JP3097862U - Drawer truck positioning structure - Google Patents

Abstract

When a middle track is pulled to a predetermined operation position, a pressing member locks a protruding piece of an outer track into the inside by a stopper / locking hole, so that the middle track can be arbitrarily moved inside during the operation. The present invention provides a positioning structure for a drawer track which can be prevented from sliding.
The track includes an outer track, a middle track, an inner track, and an elastic body. A middle track and an inner track are fitted to the outer track in order. The elastic body is fixed to the middle track by an elastic locking rod and extends forward from both sides of the elastic body to form two arms, and the arms are bent downward to form two stoppers Is done. When the middle track is pulled to the intended operating position, the stopper penetrates the two slots of the middle track and locks the two projecting pieces of the outer track so that the middle track slides inward. Is configured to be able to be prevented.
[Selection diagram] Fig. 1

Description

[0001]
[Technical field to which the invention belongs]
The present invention relates to a drawer truck positioning structure. In particular, the middle track is locked to a protruding piece of an outer track by using a stopper / locking hole of an elastic body so that the middle track can be operated in the process of operation. The present invention relates to a drawer track positioning structure capable of avoiding sliding inside.
[0002]
[Prior art]
Conventionally, this type is as follows.
[0003]
The track positioning structure of the conventional three-stage drawer mainly includes an outer track 10, a middle track 20, and an inner track 30, as shown in FIG. The sliding assist member 40 is provided between the middle track 20 and the inner track 30, so that the sliding of the inner track 30 is further smoothed. At the same time, for example, the locking member 301 and the stopper 201 are also provided on the inner track 30 and the middle track 20, so that the positioning performance of the inner track 30 by pulling can be provided. The locking member 301 is provided inside the inner track 30, and the locking member 301 is provided with a protrusion 302. The stopper 201 is located at the front end of the middle track 20, and the stopper 201 is provided with a locking member 202. When the inner track 30 fitted to the middle track 20 is pulled out by the user, the locking member 202 of the stopper 201 can properly lock the projection 302 of the locking member 301. In some cases, the inner track 30 can be prevented from leaving the middle track 20 to the outside.
[0004]
Also, as a conventional three-stage rail structure, when the three-stage rail is used by attaching to both sides of the drawer, the locking member provided on the second rail is provided on the first rail by pulling the drawer. The locking part of the second rail locking member abuts the locking part of the first rail locking member when the locking member can be overcome and the three-stage rail collides unconsciously. In some cases, it is possible to prevent the drawer from suddenly shrinking, thereby eliminating the problem of stuffing the user's finger (for example, see Patent Document 1).
[0005]
[Patent Document 1]
Japan Utility Model Registration No. 3089178 [0006]
[Problems to be solved by the invention]
The conventional three-stage drawer truck positioning structure as described above can provide the positioning effect by pulling the inner track 30, but the user can use the drawer keyboard or use the equipment inside the drawer. When the middle track 20 and the inner track 30 are to be pulled out for maintenance or the like, in the case of the above-mentioned drawer track, the middle track 20 effectively slides inward and outward relative to the outer track 10. Cannot be avoided. For this reason, the drawer truck has a problem that it is somewhat inconvenient in use. Therefore, it is necessary to further improve the conventional three-stage drawer track positioning structure as described above.
[0007]
Further, in the conventional three-stage rail structure as described above, the drawer can be prevented from suddenly retracting, but when the second rail and the third rail are pulled to the outside, the second Since the rail cannot effectively avoid sliding inward and outward relative to the first rail, there has been a problem that the use of the rail is somewhat inconvenient in use. Therefore, the structure of the conventional three-stage rail as described above must be further improved.
[0008]
The present invention has been devised in view of such a problem, and its purpose is to add an elastic body to the middle track, two arms are extended from the elastic body, and at the front end of the arm. When the middle track is pulled to a predetermined operation position by forming a stopper / locking hole, the elastic body can lock the projecting piece of the outer track into the inside by the stopper / locking hole. Therefore, it is an object of the present invention to provide a drawer truck positioning structure which can prevent the middle truck from arbitrarily sliding inside during the operation.
[0009]
The first object of the present invention is to add an elastic member to the middle track, and the stopper / locking hole of the elastic member can lock the projecting piece of the outer track inside, so that the middle track slides inside. An object of the present invention is to provide a drawer truck positioning structure capable of improving convenience in use of the truck because it is possible to avoid such a situation.
[0010]
A second object of the present invention is to form an outer protrusion at the end of the middle track, further form an inner protrusion at the open end of the outer track, and form the outer protrusion, the inner protrusion and a predetermined length. It is an object of the present invention to provide a drawer truck positioning structure that can improve the convenience of use of the truck because the middle truck can be prevented from sliding to the outside during operation by using the slide assist member. is there.
[0011]
[Means for Solving the Problems]
To achieve the above object, a drawer track positioning structure according to the present invention is as follows. That is,
It is composed of an outer track, a middle track, an inner track and an oppressing body. The outer track is provided with two projecting pieces. The middle track is fitted to the outer track. The middle track is provided with one fitting groove and two groove holes. The inner track is fitted to the middle track. The resilient body is provided with one locking rod and two arms, the locking rod is fixed to the insertion groove of the middle track, and the two arms are formed by extending forward from both sides of the resilient body. The arm has two locking portions, and when the middle track is pulled to a predetermined operation position, the locking portion penetrates the slot of the middle track to lock the projecting piece of the outer track. Can prevent the middle track from sliding inside.
[0012]
In the positioning structure of the drawer track according to the present invention, the locking portion is formed of two stoppers formed by bending vertically downward from the arm, and the stoppers and the protruding pieces of the outer track are inclined corresponding to each other. Surfaces can also be formed. Also, the arm may be bent downward to form a V-shape, and the locking portion may include two locking holes formed at the lowest point of the arm. Further, the locking rod may be provided with a bent portion bent downward, and the resilient body may be formed so as to be bent upward while being inclined upward relative to the middle track. Further, the locking rod may be provided with a bent portion bent upward, the locking rod may be bent in an inverted V-shape, and the resilient body may be tilted upward with respect to the middle track. It can also be formed as follows. Also, two other protruding ears are formed by bending the front end of the arm, and the protruding ears can abut the lip of the slot when the arm extends into the slot of the middle track. Further, the resilient body, the fitting groove, the slot, and the protruding piece can be formed by bending by punching. In addition, a plurality of holes formed by punching and a plurality of projecting points are formed in the engaging rod of the elastic body and the fitting groove of the middle track, and a gap between the locking rod and the fitting groove is formed by welding or adhesive. Can be increased in bonding strength. In addition, the installation of the fitting groove in the middle track is omitted, and the locking rod of the elastic body can be directly welded and fixed to the surface of the middle track. Also, two outer protrusions can be provided at the end of the middle track, and two inner protrusions are further provided at the open end of the outer track, and the middle track has been moved to a predetermined operation position. At this time, the outer protrusion can lock the slide assist member having an appropriate length between the middle track and the outer track and the inner protrusion, thereby limiting the middle track from sliding outside. .
[0013]
[Embodiment of the invention]
An embodiment of the present invention will be described below with reference to the drawings.
[0014]
FIG. 1 is an exploded perspective view of the drawer truck positioning structure according to the first embodiment of the present invention, and FIG. 2 is a perspective view of an assembled state of the drawer truck positioning structure according to the first embodiment of the present invention. FIG. 4 is a perspective view of the assembled state of the drawer truck according to the first embodiment of the present invention, which is assembled by pulling the middle truck to a predetermined operation position. FIG. 4 is a cross-sectional view taken along line AA of FIG. FIG. 5 is a sectional view showing a state in which the inner track and the middle track are pushed into the outer track by the drawer track positioning structure according to the first embodiment of the present invention.
[0015]
The members such as the outer track 10, the middle track 20, the inner track 30, and the slide assisting member 40 of the drawer truck positioning structure of the present invention are the same as the conventional three-stage drawer truck positioning structure (see FIG. 9). Since the members of the same portions adopt the same reference numerals, their structures and functions will not be described in detail again. At the same time, in the following description, the open end and the end of the outer track 10 are defined outside and inside the track, respectively, to further limit the relative relationship of each member.
[0016]
Embodiment 1
Referring to FIGS. 1 to 5, the drawer track positioning structure according to the first embodiment of the present invention includes an outer track 10, a middle track 20, an inner track 30, and an elastic body 50. A middle track 20 and an inner track 30 are fitted to the outer track 10 in order. The elastic body 50 is fixed to the middle track 20 by an elastic locking rod 51, and further extends forward from both sides of the elastic body 50 to form two arms 52. The arms 52 are bent downward. The two stoppers (locking portions) 521 thus formed are formed. When the middle track 20 is pulled to a predetermined operation position, the stopper 521 can penetrate the two slots 22 of the middle track 20 to lock the two projecting pieces 11 of the outer track 10, Since the middle truck 20 can be prevented from sliding inside, the convenience of using the truck in the present invention can be further enhanced.
[0017]
Referring again to FIG. 1 to FIG. 5, the detailed structure of the pressing body 50 according to the first embodiment of the present invention is shown. The elastic body 50 is made of a metal elastic material such as stainless steel or an alloy. The elastic body 50 mainly includes a locking rod 51 and two arms 52. The elastic body 50 can be fitted into the fitting groove 21 of the middle track 20 by the locking rod 51, and is fixed to the middle track 20. Further, preferably, a bent portion 511 is formed on the locking rod 51, so that the elastic body 50 is formed so as to be bent upward with a slant upward relative to the middle track 20. Thus, when the elastic body 50 is pressed downward by the internal thrust of the inner track 30, the elastic body 50 is restored to the original bent state by the elastic recovery ability of its own material itself (FIG. 4, 5). Further, the two arms 52 are formed to extend forward from both sides of the elastic body 50, and the two arms 52 are preferably provided with two stoppers (locking portions) which are preferably bent downward. 521 and two protruding ears 522 bent upward are formed. When the elastic body 50 is assembled to the middle track 20 and formed to be bent up, the two arms 52 can extend into the two slots 22 of the middle track 20, so that the stopper 521 is formed. The two protruding pieces 11 of the outer track 10 are formed so as to be locked inward, and the protruding ears 522 are formed so as to abut the lip of the slot 22 forward.
[0018]
In addition, the elastic body 50, the fitting groove 21, the slot 22, and the projecting piece 11 of the present invention are preferably formed by direct punching. The locking rod 51 of the elastic body 50 and the fitting groove 21 of the middle track 20 are, for example, a) a plurality of holes 512 formed by punching and a plurality of projecting points 211, b) welding, c) an adhesive or the like. By various methods, the coupling strength between the locking rod 51 and the fitting groove 21 can be further increased. Also, in the present invention, the fitting groove 21 can be omitted according to the demand in use, and the locking rod 51 of the elastic body 50 can be directly welded and fixed to the surface of the middle track 20.
[0019]
Referring again to FIGS. 4 and 5, an operation diagram of the drawer track positioning structure according to the first embodiment of the present invention is posted.
[0020]
Referring to FIG. 2, in the present invention, the outer track 10, the slide assist member 40 ′, the middle track 20, the slide assist member 40 and the inner track 30 are assembled according to the order. Is fixed so that it can be bent upward. In this manner, the arm 52 extends into the slot 22 and at the same time abuts against the lip of the slot 22 using the protruding ear 522, whereby the arm 52 is excessively bent downward when the middle track 20 moves. This can avoid rubbing the outer track 10.
[0021]
Referring again to FIGS. 3 and 4, when the user pulls the middle track 20 and the inner track 30 to move the middle track 20 to a predetermined operation position, the stopper 521 of the compression body 50 of the present invention becomes Over the right side of the projecting piece 11 and is locked to the left side of the projecting piece 11. Thereby, the stop 521 can provide a positioning function and limit the middle track 20 from shrinking into the outer track 10 inward, so that the user can use the keyboard of the drawer or use the inside of the drawer. For example, it is possible to improve the convenience of maintenance of the device. Further, in order that the stopper 521 can smoothly move over the protruding piece 11, it is preferable that the stoppers 521 and the protruding piece 11 are formed with inclined surfaces a and b corresponding to each other.
[0022]
Referring again to FIG. 5, when the user attempts to release the positioning by locking the middle track 20, the arm of the pressing body 50 is pressed by the inner track 30 to the inside and the two side plates 31 of the inner track 30. At the same time that the right side of the arm 52 is pressed downward, the left side of the arm 52 is raised upward, and the height of the stopper 521 is kept increasing until it can get over the projecting piece 11 of the outer track 10.
[0023]
Further, when the user pulls the middle track 20 and the inner track 30 again, the elastic body 50 of the present invention is restored to the state where it is bent up to a predetermined inclination by the elastic recovery ability again, so that the stopper member is again provided. By locking the protruding piece 11 of the outer track 10 by 521, the function of positioning the middle track 20 in one direction can be provided.
[0024]
Referring again to FIGS. 1 and 3, in the present invention, for example, two outer protrusions 23 can be formed outside the end of the middle track 20, and two outside protrusions can be formed inside the open end of the outer track 10. The number of the inner protrusions 12 can be provided, and the length of the slide assisting member 40 'can be appropriately adjusted. As described above, when the middle track 20 is pulled to the predetermined operation position, in the present invention, the outer protrusion 23 of the middle track 20 moves the slide assist member 40 ′ toward the outside and the inner protrusion 12 of the outer track 10. Being able to lock further restricts the middle track 20 from sliding outside during operation. When the resilient body 50, the outer protrusion 23 and the inner protrusion 12 are installed at the same time, the present invention can provide the function of bi-directional positioning of the middle track 20.
[0025]
Embodiment 2
FIG. 6 is an exploded perspective view of the drawer truck positioning structure according to the second embodiment of the present invention, and FIG. 7 is a state in which the middle truck is pulled to a predetermined operation position by the drawer truck positioning structure of the second embodiment of the present invention. FIG. 8 is a sectional view showing a state in which the inner track and the middle track are pushed into the outer track by the drawer track positioning structure according to the second embodiment of the present invention.
[0026]
Referring to FIGS. 6 to 8, the structure of the elastic body 60 according to the second embodiment of the present invention is shown. As shown in FIG. 6, the pressing body 60 has one locking rod 61, one bent portion 611, a plurality of holes 612, one through hole 613, two arms 62, and two locking holes ( Locking portion) 621 and two protruding ear portions 622 are included. As compared with the first embodiment, the elastic body 60 itself of the second embodiment is bent upward to form a bent portion 611, so that the locking rod 61 is formed in an inverted V-shape. Further, the elastic recovery ability is adjusted by using the through holes 613. The arm 621 is bent downward to form a V-shape. Further, a locking hole 621 is formed at the lowest point of the arm 62.
[0027]
Referring again to FIG. 7, when the elastic body 60 according to the second embodiment of the present invention is fixed to the middle track 20, the elastic body 60 is also formed to be inclined upward and bent. When the middle track 20 is moved to a predetermined operation position, the inner peripheral edge of the locking hole (locking portion) 621 locks the protruding piece 11 of the outer track 10 so that the protruding ear 622 is further formed into a slot By abutting the lips 22, the ability to position the middle track 20 in a single direction can be provided.
[0028]
Referring again to FIG. 8, the user presses the inner track 30 inward and presses the elastic body 60 itself downward via the side plate 31, so that the locking between the locking hole 621 and the protruding piece 11 is stopped. You can break the relationship.
[0029]
Further, when the user pulls the middle track 20 and the inner track 30 again, the elastic body 60 of the present invention is restored to the state where it is bent up to the predetermined inclination by the elastic recovery ability, so that it is locked again. The locking of the protruding piece 11 of the outer track 10 by the hole 621 can provide the function of positioning the middle track 20 in a single direction.
[0030]
[Effect of the invention]
According to the positioning structure of the drawer truck of the present invention, a resilient body is added to the middle track, and the stopper / locking hole of the resilient body can lock the protruding piece of the outer track into the middle track. Can be prevented from sliding inward, so that there is an advantage that the convenience in using the truck can be enhanced.
[0031]
According to the drawer track positioning structure of the present invention, an outer protrusion is formed at the end of the middle track, and an inner protrusion is formed at the open end of the outer track. Since the middle truck can be prevented from sliding to the outside during operation by using the sliding assist member having the length, there is an advantage that the convenience in using the truck can be enhanced.
[0032]
The present invention may be embodied in other ways without departing from its spirit and essential characteristics. Accordingly, the preferred embodiments described herein are illustrative and not limiting.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view of a drawer track positioning structure according to a first embodiment of the present invention.
FIG. 2 is a perspective view of an assembled state of the drawer track positioning structure according to the first embodiment of the present invention.
FIG. 3 is a perspective view of the drawer truck according to the first embodiment of the present invention, which is assembled by pulling a middle truck to a predetermined operation position by a positioning structure of the truck;
FIG. 4 is a sectional view taken along the line AA of FIG. 3;
FIG. 5 is a cross-sectional view illustrating a state where the inner track and the middle track are pushed into the outer track by the drawer track positioning structure according to the first embodiment of the present invention;
FIG. 6 is an exploded perspective view of the drawer track positioning structure according to the second embodiment of the present invention.
FIG. 7 is a cross-sectional view illustrating a state where the middle track is pulled to a predetermined operation position by the drawer track positioning structure according to the second embodiment of the present invention.
FIG. 8 is a sectional view showing a state where the inner track and the middle track are pushed into the outer track by the drawer track positioning structure according to the second embodiment of the present invention.
FIG. 9 is an exploded perspective view of a conventional three-stage drawer truck positioning structure.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Outer track 11 Projecting piece 12 Inner projecting part 20 Middle track 201 Stopper 202 Locking member 21 Fitting groove 211 Projecting point 22 Slot hole 23 Outer projecting part 30 Inner track 301 Locking member 302 Projecting part 31 Side plate 40 Sliding assisting member 40 '' Sliding assisting member 50 Elastic body 51 Locking rod 511 Folding part 512 Hole 52 Arm 521 Stopper 522 Protruding ear part 60 Resilient body 61 Locking rod 611 Folding part 612 Hole 613 Through hole 62 Arm 621 Locking hole 622 Protruding ear a Slope b Slope

Claims (10)

A drawer track positioning structure including an outer track (10), a middle track (20), an inner track (30), and an elastic body (50). The outer track (10) has two projecting pieces ( 11), the middle track (20) is fitted to the outer track (10), and the middle track (20) is provided with one fitting groove (21) and two groove holes (22). The track (30) is fitted on the middle track (20), the pressing body (50) is provided with one locking rod (51) and two arms (52), and the locking rod (51) is The arm (52) is fixed to the fitting groove (21) of the track (20), and is formed to extend forward from both sides of the resilient body (50). A stop is formed and the middle truck (20) is pulled to the expected operating position The locking portion can penetrate the groove (22) of the middle track (20) to lock the projecting piece (11) of the outer track (10), so that the middle track (20) slides inside. A drawer track positioning structure, characterized in that the drawer track can be prevented from being drawn. The locking portion is composed of two stoppers (521) formed by bending vertically downward from the arm (52), and the stopper (521) and the projecting piece (11) of the outer track (10) are attached to each other. 2. The drawer track positioning structure according to claim 1, wherein an inclined surface is formed correspondingly. The arm (62) may be bent downward to form a V-shape, and the locking portion may include two locking holes (621) formed at the lowest point of the arm (62). Item 2. A track positioning structure for a drawer according to Item 1. The locking rod (51) is provided with a bent portion (511) bent downward, and the resilient body (50) is formed so as to be bent upward while being inclined upward relative to the middle track (20). 2. The drawer track positioning structure according to claim 1, wherein: The locking rod (61) may be provided with a bent portion (611) bent upward, the locking rod (611) may be bent in an inverted V-shape, and the resilient body (60) may be provided in the middle track (20). 2. The drawer track positioning structure according to claim 1, wherein the drawer track is formed so as to be bent upward with an inclination relative to (1). Two other protruding ears (522) are formed by bending the front end of the arm (52). The protruding ears (522) extend from the arm (52) into the slot (22) of the middle track (20). 2. A drawer track positioning structure according to claim 1, wherein the drawer track can be brought into contact with the lip of the slot when inserted. 2. The drawer truck positioning structure according to claim 1, wherein the resilient body (50), the fitting groove (21), the slot (22) and the projecting piece (11) can be formed by bending by punching. A plurality of holes (512) formed by punching, a plurality of projecting points (211) and a plurality of projections are formed in the locking rod (51) of the resilient body (50) and the fitting groove (21) of the middle track (20). 2. The drawer truck positioning structure according to claim 1, wherein the bonding strength between the locking rod (51) and the fitting groove (21) is increased by using an adhesive. The installation of the fitting groove (21) in the middle track (20) is omitted, and the locking rod (51) of the pressing body (50) is directly welded and fixed to the surface of the middle track (20). The drawer track positioning structure according to claim 1. Two outer protrusions (23) may be provided at the end of the middle track (20), and two inner protrusions (12) may be provided at the open end of the outer track (10). When the track (20) is moved to a predetermined operating position, the outer protrusion (23) is provided with a sliding assist member (40) having a suitable length between the middle track (20) and the outer track (10). 2. The drawer track positioning structure according to claim 1, wherein the inner track (12) can be locked so that the middle track (20) can be prevented from sliding outward.

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