CN202900623U - Dual-guide-tape nonmetal sealing conical valve with rotatable spool - Google Patents
Dual-guide-tape nonmetal sealing conical valve with rotatable spool Download PDFInfo
- Publication number
- CN202900623U CN202900623U CN 201220574699 CN201220574699U CN202900623U CN 202900623 U CN202900623 U CN 202900623U CN 201220574699 CN201220574699 CN 201220574699 CN 201220574699 U CN201220574699 U CN 201220574699U CN 202900623 U CN202900623 U CN 202900623U
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- Prior art keywords
- spool
- valve seat
- valve
- nonmetal
- conical surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 229910052755 nonmetal Inorganic materials 0.000 title claims abstract description 41
- 238000007789 sealing Methods 0.000 title claims abstract description 36
- 239000000919 ceramic Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Abstract
Disclosed is a dual-guide-tape nonmetal sealing conical valve with a rotatable spool. The spool is arranged in a valve seat hole of a valve seat, an opening end of the valve seat hole is a conical surface matched with an outer wall conical surface of the spool, a nonmetal sealing ring is mounted in a groove on the outer wall conical surface of the spool and is matched with the conical surface of the opening end of the valve seat hole, a valve cover is arranged on the valve seat, a spring is sleeved on the tubular outer wall of the valve cover, the spool is provided with a first guide column and a second guide column which are matched with a tubular hole and the valve seat hole on the valve cover respectively, and the second guide column consists of four guide shoes which are in a streamline shape in section and arranged spirally around the spool central line. The conical valve has the advantages of a conventional dual-guide-tape nonmetal sealing conical valve, is wide in valve bank application range and good in centering and can be arranged both perpendicularly and horizontally; and matched positions of a valve bank are uniform in wear, and the nonmetal sealing ring is good in sealing performance and long in service life.
Description
Technical field
The utility model relates to a kind of pair of nonmetal sealing mitre velve of guidance tape, more particularly relates to the nonmetal sealing mitre velve of rotatable pair of guidance tape of a kind of spool.
Background technique
Pump valve is the key components and parts of reciprocating pump.Contain in the reciprocating pump of particulate matter sewage in conveying, the nonmetal sealing mitre velve of two guidance tapes structure has obtained using widely.
The nonmetal sealing mitre velve of common two guidance tapes referring to Fig. 4, shown in Figure 5, is comprised of valve seat 1 ', spool 2 ', nonmetal seal ring 3 ', spring 4 ', valve bonnet 5 '.90 ° of conical surfaces are processed in the upper end of valve seat 1 ' endoporus 11 '; Nonmetal seal ring 3 ' is contained in the groove 21 ' of the spool 2 ' conical surface, and matches with 90 ° of conical surfaces on the valve seat 1 ' endoporus 11 '; Four guide grabs 22 ' of spool 2 ' bottom cooperate with valve seat 1 ' endoporus 11 ', make its unlikely generation deflection in movement process; Spring 4 ' upper end is contained in the valve bonnet 5 ', the lower end is contained on the spool 2 ', the upper end 23 ' of spool 2 ' is contained in valve bonnet 5 ' the middle part endoporus 51 ' and is mated, guarantee that spring 4 ' is in the process of compression, elongation, it is crooked that moving direction is unlikely to, also guaranteed simultaneously valve, core 2 ' at the volley with centering and the sealing of valve seat 1 '; Valve bonnet 5 ' links to each other with valve seat 1 ' with screw thread.
This pair of nonmetal sealing mitre velve of guidance tape has following characteristics:
1, on the metal spool conical surface nonmetal ring structure is housed, when pump valve is taken a seat, can slows down impact and when closing, increase sealing contact surface, improve sealability, be applicable to carry and contain particulate matter sewage.
2, the nonmetal sealing mitre velve of two guidance tapes has dual guiding in the opening and closing process, thereby guarantees centering and the sealing of cone valve and valve seat.
When the center line of this valve group is when being arranged vertically, as shown in Figure 4, the characteristics of its structure have obtained sufficient displaying.But, when the center line of this valve group is horizontal arrangement, as shown in Figure 3, in its opening and closing process, cone valve has played certain variation with centering and the sealing of valve seat: there is certain gap in four guide grabs 22 ' of spool 2 ' bottom with cooperating of valve seat 1 ' endoporus 11 ', cooperating of endoporus 51 ' also there is certain gap in the upper end 23 ' of spool 2 ' with valve bonnet 5 ' middle part, under action of gravitation, spool 2 ' sinks, it is inhomogeneous that these matching gaps just become, top gap is large, below the gap little.In valve group opening and closing process, at first wear and tear in the place that matching gap is little, forms so-called " eccentric wear ".Meanwhile, the fitting surface of 90 ° of conical surfaces on nonmetal seal ring 3 ' and the valve seat 1 ' endoporus 11 ' also is followingly to contact first; Under the effect of pressure, nonmetal seal ring 3 ' just with 90 ° of conical surface comprehensive engagements of valve seat 1 '; So, nonmetal seal ring 3 ' has the process of a upward sliding with respect to 90 ° of conical surfaces of valve seat 1 '.Just this " slip " is so that at first wearing and tearing below the nonmetal seal ring 3 '." eccentric wear " must be more, and " slip " distance is just longer, and 3 ' time surface wear of nonmetal seal ring must be just faster, and the centering of cone valve and valve seat and sealing are just poorer, and the life-span of valve group is also just lower.
Therefore, improve centering and the sealing of center line when being horizontal arrangement of two nonmetal sealing mitre velves of guidance tape, improve the problem that becomes the reciprocating pump research of technique working life of valve group.
Summary of the invention
Technical problem to be solved in the utility model is the nonmetal sealing mitre velve of rotatable pair of guidance tape of spool that a kind of centering and good airproof performance, long service life are provided for above-mentioned prior art.
The utility model solves the problems of the technologies described above the technological scheme that adopts: the nonmetal sealing mitre velve of rotatable pair of guidance tape of this spool, comprise valve seat, and the center of described valve seat is provided with valve seat orifice, and spool is movably arranged in the described valve seat orifice; The opening end of described valve seat orifice is processed into the conical surface that matches with spool outer wall conical surface, and nonmetal seal ring is contained in the groove on the spool outer wall conical surface, and matches with the conical surface of valve seat orifice opening end; Valve bonnet is located on the valve seat, is provided with the [Dan that an inside axle extends on the valve bonnet, and spring housing is located on the outer wall of described [Dan; Be provided with on the described spool and [Dan the first directional post that match, that can in [Dan, move around on the valve bonnet, and the second directional post that matches with valve seat orifice, can in valve seat orifice, move around, it is characterized in that described the second directional post is fusiform by several sectional shapes, and the guide grab of arranging twist with the center spool line consists of.
Further, described spool top also is processed with a groove, and ceramic ball is housed in the groove, and the pad that anti-ceramic ball drops out is housed on the ceramic ball.
As preferably, described guide grab is four; The described spring one end that is enclosed within on the valve bonnet [Dan outer wall withstands on the valve bonnet inwall, and the other end withstands on the described pad.
Compared with prior art, the utility model has the advantage of: when liquid flows to valve seat orifice and four sectional shapes of spool and is streamline and the guide grab arranged twist with the center spool line, liquid can be to producing an active force on the vertical surface of the guide grab streamlined cross-section of spool, this power that acts on four guide grabs can resolve into two power: one is the power that spool is opened, and one is the power that makes Spool rotating.Although the pressure of spring is by pad, ceramic ball, act on the spool, produce a frictional force that stops Spool rotating, but owing to being rolling friction between ceramic ball and the spool, frictional force is very little, liquid effects makes the power of Spool rotating can overcome this very little frictional force at four guide grabs, thereby makes spool produce rotation when opening.When the center line of the rotatable pair of nonmetal sealing mitre velve of guidance tape of spool when being horizontal arrangement, although the phenomenon of " eccentric wear " and " slip " can occur equally, but because spool is rotatable, therefore the wearing and tearing of the first directional post of spool and the second directional post are uniform, nonmetal ring wear also is uniform, therefore the sealing of the conical surface of nonmetal seal ring and valve seat orifice opening end is enhanced, and also be improved the working life of valve group.
Description of drawings
Fig. 1 is the structural representation of the rotatable pair of nonmetal sealing mitre velve of guidance tape of spool among the utility model embodiment.
Fig. 2 is that four sectional shapes of spool are streamline and the guide grab free-body diagram arranged twist with the center spool line among the utility model embodiment.
Fig. 3 is the structural representation of the center line of two nonmetal sealing mitre velves of guidance tape in the prior art when being horizontal arrangement.
Fig. 4 is that the center line of two nonmetal sealing mitre velves of guidance tape in the prior art is the structural representation when being arranged vertically.
Fig. 5 be among Fig. 4 A-A to sectional view.
Embodiment
Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.
The nonmetal sealing mitre velve of rotatable pair of guidance tape of spool as shown in Figure 1, it comprises the valve groups that jointly are comprised of valve seat 1, spool 2 and valve bonnet 5.Valve seat 1 center is provided with valve seat orifice 11, and spool 2 is movably arranged in the described valve seat orifice 11; Valve bonnet 5 is arranged on the relative position of the outer and described valve seat orifice of described valve seat 1 11, is provided with the liquid outlet of spool on the valve bonnet 5.The opening end of described valve seat orifice 11 is processed into the conical surface that matches with spool 2 outer wall conical surfaces; Be processed with a groove 21 on the described spool 2 outer wall conical surfaces, nonmetal seal ring 3 is contained in this groove 21, and matches with the conical surface of valve seat orifice 11 opening ends.Described spool 2 tops are processed with a groove 24, and ceramic ball 7 is contained in this groove 24; One pad 6 is housed, in case ceramic ball 7 drops out on the described ceramic ball 7.Be provided with the [Dan 51 that an inside axle extends on the described valve bonnet 5, spring 4 is set on the outer wall of [Dan 51, and spring 4 one ends are installed on valve bonnet 5 inwalls, and the spring the other end is installed on the described pad 6.Be provided with the first directional post 23 51 that match with [Dan, that can in [Dan 51, move around on the described spool 2, and the second directional post 22 11 that match with valve seat orifice, that can in valve seat orifice 11, move around, be streamline and the guide grab arranged twist with the center spool line and described the second directional post 22 is four sectional shapes.Between valve bonnet 5 and the valve seat 1 for being threaded.
Such as Fig. 2, shown in Figure 1, the guide grab that is provided with four sectional shapes on the spool 2 and is streamline and arrange twist with the center spool line.Flowing liquid can be to producing an active force on the vertical surface of the guide grab streamlined cross-section of spool, this power that acts on four guide grabs can resolve into two power: one is the power P1 that spool is opened, and one is the power P2 that makes Spool rotating.These four the active force P2 that make spool 2 rotations, overcome the frictional force (the very little force of rolling friction between spool 2 and the ceramic ball 7) that stops Spool rotating that spring 4 produces, make spool 2 rotations, thereby make the present embodiment form the nonmetal sealing mitre velve of rotatable pair of guidance tape of spool.
The nonmetal sealing mitre velve of rotatable pair of guidance tape of the spool of the present embodiment except the characteristics that both have conventional two nonmetal sealing mitre velves of guidance tape, also has the following advantages:
1, valve group applied range both can be arranged vertically, again can horizontal arrangement;
2, each matching part even wearing of valve group, nonmetal sealing ring tightness can be good, high life.
Claims (4)
1. the nonmetal sealing mitre velve of rotatable pair of guidance tape of a spool comprises valve seat, and the center of described valve seat is provided with valve seat orifice, and spool is movably arranged in the described valve seat orifice; The opening end of described valve seat orifice is processed into the conical surface that matches with spool outer wall conical surface, and nonmetal seal ring is contained in the groove on the spool outer wall conical surface, and matches with the conical surface of valve seat orifice opening end; Valve bonnet is located on the valve seat, is provided with the [Dan that an inside axle extends on the valve bonnet, and spring housing is located on the outer wall of described [Dan; Be provided with on the described spool and [Dan the first directional post that match, that can in [Dan, move around on the valve bonnet, and the second directional post that matches with valve seat orifice, can in valve seat orifice, move around, it is characterized in that: described the second directional post is fusiform by several sectional shapes, and the guide grab of arranging twist with the center spool line consists of.
2. as claimed in claim 1 pair of nonmetal sealing mitre velve of guidance tape, it is characterized in that: described spool top also is processed with a groove, and ceramic ball is housed in the groove, and the pad that anti-ceramic ball drops out is housed on the ceramic ball.
3. as claimed in claim 1 or 2 pair of nonmetal sealing mitre velve of guidance tape, it is characterized in that: described guide grab has four.
4. as claimed in claim 2 pair of nonmetal sealing mitre velve of guidance tape, it is characterized in that: the described spring one end that is enclosed within on the valve bonnet [Dan outer wall withstands on the valve bonnet inwall, and the other end withstands on the described pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220574699 CN202900623U (en) | 2012-11-02 | 2012-11-02 | Dual-guide-tape nonmetal sealing conical valve with rotatable spool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220574699 CN202900623U (en) | 2012-11-02 | 2012-11-02 | Dual-guide-tape nonmetal sealing conical valve with rotatable spool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202900623U true CN202900623U (en) | 2013-04-24 |
Family
ID=48121301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220574699 Expired - Lifetime CN202900623U (en) | 2012-11-02 | 2012-11-02 | Dual-guide-tape nonmetal sealing conical valve with rotatable spool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202900623U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108302030A (en) * | 2018-01-30 | 2018-07-20 | 浙江大农实业股份有限公司 | High pressure check valve suitable for cleaning machine high-pressure plunger pump |
| CN109812603A (en) * | 2019-04-11 | 2019-05-28 | 郑州鼎盛新技术有限公司 | A double-guided ceramic check valve |
| CN121654775A (en) * | 2026-02-06 | 2026-03-13 | 浙江博拓里尼机械股份有限公司 | Spin-repairable one-way valve, plunger pump and processing application method thereof |
-
2012
- 2012-11-02 CN CN 201220574699 patent/CN202900623U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108302030A (en) * | 2018-01-30 | 2018-07-20 | 浙江大农实业股份有限公司 | High pressure check valve suitable for cleaning machine high-pressure plunger pump |
| CN109812603A (en) * | 2019-04-11 | 2019-05-28 | 郑州鼎盛新技术有限公司 | A double-guided ceramic check valve |
| CN121654775A (en) * | 2026-02-06 | 2026-03-13 | 浙江博拓里尼机械股份有限公司 | Spin-repairable one-way valve, plunger pump and processing application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 315105, integrity investment Road, Yinzhou District investment center, Ningbo, Zhejiang, Yinzhou 888 Patentee after: NINGBO HELI MECHANICAL PUMP Co.,Ltd. Address before: 315105 Yinzhou investment and entrepreneurship center, Ningbo, road, No. 888 Patentee before: Ningbo Heli Machinery Pump Co.,Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 315105 Yinzhou District investment and entrepreneurship center, Ningbo, road, No. 888 Patentee after: NINGBO HELI MECHANICAL PUMP Co.,Ltd. Address before: 315105, integrity investment Road, Yinzhou District investment center, Ningbo, Zhejiang, Yinzhou 888 Patentee before: NINGBO HELI MECHANICAL PUMP Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |