Brake handle and vehicle

Abstract

The brake handle comprises a brake seat assembly, a pressing block, a connecting piece and an adjusting piece assembly, the brake seat assembly comprises a first containing bin with an opening, the pressing block comprises a second containing bin with an opening, the adjusting piece assembly is movably connected in the first containing bin, and the connecting piece is connected with the first containing bin. The brake seat assembly and the pressing block are fixedly connected to the handlebar from the two sides of the handlebar through the connecting pieces, the adjusting piece assembly is pressed to stretch out and draw back in the fastening connection process, meanwhile, the brake handle can be rotated to a proper position, the clamping block is fixed in the clamping groove in a matched mode, and therefore after the brake handle is installed on the handlebar, the brake handle can be prevented from rotating, and the brake handle can be prevented from being damaged. And the failure rate of breakage of the brake rod can be reduced, and the effect of protecting the brake rod is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to traffic tool technical field, concretely relates to a brake handle and vehicle. BACKGROUND

[0002] The brake handle of the bicycle is generally fastened on the handlebar by screw. Since the bicycle is easily pushed down or blown over by wind when parked outdoors, or squeezed between vehicles during operation and maintenance, the angle of the brake handle is rotated, and even the brake lever is broken. At present, in order to solve the rotation of the brake handle, a protrusion is arranged on the brake handle fixing seat, and a hole is arranged on the handlebar, the protrusion is inserted into the hole of the handlebar, so as to prevent the rotation of the brake handle, but this makes the failure rate of brake lever breakage rise sharply. SUMMARY

[0003] Therefore, the utility model embodiment provides a brake handle and vehicle, which can prevent the rotation of the brake handle, reduce the failure rate of brake lever breakage, and protect the brake lever.

[0004] In a first aspect, the utility model embodiment provides a brake handle, which comprises:

[0005] A brake seat assembly comprising a first accommodating bin with an opening;

[0006] A pressing block comprising a second accommodating bin with an opening;

[0007] A connecting piece connecting the brake seat assembly and the pressing block, the second accommodating bin and the first accommodating bin are oppositely arranged to form a fixing cavity for fixing the handlebar, and the connecting piece is located outside the fixing cavity;

[0008] An adjusting piece assembly movably connected in the first accommodating bin, and a plurality of clamping blocks are protruded on the inner arc surface of the adjusting piece assembly in the circumferential direction;

[0009] The clamping blocks are matched and fixed with the clamping grooves on the handlebar, and the adjusting piece assembly is pressed to extend and retract in the first accommodating bin.

[0010] Optionally, the brake seat assembly further comprises a mounting hole communicated with the first accommodating bin;

[0011] The adjusting piece assembly comprises an adjusting piece and an elastic element, the elastic element is located in the mounting hole, the adjusting piece is located in the first accommodating bin, the elastic element is connected between the inner wall of the mounting hole and the adjusting piece, and the elastic element is used for pushing the adjusting piece to reset.

[0012] Optionally, the outer side surface of the adjusting piece is provided with a connecting column, and the connecting column is provided with a screw thread.

[0013] The adjusting piece assembly further comprises an adjusting nut and a fixing member, the adjusting nut is connected to the connecting column, the adjusting nut and the connecting column are movably arranged in the mounting hole, the fixing member extends into the mounting hole from the other end of the mounting hole and is connected to the connecting column, and the elastic element is connected between the inner wall of the mounting hole and the adjusting nut.

[0014] Optionally, a plurality of clamping blocks are protruded on the inner arc surface of the adjusting piece in the circumferential direction, and are used for clamping cooperation with the clamping grooves on the handlebar.

[0015] Optionally, the first accommodating bin and the second accommodating bin are circular arcs in cross section, and the inner arc surface of the adjusting piece is a circular arc.

[0016] Optionally, a moving groove is recessed on the side of the first accommodating bin facing the mounting hole, the adjusting piece is movably arranged in the moving groove, and the bottom surface of the moving groove, the outer side surface of the adjusting piece and the inner arc surface of the adjusting piece, the bottom surface of the first accommodating bin and the bottom surface of the second accommodating bin are equal-radius circular arcs.

[0017] Optionally, the connecting column comprises a threaded hole with a top surface opening, the fixing member comprises a threaded rod and a threaded head, the threaded head is larger than the opening of the other end of the mounting hole, and the threaded rod is connected to the threaded hole.

[0018] Optionally, the brake seat assembly comprises:

[0019] The brake handle fixing seat is provided with a first accommodating bin with an opening and a mounting groove with an opening on two sides, and the first accommodating bin and the mounting groove are communicated through a mounting hole;

[0020] The brake lever is rotatably connected to the brake handle fixing seat through a connecting shaft and extends into the mounting groove.

[0021] Optionally, the brake handle fixing seat is provided with a first connecting hole, the pressing block is provided with a second connecting hole, the first connecting hole is located on the outer side of the first accommodating bin, the second connecting hole is located on the outer side of the second accommodating bin, and the pressing block and the brake handle fixing seat are tightly connected through the connecting member and are connected in the first connecting hole and the second connecting hole.

[0022] In a second aspect, the utility model further provides a vehicle, the vehicle comprises:

[0023] The left handlebar and the right handlebar are respectively provided with a plurality of clamping grooves in the circumferential direction.

[0024] Two brake handles as described in the first aspect are respectively installed on the left handlebar and the right handlebar, and the clamping block is fittedly installed in the clamping groove.

[0025] The brake handle of the embodiment comprises a brake seat assembly, a pressing block, a connecting piece and an adjusting piece assembly, the brake seat assembly comprises a first accommodating bin with an opening, the pressing block comprises a second accommodating bin with an opening, the adjusting piece assembly is movably connected in the first accommodating bin, and the brake seat assembly and the pressing block are fastenedly connected on the handlebar through the connecting piece from both sides of the handlebar. BRIEF DESCRIPTION OF DRAWINGS

[0026] The above and other objects, features and advantages of the present application will become more apparent from the following description of embodiments of the present application, taken in conjunction with the accompanying drawings, in which:

[0027] Figure 1 is a structural schematic view of the brake handle of the embodiment of the present application;

[0028] Figure 2 is a sectional view of the brake handle of the embodiment of the present application;

[0029] Figure 3 is an exploded schematic view of the brake handle of the embodiment of the present application;

[0030] Figure 4 is a structural schematic view of the brake handle fixing seat of the embodiment of the present application;

[0031] Figure 5 is a partial structural schematic view of a vehicle of the embodiment of the present application.

[0032] REFERENCE NUMERALS:

[0033] 1-brake seat assembly; 11-first accommodating bin; 12-mounting hole; 13-moving slot; 14-brake handle fixing seat; 141-first connecting hole; 15-mounting slot; 16-brake lever; 17-connecting shaft; 2-pressing block; 21-second accommodating bin; 22-second connecting hole; 3-connecting piece; 4-adjusting piece assembly; 41-adjusting piece; 411-clamping block; 42-elastic element; 43-connecting column; 431-threaded hole; 44-adjusting nut; 45-fixing piece; 451-threaded rod; 452-threaded head; 5-left handlebar; 6-right handlebar; 7-clamping groove. DETAILED DESCRIPTION

[0034] The application will be described below with reference to examples, but the application is not limited to these examples. In the following detailed description of the application, some specific details are described in detail. The application can also be fully understood without the description of these details. In order to avoid confusion of the essence of the application, the well-known methods, processes, procedures, elements and circuits are not described in detail.

[0035] In addition, those skilled in the art should understand that the drawings provided herein are for illustrative purposes only, and the drawings are not necessarily drawn to scale.

[0036] Unless otherwise clearly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be broadly understood, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0037] Unless the context clearly requires otherwise, the terms "including", "containing", and the like in the entire application should be interpreted as inclusive rather than exclusive or exhaustive; that is, as "including but not limited to".

[0038] In the description of the application, it should be understood that the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In addition, in the description of the application, unless otherwise stated, the meaning of "multiple" is two or more.

[0039] As shown in Figure 1 and Figure 2 The brake handle includes a brake seat assembly 1, a pressing block 2 and a connecting piece 3. Among them, the brake seat assembly 1 and the pressing block 2 are oppositely arranged and connected together through the connecting piece 3. In specific application, the brake seat assembly 1 and the pressing block 2 are respectively located on both sides of the handle, and then the brake seat assembly 1 and the pressing block 2 are tightly connected through the connecting piece 3, so as to fix the brake handle on the handle.

[0040] In the embodiment of the application, one side of the brake seat assembly 1 is provided with a first containing bin 11 with an opening, and one side of the pressing block 2 is provided with a second containing bin 21 with an opening, as shown in Figure 2 and Figure 3As shown. When the brake seat assembly 1 and the pressure block 2 are arranged opposite each other, the second receiving chamber 21 and the first receiving chamber 11 are arranged opposite each other. When the connecting piece 3 connects the brake seat assembly 1 and the pressure block 2 together from the outside of the second receiving chamber 21 and the first receiving chamber 11, the second receiving chamber 21 and the first receiving chamber 11 are arranged opposite each other to form a fixing cavity for fixing the handlebar, as shown. Figure 2 As shown. Connector 3 is located outside the fixing cavity to avoid interfering with the installation of the handlebars. The design of connector 3 facilitates the installation and removal of the brake lever from the handlebars.

[0041] like Figure 1 and Figure 2 As shown, an adjusting plate assembly 4 is movably connected within the first receiving chamber 11. Multiple locking blocks 411 protrude circumferentially from the inner arc-shaped surface of the adjusting plate assembly 4. When the brake lever is securely connected to the handlebars, the locking blocks 411 engage with the locking grooves 7 on the handlebars, preventing the brake lever from rotating on the handlebars and affecting its use. When the handlebars are fixed in the fixing cavity, the adjusting plate assembly 4 is compressed and can extend and retract within the first receiving chamber 11, allowing for a more suitable and secure fit between the handlebars and the brake lever. Simultaneously, when the vehicle is pushed over or overturned, the compressive extension and retraction of the adjusting plate assembly 4 causes the locking blocks 411 to disengage from the locking grooves 7, allowing the brake lever to rotate relative to the handlebars. This reduces the shear force on the brake lever, lowers the failure rate of the brake lever, and protects the brake lever.

[0042] like Figures 1-3 As shown, the brake seat assembly 1 includes a brake lever mounting base 14 and a brake lever 16. The brake lever mounting base 14 has a first receiving compartment 11 with an opening and a mounting groove 15 with an opening on each side, as shown... Figure 4 As shown. One end of the brake lever 16 extends into the mounting groove 15 and is rotatably connected to the brake lever mounting base 14 via the connecting shaft 17, and the brake lever 16 is connected to the brake cable. The brake lever mounting base 14 can withstand the force applied to the brake lever 16 and effectively transmit these forces to the braking system through the brake cable. The brake lever 16 is the control device used by the rider to activate the braking system. When the rider squeezes the brake lever 16, the force is transmitted to the brake caliper mechanically (such as by a steel cable) or hydraulically, which in turn causes the brake pads to contact the rim or disc, generating friction to slow down or stop the vehicle.

[0043] In this embodiment, the first receiving chamber 11 and the second receiving chamber 21 are configured as semi-circular cylindrical grooves, which surround and wrap around the outside of the handlebars to achieve a good fit. That is, the cross-sectional shape of the first receiving chamber 11 and the second receiving chamber 21 is an arc. The inner arc surface of the adjusting piece 41 is also an arc, which facilitates contact and connection with the handlebars. Preferably, the first receiving chamber 11 and the second receiving chamber 21 are arc grooves of equal radius, which can be better installed on the handlebars. Furthermore, the first receiving chamber 11 and the second receiving chamber 21 are minor arcs, that is, less than 180 degrees, which facilitates the connector 3 to fasten the brake seat assembly 1 and the pressure block 2 to the handlebars.

[0044] like Figure 3 and Figure 4 As shown, the brake lever holder 14 has a first connecting hole 141, and the pressure block 2 has a second connecting hole 22. The first connecting hole 141 is located outside the first receiving chamber 11, and the second connecting hole 22 is located outside the second receiving chamber 21. When the pressure block 2 and the brake lever holder 14 are arranged opposite each other, the first connecting hole 141 and the second connecting hole 22 are also arranged opposite each other. The pressure block 2 and the brake lever holder 14 are fastened together by connectors 3 within the first connecting hole 141 and the second connecting hole 22. Preferably, a first connecting hole 141 is provided on the upper and lower sides of the first receiving chamber 11, and a second connecting hole 22 is provided on the upper and lower sides of the second receiving chamber 21. The pressure block 2 and the brake lever holder 14 are fastened together by two connectors 3. The connectors 3 are locking screws.

[0045] like Figure 3 As shown, the brake seat assembly 1 (i.e., brake lever mounting seat 14) is also provided with a mounting hole 12, one end of which is connected to the first receiving chamber 11. The mounting hole 12 can be a blind hole or a through hole.

[0046] In one embodiment, the mounting hole 12 is a blind hole. In this case, the adjusting plate assembly 4 includes an adjusting plate 41 and an elastic element 42. The adjusting plate 41 is located within the first receiving chamber 11, and the elastic element 42 is located within the mounting hole 12, with one end of the elastic element 42 extending from the mounting hole 12 connected to the adjusting plate 41. When the brake lever is securely mounted to the handlebars, the handlebars compress the adjusting plate 41, causing it to move and thus satisfying the handlebars' mounting space requirements. At this time, the elastic element 42 is compressed between the bottom surface of the mounting hole 12 and the adjusting plate 41. When the brake lever is removed from the handlebars, the elastic element 42 can push the adjusting plate 41 back to its original position using the elastic force generated by compression.

[0047] The elastic element 42 can be a spring or other elastic structure. Multiple locking blocks 411 protrude circumferentially on the inner arc-shaped surface of the adjusting plate 41 to engage with the locking slot 7 on the handlebars, preventing the brake lever from rotating after installation. The shape of the adjusting plate 41 matches the shape of the first receiving chamber 11; that is, both the outer and inner arc-shaped surfaces of the adjusting plate 41 can be arcs of equal radius to the first receiving chamber 11, increasing the contact area and better securing the handlebars and brake lever.

[0048] The adjusting plate 41 has a connecting post 43 on its outer surface. The cross-sectional dimension of the connecting post 43 is smaller than the diameter of the mounting hole 12. The elastic element 42 can be sleeved on the outside of the connecting post 43. When used with the connecting post 43, the elastic element 42 can help fix the position of the adjusting plate 41 while ensuring reset. When the vehicle is pushed over or blown over, the adjusting plate 41 is compressed and moves to extend and retract, causing the locking block 411 to disengage from the locking groove 7. The brake lever rotates relative to the handlebar, thereby reducing the shear force on the brake lever, lowering the failure rate of brake lever breakage, and protecting the brake lever.

[0049] The first receiving compartment 11 has a recessed moving groove 13 on the side facing the mounting hole 12. The adjusting piece 41 can be controlled to extend and retract within the moving groove 13 to fit the handlebar. Preferably, the bottom surface of the moving groove 13, the outer and inner arc-shaped surfaces of the adjusting piece 41, the bottom surface of the first receiving compartment 11, and the bottom surface of the second receiving compartment 21 are all circular arcs of equal radius, which increases the contact area with the circumferential side of the handlebar, making the installation more secure.

[0050] In another embodiment, the mounting hole 12 is a through hole, which connects the first receiving chamber 11 and the mounting groove 15, such as... Figure 4 As shown. The opening of the mounting hole 12 near the first receiving chamber 11 is larger than the opening near the mounting groove 15, as shown. Figure 2 As shown. The adjusting plate assembly 4 includes an adjusting plate 41, an elastic element 42, an adjusting nut 44, and a fixing member 45, as shown. Figure 3 As shown. The outer surface of the adjusting plate 41 is provided with a connecting post 43, and the connecting post 43 is threaded, as shown... Figure 3As shown. The adjusting nut 44 is threaded onto the connecting post 43 and can be screwed into and out of the connecting post 43. The elastic element 42 can be inserted into the connecting post 43, and the elastic element 42 is larger than the opening of the mounting hole 12 near the mounting groove 15. After the elastic element 42, adjusting nut 44 and adjusting plate 41 are combined, they extend into the mounting hole 12 from the opening near the first receiving chamber 11. The elastic element 42 is confined between the inner wall of the bottom surface of the mounting hole 12 and the adjusting nut 44. The fixing member 45 extends into the mounting hole 12 from the opening near the mounting groove 15 and is locked to the connecting post 43. After the fixing member 45 is locked to the connecting post 43, a moving space is formed between the adjusting plate 41 and the inner wall of the first receiving chamber 11. The fixing member 45 is used to movably connect the adjusting plate 41 to the brake lever fixing seat 14, which can prevent the adjusting plate 41, elastic element 42 and adjusting nut 44 from falling off and being lost after the brake lever is removed.

[0051] The adjusting nut 44, screwed into the connecting post 43 via a thread, adjusts the compression of the elastic element 42 within the mounting hole 12, thereby controlling the extension and retraction of the adjusting piece 41. Specifically, the connecting post 43 includes a threaded hole 431 with an opening on its top surface, and the fixing member 45 includes a threaded rod 451 and a threaded head 452. The threaded head 452 is larger than the opening at the other end of the mounting hole 12 (i.e., the opening near the mounting groove 15). The threaded rod 451 connects to the threaded hole 431, and the threaded head 452 is used to limit the movement of the adjusting piece 41, preventing it from falling off or being lost.

[0052] The first receiving compartment 11 has a recessed moving groove 13 on the side facing the mounting hole 12. The adjusting piece 41 can be controlled to extend and retract within the moving groove 13 to fit the handlebar. Preferably, the bottom surface of the moving groove 13, the outer and inner arc-shaped surfaces of the adjusting piece 41, the bottom surface of the first receiving compartment 11, and the bottom surface of the second receiving compartment 21 are all circular arcs of equal radius, which increases the contact area with the circumferential side of the handlebar, making the installation more secure.

[0053] The brake lever of this embodiment includes a brake seat assembly, a pressure block, a connector, and an adjusting plate assembly. The brake seat assembly includes a first receiving chamber with an opening, and the pressure block includes a second receiving chamber with an opening. The adjusting plate assembly is movably connected to the first receiving chamber. The brake seat assembly and the pressure block are fastened to the handlebar from both sides through the connector. During the fastening process, the adjusting plate assembly is compressed and moves in a telescopic motion, which can rotate the brake lever to a suitable position and engage the locking block in the locking groove. Thus, after the brake lever is installed on the handlebar, it can prevent the brake lever from rotating and reduce the failure rate of brake lever breakage, thereby protecting the brake lever.

[0054] This embodiment also provides a vehicle, which includes a left handlebar 5, a right handlebar 6, and two brake levers, such as...Figure 5 As shown. The left handlebar 5 and right handlebar 6 each have multiple slots 7 arranged along their circumference. The brake levers are the same as in the above embodiment. The two brake levers are respectively mounted on the left handlebar 5 and right handlebar 6, and the locking block 411 on the brake lever adjustment plate assembly 4 is fitted into the slots 7.

[0055] The brake lever installation process on the handlebars is as follows: First, assemble and connect the brake seat assembly 1 and the adjusting plate assembly 4 together, then fix them to the handlebars together with the pressure block 2, and slightly tighten them with two connecting pieces 3. Then, rotate the brake lever to the appropriate position so that the locking block 411 engages in the locking groove 7, and then tighten the connecting pieces 3 again. The precision of the brake lever rotation is related to the density of the locking grooves 7 on the handlebars.

[0056] During parking, the vehicle may tip over due to human error or wind. When the brake lever is subjected to excessive force, the brake lever retainer rotates, pushing the adjusting plate backward. The brake lever retainer can then rotate circumferentially along the handlebars, reducing the shear force on the brake lever and protecting it from breakage. During normal use, the elastic element maintains a suitable thrust, ensuring proper engagement between the handlebar slot and the adjusting plate, preventing the brake lever from rotating back and forth. This solves the problem of brake lever breakage caused by easy rotation or a completely immobile brake lever retainer and handlebar structure.

[0057] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A brake lever, characterized in that, The brake lever includes: Brake seat assembly (1) includes a first receiving compartment (11) having an opening; The compact (2) includes a second receiving compartment (21) with an opening; A connector (3) connects the brake seat assembly (1) and the pressure block (2). The second receiving chamber (21) and the first receiving chamber (11) are arranged opposite to each other to form a fixing cavity for fixing the handlebar. The connector (3) is located outside the fixing cavity. The adjusting plate assembly (4) is movably connected in the first receiving compartment (11), and multiple locking blocks (411) are protruding along the circumferential direction on the inner arc surface of the adjusting plate assembly (4). The locking block (411) is engaged and fixed with the locking slot (7) on the handlebar, and the adjusting plate assembly (4) is pressed and moves within the first receiving chamber (11).

2. The brake lever according to claim 1, characterized in that, The brake seat assembly (1) also includes a mounting hole (12) communicating with the first receiving chamber (11); The adjusting plate assembly (4) includes an adjusting plate (41) and an elastic element (42). The elastic element (42) is located in the mounting hole (12), and the adjusting plate (41) is located in the first receiving chamber (11). The elastic element (42) is connected between the inner wall of the mounting hole (12) and the adjusting plate (41). The elastic element (42) is used to push the adjusting plate (41) to reset.

3. The brake lever according to claim 2, characterized in that, The outer side of the adjusting plate (41) is provided with a connecting post (43), and the connecting post (43) is provided with threads; The adjusting plate assembly (4) further includes an adjusting nut (44) and a fixing member (45). The adjusting nut (44) is connected to the connecting post (43). The adjusting nut (44) and the connecting post (43) are movably disposed in the mounting hole (12). The fixing member (45) extends from the other end of the mounting hole (12) into the mounting hole (12) and is connected to the connecting post (43). The elastic element (42) is connected between the inner wall of the mounting hole (12) and the adjusting nut (44).

4. The brake lever according to claim 2, characterized in that, The inner arc surface of the adjustment piece (41) is provided with a plurality of locking blocks (411) protruding along the circumferential direction, which are used to engage with the locking slot (7) on the handlebar.

5. The brake lever according to claim 2, characterized in that, The cross-sectional shape of the first receiving chamber (11) and the second receiving chamber (21) is an arc, and the inner arc surface of the adjusting plate (41) is an arc.

6. The brake lever according to claim 5, characterized in that, The first receiving chamber (11) has a recessed moving groove (13) on the side facing the mounting hole (12). The adjusting piece (41) is movably disposed in the moving groove (13). The bottom surface of the moving groove (13), the outer surface of the adjusting piece (41), the inner arc surface of the adjusting piece (41), the bottom surface of the first receiving chamber (11), and the bottom surface of the second receiving chamber (21) are arcs of equal radius.

7. The brake lever according to claim 3, characterized in that, The connecting post (43) includes a threaded hole (431) with a top opening, and the fastener (45) includes a threaded rod (451) and a threaded head (452), the threaded head (452) being larger than the opening at the other end of the mounting hole (12), and the threaded rod (451) being connected to the threaded hole (431).

8. The brake lever according to claim 3, characterized in that, The brake seat assembly (1) includes: The brake lever mounting base (14) has a first receiving compartment (11) with an opening and a mounting groove (15) with an opening on both sides, and the first receiving compartment (11) and the mounting groove (15) are connected through a mounting hole (12). The brake lever (16) has one end inserted into the mounting groove (15) and is rotatably connected to the brake lever fixing seat (14) via the connecting shaft (17).

9. The brake lever according to claim 8, characterized in that, The brake lever fixing seat (14) is provided with a first connecting hole (141), and the pressure block (2) is provided with a second connecting hole (22). The first connecting hole (141) is located outside the first receiving chamber (11), and the second connecting hole (22) is located outside the second receiving chamber (21). The pressure block (2) and the brake lever fixing seat (14) are connected and fastened in the first connecting hole (141) and the second connecting hole (22) through the connector (3).

10. A vehicle, characterized in that, The vehicles include: The left handlebar (5) and the right handlebar (6) are each provided with multiple slots (7) along the circumference; Two brake levers as described in any one of claims 1-9 are respectively mounted on the left handlebar (5) and the right handlebar (6), and the locking block (411) of the brake lever is fitted into the locking groove (7).

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