CN219262637U

CN219262637U - Novel booster pump diaphragm protection architecture

Info

Publication number: CN219262637U
Application number: CN202320874974.7U
Authority: CN
Inventors: 徐慧; 赵云; 周玉龙
Original assignee: Dalian Fangchen Yunhai Technology Co ltd
Current assignee: Dalian Fangchen Yunhai Technology Co ltd
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2023-06-27
Anticipated expiration: 2033-04-19

Abstract

The utility model discloses a novel booster water pump diaphragm protection structure, which comprises: the center of the left end face of the protective frame is provided with a yielding hole in a penetrating way; the movable block is arranged in the cavity of the protective frame, a slip ring is fixedly sleeved on the outer wall of the movable block, and the outer wall of the slip ring is in fit sliding connection with the inner wall of the protective frame. In the device, the protective shell of the diaphragm is formed by adopting the protective frame, the flanging ring and the annular cover plate which is hollowed out, so as to compensate the working abrasion of the diaphragm, meanwhile, a sliding block and a sliding ring are arranged in the protective frame, a spring assembly is connected between the sliding ring and the protective frame, when the diaphragm is deformed backwards under the action of water pressure, the sliding block moves backwards into the yielding hole, static pressure is formed between the diaphragm and the protective frame, and the elastic force of the spring assembly is matched, so that the diaphragm cannot be excessively deformed or even damaged due to overlarge water pressure.

Description

Novel booster pump diaphragm protection architecture

Technical Field

The utility model particularly relates to the technical field of water pumps, in particular to a novel booster water pump diaphragm protection structure.

Background

At present, booster pump widely applies to the water supply operation field, and diaphragm in it is to its decisive role of water supply volume, and according to the principle of action of water pressure, this field researcher carries out the structural upgrade to the diaphragm to reduce wearing and tearing, but still can not change the diaphragm and become wearing and tearing, become the key position that hinders diaphragm booster pump life-span improvement, consequently, need put forward a novel booster pump diaphragm protection architecture in order to solve above-mentioned problem.

Disclosure of Invention

In order to achieve the above purpose, the present utility model provides the following technical solutions: a novel booster water pump diaphragm protection architecture, it includes:

the center of the left end face of the protective frame is provided with a yielding hole in a penetrating way;

the movable block is arranged in the cavity of the protective frame, a slip ring is fixedly sleeved on the outer wall of the movable block, the outer wall of the slip ring is in fit sliding connection with the inner wall of the protective frame, the slip ring can drive the movable block to slide into the yielding hole under the pushing action, and a spring assembly is connected between the left side wall of the slip ring and the inner wall of the protective frame;

the edge folding part of the edge folding ring is fixed on the right end face of the protective frame by a plurality of fastening bolts;

the diaphragm slides into the protective frame from the ring opening of the edge folding ring, the edge folding part of the diaphragm is adaptively clamped at the inner ring part of the edge folding ring, and the left end face of the diaphragm is propped against the right end face of the moving block;

and the left end face of the pressing cylinder is adaptively pressed on the right side wall of the diaphragm, an annular cover plate is fixedly sleeved on the side wall of the right end part of the pressing cylinder, one end of an outer sealing ring is fixedly welded on the left side wall of the annular cover plate, the other end of the outer sealing ring is fixedly welded on the edge folding ring, and the inner wall of the outer sealing ring is propped against the edge folding part of the diaphragm.

Further, preferably, a rubber compression ring is provided between the outer seal ring, the annular cover plate and the flange portion of the diaphragm.

Further, preferably, the side wall of the annular cover plate is hollowed out.

Further, preferably, a plurality of positioning columns are circumferentially arrayed on the right side wall of the slip ring, and the tops of the positioning columns are adaptively clamped into notches on the annular step surface of the diaphragm.

Further, preferably, the spring assembly is composed of an arch-shaped elastic rib and a rubber sleeve wrapped on the arch-shaped elastic rib, and the rubber sleeve is connected between the slip ring and the guard frame.

Compared with the prior art, the utility model has the following beneficial effects: in the device, the protective shell of the diaphragm is formed by adopting the protective frame, the flanging ring and the annular cover plate which is hollowed out, so as to compensate the working abrasion of the diaphragm, meanwhile, a sliding block and a sliding ring are arranged in the protective frame, a spring assembly is connected between the sliding ring and the protective frame, when the diaphragm is deformed backwards under the action of water pressure, the sliding block moves backwards into the yielding hole, static pressure is formed between the diaphragm and the protective frame, and the elastic force of the spring assembly is matched, so that the diaphragm cannot be excessively deformed or even damaged due to overlarge water pressure.

Drawings

FIG. 1 is a structural cross-sectional view of a novel booster water pump diaphragm protection structure;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

fig. 3 is an enlarged schematic view of a portion B in fig. 2.

In the figure: 1. positioning columns; 2. an outer seal ring; 3. an annular cover plate; 4. pressing a cylinder; 5. a membrane; 6. a fastening bolt; 7. a protective frame; 8. a relief hole; 9. a moving block; 10. a slip ring; 11. a rubber sleeve; 12. a rubber press ring; 13. and (5) a folding edge ring.

Detailed Description

In conjunction with the drawings in the embodiments of the present utility model, the technical solutions of the embodiments of the present utility model will be clearly and completely described below.

Examples: referring to fig. 1-3, the present utility model provides a technical solution: a novel booster water pump diaphragm protection architecture, it includes:

the center of the left end face of the protective frame 7 is provided with a yielding hole 8 in a penetrating way;

the movable block 9 is arranged in the cavity of the protective frame 7, a sliding ring 10 is fixedly sleeved on the outer wall of the movable block 9, the outer wall of the sliding ring 10 is in fit sliding connection with the inner wall of the protective frame 7, the sliding ring 10 can drive the movable block 9 to slide into the yielding hole 8 under the pushing action, and a spring assembly is connected between the left side wall of the sliding ring 10 and the inner wall of the protective frame 7;

the edge folding part of the edge folding ring 13 is fixed on the right end surface of the protective frame 7 by a plurality of fastening bolts 6;

the diaphragm 5, the diaphragm 5 slides into the protective frame 7 from the ring opening of the flanging ring 13, and the flanging part of the diaphragm 5 is adaptively clamped at the inner ring part of the flanging ring 13, and the left end face of the diaphragm 5 is propped against the right end face of the moving block 9;

specifically, the membrane 5 is made of a polyfluortetraethylene material;

and the pressing cylinder 4, the left end face of the pressing cylinder 4 is adapted to be pressed on the right side wall of the diaphragm 5, the side wall of the right end part of the pressing cylinder 4 is fixedly sleeved with the annular cover plate 3, one end of the outer sealing ring 2 is fixedly welded on the left side wall of the annular cover plate 3, the other end of the outer sealing ring 2 is fixedly welded on the flanging ring 13, and the inner wall of the outer sealing ring 2 is propped against the flanging part of the diaphragm 5.

In this embodiment, a rubber press ring 12 is provided between the outer seal ring 2, the annular cover plate 3, and the folded edge portion of the diaphragm 5.

In this embodiment, the side wall of the annular cover plate 3 is hollowed out.

In this embodiment, a plurality of positioning posts 1 are circumferentially arrayed on the right side wall of the slip ring 10, and the top of the positioning posts 1 is adapted to be clamped into a notch on the annular step surface of the diaphragm 5.

In this embodiment, the spring assembly is composed of an arch-shaped elastic rib and a rubber sleeve 11 wrapped on the arch-shaped elastic rib, and the rubber sleeve 11 is connected between the slip ring 10 and the protection frame 7.

In the concrete implementation, adopt the protective housing of protective frame 7, the annular apron 3 that edge folding ring 13 and fretwork set up to constitute diaphragm 5, with the work wearing and tearing of compensation diaphragm 5, simultaneously, be provided with slidable movable block 9 and sliding ring 10 in protective frame 7, and be connected with the spring assembly between sliding ring 10 and the protective frame 7, when diaphragm 5 receives the water pressure effect when being out of shape backward, movable block 9 moves back to in the hole 8 of stepping down for be formed with the static pressure between diaphragm 5 and the protective frame 7, cooperate spring assembly's elasticity again, thereby can not lead to its excessive deformation because of the water pressure is too big in order to guarantee diaphragm 5, even damage.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. Novel booster water pump diaphragm protection architecture, its characterized in that includes:

the central position of the left end face of the protective frame (7) is provided with a yielding hole (8) in a penetrating way;

the movable block (9), the movable block (9) is arranged in the cavity of the guard frame (7), a slip ring (10) is fixedly sleeved on the outer wall of the movable block (9), the outer wall of the slip ring (10) is in fit sliding connection with the inner wall of the guard frame (7), the slip ring (10) can drive the movable block (9) to slide into the abdication hole (8) under the pushing and pressing action, and a spring pressing assembly is connected between the left side wall of the slip ring (10) and the inner wall of the guard frame (7);

the edge folding ring (13), the edge folding part of the edge folding ring (13) is fixed on the right end surface of the protective frame (7) by a plurality of fastening bolts (6);

the membrane (5) slides into the protective frame (7) from the ring opening of the flanging ring (13), the flanging part of the membrane (5) is adaptively clamped at the inner ring part of the flanging ring (13), and the left end face of the membrane (5) is propped against the right end face of the moving block (9);

and press a section of thick bamboo (4), the left end face adaptation crimping of a section of thick bamboo (4) is in on diaphragm (5) right side wall, fixed cover is equipped with annular apron (3) on the lateral wall of a section of thick bamboo (4) right side tip, fixed welding has the one end of outer seal ring (2) on the left side wall of annular apron (3), the other end fixed welding of outer seal ring (2) is in on hem ring (13), just the inner wall of outer seal ring (2) with hem portion counterbalance of diaphragm (5).

2. The novel booster water pump diaphragm protection structure of claim 1, wherein: rubber compression rings (12) are arranged among the outer sealing ring (2), the annular cover plate (3) and the edge folding parts of the membrane (5).

3. The novel booster water pump diaphragm protection structure of claim 2, wherein: the side wall of the annular cover plate (3) is hollowed out.

4. The novel booster water pump diaphragm protection structure of claim 1, wherein: a plurality of positioning columns (1) are circumferentially arrayed on the right side wall of the slip ring (10), and the tops of the positioning columns (1) are adaptively clamped into notches on the annular step surface of the diaphragm (5).

5. The novel booster water pump diaphragm protection structure of claim 1, wherein: the spring assembly is composed of an arch-shaped elastic rib and a rubber sleeve (11) wrapped on the arch-shaped elastic rib, and the rubber sleeve (11) is connected between the slip ring (10) and the protective frame (7).