A bicycle function integrated bracket and a speedometer bracket

Abstract

The utility model discloses a bicycle function integrated support and code table support, bicycle function integrated support includes connecting portion, installation casing, extension seat and fastening assembly. Extension seat has the spacing structure to installation casing and the extension interface of back to installation casing, and the spacing structure is inserted into the accommodation cavity and is located with the anti -loss device when extension seat installation, and the extension interface is used for the detachable connection bicycle extension accessory. Fastening assembly includes the multiple connecting holes of setting on the circumferential side wall of installation casing, sets up the connecting cooperation part on extension seat and passes through the fastener of connecting hole and the joint of connecting cooperation part. Through the abutting limit design of spacing structure to anti -loss device, realizes the stable fixation of anti -loss device, and extension interface can connect code table disc, mobile phone support and a variety of accessories. The compact structure of the case, convenient installation, high integration, realize anti -loss function and diversification function extension simultaneously.

Description

Technical Field

[0001] This utility model relates to the field of bicycle accessories technology, and in particular to a bicycle functional integrated bracket and a speedometer bracket. Background Technology

[0002] With the popularization of cycling and the development of urban cycling culture, the functional requirements for bicycle accessories are becoming increasingly diversified. Users want to install multiple functional devices such as cycling computers, phone holders, lights, and bells within the limited handlebar space. Existing bicycle brackets typically only meet single-function requirements. To achieve multi-functional integration, users need to purchase and install multiple independent brackets, which not only increases costs and installation complexity but also occupies too much handlebar space, affecting riding control. Meanwhile, with the increasing prominence of bicycle theft, users have a growing need for bicycle anti-theft features. However, traditional mechanical locks have limited anti-theft effectiveness, while independent electronic anti-loss devices lack suitable installation locations and protective measures. Therefore, current technology lacks a bicycle bracket solution that can simultaneously integrate anti-theft and multiple extended functions, failing to meet users' actual needs for functional integration, ease of installation, and maximized space utilization. Utility Model Content

[0003] In order to overcome the shortcomings of the existing technology, this utility model provides a bicycle functional integrated bracket and a speedometer bracket with anti-loss function and expansion interface.

[0004] The technical solution adopted by this utility model to solve its technical problem is: A bicycle functional integrated bracket includes: a connecting part, a mounting housing, an extension seat, and a fastening assembly; the connecting part is used to connect to the bicycle handlebars, and the mounting housing is fixedly connected to the connecting part and has an internal cavity for installing an anti-loss device; The extension base has a limiting structure facing the mounting housing and an extension interface facing away from the mounting housing, wherein the limiting structure extends into the receiving cavity and abuts against and limits the anti-loss device placed therein when the extension base is installed, and the extension interface is used for detachably connecting bicycle extension accessories; The fastening assembly includes a plurality of connecting holes disposed on the circumferential sidewall of the mounting housing, a connecting mating part disposed on the expansion base and corresponding to the position of the connecting holes, and a fastener passing through the connecting holes and engaging with the connecting mating part; The fastener secures the extension seat to the mounting housing via the fastening assembly, while simultaneously keeping the limiting structure in a stop-and-limit position against the anti-loss device.

[0005] Furthermore, the anti-loss device receiving cavity of the mounting housing includes a first cavity segment and a second cavity segment arranged coaxially. The second cavity segment is disposed adjacent to the extension seat and its radial dimension is larger than that of the first cavity segment. A first annular bearing step is formed at the connection between the first cavity segment and the second cavity segment. The anti-loss device is housed in the first cavity segment. The connecting hole is disposed on the circumferential sidewall of the second cavity segment. At least a portion of the structure of the extension seat extends into the second cavity segment, and the embedded end of the extension seat axially abuts against the first bearing step.

[0006] Furthermore, a second bearing step is formed at the edge of the opening end of the second cavity segment; a first positioning part is provided on the second bearing step; the cover end face of the extension seat covers the second bearing step, and a second positioning part is provided on the extension seat corresponding to the first positioning part; the first positioning part and the second positioning part cooperate with each other to perform circumferential and / or radial positioning of the extension seat before the fastener is engaged.

[0007] Furthermore, the first positioning part is at least one protrusion or recess disposed on the second bearing step; the second positioning part is at least one recess or protrusion disposed on the end face of the extension seat cover, which is complementary in shape to the first positioning part; the first positioning part and the second positioning part are distributed circumferentially at intervals and are equal in number.

[0008] Furthermore, at least one circumferential waterproof groove is provided on the side wall of the embedded part of the extension seat that extends into the second cavity section; an annular waterproof seal is embedded in the waterproof groove, and the waterproof seal is interference-fitted with the inner wall of the second cavity section.

[0009] Furthermore, the connecting part is an independent fastening block; the expansion seat has a through hole corresponding to the connection hole of the mounting housing; the fastener passes through the connection hole on the circumferential side wall of the mounting housing and the through hole of the expansion seat in sequence, and is then fixedly connected to the fastening block.

[0010] Furthermore, a limiting part is provided at the through hole position of the expansion seat; the fastening block is accommodated and confined within the limiting part.

[0011] Furthermore, the connecting part includes: an arc-shaped connecting section, the inner arc surface of which is adapted to the circumferential curved surface of the bicycle handlebar; a fixing hole located at the first end of the arc-shaped connecting section; a flexible connecting strip located at the second end of the arc-shaped connecting section opposite to the first end; and a connecting adjustment structure distributed along the length direction of the flexible connecting strip; wherein, after the flexible connecting strip passes through the fixing hole, it is locked in place by the connecting adjustment structure and the fixing hole, so that the arc-shaped connecting section tightly covers the surface of the handlebar.

[0012] Furthermore, the handlebar connection includes a connecting piece that protrudes outward perpendicular to the mounting housing; the connecting piece has a through-type connecting channel.

[0013] A cycling computer bracket includes the aforementioned integrated bicycle function bracket, and also includes a cycling computer dial, the base of which is connected via a functional expansion interface of a mounting housing.

[0014] The beneficial effects of this utility model are: This utility model discloses a bicycle integrated bracket, comprising a connecting part, a mounting shell, an extension base, and a fastening assembly. The extension base has a limiting structure facing the mounting shell and an extension interface facing away from the mounting shell. The limiting structure extends into the receiving cavity and abuts against an anti-loss device during installation. The extension interface is used for detachably connecting bicycle extension accessories. The fastening assembly includes multiple connecting holes on the circumferential side wall of the mounting shell, a connecting mating part on the extension base, and fasteners that pass through the connecting holes and engage with the connecting mating part. By incorporating an anti-loss device, the bicycle's anti-theft function is achieved. Simultaneously, through the extension interface on the extension base, users can flexibly install various functional accessories such as a speedometer, phone holder, bell, and lights according to their actual riding needs, achieving a multi-functional integrated effect with a single bracket, greatly improving the product's practicality and applicability. The fasteners penetrate from the side wall of the mounting shell and connect to the extension base. This side connection not only ensures a secure connection between the extension base and the mounting shell but, more importantly, avoids occupying installation space on the extension base surface. This allows the entire surface area of ​​the extension base to be used for setting up the extension interface or installing other functional accessories, maximizing the use of limited installation space. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0016] Figure 1 This is a three-dimensional structural schematic diagram of the present invention; Figure 2 This is a cross-sectional structural schematic diagram of the present invention; Figure 3 This is a schematic diagram of the disassembled structure of this utility model; Figure 4 This is a schematic diagram of the mounting housing of this utility model; Figure 5 This is a schematic diagram of the structure of the expansion base of this utility model; Figure 6 This is a structural schematic diagram of one embodiment of the present invention.

[0017] in, 100. Connecting part; 110. Arc-shaped connecting section; 111. Fixing hole; 120. Flexible connecting strip; 121. Connecting adjustment structure; 130. Connecting piece; 131. Connecting channel; 200. Mounting housing; 210. Receiving cavity; 211. First cavity section; 212. Second cavity section; 213. First bearing step; 214. Second bearing step; 2141. First positioning part; 300, extension base; 310, limiting structure; 320, extension interface; 330, second positioning part; 340, waterproof groove; 350, through hole; 360, limiting part; 400. Fastening assembly; 410. Connecting hole; 420. Connecting mating part; 421. Fastening block; 430. Fastener; 500. Anti-loss device; 600, dial clock. Detailed Implementation

[0018] The following will clearly and completely describe the concept, specific structure, and technical effects of this utility model in conjunction with embodiments and accompanying drawings, so as to fully understand the purpose, features, and effects of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. Other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are all within the scope of protection of this utility model. Furthermore, all connections / linkages involved in the patent do not simply refer to direct contact between components, but rather to the ability to form a better connection structure by adding or reducing connecting accessories according to specific implementation conditions. The various technical features in this utility model can be combined interactively without contradicting each other.

[0019] Reference Figure 1-5A bicycle integrated bracket includes a connecting part 100, a mounting housing 200, an extension base 300, and a fastening assembly 400. The connecting part 100 is used to connect to a bicycle handlebar. The mounting housing 200 is fixedly connected to the connecting part 100 and has an internal cavity 210 for mounting an anti-loss device 500. The extension base 300 has a limiting structure 310 facing the mounting housing 200 and an expansion interface 320 facing away from the mounting housing 200. The limiting structure 310 extends into the cavity 210 when the extension base 300 is installed and abuts against the anti-loss device 500 placed therein. The expansion interface 320 is used for detachable connection of bicycle extension accessories; the fastening assembly 400 includes a plurality of connection holes 410 disposed on the circumferential side wall of the mounting housing 200, a connection mating part 420 disposed on the extension base 300 and corresponding to the position of the connection holes 410, and a fastener 430 passing through the connection holes 410 and engaging with the connection mating part 420; the fastener 430 fastens the extension base 300 to the mounting housing 200 through the fastening assembly 400, and at the same time keeps the limiting structure 310 in an abutting and limiting state against the anti-loss device 500.

[0020] Understandably, the connecting part 100 is first manufactured through machining or molding. This connecting part 100 adopts an arc-shaped or clamping structure to closely fit the cylindrical outer surface of the bicycle handlebar. Then, the mounting housing 200 is connected to the connecting part 100 by bolt fixing, welding, or integral molding. Next, a receiving cavity 210 with a specific depth and diameter is formed inside the mounting housing 200 through machining. The size of the receiving cavity 210 needs to match the outer contour of the anti-loss device 500 to ensure that the anti-loss device 500 can be stably installed therein. Subsequently, when manufacturing the extension base 300, a limiting structure 310 needs to be set on one side. The geometry and size of the limiting structure 310 are designed to smoothly extend into the receiving cavity 210 and abut against the surface of the anti-loss device 500. At the same time, an extension interface 320 is set on the other side of the extension base 300. The extension interface 320 adopts standardized threaded holes, snap slots, or other connection forms to enable detachable connection of various bicycle extension accessories.

[0021] Reference Figure 3 , 5Next, multiple connecting holes 410 are drilled at equal intervals on the circumferential sidewall of the mounting housing 200. The holes are positioned to avoid the receiving cavity 210 area and ensure uniform transmission of the fastening force. Then, a connecting mating part 420 is provided on the extension seat 300 corresponding to the connecting holes 410. This connecting mating part 420 can be a threaded hole, a nut, or other structure that can effectively engage with the fastener 430. Finally, the fastener 430 is passed through each connecting hole 410 on the circumferential sidewall of the mounting housing 200 in sequence, and then threaded or otherwise mechanically engaged with the connecting mating part 420 on the extension seat 300. During the fastening process, it is necessary to ensure that the limiting structure 310 of the extension seat 300 always maintains the contact pressure against the anti-loss device 500, thereby achieving a firm connection between the extension seat 300 and the mounting housing 200 and a reliable limiting of the anti-loss device 500.

[0022] In some embodiments, refer to Figure 6 The connecting part 100 includes: an arc-shaped connecting section 110, the inner arc surface of which is adapted to the circumferential curved surface of a bicycle handlebar; a fixing hole 111 located at the first end of the arc-shaped connecting section 110; a flexible connecting strip 120 located at the second end of the arc-shaped connecting section 110 opposite to the first end; and a connecting adjustment structure 121 distributed along the length direction of the flexible connecting strip 120. The flexible connecting strip 120 passes through the fixing hole 111 and is locked in place by the connecting adjustment structure 121, so that the arc-shaped connecting section 110 tightly covers the handlebar surface. The inner arc surface of the arc-shaped connecting section 110 needs to be designed according to the diameter specifications of common bicycle handlebars to ensure that its inner arc surface contour fits the circumferential curved surface of the handlebar. The fixing hole 111 is drilled at the first end of the arc-shaped connecting section 110, and the diameter and shape of the fixing hole 111 need to allow the flexible connecting strip 120 to pass through smoothly and remain stable under tension. Next, a flexible connecting strip 120 is installed or integrally formed at the second end of the arc-shaped connecting section 110 opposite to the first end. The flexible connecting strip 120 can be made of materials such as high-strength nylon braided strip, steel wire rope coated strip or polyester fiber strip to ensure sufficient tensile strength and durability. Then, a connecting adjustment structure 121 is set along the length of the flexible connecting strip 120 at a predetermined interval.

[0023] Specifically, the adjustment structure can take the form of toothed clips, Velcro segments, elastic buckles, or ratchet racks, providing multi-level adjustable fastening options. During actual installation, first, the inner arc surface of the curved connecting section 110 is pressed tightly against the handlebar surface to maximize the contact area and distribute the clamping force. Then, the flexible connecting strap 120 is wrapped around the other side of the handlebar, starting from the second end of the curved connecting section 110. The free end of the connecting strap is then passed through the fixing hole 111 at the first end. Next, the flexible connecting strap 120 is gradually tightened by adjusting the connecting adjustment structure 121 step by step until the curved connecting section 110 and the handlebar surface form a tight wrap. Finally, the locking mechanism of the connecting adjustment structure 121 secures the final position of the flexible connecting strap 120, ensuring that the entire connection 100 will not loosen due to vibration or load changes during long-term use.

[0024] Or, refer to Figure 1 , 2 In some implementations, the handlebar connector 100 includes a connecting piece 130 protruding outward perpendicular to the mounting housing 200; the connecting piece 130 has a through-type connecting channel 131. It is understood that, firstly, a fixed position for the connecting piece 130 is set on the outer surface of the mounting housing 200. The connecting piece 130 protrudes outward perpendicular to the main axis of the mounting housing 200 to mate with a dedicated interface on the handlebar. Then, the connecting piece 130 is securely mounted on the mounting housing 200 through welding, bolting, or integral molding. The material of the connecting piece 130 should be a metal material of the same or higher strength as the mounting housing 200 to ensure reliable connection. Next, a through-type connecting channel 131 is provided on the connecting piece 130. This connecting channel 131 can be set in a circular, square, hexagonal, or other specific geometric cross-section, the specific shape of which needs to strictly match the standard of the plug interface on the target bicycle handlebar.

[0025] In some embodiments, refer to Figure 2-4The anti-loss device 500 receiving cavity 210 of the mounting housing 200 includes a first cavity segment 211 and a second cavity segment 212 arranged coaxially. The second cavity segment 212 is disposed adjacent to the extension seat 300 and its radial dimension is larger than that of the first cavity segment 211. A first annular bearing step 213 is formed at the connection between the first cavity segment 211 and the second cavity segment 212. The anti-loss device 500 is housed in the first cavity segment 211. The connecting hole 410 is disposed on the circumferential sidewall of the second cavity segment 212. At least a portion of the structure of the extension seat 300 extends into the second cavity segment 212, and the embedded end of the extension seat 300 axially abuts against the first bearing step 213. The anti-loss device 500 is housed in the first cavity 211, so that the outer contour of the anti-loss device 500 fits tightly with the inner wall of the first cavity 211, ensuring that the anti-loss device 500 remains in a stable installation state in the first cavity 211 without moving or rotating. Then, multiple connecting holes 410 are provided at predetermined angle intervals on the circumferential sidewall of the second cavity 212. The position distribution of these connecting holes 410 needs to avoid the area of ​​the first cavity 211 and ensure the uniform transmission of the fastening force.

[0026] Subsequently, at least a portion of the structure of the extension base 300 is slowly inserted into the second cavity 212. The depth and position of insertion are controlled so that the embedded end of the extension base 300 can axially abut against the surface of the first bearing step 213. At this time, the limiting structure 310 of the extension base 300 will simultaneously form an abutment relationship with the anti-loss device 500 housed in the first cavity 211, thereby effectively limiting and fixing the anti-loss device 500. Finally, the fastener 430 is fixedly connected to the connecting mating part 420 on the extension base 300 through the connecting hole 410 on the circumferential side wall of the second cavity 212. During the fastening process, it is necessary to ensure that the embedded end of the extension base 300 always maintains an axial abutment state against the first bearing step 213, while maintaining the abutment pressure of the limiting structure 310 on the anti-loss device 500.

[0027] In some embodiments, refer to Figure 2 , 4A second bearing step 214 is provided at the edge of the opening end of the second cavity 212. The step is designed to ensure that its surface is perpendicular to the axis of the second cavity 212, thus providing a bearing foundation for the closing end face of the extension seat 300. Then, first positioning parts 2141 are provided on the surface of the second bearing step 214 at predetermined angles. These first positioning parts 2141 can be configured as protrusions, grooves, positioning pins, or other geometric positioning features, and their size and position need to match the corresponding structure on the extension seat 300. Next, a second positioning part 330 is provided on the closing end face of the extension seat 300 at the position corresponding to the first positioning part 2141. The shape of the second positioning part 330 needs to form a complementary fit with the first positioning part 2141. For example, when the first positioning part 2141 is configured as a protrusion, the second positioning part 330 is configured as a corresponding groove, and vice versa, to ensure that the two can achieve accurate fitting.

[0028] Subsequently, during installation, the cover face of the extension base 300 is gently placed on the second bearing step 214, ensuring the cover face completely covers the surface of the second bearing step 214. Then, the extension base 300 is slightly rotated or translated to find the alignment position of the first positioning part 2141 and the second positioning part 330. A change in the engagement resistance between the positioning parts indicates that the positioning is in place. Next, with the first positioning part 2141 and the second positioning part 330 engaged, the extension base 300 automatically achieves circumferential and radial positioning. At this time, the connecting part 420 on the extension base 300 aligns with the connecting hole 410 on the circumferential sidewall of the second cavity section 212, creating conditions for the subsequent insertion and engagement of the fastener 430. Inserting the fastener 430 and tightening it in the pre-positioned state eliminates the need for repeated adjustments to the angle or position of the extension base 300, greatly simplifying the installation operation.

[0029] Specifically, at least one protrusion or recess is provided on the surface of the second bearing step 214 at predetermined circumferential angular intervals as a first positioning part 2141. These positioning parts can be configured as circular protrusions, square protrusions, circular recesses, or square recesses, etc., with their height or depth typically set within the range of 1-3 mm to ensure effective positioning without affecting the overall appearance. Then, a second positioning part 330 with a complementary shape to the first positioning part 2141 is provided at the corresponding position on the closing end face of the extension seat 300. When the first positioning part 2141 is configured as a protrusion, the second positioning part 330 is configured as a recess of the corresponding depth, and vice versa. Next, it is ensured that the first positioning part 2141 and the second positioning part 330 are distributed at the same angular intervals in the circumferential direction, and the number of both must be equal. For example, two, three, four, or more positioning parts can be provided evenly distributed in the circumferential direction, thereby providing multiple installation options for the extension seat 300 at different angles. During the installation process, the extension base 300 is placed on the second bearing step 214 and rotated slowly until the second positioning part 330 is fully aligned and engaged with the first positioning part 2141. At this point, a noticeable change in positioning resistance will be felt, indicating that the positioning engagement has been completed.

[0030] In some embodiments, refer to Figure 5 At least one circumferential waterproof groove 340 is formed on the cylindrical sidewall surface of the embedded portion of the extension seat 300 extending into the second cavity section 212. The depth of the waterproof groove 340 is typically set in the range of 0.5-2 mm, and the width is matched according to the specifications of the selected waterproof seal. Then, an annular waterproof seal of appropriate material and size is selected and embedded into the waterproof groove 340. Commonly used seal materials include nitrile rubber, fluororubber, or silicone rubber, which are materials with good elasticity and weather resistance. Next, the annular waterproof seal is embedded into the waterproof groove 340, ensuring that the seal is evenly distributed in the groove. The outer diameter of the seal needs to be set slightly larger than the bottom diameter of the waterproof groove 340, so that it can form an interference fit with the inner wall of the second cavity section 212 after installation. Subsequently, when the extension seat 300 is inserted into the second cavity section 212, the waterproof seal will undergo radial compression deformation due to the interference fit, tightly adhering to the inner wall surface of the second cavity section 212, forming a continuous annular sealing barrier. For example, when riding in the rain, the anti-loss device 500 and related electronic components inside the odometer bracket can be effectively protected, preventing external pollutants such as rainwater and mud from entering the cavity 210 through the gap between the extension base 300 and the mounting housing 200, thus ensuring the long-term stable operation of the anti-loss device 500 and the safety protection of the odometer device.

[0031] In some embodiments, refer to Figure 3The connecting part 420 is an independent fastening block 421 structure. The fastening block 421 can be a metal block with a hexagonal, square, or circular cross-section. It has a threaded hole or other connecting structure inside that mates with the fastener 430. Then, a through hole 350 is opened on the expansion seat 300 corresponding to the position of the connecting hole 410 of the housing 200. The diameter of the through hole 350 needs to be slightly larger than the outer diameter of the fastener 430 to ensure that the fastener 430 can pass through smoothly. Next, a limiting part 360 is provided at the position of the through hole 350 of the expansion seat 300. The limiting part 360 can be a groove, recess, or other geometric structure that can accommodate the fastening block 421. The size of the limiting part 360 needs to be closely matched with the shape of the fastening block 421 to ensure that the fastening block 421 can be fully accommodated and confined within the limiting part 360 without moving or rotating. The fastening block 421 is then placed into the limiting part 360, ensuring that the threaded hole or connecting structure of the fastening block 421 is coaxially aligned with the through hole 350. Next, the fastener 430 is sequentially passed through the connecting hole 410 on the circumferential side wall of the mounting housing 200 and the through hole 350 of the expansion seat 300, and finally fixed to the fastening block 421 housed in the limiting part 360 via threaded connection or other methods. The fastener 430 is then fixed to the fastening block 421 by rotation. During the tightening process, the fastening block 421 remains stable due to the constraint of the limiting part 360, thereby achieving reliable fixation of the entire expansion seat 300.

[0032] A odometer bracket, as shown in the reference Figure 1-3 The system includes the aforementioned integrated bicycle bracket and a speedometer dial 600. The base of the speedometer dial 600 is connected to the functional expansion interface 320 of the mounting housing 200. Align the connection structure of the speedometer dial 600 base with the opening of the functional expansion interface 320, ensuring the axes of the speedometer dial 600 and the functional expansion interface 320 are coaxial. Slowly insert the base into the interface and then perform a fixing operation according to the connection method. When using a snap-fit ​​connection, push the base in until the snap is fully engaged and a clicking sound is heard. When using a threaded connection, rotate the base clockwise until it is securely fastened. When using a quick-release mechanism, operate the quick-release handle to the locked position.

[0033] Alternatively, a phone holder can be installed on other function expansion interfaces 320 using the same connection method. The base of the phone clamping device is inserted into the function expansion interface 320 and fixed according to the corresponding connection method. Then, the opening and closing range of the clamping arm is adjusted to fit the phone size and the optimal viewing angle is set. Next, a bell device can be installed. The bell body is connected to the function expansion interface 320 using a dedicated mounting clamp, and the installation position is fixed after ensuring the hammer mechanism is working properly.

[0034] The above is a detailed description of the preferred embodiments of the present utility model. However, the present utility model is not limited to the described embodiments. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present utility model. All such equivalent modifications or substitutions are included within the scope defined by the claims of this application.

Claims

1. A bicycle functional integrated bracket, characterized in that, include: Connecting parts, mounting housing, expansion mount, and fastening components; The connecting part is used to connect the bicycle handlebars, and the mounting housing is fixedly connected to the connecting part and has a cavity inside for installing the anti-loss device; The extension base has a limiting structure facing the mounting housing and an extension interface facing away from the mounting housing, wherein the limiting structure extends into the receiving cavity and abuts against and limits the anti-loss device placed therein when the extension base is installed, and the extension interface is used for detachably connecting bicycle extension accessories; The fastening assembly includes a plurality of connecting holes disposed on the circumferential sidewall of the mounting housing, a connecting mating part disposed on the expansion base and corresponding to the position of the connecting holes, and a fastener passing through the connecting holes and engaging with the connecting mating part; The fastener secures the extension seat to the mounting housing via the fastening assembly, while simultaneously keeping the limiting structure in a stop-and-limit position against the anti-loss device.

2. The bicycle functional integrated bracket according to claim 1, characterized in that, The anti-loss device receiving cavity of the mounting housing includes a first cavity section and a second cavity section arranged coaxially. The second cavity section is arranged adjacent to the extension seat and its radial dimension is larger than that of the first cavity section. The connection between the first cavity section and the second cavity section forms an annular first bearing step. The anti-loss device is housed within the first cavity section; The connecting hole is disposed on the circumferential sidewall of the second cavity section; At least a portion of the structure of the extension seat extends into the second cavity, and the embedded end of the extension seat axially abuts against the first bearing step.

3. The bicycle functional integrated bracket according to claim 2, characterized in that, The opening edge of the second cavity section has a second bearing step; A first positioning part is provided on the second bearing step; The cover end face of the extension seat covers the second bearing step, and a second positioning part is provided on the extension seat corresponding to the first positioning part; The first positioning part and the second positioning part cooperate with each other to perform circumferential and / or radial positioning of the extension seat before the fastener is engaged.

4. The bicycle functional integrated bracket according to claim 3, characterized in that, The first positioning part is at least one protrusion or recess provided on the second bearing step; The second positioning part is at least one recess or protrusion that is complementary in shape to the first positioning part and is provided on the end face of the expansion seat cover; The first positioning part and the second positioning part are distributed at intervals along the circumference and are equal in number.

5. The bicycle functional integrated bracket according to claim 2, characterized in that, At least one circumferential waterproof groove is provided on the side wall of the embedded part of the extension seat that extends into the second cavity section; The waterproof groove is fitted with an annular waterproof seal, which is interference-fitted with the inner wall of the second cavity.

6. The bicycle functional integrated bracket according to claim 1, characterized in that, The connecting and mating part is an independent fastening block; The expansion base is provided with a through hole corresponding to the connection hole position of the mounting housing; The fastener passes sequentially through the connecting hole on the circumferential side wall of the mounting housing and the through hole of the expansion seat, and is then fixedly connected to the fastening block.

7. The bicycle functional integrated bracket according to claim 6, characterized in that, A limiting part is provided at the through hole position of the expansion seat; The fastening block is accommodated and confined within the limiting portion.

8. The bicycle functional integrated bracket according to claim 1, characterized in that, The connecting part includes: The arc-shaped connecting section has an inner arc surface profile that adapts to the circumferential curved surface of the bicycle handlebars; A fixing hole is provided at the first end of the arc-shaped connecting section; A flexible connecting strip is provided at the second end of the arc-shaped connecting segment opposite to the first end; The connecting adjustment structure is distributed along the length direction of the flexible connecting strip; Wherein, after the flexible connecting strip passes through the fixing hole, it is locked in place with the fixing hole by the connecting adjustment structure, so that the arc-shaped connecting section tightly covers the handlebar surface.

9. The bicycle functional integrated bracket according to claim 1, characterized in that, The connecting part includes a connecting piece that protrudes outward perpendicular to the mounting housing; The connecting piece has a through-type connecting channel.

10. A bicycle computer bracket, comprising the integrated bicycle function bracket as described in any one of claims 1-9, characterized in that, It also includes a code dial, the base of which is connected via a functional expansion interface of the mounting housing.

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