CN203443194U - Sealing plug of perfusion machine gun head and perfusion machine gun head with sealing plug - Google Patents
Sealing plug of perfusion machine gun head and perfusion machine gun head with sealing plug Download PDFInfo
- Publication number
- CN203443194U CN203443194U CN201320549093.4U CN201320549093U CN203443194U CN 203443194 U CN203443194 U CN 203443194U CN 201320549093 U CN201320549093 U CN 201320549093U CN 203443194 U CN203443194 U CN 203443194U
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- China
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- sealing cylinder
- gun head
- machine gun
- seal plug
- perfusion machine
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- Expired - Fee Related
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Abstract
The utility model provides a sealing plug of a perfusion machine gun head and the perfusion machine gun head with the sealing plug. The sealing plug of the perfusion machine gun head comprises a first sealing column body (10) and a second sealing column body (20), the second sealing column body (20) is coaxially arranged on the first sealing column body (10), and the diameter of the second sealing column body (20) is larger than the diameter of the first sealing column body (10). According to the technical scheme, the content of moisture inside the perfusion machine gun head can be effectively reduced. Meanwhile, when a perfusion machine and the perfusion machine gun head are used again, the content of moisture inside refrigerating fluid sprayed out from the perfusion machine gun head can be effectively reduced. The content of the moisture inside the refrigerating fluid sprayed out from the perfusion machine gun head can meet a criterion without discharging a large amount of refrigerating fluid.
Description
Technical field
The utility model relates to sealing device technical field, in particular to a kind of perfusion machine gun head that pours into the seal plug of machine gun head and have it.
Background technology
At present, need in air-conditioning system, pour into cold-producing medium with bottler placer, particularly, perfusion machine gun head is connected with air-conditioning system and is poured into by the ejection end of rifle head.After perfusion, rifle head is extracted in air-conditioning system.Because the exposed tube of perfusion machine gun head is in external environment, therefore, the moisture in outside air can enter the jet of rifle head and the pipeline that communicates with jet in, and enter the inside of bottler placer.Reuse this bottler placer and perfusion during machine gun head, from the cold-producing medium of the jet ejection of rifle head, can carry large quantity of moisture, cause the moisture that pours into the cold-producing medium in air-conditioning system to exceed standard, cause air-conditioning system to work.The ejection end of existing perfusion machine gun head has shoulder hole, and the aperture that described ejection end is closed on extraneous part is greater than the aperture of other parts of ejection end.
Existing settling mode is: before using bottler placer perfusion, first discharge a large amount of cold-producing mediums, the cold-producing medium being discharged carries large quantity of moisture and sprays from ejection end when the pipeline by rifle head, certain time, like this, can reduce the moisture in the pipeline of bottler placer and perfusion machine gun head, then by perfusion machine gun head, to air-conditioning system, pour into cold-producing medium, now the moisture of cold-producing medium of perfusion meets standard.But the upper means of crossing will be discharged a large amount of cold-producing mediums, cause the waste of cold-producing medium.
Utility model content
The utility model aim to provide a kind of moisture that reduces perfusion machine gun head inside perfusion machine gun head seal plug and there is its perfusion machine gun head.
To achieve these goals, according to an aspect of the present utility model, provide a kind of seal plug that pours into machine gun head, having comprised: the first sealing cylinder; The second sealing cylinder, is coaxially arranged on the first sealing cylinder, and the diameter of the second sealing cylinder is greater than the diameter of the first sealing cylinder.
Further, the step surface that the second sealing cylinder and the first sealing column body form is tapered guide surface.
Further, on the outer peripheral face of the second sealing cylinder, there is ring packing groove.
Further, ring packing groove along the second sealing cylinder radially shrink gradually extend internally.
Further, on the end away from the first sealing cylinder of the second sealing cylinder, be provided with operating portion.
Further, operating portion comprises: joint pin, and first end is connected with the second sealing cylinder; Operation board, is connected with the second end of joint pin.
Further, operation board and joint pin all coaxially arrange with the first sealing cylinder.
Further, the first sealing cylinder, the second sealing cylinder, joint pin and operation board are one-body molded.
According on the other hand of the present utility model, a kind of perfusion machine gun head is provided, comprise ejection end, perfusion machine gun head also comprises that the seal plug of shutoff ejection end, seal plug are the seal plug of above-mentioned perfusion machine gun head.
Further, ejection end has shoulder hole, shoulder hole has and first sealing the first hole section of being sealed and matched of cylinder of seal plug and the second hole section of being sealed and matched with the second sealing cylinder of seal plug, the diameter of the second hole section is greater than the diameter of the first hole section, on the outer peripheral face of the second sealing cylinder, there is ring packing groove, in ring packing groove, be provided with the O-ring seal that the inner peripheral surface with the second hole section is sealed and matched.
Application the technical solution of the utility model, owing to being provided with the first sealing cylinder and the second sealing cylinder, and the diameter of the second sealing cylinder is greater than the diameter of the first sealing cylinder, therefore, with seal plug shutoff perfusion machine gun head, the first sealing cylinder is sealed and matched with the interior diameter holes section of the ejection end of pouring into machine gun head, and the second sealing cylinder is sealed and matched with the interior hole, footpath greatly of the ejection end section of perfusion machine gun head.Like this, effectively realized the sealing of perfusion machine gun head, prevented that outside air from carrying the inside that large quantity of moisture enters perfusion machine gun head and bottler placer.That is to say, seal plug of the present utility model can effectively reduce the moisture of perfusion machine gun head inside.Meanwhile, while reusing bottler placer and perfusion machine gun head, can effectively reduce the moisture the cold-producing medium ejecting in perfusion machine gun head.Moisture the cold-producing medium that therefore, can make to eject in perfusion machine gun head without a large amount of refrigerated mediums of discharge meets standard.
Accompanying drawing explanation
The Figure of description that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows according to the structural representation of the embodiment of the plug sealing of perfusion machine gun head of the present utility model.
Wherein, the Reference numeral in above-mentioned figure is as follows:
10, the first sealing cylinder; 20, the second sealing cylinder; 21, tapered guide surface; 22, ring packing groove; 23, sealing transition part; 31, joint pin; 32, operation board.
The specific embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
As shown in Figure 1, the seal plug of the perfusion machine gun head of the present embodiment comprises the first sealing cylinder 10 and the second sealing cylinder 20.The diameter of the second sealing cylinder 20 is greater than the diameter of the first sealing cylinder 10, and the second sealing cylinder 20 is coaxially arranged on the first sealing cylinder 10, that is to say, the second sealing cylinder 20 and the first sealing cylinder 10 coaxially arrange.
The seal plug of application the present embodiment, owing to being provided with the first sealing cylinder 10 and the second sealing cylinder 20, and the diameter of the second sealing cylinder 20 is greater than the diameter of the first sealing cylinder 10, therefore, with seal plug shutoff perfusion machine gun head, the first sealing cylinder 10 is sealed and matched with the interior diameter holes section of the ejection end of pouring into machine gun head, and the second sealing cylinder 20 is sealed and matched with the interior hole, footpath greatly of the ejection end section of perfusion machine gun head.Like this, effectively realized the sealing of perfusion machine gun head, prevented that outside air from carrying the inside that large quantity of moisture enters perfusion machine gun head and bottler placer.That is to say, the seal plug of the present embodiment can reduce the moisture of perfusion machine gun head inside effectively.Meanwhile, while reusing bottler placer and perfusion machine gun head, can effectively reduce the moisture the cold-producing medium ejecting in perfusion machine gun head.Moisture the cold-producing medium that therefore, can make to eject in perfusion machine gun head without a large amount of refrigerated mediums of discharge meets standard.
As shown in Figure 1, in the present embodiment, the second sealing cylinder 20 is connected with one end of the first sealing cylinder 10.Certainly, as feasible embodiment, the second sealing cylinder 20 can have the coaxial through-hole of dodging the first sealing cylinder 10, and the second sealing cylinder 20 is set in the middle part of the first sealing cylinder 10.
As shown in Figure 1, in the present embodiment, the step surface that the second sealing cylinder 20 and the first sealing cylinder 10 form is tapered guide surface 21.The setting party of tapered guide surface 21 second sealing cylinder 20 extend into perfusion machine gun head inside.
As shown in Figure 1, in the present embodiment, on the outer peripheral face of the second sealing cylinder 20, there is ring packing groove 22.The effect of ring packing groove 22 has 2 points, one, when the second sealing cylinder 20 stretches into the inside of perfusion machine gun head, the sealing transition part 23 between ring packing groove 22 and the first sealing cylinder 10 on the second sealing cylinder 20 can produce strain, ring packing groove 22 can play the effect of dodging sealing transition part 23, facilitates sealing transition part 23 to extend into the inside of perfusion machine gun head.Its two, for the inside of perfusion machine gun head, there is the situation of O-ring seal, ring packing groove 22 is sealed and matched with this O-ring seal, can effectively improve the sealing effectiveness of the seal plug of the present embodiment.
As shown in Figure 1, in the present embodiment, ring packing groove 22 along the second sealing cylinder 20 radially shrink gradually extend internally.Like this, along the direction extending internally of ring packing groove 22, it is more and more tightr that ring packing groove 22 coordinates with O-ring seal, improved sealing effectiveness.
As shown in Figure 1, in the present embodiment, on the end away from the first sealing cylinder 10 of the second sealing cylinder 20, be provided with operating portion.What staff can control the second sealing cylinder 20 and the first sealing cylinder 10 very easily by operating portion stretches into perfusion machine gun head, main, staff can take out the second sealing cylinder 20 and the first sealing cylinder 10 easily by operating portion from the inside of perfusion machine gun head.
As shown in Figure 1, in the present embodiment, operating portion comprises joint pin 31 and operation board 32.The first end of joint pin 31 is connected with the second sealing cylinder 20.Operation board 32 is connected with the second end of joint pin 31.Operation board 32 facilitates staff hand-held, and in addition, the space having between operation board 32 and the second sealing cylinder 20 can hold staff's finger, and then facilitates staff to hold operation board 32.Preferably, centered by the cross section of operation board 32 higher than the ellipse at two ends.
As shown in Figure 1, in the present embodiment, operation board 32 and joint pin 31 all coaxially arrange with the first sealing cylinder 10.Said structure meets staff's hand-held custom.
As shown in Figure 1, in the present embodiment, the first sealing cylinder 10, the second sealing cylinder 20, joint pin 31 and operation board 32 are one-body molded.Like this, reduced the manufacturing cost of the seal plug of the present embodiment, and between each parts, connect more firm.
The utility model also provides a kind of perfusion machine gun head (not shown), and the perfusion machine gun head of the present embodiment comprises the seal plug of ejection end and shutoff ejection end, the seal plug of the perfusion machine gun head that seal plug is above-described embodiment.
In the perfusion machine gun head of the present embodiment, ejection end has shoulder hole, shoulder hole have with the first sealing cylinder 10(of seal plug as shown in Figure 1) the first hole section of being sealed and matched and the second hole section of being sealed and matched with the second sealing cylinder 20 of seal plug, the diameter of the second hole section is greater than the diameter of the first hole section, the second sealing cylinder 20 is the above-mentioned structure with ring packing groove 22, on the outer peripheral face of the second sealing cylinder 20, has ring packing groove 22.In ring packing groove 22, be provided with the O-ring seal that the inner peripheral surface with the second hole section is sealed and matched.Like this, the sealing effectiveness of the perfusion machine gun head of the present embodiment is better.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, 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., within all should being included in protection domain of the present utility model.
Claims (10)
1. a seal plug that pours into machine gun head, is characterized in that, comprising:
The first sealing cylinder (10);
The second sealing cylinder (20), is coaxially arranged on described the first sealing cylinder (10) upper, and the diameter of described the second sealing cylinder (20) is greater than the diameter of described the first sealing cylinder (10).
2. seal plug according to claim 1, is characterized in that, described the second sealing cylinder (20) is tapered guide surface (21) with the step surface that described the first sealing cylinder (10) forms.
3. seal plug according to claim 1, is characterized in that, on the outer peripheral face of described the second sealing cylinder (20), has ring packing groove (22).
4. seal plug according to claim 3, is characterized in that, described ring packing groove (22) along described the second sealing cylinder (20) radially shrink gradually extend internally.
5. seal plug according to claim 1, is characterized in that, on the end away from described the first sealing cylinder (10) of described the second sealing cylinder (20), is provided with operating portion.
6. seal plug according to claim 5, is characterized in that, described operating portion comprises:
Joint pin (31), first end is connected with described the second sealing cylinder (20);
Operation board (32), is connected with the second end of described joint pin (31).
7. seal plug according to claim 6, is characterized in that, described operation board (32) and joint pin (31) all coaxially arrange with the first sealing cylinder (10).
8. seal plug according to claim 6, is characterized in that, described the first sealing cylinder (10), described the second sealing cylinder (20), described joint pin (31) and described operation board (32) are one-body molded.
9. a perfusion machine gun head, comprises ejection end, it is characterized in that, described perfusion machine gun head also comprises the seal plug of ejection end described in shutoff, and described seal plug is the seal plug of the perfusion machine gun head described in any one in claim 1 to 8.
10. perfusion machine gun head according to claim 9, it is characterized in that, described ejection end has shoulder hole, described shoulder hole has and the described first first hole section that is sealed and matched of sealing cylinder (10) of described seal plug and the second hole section of being sealed and matched with the described second sealing cylinder (20) of described seal plug, the diameter of described the second hole section is greater than the diameter of described the first hole section, on the outer peripheral face of described the second sealing cylinder (20), there is ring packing groove (22), in described ring packing groove (22), be provided with the O-ring seal that the inner peripheral surface with described the second hole section is sealed and matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320549093.4U CN203443194U (en) | 2013-09-04 | 2013-09-04 | Sealing plug of perfusion machine gun head and perfusion machine gun head with sealing plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320549093.4U CN203443194U (en) | 2013-09-04 | 2013-09-04 | Sealing plug of perfusion machine gun head and perfusion machine gun head with sealing plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203443194U true CN203443194U (en) | 2014-02-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320549093.4U Expired - Fee Related CN203443194U (en) | 2013-09-04 | 2013-09-04 | Sealing plug of perfusion machine gun head and perfusion machine gun head with sealing plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203443194U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019023A (en) * | 2014-05-16 | 2014-09-03 | 陈焕祥 | Hydraulic oil pump good in sealing effect |
| CN105423053A (en) * | 2015-11-19 | 2016-03-23 | 马玉荣 | Cock cap for sewer pipeline |
-
2013
- 2013-09-04 CN CN201320549093.4U patent/CN203443194U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019023A (en) * | 2014-05-16 | 2014-09-03 | 陈焕祥 | Hydraulic oil pump good in sealing effect |
| CN105423053A (en) * | 2015-11-19 | 2016-03-23 | 马玉荣 | Cock cap for sewer pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20210904 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |