Device for positioning exposed length of thread

Abstract

The utility model belongs to the technical field of clutches, and relates to a device for positioning the exposed length of a thread. Comprising a positioning ruler, an adjusting part, an elastic unit and a clamping sleeve. The positioning ruler is used as a reference and measuring tool and provides clear scales or marks, so that the exposed length of the thread can be visually seen, and the accuracy and reliability of measurement are ensured. The clamping sleeve is slidably connected with the positioning ruler through the adjusting part, so that the clamping sleeve can move along the positioning ruler. And when the elastic unit is loosened, the positioning ruler and the adjusting part can slide relatively. The position of the clamping sleeve on the positioning ruler is adjusted to a set position, the elastic unit is fastened to enable the positioning ruler and the adjusting part to be fixedly connected, the end of the positioning ruler is tightly attached to the set position of the surface of the clutch shell, and the separation supporting column is assembled till the end of the threaded part of the separation supporting column is tightly attached to the clamping sleeve. According to the utility model, accurate measurement of the exposed length of the separation pillar can be realized, and detection efficiency can be improved.

Description

Technical Field

[0001] This utility model belongs to the field of clutch technology and relates to a device for positioning the exposed length of threads. Background Technology

[0002] In the precision assembly of an automotive clutch, the accurate positioning of the release fork is crucial. Specifically, the automotive clutch release fork is fixed to the release strut by a release plate and hexagonal head bolts, ensuring the stability of clutch operation. During assembly, the initial position of the release fork is determined by the length of the threaded portion of the release strut exposed outside the housing; therefore, the release strut needs to be precisely installed in the predetermined position on the clutch housing.

[0003] Traditional assembly methods rely on using a steel ruler to measure the exposed length of the release strut, which serves as the primary basis for determining the initial position of the release fork. However, this manual measurement method has significant drawbacks in mass production. On the one hand, human factors, such as visual fatigue or improper operation, can easily lead to reading errors, resulting in incorrect installation of the release strut. This not only affects clutch performance but may also pose safety hazards. On the other hand, the need for repeated measurements and adjustments undoubtedly reduces production efficiency and increases production costs.

[0004] In summary, the traditional method of manually measuring the exposed length of the release strut with a steel ruler to set the initial position of the release fork during clutch assembly is prone to errors and inefficient. Utility Model Content

[0005] The purpose of this invention is to provide a device for positioning the exposed length of the thread, so as to solve the technical problem that the traditional method of manually measuring the exposed length of the separation support and setting the initial position of the separation fork using a steel ruler is prone to errors and inefficient. This invention can achieve accurate measurement of the exposed length of the separation support, which is beneficial to improving the detection efficiency.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] This utility model discloses a device for positioning the exposed length of a thread, comprising:

[0008] Positioning ruler;

[0009] A retainer is provided with a limiting hole, the diameter of which is smaller than the diameter of the separating support column but larger than the diameter of the end of the separating support column. The retainer is slidably connected to the positioning ruler through an adjustment part.

[0010] A tensioning unit is provided on the adjusting part, and the tensioning unit is used to realize the fixed connection or relative sliding between the positioning ruler and the adjusting part.

[0011] Furthermore, each of the positioning rulers is provided with a scale, which is used to display the distance from the ferrule to the clutch housing.

[0012] Furthermore, the positioning ruler is a strip-shaped straight ruler.

[0013] Furthermore, the positioning ruler is provided with a clutch housing contact surface.

[0014] Furthermore, the contact surface of the clutch housing is a plane.

[0015] Furthermore, the positioning ruler has functional holes.

[0016] Furthermore, the adjusting part is provided with a sliding groove, and the positioning ruler is movably embedded in the sliding groove.

[0017] Furthermore, the tensioning unit includes:

[0018] A bolt hole is provided on the adjusting part, and the bolt hole communicates with the sliding groove;

[0019] A fixing bolt is inserted into the bolt hole. When the fixing bolt is tightened, the relative position of the positioning ruler and the adjustment part is locked when the fixing bolt contacts and presses against the positioning ruler. If the fixing bolt is loosened, the positioning ruler can slide freely on the adjustment part.

[0020] Furthermore, the sleeve has a limiting hole, which is a circular through hole.

[0021] Furthermore, the adjustment part includes a scale reading surface, and the card sleeve includes a limiting surface, wherein the scale reading surface and the limiting surface are coplanar.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. This utility model includes: a positioning ruler, an adjusting part, a tightening unit, and a clamping sleeve. The positioning ruler, serving as a reference and measuring tool, provides clear scales or markings, facilitating a direct visual observation of the exposed thread length and ensuring measurement accuracy and reliability. The clamping sleeve is slidably connected to the positioning ruler via the adjusting part, allowing the clamping sleeve to move along the positioning ruler. The clamping sleeve has a limiting hole; the diameter of the limiting hole is smaller than the diameter of the release strut but larger than the diameter of the release strut end. After the positioning ruler is positioned by contacting the clutch housing at one end, it is then positioned by the clamping sleeve at the end of the release strut, achieving precise detection of the exposed length of the release strut. When the tightening unit is loosened, the positioning ruler and the adjusting part can slide relative to each other. Adjusting the position of the clamping sleeve on the positioning ruler to the set position, tightening the tightening unit to fix the positioning ruler and the adjusting part, and then aligning the end of the positioning ruler tightly against the surface of the clutch housing at the set position, allows the release strut to be assembled until the threaded end of the release strut is tightly against the clamping sleeve. For different clutch models, adjusting the relative position of the positioning ruler and the clamping sleeve using the tightening unit in conjunction with the adjusting part is sufficient for testing. For clutches of the same model, batch measurement can be achieved by adjusting the relative position of the positioning ruler and the ferrule once. The measurement standard is uniform, which reduces the risk of errors and effectively improves the testing efficiency.

[0024] 2. The ferrule of this utility model has a limiting hole, the diameter of which is smaller than the diameter of the exposed end of the separating support. The limiting hole facilitates the precise positioning of the separating support by the ferrule, enabling accurate measurement of the exposed length of the separating support.

[0025] 3. The contact surface of the clutch housing in this utility model is a surface that conforms to the surface of the clutch housing at the set position, which helps to improve the accuracy of the device measurement. Attached Figure Description

[0026] Figure 1 This is a state diagram showing the precision assembly process of an automotive clutch.

[0027] Figure 2 This is a schematic diagram of the overall structure of this utility model;

[0028] Figure 3 This is a schematic diagram illustrating the application scenario of this utility model.

[0029] The components are: 1. Release fork; 2. Release plate; 3. Hex head bolt; 4. Clutch housing; 5. Release support; 6. Positioning ruler; 7. Adjustment part; 8. Tightening unit; 9. Sleeve; 10. Clutch housing contact surface; 11. Functional hole; 12. Limiting hole; 13. End of release support; 14. Scale reading surface; 15. Limiting surface. Detailed Implementation

[0030] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention 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 invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0031] It should be noted that the terms "first," "second," etc., in the specification and accompanying drawings of this utility model are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this utility model described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0032] The present invention will now be described in further detail with reference to the accompanying drawings:

[0033] See Figure 2 This utility model discloses a device for positioning the exposed length of a thread, comprising: a positioning ruler 6, an adjustment part 7, a tightening unit 8, and a retainer 9.

[0034] The positioning ruler 6 serves as a reference and measuring tool, providing clear scales or markings that allow for a direct visual view of the exposed thread length, ensuring the accuracy and reliability of the measurement.

[0035] The ferrule 9 has a limiting hole 12. The diameter of the limiting hole 12 is smaller than the diameter of the separating support 5 but larger than the diameter of the end 13 of the separating support. During testing, the end 13 of the separating support passes through the limiting hole 12. Since the diameter of the separating support 5 is larger than the diameter of the limiting hole 12, the separating support 5 cannot pass through the limiting hole 12, thus achieving positioning of the end of the separating support 5. The ferrule 9 is slidably connected to the positioning ruler 6 through the adjusting part 7, allowing the ferrule 9 to move along the positioning ruler 6. After the positioning ruler 6 is positioned by contacting the clutch housing 4 at one end, the positioning ruler 6 then positions the end of the separating support 5 through the ferrule 9, achieving accurate detection of the exposed length of the support 5.

[0036] The tensioning unit 8 is disposed on the adjusting part 7, and the tensioning unit 8 is used to achieve a fixed connection or relative sliding between the positioning ruler 6 and the adjusting part 7. When the tensioning unit 8 is loosened, the positioning ruler 6 and the adjusting part 7 can slide relative to each other. Adjust the position of the retaining sleeve 9 on the positioning ruler 6 to the set position, tighten the tensioning unit 8 to fix the positioning ruler 6 and the adjusting part 7, and assemble the release support 5 so that the threaded end of the release support 5 is tightly against the retaining sleeve 9. See [reference needed]. Figure 3 This is a schematic diagram illustrating the usage scenario of this utility model.

[0037] For clutches of the same model, batch measurement can be achieved by adjusting the relative position of the positioning ruler 6 and the ferrule 9 only once. This ensures a uniform measurement standard, reduces the likelihood of errors, and effectively improves testing efficiency. For clutches of different models, the relative position of the positioning ruler 6 and the ferrule 9 can be adjusted using the tensioning unit 8 in conjunction with the adjusting part 7 for testing purposes.

[0038] Example 1:

[0039] See Figure 1 This diagram illustrates the precision assembly process of an automotive clutch. The clutch release fork 1 is fixed to the release strut 5 via the release plate 2 and hexagonal head bolts 3. During assembly, the release strut 5 needs to be precisely installed in a predetermined position on the clutch housing, and its exposed length is often fixed. Traditionally, manually measuring the exposed length of the release strut 5 using a steel ruler is prone to errors and inefficient. To address this issue, a device for locating the exposed length of the threads is proposed.

[0040] See Figure 2 , one A device for positioning the exposed length of a thread includes: a positioning ruler 6, an adjusting part 7, a tightening unit 8, and a retaining sleeve 9;

[0041] In this embodiment, the positioning ruler 6 is provided with a scale, which is used to display the distance from the ferrule 9 to the clutch housing 4.

[0042] In this embodiment, the positioning ruler 6 is a strip ruler, and an existing steel ruler can be used as the positioning ruler 6 of this utility model, which saves the production cost of the device.

[0043] In this embodiment, the positioning ruler 6 is provided with a functional hole 11. After the measurement is completed, the positioning ruler 6 can be separated from the adjustment part 7. At this time, the positioning ruler 6 can be fixedly stored by passing the wire harness through the functional hole 11.

[0044] In this embodiment, the positioning ruler 6 is provided with a clutch housing contact surface 10.

[0045] In this embodiment, the contact surface 10 of the clutch housing is a plane.

[0046] See Figure 2 The ferrule 9 is slidably connected to the positioning ruler 6 via the adjusting part 7;

[0047] In this embodiment, the limiting hole 12 is a circular through hole.

[0048] When assembling the separation support 5, the end 13 of the separation support 5 is inserted into the limiting hole 12, and the threaded end of the separation support 5 is tightly attached to the limiting hole 12. The setting of the limiting hole 12 facilitates the accurate positioning of the separation support 5 by the ferrule 9, and realizes the accurate measurement of the exposed length of the separation support 5.

[0049] In this embodiment, the adjusting part 7 is provided with a sliding groove, and the positioning ruler 6 is movably embedded in the sliding groove.

[0050] In this embodiment, the scale reading surface 13 is used to read the scale on the positioning ruler 6. The retaining sleeve 9 includes a limiting surface 15. When the end 13 of the separating support column passes through the limiting hole 12, the end of the separating support column 5 cannot pass through the limiting hole 12, and thus the end of the separating support column 5 eventually contacts the limiting surface 15. The scale reading surface 13 and the limiting surface 15 are coplanar, which facilitates the accurate measurement of the exposed length of the separating support column 5.

[0051] See Figure 2 The tensioning unit 8 is disposed on the adjusting part 7, and the tensioning unit 8 is used to realize the fixed connection or relative sliding between the positioning ruler 6 and the adjusting part 7.

[0052] In this embodiment, the tensioning unit 8 includes a fixing bolt and a bolt hole formed on the adjusting part 7, the bolt hole communicating with the sliding groove;

[0053] The fixing bolt passes through the bolt hole. When the fixing bolt is tightened, and the fixing bolt contacts and presses against the positioning ruler 6, the relative position of the positioning ruler 6 and the adjusting part 7 is locked. If the fixing bolt is loosened, the positioning ruler 6 can slide freely on the adjusting part 7. The device is simple to operate and practical and reliable.

[0054] Example 2:

[0055] See Figure 2 , one A device for positioning the exposed length of a thread includes: a positioning ruler 6, an adjusting part 7, a tightening unit 8, and a retaining sleeve 9;

[0056] In this embodiment, the positioning ruler 6 is provided with a scale, which is used to display the distance from the ferrule 9 to the clutch housing 4.

[0057] In this embodiment, the positioning ruler 6 is a strip ruler, and an existing steel ruler can be used as the positioning ruler 6 of this utility model, which saves the production cost of the device.

[0058] In this embodiment, the positioning ruler 6 is provided with a functional hole 11. After the measurement is completed, the positioning ruler 6 can be separated from the adjustment part 7. At this time, the positioning ruler 6 can be fixedly stored by passing the wire harness through the functional hole 11.

[0059] In this embodiment, the positioning ruler 6 is provided with a clutch housing contact surface 10.

[0060] In this embodiment, the contact surface 10 of the clutch housing is a surface that conforms to the set position of the clutch housing 4, which helps to improve the accuracy of the device measurement.

[0061] See Figure 2 The ferrule 9 is slidably connected to the positioning ruler 6 via the adjusting part 7;

[0062] In this embodiment, a limiting hole 12 is provided on the sleeve 9, and the diameter of the limiting hole is smaller than the diameter of the exposed end of the separation support 5.

[0063] When assembling the separation support 5, simply ensure that the threaded end of the separation support 5 is tightly against the limiting hole 12. The limiting hole 12 facilitates the precise positioning of the separation support 5 by the ferrule 9, enabling accurate measurement of the exposed length of the separation support 5.

[0064] In this embodiment, the adjusting part 7 is provided with a sliding groove, and the positioning ruler 6 is movably embedded in the sliding groove.

[0065] In this embodiment, the end face of the adjusting part 7 near the clutch housing 4 is coplanar with the end face of the ferrule 9 near the clutch housing 4.

[0066] See Figure 2 The tensioning unit 8 is disposed on the adjusting part 7, and the tensioning unit 8 is used to realize the fixed connection or relative sliding between the positioning ruler 6 and the adjusting part 7.

[0067] In this embodiment, the tensioning unit 8 includes a fixing bolt and a bolt hole formed on the adjusting part 7, the bolt hole communicating with the sliding groove;

[0068] The fixing bolt passes through the bolt hole. When the fixing bolt is tightened, and the fixing bolt contacts and presses against the positioning ruler 6, the relative position of the positioning ruler 6 and the adjusting part 7 is locked. If the fixing bolt is loosened, the positioning ruler 6 can slide freely on the adjusting part 7. The device is simple to operate and practical and reliable.

[0069] Based on the above structure, this utility model discloses a method for using a device for positioning the exposed length of a thread, see [link to relevant documentation]. Figure 3 This is a schematic diagram illustrating a usage scenario of the present invention, which includes the following steps:

[0070] According to the specific requirements of each batch of products, adjust the position of the ferrule 9 on the positioning ruler 6 to the required distance, and tighten the fixing bolts;

[0071] Place the right side of the strip ruler firmly against the outer surface of the clutch housing 4;

[0072] Assemble the separation support 5 to the end of the threaded portion, tightly against the sleeve 9;

[0073] For different models of clutches, the relative positions of the positioning ruler 6 and the ferrule 9 are readjusted by the tensioning unit 8 in conjunction with the adjustment part 7.

[0074] In summary, compared with the prior art, the beneficial effects of this utility model are as follows:

[0075] This utility model includes: a positioning ruler, an adjusting part, a tightening unit, and a clamping sleeve. The positioning ruler, serving as a reference and measuring tool, provides clear scales or markings, facilitating a direct visual observation of the exposed thread length and ensuring measurement accuracy and reliability. The clamping sleeve is slidably connected to the positioning ruler via the adjusting part, allowing the sleeve to move along the positioning ruler. When the tightening unit is loosened, the positioning ruler and the adjusting part can slide relative to each other. The clamping sleeve is adjusted to a set position on the positioning ruler, the tightening unit is tightened to fix the connection between the positioning ruler and the adjusting part, and the end of the positioning ruler is pressed against the surface of the clutch housing at the set position. The release strut is then assembled until the threaded end of the release strut is pressed against the clamping sleeve. For different clutch models, the relative position of the positioning ruler and the clamping sleeve can be adjusted using the tightening unit and the adjusting part for testing. For clutches of the same model, batch measurements can be achieved with only one adjustment of the relative position of the positioning ruler and the clamping sleeve, ensuring standardized measurement, reducing errors, and effectively improving testing efficiency.

[0076] 2. The ferrule of this utility model has a limiting hole, the diameter of which is smaller than the diameter of the exposed end of the separating support. The limiting hole facilitates the precise positioning of the separating support by the ferrule, enabling accurate measurement of the exposed length of the separating support.

[0077] 3. The contact surface of the clutch housing in this utility model is a surface that conforms to the surface of the clutch housing at the set position, which helps to improve the accuracy of the device measurement.

[0078] The above content is only for illustrating the technical concept of this utility model and should not be construed as limiting the scope of protection of this utility model. Any modifications made to the technical solution based on the technical concept proposed in this utility model shall fall within the scope of protection of this utility model.

Claims

1. A device for positioning the exposed length of a thread, characterized in that, include: Positioning ruler (6); The sleeve (9) has a limiting hole (12) on it. The diameter of the limiting hole (12) is smaller than the diameter of the separation support (5) and larger than the diameter of the end (13) of the separation support. The sleeve (9) is slidably connected to the positioning ruler (6) through the adjustment part (7). The tensioning unit (8) is provided on the adjusting part (7) and is used to realize the fixed connection or relative sliding between the positioning ruler (6) and the adjusting part (7).

2. The device for positioning the exposed length of a thread according to claim 1, characterized in that, The positioning ruler (6) is provided with a scale, which is used to display the distance from the ferrule (9) to the clutch housing (4).

3. The device for positioning the exposed length of a thread according to claim 1, characterized in that, The positioning ruler (6) is a strip-shaped straight ruler.

4. The device for positioning the exposed length of a thread according to claim 1, characterized in that, The positioning ruler (6) is provided with a clutch housing contact surface (10).

5. The device for positioning the exposed length of a thread according to claim 4, characterized in that, The contact surface (10) of the clutch housing is a plane.

6. The device for positioning the exposed length of a thread according to claim 1, characterized in that, The positioning ruler (6) has a functional hole (11).

7. The device for positioning the exposed length of a thread according to claim 1, characterized in that, The adjustment part (7) is provided with a sliding groove, and the positioning ruler (6) is movably embedded in the sliding groove.

8. The device for positioning the exposed length of a thread according to claim 7, characterized in that, The tensioning unit (8) includes: A bolt hole is provided on the adjusting part (7), and the bolt hole communicates with the sliding groove; A fixing bolt is inserted into the bolt hole. When the fixing bolt is tightened, the relative position of the positioning ruler (6) and the adjustment part (7) is locked when the fixing bolt contacts and presses against the positioning ruler (6). If the fixing bolt is loosened, the positioning ruler (6) can slide freely on the adjustment part (7).

9. The device for positioning the exposed length of a thread according to claim 1, characterized in that, The limiting hole (12) is a circular through hole.

10. The device for positioning the exposed length of a thread according to claim 1, characterized in that, The adjustment part (7) includes a scale reading surface (14), and the sleeve (9) includes a limiting surface (15). The scale reading surface (14) and the limiting surface (15) are coplanar.

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