CN215029059U

CN215029059U - Magnetic stirring electric heating jacket with self-locking function

Info

Publication number: CN215029059U
Application number: CN202120976839.4U
Authority: CN
Inventors: 张倩音
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-12-07
Anticipated expiration: 2031-05-08

Abstract

The utility model discloses a magnetic stirring electric heating jacket with self-locking function, which comprises a main machine, an electric heating jacket and a clamping component; the clamping component comprises a hollow upright rod and a positioning sleeve; a guide groove is formed in one side wall of the vertical rod; a lead screw is arranged in the upright rod, a sliding block is screwed on the lead screw, a guide block is arranged on the sliding block, and the guide block is positioned in the guide groove; a driven bevel gear is arranged on the lead screw in the main machine shell; the driven bevel gear is meshed with the driving bevel gear, the driving bevel gear is installed on a driving shaft, the driving shaft is installed on the side wall of the main machine shell, and the driving shaft is connected with a crank; a cross rod is arranged on the guide block, a telescopic loop bar is slidably sleeved on the cross rod, and a positioning locking member is arranged between one end of the telescopic loop bar and the cross rod; a container clamp is arranged at the other end of the telescopic loop bar. The utility model has the screw thread self-locking function, and effectively solves the problem that the traditional slide block slips due to loose locking; in addition, the method also has the advantages of convenient operation, safety, reliability and the like.

Description

Magnetic stirring electric heating jacket with self-locking function

Technical Field

The utility model belongs to test equipment especially relates to a magnetic stirring electric jacket with self-locking function.

Background

As is well known, an electric jacket is a laboratory instrument often used in chemical laboratories for heating materials in chemical experiments. In order to control the constant heating temperature, a temperature sensor and a temperature control instrument are adopted to visually display the temperature, so that the observation is convenient, and the temperature control function is realized. In order to increase the stirring function of the electric heating jacket, a magnetic stirring device is arranged, materials can be stirred through a magnetic stirrer, and meanwhile, zeolite is added to promote heat transfer and mass transfer; thus forming a magnetic stirring electric heating jacket popular in the prior art; the existing magnetic stirring electric heating sleeve is also provided with a clamping component for clamping containers such as flasks and the like on the structural design; the existing clamping assembly generally comprises an upright post fixedly arranged on a table top of a main body, and a sliding block arranged on the upright post in a sliding manner, wherein the sliding block is fixed with the upright post through a locking component; a cross rod transversely penetrates through the sliding block, and a clamp is arranged at the end part of the cross rod and used for clamping the flask; the clamping assembly needs to be operated by two hands simultaneously when the vertical position of the cross rod is adjusted, one hand rotates to lock the cross rod, the other hand adjusts the sliding block up and down to move up and down, the locking component rotates to lock the cross rod when the proper position is adjusted, the clamping assembly generally needs to spend a long time to adjust and lock, and the test efficiency is influenced. Locking member locking insecure phenomenon often appears in the actual experiment in-process, because the locking insecure leads to the automatic gliding of slider, especially the dead weight increases on the clamp in the flask centre gripping that is equipped with the solvent back, leads to flask and heating jacket to bump easily behind the slider gliding, and then causes the flask to break, arouses the incident.

Therefore, the utility model provides a simple structure, reasonable in design, have screw thread self-locking function, convenient operation, safe and reliable's magnetic stirring electric jacket with self-locking function.

SUMMERY OF THE UTILITY MODEL

Problem to prior art exists, the utility model provides a simple structure, reasonable in design, convenient operation, safe and reliable, and have self-locking function's magnetic stirring electric jacket.

The utility model is realized in such a way that the magnetic stirring electric heating jacket with the self-locking function comprises a main machine, an electric heating jacket arranged above the main machine and a clamping component; the clamping component is characterized by comprising a hollow upright rod, the lower end of the upright rod is arranged on a positioning sleeve, the positioning sleeve is fixedly arranged on the upper table top of the host machine, and a guide groove is formed in one side wall of the upright rod along the height direction; a lead screw is installed in the upright rod, a sliding block is screwed on the lead screw in the upright rod, a guide block is arranged on the sliding block corresponding to the guide groove, and the guide block is positioned in the guide groove; the lower end of the screw rod extends into the main machine shell, and a driven bevel gear is arranged on the screw rod in the main machine shell; the driven bevel gear is meshed with the driving bevel gear, the driving bevel gear is installed on a driving shaft, the driving shaft is installed on the side wall of the main machine shell, and the driving shaft is connected with a crank outside the main machine shell; a cross rod is fixedly arranged on the outer side of the guide block and is perpendicular to the guide block, a telescopic loop bar is slidably sleeved on the cross rod, and a positioning locking member is arranged between one end of the telescopic loop bar and the cross rod; a container clamp is arranged at the other end of the telescopic loop bar.

Preferably, the locating sleeve is a threaded sleeve, a threaded section is arranged at the lower end of the vertical rod, and the threaded sleeve is in threaded fit with the threaded section at the lower end of the vertical rod.

Preferably, the outer wall of the positioning sleeve is a smooth surface, the lower end of the vertical rod is inserted into the positioning sleeve, a threaded hole is formed in the lower end of the vertical rod in the direction perpendicular to the axis, a first locking screw is assembled in the threaded hole, and the inner end of the first locking screw is abutted to the positioning sleeve.

Preferably, the positioning and locking member is a second locking screw; the second locking screw is screwed at one end of the telescopic sleeve rod; the inner end part of the second locking screw is abutted to the cross rod.

Preferably, the positioning and locking member is a spring pin, and the spring pin is fixedly arranged at the free end of the cross rod; and the telescopic loop bar is provided with a plurality of positioning holes matched with the spring pins.

Preferably, the container clamp is detachably arranged at the end part of the telescopic loop bar; the container clamp comprises an elastic clamping part, a mounting column is arranged on the outer side of the elastic clamping part, the mounting column is inserted into the telescopic loop bar, and a third locking screw is arranged on the telescopic loop bar.

The utility model has the advantages and technological effect: the clamping assembly of the utility model adopts the screw-nut pair to realize the up-and-down adjustment of the slide block and fix the relative position of the slide block, thus having reliable self-locking performance and precision; the problem that the traditional sliding block slips due to insecure locking is effectively solved; a bevel gear pair is used for transmitting motion and power between two intersecting shafts, and the rotary motion of a lead screw is converted into linear motion of a sliding block; in practical use, the adjustment of the up-and-down position of the sliding block can be easily realized only by shaking the crank with one hand, and further the relative position of the container relative to the heating sleeve is realized. Due to the adoption of the screw nut pair with the self-locking function, even if the adjustment is not in place, the phenomenon that the sliding block automatically slides downwards can not occur when the crank is loosened, and the safety of the test is further improved.

Drawings

FIG. 1 is a schematic structural diagram of embodiment 1 of the present invention;

FIGS. 2 and 3 are schematic perspective views of the structure of embodiment 1;

FIG. 4 is a partial sectional view of embodiment 1;

FIG. 5 is a schematic view of a container clip configuration;

FIG. 6 is a schematic view of a slider and cross bar connection;

FIG. 7 is a schematic structural view of example 2;

FIG. 8 is a schematic structural view of example 3.

In the figure, 1, a host computer; 2. an electric jacket; 3. a clamping assembly; 3-1, erecting a rod; 3-10, a guide groove; 3-2, positioning sleeves; 3-3, a screw rod; 3-4, a sliding block; 3-5, a guide block; 3-6, driven bevel gear; 3-7, a drive bevel gear; 3-8, driving shaft; 3-9, a crank; 3-10, cross bar; 3-11, telescopic loop bar; 3-110, positioning holes; 3-12, positioning a locking component; 3-13, container clips; 3-130, an elastic clamping part; 3-131, mounting posts; 3-132, heat-resistant cushion layer; 3-14, thread bush; 3-15, a first locking screw; 3-16, a second locking screw; 3-17, spring pins; 3-18 and a third locking screw.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Embodiment 1, please refer to fig. 1 to 6, a magnetic stirring electric heating jacket with self-locking function includes a main machine 1, an electric heating jacket 2 installed above the main machine, and a clamping component 3; the main machine has the functions of heating and stirring, belongs to the prior art, and the working principle of the main machine is not described herein any more, the clamping component 3 comprises a hollow upright rod 3-1, the lower end of the upright rod is arranged on a positioning sleeve 3-2, and the positioning sleeve is fixedly arranged on the upper table top of the main machine; the positioning sleeve has the function of supporting the vertical rod on one hand, and can be used as a rotating center to adjust the rotating vertical rod on the other hand, so that the vertical rod is kept away from the upper part of the electric heating sleeve, and the installation and other operations of containers such as flasks and the like are facilitated; a guide groove 3-1-1 is formed in one side wall of the upright rod 3-1 along the height direction; a lead screw 3-3 is arranged in the upright rod, a sliding block 3-4 is screwed on the lead screw in the upright rod, a guide block 3-5 is arranged on the sliding block corresponding to the guide groove, and the guide block is positioned in the guide groove; the lower end of the screw rod extends into the main machine shell, and a driven bevel gear 3-6 is arranged on the screw rod in the main machine shell; the driven bevel gear is meshed with a driving bevel gear 3-7, the driving bevel gear is installed on a driving shaft 3-8, the driving shaft is installed on the side wall of a main machine shell, and the driving shaft is connected with a crank 3-9 on the outer side of the main machine shell; a cross rod 3-10 is fixedly installed perpendicular to the guide block at the outer side of the guide block, a telescopic loop rod 3-11 is slidably sleeved on the cross rod, and a positioning locking component 3-12 is arranged between one end of the telescopic loop rod and the cross rod; the other end of the telescopic loop bar is provided with a container clamp 3-13.

In this embodiment 1, the positioning sleeve is a threaded sleeve 3-14, a threaded section is provided at the lower end of the vertical rod, and the threaded sleeve is in threaded fit with the threaded section at the lower end of the vertical rod. The locating sleeve and the vertical rod are in threaded fit, and after the heating container leaves the electric heating jacket, the vertical rod is rotated to avoid the upper part of the electric heating jacket or align the electric heating jacket.

In the embodiment 1, the positioning and locking member is a second locking screw 3-16; the second locking screw is screwed at one end of the telescopic sleeve rod; the inner end part of the second locking screw is abutted to the cross rod.

Preferably, referring to fig. 5, the container clips 3-13 are detachably mounted at the ends of the telescopic sleeved rods 3-11; the container clamp comprises elastic clamping parts 3-130, mounting columns 3-131 are arranged on the outer sides of the elastic clamping parts, the mounting columns are inserted into the telescopic sleeve rods, and third locking screws 3-18 are arranged on the telescopic sleeve rods; the heat-resistant cushion layers 3-132 are adhered to the inner surface of the elastic clamping part, so that the heat insulation effect is achieved, and the heating container is prevented from being damaged. Meanwhile, the angle of the container clamp can be adjusted by loosening and clamping.

In embodiment 2, referring to fig. 7, the outer wall of the positioning sleeve is a smooth surface, the lower end of the vertical rod is inserted into the positioning sleeve, a threaded hole is formed in the lower end of the vertical rod in the direction perpendicular to the axis, a first locking screw 3-15 is assembled in the threaded hole, and the inner end of the first locking screw abuts against the positioning sleeve. After the heating container leaves the electric jacket, at first the first locking screw of unscrewing, then rotatory pole setting realizes that the pole setting dodges the top of electric jacket or aim at the electric jacket, and the first locking screw of screwing behind the adjustment position realizes fixing, prevents that the pole setting from taking place rotatoryly in the test process, and all the other structures adopt embodiment 1 structure.

Embodiment 3, please refer to fig. 8, the positioning and locking member is a spring pin 3-17, which is fixedly installed at the free end of the cross bar; the telescopic loop bar is provided with a plurality of positioning holes 3-110 matched with the spring pins, when the length of the telescopic loop bar 3-11 needs to be adjusted, the length of the telescopic loop bar can be adjusted by only pressing down the spring pins, and the rest of the structure adopts the structure of the embodiment 1.

The clamping assembly of the utility model adopts the screw nut pair with self-locking function to realize the up-and-down adjustment of the slide block, thereby effectively solving the problem that the traditional slide block slips due to the insecure locking; a bevel gear pair is used for transmitting motion and power between two intersecting shafts, and the rotary motion of a lead screw is converted into linear motion of a sliding block; in practical use, the adjustment of the up-and-down position of the sliding block can be easily realized only by shaking the crank with one hand, and further the relative position of the container relative to the heating sleeve is realized. Due to the adoption of the screw nut pair with the self-locking function, even if the adjustment is not in place, the phenomenon that the sliding block automatically slides downwards can not occur when the crank is loosened, and the safety of the test is further improved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A magnetic stirring electric heating jacket with a self-locking function comprises a host, an electric heating jacket arranged above the host and a clamping component; the clamping component is characterized by comprising a hollow upright rod, the lower end of the upright rod is arranged on a positioning sleeve, the positioning sleeve is fixedly arranged on the upper table top of the host machine, and a guide groove is formed in one side wall of the upright rod along the height direction; a lead screw is installed in the upright rod, a sliding block is screwed on the lead screw in the upright rod, a guide block is arranged on the sliding block corresponding to the guide groove, and the guide block is positioned in the guide groove; the lower end of the screw rod extends into the main machine shell, and a driven bevel gear is arranged on the screw rod in the main machine shell; the driven bevel gear is meshed with the driving bevel gear, the driving bevel gear is installed on a driving shaft, the driving shaft is installed on the side wall of the main machine shell, and the driving shaft is connected with a crank outside the main machine shell; a cross rod is fixedly arranged on the outer side of the guide block and is perpendicular to the guide block, a telescopic loop bar is slidably sleeved on the cross rod, and a positioning locking member is arranged between one end of the telescopic loop bar and the cross rod; a container clamp is arranged at the other end of the telescopic loop bar.

2. The magnetic stirring electric heating jacket with the self-locking function as claimed in claim 1, wherein: the positioning sleeve is a threaded sleeve, a threaded section is arranged at the lower end of the vertical rod, and the threaded sleeve is in threaded fit with the threaded section at the lower end of the vertical rod.

3. The magnetic stirring electric heating jacket with the self-locking function as claimed in claim 1, wherein: the outer wall of the positioning sleeve is a smooth surface, the lower end of the vertical rod is inserted into the positioning sleeve, a threaded hole is formed in the lower end of the vertical rod and perpendicular to the axis direction, a first locking screw is assembled in the threaded hole, and the inner end portion of the first locking screw is abutted to the positioning sleeve.

4. The magnetic stirring electric heating jacket with the self-locking function as claimed in claim 1, wherein: the positioning locking component is a second locking screw; the second locking screw is screwed at one end of the telescopic sleeve rod; the inner end part of the second locking screw is abutted to the cross rod.

5. The magnetic stirring electric heating jacket with the self-locking function as claimed in claim 1, wherein: the positioning locking component is a spring pin which is fixedly provided with the free end of the cross rod; and the telescopic loop bar is provided with a plurality of positioning holes matched with the spring pins.

6. The magnetic stirring electric heating jacket with the self-locking function as claimed in claim 1, wherein: the container clamp is detachably arranged at the end part of the telescopic loop bar; the container clamp comprises an elastic clamping part, a mounting column is arranged on the outer side of the elastic clamping part, the mounting column is inserted into the telescopic loop bar, and a third locking screw is arranged on the telescopic loop bar.