CN209308571U - A kind of theftproof lock - Google Patents

Abstract

The utility model relates to such a theftproof locks, including lock panel, lock housing, handle, lock core, square tongue and latch bolt, the side of lock housing is arranged in the lock panel, the handle, lock core, square tongue and latch bolt are arranged in lock housing, handle rotating part is provided in the lock housing, the handle is arranged on handle rotating part, the upper end of the handle rotating part is provided with interlocking bar, hydraulic damping device is set in the interlocking bar, the lower end of the handle rotating part is provided with STATEMENT OF FEDERALLY SPONSORED, closing piece is provided with above the lock core, the both ends of the STATEMENT OF FEDERALLY SPONSORED are connect with handle rotating part and closing piece respectively, the interlocking bar is connected with handle rotating part, one end of the interlocking bar extends in latch bolt, other end is connected with lock housing.The utility model use hydraulic damping and high-strength magnetic device, hydraulic damping into and out of work as a buffer, magnetic force does not demagnetize for a long time, improve product service life.

Description

A kind of theftproof lock

Technical field

The utility model relates to a kind of theftproof locks.

Background technique

Currently, the lock body provided in the market generally comprises lock housing, lock core and the lock tongue that can be pierced by lock housing, lock core, which is equipped with, to be dialled Block, key insertion lock core simultaneously rotate shifting block, and shifting block and lock tongue cooperation make lock tongue stretch out lock housing or retraction lock housing, unlocked with to reach or The purpose of locking, this lock body safety is poor, easily stolen.

Summary of the invention

In view of this, place, the utility model provide a kind of theftproof lock to solve the above problems in view of the above-mentioned deficiencies.

In order to achieve the goal above, the utility model use such a theftproof lock, including lock panel, lock housing, handle, The side of lock housing, the handle, lock core, square tongue and latch bolt setting is arranged in lock core, square tongue and latch bolt, the lock panel In lock housing, handle rotating part is provided in the lock housing, the handle is arranged on handle rotating part, the handle rotating part Upper end be provided with interlocking bar, hydraulic damping device is set in the interlocking bar, and the lower end of the handle rotating part is provided with connection Moving part is provided with closing piece above the lock core, and the both ends of the STATEMENT OF FEDERALLY SPONSORED are connect with handle rotating part and closing piece respectively, described Interlocking bar is connected with handle rotating part, and one end of the interlocking bar extends in latch bolt, and other end is connected with lock housing, institute It states and is provided with the first high-strength magnetic device and high-strength magnetic deinstall in lock panel, the first high-strength magnetic device is arranged in latch bolt Side, be provided with the second high-strength magnetic device below the latch bolt.

In above-mentioned technical proposal, when door leaf is opened, latch bolt turns when handle is pushed according to handle rotating part clockwise Dynamic, the top and bottom of handle rotating part can rotate clockwise at this time, but due to the effect of hydraulic damping device, it will originally The interlocking bar moved to the right moves to the left, so that interlocking bar moves latch bolt towards the first high-strength magnetic device side, passes through Magnetic force is attracted, and latch bolt is hidden into lock panel；When the door leaf is closed, in the work of hydraulic damping device and high-strength magnetic deinstall Under, latch bolt rapidly stretches out lock panel and door leaf is locked, and above-mentioned setting can be avoided latch bolt and touch doorframe at closing time, mentions High product service life also can be avoided latch bolt touching doorframe at closing time and issue audible noise, carry out mute set to product It sets；Latch bolt can also be reduced to people's damage as caused by accidentally.

The utility model is further arranged the interlocking bar and includes interlocking bar main body, is arranged in the interlocking bar body tail section Connecting pin, the mobile terminal of the interlocking bar body head is set, the hydraulic damping device is arranged in the interlocking bar master In vivo, offset setting between the connecting pin and lock housing, and the two sides in the interlocking bar main body are provided with limit base, the handle The upper end of rotating member is arranged between connecting pin and limit base.

The reliable mobile that ensure that interlocking bar in above-mentioned technical proposal realizes the kinetic stability of latch bolt, is limited by setting Position seat limits handle rotating part.

The utility model, which is further arranged in the lock housing, is provided with the first pin shaft, the second pin shaft and third pin shaft, institute It states the first pin shaft and STATEMENT OF FEDERALLY SPONSORED links, second pin shaft and square tongue link, and the third pin shaft and closing piece link.

The first through hole and second being additionally provided in the lock housing with the cooperation of the first pin shaft is further arranged in the utility model Second through-hole of pin shaft cooperation and the third through-hole cooperated with third pin shaft.

By the first pin shaft and first through hole in above-mentioned technical proposal, realize reliable between STATEMENT OF FEDERALLY SPONSORED and handle rotating part Linkage, the reliable mobile of square tongue is realized by the second pin shaft and the second through-hole, realizes closing piece by third pin shaft and third through-hole Reliable mobile.

The inner top side that the square tongue is further arranged in the utility model is provided with fixture block, and lower end is provided with locked groove.

It is adapted to locked groove when lock core is inserted into key in above-mentioned technical proposal by the way that fixture block is arranged in the upper end of square tongue It is mobile.

The both ends that the handle rotating part is further arranged in the utility model are provided with limiting device.

The limitation that setting limiting device rotates it at the both ends of handle rotating part in above-mentioned technical proposal.

The utility model, which is further arranged above the closing piece, is provided with sliding piece and reset spring, the sliding piece It is connected with lock core.

Sliding piece and lock core are arranged in above-mentioned technical proposal to link, reset spring for realizing square tongue Rapid reset.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model embodiment.

Fig. 2 is schematic diagram when the utility model embodiment door leaf is opened.

Fig. 3 is schematic diagram when the utility model embodiment door leaf is closed.

The reference numerals are as follows: 1, lock panel；2, lock housing；3, handle；4, lock core；41, closing piece；5, square tongue；51, block Block；52, locked groove；6, latch bolt；7, handle rotating part；8, interlocking bar；8a, hydraulic damping device；81, interlocking bar main body；82, it connects End；83, mobile terminal；9, STATEMENT OF FEDERALLY SPONSORED；10, the first high-strength magnetic device；11, high-strength magnetic deinstall；12, the first pin shaft；13, the second pin Axis；14, third pin shaft；15, first through hole；16, the second through-hole；17, third through-hole；18, limiting device；19, sliding piece；20, Reset spring；21, limit base；22, the second high-strength magnetic device.

Specific embodiment

To keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, below in conjunction with attached drawing to this The technical solution of utility model is clearly and completely described, it is clear that described embodiment is that the utility model a part is real Example is applied, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making Every other embodiment obtained, fall within the protection scope of the utility model under the premise of creative work.

As shown in Figure 1-3, the utility model uses such a theftproof lock, including lock panel 1, lock housing 2, handle 3, lock Core 4, square tongue 5 and latch bolt 6, the lock panel 1 are arranged in the side of lock housing 2, the handle 3, lock core 4, square tongue 5 and tiltedly Tongue 6 is arranged in lock housing 2, and handle rotating part 7 is provided in the lock housing 2, and the handle 3 is arranged on handle rotating part 7, institute The upper end for stating handle rotating part 7 is provided with interlocking bar 8, and hydraulic damping device 8a, the handle rotating is arranged in the interlocking bar 8 The lower end of part 7 is provided with STATEMENT OF FEDERALLY SPONSORED 9, and the top of the lock core 4 is provided with closing piece 41, the both ends of the STATEMENT OF FEDERALLY SPONSORED 9 respectively with hold Hand rotating member 7 and closing piece 41 connect, and the interlocking bar 8 is connected with handle rotating part 7, and one end of the interlocking bar 8 extends To latch bolt 6, other end is connected with lock housing 2, and the first high-strength magnetic device 10 and high-strength magnetic are provided in the lock panel 1 The side of latch bolt 6 is arranged in deinstall 11, the first high-strength magnetic device 10, and it is high-strength that the lower section of the latch bolt 6 is provided with second Magnetic device 22, using hydraulic damping device and high-strength magnetic device, hydraulic damping device into and out of work as a buffer, magnetic force it is permanent It does not demagnetize, improves product service life.

The utility model is further arranged the interlocking bar 8 and includes interlocking bar main body 81, is arranged in the interlocking bar main body The connecting pin 82 of 81 tail portions, the mobile terminal 83 that 81 head of interlocking bar main body is set, the hydraulic damping device 8a setting In the interlocking bar main body 81, offset setting between the connecting pin 82 and lock housing 2, the two sides in the interlocking bar main body 81 It is provided with limit base 21, the upper end of the handle rotating part 7 is arranged between connecting pin 82 and limit base 21, ensure that interlocking bar 8 reliable mobile realizes the kinetic stability of latch bolt 6, is limited by the way that limit base 21 is arranged to handle rotating part 7.

The utility model, which is further arranged in the lock housing 2, is provided with the first pin shaft 12, the second pin shaft 13 and third pin Axis 14, first pin shaft 12 link with STATEMENT OF FEDERALLY SPONSORED 9, and second pin shaft 13 links with square tongue 5, the third pin shaft 14 and lock Block 41 links.It is additionally provided in the lock housing 2 and the first through hole 15 of the first pin shaft 12 cooperation, the with the cooperation of the second pin shaft 13 Two through-holes 16 and the third through-hole 17 cooperated with third pin shaft 14.By the first pin shaft 12 and first through hole 15, linkage is realized The reliable mobile of square tongue 5 is realized in reliable linkage between part 9 and handle rotating part 7 by the second pin shaft 13 and the second through-hole 16, The reliable mobile of closing piece 41 is realized by third pin shaft 14 and third through-hole 17.

The inner top side that the square tongue 5 is further arranged in the utility model is provided with fixture block 51, and lower end is provided with locked groove 52. By carrying out being adapted to movement when fixture block 51 and locked groove 52 is arranged in lock core insertion key in the upper end of square tongue 5.The handle rotating The both ends of part 7 are provided with limiting device 18.The limit that the both ends setting limiting device 18 of handle rotating part 7 rotates it System.The top of the closing piece 41 is provided with sliding piece 19 and reset spring 20, and the sliding piece 19 is connected with lock core 2. Sliding piece 19 and lock core 2 is arranged to link, reset spring 20 for realizing square tongue 5 Rapid reset.

The course of work of the utility model: when door leaf is opened, latch bolt is when handle pushes, according to handle rotating part up time Needle rotation, the top and bottom of handle rotating part can rotate clockwise at this time, but due to the effect of hydraulic damping device, it will Originally the interlocking bar moved to the right moves to the left, so that interlocking bar moves latch bolt towards the first high-strength magnetic device side, Attracted by magnetic force, latch bolt is hidden into lock panel；When the door leaf is closed, in hydraulic damping device and high-strength magnetic deinstall Under the action of, latch bolt rapidly stretches out lock panel and door leaf is locked, and when locking to door and window, key is inserted into lock core, lock Core drives square tongue movement by sliding piece, so that the locked groove on closing piece can be clamped with lock core, realizes that locking, setting can be avoided tiltedly Tongue is touching doorframe at closing time, improves product service life, also can be avoided latch bolt touching doorframe at closing time and issues ear-piercing Noise carries out mute setting to product；Latch bolt can also be reduced to people's damage as caused by accidentally.

In addition, in the description of the utility model embodiment unless specifically defined or limited otherwise, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition Concrete meaning in the present invention.

In the description of the present invention, it should be noted that term " first ", " second ", " third " are only used for describing Purpose is not understood to indicate or imply relative importance.

Finally, it should be noted that embodiment described above, only specific embodiment of the present utility model, to illustrate this Utility model technical solution, rather than its limitations, the protection scope of the utility model is not limited thereto, although referring to aforementioned reality Example is applied the utility model is described in detail, those skilled in the art should understand that: it is any to be familiar with this technology The technical staff in field within the technical scope disclosed by the utility model, still can be to skill documented by previous embodiment Art scheme modify or can readily occur in variation or equivalent replacement of some of the technical features；And these modifications, Variation or replacement, the spirit and model of the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution It encloses, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model is answered described is wanted with right Subject to the protection scope asked.

Claims (7)

1. a kind of theftproof lock, it is characterised in that: including lock panel, lock housing, handle, lock core, square tongue and latch bolt, the lock body The side of lock housing is arranged in panel, and the handle, lock core, square tongue and latch bolt are arranged in lock housing, are provided in the lock housing Handle rotating part, the handle are arranged on handle rotating part, and the upper end of the handle rotating part is provided with interlocking bar, described Hydraulic damping device is set in lever, and the lower end of the handle rotating part is provided with STATEMENT OF FEDERALLY SPONSORED, is provided with above the lock core Closing piece, the both ends of the STATEMENT OF FEDERALLY SPONSORED are connect with handle rotating part and closing piece respectively, and the interlocking bar and the linkage of handle rotating part connect It connects, one end of the interlocking bar extends in latch bolt, and other end is connected with lock housing, and it is high to be provided with first in the lock panel Strong magnetic device and high-strength magnetic deinstall, the first high-strength magnetic device are arranged in the side of latch bolt, set below the latch bolt It is equipped with the second high-strength magnetic device.

2. theftproof lock according to claim 1, it is characterised in that: the interlocking bar includes interlocking bar main body, is arranged in institute The mobile terminal stated the connecting pin of interlocking bar body tail section, the interlocking bar body head is arranged in, the hydraulic damping device are set It sets in the interlocking bar main body, offset setting between the connecting pin and lock housing, the two sides setting in the interlocking bar main body There is limit base, the upper end of the handle rotating part is arranged between connecting pin and limit base.

3. theftproof lock according to claim 1 or 2, it is characterised in that: be provided with the first pin shaft, the second pin in the lock housing Axis and third pin shaft, first pin shaft and STATEMENT OF FEDERALLY SPONSORED link, and second pin shaft and square tongue link, the third pin shaft with Closing piece linkage.

4. theftproof lock according to claim 3, it is characterised in that: be additionally provided in the lock housing and the cooperation of the first pin shaft First through hole, the third through-hole with the second through-hole of the second pin shaft cooperation and with the cooperation of third pin shaft.

5. theftproof lock according to claim 4, it is characterised in that: the inner top side of the square tongue is provided with fixture block, lower end It is provided with locked groove.

6. theftproof lock according to claim 5, it is characterised in that: the both ends of the handle rotating part are provided with limit dress It sets.

7. theftproof lock according to claim 1 or 2, it is characterised in that: be provided with above the closing piece sliding piece and Reset spring, the sliding piece are connected with lock core.