CN111809990B

CN111809990B - Safety lock

Info

Publication number: CN111809990B
Application number: CN202010616863.7A
Authority: CN
Inventors: 张利
Original assignee: Weihailihe Automation Technology Co ltd
Current assignee: Weihailihe Automation Technology Co.,Ltd.
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-11-16
Anticipated expiration: 2040-06-30
Also published as: CN111809990A

Abstract

The invention discloses a safety lock which comprises a fixed lock body hook and a movable lock body, wherein the head part of the movable lock body is provided with a clamping groove and a movable clamping tongue arranged in the clamping groove, a vertical shaft and the movable clamping tongue are arranged in the fixed lock body hook and are matched and clamped, the movable clamping tongue penetrates through the outer wall of the clamping groove to the inside of the movable lock body, the tail part of the movable clamping tongue is provided with a movable block, a guide hole transversely penetrates through the movable block, and a guide rod seat is arranged in the movable lock body.

Description

Safety lock

Technical Field

The invention relates to the field of child locks, in particular to a safety lock.

Background

Child safety lock installs usually on the domestic cabinet body, children's paradise rail guard door body and so on place, avoids children to open alone, prevents to cause danger to children, but current child safety lock has two problems, firstly, the operation is too simple children and opens easily, secondly, the operation is too complicated the head of a family is difficult to open, under the coexistence circumstances of two problems, can only solve one of them problem, and another problem still exists, or children open easily, or the head of a family is difficult to open.

As such, further improvements are needed in existing child locks.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide the safety lock with simple structure and good safety performance.

In order to achieve the purpose, the invention adopts the following scheme: a safety lock comprises a fixed lock body hook and a movable lock body, wherein the head of the movable lock body is provided with a clamping groove and a movable clamping tongue arranged in the clamping groove, a vertical shaft and the movable clamping tongue are arranged in the fixed lock body hook and clamped in a matched mode, the movable clamping tongue penetrates through the outer wall of the clamping groove to the inside of the movable lock body, the tail of the movable clamping tongue is provided with a movable block, a guide hole transversely penetrates through the movable block, a guide rod seat is arranged in the movable lock body, a guide rod penetrating through the guide hole is arranged on the wall surface of the guide rod seat, a compression spring tightly pressed between the guide rod seat and the movable block is sleeved outside the guide rod, the inner wall of the movable block is provided with a driving rack, a rotating shaft is arranged on one side of the driving rack, a one-way gear is fixedly arranged outside the rotating shaft and meshed with the driving rack, and a one-way passing clamping ring fixedly arranged inside the movable lock body is sleeved outside the rotating shaft, one-way current snap ring circumference inner wall equipartition has a plurality of slant grooves, pivot one end is provided with the rolling disc, the rolling disc surface is provided with the spring holder, install the spring in the spring holder, the activity is provided with the wheel seat in the spring holder, the wheel seat is compressed tightly by the spring, the wheel seat tip articulates there is one-way guide pulley, one-way guide pulley and a plurality of slant groove cooperations, pivot end connection has the knob, is provided with the knob groove on the knob surface, the activity of knob inslot is provided with the draw knob of being connected with wheel seat surface.

According to the safety lock, the movable lock body is internally provided with the track, and the movable block moves in the track.

According to the safety lock, the fixed lock body hook rear wall is provided with the fixed seat, the movable lock body rear wall is provided with the rotating seat, and the movable lock body is installed in the rotating seat to rotate.

According to the safety lock, the sucking disc is arranged on the rear wall of the rotating seat.

According to the safety lock, the sucking disc is arranged on the rear wall of the fixed seat.

In summary, compared with the prior art, the invention has the beneficial effects that: the child safety lock solves the problems of the existing child safety lock, the child safety lock solves two problems, and solves the problems that the child is easy to open due to too simple operation and the parent is difficult to open due to too complex operation, the child is difficult to open, the parent is easy to open, great convenience is brought to people, and the child safety lock is simple in structure and convenient to use.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a left side view of the present invention.

FIG. 4 is a schematic structural diagram of the present invention.

FIG. 5 is a second schematic structural diagram of the present invention.

Fig. 6 is a third schematic structural diagram of the present invention.

FIG. 7 is a fourth partial schematic view of the present invention.

Detailed Description

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, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a safety lock comprises a fixed lock body hook 11 and a movable lock body 12, wherein the head of the movable lock body 12 is provided with a clamping groove 13 and a movable clamping tongue 14 arranged in the clamping groove 13, a vertical shaft 16 is arranged in the fixed lock body hook 11 and is matched and clamped with the movable clamping tongue 14, the movable clamping tongue 14 penetrates through the outer wall of the clamping groove 13 to the inside of the movable lock body 12, the tail of the movable clamping tongue 14 is provided with a movable block 32, the movable block 32 transversely penetrates through a guide hole 322, the inside of the movable lock body 12 is provided with a guide rod seat 33, the wall surface of the guide rod seat 33 is provided with a guide rod 34 penetrating through the guide hole 322, a compression spring 35 tightly pressed between the guide rod seat 33 and the movable block 32 is sleeved outside the guide rod 34, the inner wall of the movable block 32 is provided with a driving rack 36, one side of the driving rack 36 is provided with a rotating shaft 38, the rotating shaft 38 is fixedly provided with a one-way gear 37 which is meshed with the driving rack 36, the rotating shaft 38 is externally sleeved with a one-way passing clamping ring 41 fixedly arranged inside the movable lock body 12, a plurality of oblique grooves 42 are uniformly distributed on the circumferential inner wall of the one-way passing clamping ring 41, a rotating disc 43 is arranged at one end of the rotating shaft 38, a spring seat 47 is arranged on the surface of the rotating disc 43, a spring 46 is installed in the spring seat 47, a wheel seat 44 is movably arranged in the spring seat 47, the wheel seat 44 is tightly pressed by the spring 46, a one-way guide wheel 45 is hinged to the end portion of the wheel seat 44, the one-way guide wheel 45 is matched with the oblique grooves 42, the end portion of the rotating shaft 38 is connected with a knob 21, a knob groove is formed in the surface of the knob 21, a slide button 22 connected with the surface of the wheel seat 44 is movably arranged in the knob groove, a finger presses the slide button 22 to drive the one-way gear 37 to rotate along with the rotation knob 21, at the moment, when the slide button 22 is not pressed down, the clockwise rotation knob 21 cannot be rotated, and the counterclockwise rotation knob 21 idles.

The movable lock body 12 of the present invention is provided with a rail 31 therein, and the movable block 32 is movable in the rail 31.

The rear wall of the fixed lock body hook 11 is provided with a fixed seat, the rear wall of the movable lock body 12 is provided with a rotating seat, and the movable lock body 12 is arranged on the rotating seat to rotate.

The rear wall of the rotating seat is provided with a sucking disc.

The rear wall of the fixed seat is provided with a sucking disc.

While there have been shown and described the fundamental principles and principal features of the invention and advantages thereof, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are given by way of illustration of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a safety lock, is including fixed lock body hook (11) and activity lock body (12) head is provided with draw-in groove (13) and sets up activity block tongue (14) in draw-in groove (13) be provided with in the fixed lock body hook (11) vertical axis (16) and activity block tongue (14) cooperation chucking, its characterized in that: the movable latch tongue (14) penetrates through the outer wall of the clamping groove (13) to the inside of the movable lock body (12), a movable block (32) is arranged at the tail part of the movable latch tongue (14), a guide hole (322) transversely penetrates through the movable block (32), a guide rod seat (33) is arranged inside the movable lock body (12), a guide rod (34) penetrating through the guide hole (322) is arranged on the wall surface of the guide rod seat (33), a compression spring (35) compressed between the guide rod seat (33) and the movable block (32) is sleeved outside the guide rod (34), a driving rack (36) is arranged on the inner wall of the movable block (32), a rotating shaft (38) is arranged on one side of the driving rack (36), a one-way gear (37) is fixedly arranged outside the rotating shaft (38) and meshed with the driving rack (36), a one-way passing clamping ring (41) fixedly arranged inside the movable lock body (12) is sleeved outside the rotating shaft (38), one-way current snap ring (41) circumference inner wall equipartition has a plurality of slant grooves (42), pivot (38) one end is provided with rolling disc (43), rolling disc (43) surface is provided with spring holder (47), install spring (46) in spring holder (47), be provided with wheel seat (44) at spring holder (47) internalization, wheel seat (44) are compressed tightly by spring (46), wheel seat (44) tip articulates there is one-way guide pulley (45), one-way guide pulley (45) and a plurality of slant groove (42) cooperation, pivot (38) end connection has knob (21), is provided with the knob groove on knob (21) surface, the knob inslot activity is provided with slide button (22) with wheel seat (44) surface connection.

2. A security lock according to claim 1, characterized in that a track (31) is provided in said movable lock body (12), said movable block (32) being movable in said track (31).

3. A safety lock according to claim 2, characterized in that the rear wall of the fixed lock hook (11) is provided with a fixed seat, the rear wall of the movable lock body (12) is provided with a rotating seat, and the movable lock body (12) is mounted for rotation in the rotating seat.

4. A security lock as claimed in claim 3, wherein the rear wall of the rotatable base is provided with suction cups.

5. A security lock as claimed in claim 3, wherein said rear wall of said holder is provided with a suction cup.