CN216742796U - Impeller sealing tool - Google Patents

Abstract

The utility model relates to a field of mechanical frock specifically discloses an impeller seal frock, including first seal assembly, second seal assembly and third seal assembly, first seal assembly includes the sealing washer, and the sealing washer is used for sealing the surface groove, and the second seal assembly includes first block cap, and first block cap is used for sealing first opening, and third seal assembly includes the apron, and the apron is used for sealing the second opening. The present application may seal the non-oxidized region of the impeller.

Description

Impeller sealing tool

Technical Field

The application relates to the technical field of mechanical tools, in particular to an impeller sealing tool.

Background

As shown in fig. 1, a surface groove 011 is formed on an outer surface of an impeller 1 along a circumferential direction of the impeller 1, one end of the impeller 1 is a first opening 012, and the other end of the impeller 1 is a second opening 013.

In order to improve the performance of the outer surface of the impeller, the impeller needs to be put into the acidic oxidizing solution to oxidize the outer surface of the impeller, but the inner part of the impeller and the wall of the surface groove cannot be oxidized, otherwise the impeller is scrapped. The impeller sealing tool is provided, so that an impeller is sealed before oxidation is carried out, and the oxidation requirement of the impeller is met.

SUMMERY OF THE UTILITY MODEL

In order to seal the non-oxidation area of the impeller, the application provides an impeller sealing tool.

The application provides a pair of impeller seal frock, including first seal assembly, second seal assembly and third seal assembly, first seal assembly includes the sealing washer, the sealing washer is used for sealing up the surface groove, the second seal assembly includes first closing cap, first closing cap is used for sealing up first opening, third seal assembly includes the apron, the apron is used for sealing up the second opening.

Through adopting above-mentioned technical scheme, the sealing washer seals the surface groove on the impeller, reduced the oxidation liquid and flowed into in the surface groove, cause the possibility of oxidation to the cell wall of surface groove, first block lid is sealed the first opening of impeller, the apron is sealed the second opening of impeller, the possibility that the oxidation liquid flowed into the impeller inside has been reduced, through first seal assembly, second seal assembly and third seal assembly seal the surface groove and the inner chamber of impeller, make the oxidizing solution only can oxidize the impeller surface.

Optionally, the first sealing assembly includes a hoop, the hoop abuts against the sealing ring, and the hoop is used for abutting against the sealing ring on the impeller.

By adopting the technical scheme, the sealing ring is tightly abutted to the outer surface of the impeller through the hoop, and a gap between the sealing ring and the surface of the impeller is further sealed, so that the sealing effect of the sealing ring on the surface groove is improved, and the possibility of oxidizing liquid flowing into the surface groove is further reduced.

Optionally, a first sealing gasket is arranged between the first sealing cap and the impeller, and a second sealing gasket is arranged between the cover plate and the impeller.

Through adopting above-mentioned technical scheme, the setting of first sealed pad has reduced the inside possibility of oxidizing liquid from first opening inflow impeller, and the setting of second sealed pad has reduced the oxidizing liquid and has got into the inside possibility of impeller from the second opening, has promoted the sealed effect to the impeller inner chamber.

Optionally, a connecting block is arranged inside the impeller, the connecting block abuts against the top wall of the inner cavity of the impeller, and the first sealing cap is connected with the connecting block through a first connecting piece.

Through adopting above-mentioned technical scheme, the connecting block links together first closing cap and connecting block through first connecting piece with the roof of impeller inner chamber back that offsets tightly, can make first closing cap carry out the shutoff to first opening more stably.

Optionally, the first connecting pieces are provided with a plurality of first connecting pieces, and the plurality of first connecting pieces are uniformly arranged on the connecting blocks.

Through adopting above-mentioned technical scheme, a plurality of first connecting pieces are connected connecting block and first closing cap simultaneously and are fixed, make first closing cap can carry out the shutoff to first opening more steadily.

Optionally, the cover plate is connected with the connecting block through a second connecting piece.

Through adopting above-mentioned technical scheme, the second connecting piece links to each other apron and connecting piece, makes the apron more stable to second open-ended sealed.

Optionally, a second sealing cap is arranged on the cover plate, the second sealing cap is in threaded connection with the second connecting piece, a third sealing gasket is arranged between the second sealing cap and the cover plate, and the second sealing cap abuts against the third sealing gasket on the cover plate.

Through adopting above-mentioned technical scheme, support tightly to the apron through the screw-thread fit of second closing cap lid and second connecting piece, make the apron carry out the closing cap to the second opening tighter, the setting of third sealed pad is sealed the clearance between apron and the impeller simultaneously, makes the apron better to the sealed effect of second opening.

Optionally, the cover plate is provided with an air hole, and a plug is arranged in the air hole.

By adopting the technical scheme, after the impeller is sealed, the pressure is applied to the inside of the impeller through the air holes so as to detect whether the impeller is well sealed, and after the impeller is well sealed, the impeller is put into the oxidizing liquid to oxidize the outer surface.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the sealing ring seals the surface groove on the impeller, so that the possibility that oxidizing liquid flows into the surface groove to oxidize the groove wall of the surface groove is reduced, the first sealing cap seals the first opening of the impeller, the cover plate seals the second opening of the impeller, the possibility that the oxidizing liquid flows into the impeller is reduced, and the surface groove and the inner cavity of the impeller are sealed through the first sealing assembly, the second sealing assembly and the third sealing assembly, so that the oxidizing liquid only oxidizes the outer surface of the impeller;

2. after the connecting block is abutted against the top wall of the inner cavity of the impeller, the first sealing cap is connected with the connecting block through the first connecting piece, so that the first sealing cap can more stably seal the first opening;

3. the cover plate is abutted tightly through the threaded matching of the second sealing cap and the second connecting piece, so that the cover plate more tightly seals the second opening, and meanwhile, the gap between the cover plate and the impeller is sealed through the arrangement of the third sealing gasket, so that the sealing effect of the cover plate on the second opening is better.

Drawings

Fig. 1 is a schematic diagram for embodying the structure of an impeller.

Fig. 2 is a schematic view for embodying the present embodiment used with an impeller.

Fig. 3 is a half sectional view for embodying the present embodiment used with an impeller.

Description of reference numerals:

1. an impeller; 011. a surface groove; 012. a first opening; 013. a second opening; 2. a first seal assembly; 21. a seal ring; 22. hooping; 221. encircling; 222. edge extension; 3. a second seal assembly; 31. a first capping cap; 32. a first gasket; 4. a third seal assembly; 41. a cover plate; 411. air holes; 42. a second gasket; 5. connecting blocks; 6. a fourth gasket; 7. a first connecting member; 8. a second connecting member; 9. a plug; 10. a second capping cap; 11. and a third gasket.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses impeller seal frock.

Referring to fig. 1 and 2, an impeller sealing tool includes a first seal assembly 2 sealing a surface groove 011, a second seal assembly 3 sealing a first opening 012, and a third seal assembly 4 sealing a second opening 013.

Referring to fig. 1 and 2, the first sealing assembly 2 includes a sealing ring 21 and a hoop 22, the sealing ring 21 is coaxially sleeved outside the impeller 1 to seal the surface groove 011, and an inner annular wall of the sealing ring 21 is attached to an outer annular wall of the impeller 1; the anchor ear 22 includes an embracing ring 221, a notch is formed in the embracing ring 221, extending edges 222 are arranged at openings on two sides of the notch, the extending edges 222 and the anchor ear 221 are integrally formed, the two extending edges 222 are parallel to each other, bolts are arranged on the two extending edges 222, the bolts penetrate the two extending edges 222 simultaneously, nuts are connected to the bolts through threads, the nuts abut against one of the extending edges 222, and the seal ring 21 abuts against the impeller 11.

Referring to fig. 1 and 2, after the seal ring 21 seals the surface groove 011, the seal ring 21 is fixed to the impeller 1 by the anchor 22, thereby reducing the possibility that the oxidizing liquid flows into the surface groove 011.

Referring to fig. 3, the second sealing assembly 3 includes a first sealing cap 31 coaxially disposed with the first opening 012, an end surface of the first sealing cap 31 contacting with the first opening 012 is larger than an opening of the first opening 012, a first gasket 32 is coaxially disposed between the first sealing cap 31 and the impeller 1, the first gasket 32 is attached to the impeller 1, and the first sealing cap 31 abuts against the first gasket 32; coaxially in impeller 1's the inner chamber be provided with connecting block 5, connecting block 5 is made of aluminium, coaxially between connecting block 5 and impeller 1's the inner chamber roof be provided with the sealed 6 of fourth, connecting block 5 is sealed 6 and impeller 1's the inner chamber roof of packing, evenly be provided with the first connecting piece 7 of a plurality of on the connecting block 5, first connecting piece 7 adopts the bolt, first connecting piece 7 passes connecting block 5 and first block lid 31 threaded connection.

Referring to fig. 3, the first capping cap 31 and the connection block 5 are connected by a plurality of first connection pieces 7, so that the first capping cap 31 and the impeller 1 are fixed to each other, and the first opening 012 is sealed, and meanwhile, the first gasket 32 seals a gap between the first capping cap 31 and the impeller 1, thereby further reducing the possibility that the oxidizing liquid flows into the impeller 1 from the first opening 012.

Referring to fig. 3, the third seal assembly 4 includes a cover plate 41 coaxially disposed with the second opening 013, an end surface of the cover plate 41 is larger than the opening of the second opening 013, a second seal 42 is coaxially disposed between the cover plate 41 and the impeller 1, the second seal 42 is attached to the impeller 1, the cover plate 41 is attached to the second seal 42, a second connecting member 8 is coaxially disposed on the cover plate 41, a middle section of the second connecting member 8 is a polished rod, and both ends of the second connecting member 8 are provided with threads, the second connecting member 8 is vertically disposed, one end of the second connecting member 8 is located on a side of the cover plate 41 away from the impeller 1, the other end of the second connecting member 8 passes through the cover plate 41 and is in threaded connection with the connecting block 5, a second seal cap 10 is disposed on a side of the cover plate 41 away from the impeller 1, the second seal cap 10 is in threaded connection with an end of the second connecting member 8, a third seal 11 is coaxially disposed between the second seal cap 10 and the cover plate 41, the third gasket 11 is attached to the cover plate 41, and the second cap 10 is tightly abutted to the third gasket.

Referring to fig. 3, the second connecting member 8 penetrates through the cover plate 41, after the upper end of the second connecting member 8 is in threaded connection with the connecting block 5, and after the other end of the second connecting member 8 is in threaded connection with the second sealing cap 10, the second sealing cap 10 tightly supports the cover plate 41, so that the cover plate 41 blocks the second opening 013, meanwhile, the third sealing gasket 11 seals a gap between the cover plate 41 and the impeller 1, and the possibility that oxidizing liquid enters the impeller 1 from the second opening 013 is further reduced.

Referring to fig. 3, the cover plate 41 is provided with an air hole 411, the air hole 411 penetrates through the cover plate 41 and the third seal gasket 11 to be communicated with the inner cavity of the impeller 1, and a plug 9 is arranged in the air hole 411.

Referring to fig. 3, after the impeller 1 is sealed, the inside of the impeller 1 is pressurized through the air hole 411 to detect whether the impeller 1 is well sealed, and after the impeller 1 is well sealed, the air hole 411 is sealed by the plug 9, and then the impeller is put into an oxidizing solution to oxidize the outer surface.

The implementation principle of the embodiment of the application is as follows: when the impeller 1 is sealed, the seal ring 21 is sleeved outside the impeller 1, so that the seal ring 21 covers the surface groove 011, and the seal ring 21 is fixed on the impeller 1 through the hoop 22. Subsequently, the connecting block 5 is placed in the inner cavity of the impeller 1, the first sealing cap 31 is used to seal the first opening 012, and the first connecting member 7 is used to connect the first sealing cap 31 and the connecting block 5, so that the first sealing cap 31 seals the first opening 012. The cover plate 41 is used for covering the second opening 013, one end of the second connecting piece 8 penetrates through the cover plate 41 to be in threaded connection with the connecting block 5, the other end of the second connecting piece 8 is in threaded connection with the second sealing cap 10, the second sealing cap 10 abuts against the cover plate 41 tightly, and the cover plate 41 is used for sealing the second opening 013. Finally, the tightness of the impeller 1 is detected through the air holes 411, and after the detection is qualified, the impeller 1 is placed in an oxidizing liquid for surface oxidation.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides an impeller seal frock which characterized in that: including first seal assembly (2), second seal assembly (3) and third seal assembly (4), first seal assembly (2) includes sealing washer (21), sealing washer (21) are used for sealing surface groove (011), second seal assembly (3) includes first closing cap (31), first closing cap (31) are used for sealing first opening (012), third seal assembly (4) includes apron (41), apron (41) are used for sealing second opening (013).

2. The impeller sealing tool according to claim 1, characterized in that: the first sealing assembly (2) comprises a hoop (22), the hoop (22) is abutted to the sealing ring (21), and the hoop (22) is used for abutting the sealing ring (21) to the impeller (1).

3. The impeller sealing tool according to claim 2, characterized in that: a first sealing gasket (32) is arranged between the first sealing cap (31) and the impeller (1), and a second sealing gasket (42) is arranged between the cover plate (41) and the impeller (1).

4. The impeller sealing tool according to claim 3, characterized in that: the impeller (1) is internally provided with a connecting block (5), the connecting block (5) is abutted to the top wall of the inner cavity of the impeller (1), and the first sealing cap (31) is connected with the connecting block (5) through a first connecting piece (7).

5. The impeller sealing tool according to claim 4, characterized in that: the first connecting pieces (7) are provided with a plurality of first connecting pieces (7), and the first connecting pieces (7) are uniformly arranged on the connecting blocks (5).

6. The impeller sealing tool according to claim 5, characterized in that: the cover plate (41) is connected with the connecting block (5) through a second connecting piece (8).

7. The impeller sealing tool according to claim 6, characterized in that: the cover plate (41) is provided with a second sealing cap (10), the second sealing cap (10) is in threaded connection with the second connecting piece (8), a third sealing gasket (11) is arranged between the second sealing cap (10) and the cover plate (41), and the second sealing cap (10) tightly presses the third sealing gasket (11) against the cover plate (41).

8. The impeller sealing tool according to claim 7, characterized in that: an air hole (411) is formed in the cover plate (41), and a plug (9) is arranged in the air hole (411).

Images