CN210034407U - Packing sealing device - Google Patents
Packing sealing device Download PDFInfo
- Publication number
- CN210034407U CN210034407U CN201920574891.XU CN201920574891U CN210034407U CN 210034407 U CN210034407 U CN 210034407U CN 201920574891 U CN201920574891 U CN 201920574891U CN 210034407 U CN210034407 U CN 210034407U
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- Prior art keywords
- packing
- sleeve
- box
- pressing sleeve
- packing box
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Abstract
The utility model discloses a packing sealing device, the device comprises a device main body, the upper end movable mounting of device main part has the gland, and the lower extreme surface intermediate position fixed mounting of gland has the pressure cover, the packing box has been seted up to the inside of device main part, and the inside of packing box runs through there is the polished rod, the surface of polished rod is located the inside movable mounting of packing box and has the packing, the inside lower extreme fixed mounting of packing box has the end cover, movable mounting has the sealing washer between pressure cover and the packing box, and presses the lower extreme movable mounting of cover to have the sleeve pipe, the sleeve pipe runs through in the inside of pressing the cover. The utility model discloses, can make the packing pressurized even, reduce the friction between packing and the polished rod, the packing internal surface is equipped with the ripple, and packing and polished rod friction in-process are because the internal surface outside of packing highly is higher than the inboard height of the internal surface of packing, and the ripple can not thoroughly be flattened, improves the sealing performance and the life of packing.
Description
Technical Field
The utility model relates to a packing technical field specifically is a packing sealing device.
Background
The packing is a sealing packing woven by soft threadlike objects, is mainly used as a shaft seal of a water lifting machine, most of domestic oil fields adopt a sucker rod pump oil pumping unit to extract crude oil at present, mechanical dynamic sealing is needed at a wellhead of a pumping well, namely a packing box is used for realizing the sealing of a polished rod, but the packing is not tightly extruded when the existing packing and sealing device are installed, the packing is damaged due to long-time friction, gaps are easily generated between the packing and the polished rod, and the sealing performance of the polished rod is reduced.
To this end, a packing seal is proposed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a packing sealing device can make the packing pressurized even, reduces the friction between packing and the polished rod, and the packing internal surface is equipped with the ripple, and the packing rubs the in-process with the polished rod because the internal surface outside of packing highly is higher than the inboard height of the internal surface of packing, and the ripple can not thoroughly be flattened, improves the sealing performance and the life of packing.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a packing sealing device, includes the device main part, the upper end movable mounting of device main part has the gland, and the lower extreme surface intermediate position fixed mounting of gland has the pressure cover, the packing box has been seted up to the inside of device main part, and the inside of packing box runs through there is the polished rod, the surface of polished rod is located the inside movable mounting of packing box and has the packing, the inside lower extreme fixed mounting of packing box has the end cover, movable mounting has the sealing washer between pressure cover and the packing box, and presses the lower extreme movable mounting of cover to have the sleeve pipe.
Because the pressing sleeve can not completely enter the packing box, the packing can be pressed down through the pressing sleeve after the packing in the packing box is completely installed, the packing is easy to be fastened and loosened, the sealing performance of the packing is affected, the sleeve is rotated through the screw thread, so that the sleeve extends out of the pressing sleeve, the packing is pressed down by the sleeve when a section of packing is added, the packing is uniformly pressed, the sealing performance of the packing is improved, the lubricant is added through the lubricant adding port, the lubricant flows into the packing box through the diversion trench to lubricate the packing, the friction between the packing and the polish rod is reduced, the service life of the packing is prolonged, the packing is cracked due to factors such as high-temperature creep and the like, because the ripple both sides respectively with groove connection, the internal surface outside height of packing is higher than the inboard height of the internal surface of packing, the ripple can not thoroughly be flattened, improves the sealing performance and the life of packing.
Preferably, the sleeve penetrates through the inside of the pressing sleeve, and the outer surface of the sleeve is provided with threads.
Because press the cover can't get into the packing box completely inside, need can just can push down the packing through pressing the cover after accomplishing the whole installations of packing in the packing box, lead to the packing to go up loose down easily like this, influence the leakproofness of packing, through the screw thread rotating sleeve pipe for the sleeve pipe stretches out and presses the cover, utilizes the sleeve pipe to push down the packing when every section packing that adds, makes the packing pressurized even, improves the leakproofness of packing.
Preferably, a lubricant adding port is formed in one side of the outer surface of the upper end of the pressing sleeve, and a diversion trench is formed in the pressing sleeve and the sleeve corresponding to the lubricant adding port.
Add emollient through emollient and mouthful add emollient, emollient flows into to the packing box through the guiding gutter and lubricates the packing, reduces the friction between packing and the polished rod, improves the life of packing.
Preferably, the middle position of the inner surface of the packing is provided with a groove, and the inside of the groove is provided with ripples.
The packing is easy to crack due to factors such as high-temperature creep, and the two sides of the corrugation are respectively connected with the grooves, so that the sealing performance of the packing is improved, and the service life of the packing is prolonged.
Preferably, the height of the outer side of the inner surface of the packing set is higher than the height of the inner side of the inner surface of the packing set.
The packing cracks due to factors such as high-temperature creep, and because the two sides of the corrugation are respectively connected with the grooves, the outer side of the inner surface of the packing is higher than the inner side of the inner surface of the packing, the corrugation cannot be thoroughly flattened, and the sealing performance and the service life of the packing are improved.
Preferably, the joint notch of the packing set is 45 degrees.
The joint of the packing is cut into 45 degrees, so that the connection between the packing is convenient.
Preferably, the pressing sleeve penetrates through the interior of the stuffing box, and the pressing sleeve is movably connected with the packing.
And pressurizing the packing inside the stuffing box by using the pressing sleeve.
Compared with the prior art, the beneficial effects of the utility model are that:
because the pressing sleeve can not completely enter the packing box, the packing can be pressed down through the pressing sleeve after the packing in the packing box is completely installed, the packing is easy to be fastened and loosened, the sealing performance of the packing is affected, the sleeve is rotated through the screw thread, so that the sleeve extends out of the pressing sleeve, the packing is pressed down by the sleeve when a section of packing is added, the packing is uniformly pressed, the sealing performance of the packing is improved, the lubricant is added through the lubricant adding port, the lubricant flows into the packing box through the diversion trench to lubricate the packing, the friction between the packing and the polish rod is reduced, the service life of the packing is prolonged, the packing is cracked due to factors such as high-temperature creep and the like, because the ripple both sides respectively with groove connection, the internal surface outside height of packing is higher than the inboard height of the internal surface of packing, the ripple can not thoroughly be flattened, improves the sealing performance and the life of packing.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a view showing the press sleeve and the sleeve according to the present invention;
FIG. 3 is a view of the combination of the pressing sleeve and the lubricant adding port of the present invention;
fig. 4 is a sectional view of the packing of the present invention.
In the figure: 1. a device main body; 2. a gland; 3. pressing the sleeve; 4. a stuffing box; 5. a polish rod; 6. packing; 7. a bottom cover; 8. a seal ring; 31. a sleeve; 32. a thread; 33. a lubricant addition port; 34. a diversion trench; 61. a groove; 62. and (4) corrugation.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a packing sealing device comprises a device body 1, wherein a gland 2 is movably mounted at the upper end of the device body 1, a pressing sleeve 3 is fixedly mounted at the middle position of the outer surface of the lower end of the gland 2, a packing box 4 is arranged inside the device body 1, a polish rod 5 penetrates through the packing box 4, a packing 6 is movably mounted on the outer surface of the polish rod 5, which is positioned inside the packing box 4, a bottom sleeve 7 is fixedly mounted at the lower end inside the packing box 4, and a sealing ring 8 is movably mounted between the pressing sleeve 3 and the packing box 4;
as shown in fig. 2-3, a sleeve 31 is movably mounted at the lower end of the pressing sleeve 3, the sleeve 31 penetrates through the pressing sleeve 3, a thread 32 is disposed on the outer surface of the sleeve 31, a lubricant adding port 33 is disposed on one side of the outer surface of the upper end of the pressing sleeve 3, and a diversion groove 34 is disposed in the pressing sleeve 3 and the sleeve 31 at a position corresponding to the lubricant adding port 33;
as shown in fig. 4, a groove 61 is formed in the middle position of the inner surface of the packing 6, and a corrugation 62 is formed inside the groove 61, and the height of the outer side of the inner surface of the packing 6 is higher than the height of the inner side of the inner surface of the packing 6.
By adopting the technical scheme, because the pressing sleeve 3 can not completely enter the packing box 4, the packing 6 in the packing box 4 can be pressed down through the pressing sleeve 3 only after the packing 6 is completely installed, so that the packing 6 is easily tightened and loosened, the sealing performance of the packing 6 is influenced, the sleeve 31 is rotated through the threads 32 to extend out of the pressing sleeve 3, the packing 6 is pressed down by utilizing the sleeve 31 when a section of the packing 6 is added, the packing 6 is uniformly pressed, the sealing performance of the packing 6 is improved, the lubricant is added through the lubricant adding port 33, the lubricant flows into the packing box 4 through the diversion groove 34 to lubricate the packing 6, the friction between the packing 6 and the polished rod 5 is reduced, the service life of the packing 6 is prolonged, the packing 6 is cracked due to factors such as high-temperature creep deformation, because the two sides of the corrugations 62 are respectively connected with the grooves 61, the outer side of the inner surface of the packing 6 is higher than the inner side of the inner surface of the packing 6, the corrugation 62 cannot be completely flattened, so that the sealing performance and the service life of the packing 6 are improved.
Specifically, as shown in fig. 2, the sleeve 31 penetrates through the pressing sleeve 3, and the outer surface of the sleeve 31 is provided with a thread 32.
Through adopting above-mentioned technical scheme, because press cover 3 can't get into inside the packing box 4 completely, need can only push down packing 6 through pressing cover 3 after accomplishing with the whole installations of packing 6 in the packing box 4, lead to packing 6 to come loose under the fastening like this easily, influence the leakproofness of packing 6, rotate sleeve pipe 31 through screw thread 32, make sleeve pipe 31 stretch out and press cover 3, utilize sleeve pipe 31 to push down packing 6 during every section packing 6 that adds, make packing 6 the pressurized even, improve the leakproofness of packing 6.
Specifically, as shown in fig. 3, a lubricant adding port 33 is formed on one side of the outer surface of the upper end of the pressing sleeve 3, and a diversion trench 34 is formed in the pressing sleeve 3 and the sleeve 31 at a position corresponding to the lubricant adding port 33.
Through adopting above-mentioned technical scheme, add the emollient through emollient and add mouthful 33, emollient flows into to the packing box 4 through guiding gutter 34 and lubricates packing 6, reduces the friction between packing 6 and the polished rod 5, improves packing 6's life.
Specifically, as shown in fig. 4, a groove 61 is formed in the middle position of the inner surface of the packing 6, and a ripple 62 is arranged inside the groove 61.
Through adopting above-mentioned technical scheme, packing 6 utilizes 62 both sides of ripple to be connected with recess 61 respectively because factor such as high temperature creep cracks easily, improves packing 6's sealing performance and life.
Specifically, as shown in fig. 4, the height of the inner surface of the packing 6 on the outer side is higher than the height of the inner surface of the packing 6 on the inner side.
Through adopting above-mentioned technical scheme, packing 6 cracks because of factors such as high temperature creep, because ripple 62 both sides are connected with recess 61 respectively, the internal surface outside height of packing 6 is higher than the inboard height of the internal surface of packing 6, and ripple 62 can not thoroughly be flattened, improves packing 6's sealing performance and life.
Specifically, as shown in fig. 1, the joint notch of the packing 6 is 45 °.
Through adopting above-mentioned technical scheme, cut into 45 with the joint of packing 6, be convenient for the connection between the packing 6.
Specifically, as shown in fig. 1, the pressing sleeve 3 penetrates through the stuffing box 4, and the pressing sleeve 3 is movably connected with the packing 6.
Through adopting above-mentioned technical scheme, utilize and press cover 3 to pressurize to packing 6 inside the stuffing box 4.
The working principle is as follows: this packing and sealing device, because the pressure cover 3 can't get into inside the packing box 4 completely, need can only push down packing 6 through the pressure cover 3 after accomplishing the whole installations of packing 6 in the packing box 4, lead to packing 6 to come loose under the fastening like this easily, influence the leakproofness of packing 6, rotate sleeve pipe 31 through screw thread 32, make sleeve pipe 31 stretch out and press cover 3, utilize sleeve pipe 31 to push down packing 6 when adding a section of packing 6, make packing 6 evenly compressed, improve the leakproofness of packing 6, add mouthful 33 through the emollient and add the emollient, the emollient flows into to packing box 4 through guiding gutter 34 and lubricates packing 6, reduce the friction between packing 6 and polished rod 5, improve the life of packing 6, packing 6 cracks because factors such as high temperature creep, because ripple 62 both sides are connected with recess 61 respectively, the internal surface outside height of packing 6 is higher than the inboard height of the internal surface of packing 6, the corrugation 62 cannot be completely flattened, so that the sealing performance and the service life of the packing 6 are improved.
The using method comprises the following steps: when the packing box is used, firstly, the packing 6 penetrates through the polished rod 5 and is placed in the packing box 4 in the device main body 1, the bottom sleeve 7 in the packing box 4 supports the packing 6, then the pressing cover 2 penetrates through the polished rod 5, the pressing sleeve 3 on the pressing cover 2 is inserted into the packing box 4, the pressing sleeve 3 is sealed by the sealing ring 8, the packing 6 in the packing box 4 can be pressed down by the pressing sleeve 3 only after the packing 6 is completely installed because the pressing sleeve 3 cannot completely enter the packing box 4, so that the packing 6 in the packing box 4 is easy to be tightened and loosened, the sealing performance of the packing 6 is influenced, the sleeve 31 is rotated by the threads 32 to extend out of the pressing sleeve 3, the packing 6 is pressed down by the sleeve 31 when a section of the packing 6 is added, the packing 6 is uniformly pressed, the sealing performance of the packing 6 is improved, then the lubricating agent is added through the lubricating agent adding port 33, and the lubricating agent flows into the packing box 4 through the diversion trench 34 to lubricate the packing 6, reduce the friction between packing 6 and the polished rod 5, improve the life of packing 6, packing 6 is at the in-process that rubs with polished rod 5, because factors such as high temperature creep crack, because ripple 62 both sides are connected with recess 61 respectively, the internal surface outside height of packing 6 is higher than the inboard height of the internal surface of packing 6, and ripple 62 can not thoroughly be flattened, improves the sealing performance and the life of packing 6.
The installation method comprises the following steps:
firstly, a polish rod 5 is inserted into a stuffing box 4 inside a device body 1;
secondly, the packing 6 is put into a stuffing box 4 in the device main body 1 after penetrating through the polish rod 5;
and thirdly, the gland 2 is then penetrated through the polished rod 5, and the pressing sleeve 3 on the gland 2 is inserted into the stuffing box 4, so that the installation is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A packing seal device comprising a device body (1), characterized in that: the device is characterized in that a gland (2) is movably mounted at the upper end of the device main body (1), a pressing sleeve (3) is fixedly mounted at the middle position of the outer surface of the lower end of the gland (2), a packing box (4) is arranged inside the device main body (1), a polish rod (5) penetrates through the packing box (4), a packing (6) is movably mounted inside the packing box (4) on the outer surface of the polish rod (5), a bottom sleeve (7) is fixedly mounted at the lower end inside the packing box (4), a sealing ring (8) is movably mounted between the pressing sleeve (3) and the packing box (4), and a sleeve (31) is movably mounted at the lower end of the pressing sleeve (3).
2. The packing seal of claim 1, wherein: the sleeve (31) penetrates through the pressing sleeve (3), and the outer surface of the sleeve (31) is provided with threads (32).
3. The packing seal of claim 1, wherein: and a lubricant adding port (33) is formed in one side of the outer surface of the upper end of the pressing sleeve (3), and a diversion trench (34) is formed in the positions, corresponding to the lubricant adding port (33), in the pressing sleeve (3) and the sleeve (31).
4. The packing seal of claim 1, wherein: a groove (61) is formed in the middle of the inner surface of the packing (6), and ripples (62) are arranged inside the groove (61).
5. The packing seal of claim 1, wherein: the outer height of the inner surface of the packing (6) is higher than the inner height of the inner surface of the packing (6).
6. The packing seal of claim 1, wherein: the joint notch of the packing (6) is 45 degrees.
7. The packing seal of claim 1, wherein: the pressing sleeve (3) penetrates through the interior of the stuffing box (4), and the pressing sleeve (3) is movably connected with the packing (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920574891.XU CN210034407U (en) | 2019-04-25 | 2019-04-25 | Packing sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920574891.XU CN210034407U (en) | 2019-04-25 | 2019-04-25 | Packing sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210034407U true CN210034407U (en) | 2020-02-07 |
Family
ID=69361583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920574891.XU Expired - Fee Related CN210034407U (en) | 2019-04-25 | 2019-04-25 | Packing sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210034407U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113266701A (en) * | 2021-06-25 | 2021-08-17 | 江苏天通源环保装备有限公司 | Valve rod sealing device |
-
2019
- 2019-04-25 CN CN201920574891.XU patent/CN210034407U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113266701A (en) * | 2021-06-25 | 2021-08-17 | 江苏天通源环保装备有限公司 | Valve rod sealing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200207 |