CN217726887U - Thin pipe pipeline reaming device - Google Patents
Thin pipe pipeline reaming device Download PDFInfo
- Publication number
- CN217726887U CN217726887U CN202221876250.8U CN202221876250U CN217726887U CN 217726887 U CN217726887 U CN 217726887U CN 202221876250 U CN202221876250 U CN 202221876250U CN 217726887 U CN217726887 U CN 217726887U
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- CN
- China
- Prior art keywords
- connecting part
- screw rod
- thin pipe
- reaming device
- inner cavity
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model provides a thin pipe pipeline reaming device, include: the base is provided with an inner cavity and an opening communicated with the inner cavity; one end of the screw rod penetrates through the opening and movably extends into or out of the inner cavity; the reaming head is static relative to the screw rod and comprises a first connecting part arranged close to the screw rod, a second connecting part arranged opposite to the first connecting part and an expanding part positioned between the first connecting part and the second connecting part; the expansion part comprises a first end connected with the first connecting part and a second end connected with the second connecting part, the cross sections of the first end and the second end are both circular, and the diameter of the first end is gradually reduced from the second end. The utility model provides a traditional reaming device pipeline mouth technical problem of unevenness easily appears when the reaming.
Description
Technical Field
The utility model relates to an electromechanical engineering technical field especially relates to a thin pipe pipeline reaming device.
Background
The welding of different pipe diameters's pipeline needs the welding reducer of purchase finished product among the electromechanical engineering, but the size of welding reducer is often nonstandard on the market. In order to utilize the ductility of a pipeline (such as a thin-wall steel pipe), the small pipe is expanded into a pipeline with an adjacent specification and size, the publication number is CN215090261U, and the name is Chinese utility model patent of a building pipeline maintenance expanding mechanism, and the Chinese utility model patent discloses that a hole expanding component … … mounting plate is arranged between a driving disc and the bottom of a mounting groove, one side of the mounting plate close to the driving disc is fixedly provided with a hole expanding rod and a guide rod, the hole expanding rod is rotatably connected with the mounting plate, and the hole expanding rod penetrates through a circular through hole … …. The reaming mechanism drives the reaming rods on the reaming mechanism to move together through the sliding mounting plate, so that the reaming rods are gradually contracted or gradually expanded to ream the pipeline. However, because a plurality of reaming rods are arranged in a circumferential array, and are in line-line contact with the inner wall of the pipeline, the contact parts of the reaming rods extend outwards during reaming, but the contact parts of the reaming rods are not static, so that the surface of the pipeline opening is prone to be uneven, and the pipeline opening needs to be paved by manual assistance in the follow-up process, so that the welding is facilitated.
SUMMERY OF THE UTILITY MODEL
To exist not enough among the prior art, the utility model provides a thin pipe pipeline reaming device to traditional reaming device easily appears the technical problem of unevenness when reaming in the reaming pipeline mouth in solving the correlation technique.
The utility model provides a thin pipe pipeline reaming device, include:
the base is provided with an inner cavity and an opening communicated with the inner cavity;
one end of the screw rod penetrates through the opening and movably extends into or out of the inner cavity;
the reaming head is static relative to the screw rod and comprises a first connecting part arranged close to the screw rod, a second connecting part arranged opposite to the first connecting part and an expanding part positioned between the first connecting part and the second connecting part;
the expansion part comprises a first end connected with the first connecting part and a second end connected with the second connecting part, the cross sections of the first end and the second end are both circular, and the diameter of the first end is gradually reduced from the second end.
Further, the first connecting portion is of a cylindrical structure, and the diameter of the first connecting portion is equal to that of the first end.
Furthermore, one end of the first connecting part, which is far away from the first end, is provided with an annular notch.
Further, be equipped with integrative sleeve on the first connecting portion, the sleeve with screw rod interference fit.
Furthermore, a plurality of positioning through holes communicated with each other are formed in the screw rod and the sleeve, and the screw thread is arranged in the positioning through holes in a rotating mode so as to lock the screw rod and the sleeve.
Further, a top pad which is coaxially arranged with the screw rod is arranged between the screw rod and the sleeve, one end of the top pad is fixedly sleeved on the screw rod, and the other end of the top pad is abutted to the sleeve.
Further, the second connecting portion is of a conical structure, and the large-diameter end of the second connecting portion is connected with the second end.
Furthermore, the opening is provided with a nut matched with the screw rod, and the inner cavity is provided with a driving piece for driving the screw rod to extend into or out of the inner cavity.
Furthermore, a grab handle is arranged on the base.
Furthermore, be equipped with integrative supporting seat on the base, be equipped with a plurality of bar mouths and be used for supporting on the supporting seat the gag lever post of base.
The utility model discloses a theory of operation: wear to locate pipeline mouth department with the second connecting portion, then start the screw rod and make it drive the expansion portion through first connecting portion and stretch into the pipeline gradually and expand the pipeline mouth, at last reaming accomplish the back screw rod and reaming head reset can.
Compared with the prior art, the utility model discloses following beneficial effect has: the screw rod can extend into or out of the inner cavity of the base and keep a relative static state with the reaming head, so that the telescopic screw rod drives the reaming head to feed in the pipeline, and the reaming treatment of the pipeline opening is realized; in addition, the first end of expansion portion and the cross-section of second end are circular, and first end reduces gradually from its diameter of second end, not only can adapt to the pipeline reaming of different models, and expansion portion can contact completely with the pipeline inner wall moreover, makes its expansion simultaneously, avoids appearing unevenness's the condition because of the too narrow pipeline mouth surface that leads to after the reaming of contact surface.
Drawings
Fig. 1 is a schematic structural view of a thin pipe pipeline reaming device according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
fig. 3 is an exploded view of fig. 1.
The reference numbers illustrate:
1. a base; 101. an inner cavity; 2. a screw; 3. a reaming head; 301. a first connection portion; 302. a second connecting portion; 303. an expansion section; 304. a first end; 305. a second end; 4. a notch; 5. a sleeve; 6. a top pad; 7. a nut; 8. a handle; 9. a supporting base; 10. a strip-shaped opening; 11. a limiting rod.
The realization, the functional characteristics and the advantages of the utility model are further explained by combining the embodiment and referring to the attached drawings.
Detailed Description
In order to make the objects, technical solutions and advantageous effects of the present invention more clearly understood, the following technical solutions of the present invention are further described with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 3, the utility model provides a thin pipe pipeline reaming device, include:
the base 1 is provided with an inner cavity 101 and an opening communicated with the inner cavity 101;
one end of the screw rod 2 penetrates through the opening and movably extends into or out of the inner cavity 101;
a reaming head 3, said reaming head 3 being stationary with respect to said screw 2 and comprising a first connection portion 301 arranged close to said screw 2, a second connection portion 302 arranged opposite to said first connection portion 301 and an expansion portion 303 located between said first connection portion 301 and said second connection portion 302;
the expanding portion 303 includes a first end 304 connected to the first connecting portion 301, and a second end 305 connected to the second connecting portion 302, wherein the first end 304 and the second end 305 are both circular in cross section, and the diameter of the expanding portion gradually decreases from the first end 304 to the second end 305.
In this embodiment, as shown in fig. 1 and fig. 2, the base 1 is a cylindrical structure and is provided with an inner cavity 101 and an opening communicating with the inner cavity 101, so that one end of the screw 2 is movably inserted into the inner cavity 101 through the opening to achieve the expansion and contraction of the screw 2 in the inner cavity 101, and the expansion and contraction of the screw 2 can make the reaming head 3 move synchronously with the reaming head so as to facilitate the feeding of the reaming head 3 at the pipe orifice, thereby achieving the purpose of reaming the pipe; on the other hand, in order to avoid the situation that the surface of the pipeline port is uneven during broaching, as shown in fig. 1-3, the broaching head 3 comprises a first connecting part 301, a second connecting part 302, and an expanding part 303 positioned between the first connecting part 301 and the second connecting part 302, wherein the first connecting part 301 is used for being connected to the screw rod 2 so as to enable the expanding part 303 and the second connecting part 302 to be kept in a relative static state with the screw rod 2 through the first connecting part 301, and the second connecting part 302 is arranged opposite to the first connecting part 301 and used for extending into the pipeline port to play a role of guiding; the expansion part 303 comprises a first end 304 and a second end 305, the first end 304 is used for connecting with the first connection part 301, the second end 305 is used for connecting with the second connection part 302, the cross sections of the first end 304 and the second end 305 are circular, the diameter of the expansion part 303 is gradually reduced from the first end 304 to the second end 305, therefore, when in reaming, the second connection part 302 is extended into the pipeline, then the screw rod 2 gradually pushes the expansion part 303 through the first connection part 301, the surface of the expansion part is gradually pressed against the inner wall of the pipeline, and the expansion part is reamed by utilizing the ductility of the pipeline, so as to facilitate welding; in this in-process, expansion portion 303 can contact with the pipeline inner wall completely all the time, can not have the condition that the contact is not in place to can avoid the pipe surface unevenness's after the reaming condition to appear, in addition, diameter degressive expansion portion 303 can adapt to the reaming operation in different model pipelines gradually, makes its reaming surface level and smooth, need not artifical supplementary level and smooth.
The first connecting portion 301 has a cylindrical structure with a diameter equal to the diameter of the first end 304.
In this embodiment, as shown in fig. 1 or fig. 3, in order to avoid the pipe orifice from being expanded without limitation and causing the pipe orifice to break, the first connection portion 301 is in a cylindrical structure, and the diameter of the first connection portion is equal to the diameter of the first end 304, so that the first connection portion 301 is used as a critical point for reaming, when the pipe orifice is no longer expanded, the pipe orifice is shown to be expanded to the maximum, and at this time, the first connection portion 301 can support and limit the pipe orifice, so as to facilitate welding.
An annular gap 4 is arranged at one end of the first connecting part 301, which is far away from the first end 304.
In this embodiment, in order to avoid that the first connecting portion 301 completely extends into the pipeline and cannot be quickly pulled out after the reaming is completed, as shown in fig. 2, a notch 4 is provided at an end of the first connecting portion 301 away from the first end 304, and the notch 4 can reduce a contact area between the first connecting portion 301 and an inner wall of the pipeline, so that the expanding portion 303 can be conveniently and quickly pulled out from the pipeline; of course, since the first connection portion 301 has a cylindrical structure, since the notch 4 has a ring shape in order to reduce the contact area between the first connection portion 301 and the inner wall of the pipe to the maximum extent, when the first connection portion 301 comes into contact with the inner wall of the pipe, a gap exists between the first connection portion 301 located at the notch 4 and the inner wall of the pipe.
The first connecting portion 301 is provided with an integrated sleeve 5, and the sleeve 5 is in interference fit with the screw rod 2.
In this embodiment, as shown in fig. 1 and fig. 2, in order to move the first connection portion 301 and the screw rod 2 synchronously and keep them relatively still, an integral sleeve 5 is disposed on one end of the first connection portion 301 away from the expansion portion 303, and the sleeve 5 is used for interference fit with the screw rod 2, so that the screw rod 2 can drive the whole expansion head 3 to move when the sleeve 5 is used as an intermediate connection member. Further, a plurality of positioning through holes communicated with each other are formed in the screw rod 2 and the sleeve 5, the screw threads are arranged in the positioning through holes in a screwed mode, and in order to further lock the screw rod 2 and the sleeve 5, the sleeve 5 can be tightly fixed on the screw rod 2 through the matching of the screw and the positioning through holes (not shown), and relative movement between the screw rod 2 and the sleeve 5 is avoided.
A top pad 6 which is coaxially arranged with the screw rod 2 is arranged between the screw rod 2 and the sleeve 5, one end of the top pad 6 is fixedly sleeved on the screw rod 2, and the other end of the top pad is abutted to the sleeve 5.
In the embodiment, as shown in fig. 2 and 3, in order to improve the tightness between the screw rod 2 and the sleeve 5 and reduce the abrasion of the sleeve 5 to the screw rod 2, a top pad 6 is arranged between the screw rod 2 and the sleeve 5 coaxially with the screw rod, one end of the top pad 6 is fixed on the screw rod 2 through a screw, and the other end of the top pad abuts against the sleeve 5, so as to achieve the purposes of buffering and damping; as shown in fig. 3, in order to enable the sleeve 5 to be smoothly sleeved on the screw rod 2 during assembly, a plurality of yielding grooves are formed on the circumferential surface of the top pad 6 to reduce the contact area between the circumferential surface and the sleeve 5, so that the sleeve 5 and the screw rod 2 are in interference fit.
The second connecting portion 302 has a tapered structure, and the large diameter end of the second connecting portion 302 is connected to the second end 305.
In this embodiment, as shown in fig. 2, in order to facilitate the second connecting portion 302 to be able to penetrate through the pipeline, the second connecting portion 302 is in a tapered structure, and a large diameter end of the second connecting portion is connected to the second end 305, so as to guide the expanding portion 303.
The opening is provided with a nut 7 matched with the screw rod 2, and the inner cavity 101 is provided with a driving piece for driving the screw rod 2 to extend into or out of the inner cavity 101.
In this embodiment, for the purpose of positioning and guiding the screw rod 2, as shown in fig. 1 and fig. 2, a nut 7 adapted to the screw rod 2 is disposed at the opening, and the screw rod 2 is screwed into or out of the nut 7 to extend or retract the screw rod 2 in the inner cavity 101, wherein the driving force of the screw rod 2 is derived from a driving member (not shown) disposed on the inner cavity 101, and the driving member may be directly driven by a motor or driven by a worm and gear mechanism, that is: the worm rotates to drive the worm wheel matched with the worm to rotate, and the worm wheel forces the screw rod 2 to extend out of or into the inner cavity 101 through the threads of the shaft hole when rotating.
The base 1 is provided with a grab handle 8.
In this embodiment, as shown in fig. 1-3, a handle 8 is provided on the base 1 for facilitating the gripping of the worker or the carrying of the device.
Be equipped with integrative supporting seat 9 on the base 1, be equipped with a plurality of bar mouths 10 and be used for supporting on the supporting seat 9 the gag lever post 11 of base 1.
In this embodiment, as shown in fig. 3, the device further includes a supporting seat 9, the supporting seat 9 is an L-shaped structure, a vertical end of the supporting seat 9 is integrally formed with the base 1, and a horizontal end of the supporting seat is used for being placed on a plane to play a supporting role; naturally, in order to reinforce the support base 9, a reinforcing rib is additionally arranged at the joint of the vertical end and the transverse end of the support base; in order to reduce the weight of the vertical end of the support seat 9, the vertical end of the support seat is provided with a strip-shaped opening 10 (in this embodiment, two strip-shaped openings 10 arranged at intervals are taken as an example), so that the support seat 9 can be prevented from collapsing, and the damage to the pipeline is reduced; in addition, in order to keep the base 1 horizontal, a limiting rod 11 (in this embodiment, one limiting rod 11 is taken as an example) is provided, and the limiting rod 11 is fixed at the reinforcing rib to support the base 1, so as to avoid the expansion dead angle during reaming.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (10)
1. A thin pipe reaming device, comprising:
the base is provided with an inner cavity and an opening communicated with the inner cavity;
one end of the screw rod penetrates through the opening and movably extends into or out of the inner cavity;
the reaming head is static relative to the screw rod and comprises a first connecting part arranged close to the screw rod, a second connecting part arranged opposite to the first connecting part and an expanding part positioned between the first connecting part and the second connecting part;
the expansion part comprises a first end connected with the first connecting part and a second end connected with the second connecting part, the cross sections of the first end and the second end are both circular, and the diameter of the first end is gradually reduced from the second end.
2. A thin pipe reaming device as claimed in claim 1 wherein said first connection is of cylindrical configuration having a diameter equal to the diameter of said first end.
3. A thin pipe reaming device according to claim 1 or 2 wherein the end of the first connection portion remote from the first end is provided with an annular indentation.
4. A thin pipe reaming device according to claim 1 or 2 wherein the first connection portion is provided with an integral sleeve, the sleeve being in interference fit with the threaded rod.
5. The thin pipe pipeline reaming device according to claim 4, wherein the screw rod and the sleeve are respectively provided with a plurality of positioning through holes communicated with each other, and the screw thread is screwed in the positioning through holes to lock the screw rod and the sleeve.
6. The thin pipe pipeline reaming device according to claim 4, wherein a top pad is disposed between said screw and said sleeve coaxially therewith, one end of said top pad is fixedly secured to said screw, and the other end thereof abuts against said sleeve.
7. A thin pipe reaming device as claimed in claim 1 wherein said second connecting portion is of tapered configuration and the larger diameter end of said second connecting portion is connected to said second end.
8. The thin pipe reaming device according to claim 1, wherein the opening is provided with a nut adapted to the screw, and the inner cavity is provided with a driving member for driving the screw to extend into or out of the inner cavity.
9. A thin pipe line reaming device as claimed in claim 1 wherein the base is provided with a grip.
10. The thin pipe pipeline reaming device according to claim 1, wherein the base is provided with an integrated supporting seat, and the supporting seat is provided with a plurality of strip-shaped openings and a limiting rod for supporting the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221876250.8U CN217726887U (en) | 2022-07-20 | 2022-07-20 | Thin pipe pipeline reaming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221876250.8U CN217726887U (en) | 2022-07-20 | 2022-07-20 | Thin pipe pipeline reaming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217726887U true CN217726887U (en) | 2022-11-04 |
Family
ID=83850269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221876250.8U Withdrawn - After Issue CN217726887U (en) | 2022-07-20 | 2022-07-20 | Thin pipe pipeline reaming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217726887U (en) |
-
2022
- 2022-07-20 CN CN202221876250.8U patent/CN217726887U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20221104 Effective date of abandoning: 20230717 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20221104 Effective date of abandoning: 20230717 |