CN203858056U - Connection device of constant pressured pressure gage - Google Patents
Connection device of constant pressured pressure gage Download PDFInfo
- Publication number
- CN203858056U CN203858056U CN201420244416.3U CN201420244416U CN203858056U CN 203858056 U CN203858056 U CN 203858056U CN 201420244416 U CN201420244416 U CN 201420244416U CN 203858056 U CN203858056 U CN 203858056U
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- China
- Prior art keywords
- tensimeter
- connector
- normal
- meter connector
- pressure
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims description 16
- 238000010168 coupling process Methods 0.000 claims description 16
- 238000005859 coupling reaction Methods 0.000 claims description 16
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000010079 rubber tapping Methods 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model belongs to the technical field of fire-fighting gas fire extinguishing machines and devices, and specifically relates to a connection device of a constant pressured pressure gage. With the connection device, the problems of large work amount, low efficiency, and labor force waste of a container valve pressure gage in pressure maintaining and detecting are solved. The connection device comprises a pressure gage connection head, a gauge connection head and a connection head body which are disposed from top to bottom, and a switch nut which sleeves the gauge connection head. The connection device of the constant pressured pressure gage is simple to operate, good in sealing performance, safe, reliable, and good in versatility.
Description
Technical field
The utility model belongs to fire fighting gas fire-fighting machine device technique field, is specifically related to a kind of normal tensimeter coupling arrangement with pressure.
Background technology
Container value is the main parts size in gas extinguishing system, is arranged on steel cylinder, at ordinary times fire extinguishing agent is sealed up for safekeeping in steel cylinder, and when guard plot has fire to occur, detecting element sends fire alarm.Controller is beaten valve signal through postponing to send after receiving fire signal, starts the startup steel cylinder corresponding with guard plot.Start gas and open successively the selector valve of corresponding guard plot and the container value in fire extinguishing agent bottle group along starting pipe, fire extinguishing agent spurts mouth from container value and discharges, along high-pressure hose, arrive header, then by the selector valve being opened, arrive the guard plot enforcement fire extinguishing of breaking out of fire.
Now the container value pressure meter device major part on market because of its can not realize throughout the year with pressure, therefore at most of the time internal pressure table all in closed condition.In Practical Project, under fire extinguishing system quasi-operating status, during maintenance test pressure, need operator on duty to turn on one by one container value pressure gauge switch, workload is very large, and efficiency is very low, and directly perceived not.In addition the fault that the also easy generation leakage throughout the year with pressure of container value pressure meter device and tensimeter precision reduce.
Summary of the invention
The utility model technical issues that need to address are that existing container value pressure meter device switch amount when maintenance test pressure is large, and efficiency is very low, waste of manpower cost.
The technical solution of the utility model is as described below:
1, a normal tensimeter coupling arrangement with pressure, comprises tensimeter connector, also comprises the meter connector, the fittings body that arrange from top to bottom, and the switch nut that is set in meter connector outside.
Described tensimeter connector is arranged at normal tensimeter with pressure below, and its inner hollow, enters normal tensimeter with pressure for gas.
Described meter connector is arranged at tensimeter connector below, and its inside is provided with the air hole that is positioned at below and the blind hole that connects tensimeter connector and air hole, for carrying gas to normal tensimeter with pressure; Described meter connector outside is provided with projection, for supporting switch nut.
Described switch nut sleeve is loaded on meter connector outside, and it is set up in meter connector projection top, and the part of switch nut bottom and meter connector projection below keeps certain interval.
Described fittings body lower end connecting container valve is all open hollow tube-shape structures of upper and lower end face, its underpart connecting container valve, top can move up and down in the gap below described switch nut bottom and meter connector projection, with the switching of control table joint below air hole.
Preferably, switch nut lower inner wall and fittings body external wall of upper portion are provided with the screw thread matching, in gap by fittings body below switch nut bottom and meter connector projection, along screw thread rotation, realize in the gap of fittings body top below switch nut bottom and meter connector projection and moving up and down.
Preferably, tensimeter connector below outer wall and meter connector upper inner wall are provided with the taper thread matching, and the two is threaded connection.
Preferably, the part of meter connector projection below is provided with seal groove, places O-ring seal in seal groove.
Preferably, between fittings body and container value, be provided with sealing gasket.
Preferably, described meter connector top is provided with back-up ring, for the position of gauge tap nut.
Beneficial effect of the present invention is:
1, a kind of normal tensimeter coupling arrangement with pressure of the present utility model, simple operation, the opening and closing of pressure meter device, only need rotating nut, simple to operate, facilitate tensimeter to change;
2, a kind of normal tensimeter coupling arrangement with pressure of the present utility model, adopts linear sealing between pressure tapping and fittings body, and sealing is reliable, twice O type circle is guaranteed can not leak, between pressure tapping and tensimeter, adopt taper thread to connect, good seal performance is installed simply;
3, a kind of normal tensimeter coupling arrangement with pressure of the present utility model, back-up ring can prevent that switch nut from rotating through position, makes the safe and reliable of product;
4, a kind of normal tensimeter coupling arrangement with pressure of the present utility model, can be applicable in different systems, and versatility is good.
Accompanying drawing explanation
Fig. 1 is normal tensimeter coupling arrangement surface structure schematic diagram with pressure of the present invention;
Fig. 2 is normal tensimeter coupling arrangement inner structure sectional view with pressure of the present invention;
Wherein, 1-fittings body, 2-sealing gasket, 3-O-ring seal, 4-switch nut, 5-meter connector, 6-back-up ring.The normal tensimeter with pressure of 7-, 8-pressure tapping, 51-blind hole, 52-seal groove, 53-air hole, 54-limiting stand.
Embodiment
Below in conjunction with drawings and Examples, a kind of normal tensimeter coupling arrangement with pressure of the present invention is elaborated.
Figure 1 shows that the surface structure schematic diagram of apparatus of the present invention, it comprises fittings body 1, sealing gasket 2, O-ring seal 3, switch nut 4, meter connector 5, back-up ring 6, normal tensimeter 7 with pressure and pressure tapping 8.Figure 2 shows that the inner structure sectional view of device of the present invention, the below of wherein said normal tensimeter 7 with pressure is provided with pressure tapping 8, pressure tapping 8 outside surfaces are provided with external thread, inner hollow, can supplied gas enter normal tensimeter with pressure 7, the described external thread of pressure tapping 8 outside surfaces can be taper thread.The top of described meter connector 5 is hexagonal prism shape profile, there is the internal thread matching with pressure tapping 8 outside surface external threads inside, middle part is columniform limiting stand 54, the bottom of meter connector 5 is also cylindrical, the circumscribed circle diameter on the hexa-prism top of described meter connector 5 is less than the diameter of limiting stand 54, is greater than the diameter of cylindrical lower portion.The end of the cylindrical lower portion of described meter connector 5 is sphere, and spherical diameter is less than the diameter of described cylindrical lower portion, near on the sphere of described meter connector cylindrical lower portion, offers one, two or three air holes 53.Cylindricality center at described meter connector 5 also offers a blind hole 51 from top to bottom, and blind hole 51 is communicated with air hole 53, and gas can enter in blind hole 51 by air hole 53, then enters in normal tensimeter with pressure 7 by pressure tapping 8.Cylindrical lower portion outside surface at described meter connector 5 is also provided with one or two seal groove 52, is placed with O-ring seal 3 in seal groove 52.Described switch nut 4 is six prism profiles, its inside offers stepped through hole, the diameter of upper shoulder hole is greater than the described meter connector 5 external diameter of a circles in prism-shaped top, be less than the diameter of cylindrical limiting stand 54, the diameter in downstairs hole is greater than the diameter of described cylindrical limiting stand 54, the top of described meter connector 5 is successively through downstairs hole and the upper shoulder hole of switch nut 4, and described limiting stand 54 stays in downstairs hole, makes switch nut 4 cover in the outside of meter connector 5.Inside surface in the downstairs hole of switch nut 4 is also provided with screw thread.The top of described fittings body 1 is cylindrical shape, and bottom is six prisms, and the bottom external diameter of a circle of six prisms is less than the diameter of upper cylinder.The outside surface of described fittings body 1 upper cylinder is provided with the external thread matching with the inside surface screw thread in the downstairs hole of described switch nut 4, fittings body 1 can screw in the inside of switch nut 4, the right cylinder of described fittings body 1 bottom is also provided with external thread, can be threaded with container value.The center of fittings body 1 offers the different through hole of diameter under upper, upper and lower through hole is cylindric, upper through-hole diameter is slightly larger than the external diameter of described meter connector 5 cylindric bottoms, lower through-hole diameter is less than the diameter of described meter connector 5 lower end spheres, and upper and lower two through hole is communicated with by a up big and down small round table-like through hole.Described sealing gasket 2 is placed on described fittings body 1 bottom, between fittings body 1 and container value, seals.Described back-up ring 6 is fixed on the hexagonal prism shape on described meter connector 5 tops, prevent described switch nut 4 moved upward position.
Claims (6)
1. a normal tensimeter coupling arrangement with pressure, comprise tensimeter connector (8), it is characterized in that: also comprise the meter connector (5), the fittings body (1) that arrange from top to bottom, and be set in the outside switch nut (4) of meter connector (5);
Described tensimeter connector (8) is arranged at normal tensimeter with pressure (7) below, and its inner hollow, enters normal tensimeter with pressure (7) for gas;
Described meter connector (5) is arranged at tensimeter connector (8) below, its inside is provided with the air hole (53) that is positioned at below and the blind hole (51) that connects tensimeter connector (8) and air hole (53), for carrying gas to normal tensimeter with pressure (7); Described meter connector (5) outside is provided with projection, for supporting switch nut (4);
Described switch nut (4) is set in meter connector (5) outside, and it is set up in meter connector (5) projection top, and the part of switch nut (4) bottom and meter connector (5) projection below keeps certain interval;
Described fittings body (1) lower end connecting container valve is all open hollow tube-shape structures of upper and lower end face, its underpart connecting container valve, top can move up and down in the gap of described switch nut (4) bottom and meter connector (5) projection below, with the switching of control table joint (5) below air hole (53).
2. normal tensimeter coupling arrangement with pressure according to claim 1, it is characterized in that: switch nut (4) lower inner wall and fittings body (1) external wall of upper portion are provided with the screw thread matching, in gap by fittings body (1) below switch nut (4) bottom and meter connector (5) projection, along screw thread rotation, realize fittings body (1) top and move up and down in the gap of switch nut (4) bottom and meter connector (5) projection below.
3. normal tensimeter coupling arrangement with pressure according to claim 1 and 2, is characterized in that: tensimeter connector (8) below outer wall and meter connector (5) upper inner wall are provided with the taper thread matching, and the two is threaded connection.
4. normal tensimeter coupling arrangement with pressure according to claim 1 and 2, is characterized in that: the part of meter connector (5) projection below is provided with seal groove (52), places O-ring seal (3) in seal groove.
5. normal tensimeter coupling arrangement with pressure according to claim 1 and 2, is characterized in that: between fittings body (1) and container value, be provided with sealing gasket (2).
6. normal tensimeter coupling arrangement with pressure according to claim 1 and 2, is characterized in that: described meter connector (5) top is provided with back-up ring (6), for the position of gauge tap nut (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420244416.3U CN203858056U (en) | 2014-05-13 | 2014-05-13 | Connection device of constant pressured pressure gage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420244416.3U CN203858056U (en) | 2014-05-13 | 2014-05-13 | Connection device of constant pressured pressure gage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203858056U true CN203858056U (en) | 2014-10-01 |
Family
ID=51607902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420244416.3U Expired - Lifetime CN203858056U (en) | 2014-05-13 | 2014-05-13 | Connection device of constant pressured pressure gage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203858056U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181226A (en) * | 2015-05-21 | 2015-12-23 | 安徽华茂纺织股份有限公司 | Maintainable pressure gauge of spooler |
-
2014
- 2014-05-13 CN CN201420244416.3U patent/CN203858056U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181226A (en) * | 2015-05-21 | 2015-12-23 | 安徽华茂纺织股份有限公司 | Maintainable pressure gauge of spooler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141001 |
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| CX01 | Expiry of patent term |