CN214660918U

CN214660918U - Oil-submersible pump

Info

Publication number: CN214660918U
Application number: CN202120763405.6U
Authority: CN
Inventors: 黄雅
Original assignee: Hunan Jiuwei Environmental Protection Technology Co ltd
Current assignee: Hunan Jiuwei Environmental Protection Technology Co ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2021-11-09
Anticipated expiration: 2031-04-14

Abstract

The utility model provides an oil-submerged pump relates to pump body technical field, has solved the technical problem that the oil-submerged pump that exists can't adapt to not equidimension oil tank installation among the prior art. The device comprises a pump head, a pump body and a first telescopic connecting part; one end of the first telescopic connecting part is communicated with the pump head, and the other end of the first telescopic connecting part is communicated with the pump body; the first telescopic connecting part comprises a first connecting body and a second connecting body, and the first connecting body is connected with the second connecting body in a sliding manner; the first connector and the second connector are in communication. The utility model is used for the pump oil of last oil storage tank of filling station, first expansion joint portion are used for connecting the pump head and the pump body, adapt to the oil tank of equidimension not, solve the problem that current oil-submersible pump can't adapt to the installation of equidimension oil tank not, avoid on-the-spot piping to have potential safety hazard and the higher problem of the degree of difficulty.

Description

Oil-submersible pump

Technical Field

The utility model belongs to the technical field of the pump body technique and specifically relates to an oil-submersible pump is related to.

Background

In the process of filling oil to the user oil storage tank, the oil filling station needs to move oil from an underground oil depot or an above-ground oil depot to the user oil storage tank; in the liquid moving process, a pumping technology is needed, and a self-sucking pump is mainly used at present in a gas station; the self-priming pump is installed in the oiling machine, pumping is achieved through pressure difference according to the principle of self-priming negative pressure, and the relative atmospheric pressure in the pipeline is negative pressure. However, the self-priming pump generates negative pressure due to self-priming, the negative pressure causes gasoline to be gasified, air resistance is generated in a pipeline, and the use convenience is reduced; therefore, the submersible pump is gradually introduced and used, and the existing submersible pump assembly has large risk of on-site piping and high difficulty due to different sizes and embedding depths of oil tanks during installation;

therefore, the submersible pump is designed to solve the problem that the prior submersible pump cannot adapt to installation of large and small oil tanks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil-submersible pump has solved the technical problem that the oil-submersible pump that exists among the prior art can't adapt to not equidimension oil tank installation. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides an oil-submerged pump, which comprises a pump head, a pump body and a first telescopic connecting part;

one end of the first telescopic connecting part is communicated with the pump head, and the other end of the first telescopic connecting part is communicated with the pump body;

the first telescopic connecting part comprises a first connecting body and a second connecting body, and the first connecting body is connected with the second connecting body in a sliding manner;

the first connector and the second connector are in communication.

Preferably, still include cable and the flexible connecting portion of second, the flexible connecting portion of second includes third connector and fourth connector, the third connector with fourth connector sliding connection, the third connector with the inside cavity of fourth connector and intercommunication each other, the cable is worn to establish inside the third connector with the fourth connector.

Preferably, the second telescopic connection is provided within the first telescopic connection.

Preferably, the telescopic connecting device further comprises a separation preventing part for preventing the first connecting body and the second connecting body from separating, and the separation preventing part is arranged on the first telescopic connecting part.

Preferably, the first telescopic connecting part and the second telescopic connecting part respectively further comprise a first sliding connecting sleeve and a second sliding connecting sleeve;

the first connector, the second connector, the third connector and the fourth connector are all tubes;

the first connector is sleeved outside the second connector, and the third connector is sleeved outside the fourth connector;

the first sliding connecting sleeve is fixedly connected with one end of the first connecting body and is in sliding connection with the second connecting body;

the anti-falling part is arranged at one end, far away from the first sliding connecting sleeve, of the second connecting body, and when the anti-falling part moves to the first sliding connecting sleeve, the first sliding connecting sleeve limits the anti-falling part to move continuously;

the second sliding connecting sleeve is fixedly connected with one end of the third connecting body and is in sliding connection with the fourth connecting body.

Preferably, the anti-dropping portion is a ring protrusion, and the ring protrusion is disposed on the outer circumference of the second connector.

Preferably, the connecting device further comprises a first sealing ring and a second sealing ring, wherein the first sealing ring is arranged between the first sliding connecting sleeve and the second connecting body; the second sealing ring is arranged between the second sliding connecting sleeve and the fourth connecting body.

Preferably, the locking device further comprises a locking member, wherein the locking member is arranged on the first connecting body and the second connecting body and used for locking the first connecting body and the second connecting body.

Preferably, the locking piece includes locking bolt, locking bolt with first connector swing joint, locking bolt is including loosening state and locking state, when locking bolt is in the loosening state, locking bolt with first connector swing joint, when locking bolt is in locking state, locking bolt supports tightly the second connector.

Preferably, the first sliding connecting sleeve and the second sliding connecting sleeve both comprise a threaded connecting part and a sealing connecting part, the threaded connecting part is provided with an internal thread, the first connecting body and the third connecting body are provided with an external thread, and the internal thread is matched with the external thread; the first sealing ring and the second sealing ring are arranged on the sealing connecting part, and the sealing connecting part is connected with the third connecting body and the fourth connecting body in a sealing manner.

The technical proposal provided by the utility model comprises a pump head, a pump body and a first telescopic connecting part; the pump head is connected respectively with the pump body in order to form the oil-submersible pump wholly in first expansion joint portion both ends, first expansion joint portion includes first connector and second connector, sliding connection between first connector and the second connector, finally form expansion joint portion's flexible performance, communicate between first connector and the second connector simultaneously, and then form the pipeline that can pass through oil, realize the transport of oil from the pump body to the pump head, the first expansion joint portion that has the elasticity can make the oil-submersible pump adapt to the not oil tank of equidimension, extend when the great first expansion joint portion of oil tank, first expansion joint portion contracts when the oil tank is less, avoid on-the-spot piping to have potential safety hazard and the higher problem of the degree of difficulty.

The utility model discloses preferred technical scheme can also produce following technological effect at least: the pump body is provided with a pump body, and the pump body is provided with a pump body, a first telescopic connecting part and a second telescopic connecting part, wherein the pump body is provided with a pump body;

the anti-drop part is used for preventing the first connector from being separated from the second connector, so that the integral extension length of the submersible pump is limited, and the phenomenon that a pipeline drops is avoided;

the first telescopic part and the second telescopic part both adopt a sleeve structure form, the sliding connection of the inner pipe and the outer pipe is realized through the connecting sleeve, the structure is easy to realize, and the field extension and the contraction are both convenient;

the arrangement of the first sealing ring and the second sealing ring prevents oil from entering a cable pipeline and also prevents internal oil from flowing out of the first sliding connection sleeve, so that the oil pumping efficiency is reduced;

still set up the locking piece, the locking piece is used for first connector of locking and second connector, and suitable length when adjusting be alright in order to avoid its excessive extension or shorten through the locking.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of an oil-submerged pump provided by an embodiment of the present invention;

fig. 2 is a schematic structural view of a first expansion joint portion provided in an embodiment of the present invention;

fig. 3 is an enlarged structural diagram of a joint of the second telescopic connecting portion according to an embodiment of the present invention;

fig. 4 is a schematic view of a partially enlarged structure of a connection portion of a first expansion portion according to an embodiment of the present invention;

fig. 5 is a schematic sectional view of the first sliding connection sleeve according to an embodiment of the present invention.

FIG. 1, pump head; 2. a pump body; 3. a first telescoping connection; 4. a first connecting body; 5. a second connector; 6. a cable; 7. a second telescoping connection section; 8. a third connector; 9. a fourth connector; 10. an anti-drop part; 11. a first sliding connecting sleeve; 12. a second sliding connecting sleeve; 13. a first seal ring; 14. a second seal ring; 15. a locking member; 16. a threaded connection; 17. the connecting portion is sealed.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The specific embodiment of the utility model provides an oil-submersible pump, which comprises a pump head 1, a pump body 2 and a first telescopic connecting part 3; the first telescopic connecting part 3 has a telescopic function, the length of the submersible pump can be increased or shortened, the structural form that the two ends of the first telescopic connecting part 3 are respectively connected with the pump head 1 and the pump body 2 is adopted, the telescopic function of the first telescopic connecting part 3 can be used for extending or shortening the distance between the pump head 1 and the pump body 2, the submersible pump with the telescopic length can meet the requirements of oil tanks with different sizes, the first telescopic connecting part 3 can be extended when the installed oil tank is large, and the first telescopic connecting part 3 can be retracted when the installed oil tank is small, so that the installation and use of the oil tank are finally met; further, the first telescopic connecting part 3 provided by the present application comprises a first connecting body 4 and a second connecting body 5, wherein the first connecting body 4 and the second connecting body 5 are slidably connected; and first connector 4 and second connector 5 intercommunication, the pump pressure through the pump body 2 that has in the oil tank enters into pump head 1 through first flexible connecting portion 3 in, then supplies with the user through the oil pipe that adds who connects on the pump head 1 and uses, sets up the flange on the pump head 1 and is used for the holistic fixed of latent oil pump, fixes latent oil pump to the oil storage tank through the flange.

In order to ensure the normal operation of the pump body 2, a necessary power supply needs to be provided for the pump body 2, and therefore, the pump body further needs to comprise a cable 6 and a second telescopic connecting portion 7, the second telescopic connecting portion 7 is used for protecting and ensuring the scalability of the cable 6, the second telescopic connecting portion 7 also adopts a structural form similar to that of the first telescopic connecting portion 3, specifically, a third connecting body 8 and a fourth connecting body 9, the third connecting body 8 is slidably connected with the fourth connecting body 9, the third connecting body 8 is hollow and is communicated with the fourth connecting body 9, the cable 6 is inserted into the third connecting body 8 and the fourth connecting body 9, the relative sliding between the third connecting body 8 and the fourth connecting body 9 realizes the telescopic function, the second telescopic connecting portion 7 in the application is arranged inside the first telescopic connecting portion 3, the cable 6 is inserted into the second telescopic connecting portion 7, can be bent or stretched out inside the second telescopic connection 7.

When the structural form of the first telescopic connecting portion 3 and the second telescopic connecting portion 7 is adopted, the second telescopic connecting portion 7 is required to be arranged in the first telescopic connecting portion 3, the second telescopic connecting portion 7 can be stretched along with the stretching of the first telescopic connecting portion 3, and the first telescopic connecting portion 3 plays a role in protecting the first telescopic connecting portion 3 inside.

First expansion joint portion 3 adopts the sliding connection mode of first connector 4 and second connector 5, still need set up anticreep portion 10, prevents through anticreep portion 10 that transition from growing and the problem that takes place to drop between first connector 4 and the second connector 5, and anticreep portion 10 sets up on first expansion joint portion 3.

The first connecting body 4 and the second connecting body 5 need to be connected through a first sliding connecting sleeve 11, the third connecting body 8 and the fourth connecting body 9 need to be connected through a second sliding connecting sleeve 12, the first sliding connecting sleeve 11 and the second sliding connecting sleeve 12 both play a role in sealing and sliding connection, and meanwhile, the first sliding connecting sleeve 11 is matched with the anti-falling part 10 to further achieve an anti-falling effect.

When the structural form of the first sliding connection sleeve 11 and the second sliding connection sleeve 12 is adopted, the first connecting body 4, the second connecting body 5, the third connecting body 8 and the fourth connecting body 9 are all pipe bodies; as shown in fig. 2-4, the first telescopic connection portion 3 and the second telescopic connection portion 7 provided in the present application may both adopt a sleeve structural form, and may be a circular tube or a square tube, etc., and in the present application, the first connection body 4 is sleeved outside the second connection body 5, the first sliding connection sleeve 11 is fixedly connected to one end of the first connection body 4 and slidably connected to the second connection body 5, the third connection body 8 is sleeved outside the fourth connection body 9, and the second sliding connection sleeve 12 is fixedly connected to one end of the third connection body 8 and slidably connected to the fourth connection body 9; the second telescopic connection 7 is arranged inside the first telescopic connection 3. The anti-falling part 10 is arranged at one end of the second connecting body 5 far away from the first sliding connecting sleeve 11, and when the anti-falling part 10 moves to the first sliding connecting sleeve 11, the first sliding connecting sleeve 11 limits the anti-falling part 10 to continue moving; because the second telescopic connecting portion 7 is arranged inside the first telescopic connecting portion 3, the anti-dropping portion 10 can be arranged only at the first telescopic connecting portion 3 for limiting the length of the external casing pipe, and then indirectly can limit the length of the internal casing pipe.

The anti-slip part 10 can adopt a structure form of annular convex, and with reference to fig. 3, the annular convex ring structure is specifically arranged on the outer circumference of the second connector 5 and is located at one end of the second connector extending into the first connector 4 or at a position close to the one end, and the diameter of the outer edge of the anti-slip part 10 is larger than that of the first sliding connector sleeve 11.

The upper end of the first connecting body 4 is fixedly connected with the pump head 1, the lower end of the first connecting body is connected with the second connecting body 5 in a sliding manner, and the lower end of the second connecting body 5 is fixedly connected with the pump body 2; the upper end of the fourth connector 9 is fixedly connected with the pump head 1, the lower end is slidably connected with the third connector 8, and the lower end of the third connector 8 is fixedly connected with the pump body 2.

With reference to fig. 3 and 4, the telescopic connecting device further comprises a first sealing ring 13 and a second sealing ring 14, the two sealing rings are used for isolating the inner space and the outer space of the first telescopic connecting part 3 and the inner space and the outer space of the second telescopic connecting part 7, and the first sealing ring 13 is arranged between the first sliding connecting sleeve 11 and the second connecting body 5; a second sealing ring 14 is arranged between the second sliding connection sleeve 12 and the fourth connecting body 9. The number of the first sealing ring 13 and the second sealing ring 14 can be two, so that the sealing capacity is enhanced.

A locking member 15 is further required to be arranged, as shown in fig. 5, the locking member 15 is used for locking the first telescopic connecting part 3, when the first telescopic connecting part 3 extends to a required length, the locking member 15 locks the first telescopic connecting part 3 to avoid the problem that the first telescopic connecting part 3 extends or contracts randomly, so that the installation of the submersible pump is influenced, and the locking member 15 is arranged on the first connecting body 4 and the second connecting body 5 and used for locking the first connecting body 4 and the second connecting body 5; specifically, as shown in fig. 5, the locking member 15 may adopt a structural form of a locking bolt, the locking bolt is movably connected with the first connecting body 4, the locking bolt may also be disposed on the first sliding connection sleeve 11, a mounting hole is disposed on the first sliding connection sleeve 11 or the first connecting body 4, the mounting hole may be a threaded hole, the locking bolt is screwed into the threaded hole, the threaded hole is a through hole, the locking bolt may be screwed to a position on the second connecting body 5 inside the locking bolt, when the locking bolt abuts against the second connecting body 5, the second connecting body 5 and the first connecting body 4 may not move relatively to achieve a locking effect.

The first sliding connection sleeve 11 and the second sliding connection sleeve 12 provided in the embodiment of the present application each include a threaded connection portion 16 and a sealing connection portion 17, as shown in fig. 5, a circular sleeve structure is adopted, an internal thread is provided in the threaded connection portion 16 connected to the first connection body 4 and the third connection body 8, the first connection body 4 and the third connection body 8 are provided with an external thread, and the internal thread is matched with the external thread; a first sealing ring 13 and a second sealing ring 14 are arranged on the sealing connection 17, fig. 5 shows a sectional view of the first sliding joint sleeve 11, the second sliding joint sleeve 12 being of similar construction, but lacking the locking member 15 and the structure of the mating part.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An oil-submerged pump is characterized by comprising a pump head (1), a pump body (2) and a first telescopic connecting part (3);

one end of the first telescopic connecting part (3) is communicated with the pump head (1), and the other end of the first telescopic connecting part is communicated with the pump body (2);

the first telescopic connecting part (3) comprises a first connecting body (4) and a second connecting body (5), and the first connecting body (4) is connected with the second connecting body (5) in a sliding manner;

the first connecting body (4) is communicated with the second connecting body (5).

2. The submersible pump according to claim 1, characterized by further comprising a cable (6) and a second telescopic connecting part (7), wherein the second telescopic connecting part (7) comprises a third connecting body (8) and a fourth connecting body (9), the third connecting body (8) and the fourth connecting body (9) are slidably connected, the third connecting body (8) and the fourth connecting body (9) are hollow and communicated with each other, and the cable (6) is arranged inside the third connecting body (8) and the fourth connecting body (9) in a penetrating manner.

3. The submersible pump according to claim 2, characterized in that the second telescopic connection (7) is arranged inside the first telescopic connection (3).

4. The submersible pump according to claim 2, characterized by further comprising a coming-off prevention portion (10) for preventing the first connecting body (4) and the second connecting body (5) from coming off, the coming-off prevention portion (10) being provided on the first telescopic connecting portion (3).

5. The submersible pump according to claim 4, characterized in that the first telescopic connection (3) and the second telescopic connection (7) each further comprise a first sliding connection sleeve (11) and a second sliding connection sleeve (12);

the first connecting body (4), the second connecting body (5), the third connecting body (8) and the fourth connecting body (9) are all tube bodies;

the first connecting body (4) is sleeved outside the second connecting body (5), and the third connecting body (8) is sleeved outside the fourth connecting body (9);

the first sliding connecting sleeve (11) is fixedly connected with one end of the first connecting body (4) and is in sliding connection with the second connecting body (5);

the anti-falling part (10) is arranged at one end, far away from the first sliding connecting sleeve (11), of the second connecting body (5), and when the anti-falling part (10) moves to the first sliding connecting sleeve (11), the first sliding connecting sleeve (11) limits the anti-falling part (10) to continue moving;

the second sliding connecting sleeve (12) is fixedly connected with one end of the third connecting body (8) and is in sliding connection with the fourth connecting body (9).

6. The submersible pump according to claim 4 or 5, characterized in that the retaining portion (10) is a ring projection provided in the outer circumferential direction of the second connecting body (5).

7. The submersible pump according to claim 5, characterized by further comprising a first sealing ring (13) and a second sealing ring (14), the first sealing ring (13) being arranged between the first sliding connection sleeve (11) and the second connection body (5); the second sealing ring (14) is arranged between the second sliding connecting sleeve (12) and the fourth connecting body (9).

8. The submersible pump according to claim 1, characterized by further comprising a locking member (15), the locking member (15) being provided on the first connecting body (4) and the second connecting body (5) for locking the first connecting body (4) and the second connecting body (5).

9. The submersible pump according to claim 8, characterized in that the locking member (15) comprises a locking bolt, which is movably connected to the first connecting body (4), the locking bolt comprising a relaxed state and a locked state, the locking bolt being movably connected to the first connecting body (4) when in the relaxed state, and the locking bolt being pressed against the second connecting body (5) when in the locked state.

10. The submersible pump according to claim 7, characterized in that the first sliding connection sleeve (11) and the second sliding connection sleeve (12) each comprise a threaded connection (16) and a sealing connection (17), the threaded connection (16) being provided with an internal thread, the first connection body (4) and the third connection body (8) being provided with an external thread, the internal thread and the external thread fitting together; the first sealing ring (13) and the second sealing ring (14) are arranged on the sealing connecting part (17), and the sealing connecting part is in sealing connection with the third connecting body (8) and the fourth connecting body (9).