CN204037633U - A kind of quick adjustment backrest - Google Patents

A kind of quick adjustment backrest Download PDF

Info

Publication number
CN204037633U
CN204037633U CN201420464176.8U CN201420464176U CN204037633U CN 204037633 U CN204037633 U CN 204037633U CN 201420464176 U CN201420464176 U CN 201420464176U CN 204037633 U CN204037633 U CN 204037633U
Authority
CN
China
Prior art keywords
backrest
quick adjustment
rotary seat
gear
swivelling cover
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420464176.8U
Other languages
Chinese (zh)
Inventor
何君苗
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NINGBO CHUANLANG INDUSTRIAL Co Ltd
Original Assignee
NINGBO CHUANLANG INDUSTRIAL Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NINGBO CHUANLANG INDUSTRIAL Co Ltd filed Critical NINGBO CHUANLANG INDUSTRIAL Co Ltd
Priority to CN201420464176.8U priority Critical patent/CN204037633U/en
Application granted granted Critical
Publication of CN204037633U publication Critical patent/CN204037633U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to a kind of quick adjustment backrest, comprise backrest, saddle and quick adjustment assembly, quick adjustment assembly is by a left side identical with structure of shaking hands, right adjusting part composition, right adjusting part comprises one end and is fixed on hauling rope on handle, the rotary seat be connected with backrest, rotating cam, slide cam, gear and the swivelling cover be connected with saddle, rotary seat is fixed with rotating shaft and rotating shaft is arranged with rotating cam from left to right successively, slide cam and gear, the other end of hauling rope is fixed on rotating cam through rotary seat, rotary seat offsets with swivelling cover and all mutually meshing with gear, spring is connected with between swivelling cover and gear.

Description

A kind of quick adjustment backrest
Technical field
The utility model relates to a kind of seat, particularly relates to a kind of quick adjustment backrest.
Background technology
Child's tricycle can the saddle backrest of quick adjustment in the market, can not according to the angle of the demand free adjustment backrest of children, and child's tricycle market adopt saddle-backrest be separated the function realizing adjustment more, operation comparatively bothers, and dismounting is not easy, flexibility ratio is inadequate.
Utility model content
For the deficiencies in the prior art, the utility model is to provide a kind of good stability, can quick adjustment position of back quick adjustment backrest.
In order to solve the problem, the utility model is achieved through the following technical solutions:
A kind of quick adjustment backrest of the present utility model, comprise backrest, saddle and quick adjustment assembly, described quick adjustment assembly is by a left side identical with structure of shaking hands, right adjusting part composition, right adjusting part comprises one end and is fixed on hauling rope on handle, the rotary seat be connected with backrest, rotating cam, slide cam, gear and the swivelling cover be connected with saddle, rotary seat is fixed with rotating shaft and rotating shaft is arranged with rotating cam from left to right successively, slide cam and gear, the other end of hauling rope is fixed on rotating cam through rotary seat, rotary seat offsets with swivelling cover and all mutually meshing with gear, spring is connected with between swivelling cover and gear.
Further, backrest is provided with the catch base of locking handle.
Further, the outside of swivelling cover is fixed with reinforcement steel disc.
Further, rotary seat is provided with the guide pipe passed for hauling rope.
Compared with prior art, the beneficial effects of the utility model are: the adjusting part structure of quick adjustment backrest of the present utility model is simple, use less pulling force and adjustable position of back, can according to the angle of the demand free adjustment backrest of children, simple to operate and fast, convenient, flexibly.
Accompanying drawing explanation
Fig. 1 is the structural representation of quick adjustment backrest of the present utility model;
Fig. 2 is the detonation configuration figure of quick adjustment backrest of the present utility model;
Fig. 3 is the schematic enlarged-scale view of adjusting part when pulling handle of the present utility model;
Fig. 4 is the schematic enlarged-scale view of adjusting part when unclamping handle of the present utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
As Figure 1-4, quick adjustment backrest of the present utility model, comprise backrest 1, saddle 2 and quick adjustment assembly, quick adjustment assembly is by 3 left sides identical with structure of shaking hands, right adjusting part composition, right adjusting part comprises one end and is fixed on hauling rope 6 on handle 3, the rotary seat 7 be connected with backrest 1, rotating cam 10, slide cam 11, gear 12 and the swivelling cover 8 be connected with saddle 2, rotary seat 7 is fixed with rotating shaft and rotating shaft is arranged with rotating cam 10 from left to right successively, slide cam 11 and gear 12, the other end of hauling rope 6 is fixed on rotating cam 10 through rotary seat 7, rotary seat 7 offsets with swivelling cover 8 and all mutually meshing with gear 12, spring 13 is connected with between swivelling cover 8 and gear 12.The adjusting part structure of quick adjustment backrest of the present utility model is simple, uses less pulling force and adjustable position of back, can according to the angle of the demand free adjustment backrest of children, simple to operate and fast, convenient, flexible.
The backrest 1 of quick adjustment backrest of the present utility model is provided with the catch base 4 of locking handle 3, and backrest 1 is formed with the groove of the fixing catch base 4 caved inward, such design outline good and handle be not subject to external influence and drop.
The outside of the swivelling cover 8 of quick adjustment backrest of the present utility model is fixed with strengthens steel disc 14, swivelling cover 8 increases have and strengthens steel disc 14, fully ensure that the intensity of backrest 1, be unlikely to fracture product in rotation.
The rotary seat 7 of quick adjustment backrest of the present utility model is provided with the guide pipe passed for hauling rope 6 pass so that hauling rope 6 is smooth and easy or slides, the two ends of hauling rope 6 are fastened respectively by round pin and handle and rotating cam.
The erection procedure of the adjusting part of quick adjustment backrest of the present utility model is as follows:
One, one of hauling rope 6 is penetrated in rotary seat 7, and the round pin of hauling rope 6 end is inserted in the circular hole of rotating cam 10 bottom surface, the direction of hauling rope 6 along groove is extended, then rotating cam 10 is put into rotary seat 7; Each 1 group of left and right;
Two, reinforcement steel disc 14 is put into the groove outside swivelling cover 8, and lock with self-tapping screw 16; Each 1 group of left and right;
Three, slide cam 11 is put into rotary seat 7 by direction as shown along rib position, note aligning direction and match with rotating cam 10; Successively gear 12, spring 13 are put into rotary seat 7, cover swivelling cover 8 and make the angle of the handle of the angle of the handle of swivelling cover 8 and rotary seat 7 approximately be in 100 °, then nut 17 is put into one side of rotary seat 7, finally pass whole assembly with bolt 15 and lock; Each 1 group of left and right;
Four, the guide pipe in the middle of hauling rope 6 is positioned in the wire casing of rotary seat 7, and fastens with hauling rope fixed plate 9, then lock with self-tapping screw 19;
Five, the section of stretching out of rotary seat 7 is allocated in the groove below backrest 1, and rivet with pad 18, rivet 20; The section of stretching out of swivelling cover 8 is allocated in the groove above saddle 2, and rivets with pad 21, rivet 22;
Six, the round pin of the other end of hauling rope 6 is inserted two places in the circular hole at handle 3 back side.Again handle 3 is placed in the circular groove on backrest 1 top, then catch base 4 is inserted circular groove, coordinate closely, finally lock with screw 5.
The principle of work of quick adjustment backrest of the present utility model is as follows:
As shown in Figure 3, when handle 3 upwards pulls open, drive hauling rope 6 to pull-up, thus the rotating cam 10 be in rotary seat 7 that makes to link together rotates, by slide cam 11 jack-up, the slide cam 11 of jack-up forces gear 12 outwards movement, and pressuring spring 13, when being in this state, swivelling cover 8 and rotary seat 7 are in released state, are not locked by gear 12, can rotate freely; As shown in Figure 4, when handle 3 unclamps, hauling rope 6 is driven to fall after rise, be subject to spring 13 power affect gear 12, slide cam 11 moves inward, rotating cam 10 is pushed up back initial condition, and when being in this state, swivelling cover 8 and rotary seat 7 are in by gear 12 lock-out state, cannot rotate freely.
Quick adjustment backrest of the present utility model has the two groups of adjusting parts in left and right, does not interfere with each other, more convenient when structure installment, when pull-up hauling rope 6 is in rotary state, even if firmly excessive, also can not produce damaging influence.
Below be only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.

Claims (4)

1. a quick adjustment backrest, comprise backrest, saddle and quick adjustment assembly, it is characterized in that: described quick adjustment assembly is by a left side identical with structure of shaking hands, right adjusting part composition, right adjusting part comprises one end and is fixed on hauling rope on handle, the rotary seat be connected with backrest, rotating cam, slide cam, gear and the swivelling cover be connected with saddle, rotary seat is fixed with rotating shaft and rotating shaft is arranged with rotating cam from left to right successively, slide cam and gear, the other end of hauling rope is fixed on rotating cam through rotary seat, rotary seat offsets with swivelling cover and all mutually meshing with gear, spring is connected with between swivelling cover and gear.
2. a kind of quick adjustment backrest according to claim 1, is characterized in that: the catch base described backrest being provided with locking handle.
3. a kind of quick adjustment backrest according to claim 1, is characterized in that: the outside of described swivelling cover is fixed with reinforcement steel disc.
4. a kind of quick adjustment backrest according to claim 1, is characterized in that: described rotary seat is provided with the guide pipe passed for hauling rope.
CN201420464176.8U 2014-08-18 2014-08-18 A kind of quick adjustment backrest Expired - Fee Related CN204037633U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420464176.8U CN204037633U (en) 2014-08-18 2014-08-18 A kind of quick adjustment backrest

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420464176.8U CN204037633U (en) 2014-08-18 2014-08-18 A kind of quick adjustment backrest

Publications (1)

Publication Number Publication Date
CN204037633U true CN204037633U (en) 2014-12-24

Family

ID=52238332

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420464176.8U Expired - Fee Related CN204037633U (en) 2014-08-18 2014-08-18 A kind of quick adjustment backrest

Country Status (1)

Country Link
CN (1) CN204037633U (en)

Similar Documents

Publication Publication Date Title
CN108232789A (en) A kind of electric power connecting base device of powered stable
CN107181107A (en) A kind of safe deduster equipment
CN107404038A (en) A kind of deduster equipment
CN204037633U (en) A kind of quick adjustment backrest
CN104383660A (en) Novel finger rehabilitation device
CN205844966U (en) A kind of stop position-limit mechanism
CN205553784U (en) Extending structure's universal wheel
CN205391652U (en) Table tennis table's rotary fixing device
CN107181195A (en) A kind of drawer-type distribution box device
CN204034186U (en) A kind of novel finger rehabilitation device
CN204112704U (en) A kind of scaffold high speed fastener
CN204279803U (en) A kind of child's tricycle regulates backrest
CN203826852U (en) Simple aerodyne moving with leading lines
CN207320756U (en) Power cable classification fixing device
CN206675312U (en) The automatic reset structure of stow-away arm rest
CN203927283U (en) A kind of swivel base for parasols
CN104085486B (en) The rotatable bicycle profile tube device folded
CN210543057U (en) Convenient domestic body-building apparatus
CN208288678U (en) A kind of Simple reinforced bar stretching device
CN107310461B (en) A kind of logistics semitrailer device
CN208951102U (en) A kind of slideway type safe lock wheel
CN208650692U (en) Aircraft rotation lock
CN204941327U (en) Ladder
CN206180476U (en) Special multiplexer utensil is fixed to live working hanging flower basket
CN209146468U (en) A kind of large size valve spanner

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141224

Termination date: 20180818

CF01 Termination of patent right due to non-payment of annual fee