Fatigue strength detection tool for bicycle saddle

By designing a multi-angle testing fixture for bicycle saddle fatigue strength, and utilizing a motor-driven shaft and gear adjustment structure, multi-angle fatigue testing of the saddle is achieved. This solves the problem of test result deviation in existing technologies and improves the accuracy of testing and the reference value of data.

CN223910510UActive Publication Date: 2026-02-13TIANJIN ZHENGJIAFU METAL PROD CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520427342.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2026-02-13
Estimated Expiration
2035-03-12

AI Technical Summary

Technical Problem

Existing bicycle saddle fatigue strength testing equipment can only test from one angle, which cannot fully reflect the fatigue performance of the saddle under different usage conditions, resulting in biased test results.

Method used

A fatigue strength testing fixture for bicycle saddles was designed. The fixture uses a motor-driven rotating shaft to apply pressure to the saddle by a pressing block. The position of the testing plate is adjusted by a hydraulic rod and a motor-driven gear, enabling multi-angle fatigue testing of the saddle and simulating forces and vibrations in different directions.

Benefits of technology

This improves the accuracy and data reference value of saddle fatigue testing, enabling a more realistic simulation of the stress conditions of bicycle saddles in actual use and enhancing the reliability of test results.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223910510U_ABST
    Figure CN223910510U_ABST
Patent Text Reader

Abstract

The utility model discloses a bicycle saddle fatigue strength detection tool, and relates to the technical field of detection tools. The device comprises a main body structure, a detection structure and an adjusting structure, wherein the main body structure comprises a base, a supporting seat located at the upper end of the base, and a saddle body located at the upper end of the supporting seat; the detection structure comprises a mounting frame, a first motor located on the inner wall of one side of the mounting frame, a first rotating shaft located at the output end of the first motor, an extrusion block located on the outer wall of the first rotating shaft, a mounting plate fixedly arranged in the lower end of the mounting frame, a guide rod in a sliding sleeve and a detection plate located at the lower end of the guide rod. The adjusting structure comprises a ring seat, a second motor fixedly arranged at the upper end of the ring seat, a gear located on the outer wall of the output end of the second motor and a gear ring fixedly arranged on the inner wall of the ring seat. According to the utility model, the detection structure and the adjusting structure are arranged, so that the problem of detection deviation caused by the fact that the fatigue performance of the saddle under different use conditions cannot be accurately reflected when detection is carried out only from one angle is solved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to detection frock technical field, especially, a kind of bicycle saddle fatigue strength detection frock. BACKGROUND

[0002] Bicycle saddle, commonly known as saddle, seat cushion, is the part of bicycle for rider to ride, provides comfortable sitting posture support for rider, reduces fatigue in the process of riding, different types of bicycle saddle design considers the demand of different riding posture, bicycle saddle will bear the weight of rider, road impact and vibration etc. in the process of riding, if its fatigue strength is insufficient, prone to breakage or deformation, leading to rider lose balance or be injured, there are strict standards for the quality and performance of bicycle saddle, fatigue strength detection is an important content.

[0003] Chinese patent discloses a kind of bicycle saddle fatigue strength detection frock (grant announcement number CN206891709U), the patent technology, main shaft is rotatably connected on rack, the output shaft of motor is driven connection with the main shaft, and by the motor driven horizontal rotation;The main shaft outer sleeve is equipped with eccentric cam, the eccentric cam upper side is abutted with support plate, two vertical columns are vertically connected on the support plate, the vertical column one end extends upwards and passes out the rack, the two vertical columns are located respectively on the conveyer belt outer side, the vertical column outer sleeve is equipped with spring, the two ends of the spring are connected with support plate and rack respectively;Two vertical columns are equipped with shaft sleeve on the side away from support plate, the shaft sleeve is connected by cross bar, the cross bar is connected with pressure head, the pressure head is located above the conveyer belt, is equipped with the projection matched with the shape of bicycle saddle on it, the projection is corresponding with the position of the recess.

[0004] The patent technology has the function of fatigue strength detection of bicycle saddle when in use, but only fatigue strength detection of fixed bicycle saddle at specified angle in the process of detection, limit the comprehensiveness of detection, because bicycle saddle may be subjected to force and vibration from different directions in actual use, if only from one angle detection, cannot accurately reflect the fatigue performance of saddle under different use conditions, leading to detection result exists deviation, the reference value of detection data reduces, therefore, the fatigue strength detection frock of bicycle saddle is provided by the person skilled in the art to solve the problems raised in the above background technology. UTILITY MODEL CONTENTS

[0005] 1. Technical solution

[0006] To solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model discloses a bicycle saddle fatigue strength detection frock, including main body structure, detection structure and adjusting structure,

[0008] The main body structure includes the base, the support seat at the upper end of the base, the saddle body at the upper end of the support seat;

[0009] The detection structure includes the installation frame, the motor one at the inner wall of one side of the installation frame, the rotating shaft one at the output end of the motor one and rotatably installed in the inside of the installation frame, the extrusion block at the outer wall of the rotating shaft one, the mounting plate fixedly installed in the inside of the lower end of the installation frame, the sliding sleeve embeddedly installed in the inside of the mounting plate, the guide rod slidingly inserted into the inside of the sliding sleeve, the detection plate at the lower end of the guide rod;

[0010] The adjusting structure includes the ring seat fixedly installed above the base, the motor two fixedly installed at the upper end of the ring seat, the gear at the outer wall of the output end of the motor two, the gear ring fixedly installed at the inner wall of the ring seat and engaged with the gear.

[0011] Further, the upper end of the support seat is provided with a support ear, the inside of the support seat is provided with symmetrically distributed hydraulic rods, and the upper side of the hydraulic rods is provided with a pressing plate in the inside of the support ear.

[0012] Specifically, the support ear supports the lower end side of the saddle body.

[0013] Further, the lower end of the pressing plate is provided with a rotating seat, the upper end of the hydraulic rod is rotatably installed in the inside of the rotating seat, the lower end of the saddle body is provided with a support, and the pressing plate is located at the upper end of the support.

[0014] Specifically, the pressing plate holds the support, so that the saddle body is fixed during detection, and the pressing plate can rotate through the rotating seat, guaranteeing the passing of the support.

[0015] Further, the upper end of the guide rod is provided with a ball seat, and a rolling ball is rotatably installed in the inside of the upper end of the ball seat.

[0016] Specifically, the ball seat rotatably supports the rolling ball, and the resistance and wear of the rolling ball and the extrusion block are reduced when the extrusion block passes through the guide rod.

[0017] Further, the upper end of the detection plate is provided with a spring fixedly connected with the mounting plate and sleeved on the outside of the pressing rod.

[0018] Specifically, the detection plate is connected with the mounting plate through the spring, and after the detection plate descends, the spring realizes resetting through the elastic force.

[0019] Further, the upper side of the installation frame is provided with a walking plate above the motor two and sleeved on the outside of the ring seat, the outer wall of the walking plate is provided with a support rod connected with the walking plate, the outer wall of the ring seat is provided with a rolling groove, and the lower end of the walking plate is rotatably installed with a rolling ball rollingly installed in the inside of the rolling groove.

[0020] Specifically, the walking plate is slidably supported by rolling in the rolling groove through the rolling ball, and the walking plate is fixed on the mounting frame through the supporting rod, and the walking plate slidably guides the mounting frame.

[0021] 2. Beneficial effects

[0022] Compared with the prior art, the utility model has the advantages that:

[0023] The utility model discloses a saddle body is fixed on the support seat, and when motor one operates, drives the rotation of the pivot, and through pivot one drives the extrusion block to extrude the guide rod, and the detection plate realizes the support of the upper end of the saddle body, when the extrusion block passes through the guide rod, the elastic force of the spring drives the detection plate reset, prepares for the next extrusion of the saddle body, and the extrusion block realizes the fatigue strength detection of the saddle body through the continuous extrusion and the guide rod.

[0024] Meanwhile, when motor two drives the rotation of the gear, because the gear is engaged with the gear ring, and the mounting frame is slidably guided, the gear acts as the walking wheel and rotates in the ring seat, achieves the effect of adjusting the position of the detection plate, and the detection plate carries out fatigue detection to different positions of the saddle body, avoids the deviation of the detection result in the detection process, and improves the reference value of the fatigue detection data of the saddle body by simulating the force and vibration from different directions that the bicycle saddle can receive in actual use.

[0025] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS

[0026] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can also be obtained according to these drawings without paying the creative labor.

[0027] Figure 1 It is the front view first angle three-dimensional structure schematic diagram of the utility model;

[0028] Figure 2 It is the front view second angle three-dimensional structure schematic diagram of the utility model;

[0029] Figure 3 It is the mounting frame side view three-dimensional structure schematic diagram of the utility model;

[0030] Figure 4 It is the walking plate side view three-dimensional structure schematic diagram of the utility model;

[0031] Figure 5The utility model discloses a support seat perspective structure diagram shows the bottom view.

[0032] In the drawing, the component list of each sign represented is as follows:

[0033] 100, main body structure, 101, base, 102, support seat, 103, saddle body, 104, mounting bracket, 105, hydraulic rod, 106, rotating seat, 107, pressing block,

[0034] 200, detection structure, 201, motor one, 202, rotating shaft one, 203, extrusion block, 204, mounting plate, 205, detection plate, 206, spring, 207, sliding sleeve, 208, guide rod, 209, ball seat, 210, rolling ball, 211, mounting frame,

[0035] 300, adjusting structure, 301, ring seat, 302, rolling groove, 303, motor two, 304, gear, 305, bearing seat, 306, ball, 307, support rod, 308, walking plate, 309, gear ring. DETAILED DESCRIPTION

[0036] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiment of the utility model is described in detail below with the drawings.

[0037] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description, and those skilled in the art can make similar generalization without violating the connotation of the utility model, therefore, the utility model is not limited by the following disclosed specific embodiments.

[0038] Secondly, the utility model is described in detail in combination with the schematic diagram, when detailing the utility model embodiment, for the convenience of explanation, the section view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the utility model here. In addition, the three-dimensional spatial dimension of length, width and depth should be contained in actual manufacture.

[0039] In order to make the purpose, technical scheme and advantage of the utility model more clear, the embodiment of the utility model will be described in further detail below in combination with the drawings.

[0040] Example 1

[0041] Please refer to Figures 1-5 The utility model discloses a bicycle saddle fatigue strength detection tool, including main body structure 100, detection structure 200 and adjusting structure 300,

[0042] The main body structure 100 comprises a base 101, a support seat 102 at the upper end of the base 101, and a saddle at the upper end of the support seat 102.

[0043] The detection structure 200 comprises a mounting frame 211, a motor 201 on the inner wall of one side of the mounting frame 211, a rotating shaft 202 rotatably mounted on the output end of the motor 201 and inside the mounting frame 211, an extrusion block 203 on the outer wall of the rotating shaft 202, a mounting plate 204 fixedly arranged inside the lower end of the mounting frame 211, a sliding sleeve 207 embeddedly arranged inside the mounting plate 204, a guide rod 208 slidingly inserted into the sliding sleeve 207, and a detection plate 205 on the lower end of the guide rod 208.

[0044] The adjusting structure 300 comprises a ring seat 301 fixedly arranged above the base 101, a motor 303 fixedly arranged at the upper end of the ring seat 301, a gear 304 on the outer wall of the output end of the motor 303, and a gear ring 309 fixedly arranged on the inner wall of the ring seat 301 and engaged with the gear 304.

[0045] The upper end of the support seat 102 is provided with a support lug, and the inside of the support seat 102 is provided with symmetrically distributed hydraulic rods 105, and the upper end of the hydraulic rod 105 is provided with a pressing plate 107 inside the support lug;

[0046] The lower end of the pressing plate 107 is provided with a rotating seat 106, the upper end of the hydraulic rod 105 is rotatably mounted inside the rotating seat 106, the lower end of the saddle is provided with a support 104, and the pressing plate 107 is located on the upper end of the support 104;

[0047] The upper end of the guide rod 208 is provided with a ball seat 209, and a rolling ball 210 is rotatably mounted inside the upper end of the ball seat 209;

[0048] The upper end of the detection plate 205 is provided with a spring 206 fixedly connected with the mounting plate 204 and sleeved on the outer side of the pressing rod;

[0049] The upper end of the mounting frame 211 is provided with a walking plate 308 above the motor 303 and sleeved on the outer side of the ring seat 301, the outer wall of the walking plate 308 is provided with a support rod 307 connected with the walking plate 308, the outer wall of the ring seat 301 is provided with a rolling groove 302, the lower end of the walking plate 308 is rotatably mounted with a rolling ball 306 rotatably mounted inside the rolling groove 302, and the upper end of the mounting frame 211 is provided with a bearing seat 305 rotatably mounted with the output end of the motor 303;

[0050] The detection structure 200 and the adjusting structure 300 are used;

[0051] The saddle body 103 is placed on the support seat 102, the support 104 at the lower end of the saddle body 103 is located in the support ear, the pressing plate 107 is rotated into the upper of the support 104 through the rotating seat 106, the hydraulic rod 105 is started, the pressing plate 107 is pushed to press the support 104 downward, the stable fixation of the saddle body 103 is ensured, the motor two 303 drives the gear 304 to rotate, the gear 304 is engaged with the gear ring 309 on the inner wall of the ring seat 301, the installation frame 211 is driven to move along the inner wall of the ring seat 301, the walking plate 308 is rolled in the rolling groove 302 through the ball 306, and the stable rotation of the detection structure 200 is realized.

[0052] The motor one 201 is started, the eccentric extrusion block 203 is rotated under the driving of the shaft one 202, when the protruding part of the extrusion block 203 contacts the ball 210 at the upper end of the guide rod 208, the guide rod 208 is extruded downward, the detection plate 205 applies vertical pressure to the surface of the saddle body 103, the extrusion block 203 continuously rotates, the spring 206 rebounds after extrusion, and drives the detection plate 205 to reset, forming a cycle of periodic loading and unloading, simulating the repeated impact force borne by the saddle body 103 when riding, the detection structure 200 is rotated around the saddle body 103 through the motor two 303, the force direction is changed, and the lateral pressure of different riding postures, such as sitting posture and leaning posture, on the saddle body 103 is simulated.

[0053] It is worth noting that the detection plate 205 is provided with a pressure sensor, which records the peak pressure and the number of cycles of each extrusion in real time, and is provided with a laser displacement sensor, which monitors the surface deformation of the saddle body 103, combines the number of fatigue cycles, draws a "pressure, deformation, cycle number" curve, judges the fatigue strength threshold of the saddle body 103, and covers different stress areas in actual riding through omnibearing loading test on the front, middle, rear and side of the saddle body 103, and combines the vertical pressure simulation weight and the lateral pressure simulation riding swing, which more truly restores the complex stress environment. The prior art can only apply vertical force and cannot simulate the influence of lateral force on the saddle body 103 during riding, resulting in large deviation between the detection data and the actual failure mode. By adjusting the angle of the detection plate 205, the fatigue strength of the edge and side wing of the saddle body 103 is detected, the impact fluctuation of the mechanical protrusion loading causes unstable pressure value, better simulates different stress during riding, and avoids the situation that the detection data of continuous and constant impact force does not fit the actual use of the saddle body 103.

[0054] In the description of the utility model, still need to explain, unless another explicit provision and limitation, term " set ", " install ", " link ", " connect " should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can indirectly connect through the intermediate medium, can be two elements inside the communication。For ordinary skilled person in the art, can understand the specific meaning of the above-mentioned terms in the utility model according to specific circumstances.

[0055] Finally, it should be noted that: the above only for the preferred embodiments of the utility model and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or equivalent replacement for part of the technical features。Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A bicycle saddle fatigue strength detection tool, characterized by: The utility model relates to a kind of detection device for the detection of the temperature of the main body of the vehicle, including main body structure (100), detection structure (200) and adjustment structure (300), The main body structure (100) includes a base (101), a support seat (102) at the upper end of the base (101), and a saddle body (103) at the upper end of the support seat (102). The detection structure (200) includes a mounting frame (211), a motor (201) on one side of the inner wall of the mounting frame (211), a rotating shaft (202) mounted on the output end of the motor (201) and rotatingly mounted inside the mounting frame (211), an extrusion block (203) on the outer wall of the rotating shaft (202), a mounting plate (204) fixedly disposed inside the lower end of the mounting frame (211), a sliding sleeve (207) embeddedly mounted inside the mounting plate (204), a guide rod (208) slidingly inserted into the sliding sleeve (207), and a detection plate (205) at the lower end of the guide rod (208). The adjustment structure (300) includes a ring seat (301) fixedly disposed above the base (101), a motor (303) fixedly disposed at the upper end of the ring seat (301), a gear (304) on the outer wall of the output end of the motor (303), and a gear ring (309) fixedly disposed on the inner wall of the ring seat (301) and engaged with the gear (304).

2. The bicycle saddle fatigue strength detection tool according to claim 1, characterized in that: The upper end of the support seat (102) is provided with a support ear, and the inside of the support seat (102) is provided with symmetrically distributed hydraulic rods (105).

3. The bicycle saddle fatigue strength detection tool according to claim 2, characterized in that: The lower end of the pressing plate (107) is provided with a rotating seat (106), the upper end of the hydraulic rod (105) is rotatably mounted inside the rotating seat (106), the lower end of the saddle body (103) is provided with a bracket (104), and the pressing plate (107) is located at the upper end of the bracket (104).

4. The saddle fatigue strength detection tool according to claim 1, characterized in that: The upper end of the guide rod (208) is provided with a ball seat (209), and a rolling ball (210) is rotatably mounted inside the upper end of the ball seat (209).

5. The saddle fatigue strength detection tool according to claim 1, characterized in that: The upper end of the detection plate (205) is provided with a spring (206) fixedly connected with the mounting plate (204) and sleeved on the outside of the pressing rod.

6. The saddle fatigue strength detection tool according to claim 1, characterized in that: The upper end of the mounting frame (211) is provided with a walking plate (308) above the motor (303) and sleeved on the outside of the ring seat (301), the outer wall of the walking plate (308) is provided with a support rod (307) connected with the walking plate (308), the outer wall of the ring seat (301) is provided with a rolling groove (302), the lower end of the walking plate (308) is rotatably mounted with a rolling ball (306) rotatably mounted inside the rolling groove (302), and the upper end of the mounting frame (211) is provided with a bearing seat (305) rotatably mounted with the output end of the motor (303).

Citation Information

Patent Citations

  • Bicycle saddle fatigue strength detects frock by oneself

    CN206891709U