CN203854416U - Double-wheel-sheet trundle - Google Patents
Double-wheel-sheet trundle Download PDFInfo
- Publication number
- CN203854416U CN203854416U CN201320839973.5U CN201320839973U CN203854416U CN 203854416 U CN203854416 U CN 203854416U CN 201320839973 U CN201320839973 U CN 201320839973U CN 203854416 U CN203854416 U CN 203854416U
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- China
- Prior art keywords
- sheet
- wheel
- screw rod
- projection
- castor
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Abstract
The utility model discloses a double-wheel-sheet trundle, and aims to provide a double-wheel-sheet trundle capable of changing the inter-wheel distance. According to the technical scheme, the double-wheel-sheet trundle comprises a trundle assembly and a flat plate for connecting a supported object, wherein the trundle assembly comprises a first wheel sheet assembly, a second wheel sheet assembly and a connecting plate for connecting the first wheel sheet assembly and the second wheel sheet assembly ; the flat plate is arranged at the upper end of the trundle assembly; the first wheel sheet assembly comprises a first wheel sheet and a first support frame for positioning the first wheel sheet; the second wheel sheet assembly comprises a second wheel sheet and a second support frame for positioning the second wheel sheet. The double-wheel-sheet trundle is characterized in that the first support frame comprises a first upper support plate; one side, which is opposite to the connecting plate, of the first upper support plate is provided with a first lug; the connecting plate is provided with a first sliding chute in which the first lug slides along the axis direction of the first wheel sheet. The utility model is suitable for the double-wheel-sheet trundle.
Description
Technical field
The utility model relates to a kind of case and bag manufacturing technology field, and more particularly, it relates to a kind of Castor for trunk or bag.
Background technology
Castor comprises movable castor and rigid castors, and movable castor is also with regard to our said universal caster wheel, and its structure allows 360 degree rotations; Rigid castors direction-caster is also direction-caster, and it does not have rotational structure, can not rotate.Normally two kinds of castors are all generally the use of arranging in pairs or groups, and such as the structure of hand barrow is two, front directional wheel, back is two cardan wheels near what promote handrail.
At present, application number is that 201220033480.8 Chinese patent discloses a kind of castor with Double-wheel structure, comprise and connect flat board and castor assembly, the described dull and stereotyped and described castor assembly of connection is rotationally connected, described castor assembly comprise be rotationally connected cylinder and stay bearing plate, described castor assembly comprises the left supported plate setting gradually, middle support plate and right supported plate, between described left supported plate and middle support plate, is provided with left wheel, between right supported plate and middle support plate, is provided with right wheel.
The castor of this Double-wheel structure is compared the castor of single-wheel, little to the pressure on ground, and reliable in quality, and weight capacity is better, in the time that the supporting power of castor is large, although the castor of Double-wheel structure, become large with the area of contact on ground, earth-grasping force is better, more stable when rotation, but, because the weight of the object being supported by described castor changes sometimes, and the castor of Double-wheel structure, wheel spacing between two castors is fixed, if the weight of the object of described castor is installed to diminish, Double-wheel structure not only can affect the alerting ability that object moves, and move at object, while turning to, also need object to impose larger application force, therefore, if the castor of described Double-wheel structure supports an object that weight can change, after can not or reducing in the weight increase of object, regulating wheel is wide at any time, make castor keep best result of use.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of two-wheel sheet castor that can change wheel spacing.
For achieving the above object, the utility model provides following technical scheme: a kind of two-wheel sheet castor, comprise castor assembly and flat board for being connected supported objects, described castor assembly comprises first round chip module, second takes turns chip module and for connecting first round chip module, second takes turns the connecting panel of the assembly of sheet, described flat board is arranged at the upper end of castor assembly, described first round chip module comprises first round sheet and for locating the first bracing frame of first round sheet, second takes turns chip module comprises that second takes turns sheet and for locating the second second bracing frame of taking turns sheet, described the first bracing frame comprises the first upper backup pad, one side of the relative connecting panel of described the first upper backup pad is provided with the first projection, described connecting panel is provided with the first chute along the axis direction slippage of first round sheet for the first projection.
By adopting technique scheme, one side of the relative connecting panel of the first upper backup pad is provided with the first projection, and on described connecting panel, arrange for the first projection along the first chute of the axis direction slippage of first round sheet, make described castor in the time bearing heavy weight object, can pass through the first projection and the first chute, first round chip module is outwards promoted, thereby increase and the second distance of taking turns between sheet, thereby the area of contact that makes described castor and ground becomes large, and earth-grasping force is better, more stable when rotation; In the time that the weight of object lightens or bear the object of little weight, can directly push first round chip module to second and take turns chip module, shorten first round sheet and second and take turns the wheel spacing between sheet, increase the alerting ability of described castor, and required application force while reducing mobile object.
The utility model is further set to: described the second bracing frame comprises the second upper backup pad, one side of the relative connecting panel of described the second upper backup pad is provided with the second projection, and described connecting panel is provided with for the second projection along the second second chute of taking turns the axis direction slippage of sheet.
By adopting technique scheme, take turns and on chip module, be also provided with the structure identical with first round chip module described second, except thering is the function identical with first round chip module and beneficial effect, further strengthen described castor and taken turns wide setting range, strengthened stability while making two of described castor wheel sheets distances farthest and the alerting ability when nearest, practicality is stronger.
The utility model is further set to: described connecting panel is provided with the first side wall of downward bending near a side of first round chip module, described the first side wall is provided with the first tapped bore, described the first tapped bore is provided with the first screw rod being connected with self, and the axis of described the first screw rod is parallel with the axis of first round sheet; One end of described the first screw rod is provided with the first antifriction-bearing box, described the first antifriction-bearing box comprises the first rolling bearing inner ring and the first housing washer, described the first rolling bearing inner ring is fixedly connected with the first screw rod, and the first housing washer is fixedly connected with the first projection.
By adopting technique scheme, the first tapped bore is set on the first side wall, and on the first tapped bore, be provided with the first screw rod being connected with self, and in one end of the first screw rod, the first antifriction-bearing box is set, the first rolling bearing inner ring is fixedly connected with the first screw rod, the first housing washer is fixedly connected with the first projection, in use, only need cw or rotate counterclockwise the first screw rod, just can coordinating by the first screw rod and the first tapped bore, drive like a cork the first projection, thereby regulate first round sheet and second to take turns the wheel spacing between sheet, practicality is high.
The utility model is further set to: described connecting panel is provided with the second sidewall of downward bending near the second side of taking turns chip module, described the second sidewall is provided with the second tapped bore, described the second tapped bore is provided with the second screw rod being threaded with the second tapped bore, and it is parallel that the axis of described the second screw rod and second is taken turns the axis of sheet; One end of described the second screw rod is provided with the second antifriction-bearing box, described the second antifriction-bearing box comprises the second rolling bearing inner ring and the second housing washer, described the second rolling bearing inner ring is fixedly connected with the second screw rod, and the second housing washer is fixedly connected with the second projection.
By adopting technique scheme, the second tapped bore is set on the second sidewall, and on the second tapped bore, be provided with the second screw rod being connected with self, and in one end of the second screw rod, the second antifriction-bearing box is set, the second rolling bearing inner ring is fixedly connected with the second screw rod, the second housing washer is fixedly connected with the second projection, in use, only need cw or rotate counterclockwise the second screw rod, just can coordinating by the second screw rod and the second tapped bore, drive like a cork the second projection, thereby regulate second to take turns sheet and second and take turns the wheel spacing between sheet, practicality is high.
The utility model is further set to: described first round sheet and second is taken turns sheet and coaxially arranged.
By adopting technique scheme, first round sheet and second is taken turns to the coaxial setting of sheet, make gravity that described castor bears simultaneously in two Ge Lunpian centers, not only ensured the weight capacity of described castor, also ensured to connect a Joint strenght for a wheel sheet and bracing frame.
The utility model is further set to: described the first projection is provided with the first groove for the first antifriction-bearing box phase embedding, and described the first groove is positioned at the first chute; Described the second projection is provided with the second groove for the first antifriction-bearing box phase embedding, and described the second groove is positioned at the second chute.
By adopting technique scheme, the first groove and the second groove are set and place the first antifriction-bearing box and the second antifriction-bearing box, strengthen the Joint strenght of described the first antifriction-bearing box and the second antifriction-bearing box, simultaneously, described the first groove is arranged in the first chute, and the second groove is arranged in the second chute, is equal to the first screw rod and the second screw rod are separately positioned in the first chute and the first chute, save space, compact conformation.
The utility model is further set to: described the first chute and the second chute are oat tail groove structure.
By adopting technique scheme, the first chute and the second chute are arranged to oat tail groove structure, make described first round chip module and second take turns the kinematic accuracy of chip module high, mobile stablizing, can play simultaneously and lead and supporting role.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model two-wheel sheet castor embodiment;
Fig. 2 is the A place enlarged drawing in Fig. 1;
Fig. 3 is the schematic diagram of the utility model two-wheel sheet castor embodiment;
Fig. 4 is the structural representation of the first projection, the first screw rod, the first chute and the first antifriction-bearing box in the present embodiment;
Fig. 5 is the structural representation of the second projection, the second screw rod, the second chute and the second antifriction-bearing box in the present embodiment.
Reference numeral: 1, castor assembly; 11, first round chip module; 111, the first bracing frame; 1111, the first upper backup pad; 1112, the first projection; 1113, the first chute; 1114, the first antifriction-bearing box; 1115, the first housing washer; 1116, the first rolling bearing inner ring; 1117, the first groove; 1118, the first side wall; 1119, first round sheet; 12, second take turns chip module; 121, the second bracing frame; 1211, the second upper backup pad; 1212, the second projection; 1213, the second chute; 1214, the second antifriction-bearing box; 1215, the second housing washer; 1216, the second rolling bearing inner ring; 1217, the second groove; 1218, the second sidewall; 1219, second take turns sheet; 13, connecting panel; 14, the first screw rod; 15, the first tapped bore; 16, the second screw rod; 17, the second tapped bore; 2, flat board.
Detailed description of the invention
Referring to figs. 1 through Fig. 5, the utility model two-wheel sheet castor embodiment is described further.
As shown in Figures 1 to 5, a kind of two-wheel sheet castor, comprise castor assembly 1 and flat board 2 for being connected supported objects, described castor assembly 1 comprises first round sheet 1119 assemblies 11, second takes turns sheet 1219 assemblies 12 and for connecting first round sheet 1119 assemblies 11, second takes turns the connecting panel 13 of the assembly of sheet 1219, described dull and stereotyped 2 are arranged at the upper end of castor assembly 1, described first round sheet 1119 assemblies 11 comprise first round sheet 1119 and for locating the first bracing frame 111 of first round sheet 1119, second takes turns sheet 1219 assemblies 12 comprises that second takes turns sheet 1219 and for locating the second second bracing frame 121 of taking turns sheet 1219, described the first bracing frame 111 comprises the first upper backup pad 1111, one side of described the first upper backup pad 1111 relative connecting panels 13 is provided with the first projection 1112, described connecting panel 13 is provided with the first chute 1113 along the axis direction slippage of first round sheet 1119 for the first projection 1112.
One side of the first upper backup pad 1111 relative connecting panels 13 is provided with the first projection 1112, and on described connecting panel 13, arrange for the first projection 1112 along the first chute 1113 of the axis direction slippage of first round sheet 1119, make described castor in the time bearing heavy weight object, can pass through the first projection 1112 and the first chute 1113, first round sheet 1119 assemblies 11 are outwards promoted, thereby increase and the second distance of taking turns between sheet 1219, thereby the area of contact that makes described castor and ground becomes large, earth-grasping force is better, more stable when rotation; In the time that the weight of object lightens or bear the object of little weight, can directly push first round sheet 1119 assemblies 11 to second and take turns sheet 1219 assemblies 12, shorten first round sheet 1119 and second and take turns the wheel spacing between sheet 1219, increase the alerting ability of described castor, and required application force while reducing mobile object.
Described the second bracing frame 121 comprises the second upper backup pad 1211, one side of described the second upper backup pad 1211 relative connecting panels 13 is provided with the second projection 1212, described connecting panel 13 is provided with for the second projection 1212 and it should be noted that along the second the second chute 1213(that takes turns the axis direction slippage of sheet 1219 herein, the first chute 1113 in the present embodiment also has the effect that the first projection 1112 is fixed in support, the second chute 1213 also has the effect that the second projection 1212 is fixed in support, and the present embodiment repeats no more).
Take turns and on sheet 1219 assemblies 12, be also provided with the structure identical with first round sheet 1119 assemblies 11 described second, except thering is function and the beneficial effect identical with first round sheet 1119 assemblies 11, further strengthen described castor and taken turns wide setting range, strengthened stability while making two of described castor wheel sheets distances farthest and the alerting ability when nearest, practicality is stronger.
Described connecting panel 13 is provided with the first side wall 1118 of downward bending near a side of first round sheet 1119 assemblies 11, described the first side wall 1118 is provided with the first tapped bore 15, described the first tapped bore 15 is provided with the first screw rod 14 being connected with self, and the axis of described the first screw rod 14 is parallel with the axis of first round sheet 1119; One end of described the first screw rod 14 is provided with the first antifriction-bearing box 1114, described the first antifriction-bearing box 1114 comprises the first rolling bearing inner ring 1116 and the first housing washer 1115, described the first rolling bearing inner ring 1116 is fixedly connected with the first screw rod 14, the first housing washers 1115 and is fixedly connected with the first projection 1112.
The first tapped bore 15 is set on the first side wall 1118, and on the first tapped bore 15, be provided with the first screw rod 14 being connected with self, and the first antifriction-bearing box 1114 is set in one end of the first screw rod 14, the first rolling bearing inner ring 1116 is fixedly connected with the first screw rod 14, the first housing washer 1115 is fixedly connected with the first projection 1112, in use, only need cw or rotate counterclockwise the first screw rod 14, just can coordinating by the first screw rod 14 and the first tapped bore 15, drive like a cork the first projection 1112, thereby regulate first round sheet 1119 and second to take turns the wheel spacing between sheet 1219, practicality is high.
Described connecting panel 13 is provided with the second sidewall 1218 of downward bending near the second side of taking turns sheet 1219 assemblies 12, described the second sidewall 1218 is provided with the second tapped bore 17, described the second tapped bore 17 is provided with the second screw rod 16 being threaded with the second tapped bore 17, and it is parallel that the axis of described the second screw rod 16 and second is taken turns the axis of sheet 1219; One end of described the second screw rod 16 is provided with the second antifriction-bearing box 1214, described the second antifriction-bearing box 1214 comprises the second rolling bearing inner ring 1216 and the second housing washer 1215, described the second rolling bearing inner ring 1216 is fixedly connected with the second screw rod 16, the second housing washers 1215 and is fixedly connected with the second projection 1212.
The second tapped bore 17 is set on the second sidewall 1218, and on the second tapped bore 17, be provided with the second screw rod 16 being connected with self, and the second antifriction-bearing box 1214 is set in one end of the second screw rod 16, the second rolling bearing inner ring 1216 is fixedly connected with the second screw rod 16, the second housing washer 1215 is fixedly connected with the second projection 1212, in use, only need cw or rotate counterclockwise the second screw rod 16, just can coordinating by the second screw rod 16 and the second tapped bore 17, drive like a cork the second projection 1212, thereby adjusting second is taken turns sheet 1219 and second and is taken turns the wheel spacing between sheet 1219, practicality is high.
Described first round sheet 1119 and second is taken turns sheet 1219 and is coaxially arranged.
First round sheet 1119 and second is taken turns to the coaxial setting of sheet 1219, make gravity that described castor bears simultaneously in two Ge Lunpian centers, not only ensured the weight capacity of described castor, also ensured to connect a Joint strenght for a wheel sheet and bracing frame.
Described the first projection 1112 is provided with the first groove 1117 for the first antifriction-bearing box 1114 phase embeddings, and described the first groove 1117 is positioned at the first chute 1113; Described the second projection 1212 is provided with the second groove 1217 for the first antifriction-bearing box 1114 phase embeddings, and described the second groove 1217 is positioned at the second chute 1213.
The first groove 1117 and the second groove 1217 are set and place the first antifriction-bearing box 1114 and the second antifriction-bearing box 1214, strengthen the Joint strenght of described the first antifriction-bearing box 1114 and the second antifriction-bearing box 1214, simultaneously, described the first groove 1117 is arranged in the first chute 1113, the second groove 1217 is arranged in the second chute 1213, be equal to the first screw rod 14 and the second screw rod 16 are separately positioned in the first chute 1113 and the first chute 1113, save space, compact conformation.
Described the first chute 1113 and the second chute 1213 are oat tail groove structure and (it should be noted that herein, for ensureing the structural strength of castor, multiple the first chutes 1113 that be arranged in parallel and the second chute 1213 can be set, and projection multiple and the first chute 1113, the second chute 1213 is set).
The first chute 1113 and the second chute 1213 are arranged to oat tail groove structure, make described first round sheet 1119 assemblies 11 and second take turns the kinematic accuracy of sheet 1219 assemblies 12 high, mobile stable, can play guiding and supporting role simultaneously.
The above makes preferred implementation of the present utility model, does not depart from for the person of ordinary skill of the art under the prerequisite of the utility model principle, can also make some modification and improvement, and these also should be considered as protection domain of the present utility model.
Claims (7)
1. a two-wheel sheet castor, comprise castor assembly and flat board for being connected supported objects, described castor assembly comprises first round chip module, second takes turns chip module and for connecting first round chip module, second takes turns the connecting panel of the assembly of sheet, described flat board is arranged at the upper end of castor assembly, described first round chip module comprises first round sheet and for locating the first bracing frame of first round sheet, second takes turns chip module comprises that second takes turns sheet and for locating the second second bracing frame of taking turns sheet, it is characterized in that: described the first bracing frame comprises the first upper backup pad, one side of the relative connecting panel of described the first upper backup pad is provided with the first projection, described connecting panel is provided with the first chute along the axis direction slippage of first round sheet for the first projection.
2. two-wheel sheet castor according to claim 1, it is characterized in that: described the second bracing frame comprises the second upper backup pad, one side of the relative connecting panel of described the second upper backup pad is provided with the second projection, and described connecting panel is provided with for the second projection along the second second chute of taking turns the axis direction slippage of sheet.
3. two-wheel sheet castor according to claim 2, it is characterized in that: described connecting panel is provided with the first side wall of downward bending near a side of first round chip module, described the first side wall is provided with the first tapped bore, described the first tapped bore is provided with the first screw rod being connected with self, and the axis of described the first screw rod is parallel with the axis of first round sheet; One end of described the first screw rod is provided with the first antifriction-bearing box, described the first antifriction-bearing box comprises the first rolling bearing inner ring and the first housing washer, described the first rolling bearing inner ring is fixedly connected with the first screw rod, and the first housing washer is fixedly connected with the first projection.
4. two-wheel sheet castor according to claim 3, it is characterized in that: described connecting panel is provided with the second sidewall of downward bending near the second side of taking turns chip module, described the second sidewall is provided with the second tapped bore, described the second tapped bore is provided with the second screw rod being threaded with the second tapped bore, and it is parallel that the axis of described the second screw rod and second is taken turns the axis of sheet; One end of described the second screw rod is provided with the second antifriction-bearing box, described the second antifriction-bearing box comprises the second rolling bearing inner ring and the second housing washer, described the second rolling bearing inner ring is fixedly connected with the second screw rod, and the second housing washer is fixedly connected with the second projection.
5. two-wheel sheet castor according to claim 4, is characterized in that: described first round sheet and second is taken turns sheet and coaxially arranged.
6. two-wheel sheet castor according to claim 5, is characterized in that: described the first projection is provided with the first groove for the first antifriction-bearing box phase embedding, and described the first groove is positioned at the first chute; Described the second projection is provided with the second groove for the first antifriction-bearing box phase embedding, and described the second groove is positioned at the second chute.
7. two-wheel sheet castor according to claim 6, is characterized in that: described the first chute and the second chute are oat tail groove structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320839973.5U CN203854416U (en) | 2013-12-18 | 2013-12-18 | Double-wheel-sheet trundle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320839973.5U CN203854416U (en) | 2013-12-18 | 2013-12-18 | Double-wheel-sheet trundle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203854416U true CN203854416U (en) | 2014-10-01 |
Family
ID=51604290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320839973.5U Expired - Fee Related CN203854416U (en) | 2013-12-18 | 2013-12-18 | Double-wheel-sheet trundle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203854416U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999936A (en) * | 2015-07-02 | 2015-10-28 | 孔军民 | Dual-purpose child article for child stroller and child vehicle safety seat |
-
2013
- 2013-12-18 CN CN201320839973.5U patent/CN203854416U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999936A (en) * | 2015-07-02 | 2015-10-28 | 孔军民 | Dual-purpose child article for child stroller and child vehicle safety seat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20141001 Termination date: 20161218 |