CN111634240A - A power device for hand-cranking a bicycle luggage rack - Google Patents

Abstract

The invention provides a power device for lifting and lowering a bicycle luggage rack by hand, comprising a frame body, a connection pipe is symmetrically installed at the rear end of the frame body, a moving pipe is installed at the rear end of the connection pipe, and the connection pipe A connecting piece is sleeved with the moving tube, and a transmission device is movably installed on the outer side of the moving tube below the connecting piece. The transmission device includes a worm, a gear engaged with the worm, and a rack on the inner surface of the moving tube. The upper end of the gear is connected with a rotating shaft, the surface of the outer rack of the rotating shaft is movably installed with a threaded column, the rear end of the worm is provided with a transmission rod, and the front end of the worm is installed with a driving device. The power device for manually lifting and lowering the bicycle luggage rack according to the present invention can lift the frame body without manual transportation, which is relatively labor-saving, prevents accidents during transportation, and is relatively safe to use.

Description

A power device for hand-cranking a bicycle luggage rack

technical field

The invention relates to the technical field of bicycle luggage racks, in particular to a power device for lifting and lowering bicycle luggage racks by hand.

Background technique

Bicycle luggage rack is a support frame or component installed at the rear of the body to safely and conveniently fix luggage. It is generally used on hatchback-type station wagons, SUVs and MPVs.

The existing bicycle luggage racks are usually installed at fixed installation points, and can only be installed at a fixed height, and the height is a certain distance from the ground. It cannot be moved up and down. If users want to put the bicycle on the bicycle luggage rack, they usually have to lift the bicycle to the corresponding height and fix it. This is time-consuming and labor-intensive, and there are certain risks. Moreover, if it is used by women, it will Faced with the embarrassing situation that the bicycle cannot be moved and cannot be put on it, in order to solve the above problem, we propose a power device for hand-cranking the bicycle luggage rack.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a power device for lifting and lowering the bicycle luggage rack by hand, which can lift the frame body without manual transportation, save labor, prevent accidents during transportation, and be safer to use.

Embodiments of the present invention are implemented as follows:

An embodiment of the present invention provides a power device for lifting and lowering a bicycle luggage rack by hand, including a frame body, a connection pipe is symmetrically installed at the rear end of the frame body, and a moving pipe is installed at the rear end of the connection pipe. A connecting piece is sleeved between the connecting pipe and the moving pipe, and a transmission device is movably installed on the outer side of the moving pipe under the connecting piece. The upper end of the gear is connected with a rotating shaft, the surface of the outer rack of the rotating shaft is movably installed with a threaded column, the rear end of the worm is provided with a transmission rod, and the front end of the worm is installed with a driving device, the driving device It comprises an inner four-cornered round tube and a four-corner fixing rod clamped with the inner four-cornered round tube, and the front end of the inner four-cornered round tube is provided with a handle.

Optionally, the connecting piece includes a large installation code, a small installation code is installed at the front end of the large installation code, a lock is provided between the large installation code and the small installation code, and the connecting pipe slides through the small installation code. The installation code is installed, and the moving tube slides through the large installation code. The rear end end of the large installation code is connected to a fixing groove, and the fixing groove is installed on the surface of the vehicle body through the opposite screws.

Optionally, a chute is provided on the surface of the moving pipe, a slider is installed on the inner side of the rear end chute of the connecting pipe, the sectional surface of the slider is T-shaped, and the size of the slider and the chute are the same. For adaptation, slots are provided directly below the slider on the surface opposite to the large installation code and the small installation code.

Optionally, the lock includes a base, a ferrule, and a pressing plate rotatably mounted on the base, the ferrule is fixed on the surface of the small installation code by screws, and the base is welded on the surface of the large installation code, and the pressing A connecting shaft is installed between the plate and the base, the pressing plate is rotatably connected to the base through the connecting shaft, a locking ring is arranged on the outer side of one end of the pressing plate, and the front end of the locking ring is clamped on the card sleeve surface, and the rear end of the locking ring is rotatably connected with the pressing plate.

Optionally, the rotating shaft and the gear are fixedly connected, the outer surface of the threaded column is rotatably connected to the surface of the rack, the transmission rod is welded to the rear end of the worm, and the moving tube is connected to the rack through the rack. Threaded post sliding connection.

Optionally, the outer side of the worm and the threaded column is clamped with a first casing and a second casing, the transmission rod penetrates through the inside of the first casing and the second casing, and the first casing and the second casing are connected at the joint. The outer side of the top gear is embedded with a sealing cover, the moving tube is slidingly connected with the first shell and the second shell, the first shell and the second shell are fixed by screws, and the second shell is threaded through The screw is installed on the surface of the vehicle body, the front end of the first casing is movably installed with a locking knob, and the rear end of the locking knob penetrates the first casing and is movably connected to the surface of the moving tube.

Optionally, the four-corner fixing rod is fixed on the front end of the worm, the size of the four-corner fixing rod is adapted to the size of the inner surface of the inner four-corner round tube, and the outer surface of the four-corner fixing rod is movable with the inner surface of the inner four-corner round tube. connect.

Optionally, a reinforcing mechanism is installed on the top of the connecting pipe and the moving pipe, and the reinforcing mechanism includes a fixed sleeve, the number of the fixed sleeve is two, and the fixed sleeve is sleeved on the top of the connecting pipe and the moving pipe, A connecting plate is welded at the rear end corner of the fixing sleeve, the connecting plate is L-shaped, and the connecting plate is made of aluminum.

The beneficial effects of the embodiment of the present invention include: the embodiment of the present invention provides a power device for lifting and lowering a bicycle luggage rack by hand, the connecting pipe and the moving pipe are fixed by the connecting piece, and the inner four-corner round pipe is inserted on the outer side of the four-corner fixing rod, The handle rotates the four-corner fixed rod to drive the worm to rotate, and the worm can make the gear, the rotating shaft and the threaded column rotate under the action of friction. The connecting pipe and the moving pipe are fixed by the connecting piece, which can achieve the purpose of driving the connecting pipe and the frame body to move. , In addition, the inner four-corner round tube can be directly pulled out and disassembled after use, which reduces the occupied space, is easy to carry, and has a better use effect than the traditional method.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention, and therefore do not It should be regarded as a limitation of the scope, and for those of ordinary skill in the art, other related drawings can also be obtained according to these drawings without any creative effort.

1 is a schematic diagram of the overall structure of a power device for a hand-cranked lift bicycle luggage rack according to the present invention;

2 is a schematic structural diagram of a connector of a power device for a hand-cranked lift bicycle luggage rack according to the present invention;

3 is a schematic structural diagram of a lock of a hand-cranked bicycle luggage rack according to the present invention;

4 is an exploded view of a transmission device for a hand-cranked bicycle luggage rack according to the present invention;

5 is an exploded view of a power device for a hand-cranked lift bicycle luggage rack of the present invention;

FIG. 6 is a partial enlarged view of a reinforcement mechanism of a hand-cranked bicycle luggage rack according to the present invention.

Icons: 1. Frame body; 2. Connecting tube; 3. Moving tube; 4. Connecting piece; 41. Large installation code; 42. Small installation code; 43. Fixed slot; 44. Lock; 441, Base; 442 , pressing plate; 443, connecting shaft; 444, locking ring; 445, ferrule; 45, slider; 46, chute; 47, slotting; 5, reinforcement mechanism; 51, fixing sleeve; 52, connecting plate; 6. Transmission device; 61, worm; 62, gear; 63, rotating shaft; 64, threaded column; 65, sealing cover; 66, rack; 67, first shell; 68, second shell; 69, transmission rod; 7. Drive device; 71. Inner four-corner round pipe; 72. Handle; 73. Four-corner fixed rod.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention. Thus, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "vertical", "horizontal", "inner", "outer", etc. is based on The orientation or positional relationship shown in the drawings, or the orientation or positional relationship that the product of the invention is usually placed in use, is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have The particular orientation, construction and operation in the particular orientation are therefore not to be construed as limitations of the invention. Furthermore, the terms "first", "second", "third", etc. are only used to differentiate the description and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that a component is required to be absolutely horizontal or overhang, but rather may be slightly inclined. For example, "horizontal" only means that its direction is more horizontal than "vertical", it does not mean that the structure must be completely horizontal, but can be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise expressly specified and limited, the terms "arranged", "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, It can also be a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

An embodiment of the present invention provides a power device for lifting and lowering a bicycle luggage rack by hand. As shown in FIG. 1 , it includes a frame body 1 . The rear end of the frame body 1 is symmetrically installed with a connecting pipe 2 , and the rear end of the connecting pipe 2 is installed There is a moving pipe 3, a connecting piece 4 is sleeved between the connecting pipe 2 and the moving pipe 3, the outer side of the moving pipe 3 is located below the connecting piece 4 and a transmission device 6 is movably installed, and the transmission device 6 includes a worm 61, which is engaged with the worm 61 The gear 62, the rack 66 on the inner surface of the moving tube 3, the upper end of the gear 62 is connected with a rotating shaft 63, the surface of the outer rack 66 of the rotating shaft 63 is movably installed with a threaded column 64, and the rear end of the worm 61 is provided with a transmission rod 69, and the front end of the worm 61 is installed with a driving device 7, the driving device 7 includes an inner square tube 71, a four-corner fixing rod 73 snapped with the inner four-corner round tube 71, and the front end of the inner four-corner round tube 71 is provided with a handle 72.

As shown in FIG. 1 , the connecting pipe 2 and the moving pipe 3 are fixed by the connecting piece 4 , the connecting piece 4 and the transmission device 6 are installed on the vehicle body through the opposite screws, and the moving pipe can be driven by rotating the transmission device 6 through the driving device 7 3. Move up and down, so that the frame body 1 can be raised or lowered.

In this embodiment, as shown in FIG. 2 , the connector 4 includes a large installation code 41 , a small installation code 42 is installed at the front end of the large installation code 41 , and a lock 44 is arranged between the large installation code 41 and the small installation code 42 , The connecting pipe 2 slides through the small installation code 42, and the moving pipe 3 slides through the large installation code 41. The rear end of the large installation code 41 is connected to a fixing groove 43, which is installed on the surface of the vehicle body through opposite screws.

The surface of the moving pipe 3 is provided with a chute 46, the inner side of the rear end chute 46 of the connecting pipe 2 is installed with a slider 45, the sectional surface of the slider 45 is T-shaped, and the slider 45 is adapted to the size of the chute 46 , the large installation code 41, the small installation code 42 are provided with a slot 47 directly below the surface slider 45 opposite to each other.

As shown in FIG. 2 , insert the connecting pipe 2 and the moving pipe 3 into the inside of the small installation code 42 and the large installation code 41 respectively, and the slider 45 can pass through the large installation code 41 and the small installation code 42 through the slot 47 . The chute 46 can make the rear end of the slider 45 stuck on the surface of the moving pipe 3, can fix the slider 45 between the connecting pipe 2 and the moving pipe 3, and can connect the connecting pipe 2 and the moving pipe 3 into a whole, The connecting pipe 2 can be moved up and down with the moving pipe 3 .

In this embodiment, as shown in FIG. 3 , the lock 44 includes a base 441 , a ferrule 445 , and a pressing plate 442 rotatably mounted on the base 441 . The ferrule 445 is fixed on the surface of the small installation code 42 by screws, and the base 441 It is welded on the surface of the large installation code 41. A connecting shaft 443 is installed between the pressing plate 442 and the base 441. The pressing plate 442 is rotatably connected to the base 441 through the connecting shaft 443. One end of the pressing plate 442 is provided with a lock on the outside of the card sleeve 445. For the ring 444 , the front end of the locking ring 444 is clamped on the surface of the ferrule 445 , and the rear end of the locking ring 444 is rotatably connected with the pressing plate 442 .

As shown in FIG. 3 , by pulling the pressing plate 442 to turn it over under the action of the connecting shaft 443 , the locking ring 444 is moved forward and stuck on the surface of the ferrule 445 , and then the pressing plate 442 is pressed to make it stick to the base 441, the locking ring 444 and the ferrule 445 can be tightened and fixed, the small installation code 42 can be fixed on the front end of the large installation code 41, and the connecting pipe 2 and the moving pipe 3 can be strengthened.

In this embodiment, as shown in FIG. 4 , the rotating shaft 63 and the gear 62 are fixedly connected, the outer surface of the threaded column 64 is rotatably connected to the surface of the rack 66 , and the transmission rod 69 is welded to the rear end of the worm 61 to move. The tube 3 is slidably connected to the threaded column 64 through the rack 66 .

The outer side of the worm 61 and the threaded column 64 is clamped with a first casing 67 and a second casing 68. The transmission rod 69 penetrates through the interior of the first casing 67 and the second casing 68. The outer side of the top gear 62 is embedded with a sealing cover 65, and the moving tube 3 is slidingly connected with the first casing 67 and the second casing 68. The first casing 67 and the second casing 68 are fixed by screws, and the second casing 68 The front end of the first shell 67 is movably mounted with a locking knob, and the rear end of the locking knob penetrates the first shell 67 and is movably connected to the surface of the moving tube 3 by means of the opposite screws.

As shown in FIG. 4, the worm 61 is rotated by the driving device 7. The worm 61 can rotate the gear 62, the rotating shaft 63 and the threaded column 64 under the action of friction. The movement can drive the moving tube 3 to slide. Since the connecting tube 2 and the moving tube 3 are fixed by the connecting piece 4, the purpose of driving the connecting tube 2 and the frame body 1 to move can be achieved, and the frame body 1 can be lifted without manual labor. Handling is relatively labor-saving. The sealing cover 65, the first casing 67, and the second casing 68 can protect its internal components, and the moving tube 3 can be locked after the position adjustment is completed by the locking knob, so that the moving tube 3 is not easy to shake.

In this embodiment, as shown in FIG. 5 , the four-corner fixing rod 73 is fixed on the front end of the worm 61 , the size of the four-corner fixing rod 73 is adapted to the size of the inner surface of the inner four-corner circular tube 71 , and the outer surface of the four-corner fixing rod 73 is compatible with the inner surface of the inner four-corner circular tube 71 . The inner surface of the four-cornered circular tube 71 is connected flexibly.

As shown in FIG. 5 , the inner four-cornered round tube 71 is inserted on the outer side of the four-cornered fixing rod 73, and the four-cornered fixing rod 73 is rotated by the handle 72 to drive the transmission device 6 to work, and the inner four-cornered round tube 71 can be directly pulled out after use. It can be disassembled to reduce the space occupied and easy to carry.

In this embodiment, as shown in FIG. 6 , a reinforcing mechanism 5 is installed on the top of the connecting pipe 2 and the moving pipe 3 . The reinforcing mechanism 5 includes a fixing sleeve 51 , the number of the fixing sleeve 51 is two, and the fixing sleeve 51 is sleeved on the connection The top of the pipe 2 and the moving pipe 3 and the rear end corner of the fixed sleeve 51 are welded with a connecting plate 52, the connecting plate 52 is L-shaped, and the connecting plate 52 is made of aluminum.

As shown in FIG. 6 , the tops of the connecting pipe 2 and the moving pipe 3 can be reinforced by placing the fixing sleeve 51 on the upper ends of the connecting pipe 2 and the moving pipe 3 , and then fixing the connecting plate 52 and the fixing sleeve 51 .

It should be noted that the present invention is a power device for lifting and lowering the bicycle luggage rack by hand. The user inserts the connecting pipe 2 and the moving pipe 3 into the inside of the small installation code 42 and the large installation code 41 respectively. The sliding block 45 passes through the large installation code 41 and the small installation code 42, and the rear end of the sliding block 45 can be stuck on the surface of the moving pipe 3 through the chute 46, and the sliding block 45 can be fixed between the connecting pipe 2 and the moving pipe 3. During this time, the connecting pipe 2 and the moving pipe 3 can be connected as a whole, and the pressing plate 442 can be turned over under the action of the connecting shaft 443 by pulling the pressing plate 442, so that the dead ring 444 can move forward and be stuck on the surface of the ferrule 445. Then press the pressing plate 442 to make it stick to the surface of the base 441, and then the dead ring 444 and the ferrule 445 can be tightened and fixed, the small installation code 42 can be fixed on the front end of the large installation code 41, and the connecting pipe 2 , The moving pipe 3 plays a role of reinforcement, and the fixing groove 43 and the second casing 68 are installed on the vehicle body through the opposite screws, so that the installation of the luggage rack can be completed, and the connecting pipe 2 and the moving pipe 3 can be connected. To disassemble and connect, the operation is more convenient. Put the fixed sleeve 51 on the upper end of the connecting pipe 2 and the moving pipe 3, and fix the connecting plate 52 and the fixed sleeve 51. The handle 72 rotates the four-corner fixed rod 73 to drive the worm 61 to rotate, and the worm 61 can make the gear 62, the rotating shaft 63 and the threaded column 64 rotate under the action of friction, and the threaded column 64 rubs against the rack 66 during the rotation process to move it up and down can drive the moving pipe 3 to slide, and the force can be transmitted through the transmission rod 69, so that the two moving pipes 3 can move at the same time. Since the connecting pipe 2 and the moving pipe 3 are fixed by the connecting piece 4, the connecting pipe 2. The purpose of moving up and down with the frame body 1 can lift the frame body 1 without manual handling, which is relatively labor-saving and prevents accidents during the handling process. Its internal components are protected, and it can be locked by the locking knob after the adjustment of the position of the moving tube 3 is completed.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (8)

1. The utility model provides a power device of hand lift bicycle luggage rack, includes frame body (1), its characterized in that: connecting pipe (2) are symmetrically installed to the rear end of frame body (1), removal pipe (3) are installed to the rear end of connecting pipe (2), connecting piece (4) have been cup jointed between connecting pipe (2) and removal pipe (3), the below movable mounting that the outside that removes pipe (3) is located connecting piece (4) has transmission (6), transmission (6) include worm (61), with gear (62) of worm (61) meshing, rack (66) of removal pipe (3) internal surface, the upper end of gear (62) is connected with rotation axis (63), the surface movable mounting of the outside rack (66) of rotation axis (63) has screw thread post (64), the rear end of worm (61) is provided with transfer line (69), and drive arrangement (7) are installed to the front end of worm (61), drive arrangement (7) include interior four corners (71), The four-corner fixing rod (73) is clamped with the inner four-corner circular tube (71), and the front end of the inner four-corner circular tube (71) is provided with a handle (72).

2. The power device of claim 1, wherein the power device comprises: connecting piece (4) are including big installation code (41), little installation code (42) are installed to the front end of big installation code (41), be provided with hasp (44) between big installation code (41) and little installation code (42), connecting pipe (2) slide run through in little installation code (42), and remove pipe (3) and slide and run through in big installation code (41), fixed slot (43) is connected to the rear end one end of big installation code (41), fixed slot (43) are installed on the automobile body surface through to wearing the screw.

3. The power device of claim 1, wherein the power device comprises: spout (46) have been seted up on the surface of removal pipe (3), slider (45) are installed to the inboard of rear end spout (46) of connecting pipe (2), the tangent plane of slider (45) is the T shape, and the size looks adaptation of slider (45) and spout (46), fluting (47) have all been seted up under big installing code (41), the relative surperficial slider (45) of little installing code (42).

4. The power device of claim 2, wherein the power device comprises: the lock catch (44) comprises a base (441), a clamping sleeve (445) and a pressing plate (442) rotatably mounted on the base (441), the clamping sleeve (445) is fixed on the surface of a small installation code (42) through screws, the base (441) is welded on the surface of a large installation code (41), a connecting rotating shaft (443) is mounted between the pressing plate (442) and the base (441), the pressing plate (442) is rotatably connected with the base (441) through the connecting rotating shaft (443), a locking ring (444) is arranged on the outer side of the clamping sleeve (445) at one end of the pressing plate (442), the front end of the locking ring (444) is clamped on the surface of the clamping sleeve (445), and the rear end of the locking ring (444) is rotatably connected with the pressing plate (442).

5. The power device of claim 1, wherein the power device comprises: the rotating shaft (63) is fixedly connected with the gear (62), the outer surface of the threaded column (64) is rotatably connected with the surface of the rack (66), the transmission rod (69) is welded at the rear end of the worm (61), and the moving pipe (3) is slidably connected with the threaded column (64) through the rack (66).

6. The power device of claim 1, wherein the power device comprises: the outside joint of worm (61), screw post (64) has first shell (67), second shell (68), transfer line (69) runs through in the inside of first shell (67), second shell (68), sealed lid (65) have been inlayed in the outside of top gear (62) of first shell (67), second shell (68) junction, be sliding connection between removal pipe (3) and first shell (67), second shell (68), pass through the fix with screw between first shell (67), the second shell (68), and second shell (68) are installed on the automobile body surface through to wearing the screw, the front end movable mounting of first shell (67) has the locking knob, and the rear end of locking knob runs through first shell (67) and the surface swing joint who removes pipe (3).

7. The power device of claim 1, wherein the power device comprises: the four-corner fixing rod (73) is fixed at the front end of the worm (61), the size of the four-corner fixing rod (73) is matched with the size of the inner surface of the inner four-corner circular tube (71), and the outer surface of the four-corner fixing rod (73) is movably connected with the inner surface of the inner four-corner circular tube (71).

8. The power device of claim 1, wherein the power device comprises: reinforcing mechanism (5) are installed at the top of connecting pipe (2), removal pipe (3), reinforcing mechanism (5) are including fixed cover (51), the quantity of fixed cover (51) is two, fixed cover (51) cup joint at connecting pipe (2), the top of removal pipe (3), the rear end corner welding of fixed cover (51) has connecting plate (52), connecting plate (52) are L shape, connecting plate (52) are the aluminium material.

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