CN220505381U - Anti-seepage variable speed pump - Google Patents

Anti-seepage variable speed pump Download PDF

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Publication number
CN220505381U
CN220505381U CN202322206165.1U CN202322206165U CN220505381U CN 220505381 U CN220505381 U CN 220505381U CN 202322206165 U CN202322206165 U CN 202322206165U CN 220505381 U CN220505381 U CN 220505381U
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China
Prior art keywords
slot
sealing
pump
pump body
variable speed
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CN202322206165.1U
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Chinese (zh)
Inventor
丰致良
冯黎
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Weifang Zhiliang Hydraulic Machinery Co ltd
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Weifang Zhiliang Hydraulic Machinery Co ltd
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Abstract

The utility model discloses an anti-seepage variable speed pump, which belongs to the field of variable speed pumps and comprises a pump body, a first threaded hole and a second threaded hole of a pump cover, wherein a first slot is formed in the periphery of one side, close to the first threaded hole, of the outer side wall of the pump body, a second slot is formed in one side, close to the second threaded hole, of the outer side wall of the pump cover, sealing strips which are matched with the first slot and the second slot are inserted into the first slot, connecting sealing gaskets are fixedly connected to the centers of the two sides of the outer side wall of the sealing strips, first sealing grooves which are matched with the connecting sealing gaskets are formed in the positions, located on the two sides of the first slot, of the outer side wall of the pump cover, and second sealing grooves which are matched with the connecting sealing gaskets are formed in the positions, located on the two sides of the second slot; through the cooperation of the pump body, the pump cover, the first threaded hole, the second threaded hole, the first slot, the second slot, the sealing strip, the connection sealing gasket, the first sealing groove and the second sealing groove, the tightness of the device is ensured as much as possible, and the leakage of the device is prevented.

Description

Anti-seepage variable speed pump
Technical Field
The utility model belongs to the technical field of variable speed pumps, and particularly relates to an anti-seepage variable speed pump.
Background
The loader is a kind of earth and stone construction machine widely used in construction engineering of highway, railway, building, hydropower, harbor, mine, etc.
The variable speed pump is one kind of hydraulic pump, and is driven by prime motor to rotate to convey oil with certain flow rate and pressure to the system continuously for driving the executing mechanism. It is an energy conversion device that converts mechanical energy of an electric motor (or other engine) into pressure energy of flowing liquid.
The prior Chinese patent with publication number of CN212959079U discloses a leakproof loader variable speed pump device, which comprises a pump body and a pump cover, wherein an inner cavity is arranged on the pump body, a high-pressure area and a low-pressure area are arranged in the inner cavity, annular diversion grooves are formed in one side, close to the pump cover, of the pump body and one side, close to the pump body, of the pump cover, and two groups of annular diversion grooves form a flow channel to communicate the high-pressure area and the low-pressure area.
With respect to the related art as described above, the inventors found that there are at least the following problems in this technology: under the drive of external force, the power gear rotates to drive liquid oil to enter from the oil inlet, the liquid oil is pressed into the high-pressure area through the low-pressure area, a small amount of liquid oil leaks outwards due to high pressure in the high-pressure area, and the oozed liquid oil flows back to the low-pressure area through the two groups of annular guide grooves, so that the liquid oil is prevented from leaking outwards of the variable speed pump, but when the pressure in the high-pressure area is too high, the liquid oil leakage is caused to be too large, and the liquid oil is at risk of directly leaking outwards from the guide grooves.
Disclosure of Invention
The utility model aims to provide an anti-seepage variable speed pump, which solves the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an prevention of seepage variable speed pump, includes the pump body and pump cover, first screw hole has been seted up to one side of pump body lateral wall, the second screw hole with first screw hole looks adaptation has been seted up to the lateral wall of pump cover, first slot has all been seted up around the pump body lateral wall is close to first screw hole one side, the second slot has been seted up to one side of pump cover lateral wall, peg graft in the first slot have with the sealing strip of first slot and the homophase adaptation of second slot, the equal fixedly connected with in center of sealing strip lateral wall both sides is sealed and is filled up, the pump body lateral wall is located the both sides of first slot and has been seted up with the first seal groove of connecting sealed pad looks adaptation, the pump cover lateral wall is located the both sides of second slot and has been seted up with the second seal groove of connecting sealed pad looks adaptation.
As a preferred implementation mode, auxiliary sealing grooves are formed in the periphery of the outer side wall of the pump body, which is located at the first threaded hole, and auxiliary sealing gaskets matched with the auxiliary sealing grooves are inserted in the auxiliary sealing grooves.
As a preferred implementation mode, one side of the inner side wall of the first sealing groove and one side of the inner side wall of the second sealing groove are fixedly connected with auxiliary sealing cutting, and two sides of the outer side wall of the connecting sealing gasket are provided with auxiliary sealing slots matched with the auxiliary sealing cutting.
As a preferred embodiment, the side of the inner side wall of the first sealing groove far away from the first slot and the side of the inner side wall of the second sealing groove far away from the second slot are both provided with first deformation grooves.
As a preferable implementation mode, the periphery of the inner side wall of the auxiliary sealing groove is provided with second deformation grooves.
As a preferred embodiment, the connection gasket and the auxiliary gasket are both butyl rubber gaskets.
Compared with the prior art, the utility model has the beneficial effects that:
according to the anti-seepage variable speed pump, through the cooperation of a pump body, a pump cover, a first threaded hole, a second threaded hole, a first slot, a second slot, a sealing strip, a connecting sealing gasket, a first sealing groove and a second sealing groove, before the pump cover is fixedly installed on the pump body, a worker firstly inserts the sealing strip into the first slot, then abuts the pump cover on the pump body, and ensures that the sealing strip is inserted into the second slot, and further ensures that the connecting sealing gasket is inserted into the first sealing groove and the second sealing groove, the installed device is sealed, and after the pump cover abuts the pump body, the worker can be connected with bolts through the arrangement of the first threaded hole and the second threaded hole in a threaded manner, so that the pump cover is fixedly installed on the pump body, the tightness of the device is ensured as much as possible, and leakage of the device is prevented;
this prevention of seepage variable speed pump, through the setting of supplementary seal groove and supplementary sealed pad, in inserting the sealing strip in the first slot, insert supplementary sealed pad in the supplementary seal groove, and then after fixing the pump cover in the pump body, supplementary sealed pad seals around first screw hole and second screw hole, avoids after bolt screw thread even inserts first screw hole and second screw hole as far as possible, and liquid oil takes place the seepage from between second screw hole and the bolt.
Drawings
FIG. 1 is a schematic perspective view of a pump cover according to the present utility model;
FIG. 2 is a schematic side view of the pump body of the present utility model;
fig. 3 is a schematic view of the present utility model in front cross-section.
In the figure: 1. a pump body; 2. a pump cover; 3. a first threaded hole; 4. a second threaded hole; 5. a first slot; 6. a second slot; 7. a sealing strip; 8. connecting a sealing gasket; 9. a first seal groove; 10. a second seal groove; 11. an auxiliary seal groove; 12. an auxiliary sealing gasket; 13. auxiliary sealing cutting; 14. an auxiliary sealing slot; 15. a first deformation tank; 16. a second deformation groove.
Detailed Description
The utility model is further described below with reference to examples.
The following examples are illustrative of the present utility model but are not intended to limit the scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and simple modifications of the method of the utility model under the premise of the conception of the utility model are all within the scope of the utility model as claimed.
Referring to fig. 1-3, the utility model provides an anti-seepage variable speed pump, comprising a pump body 1 and a pump cover 2, wherein a first threaded hole 3 is arranged on one side of the outer side wall of the pump body 1, a second threaded hole 4 matched with the first threaded hole 3 is arranged on the outer side wall of the pump cover 2, after the pump cover 2 is abutted against the pump body 1 by a worker through the arrangement of the first threaded hole 3 and the second threaded hole 4, bolts are connected in the first threaded hole 3 and the second threaded hole 4 in a threaded manner, so that the pump cover 2 is fixedly arranged on the pump body 1, a first slot 5 is arranged on the periphery of the outer side wall of the pump body 1 close to one side of the first threaded hole 3, a second slot 6 is arranged on one side of the outer side wall of the pump cover 2, a sealing strip 7 matched with the first slot 5 and the second slot 6 is inserted into the first slot 5, the center of sealing strip 7 lateral wall both sides is all fixedly connected with and is connected sealed 8, pump body 1 lateral wall is located the both sides of first slot 5 and has been seted up and connect sealed 8 looks adaptation first seal groove 9, pump cover 2 lateral wall is located the both sides of second slot 6 and has been seted up and connect sealed 8 looks adaptation second seal groove 10, before fixing pump cover 2 in pump body 1, the staff inserts sealing strip 7 first in slot 5 earlier, then with pump cover 2 butt pump body 1, and guarantee sealing strip 7 insert in the second slot 6, and then guarantee to connect sealed 8 insert in first seal groove 9 and the second seal groove 10, seal the device after installing.
Further, auxiliary sealing grooves 11 are formed in the periphery of the outer side wall of the pump body 1, which is located in the first threaded hole 3, auxiliary sealing gaskets 12 which are matched with the auxiliary sealing grooves 11 are inserted in the auxiliary sealing grooves 11, the auxiliary sealing gaskets 12 are inserted into the auxiliary sealing grooves 11 when the sealing strips 7 are inserted into the first slots 5, and then after the pump cover 2 is fixedly installed on the pump body 1, the auxiliary sealing gaskets 12 seal the periphery of the first threaded hole 3 and the periphery of the second threaded hole 4, so that leakage of liquid oil from the second threaded hole 4 to the bolts after the bolts are connected into the first threaded hole 3 and the second threaded hole 4 is avoided as much as possible.
Further, one side of the inner side wall of the first sealing groove 9 and one side of the inner side wall of the second sealing groove 10 are fixedly connected with auxiliary sealing cutting 13, two sides of the outer side wall of the connecting sealing gasket 8 are provided with auxiliary sealing slots 14 matched with the auxiliary sealing cutting 13, and when the pump cover 2 is fixedly installed on the pump body 1, the auxiliary sealing cutting 13 is inserted into the auxiliary sealing slots 14 through the arrangement of the auxiliary sealing cutting 13 and the auxiliary sealing slots 14, so that the sealing effect of the device is improved as much as possible.
Further, first deformation groove 15 has all been seted up to one side that first slot 5 was kept away from to first seal groove 9 inside wall and one side that second slot 6 was kept away from to second seal groove 10 inside wall, through the setting of first deformation groove 15, after pump cover 2 fixed mounting in pump body 1, the inside wall interference fit of connection sealing pad 8 and first seal groove 9 and second seal groove 10, first deformation groove 15 can reserve deformation space for connection sealing pad 8, and then avoid causing pump cover 2 fixed mounting to be inseparable in pump body 1 back pump cover 2 and the laminating of pump body 1 because of connection sealing pad 8 width is great as far as possible.
Further, the second deformation groove 16 has all been offered around the inside wall of supplementary seal groove 11 and has been passed through the setting of second deformation groove 16, after pump cover 2 fixed mounting in pump body 1, supplementary sealed 12 and supplementary seal groove 11 inside wall interference fit, second deformation groove 16 can reserve deformation space for supplementary sealed 12, and then avoids as far as possible because of supplementary sealed 12 width great causes pump cover 2 fixed mounting in pump body 1 back pump cover 2 and the laminating of pump body 1 not inseparable.
Further, the connecting sealing gasket 8 and the auxiliary sealing gasket 12 are both butyl rubber gaskets, and the service life of the device can be ensured as much as possible due to the good oil resistance, wear resistance and corrosion resistance of the butyl rubber.
The working principle and the using flow of the utility model are as follows: firstly, before inserting pump cover 2 fixed mounting in pump body 1, the staff inserts sealing strip 7 first in first slot 5, then with pump cover 2 butt pump body 1, and guarantee that sealing strip 7 inserts in second slot 6, and then guarantee that connection gasket 8 inserts in first seal groove 9 and second seal groove 10, seal the device after the installation, insert sealing strip 7 in first slot 5 in, insert supplementary sealing washer 12 in supplementary seal groove 11, and then after inserting pump cover 2 fixed mounting in pump body 1, supplementary sealing washer 12 seals around first screw hole 3 and second screw hole 4, avoid taking place between second screw hole 4 and bolt at the screw thread connection after first screw hole 3 and second screw hole 4 as far as possible, the staff can insert the bolt at first screw hole 3 and second screw hole 4 internal thread connection after pump cover 2 butt pump body 1, and then with pump cover 2 fixed mounting in pump body 1, through the setting of first deformation groove 15 and second deformation groove 16, after pump cover 2 fixed mounting in pump body 1, connection gasket 8 and second deformation pad 8 can be sealed with the gasket 12 in order to reserve the tight fit of first deformation groove 12, can avoid the tight seal groove of side wall 12 and the inside wall seal groove 1 to take place for the tight fit with the supplementary sealing washer 12 as far as possible after the interference gasket 1 is connected with the second seal groove 1.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an prevention of seepage variable speed pump, includes pump body (1) and pump cover (2), its characterized in that: first screw hole (3) have been seted up to one side of pump body (1) lateral wall, second screw hole (4) with first screw hole (3) looks adaptation have been seted up to the lateral wall of pump body (2), first slot (5) have all been seted up around that pump body (1) lateral wall is close to first screw hole (3) one side, second slot (6) have been seted up to one side of pump body (2) lateral wall, sealing strip (7) with first slot (5) and second slot (6) homophase adaptation have been inserted in first slot (5), the equal fixedly connected with in center of sealing strip (7) lateral wall both sides is connected with sealing pad (8), first seal groove (9) with connecting sealing pad (8) looks adaptation have been seted up to the both sides that pump body (1) lateral wall is located first slot (5), second seal groove (10) with connecting sealing pad (8) looks adaptation have been seted up to the both sides that pump body (2) lateral wall is located second slot (6).
2. The anti-seepage variable speed pump of claim 1, wherein: auxiliary sealing grooves (11) are formed in the periphery of the outer side wall of the pump body (1) located at the first threaded hole (3), and auxiliary sealing gaskets (12) matched with the auxiliary sealing grooves (11) are inserted into the auxiliary sealing grooves (11).
3. The anti-seepage variable speed pump of claim 1, wherein: auxiliary seal inserting strips (13) are fixedly connected to one side of the inner side wall of the first seal groove (9) and one side of the inner side wall of the second seal groove (10), and auxiliary seal inserting grooves (14) matched with the auxiliary seal inserting strips (13) are formed in two sides of the outer side wall of the connecting seal gasket (8).
4. The anti-seepage variable speed pump of claim 1, wherein: the side, far away from the first slot (5), of the inner side wall of the first sealing groove (9) and the side, far away from the second slot (6), of the inner side wall of the second sealing groove (10) are provided with first deformation grooves (15).
5. The anti-seepage variable speed pump of claim 2, wherein: the periphery of the inner side wall of the auxiliary sealing groove (11) is provided with a second deformation groove (16).
6. The anti-seepage variable speed pump of claim 2, wherein: the connecting sealing gasket (8) and the auxiliary sealing gasket (12) are both butyl rubber gaskets.
CN202322206165.1U 2023-08-16 2023-08-16 Anti-seepage variable speed pump Active CN220505381U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322206165.1U CN220505381U (en) 2023-08-16 2023-08-16 Anti-seepage variable speed pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322206165.1U CN220505381U (en) 2023-08-16 2023-08-16 Anti-seepage variable speed pump

Publications (1)

Publication Number Publication Date
CN220505381U true CN220505381U (en) 2024-02-20

Family

ID=89874364

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322206165.1U Active CN220505381U (en) 2023-08-16 2023-08-16 Anti-seepage variable speed pump

Country Status (1)

Country Link
CN (1) CN220505381U (en)

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