CN220015475U

CN220015475U - Anti-blocking single-screw pump

Info

Publication number: CN220015475U
Application number: CN202321020808.7U
Authority: CN
Inventors: 何金林
Original assignee: Hunan Sino Precision Machinery Co ltd
Current assignee: Hunan Sino Precision Machinery Co ltd
Priority date: 2023-05-04
Filing date: 2023-05-04
Publication date: 2023-11-14
Anticipated expiration: 2033-05-04

Abstract

The utility model discloses an anti-blocking single-screw pump, belongs to the technical field of single-screw pumps, and aims to solve the problem that the prior art can not well solve the problem of conveying blockage by adopting a filtering interception mode, and conversely, the blocking probability of a feed inlet can be increased, and the feed inlet still needs to be stopped for dredging after filtering for a certain time. The anti-blocking device comprises a chassis, a pump rod and an anti-blocking mechanism, and is characterized in that the chassis is arranged below the pump rod, the pump rod is provided with a feeding pipe and a discharging pipe which are distributed at intervals, and the anti-blocking mechanism is arranged at one end of the pump rod; the anti-blocking mechanism comprises an auxiliary pipe, a straight rod, a driving rod and a rotating rod, wherein the auxiliary pipe and the pump rod are concentric in distribution, and a perforation is formed in the auxiliary pipe in a penetrating manner. This prevent single screw pump of jam, owing to prevent blocking up the setting of mechanism, when the medium of the inside transmission of pump pole takes place to block up and influence the velocity of flow, can align fast and dredge for the normal transport operation of pump pole can not receive the influence, and the practicality is strong.

Description

Anti-blocking single-screw pump

Technical Field

The utility model belongs to the technical field of single-screw pumps, and particularly relates to an anti-blocking single-screw pump.

Background

The utility model relates to a single screw pump, which belongs to a rotor type positive displacement pump, and is characterized in that a screw rod and a lining are meshed with each other to generate volume change in a suction cavity and a discharge cavity to convey liquid, the single screw pump is an internally meshed closed screw pump, when the screw pump conveys a relatively viscous medium, an internal conveying pipeline is easy to block, in order to avoid the situation, a filter screen is arranged at a feed inlet of the single screw pump in the prior art to intercept particle impurities, but the single screw pump can ensure the smoothness of the internal pipeline conveying of the single screw pump by adopting a filtering mode, but the feed inlet still has congestion, obviously, the problem of conveying blockage cannot be well solved by adopting a filtering interception mode only, the blockage probability at the feed inlet is increased, and the blocking probability at the feed inlet still needs to be stopped after one end of filtering is needed, so the inventor proposes an anti-blockage single screw pump.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide an anti-blocking single-screw pump, and aims to solve the problem that the prior art can not well solve the problem of conveying blockage by adopting a filtering interception mode, but can increase the blockage probability at a feed inlet, and the feed inlet still needs to be stopped for dredging after filtering for a certain time.

(2) Technical proposal

In order to solve the technical problems, the utility model provides the anti-blocking single-screw pump which comprises a chassis, a pump rod and an anti-blocking mechanism, wherein the chassis is arranged below the pump rod, the pump rod is provided with a feeding pipe and a discharging pipe which are distributed at intervals, and the anti-blocking mechanism is arranged at one end of the pump rod; the anti-blocking mechanism comprises an auxiliary pipe, a straight rod, a driving rod and a rotating rod, wherein the auxiliary pipe and the pump rod are concentrically distributed, a through hole is formed in the auxiliary pipe in a penetrating mode, the straight rod horizontally penetrates through the through hole and stretches into the pump rod towards the inside, and one end, facing the inside of the pump rod, of the supporting rod is provided with a tip part; the one end and the actuating lever swing joint of tip are kept away from to the straight line pole, the one end rotation connection rotary rod of straight line pole is kept away from to the actuating lever, the rotary rod is L shape structure, and is connected with driving motor in the one end of keeping away from the actuating lever. Owing to prevent stifled mechanism's setting, when the medium of the inside transmission of pump pole takes place to block up and influences the velocity of flow, can align fast and dredge for the normal transport operation of pump pole can not receive the influence, and the practicality is strong.

Further, the driving rod is of a U-shaped structure towards one end of the straight rod, connecting shafts are symmetrically distributed on the outer walls of the two sides of the straight rod, and the connecting shafts correspond to the driving rod and are connected in a rotating mode.

Further, one end of the driving rod facing the rotating rod is provided with a mounting hole, and the end part of the rotating rod penetrates into the mounting hole and is in rotating connection with the mounting hole. Thanks to the cooperation of the driving rod and the rotating rod, the straight-going rod can be driven to reciprocate to perform continuous dredging on the congestion medium.

Further, a driving shaft is connected to an output shaft of the driving motor, and the driving shaft is fixedly connected with a rod to be installed.

Furthermore, the end part of the pump rod is provided with a through hole for the straight rod to penetrate, the outer wall of the inside of the pump rod, which penetrates the straight rod, is sleeved with a sealing ring, and the sealing ring corresponds to the through hole. Thanks to the arrangement of the sealing ring, the conveying medium is effectively ensured not to leak towards the outside of the pump rod.

Furthermore, a mounting rod is fixedly arranged below the driving motor, and the bottom of the mounting rod is fixedly connected with the chassis.

Further, a supporting frame is fixed on the outer wall of the auxiliary pipe, and the bottom of the supporting frame is fixedly connected with the chassis. Owing to the arrangement of the supporting frame, the straight running rod can only keep straight movement when being stressed, and the blocking position inside the pump rod is broken.

(3) Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, due to the arrangement of the anti-blocking mechanism, when the medium conveyed inside the pump rod is blocked to influence the flow speed, the anti-blocking mechanism can be quickly aligned to dredge, so that the medium blocking is more and more serious, the conveying efficiency is ensured, the normal conveying operation of the pump rod can not be influenced, the anti-blocking mechanism is high in practicability, compared with the intercepting and filtering mode, the single-screw pump can finish the dredging operation of blocking or to-be-blocked positions in the normal conveying process, the conveying requirement of the single-screw pump is met, the dredging operation is performed through the reciprocating movement of the straight rod, the straight rod has the self-homing function, the original conveying space inside the pump rod can not be occupied, the conveying quantity is ensured, and the anti-blocking mechanism can be widely popularized.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a pump rod and anti-blocking mechanism separated;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A;

fig. 4 is an enlarged schematic view of the structure at B in fig. 2.

The marks in the drawings are: 1. a chassis; 2. a feed pipe; 3. a pump rod; 4. a discharge pipe; 5. an anti-blocking mechanism; 6. an auxiliary tube; 7. a support frame; 8. perforating; 9. a straight line bar; 10. a driving rod; 11. a rotating rod; 12. a drive shaft; 13. a mounting rod; 14. a driving motor; 15. a connecting shaft; 16. a tip portion; 17. and (3) sealing rings.

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.

The embodiment is an anti-blocking single-screw pump, the structural schematic diagram of which is shown in fig. 1, the anti-blocking single-screw pump comprises a chassis 1, a pump rod 3 and an anti-blocking mechanism 5, the chassis 1 is arranged below the pump rod 3, a feeding pipe 2 and a discharging pipe 4 which are distributed at intervals are arranged on the pump rod 3, and the anti-blocking mechanism 5 is arranged at one end of the pump rod 3.

Referring to fig. 2, the anti-blocking mechanism 5 includes an auxiliary tube 6, a straight rod 9, a driving rod 10, and a rotating rod 11, wherein the auxiliary tube 6 is concentric with the pump rod 3, and a perforation 8 is provided in the auxiliary tube 6. A supporting frame 7 is fixed on the outer wall of the auxiliary pipe 6, and the bottom of the supporting frame 7 is fixedly connected with the chassis 1. The auxiliary pipe 6 is fixed above the chassis 1 through the supporting frame 7, so that the straight-going rod 9 can only keep straight-going movement when being stressed.

Referring to fig. 3 and 4, the straight rod 9 horizontally penetrates the through hole 8 to protrude toward the inside of the pump rod 3, and one end of the support rod toward the inside of the pump rod 3 has a tip 16. One end of the straight-going rod 9 far away from the tip 16 is movably connected with the driving rod 10, one end of the driving rod 10 far away from the straight-going rod 9 is rotatably connected with the rotating rod 11, the rotating rod 11 is of an L-shaped structure, and one end far away from the driving rod 10 is connected with the driving motor 14. The driving rod 10 is U-shaped towards one end of the straight rod 9, connecting shafts 15 are symmetrically distributed on the outer walls of the two sides of the straight rod 9, and the connecting shafts 15 are in corresponding and rotary connection with the driving rod 10. The driving lever 10 has a mounting hole toward one end of the rotating lever 11, and the end of the rotating lever 11 penetrates into the mounting hole and is rotatably connected thereto. The output shaft of the driving motor 14 is connected with a driving shaft 12, and the driving shaft 12 is fixedly connected with a rod 13 to be installed. The end of the pump rod 3 is provided with a through hole for the straight rod 9 to penetrate, the outer wall of the straight rod 9 penetrating into the pump rod 3 is sleeved with a sealing ring 17, and the sealing ring 17 corresponds to the through hole. A mounting rod 13 is fixedly arranged below the driving motor 14, and the bottom of the mounting rod 13 is fixedly connected with the chassis 1. When the tip end 16 of the straight rod 9 moves toward the inside of the pump rod 3, the blocked part inside the pump rod 3 can be broken, and as the straight rod 9 is broken continuously, the blocked part inside the pump rod 3 is dredged, and the flow rate can be recovered to carry out medium transmission.

Working principle: when the single-screw pump is used, the feed pipe 2 of the single-screw pump is communicated with a medium source to be conveyed, the discharge pipe 4 is communicated with a containing vessel for receiving the medium, and medium conveying can be performed, and in the conveying process, if the inside of the pump rod 3 is blocked due to high-viscosity medium conveying to influence the flow rate, the inside of the pump rod 3 is quickly dredged through the anti-blocking mechanism 5;

the driving motor 14 is started, the driving shaft 12 drives the mounting rod 13 to rotate in an annular mode, the end part of the rotating rod 11 is rotationally connected with the driving rod 10, then the driving rod 10 swings in an annular mode when stressed, the other end of the driving rod 10 is movably connected with the straight rod 9, the straight rod 9 moves along with the stressed force, the auxiliary pipe 6 is sleeved outside the straight rod 9, the straight rod 9 can only keep straight movement when stressed due to the fact that the auxiliary pipe 6 is fixed above the chassis 1 through the supporting frame 7, the straight rod 9 is stressed to move in a reciprocating mode along with continuous rotation of the mounting rod 13, when the tip part 16 of the straight rod 9 moves towards the inside of the pump rod 3, the blocking part inside the pump rod 3 can be broken, the blocking part inside the pump rod 3 can be dredged along with continuous breaking of the straight rod 9, the transmission of a medium can be recovered, at the moment, the driving motor 14 stops rotating, the driving rod 10 is driven to keep the original posture, the straight rod 9 is retracted to the side edge of the pump rod 3, and the medium flow inside the pump rod 3 cannot be influenced.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The anti-blocking single-screw pump comprises a chassis (1), a pump rod (3) and an anti-blocking mechanism (5), and is characterized in that the chassis (1) is arranged below the pump rod (3), a feeding pipe (2) and a discharging pipe (4) which are distributed at intervals are arranged on the pump rod (3), and the anti-blocking mechanism (5) is arranged at one end of the pump rod (3);

the anti-blocking mechanism (5) comprises an auxiliary pipe (6), a straight rod (9), a driving rod (10) and a rotating rod (11), wherein the auxiliary pipe (6) and the pump rod (3) are concentrically distributed, a through hole (8) is formed in the auxiliary pipe (6) in a penetrating mode, the straight rod (9) horizontally penetrates through the through hole (8) and stretches into the pump rod (3) towards the inside, and one end, facing the inside of the pump rod (3), of the supporting rod is provided with a tip portion (16);

the one end that tip (16) was kept away from to straight line pole (9) is connected with actuating lever (10) swing joint, the one end that straight line pole (9) was kept away from to actuating lever (10) rotates and connects rotary rod (11), rotary rod (11) are L shape structure, and the one end that keeps away from actuating lever (10) is connected with driving motor (14).

2. The anti-blocking single-screw pump according to claim 1, wherein one end of the driving rod (10) facing the straight-moving rod (9) is in a U-shaped structure, connecting shafts (15) are symmetrically distributed on the outer walls of two sides of the straight-moving rod (9), and the connecting shafts (15) are in corresponding and rotating connection with the driving rod (10).

3. A single screw pump as claimed in claim 2, wherein the end of the drive rod (10) facing the rotary rod (11) has a mounting hole, and the end of the rotary rod (11) is threaded into the mounting hole and is rotatably connected thereto.

4. A single screw pump as claimed in claim 3, characterised in that the output shaft of the drive motor (14) is connected with a drive shaft (12), the drive shaft (12) being fixedly connected with a rod (13) to be mounted.

5. The anti-blocking single-screw pump according to claim 1, wherein the end part of the pump rod (3) is provided with a through hole for the straight rod (9) to penetrate, the outer wall of the straight rod (9) penetrating into the pump rod (3) is sleeved with a sealing ring (17), and the sealing ring (17) corresponds to the through hole.

6. The anti-clogging single-screw pump as claimed in claim 1, wherein a mounting rod (13) is fixedly mounted below the driving motor (14), and the bottom of the mounting rod (13) is fixedly connected with the chassis (1).

7. The anti-clogging single screw pump as claimed in claim 1, wherein a supporting frame (7) is fixed on the outer wall of the auxiliary pipe (6), and the bottom of the supporting frame (7) is fixedly connected with the chassis (1).