CN211827809U - Side seal calorimeter with fault-tolerant structure - Google Patents
Side seal calorimeter with fault-tolerant structure Download PDFInfo
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- CN211827809U CN211827809U CN202020851488.XU CN202020851488U CN211827809U CN 211827809 U CN211827809 U CN 211827809U CN 202020851488 U CN202020851488 U CN 202020851488U CN 211827809 U CN211827809 U CN 211827809U
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- sealing ring
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Abstract
The utility model provides a side sealing calorimeter with a fault-tolerant structure, which comprises an outer cylinder (1), an inner cylinder (2), a gasket (3), a rubber cover (6), a sealing ring (7), a gap (8) and a ring groove (9); the rubber cover (6) is a step-shaped cylinder made of hard rubber, the upper part of the rubber cover (6) is a cylinder with a larger diameter, a circular groove (9) is formed in the cylinder with a smaller diameter at the lower part along the circumferential direction, the sealing ring (7) is a hollow circular ring made of soft rubber materials, the sealing ring (7) is embedded into the circular groove (9) in the rubber cover (6), when the rubber cover (6) covers the calorimeter, the sealing ring (7) slides into the inner side of the outer cylinder (1) along the arc surface at the upper edge of the outer cylinder (1), the lower end surface of the rubber cover (6) presses on the arc edge at the upper edge of the inner cylinder (2) to seal the inner cylinder (2), and meanwhile, the sealing ring (7) is compressed by the inner side surface of the outer cylinder (1) to seal the outer cylinder (1), so that the heat exchange between the calorimeter system.
Description
Technical Field
The utility model relates to a teaching instrument especially relates to a sealed calorimeter with fault-tolerant structure.
Background
The calorimeter is a thermal insulation device used for measuring the heat change condition in the system. A calorimeter commonly used in physical experiments is shown in FIG. 1: the outer cylinder 1 and the inner cylinder 2 are directly contacted and sealed with the rubber cover 6, a non-flowing air layer is formed between the outer cylinder 1 and the inner cylinder 2 to reduce heat conduction with the outside, and the rubber cover 6 is provided with a stirrer jack 4 and a thermometer jack 5. The calorimeter has the problems that the rubber cover 6 needs to be contacted with the upper edges of the outer cylinder 1 and the inner cylinder 2 at the same time to ensure sealing, which is unreasonable in structural design, actually, due to the problems of manufacturing precision, thermal expansion and the like, the upper edges of the outer cylinder 1 and the inner cylinder 2 are difficult to ensure to be just in close contact with the corresponding parts of the rubber cover 6, and one of the outer cylinder 1 and the inner cylinder 2 must be not tightly closed, which is an important reason that the calorimeter is difficult to ensure sealing. Such a design requires the calorimeter to be free of manufacturing tolerances and does not take into account thermal expansion non-uniformities and operator error.
Therefore, the structure of the calorimeter in the prior art is unreasonable, so that the system and the outside generate large heat exchange, and the measurement is not accurate enough.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem that exists among the background art, the utility model provides a side seal calorimeter with fault-tolerant structure, the sealed not tight that leads to and each part thermal energy is inhomogeneous can realize automatically regulated to the calorimeter for the calorimeter system keeps sealed, has superstrong fault-tolerant rate, and the simple operation is favorable to the operator to accomplish the operation rapidly, falls to minimumly with the heat exchange of system and external world. The specific technical scheme is as follows:
a side sealing calorimeter with a fault-tolerant structure is shown in figure 2 and comprises an outer cylinder 1, an inner cylinder 2, a gasket 3, a rubber cover 6, a sealing ring 7 and a ring groove 9.
The outer barrel 1 and the inner barrel 2 are cylinders with closed bottom ends, the upper edge of the barrel opening extends outwards to form an arc shape, the inner barrel 2 is arranged at the bottom in the outer barrel 1 through a heat-insulating gasket 3, and a uniform air layer is reserved between the inner barrel 2 and the outer barrel 1.
The rubber cover 6 is a stepped cylinder, the upper part of the rubber cover 6 is a cylinder with a larger diameter, the lower part of the rubber cover is a cylinder with a smaller diameter, and the side surface of the cylinder at the lower part is provided with a ring groove 9 along the circumferential direction.
Further, the rubber cover 6 is made of hard rubber materials, and is provided with a stirrer jack 4 and a thermometer jack 5.
Furthermore, the outer side surface of the sealing ring 7 is coated with a small amount of lubricant, so that the rubber cover 6 can freely slide up and down along the inner wall of the outer cylinder 1.
Furthermore, after the inner cylinder 2 is sealed by the rubber cover 6, a gap 8 still exists between the upper edge of the outer cylinder 1 and the lower surface of the cylinder with the larger diameter at the upper part of the rubber cover 6, so that the rubber cover 6 can reliably seal the inner cylinder 2, and a non-flowing air layer is formed between the outer cylinder 1 and the inner cylinder 2.
Further, the seal ring 7 is made of a soft rubber material. It will be understood by those skilled in the art that "made of a soft rubber material" does not exclude the proper addition of other materials in the seal ring.
Furthermore, a flexible sealing layer is arranged on the lower end face of the rubber cover 6, so that the fault tolerance of the processing precision of the upper edge of the inner cylinder 2 is improved. The flexible sealing layer may be made of the same material as the gasket 7.
The utility model provides a pair of side seal calorimeter with fault-tolerant structure's beneficial effect is: (1) the defect of the calorimeter in the structural design in the background art is overcome, the difficult-to-reach contact sealing between the outer cylinder 1 and the inner cylinder 2 and the rubber cover 6 in the same direction is converted into the sealing mode of the inner cylinder 2, and the outer cylinder 1 and the rubber cover 6 are sealed on the side surface. The outer cylinder 1 and the inner cylinder 2 are sealed by the same rubber cover 6, the rubber cover 6 and the inner cylinder 2 are not interfered with each other, the height of the upper edge of the inner cylinder 2 is allowed to change within a certain range, the rubber cover 6 and the sealing ring 7 can ensure that the inner cylinder 2 and the outer cylinder 1 are sealed at the same time, the structure of the calorimeter has larger fault-tolerant rate, and no principle error exists in the structure; (2) the operation is convenient and fast, the dynamic sealing performance is good, the rubber cover 6 only needs to be taken out of or covered on the calorimeter at one time, the calorimeter can be opened or closed by one-time operation, the opening or sealing of the calorimeter can be completed without any adjustment or alignment operation and other operations, and the experiment with short operation measurement time can be completed smoothly.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic diagram of a calorimeter commonly used in the prior art.
Fig. 2 is a schematic structural diagram of a side seal calorimeter with a fault-tolerant structure according to an embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view of a rubber cover of a side seal calorimeter with a fault-tolerant structure according to the present invention.
In the figure: 1. an outer cylinder; 2. an inner barrel; 3. a gasket; 4. a stirrer jack; 5. a thermowell; 6. a rubber cover; 7. a seal ring; 8. a gap; 9. and a ring groove.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
A side seal calorimeter with a fault tolerant architecture, as shown in fig. 2, comprising: the outer cylinder 1, the inner cylinder 2, the packing ring 3, agitator jack 4, thermometer jack 5, the rubber cover 6, sealing washer 7, annular 9, wherein sealing washer 7 is the hollow ring shape of making with soft rubber material, can not deviate from in the annular 9 on the rubber cover 6 of sealing washer 7 embedding, when the rubber cover 6 lid is on the calorimeter, the circular arc surface that sealing washer 7 followed on the outer cylinder 1 slides into the inboard of outer cylinder 1, the terminal surface presses the circular arc edge on the inner cylinder 2 and seals up the inner cylinder 2 under the rubber cover 6, simultaneously sealing washer 7 is compressed and is sealed up the outer cylinder 1, need be sealed with the contact of rubber cover 6 with inner cylinder 2 in the same direction with outer cylinder 1, convert into the side seal between rubber cover 6 and outer cylinder 1, the two mutually noninterfere.
The sealing ring 7 is of a hollow structure, so that the sealing ring is easier to compress and deform and is easy to recover after deformation, and a small amount of lubricant is coated on the outer side surface of the sealing ring 7 during use, so that the sealing ring 7 can freely slide up and down along the inner wall of the outer barrel 1. After the inner cylinder 2 is sealed by the rubber cover 6, a gap 8 still exists between the upper edge of the outer cylinder 1 and the lower surface of the cylinder with the larger diameter at the upper part of the rubber cover 6, so that the inner cylinder 2 is reliably sealed by the rubber cover 6, a nonflowable air layer is formed between the outer cylinder 1 and the inner cylinder 2, and heat exchange between a calorimeter system and the outside due to air convection is greatly reduced.
In another embodiment, the lower end face of the rubber cover 6 is further provided with a flexible sealing layer, so that reliable sealing can be realized even if the upper edge of the inner cylinder 2 has large manufacturing errors.
In actual operation, the sealing ring 7 is sleeved in the cylindrical ring groove 9 at the lower part of the rubber cover 6, then the handle of the stirrer and the thermometer used for the experiment are inserted into the stirrer jack 4 and the thermometer jack 5, then the substance to be measured (which needs to be prepared additionally) is placed into the inner cylinder 2, and the combined rubber cover 6 is rapidly covered on the calorimeter at one time, so that the measurement work can be carried out. When the calorimeter is opened, the rubber cover 6 is lifted upwards to finish the operation at one time, if the phenomenon of unsmooth slip exists between the sealing ring 7 and the inner wall of the outer cylinder 1, the outer cylinder 1 of the calorimeter can be slightly held by the other hand, the operation is simple and stable, the operation time cannot be prolonged due to the complex operation, or the measured substances cannot spill out due to the difficult operation to cause quality loss, so that the accuracy of the measurement result is not influenced.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. A side sealing calorimeter with a fault-tolerant structure is characterized by comprising an outer cylinder (1), an inner cylinder (2), a gasket (3), a rubber cover (6), a sealing ring (7) and a ring groove (9);
the outer cylinder (1) and the inner cylinder (2) are cylinders with closed bottom ends, the upper edge of a cylinder opening extends outwards to form an arc shape, the inner cylinder (2) is arranged at the bottom in the outer cylinder (1) through a heat-insulating gasket (3), and a uniform air layer is reserved between the inner cylinder (2) and the outer cylinder (1);
the rubber cover (6) is a stepped cylinder, the upper part of the rubber cover (6) is a cylinder with a larger diameter, the lower part of the rubber cover is a cylinder with a smaller diameter, and the side surface of the cylinder at the lower part is provided with a ring groove (9) along the circumferential direction;
the sealing ring (7) is a hollow circular ring, the sealing ring (7) is embedded into a circular groove (9) on the side surface of the lower part of the rubber cover (6) and cannot be separated, when the rubber cover (6) covers the calorimeter, the sealing ring (7) slides into the inner side of the outer cylinder (1) along the circular arc surface on the upper edge of the outer cylinder (1), the lower end surface of the rubber cover (6) presses on the circular arc edge on the upper edge of the inner cylinder (2) to seal the inner cylinder (2), and meanwhile, the sealing ring (7) is compressed by the inner side surface of the outer cylinder (1) to seal the outer cylinder (1);
after the inner cylinder (2) is sealed by the rubber cover (6), a gap (8) is formed between the upper edge of the outer cylinder (1) and the lower surface of the cylinder with the larger diameter at the upper part of the rubber cover (6), and a non-flowing air layer is formed between the outer cylinder (1) and the inner cylinder (2).
2. The side seal calorimeter with a fault-tolerant structure according to claim 1, wherein the rubber cover (6) is made of a hard rubber material, and the rubber cover (6) is provided with a stirrer insertion hole (4) and a thermometer insertion hole (5).
3. The side seal calorimeter with a fault-tolerant architecture according to claim 1, wherein the outer surface of the sealing ring (7) is coated with a small amount of lubricant.
4. The side seal calorimeter with a fault-tolerant configuration of claim 1, wherein the sealing ring (7) is made of a soft rubber material.
5. The side seal calorimeter with a fault-tolerant structure of claim 1, wherein a flexible sealing layer is provided on the lower end face of the rubber cover (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020851488.XU CN211827809U (en) | 2020-05-20 | 2020-05-20 | Side seal calorimeter with fault-tolerant structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020851488.XU CN211827809U (en) | 2020-05-20 | 2020-05-20 | Side seal calorimeter with fault-tolerant structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211827809U true CN211827809U (en) | 2020-10-30 |
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ID=73021174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020851488.XU Expired - Fee Related CN211827809U (en) | 2020-05-20 | 2020-05-20 | Side seal calorimeter with fault-tolerant structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211827809U (en) |
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2020
- 2020-05-20 CN CN202020851488.XU patent/CN211827809U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201030 Termination date: 20210520 |