CN103075346A - Universal sealing cap for large-diameter and small-diameter pipes - Google Patents
Universal sealing cap for large-diameter and small-diameter pipes Download PDFInfo
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- CN103075346A CN103075346A CN2011103273581A CN201110327358A CN103075346A CN 103075346 A CN103075346 A CN 103075346A CN 2011103273581 A CN2011103273581 A CN 2011103273581A CN 201110327358 A CN201110327358 A CN 201110327358A CN 103075346 A CN103075346 A CN 103075346A
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Abstract
The invention discloses a universal sealing cap for large-diameter and small-diameter pipes. The sealing cap comprises a cap body and a sidewall ring, wherein the cap body is of a cylinder structure with one end enclosed and the other end open-ended, a circular end surface is formed at an outer side of the open-ended end, the sidewall ring coaxial with the cap body is arranged at the end part of the end surface, the external diameter of the cap body matches with the internal diameter of a large-diameter pipe, the internal diameter of the sidewall ring matches with the external diameter of the large-diameter pipe, and the internal diameter of the cylindric cap body matches with the external diameter of a small-diameter pipe. The two ends of the sealing cap provided by the invention can be respectively inserted into end parts of pipes with different diameters, so the usage rate of the sealing cap is improved and the number of dies to be developed is reduced; since one sealing cap is applicable to sealing of pipes with two different diameters, the step of sorting by personnel during installation is omitted, and thus, installation efficiency is improved, and human cost is reduced.
Description
Technical field
The present invention relates to compressor field, particularly relate to a kind of discharge tube of rotary compressor and the general sealed cap of liquid container.
Background technique
Usually at eccentric rotary-piston in conjunction with compression structure part on bent axle that electric structure section is combined, rotary-piston is rotated motion to the rotary compressor that is applicable to air conditioner etc. in the compression volume of circular cylinder, thus suction, compression and discharging refrigerant.
Fig. 1 is the longitudinal sectional drawing of existing rotary compressor, and as shown in Figure 1, its electric structure section comprises: stator 2, rotor 3 and bent axle 4.Stator 2 and rotor 3 are arranged on the inside of casing 1, and the center of rotor 3 is pressed into and is installed on the bent axle 4, and the bottom of bent axle 4 arranges the compression structure part of suction, compression refrigeration gas.Described compression structure part comprises: the circular cylinder 5 that is fixedly installed on casing 1 inner peripheral surface; Being close to the upper and lower bi-side while bent axle 4 that is fixed on cylinder 5 connects wherein and supported upper bearing (metal) 6A and lower bearing 6B; Be arranged on the eccentric part 4a of bent axle 4, under the effect of bent axle 4, encircle 7 rolling of cylinder 5 interior eccentric rotaries; One side pressure is connected on the outer circumferential face that rolls ring 7, the other end contacts with baffle plate spring (not shown), and rolling that ring 7 is rotated that when motion done straight line motion cylinder 5 is divided into the baffle plate 11 of breathing space and compression volume and is arranged on a side of casing 1 and is connected to gas-liquid separator 10 on the inlet hole of cylinder 5.
The working procedure of above-mentioned existing rotary compressor is as follows:
Give stator 2 power supplies, make rotor 3 in the inner rotation of stator 2, meanwhile bent axle 4 rotates and makes and roll ring 7 at cylinder 5 interior eccentric rotaries, along with the eccentric rotary that rolls ring 7, refrigeration agent is inhaled into the breathing space of cylinder 5, and continue to be compressed to certain pressure, when the pressure in the compression volume of cylinder 5 surpasses critical pressure, the drain tap 8 that is installed on the relief opening of upper bearing (metal) 6A is opened, pressurized gas drains in the casing 1 from compression volume, the gas of discharging enters into the top of rotary compressor by the slit between the slit between casing 1 and the stator 2 or stator 2 and the rotor 3, then passes through gas outlet pipe 18 and is discharged to the circulating frozen system.
In the production process of compressor, after gas-liquid separator and compressor assembling, before entering subsequent processing, might need to wait for long time or long-distance transport, for preventing that dust from entering gas-liquid separator and compressor, be respectively arranged with sealed cap in gas outlet pipe 18 ends of compressor and liquid return pipe 28 ends of gas-liquid separator.
But because the aperture of gas outlet pipe and liquid return pipe is different, so sealed cap has two kinds of specifications, every kind of specification can only be applicable to separately gas outlet pipe or liquid return pipe, and this is just so that need to sort installation, the reduction installation efficiency when sealed cap is installed.Simultaneously, need the sealed cap of two specifications of this kind at a press, do not realize sharing, cause mould to increase, raise the cost.
Summary of the invention
The object of the present invention is to provide a kind of energy to satisfy two sealed caps that different-diameter pipes is general, it can effectively reduce number of molds, avoids turning the sorting of timing, improves efficiency of assembling.
To achieve these goals, technological scheme of the present invention is as follows:
The general sealed cap of a kind of size diameter pipe, comprise cap body and side wall ring, described cap body is the cylindrical structure of end sealing the other end opening, be formed with the ring end face in its opening end outside, be connected with the side wall ring coaxial with described cap body in the end of end face, wherein, so the internal diameter of the external diameter of cap body and described large diameter tube is complementary, the internal diameter of side wall ring and described large diameter tube external diameter are complementary, and the internal diameter of cylinder cap body and described narrow tube external diameter are complementary.
Preferably, be provided with coaxially with it the cylindrical pillars core in the cavity center of described cylinder cap body, the external diameter of post core and the internal diameter of described narrow tube are complementary.
For compressor of the present invention, described size diameter pipe is respectively the gas outlet pipe of compressor and the liquid return pipe of liquid container.
Preferably, be formed with respectively chamfering structure between the opening end of described cap body sealed end end, post core end, cavity and end face, preferably chamfering is circular arc chamfering.
Preferably, described cap body or post core have predetermined tapering, and this tapering is preferably at the 5-15 degree, and taper design can guarantee better sealing effect and soundness, makes its difficult drop-off.
Preferably, described sealed cap is integrated extrusion molding, and described sealed cap adopts rubber or silicone to make.
Sealed cap of the present invention, the tube end that can two ends inserts respectively different-diameter, improved its utilization rate, reduce mould development quantity, reduce cost, a sealed cap goes for two kinds of seals of tube that diameter is different simultaneously, has saved personnel's separation step when mounted, improve installation efficiency, reduce cost of labor.Simultaneously, two ends all are formed with insert-seal and the outside holds sealing, and good sealing effect and stability are high, can effectively avoid the problems such as internal contamination that long storage time or way far away transportation cause or sealed cap come off.
Description of drawings
Fig. 1 is the longitudinal sectional drawing of existing rotary compressor;
Fig. 2 is sealed cap side view of the present invention;
Fig. 3 is the oblique drawing of sealed cap end face direction of the present invention.
Embodiment
Be elaborated below in conjunction with the structure of accompanying drawing to rotary compressor of the present invention.
Compressor arrangement of the present invention and prior art are basic identical, and its electric structure section comprises: stator, rotor and bent axle.Stator and rotor are arranged on the inside of casing, and the center of rotor is pressed into and is installed on the bent axle, and the bottom of bent axle arranges the compression structure part of suction, compression refrigeration gas.Described compression structure part comprises: the circular cylinder that is fixedly installed on the casing inner peripheral surface; Being close to the upper and lower bi-side while bent axle that is fixed on cylinder connects wherein and supported upper bearing (metal) and lower bearing; Be arranged on the eccentric part of bent axle, under the effect of bent axle in cylinder eccentric rotary roll ring; One side pressure is connected on the outer circumferential face that rolls ring, the other end contacts with the baffle plate spring, and rolling that ring is rotated that when motion done straight line motion cylinder is divided into the baffle plate of breathing space and compression volume and is arranged on a side of casing and is connected to gas-liquid separator on the inlet hole of cylinder.
After the assembling of above-mentioned gas-liquid separator and compressor, affect quality of product for preventing that dust from falling into from gas outlet pipe and liquid return pipe, be respectively arranged with sealed cap at described gas outlet pipe and liquid return pipe end.Shown in Fig. 2 and 3, sealed cap 80 of the present invention comprises cap body 81, side wall ring 82 and post core 84, described cap body 81 is the cylindrical structure that an end seals an end opening, outwards vertically bend and extend to form the end face 85 of cap body in its opening side, then continue bending and extend intended distance to form the side wall ring 82 coaxial with described cap body 81, the same side that described side wall ring 82 and cap body are positioned at end face 85, that is, described side wall ring 82 compartment of terrain contains the part of cap body 81 with it.
Wherein, because the diameter of described gas outlet pipe is greater than the diameter of liquid return pipe, so the external diameter of cap body 81 is suitable with the internal diameter of described gas outlet pipe, make the closed end of cap body can insert matchingly the gas outlet pipe end, simultaneously, the internal diameter of described side wall ring equals or is a bit larger tham described gas outlet pipe external diameter, when the end of cap body is inserted in the gas outlet pipe and is continued to go deep into, the side ring wall can hold the gas outlet pipe outer wall wherein, strengthen sealing effect, guarantee effectively that simultaneously the cap body can excessively not insert, bad when causing taking out.
The external diameter of post core 84 is suitable with the internal diameter of described liquid return pipe, make the end of post core 84 can insert matchingly post core 84 ends, simultaneously, the internal diameter of the cavity 83 of described cylinder cap body and described gas outlet pipe external diameter are complementary, the liquid return pipe end is inserted cavity 83 inside matchingly when liquid return pipe is inserted in the end of post core, the grafting of inside and outside coupling can effectively strengthen sealing effect, guarantees effectively that simultaneously the post core can excessively not insert, and is bad when causing taking out.
Preferably, for ease of inserting, improve the fluency that moves when sealed cap is installed, be formed with respectively chamfering structure between the opening end of described cap body sealed end end, post core end, cavity and end face, be preferably circular arc chamfering, chamfer design can so that insertion is more smooth, be avoided jerky sense.
Further, the facility of assembling when improve inserting, described cap body and post core are frustum cone structure, namely other the relative the other end of insertion end sectional area is less its minute, makes cap body or post core have certain tapering so that insert and assembling more succinct.
Described sealed cap is formed as one, and preferably adopts rubber or silicone to make, and cost is low and easy to process, and a little deformation can occur, assembling and good sealing effect.
It is to be noted, above-mentioned description to sealed cap only describes take compressor and liquid container as embodiment, sealed cap of the present invention is applicable to the tube end sealing of any product, by the change to its model size, all can satisfy the UltraDialUp of two different-diameter tube ends with sealing, reduce number of fitting parts, improve the sealed cap efficiency of assembling.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. sealed cap that the size diameter pipe is general, it is characterized in that: comprise cap body and side wall ring, described cap body is the tube structure of end sealing the other end opening, be formed with the ring end face in its opening end outside, be connected with the side wall ring coaxial with described cap body in the end of end face, wherein, so the external diameter of cap body and the internal diameter of described large diameter tube are complementary, the internal diameter of side wall ring and described large diameter tube external diameter are complementary, and the internal diameter of cylinder cap body and described narrow tube external diameter are complementary.
2. sealed cap as claimed in claim 1, it is characterized in that: the cavity center at described cylinder cap body is provided with it the cylindrical pillars core coaxially, and the external diameter of post core and the internal diameter of described narrow tube are complementary.
3. sealed cap as claimed in claim 1 or 2, it is characterized in that: described size diameter pipe is respectively the gas outlet pipe of compressor and the liquid return pipe of liquid container.
4. sealed cap as claimed in claim 3 is characterized in that: be formed with respectively chamfering structure between the opening end of described cap body sealed end end, post core end, cavity and end face.
5. sealed cap as claimed in claim 4, it is characterized in that: described chamfering is circular arc chamfering.
6. sealed cap as claimed in claim 3, it is characterized in that: described cap body or post core have predetermined tapering.
7. sealed cap as claimed in claim 3, it is characterized in that: described sealed cap is integrated extrudes formation.
8. sealed cap as claimed in claim 1 or 2 is characterized in that: described sealed cap adopts rubber or silicone to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110327358.1A CN103075346B (en) | 2011-10-25 | 2011-10-25 | The sealing cap that size diameter pipe is general |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110327358.1A CN103075346B (en) | 2011-10-25 | 2011-10-25 | The sealing cap that size diameter pipe is general |
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| Publication Number | Publication Date |
|---|---|
| CN103075346A true CN103075346A (en) | 2013-05-01 |
| CN103075346B CN103075346B (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110327358.1A Active CN103075346B (en) | 2011-10-25 | 2011-10-25 | The sealing cap that size diameter pipe is general |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2321667A (en) * | 1941-05-28 | 1943-06-15 | Underpressure Engineering Comp | Service stopper for gas mains, branch pipe connections, and the like |
| US5224515A (en) * | 1992-01-30 | 1993-07-06 | Porex Technologies Corp. | Tube closure |
| GB2321041A (en) * | 1997-01-09 | 1998-07-15 | Drilltec Patents & Tech | End cap for pipe |
| CN1498808A (en) * | 2002-11-05 | 2004-05-26 | 株式会社利富高 | Sealing plug |
| CN101063451A (en) * | 2006-04-24 | 2007-10-31 | 乐金电子(天津)电器有限公司 | Rubber plug structure of compressor |
| US20090165882A1 (en) * | 2006-10-24 | 2009-07-02 | Zeyfang Frederick W | Cap and plug for masking or shipping |
-
2011
- 2011-10-25 CN CN201110327358.1A patent/CN103075346B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2321667A (en) * | 1941-05-28 | 1943-06-15 | Underpressure Engineering Comp | Service stopper for gas mains, branch pipe connections, and the like |
| US5224515A (en) * | 1992-01-30 | 1993-07-06 | Porex Technologies Corp. | Tube closure |
| GB2321041A (en) * | 1997-01-09 | 1998-07-15 | Drilltec Patents & Tech | End cap for pipe |
| CN1498808A (en) * | 2002-11-05 | 2004-05-26 | 株式会社利富高 | Sealing plug |
| CN101063451A (en) * | 2006-04-24 | 2007-10-31 | 乐金电子(天津)电器有限公司 | Rubber plug structure of compressor |
| US20090165882A1 (en) * | 2006-10-24 | 2009-07-02 | Zeyfang Frederick W | Cap and plug for masking or shipping |
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| Publication number | Publication date |
|---|---|
| CN103075346B (en) | 2016-06-29 |
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