Shaft torque sensor mounting structure

Abstract

The utility model discloses a shaft torque sensor mounting structure which comprises a sensor body, a data connecting line is mounted on the side wall of the sensor body, an adjusting assembly is mounted on the outer wall of the sensor body, and fixing assemblies are mounted on the top wall and the bottom wall of the adjusting assembly. According to the shaft torque sensor mounting structure, a connecting block drives a sliding block to slide in a movable groove, and a connecting plate drives a rubber strip to be inserted into a corresponding positioning opening and a limiting hole for fixation, so that when a torque sensor is mounted, the overall length of a movable rod and a rotating rod can be adjusted, and the overall adaptability is higher; the power-assisted bicycle can rotate in different directions to be adjusted, then the power-assisted bicycle is clamped and installed on the frame through the elastic semicircular clamping blocks to be fixed, then the power-assisted bicycle is clamped and fixed through the clamping blocks, and when the power-assisted bicycle runs on a bumpy road, the situation that installation is not firm is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of torque sensors, in particular to a shaft torque sensor installation structure. Background Art

[0002] Torque sensor, also known as torque sensor, torque sensor, torque sensor, torque meter, is divided into two categories: dynamic and static. Dynamic torque sensor can also be called torque sensor, torque speed sensor, non-contact torque sensor, rotation torque sensor, etc. Torque sensor is the detection of torsional torque perception on various rotating or non-rotating mechanical parts. Torque sensor converts the physical change of torque into an accurate electrical signal. Torque sensor can be used in the manufacture of viscometer, electric (pneumatic, hydraulic) torque wrench, it has the advantages of high precision, fast frequency response, good reliability and long life.

[0003] The patent with patent number CN202122462246.9 discloses a torque sensor for power-assisted bicycles, which belongs to the technical field of power-assisted bicycle accessories, and includes a torque sensor body and a fixing ring. The fixing ring is fixedly installed on the outside of the torque sensor body, and a connecting wire is fixedly installed on one side of the torque sensor body. A moving block is evenly slidably clamped on the outside of the fixing ring, and a connecting rod is inserted at one end of the moving block, and a mounting block is fixedly installed at the other end of the connecting rod. The torque sensor body is sleeved on the central axis of the bicycle, the moving block is rotated, and the moving block is fixed by the fixing rod according to the shape of the frame, and the external cable tie is passed through the notch on the mounting block, so that the mounting block is conveniently fixed to the frame, and then the utility model is conveniently installed on the bicycle, which is convenient to install and use for different types of bicycles and has strong applicability.

[0004] The above device has certain shortcomings when in use: the above device is installed on the bicycle by cable ties. When the power-assisted bicycle encounters bumps during riding, the cable ties are plastic straps, which may cause the entire device to move and be unstable.

[0005] To this end, the utility model provides a shaft torque sensor installation structure to solve the above problems. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a shaft torque sensor installation structure to solve the above problems.

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: an axial torque sensor installation structure, including a sensor body, a data connection line is installed on the side wall of the sensor body, an adjustment component is installed on the outer wall of the sensor body, and a fixing component is installed on the top wall and the bottom wall of the adjustment component;

[0008] The fixing assembly includes a movable rod, a screw groove is provided inside the movable rod, a stud is screwed on the bottom of the inner wall of the screw groove, the top of the stud is fixedly connected to a rotating rod, the top wall of the movable rod is fixedly connected to a limiting ring, the top of the rotating rod is rotatably connected to a rotating seat, the top wall of the rotating seat is hingedly installed with a triangular seat, two elastic semicircular blocks are installed on the top wall of the triangular seat, the two elastic semicircular blocks are symmetrically installed front and back, the top walls of the two elastic semicircular blocks are fixedly connected to a connecting seat, the top wall of the connecting seat located at the front is provided with a mounting groove, the top wall of the connecting seat located at the rear is provided with a limiting groove, the inner wall of the mounting groove is rotatably installed with a limiting seat, the rear side walls of the limiting seat are fixedly connected with elastic strips, the side walls of the elastic strips are fixedly connected with blocks, and the side walls of the limiting groove are provided with slots.

[0009] Through the above technical solution, the setting of the fixing component can facilitate the installation and fixing of the entire device, and can adjust the overall installation length and rotation angle, which is more adaptable during installation and has higher practicality during use.

[0010] Furthermore, the bottom end of the movable rod is hingedly mounted to the outer wall of the adjustment assembly, and the outer wall of the rotating rod is in contact with the inner wall of the limiting ring.

[0011] Through the above technical solution, the movable rod can rotate the installation direction, which has high applicability when fixing the entire device.

[0012] Furthermore, the outer walls of the limiting seat are fitted with the installation groove and the inner walls of the limiting groove, the side walls of the elastic strip are fitted with the side walls of the limiting groove, and the clamping blocks are clamped and installed in the corresponding inner walls of the clamping groove.

[0013] Through the above technical solution, the elastic strip is deformed by force and drives the card block to be installed in the corresponding inner wall of the card slot.

[0014] Furthermore, the adjustment component includes a mounting ring, the inner wall of the mounting ring is fixedly mounted to the outer wall of the sensor body, the outer wall of the mounting ring is provided with a movable groove, and the front and rear walls of the mounting ring are both provided with positioning openings.

[0015] Through the above technical solution, the setting of the positioning opening can limit and fix the sliding block and the connecting block.

[0016] Furthermore, a sliding block is slidably mounted on the inner wall of the movable groove, a connecting block is fixedly connected to the top wall of the sliding block, and the top wall of the connecting block is hingedly mounted to the bottom end of the movable rod.

[0017] Through the above technical solution, the sliding block drives the connecting block to slide in the inner wall of the movable groove.

[0018] Furthermore, the front and rear walls of the connection block are provided with limiting holes, and the limiting holes and the inner walls of the corresponding positioning openings are both plugged and installed with the same rubber strip.

[0019] Through the above technical solution, the rubber strip is inserted into the corresponding inner walls of the limiting hole and the positioning hole for fixation.

[0020] Furthermore, the rubber strips on the same side are all fixedly connected to the same connecting plate, and the connecting plate is in contact with the outer wall of the mounting ring.

[0021] Through the above technical solution, the rubber strip is driven by the connecting plate to be plugged and fixed at the same time.

[0022] Beneficial Effects

[0023] The utility model provides a shaft torque sensor installation structure. Compared with the prior art, it has the following beneficial effects:

[0024] (1) The shaft torque sensor installation structure drives the sliding block to slide in the movable groove through the connecting block, drives the connecting plate to insert and fix the rubber strip into the corresponding positioning port and the limiting hole, drives the rotating rod to rotate the screw groove in the inner wall of the movable rod, drives the rotating seat, the triangular seat and the elastic semicircular clamping block to extend outward in the inner wall of the limiting ring, drives the triangular seat and the elastic semicircular clamping block to rotate to a suitable direction, drives the connecting seat to move away from each other and clamps the elastic semicircular clamping block on the outer wall of the frame, and enters the inner wall of the limiting groove by rotating the limiting seat, so that the elastic strip is forced to approach the limiting seat and drives the clamping block to clamp into the inner wall of the clamping groove and limit and fix it, so that when the torque sensor is installed, the overall length of the movable rod and the rotating rod can be adjusted, the overall adaptability is stronger, and it can be rotated in different directions for adjustment, and then it is clamped and fixed on the frame by the elastic semicircular clamping block, and then clamped and fixed by the clamping block, when the power-assisted bicycle is traveling on a bumpy road, the situation of loose installation is avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is the front view of the external structure of the utility model;

[0026] Figure 2 It is an exploded view of the internal structure of the utility model;

[0027] Figure 3 It is a front view of the internal structure of the utility model;

[0028] Figure 4 It is an enlarged view of the structure of the utility model A.

[0029] In the figure, 1, sensor body; 2, data connection line; 3, adjustment component; 31, positioning port; 32, mounting ring; 33, movable groove; 34, sliding block; 35, connecting block; 36, limiting hole; 37, rubber strip; 38, connecting plate; 4, fixing component; 41, movable rod; 42, screw groove; 43, stud; 44, rotating rod; 45, limiting ring; 46, rotating seat; 47, triangular seat; 48, elastic semicircular block; 49, connecting seat; 410, mounting groove; 411, limiting seat; 412, elastic strip; 413, block; 414, slot; 415, limiting groove. DETAILED DESCRIPTION

[0030] 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.

[0031] Embodiment 1:

[0032] See also Figure 1-4 , a shaft torque sensor installation structure, comprising a sensor body 1, a data connection line 2 is installed on the side wall of the sensor body 1, an adjustment component 3 is installed on the outer wall of the sensor body 1, and a fixing component 4 is installed on the top wall and the bottom wall of the adjustment component 3;

[0033] The fixing assembly 4 comprises a movable rod 41, wherein a screw groove 42 is provided inside the movable rod 41, a stud 43 is screwedly installed at the bottom of the inner wall of the screw groove 42, a rotating rod 44 is fixedly connected to the top of the stud 43, a limiting ring 45 is fixedly connected to the top wall of the movable rod 41, a rotating seat 46 is rotatably connected to the top of the rotating rod 44, a triangular seat 47 is hingedly installed on the top wall of the rotating seat 46, two elastic semicircular blocks 48 are installed on the top wall of the triangular seat 47, the two elastic semicircular blocks 48 are symmetrically installed front and back, the top walls of the two elastic semicircular blocks 48 are fixedly connected to a connecting seat 49, a mounting groove 410 is provided on the top wall of the connecting seat 49 located at the front, a limiting groove 415 is provided on the top wall of the connecting seat 49 located at the rear, a limiting seat 411 is rotatably installed on the inner wall of the mounting groove 410, an elastic strip 412 is fixedly connected to the rear side wall of the limiting seat 411, the side wall of the elastic strip 412 is fixedly connected to the block 413, and the side wall of the limiting groove 415 is provided with a slot 414;

[0034] In the embodiment of the utility model, the purpose of this arrangement is that the arrangement of the fixing assembly 4 can adjust the overall length of the movable rod 41 and the rotating rod 44, and adjust the rotating angle of the movable rod 41, and drive the rotation direction of the two elastic semicircular blocks 48 and the triangular seat 47, and then adjust the angle of the triangular seat 47 so that the entire device can be better adapted to installation during installation, and then it is fixed on the frame through the two elastic semicircular blocks 48. When the power-assisted vehicle is driving on bumps, the overall stability is to avoid shaking and the like.

[0035] Embodiment 2:

[0036] See also Figure 1-4 This embodiment provides a technical solution based on the first embodiment: the bottom end of the movable rod 41 is hingedly installed with the outer wall of the adjustment component 3, the outer wall of the rotating rod 44 is fitted with the inner wall of the limiting ring 45, the outer wall of the limiting seat 411 is fitted with the inner wall of the installation groove 410 and the limiting groove 415, the side wall of the elastic strip 412 is fitted with the side wall of the limiting groove 415, the clamping block 413 is clamped and installed in the corresponding inner wall of the clamping groove 414, the adjustment component 3 includes a mounting ring 32, the inner wall of the mounting ring 32 is fixedly installed with the outer wall of the sensor body 1, and the outer wall of the mounting ring 32 A movable groove 33 is provided, and positioning holes 31 are provided on the front and rear walls of the mounting ring 32. A sliding block 34 is slidably installed on the inner wall of the movable groove 33. A connecting block 35 is fixedly connected to the top wall of the sliding block 34. The top wall of the connecting block 35 is hingedly installed with the bottom end of the movable rod 41. Limiting holes 36 are provided on the front and rear walls of the connecting block 35. The limiting holes 36 and the corresponding inner walls of the positioning holes 31 are plugged and installed with the same rubber strip 37. The rubber strips 37 on the same side are fixedly connected with the same connecting plate 38. The connecting plate 38 is fitted with the outer wall of the mounting ring 32.

[0037] In the embodiment of the utility model, the purpose of this arrangement is that the arrangement of the adjustment component 3 can adjust the position of the fixing component 4 in the inner wall of the mounting ring 32 and the movable groove 33, so it is more convenient and practical when installing the sensor body 1. After the overall fixation is completed, when the vehicle is driving on a bumpy road, it can avoid shaking or loose installation.

[0038] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0039] During operation, the sensor body 1 is first sleeved on the central axis of the external bicycle, and the data connection line 2 is electrically connected to the external controller and the motor. The pedaling force on the central axis is sensed through the sensor body 1, and the sensed signal is transmitted to the external controller and the motor for assistance. After the movable connecting block 35 drives the sliding block 34 to slide to a suitable position in the inner wall of the movable groove 33 on the mounting ring 32, the movable connecting plate 38 drives the rubber strip 37 to be inserted into the corresponding positioning port 31 and the inner wall of the limiting hole 36 for limiting and fixing. By rotating the rotating rod 44, the stud 43 is driven to rotate in the screw groove 42 in the inner wall of the movable rod 41, so that the rotating rod 44 extends outward in the inner wall of the limiting ring 45, and at the same time drives the rotating seat 46, the triangular seat 47 and the elastic semicircular block 48 extend outward. After the length of the movable rod 41 and the rotating rod 44 are adjusted, the triangular seat 47 and the elastic semicircular block 48 are first driven to rotate to a suitable direction by the rotating seat 46, and then the triangular seat 47 and the elastic semicircular block 48 are rotated to align with the position of the frame, and the movable connecting seat 49 drives the elastic semicircular block 48 to move away from each other and clamp the elastic semicircular block 48 on the outer wall of the frame, and enter the inner wall of the limiting groove 415 by rotating the limiting seat 411, so that the elastic strip 412 is forced to approach the limiting seat 411 and drive the block 413 to clamp into the inner wall of the card groove 414 for limiting and fixing, thereby completing the limiting and fixing of the connecting seat 49 and the elastic semicircular block 48.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A shaft torque sensor mounting structure, comprising a sensor body (1), characterized in that: A data connection line (2) is installed on the side wall of the sensor body (1), an adjustment component (3) is installed on the outer wall of the sensor body (1), and a fixing component (4) is installed on the top wall and the bottom wall of the adjustment component (3); The fixing assembly (4) comprises a movable rod (41), a screw groove (42) is provided inside the movable rod (41), a stud (43) is screwed and installed at the bottom of the inner wall of the screw groove (42), a rotating rod (44) is fixedly connected to the top of the stud (43), a limiting ring (45) is fixedly connected to the top wall of the movable rod (41), a rotating seat (46) is rotatably connected to the top of the rotating rod (44), a triangular seat (47) is hingedly installed on the top wall of the rotating seat (46), and two elastic semicircular blocks (48) are installed on the top wall of the triangular seat (47). The two elastic semicircular blocks (48) are symmetrically installed front and back, the top walls of the two elastic semicircular blocks (48) are fixedly connected to the connecting seat (49), the top wall of the connecting seat (49) located at the front is provided with a mounting groove (410), and the top wall of the connecting seat (49) located at the rear is provided with a limiting groove (415), the inner wall of the mounting groove (410) is rotatably installed with a limiting seat (411), the rear side walls of the limiting seat (411) are fixedly connected to the elastic strip (412), the side walls of the elastic strip (412) are fixedly connected to the block (413), and the side walls of the limiting groove (415) are provided with a clamping groove (414).

2. The shaft torque sensor installation structure according to claim 1, characterized in that: The bottom end of the movable rod (41) is hingedly mounted to the outer wall of the adjustment assembly (3), and the outer wall of the rotating rod (44) is in contact with the inner wall of the limiting ring (45).

3. The shaft torque sensor installation structure according to claim 1, characterized in that: The outer wall of the limiting seat (411) is fitted with the inner wall of the installation groove (410) and the limiting groove (415), the side wall of the elastic strip (412) is fitted with the side wall of the limiting groove (415), and the clamping block (413) is clamped and installed in the inner wall of the corresponding clamping groove (414).

4. The shaft torque sensor installation structure according to claim 1, characterized in that: The adjustment assembly (3) comprises a mounting ring (32), the inner wall of the mounting ring (32) being fixedly mounted to the outer wall of the sensor body (1), the outer wall of the mounting ring (32) being provided with a movable groove (33), and the front and rear walls of the mounting ring (32) being provided with positioning openings (31).

5. The shaft torque sensor installation structure according to claim 4, characterized in that: A sliding block (34) is slidably mounted on the inner wall of the movable groove (33), a connecting block (35) is fixedly connected to the top wall of the sliding block (34), and the top wall of the connecting block (35) is hingedly mounted to the bottom end of the movable rod (41).

6. The shaft torque sensor installation structure according to claim 5, characterized in that: The front and rear walls of the connection block (35) are both provided with limiting holes (36), and the limiting holes (36) and the inner walls of the corresponding positioning openings (31) are both plugged and installed with a same rubber strip (37).

7. The shaft torque sensor installation structure according to claim 6, characterized in that: The rubber strips (37) located on the same side are all fixedly connected to the same connecting plate (38), and the connecting plate (38) is in contact with the outer wall of the mounting ring (32).

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