CN110239280A

CN110239280A - Castor

Info

Publication number: CN110239280A
Application number: CN201810193731.0A
Authority: CN
Inventors: 卓安寗
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-03-09
Filing date: 2018-03-09
Publication date: 2019-09-17
Anticipated expiration: 2038-03-09
Also published as: CN110239280B

Abstract

The invention discloses a kind of castors comprising an ontology, a control assembly, a brake sliding block and a locating part.The ontology definition one is axial, including a pin and a wheel seat, the wheel seat are articulated in the pin along the axial direction, and an at least wheel body is hubbed at the wheel seat, which is equipped with an at least groove.The control assembly includes a cam and a brake component, which is equipped with one first teeth portion along the side of the axial direction, and the other side is equipped with an at least card convex, and one first elastic component is normally butted towards the direction of the cam by the brake component.

Description

Castor

Technical field

The present invention is about a kind of castor.

Background technique

The general castor with braking function, is substantially made of the wheel body that an ontology is articulated on ontology with one, A brake unit is equipped between ontology and wheel body, and unit of braking can be pressed by promotion in the metal plate on wheel body for one Piece, in addition an ora terminalis of ontology is that pivot joint has a pin, and castor is connected to the bottom of carried frame body using pin, When preparing to be displaced the frame body, mutually pivoting by pin with ontology can effectively make ontology that wheel body be driven to carry out turning for multidirectional It is dynamic, with smooth movable support body, and when frame body is moved to predetermined position by operator, then press using the unit that will brake in wheel Reach brake effect on body to prevent wheel body from rolling.Castor disclosed by TaiWan, China patent No. TWM298527 belongs to such.

However, although such existing castor can prevent wheel body from rolling, since pin and ontology are still in can be mutually pivotable State, when frame body by external force push against when, frame body and pin can be made to be turned with the contact point axle center on the wheel body and ground It is dynamic, it so can still result in frame body and pin and still generate displacement with respect to ground, and the article for being easy to make to be placed on frame body rocks very To falling, there is the scarce disadvantage urgently improved.

It is above-mentioned to solve the problems, such as therefore, it is necessary to provide castor a kind of novel and with progressive.

Summary of the invention

The main purpose of the present invention is to provide a kind of castors, can be switched fast in oriented sliding, brake, free to slide etc. Three kinds of states, to be adjusted according to behaviour in service, and the simple structure of the castor and easy to operate.

To reach above-mentioned purpose, the invention adopts the following technical scheme:

A kind of castor, comprising:

One ontology defines one axially, including a pin and a wheel seat, the wheel seat are articulated in the pin along the axial direction, at least One wheel body is hubbed at the wheel seat, which is equipped with an at least groove；

One control assembly, including a cam and a brake component, the cam be radially provided with one first protrusion, one second protrusion and One third protrusion, the radial dimension of first protrusion are less than the radial dimension of second protrusion, the radial dimension of second protrusion Less than the radial dimension of the third protrusion, the cam be hubbed at the ontology and be rotating at an orienting station, a moving position and One latched position, the brake component are slidedly arranged on the ontology along the axial direction and can not rotate relative to the pin, and the brake component is along the axial direction Side be equipped with one first teeth portion, the other side is equipped with an at least card convex, and one first elastic component is normally convex towards this by the brake component The direction of wheel is butted；

One brake sliding block, one end set on the brake component far from the cam, the brake component and the related sliding of brake sliding block；

One locating part is connected to the wheel seat and is equipped with several jacks along the axial direction；

Wherein, when the cam turns to the orienting station, which is resisted against first protrusion and respectively the card convex is inserted Set on the groove, which can not rotate relative to the wheel seat；When the cam turns to the moving position, which is supported It peaks at second protrusion and respectively the card convex is detached from the groove, which can rotate relative to the wheel seat；When the cam turns to this When latched position, which is resisted against the third protrusion, which is inserted in the respectively jack and the brake component drives and is somebody's turn to do Brake sliding block is resisted against at least one wheel body, which can not rotate relative to the wheel seat and at least one wheel body can not also turn It is dynamic.

The locating part connects section, a bending segment and a limit section, the group including one group and connects section and be connected with group with the wheel seat, the limit Position section is equipped with the respectively jack, which is located at the limit section towards the side of the cam.

First teeth portion is circular tooth shape, and several tooth of first teeth portion are the sides along the axial direction towards at least wheel body To extension, each jack radially arranged askew.

The locating part is elastic bendable sheet body, when first teeth portion supports the limit section, the bending segment and limit section It is that can be swung by first teeth portion towards the pushing and pressing of the direction of at least wheel body with replying.

The brake component is radially provided with a disk body, and at least one card convex is set to the disk body and along the axial direction towards the side of the cam To extension, which is located on the disk body.

The wheel seat is equipped with a ring wall, is equipped with a Bearing in the ring wall, which is inserted in the internal perisporium of the Bearing.

The wheel seat includes a top plate and two side plates set on the top plate both ends, and at least one wheel body is hubbed at two side plate Between, which is connected to side of the top plate towards at least wheel body.

The brake sliding block is equipped with a brake cambered surface, and the curvature of the brake cambered surface is the periphery of the corresponding at least wheel body Face, the brake component are non-circular column.

The brake component is radially provided with a disk body, and at least one card convex is set to the disk body and along the axial direction towards the side of the cam To extension, which is located on the disk body；The wheel seat is equipped with a ring wall, is equipped with a Bearing in the ring wall, which plugs In the internal perisporium of the Bearing；The wheel seat includes a top plate and two side plates set on the top plate both ends, and at least one wheel body is hubbed at Two side sheet room, the locating part are connected to side of the top plate towards at least wheel body；The brake sliding block is equipped with a brake arc Face, the outer peripheral surface of the corresponding at least wheel body of the curvature of the brake cambered surface, which is non-circular column.

The brake component is equipped with a pillar towards one end of at least wheel body, which is equipped with a ring groove, the brake Slide block set is set to the pillar, a fastener be snapped in the ring groove with by the brake sliding block be limited in the pillar and disk body, fastener it Between, and the brake sliding block and the pillar have slidable gap, which is respectively equipped with towards the both ends of two side plate One supports protrusion, two this support protrusion and be resisted against two side sheet room respectively.

Beneficial effects of the present invention: castor of the invention can rotate in orienting station, moving position and lock by by cam Positioning is set, and is controlled the rotation of two wheel bodys and controlled the rotation relation of pin and the wheel seat, to reach actual use purpose.Separately Outside, it is swung by limit section and bending segment towards the direction of two wheel body and jack is radially arranged askew, jack can be made inclined It moves to the part tooth for being located at the first teeth portion, can smoothly be inserted into jack, therefore need not be accurately right by the first teeth portion and jack Position, successfully can be inserted in jack for the first teeth portion, to improve degree of operating conveniently.

Detailed description of the invention

Fig. 1 is a preferred embodiment of the present invention perspective view.

Fig. 2 is a preferred embodiment of the present invention exploded view.

Fig. 3 is a preferred embodiment of the present invention partial exploded view.

Fig. 4 is a preferred embodiment of the present invention side sectional view.

Fig. 5 to 7 is a preferred embodiment of the present invention operation cross-sectional view.

Fig. 8 is the schematic diagram that first teeth portion is inserted in the grade jacks.

Fig. 9 is a preferred embodiment of the present invention another partial exploded view.

1: ontology 24: card convex

2: 25: the first elastic component of control assembly

3: brake sliding block 26: disk body

4: locating part 27: pillar

11: axial 271: ring groove

12: pin 28: fastener

13: 211: the first protrusion of wheel seat

14: 212: the second protrusion of wheel body

15: groove 213: third protrusion

16: Bearing 231: tooth

131: ring wall 31: brake cambered surface

132: top plate 32: supporting protrusion

133: side plate 41: jack

21: cam 42: group connects section

22: brake component 43: bending segment

23: the first teeth portion 44: limit section

Specific embodiment

Hereinafter the possible state sample implementation of the present invention is only illustrated with embodiment, is so not intended to limit the invention and to be protected Scope, conjunction are first chatted bright.

Fig. 1 to Fig. 5 is please referred to, shows a preferred embodiment of the invention, castor of the invention includes an ontology 1, one The brake sliding block 3 of control assembly 2, one and a locating part 4.

The ontology 1 defines one axial 11, including a pin 12 and a wheel seat 13, the wheel seat 13 are articulated in this along the axial direction 11 Pin 12, at least a wheel body 14 are hubbed at the wheel seat 13, which is equipped with an at least groove 15, in this present embodiment the wheel seat 13 are pivoted with two wheel bodys 14 and equipped with opposite two grooves 15, the pin 12 can separately for be connected to a frame body (such as scaffold or Trolley etc., is not painted), for fast moving the frame body.

The control assembly 2 includes a cam 21 and a brake component 22, which is radially provided with one first protrusion 211, one Second protrusion 212 and a third protrusion 213, the radial dimension of first protrusion 211 are less than the radial ruler of second protrusion 212 Very little, the radial dimension of second protrusion 212 is less than the radial dimension of the third protrusion 213, which is hubbed at the ontology 1 simultaneously It is rotating at an orienting station, a moving position and a latched position, which is to be slidedly arranged on the ontology 1 along the axial direction 11 And can not be rotated relative to the pin 12, which is equipped with one first teeth portion 23 along axial 11 side, and the other side is equipped with An at least card convex 24, one first elastic component 25 is normally butted towards the direction of the cam 21 by the brake component 22, should by rotation Cam 21 can control the brake component 22 so that the brake component 22 is resisted against first protrusion 211 between the third protrusion 213 The opposite ontology 1 slides.

The brake sliding block 3 is set to the one end of the brake component 22 far from the cam 21, which is with the brake sliding block 3 Related sliding.Preferably the brake sliding block 3 is equipped with a brake cambered surface 31, and the curvature of the brake cambered surface 31 is corresponding two wheel body 14 Outer peripheral surface, to have preferably brake effect, which is non-circular column so that the brake component 22 can not it is opposite should Pin 12 rotates.

The locating part 4 is connected to the wheel seat 13 and is equipped with several jacks 41 along the axial direction 11.The wheel in this present embodiment Seat 13 includes a top plate 132 and two side plates 133 set on 132 both ends of top plate, which is to be hubbed at two side plate 133 Between, which is to be connected to side of the top plate towards two wheel body 14.

Please further cooperate with reference to Fig. 5 to Fig. 8, wherein when the cam 21 turns to the orienting station (such as Fig. 5 institute Show), which is resisted against first protrusion 211 and respectively the card convex 24 is inserted in the groove 15, which i.e. can not It rotates, the frame body and can not only can turn for moving linearly relative to the wheel seat 13；When the cam 21 turns to the moving position (as shown in Figure 6), which is resisted against second protrusion 212 and respectively the card convex 24 is detached from the groove 15, which is It can be rotated relative to the wheel seat 13, that is, be freely movable the frame body and turning；(such as when the cam 21 turns to the latched position Shown in Fig. 7), which is resisted against the third protrusion 213, which is inserted in the respectively jack 41 and the brake component 22 drive the brake sliding block 3 to be resisted against two wheel body 14, which can not rotate relative to the wheel seat 13 and two wheel body 14 Also it can not rotate, when can avoid two wheel body 14 and not rotating, the wheel seat 13 and the still phase of pin 12 when which is pushed against by external force Make the still opposite ground moving of the frame body to rotation.Therefore, the castor can by by the cam 21 rotate in the orienting station, should Moving position and the latched position, and control the rotation of two wheel body 14 and control the pin 12 and the rotation pass of the wheel seat 13 System, to reach actual use purpose.

Specifically, the locating part 4, which includes one group, connects section 42, a bending segment 43 and a limit section 44, the group connect section 42 with The wheel seat 13 is connected with group, which is equipped with the respectively grade jacks 41, and it is convex towards this which is located at the limit section 44 The side of wheel 21.

Further, first teeth portion 23 is circular tooth shape, the plural tooth 231 of first teeth portion 23 in this present embodiment Axial 11 extend towards the direction of two wheel body 14 along this, respectively the jack 41 radially arranged askew, to cooperate first teeth portion 23 shape, so that first teeth portion 23 is easier to be inserted into the grade jacks 41.Preferably the locating part 4 is elastic bendable sheet body, When first teeth portion 23 supports the limit section 44, the bending segment 43 and limit section 44 can be with replying by first teeth portion 23 towards this The direction of two wheel bodys 14, which pushes against, to be swung, specifically, when respectively the tooth 231 is not precisely directed to this for the part of first teeth portion 23 When being only resisted against the limit section 44 when jack 41, put by the limit section 44 and the bending segment 43 towards the direction of two wheel body 14 The dynamic and jack 41 radially arranged askew (as shown in Figure 8), the jack 41 can be made to deviate and to positioned at first teeth portion 23 Each tooth 231 in part, can smoothly be inserted into the jack 41, therefore need not be accurate right with the jack 41 by first teeth portion 23 Position, successfully can be inserted in the jack 41 for first teeth portion 23, to improve degree of operating conveniently.

The brake component 22 is radially provided with a disk body 26 in this present embodiment, and at least one card convex 24 is set to the disk body 26 and edge Axially 11 extend towards the direction of the cam 21 for this, which is located on the disk body 26.In addition the wheel seat 13 is equipped with a ring Wall 131, the ring wall 131 is interior to be equipped with a Bearing 16, which is inserted in the internal perisporium of the Bearing 16, so that the pin 12 can be suitable Sharply rotated relative to the wheel seat 13.

It is noted that as shown in Fig. 2 and Fig. 9, the brake component 22 is towards one end of two wheel bodys 14 in this present embodiment Equipped with a pillar 27, which is equipped with a ring groove 271, which is sheathed on the pillar 27, and a fastener 28 is snapped in The ring groove 271 is the brake sliding block 3 to be limited between the pillar 27 and disk body 26, fastener 28, other 3 face of brake sliding block One is respectively equipped with to the both ends of two side plate 133 and supports protrusion 32, this two is supported protrusion 32 and be resisted against two side plate 133 respectively Between, which, which can limit brake sliding block 3, makes the brake sliding block 3 to prevent the brake sliding block from rotating relative to the pillar 27 Brake cambered surface 31 forever towards two wheel body 14, preferably the fastener 28 is c-type fastener with more convenient dismounting, and the brake is sliding Block 3 and the pillar 27 have slidable gap, should when the brake cambered surface 31 of the brake sliding block 3 is resisted against two wheel body 14 Brake sliding block 3 can be slided slightly with respect to the pillar 27 slightly so that the brake cambered surface 31 of the brake sliding block 3 can be with the side of face contact Formula is resisted against two wheel body 14, to reach best brake effect.

To sum up, castor of the invention can rotate in the orienting station, the moving position and the locking bit by by the cam It sets, and controls the rotation of two wheel body and control the rotation relation of the pin Yu the wheel seat, to reach actual use purpose.Separately Outside, it is swung towards the direction of two wheel body by the limit section and the bending segment and respectively the jack is radially arranged askew, it can Make respectively jack offset to each tooth in part for being located at first teeth portion, can smoothly be inserted into the respectively jack, therefore need not incite somebody to action First teeth portion and the respectively jack accurate contraposition, successfully can be inserted in the respectively jack for first teeth portion, to improve operation Discussing Convenience.

Claims

1. a kind of castor, it is characterised in that: include:

One ontology defines one axially, including a pin and a wheel seat, which is articulated in the pin, at least one wheel along the axial direction Body is hubbed at the wheel seat, which is equipped with an at least groove；

One control assembly, including a cam and a brake component, the cam are radially provided with one first protrusion, one second protrusion and one Three protrusions, the radial dimension of first protrusion are less than the radial dimension of second protrusion, and the radial dimension of second protrusion is less than The radial dimension of the third protrusion, the cam are hubbed at the ontology and are rotating at an orienting station, a moving position and a lock Positioning is set, which is slidedly arranged on the ontology along the axial direction and can not rotate relative to the pin, the brake component along the axial direction one Side is equipped with one first teeth portion, and the other side is equipped with an at least card convex, and one first elastic component is by the brake component normally towards the cam Direction is butted；

Wherein, when the cam turns to the orienting station, which is resisted against first protrusion and respectively the card convex is inserted in One groove, the pin can not be rotated relative to the wheel seat；When the cam turns to the moving position, which is resisted against Second protrusion and respectively the card convex is detached from the groove, which can rotate relative to the wheel seat；When the cam turns to the locking When position, which is resisted against the third protrusion, which is inserted in the respectively jack and the brake component drives the brake Sliding block is resisted against at least one wheel body, which can not rotate relative to the wheel seat and at least one wheel body can not also rotate.

2. castor according to claim 1, it is characterised in that: the locating part includes one group and connects section, a bending segment and one Section is limited, which connects section and be connected with group with the wheel seat, which is equipped with the respectively jack, which is located at the limit section direction The side of the cam.

3. castor according to claim 2, it is characterised in that: first teeth portion is circular tooth shape, the number of first teeth portion A tooth is to extend along the axial direction towards the direction of at least wheel body, respectively the jack radially arranged askew.

4. castor according to claim 3, it is characterised in that: the locating part is elastic bendable sheet body, when first tooth When portion supports the limit section, which is that can be pushed away by the direction of first teeth portion towards at least wheel body with replying with limit section To swing.

5. castor according to claim 1, it is characterised in that: the brake component is radially provided with a disk body, at least one card It is convexly equipped in the disk body and extends along the axial direction towards the direction of the cam, which is located on the disk body.

6. castor according to claim 1, it is characterised in that: the wheel seat is equipped with a ring wall, and a training is equipped in the ring wall Woods, the pin are inserted in the internal perisporium of the Bearing.

7. castor according to claim 1, it is characterised in that: the wheel seat includes a top plate and set on the top plate both ends Two side plates, at least one wheel body are hubbed at two side sheet room, which is connected to one of the top plate towards at least wheel body Side.

8. castor according to claim 1, it is characterised in that: the brake sliding block is equipped with a brake cambered surface, the brake arc The curvature in face is the outer peripheral surface of the corresponding at least wheel body, which is non-circular column.

9. castor according to claim 4, it is characterised in that: the brake component is radially provided with a disk body, at least one card It is convexly equipped in the disk body and extends along the axial direction towards the direction of the cam, which is located on the disk body；The wheel seat is equipped with one Ring wall, the ring wall is interior to be equipped with a Bearing, which is inserted in the internal perisporium of the Bearing；The wheel seat is including a top plate and is set to the top Two side plates of board ends, at least one wheel body are hubbed at two side sheet room, which is connected to the top plate should towards at least one The side of wheel body；The brake sliding block is equipped with a brake cambered surface, and the curvature of the brake cambered surface corresponds to the outer peripheral surface of at least wheel body, The brake component is non-circular column.

10. castor according to claim 9, it is characterised in that: one end of the brake component towards at least wheel body is set There is a pillar, which is equipped with a ring groove, the brake slide block set is set to the pillar, and a fastener is snapped in the ring groove with should Brake sliding block is limited between the pillar and disk body, fastener, and the brake sliding block and the pillar have slidable gap, this is very Vehicle sliding block is respectively equipped with one towards the both ends of two side plate and supports protrusion, two this support protrusion and be resisted against two side sheet room respectively.