CN217926277U

CN217926277U - Double-screw pump

Info

Publication number: CN217926277U
Application number: CN202221929805.0U
Authority: CN
Inventors: 李桦
Original assignee: Shenyang Chuangshi Yuli Hydraulic Equipment Co ltd
Current assignee: Shenyang Chuangshi Yuli Hydraulic Equipment Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-11-29
Anticipated expiration: 2032-07-25

Abstract

The utility model discloses a double-screw pump, it includes: the upper surface of the base is fixedly connected with a shell, and the upper surface of the base and one side of the shell are fixedly connected with a motor; the protection assembly comprises a fixed cylinder, the fixed cylinder is fixedly connected to the side wall of the shell, a sliding groove is formed in the side wall of the fixed cylinder, a moving cylinder is arranged inside the sliding groove, a fixing strip is fixedly connected to the top of the moving cylinder, a threaded hole is formed in the outer wall of the fixed cylinder, and a threaded column is connected to the inner thread of the threaded hole in a threaded manner; the output of motor is provided with first screw rod, the fixed cover of the first fixed cover of inner wall fixedly connected with and the second of shell, the inside of the fixed cover of first fixed cover and second is rotated and is connected with the second screw rod, the utility model discloses in, make the one end of a removal section of thick bamboo hug closely on the motor, fix with the screw thread post, prevent that the junction of motor and first screw rod from having the dust, watch the inside condition of a fixed section of thick bamboo at any time.

Description

Double-screw pump

Technical Field

The utility model relates to a screw pump field especially relates to a double-screw pump.

Background

The screw pump is a pump which makes water body spirally ascend along the axial direction by utilizing the rotation of a spiral blade. The screw pumps are divided into single screw pumps, twin screw pumps and triple screw pumps according to the number of screws. The screw pump device comprises a prime mover, a variable speed transmission device and a screw pump. The novel hydraulic pump has the advantages of simple structure, easiness in manufacturing, higher efficiency, convenience in maintenance, low lift and low rotating speed.

The one end and the motor of the screw rod of present double-screw pump are connected, drive the rotation of screw rod through the motor to with another screw rod meshing, make liquid discharge from one end toward the other end, some pumps do not have safeguard at motor and screw rod junction, let the junction expose in the outside, will lead to the junction to be stained with the dust, thereby influence the work of pump.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the two-screw pump that proposes can prevent that the junction of motor and screw from being stained with the dust.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a twin screw pump comprising: the upper surface of the base is fixedly connected with a shell, and the upper surface of the base, which is positioned on one side of the shell, is fixedly connected with a motor;

the protection assembly comprises a fixed cylinder, the fixed cylinder is fixedly connected to the side wall of the shell, a sliding groove is formed in the side wall of the fixed cylinder, a moving cylinder is arranged inside the sliding groove, a fixing strip is fixedly connected to the top of the moving cylinder, a threaded hole is formed in the outer wall of the fixed cylinder, and a threaded column is connected to the inner thread of the threaded hole in a threaded manner;

the output of motor is provided with first screw rod, the inner wall fixedly connected with first fixed cover of shell and the fixed cover of second, the inside rotation of first fixed cover and the fixed cover of second is connected with the second screw rod.

According to the double-screw pump, the inner wall of the shell is fixedly connected with the first baffle and the second baffle, and the first baffle and the second baffle are rotatably connected with the first screw and the second screw.

According to the double-screw pump, one end, far away from the motor, of the first screw is rotatably connected inside the first fixing sleeve.

According to the twin-screw pump, the antetheca fixedly connected with inlet pipe of shell, the back wall fixedly connected with discharging pipe of shell, the inlet pipe is provided with the inner tube with the inside of discharging pipe.

According to the twin-screw pump, the number of the threaded holes is multiple.

According to the twin-screw pump, the moving cylinder is connected in the sliding groove in a sliding mode through the fixing strip.

The utility model discloses following beneficial effect has:

1. make the one end of a removal section of thick bamboo hug closely on the motor, then fix with the screw post, can prevent that there is the dust in motor and the junction of first screw rod, can watch the condition of fixed section of thick bamboo inside at any time.

2. Liquid can only be moved from the feed pipe to the discharge pipe through the inner pipe, and the liquid cannot flow back into the water pipe.

Drawings

Fig. 1 is a schematic perspective view of a twin-screw pump according to the present invention;

fig. 2 is a front cross-sectional view of a twin-screw pump according to the present invention;

fig. 3 is a top cross-sectional view of a twin-screw pump according to the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 1 of a twin-screw pump according to the present invention;

fig. 5 is a partial enlarged view of B in fig. 2 of a twin-screw pump according to the present invention.

Wherein, 1, a base; 2. a motor; 3. a housing; 4. a feed pipe; 5. a discharge pipe; 6. a fixed cylinder; 7. moving the drum; 8. a threaded hole; 9. a threaded post; 10. a fixing strip; 11. a chute; 12. a first baffle plate; 13. a second baffle; 14. a first fixing sleeve; 15. a first screw; 16. a second screw; 17. a second fixing sleeve; 18. an inner tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: the utility model provides a two screw pump, base 1, the last fixed surface of base 1 is connected with shell 3, and the upper surface of base 1 just is located shell 3 one side fixedly connected with motor 2, and motor 2 can drive the rotation of first screw rod 15.

Protection component, protection component includes solid fixed cylinder 6, solid fixed cylinder 6 fixed connection is on the lateral wall of shell 3, spout 11 has been seted up to the lateral wall of solid fixed cylinder 6, the inside of spout 11 is provided with removes a section of thick bamboo 7, the top fixedly connected with fixed strip 10 of a removal section of thick bamboo 7, threaded hole 8 has been seted up to the outer wall of solid fixed cylinder 6, threaded hole 8's a plurality of quantity, threaded hole 8's inside threaded connection has screw thread post 9, remove a section of thick bamboo 7 and pass through fixed strip 10 sliding connection in spout 11, make the one end of a removal section of thick bamboo 7 hug closely on motor 2, then fix with screw thread post 9, can prevent that motor 2 and first screw rod 15's junction from having the dust, can watch the inside condition of solid fixed cylinder 6 at any time.

The output of motor 2 is provided with first screw rod 15, the first fixed cover 14 of inner wall fixedly connected with and the fixed cover 17 of second of shell 3, the inside of the fixed cover 17 of first fixed cover 14 and second rotates and is connected with second screw rod 16, first screw rod 15 and second screw rod 16 can cooperate, rotate as first screw rod 15, will drive second screw rod 16 and rotate, the one end that motor 2 was kept away from to first screw rod 15 rotates the inside of connecting at first fixed cover 14, first fixed cover 14 and the fixed cover 17 of second can let the tip of first screw rod 15 and second screw rod 16 in inside, can prevent that great wearing and tearing from appearing in first screw rod 15 and second screw rod 16 after long-time rotation.

The inner wall fixedly connected with first baffle 12 and second baffle 13 of shell 3, first baffle 12 and second baffle 13 rotate with first screw rod 15, second screw rod 16 and are connected, and liquid can only be between first baffle 12 and second baffle 13, can not flow to both sides, enables both sides tip can not receive the influence of liquid.

The antetheca fixedly connected with inlet pipe 4 of shell 3, the back wall fixedly connected with discharging pipe 5 of shell 3, inlet pipe 4 is provided with inner tube 18 with the inside of discharging pipe 5, the shape of inner tube 18 is the tesla valve, liquid can only follow the direction that the drawing description shows, up removal can only be followed to the following, when liquid backward flow, every pipeline all has two branches, one of them has turned back after an arc, it is relative with another pipeline, will lead to fluid from reverse entering pipeline after, the fluid of arc branch takes place the offset with the fluid of slope pipeline, lead to energy loss, can prevent the backward flow of liquid.

The working principle is as follows: motor 2 starts and to let first screw rod 15 rotate, thereby it rotates to drive second screw rod 16, inlet pipe 4 passes through flange and water piping connection, let water piping connection on inner tube 18, just can make water constantly enter into in the shell 3 through inner tube 18, discharge from the inner tube 18 department of discharging pipe 5 at last, make removal section of thick bamboo 7 come out from the inside of solid fixed cylinder 6 through pulling fixed strip 10, make the one end of removing a section of thick bamboo 7 hug closely on motor 2, then fix with screw post 9, can prevent that motor 2's the output and first screw rod 15's junction can not have the dust.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A twin screw pump, comprising: the motor comprises a base (1), wherein the upper surface of the base (1) is fixedly connected with a shell (3), and the upper surface of the base (1) and one side of the shell (3) are fixedly connected with a motor (2);

the protection assembly comprises a fixed cylinder (6), the fixed cylinder (6) is fixedly connected to the side wall of the shell (3), a sliding groove (11) is formed in the side wall of the fixed cylinder (6), a moving cylinder (7) is arranged inside the sliding groove (11), a fixing strip (10) is fixedly connected to the top of the moving cylinder (7), a threaded hole (8) is formed in the outer wall of the fixed cylinder (6), and a threaded column (9) is connected to the inner thread of the threaded hole (8);

the output of motor (2) is provided with first screw rod (15), the inner wall fixedly connected with first fixed cover (14) of shell (3) and the fixed cover of second (17), the inside rotation of first fixed cover (14) and the fixed cover of second (17) is connected with second screw rod (16).

2. A twin screw pump according to claim 1, characterised in that: the inner wall of the shell (3) is fixedly connected with a first baffle (12) and a second baffle (13), and the first baffle (12) and the second baffle (13) are rotatably connected with a first screw (15) and a second screw (16).

3. A twin screw pump according to claim 1, characterised in that: one end of the first screw rod (15) far away from the motor (2) is rotatably connected inside the first fixing sleeve (14).

4. A twin screw pump according to claim 1, characterised in that: the antetheca fixedly connected with inlet pipe (4) of shell (3), the back wall fixedly connected with discharging pipe (5) of shell (3), the inside of inlet pipe (4) and discharging pipe (5) is provided with inner tube (18).

5. A twin screw pump according to claim 1, characterised in that: the number of the threaded holes (8) is several.

6. A twin screw pump according to claim 1, characterised in that: the moving cylinder (7) is connected in the sliding groove (11) in a sliding way through a fixing strip (10).