CN211369830U

CN211369830U - Handle door and window lock prevents mistake and opens locking mechanical system

Info

Publication number: CN211369830U
Application number: CN201921883951.2U
Authority: CN
Inventors: 刘毅
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-08-28
Anticipated expiration: 2029-11-04

Abstract

The utility model relates to a locking mechanical system is prevented mistake by handle door and window lock, which comprises a mounting bas, be equipped with the pivot in the mount pad, the one end fixed connection handle of pivot, the fixed transmission square strip that pegs graft on the axis of pivot, the handle drives the transmission square strip rotation through the pivot, the middle part of mount pad is provided with axial extension's axle sleeve, the pivot is rotationally pegged graft in the axle sleeve, coaxial stator and the rotation section that divide into around the axle sleeve, the rotation section rotationally cup joints planar cam outward, the outer fixed locking cover that cup joints of stator, the axial is seted up the through-hole on the locking cover, lockpin overcoat spring activity is pegged graft in the through-hole, the one end of lockpin forms into circular lock cap, circular lock cap offsets clearance fit with planar cam, the other end of lockpin is. When the plane cam rotates, one end of the lock pin can be inserted into the locking hole, the handle can not rotate, the child false opening operation can be effectively prevented, and the plane cam has the advantages of simple and compact structural design, convenience in operation and use for adults and strong reliability.

Description

Handle door and window lock prevents mistake and opens locking mechanical system

Technical Field

The utility model relates to a locking mechanical system is prevented mistake by handle door and window lock and opened.

Background

The opening and closing operation of the existing door and window lock is very convenient and easy, especially the window lock, the opening and closing operation which is convenient and easy enables children to open easily, and a lot of potential safety hazards are increased. Therefore, some door and window locks with the design of preventing children from being opened by mistake are designed by adding a mechanical lock cylinder in a lock body and using a traditional key for opening, the structure of the design is complex, the production cost of the product is greatly increased, the key is specially kept, and obviously, the normal operation and use of adults are complicated and are difficult to identify in the market.

Disclosure of Invention

In order to overcome among the prior art ordinary door and window lock structural design who prevents the mistake and open the design complicated, not only greatly increased the manufacturing cost of product, adult's normal operating use also becomes loaded down with trivial details problem moreover, the utility model provides a locking mechanical system is prevented opening by mistake by handle door and window lock, this locking mechanical system is prevented opening by mistake by handle door and window lock's structural design is simple compact, adult operation convenient to use, good reliability.

The utility model provides a technical scheme that its technical problem adopted is: including the mount pad, be equipped with the pivot in the mount pad, the one end fixed connection handle of pivot, fixed grafting transmission square bar on the axis of pivot, the handle drives the transmission square bar rotation through the pivot, the middle part of mount pad is provided with the axle sleeve of axial extension, the pivot is rotationally pegged graft in the axle sleeve, coaxial being divided into canned paragraph and rotation segment around the axle sleeve, the plane cam is rotationally cup jointed outward to the rotation segment, the outer fixed locking cover that cup joints of canned paragraph, the axial is seted up the through-hole on the locking cover, lockpin overcoat spring activity is pegged graft in the through-hole, the one end of lockpin is formed into circular lock nut, circular lock nut offsets movable fit with the plane cam, the other end of lockpin cooperatees with.

The mounting seat is provided with a mounting hole, the rotating section is sleeved with the shielding cover relative to the mounting hole, and a jacking spring is arranged between the shielding cover and the plane cam to position the shielding cover.

The plane cam is provided with a groove at one side relative to the shielding cover, and the jacking spring is sleeved outside the rotating section in the groove.

The middle axis of the rotating shaft is provided with a long hole for fixedly inserting the transmission square bar, the rotating shaft protrudes out of the end part of the shaft sleeve and is fixedly inserted into the handle, the connecting screw in the long hole is fixedly connected with the handle, and the handle drives the transmission square bar to rotate through the rotating shaft.

The utility model discloses an above-mentioned concrete design rotates the one end that the plane cam can make the lockpin and inserts the locking hole on the handle, and the handle passes through the lockpin and locks the cover and fuses, and the handle can not rotate promptly, can effectively prevent children's mistake opening operation, has the advantage that structural design is simple compact, adult operation convenient to use, good reliability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic structural view of the present invention in an unlocked state.

Fig. 2 is a schematic structural diagram of the present invention in a locked state.

In the figure: 1. the mounting base, 2, pivot, 3, the handle, 4, transmission square bar, 5, axle sleeve, 5A, fixed section, 5B, rotation section, 6, planar cam, 7, locking cover, 8, through-hole, 9, lockpin, 9a, circular lock cap, 10, spring, 11, locking hole, 12, mounting hole, 13 shield lid, 14, roof pressure spring, 15, recess, 16, slot hole, 17, connecting screw.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in the figure, the utility model comprises a mounting seat 1, a rotating shaft 2 is arranged in the mounting seat 1, one end of the rotating shaft 2 is fixedly connected with a handle 3, a transmission square bar 4 is fixedly inserted on the central axis of the rotating shaft 2, the handle 3 drives the transmission square bar 4 to rotate through the rotating shaft 2, an axially extending shaft sleeve 5 is arranged in the middle of the mounting seat 1, the rotating shaft 2 is rotatably inserted in the shaft sleeve 5, the shaft sleeve 5 is coaxially divided into a fixed section 5A and a rotating section 5B in front and back, the rotating section 5B is rotatably sleeved with a plane cam 6, the fixed section 5A is fixedly sleeved with a locking sleeve 7, a through hole 8 is axially arranged on the locking sleeve 7, a spring 10 is movably inserted in the through hole 8 outside a locking pin 9, one end of the lock pin 9 is formed into a circular lock cap 9a, the circular lock cap 9a is propped against the plane cam 6 and is in movable fit, and the other end of the lock pin 9 is matched with a locking hole 11 formed in the end part of the handle 3. The mounting base 1 is provided with a mounting hole 12, the mounting hole 12 is used for mounting and fixing the lock body on the section bar through a mounting screw, the rotating section 5B is sleeved with a shielding cover 13 relative to the mounting hole 12, and a pressing spring 14 is arranged between the shielding cover 13 and the plane cam 6 to position the shielding cover 13. The shielding cover 13 can be rotated to expose the mounting hole 12 for convenient installation, after the installation is completed, the shielding cover 13 is rotated to cover the mounting hole 12, so that the surface is simpler, the jacking spring 14 is pressed against the shielding cover 13, and the shielding cover 13 cannot be loosened. The side of the flat cam 6 facing the cover 13 is provided with a recess 15, in which recess 15 the pressure spring 14 engages outside the rotary section 5B. The top pressure spring 14 is protected in the groove 15, the service life of the top pressure spring 14 is prolonged, and the reliability is improved. Be equipped with slot hole 16 on the axis of pivot 2 and be used for fixed grafting

transmission square bar

4, 2 salient portions in the tip of axle sleeve 5 are pegged graft with handle 3 is fixed to through connecting screw 17 in the length 16 and handle 3 fixed connection, handle 3 drives transmission square bar 4 through pivot 2 and rotates.

After the window lock is locked by the window sash, if the window lock is required to be prevented from being opened by children by mistake, an operator can further rotate the plane cam 6, the plane cam 6 linearly pushes the lock pin 9 through the abutted circular lock cap 9a, the spring 10 is compressed, the outer end of the lock pin 9 is inserted into the lock hole 11 formed in the end part of the handle 3, namely, the handle 3 is connected with the locking sleeve 7 into a whole through the lock pin 9, and the locking sleeve 7 is fixedly matched with the fixing section 5A of the shaft sleeve 5, namely, the locking sleeve 7 cannot be rotated in the fixing section 5A, so that the handle 3 cannot be rotated to be locked, and the mistaken opening can be prevented. And when the plane cam 6 is continuously or reversely rotated, the lock pin 9 is separated from the locking hole 11 on the handle 3 under the action of the spring 10, the handle 3 is unlocked, and the handle 3 can be rotated to unlock.

The embodiment just right the utility model relates to a handle door and window lock prevents that locking mechanical system's preferred embodiment is described by mistake not inject utility model's conception and scope, is not keeping away from the utility model discloses under the prerequisite of scheme, the technical of the field personnel is right the utility model discloses a various appearance variants and the improvement that technical scheme made all should fall into the utility model relates to a handle door and window lock prevents that locking mechanical system's protection scope is prevented by mistake.

Claims

1. A handle door and window lock anti-false-unlocking locking mechanism comprises a mounting seat, wherein a rotating shaft is arranged in the mounting seat, one end of the rotating shaft is fixedly connected with a handle, a transmission square bar is fixedly inserted on a central axis of the rotating shaft, the handle drives the transmission square bar to rotate through the rotating shaft, and the handle door and window lock anti-false-unlocking locking mechanism is characterized in that the middle part of the mounting seat (1) is provided with an axially extending shaft sleeve (5), the rotating shaft (2) is rotatably inserted in the shaft sleeve (5), the front part and the rear part of the shaft sleeve (5) are coaxially divided into a fixed section (5A) and a rotating section (5B), the rotating section (5B) is externally and rotatably sleeved with a plane cam (6), the fixed section (5A) is externally and fixedly sleeved with a locking sleeve (7), a through hole (8) is axially formed in the locking sleeve (7), a spring (10) is movably inserted in the through hole (8) in a sleeved outside the locking pin (9, the other end of the lock pin (9) is matched with a locking hole (11) arranged at the end part of the handle (3).

2. The handle door and window lock anti-false-opening locking mechanism as claimed in claim 1, wherein the mounting seat (1) is provided with a mounting hole (12), the rotary section (5B) is sleeved outside the shielding cover (13) relative to the mounting hole (12), and a pressing spring (14) is arranged between the shielding cover (13) and the plane cam (6) to position the shielding cover (13).

3. The handle door and window lock anti-false-opening locking mechanism as claimed in claim 2, wherein a groove (15) is formed on one side of the plane cam (6) opposite to the shielding cover (13), and the pressing spring (14) is sleeved outside the rotating section (5B) in the groove (15).

4. The handle door and window lock anti-false-opening locking mechanism is characterized in that a long hole (16) is formed in the central axis of the rotating shaft (2) and used for fixedly inserting the transmission square bar (4), the end portion, protruding out of the shaft sleeve (5), of the rotating shaft (2) is fixedly inserted into the handle (3) and fixedly connected with the handle (3) through a connecting screw (17) in the long hole (16), and the handle (3) drives the transmission square bar (4) to rotate through the rotating shaft (2).