CN203709619U

CN203709619U - Locking component

Info

Publication number: CN203709619U
Application number: CN201320869464.7U
Authority: CN
Inventors: 陆秀东
Original assignee: ZHEJIANG ZHENDONG LEISURE PRODUCTS CO Ltd
Current assignee: ZHEJIANG ZHENDONG LEISURE PRODUCTS CO Ltd
Priority date: 2013-12-26
Filing date: 2013-12-26
Publication date: 2014-07-16
Anticipated expiration: 2023-12-26

Abstract

The utility model discloses a locking component which comprises a connecting rod, a handle, an operating handle, a clamping piece and a bolt, wherein a locking block is arranged on the connecting rod and provided with a plurality of first sawteeth, and a circular hole, a gap and a first bolt hole are formed in the handle. The locking component has the advantages that the inclination angle of a seat backrest can be adjusted and kept by matching and separation of second sawteeth and the first sawteeth through the locking component. When the second sawteeth and first sawteeth are separated, the inclination angle of the seat backrest can be adjusted through acting force, applied by the back, applied on the seat backrest. When the inclined angle is adjusted properly, the operating handle is pulled, the clamping piece is forcibly pulled by the forced pulling end of the operating handle, and the second sawteeth and the first sawteeth of the clamping piece are matched, so that the connecting rod can be locked, and the seat backrest is fixed at a proper inclination angle. The locking component is simple in structure, convenient and practical, and low in manufacturing cost.

Description

A kind of Lock Part

Technical field

The utility model belongs to seat adjustment parts, is specifically related to a kind of Lock Part.

Background technology

Existing movable reclining chair by main support, assistant support is hinged forms.Main support is by forming with the fixing branched whippletree of tenon between the left and right main support rod of two square-sections and two post uppers, and assistant support is by forming with the fixing secondary cross bar of tenon between the secondary support bar in left and right of two square-sections and two support bar leading portions.Two secondary support bar middle part lateral surfaces are fitted on two main support rod middle part medial surfaces, by two swivel pins, implement hinged.During use, main support and assistant support flare up cross-like, the used time does not close up and is superimposed shape.

There are now a lot of people to like sleeping on chair, especially be for a long time sitting in the people who works on chair, however existing back and seat support be generally all fixedly installed, angle is unadjustable, it is easily tired to sit people of a specified duration, also needs if desired to increase other device and improves comfort level.

Utility model content

The utility model provides a kind of Lock Part, and to solve the backrest of existing seat and the angle of seat support is non-adjustable, sitting people of a specified duration holds fatigable technical problem.

In order to solve above technical problem, the technical scheme that the utility model is taked is:

A kind of Lock Part, described Lock Part is by connecting rod, handle, lever, shackle member and latch form, on described connecting rod, be provided with clamping block, on described clamping block, be provided with a plurality of the first sawtooth, on described handle, be provided with circular port, breach and the first pin hole, described lever comprises operating side, the second pin hole and compel to push away end, in described shackle member, be provided with a plurality of the second sawtooth, described shackle member coordinates with described breach, described connecting rod coordinates with described circular port, described lever is fixed on described handle by described latch, described latch is through described the first pin hole and the second pin hole, described compel to push away end butt described in shackle member, described the first sawtooth coordinates with described the second sawtooth.

Be preferably, described connecting rod is steel pipe, and described handle, lever and shackle member are plastic cement material.

After adopting technique scheme, Lock Part by the second sawtooth with the cooperation of the first sawtooth with separated, regulate and keep the angle of inclination of backrest.When the second sawtooth when separated, is applied to a backrest active force, the i.e. angle of inclination of adjustable seat backrest by back with the first sawtooth.After angle of inclination adjusting is suitable, pull lever, the urgent end that pushes away of lever compels to push away shackle member, and the second sawtooth of shackle member coordinates with the first sawtooth, thus locking connecting rod is fixed on suitable angle of inclination by backrest.Simple in structure, convenient and practical, the low cost of manufacture of the utility model Lock Part.

Accompanying drawing explanation

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.

Fig. 1 is the topology view of the utility model Lock Part;

Fig. 2 is the decomposition view of the utility model Lock Part;

Fig. 3 is the topology view of the utility model Lock Part handle;

Fig. 4 is the topology view of the utility model Lock Part lever;

Fig. 5 is the topology view of the utility model Lock Part connecting rod;

Fig. 6 is the topology view of the utility model Lock Part shackle member.

The specific embodiment

For making object, technical scheme and the advantage of the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making all other embodiment that obtain under creative work prerequisite, all belong to the scope of the utility model protection.

As shown in Figures 1 to 6, Lock Part consists of connecting rod 1, handle 2, lever 3, shackle member 4 and latch 5.Wherein on connecting rod 1, be provided with clamping block 11, on clamping block 11, be provided with a plurality of the first sawtooth 111, on handle 2, be provided with circular port 21, breach 22 and the first pin hole 23.Lever 3 comprises operating side 31, the second pin hole 32 and compels to push away end 33, is provided with a plurality of the second sawtooth 41 in shackle member 4.Shackle member 4 coordinates with the breach 22 of handle 2, and connecting rod 1 inserts in the circular port 21 of handle 2, and can on the axial direction of circular port 21, slide, and the clamping block 11 of connecting rod 1 is over against the breach 22 of handle 2.Therefore be arranged on the first sawtooth 111 on clamping block 11 and be arranged on the second sawtooth 41 in shackle member 4 toward each other.Lever 3 is fixed on handle 2 by latch 5, and latch 5 is through the first pin hole 23 of handle 2 and the second pin hole 32 of lever 3, thereby lever 3 can be around take latch 5 as center of circle rotation, the urgent back that pushes away end 33 butt shackle member 4 of lever 3.Connecting rod 1 is connected with backrest, and handle 2 is fixed on seat support.Connecting rod 1 is steel pipe, and handle 2, lever 3 and shackle member 4 are plastic cement material.

When needing the angle of adjusting seat backrest, clockwise adjustment operation handle 3, the back portion that lever 3 urgent pushes away end 33 and shackle member 4 from, shackle member 4 compels to push away under the urgent thrust of end 33 not being subject to lever 3, the second sawtooth 41 is separated with the first sawtooth 111, by back, impose on suitable active force of backrest, connecting rod 1 slides on the axial direction of circular port 21.After the adjusting of the angle of inclination of backrest is suitable, counterclockwise adjustment operation handle 3, the urgent back that pushes away end 33 butt shackle member 4 of lever 3, shackle member 4 compels to push away under the effect of the urgent thrust of holding 33 at lever 3, the second sawtooth 41 coordinates with the first sawtooth 111, thereby it is locked that connecting rod 1 is fixed, backrest remains on fixing angle of inclination.

The utility model Lock Part regulates shackle member 4 the second sawtooth 41 by lever 3 with separated, regulates and keeps the angle of inclination of backrest with the cooperation of the first sawtooth 111 of connecting rod 1.When the second sawtooth 41 when separated, is applied to a backrest active force, the i.e. angle of inclination of adjustable seat backrest by back with the first sawtooth 111.After the adjusting of the angle of inclination of backrest is suitable, pull lever 3, the urgent end 33 that pushes away of lever 3 compels to push away shackle member 4, the second sawtooth 41 of shackle member 4 coordinates locking with the first sawtooth 111, thereby restriction connecting rod 1 slides on the axial direction of circular port 21, and backrest is fixed on to suitable angle of inclination.Simple in structure, convenient and practical, the low cost of manufacture of the utility model Lock Part.

Finally it should be noted that: above embodiment only illustrates the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.

Claims

1. a Lock Part, it is characterized in that, described Lock Part is by connecting rod, handle, lever, shackle member and latch form, on described connecting rod, be provided with clamping block, on described clamping block, be provided with a plurality of the first sawtooth, on described handle, be provided with circular port, breach and the first pin hole, described lever comprises operating side, the second pin hole and compel to push away end, in described shackle member, be provided with a plurality of the second sawtooth, described shackle member coordinates with described breach, described connecting rod coordinates with described circular port, described lever is fixed on described handle by described latch, described latch is through described the first pin hole and the second pin hole, described compel to push away end butt described in shackle member, described the first sawtooth coordinates with described the second sawtooth.

2. Lock Part according to claim 1, is characterized in that, described connecting rod is steel pipe, and described handle, lever and shackle member are plastic cement material.