CN109340283A - A kind of casters with a brake - Google Patents
A kind of casters with a brake Download PDFInfo
- Publication number
- CN109340283A CN109340283A CN201811279117.2A CN201811279117A CN109340283A CN 109340283 A CN109340283 A CN 109340283A CN 201811279117 A CN201811279117 A CN 201811279117A CN 109340283 A CN109340283 A CN 109340283A
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- ontology
- castor
- brake
- hole
- groove
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- 235000004443 Ricinus communis Nutrition 0.000 claims abstract description 76
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 240000000528 Ricinus communis Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000001699 lower leg Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/14—Mechanical
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Invalid Beds And Related Equipment (AREA)
Abstract
The present invention relates to the field of medical instrument technology, providing a kind of casters with a brake and medical bed, the casters with a brake includes ontology, the first castor, the second castor, the first connecting shaft and floor push；The bottom of ontology offers the first groove；There is the first through hole through ontology two sides on ontology；The down either side of ontology is respectively connected with the first limit element；First castor and the second castor are separately mounted to the both ends of the first connecting shaft, and the first castor is provided with the first braking member close to the side of ontology, and the first braking member is matched with the first limit element to limit the operating of the first castor；Second castor is provided with the second braking member close to the side of ontology, and the second braking member is matched with the first limit element to limit the operating of the second castor.Casters with a brake mode of braking provided by the invention is reliable, safe, and the attrition of casters with a brake is small, extends the service life of the device.
Description
Technical field
The present invention relates to technical field of medical equipment, more particularly to a kind of casters with a brake.
Background technique
Currently, in order to enable hospital bed more safe ready in use, often installs casters with a brake on one's sick bed.
Casters with a brake in the prior art generally uses frictional casters with a brake, and frictional casters with a brake includes castor ontology, foot
Wheel ontology includes wheel carrier, spring, brake cushion block, horizontal axis and wheel piece, and spring and brake cushion block are arranged in the chamber of wheel carrier, are taking turns
Frame is equipped with the loading hole that communicates with chamber, horizontal axis is threaded through on brake cushion block and horizontal axis both ends be pierced by from loading hole after connect respectively
Cock wheel piece；Two sides are symmetrically arranged with block on wheel carrier below loading hole, are equipped with and block frictional fit on wheel piece or horizontal axis
Brake member.But as the attrition of brake member, braking effect decline therewith, the reliability and safety of hospital bed are reduced
Property.
Summary of the invention
(1) technical problems to be solved
The object of the present invention is to provide a kind of casters with a brake, with solve the prior art or casters with a brake in the related technology because
Using frictional brake modes, with the attrition of brake member, braking effect declines therewith, reliability and safety decline
Low technical problem.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of casters with a brake, including ontology, the first castor, crus secunda
Wheel, the first connecting shaft and floor push；The bottom of ontology offers the first groove；Have the through ontology two sides on ontology
One through-hole；The down either side of ontology is respectively connected with the first limit element；Floor push includes connected the first foot pedal and second
Foot pedal, the first foot pedal is horizontally disposed, and the second foot pedal is arranged vertically；And second has on foot pedal and runs through the second foot pedal
Second through-hole of two sides；Second foot pedal is mounted in the first groove, and the top of the second foot pedal and the first groove is recessed
Face contact is fallen into, the first connecting shaft passes through first through hole and the second through-hole, to connect ontology and floor push；First castor and second
Castor is separately mounted to the both ends of the first connecting shaft, and the first castor is provided with the first braking member close to the side of ontology, the
One braking member is matched with the first limit element to limit the operating of the first castor；Second castor is provided with close to the side of ontology
Second braking member, the second braking member are matched with the first limit element to limit the operating of the second castor.
Wherein, the first limit element is arc panel；The upper surface of arc panel is provided with engaging tooth；First braking member and
Two braking members are gear；The gear of engaging tooth on arc panel and the gear on the first braking member and the second braking member
Engagement, to lock the first castor and the second castor.
Wherein, which further includes the frame body of mask on the body；It is provided on frame body through frame body two
The third through-hole of side, the first connecting shaft passes through third through-hole, first through hole and the second through-hole, to connect ontology, floor push
And frame body.
Wherein, which further includes that brake is sat and the second connecting shaft；It is provided on brake mount through the upper of brake mount
The fourth hole on surface and lower surface；And the second groove, the shape of the second groove are equipped in brake mount at fourth hole
Match with the shape of ontology；Ontology is fastened in the second groove；Second connecting shaft is inserted into fourth hole, and the second connecting shaft
The end and ontology for protruding into fourth hole are rotatably connected, and the other end of the second connecting shaft with carrier for connecting.
Wherein, which further includes fixed toothholder, bearing cap and first bearing；Brake mount is located at the upper of fourth hole
Third groove is equipped at end, third groove is communicated with the second groove；Fixed toothholder is set in the second connecting shaft, and fixed toothholder
Bottom surface connect with the concave face of third groove；There is inclined surface between the bottom surface and side of fixed toothholder, have on inclined surface
First gear teeth；The top of ontology is opposite with the fixed inclined surface of toothholder；And second gear teeth are provided at the top of ontology, second gear teeth
Cooperate with first gear teeth to limit ontology rotation；First bearing is set in the second connecting shaft, and the bottom of first bearing and solid
The top of fixed tooth seat contacts；Bearing cap lid closes on the third groove of brake mount, and the lower surface of the inner ring of bearing cap and fixation
The upper surface of toothholder is connected together.
Wherein, which further includes elastic element；There is vertical fixing axle, close to second on brake mount on ontology
The 4th groove is offered near groove；4th groove and the second groove are arranged in parallel；Elastic element is set in fixing axle, and
The fixing axle having elastic component is arranged to be placed in the 4th groove.
Wherein, which further includes the first protection cap and the second protection cap；First protection cap and the first castor are separate
The side of ontology connects；Second protection cap is connect with the second castor far from the side of ontology.
Wherein, the diameter of first through hole and third through-hole is all larger than the diameter of the first connecting shaft.
Wherein, which further includes plain washer and axle sleeve；Axle sleeve is set in the second connecting shaft close to the end of carrier,
And axle sleeve is located at the top of bearing cap；Plain washer is arranged between bearing cap and axle sleeve.
The present invention also provides a kind of medical beds, including above-mentioned casters with a brake.
(3) beneficial effect
Casters with a brake provided by the invention is arranged on the first castor by the way that the first limit element is arranged on brake mount
First braking member, and the second braking member is set on the second castor, and passes through the first limit element and the first braking
Being used cooperatively for element and the second braking member, to lock the first castor and the second castor, realizes the brake of casters with a brake.
Medical bed provided by the invention has the beneficial effect of above-mentioned casters with a brake by the way that above-mentioned casters with a brake is arranged.
Detailed description of the invention
Fig. 1 is the overall structure diagram of one embodiment of casters with a brake provided by the invention；
Fig. 2 is the cross-sectional view of one embodiment of casters with a brake provided by the invention；
Fig. 3 is the explosive view of one embodiment of casters with a brake provided by the invention.
In figure, 1- ontology；The first connecting shaft of 2-；3- floor push；The first castor of 4-；5- frame body；The second connecting shaft of 6-；
7- fixes toothholder；8- elastic element；The first protection cap of 9-；10- first bearing；11- second bearing；12- 3rd bearing；13-
Two castors；14 second protection caps；15- bearing cap；16- plain washer；17- axle sleeve；18- brake mount.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Following instance
For illustrating the present invention, but it is not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As shown in Figure 1, Figure 2 and shown in Fig. 3, the present invention provides a kind of casters with a brake, including ontology 1, the first castor 4, crus secunda
The 13, first connecting shaft of wheel 2 and floor push 3；The bottom of ontology 1 offers the first groove；Have on ontology 1 and runs through 1 liang of ontology
The first through hole of side；The down either side of ontology 1 is respectively connected with the first limit element；Floor push 3 includes the first connected foot
Pedal and the second foot pedal, the first foot pedal is horizontally disposed, and the second foot pedal is arranged vertically；And second has on foot pedal and runs through
Second through-hole of the second foot pedal two sides；Second foot pedal is mounted in the first groove, and the top of the second foot pedal and the
The recess face contact of one groove, the first connecting shaft passes through first through hole and the second through-hole, to connect ontology 1 and floor push 3；The
One castor 4 and the second castor 13 are separately mounted to the both ends of the first connecting shaft, and the first castor 4 is arranged close to the side of ontology 1
There is the first braking member, the first braking member is matched with the first limit element to limit the operating of the first castor 4；Second castor 13
Side close to ontology 1 is provided with the second braking member, and the second braking member is matched with the first limit element to limit second
Castor 13 operates.
Specifically, for example, the size of the first castor 4 and the second castor 13 can be set to five cun；For example, the second foot pedal
It can be set pairs of hook type, the first foot pedal is then horizontally set on the top of the one end to the second foot pedal of hook type；For example, opening
The shape for the first groove being located in ontology 1 can be opened up according to the true form of the second foot pedal, so that the two
Fiting effect is more preferable；For example, can be set one with the place of the recess face contact of the first groove in the top of the second foot pedal
A protrusion；It the position of the second through-hole opened up on second foot pedal should be opposite with the position of first through hole opened up on ontology 1
It answers, the shape of first through hole and the second through-hole should be consistent with the shape of the first connecting shaft 2, to facilitate 2 energy of the first connecting shaft
It successfully penetrates first through hole and floor push 3 and ontology 1 links together with the second through-hole；First castor 4 can pass through
Two bearings 11 are mounted on one end of the first connecting shaft 2, and the second castor 13 can be mounted on the first connecting shaft 2 by 3rd bearing 12
The other end；For example, first braking member can be set close to the side of ontology 1 in the first castor 4, it can be in the second castor 13
Close to the side of ontology 1, the second braking member is set；For example, one first limit can be respectively provided in the bottom of the two sides of ontology 1
Bit unit, the height of two the first limit elements are below the height of the first braking member and the second braking member, thus may be used
So that the first limit element also can follow ontology 1 to move up when ontology 1 moves up, the first limit of the left and right sides
Element can be docked with the first braking member and the second braking member being located above the first limit element, by the first castor
4 and second castor 13 lock.
When needing to brake, the first foot pedal is stepped on downwards, at this point, the second foot pedal is rotated around the first connecting shaft 2,
It is moved upwards at the top of second foot pedal, by the whole jack-up upwards of the ontology 1 being in contact with it, first be now placed on ontology 1
Limit element can also move upwards, and dock with the first braking member and the second braking member, by the first castor 4 and the second castor 13
It locks.When needing normal walking, the foot stepped down on the first foot pedal is lifted, ontology 1 moves downward under the effect of gravity, the
One limit element is separated with the first braking member and the second braking member, unlocks the first castor 4 and the second castor 13, and first is foot-operated
Plate is also restored to original state under the downward active force of ontology 1.
Casters with a brake provided by the invention is arranged on the first castor 4 by the way that the first limit element is arranged on ontology 1
First braking member, and the second braking member is set on the second castor 13, and passes through the first limit element and the first system
Being used cooperatively for dynamic element and the second braking member, to lock the first castor 4 and the second castor 13, realizes the brake of casters with a brake
Braking.
Further, the first limit element is arc panel；The upper surface of arc panel is provided with engaging tooth；First braking member
It is gear with the second braking member；Engaging tooth on arc panel and the gear on the first braking member and the second braking member
Gear engagement, to lock the first castor 4 and the second castor 13.Specifically, for example, the first braking member and the second braking member are equal
For gear, gear can be complete gear, be also possible to half block gear；For example, gear band is with teeth when for half block gear
Side is arranged down；For example, the gear can be welded on the first castor 4 and on the second castor 13；When braking state, tooth
The engaging tooth on tooth and arc panel on wheel is in meshing state, when un-brake state, the tooth separation of engagement, and the first castor 4 and the
Two castors 13 affranchise state.So set, to brake between arc panel and gear using gear teeth meshing formula, skid resistance
Greater than frictional skid resistance, braking effect is good；And the attrition degree of arc panel and gear is also relatively small, extends
The service life of casters with a brake.
Further, which further includes frame body 5 of the mask on ontology 1；It is provided on frame body 5 through frame
The third through-hole of 5 two sides of frame body, the first connecting shaft 2 pass through third through-hole, first through hole and the second through-hole, with connect ontology 1,
Floor push 3 and frame body 5.Further, the diameter of first through hole and third through-hole is all larger than the diameter of the first connecting shaft 2.
Specifically, for example, the shape of frame body 5 can be designed according to the shape of ontology 1 and floor push 3, the size of frame body 5 can
To be chosen according to the size of the first castor 4 and the second castor 13.For example, the diameter of first through hole and the diameter of third through-hole are equal
Greater than the diameter of the first connecting shaft 2.So set, improving the reliability of the device.
Further, which further includes brake seat 18 and the second connecting shaft 6；It is provided on brake mount 18 through brake
The fourth hole of the upper and lower surfaces of vehicle seat 18；And the second groove is equipped in brake mount 18 at fourth hole, the
The shape of two grooves and the shape of ontology 1 match；Ontology 1 is fastened in the second groove；Second connecting shaft 6 is inserted into fourth hole
It is interior, and the second connecting shaft 6 protrudes into the end of fourth hole and ontology 1 is rotatably connected, the other end of the second connecting shaft 6 be used for
Carrier connection.The casters with a brake further includes fixed toothholder 7, bearing cap 15 and first bearing 10；Brake mount 18 is located at fourth hole
Upper end at be equipped with third groove, third groove communicates with the second groove；Fixed toothholder 7 is set in the second connecting shaft 6, and solid
The bottom surface of fixed tooth seat 7 is connect with the concave face of third groove；There is inclined surface, inclination between the bottom surface and side of fixed toothholder 7
There are first gear teeth on face；The top of ontology 1 is opposite with the fixed inclined surface of toothholder 7；And the top of ontology 1 is provided with the second wheel
Tooth, second gear teeth and first gear teeth cooperate to limit the rotation of ontology 1；First bearing 10 is set in the second connecting shaft 6, and first
The bottom of bearing 10 is contacted with the top of fixed toothholder 7；The lid of bearing cap 15 closes on the third groove of brake mount 18, and bearing cap
The lower surface of 15 inner ring and the upper surface of fixed toothholder 7 are connected together.
Specifically, for example, casters with a brake can be mounted on to the bottom of carrier by the second connecting shaft 6, wherein braking
The top of seat 18 opens up a fourth hole far from one end of the first foot pedal, and the second connecting shaft 6 is plugged in the fourth hole,
The bottom of second connecting shaft 6 is rotatably connected with ontology 1, for example, the position that ontology 1 is connect with the bottom of the second connecting shaft 6 is set
Set a column spinner, in the rotating hole of the rotatable bottom for being plugged on the second connecting shaft 6 of the column spinner, the second connecting shaft 6
Top can use with carrier and be threadedly coupled.For example, third groove includes by the widened wall edge of the inner wall of fourth hole and bottom
Concave face；Fixed toothholder 7, first bearing 10 and bearing cap 15 are then sequentially sleeved in the second connecting shaft 6, fixed toothholder 7
Bottom surface is connect with the bottom of the concave face of third groove.The lower surface of the inner ring of bearing cap 15 can be set to concaveconvex structure, Gu
The upper surface of fixed tooth seat 7 can be set to concaveconvex structure, so that bearing cap 15 is engaged with fixed toothholder 7.First bearing 10
Inner ring can be interference fitted with the junction of bearing cap 15 and fixed toothholder 7, and the outer ring of first bearing 10 can be recessed with third
Wall along interference fit；For example, between the inner ring of the bottom of bearing cap 15 and the side wall of bearing cap 15, there are gaps, work as bearing cap
15 when being set in the second connecting shaft 6, and there are gaps between the side wall of bearing cap 15 and the outer wall of third recess, so that brake
Seat 18 can be rotated relative to bearing cap 15, not limited by bearing cap 15.Third groove is communicated with the second groove, for example, in ontology 1
With the root post being vertically arranged, the upper surface of column is provided with second gear teeth, the end of the column in the second groove
It penetrates in third groove, the second gear teeth then inclination with fixed toothholder 7 when ontology 1 is whole to be moved upwards, on column
The first gear teeth meshing on face, ontology 1 and brake mount 18 are lockable, and casters with a brake is also at locking-in state at this time, cannot be around
The bottom of second connecting shaft 6 and the outer ring rotating of first bearing 10；When first gear teeth are separated with second gear teeth, brake mount 18 and
Ontology 1 can be around the bottom of the second connecting shaft 6 and the outer ring rotating of first bearing 10.So set, making at the casters with a brake
When braking state, can neither forward-reverse, can not left and right turn.
Further, which further includes elastic element 8；There is vertical fixing axle, on brake mount 18 on ontology 1
The 4th groove is offered near the second groove；4th groove and the second groove are arranged in parallel；Elastic element 8 is set in solid
On dead axle, and it is arranged the fixing axle having elastic component and is placed in the 4th groove.Specifically, which can be spring,
Spring is set in fixing axle, and the bottom end of spring and ontology 1 are contradicted and connected, and the top of spring and the 4th groove are contradicted and connected；When
When trampling floor push 3, ontology 1 can be jacked up by floor push 3, and at this moment spring stress compresses, and the elastic force of spring can react on
Ontology 1, so that the contact process of first gear teeth and second gear teeth is gentler, but also the engagement process of gear and arc panel is more
Add gentle；When unclamping floor push 3, for spring during restoring deformation, the elastic force of spring additionally aids the first of engagement
The gear teeth and second gear teeth, arc panel with gear separate.
Further, which further includes the first protection cap 9 and the second protection cap 14；First protection cap 9 and first
Castor 4 is connected far from the side of ontology 1；Second protection cap 14 is connect with the second castor 13 far from the side of ontology 1.Specifically,
First protection cap 9 can be to be threadedly coupled with the connection type of the first castor 4, or buckle-type connection is helping in this way
In installation and replacement to the first protection cap 9；Second protection cap 14 is similar with the mounting means of the first protection cap 9, herein no longer
It repeats.So set, can prevent dust or other foreign matter from entering the first castor 4 and the second castor 13, casters with a brake is influenced
Normal use.
Further, which further includes plain washer 16 and axle sleeve 17；It is close that axle sleeve 17 is set in the second connecting shaft 6
The end of carrier, and axle sleeve 17 is located at the top of bearing cap 15；Plain washer 16 is arranged between bearing cap 15 and axle sleeve 17.Specifically
Ground, can be in the place setting axle sleeve 17 that the second connecting shaft 6 be connect with carrier, and the junction of axle sleeve 17 and bearing cap 15 then can be with
One plain washer 16 is installed, to play the role of sealing.So set, can be exposed outside to avoid the second connecting shaft 6, by corruption
Erosion, improves the reliability of the device.
The present invention also provides a kind of medical beds, including above-mentioned casters with a brake.It specifically, for example, can be by the casters with a brake
Four angles of the bottom of medical bed are mounted on by the second connecting shaft 6.
As can be seen from the above embodiments, casters with a brake provided by the invention, brake modes are reliable, safe, and the brake
To the mill of the first limit element, the first braking member, the second braking member, first gear teeth and second gear teeth when mode to brake
It is low to damage consumption degree, extends the service life of the casters with a brake；In addition, the first castor 4 and the second castor 13 are in brake shape
When state, can neither advance can not be turned to, and braking effect is more preferable.
Medical bed provided by the invention, reliability and security is improved after being mounted with the casters with a brake.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of casters with a brake, which is characterized in that opened including ontology, the first castor, the second castor, the first connecting shaft with foot-operated
It closes；
The bottom of the ontology offers the first groove；There is the first through hole through the ontology two sides on the ontology；
The down either side of the ontology is respectively connected with the first limit element；
The floor push includes connected the first foot pedal and the second foot pedal, and first foot pedal is horizontally disposed, described
Second foot pedal is arranged vertically；And there is the second through-hole for running through second foot pedal two sides on second foot pedal；
Second foot pedal is mounted in first groove, and the top of second foot pedal and first groove
Be recessed face contact, first connecting shaft pass through the first through hole and second through-hole, with connect the ontology with it is described
Floor push；
First castor and second castor are separately mounted to the both ends of first connecting shaft, and first castor leans on
The side of the nearly ontology is provided with the first braking member, first braking member matched with first limit element with
Limit the first castor operating；
Second castor is provided with the second braking member close to the side of the ontology, second braking member and described the
One limit element is matched to limit the second castor operating.
2. casters with a brake according to claim 1, which is characterized in that first limit element is arc panel；
The upper surface of the arc panel is provided with engaging tooth；First braking member and second braking member are tooth
Wheel；
The gear of engaging tooth and gear and second braking member on first braking member on the arc panel is nibbled
It closes, to lock first castor and second castor.
3. casters with a brake according to claim 1, which is characterized in that further include the frame body of mask on the body；
The third through-hole through the frame body two sides is provided on the frame body,
First connecting shaft pass through the third through-hole, the first through hole and second through-hole, with connect the ontology,
The floor push and the frame body.
4. casters with a brake according to claim 3, which is characterized in that further include that brake is sat and the second connecting shaft；
The fourth hole of the upper and lower surfaces through the brake mount is provided on the brake mount；And the brake mount
The second groove is equipped at the interior close fourth hole, the shape of second groove and the shape of the ontology match；Institute
Ontology is stated to be fastened in second groove；
Second connecting shaft is inserted into the fourth hole, and second connecting shaft protrude into the end of the fourth hole with
The ontology is rotatably connected, and the other end of second connecting shaft with carrier for connecting.
5. casters with a brake according to claim 4, which is characterized in that further include fixed toothholder, bearing cap and first bearing；
The brake mount, which is located at the upper end of the fourth hole, is equipped with third groove, the third groove and second groove
It communicates；
The fixed toothholder is set in second connecting shaft, and the bottom surface of the fixed toothholder and the third groove is recessed
The face of falling into connection；
There is inclined surface between the bottom surface and side of the fixed toothholder, there are first gear teeth on the inclined surface；
The top of the ontology is opposite with the inclined surface of the fixed toothholder；And second gear teeth are provided at the top of the ontology,
Second gear teeth and first gear teeth cooperate to limit the ontology and rotate；
The first bearing is set in second connecting shaft, and the top of the bottom of the first bearing and the fixed toothholder
Portion's contact；The bearing cap lid closes on the third groove of the brake mount, and the lower surface of the inner ring of the bearing cap and institute
The upper surface for stating fixed toothholder is connected together.
6. casters with a brake according to claim 5, which is characterized in that further include elastic element；
There is vertical fixing axle, it is recessed to offer the 4th near second groove on the brake mount on the ontology
Slot；4th groove and second groove are arranged in parallel；
The elastic element is set in the fixing axle, and the fixing axle for being arranged with the elastic element is placed on the described 4th
In groove.
7. casters with a brake according to claim 1, which is characterized in that further include the first protection cap and the second protection cap；
First protection cap is connect with first castor far from the side of the ontology；
Second protection cap is connect with second castor far from the side of the ontology.
8. casters with a brake according to claim 1, which is characterized in that the diameter of the first through hole and third through-hole is big
In the diameter of first connecting shaft.
9. casters with a brake according to claim 5, which is characterized in that further include plain washer and axle sleeve；
The axle sleeve is set in second connecting shaft close to the end of carrier, and the axle sleeve is located at the upper of the bearing cap
Side；The plain washer is arranged between the bearing cap and the axle sleeve.
10. a kind of medical bed, which is characterized in that including the described in any item casters with a brake of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811279117.2A CN109340283A (en) | 2018-10-30 | 2018-10-30 | A kind of casters with a brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811279117.2A CN109340283A (en) | 2018-10-30 | 2018-10-30 | A kind of casters with a brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109340283A true CN109340283A (en) | 2019-02-15 |
Family
ID=65312596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811279117.2A Pending CN109340283A (en) | 2018-10-30 | 2018-10-30 | A kind of casters with a brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109340283A (en) |
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Application publication date: 20190215 |
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