Melting point tester convenient to observe

Abstract

The utility model belongs to the technical field of melting point testing, and particularly relates to a melting point tester convenient to observe, which comprises a testing main body, the outer surface wall of the test main body is fixedly connected with a pneumatic tube; the bottom of the pneumatic tube communicates with a sucker; the inner surface wall of the pneumatic tube is in threaded connection with an auxiliary screw rod; the top of the auxiliary screw rod is fixedly connected with a knob; the bottom of the auxiliary screw rod is rotationally connected with a connecting rod; the bottom of the connecting rod is fixedly connected with a piston; the top of the test main body is fixedly connected with an auxiliary frame; the top of the auxiliary frame is rotationally connected with an adjusting block; the bottom of the adjusting block penetrates through the auxiliary frame and is fixedly connected with an adjusting screw rod; during work, the suction cup is arranged, the piston can be controlled to ascend by the aid of the auxiliary screw, air pressure in the suction cup is reduced, and the tester can be fixed on a smooth plane by the aid of the suction cup.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of melting point test, specifically a kind of melting point tester of easy observation. BACKGROUND

[0002] Melting point tester is mainly used to determine the melting point of solid matter, i.e. the temperature when the matter changes from solid to liquid, which is of great significance for quality control and scientific research of matter.

[0003] At present, in prior art, melting point tester, when using, transparent beaker structure is generally used, and heating and temperature detection structure is provided, so that the temperature inside the collecting beaker can be collected when the matter produces thermal melting phenomenon, to realize the function of testing melting point.

[0004] The existing melting point tester, when using, needs to be placed on the desktop for use, but when directly placed on the relatively smooth plane, the tester is easily moved randomly, affecting the observation of the tester, in order to ensure the convenient observation of the testing instrument, magnifying glass structure is usually designed, but the common magnifying glass structure cannot freely adjust the rotation angle and be fixed, therefore, a kind of melting point tester of easy observation is proposed for the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the deficiency of prior art and solve at least one technical problem proposed in the background art, the utility model provides a kind of melting point tester of easy observation.

[0006] The utility model solves the technical problems thereof by adopting the technical scheme that the utility model discloses a kind of melting point tester of easy observation, including test main part;The outer wall of test main part is fixedly connected with gas pressure pipe;The bottom of gas pressure pipe is communicated with suction disc;The inner wall of gas pressure pipe is threadedly connected with auxiliary screw rod;The top of auxiliary screw rod is fixedly connected with knob;The bottom of auxiliary screw rod is rotatably connected with connecting rod;The bottom of connecting rod is fixedly connected with piston;The top of test main part is fixedly connected with auxiliary frame;The top of auxiliary frame is rotatably connected with adjusting block;The bottom of adjusting block is fixedly connected with adjusting screw rod and auxiliary frame through auxiliary frame;Adjusting screw rod and auxiliary frame are rotatably connected.

[0007] Preferably, the outer wall of the adjusting screw rod is threadedly connected with the sliding block;The sliding block is slidably connected with the auxiliary frame;The sliding block is fixedly connected with the fixed main frame;The top of the fixed main frame is fixedly connected with the auxiliary ring.

[0008] Preferably, the inner wall of the fixed main frame is rotatably connected with the clamping gear;The inner wall of the auxiliary ring is fixedly connected with the damping rod.

[0009] Preferably, the outer wall of the damping rod is slidingly connected with a clamping block; and the clamping block is fixedly connected with a damping spring through an auxiliary ring.

[0010] Preferably, the fixed frame body is fixedly connected between the clamping gears; and the inner wall of the fixed frame body is fixedly connected with a magnifying glass.

[0011] Preferably, the side of the test body is mounted with a control console; and the top of the test body is mounted with a heater.

[0012] Preferably, the top of the test body is fixedly connected with a transparent cup body; the top of the test body is mounted with an electric push rod; and the output end of the electric push rod is fixedly connected with a temperature tester.

[0013] The present application has the following beneficial effects:

[0014] The present application provides a melting point tester convenient for observation, which is characterized by the following technical scheme: a suction cup is arranged, and the piston can be controlled to ascend by means of an auxiliary screw, so that the air pressure inside the suction cup is reduced, and the tester can be fixed on a smooth plane by means of the suction cup.

[0015] The present application provides a melting point tester convenient for observation, which is characterized by the following technical scheme: an adjusting block rotating adjusting screw is arranged, so that the sliding block can ascend or descend freely; the magnifying glass can be adjusted in height freely, and the magnifying glass body can be rotated simultaneously; the magnifying glass can be fixed in position by means of clamping, so that the magnifying glass is prevented from rotating randomly. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which are included to provide a further understanding of the present application and constitute a part of this application, illustrate embodiments of the present application and together with the general description of the application given above and the detailed description of the application given below, serve to explain the present application.

[0017] In the drawings:

[0018] Figure 1 is a perspective view of the present application as a whole;

[0019] Figure 2 is a perspective view of a test body in the present application;

[0020] Figure 3 is an enlarged view of A in the present application;

[0021] Figure 4 is an enlarged view of B in the present application.

[0022] LEGEND

[0023] 1, test body; 2, electric push rod; 3, temperature tester; 4, transparent cup body; 5, air pressure pipe; 6, knob; 7, suction cup; 8, control console; 9, auxiliary frame; 10, adjusting block; 11, adjusting screw; 12, sliding block; 13, heater; 14, fixed body frame; 15, auxiliary ring; 16, clamping gear; 17, clamping block; 18, damping rod; 19, damping spring; 20, fixed frame; 21, magnifying glass; 22, auxiliary screw; 23, connecting rod; 24, piston. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] Specific embodiments are given below.

[0026] Please refer to Figures 1-4 The present application provides a melting point tester convenient to observe, which comprises a test body 1; an air pressure pipe 5 is fixedly connected to the outer wall of the test body 1; a suction cup 7 is communicated to the bottom of the air pressure pipe 5; an auxiliary screw 22 is threadedly connected to the inner wall of the air pressure pipe 5; a knob 6 is fixedly connected to the top of the auxiliary screw 22; a connecting rod 23 is rotatably connected to the bottom of the auxiliary screw 22; a piston 24 is fixedly connected to the bottom of the connecting rod 23; an auxiliary frame 9 is fixedly connected to the top of the test body 1; an adjusting block 10 is rotatably connected to the top of the auxiliary frame 9; an adjusting screw 11 is fixedly connected to the bottom of the adjusting block 10 and penetrates through the auxiliary frame 9; the adjusting screw 11 is rotatably connected to the auxiliary frame 9; when working, the suction cup 7 is in contact with a plane, then the knob 6 is rotated, the auxiliary screw 22 is rotated, the rotation of the auxiliary screw 22 makes it ascend on the internal threads of the air pressure pipe 5, the connecting rod 23 and the piston 24 ascend in parallel, the air pressure in the suction cup 7 is reduced, and the suction cup 7 is fixedly adsorbed on the plane.

[0027] Further, as Figure 2 and Figure 3As shown, the outer wall of the adjusting screw 11 is threadedly connected with the sliding block 12; the sliding block 12 is slidably connected with the auxiliary frame 9; the fixed main body frame 14 is fixedly connected between the sliding blocks 12; the top of the fixed main body frame 14 is fixedly connected with the auxiliary ring 15; the inner wall of the fixed main body frame 14 is rotatably connected with the clamping gear 16; the inner wall of the auxiliary ring 15 is fixedly connected with the damping rod 18; the outer wall of the damping rod 18 is slidably connected with the clamping block 17; the clamping block 17 is fixedly connected with the damping spring 19 through the auxiliary ring 15; the fixed frame body 20 is fixedly connected between the clamping gears 16; the inner wall of the fixed frame body 20 is fixedly connected with the magnifying glass 21; the side of the test main body 1 is provided with the control console 8; the top of the test main body 1 is provided with the heater 13; the top of the test main body 1 is fixedly connected with the transparent cup body 4; the top of the test main body 1 is provided with the electric push rod 2; the output end of the electric push rod 2 is fixedly connected with the temperature tester 3.

[0028] Working principle: after the suction disc 7 is in contact with the plane, the knob 6 can be rotated, so that the auxiliary screw 22 is rotated, and because the auxiliary screw 22 is rotatably connected with the connecting rod 23, the rotation of the auxiliary screw 22 causes the threaded rising of the auxiliary screw 22 in the inside of the air pressure pipe 5, so that the connecting rod 23 and the piston 24 are synchronously raised in parallel, so that the air pressure in the suction disc 7 is reduced, so that the suction disc 7 is fixedly adsorbed on the plane, through the rotation of the adjusting block 10 and the adjusting screw 11, the sliding block 12 can be freely adjusted up and down under the limiting of the auxiliary frame 9, and when the fixed frame body 20 is rotated with force, the clamping gear 16 can be rotated to extrude the clamping block 17, at the same time, the clamping block 17 is slid on the damping rod 18 to extrude the damping spring 19, after the rotation of the clamping gear 16 is completed, the damping spring 19 can re-elastic the clamping block 17 into the groove of the clamping gear 16 for limiting.

[0029] The basic principle, main characteristics and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application.

Claims

1. A melting point tester for ease of observation comprising a test body (1); characterized in that: The outer wall of the test body (1) is fixedly connected with the air pressure pipe (5); the bottom of the air pressure pipe (5) is communicated with the suction cup (7); the inner wall of the air pressure pipe (5) is threadedly connected with the auxiliary screw rod (22); the top of the auxiliary screw rod (22) is fixedly connected with the knob (6); the bottom of the auxiliary screw rod (22) is rotatably connected with the connecting rod (23); the bottom of the connecting rod (23) is fixedly connected with the piston (24); the top of the test body (1) is fixedly connected with the auxiliary frame (9); the top of the auxiliary frame (9) is rotatably connected with the adjusting block (10); the bottom of the adjusting block (10) is fixedly connected with the adjusting screw rod (11) penetrating through the auxiliary frame (9); the adjusting screw rod (11) is rotatably connected with the auxiliary frame (9).

2. A melting point tester for ease of observation as claimed in claim 1 wherein: The outer wall of the adjusting screw rod (11) is threadedly connected with the sliding block (12); the sliding block (12) is slidably connected with the auxiliary frame (9); the sliding blocks (12) are fixedly connected with the fixed body frame (14); the top of the fixed body frame (14) is fixedly connected with the auxiliary ring (15).

3. A melting point tester for facilitating observation as claimed in claim 2 wherein: The inner wall of the fixed body frame (14) is rotatably connected with the clamping gear (16); the inner wall of the auxiliary ring (15) is fixedly connected with the damping rod (18).

4. A melting point tester for facilitating observation as claimed in claim 3 wherein: The outer wall of the damping rod (18) is slidably connected with the clamping block (17); the clamping block (17) is fixedly connected with the damping spring (19) through the auxiliary ring (15).

5. A melting point tester for facilitating observation as defined in claim 3, wherein: The clamping gears (16) are fixedly connected with the fixed frame body (20); the inner wall of the fixed frame body (20) is fixedly connected with the magnifying glass (21).

6. A melting point tester for ease of observation as defined in claim 1, wherein: The side of the test body (1) is provided with the control console (8); the top of the test body (1) is provided with the heater (13).

7. A melting point tester for facilitating observation as defined in claim 1, wherein: The top of the test body (1) is fixedly connected with the transparent cup body (4); the top of the test body (1) is provided with the electric push rod (2); the output end of the electric push rod (2) is fixedly connected with the temperature tester (3).

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