CN101144357B

CN101144357B - Special-purpose machinery theft-proof lock for cabinet

Info

Publication number: CN101144357B
Application number: CN2007100709836A
Authority: CN
Inventors: 陆颂荫
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-08-21
Filing date: 2007-08-21
Publication date: 2010-12-01
Anticipated expiration: 2027-08-21
Also published as: CN101144357A

Abstract

The invention discloses a box cabinet special-purpose mechanical anti-theft lock, and comprises a lock body, a lock column and a lock head, the lock body is an integration pouring cast steel lock body, the lock column is an upper lock column (6) and a lower lick column (10) braced out by a spring (21) and a spring (22), the lock column is respectively matched in an upper lock column hole and a lower lock column hole of the cast steel lock body in a horizontal way, the lock head adopts a marble lock head (8) with an axial direction rotating type marble hole, a device that simultaneously toggles the upper lock column (6) and the lower lick column (10) from the same direction, and enables the upper lock column (6) and the lower lick column (10) to be completely retracted in the upper lock column and the lower lock column of the cast steel lock body (7) is arranged at the tail end of the marble lock head (8); a device that automatically positions the upper lock column (6) and the lower lick column (10) and releases the position when the upper lock column (6) and the lower lick column (10) is completely retracted in the upper lock column and the lower lock column of the cast steel lock body (7) is arranged in the cast steel lock body (7) and the marble lock head (8). The whole lock body structure of the lock is stable, the structure is simple, the manufacturer cost is lower, and the key can not be matched, and the anti-theft effect is good.

Description

Special-purpose machinery theft-proof lock for cabinet

Technical field

The present invention relates to a kind of lock, specifically is a kind of special-purpose machinery theft-proof lock for cabinet.

Background technology

The bin theftproof lock of prior art generally adopts the matching used structure of mechanical lock and electronic lock or coded lock.And the special-purpose machinery theft-proof lock for cabinet of prior art is of a great variety, and structure is different.But understand according to the applicant, the special-purpose machinery theft-proof lock for cabinet of prior art still has following deficiency: 1, the lockset component generally are the inner surfaces that all is contained in steel plate, especially lock is general short and only pass the right angle crimping of steel plate one end and the lock cylinder aperture that enters the bin frame, its structure seems thiner, location intensity is also not enough, if destroy by force, still might be opened, its anti-theft effect and safety are still undesirable.2, its structure is generally still complicated, and manufacture craft is loaded down with trivial details, and manufacturing cost is higher.3, its tapered end and the key that matches with it are still S type, cross, blossom type, the general structure in market such as half-moon-shaped, the personnel that they still can not be stopped except that manufacturer prepare key, so, still exist its key by imitative joining and the potential safety hazard that quilt cover is unblanked is that anti-theft effect and safety are still undesirable equally.

Summary of the invention

The technical problem to be solved in the present invention is, overcome the shortcoming of above prior art, provide a kind of whole lock body structure firmly, location intensity height, simple in structure, manufacturing cost is lower, and violence damage is difficult to open lock and can't imitates bitting and overlap and unblank, have the desirable anti-theft effect and the special-purpose machinery theft-proof lock for cabinet of safety.

Technical solution of the present invention is, a kind of special-purpose machinery theft-proof lock for cabinet with following structure is provided, comprise lock body, lock and tapered end, described lock body is integrated poured cast steel lock body, described lock is last long lock and following long lock, last long lock and following long lock sliding fit respectively have in the upper and lower lock cylinder aperture of upward long lock and the following free-ended end opposite of long lock to make long lock and following long lock free end stretch out the outer spring of cast steel lock body one end all the time when being release conditions in the upper and lower lock cylinder aperture of cast steel lock body; Described tapered end adopts the ball lock head with axial rotary ball hole, the axis normal of the axis of ball lock head and last long lock and following long lock; The tail end of ball lock head has to be stirred long lock and following long lock in the same way simultaneously and makes its all interior device of upper and lower lock cylinder aperture of withdrawal cast steel lock bodies; The cast steel lock body has when last long lock and will go up long lock when down long lock is all withdrawn in the upper and lower lock cylinder aperture of cast steel lock body automatically and device that down long lock is located; The device of releasing to last long lock and down long lock location arranged in the tail end of ball lock head and the cast steel lock body.

After adopting above structure, special-purpose machinery theft-proof lock for cabinet of the present invention compared with prior art has following remarkable advantage and beneficial effect:

1, because the lock body of special-purpose machinery theft-proof lock for cabinet of the present invention is the cast steel making, when lock is in locking states, the most of length of upper and lower long lock is positioned at the lock cylinder aperture of cast steel lock body, so, whole lock body structure is firm, and location intensity height is even take destructive meanss of destruction such as sled, hammering also lock can't to be opened, its anti-theft effect is very desirable, and its safety is very strong.

2, because compact conformation, the component of special-purpose machinery theft-proof lock for cabinet of the present invention are less, so, its structure is very simple, its manufacturing process is also simple, promptly open to its lock of direction rotation tapered end with key, rotate its lock of tapered end round about with key and promptly close, operation is very easy, and manufacturing cost is low relatively, low price.

3, because the ball lock head that special-purpose machinery theft-proof lock for cabinet of the present invention adopts the special-purpose machinery theft-proof lock for cabinet of prior art never to adopt with axial rotary ball hole, the user who buys this lock needs configuration key to get in touch with original production producer, process configuration by original production producer according to the computer numbering of original key, so, substantially the potential safety hazard of having stopped imitative bitting and having unblanked guarantees that the user has the very high sense of security.

Description of drawings

Fig. 1 is main TV structure (when spring the is release conditions) partial schematic sectional view of special-purpose machinery theft-proof lock for cabinet of the present invention.

Fig. 2 is the side sectional structure schematic diagram of special-purpose machinery theft-proof lock for cabinet of the present invention.

Fig. 3 is sectional structure (when spring the is compressive state) schematic diagram of the A-A line in Fig. 2.

Fig. 4 is backsight broken section structure (when lock all is retracted in the lock cylinder aperture) schematic diagram among Fig. 2.

Shown in the figure 1, the end face shrouding, 2, lock-screw, 3, lock-screw, 4, dog screw, 5, dog screw, 6, last lock, 7, the cast steel lock body, 8, tapered end, 9, spring, 10, following lock, 11, finger, 12, spring, 13, latch, 131, the first arc piece, 1311, first projection, 14, big swing arm, 15, the center swing arm, 16, jump ring, 17, square column, 18, little swing arm, 19, hinge pin, 20, finger, 21, spring, 23, latch, 231, the second arc piece, 2311, second projection, 24, pin-and-hole, 25, pin-and-hole, 26, endoporus, 27, horizontal slotted hole, 28, horizontal slotted hole, 29, interior cover, 30, screw hole, 31, screw hole.

The specific embodiment

Below in conjunction with the drawings and specific embodiments special-purpose machinery theft-proof lock for cabinet of the present invention is described in further detail.

As Fig. 1～shown in Figure 4.

Special-purpose machinery theft-proof lock for cabinet of the present invention comprises lock body, lock and tapered end.Described lock body is integrated poured cast steel lock body 7, and described lock is last long lock 6 and following long lock 10, and upward long lock 6 and down long lock 10 difference sliding fits are in the upper and lower lock cylinder aperture of the level of cast steel lock body 7.Have in the upper and lower lock cylinder aperture of last long lock 6 and following long lock 10 free-ended end opposite and can make long lock 6 and following long lock 10 free ends stretch out the

outer spring

21,22 of cast steel lock body 7 one ends all the time when being release conditions.

Described tapered end adopts the ball lock head 8 with axial rotary ball hole.Because it is open in detail that the particular content of this ball lock head 8 has been done in the notice of authorization number patent formerly for the applicant of CN2830584Y, and the present invention only relates to its annexation, so the concrete structure and the operating principle of this ball lock head 8 do not repeat them here.The axis normal of the axis of ball lock head 8 and last long lock 6 and following long lock 10.Ball lock head 8 is connected with dog screw 5 through dog screw 4 with cast steel lock body 7, the detent (not shown) that has the head with dog screw 4 and dog screw 5 to match on the tapered end 8 external walls, the

screw hole

30,31 parallel that dog screw 4 and dog screw 5 are positioned at cast steel lock body 7 with last long lock 6 and down long lock 10, it is bin door when being in closed condition that lock is in the lock state, and screw 4 and screw 5 can't unscrew.

The tail end of ball lock head 8 has to be stirred long lock 6 and following long lock 10 in the same way simultaneously and makes its all interior device of upper and lower lock cylinder aperture (unmarked among the figure) of withdrawal cast steel lock bodies 7; Cast steel lock body 7 had when time in the upper and lower lock cylinder aperture of last long lock 6 and down long lock 10 whole withdrawal cast steel lock bodies 7 will go up the device of long lock 6 and down long lock 10 location automatically; The device of releasing to last long lock 6 and down long lock 10 location arranged in the tail end of ball lock head 8 and the cast steel lock body 7.

The tail end of described ball lock head 8 has the device in the upper and lower lock cylinder aperture of stirring long lock 6 and following long lock 10 in the same way simultaneously and making its cast steel lock bodies 7 of all withdrawing to refer to: the intrinsic big swing arm 14 of the tail end of the ball lock head 8 in cast steel lock body 7, big swing arm 14 upper ends away from last long lock 6 free-ended sides be fixed on long lock 6 on and relative (promptly face, under the together) side that can drive the finger 11 of long lock 6 horizontal slips can contact to formula; The inclined-plane of big swing arm 14 lower ends can support formula with the ramp of little swing arm 18 on being hinged on cast steel lock body 7 and contact, the lower inclined plane of little swing arm 18 be fixed on down long lock 10 on and can drive the opposite flank of the finger 20 of long lock 10 horizontal slips to contact to formula; Horizontal slotted hole 27 and horizontal slotted hole 28 for finger 11 and finger 20 horizontal slips are arranged on the hole wall of the upper and lower lock cylinder aperture of cast steel lock body 7 inner surfaces.In the intrinsic big swing arm 14 of the tail end of described ball lock head 8, its concrete structure is, the tail end of ball lock head 8 is a square column 17, the square hole (unmarked among the figure) that the centre bore of big swing arm 14 matches for square column 17 shapes with the tail end of ball lock head 8, the square hole of big swing arm 14 are enclosed within on the square column 17 of tail end of ball lock head 8.Restricted big swing arm 14 axial guest performers' jump ring 16 on the square column 17 of big swing arm 14 external surfaces.The described concrete structure that is hinged on the little swing arm 18 on the cast steel lock body 7 is, the hole in vertical centre position that is the little swing arm 18 of berrette file shape (referring to Fig. 4) can be around fixing as hinge pin 19 rotations of swelling in cast steel lock body 7 inner surface apertures (unmarked among the figure), the axis of hinge pin 19 is parallel with the axis extended line of ball lock head 8, and promptly hinge pin 19 is parallel with the tail end square column 17 of ball lock head 8.

Have the device that when last long lock 6 and down long lock 10 are all in the upper and lower lock cylinder aperture of withdrawal cast steel lock bodies 7, will go up long lock 6 and down long lock 10 location automatically to refer in the described cast steel lock body 7: have in the cast steel lock body 7 vertical endoporus can in the hole, slide on latch 13 and play latch 23, have on last latch 13 and following latch 23 cylindricals to make latch 13 and following latch 23 push against the spring 12 and the spring 9 of long lock 6 cylindricals and following long lock 10 cylindricals respectively when being release conditions.Its concrete structure is, the head of last latch 13 and following latch 23 is the step-like of concentric reducer, one end of spring 12 and spring 9 is against on the interior ring end face of above-mentioned step major part, and the other end of spring 12 and spring 9 is spacing by being located at the interior cover 29 that stopping means in the cast steel lock body 7 such as utilization be located in the endoporus 26.The bottom of last long lock 6 and down the top of long lock 10 have respectively when on long lock 6 and down long lock 10 keep supplying pin-and-hole 24 and the pin-and-hole 25 that latch 13 and following latch 23 insert respectively when all withdrawing in the cast steel lock bodies 7.Have releasing that the device of last long lock 6 and down long lock 10 location is referred in the tail end of described ball lock head 8 and the cast steel lock body 7: to be fixed with a strip center swing arm 15 on the big tail end of swing arm 14 inner surfaces with the ball lock head 8 in the endoporus 26 of interior cast steel lock body 7: the square hole (unmarked among the figure) that the centre bore of center swing arm 15 matches for tail end square column 17 shapes with ball lock head 8, the centre bore of center swing arm 15 are enclosed within on the square column 17 of ball lock head 8 tail ends of big swing arm 14 inner surfaces.The tail end of last latch 13 and play latch 23 has the first arc piece 131 and second an arc piece 231 that matches with endoporus 26 interior toroidals respectively, the tail end of arc piece has first projection 1311 and second projection 2311 respectively, swing arm 15 epimeres in described center contact with the opposite flank of described first projection 1311 formula of can supporting towards the side of the described first arc piece 131, and swing arm 15 hypomeres in described center contact with the opposite flank of described second projection 2311 formula of can supporting towards the side of the described second arc piece 231.

Section shrouding 1 one ends are buckled on the cast steel lock body 7, and the other end is fixed tightly on the end face of cast steel lock body 7 by lock-

screw

3,4.

The operating principle of special-purpose machinery theft-proof lock for cabinet of the present invention is as follows:

When unblanking promptly to open the bin door, key is inserted in the lock core hole of ball lock head 8, be pushed into the end to a direction (being counterclockwise among Fig. 1) rotation, big swing arm 14 is with square column 17 rotations of ball lock head 8 afterbodys, little swing arm 18 is promoted along with big swing arm 14 is rotated in the same way simultaneously by big swing arm 14, finger 11 is stirred in big swing arm 14 and little swing arm 18 and finger 20 levels move in the same way, the elastic force that long lock 6 and following long lock 10 overcome spring 21 and spring 22 in the drive shrinks in cast steel lock body 7, in the time of when last long lock 6 is all withdrawn cast steel lock bodies 7 with down long lock 10 in, last latch 13 and play latch 23 be alignment pin holes 24 and pin-and-hole 25 and pushed in pin-and-hole 24 and the pin-and-hole 25 by spring 12 and spring 9 respectively and long lock 6 and following long lock 10 are gone up in locking just in time, this moment, lock and bin door were in opening, and pulling the door open gets final product.

When the bin door is promptly closed in locking, the bin door is drawn close, key is inserted in the lock core hole of ball lock head 8, be pushed into the end (being clockwise among Fig. 1) rotation round about, center swing arm 15 is with square column 17 rotations of ball lock head 8 afterbodys, first projection 1311 and second projection 2311 of the tail end of latch 13 and following latch 23 stirred in center swing arm 15 simultaneously, make the head of latch 13 and following latch 23 withdraw from long lock 6 and the pin-and-hole 24 and the pin-and-hole 25 that descend long lock 10, long lock 6 and following long lock 10 are under the promotion of spring 21 and spring 22 spring forces on this moment, insert in the lock cylinder aperture of bin frame, bin is locked.

Key is got back to the predetermined breach of lock core hole after finishing keying work, extract key out and get final product.

The present invention not only is confined to above embodiment, its concrete structure allows variation, as: as described between ball lock head 8 and the cast steel lock body 7 except that above-mentioned removable the connection, can be also that non-disconnectable formula connects as described

dog screw

4,5 can be replaced maybe can adopting the combined outside place welded structure etc. of ball lock head 8 and cast steel lock body 7 by location tapering pin; The position of large and small swing arm is interchangeable; The shape in the hole of the shape of ball lock head 8 tail ends and big swing arm 14 and the hole of center swing arm 15 can be rectangle or polygon, and also available trip bolt etc. replaces jump ring 16; Large and small swing arm and center swing arm are meeting under the prerequisite of above requirement, also can be other concrete shapes; Or the like.More than these change all in protection scope of the present invention.

Claims

1. special-purpose machinery theft-proof lock for cabinet, comprise lock body, lock and tapered end, it is characterized in that: described lock body is integrated poured cast steel lock body (7), described lock is last long lock (6) and following long lock (10), last long lock (6) and following long lock (10) difference sliding fit are on cast steel lock body (7), in the following lock cylinder aperture, on upward long lock (6) and the following free-ended end opposite of long lock (10), have in the following lock cylinder aperture and can make long lock (6) and following long lock (10) free end stretch out the outer spring (21 of cast steel lock body (7) one ends all the time when being release conditions, 22); Described tapered end adopts the ball lock head (8) with axial rotary ball hole, the axis normal of the axis of ball lock head (8) and last long lock (6) and following long lock (10); The tail end of ball lock head (8) has to be stirred long lock (6) and following long lock (10) in the same way simultaneously and makes its all interior device of upper and lower lock cylinder aperture of withdrawal cast steel lock bodies (7); The device that cast steel lock body (7) has when last long lock (6) and will go up long lock (6) automatically and descend long lock (10) to locate when down long lock (10) is all withdrawn in the upper and lower lock cylinder aperture of cast steel lock body (7); The device of releasing to last long lock (6) and following long lock (10) location arranged in the tail end of ball lock head (8) and the cast steel lock body (7).

2. special-purpose machinery theft-proof lock for cabinet according to claim 1, it is characterized in that: the tail end of described ball lock head (8) has the device in the upper and lower lock cylinder aperture of stirring long lock (6) and following long lock (10) in the same way simultaneously and making its cast steel lock bodies (7) of all withdrawing to refer to, the intrinsic big swing arm of tail end (14) of the ball lock head (8) in cast steel lock body (7), the upper end of big swing arm (14) away from the free-ended side of last long lock (6) be fixed on long lock (6) on and the opposite flank that can drive the finger (11) of long lock (6) horizontal slip can contact to formula; The inclined-plane of big swing arm (14) lower end can support formula with the ramp of little swing arm (18) on being hinged on cast steel lock body (7) and contact, the lower inclined plane of little swing arm (18) be fixed on down long lock (10) and can contact to formula the opposite flank of the finger (20) of long lock (10) horizontal slip upward and under driving; Horizontal slotted hole (27,28) for finger 11 and finger 20 horizontal slips is arranged on the hole wall of the upper and lower lock cylinder aperture of cast steel lock body 7 inner surfaces.

3. special-purpose machinery theft-proof lock for cabinet according to claim 1, it is characterized in that: have in the described cast steel lock body (7) when last long lock (6) and time long lock (10) all withdraw cast steel lock body (7) on, automatically the device that will go up long lock (6) and following long lock (10) location in the time of in the following lock cylinder aperture refers to, have in the vertical endoporus of cast steel lock body (7) can in the hole, slide on latch (13) and following latch (23), there are to make latch (13) and following latch (23) push against long lock (6) cylindrical and down spring (12) and the spring (9) of long lock (10) cylindrical respectively when being release conditions the pin-and-hole (24) and the pin-and-hole (25) that have the head of when last long lock (6) and following long lock (10) are all withdrawn in the cast steel lock body (7), keeping supplying latch (13) and following latch (23) to insert respectively on the top of the bottom of last long lock (6) and following long lock (10) respectively on last latch (13) and following latch (23) cylindrical.

4. according to claim 1 or 2 or 3 described special-purpose machinery theft-proof lock for cabinet, it is characterized in that: have releasing that the device of last long lock (6) and following long lock (10) location is referred in the tail end of described ball lock head (8) and the cast steel lock body (7), on the big tail end of swing arm (14) inner surface, be fixed with a center swing arm (15) with the ball lock head (8) in the endoporus (26) of interior cast steel lock body (7), the posterior segment of last latch (13) and following latch (23) has the first arc piece (131) and second an arc piece (231) that matches with the interior toroidal of endoporus (26) respectively, the tail end of two arc pieces has first projection (1311) and second projection (2311) respectively, described center swing arm (15) epimere contacts with the opposite flank of described first projection (1311) formula of can supporting towards the side of the described first arc piece (131), and described center swing arm (15) hypomere contacts with the opposite flank of described second projection (2311) formula of can supporting towards the side of the described second arc piece (231).