CN203532836U - Opening type friction-free ball valve - Google Patents
Opening type friction-free ball valve Download PDFInfo
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- CN203532836U CN203532836U CN201320647286.3U CN201320647286U CN203532836U CN 203532836 U CN203532836 U CN 203532836U CN 201320647286 U CN201320647286 U CN 201320647286U CN 203532836 U CN203532836 U CN 203532836U
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- valve
- valve rod
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- guide finger
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Abstract
The utility model discloses an opening type friction-free ball valve. The opening type friction-free ball valve aims to overcome the shortcomings of an existing opening type friction-free ball valve that a valve clack is abraded easily in the valve opening and closing process, so that the service life of the valve is shortened; and a locating pin on a valve cover easily abrades a spiral groove, so that transmission failure is caused. The opening type friction-free ball valve comprises a valve body, a valve cover and a support. A valve clack module is arranged in the valve body and connected with a valve rod, the valve rod is arranged in the support, the upper end of the valve rod is connected with a driving device, and two oppositely arranged guiding slideways are arranged on a side wall of the support and comprise spiral slideways and lifting slideways, wherein the spiral slideways and the lifting slideways are communicated with each other. The guiding slideways are arranged below the spiral slideways, side walls of the two guiding slideways are detachably connected with anti-abrasion pads, a guide pin is arranged between the two guiding slideways, two ends of the guide pin are slidably connected in the guiding slideways, and the guide pin is fixedly connected with the valve rod.
Description
Technical field
The utility model relates to a kind of valving, and more particularly, it relates to a kind of bracing type of long service life without friction ball valve.
Background technique
Ball valve has been widely used in the fields such as oil, chemical industry, metallurgy, electric power, light industry, pharmacy at present.Distraction-type ball valve is widely used with the superiority of himself, it develops according to the sealing principle of ball valve and gate valve, it has that circulation area is large, flow resistance is little, self-locking good anti-vibration, the advantage such as high temperature resistant, high pressure resistant, but wear phenomenon easily appears in present most distraction-type ball valves in the process of opening and closing, shortened the working life of distraction-type ball valve.
Chinese patent notification number CN202834167U, a kind of bracing type high-temp and-pressure ball valve is disclosed, comprise valve body, valve seat, valve rod, spheroid, bonnet, bonnet is installed on valve body, spheroid is installed in valve body, between spheroid and valve body, be provided with valve seat, valve rod is arranged in bonnet, and the lower end of valve rod is connected with the spheroid in valve body through bonnet, the upper end of valve rod is equiped with the drive unit that actuate valve stem is rotated, spheroid spool and both sides spool in one combine, middle spool is lower narrow wide wedge-shaped structure, both sides spool symmetry is installed in the middle spool left and right sides, middle spool is provided with dovetail groove with the end face that side valve core is connected, side valve core be provided with middle spool on the dovetail of dovetail groove adaptation, middle spool and valve rod are affixed, valve seat is installed between side valve core and valve body.The opening and closing that the distraction-type ball valve of this structure can be realized valve are to a certain extent without wear phenomenon, but the locating stud being fixedly connected on valve gap is directly connected in the spiral chute on valve rod, the locating stud spiral chute that easily weares and teares, thus there is the situation that transmission is malfunctioning.
Model utility content
The utility model has overcome the deficiency of existing distraction-type ball valve two aspects: the one,, thereby in valve opening and the process of closing, flap easily occurs that wearing and tearing shorten the working life of valve; The 2nd,, the spiral chute that easily weares and teares of the locating stud on valve gap, thus cause the phenomenon of transmission failure.The utility model provides a kind of bracing type without friction ball valve, valve flap in the process of opening and closing there will not be the phenomenon of wearing and tearing, extended the working life of valve, and valve rod locating stud spiral chute not easy to wear in the process of motion, be difficult for causing the situation of transmission failure.
In order to solve the problems of the technologies described above, the utility model is by the following technical solutions: a kind of bracing type is without friction ball valve, comprise valve body, be connected to the valve gap on valve body, be connected to the support on valve gap, in valve body, be provided with flap assembly, on flap assembly, connect valve rod, valve rod is arranged in support, the upper end connecting drive device of valve rod, rack side wall is provided with two guide slides that are oppositely arranged, two guide slides include spiral slideway and the hoistway being interconnected, spiral slideway arranges around support axis spiral, hoistway and support shaft line parallel arrange, guide slide is arranged on the below of spiral slideway, on two guide slide sidewalls, be all removably connected with anti-abrasion pad, between two guide slides, be provided with guide finger, the two ends of guide finger are all slidably connected in guide slide, guide finger is fixedly connected with valve rod.
Distraction-type ball valve drives stem movement by drive unit in the process of opening and closing, owing to being fixedly connected with guide finger on valve rod, and guide finger two ends are slidably connected in two guide slides, valve is in the process of opening, first guide finger is in hoistway, valve rod ascending motion under the drive of drive unit, flap assembly upwards rises its lower end and departs from sealing surface, subject-oriented pin slides into after spiral slideway, valve rod ascending motion on one side under the drive of drive unit is rotated on one side, thereby drive flap assembly to rotate, realize valve opening.The closing process of valve is the inverse process of opening process, and principle is the same.In the process of opening and closing, flap there will not be the phenomenon of wearing and tearing, has extended the working life of valve.Guide slide is arranged on support, rather than is arranged on valve rod, and connects anti-abrasion pad on guide slide sidewall, so guide finger guide slide not easy to wear in the process of sliding, and is difficult for causing the situation of transmission failure.Bracing type there will not be the phenomenon of wearing and tearing without friction ball valve flap in the process of opening and closing, extended the working life of valve, and valve rod guide finger guide slide not easy to wear in the process of motion, is difficult for causing the situation of transmission failure.
As preferably, guide finger two ends are all connected with needle bearing, and needle bearing is socketed with roller housing outward, roller housing and needle bearing drive fit, and roller housing Spielpassung is connected in guide slide, and the two ends of guide finger all connect limiting gasket.On guide finger, connect needle bearing and reduced the frictional force of guide finger in sliding process, reduced the wearing and tearing in sliding process.
As preferably, valve rod is provided with guide finger attachment hole, and guide finger is connected in guide finger attachment hole, and guide finger axis and valve rod axis intersect vertically, and on valve rod, near guide finger position, is connected with stop screw, and stop screw is connected on guide finger.The Placement of guide finger and valve rod is simple, easy accessibility.
As preferably, anti-abrasion pad is provided with outside flange near the edge of valve rod one end, and flange support limit is on the inwall of support, and restraining position ring block removably connects on the end face of anti-abrasion pad away from valve rod one end.Anti-abrasion pad is connected spacing in guide slide with limited ring by flange, connect reliably easy accessibility.
As preferably, lower end position near flap assembly in valve body is provided with annular support surface, on annular support surface, be fixedly connected with interior limited ring and the outer limited ring of annular, between interior limited ring and outer limited ring, be provided with gap, in gap between interior limited ring and outer limited ring, be provided with several balls, the diameter of ball is greater than the height of interior limited ring and outer limited ring, the lower end of flap assembly is fixedly connected with lower limit ring, the lower end surface of lower limit ring is supported on ball, lower limit ring lower end surface is provided with the positioning ring to lower convexity near inner wall edge, positioning ring is actively socketed in interior limited ring.The lower end of lower limit ring is supported on ball, and lower limit ring frictional force in the process of rotating is little, and the opening and closing of flap assembly are convenient.
Compared with prior art, the beneficial effects of the utility model are: bracing type there will not be the phenomenon of wearing and tearing without friction ball valve flap in the process of opening and closing, extended the working life of valve, and valve rod guide finger guide slide not easy to wear in the process of motion, be difficult for causing the situation of transmission failure.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is the linkage structure schematic diagram of guide finger of the present utility model;
In figure: 1, valve body, 2, valve gap, 3, support, 4, flap assembly, 5, valve rod, 6, drive unit, 7, guide slide, 8, spiral slideway, 9, hoistway, 10, anti-abrasion pad, 11, guide finger, 12, needle bearing, 13, roller housing, 14, limiting gasket, 15, guide finger attachment hole, 16, stop screw, 17, flange, 18, limited ring, 19, annular support surface, 20, interior limited ring, 21, outer limited ring, 22, ball, 23, lower limit ring, 24, positioning ring.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is further described specifically:
Embodiment: a kind of bracing type is without friction ball valve (referring to accompanying drawing 1), comprise valve body 1, be connected to valve gap 2 on valve body, be connected to the support 3 of the tubular on valve gap, in valve body, be provided with flap assembly 4, on flap assembly, connect valve rod 5, valve rod is arranged in support, the upper end connecting drive device 6 of valve rod, valve rod lower end is connected with flap assembly.Rack side wall is provided with two guide slides 7 that are oppositely arranged, two guide slides include spiral slideway 8 and the hoistway 9 being interconnected, spiral slideway arranges around support axis spiral, hoistway and support shaft line parallel arrange, guide slide is arranged on the below of spiral slideway, on two guide slide sidewalls, be all removably connected with anti-abrasion pad 10, anti-abrasion pad is provided with outside flange 17 near the edge of valve rod one end, flange support limit is on the inwall of support, restraining position ring block 18 removably connects on the end face of anti-abrasion pad away from valve rod one end, anti-abrasion pad is connected spacing in guide slide with limited ring by flange, connect reliable, easy accessibility.Between two guide slides, be provided with guide finger 11(referring to accompanying drawing 2), the two ends of guide finger are all slidably connected in guide slide, and guide finger is fixedly connected with valve rod.Guide finger two ends are all connected with needle bearing 12, and needle bearing is socketed with roller housing 13 outward, roller housing and needle bearing drive fit, and roller housing Spielpassung is connected in guide slide, and the two ends of guide finger all connect limiting gasket 14.Roller housing slides on anti-abrasion pad, weares and teares little.Valve rod is provided with guide finger attachment hole 15, guide finger is connected in guide finger attachment hole, and guide finger axis and valve rod axis intersect vertically, and on valve rod, near guide finger position, is connected with stop screw 16, stop screw is connected on guide finger, realizes being fixedly connected with of guide finger and valve rod.Lower end position near flap assembly in valve body is provided with annular support surface 19, on annular support surface, be fixedly connected with interior limited ring 20 and the outer limited ring 21 of annular, between interior limited ring and outer limited ring, be provided with gap, in gap between interior limited ring and outer limited ring, be provided with several balls 22, the diameter of ball is greater than the height of interior limited ring and outer limited ring, the lower end of flap assembly is fixedly connected with lower limit ring 23, the lower end surface of lower limit ring is supported on ball, lower limit ring lower end surface is provided with the positioning ring 24 to lower convexity near inner wall edge, positioning ring is actively socketed in interior limited ring.Positioning ring has facilitated the installation location of flap assembly and interior limited ring.
Distraction-type ball valve drives stem movement by drive unit in the process of opening and closing, owing to being fixedly connected with guide finger on valve rod, and guide finger two ends are slidably connected in two guide slides, valve is in the process of opening, first guide finger is in hoistway, valve rod ascending motion under the drive of drive unit, flap assembly upwards rises its lower end and departs from sealing surface, subject-oriented pin slides into after spiral slideway, valve rod ascending motion on one side under the drive of drive unit is rotated on one side, thereby drive flap assembly to rotate, realize valve opening.The closing process of valve is the inverse process of opening process, and principle is the same.In the process of opening and closing, flap there will not be the phenomenon of wearing and tearing, has extended the working life of valve.Guide slide is arranged on support, rather than is arranged on valve rod, and connects anti-abrasion pad on guide slide sidewall, so guide finger guide slide not easy to wear in the process of sliding, and is difficult for causing the situation of transmission failure.Bracing type there will not be the phenomenon of wearing and tearing without friction ball valve flap in the process of opening and closing, extended the working life of valve, and valve rod guide finger guide slide not easy to wear in the process of motion, is difficult for causing the situation of transmission failure.
Above-described embodiment is a kind of preferably scheme of the present utility model, not the utility model is done to any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technological scheme that claim records.
Claims (5)
1. a bracing type is without friction ball valve, comprise valve body, be connected to the valve gap on valve body, be connected to the support on valve gap, in valve body, be provided with flap assembly, on flap assembly, connect valve rod, valve rod is arranged in support, the upper end connecting drive device of valve rod, it is characterized in that, rack side wall is provided with two guide slides that are oppositely arranged, two guide slides include spiral slideway and the hoistway being interconnected, spiral slideway arranges around support axis spiral, hoistway and support shaft line parallel arrange, guide slide is arranged on the below of spiral slideway, on two guide slide sidewalls, be all removably connected with anti-abrasion pad, between two guide slides, be provided with guide finger, the two ends of guide finger are all slidably connected in guide slide, guide finger is fixedly connected with valve rod.
2. bracing type according to claim 1, without friction ball valve, is characterized in that, guide finger two ends are all connected with needle bearing, needle bearing is socketed with roller housing outward, roller housing and needle bearing drive fit, roller housing Spielpassung is connected in guide slide, and the two ends of guide finger all connect limiting gasket.
3. bracing type according to claim 1 is without friction ball valve, it is characterized in that, valve rod is provided with guide finger attachment hole, guide finger is connected in guide finger attachment hole, guide finger axis and valve rod axis intersect vertically, on valve rod, near guide finger position, be connected with stop screw, stop screw is connected on guide finger.
According to the bracing type described in claim 1 or 2 or 3 without friction ball valve, it is characterized in that, anti-abrasion pad is provided with outside flange near the edge of valve rod one end, and flange support limit is on the inwall of support, and restraining position ring block removably connects on the end face of anti-abrasion pad away from valve rod one end.
According to the bracing type described in claim 1 or 2 or 3 without friction ball valve, it is characterized in that, lower end position near flap assembly in valve body is provided with annular support surface, on annular support surface, be fixedly connected with interior limited ring and the outer limited ring of annular, between interior limited ring and outer limited ring, be provided with gap, in gap between interior limited ring and outer limited ring, be provided with several balls, the diameter of ball is greater than the height of interior limited ring and outer limited ring, the lower end of flap assembly is fixedly connected with lower limit ring, the lower end surface of lower limit ring is supported on ball, lower limit ring lower end surface is provided with the positioning ring to lower convexity near inner wall edge, positioning ring is actively socketed in interior limited ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320647286.3U CN203532836U (en) | 2013-10-18 | 2013-10-18 | Opening type friction-free ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320647286.3U CN203532836U (en) | 2013-10-18 | 2013-10-18 | Opening type friction-free ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203532836U true CN203532836U (en) | 2014-04-09 |
Family
ID=50419045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320647286.3U Expired - Fee Related CN203532836U (en) | 2013-10-18 | 2013-10-18 | Opening type friction-free ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203532836U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481875A (en) * | 2016-12-07 | 2017-03-08 | 上海弘盛特种阀门制造股份有限公司 | A kind of distraction-type ball valve of high intensity high sealing performance |
| CN110725969A (en) * | 2019-10-12 | 2020-01-24 | 江苏亿阀股份有限公司 | Low-torque spherical sealing wedge valve |
| CN116697082A (en) * | 2023-08-07 | 2023-09-05 | 艾坦姆流体控制技术(山东)有限公司 | Pneumatic track ball valve with shock resistance function |
-
2013
- 2013-10-18 CN CN201320647286.3U patent/CN203532836U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481875A (en) * | 2016-12-07 | 2017-03-08 | 上海弘盛特种阀门制造股份有限公司 | A kind of distraction-type ball valve of high intensity high sealing performance |
| CN110725969A (en) * | 2019-10-12 | 2020-01-24 | 江苏亿阀股份有限公司 | Low-torque spherical sealing wedge valve |
| CN116697082A (en) * | 2023-08-07 | 2023-09-05 | 艾坦姆流体控制技术(山东)有限公司 | Pneumatic track ball valve with shock resistance function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20161018 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |