Automatic pour point tester

By designing an automatic pour point tester with a fixing, shaking and cleaning mechanism, the problem of the inner test tube falling off during shaking is solved, stable mixing and cleaning are achieved, and the test efficiency is improved.

CN223400845UActive Publication Date: 2025-09-30DALIAN BAHNEN PETROLEUM INSTR
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Patent Information

Application Number
CN202422564981.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-23
Publication Date
2025-09-30
Estimated Expiration
2034-10-23

AI Technical Summary

Technical Problem

In existing automatic pour point measuring instruments, when the inner test tube is shaken to mix the reagents, it is easy for the hand to slip and cause it to fall off, resulting in leakage of the reagents and damage to the test tube, which affects the measurement efficiency.

Method used

An automatic pour point tester including a fixing mechanism, a shaking mechanism, a tilting mechanism and a cleaning mechanism is designed. The inner test tube is clamped by a fixing frame, and the outer test tube is tilted and cleaned by a motor, thereby achieving stable shaking and tilting operations.

Benefits of technology

This ensures that the inner test tube is not easily dropped during mixing and measurement, thus avoiding damage, improving measurement efficiency and simplifying the test tube cleaning process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automatic pour point tester which comprises a main body, the fixing mechanism comprises a driven shaft, the outer wall of the driven shaft is fixedly connected with a connecting disc, the movable end of the connecting disc is fixedly connected with a fixing frame, and the inner wall of the fixing frame is fixedly connected with an outer test tube; the shaking mechanism comprises an annular groove formed in the outer wall of the top of the main body, two movable blocks are symmetrically and slidably connected to the inner wall of the annular groove, a positive and negative tooth screw rod is rotatably connected between the two movable blocks in a penetrating mode, and a handle and an inclination mechanism are fixedly connected to the outer wall of one side of the positive and negative tooth screw rod. The tilting mechanism comprises a supporting plate fixedly connected to the outer wall of the main body and a cleaning mechanism, and the cleaning mechanism comprises a bendable metal rod rotationally connected to the outer wall of the top of the main body. The device has the advantages that the inner test tube can be stably shaken, the inner test tube is prevented from being damaged by accidents, and the pour point measurement efficiency is guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of oil pour point detection, in particular to an automatic pour point measuring instrument. Background Art

[0002] The pour point tester is an instrument used to measure the fluidity of petroleum products in low-temperature environments. Pour point is an important quality indicator of petroleum products. Lubricating oil is blended from various base oils extracted from petroleum, so pour point is also an important quality indicator for lubricating oils.

[0003] When using an existing automatic pour point tester, a reagent needs to be put into an inner test tube and shaken to completely mix the reagent. Then, the outer wall of the inner test tube is cleaned and placed in an outer test tube. When the outer test tube is placed in the tester, the inner test tube may fall out of the hand and be damaged due to slipping or other reasons when the inner test tube is shaken to mix the reagent, causing leakage of the reagent, wasting the reagent and the test tube, and affecting the efficiency of the pour point test. Therefore, it is necessary to provide an automatic pour point tester that ensures stable shaking of the inner test tube. Utility Model Content

[0004] The purpose of the utility model is to provide an automatic pour point determination instrument to solve the problem raised in the above-mentioned background technology that when the inner test tube is shaken to mix the reagents, the inner test tube may easily fall out of the hand and be damaged due to slipping or other reasons, causing the reagent to leak out, resulting in waste of the reagent and the test tube, and affecting the efficiency of the pour point determination.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The utility model is an automatic pour point measuring instrument, comprising:

[0007] main body;

[0008] A fixing mechanism, the fixing mechanism comprising a driven shaft, an outer wall of the driven shaft being fixedly connected to a connecting disk, a movable end of the connecting disk being fixedly connected to a fixing frame, and an inner wall of the fixing frame being fixedly connected to an outer test tube;

[0009] A shaking mechanism, the shaking mechanism comprising an annular groove provided on the outer wall of the top of the main body, the inner wall of the annular groove being symmetrically and slidingly connected to two movable blocks, a forward and reverse screw rod being rotatably connected between the two movable blocks, and a handle being fixedly connected to the outer wall of one side of the forward and reverse screw rod;

[0010] Furthermore, it also includes a tilting mechanism, the tilting mechanism includes a support plate fixedly connected to the outer wall of the main body, a motor is fixedly connected to the outer wall on one side of the top of the support plate, and a sliding groove is opened on the outer wall of the support plate;

[0011] Furthermore, the output end of the motor is fixedly connected to a screw rod, the inner wall on the other side of the support plate is fixedly connected to a support shaft, and the screw rod and the outer wall of the support shaft are drivenly connected to a slider;

[0012] Wherein, the connecting disk is fixedly connected to the slider;

[0013] Furthermore, the fixing frame and the outer test tube are provided with mounting holes, the inner wall of the mounting hole of the fixing frame is fixedly connected with a fixing cylinder, the inner wall of the circumference of the fixing cylinder is slidably connected with a button, the outer wall of the button is fixedly connected with a push rod and a connecting spring, the outer wall of the circumference of the push rod is provided with a groove, and the inner wall of the fixing cylinder is movably connected with a limit ball;

[0014] Furthermore, it also includes a cleaning mechanism, which includes a bendable metal rod rotatably connected to the outer wall of the top of the main body, and a connecting cylinder is fixedly connected to the outer wall of the circumference of the end of the bendable metal rod;

[0015] Furthermore, the outer circumferential wall of the connecting cylinder is threadedly connected to a sleeve, and the outer circumferential wall of the sleeve is fixedly connected to a cleaning rack at equal intervals around the circumference;

[0016] Compared with the prior art, the advantages of the present invention are:

[0017] 1. The utility model places an inner test tube containing reagents between two movable blocks, manually drives the handle to rotate, the handle drives the forward and reverse screws to rotate, the forward and reverse screws drive the two movable blocks to approach each other to clamp the inner test tube, and then manually moves the movable block to drive the clamped inner test tube to rotate along the annular groove, thereby shaking the inner test tube to completely mix the reagents. The mixed inner test tube is placed in the outer test tube, and the inner test tube can be shaken stably to avoid accidental damage to the inner test tube, thereby ensuring the efficiency of pour point determination.

[0018] 2. Based on the first beneficial effect, the outer tooth tube is placed in the fixing rack, the button is pressed to insert the fixing tube into the cover of the outer tooth tube, the button is released, and the connecting spring rebounds to return the push rod, so that the limiting ball slides from the groove to the end of the push rod and contacts the inner wall of the fixing tube, thereby limiting the outer test tube, intermittently turning on the motor to drive the screw rod to rotate, and the screw rod drives the slider to move up and down, thereby driving the limited outer test tube to move along the slide groove and tilt, thereby intermittently tilting the outer test tube during measurement, and using the cleaning rack to clean the outer wall of the inner test tube after shaking, which is convenient for limiting the outer test tube and stably tilting, so that the outer wall of the inner test tube can be cleaned. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 This is a schematic diagram of the overall structure of the utility model Figure 1 ;

[0021] Figure 2 This is a schematic diagram of the overall structure of the utility model Figure 2 ;

[0022] Figure 3 This is a cross-sectional view of the fixing mechanism of the utility model.

[0023] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0024] 1. Main body; 2. Tilting mechanism; 201. Support plate; 202. Motor; 203. Screw; 204. Support shaft; 205. Slide; 206. Slider; 3. Fixing mechanism; 301. Driven shaft; 302. Connecting plate; 303. Fixing frame; 304. Outer test tube; 305. Fixing cylinder; 306. Button; 307. Push rod; 308. Connecting spring; 309. Groove; 310. Limiting ball; 4. Shaking mechanism; 401. Annular groove; 402. Movable block; 403. Positive and negative screw; 404. Handle; 5. Cleaning mechanism; 501. Bendable metal rod; 502. Connecting cylinder; 503. Sleeve; 504. Cleaning frame. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0026] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0027] In order to make the purpose, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0028] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended only to facilitate the description of this application and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limiting this application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0029] See also Figure 1-3 As shown, this embodiment is an automatic pour point measuring instrument, comprising:

[0030] Subject 1;

[0031] The fixing mechanism 3 includes a driven shaft 301, an outer wall of the driven shaft 301 is fixedly connected to a connecting disk 302, a movable end of the connecting disk 302 is fixedly connected to a fixing frame 303, and an inner wall of the fixing frame 303 is fixedly connected to an outer test tube 304;

[0032] The fixed frame 303 is moved along the slide groove 205 by the driven shaft 301, and the external test tube 304 is supported by the fixed frame 303;

[0033] The shaking mechanism 4 includes an annular groove 401 formed on the outer wall of the top of the main body 1. Two movable blocks 402 are symmetrically and slidably connected to the inner wall of the annular groove 401. A forward and reverse screw rod 403 is rotatably connected between the two movable blocks 402. A handle 404 is fixedly connected to the outer wall of one side of the forward and reverse screw rod 403.

[0034] The handle 404 drives the forward and reverse screw rods 403 to rotate, and the forward and reverse screw rods 403 drive the two movable blocks 402 to move in opposite directions, and the movable blocks 402 clamp the test tube;

[0035] Working principle: Place the inner test tube containing the reagent between the two movable blocks 402, manually drive the handle 404 to rotate, the handle 404 drives the forward and reverse screw rods 403 to rotate, the forward and reverse screw rods 403 drive the two movable blocks 402 to move closer to each other to clamp the inner test tube, then manually move the movable block 402 to drive the clamped inner test tube to rotate along the annular groove 401, thereby shaking the inner test tube to completely mix the reagents, and the mixed inner test tube is placed into the outer test tube 304;

[0036] This step can shake the inner test tube steadily to avoid accidental damage to the inner test tube and ensure the efficiency of the pour point determination.

[0037] See also Figure 1-3As shown, this embodiment is based on the above embodiment 1 and also includes:

[0038] The tilting mechanism 2 includes a support plate 201 fixedly connected to the outer wall of the main body 1, a motor 202 is fixedly connected to the outer wall of one side of the top of the support plate 201, and a sliding groove 205 is opened on the outer wall of the support plate 201;

[0039] The support plate 201 supports the motor 202;

[0040] The output end of the motor 202 is fixedly connected to a screw rod 203, the inner wall of the other side of the support plate 201 is fixedly connected to a support shaft 204, and the outer wall of the screw rod 203 and the support shaft 204 is drivenly connected to a slider 206;

[0041] Wherein, the connecting plate 302 is fixedly connected to the slider 206;

[0042] The motor 202 provides power to the screw rod 203, and the screw rod 203 and the support shaft 204 cause the slider 206 to move linearly, and the slider 206 drives the fixed frame 303 to move;

[0043] The fixing frame 303 and the outer test tube 304 are provided with mounting holes. A fixing cylinder 305 is fixedly connected to the inner wall of the mounting hole of the fixing frame 303. A button 306 is slidably connected to the inner wall of the fixing cylinder 305. A push rod 307 and a connecting spring 308 are fixedly connected to the outer wall of the button 306. A groove 309 is provided on the outer wall of the push rod 307. A limiting ball 310 is movably connected to the inner wall of the fixing cylinder 305.

[0044] The fixing cylinder 305 is supported by the mounting hole, and the button 306 is supported by the fixing cylinder 305. The push rod 307 is driven by the button 306 to move so that the limiting ball 310 slides to the groove 309. When the button 306 is released, the connecting spring 308 rebounds so that the limiting ball 310 contacts the inner wall of the fixing cylinder 305 to limit the external test tube 304.

[0045] The cleaning mechanism 5 includes a bendable metal rod 501 rotatably connected to the top outer wall of the main body 1, and a connecting cylinder 502 is fixedly connected to the outer wall of the circumference of the end of the bendable metal rod 501;

[0046] The connecting tube 502 can be adjusted by the bendable metal rod 501;

[0047] The outer wall of the connecting cylinder 502 is threadedly connected to a sleeve 503, and the outer wall of the sleeve 503 is fixedly connected to a cleaning frame 504 at equal intervals around the circumference;

[0048] The cleaning rack 504 is driven by the sleeve 503 to move along the connecting tube 502, and the cleaning rack 504 is adjusted to clean the outer wall of the inner test tube through the cleaning rack 504;

[0049] Working principle: put the outer tooth tube into the fixing frame 303, press the button 306 to insert the fixing cylinder 305 into the cover of the outer tooth tube, release the button 306, and the connecting spring 308 rebounds to return the push rod 307 to its position, so that the limiting ball 310 slides from the groove 309 to the end of the push rod 307 and contacts the inner wall of the fixing cylinder 305, thereby limiting the outer test tube 304, intermittently turning on the motor 202 to drive the screw rod 203 to rotate, and the screw rod 203 drives the slider 206 to move up and down, thereby driving the limited outer test tube 304 to move along the slide groove 205 and tilt, so that the outer test tube 304 during measurement is intermittently tilted, and the cleaning rack 504 is used to clean the outer wall of the inner test tube after shaking;

[0050] This step facilitates the positioning of the outer test tube 304 and the stable tilting thereof, and allows the outer wall of the inner test tube to be cleaned.

[0051] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or indirect connections through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0052] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. An automatic pour point tester, characterized in that: include: Subject (1); A fixing mechanism (3), the fixing mechanism (3) comprising a driven shaft (301), an outer wall of the driven shaft (301) being fixedly connected to a connecting disk (302), a movable end of the connecting disk (302) being fixedly connected to a fixing frame (303), and an inner wall of the fixing frame (303) being fixedly connected to an outer test tube (304); A shaking mechanism (4) includes an annular groove (401) provided on the outer wall of the top of the main body (1); two movable blocks (402) are symmetrically and slidingly connected to the inner wall of the annular groove (401); a forward and reverse threaded rod (403) is rotatably connected between the two movable blocks (402); and a handle (404) is fixedly connected to the outer wall of one side of the forward and reverse threaded rod (403).

2. An automatic pour point tester according to claim 1, characterized in that: The invention also includes a tilting mechanism (2), wherein the tilting mechanism (2) includes a support plate (201) fixedly connected to the outer wall of the main body (1), a motor (202) is fixedly connected to the outer wall on one side of the top of the support plate (201), and a sliding groove (205) is provided on the outer wall of the support plate (201).

3. An automatic pour point tester according to claim 2, characterized in that: The output end of the motor (202) is fixedly connected to a screw rod (203), the inner wall of the other side of the support plate (201) is fixedly connected to a support shaft (204), and the outer circumferential wall of the screw rod (203) and the support shaft (204) is drivenly connected to a slider (206); Wherein, the connecting disk (302) is fixedly connected to the slider (206).

4. The automatic pour point tester according to claim 1, wherein: The fixing frame (303) and the outer test tube (304) are provided with mounting holes, the inner wall of the mounting hole of the fixing frame (303) is fixedly connected to a fixing cylinder (305), the inner wall of the circumference of the fixing cylinder (305) is slidably connected to a button (306), the outer wall of the button (306) is fixedly connected to a push rod (307) and a connecting spring (308), the outer wall of the circumference of the push rod (307) is provided with a groove (309), and the inner wall of the fixing cylinder (305) is movably connected to a limiting ball (310).

5. The automatic pour point tester according to claim 1, characterized in that: It also includes a cleaning mechanism (5), which includes a bendable metal rod (501) rotatably connected to the top outer wall of the main body (1), and a connecting cylinder (502) is fixedly connected to the circumferential outer wall of the end of the bendable metal rod (501).

6. An automatic pour point tester according to claim 5, characterized in that: The outer circumferential wall of the connecting cylinder (502) is threadedly connected to a sleeve (503), and the outer circumferential wall of the sleeve (503) is fixedly connected to a cleaning frame (504) at equal intervals around the circumference.