CN220319889U - Pump with seal structure - Google Patents

Abstract

The utility model discloses a pump with a sealing structure, which comprises an impeller pipe, wherein a sealing ring is arranged on one side of the impeller pipe, a butt joint pipe is arranged on one side of the sealing ring away from the impeller pipe, an inner groove is arranged in the side wall of the sealing ring, a retracting ring is sleeved in the inner groove in a rotating way, a blocking ring is fixedly connected in the middle of the inner ring of the sealing ring, the blocking ring is of a hollow structure and is communicated with the inner groove, an extruding plate is arranged in the blocking ring, and a retracting groove is arranged in one end of the retracting ring: through setting up the one end rotation of turning knob drive gear through meshing connection drive receive and release ring, and receive and release ring's one end atress is received the shrink inslot gradually, along with receive and release ring shrink diminish stripper plate insert in the jam circle support the jam circle so ensure that the jam circle laminate on the end of connecting pipe and butt joint pipe steadily, guarantee sealed effect, if the stripper plate that the jam circle was broken to appear setting up can fill broken place and continue to guarantee sealed validity.

Description

Pump with seal structure

Technical Field

The utility model relates to the technical field of sealing structures of pumps, in particular to a pump with a sealing structure.

Background

The pump is a mechanical device for providing power and pressure for conveying materials, the existing pump is of various types, commonly called a water suction pump, a pipeline is placed into a water source, then the pump is started to pump water out and convey the water through the generated pressure, the pipeline is connected with the middle of the pump through a flange containing gaskets, and the problem that leakage occurs due to the fact that the gaskets are corroded in a common connecting mode for a long time is solved.

According to publication No.: "CN210397140U" is a "water pump with mechanical seal structure", which proposes ": under the condition that excessive water impurities are more, particularly the sand content is relatively large, due to the friction of sediment, rubber parts or fillers used for sealing are easy to damage seriously, contact surfaces which are easy to contact with the rubber parts or fillers are easy to damage, the sealing is replaced after half a year, meanwhile, pits are formed on a large-shaft cylindrical surface, the sealing effect is invalid, and a good protection effect cannot be achieved on a mechanical sealing device.

The technical scheme is that the motor drives the impeller through the rotating shaft and the movable knife connected with the impeller rotates, the movable knife rotates relative to the stationary knife, impurities entering the circulation groove are cut, and cut impurity particles flow out through the guide-out holes, so that larger impurity particles are not easy to enter the mechanical seal, and the mechanical seal is well protected.

Above-mentioned mainly handles impurity through the cooperation of movable knife and fixed knife so that avoid impurity to cause the sealed problem that leads to sealed unstability to appear leaking, because need drive movable knife through the impeller and rotate, increase the burden of impeller, and because add the function that the impeller draws water of additional part influence on the impeller, set up a seal structure for this reason.

Disclosure of Invention

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a pump with seal structure, includes the impeller pipe, the sealing ring has been established to one side of impeller pipe, the sealing ring has been set up to one side that the impeller pipe was kept away from to the sealing ring has been set up the butt joint pipe, set up the inside groove in the sealing ring lateral wall, the inside groove swivelling joint has received and has put the ring, fixedly connected with blocks up the circle in the middle of the sealing ring inner circle, block up the circle and be hollow structure and communicate with each other with the inside groove, set up the stripper plate in the blocks up the circle, set up shrink groove in the one end of receiving and putting the ring, the flexible activity grafting of the other end of receiving and putting the ring is in shrink groove.

As a preferable technical scheme of the utility model, the outer wall of the retraction ring is uniformly and fixedly connected with teeth, the inner wall of the inner groove is rotationally connected with a gear, and the gear is meshed with the teeth on the outer wall of the retraction ring.

As a preferable technical scheme of the utility model, the extruding plate is fixedly connected with the retractable ring through the side wall at one end, the retractable ring corresponds to the extruding plate in shape, an opening is formed in one side of the sealing ring, an extending plate is fixedly connected with the edge of the opening, and a reinforcing screw is inserted into the extending plate.

As a preferable technical scheme of the utility model, the bottom side in the inner groove is fixedly connected with a support column, the support column is of a T-shaped structure, a chute is formed in the side wall of the retraction ring opposite to the support column, the support column is slidably connected in the chute, and the support column is of an arc-shaped structure corresponding to the retraction ring.

As a preferable technical scheme of the utility model, the side wall of the impeller tube opposite to the sealing ring is fixedly connected with a connecting tube, the connecting tube and the butt joint tube are inserted into two sides of the sealing ring, the blocking ring is positioned between the ends of the connecting tube and the butt joint tube and is attached to the side wall of the end, the outer wall of one side of the impeller tube is rotationally connected with a knob, and the knob is fixedly connected with one end of the gear.

The utility model has the following advantages: through setting up the one end rotation of turning knob drive gear through meshing connection drive receive and release ring, and receive and release ring's one end atress is received the shrink inslot gradually, along with receive and release ring shrink diminish stripper plate insert in the jam circle support the jam circle so ensure that the jam circle laminate on the end of connecting pipe and butt joint pipe steadily, guarantee sealed effect, if the stripper plate that the jam circle was broken to appear setting up can fill broken place and continue to guarantee sealed validity.

Drawings

FIG. 1 is an exploded perspective view of a preferred embodiment of the present utility model;

FIG. 2 is a schematic side plan view of a seal ring according to a preferred embodiment of the present utility model;

fig. 3 is a schematic illustration of a seal ring in a formal cross-sectional configuration in accordance with a preferred embodiment of the present utility model.

Reference numerals illustrate: 1. an impeller tube; 2. a connecting pipe; 3. a seal ring; 4. a blocking ring; 5. a knob; 6. a butt joint pipe; 7. an inner tank; 8. a winding and unwinding ring; 9. a gear; 10. a shrink tank; 11. an extrusion plate; 12. and (5) supporting the column.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

Referring to fig. 1-3 in combination, the pump with a sealing structure of the present utility model comprises an impeller tube 1, wherein a sealing ring 3 is arranged at one side of the impeller tube 1, a butt joint tube 6 is arranged at one side of the sealing ring 3 far away from the impeller tube 1, an inner groove 7 is arranged in the side wall of the sealing ring 3, a retracting ring 8 is sleeved in the inner groove 7, a blocking ring 4 is fixedly connected in the middle of the inner ring of the sealing ring 3, the blocking ring 4 is of a hollow structure and is communicated with the inner groove 7, an extrusion plate 11 is arranged in the blocking ring 4, a retracting groove 10 is arranged in one end of the retracting ring 8, the other end of the retracting ring 8 is telescopically inserted in the retracting groove 10, teeth are uniformly and fixedly connected to the outer wall of the retracting ring 8, a gear 9 is rotatably connected to the inner wall of the inner groove 7, and the gear 9 is meshed with the teeth on the outer wall of the retracting ring 8;

the extrusion plate 11 is fixedly connected with the retractable ring 8 through one end side wall, the retractable ring 8 corresponds to the extrusion plate 11 in shape, an opening is formed in one side of the sealing ring 3, an extension plate is fixedly connected with the edge of the opening, and reinforcing screws are inserted into the extension plate.

The connecting pipe 2 and the butt joint pipe 6 are inserted into two sides of the sealing ring 3, then the reinforcing screw on the extending plate is tightened to compress the connecting pipe 2 and the butt joint pipe 6 along with the shrinkage of the tight sealing ring 3 on the screw, preliminary connection is achieved, then one end of the retractable ring 8 is driven to move through the meshing connection through the rotation of the rotary knob 5 driving gear 9, the retractable ring 8 is gradually retracted into the shrinkage groove 10 along with the movement, the size of the retractable ring 8 is reduced, the extruding plate 11 is also gradually inserted into the extruding plate 11 along with the size reduction, the inserting of the extruding plate 11 can outwards expand and eject the blocking ring 4, the tight fit between the blocking ring 4 and the side walls of the connecting pipe 2 and the butt joint pipe 6 is ensured, the tightness of connection is ensured, and the blocking ring 4 is not deformed and loosened due to long-time use can be ensured due to the support of the extruding plate 11, and the continuous sealing effect is ensured.

Because the sealing ring 4 is connected at the end of the pipeline, the sealing performance is affected by the contact with liquid, which is easy to corrode in the past, but the extrusion plate 11 is inserted into the sealing ring 4, and when the sealing ring 4 is damaged, the extrusion plate 11 is filled and blocked, so that the sealing performance in a certain implementation can be maintained only by timely replacing the sealing ring 4, and the original sealing ring 4 is torn off and then the new sealing ring 4 is attached and fixed at a designated position.

Through above-mentioned technical scheme, need not to install sealing device on the impeller, alleviate the burden of impeller and can not influence the structure of impeller, guarantee the effect that the impeller pumped water carried, and can just be to the negative impact that the breakage of jam circle 4 brought, abundant effect of having guaranteed the seal.

The bottom side fixedly connected with support column 12 in the inside groove 7, support column 12 are T font structure, and the spout has been seted up to receive and release ring 8 and support column 12 relative lateral wall, and support column 12 sliding connection is in the spout, and support column 12 is the arc structure corresponding with receive and release ring 8.

In order to ensure the smooth movement of the retractable ring 8, the supporting columns 12 are arranged, the retractable ring 8 can be limited by the supporting columns 12, and the retractable ring 8 can slide along the supporting columns 12, and the supporting columns 12 are of an arc-shaped structure opposite to the retractable ring 8, so that the retractable ring 8 can be ensured to keep the circular shrinkage effect, and the retractable ring 8 can be ensured to smoothly shrink to drive the extrusion plate 11 to be inserted into the plugging ring 4.

The impeller tube 1 is fixedly connected with the connecting pipe 2 with the side wall opposite to the sealing ring 3, the connecting pipe 2 and the butt joint pipe 6 are spliced at two sides in the sealing ring 3, the blocking ring 4 is positioned between the ends of the connecting pipe 2 and the butt joint pipe 6 and is attached to the side wall of the end, the knob 5 is rotationally connected with the outer wall of one side of the impeller tube 1, and the knob 5 is fixedly connected with one end of the gear 9.

Because gear 9 and knob 5 fixed connection, consequently also can drive gear 9 synchronous rotation when driving knob 5 and rotate to this moves through the relation drive receive and release ring 8 that the meshing is connected and adjusts, and the activity is pegged graft on knob 5 has a locating pin, has evenly offered a plurality of jacks around knob 5 on the lateral wall of sealing ring 3, inserts the locating pin into the jack and fixes a position knob 5 after receive and release ring 8 adjusts to suitable position, avoids the mistake to touch and leads to receive and release ring 8 reversal looseness.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Other parts of the present utility model not described in detail are all of the prior art, and are not described in detail herein.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (5)

1. The utility model provides a pump with seal structure, includes impeller pipe (1), its characterized in that, one side of impeller pipe (1) has set up sealing ring (3), one side that impeller pipe (1) was kept away from to sealing ring (3) has set up butt joint pipe (6), interior groove (7) have been seted up in sealing ring (3) lateral wall, interior groove (7) internal rotation has cup jointed receive and release ring (8), fixedly connected with blocks up circle (4) in the middle of sealing ring (3) inner circle, block up circle (4) be hollow structure and communicate with each other with interior groove (7), set up stripper plate (11) in blocks up circle (4), shrink groove (10) have been seted up in receive and release ring (8) one end, the flexible activity of the other end of receiving and releasing ring (8) is pegged graft in shrink groove (10).

2. The pump with the sealing structure according to claim 1, wherein teeth are uniformly and fixedly connected to the outer wall of the retraction ring (8), a gear (9) is rotatably connected to the inner wall of the inner groove (7), and the gear (9) is in meshed connection with the teeth on the outer wall of the retraction ring (8).

3. The pump with the sealing structure according to claim 1, wherein the extruding plate (11) is fixedly connected with the retractable ring (8) through a side wall at one end, the retractable ring (8) corresponds to the extruding plate (11) in shape, an opening is formed in one side of the sealing ring (3), an extending plate is fixedly connected to the edge of the opening, and a reinforcing screw is inserted into the extending plate.

4. The pump with the sealing structure according to claim 1, wherein a support column (12) is fixedly connected to the bottom side in the inner groove (7), the support column (12) is of a T-shaped structure, a chute is formed in the side wall of the retractable ring (8) opposite to the support column (12), the support column (12) is slidably connected in the chute, and the support column (12) is of an arc-shaped structure corresponding to the retractable ring (8).

5. The pump with the sealing structure according to claim 1, characterized in that the side wall of the impeller tube (1) opposite to the sealing ring (3) is fixedly connected with a connecting tube (2), the connecting tube (2) and the butt joint tube (6) are inserted into the two sides in the sealing ring (3), the blocking ring (4) is positioned between the ends of the connecting tube (2) and the butt joint tube (6) and is attached to the side wall of the end, a knob (5) is rotationally connected to the outer wall of one side of the impeller tube (1), and the knob (5) is fixedly connected with one end of the gear (9).