Storage structure for brake cable and rollator

Abstract

The utility model discloses a storage structure for a brake cable and a rollator. The storage structure used for the brake cable is used in cooperation with a brake switch on the handle. The storage structure comprises a storage pipe and a brake assembly; the brake assembly is arranged in the storage pipe; and the handle is connected with one end of the storage tube. The brake cable is stored, so that the risk that the brake cable is possibly pulled or hooked by an obstacle due to exposure is avoided, and the safety performance is improved; moreover, the whole brake assembly is also hidden in the storage pipe, the brake assembly can be better protected against abrasion caused by external environmental factors, maintenance is convenient, and the service life of the brake assembly is prolonged.

Description

Technical Field

[0001] This application belongs to the technical field of brakes, and particularly relates to a storage structure for brake cables and an assisted bicycle. Background Art

[0002] In assisted bicycles, bicycles or similar vehicles on the current market, the brake assembly usually consists of a stainless steel wire core and a cable tube. When braking, the brake cable is pulled by operating the handlebar or pedal, causing the brake cable to move and generate a pulling force, thereby changing the angle of components such as brake calipers to achieve wheel locking. However, this traditional brake cable is usually installed outside the vehicle bracket, affecting the overall aesthetics of the vehicle, and the exposed brake cable is easily caught by external objects, causing potential brake hazards. Summary of the Utility Model

[0003] In view of the above problems, the purpose of this application is to provide a storage structure that can completely hide the brake cable to avoid the above safety hazards caused by the exposed brake cable.

[0004] According to one aspect of the embodiments of this application, a storage structure for a brake cable is provided, which is used in cooperation with a brake switch on the handlebar; characterized in that the storage structure includes a storage tube and a brake assembly; the brake assembly is installed in the storage tube; the handle is connected to one end of the storage tube.

[0005] Optionally, the storage tube is a telescopic structure, and the brake cable always remains in a straight state with the storage tube.

[0006] Optionally, the storage tube includes an inner tube and an outer tube, the inner tube can move within the outer tube and extend out of the outer tube, the brake assembly is installed in the inner tube, and the handle is connected to the inner tube.

[0007] Optionally, the storage tube further includes: an adjusting member for controlling the extension range of the inner tube and a locking member for controlling the retraction range of the inner tube; the adjusting member moves with the inner tube of the brake assembly.

[0008] Optionally, the adjusting member includes an adjusting rod, and there are multiple adjusting holes corresponding to the adjusting rod on the outer tube. When the inner tube moves to the required position on the outer tube, the adjusting rod extends out of the adjusting hole to connect the inner tube and the outer tube; when the inner tube retracts to the maximum retraction range of the outer tube, the adjusting member abuts against the locking member.

[0009] Optionally, the brake assembly includes a sliding rod for defining the maximum movement range of the inner tube.

[0010] Optionally, the brake assembly further includes a connecting member and a guiding member, the connecting member is located within the guiding member; the brake cable includes a first brake cable and a second brake cable; the connecting member is respectively connected to the sliding rod and the first brake cable, and the sliding rod passes through the guiding member and is connected to the second brake cable.

[0011] Optionally, when the first brake cable moves in the first direction, the sliding rod is driven to move through the connecting member, and the second brake cable moves along with the sliding rod.

[0012] According to another aspect of the embodiments of the present application, a walking aid is provided. The walking aid includes at least two receiving structures and folding structures as described in any one of the above; the receiving structures are arranged oppositely, and the folding structure is located between the two receiving structures; the folding structure is used to make the two receiving structures approach each other.

[0013] Optionally, the receiving tube includes an inner tube and an outer tube. The inner tube can move within the outer tube and extend out of the outer tube; the receiving structure further includes: an adjusting member for controlling the extendable range of the inner tube and a locking member for controlling the retractable range of the inner tube; the locking member is movably connected to the outer tube; the folding structure is connected to the outer tube through the locking member; the locking member includes an unlocking switch. When the inner tube retracts to the maximum retractable range within the outer tube, the adjusting member abuts against the locking member and triggers the unlocking switch to unlock, so that the locking member can move on the outer tube.

[0014] The beneficial effects of the present application are as follows: The brake cable can be smoothly received in the limited internal space of the receiving structure, while maintaining its performance and concealment, avoiding potential safety hazards, and enhancing the service life of the brake cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0016] Figure 1 It is a schematic structural diagram of the receiving structure for the brake cable provided by the embodiment of the present application;

[0017] Figure 2 It is a schematic internal structure diagram of the receiving structure for the brake cable provided by the embodiment of the present application;

[0018] Figure 3 It is a schematic structural diagram of the receiving tube and the brake assembly provided by the embodiment of the present application;

[0019] Figure 4 It is another schematic structural diagram of the receiving tube and the brake assembly provided by the embodiment of the present application;

[0020] Figure 5 It is a schematic structural diagram of the brake assembly provided by the embodiment of the present application;

[0021] Figure 6 It is a schematic structural diagram of the walking aid provided by the embodiment of the present application;

[0022] Figure 7 is the rear view of Figure 6 ;

[0023] Figure 8 is the sectional view along the A-A' direction of Figure 7 ;

[0024] Figure 9 is the step flow chart of the folding method of the walking aid provided by the embodiment of the present application;

[0025] Figure 10 is another step flow chart of the folding method of the walking aid provided by the embodiment of the present application.

[0026] It should be noted that the drawings are not necessarily drawn to scale, but are only shown in a schematic manner that does not affect the reader's understanding.

[0027] The reference numerals in the specific embodiments are as follows:

[0028] 100, a storage structure for the brake cable; 110, a storage tube; 111, an inner tube; 112, an outer tube; 113, an adjusting member; 114, an adjusting rod; 115, an adjusting hole; 116, a locking member; 117, a locking switch; 118, a locking rod; 119, a driving rod;

[0029] 120, a brake assembly; 121, a sliding rod; 122, a connecting member; 123, a guiding member; 124, an elastic member;

[0030] 200, a brake cable; 210, a first brake cable; 220, a second brake cable;

[0031] 300, a handle;

[0032] 400, a walking aid; 410, a folding structure; 420, a wheel. Specific Embodiments

[0033] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts shall fall within the protection scope of the present application.

[0034] In this application, the orientation or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", etc. are based on the orientation or positional relationships shown in the drawings. These terms are mainly used to better describe this application and its embodiments, and are not intended to limit that the indicated devices, elements or components must have a specific orientation, or be constructed and operated in a specific orientation.

[0035] Moreover, in addition to being used to represent orientation or positional relationships, some of the above terms may also be used to represent other meanings. For example, the term "upper" may also be used to represent a certain attachment relationship or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0036] In addition, the terms "install", "set", "provide with", "connect", "be connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or there can be internal communication between two devices, elements or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0037] In addition, the terms "first", "second", etc. are mainly used to distinguish different devices, elements or components (the specific types and structures may be the same or different), and are not intended to indicate or imply the relative importance and quantity of the indicated devices, elements or components. Unless otherwise specified, the meaning of "a plurality" is two or more.

[0038] It should also be understood that the terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. As used in the specification of this application and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include the plural forms.

[0039] It should be further understood that the term " / and" used in the specification of this application and the appended claims refers to any combination and all possible combinations of one or more of the related listed items, and includes these combinations.

[0040] Vehicles that currently require mechanical brakes usually rely on the physical connection of brake cables and levers. By operating the brake switch on the handlebar, the operating force is transmitted to the brake cable to stop the wheels. Traditional brake cables are usually installed outside the vehicle bracket. In vehicles with adjustable or foldable handlebars, since the length of the brake cable is preset during the manufacturing process, the brake cable cannot be adjusted according to the telescoping of the handlebar or the folding of the vehicle, and the brake cable is usually exposed outside the vehicle. This exposed design makes the brake cable vulnerable to impacts, snags, or abrasions, increasing the safety hazards during driving.

[0041] To avoid the above safety hazards, it is an urgent problem in the art to hide and store the brake cable and the brake assembly inside the vehicle. The existing solutions usually use a flexible and bendable cable as the brake cable, so that the brake cable can be wound or bent when the vehicle folds or the handlebar telescopes. Although this design realizes the adjustable length of the brake cable, the cross-section of the brake cable becomes larger due to winding or bending. And since the internal space of the vehicle frame or the telescopic rod of the handlebar is fixed and does not change, there is not enough space to hide the brake cable with an enlarged cross-section inside the vehicle frame or the telescopic rod of the retractable handlebar.

[0042] In view of this, on the one hand, an embodiment of the present application provides a storage structure 100 for a brake cable, as Figure 1 and Figure 2 shown. The storage structure is used in cooperation with the brake switch on the handlebar 300. The storage structure 100 includes a storage tube 110 and a brake assembly 120; the brake assembly 120 is installed in the storage tube 110; one end of the handlebar 300 is connected to the storage tube 110.

[0043] Figure 2 For Figure 1 the cross-sectional view of the storage structure 100 for the brake cable in, the brake assembly 120 is installed in the storage tube 110, realizing hiding the brake cable 200 and the brake assembly 120 in the storage tube 110, avoiding the brake cable 200 being snagged by obstacles when exposed. At the same time, the brake assembly 120 is equivalent to being sealed in the storage tube 110, and the storage tube 110 plays a protective role for the brake assembly 120, enabling the brake assembly 120 to withstand harsh weather conditions such as rain and mud, eliminating the need to maintain the brake assembly 120, reducing maintenance costs while enhancing the service life of the brake assembly 120.

[0044] In the embodiment of the present application, continuing to refer to Figure 1 and Figure 2 and combining Figure 3 and Figure 4 , the storage tube 110 is a telescopic structure, and the brake cable 200 always remains in a straight state with the storage tube 110.

[0045] Figure 3 and Figure 4 are respectively schematic structural diagrams of the brake assembly 120 and the brake cable when the handle 300 is in the retracted state and the extended state. To better show the brake assembly 120, Figure 3 and Figure 4 the receiving tube 110 is hidden. Since the receiving tube 110 can be telescopically adjusted in length, in order to adapt to the telescopic movement of the receiving tube 110, the brake cable 200 needs to have a certain margin to ensure that its function is not affected. However, when the receiving tube 110 retracts, the brake cable 200 will be wound or bent as the receiving tube 110 retracts, and its width and cross-section will increase accordingly. Although the brake cable 200 with adjustable length meets the requirement of flexibly telescoping with the receiving tube 110, due to the dimensional change of its width caused by winding or bending, the internal space of the receiving tube 110 is limited. Once the cross-section of the brake cable 200 after winding or bending exceeds the accommodation range of the internal space of the receiving tube 110, the brake cable 200 cannot be completely hidden in the receiving tube 110. This not only affects the aesthetics of the vehicle but also has an adverse impact on the service life of the brake cable 200.

[0046] To avoid the above problems, please refer to Figures 1 to 4 , in the embodiment of the present application, the brake assembly 120 is installed in the receiving tube 110. To enable the brake cable 200 to be inside the receiving tube 110 and at the same time be able to telescopically adjust its length with the receiving tube 110, the brake cable 200 is divided into multiple sections. When the brake cable 200 telescopically moves with the receiving tube 110, it can always remain straight in the receiving tube 110 and will not be wound or bent when the receiving tube 110 retracts, that is, the total length, cross-section or width of the brake cable 200 will not change with the change of the length of the receiving tube 110 and is not affected by the internal space of the receiving tube 110. The brake cable 200 can be completely hidden in the receiving tube 110 from beginning to end.

[0047] Furthermore, the receiving tube 110 includes an inner tube 111 and an outer tube 112. The inner tube 111 can move within the outer tube 112 and extend out of the outer tube 112. The brake assembly 120 is installed in the inner tube 111, and the handle 300 is connected to the inner tube 111. The inner tube 111 can extend out of the outer tube 112 or retract into the outer tube 112. The handle 300 is connected to the inner tube 111, enabling the handle 300 to be telescopically adjusted to adapt to the heights of different users. A brake switch is also provided on the handle 300 to control the brake assembly 120 and the brake cable. When the handle 300 telescopically moves, the brake assembly 120 moves with the handle 300, that is, the inner tube 111. When the brake switch on the handle 300 is pressed, the brake cable connected to the handle 300 is pulled to control the brake assembly 120 to pull the brake cable 200 connected to the wheel, realizing the braking function.

[0048] Even further, as shown in Figures 1 to 4As shown in the figure, the storage tube 110 further includes an adjusting member 113 for controlling the extending range of the inner tube 111 and a locking member 116 for controlling the retracting range of the inner tube 111; the adjusting member 113 and the brake assembly 120 move along with the inner tube 111.

[0049] The adjusting member 113 is connected to the brake assembly 120 with a clearance and moves along with the inner tube 111. The adjusting member 113 is used to fix the inner tube 111 to the outer tube 112 when the inner tube 111 extends to the height required by the user. The locking member 116 is used to limit the position of the inner tube 111 and restrict the maximum range that the inner tube 111 can retract into the outer tube 112. As Figure 4 shown in the figure, when the inner tube 111 extends upward out of the outer tube 112, the adjusting member 113 and the brake assembly 120 move upward along with the inner tube 111, and the adjusting member 113 moves away from the locking member 116.

[0050] Continuing to refer to Figures 1 to 4 , the storage structure 100 for the brake cable further includes a driving rod 119. The driving rod 119 is connected to the handle. When the inner tube 111 telescopically moves relative to the outer tube 112, it drives the adjusting member 113 to approach or move away from the locking member 116. The adjusting member 113 includes an adjusting rod 114. A plurality of adjusting holes 115 corresponding to the adjusting rod 114 are provided on the outer tube 112. When the inner tube 111 moves to the required position on the outer tube 112, the adjusting rod 114 extends out of the adjusting hole 115 to connect the inner tube 111 to the outer tube 112; when the inner tube 111 retracts to the maximum retracting range of the outer tube 112, the adjusting member 113 abuts against the locking member 116.

[0051] As Figure 1 , Figure 2 and Figure 4 shown in the figure, a plurality of adjusting holes 115 are provided on the outer tube 112. The adjusting rod 114 can be connected to any one of the adjusting holes 115 so that the inner tube 111 and the outer tube 112 can be fixedly connected; when the handle 300 needs to be adjusted, that is, when the inner tube 111 needs to telescopically move within the outer tube 112, the adjusting rod 114 retracts. When the inner tube 111 is adjusted to the height required by the user, the adjusting rod 114 extends out of the adjusting hole 115 to be fixed to the outer tube 112, so that the handle 300 is fixed at the height required by the user.

[0052] Specifically, in the embodiment of the present application, the brake assembly 120 further includes a sliding rod 121 for defining the maximum movable range of the brake assembly 120 when it moves along with the inner tube 111. As Figure 2 , Figure 3 and 4 shown in the figure, the sliding rod 121 is a vertical rod with one end connected to the locking member 116 and the other end extending towards the handle 300 and suspended. When the brake assembly 120 moves along with the inner tube 111, the brake assembly 120 moves on the sliding rod 121.

[0053] More specifically, please refer to Figure 3 and Figure 4 and in combination with Figure 5 , the brake cable includes a first brake cable 210 and a second brake cable 220; the brake assembly 120 further includes a connecting member 122 and a guiding member 123. The connecting member 122 is located inside the guiding member 123. The connecting member 122 is respectively connected to the sliding rod 121 and the first brake cable 210. The sliding rod 121 passes through the guiding member 123 and is connected to the second brake cable 220.

[0054] One end of the first brake cable 210 is connected to the brake switch on the handle 300, and the other end is connected to the connecting member 122; one end of the second brake cable 220 is connected to the sliding rod 121, and the other end is connected to the wheel. The two ends of the connecting member 122 are respectively connected to the sliding rod 121 and the first brake cable 210. When pressing the brake switch on the handle 300, the first brake cable 210 is pulled to move in the first direction, that is Figure 3 moving upward in, the first brake cable 210 pulls the end of the connecting member 122 connected thereto to move, so that the other end of the connecting member 122 pushes the sliding rod 121 upward, and the second brake cable 220 connected to the sliding rod 121 is also pulled, thereby realizing the braking process.

[0055] Among them, the guiding member 123 is used to guide and limit the moving direction of the connecting member 122. As Figure 5 shown, in the embodiment of the present application, the guiding member 123 is a hollow frame in the middle. The left and right sides of the guiding member 123 are used to define the overall lateral dimension of the brake assembly 120, ensuring that the brake assembly 120 does not exceed the internal space of the inner tube 111 and can move with the movement of the inner tube 111; the connecting member 122 is located inside the guiding member 123. As Figures 1 to 4 shown, the upper and lower sides of the guiding member 123 limit and guide the moving range of the connecting member 122, thereby restricting the telescopic displacement amount of the brake cable. Since the first brake cable 210 is located at one end of the connecting member 122( Figure 5 the right end of the connecting member in), when pressing the brake switch on the handle 300, the first brake cable 210 pulls the right end of the connecting member 122 to move upward. The connecting member 122 inclines downward from right to left, and then abuts against the sliding rod 121, pushing the sliding rod 121 to move upward as well. When the connecting member 122 continues to be pulled upward until at least one end abuts against the upper side of the guiding member 123, it indicates that the brake cable has been pulled to realize braking. When the brake switch is released, the elastic member 124 sleeved on the sliding rod 121 loses the upward pushing force of the connecting member 122 on it, so that the connecting member 122 returns to its original position, that is, the connecting member 122 abuts against the lower side of the guiding member 123.

[0056] Since the first brake cable 210 can only pull the right end of the connecting member 112 upward, to prevent the connecting member 122 from not only moving upward but also shifting during the movement of the connecting member 122, resulting in a reduction in the movement stroke of the connecting member 122, and thus insufficient force and displacement for pulling the second brake cable 220, which may lead to brake failure or affect the braking performance. In the embodiment of the present application, the guiding member 123 also plays a guiding role for the connecting member 122, ensuring that both the connecting member 122 and the sliding rod 121 can only move up and down along the height direction of the guiding member 123.

[0057] Considering that if the displacement of the brake cable 200 is too large, it will affect the feel of the user pressing the brake switch, making it difficult to control the braking force, and there may be a delay in the response from the brake switch on the handle 300 to the brake pads, which is likely to cause untimely braking in an emergency; while if the displacement of the brake cable 200 is small, the brake cable 200 may not be able to pull the brake pads for braking, resulting in poor braking effect. In the embodiment of the present application, the upper and lower sides of the guiding member 123 limit the compression range and rebound range of the elastic member 124 pushed by the connecting member 122, thereby restricting the upward displacement of the brake cable (the second brake cable 220), enabling the displacement of the brake cable 200 to provide sufficient braking force while ensuring the feel and accuracy during braking operation.

[0058] In the braking structure 120 of the embodiment of the present application, when the telescopic storage tube 110 needs to be retracted, the guiding member 123 and the connecting member 122 slide on the sliding rod 121 along with the inner tube 111. When braking is required, the connecting member 122 pushes the sliding rod 121 to slide upward. This design is small and simple in structure, easy to install, and can achieve the non-exposure of the brake cable 200 while being able to flexibly adjust with the telescopic movement of the storage tube.

[0059] The connecting member 122 in the embodiment of the present application can be in the shape of a Figure 5 flap as shown, or other shapes such as a fork, a coupling, a gear, etc., which are any connecting components that can connect the first brake cable and the sliding rod and can control or transmit mechanical force to make it move.

[0060] Another aspect of the embodiment of the present application also provides an assisted bicycle 400, as Figures 6 to 8 shown. The assisted bicycle 400 includes at least two of the above-mentioned storage structures 100 for the brake cable and a folding structure 410; the storage structures are arranged oppositely, and the folding structure 410 is located between the two storage structures; the folding structure 410 is used to make the two storage structures approach each other.

[0061] The above-mentioned storage structure is equivalent to the main frame rods arranged oppositely in the assisted bicycle 400, and the folding structure 410 is a linkage component that can unfold or fold the assisted bicycle 400, making the two side frame main rods approach each other to the minimum distance to reduce the size of the assisted bicycle 400, making it convenient for storage or carrying. AsFigure 8 As shown, the folding structure 410 is also used to flip the wheels oppositely arranged on the main frame rod of each one upward in the arrow direction, so that the side of the wheel in contact with the ground is flush with the end of the main frame rod, i.e., the storage structure 100, away from the handle 300.

[0062] Another aspect of the embodiment of the present application also provides a folding method applied to the above-mentioned walking aid, as Figures 1 to 10 shown, the folding method includes the steps:

[0063] S100. Press the handle until the adjusting member abuts against the locking member, triggering the unlocking switch to unlock;

[0064] A button is provided on the handle 300 for adjusting the height of the handle 300 through the telescopic storage tube 110, so that the height of the handle 300 can flexibly adapt to the height of the user. Assume that the structure of the walking aid 400 before folding is as Figure 6 shown, that is, the positional relationship of the brake assembly 120, the adjusting member 113 and the locking member 116 is as Figure 8 shown. When it is necessary to fold the walking aid 400, press the button to enable the inner tube 111 to move relative to the outer tube 112, press the handle 300 downward, that is, the inner tube 111 gradually retracts into the outer tube 112, and the driving rod 119 moves with the inner tube 111 to drive the adjusting member 113 to gradually approach the locking member 116 until as Figure 2 or Figure 3 shown, the adjusting member 113 abuts against the locking member 116. As Figure 4 shown, the locking member 116 includes a locking switch 117 and a locking rod 118. When the inner tube 111 retracts to the maximum retractable range in the outer tube 112, that is, when the adjusting member 113 abuts against the locking member 116, the unlocking switch is triggered to unlock, and the locking rod 118 retracts into the housing of the locking member 116, and the locking rod 118 is disengaged from the outer tube 112 and can move on the outer tube 112.

[0065] S200. The locking member moves along the outer tube, driving the folding structure to move;

[0066] At least one end of the X-shaped folding structure 410 is connected to the storage tube 110 (main frame rod) through the locking member 116. When the locking member 116 moves upward on the outer tube 112, it drives the folding structure 410 to move towards its center point.

[0067] Of course, the folding structure 410 of the present application can also be in the shape of "W", "V", "Y", "XX" or any shape that a group of support rods with at least one intersection can present, which is not limited herein.

[0068] S300. The opposite storage structures approach each other.

[0069] The locking member 116 moves upward on the storage tube 110. In the embodiment where the folding structure 410 is in an "X" shape, the folding structure 410 moves towards its center point along the Figure 7 direction of the arrow in the figure, and the folding structure 410 approaches an "I" shape from the "X" shape, thereby driving the opposite storage structures to approach each other until the walking aid 400 is folded to its final state.

[0070] In the embodiment of the present application, the adjusting member 113 can trigger the unlocking of the locking switch 117 on the locking member 116 when the handle 300 retracts to the maximum retraction stroke, so that the folding structure 410 can move; the adjusting member 113 can also trigger the locking switch 117 during the retraction of the handle 300. However, considering that when the handle 300 retracts to the maximum retractable position, only a pushing force needs to be applied to the storage structures on both sides. According to the principle that "the shorter the moment arm, the more labor-saving", the operation is more convenient and fast.

[0071] The folding method of the walking aid 400 provided by the embodiment of the present application can fold the walking aid 400 simultaneously from three directions only by pressing the button on the handle 300, so that the handle 300 can retract downward. The operation is simple and fast; the size of the walking aid device after storage can better meet the needs of users for carrying and storing.

[0072] As Figure 8 and Figure 10 shown, the walking aid further includes wheels, and the wheels are located at one end of the storage tube away from the handle; the folding structure is connected to the wheels;

[0073] Step S200 further includes:

[0074] S210. The folding structure drives the wheels to lift upward and approach the outer tube.

[0075] In the embodiment of the present application, wheels 420 are respectively provided on both sides of each storage structure of the walking aid 400, and the folding structure 410 is also connected to the wheels 420. When the folding structure 410 moves along with the locking member 116 along the outer tube 112, it drives the wheels 420 to Figure 8 flip upward in the direction of the arrow in the figure and approach the storage tube 110. The folding structure 410 can lift and fold the wheels 420, further optimizing the size of the walking aid 400 after folding, especially the height dimension of the walking aid 400, making the size of the walking aid 400 after folding smaller and more convenient for carrying and storing.

[0076] It should be noted that the storage structure for the brake cable in the embodiment of the present application can be applied to any drivable device that requires braking, including but not limited to driving devices such as walking aids, bicycles, and electric vehicles. The number of wheels of the driving device can be multiple, and the storage structure for the brake cable of the present application is set corresponding to the number of wheels that need to be braked.

[0077] For the embodiments of the present application, it should also be noted that, without conflict, the embodiments of the present application and the features in the embodiments may be combined with each other to obtain new embodiments.

[0078] As mentioned above, the foregoing are only the preferred embodiments of the present application, and do not impose any formal limitations on the present application. The protection scope of the present application shall be subject to the protection scope of the claims. Although the present application has been disclosed above with preferred embodiments, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to equivalent embodiments by using the technical content disclosed above within the scope of the technical solution of the present application. However, as long as it does not depart from the content of the technical solution of the present application, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present application shall fall within the scope of the technical solution of the present application.

Claims

1. A storage structure for a brake line, used in conjunction with a brake switch on a handle; characterized in that: The storage structure comprises a storage tube and a brake assembly; the brake assembly is installed in the storage tube; and the handle is connected to one end of the storage tube.

2. The storage structure according to claim 1, characterized in that: The storage tube is a retractable structure, and the brake line and the storage tube always remain in a straight state.

3. The storage structure according to claim 2, characterized in that: The storage tube comprises an inner tube and an outer tube, the inner tube can move in the outer tube and extend out of the outer tube, the brake assembly is installed in the inner tube, and the handle is connected to the inner tube.

4. The storage structure according to claim 3, characterized in that: The storage tube further comprises: an adjusting member for controlling the extension range of the inner tube and a locking member for controlling the retraction range of the inner tube; the adjusting member and the brake assembly move with the inner tube.

5. The storage structure according to claim 4, characterized in that: The adjusting member comprises an adjusting rod, the outer tube is provided with a plurality of adjusting holes corresponding to the adjusting rod, and when the inner tube moves to a desired position on the outer tube, the adjusting rod extends out of the adjusting hole to connect the inner tube with the outer tube; When the inner tube is retracted to the maximum retractable range of the outer tube, the adjusting member abuts against the locking member.

6. The storage structure according to claim 5, characterized in that: The brake assembly also includes a sliding rod for limiting a maximum movement range of the inner tube.

7. The storage structure according to claim 6, characterized in that: The brake line includes a first brake line, a second brake line, a connecting member and a guide member, wherein the connecting member is located inside the guide member, and the connecting member is respectively connected to the sliding rod and the first brake line, and the sliding rod passes through the guide member and is connected to the second brake line.

8. The storage structure according to claim 7, characterized in that: When the first brake line moves along the first direction, the sliding rod is driven to move by the connecting member, and the second brake line moves along with the movement of the sliding rod.

9. A rollator, characterized in that: The rollator comprises at least two storage structures and folding structures according to any one of claims 1 to 8; the storage structures are arranged opposite to each other, and the folding structure is located between the two storage structures; the folding structure is used to bring the two storage structures closer to each other.

10. The rollator according to claim 9, characterized in that: The receiving tube comprises an inner tube and an outer tube, wherein the inner tube can move within the outer tube and extend out of the outer tube; The storage structure further includes: an adjusting member for controlling the extension range of the inner tube and a locking member for controlling the retraction range of the inner tube; the locking member is movably connected to the outer tube; The folding structure is connected to the outer tube via the locking member; The locking member includes an unlocking switch. When the inner tube is retracted to the maximum retractable range of the outer tube, the adjusting member abuts against the locking member and triggers the unlocking switch to unlock, so that the locking member can move on the outer tube.

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