CN204964099U - Pressure measurement valve - Google Patents
Pressure measurement valve Download PDFInfo
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- CN204964099U CN204964099U CN201520699139.XU CN201520699139U CN204964099U CN 204964099 U CN204964099 U CN 204964099U CN 201520699139 U CN201520699139 U CN 201520699139U CN 204964099 U CN204964099 U CN 204964099U
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- 238000009530 blood pressure measurement Methods 0.000 title abstract description 17
- 238000012360 testing method Methods 0.000 claims abstract description 47
- 230000008676 import Effects 0.000 claims abstract description 31
- 238000005520 cutting process Methods 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 230000000630 rising effect Effects 0.000 claims description 12
- 238000001514 detection method Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 210000000476 body water Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
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Abstract
The utility model provides a pressure measurement valve belongs to mechanical technical field. It has been solved current valve pressure measurement operation complicacy, has been detected inconvenient scheduling problem. This pressure measurement valve, including the inside valve body that be the cavity, the valve body lower extreme has the import, and the valve body lateral part has the export, is equipped with the case in the valve body, and the case is shaft -likely, and case threaded connection is in on the valve body, when rotating case messenger case for the valve body downstream, the case can cut off between importing and export, seted up the test passageway along the axis direction on the case, should test the passageway internal fixation has the block rubber, and the block rubber is outer fringe the face cylindric and block rubber closely laminates with the inner wall of test passageway, and when cutting off when the case will be imported and export between the import of test passageway and valve body just to communicateing. This pressure measurement valve have easy operation and can be fast, convenient the advantage such as test to pressure.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of valve, particularly relates to a kind of pressure valve.
Background technology
Valve is the control assembly in fluid delivery system, according to cut-off, adjustment, water conservancy diversion, prevent the functions such as adverse current, current stabilization, shunting or overflow pressure relief can be divided into numerous species, but which kind of valve all needs to detect it after production and processing completes or in inspection maintenance process, guarantee that valve meets eligible state in use, valve adopts corresponding valve detection equipment to carry out detecting, and mainly detected by the statistical conversion such as the pressure of the fluid of valve internal, flow.
Current valve, in order to detect easily, generally all can install a measuring head, a kind of push type measuring head [application number: 201220628727.0 disclosed in Chinese patent first specially on valve when detecting, Authorization Notice No.: CN202974365U], it comprises test syringe needle and tubular test subject, spring and tubular inner core is provided with in test subject, inner core has gear edge near one end of spring, and gear is along one end of sealing inner core, the top of test subject has shoulder block, one end of spring is against on test subject, the other end is resisted against the gear of inner core along upper, on the effect lower block edge of spring force, there is the trend be resisted against on shoulder block, make the top of inner core shutoff test subject, the sidepiece of inner core has some through holes, when testing, test syringe needle is inserted into in-core in test subject top, make inner core towards overcoming the elastic force of spring and moving towards spring side, make the intracavity inter-connection of through hole on inner core and test subject, thus make the fluid in valve body be flow in checkout equipment by test subject thus complete detection.
Though adopt above-mentioned measuring head can complete detection to valve preferably, but due to measuring head other special configuration after valve finished product, all need first measuring head to be connected on valve then just can detect when each detection, again measuring head is taken off from valve after detection completes, detection is so just caused to be got up inconvenient completely, particularly mount and dismount measuring head and also can waste many time, in addition, configuration testing head also can make whole production cost increase.
Utility model content
The purpose of this utility model is the problems referred to above existed for prior art, proposes a kind of simple to operate and can quickly and easily to the pressure valve that pressure is tested.
The purpose of this utility model realizes by following technical proposal:
A kind of pressure valve, comprise the inner valve body for cavity, described valve body lower end has import, described valve body sidepiece has outlet, spool is provided with in described valve body, it is characterized in that, described spool is shaft-like, described spool is threadedly connected in valve body upper end, spool described in when the spool described in rotating enables spool move downward relative to valve body cuts off between import and outlet, described spool offers test channel in the axial direction, described test channel internal fixtion has block rubber, described block rubber is cylindric and the inwall of the outer edge surface of block rubber and test channel fits tightly, and when spool by the import of test channel and the valve body described in when cutting off between import with outlet just to being communicated with.
During normal use, rotational valve core makes spool move upward relative to valve body, and be in communicating state between the import of valve body and outlet, the inner chamber that medium enters into valve body from the import of valve body lower end outwards flows out from the outlet of valve body sidepiece again.When needs pressure measurement, rotating backward spool makes spool rotate relative to valve body, spool cuts off between the import of valve body and the outlet of valve body in the process rotated, valve body cannot normally water outlet, simultaneously, the import of the test channel on spool and valve body is just to being communicated with, but because test channel internal fixtion has block rubber, therefore the medium being arranged in valve body inflow point also outwards cannot flow out from test channel, then the syringe needle of test is passed block rubber and is inserted into the inflow point of valve body by tester, now can detect the pressure medium of valve body inflow point.
This pressure valve by arranging block rubber in spool, pressure measuring function is directly integrated on valve body, when needs pressure measurement, rotational valve core is only needed to make it move down valve closing, again test syringe needle can be detected the intake pressure of valve body through block rubber, without the need to the measuring head of other connecting test again, pressure measurement can be carried out very quickly and easily, operate also very simple simultaneously.
In above-mentioned pressure valve, described spool lower end is tapered, have the sealing convex shoulder of annular inside described valve body, described sealing convex shoulder is between import and outlet, and when spool moves down, spool lower end can be resisted against on sealing convex shoulder and also will seal convex shoulder sealing.
Sealing convex shoulder is between import and outlet, the lower end of spool is tapered, when rotational valve core makes spool rotate relative to valve body, spool lower end abutment also will seal convex shoulder sealing on sealing convex shoulder, be cut off between the import of such valve body and outlet, medium cannot enter in outlet from import, and now valve cannot water outlet.Then only the syringe needle of test need to be inserted in the block rubber in spool and the inflow point penetrating into valve body can test.
In above-mentioned pressure valve, described spool lower end is threadedly connected in valve body upper end, described spool upper end is stretched out outside the upper end of valve body, described test channel comprises the connecting hole being opened in spool upper end and the pilot hole upwards offered from spool lower end, described connecting hole is connected with pilot hole and the aperture of pilot hole is greater than the aperture of connecting hole, and described block rubber is fixed in pilot hole by interference fit.
Spool upper end is stretched out outside valve body, mainly for the ease of operating spool, block rubber is fixed in the pilot hole of spool by interference fit, when needing pressure measurement, rotational valve core upper end, makes spool move down relative to valve body, the import of valve body and outlet cut off by spool, medium is only positioned at the inflow point of valve body, then the syringe needle of test is inserted through the inflow point of block rubber to valve body from the connecting hole of spool upper end, then just can test.
In above-mentioned pressure valve, described valve body threaded upper ends is connected with pressure cap, described pressure cap center is provided with through hole, described spool upper end is stretched out outside pressure cap from through hole, described spool lower end outside has external thread, and the externally threaded upper side of described spool lower end and the bottom of pressure cap lean.
Rotational valve core is used for the function that by-pass valve control realizes normal water outlet or pressure measurement, pressure cap is connected at valve body threaded upper ends, spool upper end is stretched out outside pressure cap, the externally threaded upper side of spool lower end and the bottom of pressure cap lean, the rotation distance of spool can be limited like this, prevent spool inordinate rotation and spin off from valve body, thus ensureing that spool can normally work.
In above-mentioned pressure valve, the inwall of the through hole of described pressure cap offers the seal groove of annular, in described seal groove, be provided with O-ring seal.
When not needing pressure measurement, rotational valve core makes it move up away from the positioning step in valve body, the import of such valve body is connected with outlet, now this pressure valve can be used as common valve use, because spool upper end is protruding from the through hole pressure cap, therefore seal groove being set on the through-hole wall of pressure cap and in seal groove, establishing O-ring seal can seal between spool and pressure cap, ensureing the sealing property of pressure valve when using as common valve.
In above-mentioned pressure valve, the upper end of described spool is bolted with cap, is fixed with rubber blanket inside described cap, and described spool upper end is resisted against the bottom of rubber blanket.
Be spirally connected in the upper end of spool cap, and inside cap, fix rubber blanket make spool upper end be resisted against the bottom of rubber blanket, like this when not needing to carry out pressure measurement, utilize cap by the shutoff of spool upper end, utilize the sealing between rubber blanket enhancing spool upper end and cap simultaneously, ensure to impact the sealing property of valve body again while increase pressure measuring function.
In above-mentioned pressure valve, there is outside described valve body lower end annular gear edge, outside described valve body, cover has turning set, described turning set inwall and valve body have water space between the outer wall in exit, outside described pressure cap, there is annular shoulder block, the two ends of described turning set keep off with annular respectively along and annular shoulder block lean, be provided with outside described turning set with above-mentioned go out the rising pipe that is connected of water space.
When not needing pressure measurement, this pressure valve uses as common valve, because existing pipeline is generally all along metope or corner distribution, makes the installation environment of valve comparatively undesirable.This pressure valve is by sheathed turning set on valve body, the annular shoulder block outside annular gear edge and pressure cap is utilized to carry out axial limiting to turning set, turning set can rotate relative to valve body, be provided with outside turning set and the rising pipe going out water space and be connected, can, by rotating the link position between regulation valve body and pipeline to turning set, make the connection of valve and pipeline convenient like this.
In above-mentioned pressure valve, the lateral surface of described annular shoulder block, annular keep off the lateral surface on edge and the lateral surface of turning set flushes.
When designing, the lateral surface of annular shoulder block, the annular gear lateral surface on edge and the lateral surface of turning set being arranged to mutually flush, the aesthetic measure of valve can being improved like this, the globality of valve can not be affected because of the setting of turning set.
In above-mentioned pressure valve, described rising pipe and turning set are integral type structure.Directly rising pipe and turning set are manufactured according to integral structure, the leak source between rising pipe and turning set can be reduced, improve sealing property.
In above-mentioned pressure valve, be respectively equipped with ring groove at the upper and lower of outlet outside described valve body, in described ring groove, be provided with O-ring seal.
Also and between the outer wall in the exit of valve body water space is formed out outward because turning set is enclosed within valve body, by arranging ring groove respectively at the upper and lower of outlet and arrange the sealing that O-ring seal can ensure between turning set and valve body outside valve body in ring groove, when preventing water outlet, medium flows out from water outlet gap location to the gap between valve body and turning set.
Compared with prior art, this pressure valve is by direct integrated pressure measuring function on valve body, spool is offered test channel and fixing block rubber, when rotational valve core moves downward valve closing, only the inflow point that test syringe needle is inserted into valve body through block rubber can need be detected pressure, without the need to other connecting test head again, operate very simple, can test pressure very quickly and easily; In addition, at the outside of valve body socket turning set, turning set is provided with rising pipe, and turning set freely can rotate relative to valve body, can relative position between adjusting water outlet tube and tube road by turning set, makes the installation of valve connection convenient.
Accompanying drawing explanation
Fig. 1 is the cut-open view of this pressure valve.
In figure, 1, valve body; 1a, import; 1b, outlet; 1c, sealing convex shoulder; 1d, annular gear edge; 1e, ring groove; 2, spool; 2a, test channel; 2a1, connecting hole; 2a2, pilot hole; 3, block rubber; 4, pressure cap; 4a, seal groove; 4b, annular shoulder block; 5, O-ring seal; 6, cap; 7, rubber blanket; 8, turning set; 9, water space is gone out; 10, rising pipe.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Embodiment one
As shown in Figure 1, a kind of pressure valve, comprise the inner valve body 1 for cavity, valve body 1 lower end has import 1a, valve body 1 sidepiece has outlet 1b, spool 2 is provided with in valve body 1, spool 2 is in shaft-like, spool 2 lower end has external thread, and valve body 1 has internal thread inside upper end, and spool 2 lower end is threadedly connected in valve body 1 upper end, valve body 1 threaded upper ends is connected with pressure cap 4, pressure cap 4 center is provided with through hole, and spool 2 upper end is stretched out pressure cap 4 from through hole and is positioned at outside the upper end of valve body 1, and the externally threaded upper side of spool 2 lower end and the bottom of pressure cap 4 lean.In the present embodiment, the inwall of the through hole of pressure cap 4 offers ringwise seal groove 4a, in seal groove 4a, is provided with O-ring seal 5.
Have the sealing convex shoulder 1c of annular inside valve body 1, sealing convex shoulder 1c is between the import 1a and outlet 1b of valve body 1, and spool 2 lower end is tapered, seals when spool 2 lower end abutment will seal convex shoulder 1c when sealing on convex shoulder 1c.Spool 2 offers test channel 2a in the axial direction, test channel 2a comprises the connecting hole 2a1 being opened in spool 2 upper end and the pilot hole 2a2 upwards offered from spool 2 lower end, pilot hole 2a2 is connected with connecting hole 2a1, and the aperture of pilot hole 2a2 is greater than the aperture of connecting hole 2a1, in pilot hole 2a2, be fixed with block rubber 3 by interference fit.In the present embodiment, the upper end of spool 2 is connected with cap 6, is fixed with rubber blanket 7 inside cap 6, and spool 2 upper end is resisted against the bottom of rubber blanket 7.
Outside valve body 1, cover has turning set 8, valve body 1 lower end outside has annular gear along 1d, the lower end abutment of turning set 8 is kept off along on 1d in annular, the outside of pressure cap 4 has annular shoulder block 4b, the upper end of turning set 8 is resisted against the bottom of annular shoulder block 4b, and lateral surface, the annular gear of annular shoulder block 4b flush along the lateral surface of 1d and the lateral surface of turning set 8.Inwall and the valve body 1 of turning set 8 have water space 9 between the outer wall exporting 1b place, be provided with outside turning set 8 and the rising pipe 10 going out water space 9 and be connected, rising pipe 10 and turning set 8 are integral type structure, in the present embodiment, be respectively equipped with ring groove 1e at the upper and lower of outlet 1b outside valve body 1, in ring groove 1e, be provided with O-ring seal 5.
This pressure valve is carry out using as common valve when not needing pressure measurement, rotational valve core 2 upper end, spool 2 is moved upward relative to valve body 1, the import 1a of the valve body 1 and outlet 1b of valve body 1 is in connected state, and the inner chamber that medium can enter into valve body 1 from the import 1a of valve body 1 flows out from the outlet 1b of valve body 1 sidepiece again.
When needs carry out pressure measurement, tester can rotate backward spool 2 upper end, spool 2 is made to produce downward motion relative to valve body 1, spool 2 lower end is tapered, the sealing convex shoulder 1c that spool 2 lower end can be resisted against inside valve body 1 in the process that spool 2 moves downward will seal convex shoulder 1c and seal, because sealing convex shoulder 1c is between the import 1a and outlet 1b of valve body 1, therefore the import 1a of valve body 1 is cut off with outlet 1b, and the import 1a of the pilot hole 2a2 of spool 2 lower end and valve body 1 is just to being communicated with, but because pilot hole 2a2 internal fixtion has block rubber 3, therefore medium outwards cannot flow out from pilot hole 2a2, now valve body 1 is in closed condition.Then the cap 6 of spool 2 upper end can take off by tester, test syringe needle is inserted connecting hole 2a1 and passes the import 1a place of block rubber 3 to valve body 1, so just can have detected the pressure at the import 1a place of valve body 1.
This pressure valve by arranging block rubber 3 in spool 2, be equivalent to pressure measuring function is directly integrated on valve body 1, when needs pressure measurement, rotational valve core 2 is only needed to make it move down valve closing, again test syringe needle can be detected the intake pressure of valve body 1 through block rubber 3, without the need to the measuring head of other connecting test again, pressure measurement can be carried out very quickly and easily, operate also very simple simultaneously.
In addition, because existing pipeline generally all distributes along metope or even corner, the installation environment of valve is caused not to be ideal, very inconvenient when valve is connected with pipeline.This pressure valve by being socketed a turning set 8 outside valve body 1, and utilize the gear of the annular on valve body 1 to carry out axial limiting along the annular shoulder block 4b on 1d and pressure cap 4 to turning set 8, simultaneously because turning set 8 freely can rotate relative to valve body 1, and turning set 8 has and the rising pipe 10 going out water space 9 and communicate, therefore when mounted, user can rotate to turning set 8 relative position adjusted between water pipe 10 and connecting tube, makes easier for installation.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (10)
1. a pressure valve, comprise the inner valve body (1) for cavity, described valve body (1) lower end has import (1a), described valve body (1) sidepiece has outlet (1b), spool (2) is provided with in described valve body (1), it is characterized in that, described spool (2) is in shaft-like, described spool (2) is threadedly connected in valve body (1) upper end, spool (2) described in when the spool (2) described in rotating makes spool (2) move downward relative to valve body (1) can cut off between import (1a) and outlet (1b), described spool (2) offers test channel (2a) in the axial direction, described test channel (2a) internal fixtion has block rubber (3), described block rubber (3) fits tightly in cylindric and the outer edge surface of block rubber (3) and test channel (2a) inwall, and when spool (2) by the import (1a) of test channel (2a) and valve body (1) described in when cutting off between import (1a) with outlet (1b) just to being communicated with.
2. pressure valve according to claim 1, it is characterized in that, described spool (2) lower end is tapered, described valve body (1) inner side has the sealing convex shoulder (1c) of annular, described sealing convex shoulder (1c) be positioned at import (1a) and outlet (1b) between, when spool (2) moves down spool (2) lower end can be resisted against sealing convex shoulder (1c) go up and will seal convex shoulder (1c) seal.
3. pressure valve according to claim 1, it is characterized in that, described spool (2) lower end is threadedly connected in valve body (1) upper end, described spool (2) upper end is stretched out outside the upper end of valve body (1), described test channel (2a) comprises the connecting hole (2a1) being opened in spool (2) upper end and the pilot hole (2a2) upwards offered from spool (2) lower end, described connecting hole (2a1) is connected with pilot hole (2a2) and the aperture of pilot hole (2a2) is greater than the aperture of connecting hole (2a1), described block rubber (3) is fixed in pilot hole (2a2) by interference fit.
4. the pressure valve according to claim 1 or 2 or 3, it is characterized in that, described valve body (1) threaded upper ends is connected with pressure cap (4), described pressure cap (4) center is provided with through hole, pressure cap (4) is stretched out outward in described spool (2) upper end from through hole, described spool (2) lower end outside has external thread, and the externally threaded upper side of described spool (2) lower end and the bottom of pressure cap (4) lean.
5. pressure valve according to claim 4, is characterized in that, the inwall of the through hole of described pressure cap (4) offers the seal groove (4a) of annular, is provided with O-ring seal (5) in described seal groove (4a).
6. pressure valve according to claim 1, it is characterized in that, the upper end of described spool (2) is bolted with cap (6), described cap (6) inner side is fixed with rubber blanket (7), and described spool (2) upper end is resisted against the bottom of rubber blanket (7).
7. pressure valve according to claim 4, it is characterized in that, described valve body (1) lower end outside has annular gear along (1d), described valve body (1) outside cover has turning set (8), described turning set (8) inwall and valve body (1) have water space (9) between the outer wall exporting (1b) place, described pressure cap (4) outside has annular shoulder block (4b), the two ends of described turning set (8) keep off with annular respectively and leaning along (1d) and annular shoulder block (4b), described turning set (8) outside be provided with above-mentioned go out the rising pipe (10) that is connected of water space (9).
8. pressure valve according to claim 7, is characterized in that, lateral surface, the annular gear of described annular shoulder block (4b) flush along the lateral surface of (1d) and the lateral surface of turning set (8).
9. pressure valve according to claim 7, is characterized in that, described rising pipe (10) and turning set (8) are integral type structure.
10. pressure valve according to claim 1, it is characterized in that, described valve body (1) outside is respectively equipped with ring groove (1e) at the upper and lower of outlet (1b), is provided with O-ring seal (5) in described ring groove (1e).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520699139.XU CN204964099U (en) | 2015-09-10 | 2015-09-10 | Pressure measurement valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520699139.XU CN204964099U (en) | 2015-09-10 | 2015-09-10 | Pressure measurement valve |
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| Publication Number | Publication Date |
|---|---|
| CN204964099U true CN204964099U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520699139.XU Active CN204964099U (en) | 2015-09-10 | 2015-09-10 | Pressure measurement valve |
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| CN (1) | CN204964099U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067183A (en) * | 2015-09-10 | 2015-11-18 | 赵宝林 | Pressure measuring valve |
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2015
- 2015-09-10 CN CN201520699139.XU patent/CN204964099U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067183A (en) * | 2015-09-10 | 2015-11-18 | 赵宝林 | Pressure measuring valve |
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| TR01 | Transfer of patent right |
Effective date of registration: 20180330 Address after: Zhejiang province 317609 Township Yuhuan City long Chen ao Village Patentee after: Yuhuan County Yuyuan Copper Product Factory Address before: 317606 Lian Xi lane, Zhao village, Taizhou, Yuhuan County, Zhejiang Province, No. 9 Patentee before: Zhao Baolin |