Sealing mechanism and draining pump

Abstract

The utility model relates to the technical field of drainage pumps, in particular to a sealing mechanism and a drainage pump, the surface of a drainage pump body is fixedly connected with a first flange plate, a connecting sleeve is connected with a second flange plate through a bolt, the second flange plate is fixedly connected to one end of a pipeline, and the connecting sleeve is clamped between the first flange plate and the second flange plate. An inserting hole is formed in the surface of the connecting sleeve, an elastic clamping ring is fixedly connected to the surface of the inserting hole, a bolt penetrates through the surface of the inserting hole, and the elastic clamping ring is clamped on the surface of the bolt; the drainage pump has the advantages that the connecting sleeve is additionally arranged between the flange devices, the gap between the flange plates is reduced, the elastic clamping ring is clamped between the screw holes, gaps and looseness between the bolts and the screw holes are avoided, the liquid leakage condition is avoided, and the drainage efficiency of the drainage pump is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of drainage pumps, in particular to a sealing mechanism and a drainage pump. Background Art

[0002] The washing machine drain pump is a key component in the washing machine. Its main function is to drain the sewage in the washing machine after the washing process is completed.

[0003] In the prior art, a threaded connection or a flange connection is usually used between the drain pump and the pipeline. When a flange connection is used, a flange plate is usually installed between the drain pump and the pipeline, and then fixed with bolts.

[0004] However, when using a flange device to fix the connection, there will be a gap between the drainage pump and the pipe due to the rigid connection, and there will be a size error between the bolts and the screw holes, which will cause gaps and looseness between the bolts and the screw holes, resulting in leakage. Utility Model Content

[0005] The purpose of the utility model is to provide a sealing mechanism and a drainage pump to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sealing mechanism and a drainage pump, comprising a drainage pump body, a flange 1 is fixedly connected to the surface of the drainage pump body, a connecting sleeve is connected to a flange 2 by bolts, the flange 2 is fixedly connected to one end of a pipeline, a connecting sleeve is clamped between the flange 1 and the flange 2, a socket is provided on the surface of the connecting sleeve, an elastic clamp is fixedly connected to the surface of the socket, the surface of the socket is penetrated by the bolt, and the elastic clamp is clamped on the surface of the bolt.

[0007] Preferably, the connecting sleeve is an annular plate structure with an I-shaped cross section, and rubber grooves are provided on both side surfaces of the connecting sleeve.

[0008] Preferably, the rubber groove is an annular groove, and a rubber ring is fixedly connected to the surface of the rubber groove. The rubber ring is an annular structure, one rubber ring is clamped between the connecting sleeve and flange one, and the other rubber ring is clamped between the connecting sleeve and flange two.

[0009] Preferably, the plug hole is a circular hole, and the plug hole corresponds to the screw holes on the surface of the flange plate 1 and the flange plate 2.

[0010] A fixing plate groove is provided on the surface of the jack.

[0011] Preferably, a plurality of snap ring grooves are provided on the surface of the elastic snap ring, and the elastic snap rings are respectively inserted into the screw holes of flange plate 1 and flange plate 2 to clamp and squeeze the bolts.

[0012] Preferably, a drainage pump comprises a sealing mechanism.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The sealing mechanism and drainage pump proposed by the utility model are equipped with a connecting sleeve between the flange devices, which reduces the gap between the flange plates, clamps the elastic clamping ring between the screw holes, avoids the generation of gaps and looseness between the bolts and the screw holes, avoids liquid leakage, and improves the drainage efficiency of the drainage pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a half-section schematic diagram of the structure of the utility model;

[0017] Figure 3 for Figure 2 A schematic diagram of the structure enlargement in the middle;

[0018] Figure 4 It is a partial schematic diagram of the structure of the utility model;

[0019] Figure 5 It is a partial schematic diagram of the structure of the utility model.

[0020] In the figure: drainage pump body 1, connecting sleeve 2, flange one 3, flange two 4, fixing plate 5, elastic snap ring 6, snap ring groove 7, rubber ring 8, rubber groove 9, jack 10, fixing plate groove 11, bolt 12, pipe 13. DETAILED DESCRIPTION

[0021] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Embodiment 1

[0023] See also Figure 1-Figure 2The utility model provides a technical solution: a sealing mechanism and a drainage pump, comprising a drainage pump body 1, a flange 3 is fixedly connected to the surface of the drainage pump body 1, a connecting sleeve 2 is connected to a flange 2 4 through a bolt 12, the flange 2 4 is fixedly connected to one end of a pipe 13, a connecting sleeve 2 is clamped between the flange 1 3 and the flange 2 4, a plug hole 10 is opened on the surface of the connecting sleeve 2, an elastic clamping ring 6 is fixedly connected to the surface of the plug hole 10, the surface of the plug hole 10 is penetrated by the bolt 12, and the elastic clamping ring 6 is clamped on the surface of the bolt 12, a connecting sleeve is installed between the flange devices, the gap between the flanges is reduced, the elastic clamping ring is clamped between the screw holes, the gap and looseness between the bolts and the screw holes are avoided, the leakage is avoided, and the drainage efficiency of the drainage pump is improved.

[0024] Embodiment 2

[0025] See also Figure 3 On the basis of the first embodiment, in order to improve the sealing between the flange 1 3 and the flange 2 4, the connecting sleeve 2 is an annular plate structure with an I-shaped cross section, and rubber grooves 9 are provided on the surfaces of both sides of the connecting sleeve 2. The rubber grooves 9 are annular grooves, and a rubber ring 8 is fixedly connected to the surface of the rubber groove 9. The rubber ring 8 is an annular structure. One rubber ring 8 is clamped between the connecting sleeve 2 and the flange 1 3, and the other rubber ring 8 is clamped between the connecting sleeve 2 and the flange 2 4. The plug hole 10 is a circular hole, and the plug hole 10 corresponds to the screw holes on the surfaces of the flange 1 3 and the flange 2 4, and a fixing plate groove 11 is provided on the surface of the plug hole 10.

[0026] The rubber rings 8 are fixedly connected on both sides of the surface of the connecting sleeve 2 in order to firmly clamp the flange 1 3 and the flange 2 4 , reduce the gap between the flange 1 3 and the flange 2 4 , and enhance the sealing performance.

[0027] Embodiment 3

[0028] See also Figure 4-Figure 5 On the basis of the second embodiment, in order to achieve a stable connection between the bolt 12 and the screw hole, the fixing plate groove 11 is an annular groove, and the surface of the fixing plate groove 11 is fixedly connected with the fixing plate 5, and the fixing plate 5 is an annular plate structure. The elastic snap ring 6 is fixedly connected to the two side surfaces of the fixing plate 5, and a plurality of snap ring grooves 7 are opened on the surface of the elastic snap ring 6. The elastic snap ring 6 is respectively inserted into the screw holes of the flange 1 3 and the flange 2 4 to clamp and squeeze the bolt 12.

[0029] The purpose of providing the elastic clamping ring 6 is to clamp the bolt, reduce the gap between the bolt 12 and the screw hole, and avoid loosening between the bolt 12 and the screw hole due to an error in the size of the bolt 12 and the screw hole.

[0030] Embodiment 4

[0031] A drainage pump comprises a sealing structure.

[0032] In actual use, firstly, flange 1 3 and flange 2 4 are matched with the connecting sleeve 2, and the rubber rings 8 on the surfaces of both sides of the connecting sleeve 2 are clamped between flange 1 3 and flange 2 4 respectively, and the rubber rings 8 are deformed, and then the elastic retaining rings 6 fixed on the surface of the connecting sleeve 2 are respectively inserted into the screw holes, and finally the bolts 12 are passed through the screw holes and the insertion holes 10 in turn, the bolts 12 squeeze and clamp the elastic retaining rings 6, and the nuts are screwed to avoid the gap between the bolts 12 and the screw holes, thereby improving the sealing of the bolted connection.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sealing mechanism, comprising a drainage pump body (1), a flange plate 1 (3) being fixedly connected to the surface of the drainage pump body (1), a connecting sleeve (2) being connected to a flange plate 2 (4) via bolts (12), and the flange plate 2 (4) being fixedly connected to one end of a pipe (13), characterized in that: A connecting sleeve (2) is clamped between the flange plate 1 (3) and the flange plate 2 (4); a plug hole (10) is provided on the surface of the connecting sleeve (2); an elastic clamping ring (6) is fixedly connected to the surface of the plug hole (10); a bolt (12) penetrates the surface of the plug hole (10), and the elastic clamping ring (6) is clamped on the surface of the bolt (12).

2. A sealing mechanism according to claim 1, characterized in that: The connecting sleeve (2) is an annular plate structure with an "I"-shaped cross section, and rubber grooves (9) are provided on both side surfaces of the connecting sleeve (2).

3. A sealing mechanism according to claim 2, characterized in that: The rubber groove (9) is an annular groove, and a rubber ring (8) is fixedly connected to the surface of the rubber groove (9). The rubber ring (8) is an annular structure. One rubber ring (8) is clamped between the connecting sleeve (2) and the first flange (3), and the other rubber ring (8) is clamped between the connecting sleeve (2) and the second flange (4).

4. A sealing mechanism according to claim 1, characterized in that: The insertion hole (10) is a circular hole, and the insertion hole (10) corresponds to the screw holes on the surfaces of the first flange (3) and the second flange (4), and a fixing plate groove (11) is provided on the surface of the insertion hole (10).

5. A sealing mechanism according to claim 4, characterized in that: The fixing plate groove (11) is an annular groove, a fixing plate (5) is fixedly connected to the surface of the fixing plate groove (11), the fixing plate (5) is an annular plate structure, and elastic clamping rings (6) are fixedly connected to the two side surfaces of the fixing plate (5).

6. A sealing mechanism according to claim 1, characterized in that: The surface of the elastic snap ring (6) is provided with a plurality of snap ring grooves (7). The elastic snap ring (6) is respectively inserted into the screw holes of the flange plate 1 (3) and the flange plate 2 (4) to clamp and squeeze the bolts (12).

7. A drainage pump, characterized in that: The invention comprises the sealing mechanism described in any one of claims 1 to 6.

Images