CN213493799U - Constant temperature water bath kettle - Google Patents

Abstract

The utility model relates to a constant temperature water bath, including the water bath, the basin that is used for adorning water is offered at water bath roof portion, still includes the test-tube rack, the test-tube rack includes roof and four bracing pieces, the one end of four bracing pieces is fixed respectively on the four corners of roof bottom, the other end of four bracing pieces is connected with the basin respectively, the equal vertical setting of four bracing pieces is on the basin, set up a plurality of through-holes that are used for placing the test tube on the roof for the test tube can be inserted and support fixedly in the through-hole when putting in the basin internal heating, increases the stability that the test tube was placed, makes the difficult condition that appears empting of test tube.

Description

Constant temperature water bath kettle

Technical Field

The application relates to the field of water baths, in particular to a constant-temperature water bath.

Background

The constant temperature water bath is a necessary tool for scientific research in the fields of biology, environmental protection, medicine, health, chemical laboratories and fine chemical analysis, and is widely applied to concentration, distillation and chemical reagent heating.

Chinese patent No. CN201795588U discloses an electric heating constant temperature water bath, which comprises a water bath box and a control box, wherein the control box is positioned at the right side of the box body; the water bath box comprises a box body, an inner container, a heating pipe, a top cover and a top ring cover, wherein the inner container is positioned inside the box body, the heating pipe is installed at the bottom of the inner container, and the top cover and the top ring cover are positioned at the upper part of the box body; the control box comprises a temperature controller, a power switch and an indicator light. The utility model has the advantages of reasonable design, sealing performance is good, adopts the digital temperature controller of high accuracy simultaneously, and intelligent control is more accurate reliable.

When detecting the chemical reagent to be detected, the chemical reagent needs to be placed in the test tube or the beaker, and then the test tube or the beaker filled with the chemical reagent to be detected is placed in the water tank at the top of the water bath box for heating.

The beaker can be steady place and heat in the basin, but when directly placing the test tube in the basin and heat, because test tube bottom unevenness, lead to the test tube to be difficult to place on the basin, the condition of empting appears easily in the test tube.

SUMMERY OF THE UTILITY MODEL

In order to improve the unstable problem is placed to the test tube, this application provides a constant temperature water-bath.

The application provides a constant temperature water bath adopts following technical scheme:

the utility model provides a constant temperature water bath, includes the water bath, the basin that is used for adorning water is offered at water bath roof portion, still includes the test-tube rack, the test-tube rack includes roof and four bracing pieces, and the roof supports on the basin through four bracing pieces, and the equal vertical setting of four bracing pieces is on the basin, set up a plurality of through-holes that are used for placing the test tube on the roof.

Through adopting above-mentioned technical scheme, connect the test-tube rack during the experiment and use on the basin, roof in the test-tube rack covers at the basin opening part for the test tube can be inserted and support fixedly in the through-hole on the test-tube rack when putting the heating in the basin, makes the inclination control of test tube at certain within range, increases the stability that the test tube was placed, makes the difficult condition that appears empting of test tube.

Preferably, the test-tube rack still includes the bottom plate, the bottom plate is connected on the basin bottom surface, and four bracing pieces are connected respectively on the four corners of bottom plate, be provided with a plurality of shrinkage pools with the through-hole one-to-one on the bottom plate, the shrinkage pool is under corresponding through-hole.

Through adopting above-mentioned technical scheme, when inserting the test tube and supporting in the through-hole fixedly, the bottom of test tube can be absorbed in the concave hole, further increases the stability that the test tube was placed.

Preferably, a convex block is arranged at the bottom of the bottom plate, a second groove matched with the convex block is formed in the bottom of the water tank, and the bottom plate is connected to the water tank through the matching of the convex block and the first groove.

Through adopting above-mentioned technical scheme, the test-tube rack is pegged graft with the bottom plate, can take out the test-tube rack earlier during the experiment, places the test tube that contains the chemical reagent that awaits measuring in the through-hole after, again with support frame installation return water inslot, when the experiment ended, can mention the support frame in order to take out a plurality of test tubes simultaneously, convenient and fast has avoided scalding the hand with hand direct contact test tube surface, has more the security.

Preferably, a first groove is formed in the side wall of the through hole, a spring is arranged on the end wall, away from the through hole, of the first groove, one end of the spring is connected with the end wall of the first groove, the other end of the spring is connected with a baffle, and one end, away from the first groove, of the baffle is located in the through hole.

Through adopting above-mentioned technical scheme, the through-hole can be used for fixing the test tube of different diameters size, and operating personnel need earlier with the hand remove the baffle towards first recess one side to baffle and through-hole lateral wall laminating, places the test tube in the through-hole again, then unclamp the hand to the baffle application of force, and the baffle can support the test tube lateral wall under the elastic force effect of spring, fixes the test tube in the through-hole.

Preferably, a first arc-shaped surface is arranged on the end face, deviating from the spring, of the baffle, and an elastic layer is arranged on the first arc-shaped surface of the baffle.

Through adopting above-mentioned technical scheme, baffle and test tube lateral wall can the butt more firm, and when baffle and test tube contact simultaneously, the elastic layer on the baffle has cushioned the effort of baffle to the test tube, has played the guard action to the test tube.

Preferably, the test tube rack further comprises a rotating shaft, and the rotating shaft is rotatably connected to the bottom plate and the top plate;

the through-hole centers on pivot evenly distributed, the notch of first recess deviates from the pivot setting, the baffle is connected with the stay cord towards first recess one side lateral wall, be equipped with a plurality of first passageways that correspond with the through-hole on the roof, the one end of first passageway and the one end lateral wall intercommunication that corresponds the through-hole are kept away from to first recess, the other end of first passageway extends to the roof bottom surface, the stay cord is kept away from the one end of baffle and is passed spring and first passageway in proper order after and be connected with the pivot.

Through adopting above-mentioned technical scheme, when operating personnel rotated the pivot, the pivot can drive the stay cord of connection in the pivot and move, and the stay cord can drive the elasticity that the baffle overcome the spring so that the baffle removes to being close to first recess one side, and a plurality of through-holes all no longer blockked by the baffle this moment, and the test tube can disect insertion in the through-hole, more makes things convenient for placing of test tube in the test-tube rack, has also reduced operating personnel's work load.

Preferably, the rotary shaft further comprises a locking member mounted on the top plate, the locking member being used to limit the rotation of the rotary shaft.

Through adopting above-mentioned technical scheme, when operating personnel rotated the pivot and made the baffle no longer block the through-hole, used the locking piece with the rigidity of pivot, the baffle keeps the state that does not block the through-hole always this moment, and operating personnel can vacate both hands and be used for placing the test tube this moment.

Preferably, the top plate is provided with a bolt, the rotating shaft is provided with a jack, and when the baffle moves towards one side of the first groove to be attached to the side wall of the through hole, the bolt is located in the jack.

Through adopting above-mentioned technical scheme, when the pivot rotated to making the baffle no longer block the through-hole, during operating personnel inserted the jack in the pivot with the bolt on the roof, realization that can convenient and fast was fixed roof and bolt.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the through holes in the test tube rack, the test tubes can be inserted into the through holes for supporting and fixing when being placed in the water tank for heating, so that the placing stability of the test tubes is improved, and the test tubes are not easy to topple over;

2. by arranging the baffle and the spring, the baffle can abut against the side wall of the test tube under the elastic force action of the spring to fix the test tube in the through hole, so that the test tube can be fixed more stably;

3. through setting up stay cord and pivot, the pulling stay cord makes the baffle remove to no longer stopping the through-hole, and the test tube can disect insertion in the through-hole, makes things convenient for operating personnel to place the test tube in the test-tube rack, has reduced operating personnel's work load.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is an exploded view of the water bath box, the control box and the test tube rack according to the embodiment of the present application.

Fig. 3 is a schematic structural diagram of a test tube rack according to an embodiment of the present application.

Fig. 4 is a sectional view of a test tube rack according to an embodiment of the present application.

Fig. 5 is a schematic view of a rotating shaft structure according to an embodiment of the present application.

Fig. 6 is a schematic structural view of the rack bolt lock state of the test tube rack according to the embodiment of the present application.

Fig. 7 is a schematic structural view of the test tube rack according to the embodiment of the present application in a test tube placement state.

Description of reference numerals: 1. a water bath tank; 11. a water tank; 12. a drain tap; 13. a support; 14. a second groove; 2. a control box; 21. a display screen; 22. a switch; 3; a test tube rack; 31. a base plate; 311. concave holes; 312. a bump; 32. a top plate; 321. a through hole; 3211. a first groove; 33. a support bar; 34. a rotating shaft; 341. a turntable; 342. a concave ring; 4. a baffle plate; 41. a hollow column; 42. a spring; 43. a first channel; 5. pulling a rope; 6. a bolt; 61. and (4) inserting the jack.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a constant-temperature water bath kettle.

Referring to fig. 1, the constant temperature water bath of this embodiment includes water bath 1 and control box 2, install the heating pipe in the box of water bath 1 bottom, control box 2 is used for controlling the heating pipe and produces the heat, control box 2 is installed on the lateral wall of water bath 1, install four supports 13 on the plane that the bottom surface of water bath 1 and the bottom surface of control box 2 constitute jointly, four supports 13 are located planar four corners, be provided with display screen 21 and switch 22 on the control box 2, basin 11 that is used for the water storage is seted up at the top of water bath 1, tap 12 is installed to the lateral wall bottom of water bath 1, the vertical downward setting of one end of tap 12, the other end and the basin 11 intercommunication of tap 12, basin 11 bottom is connected with test-tube rack 3.

The operating personnel pours into water into basin 11 into, opens the switch 22 of control box 2, when waiting for the water in the water bath 1 to rise to the experiment assigned temperature, puts into test tube rack 3 with the test tube, waits for after the experiment is accomplished, closes the switch 22 of control box 2, makes water bath 1 stop heating, then takes out the test tube, opens drainage tap 12 again, exhausts the water in the basin 11.

Referring to fig. 2 and 3, the test tube rack 3 includes a bottom plate 31, the bottom plate 31 is in a square shape, a convex block 312 is disposed at the center of the bottom plate 31, a second groove 14 matched with the convex block 312 is disposed at the center of the bottom of the water tank 11, four support rods 33 are vertically disposed on the bottom plate 31, the four support rods 33 are respectively located at four corners of the bottom plate 31, a top plate 32 corresponding to the bottom plate 31 is mounted at the tops of the four support rods 33, and the top plate 32 is parallel to the bottom. The center of bottom plate 31 and roof 32 rotates and is connected with pivot 34, and the one end of pivot 34 rotates with bottom plate 31 to be connected, and roof 32 is stretched out to the other end of pivot 34, and pivot 34 is vertical to be set up on bottom plate 31, and convenient pivoted carousel 341 is installed at the top of pivot 34.

Referring to fig. 3 and 4, a plurality of through holes 321 for inserting test tubes are formed in the top plate 32, the through holes 321 are uniformly distributed on the top plate 32 around the rotating shaft 34, a plurality of concave holes 311 corresponding to the through holes 321 one by one are formed in the bottom plate 31, and the concave holes 311 are located right below the through holes 321. First recess 3211 has been seted up on the lateral wall of through-hole 321 orientation pivot 34 one side, first recess 3211 is cylindricly, sliding connection has hollow post 41 on first recess 3211, the one end that pivot 34 was kept away from to hollow post 41 is fixed with baffle 4, first arcwall face has been seted up to baffle 4 the one end terminal surface that deviates from pivot 34, still be provided with the elastic layer on the first arcwall face, the elastic layer can be rubber or sponge, baffle 4 towards the one end terminal surface of pivot 34 seted up with the second arcwall face of through-hole 321 inboard wall looks adaptation, the cross section of baffle 4 is greater than the cross section of second recess 14. The end wall of the first groove 3211 facing the rotating shaft 34 is connected with a spring 42, one end of the spring 42 is connected with the end of the first groove 3211, and the other end of the spring 42 passes through the hollow column 41 and is connected with one end face of the baffle 4 facing the rotating shaft 34.

Referring to fig. 5, the rotating shaft 34 is provided with a plurality of concave rings 342 corresponding to the through holes 321 one by one, the plurality of concave rings are distributed along the axial direction of the rotating shaft 34, and the concave rings 342 are all arranged on the end portion of the rotating shaft 34 below the top plate 32.

Referring to fig. 4 and 5, a plurality of first channels 43 corresponding to the through holes 321 are formed in the top plate 32, one end of each first channel 43 is communicated with the end wall of the first groove 3211 facing the rotating shaft 34, the other end of each first channel 43 extends to the bottom surface of the first top plate 32 close to the rotating shaft 34, and the first channels 43 are uniformly distributed around the rotating shaft 34. The center of one side end face of the baffle plate 4 facing the rotating shaft 34 is connected with pull ropes 5 which are in one-to-one correspondence with the concave rings 342, one ends of the pull ropes 5 far away from the baffle plate 4 penetrate through the spring 42 and the first channel 43 and are connected with the rotating shaft 34, and the pull ropes 5 are respectively fixed on the corresponding concave rings 342.

Referring to fig. 6 and 7, a plug 6 is mounted on the top of the top plate 32 near the rotating shaft 34, the plug 6 is disposed toward the rotating shaft 34, a receptacle 61 matching with the plug 6 is disposed on the sidewall of the rotating shaft 34, and when the baffle 4 moves toward the sidewall of the rotating shaft 34 to be attached to the inner sidewall of the through hole 321, the plug 6 is located in the receptacle 61.

When an operator puts a test tube into the test tube rack 3, the test tube rack 3 is firstly placed in the water tank 11, at the moment, the operator rotates the rotating disc 341 with one hand, the rotating shaft 34 is connected with the rotating disc 341 and pulls the pull rope 5, so that the baffle plate 4 overcomes the elastic force of the spring 42 to move towards one side of the rotating shaft 34, the sliding direction of the baffle plate 4 is along the sliding direction of the hollow rod in the first groove 3211, when the end wall of the baffle 4 facing the rotating shaft 34 is engaged with the inner side wall of the through hole 321, the other hand of the operator inserts the pin 6 into the insertion hole 61 to fix the rotating shaft 34 and the top plate 32, and then the operator inserts the test tube to be tested into the through hole 321, at the moment, the bottom of the test tube is positioned in the concave hole 311 corresponding to the through hole 321 where the test tube is positioned, the bolt 6 is pulled out from the jack 61, the baffle 4 can extrude the test tube in the through hole 321 due to the elastic action of the spring 42, and the test tube is fixed on the test tube rack 3 at the moment; when the test tube needs to be taken out, the operator rotates the rotating disc 341 to make the baffle 4 fit with the inner side wall of the through hole 321 towards the end wall of one side of the rotating shaft 34, and then inserts the bolt 6, at this moment, the baffle 4 cannot block in the through hole 321, and the test tube can be taken out easily.

The implementation principle of a constant temperature water bath of this application embodiment does: utilize the in-process that the constant temperature water bath was tested, when operating personnel waited for the water in water bath 1 to rise to the appointed temperature of experiment, put into the test tube and fix in test-tube rack 3, wait for the experiment to accomplish the back, operating personnel can be with 3 whole draws out of test-tube rack, take out 3 in-process hands of test-tube rack and be difficult to touch hot steam or the higher test tube of temperature, can not scalded, have more the security, then take out the test tube again to arrange the water in water bath 1 to the greatest extent.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a constant temperature water bath, includes water bath (1), basin (11) that are used for adorning water are offered at water bath (1) top, its characterized in that: still include test-tube rack (3), test-tube rack (3) are including roof (32) and four bracing pieces (33), roof (32) support on basin (11) through four bracing pieces (33), and four equal vertical settings of bracing piece (33) are on basin (11), set up a plurality of through-holes (321) that are used for placing the test tube on roof (32).

2. The thermostat water bath of claim 1, characterized in that: the test tube rack (3) further comprises a bottom plate (31), the bottom plate (31) is connected to the bottom surface of the water tank (11), four supporting rods (33) are connected to four corners of the bottom plate (31) respectively, a plurality of concave holes (311) corresponding to the through holes (321) one to one are formed in the bottom plate (31), and the concave holes (311) are located under the corresponding through holes (321).

3. The thermostatic water bath according to claim 2, wherein: the bottom of the bottom plate (31) is provided with a convex block (312), the bottom of the water tank (11) is provided with a second groove (14) matched with the convex block (312), and the bottom plate (31) is connected to the water tank (11) through the matching of the convex block (312) and the first groove (3211).

4. The thermostat water bath of claim 1, characterized in that: the side wall of the through hole (321) is provided with a first groove (3211), the end wall of the first groove (3211) far away from the through hole (321) is provided with a spring (42), one end of the spring (42) is connected with the end wall of the first groove (3211), the other end of the spring (42) is connected with a baffle (4), and one end of the baffle (4) far away from the first groove (3211) is arranged in the through hole (321).

5. The thermostatic water bath according to claim 4, wherein: a first arc-shaped surface is formed in the end face, away from the spring (42), of one end of the baffle plate (4), and an elastic layer is arranged on the first arc-shaped surface of the baffle plate (4).

6. The thermostatic water bath according to claim 5, wherein: the test tube rack (3) further comprises a rotating shaft (34), and the rotating shaft (34) is rotatably connected to the bottom plate (31) and the top plate (32);

through-hole (321) are around pivot (34) evenly distributed, the notch of first recess (3211) deviates from pivot (34) and sets up, baffle (4) are connected with stay cord (5) towards first recess (3211) one side lateral wall, be equipped with a plurality of first passageways (43) that correspond with through-hole (321) on roof (32), the one end and the first recess (3211) of first passageway (43) are kept away from the one end lateral wall intercommunication that corresponds through-hole (321), the other end of first passageway (43) extends to roof (32) bottom surface, the one end that baffle (4) were kept away from in stay cord (5) passes behind spring (42) and first passageway (43) in proper order and is connected with pivot (34).

7. The thermostatic water bath according to claim 6, wherein: also included is a locking member mounted on the top plate (32) for limiting rotation of the shaft (34).

8. The thermostatic water bath according to claim 7, wherein: be equipped with bolt (6) on roof (32), be equipped with jack (61) on pivot (34), when baffle (4) removed to laminating with through-hole (321) lateral wall towards first recess (3211) one side, bolt (6) are arranged in jack (61).

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