阅读说明：本技术 一种用于管状零件的封堵防鸟装置 (A shutoff bird prevention device for tubular part ) 是由 王灿 李建强 张坎 刘学 郑伟 于 2021-09-06 设计创作，主要内容包括：本发明提供一种用于管状零件的封堵防鸟装置,包括与管状零件的管壁形状相匹配的堵头、以及与堵头相配合设置的胀套；其中,所述堵头呈圆台状,包括相对设置的第一端和第二端；通过在第二端的端面上向管状零件的内腔一侧凸设有多个承压部,多个承压部环绕堵头的中心设置；所述胀套设置于靠近所述第二端处设置且位于所述管状零件内,以及将胀套的外壁具有预设斜度,能够实现通过螺栓贯穿开设于第一端的第一螺纹孔、以及开设于胀套的第二螺纹孔与胀套连接,螺栓带动胀套朝向第二端旋进,进而压紧承压部完成堵头的安装,如此可以将堵头牢固地安装于管状零件的端口位置处,从而起到封堵防鸟的作用,安装简便迅速、稳定可靠、使用寿命长。(The invention provides a blocking and bird-preventing device for a tubular part, which comprises a plug matched with the shape of the tube wall of the tubular part and an expansion sleeve matched with the plug; the plug is in a round table shape and comprises a first end and a second end which are oppositely arranged; a plurality of pressure-bearing parts are convexly arranged on the end face of the second end towards one side of the inner cavity of the tubular part, and the pressure-bearing parts are arranged around the center of the plug; the expansion sleeve is arranged close to the second end and is arranged in the tubular part, the outer wall of the expansion sleeve is provided with a preset inclination, the expansion sleeve can penetrate through a first threaded hole formed in the first end and a second threaded hole formed in the expansion sleeve and is connected with the expansion sleeve, the bolt drives the expansion sleeve to be screwed in towards the second end, the pressure bearing part is further compressed to complete installation of the plug, the plug can be firmly installed at the port position of the tubular part, the effect of blocking and preventing birds is achieved, and the installation is simple, convenient, rapid, stable and reliable and long in service life.)

1. A blocking and bird-preventing device for a tubular part is characterized by comprising a plug matched with the shape of the tube wall of the tubular part and an expansion sleeve matched with the plug; wherein the content of the first and second substances,

the plug is in a round table shape and comprises a first end and a second end which are oppositely arranged, and a flange for the pipe orifice of the tubular part to abut against is formed at the position close to the first end of the tubular part; a plurality of bearing parts are convexly arranged on the end face of the second end towards one side of the inner cavity of the tubular part, and are arranged around the center of the plug; the outer wall of the pressure bearing part is attached to the inner wall of the tubular part; a first threaded hole penetrating through the plug is formed in the middle of the first end;

the expansion sleeve is arranged close to the second end and is positioned in the tubular part, the outer diameter of the expansion sleeve is smaller than the diameter of the pipe wall of the tubular part, the outer wall of the expansion sleeve is provided with a preset inclination, and the outer diameter of the expansion sleeve close to the second end is smaller than the outer diameter far away from the second end; the middle part of the expansion sleeve is provided with a second threaded hole with the same aperture as the first threaded hole; the outer wall of the expansion sleeve abuts against the inner surface of the bearing portion, the plug penetrates through the first threaded hole and the second threaded hole through bolts and is connected with the expansion sleeve, the bolts drive the expansion sleeve to be screwed towards the second end, and then the bearing portion is pressed tightly to complete installation of the plug.

2. The plugging bird-preventing device according to claim 1, wherein a plurality of pressure-bearing portions surround to form an annular enclosure, a plurality of separation grooves which extend along the axial direction of the plug and have a preset width are formed in the annular enclosure, and the separation grooves divide the annular enclosure into a plurality of elastic pieces; the expansion sleeve body is in a round table shape.

3. The plugging and bird-preventing device according to claim 2, wherein the axial dimension of the expansion sleeve is smaller than the height of the annular enclosure, and the axial dimension of the expansion sleeve is set between 18 mm and 22 mm.

4. The plugging and bird-preventing device according to claim 3, wherein the first end is provided with four first through holes uniformly arranged along the circumferential direction of the first end; the expansion sleeve is provided with four second through holes which are uniformly distributed along the circumferential direction of the expansion sleeve and correspond to the first through holes one to one.

5. The plugging bird control device of claim 2, wherein the predetermined slope is set between 75 ° and 88 °.

6. The plugging and bird repelling device according to claim 2, wherein the predetermined thickness of the annular barrier is set between 2-3 mm and the predetermined width of the separation groove is set between 2-4 mm.

7. The plugging and bird-preventing device according to claim 4, wherein the diameters of the first through hole and the second through hole are both set between 14mm and 16 mm; the first threaded hole with the aperture of second threaded hole all sets up between 11 ~ 14 mm.

8. The plugging bird control device of any one of claims 1-7, wherein a rubber gasket is further cushioned between the bolt and the first end.

9. The plugging bird repellent device of any one of claims 1-7, wherein the resilient sheet is made of rubber.

10. The plugging bird-preventing device according to any one of claim 2, wherein the number of the elastic sheets and the number of the separation grooves are eight, and the eight elastic sheets are uniformly arranged along the circumferential direction of the annular enclosure.

Technical Field

The invention relates to the technical field of high-voltage electric appliances, in particular to a plugging bird prevention device for tubular parts.

Background

The transformer substation is generally far away from the urban center, and more places are selected in suburbs or mountainous areas. Outdoor transformer substations far away from city centers have good ecological environment and frequent bird movement, and the safe operation of the transformer substations is threatened by bird damage. Especially, a plurality of tubular parts exist in the transformer substation, part of the parts are not sealed in the design or are not sealed in the design due to the design requirement, the tubular parts provide convenience for nesting of birds, in the operation of the isolating switch, the birds can be frequently found to nest in the tubular parts, the birds frequently enter and exit the nests, foreign matters and bird dung on porcelain bottles are accumulated, the surface dirt is serious, the porcelain bottles are easily subjected to flashover breakdown, and the like, so that the operation safety of the transformer substation is influenced.

In view of the above, there is a need for a blocking bird guard for tubular parts that solves or at least alleviates the above-mentioned drawbacks.

Disclosure of Invention

The invention mainly aims to provide a plugging bird-preventing device for tubular parts, which aims to solve the problem that the operation safety of a transformer substation is influenced because birds nest in the tubular parts because part of the tubular parts in the transformer substation are not sealed during design or the sealing is not designed due to the design requirement.

In order to achieve the purpose, the invention provides a plugging bird-preventing device for a tubular part, which comprises a plug matched with the shape of the tube wall of the tubular part and an expansion sleeve matched with the plug; wherein the content of the first and second substances,

the plug is in a round table shape and comprises a first end and a second end which are oppositely arranged, and a flange for the pipe orifice of the tubular part to abut against is formed at the position close to the first end of the tubular part; a plurality of bearing parts are convexly arranged on the end face of the second end towards one side of the inner cavity of the tubular part, and are arranged around the center of the plug; the outer wall of the pressure bearing part is attached to the inner wall of the tubular part; a first threaded hole penetrating through the plug is formed in the middle of the first end;

the expansion sleeve is arranged close to the second end and is positioned in the tubular part, the outer diameter of the expansion sleeve is smaller than the diameter of the pipe wall of the tubular part, the outer wall of the expansion sleeve is provided with a preset inclination, and the outer diameter of the expansion sleeve close to the second end is smaller than the outer diameter far away from the second end; the middle part of the expansion sleeve is provided with a second threaded hole with the same aperture as the first threaded hole; the outer wall of the expansion sleeve abuts against the inner surface of the bearing portion, the plug penetrates through the first threaded hole and the second threaded hole through bolts and is connected with the expansion sleeve, the bolts drive the expansion sleeve to be screwed towards the second end, and then the bearing portion is pressed tightly to complete installation of the plug.

Preferably, the plurality of pressure-bearing portions surround to form an annular enclosure, a plurality of separation grooves which extend along the axial direction of the plug and have preset widths are formed in the annular enclosure, and the separation grooves divide the annular enclosure into a plurality of elastic sheets; the expansion sleeve body is in a round table shape.

Preferably, the axial dimension of the expansion sleeve is smaller than the height of the annular enclosure, and the axial dimension of the expansion sleeve is set to be 18-22 mm.

Preferably, the first end is provided with four first through holes uniformly distributed along the circumferential direction of the first end; the expansion sleeve is provided with four second through holes which are uniformly distributed along the circumferential direction of the expansion sleeve and correspond to the first through holes one to one.

Preferably, the preset slope is set between 75 ° and 88 °.

Preferably, the preset thickness of the annular enclosure is set to be 2-3 mm, and the preset width of the separation groove is set to be 2-4 mm.

Preferably, the aperture of each of the first through hole and the second through hole is 14-16 mm; the first threaded hole with the aperture of second threaded hole all sets up between 11 ~ 14 mm.

Preferably, a rubber gasket is padded between the bolt and the first end.

Preferably, the elastic sheet is made of rubber.

Preferably, the number of the elastic sheets and the number of the separation grooves are eight, and the eight elastic sheets are uniformly distributed along the circumferential direction of the annular enclosure.

Compared with the prior art, the invention has the following beneficial effects:

the invention provides a plugging anti-bird device for a tubular part, which comprises a plug matched with the shape of the tube wall of the tubular part and an expansion sleeve matched with the plug, wherein the plug is in a circular truncated cone shape and comprises a first end and a second end which are oppositely arranged; the end face of the second end is convexly provided with a plurality of bearing parts to one side of the inner cavity of the tubular part, the bearing parts are arranged around the center of the plug, the outer wall of the expansion sleeve has a preset inclination, a first threaded hole formed in the first end and a second threaded hole formed in the expansion sleeve can be connected with the expansion sleeve through a bolt, the bolt drives the expansion sleeve to rotate towards the second end, and the bearing parts are further pressed to complete installation of the plug, so that the plug can be firmly installed at the port position of the tubular part, and the effect of blocking and preventing birds is achieved.

The invention does not need to process on the tubular parts, can be directly installed on site, does not need additional processing, and has longer service life than a rubber plugging device; meanwhile, the first through holes with the ventilation and drainage functions and the second through holes are arranged in a one-to-one correspondence mode, so that water accumulation inside the tubular part is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a top view of a plug in accordance with an embodiment of the present invention;

FIG. 2 is a schematic sectional view taken along the line A-A in FIG. 1;

FIG. 3 is a top view of an expansion sleeve in an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 3;

fig. 5 is a diagram of an application scenario in an embodiment of the present invention.

The objects, features and advantages of the present invention will be further explained with reference to the accompanying drawings.

The reference numbers illustrate:

a plug 100; a first end 110; a flange 111; a first threaded hole 112; a first through-hole 113; a second end 120; a pressure receiving portion 130; an annular enclosure 140; a separation groove 150; a spring plate 160;

an expansion sleeve 200; a second threaded hole 210; a second through-hole 220;

a bolt 300; a rubber gasket 310; a tubular element 400.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 5, in an embodiment of the present invention, an apparatus for blocking and preventing bird for tubular parts includes a plug 100 matching with a wall shape of a tubular part 400, and an expansion sleeve 200 matching with the plug 100. It should be understood by those skilled in the art that the plug 100 is used for plugging the port of the tubular element 400, so as to directly avoid nesting of birds in the tubular element 400, and the expansion sleeve 200 is used for cooperating with the plug 100, so that the plug 100 can be stably and reliably plugged at the port of the tubular element 400, as follows:

the plug 100 is in a circular truncated cone shape and comprises a first end 110 and a second end 120 which are oppositely arranged, and a flange 111 for abutting against a pipe orifice of the tubular part 400 is formed at a position close to the first end 110 of the tubular part 400; a plurality of bearing parts 130 are convexly arranged on the end face of the second end 120 towards one side of the inner cavity of the tubular part 400, and the plurality of bearing parts 130 are arranged around the center of the plug 100; the outer wall of the pressure-bearing part 130 is attached to the inner wall of the tubular part 400; a first threaded hole 112 is formed through the plug 100 at the middle of the first end 110. Specifically, after the plug 100 is screwed, the flange 111 abuts against the port of the tubular part 400, and the pressure receiving portion 130 is used in cooperation with the expansion sleeve 200, that is, the pressure receiving portion 130 can be pressed against the inner wall of the tubular part 400 by the pressing action of the expansion sleeve 200, so that the plug 100 can be firmly plugged at the port of the tubular part 400.

The expansion sleeve 200 is arranged close to the second end 120 and located in the tubular part 400, the outer diameter of the expansion sleeve 200 is smaller than the diameter of the pipe wall of the tubular part 400, the outer wall of the expansion sleeve 200 has a preset slope, and the outer diameter of the expansion sleeve 200 close to the second end 120 is smaller than the outer diameter far away from the second end 120; the middle part of the expansion sleeve 200 is provided with a second threaded hole 210 with the same aperture as the first threaded hole 112; the outer wall of the expansion sleeve 200 abuts against the inner surface of the bearing portion 130, the plug 100 penetrates through the first threaded hole 112 and the second threaded hole 210 through a bolt 300 and is connected with the expansion sleeve 200, the bolt 300 drives the expansion sleeve 200 to be screwed towards the second end 120, and then the bearing portion 130 is pressed to complete the installation of the plug 100.

The working process is as follows: the outer wall of the expansion sleeve 200 is set to be a wall surface with a preset inclination, the plug 100 is stabilized by hand or in other manners in the screwing process of the bolt 300, and the expansion sleeve 200 is driven to move along the inner cavity of the tubular part 400 along with the continuous screwing of the bolt 300, for example, the bolt 300 is screwed by a wrench, because the outer wall of the expansion sleeve 200 is set to be a surface with a preset inclination, the bearing part 130 can be continuously pressed, the contact area between the expansion sleeve 200 and the bearing part 130 is continuously increased due to the continuous screwing of the bolt 300, the pressing deformation of the bearing part 130 is increased, the bearing part 130 is pressed, and the installation of the plug 100 is completed, so the plug 100 can be firmly installed at the port position of the tubular part 400, and the effect of blocking and preventing birds is achieved.

As a preferred embodiment of the present invention, the plurality of pressure-bearing portions 130 surround to form an annular surrounding barrier 140, the annular surrounding barrier 140 is provided with a plurality of separating grooves 150 extending along the axial direction of the plug 100 and having a predetermined width, and the separating grooves 150 divide the annular surrounding barrier 140 into a plurality of elastic pieces 160; the expansion sleeve 200 body is in a circular truncated cone shape. It should be understood by those skilled in the art that a plurality of the pressure-bearing portions 130 may surround to form an annular enclosure 140, or may be dispersed in the second end surface, as long as the expansion sleeve 200 can press against the inner surface of the pressure-bearing portion 130 to the inner wall of the tubular part 400 during the screwing process of the bolt 300, and the end cap 100 can be firmly plugged at the port position of the tubular part 400 as the pressure-bearing portion 130 of the present invention. Preferably, in this embodiment, the plurality of pressure-bearing portions 130 surround to form the annular enclosure 140, and the annular enclosure 140 is provided with the plurality of separation grooves 150, so as to form the plurality of elastic pieces 160, so that the stress manner between the expansion sleeve 200 and the pressure-bearing portions 130 in the screwing process of the bolt 300 is more reasonable and uniform, and the plug 100 is further plugged at the port position of the tubular part 400 more firmly.

As a preferred embodiment of the present invention, the axial dimension of the expansion sleeve 200 is smaller than the height of the annular enclosure 140, and the axial dimension of the expansion sleeve 200 is set between 18 mm and 22 mm. It should be noted that the circumferential dimension of the expansion sleeve 200 is set to be smaller than the height of the annular enclosure 140, so that there is sufficient space between the elastic sheet 160 and the outside of the expansion sleeve 200 for pressing, thereby ensuring that the plug 100 can be firmly screwed at the port of the tubular part 400.

As a preferred embodiment of the present invention, the first end 110 is provided with four first through holes 113 uniformly arranged along the circumferential direction of the first end 110; the expansion sleeve 200 is provided with four second through holes 220 which are uniformly distributed along the circumferential direction of the expansion sleeve 200 and are in one-to-one correspondence with the first through holes 113. It is worth noting that, for avoiding the inside ponding of tubular part 400, in this embodiment first end 110 has been seted up four edges first through-hole 113 that the circumference of first end 110 was evenly arranged, the cover 200 that expands has been seted up four edges the circumference of the cover 200 that expands is evenly arranged, and with the second through-hole 220 of first through-hole 113 one-to-one, through the first through-hole 113 that has the ventilation drainage function of one-to-one and second through-hole 220 to avoid the inside ponding of tubular part 400. Meanwhile, the number of the first through holes 113 and the second through holes 220 may be set according to actual needs, which is not described herein.

Further, the preset inclination is set between 75 and 88 degrees. It is understood that in other embodiments, the preset slope can be flexibly selected according to actual needs.

Further, the preset thickness of the annular enclosure 140 is set between 2mm and 3mm, and the preset width of the separation groove 150 is set between 2mm and 4 mm. It should be noted that the thickness of the annular enclosure 140 and the width of the separation groove 150 should be set according to actual requirements, the thickness of the annular enclosure 140 is the thickness of the elastic sheet 160, and the thickness of the elastic sheet 160 should match with the outer wall of the expansion sleeve 200, and it is too thin and may not be screwed tightly, and too thick, there is a problem of labor and difficulty in screwing.

Further, the aperture of each of the first through hole 113 and the second through hole 220 is set to be 14-16 mm; the first threaded hole 112 and the second threaded hole 210 are all arranged between 11 mm and 14mm in diameter. It is understood that the diameters of the first through hole 113, the second through hole 220, the first threaded hole 112 and the second threaded hole 210 can also be adaptively set according to actual needs. For example, when the tubular part 400 having a large aperture is to be sealed, the apertures of the first through-hole 113 and the second through-hole 220 may be appropriately enlarged.

As a specific example of the present invention, a rubber gasket 310 is further installed between the bolt 300 and the first end 110. The rubber gasket 310 is arranged to increase the contact area and prevent looseness.

Further, the elastic sheet 160 is made of rubber. The elastic sheet 160 made of rubber has elasticity, wear resistance and longer service life.

In a specific embodiment, the number of the elastic pieces 160 and the number of the separation grooves 150 are eight, and the eight elastic pieces 160 are uniformly arranged along the circumferential direction of the annular enclosure 140. It can be understood that, in other embodiments, the number of the resilient pieces 160 and the separation grooves 150 may also be set according to actual needs, and preferably, in this embodiment, the number of the resilient pieces 160 and the separation grooves 150 is set to be eight, and the bolt 300 can enable the expansion sleeve 200 to uniformly press the resilient pieces 160 in the screwing process by adopting a uniformly distributed manner, so that the plug 100 can be better plugged at the port of the tubular part 400.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.