CN215717854U

CN215717854U - Single-bolt anti-insertion mechanical lock body with simple and reasonable structure

Info

Publication number: CN215717854U
Application number: CN202120151845.6U
Authority: CN
Inventors: 吴礼权
Original assignee: Zhongshan Ronglong Lock Co ltd
Current assignee: Zhongshan Ronglong Lock Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2022-02-01
Anticipated expiration: 2031-01-20

Abstract

The utility model discloses a single-bolt anti-insertion mechanical lock body with a simple and reasonable structure, which comprises a lining plate, a screw, a bolt collision reset spring, a bolt collision, a snap spring, a bolt collision toggle piece limiting sleeve, a bolt collision toggle piece, a latch bolt limiting toggle piece reset spring, a latch bolt limiting toggle piece, an escape lock latch bolt assembly, a latch bolt seat, an escape lock reversing piece reset spring, an escape lock reversing piece, a bottom plate, a toggle piece limiting nail, a square core, an escape lock latch bolt reset spring, a square core reset spring, a shifting fork and a panel, wherein the wall surface of the inner cavity of the bottom plate is provided with a plurality of hole positions, groove positions and fixed columns according to requirements and is formed. The utility model has the advantages of stable performance, simple operation and low production cost, and the key point is that the anti-plugging mechanism is arranged in the lock, so that the lock can effectively prevent illegal persons outside the door from being plugged into a card and the like through a door slot to bump against an inclined plane lock tongue to unlock unconventionally, and a better effect can be achieved without installing a more expensive conventional double-tongue lock body, thereby providing a plurality of choices for users.

Description

Single-bolt anti-insertion mechanical lock body with simple and reasonable structure

Technical Field

The utility model relates to the technical field of lock bodies, in particular to a single-bolt anti-insertion mechanical lock body with a simple and reasonable structure.

Background

The existing spring type door lock generally comprises a lock body and a lock catch, wherein the lock body comprises a telescopic lock tongue, a safety device, a door opening knob and the like, the lock body is arranged on a door and is matched with the lock catch arranged on a door frame to achieve the purpose of locking the door, and a groove is formed in the position, corresponding to the lock tongue, of the lock body on the lock catch.

However, the door lock has the defect of poor anti-theft performance, and particularly, as the lock tongues are designed into an outer inclined plane structure convenient for closing the door, if a safety knob is not used for safety, the lock tongues can be easily inserted through a door slot to collide the inclined plane under the action of external force (such as a card with certain hardness), so that the door lock is opened by pressing the inward contraction of the lock tongues, the burglary is caused, and the personal safety of a user is seriously threatened.

Therefore, it is necessary to develop a lock body that prevents insertion and prevents retraction during bumping, so that the user can effectively protect his own property and safety.

Disclosure of Invention

In order to achieve the purpose, the utility model adopts the following technical scheme:

the single-bolt anti-insertion mechanical lock body is simple and reasonable in structure and comprises a lining plate, a screw, a bolt collision reset spring, a bolt collision, a clamp spring, a bolt collision toggle piece limiting sleeve, a bolt collision toggle piece, an inclined bolt limiting toggle piece reset spring, an inclined bolt limiting toggle piece, an escape lock inclined bolt assembly, an inclined bolt seat, an escape lock reversing piece reset spring, an escape lock reversing piece, a bottom plate, a toggle piece limiting nail, a square core, an escape lock inclined bolt reset spring, a square core reset spring, a shifting fork and a panel, and is characterized in that a plurality of hole positions, groove positions and fixing columns are formed and molded on the wall surface of an inner cavity of the bottom plate according to requirements; the escape lock oblique tongue component is arranged on the oblique tongue seat, the oblique tongue seat with the escape lock oblique tongue component is fixedly arranged by being matched with a fixed column on the right side of the inner cavity of the bottom plate, and particularly, the oblique tongue seat is provided with a groove position matched with the fixed column; the escape lock reversing piece reset spring is sleeved on the right side of the escape lock reversing piece, the escape lock reversing piece with the escape lock reversing piece reset spring is fixedly arranged in a groove position on the upper right of the bottom plate, the groove position is specifically on the upper right of the inclined tongue seat, and the escape lock reversing piece is in contact fit with the inclined tongue seat; the collision tongue and the latch bolt limiting poking sheet are fixedly arranged at the center of the inner cavity of the bottom plate and are matched with each other through the collision tongue poking sheet, wherein the collision tongue is provided with a collision tongue reset spring, the collision tongue poking sheet is provided with a collision tongue poking sheet limiting sleeve, the latch bolt limiting poking sheet is provided with a latch bolt limiting poking sheet reset spring, and the poking sheet reset spring is connected with the collision tongue poking sheet and the latch bolt limiting poking sheet; the clamp spring is inserted on the poking sheet reset spring; the square core is arranged below the latch bolt limiting poking sheet and is in contact fit with the latch bolt limiting poking sheet; the shifting fork and the square core reset spring are both sleeved on the square core; the shifting piece is arranged on the left side of the inner cavity of the bottom plate through the matching of the shifting piece limiting nail and the fixing column, and a barb is designed and formed at the right end of the shifting piece to match with a shifting fork on the square core; the shifting fork on the square core is connected and matched with the latch bolt seat by adding an escape lock latch bolt resetting spring, wherein the escape lock latch bolt resetting spring is specifically fixedly arranged on a fixed column at the lower right corner of the inner cavity of the bottom plate, one end of the escape lock latch bolt resetting spring is in contact and matched with the latch bolt seat, and the other end of the escape lock latch bolt resetting spring extends out of the bottom plate; the panel and the lining plate are respectively assembled on the front surface and the top surface of the bottom plate through the matching of screws and fixing columns or hole sites.

Preferably, the reversing piece of the escape lock is provided with a convex edge to be matched and fixed with the slot position of the bottom plate.

Preferably, the latch bolt limiting and poking piece is required to be positioned below the latch bolt component of the escape lock.

Preferably, the square core or the shifting fork is used for shifting the oblique tongue limiting shifting piece to drive the escape lock oblique tongue component to unlock.

Preferably, the bottom surface of the lining plate is welded or integrally formed with a U-shaped positioning connecting piece.

The utility model has the beneficial effects that: the utility model can realize quick unlocking and door opening in the door by pressing the handle under the condition of ensuring that the door can only be unlocked and opened by a key in the door-out direction, maximally facilitates the use of internal personnel when the internal personnel go out under the condition of ensuring the safety and the anti-theft property, and saves the step of opening the door by the key. The utility model is provided with an anti-plugging mechanism inside, which can effectively prevent illegal persons from bumping the inclined plane spring bolt through inserting a card and the like into a door slot to unlock unconventionally, the anti-plugging mechanism is a simple, effective and practical improvement on the basis of the original mechanical lock body, wherein the most important parts reaching the research and development purpose are a spring bolt, a spring bolt bumping toggle sheet, a latch bolt limit toggle sheet reset spring and a latch bolt limit toggle sheet, and the utility model of the single-bolt lock body has the advantages of stable performance, simple operation and low production cost through the matching of the parts, can achieve better effect without installing more expensive conventional double-bolt lock bodies, and provides a plurality of choices for users.

Drawings

Fig. 1 is an exploded view of the present invention.

Fig. 2 is an assembled perspective view of the present invention.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments.

Referring to fig. 1 and 2, the embodiment adopts the following technical scheme that the single-bolt anti-insertion mechanical lock body with a simple and reasonable structure comprises a lining plate (1), a screw (2), a bolt collision reset spring (3), a bolt collision (4), a clamp spring (5), a bolt collision shifting piece limiting sleeve (6), a bolt collision shifting piece (7), an oblique bolt limiting shifting piece reset spring (8), an oblique bolt limiting shifting piece (9), an escape lock oblique bolt assembly (10), an oblique bolt seat (11), an escape lock reversing piece reset spring (12), an escape lock reversing piece (13), a bottom plate (14), a shifting piece (15), a shifting piece limiting nail (16), a square core (17), an escape lock oblique bolt reset spring (18), a square core reset spring (19), a shifting fork (20) and a panel (21), the novel water-cooling water tank is characterized in that a plurality of hole sites, groove positions and fixing columns are arranged and formed on the wall surface of the inner cavity of the bottom plate (14) according to requirements; the escape lock oblique tongue component (10) is installed on the oblique tongue seat (11), the oblique tongue seat (11) with the escape lock oblique tongue component (10) is fixedly installed by being matched with a fixed column on the right side of the inner cavity of the bottom plate (14), and particularly, the oblique tongue seat (11) is provided with a groove position matched with the fixed column; the escape lock reversing piece resetting spring (12) is sleeved on the right side of the escape lock reversing piece (13), the escape lock reversing piece (13) with the escape lock reversing piece resetting spring (12) is fixedly arranged in a groove position on the upper right of the bottom plate (14), the groove position is specifically on the upper right of the latch bolt seat (11), and the escape lock reversing piece (13) is in contact fit with the latch bolt seat (11); the collision tongue (4) and the oblique tongue limiting poking sheet (9) are fixedly arranged at the center of the inner cavity of the bottom plate (14), and the collision tongue (4) and the oblique tongue limiting poking sheet (9) are matched with each other through the collision tongue poking sheet (7), wherein the collision tongue (4) is provided with a collision tongue reset spring (3), the collision tongue poking sheet (7) is provided with a collision tongue poking sheet limiting sleeve (6), the oblique tongue limiting poking sheet (9) is provided with an oblique tongue limiting poking sheet reset spring (8), and the poking sheet reset spring (8) is connected with the collision tongue poking sheet (7) and the oblique tongue limiting poking sheet (9); the clamp spring (5) is inserted on the shifting piece resetting spring (8); the square core (17) is arranged below the latch bolt limiting shifting sheet (9) and is in contact fit with the latch bolt limiting shifting sheet; the shifting fork (20) and the square core reset spring (19) are sleeved on the square core (17); the poking sheet (15) is arranged on the left side of the inner cavity of the bottom plate (14) through the matching of a poking sheet limiting nail (16) and the fixing column, and a barb is designed and formed at the right end of the poking sheet (15) to match with a shifting fork (20) on the square core (17); an escape lock latch bolt resetting spring (18) is added on a shifting fork (20) on the square core (17) to be connected and matched with the latch bolt seat (11), wherein the escape lock latch bolt resetting spring (18) is specifically fixedly arranged on a fixing column at the lower right corner of the inner cavity of the bottom plate (14), one end of the escape lock latch bolt resetting spring is in contact fit with the latch bolt seat (11), and the other end of the escape lock latch bolt resetting spring extends out of the bottom plate (14); the panel (21) and the lining plate (1) are respectively assembled on the front surface and the top surface of the bottom plate (14) through the matching of screws (2) and fixed columns or hole sites.

Wherein, the escape lock reversing piece (13) is provided with a convex edge to be matched and fixed with the slot position of the bottom plate (14).

Wherein, the latch bolt limiting and poking sheet (9) is required to be positioned below the latch bolt component (10) of the escape lock.

The square core (17) or the shifting fork (20) shifts the latch bolt limiting shifting sheet (9) to drive the escape lock latch bolt assembly (10) to unlock.

Preferably, the bottom surface of the lining plate (1) is welded or integrally formed with a U-shaped positioning connecting piece.

The present embodiment takes the above scheme as an example.

The utility model relates to a door lock, which is characterized in that the door lock is provided with an anti-insertion mechanism matched with a latch bolt, and the anti-insertion mechanism is composed of a latch bolt, a latch bolt poking sheet, a latch bolt limiting poking sheet reset spring and a latch bolt limiting poking sheet. The anti-collision door has the effects that when the door is closed, the oblique bolt limiting shifting piece can abut against and block the oblique bolt component of the escape lock, so that the phenomenon that another person pushes against and unlocks the door by using a clamping piece and the like is avoided, and the unlocking and the door opening can be carried out only by rotating the square core through a handle or shifting the oblique bolt limiting shifting piece through a shifting fork to drive the oblique bolt component of the escape lock to retract.

The design can improve the outward anti-theft performance, can maintain the convenience of opening the door of a user in the door, and saves the step of opening the door by using a key to unlock the door, on the basis of the excellent performance, the utility model is only slightly changed, and the utility model has the advantages of stable performance, simple operation and low production cost by the matching of the parts of the latch, the latch touch toggle piece, the latch limit toggle piece reset spring and the latch limit toggle piece, does not need other matched accessories, does not need to install more expensive conventional double-bolt lock bodies, and can achieve better effect, thereby providing more choices of anti-theft door locks for the user.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The single-bolt anti-insertion mechanical lock body is simple and reasonable in structure and comprises a lining plate (1), a screw (2), a bolt collision reset spring (3), a bolt collision (4), a clamp spring (5), a bolt collision toggle piece limiting sleeve (6), a bolt collision toggle piece (7), an inclined bolt limiting toggle piece reset spring (8), an inclined bolt limiting toggle piece (9), an escape lock inclined bolt assembly (10), an inclined bolt seat (11), an escape lock reversing piece reset spring (12), an escape lock reversing piece (13), a bottom plate (14), a toggle piece (15), a toggle piece limiting nail (16), a square core (17), an escape lock inclined bolt reset spring (18), a square core reset spring (19), a shifting fork (20) and a panel (21), and is characterized in that the wall surface of the inner cavity of the bottom plate (14) is provided with a plurality of hole sites, groove sites and fixing columns according to requirements; the escape lock oblique tongue component (10) is installed on the oblique tongue seat (11), the oblique tongue seat (11) with the escape lock oblique tongue component (10) is fixedly installed by being matched with a fixed column on the right side of the inner cavity of the bottom plate (14), and particularly, the oblique tongue seat (11) is provided with a groove position matched with the fixed column; the escape lock reversing piece resetting spring (12) is sleeved on the right side of the escape lock reversing piece (13), the escape lock reversing piece (13) with the escape lock reversing piece resetting spring (12) is fixedly arranged in a groove position on the upper right of the bottom plate (14), the groove position is specifically on the upper right of the latch bolt seat (11), and the escape lock reversing piece (13) is in contact fit with the latch bolt seat (11); the collision tongue (4) and the oblique tongue limiting poking sheet (9) are fixedly arranged at the center of the inner cavity of the bottom plate (14), and the collision tongue (4) and the oblique tongue limiting poking sheet (9) are matched with each other through the collision tongue poking sheet (7), wherein the collision tongue (4) is provided with a collision tongue reset spring (3), the collision tongue poking sheet (7) is provided with a collision tongue poking sheet limiting sleeve (6), the oblique tongue limiting poking sheet (9) is provided with an oblique tongue limiting poking sheet reset spring (8), and the poking sheet reset spring (8) is connected with the collision tongue poking sheet (7) and the oblique tongue limiting poking sheet (9); the clamp spring (5) is inserted on the shifting piece resetting spring (8); the square core (17) is arranged below the latch bolt limiting shifting sheet (9) and is in contact fit with the latch bolt limiting shifting sheet; the shifting fork (20) and the square core reset spring (19) are sleeved on the square core (17); the poking sheet (15) is arranged on the left side of the inner cavity of the bottom plate (14) through the matching of a poking sheet limiting nail (16) and the fixing column, and a barb is designed and formed at the right end of the poking sheet (15) to match with a shifting fork (20) on the square core (17); an escape lock latch bolt resetting spring (18) is added on a shifting fork (20) on the square core (17) to be connected and matched with the latch bolt seat (11), wherein the escape lock latch bolt resetting spring (18) is specifically fixedly arranged on a fixing column at the lower right corner of the inner cavity of the bottom plate (14), one end of the escape lock latch bolt resetting spring is in contact fit with the latch bolt seat (11), and the other end of the escape lock latch bolt resetting spring extends out of the bottom plate (14); the panel (21) and the lining plate (1) are respectively assembled on the front surface and the top surface of the bottom plate (14) through the matching of screws (2) and fixed columns or hole sites.

2. The mechanical lock body with the simple and reasonable structure and the single bolt anti-plugging function as claimed in claim 1, wherein the escape lock reversing piece (13) is designed with a convex edge to be matched and fixed with the groove position of the bottom plate (14).

3. The mechanical lock body with the simple and reasonable structure and the single bolt anti-plugging function as claimed in claim 1, wherein the latch bolt limiting poking piece (9) is required to be positioned below the latch bolt component (10) of the escape lock.

4. The mechanical lock body with the simple and reasonable structure and the single bolt anti-insertion function as claimed in claim 1, wherein the square core (17) or the shifting fork (20) shifts the oblique bolt limiting shifting piece (9) to drive the oblique bolt component (10) of the escape lock to unlock.

5. A simple and reasonable single-bolt anti-insertion mechanical lock body according to claim 1, characterized in that the bottom surface of the lining plate (1) is welded or integrally formed with a U-shaped positioning connecting piece.