CN217980769U - Multifunctional connecting device for checking breather valve - Google Patents
Multifunctional connecting device for checking breather valve Download PDFInfo
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- CN217980769U CN217980769U CN202221533701.8U CN202221533701U CN217980769U CN 217980769 U CN217980769 U CN 217980769U CN 202221533701 U CN202221533701 U CN 202221533701U CN 217980769 U CN217980769 U CN 217980769U
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- cylinder body
- breather valve
- sealing cover
- sealed lid
- movable bolt
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Abstract
The utility model discloses a multi-functional connecting device for breather valve check-up, including cylinder body and its sealed lid that closes, the cylinder body and sealed lid open end set up the draw-in groove of alignment respectively, the outer wall of cylinder body articulates two movable bolts that take the nut, movable bolt can block into or break away from the draw-in groove, rotatory nut locking or loosen the bolt thereby with the cylinder body locking cooperation or unblock separation of sealed lid; a circular tube communicated with the breather valve is arranged in the center of the sealing cover; and the welding conduit on the outer wall of the cylinder body is communicated with an air source interface of the calibration stand. Therefore, the opening pressure test of the external breather valve, the opening pressure test of the built-in breather valve and the overturning sealing test are realized. The connecting device can quickly lock or unlock the cylinder body in the sealing cover through the movable bolt on the outer wall of the cylinder body at any time, and the sealing covers with different specifications can be configured according to breathing valves with different models. The utility model discloses simple structure reduces manufacturing cost, and pure manual assembly is swift convenient, improves test efficiency.
Description
Technical Field
The utility model belongs to the technical field of the regular check-up of ordinary pressure tank car safety accessory, concretely relates to multifunctional connecting device for breather valve check-up.
Background
China is a country where dangerous chemicals are produced and used, and is also a country where dangerous goods are transported on roads, and ordinary pressure tank trucks for transporting liquid dangerous goods on roads are main transportation carriers for transporting various oil products and chemical raw materials. Among them, the periodic verification of the breather valve, which is one of the safety accessories of the atmospheric tank car, is also very important.
The check of the breather valve mainly comprises an opening pressure test of the external breather valve, an opening pressure test of the built-in breather valve and an overturning sealing test. In the opening pressure test of the external breather valve, positive and negative air pressure is applied to one side connected with the breather valve for verification; in the opening pressure test of the built-in breather valve, a positive pressure environment and a negative pressure environment (namely, the internal environment of a simulated tank body) are required to be formed at one side of the valve body for verification; the overturning sealing test is to observe the leakage condition of the breather valve in the normal use and installation direction of the breather valve, rotate a certain angle around a horizontal shaft and keep the breather valve under a certain pressure.
However, the existing connecting device between the breather valve and the calibration stand has single function, one connecting device cannot be used for the opening pressure test of the external breather valve and the opening pressure test and the overturning sealing test of the internal breather valve, the connecting device between the breather valve and the calibration stand must be frequently replaced to carry out different tests during calibration, the operation is inconvenient, the test efficiency is reduced, and the operation cost is increased.
Therefore, need to design a multi-functional connecting device for the opening pressure test of external breather valve, the opening pressure test and the overturning sealing performance test of built-in breather valve urgent, guarantee simultaneously that breather valve and check table assemble more swiftly conveniently, improve efficiency of software testing.
Disclosure of Invention
An object of the utility model is to overcome prior art not enough, provide a simple structure, the operation is swift convenient, can be used to connect the breather valve and the multi-functional connecting device of check-up platform air source interface for the check-up of breather valve is experimental.
In order to achieve the purpose, the utility model discloses a multifunctional connecting device for breather valve calibration, including cylinder body and its sealed lid that closes, the cylinder body and sealed lid open end set up the draw-in groove that aligns respectively, the outer wall of cylinder body articulates two movable bolts that take the nut, movable bolt can block in or break away from the draw-in groove, the nut is locked or the bolt is loosened to rotatory thereby sealed lid and cylinder body locking cooperation or unblock separation; a circular tube communicated with the breather valve is arranged in the center of the sealing cover; and the welding conduit on the outer wall of the cylinder body is communicated with an air source interface of the calibration stand.
Furthermore, the opening end of the cylinder body is provided with a skirt edge, and the skirt edge is provided with a first clamping groove and a second clamping groove which are respectively aligned to the sealing cover.
Furthermore, the cylinder body also comprises a shaft pin and a shaft sleeve, and a pair of parallel shaft sleeves is welded on the outer wall of the cylinder body; one end of the movable bolt is a circular ring, the other end of the movable bolt is provided with external threads, and the shaft pin sequentially and radially penetrates through the shaft sleeve, the circular ring of the movable bolt and the shaft sleeve.
Furthermore, the tail end of the shaft pin is provided with a split pin for fixing the relative position of the shaft pin and the shaft sleeve.
Further, the horizontal plane of the round pipe of the sealing cover is higher than that of the sealing cover.
Furthermore, an annular groove is formed in the opening end of the cylinder body, a sealing ring is sleeved in the groove, and the horizontal plane of the sealing ring is higher than that of the cylinder body.
Further, the cylinder body is barrel-shaped, the sealing cover is circular, and the diameter of the skirt edge of the cylinder body is equal to that of the sealing cover.
Furthermore, the cylinder body, the sealing cover, the movable bolt, the nut, the shaft pin, the shaft sleeve and the split pin are all made of stainless steel materials, and the sealing ring is made of rubber materials.
Compared with the prior art, the utility model relates to a multifunctional connecting device for breather valve check-up's beneficial effect includes:
the utility model discloses a cylinder body is arranged in to connecting device's sealed lid and breather valve threaded connection side, and cylinder body outer wall welding air duct intercommunication check-up table air source interface compresses tightly sealed lid and cylinder body inclosed, can perfectly simulate tank car internal environment to realize the opening pressure test of external breather valve and the opening pressure test of built-in breather valve. The cylinder body can rotate around the horizontal shaft of the air duct, so that the overturning sealing performance test is realized.
The utility model discloses a connecting device can be through the movable bolt of cylinder body outer wall at any time with cylinder body locking or unblock in sealed lid fast, can dispose the sealed lid of different specifications according to different model breather valves.
The utility model discloses simple structure reduces manufacturing cost, and pure manual assembly is swift convenient, improves test efficiency.
Drawings
Fig. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the cylinder body of the present invention;
FIG. 3 is a schematic view of the structure of the airway tube of the present invention;
fig. 4 is a schematic top view of the sealing cover of the present invention;
FIG. 5 is a schematic view of the movable bolt structure of the present invention;
FIG. 6 is a schematic view of the structure of the movable bolt, nut, shaft sleeve, shaft pin and split pin of the present invention;
in the figure: a cylinder body 1; a sealing cover 2; a gas guide tube 3; a cotter pin 4; a shaft pin 5; a movable bolt 6; a nut 7; a circular tube 8; a card slot 9; a circular ring 10; a seal ring 11; a shaft sleeve 12; a skirt 13.
Detailed Description
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
As shown in fig. 1-2 and 4, the utility model discloses a multifunctional connecting device for breather valve check-up, including cylinder body 1 and sealed lid 2, the U-shaped draw-in groove 9 of symmetry is all seted up at cylinder body 1 and sealed lid 2 border, and cylinder body 1 open end is equipped with shirt rim 13, and the draw-in groove one that shirt rim 13 was seted up aligns in the draw-in groove two of sealed lid 2, and the articulated movable bolt 6 that takes nut 7 of cylinder body 1 outer wall. As shown in fig. 5, one end of the movable bolt 6 is a circular ring 10, and the other end is provided with an external thread which is rotatably matched with the internal thread of the nut 7. As shown in fig. 6, the cylinder body 1 further includes a shaft pin 5 and a shaft sleeve 12, a pair of parallel shaft sleeves 12 is welded on the outer wall of the cylinder body 1, a ring 10 of the movable bolt 6 is arranged between the two shaft sleeves 12, and the shaft pin 5 sequentially and radially penetrates through the shaft sleeves 12, the movable bolt 6 and the shaft sleeves 12. Wherein, nut 7 is thumb nut 7, and convenient manual screwing facilitates the operation, detains movable bolt 6 through swivel nut 7 or releases draw-in groove one of cylinder body 1 and draw-in groove two of sealed lid 2, realizes sealed lid 2 and the cooperation of 1 locking of cylinder body or unblock separation. The U-shaped clamping groove 9 is arranged, the cylinder body 1 and the sealing cover 2 can be disassembled and assembled only by rotating the nut 7 to be far away from the sealing cover 2, the step that the nut 7 is completely separated from the movable bolt 6 is omitted, and time and labor are saved. The end of the shaft pin 5 is provided with a split pin 4 for fixing the relative position of the shaft pin 5 and the shaft sleeve 12, so that the fixing structure is firmer and more reliable. The utility model discloses a two point type that cylinder body 1 adopted the symmetry locking are tight, and reducible bolt quantity improves test efficiency.
As shown in figure 4, the center of the sealing cover 2 is provided with a round pipe 8 communicated with the breather valve, the horizontal plane of the round pipe 8 is higher than that of the sealing cover 2, the contact area of threads can be increased, and the sealing cover 2 and the breather valve can be connected more firmly. As shown in figure 3, the air duct 3 is welded on the outer wall of the cylinder body 1 and communicated with an air source interface of the calibration table, and the cylinder body 1 can rotate around the horizontal shaft of the air duct 3 to realize the overturning sealing test.
As shown in fig. 2, an annular groove is formed at the opening end of the cylinder body 1, a sealing ring 11 is sleeved in the groove, the horizontal plane of the sealing ring 11 is higher than the horizontal plane of the cylinder body 1, when the sealing cover 2 is locked and matched, the sealing performance of an opening pressure test of the external breather valve and an opening pressure test of the built-in breather valve can be improved by pressing the protruding sealing ring 11 through the sealing cover 2, gas circulation between the inside of the cylinder and the outside is blocked, and the air pressure requirement of the test is ensured.
The cylinder body 1 is in a barrel shape, the sealing cover 2 is in a circular shape, and the diameter of the skirt edge 13 of the cylinder body 1 is equal to that of the sealing cover 2. The cylinder body 1, the sealing cover 2, the movable bolt 6, the nut 7, the shaft pin 5, the shaft sleeve 12 and the split pin 4 are all made of stainless steel materials, the structural strength of the stainless steel materials is high, and the service life of the device can be prolonged. The sealing ring 11 is made of rubber materials, so that the influence on the opening pressure test effect of the external breather valve and the opening pressure test effect of the built-in breather valve due to the gas circulation in the cylinder and outside in the checking test process is avoided.
During the use, at first with the air duct 3 intercommunication check-up platform air supply interface of cylinder body 1, will treat the external screw thread of the breather valve of check-up and screw up in 8 internal threads of the pipe of sealed lid 2, sealed lid 2 is placed on cylinder body 1 to align sealed lid 2 and 1 both sides U-shaped draw-in groove 9 one by one of cylinder body. Locking cooperation between sealed lid 2 and the cylinder body 1: the nut 7 is held to enable the movable bolt 6 to rotate around the shaft pin 5 on the cylinder body 1 and to be buckled into the second clamping groove of the sealing cover 2 and the first clamping groove of the cylinder body 1, then the nut 7 is screwed to press the sealing cover 2 tightly, and the sealing cover 2, the opening end face of the cylinder body 1 and the sealing ring 11 are sealed through the movable bolt 6. The threaded connection side of the breather valve and the sealing cover 2 is arranged in the cylinder body 1, the sealing cover 2 and the cylinder body 1 are tightly pressed and sealed in a locking and matching mode, the internal environment of the tank car can be perfectly simulated, and the opening pressure test of the external breather valve and the opening pressure test of the built-in breather valve are realized. The cylinder body 1 can rotate around the horizontal shaft of the air pipe to realize the overturning sealing test, so that different checking works can be gradually completed according to the operation steps.
When changing other model breather valves, carry out the separation of unblock between sealed lid 2 and the cylinder body 1: unscrewing nut 7 keeps away from sealed lid 2, and then separates sealed lid 2 and cylinder body 1 through movable bolt 6, holds nut 7 and rotates movable bolt 6 around pivot 5 on the cylinder body 1 to the draw-in groove two of being released sealed lid 2 and the draw-in groove one of cylinder body 1, and sealed lid 2 can be followed cylinder body 1 and dismantled. Change the sealed lid 2 of other model breather valves, will treat the external screw thread of the other model breather valves of check-up and screw up in 8 internal threads of the pipe of sealed lid 2, sealed lid 2 is placed on cylinder body 1 to align sealed lid 2 and 1 both sides U-shaped draw-in groove 9 of cylinder body. When the sealing cover 2 is matched with the cylinder body 1 in a locking way: the nut 7 is held to enable the movable bolt 6 to rotate around the shaft pin 5 on the cylinder body 1 and to be buckled into the second clamping groove of the sealing cover 2 and the first clamping groove of the cylinder body 1, then the nut 7 is screwed to tightly press the sealing cover 2, the end face of the cylinder body 1 and the sealing ring 11 are sealed through the movable bolt 6, and an opening pressure test of the external breather valve, an opening pressure test of the built-in breather valve and an overturning sealing performance test are conducted.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the concept of the present invention, and these improvements and decorations should also be considered as the protection scope of the present invention.
Claims (8)
1. The utility model provides a multi-functional connecting device for breather valve check-up which characterized in that: the cylinder body and the sealing cover covered by the cylinder body are respectively provided with aligned clamping grooves, the outer wall of the cylinder body is hinged with two movable bolts with nuts, the movable bolts can be clamped into or separated from the clamping grooves, and the nuts are rotated to lock or loosen the bolts so as to lock or unlock the sealing cover and the cylinder body; a circular tube communicated with the breather valve is arranged in the center of the sealing cover; and the cylinder body outer wall welding guide pipe is communicated with the calibration stand air source interface.
2. A multi-function connection for breather valve verification, as in claim 1, wherein: the open end of the cylinder body is provided with a skirt edge, and the clamping grooves formed in the skirt edge are respectively aligned with the clamping grooves formed in the sealing cover.
3. A multi-functional coupling device for breather valve verification, as defined in claim 2, wherein: the cylinder body also comprises a shaft pin and a shaft sleeve, and a pair of parallel shaft sleeves is welded on the outer wall of the cylinder body; one end of the movable bolt is a circular ring, the other end of the movable bolt is provided with external threads, and the shaft pin sequentially and radially penetrates through the shaft sleeve, the circular ring of the movable bolt and the shaft sleeve.
4. A multi-functional coupling device for breather valve verification, as defined in claim 3, wherein: the tail end of the shaft pin is provided with a split pin for fixing the relative position of the shaft pin and the shaft sleeve.
5. A multi-function connection for breather valve verification, as in claim 1, wherein: the horizontal plane of the round pipe of the sealing cover is higher than that of the sealing cover.
6. A multi-functional coupling device for breather valve verification, according to claim 1 or 5, wherein: the opening end of the cylinder body is provided with an annular groove, a sealing ring is sleeved in the groove, and the horizontal surface of the sealing ring is higher than that of the cylinder body.
7. A multi-function connection for a breather valve check according to any of claims 1-5, wherein: the cylinder body is cask shape, sealed lid is circular, the shirt rim diameter of cylinder body equals sealed lid diameter.
8. A multi-functional coupling device for breather valve verification, as in claim 7, wherein: the cylinder body, the sealing cover, the movable bolt, the nut, the shaft pin, the shaft sleeve and the split pin are all made of stainless steel materials, and the sealing ring is made of rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221533701.8U CN217980769U (en) | 2022-06-20 | 2022-06-20 | Multifunctional connecting device for checking breather valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221533701.8U CN217980769U (en) | 2022-06-20 | 2022-06-20 | Multifunctional connecting device for checking breather valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217980769U true CN217980769U (en) | 2022-12-06 |
Family
ID=84274423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221533701.8U Active CN217980769U (en) | 2022-06-20 | 2022-06-20 | Multifunctional connecting device for checking breather valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217980769U (en) |
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2022
- 2022-06-20 CN CN202221533701.8U patent/CN217980769U/en active Active
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