A K value test fixture for shock-absorbing front fork spring

Abstract

The utility model discloses a shock-absorbing front fork spring K value test fixture, including a mounting seat, a mobile fixing unit, a compression unit and a distance measuring unit; the mobile fixing unit and the compression unit are installed on the upper end of the mounting seat; the compression unit includes a fixing seat, a pressure sensor and a display, the compression unit is fixedly connected to the rear side of the upper end of the mounting seat, the upper end of the compression unit is fixedly connected to the display, the rear side of the fixing seat is fixedly connected to the pressure sensor, the output end of the pressure sensor is electrically connected to the input end of the display; the distance measuring unit is installed on the compression unit and the mounting seat. The utility model is more accurate in testing springs, and can test springs of different diameters.

Description

Technical Field

[0001] The utility model relates to the technical field of bicycle parts, in particular to a shock-absorbing front fork, in particular to a shock-absorbing front fork spring K value test fixture. Background Art

[0002] K value or hardness value is a standard to measure the hardness of spring. It is the inverse of the ratio of spring deformation or deformation cycle to load weight. That is to say, under a certain load, the smaller the spring deformation or deformation cycle, the greater the K value and the greater the hardness. That is to say, when the K value of a spring is higher, its hardness is higher, and when the K value is lower, its hardness is lower.

[0003] The existing technology is not accurate enough in spring testing. The scale and whether the device is level during measurement will affect the accuracy of the spring test. At the same time, springs of different diameters cannot be tested. Therefore, a shock-absorbing front fork spring K value test fixture is proposed. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a shock-absorbing front fork spring K value test fixture, which can test the spring more accurately and can test springs of different diameters, thereby effectively solving the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a shock-absorbing front fork spring K value test fixture, comprising a mounting seat, a mobile fixing unit, a compression unit and a distance measuring unit;

[0006] The upper end of the mounting seat is provided with a moving fixing unit and a compression unit;

[0007] The compression unit comprises a fixing seat, a pressure sensor and a display, the compression unit is fixedly connected to the rear side of the upper end of the fixing seat, the display is fixedly connected to the upper end of the compression unit, the pressure sensor is fixedly connected to the rear side of the fixing seat, and the output end of the pressure sensor is electrically connected to the input end of the display;

[0008] The distance measuring unit is mounted on the compression unit and the mounting base.

[0009] The fixing base and the pressure sensor are installed, and the pressure received by the pressure sensor is displayed on the display, so as to calculate the K value of the spring.

[0010] Furthermore, the movable fixing unit includes a sliding groove, a sliding block, a threaded rod and a rotating handle. A sliding groove is provided in the middle of the upper end of the mounting seat. The sliding block is slidably connected to the inner side of the sliding groove. The outer front and rear ends of the threaded rod are rotatably connected to the mounting seat. The threaded rod is threadedly connected to the sliding block. The front end of the threaded rod is fixedly connected to the rotating handle. The sliding groove is rotated by rotating the rotating handle. The sliding block is moved along the sliding groove by the threaded connection between the threaded rod and the sliding block. The movement of the sliding block causes the device to compress the spring.

[0011] Furthermore, the compression unit also includes a connecting column, a clamping seat, a clamping block, a circular limiting groove, a fixing plate and a fixing bolt. The front end of the pressure sensor is fixedly connected with four connecting columns, the front end of the connecting column is fixedly connected with a clamping seat, the front end of the sliding block is fixedly connected with a clamping seat, the inner side of each clamping seat is clamped with a clamping block, the inner side of each clamping block is provided with a circular limiting groove, and the left and right ends of each circular limiting groove are fixedly connected to the clamping block by fixing bolts. The clamping seat is used to facilitate the limiting of the clamping block, the circular limiting groove is used to facilitate the limiting of the spring, the fixing bolt and the fixing plate are used to limit the spring, and the replaceable clamping block enables the device to limit and fix springs of different sizes.

[0012] Furthermore, the distance measuring unit includes a sliding seat, a scale, an adjusting bolt and an indicating needle, the right end of one clamping seat is fixedly connected to the sliding seat, the inner side of the sliding seat is slidably connected to the scale, the front end of the sliding seat is rotatably fixedly connected to the adjusting bolt, the front end of the scale is threadedly connected to the adjusting bolt, and the right end of the other clamping seat is fixedly connected to the indicating needle. The indicating needle is driven to move by a compression spring, and the distance of spring compression is displayed by the indicating needle and the scale, and the indicating needle can be reset to zero by adjusting the bolt.

[0013] Furthermore, the distance measuring unit further comprises a slide groove and a sliding support block, the upper end of the mounting seat is provided with a slide groove, the inner side of the slide groove is slidably connected to the sliding support block, and the upper end of the sliding support block is fixedly connected to the sliding seat. When the device compresses the spring, the position of the clamping seat may move, thereby driving the sliding seat to move, and the sliding seat is supported and limited when moving by the slide groove and the sliding support block.

[0014] Furthermore, it also includes a threaded column and a threaded sleeve, wherein four threaded columns are fixedly connected to the four corners of the lower end of the mounting seat, and the outer lower end of each threaded column is threadedly connected to a threaded sleeve. By rotating the threaded sleeve, the mounting seat can be horizontally adjusted through the threaded column under the action of the thread.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The indicator needle is driven to move by compressing the spring, and the distance of spring compression is displayed by the indicator needle and the scale. The indicator needle can be reset to zero by adjusting the bolt, making the spring test more accurate;

[0017] 2. The replaceable clamping block enables the device to limit and fix springs of different sizes, so that springs of different diameters can be tested. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 For this utility model Figure 1 A schematic diagram of the partially enlarged structure at center A;

[0020] Figure 3 For this utility model Figure 1 Schematic diagram of the local enlarged structure at point B in the middle.

[0021] In the figure: 1 mounting seat, 2 level, 3 moving fixing unit, 31 sliding groove, 32 sliding block, 33 threaded rod, 34 rotating handle, 4 compression unit, 41 fixing seat, 42 pressure sensor, 43 connecting column, 44 clamping seat, 45 clamping block, 46 circular limit groove, 47 fixing plate, 48 fixing bolt, 49 display, 5 distance measuring unit, 51 sliding seat, 52 scale, 53 adjusting bolt, 54 indicator needle, 55 sliding groove, 56 sliding support block, 6 threaded column, 7 threaded sleeve. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-3 The present embodiment provides a technical solution for a shock-absorbing front fork spring K value test fixture: a shock-absorbing front fork spring K value test fixture, comprising a mounting seat 1, a movable fixing unit 3, a compression unit 4 and a distance measuring unit 5.

[0024] Among them, a movable fixing unit 3 and a compression unit 4 are installed on the upper end of the mounting seat 1; the movable fixing unit 3 includes a sliding groove 31, a sliding block 32, a threaded rod 33 and a rotating handle 34. A sliding groove 31 is opened in the middle of the upper end of the mounting seat 1, and the sliding block 32 is slidably connected to the inner side of the sliding groove 31. The front and rear ends of the outer side of the threaded rod 33 are rotatably connected to the mounting seat 1. The threaded rod 33 is threadedly connected to the sliding block 32, and the front end of the threaded rod 33 is fixedly connected to the rotating handle 34.

[0025] Among them, the compression unit 4 includes a fixed seat 41, a pressure sensor 42 and a display 49. The compression unit 4 is fixedly connected to the rear side of the upper end of the mounting seat 1, the upper end of the compression unit 4 is fixedly connected to the display 49, the rear side of the fixed seat 41 is fixedly connected to the pressure sensor 42, and the output end of the pressure sensor 42 is electrically connected to the input end of the display 49.

[0026] Among them, the compression unit 4 also includes a connecting column 43, a clamping seat 44, a clamping block 45, a circular limiting groove 46, a fixing plate 47 and a fixing bolt 48. The front end of the pressure sensor 42 is fixedly connected with four connecting columns 43, the front end of the connecting column 43 is fixedly connected with a clamping seat 44, the front end of the sliding block 32 is fixedly connected with a clamping seat 44, and the inner side of each clamping seat 44 is clamped with a clamping block 45. A circular limiting groove 46 is opened on the inner side of each clamping block 45, and the left and right ends of each circular limiting groove 46 are fixedly connected to the clamping block 45 by fixing bolts 48.

[0027] Among them, the distance measuring unit 5 is installed on the compression unit 4 and the mounting base 1, and the distance measuring unit 5 includes a sliding seat 51, a scale 52, an adjusting bolt 53 and an indicating needle 54. The right end of a clamping seat 44 is fixedly connected to the sliding seat 51, the inner side of the sliding seat 51 is slidably connected to the adjusting bolt 53, the front end of the sliding seat 51 is rotatably fixedly connected to the adjusting bolt 53, the front end of the scale 52 is threadedly connected to the adjusting bolt 53, and the right end of another clamping seat 44 is fixedly connected to the indicating needle 54.

[0028] The distance measuring unit 5 further comprises a slide groove 55 and a sliding support block 56 . The upper end of the mounting seat 1 is provided with a slide groove 55 . The inner side of the slide groove 55 is slidably connected to the sliding support block 56 . The upper end of the sliding support block 56 is fixedly connected to the sliding seat 51 .

[0029] It also includes threaded columns 6 and threaded sleeves 7. Four threaded columns 6 are fixedly connected to the four corners of the lower end of the mounting seat 1, and a threaded sleeve 7 is threadedly connected to the outer lower end of each threaded column 6.

[0030] The working principle of the utility model is as follows:

[0031] The display 49 and the pressure sensor 42 are mounted through the fixing base 41, and the pressure received by the pressure sensor 42 is displayed through the display 49, so as to calculate the K value of the spring;

[0032] The sliding groove 31 is driven to rotate by rotating the rotation handle 34, and the sliding block 32 is threadedly connected with the threaded rod 33 so that the sliding block 32 moves along the sliding groove 31, and the movement of the sliding block 32 causes the device to compress the spring;

[0033] The clamping seat 44 is used to limit the clamping block 45, the circular limiting groove 46 is used to limit the spring, the fixing bolt 48 and the fixing plate 47 are used to limit the spring, and the replaceable clamping block 45 enables the device to limit and fix springs of different sizes;

[0034] The indicator needle 54 is driven to move by the compression spring, and the spring compression distance is displayed by the indicator needle 54 and the scale 52. The indicator needle 54 can be reset to zero by adjusting the bolt 53;

[0035] When the device compresses the spring, the position of the clamping seat 44 may move, thereby driving the sliding seat 51 to move, and the sliding seat 51 is supported and limited when moving by the sliding groove 55 and the sliding support block 56;

[0036] By rotating the threaded sleeve 7, the mounting seat 1 can be adjusted horizontally through the threaded column 6 under the action of the thread.

[0037] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A shock-absorbing front fork spring K value test fixture, characterized by: It comprises a mounting seat (1), a moving and fixing unit (3), a compression unit (4) and a distance measuring unit (5); A moving fixing unit (3) and a compression unit (4) are installed on the upper end of the mounting seat (1); The compression unit (4) comprises a fixing seat (41), a pressure sensor (42) and a display (49); the compression unit (4) is fixedly connected to the rear side of the upper end of the mounting seat (1); the upper end of the compression unit (4) is fixedly connected to the display (49); the rear side of the fixing seat (41) is fixedly connected to the pressure sensor (42); and the output end of the pressure sensor (42) is electrically connected to the input end of the display (49); The distance measuring unit (5) is mounted on the compression unit (4) and the mounting seat (1).

2. A shock-absorbing front fork spring K value test fixture according to claim 1, characterized in that: The movable fixing unit (3) comprises a sliding groove (31), a sliding block (32), a threaded rod (33) and a rotating handle (34); a sliding groove (31) is provided in the middle of the upper end of the mounting seat (1); the sliding block (32) is slidably connected to the inner side of the sliding groove (31); the outer front and rear ends of the threaded rod (33) are rotatably connected to the mounting seat (1); the threaded rod (33) is threadedly connected to the sliding block (32); and the front end of the threaded rod (33) is fixedly connected to the rotating handle (34).

3. A shock-absorbing front fork spring K value test fixture according to claim 2, characterized in that: The compression unit (4) further comprises a connecting column (43), a clamping seat (44), a clamping block (45), a circular limiting groove (46), a fixing plate (47) and a fixing bolt (48); the front end of the pressure sensor (42) is fixedly connected to four connecting columns (43); the front end of the connecting column (43) is fixedly connected to a clamping seat (44); the front end of the sliding block (32) is fixedly connected to a clamping seat (44); the inner side of each clamping seat (44) is clamped with a clamping block (45); the inner side of each clamping block (45) is provided with a circular limiting groove (46); the left and right ends of each circular limiting groove (46) are fixedly connected to the clamping block (45) by fixing bolts (48).

4. A shock-absorbing front fork spring K value test fixture according to claim 1, characterized in that: The distance measuring unit (5) comprises a sliding seat (51), a scale (52), an adjusting bolt (53) and an indicating needle (54); the right end of one clamping seat (44) is fixedly connected to the sliding seat (51); the inner side of the sliding seat (51) is slidably connected to the scale (52); the front end of the sliding seat (51) is rotatably fixedly connected to the adjusting bolt (53); the front end of the scale (52) is threadedly connected to the adjusting bolt (53); and the right end of the other clamping seat (44) is fixedly connected to the indicating needle (54).

5. A shock-absorbing front fork spring K value test fixture according to claim 4, characterized in that: The distance measuring unit (5) further comprises a slide groove (55) and a sliding support block (56); the upper end of the mounting seat (1) is provided with a slide groove (55); the inner side of the slide groove (55) is slidably connected to the sliding support block (56); the upper end of the sliding support block (56) is fixedly connected to the sliding seat (51).

6. A shock-absorbing front fork spring K value test fixture according to claim 1, characterized in that: It also comprises a threaded column (6) and a threaded sleeve (7); four threaded columns (6) are fixedly connected at the four corners of the lower end of the mounting seat (1); and a threaded sleeve (7) is threadedly connected at the outer lower end of each threaded column (6).

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