CN210018263U

CN210018263U - Height adjuster for humpback-proof schoolbag straps

Info

Publication number: CN210018263U
Application number: CN201920972458.1U
Authority: CN
Inventors: 施恩明
Original assignee: Fuzhou Linwenguang Electronic Technology Co Ltd
Current assignee: Fuzhou Linwenguang Electronic Technology Co Ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-02-07
Anticipated expiration: 2029-06-26

Abstract

The utility model relates to a knapsack technical field specifically is an anti-humpback schoolbag braces altitude controller, its simple structure, reasonable in design, practical meaning and spreading value have, expect to produce good economic benefits, including base and adjusting block, base bottom surface both sides are equipped with the fixed orifices, are equipped with the take-up housing in the base, and take-up housing both sides equidistance is equipped with a plurality of constant head tanks, and base top surface both sides are equipped with shoulder belt hole and regulation hole, and adjusting block constitutes with the take-up housing and removes vice, and adjusting block bottom both ends are equipped with rather than constituting and remove vice positioning bolt, and 2 positioning bolt adjacent ends pass through spring interconnect, and positioning bolt and constant head tank match, are equipped with U type groove on the positioning bolt, and the adjusting block both sides still are equipped with the fixed pin.

Description

Height adjuster for humpback-proof schoolbag straps

Technical Field

The utility model relates to a knapsack technical field specifically is a prevent hunchback schoolbag braces altitude controller.

Background

The difficulty of correcting the schoolbag in the later stage of long-term use is increased if the height of the schoolbag strap is adjustable, so that the schoolbag strap has positive significance, the prior art discloses an anti-humpback backpack (application number: CN201621368215. X) which comprises a backpack body, straps are arranged on two sides of the backpack body, a flip cover is arranged on the upper part of the backpack body and connected with the backpack body through a first connecting piece, a back cushion is arranged on the middle part of the backpack body close to one side of the back of the user, the back cushion comprises a first convex block, a second convex block and a concave block positioned between the first convex block and the second convex block, the concave block is arranged on the middle part of the back cushion and extends along the back of the user, the upper end of the concave block extends to the flip cover, the first convex block is of a cylindrical structure, the setting is inside concave block, the second lug sets up in concave block's outside, and the lower extreme and the both sides of concave block all are connected with the second lug, the upper end and the flip of second lug are connected, the both sides of second lug are connected with the both sides of knapsack body, it has set up numerous parts through reequiping the knapsack and has played the effect of preventing the hunchback, not only be difficult to production and processing, and the structure is complicated, if consequently if research and development one kind is used for solving the hunchback problem, be convenient for adjust the altitude controller of schoolbag braces height will have positive meaning.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an prevent hunchback schoolbag braces altitude controller to solve the problem of mentioning in the background art.

In order to achieve the purpose, the utility model provides a following technical scheme, including base and adjusting block, base bottom surface both sides are equipped with the fixed orifices, be equipped with the slider groove in the base, slider groove both sides equidistance ground is equipped with a plurality of constant head tanks, base top surface both sides are equipped with shoulder strap hole and regulation hole, adjusting block with the slider groove constitutes the shifting pair, adjusting block bottom both ends are equipped with rather than constituting the vice positioning bolt of shifting, 2 the adjacent end of positioning bolt passes through spring interconnect, the positioning bolt with the constant head tank matches, be equipped with U type groove on the positioning bolt, the adjusting block both sides still are equipped with the fixed pin.

Preferably, the number of the positioning grooves formed in the two sides of the interior of the base is 3.

Preferably, the fixing pin is a stainless steel fixing pin.

Preferably, gear marks are arranged in the middle of the 2 adjusting holes.

Preferably, the base is connected with the schoolbag through the fixing holes by screws or rivets.

Preferably, the spring is a stainless steel coil spring.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:

the utility model provides a pair of prevent hunchback schoolbag braces altitude controller, be connected the base with the knapsack during use, pass the braces hole and sew up with the fixed pin, when needs adjust braces length, the user holds between the fingers the U type groove on the positioning bolt and makes the spring between the positioning bolt compressed, promote adjusting block at the take-up block inslot with the hand and reciprocate, thereby height-adjusting is realized to the fixed braces of adjusting block's fixed pin, when removing corresponding constant head tank, loosen the hand of holding between the fingers U type groove, the positioning bolt blocks the constant head tank because the elasticity of spring, the adjusting block position is fixed this moment.

The utility model discloses simple structure, reasonable in design has practical meaning and spreading value, expects to produce good economic benefits.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a top view of the present invention;

FIG. 2 is a perspective view (oblique view) of the present invention;

FIG. 3 is a schematic view of the usage state of the present invention;

FIG. 4 is a schematic cross-sectional structure of the present invention;

FIG. 5 is a schematic perspective view (oblique view) of the present invention;

FIG. 6 is a schematic cross-sectional structure of the present invention;

FIG. 7 is a schematic cross-sectional structure of the present invention;

FIG. 8 is a schematic cross-sectional structure of the present invention;

in the figure: the adjustable sliding block comprises a base 1, a fixing hole 11, a sliding block groove 12, a positioning groove 13, a back strap hole 14, an adjusting hole 15, a gear mark 16, an adjusting sliding block 2, a positioning bolt 21, a spring 22, a U-shaped groove 23 and a fixing pin 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

With reference to fig. 1-8, a height adjuster for a suspender of a humpback-proof schoolbag comprises a base 1 and an adjusting slider 2, wherein fixing holes 11 are arranged on two sides of the bottom surface of the base 1, slider grooves 12 are arranged in the base 1, 3 positioning grooves 13 are equidistantly arranged on two sides of each slider groove 12, a suspender hole 14 and an adjusting hole 15 are arranged on two sides of the top surface of the

base

1, 2 gear marks 16 are arranged in the middle of the adjusting hole 15, the adjusting slider 2 and the slider grooves 12 form a moving pair, positioning latches 21 which form the moving pair with the adjusting slider 2 are arranged at two ends of the bottom of the adjusting

slider

2, 2 adjacent ends of the positioning latches 21 are connected with each other through springs 22, the positioning latches 21 are matched with the positioning grooves 13, U-shaped grooves 23 are arranged on the positioning latches 21, and fixing pins 24 are further arranged on.

The fixing pin 24 is a stainless steel fixing pin; the base 1 is connected with a schoolbag through the fixing holes 11 by screws or rivets; the spring 22 is a stainless steel coil spring.

The utility model discloses the theory of operation: when the adjustable shoulder strap is used, the base 1 is connected with a backpack, the shoulder strap penetrates through the backpack hole 14 and is sewn with the fixing pin 24, when the length of the shoulder strap needs to be adjusted, a user holds the U-shaped groove 23 on the positioning latch 21 with hands to compress the spring 22 between the positioning latches 21, the adjusting slider 2 is pushed by the hands to move up and down in the slider groove 12, the height of the shoulder strap fixed by the fixing pin 24 of the adjusting slider 2 is adjusted, when the shoulder strap moves to the corresponding positioning groove 13, the hand holding the U-shaped groove 23 is loosened, the positioning latch 21 clamps the positioning groove 13 due to the elasticity of the spring 22, and the position of the adjusting slider 2 is.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an anti-humpback schoolbag braces height adjuster which characterized in that includes:

the sliding block positioning device comprises a base (1), wherein fixing holes (11) are formed in two sides of the bottom surface of the base (1), a sliding block groove (12) is formed in the base (1), a plurality of positioning grooves (13) are formed in two sides of the sliding block groove (12) at equal intervals, and a back belt hole (14) and an adjusting hole (15) are formed in two sides of the top surface of the base (1);

adjusting slide block (2), adjusting slide block (2) with slider groove (12) constitute the sliding pair, adjusting slide block (2) bottom both ends are equipped with rather than constituting the vice positioning latch (21) that moves, 2 adjacent end of positioning latch (21) passes through spring (22) interconnect, positioning latch (21) with positioning slot (13) match, be equipped with U type groove (23) on positioning latch (21), adjusting slide block (2) both sides still are equipped with fixed pin (24).

2. The height adjuster of a humpback-proof schoolbag strap of claim 1, characterized in that: the locating grooves (13) are arranged on two sides in the base (1) in number of 3.

3. The height adjuster of a humpback-proof schoolbag strap of claim 1, characterized in that: the fixing pin (24) is a stainless steel fixing pin.

4. The height adjuster of a humpback-proof schoolbag strap of claim 1, characterized in that: the middle part of each of the 2 adjusting holes (15) is provided with a gear mark (16).

5. The height adjuster of a humpback-proof schoolbag strap of claim 1, characterized in that: the base (1) is connected with the schoolbag through the fixing holes (11) by screws or rivets.

6. The height adjuster of a humpback-proof schoolbag strap of claim 1, characterized in that: the spring (22) is a stainless steel coil spring.