CN215400384U

CN215400384U - Inner plug

Info

Publication number: CN215400384U
Application number: CN202023298316.3U
Authority: CN
Inventors: 朱培瑜
Original assignee: Dongguan Fengyi Hardware And Plastic Products Co ltd
Current assignee: Dongguan Fengyi Hardware And Plastic Products Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2022-01-04
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to an inner plug which is used for plugging a port of a hollow structure, a clamping position is arranged on the side wall of the hollow structure, the inner plug comprises a plug body and a clamping structure arranged on the plug body, one end of the clamping structure is arranged on the plug body, the other end of the clamping structure protrudes out of the surface of the plug body in a movable and telescopic mode, the clamping structure comprises a clamping block and an elastic telescopic mechanism connected with the clamping block, a movable groove is formed in a position, corresponding to the clamping structure, of a jacket, one end of the elastic telescopic mechanism is arranged in the movable groove, the other end of the elastic telescopic mechanism stretches out of a groove opening of the movable groove in a telescopic mode, one end, far away from the bottom of the movable groove, of the elastic telescopic mechanism is connected with the clamping block, when the inner plug is used, the plug body is plugged into the hollow structure, and the clamping block is clamped with the clamping position of the hollow structure. The locking in two different directions has been constituted, hardly takes off by the pine, and the screens on the hollow structure can be through-hole or recess or arch, all can constitute the joint with the joint structure.

Description

Inner plug

Technical Field

The utility model relates to the technical field of fasteners, in particular to an inner plug.

Background

The inner plug is mainly used for blocking a port of a pipeline or a container, protecting the pipeline port or the container, or preventing foreign matters from entering the pipeline or the container, accumulating garbage and damaging the pipeline or the container.

Common internal plugs in the market are easy to loosen, so that accidental loosening is caused, and the plugging effect is hindered.

Disclosure of Invention

Therefore, in order to solve the above problems, it is necessary to provide an inner plug which can be firmly connected to a port of a hollow structure, is not easy to loosen, and has a good plugging effect.

The utility model provides an inner plug, a port for shutoff hollow structure, hollow structure's lateral wall is provided with the screens, inner plug includes the cock body and installs the joint structure on the cock body, the one end of joint structure is installed in the cock body, the surface of the mobile flexible outstanding cock body of the other end of joint structure, the joint structure includes fixture block and the elastic expansion mechanism who connects the fixture block, it has seted up the movable groove to press from both sides the position that the cover corresponds the joint structure, elastic expansion mechanism's one end is installed in the movable groove, elastic expansion mechanism's the other end telescopically stretches out the notch of movable groove, elastic expansion mechanism keeps away from the one end connection fixture block of movable groove tank bottom, during the use, hollow structure's inside is filled in to the cock body, fixture block joint hollow structure's screens.

Above-mentioned inner plug, during the use, hollow structure's inside is filled in to the cock body, and the periphery of the cock body tightly butts hollow structure's inside, joint structure joint screens, and the cock body is different with the effort direction of joint structure and screens with hollow structure's effort direction, has constituted the locking of two not equidirectionals, hardly the pine takes off, and the screens on the hollow structure can be for through-hole or recess or arch, all can constitute the joint with the joint structure.

In one embodiment, the elastic telescopic mechanism comprises a return spring connected with the bottom of the movable groove and a push rod connected with the return spring, the push rod and the bottom of the movable groove are respectively connected with two ends of the return spring, and two ends of the push rod are respectively connected with the return spring and the clamping block.

In one of them embodiment, the activity groove is the shoulder hole, including the great section in aperture and the less section in aperture of the great section in connecting aperture, reset spring installs in the great section in aperture to can be in the scalable activity in the great section in aperture, the catch bar includes spacing portion and connects the pole portion of spacing portion, the diameter of spacing portion is greater than the diameter of the less section in aperture, spacing portion is located the great section in aperture, the less section in aperture is stretched out to pole portion telescopically, the one end connection fixture block of spacing portion is kept away from to pole portion.

In one embodiment, the cock body includes relative first end and second end, and during the use, in first end with interior stopper plug into hollow structure, one side of fixture block first end is equipped with the inclined plane, the inclined plane is kept away from the central axis of cock body gradually from the direction of the one side of being close to first end towards the second end.

In one embodiment, the included angle between the inclined surface and the central axis of the plug body is 10-60 degrees.

In one embodiment, the side of the fixture block away from the push rod comprises a flat surface, and the flat surface is connected with the inclined surface.

In one embodiment, the plug further comprises a sealing element, the sealing element is sleeved on the periphery of the plug body, and the peripheral surface of the sealing element protrudes out of the peripheral surface of the plug body.

In one embodiment, the plug body is provided with a concave ring on the peripheral surface, and the sealing element is sleeved in the concave ring.

Drawings

FIG. 1 is a schematic view of an embodiment of an internal plug of the present invention;

fig. 2 is a partial cross-sectional view of the plug of fig. 1.

Description of reference numerals:

the plug comprises a plug body 20, a movable groove 21, a first end 22, a second end 23, a concave ring 24, a clamping structure 30, an elastic telescopic mechanism 31, a clamping block 32, a return spring 33, a push rod 34, a limiting part 35, a rod part 36, an inclined surface 37, a plane 38, a sealing element 40 and an inner plug 100.

Detailed Description

In order that the utility model may be more fully understood, reference will now be made to the following description. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Referring to fig. 1 and 2, an inner plug 100 according to an embodiment of the present invention is used for plugging a port of a hollow structure, a clamping position is disposed on a side wall of the hollow structure, the inner plug 100 includes a plug body 20 and a clamping structure 30 mounted on the plug body 20, one end of the clamping structure 30 is mounted on the plug body 20, the other end of the clamping structure 30 protrudes out of a surface of the plug body 20 in a movable and retractable manner, the clamping structure 30 includes a clamping block 32 and an elastic telescopic mechanism 31 connected to the clamping block 32, a movable groove 21 is disposed at a position of a jacket corresponding to the clamping structure 30, one end of the elastic telescopic mechanism 31 is mounted in the movable groove 21, the other end of the elastic telescopic mechanism 31 is telescopically extended out of a notch of the movable groove 21, one end of the elastic telescopic mechanism 31, which is far away from a bottom of the movable groove 21, is connected to the clamping block 32, when in use, the plug body 20 is plugged into the hollow structure, and the clamping position of the hollow structure is clamped by the clamping block 32.

During the use, hollow structure's inside is filled in to cock body 20, and the inside of the tight butt hollow structure of periphery of cock body 20, the screens of joint structure 30 joint, and cock body 20 is different with hollow structure's effort direction and the effort direction of joint structure 30 with the screens, has constituted the locking of two not equidirectionals, hardly loosens and takes off, and the screens on the hollow structure can be through-hole or recess or arch, all can constitute the joint with joint structure 30.

In one embodiment, the elastic telescopic mechanism 31 comprises a return spring 33 connected with the bottom of the movable groove 21 and a push rod 34 connected with the return spring 33, the push rod 34 and the bottom of the movable groove 21 are respectively connected with two ends of the return spring 33, and two ends of the push rod 34 are respectively connected with the return spring 33 and the latch 32.

In one embodiment, activity groove 21 is the shoulder hole, including the great section in aperture and the less section in aperture of the great section in connecting aperture, reset spring 33 installs in the great section in aperture, and can be in the scalable activity in the great section in aperture, catch bar 34 includes spacing portion 35 and connects the pole portion 36 of spacing portion 35, the diameter of spacing portion 35 is greater than the diameter of the less section in aperture, spacing portion 35 is located the great section in aperture, the less section in aperture is stretched out to pole portion 36 telescopically, pole portion 36 is kept away from the one end connection fixture block 32 of spacing portion 35.

In one embodiment, the plug body 20 includes a first end 22 and a second end 23 opposite to each other, and when the plug 100 is inserted into the hollow structure from the first end 22 in use, one side of the first end 22 of the latch 32 is provided with an inclined surface 37, and the inclined surface 37 gradually gets away from the central axis of the plug body 20 from the side close to the first end 22 toward the second end 23. The inclined surface 37 has a guiding function and reduces the resistance between the latch 32 and the side wall of the hollow structure. Preferably, the angle between the inclined surface 37 and the central axis of the plug body 20 is 10 to 60 °.

In one embodiment, the side of the latch 32 away from the push rod 34 includes a flat surface 38, and the flat surface 38 connects the inclined surfaces 37.

In one embodiment, the inner plug 100 further comprises a sealing member 40, the sealing member 40 is sleeved on the outer periphery of the plug body 20, and the peripheral surface of the sealing member 40 protrudes out of the peripheral surface of the plug body 20, so that the connection compactness is increased.

In one embodiment, the circumferential surface of the plug body 20 is provided with a concave ring 24, and the sealing element 40 is sleeved in the concave ring 24, so that the sealing element 40 is prevented from being displaced and separated from the plug body 20 in the using process.

Further, the circumferential surface of the sealing member 40 includes a continuous outwardly-arched arc surface, and the arc surface protrudes from the circumferential surface of the plug body 20, so that the contact area between the sealing member 40 and the sidewall of the hollow structure can be increased, and the detachment resistance can be increased.

The inner plug 100 has two locking directions, so that the plugging is more compact, and the inner plug 100 is difficult to release the hollow structure.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express one embodiment of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. 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. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An inner plug is used for plugging a port of a hollow structure, a clamping position is arranged on the side wall of the hollow structure, it is characterized in that the inner plug comprises a plug body and a clamping structure arranged on the plug body, one end of the clamping structure is arranged on the plug body, the other end of the clamping structure is movably and telescopically protruded out of the surface of the plug body, the clamping structure comprises a clamping block and an elastic telescopic mechanism connected with the clamping block, the clamping block is provided with a movable groove corresponding to the clamping structure, one end of the elastic telescopic mechanism is arranged in the movable groove, the other end of the elastic telescopic mechanism can telescopically extend out of the notch of the movable groove, one end of the elastic telescopic mechanism far away from the bottom of the movable groove is connected with the clamping block, when in use, the plug body is plugged into the hollow structure, and the clamping block is clamped with the clamping position of the hollow structure.

2. The inside plug as claimed in claim 1, wherein the elastic expansion mechanism comprises a return spring connected to the bottom of the movable groove and a push rod connected to the return spring, the push rod and the bottom of the movable groove are respectively connected to two ends of the return spring, and two ends of the push rod are respectively connected to the return spring and the latch.

3. The inside plug as claimed in claim 2, wherein the movable groove is a stepped hole, and includes a section with a larger aperture and a section with a smaller aperture connected to the section with a larger aperture, the return spring is mounted on the section with a larger aperture and can move telescopically in the section with a larger aperture, the push rod includes a limiting portion and a rod portion connected to the limiting portion, the diameter of the limiting portion is larger than that of the section with a smaller aperture, the limiting portion is located on the section with a larger aperture, the rod portion can extend out of the section with a smaller aperture telescopically, and one end of the rod portion, which is far away from the limiting portion, is connected to the fixture block.

4. The inside plug as claimed in claim 3, wherein the plug body includes a first end and a second end opposite to each other, and when in use, the inside plug is plugged into the hollow structure from the first end, one side of the latch is provided with an inclined surface, and the inclined surface is gradually far away from the central axis of the plug body from the side close to the first end towards the direction of the second end.

5. An internal plug according to claim 4, wherein the angle between the inclined surface and the central axis of the plug body is between 10 ° and 60 °.

6. The inside plug as claimed in claim 5, wherein a side of the latch remote from the push rod includes a flat surface connecting the inclined surfaces.

7. The inside plug according to claim 1, further comprising a sealing member, wherein the sealing member is sleeved on the outer periphery of the plug body, and the peripheral surface of the sealing member protrudes from the peripheral surface of the plug body.

8. The inside plug as claimed in claim 7, wherein the periphery of the plug body is provided with a concave ring, and the sealing element is sleeved in the concave ring.