CN101769812A - Indirect connecting method between throttle valve and pressure gauge - Google Patents
Indirect connecting method between throttle valve and pressure gauge Download PDFInfo
- Publication number
- CN101769812A CN101769812A CN200810208038A CN200810208038A CN101769812A CN 101769812 A CN101769812 A CN 101769812A CN 200810208038 A CN200810208038 A CN 200810208038A CN 200810208038 A CN200810208038 A CN 200810208038A CN 101769812 A CN101769812 A CN 101769812A
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- tensimeter
- pressure ring
- pedestal
- throttling valve
- fixed bolt
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Abstract
The invention relates to an indirect connecting method between a throttle valve and a pressure gauge, which is characterized by adopting two special parts: 1. a hexagonal fastening bolt with an internal thread and an external thread, wherein the internal thread and the external thread are coaxial and have opposite spiral directions, the external thread of the hexagonal fastening bolt is matched with the internal thread of a valve body of the throttle valve, and the internal thread of the hexagonal fastening bolt is matched with the external thread of a pedestal of the pressure gauge; 2. an annular pressure ring, wherein the pressure ring is rigid and annular, sections are longitudinally symmetrical, and the annular pressure ring is in the shape of an annular double-cone body and is placed between the bottom plane in a screw hole of the valve body and the bottom plane of the pedestal of the pressure gauge. The invention has the advantages that on the basis that the two special parts have each specific structural shape and function and a mutual procuring action, the indirect connecting method can obtain a remarkable effect, and the two special parts, i.e. the hexagonal fastening bolt and the pressure ring exert each function (fastening and sealing) when in fixing and fastening to realize a pulsation resisting type stainless steel pressure gauge with reliable fixing, good sealing performance, adjustable position of a screw rotary adjusting shaft and convenient operation.
Description
Technical field
The present invention relates to the indirect connecting method between a kind of throttling valve and the tensimeter, the indirect method of attachment between especially a kind of adjustable throttling valve and the tensimeter.
Background technology
Usually the pressure of measured medium is many with steady state pressure, though perhaps pressure changes to some extent and fluctuates, the speed that changes is generally all lower, and the scope of fluctuation is also less, promptly suitable half steady state pressure.Therefore, also just need not the adjustable throttling valve of adapted on tensimeter.If the pressure of measured medium is a kind ofly to have regular cyclical variation and with the higher frequency and the big fluctuation pressure of the width of cloth frequently, just must select a kind of Pulsation resistant type tensimeter that is directly matched by adjustable throttling valve and tensimeter for use.
For adapting to by measuring pressure is the bad condition of fluctuation pressure, adjustable throttling valve often with the supporting use of pressure measurement manometer.At present domestic and international adjustable throttling valve nearly all is to adopt the direct-type connection method with the form that is connected between the tensimeter.Throttling valve directly is threaded with tensimeter, though it is comparatively simple on structural design, but exist significantly not enough in actual use: general adjustable throttling valve and tensimeter all have the profile symmetry, after adopting the direct-type connection method to be connected and fixed, both just can't keep due symmetry, not only impair presentation quality, and the possibility that increases stochastic error is arranged; Adjustable throttling valve and tensimeter are connected and fixed with the direct-type connection method, most coherence requests that tune shaft position and tensimeter front (viewable portion) direction that all can't guarantee adjusting screw, adjusting screw tunes the uncertainty of shaft position, serious even convenience that directly have influence on operation.In order to remedy this defective, get only the packing washer of some kinds of different-thickness sizes of adapted sometimes, solve by the repeated disassembled and assembled debugging.Directly connection method is selected the plasticity seal made of material preferably for use, and along with the increase of the power of tightening up, the seal torsional deformation is aggravation thereupon also, influences the sealing property of complete machine.
Summary of the invention
The purpose of this invention is to provide a kind of fixing reliable, good seal performance, can make adjusting screw tune adjustable throttling valve and manometric indirect method of attachment that shaft position remains on easy to operate position.
For achieving the above object, the present invention adopts following technical scheme: the indirect connecting method between throttling valve and tensimeter is characterized in that having adopted two parts peculiars:
1) the hexagonal tight fixed bolt of band internal and external screw thread, described internal and external screw thread is coaxial and rotation direction is opposite, and the valve body internal thread of the external thread of described hexagonal tight fixed bolt and throttling valve is complementary, and described hexagonal tight fixed bolt internal thread and manometric pedestal external thread are complementary;
2) annular pressure ring, described annular pressure ring rigidity, ring-type, the upper and lower symmetry in cross section, bipyramid face body shape places between the interior baseplane of screw and manometric pedestal baseplane of described valve body ringwise.
The valve body of described hexagonal tight fixed bolt, throttling valve and manometric pedestal arranged coaxial.
When described hexagonal tight fixed bolt is fastened, force the valve body of throttling valve and manometric pedestal to produce rectilinear motion in opposite directions, extruding ring-type pressure ring.
Throttling valve and manometric indirect method of attachment specifically comprise the steps:
1. the hexagonal tight fixed bolt for preparing annular pressure ring and band internal and external screw thread by above-mentioned requirements;
2. pressure ring places on the interior baseplane of screw of throttling valve valve body;
3. the dextrorotation of hexagonal tight fixed bolt external thread enters in the screw of throttling valve valve body, until near pressure ring;
4. manometric pedestal external thread is left-handed to be entered in the screw of hexagonal tight fixed bolt, until contacting with pressure ring;
5. from operation smoothly conveniently, determine that adjusting screw tunes axial location, and repeat above-mentioned steps 3,4, between described hexagonal tight fixed bolt and tensimeter and throttling valve, be fastenedly connected, solid and reliable till.
The present invention between throttling valve and tensimeter, well-designed two kinds of parts, i.e. hexagonal tight fixed bolt and pressure ring.It is characterized in that the hexagonal tight fixed bolt is a kind of securing member with opposite coaxial outer, the internal thread of rotation direction.External thread wherein be used for connecting and fixed restrictive valve on valve body, internal thread then be used for connecting and the fixation pressure table on pedestal.Pressure ring is a kind of rigid seal that has identical ring-type bipyramid face body on two end faces, and it places between the baseplane and the externally threaded end face of pedestal of valve body inner bore.
Having distinctive separately structure form, function and mutual matchmaker's cooperation based on above-mentioned two kinds of parts peculiars uses, just make this indirect type connection method obtain tangible result, in fact, the mechanism of action of this connection method is very simple, be nothing but under by the effect of external force and produce corresponding snap-in force, by the interaction process of acting force and reacting force, final then so that the composition surface between each part that is connected obtains good closed surface.
The invention has the beneficial effects as follows: by means of hexagonal tight fixed bolt and these two parts peculiars of pressure ring, in fixing performance function (fastening and sealing) separately when fastening, realize position operation that fixing reliable, good seal performance and adjusting screw tune axle Pulsation resistant type stainless steel pressure table easily.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
The syndeton synoptic diagram of Fig. 1 coupling arrangement of the present invention;
Pressure ring section structure for amplifying synoptic diagram among Fig. 2 Fig. 1.
Among the figure, 1. hexagonal tight fixed bolt; 2. pressure ring; 3. adjusting screw tunes shaft position; 4. throttling valve; 5. tensimeter; 6. pedestal; 7. valve body.
Embodiment
As seen by shown in Figure 1, the indirect method of attachment that throttling valve 4 and tensimeter are 5 is characterized in that having adopted two parts peculiars:
1) the hexagonal tight fixed bolt 1 of band internal and external screw thread, described internal and external screw thread is coaxial and rotation direction is opposite, valve body 7 internal threads of the external thread of described hexagonal tight fixed bolt 1 and throttling valve 4 are complementary, and pedestal 6 external threads of described hexagonal tight fixed bolt 1 internal thread and tensimeter 5 are complementary;
2) annular pressure ring 2, described annular pressure ring 2 as shown in Figure 2, rigidity, ring-type, the upper and lower symmetry in cross section, bipyramid face body shape ringwise places (see figure 1) between pedestal 6 baseplanes of baseplane and tensimeter 5 in the screw of described valve body 7.
Usually, professional manufacturing plant is complementary the external thread (dextrorotation) of hexagonal tight fixed bolt 1 and valve body 7 internal threads of throttling valve 4, and described hexagonal tight fixed bolt 1 internal thread (left-handed) is complementary with pedestal 6 external threads of tensimeter 5.During indirect connection between throttling valve and tensimeter, often smoothly conveniently from operation, determine that adjusting screw tunes axle 3 positions, and repetition above-mentioned steps 3) dextrorotation of hexagonal tight fixed bolt external thread enters in the screw of throttling valve valve body, in the left-handed screw that enters the hexagonal tight fixed bolt of step 4) pedestal external thread, between described hexagonal tight fixed bolt 1 and tensimeter 5 and throttling valve 4, be fastenedly connected, solid and reliable till.The general custom right-hand operated, put on the axle right side, 3 position that tunes of adjusting screw; Operate as left-handed, the tuning axle 3 positions and can change a left side into and put of adjusting screw, connect screw-in depth by the 1 internal and external threads adjustment of hexagonal tight fixed bolt, because relate to the factors such as angular dimension of conical surface body on tolerance clearance between each part, the pressure ring 2, often to repeat to adjust repeatedly through 2～3 times, could finally realize fixing reliable, good seal performance, make adjusting screw tune axle and be positioned at easy to operate position.
When described hexagonal tight fixed bolt 1 is fastened, force the valve body 7 of throttling valve 4 and the pedestal 6 of tensimeter 5 to produce rectilinear motion in opposite directions, extruding ring-type pressure ring 2 finally makes between valve body 7 pressure rings 2, and between pressure ring 2 pedestals 6, there is not friction component, have only snap-in force, pressure ring 2 itself does not produce twist distortion, and snap-in force is big more, sealing property is good more, sealing property and reliability of fixation after being enough to guarantee to connect.
Claims (3)
1. the indirect connecting method between throttling valve and tensimeter is characterized in that having adopted two parts peculiars:
1) the hexagonal tight fixed bolt (1) of band internal and external screw thread, described internal and external screw thread is coaxial and rotation direction is opposite, valve body (7) internal thread of the external thread of described hexagonal tight fixed bolt (1) and throttling valve (4) is complementary, and pedestal (6) external thread of described hexagonal tight fixed bolt (1) internal thread and tensimeter (5) is complementary;
2) annular pressure ring (2), described annular pressure ring (2) rigidity, ring-type, the upper and lower symmetry in cross section, bipyramid face body shape ringwise places between pedestal (6) baseplane of baseplane and tensimeter (5) in the screw of described valve body (7).
2. according to the indirect connecting method between described throttling valve of claim 1 and tensimeter, it is characterized in that: pedestal (6) arranged coaxial of the valve body (7) of described hexagonal tight fixed bolt (1), throttling valve (4) and tensimeter (5).
3. according to the indirect connecting method between described throttling valve of claim 1 and tensimeter, it is characterized in that: when described hexagonal tight fixed bolt (1) is fastened, force the valve body (7) of throttling valve (4) and the pedestal (6) of tensimeter (5) to produce rectilinear motion in opposite directions, extruding ring-type pressure ring (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810208038A CN101769812A (en) | 2008-12-29 | 2008-12-29 | Indirect connecting method between throttle valve and pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810208038A CN101769812A (en) | 2008-12-29 | 2008-12-29 | Indirect connecting method between throttle valve and pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101769812A true CN101769812A (en) | 2010-07-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810208038A Pending CN101769812A (en) | 2008-12-29 | 2008-12-29 | Indirect connecting method between throttle valve and pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101769812A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404276A (en) * | 2016-12-13 | 2017-02-15 | 苏州天沃科技股份有限公司 | Pressure gauge installation structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2156372Y (en) * | 1993-04-20 | 1994-02-16 | 张明华 | Plunger type quantitative distributor |
| JPH08254274A (en) * | 1995-03-18 | 1996-10-01 | Hamai:Kk | Operating valve |
| US20060124661A1 (en) * | 2004-12-10 | 2006-06-15 | Siimes Thomas S | Gas pin valve with safety features |
| CN200985786Y (en) * | 2006-07-28 | 2007-12-05 | 中国石油天然气股份有限公司 | Pressure transmitter |
| CN101158449A (en) * | 2007-11-09 | 2008-04-09 | 中国寰球工程公司 | High-pressure source removing device |
-
2008
- 2008-12-29 CN CN200810208038A patent/CN101769812A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2156372Y (en) * | 1993-04-20 | 1994-02-16 | 张明华 | Plunger type quantitative distributor |
| JPH08254274A (en) * | 1995-03-18 | 1996-10-01 | Hamai:Kk | Operating valve |
| US20060124661A1 (en) * | 2004-12-10 | 2006-06-15 | Siimes Thomas S | Gas pin valve with safety features |
| CN200985786Y (en) * | 2006-07-28 | 2007-12-05 | 中国石油天然气股份有限公司 | Pressure transmitter |
| CN101158449A (en) * | 2007-11-09 | 2008-04-09 | 中国寰球工程公司 | High-pressure source removing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404276A (en) * | 2016-12-13 | 2017-02-15 | 苏州天沃科技股份有限公司 | Pressure gauge installation structure |
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Application publication date: 20100707 |