CN211259639U - Telescopic packing gland - Google Patents
Telescopic packing gland Download PDFInfo
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- CN211259639U CN211259639U CN201921804781.4U CN201921804781U CN211259639U CN 211259639 U CN211259639 U CN 211259639U CN 201921804781 U CN201921804781 U CN 201921804781U CN 211259639 U CN211259639 U CN 211259639U
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- gland
- main part
- packing
- whole
- annular
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Abstract
The utility model discloses a telescopic packing gland, including gland main part and gland components of a whole that can function independently, set up a plurality of bolt through-holes that run through from top to bottom with it on the gland main part, the top of gland main part has the annular arch, threaded connection has a plurality of adjusting bolt in the gland main part, adjusting bolt's upper end is followed the support after the bellied top of annular is worn out the bottom of gland components of a whole that can function independently, the gland main part with all seted up on the gland components of a whole that can function independently with main shaft matched with shaft hole, the shaft hole is located in the protruding region of enclosing of annular, the bellied external diameter of annular and the external diameter of gland components of a whole that can function independently all is the same. The utility model has the advantages that: the gland main part can be installed with the laminating of packing case, can also reduce the gland volume when can ensure that the packing gland outside can not take place to leak to give away out sufficient space for changing packing work, improve very big convenience for changing packing work.
Description
Technical Field
The utility model relates to a packing gland's technical field particularly, relates to a telescopic packing gland.
Background
Packing is commonly used as a sealing device on water pumps, valves and other devices related to polish rod sealing, and packing usually needs a packing gland to be compressed, and a common packing gland is a whole body which is sleeved on a main shaft and is pressed on the packing by two compression bolts. The end face of the upper part of the packing gland is not attached to the packing box because the later compression amount of the packing needs to be reserved, so that the problem of leakage from the outer side of the packing gland is caused; meanwhile, the packing gland can only move a limited distance along the shaft, so that sufficient space is difficult to be set aside for packing replacement work, and great inconvenience is often brought to packing replacement work.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned technical problem in the correlation technique, the utility model provides a telescopic packing gland, its volume that has realized packing gland reduces, but the space of operation when having increased the packing and changing to the problem of medium leakage from the gland outside has been solved.
In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:
the utility model provides a telescopic packing gland, includes gland main part and gland components of a whole that can function independently, set up a plurality of bolt through-holes that run through from top to bottom with it on the gland main part, the top of gland main part has the annular arch, threaded connection has a plurality of adjusting bolt in the gland main part, adjusting bolt's upper end is followed the bellied top of annular is worn out the back support the bottom of gland components of a whole that can function independently, the gland main part with all set up on the gland components of a whole that can function independently with main shaft matched with shaft hole, the shaft hole is located in the protruding region of enclosing of annular, the bellied external diameter of annular and the external diameter of gland components of a whole that can function.
Furthermore, an annular groove is formed in the top of the gland main body, the annular protrusion is located in an area defined by the annular groove, and an auxiliary packing is arranged in the annular groove.
Furthermore, the upper end of the adjusting bolt is fixedly connected with a positioning pin which is coaxial with the adjusting bolt.
Furthermore, the bottom of the gland split body is provided with a blind hole in running fit with the positioning pin.
Further, the adjusting bolt is a hexagon socket head cap screw.
The utility model has the advantages that: the gland main part can be installed with the laminating of packing case, can also reduce the gland volume when can ensure that the packing gland outside can not take place to leak to give away out sufficient space for changing packing work, improve very big convenience for changing packing work.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front cross-sectional view of a retractable packing gland according to an embodiment of the present invention;
fig. 2 is a top view of a retractable packing gland according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of a telescopic packing gland according to an embodiment of the present invention in use.
In the figure:
1. a packing box; 2. a gland body; 3. a gland bolt; 4. a main shaft; 5. a main packing; 6. the gland is split; 7. auxiliary packing 8 and adjusting bolts; 9. an annular groove.
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 all belong to the protection scope of the present invention.
As shown in fig. 1-3, according to the embodiment of the utility model provides a telescopic packing gland, including gland main part 2 and gland components of a whole that can function independently 6, a plurality of bolt through-holes that run through it from top to bottom have been seted up on gland main part 2, it is protruding that gland main part 2's top has an annular, threaded connection has a plurality of adjusting bolt 8 on the gland main part 2, adjusting bolt 8's upper end is followed support after the bellied top of annular is worn out gland components of a whole that can function independently 6's bottom, gland main part 2 with all seted up on the gland components of a whole that can function independently 6 with main shaft 4 matched with shaft hole, the shaft hole is located in the protruding region of enclosing of annular, the bellied external diameter of annular and the external diameter of gland components of a whole that can function independently 6.
In the embodiment of the present invention, an annular groove 9 is formed at the top of the gland body 2, the annular protrusion is located in the area enclosed by the annular groove 9, and an auxiliary packing 7 is disposed in the annular groove 9.
In an embodiment of the present invention, the upper end of the adjusting bolt 8 is fixedly connected with a positioning pin coaxial with the adjusting bolt 8.
In an embodiment of the present invention, the bottom of the gland split 6 is provided with a blind hole matched with the positioning pin in a rotating manner.
In a specific embodiment of the present invention, the adjusting bolt 8 is a hexagon socket head cap screw.
For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention will be described in detail through specific use modes.
Telescopic packing gland (packing gland for short below) including gland main part 2, gland components of a whole that can function independently 6 and adjusting bolt 8, be provided with two bolt through-holes and six screw holes on the gland main part 2 respectively, adjusting bolt 8 and screw hole threaded connection, adjusting bolt 8's upper end is connected with the locating pin, gland components of a whole that can function independently 6 passes through the locating pin and connects on gland main part 2, rotate the distance between 8 adjustable gland components of a whole that can function independently 6 of adjusting bolt and the gland main part 2. The positioning pin on the adjusting bolt 8 can position the gland split body 6 to prevent the gland split body 6 from rotating.
The gland main body 2 can be directly attached to the packing box 1, the annular groove 9 opposite to each other is arranged on the attaching part of the packing box 1 and the gland main body 2, and the auxiliary packing 7 is arranged in the annular groove 9.
A main shaft (or a valve rod) 4 is arranged in the shaft hole of the packing box 1, and the gland main body 2 and the gland split body 6 are both arranged on the main shaft 4. The gland main body 2 is provided with bolt through holes, the packing box 1 is provided with threaded holes corresponding to the bolt through holes, so that the gland main body 2 and the packing box 1 can be tightly attached and installed through gland bolts 3, and a circle of auxiliary packing 7 is additionally arranged on the attaching surface of the gland main body 2 and the packing box 1; the gland components of a whole that can function independently 6 are installed on gland main part 2, and adjusting bolt 8 is used for supporting gland components of a whole that can function independently 6, and gland components of a whole that can function independently 6 are used for compressing tightly main packing 5 in order to play sealed effect, and accessible adjusting bolt 8 adjusts the degree of compressing tightly.
During the specific use, install main packing 5 in the shaft hole of packing case 1, then install round in ring channel 9 on packing case 1 and gland main part 2 and assist packing 7, then install gland main part 2 and gland components of a whole that can function independently 6 on main shaft 4 and fasten packing case 1 and gland main part 2 through gland bolt 3, gland components of a whole that can function independently 6 passes through the locating pin location of adjusting bolt 8 upper end at the upper portion of gland main part 2 this moment, use hexagonal spanner to rotate adjusting bolt 8, make adjusting bolt 8 push up gland components of a whole that can function independently 6, and then make gland components of a whole that can function independently 6 extrusion main packing 5, thereby reach sealed effect.
To sum up, with the help of the above technical scheme of the utility model, the gland main part can with the installation of packing case laminating, can also reduce the gland volume when can ensure that the packing gland outside can not take place to leak to give out sufficient space for changing packing work, improve very big convenience for changing packing work.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a telescopic packing gland, its characterized in that, includes gland main part (2) and gland components of a whole that can function independently (6), set up a plurality of bolt through-holes that run through from top to bottom with it on gland main part (2), the top of gland main part (2) has the annular arch, threaded connection has a plurality of adjusting bolt (8) on gland main part (2), the upper end of adjusting bolt (8) is followed the bellied top of annular is worn out the back and is supported the bottom of gland components of a whole that can function independently (6), gland main part (2) with all set up the shaft hole with main shaft (4) matched with on gland components of a whole that can function independently (6), the shaft hole is located in the region that the annular arch encloses, the bellied external diameter of annular and the external diameter of gland components of a whole that can function independently (6) all is the same with the.
2. The telescopic packing gland according to claim 1, characterized in that an annular groove (9) is opened at the top of the gland body (2), the annular protrusion is located in the area enclosed by the annular groove (9), and an auxiliary packing (7) is arranged in the annular groove (9).
3. The telescopic packing gland according to claim 1, characterized in that the upper end of the adjusting bolt (8) is fixedly connected with a positioning pin coaxial with the adjusting bolt (8).
4. The telescopic packing gland according to claim 3, characterized in that the bottom of the gland split body (6) is provided with a blind hole which is in running fit with the positioning pin.
5. Telescopic packing gland according to claim 1, characterised in that the adjusting bolt (8) is a hexagon socket head cap screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921804781.4U CN211259639U (en) | 2019-10-25 | 2019-10-25 | Telescopic packing gland |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921804781.4U CN211259639U (en) | 2019-10-25 | 2019-10-25 | Telescopic packing gland |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211259639U true CN211259639U (en) | 2020-08-14 |
Family
ID=71989733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921804781.4U Active CN211259639U (en) | 2019-10-25 | 2019-10-25 | Telescopic packing gland |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211259639U (en) |
-
2019
- 2019-10-25 CN CN201921804781.4U patent/CN211259639U/en active Active
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