CN110029883A

CN110029883A - A kind of door lock

Info

Publication number: CN110029883A
Application number: CN201910425245.1A
Authority: CN
Inventors: 唐雅; 唐江涛
Original assignee: Hunan Ziwei Security Technology Co Ltd
Current assignee: Wonly Security And Protection Technology Co ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2019-07-19
Anticipated expiration: 2039-05-21
Also published as: CN110029883B

Abstract

Present invention relates particularly to a kind of door lock, which includes lock core, lock housing, door-plate, doorframe, and lock housing is fixedly installed on door-plate, built with lock core, and: spring bolt mechanism is set on door-plate, including lock tongue；Drive for spring bolt, one end are connected with the spring bolt mechanism and lock tongue can be driven to move；The drive for spring bolt other end is connected with lock core, and when locking, the spring bolt mechanism to two sides stretched out lock tongue；The doorframe locking end is provided with U-shaped reinforcing member, and the U-shaped reinforcing member two sides are provided with notch for latching the lock tongue；The door lock overall structure is simple, and manufacturing cost is low；When locking, door-plate upper lock tongue to the left and right produce and just clasped by the correspondence lockhole on doorframe by two sides, when exerting a force on the door, doorframe is no longer by unilateral lever prying force, but by the left and right equally distributed pulling force perpendicular with doorframe, stress is more reasonable, and it is stronger to bear destructive power.

Description

A kind of door lock

Technical field

The invention belongs to field of lockset, and in particular to a kind of door lock.

Background technique

Door lock plays an important role the guarantee person and property safety, the door lock of the prior art, to improve its safety Can, often the side of door-plate be arranged it is multiple can one-way expansion lock tongue, multiple corresponding keepers are set on doorframe, it is this kind of When door lock has the following disadvantages: 1. shaking door knob, (its fulcrum is door by unidirectional lever prying force for doorframe and keeper thereon With the hinge joint of doorframe), the firmly sufficiently large easy cause door frame distortions of long-term shaking or moment；2. the setting of a lock tongue causes more than This kind of door latch structure is complicated, and manufacturing cost is high；3. the complexity of structure increases failure rate；4. the setting of a keeper more than reduces The stress intensity of doorframe, on door-plate complicated lock body structure also can because of the increasing for connecting hole due to strength reduction.

Summary of the invention

To solve above-mentioned problems of the prior art, the present invention provides a kind of door lock, when the door lock locking, on door-plate Lock tongue to the left and right two sides stretch out just clasped by the correspondence lockhole on doorframe, shake door knob when doorframe uniform force be unlikely to deform and Anti-pick, and this spring bolt mechanism structure is simple, manufacturing cost is low.

To achieve the above object, the technical solution of the invention is as follows: a kind of door lock, including lock core, lock housing, door-plate, door Frame, lock housing are fixedly installed on door-plate, built with lock core, and:

Spring bolt mechanism is set on door-plate, including lock tongue；

Drive for spring bolt, one end are connected with lock core, and the other end is connected with the spring bolt mechanism and can drive Lock tongue movement；

The spring bolt mechanism protrudes from door-plate, and when locking, the spring bolt mechanism to two sides stretched out lock tongue；The doorframe locking End is provided with U-shaped reinforcing member, and the U-shaped reinforcing member two sides are provided with notch for latching the lock tongue.

Further, it is additionally provided with reinforced member on the door-plate, is provided on the reinforced member and avoids hole, institute Reinforced member to be stated to be correspondingly arranged with U-shaped reinforcing member, when locking, the reinforced member by the U-shaped reinforcing member wrapped up fitting, The spring bolt mechanism is set in reinforced member, and when locking, the lock tongue by avoiding hole protruded from reinforced member two sides.

Further, the spring bolt mechanism further includes the first rotary fixing base, the second rotary fixing base, first rotation Fixing seat and the second rotary fixing base are mutually twisted to form rotary fixing base, and occlusal surface is crossed on the rotary fixing base and is provided with rotation Hole；The lock tongue is a rectangular parallelepiped structure, and the center is vertically installed with rotary shaft, is provided with and rotates in the middle part of the rotary shaft The rotating part of hole cooperation, the rotating part two sides are provided with the limiting section of protrusion.

Further, the rotary shaft is provided with the forced section being connected with drive for spring bolt far from one end of lock tongue, The forced section is polygon.

Further, lock tongue a pair of linea angulata both ends are equipped with fillet.

Further, magnetic door-inhale is inlaid on the door-plate and/or doorframe.

Further, the lock tongue and rotary shaft are integrally formed.

Further, the spring bolt mechanism includes I-shaped fixing seat, is provided with through-hole, the through-hole in the middle part of the fixing seat It is installed with rotation axis, described rotation axis one end and drive for spring bolt are cooperatively connected, and the other end is connected with rotate gear, the rotation Gear two sides are provided with lock tongue, and the lock tongue is slidably connected with fixing seat, the one side of close rotate gear is equipped with corresponding transmission Tooth.

Further, the rotate gear and rotation axis are integrally formed.

Further, the drive for spring bolt includes the first plectrum and the second plectrum, first plectrum and second group Piece is hinged, and the hinge hole on first plectrum or the second plectrum is strip hole.

The beneficial effects of the present invention are:

1. stretching out U-type groove two on the U-shaped reinforcing member that lock tongue and the doorframe locking end are arranged to two sides by spring bolt mechanism The notch of side matches realization lock, so that doorframe is no longer by unilateral lever prying force, but by a left side perpendicular with doorframe Right equally distributed pulling force, stress is more reasonable, and receiving destructive power is stronger, more resistant to sled；The setting of U-shaped reinforcing member is covert on another doorframe The thickness for increasing material improve the stress intensity of doorframe.

2. the design that rotary fixing base is divided into two becomes simple so that the assembling of this door lock is fixed, cooperate making for rotary shaft With so that lock tongue of the invention is not easy to shake and can bear bigger pulling force.

3. reinforced member and U-shaped reinforcing member be correspondingly arranged and the introducing of magnetic door-inhale is so that in conjunction with door lock of the invention Even closer, the notch that lock tongue is easier to enter U-type groove two sides on U-shaped reinforcing member is snapped, so that between door-plate and doorframe not It is also easy to produce shaking, that is, increase the safety of door lock and effectively extends the service life of door lock, and is made using more square Just.

4. door lock overall structure simple fault rate of the present invention is low, manufacturing cost is low.

Detailed description of the invention

Fig. 1 is the main view of the spring bolt mechanism of the embodiment of the present invention 1.

Fig. 2 is the side view of Fig. 1.

Fig. 3 is the perspective view of the explosion of Fig. 1.

Fig. 4 structural schematic diagram of attachment for middle door-plate of the present invention and thereon.

Fig. 5 is the partial enlarged view in the portion A of Fig. 4.

Fig. 6 is the whole perspective view of the explosion of the embodiment of the present invention 1.

Fig. 7 is bowing to cross-sectional view under locking states after the embodiment of the present invention 1 assembles.

Fig. 8 is the partial enlarged view in the portion B of Fig. 7.

Fig. 9 is the schematic diagram of the spring bolt mechanism of the embodiment of the present invention 2.

In figure: 1, lock core；2, lock housing；3, door-plate；4, doorframe；5, drive for spring bolt；6, spring bolt mechanism；7, lock tongue；8,U Type reinforcing member；9, reinforced member；10, rotary fixing base；11, rotary shaft；12, fixing seat；13, rotation axis；14, turning gear Wheel；51, the first plectrum；52, the second plectrum；71, fillet；72, driving cog；81, notch；91, hole is avoided；101, the first rotation is solid Reservation；102, two rotary fixing base；103, rotating hole；111, rotating part；112, limiting section；113, forced section.

Specific embodiment

Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the orientation or position of the instructions such as term " on ", "lower", "inner", "outside" Setting relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, rather than The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot It is interpreted as limitation of the present invention.In addition, term " first ", " second " are used for description purposes only, and should not be understood as instruction or Imply relative importance, and unless specifically defined or limited otherwise, term " installation ", " connection " shall be understood in a broad sense, example Such as, it may be fixed connection or may be dismantle connection, or integral connection；It can be mechanical connection, be also possible to be electrically connected It connects；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary.For this For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.

As long as finally, the non-structure each other of technical characteristic involved in invention described below different embodiments It can be combined with each other at conflict.

Embodiment 1

If Fig. 1-Fig. 8 shows, structure of the invention are as follows: a kind of door lock, including lock core 1, lock housing 2, door-plate 3, doorframe 4, lock tongue Transmission mechanism 5, spring bolt mechanism 6, wherein drive for spring bolt 5 includes the first plectrum 51 and the second plectrum 52, first plectrum 51 realize that hinge is connect by pin with the second plectrum 52, and the hinge hole on first plectrum 51 or the second plectrum 52 is strip Hole is convenient for rotation control；The spring bolt mechanism 6 includes lock tongue 7, I-shaped rotary fixing base 10, and the lock tongue 7 is one rectangular Body structure, the center are vertically installed with rotary shaft 11, and 11 tail end of rotary shaft has screw thread, the lock tongue 7 and rotary shaft 11 It is integrally formed；It is provided with i.e. 10 center of rotary fixing base of through hole at left and right sides of the I-shaped I-shaped of rotary fixing base 10 and is provided with rotation Hole 103, lock tongue 7, which is inserted into rotating hole 103 by rotary shaft 11, can realize relative rotation.

3 side of door-plate and doorframe 4 are realized by hinge hingedly to be rotated, and lock housing 2, which is bolted, to be installed on door-plate 3, Lock housing 2 is provided with lock core 1, and 1 tail end of lock core and the fixed end of i.e. the second plectrum 52 in one end of drive for spring bolt 5 pass through bolt It is fixedly connected, the other end of the drive for spring bolt 5 i.e. fixed end of the first plectrum 51 is fixed by nut and 11 phase of rotary shaft Rotation of the lock tongue 7 in rotary shaft 11 is realized in connection, and rotary fixing base 10 is fixedly welded on the side that locking is needed on door-plate 3 On, when locking, key driven with movable lock core 1 drive for spring bolt 5 control the spring bolt mechanism 6 rotary shaft 11 rotate to Lock tongue 7 is stretched out in horizontal two sides；Cooperate on the doorframe 4 with door-plate 3 and realizes that one end of locking functions is welded with vertical U-shaped reinforcing Part 8, specifically, U-shaped reinforcing member 8 is U-type groove steel or the polymorphic structure steel with U-type groove, U-shaped 8 two sides of reinforcing member are provided with Notch 81 states lock tongue 7 for latching residence, and the two sides lock tongue 7 of spring bolt mechanism 6 is deducted by the two sides notch 81 of U-shaped reinforcing member 8, When being destroyed by external force, doorframe 4 but is uniformly distributed by the left and right perpendicular with doorframe by similar unilateral lever prying force Pulling force or impact force, stress is more reasonable, bear destructive power it is stronger, more resistant to sled；U-shaped reinforcing member is arranged in a disguised form on another doorframe The thickness for increasing material improves the stress intensity of doorframe.

As a kind of optimal technical scheme of the design, reinforced member 9, the reinforcing knot are welded on the door-plate 3 Component 9 is band steel or U-type groove steel, and the reinforced member 9 is correspondingly arranged with U-shaped reinforcing member 8, i.e., reinforcing when locking is closed Structural member 9, which protrudes into the U-type groove of the U-shaped reinforcing member 8 and is just against U-type groove bottom such as Fig. 8, to be shown, the spring bolt mechanism 6 is logical It crosses rotary fixing base 10 thereon to be fixedly welded in reinforced member 9, when locking, the lock tongue 7 was protruded from by avoiding hole 91 9 two sides of reinforced member simultaneously enter the U-type groove two sides notch 81 of U-shaped reinforcing member 8 to reach lock purpose, such setting so that Door lock of the invention combine it is even closer, shaking is not likely to produce between door-plate and doorframe, that is, the safety for increasing door lock has again The service life for extending door lock of effect.

As a kind of optimal technical scheme of the design, if Fig. 3 shows, rotary fixing base 10, which is divided into two, is divided into the first rotation Turn fixing seat 101 and the second rotary fixing base 102, first rotary fixing base 101 and the second rotary fixing base 102 are mutually stung Conjunction blending bolt is fixed to form an entirety i.e. rotary fixing base 10, crosses occlusal surface on the rotary fixing base 10 and is provided with rotating hole 103；Correspondingly, being provided with the rotating part 111 cooperated with rotating hole 103,111 two sides of rotating part in the middle part of the rotary shaft 11 It is provided with the annular stop portion 112 of protrusion, 11 tail portion of rotary shaft is provided with the forced section 113 being connected with the first plectrum 51；Institute The mounting hole for stating forced section 113 and the first plectrum 51 is all that regular hexagon facilitates stress to be driven；After installation combination, the first rotation is solid Reservation 101 and the second rotary fixing base 102 are rigid by the limiting section 112 of 111 two sides of rotating part on rotating hole 103 and rotary shaft 11 Engage such as Fig. 1 of rotary shaft 11 well and show, so that it can not double swerve can only rotate, the design of this structure enables lock tongue 7 Bear big pulling force, and uniform force.

As a kind of optimal technical scheme of the design, if Fig. 2 shows, a pair of of linea angulata both ends of the lock tongue 7 are equipped with fillet 71, The rotation of cuboid lock tongue 7 is convenient in the setting of fillet 71, but also 9 two sides of reinforced member avoid that hole 91 is smaller to be improved The intensity of reinforced member 9.

As a kind of optimal technical scheme of the design, is inlayed on the door-plate 3 and/or doorframe 4 and is fixed with magnetic door-inhale, The introducing of magnetic door-inhale is more convenient to use so that lock tongue 7 is easier to be coordinated with notch 81.

When specifically used, key is inserted into rotation in lock core 1, and the lock core 1 of rotation drives the second plectrum 52 of its tail end connection Rotation, the second plectrum 52 drives the rotation of the first plectrum 51 to drive rotary shaft 11 to rotate, because of rotary shaft 11 and cuboid lock tongue 7 Be integrated, cuboid lock tongue 7 around rotary shaft 11 rotate from avoid hole 91 produce and rotate into U-shaped reinforcing member 8 on doorframe 4 two sides lack Until long side is horizontal in mouth 81, at this moment reinforced member 9 is against in the U-type groove U-shaped bottom of U-shaped reinforcing member 8, and lock tongue 7 supports Lock is completed on side of the notch 81 by 3 one end of door-plate.

Embodiment 2

If Fig. 9 shows, the present embodiment the difference from embodiment 1 is that spring bolt mechanism 6 difference, the spring bolt mechanism 6 include work Font fixing seat 12, is provided with through-hole in the middle part of the fixing seat 12, and the through-hole is installed with rotation axis 13, described 13 one end of rotation axis with First plectrum 51 is bolted to connection, and the other end is connected with rotate gear 14, and the rotate gear 14 is with rotation axis 13 Integral piece, 14 two sides of rotate gear are provided with lock tongue 7, and the lock tongue 7 is slidably connected with fixing seat 12, and two lock tongues 7 are close The one side of rotate gear 14 is equipped with the corresponding driving cog 72 being meshed, i.e., is provided with sliding groove on I-shaped 12 inside of fixing seat and is used for Lock tongue 7 is installed, upper and lower lock tongue 7 engages realization left and right with driving cog 72 thereon by rotate gear 14 therebetween and stretches, transmission Tooth 72 also acts as limitation and supports the effect of upper and lower sides lock tongue 7.

When specifically used, key is inserted into rotation in lock core 1, and the lock core 1 of rotation drives the second plectrum 52 of its tail end connection Rotation, the second plectrum 52 drives the rotation of the first plectrum 51 to drive rotation axis 13 to rotate, because of rotation axis 13 and rotate gear 14 It is integrated, the rotation of rotate gear 14 drives the lock tongue 7 of the lock tongue 7 of upside downside to the left to the right from accordingly avoiding by engaged transmission Hole 91 is stretched out and is put on doorframe 4 in the two sides notch 81 of U-shaped reinforcing member 8, and at this moment reinforced member 9 is against U-shaped reinforcing member 8 In U-type groove U-shaped bottom, lock tongue 7 is against notch 81 and completes lock on the side of 3 one end of door-plate.

The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills Art field, is included within the scope of the present invention.

Claims

1. a kind of door lock, including lock core (1), lock housing (2), door-plate (3), doorframe (4), lock housing (2) are fixedly installed in door-plate (3) On, built with lock core (1), and:

Spring bolt mechanism (6), including lock tongue (7)；

Drive for spring bolt (5), one end are connected with lock core (1), and the other end is connected with the spring bolt mechanism (6) and can Drive lock tongue (7) movement；

It is characterized in that, the spring bolt mechanism (6) is set on door-plate (3), the spring bolt mechanism (6) was stretched out to two sides and was locked when locking Tongue (7)；Doorframe (4) locking end is provided with U-shaped reinforcing member (8), and U-shaped reinforcing member (8) two sides are provided with notch (81) use Lock tongue (7) are stated in lock residence.

2. a kind of door lock according to claim 1, which is characterized in that be additionally provided with reinforced member on the door-plate (3) (9), it is provided with and avoids hole (91) on the reinforced member (9), the reinforced member (9) is corresponding with U-shaped reinforcing member (8) to be set It sets, when locking, the reinforced member (9) was protruded into U-shaped reinforcing member (8) U-type groove, and contacted with U-type groove bottom, described Spring bolt mechanism (6) is set in reinforced member (9), and when locking, the lock tongue (7) by avoiding hole (91) protruded from ruggedized construction Part (9) two sides.

3. a kind of door lock according to claim 2, which is characterized in that the spring bolt mechanism (6) further includes that the first rotation is solid Reservation (101), the second rotary fixing base (102), first rotary fixing base (101) and the second rotary fixing base (102) phase Mutually occlusion formed rotary fixing base (10), on the rotary fixing base (10) occlusal surface be provided with rotating hole (103)；The lock tongue It (7) is a rectangular parallelepiped structure, the center is vertically installed with rotary shaft (11), is provided with and is rotated in the middle part of the rotary shaft (11) The rotating part (111) of hole (103) cooperation, rotating part (111) two sides are provided with the limiting section (112) of protrusion.

4. a kind of door lock according to claim 3, which is characterized in that the one end of the rotary shaft (11) far from lock tongue (7) It is provided with the forced section (113) being connected with drive for spring bolt (5), the forced section (113) is polygon.

5. a kind of door lock according to claim 4, which is characterized in that a pair of of linea angulata both ends of the lock tongue (7) are equipped with fillet (71)。

6. a kind of door lock according to claim 5, which is characterized in that be inlaid on the door-plate (3) and/or doorframe (4) Magnetic door-inhale.

7. a kind of door lock according to claim 6, which is characterized in that the lock tongue (7) and rotary shaft (11) are integrally formed.

8. a kind of door lock according to claim 2, which is characterized in that the spring bolt mechanism (6) includes I-shaped fixing seat (12), it is provided with through-hole in the middle part of the fixing seat (12), the through-hole is installed with rotation axis (13), described rotation axis (13) one end and lock Tongue transmission mechanism (5) is cooperatively connected, and the other end is connected with rotate gear (14), and rotate gear (14) two sides are provided with lock tongue (7), the lock tongue (7) is slidably connected with fixing seat (12), the one side close to rotate gear (14) is equipped with corresponding driving cog (72)。

9. a kind of door lock according to claim 8, which is characterized in that the rotate gear (14) and rotation axis (13) one Molding.

10. a kind of door lock according to claim 7 or 9, which is characterized in that the drive for spring bolt (5) includes first Plectrum (51) and the second plectrum (52), first plectrum (51) and the second plectrum (52) hingedly, first plectrum (51) or Hinge hole on second plectrum (52) is strip hole.