JP2000040884A - Spacer structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a spacer structure for improving a working efficiency including the screwing of a mounting screw, by using one fixing member for assembly, for example, the mounting screw. SOLUTION: In a spacer A, a gear-lock means consisting of a flange part 2 being provided at a base edge part 1a and a presser part 7 for pinching one printed-circuit board 30 along with the flange part 2 being provided in the middle of the spacer body 1 is provided at the base edge part 1a of the spacer body 1. At the same time, the structure is constituted by providing a positioning and sealing means where an end face part 3 and an abutment part 4 that is at a lower stage than the end face part 3 is provided at a tip part 1b of the spacer body 1 and at the same time a screw hole 6 is provided over a level difference part 1c consisting of the end face part 3 and the abutment part 4 at the tip part 1b of the spacer body 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a spacer structure for maintaining a space between boards (plates) such as a printed circuit board.

[0002]

2. Description of the Related Art Conventionally, this type of spacer A1 is shown in FIG.
As shown in FIG. 2, a spacer body 40 having a round shaft shape is provided, and screw holes 41 are formed in both end surface portions 40a and 40b of the spacer body 40. As another conventional spacer A2, as shown in FIG. 12, there is a spacer A2 in which a screw hole 46 is provided at a distal end portion of a round shaft-shaped spacer body 45 and a male screw rod portion 47 is provided at a proximal end portion. .

When assembling the other printed circuit board 60 to one printed circuit board 50 using the former spacer A1, first, a mounting insertion hole 51 provided at a position corresponding to the four corners of one printed circuit board 50 is used. The mounting screws 52 are inserted into the screw holes 41 of the end face 40b on the base end side of the spacer A1,
The other printed circuit board 60 is placed on the end surface portion 40a on the tip end side of these four spacers A1, and mounting screws 62 are provided from outside to mounting insertion holes 61 provided at positions corresponding to the four corners of the other printed circuit board 60. , And these mounting screws 62 are screwed into the screw holes 41 of the spacer A1, and the other printed board 60 is assembled to one printed board 50 via the spacer A1.

When assembling the other printed circuit board 60 to one printed circuit board 50 using the latter spacer A2, first, the mounting insertion holes 51 provided at positions corresponding to the four corners of the one printed circuit board 50 are used. Male threaded rod 4
7, the nut member 63 is screwed into the male screw rod portion 47 protruding from the back side of one printed circuit board 50, and the other printed circuit board 6 is attached to the tip of these four spacers A 2.
0, and mounting screws 62 are inserted from the outside into mounting insertion holes 61 provided at positions corresponding to the four corners of the other printed circuit board 60, and these mounting screws 62 are
1 is screwed into the screw hole 46 at the tip of the other printed circuit board 60 via the spacer A2.
Is assembled.

[0005]

However, in the former conventional example described above, the mounting screws 52 are inserted into one of the printed circuit boards 50 from the outside, and these mounting screws 5 are inserted.
2 is a screw hole 41 in the end face 40b on the base end side of the spacer A1.
And the end surface 40a on the tip side of the four spacers A1
The other printed circuit board 60 is placed on the other printed circuit board 60, and mounting screws 62 are inserted into the other printed circuit board 60 from outside, and these mounting screws 62 are screwed into the screw holes 41 of the spacer A1. In order to assemble the other printed circuit board 60 with the spacer A1 interposed therebetween, two assembling screws 52, 62 are required for this assembling, and workability including screwing in these assembling screws 52, 62 is poor. There was a problem.

Further, in the latter conventional example, the male screw rod portion 47 of the spacer A2 is inserted into the mounting insertion hole 51 of the one printed circuit board 50, and the male screw rod portion 47 protruding from the back side of the one printed circuit board 50. The other printed circuit board 60 is mounted on the tip of the spacer A2, and the mounting screws 62 are inserted into the other printed circuit board 60 from the outside.
2 is screwed into the screw hole 46 at the tip of the second printed circuit board 60 via the spacer A2.
As a result, one nut member 63 and one mounting screw 62 are required for this mounting, and there is a problem that workability including screwing work of the nut member 63 and the mounting screw 62 is poor. Was.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and has as its object to provide a single fixing member (for example, a mounting screw) for use in assembling. An object of the present invention is to provide a spacer structure capable of improving workability including fixing work (screw-in of mounting screws).

[0008]

In order to achieve the above object, a spacer structure according to the first aspect of the present invention has a structure in which a spacer is interposed between one and the other plate-like members so that the one and the other plate are interposed. In a spacer structure for holding a space between the plates, the spacer is inserted into a mounting insertion hole provided in the one plate and the base end of the spacer is detachably engaged with the one plate. A locking means for stopping, and a positioning / fixing means for positioning the peripheral portion of the other plate-shaped body and fixing the other plate-shaped body to the distal end of the spacer with a fixing member. It is characterized by having done.

With this configuration, the spacer is removably locked to the one plate by the locking means, so that the spacer is locked to the one plate and the positioning is determined. The other plate-like body can be positioned and fixed to the tip of the spacer by the fixing means, and the other plate-like body can be assembled to one plate-like body via the spacer.

As described above, the locking of the spacer to one of the plate members and the determination of the positioning are performed, the positioning of the other plate member is performed, and the other member is fixed to the spacer by a fixing member (for example, a mounting screw). A single fixing member is used for assembling the plate-like body, so that the work of fixing the fixing member, for example, the work of screwing in the mounting screw, can be improved.

According to a second aspect of the present invention, there is provided a spacer structure according to the first aspect, wherein the locking means is provided at a base end of the spacer body. One holding portion, and the other holding portion provided in the middle portion of the spacer main body and holding the one holding portion, and holding the one plate-shaped body. At the distal end of the spacer body, an end surface portion and a receiving surface portion which is one step lower than the end surface portion are provided, and the distal end portion of the spacer main body straddles a step formed by the end surface portion and the receiving surface portion and the other end. The screw insertion portion provided on the peripheral portion of the plate-shaped body is provided with a screw hole that overlaps, and the mounting insertion hole is formed in the one plate-shaped body with a hole through which the spacer body of the spacer is inserted. Formed on the periphery of the hole Which is configured by providing a clamping portion insertion hole for inserting the other clamping portion.

With this configuration, a spacer is inserted from the outside into the mounting insertion hole of one of the plate-like members, and the holding portion of this spacer is passed through the holding portion insertion hole portion connected to the hole portion, and these holding portions are inserted. One plate-like body is located between the part and the flange part, the spacer is rotated appropriately, and the one plate-like body is sandwiched between the holding part and the flange part, and the spacer is disengaged from the one plate-like body. By locking as much as possible, locking of the spacer to one plate-like body and determination of the direction of the receiving surface at the distal end of the spacer, that is, determination of positioning, are performed, and the receiving surface on the distal end side of the spacer is determined. , The edge of the other plate is hooked, the edge of the other plate is abutted against the step of the tip of the spacer, and the other plate is screwed into the screw hole. Align the parts, screw the mounting screws into the screw holes and tighten Securing the other plate-like body to the distal end of the spacer via the spacer on one of the plate can be assembled with other plate-like body.

As described above, the locking of the spacer to one of the plate-like members, the determination of the directionality of the receiving surface at the distal end of the spacer,
That is, the positioning screw is determined, the other plate-shaped body is positioned, and the mounting screw is screwed into the screw hole so that the other plate-shaped body is fixed to the spacer. This is one point, and the workability including the work of screwing in this mounting screw can be improved.

In order to achieve the above object, a spacer structure according to a third aspect of the present invention is the spacer structure according to the second aspect, wherein the pressing portion is provided on one surface portion and the one surface portion. The other facing and inclined other surface portion, and a side surface portion connecting an end of the one surface portion and an inclined side end of the other surface portion, and a cut portion is formed in the side surface portion, and the cut portion is formed. The portion on the one surface portion side is a fixed portion, and the portion on the other surface portion side from the cut portion is a movable portion.

With this configuration, not only can the same operation and effect as those of the first aspect of the invention be achieved, but also a notch is formed in the side surface, and the portion on the one surface side from this notch is fixed. By making the portion on the other surface side of the notch portion a movable portion, for example, the size of the side portion of the holding portion is set to 1.6 cm, and the portion of the notch portion is 1.2 cm.
cm plate thickness can be dealt with. For this reason, when the thickness of one plate is 1.6 cm,
When the spacer is rotated, the movable portion of the pressing portion bends toward the cut portion, so that the pressing portion and the flange portion can sandwich one plate-like body.

In order to achieve the above object, a spacer structure according to a fourth aspect of the present invention is the spacer structure according to the second aspect, wherein the positioning / fixing means is provided at a tip end of the spacer body. An end face portion and a receiving surface portion that is one step lower than the end face portion are provided, and a groove portion for inserting a rotary tool is provided between the end face portion and the receiving surface portion at the distal end portion of the spacer body, and the end face portion is provided. The screw hole is provided so as to straddle a step formed by the receiving surface portion and overlap with the screw insertion portion of the other plate-like body.

According to this structure, not only the same operation and effect as the operation and effect of the first aspect of the invention can be obtained, but also the spacer is rotated by inserting the rotary tool into the groove for inserting the rotary tool, so that the pressing portion and the flange portion can be rotated. Thus, the spacer can be detachably engaged with the one plate-like body by sandwiching one of the plate-like bodies.

In order to achieve the above object, a spacer structure according to a fifth aspect of the present invention is the spacer structure according to the first, second, third, or fourth aspect. The body is a printed circuit board.

With this configuration, in a two-tiered printed circuit board, one fixing member, for example, one mounting screw is used.
In other words, the workability including the work of screwing the mounting screws can be improved.

[0020]

Embodiments of the present invention will be described below with reference to the drawings.

(Embodiment 1) FIGS. 1 to 6 show a spacer structure (Embodiment 1) according to the present invention. FIG. 1 is a perspective view of a spacer in a spacer structure (Embodiment 1) according to the present invention, FIG. 2 is a side view of the spacer, FIG. 3 is an explanatory view of a configuration of a holding portion in the spacer, and FIG. FIG. 5 is a perspective view of a two-stage printed circuit board assembly assembled using the spacer structure, FIG. 5 is a side view of the printed circuit board assembly, and FIGS. 6 (1) to (5) show the spacer structure according to the present invention. FIG. 4 is an explanatory view of an assembling procedure of a two-stage printed circuit board assembly used.

The spacer A in the spacer structure according to the present invention includes a spacer main body 1 having a round shaft shape, and a flange 2 as one holding portion is formed at a base end 1a of the spacer main body 1. In addition, the distal end portion 1b of the spacer body 1 includes an end surface portion 3 having a semicircular shape, a receiving surface portion 4 having a semicircular shape one step lower than the end surface portion 3, and an end surface portion 3 and a receiving surface portion 4. A groove portion 5 which is intermediate and extends in the diameter direction;
A screw hole 6 located at the center of the groove 5 is formed. The screw hole 6 is located at the center of the distal end portion 1b of the spacer body 1 and straddles a step portion 1c described later.
The screw hole 6 extends to the end face 3 and the receiving face 4. Also,
The end surface 3 and the receiving surface 4 form a step 1c, and the step 1c has a vertical wall 1d.

In the middle part of the spacer body 1, two holding parts 7 are provided near the flange part 2 as the other holding part.
It is projected out of phase by 80 degrees. These holding parts 7
2 and 3, the upper surface (one surface portion) 7a is horizontal, the lower surface (the other surface portion) 7b is inclined downward and leftward, and the left end surface (side surface portion) 7c of the holding portion 7 Has a cut 8 formed therein.

A portion above the horizontal line A passing through the cut portion 8 of the holding portion 7 is a fixed portion 9.
The portion below the horizontal line A is the movable portion 10. The fixed part 9 is continuous with the spacer body 1, and the movable part 10 is separated from the spacer body 1.

The reason why the movable portion 10 is provided in the holding portion 7 is that the printed board (PWB) 20 is sandwiched between the holding portion 7 and the flange portion 2 due to the difference in the thickness of the printed board 20. This is to make it easier to insert and to increase the pinching force. The printed circuit board 20 has a thickness of 1.2 cm.
, 1.6 cm, etc., the a dimension of the holding portion 7 is set to 1.6 cm, and the
m can be dealt with.

The printed circuit board 20, that is, the one printed circuit board 20, which is a plate-like body, has mounting insertion holes 21 at positions corresponding to four corners as shown in FIG. 6 (1). . These mounting insertion holes 21 are a holding hole insertion hole which is a circular hole portion 22 and two rectangular hole-shaped sandwiching portion insertion holes formed by shifting the phase of the periphery of the hole 22 by 180 degrees. And a unit 23.

The other printed circuit board (PWB) 30, which is the other plate-like body, has a quadrangular shape, and has first to fourth corner portions 30A to 30D as shown in FIG. .
On the left side edge portion 30a of the printed circuit board 30, semicircular screw insertion portions 31, 32 are formed near the first corner portion 30A and near the second corner portion 30B, respectively. Semicircular screw insertion portions 33 and 34 are formed on the right side edge portion 30b of the substrate 30 near the third corner portion 30C and near the fourth corner portion 30D, respectively.

The flange portion 2 provided at the base end portion 1a of the spacer body 1 and the two pressing portions 7 provided at an intermediate portion of the spacer body 1 and holding one of the printed circuit boards 20 together with the flange portion 2 are provided. A stopper means is provided, and an end surface portion 3 and a receiving surface portion 4 which is one step lower than the end surface portion 3 are provided at a distal end portion 1b of the spacer body 1, and the spacer body 1
Step 1c formed by the end face 3 and the receiving face 4 at the tip 1b
The positioning / fixing means is formed by providing a screw hole 6 straddling.

Next, a procedure for assembling one printed circuit board 20 to another printed circuit board (PWB) 30 using the spacer structure A configured as described above will be described.

As shown in FIG. 6A, a spacer A is inserted from below into the mounting insertion hole 21 of one printed circuit board 20, and the holding portion 7 of the spacer A is inserted into two holding portion insertion holes 23. And the printed circuit board 20 is positioned between the holding portion 7 and the flange portion 2.

Next, the groove 5 of the tip 1b of the spacer A
Then, as shown in (3) of FIG. 6, the tip of a flathead screwdriver-T is inserted, and by rotating the flathead screwdriver-T, the spacer A is rotated to print on the holding portion 7 and the flange portion 2. The substrate 20 is sandwiched.

In this case, the dimension a of the holding portion 7 is 1.6 cm.
When the thickness of one of the printed circuit boards 20 is 1.6 cm, the spacer A is pressed when the spacer A is rotated. The movable portion 10 of the portion 7 bends toward the cut portion 8, and the holding portion 7 and the flange portion 2 sandwich one printed circuit board 20. That is, one printed circuit board 20 of the spacer A
Do a lock to

In this manner, the four spacers A are mounted in the respective mounting holes 21 of one printed circuit board 20. In this case, the two spacers A on the left face the receiving surface 4 at the distal end thereof to the right, and the two spacers A on the right face the receiving surface 4 at the distal end to the left. That is, the positioning of the other printed circuit board 30 is determined.

Next, the left side edge 30a and the right side edge 30b are hooked on these receiving surfaces 4 on the leading end 1b side of the four spacers A, and the other printed circuit board 30 is mounted thereon. The left side edge 30a of the printed circuit board 30 abuts on the vertical wall 1d of the step 1c of the tip 1b of the two left spacers A, and the screw insertion portions 31, 32 of the left side edge 30a are The right side edge 30b of the other printed circuit board 30 is aligned with the screw hole 6 at the tip of the two spacers A on the left, and the step 1 of the tip 1b of the two spacers A on the right.
c, the screw insertion portions 33, 34 of the right side edge portion 30b are aligned with the screw holes 6 of the distal end portions 1b of the two right spacers A. In this case, the end surfaces 3 of the tips of the four spacers A and the upper surface of the other printed circuit board 30 are at the same height, are located on the same plane, and have screw holes 6 formed in the end surfaces 3. A part (semicircular shape) and the screw insertion portions 31, 32, 33, 34 are combined to form a circular hole communicating with the screw hole 6.

Next, mounting screws 35 as fixing members are inserted into these four holes, and these mounting screws 35 are screwed into the screw holes 6 and tightened, so that the other printed circuit board 30 is spacered. The printed circuit board 30 is fixed to the front end portion 1b of A, and the other printed circuit board 30 is assembled to one printed circuit board 20 via four spacers A.

(Embodiment 2) FIGS. 7 to 10 show a spacer structure (Embodiment 2) according to the present invention.

In this spacer structure (Embodiment 2), instead of the holding portion 7 having the cut portion 8 provided in the spacer A of Embodiment 1 described above, there is no cut portion 8 and the movable portion It has a presser part 7-1 without 10
Further, the groove 5 is not provided at the tip 1b of the spacer A. Since other configurations are the same as those of the spacer A of the first embodiment, the same reference numerals are given and the description is omitted.

In this case, as shown in FIG. 10A, a spacer A is inserted from below into the mounting insertion hole 21 of one of the printed circuit boards 20, and the holding portion 7-1 of the spacer A is formed into a circular hole. The printed circuit board 20 is positioned between the holding portions 7-1 and the flange portion 2 by passing through the two holding portion insertion holes 23 connected to the holding portion 22. Next, as shown in FIG. Then, the printed circuit board 20 is sandwiched between the holding portion 7-1 and the flange portion 2 by rotating the spacer A.

In this manner, the four spacers A are mounted in the respective mounting holes 21 of one printed circuit board 20. In this case, the two spacers A on the left face the receiving surface 4 of the distal end portion 1b to the right, and the two spacers A on the right are
The receiving surface 4 of the tip 1b is turned to the left.

Next, as shown in FIG. 10 (4), the left side edge 30a and the right side edge 30b are hooked on these receiving surfaces 4 on the front end portions 1b of the four spacers A, respectively. Of the other printed circuit board 3
No. 0 left edge 30a abuts on the vertical wall 1d of the step 1c of the tip 1b of the two left spacers A, and the screw insertion portions 31, 32 of the left edge 30a are The right side edge 30b of the other printed circuit board 30 is aligned with the vertical wall 1d of the step 1c of the tip 1b of the right two spacers A by matching the screw holes 6 at the tips of the two spacers A. Abut,
The screw insertion portions 33 and 34 of the right side edge portion 30b are aligned with the screw holes 6 of the tip portions 1b of the two right spacers A.
In this case, the end surfaces 3 of the tips of the four spacers A and the upper surface of the other printed circuit board 30 are at the same height, are located on the same plane, and have screw holes 6 formed in the end surfaces 3. A part (semicircular shape) and the screw insertion portions 31, 32, 33, 34 are combined to form a circular hole communicating with the screw hole 6.

Next, as shown in FIG. 10 (5), mounting screws 35 as fixing members are inserted into these four holes, and these mounting screws 35 are screwed into the screw holes 6 and tightened. As a result, the other printed circuit board 30 is
And the other printed circuit board 30 is assembled to one printed circuit board 20 via four spacers A.

According to the first and second embodiments, the spacer A is inserted from the outside into the mounting insertion hole 21 of the one printed circuit board 20, and the holding portion 7 (7-
1) is passed through the holding portion insertion hole 23, one printed circuit board 20 is positioned between the holding portion 7 (7-1) and the flange portion 2, and the spacer A is rotated to hold the holding portion. 7
(7-1) and one of the printed circuit boards 20 by the flange portion 2
, The spacer A is detachably engaged with the one printed circuit board 20 to lock the spacer A to the one printed circuit board 20 and the direction of the receiving surface 4 of the distal end portion 1b of the spacer 20. Is determined, that is, the positioning is determined, and these receiving surface portions 4 are provided on the distal end portion 1b side of the spacer A.
Then, the edges 30a and 30b of the other printed circuit board 30 are hooked, and the edges 30a and 30b of the other printed circuit board 30 are connected to the step 1c of the tip 1b of the spacer A.
The other printed circuit board 30 is fixed to the distal end portion 1b of the spacer A by screwing the mounting screw 35 into the screw hole 6 and tightening. And the other printed circuit board 30 can be assembled.

As described above, the locking of the spacer A to one of the printed circuit boards 20 and the determination of the direction of the receiving surface 4 of the distal end portion 1b of the spacer A, that is, the determination of the positioning, are performed. While positioning,
The mounting screw 35 used for assembling becomes one point so that the mounting screw 35 is screwed into the screw hole 6 and the other printed circuit board 30 is fixed to the spacer A. Performance can be improved.

Although the mounting screws 35 are used as the fixing members according to the first and second embodiments, a mounting pin or the like may be used. In this case, the screw hole 6 becomes a pin press-fitting hole.

[0045]

As described above, according to the spacer structure according to the first aspect of the present invention, the spacer is removably locked to one of the plate-like members by the locking means, so that one of the spacers is formed. Locking to the plate-like body and determination of positioning are performed, and the other plate-like body is positioned and fixed to the tip of the spacer by the positioning / fixing means, and the other plate-like body is fixed to the other plate-like body via the spacer. A plate can be assembled.

As described above, the locking of the spacer to one plate-like body and the determination of the positioning are performed, the positioning of the other plate-like body is performed, and the other member is fixed to the spacer by the fixing member (for example, mounting screw). A single fixing member is used for assembling the plate-like body, and workability including fixing work of this fixing member (for example, screwing of mounting screws) can be improved.

According to the spacer structure of the second aspect of the present invention, the spacer is inserted into the mounting insertion hole of one of the plate-like members from the outside, and the holding portion of the spacer is inserted into the holding portion insertion hole. After passing through, one plate-like body is positioned between these holding parts and the flange part, the spacer is appropriately rotated, and one plate-like body is sandwiched between the holding part and the flange part. By locking the spacer to one of the plate-like bodies so as to be detachable, the spacer is locked to one of the plate-like bodies and the directionality of the receiving surface at the tip of the spacer, that is, the positioning is determined. The edge of the other plate is hooked on the receiving surface of the tip, the edge of the other plate is abutted against the step of the tip of the spacer, and the mounting screw is screwed into the screw hole. Screw the other plate to the end of the spacer. Fixed to the part, via a spacer to one of the plate can be assembled with other plate-like body.

As described above, the locking of the spacer to the one plate-like body, the determination of the directionality of the receiving surface at the tip of the spacer,
That is, the positioning screw is determined, the other plate-shaped body is positioned, and the mounting screw is screwed into the screw hole so that the other plate-shaped body is fixed to the spacer. This is one point, and the workability including the work of screwing in this mounting screw can be improved.

According to the spacer structure of the third aspect of the present invention, not only can the same effect as that of the first aspect of the invention be achieved, but also a notch is formed in the side surface, and this notch is formed. By making the part on the one surface part side a fixed part, and making the part on the other surface part side from the cut part a movable part, for example, the dimension of the side part of the holding part is 1.6c.
m, and it is possible to cope with a plate thickness of 1.2 cm at the cut portion. For this reason, when the plate thickness of one of the plate members is 1.6 cm, when the spacer is rotated, the movable portion of the pressing portion bends toward the notch portion so that one of the pressing portion and the flange portion is formed. A plate can be sandwiched.

According to the spacer structure of the fourth aspect of the present invention, not only can the same operation and effect as those of the first aspect of the invention be achieved, but also the rotary tool can be inserted into the groove for inserting the rotary tool. By rotating the spacer, the one plate-like body is sandwiched between the holding portion and the flange portion, and the spacer can be detachably engaged with the one plate-like body.

According to the spacer structure of the fifth aspect of the present invention, the fixing member to be used, for example, the mounting screw becomes one point in the two-stage weight of the printed circuit board. Performance can be improved.

[Brief description of the drawings]

FIG. 1 is a perspective view of a spacer in a spacer structure (Embodiment 1) according to the present invention.

FIG. 2 is a side view of the spacer.

FIG. 3 is an explanatory diagram of a configuration of a holding portion in the spacer.

FIG. 4 is a perspective view of a two-stage printed circuit board assembly assembled using the spacer structure according to the present invention.

FIG. 5 is a side view of the printed circuit board assembly.

FIGS. 6 (1) to (5) are explanatory views of a procedure for assembling a two-stage printed circuit board assembly using the spacer structure according to the present invention.

FIG. 7 is a perspective view of a spacer in a spacer structure (Embodiment 2) according to the present invention.

FIG. 8 is a side view of the spacer.

FIG. 9 is a front view of the spacer.

FIGS. 10 (1) to (5) are explanatory diagrams of an assembling procedure of a two-stage printed circuit board assembly using the spacer structure according to the present invention. (6) is an explanatory view of a state in which the printed circuit board is sandwiched between the holding portion and the flange portion.

FIG. 11 is a partially omitted front view of a two-stage printed circuit board assembly assembled using a conventional spacer structure.

FIG. 12 is a partially omitted front view of a two-stage printed circuit board assembly assembled using another conventional spacer structure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Spacer main body 2 Flange part 3 End surface part 4 Receiving surface part 6 Screw hole 20 One printed circuit board (one plate-shaped body) 21 Mounting insertion hole 23 Holding part insertion hole part (clamp part insertion hole part) 30 The other printed circuit board ( 35) Mounting screw A Spacer

Claims (5)

[Claims] 1. A spacer structure in which a spacer is interposed between one and the other plate members to maintain a space between the one and the other plate members, wherein the spacer is provided on the one plate member. Locking means which is inserted into the mounting insertion hole to lock the base end of the spacer detachably with the one plate-shaped body; And a positioning and fixing means for fixing the other plate-shaped body to the tip of the spacer. 2. The one plate-like body together with one of the holding portions provided at a base end of the spacer main body and the one of the holding portions provided at an intermediate portion of the spacer main body. And the positioning / fixing means is provided at the tip of the spacer main body with an end face and a receiving surface portion one step lower than the end face, and the tip of the spacer main body. A screw hole that straddles a step formed by the end face portion and the receiving surface portion and overlaps a screw insertion portion formed on an edge portion of the other plate-shaped body, wherein the mounting insertion hole is formed. The one plate-like body is provided with a hole portion for inserting the spacer body of the spacer and a holding portion insertion hole portion formed in a peripheral portion of the hole portion for inserting the other holding portion. Item 2. The spacer structure according to Item 1. 3. The other holding portion includes one surface portion, the other surface portion facing and inclined to the one surface portion, an end portion of the one surface portion, and an inclined side end portion of the other surface portion. And a notch formed in this side,
A portion on the one surface side from the cut portion is a fixed portion,
The spacer structure according to claim 2, wherein a portion on the other surface side of the cut portion is a movable portion. 4. The positioning / fixing means is provided with an end face at a tip end of the spacer body and a receiving surface part one step lower than the end face, and the end face part and the end face at the tip end of the spacer body. A groove portion for inserting a rotary tool is provided between the receiving surface portion and the screw hole which straddles a step formed by the end surface portion and the receiving surface portion and in which the screw insertion portion of the other plate-like body overlaps. The spacer structure according to claim 2, which is configured. 5. The spacer structure according to claim 1, wherein the plate is a printed circuit board.