CN214197527U - Valve packing locking structure - Google Patents
Valve packing locking structure Download PDFInfo
- Publication number
- CN214197527U CN214197527U CN202023082779.6U CN202023082779U CN214197527U CN 214197527 U CN214197527 U CN 214197527U CN 202023082779 U CN202023082779 U CN 202023082779U CN 214197527 U CN214197527 U CN 214197527U
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- China
- Prior art keywords
- valve
- nut
- valve body
- locking
- gasket
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Abstract
The application discloses valve packing locking structure, including valve body, valve rod and nut, the valve rod is installed in the valve body, the nut is fixed on the valve rod, the nut is used for locking the valve rod on the valve body, still includes locking gasket, locking gasket is the ring form, and locking gasket's both sides all are provided with the latch, locking gasket has the multi-disc, locking gasket cover is established on the valve rod, and close-fitting is in the same place through the latch of self between two adjacent locking gasket, locking gasket is located between nut and the valve body. The utility model discloses following beneficial effect has: utilize the locking gasket wedge to get into self-locking performance, improve the valve especially and leak outward because of the not hard up valve rod department that arouses of vibration of nut at the during operation, effectively improve valve life, reduced the installation degree of difficulty.
Description
Technical Field
The utility model relates to a valve field especially relates to a valve packing locking structure.
Background
The current valve structure is as shown in attached figures 1 and 2, the valve mainly comprises a valve body (1), a filler (2), a valve rod (3), a pressing ring (4), a butterfly gasket (5), a locking plate (6) and a nut (7), wherein the filler is arranged between the valve rod and the valve body on the valve body, the pressing ring compresses the filler in the valve body, the nut is fixed on a screw rod, the nut compresses a locking plate and the butterfly gasket in the valve body, and the butterfly gasket and the locking plate compress the pressing ring.
The valve of above-mentioned structure has a problem, compresses tightly through the locking plate promptly, and the structure of locking plate is shown as figure 3 and figure 4, takes two locking plate folios when using, overlaps after the folio and establishes on the valve rod, and the valve body is beaten into with the instrument to the in-process of valve body is being advanced in the installation to this kind of locking plate, so at the in-process of knocking into damage the valve body chamber easily, leads to the valve to reveal easily and the life-span shortens.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to above-mentioned problem, a valve filler locking structure is proposed.
The utility model adopts the following technical scheme:
the utility model provides a valve packing locking structure, includes valve body, valve rod and nut, the valve rod is installed in the valve body, the nut is fixed on the valve rod, the nut is used for locking the valve rod on the valve body, still includes locking gasket, locking gasket is the ring form, and locking gasket's both sides all are provided with the latch, locking gasket has the multi-disc, locking gasket cover is established on the valve rod, and the latch laminating tight fit through self is in the same place between two adjacent locking gasket, locking gasket is located between nut and the valve body.
The self-locking performance of the wedged anti-loosening gasket (a method of replacing friction force by using the tension) is utilized, the leakage of the valve rod caused by the loosening of the nut due to vibration during the working of the valve is improved, the service life of the valve is effectively prolonged, and the installation difficulty is reduced.
Because the locking gasket is provided with the latch, the latch enables the locking gasket to be wedged into a self-locking characteristic when the locking gasket is tightly attached to rotate, and the sealing performance is good.
Optionally, the anti-loose gasket has two pieces.
Two check washers can increase the sealed effect.
Optionally, the valve further comprises a filler, the filler is sleeved on the valve rod, and the filler is located in the valve body.
Optionally, the pressure ring is further included, the pressure ring is sleeved on the valve rod, and the pressure ring is located in the valve body.
Optionally, the valve further comprises a butterfly gasket, the butterfly gasket is sleeved on the valve rod, and the butterfly gasket is located in the valve body.
After the nut is screwed, the packing is always in a compressed state under the action of the resilience force of the butterfly gasket, so that the sealing of the valve rod is ensured.
The valve rod can vibrate when being opened and closed frequently, and the nut is loosened to cause the uncompacted leakage of the packing; the anti-loosening gasket is arranged between the butterfly gasket and the nut, the surfaces of the clamping teeth of the anti-loosening gasket are used for tightly gripping the contact surfaces of the upper part and the lower part, and the packing is always in a compression state through self wedging locking performance so as to ensure sealing.
Optionally, the valve body is a metal valve body, and the valve rod is a metal valve rod.
Optionally, the nut abuts against the anti-loosening gasket.
Optionally, the nut is partially located within the valve body and partially located outside the valve body.
The utility model has the advantages that: utilize the locking gasket wedge to get into self-locking performance, improve the valve especially and leak outward because of the not hard up valve rod department that arouses of vibration of nut at the during operation, effectively improve valve life, reduced the installation degree of difficulty.
Description of the drawings:
figure 1 is a schematic diagram of the structure of the present valve,
figure 2 is a diagrammatic cross-sectional view at a in figure 1,
figure 3 is a top view of the locking tab,
figure 4 is a side view of the locking tab,
figure 5 is a top view of a lock washer,
figure 6 is a side view of a lock washer,
fig. 7 is a schematic diagram of a valve packing locking arrangement.
The figures are numbered: 1. the check valve comprises a valve body, 2, a filler, 3, a valve rod, 4, a pressure ring, 5, a butterfly gasket, 6, a locking plate, 7, a nut, 8, a locking gasket, 801 and a latch.
The specific implementation mode is as follows:
the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 5, fig. 6 and fig. 7, a valve packing locking structure, including valve body 1, valve rod 3 and nut 7, valve rod 3 is installed in valve body 1, nut 7 is fixed on valve rod 3, nut 7 is used for locking valve rod 3 on valve body 1, still include check washer 8, check washer 8 is the ring form, and check washer 8's both sides all are provided with latch 801, check washer 8 has the multi-disc, 8 covers of check washer are established on valve rod 3, close fit together through the latch 801 of self between two adjacent check washers 8, 8 gaskets of check washer are located between nut 7 and the valve body 1.
The self-locking performance (a method of replacing friction force by using the tension) wedged by the anti-loosening gasket 8 is utilized, the leakage of the valve rod 3 caused by the looseness of the nut 7 due to vibration during the working of the valve is improved, the service life of the valve is effectively prolonged, and the installation difficulty is reduced.
Because the lock washer 8 is provided with the latch 801, the presence of the latch 801 makes the lock washer 8 have the characteristic of wedging self-locking when clinging tightly and rotating, and the sealing performance is good.
As shown in fig. 5, 6 and 7, the lock washer 8 has two pieces.
Two check washers 8 can increase the sealing effect.
As shown in fig. 5, fig. 6 and fig. 7, the valve further comprises a packing 2, the packing 2 is sleeved on the valve rod 3, and the packing 2 is located in the valve body 1.
As shown in fig. 5, 6 and 7, the valve further comprises a pressing ring 4, the pressing ring 4 is sleeved on the valve rod 3, and the pressing ring 4 is located in the valve body 1.
As shown in fig. 5, fig. 6 and fig. 7, the valve further comprises a butterfly gasket 5, the butterfly gasket 5 is sleeved on the valve rod 3, and the butterfly gasket 5 is located in the valve body 1.
After the nut 7 is screwed, the packing 2 is always in a compressed state under the action of the resilience force of the butterfly gasket 5, so that the sealing of the valve rod 3 is ensured.
The valve rod 3 is vibrated when being opened and closed frequently, and the nut 7 is loosened to cause the packing 2 to leak without being compressed; the anti-loose gasket 8 is arranged between the butterfly gasket 5 and the nut 7, the surfaces of the clamping teeth 801 of the anti-loose gasket are used for tightly biting the contact surfaces of the upper part and the lower part, and the packing 2 is always in a compression state through self wedging locking performance so as to ensure sealing.
As shown in fig. 5, 6 and 7, the valve body 1 is a metal valve body 1, and the valve rod 3 is a metal valve rod 3.
As shown in fig. 5, 6 and 7, the nut 7 is tightly attached to the anti-loose washer.
As shown in fig. 5, 6 and 7, the nut 7 is partially located inside the valve body 1 and partially located outside the valve body 1.
The aforesaid only is the preferred embodiment of the utility model discloses a not consequently restrict promptly the utility model discloses a patent protection scope, all applications the utility model discloses the equivalent transform that the specification was done, direct or indirect application is in other relevant technical field, all including on the same reason the utility model discloses a protection scope.
Claims (8)
1. The utility model provides a valve packing locking structure, includes valve body, valve rod and nut, the valve rod is installed in the valve body, the nut is fixed on the valve rod, the nut is used for locking the valve rod on the valve body, its characterized in that still includes the check washer, the check washer is the ring form, and the both sides of check washer all are provided with the latch, the check washer has the multi-disc, the check washer cover is established on the valve rod, and the latch close-fitting through self is in the same place between two adjacent check washers, the check washer gasket is located between nut and the valve body.
2. The valve packing locking arrangement of claim 1, wherein said check washer has two pieces.
3. The valve packing locking arrangement of claim 1, further comprising packing that fits over the valve stem and that is located within the valve body.
4. The valve packing locking structure of claim 1, further comprising a compression ring, wherein the compression ring is sleeved on the valve rod, and the compression ring is located in the valve body.
5. The valve packing locking arrangement of claim 1, further comprising a butterfly gasket, wherein the butterfly gasket is disposed over the valve stem and the butterfly gasket is disposed within the valve body.
6. The valve packing locking arrangement of claim 1, wherein said valve body is a metal valve body and said valve stem is a metal valve stem.
7. The valve packing lock arrangement of claim 1, wherein said nut abuts said check washer.
8. The valve packing locking arrangement of claim 1, wherein the nut is located partially within the valve body and partially outside the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023082779.6U CN214197527U (en) | 2020-12-18 | 2020-12-18 | Valve packing locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023082779.6U CN214197527U (en) | 2020-12-18 | 2020-12-18 | Valve packing locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214197527U true CN214197527U (en) | 2021-09-14 |
Family
ID=77654238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023082779.6U Active CN214197527U (en) | 2020-12-18 | 2020-12-18 | Valve packing locking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214197527U (en) |
-
2020
- 2020-12-18 CN CN202023082779.6U patent/CN214197527U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |