CN210510967U - Fixing device for fixing a sensor - Google Patents
Fixing device for fixing a sensor Download PDFInfo
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- CN210510967U CN210510967U CN201921302368.8U CN201921302368U CN210510967U CN 210510967 U CN210510967 U CN 210510967U CN 201921302368 U CN201921302368 U CN 201921302368U CN 210510967 U CN210510967 U CN 210510967U
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Abstract
The utility model relates to a fixing device for fixed sensor, include: the base is provided with limiting holes penetrating through two sides of the base; the elastic limiting ring is connected with the inner wall of the limiting hole and is coaxially arranged with the limiting hole; the protective sleeve is connected with the base and comprises a baffle plate; the first end of the elastic piece is connected with the baffle, and the elastic piece is positioned on one side of the baffle, which is close to the base; the fixing piece is connected with the base; wherein, spacing hole is used for supplying the sensor to wear to establish, and elasticity spacing collar be used for with the spacing cooperation of sensor, the second end of elastic component be used for with the sensor butt, and the elastic component is used for exerting the axial power along spacing hole to the sensor. Among the foretell fixing device for fixed sensor, the sensor is arranged in wearing to establish in spacing hole and elasticity spacing collar with the second end butt of elastic component, and the mounting is used for fixing on the GIS shell, realizes fixing device's fixed.
Description
Technical Field
The utility model relates to a fixed equipment technical field especially relates to a fixing device for fixing sensor.
Background
In a GIS (GAS-insulated SWITCHGEAR) equipment field handover test, an alternating current withstand voltage test is the most direct method for inspecting the insulation performance of equipment and is a key factor for judging whether the equipment can be normally put into operation. If the equipment is subjected to insulation breakdown in the process of the voltage withstand test, in order to quickly and accurately locate a fault point, all GIS air chambers need to be monitored in real time through a GIS voltage withstand breakdown ultrasonic locating device, a sensor with the largest signal amplitude at the breakdown moment is found, and the GIS air chamber corresponding to the sensor is the most likely air chamber with the existence of the fault point.
At present, a fixing device for fixing a sensor is generally simpler in structure, and the sensor is easily influenced by the outside after being fixed to generate displacement, so that the positioning accuracy is influenced.
SUMMERY OF THE UTILITY MODEL
Therefore, there is a need for a fixing device for fixing a sensor, which can prevent the sensor from being displaced after being fixed and ensure the accuracy of positioning.
The technical scheme is as follows:
a fixture for securing a sensor, comprising: the base is provided with limiting holes penetrating through two sides of the base; the elastic limiting ring is connected with the inner wall of the limiting hole and is coaxially arranged with the limiting hole; the protective sleeve is connected with the base and comprises a baffle plate; the first end of the elastic piece is connected with the baffle, and the elastic piece is positioned on one side, close to the base, of the baffle; the fixing piece is connected with the base; the spacing hole is used for the sensor to wear, the elastic spacing ring is used for being matched with the sensor in a spacing mode, the second end of the elastic piece is used for being abutted to the sensor, and the elastic piece is used for exerting axial force along the spacing hole on the sensor.
Among the foretell fixing device for fixed sensor, the sensor is arranged in wearing to establish in spacing hole and elasticity spacing collar with the second end butt of elastic component, and the mounting is used for fixing on the GIS shell, realizes fixing device's fixed. After the fixing piece is fixed on the GIS shell, the sensor can be in close contact with the GIS shell under the action of the elastic piece, and the detection effect of the sensor is not influenced; and because the sensor passes the elasticity spacing collar and with the spacing cooperation of elasticity spacing collar, the elasticity spacing collar can exert pressure for the sensor all around for the sensor can maintain original position, prevents that the sensor from because there is the phenomenon that the clearance takes place the displacement between the pore wall of sensor and spacing hole, guarantees the accuracy of location.
The technical solution is further explained below:
in one embodiment, an annular groove is formed in the inner wall of the limiting hole, and the elastic limiting ring is arranged in the annular groove.
In one embodiment, the number of the elastic limiting rings is at least two, and at least two elastic limiting rings are arranged at intervals along the axial direction of the limiting hole.
In one embodiment, a positioning column is arranged on the inner wall of the protecting sleeve, the elastic piece is a spring, and the spring is connected with the inner wall of the protecting sleeve and sleeved on the positioning column.
In one embodiment, the base is provided with a positioning groove, and the protective sleeve comprises a positioning plate which is matched with the positioning groove in a positioning mode.
In one embodiment, the fixing device for fixing the sensor further includes a fastener, the positioning plate is provided with a first assembling hole, the base is provided with a second assembling hole opposite to the first assembling hole, and the fastener is inserted into the first assembling hole and the second assembling hole.
In one embodiment, the protective sleeve is provided with an inner cavity and a wiring hole communicated with the inner cavity, and the elastic piece is arranged in the inner cavity.
In one embodiment, the fixing member includes a connecting portion and an absorbing portion connected to the connecting portion, and the connecting portion is connected to the base.
In one embodiment, the suction portion is rotatably connected to the connection portion.
In one embodiment, the fixing device for fixing the sensor further comprises a cushion pad connected to the second end of the elastic member, the cushion pad being adapted to abut against the sensor.
Drawings
Fig. 1 is an exploded view of a fixing device for fixing a sensor according to an embodiment of the present invention;
fig. 2 is an assembly structure diagram of a fixing device for fixing a sensor according to an embodiment of the present invention.
Description of reference numerals:
10. the fixing device for fixing the sensor comprises a fixing device 20, the sensor 100, a base 110, a limiting hole 120, a positioning groove 130, a second assembling hole 200, a protective sleeve 210, a positioning plate 220, a wiring hole 230, a positioning column 240, a baffle 300, an elastic piece 400, an elastic limiting ring 500, a fixing piece 510, an adsorption part 520, a connecting part 600 and a fastening piece.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, 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 invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the present invention, the terms "first" and "second" do not denote any particular quantity or order, but are merely used to distinguish names.
As shown in fig. 1-2, one embodiment relates to a fixture 10 for securing a sensor, comprising: the base 100, the protection cover 200, the elastic member 300 and the elastic limit ring 400. The base 100 is provided with a limiting hole 110 penetrating through two sides of the base 100; the elastic limiting ring 400 is connected with the inner wall of the limiting hole 110, and the elastic limiting ring 400 and the limiting hole 110 are coaxially arranged; the protective cover 200 is connected to the base 100, and the protective cover 200 includes a baffle 240; the first end of the elastic member 300 is connected to the baffle 240, and the elastic member 300 is located on one side of the baffle 230 close to the base 100; the fixing member 500 is coupled with the base 100.
Specifically, the shield cover 200 is provided with an inner cavity in which the elastic member 300 is located, and the shield cover 200 is used to protect the elastic member 300.
In the fixing device 10 for fixing the sensor, the sensor 20 is used for abutting against the second end of the elastic member 300 and penetrating through the limiting hole 110 and the elastic limiting ring 400, and the fixing member 500 is used for fixing on the GIS housing, so as to fix the fixing device. After the fixing member 500 is fixed on the GIS housing, the sensor 20 can be in close contact with the GIS housing under the action of the elastic member 300, and the detection effect of the sensor 20 is not affected; and because the sensor 20 passes through the elastic spacing collar 400 and is in spacing fit with the elastic spacing collar 400, the elastic spacing collar 400 can apply pressure to the periphery of the sensor 20, so that the sensor 20 can be maintained at the original position, the phenomenon that the sensor 20 is displaced due to the gap between the sensor 20 and the hole wall of the spacing hole 110 is prevented, and the positioning accuracy is ensured.
The elastic member 300 may be a spring, a spring plate, elastic rubber, elastic plastic, or the like, the first end and the second end of the elastic member 300 are two opposite ends of the elastic member 300, the first end of the elastic member 300 is connected to the baffle 240 of the protecting cover 200, and the second end of the elastic member 300 is used for abutting against the sensor 20. The elastic retainer 400 is made of a rubber material.
In one embodiment, the inner wall of the limiting hole 110 is formed with an annular groove, and the elastic limiting ring 400 is disposed in the annular groove. The extension route of ring channel extends along the circumference of spacing hole 110, and the outer lane part joint of elasticity spacing collar 400 is in the ring channel, and the inner circle part protrusion of elasticity spacing collar takes place extrusion deformation in the pore wall of spacing hole 110, after sensor 20 passed elasticity spacing collar 400, and elasticity spacing collar 400 counteracts sensor 20 for sensor 20 is firmly fixed.
Further, there are at least two elastic limiting rings 400, and at least two elastic limiting rings 400 are arranged at intervals along the axial direction of the limiting hole 110. In this way, the sensor 20 passing through the at least two elastic spacing rings 400 can be stressed more uniformly.
As shown in fig. 1, in one embodiment, the inner wall of the protecting cover 200 is provided with a positioning post 230, and the elastic member 300 is a spring, which is connected to the inner wall of the protecting cover 200 and is sleeved on the positioning post 230. The positioning post 230 is disposed coaxially with the limiting hole 110, and the spring is sleeved outside the positioning post 230, so that the positioning post 230 can position the spring, and prevent the spring from bending and deforming, and the position of the sensor 20 abutting against the spring is not deviated.
As shown in fig. 1-2, in one embodiment, the base 100 is provided with a positioning slot 120, and the protective sheath 200 includes a positioning plate 210, wherein the positioning plate 210 is in positioning fit with the positioning slot 120. Thus, in the assembling process of the protective cover 200 and the base 100, the positioning plate 210 is firstly placed in the positioning groove 120, so as to position the protective cover 200 and the base 100, which is beneficial to improving the assembling speed.
Further, the fixing device 10 for fixing the sensor further includes a fastener 600, the positioning plate 210 is provided with a first assembling hole, the base 100 is provided with a second assembling hole 130 opposite to the first assembling hole, and the fastener 600 is inserted into the first assembling hole and the second assembling hole 130. After the positioning plate 210 and the positioning groove 120 are positioned, the positioning plate 210 is fixedly connected with the base 100 through the fastener 600, so that the installation fastness between the protective sleeve 200 and the base 100 is improved.
Optionally, the fastening member 600 is a screw, the first assembling hole is the through hole 410, the second assembling hole 130 is a threaded hole, and the fastening member 600 is sequentially inserted into the first assembling hole and the second assembling hole 130; or the fastening member 600 is a pin, and the first and second mounting holes 130 are pin holes.
As shown in fig. 1-2, in one embodiment, the protective sleeve 200 is further provided with a wiring hole 220 communicating with the inner cavity, and a signal wire connected to the sensor 20 is adapted to pass through the wiring hole 220.
In one embodiment, the fixing member 500 includes a connecting portion 520 and a suction portion 510 connected to the connecting portion 520, and the connecting portion 520 is connected to the base 100. The fixing device 10 for fixing the sensor is fixed to the GIS housing by using the adsorption part 510, and the operation is convenient.
Alternatively, the suction part 510 may be a suction cup or a suction nozzle, etc., and the connection part 520 may be a connection rod or a connection block, etc.
Further, the connection part 520 is movably connected with the base 100 so that the suction part 510 can approach or separate from the base 100. In this way, the distance between base 100 and suction unit 510 can be adjusted, and thus the distance between sensor 20 and suction unit 510 can be adjusted.
It can be understood that if there is no good attachment point near the position where the sensor 20 needs to be installed, the distance between the suction part 510 and the base 100 can be changed by the connection part 520, so that the suction part 510 moves to the good attachment point, and the installation is completed.
Specifically, the base 100 is provided with a threaded hole, and the connecting portion 520 is provided with an external thread, which is screw-fitted with the threaded hole. In this way, the connection part 520 can change the distance between the base 100 and the suction part 510 by rotating in the screw hole.
Further, the adsorption part 510 is rotatably connected to the connection part 520, and the adsorption part 510 can rotate 360 ° around the connection part 520, so that the position of the adsorption part 510 can be changed, and the adsorption part 510 can face the GIS housing, and the adsorption part 510 is adsorbed on the GIS housing.
Specifically, still include the pivot, connecting portion 520 is equipped with first shaft hole, and adsorption portion 510 is equipped with the second shaft hole relative with first shaft hole, and the pivot is worn to locate in first shaft hole and the second shaft hole. In this way, the suction part 510 and the connection part 520 can be rotatably connected.
More specifically, the connecting portion 520 is a connecting rod, the first shaft hole is coaxially disposed with the connecting rod, the second shaft hole is coaxially disposed with the first shaft hole, and the rotating shaft is disposed through the first shaft hole and the second shaft hole.
As shown in figures 1-2, in one embodiment, the fastening members 500 are two in number, wherein one fastening member 500 is attached to one side of the chassis 100 and the other fastening member 500 is attached to the other side of the chassis 100. Therefore, the connection fastness between the whole fixing device 10 for fixing the sensor and the GIS shell can be improved, the fixing device is further prevented from moving, and the positioning accuracy is ensured.
In one embodiment, the fixing device 10 for fixing the sensor further comprises a cushion (not shown in the figures) connected to the second end of the elastic member 300, the cushion being adapted to abut against the sensor 20. The cushion pad serves to prevent the sensor 20 from being in direct contact with the elastic member 300 such that the sensor 20 is damaged by the elastic member 300.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A fixture for securing a sensor, comprising:
the base is provided with limiting holes penetrating through two sides of the base;
the elastic limiting ring is connected with the inner wall of the limiting hole and is coaxially arranged with the limiting hole;
the protective sleeve is connected with the base and comprises a baffle plate;
the first end of the elastic piece is connected with the baffle, and the elastic piece is positioned on one side, close to the base, of the baffle; and
the fixing piece is connected with the base;
the spacing hole is used for the sensor to wear, the elastic spacing ring is used for being matched with the sensor in a spacing mode, the second end of the elastic piece is used for being abutted to the sensor, and the elastic piece is used for exerting axial force along the spacing hole on the sensor.
2. The fixing device for fixing the sensor according to claim 1, wherein an annular groove is formed in an inner wall of the limiting hole, and the elastic limiting ring is arranged in the annular groove.
3. The fixing device for fixing the sensor according to claim 1, wherein the number of the elastic limiting rings is at least two, and at least two elastic limiting rings are arranged at intervals along the axial direction of the limiting hole.
4. The fixing device for fixing a sensor according to claim 1, wherein the inner wall of the protecting sleeve is provided with a positioning post, the elastic member is a spring, and the spring is connected with the inner wall of the protecting sleeve and sleeved on the positioning post.
5. The holder of claim 1, wherein the base has a detent and the shield includes a retaining plate that is in locating engagement with the detent.
6. The fixing device for fixing the sensor according to claim 5, further comprising a fastening member, wherein the positioning plate is provided with a first assembling hole, the base is provided with a second assembling hole opposite to the first assembling hole, and the fastening member is inserted into the first assembling hole and the second assembling hole.
7. The fixing device for fixing the sensor as claimed in claim 1, wherein the protective sleeve is provided with an inner cavity and a wiring hole communicated with the inner cavity, and the elastic member is arranged in the inner cavity.
8. The fixing device for fixing a sensor according to claim 1, wherein the fixing member includes a connecting portion and a suction portion connected to the connecting portion, and the connecting portion is connected to the base.
9. The fixture for fixing a sensor according to claim 8, wherein the suction portion is rotatably connected to the connection portion.
10. The fixture for securing a sensor as claimed in claim 1, further comprising a cushion pad connected to the second end of the resilient member, the cushion pad adapted to abut the sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921302368.8U CN210510967U (en) | 2019-08-12 | 2019-08-12 | Fixing device for fixing a sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921302368.8U CN210510967U (en) | 2019-08-12 | 2019-08-12 | Fixing device for fixing a sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210510967U true CN210510967U (en) | 2020-05-12 |
Family
ID=70589062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921302368.8U Active CN210510967U (en) | 2019-08-12 | 2019-08-12 | Fixing device for fixing a sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210510967U (en) |
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2019
- 2019-08-12 CN CN201921302368.8U patent/CN210510967U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210223 Address after: 510620, No. two, No. 2, Tianhe South Road, Guangzhou, Guangdong, Tianhe District Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Address before: 510620, No. two, No. 2, Tianhe South Road, Guangzhou, Guangdong, Tianhe District Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. |