CN113202924A - Packing gland and method of use thereof - Google Patents
Packing gland and method of use thereof Download PDFInfo
- Publication number
- CN113202924A CN113202924A CN202110505827.8A CN202110505827A CN113202924A CN 113202924 A CN113202924 A CN 113202924A CN 202110505827 A CN202110505827 A CN 202110505827A CN 113202924 A CN113202924 A CN 113202924A
- Authority
- CN
- China
- Prior art keywords
- cover body
- lid
- packing
- pin shaft
- semi
- 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.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/18—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
- F16J15/184—Tightening mechanisms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/18—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
- F16J15/188—Split assemblies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/18—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
- F16J15/189—Means for facilitating the removal of the packing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses a packing gland and a using method thereof, wherein the packing gland comprises a first cover body and a second cover body, wherein the middle parts of the first cover body and the second cover body are provided with semi-circular ring bodies, arc-shaped notches are arranged at two sides of the first cover body and the second cover body, the opening sides of the two semi-circular ring bodies in the first cover body and the second cover body are jointed to form a complete circular ring, and the arc-shaped notches at two sides in the first cover body and the second cover body are oppositely arranged to form a U-shaped bolt groove. The packing gland of the invention adopts a split structure, is simple to assemble, can separate the cover body when packing materials are replaced, increases the operation space, is convenient to disassemble and assemble packing, does not need to disassemble other parts when the gland is replaced, simplifies the maintenance process, and effectively reduces the maintenance cost and the operation risk.
Description
Technical Field
The invention belongs to the technical field of industrial equipment sealing, and particularly relates to a packing gland and a using method thereof.
Background
The packing is widely applied to the sealing of a moving part of industrial equipment as a packing, and although mechanical sealing replaces the packing sealing of part of fine equipment, the packing has the advantages of low cost, convenience in replacement, reliable sealing, simplicity in maintenance, low requirement on a medium and wide application range. Along with the continuous and deep cognition of people on the material properties, the research and development of packing fillers are increasingly emphasized, and packing with various technical performances is manufactured by improving the material quality, adding auxiliary materials and changing the weaving form.
The application of packing seal can not leave the gland, the good use performance is realized by adjusting bolts at two sides of the gland to extrude packing, as shown in figure 1, the integral gland is a universal form at the present stage, and the gland has two defects, one is that the operation of replacing the packing is hindered, when the packing is replaced, the remaining maintenance space is small after the adjusting bolts of the gland are loosened and withdrawn from the packing bin, and the operation of dismounting and mounting the packing is difficult; and secondly, the process of replacing the gland is complicated and time-consuming, and the gland is sleeved on a moving shaft of the industrial equipment, such as a blade shaft of a water pump, so that when the gland is replaced newly, the components on the outer side of the gland are detached and then can be installed.
Disclosure of Invention
In order to solve the above problems in the prior art, in an aspect of the present invention, a packing gland is provided, which is installed on a moving shaft of an industrial device and is used for compressing packing in a packing bin of the industrial device, and includes a first cover body and a second cover body, a semi-circular ring body is disposed in the middle of the first cover body and the second cover body, arc-shaped notches are disposed on two sides of the first cover body and the second cover body, open sides of the two semi-circular ring bodies in the first cover body and the second cover body are attached to each other to form a complete circular ring, and the two sides of the arc-shaped notches in the first cover body and the second cover body are disposed opposite to each other to form a U-shaped bolt slot, where:
the binding face of first lid with the second lid is equipped with a plurality of round pin shaft holes respectively, first lid with the second lid passes through round pin shaft hole and with the connecting pin axle that the round pin shaft hole matches connects, the position in round pin shaft hole on the first lid and quantity all with the position in round pin shaft hole and quantity one-to-one on the second lid, just each round pin shaft hole on the first lid and correspond with it the round pin shaft hole of second lid all has one connecting pin carries out the accordant connection.
Preferably, in the above packing gland, the depth of the pin hole on the first cover body is equal to the depth of the pin hole on the second cover body, and the depth of the pin hole on the first cover body and the depth of the pin hole on the second cover body are both half of the length of the connecting pin shaft.
Preferably, in above-mentioned gland, first lid with the second lid sets up the boss towards on the terminal surface of industrial equipment filler storehouse, the boss is followed respectively first lid with the semi-annular ring circumference of second lid arranges, first lid with the second lid open side laminating and then two boss open side laminating of two semi-annular rings form annular boss.
Preferably, in the packing gland, the pin shaft holes of the first cover body and the second cover body and the connecting pin shafts matched with the pin shaft holes are symmetrically distributed along the circle center of a complete circular ring formed by the semicircular ring bodies of the first cover body and the second cover body.
Preferably, in the packing gland described above, the first cover body and the second cover body are of a symmetrical structure with respect to an axis of motion of the industrial equipment.
Preferably, in the packing gland, the arc-shaped notches on two sides of the first cover body and the second cover body are oppositely arranged to form a U-shaped bolt groove, and a gasket is arranged between bolts connected with the U-shaped bolt groove.
Preferably, in the packing gland, the gasket between the U-bolt groove and the bolt connected to the U-bolt groove is a thickened gasket.
In order to solve the above problems in the prior art, in another aspect of the present invention, there is also provided a method of using the above packing gland, the method including:
s1: one of the first cover body or the second cover body is sleeved on the moving shaft of the industrial equipment through a semi-circular ring body, and a boss arranged in the circumferential direction of the semi-circular ring body faces the filling bin;
s2: installing a part of the connecting pin shaft in the pin shaft hole of the first cover body or the second cover body sleeved on the moving shaft of the industrial equipment;
s3: sleeving the other one of the first cover body or the second cover body on the industrial equipment moving shaft through a semi-circular ring body, wherein a boss arranged in the circumferential direction of the semi-circular ring body faces the industrial equipment filling bin, and one of the first cover body or the second cover body is connected with the other part of the connecting pin shaft and is attached to the other one of the first cover body or the second cover body semi-circular ring body;
s4: and connecting bolts of the U-shaped bolt grooves are screwed into the U-shaped bolt grooves formed on the two sides of the first cover body and the second cover body and are fixed with bolt holes on the two sides of the industrial equipment packing bin.
The packing gland of the invention adopts a split structure, is simple to assemble, can separate the cover body when packing materials are replaced, increases the operation space, is convenient to disassemble and assemble packing, does not need to disassemble other parts when the gland is replaced, simplifies the maintenance process, and effectively reduces the maintenance cost and the operation risk.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 the drawings without creative efforts.
FIG. 1 is a schematic diagram of a prior art packing gland;
FIG. 2 is a schematic structural view of the packing gland of the present invention;
figure 3 is an assembly view of the packing gland of the present invention.
Description of reference numerals: 1-a first cover body, 2-a second cover body, 3-a connecting pin shaft, 4-a pin shaft hole, 5-a boss and 6-a gasket.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 2 and 3, the packing gland of the present invention is mounted on a moving shaft of an industrial device, and is used for compressing packing in a packing bin of the industrial device, so as to ensure the sealing property between the packing and the shaft, the packing gland of the present invention comprises a first cover body 1, a second cover body 2, a connecting pin shaft 3, a pin shaft hole 4 and a boss 5, wherein a semi-circular ring body is arranged in the middle of the first cover body 1 and the second cover body 2, an arc opening is arranged on both sides of each semi-circular ring body, the two semi-circular ring body opening sides of the first cover body 1 and the second cover body 2 are attached to form a complete circular ring sleeved on the moving shaft of the industrial device, wherein a plurality of pin shaft holes 4 are arranged on the attaching surface of the first cover body 1 and the second cover body 2, the first cover body 1 and the second cover body 2 are connected through the pin shaft hole 4 and the connecting pin shaft 3 matched with the pin shaft hole 4, specifically, the pin shaft hole 4 of, the quantity in 1 round pin shaft hole 4 of first lid equals the quantity in 2 round pin shaft holes 4 of second lid, and every round pin shaft hole 4 and the round pin shaft hole 4 on the second lid 2 that corresponds with it all have a connecting pin axle 3 to carry out the accordant connection on the first lid 1, the degree of depth in 1 round pin shaft hole 4 of first lid equals the degree of depth in 2 round pin shaft holes 4 of second lid, and the degree of depth in 1 round pin shaft hole 4 of first lid and the degree of depth in 2 round pin shaft holes 4 of second lid are half of connecting pin axle 3 length, the arc opening of two semicircle ring body both sides forms the U-shaped bolt groove relatively, connecting bolt through U-shaped bolt groove and U-shaped bolt groove connects in the screw hole of filler storehouse both sides.
Preferably, in the packing gland disclosed by the invention, bosses 5 are arranged on the end surfaces, facing the packing bin, of the first cover body 1 and the second cover body 2 along the circumferential direction of the semicircular ring body, when the opening sides of the semicircular ring bodies of the first cover body 1 and the second cover body 2 are attached to form a complete circular ring, the bosses 5 on the first cover body 1 and the second cover body 2 are attached to form a complete annular boss, the annular boss further compresses the packing in the packing bin, and the pressing force on the packing in the packing bin is adjusted through the U-shaped bolt groove and the connecting bolt of the U-shaped bolt groove, so that the sealing effect is improved.
Preferably, in order to improve the overall performance of the first cover body 1 and the second cover body 2, a gasket 6 is arranged between the U-shaped bolt groove and the connecting bolt of the U-shaped connecting groove, and further, the gasket 6 is a thickened gasket.
Preferably, the first cap body 1 and the second cap body 2 in the packing gland of the present invention are symmetrically configured with respect to the movement axis of the industrial equipment.
Preferably, the connecting pin shafts 3 and the pin shaft holes 4 in the packing gland of the present invention are symmetrically distributed along the center of a complete circular ring formed by the semicircular ring bodies of the first cover body 1 and the second cover body 2.
The following describes a method of using the packing gland of the present invention to mount a blade shaft of a water pump as a specific example of a moving shaft of an industrial device. Specifically, the method for using the packing gland comprises the following steps:
s1: firstly, sleeving one of the first cover body 1 or the second cover body 2 on a blade shaft through a semicircular ring body, wherein a boss 5 arranged in the circumferential direction of the semicircular ring body faces to a filling bin;
s2: a part of the connecting pin shaft 3 is arranged in the pin shaft hole 4 of the first cover body 1 or the second cover body 2 sleeved on the blade shaft;
s3: sleeving the other one of the first cover body 1 or the second cover body 2 with a blade shaft through a semicircular ring body, wherein a boss 5 arranged circumferentially of the semicircular ring body faces the filling bin, and one of the first cover body 1 or the second cover body 2 is connected with the other part of the connecting pin shaft 3 and is attached to the semicircular ring body of the other one of the first cover body 1 or the second cover body 3;
s4: and connecting bolts of the U-shaped bolt grooves are screwed into the U-shaped bolt grooves formed on two sides of the first cover body 1 and the second cover body 2 and are fixed with bolt holes on two sides of the packing bin.
The packing gland of the invention adopts a split structure, is simple to assemble, can separate the cover body when packing materials are replaced, increases the operation space, is convenient to disassemble and assemble packing, does not need to disassemble other parts when the gland is replaced, simplifies the maintenance process, and effectively reduces the maintenance cost and the operation risk.
It is noted that, herein, relational terms such as "first," "second," and the like may be used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities. Also, the term "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Meanwhile, the term "connected" and the like as used herein should be broadly interpreted as referring to a fixed connection, a detachable connection, a direct connection, or an indirect connection through intermediate components. In addition, "front", "rear", "left", "right", "upper", "lower", "inner", "outer", and the like are referred to herein as being placed in the state shown in the drawings.
It should be further noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and are not limited thereto; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or alterations do not depart from the spirit of the invention.
Claims (8)
1. The utility model provides a packing gland, installs in industrial equipment motion axle for compress tightly packing in the industrial equipment filler storehouse, a serial communication port, packing gland includes first lid and second lid, first lid with second lid middle part sets up the semi-ring body, first lid with the both sides of second lid set up the arc opening, thereby the opening side laminating of first lid with in the second lid two semi-ring bodies forms complete ring cover and arranges industrial equipment motion axle in, thereby first lid with both sides in the second lid the arc opening sets up relatively and forms U-shaped bolt groove, wherein:
the binding face of first lid with the second lid is equipped with a plurality of round pin shaft holes respectively, first lid with the second lid passes through round pin shaft hole and with the connecting pin axle that the round pin shaft hole matches connects, the position in round pin shaft hole on the first lid and quantity all with the position in round pin shaft hole and quantity one-to-one on the second lid, just each round pin shaft hole on the first lid and correspond with it the round pin shaft hole of second lid all has one connecting pin carries out the accordant connection.
2. The packing gland of claim 1, wherein the depth of the pin hole in the first cover body is equal to the depth of the pin hole in the second cover body, and wherein the depth of the pin hole in the first cover body and the depth of the pin hole in the second cover body are both half the length of the connecting pin shaft.
3. The packing gland according to claim 1, wherein bosses are provided on end surfaces of the first cover body and the second cover body facing the industrial equipment packing bin, the bosses are respectively arranged along circumferential directions of upper semi-annular bodies of the first cover body and the second cover body, and the open sides of the two semi-annular bodies of the first cover body and the second cover body are attached to each other and then the open sides of the two bosses are attached to each other to form an annular boss.
4. The packing gland of claim 1, wherein the pin holes in the first and second cover bodies and the connecting pins that mate with the pin holes are symmetrically disposed about the center of a complete ring formed by the semi-circular rings of the first and second cover bodies.
5. The packing gland of claim 1, wherein said first cover and said second cover are symmetrical in configuration relative to an axis of motion of the industrial equipment.
6. The packing gland according to claim 1, wherein said arcuate cutouts in said first cover and said second cover are disposed opposite each other to define a U-bolt slot and a spacer is disposed between bolts connected to said U-bolt slot.
7. The packing gland according to claim 6, wherein the shim between the U-bolt slot and the bolt connected to the U-bolt slot is a thickened shim.
8. The method of using a packing gland according to any one of claims 1 to 7, wherein the method includes:
s1: one of the first cover body or the second cover body is sleeved on the moving shaft of the industrial equipment through a semi-circular ring body, and a boss arranged in the circumferential direction of the semi-circular ring body faces the filling bin;
s2: installing a part of the connecting pin shaft in the pin shaft hole of the first cover body or the second cover body sleeved on the moving shaft of the industrial equipment;
s3: sleeving the other one of the first cover body or the second cover body on the industrial equipment moving shaft through a semi-circular ring body, wherein a boss arranged in the circumferential direction of the semi-circular ring body faces the industrial equipment filling bin, and one of the first cover body or the second cover body is connected with the other part of the connecting pin shaft and is attached to the other one of the first cover body or the second cover body semi-circular ring body;
s4: and connecting bolts of the U-shaped bolt grooves are screwed into the U-shaped bolt grooves formed on the two sides of the first cover body and the second cover body and are fixed with bolt holes on the two sides of the industrial equipment packing bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110505827.8A CN113202924A (en) | 2021-05-10 | 2021-05-10 | Packing gland and method of use thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110505827.8A CN113202924A (en) | 2021-05-10 | 2021-05-10 | Packing gland and method of use thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113202924A true CN113202924A (en) | 2021-08-03 |
Family
ID=77030510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110505827.8A Pending CN113202924A (en) | 2021-05-10 | 2021-05-10 | Packing gland and method of use thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113202924A (en) |
-
2021
- 2021-05-10 CN CN202110505827.8A patent/CN113202924A/en active Pending
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