Stable bicycle frame

By introducing limiting ports, sliding ports, and locking parts into the bicycle frame for support pillar one and support pillar two, the problem of complex disassembly when the support is damaged in the existing technology is solved, realizing the quick disassembly and replacement of the support, and improving the stability of the frame and riding safety.

CN223821903UActive Publication Date: 2026-01-23WUXI BAIGE SPORTS TECH CO LTD
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Patent Information

Application Number
CN202520643332.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-08
Publication Date
2026-01-23
Estimated Expiration
2035-04-08

AI Technical Summary

Technical Problem

The existing bicycle frame design is a one-piece design, which makes disassembly and repair complicated when the support is damaged, increasing the difficulty and cost of repair and affecting riding safety and experience.

Method used

The design employs two support pillars, and through a combination of limiting ports, sliding ports, and locking parts, the bracket can be freely installed and disassembled. The bracket is fixed and limited by components such as limiting rings, sliders, and threaded rods. Combined with the design of rotating disks and locking blocks, the bracket can be quickly disassembled and replaced.

Benefits of technology

It enables quick disassembly and replacement of the bracket, reducing maintenance difficulty and cost, and improving the stability of the frame and riding safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of bicycle frames, and discloses a stable bicycle frame which comprises a first supporting column, a second supporting column and a third supporting column. The second supporting column is arranged on one side of the first supporting column, limiting openings are formed in the outer wall of the second supporting column and are symmetrically arranged, first sliding openings are formed in the outer wall of the second supporting column, and the first sliding openings are circumferentially arranged at equal intervals. A first support and a second support are slidably mounted along the tracks of a first supporting column and a second supporting column correspondingly, so that the bottom of the first support abuts against a limiting plate and a second limiting ring correspondingly, the bottom of the second support abuts against a first limiting ring and a third limiting ring correspondingly, and then a third support is slidably mounted along the tracks of a first mounting column and a second mounting column; the threaded rod is rotated to enable the threaded rod to slide down along the track of the limiting groove, so that the L-shaped limiting ring is driven to slide along the tracks of the first sliding groove and the first supporting column, the top of the second support is pressed down and limited, then the threaded rod is rotated to enable the sliding block to be tightly attached to the fixing plate, and the purpose of fixing all the supports is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a bicycle frame technical field, concretely is a stable bicycle frame. BACKGROUND

[0002] Bicycle, usually is two -wheeled small -size land vehicle, after the person rides the car, with foot pedal as power, is green environmental protection traffic tool, and it includes frame, tire, pedal and so on structure composition, wherein, frame component is the basic structure of the bicycle, also is the skeleton and main body of the bicycle, other components are also directly or indirectly installed on the frame.

[0003] In the daily use of bicycle frame, with the passage of time, the support of the frame often faces the risk of fracture due to bearing various stresses and environmental factors, however, the bicycle frame commonly used in the current market is designed as an integral type, which means that once a support part is damaged, the disassembly and repair of the entire frame become quite complex and inconvenient, this limitation in design not only increases the difficulty and cost of repair, but also may lead to the decline of the overall stability of the frame, affecting the safety and experience of the rider. SUMMARY

[0004] The utility model aims at providing a stable bicycle frame, which solves the technical problem that the frame is designed as an integral type in the prior art, which means that once a support part is damaged, the disassembly and repair of the entire frame become quite complex and inconvenient, and achieves the purpose of freely installing and disassembling a support.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a stable bicycle frame, comprising: a support column one; a support column two is arranged on one side of the support column one, a limiting opening is formed in the outer wall of the support column two, the limiting openings are symmetrically arranged, a sliding opening one is formed in the outer wall of the support column two, the sliding openings one are circumferentially equidistantly arranged, a sliding opening two is formed in the outer wall of the support column two, the sliding openings two are circumferentially equidistantly arranged; a replacement site is arranged on the outer wall of the support column one; a clamping site is arranged in the support column two; wherein, the replacement site comprises: a limiting plate, which is fixedly connected to the outer wall of the support column one; a limiting ring one, which is fixedly connected to the outer wall of the support column one; a limiting ring two, which is fixedly connected to the outer wall of the support column two; a limiting ring three, which is fixedly connected to the outer wall of the support column two.

[0006] Preferably, the top of the limiting plate is fixedly connected with a stand, the top of the stand is fixedly connected with a connecting plate, the top of the connecting plate is fixedly connected with a mounting column one, the mounting column one is symmetrically arranged, the top of the limiting plate is fixedly connected with a mounting column two, the mounting column two is symmetrically arranged, the outer wall of the mounting column one and the mounting column two is slidably connected with a support three.

[0007] Preferably, the inside of the column is provided with a sliding groove one, one side of the column is provided with a limiting groove, the limiting groove is communicated with the sliding groove one, one side of the column is fixedly connected with a fixed plate, the inside of the sliding groove one is slidably connected with an L-shaped limiting ring, the top of the L-shaped limiting ring extends outwardly through a connecting plate, and the L-shaped limiting ring is matched with the outer wall of the support one.

[0008] Preferably, one side of the L-shaped limiting ring is fixedly connected with a sliding block, the sliding block is slidably connected in the limiting groove, and the inside of the sliding block is threadedly connected with a threaded rod, the threaded rod is threadedly connected with the top of the fixed plate.

[0009] Preferably, the limiting ring one and the L-shaped limiting ring are provided with the support two, one end of the support two is slidably connected with the outer wall of the support column two, the outer wall of the support one is slidably connected with the support one, and the other end of the support one is slidably connected with the outer wall of the support column two.

[0010] Preferably, the clamping part comprises: a rotating column rotatably connected to the inner wall bottom of the support column two; a clamping block one slidably connected to the inside of the sliding opening one; a clamping block two slidably connected to the inside of the sliding opening two; a rectangular column rotatably connected to the inner wall top of the support column two; and a connecting disc fixedly connected to the inner wall of the support column two through a support.

[0011] Preferably, the outer wall of the rotating column is fixedly connected with a fixed disc one, the inside of the fixed disc one is provided with arc-shaped openings one, the arc-shaped openings one are circumferentially equidistantly arranged, the inside of the arc-shaped opening one is slidably connected with a sliding column one, and the bottom of the sliding column one is fixedly connected with the top of the clamping block one.

[0012] Preferably, the inside of the connecting disc is provided with a rotating opening, the bottom of the rectangular column penetrates through the rotating opening and is fixedly connected with the top of the rotating column, the rectangular column and the rotating opening are not in contact with each other, the inside of the connecting disc is provided with clamping openings, the clamping openings are circumferentially equidistantly arranged, the outer wall of the rectangular column is movably connected with a rotating disc, the outer wall of the rotating disc is fixedly connected with a brake block, the brake block is matched with the limiting opening, the bottom of the rotating disc is fixedly connected with a clamping column, the clamping column is clampingly connected with the clamping opening, the outer wall of the rotating column is fixedly connected with a fixed disc two, the inside of the fixed disc two is provided with arc-shaped openings two, the inside of the arc-shaped openings two is slidably connected with a sliding column two, and the top of the sliding column two is fixedly connected with the bottom of the clamping block two.

[0013] The utility model provides a kind of stable bicycle frame.It has the following beneficial effects:

[0014] (1), the utility model discloses a support one, support two are along the locus of support post one and support post two and slide installation respectively, thereby making the bottom of support one respectively and press against limit plate and limit ring no. 2, make the bottom of support no. 2 respectively and press against limit ring no. 1 and limit ring no. 3, then along the locus of mounting column one and mounting column two and slide installation of support three, handheld sliding block, make it slide along the locus of limit slot, thereby drive L type limit ring and slide along the locus of sliding slot one and support post one, and press down and limit the top of support no. 2, then rotate screw rod, make sliding block and fixed plate closely adhere, to this end reach the purpose of fixing each support.

[0015] (2), the utility model discloses through the slide installation of each support, handheld brake block, make brake block drive rotary disc and slide, make it and not with the mouth of card column and connect, then rotate rotary disc, make rotary disc drive rotary column and rotate, to this end control fixed disc no. 1 and fixed disc no. 2 rotate simultaneously, thereby under the action of arc mouth no. 1 and sliding column no. 1, drive card block no. 1 and slide and spread, simultaneously under the action of arc mouth no. 2 and sliding column no. 2, drive card block no. 2 and slide and spread, to this end reach the purpose of limiting and fixing support, but the length setting of limit mouth reaches the purpose that brake block only rotates ninety degrees, then loosen brake block, make card column and mouth accurate and connect, but the inside of support post no. 1 and the inside of mounting column no. 1 and the inside of mounting column no. 2 are same with the inside mechanism of support post no. 2 and set up, reach the purpose of quickly disassembling each support, convenient replacement. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is main schematic view of the utility model structure;

[0017] Fig. 2 It is front view of the utility model;

[0018] Fig. 3 It is replacement part view of the utility model;

[0019] Fig. 4 It is replacement part detail view of the utility model;

[0020] Fig. 5 It is the view of the utility model clamping part;

[0021] Fig. 6 It is the detail view of the utility model clamping part.

[0022] In the drawing: 1 support post no. 1, 2 support post no. 2, 3 replacement part, 4 clamping part;

[0023] 311 limiting plate, 312 limiting ring one, 313 stand, 314 connecting plate, 315 mounting column one, 316 mounting column two, 317 limiting ring two, 318 limiting ring three, 319 support one, 320 support two, 321 support three, 322 L-shaped limiting ring, 323 fixed plate, 324 sliding block, 325 threaded rod;

[0024] 411 rotating column, 412 fixed disc one, 413 clamping block one, 414 sliding column one, 415 fixed disc two, 416 clamping block two, 417 sliding column two, 418 rectangular column, 419 connecting disc, 420 rotating disc, 421 brake block, 422 clamping column. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0026] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements or the interaction between two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0027] Embodiment one:

[0028] Based on the existing prior art, the frame is designed as an integral type, which means that once a part of the support is damaged, the disassembly and repair of the entire frame become quite complex and inconvenient. The preferred embodiment of the stable bicycle frame provided by the present application solves the technical problem that the frame is designed as an integral type, which means that once a part of the support is damaged, the disassembly and repair of the entire frame become quite complex and inconvenient. Figs. 1-6As shown: a stable bicycle frame, comprising: a support 1; a support 2 is arranged on one side of the support 1, the outer wall of the support 2 is provided with a limiting port, the limiting port is symmetrically arranged, the outer wall of the support 2 is provided with a sliding port one, the sliding port one is circumferentially equidistantly arranged, the outer wall of the support 2 is provided with a sliding port two, the sliding port two is circumferentially equidistantly arranged; the replacement site 3 is arranged on the outer wall of the support 1; the clamping site 4 is arranged in the support 2; wherein, the replacement site 3 comprises: a limiting plate 311, fixedly connected to the outer wall of the support 1; a limiting ring one 312, fixedly connected to the outer wall of the support 1; a limiting ring two 317, fixedly connected to the outer wall of the support 2; a limiting ring three 318, fixedly connected to the outer wall of the support 2.

[0029] The top of the limiting plate 311 is fixedly connected with a stand 313, the top of the stand 313 is fixedly connected with a connecting plate 314, the top of the connecting plate 314 is fixedly connected with a mounting column one 315, the mounting column one 315 is symmetrically arranged, the top of the limiting plate 311 is fixedly connected with a mounting column two 316, the mounting column two 316 is symmetrically arranged, the outer wall of the mounting column one 315 and the mounting column two 316 is slidably connected with a support three 321.

[0030] The inside of the stand 313 is provided with a sliding groove one, one side of the stand 313 is provided with a limiting groove, the limiting groove is communicated with the sliding groove one, one side of the stand 313 is fixedly connected with a fixed plate 323, the inside of the sliding groove one is slidably connected with an L-shaped limiting ring 322, the top end of the L-shaped limiting ring 322 extends outwardly through the connecting plate 314, the L-shaped limiting ring 322 is matched with the outer wall of the support 1.

[0031] One side of the L-shaped limiting ring 322 is fixedly connected with a sliding block 324, the sliding block 324 is slidably connected in the limiting groove, the inside of the sliding block 324 is threadedly connected with a threaded rod 325, the threaded rod 325 is threadedly connected with the top of the fixed plate 323.

[0032] The limiting ring one 312 and the L-shaped limiting ring 322 are provided with a support two 320, the other end of the support two 320 is slidably connected with the outer wall of the support 2, the outer wall of the support 1 is slidably connected with a support one 319, the other end of the support one 319 is slidably connected with the outer wall of the support 2.

[0033] Further, the embodiment is characterized in that the bracket one 319 and the bracket two 320 are respectively slidably installed along the tracks of the support one 1 and the support two 2, so that the bottom of the bracket one 319 abuts against the limiting plate 311 and the limiting ring two 317 respectively, and the bottom of the bracket two 320 abuts against the limiting ring one 312 and the limiting ring three 318 respectively, then the bracket three 321 is slidably installed along the tracks of the mounting column one 315 and the mounting column two 316, the slider 324 is held and is slid downward along the track of the limiting slot, so as to drive the L-shaped limiting ring 322 to slide along the track of the sliding slot one and the support one 1, and the top of the bracket two 320 is pressed and limited, then the threaded rod 325 is rotated, so that the slider 324 and the fixed plate 323 are tightly attached, thereby achieving the purpose of fixing the brackets.

[0034] Embodiment two

[0035] Based on the embodiment one, the preferable embodiment of the stable bicycle frame provided by the utility model is characterized in that Figs. 1-6 As shown in the figure: the clamping part 4 comprises a rotating column 411 rotatably connected to the inner wall bottom of the support two 2, a clamping block one 413 slidably connected to the inside of the sliding opening one, a clamping block two 416 slidably connected to the inside of the sliding opening two, a rectangular column 418 rotatably connected to the inner wall top of the support two 2, and a connecting disc 419 fixedly connected to the inner wall of the support two 2 through the bracket.

[0036] The outer wall of the rotating column 411 is fixedly connected with a fixed disc one 412, the inside of the fixed disc one 412 is provided with arc-shaped openings one, the arc-shaped openings one are circumferentially equidistantly arranged, the inside of the arc-shaped openings one is slidably connected with a sliding column one 414, and the bottom of the sliding column one 414 is fixedly connected with the top of the clamping block one 413.

[0037] The inside of the connecting disc 419 is provided with a rotating opening, the bottom of the rectangular column 418 penetrates through the rotating opening and is fixedly connected with the top of the rotating column 411, the rectangular column 418 and the rotating opening are not in contact with each other, the inside of the connecting disc 419 is provided with a clamping opening, the clamping opening is circumferentially equidistantly arranged, the outer wall of the rectangular column 418 is movably connected with a rotating disc 420, the outer wall of the rotating disc 420 is fixedly connected with a brake block 421, the brake block 421 is matched with the limiting opening, the bottom of the rotating disc 420 is fixedly connected with a clamping column 422, the clamping column 422 is clampingly connected with the clamping opening, the outer wall of the rotating column 411 is fixedly connected with a fixed disc two 415, the inside of the fixed disc two 415 is provided with arc-shaped openings two, the inside of the arc-shaped openings two is slidably connected with a sliding column two 417, and the top end of the sliding column two 417 is fixedly connected with the bottom of the clamping block two 416.

[0038] Further, the embodiment is by sliding installation of each support, holding the brake block 421, making the brake block 421 drive the rotating disc 420 to slide upwards, so that the clamping column 422 is not connected with the clamping hole, then rotating the rotating disc 420, making the rotating disc 420 drive the rotating column 411 to rotate, so as to control the fixed disc one 412 and the fixed disc two 415 to rotate at the same time, so as to drive the clamping block one 413 to slide outward under the action of the arc-shaped hole one and the sliding column one 414, and drive the clamping block two 416 to slide outward under the action of the arc-shaped hole two and the sliding column two 417, so as to achieve the purpose of limiting and fixing the support, and the length of the limiting hole is set to achieve the purpose that the brake block 421 only rotates by ninety degrees, then loosen the brake block 421, so that the clamping column 422 is accurately clamped with the clamping hole, and the inside of the support column one 1 and the inside of the installation column one 315 and the inside of the installation column two 316 are all set as the inside mechanism of the support column two 2, so as to achieve the purpose of quickly disassembling each support and facilitating replacement.

[0039] In use, first, the support one 319 and the support two 320 are respectively slidingly installed along the tracks of the support column one 1 and the support column two 2, so that the bottom of the support one 319 respectively abuts against the limiting plate 311 and the limiting ring two 317, and the bottom of the support two 320 respectively abuts against the limiting ring one 312 and the limiting ring three 318, then the support three 321 is slidingly installed along the tracks of the installation column one 315 and the installation column two 316, holding the sliding block 324, making it slide downward along the track of the limiting groove, so as to drive the L-shaped limiting ring 322 to slide along the track of the sliding groove one and the support column one 1, and press downward the top of the support two 320, then rotate the threaded rod 325, making the sliding block 324 and the fixed plate 323 closely adhere to each other, so as to achieve the purpose of fixing each support; second, after sliding installation of each support, holding the brake block 421, making the brake block 421 drive the rotating disc 420 to slide upwards, so that the clamping column 422 is not connected with the clamping hole, then rotating the rotating disc 420, making the rotating disc 420 drive the rotating column 411 to rotate, so as to control the fixed disc one 412 and the fixed disc two 415 to rotate at the same time, so as to drive the clamping block one 413 to slide outward under the action of the arc-shaped hole one and the sliding column one 414, and drive the clamping block two 416 to slide outward under the action of the arc-shaped hole two and the sliding column two 417, so as to achieve the purpose of limiting and fixing the support, and the length of the limiting hole is set to achieve the purpose that the brake block 421 only rotates by ninety degrees, then loosen the brake block 421, so that the clamping column 422 is accurately clamped with the clamping hole, and the inside of the support column one 1 and the inside of the installation column one 315 and the inside of the installation column two 316 are all set as the inside mechanism of the support column two 2, so as to achieve the purpose of quickly disassembling each support and facilitating replacement.

[0040] It should be noted that the relational terms herein, such as first and second, and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0041] Finally, it should be noted that the above-described embodiments are merely possible embodiments of the present application, and thus are not used to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, the technical solutions recorded in the foregoing embodiments can still be modified or equivalent replaced by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A stable bicycle frame, characterized in that, Including: Pillar 1 (1); A second support column (2) is provided on one side of the first support column (1). A limiting port is provided on the outer wall of the second support column (2). The limiting ports are symmetrically arranged. A sliding opening is provided on the outer wall of the second support column (2). The sliding opening is equidistant from the circumference. A sliding opening is provided on the outer wall of the second support column (2). The sliding opening is equidistant from the circumference. The replacement part (3) is located on the outer wall of the support column (1); The engaging part (4) is provided inside the second support (2); The replacement site (3) includes: Limiting plate (311) is fixedly connected to the outer wall of column one (1); Limiting ring 1 (312) is fixedly connected to the outer wall of support column 1 (1); Limiting ring 2 (317) is fixedly connected to the outer wall of support column 2 (2); Limiting ring three (318) is fixedly connected to the outer wall of support column two (2).

2. The stable bicycle frame according to claim 1, characterized in that: The top of the limiting plate (311) is fixedly connected to a column (313), the top of the column (313) is fixedly connected to a connecting plate (314), the top of the connecting plate (314) is fixedly connected to a first mounting column (315), the first mounting column (315) is symmetrically arranged, the top of the limiting plate (311) is fixedly connected to a second mounting column (316), the second mounting column (316) is symmetrically arranged, and the outer walls of the first mounting column (315) and the second mounting column (316) are slidably connected to a third bracket (321).

3. A stable bicycle frame according to claim 2, characterized in that: The column (313) has a sliding groove inside, and a limiting groove is provided on one side of the column (313). The limiting groove is connected to the sliding groove. A fixing plate (323) is fixedly connected to one side of the column (313). An L-shaped limiting ring (322) is slidably connected inside the sliding groove. The top end of the L-shaped limiting ring (322) extends outward through the connecting plate (314). The L-shaped limiting ring (322) is adapted to the outer wall of the support column (1).

4. A stable bicycle frame according to claim 3, characterized in that: A slider (324) is fixedly connected to one side of the L-shaped limiting ring (322). The slider (324) is slidably connected inside the limiting groove. A threaded rod (325) is threadedly connected inside the slider (324). The threaded rod (325) is threadedly connected to the top of the fixing plate (323).

5. A stable bicycle frame according to claim 1, characterized in that: A bracket (320) is provided between the first limiting ring (312) and the L-shaped limiting ring (322). The other end of the bracket (320) is slidably connected to the outer wall of the second pillar (2). A bracket (319) is slidably connected to the outer wall of the first pillar (1). The other end of the bracket (319) is slidably connected to the outer wall of the second pillar (2).

6. A stable bicycle frame according to claim 1, characterized in that: The engaging portion (4) includes: Rotating column (411) is rotatably connected to the bottom of the inner wall of support column two (2); Block 1 (413) is slidably connected inside the slide opening 1; Block 2 (416) is slidably connected inside the slide port 2; A rectangular column (418) is rotatably connected to the top of the inner wall of column two (2); The connecting plate (419) is fixedly connected to the inner wall of the second column (2) by a bracket.

7. A stable bicycle frame according to claim 6, characterized in that: The outer wall of the rotating column (411) is fixedly connected to a fixed disk (412). The fixed disk (412) has an arc-shaped opening inside. The arc-shaped opening is equidistant from each other around its circumference. The inside of the arc-shaped opening is slidably connected to a sliding column (414). The bottom of the sliding column (414) is fixedly connected to the top of the locking block (413).

8. A stable bicycle frame according to claim 6, characterized in that: The connecting disc (419) has a rotating opening inside. The bottom of the rectangular column (418) passes through the rotating opening and is fixedly connected to the top of the rotating column (411). The rectangular column (418) and the rotating opening do not contact each other. The connecting disc (419) has a bayonet opening inside. The bayonet openings are equidistantly arranged around the circumference. The outer wall of the rectangular column (418) is movably connected to the rotating disc (420). The outer wall of the rotating disc (420) is fixedly connected to the brake block (421). (421) Adapted to the limiting port, the bottom of the rotating disk (420) is fixedly connected to a locking post (422), the locking post (422) is engaged with the locking port, the outer wall of the rotating post (411) is fixedly connected to a fixed disk two (415), the inside of the fixed disk two (415) is provided with an arc-shaped opening two, the inside of the arc-shaped opening two is slidably connected to a sliding post two (417), the top of the sliding post two (417) is fixedly connected to the bottom of the locking block two (416).