External high-pressure lifter

By adopting a combined structure of a rectangular structure base, sealing cover and sealing ring in the pressure lifter, combined with the airbag's inflation automatic clamping limit, the problem of loose oil pipe connections in the prior art is solved, achieving more stable hydraulic connections and higher usage effects.

CN222967389UActive Publication Date: 2025-06-13SHANDONG HONGYU AGRI MACHINERY
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Patent Information

Application Number
CN202422024147.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-20
Publication Date
2025-06-13
Estimated Expiration
2034-08-20

AI Technical Summary

Technical Problem

The existing pressure lifters lack an effective oil pipe sealing structure, which causes the oil pipe to loosen due to machine vibration after connection, which has limitations.

Method used

An external pressure lifter is designed, adopting a combined structure of a rectangular structure of a base, sealing cover and sealing ring. Through the tight connection between the sealing cover and sealing ring, the sealing connection between the hydraulic parts and the output rod is realized, and the automatic clamping limit of the airbag is used to ensure the stable connection of the oil pipe.

Benefits of technology

Through this design, the practicality of the device is significantly improved, the stable connection of the oil pipe is ensured, the loosening problem caused by vibration is avoided, and the overall use effect is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an external high-pressure lifter, and relates to the field of high-pressure lifters, a through hole is formed in a sealing cover, two sealing rings are fixedly connected in the through hole, and the two sealing rings are fixedly connected to the upper side and the lower side of the interior of the sealing cover in a linear array; the oil pipe sealing device solves the problems that in the prior art, due to the fact that an effective oil pipe sealing structure is lacked, when oil pipes are connected through components such as clamps, the oil pipes are prone to loosening due to vibration of a machine after connection, and limitation exists. Through the arrangement of the air pump, when the connecting base is installed on the outer side of the connector, air can be inflated into the valve pipe and the air bag through the air pump, and when the air bag is inflated, automatic clamping and limiting operation can be automatically conducted on the connector and the oil pipe, so that when the air bag is used, the clamping and limiting operation is more convenient. And the overall practicability of the device can be obviously improved.
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Description

Technical Field

[0001] The utility model belongs to the field of strong pressure lifters, and particularly relates to an external strong pressure lifter. Background Technique

[0002] During the use of a tractor, a lifter is required to lift or lower the agricultural implements towed behind the tractor so as to use the agricultural implements for operations; the lifter is a hydraulic device on the tractor for lifting a plow and is the most complex part in the hydraulic system of the tractor. It realizes the lifting and pressing operations of workpieces by the liquid pressure generated by oil. When the existing strong pressure lifter is in use, due to the lack of an effective oil pipe sealing structure, when the oil pipes are connected by means of components such as clamps, they are very likely to become loose due to the vibration of the machine after connection, and there are limitations.

[0003] Therefore, in view of the deficiencies of the above solutions in actual production and implementation, they are corrected and improved. At the same time, in the spirit of pursuing excellence and with the assistance of professional knowledge and experience, and after various ingenious ideas and tests, the present utility model is created. Specifically, an external strong pressure lifter is provided to solve the problems. Content of the Utility Model

[0004] The present utility model provides an external strong pressure lifter, which solves the problem in the prior art that due to the lack of an effective oil pipe sealing structure, when the oil pipes are connected by means of components such as clamps, they are very likely to become loose due to the vibration of the machine after connection, and there are limitations.

[0005] The technical solution of the present utility model is realized as follows: The external strong pressure lifter includes a base. The main body of the base is of a rectangular structure, and a through hole is provided inside the base. This through hole is an installation hole, and the installation hole and the base together form a connection structure. A sealing cover is fixedly connected to the top end surface of the base. The sealing cover is of a hollow structure inside, and a through hole is provided inside the sealing cover. A sealing ring is fixedly connected inside this through hole. There are two sealing rings in total, and the two sealing rings are fixedly connected in a linear array at the upper and lower positions inside the sealing cover:

[0006] As a preferred implementation manner, a hydraulic component is installed on the top end surface of the base, and the hydraulic component is located inside the sealing cover. Four fixing bolts are installed inside the hydraulic component, and the four fixing bolts are respectively installed at the four corners inside the hydraulic component. The hydraulic component and the fixing bolts together form a connection structure.

[0007] As a preferred embodiment, an output rod is installed at the top end of the hydraulic component, and the output rod is used for power output. A connection head is fixedly connected to the top end surface of the output rod. The main body of the connection head is of a cylindrical structure. Threads are provided on the outer peripheral surface of the connection head, and the diameter of the connection head is smaller than the diameter of the output rod.

[0008] As a preferred embodiment, a hydraulic pipe is installed at the left output end of the hydraulic component. The hydraulic pipe is connected to the hydraulic component and is used for transporting hydraulic oil. A joint is fixedly connected to the left end of the hydraulic pipe, and the diameter of the joint is larger than the diameter of the hydraulic pipe.

[0009] As a preferred embodiment, threads are provided on the outer peripheral surface of the joint. The joint is in communication with the hydraulic pipe. A connection seat is screwed on the outside of the joint. A valve pipe is fixedly connected to the top end surface of the connection seat. The valve pipe is in communication with the connection seat, and the valve pipe is a pressure-receiving and air-release structure.

[0010] As a preferred embodiment, an airbag is fixedly connected inside the connection seat. There are two airbags in total. The two airbags are fixedly connected in a linear array on the left and right sides inside the connection seat. The airbags are in communication with the valve pipe. A supply pipe is fixedly connected to the left end of the connection seat, and the supply pipe is in communication with the connection seat.

[0011] After adopting the above technical solutions, the beneficial effects of the present utility model are as follows:

[0012] 1. In the present utility model, by fixedly connecting an airbag inside the connection seat, when the connection seat is installed on the outside of the joint, air can be pumped into the valve pipe and the inside of the airbag. When the airbag is inflated, the joint and the hydraulic pipe can be automatically clamped and limited, so that the overall practicality of the device can be significantly improved during use.

[0013] 2. In the present utility model, by providing a sealing cover fixedly connected to the top end surface of the base, the sealing connection operation of the hydraulic component can be realized during use. By using two sealing rings fixedly connected in the sealing cover, the tight connection and protection operation of the output rod can be realized, thereby achieving a more practical purpose. Description of the Drawings

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0015] Figure 1 The front view structural schematic diagram after sectioning of the strong pressure lifter of the present utility model;

[0016] Figure 2 The combined structural schematic diagram of the strong pressure lifter of the present utility model;

[0017] Figure 3 The combined structural schematic diagram of the base and the mounting hole of the strong pressure lifter of the present utility model;

[0018] Figure 4 The combined structural schematic diagram of the output rod and the connector of the strong pressure lifter of the present utility model;

[0019] Figure 5 The combined structural schematic diagram of the connecting seat and the valve tube of the strong pressure lifter of the present utility model;

[0020] Figure 6 The top view structural schematic diagram of the strong pressure lifter of the present utility model;

[0021] In the figure, 1, base; 101, mounting hole; 102, sealing cover; 103, sealing ring; 2, hydraulic component; 201, fixing bolt; 202, output rod; 203, connecting rod; 204, oil pipe; 205, joint; 3, connecting seat; 301, valve tube; 302, airbag; 303, supply pipe. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0023] Such as Figures 1-6As shown in the figure, the external forced booster includes: a base 1. The main body of the base 1 is a rectangular structure, and a through hole is provided inside the base 1. This through hole is the mounting hole 101. The mounting hole 101 and the base 1 together form a connection structure. A sealing cover 102 is fixedly connected to the top surface of the base 1. The sealing cover 102 is a hollow structure inside, and a through hole is provided inside the sealing cover 102. A sealing ring 103 is fixedly connected inside this through hole. There are two sealing rings 103 in total, and the two sealing rings 103 are fixedly connected in a linear array at the upper and lower positions inside the sealing cover 102. An airbag 302 is fixedly connected inside the connecting seat 3. There are two airbags 302 in total, and the two airbags 302 are fixedly connected in a linear array at the left and right positions inside the connecting seat 3. The airbag 302 communicates with the air valve pipe 301. A supply pipe 303 is fixedly connected to the left end of the connecting seat 3, and the supply pipe 303 communicates with the connecting seat 3.

[0024] Among them, a hydraulic component 2 is installed on the top surface of the base 1, and the hydraulic component 2 is located inside the sealing cover 102. A fixing bolt 201 is installed inside the hydraulic component 2. There are four fixing bolts 201 in total, and the four fixing bolts 201 are respectively installed at the four corners inside the hydraulic component 2. The hydraulic component 2 and the fixing bolt 201 together form a connection structure. An output rod 202 is installed on the top of the hydraulic component 2, and the output rod 202 is used for power output. A connecting rod 203 is fixedly connected to the top surface of the output rod 202. The main body of the connecting rod 203 is a cylindrical structure. Threads are provided on the outer peripheral surface of the connecting rod 203, and the diameter of the connecting rod 203 is smaller than the diameter of the output rod 202.

[0025] Among them, an oil pipe 204 is installed on the left output end of the hydraulic component 2. The oil pipe 204 is connected to the hydraulic component 2 and is used for transporting hydraulic oil. A joint 205 is fixedly connected to the left end of the oil pipe 204. The diameter of the joint 205 is larger than the diameter of the oil pipe 204. Threads are provided on the outer peripheral surface of the joint 205, and the joint 205 communicates with the oil pipe 204. A connecting seat 3 is screwed outside the joint 205. A valve pipe 301 is fixedly connected to the top surface of the connecting seat 3, and the valve pipe 301 communicates with the connecting seat 3. The valve pipe 301 is a pressure-receiving and air-leaking structure.

[0026] When in use, when the tractor needs to lift and lower agricultural implements, the base 1 can be connected to the tractor body, and at the same time, bolts can be passed through the mounting holes 101 provided in the base 1 to quickly fix the base 1. At the same time, the agricultural implements to be assembled are connected to the connecting rod 203 fixedly connected to the top surface of the output rod 202. After the connection is completed, the supply pipe 303 for connecting the hydraulic oil tank can be screwed onto the joint 205 fixedly connected to the outside of the oil pipe 204 by using the connecting seat 3 fixedly connected to its outside for assembly.

[0027] And after the assembly is completed, any air pump (or air inflater) can be used to connect to the valve tube 301, and through the valve tube 301, air is inflated into the interior of the airbag 302 fixedly connected in the connector 3. The airbag 302 is inflated to achieve the tight connection operation of the joint 205 and the oil pipe 204. And after the connection is completed, the hydraulic component 2 fixedly connected to the base 1 can be started, and through the start of the hydraulic component 2, the lifting and pressing operations of the farm tool are realized, so as to achieve a more practical purpose.

[0028] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention. In the description of the present invention, unless otherwise specified and defined, it should be noted that the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a mechanical connection or an electrical connection, or it can be the communication inside two elements. It can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific situations.

[0029] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. External high-pressure booster, characterized in that: The invention comprises a base (1), the main body of the base (1) is a rectangular structure, and a through hole is provided inside the base (1), the through hole is a mounting hole (101), the mounting hole (101) and the base (1) together form a connection structure, and a sealing cover (102) is fixedly connected to the top surface of the base (1), and the sealing cover (102) is an internal hollow structure, and a through hole is provided inside the sealing cover (102), and a sealing ring (103) is fixedly connected to the inside of the through hole, and the sealing ring (103) is provided at two locations, and the two sealing rings (103) are fixedly connected to the upper and lower sides of the sealing cover (102) in a linear array, and a hydraulic component (2) is installed on the top surface of the base (1), and an oil pipe (204) is installed on the left output end of the hydraulic component (2), and the oil pipe (204) is connected to the hydraulic component (2) and is used to transport hydraulic oil, and the left end of the oil pipe (204) A joint (205) is fixedly connected, and the diameter of the joint (205) is larger than the diameter of the oil pipe (204), a thread is provided on the outer peripheral surface of the joint (205), and the joint (205) and the oil pipe (204) are connected, and a connecting seat (3) is screwed on the outer side of the joint (205), and a valve pipe (301) is fixedly connected on the top surface of the connecting seat (3), and the valve pipe (301) and the connecting seat (3) are connected, and the valve pipe ( 301) is a pressure-deflating structure, the interior of the connecting seat (3) is fixedly connected with an air bag (302), and the air bags (302) are provided at two locations, the two air bags (302) are fixedly connected in a linear array at the left and right sides of the interior of the connecting seat (3), and the air bags (302) are connected to the valve tube (301), and the left end of the connecting seat (3) is fixedly connected with a supply pipe (303), and the supply pipe (303) is connected to the connecting seat (3).

2. The external high-pressure booster according to claim 1, characterized in that: The hydraulic component (2) is located inside the sealing cover (102), and a fixing bolt (201) is installed inside the hydraulic component (2). The fixing bolts (201) are provided at four locations in total. The four fixing bolts (201) are respectively installed at four corners inside the hydraulic component (2), and the hydraulic component (2) and the fixing bolts (201) together form a connection structure.

3. The external high-pressure booster according to claim 2, characterized in that: An output rod (202) is installed at the top end of the hydraulic component (2), and the output rod (202) is used for power output. A connecting rod (203) is fixedly connected to the top end surface of the output rod (202), and the main body of the connecting rod (203) is a cylindrical structure. A thread is provided on the outer peripheral surface of the connecting rod (203), and the diameter of the connecting rod (203) is smaller than the diameter of the output rod (202).