Safety protection structure for magnetic stirrer

Abstract

The utility model discloses a safety protection structure for a magnetic stirrer, which belongs to the technical field of magnetic stirrers and comprises a magnetic stirrer body, a support frame is fixedly connected to the periphery of the magnetic stirrer body, and a protection mechanism for protecting the surface of the magnetic stirrer is mounted on the support frame. According to the magnetic stirrer, the protection mechanism is arranged on the magnetic stirrer body, the heated surface of the magnetic stirrer body can be covered by the protection cover in the protection mechanism, so that the contact with the hand of a worker is avoided, and the protection effect of the magnetic stirrer body is improved; according to the magnetic stirrer, a worker can conveniently place a sample needing to be stirred on the surface of the magnetic stirrer body, the worker is prevented from making contact with the magnetic stirrer body, a protection sleeve is arranged on the inner wall of a through groove, and then a lead screw and a threaded sleeve are matched to drive the protection sleeve to clamp and fix a sample container.

Description

Technical Field

[0001] The utility model relates to the technical field of magnetic stirrers, in particular to a safety protection structure for a magnetic stirrer. Background Art

[0002] A magnetic stirrer is a laboratory instrument used for liquid mixing. It is mainly used for stirring or simultaneously heating and stirring low-viscosity liquids or solid-liquid mixtures. Its basic principle is to use the principle of like charges repelling and opposite charges attracting in the magnetic field. The magnetic field is used to push the magnetic stirrer placed in the container to rotate in a circle, thereby achieving the purpose of stirring the liquid. In conjunction with the heating temperature control system, the sample temperature can be heated and controlled according to specific experimental requirements, the temperature conditions required by the experimental conditions can be maintained, and the liquid mixing can be ensured to meet the experimental requirements.

[0003] The existing magnetic stirrer has a heating function. In order to provide temperature for the stirred samples in winter, the surface of the magnetic stirrer will heat up. When the staff place the samples for stirring, it is easy for them to come into contact with the surface of the magnetic stirrer, thereby causing the risk of burns to the hands of the staff. In order to solve the above-mentioned problems, a safety protection structure for a magnetic stirrer is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a safety protection structure for a magnetic stirrer. A protection mechanism is arranged on the magnetic stirrer body. The heated surface of the magnetic stirrer body can be covered by a protection cover in the protection mechanism, thereby avoiding contact with the hands of the staff, improving the protection effect of the magnetic stirrer body, and solving the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a safety protection structure for a magnetic stirrer, comprising a magnetic stirrer body, a support frame fixedly connected to the magnetic stirrer body on all sides, the support frame being equipped with a protection mechanism for providing protection to the surface of the magnetic stirrer, and a positioning component being installed on all sides of the surface of the magnetic stirrer body, the top of the positioning component passing through the protection mechanism and extending outward.

[0006] Preferably, the protective mechanism includes a protective cover, and fixed columns are fixedly connected to the bottom of the protective cover at equal distances on all sides. Positioning holes are opened on the surface of the support frame at positions corresponding to the fixed columns. The fixed columns are inserted into the inner cavity of the positioning holes, and the inner wall of the protective cover is in contact with the edge of the magnetic stirrer body.

[0007] Preferably, the positioning assembly includes an insulation block, which is fixed on the surface of the magnetic stirrer body, a positioning rod is fixedly connected to the insulation block, a through hole is opened on the upper surface of the protective cover at a position corresponding to the positioning rod, a threaded groove is provided on the top of the positioning rod, and the threaded groove on the positioning rod passes through the through hole and is threadedly connected with a fastener.

[0008] Preferably, handles are fixedly connected to two sides of the protective cover, and the corners at both ends of the handles are arranged in the form of beveled surfaces.

[0009] Preferably, a through groove is provided at the center of the upper surface of the protective cover, and a protective sleeve is installed on the inner side wall of the through groove.

[0010] Preferably, threaded sleeves are embedded on both sides of the protective cover corresponding to the position of the handles, the inner cavity of the threaded sleeve is threadedly connected to a screw rod, and one end of the screw rod is fixedly connected to the outer side of the protective cover.

[0011] Preferably, the protective cover is transparent, and the edges around the protective cover are chamfered.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model provides a safety protection structure for a magnetic stirrer. A protection mechanism is arranged on the magnetic stirrer body. The heated surface of the magnetic stirrer body can be covered by a protection cover in the protection mechanism, thereby avoiding contact with the hands of staff and improving the protection effect of the magnetic stirrer body.

[0014] 2. The utility model provides a safety protection structure for a magnetic stirrer. By opening a through groove on the protective cover, it is convenient for the staff to place the sample to be stirred on the surface of the magnetic stirrer body, avoiding contact between the staff and the magnetic stirrer body. A protective sleeve is arranged on the inner wall of the through groove, and then the protective sleeve is driven by the cooperation of the screw rod and the threaded sleeve to clamp and fix the sample container. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a partial cross-sectional schematic diagram of the protective cover structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the protection mechanism and the main structure of the magnetic stirrer of the utility model;

[0018] Figure 4 It is a partial bottom view of the protective cover structure of the utility model.

[0019] Numbers in the figure: 1. Magnetic stirrer body; 2. Support frame; 3. Protection mechanism; 31. Protection cover; 32. Fixing column; 33. Positioning hole; 4. Positioning assembly; 41. Insulation block; 42. Positioning rod; 43. Through hole; 44. Fastener; 5. Handle; 6. Through groove; 7. Protective sleeve; 8. Threaded sleeve; 9. Screw. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] The utility model provides Figures 1 to 4 A safety protection structure for a magnetic stirrer is shown, comprising a magnetic stirrer body 1, a support frame 2 is fixedly connected to the magnetic stirrer body 1 on all sides, the support frame 2 is equipped with a protection mechanism 3 for protecting the surface of the magnetic stirrer, and a positioning component 4 is installed on the surface of the magnetic stirrer body 1 on all sides, the top of the positioning component 4 passes through the protection mechanism 3 and extends outward, a protection mechanism 3 is arranged on the magnetic stirrer body 1, and the protective cover 31 in the protection mechanism 3 can cover the heated surface of the magnetic stirrer body 1, thereby avoiding contact with the hands of the staff, and improving the protection effect of the magnetic stirrer body 1.

[0022] The protection mechanism 3 includes a protection cover 31, and fixed columns 32 are fixedly connected at equal distances around the bottom of the protection cover 31. Positioning holes 33 are opened on the surface of the support frame 2 at positions corresponding to the fixed columns 32. The fixed columns 32 are inserted into the inner cavity of the positioning holes 33, and the inner side wall of the protection cover 31 is fitted with the edge of the magnetic stirrer body 1. Through the cooperation of the set fixed columns 32 and the positioning holes 33, the protection cover 31 can be positioned, thereby avoiding the position movement of the protection cover 31 during the covering process.

[0023] The positioning assembly 4 includes an insulation block 41, which is fixed on the surface of the magnetic stirrer body 1. A positioning rod 42 is fixedly connected to the insulation block 41. A through hole 43 is provided on the upper surface of the protective cover 31 at a position corresponding to the positioning rod 42. A threaded groove is provided on the top of the positioning rod 42. The threaded groove on the positioning rod 42 passes through the through hole 43 and is threadedly connected with a fastener 44. The insulation block 41 can isolate the heat generated on the surface of the magnetic stirrer body 1 from the positioning rod 42, and the through hole 43 provided on the protective cover 31 can facilitate the penetration of the positioning rod 42, so that the protective cover 31 can be fixed again by the fastener 44.

[0024] Handles 5 are fixedly connected to both sides of the protective cover 31 , and the corners of both ends of the handles 5 are arranged in a beveled surface, so that the staff can conveniently take the protective cover 31 through the arranged handles 5 .

[0025] A through groove 6 is provided at the center of the upper surface of the protective cover 31, and a protective sleeve 7 is installed on the inner side wall of the through groove 6. Threaded sleeves 8 are embedded on both sides of the protective cover 31 corresponding to the position of the handle 5. The inner cavity of the threaded sleeve 8 is threadedly connected with a screw rod 9, and one end of the screw rod 9 is fixedly connected to the outer side of the protective sleeve 7. By opening a through groove 6 on the protective cover 31, it is convenient for the staff to place the sample to be stirred on the surface of the magnetic stirrer body 1, avoiding contact between the staff and the magnetic stirrer body 1, and the protective sleeve 7 is arranged on the inner wall of the through groove 6, and then the protective sleeve 7 is driven by the cooperation of the screw rod 9 and the threaded sleeve 8 to clamp and fix the sample container.

[0026] The protective cover 31 is transparent, and the edges around the protective cover 31 are chamfered, which is convenient for the staff to observe the stirring situation and prevents the protective cover 31 from being scratched against the staff.

[0027] During specific use, first a support frame 2 is fixed around the magnetic stirrer body 1, and a positioning hole 33 is opened on the support frame 2, then a transparent protective cover 31 with a cross-sectional area larger than the magnetic stirrer body 1 is designed, and a fixing column 32 is installed at the bottom of the protective cover 31 at a position corresponding to the positioning hole 33, and then the fixing column 32 is inserted into the positioning hole 33 for fixing. At the same time, while the protective cover 31 is fixed, the top of the positioning rod 42 passes through the through hole 43, and then is fixed by the fastener 44, thereby providing protection for the surface of the magnetic stirrer body 1 and enhancing the fixing effect of the protective cover 31 during installation.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A safety protection structure for a magnetic stirrer, comprising a magnetic stirrer body (1), characterized in that: The magnetic stirrer body (1) is fixedly connected to a support frame (2) on all sides, the support frame (2) is equipped with a protective mechanism (3) for protecting the surface of the magnetic stirrer, and a positioning component (4) is installed on all sides of the surface of the magnetic stirrer body (1), and the top of the positioning component (4) passes through the protective mechanism (3) and extends outward.

2. A safety protection structure for a magnetic stirrer according to claim 1, characterized in that: The protective mechanism (3) comprises a protective cover (31), and fixed columns (32) are fixedly connected at equal distances around the bottom of the protective cover (31). Positioning holes (33) are opened at positions corresponding to the fixed columns (32) on the surface of the support frame (2), and the fixed columns (32) are inserted into the inner cavity of the positioning holes (33), and the inner side wall of the protective cover (31) is in contact with the edge of the magnetic stirrer body (1).

3. A safety protection structure for a magnetic stirrer according to claim 2, characterized in that: The positioning assembly (4) comprises a heat insulating block (41), the heat insulating block (41) is fixed on the surface of the magnetic stirrer body (1), a positioning rod (42) is fixedly connected to the heat insulating block (41), a through hole (43) is provided at a position on the upper surface of the protective cover (31) corresponding to the positioning rod (42), a thread groove is provided on the top of the positioning rod (42), and the thread groove on the positioning rod (42) passes through the through hole (43) and is threadedly connected to a fastener (44).

4. A safety protection structure for a magnetic stirrer according to claim 3, characterized in that: The protective cover (31) has handles (5) fixedly connected to its two sides, and the corners at both ends of the handles (5) are arranged in the form of beveled surfaces.

5. A safety protection structure for a magnetic stirrer according to claim 2, characterized in that: A through slot (6) is provided at the center of the upper surface of the protective cover (31), and a protective sleeve (7) is installed on the inner side wall of the through slot (6).

6. A safety protection structure for a magnetic stirrer according to claim 5, characterized in that: Threaded sleeves (8) are embedded on both sides of the protective cover (31) corresponding to the position of the handle (5), the inner cavity of the threaded sleeve (8) is threadedly connected to a screw rod (9), and one end of the screw rod (9) is fixedly connected to the outer side of the protective cover (7).

7. A safety protection structure for a magnetic stirrer according to claim 2, characterized in that: The protective cover (31) is transparent, and the edges around the protective cover (31) are chamfered.

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