JP4040350B2 - Anti-theft aid - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an antitheft aid used when connecting an antitheft device to an article such as a personal computer (hereinafter abbreviated as a personal computer) displayed on a display shelf, for example.
[0002]
[Prior art]
In general, personal computers, especially notebook-type personal computers, can be easily carried, so when they are displayed on a display shelf, etc., the personal computer is connected to the legs of the display shelf using an anti-theft device. It prevents theft. A conventional anti-theft device includes a lock having two or one straight restraining pins and a T-shaped or L-shaped locking pin as described in, for example, Japanese Patent No. 2650147 or Japanese Patent No. 3108915 And a wire having one end connected to the lock. And when connecting a personal computer to a display shelf using this anti-theft device, a lock pin and a lock pin of a lock lock are inserted into a long hole provided in the personal computer. Thereafter, the lock pin is rotated by approximately 90 °. Then, the tip of the lock pin cannot be removed from the long hole, and the lock lock is connected to the personal computer so that it cannot be removed. On the other hand, the other end of the wire connected to the lock is connected to a column or the like constituting the display shelf. As a result, the personal computer is connected to the display shelf and theft is prevented.
[0003]
The conventional antitheft device cannot be used unless a long hole into which the positioning pin and the lock pin are inserted is formed in the personal computer. Normally, such a long hole is formed in advance in a notebook personal computer, but it is not provided in a desktop personal computer. For this reason, a conventional antitheft device could not be used for a desktop personal computer.
[0004]
Japanese Patent Application Laid-Open No. 10-225346 discloses that an antitheft device is attached to a personal computer and the antitheft device is connected to the personal computer via the auxiliary device. The anti-theft auxiliary tool is designed to be attached to a personal computer using a screw hole formed in the personal computer. The main body has a bolt insertion hole penetrating the main body with the screw hole and the axis line aligned. A through hole penetrating the main body is formed so as to intersect with the bolt insertion hole. The bolt insertion hole is configured such that a bolt is inserted from one end side thereof, and a bolt seat is formed on the other end side from the through hole. After inserting the bolt into the bolt insertion hole until the head of the bolt hits the bolt seat, the bolt is screwed into the screw hole with a screwdriver such as a screwdriver inserted from one end of the bolt insertion hole and tightened. , Auxiliary body is fixed to the computer. On the other hand, an anti-theft wire that is a part of the anti-theft device is inserted through the through hole. One end of the wire is connected to a padlock, and the other end is connected to a column of a display shelf. As a result, the personal computer is connected to the display shelf via the anti-theft device and the anti-theft assisting tool, thereby preventing theft. Moreover, since an anti-theft wire is interposed between one end of the bolt insertion hole and the bolt, even if a screwdriver tool is inserted through the bolt insertion hole, the screwdriver tool can reach the bolt even if the antitheft wire gets in the way. Can't reach. Accordingly, the bolt cannot be loosened and the antitheft aid cannot be removed from the personal computer.
[0005]
[Problems to be solved by the invention]
In the above conventional antitheft auxiliary tool, since the through hole crosses the middle part of the bolt insertion hole for inserting the bolt, it is difficult to insert the bolt from the one end opening of the bolt insertion hole to the bolt seat. There was a problem of being.
[0006]
[Means for Solving the Problems]
The present invention has been made to solve the above-described problem, and is fixed to an article by a male screw member having a leg portion screwed into a screw hole formed in the article, and an antitheft device is connected to the article. An anti-theft auxiliary tool for use with an auxiliary tool body having one end opened therein and a lateral hole extending from the opening to the other end, and one side wall portion facing the lateral hole from the opening to the lateral hole A positioning plate having a lid portion that is provided along the support plate portion and a lid portion that is provided at a rear end portion of the support plate portion and closes the opening when the support plate portion is inserted to a predetermined closed position; And the one side wall portion of the auxiliary tool body and the support plate portion of the positioning member are opposed to each other when the support plate portion is inserted into the predetermined closed position, and the leg portion of the male screw member is inserted therethrough. First and second screw insertion holes are formed respectively A screwdriver insertion hole is formed in the other side wall portion facing the one side wall portion and the lateral hole of the auxiliary tool body to face the first screw insertion hole. At least one of the positioning members is provided with a connecting portion for connecting the antitheft device.
In this case, the screwdriver insertion hole may be formed as a long hole so that it can also be used as the connecting portion.
In addition, a through hole used as the connecting portion is formed in each of the two wall portions facing the horizontal hole, and an anti-theft wire forming a part of the anti-theft device passes through the horizontal hole from one through hole. The two through holes may be arranged such that the antitheft wire in the lateral hole is positioned between the screw insertion hole and the screwdriver insertion hole when inserted into the other through hole. Good.
It is desirable that a contact surface that abuts against the positioning member when the support plate portion is inserted to the closed position is formed on the auxiliary tool body.
It is desirable that the auxiliary tool main body is formed with an engaging portion that prevents rotation of the auxiliary tool main body around the male screw member by engaging with a locking portion provided on the article. .
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to FIGS.
1 to 5 show an embodiment of an antitheft aid according to the present invention. As shown in FIG. 5, the anti-theft auxiliary tool 1 of this embodiment connects a desktop PC (article) P displayed on the display shelf S to the leg S 1 of the display shelf S by the anti-theft device D. This is used to prevent theft. That is, an RS232C type connector P1 is provided on the back surface of the personal computer P. The connector P1 includes a connecting portion (locking portion) P2 that protrudes from the back surface of the personal computer P, and a pair of female screw members P3 (one of the connecting portions P2) arranged slightly apart from both longitudinal ends of the connecting portion P2. Only the female screw member P3 is shown). The female screw member P3 is formed with a screw hole P4 (see FIG. 4) whose axis is directed in a direction perpendicular to the back surface. And the antitheft assistance tool 1 which concerns on this invention is attached using the connection part P2 and one internal thread member P3. An anti-theft device D is connected to the anti-theft tool 1, and the personal computer P is connected to the leg S 1 of the display shelf S by the anti-theft device D.
[0008]
As shown in FIGS. 1 to 4, the anti-theft auxiliary tool 1 includes an auxiliary tool body 2 and a positioning member 3.
The auxiliary tool body 2 has a substantially rectangular parallelepiped shape, and a lateral hole 21 having a square cross section is formed therein. The lateral hole 21 is open at one end of the auxiliary tool body 2 and extends from the opening toward the other end of the auxiliary tool body 2. A screw insertion hole (first screw insertion hole) 23 penetrating the lower wall portion 22 is orthogonal to the direction in which the horizontal hole 1 extends on the back side of the lower wall portion (one side wall portion) 22 facing the horizontal hole 21. It is formed in the state made to do. The inner diameter of the screw insertion hole 23 is set so that the leg B1 of the bolt (male screw member) B screwed into the screw hole P4 can be inserted, but the head B2 cannot be inserted. Has been. The upper wall part (other side wall part) 24 facing the lateral hole 21 is formed with a long hole (screwdriver insertion hole) 25 penetrating therethrough. The long hole 25 is disposed so that a part of the long hole 25 faces the screw insertion hole 23, and the screw insertion hole is inserted by a screwdriver such as a screwdriver inserted from the long hole 25 into the lateral hole 21. The bolt B inserted through 23 can be rotated. However, the width of the long hole 25 is narrower than the outer diameter of the head B2 of the bolt B. Therefore, the bolt B cannot be inserted into the lateral hole 21 from the long hole 25. The long hole 25 is formed such that its longitudinal direction coincides with the direction in which the lateral hole 21 extends, but the longitudinal direction may be formed in a direction orthogonal to the direction in which the lateral hole 21 extends. Further, as shown in FIG. 3, the long hole 25 is arranged so that one end portion located on the back side of the lateral hole 21 faces the screw insertion hole 23, but the opposite end portion or intermediate portion is You may arrange | position so that the screw penetration hole 23 may be opposed.
[0009]
An engagement recess (engagement portion) 26 is formed on the lower surface of the auxiliary tool body 2. The engaging recess 26 is open on the same side as the opening of the lateral hole 21. The depth of the engaging recess 26 is set to be substantially the same as the height of the connecting portion P2 and the female screw member P3. The width of the engaging recess 26 is substantially the same as the width of the connecting portion P2. Therefore, as shown in FIGS. 1 and 2, one end of the connecting portion P2 and one female screw member P3 adjacent thereto can be inserted into the engaging recess 26, and the connecting portion P2 and one female screw member are inserted. P3 is inserted into the engagement recess 26 in a state where the female screw member P3 is in contact with the side surface 26a on the back side of the engagement recess 26. In this inserted state, the axis of the screw insertion hole 23 and the axis of the screw hole P4 of the female screw member P3 coincide. Therefore, in a state where the female screw member P3 is in contact with the side surface 26a, the leg B1 of the bolt B can be inserted into the screw insertion hole 23 from the side hole 21 and can be screwed into the screw hole P4 of the female screw member P3. . In addition, in a state where the connection portion P2 and one female screw member P3 are inserted into the engagement recess 26, both side surfaces P5 and P5 extending in the longitudinal direction of the connection portion P2 are both side surfaces of the engagement recess 26 (left and right in FIG. 4). (Both sides) 26b, 26b. Thereby, the rotation centering on the axis of the screw hole P4 of the auxiliary tool body 2 is prevented.
[0010]
The positioning member 3 includes a support plate portion 31 having a flat plate shape, and a lid portion 32 that stands up in a direction orthogonal to the rear end portion of the support plate portion 31.
As shown in FIG. 4, the support plate portion 31 has substantially the same width as the width of the horizontal hole 21 (the width in the left-right direction in FIG. 4), and the lower wall portion 22 extends from the opening of the horizontal hole 21. Can be inserted along. The support plate portion 31 can be inserted into the horizontal hole 21 until the front end surface 31a hits the back bottom surface (contact surface) 21a of the horizontal hole 21, and the positioning member 3 when the front end surface 31a hits the back bottom surface 21a. Is the closed position. The support plate portion 31 is formed with a screw insertion hole (second screw insertion hole) 33 penetrating vertically through the support plate portion 31. The screw insertion hole 33 has the same inner diameter as the screw insertion hole 23. Therefore, the leg B1 of the bolt B can be inserted into the screw insertion hole 33. Moreover, when the lower end portion of the leg B1 of the bolt B is inserted into the screw insertion hole 33, the screw insertion hole 33 can be stably held without tilting the bolt B. The length, in other words, the thickness of the support plate portion 31 is set. The screw insertion hole 33 is disposed so as to face the screw insertion hole 23 when the positioning member 3 is located at the closed position, and in particular in this embodiment, the screw insertion hole 23 and the axis are aligned.
[0011]
On the other hand, the lid portion 32 has substantially the same shape and size as the opening portion of the horizontal hole 21 and is disposed so as to fit into the opening portion of the horizontal hole 21 when the positioning member 3 is located at the closed position. ing. Therefore, when the positioning member 3 is positioned at the closed position, the opening of the lateral hole 21 is closed by the lid portion 32.
[0012]
An example of the case where the antitheft assisting tool 1 having the above configuration is attached to the personal computer P will be described. As shown in FIG. 1, the connecting portion P2 and the female screw member P3 of the RS232C connector P1 are inserted into the engaging recess 26, and the female screw member P3 is inserted. Is abutted against the inner side surface 26 a of the engaging recess 26. Next, the support plate portion 31 of the positioning member 3 is inserted into the lateral hole 21 from the opening. At this time, the lower end portion of the leg portion B1 of the bolt B is inserted into the bolt insertion hole 33 in advance. Therefore, when the support plate portion 31 is inserted into the lateral hole 21, the surface facing the lateral hole 21 of the lower wall portion 22 is slid with the bolt B held in the bolt insertion hole 33, and together with the support plate portion 31. It moves to the back side of the horizontal hole 21. When the front end surface 31a of the support plate portion 31 abuts the back bottom surface 21a of the lateral hole 21 and the positioning member 3 reaches the closed position, the lid portion 32 is fitted into the opening of the lateral hole 21 to close it. In addition, at this time, the axis of the bolt insertion hole 33 coincides with the axis of the bolt insertion hole 23. As a result, the leg portion B 1 of the bolt B that has been sliding on the lower wall portion 22 enters the bolt insertion hole 23. Thereafter, a screwdriver such as a screwdriver is inserted through the long hole 25, the bolt B is rotated, screwed into the screw hole P4, and tightened. Thereby, the antitheft tool 1 is fixed to the back surface of the personal computer P. Moreover, since the connecting portion P2 is fitted in the engaging recess 26, the auxiliary tool 1 is prevented from rotating around the bolt B. Therefore, the auxiliary tool B cannot be removed from the personal computer P unless the bolt B is loosened.
[0013]
Thus, in the anti-theft auxiliary tool 1 according to the present invention, the leg B1 of the bolt B can be inserted into the bolt insertion hole 33 of the support plate 31 before the support plate 31 is inserted into the lateral hole 21. Moreover, the leg B1 can be inserted into the screw insertion hole 23 only by inserting the support plate 31 to a predetermined closed position with the leg B1 inserted into the screw insertion hole 33. Therefore, the leg B1 of the bolt B can be easily inserted into the screw insertion holes 23 and 33. As a result, the leg B1 of the bolt B can be easily screwed into the screw hole P4.
[0014]
Next, the case where the personal computer P is connected to the leg portion S1 of the display shelf S using the anti-theft device D in order to prevent the personal computer P displayed on the display shelf S from being stolen will be described. The anti-theft device D is the same as the known device described in, for example, the above-mentioned Japanese Patent No. 2650147 or Japanese Patent No. 3108915. Therefore, in brief, the anti-theft device D includes a lock lock D1 connected to the personal computer P via the anti-theft assisting tool 1, one end portion connected to the lock lock D1, and a ring portion at the other end portion. And a wire portion D2 on which D3 is formed. The wire portion D2 is formed by winding the end portion where the ring portion D3 is formed around the leg portion S1 of the display shelf S, and then inserting the lock lock D1 and the wire portion D2 subsequent thereto into the ring portion D3. It is connected to S1. On the other hand, the lock lock D1 has a straight positioning pin D4 projecting from the front end surface thereof and an L-shaped lock pin D5. As shown in FIG. 2, the positioning pin D4 and the lock pin D5 are inserted into the long hole 25 with the distal end portion of the lock pin D5 facing the positioning pin D4. Thereafter, when the lock pin D5 is rotated 90 ° with the key K of the lock lock D1, the lower surface of the front end portion of the lock pin D5 facing the lateral hole 1 of the upper wall portion 24 of the auxiliary tool body 2 as shown in FIG. Engage with. As a result, the lock lock D1 is connected to the personal computer P via the auxiliary tool 1, and the personal computer P is connected to the leg S1 of the display shelf S via the anti-theft auxiliary tool 1 and the anti-theft device D. Therefore, the theft of the personal computer P is prevented. In this state, since the long hole 25 is blocked by the lock D1, particularly by the positioning pin D4 and the lock pin D5, a screwdriver such as a screwdriver cannot be inserted into the long hole 25. Therefore, the auxiliary tool 1 is not removed from the personal computer P.
[0015]
6 and 7 show another embodiment of the present invention. The anti-theft auxiliary tool 1 ′ of the embodiments shown in these drawings is connected to the anti-theft device described in, for example, the above-mentioned JP-A-10-225346 instead of the anti-theft device D. ing. Therefore, in this embodiment, it is not necessary to form the long hole 25 for connecting the lock lock D1, and instead of the long hole 25, a circular screw insertion hole 25 'is formed. The screwdriver insertion hole 25 ′ has an inner diameter that is as small as possible within a range in which a screwdriver such as a screwdriver for rotating the bolt B can be inserted. Therefore, the head B2 of the bolt B cannot be inserted into the screwdriver insertion hole 25 '. In addition, through holes 27 a and 28 a are formed in two side walls (two wall portions facing the lateral hole 21) 27 and 28 provided between the lower wall portion 22 and the upper wall portion 24 of the auxiliary tool body 2. Has been. The anti-theft wire W of the anti-theft device is inserted into the through holes 27a and 28a and the lateral hole 21. One end of the wire W is connected to the leg S1 of the display shelf S of the personal computer P, and a padlock is connected to the other end. This prevents the personal computer P from being stolen.
[0016]
The through holes 27a and 28a are disposed at the same positions as the screw insertion holes 23 and 33 in the direction in which the lateral hole 21 extends, and are higher than the head B2 of the bolt B in the axial direction of the screw insertion holes 23 and 33. It arrange | positions so that it may be located in 24 side. Therefore, in a state where the anti-theft wire W is inserted into the through holes 27a and 28a, the anti-theft wire W is interposed between the screwdriver insertion hole 25 'and the head B2 of the bolt B. For this reason, even if a screwdriver such as a screwdriver is inserted through the screwdriver insertion hole 25 ', the anti-theft wire W becomes an obstacle and the bolt B cannot be loosened. Therefore, after the anti-theft wire W of the anti-theft device is inserted into the through holes 27a and 28a, the anti-theft auxiliary tool 1 'cannot be removed from the personal computer P.
Since the other configuration is the same as that of the auxiliary tool 1, the same parts are denoted by the same reference numerals and the description thereof is omitted.
[0017]
In addition, this invention is not limited to said embodiment, It can change suitably.
For example, in the above embodiment, the screw hole P4 of the RS232C type connector P is used, but the screw hole of another connector or other screw holes not related to the connector is used to prevent theft. The tools 1, 1 'may be fixed to the personal computer P or other articles.
Further, in the anti-theft assisting tool 1 ′ described later, through holes 27 a and 28 a for inserting the anti-theft wire W are formed in the two side walls 27 and 28 of the assisting tool body 2. A through-hole for inserting the anti-theft wire W may be formed in the side wall (wall portion facing the lateral hole 21) 29 and the lid portion (wall portion facing the lateral hole 21) 32 having the same. In that case, each through hole has a screw insertion hole 23 in the left and right direction in FIG. 4 in order to interpose the antitheft wire W inserted through each through hole between the bolt B and the screw insertion hole 25 ′. It is desirable that the screw insertion holes 23 and 33 are arranged at substantially the same position as the through holes 27a and 28a.
[0018]
【The invention's effect】
As described above, according to the present invention, the leg portion of the bolt for fixing the antitheft aid can be easily inserted into the bolt insertion hole, and the bolt can be easily screwed into the screw hole. The effect of being able to be obtained.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view showing an embodiment of an anti-theft auxiliary tool according to the present invention in a state where a positioning member is slightly inserted into a lateral hole of an auxiliary tool body.
FIG. 2 is a cross-sectional view showing the same embodiment in a state in which the positioning member is inserted into the side hole of the auxiliary tool body to the closed position.
FIG. 3 is a view on arrow Y of FIG.
4 is a cross-sectional view taken along line XX of FIG.
5 is a back view of a personal computer to which the anti-theft auxiliary tool shown in FIGS. 1 to 4 is attached; a part of a display shelf on which the personal computer is displayed; and an anti-theft device for connecting the personal computer to a leg of the display shelf. FIG.
FIG. 6 is a view similar to FIG. 3 showing another embodiment of the antitheft aid according to the present invention.
7 is a cross-sectional view taken along line XX of FIG.
[Explanation of symbols]
B Bolt (Male thread member)
D Anti-theft device W Anti-theft wire P PC (article)
P2 connection part (locking part)
P3 Screw member P4 Screw hole 1 Anti-theft assisting tool 1 'Anti-theft assisting tool 2 Auxiliary tool main body 3 Positioning member 21 Horizontal hole 21a Back bottom (contact surface)
22 Lower wall (one side wall)
23 Screw insertion hole (first screw insertion hole)
24 Upper wall (other side wall)
25 Long hole (screwdriver insertion hole)
25 'Screwdriver insertion hole 26 Engagement recess (engagement part)
27 Side wall (wall facing the side hole)
28 Side wall (wall facing the side hole)
29 Side wall (wall facing the side hole)
31 Support plate part 32 Lid part (wall part facing a horizontal hole)
33 Screw insertion hole (second screw insertion hole)

Claims (5)

In the anti-theft assisting tool for fixing the anti-theft device to the article, which is fixed to the article by a male screw member whose legs are screwed into the screw holes formed in the article,
One side of the auxiliary tool main body with one end opened inside and a lateral hole extending from the opening to the other end side;
A support plate inserted into the horizontal hole along one side wall facing the horizontal hole from the opening and a rear end portion of the support plate, and the support plate is inserted to a predetermined closed position. And a positioning member having a lid part for closing the opening part,
The one side wall portion of the auxiliary tool body and the support plate portion of the positioning member face each other when the support plate portion is inserted into the predetermined closed position, and the leg portion of the male screw member is inserted therethrough. First and second screw insertion holes are respectively formed,
On the other side wall portion facing the one side wall portion and the lateral hole of the auxiliary tool body, a screwdriver insertion hole facing the first screw insertion hole is formed,
A theft prevention assisting tool, wherein at least one of the assisting tool body and the positioning member is provided with a connecting portion for connecting the antitheft device. The antitheft tool according to claim 1, wherein the screwdriver insertion hole is formed as a long hole so that it can also be used as the connecting portion. A through hole used as the connecting portion is formed in each of the two wall portions facing the horizontal hole, and an anti-theft wire forming a part of the anti-theft device passes through the horizontal hole from one through hole. The two through holes are arranged so that the antitheft wire in the lateral hole is positioned between the screw insertion hole and the screwdriver insertion hole when inserted into the other through hole. The antitheft tool according to claim 1. The contact surface which contacts the said positioning member when the said support plate part is inserted to the said closed position is formed in the said auxiliary tool main body, The Claim 1 characterized by the above-mentioned. Anti-theft aid. The auxiliary tool main body is formed with an engaging portion that prevents rotation of the auxiliary tool main body around the male screw member by engaging with a locking portion provided in the article. The antitheft tool according to any one of claims 1 to 4.

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