CN210567499U - Pressure reducer and pressure reducing device - Google Patents
Pressure reducer and pressure reducing device Download PDFInfo
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- CN210567499U CN210567499U CN201920520661.5U CN201920520661U CN210567499U CN 210567499 U CN210567499 U CN 210567499U CN 201920520661 U CN201920520661 U CN 201920520661U CN 210567499 U CN210567499 U CN 210567499U
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- pressure
- reducer
- movable block
- main body
- pressure reducing
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 66
- 238000007789 sealing Methods 0.000 claims description 7
- 230000006837 decompression Effects 0.000 abstract description 28
- 230000000694 effects Effects 0.000 abstract description 4
- 230000002265 prevention Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a pressure reducer and pressure relief device relates to pressure relief device technical field, include: a pressure reducing body and a relief valve assembly; the pressure reducing main body is provided with a pressure relief groove, and the safety valve component extends into the pressure relief groove and is detachably connected with the pressure reducing main body. Stretch into the pressure relief groove that the decompression main part was seted up through the relief valve subassembly, and the relief valve subassembly can be dismantled with the decompression main part and be connected, the convenience is pulled down the relief valve subassembly from the decompression main part, when having alleviated the relief valve of the current pressure reducer that exists among the prior art and having broken down, need send back the producer with a whole set of pressure reducer and proofread and maintain, the user is tearing open, relatively more troublesome technical problem when adorning a whole set of pressure reducer, the technological effect of quick with the safety valve subassembly from the pressure reducer dismouting has been realized.
Description
Technical Field
The utility model belongs to the technical field of the pressure relief device technique and specifically relates to a pressure reducer and pressure relief device are related to.
Background
The pressure reducer is a device for reducing the pressure of the high-pressure gas stored in the bottle to a low-pressure gas required for gas welding. Because of the high pressure in the cylinder and the low pressure required at the gas welding, gas cutting and point of use, a pressure reducer is required to reduce the higher pressure gas stored in the cylinder to a lower pressure gas and to ensure that the required operating pressure remains stable throughout. The pressure reducer is a regulating device which reduces high-pressure gas into low-pressure gas and keeps the pressure and flow of output gas stable and unchanged.
The existing pressure reducer is mainly of a single-stage pressure reducing structure, and an air inlet joint, an air outlet joint, a safety valve, a high pressure gauge and a low pressure gauge of the pressure reducer are fixedly connected with a valve body of the pressure reducer through threads; the valve plug screw slides in the ejector block and is matched with the pressure reducer body in a sliding mode, the ejector block is in threaded connection with the pressure reducer body, the rear cover is also in threaded connection with the pressure reducer valve body, and the rear cover compresses the diaphragm assembly. When gas enters from the gas inlet, the gas is decompressed after flowing through the valve plug screw to the decompression cavity of the body, and the outlet pressure of the gas is adjusted by compressing the pressure adjusting spring through the adjusting screw. The safety valve is communicated with the pressure reducing cavity of the pressure reducer valve body and is used for reducing the internal pressure when the pressure of the low-pressure cavity is increased.
However, the safety valve assembly of the existing pressure reducer is directly sealed with the pressure reducer valve body, and the pressure reducer cannot be independently assembled, when the safety valve fails, the whole pressure reducer needs to be sent back to a manufacturer for calibration and maintenance, and a user is troublesome in dismounting and mounting the whole pressure reducer.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pressure reducer and pressure relief device to when having alleviated the relief valve of the current pressure reducer that exists among the prior art and having broken down, need send back the producer with a whole set of pressure reducer and proofread and maintain, the user is dismantling, adorn the more troublesome technical problem of a whole set of pressure reducer time.
In order to solve the technical problem, the utility model provides a technical scheme lies in:
the utility model provides a pressure reducer, include: a pressure reducing body and a relief valve assembly;
the pressure reducing main body is provided with a pressure relief groove, and the safety valve component extends into the pressure relief groove and is detachably connected with the pressure reducing main body.
Further, the safety valve assembly includes a connecting portion and a moving portion;
the connecting part is internally provided with an accommodating cavity, the connecting part is provided with a flow channel communicated with the accommodating cavity, gas in the pressure reducing main body enters the accommodating cavity through the flow channel, and the moving part is arranged in the accommodating cavity so as to control the on-off of the flow channel;
the connecting part extends into the pressure relief groove and is detachably connected with the pressure reduction main body.
Further, the moving part comprises a movable block and an elastic piece;
the movable block and the elastic piece are arranged in the containing cavity, one end of the elastic piece is connected with the connecting portion, and the other end of the elastic piece is connected with the movable block, so that the movable block has a movement trend close to the flow channel.
Furthermore, one end of the movable block, which is far away from the elastic piece, is provided with a sealing gasket.
Further, the connecting part comprises a connecting body and a fixing part;
one end of the connecting body is detachably connected with the pressure reducing body, the other end of the connecting body is connected with the fixing portion, the connecting body is provided with a groove, the groove and the fixing portion form an accommodating cavity in a surrounding mode, and one end, far away from the movable block, of the elastic piece is connected with the fixing portion.
Further, the fixing part comprises a locking component and a fixing component;
the locking component is sleeved on the outer surface of the connecting main body, and the fixing component is connected with one end of the connecting main body, which is far away from the pressure reducing main body.
The pressure reducing device provided by the utility model comprises an air inlet joint, an air outlet joint and a pressure reducer;
the air inlet connector is connected with the air inlet direction of the pressure reducer, and the air outlet connector is connected with the air outlet direction of the pressure reducer.
Further, the pressure reduction device further comprises a first pressure detector and a second pressure detector;
the first pressure detector is connected with the pressure reducer, and the second pressure detector is connected with the air inlet connector through the connecting connector.
Further, the pressure reducing device also comprises a pipeline connecting piece;
the pipeline connecting piece is communicated with the air outlet joint.
Further, a fixing piece is arranged between the pipeline connecting piece and the air outlet joint so as to connect the pipeline connecting piece with the air outlet joint.
Technical scheme more than combining, the utility model discloses the beneficial effect who reaches lies in:
the utility model provides a pressure reducer, include: a pressure reducing body and a relief valve assembly; the pressure reducing main body is provided with a pressure relief groove, and the safety valve component extends into the pressure relief groove and is detachably connected with the pressure reducing main body. Stretch into the pressure relief groove that the decompression main part was seted up through the relief valve subassembly, and the relief valve subassembly can be dismantled with the decompression main part and be connected, the convenience is pulled down the relief valve subassembly from the decompression main part, when having alleviated the relief valve of the current pressure reducer that exists among the prior art and having broken down, need send back the producer with a whole set of pressure reducer and proofread and maintain, the user is tearing open, relatively more troublesome technical problem when adorning a whole set of pressure reducer, the technological effect of quick with the safety valve subassembly from the pressure reducer dismouting has been realized.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of a pressure reducer according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a safety valve assembly in a pressure reducer according to an embodiment of the present invention;
fig. 3 is a schematic view of an overall structure of a pressure reducing device according to an embodiment of the present invention.
Icon: 100-a reduced pressure body; 200-a safety valve assembly; 210-a connecting portion; 211-a connecting body; 212-a fixed part; 2121-a locking member; 2122-a fixation member; 220-a moving part; 221-a movable block; 222-a resilient member; 223-a gasket; 300-an air inlet joint; 400-air outlet joint; 500-a first pressure detector; 600-a second pressure detector; 700-pipe connections; 800-fixing part.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Fig. 1 is a schematic view of the overall structure of a pressure reducer provided in this embodiment; fig. 2 is a schematic structural view of a safety valve assembly in the pressure reducer provided in the present embodiment; fig. 3 is a schematic view of the overall structure of the pressure reducing device provided in this embodiment.
As shown in fig. 1 to 2, the present embodiment provides a pressure reducer including: the pressure reducing body 100 and the safety valve assembly 200; the pressure reducing main body 100 is provided with a pressure relief groove, and the safety valve assembly 200 extends into the pressure relief groove to be detachably connected with the pressure reducing main body 100.
Specifically, set up the pressure release groove on decompression main part 100, set up the internal thread in the pressure release groove, the one end that stretches into the pressure release groove at relief valve subassembly 200 sets up the external screw thread, through the cooperation of internal and external screw thread, make relief valve subassembly 200 stretch into in the pressure release groove, be connected fixedly with decompression main part 100, realize the detachable connection of relief valve subassembly 200 and decompression main part 100, when relief valve subassembly 200 damaged, can take off relief valve subassembly 200 from decompression main part 100, maintain relief valve subassembly 200 alone.
This embodiment provides a pressure reducer, includes: the pressure reducing body 100 and the safety valve assembly 200; the pressure reducing main body 100 is provided with a pressure relief groove, and the safety valve assembly 200 extends into the pressure relief groove to be detachably connected with the pressure reducing main body 100. Stretch into the pressure relief groove that decompression main part 100 was seted up through safety valve subassembly 200, and safety valve subassembly 200 can dismantle with decompression main part 100 and be connected, conveniently pull down safety valve subassembly 200 from decompression main part 100, when having alleviated the relief valve of the current pressure reducer that exists among the prior art and having broken down, need send the whole set of pressure reducer back the producer and proofread and maintain, the user is tearing open, relatively more troublesome technical problem when the pressure reducer of the whole set of dress, the technological effect of quick with safety valve subassembly 200 from the pressure reducer dismouting has been realized.
On the basis of the above-described embodiment, further, the present embodiment provides the safety valve assembly 200 in the pressure reducer, which includes the connecting portion 210 and the moving portion 220; an accommodating cavity is arranged in the connecting part 210, a flow channel communicated with the accommodating cavity is arranged on the connecting part 210, gas in the pressure reducing main body 100 enters the accommodating cavity through the flow channel, and the moving part 220 is arranged in the accommodating cavity to control the on-off of the flow channel; the connecting portion 210 extends into the pressure relief groove and is detachably connected to the pressure relief main body 100.
Specifically, the one end of connecting portion 210 that is close to decompression main part 100 is provided with the external screw thread, cooperatees with the internal thread in the pressure relief groove, makes connecting portion 210 and decompression main part 100 can dismantle and be connected, conveniently with connecting portion 210 from decompression main part 100 on quick assembly disassembly.
Be provided with flow channel on connecting portion 210, be provided with the holding chamber in the connecting portion 210, it is linked together with the holding chamber to found flow channel, gaseous accessible flow channel in the decompression main part 100 enters into the holding intracavity, removal portion 220 sets up in the holding intracavity, when gaseous in the decompression main part 100 enters into the holding intracavity through flow channel, gaseous drive removal portion 220 removes at the holding intracavity, gaseous follows the holding intracavity and lets out, play the slowing down to the pressure in the decompression main part 100, avoid the gas pressure in the decompression main part 100 too high, influence the normal use of decompression main part 100.
Further, the moving part 220 includes a moving block 221 and an elastic member 222; the movable block 221 and the elastic member 222 are disposed in the accommodating cavity, one end of the elastic member 222 is connected to the connecting portion 210, and the other end of the elastic member 222 is connected to the movable block 221, so that the movable block 221 has a movement tendency close to the flow channel.
Specifically, movable block 221 and elastic component 222 all set up in the holding intracavity, movable block 221 sets up in the one end that is close to decompression main part 100, elastic component 222 one end is connected fixedly with movable block 221, the other end and the connecting portion 210 of elastic component 222 are connected fixedly, elastic component 222 specifically sets up to compression spring, make movable block 221 have to the trend of motion that is close to decompression main part 100, when the gas pressure in the flow channel is higher than the elasticity that movable block 221 received, the movable block 221 is opened to the gas in the decompression main part 100 top, make gas enter into the holding intracavity and discharge, play the effect to the gas pressure release in the decompression main part 100.
Further, a sealing gasket 223 is disposed at an end of the movable block 221 away from the elastic member 222.
Specifically, a sealing gasket 223 is disposed at one end of the movable block 221 near the interior of the pressure reducing body 100, the sealing gasket 223 is fixedly connected to the movable block 221, and when the movable block 221 is not pushed open by high-pressure gas, the gas in the effective flow channel disposed in the sealing gasket 223 leaks from the movable block 221.
In addition, the width of the sealing pad 223 should be larger than the width of the flow channel and smaller than the width of the receiving cavity, so as to ensure that the gas in the flow channel cannot leak from the movable block 221 when the gas pressure in the flow channel is small, the movable block 221 does not move, and the elastic member 222 is not compressed, and the gas in the flow channel is released at the movable block 221 when the gas pressure in the flow channel is large, the movable block 221 moves, and the elastic member 222 is compressed.
In the pressure reducer provided by the present embodiment, by arranging the elastic member 222 and the movable block 221 in the accommodating cavity of the connecting portion 210, the elastic member 222 enables the movable block 221 to have a movement tendency close to the flow channel, when the gas pressure in the flow channel is relatively high, the movable block 221 moves in the accommodating cavity, the elastic member 222 is compressed, and the gas pressure in the flow channel is reduced; by the provision of the gasket 223, it is avoided that the gas in the flow channel leaks from the movable block 221 when the gas pressure is small.
On the basis of the above embodiment, further, the connecting portion 210 in the pressure reducer provided by the present embodiment includes a connecting body 211 and a fixing portion 212; one end of the connecting body 211 is detachably connected with the decompression body 100, the other end of the connecting body 211 is connected with the fixing portion 212, the connecting body 211 is provided with a groove, the groove and the fixing portion 212 enclose a containing cavity, and one end, far away from the movable block 221, of the elastic piece 222 is connected with the fixing portion 212.
Specifically, the one end that connecting body 211 stretches into the pressure relief groove sets up the external screw thread, and the external screw thread cooperatees with the internal thread that the pressure relief groove set up, realizes connecting body 211 and 100's the dismantlement of decompression main part to be connected, and connecting body 211's the other end and fixed part 212 are connected, and the setting of fixed part 212 effectively avoids connecting body 211 not hard up, improves connecting body 211's use strength.
Further, the fixing part 212 includes a loosening prevention member 2121 and a fixing member 2122; the anti-loosening member 2121 is sleeved on the outer surface of the connecting body 211, and the fixing member 2122 is connected to an end of the connecting body 211 away from the pressure reducing body 100.
Specifically, a thread is provided at an end of the connecting body 211 remote from the pressure reducing body 100, the anti-loose member 2121 and the fixing member 2122 are connected to the end of the connecting body 211 remote from the pressure reducing body 100, the anti-loose member 2121 is specifically configured as an anti-loose nut, and the fixing member 2122 is specifically configured as a sleeve nut to fix the connecting body 211.
The pressure reducer of the present embodiment is provided to effectively prevent the connecting body 211 from loosening by the provision of the loosening prevention member 2121 and the fixing member 2122.
On the basis of the above embodiments, as shown in fig. 3, the pressure reducer provided by the present embodiment includes an air inlet joint 300, an air outlet joint 400 and a pressure reducer; the air inlet connector 300 is connected with the air inlet direction of the pressure reducer, and the air outlet connector 400 is connected with the air outlet direction of the pressure reducer.
Specifically, the pressure reducer is provided with an air inlet connector 300 and an air outlet connector 400, which are connected with an external air inlet pipe and an external air outlet pipe.
Further, the pressure reduction apparatus further includes a first pressure detector 500 and a second pressure detector 600; the first pressure detector 500 is connected to the pressure reducer, and the second pressure detector 600 is connected to the intake connector 300 through a connection connector.
Specifically, the first pressure detector 500 is provided on the pressure reducer, the second pressure detector 600 is connected to the intake connector 300 through a connection joint, the first pressure detector 500 may be provided as a low pressure gauge, and the second pressure detector 600 may be provided as a high pressure gauge, and the gas pressure in the pressure reducer is detected using the low pressure gauge and the high pressure gauge.
Further, the pressure reduction device further comprises a pipe connection 700; the pipe connection 700 communicates with the outlet joint 400.
Specifically, the air outlet connector 400 is provided with a pipe connector 700, the air outlet connector 400 is connected with an external pipe through the pipe connector 700, and the pipe connector 700 is specifically configured as a hose connector.
Further, a fixing member 800 is provided between the pipe connection member 700 and the outlet joint 400 to connect the pipe connection member 700 and the outlet joint 400.
Specifically, the pipe connection member 700 is connected and fixed to the air outlet connector 400 through the fixing member 800 and the air outlet connector 400, and the fixing member 800 is specifically configured as an air outlet nut.
The pressure reducer provided by the present embodiment detects the gas pressure in the pressure reducer by the arrangement of the first pressure detector 500 and the second pressure detector 600; through the arrangement of the pipe connection member 700, it is convenient for the external air pipe to communicate with the air outlet connector 400 through the pipe connection member 700.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; 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 or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (5)
1. A stress-reducer, characterized by comprising: a pressure reducing body and a relief valve assembly;
the pressure reducing main body is provided with a pressure relief groove, and the safety valve assembly extends into the pressure relief groove and is detachably connected with the pressure reducing main body;
the safety valve assembly includes a connecting portion and a moving portion;
an accommodating cavity is arranged in the connecting part, a flow channel communicated with the accommodating cavity is arranged on the connecting part, gas in the pressure reducing main body enters the accommodating cavity through the flow channel, and the moving part is arranged in the accommodating cavity to control the on-off of the flow channel;
the connecting part extends into the pressure relief groove and is detachably connected with the pressure relief main body;
the moving part comprises a movable block and an elastic piece;
the movable block and the elastic piece are arranged in the accommodating cavity, one end of the elastic piece is connected with the connecting part, and the other end of the elastic piece is connected with the movable block, so that the movable block has a movement trend close to the flow channel;
a sealing gasket is arranged at one end of the movable block, which is far away from the elastic part;
the connecting part comprises a connecting body and a fixing part;
one end of the connecting body is detachably connected with the pressure reducing body, the other end of the connecting body is connected with the fixing part, the connecting body is provided with a groove, the groove and the fixing part form an accommodating cavity in a surrounding mode, and one end, far away from the movable block, of the elastic piece is connected with the fixing part;
the fixing part comprises a locking component and a fixing component;
the anti-loosening member is sleeved on the outer surface of the connecting main body, and the fixing member is connected with one end, far away from the pressure reducing main body, of the connecting main body.
2. A pressure reducing device comprising an inlet connection, an outlet connection and a pressure reducer according to claim 1;
the air inlet connector is connected with the air inlet direction of the pressure reducer, and the air outlet connector is connected with the air outlet direction of the pressure reducer.
3. The pressure relief device of claim 2, further comprising a first pressure detector and a second pressure detector;
the first pressure detector is connected with the pressure reducer, and the second pressure detector is connected with the air inlet joint through a connecting joint.
4. The pressure relief device of claim 2, further comprising a conduit connection;
the pipeline connecting piece is communicated with the air outlet joint.
5. The pressure relief device of claim 4, wherein a fastener is disposed between said conduit connector and said outlet fitting to connect said conduit connector to said outlet fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920520661.5U CN210567499U (en) | 2019-04-16 | 2019-04-16 | Pressure reducer and pressure reducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920520661.5U CN210567499U (en) | 2019-04-16 | 2019-04-16 | Pressure reducer and pressure reducing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210567499U true CN210567499U (en) | 2020-05-19 |
Family
ID=70631570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920520661.5U Expired - Fee Related CN210567499U (en) | 2019-04-16 | 2019-04-16 | Pressure reducer and pressure reducing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210567499U (en) |
-
2019
- 2019-04-16 CN CN201920520661.5U patent/CN210567499U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200519 |
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| CF01 | Termination of patent right due to non-payment of annual fee |