Measuring device for deformation quantity of elastic element

Abstract

The utility model discloses a device for measuring the deformation quantity of an elastic element, and relates to the technical field of elastic element measurement. The measuring device comprises a base which is provided with a placing surface, and the placing surface is provided with a first accommodating groove for accommodating a deformed elastic element; the first standard block is placed on the placing surface; the first standard block has a first surface; the second standard block is placed in the first accommodating groove; the second standard block has a second surface; the first standard block and the second standard block are equal in size in the axial direction; the measuring unit is arranged on one side, far away from the placing surface, of the first standard block and is used for acquiring a first size and a second size along the axial direction; the difference value between the first size and the second size is the deformation quantity; in the axial direction, the first size is the size difference between the first face and the side, away from the placing face, of the elastic element, and the second size is the size difference between the second face and the first face. Therefore, by arranging the first standard block and the second standard block which are equal in height, the deformation quantity is converted into the height size which is convenient to measure, and the measurement accuracy is improved.

Description

Technical Field

[0001] This application relates to the field of elastic element measurement technology, and specifically to a device for measuring the deformation of an elastic element. Background Technology

[0002] In the actual use of fuel injectors, the deformation (protrusion amount) of the elastic element is used for the buffer pressure and the impact force of the armature moving up and down. Therefore, the deformation of the elastic element is one of the important measurement dimensions for achieving fuel injector stability control.

[0003] However, because fuel injectors typically operate under high-pressure, precisely controlled conditions, and their structure is complex, the deformation of the elastic element requires measurement of numerous basic dimensions. Currently, the deformation of the elastic element needs to be measured and calculated using a combination of several general-purpose measuring tools, resulting in significant measurement errors that affect the stability of the fuel injector's performance. Utility Model Content

[0004] This application provides a device for measuring the deformation of an elastic element. By setting a first standard block and a second standard block of equal height, the deformation of the elastic element is transformed into a height dimension that is easy to measure. This solves the problem in the prior art that the deformation needs to be measured and calculated using a combination of several general measuring tools, resulting in a large measurement error.

[0005] This application provides a device for measuring the deformation of an elastic element, used to measure the deformation of the elastic element. The measuring device includes:

[0006] The base has a placement surface and a first receiving groove for accommodating the deformed elastic element.

[0007] A first standard block is placed on the placement surface; the first standard block has a first surface that is away from the placement surface.

[0008] A second standard block is placed in the first receiving groove; the second standard block has a second surface away from the placement surface; the first standard block and the second standard block are of equal size along the axial direction of the elastic element;

[0009] A measuring unit is disposed on the side of the first standard block away from the placement surface. The measuring unit is used to obtain a first dimension and a second dimension along the axial direction. The difference between the first dimension and the second dimension is the deformation. Along the axial direction, the first dimension is the difference between the size of the first surface and the side of the elastic element away from the placement surface, and the second dimension is the difference between the size of the second surface and the first surface.

[0010] In some embodiments, along the axial direction, the depth of the first receiving groove is a third dimension, the height of the elastic element is a fourth dimension, and the measuring device satisfies that the third dimension is less than the fourth dimension.

[0011] In some embodiments, the first standard block is provided with a second receiving groove, which communicates with the first receiving groove, and the second receiving groove is used to receive the portion of the elastic element that protrudes from the first receiving groove.

[0012] In some embodiments, the first standard block is a ring-shaped column structure, and the first standard block has a first through hole communicating with the first receiving groove, the first through hole being used to accommodate the elastic element.

[0013] In some embodiments, the first standard block is provided with a first lead groove for accommodating the wires of the elastic element.

[0014] In some embodiments, the first standard block is provided with a first lead groove, which communicates with the second receiving groove.

[0015] In some embodiments, the first standard block is provided with a first lead groove, which communicates with the first through hole.

[0016] In some embodiments, the second standard block is a ring-shaped column structure, and the second standard block has a second through hole for accommodating the elastic element.

[0017] In some embodiments, along the axial direction, the height of the second standard block is a fifth dimension, and the measuring device satisfies that the third dimension is smaller than the fifth dimension.

[0018] In some embodiments, the second standard block is provided with a second lead groove for accommodating the wires of the elastic element.

[0019] In some embodiments, the measuring unit includes:

[0020] An adapter is disposed on the side of the first standard block away from the base;

[0021] A tappet and a measuring tool, which are assembled via the adapter.

[0022] In some embodiments, the measuring unit further includes:

[0023] A return spring is located inside the push rod.

[0024] Compared with the prior art, this application provides a device for measuring the deformation of an elastic element. The device includes: a base with a placement surface and a first receiving groove for accommodating the deformed elastic element; a first standard block placed on the placement surface, having a first surface away from the placement surface; a second standard block placed in the first receiving groove, having a second surface away from the placement surface; the first and second standard blocks having equal dimensions along the axial direction of the elastic element; and a measuring unit disposed on the side of the first standard block away from the placement surface, used to acquire a first dimension and a second dimension along the axial direction. The difference between the first and second dimensions is the deformation. Along the axial direction, the first dimension is the difference between the first surface and the dimension of the side of the elastic element away from the placement surface, and the second dimension is the difference between the second surface and the first surface. Thus, by setting first and second standard blocks of equal height, the deformation of the elastic element is converted into a conveniently measurable height dimension, improving the accuracy of the deformation measurement. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0026] Figure 1 A schematic diagram of the structure of a device for measuring the deformation of an elastic element provided in an embodiment of this application;

[0027] Figure 2 Another structural schematic diagram of a device for measuring the deformation of an elastic element provided in an embodiment of this application;

[0028] Figure 3 A schematic diagram of another structure of a device for measuring the deformation of an elastic element provided in an embodiment of this application;

[0029] Figure 4 A schematic diagram of the structure of a second standard block in a device for measuring the deformation of an elastic element provided in an embodiment of this application;

[0030] Figure 5 This is a schematic diagram of another structure of the first and second standard blocks in a measuring device for measuring the deformation of an elastic element provided in an embodiment of this application.

[0031] Reference numerals: 100-base; 110-placement surface; 120-first receiving groove; 200-elastic element; 210-wire; 300-first standard block; 310-second receiving groove; 320-first through hole; 330-first lead wire groove; 340-first surface; 400-second standard block; 410-second through hole; 420-second lead wire groove; 430-second surface; 500-measuring unit; 510-adapter; 520-pull rod; 530-measuring tool; 540-return spring; X-axial direction. Detailed Implementation

[0032] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0033] This application provides a device for measuring the deformation of an elastic element. Please refer to [link to relevant documentation]. Figure 1 , Figure 2 , Figure 3 and Figure 5 , Figure 1 This illustration shows a structural diagram of a device for measuring the deformation of an elastic element according to an embodiment of this application; Figure 2 This illustration shows another structural diagram of a device for measuring the deformation of an elastic element provided in an embodiment of this application; Figure 3 This illustration shows another structural diagram of a device for measuring the deformation of an elastic element provided in an embodiment of this application; Figure 5This illustration shows another structural diagram of the first and second standard blocks in a device for measuring the deformation of an elastic element provided in an embodiment of this application. This application provides a device for measuring the deformation of an elastic element 200, comprising: a base 100, a first standard block 300, a second standard block 400, and a measuring unit 500. The base 100 has a placement surface 110, and the placement surface 110 has a first receiving groove 120 for receiving the deformed elastic element 200; a first standard block 300 is placed on the placement surface 110; the first standard block 300 has a first surface 340 away from the placement surface 110; a second standard block 400 is placed in the first receiving groove 120, and the second standard block 400 has a second surface 430 away from the placement surface 110; the dimensions of the first standard block 300 and the second standard block 400 are equal along the axial direction X of the elastic element 200; a measuring unit 500 is disposed on the side of the first standard block 300 away from the placement surface 110, and the measuring unit 500 is used to obtain a first dimension H1 and a second dimension H2 along the axial direction X; wherein, the difference between the first dimension H1 and the second dimension H2 is the deformation ΔH, that is, ΔH=H1-H2. Along the axial direction X, the first dimension H1 is the dimensional difference between the first surface 340 and the side of the elastic element 200 away from the placement surface 110, and the second dimension H2 is the dimensional difference between the second surface 430 and the first surface 340. Thus, by setting up first standard blocks 300 and second standard blocks 400 of equal height, this application converts the deformation of the elastic element 200 into a height dimension that is easy to measure, thereby improving the accuracy of measuring the deformation of the elastic element 200.

[0034] It is understood that this application is for measuring the deformation of the elastic element 200. Therefore, the elastic element 200 placed in the measuring device is an elastic element 200 that has already undergone deformation, rather than deforming the elastic element 200 after it has been placed in the measuring device. Furthermore, since the elastic element 200 is typically composed of an electromagnetic coil and a disc spring, and its shape is irregular, it is impossible to directly measure the deformation of the elastic element 200 using a single, universal measuring device. Therefore, in order to measure this deformation, the embodiments of this application place the elastic element 200 in the first receiving groove 120. The first receiving groove 120 is insufficient to accommodate the entire elastic element 200; that is, along the axial direction X, a portion of the elastic element 200 will extend beyond the first receiving groove 120, or in other words, a portion of the elastic element 200 will be above the placement surface 110. To this end, a first standard block 300 is provided on one side of the placement surface 110 of the base 100, so that the portion of the elastic element 200 extending beyond the first receiving groove 120 is assembled into the first standard block 300, thereby obtaining the dimensional difference between the first surface 340 and the side of the elastic element 200 away from the placement surface 110 along the axial direction X as the first dimension H1; then, a second standard block 400 is placed in the first receiving groove 120, and both the second standard block 400 and the elastic element 200 are in contact with the bottom surface of the first receiving groove 120, thereby obtaining the dimensional difference between the second surface 430 and the first surface 340 through the second standard block 400 as the second dimension H2. In this way, the first standard block 300 and the second standard block 400 have different starting zero positions. At the same time, since the height dimensions of the first standard block 300 and the second standard block 400 along the axial direction X are equal, the dimension of the portion of the elastic element 200 extending beyond the first receiving groove 120 is replaced. Therefore, the deformation of the elastic element 200 ΔH = H1 - H2.

[0035] In some embodiments, along the axial direction X, the depth of the first receiving groove 120 is a third dimension, and the height of the elastic element 200 is a fourth dimension, with the measuring device satisfying that the third dimension is less than the fourth dimension. Specifically, the third dimension is less than the fourth dimension, meaning that the height of the elastic element 200 exceeds the depth of the first receiving groove 120. This ensures that the portion of the elastic element 200 extending beyond the first receiving groove 120 can be fitted into the first standard block 300. Consequently, the dimensional difference between the first surface 340 and the side of the elastic element 200 away from the placement surface 110 can be obtained along the axial direction X as the first dimension H1, ensuring that subsequent measurement steps can be performed accurately.

[0036] In some embodiments, the first standard block 300 is provided with a second receiving groove 310, which communicates with the first receiving groove 120. The second receiving groove 310 is used to receive the portion of the elastic element 200 that protrudes from the first receiving groove 120. Specifically, by using the second receiving groove 310 to receive the protruding portion of the elastic element 200, the embodiments of this application can ensure that the elastic element 200 is correctly positioned and fixed during the assembly process before measuring the deformation, avoiding displacement or detachment of the elastic element and improving the accuracy of subsequent measurements.

[0037] In some embodiments, the first standard block 300 is a ring-shaped column structure, and the first standard block 300 has a first through hole 320 communicating with the first receiving groove 120. The first through hole 320 is used to accommodate the elastic element 200. Specifically, in this embodiment, by placing the elastic element 200 in the first through hole 320, the hole wall of the first through hole 320 supports the elastic element 200, preventing the elastic element 200 from tilting in the first through hole 320 and improving the accuracy of measuring the deformation of the elastic element 200.

[0038] In some embodiments, the first standard block 300 is provided with a first lead groove 330, which is used to accommodate the wire 210 of the elastic element 200. Specifically, by placing the wire 210 of the elastic element 200 in the first lead groove 330, a safe accommodating space is provided for the wire 210, thereby effectively protecting the wire 210 and preventing it from being pressed down during the measurement of the deformation of the elastic element 200, which would affect the accuracy of the measurement. This allows the measuring device of this application to be used with any housing-type structure. The lead groove prevents the wire from being pulled, bent, or damaged.

[0039] In some embodiments, the first standard block 300 is provided with a first lead groove 330, which communicates with the second receiving groove 310. Specifically, by communicating the first lead groove 330 with the second receiving groove 310, this application effectively manages the wires 210. The wires 210 can enter the first lead groove 330 from the second receiving groove 310, thereby making the layout of the wires 210 neater and more orderly, reducing the clutter and crossing of the wires 210, and improving the reliability and accuracy of the measuring device. At the same time, by communicating the first lead groove 330 with the second receiving groove 310, the available space within the first standard block 300 can be utilized more effectively, allowing the wires 210 to be arranged along the communicating channel, reducing additional space occupation, and making the assembly of the measuring device more compact and efficient.

[0040] In some embodiments, the first standard block 300 is provided with a first lead groove 330, which communicates with the first through hole 320. Similarly, by communicating the first lead groove 330 with the first through hole 320, the embodiments of this application effectively manage the wires 210. The wires 210 can enter the first lead groove 330 from the first through hole 320, thereby making the layout of the wires 210 more neat and orderly, reducing the mess and crossing of the wires 210, and improving the reliability and accuracy of the measuring device. At the same time, by communicating the first lead groove 330 with the first through hole 320, the available space within the first standard block 300 can be utilized more effectively, allowing the wires 210 to be arranged along the communicating channel, reducing additional space occupation, and making the assembly of the measuring device more compact and efficient. It is understood that the position of the first lead groove 330 can be set according to the shape of the elastic element 200 to realize that the first lead groove 330 communicates with the second receiving groove 310, or the first lead groove 330 communicates with the first through hole 320.

[0041] Please see Figure 4 , Figure 4 This is a schematic diagram of the structure of a second standard block in a device for measuring the deformation of an elastic element according to an embodiment of this application. In some embodiments, the second standard block 400 is a ring-shaped column structure, and the second standard block 400 has a second through hole 410 for accommodating the elastic element 200. Specifically, by placing the elastic element 200 in the second through hole 410, the hole wall of the second through hole 410 supports the elastic element 200, preventing the elastic element 200 from tilting in the second through hole 410, thereby protecting the elastic element 200 and improving the reliability of the assembly, and improving the accuracy of measuring the deformation of the elastic element 200. Furthermore, by placing the elastic element 200 in the second through hole 410, the available space of the measuring device can be utilized more effectively, reducing additional space occupation and making the assembly of the measuring device more compact and efficient.

[0042] In some embodiments, along the axial direction X, the height of the second standard block 400 is a fifth dimension, and the measuring device satisfies that the third dimension is smaller than the fifth dimension. Specifically, by ensuring that the depth of the first receiving groove 120 is less than the height of the second standard block 400, the dimensions of the first standard block 300 and the second standard block 400 can be matched and adapted, thereby ensuring that the first standard block 300 and the second standard block 400 replace the portion of the elastic element 200 that extends beyond the first receiving groove 120.

[0043] Please refer to it again. Figure 4In some embodiments, the second standard block 400 is provided with a second lead groove 420, which is used to accommodate the wires 210 of the elastic element 200. Specifically, by placing the wires 210 of the elastic element 200 in the second lead groove 420, a safe accommodating space is provided for the wires 210, thereby effectively protecting the wires 210 and preventing them from being pressed down during the measurement of the deformation of the elastic element 200, which would affect the accuracy of the measurement. This allows the measuring device of this application to be used with any housing-type structure. The lead groove prevents the wires from being pulled, bent, or damaged. It is understood that the second lead groove 420 can also communicate with the second through hole 410 to achieve effective management of the wires 210. The wires 210 can enter the second lead groove 420 from the second through hole 410, thereby making the layout of the wires 210 more neat and orderly, reducing the mess and crossing of the wires 210, improving the reliability and accuracy of the measuring device, and improving the internal space utilization of the measuring device.

[0044] Please refer to it again. Figure 1 In some embodiments, the measuring unit 500 includes an adapter 510, a push rod 520, and a measuring tool 530. The adapter 510 is disposed on the side of the first standard block 300 away from the base 100. The push rod 520 and the measuring tool 530 are assembled via the adapter 510. Specifically, the adapter 510 enables the adaptability of the push rod 520 and the measuring tool 530 to the first standard block 300. The adapter 510 ensures a stable connection between the push rod 520 and the measuring tool 530, reducing loosening and wobbling during assembly, thereby improving the stability and reliability of the measurement. Simultaneously, it adapts to first standard blocks 300 of different sizes and shapes to ensure alignment and stability between the push rod 520 and the measuring tool 530 and the first standard block 300, improving the accuracy of the measuring unit 500 and reducing measurement errors and uncertainties. Furthermore, the tappet 520 can move up and down along the axial direction X, increasing its degree of freedom in the axial direction X. This facilitates the zero-position adjustment of the measuring unit 500, enabling measurements of different heights and dimensions, and simplifying readings while reducing measurement frequency. It is understandable that the shape of the tappet 520 can also be based on variations in the shape of the elastic element 200 to adapt to measurements of different heights, thereby increasing the measurement range and reducing the cost of the measuring device.

[0045] Please refer to it again. Figure 1 In some embodiments, the measuring unit 500 further includes a return spring 540 disposed inside the push rod 520. Thus, the return spring 540 enables the push rod 520 to return to its initial position when subjected to external force or pressure, ensuring the accuracy and stability of the measuring unit 500.

[0046] In summary, the embodiments of this application provide a measuring device for measuring the deformation of an elastic element 200. The measuring device includes a base 100, a first standard block 300, a second standard block 400, and a measuring unit 500. The base 100 has a placement surface 110, and the placement surface 110 has a first receiving groove 120 for receiving the deformed elastic element 200; a first standard block 300 is placed on the placement surface 110; the first standard block 300 has a first surface 340 away from the placement surface 110; a second standard block 400 is placed in the first receiving groove 120, and the second standard block 400 has a second surface 430 away from the placement surface 110; the dimensions of the first standard block 300 and the second standard block 400 are equal along the axial direction X of the elastic element 200; a measuring unit 500 is disposed on the side of the first standard block 300 away from the placement surface 110, and the measuring unit 500 is used to obtain a first dimension H1 and a second dimension H2 along the axial direction X; wherein, the difference between the first dimension H1 and the second dimension H2 is the deformation ΔH, that is, ΔH=H1-H2. Along the axial direction X, the first dimension H1 is the dimensional difference between the first surface 340 and the side of the elastic element 200 away from the placement surface 110, and the second dimension H2 is the dimensional difference between the second surface 430 and the first surface 340. Thus, by setting up first standard blocks 300 and second standard blocks 400 of equal height, this application converts the deformation of the elastic element 200 into a height dimension that is easy to measure, thereby improving the accuracy of measuring the deformation of the elastic element 200.

[0047] The foregoing has provided a detailed description of a device for measuring the deformation of an elastic element according to the embodiments of this application. Specific examples have been used to illustrate the principles and implementation methods of this application. The description of the above embodiments is only for the purpose of helping to understand the technical solutions and core ideas of this application. Those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A device for measuring the deformation of an elastic element, characterized in that, The measuring device is used to measure the deformation of an elastic element (200), and includes: A base (100) having a placement surface (110) having a first receiving groove (120) for receiving the deformed elastic element (200); A first standard block (300) is placed on the placement surface (110); the first standard block (300) has a first surface (340) away from the placement surface (110); A second standard block (400) is placed in the first receiving groove (120); the second standard block (400) has a second surface (430) away from the placement surface (110); the first standard block (300) and the second standard block (400) are equal in size along the axial direction (X) of the elastic element (200); A measuring unit (500) is disposed on the side of the first standard block (300) away from the placement surface (110). The measuring unit (500) is used to obtain a first dimension and a second dimension along the axial direction (X). The difference between the first dimension and the second dimension is the deformation. Along the axial direction (X), the first dimension is the difference between the first surface (340) and the side of the elastic element (200) away from the placement surface (110), and the second dimension is the difference between the second surface (430) and the first surface (340).

2. The measuring device for the deformation of an elastic element as described in claim 1, characterized in that, Along the axial direction (X), the depth of the first receiving groove (120) is a third dimension, the height of the elastic element (200) is a fourth dimension, and the measuring device satisfies that the third dimension is less than the fourth dimension.

3. The measuring device for the deformation of an elastic element as described in claim 2, characterized in that, The first standard block (300) is provided with a second receiving groove (310), which is connected to the first receiving groove (120). The second receiving groove (310) is used to receive the portion of the elastic element (200) that protrudes from the first receiving groove (120).

4. The measuring device for the deformation of an elastic element as described in claim 1, characterized in that, The first standard block (300) is a ring-shaped column structure. The first standard block (300) has a first through hole (320) that communicates with the first receiving groove (120). The first through hole (320) is used to receive the elastic element (200).

5. The measuring device for the deformation of an elastic element as described in claim 1, characterized in that, The first standard block (300) is provided with a first lead groove (330), which is used to accommodate the wire (210) of the elastic element (200).

6. The measuring device for the deformation of an elastic element as described in claim 3, characterized in that, The first standard block (300) is provided with a first lead groove (330), which is connected to the second receiving groove (310).

7. The measuring device for the deformation of an elastic element as described in claim 4, characterized in that, The first standard block (300) is provided with a first lead groove (330), which is connected to the first through hole (320).

8. The measuring device for the deformation of an elastic element as described in claim 1, characterized in that, The second standard block (400) is a ring-shaped column structure. The second standard block (400) has a second through hole (410) for accommodating the elastic element (200).

9. The measuring device for the deformation of an elastic element as described in claim 2, characterized in that, Along the axial direction (X), the height of the second standard block (400) is the fifth dimension, and the measuring device satisfies that the third dimension is smaller than the fifth dimension.

10. The measuring device for the deformation of an elastic element as described in claim 1, characterized in that, The second standard block (400) is provided with a second lead groove (420), which is used to accommodate the wire (210) of the elastic element (200).

11. The measuring device for the deformation of an elastic element as described in claim 1, characterized in that, The measuring unit (500) includes: An adapter (510) is disposed on the side of the first standard block (300) away from the base (100); A tappet (520) and a measuring tool (530) are assembled via the adapter (510).

12. The measuring device for the deformation of an elastic element as described in claim 11, characterized in that, The measuring unit (500) further includes: A return spring (540) is disposed inside the push rod (520).

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