CN220435010U

CN220435010U - Liquid pressurizing device

Info

Publication number: CN220435010U
Application number: CN202322034857.2U
Authority: CN
Inventors: 黄景丰
Original assignee: Walrus Pump Co Ltd
Current assignee: Walrus Pump Co Ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-02-02
Anticipated expiration: 2033-07-31

Abstract

A liquid pressurizing device comprises an outer cover assembly, a rubber diaphragm and a connecting structure, wherein the outer cover assembly comprises an outer cover, an inner lining cover and an annular connecting seat, an outer convex ring is formed at the opening end of the outer cover, an inner convex ring is formed on the periphery of one ring of the inner lining cover, the connecting seat is overlapped on the outer convex ring and the inner convex ring, sealing connection is formed between the connecting seat and the outer convex ring and between the inner convex ring, the periphery of the rubber diaphragm is clamped between the periphery of the outer cover and the inner convex ring, and the connecting structure is arranged on the outer cover assembly and used for assembling the liquid pressurizing device on liquid conveying equipment. The outer cover, the inner lining cover and the combining seat can be made of engineering plastic materials, and the rubber diaphragm can be fixedly connected in the outer cover, the inner lining cover and the combining seat, so that the rubber diaphragm has the advantages of light weight, rust resistance and low manufacturing cost.

Description

Liquid pressurizing device

Technical Field

The present utility model relates to a liquid pressurizing device, and more particularly, to a liquid pressurizing device mounted on a liquid conveying apparatus for applying pressure to a liquid.

Background

Pumps may be used to increase the pressure of the liquid, to provide more propulsion to the pressurized liquid, to increase the rate of flow of the fluid, or to transport the liquid from a low elevation to a high elevation for use.

The pump is characterized in that a liquid pressurizing assembly is arranged at the opening end of a shell of the pump, the liquid pressurizing assembly is approximately provided with an outer cover and a rubber diaphragm, the outer cover covers the opening end of the shell and is fixedly connected with the shell, the rubber diaphragm and the outer cover are arranged on the inner side of the outer cover at intervals, the outer periphery of the rubber diaphragm is fixedly connected with the inner wall surface of the outer cover, so that a pressurizing chamber is formed between the outer cover and the rubber diaphragm, and gas with proper pressure is filled in the pressurizing chamber. The rubber diaphragm maintains the pressure balance of the liquid inside the pump and the gas in the pressurized chamber when the pump is in operation.

In the prior art, the outer cover is made of stainless steel commonly known as white iron, galvanized iron or other metal materials, so that the outer periphery of the outer cover can be bent by stamping, so that the outer periphery of the outer cover clamps the outer periphery of the rubber diaphragm, and then a plurality of fixing pieces are used for locking the outer cover to the casing of the pump.

With the development of plastic material manufacturing process and processing technology, the performance of engineering plastics is continuously improved, and engineering plastics have been gradually used for replacing metal materials for many mechanical parts because of the advantages of light weight, rust resistance, low manufacturing cost … … and the like. However, when the man-made cover of the liquid pressing assembly is made of engineering plastics, the rubber membrane cannot be combined and fixed in a punching manner like the metal cover due to the different ductility between engineering plastics and metal. Therefore, as described above, the structure of the liquid pressurizing assembly of the prior art needs to be further improved in order to be made of engineering plastic materials.

Disclosure of Invention

In view of the foregoing problems of the prior art, an object of the present utility model is to provide a liquid pressurizing device, which can be manufactured by a manufacturer from engineering plastic materials.

In order to achieve the above object, the present utility model adopts a technical means of designing a liquid pressurizing device, which includes:

the outer cover assembly comprises an outer cover, an inner lining cover and a combining seat, wherein the outer cover is formed into an inwards concave container shape, two opposite ends of the outer cover are respectively formed into a bottom and an opening end, an outer convex ring is formed on the periphery of a ring at the opening end of the outer cover, the outer convex ring protrudes outwards along the radial direction of the outer cover, the inner lining cover is formed into an inwards concave container shape, at least one diversion hole is formed on the inner convex ring in a penetrating manner, an inner convex ring is formed on the periphery of a ring of the inner lining cover, the inner convex ring protrudes outwards along the radial direction of the inner lining cover and is overlapped on the periphery of the outer cover, the combining seat is in a ring shape and is overlapped on the outer convex ring of the outer cover and the inner convex ring of the inner lining cover, and one inner end surface of the combining seat faces the outer cover and the inner lining cover and is in sealing connection with the outer convex ring of the inner lining cover and the outer convex ring of the inner lining cover;

the rubber diaphragm is arranged between the outer cover and the inner lining cover, the annular periphery of the rubber diaphragm is clamped between the annular periphery of the outer cover and the inner convex ring of the inner lining cover, and a pressurizing chamber is formed between the outer cover and the rubber diaphragm;

and the assembly structure is arranged on the outer cover assembly and is used for assembling the liquid pressurizing device on liquid conveying equipment.

In the liquid pressurizing device, the outer cover is an engineering plastic outer cover, the inner lining cover is an engineering plastic inner lining cover, the combination seat is an engineering plastic combination seat, the outer convex ring of the outer cover is provided with a joint surface facing the combination seat, a plurality of reserved grooves are formed on the joint surface, and a plurality of reserved grooves are also formed on the inner end surface of the combination seat.

In the liquid pressurizing device, the assembling structure comprises an assembling ring which is formed on the outer end surface of the combining seat and protrudes along the radial direction of the combining seat.

In the liquid pressurizing device, the assembling ring of the assembling structure can be provided with a thread part.

In the liquid pressurizing device, the assembling structure can comprise a plurality of first through holes and a plurality of second through holes, wherein the first through holes penetrate through the outer convex ring of the outer cover at intervals, and the second through holes penetrate through the combining seat at intervals and are correspondingly communicated with the first through holes respectively.

In the liquid pressurizing device, the outer convex ring of the outer cover is provided with a joint surface facing the joint seat, and at least one outer rib can be formed on the joint surface and protrudes along the radial direction of the outer cover; the inner convex ring of the lining cover is provided with a joint surface facing the joint seat, and the joint surface of the inner convex ring can be provided with at least one radially protruding inner rib; the inner end surface of the combining seat can be provided with a plurality of caulking grooves, and the outer fins of the outer cover and the inner fins of the inner lining cover respectively correspond to and protrude into the caulking grooves of the combining seat.

The liquid pressurizing device comprises: the at least one deflector hole of the liner cap may include a deflector hole formed at a center of the liner cap; the assembly structure can include a set of connection tubes formed on the liner cap, surrounding the deflector hole, and protruding radially through the coupling seat.

In the liquid pressurizing device, an external thread can be formed on an outer wall surface of the assembling pipe.

The liquid pressurizing device has the advantages that the outer cover, the inner lining cover and the combining seat of the outer cover component can be made of engineering plastic materials, and the rubber diaphragm can be fixedly connected in the outer cover, the inner lining cover and the combining seat, so that the liquid pressurizing device with light weight, rust resistance and low manufacturing cost can be provided for users.

Drawings

The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, proportional sizes, and the like of the respective components in the drawings are merely illustrative for aiding in understanding the present utility model, and are not particularly limited. Those skilled in the art with access to the teachings of the present utility model can select a variety of possible shapes and scale sizes to practice the present utility model as the case may be.

Fig. 1 is an exploded perspective view of a first preferred embodiment of the present utility model in use.

Fig. 2 is a perspective view of a first preferred embodiment of the present utility model.

Fig. 3 is an exploded perspective view of a first preferred embodiment of the present utility model.

Fig. 4 is another exploded perspective view of the first preferred embodiment of the present utility model.

Fig. 5 is a partial sectional side view of the first preferred embodiment of the present utility model in use.

Fig. 6 is a perspective view of a second preferred embodiment of the present utility model.

Fig. 7 is an exploded perspective view of a second preferred embodiment of the present utility model.

Fig. 8 is another exploded perspective view of a second preferred embodiment of the present utility model.

Fig. 9 is a partial sectional side view of a second preferred embodiment of the present utility model in use.

Fig. 10 is a perspective view of a third preferred embodiment of the present utility model.

Fig. 11 is an exploded perspective view of a third preferred embodiment of the present utility model.

Fig. 12 is another exploded perspective view of a third preferred embodiment of the present utility model.

Fig. 13 is a partial sectional side view of a third preferred embodiment of the present utility model in use.

Fig. 14 is a partial cross-sectional side view of a third preferred embodiment of the present utility model in another use state.

Detailed Description

The details of the utility model will be more clearly understood in conjunction with the accompanying drawings and description of specific embodiments of the utility model. However, the specific embodiments of the utility model described herein are for the purpose of illustration only and are not to be construed as limiting the utility model in any way. Given the teachings of the present utility model, one of ordinary skill in the related art will contemplate any possible modification based on the present utility model, and such should be considered to be within the scope of the present utility model.

The technical means adopted by the utility model to achieve the preset purpose are further described below by combining the attached drawings and the preferred embodiments of the utility model.

Referring to fig. 1 and 5, a first preferred embodiment of the liquid pressurizing apparatus of the present utility model is provided on a liquid delivery device, which can be, but is not limited to, a pump 40 or a liquid delivery tube. The liquid pressurizing device comprises a cover assembly 10, a rubber membrane 20 and a connecting structure 30.

As shown in fig. 2 and 3, the outer lid assembly 10 includes an outer lid 11, an inner lid 12 and a coupling seat 13.

The outer cap 11 is formed in a concave container shape, opposite ends of which are respectively formed into a bottom and an open end, and an outer convex ring 112 is formed on a ring peripheral edge 111 at the open end of the outer cap 11, the outer convex ring 112 surrounds the open end of the outer cap 11 and protrudes outward in the radial direction of the outer cap 11.

The inner liner cover 12 is also formed into a concave container shape and is disposed in the outer cover 11, at least one flow guiding hole 121 is formed on the inner liner cover 12 in a penetrating manner, the at least one flow guiding hole 121 is used for liquid circulation, an inner convex ring 122 is formed on a circumferential edge of the inner liner cover 12, and the inner convex ring 122 protrudes outwards along the radial direction of the inner liner cover 12 and is stacked on the circumferential edge 111 of the outer cover 11.

The combining seat 13 is in a ring shape and is overlapped on the outer convex ring 112 of the outer cover 11 and the inner convex ring 122 of the inner liner cover 12, two opposite sides of the combining seat 13 are respectively formed into an inner end face 131 and an outer end face 132, and the inner end face 131 faces the outer cover 11 and the inner liner cover 12 and forms sealing connection with the outer convex ring 112 of the outer cover 11 and the inner convex ring 122 of the inner liner cover 12.

In the embodiment of the present utility model, the outer cover 11, the inner liner cover 12 and the coupling seat 13 are made of engineering plastics, so that the coupling seat 13 and the outer flange 112 of the outer cover 11 and the coupling seat 13 and the inner flange 122 of the inner liner cover 12 can be heated and melted by using heat welding, high frequency waves, ultrasonic waves … …, etc., so that the inner end surface 131 of the coupling seat 13 and the outer flange 112 of the outer cover 11 and the inner flange 122 of the inner liner cover 12 can be bonded in a sealing manner after cooling and solidification.

As shown in fig. 3 and 5, more specifically, the outer flange 112 of the outer cap 11 has a joint surface 113, at least one outer rib 115 is formed on the joint surface 113, the outer rib 115 protrudes along the axial direction of the outer cap 11, the inner flange 122 of the inner cap 12 also has a joint surface facing the joint seat 13, at least one axially protruding inner rib 123 is formed on the joint surface of the inner flange 122, a plurality of slots 134 are correspondingly formed on the inner end surface 131 of the joint seat 13, and the outer rib 115 of the outer cap 11 and the inner rib 123 of the inner cap 12 protrude into the slots 134 of the joint seat 13 respectively, so that the joint has a stable joint effect when the joint seat 13 and the outer flange 112 and the inner flange 122 are melted by heating.

The rubber diaphragm 20 is disposed between the outer cap 11 and the inner liner cap 12, and the circumferential edge of the rubber diaphragm 20 is clamped between the circumferential edge 111 of the outer cap 11 and the inner convex ring 122 of the inner liner cap 12. In this way, a pressurizing chamber 21 is formed between the outer cover 11 and the rubber membrane 20, the pressurizing chamber 21 is filled with gas having proper pressure, an air tap 50 can be arranged at the bottom of the outer cover 11, and a user can charge or discharge gas from the air tap 50 to the pressurizing chamber 21, thereby adjusting the pressure of the gas in the pressurizing chamber 21.

The assembling structure 30 is disposed on the outer cover assembly 10 for assembling the liquid pressurizing device on the liquid delivery apparatus.

As shown in fig. 1 and fig. 3 to fig. 5, in the first preferred embodiment of the liquid pressurizing device of the present utility model, the assembling structure 30 includes a plurality of first through holes 32 and a plurality of second through holes 33, the first through holes 32 penetrate through the outer convex ring 112 formed on the outer cover 11 at intervals, the second through holes 33 penetrate through the combining seat 13 at intervals and are respectively communicated with the first through holes 32, in addition, the liquid delivering device is a pump 40, a plurality of corresponding mounting holes 42 are also provided on the housing 41 of the pump 40, and a user can use a screw 43 to penetrate through the corresponding communicated first through holes 32, second through holes 33 and mounting holes 42 and then lock the housing 41 of the pump 40, so as to assemble the liquid pressurizing device on the pump 40.

Referring further to fig. 6 to 9, a second preferred embodiment of the liquid pressurizing apparatus of the present utility model is similar to the first preferred embodiment of the liquid pressurizing apparatus, and the main difference is that:

as shown in fig. 7 and 8, the joint surface 113A of the outer flange 112A of the outer lid 11A is formed with a plurality of reserved grooves 114A, and the inner end surface 131A of the combining seat 13A is also formed with a plurality of reserved grooves 133A, so that when the joint between the combining seat 13A and the outer flange 112A of the outer lid 11A and the inner flange 122A of the inner lid 12A is melted due to heating, the reserved grooves 114A, 133A of the outer lid 11A and the combining seat 13A can allow the molten engineering plastic to flow into them, thereby ensuring a smooth joint between the combining seat 13A and the outer flange 112A of the outer lid 11A.

The assembling structure 30A includes an assembling ring 31A, the assembling ring 31A is formed on the outer end surface 132A of the coupling seat 13A and protrudes along the axial direction of the coupling seat 13A, a threaded portion 311A is formed on the assembling ring 31A, and the threaded portion 311A of the assembling ring 31A can be mutually abutted with a corresponding threaded portion 411A on the housing 41A of the pump 40A, so as to assemble the liquid pressurizing device on the housing 41A of the pump 40A. More specifically, the threaded portion 311A of the assembling ring 31A is an external thread, and correspondingly, the threaded portion 411A of the housing 41A of the pump 40A is an internal thread, but not limited thereto, the threaded portion 311A of the assembling ring 31A can also be an internal thread, and at this time, the threaded portion 411A of the pump 40A is formed as a corresponding external thread.

Referring further to fig. 10 to 13, a third preferred embodiment of the liquid pressurizing apparatus of the present utility model is similar to the first preferred embodiment of the liquid pressurizing apparatus, and the main difference is that: at least one diversion hole 121B of the liner cap 12B comprises a diversion hole 121B formed at the center of the liner cap 12B, the assembly structure 30B comprises a set of connection pipes 34B, the set of connection pipes 34B are formed on the liner cap 12B, the set of connection pipes 34B encircle the diversion hole 121B and radially protrude through the connection seat 13B, a corresponding mounting pipe 45B is arranged on the housing 41B of the pump 40B, and the mounting pipe 45B and the set of connection pipes 34B are mutually sleeved and combined and fixed through threads.

More specifically, in the embodiment of the liquid pressurizing device according to the third preferred embodiment, an external thread is formed on an outer wall surface of the assembling tube 34B, an internal thread is formed on an inner wall surface of the mounting tube 45B, the assembling tube 34B protrudes into the mounting tube 45B, and the assembling tube 34B and the mounting tube are fixed by the combination of the external thread and the internal thread.

With further reference to fig. 14, the liquid pressurizing device of the third preferred embodiment can also be installed on a liquid conveying pipeline 60, so as to pressurize the liquid in the liquid conveying pipeline 60 to increase the flow speed of the liquid or convey the liquid from a low place to a high place.

By the design, the outer covers 11, 11A, the inner covers 12, 12A, 12B and the connecting seats 13, 13A, 13B of the outer cover assembly 10 of the liquid pressurizing device can be made of engineering plastic materials, and the rubber diaphragm 20 can be fixedly arranged therein, so that the liquid pressurizing device with light weight, rust resistance and low manufacturing cost is provided for users.

The foregoing description is only illustrative of the preferred embodiment of the present utility model, and is not intended to limit the utility model to the particular embodiment disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a liquid pressure device, its includes a enclosing cover subassembly, a rubber diaphragm and a group's structure, its characterized in that:

the outer cover assembly comprises an outer cover, an inner lining cover and a combining seat, wherein the outer cover is formed into an inwards concave container shape, two opposite ends of the outer cover are respectively formed into a bottom and an opening end, an outer convex ring is formed on the periphery of a ring at the opening end of the outer cover, the outer convex ring protrudes outwards along the radial direction of the outer cover, the inner lining cover is formed into an inwards concave container shape, at least one diversion hole is formed on the inner convex ring in a penetrating manner, an inner convex ring is formed on the periphery of a ring of the inner lining cover, the inner convex ring protrudes outwards along the radial direction of the inner lining cover and is overlapped on the periphery of the outer cover, the combining seat is in a ring shape and is overlapped on the outer convex ring of the outer cover and the inner convex ring of the inner lining cover, and one inner end surface of the combining seat faces the outer cover and the inner lining cover and forms sealing connection with the outer convex ring of the outer lining cover and the inner convex ring of the inner lining cover;

the assembling structure is arranged on the outer cover assembly and is used for assembling the liquid pressurizing device on liquid conveying equipment.

2. The liquid pressurizing device as set forth in claim 1, wherein said outer cover is an engineering plastic outer cover, said inner liner cover is an engineering plastic inner liner cover, said coupling seat is an engineering plastic coupling seat, said outer cover outer ring has a coupling surface facing said coupling seat, said coupling surface has a plurality of reserved grooves formed thereon, and said coupling seat has a plurality of reserved grooves formed thereon on an inner end surface thereof.

3. A liquid pressurizing apparatus according to claim 1 or 2, wherein said assembling structure comprises an assembling ring formed on an outer end surface of the coupling seat and protruding in a radial direction of said coupling seat.

4. A liquid pressurizing apparatus according to claim 3, wherein said fitting ring of said fitting structure is formed with a screw portion.

5. The liquid pressurizing apparatus according to claim 1 or 2, wherein the assembling structure comprises a plurality of first through holes penetrating the outer ring of the outer cover at intervals, and a plurality of second through holes penetrating the coupling seat at intervals, and communicating with the first through holes, respectively.

6. The liquid pressurizing apparatus according to claim 1, wherein the outer ring of the outer cap has an engagement surface facing the engagement seat, the engagement surface having at least one outer rib formed thereon, the outer rib protruding in a radial direction of the outer cap; the inner convex ring of the lining cover is provided with a joint surface facing the joint seat, and the joint surface of the inner convex ring is provided with at least one radially protruding inner rib; a plurality of caulking grooves are formed on the inner end face of the combining seat, and the outer fins of the outer cover and the inner fins of the inner lining cover respectively correspond to and protrude into the caulking grooves of the combining seat.

7. The liquid pressurizing apparatus according to claim 1 or 2, wherein the at least one flow guiding hole of the inner liner cover comprises a flow guiding hole formed at a center of the inner liner cover; the assembling structure comprises a group of connecting pipes, the assembling pipes are formed on the lining cover, the assembling pipes encircle the flow guide hole and penetrate through the combining seat to radially protrude.

8. The liquid pressurizing apparatus according to claim 7, wherein an outer wall surface of the nipple is formed with an external thread.