CN214723668U - Novel spray pipe tool - Google Patents
Novel spray pipe tool Download PDFInfo
- Publication number
- CN214723668U CN214723668U CN202121076881.7U CN202121076881U CN214723668U CN 214723668 U CN214723668 U CN 214723668U CN 202121076881 U CN202121076881 U CN 202121076881U CN 214723668 U CN214723668 U CN 214723668U
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- positioning
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- spray tube
- thread
- column
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Abstract
The utility model discloses a novel spray tube frock belongs to machining preparation technical field, and this frock is including holding ring and the reference column that the location spray tube was used, wherein: the positioning ring comprises a step hole for installing a positioning column, an internal thread matched with the connecting thread is arranged on the inner wall of the step hole, the positioning column is installed in the step hole, the outer contour of the positioning column is consistent with the inner contour of the connecting section and the inner contour of the convergence section in the positioning spray pipe in shape, and the positioning spray pipe is sleeved on the positioning column and is connected and positioned with the internal thread in a matched mode through the connecting thread. The utility model provides a location, the centre gripping difficult problem of tubulose thin wall work piece, utilize this frock can fix a position rapidly, fixed spray tube, avoid the spray tube to appear warping, displacement phenomenon in the course of working, make the machining efficiency and the yield of spray tube promote by a wide margin.
Description
Technical Field
The utility model belongs to the technical field of the machining preparation, especially, relate to a novel spray tube frock.
Background
The nozzle is an important part of the rocket engine and refers to a device for accelerating airflow by changing the geometric shape of the inner wall of a pipe section. The pipelines used for reducing and increasing the pressure and the speed of airflow are called spray pipes, and the spray pipes commonly used for thermal power generation are of two types: one is a convergent nozzle and the other is a convergent-divergent nozzle, or a laval nozzle. Because the spray tube is a tubular thin-wall structure, the spray tube is easy to deform or displace due to over-tight clamping or improper clamping in the machining process, so that a workpiece is scrapped or the machining precision cannot be guaranteed, and a targeted novel machining tool is designed for the spray tube with a special structure to solve the problems.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a novel spray tube frock has solved the location of tubulose thin wall work piece, the difficult problem of centre gripping, utilizes this frock can fix a position rapidly, fixed spray tube, avoids the spray tube to appear warping, displacement phenomenon in the course of working, makes the machining efficiency and the yield of spray tube promote by a wide margin.
The utility model discloses an above-mentioned problem is solved to following technical means:
the utility model provides a novel spray tube frock, includes holding ring and the reference column that the location spray tube was used, wherein: the positioning spray pipe sequentially comprises a connecting section, a converging section, a transition section and an expanding section, connecting threads are arranged on the outer wall of the connecting section, and a limiting table is arranged at the bottom of the connecting thread; the positioning ring comprises a step hole for mounting the positioning column, and an internal thread matched with the connecting thread is arranged on the inner wall of the step hole; the positioning column is arranged in the step hole, the outer contour of the positioning column is consistent with the inner contour of the connecting section and the inner contour of the converging section in the positioning spray pipe, and the positioning spray pipe is sleeved on the positioning column and is connected and positioned with the internal thread in a matched mode through a connecting thread.
Preferably, the outer wall of the expansion section of the nozzle is provided with a fixing thread for mounting the device.
Preferably, a positioning notch for positioning is arranged on the outer wall of the transition section of the spray pipe.
Preferably, the positioning column sequentially comprises a cylindrical section, a positioning table, a first positioning frustum and a second positioning frustum, wherein: the cylindrical section is arranged in the step hole through the positioning table; the outer contour of the first positioning frustum is consistent with the shape of the inner contour of the connecting section; the outer contour of the second positioning frustum is in accordance with the shape of the inner contour of the convergent section.
Preferably, the outer wall of the positioning ring is uniformly and symmetrically provided with a plurality of fixing screw holes for mounting a machine tool clamp or a fixing device.
The utility model discloses a novel spray tube frock has following beneficial effect:
this frock spouts holding ring and reference column that pipe was used including the location, wherein: the positioning ring comprises a step hole for installing a positioning column, an internal thread matched with the connecting thread is arranged on the inner wall of the step hole, the positioning column is installed in the step hole, the outer contour of the positioning column is consistent with the inner contour of the connecting section and the inner contour of the convergence section in the positioning spray pipe in shape, and the positioning spray pipe is sleeved on the positioning column and is connected and positioned with the internal thread in a matched mode through the connecting thread. The utility model provides a location, the centre gripping difficult problem of tubulose thin wall work piece, utilize this frock can fix a position rapidly, fixed spray tube, avoid the spray tube to appear warping, displacement phenomenon in the course of working, make the machining efficiency and the yield of spray tube promote by a wide margin. This frock can utilize the reference column to fill the spray tube to the tubulose thin-walled structure of spray tube on the one hand, promotes the intensity of spray tube, and on the other hand utilizes holding ring chucking spray tube, promotes positioning accuracy, can effectively avoid producing deformation or displacement problem because of centre gripping tension or centre gripping not in place in the course of working, is showing the machining precision and the machining efficiency who promote the product.
Drawings
The invention is further described with reference to the following figures and examples.
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the nozzle structure of the present invention;
FIG. 3 is a schematic view of the positioning notch structure of the present invention;
fig. 4 is a schematic view of the positioning ring of the present invention;
fig. 5 is a schematic view of the positioning column of the present invention.
In the figure, 1-nozzle, 101-connecting section, 102-converging section, 103-transition section, 104-expanding section, 1011-connecting thread, 1012-limiting table, 1031-positioning notch, 1041-fixing thread, 2-positioning ring, 201-step hole, 202-internal thread, 203-fixing screw hole, 3-positioning column, 301-cylindrical section, 302-positioning table, 303-first positioning frustum and 304-second positioning frustum.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention. The terms "first", "second" and "first" are used 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, the positioning nozzle 1 is composed of a connecting section 101, a converging section 102, a transition section 103 and an expanding section 104 in sequence, a connecting thread 1011 is arranged on the outer wall of the connecting section 101, and a limit table 1012 is arranged at the bottom of the connecting thread 1011; the positioning ring 2 comprises a step hole 201 for mounting the positioning column 3, and an internal thread 202 matched with the connecting thread 1011 is arranged on the inner wall of the step hole 201; the positioning column 3 is installed in the step hole 201, the outer contour of the positioning column 3 is consistent with the inner contour shapes of the connecting section 101 and the converging section 102 in the positioning nozzle 1, and the positioning nozzle 1 is sleeved on the positioning column 3 and is connected and positioned with the internal thread 202 in a matched mode through a connecting thread 1011.
In fig. 2 and 3, the outer wall of the expansion section 104 of the nozzle 1 is provided with a fixing thread 1041 for mounting devices, the fixing thread 1041 can be connected with other external devices of the nozzle, the outer wall of the transition section 103 of the nozzle 1 is provided with a positioning notch 1031 for positioning, and the positioning notch 1031 is of a groove structure and can be matched and positioned with a boss of other devices, for example, a boss on a nozzle holder.
In fig. 5, the positioning column 3 is sequentially composed of a cylindrical section 301, a positioning table 302, a first positioning frustum 303 and a second positioning frustum 304, wherein: the cylindrical section 301 is installed in the stepped hole 201 through a positioning table 302; the outer contour of the first positioning frustum 303 is in accordance with the shape of the inner contour of the connecting section 101; the outer contour of the second positioning cone 304 conforms to the shape of the inner contour of the convergent section 102. In this embodiment, the outer wall of the positioning ring 2 is uniformly and symmetrically provided with a plurality of fixing screw holes 203 for mounting a machine tool clamp or a fixing device.
Concrete during operation, this spray tube frock is including holding ring 2 and reference column 3 of location spray tube 1 usefulness, concrete during operation, earlier with 1 suit of spray tube on reference column 3, utilize the characteristics that 3 outside outlines of reference column match with 1 inside outlines of spray tube, location spray tube 1, above-mentioned operation also can utilize 3 terminal filling spray tubes 1 of reference column, promote the machining strength of spray tube 1, secondly, with 2 suits of holding ring in the hookup location department of spray tube 1 and reference column 3, because connecting thread 1011 mutually supports with internal thread 202, at this moment, spray tube 1 is reliably fixed, can carry out machining this moment. It should be noted that the positioning table 302 can be positioned in cooperation with the stepped hole 201. In addition, a sealing ring may be disposed at the bottom of the stepped hole 201.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (5)
1. The utility model provides a novel spray tube frock, its characterized in that, including holding ring (2) and reference column (3) that location spray tube (1) were used, wherein:
the positioning spray pipe (1) sequentially comprises a connecting section (101), a converging section (102), a transition section (103) and an expanding section (104), a connecting thread (1011) is arranged on the outer wall of the connecting section (101), and a limiting table (1012) is arranged at the bottom of the connecting thread (1011);
the positioning ring (2) comprises a step hole (201) for mounting the positioning column (3), and an internal thread (202) matched with the connecting thread (1011) is arranged on the inner wall of the step hole (201);
the positioning column (3) is installed in the stepped hole (201), the outer contour of the positioning column (3) is consistent with the inner contour shapes of the connecting section (101) and the converging section (102) in the positioning spray pipe (1), and the positioning spray pipe (1) is sleeved on the positioning column (3) and is connected and positioned with the internal thread (202) in a matched mode through a connecting thread (1011).
2. The novel nozzle assembly according to claim 1, characterized in that the outer wall of the expansion section (104) of the nozzle (1) is provided with a fixing thread (1041) for mounting a device.
3. The novel nozzle assembly according to claim 1, characterized in that the outer wall of the transition section (103) of the nozzle (1) is provided with a positioning notch (1031) for positioning.
4. The novel nozzle tooling as claimed in claim 1, wherein the positioning column (3) is composed of a cylindrical section (301), a positioning table (302), a first positioning frustum (303) and a second positioning frustum (304) in sequence, wherein:
the cylindrical section (301) is arranged in the stepped hole (201) through a positioning table (302);
the outer contour of the first positioning frustum (303) is consistent with the shape of the inner contour of the connecting section (101);
the outer contour of the second positioning frustum (304) conforms to the shape of the inner contour of the convergent section (102).
5. The novel nozzle tooling as claimed in claim 1, wherein the outer wall of the positioning ring (2) is uniformly and symmetrically provided with a plurality of fixing screw holes (203) for mounting a machine tool clamp or a fixing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121076881.7U CN214723668U (en) | 2021-05-19 | 2021-05-19 | Novel spray pipe tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121076881.7U CN214723668U (en) | 2021-05-19 | 2021-05-19 | Novel spray pipe tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214723668U true CN214723668U (en) | 2021-11-16 |
Family
ID=78623797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121076881.7U Expired - Fee Related CN214723668U (en) | 2021-05-19 | 2021-05-19 | Novel spray pipe tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214723668U (en) |
-
2021
- 2021-05-19 CN CN202121076881.7U patent/CN214723668U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |