Wedge-shaped filler gauge

By introducing structures such as sliding grooves, support parts, and positioning pins into the wedge feeler gauge, combined with fastening screws and digital display components, the problems of high production costs and difficulty in zero-point position adjustment are solved, achieving low-cost and high-precision measurement.

CN224051193UActive Publication Date: 2026-03-27GUILIN TIANMU MEASUREMENT & CONTROL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-28
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing digital wedge gauges have high production costs and are difficult to adjust the zero point position, affecting production efficiency and measurement accuracy.

Method used

A wedge-shaped feeler gauge was designed, including a sliding groove, a support, a measuring rod, and a positioning pin. The position of the measuring rod is adjusted by fastening screws and U-shaped slot holes. Combined with a digital display component and a fixed grid, the zero point position can be quickly calibrated and fixed.

Benefits of technology

It simplifies the production process, reduces costs, improves measurement accuracy and testing efficiency, and ensures the stability and reliability of the zero point position.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a wedge-shaped feeler gauge which comprises a gauge frame and a wedge-shaped gauge body, a sliding groove and the movable wedge-shaped gauge body are arranged on the gauge frame along the length direction of the gauge frame, and a supporting part and a measuring rod parallel to the supporting part are arranged at one end of the gauge frame. The measuring rod is parallel to the moving direction of the wedge-shaped ruler body and is provided with a horizontal base plane parallel to the ruler body and a vertical base plane perpendicular to the horizontal base plane. The two ends of the wedge-shaped ruler body extend out of the two ends of the ruler frame, a wedge-shaped measuring face is arranged at the end, close to the measuring rod, of the wedge-shaped ruler body, and a positioning pin fixed to the wedge-shaped ruler body is arranged between the wedge-shaped measuring face and the ruler frame. The end face, away from the wedge-shaped ruler body, of the supporting part is provided with a U-shaped groove hole and a fastening screw connected with the measuring rod, and the fastening screw can move in the length direction of the U-shaped groove hole within the limiting range of the U-shaped groove hole. The end face of the measuring rod is provided with a fixing pin for fixing the measuring rod and the supporting part. The zero calibration device is simple in structure, convenient in zero calibration, stable and reliable in precision, and capable of effectively improving the assembly efficiency and reducing the production cost.
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Description

TECHNICAL FIELD

[0001] The utility model relates to measuring tool technical field, specifically, particularly relates to a wedge plug gauge. BACKGROUND

[0002] Digital wedge plug gauge is a kind of precision tool for measuring gap or gap width, combined with the mechanical structure of traditional wedge plug gauge and digital display technology, to improve reading accuracy and convenience.Wedge plug gauge is measured with the slope consistent inclined plane as measuring surface, this measuring surface is precisely machined to ensure that height and length are linearly proportional, and gap size is measured by insertion depth.

[0003] The digital wedge plug gauge commonly seen in the prior art needs to be provided with an elongated measuring rod integrated with the frame at one end of the frame, due to the size and structure limitations, the production cost is higher.At the same time, the wedge plug gauge is measured with the slope consistent inclined plane as measuring surface, the zero position is at the intersection of horizontal base surface, vertical base surface and measuring surface, the end of measuring surface is often very sharp, easy to wear and deform, and the zero position is not easy to determine, which needs to be adjusted and determined by calibration.The zero position adjustment and determination of the wedge plug gauge in the prior art is realized by setting a fixed positioning surface, the zero position adjustment is difficult, and there is great difficulty in machining and assembly, which seriously affects product production efficiency and cost control. SUMMARY

[0004] The utility model aims at at least one of the above technical problems in prior art to some extent. To this end, one purpose of the utility model is to provide a wedge plug gauge with simple structure, easy processing, convenient zero calibration and reliable precision.

[0005] The technical scheme for solving the above technical problems of the utility model is as follows:

[0006] The wedge plug gauge is characterized by comprising frame and wedge ruler body, the frame is provided with sliding groove along the length direction, the sliding groove is provided with wedge ruler body that can move along the length direction of the frame and extend out of both ends of the frame, one end of the frame is provided with support part and measuring rod parallel to the support part, the measuring rod is parallel to the moving direction of the wedge ruler body, the measuring rod is provided with horizontal base surface parallel to the ruler body and vertical base surface perpendicular to the horizontal base surface, one end of the wedge ruler body close to the measuring rod is provided with wedge surface, and positioning pin fixed with the wedge ruler body is arranged between the wedge surface and the frame.

[0007] The wedge plug gauge has the beneficial effects that: the wedge plug gauge takes the wedge-shaped measuring surface with consistent slope as the measuring surface, the measuring surface is precisely processed to ensure that the height and the length are in linear proportional relationship, and the gap size is measured by the insertion depth; the zero point of the wedge plug gauge is located at the intersection of the horizontal base surface, the vertical base surface and the wedge-shaped measuring surface, and the positioning pin fixed with the ruler body can limit the moving range of the ruler body, and ensure that the intersection of the horizontal base surface, the vertical base surface and the wedge-shaped measuring surface coincides with the zero point when the ruler body returns to the original position each time.

[0008] Based on the above technical solutions, the utility model further can make improvement as follows:

[0009] At least one U-shaped groove hole and at least one fastening screw connecting the measuring rod are arranged on the plane of the support part away from the wedge-shaped ruler body, and the fastening screw can move along the length direction of the U-shaped groove hole within the limited range of the U-shaped groove hole.

[0010] The beneficial effects of the above improvement scheme are that: the measuring rod is installed on the support part of the ruler frame through the fastening screw and the U-shaped groove hole, the position of the measuring rod can be adjusted within the limited range of the U-shaped groove hole, and the adjustment of the zero point position of the wedge plug gauge is realized.

[0011] Further, the fastening screw locks and fixes the measuring rod and the support part through the U-shaped groove hole.

[0012] The beneficial effects of the above further scheme are that: the measuring rod and the support part are preliminarily locked and fixed through the fastening screw, and the correct zero point position is ensured.

[0013] Further, at least one fixing pin for reinforcing the measuring rod and the support part is arranged on the end surface of the measuring rod close to the support part.

[0014] The beneficial effects of the above further scheme are that: the measuring rod with the adjusted position and the support part are further reinforced through the fixing pin, the stable and reliable zero point position is ensured, and the measurement accuracy is ensured.

[0015] Further, a fixed grid is fixedly arranged on the end surface of the wedge-shaped ruler body away from the wedge-shaped measuring surface, a digital display assembly is arranged on the end surface of the ruler frame through thread connection, the digital display assembly is located at the upper end of the fixed grid and can move along with the ruler frame at the upper end of the fixed grid, and a locking screw for locking the wedge-shaped ruler body is arranged on one side wall of the ruler frame.

[0016] The beneficial effects of the above further scheme are that: the linear displacement data of the wedge-shaped ruler body can be quickly obtained by using the relative displacement of the movement of the digital display assembly and the fixed grid, the actual gap size is converted according to a certain linear proportion through the insertion depth, the measurement value is directly displayed, the wedge-shaped ruler body after completing the measurement can be locked and fixed through the locking screw, the operation is convenient, the measurement is accurate, and the detection efficiency is effectively improved. Attached Figure Description

[0017] Figure 1 This is a bottom view of a wedge-shaped feeler gauge according to the present invention;

[0018] Figure 2 This is a front view of a wedge-shaped feeler gauge according to the present invention;

[0019] Figure 3 This is a rear view of a wedge-shaped feeler gauge according to the present invention;

[0020] Figure 4 This utility model Figure 3 Enlarged view of a portion at point A;

[0021] Figure 5 This is a front view of a wedge feeler gauge of the present invention without the digital display component;

[0022] Figure 6 This is an isometric drawing of a wedge-shaped feeler gauge according to this utility model;

[0023] Figure 7 This is an isometric view of a wedge-shaped feeler gauge frame according to the present invention.

[0024] The attached diagram lists the components represented by each number as follows:

[0025] 1. Ruler frame; 101. Sliding groove; 102. Support part; 103. U-shaped groove hole;

[0026] 2. Wedge-shaped ruler body; 201. Wedge-shaped measuring surface;

[0027] 3. Measuring rod, 301. Horizontal datum, 302. Vertical datum;

[0028] 4. Locating pin; 5. Fixing pin; 6. Fastening screw;

[0029] 7. Fixed grid, 8. Digital display assembly, 9. Locking screw. Detailed Implementation

[0030] The principles and features of this utility model are described below with reference to the accompanying drawings. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model.

[0031] like Figures 1 to 7As shown, a wedge-shaped plug ruler includes a ruler frame 1 and a wedge-shaped ruler body 2, the ruler frame 1 is provided with a sliding groove 101 along the length direction of the ruler frame 1, the sliding groove 101 is provided with the wedge-shaped ruler body 2 which can move along the length direction of the ruler frame 1 and extend out of both ends of the ruler frame 1; one end of the ruler frame 1 is provided with a support part 102 and a measuring rod 3 which is parallel to the support part 102, the measuring rod 3 is parallel to the moving direction of the wedge-shaped ruler body 2, the measuring rod 3 is provided with a horizontal base surface 301 which is parallel to the ruler body 2 and a vertical base surface 302 which is perpendicular to the horizontal base surface 301; one end of the wedge-shaped ruler body 2 close to the measuring rod 3 is provided with a wedge-shaped measuring surface 201 with a slope of 1:10, and a positioning pin 4 which is fixed with the wedge-shaped ruler body 2 is arranged between the wedge-shaped measuring surface 201 and the ruler frame 1.

[0032] In the above embodiment, two U-shaped groove holes 103 and two fastening screws 6 which connect the measuring rod 3 are arranged on the plane of the support part 102 away from the wedge-shaped ruler body 2, and the fastening screws 6 can move along the length direction of the U-shaped groove hole 103 within the limit range of the U-shaped groove hole 103.

[0033] In the above embodiment, the fastening screws 6 pass through the U-shaped groove hole 103 to lock and fix the measuring rod 3 and the support part 102. The end surface of the measuring rod 3 close to the support part 102 is provided with two fixing pins 5 which reinforce the measuring rod 3 and the support part 102.

[0034] In the above embodiment, the end surface of the wedge-shaped ruler body 2 away from the wedge-shaped measuring surface 201 is fixedly provided with a fixed grid 7, the end surface of the ruler frame 1 is provided with a digital display assembly 8 which is connected through threads, the digital display assembly 8 is at the upper end of the fixed grid 7 and can move along with the ruler frame 1 at the upper end of the fixed grid 7, and one side wall of the ruler frame 1 is provided with a locking screw 9 which can lock the wedge-shaped ruler body 2.

[0035] In the above embodiment, the wedge-shaped plug ruler takes the wedge-shaped measuring surface with a slope of 1:10 as the measuring surface, the measuring surface is precisely processed to ensure the proportional relationship between the height and the length, and the gap size is measured by the insertion depth. The zero point position of the wedge-shaped plug ruler is at the intersection of the horizontal base surface, the vertical base surface and the wedge-shaped measuring surface, and the positioning pin which is fixed with the ruler body can limit the moving range of the ruler body to ensure that the intersection of the horizontal base surface, the vertical base surface and the wedge-shaped measuring surface coincides with the zero point when the ruler body returns to the original position each time.

[0036] The measuring rod is preliminarily fixed on the support part of the ruler frame through the fastening screw and the U-shaped groove hole, the position of the measuring rod can be adjusted within the limit range of the U-shaped groove hole to realize the adjustment of the zero point position of the wedge-shaped plug ruler. Then the measuring rod and the support part are locked and fixed through the fastening screw to ensure the correct zero point position. Finally, the measuring rod and the support part are reinforced through the fixing pin to ensure the stable and reliable zero point position and guarantee the measurement accuracy.

[0037] By using the relative displacement of the digital display assembly and the fixed grid movement, the linear displacement data of the wedge-shaped ruler body can be quickly obtained, the actual size of the gap is converted by a certain linear proportion according to the insertion depth, and the measurement value is directly displayed; the locking screw can lock and fix the completed measurement wedge-shaped ruler body, which is convenient to operate, accurate in measurement and effective in improving the detection efficiency.

[0038] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A wedge plug gauge characterized by: The utility model relates to a kind of rulers, including ruler frame (1) and wedge-shaped ruler body (2), the sliding groove (101) is provided in the length direction of the ruler frame (1), the wedge-shaped ruler body (2) being arranged in the sliding groove (101) and being movable along the length direction of the ruler frame (1) and extending out both ends of the ruler frame (1);The ruler frame (1) is provided with support part (102) and measuring rod (3) parallel to the support part (102) in one end, the measuring rod (3) is parallel to the moving direction of the wedge-shaped ruler body (2), the measuring rod (3) is provided with horizontal base surface (301) parallel to the ruler body (2) and vertical base surface (302) perpendicular to the horizontal base surface (301);The wedge-shaped ruler body (2) is provided with wedge-shaped amount surface (201) in one end close to the measuring rod (3), and positioning pin (4) is arranged between the wedge-shaped amount surface (201) and the ruler frame (1) and is fixed with the wedge-shaped ruler body (2).

2. The wedge gage according to claim 1, characterized in that: The plane of the support part (102) is provided with at least one U-shaped slot hole (103) and at least one fastening screw (6) connected to the measuring rod (3) away from the wedge-shaped ruler body (2), and the fastening screw (6) can be moved along the length direction of the U-shaped slot hole (103) within the limit range of the U-shaped slot hole (103).

3. The wedge gage according to claim 2, wherein: The fastening screw (6) passes through the U-shaped slot hole (103) to lock the measuring rod (3) and the support part (102).

4. A wedge-shaped gage according to claim 1 or claim 2, characterized in that: The end surface of the measuring rod (3) close to the support part (102) is provided with at least one fixing pin (5) for reinforcing the measuring rod (3) and the support part (102).

5. The wedge gage of claim 1, wherein: The end surface of the wedge-shaped ruler body (2) away from the wedge-shaped amount surface (201) is fixedly provided with fixed grid (7), the end surface of the ruler frame (1) is provided with digital display assembly (8) connected by screw thread, the digital display assembly (8) is at the upper end of the fixed grid (7), and can move along with the ruler frame (1) at the upper end of the fixed grid (7), and the side wall of the ruler frame (1) is provided with locking screw (9) that can lock the wedge-shaped ruler body (2).