CN220185421U - Mechanical packing gland - Google Patents
Mechanical packing gland Download PDFInfo
- Publication number
- CN220185421U CN220185421U CN202321457920.7U CN202321457920U CN220185421U CN 220185421 U CN220185421 U CN 220185421U CN 202321457920 U CN202321457920 U CN 202321457920U CN 220185421 U CN220185421 U CN 220185421U
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- CN
- China
- Prior art keywords
- packing
- gland
- sealing ring
- ring
- packing gland
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 210000004907 gland Anatomy 0.000 title claims abstract description 71
- 238000012856 packing Methods 0.000 title claims abstract description 67
- 238000007789 sealing Methods 0.000 claims abstract description 70
- 230000006835 compression Effects 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims abstract description 12
- 230000000087 stabilizing effect Effects 0.000 claims description 12
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Sealing Devices (AREA)
Abstract
The utility model discloses a mechanical packing gland, which comprises a packing gland main body, wherein a packing compression ring is assembled at the center of the top end of the packing gland main body, and a gland middle hole is formed in the top end of the packing gland main body, which is close to the packing compression ring; the bottom end of the packing gland main body is provided with a thick expansion sheet, and the outer side of the packing compression ring is provided with a sealing gasket; the sealing gasket comprises a sealing ring a and a sealing ring b, wherein the sealing ring a and the sealing ring b are oppositely arranged and are sleeved outside the packing compression ring; the two ends of the sealing ring b are provided with slots, and the two ends of the sealing ring a are provided with inserting blocks which are inserted into the slots; this mechanical packing gland, can be convenient with first sealing gasket and second sealing gasket setting on the gland main part, and when needs are changing sealing gasket, need not pull down whole gland main part from centrifugal pump to the user has made things convenient for the sealing gasket of installation, change on the gland.
Description
Technical Field
The utility model relates to the field of packing gland, in particular to a mechanical packing gland.
Background
The packing seal is firstly to stop liquid flow leakage by plugging fibers such as cotton and hemp in a leakage channel, and is mainly used as a shaft seal of a water lifting machine;
there are various packing glands for centrifugal pumps on the market at present, and there are also some disadvantages, for example, the packing gland generally cannot conveniently arrange a sealing gasket at the packing ring, so that the prior art needs to be improved.
Disclosure of Invention
In view of the shortcomings of the prior art, the utility model aims to provide a mechanical packing gland.
The technical scheme adopted for solving the technical problems is as follows: the mechanical packing gland comprises a packing gland main body, wherein a packing compression ring is assembled at the center of the top end of the packing gland main body, and a gland middle hole is formed in the position, close to the packing compression ring, of the top end of the packing gland main body;
the bottom end of the packing gland main body is provided with a thick expansion sheet, and the outer side of the packing compression ring is provided with a sealing gasket;
the sealing gasket comprises a sealing ring a and a sealing ring b, wherein the sealing ring a and the sealing ring b are oppositely arranged and sleeved outside the packing compression ring;
the two ends of the sealing ring b are provided with slots, the two ends of the sealing ring a are provided with inserting blocks, and the inserting blocks are inserted into the slots;
the end part of the insertion block is provided with a stable cavity, the bottom end of the inside of the slot is provided with a stable block, and the stable block is in interference fit with the stable cavity;
countersunk screw holes are formed in the bottom ends of the thick plates, screw grooves corresponding to the countersunk screw holes in position are formed in the bottom ends of the packing gland main bodies, and bolt main bodies are screwed into the countersunk screw holes and the screw grooves.
Further, gland mounting holes are formed in two sides of the top end of the packing gland main body, a second through hole is formed in the middle of the bottom end of the thick expansion sheet, and first through holes are formed in two sides of the bottom end of the thick expansion sheet.
Further, the positions of the two first through holes correspond to the positions of the two gland mounting holes respectively, and the positions of the second through holes correspond to the positions of the holes in the gland.
Further, the lower extreme of bolt main part has seted up the circle recess, the bolt pole is installed to the lower extreme middle section of circle recess, the solid fixed ring is installed to the outside upper end of bolt pole, annular preforming, spring and annular sheet rubber are equipped with to the circumference surface cover of bolt pole.
Further, the extrusion piece is installed to the lower extreme edge of annular preforming, the fixed block is installed to the upper end middle section of bolt main part, the cross groove has been seted up to the lateral wall of fixed block, and the inner wall of cross groove is provided with anti-skidding line.
Further, the outside of inserted block has cup jointed sealed pad, seal groove has been seted up to the outside that sealing ring b's lateral wall is located the slot, sealed pad installs in the seal groove.
Furthermore, the bottom of sealing ring a and sealing ring b all install the locating piece, the constant head tank has been seted up at the top of gland main part, and the locating piece is installed in the constant head tank.
The beneficial effects of the utility model are as follows:
the mechanical packing gland is simple in structure and convenient to operate, and the sealing gasket assembly is arranged, and the matching assembly is arranged on the sealing gasket, so that the first sealing gasket and the second sealing gasket can be conveniently arranged on the gland main body, and when the sealing gasket needs to be replaced, the whole gland main body does not need to be detached from the centrifugal pump, and a user can conveniently install and replace the sealing gasket on the gland.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a cross-sectional view of the present utility model.
Fig. 3 is a top view of the gasket seal of the present utility model.
Fig. 4 is a schematic view of the structure of the part a of the present utility model.
Fig. 5 is a schematic view of a bolt body of the present utility model.
Reference numerals illustrate: the packing gland comprises a packing gland main body 1, a packing compression ring 2, a sealing gasket 3, a sealing ring 31 a, a sealing ring 32 b, a thick expansion piece 4, a gland mounting hole 5, a positioning block 6, a slot 7, a sealing groove 8, a plug 9, a sealing pad 10, a stabilizing cavity 11, a stabilizing block 12, a gland middle hole 13, a second through hole 14, a first through hole 15, a bolt main body 16, a countersunk head screw hole 17 and a screw groove 18.
Detailed Description
The utility model will be further illustrated with reference to specific examples, which are to be understood as illustrative only and are not intended to limit the scope of the utility model. Further, it is understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the present utility model, and such equivalents are intended to fall within the scope of the claims appended hereto.
Referring to fig. 1, 2, 3, 4 and 5, the mechanical packing gland comprises a packing gland main body 1, a packing gland 2 is assembled at the center of the top end of the packing gland main body 1, and a gland middle hole 13 is formed in the top end of the packing gland main body 1 at a position close to the packing gland 2;
the bottom end of the packing gland main body 1 is provided with a thick expansion sheet 4, the outer side of the packing press ring 2 is provided with a sealing gasket 3, and the thickness of the bottom end of the packing gland main body 1 is increased by installing the thick expansion sheets 4 with different thicknesses;
the sealing gasket 3 comprises a sealing ring a 31 and a sealing ring b32, wherein the sealing ring a 31 and the sealing ring b32 are oppositely arranged and are sleeved outside the packing compression ring 2;
the two ends of the sealing ring b32 are provided with slots 7, the two ends of the sealing ring a 31 are provided with inserting blocks 9, and the inserting blocks 9 are inserted into the slots 7, so that the sealing ring a 31 and the sealing ring b32 are connected;
the end part of the insertion block 9 is provided with a stabilizing cavity 11, the bottom end inside the slot 7 is provided with a stabilizing block 12, the stabilizing block 12 is in interference fit with the stabilizing cavity 11, and when the insertion block 9 is inserted into the slot 7, the stabilizing block 12 is inserted into the stabilizing cavity 11 at the moment, and the connection strength between the sealing ring a 31 and the sealing ring b32 is improved through double fit;
countersunk screw holes 17 are formed in the bottom ends of the thick plates 4, screw grooves 18 corresponding to the countersunk head screw holes 17 are formed in the bottom ends of the packing gland main bodies 1, and bolt main bodies 16 are screwed into the countersunk screw holes 17 and the screw grooves 18, so that the thick plates 4 are mounted on the bottom ends of the packing gland main bodies 1.
Gland mounting holes 5 are formed in two sides of the top end of the packing gland main body 1, a second through hole 14 is formed in the middle of the bottom end of the thick expansion sheet 4, and a first through hole 15 is formed in two sides of the bottom end of the thick expansion sheet 4.
The positions of the two first through holes 15 respectively correspond to the positions of the two gland mounting holes 5, and the positions of the second through holes 14 respectively correspond to the positions of the holes 13 in the gland.
A circular groove 163 is formed in the lower end of the bolt main body 16, a bolt rod 161 is mounted in the middle section of the lower end of the circular groove 163, a fixing ring 166 is mounted at the upper end of the outer part of the bolt rod 161, and an annular pressing sheet 164, a spring 167 and an annular rubber sheet 162 are sleeved on the circumferential surface of the bolt rod 161;
the annular pressing piece 164 is located on the upper side of the fixing ring 166, the spring 167 is located on the upper side of the annular pressing piece 164, and the annular rubber piece 162 is located on the lower side of the fixing ring 166.
The extrusion piece 165 is installed at the lower extreme edge of annular preforming 164, and fixed block 168 is installed to the upper end middle section of bolt main part 16, and cross groove 169 has been seted up to the lateral wall of fixed block 168, and the inner wall of cross groove 169 is provided with anti-skidding line.
The outside of the plug 9 is sleeved with a sealing gasket 10, the side wall of the sealing ring b32 is positioned outside the slot 7 and provided with a sealing groove 8, the sealing gasket 10 is arranged in the sealing groove 8, and after the plug 9 is inserted into the slot 7, the sealing gasket 10 at the moment is arranged in the sealing groove 8 to seal the slot 7.
The bottoms of the sealing ring a 31 and the sealing ring b32 are provided with positioning blocks 6, the top of the packing gland main body 1 is provided with positioning grooves, and the positioning blocks 6 are arranged in the positioning grooves.
Working process and principle: when the packing gland body 1 is mounted on a centrifugal pump in use, the combined sealing gasket 12 is firstly used for packing the packing ring 2, so that the sealing ring a 31 and the sealing ring b32 are firmly connected with the packing gland body 1, and are arranged on the gland body 5.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. A mechanical gland comprising a gland body (1), characterized in that: a packing press ring (2) is assembled at the center of the top end of the packing press cover main body (1), and a press cover middle hole (13) is formed in the top end of the packing press cover main body (1) close to the packing press ring (2);
the bottom end of the packing gland main body (1) is provided with a thick expansion sheet (4), and the outer side of the packing compression ring (2) is provided with a sealing gasket (3);
the sealing gasket (3) comprises a sealing ring a (31) and a sealing ring b (32), wherein the sealing ring a (31) and the sealing ring b (32) are oppositely arranged and sleeved outside the packing compression ring (2);
the two ends of the sealing ring b (32) are provided with slots (7), the two ends of the sealing ring a (31) are provided with inserting blocks (9), and the inserting blocks (9) are inserted into the slots (7);
the end part of the insertion block (9) is provided with a stabilizing cavity (11), the inner bottom end of the slot (7) is provided with a stabilizing block (12), and the stabilizing block (12) is in interference fit with the stabilizing cavity (11);
countersunk screw holes (17) are formed in the bottom ends of the thick expansion plates (4), screw grooves (18) corresponding to the countersunk screw holes (17) are formed in the bottom ends of the packing gland main bodies (1), and bolt main bodies (16) are screwed in the countersunk screw holes (17) and the screw grooves (18).
2. A mechanical packing gland according to claim 1, wherein: gland mounting holes (5) are formed in two sides of the top end of the packing gland main body (1), second through holes (14) are formed in the middle of the bottom end of the thick expansion sheet (4), and first through holes (15) are formed in two sides of the bottom end of the thick expansion sheet (4).
3. A mechanical packing gland according to claim 2, wherein: the positions of the two first through holes (15) respectively correspond to the positions of the two gland mounting holes (5), and the positions of the second through holes (14) correspond to the positions of the gland middle holes (13).
4. A mechanical packing gland according to claim 1, wherein: the lower extreme of bolt main part (16) has seted up circular recess (163), bolt pole (161) are installed to the lower extreme middle section of circular recess (163), solid fixed ring (166) are installed to the outside upper end of bolt pole (161), annular preforming (164), spring (167) and annular rubber piece (162) are equipped with to the circumference surface cover of bolt pole (161).
5. A mechanical packing gland according to claim 4, wherein: the lower extreme edge of annular preforming (164) installs extrusion piece (165), fixed block (168) are installed in the upper end middle section of bolt main part (16), cross groove (169) have been seted up to the lateral wall of fixed block (168), and the inner wall of cross groove (169) is provided with anti-skidding line.
6. A mechanical packing gland according to claim 1, wherein: the outside of inserted block (9) has cup jointed sealed pad (10), sealed groove (8) have been seted up to the outside that the lateral wall of sealing ring b (32) is located slot (7), sealed pad (10) are installed in sealed groove (8).
7. A mechanical packing gland according to claim 1, wherein: the bottom of sealing ring a (31) and sealing ring b (32) all install locating piece (6), the constant head tank has been seted up at the top of gland main part (1), and locating piece (6) are installed in the constant head tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321457920.7U CN220185421U (en) | 2023-06-09 | 2023-06-09 | Mechanical packing gland |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321457920.7U CN220185421U (en) | 2023-06-09 | 2023-06-09 | Mechanical packing gland |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220185421U true CN220185421U (en) | 2023-12-15 |
Family
ID=89110847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321457920.7U Active CN220185421U (en) | 2023-06-09 | 2023-06-09 | Mechanical packing gland |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220185421U (en) |
-
2023
- 2023-06-09 CN CN202321457920.7U patent/CN220185421U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |