CN207875277U - A kind of double brake castor - Google Patents
A kind of double brake castor Download PDFInfo
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- CN207875277U CN207875277U CN201820191047.4U CN201820191047U CN207875277U CN 207875277 U CN207875277 U CN 207875277U CN 201820191047 U CN201820191047 U CN 201820191047U CN 207875277 U CN207875277 U CN 207875277U
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- brake
- tripod
- wheel shaft
- brake block
- block
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Abstract
The utility model provides a kind of double brake castor, belongs to field of mechanical technique.It solves the problems, such as that existing castor braking is inconvenient.It includes tripod, tripod upper end is equipped with connecting shaft, it is equipped with wheel shaft on tripod and wheel shaft both ends are connected with wheel piece, limit has brake disc and is externally provided with limited cover in tripod upper end in tripod upper end, brake disc is circumferentially fixed with limited cover, connecting shaft sequentially passes through in limited cover and brake disc to tripod, brake block is socketed on wheel shaft, resetting spring is equipped between tripod inner wall and brake block upper surface, brake block upper surface is equipped with brake plate, brake block lower ending opening and in brake block be equipped with swing arm, the inner end of swing arm is socketed on wheel shaft and is equipped with cam part on the upside of swing arm inner end, the outer end of swing arm extends to outside tripod, it is respectively equipped with external toothing on the inside of two-wheeled piece, it is respectively equipped with the arc-shaped rack of protrusion in the lower end both sides of brake block, each arc-shaped rack is located at the lower section of corresponding external toothing.It, which has, brakes convenient, advantages of simple structure and simple.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of castor more particularly to a kind of double brake castor.
Background technology
With the continuous development of science and technology, more and more equipment need to carry out office or operation on the move, in order to balance
Multifunctionality, safety and the high usage of equipment, castor become an indispensable part.For being used in different industries
Mobile device, the function and type of castor also constantly changing, traditional castor only have the function of straight line traveling but
Universal rotational can not be carried out, but for such as medical health equipment field, only has the function of that traveling is to have no idea
What satisfaction used, therefore people increase universal rotating function in the traveling function on basis so that castor had met equipment both
Can straight ahead can be turned again by universal rotational.
Currently, the castor braking for having both traveling and universal rotating function is all implemented separately, both traveling function is logical
An arrestment mechanism is crossed to be braked, and universal rotating function is then braked by another arrestment mechanism, although energy in this way
Enough universal brakings for preferably realizing castor and braking of advancing, but it is cumbersome to operate, and to need user's operation every time
The braking of castor could be completely realized twice or releases braking.
Invention content
The purpose of this utility model is in view of the above-mentioned problems existing in the prior art, it is proposed that a kind of double brake castor, institute
Technical problems to be solved are conveniences when how to realize castor braking.
The purpose of this utility model can be realized by following technical proposal：
A kind of double brake castor, including tripod, the tripod upper end are equipped with the connecting shaft that can be rotated, are worn on tripod
There is wheel shaft and wheel shaft both ends extend to outside tripod both sides, the wheel piece that can be rotated is connected separately at wheel shaft both ends, which is characterized in that
Limit has brake disc and is externally provided with limited cover in tripod upper end in the tripod upper end, and the brake disc is circumferentially solid with limited cover
Fixed, connecting shaft sequentially passes through in limited cover and brake disc to tripod, and connecting shaft lower end axial limiting is in tripod and in connecting shaft
End is circumferentially fixed with limited cover, and the brake block that can be moved up and down, tripod inner wall and system are socketed on the wheel shaft in tripod
Resetting spring is equipped between motion block upper surface, brake block upper surface is equipped with the brake plate of protrusion and when brake block moves up when system
Movable plate upper end can block on the disc brake rotor, brake block lower ending opening and in brake block be equipped with swing arm, the inner end of swing arm is socketed in
The cam part that brake block moves up, swing arm can be pushed when swing arm outer end is depressed by being equipped on wheel shaft and on the upside of swing arm inner end
Outer end extend to outside tripod, be respectively equipped with external toothing on the inside of two-wheeled piece, the arc of protrusion be respectively equipped in the lower end both sides of brake block
Shape rack, the both sides of tripod are correspondingly provided with resigning breach respectively, each arc-shaped rack extend to corresponding resigning breach it is outer and positioned at pair
Answer the lower section of external toothing.
When needing braking, pushing the outer end of swing arm makes the cam part of swing arm inner end be swung up around wheel shaft, cam part meeting
The elastic force that brake block overcomes resetting spring is pushed to act on and move up.Brake plate positioned at brake block upper surface will move up simultaneously
On the brake tooth one of brake disc lower end, so brake disc just can not rotate, and since limited cover and brake disc are circumferentially solid
Fixed and connecting shaft and limited cover are circumferentially fixed, therefore connecting shaft just can not rotate, it is thus achieved that the universal braking of castor.Together
When, the arc-shaped rack outside the both sides of brake block lower end can also move up, and the tooth on arc-shaped rack can be stuck in corresponding external toothing
Tooth on, since external toothing is fixed on wheel on piece, two-wheeled piece is just blocked by corresponding arc-shaped rack and can not be rotated, thus
Realize the walking braking of castor.
When releasing braking, only need to be lifted up pedal makes the cam part of swing arm inner end be resetted downwards around wheel shaft, then losing
After having gone the constraint of cam part, brake block just moves down under the effect of the elastic force of resetting spring, and brake plate is detached with brake disc
And brake disc, limited cover and connecting shaft is made to be in rotatable state again, to relieve the universal braking of castor；Arc simultaneously
Rack can also be separated with corresponding external toothing and wheel piece is made to be in rotatable state again, to release the walking system of castor
It is dynamic.
Cooperation and arc of this double brake castor by brake plate and brake disc on the cooperation of brake block and swing arm, brake block
The cooperation of shape rack and external toothing, which realizes once-through operation, can achieve the purpose that universal braking and traveling braking, to very well
Ground improves convenience when castor braking.
In above-mentioned double brake castor, located cavity is equipped on the upside of the tripod, the brake disc is located at positioning
In cavity, the tripod bottom is equipped with installation cavity and brake block is located in installation cavity, is equipped in tripod by located cavity and peace
Behave affectedly the straight trough being connected, the brake disc lower face is circumferentially evenly equipped with several brake tooths one, brake plate be located in straight trough and
Brake plate upper end is equipped with several brake tooths two that can be caught in corresponding brake tooth one.
When swing arm driving brake block moves up, brake plate upper end is entered in located cavity through straight trough while brake plate
The brake tooth two of upper end is caught in the brake tooth one of brake disc lower face, and such brake disc will be stuck to realize castor
Universal braking.
In above-mentioned double brake castor, the brake disc upper end is equipped with the interconnecting piece one of protrusion, one upper end of interconnecting piece
Face is equipped with the connecting hole one for being through to brake disc lower face and has several tooth connections the upper surface of interconnecting piece one is circumferentially arranged
One, the lower end of limited cover is equipped with the interconnecting piece two of protrusion, and two lower face of interconnecting piece is equipped with and opens up to the connection of limited cover upper surface
Hole two and there is a number of identical as tooth connection one and one-to-one tooth connection the lower face of interconnecting piece two is circumferentially arranged
Two, connecting shaft passes through connecting hole one and connecting hole two, each tooth connection one to be embedded between two adjacent tooth connections two.
By between the connected each tooth connection two of the insertion of each tooth connection one so that form week between brake disc and limited cover
To fixation, when connecting shaft rotates, limited cover can be driven with the cooperation of each tooth connection two together with brake disc by each tooth connection one
Rotation, and brake disc can also pass through each tooth connection one and each tooth connection two when the brake plate for being braked block upper end in brake disc blocks
Cooperation limited cover and connecting shaft are blocked, to realize the universal braking of castor.
In above-mentioned double brake castor, the limited cover upper surface is equipped with the limiting section of protrusion, limiting section upper surface
Equipped with non-circular limit hole, connecting shaft upper end is equipped with limited block identical with limit hole shape, and limited block is located in limit hole.
Since limit hole is identical as limit hole for the shape of non-circular hole and limited block, then limited block is located in limit hole
After allow for foring between connecting shaft and limited cover it is circumferentially fixed, in conjunction with the cooperation of upper limit lid and brake disc so that system
Connecting shaft can not also be rotated when Moving plate is stuck.
In above-mentioned double brake castor, the two-wheeled piece center is equipped with mounting hole and is fixed with circle in mounting hole
The inner wall of plate, mounting hole is equipped with annular mounting groove, and the outer rim of plectane is stuck in annular mounting groove, and two plectane centers cover respectively
It is connected on the both ends of wheel shaft and the equal axial limiting of two plectanes is on wheel shaft.
Compared with prior art, this double brake castor passes through brake plate on the cooperation of brake block and swing arm, brake block and system
The cooperation of Moving plate and the cooperation of arc-shaped rack and external toothing, which realize one-off, can reach universal braking and traveling system
Dynamic purpose, to improve convenience when castor braking well.
Description of the drawings
Fig. 1 is the schematic diagram of this double brake castor.
Fig. 2 is the transverse sectional view of this double brake castor.
Fig. 3 is the longitudinal sectional view of this double brake castor.
Fig. 4 is the schematic diagram between brake block in this double brake castor, brake disc, swing arm and wheel piece.
Fig. 5 is the schematic diagram between brake disc, limited cover and connecting shaft in this double brake castor.
In figure, 1, tripod；1a, installation cavity；1b, straight trough；2, wheel shaft；3, connecting shaft；3a, limited block；4, brake disc；4a、
Brake tooth one；4b, interconnecting piece one；4b1, tooth connection one；5, limited cover；5a, interconnecting piece two；5a1, tooth connection two；5b, limit
Hole；6, brake block；6a, brake plate；6a1, brake tooth two；6b, arc-shaped rack；6c, plush copper；6d, strip-shaped hole；7, resetting spring；
8, swing arm；8a, cam part；9, pedal；10, piece is taken turns；10a, external toothing；11, plectane.
Specific implementation mode
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As depicted in figs. 1 and 2, a kind of double brake castor, including tripod 1 and the wheel piece 10 for being set to 1 both sides of tripod, and
The connecting shaft 3 for capableing of universal rotational is equipped in 1 upper end of tripod, each outside for taking turns piece 10 is connected separately with wheel cap.
As shown in figure 3,1 upper end of tripod is equipped with located cavity, it is equipped with brake disc 4 in located cavity, 1 upper end of tripod is externally provided with
Limited cover 5, brake disc 4 and limited cover 5 are circumferentially fixed, and are provided through location hole in the bottom of located cavity, connecting shaft 3
Lower end is threaded through in location hole and 3 lower end of connecting shaft forms axial limiting with location hole.The upper end of connecting shaft 3 sequentially passes through braking
Outside disk 4 and limited cover 5 to the upper end of tripod 1, and connecting shaft 3 and limited cover 5 are circumferentially fixed.
As shown in Figure 3 and Figure 5, in the present embodiment, the upper end of brake disc 4 is equipped with one 4b of interconnecting piece of protrusion, interconnecting piece
One upper surfaces 4b are equipped with the connecting hole one for being through to 4 lower face of brake disc and have the upper surface of one 4b of interconnecting piece is circumferentially arranged
One 4b1 of several tooth connections, the lower end of limited cover 5 are equipped with two 5a of interconnecting piece of protrusion, two lower faces 5a of interconnecting piece be equipped with open up to
The connecting hole two of 5 upper surface of limited cover and the lower face of two 5a of interconnecting piece it is circumferentially arranged have it is a number of with tooth connection one
4b1 is identical and one-to-one two 5a1 of tooth connection, one 4b1 of each tooth connection are embedded between adjacent two tooth connections, two 5a1 and make system
Moving plate 4 forms circumferentially fixed with limited cover 5.5 upper surface of limited cover is equipped with the limiting section of protrusion, and limiting section upper surface is equipped with not rounded
The limit hole 5b of shape, 3 upper end of connecting shaft are equipped with limited block 3a identical with limit hole 5b shapes, and limited block 3a is located at limit hole 5b
It is interior and make connecting shaft 3 and limited cover 5 it is circumferentially fixed.
As shown in Figure 3 and Figure 4,1 bottom of tripod is equipped with installation cavity 1a and is equipped in tripod 1 installation cavity 1a and positioning is recessed
Brake block 6 is equipped in the straight trough 1b that chamber is connected to vertically, installation cavity 1a, the upper surface of brake block 6 is equipped with the brake plate 6a of protrusion, system
Movable plate 6a is located in straight trough 1b.The lower face of brake disc 4 is set circumferentially arranged with one 4a of several brake tooths, the upper surface of brake plate 6a
There are several two 6a1 of brake tooth that can be stuck on one 4a of brake tooth.The upper surface of brake block 6 is additionally provided with plush copper 6c, on plush copper 6c
It is arranged with resetting spring 7, the roof of installation cavity 1a is equipped with the card slot with plush copper 6c faces, and one end of resetting spring 7 withstands on card
The roof of slot, the other end of resetting spring 7 withstand on the upper surface of brake block 6.
As shown in Figure 3 and Figure 4, the bottom opening of brake block 6, installation cavity 1a is interior to be equipped with swing arm 8, and the inner end of swing arm 8 is located at
In brake block 6, and the outer end self installation chamber 1a of swing arm 8 stretches out outside tripod 1 and is connected with pedal 9.Wheel shaft is equipped in installation cavity 1a
2,6 both sides of brake block are provided through strip-shaped hole 6d, and wheel shaft 2 passes through two strip-shaped hole 6d and 8 inner end of swing arm is socketed in wheel shaft 2
On, the cam part 8a that brake block 6 moves up can be pushed when stepping on pedal 9 by being equipped on the upside of 8 inner end of swing arm.
As shown in Fig. 2, the both ends of wheel shaft 2 extend to outside the both sides of tripod 1, and mounting hole is equipped at the center of two-wheeled piece 10
And plectane 11 is fixed in mounting hole, the inner wall of mounting hole is equipped with annular mounting groove, and the outer rim of plectane 11 is stuck in annular peace
In tankage, and two plectanes, 11 center be socketed in respectively wheel shaft 2 both ends and two plectanes, 11 equal axial limiting on wheel shaft 2.
As shown in figure 4, the inside of two-wheeled piece 10 is respectively equipped with external toothing 10a, and set respectively in the lower end both sides of brake block 6
There are the arc-shaped rack 6b of protrusion, the both sides of tripod 1 to be correspondingly provided with resigning breach respectively, each arc-shaped rack 6b extends to corresponding resigning
Notch is outer and positioned at the lower section of corresponding external toothing 10a.The both ends of arc-shaped rack 6b lean with the two side of corresponding resigning breach
And arc-shaped rack 6b can be moved up along resigning breach.
When needing braking, downward pedal 9 makes the cam part 8a of 8 inner end of swing arm be swung up around wheel shaft 2, cam part 8a
The elastic force that brake block 6 overcomes resetting spring 7 can be pushed to act on and move up.On the brake plate 6a of 6 upper surface of brake block
Two 6a1 of brake tooth can be embedded in 4 lower end of brake disc one 4a of brake tooth on, so brake disc 4 just can not rotate, and due to
Limited cover 5 is circumferentially fixed with brake disc 4 and connecting shaft 3 and limited cover 5 are circumferentially fixed, therefore connecting shaft 3 just can not rotate, thus
Realize the universal braking of castor.Meanwhile the arc-shaped rack 6b outside 6 lower end both sides of brake block can also be moved up, arc
Tooth on rack 6b can be stuck on the tooth of corresponding external toothing 10a, since external toothing 10a is fixed on wheel piece 10, two-wheeled piece
10 are just blocked by corresponding arc-shaped rack 6b and can not rotate, it is thus achieved that the walking braking of castor.
When releasing braking, need to only be lifted up pedal 9 makes the cam part 8a of 8 inner end of swing arm be resetted downwards around wheel shaft 2, that
After the constraint for losing cam part 8a, brake block 6 just the elastic force of resetting spring 7 effect under move down, brake plate 6a with
Brake disc 4 detaches and brake disc 4, limited cover 5 and connecting shaft 3 is made to be in rotatable state again, to relieve the ten thousand of castor
To braking；Arc-shaped rack 6b can also be separated with corresponding external toothing 10a and wheel piece 10 is made to be in rotatable state again simultaneously,
To release the walking braking of castor.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (5)
1. a kind of double brake castor, including tripod (1), the tripod (1) upper end is equipped with the connecting shaft (3) that can be rotated, foot
It is equipped with wheel shaft (2) on frame (1) and wheel shaft (2) both ends extend to outside tripod (1) both sides, energy is connected separately at wheel shaft (2) both ends
The wheel piece (10) enough rotated, which is characterized in that limit has brake disc (4) and in tripod (1) upper end in described tripod (1) upper end
Be externally provided with limited cover (5), the brake disc (4) and limited cover (5) are circumferentially fixed, connecting shaft (3) sequentially pass through limited cover (5) and
Brake disc (4) is in tripod (1), and connecting shaft (3) lower end axial limiting is in tripod (1) and connecting shaft (3) upper end and limited cover
(5) circumferentially fixed, it is socketed with the brake block (6) that can be moved up and down, tripod (1) inner wall on the wheel shaft (2) being located in tripod (1)
Resetting spring (7) is equipped between brake block (6) upper surface, brake block (6) upper surface is equipped with the brake plate (6a) of protrusion and works as
The upper end brake plate (6a) can be stuck in brake disc (4) when brake block (6) moves up, and brake block (6) lower ending opening and made
Swing arm (8) is equipped in motion block (6), the inner end of swing arm (8) is socketed on wheel shaft (2) and is equipped with when pendulum on the upside of swing arm (8) inner end
Arm (8) outer end can push the cam part (8a) that brake block (6) moves up, the outer end of swing arm (8) to extend to tripod (1) when depressing
Outside, it is respectively equipped with external toothing (10a) on the inside of two-wheeled piece (10), the arc of protrusion is respectively equipped in the lower end both sides of brake block (6)
The both sides of rack (6b), tripod (1) are correspondingly provided with resigning breach respectively, and each arc-shaped rack (6b) extends to outside corresponding resigning breach
And positioned at the lower section of corresponding external toothing (10a).
2. double brake castor according to claim 1, which is characterized in that located cavity is equipped on the upside of the tripod (1),
The brake disc (4) is located in located cavity, and the tripod (1) bottom is equipped with installation cavity (1a) and brake block (6) is located at
In installation cavity (1a), the straight trough (1b) that located cavity is connected with installation cavity (1a), the brake disc are equipped in tripod (1)
(4) lower face is circumferentially evenly equipped with several brake tooths one (4a), and brake plate (6a) is located in straight trough (1b) and the upper end brake plate (6a)
Equipped with several brake tooths two (6a1) that can be caught in corresponding brake tooth one (4a).
3. double brake castor according to claim 2, which is characterized in that described brake disc (4) upper end is equipped with protrusion
Interconnecting piece one (4b), the upper surface interconnecting piece one (4b) are equipped with and are through to the connecting hole one of brake disc (4) lower face and in interconnecting piece
The upper surface of one (4b) is circumferentially arranged to have several tooth connections one (4b1), the lower end of limited cover (5) to be equipped with the interconnecting piece two of protrusion
(5a), the lower face interconnecting piece two (5a) are equipped with and open up to the connecting hole two of limited cover (5) upper surface and in interconnecting piece two (5a)
Lower face is circumferentially arranged a number of identical as tooth connection one (4b1) and one-to-one tooth connection two (5a1), connecting shaft
(3) between connecting hole one and connecting hole two, the embedded two adjacent tooth connections two (5a1) of each tooth connection one (4b1).
4. double brake castor according to claim 3, which is characterized in that described limited cover (5) upper surface is equipped with protrusion
Limiting section, limiting section upper surface be equipped with non-circular limit hole (5b), connecting shaft (3) upper end be equipped with and limit hole (5b) shape
Identical limited block (3a), limited block (3a) are located in limit hole (5b).
5. double brake castor according to claim 1 or 2 or 3 or 4, which is characterized in that described two-wheeled piece (10) center
It is equipped with mounting hole and is fixed with plectane (11) in mounting hole, the inner wall of mounting hole is equipped with annular mounting groove, plectane (11)
Outer rim be stuck in annular mounting groove, and two plectanes (11) center be socketed in respectively wheel shaft (2) both ends and two plectanes (11) it is equal
Axial limiting is on wheel shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820191047.4U CN207875277U (en) | 2018-02-05 | 2018-02-05 | A kind of double brake castor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820191047.4U CN207875277U (en) | 2018-02-05 | 2018-02-05 | A kind of double brake castor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207875277U true CN207875277U (en) | 2018-09-18 |
Family
ID=63510784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820191047.4U Active CN207875277U (en) | 2018-02-05 | 2018-02-05 | A kind of double brake castor |
Country Status (1)
| Country | Link |
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| CN (1) | CN207875277U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340283A (en) * | 2018-10-30 | 2019-02-15 | 厚福医疗装备有限公司 | A kind of casters with a brake |
| CN113352816A (en) * | 2021-07-21 | 2021-09-07 | 中山市盈禾脚轮有限公司 | Universal braking double-brake trundle convenient for brake release |
-
2018
- 2018-02-05 CN CN201820191047.4U patent/CN207875277U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340283A (en) * | 2018-10-30 | 2019-02-15 | 厚福医疗装备有限公司 | A kind of casters with a brake |
| CN113352816A (en) * | 2021-07-21 | 2021-09-07 | 中山市盈禾脚轮有限公司 | Universal braking double-brake trundle convenient for brake release |
| CN113352816B (en) * | 2021-07-21 | 2022-11-25 | 中山市盈禾脚轮有限公司 | Universal braking double-brake caster capable of conveniently relieving braking |
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