CN112283116A

CN112283116A - Prevent leaking corrosion resistant chemical pump

Info

Publication number: CN112283116A
Application number: CN202011189239.XA
Authority: CN
Inventors: 李信凌; 胡步军; 华学; 王友飞
Original assignee: Tianchang Longyuan Pump Valve Co ltd
Current assignee: Tianchang Longyuan Pump Valve Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-01-29

Abstract

The invention discloses a leakage-proof corrosion-resistant chemical pump which comprises a base, wherein a shell is fixed on the upper surface of the base, a water outlet connector and a water inlet connector are respectively formed in the top and the side surface of the shell, a driving machine is fixedly arranged on the side surface of the shell, a rotating shaft is fixed at the output end of the driving machine, an impeller is fixed on the surface of the rotating shaft, sealing assemblies are respectively arranged on the side surfaces of the water outlet connector and the water inlet connector, and a mounting plate is arranged below the base. Through the matching of the structures, the corrosion resistance of the shell is increased by spraying the chromium coating on the inner wall and the surface of the shell, the service life of the chemical pump is prolonged, meanwhile, when the chemical pump works normally, vibration generated by the impeller can be buffered and damped, the normal operation of the chemical pump is guaranteed, and meanwhile, the performance of buffering and damping of the chemical pump can be adjusted according to the actual use condition, so that the chemical pump can adapt to the working environment which cannot be met.

Description

Prevent leaking corrosion resistant chemical pump

Technical Field

The invention relates to the technical field of chemical pumps, in particular to a leakage-proof corrosion-resistant chemical pump.

Background

Chemical pumps are widely used in the petroleum, chemical, metallurgical, synthetic fiber, pharmaceutical, food, synthetic fiber and other departments for conveying alkaline corrosive media; the chemical pump is used for conveying any acidic and alkaline corrosive medium; the chemical pump is used for industrial and urban water supply and drainage, can also be used for farmland and orchard irrigation and drainage, and is used for conveying clear water or other liquids with similar physical and chemical properties to the clear water,

chinese patent publication No. CN207420958U discloses a corrosion-resistant mechanical seal chemical pump, including the pump body and mechanical seal, the liner is installed to pump body one end, and the liner inboard is provided with preceding welt, pump body internally mounted has the impeller, and the inside pump shaft that runs through of impeller, the pump body other end is fixed with the back welt, and the back welt outside is provided with the pump cover, the pump cover outside is fixed with the suspension, mechanical seal sets up in the pump cover outside, and mechanical seal is located the suspension inboard, the inlet is installed to pump body upper end, suspension one side is fixed with preceding gland, and preceding gland mid-mounting has the bearing box, the end cover is installed in the bearing box outside.

Because this chemical pump is difficult for sealing up the connector department, leads to easily when being connected with external equipment, the phenomenon of leaking appears easily in both junctions, and the chemical pump is very easily shaked under normal behavior, appears the inside electronic components of chemical pump easily and drops or the condition of contact failure, reduces the life of chemical pump, has also produced the influence to the normal use of chemical pump, consequently needs improve.

Disclosure of Invention

The invention aims to provide a leakage-proof corrosion-resistant chemical pump, which has the advantages that the corrosion resistance of a shell is increased by spraying a chromium coating on the inner wall and the surface of the shell, the service life of the chemical pump is prolonged, meanwhile, when the chemical pump normally works, vibration generated by an impeller can be buffered and damped, the normal operation of the chemical pump is guaranteed, meanwhile, the performance of buffering and damping of the chemical pump can be adjusted according to the actual use condition, so that the chemical pump can adapt to the unavailable working environment, and the problems in the background art are solved.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a prevent leaking corrosion resistant chemical pump, includes the base, the last fixed surface of base has the casing, go out water connector and water inlet connector have been seted up respectively to the top and the side of casing, the side fixed mounting of casing has the driving machine, the output of driving machine is fixed with the pivot, and the fixed surface of pivot has the impeller, the side of going out water connector and water inlet connector all is equipped with seal assembly.

The below of base is equipped with the mounting panel, the lower fixed surface of base has the fixed column, and the left and right sides of fixed column all has articulated seat through bolt fixed mounting, the last fixed surface of mounting panel has two buffering subassemblies, and articulates between buffering subassembly and the articulated seat has the connecting rod, and the upper surface that is close to its left and right sides on the mounting panel all is fixed with the elasticity adjusting part who is used for adjusting buffering subassembly shock-absorbing capacity.

Preferably, the inner wall and the surface of the shell are sprayed with a chromium coating for increasing the corrosion resistance.

Preferably, the sealing assembly comprises annular grooves formed in the water outlet connector and the water inlet connector, a return spring is fixed to the inner wall of each annular groove, and a sealing ring is fixed to one end, far away from the impeller, of each return spring.

Preferably, a first spring is fixed at the bottom end of the fixing column, and the bottom end of the first spring is fixedly connected with the upper surface of the mounting plate.

Preferably, the buffering component comprises two fixed plates fixedly connected to the mounting plate, a guide rod is fixed between the two fixed plates, a sliding sleeve is sleeved on the surface of the guide rod, a second spring is sleeved on the surface of the guide rod, and two ends of the second spring are fixedly connected with the sliding sleeve and the side face of the mounting plate respectively.

Preferably, the elasticity adjusting part includes the hangers of fixed connection on the base left and right sides, and the last fixed surface of mounting panel has the screw rod that runs through the hangers, the surface cover of screw rod is equipped with spring three, the surperficial threaded connection of screw rod has the nut.

Compared with the prior art, the invention has the following beneficial effects:

according to the invention, the chromium coating is arranged, the corrosion resistance of the shell is improved, the service life of the chemical pump is prolonged, and the arrangement of the return spring and the sealing ring ensures that the sealing ring can be tightly abutted against the connecting part of the external equipment under the action of the elastic force of the return spring when the water outlet connector and the water inlet connector are both connected with the external equipment, so that the sealing property of the connecting part of the water outlet connector and the water inlet connector is improved, and the leakage condition is avoided.

The fixing column, the hinge seat, the connecting rod, the fixing plate, the guide rod, the second spring, the sliding sleeve and the first spring are arranged, so that when the chemical pump works normally and generates vibration, the fixing column is driven to move downwards through the base, the first spring is extruded by the downward movement of the fixing column, and the sliding sleeve is pushed to slide on the surface of the guide rod under the action of the connecting rod, so that the second spring is extruded, the vibration force generated by the chemical pump is converted into elastic potential energy of the first spring and the second spring, and the effect of buffering and vibration reduction is achieved on the chemical pump rod; and through the setting of hangers, screw rod, spring three and nut, because screw rod and nut threaded connection rotate the nut for the nut can extrude hangers and base downstream, thereby can extrude spring one, spring two and spring three, has changed the elastic potential energy of spring, can adjust the absorbing performance of buffering to the chemical industry pump promptly, makes the chemical industry pump can adapt to the operational environment that can not.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is an enlarged view of the structure of the present invention at A.

In the figure: 1. a base; 2. a housing; 3. a water outlet connector; 4. a water inlet connector; 5. a driver; 6. a rotating shaft; 7. an impeller; 8. mounting a plate; 9. fixing a column; 10. a hinged seat; 11. a connecting rod; 12. a return spring; 13. a seal ring; 14. a first spring; 15. a fixing plate; 16. a guide bar; 17. a sliding sleeve; 18. a second spring; 19. hanging a lug; 20. a screw; 21. a third spring; 22. and (4) a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: and (4) environmental conditions.

Although the chemical pump of the present invention has been shown and described as being leak-proof and corrosion-resistant, it comprises a base 1, and a casing 2 is fixed to the upper surface of the base 1.

Further, the inner wall and the surface of the shell 2 are both sprayed with chromium coatings for increasing the corrosion resistance, and the arrangement of the chromium coatings (not shown in the figure) increases the corrosion resistance of the shell and prolongs the service life of the chemical pump.

The water outlet connector 3 and the water inlet connector 4 are respectively arranged at the top and the side of the shell 2, the driving machine 5 is fixedly arranged on the side of the shell 2, the rotating shaft 6 is fixed at the output end of the driving machine 5, the impeller 7 is fixed on the surface of the rotating shaft 6, and the sealing assemblies are respectively arranged on the side surfaces of the water outlet connector 3 and the water inlet connector 4.

Further, the sealing assembly comprises annular grooves formed in the water outlet connecting port 3 and the water inlet connecting port 4, a return spring 12 is fixed to the inner wall of each annular groove, and a sealing ring 13 is fixed to one end, far away from the impeller 7, of each return spring 12. Through the setting of reset spring 12 and sealing washer 13 for when going out water connector 3 and intaking connector 4 all is connected with external equipment, under the effect of reset spring 12 elasticity, make the sealing washer 13 can be tight with the connecting portion butt of external equipment, increased the leakproofness of both junctions, avoided appearing the condition of leaking

The below of base 1 is equipped with mounting panel 8, and the lower surface of base 1 is fixed with fixed column 9.

Furthermore, the bottom end of the fixed column 9 is fixed with a first spring 14, and the bottom end of the first spring 14 is fixedly connected with the upper surface of the mounting plate 8, when the chemical pump works to generate vibration, the base 1 can drive the fixed column 9 to move downwards, so that the fixed column 9 can extrude the first spring 14, and the vibration force generated by the chemical pump is partially converted into the elastic force of the first spring 14.

And the left and right sides of fixed column 9 all has articulated seat 10 through bolt fixed mounting, and the upper surface mounting of mounting panel 8 has two buffering subassemblies, and articulates between buffering subassembly and the articulated seat 10 to have connecting rod 11.

Further, the buffer assembly comprises two fixed plates 15 fixedly connected to the mounting plate 8, a guide rod 16 is fixed between the two fixed plates 15, a sliding sleeve 17 is sleeved on the surface of the guide rod 16, a second spring 18 is sleeved on the surface of the guide rod 16, two ends of the second spring 18 are respectively fixedly connected with the sliding sleeve 17 and the side face of the mounting plate 8, and the chemical pump works normally and generates vibration, the base 1 drives the fixing column 9 to move downwards, the fixing column 9 moves downwards, the base 1 moves downwards to extrude a third spring 21, and under the action of the connecting rod 11, the sliding sleeve 17 is pushed to slide on the surface of the guide rod 16, so that the second spring 18 can be extruded, part of vibration force generated by the chemical pump is converted into elastic potential energy of the second spring 18 and the third spring 21, and the effect of buffering and vibration reduction is achieved for the chemical pump.

And the upper surfaces of the mounting plate 8 close to the left side and the right side of the mounting plate are respectively fixed with an elastic adjusting component for adjusting the buffering performance of the buffering component.

Further, the elastic adjusting component comprises hanging lugs 19 fixedly connected on the left side and the right side of the base 1, and the upper surface of the mounting plate 8 is fixed with a screw 20 penetrating through the hanging lug 19, the surface of the screw 20 is sleeved with a spring III 21, the surface of the screw 20 is connected with a screw cap 22 in a threaded manner, since the screw 20 is screwed with the nut 22, the nut 22 is rotated, so that the nut 22 presses the hanging lug 19 and the base 1 to move downwards, thereby compressing the first spring 14, the second spring 18 and the third spring 21, changing the elastic potential energy of the springs, namely, the performance of buffering and shock absorption of the chemical pump can be adjusted, so that the chemical pump can adapt to the embodiment of the working ring which cannot work, 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. The utility model provides a prevent leaking corrosion resistant chemical pump, includes base (1), the last fixed surface of base (1) has casing (2), go out water connector (3) and water connector (4) have been seted up respectively to the top and the side of casing (2), the side fixed mounting of casing (2) has driving machine (5), the output of driving machine (5) is fixed with pivot (6), and the fixed surface of pivot (6) has impeller (7), its characterized in that: the side surfaces of the water outlet connector (3) and the water inlet connector (4) are respectively provided with a sealing component;

the below of base (1) is equipped with mounting panel (8), the lower fixed surface of base (1) has fixed column (9), and the left and right sides of fixed column (9) all has articulated seat (10) through bolt fixed mounting, the upper surface mounting of mounting panel (8) has two buffering subassemblies, and it has connecting rod (11) to articulate between buffering subassembly and articulated seat (10), and the upper surface that is close to its left and right sides on mounting panel (8) all is fixed with the elastic adjusting component who is used for adjusting buffering subassembly shock-absorbing capacity.

2. A leak resistant and corrosion resistant chemical pump as defined in claim 1, wherein: the inner wall and the surface of the shell (2) are both sprayed with chromium coatings for improving the corrosion resistance.

3. A leak resistant and corrosion resistant chemical pump as defined in claim 1, wherein: the sealing assembly comprises annular grooves formed in the water outlet connector (3) and the water inlet connector (4), a return spring (12) is fixed to the inner wall of each annular groove, and a sealing ring (13) is fixed to one end, far away from the impeller (7), of each return spring (12).

4. A leak resistant and corrosion resistant chemical pump as defined in claim 1, wherein: the bottom end of the fixed column (9) is fixedly provided with a first spring (14), and the bottom end of the first spring (14) is fixedly connected with the upper surface of the mounting plate (8).

5. A leak resistant and corrosion resistant chemical pump as defined in claim 1, wherein: the buffer assembly comprises two fixing plates (15) fixedly connected to the mounting plate (8), a guide rod (16) is fixed between the two fixing plates (15), a sliding sleeve (17) is sleeved on the surface of the guide rod (16), a second spring (18) is sleeved on the surface of the guide rod (16), and the two ends of the second spring (18) are fixedly connected with the sliding sleeve (17) and the side face of the mounting plate (8) respectively.

6. A leak resistant and corrosion resistant chemical pump as defined in claim 1, wherein: elasticity adjusting part includes hangers (19) of fixed connection on base (1) the left and right sides, and the last fixed surface of mounting panel (8) has screw rod (20) of running through hangers (19), the surface cover of screw rod (20) is equipped with three (21) of spring, the surperficial threaded connection of screw rod (20) has nut (22).