CN204679225U - Press-down type ball valve proving installation - Google Patents
Press-down type ball valve proving installation Download PDFInfo
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- CN204679225U CN204679225U CN201520449831.7U CN201520449831U CN204679225U CN 204679225 U CN204679225 U CN 204679225U CN 201520449831 U CN201520449831 U CN 201520449831U CN 204679225 U CN204679225 U CN 204679225U
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Abstract
The utility model discloses a kind of press-down type ball valve proving installation, be intended to overcome the low deficiency of the large detection efficiency of ball valve air-tightness testing device volume of the prior art.It comprises base, the holder of cylindricality, upper capping, suspension and lower air cylinder, described holder low side is coaxially arranged with cylindricality seat, holder inside is provided with the interior pipe vertically running through holder and cylindricality seat, bottom surface, interior pipe lower end is provided with the cylindrical block head coaxial with interior pipe and is provided with gas-flow closure circle, base is provided with inner chamber, interior cavity wall is provided with dividing plate, the gas-filled tube of gas-flow closure circle is communicated with upper chamber, lower air cylinder is suspended in above holder by suspension, in upper capping end face is vertical, pipe axially and be provided with sealing gasket, sealing gasket is provided with test tracheae.The beneficial effects of the utility model are: (1) device takes up room little, and applicability is strong; (2) damage of test job efficiently and accurately (3) to the connecting tube mouth of pipe of to be measured is less, ensures product quality.
Description
Technical field
The utility model relates to ball valve air tightness test field, particularly relates to a kind of device for ball valve air tightness test machine.
Background technology
PE pipe ball valve makes opening and closing element with the spheroid of band manhole, and spheroid rotates with valve rod, to realize the valve of switching motion.Conventional its structure of PE pipe ball valve mainly comprise middle part cylinder valve main body, be arranged on the connecting tube at valve body two ends and be arranged on the valve stem sleeve of valve body side.
When prior art is tested ball valve, usual employing sealing gasket or O-ring seal are placed in the outside at ball valve two ends, the mouth of pipe of the connecting tube at ball valve two ends is clamped in again with devices such as cylinders, thus sealing gasket or O-ring seal and ball valve two ends are formed seal, ball valve after whole sealing is immersed in the water, then passes into pressure gas toward ball valve inside and check its sealing property.The program has the following disadvantages: need detection frame and ball valve to be measured to be all immersed in the water, complex operation, needs pond subtest simultaneously, and equipment volume takies greatly large quantity space, and detection efficiency is low; Need that larger pressure is applied to the mouth of pipe of the connecting tube at ball valve two ends simultaneously and easily cause malformation, quality of connection when impact uses.
Utility model content
The utility model is that the large detection efficiency of ball valve air-tightness testing device volume of the prior art is low to be waited not enough in order to overcome, and provides a kind of equipment volume little and effectively can improve the press-down type ball valve proving installation of detection efficiency.
To achieve these goals, the utility model is by the following technical solutions:
A kind of press-down type ball valve proving installation of the present utility model, comprise base, the holder of cylindricality, upper capping, suspension and lower air cylinder, described holder low side is coaxially arranged with cylindricality seat, holder inside is provided with the interior pipe vertically running through holder and cylindricality seat, interior pipe upper end is at holder top end opening, in the middle part of interior pipe, caliber reduces to form positioning step, interior pipe lower end closed, holder side is provided with the open slot of upper end open, pipe in described open slot is communicated with, bottom surface, interior pipe lower end is provided with the cylindrical block head coaxial with interior pipe, described block head is provided with lower test tracheae, block head side is provided with gas-flow closure circle, described base top surface is provided with the inner chamber coordinating holder, inner chamber is provided with dividing plate and inner chamber is divided into upper chamber and lower chambers, dividing plate center is provided with the through hole coordinating cylindricality seat, hermetically-sealed construction is provided with between upper chamber and holder and between dividing plate and cylindricality seat, the gas-filled tube of gas-flow closure circle is communicated with upper chamber, is provided with elastic supporting mechanism between cylindricality seat lower end and lower chambers bottom surface, lower air cylinder is suspended in above holder by suspension, and its launch direction points to holder straight down, and upper capping is arranged on the lever end of lower air cylinder, and in upper capping end face is vertical, pipe axially and be provided with sealing gasket, and sealing gasket is provided with test tracheae.
PE pipe ball valve to be measured is vertically placed in holder, and valve body is located by interior pipe and positioning step, and valve stem sleeve is placed in open slot and strengthens position stability.Lower block head stretches into the connecting tube that PE pipe ball valve is positioned at below.When test starts, press down capping in air cylinder driven and push up pressure PE pipe ball valve and holder downwards, holder is slide downward in base.Now upper chamber's volume reduces, and air realizes the sealing to below connecting tube by the gas-filled tube space entered between gas-flow closure circle intumescent filler block head and connecting tube.Simultaneously elastic supporting mechanism provides restoring force straight up to lift holder and PE pipe ball valve, after lower air cylinder has pressed down, has made the sealing gasket of top cover labyrinth end face closely be close to connecting tube above PE pipe ball valve, realizes the sealing to this one end connecting tube.Test gas circuit by upper and lower test tracheae to injecting compressed air in PE pipe ball valve, and by the change of pressure transducer test PE pipe ball valve air pressure inside to reach the bubble-tight object of test.This programme does not need frame and test block entirety to test as in water, enormously simplify operation to improve testing efficiency.Effectively reduce with the overall vertically setting of timer and take up room, ensure that the property on probation of device.Compare simultaneously and merely stressed sealing means is executed to connecting tube place, both sides, restoring force is provided to compress the connecting tube of top because this programme arranges elastic supporting mechanism, below connecting tube is not then subject to pressure on top surface, therefore the damage of this programme to the connecting tube mouth of pipe of to be measured is less, submits product service property (quality) to.
As preferably, it is inner that the gas-filled tube of gas-flow closure circle is arranged on cylindricality seat, and its end extends to cylindricality seat side near one end of holder and opening, and its opening is positioned at upper chamber inside.Gas-filled tube makes gas-flow closure circle be communicated with upper chamber, during by pressing down holder compression upper chamber space, automatically to the inflation of gas-flow closure circle, it can be made to expand and realize sealing.
As preferably, holder side lower edge is provided with O-ring seal, inside the through hole in the middle part of dividing plate, is arranged with O-ring seal.Make upper chamber form seal cavity to be only connected with gas-flow closure circle, holder and cylindricality seat play the effect of piston, during by compression upper chamber space, can automatically inflate gas-flow closure circle.
As preferably, elastic supporting mechanism comprises the spring of some vertical settings, and described spring one end connects the other end bottom cylindricality seat and connects lower chambers bottom surface.Spring-return power is for supporting holder, cylindricality seat and to be measured, and simultaneously when lower air cylinder presses down, spring-compressed restoring force increases, and makes the connecting tube of to be measured top and sealing gasket fit tightly and realize sealing when arriving equilibrium state.
As preferably, cylindricality seat lower end is through the through hole in the middle part of dividing plate and side is provided with spacing preiection.Spacing preiection restriction cylindricality seat lifting height, by holder and to be measured ejection when preventing elastic supporting mechanism from resetting.
The beneficial effects of the utility model are: (1) device takes up room little, and applicability is strong; (2) damage of test job efficiently and accurately (3) to the connecting tube mouth of pipe of to be measured is less, ensures product quality.
Accompanying drawing explanation
Fig. 1 is cross-sectional schematic of the present utility model;
Fig. 2 is the cross-sectional schematic of the utility model test mode.
In figure: 1 base; 11 upper chamber; 12 lower chambers; 13 dividing plates; 14 springs; 2 holders; Pipe in 21; 22 positioning steps; 23 open slots; 24 cylindricality seats; 25 block heads; 26 times test tracheaes; 27 spacing preiections; Capping on 3; 31 sealing gaskets; Tracheae is tested on 32; 4 suspensions; 5 times air cylinders; 6 gas-flow closure circles; 61 gas-filled tubes; 7 O-ring seals; 8PE pipe ball valve.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
As shown in Figure 1, a kind of press-down type ball valve proving installation of the present utility model, comprise base 1, the holder 2 of cylindricality, upper capping 3, suspension 4 and lower air cylinder 5, described holder 2 low side is coaxially arranged with cylindricality seat 24, holder 2 inside is provided with the interior pipe 21 vertically running through holder 2 and cylindricality seat 24, interior pipe 21 upper end is at holder 2 top end opening, in the middle part of interior pipe 21, caliber reduces to form positioning step 22, interior pipe 21 lower end closed, holder 2 side is provided with the open slot 23 of upper end open, described open slot 23 is communicated with interior pipe 21, bottom surface, interior pipe 21 lower end is provided with the cylindrical block head 25 coaxial with interior pipe 21, shown block head 25 is provided with lower test tracheae 26, block head 25 side is provided with gas-flow closure circle 6.
Described base 1 end face is provided with the inner chamber coordinating holder 2, and inner chamber is provided with dividing plate 13 and inner chamber is divided into upper chamber 11 and lower chambers 12, and dividing plate 13 center is provided with the through hole coordinating cylindricality seat 24.Holder 2 side lower edge is provided with O-ring seal 7, inside the through hole in the middle part of dividing plate 13, is arranged with O-ring seal 7.Cylindricality seat 24 lower end is passed the through hole in the middle part of dividing plate 13 and side is provided with spacing preiection 27.
It is inner that the gas-filled tube 61 of gas-flow closure circle 6 is arranged on cylindricality seat 24, and its end extends to cylindricality seat 24 side near one end of holder 2 and opening, and it is inner that its opening is positioned at upper chamber 11.Gas-filled tube 61 makes gas-flow closure circle 6 be communicated with upper chamber 11, when compressing upper chamber 11 space by pressing down holder 2, can automatically inflate gas-flow closure circle 6, makes it expand and realizes sealing.
Elastic supporting mechanism is provided with between cylindricality seat 24 lower end and lower chambers 12 bottom surface.Described elastic supporting mechanism comprises the spring 14 of some vertical settings, and described spring 14 one end connects the other end bottom cylindricality seat 24 and connects lower chambers 12 bottom surface.
Lower air cylinder 5 is suspended in above holder 2 by suspension 4, its launch direction points to holder 2 straight down, upper capping 3 is arranged on the lever end of lower air cylinder 5, and in upper capping 3 end face is vertical, pipe 21 axially and be provided with sealing gasket 31, and sealing gasket 31 is provided with test tracheae 32.
Upper and lower test tracheae is connected with test gas circuit, and described test gas circuit is provided with pressure transducer.Described test gas circuit comprises high-pressure air source and is provided with pressure transducer for testing the pressure change of upper and lower test tracheae, belongs to the current techique in air tightness test field, does not repeat them here.
As shown in Figure 1 and Figure 2, PE pipe ball valve 8 to be measured is vertically placed in holder 2, and valve body is located by interior pipe 21 and positioning step 22, and valve stem sleeve is placed in open slot 23 and strengthens position stability.Lower block head 25 stretches into the connecting tube that PE pipe ball valve 8 is positioned at below.When test starts, lower air cylinder 5 drives upper capping 3 top pressure PE pipe ball valve 8 and holder 2 downwards, and holder 2 is slide downward in base 1.Now upper chamber 11 volume reduces, and air realizes the sealing to below connecting tube by gas-filled tube 61 space entered between gas-flow closure circle 6 intumescent filler block head 25 and connecting tube.Simultaneously spring 14 provides restoring force straight up to lift holder 2 and PE pipe ball valve 8, after lower air cylinder 5 has pressed down, has made the sealing gasket 31 of top cover labyrinth end face closely be close to connecting tube above PE pipe ball valve 8, realizes the sealing to this one end connecting tube.Test gas circuit by upper and lower test tracheae to injecting compressed air in PE pipe ball valve 8, and by the change of pressure transducer test PE pipe ball valve 8 air pressure inside to reach the bubble-tight object of test.This programme does not need frame and test block entirety to test as in water, enormously simplify operation to improve testing efficiency.Effectively reduce with the overall vertically setting of timer and take up room, ensure that the property on probation of device.Compare simultaneously and merely stressed sealing means is executed to connecting tube place, both sides, restoring force is provided to compress the connecting tube of top because this programme arranges spring 14, below connecting tube is not then subject to pressure on top surface, therefore the damage of this programme to the connecting tube mouth of pipe of to be measured is less, submits product service property (quality) to.
Claims (5)
1. a press-down type ball valve proving installation, it is characterized in that, comprise base, the holder of cylindricality, upper capping, suspension and lower air cylinder, described holder low side is coaxially arranged with cylindricality seat, holder inside is provided with the interior pipe vertically running through holder and cylindricality seat, interior pipe upper end is at holder top end opening, in the middle part of interior pipe, caliber reduces to form positioning step, interior pipe lower end closed, holder side is provided with the open slot of upper end open, pipe in described open slot is communicated with, bottom surface, interior pipe lower end is provided with the cylindrical block head coaxial with interior pipe, described block head is provided with lower test tracheae, block head side is provided with gas-flow closure circle, described base top surface is provided with the inner chamber coordinating holder, inner chamber is provided with dividing plate and inner chamber is divided into upper chamber and lower chambers, dividing plate center is provided with the through hole coordinating cylindricality seat, hermetically-sealed construction is provided with between upper chamber and holder and between dividing plate and cylindricality seat, the gas-filled tube of gas-flow closure circle is communicated with upper chamber, is provided with elastic supporting mechanism between cylindricality seat lower end and lower chambers bottom surface, lower air cylinder is suspended in above holder by suspension, and its launch direction points to holder straight down, and upper capping is arranged on the lever end of lower air cylinder, and in upper capping end face is vertical, pipe axially and be provided with sealing gasket, and sealing gasket is provided with test tracheae, upper and lower test tracheae is connected with test gas circuit, and described test gas circuit is provided with pressure transducer.
2. press-down type ball valve proving installation according to claim 1, is characterized in that, it is inner that the gas-filled tube of gas-flow closure circle is arranged on cylindricality seat, and its end extends to cylindricality seat side near one end of holder and opening, and its opening is positioned at upper chamber inside.
3. press-down type ball valve proving installation according to claim 1 and 2, is characterized in that, holder side lower edge is provided with O-ring seal, is arranged with O-ring seal inside the through hole in the middle part of dividing plate.
4. press-down type ball valve proving installation according to claim 1 and 2, is characterized in that, elastic supporting mechanism comprises the spring of some vertical settings, and described spring one end connects the other end bottom cylindricality seat and connects lower chambers bottom surface.
5. press-down type ball valve proving installation according to claim 1 and 2, is characterized in that, cylindricality seat lower end is passed the through hole in the middle part of dividing plate and side is provided with spacing preiection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520449831.7U CN204679225U (en) | 2015-06-26 | 2015-06-26 | Press-down type ball valve proving installation |
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| CN201520449831.7U CN204679225U (en) | 2015-06-26 | 2015-06-26 | Press-down type ball valve proving installation |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675227A (en) * | 2016-01-07 | 2016-06-15 | 丹阳丹耀光学有限公司 | Contact positioning type lens sealing performance detector |
| CN106197873A (en) * | 2016-09-10 | 2016-12-07 | 桐乡市鑫朗智能科技有限公司 | The equipment of adapter moulded by a kind of Aulomatizeted Detect steel |
| CN106248310A (en) * | 2016-09-10 | 2016-12-21 | 桐乡市鑫朗智能科技有限公司 | A kind of sealing property test equipment |
| CN106289661A (en) * | 2016-09-10 | 2017-01-04 | 桐乡市鑫朗智能科技有限公司 | Automatization's sealing property testing equipment of adapter joint moulded by a kind of steel |
| CN106289660A (en) * | 2016-09-10 | 2017-01-04 | 桐乡市鑫朗智能科技有限公司 | A kind of automatic tested steel moulds the equipment of adapter sealing |
| CN106289658A (en) * | 2016-09-10 | 2017-01-04 | 桐乡市鑫朗智能科技有限公司 | Adapter sealing property test equipment moulded by a kind of steel |
| CN106289659A (en) * | 2016-09-10 | 2017-01-04 | 桐乡市鑫朗智能科技有限公司 | A kind of tested steel moulds the bubble-tight device of adapter joint |
| CN106323560A (en) * | 2016-09-10 | 2017-01-11 | 桐乡市鑫朗智能科技有限公司 | Automatic sealing performance testing equipment |
| CN106404306A (en) * | 2016-09-10 | 2017-02-15 | 桐乡市鑫朗智能科技有限公司 | Automatic test equipment |
| CN106441723A (en) * | 2016-09-10 | 2017-02-22 | 桐乡市鑫朗智能科技有限公司 | Automated air tightness testing machine |
| CN106441724A (en) * | 2016-09-10 | 2017-02-22 | 桐乡市鑫朗智能科技有限公司 | Airtightness test device |
| CN108627327A (en) * | 2018-05-21 | 2018-10-09 | 芜湖优能自动化设备有限公司 | A kind of pressure valve pressure-regulating pipe fitting device |
| CN111982697A (en) * | 2020-08-28 | 2020-11-24 | 重庆冠昌光电科技有限公司 | Bulb withstand voltage test equipment |
| CN112924100A (en) * | 2021-02-06 | 2021-06-08 | 河南永祥特检科技有限公司 | Ball valve leakproofness detection device for natural gas |
| RU2815984C1 (en) * | 2023-08-31 | 2024-03-25 | Общество С Ограниченной Ответственностью "Сириус Инновационные Технологии" | Test bench for hinged joints of pipelines |
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2015
- 2015-06-26 CN CN201520449831.7U patent/CN204679225U/en active Active
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675227A (en) * | 2016-01-07 | 2016-06-15 | 丹阳丹耀光学有限公司 | Contact positioning type lens sealing performance detector |
| CN106404306A (en) * | 2016-09-10 | 2017-02-15 | 桐乡市鑫朗智能科技有限公司 | Automatic test equipment |
| CN106441723A (en) * | 2016-09-10 | 2017-02-22 | 桐乡市鑫朗智能科技有限公司 | Automated air tightness testing machine |
| CN106289661A (en) * | 2016-09-10 | 2017-01-04 | 桐乡市鑫朗智能科技有限公司 | Automatization's sealing property testing equipment of adapter joint moulded by a kind of steel |
| CN106289660A (en) * | 2016-09-10 | 2017-01-04 | 桐乡市鑫朗智能科技有限公司 | A kind of automatic tested steel moulds the equipment of adapter sealing |
| CN106289658A (en) * | 2016-09-10 | 2017-01-04 | 桐乡市鑫朗智能科技有限公司 | Adapter sealing property test equipment moulded by a kind of steel |
| CN106289659A (en) * | 2016-09-10 | 2017-01-04 | 桐乡市鑫朗智能科技有限公司 | A kind of tested steel moulds the bubble-tight device of adapter joint |
| CN106248310A (en) * | 2016-09-10 | 2016-12-21 | 桐乡市鑫朗智能科技有限公司 | A kind of sealing property test equipment |
| CN106197873A (en) * | 2016-09-10 | 2016-12-07 | 桐乡市鑫朗智能科技有限公司 | The equipment of adapter moulded by a kind of Aulomatizeted Detect steel |
| CN106323560A (en) * | 2016-09-10 | 2017-01-11 | 桐乡市鑫朗智能科技有限公司 | Automatic sealing performance testing equipment |
| CN106441724A (en) * | 2016-09-10 | 2017-02-22 | 桐乡市鑫朗智能科技有限公司 | Airtightness test device |
| CN108627327A (en) * | 2018-05-21 | 2018-10-09 | 芜湖优能自动化设备有限公司 | A kind of pressure valve pressure-regulating pipe fitting device |
| CN108627327B (en) * | 2018-05-21 | 2021-03-09 | 芜湖优能自动化设备有限公司 | Pressure regulating pipeline tool device for pressure valve |
| CN111982697A (en) * | 2020-08-28 | 2020-11-24 | 重庆冠昌光电科技有限公司 | Bulb withstand voltage test equipment |
| CN112924100A (en) * | 2021-02-06 | 2021-06-08 | 河南永祥特检科技有限公司 | Ball valve leakproofness detection device for natural gas |
| RU2815984C1 (en) * | 2023-08-31 | 2024-03-25 | Общество С Ограниченной Ответственностью "Сириус Инновационные Технологии" | Test bench for hinged joints of pipelines |
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Address after: 315414 No. 71, West Road, Hemudu Town, Yuyao City, Ningbo City, Zhejiang Province Patentee after: Ningbo Yuhua Industrial Co.,Ltd. Address before: 315414 No. 71, West Road, Hemudu Town, Yuyao City, Ningbo City, Zhejiang Province Patentee before: NINGBO YUHUA ELECTRIC APPLIANCE Co.,Ltd. |