Braking mechanism of luggage wheel sets

Abstract

This utility model discloses a braking operating mechanism for a luggage wheel set, including a housing, a push button, a button, and a pull cable. The pull cable includes a sleeve and a steel cable disposed within the sleeve. One end of the sleeve is fixed to the housing, and one end of the steel cable is connected to the push button via a transmission connection. A first elastic member for driving the button to reset is provided inside the housing. The push button includes a first locking part, and the button includes a second locking part that is positioned and cooperates with the first locking part. When the button is pressed, it can drive the second locking part and the first locking part to separate. This utility model's braking operating mechanism for luggage wheel sets can provide power for braking, making braking operation more convenient and effortless.

Description

Technical Field

[0001] This utility model relates to a braking operation mechanism for a luggage wheel assembly. Background Technology

[0002] To facilitate the dragging and movement of luggage, common suitcases, carry-on bags, and other luggage are usually equipped with multiple wheels on the bottom. Because of these wheels, the luggage will move on its own when placed on a slope. To prevent this, some luggage wheels are equipped with a braking mechanism. This mechanism typically includes brake pads on the wheels and a lever on the side of the wheel. The user moves the lever to control whether the wheels are braked or released. To prevent the luggage from spinning, at least two wheels usually need to be braked simultaneously. This operation requires the user to bend over or squat, making it cumbersome and inconvenient to use. Summary of the Invention

[0003] To address the shortcomings of existing technologies, this utility model provides a braking operation mechanism for luggage wheel sets, which can provide power for braking of luggage wheel sets, making braking operation more convenient and labor-saving.

[0004] The braking mechanism of the luggage wheel assembly of this utility model includes a housing, a push button, a button, and a pull cable. The pull cable includes a sleeve and a steel cable disposed inside the sleeve. One end of the sleeve is fixed to the housing, and one end of the steel cable is connected to the push button for transmission. A first elastic member for driving the button to reset is provided inside the housing. The push button includes a first locking part, and the button includes a second locking part that is positioned in conjunction with the first locking part. When the button is pressed, it can drive the second locking part and the first locking part to separate.

[0005] In application, the braking mechanism of this utility model is fixedly mounted on the outer shell of the bag. When braking is desired, simply push the push button. The push button pulls the steel cable, which transmits power to the braking components (such as brake pads) of the wheel assembly, thereby achieving braking control of the wheel assembly. When the push button moves to the braking position, the button can position the push button through the cooperation of the first and second locking parts, thus keeping the push button in the braking position and keeping the wheel assembly in a braking state, preventing the bag from moving on its own on the slope. When unlocking is required, pressing the button separates the first and second locking parts, allowing the push button to move in the reset direction and releasing the braking of the wheel assembly, enabling the bag to move normally on the ground. Therefore, the braking operation of the bag wheel assembly becomes more effortless and convenient.

[0006] Furthermore, the housing includes a base, a front cover and a rear cover respectively mounted on the front and rear sides of the base. The base has a front groove and a rear groove. The front groove of the base and the front cover cooperate to form a front cavity, and the rear groove of the base and the rear cover cooperate to form a rear cavity. The push button is movably disposed in the front cavity, and the button is movably disposed in the rear cavity. The front cover is provided with a first sliding groove for the operating part of the push button to extend outward, and the push button can be moved by pushing it through the exposed operating part. The base and the front cover are respectively provided with a first through hole and a second through hole for the operating part of the button to extend outward, and the button can be pressed through the exposed operating part. The base is also provided with a second locking part of the button that extends into the front cavity and... A third through hole mates with the first engaging part of the push button. The rear cavity also contains a slider and a rocker arm. The middle part of the rocker arm is rotatably connected to the housing. Both ends of the rocker arm have first connecting shafts. One connecting shaft at one end of the rocker arm extends into the front cavity through an arc-shaped hole on the base and is connected to the push button via a transmission connection. The other connecting shaft at the other end of the rocker arm is connected to the slider via a transmission connection. When the push button moves in one direction, the rocker arm can link the slider to move in the opposite direction, thus reversing the direction of the thrust. The slider is connected to one end of the steel cable via a transmission connection. The pushing force of the push button is transmitted to the steel cable sequentially through the rocker arm and the slider. The internal structure of this utility model is simple and compact.

[0007] Furthermore, the push button is provided with a second sliding groove that rotates and slides with the first connecting shaft at one end of the rocker arm. The middle part of the rocker arm is provided with a second connecting shaft that rotates and slides with the base and the rear cover. The slider is provided with a third sliding groove that rotates and slides with the first connecting shaft at the other end of the rocker arm, and a clearance groove that makes clearance fits with the second connecting shaft in the middle part of the rocker arm. The clearance groove can prevent interference between the slider and the second connecting shaft of the rocker arm when the slider moves.

[0008] Furthermore, there are at least two cables, and the slider is connected to one end of the steel cable of the two cables. The two cables can be connected to the two wheel sets of the bag respectively, so that the braking or release of at least two wheel sets of the bag can be realized simultaneously. Compared with braking a single wheel set, this can prevent the bag from spinning on the slope.

[0009] Furthermore, a second elastic member is provided between the slider and one end of the cable. The second elastic member is a tension spring. The provision of the second elastic member can improve the cooperation effect between the push button and the cable, which is beneficial to reducing the stroke requirements of the push button and the slider. In addition, the second elastic member can also be used to drive the push button, the slider and the swing arm to reset.

[0010] Furthermore, the first elastic member is a spring that abuts between the button and the back cover, and the spring can provide an elastic force in the reset direction for the button.

[0011] Furthermore, the rear cover includes a first part and a second part that are spliced ​​together. The first part of the rear cover is arranged at a position corresponding to the slider and the button, and is connected to the spring and the second connecting shaft to ensure reliable installation and positioning of the spring and prevent the slider from coming out of the rear groove. The second part of the rear cover is arranged at a position corresponding to the connection between the slider, the steel cable and the tension spring, and is connected to the base to fix one end of the sleeve, which facilitates the installation and connection between the cable, the tension spring, the slider and the housing.

[0012] The two-part rear cover allows for easy installation of cables and springs by removing only the second part of the cover, eliminating the need to disassemble the first part. This prevents the rocker arm, slider, and spring from shifting or coming out of the rear groove during assembly, thus facilitating the installation of cables and springs.

[0013] Furthermore, one end of the sleeve is provided with an annular flange, and multiple transverse grooves are provided at intervals on the rear side of the base for the annular flange to be embedded and positioned. The annular flange of the sleeve can be embedded and fixed in the corresponding transverse grooves according to the pulling stroke of the steel cable, thereby reducing the requirements for the fitting accuracy between components. Attached Figure Description

[0014] Figure 1 This is a structural diagram of an embodiment of the present utility model; Figure 2 This is a structural diagram of the front groove in an embodiment of the present invention; Figure 3 This is a structural diagram of the back of an embodiment of the present invention; Figure 4 This is a structural diagram of the rear groove in an embodiment of the present invention; Figure 5 This is a schematic diagram of the assembly of the slider according to an embodiment of the present utility model; Figure 6 This is a schematic diagram of the cable assembly according to an embodiment of the present utility model; Figure 7 This is a cross-sectional view of an embodiment of the present utility model; Figure 8 This is a schematic diagram illustrating the interaction of the push button, rocker arm, and slider in an embodiment of this utility model. Figure 9 This is a usage state diagram of an embodiment of the present utility model; Figure 10 This is a schematic diagram of the braking principle of this utility model. Detailed Implementation

[0015] An embodiment of the braking operation mechanism of the luggage wheel set of this utility model, such as... Figure 1-10As shown, it includes a housing 1, a push button 2, a button 3, and a pull cable 4. The pull cable 4 includes a sleeve 41 and a steel cable 42 disposed inside the sleeve 41. One end of the sleeve 41 is fixed to the housing 1, and one end of the steel cable 42 passes through the inside of the housing 1 and is connected to the push button 2 for transmission. The housing 1 is provided with a first elastic member 52 for driving the button 3 to reset. The push button 2 includes a first locking part 21, and the button 3 includes a second locking part 31 that is positioned in conjunction with the first locking part 21. When the button 3 is pressed, it can drive the second locking part 31 and the first locking part 21 to separate. Both the first locking part 21 and the second locking part 31 are wedge-shaped structures.

[0016] In application, the braking mechanism of this utility model is fixedly mounted on the outer shell 1 of the bag. When braking is desired, simply push the push button 2. The push button 2 will pull the steel cable 42 of the pull cable 4, and the steel cable 42 will transmit power to the braking components (such as brake pads) of the wheel set to achieve braking control of the wheel set. In normal state, the button 3 is in the extended state, and the second locking part 31 is located on the movement path of the first locking part 21. When the push button 2 moves to the braking position, the first locking part 21 and the second locking part 31 touch each other, and the oblique component force of the contact surface drives the first locking part 21 to pass over the second locking part 31. The two parts form a locking and positioning engagement (or a locking engagement). Through the engagement of the first locking part 21 and the second locking part 31, the button 3 can position the push button 2, thereby keeping the push button 2 in the braking position and keeping the wheel assembly in a braking state to prevent the bag from moving on its own on the ramp. When it is necessary to unlock, by pressing the button 3, the second locking part 31 is disengaged from the movement path of the first locking part 21, allowing the push button 2 to move normally in the reset direction, thereby releasing the brake of the wheel assembly and allowing the bag to move normally on the ground. Therefore, the braking operation of the bag wheel assembly can be made more effortless and convenient.

[0017] Furthermore, an elastic component can be installed within the housing 1 to drive the push button 2 and even the steel cable 42 to reset. This allows the push button 2 and steel cable 42 to automatically reset under the action of the elastic component when the push button 2 is released, thus automatically releasing the brakes on the wheel assembly. Some existing cable 4 products have a built-in reset mechanism, which can also be used to indirectly drive the push button 2 and steel cable 42 to reset. Alternatively, an elastic component can be installed on the associated parts of the wheel assembly, i.e., the braking components driven by the steel cable 42, to drive the braking components to reset. When the braking components reset, they will also pull the steel cable 42 to reset, thus indirectly driving the push button 2 to reset. This allows the brakes to be automatically released after pressing the button 3, facilitating user operation.

[0018] The housing 1 includes a base 11, a front cover 12 and a rear cover 13 respectively installed on the front and rear sides of the base 11. The base 11 has a front groove 111 and a rear groove 112. The front groove 111 and the front cover 12 of the base 11 cooperate to form a front cavity, and the rear groove 112 and the rear cover 13 of the base 11 cooperate to form a rear cavity. The push button 2 is movably disposed in the front cavity, and the button 3 is movably disposed in the rear cavity. The front cover 12 is provided with a first sliding groove 121 for the operating part of the push button 2 to extend outward, and the push button 2 can be moved by pushing it through the exposed operating part. The base 11 and the front cover 12 are respectively provided with a first through hole 113 and a second through hole 122 for the operating part of the button 3 to extend outward, and the button 3 can be pressed through the exposed operating part. The base 11 is also provided with a second locking part 3 for the button 3. A third through hole 114 extends into the front cavity and can cooperate with the first snap-fit ​​part 21 of the push button 2. The rear cavity is also provided with a slider 6 and a rocker arm 7. The middle part of the rocker arm 7 is rotatably connected to the housing 1. Both ends of the rocker arm 7 are provided with a first connecting shaft 71. The first connecting shaft 71 at one end of the rocker arm 7 extends into the front cavity through an arc-shaped hole 115 provided on the base 11 and is connected to the push button 2. The first connecting shaft 71 at the other end of the rocker arm 7 is connected to the slider 6. When the push button 2 moves in one direction, the rocker arm 7 can link the slider 6 to move in the opposite direction to achieve the reversal of the pushing force direction. The slider 6 is connected to one end of the steel cable 42. The pushing force of the push button 2 is transmitted to the steel cable 42 in sequence through the rocker arm 7 and the slider 6. The internal structure of this utility model is simple and compact.

[0019] The push button 2 is provided with a second slide groove 22 that rotates and slides with the first connecting shaft 71 at one end of the rocker arm 7. The middle part of the rocker arm 7 is provided with a second connecting shaft 72 that rotates and connects with the base 11 and the rear cover 13. The second connecting shaft 72 can be integrally formed with the rocker arm 7, or it can be separately set and inserted into the hole in the middle part of the rocker arm 7. The slider 6 is provided with a third slide groove 61 that rotates and slides with the first connecting shaft 71 at the other end of the rocker arm 7, and a clearance groove 62 that makes a clearance fit with the second connecting shaft 72 in the middle part of the rocker arm 7. The clearance groove 62 can prevent the slider 6 from interfering with the second connecting shaft 72 of the rocker arm 7 when it moves.

[0020] In this embodiment, there are two cables 4, but more may be used in other embodiments. The slider 6 is connected to one end of the steel cable 42 of the two cables 4. The two cables 4 can be connected to the two wheel sets 8 of the bag respectively, so that the braking or release of the two wheel sets 8 of the bag can be realized simultaneously. Compared with braking a single wheel set, this can prevent the bag from spinning on the slope. Figure 9 As shown.

[0021] like Figure 6As shown, the slider 6 and one end of the steel cable 42 of each cable 4 are connected by a second elastic member 51. The second elastic member 51 is a tension spring. The setting of the second elastic member 51 helps to reduce the stroke requirements of the push button 2 and the slider 6. In addition, the second elastic member 51 can also be used to drive the push button 2, the slider 6 and the swing arm 7 to reset.

[0022] The first elastic member 52 is a spring that abuts against the button 3 and the back cover 13. The spring can provide an elastic force in the reset direction for the button 3.

[0023] The rear cover 13 includes a first part 131 and a second part 132 that are spliced ​​together. The first part 131 of the rear cover 13 is arranged at a position corresponding to the slider 6 and the button 3, and is connected to the spring and the second connecting shaft 72 to ensure reliable installation and positioning of the spring and prevent the slider 6 from coming out of the rear groove 112. The second part 132 of the rear cover 13 is arranged at a position corresponding to the connection between the slider 6, the steel cable 42 and the tension spring, and is connected to the base 11 to fix one end of the sleeve 41, which facilitates the installation and cooperation between the cable 4, the tension spring, the slider 6 and the housing 1.

[0024] The back cover 13 is made of two parts. When installing the cable 4 and the tension spring, only the second part 132 of the back cover 13 needs to be removed. The first part 131 does not need to be removed. This can prevent the rocker arm 7, the slider 6 and the spring from shifting or coming out of the rear groove 112 during the assembly process, and facilitate the installation of the cable 4 and the tension spring.

[0025] One end of the sleeve 41 is provided with an annular flange 411, and the rear side of the base 11 is provided with a plurality of transverse grooves 116 for the annular flange 411 to be embedded and positioned. The annular flange 411 of the sleeve 41 can be embedded and fixed in the corresponding transverse grooves 116 according to the pulling stroke of the steel cable 42, thereby reducing the requirements for the fitting accuracy between components.

[0026] The working principle of this utility model is as follows: Figure 10 As shown, the wheel assembly 8 includes a wheel seat 81, a wheel body 82 rotatably mounted on the wheel seat 81, and a brake block 83 movably mounted on the wheel seat 81. The wheel body 82 has a toothed ring 821, and the brake block 83 includes a toothed block 831. A spring is provided between the brake block 83 and the wheel seat 81 to drive the brake block 83 and move its toothed block 831 away from the toothed ring 821. The other end of the sleeve 41 of the cable 4 is connected to the wheel seat 81. The steel cable 42 of the cable 4 is connected to the brake block 83. When the push button 2 is pushed toward the braking position, the steel cable 42 pulls the brake block 83 and moves its toothed block 831 toward the toothed ring 821, so that the toothed block 831 is embedded in the tooth groove of the toothed ring 821, thereby restricting the rotation of the wheel body 82 and achieving the braking effect.

[0027] The above embodiments are merely one preferred embodiment of the present utility model. Ordinary changes and substitutions made by those skilled in the art within the scope of the present utility model's technical solution are all included within the protection scope of the present utility model.

Claims

1. A braking operating mechanism for a luggage wheel assembly, characterized in that: The device includes a housing, a push button, a button, and a pull cable. The pull cable includes a sleeve and a steel cable disposed inside the sleeve. One end of the sleeve is fixed to the housing, and one end of the steel cable is connected to the push button. The housing contains a first elastic member for driving the button to reset. The push button includes a first locking part, and the button includes a second locking part that is positioned in conjunction with the first locking part. When the button is pressed, it can drive the second locking part and the first locking part to separate.

2. The braking mechanism for the luggage wheel assembly according to claim 1, characterized in that: The housing includes a base, a front cover and a rear cover respectively mounted on the front and rear sides of the base. The base has a front groove and a rear groove. The front groove of the base and the front cover cooperate to form a front cavity, and the rear groove of the base and the rear cover cooperate to form a rear cavity. The push button is movably disposed in the front cavity, and the button is movably disposed in the rear cavity. The front cover is provided with a first sliding groove for the operating part of the push button to extend outward. The base and the front cover are respectively provided with a first through hole and a second through hole for the operating part of the button to extend outward. The base is also provided with a second snap-fit ​​part of the button extending into the front cavity. The rear cavity is equipped with a third through hole that can engage with the first locking part of the push button. A slider and a rocker arm are also provided in the rear cavity. The middle part of the rocker arm is rotatably connected to the housing. Both ends of the rocker arm are provided with a first connecting shaft. The first connecting shaft at one end of the rocker arm extends into the front cavity through an arc-shaped hole on the base and is connected to the push button. The first connecting shaft at the other end of the rocker arm is connected to the slider. When the push button moves in one direction, the rocker arm can link the slider to move in the opposite direction. The slider is connected to one end of the steel cable.

3. The braking mechanism for the luggage wheel assembly according to claim 2, characterized in that: The push button is provided with a second slide groove that rotates and slides with a first connecting shaft at one end of the swing arm. The middle part of the swing arm is provided with a second connecting shaft that rotates and slides with the base and the back cover. The slider is provided with a third slide groove that rotates and slides with the first connecting shaft at the other end of the swing arm, and a clearance groove that makes clearance with the second connecting shaft in the middle part of the swing arm.

4. The braking operating mechanism for the luggage wheel set according to claim 2, characterized in that: There are at least two cables, and the slider is connected to one end of the steel cable of each cable.

5. The braking operating mechanism for the luggage wheel set according to claim 2, characterized in that: A second elastic member, which is a tension spring, is provided between the slider and one end of the cable.

6. The braking operating mechanism for the luggage wheel assembly according to claim 2, characterized in that: The first elastic member is a spring that rests between the button and the back cover.

7. The braking operating mechanism for the luggage wheel set according to claim 6, characterized in that: The back cover includes a first part and a second part that are spliced ​​together. The first part of the back cover is arranged at a position corresponding to the slider and the button, and is connected to the spring and the second connecting shaft. The second part of the back cover is arranged at a position corresponding to the connection of the slider, the steel cable and the tension spring, and is fixed to one end of the sleeve by cooperating with the base.

8. The braking operating mechanism for the luggage wheel set according to claim 7, characterized in that: One end of the sleeve is provided with an annular flange, and the rear side of the base is provided with a plurality of transverse grooves that allow the annular flange to be embedded and positioned.

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