CN101865342B - Connection structure of extension tube and valve body in front meter valve and connecting method - Google Patents
Connection structure of extension tube and valve body in front meter valve and connecting method Download PDFInfo
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- CN101865342B CN101865342B CN 201010237882 CN201010237882A CN101865342B CN 101865342 B CN101865342 B CN 101865342B CN 201010237882 CN201010237882 CN 201010237882 CN 201010237882 A CN201010237882 A CN 201010237882A CN 101865342 B CN101865342 B CN 101865342B
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 7
- 239000010949 copper Substances 0.000 description 7
- 230000008859 change Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The invention provides a connection structure of an extension tube and a valve body in a front meter valve and a connecting method, belonging to the technical field of valves and solving the problems of complicated extension tube structures and cockamamie assembly of the traditional front meter valves. For the connection structure of the extension tube and the valve body in the front meter valve, the inner end of the extension tube is positioned at a valve body port, and the outer end of the extension tube extends out of the valve body port and is provided with a joint, the extension tube is sleeved with the valve body port, the extension tube is axially fixed with a sealing element arranged between the extension tube and the valve body, the connection structure comprises a position element capable of being axially fixed on the inner side of the valve body port end or the inner side at the inner end of the extension tube, and a blocking shoulder which can abut against the position element when the extension tube moves towards the outer end of the valve body is arranged on the inner end of the extension tube of the valve body port. The connecting method comprises the steps of: A, assembling the joint; B, installing a sealing ring; and C, installing the positioning element. The connection structure has the advantages of simple structure, convenient installation and stable connection.
Description
Technical field
The invention belongs to valve technology field, relate to a kind of table front valve, particularly a kind of linkage structure of showing telescopic pipe and the valve body of front valve.
Background technique
The table pre-gate valve is to be installed on the current that water meter is used for cutting off and connecting pipeline before.Gate valve and water meter are installed on outdoor, and gate valve be connected with water meter finish after the position all be fixed, connect the pipeline long term exposure of water meter and gate valve in outdoor, owing to temperature variation is larger, this segment pipe causes pipeline fragile even damage water meter and gate valve because the action length of expanding with heat and contract with cold changes.The installation of water meter is also comparatively complicated in addition, and the vibrations of pipeline etc. are larger on sealing and the life-span impact of water meter and gate valve.
For the problems referred to above, the art personnel have carried out certain improvement, such as the disclosed a kind of gate valve that matches with water meter and use of Chinese patent (notice of authorization CN2512968Y), comprise valve body, valve gap, valve rod, valve body one end is connected by a sealing nut with flexible copper sheathing, is movably installed with O-ring seals, copper packing on the flexible copper sheathing, the attaching nut, snap ring snaps in the flexible copper sheathing groove.Finish sealing between valve body and the flexible copper sheathing by sealing nut, the disengaging valve body of the flexible copper sheathing of snap ring restriction.Above-mentioned patent is by can reaching the length compensation that pipeline expands with heat and contract with cold along the flexible copper sheathing that valve interior wall slides, but its structure is comparatively complicated, part is more, assembling procedure is comparatively loaded down with trivial details, poor by the sealing effect that sealing nut seals, and telescopic pipe can be dismantled easily, and Security is relatively poor.
Summary of the invention
The objective of the invention is to have the problems referred to above for existing technology, proposed a kind of simple in structure, the telescopic pipe that is connected firmly and the linkage structure between the valve body.
Another object of the present invention is to provide a kind of connecting means of assembling before the easy table telescopic pipe and valve body in the valve.
Purpose of the present invention can realize by following technical proposal: a kind of linkage structure of showing telescopic pipe and valve body in the front valve, the inner of telescopic pipe is positioned at the valve body port place, the outer end of telescopic pipe stretches out valve body port and the telescopic pipe outer end has joint, it is characterized in that, described telescopic pipe and valve body port socket-connect, axial restraint has Sealing and Sealing between telescopic pipe and valve body on the telescopic pipe, this linkage structure comprises the locating piece that can be axially fixed in the inner inboard place of valve body port inboard or telescopic pipe, and above-mentioned telescopic pipe the inner or valve body port place have when telescopic pipe can be resisted against shoulder block on the above-mentioned locating piece during end motion outside valve body.
The inner of telescopic pipe is used for being connected with valve body, the outer end is used for being connected with other pipelines or the water meter of pipeline, telescopic pipe is inner can to slide along valve body with valve body socket and telescopic pipe, remain sealing between telescopic pipe and the valve body, flexible connection by this telescopic pipe and valve body, so that the length between the front valve of table and the water meter can change according to actual needs, thereby can the length change that expand with heat and contract with cold or the vibrations of pipeline etc. causes be compensated, prevent that pipeline is subject to the damage that excessive pressure or pulling force cause valve and water meter before the damage of pipeline or the table.Certainly, the length compensation of telescopic pipe changes should be in certain scope, for preventing that telescopic pipe integral body from detaching valve body, being provided with positioning piece and the shoulder block that can be resisted against on this locating piece between valve body and the telescopic pipe, the movable stroke between valve body and the telescopic pipe is limited.
Before above-mentioned table in the valve in the linkage structure of telescopic pipe and valve body, described valve body port is enclosed within telescopic pipe the inner, described valve body is inboard to be provided with recessed ringwise valve body locating slot near the port, above-mentioned locating piece is positioned at valve body locating slot place and locating piece partly stretches out the valve body locating slot, above-mentioned shoulder block is positioned at the outside, telescopic pipe the inner, and locating piece is between shoulder block and valve body port.
Valve body is socketed on telescopic pipe the inner, thereby telescopic pipe can endwisely slip along valve interior wall, locating piece embeds in the valve body locating slot, its axial position is defined, and locating piece partly stretches out the valve body locating slot, the telescopic pipe outside has shoulder block, locating piece is between valve body port and shoulder block, thereby telescopic pipe is when pull out the valve body outer end, shoulder block can be resisted against the part that locating piece stretches out the valve body locating slot, and the locating piece axial position is fixed, and then telescopic pipe can not be outwards mobile again, thereby finishes the restriction to the telescopic pipe stroke.
In the valve in the linkage structure of telescopic pipe and valve body, described Sealing is seal ring, and seal ring is axially fixed in the outside, telescopic pipe the inner before above-mentioned table.
The outside of telescopic pipe the inner offers the circular groove for sheathed seal ring, when seal ring is sheathed in the circular groove, its axial position is fixed, and its external diameter should be greater than the external diameter of telescopic pipe the inner when seal ring was set in the circular groove, when telescopic pipe is connected in the valve body, seal ring is all the time between telescopic pipe and valve interior wall, so that both can remain sealing when sliding along valve interior wall in telescopic pipe the inner.
In the valve in the linkage structure of telescopic pipe and valve body, described locating piece is Steel Cable Baffle Ring before above-mentioned table.Steel Cable Baffle Ring is the opening ring-type, and because of its structure and material behavior, Steel Cable Baffle Ring has certain elasticity, has the trend that outwards struts when being installed in the valve body locating slot, can firmly be positioned in the valve body locating slot.
In the valve in the linkage structure of telescopic pipe and valve body, described locating piece is jump ring before above-mentioned table.Equally, jump ring also is the opening ring-type, is installed in the valve body locating slot comparatively firm.
As another kind of scheme, before above-mentioned table in the valve in the linkage structure of telescopic pipe and valve body, described telescopic pipe the inner is enclosed within the valve body port outside, the inner inboard place of described telescopic pipe is provided with recessed ringwise telescopic pipe locating slot, above-mentioned locating piece is positioned at telescopic pipe locating slot place and locating piece partly stretches out the telescopic pipe locating slot, above-mentioned shoulder block is positioned at the valve body port outside, and locating piece is between shoulder block and telescopic pipe the inner.
In the valve in the linkage structure of telescopic pipe and valve body, described Sealing is seal ring before above-mentioned table, and seal ring to be axially fixed in telescopic pipe inner inboard.
In the valve in the linkage structure of telescopic pipe and valve body, described locating piece is Steel Cable Baffle Ring before above-mentioned table.
In the valve in the linkage structure of telescopic pipe and valve body, described locating piece is jump ring before above-mentioned table.
Before above-mentioned table in the valve in the linkage structure of telescopic pipe and valve body, described telescopic pipe outer end has the gear edge of protrusion, and cover has tubular above-mentioned joint, joint inboard to have the stop part of annular at place, telescopic pipe outer end, and described gear is along being resisted against on the above-mentioned stop part.
The joint inboard has the stop part that is integral type with joint, and when joint moved a telescopic pipe end to the telescopic pipe outer end, stop part can be resisted against gear along upper, prevents that joint breaks away from telescopic pipe.As another kind of situation, this stop part is to be installed on the Steel Cable Baffle Ring that protrudes to the joint inboard on the joint, and Steel Cable Baffle Ring snaps in the circular groove of offering the joint inboard, and Steel Cable Baffle Ring is between gear edge and telescopic pipe the inner.
Before the above-mentioned table in the valve linkage structure of telescopic pipe and valve body adopt following method to assemble: a kind of connecting means of showing telescopic pipe and valve body in the front valve, the inner of telescopic pipe is used for being connected with valve body port, the outer end of telescopic pipe has joint, and the method may further comprise the steps:
A, fitting joint: joint is inserted in by telescopic pipe the inner, promotes joint and make the stop part on the joint corresponding along the position with the gear of telescopic pipe outer end.
B, installation seal ring: seal ring is axially fixed in the outside, telescopic pipe the inner that will be equipped with joint.
C, locating piece is installed: be enclosed within locating piece on the telescopic pipe and make locating piece be in shoulder block and gear along between, then with in the inner insertion of the telescopic pipe valve body port, at last locating piece is axially fixed in the valve body port inboard.
In the valve in the connecting means of telescopic pipe and valve body, fix a seal washer in the described steps A in joint before above-mentioned table, seal washer is positioned at the port of telescopic pipe outer end.
In the valve in the connecting means of telescopic pipe and valve body, the telescopic pipe outside has some recessed circular grooves among the described step B before above-mentioned table, and above-mentioned seal ring is enclosed within the circular groove place and seal ring partly stretches out telescopic pipe.
Before above-mentioned table in the valve in the connecting means of telescopic pipe and valve body, at first locating piece is moved to the valve body port place among the described step C, then apply external force extruding locating piece, make locating piece enter in the valve body port and embed the valve body locating slot of valve body port inboard.The valve body port place has the guide surface of inclination, and locating piece is the opening ring-type, has certain elasticity, thereby can enter in the valve body along this guide surface after being extruded.
Before above-mentioned table, in the valve in the connecting means of telescopic pipe and valve body, spur telescopic pipe behind the described step C, check telescopic pipe and valve body connective stability.
After locating piece is pushed into inlet valve body, surpasses valve body locating slot position and do not snap in the valve body locating slot if locating piece enters the degree of depth of valve body, only need slowly spur backward telescopic pipe, drive locating piece backward mobile make it again to snap in the valve body locating slot get final product.
Compared with prior art, the linkage structure component of telescopic pipe and valve body are few in the front valve of this table, economical with materials; Directly adopt the seal ring sealing between telescopic pipe and the valve body, good sealing effect, cost is low; Between valve body and telescopic pipe, locating piece is set, firm position, easy for installation, and telescopic pipe is non-dismountable after valve body connects, connective stability and safe.
Description of drawings
Fig. 1 is the embodiment's 1 that the linkage structure of telescopic pipe and valve body provides in the valve before this table structural representation.
Fig. 2 is the embodiment's 2 that the linkage structure of telescopic pipe and valve body provides in the valve before this table structural representation.
Among the figure, 1, telescopic pipe; 1a, telescopic pipe the inner; 1b, telescopic pipe outer end; 11, shoulder block; 12, circular groove; 13, gear edge; 2, valve body; 22, guide surface; 3, joint; 31, stop part; 4, seal ring; 5, Steel Cable Baffle Ring; 6, seal washer.
Embodiment
Below be specific embodiments of the invention and by reference to the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figure 1, this telescopic pipe is used for the table pre-gate valve with the linkage structure of valve body, the inner of telescopic pipe 1 is stretched in the valve body 2, the outer end of telescopic pipe 1 stretches out valve body 2 and telescopic pipe outer end 1b has joint 3, the inner 1a of telescopic pipe is used for being connected with valve body 2, telescopic pipe outer end 1b is used for being connected with other pipelines or the water meter of pipeline by joint 3, the inner 1a of telescopic pipe stretches into valve body 2 and telescopic pipe 1 can slide along valve body 2 inwalls, is provided with between the inner 1a of telescopic pipe and valve body 2 inwalls to make both remain the seal ring 4 of sealing.Seal ring 4 is two and is positioned at the outside of the inner 1a of telescopic pipe, the outside of the inner 1a of telescopic pipe offers two circular grooves 12, seal ring 4 is sheathed on that its axial positions are fixed in the corresponding circular groove 12, and seal ring 4 is sheathed on behind circular groove 12 places its external diameter greater than the external diameter of the inner 1a of telescopic pipe.
The outside of the inner 1a of telescopic pipe also has shoulder block 11, valve body 2 inboard close valve body 2 ports have the recessed valve body locating slot of annular, and in this valve body locating slot, be provided with Steel Cable Baffle Ring 5, its axial position was fixed after Steel Cable Baffle Ring 5 snapped in the valve body locating slot, and Steel Cable Baffle Ring 5 parts are stretched out the valve body locating slot, telescopic pipe 1 during to valve body 2 outer side shifting Steel Cable Baffle Ring 5 can be resisted against on the shoulder block 11, prevent that telescopic pipe 1 breaks away from valve body 2.The mounting point of Steel Cable Baffle Ring 5 is near valve body 2 ports.
By the flexible connection of this telescopic pipe 1 with valve body 2, so that the length between the front valve of table and the water meter can change according to actual needs, thereby can the length change that expand with heat and contract with cold or the vibrations of pipeline etc. causes be compensated, prevent that pipeline is subject to the damage that excessive pressure or pulling force cause valve and water meter before the damage of pipeline or the table.
The outer end of telescopic pipe 1 is used for being connected with other pipelines of water meter or pipeline, telescopic pipe outer end 1b has the gear of protrusion along 13, and cover has tubular joint 3 at 1b place, telescopic pipe outer end, joint 3 inboards have the stop part 31 of annular, after joint 3 is inserted in telescopic pipe 1 from the inner of telescopic pipe 1, when moving to telescopic pipe 1 end to telescopic pipe 1 outside, described gear can be resisted against on the stop part 31 along 13, realize the connection of telescopic pipe outer end 1b by this joint 3,1b place, telescopic pipe outer end should arrange a seal washer 6, makes its connection between water meter or other pipelines keep sealing.
The installation step of the linkage structure of telescopic pipe and valve body is as follows in the front valve of this table:
A, fitting joint: joint 3 is inserted in by the inner 1a of telescopic pipe, promotes joint 3 and make its stop part 31 corresponding along 13 positions with the gear of telescopic pipe outer end 1b, and at the interior seal washer 6 of being close to telescopic pipe outer end 1b end face that arranges of joint 3;
B, installation seal ring: seal ring 4 is set in the circular groove 12 of the inner 1a of telescopic pipe that is equipped with joint 3;
C, Steel Cable Baffle Ring is installed: be enclosed within Steel Cable Baffle Ring 5 on the telescopic pipe 1 and make Steel Cable Baffle Ring 5 be in shoulder block 11 and keep off between 13, then the inner 1a of telescopic pipe is inserted in valve body 2 ports, the port of valve body 2 has the guide surface 22 of arc, Steel Cable Baffle Ring 5 is exerted pressure so that Steel Cable Baffle Ring 5 enters valve body 2 along this arc guide surface 22, the ring tool that is slightly less than valve body 2 internal diameters by Radius pushes Steel Cable Baffle Ring 5 in the valve body 2, and Steel Cable Baffle Ring 5 is snapped in the valve body locating slot of valve body 2 inwalls.Surpass valve body locating slot position and fail to snap in smoothly the valve body locating slot if Steel Cable Baffle Ring 5 stretches into the degree of depth of valve body 2, only need slowly to spur backward telescopic pipe 1, drive Steel Cable Baffle Ring 5 moves backward to make it again to snap in the valve body locating slot and gets final product.
D, pulling telescopic pipe 1 make it to slide along valve body 2 front and back, check the stability that telescopic pipe 1 is connected with valve body 2.
As shown in Figure 2, before this table in the valve in the linkage structure of telescopic pipe and valve body, the inner 1a of telescopic pipe is enclosed within the valve body 2 ports outside, the inboard place of the inner 1a of telescopic pipe is provided with recessed ringwise telescopic pipe locating slot, Steel Cable Baffle Ring 5 can snap in the telescopic pipe locating slot and Steel Cable Baffle Ring 5 parts are stretched out the telescopic pipe locating slot, have a shoulder block 11 at valve body 2 near the port, and Steel Cable Baffle Ring 5 is between shoulder block 11 and the inner 1a of telescopic pipe.When telescopic pipe 1 moved to valve body 2 outer ends, shoulder block 11 can be resisted against on the Steel Cable Baffle Ring 5, thereby the stroke of telescopic pipe 1 is limited, and prevented that telescopic pipe 1 breaks away from valve body 2.
The inwall of telescopic pipe 1 also has recessed circular groove 12, is provided with seal ring 4 in circular groove 12, and seal ring 4 embeds circular groove 12 interior its axial positions and fixes, and guarantees to remain sealing in telescopic pipe 1 and the valve body 2 relative sliding processes.
Specific embodiment described herein only is to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper more used telescopic pipe 1, telescopic pipe inner 1a, telescopic pipe outer end 1b, shoulder block 11, circular groove 12, gear along 13,, valve body 2,, the terms such as guide surface 22, joint 3, stop part 31, seal ring 4, Steel Cable Baffle Ring 5, seal washer 6, do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present invention; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (9)
1. the linkage structure of telescopic pipe and valve body in the valve before the table, the inner of telescopic pipe (1a) is positioned at valve body (2) port, the outer end of telescopic pipe (1b) stretches out valve body (2) port and telescopic pipe outer end (1b) has joint (3), it is characterized in that, described telescopic pipe (1) socket-connects with valve body (2) port, and described telescopic pipe (1) can endwisely slip along valve body (2), the upper axial restraint of telescopic pipe (1) has Sealing and Sealing to be positioned between telescopic pipe (1) and the valve body (2), this linkage structure comprises the locating piece that can be axially fixed in the inboard place of valve body (2) port inboard or telescopic pipe inner (1a), and above-mentioned telescopic pipe inner (1a) or valve body (2) port have when telescopic pipe (1) can be resisted against shoulder block (11) on the above-mentioned locating piece during end motion outside valve body (2); Described locating piece is the elastic steel wire check ring (5) that is the opening ring-type.
2. the linkage structure of telescopic pipe and valve body in the valve before the table according to claim 1, it is characterized in that, described valve body (2) port is enclosed within telescopic pipe the inner (1a), described valve body (2) is inboard to be provided with recessed ringwise valve body locating slot near the port, above-mentioned locating piece is positioned at valve body locating slot place and locating piece partly stretches out the valve body locating slot, above-mentioned shoulder block (11) is positioned at the outside, telescopic pipe the inner (1a), and locating piece is positioned between shoulder block (11) and valve body (2) port.
3. the linkage structure of telescopic pipe and valve body in the front valve of table according to claim 2 it is characterized in that described Sealing is seal ring (4), and seal ring (4) is axially fixed in the outside, telescopic pipe the inner (1a).
4. the linkage structure of telescopic pipe and valve body in the valve before the table according to claim 1, it is characterized in that, described telescopic pipe inner (1a) is enclosed within valve body (2) the port outside, the inboard place of described telescopic pipe inner (1a) is provided with recessed ringwise telescopic pipe locating slot, above-mentioned locating piece is positioned at telescopic pipe locating slot place and locating piece partly stretches out the telescopic pipe locating slot, above-mentioned shoulder block (11) is positioned at valve body (2) the port outside, and locating piece is positioned between shoulder block (11) and the telescopic pipe inner (1a).
5. the linkage structure of telescopic pipe and valve body in the valve according to claim 1 and 2 or before the 3 or 4 described tables, it is characterized in that, described telescopic pipe outer end (1b) has the gear of protrusion along (13), and locate cover at telescopic pipe outer end (1b) tubular above-mentioned joint (3) is arranged, joint (3) inboard has the stop part (31) of annular, and described gear can be resisted against on the above-mentioned stop part (31) along (13).
6. the connecting means of telescopic pipe and valve body in the valve before the table, the inner of telescopic pipe (1a) for being connected with valve body (2) port, the outer end of telescopic pipe (1b) has joint (3), and the method may further comprise the steps:
A, fitting joint: joint (3) is inserted in by telescopic pipe inner (1a), promotes joint (3) and make the stop part (31) on the joint (3) corresponding along (13) position with the gear of telescopic pipe outer end (1b).
B, installation seal ring: seal ring (4) is axially fixed in telescopic pipe inner (1a) outside that will be equipped with joint (3).
C, installation locating piece: locating piece is enclosed within telescopic pipe (1) upward and locating piece is between shoulder block (11) and the gear edge (13), then telescopic pipe inner (1a) is inserted in valve body (2) port, it is inboard at last locating piece to be axially fixed in valve body (2) port.
7. the connecting means of telescopic pipe and valve body in the front valve of table according to claim 6, it is characterized in that, fix a seal washer (6) in the described steps A in joint (3), seal washer (6) is positioned at the port of telescopic pipe outer end (1b).
8. the connecting means of telescopic pipe and valve body in the valve according to claim 6 or before the 7 described tables, it is characterized in that, at first locating piece is moved to valve body (2) port among the described step C, then apply external force extruding locating piece, make locating piece enter in valve body (2) port and embed the valve body locating slot of valve body (2) port inboard.
9. the connecting means of telescopic pipe and valve body in the front valve of table according to claim 8 is characterized in that, spurs telescopic pipe (1) behind the described step C, checks telescopic pipe (1) and valve body (2) connective stability.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010237882 CN101865342B (en) | 2010-07-27 | 2010-07-27 | Connection structure of extension tube and valve body in front meter valve and connecting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010237882 CN101865342B (en) | 2010-07-27 | 2010-07-27 | Connection structure of extension tube and valve body in front meter valve and connecting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101865342A CN101865342A (en) | 2010-10-20 |
| CN101865342B true CN101865342B (en) | 2013-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010237882 Expired - Fee Related CN101865342B (en) | 2010-07-27 | 2010-07-27 | Connection structure of extension tube and valve body in front meter valve and connecting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101865342B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102709667B (en) * | 2012-05-02 | 2014-07-02 | 江苏捷诚车载电子信息工程有限公司 | Fast telescoping device for telescopic tube |
| CN113236841A (en) * | 2021-05-18 | 2021-08-10 | 江苏盛丰机械科技有限公司 | Valve body with multi-angle installation mechanism |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2512968Y (en) * | 2001-09-14 | 2002-09-25 | 浙江盾安阀门有限公司 | Telescopic gate valve |
| CN1488883A (en) * | 2002-10-08 | 2004-04-14 | 上海晔光机电设备有限公司 | Ball type loose joint |
| WO2008141545A1 (en) * | 2007-05-24 | 2008-11-27 | Liyan Zhu | A piloted middle-high pressure gate valve |
| CN201818939U (en) * | 2010-07-27 | 2011-05-04 | 浙江瑞格铜业有限公司 | Connection structure of telescopic pipe in meter front valve and valve body |
-
2010
- 2010-07-27 CN CN 201010237882 patent/CN101865342B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2512968Y (en) * | 2001-09-14 | 2002-09-25 | 浙江盾安阀门有限公司 | Telescopic gate valve |
| CN1488883A (en) * | 2002-10-08 | 2004-04-14 | 上海晔光机电设备有限公司 | Ball type loose joint |
| WO2008141545A1 (en) * | 2007-05-24 | 2008-11-27 | Liyan Zhu | A piloted middle-high pressure gate valve |
| CN201818939U (en) * | 2010-07-27 | 2011-05-04 | 浙江瑞格铜业有限公司 | Connection structure of telescopic pipe in meter front valve and valve body |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101865342A (en) | 2010-10-20 |
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Denomination of invention: Table connection structure and method of expansion pipe and valve body in front valve Effective date of registration: 20210811 Granted publication date: 20130109 Pledgee: Agricultural Bank of China Limited by Share Ltd. Yuhuan branch Pledgor: ZHEJIANG RUIGE COPPER Co.,Ltd. Registration number: Y2021330001114 |
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Granted publication date: 20130109 Pledgee: Agricultural Bank of China Limited by Share Ltd. Yuhuan branch Pledgor: ZHEJIANG RUIGE COPPER Co.,Ltd. Registration number: Y2021330001114 |
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