CN218623720U

CN218623720U - Self-locking type cam lock

Info

Publication number: CN218623720U
Application number: CN202221933671.XU
Authority: CN
Inventors: 赵长洋; 李德胜; 常项开; 程敏林; 黄俊杰; 王林; 刘广福
Original assignee: Hubei Sanjiang Aerospace Wanfeng Technology Development Co Ltd
Current assignee: Hubei Sanjiang Aerospace Wanfeng Technology Development Co Ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2023-03-14
Anticipated expiration: 2032-07-25

Abstract

The utility model discloses a from locking-type cam lock belongs to tool to lock technical field, locate the lock tube of lock tube lock end and connect in the spring bolt of lock tube lock end including lock tube and cover, through set up the elastic component between lock tube and lock tube to set up between lock tube and end a position subassembly, utilize the flexible deformation of elastic component, can realize ending in the position subassembly locking or unblock of two end position pieces, realize the self-locking function of cam lock. The utility model discloses a from locking-type cam lock, its simple structure, simple to operate, be suitable for extensively, possess self-locking function, improved the security and the reliability of lock, have better application prospect.

Description

Self-locking type cam lock

Technical Field

The utility model belongs to the technical field of the tool to lock, concretely relates to from locking-type cam lock.

Background

With the continuous development and progress of the human society, the application scenes and the range of the lock are continuously expanded as one of the most common articles. In recent years, with the development of industries such as houses, industrial equipment and the like, the demands on the lock are more and more, the consumption demands of the lock market are greatly driven, and the lock industry is promoted to develop rapidly.

In the development process of the lockset, the lock is various in variety and form, wherein the cam lock is one of the most common lockset types, and the cam lock is widely applied to scenes such as various article cabinets, electronic cabinets and the like due to simple structure, convenient installation and simple and convenient operation, thereby occupying a place in various lockset markets.

Generally, a rotating bolt lock mainly comprises a lock sleeve, a lock shaft and a lock bolt, wherein the lock shaft is rotated by a key to drive the rotating bolt to rotate, so that the lock is unlocked or locked. After the traditional rotating bolt lock is used for a long time, the lock body is easy to loosen, when the door lock is in severe vibration and the like, the lock shaft is easy to automatically rotate to drive the bolt to rotate, the condition that the door lock is automatically opened is caused, and the reliability and the safety of the door lock are influenced.

SUMMERY OF THE UTILITY MODEL

To the above defect of prior art or improve in the demand one or more, the utility model provides a from locking-type spring bolt lock can realize the self-locking function of lock body, improves the security and the reliability of lock body.

In order to achieve the purpose, the utility model provides a self-locking cam lock, which comprises a lock shaft, a lock tongue and a lock sleeve; the lock sleeve is sleeved at the fore shaft end of the lock shaft, and the lock tongue is connected to the lock cylinder end of the lock shaft;

the device also comprises an elastic piece and a stop component;

the elastic piece is arranged between the lock shaft and the lock sleeve and used for providing an axial movement space for the lock shaft after elastic deformation;

the stop assembly comprises a first stop piece arranged on the lock shaft and a second stop piece arranged on the lock sleeve; the two stop members are matched and locked when the elastic member is not compressed, and are unlocked when the elastic member is compressed.

As a further improvement of the utility model, the spring bolt is in the position of setting up on the lock cylinder end is adjustable along the axial.

As a further improvement of the utility model, a stepped hole is arranged in the middle of the lock sleeve, and an annular step is formed at one end close to the lock tongue; and the periphery of the lock port end is provided with a bulge;

correspondingly, the elastic piece is a spring coaxially sleeved on the periphery of the locking port end, one end of the elastic piece is abutted to the annular step, and the other end of the elastic piece is abutted to the protrusion.

As a further improvement of the present invention, the first stop member and the second stop member are matched in a groove-projection locking manner or a tooth-meshing locking manner.

As a further improvement of the utility model, the matching form between the two stop parts is a groove-lug locking form; and is

The first stop piece is arranged on the stop protrusion on the periphery of the end of the lock cylinder, and the second stop piece is arranged on the stop groove on the periphery of the end of the lock sleeve.

As a further improvement of the present invention, the first stop member is at least one end protruding from the pin of the peripheral wall surface of the lock cylinder end, and corresponds to the pin is in the pin hole has been opened in the periphery of the lock cylinder end.

As a further improvement of the present invention, the lock end and the lock cylinder end are integrally formed;

or

The lock cylinder end is connected with the lock cylinder end in an assembling mode through a connecting piece, and the first stop piece is at least one protruding block fixedly arranged on the periphery of the lock cylinder end.

As a further improvement of the utility model, be provided with first sign on the terminal surface of lock end for instruct the turned position of this lock axle.

As a further improvement of the utility model, a second mark is arranged on the end face of the lock sleeve.

As a further improvement of the utility model, the lock sleeve outer peripheral face is provided with at least one axially extending anti-rotation plane.

The above-described improved technical features may be combined with each other as long as they do not conflict with each other.

Generally, through the utility model above technical scheme who conceives compares with prior art, the beneficial effect who has includes:

(1) The utility model discloses a from locking-type cam lock, it sets up the elastic component and ends the position subassembly through at the lock sleeve fit in, utilize the compression deformation of elastic component, provide the space for the axial motion of lock axle, and for the locking and the unblock of two end position pieces in ending the position subassembly provide the condition, ensure that the lock axle can be in self-locking state when no exogenic action, realize the self-locking function of cam lock, when guaranteeing the lock closed condition, the lock axle can not receive the influence of other factors and take place to rotate, improve the security and the reliability of lock body.

(2) The utility model discloses a from locking-type cam lock, it sets up through the spring bolt is nimble on the lock cylinder for its axial position is adjustable, can satisfy the regulation demand under the different application condition in a flexible way, promotes the application scope and the commonality of cam lock, reduces the application cost of cam lock.

(3) The utility model discloses a from locking-type rotating-tongue lock, it is through ending the position subassembly and setting up to recess-lug form or tooth meshing complex locking form, it is simple, the assembly is convenient to set up the form, can effectively guarantee to end the operational reliability of position subassembly under the auto-lock state. Meanwhile, the marks are arranged on the lock opening and the lock sleeve, so that the indication is provided for the opening or closing state of the door lock, and convenience is provided for a user to identify the state of the door lock. In addition, the periphery of the lock sleeve is partially arranged to be a plane extending along the axial direction, so that the lock sleeve can be effectively prevented from rotating after being matched with a door body hole or component combination with the same section, and the reliability of the arrangement of the whole cam lock structure is ensured.

(6) The utility model discloses a from locking-type cam lock, its simple structure, simple to operate, be suitable for extensively, possess self-locking function, improved the security and the reliability of lock, have better application prospect.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a sectional view of a self-locking cam lock according to an embodiment of the present invention;

fig. 2 is a close state diagram of the self-locking cam lock in the embodiment of the present invention;

fig. 3 is an opening state diagram of the self-locking cam lock in the embodiment of the present invention;

in all the figures, the same reference numerals denote the same features, in particular:

1. a lock sleeve; 2. a lock shaft; 3. a latch bolt; 4. an elastic member; 5. a stop assembly; 6. flattening the cushion; 7. fastening a nut; 8. pressing the snail; 101. a boss; 102. a second identifier; 201. locking the opening; 202. a protrusion; 203. a lock cylinder; 204. mounting holes; 205. a first identifier; 501. a first stop member; 502. a second stop member.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Example (b):

referring to fig. 1 to 3, the self-locking type cam lock in the preferred embodiment of the present invention includes a lock sleeve 1, a lock shaft 2, a lock tongue 3, an elastic member 4 and a stop member 5, wherein the lock sleeve 1 is an internal hollow structure with openings at two ends, is sleeved at one end of the lock shaft 2, and is disposed at a position where a lock body is installed on a door panel to provide support for installation of a door lock; the other end of lock shaft 2 is connected with spring bolt 3, ends position subassembly 5 and sets up between spring bolt 3 and lock tube 1, and elastic component 4 sets up between 1 through-hole of lock tube and lock shaft 2.

Specifically, as shown in fig. 1, the lock sleeve 1 in the preferred embodiment has a stepped hole formed therein and extending in the axial direction, and an annular step is formed at an end close to the latch tongue 3 to provide a space for the lock shaft 2 and the elastic member 4 to be mounted and moved. Preferably, a boss 101 is further arranged on the periphery of one end of the lock sleeve 1 to limit the fixed installation of the lock sleeve 1; correspondingly, threads are arranged on the periphery of the lock sleeve 1, and the flat gasket 6 and the fastening nut 7 are matched and connected with the threads to fixedly connect the other end of the lock sleeve 1 to the door body.

Preferably, at least one plane extending along the axial direction is arranged on part of the outer peripheral surface of the lock sleeve 1, so that the installation position of the lock sleeve 1 on the door panel is further limited, and the lock sleeve is prevented from rotating along the axial direction of the lock sleeve in the door body.

Meanwhile, the fastening nut 7 is preferably reinforced, for example, a thread locking glue and a locking liquid are coated on the screwing position of the thread corresponding to the fastening nut 7, or a locking nut and the like are arranged on one side of the fastening nut 7, which is deviated from the door plate, so that the door lock is prevented from falling off due to the loosening of the nut, and the reliability of the door lock is improved.

Further, as shown in fig. 1, the lock shaft 2 in the preferred embodiment includes a lock notch 201 and a lock cylinder 203, and the lock notch 201 is disposed in the lock sleeve 1 and provided with a protrusion 202 at its outer periphery and is axially movable or rotatable in the lock sleeve 1.

More specifically, the locking notch 201 and the locking column 203 in the preferred embodiment may be integrally formed, or may be assembled and connected by a connector, for example, mating threads are respectively disposed at the ends of the locking notch 201 and the locking column 203, and the locking notch and the locking column 203 are assembled by screwing, or a connecting hole is disposed at a corresponding position and connected by a pin, a bolt, or the like.

Further, the bolt 3 in the preferred embodiment is arranged at one end of the lock cylinder 203 and is fixedly connected with the lock cylinder 203, the lock shaft 2 is rotated by a key to further drive the bolt 3 to rotate, so that the door lock is opened or closed, and preferably, the connection position of the bolt 3 on the lock cylinder 203 is adjustable along the axial direction.

In the embodiment shown in fig. 1, preferably, a thread is provided at a position corresponding to the lock cylinder 203, and both sides of the latch bolt 3 are pressed and fixed by the pressing bolt 8, and the fixing position of the latch bolt 3 on the lock cylinder 203 is changed by adjusting the pressing bolt 8, so as to adapt to different door bodies and increase the application range of the lock body. Of course, the bolt 3 may be directly provided with a matching thread to adjust the installation position thereof, or pin holes may be provided at a plurality of positions of the lock cylinder 203, and a pin may be driven into the pin hole at a corresponding position of the bolt 3 to fix the bolt 3.

Further, an elastic member 4 is provided between the lock sleeve 1 and the lock shaft 2, and an axial movement space is provided for the lock shaft 2 by the compression deformation of the elastic member 4.

Preferably, the elastic element 4 in the embodiment shown in fig. 1 is preferably a spring, one end of which abuts on an annular step in the lock sleeve 1 and the other end of which abuts on the projection 202 and is preferably coaxially sleeved on the lock shaft 2. Of course, besides the above-mentioned spring, the elastic member 4 in the preferred embodiment may be provided with other elastic members, such as rubber ring, or may be provided with other members capable of achieving compression recovery, such as hydraulic or pneumatic telescopic mechanisms, magnetic members, etc., according to actual requirements.

Further, the stop assembly 5 in the preferred embodiment is disposed between the latch bolt 3 and the lock sleeve 1, and includes a first stop member 501 disposed on the lock shaft 2 and a second stop member 502 disposed at one end of the lock sleeve 1, and the two stop members are disposed in cooperation with the elastic member 4. When the locking notch 201 is not acted by external force, the elastic part 4 is not compressed and is in an initial state, at the moment, the elastic part 4 naturally extends or is in a certain pre-compression state, and the two stop parts are matched and locked; when the key is used as the locking notch 201, the lock cylinder 203 is pushed along the axial direction, so that the elastic element 4 is in a compressed state, at the moment, the two stop elements are unlocked, and the lock cylinder 203 and the bolt 3 can correspondingly rotate.

Through the combination setting of stopping position subassembly 5 and elastic component 4, can lock the axial rotation of lock axle 2 in lock tube 1, make lock body self possess the locking function, prevent to lead to the lock to open because of the rotation of lock axle 2, improve the security and the reliability of lock.

In particular, the stop assembly 5 in the preferred embodiment is provided with a mating form of a groove-and-projection locking form or a tooth-and-tooth locking form.

As for the former, the first stop member 501 in the preferred embodiment is a stop protrusion disposed on the outer periphery of the lock cylinder 203, preferably a bolt or a bolt having at least one end protruding from the outer peripheral wall of the lock cylinder 203, and a corresponding mounting hole 204 is disposed in the lock cylinder 203; in addition, when the locking notch 201 and the locking column 203 are preferably connected by fitting a connector, it is further preferable that the first stopper 501 is at least one protrusion fixedly disposed on the outer periphery of the locking column 203. The second stop member 502 is a stop groove provided on the outer periphery of the end face or end portion of the lock sleeve 1.

In the latter case, the first stop member 501 and the second stop member 502 in the preferred embodiment are oppositely disposed tooth surfaces, and the rotation of the lock shaft 2 is locked by the engagement between the two.

Further, it is preferable that a first mark 205 for indicating the rotational position of the lock shaft 2 is provided on the end surface of the lock notch 201; it is further preferable that the second mark 102 is provided on the end surface of the lock sleeve 1, and the arrangement of the relative positions of the first mark 205 and the second mark 102 helps the user to clearly recognize the open or closed state of the door lock.

In another embodiment, the lock body is hidden in the door body, and in order to prevent people from being closed by mistake, an emergency inner locking device is preferably arranged on the inner side of the door body. At this time, the tail end of the lock cylinder 203 extends out of the inner side of the door body, and a stretching protrusion or a handle is arranged on the periphery of the tail end, so that a person on the inner side of the door body can unlock the door body by pulling the lock cylinder 203 and rotating the lock cylinder.

The utility model provides a from locking-type cam lock, its simple structure, simple to operate, be suitable for extensively, possess self-locking function, improved the security and the reliability of lock, have better application prospect.

It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

Claims

1. A self-locking type cam lock comprises a lock shaft, a lock tongue and a lock sleeve; the lock sleeve is sleeved at the fore shaft end of the lock shaft, and the lock tongue is connected to the lock cylinder end of the lock shaft; it is characterized in that the preparation method is characterized in that,

the device also comprises an elastic piece and a stop component;

the stop assembly comprises a first stop piece arranged on the lock shaft and a second stop piece arranged on the lock sleeve; the two stop members can be matched and locked when the elastic member is not compressed and unlocked when the elastic member is compressed.

2. The self-locking twist-bolt lock of claim 1, wherein the setting position of the bolt on the end of the lock cylinder is axially adjustable.

3. The self-locking type cam lock of claim 1, wherein a stepped hole is formed in the middle of the lock sleeve, and an annular step is formed at one end close to the lock tongue; and the periphery of the lock port end is provided with a bulge;

4. The self-locking type cam lock according to claim 1, wherein the matching form between the first stop member and the second stop member is a groove-projection locking form or a tooth-engagement locking form.

5. The self-locking type cam lock according to claim 4, wherein the matching form between the two stop members is a groove-projection locking form; and is provided with

6. The self-locking type cam lock of claim 5, wherein the first stopping member is a pin having at least one end protruding from the outer peripheral wall surface of the lock cylinder end, and a pin hole is formed in the outer periphery of the lock cylinder end corresponding to the pin.

7. The self-locking type turn tongue lock according to claim 5, wherein the lock cylinder end and the lock mouth end are integrally formed;

or alternatively

8. The self-locking type twist-bolt lock according to any one of claims 1 to 7, wherein a first mark is provided on an end surface of the lock end for indicating a rotational position of the lock shaft.

9. The self-locking twist-bolt lock of claim 8, wherein a second mark is provided on an end surface of the lock sleeve.

10. The self-locking twist-bolt lock according to any one of claims 1 to 7 and 9, wherein at least one axially extending anti-rotation plane is provided on the outer circumferential surface of the lock sleeve.