CN203696968U - Drawer locking mechanism of tool kit - Google Patents

Abstract

The utility model discloses a drawer locking mechanism of a tool kit and belongs to the technical field of tool kits. The tool kit comprises a kit body, and a lock catch wrenching bar limiting guide plate and a pair of drawer locking hooks are arranged on a kit body rear board. The drawer locking mechanism comprises a pair of locking plate guide devices, a pair of locking plates, a balancing bar, a manual traction device and a pair of locking plate restoration boosting devices, wherein the locking plate guide devices are fixed to the side, facing a drawer, of the kit body rear board, the locking plates correspond to the drawer locking hooks in position and are provided with locking hook matching holes in the height direction, the upper end of the balancing bar is hinged between the locking plates, the manual traction device is connected to the side, facing the drawer, of the kit body rear board, and the locking plate restoration boosting devices are arranged at the positions, corresponding to the bottoms of the locking plates respectively, of the kit body rear board and connected with the locking plates respectively. The durable effect of unlocking or locking the drawer locking hooks is guaranteed, and the drawer locking mechanism is simple in structure and convenient to manufacture and install.

Description

The drawer lock mechanism in tool box

Technical field

The utility model belongs to tool box technical field, is specifically related to a kind of drawer lock mechanism of tool box.

Background technology

Because being extremely conducive to return categorizedly, tool box deposits and takes care of various hardware & tools, not only take conveniently, and can effectively prevent that hardware & tools from losing because being scattered, thereby comparatively general in the application of maintenance industry, electronic product assembling industry, even also, as being mounted in various types of vehicles with car equipment, the equipment maintenance and management department of these external industrial and mining enterprises is also equipped with corresponding tool box at rational position conventionally.

Under normal circumstances, a tool box has a plurality of drawers, places corresponding hardware & tools in each drawer, needs only with key operated corresponding drawer, and take out required instrument when use in drawer, with finishing, instrument is returned to drawer and drawer-lock is locked.

Owing to being typically provided with a plurality of drawers on a tool box, and be that each drawer is equipped with one lockset, thereby cause the inconvenience in use, once and key loss meeting bring puzzlement to drawing-out type drawer.Utilize a lockset by the locking of the case lid in tool box and casing, and in the time of opening box covers or opening box covers after by losing the puzzlement of bringing for making drawer release can eliminate the inconvenience of aforementioned use and elimination with the operation of the drawer lock mechanism of interlock method locking in all drawers because of key.Can be seen in by disclosed Chinese patent literature this, " a kind of drawer-locking device for lever type tool case " typically recommended as Granted publication CN201132310Y, the technique effect of the 1st section of conclusion of this patent scheme energy its Instructions Page 3 of objective embodiment, but still there is following shortcoming: one, owing to also needing to be equipped with a controlling organization except being equipped with a pair of action actuating mechanism, between controlling organization and action actuating mechanism, be articulated and connected by lever, thereby structure relative complex, lose tersely, give and manufacture and assembling causes certain difficulty; They are two years old, due to drawer lock or the latch that unlocks are conducted oneself with dignity when descending to drawer unlock (the spacing lockhole on latch is out of hand to the protruding hook of the latch hook on drawer) with it entirely, when up to drawer lock, once thereby there is the situation that latch upstream or downstream are not in place, all can affect unlatching or the locking effect of drawer-lock, for example uply not in placely occur that drawer seemingly locks nonlocking phenomenon, and for example descendingly not in placely occur that drawer seemingly opens the phenomenon of non-unlatching.Although because substantially can guarantee that during fabrication controlling organization and retaining mechanism embody just as seesaw moment relation (cover plate is case lid can offset the free-falling of action actuating mechanism power to the active force of controlling organization) between the two, but in the time using after a period of time because of such as component wear, clamping stagnation and even distortion etc., above-mentioned phenomenon is just with occurring.

In view of above-mentioned prior art, still have improved necessity, the applicant has done positive and useful design for this reason, has finally formed technical scheme described below.

Summary of the invention

Task of the present utility model is to provide a kind of and contributes to remarkable simplified structure and use and conveniently manufacture with assembling and be conducive to ensure that latch is up puts in place and descending putting in place and using avoids impact to the locking of drawer and the drawer lock mechanism in tool box of opening effect.

Task of the present utility model completes like this, a kind of drawer lock mechanism of tool box, described tool box is included in that upper articulation has case lid and bottom plug is provided with the casing of drawer, wherein: form and have a surperficial spacing guide plate of locking wrench bar that is raised in casing postnotum along the length direction of casing postnotum on the casing postnotum of casing and towards the top of a side of drawer, there is a pair of drawer lock hook and form on the drawer postnotum of drawer and towards a side of casing postnotum, one of them drawer lock hook in this pair of drawer lock hook is positioned at one end of the length direction of drawer postnotum, and another drawer lock hook in a pair of drawer lock hook is positioned at the other end of the length direction of drawer postnotum, described drawer lock mechanism comprises a pair of latch guider, a pair of latch, one balancing pole, one manual draw-gear and a pair of latch reset power assisting device, a pair of latch guider with each other longitudinally parallel state be separately fixed at the side of described casing postnotum towards described drawer, and one of them the latch guider in this pair of latch guider is positioned at one end of the length direction of casing postnotum, and another latch guider in a pair of latch guider is positioned at the other end of the length direction of casing postnotum, the position of a pair of latch is corresponding with described drawer lock hook, one of them latch guider in wherein one piece of latch and a pair of latch guider in this pair of latch is slidably matched, and another latch guider in another piece of latch and a pair of latch guider in a pair of latch is slidably matched, respectively offer and equate with the quantity of described drawer and position and the corresponding lock hook mating holes of described drawer lock hook with interval state in the short transverse of a pair of latch, balancing pole is being hinged between a pair of latch corresponding to the upper end of a pair of latch, hand traction device pivotally connected at described casing postnotum the side towards described drawer, and match with balancing pole in the middle part at the length direction corresponding to balancing pole, and match with the described spacing guide plate of locking wrench bar simultaneously, a pair of latch reset power assisting device is arranged on described casing postnotum in the position of the bottom that corresponds respectively to a pair of latch, and be connected with a pair of latch respectively.

In a specific embodiment of the present utility model, on the spacing guide plate of described locking wrench bar of described casing postnotum and offering the spacing gathering sill of a wrenching bar corresponding to the position of described hand traction device, hand traction device matches with the spacing gathering sill of this wrenching bar; The length direction of described balancing pole and towards under one side form have swing arm sliding tray, described hand traction device matches with this swing arm sliding tray.

In another specific embodiment of the present utility model, described hand traction device comprises swing arm Connection Block, first, the second swing arm, draw bar and fork, swing arm Connection Block is fixed in trustship, and trustship is fixed on described casing postnotum, the upper end of the first swing arm probes in described swing arm sliding tray and is slidably matched with swing arm sliding tray, one end of the lower end of the first swing arm and swing arm Connection Block is hinged, the upper end of the second swing arm probes in swing arm sliding tray and is slidably matched with swing arm sliding tray, the other end of the lower end of the second swing arm and swing arm Connection Block is hinged, the middle part of one end of draw bar and the first swing arm is hinged, and the middle part of the other end and the second swing arm is hinged, the upper end of fork and the spacing gathering sill of described wrenching bar are slidably matched and lean out the spacing gathering sill of wrenching bar, and the lower end of fork and the middle part of draw bar are fixedly connected with.

In another specific embodiment of the present utility model, described a pair of latch guider respectively comprises a left slide plate and a right slide plate, and left and right slide plate is longitudinally parallel each other, and is fixed on the side of described casing postnotum towards described drawer.

In another specific embodiment of the present utility model, described left slide plate and the shape of cross section of right slide plate are evenly zigzag.

Also have in a specific embodiment of the present utility model, be fixed with one in the upper end of described fork for dialling for operator the fork cap of pinching.

More of the present utility model and in a specific embodiment, form and have anti-skidding flange on the surface of described fork cap.

In of the present utility model and then a specific embodiment, described a pair of latch reset power assisting device respectively comprises a spring base and a spring, spring base is fixed towards a side of described drawer at position and the described casing postnotum of the bottom that corresponds respectively to described a pair of latch, one end of spring is fixed on the bottom of latch, and the other end is fixed on spring base.

Of the present utility model again more and in a specific embodiment, described spring is extension spring.

In again of the present utility model and then a specific embodiment, the short transverse of described a pair of latch and form the chamber of soaring towards a side of described casing postnotum is each, described lock hook mating holes communicates with the chamber of soaring, the upwards bending and form and have a gib head of the end of described drawer lock hook, when gib head enters while soaring chamber, by a pair of latch simultaneously by described drawer lock, when gib head is during corresponding to lock hook mating holes, a pair of latch unlocks to drawer.

The technical scheme that the utility model provides is after opening box covers, as long as to manual draw-gear operation, just can drive balancing pole by hand traction device, and then drive a pair of latch upstream or downstream by balancing pole simultaneously, realize drawer lock hook is unlocked or locked, due to fully up putting in place or descending putting in place of latch, thereby can guarantee lasting unlatching and the locking effect to drawer lock hook; Because overall structure is terse, thereby can conveniently manufacture and install.

Accompanying drawing explanation

Fig. 1 is example structure figure of the present utility model.

Fig. 2 is application examples schematic diagram of the present utility model.

The specific embodiment

For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present utility model and beneficial effect more, applicant elaborates the mode with embodiment below, but be not all the restriction to the utility model scheme to the description of embodiment, any done according to the utility model design only for pro forma but not substantial equivalent transformation all should be considered as the technical solution of the utility model category.

Refer to Fig. 1 and Fig. 2, in Fig. 2, provide a kind of version of casing 1, but drawer lock mechanism of the present utility model is not limited to the tool box of this version, take the present embodiment as example, top at casing 1 is hinged with a case lid 11 by hinge 111, and bottom is equipped with drawer 12 with pluggable mode, although only show two drawers 12 in Fig. 2, but obviously should not be subject to illustrated restriction, for example according to need and the quantity of drawer 12 can be increased to three or more than.Casing 1 is equipped with a tank tower 14, is furnished with one group of roller 141 in the bottom of tank tower 14, and is respectively fixed with a handgrip 142 on left side and the right side on the top of tank tower 14, and casing 1 is found a place for and is fixed on shortly on tank tower 14.

On the casing front side board 15 of casing 1 and the middle position that is positioned at the length direction of casing front side board 15 be provided with a lid locking device 151, this lid locking device 151 comprises electronic lock 1511 and latch hook 1512, electronic lock 1511 is fixed on casing front side board 15, this electronic lock 1511 has one group of each button of button 15111(and represents a number) and a knob 15112, latch hook 1512 is fixed on knob 15112, and is positioned at the side of casing front side board 15 towards casing back side panel 13.On aforesaid case lid 11 and be fixed with a locking circle 112 corresponding to the position of latch hook 1512, when case lid needs only to counter clockwise direction switch knob 15112 under closed condition, be with moveable lock hook 1512 to rotate counterclockwise an angle by knob 15112, thereby by latch hook 1512, locking circle 112 locked.When opening box covers 11, first one group of button 15111 is pressed to predefined Password Operations, make knob 15112 in can switch state, and by knob 15112 to angle of clockwise direction switch, band moveable lock hook 1512 rotates an angle to clockwise direction, remove its locking to locking circle 112, case lid 11 is upwards started and be the state shown in Fig. 2.

Shown in Fig. 1 and Fig. 2, form and have a spacing guide plate 131 of surperficial locking wrench bar that is raised in casing postnotum 13 along the length direction of casing postnotum 13 towards the top of a side of aforementioned casing front side board 15 on the casing postnotum 13 of the casing 1 of having mentioned in the above and towards a side of drawer 12, offer the spacing gathering sill 1311 of a wrenching bar in the middle position of the length direction of the spacing guide plate 131 of this locking wrench bar.Respectively be fixed with a drawer lock hook 1211 at the drawer postnotum 121 of aforesaid drawer 12 towards a side of casing postnotum 13 and the one end and the other end that are positioned at the length direction of drawer postnotum 121, form and have a bending part at the end of drawer lock hook 1211, be configured to gib head 12111 by this bending part.

Applicant elaborates for the structural system of drawer lock mechanism of the present utility model below, this drawer lock mechanism comprises a pair of latch guider 2, a pair of latch 3, one balancing pole 4, one manual draw-gear 5 and a pair of latch reset power assisting device 6, a pair of latch guider 2 with each other longitudinally parallel state be separately fixed at the side of aforementioned casing postnotum 13 towards drawer 12, and one end that one of them the latch guider in this pair of latch guider 2 is positioned at the length direction of casing back side panel 13 is positioned at the left end of location status shown in Fig. 1, and being positioned at the other end of the length direction of casing postnotum 13, another latch guider in a pair of latch guider 2 is positioned at the right-hand member of location status shown in Fig. 1.The position of a pair of latch 3 is corresponding with drawer lock hook 1211, one of them latch guider in wherein one piece of latch and a pair of latch guider 2 in this pair of latch 3 is slidably matched, and another latch guider in another piece of latch and a pair of latch guider 2 in a pair of latch 3 is slidably matched.As shown in Figure 1, respectively offer and equate with the quantity of drawer 2 and position and the corresponding lock hook mating holes 31 of drawer lock hook 1211 with interval state in the short transverse of a pair of latch 3.Balancing pole 4 is in the upper end hinge corresponding to a pair of latch 3 between a pair of latch 3, and particularly, one end of balancing pole 4 and the other end are respectively hinged with the upper end of a pair of latch 3 by a balancing pole bearing pin 42.Hand traction device 5 pivotally connected at casing postnotum 13 side towards drawer 2, and this hand traction device 5 matches with balancing pole 4 at the middle part of the length direction corresponding to balancing pole 4, this hand traction device 5 matches with the spacing gathering sill 1311 of wrenching bar on the spacing guide plate 131 of aforementioned locking wrench bar simultaneously simultaneously.A pair of latch reset power assisting device 6 is arranged on the side of casing postnotum 13 towards drawer 12 in the position of the bottom that corresponds respectively to a pair of latch 3, and be connected with a pair of latch 3 respectively, more particularly, one of them latch reset power assisting device in a pair of latch reset power assisting device 6 is connected with the wherein one piece of latch in a pair of latch 3, and another latch reset power assisting device in a pair of latch reset power assisting device 6 is connected with another piece of latch in a pair of latch 3.

The length direction of aforementioned balancing pole 4 and towards under a side form and have a swing arm sliding tray 41, aforesaid hand traction device 5 is slidably matched with this swing arm sliding tray 41.From the signal of Fig. 2, in order to make balancing pole 4 possess aforesaid swing arm sliding tray 41, therefore the shape of cross section of balancing pole 4 is inverted U font, is n font.

Aforesaid a pair of latch guider respectively comprises a left slide plate 21 and a right slide plate 22, left and right slide plate 21,22 is longitudinally parallel each other, and be fixed on the side of aforementioned casing postnotum 13 towards drawer 12, the shape of cross section of left and right slide plate 21,22 is all zigzag, to make to form between left slide plate 21 and casing postnotum 13 a left guide runner 211, and make to form between right slide plate 22 and casing postnotum 13 a right guide runner 221.The left and right guide runner 211,221 of the left and right slide plate 21,22 of one of them the latch guider in wherein one piece of latch and a pair of latch guider 2 in aforesaid a pair of latch 3 is slidably matched, and the left and right guide runner 211,221 of the left and right slide plate 21,22 of another latch guider in another piece of latch and a pair of latch guider 2 in a pair of latch 3 is slidably matched.

Respectively form in the short transverse of aforesaid a pair of latch 3 and towards a side of casing postnotum 13 chamber 32 of soaring, aforesaid lock hook mating holes 31 communicates with the chamber 32 of soaring, when aforementioned gib head 1211 enters while soaring chamber 32, by a pair of latch 3, drawer 12 is locked, namely gib head 1211 is limited, and when gib head 1211 is during integrally corresponding to lock hook mating holes 31, a pair of latch 3 unlocks to drawer 12, namely gib head 12111 is discharged.

Please emphasis referring to Fig. 1, above mentioned hand traction device 5 comprises swing arm Connection Block 51, first, the second swing arm 52, 53, draw bar 54 and fork 55, swing arm Connection Block 51 is preferably fixed in trustship 511 with welding manner, and trustship 511 is equally preferably fixed on institute's casing postnotum 13 with welding manner, the upper end of the first swing arm 52 is insinuated in aforesaid swing arm sliding tray 41 and is slidably matched with swing arm sliding tray 41, and the lower end of the first swing arm 52 is hinged with one end (left end shown in Fig. 1) of swing arm Connection Block 51 by the first jointed shaft 521, the upper end of the second swing arm 53 probes in swing arm sliding tray 41 and is slidably matched with swing arm sliding tray 41, and the lower end of the second swing arm 53 is hinged with the other end (right-hand member shown in Fig. 1) of swing arm Connection Block 51 by the second jointed shaft 531.One end (left end shown in Fig. 1) of draw bar 54 is hinged by the middle part of the first bearing pin 541 and the first swing arm 52, and the other end (right-hand member shown in Fig. 1) is hinged by the middle part of the second bearing pin 542 and the second swing arm 53.The spacing gathering sill 1311 of the upper end of fork 55 and aforementioned wrenching bar is slidably matched and leans out the spacing gathering sill 1311 of wrenching bar, and the lower end of fork 55 is welded and fixed with the middle part of draw bar 54 or be fixedly connected with securing member.Be fixed with one in the upper end of aforementioned fork 55 for dialling for operator the fork cap 551 of pinching, and form and have anti-skidding flange 5511 on the surface of fork cap 551.

Aforesaid a pair of latch reset power assisting device 6 respectively comprises a spring base 61 and a spring 62, spring base 61 is fixed towards a side of described drawer 12 at position and the casing postnotum 13 of the bottom that corresponds respectively to a pair of latch 3, one end of spring 62 is fixed on the latch spring fixed hole 33 of the bottom of latch 3 offering, and the other end of spring 62 is fixed on the spring fixed hole 611 being opened on spring base 61.Preferably, spring 62 adopts extension spring.If form equally a spring locating flange at the bottom of a pair of latch 3 each formation one spring-loaded flange and on spring base 61, one end of spring 62 is bearing on spring-loaded flange, and being bearing in spring, the other end is positioned on flange, and use spring 62 instead coil spring, should be considered as so equivalence and change and still belong to the disclosed technology contents category of the utility model.

In the time wanting drawing-out type drawer 12 to take instrument (from the interior taking-up hardware & tools of drawer 12), first according to password figure, the button 15111 of the electronic lock 1511 to lid locking device 151 operates, make knob 15112 in released state, again knob 15112 is rotated to an angle to clockwise direction, be with moveable lock hook 1512 to rotate an angle to clockwise direction by knob 15112, latch hook 1512 is recessed locking circle 112.Then case lid 11 is upwards started to being the state shown in Fig. 2 and being supported by case lid support bar 113, that is to say by case lid support bar 113 and make case lid 11 be held in the opening shown in Fig. 2.Then by operator, the fork 55 of manual draw-gear 5 is operated, fork 55 is being followed to the spacing gathering sill 1311 of wrenching bar and dialing to current location status as shown in Figure 1 to the right, stirring in the process of fork 55, drive draw bar 54 to move right by the lower end of fork 55, drive first by draw bar 54 simultaneously, the second swing arm 52, 53 motions, by first, the second swing arm 52, 53 make balancing pole 4 to top offset simultaneously, drive a pair of latch 3 to top offset by balancing pole 4, make a pair of latch 3 remove the locking of the gib head 12111 to drawer lock hook 1211 simultaneously, gib head 12111 entirety are now corresponding to lock hook mating holes 31, under this state, can pull out drawer 12.When drawer 12 is locked, first drawer 12 is fully pushed in casing 1, then as long as fork 55 is stirred left, by aforementioned contrary process until make a pair of latch 3 descending, make gib head 12111 enter the chamber 32 of soaring, due to the restoring force effect of spring 62, thereby can make abundant descending the putting in place of a pair of latch 3, then close case lid 11, by knob 15112 to counterclockwise switch, make latch hook 1512 to 112 lockings of locking circle, then one group of button 15111 is operated, temporarily to upset password number order, knob 15112 is in the lock state.

In sum, the technical scheme that the utility model provides has solved the technical problem in prior art, has completed invention task, has cashed the technique effect referring in the superincumbent technique effect of applicant hurdle.

Claims (10)

1. a kind of drawer lock mechanism of tool box, described tool box is included in that upper articulation has case lid (11) and bottom plug is provided with the casing (1) of drawer (12), wherein: upper and form and have a surperficial spacing guide plate of locking wrench bar (131) that is raised in casing postnotum (13) along the length direction of casing postnotum (13) towards the top of a side of drawer (12) at the casing postnotum (13) of casing (1), there is a pair of drawer lock hook (1211) and form on the drawer postnotum (121) of drawer (12) and towards a side of casing postnotum (13), one of them drawer lock hook in this pair of drawer lock hook (1211) is positioned at one end of the length direction of drawer postnotum (121), and another drawer lock hook in a pair of drawer lock hook (1211) is positioned at the other end of the length direction of drawer postnotum (121), it is characterized in that described drawer lock mechanism comprises a pair of latch guider (2), a pair of latch (3), one balancing pole (4), one manual draw-gear (5) and a pair of latch reset power assisting device (6), a pair of latch guider (2) with each other longitudinally parallel state be separately fixed at the side of described casing postnotum (13) towards described drawer (12), and one of them the latch guider in this pair of latch guider (2) is positioned at one end of the length direction of casing postnotum (13), and another latch guider in a pair of latch guider (2) is positioned at the other end of the length direction of casing postnotum (13), the position of a pair of latch (3) is corresponding with described drawer lock hook (1211), one of them latch guider in wherein one piece of latch and a pair of latch guider (2) in this pair of latch (3) is slidably matched, and another latch guider in another piece of latch and a pair of latch guider (2) in a pair of latch (3) is slidably matched, respectively offer and equate with the quantity of described drawer (2) and position and the corresponding lock hook mating holes (31) of described drawer lock hook (1211) with interval state in the short transverse of a pair of latch (3), balancing pole (4) is being hinged between a pair of latch (3) corresponding to the upper end of a pair of latch (3), hand traction device (5) pivotally connected at described casing postnotum (13) side towards described drawer (2), and match with balancing pole (4) in the middle part at the length direction corresponding to balancing pole (4), and match with the described spacing guide plate of locking wrench bar (131) simultaneously, a pair of latch reset power assisting device (6) is arranged on described casing postnotum (13) in the position of the bottom that corresponds respectively to a pair of latch (3), and be connected with a pair of latch (3) respectively.

2. the drawer lock mechanism in tool box according to claim 1, it is characterized in that on the spacing guide plate of described locking wrench bar (131) of described casing postnotum (3) and offering the spacing gathering sill of a wrenching bar (1311) corresponding to the position of described hand traction device (5), hand traction device (5) matches with the spacing gathering sill of this wrenching bar (1311); The length direction of described balancing pole (4) and towards under one side form have swing arm sliding tray (41), described hand traction device (5) matches with this swing arm sliding tray (41).

3. the drawer lock mechanism in tool box according to claim 2, it is characterized in that described hand traction device (5) comprises swing arm Connection Block (51), first, the second swing arm (52, 53), draw bar (54) and fork (55), swing arm Connection Block (51) is fixed in trustship (511), and trustship (511) is fixed on described casing postnotum (13), the upper end of the first swing arm (52) probes in described swing arm sliding tray (41) and is slidably matched with swing arm sliding tray (41), one end of the lower end of the first swing arm (52) and swing arm Connection Block (51) is hinged, the upper end of the second swing arm (53) probes in swing arm sliding tray (41) and is slidably matched with swing arm sliding tray (41), the other end of the lower end of the second swing arm (53) and swing arm Connection Block (51) is hinged, the middle part of one end of draw bar (54) and the first swing arm (52) is hinged, and the middle part of the other end and the second swing arm (53) is hinged, the upper end of fork (55) and the spacing gathering sill of described wrenching bar (1311) are slidably matched and lean out the spacing gathering sill of wrenching bar (1311), and the lower end of fork (55) is fixedly connected with the middle part of draw bar (54).

4. the drawer lock mechanism in tool box according to claim 1, it is characterized in that described a pair of latch guider (2) respectively comprises a left slide plate (21) and a right slide plate (22), left and right slide plate (21,22) is longitudinally parallel each other, and is fixed on the side of described casing postnotum (13) towards described drawer (12).

5. the drawer lock mechanism in tool box according to claim 4, is characterized in that described left slide plate (21) and the shape of cross section of right slide plate (22) are evenly zigzag.

6. the drawer lock mechanism in tool box according to claim 3, is characterized in that being fixed with in the upper end of described fork (55) one for dialling for operator the fork cap (551) of pinching.

7. the drawer lock mechanism in tool box according to claim 6, is characterized in that forming and having anti-skidding flange (5511) on the surface of described fork cap (551).

8. the drawer lock mechanism in tool box according to claim 1, it is characterized in that described a pair of latch reset power assisting device (6) respectively comprises a spring base (61) and a spring (62), spring base (61) is fixed towards a side of described drawer (12) at position and the described casing postnotum (13) of the bottom that corresponds respectively to described a pair of latch (3), one end of spring (62) is fixed on the bottom of latch (3), and the other end is fixed on spring base (61).

9. the drawer lock mechanism in tool box according to claim 8, is characterized in that described spring is extension spring.

10. the drawer lock mechanism in tool box according to claim 1, it is characterized in that the short transverse of described a pair of latch (3) and the side towards described casing postnotum (13) respectively form the chamber (32) of soaring, described lock hook mating holes (31) communicates with the chamber of soaring (32), the upwards bending and form and have a gib head (12111) of the end of described drawer lock hook (1211), in the time that gib head (12111) enters the chamber of soaring (32), described drawer (12) is locked by a pair of latch (3) simultaneously, when gib head (12111) is during corresponding to lock hook mating holes (3), a pair of latch (3) unlocks to drawer (12).