CN203819212U - Automatic universal and directional switching mechanism of cart wheel - Google Patents
Automatic universal and directional switching mechanism of cart wheel Download PDFInfo
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- CN203819212U CN203819212U CN201320802299.3U CN201320802299U CN203819212U CN 203819212 U CN203819212 U CN 203819212U CN 201320802299 U CN201320802299 U CN 201320802299U CN 203819212 U CN203819212 U CN 203819212U
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- lower bracket
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- rotating shaft
- bracket
- engaging gear
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Abstract
An automatic universal and directional switching mechanism of a cart wheel comprises an upper support (1), a lower support (2) and a rotary shaft (3), wherein the upper support (1) is fixed with a cart leg (4), the rotary shaft (3) rotatably penetrates two sides of the lower support (2), the lower portion of the cart leg (4) is detachably connected with the lower support (2) from the front top face of the lower support (2), the lower support (2) can horizontally rotate with the cart leg (4) as the center, a plug column (5) capable of vertically moving is arranged in the lower support (2), the upper end of the plug column (5) can extend out of a top face hole (20) of the lower support (2) to be buckled with a bottom face hole (11) of the upper support (1), the plug column (5) is in linkage with a meshing gear (7) through zigzag teeth (51) and a driving gear (61), a damper (6) capable of rotating with the rotary shaft (3) and slipping with the rotary shaft (3) is arranged on the rotary shaft (3), and the driving gear (61) is connected with the damper (6). The automatic universal and directional switching mechanism has the advantages that when a pushing handle of a cart is reversed, a rear wheel is automatically locked to perform directional movement, and a front wheel is automatically unlocked to perform universal movement.
Description
Technical field
The utility model relates to go-cart manufacture technology field, especially refers to the tripper of the universal and displacement of the carriage wheel that a kind of handle can commutate.
Background technology
Existing a kind of patent No. is 201020629143.6 and is called that the Chinese utility model patent of " perambulator that handle can commutate " discloses a kind of structure, its structure comprises go-cart vehicle frame, go-cart vehicle frame comprises the front-wheel support that is connected with front component, be connected with the rear wheel support of wheel assembly, push rod, front component comprises front-wheel joint, wheel assembly comprises trailing wheel joint, go-cart vehicle frame comprises front wheel direction finding structure, front wheel direction finding structure comprises front-wheel control piece, the front-wheel trailing cable being connected with front-wheel control piece, the directed part of front-wheel, front-wheel directional hole, the directed elastic component of front-wheel, front-wheel trailing cable is connected with the directed part of front-wheel, go-cart vehicle frame comprises trailing wheel directive texture, trailing wheel directive texture comprises rear wheel product, the trailing wheel trailing cable being connected with rear wheel product, the directed part of trailing wheel, be opened in the trailing wheel directional hole on trailing wheel joint, the directed elastic component of trailing wheel, the other end of trailing wheel trailing cable is connected with the directed part of trailing wheel, push rod is only to control front-wheel control piece, and front-wheel control piece is controlled rear wheel product again, thereby control front wheel direction finding structure and trailing wheel directive texture, easy to operate.But the shortcoming of this go-cart is that perambulator is in the time that handle commutates, the conversion of the universal and displacement of its wheel, to match with the control part of wheel by the control part on handle and by stay cord and can realize universal and conversion displacement, this design is project organization complexity not only, and product component is many, and be easy to damage, and the more important thing is that this deisgn product cost is very high, more than the cost of product of each perambulator at least will improve 10 yuan (Renminbi), this perambulator to sheet amount is produced, directly affect the profit of product, the expand reproduction of enterprise is brought to the impact that tool is large, therefore this design needs further to improve.
Utility model content
Technical problem to be solved in the utility model be provide for above-mentioned prior art present situation a kind of design ingenious, simple in structure firmly, volume is little, productive costs is low and when go-cart handle commutate, can direct on wheel, automatically realize the tripper of the universal and displacement of wheel.
The utility model solves the problems of the technologies described above adopted technical scheme: the tripper of the universal and displacement of this carriage wheel, comprise upper bracket, lower bracket, for connecting the rotating shaft of wheel, described upper bracket and car foot lever fix, described rotating shaft can laterally be placed through on the two sides at lower bracket rear portion rotationally, the bottom of described car foot lever penetrates the inner chamber of lower bracket and is connected with lower bracket dismountable type from the anterior end face of lower bracket, it is characterized in that: described lower bracket can horizontally rotate centered by car foot lever, in lower bracket inner chamber, be provided with the inserting column that can move up and down, when lower bracket is during in trailing wheel state, the upper end of described inserting column can stretch out lower bracket end face hole can with bottom surface of upper bracket on the eye-splice of bottom hole phase, the bottom of described inserting column is provided with saw shape tooth, in the rotating shaft of lower bracket inner chamber, cover is installed with driven wheel, together with this driven wheel passes through middle intermeshing interlock of engaging gear with saw shape tooth, in rotating shaft, be also provided with the damper that can rotate and can skid with rotating shaft together with rotating shaft, described driven wheel and damper link together.
As improvement, bottom also can be set in the inner chamber of described lower bracket and open sleeve jaggy, described inserting column can slide up and down to be inserted in sleeve, and described engaging gear is connected with lower bracket inwall by wheel shaft one end, and the other end of described wheel shaft and the inwall of sleeve are connected.
As improvement, described engaging gear comprises the first engaging gear and the second engaging gear, described the first engaging gear is fixed on wheel shaft for concentric with the second engaging gear, the side of the side of described the first engaging gear and the second engaging gear fixes, described the first engaging gear is meshed with driven wheel, and the second engaging gear is meshed with the saw shape tooth of inserting column.
Improve again, described driven wheel is through in rotating shaft and with the rotating disk that cover is through in rotating shaft and fixes with cover, on the edge of described rotating disk, extend axially out protruding button, on the periphery of one end of damper, be provided with arc notch, described protruding button inserts in arc notch, and can make relative circular arc along arc notch and slide, in the time that protruding button contacts mutually with the bottom surface of arc notch, damper drives rotating disk to rotate together and drives driven wheel to rotate.
As improvement, the inner chamber middle part of described lower bracket can be provided with vertical insertion tube, below being positioned at vertical insertion tube, be provided with ring-shaped clamping sleeve, the bottom of described car foot lever is through vertical insertion tube and ring-shaped clamping sleeve, on the car foot lever of ring-shaped clamping sleeve isometry position, be radially provided with annular arrangement cavity, described ring-shaped clamping sleeve one end is movably connected and is connect by the corresponding side surface of bearing pin and lower bracket, and bearing pin be nested with make ring-shaped clamping sleeve be radially snapped in annular arrangement cavity in thrust spring, and the other end of described ring-shaped clamping sleeve extends the another side of lower bracket by a depression bar.
As improvement, described thrust spring can be preferably tubular spring, and one end of described thrust spring is supported mutually with the side of ring-shaped clamping sleeve, and together with the other end of described thrust spring is supported on the pin on being fixed on bearing pin.
Improve, the bottom surface of described inserting column is provided with and can keeps the move up spring of trend of inserting column again, and this spring upper end is supported mutually with the bottom surface in inserting column shrinkage pool, and the lower end of described spring and the base plate of lower bracket support mutually.
As improvement, described damper comprises damping oil, damping housing, described rotating shaft is through the center, two sides of damping housing, on the side face of described damping housing, have the opening that can put into damping oil, be equipped with shape and opening is suitable and the cover plate that closure of openings can be lived at opening upper cover, on the outer peripheral face of described cover plate, be equipped with the spring clip together with cover plate being fixedly secured with damping housing.
As improvement, on the lower bracket both sides inwall that places rotating shaft, be respectively arranged with vertical concave track slot, on the lateral surface of described concave track slot, be respectively arranged with waist shaped hole along concave track slot direction, the bottom of described concave track slot is embedded with respectively shape and the suitable traveller of concave track slot, described traveller laterally has axis hole, described rotating shaft penetrates the axis hole through traveller successively from an outside waist shaped hole of lower bracket, damper, driven wheel, the axis hole of another traveller passes the another side of lower bracket again through another waist shaped hole of lower bracket, be equipped with respectively the damping spring of tubular on described traveller top, the lower end of described damping spring is supported mutually with corresponding traveller platform level respectively, and the top of described damping spring is supported mutually with corresponding concave track slot end face respectively.
As improvement, described car foot lever comprises mobile jib and head rod, described mobile jib and car body fix, described head rod is by top, middle part and bottom composition, the bottom of head rod can penetrate in the inner chamber of lower bracket rotationally, described annular arrangement cavity is arranged on the bottom of head rod, the middle part of described head rod is positioned on the end face of lower bracket and can horizontally rotates with lower bracket, described upper bracket is placed on the top of head rod, the bottom of described mobile jib is overlapped and is inserted on the outer peripheral face on head rod top simultaneously from the inner chamber of the end face insertion upper bracket of upper bracket, one horizontal slotting axle inserts and passes successively a side of mobile jib from a lateral surface of upper bracket, the top of head rod, mobile jib another side and passing from the opposite side of upper bracket, and make mobile jib, head rod and upper bracket are fixed with each other.
Compared with prior art, the utility model has the advantage of, after the handle commutation of go-cart, wheel drives rotating shaft to rotate, and rotating shaft drives damper to rotate, damper drives inserting column to rise, because the pin bar of go-cart is to penetrate lower bracket inner chamber from the anterior end face of lower bracket, as long as wheel moves forward, lower bracket will auto-steering, the latch that is arranged in like this rear wheel will automatically rise and insert the bottom hole of upper bracket, makes rear wheel in displacement, and latch in front vehicle wheel turning to because of lower bracket in the time rising, bottom hole in upper bracket can not be alignd with latch position and make latch insert bottom hole and realize the direction movement of front vehicle wheel, after handle commutates again, front vehicle wheel becomes rear wheel, because the front portion of lower bracket can horizontally rotate and be connected with pin bar, in the time that go-cart moves forward, lower bracket can automatic reverse, bottom hole and the inserting column of upper bracket are aligned, rotate and by engaging gear, inserting column upwards risen when vehicle wheel rotation makes damper, at this moment the inserting column rising just in time inserts in the bottom hole of upper bracket, upper bracket and lower bracket are locked together, rear wheel (referring to former front vehicle wheel) after turning to can only directedly be rolled, and rear wheel is while becoming front vehicle wheel in commutation, because turning to of wheel makes rear wheel reversing, in the time that this reverses, engaging gear on damper pulls down inserting column, inserting column is extracted from the bottom hole of upper bracket, at this moment lower bracket turns to, when rear wheel converts to after front vehicle wheel, front vehicle wheel (being original rear wheel) again roll forward and drive inserting column rise time, because lower bracket turns to, cannot align with the bottom hole of upper bracket in inserting column top in lower bracket, inserting column cannot insert upper bracket like this, at this moment in damper, drive the engaging gear on inserting column to be stuck and to skid with rotating shaft, make inserting column increase and upper bracket and lower bracket cannot be locked, thereby reach the object of front vehicle wheel direction movement.This tripper not only easy to use, sound construction, parts is few, not fragile, and effectively reduce productive costs, the go-cart of applying this tripper at least can be saved the cost of 10 yuan/(Renminbi), thereby effectively improve the profit of product, concerning sheet amount production go-cart, significantly promote the market competitive power of enterprise.And this device design is ingenious, sound construction, volume are little and it is laborsaving, light to use, and not only can be used on perambulator, need in car type that people nurses but also can be applied to tricycle for the disabled etc.
Brief description of the drawings
Fig. 1 is the block diagram of the utility model embodiment;
Fig. 2 is the block diagram of Fig. 1 different visual angles;
Fig. 3 is the three-dimensional exploded view of Fig. 2;
Fig. 4 is the further exploded perspective view of Fig. 3;
Fig. 5 is the block diagram that removes the different visual angles after upper bracket, lower bracket, damping spring and wheel carrier in Fig. 4;
Fig. 6 is the perspective view of removing in Fig. 5 after traveller and rotating shaft;
Fig. 7 is the block diagram that Fig. 6 further decomposes;
Fig. 8 is the block diagram that Fig. 1 sees from bottom to top;
Fig. 9 is that Fig. 8 removes block diagram after lower bracket base plate;
Figure 10 is the block diagram after Fig. 4 upper bracket turn-over;
Figure 11 is the block diagram after Fig. 4 lower bracket turn-over;
Figure 12 is the three-dimensional exploded view of damper in Fig. 7.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
As shown in Figures 1 to 12, the tripper of the universal and displacement of the carriage wheel of the present embodiment, comprise upper bracket 1, lower bracket 2, for connecting the rotating shaft 3 of wheel, described wheel is arranged on the two ends of rotating shaft 3, wheel and rotating shaft fix, for more convenient, wheel and rotating shaft 3 are fixed, be fixed with wheel carrier 31 in rotating shaft 3, the jack of wheel by side and wheel carrier 31 covers are plugged together and fix.Described upper bracket 1 fixes with car foot lever 4, described rotating shaft 3 can laterally be placed through on the two sides at lower bracket 2 rear portions rotationally, the bottom of described car foot lever 4 penetrates the inner chamber of lower bracket 2 and is connected with lower bracket 2 dismountable types from the anterior end face of lower bracket 2, described lower bracket 2 can horizontally rotate centered by car foot lever 4, in lower bracket 2 inner chambers, be provided with the inserting column 5 that can move up and down, when lower bracket 2 is during in trailing wheel state, the upper end of described inserting column 5 can stretch out lower bracket 2 end face hole 20 can with 1 one bottom surfaces of upper bracket on bottom hole 11 phase eye-splices, the bottom of described inserting column 5 is provided with saw shape tooth 51, in the rotating shaft 3 of lower bracket 2 inner chambers, cover is installed with driven wheel 61, together with this driven wheel 61 passes through middle intermeshing interlock of engaging gear 7 with saw shape tooth 51, in rotating shaft 3, be also provided with and can rotate the damper 6 that can skid with rotating shaft 3 again together with rotating shaft 3, described driven wheel 61 links together with damper 6.Bottom is set in the inner chamber of above-mentioned lower bracket 2 and opens sleeve 22 jaggy, described inserting column 5 can slide up and down to be inserted in sleeve 22, described engaging gear 7 is connected with lower bracket 2 inwalls by wheel shaft 70 one end, and the other end of described wheel shaft 70 is connected with the inwall of sleeve 22.Described engaging gear 7 comprises the first engaging gear 71 and the second engaging gear 72, described the first engaging gear 71 is fixed on wheel shaft 70 for concentric with the second engaging gear 72, the side of the side of described the first engaging gear 71 and the second engaging gear 72 fixes, described the first engaging gear 71 is meshed with driven wheel 61, and the second engaging gear 72 is meshed with the saw shape tooth 51 of inserting column 5.Described driven wheel 61 is through in rotating shaft 3 and with the rotating disk 66 that cover is through in rotating shaft 3 and fixes with cover, on the edge of described rotating disk 66, extend axially out protruding button 68, on the periphery of one end of damper 6, be provided with arc notch 67, described protruding button 68 inserts in arc notch 67, and can make relative circular arc along arc notch 67 and slide, in the time that protruding button 68 contacts mutually with the bottom surface of arc notch 67, damper 6 drives rotating disk 66 to rotate together and drives driven wheel 61 to rotate.The inner chamber middle part of described lower bracket 2 is provided with vertical insertion tube 21, below being positioned at vertical insertion tube 21, be provided with ring-shaped clamping sleeve 91, the bottom of described car foot lever 4 is through vertical insertion tube 21 and ring-shaped clamping sleeve 91, on the car foot lever 4 of ring-shaped clamping sleeve 91 isometry positions, be radially provided with annular arrangement cavity 41, described ring-shaped clamping sleeve 91 one end are movably connected and connect with the corresponding side surface of lower bracket 2 by bearing pin 90, and bearing pin 90 be nested with make ring-shaped clamping sleeve 91 be radially snapped in annular arrangement cavity 41 in thrust spring 92, and the another side that the other end of described ring-shaped clamping sleeve 91 extends lower bracket 2 by a depression bar 9.
Above-mentioned thrust spring 92 is tubular spring, and one end of described thrust spring 92 is supported mutually with the side of ring-shaped clamping sleeve 91, and together with one end of described thrust spring 92 is supported on the pin 93 on being fixed on bearing pin 90.
According to arbitrary described tripper in claim 1 to 4, it is characterized in that: the bottom surface of described inserting column 5 is provided with and can keeps the move up spring 52 of trend of inserting column 5, these spring 52 upper ends are supported mutually with the bottom surface in inserting column 5 shrinkage pools, and the lower end of described spring 52 is supported mutually with the base plate 25 of lower bracket 2.
Above-mentioned damper 6 comprises damping oil, damping housing 62, described rotating shaft 3 is through the center, two sides of damping housing 62, on the side face of described damping housing 62, have the opening 63 that can put into damping oil, be equipped with shape and opening 63 is suitable and the cover plate 64 that opening 63 can be closed at opening 63 upper covers, on the outer peripheral face of described cover plate 64, be equipped with the spring clip 65 together with cover plate 64 being fixedly secured with damping housing 62.
On the lower bracket 2 both sides inwalls that place rotating shaft 3, be respectively arranged with vertical concave track slot 23, on the lateral surface of described concave track slot 23, be respectively arranged with waist shaped hole 24 along concave track slot 23 directions, the bottom of described concave track slot 23 is embedded with respectively shape and the suitable traveller 8 of concave track slot 23, described traveller 8 laterally has axis hole, described rotating shaft 3 penetrates the axis hole through traveller 8 successively from an outside waist shaped hole 24 of lower bracket 2, damper 6, driven wheel 61, the axis hole of another traveller 8 passes the another side of lower bracket 2 again through lower bracket 2 another waist shaped holes 24, be equipped with respectively the damping spring 81 of tubular on described traveller 8 tops, the lower end of described damping spring 81 is supported mutually with corresponding 8 levels of traveller respectively, and the top of described damping spring 81 is supported mutually with corresponding concave track slot 23 end faces respectively.Described car foot lever 4 comprises mobile jib and head rod 42, described mobile jib and car body fix, described head rod 42 is by top 43, middle part 44 and bottom 45 form, the bottom of head rod 42 can penetrate in the inner chamber of lower bracket 2 rotationally, described annular arrangement cavity 41 is arranged on the bottom of head rod 42, the middle part 44 of described head rod 42 is positioned on the end face of lower bracket 2 and can horizontally rotates with lower bracket 2, described upper bracket 1 is placed on the top 43 of head rod 42, the bottom of described mobile jib is overlapped and is inserted on the outer peripheral face on head rod 42 tops simultaneously from the inner chamber of the end face insertion upper bracket 1 of upper bracket 1, one horizontal slotting axle inserts and passes successively a side of mobile jib from a lateral surface of upper bracket 1, the top 43 of head rod 42, mobile jib another side and passing from the opposite side of upper bracket 1, and make mobile jib, head rod 42 and upper bracket 1 are fixed with each other.
Claims (10)
1. the tripper of the universal and displacement of a carriage wheel, comprise upper bracket (1), lower bracket (2), for connecting the rotating shaft (3) of wheel, described upper bracket (1) fixes with car foot lever (4), described rotating shaft (3) can laterally be placed through on the two sides at lower bracket (2) rear portion rotationally, the bottom of described car foot lever (4) penetrates the inner chamber of lower bracket (2) and is connected with lower bracket (2) dismountable type from the anterior end face of lower bracket (2), it is characterized in that: described lower bracket (2) can horizontally rotate centered by car foot lever (4), in lower bracket (2) inner chamber, be provided with the inserting column (5) that can move up and down, when lower bracket (2) is during in trailing wheel state, the upper end of described inserting column (5) can stretch out lower bracket (2) end face hole (20) can with (1) bottom surface of upper bracket on bottom hole (11) phase eye-splice, the bottom of described inserting column (5) is provided with saw shape tooth (51), the upper cover of rotating shaft (3) at lower bracket (2) inner chamber is installed with driven wheel (61), together with this driven wheel (61) passes through middle intermeshing interlock of engaging gear (7) with saw shape tooth (51), in rotating shaft (3), be also provided with and can rotate the damper (6) that can skid with rotating shaft (3) again together with rotating shaft (3), described driven wheel (61) links together with damper (6).
2. tripper according to claim 1, it is characterized in that: bottom is set in the inner chamber of described lower bracket (2) and opens sleeve jaggy (22), described inserting column (5) can slide up and down to be inserted in sleeve (22), described engaging gear (7) is connected with lower bracket (2) inwall by wheel shaft (70) one end, and the other end of described wheel shaft (70) is connected with the inwall of sleeve (22).
3. tripper according to claim 2, it is characterized in that: described engaging gear (7) comprises the first engaging gear (71) and the second engaging gear (72), described the first engaging gear (71) is fixed on wheel shaft (70) for concentric with the second engaging gear (72), the side of the side of described the first engaging gear (71) and the second engaging gear (72) fixes, described the first engaging gear (71) is meshed with driven wheel (61), the second engaging gear (72) is meshed with the saw shape tooth (51) of inserting column (5).
4. tripper according to claim 3, it is characterized in that: described driven wheel (61) is through at rotating shaft (3) above and fixes with the rotating disk (66) that cover is through in rotating shaft (3) with cover, on the edge of described rotating disk (66), extend axially out protruding button (68), on one end periphery of damper (6), be provided with arc notch (67), described protruding button (68) inserts in arc notch (67), and can make relative circular arc along arc notch (67) and slide, in the time that protruding button (68) contacts mutually with the bottom surface of arc notch (67), damper (6) drives rotating disk (66) to rotate together and drives driven wheel (61) to rotate.
5. according to arbitrary described tripper in claim 1 to 4, it is characterized in that: the inner chamber middle part of described lower bracket (2) is provided with vertical insertion tube (21), below being positioned at vertical insertion tube (21), be provided with ring-shaped clamping sleeve (91), the bottom of described car foot lever (4) is through vertical insertion tube (21) and ring-shaped clamping sleeve (91), on the car foot lever (4) of ring-shaped clamping sleeve (91) isometry position, be radially provided with annular arrangement cavity (41), described ring-shaped clamping sleeve (91) one end is movably connected and connects with the corresponding side surface of lower bracket (2) by bearing pin (90), and bearing pin (90) be nested with make ring-shaped clamping sleeve (91) be radially snapped in annular arrangement cavity (41) in thrust spring (92), and the other end of described ring-shaped clamping sleeve (91) extends the another side of lower bracket (2) by a depression bar (9).
6. tripper according to claim 5, it is characterized in that: described thrust spring (92) is tubular spring, one end of described thrust spring (92) is supported mutually with the side of ring-shaped clamping sleeve (91), and together with the other end of described thrust spring (92) is supported on the pin (93) on being fixed on bearing pin (90).
7. according to arbitrary described tripper in claim 1 to 4, it is characterized in that: the bottom surface of described inserting column (5) is provided with and can keeps the move up spring (52) of trend of inserting column (5), this spring (52) upper end is supported mutually with the bottom surface in inserting column (5) shrinkage pool, and the lower end of described spring (52) is supported mutually with the base plate (25) of lower bracket (2).
8. according to arbitrary described tripper in claim 1 to 4, it is characterized in that: described damper (6) comprises damping oil, damping housing (62), described rotating shaft (3) is through the center, two sides of damping housing (62), on the side face of described damping housing (62), have the opening (63) that can put into damping oil, be equipped with shape and opening (63) is suitable and the cover plate (64) that opening (63) can be closed at opening (63) upper cover, on the outer peripheral face of described cover plate (64), be equipped with the spring clip (65) together with cover plate (64) being fixedly secured with damping housing (62).
9. according to arbitrary described tripper in claim 1 to 4, it is characterized in that: on lower bracket (2) the both sides inwall that places rotating shaft (3), be respectively arranged with vertical concave track slot (23), on the lateral surface of described concave track slot (23), be respectively arranged with waist shaped hole (24) along concave track slot (23) direction, the bottom of described concave track slot (23) is embedded with respectively shape and the suitable traveller (8) of concave track slot (23), described traveller (8) laterally has axis hole, described rotating shaft (3) penetrates the axis hole through traveller (8) successively from an outside waist shaped hole (24) of lower bracket (2), damper (6), driven wheel 61, the axis hole of another traveller (8) passes the another side of lower bracket (2) again through another waist shaped hole of lower bracket (2) (24), be equipped with respectively the damping spring (81) of tubular on described traveller (8) top, the lower end of described damping spring (81) is supported mutually with corresponding traveller (8) platform level respectively, and the top of described damping spring (81) is supported mutually with corresponding concave track slot (23) end face respectively.
10. tripper according to claim 5, it is characterized in that: described car foot lever (4) comprises mobile jib and head rod (42), described mobile jib and car body fix, described head rod (42) is by top (43), middle part (44) and bottom (45) composition, the bottom of head rod (42) can penetrate in the inner chamber of lower bracket (2) rotationally, described annular arrangement cavity (41) is arranged on the bottom of head rod (42), the middle part (44) of described head rod (42) is positioned on the end face of lower bracket (2) and can horizontally rotates with lower bracket (2), described upper bracket (1) is placed on the top (43) of head rod (42), the bottom of described mobile jib is overlapped and is inserted on the outer peripheral face on head rod (42) top simultaneously from the inner chamber of the end face insertion upper bracket (1) of upper bracket (1), one horizontal slotting axle inserts and passes successively a side of mobile jib from a lateral surface of upper bracket (1), the top (43) of head rod (42), mobile jib another side and passing from the opposite side of upper bracket (1), and make mobile jib, head rod (42) and upper bracket (1) are fixed with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320802299.3U CN203819212U (en) | 2013-11-27 | 2013-11-27 | Automatic universal and directional switching mechanism of cart wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320802299.3U CN203819212U (en) | 2013-11-27 | 2013-11-27 | Automatic universal and directional switching mechanism of cart wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203819212U true CN203819212U (en) | 2014-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320802299.3U Expired - Fee Related CN203819212U (en) | 2013-11-27 | 2013-11-27 | Automatic universal and directional switching mechanism of cart wheel |
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| CN (1) | CN203819212U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103661534A (en) * | 2013-11-27 | 2014-03-26 | 茅鸿勇 | Automatic switching mechanism for universal movement and directional movement of cart wheels |
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2013
- 2013-11-27 CN CN201320802299.3U patent/CN203819212U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103661534A (en) * | 2013-11-27 | 2014-03-26 | 茅鸿勇 | Automatic switching mechanism for universal movement and directional movement of cart wheels |
| CN103661534B (en) * | 2013-11-27 | 2017-01-04 | 宁波海曙天华产品设计有限公司 | Automatic switching mechanism for universal and directional movement of cart wheels |
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| Date | Code | Title | Description |
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| 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: 20140910 Termination date: 20161127 |