Bowl-shaped rubber diaphragm with anti-falling structure for energy accumulator

Abstract

The utility model provides a bowl-shaped rubber diaphragm with an anti-falling structure for an energy accumulator, and relates to the technical field of diaphragms of energy accumulators. An energy accumulator bowl-shaped rubber diaphragm with an anti-falling structure comprises a diaphragm body and a buffer chip, the diaphragm body is in a bowl shape, the buffer chip is arranged at the bottom of the diaphragm body in an embedded mode, the energy accumulator bowl-shaped rubber diaphragm further comprises a reinforcing ring, the edge of the diaphragm body is fixedly connected with the reinforcing ring, and a plurality of connecting holes are formed in the reinforcing ring. The reinforcing ring is fixed by using a bolt to penetrate through the connecting hole and the internal fixing piece of the energy accumulator, the stability and durability of the diaphragm body are improved through the reinforcing ring, the reinforcing ring is fixedly connected with the internal fixing piece of the energy accumulator all the time, it is ensured that the diaphragm body cannot be disconnected from the energy accumulator, and the effect of preventing the diaphragm body from falling off is achieved.

Description

Technical Field

[0001] The utility model provides a bowl-shaped rubber diaphragm for an accumulator with an anti-slip structure, and relates to the technical field of accumulator diaphragms. Background Art

[0002] The accumulator diaphragm is an important component used in accumulators. It is used to separate the two areas within the accumulator: one filled with gas (usually nitrogen) and the other used to store liquid (usually hydraulic oil). The main function of the accumulator diaphragm is to store energy in the hydraulic system and release this energy when needed to compensate for system pressure fluctuations or supplement the system's flow requirements.

[0003] The existing connection method between the accumulator and the internal diaphragm is usually to fix the diaphragm to the accumulator housing by screws, clips or other fasteners. However, this method is likely to cause the diaphragm and the screws to be pulled when the diaphragm is subjected to force, which will cause the diaphragm to deform. The deformation of the diaphragm may cause a gap between the diaphragm and the accumulator, thereby causing air and hydraulic oil leakage on both sides of the diaphragm. Under long-term use, this phenomenon may also cause the diaphragm to be damaged or even fall off, thereby shortening the service life of the diaphragm.

[0004] Therefore, it is necessary to provide a bowl-shaped rubber diaphragm for an accumulator with an anti-slip structure, and the diaphragm is fixed on the accumulator by arranging a reinforcement ring. Utility Model Content

[0005] In order to overcome the disadvantages that when the diaphragm is subjected to force, the diaphragm and the screws are pulled, causing the diaphragm to deform, and the diaphragm is easily damaged or even falls off after long-term use, the utility model provides a bowl-shaped rubber diaphragm for an accumulator with an anti-detachment structure, and the diaphragm is fixed on the accumulator by arranging a reinforcement ring.

[0006] In order to achieve the above-mentioned purpose, the embodiment of the utility model provides the following technical solution: a bowl-shaped rubber diaphragm for an accumulator with an anti-slip structure, comprising a diaphragm body and a buffer chip, the diaphragm body is bowl-shaped, a buffer chip is embedded in the bottom of the diaphragm body, and also includes a reinforcement ring, the edge of the diaphragm body is fixedly connected to the reinforcement ring, and a plurality of connection holes are opened on the reinforcement ring.

[0007] In a preferred embodiment of the present invention, the reinforcing ring and the diaphragm body are engaged with each other through opposite C-shaped notches.

[0008] In a preferred embodiment of the present invention, the reinforcement ring is made of copper alloy.

[0009] In a preferred embodiment of the present invention, wave-shaped grooves are provided on both the inner surface and the outer surface of the diaphragm body.

[0010] In a preferred embodiment of the present invention, the depth of a single corrugated groove is only 1 / 4 of the thickness of the diaphragm body.

[0011] In a preferred embodiment of the present invention, a protective pad is fixedly connected to the bottom of the diaphragm body.

[0012] Compared with the prior art, the diaphragm provided by the embodiment of the utility model has the following advantages: 1. The reinforcement ring is fixed by using bolts to pass through the connecting hole and the internal firmware of the accumulator. The stability and durability of the diaphragm body are improved by the reinforcement ring. The reinforcement ring is always fixedly connected to the internal firmware of the accumulator to ensure that the diaphragm body will not be disconnected from the accumulator, thereby achieving the effect of preventing the diaphragm body from falling off.

[0013] 2. The corrugated groove makes it easier for the diaphragm body to be folded when subjected to force, and no creases will be left on the diaphragm body, so as to prevent the diaphragm body from being damaged at the creases after being folded for a long time. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0015] Figure 2 It is a schematic diagram of the three-dimensional explosion structure of the diaphragm body, buffer chip and protective pad of the utility model.

[0016] Figure 3 It is a three-dimensional cross-sectional structural schematic diagram of the diaphragm body, buffer chip and reinforcement ring of the utility model.

[0017] The markings of the components in the accompanying drawings are as follows: 1. diaphragm body, 2. corrugated groove, 3. buffer chip, 4. reinforcement ring, 401. connection hole, 5. protective pad. DETAILED DESCRIPTION

[0018] Although the present invention may be described with respect to a specific application or industry, those skilled in the art will recognize the broader applicability of the present invention. Those of ordinary skill in the art will recognize that terms such as: above, below, upward, downward, etc. are used to describe the drawings and do not represent limitations on the scope of the present invention as defined by the appended claims. Any numerical designations such as: first or second are merely exemplary and are not intended to limit the scope of the present invention in any way.

[0019] Embodiment 1: A bowl-shaped rubber diaphragm for an accumulator with an anti-slip structure, see Figure 1-Figure 3As shown, it includes a diaphragm body 1 and a buffer chip 3. The diaphragm body 1 is bowl-shaped, and a buffer chip 3 is embedded at the bottom of the diaphragm body 1. The buffer chip 3 is larger at the upper and lower ends and thinner in the middle. It also includes a reinforcement ring 4. The edge of the diaphragm body 1 is fixedly connected with the reinforcement ring 4 by welding. The reinforcement ring 4 and the diaphragm body 1 are embedded through opposite C-shaped notches, and are embedded with each other to make the connection between each other tighter and firmer. The reinforcement ring 4 is made of copper alloy, has good hardness and corrosion resistance, and avoids corrosion damage to the reinforcement ring 4. The reinforcement ring 4 is circumferentially opened with a plurality of connection holes 401 for inserting fixing bolts.

[0020] In the initial state, the diaphragm body 1 in the accumulator is in a balanced position, and the pressure on the gas side is equal to the pressure on the liquid side. When the pressure of the hydraulic system increases, the liquid is compressed and enters the accumulator, and the diaphragm body 1 is pushed by the pressure on the liquid side to move toward the gas side, compressing the gas and reducing the volume on the gas side. In this process, the pressure on the gas side also increases until a new equilibrium state is reached; when the pressure of the hydraulic system drops, the pressure on the gas side is greater than the pressure on the liquid side, and the gas pushes the diaphragm body 1 to move toward the liquid side, converting the stored energy into hydraulic energy to compensate for the pressure loss of the system. In this process, the volume on the gas side increases, and the diaphragm body 1 recovers. Return to the initial position or close to the initial position; fix the reinforcing ring 4 by using bolts to pass through the connecting hole 401 and the internal firmware of the accumulator, and improve the stability and durability of the diaphragm body 1 through the reinforcing ring 4. When the diaphragm body 1 is deformed, the reinforcing ring 4 is always fixed to the internal firmware of the accumulator. At the same time, since the reinforcing ring 4 is relatively strong, the reinforcing ring 4 is not easily damaged or deformed, thereby ensuring that the diaphragm body 1 will not be disconnected from the accumulator; the diaphragm body 1 forms a perfect complex through the buffer chip 3, which improves the high-frequency impact resistance of the diaphragm body 1, avoids the concentration of impact stress, and completes the buffer chip 3 The buffering and pressure-equalizing effect of the buffer chip 3 is completed in the process of highly efficient dispersion and homogenization of stress.

[0021] Example 2: Based on Example 1, refer to Figure 2 and Figure 3 As shown, four-ring corrugated grooves 2 are provided on the inner and outer surfaces of the diaphragm body 1, and the depth of a single corrugated groove 2 is only 1 / 4 of the thickness of the diaphragm body 1, ensuring that the diaphragm body 1 is easy to fold and deform while not being easily torn along the corrugated grooves 2. A protective pad 5 is fixed to the bottom of the diaphragm body 1 by bonding.

[0022] The arrangement of the corrugated groove 2 makes it easier for the diaphragm body 1 to deform, reduces the overall high-frequency deflection of the diaphragm body 1, and avoids the generation of messy folds on the diaphragm body 1; the protective pad 5 is used to prevent the buffer chip 3 from falling out of the diaphragm body 1, so that the buffer chip 3 is fixed in the diaphragm body 1.

[0023] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A bowl-shaped rubber diaphragm for an accumulator with an anti-drop structure, comprising a diaphragm body (1) and a buffer chip (3), wherein the diaphragm body (1) is bowl-shaped, and a buffer chip (3) is embedded in the bottom of the diaphragm body (1), wherein: It also comprises a reinforcement ring (4), to which the edge of the diaphragm body (1) is fixedly connected, and a plurality of connection holes (401) are formed on the reinforcement ring (4).

2. A bowl-shaped rubber diaphragm for an accumulator with an anti-slip structure according to claim 1, characterized in that: The reinforcing ring (4) and the diaphragm body (1) are engaged with each other through opposite C-shaped notches.

3. A bowl-shaped rubber diaphragm for an accumulator with an anti-slip structure according to claim 1, characterized in that: The reinforcement ring (4) is made of copper alloy.

4. A bowl-shaped rubber diaphragm for an accumulator with an anti-slip structure according to claim 1, characterized in that: Wave-shaped grooves (2) are provided on the inner surface and the outer surface of the diaphragm body (1).

5. A bowl-shaped rubber diaphragm for an accumulator with an anti-slip structure according to claim 4, characterized in that: The depth of a single corrugated groove (2) is only 1 / 4 of the thickness of the diaphragm body (1).

6. A bowl-shaped rubber diaphragm for an accumulator with an anti-slip structure according to claim 1, characterized in that: A protective pad (5) is fixedly connected to the bottom of the diaphragm body (1).

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