Measuring head structure for pneumoelectric detection station

Abstract

The utility model provides a measuring head structure for a pneumoelectric detection station, which comprises a holding part and a nozzle, the bottom end of the nozzle is in threaded connection with a buffer mechanism, the bottom end of the buffer mechanism is in threaded connection with a guide head, the diameter of the buffer mechanism and the diameter of the guide head are both smaller than the diameter of the nozzle, and the diameter of the guide head is smaller than the diameter of the nozzle. The holding part and the nozzle are detachably connected through a quick connector, and the top end of the holding part is connected with an air pipe matched with the nozzle. According to the utility model, by arranging the buffer mechanism and the guide head, when the nozzle is not directly inserted into the hole to be detected on the workpiece, the buffer mechanism and the guide head can prevent the nozzle from directly impacting the workpiece to protect the nozzle, so that the problem that the nozzle is deformed and damaged is avoided, and meanwhile, the buffer mechanism can absorb part of impact force; and the surface of the to-be-detected workpiece is prevented from being damaged due to impact of the nozzle.

Description

Technical Field

[0001] This utility model relates to the field of testing equipment technology, and more specifically, to a probe structure for a gas and electricity testing station. Background Technology

[0002] A pneumatic-electric testing station is a pneumatic aperture measuring instrument. Its working principle utilizes the change in gas pressure caused by the minute gap between the nozzle on the pneumatic measuring head and the workpiece being measured. This gas pressure change is then converted into a voltage signal by a high-precision pneumatic-electric converter. Pneumatic measurement offers numerous advantages, including non-contact measurement, high accuracy, low measuring force, strong self-cleaning ability, and long service life, making it widely used in the field of small-hole inner diameter measurement.

[0003] Existing probes, when in use, will cause the nozzle to impact the workpiece if it fails to insert smoothly into the hole being measured. Over long-term use, the nozzle may deform or become damaged. Furthermore, it is inconvenient to replace probes of different diameters during use. Therefore, this invention proposes a new solution. Utility Model Content

[0004] The purpose of this invention is to solve the problems of existing probes where the nozzle will impact the workpiece if it fails to be inserted smoothly into the hole to be tested, and the nozzle will deform and be damaged after long-term use. In addition, it is inconvenient to replace probes of different diameters during use. Therefore, this invention proposes a probe structure for a pneumatic and electrical testing station.

[0005] To achieve the above-mentioned objectives, this utility model provides the following technical solution:

[0006] The probe structure used in the gas and electricity testing station aims to improve the above-mentioned problems.

[0007] The present invention is as follows:

[0008] The device includes a grip and a nozzle. The bottom end of the nozzle is threadedly connected to a buffer mechanism, and the bottom end of the buffer mechanism is threadedly connected to a guide head. The diameters of the buffer mechanism and the guide head are both smaller than the diameter of the nozzle. The grip and the nozzle are detachably connected via a quick connector. The top end of the grip is connected to an air tube that mates with the nozzle. The quick connector has a detachable support mechanism on its outer side, with its two ends respectively mounted on the grip and the nozzle.

[0009] As a preferred technical solution of this utility model, the gripping part includes a connecting tube, the top end of the connecting tube is equipped with a connector for connecting the air tube, and the outside of the connecting tube is covered with an anti-slip sleeve.

[0010] As a preferred technical solution of this utility model, a mounting base located on one side of the anti-slip sleeve is fixedly installed on the outside of the connecting pipe, and a recording button is installed on the mounting base.

[0011] As a preferred embodiment of this invention, the quick connector includes a male connector and a female connector, with the female connector installed at the bottom end of the connecting pipe and the male connector installed at the top end of the nozzle.

[0012] As a preferred technical solution of this utility model, the buffer mechanism includes a sleeve and a slide rod that are slidably connected. The two ends of the slide rod are respectively connected to a first limiting block and a second limiting block. The inside of the sleeve is provided with a sliding groove that cooperates with the slide rod and the first limiting block. A spring is installed on the outside of the slide rod between the second limiting block and the bottom end of the sleeve.

[0013] As a preferred technical solution of this utility model, the bottom end of the second limiting block is provided with a screw hole that cooperates with the top screw of the guide head, and the guide head is threadedly connected to the second limiting block through the screw and the screw hole.

[0014] As a preferred technical solution of this utility model, the detachable support mechanism includes a connecting plate installed on the outside of the connecting pipe and a support sleeve installed on the outside of the nozzle. Two mutually symmetrical support plates are installed at the bottom of the connecting plate, and mounting holes are opened in the middle of both the connecting plate and the support sleeve.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] In the solution of this utility model:

[0017] 1. By setting up a buffer mechanism and a guide head, when the nozzle fails to be directly inserted into the test hole on the workpiece, the buffer mechanism and guide head can prevent the nozzle from directly hitting the workpiece and protect the nozzle from deformation and damage. At the same time, the buffer mechanism can absorb part of the impact force and prevent damage to the surface of the workpiece due to the impact of the nozzle.

[0018] 2. By incorporating quick-connect couplings and a detachable support mechanism, the grip and nozzle can be easily disassembled and installed during use, facilitating rapid nozzle replacement and shortening maintenance time. Furthermore, if either the grip or the nozzle is damaged, it can be replaced individually, reducing maintenance costs. The detachable support mechanism increases the stability of the connection between the grip and the nozzle, distributing the stress on the quick-connect coupling and preventing leaks during prolonged use. Attached Figure Description

[0019] Figure 1A schematic diagram of the overall structure of the probe for the gas and electricity testing station provided by this utility model;

[0020] Figure 2 A schematic diagram of the connecting pipe structure for the probe structure of the gas-electric detection station provided by this utility model;

[0021] Figure 3 A schematic diagram of the nozzle structure of the probe for the gas-electric detection station provided by this utility model;

[0022] Figure 4 A schematic diagram of the sleeve structure of the probe structure for the gas and electricity testing station provided by this utility model;

[0023] Figure 5 The probe structure for the gas and electricity testing station provided by this utility model Figure 4 Enlarged view of the structure at point A;

[0024] Figure 6 A schematic diagram of the support plate structure for the probe structure of the gas and electricity testing station provided by this utility model.

[0025] The image shows:

[0026] 1. Grip; 2. Nozzle; 3. Quick connector; 4. Buffer mechanism; 5. Guide head; 6. Detachable support mechanism; 7. Air tube; 101. Connecting tube; 102. Anti-slip sleeve; 103. Connector; 104. Mounting base; 105. Recording button; 401. Sleeve; 402. Slide rod; 403. First limit block; 404. Second limit block; 405. Spring; 406. Screw hole; 601. Connecting plate; 602. Support plate; 603. Support sleeve; 604. Mounting hole. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model.

[0028] Therefore, the following detailed description of the embodiments of this utility model is not intended to limit the scope of the claimed utility model, but merely to illustrate some embodiments of the utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0029] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.

[0030] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0031] In the description of this utility model, it should be noted that the terms "upper," "lower," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use, or the orientation or positional relationship commonly understood by those skilled in the art. These terms 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, and therefore should not be construed as a limitation on this utility model. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0032] like Figures 1-6 As shown, this embodiment proposes a probe structure for a pneumatic testing station, including a gripping part 1 and a nozzle 2. A buffer mechanism 4 is threadedly connected to the bottom end of the nozzle 2, and a guide head 5 is threadedly connected to the bottom end of the buffer mechanism 4. The diameters of both the buffer mechanism 4 and the guide head 5 are smaller than the diameter of the nozzle 2. By setting the buffer mechanism 4 and the guide head 5, when the nozzle 2 fails to directly insert into the test hole on the workpiece, the buffer mechanism 4 and the guide head 5 can prevent the nozzle 2 from directly impacting the workpiece, protecting the nozzle 2 from deformation and damage. Simultaneously, the buffer mechanism 4 can absorb part of the impact force, preventing damage to the surface of the workpiece due to the impact of the nozzle 2. The gripping part 1 and the nozzle 2 are detachably connected via a quick connector 3. The top of the grip 1 is connected to an air tube 7 that cooperates with the nozzle 2. The quick connector 3 has a detachable support mechanism 6 on its outer side, with its two ends respectively installed on the grip 1 and the nozzle 2. By setting the quick connector 3 and the detachable support mechanism 6, it is convenient to disassemble and install the grip 1 and the nozzle 2 during use, so as to facilitate the quick replacement of the nozzle 2 and shorten the maintenance time. At the same time, if either the grip 1 or the nozzle 2 is damaged, it can be replaced separately, thereby reducing maintenance costs. The detachable support mechanism 6 can increase the stability of the connection between the grip 1 and the nozzle 2 and share the force of the quick connector 3, thereby preventing the quick connector 3 from leaking during long-term use.

[0033] like Figure 1 and Figure 2As shown, in a preferred embodiment, based on the above method, the gripping part 1 further includes a connecting tube 101, with a connector 103 for connecting to the air tube 7 mounted at the top end of the connecting tube 101, and an anti-slip sleeve 102 sleeved on the outer side of the connecting tube 101. It should be noted that the connecting tube 101 and connector 103 facilitate air supply to the nozzle 2 via the air tube 7 and quick connector 3, while the anti-slip sleeve 102 prevents the user from slipping during use.

[0034] like Figure 1 and Figure 2 As shown, in a preferred embodiment, based on the above method, a mounting base 104 located on one side of the anti-slip sleeve 102 is further fixedly installed on the outer side of the connecting pipe 101, and a recording button 105 is installed on the mounting base 104. It should be noted that, in use, the recording button 105 is connected to the measuring instrument via a guide. When the recording button 105 is pressed, the measuring instrument will record the current value. The mounting base 104 facilitates the installation of the recording button 105.

[0035] like Figure 1 , Figure 2 and Figure 3 As shown, in a preferred embodiment, based on the above method, the quick connector 3 further includes a male connector and a female connector. The female connector is installed at the bottom end of the connecting pipe 101, and the male connector is installed at the top end of the nozzle 2. It should be noted that, during use, the male and female connectors facilitate the quick connection and disconnection of the gripping part 1 and the nozzle 2.

[0036] like Figures 1-4 As shown, in a preferred embodiment, based on the above method, the buffer mechanism 4 further includes a sleeve 401 and a slide rod 402 that are slidably connected. A first limiting block 403 and a second limiting block 404 are respectively connected to both ends of the slide rod 402. The sleeve 401 has a groove inside that cooperates with the slide rod 402 and the first limiting block 403. A spring 405 is installed on the outside of the slide rod 402, located between the second limiting block 404 and the bottom end of the sleeve 401. It should be noted that the groove facilitates the sliding connection between the slide rod 402 and the first limiting block 403 and the sleeve 401. The spring 405 helps to buffer and relieve force in conjunction with the sleeve 401 and the slide rod 402. The second limiting block 404 prevents the spring 405 from falling off the slide rod 402.

[0037] like Figures 2-5As shown, in a preferred embodiment, based on the above method, the bottom end of the second limiting block 404 is further provided with a screw hole 406 that cooperates with the top screw of the guide head 5. The guide head 5 is threadedly connected to the second limiting block 404 through the screw and the screw hole 406. It should be noted that the screw and screw hole 406 facilitate the installation of the guide head 5 on the second limiting block 404, and also facilitate the disassembly and replacement of the guide head 5 during use.

[0038] like Figure 1 , Figure 2 and Figure 6 As shown, in a preferred embodiment, based on the above method, the detachable support mechanism 6 further includes a connecting plate 601 installed on the outside of the connecting pipe 101 and a support sleeve 603 installed on the outside of the nozzle 2. Two symmetrical support plates 602 are installed at the bottom of the connecting plate 601. Mounting holes 604 are provided in the middle of both the connecting plate 601 and the support sleeve 603. It should be noted that the mounting holes 604 facilitate the installation of the connecting plate 601 and the support sleeve 603 on the connecting pipe 101 and the nozzle 2 respectively. The support plates 602 facilitate the sharing of the force on the quick connector 3 with the connecting plate 601 and the support sleeve 603, thereby better protecting the quick connector 3.

[0039] Specifically, the working principle of the probe structure of this gas and electricity testing station is as follows: Before use, the air pipe 7 connected to the grip 1 is connected to the external air source, so that the nozzle 2 can be supplied with air through the grip 1. During use, the grip 1 and the nozzle 2 are connected through the quick connector 3. During the measurement process, when the nozzle 2 fails to be inserted smoothly into the test hole of the workpiece, the buffer mechanism 4 will buffer it, so as to avoid the nozzle 2 directly hitting the workpiece. During the measurement process, pressing the record button 105 connected to the measuring instrument can record the current measurement data.

[0040] The above embodiments are only used to illustrate the present utility model and are not intended to limit the technical solutions described in the present utility model. Although the present utility model has been described in detail with reference to the above embodiments, the present utility model is not limited to the specific embodiments described above. Therefore, any modifications or equivalent substitutions to the present utility model, and all technical solutions and improvements that do not depart from the spirit and scope of the invention, are covered within the scope of the claims of the present utility model.

Claims

1. A probe structure for a pneoelectric detection station, comprising a holding portion (1) and a nozzle (2), characterized in that, The bottom end of the nozzle (2) is threadedly connected with a buffer mechanism (4), the bottom end of the buffer mechanism (4) is threadedly connected with a guide head (5), the diameters of the buffer mechanism (4) and the guide head (5) are all smaller than the diameter of the nozzle (2), the holding part (1) and the nozzle (2) are detachably connected through a quick connector (3), the top end of the holding part (1) is connected with an air pipe (7) matched with the nozzle (2), and the outer side of the quick connector (3) is provided with a detachable supporting mechanism (6) mounted at two ends on the holding part (1) and the nozzle (2) respectively.

2. The probe structure for a pneoelectric detection station according to claim 1, wherein The holding part (1) comprises a connecting pipe (101), the top end of the connecting pipe (101) is provided with a connecting head (103) for connecting the air pipe (7), and the outer side of the connecting pipe (101) is provided with an anti-skid sleeve (102).

3. The probe structure for a pneoelectric detection station according to claim 2, wherein The outer side of the connecting pipe (101) is fixedly provided with a mounting seat (104) located at one side of the anti-skid sleeve (102), and the mounting seat (104) is provided with a recording button (105).

4. The probe structure for a pneoelectric detection station according to claim 3, wherein The quick connector (3) comprises a male connector and a female connector, the female connector is mounted at the bottom end of the connecting pipe (101), and the male connector is mounted at the top end of the nozzle (2).

5. The probe structure for a pneoelectric detection station of claim 1, wherein, The buffer mechanism (4) comprises a sleeve (401) and a sliding rod (402) in sliding connection, both ends of the sliding rod (402) are connected with a first limiting block (403) and a second limiting block (404) respectively, the inner side of the sleeve (401) is provided with a sliding groove matched with the sliding rod (402) and the first limiting block (403), and the outer side of the sliding rod (402) is provided with a spring (405) located between the second limiting block (404) and the bottom end of the sleeve (401).

6. The probe structure for a pneoelectric detection station according to claim 5, wherein The bottom end of the second limiting block (404) is provided with a threaded hole (406) matched with the top screw rod of the guide head (5), and the guide head (5) is threadedly connected with the second limiting block (404) through the screw rod and the threaded hole (406).

7. The probe structure for a pneoelectric detection station of claim 4, wherein, The detachable supporting mechanism (6) comprises a connecting plate (601) mounted on the outer side of the connecting pipe (101) and a supporting sleeve (603) mounted on the outer side of the nozzle (2), the bottom of the connecting plate (601) is provided with two symmetrical supporting plates (602), and the middle parts of the connecting plate (601) and the supporting sleeve (603) are provided with mounting holes (604).

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