CN211765278U

CN211765278U - Tire hydraulic locking and unfolding device of vehicle-mounted bicycle frame

Info

Publication number: CN211765278U
Application number: CN201922433769.3U
Authority: CN
Inventors: 张勇
Original assignee: Ningbo Quark Automotive Articles Co ltd
Current assignee: Ningbo Quark Automotive Articles Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-10-27
Anticipated expiration: 2029-12-30

Abstract

The utility model relates to a tire hydraulic pressure locking expansion device of on-vehicle bicycle frame, including outer tube connecting piece, hydraulic stem, inner tube and outer tube, outer tube one end install outer tube connecting piece, this outer tube other end rotates and installs the lock sleeve, the outer tube in slidable mounting have an inner tube, install the hydraulic stem that links to each other with outer tube connecting piece in this inner tube, inner tube one end stretch out the outer tube and install inner tube connecting piece, the lateral wall of inner tube arranged the rack along the axial, lock sleeve internally mounted have tooth claw and reset spring who detains mutually with the rack, when pressing the lock sleeve, tooth claw can break away from the rack that detains mutually, when loosening the lock sleeve, reset spring resets for the tooth claw detains the rack. The utility model discloses an adjusting rack chucking position can multi-angle rotating, is applicable to different scenes, easy operation, convenient laborsaving.

Description

Tire hydraulic locking and unfolding device of vehicle-mounted bicycle frame

Technical Field

The utility model relates to a vehicle-mounted bicycle frame technical field especially relates to a vehicle-mounted bicycle frame's tire hydraulic pressure locking expandes device.

Background

At present, with the progress and development of society, environmental awareness and fitness concept are more and more popularized, green travel is generally accepted by the general public, bicycles are taken as common sports equipment for outdoor travel and leisure and entertainment, the transportation tool for green travel is accepted by most people, in order to carry the bicycles to a proper activity place, a part of bicycle enthusiasts can use the past riding method, but for some places far away, most bicycle enthusiasts can choose to ride the bicycles after driving to the activity place, however, the leisure travel or sports outside the bicycle often has more accompanying luggage, the internal space of the bicycle is narrow and cannot accommodate too many accompanying articles, and therefore the installation of the vehicle-mounted bicycle frame is beneficial to solving the problem.

The tire brackets of the conventional vehicle-mounted bicycle frame are unfolded manually without any auxiliary equipment, so that the degree of automation is low.

Disclosure of Invention

The utility model aims to solve the technical problem that a tire hydraulic pressure locking expansion device of on-vehicle bicycle frame is provided, through adjusting rack chucking position, can multi-angle rotating, be applicable to different scenes, easy operation, convenient laborsaving.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a tire hydraulic pressure locking expansion device of on-vehicle bicycle frame, includes outer tube connecting piece, hydraulic stem, inner tube and outer tube, outer tube one end install outer tube connecting piece, this outer tube other end rotates and installs the lock sleeve, the outer tube in slidable mounting have an inner tube, install the hydraulic stem that links to each other with outer tube connecting piece in this inner tube, inner tube one end stretch out the outer tube and install inner tube connecting piece, the lateral wall of inner tube arranged the rack along the axial, lock sleeve internally mounted have tooth claw and reset spring who detains mutually with the rack, when pressing the lock sleeve, tooth claw can break away from the rack of detaining mutually, when loosening the lock sleeve, reset spring resets for the tooth claw detains the rack.

As right technical scheme a supplementary of the utility model, hydraulic stem one end and outer tube connecting piece between adopt threaded connection.

As right technical scheme a supplement, the inner tube lateral wall arranged rectangular form inner groovy along the axial, the rack install in rectangular form inner groovy and through screw locking.

As right technical scheme a supplement, the outer tube other end install the fixing base, it is connected with the lock sleeve to rotate on this fixing base.

As right technical scheme a supplement, the inner tube lateral wall arranged the slide rail of indent along the axial, the fixing base on be provided with the bellying that stretches into in the slide rail.

As right technical scheme a supplement, outer tube connecting piece and inner tube connecting piece in all install rolling bearing.

As a supplement to the technical scheme of the utility model, its opening part of one end of outer tube installation lock sleeve install the bush.

As a supplement to the technical scheme of the utility model, reset spring be the torsional spring.

It is right as technical scheme's a supplement, its lateral wall of one end of outer tube installation lock sleeve on open and to have positioning hole, lock sleeve internally mounted have with positioning hole mutually the locking hook of detaining, when pressing down the lock sleeve, the locking hook can break away from mutually the positioning hole who detains, when loosening the lock sleeve, reset spring resets for positioning hole is detained to the locking hook.

Has the advantages that: the utility model relates to a tire hydraulic pressure locking expansion device of on-vehicle bicycle frame presses the lock sleeve, and tooth claw and locking hook bounce out, and the hydraulic stem is release at the uniform velocity for the outer tube is stretched out gradually to the inner tube, loosens the lock sleeve, and tooth claw can the chucking rack, thereby fixed hydraulic stem and inner tube position reach tire bracket shrink locking function, and meanwhile, positioning hole can be withheld to the locking hook, realizes that the lock sleeve is fixed. The utility model discloses an adjusting rack chucking position can multi-angle rotating, is applicable to different scenes, easy operation, convenient laborsaving.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is an enlarged view of a portion of fig. 1 according to the present invention;

FIG. 3 is a diagram illustrating the usage status of the present invention;

fig. 4 is a schematic structural diagram of the present invention;

fig. 5 is an exploded view of the present invention;

fig. 6 is a schematic structural diagram of the inner tube according to the present invention;

fig. 7 is a schematic structural diagram of the outer tube according to the present invention.

The figure is as follows: 1. outer tube connecting piece, 2, hydraulic stem, 3, rack, 4, lock sleeve, 5, claw, 6, inner tube connecting piece, 7, fixing base, 8, bush, 9, locking hook, 10, inner tube, 11, outer tube, 12, reset spring, 13, rolling bearing, 14, slide rail, 15, positioning through hole, 16, bellying, 17, rectangular form inner groovy, 18, die-pin, 19, pull rod.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

The utility model relates to a tire hydraulic locking and unfolding device of a vehicle-mounted bicycle frame, as shown in fig. 1-7, comprises an outer tube connector 1, a hydraulic rod 2, an inner tube 10 and an outer tube 11, wherein the outer tube connector 1 is installed at one end of the outer tube 11, the other end of the outer tube 11 is rotatably provided with a lock sleeve 4, an inner tube 10 is arranged in the outer tube 11 in a sliding way, a hydraulic rod 2 connected with an outer pipe connecting piece 1 is arranged in the inner pipe 10, one end of the inner pipe 10 extends out of the outer pipe 11 and is provided with an inner pipe connecting piece 6, the outer side wall of the inner pipe 10 is provided with a rack 3 along the axial direction, a gear claw 5 buckled with the rack 3 and a return spring 12 are arranged inside the lock sleeve 4, when the lock sleeve 4 is pressed, the claw 5 is separated from the buckled rack 3, and when the lock sleeve 4 is loosened, the return spring 12 is reset, so that the claw 5 buckles the rack 3. The lock sleeve 4 is sleeved on the outer tube 11, and one end of the lock sleeve 4 is rotatably connected with the outer tube 11.

One end of the hydraulic rod 2 is in threaded connection with the outer pipe connecting piece 1.

An elongated inner groove 17 is axially arranged on the outer side wall of the inner tube 10, and the rack 3 is installed in the elongated inner groove 17 and locked through a screw.

The other end of the outer tube 11 is provided with a fixed seat 7, and the fixed seat 7 is rotatably connected with a lock sleeve 4.

The outer side wall of the inner pipe 10 is provided with an inwards concave sliding rail 14 along the axial direction, and the fixed seat 7 is provided with a convex part 16 extending into the sliding rail 14.

And rotary bearings 13 are arranged in the outer pipe connecting piece 1 and the inner pipe connecting piece 6.

The opening of one end of the outer pipe 11, which is provided with the lock sleeve 4, is provided with a bushing 8, the bushing 8 is connected with the outer side wall of the inner pipe 10 in a sliding way, and the bushing 8 belongs to a wearing part and needs to be replaced periodically.

The return spring 12 is a torsion spring.

The outer tube 11 its lateral wall of one end of installation lock sleeve 4 on open and to have positioning hole 15, lock sleeve 4 internally mounted have with positioning hole 15 mutually detain locking hook 9, when pressing lock sleeve 4, locking hook 9 can break away from mutually detaining positioning hole 15, when unclamping lock sleeve 4, reset spring 12 resets for positioning hole 15 is detained to locking hook 9.

Outer tube connecting piece 1 rotates with die-pin 18 lateral wall to be connected, inner tube connecting piece 6 rotates with 19 lateral walls of pull rod to be connected, press lock sleeve 4, claw 5 and locking hook 9 bounce open, hydraulic stem 2 releases at the uniform velocity, make inner tube 10 stretch out outer tube 11 gradually, loosen lock sleeve 4, claw 5 can chucking rack 3, thereby fixed hydraulic stem 2 and inner tube 10 position reach tire bracket shrink locking function, meanwhile, positioning hole 15 can be withheld to locking hook 9, it is fixed to realize lock sleeve 4. The utility model discloses an adjusting rack 3 chucking positions, can multi-angle rotating, be applicable to different scenes, easy operation, convenient laborsaving.

Claims

1. The utility model provides a tire hydraulic pressure locking deployment device of on-vehicle bicycle frame which characterized in that: comprises an outer pipe connecting piece (1), a hydraulic rod (2), an inner pipe (10) and an outer pipe (11), wherein the outer pipe connecting piece (1) is installed at one end of the outer pipe (11), a lock sleeve (4) is installed at the other end of the outer pipe (11) in a rotating manner, the inner pipe (10) is installed in the outer pipe (11) in a sliding manner, the hydraulic rod (2) connected with the outer pipe connecting piece (1) is installed in the inner pipe (10), one end of the inner pipe (10) extends out of the outer pipe (11) and is provided with an inner pipe connecting piece (6), a rack (3) is arranged on the outer side wall of the inner pipe (10) along the axial direction, a tooth claw (5) and a reset spring (12) which are buckled with the rack (3) are installed inside the lock sleeve (4), when the lock sleeve (4) is pressed, the tooth claw (5) can be separated from the buckled with the rack (3, so that the claw (5) catches the rack (3).

2. The hydraulic tire locking and deploying device for a vehicle-mounted bicycle frame according to claim 1, wherein: one end of the hydraulic rod (2) is in threaded connection with the outer pipe connecting piece (1).

3. The hydraulic tire locking and deploying device for a vehicle-mounted bicycle frame according to claim 1, wherein: the outer side wall of the inner tube (10) is provided with a long strip-shaped inner groove (18) along the axial direction, and the rack (3) is installed in the long strip-shaped inner groove (18) and locked through a screw.

4. The hydraulic tire locking and deploying device for a vehicle-mounted bicycle frame according to claim 1, wherein: the other end of the outer tube (11) is provided with a fixed seat (7), and the fixed seat (7) is rotatably connected with a lock sleeve (4).

5. The hydraulic tire locking and spreading device for a vehicle-mounted bicycle frame according to claim 4, wherein: the outer side wall of the inner pipe (10) is provided with an inwards concave sliding rail (14) along the axial direction, and the fixed seat (7) is provided with a convex part (16) extending into the sliding rail (14).

6. The hydraulic tire locking and deploying device for a vehicle-mounted bicycle frame according to claim 1, wherein: and rotating bearings (13) are arranged in the outer pipe connecting piece (1) and the inner pipe connecting piece (6).

7. The hydraulic tire locking and deploying device for a vehicle-mounted bicycle frame according to claim 1, wherein: and a bush (8) is arranged at an opening of one end of the outer pipe (11) where the lock sleeve (4) is arranged.

8. The hydraulic tire locking and deploying device for a vehicle-mounted bicycle frame according to claim 1, wherein: the reset spring (12) is a torsion spring.

9. The hydraulic tire locking and deploying device for a vehicle-mounted bicycle frame according to claim 1, wherein: its lateral wall of one end of outer tube (11) installation lock sleeve (4) on open and to have positioning hole (15), lock sleeve (4) internally mounted have with positioning hole (15) locking hook (9) of buckleing mutually, when pressing lock sleeve (4), locking hook (9) can break away from positioning hole (15) of buckleing mutually, when unclamping lock sleeve (4), reset spring (12) reset for positioning hole (15) are buckled to locking hook (9).