CN109854098A - A kind of lockset for tool case - Google Patents

Abstract

A kind of lockset for tool case belongs to hardware manufacturing technology field.Including a lock housing, the centre of lock housing opens up lock core hole, front end is equipped with panel, rear end is equipped with latch hook board mount, and lock tongue slot is opened up on the hole wall of lock core hole, and the bottom of lock core hole is equipped with fulcrum bearing and lock core locating flange；One lock core body, is placed in lock core hole, and lock core and lock tongue are equipped among the front end of lock core body, and the rear end of lock core body is equipped with spring base, and sliding slot is opened up on spring base, and the tail portion of spring base is equipped with square toes；One spring is set on the spring base of lock core body and matches with fulcrum bearing touching；One push plate, is fixed on square toes；One lock crook plate is articulated on latch hook board mount, is had and is pushed away foot and latch hook foot；One torsional spring, is mounted on pin shaft, and the first torsional spring foot of torsional spring is fixed with lock crook plate, the second torsional spring foot and latch hook board mount are fixed.Advantage: good concealment, pick-proof and anti-theft are had excellent performance；With self-locking function；Long service life；Rapid operation, conveniently, structure is simple；Obturation effect is good.

Description

A kind of lockset for tool case

Technical field

The present invention relates to a kind of lockset for tool case, for realizing sealed solid between the case lid and cabinet of Toolbox cabinet It is fixed, belong to hardware manufacturing technology field.

Background technique

Currently, there are mainly two types of structure types for a kind of lockset for tool case for locking case lid and cabinet: one is Padlock, this lockset have the disadvantage that firstly, it is long-term it is exposed outside, by wind and weather, easily get rusty, service life is short；Its It is secondary, it is easy to be prized, anti-theft performance is poor；Again, obturation effect is poor；Another kind is cam lock, it is rotated by 90 ° or keeps off by baffle Piece does stretching motion to realize opening or closing for lock, and deficiency existing for this lockset is: fastness, poor reliability；Safety Not high, pick-proof and anti-theft performance is poor, and does not have self-locking function；Obturation effect is also bad simultaneously.

Chinese invention patent publication number CN1573002A discloses the tool box rotation door bolt applied by Reaton Corp., the U.S. Lock technology scheme, it is according in U.S. Patent number US6502871 (publication on January 7th, 2003), US6454321 (in September, 2002 Issue within 24th), the stringenter tool of requirement can not be applied to present in US5884948 (publication on March 23rd, 1999) Drawback on case and the improvement proposed, core is that the impacting pin of horizontal spreading is mutually nibbled with locking devicen on the lid by tool box It closes (cooperation), the key for enabling lock core component to rotate is rotated from the front of latch mechanism insertion handle, and in lock core component Tool box is bolted when to locked position and uses locking, to prevent locking bar from unclamping impacting pin, ensures locking effect.The technology The existing shortcoming of scheme is: being an entirety due to only leaning on rotating lock structure between case lid and cabinet, the load of rotating lock is past Toward larger and be easy to cause to damage；The binding site (face) of entire lockset and cabinet, case lid is excessively narrow, and stress is concentrated, there are lockset and The anxiety that cabinet or case lid mutually isolate and fall off；Overall structure is complex；Obturation effect is poor；Without self-locking function.

Chinese patent Authorization Notice No. CN2258219Y, CN2758032Y, CN2705278Y individually disclose entitled work Have a case lockset, the tool box with buckle structure, tool box buckle structure, these art solutions be directed to prior art and Though speech respectively has achievement, such as CN2258219Y utilizes the opening/closing so that push and block body can move freely or position, with control panel of number wheel Button could switching effect, thus reach by number wheel check mark in a manner of come control locking, unlock, have certain anti-theft function； For another example the mentality of designing of both CN2758032Y and CN2705278Y is substantially similar, and contacting piece structure has carried out rational modification.But It is that above-mentioned patent still all deposits applicant to shortcoming mentioned by CN1573002A.

Summary of the invention

The invention aims to provide one kind to can guarantee between cabinet and case lid in conjunction with firm, pick-proof and anti-theft performance is excellent It is different, with self-locking function, a kind of lockset for tool case that structure is simple, unlocking/locking is convenient and obturation effect is good.

The purpose of the present invention is in this way to reach, a kind of lockset for tool case, including one for being configured to case lid The lock housing gone, the centre of the lock housing offer through-hole along its length and are formed with panel, lock for the forward end of lock core hole, lock housing The rear end end of shell is formed with latch hook board mount, and lock tongue slot, lock core hole length direction are offered on the hole wall of the lock core hole Bottom along lock core hole radially protruding and be formed with fulcrum bearing and lock core locating flange；One lock core body is placed in the lock housing In lock core hole, it is provided with lock core and lock tongue among the front end of the lock core body length direction, is formed with and is used on the lock core For the keyhole of key inserting, the lock tongue and lock core are sequentially connected, and lock tongue can be achieved in lock core by the rotation of lock core Stretching motion on body, the rear end of the lock core body length direction it is narrow contracting and be formed with spring base, in the length direction of spring base On offer for for the lock core locating flange scarf sliding slot, be also formed with square toes in the tail portion of spring base；One is used for Make the spring that lock core body automatically resets, be set on the spring base of lock core body, and matches with fulcrum bearing touching；One push plate has square hole, Push plate is mounted on the square toes and is screwed by square hole；One lock crook plate is articulated in latch hook board mount by pin shaft On, it is formed on lock crook plate for pushing away foot and for the latch hook foot sealed with cabinet with what push plate cooperated；One for making latch hook The torsional spring that plate automatically resets, is mounted on pin shaft, has the first torsional spring foot and the second torsional spring foot, the first torsional spring foot and lock Hook plate is fixed, and the second torsional spring foot is fixed with latch hook board mount.

In a specific embodiment of the invention, the latch hook board mount has a pair, in a pair of of latch hook board mount It is upper to offer the pin shaft hole being pivotally connected for the both ends for the pin shaft respectively.

In another specific embodiment of the invention, the latch hook board mount has a pair, in a pair of of lock crook plate branch The first confined planes and the second confined planes are respectively formed on frame.

In another specific embodiment of the invention, the lock crook plate is distinguished in the upper end two sides of length direction It is formed with for the defining flange with the first confined planes or the cooperation of the second confined planes on a pair of of latch hook board mount.

In another specific embodiment of the invention, it is provided with sealing ring on the inside of the panel, the sealing ring It is set in lock housing.

In an of the invention and then specific embodiment, in the lock housing and close to offering plate at panel Slot is inserted with one for will realize the reed plate of fixed connection between lock housing and case lid in the plugboard trough.

In a still more specific embodiment of the invention, the centre of the reed plate, which offers, is used for and plate The jack of slot inserting.

Again and then in a specific embodiment, arcwall face is also formed on the reed plate of the invention.

Be formed in the lock housing in yet a further embodiment of the present invention for the arc The step surface of face cooperation.

The present invention due to one of after adopting the above structure, having the advantage that, due to mutually locked with lock housing the lock tongue matched and with The lock crook plate that cabinet locks together is respectively positioned in bin, so having good concealment, pick-proof and anti-theft is had excellent performance, and is used After double locking mode, the combination strong degree between cabinet and case lid can be further improved；Advantage two, turned round due to lock crook plate Under the action of spring, once external force eliminate can self-return and case lid and cabinet is again sealed, therefore with self-locking function；It is excellent Point three, match by the lock of lock tongue and lock housing and lock crook plate and cabinet it is sealed, the linking part between cabinet and case lid can be made Position is expanded, and the service life of lockset is conducive to extend；Advantage four, unlocking/lock operation it is laborsaving, conveniently, structure is simple； Advantage five, the obturation effect between cabinet and case lid it is good.

Detailed description of the invention

Fig. 1 is one embodiment of the invention structure chart.

Fig. 2 is the application examples schematic diagram that the present invention is installed on Toolbox cabinet.

In figure: 1. lock core bodies, 11. lock cores, 111. keyholes, 12. lock tongues, 13. spring bases, 131. sliding slots, 132. square toes； 2. lock housing, 21. lock core holes, 22. panels, 23. lock tongue slots, 24. fulcrum bearings, 25. lock core locating flanges, 26. latch hook board mounts, 261. pin shaft holes, 262. first confined planes, 263. second confined planes, 27. plugboard troughs, 28. step surfaces；3. lock crook plate, 31. latch hooks Foot, 32. push away foot, 33. defining flanges, 34. pin shafts；4. torsional spring, 41. first torsional spring feet, 42. second torsional spring feet；5. screw；6. pushing away Plate, 61. square holes；7. sealing ring, 8. reed plates, 81. jacks, 82. arcwall faces, 83. another sides；9. spring；10. key； 20. case lid；30. cabinet, 301. hook locks.

Specific embodiment

In order to enable the auditor especially public of Patent Office that technical spirit of the invention is more clearly understood and have Beneficial effect, applicant will elaborate in conjunction with attached drawing by way of examples below, but not to the description of embodiment It is the limitation to the present invention program, is only formal but not substantive equivalent made by any design according to the present invention Transformation is regarded as technical solution of the present invention scope.

Please refer to attached drawing, a kind of lockset for tool case, including lock housing 2, lock core body 1, spring 9, push plate 6, lock crook plate 3, Torsional spring 4, sealing ring 7 and reed plate 8.The centre of the lock housing 2 offers through-hole along its length, which is for installing The lock core hole 21 of lock core body 1, the lock housing 2 are formed with expansion in the forward end of length direction and set face as panel 22, the panel 22 during installation convenient for fixing being coupled between lock housing and case lid, and the lock housing 2 is formed in the rear end end of length direction Latch hook board mount 26, the latch hook board mount 26 have a pair, are respectively formed with the first limit on a pair of of latch hook board mount 26 Face 262, the second confined planes 263 and pin shaft hole 261 offer lock tongue slot 23, the lock on the hole wall of the lock core hole 21 Core bore 21 is formed with fulcrum bearing 24 and lock core locating flange 25 along the radially protruding of lock core hole in the bottom of length direction, described The quantity of lock core locating flange 25 can be 1 or 1 or more, in the lock housing 2 and close to also being formed at panel 22 There are plugboard trough 27 and step surface 28.The lock core body 1 is mounted in the lock core hole 21 of lock core body 1, in 1 length direction of lock core body Front end among be provided with lock core 11 and lock tongue 12, be formed on the lock core 11 for the keyhole for key inserting 111, the lock tongue 12 and lock core 11 are sequentially connected, and lock tongue 12 can be achieved on lock core body 1 by the rotation of lock core 11 Extended or retracted movement.Herein it should be understood that due to equal in usually used ordinary lock (such as door lock, Safe lock) With a set of latch mechanism being made of lock core and lock tongue, the purpose is to drive lock tongue to make stretching motion by the rotation of lock core, To realize to the lock locking/unlocking of lock body, so belong to well-known technique, and lock core and the connection type of lock tongue between the two be not by appointing What is limited, and is also not belonging to invention which is intended to be protected.The rear end of 1 length direction of lock core body it is narrow contracting and be formed with spring Seat 13, opens up sliding slot 131, the quantity and positional relationship of sliding slot 131 should be with lock core convexes on the length direction of spring base 13 The quantity and positional relationship of edge 25 are corresponding, can effectively prevent lock shell 1 by the scarf of sliding slot 131 and lock core locating flange 25 Rotation in lock core hole 21, while playing the guiding role to the moving forward and backward in lock housing 2 of lock core body 1.The spring base 13 Tail portion also it is narrow contracting and be formed with a square toes 132, meanwhile, in order to facilitate the installation of, use should be opened up in advance in the centre of the square toes 132 In the screw hole being screwed into for the screw 5.The spring 9 be set on the spring base 13 of lock core body 1 and in lock housing 2 The touching of fulcrum bearing 24 is matched, and the effect of spring 9 is that lock core body 1 is made to be able to achieve reset.Square hole 61, push plate 6 are offered in the push plate 6 It is mounted on by square hole 61 on the square toes 132 and with screw 5 that both push plate 6 and square toes 132 is fixed.The lock crook plate 3 Shape be substantially in F shape, be formed on lock crook plate 3 for pushing away foot 32 and for the lock sealed with cabinet with what push plate 6 cooperated The lower end of 3 length direction of lock crook plate is arranged in hook foot 31 and a pair of of defining flange 33, latch hook foot 31, pushes away the setting of foot 32 and is locking At the nearly medium position of 3 length direction of hook plate, the upper end two sides of 3 length direction of lock crook plate are arranged in a pair of of defining flange 33, Lock crook plate 3 is articulated on a pair of of latch hook board mount 26 by pin shaft 34, and torsional spring 4 is set on pin shaft 34, and pin shaft 34 is on being arranged After torsional spring 4, both ends are each passed through the through-hole on lock crook plate 3 and are pivotally connected with the pin shaft hole 261 on a pair of of latch hook board mount 26, turn round The the first torsional spring foot 41 and lock crook plate 3 of spring 4 are fixed, and the second torsional spring foot 42 and latch hook board mount 26 of torsional spring 4 are fixed.Described is close The inside of panel 22 is arranged in seal 7, and is set in lock housing 2.The reed plate 8 is actually a circlip, is used for Realize the fixing between lock housing 2 and case lid, be formed on the reed plate 8 for 27 inserting of plugboard trough jack 81, be used for The arcwall face 82 cooperated with step surface 28 and the another side 83 for cooperating with case lid lid.

It please refers to Fig. 1 and combines Fig. 2, the narration present invention is such to installation: the lock housing of lockset 2 being inserted into tool first In the lockhole opened up in advance on the case lid 20 of bin, and the panel 22 in lock housing 2 is made to be located at the outside of 20 lid of case lid, and panel The sealing ring 7 of 22 insides is tightly attached on the lid in 20 outside of case lid, is then inserted into reed plate 8 from the inside of 20 lid of case lid In the plugboard trough 27 of lock housing 2, and it is tightly attached to the arcwall face 82 on reed plate 8 on step surface 28, and it is another on reed plate 8 One side 83 is tightly attached on the lid of 20 inside of case lid, so that entire lockset is fixed on the case lid 20 of Toolbox cabinet, is installed It is very convenient.

Herein it should be understood that not being by the method that lockset is fixed on case lid 20 above by reed plate 8 Uniquely, for example, the present invention may be omitted with reed plate 8, case lid is directly fixed by screws in by the panel 22 in lock housing 2 On 20 lid.

Please continue to refer to Fig. 1 and Fig. 2 is combined, sketches the working principle of the invention: outside the stretching lock core body 1 of lock tongue 12, with When lock tongue slot 23 in the lock housing 2 matches, lock core body 1 cannot be pushed at this time, and lock is in close state.When key 10 is inserted Enter in keyhole 111 and be rotated clockwise, make lock core 11 that key 10 be followed to rotate together, the rotation of lock core 11 drives simultaneously Lock tongue 12 makes lock tongue 12 be detached from the cooperation with lock tongue slot 23 to 1 contract of lock core body, then pushing lock cylinder body 1 inwards, makes to fix Push plate 6 on the square toes 132 of 1 rear end of lock core body moves backward, by push plate 6 passes to thrust and to match with push plate 6 Foot 32 is pushed away, lock crook plate 6 is opened, and lock crook plate 3 is forced to be rotated clockwise around pin shaft 34, makes the latch hook on lock crook plate 3 Foot 31 is detached from matches with the lock of the hook lock 301 on cabinet 30, lock is opened, while by a pair of of defining flange 33 on lock crook plate 3 Cooperation with the second confined planes 263 on a pair of of latch hook board mount 26 controls the maximum open angle of lock crook plate 3.When not pushing away When power is applied on lock core body 1, lock core body 1 returns on original position under the action of 9 restoring force of spring, equally, lock crook plate 3 Make anticlockwise rotation around pin shaft 34 under the action of 4 restoring force of torsional spring, make latch hook foot 31 on lock crook plate 3 again with case 301 phase of hook lock lock on body 30 is matched, and by the on a pair of of the defining flange 33 and a pair of of latch hook board mount 26 on lock crook plate 3 The position of one confined planes 262 cooperated to keep lock crook plate 3 makes between lock crook plate 3 and cabinet 30 always in locked state.

To sum up, the present invention is due to after adopting the above structure, after external force revocation can automatic locking, thus there is self-locking function Energy.

Claims (9)

1. a kind of lockset for tool case, it is characterised in that the lock housing (2) to get on including one for being configured to case lid, the lock housing (2) centre offers through-hole along its length and is formed with panel (22), lock for the forward end of lock core hole (21), lock housing (2) The rear end end of shell (2) is formed with latch hook board mount (26), and lock tongue slot (23) are offered on the hole wall of the lock core hole (21), The bottom of lock core hole (21) length direction along lock core hole radially protruding and be formed with fulcrum bearing (24) and lock core locating flange (25)；One lock core body (1) is placed in the lock core hole (21) of the lock housing (2), in the front end of lock core body (1) length direction Between be provided with lock core (11) and lock tongue (12), be formed on the lock core (11) for the keyhole (111) for key inserting, The lock tongue (12) and lock core (11) is sequentially connected, and lock tongue (12) can be achieved in lock core body by the rotation of lock core (11) (1) stretching motion on, the rear end of lock core body (1) length direction it is narrow contracting and be formed with spring base (13), in spring base (13) it is offered on length direction for the sliding slot (131) for described lock core locating flange (25) scarf, in spring base (13) tail portion is also formed with square toes (132)；One spring (9) for making lock core body (1) automatically reset is set in lock core body (1) on spring base (13), and match with fulcrum bearing (24) touching；One push plate (6), has square hole (61), and push plate (6) passes through square hole (61) it is mounted on the square toes (132) and fixed with screw (5)；One lock crook plate (3) is articulated in latch hook by pin shaft (34) On board mount (26), it is formed on lock crook plate (3) for pushing away foot (32) and for sealed with cabinet with what push plate (6) cooperated Latch hook foot (31)；One torsional spring (4) for making lock crook plate (3) automatically reset is mounted on pin shaft (34), has the first torsional spring foot (41) it is fixed with the second torsional spring foot (42), the first torsional spring foot (41) and lock crook plate (3), the second torsional spring foot (42) It is fixed with latch hook board mount (26).

2. a kind of lockset for tool case according to claim 1, it is characterised in that the latch hook board mount (26) has A pair offers the pin shaft hole being pivotally connected for the both ends for the pin shaft (34) respectively on a pair of of latch hook board mount (26) (261)。

3. a kind of lockset for tool case according to claim 1, it is characterised in that the latch hook board mount (26) has A pair is respectively formed with the first confined planes (262) and the second confined planes (263) on a pair of of latch hook board mount (26).

4. a kind of lockset for tool case according to claim 3, it is characterised in that the lock crook plate (3) is in length side To upper end two sides be respectively formed with for on a pair of of latch hook board mount (26) the first confined planes (262) or second limit The defining flange (33) of face (263) cooperation.

5. a kind of lockset for tool case according to claim 1, it is characterised in that set on the inside of the panel (22) Sealing ring (7) are equipped with, which is set on lock housing (2).

6. a kind of lockset for tool case according to claim 1, it is characterised in that in the lock housing (2) and close to Plugboard trough (27) are offered at panel (22), be inserted in the plugboard trough (27) one for by lock housing (2) and case lid it Between realize fixed connection reed plate (8).

7. a kind of lockset for tool case according to claim 6, it is characterised in that the centre of the reed plate (8) It offers for the jack (81) with plugboard trough (27) inserting.

8. a kind of lockset for tool case according to claim 6, it is characterised in that go back shape on the reed plate (8) At there is arcwall face (82).

9. a kind of lockset for tool case according to claim 8, it is characterised in that formed in the lock housing (2) useful In the step surface (28) with arcwall face (82) cooperation.