CN109958677B

CN109958677B - Tool-free lockset

Info

Publication number: CN109958677B
Application number: CN201711499579.0A
Authority: CN
Inventors: 李峰
Original assignee: Shikong Shanghai Brand Planning Co ltd
Current assignee: Shikong (Shanghai) brand planning Co.,Ltd.
Priority date: 2017-12-22
Filing date: 2017-12-22
Publication date: 2022-03-29
Anticipated expiration: 2037-12-22
Also published as: CN109958677A

Abstract

The invention discloses a tool-free lockset, which comprises a shell seat, a plate tongue and a sliding block, wherein a plate tongue channel and a sliding block channel are reserved on the shell seat, the plate tongues are positioned in the plate tongue channel and are arranged in pairs, an elastic resetting device is also arranged in the plate tongue channel, the sliding block is positioned in the sliding block channel, the top of the sliding block is connected with a movable shaft on the plate tongue, a groove is formed in the sliding block, an eccentric wheel is positioned in the groove and is fixed on the shell seat, a handle is also arranged on the eccentric wheel, and the eccentric wheel and the groove interact to enable the sliding block to move when rotating. The device simple structure, manual operation is convenient and need not be with the help of the instrument, has satisfied the quick convenient demand of putting up and quick convenient dismantlement of activities such as exhibition show meeting.

Description

Tool-free lockset

Technical Field

The invention relates to a lockset, in particular to a tool-free lockset which can be conveniently locked or unlocked manually.

Background

In activities such as exhibition show meeting, will build various show props temporarily, like exhibition stand, exhibition frame, show background, and interim building etc. build the in-process, need carry out the high-speed joint with different parts such as stand, crossbeam etc. after the activity, again can dismantle fast, change a time or place and reinstall. The mounting structure of the show stage property of this type of activity at present has the timber structure, assembles through nail, glue etc. has steel frame construction, installs with modes such as welding, bolt, and the show stage property of this kind of mode installation is disposable, just becomes rubbish after demolising. Activities such as exhibition and display meetings and the like generally need to be used for multiple times at different times or different addresses, so the display props built by the structures cannot be recycled, a large amount of garbage can be generated after the activities are finished, and great waste is caused.

Disclosure of Invention

The invention aims to provide a tool-free lockset, which is simple in structure, is manually operated, is convenient and fast without tools, meets the requirements of quick and convenient construction and disassembly of activities such as exhibition conferences and the like, and meets the requirements of reusability and environmental protection of activities such as exhibition conferences and the like.

In order to achieve the purpose, the invention adopts the following technical scheme:

a tool-free lockset comprises a shell seat, plate tongues and sliding blocks, wherein the shell seat is provided with plate tongue channels and sliding block channels, the plate tongues are positioned in the plate tongue channels and are arranged in pairs, the head of each pair of plate tongues is provided with hooks in opposite directions, the middle parts of the plate tongues are provided with protrusions in opposite directions, the protrusions extend out of ports of the plate tongue channels, the bottoms of the plate tongues are penetrated on movable shafts, elastic reset devices are arranged in the plate tongue channels, the sliding blocks are positioned in the sliding block channels, the tops of the sliding blocks are connected with the movable shafts, the sliding blocks are provided with grooves, eccentric wheels are positioned in the grooves and are installed on the fixed shafts, the fixed shafts are fixed on the shell seat, the bottoms of the sliding blocks are provided with reset springs, handles are arranged on the eccentric wheels, and the grooves act to enable the sliding blocks to move when the eccentric wheels rotate.

Preferably, the upper side and the lower side of the port of the plate tongue channel are provided with first inclined planes which expand outwards, the bulge in the middle of the plate tongue is a second inclined plane with the same gradient as the first inclined plane, and when the plate tongue moves towards the inside of the plate tongue channel, the first inclined plane extrudes the second inclined plane to separate the hooks at the head of each pair of plate tongues.

Preferably, the elastic resetting device is a U-shaped elastic sheet wrapped on the board tongue.

Preferably, one side of the groove is provided with a straight end face, and the eccentric wheel is provided with a convex working part and a straight first limiting part and a straight second limiting part which are positioned at two sides of the convex working part.

Preferably, when the hooks are separated, the front end surfaces of the hooks are parallel to the housing base.

In the technical scheme, when the lock is locked, the handle of the eccentric wheel is rotated by hands, the eccentric wheel rotates around the fixed shaft, the convex working part extrudes the straight end surface of the groove, the reset spring is compressed, the sliding block moves in the sliding block channel, the movable shaft moves under the traction of the sliding block, the plate tongues move towards the inner part of the plate tongue channel, the first inclined surface extrudes the second inclined surface to separate the hooks at the heads of each pair of plate tongues, and then the plate tongues are opened and locked in the reserved lock holes of other parts; at the moment, the hook has a horizontal surface, the contact surface with the reserved lock hole is the largest, and the stress is enhanced. When the unlocking action is carried out, the working part on the eccentric wheel is manually rotated downwards, the extrusion effect on the groove is lost, the reset spring is recovered in a stretching mode, the sliding block is pushed to move towards the outer part of the sliding block channel, the movable shaft is pushed by the sliding block to move, the plate tongue moves towards the outer part of the plate tongue channel, the elastic reset device in the plate tongue channel extrudes the plate tongue, the first inclined plane of the plate tongue channel loses the extrusion effect on the second inclined plane protruding in the middle of the plate tongue, the bent hooks of the plate tongue are closed together, and therefore the unlocking action of the lockset is achieved.

Drawings

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

FIG. 2 is a schematic cross-sectional view (lock) of the present invention;

FIG. 3 is another schematic cross-sectional view (unclamped) of the present invention;

Detailed Description

The invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1, 2 and 3, the tool-less lock includes a housing 1, a tongue 2 and a slider 3, a tongue channel 4 and a slider channel 5 are reserved on the housing 1, first inclined planes 6 expanding outward are reserved on upper and lower sides of a port of the tongue channel 4, the tongues 2 are located in the tongue channel 4 and are arranged in pairs, according to actual requirements, the number of pairs of the tongues 2 can be specifically set, generally one pair or two pairs, hooks 7 with opposite directions are reserved on the head of each pair of tongues, and locking and unlocking are realized by opening, clamping and closing release of the hooks 7. The middle part of the plate tongue 2 is provided with a protrusion 8 in the opposite direction, in a preferred embodiment of the invention, the protrusion 8 is triangular in shape and is provided with a second inclined surface 9 with the same gradient as the first inclined surface of the plate tongue channel, the protrusion 8 extends out of the port of the plate tongue channel, and when the plate tongue 2 moves towards the inner part of the plate tongue channel 4, the first inclined surface presses the second inclined surface to enable the plate tongue to be opened reversely. The bottom of the plate tongue 2 is penetrated on a movable shaft 10, and the movable shaft 10 is connected with the top end of the sliding block 3 through a connecting plate and can move along with the sliding block 3. An elastic reset device 11 is arranged in the tongue channel 4 and is used for providing elastic force for the tongue before the tongue is restored to be opened. In one embodiment of the invention, the elastic resetting device is a U-shaped elastic sheet wrapped on the board tongue, and the bottom of the U-shaped elastic sheet is provided with a hole and is sleeved on the connecting plate of the movable shaft and the sliding block. When the movable shaft moves to open the plate tongue, the plate tongue simultaneously presses the U-shaped elastic sheet, so that when the movable shaft moves reversely, the U-shaped elastic sheet can provide elastic force for the plate tongue to restore to the original shape. The elastic reset device can also be a spring arranged on the side wall of the tongue channel, and the reset of the tongue is completed through the elasticity of the spring.

The sliding block channel 5 is internally provided with a sliding block 3, the top of the sliding block 3 is connected with a movable shaft 10, the bottom of the sliding block 3 is connected with the shell seat 1 through a return spring 12, the sliding block 3 is provided with a groove, an eccentric wheel 15 is positioned in the groove and is arranged on a fixed shaft 16, one side of the groove is provided with a straight end surface, the eccentric wheel 15 is provided with a convex working part 13 and straight first and

second limit parts

14 and 141 on two sides of the convex working part, and the first and

second limit parts

14 and 141 can be attached to the straight end surface on one side of the groove, so that the eccentric wheel 15 can be kept stable and cannot rotate randomly, and the lockset has a stable locking or opening state. The fixed shaft 16 is fixed to the housing and a handle 17 is also mounted on the eccentric, which handle 17 is manually controlled to rotate the eccentric 15 so that the working portion 13 of the eccentric interacts with the groove to cause the slider to move. The upper and lower side walls 20 of the slider 3 are also provided with through holes 21 corresponding to the fixed shaft 16, and the length of the through holes 21 is larger than the diameter of the fixed shaft 16, so that the slider can move freely.

In the specific use process, when the locking action of the lockset is realized, the handle 17 is rotated, the raised working part 13 on the eccentric wheel 15 extrudes the groove, the reset spring 12 is compressed, the slide block 3 moves towards the inside of the slide block channel 5, the movable shaft 10 moves under the traction of the slide block 3, the plate tongue 2 moves towards the inside of the plate tongue channel 4, the first inclined surface 6 of the plate tongue channel 4 extrudes the raised second inclined surface 9 in the middle of the plate tongue to separate the hooks 7 at the head part of each pair of plate tongues so as to lock the lockset, and the first limiting part 14 is attached to the straight end surface of the groove on the slide block 3 after the locking; when the hook 7 is separated, the right inclination of the hook front end face 71 becomes parallel to the housing base front end face, so that the maximum contact surface is ensured at the time of locking, thereby ensuring the maximum clamping force. When the lock is to be unlocked, the handle 17 is turned, the eccentric 15 loses its squeezing effect on the groove due to the difference in distance of the eccentric, and the second limit portion 141 of the eccentric is in direct planar contact with the groove. The reset spring 12 extrudes the slider 3 to move towards the outside of the slider channel 5, the movable shaft 10 moves under the pushing of the slider 3, the board tongue 2 moves towards the outside of the board tongue channel 4, the elastic reset device 11 in the board tongue channel extrudes the board tongue 2, the first inclined surface 6 of the board tongue channel 4 loses the extrusion effect on the second inclined surface 9 of the board tongue, the hook 7 at the head of the board tongue is closed together, and therefore the opening action of the lockset is achieved.

The embodiment is only an illustration of the concept and implementation of the present invention, and is not a limitation, and technical solutions without substantial changes are still within the protection scope under the inventive concept.

Claims

1. A tool-free lockset comprises a shell seat, plate tongues and sliding blocks, and is characterized in that the shell seat is provided with plate tongue channels and sliding block channels, the plate tongues are positioned in the plate tongue channels and are arranged in pairs, the heads of each pair of plate tongues are provided with hooks in opposite directions, the middle parts of the plate tongues are provided with protrusions in opposite directions, the protrusions extend out of the ports of the plate tongue channels, the bottoms of the plate tongues penetrate through a movable shaft, an elastic reset device is arranged in the plate tongue channels, the sliding blocks are positioned in the sliding block channels, the tops of the sliding blocks are connected with the movable shaft, the sliding blocks are provided with grooves, eccentric wheels are positioned in the grooves and are arranged on the fixed shaft, the fixed shaft is fixed on the shell seat, the bottoms of the sliding blocks are provided with reset springs, handles are arranged on the eccentric wheels, and the eccentric wheels act with the grooves to enable the sliding blocks to move when rotating;

when the plate tongue moves towards the inside of the plate tongue channel, the first inclined plane extrudes the second inclined plane to separate the hooks at the head of each pair of plate tongues;

when the hooks are separated, the front end surfaces of the hooks are parallel to the front end surface of the shell seat;

the elastic resetting device is a U-shaped elastic sheet wrapped on the board tongue.

2. The toolless lockset of claim 1 wherein one side of said recess has a flat end surface and said eccentric has a raised working portion and first and second flat retaining portions on opposite sides of said raised working portion.