CN202884090U - Novel upwards-mounted type ball valve - Google Patents
Novel upwards-mounted type ball valve Download PDFInfo
- Publication number
- CN202884090U CN202884090U CN 201220394630 CN201220394630U CN202884090U CN 202884090 U CN202884090 U CN 202884090U CN 201220394630 CN201220394630 CN 201220394630 CN 201220394630 U CN201220394630 U CN 201220394630U CN 202884090 U CN202884090 U CN 202884090U
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- valve
- valve body
- spool
- seat
- type ball
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- Expired - Fee Related
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Abstract
A novel upwards-mounted type ball valve belongs to the technical field of valves and comprises a valve body, an upper valve core, a lower trunnion, a valve core, an upper valve rod, a manual device, a spring seat, a spring, a support ring and the like. The lower trunnion is arranged at the bottom of the valve body, the valve core is arranged between a valve seat and the support ring, the outer ends of the upper valve rod extends out of the upper valve core to be connected with the manual device. The novel upwards-mounted type ball valve has the advantages that the lower trunnion, the valve core and the upper valve rod are integrally connected to be easy to fix; the valve seat can be aligned at the valve core; ball body eccentricity caused by uneven stress on the valve core is avoided to enable sealing performance to be good; the novel upwards-mounted type ball valve facilitates manual assembly, is convenient to adjust and saves assembly time; the valve is not dismounted after being installed on a pipeline; a worker can take out the valve core by opening the upper valve core; when inner components of the valve seat and the like are replaced, pipeline outage time is shortened, and efficiency is improved; and the integrated valve core can save more materials than a separated valve core.
Description
Technical field
The utility model belongs to valve technology field, particularly novel upper-mounting type ball valve.
Background technique
Existing separated type spool upper-mounting type ball valve is as the individual components body cavity of packing into lower gudgeon, spool, upper valve rod, and valve seat is with in the parallel valve body of packing into of spool, bracing ring radially blocks by valve two ends special tooling, apply axial tension and bracing ring and spring could be pressed onto the position, there are following several point defects in this structure:
1, the parallel valve body content of packing into spool of valve seat is prone to spool and causes the clamping stagnation problem with the valve seat decentraction, thereby increases the valve torque problem.
2, spool and left and right sides valve seat eccentric phenomena appear in the valve seat parallel valve body of packing into spool easily, even cause left and right sides valve sealing face unbalance stress, cause valve seat low working life, thereby reveal.
3, can cause workman's efficiency of assembling low in the parallel valve body of packing into spool of valve seat.
4, be installed on pipeline in the parallel valve body of packing into spool of valve seat after, the workman can only unload lower valve and keep in repair, and causes pipeline idle time long.
5, cooperate adjustment to produce larger difficulty to sealing pair in the parallel valve body of packing into spool of valve seat, the spring that valve seat is depended merely on behind the bracing ring independently produces the adjustment of axial pre tightening force to its, can affect valve seat with the sealability of spool, valve seat calcaneus branches support ring decentraction just leakage problem might occur.
The model utility content
The purpose of this utility model is in order to address the above problem, a kind of novel upper-mounting type ball valve that improves structure to be provided, and has rational in infrastructure, long service life, good seal performance, the advantage such as easy to assembly.
For achieving the above object, the technical solution of the utility model is:
Novel upper-mounting type ball valve, comprise valve body, spool, lower gudgeon, upper valve rod, valve seat, bracing ring, spring seat, bonnet, the part such as manual operating device and spring, first valve seat is bumped in the bracing ring, again locking nut calcaneus branches support ring screw thread place is tightened and put in place, after then the bracing ring cooperation place of packing into behind the spring seat being positioned at locking nut, again spring is put into spring base hole one by one, again the bracing ring afterbody is put into O type circle, the parts that combine are put into body cavity by the valve body top, be individually fixed in two ends, left and right sides matching part in the valve body, tightening locking nut calcaneus branches support ring adopts thread fiting mode drive bracing ring to fall back on the position again, when spool is put into so can interference phenomenon not appear the calcaneus branches support ring, then with lower gudgeon, spool, the upper valve rod body cavity of packing into, pack into valve body bottom of lower gudgeon is fixed, again loosening locking nut drive the bracing ring return with valve seat and spool until fit tightly, again bonnet is inserted in the upper valve rod valve body matching part of packing into, and valve body and bonnet are provided with sealing configuration, bonnet and upper valve rod are provided with sealing configuration, bracing ring is provided with sealing configuration with valve body, to guarantee the sealability of this novel upper-mounting type ball valve, the upper valve rod outer end is stretched out bonnet and is linked to each other with manual operating device.
Above-mentioned valve body is the integrated type valve body, and connects by stud and nut between the bonnet.
In this novel upper-mounting type ball valve, the integral type spool by on to put into the aperture of valve body position generally larger, the equipment adjustment when being beneficial to left and right sides valve seat and integral type spool and packing into is convenient.
Compared with prior art, the utlity model has following advantage:
1, the integral type spool is saved material than Split type valve core.
2, can solve the heavy problem of existing upper-mounting type ball valve moment of torsion.
3, spool is contacted better with valve base sealing, it is easier to be fixing and be not easy to occur the spool unbalance stress after being connected as a single entity that spool is caught up with valve rod, lower gudgeon, makes the spool eccentric phenomena, can guarantee that more sealability is better.
4, be more conducive to workman's assembling, easy to adjust, save the time that assembling expends.
5, need not unload lower valve after being installed on pipeline, open the bonnet workman and just can take out spool, thereby change the interior fittings such as valve seat, the time shorten that pipeline is stopped transport is raised the efficiency.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified:
Fig. 1 is the structural representation of novel upper-mounting type ball valve of the present utility model.
Fig. 2 is the structural representation of upper-mounting type ball valve in the parallel valve body of packing into valve seat of existing separated type spool.
Fig. 3 is the structural representation of the parts of the utility model integral type valve hole part.
Fig. 4 is the partial schematic diagram of the parts such as the utility model bracing ring and valve seat.
Fig. 5 is the plan view of the utility model locking nut.
Fig. 6 is the side sectional view of the utility model locking nut.
Embodiment:
As shown in Figure 1, this novel upper-mounting type ball valve comprises the parts such as valve body 7, spool 6, lower gudgeon 9, upper valve rod 10, valve seat 5, bracing ring 3, spring seat 1, bonnet 12, manual operating device 11 and spring 13, and manual operating device 11 is used for the keying of control ball valve.
As shown in Figure 1, first valve seat 5 is bumped in the bracing ring 3, again locking nut 4 calcaneus branches support rings 3 screw thread places are tightened and put in place, after then bracing ring 3 cooperation places of packing into behind the spring seat 1 being positioned at locking nut 4, again spring 13 is put into one by one spring seat 1 hole, cooperate the back to offer O type ring recess the inside with spring 13 with spring seat 1 bracing ring 3 again and put into O type circle 14, the parts that combine are put into valve body 7 inner chambers by valve body 7 tops, be individually fixed in groove fit position, two ends, the valve body 7 interior left and right sides, tighten again locking nut 4 calcaneus branches support rings 3 and adopt the scyewed joint fit system, drive bracing ring 3 by locking nut 4 and fall back on the position, when spool 6 is put into so can interference phenomenon not appear calcaneus branches support ring 3, then with lower gudgeon 9, spool 6, upper valve rod 10 valve body 7 inner chambers of packing into, lower gudgeon 9 valve body 7 bottoms of packing into are fixed, loosening locking nut 4 drives bracing ring 3 returns until valve seat 5 and spool 6 fit tightly again, again bonnet 12 is inserted in upper valve rod 10 valve body 7 matching parts of packing into, bonnet 12 and valve body 7 are by stud 16, nut 15 connects, hold-down grid 17 connects with bonnet 12 by the cylinder head bolt 18 at its two ends, fastening cylinder head bolt 18 produces pretightening force and seals, and valve body 7 is provided with sealing configuration 101 with bonnet 12, bonnet 12 and upper valve rod 10 are provided with sealing configuration 102, bracing ring 3 is provided with sealing configuration 103 with valve body 7, to guarantee the sealability of this novel upper-mounting type ball valve.
From the above, lower gudgeon 9, spool 6, upper valve rod 10 is that parts are put into valve body 7 inner chambers as a whole, avoid separated type spool upper-mounting type ball valve with lower gudgeon 9, spool 6, when upper valve rod 10 is put into one by one as individual components, it is large that mismatch error occurs easily, be difficult to guarantee lower gudgeon 9, upper valve rod 10 is with spool 2 same axle center, be difficult to also guarantee that spool 6 is with the same axle center of valve body 7 runner mouths, cause assembling poor effect, it is very hard parts need to be taken out rectification, the greatly situations such as efficient of impact assembling, and separated type spool upper-mounting type ball valve have also improved much the expense of material and processing.Valve seat 5 is bumped into bracing ring 3 and is combined into whole heel valve body 7 cooperations, and valve seat 5 just can not occur axially or radial-play.Bracing ring 3 is with valve seat 5 during as parts independently before avoiding, and bracing ring 3 and valve seat 5 slightly have off-centre to cooperate to adjust to valve seat 5 and spool 6 sealing surfaces bring difficulty, and can affect the problem such as sealing pair long term seal performance.
From the above, locking nut 4 is with after bracing ring 3 has adopted the fit system that is threaded, drive bracing ring 3 by locking nut 4 and carry out degree of tightness, locking nut 4 has herein just embodied the advantage that can adjust the initial tension of spring that puts on spool 6, weight that can well control torque can well control valve seat 5 and spool 6 sealabilities.So just solved existing upper-mounting type ball valve by special tooling, blocking bracing ring 3 offers the position of groove and applies axial tension, could be with bracing ring 3, spring 13 is pressed onto the position, this moment could be with lower gudgeon 9, spool 6, after valve seat 5 is put into valve body 7 and is adjusted, bracing ring 3 could slowly reset, after removing special tooling, after acting on valve seat 5, the pretightening force that is produced by the spring 13 behind the both sides bracing ring 3 holds spool 6 tightly, the size of uncontrollable initial tension of spring like this, can be compared to from the arrow of string, the weight of uncontrollable its moment of torsion, the excessive then moment of torsion of pretightening force is heavy, the too small sealability that then affects of pretightening force, even the situation of appearance leakage.Can only pull down the shortcoming that valve could keep in repair after having avoided again existing upper-mounting type ball valve to load onto pipeline.
As shown in Figure 4, spring seat 1 internal diameter is offered groove one, reduce radially area of contact, in order to prevent bracing ring 3 stressed impacts on spring seat 1, prevent stuck phenomenon, spring seat 1 afterbody is drilled with the spring counterbore, and spring seat 1 counterbore applies pretightening force with 13 pairs of valve seats 5 of spring, guarantees that spool 6 leak case do not occur with valve seat 5 when low pressure.
As shown in Figure 5, locking nut 4 external diameters are offered the uniform cubic groove in several roads, set up the uniform cubic groove in several roads according to caliber size, and the cubic groove effect of offering is to be convenient to bracing ring 3 can better carry out degree of tightness by instrument with locking nut 4, reaches the optimum state.
Claims (4)
1. novel upper-mounting type ball valve, comprise valve body (7), spool (6), lower gudgeon (9), upper valve rod (10), valve seat (5), bracing ring (3), spring seat (1), bonnet (12), the parts such as manual operating device (11) and spring (13), first valve seat (5) is bumped in the bracing ring (3), again locking nut (4) calcaneus branches support ring (3) screw thread place is tightened and put in place, after then bracing ring (3) cooperation place of packing into behind the spring seat (1) being positioned at locking nut (4), again spring (13) is put into one by one spring seat (1) hole, again bracing ring (3) afterbody is put into O type circle (14), the parts that combine are put into valve body (7) inner chamber by valve body (7) top, be individually fixed in two ends, the interior left and right sides of valve body (7) matching part, tightening locking nut (4) calcaneus branches support ring (3) adopts thread fiting mode drive bracing ring (3) to fall back on the position again, spool (6) can interference phenomenon not occur by calcaneus branches support ring (3) when putting into like this, then with lower gudgeon (9), spool (6), upper valve rod (10) valve body (7) inner chamber of packing into, pack into valve body (7) bottom of lower gudgeon (9) is fixed, again loosening locking nut (4) drive bracing ring (3) return with valve seat (5) and spool (6) until fit tightly, again bonnet (12) is inserted in upper valve rod (10) valve body (7) matching part of packing into, and valve body (7) is provided with sealing configuration (101) with bonnet (12), bonnet (12) and upper valve rod (10) are provided with sealing configuration (102), bracing ring (3) is provided with sealing configuration (103) with valve body (7), to guarantee the sealability of this novel upper-mounting type ball valve.
2. novel upper-mounting type ball valve according to claim 1 is characterized in that locking nut (4) external diameter is offered the uniform cubic groove in several roads, sets up the uniform cubic groove in several roads according to caliber size.
3. novel upper-mounting type ball valve according to claim 1 is characterized in that spring seat (1) is drilled with the spring counterbore as individual components, and spring seat (1) internal diameter is provided with groove one.
4. novel upper-mounting type ball valve according to claim 1 is characterized in that lower gudgeon (9), spool (6), upper valve rod (10) parts that hold together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220394630 CN202884090U (en) | 2012-08-04 | 2012-08-04 | Novel upwards-mounted type ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220394630 CN202884090U (en) | 2012-08-04 | 2012-08-04 | Novel upwards-mounted type ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202884090U true CN202884090U (en) | 2013-04-17 |
Family
ID=48075520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220394630 Expired - Fee Related CN202884090U (en) | 2012-08-04 | 2012-08-04 | Novel upwards-mounted type ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202884090U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829209A (en) * | 2012-08-04 | 2012-12-19 | 张丽智 | Novel top entry ball valve |
-
2012
- 2012-08-04 CN CN 201220394630 patent/CN202884090U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829209A (en) * | 2012-08-04 | 2012-12-19 | 张丽智 | Novel top entry ball valve |
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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: 20130417 Termination date: 20160804 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |