CN201133156Y

CN201133156Y - Tool box lock

Info

Publication number: CN201133156Y
Application number: CNU2007200868912U
Authority: CN
Inventors: 杨晖; 蒋光福
Original assignee: Dongfeng Motor Co Ltd
Current assignee: Dongfeng Commercial Vehicle Co Ltd
Priority date: 2007-09-10
Filing date: 2007-09-10
Publication date: 2008-10-15
Anticipated expiration: 2017-09-10

Abstract

The utility model relates to a tool box lock, which comprises a built-in lock body fixed on a tool box cover, a spring bolt component, a spring bolt control component and a pull rod component, wherein the spring bolt component is respectively positioned on the inner surface of the tool box cover at two sides of the built-in lock body; the lock tongue control assembly is a handle plate which can toggle the lock tongue to retract inwards along the lock tongue groove through a deflector rod; the pull rod assembly is composed of a connecting rod and a special-shaped lock plate, the center of the special-shaped lock plate is fixed on the rear end face of the lock body, cam grooves which are symmetrical about the center are formed in the left side and the right side of the special-shaped lock plate, the inner end of the connecting rod is matched with the cam grooves, and the outer end of the connecting rod is inserted into a lock tongue groove in the lower end of a lock tongue in the lock tongue. The tool box lock has the advantages of compact structure, high strength, good anti-theft performance and convenient opening, closing and locking, and is particularly suitable for horizontal automobile tool boxes.

Description

The tool box lock

[technical field]

The utility model relates to lock, relates in particular to the tool box lock that a kind of theftproof is had relatively high expectations.

[background technology]

Take instrument for convenience, general automobile all is placed on the automobile chassis or the similar place of exposing with the tool box, and therefore have relatively high expectations to theftproof usually in this tool box.Before the utility model proposes, Chinese patent discloses following several locksets: first kind of patent No. is 96203806.7, and name is called the utility model patent of " being fixed on the padlock on the external buckled body on the case lid ".This patent utilization padlock is controlled the state of buckled body, realizes the control operation of the corresponding monolock point of a padlock, and the padlock outside this being exposed to can not effectively prevent the behavior of robbing that the burglar cuts off lock bridge or lock bridge is pried open from the padlock main body; Second kind of patent No. is 200410047331.7 utility model patent, discloses another kind of tool box rotating lock.The lock body of this patent embeds pivoting handle one end, separates open position when lock body is rotated, and unties monolock point lockup state by pulling pivoting handle; The third patent No. is the utility model patent of 01820029.X, discloses a kind of lock system that is used for horizontal tool case.This patent is enclosed in external padlock in one enclosure space of casing front side, and this padlock can limit near the elongated tightening latch longitudinal sliding motion the body front wall that is positioned at the tool box, and a plurality of lock points on the tightening latch are remained on the door bolt allocation.First kind of lockset is external lock body, and second kind is built-in lock body, and two kinds of locksets are the point control of monolock body monolock, and theftproof is poor.The third lockset than the above two because realized that lock body is built-in, Multiple locking point control theftproof is strong, but its tightening latch latch mechanism that is positioned at box inside is exposed to the tool box, the tool box move in the process easily with the tool box in instrument collide, influence its application life.

[utility model content]

The purpose of this utility model is in order to solve the deficiency that the above-mentioned background technology exists, a kind of improved tool box lock to be provided, make it have compact conformation, and theftproof is good, opens, closed, locking characteristics easily.

The purpose of this utility model is achieved through the following technical solutions: the tool box lock, comprise and be fixed on the built-in lock body that the tool box covers, the dead bolt assembly, dead bolt Control Component and rod assembly, described dead bolt assembly lays respectively at the instrument case lid inner face of built-in lock body both sides, the dead bolt Control Component is positioned at the instrument case lid outside corresponding with the dead bolt assembly, it is characterized in that described dead bolt assembly comprises dead bolt seat, dead bolt and spring, and dead bolt is arranged in the lock tongue slot of dead bolt seat; Described dead bolt Control Component is that an energy is stirred attacker's plate that dead bolt inwardly shrinks along lock tongue slot by driving lever; Described rod assembly is made up of connecting rod and special-shaped jam plate, abnormal shape jam plate central authorities are fixed on the lock body rear end face, have the symmetrical cam path about central authorities on about special-shaped jam plate, the inner and the cam path of connecting rod match, and insert in the lock tongue slot of dead bolt lower end in the dead bolt seat outer end of connecting rod.

In the dead bolt seat, described lock tongue slot 19 is provided with the opening that stretches into for driving lever 20 in the dead bolt Control Component towards the cell wall of dead bolt Control Component one side, on the dead bolt of this face, be provided with the interior slot pulling 21 that to hold driving lever 20 ends, in lock tongue slot 19 bottoms spring 14 is housed, have the through hole 25 vertical with lock tongue slot 19 in dead bolt seat side, the outer end of described connecting rod is positioned at this through hole 25.

Be provided with cylindrical bump 22 on end in lock tongue slot 19 bottoms, described spring 14 is enclosed within on this cylindrical bump 22.

Described dead bolt Control Component comprises attacker's plate, and described driving lever is arranged on attacker's backboard face and links together with attacker's plate, and described attacker's plate is hinged on two support arms 23 that are positioned at two ends, the left and right sides on the dead bolt seat by horizontal axis.

Be provided with and stretch into grooving 27 for pull bar 6 in cylindrical bump 22 other dead bolt bottoms.

The utility model adopts and is fixed on the built-in lock body that the tool box covers, and utilizes lock body that symmetrical a pair of dead bolt is carried out locking, released state control.Under released state, pull the attacker's plate in the dead bolt Control Component, can open case lid.When the pull bar that orders about its interlock when the rotation lock body stretched into the dead bolt below, the pull bar outer end can stop dead bolt descending, forces dead bolt to be in propradation, and at this moment, the attacker's plate in the dead bolt Control Component also can't be pulled by locked, and the tool box is promptly locked; When the rotation lock body makes pull bar release lock hypogloeeis side in the rod assembly, dead bolt keeps propradation under spring action, pull the attacker's plate in the dead bolt Control Component this moment, dead bolt overcomes acting force of the spring and descends under the effect that is connected driving lever with attacker's plate back, and case lid can be opened.

The utility model lock body is positioned at case, thereby avoids being prized possibility because lock body exposes, and compares with the above-mentioned background technology, the utlity model has compact conformation, the intensity height, theftproof is good, unlatching, closure, locking be advantage easily, is particularly suitable for horizontal automobile toolbox and uses.

[description of drawings]

Fig. 1 has the unlatching of the utility model tool box, closed two states vertical view.

Fig. 2 is the front elevation drawing with the unlatching of the utility model tool box, closed two states.

Fig. 3 is the lateral view with the unlatching of the utility model tool box, closed two states.

Fig. 4 is the sectional view with the utility model tool box closure state.

Fig. 5 is an explosive view of the present utility model.

Fig. 6 is the utility model lockup state rear elevation.

Fig. 7 is the utility model released state rear elevation.

Fig. 8 is the utility model opening rear elevation.

In Fig. 1, Fig. 2 and Fig. 3, dotted line is shown as case lid and shuts state, and solid line is shown as the case lid open mode.

[specific embodiment]

Tool box described in the utility model is made of casing 1, base plate 17, case lid 2 three parts.Casing 1 is fixedlyed connected with base plate 17 and is surrounded the space that holds instrument in the tool box.Case lid 2 is by the realization of hinge 3 and the flexible connection of casing 1.Case lid 2 can reach 180 degree to make things convenient for the operation of taking of instrument around the maximum opening angle of hinge 3 axis rotation.Case lid 2 and combining of casing 1 have been realized the sealing in this tool box.

Tool box described in the utility model lock comprises being fixed on the built-in lock body 9 that the tool box covers, dead bolt assembly, dead bolt Control Component and rod assembly.The rear wall of case lid 2 tops and casing 1 junction is being fixed dead bolt assembly and rod assembly, and built-in lock body 9 is fixed on the tegmental wall of case lid 2, and the dead bolt Control Component is positioned at instrument case lid 2 outsides corresponding with the dead bolt assembly.When case lid 2 closes,, can utilize the rod assembly at case lid 2 rear portions to realize the locking of case lid as among Fig. 1,2,3 during the dotted line state; In the time must opening case lid, remove locking state with key earlier, with the hands pull the attacker's plate 10 in the dead bolt Control Component again, case lid can be drawn back, as solid line state among Fig. 1,2,3.

Built-in lock body 9 of the present utility model, the dead bolt assembly, the structure of dead bolt Control Component and rod assembly is referring to Fig. 5.Described dead bolt assembly comprises dead bolt seat 5, dead bolt 4 and spring 14, and dead bolt 4 is arranged in the lock tongue slot 19 of dead bolt seat 5; Described dead bolt Control Component is that an energy is stirred attacker's plate 10 that dead bolt 4 inwardly shrinks along lock tongue slot 19 by driving lever 20; Described rod assembly is made up of bilateral symmetry connecting rod 6 and special-shaped jam plate 8; Described lock body 9 is general lock body.

Have vertical lock tongue slot 19 in the dead bolt seat 5, dead bolt 4 can move up and down therein, and lock tongue slot 19 sidewall forward is provided with opening, so that the driving lever 20 that attacker's plate 10 rear ends are connected can stretch in the interior slot pulling 21 on the sidewall of being located in the dead bolt 4 forward.Lock tongue slot 19 bottoms are provided with the cylindrical bump 22 that can play the radial location effect to spring 14 of vertical layout, and two support arms 23 about stretching out forward on dead bolt seat 5 front end faces respectively have the axis of rotation 24 of a horizontal cylindrical protrusion as attacker's plate 10 above.Dead bolt seat 5 sides also have the slideway that can be used as connecting rod 6 horizontal movement in dead bolt seat 5 with lock tongue slot 19 vertical through-via 25.Dead bolt seat 5 rear ends four X-shape supports 26 are arranged, in order to realize dead bolt seat fixing at case lid 2 rears.When attacker's plate 10 during around the rotation of dead bolt seat 5 the place ahead feathering axis 24, dead bolt 4 can be implemented in moving up and down in the lock tongue slot 19 under the 20 driving force effects of attacker's plate 10 rear end driving levers; Be provided with square grooving 27 in that the place ahead, bottom of dead bolt 4 cylindrical bump 22 is other, when pull bar 6 stretches in this grooving 27, dead bolt 4 promptly can't be descended by jack-up, and this moment, the tool box promptly was lockable.Be provided with the spring groove 28 of placing compression spring 14 in dead bolt 4 bottom rear and cylindrical bump 22 corresponding positions, between the spring groove 28 of spring 14 dead bolt 4 bottoms in lock tongue slot 19 and the cylindrical bump 22 of lock tongue slot 19 bottoms.Spring 14 is implemented radial location by cylinder columnar protrusions 22 to it, and spring 14 spring grooves 28 tops impose thrust upwards to stop the decline of dead bolt 5.Attacker's plate 10 rear sides have the driving lever 20 that level is stretched out, also has symmetrical ramuscule arm 29, have horizontal direction circular hole 30 on the ramuscule arm 29, the feathering axis 24 on dead bolt seat 5 support arms 23 inserts this circular hole 30, to realize attacker's plate 10 rotatablely moving around feathering axis 24.When the feathering axis 24 of attacker's plate 10 on the dead bolt seat rotates, the driving lever 20 at its rear also together rotates, thereby driving lever produces dead bolt 5 by the active force that acts on interior slot pulling 21 on the dead bolt 5 and overcomes the active force that spring 14 resistances move downward, and drives dead bolt 5 and descends.

Lock body 9 rear portions utilize the hex nut 15 and the central authorities of jam plate 8 to be connected.About two cam paths 31 of central authorities' symmetry, the inner of connecting rod 6 can be along cam path 31 profile phases to sliding about having on the jam plate 8 of abnormal shape.When handling the rotation of lock bodies 9 rear ends with key 32, jam plate 8 can rotate in a circumferential direction with its lock body, connecting rod 6 be implemented under the draw of jam plate 8 convexity races 31 that dead bolt seat 5 sides open with lock tongue slot 19 vertical through-via 25 in horizontal slip.

The concrete operating principle of this tool box lock is as follows:

When the tool box was locked, lock body 9 control jam plates 8 were Fig. 6 state, and connecting rod 6 is pushed in the dead bolt 4 below groovings 27 by jam plate cam path 31 dead bolt 4 is withstood, and making dead bolt be in high-end trim can't be descending.At this moment, dead bolt 4 is embedded in after casing 1 doorframe 12, and case lid 2 promptly can't be opened by locked; After implementing unlock operation with key 32, lock body 9 control jam plates 8 rotate and are Fig. 7 state, and connecting rod 6 draws in towards the centre under 31 tractions of jam plate cam path, and leaves dead bolt 4 bottom groovings 27, has removed the locking operation to dead bolt 4.At this moment, dead bolt 4 is owing to still be in high-end trim under the effect of below spring 14, and case lid 2 upper lock tongues 4 can't break away from casing 1 doorframe 12 voluntarily, prevents that effectively the case lid accident from opening, and instrument such as skids off at the generation of situation; When pulling attacker's plate 10 outwardly with hand, attacker's plate 10 feathering axis 24 on two support arms 23 about dead bolt seat 5 stretches out forward rotates in a circumferential direction, the driving lever 20 that is positioned at attacker's plate 10 rear portions moves down, dead bolt 4 is implemented suppressing action power, make dead bolt 4 overcome compression spring 14 resistances and come downwards to the low-end trim (see figure 8), thereby break away from casing doorframe 12.At this moment, continue to pull attacker's plate 10 outwardly, case lid 2 is affected by attacker's plate 10 to turn up, leave instrument casing 1, and the tool box promptly is opened.After case lid 2 was opened, dead bolt 4 returned to high-end trim (as Fig. 7) under the castering action of spring 14.After taking instrument, case lid 2 only need close, dead bolt 4 overcomes spring 14 active forces under the squeezing action of casing 1 doorframe 12 descending, when dead bolt 4 snaps in after casing 1 doorframe under spring 14 castering action power by jack-up, make rod assembly be in Fig. 6 state with key 32 rotational locks 9 at last, the tool box is promptly locked once more.

In sum, the utility model can be realized a lock body easily to controlling that two locks are put, and theftproof is good; Built-in lock body can effectively be stopped the burglar and carry out the picking lock operation by damaging lock bridge; Be positioned at the semienclosed dead bolt assembly on case lid top, dead bolt Control Component and rod assembly compact conformation do not influence storage space, and the protection that self has been carried out effectively; Since case lid 2 can 180 degree open effectively that protection lock mechanism can be broken when taking instrument; When lock body 9 is opened when not having external force to pull attacker's plate 10, because the castering action power of 14 pairs of dead bolts 4 of spring, case lid 2 still is in closure state, has stopped the generation that accident is opened, instrument drops out phenomenon of case lid, the safety that has improved the tool box.

Although the foregoing description has carried out detailed description to the utility model, be understandable that protection domain of the present utility model is not confined in the above-mentioned specific embodiment.On the contrary, protection domain of the present utility model has covered all alternatives, remodeling and equivalent in the utility model spirit and scope that limited by accessory claim.For guaranteeing the utility model the least possible storage space that takies in the tool box, not influence instrument is taken operation, and suggestion is installed in the top of horizontal tool case with the utility model, is not installed in other tool box but do not get rid of it, the possibility of other position.

Claims

1, tool box lock, comprise and be fixed on the built-in lock body that the tool box covers, the dead bolt assembly, dead bolt Control Component and rod assembly, described dead bolt assembly lays respectively at the instrument case lid inner face of built-in lock body both sides, the dead bolt Control Component is positioned at the instrument case lid outside corresponding with the dead bolt assembly, it is characterized in that described dead bolt assembly comprises dead bolt seat, dead bolt and spring, and dead bolt is arranged in the lock tongue slot of dead bolt seat; Described dead bolt Control Component is that an energy is stirred attacker's plate that dead bolt inwardly shrinks along lock tongue slot by driving lever; Described rod assembly is made up of connecting rod and special-shaped jam plate, abnormal shape jam plate central authorities are fixed on the lock body rear end face, have the symmetrical cam path about central authorities on about special-shaped jam plate, the inner and the cam path of connecting rod match, and insert in the lock tongue slot of dead bolt lower end in the dead bolt seat outer end of connecting rod.

2, tool box according to claim 1 is locked, it is characterized in that in the dead bolt seat, described lock tongue slot (19) is provided with the opening that stretches into for driving lever (20) in the dead bolt Control Component towards the cell wall of dead bolt Control Component one side, on the dead bolt of this face, be provided with the interior slot pulling (21) that to hold driving lever (20) end, in lock tongue slot (19) bottom spring (14) is housed, have the through hole (25) vertical with lock tongue slot (19) in dead bolt seat side, the outer end of described connecting rod is positioned at this through hole (25).

3, tool box according to claim 2 is locked, and it is characterized in that being provided with bottom lock tongue slot (19) cylindrical bump (22) on end, and described spring (14) is enclosed within on this cylindrical bump (22).

4, tool box according to claim 3 is locked, and it is characterized in that being provided with bottom the dead bolt on cylindrical bump (22) side supplying pull bar (6) to stretch into grooving (27).

5, tool box according to claim 1 is locked, it is characterized in that described dead bolt Control Component comprises attacker's plate, described driving lever is arranged on attacker's backboard face and links together with attacker's plate, and described attacker's plate is hinged on two support arms (23) that are positioned at two ends, the left and right sides on the dead bolt seat by horizontal axis.