Connecting structure for testing oxygen content of centrifugal machine

Abstract

The utility model provides a connecting structure for testing the oxygen content of a centrifugal machine, and aims to solve the technical problem that the oxygen content in the plate centrifugal machine is difficult to detect again in the working process of the plate centrifugal machine. The connecting structure comprises a base arranged on a cover body of the centrifugal machine, and a channel penetrating through the two ends of the base is formed in the base; the connector is detachably arranged in the base, and the connector is connected with the oxygen content tester through a connecting pipe; the lower cover plate is arranged in the base, and a gap exists between the periphery of the lower cover plate and the inner wall of the base; the piston plate is movably arranged in the channel and can abut against the lower cover plate, a through hole is formed in the middle of the piston plate, and the size of the through hole is smaller than that of the bottom face of the lower cover plate; the lower spring is arranged between the piston plate and the inner wall of the base and is positioned on the bottom surface of the piston plate; the inner diameter of the channel is equal to the outer diameter of the connector. The connecting structure has the advantage that the oxygen content in the plate centrifuge can be detected in any working time period.

Description

TECHNICAL FIELD

[0001] The utility model relates to centrifuge technical field, concretely relates to a centrifuge test oxygen content's connecting structure. BACKGROUND

[0002] The flat-plate sealed centrifuge adopts a platform structure, the shell and the platform are welded as a whole, the shell cover and the shell adopt a flange cooperation quick opening structure, and the opening of the shell cover adopts a mechanical balancer booster.

[0003] When the flat-plate centrifuge separates solid and liquid of raw medicine crystalline, because the raw medicine contains flammable and explosive solvent, therefore, the oxygen content in the flat-plate centrifuge needs to be detected to avoid explosion.

[0004] At present, the flat-plate centrifuge extracts oxygen in its interior before adding raw materials, or extracts oxygen after adding raw materials, so that the oxygen content in the flat-plate centrifuge is reduced to a required value, and then centrifugal work is carried out. But it is difficult to detect again in the middle of work. UTILITY MODEL CONTENTS

[0005] In view of the technical problem that the flat-plate centrifuge is difficult to detect the oxygen content in its interior again in the middle of work, the utility model provides a centrifuge test oxygen content's connecting structure, which has the advantage that the oxygen content in the flat-plate centrifuge can be detected in any working time period.

[0006] The technical scheme of the utility model is:

[0007] A centrifuge test oxygen content's connecting structure, comprising:

[0008] A base is arranged on the cover of the centrifuge, and the base has a channel penetrating through both ends thereof;

[0009] A connecting head is detachably arranged in the base, and the connecting head is connected with an oxygen content tester through a connecting pipe;

[0010] A lower cover plate is arranged in the base, and a gap exists between the periphery of the lower cover plate and the inner wall of the base;

[0011] A piston plate is movably arranged in the channel and can abut against the lower cover plate, and the middle part of the piston plate has a through hole, and the size of the through hole is smaller than the size of the bottom surface of the lower cover plate;

[0012] A lower spring is arranged between the piston plate and the inner wall of the base, and the lower spring is located on the bottom surface of the piston plate;

[0013] The inner diameter of the channel is equal to the outer diameter of the connecting head.

[0014] Optionally, the utility model further comprises:

[0015] A plurality of pressing rods are vertically arranged on the piston plate, and the pressing rods are located on the top surface of the piston plate and pass through the gap between the lower cover plate and the inner wall of the base.

[0016] Optionally, the inner side of the end of the connecting head connected with the base has a boss structure extending inward.

[0017] Optionally, further comprising:

[0018] An upper cover plate is movably arranged in the connecting head, the outer dimension of the upper cover plate is smaller than the inner diameter of the connecting head and larger than the inner diameter of the boss structure, and the upper cover plate can cover the boss structure;

[0019] An upper spring is arranged on the top surface of the upper cover plate and connected with the inner wall of the connecting head.

[0020] Optionally, the inner side of the boss structure is in an inclined surface structure, and the upper cover plate has an inclined surface matched with the boss structure.

[0021] A sealing ring is arranged on the inclined surface of the boss structure.

[0022] Optionally, a top rod is vertically arranged in the middle of the lower cover plate.

[0023] Optionally, a support ring is arranged in the base and the connecting head, and the two support rings are respectively in abutment with the end of the upper spring and the end of the lower spring.

[0024] Optionally, a positioning block is arranged on the outer wall of the connecting head.

[0025] The inner wall of the base is provided with a positioning groove in the vertical direction, and the positioning groove is L-shaped.

[0026] Compared with the prior art, the beneficial effects of the utility model are:

[0027] The base is arranged on the cover of the flat plate centrifuge, and the oxygen content tester is connected through the connecting head and the connecting pipe for testing, wherein the connecting head is detachably connected with the base, so that when the oxygen content in the centrifuge needs to be tested, the centrifuge is temporarily stopped, and the connecting head is connected to the base for testing. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0029] Figure 1 It is a structural schematic view of the utility model;

[0030] Figure 2 It is a three-dimensional structural schematic view of the connecting structure;

[0031] Figure 3 It is an internal structural schematic view of the connecting structure;

[0032] Figure 4 It is a sectional structural schematic view of the connecting structure. DETAILED DESCRIPTION

[0033] In the following, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the utility model. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0034] The following disclosure provides many different embodiments or examples for implementing different structures of the utility model. In order to simplify the disclosure of the utility model, the components and settings of specific examples are described in the following. Of course, they are only examples, and the purpose is not to limit the utility model. In addition, the utility model can repeatedly refer to numbers and / or reference letters in different examples, and such repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the utility model provides examples of various specific processes and materials, but those skilled in the art can realize the application of other processes and / or the use of other materials.

[0035] The embodiments of the utility model will be described in detail below with reference to the drawings.

[0036] Embodiment:

[0037] Referring to Figure 2 , Figure 3 and Figure 4 , the embodiment discloses a connecting structure for testing oxygen content of a centrifuge, comprising a base 1, a connecting head 2, a lower cover plate 3, a piston plate 4 and a lower spring 5, wherein, as shown in Figure 1 , the base 1 is installed on the cover body 19 of the centrifuge, the connecting head 2 is detachably connected with the base 1, the connecting head 2 is arranged on a connecting pipe 8, and the connecting pipe 8 is connected with an oxygen content tester 9.

[0038] Specifically, the base 1 has a channel 6 therein, the channel 6 penetrates through both ends of the base 1, and one end of the connecting head 2 is detachably arranged in the channel 6. After the connecting head 2 is arranged in the channel 6, a structure of airtight connection between the connecting head 2 and the base 1 is formed.

[0039] The lower cover plate 3 is arranged in the channel 6, the lower cover plate 3 is circular, the diameter of the lower cover plate 3 is smaller than the inner diameter of the channel 6, and there is a gap between the periphery of the lower cover plate 3 and the inner wall of the channel 6. Generally, the lower cover plate 3 can be connected with the inner wall of the channel 6 by a connecting member such as a connecting rod.

[0040] A piston plate 4 is also arranged in the channel 6, the middle part of the piston plate 4 has a through hole 7, the through hole 7 on the piston plate 4 is circular, and the diameter of the through hole 7 is smaller than the diameter of the lower cover. The piston plate 4 is located below the lower cover plate 3, and the piston plate 4 is slidingly connected with the inner wall of the channel 6, which is similar to the structure of a piston, so that the connection between the piston plate 4 and the inner wall of the channel 6 is kept sealed.

[0041] When the piston plate 4 is in contact with the lower cover plate 3, the through hole 7 on the piston plate 4 can be completely covered by the lower cover plate 3 and kept sealed.

[0042] One end of the lower spring 5 is connected with the side of the piston plate 4 away from the lower cover plate 3, the other end of the lower spring 5 extends downward along the length direction of the base 1, and the other end of the lower spring 5 is fixedly arranged on the inner wall of the channel 6.

[0043] In this embodiment, when the oxygen content in the centrifuge needs to be tested, the centrifuge is temporarily stopped, and the connector 2 is connected to the base 1 to perform the test. In the specific operation, after the connector 2 is inserted into the base 1, the end of the connector 2 can press the piston plate 4 downward, so as to separate the piston plate 4 from the lower cover plate 3, thereby opening the channel 6, making the inside of the flat plate centrifuge communicate with the inside of the connector 2, and detecting the oxygen content in the flat plate centrifuge by the oxygen content tester 9.

[0044] In one specific embodiment:

[0045] The connecting structure further includes a plurality of pressing rods 10, all the pressing rods 10 are arranged on the piston plate 4, and all the pressing rods 10 are perpendicularly connected with the piston plate 4. The pressing rods 10 are arranged on the top surface of the piston plate 4, and the pressing rods 10 pass through the gap between the lower cover plate 3 and the inner wall of the base 1.

[0046] By arranging the pressing rods 10 on the piston plate 4, when the connector 2 is inserted into the base 1, the end of the connector 2 abuts against the top end of the pressing rod 10, and in the process of continuously moving the connector 2 into the base 1, the piston plate 4 is driven to move away from the lower cover plate 3 by the pressing rod 10, thereby achieving the purpose of opening the channel 6.

[0047] Preferably, the inside of the end of the connector 2, which can be connected with the base 1, has an inwardly extending boss structure 11, by which the area of the end of the connector 2 is increased, so that the end of the connector 2 can better abut against the end of the pressing rod 10.

[0048] In another specific embodiment,

[0049] The connecting structure further comprises an upper cover plate 12 and an upper spring 13, wherein the upper cover plate 12 is movably arranged in the connecting head 2, the upper cover plate 12 is circular, and the outer diameter of the upper cover plate 12 is smaller than the inner diameter of the connecting head 2 and larger than the inner diameter of the boss structure 11, and the upper cover plate 12 can completely cover the boss structure 11.

[0050] One end of the upper spring 13 is fixedly connected to the upper cover plate 12, and the other end extends upward away from the upper cover plate 12, so that the upper spring 13 can press the upper cover plate 12 on the boss structure 11.

[0051] In this embodiment, by arranging the upper cover plate 12 and the upper spring 13, the end of the connecting pipe 8 can be sealed when the oxygen content tester 9 is not detecting, so that the inside of the connecting pipe 8 can maintain a low oxygen content state, thereby avoiding the influence of oxygen in the connecting pipe 8 on the test result when detecting the oxygen content, and reducing the error of the test result.

[0052] Preferably, a top rod 14 is vertically arranged in the middle of the lower cover plate 3, and by arranging the top rod 14, when the connecting head 2 is inserted into the base 1, the top rod 14 can lift the upper cover plate 12, so that the upper cover plate 12 is separated from the boss structure 11, thereby opening the end of the connecting head 2.

[0053] In another specific embodiment,

[0054] The inner side of the boss structure 11 is an inclined surface structure, and the upper cover plate 12 has an inclined surface matched with the boss structure 11, and the inclined surface of the boss structure 11 is provided with a sealing ring 15. Through this design, the airtightness between the boss structure 11 and the upper cover plate 12 can be improved.

[0055] In another specific embodiment,

[0056] A support ring 16 is arranged in the base 1 and the connecting head 2, and the two support rings 16 respectively abut against the ends of the upper spring 13 and the lower spring 5. The support ring 16 is arranged to support the upper spring 13 and the lower spring 5.

[0057] In another specific embodiment,

[0058] A positioning block 17 is arranged on the outer wall of the connecting head 2. A positioning groove 18 is arranged on the inner wall of the base 1 in the vertical direction, the positioning groove 18 is L-shaped, and one end of the positioning groove 18 with the corner is away from the top end of the base 1, and the other end of the positioning groove 18 is located on the top end of the base 1.

[0059] In the embodiment, the positioning block 17 is matched with the positioning groove 18 when the connecting head 2 is connected with the base 1, and the base 1 is stably connected with the connecting head 2 by rotating the connecting head 2 after the connecting head 2 is inserted into the base 1 by a certain distance.

[0060] The connecting structure for testing oxygen content of the centrifuge disclosed in the above embodiment is matched with the positioning groove 18 by the positioning block 17 in use, and the connecting head 2 is inserted into the base 1, the end of the connecting head 2 is abutted against the top end of the pressing rod 10 in the process of inserting the connecting head 2 into the base 1, the piston plate 4 is driven to move away from the lower cover plate 3 by the pressing rod 10, and the channel 6 is opened. In the process, the top rod 14 can lift the upper cover plate 12 to separate the upper cover plate 12 from the boss structure 11, so as to open the end of the connecting head 2, and the inside of the flat plate centrifuge is communicated with the inside of the connecting head 2, so that the oxygen content in the flat plate centrifuge is detected by the oxygen content tester 9. The base 1 is stably connected with the connecting head 2 by rotating the connecting head 2 after the connecting head 2 is inserted into the base 1 by a certain distance.

[0061] When the test is completed, the connecting head 2 is reversely rotated to be taken off from the base 1, and at this time, the upper cover plate 12 in the connecting head 2 is abutted against the boss structure 11 again under the action of the upper spring 13, so as to ensure the low-oxygen environment in the connecting pipe 8. The piston plate 4 in the base 1 is abutted against the lower cover plate 3 under the action of the lower spring 5, so as to ensure the low-oxygen environment in the flat plate centrifuge.

[0062] The above embodiment only expresses the specific implementation of the present application, and the description is more specific and detailed, but it cannot be understood as the limitation of the patent scope of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application.

Claims

1. A centrifuge test oxygen content connection structure, characterized by, The utility model relates to a centrifuge oxygen content testing connection structure, including: The base is located on the cover of centrifuge, and the channel is through two ends of the base; The connecting head is detachably arranged in the base, and the connecting head is connected with the oxygen content tester through a connecting pipe; The lower cover plate is arranged in the base, and the gap exists between the periphery of the lower cover plate and the inner wall of the base; The piston plate is movably arranged in the channel and can abut against the lower cover plate, and the middle part of the piston plate has a through hole, and the size of the through hole is smaller than the size of the bottom surface of the lower cover plate; The lower spring is arranged between the piston plate and the inner wall of the base, and the lower spring is located on the bottom surface of the piston plate; The inner diameter of the channel is equal to the outer diameter of the connecting head.

2. The centrifuge test oxygen content connection structure according to claim 1, wherein Further including: A plurality of pressing rods are vertically arranged on the piston plate, and the pressing rods are located on the top surface of the piston plate and pass through the gap between the lower cover plate and the inner wall of the base.

3. The centrifuge test oxygen content connection of claim 2, wherein, The inner side of the end, which can be connected with the base, of the connecting head has a convex structure extending inward.

4. The centrifuge test oxygen content connection of claim 3, wherein, Further including: The upper cover plate is movably arranged in the connecting head, the outer size of the upper cover plate is smaller than the inner diameter of the connecting head and larger than the inner diameter of the convex structure, and the upper cover plate can cover the convex structure; The upper spring is arranged on the top surface of the upper cover plate and connected with the inner wall of the connecting head.

5. The centrifuge oxygen content testing connection structure according to claim 4, wherein The inner side of the convex structure is in the form of an inclined surface structure, and the upper cover plate has an inclined surface matched with the convex structure; The inclined surface of the convex structure is provided with a sealing ring.

6. The centrifuge test oxygen content connection of claim 5, wherein, The top rod is vertically arranged in the middle part of the lower cover plate.

7. The centrifuge test oxygen content connection of claim 6, wherein, A support ring is arranged in the base and the connecting head, and the end of the upper spring and the end of the lower spring are respectively abutted against the two support rings.

8. The centrifuge oxygen content testing connection structure according to any one of claims 1-7, wherein The outer wall of the connecting head is provided with a positioning block; The inner wall of the base is provided with a positioning groove in the vertical direction, and the positioning groove is in the form of L.

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