JPH0617289U - Printed board support structure - Google Patents

Abstract

(57) [Abstract] [Purpose] The present invention relates to a printed board support structure in which a printed board is vertically mounted on a mother board through support metal fittings. The printed board is securely supported and easily inserted.
Furthermore, it is another object of the present invention to provide a structure that does not project laterally in the lateral direction of the printed board. [Structure] The supporting metal member is composed of a gate-shaped plate material having a height near the bottom of the printed board, in which an opening is formed between the inside and outside legs at the top side, and a supporting wall surface is formed on the outside legs. Along with this, the inner leg is formed with an inclined part that becomes thinner from the top side to the motherboard side in the thickness direction of the printed board, and the side end surface of the printed board is regulated by the support wall surface of the outer leg of the support fitting, The printed board was supported between the pair of support fittings by regulating the side surface of the printed board by the inclined portion of the leg portion inside the support fitting.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a print board support structure for vertically mounting a print board on a motherboard via support metal fittings.

[0002]

[Prior art]

 Generally, a mother board used as a base for mounting electrical equipment has a mother board side connector, and a printed board has a printed board side connector. When the printed board is mounted on the mother board, the mother board side connector is mounted. And the connector on the printed board side are connected. Due to the high density of mounting parts on such a motherboard, it is required that the support metal fittings for supporting the printed board on the motherboard be compact.

FIG. 10 shows an example of a supporting structure for a printed board of this type. In the figure, reference numeral 101 is a mother board, and a mother board side connector 101A is provided on the mother board 101.

Then, the support fittings 102, 102 are arranged on the mother board 101 so as to face each other on both sides of the mother board side connector 101A. The support fitting 102 is formed by reinforcing a support 102B on an L-shaped bracket 102A, and the bottom portion of the bracket 102A is fixed on the motherboard 101 via a screw 103.

The printed board 104 has a printed board side connector 104A connected to the motherboard side connector 101A, and the side ends 104B and 104B of the printed board 104 are supported between the support fittings 102 and 102. .

In this way, the printed board 104 is mounted on the mother board 101 via the pair of support fittings 102, 102.

[0007]

[Problems to be solved by the device]

 However, in the conventional printed board supporting structure, the supporting metal fitting 102 is required to securely support the printed wiring board 104, and in order to firmly fix the supporting metal fitting 102 on the mother board 101, the supporting metal fitting is required. 102 needs support 102B.

Therefore, the support metal fitting 102 occupies a space on the mother board 101 from the side edge 104B of the printed board 104 to a portion that is expanded in the lateral direction, and the space for mounted components is reduced accordingly.

Therefore, as a structure of the support fitting, there is also a support fitting 110 shown in FIG. 11 as a structure not reinforced by a support. The support metal fitting 110 is made of a press plate material, does not occupy a space from the side edge 104B of the printed board 104 to a portion laterally expanded, and although there is a space, there is a merit in the printed board 104. The height dimension L is increased in consideration of insertion and support. However, since the support fitting 110 is a pressed plate material, the dimension between the support fittings 110, 110 cannot be secured due to a springback or the like, and the printed board 104 is not supported reliably. This tendency becomes remarkable when the dimension L in the height direction of the printed board 104 is increased.

Further, as shown in FIG. 12, if the support of the upper end of the printed board 104 is restricted by the cover 111, the printed board 104 can be surely supported and the detachment of the printed board 104 can be prevented, but the printed board 104 is prevented. The size in the height direction must be unnecessarily large, and the device becomes large.

The present invention has been made to solve the above-mentioned problems, and its purpose is to ensure the support of the print board, facilitate the insertion thereof, and further to the lateral direction of the side end of the print board. Another object of the present invention is to provide a printed circuit board support structure that can be formed so as not to project.

[0012]

[Means for Solving the Problems]

 According to a first aspect of the present invention, a support metal fitting is fixed on a mother board having a mother board side connector so as to face and be positioned on both sides of the mother board side connector, and is connected to the motherboard side connector between the pair of support metal fittings. In a printed circuit board support structure for mounting a printed circuit board having a printed circuit board-side connector, the supporting metal fittings have an opening formed on the top side between the inner and outer leg parts, and the height near the bottom of the printed circuit board. It is composed of a sash-shaped plate material, and the support wall is formed on the outer leg, and the inner leg is formed with an inclined part that becomes thinner in the thickness direction of the printed board from the top side to the motherboard side. The side end surface of the is regulated by the support wall surface of the leg outside the support fitting, and the side surface of the printed board is regulated by the inclined portion of the leg inside the support fitting. Characterized in that supporting the lint plate between a pair of support brackets.

A second aspect of the present invention is characterized in that a guide portion that extends outward is provided at an outer portion of the opening at the top of the support fitting. According to a third aspect of the present invention, the support metal fittings are fixed on the motherboard having the connector on the mother board side so as to face and face both sides of the connector on the motherboard side, and are connected to the motherboard side connector between the pair of support metal fittings. In a printed board support structure for mounting a printed board with a printed board side connector, a recess is formed on the side end surface of the print board near the bottom of the printed board, and the support metal is installed on the top side between the inner and outer legs. Consists of a gate-shaped plate with a height near the bottom of the printed board, which has openings, and a supporting wall surface with locking parts protruding inward on the outer legs, and the inner legs. In the thickness direction of the printed circuit board, an inclined part that becomes thinner from the top side to the motherboard side is formed, and the concave part of the printed circuit board is locked to the locking part of the outer leg of the support bracket. In this state, the side end surface of the printed board is regulated by the supporting wall surface of the leg portion outside the support fitting, and the side surface of the printed board is regulated by the inclined portion of the leg portion inside the support fitting, so that the printed board is It is characterized in that it is supported between the support fittings.

[0014]

[Action]

 In the invention according to claim 1, when the printed board is inserted between the support fittings, the side end surface of the printed board is guided by the support wall surface of the leg portion outside the support fitting, and the side surface of the print board is supported. It is guided by the inclined part of the leg inside the metal fitting.

The side end surface of the printed board is regulated by the support wall surface of the leg portion outside the support fitting, and the side surface of the printed board is regulated by the inclined portion of the leg portion inside the support fitting. According to the second aspect of the present invention, the guide portions guide the side end surfaces on both sides of the printed board.

According to the third aspect of the present invention, in the state where the printed board is supported between the support fittings, the recessed portion of the printed board engages with the engaging portion that protrudes inwardly of the outer leg of the gate-shaped board. When the printed board is pulled out, the concave part of the printed board is securely fixed to the locking part of the support fitting.

Further, when the printed board is pulled out from between the support fittings by a strong force during maintenance or the like, the recess of the printed board is removed from the locking portion.

[0018]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. 1 to 3 show a printed circuit board support structure according to a first embodiment of the present invention.

In the figure, reference numeral 1 is a mother board on which a mother board side connector 2 is provided. On the motherboard 1, two groups of holes, which are four mounting holes 1A, are formed on both sides of the motherboard-side connector 2, respectively.

On the mother board 1, support metal fittings 3, 3 are arranged facing each other on both sides of the mother board side connector 2. The support metal fitting 3 is formed by a gate-shaped plate material having a height near the bottom of a printed board 10 to be described later, in which an opening 6 is formed between the inner and outer legs 4 and 5 on the top side, and the outer leg 4 is formed. A support wall surface 7 is formed on the inner side of the leg portion 5, and an inclined portion 8 is formed on the inner leg portion 5 so as to become thinner from the top side toward the mother board 1 side in the thickness direction of the print plate 10. Further, projections 9 are formed at four places on the mounting ends of the legs 4 and 5.

Then, the four protrusions 9 of the support fitting 3 are inserted into the four mounting holes 1 A of the mother board 1, and the protrusions 9 are fixed to the mother board 1 by soldering, so that the support fitting is attached to the mother board 1. 3 and 3 are fixed.

A printed board 10 has a printed board-side connector 11 connected to the motherboard-side connector 2, and a side end surface 12 of the printed board 10 is restricted by a support wall surface 7 of a leg portion 4 outside the support fitting 3. At the same time, the side surface 10A of the printed board 10 is regulated by the inclined portion 8 of the leg 5 inside the support fitting 3, so that the printed board 10 is supported between the support fittings 3, 3.

In this way, the printed board 10 shown by the chain double-dashed line in FIG. 1 is supported on the mother board 1 via the support fittings 3, 3. When the printed board 10 is inserted between the support fittings 3 and 3, the side end surface 12 of the printed board 10 is guided by the support wall surface 7 of the leg 4 outside the support fitting 3, and The lower portion 10B of the side surface 10A is guided by the inclined portion 8 of the leg portion 5 inside the support fitting 3.

That is, the support wall surface 7 of the leg portion 4 on the outside of the support fitting 3 has a supporting function and a guiding function for the side end surface 12 of the printed board 10, and the inclined portion of the leg portion 5 inside the support fitting 3 is provided. Reference numeral 8 has a supporting function and a guiding function for the side surface 10A of the print plate 10.

According to the above-described configuration, it is possible to configure the support fitting 3 with a gate-shaped plate material having a height near the bottom of the printed board 10, and the height of the support fitting 3 can be reduced. . Moreover, even if the height of the supporting metal fitting 3 is low, the positional restriction of the printed board 10 in the lower portion 10B of the side surface 10A and in the side end direction can be secured as in the conventional example. Can be made compact.

Further, since the side end surface 12 of the printed board 10 is regulated by the support wall surface 7 of the leg 4 outside the support fitting 3, the printed board 10 is housed between the support fittings 3 and 3 on both sides of the support fitting 3 to support it. It is possible to prevent the metal fitting 3 from protruding outward in the side end direction from the side end surface 102 of the printed board 10, and to secure a space for mounting mounted components around the support metal fitting 3.

Furthermore, as shown in FIG. 3, when the printed board 10 is set on the support fittings 3, 3, the side surface 10 A of the printed board 10 can be guided by the inclined portion 8, so that the printed board 10 is supported. The setting between the metal fittings 3 can be facilitated.

Since the protruding portion 9 of the support fitting 3 is fixed to the motherboard 1 by soldering, it can be mounted at the time of solder dipping of another electric component, and the number of mounting steps can be reduced. Further, since the support fitting 3 has a function of inserting and supporting the printed board 10, the positioning of the printed board 10 can be facilitated and the number of assembling steps can be reduced.

In the present embodiment, the sloped portion 8 has a shape that becomes thinner from the top side toward the mother board 1 side. However, as shown in FIG. It is possible to form the support portion 8A having a width with which the tip end of 10 is fitted. The support portion 8A can more reliably support the printed board 10.

Further, as shown in FIG. 5, a guide portion 13 formed by a cut-and-raised portion that expands outward is provided on an outer portion of the opening 6 at the top of the support fitting 3, and the guide portion 13 allows the print plate 10 to be guided. Since the side end surface 12 is guided, it is possible to easily insert the printed board 10 into the opening 6 of the support fitting 3. Further, when the printed board 10 is mounted at a high density, it may be difficult to see the mother board side connector 2 of the mother board 1, but the guide board 13 can be used as a mark to easily insert the printed board 10.

FIGS. 6 and 7 show a printed board support structure according to a second embodiment of the present invention, and only portions different from the first embodiment will be described. The same components as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

As shown in the drawing, a guide portion 13 formed by a cut-and-raised portion that extends outward is provided at an outer portion of the opening 6 at the top of the support fitting 3. A recess 21 is formed near the bottom of the side end surface 12 of the printed board 10, and an inwardly projecting locking portion 22 is formed on the support wall surface 7 of the leg 4 on the outside of the support tool 3. The side end surface 12 of the printed board 10 is regulated by the support wall surface 12 of the leg portion 4 outside the support fitting 3 in a state where the recess 21 of the printed board 10 is locked to the locking portion 22.

According to the present embodiment, in a state where the printed board 10 is supported between the support fittings 3 and 3, the recess 22 of the printed board 10 is formed in the locking portion 22 that protrudes inward of the leg portion 4 on the outer side thereof. 21 is locked, and the concave portion 21 of the printed board 10 is securely fixed to the locking portion 22 of the support fitting 3 against the force of the printed board 10 coming off, and the printed board 10 is prevented from falling off due to vibration or the like. it can.

Further, during maintenance or the like, if the guide portion 13 is rotated inward (Y direction) as shown in FIG. 7, the locking portion 22 is rotated outward with the vicinity of its root as an axis. Then, in this state, when the print plate 10 is pulled out from between the support fittings 3, 3 with a strong force, the recess 21 of the print plate 10 is removed from the locking portion 22, and the printed board 10 is supported by the support fittings 3, 3. It can be removed from the space.

Further, instead of the locking portion 22 of FIG. 7, as shown in FIGS. 8 and 9, it is also possible to form a locking portion 23 having a bent portion 23A bent outwardly at the tip. it can. Then, when the printed board 10 is pulled out from between the support fittings 3 and 3 with a strong force at the time of maintenance, the concave portion 21 of the printed board 10 is disengaged from the bent portion 23A of the locking portion 23 to support the printed board 10. It can be removed from between the metal fittings 3, 3.

[0036]

[Effect of device]

 As described above, according to the invention of claim 1, it is possible to configure the support fitting with a gate-shaped plate material having a height near the bottom of the printed board, and to lower the height of the support fitting. You can Moreover, even if the height of the supporting metal fitting is low, the positional regulation of the printed board in the lateral direction and the side edge direction can be secured as in the conventional example, and the supporting metal fitting can be made compact.

Further, since the side end surface of the printed board is regulated by the support wall surface of the leg portion outside the support fitting, the printed board is housed between the support fittings on both sides of the support fitting, and the support fitting is located side by side from the side end surface of the printed board. It is possible to prevent bulging outward in the end direction and secure a space for mounting mounted components around the support metal fitting.

According to the second aspect of the invention, since the guide portions guide the side end faces on both sides of the printed board, the printed board can be easily inserted into the opening of the support fitting. According to the invention as set forth in claim 3, in the state where the printed board is supported between the support fittings, the recesses of the printed board are engaged with the engaging portions projecting inwardly of the outer leg portions of the support fitting. Therefore, the concave portion of the printed board is reliably fixed to the engaging portion of the support fitting against the force of the printed board to be removed, and the printed board can be prevented from falling off due to vibration or the like.

Further, when the printed board is pulled out from between the support fittings by a strong force at the time of maintenance or the like, it is possible to remove the recessed portion of the printed board from the locking portion and remove the printed board from between the support fittings. .

[Brief description of drawings]

FIG. 1 is an assembled front view of a support structure for a printed board according to a first embodiment of the present invention.

FIG. 2 is a perspective view of the support fitting of FIG.

FIG. 3 is a view taken in the direction of the arrow X in FIG.

FIG. 4 is a front view showing a first modified example of the support fitting.

FIG. 5 is a perspective view showing a second modification of the support fitting.

FIG. 6 is a front view of a printed board support structure according to a second embodiment of the present invention.

FIG. 7 is a perspective view of the support fitting of FIG.

8 is a cross-sectional view showing a modified example of the support fitting of FIG.

FIG. 9 is a perspective view of the support fitting.

FIG. 10 is a front view of a conventional support structure for a first printed board.

FIG. 11 is a front view of a conventional support structure for a second printed board.

FIG. 12 is a front view of a conventional third printed board supporting structure.

[Explanation of symbols]

 1 Motherboard 2 Motherboard side connector 3 Support metal fitting 4 Outer leg section 5 Inner leg section 7 Support wall surface 8 Inclined section 10 Printed board 10A Side surface 11 Printed board side connector 12 Side end surface

Claims (3)

[Scope of utility model registration request] 1. A printed board to be fixed to a mother board having a mother board side connector by fixing support metal fittings on both sides of the mother board side connector so as to face each other and to be fixed between the pair of support metal fittings. A support structure for a printed board to which a printed board having a side connector is attached, wherein the support metal is formed by forming an opening on the top side between inner and outer legs, and a gate-shaped board material having a height near the bottom of the printed board. The outer leg part has a support wall surface and the inner leg part has an inclined part that becomes thinner in the thickness direction of the printed board from the top side to the motherboard side to support the side end surface of the printed board. The printed board is controlled by the support wall surface of the leg outside the metal fitting and the side surface of the printed board by the inclined portion of the leg inside the support metal fitting. A printed board support structure characterized by being supported between a pair of support fittings. 2. An outer portion of the opening at the top of the support fitting,
The printed board support structure according to claim 1, further comprising a guide portion that extends outward. 3. A printed board to be fixed to a mother board having a mother board side connector by fixing support metal fittings on both sides of the mother board side connector so as to face each other and to be fixed between the pair of support metal fittings. In a printed circuit board support structure for mounting a printed circuit board having a side connector, a concave portion is formed on the side end surface of the printed circuit board near its bottom, and the supporting metal fitting is formed with an opening on the top side between the inner and outer legs. It is composed of a gate-shaped plate material with a height near the bottom of the printed board, and a supporting wall surface having an inwardly protruding locking portion is formed on the outer leg and the thickness of the printed board is formed on the inner leg. In the vertical direction, a slanted part that becomes thinner from the top side to the motherboard side is formed, and the printed part is locked with the recessed part of the leg on the outside of the support bracket. The side end surface of the board is regulated by the support wall surface of the leg portion outside the support fitting, and the side surface of the printed board is regulated by the inclined portion of the leg portion inside the support fitting, so that the printed board is placed between the pair of support fittings. A support structure for a printed board characterized by being supported.