TWI824844B - Connection device and electronic device - Google Patents

Abstract

In the connection device 1, when the elastic member 4 is in the non-connected state, the restoring force vector 81 approximately overlaps with the first reference line 82. As a result, the restoring force and the reaction force are balanced, the position of the control part 5 is maintained, and the state of the elastic member 4 is maintained in the non-connected state. When the position of the control part 5 is changed with the wire inserted between the terminal 31 and the elastic member 4 in the non-connected state, the portion of the control part 5 at which reaction force is generated shifts from the second portion 514 to the third portion. As a result, a second reference line is generated, and the elastic member 4 is restored from the non-connected state by the restoring force described above, and the wire is shifted to the connected state where it is held between the elastic member 4 and the terminal 31. Therefore, the force required to release the non-connected state can be reduced.

Description

Connectivity and electronic devices

The present invention relates to a connection device for connecting power supply lines and an electronic device provided with the connection device. [Reference to related applications] The invention in this case claims the priority rights of Japanese patent application JP2021-192626 filed on November 29, 2021. This application has incorporated all the disclosure contents of the application.

In the past, a so-called push-type connection device was used as a connection device for connecting power supply lines in control panels and the like. In the connection device, the electric wire is inserted into the insertion hole of the housing, and the electric wire is pressed against the conductive terminal by the leaf spring provided in the housing to achieve electrical connection.

For example, the electric wire connecting device of Patent No. 4202125 (Document 1) is provided with a rod-shaped operating key that can move forward and backward with respect to the housing. In this wire connecting device, by pressing the rod-shaped operating key toward the housing, the leaf spring in the housing is elastically deformed and separated from the metal conductive fitting. The front end of the rod-shaped operation key is engaged with the leaf spring to maintain the shape of the leaf spring. Thereby, the open state of the leaf spring separated from the metal conductive fitting is maintained. Moreover, after the wire is inserted into the wire connecting device in an open state, the rod-shaped operation key is pulled out from the housing to restore the elasticity of the leaf spring, and the wire is clamped between the leaf spring and the metal conductive fitting.

In this wire connecting device, when connecting the wire, it is necessary to pull out the rod-shaped operation key from the housing while maintaining the state of inserting the wire into the open wire connecting device. Therefore, the connecting operation of the electric wires is complicated, and it is difficult to shorten the time required for the connecting operation. In addition, the operator needs to hold the wire with one hand and operate the wand-shaped operation key with the other hand, so it is difficult to perform the connection work with one hand.

On the other hand, in the connection device of Patent No. 6675004 (Document 2), by pushing the operating part toward the inside of the housing, the leaf spring in contact with the operating part is deflected to an unconnected state, and in the In this state, the operating part is locked on the stepped portion of the housing, thereby maintaining the state of the leaf spring in the unconnected state. In addition, in this connection device, by pushing and rotating the status releasing part with the electric wire inserted into the housing, the status releasing part pushes out the operation part from the step part of the housing. Thereby, the locking of the operating part to the housing is released, and the leaf spring returns to clamp the electric wire between it and the terminal part. As a result, the wire connection work becomes easier.

In the connection device of Document 2, in order to prevent the operating part from being unintentionally unlocked from the housing, it is necessary to increase the step portion where the operating part is locked to a certain extent. However, if the step portion becomes larger, the force required to release the casing from the operating portion (that is, to release the unconnected state) will increase, which may reduce the operability of the connection device.

The present invention is a connecting device applied to power supply line connection, and its purpose is to reduce the force required to release the unconnected state.

A connection device in a preferred form of the present invention includes: a housing; a conductive terminal portion fixed to the housing; and an elastic member installed on the housing to connect the wires by restoring force. The elastic member is pressed and held by the terminal part; and the operating part applies force to the elastic member to deflect it from the initial state to the unconnected state, and maintains the unconnected state. The operation part includes: a first part for the elastic member to exert the restoring force; a second part for generating a reaction force against the restoring force in the unknotted state; and a third part, It is different from the aforementioned first part and the aforementioned second part. Let the vector of the aforementioned restoring force be the restoring force vector. The straight line connecting the first part and the second part is regarded as the first reference line. The straight line connecting the first part and the third part is regarded as the second reference line. When the elastic member is in the unknotted state, the restoring force vector substantially overlaps with the first reference line, and the restoring force and the reaction force reach a balance, thereby maintaining the position of the operating part and maintaining the state of the elastic member. In the aforementioned untied state. If the position of the operating part is changed while the electric wire is inserted between the terminal part and the elastic member in the unconnected state, the part where the reaction force is generated in the operating part is from the second part toward the Third site transfer. Thereby, the second reference line is generated, and the elastic member is restored from the unconnected state by the restoring force and shifts to the connected state in which the electric wire is clamped between the electric wire and the terminal portion. Thereby, the force required to release the untied state can be reduced.

Preferably, the operation part is provided with a cam part that rotates around a rotation axis provided in the housing. The cam portion is provided with a bearing into which the rotating shaft is inserted and whose inner diameter is larger than the outer diameter of the rotating shaft. When the elastic member transitions to the unconnected state, the cam portion rotates around the rotation axis, the distance between the first portion and the rotation axis increases, the elastic member deflects, and the elasticity The aforementioned restoring force of the member presses the aforementioned second portion against the support portion provided on the aforementioned housing. Furthermore, by substantially overlapping the restoring force vector with the first reference line, the rotational position of the operating part is maintained, and the state of the elastic member is maintained in the unconnected state. When the electric wire is connected, the cam part is displaced relative to the supporting part, and the pressing of the supporting part by the second part is released. Thereby, the third part, which is a part of the bearing, is pressed against the rotation shaft, and the part where the reaction force is generated in the operating part is transferred from the second part to the third part.

Preferably, the restoring force vector is slightly tilted to one side relative to the first reference line in the unknotted state, and when transitioning from the unknotted state to the tied state, the vector moves from the first datum line to the first datum line. Shift side to side.

Preferably, when the electric wires are connected, the position of the operation part is changed by transmitting force to the operation part through self-insertion of the electric wire, so that the part where the reaction force is generated in the operation part is moved away from the second operation part. The location is transferred towards the aforementioned third location.

Preferably, the connecting device further includes a release portion, which is displaced by being pressed by the inserted wire when the wire is connected, thereby contacting the operating portion to change the position of the operating portion. . The aforementioned release portion is a member integrated with the aforementioned terminal portion.

Preferably, in the non-wired state, a part of the operating part protrudes from the housing.

Preferably, a recognizable identification part is provided, and the identification part displays the position of the operation part.

Preferably, the elastic member is a leaf spring.

The present invention can also be applied to electronic devices. An electronic device according to a preferred embodiment of the present invention is provided with the above-mentioned connection device.

The above objects and other objects, features, aspects and advantages will become clear from the following detailed description of the invention with reference to the attached drawings.

Figure 1 is a front view of a connecting device 1 according to an embodiment of the present invention. In FIG. 1 , the cover portion on the front side of the connecting device 1 is omitted, and the internal structure of the connecting device 1 is shown. FIG. 2 is a top view of the connecting device 1 , and FIG. 3 is a right side view of the connecting device 1 . FIG. 4 is a longitudinal sectional view of the connecting device 1 cut off at the position IV-IV in FIG. 2 . In FIG. 4 , the structure deeper than the cross section is also shown. The same applies to other longitudinal sectional views described later. The connection device 1 is a push-in connection device for connecting wires. In FIGS. 1 to 4 , the state in which the electric wire is not inserted into the connection device 1 is shown. The connection device 1 is used, for example, in a terminal block of a control panel.

In the following description, the up-down direction and the left-right direction in FIG. 1 will also be referred to as "up-down direction" and "left-right direction" for short. In addition, the direction perpendicular to the paper surface in Figure 1 is also called the "thickness direction." Figure 4 shows a cross-section closer to the front than the center of the connecting device 1 in the thickness direction. The up-down direction, left-right direction and thickness direction do not necessarily need to be consistent with the installation direction when using the connecting device 1 . In addition, the up-down direction does not necessarily need to be consistent with the direction of gravity.

The connection device 1 includes a housing 2 , a terminal metal fitting 3 , an elastic member 4 and an operating part 5 . Figure 5 is a longitudinal sectional view of the housing 2. FIG. 6 is a front view of the terminal metal piece 3 , and FIGS. 7 and 8 are perspective views of the terminal metal piece 3 . Figure 9 is a front view of the elastic member 4. FIG. 10 is a front view of the operation part 5 .

The casing 2 is a substantially rectangular parallelepiped box-shaped member that opens toward the front side in the thickness direction. The housing 2 houses the terminal metal piece 3, the elastic member 4 and the operating part 5 inside. The housing 2 is made of resin, for example. The housing 2 is provided with an insertion hole 21 into which electric wires can be inserted. In addition, the housing 2 is provided with an operation hole 27 for operating the operation part 5 and a test hole 28 for power-on testing. In this embodiment, the operation hole 27 is arranged on the upper surface of the housing 2 . In addition, the insertion hole 21 and the test hole 28 are arranged on the right side of the housing 2 . The test hole 28 is separated from the insertion hole 21 and is arranged below the insertion hole 21 . A slit 29 extending in the up and down direction is also provided on the right side of the housing 2 . The slit 29 is separated from the insertion hole 21 and is arranged above the insertion hole 21 .

The terminal metal fitting 3 is a conductive member fixed to the housing 2, and is formed by processing a metal plate, for example. The terminal metal fitting 3 includes a terminal part 31 , a release part 32 , an external terminal 33 , a release connection part 34 and a metal fitting body 35 . The metal body 35 is a substantially flat plate-shaped portion extending substantially vertically in the thickness direction, and has a substantially rectangular shape when viewed from the front. The metal fitting body 35 is a connection part that connects the terminal part 31, the release part 32, the external terminal 33 and the release connection part 34 to form an integrated member.

The terminal portion 31 is a substantially flat-shaped portion extending along the upper end of the metal body 35 and protrudes from the upper end toward the deeper side in the thickness direction. In this embodiment, the terminal portion 31 is inclined slightly upward toward the right side. As will be described later, the electric wire is sandwiched between the terminal portion 31 and the elastic member 4 .

The release portion 32 is a substantially flat-shaped portion that extends in the substantially up-down direction on the left side of the metal fitting body 35 and has both main surfaces facing the left-right direction. The central portion of the release portion 32 in the up-down direction extends substantially parallel to the up-down direction. The portions above and below the central portion of the release portion 32 (that is, the upper and lower portions of the release portion 32 ) are slightly bent toward the right side from the central portion. The upper part of the release part 32 is an inclined part that goes to the right as it goes upward. The lower portion of the release portion 32 is an inclined portion that goes toward the right side as it goes downward.

The release portion 32 is connected to the upper left corner of the metal fitting body 35 when viewed from the front via the release connection portion 34 . The unconnecting portion 34 is a strip-shaped or rod-shaped portion extending upward from the corner of the metal body 35 and then to the left. The release connecting portion 34 is connected to the release portion 32 at approximately the center of the release portion 32 in the up-down direction. Since the portion of the release connection portion 34 connected to the release portion 32 is thin, it is easily deformed by a small force. For example, if a leftward force is applied to the lower part of the release part 32, the release part 32 slightly rotates clockwise with the connection part with the release connection part 34 as the approximate center, and the upper part of the release part 32 is displaced to the right.

The external terminal 33 is a substantially strip-shaped or substantially rod-shaped portion protruding downward from the lower end of the metal body 35 . In this embodiment, the two external terminals 33 extend downward from the lower end of the metal body 35 . The two external terminals 33 are fixed to the substrate of the control panel by, for example, soldering and are electrically connected. Thereby, the connection device 1 is mounted on the substrate. Alternatively, the external terminal 33 may be electrically connected to the wiring by direct welding to the wiring.

The elastic member 4 is an elastically deformable member installed on the housing 2 . In this embodiment, the elastic member 4 is a substantially strip-shaped leaf spring. The elastic member 4 may be formed of a conductive material or an insulating material such as resin. In this embodiment, the elastic member 4 is made of conductive metal. The elastic member 4 has, for example, a shape in which the central portion in the longitudinal direction is bent into a substantially L-shape, a substantially V-shape, or a substantially U-shape. In the following description, the bent portion of the elastic member 4 is referred to as the "bent portion 41". In addition, among the two parts of the elastic member 4 extending from the bent part 41 to the left, the lower part is called the "fixed part 42", and the part located above the fixed part 42 is called the "movable part 43". ”.

The housing 2 is provided with a substantially cylindrical elastic member support portion 22 extending in the thickness direction. The elastic member support portion 22 is partially surrounded in the circumferential direction by other parts of the housing 2, thereby forming There is a groove. The bent portion 41 of the elastic member 4 is inserted into the groove portion, whereby the elastic member 4 is installed on the housing 2 . Since the lower surface of the fixed portion 42 is in contact with the housing 2, the downward movement of the fixed portion 42 is restricted. Therefore, the fixing part 42 is substantially fixed to the housing 2 .

The movable portion 43 extends obliquely upward and to the left from the bending portion 41 on the upper side of the elastic member support portion 22 . The front end portion of the movable portion 43 (that is, the left end portion in FIG. 4 ) is in contact with the substantially central portion of the terminal portion 31 in the left-right direction from the lower side. In addition, the movable part 43 is in contact with the operating part 5 from the left side and the lower side. In the state shown in FIG. 4 , the movable part 43 is in surface contact with the operating part 5 . As will be described later, when the operating part 5 pushes the movable part 43 downward, the movable part 43 elastically deforms with the elastic member support part 22 as a fulcrum, flexes downward, and separates downward from the terminal part 31 . In addition, when the downward pressing force on the movable part 43 disappears, the movable part 43 returns to its original state (ie, elastic recovery) due to the restoring force.

In the state shown in FIG. 4 , as described above, the front end portion of the movable portion 43 of the elastic member 4 is in contact with the terminal portion 31 from the lower side. Thereby, the insertion path of the electric wire described later is blocked by the movable portion 43 of the elastic member 4 inside the insertion hole 21 (that is, on the left side). The states shown in FIGS. 1 to 4 are the states before the connection device 1 is used. In the following description, this state is also referred to as the "initial state".

The elastic member 4 in the initial state (that is, the state in which the insertion hole is closed) is slightly bent in the direction of bringing the fixed part 42 and the movable part 43 closer to each other. Thereby, the elastic member 4 can be prevented from falling off from the housing 2 . In addition, when the electric wire is clamped by the elastic member 4 and the terminal portion 31, sufficient clamping force (ie, holding force) can be exerted even when the electric wire is thin.

The above-mentioned test hole 28 is located at a position opposite to the curved portion 41 of the elastic member 4 . The operator inserts the probe of the measuring device into the test hole 28 of the connecting device 1 in the initial state and brings it into contact with the elastic member 4, so that the probe and the terminal part 31 can be electrically connected through the conductive elastic member 4. . Then, with this measuring device, the electrical performance of the connecting device 1 can be measured.

The operating part 5 is provided with a cam part 51 . The cam portion 51 is a plate-shaped member that is substantially rectangular in front view. A first through hole 511 and a second through hole 512 are provided in the center of the cam portion 51 . The second through hole 512 is located above the first through hole 511 in FIG. 4 . The first through hole 511 and the second through hole 512 respectively penetrate the cam portion 51 in the thickness direction. The shape of the first through hole 511 in plan view is a substantially elliptical or substantially oblong shape in which the diameter in the left-right direction is larger than the diameter in the up-down direction in FIG. 4 . The shape of the second through hole 512 in plan view is a substantially elliptical or substantially oblong shape in which the diameter in the left-right direction is larger than the diameter in the up-down direction in FIG. 4 . In the example shown in FIG. 4 , the width of the second through hole 512 in the left and right direction is larger than the width of the first through hole 511 in the left and right direction. A locking protrusion 517 protruding upward is provided at the lower edge of the second through hole 512 .

The rotating shaft 24 provided in the housing 2 is inserted into the first through hole 511 of the cam portion 51 . The rotation axis 24 is a substantially cylindrical portion extending in the thickness direction. The cam portion 51 is supported by the housing 2 and can rotate in a plane substantially perpendicular to the thickness direction with the rotation axis 24 as the approximate center. The cam portion 51 can rotate around the rotation axis 24 in the clockwise direction in Fig. 4 from the initial state shown in Fig. 4 . The inner peripheral surface of the first through hole 511 serves as the bearing 516 when the cam portion 51 rotates around the rotation axis 24 . The inner diameter of the first through hole 511 is larger than the outer diameter of the rotating shaft 24 . In the initial state shown in FIG. 4 , the rotating shaft 24 is located at a position to the left in the first through hole 511 .

The support portion 25 provided in the housing 2 is inserted into the second through hole 512 of the cam portion 51 . The support portion 25 is a substantially cylindrical portion extending in the thickness direction. The support portion 25 supports the cam portion 51 in a non-tied state described below. The outer diameter of the support portion 25 is smaller than the inner diameter of the second through hole 512 . In the initial state shown in FIG. 4 , the support portion 25 is located at a position biased to the right in the second through hole 512 . A locking convex portion 251 protruding downward is provided at the lower end of the support portion 25 . The locking convex portion 251 is engaged with the locking convex portion 517 of the second through hole 512 of the cam portion 51 to limit the displacement of the cam portion 51 in the unconnected state described below.

In the cam portion 51 , the portion 54 surrounding the first through-hole 511 and the second through-hole 512 (the portion marked with parallel oblique lines in FIG. 4 ) protrudes toward the front side in the thickness direction than the surrounding portions. In the following description, this portion 54 is also referred to as the “first protruding portion 54 ”. The first protrusion 54 surrounds the entire circumference of the first through hole 511 and the second through hole 512 . In addition, in the cam portion 51, a second protruding portion 55 is provided at a position separated from the first protruding portion 54 toward the lower side in FIG. 4, and the second protruding portion 55 is forward in the thickness direction than the surrounding portions. Side protrusion. The shape of the second protruding portion 55 is generally fan-shaped when viewed from above.

The cam portion 51 includes a cam lower convex portion 52 and a cam upper convex portion 53 . The cam lower protruding portion 52 is located below the first through hole 511 and the first protruding portion 54 in FIG. 4 . The shape of the cam lower convex portion 52 is approximately an inverted triangle when viewed from the front. The cam lower protruding portion 52 extends downward from the first through hole 511 and the lower portion of the first protruding portion 54 . The front surface of the cam lower convex portion 52 is located deeper than the front surface of the first protruding portion 54 . The cam upper convex portion 53 is a portion protruding toward the right side of the upper right end of the cam portion 51 in FIG. 4 . The shape of the cam upper convex portion 53 is substantially triangular in front view. The front surface of the cam upper convex portion 53 is located deeper than the front surface of the first protruding portion 54 .

In the initial state shown in FIG. 4 , the left side of the cam lower convex portion 52 is in surface contact with the movable portion 43 of the elastic member 4 from the right and upper side. In addition, the terminal portion 31 is located on the front side of the cam lower convex portion 52, and the cam lower convex portion 52 overlaps the terminal portion 31 in front view. In the initial state shown in FIG. 4 , the second protruding portion 55 of the cam portion 51 is located on the upper side of the terminal portion 31 and is in contact with the upper surface of the terminal portion 31 . This prevents the cam portion 51 from rotating counterclockwise from the initial state.

Next, the flow of connecting the electric wire to the connection device 1 will be described. First, the cam portion 51 is rotated clockwise around the rotation axis 24 from the initial state shown in FIG. 4 . When the cam part 51 rotates, for example, as shown in FIG. 11 , the operator inserts the front end of a tool 92 such as an ordinary flat-blade screwdriver into the operating hole 27 provided on the upper surface of the housing 2 to make it operate in the initial state. Part 5 contacts. Specifically, the front end of the tool 92 is in contact with the upper surface of the first protruding portion 54 of the cam portion 51 . The contact part between the tool 92 and the operating part 5 is located on the right side of the rotation axis 24 . Then, by pushing the tool 92 downward, the cam portion 51 rotates clockwise. When the cam portion 51 rotates clockwise from the initial state, the movable portion 43 of the elastic member 4 is pressed downward, causing the elastic member 4 to deflect, and the restoring force of the elastic member 4 acts on the elasticity of the cam portion 51 The contact point of component 4.

FIG. 12 is a diagram showing a state in which the cam portion 51 is rotated clockwise by approximately 10° from the initial state (see FIG. 11 ). The state shown in FIG. 12 is the state during the rotation of the operating part 5, and is not the connected state and non-connected state described later. As shown in FIGS. 11 and 12 , by rotating the cam portion 51 clockwise, the shortest distance between the contact portion of the cam portion 51 and the movable portion 43 of the elastic member 4 and the center of the rotation shaft 24 increases. If the shortest distance is increased and a downward force is applied to the elastic member 4 from the cam portion 51 , the elastic member 4 will deflect and deform. Specifically, the movable portion 43 of the elastic member 4 is pressed downward and separated from the terminal portion 31 downward.

In the state shown in Figure 12, the portion of the cam lower convex portion 52 of the cam portion 51 that is slightly to the left and above the lower end is in contact with the movable portion 43 of the elastic member 4, and the restoring force of the elastic member 4 acts on this portion. . In the following description, the part in the operating part 5 where the restoring force of the elastic member 4 acts is called the "first part 513". The first part 513 moves on the cam part 51 as the cam part 51 rotates. As described above, if the shortest distance between the first portion 513 and the center of the rotating shaft 24 (hereinafter, also simply referred to as “the distance between the first portion 513 and the rotating shaft 24”) increases, the cam portion 51 The restoring force is pushed upward, pressing the lower part of the first protruding part 54 against the lower end of the rotating shaft 24 . A reaction force against the restoring force of the elastic member 4 is generated at the lower portion of the first protruding portion 54 (specifically, the lower end portion of the inner circumferential surface of the first through hole 511 , which is a part of the bearing 516 ). In the following description, the portion of the operating portion 5 that is pressed toward the rotating shaft 24 by the restoring force of the elastic member 4 and generates a reaction force (that is, a part of the bearing 516) is called the "third portion 515."

In FIG. 12 , the vector of the restoring force of the elastic member 4 acting on the first part 513 of the operating part 5 (hereinafter also referred to as the “restoring force vector”) is shown by a thick arrow designated by the symbol 81 . In addition, a virtual straight line connecting the first part 513 and the third part 515, that is, the second reference line 83 is displayed as a two-point chain line. Furthermore, the above reaction force acts from the third portion 515 along the second reference line 83 . In other words, the vector of the reaction force extends from the third location 515 to the second reference line 83 . As mentioned above, the third portion 515 is a part of the bearing 516 of the operating portion 5. Specifically, it is a portion of the bearing 516 that contacts the lower end of the rotating shaft 24. Like the first portion 513 , the third portion 515 also moves on the bearing 516 as the cam portion 51 rotates.

In the state shown in FIG. 12 , the restoring force vector 81 does not overlap with the second reference line 83 , but faces upward in a state of being inclined further to the right than the second reference line 83 . Therefore, a counterclockwise rotational moment acts on the cam portion 51 due to the restoring force of the elastic member 4 . That is, in the state shown in FIG. 12 , if the operator does not continue to apply force to press the cam part 51 with the tool 92 , the elastic member 4 and the operating part 5 return to the initial state shown in FIG. 11 .

In actual operation, the operator does not keep the operating part 5 stationary in the state shown in FIG. 12 , but further rotates it to the state shown in FIG. 13 (hereinafter also referred to as the "unconnected state"). If the operating portion 5 is further rotated clockwise from the state shown in FIG. 12 , the first portion 513 approaches the lower end of the cam lower protruding portion 52 , and the distance between the first portion 513 and the rotation axis 24 further increases. Thereby, the movable portion 43 of the elastic member 4 is further pressed downward, and is further separated downward from the terminal portion 31 . Thereby, the insertion path of the electric wire from the insertion hole 21 toward the inside of the housing 2 is opened. In addition, the angle between the restoring force vector 81 and the second reference line 83 becomes smaller as the operating portion 5 rotates in the clockwise direction, and the restoring force vector 81 approaches the second reference line 83 . Thereby, the counterclockwise rotational moment acting on the cam portion 51 due to the restoring force of the elastic member 4 is reduced.

When the operating part 5 rotates from the initial state shown in FIG. 11 to the unconnected state shown in FIG. 13 , the first through hole 511 of the cam part 51 moves to the left relative to the rotation shaft 24 . In other words, the rotating shaft 24 moves relatively to the right in the first through hole 511 . That is, the third portion 515 that generates the reaction force moves rightward on the inner peripheral surface of the first through hole 511 (ie, the bearing 516). In addition, the second through hole 512 of the cam portion 51 moves to the right relative to the support portion 25 . In other words, the support portion 25 moves relatively to the left inside the second through hole 512 .

Then, in the unconnected state shown in FIG. 13 , the lower portion of the inner peripheral surface of the second through hole 512 contacts the support portion 25 from below. On the other hand, the inner peripheral surface of the first through hole 511 (that is, the bearing 516 ) is separated from the rotation shaft 24 . Thereby, the lower part of the inner peripheral surface of the second through hole 512 is pressed against the support part 25 by the restoring force of the elastic member 4 via the cam part 51 . This restoring force is not applied to the rotation shaft 24 but is supported by the support portion 25 . Therefore, the portion in the operating portion 5 that generates the reaction force against the restoring force is from the third portion 515 (see FIG. 12 ) toward the portion in contact with the support portion 25 in the inner peripheral surface of the second through hole 512 (hereinafter , called "second part 514") transfer. Furthermore, the first part 513, the second part 514 and the third part 515 are different parts respectively.

The reaction force in the non-tied state acts from the second part 514 along the virtual straight line connecting the second part 514 and the first part 513, that is, the first reference line 82. In other words, the vector of the reaction force extends from the second location 514 to the first reference line 82 . In the example shown in FIG. 13 , the first reference line 82 is longer than the second reference line 83 (refer to FIG. 12 ). In addition, in the non-wired state, the inner peripheral surface of the first through hole 511 may also be in contact with the rotating shaft 24. However, as mentioned above, the restoring force of the elastic member 4 via the cam portion 51 is supported by the supporting portion 25, so that A state that is not substantially applied to the rotating shaft 24 .

In the untied state shown in FIG. 13 , the lower end of the cam lower convex portion 52 of the cam portion 51 is the first portion 513 that contacts the movable portion 43 of the elastic member 4 . The restoring force vector 81 from the first part 513 substantially overlaps the first reference line 82, and the restoring force of the elastic member 4 and the reaction force generated by the operating part 5 to the restoring force are balanced. Therefore, neither the clockwise rotational moment nor the counterclockwise rotational moment acts on the cam portion 51 . Therefore, even if the operator's hand is separated from the operating part 5 (that is, even in a state where the operator does not apply force to the operating part 5), the circumferential position (that is, the rotational position) of the operating part 5 is still maintained as shown in FIG. 13 Indicates the non-tied state. In addition, the state of the elastic member 4 is also maintained in a non-tied state (ie, temporarily fixed). The movable portion 43 of the elastic member 4 extends in a substantially tangential direction of the cam portion 51 of the first portion 513 . The unconnected state shown in FIG. 13 is a temporarily fixed state in which the elastic member 4 is temporarily fixed while the elastic member 4 is deflected.

In the unconnected state, the locking protrusion 517 of the second through hole 512 is engaged with the locking protrusion 251 of the support part 25 . Thereby, the movement of the cam portion 51 is restricted so that the cam portion 51 does not rotate clockwise beyond this extent. In addition, the right end of the first protruding portion 54 of the cam portion 51 is in contact with the housing 2 . Thereby, the movement of the cam portion 51 is still restricted in such a manner that the cam portion 51 does not rotate clockwise beyond this extent.

In the unconnected state, the second protruding portion 55 of the cam portion 51 contacts the upper portion of the release portion 32 of the terminal metal piece 3 from the right side. In addition, the cam upper convex portion 53, which is a part of the operating portion 5, protrudes to the right side from the right side of the housing 2 through the slit 29 (see FIG. 3). The upper cam portion 53 protruding from the housing 2 can be recognized by the operator. Therefore, the operator can easily determine whether the connection device 1 is in the unconnected state. In addition, in the above-mentioned initial state, the cam upper convex portion 53 does not protrude from the housing 2 but is located inside the housing 2 .

FIG. 14 is a diagram conceptually showing the relationship between the displacement amount of the operating part 5 from the initial state and the rotational moment acting on the operating part 5 by the restoring force of the elastic member 4 . The horizontal axis in FIG. 14 shows the displacement amount (that is, the rotation angle) of the operation part 5 around the rotation axis 24 from the initial state, and the clockwise rotation angle in FIG. 11 is assumed to be positive. The vertical axis in Fig. 14 shows the above-mentioned rotational moment, and the counterclockwise moment in Fig. 11 is shown as positive. The point marked with symbol 85 in Figure 14 is a non-knotted state where the rotational moment is approximately 0. Furthermore, the change in the rotational moment actually acting on the operating portion 5 does not necessarily need to be the same as the change in the rotational moment shown as a straight line in FIG. 14 .

When the connection device 1 is in the unconnected state, as shown in FIG. 15 , the operator pulls out the tool 92 (see FIG. 13 ) from the operation hole 27 and inserts the electric wire 91 into the insertion hole 21 . The electric wire 91 is inserted into the housing 2 from the insertion hole 21 along a predetermined insertion direction, and is located between the terminal portion 31 and the elastic member 4 in an unconnected state. The insertion direction of the electric wire 91 with respect to the housing 2 is an inclination direction which is inclined with respect to the up-down direction and the left-right direction. Thereby, the electric wire 91 can be suppressed from protruding in the vertical direction from the connection device 1, and the electric wire 91 can be easily inserted into the insertion hole 21 while recognizing the insertion hole 21. The angle between the insertion direction and the up-down direction can be appropriately optimized depending on the place where the connecting device 1 is intended to be used, the operator's position, line of sight, etc.

The electric wire 91 may be, for example, a single-core wire or a thicker twisted wire. In addition, the electric wire 91 may be a wire in which a rod-shaped crimp terminal or the like is provided at the front end of a relatively thin twisted wire. The rod-shaped crimp terminal may be an insulation-coated crimp terminal with an insulating sleeve or the like provided at the root of the rod-shaped conductive part, or may be a bare crimp terminal without an insulating sleeve or the like. The diameter of the front end of the electric wire 91 can be variously changed according to the current capacity of the connecting device 1 to which the electric wire 91 is connected. In addition, the diameter of the portion other than the front end of the electric wire 91 can be variously changed. Furthermore, as will be described later, when the release part 32 is pressed by the electric wire 91, it is preferable that the diameter of the electric wire 91 is larger than a diameter that can ensure a load for the pressing.

The front end of the electric wire 91 is in contact with the release portion 32 of the terminal metal member 3 in the housing 2 . In the example shown in FIG. 15 , the front end of the electric wire 91 is in direct contact with the right side of the lower part of the release part 32 . That is, the right side of the lower part of the release part 32 is a receiving surface for receiving the electric wire 91 . The receiving surface is located deeper in the insertion direction of the electric wire 91 than the elastic member 4 in the unknotted state.

The operator slightly presses the electric wire 91 in the insertion direction with the front end of the electric wire 91 in direct contact with the release portion 32 . Thereby, the lower part of the release part 32 is pressed generally to the left, and the release part 32 is slightly rotated in the clockwise direction with the connection part with the release connection part 34 (see FIGS. 6 to 8 ) as the approximate center. As a result, the upper part of the release part 32 in contact with the second protrusion part 55 of the cam part 51 is slightly displaced to the right, and the second protrusion part 55 is pressed to the right by the upper part of the release part 32 . In addition, the upper part of the releasing part 32 may be slightly separated from the second protruding part 55 before the wire 91 is pressed, and may be displaced to the right by the pressing of the wire 91 and come into contact with the second protruding part 55 .

Then, the second protruding portion 55 is pushed to the right by the release portion 32, thereby causing the cam portion 51 to move counterclockwise from the position shown in Fig. 13 to the position shown in Fig. 15 with the second portion 514 as the approximate center. The direction is slightly rotated. That is, by transmitting force to the operation part 5 from the electric wire 91, the position (ie, the rotational position) of the operation part 5 is changed. In the state shown in FIG. 15 , the relative position of the rotating shaft 24 with respect to the first through hole 511 is slightly changed to the left from the unconnected state shown in FIG. 13 .

As shown in FIG. 15 , if the cam portion 51 slightly rotates in the counterclockwise direction from the unknotted state, the restoring force vector 81 will shift to the right from the first reference line 82 , and the restoring force of the elastic member 4 will rotate the cam portion 51 in the counterclockwise direction. The rotational moment acts on the cam portion 51 (corresponding to point 86 in Figure 14). As a result, the cam portion 51 further rotates counterclockwise, and the elastic member 4 returns from the unknotted state. As the cam part 51 rotates in the counterclockwise direction, the support part 25 is separated from the inner peripheral surface of the second through hole 512 of the cam part 51 and moves to the right relative to the second through hole 512. The rotation shaft 24 and the cam part 51 is in contact with the inner peripheral surface of the first through hole 511 (that is, the bearing 516). In addition, the rotation shaft 24 relatively moves to the left with respect to the first through hole 511 of the cam portion 51 .

In other words, by the relative displacement of the cam part 51 with respect to the rotating shaft 24 and the supporting part 25 , the pressing of the supporting part 25 by the second part 514 is released, and the third part 515 is pressed against the rotating shaft 24 . Thereby, the portion of the operating portion 5 that generates the reaction force to the restoring force of the elastic member 4 is transferred from the second portion 514 to the third portion 515 , thereby generating the above-mentioned second reference line 83 . In the example shown in FIG. 15 , the second reference line 83 is offset to the left from the restoring force vector 81 . In addition, the second reference line 83 is more inclined to the left than the first reference line 82 , and the offset between the second reference line 83 and the restoring force vector 81 is greater than the offset between the first reference line 82 and the restoring force vector 81 . Therefore, the counterclockwise rotational moment acting on the cam portion 51 also becomes large.

In addition, the second reference line 83 does not necessarily need to be inclined further to the left than the first reference line 82 , nor does it need to deviate from the first reference line 82 and the restoring force vector 81 . In addition, in the above example, the displacement of the cam portion 51 relative to the rotation axis 24 is the rotation around the rotation axis 24, and the movement (ie, sliding) in the left and right directions relative to the rotation axis 24, but these displacements may be synchronized. proceed or proceed in sequence. Alternatively, the displacement of the cam portion 51 relative to the rotation axis 24 may be only one of rotation about the rotation axis 24 and movement in the left-right direction relative to the rotation axis 24 .

In this way, by generating the second reference line 83, the cam portion 51 further rotates in the counterclockwise direction, the elastic member 4 further returns to its original position, and the movable portion 43 is displaced upward. Then, as shown in FIG. 16 , the elastic member 4 shifts to a connected state in which the electric wire 91 is sandwiched between the electric wire 91 and the terminal part 31 , thereby electrically and mechanically connecting the electric wire 91 and the terminal part 31 . In other words, after the electric wire 91 is inserted into the connection device 1, the connection is performed automatically (that is, the operator does not need to use tools or fingers other than the electric wire 91 to operate the operating part 5).

For example, the operator can also recognize the transition to the connected state by the vibration or sound generated when the electric wire 91 is pressed against the terminal portion 31 using the movable portion 43 of the elastic member 4 . This vibration or sound is generated, for example, when one of the elastic member 4, the electric wire 91, the terminal part 31, the operating part 5, and the housing 2 collides with another member. The connection device 1 may also adopt various structures that promote the generation of vibrations, sounds, etc., or amplify the vibrations, sounds, etc.

As shown in FIG. 16 , in the connecting device 1 in the wired state, the cam upper convex portion 53 of the cam portion 51 does not protrude from the housing 2 but is located within the housing 2 . In this way, even if the cam upper convex portion 53 (see FIG. 13 ) protruding toward the right side from the housing 2 in the unconnected state returns to the housing 2 and becomes invisible, the operator can still recognize the change from the unconnected state to the connected state. transfer. That is, the cam upper convex portion 53 is a recognizable identification portion (indicator) that displays the position of the operating portion 5 and displays whether the state of the connecting device 1 is a non-connected state.

In addition, when the connection device 1 is transferred from the unconnected state to the connected state, it is not necessary to press the lower part of the release part 32 with the wire 91 to rotate the cam part 51 in the counterclockwise direction. For example, in the untied state shown in FIG. 13 , the operator's fingertips can also be used to move the cam upper convex portion 53 protruding toward the right side from the housing 2 upward, so that the cam portion 51 can be moved in the counterclockwise direction. Rotate. In this way, in the connection device 1, the wires 91 can also be connected manually.

When detaching the electric wire 91 from the connecting device 1 in the connected state shown in FIG. 16 , for example, the operator inserts the front end of the tool 92 (see FIG. 11 ) into the operation hole 27 so that it contacts the cam portion 51 and then removes it. Press, thereby causing the cam portion 51 to rotate clockwise from the position shown in Figure 16 . Thereby, the movable portion 43 of the elastic member 4 is pressed downward and separated from the electric wire 91 downward, and the clamping of the electric wire 91 by the elastic member 4 and the terminal portion 31 is released. The operator can easily detach the wire 91 from the connecting device 1 by pulling the wire 91 out of the insertion hole 21 . Then, when the tool 92 is pulled out from the operation hole 27, the cam portion 51 rotates counterclockwise due to the restoring force of the elastic member 4 and returns to the initial state shown in FIG. 4 .

In the connection device 1, the operation hole 27 for the tool 92 to be inserted and the insertion hole 21 for the power supply wire 91 to be inserted are provided on different sides of the housing 2, and the insertion direction of the tool 92 is different from the insertion direction of the wire 91. Therefore, interference between the tool 92 and the electric wire 91 can be prevented, and the electric wire 91 can be easily detached from the connecting device 1 .

As described above, the connection device 1 to which the power supply line 91 is connected includes the housing 2 , the terminal part 31 , the elastic member 4 and the operation part 5 . The conductive terminal portion 31 is fixed to the housing 2 . The elastic member 4 is installed on the housing 2 and presses and clamps the electric wire 91 to the terminal part 31 by its restoring force. The operating part 5 applies force to the elastic member 4 to deflect it from the initial state toward the unconnected state and maintain the unconnected state. The operation part 5 includes a first part 513, a second part 514, and a third part 515. The restoring force of the elastic member 4 acts on the first part 513 . In the second part 514, a reaction force relative to the restoring force is generated in the non-knotted state. The third part 515 is a part different from the first part 513 and the second part 514.

Let the vector of the above-mentioned restoring force be regarded as the restoring force vector 81. Let the straight line connecting the first part 513 and the second part 514 be the first reference line 82 . The straight line connecting the first part 513 and the third part 515 is regarded as the second reference line 83 . When the elastic member 4 is in the untied state, the restoring force vector 81 substantially overlaps with the first reference line 82, and the restoring force and the reaction force reach a balance, thereby maintaining the position of the operating portion 5 and maintaining the state of the elastic member 4. in non-tied state. In addition, if the position of the operating part 5 is changed while the electric wire 91 is inserted between the terminal part 31 and the elastic member 4 in the unconnected state, the part where the reaction force is generated in the operating part 5 moves from the second part 514 toward the third part. The portion 515 is transferred to generate the second reference line 83 , and the elastic member 4 is restored from the unconnected state by the above-mentioned restoring force, and is transferred to the connected state in which the electric wire 91 is clamped between the electric wire 91 and the terminal portion 31 .

In this way, in the connection device 1, the part that generates the reaction force in the unconnected state (that is, the second part 514) is the same as the part that generates the reaction force when the position of the operating part 5 is changed (that is, the third part 515) different. Thereby, the contact area between the second part 514 and the housing 2 in the non-tied state can be reduced, the friction resistance between the operating part 5 and the housing 2 can be reduced, and the force required to release the non-tied state can be reduced. In addition, the contact area between the third portion 515 and the housing 2 can be increased when the position of the operating part 5 is changed, and the operating part 5 can be stably supported when the position of the operating part 5 is changed. That is, the connection device 1 can achieve both reduction of the force required to release the unconnected state and stable support of the operating portion 5 when the position is changed.

In addition, in the connection device 1, as mentioned above, the restoring force vector 81 only needs to substantially overlap the first reference line 82 in the unconnected state, and does not need to be strictly consistent. For example, even in the case where the restoring force vector 81 shown in FIG. 13 is slightly more inclined to the right than the first reference line 82 (that is, the rotational moment acting on the cam portion 51 is slightly more toward the point 85 shown in FIG. 14 86 side movement), it is sufficient to maintain the unconnected state by the friction force generated between the cam portion 51 and the elastic member 4. Even in this case, as described above, it is possible to realize the connection device 1 that can both reduce the force required to release the unconnected state and stably support the operating portion 5 when the position is changed.

As mentioned above, it is preferable that the operation part 5 includes the cam part 51 that rotates around the rotation axis 24 provided in the housing 2 . The cam portion 51 is provided with a bearing 516 whose inner diameter is larger than the outer shape of the rotating shaft 24 . The rotating shaft 24 is inserted into the bearing 516 . When the elastic member 4 transitions to the untied state, as the cam portion 51 rotates around the rotation axis 24 , the distance between the first portion 513 and the rotation axis 24 increases, and the elastic member 4 flexes. Furthermore, the second portion 514 is pressed toward the support portion 25 provided on the housing 2 by the restoring force of the elastic member 4, and the restoring force vector 81 substantially overlaps the first reference line 82, thereby maintaining the rotational position of the operating portion 5 , maintaining the state of the elastic member 4 in the unknotted state. In addition, when the electric wire 91 is connected, the cam portion 51 is displaced relative to the support portion 25 to release the pressing force of the second portion 514 on the support portion 25 . Thereby, the third part 515 , which is a part of the bearing 516 , is pressed toward the rotation shaft 24 , and the part where the reaction force is generated in the operating part 5 is transferred from the second part 514 to the third part 515 .

Thereby, it is possible to realize the connection device 1 with a simple structure that can reduce the force required to release the unconnected state and stably support the operating portion 5 when the position is changed. In addition, in this structure, increasing the contact area between the third portion 515 and the housing 2 when the position of the operating portion 5 is changed means increasing the diameter of the rotating shaft 24, thereby appropriately suppressing the rotating shaft. 24 deformation or damage.

As mentioned above, it is preferable to change the position of the operating part 5 by transmitting force to the operating part 5 through the self-inserted electric wire 91 when connecting the electric wire 91 so that the part of the operating part 5 that generates the reaction force is moved from the second The location 514 moves toward the third location 515. Thereby, the automatic wiring of the electric wire 91 can be realized.

As mentioned above, it is preferable that the connection device 1 further includes a release portion 32. When the wire 91 is connected, the release portion 32 is pressed and displaced by the inserted wire 91, thereby contacting the operation portion 5 to change the operation. Part 5 position. Thereby, the automatic wiring of the electric wire 91 can be realized with a simple structure. Furthermore, it is preferable that the release portion 32 is a member that is integrated with the terminal portion 31 . Thereby, the number of parts of the connecting device 1 can be reduced. In addition, the release part 32 has a receiving surface (in the above example, the right side of the lower part of the release part 32) that is in direct contact with the front end of the electric wire 91. Thereby, the force of pushing in the electric wire 91 can be efficiently transmitted to the operation part 5.

As mentioned above, it is preferable that part of the operating portion 5 (in the above example, the cam upper convex portion 53) protrudes from the housing 2 in the non-wired state. Thereby, the operator can directly contact the operation part 5 with his fingertips etc. without using the wire 91 or a tool. Therefore, the operator can directly apply force to the operating part 5 to displace the operating part 5 and transfer it from the unconnected state to the connected state. In other words, the operator can easily connect the electric wire 91 manually. Thereby, for example, even if the electric wire 91 is thin and it is difficult to transmit force to the operating portion 5 via the electric wire 91 , the electric wire 91 can be easily connected (that is, transferred from the unconnected state to the connected state).

As mentioned above, it is preferable that the connecting device 1 is provided with a recognizable identification portion (in the above example, the cam upper convex portion 53 ) that displays the position of the operating portion 5 . Thereby, an operator who operates the connecting device 1 can easily recognize the state of the connecting device 1 (ie, whether it is in a non-connected state). In addition, when the identification part is a part of the operating part 5 protruding from the housing 2 in the unconnected state (in the above example, the cam upper convex part 53), since this part of the operating part 5 also serves as a state The structure for identification and the structure for manual wiring can simplify the structure of the connecting device 1 .

As mentioned above, it is preferable that the elastic member 4 is a leaf spring. Thereby, the structure of the connecting device 1 can be further simplified.

As described above, in the connection device 1 , before the electric wire 91 is inserted, the position of the operating part 5 is maintained in the unconnected state in which the restoring force vector 81 substantially overlaps the first reference line 82 (that is, since the elastic member 4 acts on the cam The rotational moment of the portion 51 is approximately 0), but for example, as shown in FIG. 17 , the position of the operating portion 5 may be maintained in a state in which the restoring force vector 81 is slightly tilted to the left relative to the first reference line 82 .

In the state shown in FIG. 17 , the rotational moment acting on the cam portion 51 is in the clockwise direction, and the displacement amount (that is, the rotation angle) of the operating portion 5 from the initial state and the rotational moment acting on the operating portion 5 are As shown in FIG. 18 , the relationship is represented by point 87 located further to the lower right than point 86 (ie, the connected state) and point 85 (ie, the state where the restoring force vector 81 overlaps the first reference line 82 ). Therefore, since the elastic member 4 acts on the cam portion 51, a force is exerted on the cam portion 51 to rotate the cam portion 51 clockwise, but no force is exerted on the cam portion 51 to rotate counterclockwise and return to the connected state or the initial state.

In addition, in the example shown in FIG. 17 , the locking protrusion 517 of the second through hole 512 is engaged with the locking protrusion 251 of the support part 25 . Thereby, the movement of the cam part 51 is restricted so that the cam part 51 may not rotate clockwise more than this degree. In addition, the right end of the first protruding portion 54 of the cam portion 51 is in contact with the housing 2 . Thereby, the movement of the cam portion 51 is still restricted in such a manner that the cam portion 51 does not rotate clockwise beyond this extent.

When transitioning from the unconnected state shown in FIG. 17 to the connected state, substantially in the same manner as described above, the electric wire 91 (see FIG. 15 ) inserted into the insertion hole 21 exerts a counterclockwise force on the cam portion 51 via the release portion 32 Power. Thereby, as shown in FIG. 15 , the restoring force vector 81 shifts from the left side to the right side of the first reference line 82 , and the cam portion 51 rotates in the counterclockwise direction.

As mentioned above, in the example shown in FIG. 17 , the restoring force vector 81 is slightly tilted to one side relative to the first reference line 82 in the unknotted state. The one side of 82 is transferred to the other side. Thereby, the unconnected state can be maintained more stably.

Various modifications can be made to the above-mentioned connecting device 1 .

For example, in the connection device 1 , the elastic member 4 is not limited to a leaf spring, and may also have other structures (for example, a coil spring).

In the connection device 1, as mentioned above, the cam upper convex portion 53 of the operating portion 5 has the function of the identification portion, but other parts of the operating portion 5 or parts other than the operating portion 5 can also be used to display the position of the operating portion 5. The identification part of identification. Alternatively, the identification unit may not necessarily be provided.

In the connection device 1, a part of the operating portion 5 does not necessarily need to protrude from the housing 2 in the unconnected state. For example, regardless of the state of the connection device 1 , the entire operation part 5 may be located within the housing 2 , or a part of the operation part 5 may always protrude from the housing 2 .

The release part 32 does not necessarily need to be a member integrated with the terminal part 31, and may be a separate member from the terminal part 31.

In the operation part 5, the shape and structure of the cam part 51 are not limited to the above examples, and may be changed appropriately. In addition, the operation part 5 does not necessarily need to be equipped with the cam part 51. The initial state, unconnected state and connected state of the connection device 1 can also be realized by structures other than the cam portion 51 .

The above-mentioned connecting device 1 can be used to connect electric wires in various devices. The connection device 1 can also be used as part of various electronic devices. Examples of electronic devices equipped with the connection device 1 include relay sockets, relay modules, operating switches, control units, RFID (radio frequency identification, radio frequency identification) readers, switching power supplies, and programmable controls. breaker, low-voltage circuit breaker, electromagnetic switch, circuit protector, electromagnetic contactor, electromagnetic relay, inverter device, etc.

The configurations in the above-described embodiments and modifications may be combined appropriately as long as they do not conflict with each other.

Although the invention has been described and illustrated in detail, the foregoing description is merely illustrative and not limiting. Therefore, it can be said that various modifications or aspects can be adopted without departing from the scope of the present invention.

1:Connection device 2: Shell 3: Terminal metal parts 4: Elastic component 5: Operation Department 21: Insertion hole 22: Elastic member support part 24:Rotation axis 25:Support part 27:Operation hole 28:Test hole 29:Slit 31:Terminal part 32: Lifting Department 33:External terminal 34: Release the connection part 35:Metal body 41:Bending part 42: Fixed part 43: Movable part 51: Cam part 52: Cam lower convex part 53: Cam upper convex part 54:First protrusion 55:Second protrusion 81: Resilience vector 82:First baseline 83: Second baseline 85, 86, 87: points 91:Wire 92:Tools 251:Latching convex part 511: First through hole 512: Second through hole 513:The first part 514:Second part 515:The third part 516:Bearing 517:Latching convex part

Figure 1 is a front view of a connection device according to an embodiment. Figure 2 is a top view of the connecting device. Figure 3 is a right side view of the connecting device. Figure 4 is a longitudinal sectional view of the connecting device. Figure 5 is a longitudinal sectional view of the housing. Figure 6 is a front view of the terminal hardware. Figure 7 is a perspective view of the terminal metal parts. Figure 8 is a perspective view of the terminal metal parts. Figure 9 is a front view of the elastic member. Figure 10 is a front view of the operating unit. Figure 11 is a longitudinal sectional view of the connecting device. Figure 12 is a longitudinal sectional view of the connecting device. Figure 13 is a longitudinal sectional view of the connecting device. FIG. 14 is a diagram showing the relationship between the displacement amount of the operating part and the rotational moment. Figure 15 is a longitudinal sectional view of the connecting device. Figure 16 is a longitudinal sectional view of the connecting device. Figure 17 is a longitudinal sectional view of the connecting device. FIG. 18 is a graph showing the relationship between the displacement amount of the operating part and the rotational moment.

1:Connection device 2: Shell 3: Terminal metal parts 4: Elastic component 5: Operation Department 21: Insertion hole 24:Rotation axis 25:Support part 31:Terminal part 32: Lifting Department 43: Movable part 51: Cam part 52: Cam lower convex part 53: Cam upper convex part 54:First protrusion 55:Second protrusion 81: Resilience vector 82:First baseline 92:Tools 251:Latching convex part 511: First through hole 512: Second through hole 513:The first part 514:Second part 516:Bearing 517:Latching convex part

Claims (9)

A connecting device, which is a power supply line connector, and has: shell; A conductive terminal portion fixed to the aforementioned housing; An elastic member, which is installed on the housing and presses and clamps the electric wire to the terminal part by a restoring force; and An operating part that exerts force on the elastic member to deflect it from an initial state toward an unconnected state, and maintains it in the unconnected state; The aforementioned operating parts include: The first part is for the aforementioned elastic member to exert the aforementioned restoring force; The second part generates a reaction force relative to the restoring force in the aforementioned unknotted state; and The third part is different from the aforementioned first part and the aforementioned second part; Let the vector of the restoring force be the restoring force vector, let the straight line connecting the first part and the second part be the first reference line, and let the straight line connecting the first part and the third part be the second reference line. String, When the elastic member is in the unknotted state, the restoring force vector substantially overlaps with the first reference line, and the restoring force and the reaction force reach a balance, thereby maintaining the position of the operating part and maintaining the state of the elastic member. In the aforementioned untied state, If the position of the operating part is changed while the electric wire is inserted between the terminal part and the elastic member in the unconnected state, the part where the reaction force is generated in the operating part is from the second part toward the The third part is transferred, whereby the second reference line is generated, and the elastic member is restored from the unconnected state by the restoring force, and is transferred to a connected state in which the electric wire is clamped between the electric wire and the terminal portion. The connection device of claim 1, wherein the operation part is provided with a cam part that rotates around a rotation axis provided on the housing, The cam portion is provided with a bearing, the bearing is inserted into the rotating shaft, and the inner diameter is larger than the outer diameter of the rotating shaft, When the elastic member transitions to the unconnected state, the cam portion rotates around the rotation axis, and the distance between the first portion and the rotation axis increases, causing the elastic member to deflect, and the elasticity The aforementioned restoring force of the component presses the aforementioned second portion against the support portion provided on the aforementioned housing, and by the aforementioned restoring force vector substantially overlapping the aforementioned first reference line, the rotational position of the aforementioned operating portion is maintained, and the aforementioned The state of the elastic member is maintained in the aforementioned unknotted state, When the electric wires are connected, the cam part is displaced relative to the support part, and the pressure of the second part on the support part is released, whereby a part of the bearing, that is, the third part is pressed against the rotation shaft, The part where the reaction force is generated in the operation part is transferred from the second part to the third part. The connecting device of claim 1 or 2, wherein the restoring force vector is slightly tilted to one side relative to the first reference line in the unknotted state, and when it transitions from the unknotted state to the tied state, it automatically The first reference line shifts from one side to the other side. The connecting device of claim 1 or 2, wherein when the electric wires are connected, the force is transmitted to the operating part by self-insertion of the electric wires to change the position of the operating part, so that the aforementioned operation part is generated. The location of the reaction force is transferred from the aforementioned second location to the aforementioned third location. The connection device according to claim 4, further comprising a release portion that is displaced by being pressed by the inserted electric wire when the electric wire is connected, thereby contacting the operation portion to change the operation portion. Location, The aforementioned release portion is a member integrated with the aforementioned terminal portion. The connection device of claim 1 or 2, wherein in the non-connected state, part of the operation part protrudes from the housing. The connection device of claim 1 or 2, wherein a recognizable identification part is provided, and the identification part displays the position of the aforementioned operating part. The connecting device of claim 1 or 2, wherein the elastic member is a leaf spring. An electronic device having: The connecting device according to any one of claims 1 to 8.