CN202088810U

CN202088810U - Linkage brake wheel set

Info

Publication number: CN202088810U
Application number: CN2011201843779U
Authority: CN
Inventors: 王安德
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-06-02
Filing date: 2011-06-02
Publication date: 2011-12-28
Anticipated expiration: 2021-06-02

Abstract

The utility model relates to a linkage brake wheel set, which comprises a wheel seat where a linkage assembly is arranged. One end of a first pressing piece of the linkage assembly is protruded outside the wheel seat. A linkage rod is arranged below the first pressing piece so that when the user pushes the first pressing piece to swing the first pressing piece up and down, the user can push down the linkage rod to move the linkage rod downwards, and push the pushing part of a pull-press piece at the upper part to rotate the pull-press piece and lean against the periphery of the wheel by the pull-pressing part at the lower end of the pull-press piece to make the wheel stop rotating; while the user pushes object on the wheel seat to overcome the frictional force between the pull-press part and the periphery of the wheel, the pull-press piece swings in the reverse direction so that the wheel rotates again.

Description

Linkage type brake wheels

Technical field

The utility model relates to a kind of linkage type brake wheels, refers to a kind of wheel can being checked especially, and can automatically terminate brake, with the linkage type brake wheels of the object that is applicable to suitcase, storage box, hand barrow or other form.

Background technology

No matter be the object of the employed suitcase of common people, storage box, hand barrow or other form, can several wheels be set in its bottom surface mostly, supporting the weight of the article of being placed in this object and the object simultaneously, and the user can be made things convenient for and this object is moved in the labour-saving.

And in order to allow this object energy automatic steering when advancing or retreat, mostly can be replacing general fixed wheel by self wheel.Wherein, this self wheel mainly comprises a bracing frame, and the top of bracing frame vertically is articulated in the below of object, and wheel then is the bottom that horizontal pivot is connected on bracing frame, and the pivot points of the axis deviation bracing frame of wheel.Thus, when the user promotes this object, because the horizontal rotation of bracing frame meeting can allow wheel rotate to the direction of advancing away from object, conveniently to advance or to turn.

In addition, the brake gear of a pedal type can be set mostly around the wheel, make after depressing pedal, make wheel static fully, and after upwards stirring pedal, remove control wheel.And, can effectively control the rotation of wheel really by this brake gear, but when reality is used, the user must stir pedal just can remove control to wheel, thus, will increase user's operating time, is not very good.

In view of this, in order to improve above-mentioned shortcoming, linkage type brake wheels not only can actv. be checked wheel, and can be when the user enforces object, automatically terminate braking action, with the convenient object that promotes, long-pending experience and the continuous research and development for many years of creator improve, and generation of the present utility model is arranged then.

The utility model content

Main purpose of the present utility model not only can be checked wheel with the casting die actv. of pulling providing a kind of, and can be when the user enforces object, allow the casting die backswing of pulling, make to automatically terminate brake, at high speed and promote the linkage type brake wheels of object easily.

Secondary objective of the present utility model is providing a kind of cross one another pressing piece that has, and makes the linkage type brake wheels that can carry out brake at the different directions of object.

For reaching the purpose of above-mentioned utility model, the set linkage type brake wheels of the utility model comprise a wheel seat, a bracing frame, at least one wheel, a linked component and at least one pressure assembly of pulling.Wherein, this wheel seat is fixed on the below of an object, and the bottom of wheel seat is provided with perforation; The top of this bracing frame and wheel seat articulate, the flat rotation of supplying water, and the top of bracing frame is provided with down perforation; This at least one wheel horizontal pivot is connected on the bottom of bracing frame, and the axle center of wheel and the pivot points of bracing frame have certain horizontal throw; This linked component is positioned in the wheel seat, what linked component comprised that one first pressing piece, a trace and can allow trace move to reset first replys part, one end of first pressing piece is articulated in the wheel seat, the other end of first pressing piece is provided with first press section that protrudes from the wheel seat outside, and trace passes perforation and perforation down, and the top of trace is pressed on the below of first pressing piece; And this pressure assembly of pulling comprises that the casting die and of pulling can make second of the casting die homing of pulling reply part, casting die and the bracing frame level of pulling articulates, and the upper end of the casting die of pulling is provided with pushing portion, and pushing portion is the below that is positioned at trace, and the lower end of the casting die of pulling is provided with the splenium of pulling, the splenium of pulling is positioned at a distance of wheel outer peripheral edges, so as to allowing the splenium of pulling prop up the periphery of wheel, wheel is stopped operating, and when promoting object, make the casting die backswing of pulling, thereby wheel can smooth and easyly be rotated.

So as to stirring first pressing piece so that trace when moving down, promotes to pull casting die with trace, and after the casting die swing of pulling, allow the splenium of pulling prop up the periphery of wheel, wheel is stopped operating, and when promoting object, allow the casting die backswing of pulling, wheel can be rotated again.

Be provided with a stop part in this bracing frame, when propping up the periphery of wheel, locate this pushing portion for the splenium of pulling.

During enforcement, the splenium of pulling of casting die lower end of pulling has lower arcuate surface, lower arcuate surface has first end and second end, and the casting die of pulling articulates with pivot and bracing frame level, and the straight length that connects pivot, first end and axis wheel is shorter than the straight length that connects pivot, second end and axis wheel.

During enforcement, be provided with stop part in the bracing frame, for pulling splenium when propping up the periphery of wheel, pushing portion is lived in the location, and casting die is rotated further to prevent to pull.

During enforcement, the splenium of pulling of the casting die lower end of pulling has a lower arcuate surface.This lower arcuate surface is preferably rough surface.

During enforcement, the bottom of bracing frame is provided with two tools parallel lug at interval, articulates a wheel between two parallel lugs, and the both sides of wheel are respectively equipped with an axially extended bulge loop, and the diameter of bulge loop is less than the diameter of wheel; And the casting die of pulling has two, for the periphery that compresses two bulge loops respectively with the splenium of pulling.

During enforcement, the bottom of bracing frame is provided with a lug, and the both sides of lug articulate a wheel respectively; And the casting die of pulling is provided with two, for the periphery that compresses two wheels respectively with the splenium of pulling.At least one side of described wheel also can be provided with an axially extended bulge loop, and the diameter of bulge loop compresses the periphery of two bulge loops respectively less than the diameter of wheel with the splenium of pulling for two casting dies of pulling.

During enforcement, the utility model more comprises one second pressing piece, and the one end is articulated in the wheel seat, the other end is provided with second press section that protrudes from wheel seat outside, second pressing piece intersects mutually with first pressing piece, and second pressing piece is positioned at the top of trace, feeds to down and compresses trace; And this trace comprises a sleeve and a center link that from top to bottom inserts in this sleeve, and first pressing piece is passed on the top of this center link, and is connected with second pressing piece.

The utility model beneficial effect is:

1, the utility model can compress the periphery of wheel with the lower arcuate surface of the splenium of pulling, and allows pushing portion be pressed on the top of the stopper section of bracing frame, therefore, can effectively wheel be checked, to prevent wheel.

2, the utility model can be when the user enforces object, by the directional tagging of wheel, allows the casting die backswing of pulling, make to automatically terminate brake, therefore, not only quite convenient in operation, and can promote object immediately and advance, to race against time meeting with under the emergency.

3, the utility model can be provided with axially extended bulge loop at the either side of wheel, compress for the lower arcuate surface of the splenium of pulling, therefore, although be the periphery of wheel because of long-time roll wear and tear after, still can actv. control wheel and stop or advancing.

4, the utility model can carry out brake at the different directions of object, and is therefore, quite convenient in the use operation.

For ease of more deep understanding being arranged, after being specified in now to the utility model.

Description of drawings

Fig. 1 is the three-dimensional appearance scheme drawing of first embodiment of the present utility model.

Fig. 2 is the combination generalized section of first embodiment of the present utility model.

Fig. 3～5 are the running condition figure of first embodiment of the present utility model.

Combination generalized section when Fig. 6 is located in the bracing frame for stop part of the present utility model.

Fig. 7 is the front elevation of second embodiment of the present utility model.

Fig. 8 is the front elevation of the 3rd embodiment of the present utility model.

Fig. 9 is the front elevation of the 4th embodiment of the present utility model.

Figure 10 is the generalized section of the 5th embodiment of the present utility model.

[main element nomenclature]:

1 linkage type brake wheels, 2 wheel seat pivots 21

212 times perforation of perforation, 3 bracing frames on 211

31 lugs, 4 wheels, 41 axostylus axostyles

5 linked components, 51 first pressing pieces, 511 first press sections

52 traces 53 first are replied the parts 6 pressure assembly of pulling

61 pull casting dies 62 second are replied the parts 63 pressure assembly of pulling

64 pivots 65 splenium 66 first ends of pulling

67 second ends, 9 objects

The specific embodiment

See also shown in Fig. 1,2, first embodiment that it is the utility model linkage type brake wheels 1 comprises that a wheel seat 2, a bracing frame 3, a wheel 4, a linked component 5 and are pulled to press assembly 6.

This wheel seat 2 is for being fixed on the hollow housing of an object 9 belows, and this object 9 can be the object of suitcase, storage box, hand barrow or other form.The top of the bottom of wheel seat 2 and bracing frame 3 is run through up and down with a hollow pivot 21, so that wheel seat 2 is articulated with bracing frame 3, and allows the bracing frame 3 can horizontal rotation.Wherein, the top of the hollow pipeline of hollow pivot 21 is to form on one to bore a hole 211, and the bottom of hollow pivot 21 is to form to bore a hole 212.

The bottom of this bracing frame 3 is provided with two tools parallel lug 31 at interval, two parallel lugs 31 are respectively equipped with a pivoted hole, two pivoted holes are positioned at same axis, and a wheel 4 is provided with an axis hole, by an axostylus axostyle 41 wheel 4 horizontal pivots are connected between two parallel lugs 31.And make the axle center of wheel 4 and the pivot points of bracing frame 3 have a horizontal throw, that is the pivot points of the axis deviation bracing frame 3 of wheel 4.

This linked component 5 is positioned in the wheel seat 2, comprises one first pressing piece 51, a trace 52 and one first answer part 53.Wherein, first pressing piece 51 is a plate, and the one end is articulated in the wheel seat 2, and it is the outsides that protrude from wheel seat 2 that the other end is provided with 511, the first press sections 511, one first press section.This trace 52 is for running through perforation 211 up and down and 212 the vertical rod of boring a hole down, and the top of trace 52 is pressed on the below at the position, stage casing of first pressing piece 51, and during enforcement, the top of trace 52 also can be articulated on the position, stage casing of first pressing piece 51.And the first answer part 53 is a compression spring, and for being socketed on the trace 52, so that first upper end of replying part 53 upwards compresses the position, stage casing of first pressing piece 51, first lower ends downward of replying part 53 compresses hollow pivot 21.So as to being subjected to compressing of first pressing piece 51 after moving down, can allow upwards homing of trace 52 at trace 52.During enforcement, first replys part 53 also can be an end and is connected in the wheel seat 2, and the other end is connected the extension spring of first pressing piece, 51 tops, equally can be after trace 52 stressed moving down, allow trace 52 homings.

This pressure assembly 6 of pulling comprises pull casting die 61 and one second answer part 62.The casting die 61 of pulling is a plate, but described pull casting die 61 also sheetmetal bending form.During enforcement, this upper end of pulling casting die 61 is provided with a pushing portion 63, and pushing portion 63 is the belows that are positioned at trace 52; This middle position of pulling casting die 61 forms a perforation, is provided with after a pivot 64 levels pass this perforation, and casting die 61 horizontal pivots of will pulling are connected in the bracing frame 3, allow pull casting die 61 can rotary oscillation.One torsion spring then is to be socketed on the pivot 64, and this torsion spring is replied part 62 as second, and the two ends of this torsion spring connect pull casting die 61 and bracing frame 3 respectively, so that the casting die 61 of pulling is positioned on the position.During enforcement, this second answer part 62 also can be an end and is connected in the bracing frame 3, and the other end connects the stretching or the compression spring of the casting die 61 of pulling.

In addition, this lower end of pulling casting die 61 is provided with the splenium 65 of pulling, and the splenium 65 of pulling has a lower arcuate surface, and described lower arcuate surface is preferably a rough surface, and this lower arcuate surface has one first end 66 and one second end 67.When the casting die 61 of pulling was positioned on the position, this splenium 65 of pulling was distances that are positioned at wheel 4 outer peripheral edges.At this moment, when casting die 61 was pulled in rotation, the straight length that connects pivot 64, first end 66 and wheel 4 axle center was to be shorter than the straight length that connects pivot 64, second end 67 and wheel 4 axle center.

Whereby, as shown in Figure 3, after the user promotes first press section 511 of first pressing piece 51 downwards, can overcome the elastic force of the first answer part 53, with downward pushing trace 52, allow trace 52 move down, and, the casting die 61 of pulling is rotated with the lower end of trace 52 promote the to pull pushing portion 63 of casting die 61 upper ends.As shown in Figure 4, when the user decontroled the strength of pushing downwards, the elastic force effect by the first answer part 53 then can allow pressing piece 51 move up and homing.And when the casting die 61 of pulling rotated, first end 66 of its splenium 65 of pulling can contact with the periphery of wheel 4 earlier, made the lower arcuate surface of the splenium 65 of pulling compress the periphery of wheel 4 fully again.At this moment, because it is also longer than the straight length that connects pivot 64, first end 66 and wheel 4 axle center to connect the straight length in pivot 64, second end 67 and wheel 4 axle center, the casting die 61 that can prevent to pull is rotated further, thereby wheel 4 is stopped operating.

And as shown in Figure 5, when user's level promotes object 9, because bracing frame 3 can horizontal rotation, therefore, can allow wheel 4 rotate, and overcome the friction force of pulling between splenium 65 and wheel 4 peripheries to the direction of advancing away from object 9, allow casting die 61 backswings of pulling, thereby make wheel 4 break away from the control of splenium 65 of pulling, and allow wheel 4 rotate again, advance to drive object 9.And owing to second reply the elastic force effect of part 62, then can allow casting die 61 homings of pulling, and allow the splenium 65 of pulling remain on the state that separates with wheel 4.

During enforcement, also can be provided with the cross bar shown in figure stream in this bracing frame 3, this cross bar is as stop part 32, and this stop part 32 is positioned at a side of the casting die 61 of pulling.Whereby, when the casting die 61 of pulling is subjected to the promotion of trace 52 and rotates, can allow pushing portion 63 compress stopper section 32, casting die 61 is rotated further to prevent to pull.

See also shown in Figure 7, it is second embodiment of the utility model linkage type brake wheels 1, itself and the first embodiment difference are: the and arranged on left and right sides of this wheel 4 is respectively equipped with an axially extended bulge loop 33,33 ', and bulge loop 33,33 ' diameter are less than the diameter of wheel 4; And the casting die 61 of pulling is provided with two, compresses two bulge loops 33,33 ' periphery so as to utilizing the

splenium

68,69 of pulling respectively, with the rotation of control wheel 4.During enforcement, the pushing portion 63 of these two casting dies 61 of pulling also can connect and be one, to control the action of two

spleniums

68,69 of pulling simultaneously.

And as shown in Figure 8, it is the 3rd embodiment of the utility model linkage type brake wheels 1, and wherein, the bottom of this bracing frame 3 is provided with a lug 31, and the and arranged on left and right sides of lug 31 articulates wheel 4 respectively; And this casting die 61 of pulling is provided with two, can compress the periphery of two wheels 4 respectively with the splenium 65 of pulling.

In the 4th embodiment shown in Figure 9, the left side of the right side of this left side wheel 4 and right side wheels 4 is respectively equipped with an axially extended bulge loop 34,34 ', two bulge loops 34,34 ' diameter are all less than the diameter of wheel 4, whereby, equally can be respectively compress two bulge loops 34,34 ' periphery, to control the rotation of each wheel 4 respectively with the splenium 65 of pulling of two casting dies 61 of pulling.

In addition, Figure 10 is the 5th embodiment of the utility model, wherein, one end of one second pressing piece 7 is to be articulated in the wheel seat 2, the other end of second pressing piece 7 is to be provided with second press section 71 that protrudes from wheel seat 2 outsides, second pressing piece 7 is positioned at the top of first pressing piece 51, and second pressing piece 7 intersects mutually with first pressing piece 51.And this trace 52 comprises that a bottom osed top sleeve 521 and from top to bottom inserts the center link 522 in this sleeve 521, first pressing piece 51 is passed on the top of this center link 522, and be connected with the position, stage casing of second pressing piece 7, and this sleeve 521 is the belows that are positioned at the position, stage casing of first pressing piece 51.Whereby, when no matter the user tramples first pressing piece 51 or second pressing piece 7 downwards, all can compress trace 52 downwards, and allow trace 52 promote to pull casting die 61, with the rotation of control wheel 4.

During enforcement, this center link 522 also can run through sleeve 521 fully, and is socketed in the outer peripheral edges of center link 522 with a compression spring.Whereby, when the user tramples first pressing piece 51 downwards, promptly can compress sleeve 521 downwards by first pressing piece 51, promote to pull casting die 61 with sleeve 521; Or when the user tramples second pressing piece 7 downwards, compress center link 522 downwards with second pressing piece 7, and promote to pull casting die 61 with center link 522, with the rotation of control wheel 4.

Therefore, the utlity model has following advantage:

In sum, hold according within above disclosing, the utility model really can reach the intended purposes of creation, providing a kind of not only can actv. check wheel, and can when enforcing object, the user automatically terminate braking action, with the convenient linkage type brake wheels that promote object.

The above is specific embodiment of the utility model and the technological means of being used, can derive according to the exposure of this paper or instruction and to derive many changes and correction, if the equivalence of doing according to the conception of the utility model changes, when the effect that it produced does not exceed the connotation that specification sheets and accompanying drawing contain yet, all should be considered as within the technology category of the utility model, closing first Chen Ming.

Claims

1. linkage type brake wheels is characterized in that, comprising:

A wheel seat is fixed on the below of an object, and the bottom of wheel seat is provided with one and goes up perforation;

A bracing frame, its top and wheel seat articulate, and for the horizontal rotation of this bracing frame, and the top of bracing frame is provided with a perforation down;

At least one wheel, horizontal pivot are connected to the bottom of bracing frame, and the axle center of wheel and the pivot points of bracing frame have a horizontal throw;

A linked component, be positioned in the wheel seat, what this linked component comprised that one first pressing piece, trace and one can allow trace move to reset first replys part, one end of first pressing piece is articulated in the wheel seat, the other end of first pressing piece is provided with first press section that protrudes from the wheel seat outside, and trace passes perforation and perforation down, and the top of trace is pressed on the below of first pressing piece; And

At least one pressure assembly of pulling, this is pulled and presses assembly to comprise pull a casting die and the second answer part that can make the casting die homing of pulling, this pull casting die and the pivot joint of bracing frame level, and the upper end of this casting die of pulling is provided with a pushing portion, pushing portion is positioned at the below of trace, the lower end of this casting die of pulling is provided with the splenium of pulling, the splenium of pulling is positioned at a distance of wheel outer peripheral edges, make casting die when swing of pulling when stirring first pressing piece, can allow the splenium of pulling prop up the periphery of wheel, so that wheel stops operating, and when promoting object, make the casting die backswing of pulling, can allow pull the splenium separating wheel periphery so that wheel can smooth and easyly rotate.

2. linkage type as claimed in claim 1 brake wheels is characterized in that, are provided with a confession in this bracing frame and pull and locate the stop part of this pushing portion when splenium props up the periphery of wheel.

3. linkage type brake wheels as claimed in claim 1, it is characterized in that, the splenium of pulling of this casting die lower end of pulling has a lower arcuate surface, this lower arcuate surface has one first end and one second end, this casting die of pulling articulates with a pivot and bracing frame level, and the straight length of connection pivot, first end and axis wheel is shorter than the straight length that connects pivot, second end and axis wheel.

4. linkage type brake wheels as claimed in claim 3 is characterized in that this lower arcuate surface is a rough surface.

5. linkage type brake wheels as claimed in claim 1, it is characterized in that, the bottom of this bracing frame is provided with two tools parallel lug at interval, a described wheel is articulated between two parallel lugs, the both sides of this wheel are respectively equipped with an axially extended bulge loop, and the diameter of bulge loop is less than the diameter of wheel; And this casting die of pulling is provided with two, for the periphery that compresses two bulge loops respectively with the splenium of pulling.

6. linkage type brake wheels as claimed in claim 1 is characterized in that the bottom of this bracing frame is provided with a lug, and the both sides of lug articulate a described wheel respectively; And the casting die of pulling is provided with two, for the periphery that compresses two wheels respectively with the splenium of pulling.

7. linkage type brake wheels as claimed in claim 6 is characterized in that at least one side of arbitrary wheel is provided with an axially extended bulge loop, and the diameter of bulge loop compresses the periphery of two bulge loops respectively less than the diameter of wheel with the splenium of pulling for two casting dies of pulling.

8. linkage type brake wheels as claimed in claim 1, it is characterized in that, one second pressing piece, the one end is articulated in the wheel seat, the other end of second pressing piece is provided with second press section that protrudes from wheel seat outside, and second pressing piece intersects mutually with first pressing piece; And this trace comprises a sleeve and a center link that from top to bottom inserts in this sleeve, and first pressing piece is passed on the top of this center link, and is connected with second pressing piece.