CN114688073A - Packaging type packing sealing structure - Google Patents
Packaging type packing sealing structure Download PDFInfo
- Publication number
- CN114688073A CN114688073A CN202011612164.1A CN202011612164A CN114688073A CN 114688073 A CN114688073 A CN 114688073A CN 202011612164 A CN202011612164 A CN 202011612164A CN 114688073 A CN114688073 A CN 114688073A
- Authority
- CN
- China
- Prior art keywords
- packing
- assembly
- ring
- integrated
- clamping device
- 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.)
- Granted
Links
- 238000012856 packing Methods 0.000 title claims abstract description 146
- 238000007789 sealing Methods 0.000 title claims abstract description 55
- 238000004806 packaging method and process Methods 0.000 title description 4
- 210000004907 gland Anatomy 0.000 claims abstract description 24
- 239000000945 filler Substances 0.000 claims abstract description 18
- 238000011010 flushing procedure Methods 0.000 claims description 16
- 238000010276 construction Methods 0.000 claims 2
- 238000009434 installation Methods 0.000 abstract description 12
- 238000004364 calculation method Methods 0.000 abstract description 2
- 238000011900 installation process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 238000005266 casting Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- 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
- F04D29/106—Shaft sealings especially adapted for liquid pumps
-
- 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
- F04D29/12—Shaft sealings using sealing-rings
- F04D29/126—Shaft sealings using sealing-rings especially adapted for liquid pumps
-
- 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/605—Mounting; Assembling; Disassembling specially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sealing Devices (AREA)
- Mechanical Sealing (AREA)
Abstract
The application relates to a cartridge packing structure, include: the packing box comprises a packing (1), a packing box (4), a clamping device assembly and a connecting piece assembly; the integrated packing sealing structure further comprises a packing ring (2) and/or a packing gland (5); the integrated packing sealing structure can be matched with a set cavity and/or a set shaft body; the outer side face or partial outer side face of the integrated packing sealing structure can be matched with a set cavity, and the inner side face or partial inner side face of the integrated packing sealing structure can be matched with a set shaft body. The application provides a collection dress formula packing structure labour saving and time saving has simplified the operation. The whole installation process can be realized only by screwing the firmware. The whole filler does not need to be cut into small roots by calculation and then the small roots are filled into the pump cavity one by one, the tightness degree of the filler does not need to be adjusted during installation, and the filling pump has the advantages of simplicity in operation, time saving, labor saving and the like.
Description
Technical Field
The application relates to the field of water pumps, in particular to a cartridge packing structure.
Background
Traditional packing is sealed for the cuboid of section square, need calculate the length of single packing according to the radial dimension in packing chamber before the installation, then cut out the packing that corresponds the length of needs quantity, fills in the packing intracavity with a packing at last, loads on gland at last, screws up the fastener. The installation of the process is complicated, the time consumption is long, a lot of inconvenience is brought, and an installer can finish the process only by corresponding technical skills.
Secondly, because the packing is sealed and needs to be washed, the corresponding washing hole still needs to be designed in the packing chamber, leads to the part casting complicacy, has increased the manufacturing procedure of part.
Therefore, a collection dress formula packing structure that holds up, be equipped with filler sparge water interface on the collection dress formula packing structure, and only need adorn it to the position that corresponds, screw up the fastener, mention spacing gasket can. The integrated packing sealing structure is convenient to install, consumes less time and has low requirement on the technical skill of an installer.
Disclosure of Invention
The application discloses collection dress formula packing structure includes: a packing, a stuffing box, and a connector assembly; the integrated packing sealing structure also comprises a packing ring and/or a packing gland;
the integrated packing sealing structure can be matched with a set cavity and/or a set shaft body; the outer side face or partial outer side face of the integrated packing sealing structure can be matched with a set cavity, and the inner side face or partial inner side face of the integrated packing sealing structure can be matched with a set shaft body; the stuffing box comprises a stuffing space; the filler space is internally provided with filler; a packing ring and/or a packing gland are/is also arranged in the packing space;
the stuffing box is provided with a flushing hole; the filler space is communicated with the external space through the flushing hole;
the packing ring and/or the packing gland are/is matched with a packing opening of the packing box; the packing gland is connected with the packing box through a connecting piece assembly.
In a preferred example, the cartridge packing structure comprises a packing ring and a packing gland; the cartridge packing seal structure further comprises a clamping device assembly;
the inner side surface or part of the inner side surface of the integrated packing sealing structure is provided with a shaft sleeve;
the shaft sleeve clamps the shaft body through the clamping device assembly and the connecting piece assembly.
In a preferred embodiment, the cavity cooperating with the outer side face or part of the outer side face of the integrated packing seal structure comprises a pump cavity;
the pump cavity is connected with the stuffing box through a connecting piece assembly.
In a preferred embodiment, the connector assembly includes a sealing connector;
the pump cavity is connected with the stuffing box through a connecting piece for sealing.
In a preferred embodiment, the device further comprises a sealing ring assembly;
a sealing ring component is arranged between the pump cavity and the stuffing box;
the seal ring assembly comprises a first seal ring;
a first sealing ring is arranged between the pump cavity and the stuffing box.
In a preferred embodiment, the connector assembly further comprises a third connector;
the clamping device assembly comprises a first clamping device and a second clamping device;
the shaft sleeve and the shaft body are fixed through the first clamping device, the second clamping device and the second connecting piece;
the connection assembly further comprises a third connector;
and the packing gland is fixedly connected with the packing box through a third connecting piece.
In a preferred embodiment, the sealing ring assembly further comprises a second sealing ring;
and a second sealing ring is arranged between the shaft sleeve and the shaft body.
In a preferred example, a shaft sleeve is arranged on the inner side face or part of the inner side face of the integrated packing sealing structure; the sleeve has a recess which cooperates with a stop washer so that the packing space is closed. .
In a preferred embodiment, the filler space is a recessed structure.
In a preferred embodiment, the cartridge packing seal structure is matched with the set cavity and the shaft body simultaneously.
Compared with the prior art, the cartridge packing structure provided by the application has the following technical effects:
1. the application provides a collection dress formula packing structure labour saving and time saving has simplified the operation. The whole installation process can be realized only by screwing the firmware. The whole filler is not required to be cut into small roots by calculation and then is filled into the pump cavity one by one, the tightness degree of the filler is not required to be adjusted during installation, the operation is simplified, and the time and the labor are saved.
2. The application provides a collection dress formula packing structure has guaranteed the place cleanness. Besides the spanner, other operation tools are not needed, and cleanness of an installation site is guaranteed.
3. The pump cavity does not need to be provided with a flushing hole, the casting is simple, and the yield of pump cavity castings is improved.
4. The packaging type packing sealing structure is provided with a packing flushing water interface, and only the packaging type packing sealing structure needs to be assembled to a corresponding position, a fastener is screwed down, and a limiting gasket is lifted. The integrated packing sealing structure is convenient to install, consumes less time and has low requirement on the technical skill of an installer.
5. The application provides a collection dress formula packing is utilized and is assembled into an sub-assembly with scattered smallclothes, reaches the simplified operation step, reaches the time of high-speed joint fastening, sparingly installation, reduces installation operation instrument, has improved the work efficiency of installation filler, improves the purpose of the environment in experimental place.
The present specification describes a number of technical features distributed throughout the various technical aspects, and if all possible combinations of technical features (i.e. technical aspects) of the present specification are listed, the description is made excessively long. In order to avoid this problem, the respective technical features disclosed in the above summary of the invention of the present application, the respective technical features disclosed in the following embodiments and examples, and the respective technical features disclosed in the drawings may be freely combined with each other to constitute various new technical solutions (which should be regarded as having been described in the present specification) unless such a combination of the technical features is technically infeasible. For example, in one example, the feature a + B + C is disclosed, in another example, the feature a + B + D + E is disclosed, and the features C and D are equivalent technical means for the same purpose, and technically only one feature is used, but not simultaneously employed, and the feature E can be technically combined with the feature C, then the solution of a + B + C + D should not be considered as being described because the technology is not feasible, and the solution of a + B + C + E should be considered as being described.
Drawings
Fig. 1 is a prior art centralized cartridge packing arrangement.
Fig. 2 is a schematic view of a cartridge packing seal structure provided in the present application.
FIG. 3 is a side view of a cartridge-style packing seal configuration provided herein.
Reference numerals:
the application:
1. a filler; 2. a packing ring; 3. a first seal ring; 4. a stuffing box; 5. a packing gland; 6. a stopper spacer; 7. a first connecting member; 8. a first clamping device; 9. a second clamping device; 10. a second connecting member; 11. a third connecting member; 12. a sealing connector; 13. a shaft sleeve; 14. a second seal ring; 18. a pump cavity; 19. and (6) flushing the hole.
The prior art is as follows:
15. a filler; 16. a packing gland; 17. and (6) flushing the hole.
Detailed Description
In the following description, numerous technical details are set forth in order to provide a better understanding of the present application. However, it will be understood by those skilled in the art that the technical solutions claimed in the present application may be implemented without these technical details and with various changes and modifications based on the following embodiments.
The application discloses collection dress formula packing structure includes: the packing box comprises a packing 1, a packing box 4 and a connecting piece assembly; the integrated packing sealing structure further comprises a packing ring 2 and/or a packing gland 5; the integrated packing sealing structure can be matched with a set cavity and/or a set shaft body; the outer side face or partial outer side face of the integrated packing sealing structure can be matched with a set cavity, and the inner side face or partial inner side face of the integrated packing sealing structure can be matched with a set shaft body; the stuffing box 4 comprises a stuffing space; a filler 1 is arranged in the filler space; a packing ring 2 and/or a packing gland 5 are/is also arranged in the packing space; the stuffing box 4 is provided with a flushing hole 19; the filling space is communicated with the external space through the flushing hole 19, in addition, the flushing hole 19 can be externally connected with flushing water for sealing, cooling and lubricating, or the flushing hole 19 enables the filling space to be sealed through a plug; the packing ring 2 and/or the packing gland 5 are/is matched with a packing opening of the packing box 4; the packing gland 5 is connected with the packing box 4 through a connecting piece assembly.
The integrated packing sealing structure comprises a packing ring 2 and a packing gland 5; (ii) a The cartridge packing seal structure further comprises a clamping device assembly; a shaft sleeve 13 is arranged on the inner side surface or part of the inner side surface of the integrated packing sealing structure; the shaft sleeve 13 clamps the shaft sleeve 13 and the shaft body through the clamping device assembly and the connecting piece assembly.
The cavity matched with the outer side face or partial outer side face of the integrated packing sealing structure comprises a pump cavity 18; the pump chamber 18 is connected to the stuffing box 4 by a connector assembly.
The connector assembly includes a sealing connector 12;
the pump chamber 18 is connected to the stuffing box 4 by a sealing connection 12.
The cartridge packing sealing structure further comprises a sealing ring assembly; a sealing ring component is arranged between the pump cavity 18 and the stuffing box 4; the seal ring assembly comprises a first seal ring 3; a first sealing ring 3 is arranged between the pump cavity 18 and the stuffing box 4.
The connector assembly further comprises a second connector 10; the clamping device assembly comprises a first clamping device 8 and a second clamping device 9; the shaft sleeve 13 is fixed with the shaft body through the first clamping device 8, the second clamping device 9 and the second connecting piece 10; the connection assembly further comprises a third connection member 11; the packing gland 5 is fixedly connected with the packing box 4 through a third connecting piece 11.
The seal ring assembly further comprises a second seal ring 14; a second sealing ring 14 is arranged between the shaft sleeve 13 and the shaft body.
As shown in fig. 2, a shaft sleeve 13 is arranged on the inner side surface or part of the inner side surface of the integrated packing seal structure; the sleeve 13 has a recess which cooperates with the stop washer 6 so that the filling space is closed. As shown in fig. 3, the number of the stop washers 6 may be one or more, and when the shaft sleeve 13 is clamped with the shaft body by the first clamping device 8 and the second clamping device 9 and the second connecting member 10, the stop washers 6 are lifted up in the longitudinal direction, so that the shaft sleeve 13 can be closely fitted with the shaft body, and the packing gland 5 can be closely connected with the packing box 4, so that the packing space is closed/sealed.
The filler space is of a concave structure.
The integrated packing sealing structure is matched with the set cavity and the shaft body at the same time.
The cartridge packing seal structure provided by the present application is further described below:
the stuffing box 4 is filled with the required stuffing 1 and stuffing ring 2, the stuffing gland 5 is fastened on the stuffing box 4 through a third connecting piece 11, and the stop gasket 6, the shaft sleeve 13 and the first clamping device 8 and the second clamping device 9 are arranged. Such a cartridge-type stuffing seal is completed, which is provided with stuffing flushing holes 19. According to the different sizes of the shaft diameter, the integrated packing seals with various sizes can be designed, and the pump products with different sizes can be conveniently installed and used. The assembly type packing seal is very simple and easy to operate, when in installation, firstly, the assembly type packing seal fastener 12 is installed on the pump cavity 18, and a first sealing ring 3 is arranged between the assembly type packing seal and the pump cavity 18 for sealing; then the second connecting piece 10 is screwed down, so that the first clamping device 8 and the second clamping device 9 play a clamping role, the shaft sleeve 13 is tightly held on the shaft body, and a second sealing ring 14 is arranged between the shaft sleeve 13 and the shaft body for sealing, so that a medium is prevented from leaking between the shaft sleeve and the shaft body; finally, the first connecting piece 7 is unscrewed, the stop gasket 6 is lifted outwards, the stop gasket 6 is separated from the groove on the shaft sleeve 13, and the first connecting piece 7 is screwed down. The installation of cartridge packing seal has just so been accomplished, and simple easy operation, whole installation only need twist the connecting piece subassembly can, the mounted position, the filler elasticity has all been adjusted in place. The installation is convenient, the consumed time is less, and the requirement on the skill of an installer is low. And moreover, the flushing hole A is formed in the packing box 4, so that a cylindrical lug for drilling the flushing hole is not required to be cast on the pump cavity, the pump cavity is simple in casting, and a plurality of machining procedures are omitted.
The application provides a collection dress formula packing is a combination piece, assembles each smallclothes an organic whole in advance.
It should be noted that, in the present patent application, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, 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 process, method, article, or apparatus. Without further limitation, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element in a process, method, article, or apparatus that comprises the element. In the present patent application, if it is mentioned that a certain action is executed according to a certain element, it means that the action is executed according to at least the element, and two cases are included: performing the action based only on the element, and performing the action based on the element and other elements. The expression of a plurality of, a plurality of and the like includes 2, 2 and more than 2, more than 2 and more than 2.
This specification includes combinations of the various embodiments described herein. Separate references to "one embodiment" or a particular embodiment, etc., do not necessarily refer to the same embodiment; however, the embodiments are not mutually exclusive, unless indicated as mutually exclusive or otherwise apparent to those skilled in the art. It should be noted that the term "or" is used in this specification in a non-exclusive sense unless the context clearly dictates otherwise.
All documents mentioned in this application are to be considered as being incorporated in their entirety into the disclosure of this application so as to be subject to modification as necessary. Further, it is understood that various changes or modifications may be made to the present application by those skilled in the art after reading the above disclosure of the present application, and such equivalents are also within the scope of the present application as claimed.
Claims (10)
1. A cartridge packing seal structure, comprising: the packing box comprises a packing (1), a packing box (4) and a connecting piece assembly; the integrated packing sealing structure further comprises a packing ring (2) and/or a packing gland (5);
the integrated packing sealing structure can be matched with a set cavity and/or a set shaft body; the outer side face or partial outer side face of the integrated packing sealing structure can be matched with a set cavity, and the inner side face or partial inner side face of the integrated packing sealing structure can be matched with a set shaft body; the stuffing box (4) comprises a stuffing space; a filler (1) is arranged in the filler space; a packing ring (2) and/or a packing gland (5) are/is also arranged in the packing space;
the stuffing box (4) is provided with a flushing hole (19); the filling space communicates with the external space via the flushing holes (19);
the packing ring (2) and/or the packing gland (5) are/is matched with a packing opening of the packing box (4);
the packing gland (5) is connected with the packing box (4) through a connecting piece assembly.
2. The unitary packing seal structure of claim 1, characterized in that it comprises a packing ring (2) and a packing gland (5); the cartridge packing seal structure further comprises a clamping device assembly;
a shaft sleeve (13) is arranged on the inner side surface or part of the inner side surface of the integrated packing sealing structure;
the shaft sleeve (13) clamps the shaft body and the shaft body through the clamping device assembly and the connecting piece assembly.
3. The containerized packing seal arrangement of claim 1, wherein said cavity cooperating with an outer side or portion of an outer side of said containerized packing seal arrangement comprises a pump cavity (18);
the pump cavity (18) is connected with the stuffing box (4) through a connecting piece component.
4. The containerized packing seal arrangement of claim 3, wherein said connector assembly includes a sealing connector (12);
the pump cavity (18) is connected with the stuffing box (4) through a sealing connecting piece (12).
5. The integrated packing seal arrangement of claim 3, further comprising a seal ring assembly;
a sealing ring component is arranged between the pump cavity (18) and the stuffing box (4);
the seal ring assembly comprises a first seal ring (3);
a first sealing ring (3) is arranged between the pump cavity (18) and the stuffing box (4).
6. The containerized packing seal arrangement of claim 1, wherein said connector assembly further comprises a second connector (10);
the clamping device assembly comprises a first clamping device (8) and a second clamping device (9);
the shaft sleeve (13) is fixed with the shaft body through a first clamping device (8), a second clamping device (9) and a second connecting piece (10);
the connection assembly further comprises a third connection (11);
and the packing gland (5) is fixedly connected with the packing box (4) through a third connecting piece (11).
7. The containerized packing seal arrangement of claim 6, wherein said seal ring assembly further includes a second seal ring (14);
and a second sealing ring (14) is arranged between the shaft sleeve (13) and the shaft body.
8. The unitary packing seal construction of claim 5, characterized in that the inner side or part of the inner side of said unitary packing seal construction is provided with a bushing (13); the sleeve (13) has a recess which cooperates with a stop washer (6) so that the filling space is closed.
9. The integrated packing structure of any one of claims 1 to 8, wherein the packing space is a recessed structure.
10. A unitary packing structure according to any one of claims 1 to 8, wherein the unitary packing structure cooperates with a given cavity and shaft simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011612164.1A CN114688073B (en) | 2020-12-30 | 2020-12-30 | Packaging type packing sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011612164.1A CN114688073B (en) | 2020-12-30 | 2020-12-30 | Packaging type packing sealing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114688073A true CN114688073A (en) | 2022-07-01 |
| CN114688073B CN114688073B (en) | 2024-05-07 |
Family
ID=82132201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011612164.1A Active CN114688073B (en) | 2020-12-30 | 2020-12-30 | Packaging type packing sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114688073B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2158944Y (en) * | 1993-05-03 | 1994-03-16 | 中国石油化工总公司 | Sealing with soft filled composite |
| CN201372956Y (en) * | 2009-01-05 | 2009-12-30 | 江苏双达工程技术研究中心有限公司 | Cartridge packing seal box for pump |
| CN203223416U (en) * | 2012-12-28 | 2013-10-02 | 上海连成（集团）有限公司 | High-lift packing seal structure |
| CN204458481U (en) * | 2014-12-31 | 2015-07-08 | 上海连成（集团）有限公司 | A kind of clear water centrifugal pump internal pressure type sealing configuration |
| CN205605486U (en) * | 2016-05-17 | 2016-09-28 | 上海宝冶工程技术有限公司 | Collection dress formula packing structure |
| CN206478226U (en) * | 2016-12-28 | 2017-09-08 | 上海连成（集团）有限公司 | A kind of packaging type filling-material structure |
| CN107542696A (en) * | 2017-10-21 | 2018-01-05 | 王友宏 | The filling sealing structure of pump |
| JP2018122976A (en) * | 2017-02-02 | 2018-08-09 | 株式会社片桐鉄工所 | Rotary valve comprising novel shaft seal device and method for manufacturing valve seal device therefor |
| CN210978015U (en) * | 2019-11-30 | 2020-07-10 | 天长市天元泵阀有限公司 | Mechanical seal flushing device of centrifugal pump |
| CN214247783U (en) * | 2020-12-30 | 2021-09-21 | 上海连成（集团）有限公司 | Packaging type packing sealing structure |
-
2020
- 2020-12-30 CN CN202011612164.1A patent/CN114688073B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2158944Y (en) * | 1993-05-03 | 1994-03-16 | 中国石油化工总公司 | Sealing with soft filled composite |
| CN201372956Y (en) * | 2009-01-05 | 2009-12-30 | 江苏双达工程技术研究中心有限公司 | Cartridge packing seal box for pump |
| CN203223416U (en) * | 2012-12-28 | 2013-10-02 | 上海连成（集团）有限公司 | High-lift packing seal structure |
| CN204458481U (en) * | 2014-12-31 | 2015-07-08 | 上海连成（集团）有限公司 | A kind of clear water centrifugal pump internal pressure type sealing configuration |
| CN205605486U (en) * | 2016-05-17 | 2016-09-28 | 上海宝冶工程技术有限公司 | Collection dress formula packing structure |
| CN206478226U (en) * | 2016-12-28 | 2017-09-08 | 上海连成（集团）有限公司 | A kind of packaging type filling-material structure |
| JP2018122976A (en) * | 2017-02-02 | 2018-08-09 | 株式会社片桐鉄工所 | Rotary valve comprising novel shaft seal device and method for manufacturing valve seal device therefor |
| CN107542696A (en) * | 2017-10-21 | 2018-01-05 | 王友宏 | The filling sealing structure of pump |
| CN210978015U (en) * | 2019-11-30 | 2020-07-10 | 天长市天元泵阀有限公司 | Mechanical seal flushing device of centrifugal pump |
| CN214247783U (en) * | 2020-12-30 | 2021-09-21 | 上海连成（集团）有限公司 | Packaging type packing sealing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114688073B (en) | 2024-05-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102084161B (en) | Double mechanical seal device | |
| CN214247783U (en) | Packaging type packing sealing structure | |
| CN1854530B (en) | A sealing arrangement for the attachment of a side plate of a centrifugal pump and an attachment screw used therewith | |
| CN210464582U (en) | Flow counter of municipal drainage pipe | |
| CN114688073A (en) | Packaging type packing sealing structure | |
| CN100357595C (en) | Oil cooling structure for piston rod of piston compressor | |
| JP5086211B2 (en) | In particular, a coupling device for fixing a cylinder head to a crank chamber of a piston internal combustion engine | |
| CN210919544U (en) | Chemical engineering submerged pump screw thread anticorrosion structure | |
| CN205190938U (en) | Prevent loss stem seal structure | |
| CN203584882U (en) | Padding and mechanical sealing universal double entry pump | |
| CN202851493U (en) | Threaded inserted type counterbalance valve | |
| US7669650B2 (en) | Stuffing box for rotating rod | |
| CN205533976U (en) | High -pressure cylinder seal structure | |
| CN205479352U (en) | A oil blanket for rotary shaft seal | |
| CN211648442U (en) | Fastening and sealing assembly for plunger pump | |
| CN110094176A (en) | Oil drilling mud saver valve | |
| CN113803446A (en) | Hydraulic or pneumatic detection oil cylinder structure | |
| CN209743141U (en) | Oil pump body structure | |
| CN218325583U (en) | Composite plug screw for protecting oil port of hydraulic oil cylinder and hydraulic oil cylinder | |
| CN204493962U (en) | Dock PNEUMATIC TUBE joint integration module | |
| CN220469867U (en) | Cable-passing double-valve one-way valve for continuous oil pipe | |
| CN212717443U (en) | Miniature block type one-way hydraulic valve | |
| CN204552869U (en) | Hydraulic fluid port reducing sleeve | |
| CN217124921U (en) | Load sensing full hydraulic steering gear of split type structure | |
| CN206655825U (en) | A kind of interpolation type motor pump group structure for preventing that rotating shaft from getting rusty |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |