CN217874770U - Pressure reduction explosion-proof mechanism - Google Patents
Pressure reduction explosion-proof mechanism Download PDFInfo
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- CN217874770U CN217874770U CN202221993785.3U CN202221993785U CN217874770U CN 217874770 U CN217874770 U CN 217874770U CN 202221993785 U CN202221993785 U CN 202221993785U CN 217874770 U CN217874770 U CN 217874770U
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Abstract
The utility model relates to a shower equipment technical field especially relates to a step-down explosion-proof mechanism, including setting up pressure regulating seat and the pressure regulating lid in the pipeline, the inside water passing channel that is equipped with of pressure regulating seat, water passing channel's both ends are intake end and play water end respectively, the pressure regulating lid includes the vortex section of lid and one side thereof, the lid surface is equipped with a plurality of water holes of crossing, the vortex section has the toper end, the vortex section is equipped with the outer annular groove that a plurality of heads and tails meet in proper order in the terminal one side of keeping away from water end of toper, be equipped with the interior annular groove that a plurality of heads and tails meet in proper order in the water passing channel, the toper end of vortex section and a plurality of interior annular groove of outer annular groove and water passing channel are crisscross to be arranged. The utility model provides a step-down explosion-proof mechanism can play the step-down effect, can prevent that shower head from taking place to burst to pressure regulating seat and pressure regulating lid simple structure have lower manufacturing cost and lower ageing of moulding plastics.
Description
Technical Field
The utility model relates to a shower equipment technical field especially relates to a decompression explosion-proof mechanism.
Background
In a pressure pipeline, the flow rate of water is suddenly changed due to some external reasons (such as sudden closing of a valve and sudden stop of a water pump unit), so that water hammer is caused, and the hydraulic phenomenon is called water hammer or water hammer. The water hammer phenomenon easily causes the bursting of a pipeline or a device with relatively poor pressure bearing capacity. For example, when the water pressure in the shower pipe is rapidly increased or is continuously in a high pressure state, the shower head is easily burst.
Chinese utility model patent with patent publication No. CN110076017A, its patent name is the shower jet generating device who has an overpressure valve, discloses set up the pressure release characteristic at every delivery port position of showerhead and seek the technical scheme who solves the product problem of bursting that the product arouses because of water hammer impact or delivery port jam. Although the technical problem of product burst can be solved, the cost of the product is greatly increased, and the injection molding aging and the process difficulty are increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome exist among the prior art not enough, provide a decompression explosion-proof mechanism.
The utility model discloses a realize through following technical scheme:
a pressure reduction explosion-proof mechanism comprises a pressure regulating seat and a pressure regulating cover which are arranged in a pipeline, wherein the pressure regulating seat is fixedly installed to the pipeline, a water passing channel is arranged inside the pressure regulating seat, the two ends of the water passing channel are respectively provided with a water inlet end and a water outlet end, the pressure regulating cover comprises a cover body and a turbulence section on one side of the cover body, a plurality of water passing holes are formed in the surface of the cover body, the turbulence section extends into the water passing channel from the water inlet end, the turbulence section is integrally a rotating body and is provided with a conical tail end, one side, away from the water outlet end, of the turbulence section is provided with a plurality of outer annular grooves which are sequentially connected end to end, the depth of each outer annular groove is gradually reduced along the direction from the water outlet end to the water inlet end, a plurality of inner annular grooves which are sequentially connected end to end are arranged in the water passing channel, the number of the inner annular grooves is one more than that of the outer annular grooves, the depth of each inner annular groove is gradually reduced along the direction from the water outlet end to the water inlet end, and the conical tail end of each outer annular groove of the water passing section and the plurality of inner annular grooves are arranged in a staggered mode.
Preferably, the part of the water passing channel from the inner ring groove close to the water outlet end side to the water outlet end is a rectifying section, and the whole inner side surface of the rectifying section is an arc-shaped surface with an inwards concave middle part.
Preferably, the width of each outer ring groove is the same as that of each inner ring groove, an adjusting structure for adjusting the depth of the turbulence section extending into the water passing channel is arranged between the pressure regulating cover and the pipeline, the adjusting structure comprises an external thread arranged on the periphery of the pressure regulating cover and an internal thread arranged in the pipeline, and the internal thread is matched with the external thread.
Preferably, the pressure regulating seat is fixedly connected into the pipeline through interference fit.
Preferably, the periphery of the pressure regulating seat is provided with an annular bulge, an annular clamping step matched with the annular bulge is arranged in the pipeline, and the annular clamping step is positioned on one side, close to the water outlet end, of the annular bulge.
Preferably, a sealing ring is arranged between the annular bulge and the inner wall of the pipeline.
Preferably, the diameter of the outer ring groove at its shallowest point is the same as the diameter of the inner ring groove at its shallowest point.
Preferably, the water holes are distributed at equal angles along the axis of the turbulence section.
The utility model has the advantages that:
the pressure reduction explosion-proof mechanism provided by the utility model can play a pressure reduction role, when the water pressure in the shower pipeline is rapidly increased or is continuously in a high-pressure state, under the action of the mechanism, relatively lower water pressure can be kept in the shower head, the shower head can be prevented from bursting, and the pressure regulating seat and the pressure regulating cover have simple structures and lower manufacturing cost and lower injection molding timeliness; when water flows through the rectifying section, the wall-attached pressure of the pipeline of the water flow is increased, a negative pressure region is formed in the middle of the water outlet end, the water flow flows back from the side direction to the center to form a vortex, energy is lost, the flow velocity of the water flow is reduced, and therefore the pressure reduction effect can be further improved; the depth of the turbulent flow section extending into the water passing channel can be adjusted by rotating the pressure adjusting cover, so that the shortest distance from the shallowest part of the outer ring groove to the inner ring groove is adjusted, and when the shortest distance from the shallowest part of the outer ring groove to the inner ring groove is reduced, the pressure reduction effect is more obvious; the annular bulge is matched with the annular clamping step, so that the pressure regulating seat can be prevented from sliding in a pipeline under the impact of water flow, and the stability of the pressure regulating seat is improved; the sealing ring can prevent water flow from passing between the pressure regulating seat and the inner wall of the pipeline; the water holes distributed at equal angles have better drainage effect.
Drawings
Fig. 1 is an explosion structure schematic diagram of the pressure reduction explosion-proof mechanism of the utility model;
FIG. 2 is a schematic view of the internal structure of the pressure-reducing explosion-proof mechanism of the present invention;
fig. 3 is a schematic top view of the cover of the present invention;
fig. 4 is a schematic structural view of the pressure-reducing explosion-proof mechanism of the present invention installed in a pipeline;
fig. 5 is a schematic diagram of the pressure-reducing explosion-proof mechanism of the present invention.
In the figure: 1. a cover body; 2. an external thread; 3. an outer ring groove; 4. a tapered end; 5. a seal ring; 6. an annular projection; 7. a pressure regulating seat; 8. an inner ring groove; 9. a rectifying section; 10. water passing holes; 11. a pipeline.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in figures 1-5, the pressure-reducing explosion-proof mechanism provided by the utility model comprises a pressure-regulating seat 7 and a pressure-regulating cover which are arranged in a pipeline 11, wherein the pressure-regulating seat 7 is fixedly arranged on the pipeline 11, concretely, the pressure-regulating seat 7 can be arranged on the pipeline 11 at the joint of a shower head and a rain-drenching pipeline, a water channel is arranged in the pressure-regulating seat 7, the two ends of the water channel are respectively a water inlet end and a water outlet end, when the water flow in the pipeline 11 passes through the pressure-regulating seat 7 part, the water flow firstly enters the water channel from the water inlet end and then flows out of the water channel from the water outlet end, the pressure-regulating cover comprises a cover body 1 and a turbulence section at one side thereof, a plurality of water through holes 10 are arranged on the surface of the cover body 1, so that the turbulence flow in the pipeline 11 can pass through the water through holes 10, the turbulence section extends into the water channel from the water inlet end, the turbulence section is integrally a rotational body, the turbulence section has a conical end 4, the turbulent flow section is provided with a plurality of outer ring grooves 3 which are sequentially connected end to end on one side of a conical tail end 4 far away from a water outlet end, two outer ring grooves 3 are arranged in the embodiment, the depth of each outer ring groove 3 is gradually reduced along the direction from the water outlet end to the water inlet end, a plurality of inner ring grooves 8 which are sequentially connected end to end are arranged in the water passing channel, the number of the inner ring grooves 8 is one more than that of the outer ring grooves 3, three inner ring grooves 8 are arranged in the embodiment, the depth of each inner ring groove 8 is gradually reduced along the direction from the water outlet end to the water inlet end, the conical tail end 4 of the turbulent flow section and the two outer ring grooves 3 are arranged in a staggered mode with the three inner ring grooves 8 of the water passing channel, as shown in figure 5, when water flows pass through a gap between the turbulent flow section and the water passing channel, the water flows reach the deepest part of the inner ring grooves 8 and the deepest part of the outer ring grooves 3, fluid pressure and flow all can reduce to play the step-down effect, when water pressure in the shower pipeline increases rapidly or continuously is in the high pressure state, under the effect of this mechanism, can make and keep relatively lower water pressure in the showerhead, can prevent that showerhead from taking place to burst, and, pressure regulating seat 7 and pressure regulating lid simple structure have lower manufacturing cost and lower ageing of moulding plastics.
The water channel is a rectifying section 9 at the part from the inner ring groove 8 close to the water outlet end side to the water outlet end, the inner side face of the rectifying section 9 is integrally an arc-shaped face with an inwards concave middle part, when water flows through the rectifying section 9, the wall-attached pressure of a water flow pipeline is increased, a negative pressure area is formed in the middle of the water outlet end, the water flows back to the center from the side direction to form a vortex, the energy loss is reduced, the flow velocity of the water flow is reduced, and therefore the pressure reduction effect can be further improved.
The width of each outer annular groove 3 is the same, the width of each outer annular groove 3 is the same with the width of each inner annular groove 8, be equipped with between pressure regulating cover and pipeline 11 and be used for adjusting the regulation structure that the vortex section stretches into the water channel degree of depth, adjust the structure including locating the external screw thread 2 of pressure regulating cover periphery and locating the internal thread in pipeline 11, the internal thread can form the auto-lock with external screw thread 2, when pressure regulating cover threaded connection was in pipeline 11, can adjust the vortex section and stretch into the degree of depth of water channel through rotating pressure regulating cover to adjust the shortest distance between 3 shallowest departments of outer annular groove to inner annular groove 8, when the shortest distance between 3 shallowest departments of outer annular groove to inner annular groove 8 diminishes, the step-down effect is more obvious.
The pressure regulating seat 7 is fixedly connected into the pipeline 11 through interference fit, and the structure is simple.
The periphery of the pressure regulating seat 7 is provided with the annular bulge 6, the pipeline 11 is internally provided with the annular clamping step matched with the annular bulge 6, the annular clamping step is positioned on one side, close to the water outlet end, of the annular bulge 6, the pressure regulating seat 7 can be prevented from sliding in a pipeline under the impact of water flow, and the stability of the pressure regulating seat 7 is improved.
And a sealing ring 5 is arranged between the annular bulge 6 and the inner wall of the pipeline 11, so that water flow is prevented from passing between the pressure regulating seat 7 and the inner wall of the pipeline 11.
The diameter of the outer ring groove 3 at the shallowest position is the same as that of the inner ring groove 8 at the shallowest position, and the cooperation of the outer ring groove 3 and the inner ring groove 8 has a better pressure reduction effect.
The water holes 10 are distributed along the axis of the turbulence section at equal angles, and the drainage effect is better.
The utility model provides a pair of step-down explosion-proof mechanism's theory of operation is, rivers are at the clearance in-process through vortex section and cross water channel within a definite time, all have the backward flow trend when rivers reach interior annular groove deepest and outer annular groove deepest, and fluid pressure and flow all can reduce to play the step-down effect. The pressure reduction explosion-proof mechanism provided by the utility model can play a pressure reduction role, when the water pressure in the shower pipeline is rapidly increased or is continuously in a high-pressure state, under the action of the mechanism, relatively lower water pressure can be kept in the shower head, the shower head can be prevented from bursting, and the pressure regulating seat and the pressure regulating cover have simple structures and lower manufacturing cost and lower injection molding timeliness; when water flows through the rectifying section, the wall-attached pressure of the pipeline of the water flow is increased, a negative pressure region is formed in the middle of the water outlet end, the water flow flows back from the side direction to the center to form vortex, energy loss is caused, and the flow velocity of the water flow is reduced, so that the pressure reduction effect can be further improved; the depth of the turbulent flow section extending into the water passing channel can be adjusted by rotating the pressure adjusting cover, so that the shortest distance from the shallowest part of the outer ring groove to the inner ring groove is adjusted, and when the shortest distance from the shallowest part of the outer ring groove to the inner ring groove is reduced, the pressure reduction effect is more obvious; the annular bulge is matched with the annular clamping step, so that the pressure regulating seat can be prevented from sliding in a pipeline under the impact of water flow, and the stability of the pressure regulating seat is improved; the sealing ring can prevent water flow from passing between the pressure regulating seat and the inner wall of the pipeline; the water holes distributed at equal angles have better drainage effect.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A pressure reduction and explosion prevention mechanism is characterized by comprising a pressure regulating seat and a pressure regulating cover which are both arranged in a pipeline, wherein a water passing channel is arranged in the pressure regulating seat, the two ends of the water passing channel are respectively a water inlet end and a water outlet end, the pressure regulating cover comprises a cover body and a turbulence section on one side of the cover body, a plurality of water passing holes are formed in the surface of the cover body, the turbulence section extends into the water passing channel from the water inlet end, the turbulence section is integrally a rotating body, the turbulence section is provided with a conical tail end, a plurality of outer annular grooves which are sequentially connected end to end are arranged on one side, away from the water outlet end, of the conical tail end of the turbulence section, the depth of each outer annular groove gradually becomes shallow along the direction from the water outlet end to the water inlet end, a plurality of inner annular grooves which are sequentially connected end to end are arranged in the water passing channel, the number of the inner annular grooves is one more than that of the outer annular grooves, the depth of each inner annular groove gradually becomes shallow along the direction from the water outlet end to the water inlet end, and the conical tail end of the plurality of the outer annular grooves of the turbulence section and the outer annular grooves are arranged in a staggered manner with the inner annular grooves of the water passing channel.
2. The pressure reduction explosion-proof mechanism as claimed in claim 1, wherein the water passage is a rectifying section at a portion from the inner ring groove near the water outlet end to the water outlet end, and the inner side surface of the rectifying section is an arc surface with a concave middle portion.
3. The pressure reducing explosion-proof mechanism as claimed in claim 1, wherein the width of each outer ring groove is the same, the width of each outer ring groove is the same as that of each inner ring groove, an adjusting structure for adjusting the depth of the turbulent flow section extending into the water passage is arranged between the pressure regulating cover and the pipeline, the adjusting structure comprises an external thread arranged on the periphery of the pressure regulating cover and an internal thread arranged in the pipeline, and the internal thread is matched with the external thread.
4. The pressure reduction explosion-proof mechanism according to claim 1, wherein the pressure regulating seat is fixedly connected into the pipeline through interference fit.
5. The pressure reduction and explosion prevention mechanism according to claim 4, wherein an annular protrusion is arranged on the periphery of the pressure regulating seat, an annular clamping step matched with the annular protrusion is arranged in the pipeline, and the annular clamping step is positioned on one side of the annular protrusion, which is close to the water outlet end.
6. The pressure-reducing explosion-proof mechanism according to claim 5, wherein a sealing ring is arranged between the annular protrusion and the inner wall of the pipeline.
7. A pressure reducing explosion proof mechanism according to claim 1, wherein the diameter of the outer annular groove at its shallowest portion is the same as the diameter of the inner annular groove at its shallowest portion.
8. The pressure reduction explosion-proof mechanism as claimed in claim 1, wherein the plurality of water passing holes are distributed at equal angles along the axis of the spoiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221993785.3U CN217874770U (en) | 2022-07-29 | 2022-07-29 | Pressure reduction explosion-proof mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221993785.3U CN217874770U (en) | 2022-07-29 | 2022-07-29 | Pressure reduction explosion-proof mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN217874770U true CN217874770U (en) | 2022-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221993785.3U Active CN217874770U (en) | 2022-07-29 | 2022-07-29 | Pressure reduction explosion-proof mechanism |
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| CN (1) | CN217874770U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118007748A (en) * | 2024-04-10 | 2024-05-10 | 闽南消防科技有限公司 | Multi-branch control pressure stabilizing valve and fire hydrant |
-
2022
- 2022-07-29 CN CN202221993785.3U patent/CN217874770U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118007748A (en) * | 2024-04-10 | 2024-05-10 | 闽南消防科技有限公司 | Multi-branch control pressure stabilizing valve and fire hydrant |
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