CN207416438U - A kind of self-locking trundle - Google Patents
A kind of self-locking trundle Download PDFInfo
- Publication number
- CN207416438U CN207416438U CN201721069291.5U CN201721069291U CN207416438U CN 207416438 U CN207416438 U CN 207416438U CN 201721069291 U CN201721069291 U CN 201721069291U CN 207416438 U CN207416438 U CN 207416438U
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- Prior art keywords
- wheel
- plate
- self
- locking
- brake
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- 238000005516 engineering process Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 235000004443 Ricinus communis Nutrition 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
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Abstract
The utility model discloses a kind of self-locking trundles, are related to castor technical field, braked wheel including gate-type wheel carrier and on wheel carrier and with braked wheel cooperation for the brake plate and control wheel of castor self-locking；Technology groove is offered in braked wheel, locking groove is evenly equipped in technology groove, the brake block with locking groove cooperation is provided on brake plate, the brake plate, which controllably moves up and down, makes locking groove and brake block realize separation and engaging, so as to fulfill the unlocking and braking of castor.The convenient and efficient, safe operation of the utility model braking is reliable, good braking effect, and it is simple and light, manufacture is at low cost.
Description
Technical field
The utility model is related to castor technical fields, and in particular to a kind of novel self-lock castor.
Background technology
Castor is a kind of common mechanical five metals accessory, is widely used in furniture, cart, machining equipment, Medical treatment device
The bottom of tool facilitates and promotes object movement.For ease of use with the needs that meet various actual conditions, castor generally all has
Self-locking device.At present, most of castor in the market uses foot-operated brake, and user needs to go to trample with foot when needing and stopping
Brake could realize braking, and when promotion also needs to remove to trample the ability releasing of brake that brakes with foot, and the mode of this brake is more numerous
It is trivial and inconvenient to use.Furthermore on acclive road surface in use, with footbrake when needs larger power, effect compared with
Difference, and slipped after easily occurring, security is poor.
Utility model content
In view of the problems of the existing technology, the utility model aim is to provide a kind of self-locking trundle, and braking is convenient
Fast, braking effect is good, and it is simple and light, manufacture it is at low cost.
The technical scheme adopted by the utility model is that：A kind of self-locking trundle, including：
Wheel carrier：The wheel carrier includes installing plate and the vertical down-set left axle clamping plate in the installing plate both ends and right axis
Correspondence offers axis hole respectively for plate, the left axle clamping plate and right axle clamping plate, and wheel shaft is equipped in the axis hole；The right axle clamping plate
Positioning recess is offered inwardly；
Braked wheel：The braked wheel is installed through by wheel shaft in the wheel carrier；The braked wheel right side is inwardly
Technology groove is offered, the technology groove excircle has been uniformly arranged several locking grooves；
Brake plate：The brake plate is mounted between the braked wheel and the right axle clamping plate, and the brake plate center is set
The waist typed through hole with wheel shaft cooperation is equipped with, upper end sets the locating slot with positioning recess cooperation, and brake plate passes through
Waist typed through hole can move up and down with respect to wheel shaft；The brake plate lower end is provided with brake block, the braking towards braked wheel protrusion
Braking action from block is moved downward when coordinating with the locking groove, the waist typed through hole lower end are also connected with offering mounting groove, institute
It states and resetting spring is provided on mounting groove；
Control wheel：The control wheel is nested to be mounted on the brake plate, and the brake plate is controlled to move up and down.
As being further improved for above-mentioned technical proposal, the control wheel center offers mounting hole, outside the mounting hole
It offers sliding slot week, the annular groove with sliding slot cooperation is offered on the brake plate excircle, the control wheel is slidably
Ground is around wheel shaft central rotation.
As being further improved for above-mentioned technical proposal, the control wheel diameter is equal to or less than the end face of the braked wheel
Maximum gauge.
Preferably, anti-friction ring is provided on the position that the sliding slot and annular groove cooperation are slided.
As being further improved for above-mentioned technical proposal, the brake plate on the connecting end surface of the control wheel with setting
Having prevents the locking plate of axial float.
As being further improved for above-mentioned technical proposal, the brake plate and the control wheel made by plastic material and
Into.
As being further improved for above-mentioned technical proposal, one system of the installing plate, the left axle clamping plate and right axle clamping plate
Cause type.
As being further improved for above-mentioned technical proposal, the positioning recess is made up of the right axle clamping plate of punching press.
As being further improved for above-mentioned technical proposal, universal shaft mounting base is provided on the wheel carrier.
As being further improved for above-mentioned technical proposal, the brake plate and the integrally manufactured shaping of the control wheel.
The beneficial effects of the utility model are：Compared with prior art, a kind of self-locking trundle provided by the utility model,
It is simple and light, manufacture it is at low cost；Using the combination for the brake plate and braked wheel that can be moved up and down, braked wheel locking groove is utilized
Cooperation with brake plate brake block generates brake force, the unlocking of locking groove and brake block separation realization castor when pressing down on, and
It only needs to stop pressing the braking that can quickly realize castor under the action of resetting spring, brakes convenient and efficient, safe operation
Reliably and braking effect is good.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, and the accompanying drawings in the following description is some embodiments of the utility model, general for this field
For logical technical staff, without creative efforts, other attached drawings are can also be obtained according to these attached drawings.
The utility model is further described with reference to the accompanying drawings and examples.
Fig. 1 is a kind of structure front view of self-locking trundle embodiment of the utility model.
Fig. 2 is the partial sectional view under Fig. 1 unlocking conditions.
Fig. 3 is the partial sectional view under Fig. 1 on-positions.
Fig. 4 is the structure right view of Fig. 3.
Fig. 5 is brake plate and the structure front view of control wheel combination in Fig. 1.
Fig. 6 is the structure rearview of Fig. 5.
Fig. 7 is the cross-sectional view of the structure of Fig. 5.
Fig. 8 is the structure chart of braked wheel in Fig. 1.
Drawing reference numeral explanation：1st, wheel carrier；11st, installing plate；12nd, left axle clamping plate；13rd, right axle clamping plate；131st, positioning recess；
14th, axis hole；15th, universal shaft mounting base；10th, wheel shaft；2nd, braked wheel；21st, technology groove；211st, locking groove；3rd, brake plate；31st, waist
Type through hole；311st, mounting groove；312nd, resetting spring；32nd, locating slot；33rd, brake block；34th, annular groove；341st, anti-friction ring；35、
Locking plate；4th, control wheel；41st, mounting hole；411st, sliding slot.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that described embodiment is the implementation of the utility model part of the embodiment rather than whole
Example.Based on the embodiment in the utility model, those of ordinary skill in the art are obtained without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Fig. 1 is the structure chart of preferred embodiment provided by the utility model, referring to figs. 1 to shown in Fig. 8, the present embodiment bag
Include wheel carrier 1, braked wheel 2, brake plate 3 and control wheel 4；Wheel carrier 1 includes installing plate 11 and 11 both ends of right angle setting plate are down-set
Left axle clamping plate 12 and right axle clamping plate 13, it is preferred that above-mentioned three in one is manufactured as portal framed structure；Left axle clamping plate 12
Correspondence offers axis hole 14 respectively with right axle clamping plate 13, and wheel shaft 10 is equipped in axis hole 14；Braked wheel 2 is by wheel shaft 10 through peace
In wheel carrier 1, right axle clamping plate 13 offers positioning recess 131 inwardly, it is preferred that positioning recess 131 passes through right axle clamping plate
13 punching presses are made；2 right side of braked wheel offers technology groove 21 inwardly, and 21 excircle of technology groove, which has been uniformly arranged several, to be stopped
Dynamic slot 211；Brake plate 3 is mounted between braked wheel 2 and right axle clamping plate 13, and brake plate 3 is provided centrally with what is coordinated with wheel shaft 10
Waist typed through hole 31, upper end sets the locating slot 32 coordinated with positioning recess 131, for limiting the rotation of brake plate 3, brake plate
3 can be moved up and down by waist typed through hole 31 with respect to wheel shaft 10；3 lower end of brake plate is provided with brake block towards the protrusion of braked wheel 2
33, braking action from brake block 33 is moved downward when coordinating with locking groove 211,31 lower end of waist typed through hole is also connected with offering installation
Slot 311 is provided with resetting spring 312 on mounting groove 311；Control wheel 4 is nested to be mounted on brake plate 3, is controlled on brake plate 3
Lower movement.
Fig. 2 is the partial sectional view under the present embodiment unlocking condition, and Fig. 3 is the broken section under the present embodiment on-position
Figure, Fig. 4 is the partial sectional view of right view under the present embodiment on-position.The present embodiment is using the brake plate 3 that can be moved up and down
The unlocking and braking of castor are realized in combination with braked wheel 4.Brake force is generated using the cooperation of locking groove 211 and brake block 33,
Breaker slot 211 and brake block 33 are in fastening state, castor braking under normal condition；When pressing down on control wheel 4, resetting spring
312 are compressed, and brake plate 3 moves upwards, and are separated locking groove 211 and brake block 33, are realized the unlocking of castor, such as Fig. 2 institutes
Show；And under the action of resetting spring, it is only necessary to stop pressing or lifting control wheel 4, brake plate 3 can be moved downward, made upwards
Breaker slot 211 and brake block 33 engage, the quick braking for realizing castor, as shown in Figure 3 and Figure 4.
Preferably, in the present embodiment as shown in fig. 7,4 center of control wheel offers mounting hole 41, and 41 periphery of mounting hole is opened
Equipped with sliding slot 411, the annular groove 34 coordinated with sliding slot 411 is offered on 3 excircle of brake plate, control wheel 4 is slideably around wheel
10 central rotation of axis；Anti-friction ring 341 is provided on the position that sliding slot 411 and the cooperation of annular groove 34 are slided；Brake plate 3 with control
Being provided on the connecting end surface of ratch 4 prevents the locking plate 35 of axial float；The design further reduces control wheel 4 and braking
The frictional force that plate 3 is slidably matched.
Further, 4 diameter of control wheel be equal to or less than braked wheel 2 end face maximum gauge, with facilitate to control wheel 4 into
Row lifting or the action pushed.Brake plate 3 and control wheel 4 are made by plastic material, are the materials such as high molecular polythene.It is excellent
Choosing, universal shaft mounting base 15 is additionally provided on wheel carrier 1.
As further embodiment, brake plate 3 and control wheel 4 integrally manufactured can be molded, and manufacture cost is lower.
Using a kind of self-locking trundle of technical solutions of the utility model, only with the brake plate 3 and braking that can be moved up and down
The combination of wheel 2 can be realized braking, it is simple and light, manufacture it is at low cost；It is produced using the cooperation of locking groove 211 and brake block 33
Raw brake force, the unlocking of locking groove 211 and the separation realization castor of brake block 33 when pressing down on, and in the work of resetting spring 312
It needing to stop pressing with lower or lifting can quickly realize the braking of castor upwards, braking is convenient and efficient, safe operation is reliable,
And braking effect is good.
More than concrete structure is that the preferred embodiment to the utility model has carried out specific description, but is not thereby limited
The embodiment and protection domain of the utility model, those skilled in the art are without prejudice to before the utility model spirit
A variety of equivalent variations can also be made either these equivalent deformations of replacement or replacement are all contained in the application right by putting
It is required that in limited range.
Claims (10)
1. a kind of self-locking trundle, which is characterized in that including：
Wheel carrier (1)：The wheel carrier (1) includes the down-set left axis of installing plate (11) and vertical installing plate (11) both ends
Correspondence offers axis hole (14), institute respectively for plate (12) and right axle clamping plate (13), the left axle clamping plate (12) and right axle clamping plate (13)
It states in axis hole (14) and wheel shaft (10) is installed；The right axle clamping plate (13) offers positioning recess (131) inwardly；
Braked wheel (2)：The braked wheel (2) is installed through by wheel shaft (10) in the wheel carrier (1)；The braked wheel (2)
Right side offers technology groove (21) inwardly, and technology groove (21) excircle has been uniformly arranged several locking grooves (211)；
Brake plate (3)：The brake plate (3) is mounted between the braked wheel (2) and the right axle clamping plate (13), the braking
Plate (3) is provided centrally with the waist typed through hole (31) with the wheel shaft (10) cooperation, and upper end has been set and the positioning recess (131)
The locating slot (32) of cooperation, brake plate (3) can opposite wheel shaft (10) up and down motions by waist typed through hole (31)；The brake plate
(3) lower end is provided with brake block (33) towards braked wheel (2) protrusion, and the brake block (33) moves downward and the locking groove
(211) braking action from when coordinating, waist typed through hole (31) lower end is also connected with offering mounting groove (311), the mounting groove
(311) resetting spring (312) is provided on；
Control wheel (4)：The control wheel (4) is nested to be mounted on the brake plate (3), and the brake plate (3) is controlled to transport up and down
It is dynamic.
2. a kind of self-locking trundle according to claim 1, it is characterised in that：Control wheel (4) center offers installation
Hole (41), mounting hole (41) periphery offer sliding slot (411), are offered and the cunning on brake plate (3) excircle
The annular groove (34) of slot (411) cooperation, the control wheel (4) can be around wheel shaft (10) central rotation.
3. a kind of self-locking trundle according to claim 1 or 2, it is characterised in that：Control wheel (4) diameter is equal to or small
In the end face maximum gauge of the braked wheel (2).
4. a kind of self-locking trundle according to claim 2, it is characterised in that：The sliding slot (411) and the annular groove
(34) it is provided with anti-friction ring (341) on the position that cooperation is slided.
5. according to a kind of self-locking trundle described in claim 1 or 2 or 4, it is characterised in that：The brake plate (3) with it is described
Being provided on the connecting end surface of control wheel (4) prevents the locking plate (35) of axial float.
6. a kind of self-locking trundle according to claim 1, it is characterised in that：The brake plate (3) and the control wheel (4)
It is made by plastic material.
7. a kind of self-locking trundle according to claim 1, it is characterised in that：The installing plate (11), the left axle clamping plate
(12) and right axle clamping plate (13) integrally manufactured shaping.
8. a kind of self-locking trundle according to claim 1, it is characterised in that：The positioning recess (131) is by the right card
Axillare (13) is made up of punching press.
9. a kind of self-locking trundle according to claim 1, it is characterised in that：Universal shaft peace is provided on the wheel carrier (1)
Fill seat (15).
10. a kind of self-locking trundle according to claim 1, it is characterised in that：The brake plate (3) and the control wheel
(4) integrally manufactured shaping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721069291.5U CN207416438U (en) | 2017-08-23 | 2017-08-23 | A kind of self-locking trundle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721069291.5U CN207416438U (en) | 2017-08-23 | 2017-08-23 | A kind of self-locking trundle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207416438U true CN207416438U (en) | 2018-05-29 |
Family
ID=62315139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721069291.5U Expired - Fee Related CN207416438U (en) | 2017-08-23 | 2017-08-23 | A kind of self-locking trundle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207416438U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107554193A (en) * | 2017-08-23 | 2018-01-09 | 开平市鸿星脚轮制造有限公司 | A kind of self-locking trundle |
-
2017
- 2017-08-23 CN CN201721069291.5U patent/CN207416438U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107554193A (en) * | 2017-08-23 | 2018-01-09 | 开平市鸿星脚轮制造有限公司 | A kind of self-locking trundle |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180529 |