CN202683818U - Reducing device - Google Patents
Reducing device Download PDFInfo
- Publication number
- CN202683818U CN202683818U CN 201220387881 CN201220387881U CN202683818U CN 202683818 U CN202683818 U CN 202683818U CN 201220387881 CN201220387881 CN 201220387881 CN 201220387881 U CN201220387881 U CN 201220387881U CN 202683818 U CN202683818 U CN 202683818U
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- CN
- China
- Prior art keywords
- reducing
- bar handle
- column cap
- sleeve pipe
- reducing device
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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- Withdrawn - After Issue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 reducing device. The reducing device comprises a reducing tool and a fluid drive device. The reducing tool comprises a rod handle and a column cap arranged on a first end of the rod handle. The column cap comprises a blind hole which is disposed on one end of the column cap, far from the rod handle. The blind hole includes a reducing segment, wherein a diameter of the reducing segment gradually decreases from outward to inward. A large port end of the reducing segment is positioned on a transverse plane of the column cap or a diameter between the transverse plane of the column cap and a hole segment of the large port end is not less than a diameter of the large port end. The fluid drive device is used for driving the reducing tool and comprises a sleeve pipe. A second end of the rod handle is positioned inside the sleeve pipe. The rod handle is arranged to be able to extend and recover corresponding to the sleeve pipe. The column cap of the reducing tool is equipped with the blind hole with the reducing segment. When an air suction pipe of a compressor is reduced by the reducing device, the air suction pipe of a housing of the compressor deforms under the effect of the reducing segment and the whole pipe approaches an enthalpy increasing air suction pipe, so that a gap between the air suction pipe and the enthalpy increasing air suction pipe is reduced uniformly, and then leakage between the air suction pipe and the enthalpy increasing air suction pipe after welding is effectively minimized.
Description
Technical field
The utility model relates to compressor field, in particular to a kind of reducing device.
Background technology
The angle tolerance of the housing bore of compressor by prior art can only guarantee positive and negative 1 the degree in, but the housing air intake duct with increase about the monolateral 0.18mm of only having in gap of enthalpy air intake duct, with existing housing
Diameter, be converted into the housing bore angle tolerance in positive and negative 0.5 degree, could satisfy the gap demand, with existing technique, can not accomplish, therefore, housing air intake duct and the gap that increases the enthalpy air intake duct are increased to 1mm, not so increase the enthalpy air intake duct and can not put in the housing air intake duct, but excesssive gap is easy to after the welding occur leaking, the housing unit of compressor easily collides with in carrying, process simultaneously, cause the air-breathing mouth of pipe distortion of housing, housing air intake duct and the gap that increases between the enthalpy air intake duct are inhomogeneous, easily occur leakage phenomenon when welding.So, must carry out reducing, shaping to the housing air intake duct by using the reducing frock, can make the air-breathing mouth of pipe of housing little and even with the gap that increases between the enthalpy air intake duct, thus the risk of appearance leakage when reducing herein to weld.
The utility model content
The utility model aims to provide a kind of reducing device, and is inhomogeneous with the gap that solves prior art middle shell air intake duct and increase between the enthalpy air intake duct, easily occurs the phenomenon of leaking when welding.
To achieve these goals, the utility model provides a kind of reducing device to comprise: the reducing frock, comprise bar handle and the column cap that is arranged at the first end of bar handle, column cap comprises blind hole, blind hole is arranged on the column cap away from an end of bar handle, comprises the reducing section that diameter from outside to inside reduces gradually, wherein, the big opening end of reducing section is positioned at the end face of column cap, and perhaps the end face of column cap is not less than the diameter of big opening end to the diameter of the hole section of big opening end; Fluid drive apparatus is used for driving the reducing frock, and fluid drive apparatus comprises sleeve pipe, and the second end of bar handle is positioned at sleeve pipe, and the bar handle arranges with the ground of retracting with respect to sleeve pipe is extended.
Further, reducing device also comprises stopping means, is used for the limit rod handle with respect to original position and/or the final position of sleeve movement.
Further, stopping means comprises: the first stopper section is arranged at the inwall of sleeve pipe; The second stopper section is arranged at the outer wall of bar handle, and the first stopper section and the second stopper section have the limit rod handle stretches out motion with respect to original position mated condition and the limit rod handle of cannula retraction motion with respect to sleeve pipe final position mated condition.
Further, the first stopper section comprises the pin that is arranged at sleeve pipe; The second stopper section comprises the groove of the outer wall that is arranged at the bar handle, groove along the bar arbor to length greater than pin along the bar arbor to length, in the original position mated condition, pin matches with the side surface of the close column cap of groove, in the final position mated condition, pin matches with the side surface away from column cap of groove.
Further, comprise spring between the inwall of sleeve pipe and the pin.
Further, comprise pin hole on the sleeve pipe, pin penetrates and gives prominence to the inside from the inwall of sleeve pipe from pin hole.
Further, reducing section comprises conical section and/or curved sections.
Further, blind hole also comprises cylindrical section, and the osculum end of reducing section links to each other with cylindrical section, and the diameter of cylindrical section is identical with the diameter of osculum end.
Further, fluid drive apparatus comprises the cock body that is arranged in the sleeve and is positioned at bar handle inboard, and cock body and sleeve are slidingly matched, and fluid drive apparatus is done by cock body catch bar handle and stretched out motion.
Further, fluid drive apparatus is air gun, and sleeve pipe is the gun barrel of air gun, and cock body is the son that hits of air gun.
Use the technical solution of the utility model, by the reducing frock is set, the blind hole that has the reducing section in the column cap setting of reducing frock, can be when the air intake duct that uses this reducing device to compressor carries out reducing, make the compressor housing air intake duct under the effect of reducing section, produce distortion, make the whole mouth of pipe close to increasing the enthalpy air intake duct, thereby make air intake duct and the gap that increases between the enthalpy air intake duct evenly diminishes, can effectively reduce the air intake duct after the welding and increase the phenomenon of leaking occurs between the enthalpy air intake duct.
Further, stopping means is set, as arrange with the pin on the bar handle of groove and the sleeve pipe that is positioned at fluid drive apparatus that matches with groove, can limit the distance that the reducing frock is advanced, thereby limit air intake duct reducing deflection, make the housing air intake duct contact and not push with increasing the enthalpy air intake duct, guarantee that both gaps are little and even, thereby guaranteed welding quality, reduced to occur the risk of leakage.
Description of drawings
The Figure of description that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is according to the structural representation before the reducing device work of the utility model the first embodiment;
Fig. 2 is according to the structural representation after the reducing device work of the utility model the first embodiment;
Fig. 3 is the reducing device structural representation according to the utility model the second embodiment;
Fig. 4 is the structural representation according to the reducing frock of the utility model embodiment reducing device;
Fig. 5 is the action principle schematic diagram according to the reducing device of the utility model embodiment;
Fig. 6 is the structural representation after the compressor suction duct reducing.
The specific embodiment
Need to prove, in the situation that do not conflict, embodiment and the feature among the embodiment among the application can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
Reducing device of the present utility model comprises reducing frock and fluid drive apparatus.The reducing frock comprises the bar handle and is arranged at the column cap of the first end of bar handle, column cap comprises blind hole, blind hole is arranged on the column cap end away from the bar handle, comprise the reducing section that diameter from outside to inside reduces gradually, wherein, the big opening end of reducing section is positioned at the end face of column cap, and perhaps the end face of column cap is not less than the diameter of big opening end to the diameter of the hole section of big opening end.Fluid drive apparatus is used for driving the reducing frock, and fluid drive apparatus comprises sleeve pipe, and the second end of bar handle is positioned at sleeve pipe, and the bar handle arranges with the ground of retracting with respect to sleeve pipe is extended.
The first embodiment
According to the reducing device among the first embodiment of the present utility model with air gun as fluid drive apparatus.
The reducing frock comprises bar handle 1 and is arranged at the column cap 2 of bar handle 1 first end.Be provided with the blind hole 21 that is positioned at away from an end of bar handle 1 on the column cap 2, blind hole 21 comprises the reducing section that diameter from outside to inside reduces gradually.Wherein, the big opening end of reducing section is positioned at the end face of column cap 2, so that the reducing frock is stretched in the end of shrinkage waiting open pipe.
Air gun comprises gun barrel, and the second end of bar handle 1 is positioned at gun barrel, and bar handle 1 relative gun barrel is extended and the setting of retraction.
Further, reducing device also comprises stopping means, is used for limit rod handle 1 with respect to original position and/or the final position of sleeve movement.
As depicted in figs. 1 and 2, among the first embodiment, above-mentioned reducing device also comprises the pin 31 that is arranged at gun barrel and the groove 11 that is arranged at bar handle 1 outer wall, is used for the limit rod handle with respect to original position and the final position of gun barrel motion.Groove 11 along the axial length of bar handle 1 greater than pin 31 along the axial length of bar handle 1, in the original position mated condition, pin 31 matches with the side surface of the close column cap 2 of groove 11, and in the final position mated condition, pin 31 matches with the side surface away from column cap 2 of groove 11.And be provided with spring between the inwall of gun barrel and the pin 31.One end of spring is connected with the inwall of gun barrel, and the other end is connected with pin.Arranging like this can guarantee pin 31 ends and groove 11 bottom butts, thereby guarantees good cooperating between pin 31 and the groove 11.
As shown in Figure 4, the reducing section according to the reducing device among the utility model the first embodiment comprises conical section 211; Blind hole 21 also comprises cylindrical section 212, and the osculum end of reducing section links to each other with cylindrical section 212, and the diameter of cylindrical section is identical with the diameter of osculum end.
In not shown embodiment, conical section 211 can be replaced by curved sections, or is replaced by the combination of conical section and curved sections.
Further, as depicted in figs. 1 and 2, above-mentioned air gun comprise be arranged in the gun barrel and be positioned at bar handle 1 inboard air gun hit son, hit son and be slidingly matched with gun barrel, air gun is done and is stretched out motion by hitting sub-catch bar handle 1.
Further, above-mentioned bar handle 1 shape can be cylindrical bar handle, quadrangular bar handle or triangular mast handle, fluid drive apparatus also is not limited only to above-mentioned air gun, and every have and can all can be equal to alternative with the fluid drive apparatus of the supporting sleeve pipe of above-mentioned bar petioliform shape.
Show the reducing device of the present embodiment carries out reducing to the air intake duct of compressor operation principle such as Fig. 5 and Fig. 6.Compressor comprises housing air intake duct 41 and increases enthalpy air intake duct 42.Reducing device when assembling, the bar handle 1 of reducing frock is inserted in the air gun gun barrel, the groove 11 on the bar handle 1 matches with pin 31 on the air gun.Pin 31 plays position-limiting action, in order to guarantee the forward travel distance of reducing frock.
During work, the big opening end of the reducing section of above-mentioned reducing frock is socketed on above-mentioned housing air intake duct 41, and the blind hole size should satisfy the reducing section the part pipeline section diameter less than with housing air intake duct 41 diameter before the reducing not, as shown in Figure 5.Before starting air gun, as shown in Figure 1, pin 31 is positioned at the right side of groove 11.Start air gun, the reducing frock is stretched out from gun barrel, advance toward air intake duct one thruster, because the existence of pin 31, the reducing frock just is braked behind the segment distance that advances and stops, and as shown in Figure 2, pin 31 is positioned at the left side of groove 11.In this process, the air-breathing mouth of pipe of housing inwardly dwindles under the effect of reducing frock equably, when the reducing frock is stopped, housing air intake duct 41 with increase enthalpy air intake duct 42 and just contact and do not push, the reducing shaping is complete, and the compressor air suction tubular construction after the reducing as shown in Figure 6.
The second embodiment
As shown in Figure 3, also comprise reducing frock and air gun according to the reducing device among the second embodiment of the present utility model.The difference of the second embodiment and the first embodiment is, comprises pin hole on the gun barrel, and pin 31 penetrates and gives prominence to the inside from the inwall of gun barrel from pin hole.Other is identical with the first embodiment, no longer describes at this.
From above description, can find out, the utility model the above embodiments have realized following technique effect: by the reducing frock is set, the blind hole that has the reducing section in the column cap setting of reducing frock, can be when the air intake duct that uses this reducing device to compressor carries out reducing, make the compressor housing air intake duct under the effect of reducing section, produce distortion, make the whole mouth of pipe close to increasing the enthalpy air intake duct, thereby the gap that makes air intake duct and increase between the enthalpy air intake duct evenly diminishes, and can effectively reduce the air intake duct after the welding and increase the phenomenon of leaking occurs between the enthalpy air intake duct.
Further, stopping means is set, as arrange with the pin on the bar handle of groove and the sleeve pipe that is positioned at fluid drive apparatus that matches with groove, can limit the distance that the reducing frock is advanced, thereby limit air intake duct reducing deflection, make the housing air intake duct contact and not push with increasing the enthalpy air intake duct, guarantee that both gaps are little and even, thereby guaranteed welding quality, reduced to occur the risk of leakage.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. a reducing device is characterized in that, comprising:
The reducing frock, comprise bar handle (1) and be arranged at the column cap (2) of the first end of described bar handle (1), described column cap (2) comprises blind hole (21), described blind hole (21) is arranged at the upper end away from described bar handle (1) of described column cap (2), comprise the reducing section that diameter from outside to inside reduces gradually, wherein, the big opening end of described reducing section is positioned at the end face of described column cap (2), and perhaps the end face of described column cap (2) is not less than the diameter of described big opening end to the diameter of the hole section of described big opening end; Fluid drive apparatus is used for driving described reducing frock, and described fluid drive apparatus comprises sleeve pipe, and the second end of described bar handle (1) is positioned at described sleeve pipe, and described bar handle (1) extended and ground setting of retracting with respect to described sleeve pipe.
2. reducing device according to claim 1 is characterized in that, described reducing device also comprises stopping means, is used for limiting described bar handle (1) with respect to original position and/or the final position of described sleeve movement.
3. reducing device according to claim 2 is characterized in that, described stopping means comprises:
The first stopper section is arranged at the inwall of described sleeve pipe;
The second stopper section, be arranged at the outer wall of described bar handle (1), described the first stopper section and described the second stopper section have the described bar handle of restriction (1) with respect to the original position mated condition of described cannula retraction motion and limit described bar handle (1) stretches out motion with respect to described sleeve pipe final position mated condition.
4. reducing device according to claim 3 is characterized in that,
Described the first stopper section comprises the pin (31) that is arranged at described sleeve pipe;
Described the second stopper section comprises the groove (11) of the outer wall that is arranged at described bar handle (1), described groove (11) along the axial length of described bar handle (1) greater than described pin (31) along the axial length of described bar handle (1), in described original position mated condition, described pin (31) matches with the side surface of the close described column cap (2) of described groove (11), in described final position mated condition, described pin (31) matches with the side surface away from described column cap (2) of described groove (11).
5. reducing device according to claim 4 is characterized in that, comprises spring between the inwall of described sleeve pipe and the described pin (31).
6. reducing device according to claim 4 is characterized in that, comprises pin hole on the described sleeve pipe, and described pin (31) penetrates and gives prominence to the inside from the inwall of described sleeve pipe from described pin hole.
7. each described reducing device in 6 according to claim 1 is characterized in that, described reducing section comprises conical section (211) and/or curved sections.
8. each described reducing device in 6 according to claim 1, it is characterized in that, described blind hole (21) also comprises cylindrical section (212), and the osculum end of described reducing section links to each other with described cylindrical section (212), and the diameter of described cylindrical section is identical with the diameter of described osculum end.
9. each described reducing device in 6 according to claim 1, it is characterized in that, described fluid drive apparatus comprises the cock body that is arranged in the described sleeve and is positioned at described bar handle (1) inboard, described cock body and described sleeve are slidingly matched, and described fluid drive apparatus promotes described bar handle (1) by described cock body and does and stretch out motion.
10. reducing device according to claim 9 is characterized in that, described fluid drive apparatus is air gun, and described sleeve pipe is the gun barrel of described air gun, and described cock body is the son that hits of described air gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220387881 CN202683818U (en) | 2012-08-06 | 2012-08-06 | Reducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220387881 CN202683818U (en) | 2012-08-06 | 2012-08-06 | Reducing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202683818U true CN202683818U (en) | 2013-01-23 |
Family
ID=47539490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220387881 Withdrawn - After Issue CN202683818U (en) | 2012-08-06 | 2012-08-06 | Reducing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202683818U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567311A (en) * | 2012-08-06 | 2014-02-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Opening reducing device and processing method for reducing opening of air suction pipe of compressor |
-
2012
- 2012-08-06 CN CN 201220387881 patent/CN202683818U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567311A (en) * | 2012-08-06 | 2014-02-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Opening reducing device and processing method for reducing opening of air suction pipe of compressor |
| CN103567311B (en) * | 2012-08-06 | 2015-07-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Opening reducing device and processing method for reducing opening of air suction pipe of compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130123 Effective date of abandoning: 20150708 |
|
| RGAV | Abandon patent right to avoid regrant |