JP7440337B2 - Locking member assembly structure and electronic components - Google Patents

Description

The present invention relates to a locking member assembly structure and an electronic component.

For example, Patent Document 1 discloses a housing, a moving member housed in the housing so as to be movable in a predetermined direction, a spring housed inside the housing and biasing the moving member toward one side in a predetermined direction, and a spring that is crimped to the housing. An electronic component is disclosed, which includes a lid that is assembled with the spring, is disposed on the other side of the spring in a predetermined direction, and locks the other end of the spring in the predetermined direction.

Further, for example, Patent Document 2 discloses a housing, a moving member housed in the housing so as to be movable in a predetermined direction, a lid body, and a lid body housed inside the housing to bias the moving member toward one side in a predetermined direction. It has a compression coil spring and a hook part, and is assembled to the housing by engaging the housing, and is arranged on the other side in a predetermined direction than the compression coil spring, and locks the other end of the compression coil spring in the predetermined direction. An electronic component including a lid is disclosed.

Utility Model Publication No. 59-194236 Patent No. 3998174

By the way, in the electronic component described in Patent Document 1, since the lid is assembled to the housing by caulking, a caulking process is required when assembling the lid to the housing. This poses a problem in that the number of man-hours required to assemble the lid increases.

Furthermore, in the electronic component described in Patent Document 2, the lid body is assembled to the housing by the hook portion engaging with the housing, so that the biasing force of the spring is applied to the hook portion. In order to increase the assembly strength of the lid, for example, when the hook portion is made larger, it is necessary to bend the large hook portion, which makes it difficult to assemble the lid. Furthermore, if the hook portion is enlarged, it becomes a hindrance to miniaturization and weight reduction, so there is a problem that the assembly strength of the lid cannot be easily increased.

An object of the present invention is to provide a locking member assembly structure and an electronic component that are easy to assemble and can easily increase assembly strength.

In order to achieve the above object, the locking member assembly structure of the present invention is as follows:
a housing having an opening on one side in a predetermined direction;
a moving member housed in the housing so as to be able to reciprocate in a predetermined direction;
a biasing member housed in the housing, disposed on one side of the movable member in the predetermined direction, and biasing the movable member toward the other side in the predetermined direction;
a locking member assembled to the housing and locking to an end of the biasing member on one side in the predetermined direction;
Equipped with
The locking member is configured to be rotatable on a plane perpendicular to the predetermined direction between an insertion position where the locking member is inserted into the housing through the opening and an assembly position where the locking member is assembled to the housing.

Moreover, the electronic component in the present invention is
An assembly structure of the locking member,
a detection unit that detects the movement of the moving member;
Equipped with

According to the present invention, assembly is easy and assembly strength can be easily increased.

FIG. 1 is a front view showing an electronic component according to an embodiment of the invention. FIG. 2 is a side view showing an electronic component according to an embodiment of the invention. FIG. 3 is an exploded perspective view showing an electronic component according to an embodiment of the invention. FIG. 4 is a perspective view showing an electronic component according to an embodiment of the invention. FIG. 5 is a perspective view showing a cross section along the Z-axis of the electronic component according to the embodiment of the present invention. FIG. 6 is a cross-sectional view showing a cross section along the Z-axis of the electronic component according to the embodiment of the present invention. FIG. 7 is a front view showing an electronic component according to an embodiment of the present invention. FIG. 8 is a perspective view showing an example of an electronic component assembly process according to an embodiment of the present invention. FIG. 9 is a perspective view showing an example of an electronic component assembly process according to an embodiment of the present invention. FIG. 10 is a perspective view showing an example of an electronic component assembly process according to an embodiment of the present invention. FIG. 11 is an exploded perspective view showing an electronic component according to a modification of the embodiment of the present invention. FIG. 12 is a cross-sectional view showing a cross section along the Z-axis of an electronic component according to a modification of the embodiment of the present invention.

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a front view showing an electronic component 100 according to an embodiment of the invention. FIG. 2 is a side view showing the electronic component 100 according to the embodiment of the invention. In FIG. 1, an X-axis, a Y-axis, and a Z-axis are depicted. In FIG. 1, the left-right direction is referred to as the lateral direction or the X direction, the right direction is referred to as one lateral direction or the "+X direction", and the left direction is referred to as the other lateral direction or the "-X direction". Further, the vertical direction is referred to as the longitudinal direction or the Y direction, the upper direction is referred to as one longitudinal side or the "+Y direction", and the lower direction is referred to as the other longitudinal side or the "-Y direction". Further, the direction perpendicular to the plane of the paper is referred to as the depth direction or the Z direction, the front side is referred to as one side in the depth direction or the "+Z direction", and the back side is referred to as the other side in the depth direction or the "-Z direction".

FIG. 3 is an exploded perspective view showing the electronic component 100 according to the embodiment of the invention. FIG. 4 is a perspective view showing an electronic component 100 according to an embodiment of the invention. As shown in FIGS. 3 and 4, the electronic component 100 includes a locking member assembly structure 1 and a switch section 50. The locking member assembly structure 1 includes a housing 10, a moving member 20, a biasing member 30, and a locking member 40. Note that the housing is also referred to as a "case."

The housing 10 is made of a material such as resin. As shown in FIGS. 1 to 4, the housing 10 has a generally rectangular parallelepiped external shape, and an accommodation space 10a is provided inside the housing 10. One side in the depth direction (+Z direction) of the accommodation space 10a is open. The accommodation space 10a extends from the opening 12 on one side in the depth direction to the other side in the depth direction (-Z direction). In other words, the housing 10 has a generally bottomed cylindrical shape including a plate portion 11f located on the other side in the depth direction and a rectangular tube extending from the plate portion 11f to one side in the depth direction (+Z direction). The rectangular cylinders face each other in the transversal direction (X direction), and include a plate part 11a located on one transversal side (+X direction) and a plate part 11b located on the other transversal side (-X direction). and a plate portion 11c that faces each other in the longitudinal direction (Y direction) and is located on one side in the longitudinal direction (+Y direction) and a plate portion 11d located on the other side in the longitudinal direction (−Y direction). .

As shown in FIG. 1, the accommodation space 10a has a length W1 in the transverse direction (X direction) and a length H3 in the longitudinal direction (Y direction).

As shown in FIG. 2, the plate portion 11f has an insertion hole 18 that is inserted into the inside and outside of the accommodation space 10a.

As shown in FIG. 2, the housing 10 has a permitting section 13 and a restricting section 14.

As shown in FIGS. 1 and 2, the allowable portion 13 has a rectangular assembly through hole 13a provided in each of the plate portion 11a and the plate portion 11b. The assembly through hole 13a has a length H2 in the longitudinal direction (Y direction) and a length L1 in the depth direction (Z direction). The length H2 in the Y direction is a length that does not interfere with the locking member 40 rotating around the Z axis within the accommodation space 10a. Further, the length L1 of the assembly through hole 13a in the Z direction is longer than the length L3 of the lock portion 46 (described later) in the Z direction.

The restriction portion 14 has a rectangular restriction through hole 14a provided in each of the plate portion 11a and the plate portion 11b. The restriction through hole 14a is continuous with the assembling through hole 13a, and is arranged on one side in the depth direction (+Z direction) of the assembling through hole 13a. As shown in FIGS. 1 and 2, the restriction through hole 14a has a length H1 in the longitudinal direction (Y direction) and a length L2 in the depth direction (Z direction).

As shown in FIGS. 2 to 4, the moving member 20 is housed in the housing 10 so as to be movable back and forth in the Z direction. The movable member 20 has an insulating property and has a generally long block shape, and has a surface portion 21a facing the +X direction and guided by the inner surface of the plate portion 11a, and a surface portion 21a facing the −X direction and guided by the inner surface of the plate portion 11b. A surface portion 21b that faces the +Y direction and is guided by the inner surface of the plate portion 11c, a surface portion 21d that faces the -Y direction and is guided by the inner surface of the plate portion 11d, and a surface portion 21d that faces the +Y direction and is guided by the inner surface of the plate portion 11d. It has a facing surface portion 21e and a facing surface portion 21f facing in the -Z direction.

As shown in FIG. 3, the other end fitting portion 24 into which the other end 32 of the biasing member 30 in the depth direction fits is arranged on the surface portion 21e. The other end fitting portion 24 is a circular groove having a predetermined depth.

FIG. 5 is a perspective view showing a cross section along the Z-axis of the electronic component according to the embodiment of the present invention. FIG. 6 is a cross-sectional view showing a cross section along the Z-axis of the electronic component according to the embodiment of the present invention. As shown in FIGS. 5 and 6, a columnar protrusion 28 protruding in the +Z direction is arranged at the bottom of the circular groove. By fitting the other end 32 of the biasing member 30 in the depth direction into the circular groove, and by fitting the other end 32 of the biasing member 30 in the depth direction externally into the raised portion 28, the depth can be increased. The other end 32 is positioned in a direction orthogonal to the Z direction. Moreover, the other end 32 in the depth direction comes into contact with the bottom of the circular groove, thereby positioning the other end 32 in the depth direction in the Z direction.

As shown in FIGS. 3 to 6, protrusions 26a and 26b that protrude to one side in the depth direction (+Z direction) are also arranged on the surface portion 21e. The protruding portion 26a is arranged in the +Y direction relative to the other end fitting portion 24. The protruding portion 26b is arranged in the −Y direction relative to the other end fitting portion 24.

The surface portion 21e is provided with a stepped portion 21g, which is a surface portion that is lowered toward the other side in the depth direction (−Z direction) than the general surface portion. A convex portion 27 that bulges to one side in the depth direction (+Z direction) is arranged on the step portion 21g. The protrusion 27 is arranged in the -Y direction relative to the protrusion 26b. The convex portion 27 presses the switch piece of the switch portion 50 when the protrusions 26a and 26b abut against the surface portion 41f. As a result, the switch section 50 is turned on. Further, the convex portion 27 separates from the switch piece when the protrusions 26a, 26b separate from the surface portion 41f. As a result, the switch section 50 is turned off.

The shaft-shaped portion 22 is arranged on the surface portion 21f. The shaft portion 22 has a circular cross-sectional shape, extends to the other side in the depth direction (−Z direction), and projects to the outside of the housing 10 through the insertion hole 18 .

The movement of the moving member 20 on the other side in the depth direction (-Z direction) is restricted by the surface portion 21f coming into contact with the inner surface of the plate portion 11f. Furthermore, the movement of the moving member 20 in one side in the depth direction (+Z direction) is restricted by the protrusions 26a and 26b coming into contact with the surface portion 41f of the locking member 40.

As shown in FIGS. 3 to 6, biasing member 30 is housed in housing 10. As shown in FIGS. The biasing member 30 has a coiled spring arranged in a compressed state between the movable member 20 and the locking member 40, and biases the movable member 20 to the other side in the depth direction (-Z direction). One end 31 of the biasing member 30 in the depth direction fits into a one end fitting portion 44 (described later) of the locking member 40 . The other end 32 in the depth direction of the biasing member 30 fits into the other end fitting portion 24 as described above.

As shown in FIGS. 3 to 6, the locking member 40 is arranged on one side in the depth direction (+Z direction) than the biasing member 30. The locking member 40 has a substantially square thick plate shape, and includes a surface portion 41a facing the +X direction, a surface portion 41b facing the −X direction, a surface portion 41c facing the +Y direction, and a surface portion facing the −Y direction. 41d, 41e facing the +Z direction, and 41f facing the -Z direction.

FIG. 7 is a front view showing the electronic component 100 according to the embodiment of the present invention. FIG. 7 shows the locking member 40 in an inserted position where the surface portions 41a and 41b are oriented in the Y direction. As shown in FIG. 7, the distance W3 between the surface portions 41c and 41d is shorter than the distance W1 between the inner surfaces of the plate portions 11a and 11b. Thereby, the locking member 40 can be inserted through the opening 12 and into the accommodation space 10a. When the locking member 40 is passed through the opening 12, the locking member 40 closes the opening 12, so the locking member 40 functions as a cover that closes the opening 12.

As shown in FIG. 3, the surface portions 41a and 41b extend in the −Z direction from the position of the surface portion 41f.

The locking member 40 has an engagement groove 42, an end fitting portion 44, and a lock portion 46.

The engagement groove 42 is arranged on the surface portion 41e. The engagement groove 42 is, for example, a minus groove into which a tool (here, a minus driver) for rotating the locking member 40 around the Z-axis is engaged.

As shown in FIGS. 3, 5, and 6, the one-side end fitting portion 44 is arranged at the center of the surface portion 41f. The one end fitting portion 44 has a shaft portion 44a extending from the surface portion 41f to the other side in the depth direction (−Z direction). The shaft portion 44a is fitted into the end portion 31 of the biasing member 30 on one side in the depth direction (+Z direction). When the one end 31 of the biasing member 30 in the depth direction comes into contact with the surface portion 41f, the one end 31 of the biasing member 30 in the depth direction is positioned in the Z direction. Furthermore, by fitting the shaft portion 44a into the one end 31 of the biasing member 30 in the depth direction, the one end 31 of the biasing member 30 in the depth direction is positioned in the direction orthogonal to the Z direction.

As shown in FIGS. 1 and 3, the lock portion 46 has a long plate shape and is disposed on each of the surface portions 41a and 41b. The lock portion 46 protrudes from the surface portion 41a in the +X direction. Furthermore, the lock portion 46 protrudes from the surface portion 41b in the −X direction. As shown in FIG. 1, the distance W2 between the lock parts 46 is longer than the distance W1 between the inner surfaces of the plate parts 11a and 11b (W2>W1).

The lock portion 46 has a length H4 in the Y direction (see FIG. 1) and a length L3 in the Z direction (see FIG. 2). The length H4 in the Y direction is shorter than the length H1 in the Y direction of the restriction through hole 14a (restriction portion 14) (H4<H1). Further, the length L3 in the Z direction is shorter than the length L2 in the Z direction of the restriction through hole 14a (L3<L2). Thereby, the lock portion 46 can be fitted into the restriction through hole 14a.

Next, an example of an assembly process for the electronic component 100 will be described with reference to FIG. 4 and FIGS. 7 to 10. FIG. 7 is a front view showing an electronic component according to an embodiment of the present invention. FIG. 8 is a perspective view showing an example of an electronic component assembly process according to an embodiment of the present invention. FIG. 9 is a perspective view showing an example of an electronic component assembly process according to an embodiment of the present invention. FIG. 10 is a perspective view showing an example of an electronic component assembly process according to an embodiment of the present invention.

First, the moving member 20 is passed through the opening 12 and inserted into the accommodation space 10a. Further, the shaft-shaped portion 22 is passed through the insertion hole 18.

Next, the biasing member 30 is passed through the opening 12 and inserted into the accommodation space 10a. Further, the other end 32 in the depth direction of the biasing member 30 is fitted into the other end fitting portion 24 .

Next, insert the tool into the engagement groove 42, and use the tool to position the surface portions 41a, 41b (lock portion 46) in the insertion position in the Y direction, as shown in FIGS. 7 and 8. The locking member 40 is rotated around the Z axis.

Next, using a tool, the locking member 40 in the insertion position is passed through the opening 12 and inserted into the accommodation space 10a. Further, the one-side end fitting portion 44 is fitted into the one-side end 31 in the depth direction of the biasing member 30 .

Next, using a tool, as shown in FIG. 9, the locking member 40 is pushed in the −Z direction against the biasing force of the biasing member 30.

Next, the position (insertion position) of the locking part 46 in the depth direction (Z direction) is made to match the position of the allowing part 13 (through hole 13a for assembly) in the depth direction.

Next, using a tool, as shown in FIG. 10, the locking member 40 is rotated by θ (here, 90 degrees) around the Z-axis so that the lock portion 46 fits into the assembly through hole 13a. do. When rotating the locking member 40, the locking member 40 (lock portion 46) does not interfere with the periphery of the assembly through hole 13a.

Next, use a tool to reduce the force pushing the locking member 40 in the -Z direction. As a result, the locking member 40 moves to a position (assembly position) on one side in the depth direction (+Z direction) due to the urging force of the urging member 30, and as shown in FIG. 14a. With the above steps, the assembly of the locking member 40 is completed. Also, the assembly of the electronic component 100 is completed.

When the locking member 40 moves to the assembly position (when the locking part 46 fits into the restriction through hole 14a), even if you try to rotate the locking member 40 around the Z axis, the locking part 46 does not fit into the restriction through hole 14a. Since it comes into contact with one end edge in the Y direction or the other end edge in the Y direction of the locking member 40, rotation around the Z axis of the locking member 40 is restricted.

In addition, when the locking member 40 is moved to the assembly position, even if the locking member 40 is moved to one side in the depth direction (+Z direction), the locking part 46 is moved to the one end edge in the Z direction of the restriction through hole 14a. , the movement of the locking member 40 on one side in the depth direction (+Z direction) is restricted.

The locking member assembly structure 1 according to the embodiment described above includes a housing 10 having an opening 12 on one side in the depth direction, a movable member 20 accommodated in the housing 10 so as to be able to reciprocate in the depth direction, and a housing 10. a biasing member 30 that is housed in the housing 10 and is disposed on one side in the depth direction of the movable member 20 and biases the movable member 20 to the other side in the depth direction; An electronic component 100 comprising: a locking member 40 that locks on the end portion 31; the locking member 40 is inserted into the housing 10 through the opening 12 at an insertion position; It is configured to be rotatable between positions on a plane perpendicular to the depth direction.

With the above configuration, the locking member 40 can be assembled to the housing 10 by rotating the locking member 40 without deforming all or part of the locking member 40, so that the locking member 40 can be easily assembled. Further, by increasing the rigidity of the locking member 40 itself, the assembly strength of the locking member 40 increases, so that the assembly strength of the locking member 40 can be easily increased.

Further, in the locking member assembly structure 1 according to the above embodiment, the housing 10 has an assembly through hole 13a that allows the locking member 40 to rotate on a plane perpendicular to a predetermined direction in the insertion position. and a restriction through hole 14a that restricts rotation of the locking member 40 at the assembly position and restricts movement of the locking member 40 to one side in a predetermined direction at the assembly position. It has a restriction part 14 as a. Since it is sufficient to form a through hole in the housing 10, it becomes easier to mold the allowing portion 13 and the restricting portion 14.

Furthermore, in the locking member assembly structure 1 according to the above embodiment, the locking member 40 has an engagement groove 42 in which a tool for rotating the locking member 40 inserted into the insertion position engages. . Since the locking member 40 within the housing 10 can be rotated using a tool, it is possible to further improve the ease of assembling the locking member 40.

Further, in the locking member assembly structure 1 according to the above embodiment, the locking member 40 has a one-side end fitting portion 44 that fits into the one-side end 31 in the depth direction of the biasing member 30. . Furthermore, the moving member 20 has a second end fitting portion 24 that fits into the second end 32 of the biasing member 30 in the depth direction. Since the moving member 20 and the locking member 40 have the function of positioning both ends of the biasing member 30 in the depth direction, the biasing member 30 can be easily assembled.

Further, in the locking member assembly structure 1 according to the embodiment described above, the biasing member 30 includes a coiled spring that is arranged in a compressed state between the moving member 20 and the locking member 40. By changing the wire diameter and overall length of the compression coil spring, the biasing force of the biasing member 30 can be adjusted, which has the advantage of facilitating improved operability.

Furthermore, in the locking member assembly structure 1 according to the embodiment described above, the moving member 20 and the biasing member 30 are housed in the housing 10 through the opening 12 . As a result, the moving member 20, the biasing member 30, and the locking member 40 are assembled in the same direction, making it easier to assemble the electronic component 100.

In addition, in the locking member assembly structure 1 according to the embodiment described above, when the locking member 40 is inserted into the insertion position, movement of the locking member 40 from the insertion position to the other side in the depth direction is restricted. A limiting member may also be provided. Thereby, when the locking member 40 is inserted into the insertion position, the amount of movement of the locking member 40 is not excessive or insufficient, so that the ease of assembling the locking member 40 can be further improved.

(Modified example)
Next, a modification will be described with reference to FIGS. 11 and 12. FIG. 11 is an exploded perspective view showing an electronic component according to a modification of the embodiment of the present invention. FIG. 12 is a cross-sectional view showing a cross section along the Z-axis of an electronic component according to a modification of the embodiment of the present invention. In addition, in the description of the modified example, configurations different from those of the above embodiment will be mainly explained, and the same configurations will be given the same reference numerals and the description thereof will be omitted.

In the embodiment described above, the one end 31 in the depth direction of the biasing member 30 fits into the one end fitting portion 44 as the shaft portion 44a. Further, the other end 32 in the depth direction of the biasing member 30 fits into the other end fitting portion 24 as a circular groove.

On the other hand, in the modified example, the one end 31 in the depth direction of the biasing member 30 is fitted into the one end fitting part 44 as a circular groove. Further, the other end 32 in the depth direction of the biasing member 30 is internally fitted into the other end fitting portion 24a as a circular groove, and externally into the other end fitting portion 24b as a shaft portion. fit. The circular groove and the shaft portion are formed concentrically with each other.

According to the modification, when the operator operates the switch unit 50 via the moving member 20, for example, the other end 32 in the depth direction of the biasing member 30 is deformed in the radial direction (direction perpendicular to the Z direction). is restricted by the other end fitting portions 24a and 24b, so that the expansion and contraction of the urging member 30 in the Z direction is stabilized, and the urging force of the urging member 30 is applied to the operator via the moving member 20 in a regular manner. Therefore, the operability of the electronic component 100 can be improved.

In addition, the above-mentioned embodiments are merely examples of implementation of the present invention, and the technical scope of the present invention should not be construed as limited by these. . That is, the present invention can be implemented in various forms without departing from its gist or main features.

INDUSTRIAL APPLICATION This invention is suitably utilized for the electronic component provided with the assembly structure of the locking member which is required to be easy to assemble and to increase assembly strength easily.

1 Assembly structure of locking member 10 Case 10a Accommodation space 11a, 11b, 11c, 11d, 11f Plate part 12 Opening part 13 Allowance part 13a Through hole for assembly 14 Restriction part 14a Restriction through hole 18 Insertion hole 20 Moving member 21, 21a, 21b, 21c, 21d, 21e, 21f, 21g Surface portion 22 Shaft portion 24, 24a, 24b Other end fitting portion 26a, 26b Projection portion 27 Convex portion 28 Protrusion portion 30 Biasing member 31 Depth direction One side end 32 Other side end in the depth direction 40 Locking member 41a, 41b, 41c, 41d, 41e, 41f Surface portion 42 Engagement groove 44 One side end fitting portion 44a Shaft portion 46 Lock portion 100 Electronic component

Claims (9)

a housing having an opening on one side in a predetermined direction;
a moving member housed in the housing so as to be reciprocally movable in a predetermined direction;
a biasing member housed in the housing, disposed on one side of the movable member in the predetermined direction, and biasing the movable member toward the other side in the predetermined direction;
a locking member assembled to the housing and locking to an end of the biasing member on one side in the predetermined direction;
Equipped with
The locking member is configured to be rotatable on a plane perpendicular to the predetermined direction between an insertion position where the locking member is inserted into the housing through the opening and an assembly position where it is assembled to the housing.
Assembling structure of locking member. The housing includes a allowing portion that allows the locking member to rotate on a plane perpendicular to the predetermined direction in the insertion position, and a permission portion that allows the locking member to rotate on the plane in the assembly position. and a restriction portion that restricts movement of the locking member to one side in the predetermined direction in the assembly position;
An assembly structure for a locking member according to claim 1. The allowing portion allows the locking member to rotate 90 degrees;
The locking member assembly structure according to claim 2. The locking member has an engagement groove in which a tool for rotating the locking member inserted at the insertion position on the plane engages.
An assembly structure for a locking member according to any one of claims 1 to 3. The locking member has a one-side end fitting portion that fits into one end of the biasing member in the predetermined direction.
An assembly structure for a locking member according to any one of claims 1 to 4. The moving member has an other end fitting portion that fits into the other end of the biasing member in the predetermined direction.
An assembly structure for a locking member according to any one of claims 1 to 5. The biasing member includes a coiled spring disposed in a compressed state between the moving member and the locking member.
An assembly structure for a locking member according to any one of claims 1 to 6. the moving member and the biasing member are accommodated in the housing through the opening;
An assembly structure for a locking member according to any one of claims 1 to 7. The locking member assembly structure according to any one of claims 1 to 8,
a detection unit that detects the movement of the moving member;
Equipped with
electronic components.