Precise measuring tool for measuring contact height of mouth of aerosol can

Abstract

The utility model discloses a precision measuring tool for measuring the contact height of an aerosol can opening. The precision measuring tool comprises a cylindrical boss, a blind hole and a ring gauge, a round hole is formed in the right end in the cylindrical boss, an avoiding groove is formed in the bottom end of the right side of the cylindrical boss, a multifunctional digital display dial indicator is inserted into the round hole, a measuring rod is arranged in the multifunctional digital display dial indicator, the bottom end of the measuring rod extends into the avoiding groove, and a measuring head is installed at the lower end of the measuring rod through a measuring head screw; the number of the blind holes is two, the two blind holes are formed in the lower end of the outer surface of the cylindrical boss, and positioning balls are arranged in the blind holes; according to the precision measuring tool for measuring the contact height of the can opening of the aerosol can, through comprehensive optimization, the comprehensive performance of the precision measuring tool for measuring the contact height of the can opening of the aerosol can is remarkably improved, and high precision of a measuring result, efficient and convenient operation and data reliability are ensured; and the overall efficiency of the measurement process is greatly enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of aerosol can production, in particular to a precision measuring tool for measuring the contact height of an aerosol can mouth. Background Art

[0002] Aerosol cans are usually used to fill flammable or high-pressure gases, such as butane, sprays, etc. The contact height of the aerosol can mouth directly affects the sealing performance between the can body and the nozzle or valve. During the production process, ensuring that the contact height of each aerosol can mouth is consistent is the key to improving product quality. The precision measuring tool for measuring the contact height of the aerosol can mouth can help detect and adjust the contact height of the can mouth, thereby ensuring that each product can meet consistent quality standards;

[0003] The traditional precision measuring tool for measuring the contact height of the aerosol can mouth uses two main contact points on the table base to ensure that the aerosol can mouth is stably fixed in the correct position during measurement to ensure the repeatability and consistency of the measurement. The table base is equipped with two limit-fixed positioning beads, which limit the movement of the aerosol can and prevent it from shifting during the measurement process. The probe has a diameter of 8-10mm. After it contacts the object to be measured, the displacement will be transmitted to the measuring mechanism of the pointer dial indicator and the relative value digital dial indicator. By observing the intersection of the scales of the pointer dial indicator and the digital dial indicator, the accuracy of the size or shape of the object to be measured can be obtained. At the same time, the contact height is set to 4.25mm to ensure that the measuring tool can adapt to specific measurement needs;

[0004] The current contact height gauge has the following problems: First, the four contact points formed between the gauge base and the mouth of the aerosol can interfere with each other, resulting in increased measurement errors. Second, the probe diameter is only 8-10mm, and the contact position is sharp, which can easily cause mechanical damage to the surface of the aerosol can mouth, thus affecting the accuracy of repeated measurements. Third, the use of pointer dial indicators and relative value digital dial indicators makes the reading of measured values ​​less intuitive, especially the numerical direction of the relative value dial indicator is opposite to the actual error direction, and calculation is required to obtain the correct result. Finally, the contact height marked on the ring gauge of the contact height gauge is 4.25mm, which is inconsistent with the 4.00mm standard of my country's aerosol cans, resulting in inaccurate marking and affecting the applicability of actual measurements. For this reason, we propose a precision measuring tool for measuring the contact height of the aerosol can mouth. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide a precision measuring tool for measuring the contact height of the mouth of an aerosol can, which can significantly improve the measurement accuracy, ease of operation and reliability, ensure the high accuracy and consistency of the measurement results, and can effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a precision measuring tool for measuring the contact height of the mouth of an aerosol can, comprising a cylindrical boss, a blind hole and a ring gauge;

[0007] Cylindrical boss: a circular hole is provided at the right end thereof, an avoidance groove is provided at the right bottom end of the cylindrical boss, a multifunctional digital dial indicator is inserted into the circular hole, a measuring rod is provided inside the multifunctional digital dial indicator, the bottom end of the measuring rod extends to the inside of the avoidance groove, and a measuring head is installed at the lower end of the measuring rod through a measuring head screw;

[0008] Blind holes: There are two blind holes, which are respectively opened at the lower end of the outer surface of the cylindrical boss, and positioning beads are provided inside the blind holes;

[0009] Ring gauge: It is set on the lower end of the cylindrical boss. The ring gauge is installed in conjunction with the locating bead. After comprehensive optimization, the comprehensive performance of the precision measuring tool for measuring the contact height of the aerosol can mouth has been significantly improved, ensuring the high accuracy of the measurement results, efficient and convenient operation, and reliability of the data, greatly enhancing the overall efficiency of the measurement process.

[0010] Furthermore, the diameter of the probe is greater than 10 mm, which avoids damage to the can mouth during the measurement process and ensures the accuracy of the size of repeated tests.

[0011] Furthermore, the angles between the circular hole and the two blind holes are 120 degrees, thereby improving the measurement accuracy.

[0012] Furthermore, the contact height of the ring gauge is 4 mm, which is consistent with the national standard, thus ensuring the reliability and accuracy of the measurement.

[0013] Furthermore, the upper end of the measuring rod is sleeved with a spring, which can stably contact with the ring gauge.

[0014] Furthermore, it also includes a measurement positioning point, which is arranged at the lower end of the right side of the cylindrical boss to achieve three-point positioning of the aerosol tank mouth without mutual interference, thereby improving the measurement accuracy.

[0015] Furthermore, it also includes an internal threaded hole, which is opened at the left end of the outer surface of the upper side of the cylindrical boss, the internal threaded hole is connected to the circular hole, and the internal thread of the internal threaded hole is connected with a screw to fix the multifunctional digital dial indicator to ensure its stability.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the precision measuring tool for measuring the contact height of the mouth of an aerosol can has the following advantages:

[0017] 1. Two positioning beads and one measurement positioning point are used to achieve three-point positioning of the aerosol can mouth. The angle between the three positioning points is 120 degrees, which makes the positioning structure in the most stable state. In the process of rotating the aerosol can mouth to measure the contact height, the three-point positioning always maintains a stable state without interference with each other, which improves the measurement accuracy and avoids the measurement inaccuracy caused by the mutual interference of the positioning points in the traditional four-point positioning structure.

[0018] 2. The probe is designed to have a diameter greater than 10mm. This increased size significantly increases the contact area between the probe and the mouth of the aerosol can, reduces friction, avoids damage to the mouth of the can during measurement, and ensures accurate dimensions for repeated inspections.

[0019] 3. The measuring table adopts a multi-functional digital display dial indicator with absolute and relative value measurement functions. The direction of the measured positive and negative values ​​is consistent with the positive and negative change direction of the actual measured value. The measurement results can be read directly, and the operation is simple and convenient.

[0020] 4. The ring gauge used to calibrate the contact height is optimized to be a 4mm ring gauge, which is consistent with the national standard. It not only ensures the reliability and accuracy of the measurement, but also ensures the long-term stable operation of the precision measuring tool for measuring the contact height of the aerosol can mouth, thereby achieving a high-precision and high-efficiency measurement process. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 It is a schematic diagram of the structure of the utility model in a front side section;

[0023] Figure 3 It is a partial cross-sectional structural schematic diagram of the cylindrical boss of the utility model.

[0024] In the figure: 1 spring, 2 multi-function digital dial indicator, 3 cylindrical boss, 4 ring gauge, 5 blind hole, 6 screw, 7 internal threaded hole, 8 positioning bead, 9 probe screw, 10 probe, 11 measuring rod, 12 round hole, 13 measuring positioning point, 14 avoidance groove. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-3, this embodiment provides a technical solution: a precision measuring tool for measuring the contact height of an aerosol can mouth, comprising a cylindrical boss 3, a blind hole 5 and a ring gauge 4;

[0027] Cylindrical boss 3: A circular hole 12 is provided at the right end thereof, and an avoidance groove 14 is provided at the right bottom end of the cylindrical boss 3. A multifunctional digital dial indicator 2 is inserted into the circular hole 12. After the measurement is completed, the operator can directly read the measurement result through the multifunctional digital dial indicator 2, which simplifies the operation process and reduces the reading error. A measuring rod 11 is provided inside the multifunctional digital dial indicator 2. A spring 1 is sleeved on the upper end of the measuring rod 11. Through the spring 1 at the upper end of the measuring rod 11, the elastic force of the spring 1 is used to press the probe 10 toward the ring gauge 4 to achieve contact between the probe 10 and the ring gauge 4, thereby ensuring that the probe 10 can stably contact with the ring gauge 4, thereby completing the calibration of the multifunctional digital dial indicator 2. The bottom end of the measuring rod 11 extends to the inside of the avoidance groove 14, and the lower end of the measuring rod 11 is equipped with a probe 10 through a probe screw 9. The diameter of the probe 10 is greater than 10 mm, and it also includes a measuring positioning point 13. The depth of the avoidance groove 14 maintains a certain distance from the cylindrical boss 3. The distance forms a measurement positioning point 13, and the probe 10 is fixed to the lower end of the measuring rod 11 by the probe screw 9 to ensure that the connection between the probe 10 and the measuring rod 11 is firm. In the process of measuring the contact height of the aerosol can mouth, the probe 10 is designed to be greater than 10mm in diameter. This increased size significantly increases the contact area between the probe and the aerosol can mouth, effectively reducing the pressure concentration at the contact point and reducing the risk of damage to the can mouth, thereby protecting the integrity of the can mouth and ensuring the accuracy of the measurement. The measurement positioning point 13 is set at the lower right end of the cylindrical boss 3, and also includes an internal threaded hole 7. The internal threaded hole 7 is opened at the left end of the outer surface of the upper side of the cylindrical boss 3. The internal threaded hole 7 is connected to the circular hole 12. The internal thread of the internal threaded hole 7 is connected with a screw 6. The multifunctional digital display dial indicator 2 is inserted into the circular hole 12 to ensure its accurate position, and then the screw 6 is used to connect its threaded part with the internal threaded hole 7. The screw 6 is tightened to fix the multifunctional digital display dial indicator 2 to ensure its stability.

[0028] Blind holes 5: There are two blind holes 5, which are respectively opened at the lower end of the outer surface of the cylindrical boss 3. Positioning beads 8 are arranged inside the blind holes 5. The angles between the circular hole 12 and the two blind holes 5 are 120 degrees. The ring gauge 4 is sleeved on the lower end of the cylindrical boss 3 to make it contact with the positioning beads 8 in the two blind holes 5. The ring gauge 4 plays a calibration role in this step and accurately positions with the positioning beads 8. At the same time, a three-point positioning structure is realized with the measurement positioning point 13. The angle between the three positioning points is 120 degrees. This structure can ensure the stability of positioning and avoid interference during the rotation measurement process, thereby ensuring the accuracy and stability of the measurement;

[0029] Ring gauge 4: It is sleeved on the lower end of the cylindrical boss 3. The ring gauge 4 is installed in conjunction with the locating bead 8. The contact height of the ring gauge 4 is 4 mm. In order to ensure that the calibration of the precision measuring tool for measuring the contact height of the aerosol can mouth is consistent with the national standard, a ring gauge 4 with a contact height of 4 mm is used for calibration to ensure the reliability and accuracy of the measurement.

[0030] The working principle of a precision measuring tool for measuring the contact height of the mouth of an aerosol can provided by the utility model is as follows: first, insert the multifunctional digital dial indicator 2 into the circular hole 12 to ensure that the position is accurate, and then use the screw 6 to connect the threaded part thereof with the internal threaded hole 7, tighten the screw 6 to fix the multifunctional digital dial indicator 2 to ensure its stability, and fix the probe 10 to the lower end of the measuring rod 11 by the probe screw 9 to ensure that the connection between the probe 10 and the measuring rod 11 is firm, at the same time, the ring gauge 4 is sleeved on the lower end of the cylindrical boss 3 to make it contact with the positioning beads 8 in the two blind holes 5, the ring gauge 4 plays a calibration role in this step, and accurately positions with the positioning beads 8, and at the same time, realizes a three-point positioning structure with the measuring positioning point 13, and the angle between the three positioning points is 120 degrees, and this structure can ensure the stability of positioning and avoid interference during the rotation measurement process, thereby ensuring the accuracy and stability of the measurement, through The spring 1 at the upper end of the measuring rod 11 uses the elastic force of the spring 1 to press the probe 10 toward the ring gauge 4, thereby achieving contact between the probe 10 and the ring gauge 4, ensuring that the probe 10 can stably contact the ring gauge 4, thereby completing the calibration of the multifunctional digital dial indicator 2. In the process of measuring the contact height of the aerosol can mouth, the probe 10 is designed to be greater than 10mm in diameter. This increased size significantly increases the contact area between the probe and the mouth of the aerosol can, effectively reducing the pressure concentration at the contact point and reducing the risk of damage to the mouth of the can, thereby protecting the integrity of the mouth of the can and ensuring the accuracy of the measurement. After the measurement is completed, the operator can directly read the measurement result through the multifunctional digital dial indicator 2, which simplifies the operation process and reduces the reading error. In order to ensure that the calibration of the precision measuring tool for measuring the contact height of the mouth of the aerosol can is consistent with the national standard, a ring gauge 4 with a contact height of 4mm is used for calibration, thereby ensuring the reliability and accuracy of the measurement.

[0031] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A precision measuring tool for measuring the contact height of an aerosol can mouth, characterized by: It comprises a cylindrical boss (3), a blind hole (5) and a ring gauge (4); A cylindrical boss (3): a circular hole (12) is formed at the right end thereof, a relief groove (14) is formed at the right bottom end of the cylindrical boss (3), a multifunctional digital dial indicator (2) is inserted into the circular hole (12), a measuring rod (11) is formed inside the multifunctional digital dial indicator (2), the bottom end of the measuring rod (11) extends into the relief groove (14), and a measuring head (10) is mounted on the lower end of the measuring rod (11) via a measuring head screw (9); Blind holes (5): There are two blind holes (5), each of which is opened at the lower end of the outer surface of the cylindrical boss (3). Positioning beads (8) are provided inside the blind holes (5); Ring gauge (4): It is sleeved on the lower end of the cylindrical boss (3), and the ring gauge (4) is installed in conjunction with the positioning bead (8).

2. A precision measuring tool for measuring the contact height of the mouth of an aerosol can according to claim 1, characterized in that: The diameter of the probe (10) is greater than 10 mm.

3. A precision measuring tool for measuring the contact height of the mouth of an aerosol can according to claim 1, characterized in that: The angles between the circular hole (12) and the two blind holes (5) are 120 degrees.

4. The precision measuring tool for measuring the contact height of the mouth of an aerosol can according to claim 1, characterized in that: The contact height of the ring gauge (4) is 4 mm.

5. The precision measuring tool for measuring the contact height of the mouth of an aerosol can according to claim 1, characterized in that: The upper end of the measuring rod (11) is sleeved with a spring (1).

6. The precision measuring tool for measuring the contact height of the mouth of an aerosol can according to claim 1, characterized in that: It also includes a measurement positioning point (13), which is arranged at the lower right end of the cylindrical boss (3).

7. The precision measuring tool for measuring the contact height of the mouth of an aerosol can according to claim 1, characterized in that: It also includes an internal threaded hole (7), which is opened at the left end of the outer surface of the upper side of the cylindrical boss (3), the internal threaded hole (7) is connected to the circular hole (12), and the internal thread of the internal threaded hole (7) is connected to a screw (6).

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