CN219013610U - Sheath assembly for pump connection - Google Patents

Abstract

The utility model discloses a sheath assembly for pump connection, which is used for communicating a pump body and an infusion pipeline, and comprises a connecting pipe, wherein the inner walls of two end parts are respectively provided with an embedded groove, a first sealing element is arranged in the embedded groove, a pipeline opening of the pump body and a pipeline opening of the infusion pipeline are respectively positioned at one side of the two first sealing elements far away from the connecting pipe and extend into the embedded groove, and the two pipeline openings are respectively abutted with the first sealing elements; the two connecting pieces are fixedly connected to the two end faces of the connecting pipe respectively, and the connecting pipe is detachably connected with the two pipeline openings respectively through the connecting pieces. The utility model can realize that the end structures of the pump body and the infusion pipeline do not need to be changed more, and the sheath component is used for communicating the pump body and the infusion pipeline and guaranteeing the sealing efficiency.

Description

Sheath assembly for pump connection

Technical Field

The utility model relates to the technical field of water pump accessories, in particular to a sheath assembly for pump connection.

Background

In order to realize liquid conveying or liquid pressurization, a pump body is generally utilized to conduct liquid, wherein the liquid can comprise water, oil, a liquid-gas mixture and the like, when the pump body conducts liquid, a water inlet end and a water outlet end on the pump body are respectively communicated with a corresponding water inlet pipeline and a corresponding water outlet pipeline, and the sealing performance of the joint of the pump body and the water inlet pipeline and the water outlet pipeline is a primary consideration.

In the prior art, the patent number is CN201921809201.0, the patent name is a water pump connecting sheath assembly with good protection performance, and the patent discloses that the connecting part of a pump body and a pipeline is easy to leak water to cause corrosion of the connecting part, so that the sheath assembly is arranged to solve the problems, however, the inventor considers that the end parts of a water outlet end, a water inlet pipeline and a water outlet pipeline of a conventional pump body are not provided with more complex structures, and the end parts of the conventional pump body are usually only provided with annular plates for connection, so that the end part structures of the positions are changed, the use cost is increased, and the use range is reduced.

Therefore, the sheath assembly for pump connection is provided, plays a role in connecting the pump body and the pipeline, and does not need to change the end structures of the pump body and the pipeline more.

Disclosure of Invention

The utility model aims to provide a sheath assembly for pump connection, which solves the problems in the prior art, can realize that the end structures of a pump body and an infusion pipeline do not need to be changed more, and is used for communicating the pump body and the infusion pipeline and ensuring the sealing efficiency.

In order to achieve the above object, the present utility model provides the following solutions: the utility model provides a sheath component for pump connection, which is used for communicating a pump body and an infusion pipeline, and comprises,

the inner walls of the two end parts of the connecting pipe are respectively provided with an caulking groove, a first sealing piece is arranged in the caulking groove, the pipeline opening of the pump body and the pipeline opening of the infusion pipeline are respectively positioned at one side of the two first sealing pieces far away from the connecting pipe and extend into the caulking grooves, and the two pipeline openings are respectively abutted with the first sealing pieces;

the two connecting pieces are fixedly connected to the two end faces of the connecting pipe respectively, and the connecting pipe is detachably connected with the two pipeline ports through the connecting pieces respectively;

the densification groove is formed in the caulking groove, the densification groove is located on the outer side of the outer wall of the pipeline opening and corresponds to the outer wall of the pipeline opening, a second sealing piece and a tightening piece are arranged in the densification groove, the second sealing piece is located between the tightening piece and the first sealing piece, and the second sealing piece is in butt joint with the inner wall of the connecting pipe through the tightening piece.

Further, the first sealing piece is a first sealing ring arranged in the caulking groove, one side of the first sealing ring is fixedly connected with the inner wall of the connecting pipe, the end face of the pipeline opening is positioned on the other side of the first sealing ring and is abutted to the first sealing ring, and the outer wall of the pipeline opening is matched with the inner wall of the caulking groove.

Further, the connecting piece comprises a connecting ring plate fixedly connected to the end face of the connecting pipe, the connecting ring plate is correspondingly arranged with the pump body and the annular plate on the infusion pipeline, and the connecting ring plate is detachably connected with the annular plate.

Further, the densification groove comprises a necking groove and a moving groove which are arranged in the caulking groove, wherein the moving groove is located at one side, far away from the first sealing ring, of the necking groove and is communicated with the necking groove, and the diameter of the end face, close to the first sealing ring, of the necking groove is smaller than that of the end face, far away from the first sealing ring, of the necking groove.

Further, the second sealing piece is a second sealing ring arranged in the necking groove, the second sealing ring is sleeved on the outer wall of the pipeline port, and two sides of the second sealing ring are respectively abutted to the tightening piece and the inner wall of the connecting pipe.

Further, the tightening piece comprises a tightening ring arranged in the moving groove, the outer wall of the tightening ring is in threaded connection with the inner wall of the connecting pipe, the tightening ring is capable of moving in the moving groove, one side, close to the second sealing ring, of the tightening ring is fixedly connected with an extrusion ring, the extrusion ring is sleeved on the outer wall of the pipeline opening, the other side of the extrusion ring extends into the necking groove, and the extrusion ring extrudes the second sealing ring through the tightening ring.

Further, an adjusting port is formed in the outer wall of the connecting pipe, the adjusting port is correspondingly arranged with the tightening ring, and the tightening ring is rotated through the adjusting port.

Further, a plurality of adjusting holes are formed in the circumferential direction of the outer wall of the tightening ring, and the adjusting holes are correspondingly arranged with the adjusting openings.

The utility model discloses the following technical effects:

1. the pump body and the infusion pipeline are connected through the connecting pipe, and excessive changes of pipeline port structures of the pump body and the infusion pipeline are not needed, so that the use cost is reduced, and the use range is enlarged.

2. Through setting up first sealing member and second sealing member, do double-deck sealing to the junction of connecting pipe and pipeline mouth, improve the sealed effect of junction of connecting pipe and pipeline mouth.

3. Through setting up the piece that increases, second sealing member and increase tight groove cooperation consolidate the extrusion to the second sealing member, further improve the sealed effect of second sealing member.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of a connection tube in connection with a pump body and an infusion tube;

FIG. 2 is a cross-sectional view of a connection tube in connection with a tube port;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an exploded view of the connection of a connecting tube to a tube port;

FIG. 5 is a cross-sectional view of a connection tube;

the device comprises a 1-pump body, a 2-transfusion pipeline, a 3-connecting pipe, a 4-caulking groove, a 5-first sealing ring, a 6-connecting ring plate, a 7-annular plate, an 8-necking groove, a 9-moving groove, a 10-second sealing ring, an 11-tightening ring, a 12-extrusion ring, a 13-adjusting opening and a 14-adjusting hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

Referring to fig. 1-5, the utility model provides a sheath assembly for pump connection, which is used for communicating a pump body 1 and an infusion pipeline 2, and comprises a connecting pipe 3, wherein the inner walls of two end parts are respectively provided with an embedded groove 4, a first sealing element is arranged in the embedded groove 4, a pipeline opening of the pump body 1 and a pipeline opening of the infusion pipeline 2 are respectively positioned at one side of the two first sealing elements far away from the connecting pipe 3 and extend into the embedded groove 4, and the two pipeline openings are respectively abutted with the first sealing elements; the two connecting pieces are fixedly connected to the two end faces of the connecting pipe 3 respectively, and the connecting pipe 3 is detachably connected with the two pipeline openings respectively through the connecting pieces; the densification groove is formed in the caulking groove 4, is located in the outer side of the outer wall of the pipeline opening and corresponds to the outer wall of the pipeline opening, a second sealing piece and a tightening piece are arranged in the densification groove, the second sealing piece is located between the tightening piece and the first sealing piece, and the second sealing piece is in butt joint with the inner wall of the connecting pipe 3 through the tightening piece.

When connecting pump body 1 and infusion pipeline 2, only need establish the pipeline mouth at pump body 1 with connecting pipe 3 cover, pump body 1's pipeline mouth stretches into caulking groove 4 in and with first sealing member contact, be connected with pump body 1 through the connecting piece on connecting pipe 3, when fastening pump body 1 and connecting pipe 3, make pump body 1's pipeline mouth extrude first sealing member realize sealedly, after pump body 1 and connecting pipe 3 are connected, rotate the tightening member in the densification groove, the tightening member removes and extrudees the second sealing member in the densification groove, through the structural design to the densification groove, realize the second sealing member of tightening member extrusion, make the second sealing member realize sealed effect. The connection mode of the infusion pipeline 2 and the connecting pipe 3 is the same as that described above, and the connection and the communication of the pump body 1 and the infusion pipeline 2 are realized through the arrangement of the connecting pipe 3.

Wherein, after the connecting pipe 3 is sleeved on the pump body 1 or the infusion pipeline 2, the inner diameter of the connecting pipe 3 is matched with the inner diameter of the pipeline opening of the pump body 1 or the infusion pipeline 2 so as to facilitate the flow of liquid.

The pipeline opening of the pump body 1 is a water inlet end and a water outlet end of the pump body 1, the infusion pipeline 2 is a water inlet pipe and a water outlet pipe connected with the pump body 1, and the pipeline opening of the infusion pipeline 2 is the water inlet end and the water outlet end.

Further optimizing scheme, first sealing member is for setting up the first sealing ring 5 in caulking groove 4, and first sealing ring 5 one side and connecting pipe 3 inner wall rigid coupling, pipeline mouth terminal surface are located first sealing ring 5 opposite side and with first sealing ring 5 butt, pipeline mouth outer wall and caulking groove 4 inner wall adaptation.

It can be understood that the water inlet end and the water outlet end of the pump body 1 extend into the caulking groove 4, and meanwhile, the end face of the water inlet end and the water outlet end contacts with the first sealing ring 5, and when the connecting pipe 3 is connected with the pump body 1 or the infusion pipeline 2, the connecting pipe 3 is mutually close to the pump body 1 or the infusion pipeline 2, so that the end face contacts and extrudes the first sealing ring 5.

Further optimizing scheme, the connecting piece includes the adapter ring board 6 of rigid coupling at the connecting pipe 3 terminal surface, and adapter ring board 6 corresponds the setting with the annular plate 7 on the pump body 1 and the infusion pipeline 2, and adapter ring board 6 can dismantle with annular plate 7 and be connected. The connecting ring plate 6 is fixed on the end face of the connecting pipe 3, the inner diameter of the connecting ring plate is matched with the pipeline opening, the connecting ring plate 6 and the position of the connecting pipe 3, where the caulking groove 4 is arranged, are sleeved on the pipeline opening, a small gap exists between the connecting ring plate 6 and the annular plate 7, the connecting ring plate 6 and the annular plate 7 are fixedly connected, the gap between the connecting ring plate 6 and the annular plate 7 is reduced, and the pipeline opening is extruded on the first sealing ring 5.

Wherein, as shown in the figure, the connection ring plate 6 and the annular plate 7 can be fixed by a plurality of connection bolts. Alternatively, the two are fixedly connected by screws, screw shafts, or the like.

In the structure, the pipe openings of the pump body 1 and the infusion pipe 2 do not need to be improved excessively, and only the existing device is used, namely, the pipe openings of the pump body 1 and the infusion pipe 2 are correspondingly fixed with an annular plate 7, and holes for connection are formed in the annular plate 7 in advance.

Further optimizing scheme, the densification groove is including seting up necking down groove 8 and the removal groove 9 in caulking groove 4, and the removal groove 9 is located necking down groove 8 and is kept away from one side of first sealing ring 5 and communicates with necking down groove 8, and necking down groove 8 is close to the terminal surface diameter that first sealing ring 5 is less than necking down groove 8 and is kept away from the terminal surface diameter of first sealing ring 5. The necking groove 8 is used for placing a second sealing element, the moving groove 9 is used for realizing the movement of the tightening element, and the diameter of the necking groove 8 is gradually reduced along the direction that the necking groove 8 is close to the first sealing ring 5 so as to realize the extrusion of the second sealing element.

In a further optimized scheme, the second sealing piece is a second sealing ring 10 arranged in the necking groove 8, the second sealing ring 10 is sleeved on the outer wall of the pipeline port, and two sides of the second sealing ring 10 are respectively abutted with the tightening piece and the inner wall of the connecting pipe 3. The second sealing ring 10 is sleeved on the outer wall of the pipeline port, the inner diameter of the second sealing ring 10 is matched with the outer wall of the pipeline port, the second sealing ring 10 moves towards the first sealing ring 5 under the action of the tightening piece, and the diameter of the necking groove 8 is gradually reduced, so that the second sealing ring 10 is extruded, and the sealing effect is improved.

In one embodiment of the utility model, the side of the second sealing ring 10 adjacent to the first sealing ring 5 is an inclined surface which is adapted to the inner wall of the necking groove 8.

Further optimizing scheme, the tightening piece is including setting up the tightening ring 11 in the removal groove 9, and the tightening ring 11 outer wall and connecting pipe 3 inner wall threaded connection just the tightening ring 11 can advance in removal groove 9, and the one side rigid coupling that the tightening ring 11 is close to second sealing ring 10 has extrusion ring 12, and extrusion ring 12 cover is established at the pipeline mouth outer wall, and extrusion ring 12 opposite side stretches into in the necking down groove 8, and extrusion ring 12 extrudes second sealing ring 10 through the tightening ring 11.

After connecting the connecting pipe 3 with the pump body 1 or the infusion pipeline 2, rotating the tightening ring 11, because the tightening ring 11 is in threaded connection with the inner wall of the connecting pipe 3, the tightening ring 11 is rotated, so that the tightening ring 11 moves towards the second sealing ring 10 in the moving groove 9, the tightening ring 11 drives the extrusion ring 12 to move towards the second sealing ring 10, and acting force is applied to the second sealing ring 10 through the extrusion ring 12, so that the second sealing ring fills a gap between the necking groove 8 and the outer wall of the pipeline opening.

It will be appreciated that the tightening ring 11 is retained within the movement groove 9 such that it cannot leave the movement groove 9, while the diameter of the outer wall of the compression ring 12 is smaller than the diameter of the inner wall of the movement groove 9, which can extend into the necking groove 8 to contact the second sealing ring 10.

According to a further optimization scheme, an adjusting port 13 is formed in the outer wall of the connecting pipe 3, the adjusting port 13 is arranged corresponding to the tightening ring 11, and the tightening ring 11 is rotated through the adjusting port 13. The setting of the adjusting port 13 is used for manually driving the tightening ring 11 to rotate outside the connecting pipe 3, so that the position of the tightening ring 11 in the moving groove 9 is changed.

According to a further optimization scheme, a plurality of adjusting holes 14 are formed in the circumferential direction of the outer wall of the tightening ring 11, and the adjusting holes 14 are correspondingly arranged with the adjusting ports 13. The adjusting hole 14 is used for driving the tightening ring 11 to rotate, and the use mode is that the rod body structures such as an external supporting rod or a screw rod extend into the adjusting hole 14 through the adjusting opening 13, so that the tightening ring 11 can be easily rotated.

After the connection tube 3 and the pump body 1 or the infusion tube 2 are connected initially, the tightening ring 11 is rotated to extrude the second sealing ring 10.

In addition, if the sealability of the joint is affected after the long-time communication, the tightening ring 11 can be rotated again to increase the acting force applied to the second seal ring 10, thereby improving the sealing effect of the second seal ring 10.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims (8)

1. The utility model provides a sheath subassembly for pump connection for communicate pump body (1) and infusion pipeline (2), its characterized in that: comprising the steps of (a) a step of,

the inner walls of the two ends of the connecting pipe (3) are respectively provided with an caulking groove (4), first sealing elements are arranged in the caulking grooves (4), the pipeline opening of the pump body (1) and the pipeline opening of the infusion pipeline (2) are respectively positioned at one side of the two first sealing elements away from the connecting pipe (3) and extend into the caulking grooves (4), and the two pipeline openings are respectively abutted with the first sealing elements;

the two connecting pieces are fixedly connected to the two end faces of the connecting pipe (3) respectively, and the connecting pipe (3) is detachably connected with the two pipeline openings respectively through the connecting pieces;

the densification groove is formed in the caulking groove (4), the densification groove is located on the outer side of the outer wall of the pipeline opening and corresponds to the outer wall of the pipeline opening, a second sealing piece and a tightening piece are arranged in the densification groove, the second sealing piece is located between the tightening piece and the first sealing piece, and the second sealing piece is in butt joint with the inner wall of the connecting pipe (3) through the tightening piece.

2. The pump connection jacket assembly according to claim 1, wherein: the first sealing piece is a first sealing ring (5) arranged in the caulking groove (4), one side of the first sealing ring (5) is fixedly connected with the inner wall of the connecting pipe (3), the end face of the pipeline opening is positioned on the other side of the first sealing ring (5) and is abutted to the first sealing ring (5), and the outer wall of the pipeline opening is matched with the inner wall of the caulking groove (4).

3. The pump connection jacket assembly according to claim 1, wherein: the connecting piece comprises a connecting annular plate (6) fixedly connected to the end face of the connecting pipe (3), the connecting annular plate (6) is correspondingly arranged with the pump body (1) and an annular plate (7) on the infusion pipeline (2), and the connecting annular plate (6) is detachably connected with the annular plate (7).

4. The pump connection jacket assembly according to claim 2, wherein: the densification groove comprises a necking groove (8) and a moving groove (9) which are arranged in the caulking groove (4), the moving groove (9) is located on one side, away from the first sealing ring (5), of the necking groove (8) and is communicated with the necking groove (8), and the diameter of the end face, close to the first sealing ring (5), of the necking groove (8) is smaller than that of the end face, away from the first sealing ring (5), of the necking groove (8).

5. The pump connection jacket assembly according to claim 4, wherein: the second sealing piece is a second sealing ring (10) arranged in the necking groove (8), the second sealing ring (10) is sleeved on the outer wall of the pipeline port, and two sides of the second sealing ring (10) are respectively abutted to the tightening piece and the inner wall of the connecting pipe (3).

6. The pump connection sheath assembly of claim 5, wherein: the tightening piece comprises a tightening ring (11) arranged in the movable groove (9), the outer wall of the tightening ring (11) is in threaded connection with the inner wall of the connecting pipe (3), the tightening ring (11) can move in the movable groove (9), one side, close to the second sealing ring (10), of the tightening ring (11) is fixedly connected with an extrusion ring (12), the extrusion ring (12) is sleeved on the outer wall of the pipeline opening, the other side of the extrusion ring (12) stretches into the necking groove (8), and the extrusion ring (12) extrudes the second sealing ring (10) through the tightening ring (11).

7. The pump connection sheath assembly of claim 6, wherein: an adjusting port (13) is formed in the outer wall of the connecting pipe (3), the adjusting port (13) is arranged corresponding to the tightening ring (11), and the tightening ring (11) is rotated through the adjusting port (13).

8. The pump connection sheath assembly of claim 7, wherein: a plurality of adjusting holes (14) are formed in the circumferential direction of the outer wall of the tightening ring (11), and the adjusting holes (14) are correspondingly arranged with the adjusting openings (13).

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