CN203819306U - Automatic universal and directional switching mechanism of cart wheel - Google Patents

Automatic universal and directional switching mechanism of cart wheel Download PDF

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Publication number
CN203819306U
CN203819306U CN201320845114.7U CN201320845114U CN203819306U CN 203819306 U CN203819306 U CN 203819306U CN 201320845114 U CN201320845114 U CN 201320845114U CN 203819306 U CN203819306 U CN 203819306U
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CN
China
Prior art keywords
lower bracket
rotating shaft
bracket
screw mandrel
rod
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Withdrawn - After Issue
Application number
CN201320845114.7U
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Chinese (zh)
Inventor
茅鸿勇
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Individual
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Individual
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Priority to CN201320845114.7U priority Critical patent/CN203819306U/en
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Publication of CN203819306U publication Critical patent/CN203819306U/en
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Withdrawn - After Issue legal-status Critical Current

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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), a lead screw (6) is arranged on the rotary shaft (3), a positioning plug rod (60) is arranged on the lower support (2), one end of the positioning plug rod (60) extends into a threaded groove (61), the lead screw (6) drives the plug column (5) to vertically move through a transmission mechanism in the lower support (2). 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

Universal and the directed tripper of carriage wheel
Technical field
The utility model relates to go-cart manufacture technology field, especially refers to the universal and directed tripper 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 little and when go-cart handle commutate the direct universal and directed tripper of wheel of automatically realizing on wheel of energy.
The utility model solves the problems of the technologies described above adopted technical scheme: the universal and directed tripper 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 in lower bracket and with lower bracket dismountable type and is connected 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, 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, in the rotating shaft that is positioned at lower bracket, be equipped with the screw mandrel that is provided with thread groove on periphery, this screw mandrel can rotate and can move axially along rotating shaft together with rotating shaft, on lower bracket, be fixed with positioning pluging rod, one end of this positioning pluging rod is stretched in thread groove, in the time of the positive and negative rotation of screw mandrel, move around in rotating shaft taking positioning pluging rod as fulcrum, described screw mandrel drives inserting column to move up and down by the transmission device in lower bracket.
As improvement, screw mandrel can rotate together and can be chosen as along the axially movable concrete structure of rotating shaft with rotating shaft: the relative both sides of axis hole of described screw mandrel are axially respectively arranged with arc-shaped cavity, in rotating shaft, radially place the axle that two ends are spheric, the two ends of described axle can be stretched into respectively corresponding arc-shaped cavity actively.
As improvement, described positioning pluging rod is preferably and is vertically arranged in lower bracket, the lower end of this positioning pluging rod is stretched in thread groove, and the upper end of positioning pluging rod and the lower end of support spring are supported mutually, and the upper end of described support spring is supported mutually with the block screw being fixed on lower bracket.
As improvement, described transmission device comprises dividing plate, ball, laterally squeezing rod, contiguous block, described dividing plate is between inserting column and screw mandrel, described contiguous block is through dividing plate, one end of described contiguous block is connected with one end of screw mandrel, and can move around along rotating shaft together with screw mandrel, and the other end of contiguous block is connected with horizontal squeezing rod, in the vertical plane of dividing plate, be provided with deep-slotted chip breaker, described ball can be arranged in deep-slotted chip breaker actively, described horizontal squeezing rod is arranged in deep-slotted chip breaker and can pushes mutually with one, deep-slotted chip breaker ball, and the other end of described ball and connecting rod one end extruding of stretching in deep-slotted chip breaker, described connecting rod is connected with inserting column sidepiece, be provided with the spring that keeps inserting column move toward one another in the bottom that is positioned at inserting column, the upper end of described spring is supported mutually with inserting column platform level, and the lower end of described spring and the base plate of lower bracket support mutually.
As improvement, described dividing plate is the integrative-structure being involuted by two vertical plate, and described deep-slotted chip breaker is by radially involuting for semi-round two symmetrical grooves on two vertical plate inwalls.
Improve, one end of described screw mandrel is provided with circular bulge loop again, and the end of described contiguous block is provided with two clamping plates, and two clamping plates middle part forms cavity, and described circular bulge loop is inserted in cavity.
Improve, described positioning pluging rod may be selected to be and is vertically arranged in lower bracket again, and the upper end of positioning pluging rod fixes by screw thread portion corresponding to lower bracket, the flats that the width of described inserted link lower end and thread groove width are suitable.
Improve again, in described lower bracket, be provided with ring-shaped clamping sleeve, the bottom of described car foot lever is through 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 in bearing pin is nested with, can make ring-shaped clamping sleeve radially be snapped in thrust spring in annular arrangement cavity, and the other end of described ring-shaped clamping sleeve extends the another side of lower bracket by a depression bar.
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, screw mandrel centre hole, 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, during the bottom of head rod can penetrate in 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 inserted in upper bracket and is overlapped and insert in the outer peripheral face on head rod top simultaneously from the end face 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 screw mandrel to rotate, screw mandrel drives transmission device and makes inserting column increase, 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 inserting column 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 inserting column in front vehicle wheel turning to because of lower bracket in the time rising, bottom hole in upper bracket can not be alignd with inserting column position and make inserting column 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, while inserting column upwards being risen when vehicle wheel rotation like this, 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, screw mandrel rotates backward and by transmission device, inserting column is pulled down, 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, 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 that Fig. 1 is at the block diagram that removes lower bracket bonnet state;
Fig. 4 be Fig. 3 remove lower bracket, wherein after a traveller, one of them vehicle frame and positioning pluging rod and block diagram (having angle to change);
Fig. 5 is the locations of structures figure removing in Fig. 4 after rotating shaft, traveller, vehicle frame and lower bracket base plate;
Fig. 6 is the three-dimensional exploded view of Fig. 5;
Fig. 7 is the three-dimensional exploded view of Fig. 6 different visual angles;
Fig. 8 is the portion's view along A-A line in Fig. 2;
Fig. 9 be Fig. 1 bottom upwards and remove the block diagram after lower bracket base plate;
Figure 10 is the block diagram after upper bracket turn-over in Fig. 1;
Figure 11 is the block diagram of head rod in Fig. 1;
Figure 12 is the constructional drawing that Fig. 1 shaft and screw mandrel are combined together;
Figure 13 is the exploded drawings of Figure 12.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
As shown in figure 1 to figure 13, universal and the directed tripper 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 in 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, 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 can with 1 one bottom surfaces of upper bracket on bottom hole 11 phase eye-splices, in the rotating shaft 3 that is positioned at lower bracket 2, be equipped with the screw mandrel 6 that is provided with thread groove 61 on periphery, this screw mandrel 6 can rotate and can move axially along rotating shaft 3 together with rotating shaft 3, on lower bracket 2, be fixed with positioning pluging rod 60, one end of this positioning pluging rod 60 is stretched in thread groove 61, in the time of the positive and negative rotation of screw mandrel 6, move around in rotating shaft 3 taking positioning pluging rod 60 as fulcrum, described screw mandrel 6 drives inserting column 5 to move up and down by the transmission device in lower bracket 2.Above-mentioned screw mandrel 6 can rotate together with rotating shaft 3 and can be along the axially movable concrete structure of rotating shaft 3: the relative both sides of axis hole 63 of described screw mandrel 6 are axially respectively arranged with arc-shaped cavity 65, in rotating shaft 3, radially placing two ends is the axle 32 of spheric, and the two ends of described axle 32 can be stretched into respectively corresponding arc-shaped cavity 65 actively.Be provided with circular bulge loop 62 in one end of screw mandrel 6, the end of described contiguous block 73 is provided with two clamping plates 77, and two clamping plates middle part forms cavity, and described circular bulge loop 62 is inserted in cavity.Described positioning pluging rod 60 is for being vertically arranged in lower bracket 2, the flats that the width of positioning pluging rod 60 lower ends and thread groove 61 width are suitable, its lower end is stretched in thread groove 61, and the upper end of positioning pluging rod 60 is supported mutually with the lower end of support spring 64, the upper end of described support spring 64 is supported mutually with the block screw 66 being fixed on lower bracket 2.In lower bracket 2, be provided with ring-shaped clamping sleeve 91, the bottom of described car foot lever 4 is through 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 in bearing pin 90 is nested with, can make ring-shaped clamping sleeve 91 radially be snapped in thrust spring 92 in annular arrangement cavity 41, and the another side that the other end of described ring-shaped clamping sleeve 91 extends lower bracket 2 by a depression bar 9.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, screw mandrel centre hole, 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.
Above-mentioned transmission device comprises dividing plate 7, ball 71, laterally squeezing rod 72, contiguous block 73, described dividing plate 7 is between inserting column 5 and screw mandrel 6, described contiguous block 73 is through dividing plate 7, one end of described contiguous block 73 is connected with one end of screw mandrel 6, and can move around along rotating shaft 3 together with screw mandrel 6, and the other end of contiguous block 73 is connected with horizontal squeezing rod 72, in the vertical plane of dividing plate 7, be provided with deep-slotted chip breaker 74, described ball 71 can be arranged in deep-slotted chip breaker 74 actively, described horizontal squeezing rod 72 is arranged in deep-slotted chip breaker 74 and can pushes mutually with 71 1, deep-slotted chip breaker 74 ball, and the other end of described ball 71 and connecting rod 75 one end extruding of stretching in deep-slotted chip breaker 74, described connecting rod 75 is connected with inserting column 5 sidepieces, be provided with the spring 76 that keeps inserting column 5 move toward one another in the bottom that is positioned at inserting column 5, 5 levels in the upper end of described spring 76 and inserting column support mutually, and the lower end of described spring 76 is supported mutually with the base plate 21 of lower bracket 2.Described dividing plate 7 is the integrative-structures that involuted by two vertical plate, and described deep-slotted chip breaker 74 is by radially involuting for semi-round two symmetrical grooves on two vertical plate inwalls.
Above-mentioned 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 rotationally lower bracket 2 interior in, 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 inserted the interior cover simultaneously of upper bracket 1 from the end face of upper bracket 1 and is inserted in the outer peripheral face on head rod 42 tops, one horizontal slotting axle 10 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 (9)

1. the universal and directed tripper 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 in 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), 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 can with (1) bottom surface of upper bracket on bottom hole (11) phase eye-splice, in the rotating shaft (3) that is positioned at lower bracket (2), be equipped with the screw mandrel (6) that is provided with thread groove (61) on periphery, this screw mandrel (6) can rotate and can move axially along rotating shaft (3) together with rotating shaft (3), on lower bracket (2), be fixed with positioning pluging rod (60), one end of this positioning pluging rod (60) is stretched in thread groove (61), in the time of the positive and negative rotation of screw mandrel (6), move around in rotating shaft (3) taking positioning pluging rod (60) as fulcrum, described screw mandrel (6) drives inserting column (5) to move up and down by the transmission device in lower bracket (2).
2. tripper according to claim 1, it is characterized in that: described screw mandrel (6) can rotate together with rotating shaft (3) and can be along the axially movable concrete structure of rotating shaft (3): the relative both sides of axis hole (63) of described screw mandrel (6) are axially respectively arranged with arc-shaped cavity (65), in rotating shaft (3), radially place the axle that two ends are spheric (32), the two ends of described axle (32) can be stretched into respectively corresponding arc-shaped cavity (65) actively.
3. tripper according to claim 1, it is characterized in that: described positioning pluging rod (60) is for being vertically arranged in lower bracket (2), the lower end of this positioning pluging rod (60) is stretched in thread groove (61), and the upper end of positioning pluging rod (60) is supported mutually with the lower end of support spring (64), the upper end of described support spring (64) is supported mutually with the block screw (66) being fixed on lower bracket (2).
4. tripper according to claim 1, it is characterized in that: described transmission device comprises dividing plate (7), ball (71), laterally squeezing rod (72), contiguous block (73), described dividing plate (7) is positioned between inserting column (5) and screw mandrel (6), described contiguous block (73) is through dividing plate (7), one end of described contiguous block (73) is connected with one end of screw mandrel (6), and can move around along rotating shaft (3) together with screw mandrel (6), and the other end of contiguous block (73) is connected with horizontal squeezing rod (72), in the vertical plane of dividing plate (7), be provided with deep-slotted chip breaker (74), described ball (71) can be arranged in deep-slotted chip breaker (74) actively, described horizontal squeezing rod (72) is arranged in deep-slotted chip breaker (74) and can pushes mutually with (71) one, deep-slotted chip breaker (74) ball, and the other end of described ball (71) and connecting rod (75) one end extruding of stretching in deep-slotted chip breaker (74), described connecting rod (75) is connected with inserting column (5) sidepiece, be provided with the spring (76) that keeps inserting column (5) move toward one another in the bottom that is positioned at inserting column (5), the upper end of described spring (76) is supported mutually with inserting column (5) platform level, and the lower end of described spring (76) is supported mutually with the base plate (21) of lower bracket (2).
5. tripper according to claim 4, it is characterized in that: described dividing plate (7) is the integrative-structure being involuted by two vertical plate, described deep-slotted chip breaker (74) is by radially involuting for semi-round two symmetrical grooves on two vertical plate inwalls.
6. tripper according to claim 4, it is characterized in that: one end of described screw mandrel (6) is provided with circular bulge loop (62), the end of described contiguous block (73) is provided with two clamping plates (77), two clamping plates middle part forms cavity, and described circular bulge loop (62) is inserted in cavity.
7. according to arbitrary described tripper in claim 1 to 6, it is characterized in that: in described lower bracket (2), be provided with ring-shaped clamping sleeve (91), the bottom of described car foot lever (4) is through 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 in being nested with, bearing pin (90) can make ring-shaped clamping sleeve (91) radially be snapped in thrust spring (92) in annular arrangement cavity (41), and the other end of described ring-shaped clamping sleeve (91) extends the another side of lower bracket (2) by a depression bar (9).
8. according to arbitrary described tripper in claim 1 to 6, 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), screw mandrel centre hole, 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.
9. tripper according to claim 7, 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, during the bottom of head rod (42) can penetrate in 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 inserted in upper bracket (1) and is overlapped and insert in the outer peripheral face on head rod (42) top simultaneously from the end face of upper bracket (1), one horizontal slotting axle (10) 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.
CN201320845114.7U 2013-12-05 2013-12-05 Automatic universal and directional switching mechanism of cart wheel Withdrawn - After Issue CN203819306U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320845114.7U CN203819306U (en) 2013-12-05 2013-12-05 Automatic universal and directional switching mechanism of cart wheel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320845114.7U CN203819306U (en) 2013-12-05 2013-12-05 Automatic universal and directional switching mechanism of cart wheel

Publications (1)

Publication Number Publication Date
CN203819306U true CN203819306U (en) 2014-09-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320845114.7U Withdrawn - After Issue CN203819306U (en) 2013-12-05 2013-12-05 Automatic universal and directional switching mechanism of cart wheel

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103661552A (en) * 2013-12-05 2014-03-26 茅鸿勇 Automatic universal mode and directed mode switching mechanism of wheels of trolley
CN104309677A (en) * 2014-09-29 2015-01-28 好孩子儿童用品有限公司 Rotating bracket with multiple conversion connectors
CN112757136A (en) * 2021-02-26 2021-05-07 深圳市创志品实业有限公司 Filtering type surface brightening overturning polishing machine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103661552A (en) * 2013-12-05 2014-03-26 茅鸿勇 Automatic universal mode and directed mode switching mechanism of wheels of trolley
CN103661552B (en) * 2013-12-05 2015-12-09 茅鸿勇 The tripper of the universal and orientation of carriage wheel
CN104309677A (en) * 2014-09-29 2015-01-28 好孩子儿童用品有限公司 Rotating bracket with multiple conversion connectors
CN104309677B (en) * 2014-09-29 2016-08-17 好孩子儿童用品有限公司 There is the rotary bracket of multiple translation interface
CN112757136A (en) * 2021-02-26 2021-05-07 深圳市创志品实业有限公司 Filtering type surface brightening overturning polishing machine

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