CN217441020U

CN217441020U - Air pressure test switching pipe and plug

Info

Publication number: CN217441020U
Application number: CN202121971373.5U
Authority: CN
Inventors: 梁廷军
Original assignee: Guangzhou Qiye Electromechanical Industry Co ltd
Current assignee: Guangzhou Qiye Electromechanical Industry Co ltd
Priority date: 2021-08-21
Filing date: 2021-08-21
Publication date: 2022-09-16
Anticipated expiration: 2031-08-21

Abstract

The utility model relates to an atmospheric pressure test technical field specifically discloses atmospheric pressure test switching pipe and blanking cover, including clamp and mouth of pipe, the clamp includes lower snap ring and upper snap ring, first draw-in groove and second draw-in groove have been seted up respectively to the inboard of lower snap ring and upper snap ring, the left end of lower snap ring rotates and is connected with first pivot, the left end fixed connection of upper snap ring is in the center of first pivot, first logical groove and second logical groove have been seted up respectively to the right-hand member of lower snap ring and the right-hand member of upper snap ring, the inside of first logical groove rotates and is connected with the second pivot, the middle part of second pivot is fixedly connected with locking mechanism, the mouth of pipe is pegged graft in the clamp and is close to the position department on first draw-in groove and second draw-in groove right side, the activity of one end of mouth of pipe is pegged graft and is had the blanking cover, the blanking cover is located first draw-in groove and second draw-in groove and is close to left position department; the utility model discloses can play the effect of extrusion locking to snap ring and last snap ring down through the mode of twisting the crew cut nut into screw thread capital portion, it is very convenient that the dismouting gets up.

Description

Air pressure test switching pipe and plug

Technical Field

The utility model relates to an atmospheric pressure test technical field, concretely relates to atmospheric pressure test switching pipe and blanking cover.

Background

In current atmospheric pressure test process, the connection and the installation of switching pipe need go on through the ferrule, and present ferrule structure is complicated, and fixed mode is loaded down with trivial details, need consume a large amount of time in dismantlement and installation to the leakproofness also lacks to some extent, leads to the inaccurate phenomenon of test result to take place easily.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a barometer test switching pipe and blanking cover possesses advantages such as make things convenient for the dismouting, the leakproofness is good, has solved the difficult dismouting of traditional switching pipe, the not good problem of gas tightness.

The utility model discloses a pneumatic test switching pipe and blanking cover, including clamp and the mouth of pipe, the clamp includes lower snap ring and last snap ring, first draw-in groove and second draw-in groove have been seted up respectively to the inboard of lower snap ring and last snap ring, the left end of lower snap ring rotates and is connected with first pivot, the left end fixed connection of going up the snap ring is in the central authorities of first pivot, first logical groove and second logical groove have been seted up respectively to the right-hand member of lower snap ring and the right-hand member of last snap ring, the inside rotation in first logical groove is connected with the second pivot, the middle part fixedly connected with locking mechanism of second pivot, the mouth of pipe is pegged graft in the clamp and is close to the position department on first draw-in groove and second draw-in groove right side, orificial one end activity is pegged graft there is the blanking cover, the blanking cover is located first draw-in groove and second draw-in groove and is close to left position department.

As a further improvement of the utility model, locking mechanism includes the screw thread post of fixed connection in second pivot middle part, the top and the threaded connection that the second led to the groove are passed to the top of screw thread post have the crew cut nut.

Through the design of the technical scheme, the device can play the role of extruding and locking the lower snap ring and the upper snap ring by screwing the flat-headed nut into the top of the threaded column, and is very convenient to disassemble and assemble.

As a further improvement, the shape structure that first logical groove and second lead to the groove is the same and overlook the face and all be "U" type, the width that first logical groove and second lead to the groove is greater than the diameter of screw thread post, the diameter that first logical groove and second lead to the groove is less than the diameter of crew cut nut.

Through the design of the technical scheme, the threaded column can be clamped into the first through groove and the second through groove, and the flat-head nut can be pressed against the upper clamping ring.

As a further improvement, the orificial one end integrated into one piece has the locking arch, the right side of the protruding joint of locking between first draw-in groove and second draw-in groove.

Through the design of the technical scheme, the stability and the sealing performance of connection between the pipe orifice and the clamp are improved.

As a further improvement, the edge integrated into one piece of blanking cover has convex chamfer, the left end joint of blanking cover is in the left side between first draw-in groove and the second draw-in groove.

Through the design of the technical scheme, the stability of connection between the blocking cover and the clamp is improved.

As a further improvement, the central integrated into one piece of blanking cap has an internal thread pipe, the internal thread pipe is conical, the left diameter of internal thread pipe is greater than the diameter on internal thread pipe right side.

Through the design of the technical scheme, the pipeline is more fastened when being screwed into the internal thread pipe, and is not easy to loosen.

As a further improvement, the right side of blanking cover is fixed to be pegged graft and is had the silica gel packing ring, the outside of silica gel packing ring is laminated with the inboard of blanking cover, the inner wall of silica gel packing ring is laminated with the outside of internal thread pipe.

Through the design of the technical scheme, the air tightness of the plugging cover is further improved.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a first logical groove and the second that set up respectively on snap ring and last snap ring lead to the groove down, fixed screw thread post in the second pivot that the first logical inslot rotation of cooperation is connected and the second pivot for the device can play the effect of extrusion locking to snap ring and last snap ring down through the mode of twisting the flat-head nut screw thread post top, and the dismouting is got up very conveniently.

2. The utility model discloses a convex chamfer that sets up on the blanking cover, the locking that cooperation mouth of pipe tip set up is protruding for circular arc chamfer can agree with the card to go into between first draw-in groove and the second draw-in groove with the protruding cooperation of locking, has both played the locking effect, has also played good sealed effect, has realized quick assembly disassembly's purpose, through at the blanking cover, through the toper design of internal thread pipe, makes the pipeline fasten more when twisting the internal thread pipe, is difficult to not hard up.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the overall front cross-sectional structure of the present invention;

FIG. 3 is a schematic view of the overall left-side view structure of the present invention;

FIG. 4 is a schematic view of the clamp of the present invention;

FIG. 5 is a left side view of the clamp of the present invention;

fig. 6 is a schematic front sectional structural view of the plug of the present invention;

fig. 7 is a schematic view of the three-dimensional structure of the plug cover of the present invention;

fig. 8 is a schematic view of the three-dimensional structure of the silica gel gasket of the present invention.

In the figure: 1. a pipe orifice; 2. a lower snap ring; 21. a first card slot; 22. a first through groove; 3. a snap ring is arranged; 31. a second card slot; 32. a second through groove; 4. a first rotating shaft; 5. a threaded post; 6. a second rotating shaft; 7. a flat-head nut; 8. blocking the cover; 9. an internally threaded tube; 10. a silica gel gasket; 11. and a locking protrusion.

Detailed Description

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It should be understood, however, that these physical details should not be taken to limit the invention. That is, in some embodiments of the invention, these physical details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

Technical solutions between various embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Please refer to fig. 1-8, the utility model discloses an atmospheric pressure test switching pipe and blanking cover, including clamp and mouth of pipe 1, the clamp includes lower snap ring 2 and last snap ring 3, first draw-in groove 21 and second draw-in groove 31 have been seted up respectively to lower snap ring 2 and the inboard of last snap ring 3, the left end rotation of lower snap ring 2 is connected with first pivot 4, the left end fixed connection of going up snap ring 3 is in the central authorities of first pivot 4, first logical groove 22 and second logical groove 32 have been seted up respectively to the right-hand member of lower snap ring 2 and the right-hand member of last snap ring 3, the inside rotation that first logical groove 22 was connected with second pivot 6, the middle part fixedly connected with locking mechanism of second pivot 6, mouth of pipe 1 pegs graft in the clamp and is close to first draw-in groove 21 and second draw-in groove 31 position department, the one end activity of mouth of pipe 1 is pegged graft and is had blanking cover 8, blanking cover 8 is located first draw-in groove 21 and second draw-in groove 31 and is close to left position department.

Referring to fig. 3, the locking mechanism includes a threaded post 5 fixedly connected to the middle portion of the second rotating shaft 6, the top of the threaded post 5 passes through the top of the second through slot 32 and is in threaded connection with a flat-head nut 7, so that the device can perform the function of squeezing and locking the lower snap ring 2 and the upper snap ring 3 by screwing the flat-head nut 7 into the top of the threaded post 5, and is very convenient to assemble and disassemble.

Referring to fig. 4, the first through groove 22 and the second through groove 32 have the same shape and structure, and are both U-shaped in a top view, the width of the first through groove 22 and the second through groove 32 is larger than the diameter of the threaded stud 5, and the diameter of the first through groove 22 and the second through groove 32 is smaller than the diameter of the flat-head nut 7, so that the threaded stud 5 can be clamped into the first through groove 22 and the second through groove 32, and the flat-head nut 7 can press the upper snap ring 3.

Referring to fig. 2, a locking protrusion 11 is integrally formed at one end of the tube orifice 1, and the locking protrusion 11 is clamped at the right side between the first clamping groove 21 and the second clamping groove 31, so that the stability and the sealing performance of the connection between the tube orifice 1 and the clamp are improved.

Referring to fig. 2, the edge of the blocking cover 8 is integrally formed with an arc-shaped chamfer, and the left end of the blocking cover 8 is clamped on the left side between the first clamping groove 21 and the second clamping groove 31, so that the stability of connection between the blocking cover 8 and the clamp is improved.

Referring to fig. 6, an internal threaded pipe 9 is integrally formed in the center of the blocking cover 8, the internal threaded pipe 9 is conical, and the diameter of the left side of the internal threaded pipe 9 is larger than that of the right side of the internal threaded pipe 9, so that the pipeline is more fastened and is not easy to loosen when being screwed into the internal threaded pipe 9.

Referring to fig. 6, 7 and 8, a silicone gasket 10 is fixedly inserted on the right side of the plug 8, the outer side of the silicone gasket 10 is attached to the inner side of the plug 8, and the inner wall of the silicone gasket 10 is attached to the outer side of the female threaded tube 9, so that the air tightness of the plug 8 is further improved.

Use the utility model discloses the time, the staff inserts 1 inside the mouth of pipe 1 with blanking cover 8 at first, insert the first draw-in groove 21 of snap ring 2 down with 1 tip of mouth of pipe afterwards, later with going up snap ring 3 and covering down, make 1 first half card of mouth of pipe go into inside second draw-in groove 31, later staff rotates screw thread post 5, make screw thread post 5 get into inside first logical groove 22 and the second logical groove 32, at last twist flat head nut 7, make flat head nut 7 compress tightly snap ring 3, can accomplish the fixed to mouth of pipe 1.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. Atmospheric pressure test switching pipe and blanking cover, including clamp and mouth of pipe (1), its characterized in that: the clamp comprises a lower clamping ring (2) and an upper clamping ring (3), a first clamping groove (21) and a second clamping groove (31) are respectively formed in the inner sides of the lower clamping ring (2) and the upper clamping ring (3), a first rotating shaft (4) is rotatably connected to the left end of the lower clamping ring (2), the left end of the upper clamping ring (3) is fixedly connected to the center of the first rotating shaft (4), a first through groove (22) and a second through groove (32) are respectively formed in the right end of the lower clamping ring (2) and the right end of the upper clamping ring (3), a second rotating shaft (6) is rotatably connected to the inside of the first through groove (22), and a locking mechanism is fixedly connected to the middle of the second rotating shaft (6);

the pipe orifice (1) is inserted into the hoop and is close to the position on the right sides of the first clamping groove (21) and the second clamping groove (31), one end of the pipe orifice (1) is movably inserted with the blocking cover (8), and the blocking cover (8) is located in the first clamping groove (21) and the second clamping groove (31) and is close to the position on the left side.

2. The air pressure test adapter tube and closure of claim 1, wherein: the locking mechanism comprises a threaded column (5) fixedly connected to the middle of the second rotating shaft (6), and the top of the threaded column (5) penetrates through the top of the second through groove (32) and is in threaded connection with a flat-head nut (7).

3. The air pressure test adapter tube and closure of claim 2, wherein: the first through groove (22) and the second through groove (32) are identical in shape and structure and are U-shaped in plan view, the width of the first through groove (22) and the width of the second through groove (32) are larger than the diameter of the threaded column (5), and the diameter of the first through groove (22) and the diameter of the second through groove (32) are smaller than the diameter of the flat-head nut (7).

4. The air pressure test adapter tube and closure of claim 1, wherein: one end integrated into one piece of mouth of pipe (1) has locking arch (11), right side between first draw-in groove (21) and second draw-in groove (31) is connected in locking arch (11).

5. The air pressure test adapter tube and closure of claim 1, wherein: the edge of blanking cover (8) integrated into one piece has circular arc chamfer, the left end joint of blanking cover (8) is in the left side between first draw-in groove (21) and second draw-in groove (31).

6. The air pressure test adapter tube and closure of claim 1, wherein: the central authorities integrated into one piece of blanking cover (8) has internal thread pipe (9), internal thread pipe (9) are conical, the left diameter of internal thread pipe (9) is greater than the diameter on internal thread pipe (9) right side.

7. The air pressure test adapter tube and closure of claim 1, wherein: the right side of blanking cap (8) is fixed to be inserted with a silica gel gasket (10), the outside of silica gel gasket (10) is attached to the inner side of blanking cap (8), and the inner wall of silica gel gasket (10) is attached to the outer side of internal thread pipe (9).