CN204755993U - Novel ball valve sealed firmly - Google Patents
Novel ball valve sealed firmly Download PDFInfo
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- CN204755993U CN204755993U CN201520565516.0U CN201520565516U CN204755993U CN 204755993 U CN204755993 U CN 204755993U CN 201520565516 U CN201520565516 U CN 201520565516U CN 204755993 U CN204755993 U CN 204755993U
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Abstract
The utility model provides a novel ball valve sealed firmly, which comprises the following components: a valve body, it has the media channel who runs through the valve body and control the terminal surface to open on the valve body, it has the installation passageway to open on the valve body, media channel is equipped with the case with the cross section of installation passageway, the left and right sides of case all is equipped with the disk seat, all be fixed with sealed boss on the sealed face of each disk seat, the lateral part of each disk seat all is equipped with the drum no. 1 of sealed pipe thread connection in media channel department, all install on each drum no. 1 and be used for pressing the pressure spring no. 1 who moves the disk seat and remove towards the case direction, all open a set of recess along a drum central equipartition on the outer terminal surface of each drum no. 1, the top of installation passageway is fixed with the valve gap, the bottom of installation passageway is fixed with and is used for the sealed sealed lid of firmly installing the passageway bottom, it has the stem seal who is used for the rotating valve core to cover to be fixed with the brace table that is used for supporting the case to peg graft on the valve gap, the equal surfacing of the sphere of case and the surface of sealed boss has ni -based hard alloy layer. The utility model discloses structural design is ingenious, reasonable, is worth popularizing and applying.
Description
Technical field
The utility model relates to a kind of valve, especially a kind of Novel hard seal ball valve for there being solid particle medium to seal.
Background technique
Valve is the controlling component in fluid delivery system, and especially ball valve is widely used in the numerous areas such as oil, chemical industry, medicine, metallurgy, mine, food, urban construction.
At present, the sealing material adopted due to ball valve mostly is teflon, can only be routine without the medium of solid particle in use, applying working condition is very restricted, when many for some medium impurity, often easily cause the scratch of polytetrafluoroethylmaterial material sealing surface, scuffing etc., have influence on seal action, and cause the situation of valve invalidation.
Model utility content
The utility model will solve the shortcoming of above-mentioned prior art, provides a kind of and to the Novel hard seal ball valve having solid particle medium to carry out Effective Regulation sealing, can meet client for the demand having solid particle medium to carry out Effective Regulation, control.
The utility model solves the technological scheme that its technical problem adopts: this Novel hard seal ball valve, comprise valve body, valve body has the medium channel running through valve body left and right end face, valve body has the installation passage running through valve body upper and lower end face and run through medium channel simultaneously, medium channel is provided with the spool for opening and closing medium channel with the infall installing passage, the left and right sides of spool is all provided with the valve seat being plugged on medium channel place, the sealing surface of each valve seat is all fixed with seal boss, the sidepiece of each valve seat is all provided with the cylinder one that sealed pipe is threaded in medium channel place, each cylinder one is all provided with for pressing the holddown spring of valve seat towards the movement of spool direction, the exterior edge face of each cylinder one all has one group of groove uniform along cylinder one center, the top of installing passage is fixed with for sealing up the valve gap installing channel roof, the bottom of installing passage is fixed with having for sealing up the sealing cover installing channel bottom, valve gap is plugged with the valve rod for rotational valve core, sealing cover is fixed with the support platform for supporting spool, the equal surfacing of the sphere of spool and the surface of seal boss has carbide alloy of nickel-base layer.The equal surfacing in surface of spool sphere here and seal boss has the setting of carbide alloy of nickel-base layer to be in order in the process of valve core rotation, can increase when spool rotates on seal boss and increase wear resistance, also can to have solid particle medium rub for a long time impact spool and seal boss time, increase the intensity of spool and seal boss, make spool and seal boss surface for a long time also can keep smooth in operation, make spool and seal boss resistance to wear and impact resistance strengthens greatly; Here carbide alloy of nickel-base is material general on the market, and spray welding process is also existing process engineering general on the market; Here the sidepiece of each valve seat is all provided with sealed pipe and is threaded in the cylinder one at medium channel place and the setting of holddown spring, in the process rubbed mutually for a long time at spool and seal boss, can guide valve core and seal boss surface abrasion thinning, so turn pipe one, the spacing between valve seat and pipe one can be reduced, thus holddown spring is compressed, and then the promotion to valve seat can be played, and then seal boss can be made to continue to be pressed on the sphere of spool, increase sealing; All by the sealing material such as seal ring, sealing gasket encapsulation process between each critical component.
Perfect further, the sidepiece of cylinder one is provided with revolving part, revolving part comprises annulus block and is located at the cylindrical piece at annulus block center, one group of connection strut uniform along cylindrical piece center is fixed with between annulus block and cylindrical piece, the outer side surface center of cylindrical piece has interior hexagonal groove, the inner side surface of annulus block is fixed with the post block of one group of size distribution and matching grooves, each post block can be arranged on each groove.This set, can conveniently utilize revolving part to rotate pipe one, carries out carrying out compression process to holddown spring; During use, only need post block to be arranged on groove, inner hexagon spanner being arranged on interior hexagonal groove place, moving inner hexagon spanner, driven rotary part, pipe one synchronous axial system can be driven, convenient, fast.
Perfect further, the inner peripheral surface of cylinder one is fixed with cylinder two, between cylinder two and valve seat, is provided with the O type circle be arranged on cylinder two.This set, be to utilize pipe two and O type circle to seal up holddown spring, making holddown spring and medium channel keep apart, thus avoid holddown spring to contact with band solid particle medium, avoid the solid particle in medium to be trapped on holddown spring, thus affect the use of holddown spring.
Perfect further, the top of valve gap is provided with worm and gear gear-box, and the worm gear on worm and gear gear-box and valve rod are fixed, and the worm screw of worm and gear gear-box is fixed with runner.This set, conveniently utilizes worm and gear gear-box and runner to control the rotation of valve rod, thus rotation that is convenient, that easily control spool.
Perfect further, sealing cover is fixed with outlet pipe, outlet pipe is provided with outlet valve.Owing between seal boss and spool sphere being hard sealing, when valve core rotation, have in the cavity that a little medium flows between valve ball face, valve gap, sealing cover, thus can be gathered on the end face of sealing cover, of long duration, after media aggregates is many, the aging of the parts such as spool, sealing cover, support platform can be accelerated, affect the working life of ball valve, so the medium be gathered on sealing cover end face can flow in the region of specifying by outlet pipe, outlet valve, the gathering of medium on sealing cover end face can be avoided like this.
The effect that the utility model is useful is: the utility model smart structural design, rationally, seal boss is utilized to seal spool sphere as sealed member, the encapsulation process to there being solid particle medium can well be played, and all surfacing has carbide alloy of nickel-base layer on seal boss and spool sphere, wear resistance and the shock resistance intensity on spool and seal boss surface can be increased, and the setting of cylinder one on medium channel, effectively can control the decrement of holddown spring, thus the elastic force of holddown spring to valve seat can well be controlled, thus control the impacting force of seal boss for spool sphere, make spool and seal boss surface after working long hours, when causing the surface abrasion of spool and seal boss thinning, by regulating the elastic force of holddown spring, can ensure that seal boss can not diminish to the impacting force of spool sphere, after ensure that this ball valve long-play, also normal use can be continued, add the working life of this ball valve, be worthy of popularization.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the a-quadrant partial enlarged drawing of Fig. 1;
Fig. 3 is a-quadrant cylinder one work of Fig. 1 partial enlarged drawing when pressing holddown spring;
Fig. 4 is the side view of the utility model revolving part.
Description of reference numerals: valve body 1, medium channel 1-1, installs passage 1-2, spool 2, valve seat 3, seal boss 3-1, cylinder 1, groove 4-1, holddown spring 5, valve gap 6, sealing cover 7, valve rod 8, support platform 9, revolving part 10, annulus block 10-1, cylindrical piece 10-2, interior hexagonal groove 10-2a, connect strut 10-3, post block 10-4, cylinder 2 11, O type circle 12, worm and gear gear-box 13, runner 14, outlet pipe 15, outlet valve 16.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
With reference to accompanying drawing: this Novel hard seal ball valve, comprise valve body 1, valve body 1 has the medium channel 1-1 running through valve body about 1 end face, valve body 1 has the installation passage 1-2 running through valve body 1 upper and lower end face and run through medium channel 1-1 simultaneously, medium channel 1-1 is provided with the spool 2 for opening and closing medium channel 1-1 with the infall installing passage 1-2, the left and right sides of spool 2 is all provided with the valve seat 3 being plugged on medium channel 1-1 place, the sealing surface of each valve seat 3 is all fixed with seal boss 3-1, the sidepiece of each valve seat 3 is all provided with the cylinder 1 that sealed pipe is threaded in medium channel 1-1 place, each cylinder 1 is all provided with for pressing the holddown spring 5 of valve seat 3 towards spool 2 direction movement, the exterior edge face of each cylinder 1 all has one group of groove 4-1 uniform along cylinder 1 center, the top of installing passage 1-2 is fixed with for sealing up the valve gap 6 installing passage 1-2 top, the bottom of installing passage 1-2 is fixed with having for sealing up the sealing cover 7 installed bottom passage 1-2, valve gap 6 is plugged with the valve rod 8 for rotational valve core 2, sealing cover 7 is fixed with the support platform 9 for supporting spool 2,
The sphere of spool 2 and the equal surfacing in surface of seal boss 3-1 have carbide alloy of nickel-base layer.
The sidepiece of cylinder 1 is provided with revolving part 10, revolving part 10 comprises annulus block 10-1 and is located at the cylindrical piece 10-2 at annulus block 10-1 center, one group of connection strut 10-3 uniform along cylindrical piece 10-2 center is fixed with between annulus block 10-1 and cylindrical piece 10-2, the outer side surface center of cylindrical piece 10-2 has interior hexagonal groove 10-2a, the inner side surface of annulus block 10-1 is fixed with the post block 10-4 that one group of size distribution is mated with groove 4-1, each post block 10-4 can be arranged on each groove 4-1 place.
The inner peripheral surface of cylinder 1 is fixed with cylinder 2 11, between cylinder 2 11 and valve seat 4, is provided with the O type circle 12 be arranged on cylinder 2 11.
The top of valve gap 5 is provided with worm and gear gear-box 13, and the worm gear on worm and gear gear-box 13 and valve rod 8 are fixed, and the worm screw of worm and gear gear-box 13 are fixed with runner 14.
Sealing cover 7 is fixed with outlet pipe 15, outlet pipe 15 is provided with outlet valve 16.
The effect that the utility model is useful is: the utility model smart structural design, rationally, seal boss 3-1 is utilized to seal spool 2 sphere as sealed member, the encapsulation process to there being solid particle medium can well be played, and all surfacing has carbide alloy of nickel-base layer on seal boss 3-1 and spool 2 sphere, wear resistance and the shock resistance intensity on spool 2 and seal boss 3-1 surface can be increased, and the setting of cylinder 1 on medium channel 1-1, effectively can control the decrement of holddown spring 5, thus the elastic force of holddown spring 5 pairs of valve seats 2 can well be controlled, thus control the impacting force of seal boss 3-1 for spool 2 sphere, make spool 2 and seal boss 3-1 surface after working long hours, when causing the surface abrasion of spool 2 and seal boss 3-1 thinning, by regulating the elastic force of holddown spring, can ensure that the impacting force of seal boss 3-1 to spool 2 sphere can not diminish, after ensure that this ball valve long-play, also normal use can be continued, add the working life of this ball valve, be worthy of popularization.
Although the utility model has illustrated by reference to preferred embodiment and has described, those skilled in the art should understand, and in the scope of claims, can do the various change in form and details.
Claims (5)
1. a Novel hard seal ball valve, comprise valve body (1), it is characterized in that: described valve body (1) has the medium channel (1-1) running through valve body (1) left and right end face, described valve body (1) has the installation passage (1-2) running through valve body (1) upper and lower end face and run through medium channel (1-1) simultaneously, it is characterized in that: described medium channel (1-1) is provided with the spool (2) for opening and closing medium channel (1-1) with the infall installing passage (1-2), the left and right sides of described spool (2) is all provided with the valve seat (3) being plugged on medium channel (1-1) place, the sealing surface of each described valve seat (3) is all fixed with seal boss (3-1), the sidepiece of each described valve seat (3) is all provided with the cylinder one (4) that sealed pipe is threaded in medium channel (1-1) place, each described cylinder one (4) is all provided with for pressing the holddown spring (5) of valve seat (3) towards spool (2) direction movement, the exterior edge face of each described cylinder one (4) all has one group of groove (4-1) uniform along cylinder one (4) center, the top of described installation passage (1-2) is fixed with for sealing up the valve gap (6) installing passage (1-2) top, the bottom of described installation passage (1-2) is fixing with having for sealing up the sealing cover (7) installing passage (1-2) bottom, described valve gap (6) is plugged with the valve rod (8) for rotational valve core (2), described sealing cover (7) is fixed with the support platform (9) for supporting spool (2),
The sphere of described spool (2) and the equal surfacing in surface of seal boss (3-1) have carbide alloy of nickel-base layer.
2. Novel hard seal ball valve according to claim 1, it is characterized in that: the sidepiece of described cylinder one (4) is provided with revolving part (10), described revolving part (10) comprises annulus block (10-1), and be located at the cylindrical piece (10-2) at annulus block (10-1) center, one group of connection strut (10-3) uniform along cylindrical piece (10-2) center is fixed with between described annulus block (10-1) and cylindrical piece (10-2), the outer side surface center of described cylindrical piece (10-2) has interior hexagonal groove (10-2a), the inner side surface of described annulus block (10-1) is fixed with the post block (10-4) that one group of size distribution is mated with groove (4-1), each described post block (10-4) can be arranged on each described groove (4-1) place.
3. Novel hard seal ball valve according to claim 1, it is characterized in that: the inner peripheral surface of described cylinder one (4) is fixed with cylinder two (11), between described cylinder two (11) and valve seat (4), be provided with the O type circle (12) be arranged on cylinder two (11).
4. Novel hard seal ball valve according to claim 1, it is characterized in that: the top of described valve gap (6) is provided with worm and gear gear-box (13), worm gear on described worm and gear gear-box (13) and valve rod (8) are fixed, and the worm screw of described worm and gear gear-box (13) is fixed with runner (14).
5. Novel hard seal ball valve according to claim 1, is characterized in that: described sealing cover (7) is fixed with outlet pipe (15), described outlet pipe (15) is provided with outlet valve (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520565516.0U CN204755993U (en) | 2015-07-30 | 2015-07-30 | Novel ball valve sealed firmly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520565516.0U CN204755993U (en) | 2015-07-30 | 2015-07-30 | Novel ball valve sealed firmly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204755993U true CN204755993U (en) | 2015-11-11 |
Family
ID=54470700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520565516.0U Active CN204755993U (en) | 2015-07-30 | 2015-07-30 | Novel ball valve sealed firmly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204755993U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253155A (en) * | 2018-01-12 | 2018-07-06 | 江苏远洋阀门智控股份有限公司 | A kind of oil seal Gas stop cock |
| CN113154076A (en) * | 2021-04-01 | 2021-07-23 | 浙江上工阀门有限公司 | High-safety high-frequency novel high-pressure fixed ball valve with reliable sealing performance by quick opening and closing |
-
2015
- 2015-07-30 CN CN201520565516.0U patent/CN204755993U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253155A (en) * | 2018-01-12 | 2018-07-06 | 江苏远洋阀门智控股份有限公司 | A kind of oil seal Gas stop cock |
| CN113154076A (en) * | 2021-04-01 | 2021-07-23 | 浙江上工阀门有限公司 | High-safety high-frequency novel high-pressure fixed ball valve with reliable sealing performance by quick opening and closing |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |