Universal oil nozzle measuring tool

Abstract

The utility model relates to a universal oil nozzle measuring tool which is used for an oil nozzle, the oil nozzle comprises a column body and a nozzle body connected to the lower end of the column body, and the oil nozzle measuring tool comprises a base; the measuring sleeve is embedded into the lower end of the base in a sliding manner and comprises a seventh hole which is formed in the measuring sleeve in a penetrating manner; the second chamfer is arranged at the upper end of the seventh hole, and the inclination angle is matched with that of the first chamfer; the lower end of the core rod penetrates through the seventh hole, extends into the eighth hole and abuts against the inner wall of the eighth hole; a measuring head is arranged at the lower end of the measuring equipment and abuts against the upper end of the core rod; wherein the base and the measuring sleeve are coaxially arranged, the column body penetrates through the base and the nozzle body and extends into the seventh hole, and the first chamfer is in surface contact with the second chamfer. The upper end of the core rod jacks and supports a measuring head of measuring equipment for reading, whether external and internal chamfers of the oil nozzle are qualified or not is judged by calculating whether the difference value between the reading measured by the oil nozzle standard component and the reading measured by the oil nozzle to be measured is within the error range or not, the structure is simple, operation is convenient, and the detection efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of oil nozzles, in particular to a universal oil nozzle measuring tool. Background Art

[0002] The oil nozzle includes a column and a nozzle body connected to the lower end of the column, and a chamfer is set at the connection between the column and the nozzle body. In order to detect whether the chamfer angle and grinding depth meet the requirements, it is usually necessary to fix the oil nozzle and use a projector to enlarge the chamfer and compare it with the projection paper to determine whether it is qualified. This method requires complex fixed tooling, the chamfered part must be exposed, and there are many detection steps. The detection takes 1 minute per piece, and the detection efficiency is low.

[0003] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the present disclosure, and therefore may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0004] In view of the deficiencies in the prior art, the embodiment of the utility model discloses a universal oil nozzle measuring tool to solve the problem of low efficiency in oil nozzle chamfer detection.

[0005] The technical solution adopted by the utility model is as follows:

[0006] A universal oil nozzle measuring tool is used for an oil nozzle, the oil nozzle comprising a column and a nozzle body connected to the lower end of the column, an eighth hole is provided in the column, a ninth hole is provided in the nozzle body, the ninth hole is a tapered hole and the upper end is connected to the eighth hole, a first chamfer is provided at the connection between the column and the nozzle body, the oil nozzle measuring tool comprises: a base; a measuring sleeve, slidably embedded in the lower end of the base, comprising: a seventh hole, which passes through and is provided in the measuring sleeve; a second chamfer is provided at the upper end of the seventh hole, and the inclination angle matches the first chamfer; a core rod, the upper end of which slides into the eighth hole, and the lower end extends into the ninth hole and abuts against the inner wall of the ninth hole; a measuring device, the lower end of which has a probe, and the probe abuts against the upper end of the core rod; wherein the base, the measuring sleeve, the core rod and the oil nozzle are coaxially arranged, the column passes through the base, the nozzle body extends into the seventh hole, and the first chamfer is in contact with the second chamfer surface.

[0007] A further technical solution is that the oil nozzle measuring tool further comprises: a positioning block, which is slidably embedded in the upper end of the base; wherein the column passes through the positioning block.

[0008] A further technical solution is that the column includes a first column and a second column connected to the lower end of the first column, and the nozzle is connected to the lower end of the second column; a sixth hole is provided in the positioning block for the first column to pass through.

[0009] Its further technical solution is that a first hole, a second hole and a third hole are sequentially opened in the base from the upper end to the lower end, the inner diameter of the first hole is larger than the inner diameter of the second hole, and the inner diameter of the second hole is larger than the inner diameter of the third hole; wherein, when the oil nozzle measuring tool does not have a positioning block, the column is inserted into the first hole, and when the oil nozzle measuring tool has a positioning block, the positioning block is inserted into the first hole, the column passes through the second hole, and the measuring sleeve is inserted into the third hole.

[0010] A further technical solution is that the side of the positioning block has a first groove, and the side of the base has a fourth hole corresponding to the first groove; the oil nozzle measuring tool includes: a first screw, which is screwed into the fourth hole and stuck in the first groove.

[0011] A further technical solution is that the side of the measuring sleeve has a second groove, and the side of the base has a fifth hole corresponding to the second groove; the oil nozzle measuring tool includes: a second screw, which is screwed into the fifth hole and stuck in the second groove.

[0012] A further technical solution is that the core rod includes a third cylinder, a fourth cylinder and a fifth cylinder connected in sequence from the upper end to the lower end, the outer diameter of the third cylinder is greater than the outer diameter of the fourth cylinder, and the outer diameter of the fourth cylinder is greater than the outer diameter of the fifth cylinder; wherein the third cylinder is inserted into the eighth hole, the fourth cylinder passes through the eighth hole, and the fifth cylinder extends into the ninth hole and abuts against the inner wall of the ninth hole.

[0013] A further technical solution is that the outer upper end of the positioning block has an outer edge.

[0014] A further technical solution is that the upper end of the core rod has a conical head.

[0015] A further technical solution is that a tenth hole is provided at the lower end of the base, and the lower end of the measuring sleeve extends into the tenth hole.

[0016] The beneficial effects of the embodiments of the utility model are as follows:

[0017] (1) The universal oil nozzle measuring tool of the utility model includes a base, a measuring sleeve, a core rod and a measuring device. The column of the oil nozzle passes through the base, and the nozzle body extends into the seventh hole of the measuring sleeve, and the first chamfer contacts the second chamfer surface. The upper end of the core rod slides into the eighth hole, and the lower end extends into the ninth hole and abuts against the inner wall of the ninth hole. The upper end of the core rod supports the probe of the measuring device to take a reading. By calculating whether the difference between the reading measured by the oil nozzle standard part and the reading measured by the oil nozzle to be tested is within the error range, it is judged whether the external and internal chamfers of the oil nozzle are qualified. The structure is simple, the operation is convenient, and the detection efficiency is high.

[0018] (ii) Furthermore, when the outer diameter of the first cylinder of the oil nozzle to be inserted is relatively small, a positioning block is slidably embedded in the upper end of the base. The positioning block is coaxially arranged with the base and the measuring sleeve to limit the circumferential movement of the oil nozzle and ensure the concentricity of the oil nozzle and the tooling, thereby ensuring the accuracy of the detection and being applicable to oil nozzles of cylinders of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the universal oil nozzle measuring tool of the utility model.

[0020] Figure 2 It is a structural schematic diagram of the oil nozzle in the universal oil nozzle measuring tool of the utility model.

[0021] Figure 3 for Figure 2 Zoom in on point A.

[0022] Figure 4 This is a schematic diagram of the structure of a universal oil nozzle measuring tool according to the first embodiment of the utility model.

[0023] Figure 5 It is a structural schematic diagram of a base in a universal oil nozzle measuring tool of the utility model.

[0024] Figure 6 It is a structural schematic diagram of a measuring sleeve in a universal oil nozzle measuring tool of the utility model.

[0025] Figure 7 It is a structural schematic diagram of the core rod in the universal oil nozzle measuring tool of the utility model.

[0026] Figure 8 The utility model is a schematic diagram of the structure of the positioning block in the universal oil nozzle measuring tool.

[0027] In the figure:

[0028] 1. Base; 11. First hole; 12. Second hole; 13. Third hole; 14. Fourth hole; 15. Fifth hole; 16. Tenth hole; 17. First screw; 18. Second screw; 2. Positioning block; 21. Sixth hole; 22. First groove; 23. Outer edge; 3. Measuring sleeve; 31. Seventh hole; 32. Second groove; 33. Second chamfer; 4. Mandrel; 41. Third cylinder; 42. Fourth cylinder; 43. Fifth cylinder; 44. Conical head; 5. Oil nozzle; 51. First cylinder; 52. Second cylinder; 53. Nozzle; 54. Eighth hole; 55. Ninth hole; 56. First chamfer. DETAILED DESCRIPTION

[0029] The specific implementation of the present utility model is described below in conjunction with the accompanying drawings.

[0030] In order to make the purpose, technical scheme and advantages of the utility model clearer, the device proposed in the utility model is further described in detail below in combination with the accompanying drawings and specific implementation methods. According to the following description, the advantages and features of the utility model will be clearer. It should be noted that the accompanying drawings adopt a very simplified form and use non-precise proportions, which are only used to conveniently and clearly assist in explaining the purpose of the implementation method of the utility model. In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, please refer to the accompanying drawings. It should be noted that the structure, proportion, size, etc. illustrated by the accompanying drawings of this specification are only used to match the content disclosed in the specification, so that people familiar with this technology can understand and read, and are not used to limit the limiting conditions for the implementation of the utility model, so it has no technical substantive significance. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effect that the utility model can produce and the purpose that can be achieved, should still fall within the scope of the technical content disclosed by the utility model.

[0031] First embodiment:

[0032] This embodiment discloses a universal oil nozzle measuring tool.

[0033] Figure 1 It is a structural schematic diagram of the universal oil nozzle measuring tool of the utility model. Figure 2 It is a structural schematic diagram of the oil nozzle in the universal oil nozzle measuring tool of the utility model. Figure 3 for Figure 2 Zoom in on point A. Figure 1 to Figure 3 As shown, the nozzle measuring tool is used for the nozzle 5, which includes a column and a nozzle body 53 connected to the lower end of the column, an eighth hole 54 is provided in the column, a ninth hole 55 is provided in the nozzle body 53, the ninth hole 55 is a tapered hole and the upper end is connected to the eighth hole 54, and a first chamfer 56 is provided at the connection between the column and the nozzle body 53. Exemplarily, the column includes a first column 51 and a second column 52 connected to the lower end of the first column 51, the outer diameter of the first column 51 is greater than the outer diameter of the second column 52, the nozzle body 53 is connected to the lower end of the second column 52, and the first chamfer 56 is provided at the connection between the second column 52 and the nozzle body 53. The eighth hole 54 and the ninth hole 55 are coaxially arranged.

[0034] Figure 4 This is a schematic diagram of the structure of the universal oil nozzle measuring tooling according to the first embodiment of the utility model. Figure 4 As shown, the nozzle measuring tool comprises a base 1, a measuring sleeve 3, a core rod 4 and a measuring device (not shown in the figure).

[0035] Figure 5 This is a schematic diagram of the structure of the base in the universal oil nozzle measuring tool of the utility model. Figure 2 , Figure 4 and Figure 5As shown, the center of the base 1 is provided with a first hole 11, a second hole 12 and a third hole 13 from the upper end to the lower end in sequence, the inner diameter of the first hole 11 is larger than the inner diameter of the second hole 12, and the inner diameter of the second hole 12 is larger than the inner diameter of the third hole 13. The first column 51 is inserted into the first hole 11, and the second column 52 passes through the second hole 12, so as to facilitate the placement of the oil nozzle 5.

[0036] Figure 6 This is a schematic diagram of the structure of the measuring sleeve in the universal oil nozzle measuring tool of the utility model. Figure 2 , Figure 4 and Figure 6 As shown, the measuring sleeve 3 is slidably embedded in the lower end of the base 1, including a seventh hole 31 and a second chamfer 33. The seventh hole 31 is opened through the middle of the measuring sleeve 3. The second chamfer 33 is arranged at the connection between the upper end of the seventh hole 31 and the upper surface of the measuring sleeve 3, and the inclination angle matches the first chamfer 56. Exemplarily, the measuring sleeve 3 is inserted into the third hole 13. When the oil nozzle 5 with a different outer diameter is matched, the outer diameter of the seventh hole 31 is also adjusted to ensure that the second chamfer 33 can contact the first chamfer 56. The base 1 and the measuring sleeve 3 are coaxially arranged to ensure the concentricity of the oil nozzle 5 and the tooling.

[0037] Figure 7 Schematic diagram of the structure of the core rod 4 in the universal oil nozzle measuring tool of the utility model. Figure 2 and Figure 7 As shown, the upper end of the mandrel 4 slides through the eighth hole 54, and the lower end extends into the ninth hole 55 and abuts against the inner wall of the ninth hole 55. Exemplarily, the mandrel 4 includes a third cylinder 41, a fourth cylinder 42 and a fifth cylinder 43 connected in sequence from the upper end to the lower end, the third cylinder 41, the fourth cylinder 42 and the fifth cylinder 43 are coaxially arranged, the outer diameter of the third cylinder 41 is greater than the outer diameter of the fourth cylinder 42, and the outer diameter of the fourth cylinder 42 is greater than the outer diameter of the fifth cylinder 43. Among them, the third cylinder 41 is inserted into the eighth hole 54, the fourth cylinder 42 passes through the eighth hole 54, and the fifth cylinder 43 extends into the ninth hole 55 and abuts against the inner wall of the ninth hole 55. Preferably, the upper end of the mandrel 4 has a conical head 44, and the smaller the top plane of the conical head 44 is, the easier it is to meet the processing accuracy, and the measurement repeatability data accuracy is better.

[0038] The measuring device has a probe at the lower end, and the probe abuts against the upper end of the mandrel 4. Exemplarily, the measuring device is a micrometer, which is fixed by an external bracket.

[0039] like Figure 5 and Figure 6 As shown, further, the side of the measuring sleeve 3 has a second groove 32, and the side of the base 1 has a fifth hole 15 corresponding to the second groove 32. The nozzle measuring tool includes a second screw 18, which is screwed into the fifth hole 15 and stuck in the second groove 32 to prevent the measuring sleeve 3 from shaking in the base 1 or falling out of the base 1.

[0040] like Figure 5 As shown, further, a tenth hole 16 is opened at the lower end of the base 1, and the tenth hole 16 is located at the lower end of the third hole 13. The lower end of the measuring sleeve 3 extends into the tenth hole 16, so as to facilitate taking out the measuring sleeve 3.

[0041] In this embodiment, when the nozzle 5 is placed, the column passes through the base 1, the nozzle body 53 extends into the seventh hole 31 of the measuring sleeve 3, and the first chamfer 56 contacts the second chamfer 33. The upper end of the core rod 4 slides into the eighth hole 54, and the lower end extends into the ninth hole 55 and abuts against the inner wall of the ninth hole 55. The upper end of the core rod 4 supports the probe of the measuring equipment to read the reading. By calculating whether the difference between the reading measured by the standard part of the nozzle 5 and the reading measured by the nozzle 5 to be tested is within the error range, it is judged whether the external and internal chamfers of the nozzle 5 are qualified. The structure is simple, the operation is convenient, and the detection efficiency is high.

[0042] Second embodiment:

[0043] Based on the first embodiment, the second embodiment is further optimized and refined.

[0044] Figure 8 FIG. 2 is a schematic diagram of the structure of the positioning block 2 in the universal oil nozzle measuring tool of the utility model. Figure 1 and Figure 8 As shown, the nozzle measuring tool includes a positioning block 2, which is slidably embedded in the upper end of the base 1 and is coaxially arranged with the base 1 and the measuring sleeve 3. Among them, the first column 51 is inserted into the positioning block 2. Exemplarily, a sixth hole 21 is provided in the middle of the positioning block 2 for the first column 51 to pass through. The positioning block 2 is inserted into the first hole 11.

[0045] like Figure 1 and Figure 8 As shown, further, the side of the positioning block 2 has a first groove 22, and the side of the base 1 has a fourth hole 14 corresponding to the first groove 22. The nozzle measuring tool includes a first screw 17, which is screwed into the fourth hole 14 and stuck in the first groove 22 to prevent the positioning block 2 from shaking in the base 1 or falling out of the base 1.

[0046] Preferably, the outer upper end of the positioning block 2 has an outer edge 23 to facilitate taking and placing the positioning block 2.

[0047] In this embodiment, when the outer diameter of the first column 51 of the inserted oil nozzle 5 is relatively small, the positioning block 2 is slidably embedded in the upper end of the base 1. The positioning block 2 is coaxially arranged with the base 1 and the measuring sleeve 3 to limit the circumferential movement of the oil nozzle 5 and ensure the concentricity of the oil nozzle 5 and the tooling, thereby ensuring the accuracy of the detection, and being applicable to oil nozzles 5 with columns of different sizes.

[0048] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described 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.

[0049] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. Universal oil nozzle measuring tool, characterized by: For a nozzle, the nozzle comprises a column and a nozzle body connected to the lower end of the column, an eighth hole is provided in the column, a ninth hole is provided in the nozzle body, the ninth hole is a tapered hole and the upper end is connected to the eighth hole, a first chamfer is provided at the connection between the column and the nozzle body, and the nozzle measuring tool comprises: Pedestal; The measuring sleeve is slidably embedded in the lower end of the base and comprises: A seventh hole is formed through the measuring sleeve; A second chamfer, provided at the upper end of the seventh hole, with an inclination angle matching that of the first chamfer; A core rod, the upper end of which is slidably inserted into the eighth hole, and the lower end of which is extended into the ninth hole and abuts against the inner wall of the ninth hole; A measuring device, having a probe at the lower end, the probe abutting against the upper end of the mandrel; Wherein, the column passes through the base, the nozzle body extends into the seventh hole, and the first chamfer is in contact with the second chamfer surface.

2. The universal oil nozzle measuring tool according to claim 1 is characterized in that: The nozzle measuring tool further comprises: A positioning block is slidably embedded in the upper end of the base and is coaxially arranged with the base and the measuring sleeve; Wherein, the column passes through the positioning block.

3. The universal oil nozzle measuring tool according to claim 2 is characterized in that: The column includes a first column and a second column connected to the lower end of the first column, and the nozzle is connected to the lower end of the second column; a sixth hole for the first column to pass through is arranged in the positioning block.

4. The universal oil nozzle measuring tool according to claim 1 or 2, characterized in that: The base is provided with a first hole, a second hole and a third hole in sequence from the upper end to the lower end, the inner diameter of the first hole is larger than the inner diameter of the second hole, and the inner diameter of the second hole is larger than the inner diameter of the third hole; Among them, when the oil nozzle measuring tool does not have a positioning block, the column is inserted into the first hole; when the oil nozzle measuring tool has a positioning block, the positioning block is inserted into the first hole, the column passes through the second hole, and the measuring sleeve is inserted into the third hole.

5. The universal oil nozzle measuring tool according to claim 2 is characterized in that: The side of the positioning block has a first groove, and the side of the base has a fourth hole corresponding to the first groove; the nozzle measuring tool comprises: The first screw is screwed into the fourth hole and locked in the first groove.

6. The universal oil nozzle measuring tool according to claim 1 is characterized in that: The side of the measuring sleeve has a second groove, and the side of the base has a fifth hole corresponding to the second groove; the nozzle measuring tool comprises: The second screw is screwed into the fifth hole and locked in the second groove.

7. The universal oil nozzle measuring tool according to claim 1 is characterized in that: The core rod comprises a third column, a fourth column and a fifth column connected in sequence from the upper end to the lower end, the outer diameter of the third column is larger than the outer diameter of the fourth column, and the outer diameter of the fourth column is larger than the outer diameter of the fifth column; The third column is inserted into the eighth hole, the fourth column passes through the eighth hole, and the fifth column extends into the ninth hole and abuts against the inner wall of the ninth hole.

8. The universal oil nozzle measuring tool according to claim 2 is characterized in that: The outer upper end of the positioning block has an outer edge.

9. The universal oil nozzle measuring tool according to claim 1 is characterized in that: The upper end of the core rod is provided with a conical head.

10. The universal oil nozzle measuring tool according to claim 1 is characterized in that: A tenth hole is formed at the lower end of the base, and the lower end of the measuring sleeve extends into the tenth hole.

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