CN210087053U

CN210087053U - Lock bolt for preventing child from opening by mistake

Info

Publication number: CN210087053U
Application number: CN201920248318.XU
Authority: CN
Inventors: 谢向君; 刘娟
Original assignee: Jiangsu Hongji Metalwork Co Ltd
Current assignee: Jiangsu Hongji Metalwork Co Ltd
Priority date: 2019-02-27
Filing date: 2019-02-27
Publication date: 2020-02-18
Anticipated expiration: 2029-02-27

Abstract

The utility model discloses a plunger latch for preventing children from opening by mistake, which comprises a lock body and a lock groove which are oppositely arranged, the lock body is internally provided with an installation cavity, the installation cavity is internally provided with a lock tongue, a connecting rod, a positioning sleeve and a driving mechanism, an opening for the lock tongue to stretch is arranged on one side of the lock body close to the lock groove, the positioning sleeve is opposite to the opening, the lock tongue is arranged between the opening and the positioning sleeve, one end of the connecting rod passes through the positioning sleeve to be fixedly connected with the lock tongue, one side of the other end of the connecting rod is provided with a rack structure and is connected with the driving mechanism, the structural form of the scheme skillfully utilizes a mechanism, so that when an infant tries to open the drawer or the cabinet door, the mode that can't find press simultaneously and use in the lump with the rotation operation just can the unblock for a while, makes the hasp can avoid the mistake to open, increases safety protection's performance, simultaneously, also can make the head of a family can be more relieved.

Description

Lock bolt for preventing child from opening by mistake

Technical Field

The utility model belongs to the technical field of the hasp and specifically relates to a prevent hasp that infant opened by mistake.

Background

The existing lock latch is mostly in a simple buckle type, a plug-in type or a structural form which needs to be opened and closed by a key, and for the lock latch of some furniture drawers or cabinets, the simple keyless opening and closing structure is usually difficult to prevent children from opening the lock latch by mistake, and the structure which adopts the key to open and close needs to keep the key, is inconvenient to open and takes time, so that the daily use is inconvenient.

SUMMERY OF THE UTILITY MODEL

In view of the prior art, an object of the present invention is to provide a child-resistant latch that is simple in structure, reliable in implementation, and easy to operate.

In order to realize the technical purpose, the utility model discloses a technical scheme does:

a lock latch for preventing children from opening by mistake comprises a lock body and a lock groove which are oppositely arranged, wherein an installation cavity is arranged in the lock body, a lock tongue, a connecting rod, a positioning sleeve and a driving mechanism are arranged in the installation cavity, an opening for the lock tongue to stretch is formed in one side, close to the lock groove, of the lock body, the positioning sleeve is opposite to the opening, the lock tongue is arranged between the opening and the positioning sleeve, one end of the connecting rod penetrates through the positioning sleeve to be fixedly connected with the lock tongue, a rack structure is arranged on one side of the other end of the connecting rod and is connected with the driving mechanism, the driving mechanism comprises a connecting seat, a gear, a rotating shaft and a spring, the connecting seat is provided with a connecting shaft and is fixed on one side, provided with the rack structure, the gear is rotatably sleeved on a connecting shaft of the connecting seat and is meshed with the rack structure, an annular groove is formed in one side, the middle part of ring channel is equipped with first spring mounting hole, the one end of pivot is equipped with recessed second spring mounting hole and this tip is worn in the lock and is relative with the terminal surface that the gear was equipped with first spring mounting hole, and the end that the pivot penetrated the lock still is equipped with and suits the complex second lug with the ring channel, the both ends of spring offset with first spring mounting hole and second spring mounting hole respectively, when the spring was in the nature state of extending, pivot and gear separation, when pressing down the pivot and make spring compression and make the second lug of pivot insert the gear ring channel, rotatable pivot and drive gear rotation, make gear drive connecting rod drive the spring bolt flexible.

Further, it still includes snap ring and handle, handle fixed connection be located the lock body outer end in the pivot on, the snap ring joint be located lock body one end in the pivot.

Preferably, one side of the handle is also rotatably connected with a limiting strip, and one end of the limiting strip can be overturned along the direction close to the surface of the lock body and is used for abutting against the surface of the lock body.

Furthermore, a bearing is arranged between the gear and the connecting shaft of the connecting seat.

Preferably, the bearing is a rolling bearing.

Adopt foretell technical scheme, the user is when unblanking the operation, only need simple convenient the pivot of pressing, make the pivot be equipped with the tip of second lug insert in the ring channel of gear (the shape of second lug suits with the structure of ring channel), make the first lug in second lug and the ring channel retrain each other, then at rotatory pivot, it is rotatory to make the pivot drive gear, the flexible operation of spring bolt drive that carries on that can be simple and convenient, this structural style utilizes the mechanism of office formula ingeniously, make the infant when trying to open drawer or cabinet door, can't touch simultaneously and press and add the mode that the rotational operation used in the lump can unblock, make the hasp can avoid the open by mistake, increase safety protection's performance, simultaneously, also can make the head of a family more relieved.

Drawings

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

FIG. 1 is a schematic view of an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of the structure at A in FIG. 1;

fig. 3 is a second schematic view of the embodiment of the present invention.

FIG. 4 is a schematic view of a gear according to the present invention;

fig. 5 is one of the schematic structural diagrams of the handle connected to the rotating shaft of the present invention, wherein the spacing strip is not shown.

Illustration of the drawings:

1. a lock body; 11. a mounting cavity; 2. locking the groove; 21. a keyway cavity; 3. a latch bolt; 31. a connecting rod; 311. a rack structure; 32. a positioning sleeve; 4. a connecting seat; 5. a drive mechanism; 51. a gear; 52. an annular groove; 53. a first bump; 54. a first spring mounting cavity; 55. connecting holes; 6. a bearing; 7. a rotating shaft; 71. a handle; 72. a limiting strip; 73. a snap ring; 74. a spring; 75. a second bump; 76. a second spring mounting hole.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.

As shown in one of fig. 1 to 5, the utility model discloses a relative lock body 1 and locked groove 2 that sets up, lock body 1 in have installation cavity 11, be equipped with spring bolt 3, connecting rod 31, position sleeve 32 and actuating mechanism 5 in the installation cavity 11, one side that lock body 1 is close with locked groove 2 is equipped with the flexible opening of confession spring bolt 3, position sleeve 32 fix in installation cavity 11 and relative with the opening, spring bolt 3 locate between opening and position sleeve 32, position sleeve 32 and spring bolt 3 fixed connection are passed to the one end of connecting rod 31, other end one side of connecting rod 31 is equipped with rack structure 311 and is connected with actuating mechanism 5, actuating mechanism 5 include connecting seat 4, gear 51, pivot 7 and spring 74, connecting seat 4 have a connecting axle and fix the one side that connecting rod 31 is equipped with rack structure 311, gear 51 be equipped with connecting hole 55 and rotate through connecting hole 55 and cup joint on connecting axle of connecting seat 4 and be connected with rack structure meshing engagement An annular groove 52 is arranged on one side of the gear 51 far away from the connecting seat 4, a pair of first protruding blocks 53 which are arranged oppositely are arranged in the annular groove 52, a first spring mounting hole 54 is arranged in the middle of the annular groove 52, a concave second spring mounting hole 76 is arranged at one end of the rotating shaft 7, the end part of the rotating shaft penetrates into the lock body 1 and is opposite to the end surface of the gear 51 provided with the first spring mounting hole 54, a second protruding block 75 which is matched with the annular groove 52 is also arranged at the end of the rotating shaft 7 penetrating into the lock body 1, two ends of the spring 74 are respectively propped against the first spring mounting hole 54 and the second spring mounting hole 76, when the spring 74 is in a natural extension state, the rotating shaft 7 is separated from the gear 51, when the rotating shaft 7 is pressed to compress the spring 74 and the second protruding block 75 of the rotating shaft 7 is inserted into the annular groove 52 of the gear 51, the rotating shaft 7 can rotate the rotating shaft 7 and drive the, the locking tongue 3 and the lock groove cavity 21 of the lock groove 2 are locked or unlocked.

Furthermore, the lock further comprises a clamping ring 73 and a handle 71, wherein the handle 71 is fixedly connected to the end of the rotating shaft 7, which is positioned outside the lock body 1, and the clamping ring 73 is clamped at one end of the rotating shaft 71, which is positioned inside the lock body 1; preferably, one side of the handle 71 is further rotatably connected with a limiting strip 72, and one end of the limiting strip 72 can be turned in a direction approaching to the surface of the lock body 1 and is used for abutting against the surface of the lock body 1.

A bearing 6 is arranged between the gear 51 and the connecting shaft of the connecting seat 4; preferably, the bearing 6 is a rolling bearing.

The utility model adopts the above technical scheme, when the user unlocks, the user only needs to simply and conveniently press the rotating shaft 7, the end part of the rotating shaft 7 provided with the second lug 75 is inserted into the annular groove 52 of the gear 51, the second lug 75 and the first lug 53 in the annular groove 52 are mutually restricted, then the rotating shaft 7 is rotated to drive the gear 51 to rotate, the bolt 3 can be simply and conveniently driven to extend and retract, the structural form ingeniously utilizes the organ mechanism, when the infant tries to open the drawer or the cabinet door, the infant can not be unlocked by simultaneously pressing and rotating the drawer or the cabinet door, the latch can avoid the false opening, the safety protection performance is improved, meanwhile, parents can be relieved, in addition, the limit strip 72 can be abutted against the lock body 1 by rotating the limit strip 72, so as to carry out the first simple restricted counter lock, the reliability of preventing the false opening is improved.

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, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A child-resistant latch, comprising: it is including relative lock body (1) and locked groove (2) that set up, lock body (1) in have installation cavity (11), be equipped with spring bolt (3), connecting rod (31), position sleeve (32) and actuating mechanism (5) in installation cavity (11), one side that lock body (1) and locked groove (2) are close is equipped with the opening that supplies spring bolt (3) to stretch out and draw back, position sleeve (32) fix in installation cavity (11) and relative with the opening, spring bolt (3) locate between opening and position sleeve (32), position sleeve (32) and spring bolt (3) fixed connection are passed to the one end of connecting rod (31), other end one side of connecting rod (31) is equipped with rack structure (311) and is connected with actuating mechanism (5), actuating mechanism (5) including connecting seat (4), gear (51), pivot (7) and spring (74), connecting seat (4) have a connecting axle and fix and be equipped with a rack structure (311) in connecting rod (31) The side, gear (51) rotate cup joint on the connecting axle of connecting seat (4) and with rack structure (311) meshing connection, the one side that gear (51) kept away from connecting seat (4) is equipped with ring channel (52), ring channel (52) in be equipped with a pair of first lug (53) that set up relatively, the middle part of ring channel (52) is equipped with first spring mounting hole (54), the one end of pivot (7) is equipped with recessed second spring mounting hole (76) and this tip penetrates in lock body (1) and is relative with the terminal surface that gear (51) was equipped with first spring mounting hole (54), the end that pivot (7) penetrated lock body (1) still is equipped with second lug (75) that suit the complex with ring channel (52), the both ends of spring (74) respectively with first spring mounting hole (54) and second spring mounting hole (76) offset, when spring (74) were in the nature state of stretching, the rotating shaft (7) is separated from the gear (51), and when the rotating shaft (7) is pressed to compress the spring (74) and the second lug (75) of the rotating shaft (7) is inserted into the annular groove (52) of the gear (51), the rotating shaft (7) can be rotated and the gear (51) can be driven to rotate, so that the gear (51) drives the connecting rod (31) to drive the bolt (3) to stretch and retract.

2. A child resistant latch as claimed in claim 1, wherein: it still includes snap ring (73) and handle (71), handle (71) fixed connection be located lock body (1) outer end in pivot (7) on, snap ring (73) joint be located lock body (1) one end in pivot (7).

3. A child resistant latch as claimed in claim 2, wherein: one side of the handle (71) is rotatably connected with a limiting strip (72), and one end of the limiting strip (72) can be overturned along the direction close to the surface of the lock body (1) and is used for abutting against the surface of the lock body (1).

4. A child resistant latch as claimed in claim 1, wherein: and a bearing (6) is also arranged between the gear (51) and the connecting shaft of the connecting seat (4).

5. A child resistant latch as claimed in claim 4, wherein: the bearing (6) is a rolling bearing.