Pin gauge rapid detection assembly and pin gauge detection mechanism

Abstract

The utility model provides a pin gauge rapid detection assembly and a pin gauge detection mechanism, the pin gauge rapid detection assembly comprises a screw rod body, a go gauge nut, a no-go gauge nut and a plurality of chuck members, the go gauge nut sleeves a first connection portion, and the no-go gauge nut sleeves a second connection portion; the go gauge nut is provided with a first accommodating cavity and a first via hole which are communicated with each other, the no-go gauge nut is provided with a second accommodating cavity and a second via hole which are communicated with each other, and the no-go gauge chuck piece is mounted in the first accommodating cavity, so that the fixed end of the no-go gauge detection piece is clamped and fixed on the no-go gauge chuck piece through the first via hole; the go gauge chuck piece is installed in the second accommodating cavity, so that the fixed end of the go gauge detection piece is clamped and fixed on the go gauge chuck piece through the second via hole; when the inner hole of the hardware part is detected, the pin gauge rapid detection assembly is directly used to carry out go / no-go gauge detection on the inner hole of the hardware part, so that the condition that the go gauge detection member and the no-go gauge detection member are repeatedly picked up is avoided, and the work efficiency of the go / no-go gauge detection on the inner hole of the hardware part is improved.

Description

Technical Field

[0001] This disclosure relates to the technical field of hardware parts, and in particular to a needle gauge rapid inspection component and needle gauge inspection mechanism. Background Technology

[0002] In the precision manufacturing process of the hardware industry, after the hardware parts are manufactured, it is crucial to accurately inspect their internal hole dimensions to meet the stringent requirements of product design. In this process, pin gauges and go / no-go gauges, as key inspection tools, play a vital role in determining whether the internal holes conform to specifications and standards.

[0003] However, a common challenge in practice is that when inspecting the go and no-go gauges of the inner holes of hardware parts, because there are many inner holes to inspect, when selecting the go and no-go gauges suitable for the inner hole size, it is necessary to take a special pin gauge to inspect the inner hole. However, after inspecting the go or no-go gauge of one inner hole, if the next inner hole to be inspected is not the pin gauge that matches the one on hand, it is necessary to take the matching pin gauge from the workbench to inspect the inner hole. The repetitive actions have affected the operator's inspection speed, and the action of taking the pin gauge also consumes the operator's energy, which seriously affects the efficiency and flow of the inspection work. Utility Model Content

[0004] The purpose of this disclosure is to overcome the shortcomings of the prior art and provide a needle gauge rapid inspection component and needle gauge inspection mechanism for conveniently inspecting the internal bore go and no-go gauges of parts.

[0005] The purpose of this disclosure is achieved through the following technical solution:

[0006] A rapid detection assembly for pin gauges includes a screw body, a go gauge nut, a no-go gauge nut, a no-go gauge chuck, and a go gauge chuck. The screw body further includes a first connecting portion and a second connecting portion, the first connecting portion being disposed at one end of the screw body, and the second connecting portion being disposed at the other end of the screw body.

[0007] The go gauge nut is sleeved on the first connecting part, and the no-go gauge nut is sleeved on the second connecting part; the go gauge nut has a first accommodating cavity and a first through hole that are connected, and the no-go gauge nut has a second accommodating cavity and a second through hole that are connected; the no-go gauge chuck is installed in the first accommodating cavity, so that the fixed end of the no-go gauge test piece is clamped and fixed to the no-go gauge chuck through the first through hole; the go gauge chuck is installed in the second accommodating cavity, so that the fixed end of the go gauge test piece is clamped and fixed to the go gauge chuck through the second through hole.

[0008] In one embodiment, the go gauge nut is detachably connected to the first connecting part, and the no-go gauge nut is detachably connected to the second connecting part.

[0009] In one embodiment, the first connecting portion is provided with a first thread, and one end of the go gauge nut is screwed into the first thread; the second connecting portion is provided with a second thread, and one end of the no-go gauge nut is screwed into the second thread.

[0010] In one embodiment, the outer surface of the go gauge nut is formed with an iron-based oxide layer, and the outer surface of the no-go gauge nut is formed with a copper-based oxide layer.

[0011] In one embodiment, the no-go gauge chuck has a no-go gauge clamping opening, and the go gauge chuck has a go gauge clamping opening at one end. The go gauge clamping opening is located at one end away from the screw body, and the no-go gauge clamping opening is located at the other end away from the screw body. The go gauge clamping opening forms tension to clamp the go gauge detection piece, and the no-go gauge clamping opening forms tension to clamp the no-go gauge detection piece.

[0012] In one embodiment, the no-go gauge chuck also has a plurality of circumferentially spaced no-go gauge clamping slots, all of which are connected to the no-go gauge clamping opening, the diameter of which is smaller than the diameter of the fixed end of the no-go gauge detection element; the go gauge chuck also has a plurality of circumferentially spaced go gauge clamping slots, all of which are connected to the go gauge clamping opening, the diameter of which is smaller than the diameter of the fixed end of the go gauge detection element.

[0013] In one embodiment, the screw body, the no-go gauge chuck, and the go gauge chuck are integrally formed.

[0014] In one embodiment, the screw body is provided with a handle portion, which is located between the first connecting portion and the second connecting portion. One end of the handle portion is connected to the first connecting portion, and the other end of the handle portion is connected to the second connecting portion.

[0015] A needle gauge inspection mechanism includes the needle gauge rapid inspection component described in any of the above embodiments.

[0016] Compared with the prior art, this disclosure has at least the following advantages:

[0017] Because the screw body has a first connecting part and a second connecting part, the first connecting part is located at one end of the screw body, and the second connecting part is located at the other end of the screw. The go gauge nut is connected to the first connecting part, and the no-go gauge nut is connected to the second connecting part. The go gauge chuck is installed in the first receiving cavity through the first through hole, and the no-go gauge chuck is installed in the second receiving cavity through the second through hole. The go gauge chuck clamps the go gauge test piece and fixes it to the go gauge nut, and the no-go gauge chuck clamps the no-go gauge test piece and fixes it to the no-go gauge nut. This allows the go gauge test piece and the no-go gauge test piece to be installed in the go gauge nut and the no-go gauge nut respectively. Simultaneously, the go gauge nut and the no-go gauge nut are connected to both ends of the screw body. The go gauge chuck clamps and holds the go gauge test piece... The first receiving cavity of the go gauge nut is installed, so that the fixed end of the go gauge test piece is clamped and fixed to the go gauge chuck through the second through hole. The no-go gauge chuck clamps and installs the no-go gauge test piece in the second receiving cavity of the no-go gauge nut, so that the fixed end of the no-go gauge test piece is clamped and fixed to the no-go gauge chuck through the second through hole. This makes the go gauge test piece and the no-go gauge test piece integrated with the screw body. When inspecting the inner hole of hardware parts, the pin gauge quick inspection assembly can be used directly to inspect the inner hole of hardware parts for go and no-go gauges. This avoids the situation of repeatedly picking up the go gauge test piece and the no-go gauge test piece, avoids the situation of repeated actions affecting the operator's inspection speed, and improves the work efficiency of inspecting the inner hole of hardware parts for go and no-go gauges. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this disclosure, the accompanying drawings used in the embodiments will be briefly described below. It should be understood that the following drawings only show some embodiments of this disclosure and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of a needle gauge rapid detection component according to an embodiment of the present disclosure;

[0020] Figure 2 for Figure 1 The diagram shows the structure of the screw body;

[0021] Figure 3 for Figure 1 The diagram shows the structure of the go gauge clamp.

[0022] Reference numerals: 10, Pin gauge quick detection assembly; 100, Screw body; 110, First connecting part; 1110, First thread; 120, Second connecting part; 1210, Second thread; 130, Handheld part; 200, Go gauge nut; 210, Iron-based oxide layer; 220, First receiving cavity; 230, First through hole; 300, No-go gauge nut; 310, Copper-based oxide layer; 320, Second receiving cavity; 330, Second through hole; 400, Go gauge detection piece; 500, No-go gauge detection piece; 600, Go gauge chuck; 610, Go gauge clamping opening; 620, Go gauge clamping slot; 700, No-go gauge chuck; 710, No-go gauge clamping opening; 720, No-go gauge clamping slot. Detailed Implementation

[0023] To facilitate understanding of this disclosure, a more complete description will be given below with reference to the accompanying drawings, which illustrate preferred embodiments of the present disclosure. However, this disclosure can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure.

[0024] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of this disclosure. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0026] To better understand the technical solutions and beneficial effects of this disclosure, the following detailed description is provided in conjunction with specific embodiments:

[0027] like Figure 1 As shown, a needle gauge rapid detection assembly according to an embodiment is characterized by comprising a screw body 100, a go gauge nut 200, a no-go gauge nut 300, a no-go gauge chuck 700, and a go gauge chuck 600. The screw body 100 further comprises a first connecting portion 110 and a second connecting portion 120, the first connecting portion 110 being disposed at one end of the screw body 100, and the second connecting portion 120 being disposed at the other end of the screw body 100.

[0028] The go gauge nut 200 is sleeved on the first connecting part 110, and the no-go gauge nut 300 is sleeved on the second connecting part 120. The go gauge nut 200 has a first accommodating cavity 220 and a first through hole 230 that are connected to each other, and the no-go gauge nut 300 has a second accommodating cavity 320 and a second through hole 330 that are connected to each other. The go gauge chuck 600 is installed in the first accommodating cavity 220, so that the fixed end of the go gauge detection piece 400 is clamped and fixed to the go gauge chuck 600 through the first through hole 230. The no-go gauge chuck 700 is installed in the second accommodating cavity 320, so that the fixed end of the no-go gauge detection piece 500 is clamped and fixed to the no-go gauge chuck 700 through the second through hole 330.

[0029] This is understandable, because the screw body 100 is provided with a first connecting part 110 and a second connecting part 120. The first connecting part 110 is located at one end of the screw body 100, and the second connecting part 120 is located at the other end of the threaded rod. The go gauge nut 200 is connected to the first connecting part 110, and the no-go gauge nut 300 is connected to the second connecting part 120. The go gauge chuck 600 is installed in the first receiving cavity 220 through the first through hole 230, and the no-go gauge chuck 700 is installed through... The second through hole 330 is installed within the second receiving cavity 320. A go gauge chuck 600 clamps the go gauge 400 and fixes it to the go gauge nut 200. A no-go gauge chuck 700 clamps the no-go gauge 500 and fixes it to the no-go gauge nut 300. This ensures that the go gauge 400 and no-go gauge 500 are respectively installed in the go gauge nut 200 and the no-go gauge nut 300, while the go gauge nut 200 and the no-go gauge nut 300 are connected to both ends of the screw body 100. The go gauge chuck 600 clamps and installs the go gauge 400 in the first receiving cavity 220 of the go gauge nut 200, so that the fixed end of the go gauge 400 is clamped and fixed to the go gauge chuck 600 through the second through hole 330. The no-go gauge chuck 700 clamps and installs the no-go gauge 500 in the second receiving cavity 320 of the no-go gauge nut 300, so that the fixed end of the no-go gauge 500 is clamped and fixed to the no-go gauge chuck 600 through the second through hole 330. The head part 700 integrates the go gauge 400 and the no-go gauge 500 with the screw body 100. When inspecting the inner hole of a hardware part, the pin gauge quick inspection assembly 10 can be used directly to inspect the inner hole of the hardware part for go and no-go gauges. This avoids the need to repeatedly pick up the go gauge 400 and the no-go gauge 500, and avoids the situation where repetitive actions affect the operator's inspection speed, thereby improving the work efficiency of inspecting the inner hole of hardware parts for go and no-go gauges.

[0030] Combination Figure 1 and Figure 2As shown, in one embodiment, the go-go nut 200 is detachably connected to the first connecting portion 110, and the no-go nut 300 is detachably connected to the second connecting portion 120. It can be understood that by detachably connecting the go-go nut 200 and the no-go nut 300 to the first connecting portion 110 and the second connecting portion 120 respectively, the go-go nut 200 and the no-go nut 300 can be disassembled. When the operator replaces the original go-go gauge 400 and no-go gauge 500, the go-go nut 200 and the no-go nut 300 can be separated, and a new matching gauge can be installed, thereby meeting diverse testing needs. The detachable connection method of the go-go nut 200 and the no-go nut 300...

[0031] Combination Figure 1 and Figure 2 As shown, further, the first connecting portion 110 is provided with a first thread 1110, and the inner cavity of the go gauge nut 200 is screwed into the first thread 1110; the second connecting portion 120 is provided with a second thread 1210, and the inner cavity of the no-go gauge nut 300 is screwed into the second thread 1210. In this embodiment, by providing the first thread 1110 to the first connecting portion 110 and screwing the inner cavity of the go gauge nut 200 into the first thread 1110; and by providing the second thread 1210 to the second connecting portion 120 and screwing the inner cavity of the no-go gauge nut 300 into the second thread 1210, the connection between the go gauge nut 200 and the no-go gauge nut 300 and the screw body 100 is made tighter and more reliable. This ensures the stability of the needle gauge rapid detection assembly 10 during the detection process and avoids false detections caused by loosening, thereby improving detection accuracy and stability.

[0032] Combination Figure 1 and Figure 3 As shown, in one embodiment, the outer surface of the go nut 200 is formed with an iron-based oxide layer 210, and the outer surface of the no-go nut 300 is formed with a copper-based oxide layer 310. In this embodiment, because the go gauge nut 200 is provided with an iron-based oxide layer 210 and the no-go gauge nut 300 is provided with a copper-based oxide layer 310, when the pin gauge quick detection component 10 is used to detect the go and no-go gauges of the inner hole, the go gauge detection component 400 and the no-go gauge detection component 500 of the pin gauge can be distinguished by the color of the iron-based oxide layer 210 and the copper-based oxide layer 310. This avoids the situation where the operator cannot quickly and accurately identify the go gauge detection component 400 and the no-go gauge detection component 500 by visual inspection alone when selecting the pin gauge. The go gauge detection component 400 and the no-go gauge detection component 500 at both ends of the screw body 100 can be quickly identified by the iron-based oxide layer 210 and the copper-based oxide layer 310, which speeds up the efficiency and accuracy of the operator's inspection of the inner hole of the hardware parts, thereby greatly improving the smoothness of the entire production line.

[0033] Combination Figure 1 and Figure 3 As shown, in one embodiment, the no-go gauge chuck 700 has a no-go gauge clamping port 710, and the go gauge chuck 600 has a go gauge clamping port 610 at one end. The go gauge clamping port 610 is located at one end away from the screw body 100, and the no-go gauge clamping port 710 is located at the other end away from the screw body 100. The go gauge clamping port 610 forms tension to clamp the go gauge detection piece 400, and the no-go gauge clamping port 710 forms tension to clamp the no-go gauge detection piece 500. It is understandable that by providing a clamping opening at one end of the go gauge chuck 600, with the clamping opening located away from the screw body 100, the go gauge detection piece 400 is installed on the go gauge nut 200. This results in one end of the go gauge detection piece 400 protruding from the go gauge clamping opening 610. Simultaneously, the tension generated by the go gauge clamping opening 610 allows it to hold the go gauge detection piece 400, thereby further strengthening the fixation of the go gauge detection piece 400. By providing a clamping opening at one end of the stop gauge chuck 700, and with the stop gauge clamping opening 710 located at the other end away from the screw body 100, the stop gauge detection component 500 is installed on the stop gauge nut 300, so that one end of the stop gauge detection component 500 protrudes from the stop gauge clamping opening 710. At the same time, because the stop gauge clamping opening 710 generates tension, the stop gauge clamping opening 710 can clamp the stop gauge detection component 500, thereby further strengthening the fixation of the stop gauge detection component 500.

[0034] Combination Figure 1 and Figure 3As shown, in one embodiment, the no-go gauge chuck 700 also has a plurality of circumferentially spaced no-go gauge clamping slots 720, all of which communicate with the no-go gauge clamping opening 710. The diameter of the no-go gauge clamping opening 710 is smaller than the diameter of the fixed end of the no-go gauge detection member 500. The go gauge chuck 600 also has a plurality of circumferentially spaced go gauge clamping slots 620, all of which communicate with the go gauge clamping opening 610. The diameter of the go gauge clamping opening 610 is smaller than the diameter of the fixed end of the go gauge detection member 400. It can be understood that the no-go gauge chuck 700 not only has the no-go gauge clamping opening 710, but also has a plurality of circumferentially spaced no-go gauge clamping slots 720. All the no-go gauge clamping slots 720 communicate with the no-go gauge clamping opening 710, forming an elastic clamping structure. When the fixed end of the no-go gauge 500 is inserted into the no-go gauge clamping opening 710, the presence of the no-go gauge clamping slot 720 allows the no-go gauge chuck 700 to undergo a certain elastic deformation, thereby tightly clamping the no-go gauge 500. The diameter of the no-go gauge clamping opening 710 is designed to be smaller than the diameter of the fixed end of the no-go gauge 500 to ensure that the no-go gauge 500 can be firmly clamped in the no-go gauge chuck 700. Similarly, the go gauge chuck 600 not only has a go gauge clamping opening 610, but also has multiple go gauge clamping slots 620 distributed circumferentially. All the go gauge clamping slots 620 are connected to the go gauge clamping opening 610, forming an elastic clamping structure. When the fixed end of the go gauge 400 is inserted into the go gauge clamping opening 610, due to the presence of the go gauge clamping slots 620, the go gauge chuck 600 can undergo a certain elastic deformation, thereby tightly clamping the go gauge 400. The diameter of the go gauge clamping opening 610 is designed to be smaller than the diameter of the fixed end of the go gauge inspection piece 400 to ensure that the go gauge inspection piece 400 can be firmly clamped in the go gauge chuck piece 600.

[0035] Combination Figure 2 and Figure 3 As shown, in one embodiment, the screw body 100 and the go gauge chuck 600 are integrally formed. It can be understood that designing the screw body 100 and the go gauge chuck 600 as an integrally formed mechanism makes the structure of the screw body 100 and the go gauge chuck 600 more stable. The integrally formed structure strengthens the overall structure of the screw body 100 and the chuck, enhancing their durability.

[0036] Combination Figure 1 and Figure 2As shown, in one embodiment, the screw body 100 is provided with a handle 130, which is located between the first connecting portion 110 and the second connecting portion 120. One end of the handle 130 is connected to the first connecting portion 110, and the other end is connected to the second connecting portion 120. It can be understood that with the handle 130 on the screw body 100, one end of the handle 130 connected to the first connecting portion 110, and the other end connected to the second connecting portion 120, when the operator uses the pin gauge quick inspection assembly 10 to perform go / no-go gauge inspection on the inner hole of a hardware part, the screw body 100 is controlled to inspect the inner hole by holding the handle 130.

[0037] This application also includes a pin gauge inspection mechanism, comprising the pin gauge rapid inspection component 10 described in any of the above embodiments. It is understood that, simultaneously connecting the go gauge nut 200 and the no-go gauge nut 300 to both ends of the screw body 100, the go gauge chuck 600 clamps and installs the go gauge inspection piece 400 in the first receiving cavity 220 of the go gauge nut 200, so that the fixed end of the go gauge inspection piece 400 is clamped and fixed to the go gauge chuck 600 through the second through hole 330. The no-go gauge chuck 700 clamps and installs the no-go gauge inspection piece 500 in the second receiving cavity 320 of the no-go gauge nut 300, so that the no-go gauge... The fixed end of the inspection piece 500 is clamped and fixed to the no-go gauge chuck 700 through the second through hole 330, so that the go gauge inspection piece 400 and the no-go gauge inspection piece 500 are integrated with the screw body 100. When inspecting the inner hole of the hardware parts, the pin gauge quick inspection assembly 10 is used directly to inspect the inner hole of the hardware parts for go and no-go gauges, avoiding the situation of repeatedly picking up the go gauge inspection piece 400 and the no-go gauge inspection piece 500, and avoiding the situation where the repetitive actions affected the operator's inspection speed.

[0038] Compared with the prior art, this disclosure has at least the following advantages:

[0039] Because the screw body 100 is provided with a first connecting part 110 and a second connecting part 120, the first connecting part 110 is provided at one end of the screw body 100, and the second connecting part 120 is provided at the other end of the threaded rod. The go gauge nut 200 is connected to the first connecting part 110, and the no-go gauge nut 300 is connected to the second connecting part 120. The go gauge chuck 600 is installed in the first receiving cavity 220 through the first through hole 230, and the no-go gauge chuck 700 is installed through the second through hole. 330 is installed in the second receiving cavity 320. The go gauge chuck 600 clamps the go gauge 400 and fixes it to the go gauge nut 200. The no-go gauge chuck 700 clamps the no-go gauge 500 and fixes it to the no-go gauge nut 300. This ensures that the go gauge 400 and no-go gauge 500 are respectively installed in the go gauge nut 200 and the no-go gauge nut 300. Simultaneously, the go gauge nut 200 and the no-go gauge nut 300 are connected to both ends of the screw body 100. The collet 600 clamps and installs the go gauge 400 in the first receiving cavity 220 of the go gauge nut 200, so that the fixed end of the go gauge 400 is clamped and fixed to the go gauge collet 600 through the second through hole 330. The no-go gauge collet 700 clamps and installs the no-go gauge 500 in the second receiving cavity 320 of the no-go gauge nut 300, so that the fixed end of the no-go gauge 500 is clamped and fixed to the no-go gauge collet 600 through the second through hole 330. The design of 700 integrates the go gauge 400 and the no-go gauge 500 with the screw body 100. When inspecting the inner hole of a hardware part, the pin gauge quick inspection assembly 10 can be used directly to inspect the inner hole of the hardware part for go and no-go gauges. This avoids the need to repeatedly pick up the go gauge 400 and the no-go gauge 500, thus avoiding the repetitive actions that previously affected the operator's inspection speed and improving the work efficiency of inspecting the inner hole of hardware parts for go and no-go gauges.

[0040] The embodiments described above are merely illustrative of several implementations of this disclosure, and while the descriptions are 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 improvements without departing from the concept of this disclosure, and these all fall within the protection scope of this disclosure. Therefore, the protection scope of this patent should be determined by the appended claims.

Claims

1. A needle gauge quick detection assembly, characterized in that, The screw rod body further comprises a first connecting part and a second connecting part, the first connecting part is arranged at one end of the screw rod body, and the second connecting part is arranged at the other end of the screw rod body; The through-gauge nut is detachably connected to the first connecting part, and the stop-gauge nut is detachably connected to the second connecting part.

2. The needle gauge quick detection assembly of claim 1, wherein, The first connecting part is provided with a first thread, and one end of the through-gauge nut is screwed to the first thread.

3. The needle gauge quick detection assembly of claim 2, wherein, The outer surface of the through-gauge nut is formed with an iron-based oxidation layer, and the outer surface of the stop-gauge nut is formed with a copper-based oxidation layer.

4. The needle gauge quick detection assembly of claim 1, wherein, The stop-gauge chuck part is further provided with a plurality of stop-gauge clamping slits which are distributed at intervals in the circumferential direction, and the plurality of stop-gauge clamping slits are all in communication with the stop-gauge clamping port, and the diameter of the stop-gauge clamping port is smaller than the diameter of the fixed end of the stop-gauge detection piece.

5. The needle gauge quick detection assembly of claim 1, wherein, The screw rod body, the stop-gauge chuck part and the through-gauge chuck part are integrally formed.

6. The needle gauge quick detection assembly of claim 5, wherein, The screw rod body is provided with a hand-held part, the hand-held part is located between the first connecting part and the second connecting part, one end of the hand-held part is connected to the first connecting part, and the other end of the hand-held part is connected to the second connecting part.

7. The needle gauge quick detection assembly of claim 1, wherein, The needle gauge rapid detection assembly comprises the needle gauge rapid detection assembly according to any one of claims 1 to 8.

8. The needle gauge quick detection assembly of claim 1, wherein, ​ 9. A needle gauge detection mechanism, characterized by, ​

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