CN112977701A

CN112977701A - Wire-controlled longitudinal folding box and bicycle

Info

Publication number: CN112977701A
Application number: CN202110348462.2A
Authority: CN
Inventors: 李政; 李宇光
Original assignee: Zhejiang Deqing Jiusheng Vehicle Industry Co ltd
Current assignee: Zhejiang Deqing Jiusheng Vehicle Industry Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-06-18

Abstract

The invention relates to a wire-controlled longitudinal folding box and a bicycle, wherein the wire-controlled longitudinal folding box comprises a front folding box and a rear folding box, the front folding box and the rear folding box are hinged through a hinge mechanism arranged at the end parts of the front folding box and the rear folding box, the inner side surfaces of the front folding box and the rear folding box are sunken and jointly enclose to form an assembly chamber for accommodating a locking mechanism, the assembly chamber comprises a locking groove, the locking groove is arranged at the outer edge part of the front folding box and the rear folding box, and the locking mechanism: the fixing seat is fixedly connected to the front folding box and is positioned on the opposite side of the locking groove, a through hole is longitudinally arranged in the middle of the fixing seat, and a groove is transversely arranged; the movable rod penetrates through the through hole, and an axial blind hole is formed in the inner end of the movable rod along the axis direction; the blocking piece is embedded in the groove; the locking block is connected to the outer end of the movable rod and is matched and locked with the locking groove; the elastic piece is sleeved on the periphery of the movable rod and is limited between the fixing seat and the opposite inner side face of the locking block. Has the characteristics of simple structure, convenient operation, wear resistance and corrosion resistance.

Description

Wire-controlled longitudinal folding box and bicycle

Technical Field

The invention relates to the technical field of bicycles, in particular to a wire-controlled longitudinal folding box and a folding bicycle with the same.

Background

Folding bicycle receives more and more consumers' favor because of its small and exquisite pleasing to the eye, the characteristics that conveniently carry, mainly realize opening and shutting of frame through the folding box that welds to front and back frame connection position at present, including vertical folding and horizontal folding mode, wherein vertical folding mode is in the size after folding, and has outstanding advantage in horizontal folding mode in the aspect of the welding angle.

Referring to chinese patent document CN 110758622 a, a bicycle folder is disclosed, which comprises an upper folding box, a lower folding box, and a handle, wherein a shaft hole of the handle is sleeved on a shaft pin at a hinge part, and the handle is rotated to drive a locking block and a locking groove to move relatively. According to the technical scheme, the locking block is pushed forwards to lock the upper folding box and the lower folding box through the eccentric design of the quick folding handle, and during operation, both hands are required to move forwards and backwards simultaneously, so that folding is laborious; moreover, all parts on the action stroke are not fixedly connected, so that slow action and even failure are easily caused; in addition, the locking groove in the design is located the top of recess, has increased folding box's vertical height, and folding box surface design has the bulge, all is not favorable to maintaining the succinct atmosphere of automobile body outward appearance.

Reference can also be made to the folder for a folding bicycle frame disclosed in chinese patent document CN 201592753U, which has the disadvantages of complex structure, numerous parts in the action stroke, greatly increased failure risk, laborious operation and increased cost, and is difficult to match the requirement of mass production.

Disclosure of Invention

The invention aims to provide a wire-controlled longitudinal folding box which is simple in structure, convenient to operate, wear-resistant and corrosion-resistant.

The invention also aims to provide a bicycle comprising the wire-controlled longitudinal folding box.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a vertical folding box of line control, includes preceding folding box and back folding box, and the protruding a plurality of preceding axle beds that are equipped with of preceding folding box inner edge, the protruding a plurality of back axle beds that are equipped with of back folding box inner edge, preceding back axle bed interval distribution is articulated to the round pin axle of axle bed around running through the axial, and its characterized in that, the relative medial surface of front and back folding box is sunken and enclose jointly and close the assembly cavity that forms and be used for holding locking mechanism, the assembly cavity contains a locking groove, the outer fringe position of folding box of front and back is located to the locking groove, locking mechanism contains: the fixing seat is fixedly connected to the front folding box and positioned on the opposite side of the locking groove, a through hole is formed in the middle of the fixing seat along the length direction of the front folding box, a groove is formed in the through hole in a penetrating mode, a cylinder with a hollow inner part is convexly arranged on the back side of the fixing seat corresponding to the through hole, a bayonet which is axially penetrated through is formed in the end part, protruding out of the inner end of the through hole, of the cylinder along the radial direction, and the bayonet is communicated with the inner cavity of the; the movable rod penetrates through the through hole, an axial blind hole for a bicycle control line to extend into is formed in the inner end of the movable rod along the axis direction, and a radial blind hole which is communicated with the axial blind hole and is used for a fastener to penetrate into a locking control line is formed in the side part of the movable rod; the blocking piece is embedded in the groove to limit the movable rod to penetrate out of the through hole; the locking block is connected to the outer end of the movable rod and is matched and locked with the locking groove; the elastic piece is sleeved on the periphery of the movable rod and limited between the fixed seat and the opposite inner side surface of the locking block; the bicycle control wire penetrates through the connecting movable rod from the inner end of the through hole and drives the locking block to be separated from the locking groove, and the rear folding box is turned downwards relative to the front folding box along the hinged part to be opened while the elastic piece is compressed; and releasing the control wire to enable the elastic piece to push the locking block to be clamped in the locking groove.

Furthermore, a through hole is formed in the assembling surface of the front folding box, the through hole is T-shaped, the size of the transverse section of the through hole is larger than that of the end of the column body, and the size of the vertical section of the through hole is smaller than that of the end of the column body, so that the column body penetrates out of the transverse section of the through hole and abuts against the outer edge of the vertical section of the through hole. The perforation structure in the technical scheme is used for matching the assembly requirement of the fixed seat back side column body.

Furthermore, the locking groove comprises a front round-corner notch and a rear round-corner notch which are respectively arranged on the front folding box and the rear folding box, and the front round-corner notch and the rear round-corner notch are vertically aligned when the folding boxes are locked; the outer edge of the locking block is provided with a lower round corner bulge and an upper round corner bulge which are respectively matched and locked with the front round corner notch and the rear round corner notch.

Furthermore, the inner side surfaces of the upper round-corner bulges and the lower round-corner bulges are conical surfaces. The conical surface design among this technical scheme does benefit to the latch segment and breaks away from the locking groove fast for folding operation is more smooth and easy coherent.

Furthermore, the blocking piece comprises a copper shaft and a copper cap sleeved outside the copper shaft, and the inner end of the movable rod is limited on the copper cap. The copper cap in the technical scheme is used for avoiding direct contact friction with the pin shaft, so that abrasion of the stay wire is reduced, and the service life is prolonged.

Furthermore, the side face of the outer end of the movable rod is provided with threads, and the middle part of the inner side face of the locking block is provided with a threaded hole which is matched and screwed with the outer end of the movable rod.

Furthermore, the front and rear folding boxes are in a toilet shape, and the outer edge parts of the front and rear folding boxes are round corners. The outer edge of the folding box in the technical scheme has the same structure with the locking groove, and has compact structure and beautiful appearance.

Furthermore, the folding box material is the aluminum alloy. The folding box in the technical scheme has the characteristics of light weight, high connection strength, wear resistance and corrosion resistance.

The bicycle comprises a front frame and a rear frame, wherein the front frame is mounted on a front fork, and a seat tube is arranged on the rear frame.

Furthermore, the surface of the front frame is provided with an embedded stop bolt, a control wire penetrates through the embedded stop bolt and extends into the front frame shell, and then penetrates through the bayonet part of the fixing seat and extends into the folding box assembling cavity. The embedded stop bolt applied in the technical scheme is used for vehicle wiring, so that the appearance of the vehicle is simple and large.

The invention adopts the technical scheme and has the following beneficial effects: firstly, a wire control structure is innovatively adopted, an operating switch is positioned at the position of a bicycle handle, an operator can complete a series of folding actions more naturally and smoothly, and the user experience comfort is improved; secondly, thanks to the addition of the wire control structure, the quick-release structure can be removed, and a pin shaft with higher structural strength is used instead, so that the torque with higher strength of the vehicle body can be borne, and the service life of the folding box is prolonged; the movable rod is fixedly connected with the locking block and limited between the blocking piece and the locking groove, so that the connection is stable, the operation is convenient, fewer parts are arranged on the stroke, the corresponding abrasion is light, and the balance is obtained between the operation convenience and the connection stability; fourthly, adopt vertical folding mode, compare length and direction of height of horizontal folding mode after the frame is folding, all can have the reduction of certain degree, moreover, carry out welding process with the frame, can freely adjust welding angle according to frame design needs, realize the effective welding with the frame. Fourthly, the cylinder design can also match the locking groove and realize preventing slow-witted function except that the card that is used for the control line is gone into, specifically is in the installation, prevents the appearance of the directionality problem on installation such as positive and negative installation, can save the time of installation to a great extent.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a wire-controlled longitudinal folding box according to an embodiment of the present invention;

FIG. 2 is an exploded view of a wire-controlled longitudinally folded box according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a fixing base according to an embodiment of the invention;

FIG. 4 is a schematic structural view of a locking block according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of a movable bar according to an embodiment of the present invention;

fig. 6 is an assembly view of a wire-controlled longitudinal folding box according to an embodiment of the invention.

Detailed Description

In order to make the technical features, objects and effects of the present invention more clearly understood, a detailed description of embodiments of the present invention will be given below with reference to the accompanying drawings.

In the description of the present application, it is to be understood that the terms "central," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," "transverse," "longitudinal," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present invention.

It should be noted that the terms "first" and "second" are used herein for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 2, the wire-controlled longitudinal folding box provided by the present application, which is shaped like a toilet, includes a front folding box 10 and a rear folding box 20, the front and rear folding boxes are hinged by a hinge mechanism disposed at the end of the front and rear folding boxes, and the opposite inner sides of the front and rear folding boxes are recessed along a direction perpendicular to the corresponding inner sides and jointly enclose to form an assembly chamber for accommodating a locking mechanism. Specifically, the folding box is made of aluminum alloy, and has the characteristics of light weight, high connection strength, wear resistance and corrosion resistance.

The locking mechanism comprises a fixed seat 70, a movable rod 50, a blocking piece, a locking block 40 and an elastic piece 60.

Referring to fig. 3, the cross section of the fixing base 70 is convex, through-holes are formed in the fixing base 70 near the two ends of the wide portion, mounting holes are formed in the mounting surface of the front folding box 10 near the inner end corresponding to the through-holes, and screws are passed through the through-holes and the mounting holes to mount the fixing base on the mounting surface of the front folding box. A through hole 71 is arranged at the narrow part of the fixed seat 70 along the length direction of the front folding box, a groove 72 is vertically arranged by penetrating through the through hole, a hollow cylinder 73 is convexly arranged at the back side of the fixed seat 70 corresponding to the through hole, an axially-through bayonet 74 is radially arranged at the end part of the cylinder protruding out of the inner end of the through hole, and the bayonet 74 is communicated with the inner cavity of the cylinder. The bicycle control wire is embedded into the inner cavity of the column body through the bayonet, so that the bicycle control wire penetrates into the through hole, and wiring efficiency is improved. The assembling surface of the front folding box 10 is provided with a through hole 12, the through hole 12 is T-shaped, the size of the transverse section of the through hole is larger than that of the end part of the column body, and the size of the vertical section of the through hole is smaller than that of the end part of the column body. This structure is used for matching the assembly needs of the dorsal column body of fixing base, during the installation, firstly on the folding box assembly plane in the front, will the perforation horizontal section is released to the cylinder, and the adjustment the cylinder corresponds the vertical section setting of perforation, then along the preceding folding box length direction lapse downwards the fixing base, simultaneously the cylinder top surface with perforate vertical section outside along looks butt slide, until arrive at perforation edge after lock the fixing base in the interior distolateral side of folding box in the front. Therefore, the cylinder design can be matched with the locking groove to realize the fool-proof function except for the clamping of the control line, and in the installation process, the occurrence of the directional problems in installation such as positive and negative installation is prevented, and the installation time can be saved to a great extent.

Referring to fig. 5, the movable rod 50 movably penetrates through the through hole 71, an axial blind hole 51 for a bicycle control line to extend into is formed in the inner end of the movable rod along the axial direction, and a radial blind hole 52 for a fastener to penetrate into the locking control line is formed in the side portion of the movable rod and is communicated with the axial blind hole 51. In this embodiment, the locking means may be a screw passing through the radial blind hole 52, and the end of the screw extending into the radial blind hole abuts against the control line; the locking mode can also be a tight fit locking mode or a clamping locking mode.

The blocking piece comprises a copper shaft 90 and a copper cap 80 sleeved outside the copper shaft, the copper shaft 90 and the copper cap 80 are combined and embedded into the groove 72, the copper cap 80 is installed corresponding to the through hole 71, and the inner end of the movable rod 50 is limited on the copper cap 80. The copper cap in the embodiment is used for avoiding direct contact friction with the pin shaft, so that the abrasion of the stay wire is reduced, and the service life is prolonged.

Referring to fig. 4, a threaded hole 43 is formed in the middle of the inner side surface of the locking block 40, threads are lathed on the side surface of the outer end of the movable rod, and the movable rod 50 is screwed into the threaded hole to be fixed thereto. The assembly chamber comprises a locking groove, the locking groove is arranged at the outer edge part of the front and rear folding boxes, the locking groove comprises a front round-corner notch 13 and a rear round-corner notch 22 which are respectively arranged on the front and rear folding boxes, and the front and rear round-corner notches 13 are vertically aligned when the folding boxes are locked; the outer edge of the locking block 40 is provided with a lower round-corner bulge 42 and an upper round-corner bulge 41 which are respectively matched and locked with the front round-corner notch and the rear round-corner notch. Preferably, the opposite inner sides of the upper rounded protrusion 41 and the lower rounded protrusion 42 are tapered surfaces. The conical surface design in the embodiment is beneficial to the locking block to be quickly separated from the locking groove, so that the folding operation is smoother and more consistent. The locking groove assembly cavity bottom surface parallel and level in the embodiment of the application is favorable for reducing the longitudinal height of the folding box, so that the outer shape is small and exquisite and attractive, and the requirements of consumers are met.

The elastic member 60 is sleeved on the periphery of the movable rod 50, and two ends of the elastic member 60 are limited between the fixing seat 70 and the opposite inner side surfaces of the locking block 40.

The hinge mechanism comprises a plurality of front shaft seats 11 convexly arranged at the inner end edge of the front folding box 10, a plurality of rear shaft seats 21 convexly arranged at the inner end edge of the rear folding box 20, and the front shaft seats and the rear shaft seats are distributed at intervals on the same straight line and are hinged through a pin shaft 30 which axially penetrates through the front shaft seats and the rear shaft seats. In this embodiment, because the design of drive-by-wire structure, can remove quick detach structure, trade the round pin axle that structural strength is bigger to can bear the moment of torsion of the great intensity of automobile body, prolong the life of folding box.

The wire-controlled longitudinal folding box of the invention has the following routing path: the bicycle control line is clamped into the inner cavity of the cylinder from the bayonet at the side part of the cylinder, which is positioned outside the assembling cavity of the folding box and communicated with the inner cavity of the bicycle frame, and then sequentially penetrates into the axial blind holes 51 at the inner ends of the through holes and the movable rod and is locked by the fasteners penetrating through the radial blind holes. The working principle of the wire-controlled longitudinal folding box of the invention is as follows: an operator pulls the control line through a handlebar, the control line is connected with the movable rod 50 and simultaneously drives the locking block 40 to be separated from the locking groove, and when the elastic piece 60 is compressed, the connecting part of the front folding box 10 of the rear folding box 20 is turned downwards and opened; the operator releases the control wire and the resilient member 60 urges the locking block 40 to clamp into the locking groove.

Referring to fig. 6, the present invention further provides a bicycle, which includes a front frame 2 and a rear frame 3, wherein the front frame is mounted on the front fork 1, the rear frame is provided with a seat tube 4, and the front frame 2 and the rear frame 3 are connected by the wire-controlled longitudinal folding box. In order to improve the simple appearance of the vehicle, the surface of the front frame is provided with an embedded stop bolt 5, a control wire penetrates into the front frame shell from the embedded stop bolt, and then penetrates into the folding box assembling cavity from the bayonet part of the fixing seat. Since the wire-controlled longitudinal folding box is adopted in this embodiment, all the aforementioned advantages should be at least included, and are not described in detail herein.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

It should be appreciated by those of skill in the art that while the present invention has been described in terms of several embodiments, not every embodiment includes only a single embodiment. The description is given for clearness of understanding only, and it is to be understood that all matters in the embodiments are to be interpreted as including technical equivalents which are related to the embodiments and which are combined with each other to illustrate the scope of the present invention.

Claims

1. The utility model provides a vertical folding box of line control, includes preceding folding box (10) and back folding box (20), and the protruding a plurality of front axle seats (11) that are equipped with of preceding folding box inner edge, and the protruding a plurality of rear axle seats (21) that are equipped with of back folding box inner edge, preceding rear axle seat interval distribution is to on the same straight line, and round pin axle (30) of axle bed are articulated around running through the axial, and its characterized in that, the relative medial surface of front and back folding box is sunken and enclose jointly and close the assembly cavity who forms and be used for holding locking mechanism, the assembly cavity contains a locking groove, the outer fringe position of folding box of front and back is located to the locking groove, locking mechanism:

the fixing seat (70) is fixedly connected to the front folding box (10) and located on the opposite side of the locking groove, a through hole (71) is formed in the middle of the fixing seat (70) along the length direction of the front folding box, a groove (72) is formed in the middle of the fixing seat and penetrates through the through hole, a hollow cylinder (73) is convexly arranged on the back side of the fixing seat (70) corresponding to the through hole, an axially-through bayonet (74) is formed in the end portion, protruding out of the inner end of the through hole, of the cylinder along the radial direction, and the bayonet is communicated with the;

the movable rod (50) penetrates through the through hole (71), an axial blind hole (51) for a bicycle control line to extend into is formed in the inner end of the movable rod along the axis direction, and a radial blind hole (52) which is communicated with the axial blind hole and is used for a fastener to penetrate into a locking control line is formed in the side part of the movable rod;

the blocking piece is embedded in the groove (72) to limit the movable rod (50) to penetrate out of the through hole (71);

the locking block (40) is connected to the outer end of the movable rod and is matched and locked with the locking groove;

the elastic piece (60) is sleeved on the periphery of the movable rod and is limited between the fixed seat (70) and the opposite inner side surface of the locking block (40);

wherein, a bicycle control wire penetrates through the inner end of the through hole to be connected with the movable rod (50) and simultaneously drives the locking block (40) to be separated from the locking groove, and the rear folding box (20) is turned downwards relative to the front folding box (10) along the hinged part to be opened while compressing the elastic piece (60); the control line is released so that the resilient member (60) urges the locking block (40) to clamp into the locking groove.

2. A wire-controlled longitudinally folding carton as claimed in claim 1, wherein the front folding carton (10) has a through hole (12) on the mounting surface, the through hole (12) is T-shaped, the transverse section of the through hole has a size larger than the end of the column, and the vertical section of the through hole has a size smaller than the end of the column, so that the column extends out of the transverse section of the through hole and abuts against the outer edge of the vertical section of the through hole.

3. A wire-controlled longitudinal folding carton according to claim 1, wherein said locking slots comprise a front rounded notch (13) and a rear rounded notch (22) respectively provided in the front and rear folding carton, the front and rear rounded notches being vertically aligned when the folding carton is locked;

the outer edge of the locking block is provided with a lower round corner bulge (42) and an upper round corner bulge (41) which are respectively matched and locked with the front round corner notch and the rear round corner notch.

4. A wire-actuated longitudinal folding carton according to claim 3, characterized in that the opposite inner sides of said upper rounded protrusion (41) and said lower rounded protrusion (42) are tapered.

5. A wire-controlled longitudinal folding box according to claim 1, wherein said blocking member comprises a copper shaft (90) and a copper cap (80) sleeved outside the copper shaft, and the inner end of said movable rod is limited to the copper cap (80).

6. A wire-controlled longitudinal folding box according to claim 1, wherein the lateral surface of the outer end of the movable rod is threaded, and the middle part of the inner lateral surface of the locking block is provided with a threaded hole (43) which is matched and screwed with the outer end of the movable rod.

7. A line controlled longitudinally folding carton as claimed in claim 1, wherein the front and rear folding cartons are constructed in a toilet bowl shape with rounded peripheral portions.

8. A wire-controlled longitudinal folding carton according to claim 1, wherein the folding carton is made of aluminum alloy.

9. Bicycle comprising a front frame (2) mounted to a front fork (1) and a rear frame (3) provided with a seat tube (4), characterized in that said front frame (2) and rear frame (3) are connected by a wire-controlled longitudinal folding box according to any of the previous claims.

10. A bicycle according to claim 9, characterized in that the front frame surface is provided with a buried stop (5), from which the control wire extends into the front frame shell and from the bayonet part of the fixing seat into the folding box assembly chamber.