CN218265430U

CN218265430U - Safe single-bolt lock body

Info

Publication number: CN218265430U
Application number: CN202222446285.4U
Authority: CN
Inventors: 王李红
Original assignee: Zhejiang Haobao Technology Co ltd
Current assignee: Zhejiang Haobao Technology Co ltd
Priority date: 2022-09-15
Filing date: 2022-09-15
Publication date: 2023-01-10
Anticipated expiration: 2032-09-15

Abstract

The utility model discloses a safe single-bolt lock body, which comprises a lock shell, a magnetic spring bolt and a lock rod, wherein one side of the lock rod is provided with a rotary driving piece and a reset torsion spring for driving the rotary driving piece to reset; the anti-lock subassembly is including anti-lock slider and order about the anti-lock core that anti-lock slider relative rotation driving piece removed, anti-lock core can promote to lock the slider and remove and hinder the rotation driving piece rotation to rotation portion one side down for the portion of rotating can't promote the locking lever rearward movement in the last rotation portion of rotation driving piece, drives the downthehole unblanking of spring bolt of magnetic force spring bolt withdrawal lock shell, thereby realizes that a magnetic force spring bolt also can realize anti-lock function, simple structure.

Description

Safe single-bolt lock body

Technical Field

The utility model relates to a lock field, more specifically say, it relates to a safe single tongue lock body.

Background

The lock has the anti-function of locking usually, generally sets up the anti-knob of locking in the indoor side of door body, and the anti-knob of locking is the knob that is used for controlling the lock body anti-magnetic force spring bolt, and general anti-magnetic force spring bolt of locking only receives the anti-knob independent control that locks, consequently needs to set up an anti-magnetic force spring bolt alone on the lock body for lock body overall structure still is comparatively complicated.

In order to simplify the lock structure, therefore, people adopt a single-bolt lock, and at present, a chinese patent with application No. 201410538613.0 discloses a single-bolt lock structure, which comprises a lining plate, an oblique bolt, a return spring, a bottom box, a sliding block, a dial peach and a buffer mechanism; the lining plate is arranged on the front side of the bottom box, an inclined tongue cavity, a sliding block cavity and a peach poking cavity are arranged in the bottom box, a magnetic spring bolt, a sliding block and a peach poking are respectively placed in the inclined tongue cavity, the sliding block cavity and the peach poking cavity, the rear end of the magnetic spring bolt is connected with the sliding block, and the rear end of the sliding block is embedded with the peach poking; the return spring is positioned at the rear end of the latch bolt; the buffer mechanism consists of a buffer block, a sealing ring, a buffer cavity and damping grease; the buffer cavity is arranged at the lower part of the slide block cavity, the buffer block is provided with a damping shaft which is embedded into the buffer cavity, damping grease is also injected into the buffer cavity, and the buffer cavity is blocked by the sealing ring; the buffer friction surface arranged on the buffer block is pressed against the friction surface at the front end of the sliding block to generate sliding friction, but the single-bolt lock body is not provided with a back locking structure, so that the safety of the door lock is reduced.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art existence, the utility model aims to provide a safe single tongue lock body.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a safe single-bolt lock body comprises a lock shell, a magnetic lock bolt and a lock rod, wherein a rotary driving piece and a reset torsion spring for driving the rotary driving piece to reset are arranged on one side of the lock rod; the back locking assembly comprises a back locking sliding block and a back locking lock cylinder for driving the back locking sliding block to move relative to the rotating driving piece, and the back locking lock cylinder can push the back locking sliding block to move to one side of the lower rotating part to block the rotating driving piece from rotating.

The utility model discloses further set up: the anti-lock sliding block is provided with an anti-lock limiting plate, the anti-lock limiting plate extends to the position of the lock tongue hole, and the anti-lock limiting plate can abut against a magnetic lock tongue retracted into the lock tongue hole to block the anti-lock cylinder from pushing the anti-lock sliding block to move to one side of the lower rotating part.

The utility model discloses further set up: the magnetic lock bolt sleeve is provided with a limit hole matched with the back lock limit plate, and the limit hole can be closed by the magnetic lock bolt retracted into the lock bolt hole, so that the back lock limit plate can not be inserted into the limit hole.

The utility model discloses further set up: the lock body is provided with back locking positioning holes and unlocking positioning holes which are arranged at intervals, and the positioning spring drives the positioning steel balls to be matched with the back locking positioning holes or the unlocking positioning holes.

The utility model discloses further set up: the locking lever still overlaps and is equipped with the unlocking sleeve, go up the transmission part and arrange in between unlocking sleeve and the fixed block, the spring bolt spring orders about the unlocking sleeve and goes up the transmission part counterbalance and lean on.

The utility model discloses further set up: one side of the rotary driving piece is provided with a limiting column, the rotary driving piece is further provided with a flange, and in the rotary unlocking process of the rotary driving piece, the flange abuts against the limiting column to limit the rotation angle of the rotary driving piece.

The utility model discloses beneficial effect: after the spring bolt hole of lock shell is stretched out to magnetic force spring bolt under the magnetic force effect, when needs are locked in the opposite directions, it is rotatory only to need to drive the lock core of locking in the opposite directions through knob or key, the group that locks the lock core this moment will promote the slider that locks in the opposite directions and remove and hinder the rotation driving piece rotation to rotation portion one side down soon, the handle can't drive the rotation driving piece rotation through the square shaft this moment, make the last rotation portion of rotation driving piece can't promote the locking lever and remove backward, drive the spring bolt hole of magnetic spring bolt withdrawal lock shell and unblank, thereby realize that a magnetic spring bolt also can realize the function of locking in the opposite directions, moreover, the steam generator is simple in structure.

Drawings

Fig. 1 is a schematic structural view of a lock-closed state of a safety single-bolt lock body of the present invention;

fig. 2 is a schematic view of the unlocking state of the safety single-bolt lock body of the present invention;

fig. 3 is a schematic structural view of the lock case.

Description of reference numerals: 1. a lock case; 11. a limiting post; 12. reversely locking the positioning hole; 13. unlocking the positioning hole; 2. a magnetic bolt; 3. a lock lever; 4. a fixed block; 5. a latch bolt spring; 6. a rotary drive member; 61. a flange; 62. an upper transmission part; 63. a lower rotating part; 7. a return torsion spring; 8. a back locking assembly; 81. a back locking slide block; 82. a back locking limit plate; 9. unlocking the lock sleeve; 10. magnetic lock tongue sleeve.

Detailed Description

The embodiment of the safety single-bolt lock of the present invention will be described in further detail with reference to fig. 1 to 3.

The utility model provides a safe single-bolt lock body, is including locking shell 1, magnetic force spring bolt 2 and locking lever 3, a tip of locking lever 3 passes the slide opening of fixed block 4 and is connected with magnetic force spring bolt 2, and another tip cover is equipped with spring bolt spring 5, and this spring bolt spring 5 orders about magnetic force spring bolt withdrawal locking shell 1, when closing the door, magnetic force spring bolt 2 can overcome spring bolt spring 5's elasticity under the magnetic force effect and stretch out locking shell 1 and close the lock outward.

Be provided with the rotary driving piece 6 and drive the reset torsion spring 7 that the rotary driving piece 6 resets in one side of locking lever 3, the handle can drive the rotary driving piece 6 rotation and compress reset torsion spring 7 through the square shaft, and after releasing the handle, the rotary driving piece 6 can reset under the effect of reset torsion spring 7, one side of rotary driving piece 6 sets up spacing post 11, rotary driving piece 6 still is provided with a flange 61, at the rotary driving piece 6 rotatory in-process of unblanking, flange 61 leans on 6 rotation angles of restriction rotary driving piece with spacing post 11 counterbalance.

The rotary driving piece 6 is provided with an upper transmission part 62 matched with the lock rod 3 and a lower transmission part 63 matched with the back locking component 8; the locking lever 3 is still overlapped and is equipped with the unlocking sleeve 9, go up transmission part 62 and arrange in between unlocking sleeve 9 and the fixed block 4, spring bolt spring 5 orders about unlocking sleeve 9 and goes up transmission part 62 and lean on, when needs are unblanked, the last transmission part 62 of rotary driving piece 6 promotes locking lever 3 through unlocking sleeve 9 and removes backward for locking lever 3 drives the magnetic force spring bolt and withdraws in the spring bolt hole of lock shell 1.

The anti-lock subassembly 8 is including anti-lock slider 81 and order about the anti-lock core that anti-lock slider 81 relatively rotated the driving piece 6 and remove, when needs are anti-locked, it is rotatory only to drive the anti-lock core through knob or key, the stirring of anti-lock core at this moment will promote anti-lock slider 81 and remove to rotating part 63 one side down and hinder the rotation of rotation driving piece 6, the handle can't drive rotation driving piece 6 rotation through the square shaft this moment, make the last rotating part of rotation driving piece 6 can't promote locking lever 3 and remove backward, drive the downthehole unblanking of the spring bolt of 2 retractions lock shell 1 of magnetic force spring bolt, thereby realize that a magnetic force spring bolt also can realize the anti-lock function, moreover, the steam generator is simple in structure.

Be provided with anti-limiting plate 82 that locks on the anti-slider 81, anti-limiting plate 82 that locks extends to spring bolt hole department, should lock limiting plate 82 and can remove along with anti-slider 81 that locks, when the magnetic force spring bolt is in the downthehole locking state of withdrawal spring bolt, should lock limiting plate 82 and can lean on with 2 offsets of downthehole magnetic force spring bolt of withdrawal spring bolt, will hinder and lock the lock core and promote anti-slider 81 that locks and remove to lower rotation portion 63 one side for anti-slider 81 can't block that the rotary driving spare 6 is rotatory, and state lock body is unable anti-lock this moment, thereby avoids the unexpected anti-lock of this lock body, provides the lock body security.

A magnetic lock tongue sleeve 10 is arranged at a lock tongue hole of a lock shell 1, and the magnetic lock tongue sleeve 10 plays a role in guiding and limiting a magnetic lock tongue 2, so that the magnetic lock tongue is prevented from shifting in the moving process. The magnetic lock tongue sleeve 10 is provided with a limiting hole matched with the back locking limiting plate 82, as shown in fig. 1, when the magnetic lock tongue extends out of the magnetic lock tongue sleeve 10 to close the lock, the limiting hole can be opened, the back locking limiting plate 82 can move upwards to be inserted into the limiting hole at the moment, the back locking limiting plate 82 can limit the magnetic lock tongue to retract backwards, therefore, the back locking limiting plate 82 cannot block the back locking lock cylinder to push the back locking sliding block 81 to move to one side of the lower rotating part 63, as shown in fig. 2, when the magnetic lock tongue retracts into the magnetic lock tongue sleeve 10 to unlock, the limiting hole can be closed by the magnetic lock tongue retracted into the lock tongue hole, the back locking limiting plate 82 cannot be inserted into the limiting hole, therefore, the back locking limiting plate 82 can block the back locking lock cylinder to push the back locking sliding block 81 to move to one side of the lower rotating part 63, so that accidental back locking of the lock body is avoided, and the safety of the lock body is provided.

The anti-sliding block 81 that locks is provided with positioning spring and location steel ball, the anti-locating hole of locking 12 and the unblock locating hole 13 that the interval set up are seted up to the lock body, positioning spring orders about the location steel ball and cooperatees with anti-locating hole 12 or unblock locating hole 13 of locking, and when the lock body was in the anti-lock, magnetic force spring bolt positioning spring ordered about the location steel ball and cooperateed with anti-locating hole 12 of locking, and when the lock body was in the unblock, magnetic force spring bolt positioning spring ordered about the location steel ball and cooperateed with unblock locating hole 13, avoided anti-sliding block 81 to remove by oneself, took place to remove anti-lock or unblock, provided the lock body security.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that modifications and embellishments within the scope of the present disclosure may be made by those skilled in the art without departing from the principles of the present disclosure.

Claims

1. The utility model provides a safe single-bolt lock body, is provided with the rotary driving piece and drives the reset torsion spring that the rotary driving piece resets in one side of locking lever including locking shell, magnetic force spring bolt and locking lever, a tip of locking lever passes the slide opening of fixed block and is connected with magnetic force spring bolt, and another tip cover is equipped with the spring bolt spring, and this spring bolt spring orders about magnetic force spring bolt retraction lock shell, characterized by: the rotary driving piece is provided with an upper driving part matched with the lock rod and a lower driving part matched with the back locking component;

the back locking assembly comprises a back locking sliding block and a back locking lock cylinder for driving the back locking sliding block to move relative to the rotating driving piece, and the back locking lock cylinder can push the back locking sliding block to move to one side of the lower rotating part to block the rotating driving piece from rotating.

2. A secure single-bolt lock body of claim 1, further comprising: the anti-lock sliding block is provided with an anti-lock limiting plate, the anti-lock limiting plate extends to the position of the lock tongue hole, and the anti-lock limiting plate can abut against a magnetic lock tongue retracted into the lock tongue hole to block the anti-lock cylinder from pushing the anti-lock sliding block to move to one side of the lower rotating part.

3. A secure single-bolt lock body of claim 2, wherein: the magnetic lock bolt sleeve is provided with a limit hole matched with the back lock limit plate, and the limit hole can be closed by the magnetic lock bolt retracted into the lock bolt hole, so that the back lock limit plate can not be inserted into the limit hole.

4. A secure single bolt lock body according to claim 1, 2 or 3 wherein: the anti-locking slide block is provided with a positioning spring and positioning steel balls, the lock body is provided with anti-locking positioning holes and unlocking positioning holes which are arranged at intervals, and the positioning spring drives the positioning steel balls to be matched with the anti-locking positioning holes or the unlocking positioning holes.

5. A secure single bolt lock body according to claim 1, 2 or 3 wherein: the locking lever still overlaps and is equipped with the unlocking sleeve, go up the transmission part and arrange in between unlocking sleeve and the fixed block, the spring bolt spring orders about the unlocking sleeve and goes up the transmission part counterbalance and lean on.

6. A secure single bolt lock body according to claim 1, 2 or 3 wherein: one side of the rotary driving piece is provided with a limiting column, the rotary driving piece is further provided with a flange, and in the rotary unlocking process of the rotary driving piece, the flange abuts against the limiting column to limit the rotation angle of the rotary driving piece.