CN210483279U

CN210483279U - Inserting piece lock

Info

Publication number: CN210483279U
Application number: CN201920535084.7U
Authority: CN
Inventors: 黄奔
Original assignee: Guangzhou Xiaopeng Motors Technology Co Ltd
Current assignee: Guangzhou Xiaopeng Motors Technology Co Ltd
Priority date: 2019-04-18
Filing date: 2019-04-18
Publication date: 2020-05-08
Anticipated expiration: 2029-04-18

Abstract

The utility model discloses an inserted sheet lock for the tool to lock field, including lock shell, lock core and with the lock core rocking arm that the lock core is connected, be equipped with the key hole on the lock core, follow on the lock core the length direction of key hole is equipped with a plurality of levels lock core groove, and is all at all levels the lock core groove all includes symmetric distribution and is in the first lock core groove and the second lock core groove of key hole both sides, be equipped with first inserted sheet and first leaf spring of inserting in the first lock core groove, be equipped with second inserted sheet and second leaf spring of inserting in the second lock core groove, first inserted sheet and second inserted sheet components of a whole that can function independently set up, all be equipped with on first inserted sheet and the second inserted sheet and stretch into side tooth in the key hole, be equipped with the confession on the lock shell first inserted sheet and second inserted sheet embedding are with the locking the limit structure of lock core. This technical scheme increases inserted sheet quantity through changing the inserted sheet type for destructive moment improves by a wide margin, has increased the theftproof performance.

Description

Inserting piece lock

Technical Field

The utility model is used for the tool to lock field especially relates to an inserted sheet lock.

Background

The general insert lock is provided with a lock shell and a lock cylinder, the lock cylinder is arranged in the lock shell, the lock shell is arranged on a door plate, a key is inserted into a lock hole to drive the lock cylinder to rotate, and the lock cylinder drives a lock pin to rotate, so that unlocking or locking is realized. In the prior art, the inserting pieces of the lock cylinder are all integral inserting pieces, the integral inserting pieces are single in type, the ejecting height of the integral inserting pieces in the lock cylinder is limited, destructive torque is small, and the anti-theft performance is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a plug-in sheet lock, it can make destructive moment increase substantially, increases the theftproof performance.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an inserted sheet lock, including lock shell, lock core and with the lock core rocking arm that the lock core is connected, be equipped with the key hole on the lock core, follow on the lock core the length direction of key hole is equipped with a plurality of grades of lock core grooves, and is all included symmetric distribution in the lock core groove first lock core groove and the second lock core groove of key hole both sides, be equipped with first inserted sheet and first leaf spring of inserting in the first lock core groove, it inserts the leaf spring to be equipped with second inserted sheet and second in the second lock core groove, first inserted sheet and second inserted sheet components of a whole that can function independently set up, all be equipped with on first inserted sheet and the second inserted sheet and stretch into side tooth in the key hole, be equipped with the confession on the lock shell first inserted sheet and second inserted sheet embedding are in order to lock the limit structure of lock core.

Preferably, the first inserting piece and the second inserting piece are provided with spring seats, one end of the first inserting leaf spring is connected with the lock cylinder, and the other end of the first inserting leaf spring is connected with the spring seat of the first inserting piece; one end of the second insert leaf spring is connected with the lock cylinder, and the other end of the second insert leaf spring is connected with the spring seat of the second insert leaf spring.

Preferably, first inserted sheet and second inserted sheet all are equipped with spacing tooth, the spacing tooth of first inserted sheet can be under the effect of first inserted sheet spring automatic with limit structure cooperates, the spacing tooth of second inserted sheet can be under the effect of second inserted sheet spring automatic with limit structure cooperates.

Preferably, the height of the limiting teeth of the first insert sheet and the height of the limiting teeth of the second insert sheet in the lock cylinder groove of the same stage are different.

Preferably, the height of the limiting teeth of the first insert and the second insert in the lock cylinder groove in different stages is different.

Preferably, in the lock cylinder groove of the same stage, the side teeth of the first insert and the side teeth of the second insert are symmetrically arranged.

Preferably, the side tooth edges are provided with bevels.

Preferably, a return spring capable of driving the lock cylinder to return is arranged on the lock shell.

One of the above technical solutions has at least one of the following advantages or beneficial effects: when a matched key is inserted, the key is matched with the side teeth of the inserting pieces, so that the first inserting pieces and the second inserting pieces are all accommodated in the lock cylinder, and the lock cylinder rocker arm can rotate together with the lock cylinder to realize unlocking and locking; the non-matching key is inserted, the first inserting piece and the second inserting piece are respectively bounced under the action of the first inserting leaf spring and the second inserting leaf spring, and the bounced part is matched with the lock shell limiting structure, so that unlocking cannot be performed. This technical scheme increases inserted sheet quantity through changing the inserted sheet type for destructive moment improves by a wide margin, has increased the theftproof performance.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a front view of the structure of one embodiment shown in FIG. 1;

FIG. 3 is a cross-sectional view taken at A-A in FIG. 2;

FIG. 4 is a schematic view of the first and second insert of the embodiment shown in FIG. 1;

FIG. 5 is a schematic view of the first and second insert of the embodiment shown in FIG. 1 engaged with a lock housing;

fig. 6 is a schematic view of the first and second inserts of the embodiment shown in fig. 1 being engaged with a lock cylinder.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the present invention, if there is a description of directions (up, down, left, right, front and back), it is only for convenience of description of the technical solution of the present invention, and it is not intended to indicate or imply that the technical features indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the present invention, "a plurality" means one or more, "a plurality" means two or more, "more than", "less than", "more than", and the like, which means that the number is not included; the terms "above", "below", "within" and the like are to be understood as including the number. In the description of the present invention, if there is any description of "first" and "second" only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the present invention, unless otherwise explicitly defined, the terms "set," "mounted," "connected," and the like are to be understood in a broad sense, and may be directly connected or indirectly connected through an intermediate medium, for example; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be mechanically coupled, may be electrically coupled or may be capable of communicating with each other; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1 and 3, an embodiment of the present invention provides an insert lock, including a lock shell 1, a lock cylinder 2 and a lock cylinder rocker arm 3 connected to the lock cylinder 2, wherein the lock shell 1 has a lock cylinder hole, the lock cylinder 2 is assembled in the lock cylinder hole, a key hole 4 is provided on the lock cylinder 2, and when a matching key is inserted, the lock cylinder rocker arm 3 can rotate together with the lock cylinder 2 to realize unlocking and locking, wherein, referring to fig. 3 and 6, a plurality of stages of lock cylinder slots 5 are provided on the lock cylinder 2 along a length direction of the key hole 4, each stage of lock cylinder slots 5 include a first lock cylinder slot and a second lock cylinder slot symmetrically distributed at two sides of the key hole 4, referring to fig. 4 and 5, a first insert 6 and a first insert leaf spring 7 are provided in the first lock cylinder slot, a second insert 8 and a second insert leaf spring 9 are provided in the second lock cylinder slot, the first insert 6 and the second insert leaf spring 8 are provided separately, all be equipped with on first inserted sheet 6 and the second inserted sheet 8 and stretch into side tooth 10 in the key hole 4 for match with the key, be equipped with the confession on the lock shell 1 first inserted sheet 6 and the embedding of second inserted sheet 8 are in order to lock the limit structure 12 of lock core 2. The position limiting structure 12 can be a position limiting groove, a position limiting hole and the like.

When the lock core rocker arm is used, when a matched key is inserted, the key is matched with the side teeth 10 of the inserting pieces, so that the first inserting pieces 6 and the second inserting pieces 8 are completely retracted into the lock core 2, and the lock core rocker arm 3 can rotate together with the lock core 2 to realize unlocking and locking; when a non-matching key is inserted, the first inserting piece 6 and the second inserting piece 8 are respectively bounced under the action of the first inserting leaf spring 7 and the second inserting leaf spring 9, and the bounced parts are matched with the limiting structure 12 of the lock shell 1 and cannot be unlocked. According to the technical scheme, the number of the inserting pieces is increased by changing the type of the inserting pieces, and the bounce height is at least 1.5-2 times higher than that of the existing inserting pieces, so that destructive torque is greatly improved, and the anti-theft performance is improved.

In some embodiments, referring to fig. 4 and 5, the first insert 6 and the second insert 8 each have a spring seat 11 for cooperating with an insert spring, that is, one end of the first insert spring 7 is connected with the lock cylinder 2, and the other end is connected with the spring seat 11 of the first insert 6; one end of the second insert spring 9 is connected with the lock core 2, and the other end of the second insert spring is connected with the spring seat 11 of the second insert 8. The first leaf inserting spring 7 and the second leaf inserting spring 9 can adopt a pressure spring, a spring sheet and the like.

In some embodiments, referring to fig. 4 and 5, the outer end of the spring seat 11 has an arc end surface, when the insert is matched with the limiting structure 12, the arc end surface is matched with the hole wall of the lock cylinder hole, the first insert 6 and the second insert 8 are both provided with limiting teeth 13, the limiting teeth 13 are arranged at one end where the arc end surface is located, the limiting teeth 13 of the first insert 6 can be automatically matched with the limiting structure 12 under the action of the first insert spring 7, and the limiting teeth 13 of the second insert 8 can be automatically matched with the limiting structure 12 under the action of the second insert spring 9.

The difference between the radius of the addendum circle of the limit tooth 13 and the radius of the heel circle of the limit tooth 13 is the height of the limit tooth 13, wherein the heel circle of the limit tooth 13 coincides with the arc-shaped end surface, and in some embodiments, the height of the limit tooth 13 of the first insert piece 6 and the height of the limit tooth 13 of the second insert piece 8 in the lock cylinder groove 5 at the same level are different. By designing the limit teeth 13 with unequal heights, the bounce height is increased, and the destructive moment is improved by 3-4 times.

In some embodiments, the heights of the limiting teeth 13 of the first insert 6 and the second insert 8 in the lock cylinder groove 5 in different stages are different, and the bounce height is increased and the destructive torque is increased by 3-4 times by designing the limiting teeth 13 with different heights.

In some embodiments, referring to fig. 4 and 5, in the key cylinder slot 5 of the same stage, the side teeth 10 of the first insert 6 and the side teeth 10 of the second insert 8 are symmetrically arranged, and the front and back surfaces of the matched key have the same key tooth shape, so that the matched key is convenient to use.

In order to facilitate the engagement of the side bitting 10 with the key and to facilitate the smooth entry and exit of the key into the keyway 4, the side bitting 10 is beveled at its edge, see fig. 4 and 5.

In some embodiments, a return spring 14 capable of driving the lock cylinder 2 to return is arranged on the lock case 1, so that the lock cylinder 2 can automatically return to the original position after being twisted.

The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims

1. The utility model provides an inserted sheet lock which characterized in that: including lock shell, lock core and with the lock core rocking arm that the lock core is connected, be equipped with the key hole on the lock core, follow on the lock core the length direction of key hole is equipped with a plurality of grades of lock core grooves, and is all at different levels the lock core groove all includes the symmetric distribution and is in the first lock core groove and the second lock core groove of key hole both sides, be equipped with first inserted sheet and first leaf spring of inserting in the first lock core groove, it inserts the leaf spring to be equipped with second inserted sheet and second in the second lock core groove, first inserted sheet and second inserted sheet components of a whole that can function independently set up, all be equipped with on first inserted sheet and the second inserted sheet and stretch into side tooth in the key hole, be equipped with the confession on the lock shell first inserted sheet and second inserted sheet embedding are in order to lock the limit structure of lock core.

2. A tab lock according to claim 1, wherein: the first inserting piece and the second inserting piece are provided with spring seats, one end of the first inserting leaf spring is connected with the lock cylinder, and the other end of the first inserting leaf spring is connected with the spring seat of the first inserting piece; one end of the second insert leaf spring is connected with the lock cylinder, and the other end of the second insert leaf spring is connected with the spring seat of the second insert leaf spring.

3. A tab lock according to claim 2, wherein: first inserted sheet and second inserted sheet all are equipped with spacing tooth, the spacing tooth of first inserted sheet can be under the effect of first inserted sheet spring automatic with limit structure cooperates, the spacing tooth of second inserted sheet can be under the effect of second inserted sheet spring automatic with limit structure cooperates.

4. The blade lock of claim 3, wherein: the height of the limiting teeth of the first inserting sheet and the height of the limiting teeth of the second inserting sheet in the lock cylinder groove at the same level are different.

5. The blade lock of claim 3, wherein: the height of the limiting teeth of the first inserting sheet and the second inserting sheet in the lock cylinder groove at different stages is different.

6. A tab lock according to claim 1, wherein: in the lock cylinder groove of the same level, the side teeth of the first inserting sheet and the side teeth of the second inserting sheet are symmetrically arranged.

7. A tab lock according to claim 1, wherein: the side tooth edge is provided with an oblique angle.

8. A tab lock according to claim 1, wherein: and the lock shell is provided with a return spring which can drive the lock cylinder to reset.