Electric heating constant-temperature drying box

Abstract

The utility model provides an electric heating constant-temperature drying box, which belongs to the technical field of drying and is provided with a box body, a box door is hinged to the front of the box body, a push-out device is arranged at the rear end of the inner bottom wall of the box body, and the push-out device comprises a double-end driving motor and two bent plates in a right-angle structure. The double-head driving motor is fixedly installed in the middle of the box body, and the bending plates are symmetrically and fixedly installed on the two sides of the double-head driving motor. The front plate of the bending plate is rotationally connected with a short transmission rod which is longitudinally arranged, the short transmission rod penetrates through the bending plate, and a bevel gear B is fixedly mounted at the rear end of the short transmission rod; a threaded rod extending forwards is fixedly installed at the front end of the short transmission rod, threaded blocks are in threaded connection with the periphery of the threaded rod, and adjusting rods of which the interiors are of hollow structures are fixedly installed at the tops of the two threaded blocks; the tray pushing device solves the technical problems that an effective pushing device lacks, trays need to be pushed out through manual operation, and all the trays cannot be pulled out at the same time.

Description

Technical Field

[0001] The utility model belongs to the technical field of drying, and in particular relates to an electric heating constant temperature drying box. Background Art

[0002] Constant temperature drying oven is suitable for drying and sterilization in industrial and mining enterprises, laboratories, scientific research institutions and other departments. Constant temperature drying oven is usually made of thin steel plates. There is a working room in the electric constant temperature drying oven. There is a sample partition in the working room, and the sample can be placed on it for drying. After drying, it is inconvenient to take out the dried object due to the high temperature in the box.

[0003] The Chinese utility model patent application number: CN202021640129.6 (publication number: CN213363073U) discloses an electric constant temperature drying oven, which includes a box body, a box door is provided on the box body, a plurality of trays for holding objects to be dried are provided in the box body, and the trays can be pulled out and arranged in the box body; when the dried objects need to be taken out of the box body, the trays can be pulled out of the box body by sliding on the slide rails, and then the dried objects can be taken out from the trays;

[0004] The above patent lacks an effective ejection device, and the tray needs to be ejected manually. The trays need to be pulled out one by one, and all trays cannot be pulled out at the same time, resulting in low extraction efficiency. Utility Model Content

[0005] In view of this, the utility model provides an electric constant temperature drying oven, which is used to solve the technical problems of lack of effective pushing device, needing manual operation to push out the tray, and not being able to pull out all the trays at the same time, resulting in low pulling efficiency.

[0006] The utility model is achieved in this way:

[0007] The utility model provides an electric constant temperature drying oven, comprising a box body, a box door being arranged on the box body, wherein a push-out device is arranged at the rear end of the inner bottom wall of the box body, the push-out device comprises a double-headed driving motor and two right-angled bending plates, the double-headed driving motor is fixedly mounted in the middle of the box body, and the bending plates are symmetrically fixedly mounted on both sides of the double-headed driving motor;

[0008] A short transmission rod arranged longitudinally is rotatably connected to the front plate of the bending plate, the short transmission rod passes through the bending plate and a bevel gear B is fixedly installed at the rear end;

[0009] A screw rod extending forward is fixedly installed at the front end of the short transmission rod, a threaded block is threadedly connected to the outer periphery of the screw rod, and an adjusting rod with a hollow structure inside is fixedly installed on the top of the two threaded blocks;

[0010] The adjusting rod is provided with a plurality of through slots which are arranged vertically and equidistantly, and a plurality of trays are installed on the adjusting rod.

[0011] On the basis of the above technical solution, the electric constant temperature drying oven of the utility model can also be improved as follows:

[0012] Furthermore, the front wall of the screw rod is rotatably connected to a support plate, and the support plate is fixedly mounted on the front end of the inner bottom wall of the box body.

[0013] Furthermore, one end of a transversely arranged long transmission rod is rotatably connected to the side plate of the bending plate. The long transmission rod passes through the bending plate and a bevel gear A is fixedly installed on the end thereof.

[0014] Furthermore, the other ends of the long transmission rods are fixedly mounted on the output shafts of the double-headed driving motors, and the bevel gear A is meshedly connected with the bevel gear B.

[0015] Furthermore, connecting pieces are fixedly installed on both sides of the rear end of the tray, and two vertically arranged fixing ears are fixedly installed on the side wall of the connecting piece close to the adjusting rod.

[0016] Furthermore, the fixing ear is in the shape of the letter "L" and its height is lower than the height of the through slot. The fixing ear is inserted into the through slot to mount the tray on the adjusting rod.

[0017] Compared with the prior art, the beneficial effects of the electric heating constant temperature drying oven provided by the utility model are:

[0018] By setting the connection between the fixing ears and the through slots, the height adjustment of the tray on the adjustment rod is more convenient without the need for bolt tightening;

[0019] By setting up multiple trays, it can be divided into multiple areas, and its height can be adjusted by plugging the trays together, and the distance between two adjacent trays can be adjusted according to the size of the placed objects;

[0020] By arranging that the trays are all installed on the adjusting rod, the adjusting rod can be driven by the double-head drive motor to follow the movement of the threaded block to push the tray out of the box as a whole. There is no need to manually pull out the tray, which avoids injuries caused by high temperature when taking items in the box. There is no need to pull out the trays one by one, which improves the efficiency of taking out items. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a top view of the overall structure of an electric constant temperature drying oven;

[0023] Figure 2 It is a side view of the overall structure of an electric constant temperature drying oven;

[0024] Figure 3 This is an axonometric drawing of a push-out device of an electric constant temperature drying oven;

[0025] Figure 4 It is an axonometric drawing of a tray and connected parts of an electric constant temperature drying oven;

[0026] Figure 5 This is an axonometric drawing of a tray connector of an electric constant temperature drying oven;

[0027] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0028] 2. Double-head drive motor; 20. Bending plate; 21. Long transmission rod; 22. Short transmission rod; 23. Bevel gear A; 24. Bevel gear B; 3. Screw; 31. Threaded block; 32. Support plate; 33. Connecting rod; 4. Adjusting rod; 41. Through slot; 42. Tray; 43. Connecting piece; 44. Fixing ear; 45. Mounting plate; 46. Threaded hole. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0031] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0032] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0033] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined. Example 1

[0034] like Figure 1-5 As shown, the utility model provides an electric constant temperature drying oven, including a box body, a box door is arranged on the box body, wherein a push-out device is arranged at the rear end of the bottom wall of the box body, and the push-out device comprises a double-headed driving motor 2 and two right-angled bending plates 20, the double-headed driving motor 2 is fixedly mounted in the middle of the box body, and the bending plates 20 are symmetrically fixedly mounted on both sides of the double-headed driving motor 2;

[0035] A short transmission rod 22 arranged longitudinally is rotatably connected to the front plate of the bending plate 20. The short transmission rod 22 passes through the bending plate 20 and a bevel gear B24 is fixedly installed at the rear end.

[0036] A screw rod 3 extending forward is fixedly mounted on the front end of the short transmission rod 22, a threaded block 31 is threadedly connected to the outer periphery of the screw rod 3, and an adjustment rod 4 with a hollow structure inside is fixedly mounted on the top of the two threaded blocks 31;

[0037] The adjusting rod 4 is provided with a plurality of through slots 41 which are equidistantly arranged vertically, and a plurality of trays 42 are mounted on the adjusting rod 4 .

[0038] Optionally, in the above technical solution, the front wall of the screw rod 3 is rotatably connected to the support plate 32, and the support plate 32 is fixedly mounted on the front end of the inner bottom wall of the box body.

[0039] Optionally, in the above technical solution, one end of a transversely arranged long transmission rod 21 is rotatably connected to the side plate of the bending plate 20, and the long transmission rod 21 passes through the bending plate 20 and a bevel gear A23 is fixedly installed at the end thereof.

[0040] Optionally, in the above technical solution, the other end of the long transmission rod 21 is fixedly mounted on the output shaft of the double-headed driving motor 2, and the bevel gear A23 is meshedly connected with the bevel gear B24.

[0041] Optionally, in the above technical solution, connecting members 43 are fixedly installed on both sides of the rear end of the tray 42 , and two vertically arranged fixing ears 44 are fixedly installed on the side wall of the connecting member 43 close to the adjusting rod 4 .

[0042] Optionally, in the above technical solution, the fixing ear 44 is in the shape of the letter “L” and its height is lower than that of the through slot 41 , and the fixing ear 44 is inserted into the through slot 41 to mount the tray 42 on the adjusting rod 4 .

[0043] Furthermore, the connecting member 43 also includes a mounting plate 45, which has a plurality of threaded holes 46, and the rear end of the tray 42 is placed on the top wall of the mounting plate 45; the tray 42 is fastened to the mounting plate 45 of the connecting member 43 by inserting bolts into the threaded holes 46.

[0044] The distance between the top walls of the two fixing ears 44 is equal to the distance between the top walls of the two through slots 41 , so that the fixing ears 44 and the through slots 41 can be better matched when plugged in.

[0045] The two threaded blocks 31 are fixedly connected via a connecting rod 33 so that the threaded blocks 31 move synchronously.

[0046] The double-headed driving motor 2 has two output shafts, which are respectively located at the left and right ends, so as to make the two screws 3 rotate synchronously.

[0047] The distance between the two adjusting rods 4 is greater than the transverse length of the tray 42 , and the inner longitudinal length of the box body is greater than the longitudinal length of the tray 42 .

[0048] Working principle:

[0049] According to the height of the articles, the distance between the trays 42 is adjusted, and the articles are placed on the trays 42, and are plugged into the through slots 41 through the fixing ears 44 on the connecting pieces 43 (the horizontal bar of the connecting piece 43 abuts against the bottom wall of the through slots 41, and the vertical bar of the connecting piece 43 is located in the hollow structure of the adjusting rod 4). At this time, the box door is closed, and the threaded block 31 is located at the rear end of the box body for drying.

[0050] After drying, the box door is opened, and the double-headed driving motor 2 is started to drive the long transmission rods 21 on both sides to rotate synchronously. The long transmission rod 21 drives the bevel gear A23 to rotate in place, and the bevel gear A23 drives the meshing bevel gear B24 to rotate in place. The bevel gear B24 drives the two screws 3 to rotate synchronously through the short transmission rod 22. The in-place rotation of the screw 3 causes the thread block 31 to move forward on the screw 3 through the threaded connection with the screw 3.

[0051] Thereby, the two adjusting rods 4 are driven forward until the threaded block 31 moves to the front end, at which time the double-headed driving motor 2 is turned off to stop the ejection device from working, and the tray 42 on the adjusting rod 4 is extended out of the box body, so that the items in the tray 42 can be taken out.

[0052] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An electric constant temperature drying oven, comprising a box body, a box door is arranged on the box body, characterized in that: A push-out device is provided at the rear end of the bottom wall of the box body, the push-out device comprising a double-headed drive motor (2) and two right-angled bent plates (20), the double-headed drive motor (2) being fixedly mounted in the middle of the box body, and the bent plates (20) being symmetrically fixedly mounted on both sides of the double-headed drive motor (2); A short transmission rod (22) arranged longitudinally is rotatably connected to the front plate of the bending plate (20), the short transmission rod (22) passes through the bending plate (20) and a bevel gear B (24) is fixedly installed at the rear end; A screw rod (3) extending forward is fixedly mounted on the front end of the short transmission rod (22); a threaded block (31) is threadedly connected to the outer periphery of the screw rod (3); and an adjustment rod (4) having a hollow structure inside is fixedly mounted on the top of the two threaded blocks (31); The adjusting rod (4) is provided with a plurality of through slots (41) which are arranged vertically and equidistantly therefrom, and a plurality of trays (42) are mounted on the adjusting rod (4).

2. The electric constant temperature drying oven according to claim 1, characterized in that: The front wall of the screw rod (3) is rotatably connected to a support plate (32), and the support plate (32) is fixedly mounted on the front end of the inner bottom wall of the box body.

3. The electric constant temperature drying oven according to claim 1, characterized in that: One end of a transversely arranged long transmission rod (21) is rotatably connected to the side plate of the bending plate (20); the long transmission rod (21) passes through the bending plate (20) and a bevel gear A (23) is fixedly mounted on the end thereof.

4. The electric constant temperature drying oven according to claim 3, characterized in that: The other end of the long transmission rod (21) is fixedly mounted on the output shaft of the double-headed driving motor (2), and the bevel gear A (23) is meshingly connected with the bevel gear B (24).

5. The electric constant temperature drying oven according to claim 1, characterized in that: Connecting pieces (43) are fixedly mounted on both sides of the rear end of the tray (42), and two vertically arranged fixing ears (44) are fixedly mounted on the side wall of the connecting piece (43) close to the adjusting rod (4).

6. The electric constant temperature drying oven according to claim 5, characterized in that: The fixing ear (44) is in the shape of the letter "L" and its height is lower than the height of the through slot (41). The fixing ear (44) is inserted into the through slot (41) to mount the tray (42) on the adjusting rod (4).

Images