CN2574979Y - Improved opening & closing structure for collapsible electric travelling cycle - Google Patents
Improved opening & closing structure for collapsible electric travelling cycle Download PDFInfo
- Publication number
- CN2574979Y CN2574979Y CN 02258300 CN02258300U CN2574979Y CN 2574979 Y CN2574979 Y CN 2574979Y CN 02258300 CN02258300 CN 02258300 CN 02258300 U CN02258300 U CN 02258300U CN 2574979 Y CN2574979 Y CN 2574979Y
- Authority
- CN
- China
- Prior art keywords
- rod
- wheel support
- car frame
- main car
- connecting rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a tricycle which can be steered through using a back push rod; the utility model comprises a main tricycle frame [15], a saddle [10], a front wheel bracket [6], a front wheel [7], a back wheel bracket [2], back wheels [8] which are respectively arranged on both sides of the back wheel bracket, and a back push rod [1] arranged on the back wheel bracket [2], wherein, the back wheel bracket [2] is pivoted on the main tricycle frame [15]; the back part of a connecting rod mechanism is pivoted on the back wheel bracket [2] or the back push rod [1]; the front of the connecting rod mechanism is pivoted on the front wheel bracket [6]; the back push rod [1] is rotatablely connected with the back wheel bracket [2]. One back push rod can be used as a rocking rod for rocking horse and can also be used as a steering rod for the steering of the wheels; one rod has two purposes; thereby, the production cost is reduced.
Description
Technical field
The utility model relates to a kind of three-wheel vehicle.
Background technology
The three-wheel vehicle that child's tricycle of the prior art can turn to rear push-rod, comprise main car frame, be arranged at the vehicle seat on the main car frame, be arranged at the anterior of main car frame and with the front-wheel support of main car frame pivotal joint, be arranged at the handgrip on the front-wheel support, be arranged at a front-wheel on the front-wheel support, be used to drive the driving step that front-wheel rotates, be arranged at the rear wheel support at the rear portion of main car frame, be arranged at the trailing wheel of the both sides of rear wheel support respectively, be arranged at the rear push-rod on the rear wheel support, the rear push-rod operated by rotary motion has two, one is pure in front-wheel is turned to usefulness, another is that use as rocking horse the below that can translate into main car frame, or use as push rod at the rear that is erected at main car frame.Because there are two rear push-rods at the main car frame rear portion, therefore more parts cause the cost of manufacture of car load to improve, and the packaging volume of product is also bigger in addition.
Summary of the invention
The purpose of this utility model is to provide a kind of and can be directly rotates the three-wheel vehicle that available rear push-rod that three-wheel vehicle is turned to turns to by the control rear push-rod.
The technical solution of the utility model is: the three-wheel vehicle that a kind of available rear push-rod turns to, comprise main car frame, be arranged at the vehicle seat on the main car frame, be arranged at the anterior of main car frame and with the front-wheel support of main car frame pivotal joint, be arranged at the handgrip on the front-wheel support, be arranged at a front-wheel on the front-wheel support, be used to drive the driving step that front-wheel rotates, be arranged at the rear wheel support at the rear portion of main car frame, be arranged at the trailing wheel of the both sides of rear wheel support respectively, be arranged at the rear push-rod on the rear wheel support, described rear wheel support and main car frame pivotal joint, described rear wheel support or rear push-rod head lamp brush guard pivot are connected with the rear portion of connecting rod mechanism, and the front portion of this connecting rod mechanism is connected with the front-wheel support phase pivot; Described rear push-rod and rear wheel support are rotatably connected around horizontal shaft, and described rear push-rod has two kinds of mode of operations, and first mode of operation is the rear portion that rear push-rod is erected in main car frame; Second mode of operation is the below that rear push-rod is turned to main car frame, and the front portion of rear push-rod forms support to front-wheel or front-wheel support, and the rear portion of rear push-rod forms support to rear wheel support or trailing wheel; Described rear push-rod is under second mode of operation, and rear push-rod arches upward downwards.
The utility model compared with prior art has following advantage:
By a rear push-rod, the rocking bar that both can do rocking horse uses, and the deflecting bar that can be used as again wheel steering uses, and a bar is dual-purpose, has reduced productive costs.
Description of drawings
Accompanying drawing 1 is that rear push-rod of the present utility model is in the block diagram under first mode of operation;
Accompanying drawing 2 is that rear push-rod of the present utility model is in the upward view (front-wheel rotates to a side) under first mode of operation;
Accompanying drawing 3 is that rear push-rod of the present utility model is in the upward view (front-wheel rotates to opposite side) under first mode of operation;
Accompanying drawing 4 is that rear push-rod of the present utility model is in the front view under second mode of operation;
Accompanying drawing 5 is that rear push-rod of the present utility model is in the front view under first mode of operation;
Accompanying drawing 6 is the Q place amplification view of accompanying drawing 5;
Accompanying drawing 7 is that rear push-rod of the present utility model is in the front view under second mode of operation;
Accompanying drawing 8 is the R place amplification view of accompanying drawing 7;
Block diagram when accompanying drawing 9 adopts another kind of connecting rod mechanism for the utility model; Wherein:
1, rear push-rod; 2, rear wheel support; 3, first connecting rod; 4, second connecting rod; 5, third connecting rod; 6, front-wheel support; 7, front-wheel; 8, trailing wheel; 9, drive step; 10, vehicle seat; 11, singletree; 12, locking piece; 13, sleeve pipe; 14, handgrip; 15, main car frame; 16, second connecting rod rotating shaft; 17, locking draw-in groove; 18, locations rotating shaft; 19, locations; 20, torsion spring; 21, stage clip; 22, dwang; 23, perforate; 24, perforate; 25, securing rod;
The specific embodiment
Referring to accompanying drawing, the three-wheel vehicle that a kind of available rear push-rod turns to, comprise main car frame 15, be arranged at the vehicle seat 10 on the main car frame 15, be arranged at the anterior of main car frame 15 and with the front-wheel support 6 of main car frame 15 pivotal joints, be arranged at the handgrip 14 on the front-wheel support 6, be arranged at a front-wheel 7 on the front-wheel support 6, be used to drive the driving step 9 that front-wheel 7 rotates, be arranged at the rear wheel support 2 at the rear portion of main car frame 15, be arranged at the trailing wheel 8 of the both sides of rear wheel support 2 respectively, be arranged at the rear push-rod 1 on the rear wheel support 2, described rear wheel support 2 and main car frame 15 pivotal joints, described rear wheel support 2 or rear push-rod 1 head lamp brush guard pivot are connected with the rear portion of connecting rod mechanism, and the front portion of this connecting rod mechanism is connected with front-wheel support 6 phase pivots; Described rear push-rod 1 is rotatably connected with rear wheel support 2, and described rear push-rod 1 has two kinds of mode of operations, and first mode of operation is the rear portion that rear push-rod 1 is erected in main car frame 15; Second mode of operation is the below that rear push-rod 1 is turned to main car frame 15, and the front portion of rear push-rod 1 forms support to front-wheel 7 or front-wheel support 6, and the rear portion of rear push-rod 1 forms support to rear wheel support 2 or trailing wheel 8; Described rear push-rod 1 is under second mode of operation, and rear push-rod 1 arches upward downwards.
Referring to accompanying drawing 6 and accompanying drawing 8, be provided with the rear wheel support rotary locking mechanism between described rear wheel support 2 and the main car frame 15, be in (as shown in Figure 6) under first mode of operation at rear push-rod 1, the release of described rear wheel support rotary locking mechanism, this moment, described rear wheel support 2 was in the state that freely rotates with main car frame 15, rear push-rod 1 can drive rear wheel support 2 and rotate, and then makes that by rear wheel support 2 drivening rod mechanisms front-wheel support 6 is rotated; Be under second mode of operation at rear push-rod 1, described rear wheel support rotary locking mechanism locking (as shown in Figure 8), the rotation between described rear wheel support 2 and the main car frame 15 at this moment is locked, and rear push-rod 1 can only use as the rocking bar that rocking horse is used.
Referring to accompanying drawing 6 and accompanying drawing 8, the dwang 22 that described rear wheel support rotary locking mechanism comprises the sleeve pipe 13 that is fixed on the main car frame 15, be inserted in sleeve pipe 13 inner chambers and be rotatably connected with sleeve pipe 13, described dwang 22 is fixed on the rear wheel support 2, described dwang 22 head lamp brush guard pivots are connected with locations 19, when rear push-rod 1 is in first mode of operation, perforate 24 on the securing rod 25 disengaging dwangs 22 on the locations 19 and the perforate 23 on the sleeve pipe 13 make rear wheel support 2 and main car frame 15 to relatively rotate.When rear push-rod 1 was in second mode of operation, the securing rod 25 on the locations 19 passed perforate 24 on the dwang 22 and the perforate 23 on the sleeve pipe 13, made rear wheel support 2 and main car frame 15 not to relatively rotate.A stage clip 21 withstands on the locations 19, makes securing rod 25 have to be tending towards the trend in perforate 24 and the perforate 23 inserted.Go back pivotal joint on the described dwang 22 locking piece 12 is arranged, have locking draw-in groove 17 on the described locking piece 12, when rear push-rod 1 is in first mode of operation, singletree 11 on the rear push-rod 1 snaps in the described locking draw-in groove 17, make rear push-rod 1 stably to erect, and singletree 11 roof pressure locationss 19 make the release of rear wheel support rotary locking mechanism, and then rear wheel support 2 can rotate with respect to main car frame 15.Also be with torsion spring 18 in the locations rotating shaft 18 of described locking piece 12, an end of this torsion spring 18 withstands on the locking piece 12.
The rotational axis line of main car frame 15 and front-wheel support 6 is as a line, and main car frame 15 is another line with the rotational axis line of rear wheel support 2, and bundle of planes front-wheel support 6 and rear wheel support 2 that these two lines are formed are divided into the left and right sides.Referring to a kind of connecting rod mechanism of accompanying drawing 9, a side (left side) pivotal joint of the rearward end of described connecting rod mechanism and rear wheel support 2, this pivotal joint place departs from the turning cylinder axle center of rear wheel support and main car frame left; Side (the same side of the leading section of described connecting rod mechanism and front-wheel support 6, also be the left side) pivotal joint, its pivotal joint place departs from the turning cylinder axle center of front-wheel support and main car frame left, and the rearward end of described connecting rod mechanism and leading section are positioned at the homonymy of three-wheel vehicle, all is the left side.
Referring to the another kind of connecting rod mechanism shown in accompanying drawing 2 and the accompanying drawing 3, described connecting rod mechanism comprises second connecting rod 4, the third connecting rod 5 of first connecting rod 3, middle part and main car frame 15 pivotal joints, the rearward end of described first connecting rod 3 is connected with a side (left side) phase pivot of rear wheel support 2, the leading section of first connecting rod 3 is connected with an end phase pivot of second connecting rod 4, the other end of second connecting rod 4 is connected with the rearward end phase pivot of third connecting rod 5, and the leading section of third connecting rod 5 is connected with opposite side (right side) phase pivot of front-wheel support 6.
Claims (6)
1, the three-wheel vehicle that a kind of available rear push-rod turns to, comprise main car frame [15], be arranged at the vehicle seat [10] on the main car frame [15], be arranged at the anterior of main car frame [15] and with the front-wheel support [6] of main car frame [15] pivotal joint, be arranged at the handgrip [14] on the front-wheel support [6], be arranged at the front-wheel [7] on the front-wheel support [6], be used to drive the driving step [9] that front-wheel [7] rotates, be arranged at the rear wheel support [2] at the rear portion of main car frame [15], be arranged at the trailing wheel [8] of the both sides of rear wheel support [2] respectively, be arranged at the rear push-rod [1] on the rear wheel support [2], it is characterized in that: described rear wheel support [2] and main car frame [15] pivotal joint, described rear wheel support [2] or rear push-rod [1] head lamp brush guard pivot are connected with the rear portion of connecting rod mechanism, and the front portion of this connecting rod mechanism is connected with front-wheel support [6] phase pivot; Described rear push-rod [1] is rotatably connected with rear wheel support [2], and described rear push-rod [1] has two kinds of mode of operations, and first mode of operation is the rear portion that rear push-rod [1] is erected in main car frame [15]; Second mode of operation is the below that rear push-rod [1] is turned to main car frame [15], and the front portion of rear push-rod [1] forms support to front-wheel [7] or front-wheel support [6], and the rear portion of rear push-rod [1] forms support to rear wheel support [2] or trailing wheel [8]; Described rear push-rod [1] is under second mode of operation, and rear push-rod [1] arches upward downwards.
2, the three-wheel vehicle that turns to of available rear push-rod according to claim 1, it is characterized in that: be provided with the rear wheel support rotary locking mechanism between described rear wheel support [2] and the main car frame [15], be under first mode of operation at rear push-rod [1], the release of described rear wheel support rotary locking mechanism, described rear wheel support this moment [2] is in the state that freely rotates with main car frame [15]; Be under second mode of operation at rear push-rod [1], described rear wheel support rotary locking mechanism locking, the rotation between described rear wheel support [2] and the main car frame [15] is locked at this moment.
3, the three-wheel vehicle that available rear push-rod according to claim 2 turns to, it is characterized in that: described rear wheel support rotary locking mechanism comprises the sleeve pipe [13] that is fixed on the main car frame [15], the dwang [22] that is inserted in sleeve pipe [13] inner chamber and is rotatably connected with sleeve pipe [13], described dwang [22] is fixed on the rear wheel support [2], described dwang [22] head lamp brush guard pivot is connected with locations [19], when rear push-rod [1] is in first mode of operation, perforate [24] on securing rod [25] the disengaging dwang [22] on the locations [19] and the perforate [23] on the sleeve pipe [13], when rear push-rod [1] is in second mode of operation, securing rod [25] on the locations [19] passes perforate [24] on the dwang [22] and [23] stage clips of perforate [21] on the sleeve pipe [13] withstand on the locations [19], makes securing rod [25] have to be tending towards inserting trend in perforate [24] and the perforate [23].
4, the three-wheel vehicle that available rear push-rod according to claim 3 turns to, it is characterized in that: going back pivotal joint on the described dwang [22] has locking piece [12], have locking draw-in groove [17] on the described locking piece [12], when rear push-rod [1] is in first mode of operation, singletree [11] on the rear push-rod [1] snaps in the described locking draw-in groove [17], and singletree [11] roof pressure locations [19] makes the release of rear wheel support rotary locking mechanism, also be with torsion spring [18] in the locations rotating shaft [18] of described locking piece [12], an end of this torsion spring [18] withstands on the locking piece [12].
5, the three-wheel vehicle that turns to of available rear push-rod according to claim 1 is characterized in that: a side pivotal joint of the rearward end of described connecting rod mechanism and rear wheel support [2], and this pivotal joint place departs from the turning cylinder axle center of rear wheel support and main car frame; One side pivotal joint of the leading section of described connecting rod mechanism and front-wheel support [6], its pivotal joint place departs from the turning cylinder axle center of front-wheel support and main car frame, and the rearward end of described connecting rod mechanism and leading section are positioned at the homonymy of three-wheel vehicle.
6, the three-wheel vehicle that available rear push-rod according to claim 1 turns to, it is characterized in that: described connecting rod mechanism comprises first connecting rod [3], the second connecting rod [4] of middle part and main car frame [15] pivotal joint, third connecting rod [5], the rearward end of described first connecting rod [3] is connected with a side phase pivot of rear wheel support [2], the leading section of first connecting rod [3] is connected with an end phase pivot of second connecting rod [4], the other end of second connecting rod [4] is connected with the rearward end phase pivot of third connecting rod [5], and the leading section of third connecting rod [5] is connected with the opposite side phase pivot of front-wheel support [6].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02258300 CN2574979Y (en) | 2002-11-04 | 2002-11-04 | Improved opening & closing structure for collapsible electric travelling cycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02258300 CN2574979Y (en) | 2002-11-04 | 2002-11-04 | Improved opening & closing structure for collapsible electric travelling cycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2574979Y true CN2574979Y (en) | 2003-09-24 |
Family
ID=33726060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02258300 Expired - Lifetime CN2574979Y (en) | 2002-11-04 | 2002-11-04 | Improved opening & closing structure for collapsible electric travelling cycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2574979Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102963410A (en) * | 2012-11-05 | 2013-03-13 | 昆山威凯儿童用品有限公司 | Front wheel steering mechanism for baby stroller |
-
2002
- 2002-11-04 CN CN 02258300 patent/CN2574979Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102963410A (en) * | 2012-11-05 | 2013-03-13 | 昆山威凯儿童用品有限公司 | Front wheel steering mechanism for baby stroller |
| CN102963410B (en) * | 2012-11-05 | 2015-06-03 | 昆山威凯儿童用品有限公司 | Front wheel steering mechanism for baby stroller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20121104 Granted publication date: 20030924 |