CN202489403U - Trolley bag with telescoping wheels and wheel telescoping operating mechanism - Google Patents

Abstract

A kind of telescopic trolley and wheel telescopic operating mechanism with telescopic wheel, the wheel telescopic operating mechanism includes: the front end of each propelling piece can be connected with the rotating shaft of the corresponding telescopic wheel; the transmission unit comprises a push rod, and two ends of the push rod are respectively connected with the rear end of a corresponding propelling piece, so that the up-and-down action of the push rod can drive the rotating shaft of the corresponding telescopic wheel to move back and forth in an installation groove; each locking piece can be matched with one corresponding propelling piece to lock the rotating shaft of the telescopic wheel connected with the corresponding propelling piece in a folding state or an opening state. The pull rod bag with the retractable wheels is provided with a base, two retractable wheels respectively arranged on two sides of the base, and the wheel retractable control mechanism arranged on the base and described above. The utility model discloses simple structure, reliable, the manipulation is convenient.

Description

Trolley bag with telescoping wheels and wheel telescoping operating mechanism

technical field

The utility model relates to a bag, in particular to a trolley bag with telescopic wheels.

Background technique

Existing trolley bags with telescopic wheels, such as a telescopic wheel-type two-way folding multifunctional soft case disclosed in Chinese patent ZL200720032899.0, include a case body and a case body with a soft surface. Left and right horizontal bends and left and right vertical pipes on the left and right wheel covers, the ends of the left and right vertical pipes are movably connected with movable pull rods, and the ends of the left and right movable pull rods are respectively movably connected with handle outer sleeves, handle inner sleeves, and handle outer sleeves. The tube and the inner casing of the handle are respectively socketed with the ends of the left and right horizontal bends; the left and right horizontal bends and the left and right vertical pipes are connected by directional hinges; the telescopic wheel controlled by the telescopic mechanism is arranged inside the car cover. ; The soft-faced luggage body is fixed on the lateral bend pipe and the vertical pipe of the luggage frame body through sewing. Among them, the telescopic mechanism includes a triangular movable wheel frame and a movable bracket. One end of the triangular movable wheel frame is connected to the wheel cover through the movable wheel frame shaft fixed at the end of the wheel cover near the transverse bend pipe, and the other end is provided with a movable wheel frame positioner. The third end is connected with the wheel through the wheel shaft; one end of the movable support is connected with the wheel cover through the movable support shaft fixed on the wheel cover near the standpipe, and the other end is provided with a jack, which is connected with the movable wheel frame locator adaptation. When the telescopic wheel needs to be opened, it is necessary to pull the left and right movable supports outwards to make the wheels stretch out, and then insert the movable wheel frame locator into the jack at the end of the movable frame to fix the movable frame and the movable wheel frame. With this structure, the manipulation structure of the telescopic wheel is complicated, unreliable, and not convenient enough to manipulate. It can be seen that it is necessary to improve the existing trolley bag with telescopic wheels.

Utility model content

The technical problem to be solved by the utility model is to overcome the shortcomings of the above-mentioned prior art, and propose a trolley bag with telescopic wheels and a wheel telescopic control mechanism, which is simple in structure, reliable and easy to operate.

The technical solution proposed by the utility model for the above-mentioned technical problems includes that a wheel telescopic control mechanism is proposed, which includes: two propulsion parts, the front end of each propulsion part can be connected with the rotating shaft of the corresponding telescopic wheel; It includes a transmission rod, the two ends of which are respectively connected to the rear end of a corresponding propeller, so that the up and down movement of the transmission rod can drive the rotating shaft of the corresponding telescopic wheel to move back and forth in a mounting groove; two locking parts, each Each locking piece can cooperate with a corresponding pushing piece so that the rotating shaft of the telescoping wheel connected to the corresponding pushing piece is locked in a retracted state or an unfolded state.

The mounting groove extends horizontally.

The front end of each pusher is provided with a mounting hole, and the rotating shaft of the telescopic wheel is rotatably penetrated in the mounting hole; the rear end of each pusher is provided with a sleeve, and the end of the transmission rod is inserted into the in the sleeve.

Each pusher is provided with a locking groove, and the locking groove has a retracted end and an expanded end; each locking member is provided with a protrusion, and the protrusion can be correspondingly accommodated in the locking groove to limit the pushing the action of the piece.

The locking groove includes a first section and a second section that pass through each other, one end of the first section intersects with one end of the second section to form an obtuse angle, the other end of the first section forms the retractable end, and the second section The other end constitutes the flared end.

The rotating shaft of the telescopic wheel is first pierced through the installation groove and then the central shaft hole of the telescopic wheel from inside to outside, and the outer end of the rotating shaft of the telescopic wheel protrudes from the central shaft hole and is fixed by a snap ring.

The transmission unit also includes two transmission rod installation parts that can be respectively installed in the two installation columns, and the transmission rod is transversely passed through the two transmission rod installation parts and can be installed along the vertical axis of the two installation columns. The slot moves up and down.

The transmission unit also includes a set of push-pull rods, and the set of push-pull rods is provided with two pipe locks respectively matched with the two transmission rod installation parts.

The transmission unit also includes two spring mounting parts and two springs, each spring mounting part is located on the outside of the corresponding mounting column, the upper end of each spring is connected to the top of a corresponding spring mounting part, and the lower end is connected to the transmission rod.

The technical solution proposed by the utility model for the above-mentioned technical problems also includes proposing a trolley bag with telescopic wheels, which has a base and two telescopic wheels respectively installed on both sides of the base, and also has a The above-mentioned wheel telescopic manipulation mechanism.

Compared with the prior art, the trolley bag with telescopic wheels and the wheel telescopic control mechanism of the utility model form a mounting groove extending back and forth on the base, and the rotating shaft of the stretching wheel is inserted in the mounting groove, and then passed The propelling part, the transmission unit and the locking part that cooperate with each other can control the opening and closing of the two telescopic wheels respectively installed on both sides of the base, and the structure is simple, reliable and easy to operate.

Description of drawings

Fig. 1 is a perspective view of the telescopic wheel manipulation mechanism of the present invention, wherein the telescopic wheel is in an open state.

Fig. 2 is a perspective view of the telescopic wheel operating mechanism of the present invention, wherein the telescopic wheel is in a retracted state.

Fig. 3 is an exploded view of the wheel telescopic manipulation mechanism of the present invention.

Wherein, the reference signs are explained as follows: 1 Telescopic wheel, 2 Spring mounting part, 3 Locking part 34 Protrusion, 4 Base 45 Installation groove a Collapsible end b Open end d Wheel horizontal movement gap 46 Mounting column 461 Vertical groove, 5 Middle ring , 6 Upper Ring, 7 Rotating Shaft, 8 Driving Rod, 9 Pushing Part 91 Body 92 Sleeve 93 Mounting Hole 94 Locking Groove, 10 Spring Pin, 11 Spring, 12 Wheel Groove Cover, 13 Driving Rod Mounting Part, 14 Wheel Rubber Cover , 15 screws, 16 screws, 17 snap rings, 18 pipe locks, 19 push-pull rods 191 handles.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further elaborated.

Referring to Fig. 1 to Fig. 3, the embodiment of the wheel telescopic control mechanism of the present utility model generally includes: two propulsion parts 9, the front end of each propulsion part 9 is connected with the rotating shaft 7 of the corresponding telescopic wheel 1; transmission unit, which includes a transmission rod 8. The two ends of the transmission rod 8 are respectively connected to the rear end of a corresponding propeller 9, so that the up and down movement of the transmission rod 8 can drive the rotating shaft 7 corresponding to the telescopic wheel 1 to move back and forth in the installation groove 45, and the installation groove 45 It has a front end a and a rear end b; two locking pieces 3, each locking piece 3 is capable of cooperating with a corresponding pusher 9 so that the rotating shaft 7 of the telescopic wheel 1 connected to the pusher 9 is locked in the retracted state or open state. Preferably, the installation slot 45 extends horizontally, so that the telescopic wheel 1 can move forward and backward horizontally to expand and retract.

The pusher 9 includes a body 91 , a sleeve 92 disposed at a rear end of the body 91 , a locking groove 94 disposed on the body, and a mounting hole 93 disposed at a front end of the body 91 . Wherein, the rotating shaft 7 of the telescopic wheel 1 is rotatably installed in the installation hole 93, the end of the transmission rod 8 is inserted in the sleeve 92, and the locking groove 94 is roughly herringbone, including mutual Through the first section and the second section, the first end of the first section intersects with the first end of the second section to form an obtuse angle, and the second end of the first section and the second end of the second section respectively form two Locking point: retract end and open end.

The rotating shaft 7 is first worn through the mounting groove 45 from the inside to the outside and then passes through the central shaft hole of the telescopic wheel 1. The size of the inner side of the rotating shaft 7 is greater than the width of the mounting groove 45, and the outer side of the rotating shaft 7 protrudes from the The central axis hole is fixed by a snap ring 17, preferably, the snap ring is E-shaped.

A protrusion 34 is provided on the locking member 3 , and the protrusion 34 can be correspondingly accommodated in the locking groove 94 of the pusher 9 to limit the movement of the pusher 9 .

The transmission unit also includes two transmission rod installation parts 13 , two spring installation parts 2 , two springs 11 , two pipe locks 18 and a set of push-pull rods 19 matched with the transmission rod 8 . The two transmission rod mounting parts 13 can be respectively installed in the two mounting columns 46 on the base 4, and the transmission rod 8 is transversely installed on the two transmission rod mounting parts 13 and can be mounted along the two mounting columns 46. The vertical groove 461 on the top moves up and down. Two pipe locks 18 are arranged in the set of push-pull rods 19, respectively matched with the two transmission rod mounting parts 13, and the handle 191 on the push-pull rod 19 can control the pipe lock 18 to be in an open or locked state. Each spring mounting part 2 is located on the outside of the corresponding mounting column 46, the transmission rod 8 crosses the two spring mounting parts 2, the upper end of each spring 11 is connected to the top of the corresponding spring mounting part 2, and the lower end is connected to the transmission rod 8 . Preferably, a spring pin 10 can be installed above the spring mounting part 2 , and the upper end of the spring 11 is mounted on the spring pin 10 .

The trolley bag with telescopic wheels of the utility model has a base 4, two telescopic wheels 1 and the above-mentioned wheel telescopic control mechanism, and the two telescopic wheels 1 can be used by means of wheel groove covers 12, wheel rubber covers 14 and screws 16 Structural parts such as etc. are installed on both sides of this base 4 respectively. The two locking elements 3 can be attached to the inside of the base 4 by means of screws 15 .

For waterproofing, aesthetic considerations, etc., a middle ring 5 snap-fitted to the base 4 and an upper ring 6 snap-fitted to the middle ring 5 may also be included. The base 4, the middle ring 5 and the upper ring 6 can all be injection-molded with polymer materials. The lower part of the upper ring 6 can be firmly connected with the bottom of a fabric (not shown) by sewing.

The working principle of the trolley bag with telescopic wheels of the utility model roughly includes: press the handle 191 to unlock the pipe lock 18, and the push-pull rod 19 will move upward under the action of the spring 11, so that the transmission rod 8 will also drive the propulsion member 9 And make the rotating shaft 7 move backward, when the push-pull rod 19 rises to the high position, the locking part 3 will lock the propulsion part 9, and the telescopic wheel 1 moves backward horizontally by a set distance d relative to the retracted state, and is in the opened state , can be in contact with the ground and roll; on the contrary, press the handle 191 back to lock the pipe lock 18, push the push-pull rod 19 downward, the transmission rod 8 will move downward and drive the propulsion member 9 to make the rotating shaft 7 move forward. When the push-pull rod 19 drops to the low position, the locking member 3 will also lock the propulsion member 9, and the telescopic wheel 1 moves forward horizontally by a set distance d relative to the opened state, and is in the retracted state, and the telescopic wheel 1 is retracted into the base 4 .

Compared with the prior art, the advantages of the trolley bag with telescopic wheels and the telescopic wheel manipulation mechanism of the present utility model include: the rotating shaft 7 of the stretching wheel 1 is inserted through the mounting groove 45 extending back and forth on the base 4 . Be located in this installation groove 45, then through the transmission unit that cooperates with each other push piece 9, locking piece 3 and by the transmission rod 8 etc. Opening and closing, the structure is simple and reliable, and the operation is convenient.

The above content is only a preferred embodiment of the utility model, and is not intended to limit the implementation of the utility model. Those skilled in the art can easily make corresponding modifications or modifications according to the main idea and spirit of the utility model , so the protection scope of the present utility model should be based on the protection scope required by the claims.

Claims (10)

1. A wheel telescopic control mechanism, characterized in that it comprises: two propulsion parts, the front end of each propulsion part can be connected with the rotating shaft of the corresponding telescopic wheel; The ends are respectively connected with the rear end of a corresponding propeller, so that the up and down movement of the transmission rod can drive the rotating shaft of the corresponding telescopic wheel to move back and forth in a mounting groove; two locking parts, each locking part can be connected with a corresponding The pusher cooperates to lock the rotating shaft of the telescopic wheel connected to the corresponding pusher in a retracted state or an unfolded state. 2. The telescoping wheel control mechanism according to claim 1, wherein the mounting groove extends horizontally. 3. The wheel telescopic control mechanism according to claim 1, characterized in that, the front end of each pusher is provided with a mounting hole, and the rotating shaft of the telescopic wheel is rotatably passed through the mounting hole; each pusher The rear end is provided with a sleeve, and the end of the transmission rod is inserted in the sleeve. 4. The telescopic wheel control mechanism according to claim 1, wherein each pusher is provided with a locking groove, and the locking groove has a retractable end and an expanded end; each locking member is provided with a projection , the projection can be correspondingly accommodated in the locking groove to limit the movement of the pusher. 5. The telescoping wheel control mechanism according to claim 4, wherein the locking groove comprises a first section and a second section which are connected to each other, and one end of the first section intersects with one end of the second section to form an obtuse angle, The other end of the first segment constitutes the retracted end, and the other end of the second segment constitutes the expanded end. 6. The wheel telescopic control mechanism according to claim 1, characterized in that, the rotating shaft of the telescopic wheel is first pierced with the installation groove and then the central shaft hole of the telescopic wheel from the inside to the outside. The outer end of the rotating shaft protrudes from the central shaft hole and is fixed by a snap ring. 7. The telescoping wheel control mechanism according to claim 1, characterized in that, the transmission unit further comprises two transmission rod installation parts that can be respectively installed in the two installation columns, and the transmission rod is transversely installed on the It can move up and down along the vertical slots on the two transmission rod mounting parts. 8. The telescopic wheel control mechanism according to claim 7, characterized in that, the transmission unit further comprises a set of push-pull rods, and two tubes respectively matched with the two transmission rod mounting parts are arranged in the set of push-pull rods. Lock. 9. The telescopic wheel manipulation mechanism according to claim 7, characterized in that the transmission unit further comprises two spring mounting parts and two springs, each spring mounting part is located on the outside of the corresponding mounting post, and the upper end of each spring The upper and lower ends of a corresponding spring mounting part are connected to the transmission rod. 10. A trolley bag with telescopic wheels, characterized in that it has a base and two telescopic wheels respectively installed on both sides of the base, and also has a trolley bag installed on the base as claimed in any one of claims 1 to 9. Described wheel telescopic manipulation mechanism.

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