Nitrogen spring guide ring inner diameter detection device

Abstract

The utility model discloses a nitrogen spring guide ring inner diameter detection device, and relates to the technical field of nitrogen springs. The device comprises a fixed rod, wherein a limiting mechanism and an adjusting mechanism are arranged on the fixed rod; the limiting mechanism comprises a measuring scale slidably connected in the fixing rod, the left side of the measuring scale is fixedly connected with a first limiting block, the front side of the fixing rod is fixedly connected with a second limiting block, the inner wall of the fixing rod is slidably connected with a triangular block, and the adjusting mechanism comprises a second spring arranged in the fixing rod. According to the utility model, the limiting mechanism is arranged, so that the problems that the measurement data is unstable in reading, the accurate value is difficult to determine and the measurement accuracy is low due to slight vibration of the external environment or slight shaking of the hand of a detector during operation, and the measurement scale is extremely easy to shake or uncontrolled sliding are solved; therefore, the generated measurement error seriously affects the accuracy of judging the inner diameter size of the guide ring, so that a large number of qualified products are possibly misjudged to be unqualified.

Description

TECHNICAL FIELD

[0001] The utility model belongs to nitrogen spring technical field, especially relates to a nitrogen spring guide ring inner diameter detection device. BACKGROUND

[0002] With the manufacturing industry to high -end, intelligent advancement, the performance requirement of nitrogen spring is constantly promoted, this promotes the guide ring inner diameter size precision control more strictly, simultaneously, market competition is increasingly fierce, and enterprises need to improve production efficiency to reduce cost, and the quick, accurate detection guide ring inner diameter becomes the key link of guaranteeing product quality and production benefit, under this background, research and development a kind of nitrogen spring guide ring inner diameter detection device of high precision, high efficiency and strong universality is imminent.

[0003] But the nitrogen spring guide ring inner diameter detection device of existing in the prior art has the following disadvantages: the slight vibration of external environment, or the slight tremor of hand when detecting personnel operates, the measuring scale is prone to shaking or uncontrollable sliding, not only leads to the measurement data when reading big or small, it is difficult to determine accurate value, the measurement error thus generated seriously influences the accuracy of the judgment to guide ring inner diameter size, leads to a large number of qualified products possibly being misjudged as unqualified. UTILITY MODEL CONTENTS

[0004] The utility model discloses a nitrogen spring guide ring inner diameter detection device, by setting the limiting mechanism, the slight vibration of external environment, or the slight tremor of hand when detecting personnel operates, the measuring scale is prone to shaking or uncontrollable sliding, not only leads to the measurement data when reading big or small, it is difficult to determine accurate value, the measurement error thus generated seriously influences the accuracy of the judgment to guide ring inner diameter size, leads to a large number of qualified products possibly being misjudged as unqualified problem.

[0005] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0006] The utility model discloses a nitrogen spring guide ring inner diameter detection device, including fixed link, be provided with limiting mechanism and adjusting mechanism on the fixed link;

[0007] The limiting mechanism includes the measuring scale slidingly connected in the fixed link, the left side fixed connection of the measuring scale is limited block no.

[0008] Further, the triangular block is slidingly connected with a sliding block, the rear side of the sliding block is fixedly connected with a limiting block three, and the limiting block three is in contact with the triangular block.

[0009] Further, the front side of the limiting block three is fixedly connected with a push block, and the fixed rod is slidably connected with a limiting block four.

[0010] Further, the bottom of the limiting block four is fixedly connected with a pull rod, the bottom of the pull rod extends to the outside of the fixed rod, the outer wall of the pull rod is sleeved with a spring one, the top of the spring one is fixedly connected with the fixed rod, and the bottom of the spring one is fixedly connected with the pull rod.

[0011] Further, the right side of the fixed rod is communicated with a gas pressure pipe, and the right side of the gas pressure pipe is fixedly connected with a connecting ring.

[0012] Further, the right side of the connecting ring is fixedly connected with an inflatable ball, and the outer wall of the connecting ring is communicated with a deflation pipe.

[0013] Further, a plurality of deflation openings are formed in the deflation pipe, and the outer wall of the deflation pipe is threadedly connected with a flow limiting pipe.

[0014] The utility model has the following beneficial effects:

[0015] 1. By setting the limiting mechanism, pushing the push block after the size is determined, the slider on the limiting block three will slide on the triangular block at this time, the limiting block four will be extruded outward when the push block is pushed, the pull rod and the spring one will also move outward at this time, along with the continuous sliding of the push block and the limiting block three, the limiting block four will be passed, the spring one will pull the pull rod to slide into the fixed rod at this time, and then the limiting block four will block the limiting block three, the friction force of the measuring ruler will be increased after the limiting block four blocks the limiting block three, so that the sliding of the measuring ruler is limited, and the size on the measuring ruler can be observed after the limitation is completed, so as to judge whether the guide ring is qualified or not, so that the effect of detecting the guide ring can be achieved, the friction force of the measuring ruler is increased to limit the sliding, the stability of the measuring ruler during measurement can be ensured, the measurement error caused by the shaking or sliding of the measuring ruler can be avoided, and the measurement accuracy can be improved.

[0016] 2、By setting the adjusting mechanism, the inner wall of the guide ring is contacted by the limiting block one and the limiting block two, the inner diameter of the guide ring is measured, when the limiting block one and the limiting block two are not fully contacted with the inner wall of the guide ring, the inflatable ball can be pinched, at this time the inflatable ball will inflate the fixed rod through the air pressure pipe, with the continuous inflation, the air pressure in the fixed rod will increase, then the measuring scale will slide with the limiting block one, so that the limiting block one is fully contacted with the inner diameter of the guide ring, when checking the outer diameter, the guide ring is placed between the limiting block one and the limiting block two, after the placement is completed, the flow limiting pipe is rotated, at this time the flow limiting pipe is rotated in the air release pipe, with the continuous rotation, the air release port will leak out, then the air pressure in the fixed rod will leak out, thereby the spring two will slide the measuring scale in the fixed rod, so that the limiting block one approaches the limiting block two, thereby the outer diameter of the guide ring is clamped, so that it is fully attached to the guide ring, thereby the inner and outer diameters of the guide ring can be measured, the air pressure release and spring retraction are used to make the limiting block attached to the outer diameter, the close contact during measurement is ensured, the measurement accuracy is effectively improved, and the measurement error caused by insufficient contact is reduced.

[0017] Of course, any product implementing the present application does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0019] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0020] Figure 2 It is a schematic diagram of the partial cross-sectional structure of the overall structure of the present application;

[0021] Figure 3 It is a schematic diagram of the partial cross-sectional structure of the rear side of the present application;

[0022] Figure 4 It is a schematic diagram of the partial cross-sectional structure of the limiting mechanism of the present application;

[0023] Figure 5 It is a schematic diagram of the partial cross-sectional structure of the adjusting mechanism of the present application;

[0024] Figure 6 It is a schematic diagram of the present application Figure 2 It is an enlarged structure schematic diagram of A of the present application;

[0025] Figure 7 It is a schematic diagram of the present applicationFigure 3 A magnified structural diagram of B in the diagram.

[0026] The attached diagram lists the components represented by each number as follows:

[0027] 1. Fixed rod; 2. Limiting mechanism; 211. Measuring ruler; 212. Limiting block one; 213. Limiting block two; 214. Triangular block; 215. Sliding block; 216. Limiting block three; 217. Push block; 218. Limiting block four; 219. Pull rod; 2110. Spring one; 3. Adjusting mechanism; 311. Spring two; 312. Air pressure pipe; 313. Connecting ring; 314. Inflatable ball; 315. Vent pipe; 316. Vent port; 317. Flow limiting pipe. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Please see Figures 1-7 As shown, this utility model is a nitrogen spring guide ring inner diameter detection device, including a fixed rod 1. A limiting mechanism 2 and an adjusting mechanism 3 are provided on the fixed rod 1. The limiting mechanism 2 includes a measuring scale 211 slidably connected inside the fixed rod 1. A limiting block 212 is fixedly connected to the left side of the measuring scale 211, and a limiting block 213 is fixedly connected to the front side of the fixed rod 1. A triangular block 214 is slidably connected to the inner wall of the fixed rod 1. A slider 215 is slidably connected inside the triangular block 214. A limiting block 216 is fixedly connected to the rear side of the slider 215. The limiting block 216 contacts the triangular block 214. The front of the limiting block 216... A push block 217 is fixedly connected to the side, and a limit block 218 is slidably connected to the fixed rod 1. A pull rod 219 is fixedly connected to the bottom of the limit block 218. The bottom of the pull rod 219 extends outside the fixed rod 1. A spring 2110 is sleeved on the outer wall of the pull rod 219. The top of the spring 2110 is fixedly connected to the fixed rod 1, and the bottom of the spring 2110 is fixedly connected to the pull rod 219. By setting the limit mechanism 2, the friction force on the measuring ruler is increased to limit its sliding, which can ensure that the measuring ruler remains stable during measurement and avoid measurement errors caused by the shaking or sliding of the measuring ruler, thereby improving the accuracy of measurement.

[0030] The adjustment mechanism 3 includes a second spring 311 installed inside the fixed rod 1. The left side of the second spring 311 is fixedly connected to the measuring ruler 211, and the right side of the second spring 311 is fixedly connected to the inner wall of the fixed rod 1. A pneumatic tube 312 is connected to the right side of the fixed rod 1. A connecting ring 313 is fixedly connected to the right side of the pneumatic tube 312. An inflatable ball 314 is fixedly connected to the right side of the connecting ring 313. A venting pipe 315 is connected to the outer wall of the connecting ring 313. Several venting ports 316 are opened on the venting pipe 315. A flow-limiting pipe 317 is threadedly connected to the outer wall of the venting pipe 315. By setting the adjustment mechanism 3, the limit block is made to fit the outer diameter by releasing the pneumatic pressure and retracting the spring, ensuring close contact during measurement, effectively improving the accuracy of measurement, and reducing measurement errors caused by insufficient contact.

[0031] One specific application of this embodiment is as follows: First, the inner walls of the guide ring are brought into contact with the first limiting block 212 and the second limiting block 213 to measure the inner diameter of the guide ring. Before the first limiting block 212 and the second limiting block 213 are fully in contact with the inner wall of the guide ring, the inflatable ball 314 can be squeezed. At this time, the inflatable ball 314 will inflate the fixed rod 1 through the air pressure tube 312. As the inflation continues, the air pressure in the fixed rod 1 will increase, and then the measuring ruler 211 will slide along with the first limiting block 212. Move the limiting block 212 until it is fully in contact with the inner diameter of the guide ring. When checking the outer diameter, place the guide ring between the limiting block 212 and the limiting block 213. After placement, rotate the flow limiting tube 317. At this time, the flow limiting tube 317 will rotate in the vent tube 315. With continuous rotation, the vent 316 will leak, and then the air pressure in the fixed rod 1 will be released. As a result, the spring 211 will pull the measuring ruler 211 to slide in the fixed rod 1, causing the limiting block 212 to move towards the limit. When block 213 approaches, it will lock the outer diameter of the guide ring, ensuring a complete fit. This allows for the measurement of the inner and outer diameters of the guide ring. Once the size is determined, push block 217 is pushed. At this time, slider 215 on limit block 3 216 will slide on triangular block 214. When push block 217 is pushed, limit block 4 218 will be pushed outward. At this time, pull rod 219 and spring 1 2110 will also move outward. As push block 217 and limit block 3 216 continue to move... The slide can pass through the limit block 4 218. At this time, the spring 1 2110 will pull the pull rod 219 to slide into the fixed rod 1. Then the limit block 4 218 will lock the limit block 3 216. After the limit block 4 218 locks the limit block 3 216, it will increase the friction on the measuring ruler 211, thereby restricting the sliding of the measuring ruler 211. After the restriction is completed, the size on the measuring ruler 211 can be observed to determine whether the guide ring is qualified, thus achieving the effect of inspecting the guide ring.

[0032] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0033] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A nitrogen spring guide ring inner diameter detection device, characterized in that: It includes a fixed rod (1), on which a limit mechanism (2) and an adjustment mechanism (3) are provided; The limiting mechanism (2) includes a measuring ruler (211) slidably connected in the fixed rod (1). A limiting block (212) is fixedly connected to the left side of the measuring ruler (211). A limiting block (213) is fixedly connected to the front side of the fixed rod (1). A triangular block (214) is slidably connected to the inner wall of the fixed rod (1). The adjusting mechanism (3) includes a spring (311) set in the fixed rod (1). The left side of the spring (311) is fixedly connected to the measuring ruler (211), and the right side of the spring (311) is fixedly connected to the inner wall of the fixed rod (1).

2. The nitrogen spring guide ring inner diameter detection device according to claim 1, characterized in that, A slider (215) is slidably connected inside the triangular block (214). A limiting block three (216) is fixedly connected to the rear side of the slider (215). The limiting block three (216) is in contact with the triangular block (214).

3. The nitrogen spring guide ring inner diameter detection device according to claim 2, characterized in that, A push block (217) is fixedly connected to the front side of the limiting block three (216), and a limiting block four (218) is slidably connected to the fixing rod (1).

4. The nitrogen spring guide ring inner diameter detection device according to claim 3, characterized in that, The bottom of the limiting block four (218) is fixedly connected to a pull rod (219). The bottom of the pull rod (219) extends to the outside of the fixed rod (1). A spring one (2110) is sleeved on the outer wall of the pull rod (219). The top of the spring one (2110) is fixedly connected to the fixed rod (1), and the bottom of the spring one (2110) is fixedly connected to the pull rod (219).

5. The nitrogen spring guide ring inner diameter detection device according to claim 4, characterized in that, A pneumatic pipe (312) is connected to the right side of the fixed rod (1), and a connecting ring (313) is fixedly connected to the right side of the pneumatic pipe (312).

6. The nitrogen spring guide ring inner diameter detection device according to claim 5, characterized in that, An inflatable ball (314) is fixedly connected to the right side of the connecting ring (313), and a vent pipe (315) is provided on the outer wall of the connecting ring (313).

7. The nitrogen spring guide ring inner diameter detection device according to claim 6, characterized in that, The vent pipe (315) has several vent ports (316), and the outer wall of the vent pipe (315) is threadedly connected to a flow-limiting pipe (317).

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