CN214836959U

CN214836959U - Large-scale water pump shell of ultra-low temperature

Info

Publication number: CN214836959U
Application number: CN202121767284.9U
Authority: CN
Inventors: 任亚东; 雷伟; 黄荣
Original assignee: Sichuan Hengrui Machinery Manufacturing Co ltd
Current assignee: Sichuan Hengrui Machinery Manufacturing Co ltd
Priority date: 2021-07-31
Filing date: 2021-07-31
Publication date: 2021-11-23
Anticipated expiration: 2031-07-31

Abstract

The utility model discloses a large-scale water pump shell of ultra-low temperature, which comprises a mounting seat, the up end of mount pad is provided with the supporting shoe, the upper end of supporting shoe is provided with first casing, it is equipped with the water pump body to insert in the first casing, the through-hole has been seted up to the one end of first casing, the through-hole is interpenetrated and is equipped with the connecting pipe, the top of connecting pipe is provided with the water supply connector, the water inlet end of water pump body is provided with the screw thread cutting ferrule, the one end screw in screw thread cutting ferrule that the through-hole was worn out to the connecting pipe, one side of first casing is connected with the second casing through the flange, one side of second casing has the third casing through the flange connection, insert the water pump body into first casing earlier, then insert the one end of connecting pipe into the through-hole and screw in screw thread cutting ferrule locking, then fix the second casing with first casing through the flange in proper order; then, pass through flange fixed connection with second casing and third casing again to accomplish the installation operation to the large-scale water pump shell of ultra-low temperature, convenient operation is simple.

Description

Large-scale water pump shell of ultra-low temperature

Technical Field

The utility model belongs to the technical field of the ultra-low temperature water pump, concretely relates to large-scale water pump shell of ultra-low temperature.

Background

The ultra-low temperature pump is a special pump for conveying low-temperature liquefied gas. The device is mainly used for conveying liquid hydrocarbon, liquefied natural gas, liquid oxygen, liquid nitrogen and the like. Due to the small changes of pressure and temperature, liquefied gas is easy to gasify, and the problem that components of the ultralow-temperature water pump are easy to generate low-temperature brittle fracture due to the deterioration of suction performance or local supercooling is caused, and the protection of the ultralow-temperature water pump is particularly important.

The effectual not good enough of ultra-low temperature water pump barrier propterty of current ultra-low temperature water pump shell physical stamina, and when the water pump shell installation, especially when carrying out protective housing installation to the large-scale water pump of ultra-low temperature, because current casing is mostly integral type mounting structure, the installation of the casing of being not convenient for and the maintenance in later stage are dismantled.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a large-scale water pump shell of ultra-low temperature to there is the problem of the installation of not being convenient for among the solution prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a large-scale water pump shell of ultra-low temperature, includes the mount pad, the up end of mount pad is provided with the supporting shoe, the upper end of supporting shoe is provided with first casing, it is equipped with the water pump body to insert in the first casing, the through-hole has been seted up to the one end of first casing, the through-hole interlude has the connecting pipe, the top of connecting pipe is provided with water supply connector, the end of intaking of water pump body is provided with the screw thread cutting ferrule, the connecting pipe is worn out in the one end screw in screw thread cutting ferrule of through-hole, there is the second casing one side of first casing through flange joint, there is the third casing one side of second casing through flange joint, the play water end that the second casing and third casing were worn out in proper order to the water pump body is connected with out water swivel.

Preferably, the inner walls of the first shell, the second shell and the third shell are all provided with protective layers.

Preferably, one side of the second shell is provided with a first sealing ring, one side of the first shell is provided with a first sealing groove, the first sealing ring is inserted into the first sealing groove, two ends of the inner wall of the second shell are provided with fixing blocks, and the two fixing blocks respectively abut against two ends of the outer wall of the water pump body.

Preferably, a second sealing groove is formed in one side of the second shell, a second sealing ring is arranged on one side of the third shell, and the second sealing ring is inserted into the second sealing groove.

Preferably, the mounting seat is provided with a fixing hole.

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

1. the utility model discloses insert the water pump body earlier in the first casing, then insert through-hole and screw in screw thread cutting ferrule locking with the one end of connecting pipe, then wear out the second casing with the water pump body, insert first sealing ring in the first seal groove, then with first casing and second casing fixed connection through the flange bolt, and make two fixed blocks carry out the centre gripping to the water pump body from top to bottom fixed, then wear out the third casing again with the water pump body, insert the second seal groove with the second sealing ring in, and carry out fixed connection with second casing and third casing through the flange bolt, and strengthen casing to water pump body barrier propterty through the inoxidizing coating, thereby accomplish the installation operation to the large-scale water pump casing of ultra-low temperature, and is convenient and simple in operation.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a front cut-away schematic view of FIG. 1;

FIG. 3 is a schematic top view of FIG. 1;

FIG. 4 is an enlarged view of a portion a of FIG. 2;

FIG. 5 is an enlarged view of FIG. 2 at b;

fig. 6 is an enlarged schematic view of fig. 2 at c.

In the figure: 1. a mounting seat; 2. a support block; 3. a first housing; 4. a water pump body; 5. a through hole; 6. a connecting pipe; 7. a water inlet joint; 8. a threaded ferrule; 9. a second housing; 10. a third housing; 11. a water outlet joint; 12. a protective layer; 13. a first seal ring; 14. a first seal groove; 15. a fixed block; 16. a second seal groove; 17. a second seal ring; 18. and (7) fixing holes.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in figures 1, 2, 3, 4, 5 and 6, the embodiment of the utility model provides a large-scale water pump shell of ultra-low temperature, including mount pad 1, the up end welding of mount pad 1 has supporting shoe 2, the upper end welding of supporting shoe 2 has first casing 3, first casing 3 interpolation is equipped with water pump body 4, through-hole 5 has been seted up to the one end of first casing 3, connecting pipe 6 has been alternate in the through-hole 5, the top welding of connecting pipe 6 has water supply connector 7, the end welding of intaking of water pump body 4 has screw thread cutting ferrule 8, the one end screw in screw thread cutting ferrule 8 that through-hole 5 was worn out to connecting pipe 6, the left side of first casing 3 has second casing 9 through flange joint, the left side of second casing 9 has third casing 10 through flange joint, the water outlet end welding joint that water pump body 4 worn out second casing 9 and third casing 10 in proper order has water connectors 11, first casing 3, The inner walls of the second shell 9 and the third shell 10 are connected with a protective layer 12 through sealant in an adhesive manner, and the protective layer 12 is made of soft silica gel.

Referring to fig. 1, 2, 3, 4, 5 and 6, a first sealing ring 13 is adhered to the right side of a second housing 9 through a sealant, the first sealing ring 13 is made of a soft plastic material, a first sealing groove 14 is formed in the left side of the first housing 3, the first sealing groove 14 is of an annular groove structure, the first sealing ring 13 is inserted into the first sealing groove 14 in a sliding manner, fixing blocks 15 are welded to the upper end and the lower end of the inner wall of the second housing 9, the two fixing blocks 15 respectively abut against the upper end and the lower end of the outer wall of the water pump body 4, a second sealing groove 16 is formed in the right side of the second housing 9, the second sealing groove 16 is of an annular groove structure, a second sealing ring 17 is adhered to the left side of a third housing 10 through the sealant, the second sealing ring 17 is made of a soft silica gel material, the second sealing ring 17 is inserted into the second sealing groove 16 in a sliding manner, a fixing hole 18 is formed in a mounting base 1, and the number of the fixing holes 18 is 12, and screwing one end of the bolt penetrating through the fixing hole 18 into a reserved threaded hole on the mounting frame to complete the mounting and fixing operation of the water pump shell.

The working principle of the embodiment is as follows: insert water pump body 4 in first casing 3 earlier, then insert through-hole 5 and screw in screw thread cutting ferrule 8 locking with the one end of connecting pipe 6, then wear out second casing 9 with water pump body 4, insert first sealing ring 13 in first seal groove 14, then with first casing 3 and second casing 9 fixed connection through the flange bolt, and make two upper and lower fixed blocks 15 carry out the centre gripping to water pump body 4 fixed, then wear out third casing 10 with water pump body 4 again, insert second sealing ring 17 in second seal groove 16, and carry out fixed connection with second casing 9 and third casing 10 through the flange bolt, and strengthen casing through inoxidizing coating 12 and to water pump body 4 barrier propterty, thereby accomplish the installation operation to the large-scale water pump casing, and convenient operation is simple.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Claims

1. The utility model provides a large-scale water pump casing of ultra-low temperature which characterized in that: comprises a mounting seat (1), a supporting block (2) is arranged on the upper end surface of the mounting seat (1), a first shell (3) is arranged at the upper end of the supporting block (2), a water pump body (4) is inserted into the first shell (3), one end of the first shell (3) is provided with a through hole (5), a connecting pipe (6) is inserted in the through hole (5), a water inlet joint (7) is arranged at the top end of the connecting pipe (6), a threaded clamping sleeve (8) is arranged at the water inlet end of the water pump body (4), one end of the connecting pipe (6) penetrating through the through hole (5) is screwed into the threaded clamping sleeve (8), one side of the first shell (3) is connected with a second shell (9) through a flange, one side of the second shell (9) is connected with a third shell (10) through a flange, the water pump body (4) sequentially penetrates through the water outlet ends of the second shell (9) and the third shell (10) to be connected with a water outlet connector (11).

2. The ultra-low temperature large water pump housing according to claim 1, wherein: the inner walls of the first shell (3), the second shell (9) and the third shell (10) are all provided with protective layers (12).

3. A ultra-low temperature large water pump housing according to claim 2, wherein: one side of second casing (9) is provided with first sealing ring (13), first seal groove (14) have been seted up to one side of first casing (3), first sealing ring (13) insert in first seal groove (14), the inner wall both ends of second casing (9) are provided with fixed block (15), two fixed block (15) support the outer wall both ends of water pump body (4) respectively.

4. A ultra-low temperature large water pump housing according to claim 2, wherein: a second sealing groove (16) is formed in one side of the second shell (9), a second sealing ring (17) is arranged on one side of the third shell (10), and the second sealing ring (17) is inserted into the second sealing groove (16).

5. The ultra-low temperature large water pump housing according to claim 1, wherein: the mounting seat (1) is provided with a fixing hole (18).