Electromagnetic water pump torque detection mechanism
By designing an electromagnetic water pump torque detection mechanism with automatic alignment and buffering mechanisms, the problem of coaxiality error caused by manual positioning is solved, ensuring accurate detection and component protection of the electromagnetic water pump, and improving detection accuracy and reliability.
Patent Information
- Application Number
- CN202522544653.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-28
- Publication Date
- 2026-11-03
- Estimated Expiration
- 2035-11-28
AI Technical Summary
In the existing electromagnetic water pump torque testing process, manual positioning makes it difficult to ensure that the pump's testing shaft and the torque sensor's drive shaft are precisely coaxial, leading to distorted measurement data and accelerated wear of precision components.
An electromagnetic water pump torque detection mechanism was designed, including a testing platform, a support column, a sliding seat, a test motor, a torque sensor, and a positioning component. Through an automatic alignment and buffer mechanism, the electromagnetic water pump and the torque sensor are coaxially positioned to avoid human operation errors, and the torque sensor is protected by springs and a fixed cylinder.
It achieves precise coaxial positioning of the electromagnetic water pump, avoiding errors in test results and damage to precision components, thus improving test accuracy and reliability.
Smart Images

Figure CN224933565U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electromagnetic water pump torque detection, specifically an electromagnetic water pump torque detection mechanism. Background Technology
[0002] Electromagnetic water pumps, as a new type of fluid transport device that uses electromagnetic force to directly drive a plunger to reciprocate, are widely used in fields with stringent requirements for size, noise, and reliability, such as medical devices, laboratory equipment, industrial analytical instruments, and high-end cooling systems. Their core performance indicator—output torque—directly determines the pump's output pressure, flow stability, and long-term service life. Therefore, it is crucial to conduct accurate torque testing on electromagnetic water pumps during factory inspection and quality control.
[0003] The torque testing process for most electromagnetic water pumps currently relies on operators manually placing the electromagnetic water pump at the test station and performing rough positioning. This manual operation makes it difficult to ensure that the test shaft of the water pump and the drive shaft of the torque sensor achieve the precise coaxiality requirement, resulting in distorted torque sensor measurement data, significant errors, and accelerated wear or even damage to precision components such as couplings and sensors.
[0004] Therefore, an electromagnetic water pump torque detection mechanism is proposed. Utility Model Content
[0005] The purpose of this invention is to provide an electromagnetic water pump torque detection mechanism to solve the problems mentioned in the background art.
[0006] The objective of this utility model can be achieved through the following technical solutions:
[0007] An electromagnetic water pump torque testing mechanism includes a testing platform. A support column is fixedly connected to the testing platform, a sliding seat is slidably mounted on the support column, and a bracket is fixedly connected to the sliding seat. A test motor is fixedly connected to the upper end of the bracket, and a torque sensor is fixedly connected to the lower end. The output end of the test motor is connected to the torque sensor via a coupling. A mounting column is fixedly connected to the torque sensor via the coupling. The mounting column is used to install a clamp that engages with the testing end of the electromagnetic water pump. A positioning component for fixing the electromagnetic water pump is installed on the testing platform.
[0008] Preferably, a fixing cylinder is fixedly connected to the upper end of the mounting column, a connecting column is slidably installed inside the connecting column, the connecting column and the torque sensor are connected by a coupling, and a spring is fixedly connected between the inner wall of the fixing cylinder and the connecting column.
[0009] Preferably, the side wall of the support column is provided with a vertical sliding groove, a lead screw is rotatably installed inside the support column, a servo motor is fixedly connected to the upper end of the support column, the output end of the servo motor is fixedly connected to the upper end of the lead screw, the sliding seat is connected to the lead screw, and the lead screw is used to drive the sliding seat to move.
[0010] Preferably, the positioning component includes an electric slide rail, which is fixedly connected to the detection table. An adjustment seat is fixedly connected to the sliding end of the electric slide rail, and a clamping component is provided at the upper end of the adjustment seat.
[0011] Preferably, the clamping assembly includes two sets of clamping blocks, which are symmetrically arranged. One set of clamping blocks slides on the upper end of the adjusting seat, and the other set of clamping blocks is fixed to the upper end of the adjusting seat. A cylinder is fixed to one end of the adjusting seat, and the output end of the cylinder is fixed to the sliding clamping block. The two sets of clamping blocks are used to clamp the electromagnetic water pump.
[0012] Preferably, the inner walls of both sets of clamping blocks are V-shaped, and the inner walls of both sets of clamping blocks are bonded with rubber pads.
[0013] The beneficial effects of this utility model are:
[0014] 1. This utility model allows the electromagnetic water pump to be tested to be directly inserted and placed inside the positioning component by adjusting the state of the positioning component in advance. This enables the electromagnetic water pump to be positioned in the center. The operation is simple and does not require manual positioning. It also makes the detection end of the electromagnetic water pump coaxial with the detection shaft of the torque sensor, avoiding erroneous detection results and preventing damage to precision components.
[0015] 2. This utility model provides a reliable protective barrier for the high-precision torque sensor by setting a buffer mechanism consisting of a fixed cylinder, a connecting column, and a spring between the mounting column and the torque sensor. This prevents the clamp on the mounting column from excessively descending and squeezing the electromagnetic water pump, thereby avoiding damage or erroneous detection caused by excessive squeezing of the water pump during detection. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0018] Figure 2 This is a schematic diagram of the positioning component structure of this utility model;
[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the support column of this utility model;
[0020] Figure 4 This is a schematic diagram of the internal structure of the fixed cylinder of this utility model;
[0021] The attached figures are labeled as follows:
[0022] 1. Testing table; 2. Support column; 3. Vertical slide rail; 4. Lead screw; 5. Servo motor; 6. Sliding seat; 7. Bracket; 8. Test motor; 9. Torque sensor; 10. Coupling; 11. Mounting column; 12. Fixing cylinder; 13. Spring; 14. Connecting column; 15. Electric slide rail; 16. Adjusting seat; 18. Clamping block; 19. Cylinder; 20. Rubber pad. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0024] An electromagnetic water pump torque detection mechanism, such as Figures 1-4 As shown, the system includes a testing platform 1, a support column 2 fixedly connected to the testing platform 1, a sliding seat 6 slidably mounted on the support column 2, a bracket 7 fixedly connected to the sliding seat 6, a test motor 8 (model MINAS A6) fixedly connected to the upper end of the bracket 7, and a torque sensor 9 (HBM T12 torque sensor) fixedly connected to the lower end of the bracket 7. The output end of the test motor 8 is connected to the torque sensor 9 via a coupling 10. The torque sensor 9 is fixedly connected to a mounting column 11 via the coupling 10. The mounting column 11 is used to install a clamp that engages with the testing end of the electromagnetic water pump (the specific structure and shape of the clamp are customized according to the electromagnetic water pump). A positioning component for fixing the electromagnetic water pump is installed on the testing platform 1.
[0025] Before testing, place the electromagnetic water pump on the positioning component (this article tests the part of the electromagnetic water pump with the output end), and lower the clamp to engage or insert with the testing end of the electromagnetic water pump. At this time, the testing end of the electromagnetic water pump is coaxially connected with the mounting column 11. Adjust the positioning component to clamp and position the electromagnetic water pump. At this time, the state adjustment of the positioning component is completed, and it is locked. Control the sliding seat 6 to lift, the clamp disengages from the electromagnetic water pump, and the electromagnetic water pump is taken out upward. The pre-adjustment of this testing mechanism is completed.
[0026] During testing, the electromagnetic water pump to be tested is directly inserted into the locked positioning assembly, which allows for positioning of the electromagnetic water pump in the front-back, left-right, and right directions. The operation is simple and requires no manual positioning. The detection end of the electromagnetic water pump is made coaxial with the detection shaft of the torque sensor 9. By controlling the sliding seat 6 to move down, the clamp can be inserted into the detection end of the electromagnetic water pump. The output end of the detection motor drives the detection end of the electromagnetic water pump to rotate through the coupling 10, torque sensor 9, mounting column 11, and other structures. The torque is detected by the torque sensor 9 (also known as a torque sensor). The electromagnetic water pump of this testing mechanism does not require manual alignment, avoiding errors in the test results and preventing damage to precision components.
[0027] A fixing cylinder 12 is fixedly connected to the upper end of the mounting column 11. A connecting column 14 is slidably installed inside the connecting column 14. The connecting column 14 is connected to the torque sensor 9 through a coupling 10. A spring 13 is fixedly connected between the inner wall of the fixing cylinder 12 and the connecting column 14.
[0028] A buffer mechanism consisting of a fixed cylinder 12, a connecting column 14, and a spring 13 is provided between the mounting column 11 and the torque sensor 9. The connecting column 14 and the fixed cylinder 12 can only slide and cannot rotate, providing a reliable protective barrier for the high-precision torque sensor 9. This prevents the clamp on the mounting column 11 from excessively descending and squeezing the electromagnetic water pump, thereby avoiding damage or incorrect detection caused by excessive squeezing of the water pump during detection.
[0029] The side wall of the support column 2 is provided with a vertical sliding groove 3. A lead screw 4 is rotatably installed inside the support column 2. A servo motor 5 is fixedly connected to the upper end of the support column 2. The output end of the servo motor 5 is fixedly connected to the upper end of the lead screw 4. The sliding seat 6 is connected to the lead screw 4, and the lead screw 4 is used to drive the sliding seat 6 to move.
[0030] The sliding seat 6 forms a lead screw 4-nut pair with the lead screw 4 through the nut inside it. When the servo motor 5 is working, it drives the lead screw 4 to rotate, thereby driving the sliding seat 6 and the structure on it to move in the vertical direction, realizing automatic docking with the electromagnetic water pump below.
[0031] The positioning component includes an electric slide rail 15 (model EGR 45-R), which is fixed to the detection table 1. An adjustment seat 16 is fixed to the sliding end of the electric slide rail 15. A clamping component is provided at the upper end of the adjustment seat 16. The electric slide rail 15 controls the lateral movement of the clamping component, so that the center of the clamping component can be adjusted in the left and right directions.
[0032] The clamping assembly includes two sets of clamping blocks 18, which are symmetrically arranged. One set of clamping blocks 18 slides on the upper end of the adjusting seat 16, and the other set of clamping blocks 18 is fixed to the upper end of the adjusting seat 16. A cylinder 19 (model MBB50-200Z) is fixed to one end of the adjusting seat 16. The output end of the cylinder 19 is fixed to the sliding clamping block 18. The two sets of clamping blocks 18 are used to clamp the electromagnetic water pump.
[0033] The output end of cylinder 19 pulls the clamping block 18 to slide, causing the clamping block 18 to move closer to another set of clamping blocks 18. The two sets of clamping blocks 18 cooperate to clamp and position the electromagnetic water pump.
[0034] The inner walls of both sets of clamping blocks 18 are V-shaped, and rubber pads 20 are glued to the inner walls of both sets of clamping blocks 18. The two sets of clamping blocks 18 can clamp electromagnetic water pumps of various sizes, and the rubber pads 20 prevent the clamping blocks 18 from scratching the surface of the electromagnetic water pump.
[0035] The working principle of the electromagnetic water pump torque detection mechanism provided by this utility model is as follows:
[0036] Before testing, the positioning component needs to be adjusted. The electromagnetic water pump (this article tests the part of the electromagnetic water pump with the output end) is placed on the positioning component, and the clamp is lowered to engage or insert with the testing end of the electromagnetic water pump. At this time, the testing end of the electromagnetic water pump is coaxially connected with the mounting column 11. The electric slide rail 15 and the cylinder 19 are controlled to run, so that the two sets of clamps 18 clamp the outer wall of the electromagnetic water pump. At this time, the state of the positioning component is adjusted and locked. The sliding seat 6 is raised, the clamp is disengaged from the electromagnetic water pump, and the electromagnetic water pump is taken out upward. The pre-adjustment of this testing mechanism is completed.
[0037] During testing, the electromagnetic water pump to be tested is directly inserted into the locked positioning assembly, which can position the electromagnetic water pump in the front-back, left-right directions. The operation is simple and does not require manual positioning. This ensures that the detection end of the electromagnetic water pump is coaxial with the detection shaft of the torque sensor 9. By controlling the sliding seat 6 to move down, the clamp can be inserted into the detection end of the electromagnetic water pump. The output end of the testing motor drives the detection end of the electromagnetic water pump to rotate through the coupling 10, torque sensor 9, mounting column 11 and other structures. The torque is detected by the torque sensor 9 (also known as a torque sensor). The electromagnetic water pump of this testing mechanism does not require manual alignment, avoiding incorrect test results and damage to precision components.
[0038] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.
Claims
1. An electromagnetic water pump torque testing mechanism, comprising a testing platform (1), characterized in that, A support column (2) is fixedly connected to the test platform (1). A sliding seat (6) is slidably installed on the support column (2). A bracket (7) is fixedly connected to the sliding seat (6). A test motor (8) is fixedly connected to the upper end of the bracket (7), and a torque sensor (9) is fixedly connected to the lower end. The output end of the test motor (8) is connected to the torque sensor (9) through a coupling (10). The torque sensor (9) is fixedly connected to a mounting column (11) through the coupling (10). The mounting column (11) is used to install a clamp that engages with the test end of the electromagnetic water pump. A positioning component for fixing the electromagnetic water pump is installed on the test platform (1).
2. The electromagnetic water pump torque detection mechanism according to claim 1, characterized in that, The upper end of the mounting column (11) is fixedly connected to a fixed cylinder (12), and a connecting column (14) is slidably installed inside the connecting column (14). The connecting column (14) is connected to the torque sensor (9) through a coupling (10). A spring (13) is fixedly connected between the inner wall of the fixed cylinder (12) and the connecting column (14).
3. The electromagnetic water pump torque detection mechanism according to claim 1, characterized in that, The side wall of the support column (2) is provided with a vertical sliding groove (3), a lead screw (4) is rotatably installed inside the support column (2), a servo motor (5) is fixedly connected to the upper end of the support column (2), the output end of the servo motor (5) is fixedly connected to the upper end of the lead screw (4), the sliding seat (6) is connected to the lead screw (4), and the lead screw (4) is used to drive the sliding seat (6) to move.
4. The electromagnetic water pump torque detection mechanism according to claim 1, characterized in that, The positioning component includes an electric slide rail (15), which is fixedly connected to the detection table (1). An adjustment seat (16) is fixedly connected to the sliding end of the electric slide rail (15), and a clamping component is provided at the upper end of the adjustment seat (16).
5. The electromagnetic water pump torque detection mechanism according to claim 4, characterized in that, The clamping assembly includes two sets of clamping blocks (18), which are symmetrically arranged. One set of clamping blocks (18) slides on the upper end of the adjusting seat (16), and the other set of clamping blocks (18) is fixed to the upper end of the adjusting seat (16). A cylinder (19) is fixed to one end of the adjusting seat (16), and the output end of the cylinder (19) is fixed to the sliding clamping block (18). The two sets of clamping blocks (18) are used to clamp the electromagnetic water pump.
6. The electromagnetic water pump torque detection mechanism according to claim 5, characterized in that, The inner walls of both sets of clamping blocks (18) are V-shaped, and the inner walls of both sets of clamping blocks (18) are bonded with rubber pads (20).
