JP2008258529A - Fitting and fixing structure for electrical component in electrical equipment - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable electrical components such as a jack component to be fitted and fixed onto a housing such as a chassis, case, etc. without fitting and fixing such components onto the housing with screws, thus reducing costs due to no need of screws, and simplifying a line work due to no need of tightening screws. <P>SOLUTION: A fitting and fixing structure for an electrical component in electrical equipment is made such that a screw hole 2a is prepared on an electrical component such as a jack component 2, etc. mounted on a substrate 1, a protuberance 4 is prepared at a location corresponding to the screw hole 2a of an electrical component such as a jack component 2, etc. in a housing such as a chassis 3, case, etc., the protuberance 4 having a locking part 4a that is inserted into the screw hole 2a and locked up, and the locking part 4a of the protuberance 4 is inserted into the screw hole 2a of the electrical component such as a jack component 2, etc. so as to fit and fix the electrical component such as a jack component 2, etc. to a housing such as a chassis 3, case, etc., and a locking nail 4b, which locks at an inner edge of the screw hole 2a, is formed at the end part of the locking part 4a. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an electrical component mounting / fixing structure in an electrical device in which an electrical component mounted on a substrate disposed in the housing of the electrical device is mounted and fixed to the housing.

  Conventionally, as shown in FIGS. 3A and 3B, a jack component 103 mounted on a substrate 102 disposed in a housing 101 such as a chassis or a case of an electric device is attached and fixed to the housing 101. The jack 104 is attached to the housing 101 by inserting the screw 104 into the hole 101a formed in the housing 101 and screwing the tip of the screw 104 into the screw hole 103a formed in the jack component 103. It was fixed. However, since the screw 104 is required, the cost is high, and the work for screwing the screw 104 is required, so that there is a problem that the line work is troublesome.

  The first prior art is shown in FIGS. 4 (a), 4 (b), and 5. FIG. As shown in FIGS. 4A and 4B and FIG. 5, this conventional jack mounting mechanism has a jack body 203 provided with a plug insertion hole 204 into which a plug is inserted. A jack 201 having a support piece 207 and a connection terminal 206 projecting therefrom, and a jack mounting portion 212 in which the jack 201 is disposed from one surface side to the other surface side are provided, and the jack 201 projects from the jack 201. A connection portion 213 to which the connection terminal 206 is connected has a mounting substrate 202 provided on one surface. The jack 201 has a support piece 207 protruding from one surface side of the mounting substrate 202 and a connection terminal 206 connected to the connection portion 213 so that the jack 201 extends from one surface side of the mounting substrate 202 to the other surface side. It is attached to the attachment part 212. (For example, refer to Patent Document 1).

However, in this case, the jack 201 is not attached and fixed to the housing, but the jack 201 is attached and fixed to the attachment substrate 202.
JP 2000-114750 A

  The present invention has been made in view of the above-described conventional problems, and the electrical component such as the jack component is attached to the chassis such as the chassis or the case with a screw without fixing the electrical component such as the jack component to the chassis. It is possible to reduce the cost without the need for screws, and to simplify the line work without the need to fix the screws. The object is to provide a mounting and fixing structure.

  The present invention has been proposed to solve the above-described problems, and the invention according to claim 1 attaches an electrical component mounted on a board disposed in a housing of an electrical device to the housing. In the mounting and fixing structure of the electric component in the electric device to be fixed, a screw hole is formed in the electric component, and the screw hole is inserted into the housing at a position corresponding to the screw hole of the electric component. A protrusion having an engaging part to be engaged and locked is provided, and the electric part is attached and fixed to the casing by engaging and locking the engaging part of the protrusion into the screw hole of the electric part. It is characterized by being configured to do so.

  The invention according to claim 2 is the invention according to claim 1, wherein the electrical component is a jack component.

  The invention according to claim 3 is the invention according to claim 1 or 2, wherein the casing is a chassis or a case.

  According to a fourth aspect of the present invention, in the first to third aspects of the present invention, a locking claw for locking to the inner edge of the screw hole is integrally formed at the tip of the locking portion of the protrusion. .

  According to a fifth aspect of the present invention, in the fourth aspect of the present invention, the locking portion of the protrusion having the locking claw at the tip is formed in a bifurcated shape having elasticity.

  According to the first aspect of the present invention, the electrical component is attached to the housing by engaging and locking the locking portion of the protrusion formed on the housing in the screw hole of the electrical component mounted on the board. Since it can be fixed, the cost can be reduced without the need for screws. In addition, the line work can be simplified without the need for screwing work.

  According to the second aspect of the present invention, since the electrical component is a jack component, the jack component can be attached and fixed to the housing without being screwed.

  According to the third aspect of the present invention, since the casing is a chassis or a case, an electrical component such as a jack component can be attached and fixed to the chassis or the case without screwing.

  According to the fourth aspect of the present invention, since the engaging claw that engages the inner edge of the screw hole is integrally formed at the tip of the engaging part of the protrusion, the engaging claw part of this protrusion is connected to the jack part. Thus, the electric component such as the jack component can be securely attached and fixed to the chassis or the case such as the case.

  According to the invention described in claim 5, since the locking portion of the protrusion is formed in a bifurcated shape having elasticity, the locking portion of the protrusion can be easily inserted into the screw hole. After that, the bifurcated locking portion is urged outward, so that the locking claw of the locking portion does not come off from the inner edge of the screw hole, and the locking portion of this protrusion can Electrical components can be attached and fixed more firmly by a chassis or case.

  DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments of an electrical component mounting and fixing structure in an electrical apparatus according to the present invention will be described with reference to the drawings. In the following embodiments, a jack component will be described as an electrical component. However, the present invention is not limited to this, and the present invention can be applied to other electrical components. A chassis is described as a housing. It can be applied to other cases.

  1A and 1B show a state in which the jack component of the first embodiment is attached to the chassis. FIG. 1A is a side view showing a state before the attachment, and FIG. 1B is a side view showing a state when the attachment is completed.

  In the first embodiment, as shown in FIG. 1A, a jack component 2 is mounted on a board 1, and a screw hole 2a is formed on the front wall of the head of the jack component 2 and the front wall. The upper and lower two connection portions 2b and 2b are provided in a state of protruding forward. The chassis 3 is provided with a protrusion 4 having a locking portion 4a at a position corresponding to the screw hole 2a of the jack component 2, and through holes 3a and 3a are formed at positions corresponding to the connecting portions 2b and 2b. The part 4a is integrally provided with a locking claw 4b at the end of its tip. From the state shown in FIG. 1A, the chassis 3 is moved to the board 1 side as shown by an arrow, and as shown in FIG. 1B, the locking portion 4a of the protrusion 4 of the chassis 3 is connected to the screw of the jack part 2. While pushing into the hole 2a, the connection parts 2b and 2b of the jack component 2 are inserted into the through holes 3a and 3a.

  According to the first embodiment, the locking portion 4a of the projection 4 of the chassis 3 is pushed into the screw hole 2a of the jack component 2, and the locking claw 4b is locked to the inner edge of the screw hole 2a. Since the component 2 can be attached and fixed to the chassis 3, when the jack component 2 is attached to the chassis 3, the cost can be reduced without the need for screws, and the line operation can be simplified without requiring the screw fixing operation. be able to. Further, since a locking claw 4b that locks to the inner edge of the screw hole 2a is integrally formed at the tip of the locking portion 4a of the protrusion 4, the locking claw portion 4a of the protrusion 4 is pulled out to the jack part 2. The jack part 2 can be securely locked in the stopped state, and the jack part 2 can be firmly attached and fixed to the chassis 3.

  2A and 2B show a state in which the jack component of the second embodiment is attached to the chassis. FIG. 2A is a side view showing a state before the attachment, and FIG. 2B is a side view showing a state when the attachment is completed. In addition, the same code | symbol is attached | subjected to the same member and the same location as above-mentioned 1st Embodiment, and the description is abbreviate | omitted.

  In the second embodiment, as shown in FIG. 2A, the locking portion 4a of the projection 4 is formed in a bifurcated shape having elasticity. Therefore, according to the second embodiment, since the locking portion 4a of the protrusion 4 is formed in a bifurcated shape having elasticity, the locking portion 4a of the protrusion 4 can be easily engaged in the screw hole 2a. After engaging, as shown in FIG. 2 (b), the bifurcated locking portion 4a is urged outward, so that the locking claw 4b of the locking portion 4a is inserted into the screw hole 2a. The jack component 2 can be more firmly attached and fixed to the chassis 3 by the locking portion 4a of the protrusion 4 without being detached from the inner edge.

The state which attaches the jack component of 1st Embodiment to a chassis is shown, (a) is a side view which shows the state before the attachment, (b) is a side view which shows the state at the time of the completion of attachment. The state which attaches the jack component of 2nd Embodiment to a chassis is shown, (a) is a side view which shows the state before the attachment, (b) is a side view which shows the state at the time of the completion of attachment. The state which attached the conventional jack components to housings, such as a chassis or a case, is shown, (a) is a side view which shows the state before the attachment, (b) is a side view which shows the state at the time of the completion of attachment. The conventional jack attachment mechanism is shown, (a) is a perspective view showing a state before the jack is attached to the attachment board, (b) is a perspective view of the state where the jack is attached to the attachment board. It is a front view which shows the state at the time of the completion of the attachment of the jack in the attachment mechanism of the jack.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Board | substrate 2 Jack component 2a Screw hole 2b Connection part 3 Chassis 3a Through-hole 4 Protrusion 4a Locking part 4b Locking claw

Claims (5)

  In the electric component mounting and fixing structure in the electric device, which is configured to fix the electric component mounted on the board disposed in the electric device casing to the case, a screw hole is formed in the electric component, A protrusion having a locking portion that is inserted into the screw hole and engaged and locked is provided at a position corresponding to the screw hole of the electrical component in the housing, and the locking portion of the protrusion is connected to the electrical component. An electrical component mounting / fixing structure in an electrical device, wherein the electrical component is mounted and fixed to the housing by being engaged and locked in a screw hole.   The electric component mounting and fixing structure according to claim 1, wherein the electric component is a jack component.   The electric component mounting and fixing structure according to claim 1 or 2, wherein the casing is a chassis or a case.   4. A mounting and fixing structure for an electrical component in an electrical device according to claim 1, wherein a locking claw that locks to an inner edge of the screw hole is integrally formed at a distal end portion of the locking portion of the protrusion.   The electric component mounting / fixing structure according to claim 4, wherein an engaging portion of a protrusion having the engaging pawl at a tip portion is formed in a bifurcated shape having elasticity.