CN211374637U - Box door opening and closing mechanism in gas chromatograph - Google Patents
Box door opening and closing mechanism in gas chromatograph Download PDFInfo
- Publication number
- CN211374637U CN211374637U CN201922039372.6U CN201922039372U CN211374637U CN 211374637 U CN211374637 U CN 211374637U CN 201922039372 U CN201922039372 U CN 201922039372U CN 211374637 U CN211374637 U CN 211374637U
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- gas chromatograph
- casing
- connecting cover
- closing mechanism
- door
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Abstract
The utility model provides a chamber door mechanism that opens and shuts among gas chromatograph belongs to mechanical technical field. It has solved prior art and has had the poor problem of stability. This chamber door mechanism that opens and shuts among gas chromatograph is located between casing and the chamber door, including connecting cover, guide bar and spring, above-mentioned guide bar links firmly in the casing outside and above-mentioned guide bar and opening symmetry be located casing both sides department, the connecting cover is U-shaped and the casing inlays in connecting cover department, and the open end of casing is unanimous with the U-shaped open end orientation of connecting cover, and above-mentioned chamber door swing joint is in the U-shaped opening end department of connecting cover, and above-mentioned spring housing is on the guide bar and the both ends of spring are used in on casing and connecting cover respectively. The box door opening and closing mechanism in the gas chromatograph has high stability.
Description
Technical Field
The utility model belongs to the technical field of machinery, a chamber door mechanism that opens and shuts among gas chromatograph is related to.
Background
The gas chromatograph comprises a shell and a box door, wherein the shell is internally provided with a cavity and an opening at the side part of the cavity, the box door is hinged on the shell, and the opening of the shell can be closed by the box door.
In order to ensure the connection stability in the closed state between the box door and the housing, a latch structure is usually required to be disposed between the box door and the housing.
Although the latch structure can maintain the door and the housing in a stable, locked connection, the connection sealing performance between the door and the housing cannot be ensured.
Disclosure of Invention
The utility model aims at the above-mentioned problem that prior art exists, provide a chamber door mechanism that opens and shuts among high and compact structure's gas chromatograph of stability.
The purpose of the utility model can be realized by the following technical proposal:
the utility model provides a chamber door mechanism that opens and shuts among gas chromatograph, gas chromatograph include that inside is cavity and lateral part open-ended casing, casing department is connected with the chamber door that can the switching, its characterized in that, and this mechanism that opens and shuts is located between casing and the chamber door, including connecting cover, guide bar and spring, above-mentioned guide bar links firmly in the casing outside and the position that is located casing both sides department of above-mentioned guide bar and opening symmetry, the connecting cover is U-shaped and casing and inlays in connecting cover department, and the open end of casing is unanimous with the U-shaped open end orientation of connecting cover, and above-mentioned chamber door swing joint is in the U-shaped open end department of connecting cover, and above-mentioned spring housing is on the guide bar and the both ends of spring are used in.
Because the box door is connected at the U-shaped port of the connecting cover and receives the elastic force of the spring, the box door can always have the tendency of being attached to the opening of the shell, and the connection stability between the box door and the shell is ensured.
Of course, the connecting cover can be stably translated relative to the shell under the action of the guide rod, and the stability is high.
In the above described door opening and closing mechanism for a gas chromatograph, both sides of the opening of the housing are flat contact surfaces, and the U-shaped inner side of the connecting cover is in surface contact with the contact surfaces.
The U-shaped inner side of the connecting cover is in surface contact with the contact surface, and the structure can further improve the connection stability between the shell and the cover shell.
In the above door opening and closing mechanism of the gas chromatograph, the guide rod and the housing are integrated.
In the above-mentioned door opening and closing mechanism of a gas chromatograph, the guide rod is located at the middle of the housing.
Therefore, the structure compactness of the whole mechanism can be improved, the middle part of the connecting cover is stably guided, and the stability of the connecting cover is properly improved.
In the above-mentioned box door opening and closing mechanism in the gas chromatograph, the U-shaped port of the connecting cover has a first connecting hole and a second connecting hole which are penetrated through, and the box door is flat and two ends of the box door are respectively embedded in the first connecting hole and the second connecting hole.
The two ends of the box door are respectively embedded in the first connecting hole and the second connecting hole, and the box door and the connecting cover can be stably connected through the structure.
In the above door opening and closing mechanism of the gas chromatograph, the size of the door is larger than the size of the opening end of the housing.
In the above door opening and closing mechanism of the gas chromatograph, the first connecting hole is slightly larger than the door.
In the above door opening and closing mechanism of the gas chromatograph, the size of the second connecting hole is slightly larger than that of the door.
In the above described box door opening and closing mechanism in the gas chromatograph, the opening end of the housing is connected to the seal ring.
In the above described box door opening and closing mechanism in a gas chromatograph, the open end of the housing has a recessed connection groove, and the seal ring is fitted to the connection groove.
The sealing performance between the box door and the shell can be effectively improved through the sealing ring.
Compared with the prior art, the door opening and closing mechanism in the gas chromatograph always has the trend of sealing and closing the opening of the shell under the action of the elastic force of the spring, so that the stability of the closed state of the color chromatograph is improved.
Meanwhile, the connecting cover is coated outside the shell, so that the occupied space is small, the structure compactness of the connecting cover is effectively improved, and the connecting cover has high practical value.
Drawings
Fig. 1 is a schematic sectional view of a door opening/closing mechanism of a gas chromatograph.
In the figure, 1, a housing; 1a, a contact surface; 1b, connecting grooves; 2. a box door; 3. a connecting cover; 3a, connecting a hole I; 3b, connecting a hole II; 4. a guide bar; 5. a spring; 6. and (5) sealing rings.
Detailed Description
As shown in fig. 1, the gas chromatograph includes a housing 1 having a cavity therein and an opening at a side portion, and a door 2 capable of opening and closing is connected to the housing 1.
This chamber door mechanism that opens and shuts among gas chromatograph is located between casing 1 and chamber door 2, including connecting cover 3, guide bar 4 and spring 5, above-mentioned guide bar 4 links firmly in 1 outside of the casing and 1 both sides department of casing that is located of above-mentioned guide bar 4 and opening symmetry, connecting cover 3 is U-shaped and casing 1 inlays in connecting cover 3 department, and the open end of casing 1 is unanimous with the U-shaped open end orientation of connecting cover 3, and 2 swing joint of above-mentioned chamber door are located the U-shaped open end department of connecting cover 3, and above-mentioned spring 5 overlaps on guide bar 4 and the both ends of spring 5 are used in casing 1 and connecting cover 3 respectively.
Two sides of the opening of the shell 1 are planar contact surfaces 1a, and the U-shaped inner side of the connecting cover 3 keeps surface contact with the contact surfaces 1 a.
The guide rod 4 and the shell 1 are of an integrated structure.
The guide bar 4 is located at the middle of the housing 1.
The U-shaped port of the connecting cover 3 is provided with a first connecting hole 3a and a second connecting hole 3b which penetrate through the U-shaped port, the box door 2 is flat, and two ends of the box door 2 are embedded in the first connecting hole 3a and the second connecting hole 3b respectively.
The size of the box door 2 is larger than that of the opening end of the shell 1.
The size of the first connecting hole 3a is slightly larger than that of the box door 2.
The size of the second connecting hole 3b is slightly larger than that of the box door 2.
The open end of the housing 1 is connected with a sealing ring 6.
The open end of the housing 1 has a recessed coupling groove 1b, and the sealing ring 6 is fitted to the coupling groove 1 b.
Because the box door is connected at the U-shaped port of the connecting cover and receives the elastic force of the spring, the box door can always have the tendency of being attached to the opening of the shell, and the connection stability between the box door and the shell is ensured.
Of course, the connecting cover can be stably translated relative to the shell under the action of the guide rod, and the stability is high.
Claims (10)
1. The utility model provides a chamber door mechanism that opens and shuts among gas chromatograph, gas chromatograph include that inside is cavity and lateral part open-ended casing, casing department is connected with the chamber door that can the switching, its characterized in that, and this mechanism that opens and shuts is located between casing and the chamber door, including connecting cover, guide bar and spring, above-mentioned guide bar links firmly in the casing outside and the position that is located casing both sides department of above-mentioned guide bar and opening symmetry, the connecting cover is U-shaped and casing and inlays in connecting cover department, and the open end of casing is unanimous with the U-shaped open end orientation of connecting cover, and above-mentioned chamber door swing joint is in the U-shaped open end department of connecting cover, and above-mentioned spring housing is on the guide bar and the both ends of spring are used in.
2. A door opening and closing mechanism for a gas chromatograph according to claim 1, wherein the two sides of the opening of the housing are flat contact surfaces, and the U-shaped inner side of the connecting cover is in contact with the contact surfaces.
3. A door opening and closing mechanism in a gas chromatograph according to claim 2, wherein the guide rod is of an integral structure with the housing.
4. A door opening and closing mechanism in a gas chromatograph according to claim 3, wherein the guide rod is located at a middle portion of the housing.
5. The door opening and closing mechanism for a gas chromatograph of claim 4, wherein the U-shaped port of the connecting cover has a first connecting hole and a second connecting hole therethrough, the door is flat and both ends of the door are respectively inserted into the first connecting hole and the second connecting hole.
6. A door opening and closing mechanism in a gas chromatograph according to claim 5, wherein the door has a size larger than the size of the open end of the housing.
7. The chamber door opening and closing mechanism in a gas chromatograph of claim 6, wherein the first attachment hole has a size slightly larger than a size of the chamber door.
8. The door opening and closing mechanism for a gas chromatograph of claim 7, wherein the second connecting hole is slightly larger than the door.
9. A door opening and closing mechanism for a gas chromatograph according to claim 8, wherein a gasket is attached to the open end of the housing.
10. A door opening and closing mechanism for a gas chromatograph according to claim 9, wherein the open end of the housing has a recessed coupling groove, and the gasket is fitted to the coupling groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922039372.6U CN211374637U (en) | 2019-11-21 | 2019-11-21 | Box door opening and closing mechanism in gas chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922039372.6U CN211374637U (en) | 2019-11-21 | 2019-11-21 | Box door opening and closing mechanism in gas chromatograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211374637U true CN211374637U (en) | 2020-08-28 |
Family
ID=72153028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922039372.6U Active CN211374637U (en) | 2019-11-21 | 2019-11-21 | Box door opening and closing mechanism in gas chromatograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211374637U (en) |
-
2019
- 2019-11-21 CN CN201922039372.6U patent/CN211374637U/en active Active
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