CN208484482U - Cart universal wheel - Google Patents
Cart universal wheel Download PDFInfo
- Publication number
- CN208484482U CN208484482U CN201821007868.4U CN201821007868U CN208484482U CN 208484482 U CN208484482 U CN 208484482U CN 201821007868 U CN201821007868 U CN 201821007868U CN 208484482 U CN208484482 U CN 208484482U
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- China
- Prior art keywords
- hole
- support base
- bearing
- wheel disc
- universal wheel
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Abstract
The utility model relates to universal wheel technical field more particularly to cart universal wheels；The structure of arc groove is provided with using border outside first through hole, by the way that steel ball is placed on inside arc groove, thus prevent from swaying forwards and backwards in steel ball movement, it is easy to damage so as to cause steel ball, and the problem that velocity of rotation is slow；It is provided with the structure of first bearing and lower cover using support base first through hole lower part, by the connection of first bearing, improves the velocity of rotation of universal wheel, improves service efficiency；The structure of self-locking idler wheel is provided with using support base lower part, by the effect of self-locking idler wheel internal pawl, to realize braking action.
Description
Technical field
The utility model relates to universal wheel technical field more particularly to cart universal wheels.
Background technique
Currently, the universal wheel generally used on the market, is all only put into it for steel ball without arc groove inside support base
In, it is excessive so as to cause the freedom degree of steel ball, it is easy to shake in use, so that steel ball easily damages, and
Velocity of rotation is slower, on the one hand improves maintenance cost, on the one hand reduces service efficiency again, is badly in need of developing a kind of energy thus
It is enough that certain restrictions is carried out to steel ball, reduce the universal wheel that maintenance cost improves service efficiency again.
Utility model content
Technical problem to be solved in the utility model is that it is universal to provide cart for above-mentioned technical deficiency
Wheel is provided with the structure of arc groove using border outside first through hole, by the way that steel ball is placed on inside arc groove, thus
It prevents from swaying forwards and backwards in steel ball movement, it is easy to damage so as to cause steel ball, and the problem that velocity of rotation is slow；Using support base
One through-hole lower part is provided with the structure of first bearing and lower cover, by the connection of first bearing, improves the rotation speed of universal wheel
Degree, improves service efficiency；It is provided with the structure of self-locking idler wheel using support base lower part, passes through the work of self-locking idler wheel internal pawl
With to realize braking action.
It includes support base that in order to solve the above technical problems, the technical scheme adopted by the utility model is:；Support base is placed in the middle
Position is provided with first through hole；Border is provided with arc groove outside first through hole；Support base lower part middle line two sides are symmetrical arranged
There is support arm；Support arm top is provided with the second through-hole；The arc groove of support base is internally provided with 21 steel balls；Steel ball
Face contact is used between arc groove；Support base first through hole lower part is provided with first bearing and lower cover；First bearing two
Side uses face contact with support base lower surface and lower end interior surface respectively；Lower cover middle position is provided with third through-hole；Branch
Support seat upper surface is provided with upper end cover and washer；Bead interior is provided with arc-shaped slot；Washer passes through arc-shaped slot and support base
Upper surface clamping；Support base lower part is provided with self-locking idler wheel.
The technical program is advanced optimized, the upper end cover top surrounding is respectively arranged with limit hole；Upper end cover is placed in the middle
Position is provided with fourth hole；Bolt-through first through hole, first bearing, third through-hole and fourth hole, by upper end cover, support
Seat, first bearing and lower cover are fixed together.
Advanced optimize the technical program, the self-locking idler wheel include outer wheel disc, interior wheel disc, pawl, torsionspring and
Second bearing；Border is evenly arranged with ratchet slot inside outer wheel disc；Outer wheel disc interior central position is provided with fifth hole；Second
Bearing is clamped by fifth hole and outer wheel disc；Interior wheel disc top is provided with limit shaft；Torsionspring both ends respectively with limit shaft
It is clamped with pawl；Using socket between pawl and limit shaft；Interior wheel disc middle position is provided with the 6th through-hole.
The technical program is advanced optimized, the second through-hole of bolt-through, second bearing and the 6th through-hole will support
Arm and self-locking idler wheel are fixed together.
Compared with prior art, the utility model has the advantage that 1, upper end cover top surrounding is respectively arranged with limit
Hole, the advantageous fixation that ensure that between cart universal wheel and vehicle body of this structure；2, upper end cover middle position is provided with four-way
Hole, the advantageous fixation that ensure that between upper end cover and support base of this structure；3, border is evenly arranged with ratchet inside outer wheel disc
Slot, this structure is advantageous to ensure that stopping certainly for self-locking idler wheel；4, interior wheel disc top is provided with limit shaft, the advantageous guarantee of this structure
The fixation of pawl；5, torsionspring both ends are clamped with limit shaft and pawl respectively, this structure is advantageous to ensure that pawl and limit
Elastic connection between the axis of position；6, interior wheel disc middle position is provided with the 6th through-hole, this structure is advantageous ensure that interior wheel disc with
Fixation between outer wheel disc.
Detailed description of the invention
Fig. 1 is cart universal wheel overall structure diagram.
Fig. 2 is cart universal wheel overall structure of the explosion figure.
Fig. 3 is cart universal wheel partial structurtes explosive view.
In figure: 1, support base；2, upper end cover；3, self-locking idler wheel；101, first through hole；102, arc groove；103, it supports
Arm；104, the second through-hole；105, steel ball；106, first bearing；107, lower cover；108, third through-hole；109, washer；110, arc
Shape card slot；201, limit hole；202, fourth hole；301, outer wheel disc；302, interior wheel disc；303, pawl；304, torsionspring；
305, second bearing；306, ratchet slot；307, fifth hole；308, limit shaft；309, the 6th through-hole.
Specific embodiment
To make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment
And referring to attached drawing, the utility model is further described.It should be understood that these descriptions are merely illustrative, and do not really want
Limit the scope of the utility model.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid not
Necessarily obscure the concept of the utility model.
Specific embodiment 1: in conjunction with shown in Fig. 1-3, including support base 1；It is logical that 1 middle position of support base is provided with first
Hole 101；101 outside border of first through hole is provided with arc groove 102；1 lower part middle line two sides of support base are symmetrically arranged with support
Arm 103；103 top of support arm is provided with the second through-hole 104；The arc groove 102 of support base 1 is internally provided with 21 steel
Pearl 105；Face contact is used between steel ball 105 and arc groove 102；1 first through hole of support base, 101 lower part is provided with first bearing
106 and lower cover 107；106 both sides of first bearing use face contact with 1 lower surface of support base and 107 inner surface of lower cover respectively；
107 middle position of lower cover is provided with third through-hole 108；1 upper surface of support base is provided with upper end cover 2 and washer 109；Washer
109 are internally provided with arc-shaped slot 110；Washer 109 is clamped by arc-shaped slot 110 and 1 upper surface of support base；Under support base 1
Portion is provided with self-locking idler wheel 3；2 top surrounding of upper end cover is respectively arranged with limit hole 201；2 middle position of upper end cover is provided with
Four through-holes 202；Bolt-through first through hole 101, first bearing 106, third through-hole 108 and fourth hole 202, by upper end cover 2,
Support base 1, first bearing 106 and lower cover 107 are fixed together；Self-locking idler wheel 3 includes outer wheel disc 301, interior wheel disc 302, spine
Pawl 303, torsionspring 304 and second bearing 305；Outer 301 inside border of wheel disc is evenly arranged with ratchet slot 306；Outer wheel disc 301
Interior central position is provided with fifth hole 307；Second bearing 305 is clamped by fifth hole 307 and outer wheel disc 301；Lubrication groove
302 top of disk is provided with limit shaft 308；304 both ends of torsionspring are clamped with limit shaft 308 and pawl 303 respectively；Pawl 303
Using socket between limit shaft 308；Interior 302 middle position of wheel disc is provided with the 6th through-hole 309；The second through-hole of bolt-through
104, second bearing 305 and the 6th through-hole 309, support arm 103 and self-locking idler wheel 3 are fixed together.
In use, step 1, as shown in Figure 1, this money cart can be used when user needs using cart universal wheel
Universal wheel, user is when in use, it is necessary first to check whether the components of cart universal wheel are intact, to guarantee cart
The advantages of normal use of universal wheel, this cart universal wheel compares more conventional cart universal wheel is that support base 1 is internally provided with arc
Steel ball 105 is placed in inside arc groove 102 by connected in star 102, so that steel ball 105 is merely able to inside arc groove 102
It is slided, thus the case where being less prone to damage, and velocity of rotation is higher, greatly improves service efficiency；
Step 2, as Figure 2-3, the lower part of support base 1 are provided with first bearing 106, and top is provided with steel ball 105,
So as to realize the steering operation of cart universal wheel, pass through bolt-through fourth hole 202, first bearing 106, third through-hole
108, upper end cover 2, support base 1, bearing and lower cover 107 are fixed together, it is this moment outer when cart universal wheel moves forward
Wheel disc 301 starts turning, and pawl 303 is detached from from outer 301 internal ratchet slot 306 of wheel disc, thus will not externally wheel disc 301 movement
It limits；
Step 3, as shown in figure 3, cart universal wheel only need to be pulled back when user needs to carry out brake operation, this
It carves outer wheel disc 301 to move backward, interior wheel disc 302 is clamped by bolt and 103 phase of support arm, and pawl 303 is in inner wheel this moment
Under the action of portion's limit shaft 308 and torsionspring 304, it is caught in the ratchet slot 306 of outer wheel disc 301, thus the outer wheel disc 301 of limitation
Movement, even out of service with cart, completes brake operation, integrated operation is simple, and production cost is low, and this money cart ten thousand
It is better than conventional cart universal wheel to the service life of wheel.
The control mode of the utility model is automatically controlled by controller, and the control circuit of controller passes through this field
Technical staff's simple programming can be realized, belong to the common knowledge of this field, and the utility model is mainly used to protect machine
Tool setting, so the utility model is not explained control mode and circuit connection.
It should be understood that the above-mentioned specific embodiment of the utility model is used only for exemplary illustration or explains this reality
With novel principle, without constituting limitations of the present invention.Therefore, in the spirit and scope without departing from the utility model
In the case of any modification, equivalent substitution, improvement and etc. done, should be included within the scope of protection of this utility model.In addition,
The appended claims for the utility model are intended to cover to fall into attached claim scope and boundary or this range and boundary
Whole change and modification in equivalent form.
Claims (4)
1. cart universal wheel, it is characterised in that: including support base (1)；Support base (1) middle position is provided with first through hole
(101)；The external border of first through hole (101) is provided with arc groove (102)；Support base (1) lower part middle line two sides are symmetrical arranged
There are support arm (103)；Support arm (103) top is provided with the second through-hole (104)；The arc groove (102) of support base (1) is internal
It is provided with 21 steel balls (105)；Face contact is used between steel ball (105) and arc groove (102)；Support base (1) first
Through-hole (101) lower part is provided with first bearing (106) and lower cover (107)；First bearing (106) both sides respectively with support base
(1) lower surface and lower cover (107) inner surface use face contact；Lower cover (107) middle position is provided with third through-hole
(108)；Support base (1) upper surface is provided with upper end cover (2) and washer (109)；Washer (109) is internally provided with arc-shaped slot
(110)；Washer (109) is clamped by arc-shaped slot (110) and support base (1) upper surface；Support base (1) lower part is provided with self-locking
Idler wheel (3).
2. cart universal wheel according to claim 1, it is characterised in that: upper end cover (2) top surrounding is respectively set limited
Position hole (201)；Upper end cover (2) middle position is provided with fourth hole (202)；Bolt-through first through hole (101), first bearing
(106), third through-hole (108) and fourth hole (202), by upper end cover (2), support base (1), first bearing (106) and lower end
Lid (107) is fixed together.
3. cart universal wheel according to claim 1, it is characterised in that: self-locking idler wheel (3) includes outer wheel disc (301), interior
Wheel disc (302), pawl (303), torsionspring (304) and second bearing (305)；The internal border of outer wheel disc (301) is uniformly arranged
There are ratchet slot (306)；Outer wheel disc (301) interior central position is provided with fifth hole (307)；Second bearing (305) passes through the
Five through-holes (307) and outer wheel disc (301) are clamped；Interior wheel disc (302) top is provided with limit shaft (308)；Torsionspring (304) two
End is clamped with limit shaft (308) and pawl (303) respectively；Using socket between pawl (303) and limit shaft (308)；Interior wheel disc
(302) middle position is provided with the 6th through-hole (309).
4. cart universal wheel according to claim 1, it is characterised in that: the second through-hole of bolt-through (104), second bearing
(305) and the 6th through-hole (309), support arm (103) and self-locking idler wheel (3) are fixed together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821007868.4U CN208484482U (en) | 2018-06-28 | 2018-06-28 | Cart universal wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821007868.4U CN208484482U (en) | 2018-06-28 | 2018-06-28 | Cart universal wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208484482U true CN208484482U (en) | 2019-02-12 |
Family
ID=65248705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821007868.4U Expired - Fee Related CN208484482U (en) | 2018-06-28 | 2018-06-28 | Cart universal wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208484482U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946099A (en) * | 2020-07-28 | 2020-11-17 | 肖寒秀 | Mobilizable environmental protection intelligent building |
-
2018
- 2018-06-28 CN CN201821007868.4U patent/CN208484482U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946099A (en) * | 2020-07-28 | 2020-11-17 | 肖寒秀 | Mobilizable environmental protection intelligent building |
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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: 20190212 Termination date: 20190628 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |