CN204172608U - A kind of twin caster - Google Patents
A kind of twin caster Download PDFInfo
- Publication number
- CN204172608U CN204172608U CN201320745824.2U CN201320745824U CN204172608U CN 204172608 U CN204172608 U CN 204172608U CN 201320745824 U CN201320745824 U CN 201320745824U CN 204172608 U CN204172608 U CN 204172608U
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- China
- Prior art keywords
- gear
- sheet
- connecting panel
- profile
- backup pad
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Abstract
The utility model discloses a kind of twin caster, aim to provide a kind of two-wheel sheet castor that can change wheel spacing, its drip irrigation device comprises castor assembly and flat board, castor assembly comprises first round chip module, second takes turns chip module and connecting panel, flat board is arranged at the upper end of castor assembly, first round chip module comprises first round sheet and the first bracing frame, second takes turns chip module comprises second and takes turns sheet and the second bracing frame, it is characterized in that: the first bracing frame comprises the first upper backup pad, first upper backup pad is provided with the first profile of tooth lines, the axis being parallel of the first profile of tooth lines and first round sheet, connecting panel is provided with the first gear be meshed with the first profile of tooth lines, the center of circle of the first gear is arranged with the first dwang, first dwang is connected with connecting panel away from one end of the first gear, first upper backup pad is provided with for supplying the first castor assembly along the first sliding assembly of the axis direction slippage of first round sheet, and the utility model is applicable to twin caster.
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 of 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 collocation use, and the structure of such as hand barrow is two, front directional wheel, and back is two cardan wheels near what promote handrail.
At present, application number be 201220033480.8 Chinese patent disclose a kind of castor with Double-wheel structure, comprise and connect dull and stereotyped and castor assembly, described connection flat board is rotationally connected with described castor assembly, described castor assembly comprises and is rotationally connected cylinder and stay bearing plate, described castor assembly comprises the left supported plate set gradually, middle support plate and right supported plate, is provided with left wheel between described left supported plate and middle support plate, is provided with right wheel between right supported plate and middle support plate.
The castor of single-wheel compared by the castor of this Double-wheel structure, little to the pressure on ground, and reliable in quality, and weight capacity is better, when 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 during rotation, but, owing to being changed sometimes by the weight of the object of described caster support, and the castor of Double-wheel structure, wheel spacing between two castors is fixing, if the weight being provided with the object of described castor diminishes, Double-wheel structure not only can affect the alerting ability of object movement, and move at object, when turning to, also need to impose larger application force to object, therefore, if the caster support of described Double-wheel structure supports the object that a weight can change, can not object weight increase or reduce after regulating wheel is wide at any time, make the result of use that castor keeps best.
Utility model content
For the deficiency that prior art exists, 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 twin caster, comprise castor assembly and the 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 connecting panel of taking turns chip module, described flat board is arranged at the upper end of castor assembly, described first round chip module comprises first round sheet and the first bracing frame for locating first round sheet, second takes turns chip module comprises second and takes turns sheet and for locating the second bracing frame that second takes turns sheet, described first bracing frame comprises the first upper backup pad, described first upper backup pad is provided with the first profile of tooth lines, the axis being parallel of described first profile of tooth lines and first round sheet, connecting panel is provided with the first gear be meshed with the first profile of tooth lines, the center of circle of described first gear is arranged with the first dwang, and described first dwang is connected with connecting panel away from one end of the first gear, and described first upper backup pad is provided with for supplying the first castor assembly along the first sliding assembly of the axis direction slippage of first round sheet.
By adopting technique scheme, connecting panel arranges the adjustment structure for regulating first round sheet relative second to take turns sheet wheel spacing, make described castor when bearing heavy weight object, can rotation first gear be passed through, by engaging of the first gear and the first profile of tooth lines, thus drive first round sheet to take turns sheet away from second, the distance between sheet is taken turns in increase and second, thus making the area of contact on described castor and ground become greatly, earth-grasping force is better, more stable during rotation; When the weight of object or when bearing the object of little weight, the first gear can be rotated backward, shorten first round sheet and second and take turns distance between sheet, increase the alerting ability of described castor, and force when reducing mobile object; In addition, the first gear can be utilized as handwheel, directly rotate the first gear with hand and drive first round chip module to move, simple, practical, sliding assembly is set for supporting, limiting first round chip module, ensures the structural strength of described first round chip module.
The utility model is set to further: described second bracing frame comprises the second upper backup pad, described second upper backup pad is provided with the second profile of tooth lines, described second profile of tooth lines and second takes turns the axis being parallel of sheet, and connecting panel is provided with the second gear be meshed with the second profile of tooth lines; The center of circle of described second gear is arranged with the second dwang, and described second dwang is connected with connecting panel away from one end of the second gear, and described second upper backup pad is provided with the second sliding assembly of the axis direction slippage for taking turns sheet along second for crus secunda wheel assembly.
By adopting technique scheme, take turns on chip module described second and be also provided with the adjustment structure identical with first round chip module, except having the function identical with first round chip module and beneficial effect, increase described castor further and take turns wide setting range, enhance make two of described castor take turns sheets distance farthest time stability and nearest time alerting ability, practicality is stronger.
The utility model is set to further: described first upper backup pad comprises the first side wall with the axis being parallel of first round sheet, and described first profile of tooth lines is arranged at the first side wall; Described second upper backup pad comprises second sidewall of taking turns the axis being parallel of sheet with second, and described second profile of tooth lines is arranged at the second sidewall.
By adopting technique scheme, first profile of tooth lines is arranged on the side of the first upper backup pad and first round sheet axis being parallel, second profile of tooth lines is arranged on the side that the second upper backup pad and second takes turns sheet axis being parallel, by the rotation of the first gear or the second gear, first round chip module or second just in time can be driven to take turns chip module can linearly carry out taking turns the adjustment of spacing, stroke is short, efficiency is high.
The utility model is set to further: described first sliding assembly comprises the first limiting stopper and the first chute, described first limiting stopper is located at the side of the relative connecting panel of the first stay bearing plate, described first chute is arranged at the side of relative first stay bearing plate of connecting panel, the first limiting stopper sliding block joint first chute; Described second sliding assembly comprises the second limiting stopper and the second chute, described second limiting stopper is located at the side of the relative connecting panel of the second stay bearing plate, described second chute is arranged at the side of relative second stay bearing plate of connecting panel, the first limiting stopper sliding block joint second chute.
By adopting technique scheme, utilize coordinating of the first limiting stopper and the first chute, and second limiting stopper realize slippage with coordinating of the second chute, not only make two annexations of taking turns chip module and connecting panel stable, reliable, strengthen overall weight capacity, the structural strength of described castor, and make the slippage precision of wheel chip module high.
The utility model is set to further: the flank of tooth of described first gear and the flank of tooth of the second gear all be arranged in parallel with connecting panel.
By adopting technique scheme, the flank of tooth of the flank of tooth of the first gear and the second gear and connecting panel are be arranged in parallel, described first gear, the taking up room of the second gear can be reduced, make the first gear, the second gear is arranged on connecting panel and the first upper backup pad, between the second upper backup pad, compact conformation.
The utility model is set to further: described first gear, the second gear be coated with rubber layer.
By adopting technique scheme, at the surface of the first gear, the second gear parcel rubber layer, prevent user from passing through rotation first gear or the second gear, when regulating first round sheet and second to take turns the wheel spacing of sheet, scratched by jagged lines, make described twin caster more practical, have more hommization.
Accompanying drawing explanation
Fig. 1 is the structural representation of this practical twin caster embodiment;
Fig. 2 is the structural representation of flat board, connecting panel, the first upper backup pad, the first sliding assembly and the first gear in the present embodiment;
Fig. 3 is the structural representation of flat board, connecting panel, the second upper backup pad, the second sliding assembly and the second gear in the present embodiment.
Reference numeral: 1, castor assembly; 11, first round chip module; 111, first round sheet; 112, the first bracing frame; 1121, the first upper backup pad; 1122, the first profile of tooth lines; 1123, the first side wall; 113, the first gear; 1, the first limiting stopper; 2, the first chute; 115, the first dwang; 12, second chip module is taken turns; 121, second sheet is taken turns; 122, the second bracing frame; 1221, the second upper backup pad; 1222, the second profile of tooth lines; 1223, the second sidewall; 123, the second gear; 1, the second limiting stopper; 2, the second chute; 125, the second dwang; 13, connecting panel; 2, dull and stereotyped.
Detailed description of the invention
Referring to figs. 1 through Fig. 3, this practical twin caster embodiment is described further.
As shown in Figure 1 to Figure 3, a kind of twin caster, comprise castor assembly 1 and the flat board 2 for being connected supported objects, described castor assembly 1 comprises first round chip module 11, second takes turns chip module 12 and for connecting first round chip module 11, second connecting panel 13 of taking turns chip module 12, described dull and stereotyped 2 upper ends being arranged at castor assembly 1, described first round chip module 11 comprises first round sheet 111 and the first bracing frame 112 for locating first round sheet 111, second takes turns chip module 12 comprises second and takes turns sheet 121 and for locating the second bracing frame 122 that second takes turns sheet 121, described first bracing frame 112 comprises the first upper backup pad 1121, described first upper backup pad 1121 is provided with the first profile of tooth lines 1122, the axis being parallel of described first profile of tooth lines 1122 and first round sheet 111, connecting panel 13 is provided with the first gear 113 be meshed with the first profile of tooth lines 1122, the center of circle of described first gear 113 is arranged with the first dwang 115, described first dwang 115 is connected with connecting panel 13 away from one end of the first gear 113, and described first upper backup pad 1121 is provided with for supplying the first castor assembly 1 along the first sliding assembly of the axis direction slippage of first round sheet 111.
Connecting panel 13 is arranged for regulating first round sheet 111 relative second to take turns the adjustment structure that sheet 121 takes turns spacing, make described castor when bearing heavy weight object, rotation first gear 113 can be passed through, by engaging of the first gear 113 and the first profile of tooth lines 1122, thus driving first round sheet 111 to take turns sheet 121 away from second, the distance between sheet 121 is taken turns in increase and second, thus makes the area of contact on described castor and ground become large, earth-grasping force is better, more stable during rotation; When the weight of object or when bearing the object of little weight, the first gear 113 can be rotated backward, shorten first round sheet 111 and second and take turns distance between sheet 121, increase the alerting ability of described castor, and force when reducing mobile object; In addition, the first gear 113 can be utilized as handwheel, directly rotate the first gear 113 with hand and drive first round chip module 11 to move, simple, practical, sliding assembly is set for supporting, limiting first round chip module 11, ensures the structural strength of described first round chip module 11.
Described second bracing frame 122 comprises the second upper backup pad 1221, described second upper backup pad 1221 is provided with the second profile of tooth lines 1222, described second profile of tooth lines 1222 and second takes turns the axis being parallel of sheet 121, and connecting panel 13 is provided with the second gear 123 be meshed with the second profile of tooth lines 1222; The center of circle of described second gear 123 is arranged with the second dwang 125, described second dwang 125 is connected with connecting panel 13 away from one end of the second gear 123, described second upper backup pad 1221 is provided with the second sliding assembly (it should be noted that, the first profile of tooth lines 1122 in the present embodiment and the second profile of tooth lines 1222 are a kind of covert tooth bar) for taking turns the axis direction slippage of sheet 121 along second for crus secunda wheel assembly 1 herein.
Take turns on chip module 12 described second and be also provided with the adjustment structure identical with first round chip module 11, except having the function identical with first round chip module 11 and beneficial effect, increase described castor further and take turns wide setting range, enhance make two of described castor take turns sheets distance farthest time stability and nearest time alerting ability, practicality is stronger.
Described first upper backup pad 1121 comprises the first side wall 1123 with the axis being parallel of first round sheet 111, and described first profile of tooth lines 1122 is arranged at the first side wall 1123; Described second upper backup pad 1221 comprises second sidewall 1223 of taking turns the axis being parallel of sheet 121 with second, described second profile of tooth lines 1222 is arranged at the second sidewall 1223(and it should be noted that herein, in order to mode uses, the present embodiment is by the first profile of tooth lines 1122 and the second profile of tooth lines 1222, and namely the same side of described connecting panel 13 is located at by the first gear 113 and the second gear 123).
First profile of tooth lines 1122 is arranged on the side of the first upper backup pad 1121 and first round sheet 111 axis being parallel, second profile of tooth lines 1222 is arranged on the side that the second upper backup pad 1221 and second takes turns sheet 121 axis being parallel, by the rotation of the first gear 113 or the second gear 123, first round chip module 11 or the second just in time can be driven to take turns chip module 12 can linearly carry out taking turns the adjustment of spacing, stroke is short, efficiency is high.
Described first sliding assembly comprises the first limiting stopper 1 and the first chute 2, described first limiting stopper 1 is located at the side of the relative connecting panel 13 of the first stay bearing plate, described first chute 2 is arranged at the side of relative first stay bearing plate of connecting panel 13, the first limiting stopper 1 sliding block joint first chute 2, described second sliding assembly comprises the second limiting stopper 1 and the second chute 2, described second limiting stopper 1 is located at the side of the relative connecting panel 13 of the second stay bearing plate, described second chute 2 is arranged at the side of relative second stay bearing plate of connecting panel 13, first limiting stopper 1 sliding block joint second chute 2(it should be noted that herein, described first sliding assembly and the second sliding assembly are except having the effect of restriction first upper backup pad 1121 and the second upper backup pad 1221 moving direction, also support must be had, fixing first round chip module 11 and second takes turns the effect of chip module 12, this implements sharp preferred version, first chute 2 and the second chute 2 are all set to oat tail groove structure, not only accurately mobile, there is support simultaneously, fixing effect, for ensureing first round chip module 11, second Joint strenght of taking turns chip module 12 and connecting panel 13, can arrange and organize sliding assembly more, this enforcement power does not limit).
Utilize coordinating of the first limiting stopper 1 and the first chute 2, and second limiting stopper 1 realize slippage with the second coordinating of chute 2, not only make two annexations of taking turns chip module and connecting panel 13 stable, reliable, strengthen overall weight capacity, the structural strength of described castor, and make the slippage precision of wheel chip module high.
The flank of tooth of described first gear 113 and the flank of tooth of the second gear 123 all be arranged in parallel with connecting panel 13.
The flank of tooth of the flank of tooth of the first gear 113 and the second gear 123 and connecting panel 13 are be arranged in parallel, taking up room of described first gear 113, second gear 123 can be reduced, the first gear 113, second gear 123 is made to be arranged between connecting panel 13 and the first upper backup pad 1121, second upper backup pad 1221, compact conformation.
Described first gear 113, second gear 123 be coated with rubber layer.
At the surface of the first gear 113, second gear 123 parcel rubber layer, prevent user from passing through rotation first gear 113 or the second gear 123, when regulating first round sheet 111 and second to take turns the wheel spacing of sheet 121, scratched by jagged lines, make described twin caster more practical, have more hommization.
The above makes preferred implementation of the present utility model, and under not departing from the prerequisite of the utility model principle for the person of ordinary skill of the art, can also make some modification and improvement, these also should be considered as protection domain of the present utility model.
Claims (3)
1. a twin caster, comprise castor assembly and the 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 connecting panel of taking turns chip module, described flat board is arranged at the upper end of castor assembly, described first round chip module comprises first round sheet and the first bracing frame for locating first round sheet, second takes turns chip module comprises second and takes turns sheet and for locating the second bracing frame that second takes turns sheet, it is characterized in that: described first bracing frame comprises the first upper backup pad, described first upper backup pad is provided with the first profile of tooth lines, the axis being parallel of described first profile of tooth lines and first round sheet, connecting panel is provided with the first gear be meshed with the first profile of tooth lines, the center of circle of described first gear is arranged with the first dwang, described first dwang is connected with connecting panel away from one end of the first gear, described first upper backup pad is provided with for supplying the first castor assembly along the first sliding assembly of the axis direction slippage of first round sheet, described second bracing frame comprises the second upper backup pad, described second upper backup pad is provided with the second profile of tooth lines, described second profile of tooth lines and second takes turns the axis being parallel of sheet, and connecting panel is provided with the second gear be meshed with the second profile of tooth lines, the center of circle of described second gear is arranged with the second dwang, described second dwang is connected with connecting panel away from one end of the second gear, described second upper backup pad is provided with the second sliding assembly of the axis direction slippage for taking turns sheet along second for crus secunda wheel assembly, described first upper backup pad comprises the first side wall with the axis being parallel of first round sheet, and described first profile of tooth lines is arranged at the first side wall, described second upper backup pad comprises second sidewall of taking turns the axis being parallel of sheet with second, described second profile of tooth lines is arranged at the second sidewall, described first sliding assembly comprises the first limiting stopper and the first chute, described first limiting stopper is located at the side of the relative connecting panel of the first stay bearing plate, described first chute is arranged at the side of relative first stay bearing plate of connecting panel, the first limiting stopper sliding block joint first chute, described second sliding assembly comprises the second limiting stopper and the second chute, described second limiting stopper is located at the side of the relative connecting panel of the second stay bearing plate, described second chute is arranged at the side of relative second stay bearing plate of connecting panel, the first limiting stopper sliding block joint second chute.
2. twin caster according to claim 1, is characterized in that: the flank of tooth of described first gear and the flank of tooth of the second gear all be arranged in parallel with connecting panel.
3. twin caster according to claim 1, is characterized in that: described first gear, the second gear be coated with rubber layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320745824.2U CN204172608U (en) | 2013-11-21 | 2013-11-21 | A kind of twin caster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320745824.2U CN204172608U (en) | 2013-11-21 | 2013-11-21 | A kind of twin caster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204172608U true CN204172608U (en) | 2015-02-25 |
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ID=52561444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320745824.2U Expired - Fee Related CN204172608U (en) | 2013-11-21 | 2013-11-21 | A kind of twin caster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204172608U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105599538A (en) * | 2016-02-03 | 2016-05-25 | 广西科技大学 | Novel wheel train system |
-
2013
- 2013-11-21 CN CN201320745824.2U patent/CN204172608U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105599538A (en) * | 2016-02-03 | 2016-05-25 | 广西科技大学 | Novel wheel train system |
| CN105599538B (en) * | 2016-02-03 | 2018-06-12 | 广西科技大学 | A kind of wheel train structure |
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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 |
Granted publication date: 20150225 Termination date: 20151121 |
|
| EXPY | Termination of patent right or utility model |