CN213144851U

CN213144851U - Sealing structure of deep water pump

Info

Publication number: CN213144851U
Application number: CN202021992654.4U
Authority: CN
Inventors: 孙韶更; 王珊珊; 孙书恒; 路志红; 武秀香; 张新红
Original assignee: Shijiazhuang Shiyi Pump Co ltd
Current assignee: Shijiazhuang Shiyi Pump Co ltd
Priority date: 2020-09-12
Filing date: 2020-09-12
Publication date: 2021-05-07
Anticipated expiration: 2030-09-12

Abstract

The utility model relates to a water pump technical field just discloses a deep water pump seal structure, including the urceolus, the bottom surface welded fastening of urceolus has the inlet tube, the up end welded fastening of urceolus has the outlet pipe, the inside top surface welded fastening of urceolus has the spring section of thick bamboo, the inside top surface of urceolus and the outside welded fastening that is located the spring section of thick bamboo have the screw rod, the surface of screw rod has cup jointed the seal cover and is located the inside activity of urceolus bottom surface, the bottom of screw rod and the bottom surface threaded connection that is located the urceolus have the nut, the inside bottom surface of urceolus and the inside welded fastening that is located the spring section of thick bamboo have the pump body, the top welded fastening of the pump body has lower flange, the surface welded fastening of outlet pipe has the upper flange. According to the sealing structure of the deep water pump, the outer cylinder is placed in deep water, and the sealing locking device can prevent the water seepage of the pump body in the pumping process, so that the service life of the pump body is prolonged.

Description

Sealing structure of deep water pump

Technical Field

The utility model relates to a water pump technical field specifically is a deep water pump seal structure.

Background

Deep-water pump plays important role in production life, because deep-water pump and motor are installed in the deep-water, the motor needs the cable junction power, therefore the motor casing need keep sealed, avoid intaking in the motor, existing deep-water pump is for preventing that the motor from intaking, it is sealed at motor surface mounting rubber circle usually, nevertheless because deep-water pump receives the pressure of water in aqueous, its working strength is very big, the poor easy intaking of sealed effect, lead to the motor to damage not durable, and then make deep-water pump's life lower.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides a deep water pump seal structure has solved the sealed problem of deep water pump.

(II) technical scheme

For the purpose of realizing the above-mentioned deep water pump is sealed, the utility model provides a following technical scheme: the utility model provides a deep water pump seal structure, includes the urceolus, the bottom surface welded fastening of urceolus has the inlet tube, the up end welded fastening of urceolus has the outlet pipe, the inside top surface welded fastening of urceolus has the spring section of thick bamboo, the inside top surface of urceolus is located the outside welded fastening of spring section of thick bamboo and is had the screw rod, the surface of screw rod is located the inside activity of urceolus bottom surface and has been cup jointed the seal cover, the bottom surface threaded connection who is located the urceolus of the bottom of screw rod has the nut, the inside bottom surface of urceolus is located the inside welded fastening of spring section of thick bamboo and is had the pump body, the top welded fastening of the pump body has lower flange, the surface welded fastening of outlet pipe has.

Preferably, the sealing and locking device comprises a clamping strip, a top seat, an outer groove, an outer clamping block, an outer spring, an inner groove, an inner clamping block and an inner spring, the clamping strip is movably inserted in the upper flange and the lower flange, the top seat is welded and fixed on the upper end surface of the clamping strip, the outer groove is respectively arranged in the upper flange and the lower flange, the outer clamping block is rotatably connected in the outer groove through a rotating pin, the outer spring is welded and fixed on one side of the outer clamping block away from the clamping strip, the inner groove is arranged on the outer surface of the clamping strip, the inner clamping block is rotatably connected in the inner groove through a rotating pin, the inner spring is welded and fixed on one side of the inner clamping block away from the outer groove, when the outer cylinder is placed in deep water, the top seat is movably connected on the inner top surface of the outer cylinder, the outer groove and the inner groove on the surface of the lower flange and the upper flange are matched, and the outer spring and the inner clamping block can be respectively, at the moment, the top seat is movably connected to the upper surface of the upper flange and seals the upper surface, meanwhile, the lower flange and the outer clamping block and the inner clamping block inside the upper flange are clamped with each other, the joint of the lower flange and the upper flange and the inner groove are sealed through the clamping strip, the lower flange and the upper flange can be conveniently clamped and locked with each other and can be sealed at the same time, and therefore the joint of the pump body can be sealed from the inside.

Preferably, the clamping strip is in a circular truncated cone shape, and is conveniently movably clamped with the inner grooves in the lower flange and the upper flange.

Preferably, the top seat is movably connected with the outer barrel, so that the outer barrel can be conveniently compressed when being subjected to water pressure.

Preferably, the outer clamping block and the inner clamping block are triangular, so that the outer clamping block and the inner clamping block can be more easily slid when being in mutual contact, and further follow-up clamping is facilitated.

Preferably, the outer clamping block and the inner clamping block are arranged in a reverse direction and are mutually matched, so that the outer clamping block and the inner clamping block can be conveniently clamped with each other.

Preferably, the clamping strips are respectively provided with inner grooves on the outer side surfaces which are in mutual contact with the upper flange and the lower flange, so that the upper flange and the lower flange can be conveniently fastened respectively.

Preferably, the sealing sleeve and the nut are in a circular truncated cone shape and are movably clamped with each other, the sealing sleeve is movably sleeved on the outer surface of the screw rod, the nut is in threaded connection with the screw rod while being clamped with the sealing sleeve, the bottom cover on the bottom surface of the outer barrel is fixedly sealed, the connection part of the screw rod and the nut can be sealed, meanwhile, the spring barrel is arranged inside the outer barrel, and the spring barrel can be continuously sealed when the outer barrel deforms under the pressure of water, so that the pump body is protected in a sealing mode outside.

Compared with the prior art, the utility model provides a deep-water pump seal structure possesses following beneficial effect:

1. this deep water pump seal structure, through when placing the urceolus in the deep water, footstock swing joint is at the inside top surface of urceolus this moment, outer groove and inside groove looks adaptation on flange and upper flange surface down this moment, and then can compress outer spring and inner spring when outer fixture block and interior fixture block contact each other respectively, footstock swing joint is at the upper surface of upper flange and seals it this moment, lower flange and the inside outer fixture block of upper flange and the mutual joint of interior fixture block simultaneously, and sealed with the junction and the inside groove of lower flange and upper flange through the gib, and then also can seal it when being convenient for with the locking of the mutual joint of lower flange and upper flange, thereby can seal from the inside junction to the pump body.

2. This deep-water pump seal structure cup joints the surface at the screw rod through with the seal cover activity, and the nut with screw rod threaded connection when with the seal cover joint, and then also can seal the junction of screw rod and nut when with the bottom fixed seal of urceolus bottom surface, sets up the inside at the urceolus through the spring case simultaneously, and then can make the spring case continue to keep sealed when the urceolus receives the pressure deformation of water to externally seal the protection to the pump body.

Drawings

FIG. 1 is a main sectional view of the structure of the present invention;

FIG. 2 is a partial sectional view of the structure of the present invention;

fig. 3 is an enlarged schematic view of a structure shown in fig. 2 according to the present invention.

Wherein: 1. an outer cylinder; 2. a water inlet pipe; 3. a water outlet pipe; 4. a spring case; 5. a screw; 6. sealing sleeves; 7. a nut; 8. a pump body; 9. a lower flange; 10. an upper flange; 11. clamping the strip; 12. a top seat; 13. an outer tank; 14. an outer clamping block; 15. an outer spring; 16. an inner tank; 17. an inner clamping block; 18. an inner spring.

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. 1-3, the present invention provides a sealing structure for a deep water pump, which comprises an outer barrel 1, a water inlet pipe 2 welded and fixed on the bottom surface of the outer barrel 1, a water outlet pipe 3 welded and fixed on the upper end surface of the outer barrel 1, a spring barrel 4 welded and fixed on the inner top surface of the outer barrel 1, a screw 5 welded and fixed on the outer side of the spring barrel 4 and on the inner top surface of the outer barrel 1, a sealing sleeve 6 movably sleeved and connected on the outer surface of the screw 5 and on the bottom surface of the outer barrel 1, a nut 7 connected on the bottom end of the screw 5 and on the bottom surface of the outer barrel 1 in a threaded manner, a pump body 8 welded and fixed on the inner bottom surface of the outer barrel 1 and on the inner side of the spring barrel 4, a lower flange 9 welded and fixed on the top end of the pump body 8, an upper flange 10 welded and fixed on the outer surface of, The outer groove 13, the outer clamping block 14, the outer spring 15, the inner groove 16, the inner clamping block 17 and the inner spring 18 are movably inserted in the upper flange 10 and the lower flange 9, the top seat 12 is fixedly welded on the upper end surface of the clamping strip 11, the outer groove 13 is respectively arranged in the upper flange 10 and the lower flange 9, the outer clamping block 14 is rotatably connected in the outer groove 13 through a rotating pin, the outer spring 15 is fixedly welded on one side of the outer clamping block 14 far away from the clamping strip 11, the inner groove 16 is arranged on the outer surface of the clamping strip 11, the inner clamping block 17 is rotatably connected in the inner groove 16 through a rotating pin, the inner spring 18 is fixedly welded on one side of the inner clamping block 17 far away from the outer groove 13, when the outer barrel 1 is placed in deep water, the top seat 12 is movably connected on the inner top surface of the outer barrel 1, the outer groove 13 and the inner groove 16 on the surfaces of the lower flange 9 and the upper flange 10 are matched, and the outer spring 15 and the inner spring 18 can be respectively compressed when the outer clamping block, at the moment, the top seat 12 is movably connected on the upper surface of the upper flange 10 and seals the upper flange, the outer clamping block 14 and the inner clamping block 17 in the lower flange 9 and the upper flange 10 are clamped with each other, the clamping strip 11 seals the joint and the inner groove of the lower flange 9 and the upper flange 10, the lower flange 9 and the upper flange 10 can be sealed while being clamped and locked with each other, so that the joint of the pump body 8 can be sealed from the inside, the clamping strip 11 is in a circular truncated cone shape and is convenient to movably clamp with the inner groove in the lower flange 9 and the upper flange 10, the top seat 12 is movably connected with the outer barrel 1, the top seat 12 can be pressed when the outer barrel 1 is subjected to the pressure of water, the outer clamping block 14 and the inner clamping block 17 are in triangular shapes, the outer clamping block 14 and the inner clamping block 17 can slide more easily when being contacted with each other, so as to facilitate subsequent clamping, the outer clamping block 14 and the inner clamping block 17 are arranged in a reverse direction and are matched with each, the outer clamping block 14 and the inner clamping block 17 are conveniently clamped with each other, the clamping strips 11 are respectively provided with an inner groove 16 on the outer side surface which is in contact with the upper flange 10 and the lower flange 9, the upper flange 10 and the lower flange 9 are conveniently fastened respectively, the sealing sleeve 6 and the screw cap 7 are in a circular truncated cone shape and are movably clamped with each other, the sealing sleeve 6 is movably sleeved on the outer surface of the screw rod 5, the screw cap 7 is in threaded connection with the screw rod 5 while being clamped with the sealing sleeve 6, the connection part of the screw rod 5 and the screw cap 7 can be sealed while the bottom cover on the bottom surface of the outer barrel 1 is fixedly sealed, the spring barrel 4 is arranged inside the outer barrel 1, the spring barrel 4 can be continuously sealed when the outer barrel 1 is deformed under the pressure of water, and the pump body 8 is sealed and protected outside.

When the outer barrel 1 is placed in deep water, the top seat 12 is movably connected to the inner top surface of the outer barrel 1, the outer groove 13 and the inner groove 16 on the surfaces of the lower flange 9 and the upper flange 10 are matched, the outer clamping block 14 and the inner clamping block 17 are contacted with each other, the outer spring 15 and the inner spring 18 can be compressed respectively, the top seat 12 is movably connected to the upper surface of the upper flange 10 and seals the upper flange 10, the outer clamping block 14 and the inner clamping block 17 in the lower flange 9 and the upper flange 10 are clamped with each other, the joint of the lower flange 9 and the upper flange 10 and the inner groove are sealed through the clamping strip 11, the lower flange 9 and the upper flange 10 can be conveniently clamped and locked with each other and can be sealed, the joint of the pump body 8 can be sealed from the inside, the sealing sleeve 6 is movably sleeved on the outer surface of the screw rod 5, and the screw cap 7 and the sealing sleeve 6 are in threaded connection with the screw rod 5, furthermore, the bottom cover on the bottom surface of the outer cylinder 1 is fixed and sealed, meanwhile, the connection part of the screw rod 5 and the screw cap 7 can be sealed, meanwhile, the spring cylinder 4 is arranged in the outer cylinder 1, and further, when the outer cylinder 1 deforms under the pressure of water, the spring cylinder 4 can be kept sealed continuously, so that the pump body 8 is sealed and protected on the outside

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 deep-water pump seal structure, includes urceolus (1), its characterized in that: a water inlet pipe (2) is fixedly welded on the bottom surface of the outer cylinder (1), a water outlet pipe (3) is fixedly welded on the upper end surface of the outer cylinder (1), a spring cylinder (4) is fixedly welded on the inner top surface of the outer cylinder (1), a screw rod (5) is fixedly welded on the inner top surface of the outer cylinder (1) and positioned at the outer side of the spring cylinder (4), a sealing sleeve (6) is movably sleeved on the outer surface of the screw rod (5) and positioned in the bottom surface of the outer barrel (1), a screw cap (7) is connected with the bottom end of the screw rod (5) and is positioned on the bottom surface of the outer cylinder (1) through threads, a pump body (8) is welded and fixed on the inner bottom surface of the outer cylinder (1) and positioned in the spring cylinder (4), a lower flange (9) is welded and fixed at the top end of the pump body (8), an upper flange (10) is welded and fixed on the outer surface of the water outlet pipe (3), and a sealing and locking device is arranged between the upper flange (10) and the lower flange (9).

2. The deep water pump seal structure according to claim 1, characterized in that: the sealing and locking device comprises a clamping strip (11), a top seat (12), an outer groove (13), an outer clamping block (14), an outer spring (15), an inner groove (16), an inner clamping block (17) and an inner spring (18), the clamping strip (11) is movably inserted in the upper flange (10) and the lower flange (9), the top seat (12) is welded and fixed on the upper end surface of the clamping strip (11), the outer groove (13) is respectively arranged inside the upper flange (10) and the lower flange (9), the outer clamping block (14) is rotatably connected inside the outer groove (13) through a rotating pin, the outer spring (15) is welded and fixed on one side of the outer clamping block (14) far away from the clamping strip (11), the inner groove (16) is arranged on the outer surface of the clamping strip (11), the inner clamping block (17) is rotatably connected inside the inner groove (16) through a rotating pin, the inner spring (18) is welded and fixed on one side, far away from the outer groove (13), of the inner clamping block (17).

3. A deep water pump seal structure according to claim 2, characterized in that: the clamping strip (11) is in a circular truncated cone shape.

4. A deep water pump seal structure according to claim 2, characterized in that: the top seat (12) is movably connected with the outer cylinder (1).

5. A deep water pump seal structure according to claim 2, characterized in that: the outer clamping block (14) and the inner clamping block (17) are both triangular.

6. A deep water pump seal structure according to claim 2, characterized in that: the outer clamping block (14) and the inner clamping block (17) are arranged in a reverse direction and are matched with each other.

7. A deep water pump seal structure according to claim 2, characterized in that: the outer side surfaces of the clamping strips (11) which are respectively contacted with the upper flange (10) and the lower flange (9) are provided with inner grooves (16).

8. The deep water pump seal structure according to claim 1, characterized in that: the sealing sleeve (6) and the screw cap (7) are both in the shape of a circular truncated cone and are movably clamped with each other.