CN216467601U

CN216467601U - Vehicle carrying frame and vehicle body limiting mechanism thereof

Info

Publication number: CN216467601U
Application number: CN202122923381.9U
Authority: CN
Inventors: 黄诗雅
Original assignee: Youda Innovation Co ltd
Current assignee: Youda Innovation Co ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-05-10
Anticipated expiration: 2031-11-25

Abstract

The utility model relates to a carriage frame and a carriage body limiting mechanism thereof, wherein the carriage body limiting mechanism is arranged on a vertical rod of the carriage frame and comprises: a base and a handle. The base is provided to the upright rod and comprises a sleeving part, and the sleeving part defines an axial direction. The handle piece is arranged on the sleeving part in an adjustable and positioned manner, and can rotate between a limiting position and a releasing position relative to the base by taking the axial direction as a shaft; wherein, one of the base and the handle is provided with a first guide connection part, the other one is provided with a second guide connection part which can be relatively movably connected with the first guide connection part, and relative to a bottom surface of the base, the first guide connection part has at least two different heights in the axial direction; when the handle rotates relative to the base, the second guide connection part moves relative to the first guide connection part and drives the handle to move relative to the base along the axial direction. The utility model has simple structure and is convenient to operate and adjust so as to be beneficial to the assembly and disassembly of a bicycle.

Description

Vehicle carrying frame and vehicle body limiting mechanism thereof

Technical Field

The present invention relates to a vehicle body position-limiting mechanism, and more particularly to a carriage frame and a vehicle body position-limiting mechanism thereof.

Background

The conventional bicycle carrier includes a main frame for connecting to a vehicle, a supporting frame connected to the main frame for supporting at least one bicycle, and a vertical rod transversely disposed on the main frame, wherein the vertical rod may be provided with a limiting member such as a belt or a hook for fixing the frame of the bicycle, thereby increasing the stability of the loading.

However, the conventional limiting member can only slide relative to the upright rod to adjust the height, and cannot rotate relative to the upright rod, and the limiting member and the upright rod are easy to interfere with each other when the bicycle is assembled and disassembled.

Therefore, it is necessary to provide a novel and advanced carriage frame and a vehicle body limiting mechanism thereof to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a bicycle carrying frame and a bicycle body limiting mechanism thereof, which have simple structure and are convenient to operate and adjust so as to be beneficial to the assembly and disassembly of a bicycle.

To achieve the above object, the present invention provides a vehicle body limiting mechanism for a vertical rod of a carriage frame, comprising: a base and a handle. The base is provided to the upright rod and comprises a sleeving part, and the sleeving part defines an axial direction. The handle piece is arranged on the sleeving part in an adjustable and positioned manner, and can rotate between a limiting position and a releasing position relative to the base by taking the axial direction as a shaft; wherein, one of the base and the handle is provided with a first guide connection part, the other one is provided with a second guide connection part which can be relatively movably connected with the first guide connection part, and relative to a bottom surface of the base, the first guide connection part has at least two different heights in the axial direction; when the handle rotates relative to the base, the second guide connection part moves relative to the first guide connection part and drives the handle to move relative to the base along the axial direction.

Preferably, the first guiding connection portion includes an arc groove extending in an arc curve, the arc groove includes a first end portion and a second end portion, and the first end portion is higher than the second end portion in the axial direction relative to the bottom surface.

Preferably, an arc opening of the arc groove is open to a side of the axial direction adjacent to the bottom surface.

Preferably, the second guide connecting part comprises at least one guide protrusion movable in the arc groove, and when the at least one guide protrusion is located at the first end part, the handle part is located at the limiting position; when the at least one guide protrusion is located at the second end, the handle member is located at the release position.

Preferably, the base further comprises a first engaging portion, and the handle further comprises a second engaging portion releasably engaged with the first engaging portion; when the first clamping part and the second clamping part are clamped, the base and the handle piece can not move relatively; when the first clamping part and the second clamping part are released, the base and the handle part can move relatively.

Preferably, the first engaging portion is disposed on the engaging portion and includes at least one engaging protrusion capable of radially retracting, the second engaging portion includes at least one engaging recess recessed from an outer wall surface of the handle, and the at least one engaging protrusion is engaged with the at least one engaging recess.

Preferably, the operating device further comprises an operating component capable of actuating the first clamping portion, wherein the operating component comprises an operating part which can be operated externally and is connected with the first clamping portion, a sleeve body sleeved with the operating part, and an elastic part, the sleeve body is arranged on the sleeved portion in a non-movable manner, and the elastic part elastically abuts between the sleeve body and one of the operating part and the first clamping portion.

Preferably, the base further includes a seat portion for being sleeved on the upright rod, the sleeved portion includes a barrel body and at least one flange extending radially from the barrel body and connected to the seat portion, and the handle member is rotatably inserted into the barrel body.

Preferably, the first guide connection part comprises an arc groove extending in an arc curve, the arc groove penetrates through the cylinder body and comprises a first end part and a second end part, and the first end part is higher than the second end part relative to the axial direction; an arc opening of the arc groove is opened towards one side of the axial direction adjacent to the bottom surface; the first end part and the second end part are respectively provided with an abutting surface, and each abutting surface can abut against the second guide connecting part in the length extending direction of the arc groove; the second guide connecting part comprises at least one guide protrusion which can move in the arc groove, and the at least one guide protrusion is detachably arranged on the peripheral wall of the handle part in a protruding mode; when the at least one guide protrusion is located at the first end, the handle member is located at the limiting position; when the at least one guide protrusion is located at the second end, the handle member is located at the release position; the first clamping part is arranged on the sleeve joint part and comprises at least one clamping protrusion capable of radially retreating, the second clamping part comprises at least one clamping groove concavely arranged on the outer wall surface of the handle part, and the at least one clamping protrusion can be correspondingly clamped in the at least one clamping groove; the at least one clamping protrusion is a pin piece penetrating through the sleeve body, and the pin piece is connected with the operating piece in a mode of not relatively moving; the at least one clamping recess is a limiting hole; when the handle part is positioned at the limiting position, the pin part is clamped in the limiting hole; the base also comprises a seat part sleeved on the upright rod, the sleeved part comprises a cylinder body and two flanges which extend radially from the cylinder body and are connected with the seat part, and the handle part is rotatably inserted in the cylinder body; each flange is provided with a trapezoidal outer contour gradually expanding towards the seat part; the seat part and the sleeve joint part are a single component which is integrally formed; the sleeve body comprises a threaded section and a polygonal section, the threaded section is in threaded connection with the threaded hole, and the operating piece can be relatively axially moved and can not be relatively rotatably sleeved on the polygonal section; in the axial direction, the height of the screw hole is lower than that of the first end part; the elastic piece is elastically propped between the first clamping part and the sleeve body; and the arc groove is dislocated with the operating component when viewed along the axial direction.

To achieve the above object, the present invention further provides a carriage frame, comprising at least one vehicle body limiting mechanism as described above, further comprising: and the handle part of each vehicle body limiting mechanism is used for limiting the at least one bicycle.

The utility model has the advantages that:

the bicycle carrying frame and the bicycle body limiting mechanism thereof have simple structure and are convenient to operate and adjust so as to be beneficial to the assembly and disassembly of a bicycle.

Drawings

FIG. 1 is a perspective view of a handle member in a restrained position in accordance with a preferred embodiment of the present invention.

FIG. 2 is a partially exploded view of a preferred embodiment of the present invention.

Fig. 3 is a perspective view of a base according to a preferred embodiment of the utility model.

FIG. 4 is an operation diagram of a preferred embodiment of the present invention.

Fig. 5 is a cross-sectional view illustrating a first engaging portion and a second engaging portion of a preferred embodiment of the utility model when they are released.

Fig. 6 and 7 are schematic views illustrating the operation of a preferred embodiment of the present invention.

Fig. 8 is a partially enlarged view of fig. 6.

Detailed Description

The following description is given by way of example only, and is not intended to limit the scope of the utility model.

Referring to fig. 1 to 8, which show a preferred embodiment of the present invention, a vehicle body limiting mechanism 1 provided on an upright 210 of a carriage frame 2 of the present invention includes: a base 10 and a handle 20.

The base 10 is disposed on the vertical rod 210 and includes a socket 11, and the socket 11 defines an axial direction a. The handle 20 is adjustably positioned in the engaging portion 11, and the handle 20 can rotate between a limiting position and a releasing position relative to the base 10 about the axial direction a; wherein, one of the base 10 and the handle 20 is provided with a first guiding connection portion 12, the other one is provided with a second guiding connection portion 21 connected with the first guiding connection portion 12 in a relatively movable manner, and the first guiding connection portion 12 has at least two different heights in the axial direction a relative to a bottom surface 13 of the base 10; when the handle member 20 rotates relative to the base 10, the second guide connection portion 21 moves relative to the first guide connection portion 12 and drives the handle member 20 to move along the axial direction a relative to the base 10, so as to facilitate operation and adjustment for facilitating assembly and disassembly of a bicycle 3.

The base 10 further includes a seat 14 for being sleeved on the upright rod 210, the sleeved portion 11 includes a barrel 111 and at least one flange 112 extending radially from the barrel 111 and connected to the seat 14, and the handle member 20 is rotatably inserted into the barrel 111, so as to facilitate processing and assembling and facilitate light weight. In this embodiment, the seat 14 and the socket 11 are integrally formed as a single component; the socket 11 includes two flanges 112, each of the flanges 112 extends radially from the barrel 111 and has a trapezoidal outer contour gradually extending toward the seat 14, so that the structural strength is good and the flange is not easy to deform. In other embodiments, the seat portion and the socket portion may not be integrally formed; each flange may also have a circular, rectangular or any other shaped outer profile; the flanges can also be connected between the barrel 111 and the seat 14 by clamping, welding, or other methods.

One of the first and second guiding

parts

12 and 21 includes at least one guiding recess, and the other includes at least one guiding protrusion corresponding to the at least one guiding recess, so as to provide guiding and positioning effects. In this embodiment, the first guiding connection portion 12 includes an arc groove 121 extending in an arc shape, the arc groove 121 is disposed through the barrel 111 and includes a first end portion 122 and a second end portion 123, and the first end portion 122 is higher than the second end portion 123 in the axial direction a relative to the bottom surface 13; the second guiding portion 21 includes at least one guiding protrusion 211 movable in the arc groove 121, and the at least one guiding protrusion 211 is detachably protruded on the outer peripheral wall of the handle member 20, so that the structure is simple and the processing is convenient. The first end portion 122 and the second end portion 123 are respectively provided with an

abutting surface

122a,123a, and each

abutting surface

122a,123a can abut against the second guiding portion 21 in a length extending direction of the arc groove 121, so as to avoid excessive pivoting of the handle member 20, and the positioning effect is good. The handle member 20 further includes a hook portion 22, when the at least one guide protrusion 211 is located at the first end portion 122, the handle member 20 is located at the limiting position, and the hook portion 22 is used for limiting a rod of the bicycle 3, as shown in fig. 7 and 8; when the at least one guide protrusion 211 is located at the second end 123, the handle member 20 is located at the release position, so as to prevent the hook 22 from interfering with the bicycle 3 for easy assembly and disassembly, as shown in fig. 1 and 6. Therefore, when the handle 20 rotates relative to the base 10, the first guide connection portion 12 and the second guide connection portion 21 can simultaneously guide the handle 20 to move up and down along the axial direction a relative to the base 10, so that the hook portion 22 is convenient to clamp or separate from the rod, and the operation convenience is good. Preferably, an arc opening 124 of the arc groove 121 is opened toward a side of the axial direction a adjacent to the bottom surface 13, so that when the hook 22 does not interfere with the rod, the handle 20 automatically swings to the release position under the guidance of gravity and the arc groove 121, thereby facilitating the loading and unloading of the bicycle 3. However, the arc groove can be arranged at other positions of the base or on the handle piece; the first guiding portion can be, for example but not limited to, a straight groove, an inclined groove, a multi-curvature arc groove, a groove connected by turns, etc.; the first end portion may also be lower than the second end portion.

Preferably, the base 10 further includes a first latching portion 15, and the handle 20 further includes a second latching portion 23 releasably latching with the first latching portion 15 to prevent the handle 20 from being displaced arbitrarily. When the first engaging portion 15 engages with the second engaging portion 23, the base 10 and the handle 20 cannot move relatively, as shown in fig. 4; when the first engaging portion 15 and the second engaging portion 23 are released, the base 10 and the handle 20 can move relatively, as shown in fig. 5. In detail, the first engaging portion 15 is disposed on the engaging portion 11 and includes at least one engaging protrusion 151 capable of radially retracting, the second engaging portion 23 includes at least one engaging recess 231 recessed on the outer wall of the handle 20, and the at least one engaging protrusion 151 is correspondingly engaged with the at least one engaging recess 231. It should be noted that, in the present embodiment, the first engaging portion 15 and the second engaging portion 23 can limit the rotation and the axial movement of the handle 20 relative to the base 10; in other embodiments, the rotation and axial movement of the handle relative to the base can be limited by two independent limiting mechanisms.

In this embodiment, the vehicle body limiting mechanism 1 further includes an operating component 30 capable of actuating the first detent portion 15, the operating component 30 includes an operating element 31 capable of being operated externally and connected to the first detent portion 15, a sleeve 32 sleeved with the operating element 31, and an elastic element 33, the sleeve 32 is disposed on the sleeved portion 11 in a non-movable manner, and the elastic element 33 is elastically abutted between the sleeve 32 and one of the operating element 31 and the first detent portion 15, so that the first detent portion 15 tends to move toward the second detent portion 23. In this embodiment, the elastic element 33 is elastically pressed between the first engaging portion 15 and the sheath 32; the at least one locking protrusion 151 is a pin member passing through the sheath 32, and the pin member is connected to the operating member 31 in a manner of being unable to move relatively; the at least one locking recess 231 is a limiting hole; when the handle 20 is located at the limiting position, the pin is clamped in the limiting hole, the pin can be released from the limiting hole by pulling the operating part 31, and the pin is simple in structure, convenient to operate and stable in clamping. In addition, when the handle 20 rotates from the releasing position to the limiting position, the pin corresponds to the limiting hole and can be pushed by the elastic member 33 to be automatically clamped. In other embodiments, the handle member may further have a plurality of spaced-apart position-limiting holes, and the pin member may be engaged with one of the position-limiting holes to be positioned when the handle member is located at the release position; the first and second locking parts can be, for example but not limited to, a pin and a hole, a steel ball and a concave, a ratchet and a ratchet, etc. which can be adjusted and positioned with each other, so that the handle can be adjusted and positioned in a multi-stage manner.

In detail, the engaging portion 11 radially penetrates a screw hole 113 communicating with the inside of the barrel 111, the sleeve 32 includes a threaded section 321 screwed in the screw hole 113 and a polygonal section 322 connected to the threaded section 321, the operating member 31 is axially movable and non-rotatably engaged with the polygonal section 322, and the operating member 30 can be assembled and disassembled by rotating the operating member 31. Preferably, in the axial direction a, the height of the screw hole 113 is lower than that of the first end portion 122, so that the clamping stability is better; the arc groove 121 is offset from the operating element 30 when viewed along the axial direction A, thereby increasing the space for installation and facilitating the operation. However, the operating component can also be matched with the screw hole through the structure of the knob, and the effect of clamping and releasing can also be achieved through screwing the knob into or out of the screw hole relatively to move the pin piece relative to the limiting hole.

The present invention further provides a carriage 2, which comprises at least one vehicle body limiting mechanism 1 as described above, and further comprises: a frame body 220, which is provided with the upright rod 210 and is used for supporting at least one bicycle 3, and the handle member 20 of each body limiting mechanism 1 is used for limiting one bicycle 3. Preferably, the base 10 is slidably disposed on the upright 210; the base 10 includes a first clamping portion, and the vertical rod 210 includes a second clamping portion capable of clamping with the first clamping portion, so as to adjust and position. Preferably, the first engaging portion and the sleeve portion 11 are disposed on different sides of the seat portion 14 for convenient configuration and operation.

The above description is of the preferred embodiment of the present invention and the technical principle applied thereto, and it will be apparent to those skilled in the art that any equivalent changes, simple substitutions and other obvious changes based on the technical solution of the present invention can be made without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a car body stop gear, supplies to locate a pole setting of carrying the frame, its characterized in that includes:

a base, which is arranged on the upright pole and comprises a sleeving part, wherein the sleeving part defines an axial direction; and

a handle piece which is arranged on the sleeve joint part in an adjustable and positioned way and can rotate between a limiting position and a releasing position relative to the base by taking the axial direction as a shaft;

wherein, one of the base and the handle is provided with a first guide connection part, the other one is provided with a second guide connection part which can be relatively movably connected with the first guide connection part, and relative to a bottom surface of the base, the first guide connection part has at least two different heights in the axial direction; when the handle rotates relative to the base, the second guide connection part moves relative to the first guide connection part and drives the handle to move relative to the base along the axial direction.

2. The vehicle body limiting mechanism according to claim 1, wherein the first guide portion includes an arc groove extending in an arc shape, the arc groove includes a first end portion and a second end portion, and the first end portion is higher than the second end portion in the axial direction with respect to the bottom surface.

3. The vehicle body limiting mechanism according to claim 2, wherein an arc opening of the arc groove is open to a side of the bottom surface adjacent to the axial direction.

4. The vehicle body limiting mechanism according to claim 2, wherein the second guiding portion comprises at least one guiding protrusion movable in the arc groove, and when the at least one guiding protrusion is located at the first end portion, the handle member is located at the limiting position; when the at least one guide protrusion is located at the second end, the handle member is located at the release position.

5. The vehicle body limiting mechanism as defined in claim 1, wherein the base further comprises a first engaging portion, and the handle further comprises a second engaging portion releasably engaged with the first engaging portion; when the first clamping part and the second clamping part are clamped, the base and the handle piece can not move relatively; when the first clamping part and the second clamping part are released, the base and the handle part can move relatively.

6. The vehicle body limiting mechanism according to claim 5, wherein the first engaging portion is disposed on the engaging portion and includes at least one engaging protrusion capable of radially retracting, the second engaging portion includes at least one engaging recess recessed on an outer wall surface of the handle member, and the at least one engaging protrusion is engaged with the at least one engaging recess.

7. The vehicle body limiting mechanism according to claim 5, further comprising an operating component capable of actuating the first detent portion, wherein the operating component comprises an operating member capable of being operated externally and connected to the first detent portion, a sleeve body sleeved with the operating member, and an elastic member, the sleeve body is immovably disposed in the sleeved portion, and the elastic member elastically abuts between the sleeve body and one of the operating member and the first detent portion.

8. The vehicle body limiting mechanism as defined in claim 1, wherein the base further comprises a seat portion for being sleeved on the upright, the sleeved portion comprises a barrel and at least one flange extending radially from the barrel and connected to the seat portion, and the handle member is rotatably inserted into the barrel.

9. The vehicle body limiting mechanism according to claim 7, wherein the first guiding connection portion comprises an arc groove extending in an arc curve, the arc groove penetrates through the cylinder body and comprises a first end portion and a second end portion, and the first end portion is higher than the second end portion relative to the axial direction; an arc opening of the arc groove is opened towards one side of the axial direction adjacent to the bottom surface; the first end part and the second end part are respectively provided with an abutting surface, and each abutting surface can abut against the second guide connecting part in the length extending direction of the arc groove; the second guide connecting part comprises at least one guide protrusion which can move in the arc groove, and the at least one guide protrusion is detachably arranged on the peripheral wall of the handle part in a protruding mode; when the at least one guide protrusion is located at the first end, the handle member is located at the limiting position; when the at least one guide protrusion is located at the second end portion, the handle member is located at the release position; the first clamping part is arranged on the sleeve joint part and comprises at least one clamping protrusion capable of radially retreating, the second clamping part comprises at least one clamping groove concavely arranged on the outer wall surface of the handle part, and the at least one clamping protrusion can be correspondingly clamped in the at least one clamping groove; the at least one clamping protrusion is a pin piece penetrating through the sleeve body, and the pin piece is connected with the operating piece in a mode of not relatively moving; the at least one clamping recess is a limiting hole; when the handle part is positioned at the limiting position, the pin part is clamped in the limiting hole; the base also comprises a seat part sleeved on the upright rod, the sleeved part comprises a cylinder body and two flanges which extend radially from the cylinder body and are connected with the seat part, and the handle part is rotatably inserted in the cylinder body; each flange is provided with a trapezoidal outer contour gradually expanding towards the seat part; the seat part and the sleeve joint part are a single component which is integrally formed; the sleeve body comprises a threaded section and a polygonal section, the threaded section is in threaded connection with the threaded hole, and the operating piece can be relatively axially moved and can not be relatively rotatably sleeved on the polygonal section; in the axial direction, the height of the screw hole is lower than that of the first end part; the elastic piece is elastically propped between the first clamping part and the sleeve body; and the arc groove is dislocated with the operating component viewed along the axial direction.

10. A carriage comprising at least one body restraint mechanism as claimed in any one of claims 1 to 9, further comprising:

and the handle part of each vehicle body limiting mechanism is used for limiting the at least one bicycle.