CN220991292U - Centrifugal machine with high sealing performance - Google Patents

Abstract

The utility model belongs to the technical field of centrifuges, in particular to a high-tightness centrifuger which comprises a machine body and a sealing device, wherein the surface of the machine body is rotationally connected with a cover, the inner wall of the machine body is fixedly connected with a machine seat, and the side wall of the machine body is fixedly connected with a control panel; the surface of the machine body is provided with a sealing device, the sealing device comprises an air bag, the air bag is inserted into the inner wall of the machine body, the surface of the air bag is fixedly connected with a valve core, the upper surface of the machine body is fixedly connected with four supporting rings at the position close to the surface of the air bag, the position close to the control panel on the surface of the machine body is provided with a protecting device, the protecting device comprises a hollow plate, the side wall of the hollow plate is fixedly connected with the surface of the machine body, and the inner wall of the hollow plate is slidably connected with a sliding block; through setting up the gasbag and can seal between lid and the organism, the gasbag replaces traditional sealing washer, increases the laminating ability with the lid to increase the leakproofness, and sliding ring and swivel can restrict the position of valve core.

Description

Centrifugal machine with high sealing performance

Technical Field

The utility model relates to the technical field of centrifuges, in particular to a high-tightness centrifuge.

Background

The centrifugal machine is a mechanical device for separating each component in liquid and solid particles or a mixture of liquid and liquid by utilizing centrifugal force; centrifuges are mainly used to separate solid particles from liquids in suspension or to separate liquids of different densities and which are not mutually compatible with each other in emulsions (e.g. to separate cream from milk); it can also be used to remove liquids from wet solids, such as drying wet clothing with a washing machine; special overspeed tube separators can also separate gas mixtures of different densities.

A Chinese patent of Chinese patent application CN206444746U discloses a centrifuge, and the technical scheme is as follows: the locking bolt is separated from the rotating shaft by rotating the locking bolt, and then the threaded sleeve is rotated, so that the threaded sleeve is in threaded transmission on the rotating shaft, and the centrifugal frame is driven to move up and down in the machine body, thereby achieving the effect of adjusting the distance between the centrifugal frame and the bottom end of the machine body, and enabling the centrifugal frame to adapt to the effect of centrifugal pipes with different lengths; and sleeving the centrifuge tube on the tube sleeve, so that the centrifuge tube is stably positioned on the centrifuge frame, and the effect of adapting the centrifuge to centrifuge tubes with different lengths is improved.

With respect to the above and related art, the inventors believe that there are often the following drawbacks: when the centrifugal machine is used, the test tube is required to be fixed in the machine base, and the sealing ring is required to be fixed at the position where the machine body contacts the cover when the machine body is stored, so that the situation that dust enters the machine body is reduced; therefore, a centrifuge with high sealing performance has been proposed against the above-mentioned problems.

Disclosure of utility model

In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a high-tightness centrifugal machine, which comprises a machine body and a sealing device, wherein the surface of the machine body is rotationally connected with a cover, the inner wall of the machine body is fixedly connected with a machine seat, and the side wall of the machine body is fixedly connected with a control panel; the surface of organism is equipped with sealing device, sealing device includes the gasbag, the gasbag inserts the inner wall of establishing at the organism, the fixed surface of gasbag is connected with the valve core, the position fixedly connected with four supporting rings that the organism upper surface is close to the gasbag surface, the position fixedly connected with three inserted post that the gasbag surface is close to the supporting ring, the inserted post inserts the inner wall of establishing at the supporting ring, can extrude the surface at the gasbag when the lid rotates, and the leakproofness of organism and lid can be increased to a certain extent in the setting of gasbag.

Preferably, two sliding grooves are formed in the surface of the machine body, close to the valve core, of the machine body, sliding rings are slidably connected to the inner walls of the two sliding grooves on the surface of the machine body, the sliding rings can slide in the sliding grooves when sliding, and the sliding grooves can be formed in a manner of being convenient for sliding of the sliding rings to a certain extent.

Preferably, the inner wall of sliding ring rotates and is connected with the swivel, the fixed surface of swivel is connected with a plurality of stoppers, the stopper is located the lateral wall of sliding ring, can rotate at the sliding ring inner wall when the swivel rotates, can drive the stopper and rotate when the swivel rotates, and the setting of sliding ring can support the swivel to a certain extent.

Preferably, the surface of swivel is offered the screw hole, the screw hole inner wall of swivel and valve core surface threaded connection can rotate the surface of valve core through the screw hole when the swivel rotates, and the seting up of screw hole can be with the swivel fixed at the valve core surface.

Preferably, the position that the organism surface is close to control panel is equipped with protection device, protection device includes the cavity board, the lateral wall and the organism surface fixed connection of cavity board, the inner wall sliding connection of cavity board has the slider, the bottom fixedly connected with backplate of slider, the backplate is located control panel's surface, after the operation finishes, promotes the backplate and lets the backplate remove to the normal position, can protect control panel through setting up the backplate.

Preferably, the backplate is kept away from control panel's one end fixedly connected with ejector pad, the organism surface is close to the position fixedly connected with backup pad of backplate bottom, and the backplate slides at the backup pad surface, can support the backplate to a certain extent through setting up the backup pad.

The utility model has the advantages that:

1. When the machine body is needed to be used, the air bag is inserted into the machine body, then the air bag is inflated through the valve core, the air bag is expanded, the inserting column is inserted into the supporting ring, then the rotating ring is rotated to enable the rotating ring to rotate in the sliding ring, the limiting block is driven to rotate when the rotating ring rotates, the rotating ring rotates to the surface of the valve core through the threaded hole in the rotating process, the rotating ring transversely moves when rotating, the rotating ring drives the sliding ring to move, the sliding ring slides in the sliding groove, the sliding ring is extruded on the surface of the air bag when the cover rotates, the air bag can seal between the cover and the machine body, the air bag replaces a traditional sealing ring, the attaching capability of the cover is improved, the sealing performance is improved, and the sliding ring and the rotating ring can limit the position of the valve core.

2. When the control panel is required to be operated, the push block is pushed to drive the guard board to slide, the guard board drives the slide block to slide, the slide block slides on the surface of the hollow board, the control panel is operated after the guard board slides to a proper position, the push block is pushed to drive the guard board to slide after the operation is finished, the guard board slides on the upper surface of the support board, the control panel can be protected by arranging the guard board, and the situation of mistakenly touching the control panel is reduced.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic perspective view of a machine body according to a first embodiment;

FIG. 2 is a schematic diagram of the structure A in FIG. 1 according to the first embodiment;

FIG. 3 is a schematic side view of a housing according to the first embodiment;

FIG. 4 is a schematic diagram of the structure at B in FIG. 3 according to the first embodiment;

Fig. 5 is a schematic bottom view of an anti-skid sleeve according to the second embodiment.

In the figure: 1. a body; 2. a cover; 3. a base; 4. a control panel; 5. a sealing device; 51. an air bag; 52. a valve core; 53. a support ring; 54. inserting a column; 55. a chute; 56. a slip ring; 57. a swivel; 58. a limiting block; 59. a threaded hole; 6. a protection device; 61. a hollow plate; 62. a slide block; 63. a guard board; 64. a pushing block; 65. a support plate; 7. an anti-skid sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, 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.

Example 1

Referring to fig. 1-4, a centrifuge with high tightness comprises a machine body 1 and a sealing device 5, wherein a cover 2 is rotatably connected to the surface of the machine body 1, a machine base 3 is fixedly connected to the inner wall of the machine body 1, and a control panel 4 is fixedly connected to the side wall of the machine body 1; the surface of the machine body 1 is provided with a sealing device 5, the sealing device 5 comprises an air bag 51, the air bag 51 is inserted into the inner wall of the machine body 1, the surface of the air bag 51 is fixedly connected with a valve core 52, the position, close to the surface of the air bag 51, of the upper surface of the machine body 1 is fixedly connected with four supporting rings 53, the position, close to the supporting rings 53, of the surface of the air bag 51 is fixedly connected with three inserting posts 54, and the inserting posts 54 are inserted into the inner wall of the supporting rings 53; during operation, the air bag 51 is inserted into the inner wall of the machine body 1, then the air is inflated into the air bag 51 through the valve core 52, the inserting posts 54 are inserted into the supporting rings 53 when the air bag 51 is supported, the air bag 51 can be extruded on the surface of the air bag 51 when the cover 2 rotates, and the air bag 51 can be arranged to increase the tightness of the machine body 1 and the cover 2 to a certain extent.

Two sliding grooves 55 are formed in the surface of the machine body 1 at positions close to the valve core 52, and sliding rings 56 are connected to the inner walls of the two sliding grooves 55 on the surface of the machine body 1 in a sliding manner; during operation, the sliding ring 56 slides in the sliding groove 55 when sliding, and the sliding groove 55 is arranged to facilitate the sliding of the sliding ring 56 to a certain extent.

The inner wall of the slip ring 56 is rotatably connected with a swivel 57, the surface of the swivel 57 is fixedly connected with a plurality of limiting blocks 58, and the limiting blocks 58 are positioned on the side wall of the slip ring 56; during operation, the inner wall of the slip ring 56 rotates when the slip ring 57 rotates, the limiting block 58 is driven to rotate when the slip ring 57 rotates, and the slip ring 56 can support the slip ring 57 to a certain extent.

A threaded hole 59 is formed in the surface of the swivel 57, and the inner wall of the threaded hole 59 of the swivel 57 is in threaded connection with the surface of the valve core 52; in operation, the swivel 57 rotates to the surface of the valve core 52 through the threaded hole 59 when rotating, and the threaded hole 59 is opened to fix the swivel 57 to the surface of the valve core 52.

The surface of the machine body 1 is provided with a protection device 6 at a position close to the control panel 4, the protection device 6 comprises a hollow plate 61, the side wall of the hollow plate 61 is fixedly connected with the surface of the machine body 1, the inner wall of the hollow plate 61 is slidably connected with a slide block 62, the bottom end of the slide block 62 is fixedly connected with a guard plate 63, and the guard plate 63 is positioned on the surface of the control panel 4; when the operation is finished, the guard plate 63 is pushed to enable the guard plate 63 to drive the sliding blocks 62 to slide, the sliding blocks 62 slide on the surface of the hollow plate 61, the control panel 4 is operated after the guard plate 63 slides to a proper position, and after the operation is finished, the guard plate 63 is pushed to enable the guard plate 63 to move to the original position, and the control panel 4 can be protected by arranging the guard plate 63.

The end of the guard plate 63 far away from the control panel 4 is fixedly connected with a push block 64, and the position of the surface of the machine body 1 near the bottom end of the guard plate 63 is fixedly connected with a support plate 65; when the guard plate 63 is in operation, the push block 64 is pushed to enable the push block 64 to drive the guard plate 63 to slide, the guard plate 63 slides on the surface of the support plate 65, and the guard plate 63 can be supported to a certain extent through the support plate 65.

Example two

Referring to fig. 5, in a first comparative example, as another embodiment of the present utility model, an anti-slip sleeve 7 is sleeved at the bottom end of the machine body 1, and the anti-slip sleeve 7 is a rubber sleeve; during operation, with antiskid cover 7 cover at the surface of organism 1, when placing organism 1, antiskid cover 7 can laminate the desktop, can increase the resistance when organism 1 removes through setting up antiskid cover 7, reduces the possibility that organism 1 was disturbed.

The working principle is that when the machine body 1 is required to be used, the air bag 51 is inserted into the machine body 1, then the air bag 51 is inflated through the valve core 52, after the air bag 51 is expanded, the inserting column 54 is inserted into the supporting ring 53, then the rotating ring 57 is rotated to enable the rotating ring 57 to rotate in the sliding ring 56, the limiting block 58 is driven to rotate when the rotating ring 57 rotates, the rotating ring 57 rotates to the surface of the valve core 52 through the threaded hole 59 in the rotating process, the rotating ring 57 transversely moves, the rotating ring 57 drives the sliding ring 56 to move, the sliding ring 56 slides in the sliding groove 55, the air bag 51 is extruded on the surface of the air bag 51 when the cover 2 rotates, the cover 2 and the machine body 1 can be sealed through the arrangement of the air bag 51, the conventional sealing ring is replaced by the air bag 51, the attaching capability of the cover 2 is improved, the sealing performance is improved, and the positions of the sliding ring 56 and the rotating ring 57 can limit the valve core 52; when the control panel 4 is required to be operated, the push block 64 is pushed to enable the push block 64 to drive the guard plate 63 to slide, the guard plate 63 drives the slide blocks 62 to slide, the slide blocks 62 slide on the surface of the hollow plate 61, after the guard plate 63 slides to a proper position, the control panel 4 is operated, after the operation is finished, the push block 64 is pushed to enable the push block 64 to drive the guard plate 63 to slide, the guard plate 63 slides on the upper surface of the support plate 65, the control panel 4 can be protected through the arrangement of the guard plate 63, and the situation that the control panel 4 is touched by mistake is reduced.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (6)

1. The centrifuge with high tightness comprises a machine body (1) and a sealing device (5), wherein the surface of the machine body (1) is rotationally connected with a cover (2), the inner wall of the machine body (1) is fixedly connected with a machine seat (3), and the side wall of the machine body (1) is fixedly connected with a control panel (4); the method is characterized in that: the surface of organism (1) is equipped with sealing device (5), sealing device (5) include gasbag (51), gasbag (51) are inserted and are established at the inner wall of organism (1), the fixed surface of gasbag (51) is connected with valve inside (52), the position fixedly connected with four support rings (53) that the upper surface of organism (1) is close to gasbag (51) surface, the position fixedly connected with three spliced pole (54) that the gasbag (51) surface is close to support ring (53), spliced pole (54) are inserted and are established at the inner wall of support ring (53).

2. A high tightness centrifuge according to claim 1, characterized in that: two sliding grooves (55) are formed in the surface of the machine body (1) at positions close to the valve core (52), and sliding rings (56) are connected to the inner walls of the two sliding grooves (55) on the surface of the machine body (1) in a sliding mode.

3. A high tightness centrifuge according to claim 2, characterized in that: the inner wall of sliding ring (56) rotates and is connected with swivel (57), the fixed surface of swivel (57) is connected with a plurality of stopper (58), stopper (58) are located the lateral wall of sliding ring (56).

4. A high tightness centrifuge according to claim 3, characterized in that: a threaded hole (59) is formed in the surface of the swivel (57), and the inner wall of the threaded hole (59) of the swivel (57) is in threaded connection with the surface of the valve core (52).

5. A high tightness centrifuge according to claim 1, characterized in that: the position that organism (1) surface is close to control panel (4) is equipped with protection device (6), protection device (6) are including cavity board (61), the lateral wall and the organism (1) surface fixed connection of cavity board (61), the inner wall sliding connection of cavity board (61) has slider (62), the bottom fixedly connected with backplate (63) of slider (62), backplate (63) are located the surface of control panel (4).

6. The high-tightness centrifuge of claim 5, wherein: one end of the guard plate (63) far away from the control panel (4) is fixedly connected with a push block (64), and a support plate (65) is fixedly connected to the surface of the machine body (1) at a position close to the bottom end of the guard plate (63).