CN216213116U - Enhanced explosion-proof thermal difference type flow switch - Google Patents
Enhanced explosion-proof thermal difference type flow switch Download PDFInfo
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- CN216213116U CN216213116U CN202121864793.3U CN202121864793U CN216213116U CN 216213116 U CN216213116 U CN 216213116U CN 202121864793 U CN202121864793 U CN 202121864793U CN 216213116 U CN216213116 U CN 216213116U
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- flow switch
- probe
- thermal difference
- flow
- difference type
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Abstract
The utility model discloses a reinforced flame-proof thermal difference type flow switch, and particularly relates to the field of flow switches. According to the utility model, the protection mechanism is arranged, and the movable rod is movably connected with the movable frame, so that the flow deflector can rotate around the movable rod under the action of water flow, and the water flow can uniformly flow to the probe under the combined action of a plurality of flow deflectors.
Description
Technical Field
The utility model belongs to the technical field of flow switches, and particularly relates to a reinforced explosion-proof thermal difference type flow switch.
Background
The flow switch is mainly installed in the water, gas, oil medium pipeline in the on-line or plug-in type to monitor the water flow in the water system, and has various types such as pressure difference type and baffle type, while the heat difference type is designed by adopting the heat diffusion technology, and the flow switch usually comprises a probe for detecting the flow according to the heat diffusion.
The probe on the current flow switch receives the impact of rivers for a long time, because do not set up the structure that supports the protection on the probe, leads to the probe impaired easily and influence flow switch's normal use to rivers flow to the probe not evenly, make the monitoring result inaccurate, the result of use is not good, and the practicality is relatively poor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a reinforced flame-proof thermal difference type flow switch, aiming at solving the problems that a probe on the existing flow switch is impacted by water flow for a long time, and the probe is easily damaged to influence the normal use of the flow switch due to the fact that a supporting and protecting structure is not arranged on the probe, the using effect is poor, and the practicability is poor.
The utility model is realized in such a way, and provides the following technical scheme: a reinforced flame-proof thermal difference type flow switch comprises a flow switch body, wherein a probe is mounted at the bottom of the flow switch body, and a protection mechanism is arranged on the outer side of the probe;
protection machanism includes stationary blade and lower stationary blade, go up the stationary blade and be equipped with the movable frame down between the stationary blade, be equipped with a plurality of water conservancy diversion pieces on the movable frame, it is a plurality of all run through on the water conservancy diversion piece and be equipped with the movable rod, it is a plurality of the movable rod both ends respectively with adjacent movable frame inner wall swing joint, it is a plurality of water conservancy diversion piece cross sectional shape all sets up to the wave.
In a preferred embodiment, the surface of the probe is provided with a layer of anti-fouling material made of a zinc-chromium alloy material.
In a preferred embodiment, the upper fixing plate is provided with a through hole, the probe penetrates through an inner cavity of the through hole, the top of the lower fixing plate is fixedly connected with a lantern ring, and the bottom end of the probe is located in the inner cavity of the lantern ring.
In a preferred embodiment, the bottom of the upper fixing plate and the top of the lower fixing plate are both provided with annular chutes, four sliding rods are slidably connected in the two annular chutes, and the adjacent ends of the eight sliding rods are fixedly connected with the adjacent side of the movable frame.
In a preferred embodiment, the top of the flow switch body is hinged with a protective cover, and the protective cover is arranged in a circular shape.
In a preferred embodiment, the left side and the right side of the flow switch body are both provided with L-shaped plates, one adjacent side of each of the two L-shaped plates is fixedly connected with a rubber vibration absorption pad, and a torsion spring is arranged between each of the two L-shaped plates and the flow switch body.
In a preferred embodiment, a stainless steel filter screen is arranged at the bottom of the flow switch body, and a circular sheet is fixedly connected to the bottom of the stainless steel filter screen.
Compared with the prior art, the utility model has the beneficial effects that:
1. by arranging the protection mechanism, water flows pass through the flow deflectors, and the flow deflectors can rotate around the movable rods under the action of the water flows due to the movable connection of the movable rods and the movable frame, so that the water flows to the probe uniformly under the combined action of the flow deflectors;
2. inhale the shock pad through setting up L template and rubber, when installing the flow switch body on the pipeline, rotate the L template, under the effect of torsional spring, can make rubber inhale the shock pad and laminate with the pipeline surface, because the flow switch body is direct to be connected with the pipeline section rigid, the pipeline often can take place vibrations when rivers flow, vibrations can directly transmit for the flow switch body, can appear not hard up after long-time the use, after having set up rubber and inhale the shock pad, can absorb the vibration that some pipeline produced, and rubber is inhaled the shock pad and is the arc setting, can laminate more with the pipeline surface, the result of use of flow switch body has been improved, therefore, the clothes hanger is strong in practicability.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a bottom schematic view of the flow switch body of the present invention.
Fig. 3 is a schematic structural diagram of the protection mechanism of the present invention.
FIG. 4 is a top view of the lower fixing sheet of the present invention.
In the figure: 1. a flow switch body; 2. a probe; 3. a protection mechanism; 301. an upper fixing sheet; 302. a lower fixing sheet; 303. a movable frame; 304. a flow deflector; 305. a movable rod; 306. a collar; 307. a slide bar; 4. a protective cover; 5. an L-shaped plate; 6. a rubber vibration absorption pad; 7. a torsion spring; 8. a stainless steel filter screen; 9. a circular sheet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The enhanced explosion-proof thermal difference type flow switch shown in the attached figures 1-4 comprises a flow switch body 1, wherein a probe 2 is installed at the bottom of the flow switch body 1, and a protection mechanism 3 is arranged on the outer side of the probe 2;
the protection mechanism 3 comprises an upper fixing sheet 301 and a lower fixing sheet 302, a movable frame 303 is arranged between the upper fixing sheet 301 and the lower fixing sheet 302, a plurality of flow deflectors 304 are arranged on the movable frame 303, movable rods 305 are arranged on the flow deflectors 304 in a penetrating mode, two ends of each movable rod 305 are movably connected with the inner wall of the adjacent movable frame 303 respectively, and the cross sections of the flow deflectors 304 are all in a wave shape.
As shown in the attached figure 2, the surface of the probe 2 is provided with an anti-scale material layer, the anti-scale material layer is made of a zinc-chromium alloy material, and the surface structure of the probe 2 can be prevented in the using process, so that the using effect of the probe 2 is improved, and the detection accuracy is improved.
As shown in the attached drawings 3 and 4, the through hole is formed in the upper fixing plate 301, the probe 2 penetrates through the inner cavity of the through hole, the lantern ring 306 is fixedly connected to the top of the lower fixing plate 302, the bottom end of the probe 2 is located in the inner cavity of the lantern ring 306, the lantern ring can support and fix the probe 2, the probe 2 is prevented from being damaged by water flow due to long-time use, and the service life of the probe 2 is prolonged.
As shown in fig. 3, annular chutes have been respectively formed in the bottom of the upper fixing plate 301 and the top of the lower fixing plate 302, four sliding rods 307 are respectively slidably connected in the two annular chutes, one end of each of the eight sliding rods 307 adjacent to each other is fixedly connected to one side of the movable frame 303 adjacent to each other, and the sliding rods 307 are slidably connected to the annular chutes, so that the movable frame 303 can be driven to rotate under the action of water flow, thereby improving the flow guiding effect, enabling the water flow to the probe 2 uniformly, and improving the detection accuracy.
As shown in the attached drawing 1, the top of the flow switch body 1 is hinged with a protective cover 4, the protective cover 4 is in a circular shape, so that the control panel can be protected when the flow switch is not used, and dust is prevented from entering the interior from a gap to cause part damage.
As shown in the attached drawing 1, the left and right sides of the flow switch body 1 are provided with the L-shaped plates 5, the rubber vibration absorption pads 6 are fixedly connected to one adjacent sides of the two L-shaped plates 5, the torsion springs 7 are arranged between the two L-shaped plates 5 and the flow switch body 1, the torsion springs 7 can drive the rubber vibration absorption pads 6 to be attached to the surface of the pipeline through the L-shaped plates 5, vibration of a part of the pipeline is absorbed, and therefore vibration is prevented from being transmitted to the flow switch body 1 and the joint is not loosened.
As shown in the attached drawing 1, the bottom of the flow switch body 1 is provided with the stainless steel filter screen 8, the round piece 9 is fixedly connected to the bottom of the stainless steel filter screen 8, impurities in water flow can be filtered, and the probe 2 is prevented from being scratched to the surface to be damaged by hard impurities.
The working principle of the utility model is as follows: when the utility model is used, firstly, the flow switch body is arranged on the pipeline 1, when water flow passes through the flow switch body 1, the water flow firstly enters the interior of the flow switch body through the stainless steel filter screen 8, impurities carried in the water flow are filtered out, the damage caused by the fact that the surface of the probe 2 is scratched by hard impurities is avoided, after the water flow passes through the stainless steel filter screen 8, the water flow passes through the flow deflector 304, the flow deflector 304 can rotate around the movable rod 305 under the action of the water flow because the movable rod 305 is movably connected with the movable frame 303, the water deflector 304 can uniformly flow to the probe 2 under the common action of the flow deflectors 304, so that the probe 2 can more accurately measure the flow of the water, meanwhile, the damage of the probe 2 caused by the long-time impact of the water flow can be avoided, the service life of the probe 2 is prolonged, and simultaneously, the bottom end of the probe 2 can be fixed because of the lantern ring 306, improved the supporting effect to probe 2, excellent in use effect, therefore, the clothes hanger is strong in practicability, when installing flow switch body 1 on the pipeline, rotate L template 5, under torsional spring 7's effect, can make rubber inhale shake pad 6 and the laminating of pipeline surface, because flow switch body 1 is direct and the rigid connection of pipeline section, the pipeline often can take place vibrations when rivers flow, vibrations can directly transmit for flow switch body 1, can appear not hard uply after long-time the use, inhale after having set up rubber and having shaken pad 6, can absorb the vibration that some pipelines produced, the life of flow switch body 1 has been improved, excellent in use effect.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a flame-proof type thermal difference formula flow switch of intensive, includes the flow switch body, its characterized in that: a probe is arranged at the bottom of the flow switch body, and a protection mechanism is arranged on the outer side of the probe;
protection machanism includes stationary blade and lower stationary blade, go up the stationary blade and be equipped with the movable frame down between the stationary blade, be equipped with a plurality of water conservancy diversion pieces on the movable frame, it is a plurality of all run through on the water conservancy diversion piece and be equipped with the movable rod, it is a plurality of the movable rod both ends respectively with adjacent movable frame inner wall swing joint, it is a plurality of water conservancy diversion piece cross sectional shape all sets up to the wave.
2. The enhanced explosion-proof thermal difference type flow switch according to claim 1, characterized in that: and an anti-scale material layer is arranged on the surface of the probe and is made of a zinc-chromium alloy material.
3. The enhanced explosion-proof thermal difference type flow switch according to claim 1, characterized in that: the probe is characterized in that the upper fixing sheet is provided with a through hole, the probe penetrates through the inner cavity of the through hole, the top of the lower fixing sheet is fixedly connected with a lantern ring, and the bottom end of the probe is located in the inner cavity of the lantern ring.
4. The enhanced explosion-proof thermal difference type flow switch according to claim 1, characterized in that: and annular sliding grooves are formed in the bottom of the upper fixing piece and the top of the lower fixing piece, two sliding rods and eight sliding rods are connected in the annular sliding grooves in a sliding mode, and one side of each sliding rod adjacent to one end of each sliding rod is fixedly connected with one side of the movable frame adjacent to the other end of each sliding rod.
5. The enhanced explosion-proof thermal difference type flow switch according to claim 1, characterized in that: the flow switch body top articulates there is the protective cover, the protective cover is circular setting.
6. The enhanced explosion-proof thermal difference type flow switch according to claim 1, characterized in that: the flow switch body left and right sides all is equipped with the L template, two equal fixedly connected with rubber shock absorption pad in the adjacent one side of L template, two all be equipped with the torsional spring between L template and the flow switch body.
7. The enhanced explosion-proof thermal difference type flow switch according to claim 1, characterized in that: the flow switch is characterized in that a stainless steel filter screen is arranged at the bottom of the flow switch body, and a round piece is fixedly connected to the bottom of the stainless steel filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121864793.3U CN216213116U (en) | 2021-08-11 | 2021-08-11 | Enhanced explosion-proof thermal difference type flow switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121864793.3U CN216213116U (en) | 2021-08-11 | 2021-08-11 | Enhanced explosion-proof thermal difference type flow switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216213116U true CN216213116U (en) | 2022-04-05 |
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ID=80915569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121864793.3U Active CN216213116U (en) | 2021-08-11 | 2021-08-11 | Enhanced explosion-proof thermal difference type flow switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216213116U (en) |
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2021
- 2021-08-11 CN CN202121864793.3U patent/CN216213116U/en active Active
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