CN110552554A

CN110552554A - transmission structure of upper hook and lower hook of lock box

Info

Publication number: CN110552554A
Application number: CN201910798154.2A
Authority: CN
Inventors: 龙威全; 徐文辉; 谢兵
Original assignee: Foshan Dili Technology Co Ltd
Current assignee: Foshan Dili Technology Co Ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2019-12-10

Abstract

The invention provides a transmission structure of an upper hook and a lower hook of a lock box, which solves the problem that a driving sheet is difficult to rotate due to large resistance of the upper hook and the lower hook of the existing lock box.

Description

Transmission structure of upper hook and lower hook of lock box

Technical Field

The invention relates to the technical field of lock boxes of doors, in particular to a transmission structure of an upper hook and a lower hook of a lock box.

background

Present lock box structure, as shown in fig. 8, lock core or handle drive the driver plate and rotate, the driver plate drives main hyoplastron horizontal direction through the cooperation of drive smooth nail and the main hyoplastron on the tongue board and slides, be equipped with first main hyoplastron smooth nail and the main hyoplastron smooth nail of second on the main hyoplastron respectively, and the upper hook is vertical slip in the shell respectively in lower hook, be equipped with on the upper hook with first main hyoplastron smooth nail complex spout of going up, be equipped with on the lower hook with the main hyoplastron sliding fit's of second lower hook spout, thereby the horizontal migration through main hyoplastron drives the upper hook simultaneously and slides along vertical direction relatively or carrying on the back mutually with lower hook, there is a problem in this kind of structure: the main tongue plate drives the upper hook or the lower hook to move along the vertical direction through horizontal movement, the first main tongue sliding nail has component force on the upper hook sliding groove in the horizontal direction, the component force can increase the friction force of the upper hook sliding upwards, and therefore the resistance of the driving piece is increased.

Disclosure of Invention

In order to solve the above problems, the present invention provides a transmission structure for an upper hook and a lower hook of a lock box, wherein a second upper hook chute is added on the upper hook, a second lower hook chute is added on the lower hook, a driving plate drives the upper hook through the second upper hook chutes, a main tongue plate drives the upper hook through the first upper hook chute, and the stress on the first upper hook chute and the second lower hook chute reduces the stress in the horizontal direction of the upper hook, so as to reduce friction, improve the resultant force in the vertical direction, make the upper hook slide more easily, reduce the resistance of the driving plate, and make the lower hook open and close easily.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

The utility model provides a drive structure of upper and lower hook of lock box, including the shell, rotationally be provided with the driver blade in the shell, still slide in the shell and be equipped with a main hyoplastron, and slide along vertical direction and be equipped with the upper hook and lower hook, the driver blade drives main hyoplastron and slides along the horizontal direction, be equipped with first main tongue slide peg and second main tongue slide peg on the main hyoplastron, the upper hook be equipped with first main tongue slide peg complex first upper hook spout, the lower hook be equipped with second main tongue slide peg complex first lower hook spout, its characterized in that: still be equipped with the smooth nail of second drive on the drive piece, be fixed with a drive gear on the drive piece, rotationally be connected with a ratch in the shell, drive gear with the ratch meshing, the ratch is equipped with the smooth nail of ratch, the overhead hook still is equipped with the second and goes up the hook spout, still be equipped with the second on the lower hook and lower the hook spout, the smooth nail of second drive with the cooperation of second on the hook spout reduces the pressure of overhead hook at the horizontal direction and drives the overhead hook and slide, the ratch slip nail with the cooperation of second lower hook spout reduces the pressure of lower hook at the horizontal direction and drives the lower hook and slide.

Preferably, the driving plate is provided with a first driving slide pin, the main tongue plate is provided with a main tongue chute, and the driving plate drives the main tongue plate to slide through the matching of the first driving slide pin and the main tongue chute.

Preferably, the first upper hook sliding groove and the first lower hook sliding groove are both arc-shaped grooves.

Preferably, the toothed bar slide pin and the second main tongue slide pin respectively have opposite component force directions in the horizontal direction to the lower hook.

The invention has the beneficial effects that:

According to the invention, the second upper hook sliding groove is additionally arranged on the upper hook, and the second driving sheet sliding nail matched with the second upper hook sliding groove is additionally arranged on the driving sheet and is used for driving the upper hook to slide up and down and reducing the pressure of the upper hook in the horizontal direction, so that the friction is reduced, the resultant force in the vertical direction is increased, and the upper hook is more easily driven; through increasing the second on the lower hook spout of hooking, be fixed with a drive gear on the drive piece, rotationally be connected with a ratch in the shell, drive gear through with the ratch meshing drives the ratch and rotates, and the ratch is equipped with ratch smooth nail, and ratch smooth nail and the cooperation of second hook spout of hooking reduce the pressure of lower hook horizontal direction to reduce the friction, increase along vertical direction's resultant force, thereby drive the lower hook more easily, thereby reach the upper hook and hook synchronous relative or back of the body motion with the lower hook.

Drawings

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

FIG. 2 is a front view of the present invention with the top shell 11 removed;

FIG. 3 is a rear view of the present invention with bottom shell 12 removed;

FIG. 4 is a schematic view of the present invention with the top shell 11 removed and the mounting block 8 exploded away;

FIG. 5 is a perspective view of the present invention with top shell 11 and bottom shell 12 removed;

Fig. 6 is a perspective view of fig. 5 with the upper hook 4 and the lower hook 5 exploded;

Fig. 7 is a schematic structural view of the engagement between the driving plate 2, the main tongue plate 3, the upper hook 4, the lower hook 5, the driving gear 6 and the rack bar 7 of the present invention.

Fig. 8 is a schematic view of a conventional lock case structure.

Detailed Description

The technical solution of the present invention is described below with reference to the accompanying drawings and examples.

As shown in fig. 1 to 7, the driving structure of the upper and lower hooks 5 of the lock box according to the present invention comprises a housing 1, the housing 1 comprises a top shell 11 and a bottom shell 12, a driving plate 2 is rotatably disposed in the housing 1, the driving plate 2 can be driven by a lock core or a handle, a main tongue plate 3, an upper hook 4 and a lower hook 5 are slidably disposed in the housing 1 along a vertical direction, a first driving slide pin 21 is disposed on the driving plate 2, a main tongue slide groove 31 is disposed on the main tongue plate 3, the main tongue slide groove 31 is an arc-shaped groove, when the driving plate 2 rotates, the main tongue plate 3 is driven to slide along a horizontal direction by the cooperation of the first driving slide pin 21 and the main tongue slide groove 31, a first main tongue slide pin 32 and a second main tongue slide pin 33 are disposed on the main tongue plate 3, the upper hook 4 is provided with a first upper hook slide groove 41 cooperating with the first main tongue slide pin 32, lower hook 5 is equipped with the first spout 51 that hooks down with second owner tongue slide peg 33 complex, first go up hook spout 41 with first spout 51 that hooks down is the arc wall, still be equipped with second drive slide peg 22 on the driving plate 2, be fixed with a drive gear 6 on the driving plate 2, rotationally be connected with a ratch 7 in the shell 1, drive gear 6 with ratch 7 meshes, when driving plate 2 rotates, ratch 7 also can rotate around its pivot, ratch 7 end is equipped with ratch slide peg 71, it still is equipped with second runner 42 that hooks up to go up hook 4, still be equipped with second spout 52 that hooks down on hook 5, second drive slide peg 22 with the cooperation of second runner 42 that hooks up, ratch slide peg 71 with the cooperation of second runner 52 that hooks down.

When the lock box works, the lock core or the handle drives the driving piece 2 to rotate, the driving piece 2 drives the main tongue plate 3 to horizontally slide through the first driving sliding nail 21, meanwhile, the driving piece 2 drives the driving gear 6 to rotate, so as to drive the toothed bar 7 to rotate, in addition, the driving piece 2 drives the upper hook 4 to slide through the second driving sliding nail 22, namely, when the driving piece 2 rotates, the first upper hook sliding groove 41 of the upper hook 4 is subjected to the force of the first main tongue sliding nail 32, the direction of the force points to the circle center of the first upper hook sliding groove 41, and the second upper hook sliding groove 42 is simultaneously subjected to the force of the second driving sliding nail 22, so that the resultant force of the upper hook 4 in the vertical direction is increased; similarly, the lower hook 5 receives the force of the rack bar slide nail 71 and the force of the second main tongue slide nail 33 at the same time, so that the resultant force in the vertical direction is increased, the force in the horizontal direction is reduced, the friction is reduced, and finally the resistance of the driving sheet 2 driving the upper hook 4 and the lower hook 5 to slide is reduced, so that the lock box is opened more conveniently.

in addition, the parts in the lock box comprise a safety bolt assembly 100, a safety shifting fork 200, a main bolt assembly 300, an oblique bolt shifting assembly 400 and a handle shaft transmission assembly 500, when assembling the parts, the parts are first mounted on the positioning portion of the bottom case 12, and in order to prevent the parts from easily scattering when disassembling, one or more fixing blocks 8 are also arranged in the lock box, the fixing blocks 8 are fixed on the bottom shell 12 through screws, the fixing blocks 8 sequentially press the safety tongue assembly 100, the safety shifting fork 200, the main tongue assembly 300, the oblique tongue shifting assembly 400 and the handle shaft transmission assembly 500 to limit the loosening and falling of the safety tongue assembly 100, the safety shifting fork 200, the main tongue assembly 300, the oblique tongue shifting assembly 400 and the handle shaft transmission assembly 500, the transmission of spare part in it does not influence the lock box, just so avoids these spare parts to scatter, simultaneously, also is convenient for assemble when the equipment, can adopt multistation assembly line equipment, and is low to workman's skill requirement, improves the packaging efficiency.

in the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. The utility model provides a drive structure of upper and lower hook of lock box, including the shell, rotationally be provided with the driver blade in the shell, still slide in the shell and be equipped with a main hyoplastron, still including the upper hook and the lower hook that slide to set up along vertical direction, the driver blade drives main hyoplastron and slides along the horizontal direction, be equipped with first main tongue slide peg and the main tongue slide peg of second on the main hyoplastron, the upper hook be equipped with first main tongue slide peg complex first upper hook spout, the lower hook be equipped with the main tongue slide peg complex first lower hook spout of second, its characterized in that: still be equipped with the smooth nail of second drive on the drive piece, be fixed with a drive gear on the drive piece, rotationally be connected with a ratch in the shell, drive gear with the ratch meshing, the ratch is equipped with the smooth nail of ratch, the overhead hook still is equipped with the second and goes up the hook spout, still be equipped with the second on the lower hook and go up the hook spout, the smooth nail of second drive with the second goes up the hook spout cooperation and drives the overhead hook and slide, the ratch slip nail with the second is gone up the hook spout cooperation and is driven the lower hook and slide.

2. The transmission structure for the upper and lower hooks of the lock case according to claim 1, wherein: the driving sheet is provided with a first driving sliding nail, the main tongue plate is provided with a main tongue chute, and the driving sheet drives the main tongue plate to slide through the matching of the first driving sliding nail and the main tongue chute.

3. The transmission structure for the upper and lower hooks of the lock case according to claim 1, wherein: the first upper hook sliding groove and the first lower hook sliding groove are arc-shaped grooves.

4. The transmission structure for the upper and lower hooks of the lock case according to claim 1, wherein: the toothed bar sliding nail and the second main tongue sliding nail are respectively opposite to the component force direction of the lower hook in the horizontal direction.