Placing frame for electric heating constant-temperature drying box

Abstract

The placing frame comprises a top plate and a bottom plate, the top plate is located at the top of the bottom plate, a limiting assembly is installed in the top plate and comprises four limiting grooves formed in the outer wall of the top of the top plate, and the four limiting grooves are distributed at equal intervals; the device comprises a top plate, four limiting grooves are formed in the top plate, moving blocks are slidably connected to the interiors of the four limiting grooves, mounting grooves are formed in the periphery of the outer wall of the top of the top plate, baffles are rotatably connected to the interiors of the four mounting grooves, the four baffles are attached to the inner walls of the mounting grooves correspondingly, and push plates are fixedly connected to the outer walls of the bottoms of the four moving blocks correspondingly. According to the device, the limiting assemblies are arranged and can operate along with the placement of the drying box, namely, obstacles can be formed on the periphery of the top plate, so that the drying box is effectively prevented from being separated from the top plate, and the safety of the device is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of placing rack, specifically is a kind of placing rack for electric heating constant temperature drying oven. BACKGROUND

[0002] Drying oven is divided into electric heating drying oven and vacuum drying oven according to different drying substances, and is widely used in chemical industry, electronic communication, plastic, cable, electroplating, hardware, automobile, photoelectricity, rubber product, mould, spraying, printing, medical treatment, spaceflight and higher learning institutions etc.

[0003] Through search, the utility model of patent announcement number CN213363073U discloses a kind of electric heating constant temperature drying oven, relate to the technical field of drying, improve the problem that the person who is easily scalded when taking out object due to the high temperature of hot gas in drying oven after drying is finished, wherein, a kind of electric heating constant temperature drying oven, it includes box, the box is provided with door, the box is provided with multiple trays for containing drying goods in, and the tray can be pulled in box.

[0004] As above drying oven, for the convenience of use, it is often used with placing rack, however, the existing placing rack is generally flat desktop, if drying oven is subjected to greater external force, it is likely to be separated from placing rack, and there is room for improvement. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of placing rack for electric heating constant temperature drying oven, to solve the problem raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of placing rack for electric heating constant temperature drying oven, including top plate and bottom plate, the top plate is in the position of the top of bottom plate, the limit component is installed in the inside of top plate, the limit component includes four limit slots, four limit slots are equidistantly distributed, four limit slots are all slidably connected with one moving block in the inside, the installation groove is set up in the outer wall of the top of top plate, four installation grooves are all rotatably connected with one baffle in the inside, four baffles are respectively attached to the inner wall of multiple installation grooves, four push plates are all fixedly connected with the outer wall of the bottom of four moving blocks, four push plates are respectively in contact with four baffles.

[0007] As further preferred of the technical scheme, four moving blocks are rotatably connected with one push rod at one end close to each other, and four push rods are rotatably connected with the same connecting plate at the top end.

[0008] As a further preferred of the technical solution, the outer wall of the bottom of the top plate is slidingly inserted with a sliding frame, the sliding frame is fixedly connected with the connecting plate, a spring is sleeved outside each of the plurality of sliding rods of the sliding frame, and the two ends of the plurality of springs are fixedly connected with the top plate and the sliding frame respectively.

[0009] The assembly can operate with the placement of the drying box, that is, an obstacle can be formed around the top plate, thereby effectively avoiding the drying box from separating from the top plate, and further improving the safety of the device. The drying box first presses the connecting plate, the tension of the spring will be overcome by the pressure of the drying box, and the connecting plate will also move downward with the downward movement of the drying box. The connecting plate drives the one end of the plurality of push rods at the top to move downward, and the other end of the push rod is fixed in height, so that the push rod can push the plurality of moving blocks away from each other. The push plate at the bottom of the moving block is also driven to move synchronously, the push plate drives one end of the baffle at the bottom, and the baffle is turned upward to extend out of the mounting slot. At this time, as long as the drying box does not move upward again, the position of the baffle will not be turned again, so that the drying box can be protected in real time. When the limiting assembly is not under stress, the baffle will remain in a horizontal state and will not hinder the placement of the drying box.

[0010] As a further preferred of the technical solution, the top of the bottom plate is provided with a lifting assembly, the lifting assembly comprises a plurality of sliding grooves formed in the outer wall of the top of the bottom plate, a screw rod is rotatably connected inside each of the plurality of sliding grooves, an installation block is threadedly sleeved outside each of the plurality of screw rods, the plurality of installation blocks are respectively attached to the inner walls of the plurality of sliding grooves, a support rod is rotatably connected to the top of each of the plurality of installation blocks, and the plurality of support rods are rotatably connected to the bottom of the top plate.

[0011] As a further preferred of the technical solution, a groove is formed in the middle of the outer wall of the top of the top plate, a plurality of gear wheels one are rotatably connected inside the groove, the plurality of gear wheels one are fixed coaxially with the plurality of screw rods, a gear wheel two is rotatably connected to the inner wall of the bottom of the groove, the plurality of gear wheels one are engaged with the gear wheel two, a motor is fixedly installed on the outer wall of the top of the bottom plate, and the rotating shaft of the motor is fixed coaxially with the gear wheel two.

[0012] The position of the top plate can be adjusted as needed to ensure that the user's use is more convenient. The motor at the top of the bottom plate is started, the motor drives the gear wheel two to rotate, the gear wheel two drives the plurality of gear wheels one to rotate simultaneously through engagement, and the plurality of screw rods are also driven by the plurality of gear wheels one to rotate synchronously. The installation block limited by the sliding groove is driven by the screw rod to move towards each other, the bottom end of the plurality of support rods is driven by the installation block to move synchronously, and the vertical height thereof changes accordingly with the change of the inclination, and the position of the top plate also changes.

[0013] As a further preferred of the technical solution, the total length of the push rod and the moving block is less than the length of the limiting slot.

[0014] As a further preferred of the technical solution, the thread angle of the plurality of lead screws is less than the equivalent friction angle.

[0015] The utility model provides a kind of placing rack for electric heating constant temperature drying cabinet, with following beneficial effects:

[0016] (1) the utility model discloses a limiting assembly is set, and the assembly can be placed with the operation of drying cabinet, i.e. it can form obstruction around top plate, to effectively avoid that drying cabinet is separated from top plate, further improve the security of device, drying cabinet first compresses connecting plate, and the tension of spring will be overcome by the pressure of drying cabinet, and connecting plate will also be moved down with the movement of drying cabinet, and connecting plate drives the top end of a plurality of push rods to move down, and the other end of push rod is fixed in height, so that push rod can push a plurality of moving blocks away from each other, and the push plate at the bottom of moving block is also driven to move synchronously, and the push plate drives the bottom end of baffle, and the baffle will be turned up and extended into mounting groove, at this time, as long as drying cabinet is not moved up again, the position of baffle will not be turned again, i.e. drying cabinet can be protected in real time, and the limiting assembly is in the state of not being stressed, and the baffle will maintain horizontal state, and will not hinder the placement of drying cabinet.

[0017] (2) the utility model discloses a lifting assembly is set, and the position of top plate is adjusted according to need, to ensure that the use of user is more convenient, and the motor at the top of base plate is started, and the motor drives gear two to rotate, and gear two can drive a plurality of gear one to rotate simultaneously by engaging, and then a plurality of lead screws are also driven to rotate synchronously by a plurality of gear one, and the mounting block limited by sliding slot is driven to move towards by lead screw, and the bottom end of a plurality of supporting rods is driven to move synchronously by mounting block, and with the change of its inclination, its vertical height will also change accordingly, and then the position of top plate will also change. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole first visual angle structural schematic drawing of the utility model;

[0019] Figure 2 It is the whole second visual angle structural schematic drawing of the utility model;

[0020] Figure 3 It is the whole second visual angle structural schematic drawing of the utility model; Figure 1 It is the enlarged structure schematic drawing of A in the utility model;

[0021] Figure 4 It is the enlarged structure schematic drawing of B in the utility model; Figure 2 It is the enlarged structure schematic drawing of B in the utility model;

[0022] In the figure: 1, top plate; 2, bottom plate; 3, limiting assembly; 4, lifting assembly; 301, limiting groove; 302, moving block; 303, mounting groove; 304, baffle; 305, push plate; 306, push rod; 307, connecting plate; 308, sliding frame; 309, spring; 401, sliding groove; 402, screw rod; 403, mounting block; 404, support rod; 405, gear one; 406, gear two; 407, motor. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0024] The utility model provides technical schemes: Figure 2 And Figure 4 As shown in the figure, in the embodiment, a placing rack for an electric heating constant-temperature drying box comprises a top plate 1 and a bottom plate 2, the top plate 1 is located at the top of the bottom plate 2, a limiting assembly 3 is mounted inside the top plate 1, the limiting assembly 3 comprises four limiting grooves 301 formed in the outer wall of the top of the top plate 1, the four limiting grooves 301 are arranged at equal distances, one moving block 302 is slidably connected inside each of the four limiting grooves 301, a mounting groove 303 is formed around the outer wall of the top of the top plate 1, one baffle 304 is rotatably connected inside each of the four mounting grooves 303, the four baffles 304 are respectively attached to the inner walls of the four mounting grooves 303, one push plate 305 is fixedly connected to the outer wall of the bottom of each of the four moving blocks 302, and the four push plates 305 are respectively in contact with the four baffles 304.

[0025] One push rod 306 is rotatably connected to one end of each of the four moving blocks 302, and the same connecting plate 307 is rotatably connected to the top end of each of the four push rods 306.

[0026] The sliding frame 308 is slidably inserted into the outer wall of the bottom of the top plate 1, the sliding frame 308 is fixedly connected to the connecting plate 307, one spring 309 is sleeved around each of the sliding rods of the sliding frame 308, and the two ends of each of the springs 309 are fixedly connected to the top plate 1 and the sliding frame 308 respectively.

[0027] The spring 309 will be overcome by the pressure of the drying box, and the connecting plate 307 will move downward with the drying box. The connecting plate 307 drives the top end of the plurality of push rods 306 to move downward, and the other end of the push rod 306 is fixed in height, so that the plurality of moving blocks 302 are pushed away from each other, and the push plate 305 at the bottom of the moving block 302 is also driven to move synchronously. The push plate 305 drives the bottom end of the baffle 304, and the baffle 304 is turned upward to extend out of the mounting groove 303. At this time, as long as the drying box does not move upward again, the position of the baffle 304 will not be turned again, so that the drying box can be protected in real time. When the limiting assembly 3 is not under stress, the baffle 304 will remain in a horizontal state and will not hinder the placement of the drying box.

[0028] As shown in Figure 1 and Figure 3 , the bottom plate 2 is provided with a lifting assembly 4 on the top, and the lifting assembly 4 comprises a plurality of sliding grooves 401 formed in the outer wall of the top of the bottom plate 2. A lead screw 402 is rotatably connected inside each sliding groove 401. An installation block 403 is threadedly connected outside each lead screw 402. The installation blocks 403 are respectively attached to the inner walls of the sliding grooves 401. A support rod 404 is rotatably connected to the top of each installation block 403. The support rods 404 are rotatably connected to the bottom of the top plate 1.

[0029] A recess is formed in the middle of the outer wall of the top of the top plate 1. A plurality of gear wheels one 405 are rotatably connected inside the recess. The gear wheels one 405 are respectively coaxially fixed with the lead screws 402. A gear wheel two 406 is rotatably connected to the inner wall of the bottom of the recess. The gear wheels one 405 are engaged with the gear wheel two 406. A motor 407 is fixedly installed on the top of the bottom plate 2. The rotating shaft of the motor 407 is coaxially fixed with the gear wheel two 406.

[0030] According to the need, the position of the top plate 1 is adjusted to ensure that the user's use is more convenient. The motor 407 on the top of the bottom plate 2 is started, and the motor 407 drives the gear wheel two 406 to rotate. The gear wheel two 406 can drive the plurality of gear wheels one 405 to rotate simultaneously through engagement. In turn, the plurality of lead screws 402 are also driven by the plurality of gear wheels one 405 to rotate synchronously. The installation blocks 403 limited by the sliding grooves 401 are driven by the lead screws 402 to move towards each other. The bottom end of the plurality of support rods 404 is driven by the installation blocks 403 to move synchronously. As the inclination changes, the vertical height also changes accordingly, and in turn, the position of the top plate 1 also changes.

[0031] As shown in Figure 2 , the total length of the push rod 306 and the moving block 302 is less than the length of the limiting groove 301, so that the push rod 306 can completely enter the limiting groove 301, thereby avoiding the connecting plate 307 connected thereto from not being able to normally move downward.

[0032] As Figure 1 and Figure 2 As shown in the drawings, the thread angle of the plurality of lead screws 402 is less than the equivalent friction angle, so that it has self-locking properties.

[0033] The utility model provides a kind of electric heating constant temperature drying oven is placed frame, specific working principle is as follows:

[0034] When the device works, first adjust the position of top plate 1 according to the needs, ensure that the use of the user is more convenient, start the motor 407 at the top of bottom plate 2, the motor 407 drives gear two 406 to rotate, gear two 406 can drive multiple gear one 405 to rotate simultaneously by engaging, and then multiple lead screws 402 will also be driven by multiple gear one 405 to rotate synchronously, the mounting block 403 limited by the chute 401 will be driven by the lead screw 402 to move towards each other, the bottom end of multiple supporting rods 404 is driven by the mounting block 403 to move synchronously, as its inclination changes, its vertical height will also change accordingly, and then the position of top plate 1 will also change, then place the drying oven above top plate 1, the drying oven first compresses connecting plate 307, the tension of spring 309 will be overcome by the pressure of the drying oven, connecting plate 307 will also move down with the downward movement of the drying oven, connecting plate 307 drives the top end of multiple push rods 306 to move downward, the other end of push rod 306 is fixed in height, push rod 306 can push multiple moving blocks 302 away from each other, the push plate 305 at the bottom of moving block 302 will also be driven to move synchronously, the push plate 305 drives the bottom end of baffle 304, and the baffle 304 will be turned up and extended out of the mounting groove 303, at this time, as long as the drying oven does not move up again, the position of baffle 304 will not turn again, and the drying oven can be protected in real time, when the limiting assembly 3 is not under stress, the baffle 304 will maintain a horizontal state, and will not hinder the placement of the drying oven.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A placing rack for electrically heated constant temperature drying oven, comprising a top plate (1) and a bottom plate (2), characterized in that: The top plate (1) is located at the top of the bottom plate (2), the inside of the top plate (1) is provided with a limiting assembly (3), the limiting assembly (3) comprises four limiting grooves (301) opened on the top outer wall of the top plate (1), the four limiting grooves (301) are arranged at equal distances, and one moving block (302) is slidably connected in each of the four limiting grooves (301).

2. The shelf for an electric thermostatic drying oven according to claim 1, characterized in that: One push rod (306) is rotatably connected to one end of each of the four moving blocks (302) close to each other, and the same connecting plate (307) is rotatably connected to the top end of the four push rods (306).

3. The shelf for an electrically heated constant temperature drying oven according to claim 2, characterized in that: The bottom outer wall of the top plate (1) is slidably connected with a sliding frame (308), the sliding frame (308) is fixedly connected with the connecting plate (307), and the outer part of the plurality of sliding rods of the sliding frame (308) is sleeved with one spring (309), and the two ends of the plurality of springs (309) are fixedly connected with the top plate (1) and the sliding frame (308) respectively.

4. The shelf for an electric thermostatic drying oven according to claim 1, characterized in that: The top plate (1) is located at the top of the bottom plate (2), the inside of the top plate (1) is provided with a limiting assembly (3), the limiting assembly (3) comprises four limiting grooves (301) opened on the top outer wall of the top plate (1), the four limiting grooves (301) are arranged at equal distances, and one moving block (302) is slidably connected in each of the four limiting grooves (301).

5. The shelf for an electrically heated constant temperature drying oven according to claim 4, characterized in that: The top outer wall of the top plate (1) is provided with a recess in the middle, a plurality of gear wheels I (405) are rotatably connected in the recess, the plurality of gear wheels I (405) are coaxially fixed with the plurality of lead screws (402) respectively, a gear wheel II (406) is rotatably connected to the bottom inner wall of the recess, the plurality of gear wheels I (405) are engaged with the gear wheel II (406), the top outer wall of the bottom plate (2) is fixedly provided with a motor (407), and the rotating shaft of the motor (407) is coaxially fixed with the gear wheel II (406).

6. The shelf for an electrically heated constant temperature drying oven according to claim 2, characterized in that: The total length of the push rod (306) and the moving block (302) is less than the length of the limiting groove (301).

7. The shelf for an electrically heated constant temperature drying oven according to claim 4, characterized in that: The thread angle of the plurality of lead screws (402) is less than the equivalent friction angle.

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