CN220959505U

CN220959505U - Nitrogen charging oven with high sealing performance

Info

Publication number: CN220959505U
Application number: CN202322665921.7U
Authority: CN
Inventors: 杨晨
Original assignee: Suzhou Tuohao Technology Co ltd
Current assignee: Suzhou Tuohao Technology Co ltd
Priority date: 2023-10-07
Filing date: 2023-10-07
Publication date: 2024-05-14
Anticipated expiration: 2033-10-07

Abstract

The utility model discloses a nitrogen charging oven with high sealing performance, which relates to the technical field of nitrogen charging ovens, and the technical scheme is as follows: the oven comprises an oven body, wherein one side of the oven body is provided with an oven door, the oven body is connected with the oven door through a hinge, one side of the oven door is provided with a limit groove, and one side of the oven body is provided with a sealing assembly; the sealing component comprises a fixing plate, one side of the oven body is fixedly arranged on the fixing plate, a plurality of telescopic rods are fixedly connected to one side of the fixing plate, a connecting shell is fixedly connected to one end of the telescopic rods, a plurality of gears are arranged inside the connecting shell, one end of each gear is fixedly connected with a fixing rod, the fixing rods penetrate through the connecting shell and are connected with the connecting shell through bearings, the fixing rods penetrate through the fixing plate and are connected with the fixing plate in a sliding mode, a cam is fixedly connected to one end of each fixing rod, the cam extends into the limiting groove, a knob is arranged on one side of the connecting shell, a threaded rod is fixedly connected to one end of each knob, sealing performance of the oven body is enhanced, a box door is conveniently opened, and a workpiece is conveniently taken and placed.

Description

Nitrogen charging oven with high sealing performance

Technical Field

The utility model relates to the technical field of nitrogen-filled ovens, in particular to a nitrogen-filled oven with high sealing performance.

Background

The nitrogen charging oven is a novel electric heating drying oven capable of creating a clean constant temperature environment, can meet the requirements of purifying ovens of related units such as electronics, medical health instruments and meters, factories, universities and scientific departments, adopts stainless steel working chambers and stainless steel pipes for heating, and is filled with purified protective gas to discharge uncleaned gas, so that clean and temperature-uniform drying environments are caused in the drying oven, the quality of test products is improved, the appearance of the nitrogen charging oven is attractive, and the nitrogen charging oven is convenient to use, sensitive and accurate in temperature control.

The existing nitrogen-filled oven has a gap between the oven door and the oven contact position, so that the sealing performance is poor, air is easy to enter, the annealing effect is affected, and the existing nitrogen-filled oven is inconvenient to take and place workpieces.

Disclosure of utility model

Therefore, the utility model provides the nitrogen-filled oven with high sealing performance, which aims to solve the problems that the sealing performance is poor and air is easy to enter due to gaps at the contact positions of the oven door of the nitrogen-filled oven and the oven, so that the annealing effect is affected, and the existing nitrogen-filled oven is inconvenient to take and place workpieces.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a nitrogen charging oven that leakproofness is high, includes the oven body, oven body one side is equipped with the chamber door, oven body one side is equipped with fills the nitrogen pipe, and the fixed electrical heating board that is equipped with of oven body inside, oven body and chamber door pass through hinge connection, the spacing groove has been seted up to chamber door one side, oven body one side is equipped with seal assembly;

The utility model provides a sealing component, including the fixed plate, fixed plate fixed locating oven body one side, fixed plate one side fixedly connected with a plurality of telescopic links, a plurality of telescopic link one end fixedly connected with coupling housing, the inside a plurality of gears that are equipped with of coupling housing, a plurality of gear one end fixedly connected with dead lever, the dead lever runs through the coupling housing and passes through bearing connection with the coupling housing, the dead lever runs through the fixed plate and with fixed plate sliding connection, dead lever one end fixedly connected with cam, the cam extends into spacing inslot, coupling housing one side is equipped with the knob, knob one end fixedly connected with threaded rod, threaded rod extends into coupling housing inside and passes through bearing connection with coupling housing junction, threaded rod one end is connected with the end plate through the bearing, end plate and coupling housing inner chamber lateral wall fixed connection, the threaded rod outside is equipped with the sliding block through the thread bush, the fixed pinion rack that is equipped with in sliding block one side, the pinion meshes with the gear.

Preferably, a limiting rod is fixedly arranged in the connecting shell, and penetrates through the toothed plate and is in sliding connection with the toothed plate.

Preferably, the cam is in contact with the side wall of the limit groove.

Preferably, the oven body one side has seted up the kerve, inside fixedly connected with of kerve two square sleeve boards, two square sleeve board one side all is equipped with the inner panel, inside square sleeve board is extended into to inner panel one end, inner panel top fixedly connected with rack, inner panel one side is equipped with sliding component.

Preferably, the sliding component comprises a circular plate, the circular plate is fixedly arranged on one side of the inner plate, a connecting plate is sleeved outside the circular plate, the circular plate is in sliding connection with the connecting plate, one side of the connecting plate is connected with a movable wheel through a bearing, two clamping grooves are formed in the inner side of the connecting plate, an inner groove is formed in one side of the circular plate, an inserting rod is fixedly connected to the inner groove, a clamping block is sleeved outside the inserting rod, one side of the clamping block extends into one side of the clamping groove, and a spring is sleeved outside the inserting rod.

Preferably, the clamping block is in sliding connection with the inner groove.

Preferably, the clamping block is in sliding connection with the inserted link.

Preferably, the four corners of the bottom of the oven body are fixedly connected with supporting legs.

Preferably, the inner plate is in sliding connection with the square sleeve plate.

The embodiment of the utility model has the following advantages:

1. The knob drives the threaded rod to rotate, the threaded rod drives the sliding block to move, the sliding block drives the toothed plate to move, the toothed plate drives the gear to rotate, the gear drives the fixed rod to rotate, the fixed rod drives the cam to rotate, the protruding position of the cam is in contact with the side wall of the limit groove and the oven door is tightly in contact with the oven body, so that the tightness of the oven body is enhanced, and the oven door is convenient to open;

2. The oven body is pulled out of the rack, the rack drives the inner plate to slide out of the square sleeve plate, then the clamping block is pushed to conveniently rotate the connecting plate, after the connecting plate rotates ninety degrees, the clamping block is loosened, the clamping block is rebounded by the spring and is pushed into the other clamping groove again, the movable wheel on one side of the connecting plate contacts the ground, the rack is pulled out continuously, workpieces are placed on the rack, the rack is supported by the connecting plate and the movable wheel pair rack, the inclination of the rack is avoided, and the workpieces are conveniently taken and placed.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the ambit of the technical disclosure.

FIG. 1 is a schematic view of the overall structure provided by the present utility model;

FIG. 2 is a cross-sectional view of a connection housing provided by the present utility model;

FIG. 3 is a schematic diagram of the internal structure of the nitrogen-filled oven body provided by the utility model;

Fig. 4 is an extracted perspective view of a rack provided by the utility model;

FIG. 5 is a perspective view of a rack provided by the present utility model;

FIG. 6 is an enlarged view of the structure of portion A in FIG. 2 according to the present utility model;

fig. 7 is an enlarged view of the B part structure in fig. 3 according to the present utility model.

In the figure: 1. an oven body; 2. a door; 3. support legs; 4. a limit groove; 5. a fixing plate; 6. a knob; 7. a connection housing; 8. a placing rack; 9. a connecting plate; 10. a bottom groove; 11. a moving wheel; 12. a threaded rod; 13. a telescopic rod; 14. a fixed rod; 15. a cam; 16. an inner plate; 17. square sleeve plate; 18. a gear; 19. an end plate; 20. a sliding block; 21. a limit rod; 22. a circular plate; 23. a clamping block; 24. a rod; 25. a spring; 26. an inner tank; 27. a clamping groove; 28. a toothed plate; 29. an electric heating plate.

Detailed Description

Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, the nitrogen-filled oven with high tightness provided by the utility model comprises an oven body 1, wherein one side of the oven body 1 is provided with a door 2, one side of the oven body 1 is provided with a nitrogen-filled pipe, an electric heating plate 29 is fixedly arranged in the oven body 1, the oven body 1 is connected with the door 2 through a hinge, one side of the door 2 is provided with a limit groove 4, and one side of the oven body 1 is provided with a sealing component;

The sealing assembly comprises a fixing plate 5, the fixing plate 5 is fixedly arranged on one side of an oven body 1, a plurality of telescopic rods 13 are fixedly connected to one side of the fixing plate 5, one end of each telescopic rod 13 is fixedly connected with a connecting shell 7, a plurality of gears 18 are arranged in the connecting shell 7, one end of each gear 18 is fixedly connected with a fixing rod 14, each fixing rod 14 penetrates through the connecting shell 7 and is connected with the connecting shell 7 through a bearing, each fixing rod 14 penetrates through the fixing plate 5 and is in sliding connection with the fixing plate 5, one end of each fixing rod 14 is fixedly connected with a cam 15, the cam 15 extends into a limiting groove 4, a knob 6 is arranged on one side of the connecting shell 7, one end of each knob 6 is fixedly connected with a threaded rod 12, one end of each threaded rod 12 extends into the connecting shell 7 and is connected with the connecting shell 7 through a bearing, one end of each threaded rod 12 is connected with an end plate 19 through a bearing, the end plate 19 is fixedly connected with the side wall of an inner cavity of the connecting shell 7, a sliding block 20 is sleeved outside each threaded rod 12 through a thread, one side of the sliding block 20 is fixedly provided with a toothed plate 28, each toothed plate 28 is meshed with the corresponding gear 18 and the side wall 15 is meshed with the limiting groove 4;

In this embodiment, the connection shell 7 is pushed, the telescopic rod 13 at one side of the connection shell 7 is contracted, and the fixed rod 14 and the cam 15 at one side of the connection shell 7 are moved at the same time, so that the cam 15 moves into the limit groove 4, the knob 6 is rotated, the knob 6 drives the threaded rod 12 to rotate, the threaded rod 12 drives the sliding block 20 to move, the sliding block 20 drives the toothed plate 28 to move, the toothed plate 28 drives the gear 18 to rotate, the gear 18 drives the fixed rod 14 to rotate, the fixed rod 14 drives the cam 15 to rotate, the protruding position of the cam 15 contacts with the side wall of the limit groove 4 and tightly contacts the oven door 2 with the oven body 1, so that the tightness of the oven body 1 is enhanced;

in order to achieve the limiting purpose, the device is achieved by adopting the following technical scheme: a limiting rod 21 is fixedly arranged in the connecting shell 7, the limiting rod 21 penetrates through the toothed plate 28 and is in sliding connection with the toothed plate 28, and the limiting rod 21 has the function of limiting the toothed plate 28 so that the toothed plate 28 slides up and down;

In order to achieve the purpose of facilitating workpiece taking, the device is achieved by adopting the following technical scheme: the oven body 1 is provided with a bottom groove 10 on one side, two square sleeve plates 17 are fixedly connected in the bottom groove 10, one side of each square sleeve plate 17 is provided with an inner plate 16, one end of each inner plate 16 extends into each square sleeve plate 17, the top of each inner plate 16 is fixedly connected with a placing rack 8, one side of each inner plate 16 is provided with a sliding component, each sliding component comprises a circular plate 22, each circular plate 22 is fixedly arranged on one side of each inner plate 16, a connecting plate 9 is sleeved outside each circular plate 22, each circular plate 22 is in sliding connection with the corresponding connecting plate 9, one side of each connecting plate 9 is connected with a movable wheel 11 through a bearing, two clamping grooves 27 are formed in the inner side of each connecting plate 9, an inner groove 26 is formed in one side of each circular plate 22, an inserting rod 24 is fixedly connected in each inner groove 26, one side of each inserting rod 24 is sleeved outside each inserting rod 23, each clamping rod 23 extends into one of the corresponding clamping grooves 27, the outside of the inserted link 24 is sleeved with a spring 25, the clamping block 23 is in sliding connection with the inner groove 26, the clamping block 23 is in sliding connection with the inserted link 24, the inner plate 16 is in sliding connection with the square sleeve plate 17, the placing frame 8 is pulled out of the oven body 1, the placing frame 8 drives the inner plate 16 to slide out of the square sleeve plate 17, then the clamping block 23 is pushed, the clamping block 23 slides into the inner groove 26, the clamping block 23 compresses the spring 25, then the connecting plate 9 is rotated, the clamping block 23 is released after the connecting plate 9 rotates ninety degrees, the clamping block 23 is rebounded by the spring 25 and pushed into the other clamping groove 27 again, the moving wheel 11 on one side of the connecting plate 9 contacts the ground, the placing frame 8 is pulled out continuously, a workpiece is placed on the placing frame 8, the placing frame 8 is prevented from inclining by the connecting plate 9 and the moving wheel 11, after the placing frame 8 slides into the oven body 1 for a certain distance, the clamping block 23 is pushed again and the connecting plate 9 is rotated, so that the connecting plate 9 is rotated and folded, and the connecting plate 9 is conveniently moved into the bottom groove 10;

In order to achieve the purpose of supporting, the device is achieved by adopting the following technical scheme: the four corners of the bottom of the oven body 1 are fixedly connected with supporting legs 3, and the supporting legs 3 have the function of supporting the oven body 1.

The application process of the utility model is as follows: when the utility model is used, the placing frame 8 is pulled out of the oven body 1, the placing frame 8 drives the inner plate 16 to slide out of the square sleeve plate 17, then the clamping block 23 is pushed, the clamping block 23 slides into the inner groove 26, the clamping block 23 compresses the spring 25, then the connecting plate 9 is rotated, after the connecting plate 9 rotates ninety degrees, the clamping block 23 is loosened, the clamping block 23 is rebounded by the spring 25 and is pushed into the other clamping groove 27 again, the moving wheel 11 at one side of the connecting plate 9 contacts the ground, the placing frame 8 is pulled out continuously, the workpiece is placed on the placing frame 8, the placing frame 8 is supported by the connecting plate 9 and the moving wheel 11, the tilting of the placing frame 8 is avoided, after the placing frame 8 slides into the oven body 1 for a certain distance, the clamping block 23 is pushed again and the connecting plate 9 is rotated, make connecting plate 9 rotate folding, make things convenient for connecting plate 9 to move into inside the kerve 10, cover the chamber door 2 after, promote the connection shell 7, telescopic link 13 shrink of connection shell 7 one side, dead lever 14 and cam 15 removal of connection shell 7 one side simultaneously, make cam 15 move into inside spacing groove 4, rotate knob 6, knob 6 drives threaded rod 12 and rotates, threaded rod 12 drives slider 20 and moves, slider 20 drives pinion rack 28 and moves, pinion rack 28 drives gear 18 and rotates, gear 18 drives dead lever 14 and rotates, dead lever 14 drives cam 15 and rotates, cam 15 protruding position and spacing groove 4 lateral wall contact and with chamber door 2 tight with oven body 1 contact, make the leakproofness of oven body 1 strengthen.

The above description is of the preferred embodiments of the present utility model, and any person skilled in the art may modify the present utility model or make modifications to the present utility model with the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present utility model falls within the scope of the protection claimed by the present utility model.

Claims

1. The utility model provides a nitrogen charging oven that leakproofness is high, includes oven body (1), its characterized in that: a box door (2) is arranged on one side of the oven body (1), a nitrogen filling pipe is arranged on one side of the oven body (1), an electric heating plate (29) is fixedly arranged inside the oven body (1), the oven body (1) is connected with the box door (2) through a hinge, a limit groove (4) is formed in one side of the box door (2), and a sealing assembly is arranged on one side of the oven body (1);

The sealing assembly comprises a fixing plate (5), one side of an oven body (1) is fixedly arranged on the fixing plate (5), one side of the fixing plate (5) is fixedly connected with a plurality of telescopic rods (13), one end of each telescopic rod (13) is fixedly connected with a connecting shell (7), a plurality of gears (18) are arranged inside the connecting shell (7), one end of each gear (18) is fixedly connected with a fixing rod (14), the fixing rods (14) penetrate through the connecting shell (7) and are connected with the connecting shell (7) through bearings, the fixing rods (14) penetrate through the fixing plate (5) and are connected with the fixing plate (5) in a sliding mode, one end of each fixing rod (14) is fixedly connected with a cam (15), the cam (15) extends into the limiting groove (4), one side of each connecting shell (7) is provided with a knob (6), one end of each knob (6) is fixedly connected with a threaded rod (12), each threaded rod (12) extends into the connecting shell (7) and is connected with the connecting shell (7) through one end of each bearing, one end of each threaded rod (12) is connected with an end plate (19) through a threaded rod (19), an end plate (19) is connected with an inner cavity (20) through a threaded sleeve, a toothed plate (28) is fixedly arranged on one side of the sliding block (20), and the toothed plate (28) is meshed with the gear (18).

2. The high tightness nitrogen filled oven of claim 1, wherein: the connecting shell (7) is internally fixedly provided with a limiting rod (21), and the limiting rod (21) penetrates through the toothed plate (28) and is in sliding connection with the toothed plate (28).

3. The high tightness nitrogen filled oven of claim 1, wherein: the cam (15) is contacted with the side wall of the limit groove (4).

4. The high tightness nitrogen filled oven of claim 1, wherein: the oven body (1) one side has seted up kerve (10), inside fixedly connected with two square sleeve boards (17) of kerve (10), two square sleeve board (17) one side all is equipped with inner panel (16), inner panel (16) one end extends into square sleeve board (17) inside, inner panel (16) top fixedly connected with rack (8), inner panel (16) one side is equipped with slip subassembly.

5. The high tightness nitrogen filled oven of claim 4, wherein: the sliding assembly comprises a circular plate (22), wherein the circular plate (22) is fixedly arranged on one side of an inner plate (16), a connecting plate (9) is sleeved outside the circular plate (22), the circular plate (22) is connected with the connecting plate (9) in a sliding mode, one side of the connecting plate (9) is connected with a movable wheel (11) through a bearing, two clamping grooves (27) are formed in the inner side of the connecting plate (9), an inner groove (26) is formed in one side of the circular plate (22), an inserting rod (24) is fixedly connected to the inner groove (26), a clamping block (23) is sleeved outside the inserting rod (24), one side of the clamping block (23) extends into one side of the clamping groove (27), and a spring (25) is sleeved outside the inserting rod (24).

6. The high tightness nitrogen filled oven of claim 5, wherein: the clamping block (23) is in sliding connection with the inner groove (26).

7. The high tightness nitrogen filled oven of claim 5, wherein: the clamping block (23) is in sliding connection with the inserted link (24).

8. The high tightness nitrogen filled oven of claim 1, wherein: supporting legs (3) are fixedly connected to four corners of the bottom of the oven body (1).

9. The high tightness nitrogen filled oven of claim 4, wherein: the inner plate (16) is in sliding connection with the square sleeve plate (17).