CN217189676U

CN217189676U - Constant temperature water-bath that laboratory was used

Info

Publication number: CN217189676U
Application number: CN202123427772.8U
Authority: CN
Inventors: 陈建军; 任万强; 范小慧
Original assignee: Wuhan Shangcheng Biotechnology Co ltd
Current assignee: Wuhan Shangcheng Biotechnology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-16
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a constant temperature water bath kettle for laboratory, the water bath kettle comprises a shell and a water tank arranged on the upper part of the shell, four side walls at the top of the water tank are all connected with a fixed rod in a sliding way, one end of the fixed rod positioned outside the water tank is provided with a first connecting rod along the vertical direction, the bottom end of the first connecting rod is rotatably connected with a second connecting rod, the center of the bottom surface in the shell is provided with a lead screw motor along the vertical direction, a thread sleeve is connected on a lead screw of the lead screw motor in a threaded way, and one end of the second connecting rod far away from the first connecting rod is rotatably connected with the thread sleeve; the utility model discloses the lead screw motor that sets up drives the thread bush and goes up and down to drive the second connecting rod with the one end that the thread bush is connected then goes up and down together, drives the dead lever and follows the horizontal direction motion, and four dead levers are located the one end of basin and mutually support, and then reach the fixed purpose of container in the basin.

Description

Constant temperature water-bath that laboratory was used

Technical Field

The utility model belongs to the technical field of the water-bath heating, specifically be a constant temperature water-bath that laboratory was used.

Background

The constant-temperature water bath kettle is widely applied to drying, concentration, distillation, impregnation of chemical reagents, impregnation of medicines and biological agents, can also be used for water bath constant-temperature heating and other temperature tests, is a necessary tool for education and scientific research in biological, genetic, viral, aquatic, environmental protection, medical, sanitary, biochemical laboratories and analysis rooms, and is mainly characterized in that A and a water tank of a working room are made of stainless steel, and have excellent corrosion resistance, B and accurate temperature control, digital display, automatic temperature control and C, and the constant-temperature water bath kettle is simple and convenient to operate and safe to use.

The Chinese utility model patent with the publication number of CN208049967U discloses an energy-saving automatic constant-temperature electric heating constant-temperature water bath kettle, which comprises a main body device and a constant-temperature device, wherein the main body device comprises a box body, a bath kettle body, a supporting plate, a heater, a temperature controller and a base, the box body is arranged on the upper surface of the base, the box body is fixedly connected with the upper surface of the base, the heater is arranged in an inner cavity of the box body, the heater is fixedly connected with the bottom of the inner cavity of the box body, the supporting plate is arranged above the box body, and the supporting plate is fixedly connected with the wall of the inner cavity of the box body; for the temperature of cold water in the hot water does not influence the water tank, the fan can take out cold wind into the water tank in, lower the temperature through the water of S type cooling tube in to the water tank, can close the power of water pump and fan when temperature controller senses the temperature in the box and is fallen, not only can make the enough cyclic utilization of hydroenergy like this, saves the water resource, can also make the organism can carry out constant temperature automatically through temperature controller.

The Chinese utility model patent with the publication number of CN209173965U discloses a constant-temperature water bath kettle, which comprises a kettle body, a heating rod and a support plate, wherein the heating rod and the support plate are arranged in the kettle body, the constant-temperature water bath kettle also comprises a fixing frame, the fixing frame comprises a transverse baffle and a longitudinal baffle, a first limiting strip extends from the upper end of the transverse baffle, a plurality of first limiting strips are arranged at intervals along the length direction of the transverse baffle, and a first inserting groove for clamping the longitudinal baffle is formed between every two adjacent first limiting strips; the lower end of the longitudinal baffle extends to form a second limiting strip, a plurality of second limiting strips are arranged at intervals along the length direction of the longitudinal baffle, and a second transverse baffle insertion groove for clamping connection is formed between every two adjacent first limiting strips. The utility model discloses have through horizontal baffle and longitudinal baffle butt in the container all around and the separation between the container, and then avoid because the water is heated the convection current and causes the collision breakage when the container rocks or topple over, the effect of the stability when having promoted container water bath heating.

The Chinese utility model patent with publication number CN203990696U discloses a constant temperature water bath, which comprises a frame, a motor, a crushing cavity, a feed inlet mesh screen screening plate, a screening device, a dust removing and explosion preventing device, wherein the motor is fixedly connected in the frame, the crushing cavity is fixed on the frame, a rotating shaft is arranged in the crushing cavity, and the rotating shaft is connected with an output shaft of the motor through a speed reducer; a dust removal device is arranged in the crushing cavity, a hopper is arranged at the top of one side of the crushing cavity, and a feed port mesh screen screening plate is arranged at the top of the hopper; a material interface is arranged on one side of the crushing cavity and is in butt joint with the bottom of the hopper; and a crushing device is arranged on a rotating shaft in the crushing cavity and consists of a movable cutter and a fluted disc. A screening device is arranged below the crushing cavity and is connected with a discharge hole; the feeding gate valve below the feeding hole and the discharging gate valve on the discharging hole are double gate valves, a probe chamber is installed below the discharging gate valve, and the screening device is connected below the probe chamber.

The prior water bath kettle is lack of a container fixing device, and the solution in the container is easy to splash when the water bath heating is carried out.

Disclosure of Invention

The utility model aims at providing a constant temperature water-bath that laboratory was used to the problem that prior art exists.

In order to achieve the above object, the utility model adopts the following technical scheme:

a constant-temperature water bath kettle for a laboratory comprises a shell and a water tank arranged at the upper part of the shell, wherein the top end of the water tank is opened and communicated with the outside, it is characterized in that four side walls at the top of the water tank are connected with fixing rods in a sliding way, the fixing rods are vertical to the side walls of the water tank connected with the fixing rods, a first connecting rod is arranged at one end of the fixed rod positioned outside the water tank along the vertical direction, the bottom end of the first connecting rod is rotatably connected with a second connecting rod through a first rotating shaft, the bottom surface center department is equipped with the lead screw motor along vertical direction in the casing, threaded connection has the thread bush on the lead screw of lead screw motor, four the second connecting rod is kept away from the one end of head rod all through the second pivot with the thread bush rotary type is connected, first pivot with the second pivot all sets up along the horizontal direction.

The utility model discloses the second connecting rod that sets up is connected with the thread bush, and the unable lead screw of wire-wound rod motor of second connecting rod rotates, leads to the unable rotation of thread bush, and consequently the lead screw of lead screw motor drives the thread bush when rotating and goes up and down, takes place to rotate between the thread bush of lift and the second connecting rod to drive the second connecting rod with the one end that the thread bush is connected then goes up and down together, and dead lever and head rod homoenergetic can only follow the horizontal direction motion, and the height of the one end that the second connecting rod is connected with the head rod is restricted, and consequently the thread bush of going up and down drives the head rod through the second connecting rod and follows the horizontal direction motion, and then drives the dead lever and follows the horizontal direction motion, and four dead levers are located the one end of basin and mutually support, and then reach the fixed purpose with the container in the basin.

Furthermore, the second connecting rod is rotatably connected with the first connecting rod through a third connecting rod, the third connecting rod is positioned between the first connecting rod and a lead screw of the lead screw motor and is positioned below the water tank, one end of the third connecting rod is fixed with the bottom surface of the first connecting rod, the other end of the third connecting rod is rotatably connected with the second connecting rod, the first connecting rod and the second connecting rod are connected through the arranged third connecting rod, the third connecting rod is fixed with the first connecting rod, so that when the first connecting rod is abutted against the outer side wall of the water tank, the second connecting rod can be closer to a vertical state (but not in a vertical state), when the thread sleeve is lifted, the distance of the first connecting rod along the horizontal direction is driven to be farther, and therefore, the thread sleeve can be lifted by a shorter distance to drive the first connecting rod to move the whole range of the moving range, the space that the lead screw motor took is favorable to reducing, makes this device structure compacter.

Furthermore, a pair of slide rails is fixed on four inner walls of the shell, the slide rails are perpendicular to the inner walls of the shell, the third connecting rod is connected between the pair of slide rails in a sliding mode, the first connecting rod and the second connecting rod are located between the pair of slide rails corresponding to the first connecting rod, the motion track of the third connecting rod is further guided through the arranged slide rails, and therefore the motion of the bottom end of the first connecting rod is guided, and the first connecting rod, the second connecting rod and the third connecting rod are made to move more stably.

Furthermore, the top surface of the sliding rail is fixed with the outer bottom surface of the water tank, and the sliding rail is fixed more firmly.

Further, the lead screw of lead screw motor with the center department rotary type of bottom surface is connected outside the basin, and the restriction lead screw rocks, makes the thread bush and the motion of second connecting rod more stable.

Furthermore, four sliding grooves are formed in the inner top surface of the shell, the four fixing rods are slidably connected with the four sliding grooves respectively, and the sliding connection between the fixing rods and the side wall of the water tank is achieved through the mutual matching of the arranged sliding grooves and the fixing rods.

Furthermore, one end of the fixing rod, which is positioned in the water tank, is provided with a top head, and the four top heads are mutually matched for fixing the container.

Further, the top is kept away from one side of dead lever is the cambered surface, and the container that the laboratory was used is the arc lateral wall for the most, can better fixed container through the cambered surface that sets up.

Furthermore, a buffer pad is arranged on one side, away from the fixing rod, of the ejector head. The blotter is the arc rubber pad, can protect the container, also is favorable to fixing more firm with the container.

Compared with the prior art, the beneficial effects of the utility model are that:

Drawings

FIG. 1 is a schematic view of a structure of a thermostatic water bath for a laboratory of the present invention;

FIG. 2 is a schematic view of the connection relationship between the second connecting rod, the third connecting rod and the thread bushing of the present invention;

in the figure: 1. a housing; 2. a water tank; 3. fixing the rod; 4. a first connecting rod; 5. a second connecting rod; 6. a screw motor; 7. a threaded sleeve; 8. a third connecting rod; 9. a slide rail; 10. ejecting the head; 11. a cushion pad.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 and fig. 2, the embodiment provides a thermostatic water bath for a laboratory, the water bath includes a housing 1 and a water tank 2 disposed on an upper portion of the housing 1, the top end of the water tank 2 is open and is communicated with the outside, and the thermostatic water bath is characterized in that four side walls of the top of the water tank 2 are slidably connected with fixing rods 3, the fixing rods 3 are perpendicular to the side walls of the water tank 2 connected with the fixing rods 3, one end of the fixing rod 3 located outside the water tank 2 is provided with a first connecting rod 4 along a vertical direction, the bottom end of the first connecting rod 4 is rotatably connected with a second connecting rod 5 through a first rotating shaft, a screw rod motor 6 is disposed at the center of the inner bottom surface of the housing 1 along the vertical direction, a threaded sleeve 7 is threadedly connected to a screw rod of the screw rod motor 6, and one ends of the four second connecting rods 5 far away from the first connecting rod 4 are rotatably connected with the threaded sleeve 7 through a second rotating shaft, the first rotating shaft and the second rotating shaft are arranged along the horizontal direction.

The second connecting rod 5 arranged in the utility model is connected with the thread bush 7, the second connecting rod 5 can not rotate around the screw rod of the screw rod motor 6, which leads the thread bush 7 to be incapable of rotating, therefore, the screw rod of the screw rod motor 6 drives the threaded sleeve 7 to lift when rotating, the lifting threaded sleeve 7 rotates with the second connecting rod 5, and drives the end of the second connecting rod 5 connected with the threaded sleeve 7 to lift together, the fixed rod 3 and the first connecting rod 4 can only move along the horizontal direction, the height of the end of the second connecting rod 5 connected with the first connecting rod 4 is limited, the lifting thread bush 7 drives the first connecting rod 4 to move along the horizontal direction through the second connecting rod 5, and then drive dead lever 3 and move along the horizontal direction, the one end that four dead levers 3 are located basin 2 is mutually supported, and then reaches the purpose of fixed with the container in the basin 2.

Furthermore, the second connecting rod 5 is rotatably connected with the first connecting rod 4 through a third connecting rod 8, the third connecting rod 8 is located between the first connecting rod 4 and the lead screw of the lead screw motor 6 and below the water tank 2, one end of the third connecting rod 8 is fixed to the bottom surface of the first connecting rod 4, the other end of the third connecting rod 8 is rotatably connected with the second connecting rod 5, the first connecting rod 4 is connected with the second connecting rod 5 through the third connecting rod 8, the third connecting rod 8 is fixed to the first connecting rod 4, so that when the first connecting rod 4 abuts against the outer side wall of the water tank 2, the second connecting rod 5 can be closer to a vertical state (but not in a vertical state), and when the thread sleeve 7 is lifted, the distance for driving the first connecting rod 4 to move along the horizontal direction is farther, so that the thread sleeve 7 can be lifted by a shorter distance, that the first connecting rod 4 can be driven to move in the whole range of movement, the space occupied by the screw motor 6 is reduced, and the structure of the device is more compact.

Further, four inner walls of the casing 1 are all fixed with a pair of slide rails 9, the slide rails 9 are perpendicular to the inner walls of the casing 1, the third connecting rod 8 is connected between the slide rails 9 in a sliding manner, the first connecting rod 4 and the second connecting rod 5 are located between the corresponding pair of slide rails 9, the movement track of the third connecting rod 8 is further guided through the arranged slide rails 9, and then the movement of the bottom end of the first connecting rod 4 is guided, so that the first connecting rod 4, the second connecting rod 5 and the third connecting rod 8 move more stably.

Further, the top surface of the slide rail 9 is fixed with the outer bottom surface of the water tank 2, and the slide rail 9 is fixed more firmly.

Further, the lead screw of the lead screw motor 6 is rotatably connected with the center of the outer bottom surface of the water tank 2, so that the lead screw is limited to swing, and the threaded sleeve 7 and the second connecting rod 5 are more stable in movement.

Furthermore, four sliding grooves are formed in the inner top surface of the shell 1, the four fixing rods 3 are slidably connected with the four sliding grooves respectively, and the sliding connection between the fixing rods 3 and the side wall of the water tank 2 is achieved through the mutual matching of the arranged sliding grooves and the fixing rods 3.

Furthermore, one end of the fixing rod 3, which is located in the water tank 2, is provided with a top 10, and the four tops 10 are matched with each other to fix the container.

Further, the top 10 is kept away from one side of dead lever 3 is the cambered surface, and the container that the laboratory was used is the arc lateral wall for the most, can better fixed container through the cambered surface that sets up.

Further, a buffer pad 11 is arranged on one side of the plug 10 away from the fixing rod 3. The buffer pad 11 is an arc-shaped rubber pad, which can protect the container and is also beneficial to fixing the container more stably.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a constant temperature water-bath that laboratory was used, the water-bath includes the casing and sets up the basin on casing upper portion, the open-top of basin and communicate with the external world, its characterized in that, the equal sliding connection of basin top four side walls has the dead lever, the dead lever is rather than connecting the lateral wall of basin is mutually perpendicular, the dead lever is located the outer one end of basin is equipped with the head rod along vertical direction, head rod bottom rotary type is connected with the second connecting rod, bottom surface center department is equipped with the lead screw motor along vertical direction in the casing, threaded connection has the thread bush on the lead screw of lead screw motor, four the second connecting rod is kept away from the one end of head rod all with the thread bush rotary type is connected.

2. The thermostatic water bath for the laboratory according to claim 1, wherein the second connecting rod is rotatably connected to the first connecting rod through a third connecting rod, the third connecting rod is located between the first connecting rod and the lead screw of the lead screw motor and below the water tank, one end of the third connecting rod is fixed to the bottom surface of the first connecting rod, and the other end of the third connecting rod is rotatably connected to the second connecting rod.

3. The thermostatic water bath kettle for the laboratory according to claim 2, wherein a pair of slide rails is fixed on each of four inner walls of the housing, the slide rails are perpendicular to the inner wall of the housing connected with the slide rails, and the third connecting rod is slidably connected between the pair of slide rails.

4. A thermostatic water bath for a laboratory according to claim 3 wherein the top surface of said track is fixed to the outer bottom surface of said water tank.

5. The thermostatic water bath for the laboratory according to claim 1, wherein a screw rod of the screw rod motor is rotatably connected to a center of the outer bottom surface of the water tank.

6. The thermostatic water bath kettle for the laboratory according to claim 1, wherein four sliding grooves are formed on the inner top surface of the housing, and the four fixing rods are slidably connected with the four sliding grooves respectively.

7. The thermostatic water bath for a laboratory according to claim 1 wherein an end of the fixing rod located within the water tank is provided with a head.

8. The thermostatic water bath for the laboratory according to claim 7, wherein a side of the top away from the fixing rod is a cambered surface.

9. The thermostatic water bath for a laboratory according to claim 7 wherein a side of said plunger remote from said mounting rod is provided with a bumper pad.