CN220524620U - Muffle furnace for pretreatment of medical samples - Google Patents

Abstract

The utility model discloses a muffle furnace for preprocessing medical samples, which belongs to the technical field of muffle furnaces, aims at solving the problems that a manual hand is easy to scald at high temperature in a furnace, and the function of pushing out the samples when a furnace door is opened cannot be realized, and inconvenience is brought to the process of taking out the samples by workers; according to the utility model, through the unfolding and pulling-out assembly, on one hand, the furnace door is turned upwards to open through rotation, and the gear b is matched with the functions of a plurality of parts, so that the gear b can drive the straight toothed plate to push out the medical sample placed on the supporting plate, and the medical sample is pushed out of the furnace chamber, thereby facilitating manual and rapid holding of the clamping tool to clamp and take the medical sample, and avoiding inconvenience caused by high temperature in the furnace when the medical sample is taken out of the furnace.

Description

Muffle furnace for pretreatment of medical samples

Technical Field

The utility model belongs to the technical field of muffle furnaces, and particularly relates to a muffle furnace for pretreatment of medical samples.

Background

The box-type furnace is also called a muffle furnace, is simple to operate and convenient to maintain, and is provided with a controllable chimney behind the furnace. The method is suitable for chemical analysis of coal, coking products and chemical raw materials. Can be used in industries and departments of electric power, coal, papermaking, petrifaction, cement, agriculture and animal husbandry, medical scientific research, teaching and the like.

At present, a muffle furnace is needed to be used when chemical analysis is carried out on a medical sample, but the muffle furnace in the prior art is used, the medical sample is prevented from being taken out of a furnace chamber through manual operation in the use process, the sample is taken out through manual operation of a clamping tool after the analysis is finished, but the manual operation is easy to scald the manual operation due to the high temperature in the furnace, the function of pushing out the sample when the furnace door is opened cannot be realized, and inconvenience is brought to the manual operation when the sample is taken out.

Disclosure of Invention

The utility model aims to provide a muffle furnace for preprocessing medical samples, which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a muffle furnace for pretreatment of medical sample, includes the muffle furnace main part and articulates the furnace gate in the muffle furnace main part front side, sliding connection has the layer board that is used for placing medical sample on the diapire in the furnace chamber of muffle furnace main part, be connected with between furnace gate and the furnace chamber inner wall of muffle furnace main part and expand and pull out the subassembly, expand and pull out the subassembly still and be connected with the chucking subassembly between the outer wall of one side of muffle furnace main part.

As a preferred embodiment, a handle is fixedly arranged on the front side surface of the furnace door.

As a preferred implementation mode, the bottom end of the muffle main body is fixedly connected with a sliding block with a vertical section in an isosceles trapezoid structure, and the sliding block is slidably connected in a sliding groove arranged on the bottom wall in the furnace chamber.

As a preferred implementation mode, the unfolding pull-out assembly comprises an arc toothed plate fixedly connected to the back of the furnace door, a gear a is connected above the arc toothed plate in a meshed mode, the gear a is rotatably connected to one side wall of the furnace chamber through a rotating shaft, and a gear b fixedly connected to the outer side of the rotating shaft is further arranged on one side of the gear a.

As a preferred embodiment, a straight toothed plate is connected below the gear b in a meshed manner, and the straight toothed plate is fixedly connected at the top edge of the supporting plate.

As a preferred embodiment, the clamping assembly comprises a limiting block fixedly connected to the outer side of an extension part of one end of the rotating shaft, a limiting strip fixedly connected to the outer side of the rotating shaft is arranged between the limiting block and the outer wall of one side of the muffle main body, a movable sleeve is arranged on the limiting strip and the outer sliding sleeve of the rotating shaft, a positioning column is fixedly connected to the outer side of the movable sleeve through a pulling block, a plurality of positioning holes matched with the positioning column are formed in one side wall of the muffle main body, and the positioning holes are distributed in a ring-shaped array.

As a preferable implementation mode, a spring sleeved outside the rotating shaft and the limiting strip thereof is arranged between one end of the movable sleeve and the limiting block.

Compared with the prior art, the muffle furnace for pretreatment of medical samples provided by the utility model at least comprises the following beneficial effects:

(1) Through the unfolding and pulling-out assembly, on one hand, the furnace door is opened by rotating and upwards turning, and the gear b is matched with the functions of a plurality of parts, so that the gear b can drive the straight toothed plate to push out the medical sample placed on the supporting plate, the medical sample is pushed out of the furnace chamber, the manual quick holding and clamping tool is convenient to clamp and take out the medical sample, inconvenience caused by high temperature in the furnace when the medical sample is taken out of the furnace is avoided, and on the other hand, the medical sample placed on the supporting plate can be pushed into the furnace chamber simultaneously when the furnace door is closed;

(2) Through the chucking subassembly that sets up, can realize fast that the locking between furnace gate and this muffle furnace main part is fixed on the one hand, and the two aspects are fixed in the locating hole through the reference column chucking, and then make to rotate to turn up the furnace gate that turns up and to be fixed, and then avoid the furnace gate activity and influence the manual work to press from both sides and get and take out the medical sample of placing on the layer board, and the three aspect is when needing natural heat dissipation in the stove, can be with the furnace gate expansion fix at different angle states, has the natural draft heat dissipation in the utilization stove.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;

FIG. 2 is a schematic view of the components of the clamping assembly of the present utility model;

FIG. 3 is a schematic plan view of a portion of the components of the deployment and retraction assembly of the present utility model;

FIG. 4 is a schematic plan view of the two parts of the deployment and retraction assembly of the present utility model;

FIG. 5 is a schematic vertical cross-section right side plan view of the slider of FIG. 4 in accordance with the present utility model.

In the figure: 1. a muffle furnace body; 2. a furnace door; 21. a handle; 3. deploying the pull-out assembly; 31. arc toothed plates; 32. a gear a; 33. a rotating shaft; 34. a gear b; 35. a straight toothed plate; 4. a clamping assembly; 41. a limit bar; 42. a movable sleeve; 43. pulling blocks; 44. positioning columns; 45. positioning holes; 46. a limiting block; 47. a spring; 5. a supporting plate; 51. a sliding block.

Detailed Description

The utility model is further described below with reference to examples.

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure, and it is apparent that the described embodiments are some, but not all, embodiments of the present disclosure, and all other embodiments obtained by persons of ordinary skill in the art without inventive labor based on the described embodiments of the present disclosure are within the scope of protection of the present disclosure.

Unless otherwise defined, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs, the use of the terms "comprising" or "comprises" and the like in this disclosure is intended to mean that the element or article preceding the term encompasses the element or article listed after the term and equivalents thereof, without excluding other elements or articles, and that the terms "connected" or "connected" and the like are not limited to physical or mechanical connections, but may also include electrical connections, whether direct or indirect, "upper", "lower", "left", "right", etc. are merely intended to indicate relative positional relationships that may also be correspondingly altered when the absolute position of the object being described is altered.

Referring to fig. 1-5, the present utility model provides a muffle furnace for preprocessing medical samples, comprising:

the muffle furnace comprises a muffle furnace main body 1 and a furnace door 2 hinged to the front side of the muffle furnace main body 1, wherein a supporting plate 5 for placing medical samples is slidably connected to the bottom wall in a furnace chamber of the muffle furnace main body 1, a unfolding pull-out assembly 3 is connected between the furnace door 2 and the inner wall of the furnace chamber of the muffle furnace main body 1, and a clamping assembly 4 is connected between the unfolding pull-out assembly 3 and the outer wall of one side of the muffle furnace main body 1.

As further shown in fig. 1-4, it is worth specifically explaining that the front side surface of the oven door 2 is fixedly provided with a handle 21, and the top of the oven door 2 is hinged with the top of the muffle main body 1.

As further shown in fig. 3-5, it is worth specifically explaining that the bottom end of the muffle main body 1 is fixedly connected with a slide block 51 with a vertical section in an isosceles trapezoid structure, and the slide block 51 is slidably connected in a chute provided in the bottom wall of the furnace chamber.

As further shown in fig. 3-4, it should be noted that, the unfolding pull-out assembly 3 includes an arc toothed plate 31 fixedly connected to the back of the oven door 2, a gear a32 is engaged and connected above the arc toothed plate 31, the gear a32 is rotatably connected to a side wall of the oven cavity through a rotating shaft 33, a gear b34 fixedly connected to the outer side of the rotating shaft 33 is further provided on one side of the gear a32, a straight toothed plate 35 is engaged and connected below the gear b34, and the straight toothed plate 35 is fixedly connected to the top edge of the supporting plate 5.

The arc toothed plate 31 is set according to the motion track of the rotary hinge point of the oven door 2, so that when the oven door 2 is opened along with the arc toothed plate 31, the arc toothed plate 31 drives the gear a32, and the gear b34 can also rotate.

Further, as shown in fig. 2, it is worth specifically describing that the clamping assembly 4 includes a limiting block 46 fixedly connected to the outside of an extension portion at one end of the rotating shaft 33, a limiting bar 41 fixedly connected to the outside of the rotating shaft 33 is disposed between the limiting block 46 and an outer wall of one side of the muffle main body 1, a movable sleeve 42 is slidably sleeved on the limiting bar 41 and the outside of the rotating shaft 33, a positioning column 44 is fixedly connected to the outside of the movable sleeve 42 through a pull block 43, a plurality of positioning holes 45 matched with the positioning column 44 are formed in one side wall of the muffle main body 1, the positioning holes 45 are distributed in a ring array, and a spring 47 sleeved on the outside of the rotating shaft 33 and the limiting bar 41 is disposed between one end of the movable sleeve 42 and the limiting block 46.

The function of the limiting bar 41 is to make the movable sleeve 42 move left and right only on the rotating shaft 33, and not rotate on the rotating shaft 33.

To sum up: firstly, a user pulls the pull block 43 manually, so that the positioning column 44 leaves the corresponding positioning hole 45, at the moment, the handle 21 rotates the oven door 2 upwards to be opened, the arc toothed plate 31 moves together with the gear a32 to drive, and then the rotating shaft 33 drives the gear b34 to drive the straight toothed plate 35, and then the supporting plate 5 moves out of the oven through the sliding block 51, so that a medical sample placed on the supporting plate 5 can be pushed out, thereby facilitating manual and rapid holding and clamping of a clamping tool for clamping the medical sample, and avoiding inconvenience caused by high temperature in the oven when the medical sample is taken out of the oven.

Claims (7)

1. The utility model provides a muffle furnace for pretreatment of medical sample, includes muffle furnace main part (1) and articulates furnace gate (2) at muffle furnace main part (1) front side, sliding connection has layer board (5) that are used for placing medical sample in the furnace chamber of muffle furnace main part (1) on the diapire, a serial communication port, be connected with between furnace gate (2) and the furnace chamber inner wall of muffle furnace main part (1) and expand and pull out subassembly (3), expand and pull out subassembly (3) still and be connected with chucking subassembly (4) between one side outer wall of muffle furnace main part (1).

2. A muffle for pretreatment of medical samples according to claim 1, wherein: the front side surface of the furnace door (2) is fixedly provided with a handle (21).

3. A muffle for pretreatment of medical samples according to claim 1, wherein: the bottom end of the muffle furnace main body (1) is fixedly connected with a sliding block (51) with a vertical section in an isosceles trapezoid structure, and the sliding block (51) is slidably connected in a sliding groove formed in the bottom wall in the furnace chamber.

4. A muffle for pretreatment of medical samples according to claim 1, wherein: the unfolding and pulling-out assembly (3) comprises an arc toothed plate (31) fixedly connected to the back of the oven door (2), a gear a (32) is connected above the arc toothed plate (31) in a meshed mode, the gear a (32) is rotatably connected to one side wall of the oven cavity through a rotating shaft (33), and a gear b (34) fixedly connected to the outer side of the rotating shaft (33) is further arranged on one side of the gear a (32).

5. The muffle for pretreatment of medical samples of claim 4 wherein: the lower part of the gear b (34) is connected with a straight toothed plate (35) in a meshed manner, and the straight toothed plate (35) is fixedly connected to the top edge of the supporting plate (5).

6. The muffle for pretreatment of medical samples of claim 4 wherein: the clamping assembly (4) comprises a limiting block (46) fixedly connected to the outer side of an extending part at one end of the rotating shaft (33), a limiting strip (41) fixedly connected to the outer side of the rotating shaft (33) is arranged between the limiting block (46) and the outer wall of one side of the muffle main body (1), a movable sleeve (42) is arranged on the limiting strip (41) and the outer sliding sleeve of the rotating shaft (33) of the limiting strip, a positioning column (44) is fixedly connected to the outer side of the movable sleeve (42) through a pulling block (43), a plurality of positioning holes (45) matched with the positioning column (44) are formed in one side wall of the muffle main body (1), and the positioning holes (45) are distributed in a ring array shape.

7. The muffle for pretreatment of medical samples of claim 6 wherein: a spring (47) sleeved outside the rotating shaft (33) and the limiting strip (41) thereof is arranged between one end of the movable sleeve (42) and the limiting block (46).