Switching equipment

Abstract

To manufacture switching equipment having excellent assemblability and slidability.SOLUTION: Switching equipment comprises: a case 1; a control knob 2 assembled movably to the case; a push rod 3 that is inserted in an insertion hole 11 formed in the case and having a predetermined length and moves along a longer direction of the insertion hole according to movability of the control knob; and contacts 4, 5 that are turned on / off according to movement of the push rod. The case 1 is provided with a positioning part 12 that positions the push rod 3 at an assembling position along the longer direction of the insertion hole 11 before the control knob is assembled to the case. When the control knob is assembled to the case, the push rod 3 in contact with the control knob 2 moves from the assembling position along the longer direction of the insertion hole 11 to cancel engagement of the push rod 3 with respect to the positioning part 12.SELECTED DRAWING: Figure 6

Description

[Technical Field]

[0001] The present disclosure relates to a switch device. [Background technology]

[0002] One type of switch device that can be mounted in a vehicle is one that has an operating knob, as described in Patent Document 1. The switch device described in Patent Document 1 is equipped with a rod-shaped pusher that moves within a guide tube portion formed in a case that supports the operating knob, and that moves to transmit the swinging or depression of the operating knob to a contact. In this case, the guide tube portion formed in the case and into which the pusher is inserted must be sized to achieve both accurate positioning of the pusher during assembly and smooth movement (sliding) of the pusher when the operating knob is operated. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2015-82375 Summary of the Invention [Problem to be solved by the invention]

[0004] However, in the configuration of the switch device of Patent Document 1, it is difficult to set appropriate dimensions for the guide tube portion into which the pusher is inserted so as to achieve both the contradictory characteristics of accurate alignment during assembly and smooth sliding during operation. As a result, there is a problem in that it is difficult to manufacture a switch device that is easy to assemble and has excellent sliding properties.

[0005] Therefore, an object of the present disclosure is to manufacture a switch device that is easy to assemble and has excellent slidability. [Means for solving the problem]

[0006] A switch device according to one embodiment of the present disclosure includes: Case and an operation knob movably attached to the case; a push rod that is inserted into an insertion hole having a predetermined length formed in the case, that abuts against the operation knob, and that moves along the longitudinal direction of the insertion hole in response to movement of the operation knob; a contact that is turned on and off in response to movement of the push rod; Equipped with a positioning portion is provided on the case, with which a portion of the push rod is engaged before the operation knob is assembled to the case, thereby positioning the push rod at an assembly position along the longitudinal direction of the insertion hole; When the operation knob is assembled to the case, the push rod in contact with the operation knob moves from the assembly position along the longitudinal direction of the insertion hole, and a part of the push rod is disengaged from the positioning portion. The structure is as follows. Furthermore, a method for assembling a switch device according to an embodiment of the present disclosure includes: Case and an operation knob movably attached to the case; a push rod that is inserted into an insertion hole having a predetermined length formed in the case, that abuts against the operation knob, and that moves along the longitudinal direction of the insertion hole in response to movement of the operation knob; a contact that is turned on and off in response to movement of the push rod; A method for assembling a switch device comprising: a positioning portion provided on the case, the push rod being engaged with a portion of the push rod, and the push rod being positioned at an assembly position along the longitudinal direction of the insertion hole; When assembling the operation knob to the case, the push rod abutting against the operation knob is moved from the assembly position along the longitudinal direction of the insertion hole to release a part of the push rod from the positioning portion. The structure is as follows. [Effects of the Invention]

[0007] With the above-described configuration, the present disclosure makes it possible to manufacture a switch device that is easy to assemble and has excellent sliding properties. [Brief explanation of the drawings]

[0008] [Figure 1] 1 is a diagram illustrating an external appearance of a switch device according to the present disclosure. [Figure 2] 2 is a cross-sectional view showing the internal configuration and operation of the switch device disclosed in FIG. 1. [Figure 3] FIG. 2 is a cross-sectional view showing components of the switch device disclosed in FIG. 1. [Figure 4] 3A to 3C are cross-sectional views showing an assembly process of the switch device disclosed in FIG. 1. [Figure 5] 3A to 3C are cross-sectional views showing an assembly process of the switch device disclosed in FIG. 1. [Figure 6] 2 is a diagram showing components of the switch device disclosed in FIG. 1. FIG. DETAILED DESCRIPTION OF THE INVENTION

[0009] <Embodiment 1> A first embodiment of the present disclosure will be described with reference to Figures 1 to 6. Below, the configuration of the switch device will be described, and the assembly method and operation thereof will be described.

[0010] [composition] The switch device in this embodiment is a push-button type switch device equipped in a vehicle. As shown in Fig. 1, the switch device in this embodiment includes a case 1 and an operation knob 2 movably attached to the case. Note that the switch device shown in Fig. 1 has the upper side in the figure as the front side, and the upper surface of the operation knob 2 located on the front side as the operation surface. As shown by arrow Y2 in Fig. 3, the switch is configured to change from an off state to an on state by pressing the operation surface of the operation knob 2 from the top to the bottom in the figure.

[0011] Fig. 2 shows a partial configuration of Fig. 1, and Fig. 3 shows a partial cross-sectional view taken along line AA in Fig. 1. As shown in Figs. 2 (2-1) and 3 (3-1), the operation knob 2 has an operation surface 2a located on the front side and forming the top surface, and a side surface 21 located around the operation surface and extending to the back side, and is formed in a lid-like shape as a whole. As a result, as shown in the cross-sectional view of Fig. 3 (3-1), the operation knob 2 is attached to the case 1 by covering part of the case 1 from the front side. Note that a protrusion 22 protruding toward the back side is formed on the back side of the operation surface 2a of the operation knob 2. As will be described later, the protrusion 22 abuts against a push rod 3 provided inside the case 1.

[0012] 2(2-1), a claw portion 23 (engagement portion) is formed on a side surface 21 of the operation knob 2, protruding from the side surface 21. The claw portion 23 is formed so that a lower portion on the back surface side is inclined, and the height from the side surface 21 gradually increases from the back surface side toward the front surface side. The upper portion on the front surface side of the claw portion 23 is formed so as to have a flat surface protruding approximately perpendicularly from the side surface 21.

[0013] Then, case holding portions 13 (engagement portions) are formed on the side surfaces located around the periphery of the case 1, corresponding to the claw portions 23 of the operation knob 2 described above. Specifically, as shown in FIG. 2(2-2), the side surfaces of the assembled operation knob 2 are positioned inside and adjacent to the side surfaces of the case 1, and an annular case holding portion 13 with a hollow interior is formed at the adjacent location. The claw portions 23 of the assembled operation knob 2 are disposed in the annular hollow portion of the case holding portion 13, so that the case holding portion 13 and the claw portions 23 engage with each other. At this time, the hollow portion of the case holding portion 13 is formed larger than the outer shape of the claw portions 23 in the vertical direction, so that the claw portions 23 can move up and down within the hollow portion. In other words, the operation knob 2 can move up and down within the hollow portion of the case holding portion 13 within the range of movement of the claw portions 23, as indicated by arrow Y1 in FIG. 2(2-2). 2(2-2) shows a state in which the operation knob 2 is in a pre-operation position when it is not pressed downward, and when it is pressed downward, the claw portion 23 moves downward within the hollow portion of the case holding portion 13 from the state of FIG. 2(2-2), and the operation knob 2 itself moves downward to a post-operation position. As will be described later, when the operation knob 2 is in the post-operation position in which it is pressed downward, it is urged to move upward by the push rod 3 provided inside the case 1, and moves to return to the pre-operation position as shown in FIG. 2(2-2). However, in the pre-operation position, the flat portion on the front surface of the claw portion 23 abuts against the inner wall of the annular hollow portion of the case holding portion 13, and further movement toward the front surface is restricted.

[0014] The above-described structures of the case holding portion 13 and the claw portion 23 are merely examples, and the case holding portion 13 and the claw portion 23 may be engaged with each other in any structure without being limited to these structures. In addition, the case holding portion 13 and the claw portion 23 may be formed in any position.

[0015] 3(3-1), a push rod 3 of a predetermined length is provided inside the switch device, extending from the front side along the back side. Here, FIG. 4 shows a cross-sectional view of the case 1 and a cross-sectional view of the push rod 3 shown in FIG. 3.

[0016] As shown in Figures 3 (3-1) and 4 (4-1), an insertion hole 11 of a predetermined length extending from the front side to the back side is formed inside the case 1. As shown in Figure 3 (3-1), a push rod 3 is inserted into the insertion hole 11 of the case 1 to be installed. As a result, when the push rod 3 is inserted into the insertion hole 11 of the case 1, one end of the push rod 3 is located at one end of the insertion hole 11 located on the front side of the case 1, and the other end of the push rod 3 is located at the other end of the insertion hole 11 located on the back side of the case 1. In this case, the inner diameter of the insertion hole 11 is formed to be slightly larger than the outer diameter of the portion into which the push rod 3 is inserted, and is formed to a dimension that improves the sliding properties of the push rod 3.

[0017] Furthermore, a positioning portion 12 is formed on the back side of the case 1 at the other end of the insertion hole 11. When the push rod 3 is assembled to the case 1 as described below, the other end of the push rod 3 engages with the positioning portion 12, thereby positioning the push rod 3 at an assembly position along the longitudinal direction of the insertion hole 11. Specifically, as shown in FIG. 4 (4-1), the positioning portion 12 is formed as a fitting hole extending from the back side to the front side of the case 1. The fitting hole that is the positioning portion 12 is formed in an annular shape. As a result, as shown in FIG. 5 (5-2) described below, the push rod 3 is positioned by inserting and fitting a fitting portion 32 formed on the push rod 3 into the fitting hole that forms the positioning portion 12 during assembly.

[0018] As shown in FIG. 4 (4-2), the push rod 3 is formed of a substantially rod-shaped member having a predetermined length. As shown in FIG. 3 (3-1), one end of the push rod 3 located on the front side of the case 1 forms a tip portion 31 that abuts against a protrusion 22 formed on the back side of the operating surface of the operation knob 2, and the other end located on the back side of the case 1 forms a fitting portion 32. The fitting portion 32 (bent portion) of the push rod 3 is formed by bending and extending from the periphery of the other end of the push rod 3 so as to bend back toward the one end. Specifically, the fitting portion 32 of the push rod 3 is formed by forming the other end of the push rod 3 into a disk shape and having an annular side wall that is bent back toward the one end and extends around it. Therefore, the fitting portion 32 is formed as an annular portion bent back from the other end of the push rod 3. At this time, the inner diameter of the annular portion that is the fitting portion 32 of the push rod 3 is formed so as to minimize the gap with the inner diameter of the annular fitting hole formed at the other end of the insertion hole 11 of the case 1. As a result, the inner peripheral portion of the annular fitting portion 32 of the push rod 3 fits into the inner peripheral portion of the positioning portion 12 that is the annular fitting hole.

[0019] During assembly, as described below, the fitting portion 32 of the push rod 3 is inserted into and fitted into a fitting hole of a positioning portion 12 formed on the back side of the insertion hole 11 of the case 1, as shown in FIG. 5 (5-2). After assembly, as described below, the fitting portion 32 of the push rod 3 is released from the fitting hole of the positioning portion 12, as shown in FIG. 6 (6-2). The fitting portion 32 of the push rod 3 may be fitted into the positioning portion 12 on either the inner circumferential side or the outer circumferential side of the annular portion. A crushed rib may be provided on either the fitting portion 32 of the push rod 3 or the positioning portion 12 of the insertion hole 11, and these may be fitted together. The positioning portion 12 of the case 1 and the fitting portion 32 of the push rod 3 are not necessarily limited to being formed on the other end of the insertion hole 11 (the back side) or the other end of the push rod 3, but may be formed in other locations.

[0020] The above-described structures of the positioning portion 12 and the fitting portion 32 are merely examples, and are not limited to these structures, and any structure may be used for fitting or engaging with each other. Furthermore, the positioning portion 12 and the fitting portion 32 are not limited to being formed on the other end side of the insertion hole 11 and the push rod 3, and may be formed in any position.

[0021] As shown in FIG. 3 (3-1), the switch device has a substrate 5 that forms a contact and a rubber contact 4 mounted on the substrate 5, located further back than the end (other end) of the push rod 3 assembled to the case 1. At this time, the substrate 5 and the rubber contact 4 form contact areas that face each other and come into contact with each other to change the switch from an OFF state to an ON state. Specifically, the rubber contact 4 is made of a deformable elastic material, and is deformed by the pressure of the push rod 3 as the push rod 3 moves downward by pressing the operation knob 2, and the contact area formed on the surface of the rubber contact 4 that faces the substrate 5 moves toward the substrate 5. Then, the contact area of ​​the rubber contact 4 comes into contact with the contact area formed on the substrate 5, and the switch turns ON.

[0022] When the rubber contact 4 is deformed, a restoring force is generated to return it to its original shape. In other words, when the pressing operation of the operation knob 2 is released while the switch shown in FIG. 3(3-2) is in the on state, the rubber contact 4 returns to its original state as shown in FIG. 3(3-1), and the switch enters the off state. At the same time, the return of the rubber contact 4 to its original state urges the push rod 3 to move upward, and the operation knob 2 returns to the pre-operation position. At this time, as described above, the claw portion 23 formed on the side surface 21 of the operation knob 2 is engaged with the case holding portion 13 formed on the case 1, restricting the operation knob 2 from moving further upward from the pre-operation position.

[0023] Here, in the above example, the rubber contact 4 is used as the component that deforms to turn the switch on as the push rod 3 moves downward, but other switch mechanisms such as a tactile switch may be used instead of the rubber contact 4. In this case, the switch mechanism operates to turn the switch on as the push rod 3 moves downward when the operation knob 2 is pressed, just like the case of the rubber contact 4 described above, and further operates to turn the switch off when the operation knob 2 is released from the pressing operation, and the switch mechanism itself biases the push rod 3 upward, so that the operation knob 2 is positioned in the pre-operation position.

[0024] [Assembly method] Next, a method for assembling the above-mentioned switch device will be described mainly with reference to FIGS.

[0025] First, as shown in Fig. 5 (5-1), the push rod 3 is inserted from the tip end into the insertion hole 11 formed in the case 1 from the back side of the case 1, i.e., the side of the positioning portion 12 formed in the insertion hole 11. At this time, as shown in Fig. 5 (5-2), the push rod 3 is inserted into the insertion hole 11 until the fitting portion 32 formed on the other end of the push rod 3 fits into the fitting hole of the positioning portion 12 formed on the back side of the insertion hole 11 of the case. This positions the push rod 3 at the assembly position with respect to the insertion hole 11 of the case 1. Note that the step of inserting the push rod 3 may be performed by turning the case 1 upside down from the state shown in Fig. 5 (5-1) so that the back side is facing upward, which makes the assembly work easier and improves the ease of assembly.

[0026] After that, although not shown, the circuit board 5 on which the rubber contacts 4 are mounted is assembled further back than the other end of the push rod 3 assembled to the case 1. If the assembly work up to this point has been performed with the back side of the case 1 positioned upward as described above, then the case is turned upside down to the state shown in Figure 5 (5-2).

[0027] Next, as shown in FIG. 6 (6-1), the operation knob 2 is assembled to the case 1 from the front side. At this time, the protrusion 22 protruding from the rear side of the operation surface of the operation knob 2 is positioned to abut against the tip 31 of the push rod 3 inserted through the insertion hole 11 of the case 1 and assembled. After that, as shown in FIG. 6 (6-2), the operation knob 2 is pressed downward. Then, as the operation knob 2 moves downward, the push rod 3 moves downward along the insertion hole 11. At this time, the fitting portion 32 located at the other end of the push rod 3, which had been fitted into the fitting hole of the positioning portion 12 formed on the rear side of the insertion hole 11 of the case, comes out of the fitting hole at the assembly position, and the fitted state is released. At the same time, as shown in FIG. 2 (2-2), the claw portion 23 formed on the side of the operation knob 2 engages with the case holding portion 13 formed on the side of the case 1, and the operation knob 2 is assembled to the case 1.

[0028] In this way, the switch device is assembled as shown in Fig. 3 (3-1). Fig. 3 (3-1) shows the state in which the operating knob 2 is in the pre-operation position where it is not operated. At this time, the mating portion 32 at the other end of the push rod 3 abuts the rubber contact 4 on the lower side and is supported by the retaining force of the shape of the elastic rubber contact 4. It does not fit into the mating hole of the positioning portion 12 and remains in the disengaged state. The contact point of the rubber contact 4 facing the board 5 has not moved toward the board 5, and the switch is in the off state.

[0029] [Operation] Next, the operation of the above-mentioned switch device will be explained. First, as shown in Figure 3 (3-1), when the operation knob 2 of the switch device is in the pre-operation position where it is not operated, the switch is in the off state. In other words, the push rod 3 is supported by the retaining force of the shape of the rubber contact 4, and the rubber contact 4 is not pressed downward by the push rod 3, so the contact points between the rubber contact 4 and the board 5 are not in contact, and the switch is in the off state.

[0030] 3(3-2), when the operation knob 2 of the switch device is in the post-operation position after being pressed downward, the switch is in the ON state. Specifically, when the operation surface of the operation knob 2 is pressed down, the operation knob 2 moves downward, and the tip 31 of the push rod 3 that abuts against the operation knob 2 is pressed downward, causing the push rod 3 itself to move downward. In response to this, the rubber contact 4 abutting against the lower end of the push rod 3 is further deformed, and the contact portion formed on the surface of the rubber contact 4 facing the substrate 5 moves toward the substrate 5 and abuts against the contact portion formed on the substrate 5, turning the switch into the ON state.

[0031] When the downward pressing of the operation knob 2 of the switch device is released, the restoring force of the rubber contact 4 to its original shape causes the contact portion of the rubber contact 4 to return to its original shape and separate from the circuit board 5, as shown in Fig. 3 (3-1), and the switch enters the OFF state. Accordingly, the return of the rubber contact 4 to its original shape urges the push rod 3 to move upward, and the operation knob 2 returns to its pre-operation position. At this time, as described above, the claw portion 23 formed on the side surface 21 of the operation knob 2 is engaged with the case holding portion 13 formed on the case 1, restricting the operation knob 2 from moving further upward from the pre-operation position.

[0032] <Additional Notes> A part or all of the above-described embodiments can be described as follows: The following provides an overview of a switch device according to the present invention. However, the present invention is not limited to the following configuration. (Appendix 1) Case and an operation knob movably attached to the case; a push rod that is inserted into an insertion hole having a predetermined length formed in the case, that abuts against the operation knob, and that moves along the longitudinal direction of the insertion hole in response to movement of the operation knob; a contact that is turned on and off in response to movement of the push rod; Equipped with a positioning portion is provided on the case, with which a portion of the push rod is engaged before the operation knob is assembled to the case, thereby positioning the push rod at an assembly position along the longitudinal direction of the insertion hole; When the operation knob is assembled to the case, the push rod in contact with the operation knob moves from the assembly position along the longitudinal direction of the insertion hole, and a part of the push rod is disengaged from the positioning portion. Switch device. (Appendix 2) 2. The switch device of claim 1, a part of the other end of the push rod is engaged with the positioning portion before the operation knob is assembled to the case, and when the operation knob is assembled to the case, the operation knob comes into contact with the push rod and moves further toward the push rod, thereby releasing the engagement of the part of the other end of the push rod, When the operation knob is assembled to the case, one end of the push rod abuts against the operation knob, and when the operation knob is operated to move toward the push rod, the push rod moves along the longitudinal direction of the insertion hole, and the other end turns on the contact. Switch device. (Appendix 3) 3. The switch device according to claim 2, When the operation knob is assembled to the case and the operation knob is not operated, the push rod is configured to be in a pre-operation position located on the other end side of the assembled position and to turn the contacts off, and when the operation knob is operated and moved toward the push rod, to be in a post-operation position located further on the other end side of the pre-operation position and to turn the contacts on. Switch device. (Appendix 4) 4. The switch device according to claim 3, the contact is configured to be deformed and turned on when the push rod moves from the pre-operation position to the post-operation position, The push rod is biased to move to the pre-operation position by a restoring force of deformation of the contact at the post-operation position, and one end side of the push rod abuts against the operation knob at the pre-operation position, so that movement of the push rod to the assembly position is restricted by the operation knob. Switch device. (Appendix 5) 4. The switch device according to claim 3, a bent portion is provided on the other end side of the push rod, the bent portion being bent back and extending toward the one end side; The positioning portion is formed on the other end side of the insertion hole and is configured to fit into the bent portion of the push rod when the push rod is positioned at the assembly position, and is configured to release the fit of the bent portion when the push rod is positioned at the pre-operation position. Switch device. (Appendix 6) 4. The switch device according to claim 3, the case and the operation knob are provided with an engagement portion that engages with each other when the operation knob is assembled to the case; the engagement portion is adapted to movably engage the operation knob with the case so that the push rod is positioned between the pre-operation position and the post-operation position; Switch device. (Appendix 7) 7. The switching device of claim 6, the engaging portion is configured to restrict further movement of the operation knob, against which one end side of the push rod, which is biased from the post-operation position to move to the pre-operation position, abuts, toward the one end side of the push rod. Switch device. (Appendix 8) Case and an operation knob movably attached to the case; a push rod that is inserted into an insertion hole having a predetermined length formed in the case, that abuts against the operation knob, and that moves along the longitudinal direction of the insertion hole in response to movement of the operation knob; a contact that is turned on and off in response to movement of the push rod; A method for assembling a switch device comprising: a positioning portion provided on the case, the push rod being engaged with a portion of the push rod, and the push rod being positioned at an assembly position along the longitudinal direction of the insertion hole; When assembling the operation knob to the case, the push rod abutting against the operation knob is moved from the assembly position along the longitudinal direction of the insertion hole to release a part of the push rod from the positioning portion. How to assemble a switch device. (Appendix 9) A method for assembling the switch device according to claim 8, comprising: inserting the push rod into the insertion hole from the side opposite to the surface side of the case to which the operation knob is attached, and engaging a portion of the other end of the push rod with the positioning portion to position the push rod at the assembly position; By assembling the operation knob from one end side of the push rod toward the other end side to the front surface side of the case, the operation knob abuts against the one end side of the push rod, moving the push rod from the assembled position toward the other end side along the longitudinal direction of the insertion hole, and releasing the engagement of a part of the other end side of the push rod with the positioning portion, As a result, when one end of the push rod abuts against the operation knob and the operation knob is operated to move toward the push rod, the push rod moves along the longitudinal direction of the insertion hole, and the other end turns on the contact. How to assemble a switch device. (Appendix 10) A method for assembling a switch device according to claim 9, By assembling the operation knob to the case, when the operation knob is not operated, the push rod is located at a pre-operation position that is located on the other end side of the assembled position and the contact is turned off, and when the operation knob is operated and moved toward the push rod, the push rod is located at a post-operation position that is located further on the other end side of the pre-operation position and the contact is turned on. How to assemble a switch device.

[0033] Although the present invention has been described above with reference to the above-mentioned embodiments, the present invention is not limited to the above-mentioned embodiments. Various modifications that can be understood by those skilled in the art can be made to the configuration and details of the present invention within the scope of the present invention. [Explanation of symbols]

[0034] 1 case 11 Insertion hole 12 Case holder 2 Operation knob 21 Side 22 Protrusion 23 Claw 3 push rods 31 Tip 32 Fitting part 4 rubber contacts 5. Substrate

Claims

1. Case and an operation knob movably attached to the case; a push rod that is inserted into an insertion hole having a predetermined length formed in the case, that abuts against the operation knob, and that moves along the longitudinal direction of the insertion hole in response to movement of the operation knob; a contact that is turned on and off in response to movement of the push rod; Equipped with a positioning portion is provided on the case, with which a portion of the push rod is engaged before the operation knob is assembled to the case, thereby positioning the push rod at an assembly position along the longitudinal direction of the insertion hole; When the operation knob is assembled to the case, the push rod in contact with the operation knob moves from the assembly position along the longitudinal direction of the insertion hole, and a part of the push rod is disengaged from the positioning portion. Switch device.

2. 2. The switch device according to claim 1, a part of the other end of the push rod is engaged with the positioning portion before the operation knob is assembled to the case, and when the operation knob is assembled to the case, the operation knob comes into contact with the push rod and moves further toward the push rod, thereby releasing the engagement of the part of the other end of the push rod, When the operation knob is assembled to the case, one end of the push rod abuts against the operation knob, and when the operation knob is operated to move toward the push rod, the push rod moves along the longitudinal direction of the insertion hole, and the other end turns on the contact. Switch device.

3. 3. The switch device according to claim 2, When the operation knob is assembled to the case and the operation knob is not operated, the push rod is configured to be in a pre-operation position located on the other end side of the assembled position and to turn the contacts off, and when the operation knob is operated and moved toward the push rod, to be in a post-operation position located further on the other end side of the pre-operation position and to turn the contacts on. Switch device.

4. 4. The switch device according to claim 3, the contact is configured to be deformed and turned on when the push rod moves from the pre-operation position to the post-operation position, The push rod is biased to move to the pre-operation position by a restoring force of deformation of the contact at the post-operation position, and one end side of the push rod abuts against the operation knob at the pre-operation position, so that movement of the push rod to the assembly position is restricted by the operation knob. Switch device.

5. 4. The switch device according to claim 3, a bent portion is provided on the other end side of the push rod, the bent portion being bent back and extending toward the one end side; The positioning portion is formed on the other end side of the insertion hole and is configured to fit into the bent portion of the push rod when the push rod is positioned at the assembly position, and is configured to release the fit of the bent portion when the push rod is positioned at the pre-operation position. Switch device.

6. 4. The switch device according to claim 3, the case and the operation knob are provided with an engagement portion that engages with each other when the operation knob is assembled to the case; the engagement portion is adapted to movably engage the operation knob with the case so that the push rod is positioned between the pre-operation position and the post-operation position; Switch device.

7. 7. The switch device according to claim 6, the engaging portion is configured to restrict further movement of the operation knob, against which one end side of the push rod, which is biased from the post-operation position to move to the pre-operation position, abuts, toward the one end side of the push rod. Switch device.

8. Case and an operation knob movably attached to the case; a push rod that is inserted into an insertion hole having a predetermined length formed in the case, that abuts against the operation knob, and that moves along the longitudinal direction of the insertion hole in response to movement of the operation knob; a contact that is turned on and off in response to movement of the push rod; A method for assembling a switch device comprising: a positioning portion provided on the case, the push rod being engaged with a portion of the push rod, and the push rod being positioned at an assembly position along the longitudinal direction of the insertion hole; When assembling the operation knob to the case, the push rod abutting against the operation knob is moved from the assembly position along the longitudinal direction of the insertion hole to release a portion of the push rod from engagement with the positioning portion. A method for assembling a switch device.

9. 9. A method for assembling a switch device according to claim 8, comprising: inserting the push rod into the insertion hole from the side opposite to the surface side of the case to which the operation knob is attached, and engaging a portion of the other end of the push rod with the positioning portion to position the push rod at the assembly position; By assembling the operation knob from one end side of the push rod toward the other end side to the front surface side of the case, the operation knob abuts against the one end side of the push rod, moving the push rod from the assembled position toward the other end side along the longitudinal direction of the insertion hole, and releasing the engagement of a part of the other end side of the push rod with the positioning portion, As a result, when one end of the push rod abuts against the operation knob and the operation knob is operated to move toward the push rod, the push rod moves along the longitudinal direction of the insertion hole, and the other end turns on the contact. A method for assembling a switch device.

10. 10. A method for assembling a switch device according to claim 9, comprising: By assembling the operation knob to the case, when the operation knob is not operated, the push rod is located at a pre-operation position that is located on the other end side of the assembled position and the contact is turned off, and when the operation knob is operated and moved toward the push rod, the push rod is located at a post-operation position that is located further on the other end side of the pre-operation position and the contact is turned on. A method for assembling a switch device.

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