CN208411311U - A kind of structure improved castor - Google Patents
A kind of structure improved castor Download PDFInfo
- Publication number
- CN208411311U CN208411311U CN201820963079.1U CN201820963079U CN208411311U CN 208411311 U CN208411311 U CN 208411311U CN 201820963079 U CN201820963079 U CN 201820963079U CN 208411311 U CN208411311 U CN 208411311U
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- CN
- China
- Prior art keywords
- brake
- pedal
- wheel carrier
- wheel
- structure improved
- 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.)
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Abstract
The utility model provides a kind of structure improved castor, belongs to field of mechanical technique.It solves the problems, such as existing Castor structure complexity and easy maloperation.This structure improved castor, including wheel carrier, wheel piece, brake elastic slice, brake pedal and unlock pedal, wheel carrier has the shaft being vertically arranged, locking structure is provided between brake pedal and unlock pedal, it is hinged on wheel carrier in the middle part of brake elastic slice, and the front end for the elastic slice that brakes has the positioning region for being positioned to shaft, the rear end for the elastic slice that brakes has the brake portion braked on the wheel face for being pressed on wheel piece.It can while be braked and be positioned to castor by trampling brake pedal, and structure is simple, easy to operate.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of castor, in particular to a kind of structure improved castor.
Background technique
Castor is a kind of mechanics device, such as dispensing car, instrument cab, food conveyor, wheelchair etc. for being installed on vehicle bottom,
Whether there is steering characteristic according to it, castor is divided into rigid castors and movable castor, and movable castor can be realized 360 ° of orientations, than
Rigid castors have more convenience, some movable castors are additionally added braking mechanism, may be implemented to orient after user's operation and stop
Vehicle lock function.Existing movable castor, which generally uses stampede operation and is resisted against by brake elastic slice deformation, determines castor
To and brake, but since the setting for trampling structure is unreasonable, brake pedal and unlock pedal are interfered with each other, inconvenient.
Summary of the invention
The purpose of this utility model is the presence of the above problem in view of the prior art, proposes a kind of structure improved foot
Wheel, it is operated more convenient the technical problem to be solved is that how to make the structure of castor more reasonable.
The purpose of this utility model can be realized by the following technical scheme: a kind of structure improved castor, including wheel carrier,
Taking turns piece, brake elastic slice, brake pedal and unlock pedal, the wheel carrier has the shaft being vertically arranged, which is characterized in that the brake
The front end of vehicle pedal is hinged on wheel carrier, and the front end of the unlock pedal is hinged on wheel carrier, and the middle part for unlocking pedal is set up
Above the front end of brake pedal, locking structure is provided between the brake pedal and unlock pedal, the brake elastic slice
Middle part is hinged on wheel carrier, and the front end for the elastic slice that brakes has a positioning region for being positioned to shaft, after the elastic slice that brakes
Holding has the brake portion braked on the wheel face for being pressed on wheel piece.
When trampling the rear end of brake pedal, the front end of brake pedal rotates around articulated shaft and tilts unlock pedal,
So that unlock pedal is more convenient when trampling and is easy to exert a force；Locking structure is used for brake pedal and unlocks pedal
Relative position is locked, that is, when trampling after brake pedal drives unlock pedal to shift, locking structure can guarantee brake pedal
It will not automatically reset with unlock pedal；When castor is not in braking state, locking structure enables to brake pedal and unlock
Pedal has certain rotary resistance, and brake pedal is avoided to occur accidentally to stop under the action of not stressing or being subjected only to power by a small margin
Vehicle operation.
In above-mentioned structure improved castor, the locking structure includes one He of locking teeth group on unlock pedal
Locking teeth group two on brake pedal, the locking teeth group two and locking teeth group one are meshed.
In above-mentioned structure improved castor, the locking teeth group one includes two locking teeths one, the locking teeth group
Two include two locking teeths two, and the tooth pitch between two locking teeths two is greater than the tooth pitch between two locking teeths one.
In above-mentioned structure improved castor, the brake pedal is located at the top of brake elastic slice, and the brake is stepped on
Plate has downwardly projecting briquetting.Briquetting is for forcing the rotation of brake elastic slice and deformation.
In above-mentioned structure improved castor, when the brake pedal is not in braking state, the bottom surface of brake pedal
It is flush with the top surface of unlock pedal.Maloperation can be effectively prevented from.
In above-mentioned structure improved castor, the articulated shaft of the brake pedal and wheel carrier is located at unlock pedal and wheel carrier
Articulated shaft the back lower place, it is described brake elastic slice and wheel carrier articulated shaft be located at brake pedal and wheel carrier articulated shaft it is front lower
Side.
In above-mentioned structure improved castor, the articulated shaft of the brake elastic slice and wheel carrier is located at unlock pedal and wheel carrier
Articulated shaft front lower place.
In above-mentioned structure improved castor, the shaft is interspersed in wheel carrier by bearing, the bottom end of the shaft
With the circular orientation edge extended downwardly, it is described positioning edge bottom surface have one circle positioning tooth, the positioning region be with it is above-mentioned fixed
The compatible strip positioning strip of position tooth.Trample brake pedal force brake elastic slice rotation and deform to wheel piece brake it is same
When, positioning region snap onto shaft bottom end positioning edge positioning tooth and in, thus realize entire castor direction positioning.
In the above-mentioned structure improved castor, the positioning strip is several, and centrally located positioning strip
Root position lags behind the root position of the positioning strip positioned at its side.
In above-mentioned structure improved castor, the wheel carrier has the backplate for being located at wheel piece two sides, is located at described
The connecting shaft both ends of wheel bobbin in the heart are connected on two backplates.
Compared with prior art, the utility model has the advantage that
1, this castor can while be braked and be positioned to castor by trampling brake pedal, and structure is simple, operation side
Just；
2, the setting of this Castor structure is rationally, easy to operate, and can be effectively prevented from maloperation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of this castor.
Fig. 2 is the non-braking state schematic diagram of this castor.
Fig. 3 is the braking state schematic diagram of this castor.
Fig. 4 is the top view of brake elastic slice in this castor.
In figure, 1, wheel carrier；2, piece is taken turns；3, brake elastic slice；31, positioning region；32, brake portion；33, reset portion；4, brake is stepped on
Plate；5, pedal is unlocked；6, shaft；7, locking teeth one；8, locking teeth two；9, briquetting；10, circular orientation edge；101, positioning tooth two；
11, backplate；12, bearing；13, connecting shaft；14, top cover；15, spring.
Specific embodiment
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.
- Fig. 3 referring to Fig.1, the present embodiment are a kind of structure improved castor, including wheel carrier 1, wheel piece 2, brake elastic slice 3, brake
Vehicle pedal 4 and unlock pedal 5, wheel carrier 1 have the backplate 11 for being located at wheel 2 two sides of piece, the connecting shaft on wheel 2 axle center of piece
13 both ends are connected on two backplates 11, and wheel carrier 1 has the shaft 6 being vertically arranged, and are provided with top cover 14 at the top of wheel carrier 1,
The top of shaft 6 has nut portion, and shaft 6 is interspersed on top cover 14, and nut portion is pressed on top cover 14, and the middle part of shaft 6 is logical
It crosses bearing 12 to be interspersed in wheel carrier 1, and the bottom end of shaft 6 has the circular orientation extended downwardly along 10, positions along 10 bottom surface
With a circle positioning tooth 101.
The front end of brake pedal 4 is hinged on wheel carrier 1, and the front end of unlock pedal 5 is hinged on wheel carrier 1, and unlocks pedal 5
Middle part be erected above the front end of brake pedal 4, be provided with locking structure between brake pedal 4 and unlock pedal 5, brake bullet
Piece 3 is located at the lower section of brake pedal 4, and brake pedal 4 has downwardly projecting briquetting 9.Specifically, brake pedal 4 and wheel carrier 1
Articulated shaft is located at the back lower place of the articulated shaft of unlock pedal 5 and wheel carrier 1, and the articulated shaft of brake elastic slice 3 and wheel carrier 1 is located at brake and steps on
The front lower place of the articulated shaft of plate 4 and wheel carrier 1, the articulated shaft of brake elastic slice 3 and wheel carrier 1 are located at the hinged of unlock pedal 5 and wheel carrier 1
The front lower place of axis.
It is hinged on wheel carrier 1 in conjunction with the middle part of Fig. 4, the elastic slice 3 that brakes, and the front end for the elastic slice 3 that brakes has for shaft 6
The positioning region 31 positioned, the rear end of brake elastic slice 3 have the brake portion braked on the wheel face for being pressed on wheel piece 2
32, the front of brake elastic slice 3 also has the reset portion 33 being upturned, and has spring 15 between 2 inner cavity of reset portion 33 and wheel carrier,
The bottom end of spring 15 is set in reset portion 33, and spring 15 is used for after trampling unlock pedal 5 to brake 3 further progress of elastic slice
It resets.Specifically, positioning region 31 is compatible with positioning tooth 101 strip positioning strip, positioning strip is several, and is located at
Between the root position of positioning strip of position lag behind the root position of the positioning strip positioned at its side, above-mentioned positioning strip setting can
The annular setting of cylindric 6 bottom end positioning tooth 101 of shaft is better adapted to, it is more preferable that card sets locating effect；Brake portion 32 be made as to
It is open afterwards, the wheel face of the opposite side portion of wheel piece 2 can be carried out compressing brake, it is less for the abrasion for taking turns piece 2.
Locking structure in the present embodiment includes the locking teeth group one on unlock pedal 5 and is located on brake pedal 4
Locking teeth group two, locking teeth group two and locking teeth group one be meshed, specifically, locking teeth group one includes two locking teeths 1,
Locking teeth group two includes two locking teeths 28, and the tooth pitch between two locking teeths 28 is greater than the tooth between two locking teeths 1
Away from.
The working principle of the present embodiment is as follows: when needing to brake, brake elastic slice 3 can be forced by trampling brake pedal 4
Rotation and deformation, so that the brake portion 32 of brake elastic slice 3 rotates down and compresses on the wheel face of wheel piece 2, positioning region 31 is upward
In the positioning tooth 101 for rotating and snapping onto shaft 6, while realizing the brake and positioning function of castor, after brake pedal 4 is stepped on,
The locking teeth 28 of brake pedal 4 drives the unlock pedal 5 with locking teeth 1 to rotate by engagement, simultaneously because being located above
Locking teeth 28 be resisted against always unlock pedal 5 bottom surface, brake pedal 4 rotate after drive unlock pedal 5 raise upward, and
Top surface beyond wheel carrier 1 so that it is subsequent unlock trample it is more convenient；When needing to unlock, unlock pedal 5 is trampled, brake is stepped on
Plate 4 drives brake elastic slice 3 to reset together after the locking for being detached from unlock pedal 5, so that positioning region 31 is detached from positioning tooth 1, stops
Vehicle portion 32 is detached from wheel piece 2, brake pedal and resets with unlock pedal 5, and castor can be freely rotated and move, the brake of this castor
When pedal 4 is not in braking state, the bottom surface of brake pedal 4 and the top surface of unlock pedal 5 are flush (as shown in Figure 2).
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 (10)
1. a kind of structure improved castor, including wheel carrier (1), wheel piece (2), brake elastic slice (3), brake pedal (4) and unlock are stepped on
Plate (5), the wheel carrier (1) have the shaft (6) being vertically arranged, which is characterized in that the front end of the brake pedal (4) is hinged on
On wheel carrier (1), the front end of unlock pedal (5) is hinged on wheel carrier (1), and is unlocked and be erected at brake in the middle part of pedal (5)
Above the front end of pedal (4), locking structure, the brake elastic slice are provided between the brake pedal (4) and unlock pedal (5)
(3) it is hinged in the middle part of on wheel carrier (1), and the front end of brake elastic slice (3) has the positioning region for being positioned to shaft (6)
(31), the rear end of brake elastic slice (3) has the brake portion (32) braked on the wheel face for being pressed on wheel piece (2).
2. structure improved castor according to claim 1, which is characterized in that the locking structure includes being located at unlock to step on
Locking teeth group one on plate (5) and the locking teeth group two on brake pedal (4), the locking teeth group two and locking teeth group one
It is meshed.
3. structure improved castor according to claim 2, which is characterized in that the locking teeth group one includes two lockings
Tooth one (7), the locking teeth group two include two locking teeths two (8), and the tooth pitch between two locking teeths two (8) is greater than two locks
Tooth pitch between fixed tooth one (7).
4. structure improved castor according to claim 3, which is characterized in that the brake pedal (4) is located at brake bullet
The top of piece (3), and the brake pedal (4) has downwardly projecting briquetting (9).
5. structure improved castor according to claim 1 or 2 or 3 or 4, which is characterized in that the brake pedal (4) is not
When in braking state, the bottom surface of brake pedal (4) and the top surface of unlock pedal (5) are flush.
6. structure improved castor according to claim 1, which is characterized in that the brake pedal (4) and wheel carrier (1)
Articulated shaft is located at the back lower place of the articulated shaft of unlock pedal (5) and wheel carrier (1), the hinged of elastic slice (3) and wheel carrier (1) of braking
Axle position is in the front lower place of brake pedal (4) and the articulated shaft of wheel carrier (1).
7. structure improved castor according to claim 6, which is characterized in that brake elastic slice (3) and wheel carrier (1)
Articulated shaft is located at the front lower place of the articulated shaft of unlock pedal (5) and wheel carrier (1).
8. structure improved castor according to claim 1, which is characterized in that the shaft (6) is worn by bearing (12)
It is inserted in wheel carrier (1), the bottom end of the shaft (6) has the circular orientation extended downwardly along (10), and the positioning is along (10)
Bottom surface has circle positioning tooth (101), and the positioning region (31) is compatible strip positioning with above-mentioned positioning tooth (101)
Item.
9. structure improved castor according to claim 8, which is characterized in that the positioning strip is several, and is located at
The root position of the positioning strip in middle position lags behind the root position of the positioning strip positioned at its side.
10. structure improved castor according to claim 1, which is characterized in that the wheel carrier (1), which has, is located at wheel
The backplate (11) of piece (2) two sides, connecting shaft (13) both ends being located on described wheel piece (2) axle center are connected to two backplates
(11) on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820963079.1U CN208411311U (en) | 2018-06-21 | 2018-06-21 | A kind of structure improved castor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820963079.1U CN208411311U (en) | 2018-06-21 | 2018-06-21 | A kind of structure improved castor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208411311U true CN208411311U (en) | 2019-01-22 |
Family
ID=65108563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820963079.1U Expired - Fee Related CN208411311U (en) | 2018-06-21 | 2018-06-21 | A kind of structure improved castor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208411311U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111746198A (en) * | 2019-03-27 | 2020-10-09 | 施耐宝公司 | Caster wheel |
-
2018
- 2018-06-21 CN CN201820963079.1U patent/CN208411311U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111746198A (en) * | 2019-03-27 | 2020-10-09 | 施耐宝公司 | Caster wheel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190122 Termination date: 20200621 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |