Quick connection type submersible pump coupling device

Abstract

The utility model provides a quick connection type submersible pump coupling device which comprises a water outlet flange arranged on a submersible pump and a water outlet pipe used for being connected with the water outlet flange, a sealing groove is formed in the surface of the water outlet flange, a sealing ring is arranged in the sealing groove, the sealing ring abuts against the end of the water outlet pipe, and the water outlet pipe is connected with the water outlet flange. The end face of the water outlet flange is fixedly connected with a mounting ring, the mounting ring is connected with a clamping block through an elastic structure, the clamping block is provided with a power assisting inclined face, the outer wall of the water outlet pipe is fixedly connected with a fixing ring, and the outer wall of the fixing ring is provided with a containing groove and a guiding inclined face. The guiding inclined face is arranged on the inner wall of the containing groove, the clamping block is arranged in the containing groove, the assisting inclined face corresponds to the guiding inclined face, the fixing ring continuously tends to move towards the water outlet flange, and therefore the purposes of quick disassembly and quick assembly are achieved.

Description

Technical Field

[0001] The utility model relates to a quick-connect coupling device for a submersible pump. Background Art

[0002] At present, a Chinese patent with the publication number of CN103062103A discloses a coupling sealing device for a submersible pump, which relates to a submersible pump. An outlet flange is provided on an outlet pipe, a coupling flange is provided on the outlet flange, a sealing groove with a trapezoidal cross-section is provided on the coupling flange, a sealing ring with a trapezoidal cross-section is provided in the sealing groove, the thickness of the sealing ring is higher than the depth of the sealing groove, and when the coupling flange is coupled with the outlet flange, the surface of the sealing ring protruding from the sealing groove fits and seals with the end face of the outlet flange. The sealing ring with a trapezoidal cross-section has high strength and will not be completely compressed into the sealing groove when the pump vibrates, thus separating the coupling flange from the outlet flange, avoiding the metal-to-metal collision between the coupling flange and the outlet flange, reducing the vibration of the pump set, and prolonging the service life of the pump.

[0003] However, when installing the outlet pipe and the outlet flange, a plurality of bolts and nuts are required to fix the outlet flange on the outlet pipe. And in order to make the force on the sealing ring uniform and avoid water leakage from the gap between the sealing ring and the outlet pipe, the plurality of bolts must be evenly distributed along the axis of the outlet flange, so it is more inconvenient during the disassembly and assembly process. Content of the Utility Model

[0004] In view of this, the purpose of the utility model is to provide a quick-connect coupling device for a submersible pump to achieve the effect of quick disassembly and assembly.

[0005] To solve the above technical problems, the technical solution of the utility model is: a quick-connect coupling device for a submersible pump, including an outlet flange arranged on the submersible pump and an outlet pipe for connecting with the outlet flange. A sealing groove is formed on the surface of the outlet flange, a sealing ring is arranged in the sealing groove, the sealing ring abuts against the end of the outlet pipe, an installation ring is fixedly connected to the end face of the outlet flange, the installation ring is connected with a clamping block through an elastic structure, a boosting inclined surface is formed on the clamping block, a fixing ring is fixedly connected to the outer wall of the outlet pipe, a placing groove and a guiding inclined surface are formed on the outer wall of the fixing ring, the guiding inclined surface is formed on the inner wall of the placing groove, the clamping block is placed in the placing groove and the boosting inclined surface corresponds to the guiding inclined surface and makes the fixing ring continuously have a tendency to move towards the direction close to the outlet flange.

[0006] To implement the above technical solution, move the water outlet pipe towards the water outlet flange. The fixing ring is located inside the mounting ring. When the end of the water outlet pipe abuts against the sealing ring, the elastic structure causes the clamping block to be embedded in the placement groove. Moreover, the assisting inclined surface abuts against the guiding inclined surface. Through the conduction between the assisting inclined surface and the guiding inclined surface, the clamping block can continuously apply a force to the fixing ring towards the water outlet flange, so that the sealing ring can always be in a tightly abutted state with the end of the water outlet pipe, improving the sealing performance. And only by docking the water outlet pipe with the water outlet flange can the installation be completed, and the installation process is convenient.

[0007] As a preferred solution of the present utility model, the elastic structure includes a mounting groove, a first magnet, a second magnet, and an anti-detachment plate. The mounting groove is opened on the inner wall of the mounting ring. The first magnet is fixed on the inner wall of the mounting groove. The second magnet is fixed on the clamping block and repels the first magnet. The anti-detachment plate is threadedly connected to the end of the mounting groove and abuts against the end of the clamping block. The clamping block passes through the middle of the anti-detachment plate.

[0008] To implement the above technical solution, fix the first magnet in the mounting groove, fix the second magnet on the clamping block, place the clamping block in the mounting groove, and then threadedly connect the anti-detachment plate to the mounting groove so that the anti-detachment plate abuts against the end of the clamping block. Through the repulsive force between the first magnet and the second magnet, the clamping block has a tendency to move away from the mounting groove, and the anti-detachment plate is provided to prevent the clamping block from easily detaching from the mounting groove.

[0009] As a preferred solution of the present utility model, a guiding post is fixedly connected to the outer wall of the fixing ring, and a guiding groove is opened on the inner wall of the mounting ring. The length direction of the guiding groove is parallel to the axial direction of the mounting ring. The guiding post is slidably connected in the guiding groove.

[0010] To implement the above technical solution, move the fixing ring towards the mounting ring so that the guiding post is slidably connected in the guiding groove, so as to facilitate the alignment of the anti-detachment plate with the placement groove.

[0011] As a preferred solution of the present utility model, an extension section is integrally provided at one end of the fixing ring away from the water outlet flange. A placement ring groove is opened on the extension section, and the placement ring groove is located outside the mounting ring.

[0012] To implement the above technical solution, by grasping the placement ring groove, it is convenient to move the water outlet pipe towards or away from the water outlet flange.

[0013] As a preferred solution of the present utility model, a plurality of placement ring grooves are provided and arranged along the length direction of the extension section.

[0014] Implementing the above technical solution increases the friction between the hand and the fixed ring, improving the comfort of moving the outlet pipe.

[0015] As a preferred embodiment of the present utility model, a limiting ring groove is provided on the outer wall of the sealing ring, and a limiting convex ring is fixedly connected to the inner wall of the sealing groove, and the limiting convex ring is embedded in the limiting ring groove.

[0016] Implementing the above technical solution, the sealing ring is embedded into the sealing groove, and the limiting convex ring is embedded into the limiting ring groove, so that the sealing ring is not easily disengaged from the sealing groove.

[0017] As a preferred embodiment of the present utility model, one end of the sealing ring away from the limiting ring groove has a contact portion for abutting against the outlet pipe, and the sealing ring is gradually enlarged in the direction approaching the contact portion.

[0018] Implementing the above technical solution, the setting of the contact portion increases the contact area between the sealing ring and the end of the outlet pipe, greatly improving the sealing performance. Moreover, the continuous extrusion force of the outlet pipe on the sealing ring can be more uniform, and it is not easy to cause the sealing ring to be distorted, folded or damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the external structure in the embodiment;

[0020] Figure 2 It is a schematic cross-sectional view showing the sealing ring;

[0021] Figure 3 It is a schematic cross-sectional view showing the clamping block.

[0022] Reference numerals: 1, outlet flange; 2, outlet pipe; 31, sealing groove; 32, sealing ring; 33, limiting ring groove; 34, limiting convex ring; 35, contact portion; 4, mounting ring; 5, elastic structure; 51, mounting groove; 52, first magnet; 53, second magnet; 54, anti-disengagement plate; 55, clamping block; 56, assisting inclined surface; 57, square rod; 6, fixed ring; 61, placing groove; 62, guiding inclined surface; 71, guiding column; 72, guiding groove; 8, extending section; 81, placing ring groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The following further details the specific embodiments of the present utility model in conjunction with the drawings, so that the technical solution of the present utility model can be more easily understood and mastered.

[0024] A quick-connect submersible pump coupling device includes an outlet flange 1 fixed to the submersible pump and an outlet pipe 2 for connecting to the outlet flange 1.

[0025] On the surface of the water outlet flange 1, an annular sealing groove 31 is formed, and a sealing ring 32 is arranged in the sealing groove 31. A limiting ring groove 33 is formed on the outer wall of the sealing ring 32, and the limiting ring groove 33 is coaxially arranged with the sealing ring 32. A limiting convex ring 34 is fixedly connected to the inner wall of the sealing groove 31. After the sealing ring 32 is embedded into the sealing groove 31, the limiting convex ring 34 is embedded into the limiting ring groove 33, so as to realize the positioning of the sealing ring 32.

[0026] At one end of the sealing ring away from the limiting ring groove 33, there is a contact portion 35 for contacting with the water outlet pipe 2. The sealing ring is gradually enlarged in the direction close to the contact portion 35, that is, the contact portion 35 presents a trumpet shape in cross section, so as to increase the contact area with the water outlet pipe 2.

[0027] An installation ring 4 is fixedly connected to the end face of the water outlet flange 1, and the installation ring 4 is coaxially arranged with the water outlet flange 1. The installation ring 4 is connected with a clamping block 55 through an elastic structure 5. The elastic structure 5 includes an installation groove 51, a first magnet 52, a second magnet 53 and an anti-disengagement plate 54. The installation groove 51 is formed on the inner wall of the installation ring 4, the first magnet 52 is fixed on the inner wall of the installation groove 51, the second magnet is fixed at the end of the clamping block 55 and repels the first magnet 52. The clamping block 55 is slidably connected to the installation groove 51 through a square rod 57.

[0028] The anti-disengagement plate 54 is threadedly connected to the end of the installation groove 51 and abuts against the end of the clamping block 55, and the clamping block 55 passes through the middle of the anti-disengagement plate 54.

[0029] Both the first magnet 52 and the second magnet 53 are magnets, which can adsorb impurities such as small iron sheets in the water to improve safety.

[0030] A boosting inclined surface 56 is formed on the clamping block 55.

[0031] A fixing ring 6 is fixedly connected to the outer wall of the water outlet pipe 2. A placing groove 61 and a guiding inclined surface 62 are formed on the outer wall of the fixing ring 6, and the guiding inclined surface 62 is formed on the inner wall of the placing groove 61. The clamping block 55 is placed in the placing groove 61 and the boosting inclined surface 56 corresponds to the guiding inclined surface 62. Through the interaction between the first magnet 52 and the second magnet 53, the fixing ring 6 continuously has a tendency to move towards the water outlet flange 1.

[0032] A guiding column 71 is fixedly connected to the outer wall of the fixing ring 6, and the length direction of the guiding column 71 is along the axial direction of the fixing ring 6. A guiding groove 72 is formed on the inner wall of the installation ring 4, and the length direction of the guiding groove 72 is parallel to the axial direction of the installation ring 4. The guiding column 71 is slidably connected to the guiding groove 72, so that the clamping block 55 can correspond to the placing groove 61.

[0033] An extension section 8 is integrally provided at one end of the fixed ring 6 away from the water outlet flange 1. A placement ring groove 81 is formed in the extension section 8, and the placement ring groove 81 is located outside the mounting ring 4. There are multiple placement ring grooves 81 and they are arranged along the length direction of the extension section 8.

[0034] Of course, the above are only typical examples of the present invention. In addition, the present invention can also have many other specific implementation manners. Any technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present invention.

Claims

1. A quick-connect submersible pump coupling device, comprising a water outlet flange (1) provided on the submersible pump and a water outlet pipe (2) for connecting with the water outlet flange (1). A sealing groove (31) is formed on the surface of the water outlet flange (1), and a sealing ring (32) is arranged in the sealing groove (31). The sealing ring (32) abuts against the end of the water outlet pipe (2), and it is characterized in that: An installation ring (4) is fixedly connected to the end face of the described water outlet flange (1). The installation ring (4) is connected to a clamping block (55) through an elastic structure (5). A boosting inclined surface (56) is provided on the clamping block (55). A fixing ring (6) is fixedly connected to the outer wall of the water outlet pipe (2). A placement groove (61) and a guiding inclined surface (62) are provided on the outer wall of the fixing ring (6). The guiding inclined surface (62) is provided on the inner wall of the placement groove (61). The clamping block (55) is placed in the placement groove (61) such that the boosting inclined surface (56) corresponds to the guiding inclined surface (62) and causes the fixing ring (6) to continuously tend to move towards the water outlet flange (1).

2. The quick-connect submersible pump coupling device according to claim 1, characterized in that: The described elastic structure (5) includes an installation groove (51), a first magnet (52), a second magnet (53), and an anti - detachment plate (54). The installation groove (51) is provided on the inner wall of the installation ring (4). The first magnet (52) is fixed to the inner wall of the installation groove (51). The second magnet is fixed to the clamping block (55) and repels the first magnet (52). The anti - detachment plate (54) is threadedly connected to the end of the installation groove (51) and abuts against the end of the clamping block (55). The clamping block (55) passes through the middle of the anti - detachment plate (54).

3. The quick-connect submersible pump coupling device according to claim 1, characterized in that: A guiding post (71) is fixedly connected to the outer wall of the fixing ring (6). A guiding groove (72) is provided on the inner wall of the installation ring (4). The length direction of the guiding groove (72) is parallel to the axial direction of the installation ring (4). The guiding post (71) is slidably connected in the guiding groove (72).

4. A quick-connect submersible pump coupling device according to claim 1, characterized in that: An extension section (8) is integrally provided at one end of the fixing ring (6) away from the water outlet flange (1). A placement ring groove (81) is provided on the extension section (8). The placement ring groove (81) is located outside the installation ring (4).

5. The quick-connect submersible pump coupling device according to claim 4, characterized in that: There are multiple placement ring grooves (81) arranged along the length direction of the extension section (8).

6. The quick-connect submersible pump coupling device according to claim 1, characterized in that: A limiting ring groove (33) is provided on the outer wall of the sealing ring (32). A limiting convex ring (34) is fixedly connected to the inner wall of the sealing groove (31). The limiting convex ring (34) is embedded in the limiting ring groove (33).

7. The quick-connect submersible pump coupling device according to claim 6, characterized in that: One end of the sealing ring away from the limiting ring groove (33) has a contact part (35) for abutting against the water outlet pipe (2). The sealing ring is gradually enlarged towards the direction close to the contact part (35).

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