinafter, the position of the male valve body 41 in this state is referred to as a closed position.

  The coil spring 42 is disposed in the large-diameter channel 37a so as to be expandable and contractible, and biases the male valve body 41 to the closed position. When the pressing force is not applied to the male valve body 41 from the outside by the urging force of the coil spring 42, the male valve body 41 is disposed at the closed position.

  Next, the operation of the connector will be described. First, as shown in FIG. 3, the flange portion 18 as a contact portion of the female connector 15 provided in the first connector portion 11 and the male side connection port of the male connector 30 provided in the second connector portion 12. The connection body C provided with the second connector part 12 is brought close to the apparatus main body provided with the first connector part 11 so as to oppose 31a. Then, as shown in FIG. 4, the upper surface of the movable plate 35 of the second connector portion 12 is brought into contact with the flange portion 18 of the female connector 15.

  Then, when the connection body C is pressed toward the apparatus main body, the movable plate 35 in contact with the flange portion 18 resists the biasing force of the coil spring 42 from the initial position as shown in FIG. It goes down. When the movable plate 35 is lowered in this way, the male connector 30 protrudes from the through hole 35 a formed in the movable plate 35 and is inserted into the female side case 16. Further, the front end surface of the male valve body 41 of the male connector 30 abuts on the front end surface of the fixed valve 23 of the female connector 15, and the end surface of the male side case 31 is the female side valve body of the female connector 15. It will be in the state contact | abutted to the end surface of 21.

  When the connection body C is further pressed toward the apparatus main body, the distal end of the fixed valve 23 is inserted into the male side case 31, and the male side valve body 41 in contact with the fixed valve 23 receives the biasing force of the coil spring 42. The male side case 31 is pushed against.

  And as shown in FIG. 6, the front-end | tip part 41b of the male side valve body 41 is extracted from the small diameter flow path 37b of the male side case 31, and the front-end | tip part of the fixed valve 23 is inserted into the large diameter flow path 37a. Then, the female valve mechanism 20 and the male valve mechanism 40 are opened, and the fluid flows in the connector. At this time, the connecting plate 25 of the first connector portion 11 closes the opening of the housing portion C1, and the lower surface thereof is substantially the same height as the surface C2 of the connection body C.

  On the other hand, when the connection body C is removed from the apparatus main body, the second connector portion 12 is pulled out from the first connector portion 11 and their connection is released. As a result, the male valve body 41 is displaced toward the male connection port 31a by the biasing force of the coil spring 42, and the female valve body 21 is moved toward the female connection port 16a by the biasing force of the coil spring 22. Displace towards. Further, the movable plate 35 is displaced toward the initial position by the urging force of the coil spring 36, and closes the opening of the accommodating portion C1.

  Thus, before connecting the 1st connector part 11 and the 2nd connector part 12, and after canceling | releasing connection, the 2nd connector part 12 is a state which does not protrude from the surface C2 of the connection body C. For this reason, when the connection body C is not attached to the apparatus main body, it is possible to prevent foreign matter from adhering to or damage to the second connector portion 12 by coming into contact with another object.

  In addition, when the connection between the first connector portion 11 and the second connector portion 12 is released and then the liquid or dust adhering to the vicinity of the male connection surface 31a of each male connector 30A, 30B is wiped off, The movable plate 35 positioned on the same plane as the surface C2 of the body C may be wiped at once. For this reason, it is possible to remove fluid and dust by a simpler operation than wiping only the tip of the male connector 30.

  Further, the accommodating portion C <b> 1 that accommodates the second connector portion 12 is closed by the movable plate 35. For this reason, it can suppress that a liquid, dust, etc. adhere in the accommodating part C1 at the time of the storage of the connection body C, etc.

According to the first embodiment, the following effects can be obtained.
(1) In 1st Embodiment, the male connector 30 inserted in the female connector 15 is surrounded by the wall part which comprises the accommodating part C1 of the connection body C at the side. Further, when the female connector 15 and the male connector 30 are not connected, the movable plate 35 is urged to the height position of the front end surface of the male connector 30 and the surface C2 of the connection body C. The connector 30 does not protrude from the movable plate 35. That is, when not connected, the male connector 30 is in a state where it is not exposed to the outside except for the front end surface. For this reason, even if an unintended external force is applied to the connection body C, such as when the connection body C collides with an external object, damage to the male connector 30 can be suppressed. Moreover, it can suppress that foreign materials, such as dust, adhere to the outer peripheral surface etc. of the male connector 30. FIG. Furthermore, since the movable plate 35 is at the same height as the front end surface of the male connector 30, it is possible to easily wipe off liquid, dust, and the like attached to the front end surface of the male connector 30. In addition, when the male connector 30 and the female connector 15 are not connected, it is possible to prevent liquid, dust, and the like from adhering to the housing portion C1.

  (2) Since the movable plate 35 is inserted through the pair of male connectors 30A and 30B, the upper surface of the movable plate 35 is used when wiping off liquid or dust adhering to these male connectors when disconnected. The tip surfaces of the male connectors 30A and 30B may be wiped at once. Therefore, since maintenance etc. can be performed easily, an effect can be exhibited especially.

  (3) Since the accommodating portion C1 is formed in a concave shape with respect to the exposed surface of the connection body C, not only the male connector 30 but also the accommodation portion C1 surrounding the male connector 30 is the surface C2 of the connection body C. Do not protrude from. For this reason, not only can the breakage of the male connector 30 be suppressed, but also the breakage of the outer portion surrounding the male connector 30 can be suppressed.

  (4) The female case 16 of the female connector 15 includes a flange 18 that contacts the movable plate 35 when connected, and the flange 18 protrudes beyond the tips of the female valve body 21 and the fixed valve 23. For this reason, when the male connector 30 and the female connector 15 are connected, the collar portion 18 first comes into contact with the movable plate 35 to lower the movable plate 35 and cause the male connector 30 to protrude from the movable plate 35. The mold connector 30 can be smoothly inserted into the female connector 15.

(Second Embodiment)
Next, a second embodiment of the present invention will be described with reference to FIG. The second embodiment has a configuration in which only the second connector portion of the first embodiment is changed. Therefore, detailed description of the same parts is omitted.

  In the present embodiment, the second connector portion 12 includes a case 55 as an outer portion that accommodates the male connectors 30A and 30B. The case 55 has a box shape with an opening at the top, and the opening is closed by the movable plate 35. The movable plate 35 is urged by the coil spring 36 to an initial position where the upper surface thereof is flush with the surface C2 of the connection body C. In addition, a through hole 55 a through which the male connector 30 is inserted is formed in the bottom wall portion of the case 55.

  The second connector portion 12 is housed in a housing portion C3 that is recessed in the surface C2 of the connection body C. The depth of the accommodating portion C3 is substantially the same as the height of the case 55. In addition, a hole communicating with the through hole 55a is provided in the bottom wall of the housing part C3 so that the lower part of the male connector 30 protrudes below the housing part C3.

  For this reason, when the 2nd connector part 12 is accommodated in the accommodating part C3, the surface C2 of the connection body C, the end surface of the case 55, and the upper surface of the movable plate 35 will be arrange | positioned on the same surface. Therefore, the case 55 and the male connector 30 do not protrude from the surface C2 of the connection body C.

Therefore, according to the second embodiment, in addition to the effects (2) to (4) described in the first embodiment, the following effects can be obtained.
(5) In the second embodiment, the male connector 30 to be inserted into the female connector 15 is surrounded by the case 55 on its side. Further, when the female connector 15 and the male connector 30 are not connected, the movable plate 35 is biased to the height position of the distal end surface of the male connector 30, so that the male connector 30 protrudes from the movable plate 35. do not do. For this reason, even if an unintended external force is applied to the connection body C, such as a collision with an external object, damage to the male connector 30 can be suppressed. Further, since the movable plate 35 is at the same height as the front end surface of the male connector 30, it is possible to easily wipe off liquid, dust, and the like attached to the front end surface of the male connector 30. Furthermore, when the male connector 30 and the female connector 15 are not connected, it is possible to prevent liquid and dust from adhering to the housing portion C1.

In addition, you may change each said embodiment as follows.
-The movable plate which closes the 2nd connector part 12 may be frame 50 which has a side wall, as shown in FIG. The frame 50 has a pair of fitting holes 51 through which the male connector 30 is inserted. Further, the height 50 of the frame 50 is lower than the depth of the accommodating portion C <b> 1 of the connection body C by the amount that the male connector 30 is inserted into the female connector 15. Further, the frame body 50 is urged by the coil spring 36 to an initial position where the upper surface of the frame body 50 is flush with the surface C2 of the connection body C, and can be displaced in the housing portion C1. Further, the frame body 50 may be provided so as to surround the male connector 30 protruding from the surface C2 of the connection body C. In this case, the connection body C is provided with a recess for housing the frame body 50 and an urging portion provided in the recess, and when not connected, the frame body 50 protrudes from the surface C2 of the connection body C and is connected. Sometimes it may be housed in the recess.

  In each of the above embodiments, the flow path connection structure is provided with one pair of male connectors 30 and one pair of female connectors 15, but one male connector 30 and one female connector 15 are provided. You may make it prepare. Further, three or more male connectors 30 and three or more female connectors 15 may be provided.

-Although the urging | biasing part which urges | biases the movable plate 35 was actualized in the coil spring, you may materialize to what shape | molded the rubber | gum and sponge which can be elastically deformed to the same height as the accommodating part.
In each of the above embodiments, the fluid is allowed to flow from the female connector 15 toward the male connector 30. However, the fluid may be allowed to flow from the male connector 30 toward the female connector 15.

The connecting plate 25 for connecting the female connector 15 may be provided at a position such that the surface thereof is flush with the front end surface of the female connector 15.
When the first connector unit 11 is disposed at a position exposed to the outside of the apparatus body, the outer portion, the movable plate, and the movable plate are urged to the initial position on the first connector unit 11 And an urging unit that performs the above operation.

  In each of the above embodiments, the first connector portion 11 is fixed to the apparatus main body, and the second connector portion 12 is fixed to the connection body C. However, the reverse may be possible. Moreover, you may fix to things other than an apparatus main body and the connection body C.

  The movable plate 35 only needs to be biased to a height position that is flush with the tip surface of the male connector 30. For example, if the movable plate 35 does not protrude from the surface C2 of the connection body C, the same surface as the surface C2 It doesn't have to be above. For example, the upper surface of the movable plate 35 may be biased to a position lower than the surface C2 of the connection body C.

  The configuration of the male connector 30 and the female connector 15 may be other configurations. For example, the male connector 30 and the female connector 15 may have a configuration in which the valve mechanism is omitted. In short, it is only necessary that at least the male connector 30 is surrounded by the outer shell and the front end surface of the male connector 30 and the upper surface of the movable plate 35 are arranged on the same plane.

  DESCRIPTION OF SYMBOLS 11 ... 1st connector part, 12 ... 2nd connector part, 15,15A, 15B ... Female connector as 1st connector, 16 ... Female side case, 16b, 17a, 37 ... Flow path, 18 ... As contact part , 20 ... Female side valve mechanism as the first valve mechanism, 21 ... Female side valve body as the first valve body, 22 ... Coil spring, 23 ... Fixed valve, 30, 30A, 30B ... As the second connector Male connector, 31 ... male side case, 35 ... movable plate, 26, 35a ... through hole, 36 ... coil spring as urging portion, 37 ... flow path, 40 ... male side valve as second valve mechanism Mechanism: 41 ... Male valve body as second valve body, 42 ... Coil spring, 55 ... Case, C ... Connection body, C1, C3 ... Housing, C2 ... Surface.

Claims (5)

A first connector comprising a case having a flow path through which fluid flows;
A flow path connection structure comprising a case having a flow path through which a fluid flows, and a second connector inserted into the first connector,
The second connector is surrounded by an outer portion on its side,
A movable plate having a through hole for penetrating the tip of the second connector, and capable of being displaced in the outer portion;
A flow path connection structure comprising: an urging portion that urges the movable plate to a height position of a distal end surface of the second connector inserted through the movable plate.   2. The flow path connection structure according to claim 1, wherein the outer portion includes a wall portion of a connection body to which the second connector is connected, and is formed in a concave shape with respect to the surface of the connection body.   The flow path connection structure according to claim 1, wherein the outer portion is configured by a case that is detachably provided to a connection body to which the second connector is connected.   The flow path connection structure according to claim 1, wherein the movable plate penetrates the plurality of second connectors. The first connector includes a first valve body that is displaced by coming into contact with the case of the second connector, and a fixed valve fixed in the case of the first connector,
The second connector includes a second valve body that is displaced by coming into contact with the fixed valve,
The case of the first connector includes an abutting portion that abuts on the movable plate when the first connector and the second connector are coupled, and the corresponding contacting portion is formed from the tips of the first valve body and the fixed valve. The channel connection structure according to any one of claims 1 to 4, wherein the channel connection structure also protrudes.

Images