CN116608750B - Interface size measuring device of radio frequency connector - Google Patents
Interface size measuring device of radio frequency connector Download PDFInfo
- Publication number
- CN116608750B CN116608750B CN202310887940.6A CN202310887940A CN116608750B CN 116608750 B CN116608750 B CN 116608750B CN 202310887940 A CN202310887940 A CN 202310887940A CN 116608750 B CN116608750 B CN 116608750B
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- radio frequency
- body shell
- frequency connector
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- 238000005259 measurement Methods 0.000 claims abstract description 37
- 230000007423 decrease Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000004020 conductor Substances 0.000 abstract description 12
- 238000010586 diagram Methods 0.000 description 6
- 239000012212 insulator Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a radio frequency connector interface size measuring device, which comprises: the measuring sleeve, the main body shell, the measuring telescopic head and the correcting part; the measuring sleeve is provided with a first annular clamping groove on the inner wall and sleeved on the main body shell, one end of the measuring sleeve can be detachably connected with the main body shell, and the other end of the measuring sleeve is detachably connected with one end of the correcting part; a check ring is arranged in the first annular clamping groove; the main body shell is provided with openings at two ends, and a limiting part extending along the circumferential direction of the main body shell is arranged on the outer wall close to the other end; one end of the measuring telescopic head is positioned in the main body shell and is detachably connected with the end part of the telescopic rod of the dial indicator arranged in the main body shell, and the other end of the measuring telescopic head extends into or extends out of the other end of the main body shell. The invention can accurately zero the dial indicator, accurately determine the measurement positions of the inner conductor and the outer conductor for measurement, avoid errors caused by manual zero setting and improve the measurement accuracy and the measurement efficiency.
Description
Technical Field
The invention belongs to the technical field of measuring equipment, and particularly relates to a device for measuring the interface size of a radio frequency connector.
Background
Radio frequency connectors are common circuit elements, typically attached to cables or equipment, that are separable elements for electrical connection of a transmission line system. The interface size of the radio frequency connector is an important size which ensures reliable opposite connection between the plug and the socket and has good interchangeability, and if the reference surfaces of the machine and the electric appliance are not well matched and the interface clearance is large, the electromagnetic wave generates larger reflection due to the discontinuity of the inner conductor and the outer conductor in the transmission process, and the radio frequency performance is poor in a high frequency band. Therefore, the rf coaxial connectors all place strict requirements on the interface dimensions, which are also important.
Along with the thin wall of the supportable surface when the connector is used for measurement, the size range of the interface is narrow, the interface measurement supporting surface is small under the influence of the structure, and the measurement difficulty is improved. In the prior art, the interface size of the radio frequency connector is commonly measured by adopting a dial indicator or a caliper, the conventional method for measuring the interface size by the dial indicator is that firstly, the head of the dial indicator is placed on a plane, a dial indicator is rotated to enable a pointer to point to 0, then the dial indicator is held by hand to measure the interface size, and the product interface size is read out according to the pointer of the dial indicator.
Disclosure of Invention
In order to solve the above problems in the prior art, the present invention provides a device for measuring the interface size of a radio frequency connector. The technical problems to be solved by the invention are realized by the following technical scheme:
a radio frequency connector interface size measurement device, comprising: the measuring sleeve, the main body shell, the measuring telescopic head and the correcting part;
the measuring sleeve is provided with openings at two ends, a first annular clamping groove is formed in the inner wall of the measuring sleeve and sleeved on the main body shell, one end of the measuring sleeve is detachably connected with the main body shell, and the other end of the measuring sleeve is detachably connected with one end of the correcting part;
a check ring is arranged in the first annular clamping groove;
the main body shell is provided with openings at two ends, and a limiting part extending along the circumferential direction of the main body shell is arranged on the outer wall close to the other end;
the limiting part is positioned between the check ring and the other end of the measuring sleeve;
one end of the measuring telescopic head is positioned in the main body shell and is detachably connected with the end part of a telescopic rod of the dial indicator arranged in the main body shell, and the other end of the measuring telescopic head extends into or extends out of the other end of the main body shell;
the calibration part is contacted with or separated from the other end of the measuring telescopic head and the other end of the main body shell.
In one embodiment of the invention, the body housing comprises: a hand-held housing and a connection housing;
the handheld shell is provided with openings at two ends, and the other end of the handheld shell is fixedly connected with one end of the connecting shell;
the connecting shell is provided with openings at two ends, and the other end of the connecting shell can be contacted with or separated from the correction part;
the measuring sleeve is sleeved on the connecting shell;
the limiting part is positioned on the outer wall of the connecting shell, which is close to the other end;
the measuring telescopic head is positioned at a position close to the other end of the connecting shell.
In one embodiment of the invention, the inner walls of the two ends of the measuring sleeve are respectively provided with a fixed internal thread and a connecting internal thread;
the first annular clamping groove is positioned between the fixed internal thread and the connecting internal thread and is close to the fixed internal thread;
the outer wall of the connecting shell, which is close to one end, is provided with an annular boss;
the annular boss is provided with a fixed external thread matched with the fixed internal thread on the circumferential outer wall;
and one end of the correction part is provided with a connecting external thread matched with the connecting internal thread.
In one embodiment of the invention, the other end of the connection housing is provided with a measuring external thread.
In one embodiment of the invention, the inner wall of the measuring sleeve is provided with a second annular clamping groove;
the second annular clamping groove is located between the first annular clamping groove and the connecting internal thread and is close to the connecting internal thread.
In one embodiment of the present invention, the outer diameter of the limiting portion gradually decreases from an end closer to the connection housing to an end farther from the connection housing.
In one embodiment of the invention, one end of the measuring telescopic head is provided with an installation external thread;
and the installation external thread is in threaded connection with the internal thread at the end part of the telescopic rod of the dial indicator.
In one embodiment of the invention, the hand-held housing is provided with a plurality of mounting threaded through holes.
In one embodiment of the present invention, the number of the mounting screw through holes is three, and the three mounting screw through holes are uniformly distributed along the circumferential direction of the hand-held housing.
In one embodiment of the invention, the outer diameter of the calibration part is larger than the inner diameter of the other end of the connection housing.
The invention has the beneficial effects that:
according to the invention, when the calibration part is connected with the measuring sleeve, the calibration part is compressed to serve as a zero clearing position of the dial indicator when the calibration part abuts against the measuring telescopic head and the other end of the main body shell, then the main body shell is connected with the radio frequency connector to be measured after the calibration part is disassembled, the measuring telescopic head is compressed, the radio frequency connector to be measured abuts against the other end of the main body shell after the connection is completed, the measuring telescopic head abuts against an inner conductor or an insulator of the radio frequency connector to be measured, and then the telescopic rod of the measuring telescopic head or the dial indicator has a certain telescopic amount relative to the other end (zero clearing position) of the main body shell, and the reading of the dial indicator is the interface size of the radio frequency connector to be measured. The invention can accurately zero the dial indicator, accurately determine the measurement positions of the inner conductor and the outer conductor for measurement, avoid errors caused by manual zero setting and improve the measurement accuracy and the measurement efficiency.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of a zeroing state of a radio frequency connector interface size measurement device according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a measuring sheath according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a main body casing according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an assembled structure of a measuring sheath and a main housing according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a calibration part according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a measuring head according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a measurement state of a radio frequency connector interface dimension measurement device according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of another measurement state of a radio frequency connector interface dimension measurement device according to an embodiment of the present invention.
Reference numerals illustrate:
10-measuring sleeve; 11-a first annular clamping groove; 12-check ring; 13-fixing the internal thread; 14-connecting internal threads; 15-a second annular clamping groove; 20-a main body housing; 21-a limiting part; 22-a hand-held housing; 23-connecting the housing; 24-annular boss; 25-fixing external threads; 26-measuring external threads; 27-mounting a threaded through hole; 30-measuring the telescopic head; 31-mounting external threads; 40-correcting parts; 41-connecting external threads; 50-telescoping rod; 60-radio frequency connector to be tested.
Detailed Description
The present invention will be described in further detail with reference to specific examples, but embodiments of the present invention are not limited thereto.
Example 1
As shown in fig. 1 and 2, a radio frequency connector interface dimension measuring device includes: a measuring sheath 10, a main body housing 20, a measuring telescopic head 30 and a calibration piece 40;
the two ends of the measuring sleeve 10 are opened, the measuring sleeve 10 is sleeved on the main body shell 20, a first annular clamping groove 11 is formed in the inner wall of the measuring sleeve 10, one end of the measuring sleeve 10 can be detachably connected with the main body shell 20, and the other end of the measuring sleeve 10 can be detachably connected with one end of the calibration part 40; a retainer ring 12 is arranged in the first annular clamping groove 11.
The main body casing 20 has a hollow structure with two open ends, and a limit portion 21 extending in the circumferential direction of the main body casing 20 is provided on an outer wall near the other end of the main body casing 20. The stopper 21 is located between the retainer ring 12 and the other end of the measuring bush 10.
One end of the measuring telescopic head 30 is located inside the main body casing 20, one end of the measuring telescopic head 30 is detachably connected with the end of the telescopic rod 50 of the dial indicator arranged inside the main body casing 20, and the other end of the measuring telescopic head 30 extends into or out of the other end of the main body casing 20. The calibration piece 40 may be in contact with or separated from the other end of the measuring head 30 and the other end of the main body housing 20.
In this embodiment, when not in use, the dial indicator is installed in the main body casing 20 and fixed, and one end of the measuring sleeve 10 is connected and fixed with a part of the main body casing 20 near the other end, so as to prevent the measuring sleeve 10 from moving and being damaged by collision when not in use. In use, the measurement sheath 10 is disconnected from the main body housing 20, and the measurement sheath 10 is axially movable on the main body housing 20. The calibration part 40 is abutted against the other ends of the measuring telescopic head 30 and the main body shell 20, the measuring sleeve 10 is moved towards the direction of the calibration part 40, the other ends of the measuring sleeve 10 and the calibration part 40 are fixedly connected, the limiting part 21 is abutted against the retainer ring 12, and the measuring sleeve 10 and the calibration part 40 are fixed relative to the main body shell 20.
At this time, the telescopic rod 50 of the dial indicator is compressed, at this time, as the zero clearing position of the dial indicator, the zero clearing key of the dial indicator is pressed, then the calibration part 40 is detached from the measuring sleeve 10, and then the measuring sleeve 10 is moved again to be connected and fixed with the main body casing 20. The main body shell 20 is held by hand, the other end of the main body shell 20 is inserted into an inner hole at the interface end of the radio frequency connector 60 to be measured, the end face of the inner hole is contacted and propped against the other end of the main body shell 20, the end face of the other end of the measuring telescopic head 30 is contacted with an insulator or an inner conductor, the measuring telescopic head 30 and the dial indicator telescopic rod 50 are compressed, and the measuring telescopic head 30 has a certain telescopic amount relative to the other end (clear position) of the main body shell 20, namely, the telescopic rod 50 has a certain telescopic amount, and the reading of the dial indicator is the interface size of the radio frequency connector 60 to be measured.
When the formal measurement is started, the other end of the main body housing 20 may be inserted into the inner hole of the interface end of the rf connector 60 to be measured for connection and fixation.
According to the embodiment, the dial indicator can be accurately zeroed through measuring the other ends of the telescopic head 30 and the main body shell 20, manual reading of 0 is not needed, the measurement positions of the inner conductor and the outer conductor can be accurately determined for measurement, errors caused by manual zeroing are avoided, and the measurement accuracy and the measurement efficiency are greatly improved. Meanwhile, the radio frequency connector 60 to be measured can be fixed during measurement, so that the radio frequency connector is stable, and the accuracy of measurement is further ensured while the operation is convenient.
Example two
As shown in fig. 3 and 4, the present embodiment further defines, on the basis of the first embodiment, that the main body casing 20 includes: a hand-held housing 22 and a connection housing 23.
The two ends of the hand-held shell 22 are open, and the other end of the hand-held shell 22 is fixedly connected with one end of the connecting shell 23. The connection housing 23 communicates with the hand-held housing 22, both ends of the connection housing 23 are opened, and the other end of the connection housing 23 can be brought into contact with or separated from the calibration piece 40. The handheld shell 22 and the connecting shell 23 are of an integrated structure and of a hollow cylinder structure; wherein the outer diameter of the hand-held housing 22 is larger than the outer diameter of the connection housing 23 to facilitate hand-holding during measurement.
The measuring sleeve 10 is sleeved on the connecting shell 23; the limiting part 21 is positioned on the outer wall of the connecting shell 23 close to the other end and extends along the circumferential direction of the connecting shell 23; the measuring telescopic head 30 is positioned in the connecting housing 23, and the other end of the measuring telescopic head 30 extends into or out of the other end of the connecting housing 23.
Specifically, as shown in fig. 2, 3 and 5, the inner walls of the two ends of the measuring sleeve 10 are respectively provided with a fixed internal thread 13 and a connecting internal thread 14; the first annular clamping groove 11 is positioned between the fixed internal thread 13 and the connecting internal thread 14, and the first annular clamping groove 11 is close to the fixed internal thread 13; an annular boss 24 is arranged on the outer wall of the connecting shell 23, which is close to one end of the connecting shell 23; the circumferential outer wall of the annular boss 24 is provided with a fixed external thread 25 matched with the fixed internal thread 13; the measuring bush 10 and the connecting housing 23 can be screwed together by means of a fixed internal thread 13 and a fixed external thread 25. The outer side wall of one end of the calibration part 40 is provided with a connecting external thread 41 matched with the connecting internal thread 14, the outer diameter of the calibration part 40 is larger than the inner diameter of the other end of the connecting shell 23, the calibration part 40 can be propped against the other end of the connecting shell 23, and the calibration part 40 is in threaded connection with the measuring sleeve 10 through the connecting internal thread 14 and the connecting external thread 41 when in connection. In the embodiment, a detachable fixed connection mode of threaded connection is adopted, so that the operation is convenient.
In this embodiment, as shown in fig. 4, after the retainer ring 12 is locked in the first annular locking groove 11, the first annular locking groove 11 protrudes from the inner side, and when the measuring bush 10 moves axially, the retainer ring 12 contacts the limiting portion 21. Specifically, when the calibration part 40 is installed, the measuring sleeve 10 is in threaded connection with the calibration part 40 after moving, and after the threads are screwed in place, the limiting part 21 abuts against the retainer ring 12 so as to enable the measuring sleeve 10 and the calibration part 40 to be locked and fixed.
Preferably, as shown in fig. 4 and 6, the outer sidewall of the other end of the connection housing 23 is provided with a measuring external thread 26, and the measuring external thread 26 is used for threaded connection with an internal thread of an inner hole of the radio frequency connector 60 to be measured. As shown in fig. 6, an outer sidewall of one end of the measuring head 30 is provided with a mounting external thread 31. The mounting external thread 31 is screwed with an internal thread of a mounting hole of the end of the telescopic link 50 of the dial indicator.
Preferably, as shown in fig. 2, a second annular clamping groove 15 is formed on the inner wall of the measuring sleeve 10; the second annular clamping groove 15 is positioned between the first annular clamping groove 11 and the connecting internal thread 14, and the second annular clamping groove 15 is close to the connecting internal thread 14; the second annular clamping groove 15 is a tool retracting groove required by the processing of the measuring bush 10.
Preferably, as shown in fig. 3 and 4, the limiting portion 21 is located between the first annular clamping groove 11 and the connecting internal thread 14, the outer diameter of the limiting portion 21 gradually decreases from one end close to the connecting housing 23 to one end far away from the connecting housing 23, and the maximum outer diameter of the limiting portion 21 is smaller than the minimum inner diameter of the measuring bush 10 between the retainer ring 12 and the second annular clamping groove 15. When the measuring sleeve 10 is assembled, after the side with the smaller outer diameter of the limiting part 21 is contacted with the retainer ring 12, the main body shell 20 is continuously moved, and the side with the larger outer diameter is further pressed and slid over the retainer ring 12, so that quick assembly is facilitated. For example, the limiting portion 21 may have a truncated cone shape. At the same time, the collar 12 can form a stop for the stop 21 to prevent the measuring bush 10 from coming out of the connection housing 23.
Preferably, as shown in FIG. 4, the hand-held housing 22 is provided with a plurality of mounting threaded through holes 27. A plurality of mounting threaded through holes 27 are evenly distributed around the periphery of the hand-held housing 22. Further, the number of the mounting screw through holes 27 is three, and the three mounting screw through holes 27 are uniformly distributed in the circumferential direction of the hand-held housing 22. The mounting threaded through hole 27 is used to secure the dial indicator and can lock the dial indicator within the hand held housing 22.
Preferably, as shown in fig. 5, the calibration part 40 includes a calibration part and a holding part, the connecting external thread 41 is disposed on an outer sidewall of one end of the calibration part, the other end of the calibration part is fixedly connected with the holding part, and the outer diameter of the holding part is larger than that of the calibration part, so that the holding is convenient when the calibration part 40 is installed. The end face of one end of the zeroing part abuts against the measuring telescopic head 30 and the other end of the connection housing 23.
The assembly and use of the present invention will now be described in detail: as shown in figures 4, 1 and 7,
1. pressing the retainer ring 12 into the first annular clamping groove 11;
2. the internal thread of the mounting hole of the end of the telescoping rod 50 of the dial indicator is screwed and fastened with the mounting external thread 31 of the measuring telescopic head 30.
3. The connection housing 23 is press-fitted into the current measuring bush 10, ensuring that the retainer ring 12 is axially movable and that the measuring bush 10 does not come off, and the measuring bush 10 is moved to one end (left end) of the connection housing 23 to screw-connect the fixing internal screw thread 13 and the fixing external screw thread 25.
4. The extension rod 50 of the dial gauge and the measuring head 30 are sequentially passed through the hand-held housing 22 and the connection housing 23 such that the other end (right end) portion of the measuring head 30 is located outside the connection housing 23.
5. Three screws are respectively screwed into the three mounting threaded through holes 27, the upper structure of the telescopic rod 50 is fixedly connected with the handheld shell 22, and after the screws are screwed in, the telescopic rod 50 does not rotate, float, axially move or fall off.
6. The measuring bush 10 is screwed out of the connecting housing 23, and the measuring bush 10 can be moved axially on the connecting housing 23.
7. The end face of one end (left end) of the calibration part 40 is abutted against the measuring telescopic head 30 and the other end (right end) of the connecting housing 23, the measuring sleeve 10 is moved towards the calibration part 40, the other end (right end) of the measuring sleeve 10 is fixedly connected with one end (left end) of the calibration part 40 through the connecting internal thread 14 and the connecting external thread 41, the limiting part 21 is abutted against the retainer ring 12, the measuring sleeve 10 and the calibration part 40 are fixed relative to the main body housing 20, at this time, the telescopic rod 50 of the dial indicator is compressed, at this time, as a zero clearing position of the dial indicator, a dial indicator zero clearing key (not shown in the dial indicator chart) is pressed.
8. The calibration part 40 is unscrewed from the measuring bush 10, the measuring bush 10 is again moved back in the direction of the hand-held housing 22 (measuring bush 10 is moved to the left), and is screwed into the connecting housing 23.
9. The method comprises the steps of starting formal measurement, holding the dial indicator and the handheld shell 22, inserting the other end (right end) of the connecting shell 23 into an inner hole at the interface end of the radio frequency connector 60 to be measured, enabling the end face of the inner hole to contact and prop against the other end (right end) of the connecting shell 23, enabling the end face of the other end (right end) of the measuring telescopic head 30 to contact with an insulator or an inner conductor, compressing the measuring telescopic head 30 and the dial indicator telescopic rod 50, and enabling the measuring telescopic head 30 to have a certain telescopic amount relative to the other end (clear position) of the connecting shell 23, namely enabling the telescopic rod 50 to have a certain telescopic amount, and enabling the reading of the dial indicator to be the interface size a of the radio frequency connector 60 to be measured.
As shown in fig. 8, when the aforementioned ninth step of multiple measurements are performed on the same rf connector 60 to be measured, when there are multiple inconsistent measurement results, the other end (right end) of the connection housing 23 may be inserted into the inner hole at the interface end of the rf connector 60 to be measured, the external thread 26 is screwed into the inner hole of the rf connector 60 to be measured, the end face of the inner hole contacts and abuts against the other end (right end) of the connection housing 23, the end face of the measurement extension head 30 contacts with the insulator or the inner conductor, and then the measurement sleeve 10 is screwed off from the connection housing 23 and moved to the right end to connect the internal thread 14 with the external thread of the rf connector 60 to be measured, so as to perform the calibration measurement. The measuring method is the same as the zero calibration principle of the calibration part 40, and can enable the measuring result to be more accurate.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.
The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.
Claims (10)
1. A radio frequency connector interface size measurement device, comprising: a measuring sleeve (10), a main body shell (20), a measuring telescopic head (30) and a correcting part (40);
the measuring sleeve (10) is provided with openings at two ends, a first annular clamping groove (11) is formed in the inner wall of the measuring sleeve, the measuring sleeve is sleeved on the main body shell (20), one end of the measuring sleeve is detachably connected with the main body shell (20), and the other end of the measuring sleeve is detachably connected with one end of the correcting part (40);
a check ring (12) is arranged in the first annular clamping groove (11);
the main body shell (20) is provided with openings at two ends, and a limiting part (21) extending along the circumferential direction of the main body shell (20) is arranged on the outer wall close to the other end;
the limiting part (21) is positioned between the check ring (12) and the other end of the measuring sleeve (10);
one end of the measuring telescopic head (30) is positioned in the main body shell (20) and is detachably connected with the end part of a telescopic rod (50) of a dial indicator arranged in the main body shell (20), and the other end of the measuring telescopic head extends into or extends out of the other end of the main body shell (20);
the calibration part (40) is contacted with or separated from the other end of the measuring telescopic head (30) and the other end of the main body shell (20);
the measuring sleeve (10) can be fixedly connected with the calibration part (40) and the radio frequency connector to be measured so as to realize zero calibration and interface size measurement respectively.
2. The radio frequency connector interface size measurement device of claim 1, wherein the body housing (20) comprises: a hand-held housing (22) and a connection housing (23);
the hand-held shell (22) is provided with openings at two ends, and the other end of the hand-held shell is fixedly connected with one end of the connecting shell (23);
the connecting shell (23) is provided with two open ends, and the other end is contacted with or separated from the correcting part (40);
the measuring sleeve (10) is sleeved on the connecting shell (23);
the limiting part (21) is positioned on the outer wall of the connecting shell (23) close to the other end;
the measuring telescopic head (30) is positioned near the other end of the connecting shell (23).
3. The device for measuring the interface size of the radio frequency connector according to claim 2, wherein the measuring sleeve (10) is provided with a fixed internal thread (13) and a connecting internal thread (14) on the inner walls of the two ends respectively;
the first annular clamping groove (11) is positioned between the fixed internal thread (13) and the connecting internal thread (14) and is close to the fixed internal thread (13);
the connecting shell (23) is provided with an annular boss (24) on the outer wall close to one end;
the annular boss (24) is provided with a fixed external thread (25) matched with the fixed internal thread (13) on the peripheral outer wall;
and one end of the calibration part (40) is provided with a connecting external thread (41) matched with the connecting internal thread (14).
4. A radio frequency connector interface size measuring device according to claim 2, characterized in that the other end of the connection housing (23) is provided with a measuring external thread (26).
5. A radio frequency connector interface size measuring device according to claim 3, characterized in that the measuring sleeve (10) is provided with a second annular clamping groove (15) on the inner wall;
the second annular clamping groove (15) is positioned between the first annular clamping groove (11) and the connecting internal thread (14) and is close to the connecting internal thread (14).
6. A radio frequency connector interface size measuring device according to claim 2, characterized in that the outer diameter of the limit part (21) gradually decreases from the end closer to the connection housing (23) to the end farther from the connection housing (23).
7. A device for measuring the interface dimensions of a radio frequency connector according to claim 2, characterized in that said measuring head (30) is provided at one end with a mounting external thread (31);
and the mounting external thread (31) is in threaded connection with the internal thread at the end part of the telescopic rod (50) of the dial indicator.
8. A radio frequency connector interface size measurement device according to claim 2, characterized in that the hand-held housing (22) is provided with a plurality of mounting threaded through holes (27).
9. A radio frequency connector interface size measuring device according to claim 8, characterized in that the number of mounting threaded through holes (27) is three, and that the three mounting threaded through holes (27) are evenly distributed along the circumferential direction of the hand-held housing (22).
10. A radio frequency connector interface size measuring device according to claim 2, characterized in that the outer diameter of the calibration piece (40) is larger than the inner diameter of the other end of the connection housing (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310887940.6A CN116608750B (en) | 2023-07-19 | 2023-07-19 | Interface size measuring device of radio frequency connector |
Applications Claiming Priority (1)
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| US6505500B1 (en) * | 1998-05-20 | 2003-01-14 | Mecel Ab | Arrangement for detecting ionization in the combustion chamber of a diesel motor, including associated measurement and calibration devices |
| JP2009133812A (en) * | 2007-05-23 | 2009-06-18 | Nsk Ltd | Device for measuring quantity of state of rolling bearing unit, and method for manufacturing the same |
| WO2010106774A1 (en) * | 2009-03-16 | 2010-09-23 | 日本特殊陶業株式会社 | Method for measuring deviation of joint position of member and method for producing spark plug |
| CN204007384U (en) * | 2014-06-13 | 2014-12-10 | 陕西华达科技股份有限公司 | Radio frequency connector interface dimensions proving installation |
| CN204407663U (en) * | 2015-02-03 | 2015-06-17 | 江苏联海通信股份有限公司 | N-type radio frequency connector checkout gear |
| CN111707170A (en) * | 2020-06-29 | 2020-09-25 | 中国电子科技集团公司第十四研究所 | SMP connector jack depth position size measuring device |
| CN212409580U (en) * | 2020-05-20 | 2021-01-26 | 亳州联滔电子有限公司 | Radio frequency connector detection device |
| CN213301955U (en) * | 2020-08-14 | 2021-05-28 | 光力科技股份有限公司 | Multi-parameter measuring module and multi-parameter measuring instrument |
| DE102021108215B3 (en) * | 2021-03-31 | 2022-03-24 | Md Elektronik Gmbh | Method and device for processing a cable |
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2023
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6505500B1 (en) * | 1998-05-20 | 2003-01-14 | Mecel Ab | Arrangement for detecting ionization in the combustion chamber of a diesel motor, including associated measurement and calibration devices |
| JP2009133812A (en) * | 2007-05-23 | 2009-06-18 | Nsk Ltd | Device for measuring quantity of state of rolling bearing unit, and method for manufacturing the same |
| WO2010106774A1 (en) * | 2009-03-16 | 2010-09-23 | 日本特殊陶業株式会社 | Method for measuring deviation of joint position of member and method for producing spark plug |
| CN204007384U (en) * | 2014-06-13 | 2014-12-10 | 陕西华达科技股份有限公司 | Radio frequency connector interface dimensions proving installation |
| CN204407663U (en) * | 2015-02-03 | 2015-06-17 | 江苏联海通信股份有限公司 | N-type radio frequency connector checkout gear |
| CN212409580U (en) * | 2020-05-20 | 2021-01-26 | 亳州联滔电子有限公司 | Radio frequency connector detection device |
| CN111707170A (en) * | 2020-06-29 | 2020-09-25 | 中国电子科技集团公司第十四研究所 | SMP connector jack depth position size measuring device |
| CN213301955U (en) * | 2020-08-14 | 2021-05-28 | 光力科技股份有限公司 | Multi-parameter measuring module and multi-parameter measuring instrument |
| DE102021108215B3 (en) * | 2021-03-31 | 2022-03-24 | Md Elektronik Gmbh | Method and device for processing a cable |
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| CN116608750A (en) | 2023-08-18 |
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