CN219413970U - Rubber sealing plug for airtight test - Google Patents

Abstract

The utility model discloses a rubber sealing plug for airtight test, which relates to the technical field of airtight test tools and comprises a cannula, wherein the outer surface of the lower side of the cannula is fixedly connected with a lower fixing plate, a rolling bearing is arranged on the outer surface of the cannula, the upper surface of the rolling bearing is fixedly connected with a threaded sleeve, the outer surface of the threaded sleeve is in threaded connection with a nut sleeve, the outer surface of the nut sleeve is fixedly connected with a rubber sleeve, and the lower side of the rubber sleeve is fixedly connected with the outer surface of the lower fixing plate. According to the airtight test rubber sealing plug, the insertion pipe, the lower fixing plate, the rolling bearing, the threaded sleeve, the nut sleeve, the rubber sleeve, the rotating plate, the upper fixing plate, the rotating groove, the limiting plate and the limiting groove are arranged, so that the airtight test rubber sealing plug has a sealing function with a relatively simple structure, the water inlet and the water outlet are sealed by utilizing the principle that rubber is pressed and deformed, the structure is relatively simple, the operation is simple and convenient, faults are not easy to occur, and the sealing effect is good.

Description

Rubber sealing plug for airtight test

Technical Field

The utility model relates to the technical field of air tightness testing tools, in particular to a rubber sealing plug for air tightness testing.

Background

The plug is one of the most commonly used components for air tightness tests. As an important component for ensuring normal operation of an automobile engine, an automobile engine cooler is required to be subjected to a strict air tightness test before shipment. With the continuous improvement of the living standard of people, the demand of automobiles is increasingly increased, and the workload of the air tightness test of the automobile cooler is increasingly increased. In the conventional air tightness test of the automobile cooler, a rubber plug is used as a plug, the pipe body is plugged by friction between the rubber plug and the inner wall of the pipe body, and the pipe body and a hose for introducing test air are connected by adopting a hoop.

The utility model discloses a conical air tightness test plug in a Chinese patent application publication No. CN 211398989U, which comprises a base block, wherein an outer ring body is arranged at the bottom of the base block, an annular cavity is arranged in the outer ring body, an electromagnetic ring is arranged in the annular cavity, and the electromagnetic ring is connected with a trigger mechanism.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a rubber sealing plug for airtight test, which solves the problems in the background art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a rubber seal plug of airtight test, includes the intubate, the downside fixed surface of intubate is connected with down the fixed plate, the surface mounting of intubate has antifriction bearing, antifriction bearing's last fixed surface is connected with threaded sleeve, threaded sleeve's surface threaded connection has the nut cover, the surface fixedly connected with rubber sleeve of nut cover, the downside of rubber cover and the fixed surface connection of fixed plate down, the last fixed plate of fixed surface fixedly connected with of intubate, the last fixed plate's upper surface fixedly connected with installation base, the upper portion threaded connection of installation base has the installation lid, the through-hole has been seted up at the middle part of installation lid, the inside grafting of through-hole has the intake pipe.

Optionally, the rolling bearing is rotatably arranged on the upper part of the lower fixing plate and the inner side of the rubber sleeve, and the threaded sleeve is sleeved on the outer part of the cannula.

Optionally, screw sleeve's upper surface fixedly connected with rotor plate, the rotor plate cup joints in the outside of intubate, the spacing groove has been seted up to the circumference of rotor plate, the quantity of spacing groove is a plurality of, a plurality of the spacing groove is annular array and distributes.

Optionally, the rotation groove has been seted up to the circumference of last fixed plate, the inside wall in rotation groove rotates along the vertical direction and is connected with the limiting plate, the downside of limiting plate is pegged graft in the inside of limiting groove.

Optionally, a sealing gasket is sleeved on the upper portion of the mounting base, and the upper surface of the sealing gasket is abutted with the lower surface of the mounting cover.

Optionally, the upper surface fixedly connected with seal ring of installation base, the lower surface fixedly connected with pipe box of intake pipe, the circumference of pipe box and seal ring's medial surface butt, the pipe box sets up between installation base and installation lid.

The utility model provides a rubber sealing plug for airtight test, which has the following beneficial effects:

according to the rubber sealing plug for the airtight test, through the arrangement of the insertion pipe, the lower fixing plate, the rolling bearing, the threaded sleeve, the nut sleeve, the rubber sleeve, the rotating plate, the upper fixing plate, the rotating groove, the limiting plate and the limiting groove, the rubber sealing plug for the airtight test has a sealing function with a simpler structure, the water inlet and the water outlet are sealed by utilizing the principle of rubber compression deformation, the structure is simpler, the operation is simple and convenient, faults are not easy to occur, and the sealing effect is good;

this rubber seal plug of airtight test through setting up intubate, last fixed plate, installation base, installation lid, intake pipe, pipe box, sealed lantern ring and sealing washer, makes this rubber seal plug of airtight test possess the function of quick installation and dismantlement intake pipe, and the intake pipe is detachable setting, easy operation, and the leakproofness is good, and the convenience is changed damaged intake pipe, labour saving and time saving.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic elevational cross-sectional structure of the present utility model;

FIG. 3 is a schematic view of a partial A amplifying structure of the present utility model;

fig. 4 is an enlarged view of a part B of the present utility model.

In the figure: 1. a cannula; 2. a lower fixing plate; 3. a rolling bearing; 4. a threaded sleeve; 5. a nut sleeve; 6. a rubber sleeve; 7. a rotating plate; 8. an upper fixing plate; 9. a rotating groove; 10. a limiting plate; 11. a limit groove; 12. a mounting base; 13. a mounting cover; 14. an air inlet pipe; 15. a pipe sleeve; 16. a sealing collar; 17. and a sealing gasket.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Examples

Referring to fig. 1 to 3, the present utility model provides the following technical solutions: the utility model provides a rubber seal plug of airtight test, including intubate 1, the downside surface fixedly connected with lower fixed plate 2 of intubate 1, antifriction bearing 3 is installed to the surface mounting of intubate 1, antifriction bearing 3's last surface fixedly connected with threaded sleeve 4, antifriction bearing 3 rotates the inboard that sets up in the upper portion of lower fixed plate 2 and rubber sleeve 6, threaded sleeve 4 cup joints in the outside of intubate 1, threaded sleeve 4's surface threaded connection has nut cover 5, nut cover 5's surface fixedly connected with rubber sleeve 6, rubber cover 6's downside and lower fixed plate 2's surface fixedly connected with, threaded sleeve 4's last surface fixedly connected with rotating plate 7, rotating plate 7 cup joints in intubate 1's outside, limit groove 11 has been seted up to the circumference of rotating plate 7, the quantity of limit groove 11 is a plurality of, a plurality of limit groove 11 is annular array distribution, rotating groove 9 has been seted up to the circumference of upper fixed plate 8, rotating groove 9's inside wall is connected with limiting plate 10 along the vertical direction rotation, the downside of limiting plate 10 is pegged graft in the inside of limit groove 11.

When the airtight test rubber sealing plug is used, through the arrangement of the insertion pipe 1, the lower fixing plate 2, the rolling bearing 3, the threaded sleeve 4, the nut sleeve 5, the rubber sleeve 6, the rotating plate 7, the upper fixing plate 8, the rotating groove 9, the limiting plate 10 and the limiting groove 11, the airtight test rubber sealing plug has a simple sealing function, the limiting plate 10 is firstly rotated upwards, the limiting groove 11 is removed, then the rotating plate 7 is rotated, the threaded sleeve 4 is driven to rotate, the nut sleeve 5 is enabled to move upwards, the rubber sleeve 6 is stretched in the process, the diameter is reduced, the rubber sleeve 6 can be arranged in a pipeline, after the rubber sleeve 6 is completely arranged in the pipeline, the rotating plate 7 is reversely rotated, the nut sleeve 5 is enabled to move downwards, the diameter of the rubber sleeve 6 is driven to be increased, the outer side of the rubber sleeve 6 is enabled to be fully abutted against the inner wall of the pipeline, sealing is guaranteed until the rotating plate 7 is rotated, the limiting plate 10 is rotated into the limiting groove 11, the inlet and outlet is sealed by utilizing the principle that rubber is pressed and deformed, the structure is simple, the operation is convenient, and the sealing effect is good.

Examples

Referring to fig. 1 to 4, the present utility model provides the following technical solutions: the utility model provides a rubber seal plug of airtight test, the upper surface fixedly connected with of intubate 1 goes up fixed plate 8, the upper surface fixedly connected with of going up fixed plate 8 installs base 12, the upper portion threaded connection of installation base 12 has installation lid 13, the through-hole has been seted up at the middle part of installation lid 13, the inside grafting of through-hole has intake pipe 14, sealing washer 17 has been cup jointed on the upper portion of installation base 12, sealing washer 17's upper surface and the lower surface butt of installation lid 13, the upper surface fixedly connected with of installation base 12 seals up lantern ring 16, the lower surface fixedly connected with pipe box 15 of intake pipe 14, the medial surface butt of pipe box 15 and sealing lantern ring 16, pipe box 15 sets up between installation base 12 and installation lid 13.

When the airtight test rubber sealing plug is used, through the arrangement of the insertion pipe 1, the upper fixing plate 8, the mounting base 12, the mounting cover 13, the air inlet pipe 14, the pipe sleeve 15, the sealing collar 16 and the sealing gasket 17, the airtight test rubber sealing plug has the functions of rapidly mounting and dismounting the air inlet pipe 14, when the air inlet pipe 14 is required to be mounted, the pipe sleeve 15 is firstly placed on the inner side of the sealing collar 16, the upper part of the mounting base 12, then the sealing gasket 17 is sleeved outside the mounting base 12, the mounting cover 13 is then mounted on the mounting base 12 through threads, the air inlet pipe 14 penetrates through the through hole of the mounting cover 13, the pipe sleeve 15 and the sealing collar 16 are pressed between the mounting base 12 and the mounting cover 13 to serve as a first layer of sealing, then the sealing gasket 17 between the mounting base 12 and the mounting cover 13 serves as a second layer of sealing, the sealing effect is guaranteed, when the air inlet pipe 14 is required to be dismounted, the air inlet pipe 14 is detachably arranged, the airtight test rubber sealing plug is easy to operate, and the air inlet pipe 14 is convenient to replace the damaged air inlet pipe 14, and saves time and labor.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a rubber seal plug of airtight test, includes intubate (1), its characterized in that: the utility model discloses a lower fixed plate (2) is fixed with to downside surface mounting of intubate (1), antifriction bearing (3) are installed to the surface mounting of intubate (1), antifriction bearing (3)'s last surface fixedly connected with screw sleeve (4), screw sleeve (4)'s surface threaded connection has nut cover (5), screw sleeve (5)'s surface fixedly connected with rubber sleeve (6), rubber sleeve (6)'s downside and lower fixed plate (2)'s surface fixedly connected with, intubate (1)'s upper surface fixedly connected with upper fixed plate (8), upper fixed plate (8)'s upper surface fixedly connected with installation base (12), upper portion threaded connection of installation base (12) has installation lid (13), the through-hole has been seted up at the middle part of installation lid (13), peg graft in the inside of through-hole has intake pipe (14).

2. The air-tight test rubber seal plug of claim 1, wherein: the rolling bearing (3) is rotatably arranged on the upper part of the lower fixing plate (2) and the inner side of the rubber sleeve (6), and the threaded sleeve (4) is sleeved on the outer part of the insertion tube (1).

3. The air-tight test rubber seal plug of claim 1, wherein: the upper surface fixedly connected with rotor plate (7) of screw sleeve (4), rotor plate (7) cup joint in the outside of intubate (1), spacing groove (11) have been seted up to the circumference of rotor plate (7), the quantity of spacing groove (11) is a plurality of, and a plurality of spacing groove (11) are annular array and distribute.

4. A rubber seal plug for air tightness testing according to claim 3, wherein: the rotary groove (9) is formed in the circumferential surface of the upper fixing plate (8), the limiting plate (10) is connected to the inner side wall of the rotary groove (9) in a rotary mode along the vertical direction, and the lower side of the limiting plate (10) is inserted into the limiting groove (11).

5. The air-tight test rubber seal plug of claim 1, wherein: the upper part of the mounting base (12) is sleeved with a sealing gasket (17), and the upper surface of the sealing gasket (17) is abutted with the lower surface of the mounting cover (13).

6. The air-tight test rubber seal plug of claim 1, wherein: the upper surface fixedly connected with seal ring (16) of installation base (12), the lower surface fixedly connected with pipe box (15) of intake pipe (14), the medial surface butt of the circumference of pipe box (15) and seal ring (16), pipe box (15) set up between installation base (12) and installation lid (13).