CN217073345U - Pipe expansion head assembly and pipe expansion tongs - Google Patents
Pipe expansion head assembly and pipe expansion tongs Download PDFInfo
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- CN217073345U CN217073345U CN202220625930.6U CN202220625930U CN217073345U CN 217073345 U CN217073345 U CN 217073345U CN 202220625930 U CN202220625930 U CN 202220625930U CN 217073345 U CN217073345 U CN 217073345U
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Abstract
The utility model discloses a tub of head subassembly and pipe tongs rises, wherein the pipe head subassembly that rises includes connecting seat and two at least pipe fittings that rise, be equipped with annular positioning groove on the connecting seat, the pipe fittings that rise respectively swing joint in the inner week of annular positioning groove, the pipe fittings that rise are followed the axle center direction of connecting seat is including location portion, first post portion, first pyramis, second column portion and the second pyramis portion that sets gradually, location portion connects in the annular positioning groove, the location portion concatenation of the pipe fittings that rises constitutes the positioning disk, the periphery cover of positioning disk is equipped with the elastic component, the first post portion concatenation of the pipe fittings that rise constitutes first cylinder, the first pyramis concatenation of the pipe fittings that rise constitutes first frustum, the second pyramis concatenation of the pipe fittings that rises constitutes the second cylinder, the second pyramis concatenation of the pipe fittings that rises constitutes the second frustum. The utility model discloses it is big to use size coverage, and the commonality is strong, reducible staff's the instrument of carrying quantity, and stability is good, convenient operation.
Description
Technical Field
The utility model relates to a pipeline expanding tool, concretely relates to tub of head subassembly and tub pincers rise that rise.
Background
The pipeline expanding tool has wide application range in the field of pipelines, for example, in domestic cold and hot water and household heating pipelines, a flexible pipe with ductility needs to be expanded, so that the expanded flexible pipe is sleeved on another joint to realize the installation and connection of the pipelines.
In the existing pipeline expansion process, due to the fact that the sizes of different pipelines are different, the size coverage range is large, workers need to be equipped with pipe expanding tongs with multiple specifications, and the defects of inconvenience in carrying and trouble in operation exist; and the tube expansion head is easy to shake, has poor use stability and is not easy to operate.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a technical scheme does:
the utility model provides an expansion pipe head assembly, includes connecting seat and two at least pipe fittings that expand, be equipped with annular positioning groove on the connecting seat, the pipe fittings that expand be swing joint respectively in the inner periphery of annular positioning groove, the pipe fittings that expand follows the axle center direction of connecting seat is including location portion, first post portion, first pyramis, second column portion and the second toper portion that sets gradually, location portion connects in the annular positioning groove, the location portion concatenation of the pipe fittings that expand constitutes the positioning disk, the periphery cover of positioning disk is equipped with the elastic component, the first post portion concatenation of the pipe fittings that expand constitutes first cylinder, the first pyramis concatenation of the pipe fittings that expand constitutes first frustum, the second column portion concatenation of the pipe fittings that expand constitutes the second cylinder, the second toper portion concatenation of the pipe fittings that expand constitutes the second frustum.
The utility model discloses further set up to location portion is close to the surface of annular positioning groove is equipped with the arc recess, the elastic component is connected in the arc recess.
The utility model discloses further set up to the inside holding ring that is provided with of annular positioning groove, the holding ring sets up annular positioning groove's inner wall with between the elastic component.
The utility model discloses further set up to the external diameter of first cylinder is greater than the external diameter of second cylinder, the external diameter of first frustum with the external diameter of second frustum is followed the axle center direction of connecting seat steadilys decrease in proper order.
The utility model discloses further set up to location portion with be provided with spacing portion between the first post portion, spacing portion with the opening outer wall of annular positioning groove sets up relatively.
The utility model discloses further set up to first pyramis with the surface of second pyramis all is equipped with the echelonment external tooth.
The utility model discloses further set up to be equipped with connecting portion on the connecting seat, the inner wall of connecting portion is equipped with the internal thread.
The utility model discloses further set up to the surface of connecting seat is equipped with anti-skidding stripe.
The pipe expanding pliers comprise the pipe expanding head assembly, and further comprise an inlay, a handle and a tip cone, wherein an assembly connecting end is arranged on the inlay, the pipe expanding head assembly is connected to the assembly connecting end, the handle is movably connected with the inlay, one end of the tip cone is connected with the handle, and the other end of the tip cone is arranged between the pipe expanding pieces.
The utility model discloses further set up to the surface of apex cone with the internal surface contact surface of the pipe fitting that rises laminates each other.
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
this technical scheme pipe head subassembly that rises adopts structure of sectional type, including first column portion, first pyramis, second column portion and second toper portion, first column portion concatenation constitutes the expansion that first cylinder and first pyramis concatenation constitute first frustum and be used for the heavy-calibre pipeline, second column portion concatenation constitutes the expansion that second frustum and second toper portion concatenation constitute the second toper platform and be used for the small-bore pipeline, make adopt the expansion of the pipeline that this pipe head subassembly that rises just can realize not of uniform size, it is big to apply size coverage, therefore, the commonality is strong, reduce staff's carrier quantity.
This technical scheme rises the bobbin subassembly and is provided with the holding ring in the annular positioning groove of connecting seat, and the holding ring adopts elastic material, under the expansion action that does not influence the pipe fitting that rises, reduces the volume of rocking of the location portion of the pipe fitting that rises at annular positioning groove, makes the bobbin subassembly that rises stability stronger, convenient operation.
Drawings
Fig. 1 is a perspective view of an expansion pipe head assembly in embodiment 1 of the present invention.
Fig. 2 is the schematic view of the internal structure of the pipe expansion head assembly in embodiment 1 of the present invention.
Fig. 3 is a cross-sectional view of the pipe expansion head assembly of embodiment 1 of the present invention.
Fig. 4 is a perspective view of the pipe expanding member according to embodiment 1 of the present invention.
Fig. 5 is a perspective view of the expansion pipe fitting of embodiment 1 of the present invention after splicing.
Fig. 6 is a perspective view of the pipe expanding tongs in embodiment 2 of the present invention.
Fig. 7 is a sectional view of the pipe expanding tongs in embodiment 2 of the present invention.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, a fixed connection, an integral connection, or a detachable connection; either mechanically or electrically, or internally communicating two elements; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art will understand the specific meanings of the above terms according to specific situations.
Example 1
With reference to the accompanying drawings 1 to 5, the technical scheme of the present invention is an expanding pipe head assembly, including a connecting seat 1 and six expanding pipe members 2, wherein the connecting seat 1 is provided with an annular positioning groove 11, and six expanding pipe members 2 are respectively and movably connected to the inner circumference of the annular positioning groove 11, the expanding pipe members 2 include a positioning portion 211, a first column portion 221, a first pyramid portion 231, a second column portion 241 and a second pyramid portion 251, which are sequentially arranged, in the axis direction of the connecting seat 1, the positioning portion 211 is connected to the inside of the annular positioning groove 11, the positioning portion 211 of the expanding pipe members 2 is spliced to form a positioning plate 21, the positioning plate 21 is sleeved with an elastic member 3, the first column portion 221 of the expanding pipe members 2 is spliced to form a first column 22, the first pyramid portion 231 of the expanding pipe members 2 is spliced to form a first frustum 23, the second column portion 241 of the expanding pipe members 2 is spliced to form a second column 24, the second cone portion 251 of the pipe expanding member 2 is spliced to form a second cone 25.
In this embodiment, the positioning portion 211 is provided with an arc-shaped groove 212 on the outer surface thereof near the annular positioning groove 11, and the elastic member 3 is connected in the arc-shaped groove 212. The arc-shaped groove enables the elastic piece to act on the positioning portion more accurately, and the contraction of the pipe expanding piece is achieved.
In this embodiment, the elastic member 3 is an annular spring, and in other embodiments, the elastic member 3 may also be an annular elastic band.
In this embodiment, a positioning ring 4 is disposed inside the annular positioning groove 11, and the positioning ring 4 is disposed between the inner wall of the annular positioning groove 11 and the elastic member 3. The holding ring adopts elastic material, under the expansion action that does not influence the pipe fitting that rises, reduces the volume of rocking of the location portion at annular positioning groove of the pipe fitting that rises, makes pipe head subassembly that rises stability stronger, convenient operation.
In this embodiment, the outer diameter of the first column 22 is larger than the outer diameter of the second column 24, and the outer diameters of the first frustum 23 and the second frustum 25 decrease in sequence along the axial direction of the connecting seat 1. That is, the outer diameter of the first cylinder 22 is not smaller than the maximum outer diameter of the first frustum 23, the minimum outer diameter of the first frustum 23 is not smaller than the outer diameter of the second cylinder 24, and the outer diameter of the second frustum 24 is not smaller than the maximum outer diameter of the second frustum 25, so that the outer diameters of the first cylinder 22, the first frustum 23, the second frustum 24, and the second frustum 25 are gradually decreased from large to small.
In this embodiment, a position-limiting portion 261 is disposed between the positioning portion 211 and the first column portion 221, and the position-limiting portion 261 is disposed opposite to the opening outer wall of the annular positioning groove 11. Spacing portion makes the pipe fitting that rises carry on outward the expand in-process spacing, and comparatively weak annular positioning groove does not receive the transitional extrusion of the pipe fitting that rises in the protection connecting seat.
In the present embodiment, the outer surfaces of the first and second tapered portions 231 and 251 are each provided with stepped outer teeth. The stepped external teeth of the two tapered parts increase the expanding friction of the tapered parts, and avoid slipping.
In this embodiment, the connecting seat 1 is provided with a connecting portion 12, and an inner wall of the connecting portion 12 is provided with an internal thread. The inner wall of the connecting part is provided with internal threads, so that the pipe head component can be replaced conveniently.
In this embodiment, the outer surface of the connecting base 1 is provided with anti-slip stripes.
In this embodiment, the axial direction of the connecting seat 1 is the X direction in fig. 3.
In other embodiments, the number of expansion tubes 2 may be four, eight or ten.
The utility model discloses in the nose subassembly that rises, first column portion concatenation constitutes first cylinder and first pyramis concatenation constitutes the expansion that first frustum is used for the heavy-calibre pipeline, and second column portion concatenation constitutes the expansion that second frustum and second pyramis concatenation constitute the small-calibre pipeline for adopt the extension of the pipeline that this nose subassembly that rises just can realize not of uniform size, it is big to apply size coverage, and the commonality is strong.
Example 2
Combine attached drawing 1 to 7, the utility model discloses technical scheme is a pipe pincers rise, adopts above-mentioned embodiment 1 the pipe head subassembly that rises, still include inlay 5, handle 6 and tip cone 7, be equipped with subassembly link 51 on the inlay 5, the pipe head subassembly that rises is connected subassembly link 51, handle 6 with inlay 5 swing joint, the one end of tip cone 7 with handle 6 is connected, the other end setting of tip cone 7 is in rise between the pipe fitting 2, the 7 surfaces of tip cone with the internal surface contact surface who rises pipe fitting 2 laminates each other.
The utility model discloses when the pipe wrench that rises expands the pipeline, operating handle drives the apical cone action, makes the apical cone strut the pipe fitting that rises on every side, makes the pipeline expansion.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides an expansion pipe head assembly, its characterized in that, includes connecting seat and two at least pipe fittings that expand, be equipped with annular positioning groove on the connecting seat, the pipe fittings that expand respectively swing joint in the inner periphery of annular positioning groove, the pipe fittings that expand follows the axle center direction of connecting seat is including location portion, first post portion, first pyramis, second pyramis and the second pyramis that sets gradually, location portion connects in the annular positioning groove, the location portion concatenation of pipe fittings that expand constitutes the positioning disk, the periphery cover of positioning disk is equipped with the elastic component, the first post portion concatenation of pipe fittings that expand constitutes first cylinder, the first pyramis concatenation of pipe fittings that expand constitutes first frustum, the second pyramis concatenation of pipe fittings that expand constitutes the second cylinder, the second pyramis concatenation of pipe fittings that expand constitutes the second frustum.
2. The expansion pipe head assembly as claimed in claim 1, wherein said positioning portion has an arc-shaped groove on its outer surface adjacent to said annular positioning groove, and said elastic member is connected in said arc-shaped groove.
3. The expansion pipe head assembly of claim 1, wherein a positioning ring is disposed inside said annular positioning groove, and said positioning ring is disposed between an inner wall of said annular positioning groove and said elastic member.
4. The expansion pipe head assembly of claim 1, wherein the outer diameter of the first column is larger than the outer diameter of the second column, and the outer diameters of the first frustum and the second frustum decrease in sequence along the axial direction of the connecting seat.
5. The expansion pipe head assembly as claimed in claim 1, wherein a position-limiting portion is provided between the positioning portion and the first column portion, and the position-limiting portion is disposed opposite to the opening outer wall of the annular positioning groove.
6. The expansion pipe head assembly of any one of claims 1 to 5, wherein the outer surfaces of the first and second conical parts are provided with stepped outer teeth.
7. The expansion pipe head assembly of any one of claims 1 to 5, wherein said connecting base is provided with a connecting portion, and the inner wall of said connecting portion is provided with an internal thread.
8. The expansion pipe head assembly of any one of claims 1 to 5, wherein the outer surface of the connecting seat is provided with anti-slip stripes.
9. The pipe expanding clamp is characterized in that the pipe expanding head assembly of any one of claims 1 to 8 is adopted, the pipe expanding clamp further comprises an inlay body, a handle and a tip cone, the inlay body is provided with an assembly connecting end, the pipe expanding head assembly is connected to the assembly connecting end, the handle is movably connected with the inlay body, one end of the tip cone is connected with the handle, and the other end of the tip cone is arranged between the pipe expanding pieces.
10. The expansion pipe wrench of claim 9, wherein the outer surface of the nose cone and the inner surface of the expansion pipe fitting are in contact with each other.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220625930.6U CN217073345U (en) | 2022-03-22 | 2022-03-22 | Pipe expansion head assembly and pipe expansion tongs |
| CA212366F CA212366S (en) | 2022-03-22 | 2022-04-27 | Head for pipe expander |
| US29/836,775 USD1035405S1 (en) | 2022-03-22 | 2022-04-28 | Head for pipe expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220625930.6U CN217073345U (en) | 2022-03-22 | 2022-03-22 | Pipe expansion head assembly and pipe expansion tongs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217073345U true CN217073345U (en) | 2022-07-29 |
Family
ID=82551572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220625930.6U Active CN217073345U (en) | 2022-03-22 | 2022-03-22 | Pipe expansion head assembly and pipe expansion tongs |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | USD1035405S1 (en) |
| CN (1) | CN217073345U (en) |
| CA (1) | CA212366S (en) |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6360A (en) * | 1849-04-17 | Thomas pbossee | ||
| US814300A (en) * | 1905-10-27 | 1906-03-06 | Agnes L Long | Pipe-expander. |
| US2627891A (en) * | 1950-11-28 | 1953-02-10 | Paul B Clark | Well pipe expander |
| US3683658A (en) * | 1970-08-19 | 1972-08-15 | Irontite Products Co Inc | Roller-type expander tool |
| CA2618056C (en) * | 2005-08-05 | 2013-11-12 | Shell Canada Limited | Pipe expander |
| PL2420333T3 (en) * | 2010-08-16 | 2015-04-30 | Uponor Innovation Ab | Tool and method for expanding a pipe end |
| DE102012109255A1 (en) * | 2012-09-28 | 2014-04-03 | Gustav Klauke Gmbh | Hand tool, hand widening device, hydraulic piston / cylinder assembly and method of operating a hand tool |
| US9975289B2 (en) * | 2016-07-27 | 2018-05-22 | Black & Decker Inc. | PEX expanding tool |
| FI127715B (en) * | 2017-06-05 | 2018-12-31 | Uponor Innovation Ab | Method for expanding an end of a pipe and expander tool |
| EP3698941A3 (en) * | 2019-02-20 | 2020-10-21 | Milwaukee Electric Tool Corporation | Pex expansion tool |
| JP7092200B2 (en) * | 2019-02-28 | 2022-06-28 | Ｊｆｅスチール株式会社 | Manufacturing method of steel pipe |
| CN111653923A (en) * | 2019-03-04 | 2020-09-11 | 泰科电子(上海)有限公司 | Metal foil expanding equipment |
| USD983634S1 (en) * | 2021-01-04 | 2023-04-18 | Hanlong Industrial Co., Ltd. | Tube cutter |
| US11779990B2 (en) * | 2021-04-09 | 2023-10-10 | Milwaukee Electric Tool Corporation | Expansion tool |
| JP2023069279A (en) * | 2021-11-05 | 2023-05-18 | 株式会社マキタ | Expanding tool |
| US20230226588A1 (en) * | 2022-01-18 | 2023-07-20 | Makita Corporation | Tube expansion tool |
| AU2022203315B2 (en) * | 2022-04-21 | 2024-02-15 | Zhejiang Iwiss Electric Co., Ltd. | Pipe expanding plier |
-
2022
- 2022-03-22 CN CN202220625930.6U patent/CN217073345U/en active Active
- 2022-04-27 CA CA212366F patent/CA212366S/en active Active
- 2022-04-28 US US29/836,775 patent/USD1035405S1/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CA212366S (en) | 2023-11-08 |
| USD1035405S1 (en) | 2024-07-16 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |