Precise manual oil pressure control device

By designing a precision manual hydraulic control device and using a pressure regulating component to adjust the hydraulic pressure, the problem of inaccurate hydraulic pressure control in existing technologies has been solved, thereby improving the accuracy and efficiency of test results.

CN223883345UActive Publication Date: 2026-02-06CHANGZHOU ARCHITECTUAL RES INST GRP CO LTD
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Patent Information

Application Number
CN202520204287.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2026-02-06
Estimated Expiration
2035-02-10

AI Technical Summary

Technical Problem

Existing manual pressurization devices cannot achieve precise control of oil pressure during construction and testing, resulting in low accuracy and efficiency of test results, and frequent manual pressure replenishment is required when oil pressure drops.

Method used

A precision manual hydraulic control device including a housing, a first internal valve, and a second internal valve is designed. By adjusting the height of the first and second pressure regulating components, the hydraulic pressure can be precisely adjusted and stably maintained, avoiding frequent pressurization.

Benefits of technology

It achieves precise adjustment and stable maintenance of hydraulic pressure, improves the accuracy and efficiency of test results, and simplifies the operation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of oil pressure, and particularly relates to a precise manual oil pressure control device which comprises a shell, an oil inlet, an oil outlet, an oil pressure sensor and a controller. The first inner valve is vertically arranged in the shell, the first inner valve slides in the vertical direction, and the length of the first inner valve is larger than the height of the oil inlet; the second inner valve is vertically arranged in the shell, the second inner valve slides in the vertical direction, and the length of the second inner valve is larger than the height of the oil outlet; by arranging the first pressure regulating assembly and the second pressure regulating assembly, the loading equipment can be pressurized step by step, the detection precision is improved, meanwhile, the pressure supplementing operation on the loading equipment is simple, and the efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to oil pressure technical field, concretely relates to a precision manual oil pressure control device. BACKGROUND

[0002] In the construction field of municipal, traffic, water conservancy and the like, drawing detection is an indispensable work, and is mainly used for evaluating the construction quality related to adhesion, such as anchor rod, embedded steel bar, facing material, thermal insulation material and the like. For some drawing tests with small loading, manual pressurization is mainly used.

[0003] Although manual pressurization has been widely applied, it also has the problems of oil pressure control difficulty and the like. For example, the existing manual pressurization device has a large single process, and cannot realize accurate increase or decrease of oil pressure, and cannot realize stable load holding. In the detection process, the oil pressure is prone to decrease, and manual pressure needs to be constantly supplemented, resulting in low detection result accuracy and poor efficiency. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a precision manual oil pressure control device to solve the technical problem that the manual pressurization device cannot maintain stable load holding, resulting in decreased detection result accuracy, and achieve the purpose of opening or closing hydraulic oil to accurately regulate oil pressure while maintaining stable oil pressure.

[0005] In order to solve the above technical problem, the utility model provides a precision manual oil pressure control device, which comprises:

[0006] A shell, oil inlet and oil outlet are arranged at two ends of the shell respectively;

[0007] A first inner valve is vertically arranged in the interior of the shell, the first inner valve slides along the vertical direction, and the length of the first inner valve is greater than the height of the oil inlet;

[0008] A second inner valve is vertically arranged in the interior of the shell, the second inner valve slides along the vertical direction, and the length of the second inner valve is greater than the height of the oil outlet.

[0009] Further, a vertical partition plate is arranged on the inner wall of the top end of the shell, first and second pressure regulating assemblies are arranged on the two sides of the partition plate respectively;

[0010] The first pressure regulating assembly is arranged at one end of the shell close to the oil inlet, and the second pressure regulating assembly is arranged at one end of the shell close to the oil outlet.

[0011] Further, the first pressure regulating assembly comprises the first inner valve, a first screw rod and a first handle, and the top end of the first inner valve is coaxially connected with the first screw rod;

[0012] The top end of the first screw rod penetrates the top end of the shell, and the outer wall of the first screw rod is threadedly connected with the inner wall of the top end of the shell.

[0013] Further, the top end of the first screw rod is sleeved with a first sleeve on the outside, and the first handle horizontally penetrates the first sleeve.

[0014] Further, the second pressure regulating assembly comprises the second inner valve, a second screw rod and a second handle, the top end of the second inner valve is coaxially connected with the second screw rod;

[0015] The top end of the second screw rod penetrates the top end of the shell, and the outer wall of the second screw rod is threadedly connected with the inner wall of the top end of the shell.

[0016] Further, the top end of the second screw rod is sleeved with a second sleeve on the outside, and the second handle horizontally penetrates the second sleeve.

[0017] Further, the two sides of the first inner valve are respectively slidably connected with the inner wall of the shell and the side wall of the partition plate.

[0018] Further, the two sides of the second inner valve are respectively slidably connected with the inner wall of the shell and the side wall of the partition plate.

[0019] The beneficial effects of the present application are as follows:

[0020] The first pressure regulating assembly and the second pressure regulating assembly are arranged, the height of the first inner valve or the second inner valve is adjusted by rotating the first handle or the second handle, oil enters the loading equipment through the oil outlet to increase the oil pressure, the oil pressure is different due to the different height of the adjusted first inner valve or second inner valve, and the loading equipment can accurately adjust the oil pressure.

[0021] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the following preferred embodiments are described in detail below, and the accompanying drawings are described as follows. DRAWINGS

[0022] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creating any creative labor.

[0023] Figure 1It is a structure schematic view of a precise manual oil pressure control device of the utility model.

[0024] In the drawing,

[0025] 1, shell; 11, partition; 2, oil inlet; 3, oil outlet; 4, first pressure regulating assembly; 41, first inner valve; 42, first screw rod; 43, first sleeve; 44, first handle; 5, second pressure regulating assembly; 51, second inner valve; 52, second screw rod; 53, second sleeve; 54, second handle. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme of the utility model will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Embodiment:

[0028] As Figure 1 shown, a precise manual oil pressure control device comprises a shell 1, the two ends of the shell 1 are respectively provided with an oil inlet 2 and an oil outlet 3, the oil inlet 2 is connected with an oil pump, the oil pump pumps oil into the shell 1 through the oil inlet 2, the oil outlet 3 is connected with loading equipment, and the oil enters the loading equipment through the oil outlet 3 to regulate the pressure of the loading equipment, thereby avoiding the impact on the detection result caused by the sudden pressure increase of the loading equipment.

[0029] Among them, the top inner wall of the shell 1 is provided with a vertical partition 11, the two sides of the partition 11 are respectively provided with a first pressure regulating assembly 4 and a second pressure regulating assembly 5; the first pressure regulating assembly 4 is arranged at one end of the shell 1 close to the oil inlet 2, and the two sides of the first inner valve 41 are respectively connected with the inner wall of the shell 1 and the side wall of the partition 11 in a sliding manner; the second pressure regulating assembly 5 is arranged at one end of the shell 1 close to the oil outlet 3, and the two sides of the second inner valve 51 are respectively connected with the inner wall of the shell 1 and the side wall of the partition 11 in a sliding manner.

[0030] In the embodiment, the first pressure regulating assembly 4 comprises a first inner valve 41, a first screw rod 42 and a first handle 44, the top end of the first inner valve 41 is coaxially connected with the first screw rod 42, the first inner valve 41 is vertically arranged in the shell 1, the first inner valve 41 slides in the vertical direction, the length of the first inner valve 41 is greater than the height of the oil inlet 2, and when the bottom end of the first inner valve 41 abuts against the bottom inner wall of the shell 1, the first inner valve 41 blocks the oil from entering the shell 1 through the oil inlet 2.

[0031] The top end of the first screw rod 42 penetrates the top end of the shell 1, and the outer wall of the first screw rod 42 is threadedly connected with the inner wall of the top end of the shell 1; the first sleeve 43 is arranged outside the top end of the first screw rod 42, and the first handle 44 horizontally penetrates the first sleeve 43; when the first handle 44 is rotated, the first handle 44 drives the first sleeve 43 and the first screw rod 42 to rotate; since the first screw rod 42 is threadedly connected with the shell 1, the first screw rod 42 is raised or lowered to adjust the oil inlet amount of the oil inlet 2.

[0032] In the embodiment, the second pressure regulating assembly 5 comprises a second inner valve 51, a second screw rod 52 and a second handle 54; the top end of the second inner valve 51 is coaxially connected with the second screw rod 52; the second inner valve 51 is vertically arranged in the interior of the shell 1, and the second inner valve 51 slides along the vertical direction; the length of the second inner valve 51 is greater than the height of the oil outlet 3; when the bottom end of the second inner valve 51 abuts against the inner wall of the bottom end of the shell 1, the second inner valve 51 blocks the oil from entering the loading device through the oil outlet 3.

[0033] The top end of the second screw rod 52 penetrates the top end of the shell 1, and the outer wall of the second screw rod 52 is threadedly connected with the inner wall of the top end of the shell 1; the second sleeve 53 is arranged outside the top end of the second screw rod 52, and the second handle 54 horizontally penetrates the second sleeve 53; when the second handle 54 is rotated, the second handle 54 drives the second sleeve 53 and the second screw rod 52 to rotate; since the second screw rod 52 is threadedly connected with the shell 1, the second screw rod 52 is raised or lowered to adjust the oil outlet amount of the oil outlet 3.

[0034] In summary, the device is installed between the oil pump and the loading device; the oil pump is communicated with the oil inlet 2, the loading device is communicated with the oil outlet 3, the first inner valve 41 and the second inner valve 51 are both opened by rotating the first handle 44 and the second handle 54, the loading device is pressurized by the oil pump, the second inner valve 51 is closed when the oil pressure approaches the test requirement, the first inner valve 41 is closed when the oil pressure exceeds the test oil pressure by continuing to pressurize, the detection is started, the first inner valve 41 is slowly opened by gradually rotating the first handle 44, and the first inner valve 41 is closed when the oil pressure reaches the design value; the step-by-step pressurization and detection are completed; when unloading, the second inner valve 51 is kept closed, the first inner valve 41 is opened, the oil pressure is reduced, the first inner valve 41 is closed when the oil pressure is less than the test oil pressure, the second inner valve 51 is opened, the pressure is gradually reduced to the test oil pressure, and the step-by-step pressure reduction and load holding are performed; the test is completed, and the device is disassembled.

[0035] In the present application, each device selected is a general standard part or a component known to those skilled in the art, the structure and principle of which can be known by those skilled in the art through a technical manual or through a conventional experimental method.

[0036] In the description of the embodiments of the utility model, unless another definite provision and limitation, the term "mount", "link", "connect" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication.For the ordinary skilled in the art, the above-mentioned terms can be understood in the specific meaning in the utility model according to the specific circumstances.

[0037] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicative or suggestive of relative importance.

[0038] With the above ideal embodiments according to the utility model as inspiration, through the above description, relevant staff can certainly make various changes and modifications without deviating from the scope of the technical idea of the utility model.The technical scope of the utility model is not limited to the content in the specification, and must be determined according to the scope of the claims.

Claims

1. A precision manual oil pressure control device characterized by comprising: The utility model relates to a kind of oil filter, including: Shell (1), the oil inlet (2) and oil outlet (3) are respectively arranged at both ends of the shell (1); First inner valve (41), the first inner valve (41) is vertically arranged in the inside of the shell (1), the first inner valve (41) slides along vertical direction, the length of the first inner valve (41) is greater than the height of the oil inlet (2); Second inner valve (51), the second inner valve (51) is vertically arranged in the inside of the shell (1), the second inner valve (51) slides along vertical direction, the length of the second inner valve (51) is greater than the height of the oil outlet (3).

2. A precision manual hydraulic control device as claimed in claim 1, characterized in that The top end inner wall of the shell (1) is provided with vertical partition (11), the first pressure regulating assembly (4) and the second pressure regulating assembly (5) are respectively arranged on both sides of the partition (11); The first pressure regulating assembly (4) is arranged at one end of the shell (1) close to the oil inlet (2), and the second pressure regulating assembly (5) is arranged at one end of the shell (1) close to the oil outlet (3).

3. A precision manual hydraulic control device as claimed in claim 2, characterised in that The first pressure regulating assembly (4) includes the first inner valve (41), first screw rod (42) and first handle (44), and the top end of the first inner valve (41) is coaxially connected with the first screw rod (42); The top end of the first screw rod (42) penetrates the top end of the shell (1), and the outer wall of the first screw rod (42) is threadedly connected with the top end inner wall of the shell (1).

4. A precision manual hydraulic control device as claimed in claim 3, characterised in that The top end of the first screw rod (42) is provided with a first sleeve (43) outside, and the first handle (44) penetrates the first sleeve (43) horizontally.

5. A precision manual hydraulic control device as claimed in claim 2, wherein The second pressure regulating assembly (5) includes the second inner valve (51), second screw rod (52) and second handle (54), and the top end of the second inner valve (51) is coaxially connected with the second screw rod (52); The top end of the second screw rod (52) penetrates the top end of the shell (1), and the outer wall of the second screw rod (52) is threadedly connected with the top end inner wall of the shell (1).

6. A precision manual hydraulic control device as claimed in claim 5, characterised in that The top end of the second screw rod (52) is provided with a second sleeve (53) outside, and the second handle (54) penetrates the second sleeve (53) horizontally.

7. A precision manual hydraulic control device as claimed in claim 2, wherein The first inner valve (41) is slidably connected with the inner wall of the shell (1) and the side wall of the partition (11) on both sides respectively.

8. A precision manual hydraulic control device as claimed in claim 2, wherein The second inner valve (51) is slidably connected with the inner wall of the shell (1) and the side wall of the partition (11) on both sides respectively.