CN215767513U - Flexible structure of intermediate body air tightness test bed - Google Patents
Flexible structure of intermediate body air tightness test bed Download PDFInfo
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- CN215767513U CN215767513U CN202121587846.1U CN202121587846U CN215767513U CN 215767513 U CN215767513 U CN 215767513U CN 202121587846 U CN202121587846 U CN 202121587846U CN 215767513 U CN215767513 U CN 215767513U
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Abstract
The utility model discloses a flexible structure of an intermediate body air tightness test bed, which comprises a sealing plate, wherein the bottom of the sealing plate is provided with a first groove, a first ball body is movably connected in the first groove, and one side of the ball body is provided with a connector connected with a piston end of an air cylinder; according to the utility model, the rotatable sealing plate is arranged, and when the sealing plate is attached to the intermediate body, the angle of the sealing plate can be adjusted, so that the sealing plate is closely attached to some intermediate bodies with the bottom surfaces not perpendicular to the side walls.
Description
Technical Field
The utility model relates to the field of airtightness detection, in particular to a flexible structure of an intermediate airtightness test bed.
Background
The brake device is an important component of the railway wagon, and the purpose of the overhaul of the wagon brake device is to restore the performance of the brake device. The intermediate body is used as an important connecting piece in the air brake device of the truck, and an air tightness test is required to be carried out during maintenance, so that the cavities and passages cannot be communicated or leaked.
At present, when the air tightness of 120/120-1 inner valve body parts is tested, the situation that the installation surfaces of the intermediate body are not vertical to cause the sealing plate and the intermediate body to be attached untight possibly exists, and the air tightness test is influenced.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model provides a flexible structure of an intermediate body air tightness test bed, which has the advantage that the angle of a sealing plate can be adjusted, so that the sealing plate is attached to some intermediate bodies with the bottom surfaces not perpendicular to the side walls.
The technical scheme of the utility model is as follows:
the utility model provides a flexible construction of midbody gas tightness test platform, includes the closing plate, the bottom of closing plate is equipped with first recess, and swing joint has first spheroid in the first recess, spheroidal one side is equipped with the connector of being connected with cylinder piston end.
The working principle of the technical scheme is as follows:
the cylinder works to drive the sealing plate to advance, and when the sealing plate is contacted with the side face of the intermediate body, if the side face of the intermediate body is an inclined face, the first ball body rotates in the first groove under the action of external force during fitting, so that the angle of the sealing plate is adjusted.
According to the utility model, the rotatable sealing plate is arranged, and when the sealing plate is attached to the intermediate body, the angle of the sealing plate can be adjusted, so that the sealing plate is closely attached to some intermediate bodies with the bottom surfaces not perpendicular to the side walls.
In a further technical scheme, a guide plate is further arranged on one side, provided with a groove, of the sealing plate, a through hole for the connector to pass through is formed in the guide plate, and a plurality of guide columns are further arranged on the guide plate.
Through setting up deflector and guide post, when the cylinder during operation, play the spacing effect of direction.
In a further technical scheme, the guide plate is further provided with a plurality of guide pins, one ends of the guide pins penetrate through the guide plate and are connected with second balls, and the bottom of the sealing plate is provided with a plurality of second grooves corresponding to the second balls respectively.
Set up uide pin and second spheroid for the closing plate can only vertical direction change angle, and is inseparabler with the laminating of midbody.
In a further technical scheme, springs are respectively arranged on all the guide pins.
Due to the action of gravity, the sealing plate can droop in a natural state, and the spring is arranged for correcting the direction and playing a role in adjustment.
In a further technical scheme, a mounting plate is arranged between the guide plate and the sealing plate, a screw is arranged in the mounting plate, one end of the screw penetrates through the mounting plate, the sealing plate is provided with a screw hole matched with the screw, and the diameter of the screw hole is larger than that of the screw.
The diameter of screw is greater than the diameter of screw for the closing plate can change the angle, and under the normal conditions, the angle that the lateral wall of midbody has is very little, and the closing plate only needs slightly to change the angle can laminate with the midbody completely, and screw and mounting panel can play spacing effect, prevent that the closing plate angular deflection is too big.
The utility model has the beneficial effects that:
1. according to the utility model, the rotatable sealing plate is arranged, and when the sealing plate is attached to the intermediate body, the angle of the sealing plate can be adjusted, so that the sealing plate is closely attached to some intermediate bodies with the bottom surfaces not perpendicular to the side walls;
2. by arranging the guide plate and the guide column, the guide limiting effect is achieved when the air cylinder works;
3. the guide pin and the second ball are arranged, so that the sealing plate can only change the angle in the vertical direction and is attached to the intermediate body more tightly;
4. the sealing plate can droop in a natural state under the action of gravity, and the spring is arranged for correcting the direction and playing a role in adjustment;
5. the screw and the mounting plate can play a limiting role, and the sealing plate is prevented from being excessively deviated in angle.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a flexible structure of an intermediate gas tightness test bed according to an embodiment of the utility model;
figure 2 is a cross-sectional view of a compliant structure of an intermediate air-tight test bed according to an embodiment of the present invention.
Description of reference numerals:
10. a sealing plate; 11. a first groove; 12. a first sphere; 13. a connector; 14. a guide plate; 15. a guide pin; 16. a second sphere; 17. a second groove; 18. a spring; 19. mounting a plate; 20. and a guide post.
Detailed Description
The embodiments of the present invention will be further described with reference to the accompanying drawings.
Example (b):
as shown in fig. 1-2, a flexible structure of an intermediate body air tightness test bed comprises a sealing plate 10, wherein a first groove 11 is formed in the bottom of the sealing plate 10, a first ball 12 is movably connected in the first groove 11, a connector 13 connected with a piston end of an air cylinder is arranged on one side of the ball, the sealing plate 10 is provided with a cavity, the cavity penetrates through the sealing plate 10, an inlet of the cavity is located on the side wall of the sealing plate 10 and is connected with an air source through a pipeline, an outlet of the cavity is located at the top of the sealing plate 10 and is aligned with a cavity (emergency chamber) of the intermediate body, and the sealing plate 10 is provided with a hole for being matched with the end face of the intermediate body.
The working principle of the technical scheme is as follows:
when the cylinder works to drive the sealing plate 10 to advance, and the sealing plate 10 is contacted with the side surface of the intermediate body, if the side surface of the intermediate body is an inclined surface, when the sealing plate is attached, the first ball 12 rotates in the first groove 11 under the action of external force, so that the angle of the sealing plate 10 is adjusted.
In this embodiment, according to the above technical solution, when the sealing plate 10 is attached to the intermediate body where the bottom surface and the side wall are not perpendicular, the angle of the sealing plate 10 can be adjusted, so that the sealing plate 10 is closely attached to the intermediate body where some side walls are inclined surfaces.
In another embodiment, as shown in fig. 1-2, a guide plate 14 is further disposed on one side of the sealing plate 10 having the groove, the guide plate 14 is provided with a through hole for passing the connecting head 13, 2 guide posts 20 are further disposed on the guide plate 14, one end of each of the two guide posts 20 is fixed to the housing, and the two guide posts 20 are symmetrically disposed on two sides of the guide plate 14.
In this embodiment, the guide plate 14 and the guide post 20 are provided to play a role of guiding and limiting when the cylinder operates.
In another embodiment, as shown in fig. 2, the guide plate 14 is further provided with 2 guide pins 15, one end of each of the guide pins 15 penetrates through the guide plate 14 to be connected with a second ball 16, the bottom of the sealing plate 10 is provided with 2 second grooves 17 corresponding to the second balls 16, respectively, and the centers of the second balls 16 and the first balls 12 are located on a straight line parallel to the length direction of the guide plate 14.
In this embodiment, the guide pin 15 and the second ball 16 are provided so that the sealing plate 10 can be attached to the intermediate body more tightly by changing the angle only in the vertical direction.
In another embodiment, as shown in fig. 2, all the guide pins 15 are provided with springs 18, respectively.
In this embodiment, the sealing plate 10 may hang down in a natural state due to gravity, and a spring 18 is provided to correct the direction and perform an adjustment function.
In another embodiment, as shown in fig. 1-2, a mounting plate 19 is disposed between the guide plate 14 and the sealing plate 10, the mounting plate 19 has an area smaller than that of the guide plate 14 and the sealing plate 10, a screw is disposed in the mounting plate 19, one end of the screw penetrates through the mounting plate 19, and the sealing plate 10 has a screw hole matched with the screw, and the diameter of the screw hole is larger than that of the screw.
In this embodiment, the diameter of screw is greater than the diameter of screw for sealing plate 10 can change the angle, and under the normal conditions, the angle that the lateral wall of midbody has is very little, and sealing plate 10 only needs slightly to change the angle can laminate with the midbody completely, and screw and mounting panel 19 can play spacing effect, prevent that sealing plate 10 angular deviation is too big.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (5)
1. The utility model provides a flexible construction of midbody gas tightness test platform which characterized in that, includes the closing plate, the bottom of closing plate is equipped with first recess, and swing joint has first spheroid in the first recess, spheroidal one side is equipped with the connector of being connected with cylinder piston end.
2. The flexible structure of an intermediate body air-tightness test bed according to claim 1, wherein a guide plate is further provided on one side of the sealing plate provided with the groove, the guide plate is provided with a through hole for the connector to pass through, and a plurality of guide posts are further provided on the guide plate.
3. The flexible structure of an intermediate airtight testing stand according to claim 2, wherein the guide plate further has a plurality of guide pins, one end of each of the guide pins penetrates the guide plate and is connected with a second ball, and the bottom of the sealing plate has a plurality of second grooves corresponding to the second balls, respectively.
4. A flexible structure of an intermediate airtight test bed as claimed in claim 3, wherein springs are provided on all the guide pins, respectively.
5. A flexible structure of an intermediate body air tightness test bed as claimed in claim 3, wherein a mounting plate is provided between the guide plate and the sealing plate, a screw is provided in the mounting plate, one end of the screw penetrates through the mounting plate, the sealing plate is provided with a screw hole matched with the screw, and the diameter of the screw hole is larger than that of the screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121587846.1U CN215767513U (en) | 2021-07-13 | 2021-07-13 | Flexible structure of intermediate body air tightness test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121587846.1U CN215767513U (en) | 2021-07-13 | 2021-07-13 | Flexible structure of intermediate body air tightness test bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215767513U true CN215767513U (en) | 2022-02-08 |
Family
ID=80105066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121587846.1U Active CN215767513U (en) | 2021-07-13 | 2021-07-13 | Flexible structure of intermediate body air tightness test bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215767513U (en) |
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2021
- 2021-07-13 CN CN202121587846.1U patent/CN215767513U/en active Active
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