CN220909986U - Spliced screw pump bushing - Google Patents
Spliced screw pump bushing Download PDFInfo
- Publication number
- CN220909986U CN220909986U CN202322590383.XU CN202322590383U CN220909986U CN 220909986 U CN220909986 U CN 220909986U CN 202322590383 U CN202322590383 U CN 202322590383U CN 220909986 U CN220909986 U CN 220909986U
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- CN
- China
- Prior art keywords
- socket assembly
- bushing
- socket
- sealing
- screw pump
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- 238000007789 sealing Methods 0.000 claims abstract description 54
- 238000001035 drying Methods 0.000 claims abstract description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000000741 silica gel Substances 0.000 claims abstract description 11
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 11
- 239000002274 desiccant Substances 0.000 claims abstract description 10
- 230000000903 blocking effect Effects 0.000 claims description 12
- 239000012535 impurity Substances 0.000 description 5
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a spliced screw pump bushing, which belongs to the technical field of screw pumps and comprises a socket assembly, wherein an O-shaped sealing ring is arranged on the outer side of the socket assembly, a socket assembly is arranged on one side of the socket assembly, a tightening assembly is arranged below the socket assembly, a length-adjusting drying device is arranged between the socket assembly and the socket assembly, and a sealing device is arranged on the outer sides of the socket assembly and the socket assembly; according to the utility model, by arranging the length-adjusting drying device, a worker can adjust the relative position between the fixed pipe and the movable pipe by rotating the two first knobs when needed, so that the overall length of a single bushing is adjusted, the working requirements under different conditions are better met, and the bushing can perform certain drying treatment on the inside of the bushing through the silica gel drying agent when needed, thereby reducing the possibility of the occurrence of a humidifying phenomenon of the internal structure and further improving the working capacity of the bushing.
Description
Technical Field
The utility model belongs to the technical field of screw pumps, and particularly relates to a spliced screw pump bushing.
Background
Screw pumps are positive displacement rotary pumps that rely on the change in volume of a sealed chamber formed by a screw and a bushing to draw in and expel liquid.
Chinese patent application number 201920777767.3 discloses a concatenation formula screw pump bush, including the bush main part, the quantity of bush main part is a plurality of, be equipped with socket end, bellmouth end in the bush main part, the socket end the bellmouth end with the bush main part is integrated into one piece structure, the outside surface of socket end is equipped with the arc recess, place an "O" shape sealing washer in the arc recess, be equipped with holding screw, tight fixed plate and tight fixed opening on the bellmouth end, tight fixed opening is located the front end face of bellmouth end, two tight fixed plate is located tight fixed open-ended upside and downside respectively, be equipped with circular through-hole on the tight fixed plate, the holding screw passes circular through-hole with tight fixed plate is connected, tight fixed opening part places a rectangle sealing strip. The device can determine the service length of the stator bushing according to the actual service condition of the screw pump, can replace the screw pump bushing, prolongs the service life of the bushing, and is convenient to transport.
1. The problems that the whole length of a single bushing can not be adjusted according to the needs and the internal structure of the bushing is easy to be wetted exist in the above-mentioned published patent, so that the working needs in different conditions are difficult to meet, and the working capacity of the bushing is further reduced; 2. the above-mentioned published patent has the problem that can't seal socket section and bellmouth end when not using to lead to external impurity to get into wherein easily, and then reduced the practicality of bush.
Disclosure of utility model
To solve the problems set forth in the background art. The utility model provides a spliced screw pump bushing which has the characteristics of high working capacity and strong practicability.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a concatenation formula screw pump bush, includes socket subassembly, "O" shape sealing washer is installed in the outside of socket subassembly, and one side of socket subassembly is provided with the bellmouth subassembly, and tight subassembly is installed to the below of bellmouth subassembly, installs the long drying device of accent between socket subassembly and the bellmouth subassembly, and the outside of socket subassembly and bellmouth subassembly is provided with closing means.
Preferably, the length-adjusting drying device comprises a fixed pipe, a moving pipe, an outer sleeve body, a moving ring, a threaded rod and a first knob, wherein the fixed pipe is installed on one side, close to the socket assembly, of the socket assembly, the moving pipe is installed on one side, close to the socket assembly, of the socket assembly, the outer sleeve body is installed on the fixed pipe and located at the outer side of the moving pipe, the moving ring is installed on the outer side of the moving pipe and located at the inner side of the outer sleeve body, the threaded rod is installed on one side, far away from the socket assembly, of the moving ring, and the first knob is installed on one side, far away from the moving ring, of the threaded rod through bearings.
Preferably, the length-adjusting drying device further comprises a silica gel drying agent, a blocking block and a reticular cylinder, the reticular cylinder is arranged on the inner side of the fixed pipe, the blocking block is filled at the inner side of the fixed pipe and the position located on the outer side of the reticular cylinder, and the blocking block is arranged at the top of the fixed pipe through threads.
Preferably, the sealing device comprises a connecting block, a screw rod, a first sealing plate, a second sealing plate and a lifting plate, wherein the connecting block is arranged above the outer sleeve body, the screw rod is arranged above the connecting block through a bearing, the lifting plate is arranged outside the screw rod through threads, the second sealing plate is arranged on the lifting plate and positioned at a position, far away from the socket assembly, of the socket assembly, and the first sealing plate is arranged on the lifting plate and positioned at a position, far away from the socket assembly, of the socket assembly.
Preferably, the sealing device further comprises a second knob and a guide rod, the second knob is arranged above the screw rod, and the guide rod is arranged above the connecting block and at a position located at one side of the screw rod.
Preferably, the closing device further comprises a buckle, and the second closing plate and the first closing plate are connected with the lifting plate through the buckle.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, by arranging the length-adjusting drying device, a worker can adjust the relative position between the fixed pipe and the movable pipe by rotating the two first knobs when needed, so that the overall length of a single bushing is adjusted, the working requirements under different conditions are better met, and the bushing can perform certain drying treatment on the inside of the bushing through the silica gel drying agent when needed, thereby reducing the possibility of the occurrence of a humidifying phenomenon of the internal structure and further improving the working capacity of the bushing.
2. According to the utility model, the sealing device is arranged, so that the bushing can perform certain sealing work on the socket assembly and the socket assembly through the first sealing plate and the second sealing plate when the bushing is needed, thereby reducing the possibility that external impurities accidentally enter the bushing when the bushing is not in work, and further improving the practicability of the bushing.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is a schematic diagram of a length-adjustable drying device according to the present utility model;
Fig. 4 is a schematic structural view of the closure device of the present utility model.
In the figure: 1. a socket assembly; 2. a length-adjusting drying device; 21. a fixed tube; 22. silica gel drying agent; 23. a moving tube; 24. a jacket body; 25. a moving ring; 26. a threaded rod; 27. a first knob; 28. a blocking block; 29. a mesh drum; 3. a tightening assembly; 4. a socket assembly; 5. a closing device; 51. a connecting block; 52. a screw rod; 53. a second knob; 54. a guide rod; 55. a buckle; 56. a first closure plate; 57. a second closure plate; 58. a lifting plate; 6. an O-shaped sealing ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-4, the present utility model provides the following technical solutions: the utility model provides a concatenation formula screw pump bush, includes socket subassembly 1, and "O" shape sealing washer 6 is installed in the outside of socket subassembly 1, and one side of socket subassembly 1 is provided with bellmouth subassembly 4, and tight subassembly 3 is installed to the below of bellmouth subassembly 4, installs the accent long drying device 2 between socket subassembly 1 and the bellmouth subassembly 4, and the outside of socket subassembly 1 and bellmouth subassembly 4 is provided with closing means 5.
Specifically, the length-adjusting drying device 2 comprises a fixed tube 21, a movable tube 23, an outer sleeve 24, a movable ring 25, a threaded rod 26 and a first knob 27, wherein the fixed tube 21 is installed on one side, close to the socket assembly 4, of the socket assembly 1, the movable tube 23 is installed on one side, close to the socket assembly 4, of the socket assembly 1, the outer sleeve 24 is installed on the fixed tube 21 and located at the outer side of the movable tube 23, the movable ring 25 is installed on the outer side of the movable tube 23 and located at the inner side of the outer sleeve 24, the threaded rod 26 is installed on one side, far from the socket assembly 4, of the movable ring 25 and located at the upper side and the lower side of the fixed tube 21 through bearings, and the first knob 27 is installed on one side, far from the movable ring 25, of the threaded rod 26.
Through adopting above-mentioned technical scheme for the staff can be through rotating two first knobs 27 and adjust the relative position between fixed pipe 21 and the removal pipe 23 when needs, thereby adjusts the whole length of single bush, has satisfied the work needs when different circumstances better.
Specifically, the length-adjusting drying device 2 further comprises a silica gel drying agent 22, a blocking block 28 and a net-shaped cylinder 29, the net-shaped cylinder 29 is installed on the inner side of the fixed tube 21, the blocking block 28 is filled at the position, located on the outer side of the net-shaped cylinder 29, of the inner side of the fixed tube 21, and the blocking block 28 is installed on the top of the fixed tube 21 through threads.
Through adopting above-mentioned technical scheme for the bush can be through silica gel drier 22 to the inside certain drying treatment that carries out of self when needs, thereby has reduced the possibility that the inner structure appears the phenomenon of wetting.
When the bushing is used on the screw pump, the socket assembly 1 and the socket assembly 4 in the bushings are spliced together and the tightening assemblies 3 are operated to tighten the bushing, the O-shaped sealing ring 6 ensures tightness, when the bushing is needed, a worker can rotate two first knobs 27 in the length-adjustable drying device 2 on one bushing, the two first knobs 27 drive two threaded rods 26 to rotate, the threaded rods 26 are in threaded connection with an outer sleeve 24 on the fixed pipe 21, the threaded rods 26 are in bearing connection with the movable ring 25, so that the two threaded rods 26 drive the movable ring 25, the movable pipe 23 and other structures to move, the overall length of the bushing is adjusted, then the worker inserts the rotor of the screw pump, connects with a motor and other devices, the worker can start to work, moisture in the bushing can gradually pass through the net drum 29 and be absorbed by the silica gel drying agent 22, the structures inside the bushing are prevented from being damped, and the blocking block 28 plays a role in facilitating the worker to replace the silica gel drying agent 22.
Example 2
This embodiment differs from embodiment 1 in that: the sealing device 5 comprises a connecting block 51, a screw rod 52, a first sealing plate 56, a second sealing plate 57 and a lifting plate 58, wherein the connecting block 51 is arranged above the outer sleeve 24, the screw rod 52 is arranged above the connecting block 51 through a bearing, the lifting plate 58 is arranged on the outer side of the screw rod 52 through threads, the second sealing plate 57 is arranged on the lifting plate 58 and positioned on the side, far away from the socket assembly 4, of the socket assembly 1, and the first sealing plate 56 is arranged on the lifting plate 58 and positioned on the side, far away from the socket assembly 1, of the socket assembly 4.
By adopting the above technical scheme, the bushing can perform certain sealing work on the socket assembly 4 and the socket assembly 1 through the first sealing plate 56 and the second sealing plate 57 when needed, so that the possibility that external impurities accidentally enter the bushing when the bushing does not work is reduced.
Specifically, the closing device 5 further includes a second knob 53 and a guide rod 54, the second knob 53 is installed above the screw rod 52, and the guide rod 54 is installed above the connection block 51 and at a position located at one side of the screw rod 52.
By adopting the technical scheme, the operation of the screw rod 52 by a worker is facilitated, so that inconvenience of the worker in rotating the screw rod 52 is reduced, and the lifting plate 58 can be prevented from rotating during movement by the guide rod 54.
Specifically, the closing device 5 further includes a buckle 55, and the second closing plate 57 and the first closing plate 56 are connected to the lifting plate 58 through the buckle 55.
Through adopting above-mentioned technical scheme for the staff can be when needs connect goods separation work between second closure plate 57 and first closure plate 56 and the lifter plate 58, thereby made things convenient for the staff to load and unload second closure plate 57 and first closure plate 56.
When the lining is not in use, the worker can rotate the second knob 53 in the sealing device 5 so as to drive the screw rod 52 on the connecting block 51 to rotate, the screw rod 52 is in threaded connection with the lifting plate 58, and the lifting plate 58 is in sliding connection with the guide rod 54, so that the screw rod 52 drives the lifting plate 58 to descend, and then drives the first sealing plate 56 and the second sealing plate 57 to descend, thereby sealing the socket assembly 4 and the socket assembly 1, preventing the entry of impurities, and the worker can operate the two buckles 55 to assemble and disassemble the first sealing plate 56 and the second sealing plate 57 when required.
The utility model discloses a socket assembly 1 consisting of a socket end and an arc groove, a fastening assembly 3 consisting of a fastening screw and a fastening plate, a socket assembly 4 consisting of a socket end, a fastening opening and a sealing strip, and a structure and a principle of an O-shaped sealing ring 6 in a spliced screw pump bushing disclosed in China patent application number 201920777767.3, wherein when the device is used, the device is spliced firstly, namely the socket end of one device is inserted into the socket end of the other device, and then the fastening screw is screwed downwards, so that the distance between the two fastening plates is shortened, namely the O-shaped sealing ring is tightly pressed inside the socket end and is sealed by the pressure between the socket end and the O-shaped sealing ring; after the lining splicing of the device is completed, the rotor of the screw pump can be inserted into the lining main body and then connected with devices such as a motor and the like, so that the device can start working. After the bushing is used, the bushing main bodies can be disassembled by screwing the elastic set screws, so that the bushing is convenient to transport.
The working principle and the using flow of the utility model are as follows: when the bushing is needed to be used on the screw pump, the socket assemblies 1 and the socket assemblies 4 in the bushings are spliced together, the tightening assemblies 3 are operated to tighten, the O-shaped sealing ring 6 ensures tightness, when the bushing is needed, a worker can rotate two first knobs 27 in a length-adjusting drying device 2 on one bushing, the two first knobs 27 drive two threaded rods 26 to rotate, the threaded rods 26 are in threaded connection with an outer sleeve 24 on a fixed pipe 21, the threaded rods 26 are in bearing connection with a movable ring 25, so that the two threaded rods 26 drive the movable ring 25, the movable pipe 23 and other structures to move, the whole length of the bushing is adjusted, then the worker inserts a rotor of the screw pump, is connected with a motor and other devices, the work can be started, moisture in the bushing can gradually pass through a net-shaped cylinder 29 and be absorbed by a silica gel drying agent 22, the structure inside the bushing is prevented from being wetted, and a blocking block 28 plays a role in facilitating the replacement of the silica gel drying agent 22 by the worker; when the bushing does not work, the worker can rotate the second knob 53 in the sealing device 5, so as to drive the screw rod 52 on the connecting block 51 to rotate, the screw rod 52 is in threaded connection with the lifting plate 58, and the lifting plate 58 is in sliding connection with the guide rod 54, so that the screw rod 52 drives the lifting plate 58 to descend, and then drives the first sealing plate 56 and the second sealing plate 57 to descend, thereby sealing the socket assembly 4 and the socket assembly 1, preventing the entry of impurities, and the worker can operate the two buckles 55 to assemble and disassemble the first sealing plate 56 and the second sealing plate 57 when needed.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a concatenation formula screw pump bush, includes socket assembly, its characterized in that: an O-shaped sealing ring is arranged on the outer side of the socket assembly, a socket assembly is arranged on one side of the socket assembly, a tightening assembly is arranged below the socket assembly, a length-adjusting drying device is arranged between the socket assembly and the socket assembly, and a sealing device is arranged on the outer sides of the socket assembly and the socket assembly.
2. A spliced screw pump liner according to claim 1, wherein: the length-adjusting drying device comprises a fixed pipe, a moving pipe, an outer sleeve body, a moving ring, a threaded rod and a first knob, wherein the fixed pipe is installed on one side, close to the socket assembly, of the socket assembly, the moving pipe is installed on one side, close to the socket assembly, of the socket assembly, the outer sleeve body is installed on the fixed pipe and located at the outer side of the moving pipe, the moving ring is installed on the outer side of the moving pipe and located at the inner side of the outer sleeve body, the threaded rod is installed on one side, far away from the socket assembly, of the moving ring, and the first knob is installed on one side, far away from the moving ring, of the threaded rod through bearings.
3. A spliced screw pump bushing according to claim 2, wherein: the length-adjusting drying device further comprises a silica gel drying agent, a blocking block and a reticular cylinder, the reticular cylinder is arranged on the inner side of the fixed pipe, the blocking block is filled at the position, located on the outer side of the reticular cylinder, of the inner side of the fixed pipe, and the blocking block is arranged on the top of the fixed pipe through threads.
4. A spliced screw pump bushing according to claim 2, wherein: the sealing device comprises a connecting block, a screw rod, a first sealing plate, a second sealing plate and a lifting plate, wherein the connecting block is arranged above the outer sleeve body, the screw rod is arranged above the connecting block through a bearing, the lifting plate is arranged outside the screw rod through threads, the second sealing plate is arranged on the lifting plate and located at a position, far away from the socket assembly, of the socket assembly, and the first sealing plate is arranged on the lifting plate and located at a position, far away from the socket assembly, of the socket assembly.
5. The spliced screw pump liner of claim 4, wherein: the sealing device further comprises a second knob and a guide rod, wherein the second knob is arranged above the screw rod, and the guide rod is arranged above the connecting block and at a position located at one side of the screw rod.
6. The spliced screw pump liner of claim 4, wherein: the sealing device further comprises a buckle, and the second sealing plate and the first sealing plate are connected with the lifting plate through the buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322590383.XU CN220909986U (en) | 2023-09-24 | 2023-09-24 | Spliced screw pump bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322590383.XU CN220909986U (en) | 2023-09-24 | 2023-09-24 | Spliced screw pump bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220909986U true CN220909986U (en) | 2024-05-07 |
Family
ID=90919802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322590383.XU Active CN220909986U (en) | 2023-09-24 | 2023-09-24 | Spliced screw pump bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220909986U (en) |
-
2023
- 2023-09-24 CN CN202322590383.XU patent/CN220909986U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |