Fuel pressure pulsation damper

Abstract

The utility model discloses a fuel pressure pulsation damper, wherein, including: fuel chamber is installed in pressure regulating chamber, fuel chamber and pressure regulating chamber intercommunication, fuel chamber is equipped with fuel inlet, and pressure regulating chamber is equipped with fuel outlet, the junction of fuel chamber and pressure regulating chamber is outwardly protruding and is equipped with installation cavity, one end of elastic component is installed in pressure regulating chamber, the other end of elastic component is installed in sealing component, and the outer wall of sealing component is on installation cavity, sealing component is equipped with through -hole, and elastic component is equipped with communicating hole, fuel inlet, fuel chamber, through -hole, communicating hole, pressure regulating chamber and fuel outlet are communicated in proper order. Through the application of the utility model, a kind of fuel pressure pulsation damper is provided, the device simple structure can be directly installed in pipeline, and sealing component in the device can absorb part of energy in the process of oil flow, thereby relieving pressure pulsation in management, and there is better damping effect.

Description

Technical Field

[0001] This utility model relates to the technical field of dampers and related technologies, and in particular to a fuel pressure pulsation damper. Background Technology

[0002] Currently, fuel dampers are important devices in mechanical engineering used to suppress mechanical vibrations. Their function is mainly to dissipate energy through the viscous effect of the internal fluid. These devices are widely used in mechanical systems such as power equipment, effectively reducing the impact of vibration on equipment operation and improving system stability. However, existing fuel dampers are large in size and complex in structure, making them unsuitable for direct installation on pipelines. Utility Model Content

[0003] In view of this, and to solve the above problems, the purpose of this utility model is to provide a fuel pressure pulsation damper, comprising:

[0004] Fuel chamber, pressure regulating chamber, elastic components, sealing components;

[0005] The fuel chamber is installed in the pressure regulating chamber, the fuel chamber and the pressure regulating chamber are connected, the fuel chamber is provided with a fuel inlet, and the pressure regulating chamber is provided with a fuel outlet;

[0006] The connection between the fuel chamber and the pressure regulating chamber is provided with an outwardly protruding mounting cavity;

[0007] One end of the elastic component is installed in the pressure regulating chamber, and the other end of the elastic component is installed in the sealing component, with the outer wall of the sealing component abutting against the mounting cavity;

[0008] The sealing component has a through hole, and the elastic component has a connecting hole;

[0009] The fuel inlet, the fuel chamber, the through hole, the connecting hole, the pressure regulating chamber, and the fuel outlet are connected in sequence.

[0010] In the aforementioned fuel pressure pulsation damper, the elastic component includes a spring and a guide post; one end of the spring is installed in the pressure regulating chamber, the other end of the spring is installed in the guide post, and the sealing component is sleeved on the guide post.

[0011] In the aforementioned fuel pressure pulsation damper, the guide post includes a first stepped portion, a second stepped portion, and a third stepped portion connected in sequence. The center positions of the first stepped portion, the second stepped portion, and the third stepped portion are connected to form the connecting hole. The sealing component is sleeved on the first stepped portion, the spring is sleeved on the third stepped portion, and the other end of the spring is fixedly installed on the second stepped portion.

[0012] In the aforementioned fuel pressure pulsation damper, the outer wall of the fuel chamber extends outward and bends to form a first mounting portion, the outer wall of the pressure regulating chamber extends outward and bends to form a second mounting portion, the first mounting portion is mounted on the second mounting portion, and the mounting cavity is formed between the first mounting portion and the second mounting portion.

[0013] In the aforementioned fuel pressure pulsation damper, the outer edge of the sealing assembly is engaged with the mounting cavity.

[0014] In the aforementioned fuel pressure pulsation damper, the fuel inlet is located at the end of the fuel chamber away from the pressure regulating chamber.

[0015] In the aforementioned fuel pressure pulsation damper, the fuel outlet is located at the end of the pressure regulating chamber away from the fuel chamber.

[0016] In the aforementioned fuel pressure pulsation damper, the sealing component is any one of a rubber part, a rubber clip composite part, or a metal sheet.

[0017] In the aforementioned fuel pressure pulsation damper, both the outer wall of the fuel inlet and the outer wall of the fuel outlet are provided with a plurality of mounting protrusions.

[0018] The positive effects of the above technical solution compared with the existing technology are:

[0019] By applying this utility model, a fuel pressure pulsation damper is provided. This device has a simple structure and can be directly installed in the pipeline. Furthermore, the sealing component in this device can absorb some energy during the flow of oil, thereby alleviating pressure pulsation in the pipeline and achieving a good damping effect. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of a fuel pressure pulsation damper according to the present invention.

[0021] 1. Fuel chamber; 2. Pressure regulating chamber; 3. Elastic component; 31. Spring; 32. Guide post; 321. First step; 322. Second step; 323. Third step; 4. Sealing component; 5. Mounting cavity; 6. Fuel inlet; 7. Fuel outlet; 8. Through hole; 9. Connecting hole; 10. First mounting part; 11. Second mounting part; 12. Mounting protrusion. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but this is not intended to limit the present invention.

[0023] The structures, proportions, and sizes illustrated in the accompanying drawings are merely for illustrative purposes and to aid those skilled in the art. They are not intended to limit the scope of this invention and therefore have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to size, provided they do not affect the effectiveness or purpose of this invention, should still fall within the scope of the technical content disclosed herein. Furthermore, the terms "upper," "lower," "left," "right," "middle," and "one" used in this specification are merely for clarity and not intended to limit the scope of this invention. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of this invention.

[0024] like Figure 1 As shown, a preferred embodiment of a fuel pressure pulsation damper is illustrated, comprising: a fuel chamber 1, a pressure regulating chamber 2, an elastic component 3, and a sealing component 4.

[0025] Fuel chamber 1 is installed in pressure regulating chamber 2, and fuel chamber 1 and pressure regulating chamber 2 are connected. Fuel chamber 1 is provided with fuel inlet 6, and pressure regulating chamber 2 is provided with fuel outlet 7. A mounting cavity 5 protrudes outward at the connection between fuel chamber 1 and pressure regulating chamber 2. One end of elastic component 3 is installed in pressure regulating chamber 2, and the other end of elastic component 3 is installed in sealing component 4, with the outer wall of sealing component 4 abutting against mounting cavity 5. Sealing component 4 is provided with through hole 8, and elastic component 3 is provided with connecting hole 9. Fuel inlet 6, fuel chamber 1, through hole 8, connecting hole 9, pressure regulating chamber 2, and fuel outlet 7 are connected in sequence.

[0026] In practical use, this device is small in size and has a regular rotating structure. Its installation structure is reliable and stable, allowing direct installation on pipelines without the need for external fixing devices. Please refer to [link / reference]. Figure 1 As shown by the middle arrow, the oil flows into the fuel chamber 1 through the fuel inlet 6, then flows into the pressure regulating chamber 2 through the through hole 8 and the connecting hole 9, and finally flows out through the fuel outlet 7. When the oil flows through the sealing component 4, the elastic component 3 can resist the sealing component 4, and the sealing component 4 can absorb some energy, thereby relieving pressure pulsation in the pipeline and having a good damping effect.

[0027] Based on the above, this utility model also has the following embodiments:

[0028] Furthermore, a fuel pressure pulsation damper includes an elastic component 3 comprising a spring 31 and a guide post 32. One end of the spring 31 is mounted in the pressure regulating chamber 2, and the other end of the spring 31 is mounted in the guide post 32. A sealing component 4 is sleeved on the guide post 32. Specifically, the guide post 32 provides direction for the spring 31, and the spring 31, due to its elastic force, limits the guide post 32, thereby limiting the sealing component 4.

[0029] Furthermore, a fuel pressure pulsation damper includes a guide post 32 comprising a first stepped portion 321, a second stepped portion 322, and a third stepped portion 323 connected sequentially. The centers of the first stepped portion 321, the second stepped portion 322, and the third stepped portion 323 are connected to form a connecting hole 9. A sealing component 4 is sleeved on the first stepped portion 321, and a spring 31 is sleeved on the third stepped portion 323, with the other end of the spring 31 fixedly installed on the second stepped portion 322. Specifically, the different stepped portions serve different functions: the first stepped portion 321 is used to install the sealing component 4, the second stepped portion 322 is used to fix the spring, and the third stepped portion 323 is used to guide the spring 31.

[0030] Furthermore, a fuel pressure pulsation damper is provided, wherein the outer wall of the fuel chamber 1 extends outward and bends to form a first mounting portion 10, and the outer wall of the pressure regulating chamber 2 extends outward and bends to form a second mounting portion 11. The first mounting portion 10 is mounted on the second mounting portion 11, and a mounting cavity 5 is formed between the first mounting portion 10 and the second mounting portion 11. Specifically, the mounting cavity 5 can fix a seal.

[0031] Furthermore, a fuel pressure pulsation damper, wherein the outer edge of the sealing assembly 4 is engaged in the mounting cavity 5.

[0032] Furthermore, a fuel pressure pulsation damper is provided, wherein the fuel inlet 6 is located at the end of the fuel chamber 1 away from the pressure regulating chamber 1.

[0033] Furthermore, a fuel pressure pulsation damper is provided, wherein the fuel outlet 7 is located at the end of the pressure regulating chamber 2 away from the fuel chamber 1.

[0034] Furthermore, a fuel pressure pulsation damper, wherein the sealing component 4 is any one of a rubber part, a rubber clip composite part, or a metal sheet.

[0035] Furthermore, a fuel pressure pulsation damper is provided, wherein the outer walls of the fuel inlet 6 and the fuel outlet 7 are each provided with a plurality of mounting protrusions 12. Specifically, the fuel inlet 6 and the fuel outlet 7 can be installed in an external pipeline by means of the mounting protrusions 12.

[0036] The above description is merely a preferred embodiment of the present invention and does not limit the implementation and protection scope of the present invention. Those skilled in the art should realize that any equivalent substitutions and obvious changes made based on the description and illustrations of the present invention should be included within the protection scope of the present invention.

Claims

1. A fuel pressure pulsation damper, characterized by, include: Fuel chamber, pressure regulating chamber, elastic components, sealing components; The fuel chamber is installed in the pressure regulating chamber, the fuel chamber and the pressure regulating chamber are connected, the fuel chamber is provided with a fuel inlet, and the pressure regulating chamber is provided with a fuel outlet; The connection between the fuel chamber and the pressure regulating chamber is provided with an outwardly protruding mounting cavity; One end of the elastic component is installed in the pressure regulating chamber, and the other end of the elastic component is installed in the sealing component, with the outer wall of the sealing component abutting against the mounting cavity; The sealing component has a through hole, and the elastic component has a connecting hole; The fuel inlet, the fuel chamber, the through hole, the connecting hole, the pressure regulating chamber, and the fuel outlet are connected in sequence.

2. A fuel pressure pulsation damper according to claim 1, characterised in that The elastic component includes: a spring and a guide post; one end of the spring is installed in the pressure regulating chamber, the other end of the spring is installed in the guide post, and the sealing component is sleeved on the guide post.

3. A fuel pressure pulsation damper according to claim 2, characterized in that, The guide post includes a first stepped portion, a second stepped portion, and a third stepped portion connected in sequence. The center positions of the first stepped portion, the second stepped portion, and the third stepped portion are connected to form the connecting hole. The sealing component is sleeved on the first stepped portion, the spring is sleeved on the third stepped portion, and the other end of the spring is fixedly installed on the second stepped portion.

4. A fuel pressure pulsation damper according to claim 1, characterized in that, The outer wall of the fuel chamber extends outward and bends to form a first mounting portion, and the outer wall of the pressure regulating chamber extends outward and bends to form a second mounting portion. The first mounting portion is mounted on the second mounting portion, and the mounting cavity is formed between the first mounting portion and the second mounting portion.

5. A fuel pressure pulsation damper according to claim 4, characterized in that, The outer edge of the sealing assembly is engaged in the mounting cavity.

6. A fuel pressure pulsation damper according to claim 1, characterized in that, The fuel inlet is located at the end of the fuel chamber away from the pressure regulating chamber.

7. A fuel pressure pulsation damper according to claim 1, characterized in that, The fuel outlet is located at the end of the pressure regulating chamber away from the fuel chamber.

8. A fuel pressure pulsation damper according to claim 1, characterized in that, The sealing assembly can be any one of rubber parts, rubber clip composite parts, or metal sheets.

9. A fuel pressure pulsation damper according to claim 1, characterized in that, Both the outer wall of the fuel inlet and the outer wall of the fuel outlet are provided with several mounting protrusions.

Images