CN210003504U

CN210003504U - screw pump with self-cleaning structure

Info

Publication number: CN210003504U
Application number: CN201920626917.0U
Authority: CN
Inventors: 陈贵潮
Original assignee: Jiangsu Cairui Industrial Co Ltd
Current assignee: Jiangsu Cairui Industrial Co Ltd
Priority date: 2019-05-05
Filing date: 2019-05-05
Publication date: 2020-01-31
Anticipated expiration: 2029-05-05

Abstract

screw pump with self-cleaning structure, including the motor, a fixed base, the screw pump casing, the left end lid, the right-hand member lid, cleaning assembly, drive assembly, screw rod and second screw rod, wherein, cleaning assembly includes the swivel mount, group sealing head, group connecting plate, inlet and liquid outlet, the cross-section of coolant liquid blowout port is L shape, and the liquid outlet end of coolant liquid blowout port sets up along the radial of screw pump casing, group connecting plate set up on the swivel mount, and the connecting plate sets up along screw pump casing axis direction, be equipped with the second bead on the connecting plate, group sealing head sets up on the lateral wall of second bead, sealing head can set up in the coolant liquid blowout port, inlet and liquid outlet all set up on the screw pump casing, and inlet and liquid outlet and cleaning solution storage cavity intercommunication.

Description

screw pump with self-cleaning structure

Technical Field

The utility model belongs to the technical field of pump equipment, specifically, relate to kind of screw pump with self-cleaning structure.

Background

After the screw pump operates for periods, the pumped gas contains or can generate a large amount of solid impurities, the impurities are attached to the surfaces of the screw rotor and the pump cavity, the movement clearance between parts can be changed, the parts in the pump cavity are abraded, the performance of the pump is reduced, even the pump fails or is stuck, the service performance of the screw pump is reduced, and the service life of the screw pump is seriously influenced.

The conventional screw pump is difficult to clean, the inside of the screw pump can be cleaned and maintained only by disassembling the screw pump, the workload is large, the time is long, the professional technical requirement is high, and the normal production of a screw pump using enterprise can be influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an kind of screw pump that has automatically cleaning structure, solved the inside back of using of screw pump, can remain industrial chemicals to the problem that the washing degree of difficulty is big.

Technical scheme the utility model provides a screw pump with self-cleaning structure, including motor, fixing base, screw pump casing, left end lid, right-hand member lid, clean subassembly, drive assembly, screw rod and second screw rod, left end lid and right-hand member lid are established at the both ends of screw pump casing, the fixing base is fixed to be set up on the outer wall of right-hand member lid, the motor sets up on the fixing base, the motor passes through drive assembly and is connected with screw rod and second screw rod to the motor can drive screw rod and second screw rod rotatory, screw rod and second screw rod mesh, clean subassembly sets up inside the cavity that encloses at screw pump casing, left end lid and right-hand member lid, be equipped with cleaning solution storage cavity on the screw pump casing, wherein, clean subassembly includes swivel mount, group sealing head, group connecting plate, inlet and liquid outlet, be equipped with group's bead on the inner wall of cleaning solution storage cavity, group sets up along the casing axis direction, be equipped with the inner side wall of second cleaning solution group between cleaning solution storage cavity, cleaning solution storage cavity sets up the radial direction of the cooling liquid outlet, the cooling liquid outlet sets up the cooling liquid outlet of the screw pump casing, and the cooling liquid outlet sets up the cooling liquid outlet of the utility model discloses a manual work is carried out the sealing groove, the cooling liquid pump casing, the cooling liquid outlet sets up the sealing groove, the cooling liquid outlet of the sealing groove, the cooling pump casing, the cooling liquid outlet sets up the sealing groove, and the cooling groove, the groove is carried out the axial groove, the axial groove is carried out the axial groove, and the axial groove of the screw pump casing.

, in the screw pump with the self-cleaning structure, the pluralities of ridges are disposed on the inner wall of the cleaning liquid storage cavity in an annular array.

, in the screw pump with the self-cleaning structure, the sets of the connecting plates are arranged on the rotating frame in an annular array, and the second ribs on the connecting plates are arranged corresponding to the ribs to .

, in the screw pump with the self-cleaning structure, the groups of cooling liquid spraying openings and the groups of sealing heads are arranged correspondingly to , and the groups of cooling liquid spraying openings 0 can be blocked by the groups of cooling liquid spraying openings and the groups of sealing heads are arranged correspondingly to .

, the aforesaid has a screw pump of self-cleaning structure, the terminal surface of second bead can laminate with the terminal surface of bead, the tip that the sealing head is close to bead is equipped with the inclined plane, the terminal surface that the coolant liquid blowout mouth is close to the second bead is equipped with the seal groove, be equipped with the second inclined plane in the seal groove, the sealing head sets up in the seal groove, inclined plane and the laminating of second inclined plane, through the inclined plane cooperation structure on inclined plane and second inclined plane, can be fast convenient insert the sealing head in the coolant liquid blowout mouth.

, in the screw pump with the self-cleaning structure, the rib is provided with a th groove, the second rib is provided with a second groove, the groove and the second groove are arranged oppositely, and a groove and the second groove are provided with a th sealing ring.

, according to the above screw pump with self-cleaning structure, a second sealing ring is arranged between the th inclined surface and the second inclined surface, the th sealing ring and the second sealing ring are arranged to cooperate to form a double sealing structure, so as to prevent the coolant spray outlet from leaking.

, the screw pump with self-cleaning structure comprises a transmission shaft, a rotation shaft, a second rotation shaft, a 0 gear, a second gear and a 1 group of bearings, wherein a 2 end of the transmission shaft is connected with a motor through a coupling, the other end of the transmission shaft is connected with a rotation shaft, a gear is connected with a rotation shaft through a spline, the second gear is connected with the second rotation shaft through a spline, a gear is meshed with the second gear, the rotation shaft and the second rotation shaft are arranged on a screw pump shell through bearings, a screw is connected with the rotation shaft, and the second screw is connected with the second rotation shaft.

, the screw pump with the self-cleaning structure is characterized in that the bearing cover is arranged on the bearing of the screw pump shell, and the bearing cover is arranged to stabilize the bearing on the shell of the screw pump.

Above-mentioned technical scheme can find out, the screw pump with automatically cleaning structure, structural design is reasonable, high durability and convenient use, through coolant liquid blowout ports of organizing along the radial setting of screw pump inner wall, can radially spray the cleaning solution on the screw pump inner wall, carry out the efficient cleanness, and the block structure who sets up can carry out the shutoff with the coolant liquid blowout port at screw pump during operation, guarantee the normal work of screw pump, the clean structure of setting, it is clear simple and convenient, the performance of screw pump has been kept, the clear working strength of screw pump has been reduced, it has very high value to push away.

Drawings

Fig. 1 is a schematic structural diagram of a screw pump with a self-cleaning structure according to the present invention;

FIG. 2 is a cross-sectional view of a screw pump having a self-cleaning structure according to the present invention;

FIG. 3 is an enlarged view of a portion of the substrate of FIG. 2;

fig. 4 is a schematic structural view of the cleaning assembly of the present invention;

fig. 5 is a schematic structural diagram of a screw pump with a self-cleaning structure according to the present invention.

In the figure, a motor 1, a fixed seat 2, a screw pump housing 3, a cavity 31, a cleaning liquid storage cavity 32, an th protruding rib 33, a th groove 331, a cooling liquid spray outlet 34, a sealing groove 341, a second inclined surface 342, a left end cover 4, a right end cover 5, a cleaning assembly 6, a rotating frame 61, a sealing head 62, a th inclined surface 621, a connecting plate 63, a second protruding rib 631, a second groove 6311, a liquid inlet 64, a liquid outlet 65, a transmission assembly 7, a transmission shaft 71, a th rotating shaft 72, a second rotating shaft 73, a th gear 74, a second gear 75, a bearing 76, a bearing cover 761, a th screw 8, a second screw 9, a th sealing ring 10 and a second sealing ring 20 are arranged.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Thus, a feature defined as "", "second" may or may not include or more of that feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like shall be construed to be , for example, as being either fixedly connected or detachably connected, or physically connected, mechanically connected or electrically connected, directly connected or indirectly connected through an intermediary, and communicating between two elements.

In the present disclosure, unless otherwise expressly stated or limited, "above" or "below" a second feature includes features directly contacting the second feature, and may also include features contacting the second feature not directly but through another feature in between, furthermore, features "above", "over" and "on" the second feature include features directly above and obliquely above the second feature, or merely indicate that feature is at a higher level than the second feature, features "below", "beneath" and "under" the second feature include features directly below and obliquely below the second feature, or merely indicate that feature is at a lower level than the second feature.

Examples

A screw pump with a self-cleaning structure as shown in fig. 1-4, comprising a motor 1, a fixed base 2, a screw pump housing 3, a left end cover 4, a right end cover 5, a cleaning assembly 6, a transmission assembly 7, a screw 8 of a first end cover and a screw 9 of a second end cover 5, the fixed base 2 is fixedly disposed on an outer wall of the screw pump housing 3, the motor 1 is disposed on the fixed base 2, the motor 1 is connected with the screw 8 of the first end cover 6 and the screw 9 of the second end cover 6 through the transmission assembly 7, the motor 1 drives the screw 8 of the first end cover 0 and the screw 9 of the second end cover to rotate, the screw 8 of the first end cover is engaged with the screw 9 of the second end cover 2, the cleaning assembly 6 is disposed inside a cavity 31 surrounded by the screw pump housing 3, the left end cover 4 and the right end cover 5, the screw housing 3 is provided with a cleaning liquid storage cavity 32, wherein the cleaning assembly 6 comprises a rotary rack 61, a cleaning liquid storage head 62, a , a cleaning liquid storage cavity 63, a cleaning liquid outlet 35 is disposed on a cooling liquid storage rack 469, a cooling liquid outlet 35 is disposed on a cooling liquid storage rack 469, a cooling liquid outlet 35 is disposed on a cooling liquid storage rack 469, a cooling liquid outlet 35 is disposed on a cooling liquid rack 469, a cooling liquid outlet rack 469 is disposed on a cooling liquid outlet rack 469, a cooling liquid outlet rack 469 is disposed on a cooling rack 469, a cooling liquid outlet rack 469, a cooling.

In addition, the end surface of the second rib 631 can be attached to the end surface of the -th rib 33, the end of the sealing head 62 close to the -th rib 33 is provided with a -th inclined surface 621, the end surface of the cooling liquid spray port 34 close to the second rib 631 is provided with a sealing groove 341, a second inclined surface 342 is arranged in the sealing groove 341, the sealing head 62 is arranged in the sealing groove 341, the -th inclined surface 621 and the second inclined surface 342 are attached to each other, the -th rib 33 is provided with a -th groove 331, the second rib 631 is provided with a second groove 6311, the -th groove 331 and the second groove 6311 are arranged oppositely, and a -th sealing ring 10 is arranged in the -th groove 331 and the second groove 6311, and a second sealing ring 20 is arranged between the -th inclined.

In addition, as shown in fig. 5, the transmission assembly 7 includes a transmission shaft 71, a th rotating shaft 72, a second rotating shaft 73, a th gear 74, a second gear 75 and a 0 group bearing 76, wherein an end 1 of the transmission shaft 71 is connected with the motor 1 through a shaft coupling, the other end of the transmission shaft 71 is connected with the th rotating shaft 72, the th gear 74 is connected with the th rotating shaft 72 through splines, the second gear 75 is connected with the second rotating shaft 73 through splines, the th gear 74 is meshed with the second gear 75, the th rotating shaft 72 and the second rotating shaft 73 are arranged on the screw pump housing 3 through the bearing 76, the th screw 8 is connected with the th rotating shaft 72, the second screw 9 is connected with the second rotating shaft 73, and a bearing cover 761 is arranged on the screw pump housing 3 at the bearing 76.

Finally, the utility model discloses a cleaning assembly 6 is rotatable structure, and specific rotating structure can refer to the screw vacuum pump convenient to clean of patent CN201820884499- -keeping away from of son chuck, mother chuck and handle among the utility model, through the rotatory fixed angle of above-mentioned subassembly with swivel mount 61 to can carry out the shutoff or open group coolant liquid blowout port 34 through group seal head 62.

On the basis of the structure, the utility model discloses the theory of operation of screw pump with automatically cleaning structure does: when the interior of the screw pump needs to be cleaned, the brake structure of the rotating frame 61 is loosened, the rotating frame 61 is rotated, so that the sealing head 62 is separated from the cooling liquid spraying port 34, the cleaning liquid is continuously filled into the cleaning liquid storage cavity 32 through the liquid inlet 64, the cleaning liquid is sprayed into the interior of the screw pump through the cooling liquid spraying port 34 to clean the screw pump, and the cleaned liquid is discharged from the liquid outlet 65; when the screw pump works normally, the rotating frame 61 is rotated, so that the cooling liquid spraying port 34 is blocked by the sealing head 62, and the rotating frame 61 is locked and braked by the braking structure, so that the normal work of the screw pump is ensured.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

The screw pump with the self-cleaning structure is characterized by comprising a motor (1), a fixed seat (2), a screw pump housing (3), a left end cover (4), a right end cover (5), a cleaning assembly (6), a transmission assembly (7), a th screw (8) and a second screw (9), wherein the left end cover (4) and the right end cover (5) are covered at two ends of the screw pump housing (3), the fixed seat (2) is fixedly arranged on the outer wall of the right end cover (5), the motor (1) is arranged on the fixed seat (2), the motor (1) is connected with a th screw (8) and the second screw (9) through the transmission assembly (7), the motor (1) can drive the th screw (8) and the second screw (9) to rotate, the th screw (8) and the second screw (9) are meshed, the cleaning assembly (6) is arranged in a cavity (31) surrounded by the left end cover (4) and the right end cover (5), a cleaning solution storage cavity (31) is arranged in a cleaning solution storage cavity (32) and a cleaning solution storage cavity (32) arranged on a cooling solution storage cavity (32) which is arranged along the axial line (32) of a cooling solution storage cavity (7) and a cooling liquid storage cavity (32) which is arranged on a cooling liquid outlet (32) which is arranged along the axial line (32) and a rotary groove (32) arranged on the axial line (7) of a cooling liquid storage cavity (9) of a rotary groove (9) of a screw pump housing (7), a cooling liquid outlet (9) which is arranged on a rotary groove (9) which is arranged on a screw pump housing (9) of a cooling liquid outlet (32) of a cleaning solution storage cavity (32) which is arranged on a cleaning solution storage cavity (7), a cleaning solution storage cavity (9) which is arranged on a cleaning solution storage cavity (32) which is arranged on a cooling liquid outlet (9) which is arranged on a cleaning solution storage cavity (7) which is arranged on a cooling liquid outlet (9) of a cleaning solution storage cavity (7) and a cleaning solution storage cavity (7) which is arranged on a cooling liquid outlet (7) which is arranged on a cleaning solution storage cavity (7) which is arranged on a liquid outlet (7) which is arranged on a cleaning solution storage cavity (.
2. Screw pump with self-cleaning structure, according to claim 1, characterized in that said sets of ridges (33) are arranged in an annular array on the inner wall of the cleaning liquid storage cavity (32).
3. Screw pump with self-cleaning structure, according to claim 2, characterized in that said sets of connecting plates (63) are arranged on the rotating frame (61) in an annular array, the second ribs (631) of said connecting plates (63) being arranged in correspondence of the pairs of ribs (33) and .
4. Screw pump with self-cleaning structure, according to claim 3, characterized in that said groups of coolant outlets (34) and groups of sealing heads (62) are arranged in correspondence to .
5. The screw pump with the self-cleaning structure according to claim 1, wherein the end surface of the second rib (631) is attached to the end surface of the -th rib (33), the end of the sealing head (62) near the -th rib (33) is provided with a -th inclined surface (621), the end surface of the cooling liquid spraying port (34) near the second rib (631) is provided with a sealing groove (341), a second inclined surface (342) is arranged in the sealing groove (341), the sealing head (62) is arranged in the sealing groove (341), and the -th inclined surface (621) is attached to the second inclined surface (342).
6. A screw pump with a self-cleaning structure according to claim 5, wherein the th rib (33) is provided with a th groove (331), the second rib (631) is provided with a second groove (6311), the th groove (331) and the second groove (6311) are arranged in pairs, and the th groove (331) and the second groove (6311) are provided with a th sealing ring (10).
7. A screw pump with self-cleaning structure, according to claim 6, wherein said second sealing ring (20) is provided between said th inclined surface (621) and said second inclined surface (342).
8. Screw pump with self-cleaning structure according to claim 1, characterized in that the transmission assembly (7) comprises a transmission shaft (71), a th rotating shaft (72), a second rotating shaft (73), a th gear (74), a second gear (75) and a 0 group of bearings (76), wherein the 1 end of the transmission shaft (71) is connected with the motor (1) through a shaft coupling, the other end of the transmission shaft (71) is connected with the th rotating shaft (72), the th gear (74) is connected with the th rotating shaft (72) through splines, the second gear (75) is connected with the second rotating shaft (73) through splines, the th gear (74) is meshed with the second gear (75), the th rotating shaft (72) and the second rotating shaft (73) are arranged on the screw pump housing (3) through the bearings (76), the th screw (8) is connected with the th rotating shaft (72), and the second screw (9) is connected with the second rotating shaft (73).
9. A screw pump having a self-cleaning structure according to claim 8, wherein: and a bearing cover (761) is arranged at the position of a bearing (76) on the screw pump shell (3).