A plunger transverse hole distance rapid measurement gauge

Abstract

The utility model relates to a plunger transverse hole distance quick measurement gauge, including the quantity concrete, sets up the guide hole, the slide column is set in the guide hole, the measuring pin is connected the slide column, the measurement subassembly is set up on the quantity concrete, the measurement subassembly sets up on the axis of the guide hole, wherein, the quantity concrete still sets up the sliding slot, the measuring pin is along the sliding slot and is connected the workpiece along the guide hole sliding the slide column, the slide column extrudes the measurement subassembly, the measuring pin drives the workpiece, perpendicular to the movement direction of the workpiece, the maximum outer diameter of the workpiece and the outer diameter of the quantity concrete coincide. The utility model discloses a quantity concrete and measuring pin mechanical limit plunger, avoid the error caused by the operator's skill. And the measuring method, determine the mark distance in advance through the sample, when detecting subsequently, can be the position precision of the transverse hole fast judgment according to the deviation value of measurement subassembly, and the measuring speed is fast, and the batch production is adapted.

Description

Technical Field

[0001] This utility model relates to the field of plunger manufacturing technology, and in particular to a rapid measuring tool for the distance between the transverse holes of a plunger. Background Technology

[0002] Some plunger models have a transverse hole perpendicular to their own axis, which can be used as a mounting hole, to balance the pressure at both ends, or to allow the flow of media such as lubricating oil and hydraulic oil.

[0003] To ensure the proper functioning of the transverse hole after assembly, its machining position accuracy must be guaranteed. The flat section is a crucial positioning reference during plunger assembly; the machining position accuracy of the transverse hole can be determined by the distance between it and the flat section. Conventional gauges, such as calipers, require manual adjustment by the operator, resulting in significant measurement errors. Furthermore, calipers are slow, requiring adjustments for position and readings, making them unsuitable for mass production.

[0004] It should be noted that the information disclosed in the background section above is only used to enhance the understanding of the background of this disclosure, and therefore may include information that does not constitute prior art known to those skilled in the art. Utility Model Content

[0005] In view of the shortcomings of the prior art, the purpose of this utility model is to provide a rapid measuring tool for the distance of the plunger transverse hole, so as to quickly detect the positional accuracy of the plunger transverse hole.

[0006] The technical solution of this utility model is as follows: The rapid measurement fixture for the distance between the plunger transverse bores includes: Measure the specific dimensions and create guide holes; A sliding column is disposed within the guide hole; Measuring pin, connected to the sliding column; A measuring component is disposed on the measuring body; the measuring component is disposed on the axis of the guide hole; The measuring device is further provided with a sliding groove; the measuring pin extends out of the guide hole along the sliding groove and connects to the workpiece; the sliding column slides along the guide hole, and the sliding column presses the measuring component; the measuring pin moves the workpiece; perpendicular to the moving direction of the workpiece, the maximum outer diameter of the workpiece coincides with the outer diameter of the measuring device.

[0007] Along the axial direction of the guide hole, the outer diameter of the slide rod changes to form a first step, and the inner diameter of the guide hole changes to form a second step; the first step and the second step are arranged facing each other; an elastic element is sleeved on the slide rod between the first step and the second step.

[0008] The sliding column is connected to a handle; the handle is arranged perpendicular to the axis of the guide hole; correspondingly, an adjustment hole is provided on the measuring body; the handle extends out of the measuring body along the adjustment hole; the adjustment hole is an oblong hole.

[0009] The measuring device is further provided with a first positioning plate; a slot is opened on the side of the first positioning plate away from the measuring device; when the workpiece contacts the measuring pin, it is engaged in the slot.

[0010] A second positioning plate is also provided; the second positioning plate is connected to the first positioning plate through a positioning hole; the positioning hole is an oblong hole.

[0011] The measuring component is a dial indicator; the measuring end of the dial indicator extends into the guide hole and contacts the sliding column.

[0012] The sliding column has a hole for the measuring pin to extend into; the sliding column is also provided with a screw; the screw is positioned facing the hole.

[0013] A first bushing is fitted onto the sliding column.

[0014] The measuring component extends into the guide hole; a second bushing is fitted onto the measuring component extending into the guide hole.

[0015] The measuring device is specifically provided with fasteners; the fasteners are set at an angle to the axis of the guide hole; along the axial direction of the guide hole; a limiting groove is formed on the outer surface of the second bushing; the fasteners extend into the limiting groove.

[0016] The beneficial technical effects of this utility model are as follows: (1) The plunger transverse hole distance rapid measuring fixture of this utility model is provided with a measuring body, a sliding column and a measuring pin. The measuring pin extends into the transverse hole of the plunger, and then the sliding column slides along the guide hole until the flat part of the plunger abuts against the measuring body. At this time, the sliding column squeezes the measuring component, and the reading of the measuring component is the distance between the transverse hole and the flat part. In actual measurement, a sample can be measured first to obtain the reading of the measuring component when the transverse hole to the flat part is at the distance marked for measurement. Alternatively, taking a dial indicator as the measuring component, the sample can be measured first, and the dial indicator can be zeroed when the flat part of the plunger abuts against the measuring body. When the plunger is measured subsequently, the value of the dial indicator is the positional deviation value of the transverse hole of the plunger relative to the flat part. This measurement method avoids errors caused by operator technique by mechanically limiting the plunger through the measuring body and the measuring pin. Moreover, this measurement method determines the marked distance in advance through the sample, and the positional accuracy of the transverse hole can be quickly judged according to the deviation value of the measuring component during subsequent testing. The measurement speed is fast and suitable for mass production.

[0017] (2) Furthermore, an elastic element is also provided on the slide column. The elastic force of the elastic element can automatically reset the slide column without manual adjustment, thereby improving the automation level of the inspection tool.

[0018] (3) Furthermore, a first positioning plate and a second positioning plate are also provided. The position of the plunger can be restricted by the slot on the first positioning plate, and then the position of the second positioning plate relative to the first positioning plate can be adjusted. The second positioning plate and the slot cooperate to fix the small-diameter plunger in the slot, thereby improving the versatility of the plunger transverse hole distance rapid measurement fixture. Attached Figure Description

[0019] Figure 1 A schematic diagram of the structure of a rapid measuring fixture for the distance of a plunger transverse bore according to an embodiment of the present disclosure is shown in the front view.

[0020] Figure 2 A cross-sectional schematic diagram of a rapid measurement fixture for the distance between the transverse bores of a plunger, according to an embodiment of this disclosure, is shown.

[0021] Figure 3 A left-side structural schematic diagram of a rapid measuring fixture for the distance between plunger transverse holes according to an embodiment of the present disclosure is shown.

[0022] Marked in the attached diagram: 1. Measuring pin; 2. Sliding column; 21. Elastic element; 22. First step; 23. First bushing; 24. Hole; 25. Screw; 3. Handle; 4. Measuring body; 41. Guide hole; 42. Slide groove; 43. Second step; 44. Adjustment hole; 45. Fastener; 46. Second bushing; 461. Limiting groove; 5. First positioning plate; 51. Slot; 6. Second positioning plate; 61. Positioning hole; 7. Measuring assembly; 8. Workpiece. Detailed Implementation

[0023] To make the objectives, features, and advantages of this utility model more apparent and understandable, please refer to the accompanying drawings. It should be noted that the structures, proportions, sizes, etc., depicted in the accompanying drawings are merely for illustrative purposes and to aid those skilled in the art in understanding and reading the content disclosed herein. They are not intended to limit the implementation conditions of this utility model and therefore have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to size, without affecting the effects and objectives achieved by this utility model, should still fall within the scope of the technical content disclosed in this utility model.

[0024] In the description of this utility model, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0025] Figure 1 A schematic diagram of the structure of a rapid measuring fixture for the distance of a plunger transverse bore according to an embodiment of the present disclosure is shown in the front view. Figure 2 A cross-sectional schematic diagram of a rapid measuring fixture for the distance between plunger transverse bores according to an embodiment of this disclosure is shown. Please refer to... Figure 1 and Figure 2 The rapid measurement fixture for the transverse distance of a plunger includes a measuring body 4, a sliding column 2, a measuring pin 1, and a measuring assembly 7. The measuring body 4 has a guide hole 41. The sliding column 2 is disposed within the guide hole 41. The measuring pin 1 connects to the sliding column 2. The measuring assembly 7 is disposed on the measuring body 4 and is positioned on the axis of the guide hole 41. The measuring body 4 also has a groove 42. The measuring pin 1 extends out of the guide hole 41 along the groove 42 and connects to the workpiece 8. The sliding column 2 slides along the guide hole 41, pressing against the measuring assembly 7. The measuring pin 1 moves the workpiece 8. Perpendicular to the direction of movement of the workpiece 8, the maximum outer diameter of the workpiece 8 coincides with the outer diameter of the measuring body 4. Taking the workpiece 8 as a plunger as an example, the measuring pin 1 extends into the transverse hole of the plunger, and then the sliding column 2 slides along the guide hole 41 until the flat part of the plunger abuts against the measuring body 4. At this point, the sliding column 2 presses against the measuring assembly 7, and the reading of the measuring assembly 7 is the distance between the transverse hole and the flat part. In actual measurement, the sample can be measured first to obtain the reading of the measuring component 7 when the transverse hole reaches the flat position at the marked distance. This measurement method avoids errors caused by operator technique through the mechanical limiting plunger of the measuring body 4 and measuring pin 1. Furthermore, this method allows for the pre-determining of the marked distance using the sample; during subsequent inspection, the positional accuracy of the transverse hole can be quickly determined based on the deviation value of the measuring component 7. This method is fast and suitable for mass production. For other types of workpieces 8 requiring distance testing besides the plunger, the distance can be determined using the measuring body 4 and measuring pin 1, and the transverse hole distance can be quickly measured using the plunger measuring fixture. This application does not limit the type of workpiece 8.

[0026] In some embodiments, the measuring component 7 can be a dial indicator. The measuring end of the dial indicator extends into the guide hole 41 and contacts the sliding column 2. Taking the measuring component 7 as a dial indicator as an example, the sample is first measured, and the dial indicator is zeroed when the flat part of the plunger sample abuts against the measuring body 4. When the plunger is subsequently measured, the value of the dial indicator is the positional deviation of the plunger's transverse hole relative to the flat part. In other embodiments, the measuring component 7 can also be a graduated ruler. The sample is first measured, and the reading of the ruler at the orifice of the guide hole 41 is recorded when the flat part of the plunger sample abuts against the measuring body 4. When the plunger is subsequently measured, the deviation between the reading of the ruler at the orifice of the guide hole 41 and the reading when the ruler was measuring the sample is the positional deviation of the plunger's transverse hole relative to the flat part.

[0027] Please refer to Figure 1 and Figure 2 Along the axial direction of the guide hole 41, the outer diameter of the slide column 2 changes to form a first step 22, and the inner diameter of the guide hole 41 changes to form a second step 43. The first step 22 and the second step 43 are arranged facing each other. An elastic element 21 is sleeved on the slide column 2 between the first step 22 and the second step 43. The slide column 2 is also provided with an elastic element 21, which can automatically reset the slide column 2 by utilizing the elastic force of the elastic element 21, without the need for manual adjustment, thus improving the automation level of the inspection tool. The elastic element 21 can be a spring or other continuously elastic structure that can realize the reset of the slide column 2.

[0028] Preferably, the slide column 2 is connected to a handle 3. The handle 3 is positioned perpendicular to the axis of the guide hole 41. Correspondingly, an adjustment hole 44 is provided on the measuring body 4. The handle 3 extends out of the measuring body 4 along the adjustment hole 44. The adjustment hole 44 is an oblong hole. By moving the handle 3 along the long axis of the adjustment hole 44, the slide column 2 can be easily slid along the guide hole 41 to measure the workpiece 8. The handle 3 can be threaded to the slide column 2. For example, the end of the handle 3 near the slide column 2 is provided with an external thread, and a threaded hole is provided on the slide column 2 to threadedly connect the handle 3.

[0029] More preferably, a hole 24 is provided on the slide column 2 for the measuring pin 1 to extend into. A screw 25 is also provided on the slide column 2. The screw 25 is positioned facing the hole 24. Tightening the screw 25 can fix the position of the measuring pin 1. Loosening the screw 25 can adjust the length of the measuring pin 1 extending out of the measuring body 4 along the hole 24 to adapt to different working conditions and improve the versatility of the quick measuring fixture for the transverse hole distance of the workpiece 8. In some embodiments, a flat surface (not shown in the figure) can be provided on the measuring pin 1 to facilitate the screw 25 abutting against the measuring pin 1 for fixation.

[0030] Figure 3 A left-side structural schematic diagram of a rapid measuring fixture for the distance between plunger transverse bores according to an embodiment of this disclosure is shown. Please refer to... Figure 1 and Figure 3The measuring device 4 is also provided with a first positioning plate 5. A slot 51 is opened on the side of the first positioning plate 5 away from the measuring device 4. When the workpiece 8 contacts the measuring pin 1, it is engaged in the slot 51. Taking the measuring device 4 as a horizontally placed object with the slot 51 opening upward as an example, the slot 51 restricts the workpiece 8 from moving radially in the horizontal direction.

[0031] Preferably, a second positioning plate 6 is also provided. The second positioning plate 6 is connected to the first positioning plate 5 through a positioning hole 61. The positioning hole 61 is an oblong hole. The position between the first positioning plate 5 and the second positioning plate 6 is adjusted along the long axis of the positioning hole 61 so that the second positioning plate 6 and the slot 51 cooperate to clamp the workpiece 8 in the slot 51. This fixing method is applicable to workpieces 8 with different outer diameters, improving the versatility of the quick measurement fixture for the transverse hole distance of the workpiece 8.

[0032] Please refer to Figure 1 and Figure 2 A first bushing 23 is fitted onto the sliding column 2. A through hole is provided in the first bushing 23 for the handle 3 to pass through. The sliding column 2 contacts the guide hole 41 through the first bushing 23. The first bushing 23 can be made of wear-resistant material to prevent the sliding column 2 and the guide hole 41 from directly contacting and wearing each other.

[0033] Preferably, the measuring component 7 extends into the guide hole 41. A second bushing 46 is fitted onto the measuring component 7 extending into the guide hole 41. The measuring component 7 contacts the guide hole 41 through the second bushing, which can be made of a wear-resistant material to prevent direct contact and mutual wear between the measuring component 7 and the guide hole 41.

[0034] More preferably, a fastener 45 is provided on the measuring body 4. The fastener 45 is angled to the axis of the guide hole 41. Along the axial direction of the guide hole 41, a limiting groove 461 is formed on the outer surface of the second bushing 46. The fastener 45 extends into the limiting groove 461. The fastener 45 can be a stud. The fastener 45 extends into the limiting groove 461 to fix the position of the second bushing 46.

[0035] The specific workflow of this utility model is as follows: Taking workpiece 8 as the plunger and measuring component 7 as the dial indicator as an example. First, move the standard-sized plunger to position 4 of the measuring body. The measuring pin 1 extends into the transverse hole of the plunger. The operator moves the handle 3 along the adjusting hole 44, driving the sliding column 2 to slide along the guide hole 41. At this time, the measuring pin 1 slides along the groove 42, driving the plunger to slide along the surface of the measuring body 4 until the flat part of the plunger abuts against the measuring body 4. At this time, the slider abuts against the measuring end of the dial indicator, and the operator zeroes the dial indicator. Then, measure the plunger to be measured. Move the plunger to be measured to position 4 of the measuring body. The measuring pin 1 extends into the transverse hole of the plunger. The operator moves the handle 3 along the adjusting hole 44, driving the sliding column 2 to slide along the guide hole 41. At this time, the measuring pin 1 slides along the groove 42, driving the plunger to slide along the surface of the measuring body 4 until the flat part of the plunger abuts against the measuring body 4. At this time, the slider abuts against the measuring end of the dial indicator, and the dial indicator reading is the positional deviation of the plunger's transverse hole relative to its flat part.

[0036] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0037] The above-described embodiments are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and alterations without departing from the concept of this utility model, and these modifications all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A plunger cross bore distance quick measuring gauge, characterized in that, The rapid measurement fixture for the distance between the plunger transverse bores includes: Measure the specific dimensions and create guide holes; A sliding column is disposed within the guide hole; Measuring pin, connected to the sliding column; A measuring component is disposed on the measuring body; the measuring component is disposed on the axis of the guide hole; The measuring device is further provided with a sliding groove; the measuring pin extends out of the guide hole along the sliding groove and connects to the workpiece; the sliding column slides along the guide hole, and the sliding column presses the measuring component; the measuring pin moves the workpiece; perpendicular to the moving direction of the workpiece, the maximum outer diameter of the workpiece coincides with the outer diameter of the measuring device.

2. The plunger cross bore distance quick measurement gage of claim 1, wherein: Along the axial direction of the guide hole, the outer diameter of the slide rod changes to form a first step, and the inner diameter of the guide hole changes to form a second step; the first step and the second step are arranged facing each other; an elastic element is sleeved on the slide rod between the first step and the second step.

3. The plunger cross bore distance quick measurement gage of claim 1, wherein: The sliding column is connected to a handle; the handle is arranged perpendicular to the axis of the guide hole; correspondingly, an adjustment hole is provided on the measuring body; the handle extends out of the measuring body along the adjustment hole; the adjustment hole is an oblong hole.

4. The plunger cross bore distance quick measurement gage of claim 1, wherein: The measuring device is further provided with a first positioning plate; a slot is opened on the side of the first positioning plate away from the measuring device; when the workpiece contacts the measuring pin, it is engaged in the slot.

5. The plunger cross bore distance quick measurement gage of claim 4, wherein: A second positioning plate is also provided; the second positioning plate is connected to the first positioning plate through a positioning hole; the positioning hole is an oblong hole.

6. The plunger cross bore distance quick measurement gauge of claim 1, wherein: The measuring component is a dial indicator; the measuring end of the dial indicator extends into the guide hole and contacts the sliding column.

7. The plunger cross bore distance quick measurement gage of claim 1, wherein: The sliding column has a hole for the measuring pin to extend into; the sliding column is also provided with a screw; the screw is positioned facing the hole.

8. The rapid measuring fixture for the distance between the plunger transverse bores as described in claim 1, characterized in that: A first bushing is fitted onto the sliding column.

9. The plunger cross bore distance quick measurement gage of claim 1, wherein: The measuring component extends into the guide hole; a second bushing is fitted onto the measuring component extending into the guide hole.

10. The plunger cross bore distance quick measurement gage of claim 9, wherein: The measuring device is specifically provided with fasteners; the fasteners are set at an angle to the axis of the guide hole; along the axial direction of the guide hole; a limiting groove is formed on the outer surface of the second bushing; the fasteners extend into the limiting groove.

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