Hydraulic ejector

Abstract

The invention relates to the technical field of maintenance of hydraulic pressure devices, and discloses a hydraulic ejector. The hydraulic ejector comprises an ejector body, a valve, a first connecting piece, a second connecting piece and a pressure pump, the ejector body comprises a base, a cylinder and a valve mounting seat, openings are formed in the two ends of the cylinder, and a sealing ring groove and a base through hole are formed in the base; a sealing ring is installed in the sealing ring groove to achieve plane sealing of the ejector body and the hydraulic pressure device, the base through hole corresponds to an opening in the bottom of the cylinder, a side face through hole is formed in the side face of the upper portion of the cylinder, and the valve installation base is located on the side face through hole and used for arranging the valve. One end of the second connecting piece is connected with the top of the ejector body through the first connecting piece, the other end of the second connecting piece is connected with the pressure pump, and the base is connected with a hydraulic pressure device. Therefore, the sealing connector of the hydraulic pressure device can be safely and reliably ejected by adopting liquid pressure.

Description

Technical Field

[0001] The invention relates to the technical field of maintenance of hydraulic pressure devices, and in particular to a hydraulic ejector. Background Art

[0002] When maintaining the hydraulic pressure device, it is necessary to regularly eject the sealed connector in the deep cavity inside the device to confirm whether the cable is reliably connected. Or eject it when there is a fault to troubleshoot the problem / eject it when replacing the sealed connector. The existing technology is divided into two categories: one is through mechanical ejection (the cavity is an unconventional through hole, and a bent copper rod is used to directly contact the sealed connector for ejection). This situation causes the scrap rate of the ejected sealed connector to be 80%, and other components (connectors) and cables connected to the sealed connector will be damaged during the ejection process; the second is to apply pressure to the plane of the sealed connector through gas compression to eject it. In this case, the compressed gas will spray out at the moment of ejection, causing damage to other components (connectors) and cables connected to the sealed connector. Both of these categories will cause unnecessary cost increases and are not suitable for batch production. Summary of the invention

[0003] The invention provides a hydraulic ejector which can solve the technical problems in the prior art.

[0004] The present invention provides a hydraulic ejector, wherein the hydraulic ejector comprises an ejector body, a valve, a first connecting piece, a second connecting piece and a pressure pump, the ejector body comprises a base, a cylinder with openings at both ends and a valve mounting seat, the base is provided with a sealing ring groove and a base through hole, a plane seal between the ejector body and a hydraulic pressure device is achieved by installing a sealing ring in the sealing ring groove, the base through hole corresponds to the bottom opening of the cylinder, the upper side of the cylinder has a side through hole, the valve mounting seat is located on the side through hole for arranging the valve, one end of the second connecting piece is connected to the top of the ejector body through the first connecting piece, and the other end is connected to the pressure pump, and the base is connected to the hydraulic pressure device.

[0005] Preferably, a threaded mounting hole is further provided on the base, and the base is connected to the hydraulic pressure device through the cooperation of the threaded mounting hole and the screw.

[0006] Preferably, the valve is a ball valve or an angle valve.

[0007] Preferably, the first connecting member is a pair of wires.

[0008] Preferably, the second connecting piece is a quick-connect connector.

[0009] Preferably, the pressure pump is a hand-operated pressure pump with a quick-connect connector.

[0010] Through the above technical solution, the sealed connector of the hydraulic pressure device can be ejected safely and reliably by liquid pressure. The ejector can achieve controllable liquid pressure, simple operation, high consistency, random matching, quick plugging and unplugging, etc., and can basically control the scrap rate caused by excessive pressure during ejection to 0, ensuring that the sealed connector is not damaged. That is, the ejector described in the present invention can reduce the scrap rate of batch maintenance of the hydraulic pressure device, thereby achieving the purpose of saving production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The included drawings are used to provide a further understanding of the embodiments of the present invention, which constitute a part of the specification, are used to illustrate the embodiments of the present invention, and together with the text description, explain the principles of the present invention. Obviously, the drawings in the following description are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0012] Figure 1 A schematic diagram of a hydraulic device body of a hydraulic ejector according to an embodiment of the present invention is shown;

[0013] Figure 2 A schematic diagram of a base in an embodiment of the present invention is shown;

[0014] Figure 3 A schematic diagram of a valve in an embodiment of the present invention is shown;

[0015] Figure 4 A schematic diagram of the wire pair in an embodiment of the present invention is shown;

[0016] Figure 5 A schematic diagram of a quick-connect connector according to an embodiment of the present invention is shown;

[0017] Figure 6 It shows a three-dimensional schematic diagram of the hydraulic ejector and the hydraulic pressure device in an embodiment of the present invention;

[0018] Figure 7 It shows a schematic cross-sectional view of the hydraulic ejector and the hydraulic pressure device in an embodiment of the present invention;

[0019] Figure 8 A cross-sectional view of a sealed connector to be ejected in an embodiment of the present invention is shown. DETAILED DESCRIPTION

[0020] It should be noted that, in the absence of conflict, the embodiments in this application and the features in the embodiments can be combined with each other. The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present invention and its application or use. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0022] Unless otherwise specifically stated, the relative arrangement of the parts and steps described in these embodiments, numerical expressions and numerical values ​​do not limit the scope of the present invention. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be regarded as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0023] like Figure 1-8As shown, an embodiment of the present invention provides a hydraulic ejector, wherein the hydraulic ejector includes an ejector body, a valve, a first connecting member, a second connecting member and a pressure pump, the ejector body includes a base, a cylinder with openings (e.g., through holes) at both ends, and a valve mounting seat, the base is provided with a sealing ring groove (lower surface) and a base through hole, and a planar seal between the ejector body and the hydraulic pressure device is achieved by installing a sealing ring in the sealing ring groove, and the base through hole corresponds to the bottom opening of the cylinder, the upper side of the cylinder has a side through hole, the valve mounting seat is located on the side through hole for arranging the valve, one end of the second connecting member is connected to the top of the ejector body through the first connecting member, and the other end is connected to the pressure pump, and the base is connected to the hydraulic pressure device.

[0024] The base of the ejector body, the cylinder with openings at both ends and the valve mounting seat are integrally formed, thereby obtaining an irregular cylinder with a sealing surface at the bottom. The ejector body and the hydraulic pressure device are sealed in a plane by installing a sealing ring in the sealing ring groove, which can prevent liquid from flowing out of the mounting interface between the body and the hydraulic pressure device during the ejection process, thereby preventing pressure from being formed.

[0025] Through the above technical solution, the sealed connector of the hydraulic pressure device can be ejected safely and reliably by liquid pressure. The ejector can achieve controllable liquid pressure, simple operation, high consistency, random matching, quick plugging and unplugging, etc., and can basically control the scrap rate caused by excessive pressure during ejection to 0, ensuring that the sealed connector is not damaged. That is, the ejector described in the present invention can reduce the scrap rate of batch maintenance of the hydraulic pressure device, thereby achieving the purpose of saving production costs.

[0026] In the present invention, the sizes of the cylinder, the base, the valve and the first connecting member of the ejector body can be adjusted according to actual conditions, and the present invention is not limited to this.

[0027] For example, the valve mounting seat can be a small cylinder whose height is smaller than the cylinder of the ejector body. By mounting the valve on the plane of the small cylinder, it is used for gas discharge. In other words, the valve is mounted on the side of the ejector body to discharge the gas in the body, so as to avoid the gas being compressed inside the body and causing liquid splashing and damage during ejection.

[0028] According to an embodiment of the present invention, a threaded mounting hole is further provided on the base, and the base is connected to the hydraulic pressure device through the cooperation of the threaded mounting hole and the screw.

[0029] According to an embodiment of the present invention, the valve is a ball valve or an angle valve.

[0030] According to an embodiment of the present invention, the first connecting member is a pair of wires.

[0031] Specifically, the pair of threads can be installed through the through-hole thread on the top of the cylinder of the ejector body.

[0032] According to an embodiment of the present invention, the second connecting member is a quick-connect connector.

[0033] According to an embodiment of the present invention, the pressure pump is a hand-operated pressure pump with a quick-connect connector.

[0034] The quick-connect connector allows you to quickly connect / disconnect the ejector to the pressure pump.

[0035] The working process of the hydraulic ejector of the present invention is described below with reference to examples.

[0036] Connect the hydraulic ejector and the hydraulic pressure device with screws to form a complete assembly, such as Figure 6 As shown. The ejector is connected to the pressure pump through a quick-connect connector. The quick-connect end of the ejector faces upward, the venting ball valve is opened, and the hydraulic oil bursting out of the hydraulic pump flows into the ejector through the pipeline, and flows into the hydraulic pressure device through the bottom opening (through hole) of the ejector's cylinder and the through hole of the base. When oil flows out of the ball valve, close the ball valve. At this time, the oil inside the device exceeds 90%. Continue to pull the hand lever pressure pump to make the internal pressure of the ejector and the hydraulic pressure device reach the ejection pressure to eject the sealing connector. When the sealing connector is ejected, the oil flows out from the cavity of the hydraulic pressure device, the pressure disappears, and the pressure pump stops working at the same time. Disconnect the pressure pump from the ejector, and the ejector from the device before proceeding to the subsequent process.

[0037] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the devices or elements referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention. The directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0038] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0039] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the present invention.

[0040] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A hydraulic ejector, characterized in that: The hydraulic ejector comprises an ejector body, a valve, a first connecting piece, a second connecting piece and a pressure pump. The ejector body comprises a base, a cylinder with openings at both ends and a valve mounting seat. The base is provided with a sealing ring groove and a base through hole. The plane sealing of the ejector body and the hydraulic pressure device is achieved by installing the sealing ring in the sealing ring groove. The base through hole corresponds to the bottom opening of the cylinder. The upper side of the cylinder has a side through hole. The valve mounting seat is located on the side through hole for arranging the valve. One end of the second connecting piece is connected to the top of the ejector body through the first connecting piece, and the other end is connected to the pressure pump. The base is connected to the hydraulic pressure device.

2. The hydraulic ejector according to claim 1, characterized in that: The base is also provided with a threaded mounting hole, and the base is connected to the hydraulic pressure device through the cooperation of the threaded mounting hole and the screw.

3. The hydraulic ejector according to claim 2, characterized in that: The valve is a ball valve or an angle valve.

4. The hydraulic ejector according to claim 3, characterized in that: The first connecting member is a pair of wires.

5. The hydraulic ejector according to claim 4, characterized in that: The second connecting piece is a quick-connect connector.

6. The hydraulic ejector according to claim 5, characterized in that: The pressure pump is a hand-operated pressure pump with a quick-connect connector.

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