Linear output low-cost torque sensor

Abstract

The utility model discloses a linear output low-cost torque sensor, relates to the technical field of torque sensors, and aims to solve the problems that most of existing torque sensors are installed in a threaded connection mode, and after the sensors are installed in equipment, the sensors are installed in a torsion disassembly mode, so that the cost of the sensors is reduced. According to the key points of the technical scheme, the sensor comprises a sensor body, a base is fixedly connected to the outer side of the sensor body, a first cavity is formed in the base, a spring and a limiting block are arranged in the first cavity, a connecting base is arranged on the outer side of the base, and the connecting base is fixedly connected with the base. And a mounting hole and a limiting hole are formed in the connecting seat. And the effects of convenient use and efficient protection are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of torque sensors, in particular to a low-cost torque sensor with linear output. 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, rotational 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 accurate electrical signals. 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 above-mentioned existing technical solutions have the following defects: most of the existing torque sensors are installed by threaded connection. After the sensor is installed inside the equipment, this installation method of disassembly by twisting is not convenient for later maintenance and replacement. Utility Model Content

[0004] The utility model aims to provide a low-cost torque sensor with linear output.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A low-cost torque sensor with linear output comprises a sensor body, the outer side of the sensor body is fixedly connected to a base, a first cavity is provided inside the base, a spring and a limit block are arranged inside the first cavity, a connecting seat is provided outside the base, and a mounting hole and a limit hole are arranged inside the connecting seat.

[0007] By adopting the above technical solution, a structure that can be quickly engaged by a spring is added to the bottom of the sensor, so that the base can be quickly engaged and connected with the connecting seat, and the connecting seat can be connected and installed with the equipment to be installed. The sensor can be disassembled at any time later, and the operation is more convenient.

[0008] Furthermore, a first protective shell and a second protective shell are provided on the outer side of the sensor body, a first mounting block is fixedly connected to the outer side of the first protective shell, a through hole is provided inside the first mounting block, a second mounting block is fixedly connected to the outer side of the second protective shell, a threaded hole is provided inside the second mounting block, a locking bolt is inserted into the through hole, a second cavity is provided inside the first protective shell, and a reinforcing rib is fixedly connected to the inside of the second cavity.

[0009] By adopting the above technical solution and adding a protective shell, the protection of the sensor main body can be improved through the protective shell, preventing the sensor from being damaged by extrusion and impact.

[0010] Furthermore, the first cavities, springs and limit blocks are respectively distributed in four rings at equal intervals, the limit blocks and the base are movably connected via springs, the limit holes are distributed in four rings at equal intervals, and the limit holes and the limit blocks are snap-fitted and connected.

[0011] By adopting the above technical solution and through the annular distribution, the stability of the spring connection structure after installation can be improved.

[0012] Furthermore, the first protective shell and the second protective shell are rotatably connected via a rotating shaft, both of the first protective shell and the second protective shell adopt a semicircular structure, the first protective shell and the second protective shell are of the same size and specification, and both of the first protective shell and the second protective shell are in contact with the surface outside the sensor body.

[0013] By adopting the above technical solution, through the semicircular structure, the two protective shells can be opened and closed at the same time, so as to wrap the main body of the sensor and achieve the protection function.

[0014] Furthermore, the first mounting block and the second mounting block are in contact with each other, the centers of the through hole and the threaded hole are located on the same vertical line, and the locking bolt and the threaded hole are threadedly connected.

[0015] By adopting the above technical solution, the two protective shells can be locked and fixed by locking bolts, and whether to install the protective shells can be selected according to needs, which is convenient for installation and use.

[0016] In summary, the beneficial technical effects of the utility model are:

[0017] 1. The base, spring and connecting seat are used. The bottom of the sensor is added with a structure that can be engaged by the spring. The bottom of the sensor is engaged with the inside of the connecting seat, and the limit block and the limit hole are engaged and connected. The structure can be quickly disassembled and assembled, which is convenient to use.

[0018] 2. A protective shell is used, and two sets of semicircular protective shells are added. They can be rotated open by the shaft, and the protective shell and the outer side of the sensor are installed and protected. At the same time, they are installed and locked through the locking bolts and the threaded holes inside the mounting block. At the same time, the reinforcing ribs inside the protective shell can improve the structural strength of the protective shell and produce a highly efficient protection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the three-dimensional structure of the connecting seat of the utility model;

[0021] Figure 3 This is a schematic diagram of the cross-sectional structure of the base of the utility model;

[0022] Figure 4 This is a schematic diagram of the three-dimensional structure of the protective shell of the utility model;

[0023] Figure 5 This is a schematic diagram of the cross-sectional structure of the protective shell of the utility model.

[0024] In the figure, 1. sensor body; 2. base; 3. first cavity; 4. spring; 5. limit block; 6. connecting seat; 7. mounting hole; 8. limit hole; 9. first protective shell; 10. second protective shell; 11. first mounting block; 12. through hole; 13. second mounting block; 14. threaded hole; 15. locking bolt; 16. second cavity; 17. reinforcing rib. DETAILED DESCRIPTION

[0025] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0026] Reference Figure 1-5 A low-cost torque sensor with linear output includes a sensor body 1, a base 2 is fixedly connected to the outside of the sensor body 1, a first cavity 3 is provided inside the base 2, a spring 4 and a limit block 5 are arranged inside the first cavity 3, a connecting seat 6 is provided on the outside of the base 2, a mounting hole 7 and a limit hole 8 are arranged inside the connecting seat 6, a first protective shell 9 and a second protective shell 10 are provided on the outside of the sensor body 1, a first mounting block 11 is fixedly connected to the outside of the first protective shell 9, a through hole 12 is arranged inside the first mounting block 11, a second mounting block 13 is fixedly connected to the outside of the second protective shell 10, and a second mounting block 14 is provided on the inside of the second protective shell 10. A threaded hole 14 is provided inside the block 13, a locking bolt 15 is inserted into the through hole 12, a second cavity 16 is provided inside the first protective shell 9, a reinforcing rib 17 is fixedly connected inside the second cavity 16, and a structure that can be quickly engaged by a spring 4 is added to the bottom of the sensor, so that the base 2 can be quickly engaged with the connecting seat 6, and the connecting seat 6 can be connected and installed to the equipment to be installed. The sensor can be disassembled at any time later, and the operation is more convenient. The protective shell can improve the protection of the sensor main body to prevent the sensor from being damaged by extrusion and impact.

[0027] like Figure 1-5As shown, the first cavity 3, the spring 4 and the limit block 5 are respectively distributed in four rings at equal intervals, the limit block 5 and the base 2 are movably connected by the spring 4, the limit holes 8 are distributed in four rings at equal intervals, the limit hole 8 and the limit block 5 are snap-fitted, the first protective shell 9 and the second protective shell 10 are rotatably connected by a rotating shaft, the first protective shell 9 and the second protective shell 10 both adopt a semicircular structure, the first protective shell 9 and the second protective shell 10 are of the same size and specification, the first protective shell 9 and the second protective shell 10 are in contact with the surface of the outer side of the sensor body 1, the first mounting block 11 and the second mounting block 13 are in contact with each other, the centers of the through hole 12 and the threaded hole 14 are located on the same vertical straight line, the locking bolt 15 and the threaded hole 14 are threadedly connected, and the structures are distributed in an annular manner, which can improve the stability of the spring 4 connection structure after installation, and at the same time, the two protective shells can be opened and closed to wrap the main body of the sensor to achieve a protective effect.

[0028] The implementation principle of this embodiment is: first install the protective shell according to the needs, the first protective shell 9 and the second protective shell 10 can be opened, and then the protective shell is installed, and then the locking bolt 15 is threadedly connected with the threaded hole 14 to lock and fix the two protective shells. When in use, first install the connecting seat 6 and the equipment, and then install the bottom of the sensor body 1 inside the connecting seat 6. At the same time, the limit block 5 is quickly engaged with the inside of the limit hole 8 through the expansion and contraction action of the spring 4 to achieve quick installation. When the structure is disassembled later, the sensor can be disassembled by directly pressing the limit block 5, which is convenient for operation.

[0029] The embodiments of this specific implementation method are all preferred embodiments of the utility model, and are not intended to limit the protection scope of the utility model. Therefore, all equivalent changes made based on the structure, shape, and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A low-cost torque sensor with linear output, comprising a sensor body (1), characterized in that: The outer side of the sensor body (1) is fixedly connected to a base (2), a first cavity (3) is provided inside the base (2), a spring (4) and a limit block (5) are provided inside the first cavity (3), a connecting seat (6) is provided on the outer side of the base (2), and a mounting hole (7) and a limit hole (8) are provided inside the connecting seat (6).

2. The low-cost torque sensor with linear output according to claim 1, characterized in that: A first protective shell (9) and a second protective shell (10) are arranged on the outer side of the sensor body (1); a first mounting block (11) is fixedly connected to the outer side of the first protective shell (9); a through hole (12) is provided inside the first mounting block (11); a second mounting block (13) is fixedly connected to the outer side of the second protective shell (10); a threaded hole (14) is provided inside the second mounting block (13); a locking bolt (15) is inserted into the inside of the through hole (12); a second cavity (16) is provided inside the first protective shell (9); a reinforcing rib (17) is fixedly connected to the inside of the second cavity (16).

3. The low-cost torque sensor with linear output according to claim 1, characterized in that: The first cavities (3), springs (4) and limit blocks (5) are respectively distributed in four equal-spaced annular arrangements, the limit blocks (5) and the base (2) are movably connected via the springs (4), the limit holes (8) are distributed in four equal-spaced annular arrangements, and the limit holes (8) and the limit blocks (5) are snap-fitted and connected.

4. The low-cost torque sensor with linear output according to claim 2, characterized in that: The first protective shell (9) and the second protective shell (10) are rotatably connected via a rotating shaft; the first protective shell (9) and the second protective shell (10) both have a semicircular structure; the first protective shell (9) and the second protective shell (10) are of the same size and specifications; and the first protective shell (9) and the second protective shell (10) both contact with the surface of the outer side of the sensor body (1).

5. The low-cost torque sensor with linear output according to claim 2, characterized in that: The first mounting block (11) and the second mounting block (13) are in contact with each other, the centers of the through hole (12) and the threaded hole (14) are located on the same vertical line, and the locking bolt (15) and the threaded hole (14) are threadedly connected.

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