CN218717572U - Large-traffic mechanical vacuum pump - Google Patents
Large-traffic mechanical vacuum pump Download PDFInfo
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- CN218717572U CN218717572U CN202222730383.0U CN202222730383U CN218717572U CN 218717572 U CN218717572 U CN 218717572U CN 202222730383 U CN202222730383 U CN 202222730383U CN 218717572 U CN218717572 U CN 218717572U
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- impeller
- front cover
- fixedly connected
- vacuum pump
- mechanical vacuum
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Abstract
The utility model discloses a large-traffic mechanical vacuum pump relates to mechanical vacuum pump technical field. The utility model comprises a motor, wherein the motor is provided with a front cover component through a bracket, and an output shaft of the motor is provided with an impeller component; the front cover assembly comprises a front cover plate, a flange nut and a flange plate, a water inlet pipe and a water outlet pipe are fixedly connected to the center position of the upper surface of the front cover plate and the outer wall of one side of the front cover plate respectively, and the flange plate is arranged on the water inlet pipe and the water outlet pipe through the flange nut; the impeller subassembly includes impeller, bearing seal change and shaft seal seat down, and impeller's bottom is through impeller nut fixedly connected with bearing seal change down, and bearing seal change swing joint is in the inboard of shaft seal seat. The utility model discloses a flange nut in the front shroud subassembly has realized being connected between inlet tube and the outlet pipe on ring flange and the front shroud to be convenient for be connected between mechanical vacuum pump and the water pipe, strengthened mechanical vacuum pump's leakproofness through the bearing seal change among the impeller subassembly and shaft seal seat simultaneously.
Description
Technical Field
The utility model belongs to the technical field of mechanical vacuum pump, especially, relate to a large-traffic mechanical vacuum pump.
Background
Mechanical vacuum pumps are used to create a vacuum that evacuates or absorbs air from a closed or semi-closed space to a relative vacuum in a localized space.
Most of the flange plates of the existing mechanical vacuum pump are welded on a water inlet pipe or a water outlet pipe, so that installation and maintenance personnel can not conveniently install the mechanical vacuum pump and the water pipe;
the existing mechanical vacuum pump has poor sealing performance, is difficult to bear the pressure generated by pushing water flow when an impeller works for a long time in a working state, and is easy to break at the joint of a rotating shaft to cause leakage of fluid.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the problem that will solve lies in: the large-flow mechanical vacuum pump is convenient to install and maintain and can bear the pressure generated by pushing water flow when the impeller works for a long time.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a large-flow mechanical vacuum pump, which comprises a motor, wherein the motor is provided with a front cover component through a bracket, and an impeller component is arranged on an output shaft of the motor;
the front cover assembly comprises a front cover plate, a flange nut and a flange plate, wherein the central position of the upper surface of the front cover plate and the outer wall of one side of the front cover plate are respectively and fixedly connected with a water inlet pipe and a water outlet pipe, the outer walls of the water inlet pipe and the water outlet pipe are respectively in threaded connection with the flange nut, and the flange nuts are respectively in clearance connection with the inner side of the flange plate;
the impeller subassembly includes impeller, bearing seal change and shaft seal seat down, and lower impeller gap connection is in the inboard of water proof cover, and impeller nut fixedly connected with bearing seal change is passed through to the bottom of lower impeller, and the bearing seal change passes through the output shaft fixed connection of pivot and motor, and bearing seal change swing joint is in the inboard of shaft seal seat.
Regarding above-mentioned technical scheme's further improvement, the top of support is contradicted and is connected on the lower surface of front shroud, the bottom fixedly connected with connection pad of support, the bottom fixed connection of connection pad is at the top of motor, the first ear seat of equal fixedly connected with all around of the outer wall of support, first screw hole has all been seted up to the terminal surface of first ear seat. This improvement makes support and motor pass through the connection pad and firmly connects, and the setting up of first ear seat and first screw hole makes support and front shroud installation firm.
About above-mentioned technical scheme's further improvement, equal fixedly connected with second ear seat all around the outer wall of front shroud, the second screw hole has all been seted up to the terminal surface of second ear seat. In this improvement, the stability of front shroud and the mutual installation of support has been strengthened in setting up of second ear seat and second screw hole.
Regarding the further improvement of the technical scheme, the top of the shaft seal seat is fixedly connected to the bottom of the water separating sleeve, and the outer wall of the water separating sleeve is in clearance connection with the inner side of the front cover plate. The improved water partition sleeve can limit the flow direction of water flow.
Regarding the further improvement of the technical scheme, the bottom end of the rotating shaft is fixedly connected to the top end of the output shaft of the motor, and the top end of the rotating shaft is sleeved on the inner side of the shaft seal rotating ring. The improvement increases the energy transfer distance of the motor to the impeller, and ensures that the pump body can also carry fluid with a longer distance.
Regarding the further improvement of above-mentioned technical scheme, the top fixedly connected with of lower impeller goes up the impeller, and lower impeller and last impeller all are located the inboard of front shroud. This improvement makes the setting of lower impeller and upper impeller have strengthened the impeller to the pushing action of the rivers in the front shroud, have strengthened the work efficiency of pump.
Has the advantages that:
1. the utility model discloses set up the front shroud subassembly, installed the water pipe as needs, at first be connected between water pipe and the ring flange, with ring flange clearance connection on flange nut's outer wall after that, with flange nut threaded connection on the outer wall of inlet tube and outlet pipe after that for the installation of the external water pipe of mechanical vacuum pump is convenient, thereby has realized being connected between mechanical pump and the water pipe, and the external water pipe of the mechanical pump of being convenient for is convenient for use.
2. The lower impeller and the upper impeller are fixedly connected through bolts, and the lower impeller and the upper impeller are arranged to drive water flow in the front cover plate to move at a high speed and input at a high flow rate and a high pressure, so that the water flow reaches 1000-1100L/min, and the pressure reaches 0.36-0.38 MPa. The water proof cover has realized spacing to the direction of motion of rivers, make rivers enter into the play water pipe on the front shroud, the bearing seal change ring is installed through the impeller nut to lower impeller, the bottom of bearing seal change ring runs through the water proof cover and rotates the inboard of connecting at the shaft seal seat, the inseparable cooperation of bearing seal change ring and shaft seal seat has realized sealing up the junction of water proof cover with the pivot, thereby strengthened this mechanical vacuum pump's leakproofness, it is relatively poor to have solved its sealing performance of current mechanical vacuum pump among the prior art, the operating condition is difficult to bear the pressure that impeller during operation promoted rivers and produce for a long time, easy fracture and the problem that causes revealing of fluid in the junction of pivot.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the motor of the present invention;
fig. 3 is a schematic structural view of the lower impeller of fig. 2 according to the present invention;
fig. 4 is a schematic structural view of the water partition jacket of fig. 3 according to the present invention;
fig. 5 is a schematic structural view of the bracket of the present invention;
fig. 6 is a schematic structural view of the front cover assembly of the present invention;
fig. 7 is a schematic structural view of the front cover plate of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a motor; 2. a support; 21. a connecting disc; 22. a first ear mount; 23. a first threaded hole; 3. a front cover assembly; 31. a front cover plate; 32. a flange nut; 33. a flange plate; 34. a water inlet pipe; 35. a water outlet pipe; 36. a second ear mount; 37. a second threaded hole; 4. an impeller assembly; 41. a lower impeller; 42. a rotating shaft; 43. a water-separating sleeve; 44. an upper impeller; 45. an impeller nut; 46. a shaft seal rotating ring; 47. and (4) a shaft seal seat.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments and the specification.
Referring to fig. 1-7, the present invention relates to a high flow rate mechanical vacuum pump, which comprises a motor 1, wherein the motor 1 is provided with a front cover assembly 3 through a bracket 2, and an output shaft of the motor 1 is provided with an impeller assembly 4;
the front cover component 3 comprises a front cover plate 31, a flange nut 32 and a flange plate 33, wherein the central position of the upper surface of the front cover plate 31 and the outer wall of one side of the front cover plate are fixedly connected with a water inlet pipe 34 and a water outlet pipe 35 respectively, the outer walls of the water inlet pipe 34 and the water outlet pipe 35 are both in threaded connection with the flange nut 32, and the flange nuts 32 are respectively in clearance connection with the inner side of the flange plate 33;
specifically, in the using process, when the water pipe needs to be installed, the water pipe is connected with the flange plate 33 at first, then the flange plate 33 is connected to the outer wall of the flange nut 32 in a clearance mode, and then the flange nut 32 is connected to the outer walls of the water inlet pipe 34 and the water outlet pipe 35 in a threaded mode, so that the connection between the mechanical vacuum pump and the water pipe is achieved;
the impeller assembly 4 comprises a lower impeller 41, a shaft seal rotating ring 46 and a shaft seal seat 47, wherein the lower impeller 41 is in clearance connection with the inner side of the water-separating sleeve 43, the top of the lower impeller 41 is fixedly connected with an upper impeller 44, the lower impeller 41 and the upper impeller 44 are both positioned on the inner side of the front cover plate 31, the bottom of the lower impeller 41 is fixedly connected with the shaft seal rotating ring 46 through an impeller nut 45, the shaft seal rotating ring 46 is fixedly connected with an output shaft of the motor 1 through a rotating shaft 42, the bottom end of the rotating shaft 42 is fixedly connected with the top end of the output shaft of the motor 1, the top end of the rotating shaft 42 is sleeved on the inner side of the shaft seal rotating ring 46, the rotating ring 46 is movably connected on the inner side of the shaft seal seat 47, the top of the shaft seal seat 47 is fixedly connected with the bottom of the water-separating sleeve 43, and the outer wall of the water-separating sleeve 43 is in clearance connection with the inner side of the front cover plate 31;
specifically, in the use process, through welded connection between lower impeller 41 and the upper impeller 44, the setting of lower impeller 41 and upper impeller 44 realizes driving the water flow in front cover plate 31 to move, and simultaneously, the setting of water-proof sleeve 43 realizes spacing the moving direction of water flow, so that water flow enters into water outlet pipe 35 on front cover plate 31, lower impeller 41 installs shaft seal swivel 46 through impeller nut 45, the bottom of shaft seal swivel 46 penetrates through water-proof sleeve 43 and is rotatably connected to the inner side of shaft seal seat 47, the setting of shaft seal swivel 46 and shaft seal seat 47 realizes sealing the junction of water-proof sleeve 43 and rotary shaft 42, and thus the sealing performance of the mechanical vacuum pump is enhanced.
As shown in fig. 5 and 7, the top of the bracket 2 is connected to the lower surface of the front cover plate 31 in an abutting manner, the bottom of the bracket 2 is fixedly connected to the connecting disc 21, the bottom of the connecting disc 21 is fixedly connected to the top of the motor 1, the peripheries of the outer walls of the bracket 2 are fixedly connected to the first lug seats 22, the end surfaces of the first lug seats 22 are provided with first threaded holes 23, the peripheries of the outer walls of the front cover plate 31 are fixedly connected to the second lug seats 36, and the end surfaces of the second lug seats 36 are provided with second threaded holes 37;
specifically, in the using process, the support 2 is fixedly connected with the connecting disc 21 through a bolt, and the connecting disc 21 is fixed with the motor 1 through a bolt, so that the motor 1 and the support 2 are installed through the connecting disc 21, and the mechanical vacuum pump is installed through the support 2;
meanwhile, the outer walls of the support 2 and the front cover plate 31 are welded with a first ear seat 22 and a second ear seat 36 respectively, the end faces of the first ear seat 22 and the second ear seat 36 are provided with a first threaded hole 23 and a second threaded hole 37 respectively, and the support 2 and the front cover plate 31 are installed through the arrangement of the first ear seat 22 and the second ear seat 36.
The above is only the preferred embodiment of the present invention, and the present invention is not limited thereto, any technical solutions recorded in the foregoing embodiments are modified, and some technical features thereof are replaced with equivalent ones, and any modification, equivalent replacement, and improvement made thereby all belong to the protection scope of the present invention.
Claims (6)
1. A large-traffic mechanical vacuum pump, includes motor (1), its characterized in that: the motor (1) is provided with a front cover component (3) through a support (2), and an output shaft of the motor (1) is provided with an impeller component (4);
the front cover assembly (3) comprises a front cover plate (31), a flange nut (32) and a flange plate (33), a water inlet pipe (34) and a water outlet pipe (35) are fixedly connected to the central position of the upper surface of the front cover plate (31) and the outer wall of one side of the front cover plate respectively, the flange nut (32) is in threaded connection with the outer walls of the water inlet pipe (34) and the water outlet pipe (35), and the flange nut (32) is in clearance connection with the inner side of the flange plate (33) respectively;
the impeller assembly (4) comprises a lower impeller (41), a shaft seal rotating ring (46) and a shaft seal seat (47), wherein the lower impeller (41) is in gap connection with the inner side of the water separating sleeve (43), the bottom of the lower impeller (41) is fixedly connected with the shaft seal rotating ring (46) through an impeller nut (45), the shaft seal rotating ring (46) is fixedly connected with an output shaft of the motor (1) through a rotating shaft (42), and the shaft seal rotating ring (46) is movably connected with the inner side of the shaft seal seat (47).
2. A high flow mechanical vacuum pump according to claim 1, characterized in that: the top of support (2) is contradicted to be connected on the lower surface of front shroud (31), the bottom fixedly connected with connection pad (21) of support (2), the bottom fixed connection of connection pad (21) is in the top of motor (1), the outer wall of support (2) is first ear seat (22) of equal fixedly connected with all around, first screw hole (23) have all been seted up to the terminal surface of first ear seat (22).
3. A high flow mechanical vacuum pump according to claim 2, characterized in that: the outer wall of front shroud (31) is all fixedly connected with second ear seat (36) all around, second screw hole (37) have all been seted up to the terminal surface of second ear seat (36).
4. A high flow mechanical vacuum pump according to claim 1, characterized in that: the top of the shaft seal seat (47) is fixedly connected to the bottom of the water separating sleeve (43), and the outer wall of the water separating sleeve (43) is connected to the inner side of the front cover plate (31) in a clearance mode.
5. A high flow mechanical vacuum pump according to claim 1, characterized in that: the bottom end of the rotating shaft (42) is fixedly connected to the top end of an output shaft of the motor (1), and the top end of the rotating shaft (42) is sleeved on the inner side of the shaft seal rotating ring (46).
6. A high flow mechanical vacuum pump according to claim 1, characterized in that: the top of the lower impeller (41) is fixedly connected with an upper impeller (44), and the lower impeller (41) and the upper impeller (44) are both positioned on the inner side of the front cover plate (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222730383.0U CN218717572U (en) | 2022-10-14 | 2022-10-14 | Large-traffic mechanical vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222730383.0U CN218717572U (en) | 2022-10-14 | 2022-10-14 | Large-traffic mechanical vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218717572U true CN218717572U (en) | 2023-03-24 |
Family
ID=85585893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222730383.0U Active CN218717572U (en) | 2022-10-14 | 2022-10-14 | Large-traffic mechanical vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218717572U (en) |
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2022
- 2022-10-14 CN CN202222730383.0U patent/CN218717572U/en active Active
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