Flusher pressure stabilizing diaphragm tool

By designing the irrigator pressure-regulating diaphragm tooling, using the structure of the tooling base and cover pressing parts, the problem of difficult to fix the fabric and PTFE film on the diaphragm is solved, and the stable bonding and efficient embedding of the diaphragm is achieved, and the return pressure elasticity and service life are improved.

CN222831669UActive Publication Date: 2025-05-06XIAMEN MAIFENG SEAL PRODS
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Patent Information

Application Number
CN202421815821.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-29
Publication Date
2025-05-06
Estimated Expiration
2034-07-29

AI Technical Summary

Technical Problem

In the existing diaphragm processing technology, fabric and PTFE films are difficult to fix on the diaphragm, resulting in insufficient back pressure elastic force or life problems under high pressure, and low melt coverage efficiency of the furnace.

Method used

A irrigator pressure-regulating diaphragm tooling is designed, including tooling base, diaphragm and cover press. Through the tight fit of the positioning groove and cover press, the diaphragm is fixed and heat flow prevents floating, ensuring that the fabric and PTFE film are embedded on the diaphragm.

Benefits of technology

The stable bonding and tightening of the diaphragm is achieved, and the poor embedding problems caused by heat flow floating are avoided, and the back pressure elasticity of the diaphragm and the service life under high pressure are improved.

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Abstract

The utility model discloses a pressure-stabilizing diaphragm tool for a flusher. The pressure-stabilizing diaphragm tool comprises a tool base, a diaphragm and a cover pressing piece, the tool base is of a cuboid structure, at least one positioning groove is formed in the top face of the tool base, the positioning groove is of a circular groove-shaped structure, a cylindrical boss is arranged at the circle center of the positioning groove, a negative pressure cavity is formed in the tool base and communicates with the positioning groove, the diaphragm is placed in the positioning groove, and a structural hole is formed in the middle of the diaphragm; the covering and pressing piece is embedded in the tool base, and the covering and pressing piece penetrates through the diaphragm and then is detachably arranged on the top face of the tool base; the membrane can be placed in the positioning groove in a completely attached mode, and the covering and pressing piece can be completely attached to the side, away from the tool base, of the membrane; the membrane can be perfectly attached into the positioning groove through the positioning groove formed in the tool base, and the membrane is tightly attached through the covering and pressing piece, so that fabric and a PTFE membrane on the membrane can be well embedded into the membrane in the state that the membrane floats due to heat flow.
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Description

Technical Field

[0001] The utility model relates to the technical field of diaphragm processing, and more specifically, to a flushing device pressure-stabilizing diaphragm tooling. Background Art

[0002] With the increasing popularity of smart toilets with flushing function, the requirements for the stability of flushing pressure are getting higher and higher. Too high, too low or sometimes high and sometimes low pressure will affect the comfort of flushing. After adding the pressure-stabilizing diaphragm of this project, the purpose of stable water pressure output can be achieved, and the comfort of flushing can be improved, thereby gaining stronger competitiveness and greater sales in the home field.

[0003] Currently, there are diaphragms on the market that increase the return pressure elasticity by covering the surface of the diaphragm with fabric or PTFE film to overcome the rebound force problem under low pressure and the life problem under high pressure.

[0004] During the processing, the performance of fabric covering or PTFE membrane covering by glue is much worse than that of furnace melting covering, and the efficiency of furnace processing will be very low because fabric and PTFE are not easy to fix on the dry membrane. Utility Model Content

[0005] The utility model aims to provide a flushing device pressure-stabilizing diaphragm tool, which is a tool capable of fixing fabric and PTFE on the diaphragm.

[0006] The above technical purpose of the utility model is achieved through the following technical scheme: a flushing device pressure-stabilizing diaphragm tooling, including a tooling base, a diaphragm and a cover pressing piece.

[0007] The tooling base is a rectangular parallelepiped structure, and at least one positioning groove is arranged on the top surface of the tooling base. The positioning groove is a circular groove structure, and a cylindrical boss is arranged at the center of the positioning groove. A negative pressure cavity is opened in the tooling base, and the negative pressure cavity is connected with the positioning groove;

[0008] The diaphragm is placed in the positioning groove, and a structural hole is provided in the middle of the diaphragm;

[0009] The cover pressing piece is embedded in the tooling base, and the cover pressing piece is detachably arranged on the top surface of the tooling base after passing through the diaphragm;

[0010] The diaphragm can be placed in the positioning groove in a completely fitting manner, and the cover pressing member can completely fit the side of the diaphragm away from the tooling base.

[0011] The utility model is further configured as follows: a positioning hole for the cover pressing piece to be movably connected is opened on the cylindrical boss, and a positioning column is arranged on the side of the cover pressing piece that contacts the diaphragm.

[0012] The utility model is further configured as follows: the positioning column is a disc-shaped structure and the positioning column is arranged at the geometric center position of the cover pressing member.

[0013] The utility model is further configured as follows: at least one annular groove corresponding to the bottom surface of the diaphragm is opened in the positioning groove.

[0014] The utility model is further configured as follows: three annular grooves corresponding to the bottom surface of the diaphragm are opened in the positioning groove.

[0015] The utility model is further configured as follows: a flange corresponding to the top surface of the diaphragm is provided on the contact surface between the cover pressing member and the diaphragm.

[0016] The utility model is further configured as follows: a handle is provided on a side of the cover pressing member away from the diaphragm.

[0017] In summary, the utility model has the following beneficial effects: the diaphragm can be perfectly fitted in the locating groove by the positioning groove arranged on the tooling base, and the diaphragm can be tightly pressed by the cover pressing piece to prevent the diaphragm from floating due to heat flow, and the fabric and PTFE membrane on the diaphragm can be well embedded in the diaphragm. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a stereogram of the assembled embodiment of the utility model;

[0019] Figure 2 In the present utility model embodiment Figure 1 Exploded diagram of

[0020] Figure 3 It is a three-dimensional diagram of the tooling base in the embodiment of the utility model;

[0021] Figure 4 It is a schematic cross-sectional structural diagram of a tooling base in an embodiment of the utility model;

[0022] Figure 5 It is a three-dimensional diagram of the diaphragm in the embodiment of the utility model;

[0023] Figure 6 It is a three-dimensional diagram of the cover pressing member in the embodiment of the utility model.

[0024] In the figure:

[0025] 1. Tooling base; 11. Positioning groove; 12. Ring groove; 13. Positioning hole; 14. Adsorption hole; 15. Negative pressure hole; 16. Negative pressure cavity; 17. Slotted handle;

[0026] 2. Diaphragm; 21. Structural hole;

[0027] 3. Cover pressing piece; 31. Handle; 32. Positioning column; 33. Flange. DETAILED DESCRIPTION

[0028] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0029] It should be noted that if the terms "first", "second", etc. are involved in the specification and claims of the utility model and the above-mentioned drawings, they are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so as to describe the embodiments of the utility model described here. In addition, if the terms "including" and "having" and any of their variations are involved, it is intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0030] In addition, in the present invention, the terms "installation", "setting", "provided with", "connection", "connected", "socketing" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements or components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0031] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0032] The following is combined with Figure 1-6 The utility model is described in further detail.

[0033] Example

[0034] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6As shown, a flushing device pressure-stabilizing diaphragm tooling includes a tooling base 1, a diaphragm 2 and a cover pressing member 3.

[0035] The tooling base 1 is a rectangular parallelepiped structure, and at least one positioning groove 11 is arranged on the top surface of the tooling base 1. The positioning groove 11 is a circular groove structure, and a cylindrical boss is arranged at the center of the positioning groove 11. A negative pressure cavity 16 is opened in the tooling base 1, and the negative pressure cavity 16 is connected to the positioning groove 11.

[0036] A negative pressure hole 15 is formed in the positioning groove 11 and is connected to the negative pressure chamber 16 through the negative pressure hole 15 .

[0037] The bottom surface of the tooling base 1 is also provided with air holes for connecting the negative pressure chamber 16 with the negative pressure system.

[0038] The diaphragm 2 is placed in the positioning groove 11 , and a structural hole 21 is provided in the middle of the diaphragm 2 .

[0039] The cover pressing piece 3 is embedded in the tooling base 1 , and after passing through the diaphragm 2 , the cover pressing piece 3 is detachably arranged on the top surface of the tooling base 1 .

[0040] The diaphragm 2 can be placed in the positioning groove 11 in a completely fitting manner, and the cover pressing member 3 can completely fit the side of the diaphragm 2 away from the tooling base 1 .

[0041] A positioning hole 13 for the cover pressing piece 3 to be movably connected is provided on the cylindrical boss, and a positioning column 32 is provided on the side of the cover pressing piece 3 that contacts the diaphragm 2 .

[0042] The positioning post 32 is a disc-shaped structure and is disposed at the geometric center of the cover pressing member 3 .

[0043] At least one annular groove 12 corresponding to the bottom surface of the diaphragm 2 is defined in the positioning groove 11 .

[0044] As a preferred embodiment, in order to adapt to the diaphragm 2 of this product, three annular grooves 12 corresponding to the bottom surface of the diaphragm 2 are opened in the positioning groove 11.

[0045] As a preferred embodiment, in order to adapt to the diaphragm 2 , a flange 33 corresponding to the top surface of the diaphragm 2 is provided on the contact surface between the cover pressing member 3 and the diaphragm 2 .

[0046] Preferably, in order to make the cover pressing piece 3 easier to lift, a handle 31 is provided on the side of the cover pressing piece 3 away from the membrane 2 .

[0047] As a preferred embodiment, in order to be able to mass produce the diaphragm 2, the tooling base 1 is linearly arranged in an array as follows: Figure 1 As shown, several positioning grooves 11 are each provided with a positioning hole 13. As shown in the insert 3, three annular grooves 12 are opened on each positioning groove 11, and several negative pressure holes 15 are evenly opened along the circumference of the annular groove 12, and each negative pressure hole 15 is connected to the negative pressure chamber 16.

[0048] Preferably, in order to prevent large pieces of fabric from flying and floating with wrinkles during installation, the top surface of the tooling base 1 is further provided with a plurality of linear arrays of adsorption holes 14 arranged beside the positioning groove 11 .

[0049] As a preference, in order to ensure that the tooling base 1 is easy to move, a slotted handle 17 or a lifting ring is further provided on the side of the tooling base 1 .

[0050] Working principle: The positioning groove 11 set on the tooling base 1 can make the diaphragm 2 fit perfectly in the positioning groove 11, and the diaphragm 2 is tightly pressed by the cover pressing piece 3 to prevent the diaphragm 2 from floating due to heat flow, and the fabric and PTFE membrane on the diaphragm 2 can be well embedded in the diaphragm 2.

[0051] It should be noted that all features disclosed in this specification, or steps in all methods or processes disclosed, except for mutually exclusive features and / or steps, can be combined in any manner.

[0052] In addition, the above specific embodiments are exemplary, and those skilled in the art can come up with various solutions inspired by the disclosure of the utility model, and these solutions also belong to the disclosure scope of the utility model and fall within the protection scope of the utility model. Those skilled in the art should understand that the utility model specification and its drawings are illustrative and do not constitute a limitation of the claims. The protection scope of the utility model is defined by the claims and their equivalents.

Claims

1. A flushing device pressure-stabilizing diaphragm tooling, characterized in that: include: A tooling base (1) is in a rectangular parallelepiped structure, the top surface of the tooling base (1) is provided with at least one positioning groove (11), the positioning groove (11) is a circular groove structure, a cylindrical boss is provided at the center of the positioning groove (11), a negative pressure cavity (16) is provided in the tooling base (1), and the negative pressure cavity (16) is communicated with the positioning groove (11); A diaphragm (2) is placed in the positioning groove (11), and a structural hole (21) is provided in the middle of the diaphragm (2); A cover pressing piece (3) embedded in the tooling base (1); the cover pressing piece (3) is detachably arranged on the top surface of the tooling base (1) after passing through the diaphragm (2); The diaphragm (2) can be placed in the positioning groove (11) in a completely fitting manner, and the cover pressing member (3) can completely fit the side of the diaphragm (2) away from the tooling base (1).

2. A flushing device pressure-stabilizing diaphragm tooling according to claim 1, characterized in that: The cylindrical boss is provided with a positioning hole (13) for the cover pressing piece (3) to be movably connected, and a positioning column (32) is provided on the side of the cover pressing piece (3) that contacts the diaphragm (2).

3. A flushing device pressure-stabilizing diaphragm tooling according to claim 2, characterized in that: The positioning column (32) is a disc-shaped structure and is arranged at the geometric center position of the cover pressing member (3).

4. A flushing device pressure-stabilizing diaphragm tooling according to claim 1, characterized in that: At least one annular groove (12) corresponding to the bottom surface of the diaphragm (2) is provided in the positioning groove (11).

5. A flushing device pressure-stabilizing diaphragm tooling according to claim 4, characterized in that: The positioning groove (11) is provided with three annular grooves (12) corresponding to the bottom surface of the diaphragm (2).

6. The flushing device pressure-stabilizing diaphragm tooling according to claim 1, characterized in that: The contact surface between the cover pressing member (3) and the diaphragm (2) is provided with a flange (33) corresponding to the top surface of the diaphragm (2).

7. A flushing device pressure-stabilizing diaphragm tooling according to claim 6, characterized in that: A handle (31) is provided on the side of the cover pressing member (3) away from the diaphragm (2).