CN211502271U - High-position gas detection alarm telescopic rod - Google Patents
High-position gas detection alarm telescopic rod Download PDFInfo
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- CN211502271U CN211502271U CN201922135439.6U CN201922135439U CN211502271U CN 211502271 U CN211502271 U CN 211502271U CN 201922135439 U CN201922135439 U CN 201922135439U CN 211502271 U CN211502271 U CN 211502271U
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Abstract
High-order gaseous detection alarm instrument telescopic link, including the fixed body of rod and a plurality of sections movable rod body of equal vertical setting, fixed body of rod lower extreme is connected with the handheld detection portion that detects the alarm instrument, and the activity body of rod lower part of next section is inserted and is established inside the fixed body of rod, and the activity body of rod lower part on upper portion is inserted and is established inside the activity body of rod of the lower part section rather than adjacent, and the activity body of rod upper end of the top section is connected with a section probe rod through probe rod joint coaxial line, and the probe rod upper end is equipped with the sensor probe. The utility model discloses the principle science, simple structure, the operation of being convenient for, when adjusting the flexible length of the movable rod body, only need handheld internal thread adapter sleeve rotatory can stretch out and draw back and adjust and lock and die, gaseous detection of realization high-order that can be very convenient. The utility model discloses positions such as hydrogen system pipe joint that detectable generator hydrogen cooler, hydrogen desicator, circulating fan, oil water detector and ordinary hydrogen leakage detector can't touch.
Description
Technical Field
The utility model relates to a gaseous detection device that reveals, concretely relates to high-order gaseous detection alarm instrument telescopic link.
Background
At present, standard gas output used by domestic field detection instruments is mostly controlled by a float flowmeter, and the control mode has low precision and is inconvenient to operate. Particularly, the hydrogen system pipeline joint and other parts which cannot be reached by the hydrogen cooler, the hydrogen dryer, the circulating fan, the oil-water detector and the common hydrogen leakage detector of the generator are also detected at higher positions, so that the difficulty in detecting whether gas leaks is high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the weak point among the prior art, provide a simple structure, convenient operation's gaseous detection alarm appearance telescopic link of high position.
In order to solve the technical problem, the utility model adopts the following technical scheme: a telescopic rod of a high-position gas detection alarm comprises a fixed rod body and a plurality of movable rod bodies which are vertically arranged, the lower end of the fixed rod body is connected with a handheld detection part of the detection alarm, the lower part of the lowest movable rod body is inserted into the fixed rod body, the lower part of the upper movable rod body is inserted into the lower movable rod body adjacent to the lower movable rod body, the upper end of the highest movable rod body is coaxially connected with a probe rod through a probe rod joint, the upper end of the probe rod is provided with a sensor probe, the sensor probe is connected with the handheld detection part through a detection cable, the detection cable sequentially penetrates through the probe rod from top to bottom, the upper end of the lower section of movable rod body is provided with a second rotary locking device which is used for locking the upper section of movable rod body which is in splicing fit with the lower section of movable rod body.
The first rotary locking device and the second rotary locking device have the same structure; first rotational locking device is including the tight cover that expands, external screw thread cover and internal thread lock sleeve, the lower part inner circle cover of external screw thread cover is outside on the fixed rod body, the inner circle of internal thread lock sleeve and the outer lane threaded connection of external screw thread cover, the tight cover that expands is established outside the activity body of rod, the outer circumference in upper portion of the tight cover that expands is equipped with annular positioning groove, the upper portion inner circle of internal thread lock sleeve is equipped with the annular positioning ring with annular positioning groove installation complex, the tight cover excircle that expands is thick down thin cone structure in annular positioning groove's lower part, the inner circle upper portion of external screw thread cover is thick down thin circular cone structure, cone structure stretches into inside the circular cone structure.
The lower part of the excircle of the external thread sleeve is provided with an annular limiting groove, and the lower end of the internal thread locking sleeve is fixedly connected with a limiting ring extending into the annular limiting groove.
Adopt above-mentioned technical scheme, the utility model discloses when carrying out the high position and detecting, because the inside detection cable of telescopic link has the pulling force when flexible, consequently will avoid the too big problem of cable atress, the utility model discloses improved telescopic link structure and optimized the performance, not only effectually avoided the gaseous detection alarm appearance of high position to detect the phenomenon of atress too fierce, still realized every section of movable rod body and dead with the lock at the regulation of the arbitrary length of effective flexible within range.
The utility model discloses the principle science, simple structure, the operation of being convenient for, when adjusting the flexible length of the movable rod body, only need handheld internal thread adapter sleeve rotatory can stretch out and draw back and adjust and lock and die, gaseous detection of realization high-order that can be very convenient. The utility model discloses the instrument that the time is used for high-order gas to reveal the detection specially adopts the sensor probe of high sensitivity, and the upper end of handheld detection portion is provided with scalable 5 m's telescopic link, the position that observable 7m is high under staff's the highest engine of lifting. The utility model discloses positions such as hydrogen system pipe joint that detectable generator hydrogen cooler, hydrogen desicator, circulating fan, oil water detector and ordinary hydrogen leakage detector can't touch.
Drawings
Fig. 1 is a schematic view of the structure principle of the present invention;
FIG. 2 is a schematic view of the fixed rod body and a plurality of sections of the telescopic rod body of the present invention when extended;
fig. 3 is an axial cross-sectional view of the first rotational locking mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in FIG. 1, FIG. 2 and FIG. 3, the telescopic rod of the high-level gas detection alarm of the present invention comprises a fixed rod 1 and a plurality of movable rods 2 all vertically disposed, the lower end of the fixed rod 1 is connected to a hand-held detection part 3 (the prior art, the detailed structure and function are not described again), the lower part of the lowest movable rod 2 is inserted into the fixed rod 1, the lower part of the upper movable rod 2 is inserted into the lower movable rod 2 adjacent to the lower movable rod, the upper end of the highest movable rod 2 is coaxially connected to a probe 5 through a probe joint 4, the upper end of the probe 5 is provided with a sensor probe 6, the sensor probe 6 is connected to the hand-held detection part 3 through a detection cable, the detection cable sequentially penetrates through the probe 5, the plurality of movable rods 2 and the fixed rod 1 from top to bottom and then extends into the hand-held detection part 3, the upper end of the fixed rod body 1 is provided with a first rotary locking device 7 for locking the lowermost movable rod body 2, and the upper end of the lower movable rod body 2 is provided with a second rotary locking device 8 for locking the upper movable rod body 2 in splicing fit with the lower movable rod body.
The first rotary locking device 7 and the second rotary locking device 8 have the same structure; first rotary locking device 7 is including the tight cover 9 that expands, external screw thread cover 10 and internal thread lock sleeve 11, the lower part inner circle cover of external screw thread cover 10 is outside at the 1 upper end of the fixed rod body, the inner circle of internal thread lock sleeve 11 and the outer lane threaded connection of external screw thread cover 10, the tight cover 9 cover that expands is established in the activity body of rod 2 outsidely, the outer circumference in upper portion of the tight cover 9 that expands is equipped with annular positioning groove 12, the upper portion inner circle of internal thread lock sleeve 11 is equipped with and installs complex annular positioning ring 13 with annular positioning groove 12, the tight cover 9 excircle that expands is thick cone structure down in the lower part of annular positioning groove 12, the inner circle upper portion of external screw thread cover 10 is thick circular cone hole structure down, the cone structure stretches into inside.
An annular limiting groove 14 is formed in the lower portion of the outer circle of the external thread sleeve 10, and a limiting ring 15 extending into the annular limiting groove 14 is fixedly connected to the lower end of the internal thread locking sleeve 11.
When the telescopic rod is operated to extend, attention needs to be paid to the using mode of the telescopic rod, firstly, a fixed rod body 1 is held by one hand, the other hand holds the first rotary locking device 7 in the anticlockwise direction and rotates 1/2 circles to 1 circle, meanwhile, the hand holding the fixed rod body 1 is not moved, the other hand upwards stretches the lowermost movable rod body 2, when the telescopic rod is pulled to a proper position or a limiting position, the first rotary locking device 7 in the clockwise direction is locked, and the first rotary locking device 7 does not need to exert brute force during locking, and only needs to be locked by the first rotary locking device 7 to enable the lowermost movable rod body 2 not to stretch easily; then, the hand holding the fixed rod body 1 is used for holding the lowest movable rod body, the other hand is used for holding and rotating the second rotary locking device 8 at the bottom in the anticlockwise direction, 1/2 circles are rotated to 1 circle, meanwhile, the hand holding the lowest movable rod body 2 is not moved, the hand at the beginning is used for stretching the second movable rod body 2 at the bottom upwards, and when the second rotary locking device 8 at the bottom is pulled to a proper position or a limiting position, the second rotary locking device 8 at the bottom is rotated in the clockwise direction and locked; the rest movable rod bodies 2 are sequentially stretched from bottom to top in the same method, and when the length is long enough, the uppermost movable rod body or the uppermost movable rod bodies 2 do not need to be stretched.
When the telescopic rod is retracted, the telescopic rod is sequentially retracted from top to bottom, the process is opposite to the above extending operation process, and the locking by rotating the second rotary locking device 8 and the first rotary locking device 7 is ensured to be unavailable brute force, so that the telescopic rod is prevented from being damaged.
As shown in fig. 3, the working principle of the first and second rotational locking devices 7 and 8 is: the inner wall of the external thread sleeve 10 is adhered with the fixed rod body 1 by special strong glue, when the internal thread locking sleeve 11 rotates clockwise, the expansion sleeve 9 moves downwards together with the internal thread locking sleeve 11 due to the matching of the annular positioning ring 13 and the annular positioning groove 12,
the cone structure at the lower part of the expansion sleeve 9 extends into the cone hole structure of the external thread sleeve 10, the cone hole of the external thread sleeve 10 is fixed, so that the inner ring of the expansion sleeve 9 is forced to firmly hold the lowermost movable rod body 2, and when the force applied to the movable rod body 2 by the expansion sleeve 9 is large enough, the movable rod body 2 is fixed and locked, so that the movable rod body cannot move up and down; on the contrary, when the rotatory internal thread lock sleeve 11 anticlockwise rotates, the tight cover 9 that expands can move up with internal thread lock sleeve 11, and the cone structure of the tight cover 9 lower part that expands upwards leaves inside the circular cone hole structure of external screw thread cover 10 to make the tight cover 9 that expands use the power on the activity body of rod 2 more and more littleer, thereby the activity body of rod 2 just can reciprocate.
The utility model provides a stop collar 15 reciprocates in annular spacing groove 14 along with the rotation of internal thread lock sleeve 11, and the axial displacement distance of internal thread lock sleeve 11 is highly injectd to annular spacing groove 14, can inject the number of revolutions of internal thread lock sleeve 11 like this.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (3)
1. High-order gaseous detection alarm instrument telescopic link, including the fixed body of rod and a plurality of sections movable rod body of equal vertical setting, fixed body of rod lower extreme is connected with the handheld detection portion that detects the alarm instrument, the bottom a section movable rod body lower part is inserted and is established inside the fixed body of rod, a section movable rod body lower part on upper portion is inserted and is established inside rather than adjacent a section movable rod body of rod of lower part, the top a section movable rod body upper end is connected with a section probe rod through probe rod joint coaxial line, the probe rod upper end is equipped with the sensor probe, the sensor probe is connected with handheld detection portion through detecting cable, detecting cable top-down wears to establish in proper order at the probe rod, stretch into handheld detection portion behind a plurality of sections movable rod body and a section fixed body of rod inside: the upper end of the fixed rod body is provided with a first rotary locking device for locking the lowermost movable rod body, and the upper end of the lower movable rod body is provided with a second rotary locking device for locking the upper movable rod body matched with the lower movable rod body in an inserting manner.
2. The telescopic rod of the high-level gas detection alarm instrument according to claim 1, wherein: the first rotary locking device and the second rotary locking device have the same structure; first rotational locking device is including the tight cover that expands, external screw thread cover and internal thread lock sleeve, the lower part inner circle cover of external screw thread cover is outside on the fixed rod body, the inner circle of internal thread lock sleeve and the outer lane threaded connection of external screw thread cover, the tight cover that expands is established outside the activity body of rod, the outer circumference in upper portion of the tight cover that expands is equipped with annular positioning groove, the upper portion inner circle of internal thread lock sleeve is equipped with the annular positioning ring with annular positioning groove installation complex, the tight cover excircle that expands is thick down thin cone structure in annular positioning groove's lower part, the inner circle upper portion of external screw thread cover is thick down thin circular cone structure, cone structure stretches into inside the circular cone structure.
3. The telescopic rod of the high-level gas detection alarm instrument according to claim 2, wherein: the lower part of the excircle of the external thread sleeve is provided with an annular limiting groove, and the lower end of the internal thread locking sleeve is fixedly connected with a limiting ring extending into the annular limiting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922135439.6U CN211502271U (en) | 2019-12-03 | 2019-12-03 | High-position gas detection alarm telescopic rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922135439.6U CN211502271U (en) | 2019-12-03 | 2019-12-03 | High-position gas detection alarm telescopic rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211502271U true CN211502271U (en) | 2020-09-15 |
Family
ID=72413036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922135439.6U Active CN211502271U (en) | 2019-12-03 | 2019-12-03 | High-position gas detection alarm telescopic rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211502271U (en) |
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2019
- 2019-12-03 CN CN201922135439.6U patent/CN211502271U/en active Active
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