CN203223549U - Connecting pipe assembly and easily-mounted seal plug - Google Patents
Connecting pipe assembly and easily-mounted seal plug Download PDFInfo
- Publication number
- CN203223549U CN203223549U CN201220665031.5U CN201220665031U CN203223549U CN 203223549 U CN203223549 U CN 203223549U CN 201220665031 U CN201220665031 U CN 201220665031U CN 203223549 U CN203223549 U CN 203223549U
- Authority
- CN
- China
- Prior art keywords
- nut
- connecting tube
- fixed block
- sealing plug
- easy installation
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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.)
- Expired - Lifetime
Links
- 238000009434 installation Methods 0.000 claims abstract description 41
- 238000007789 sealing Methods 0.000 claims description 55
- 239000013536 elastomeric material Substances 0.000 claims description 7
- 238000004378 air conditioning Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model provides a connecting pipe assembly and an easily-mounted seal plug. The easily-mounted seal plug comprises a fixed piece and a plugging piece connected to the fixed piece. A first cavity and a second cavity which are communicated with each other are disposed in the fixed piece, respectively corresponding to a nut of the seal and to the connecting pipe. The first cavity and a second cavity which are communicated with each other can open and accommodate the nut of the seal and the connecting pipe. The nut and the connecting pipe are wrapped in the fixed piece. The plugging member comprises a plugging end cap and a plugging boss. The plugging boss is disposed in the middle of the surface of the plugging end cap, orienting towards one side of the fixed piece, for inserting into the nut wrapped in the fixed piece. The plugging end cap is used for plugging the outer end surface of the nut of the seal. The easily-mounted seal plug can simplify the assembling process of the connecting pipe seal and enhance the artificial operability of air-conditioning installation.
Description
Technical field
The utility model relates to air-conditioning technical field, relates in particular to connecting tube assembly and simple and easy installation sealing plug thereof for air-conditioning.
Background technique
Connecting tube is a kind of requisite component in the air-conditioning product, and it is responsible for being communicated with indoor set and outdoor unit, and the indoor and outdoor pipe-line system is coupled together, and forms the refrigeration system of a sealing.Therefore refrigeration system needs good sealing property, and before installation, outdoor unit pipe-line system, indoor set pipe-line system still be that connecting tube all needs to seal, and prevents from that air from entering to cause the connecting tube inner wall oxide in the pipe-line system.
As shown in Figure 1, at present the sealing means of connecting tube is to screw on the sealing plug 1 of an internal thread shape rigid plastics at copper nut 2 places of connecting tube, prevents the connecting tube inner wall oxide, and avoiding scale to infiltrate influences heat pump performance in the refrigerant.Install an air-conditioner the back if there is impurity to enter in the system, and not only influence refrigeration can be damaged compressor when serious, and can prevent that by sealing plug 1 is set dust, foreign material etc. from entering connecting tube inside.Yet when assembling this kind sealing plug 1, it tightens on the copper nut 2 to need artificial employing pneumatic screw hilt.When installing an air-conditioner, this sealing plug 1 is fixed tightlyer with copper nut 2, needs instrument could sealing plug 1 dismounting so relatively be wasted time and energy, and is unfavorable for operation, and manufacturing efficiency is low, and sealing plug processing cost height.
The model utility content
Main purpose of the present utility model is to provide a kind of connecting tube assembly and simple and easy installation sealing plug thereof, is intended to simplify connecting tube and seals assembly technology and strengthen the manual operation that air-conditioning is installed.
To achieve these goals, the utility model provides a kind of simple and easy installation sealing plug, be used for sealed joint pipe and be installed in the nut of connecting tube end, the closeouts that described simple and easy installation sealing plug comprises fixed block and is connected to fixed block, correspondence nut to be sealed is respectively arranged with first cavity and second cavity that is connected with connecting tube in the described fixed block, described first cavity that is connected and second cavity can be opened and accommodate nut to be sealed and connecting tube, described nut and connecting tube are wrapped in the described fixed block, described closeouts comprises shutoff end cap and shutoff boss, described shutoff boss be located at described shutoff end cap towards the surface middle part of described fixed block one side to be used for inserting in the nut that is wrapped in the fixed block, described shutoff end cap is used for the exterior edge face of shutoff nut to be sealed.
Preferably, be provided with limited part with axially outwards mobile along it with respect to nut for the restriction fixed block in the connecting part of described first cavity and second cavity in the described fixed block.
Preferably, described simple and easy installation sealing plug is one-body molded that is made by elastomeric material.
Preferably, described fixed block axially offers the opening that connects its two ends and the interior outside along it, by opening described opening described first cavity and second cavity is opened.
Preferably, described simple and easy installation sealing plug also comprises joint, and the part edge of the shutoff end cap of described closeouts is connected with fixed block by described joint, and the opening of described joint and described fixed block is and is oppositely arranged.
Preferably, described fixed block comprises two hinged semicircle pipes, and described two semicircle pipes are provided with the fastening structure of mutual fastening, described closeouts links to each other with a semicircle pipe in described two semicircle pipes by described joint, untie described fastening structure and described two halves pipe is opened and opened described first cavity and second cavity, hold described fastening structure two semicircle pipe threads of described fixed block are lumped together and described fixed block is placed on the connecting tube.
Preferably, the outer circumferential face of described fixed block is provided with circular groove, is provided with a rubber band in the described circular groove with the described fixed block of banding.
Preferably, the shutoff boss of described closeouts comprises that first column body segment and second column body segment cooperate with nut to be sealed and connecting tube being respectively applied to, described first column body segment is between shutoff end cap and second column body segment, and the external diameter of described first column body segment is greater than the external diameter of second column body segment.
Preferably, circular diameter equates at the bottom of the internal thread tooth of the external diameter of described first column body segment and nut to be sealed, the length of described first column body segment equates with the internal depth of nut to be sealed, the external diameter of described second column body segment equates that with the internal diameter of connecting tube to be sealed the length of described second column body segment is 5mm ~ 10mm.
The utility model also provides a kind of connecting tube assembly, comprise connecting tube and be located at the nut of described connecting tube end, described connecting tube assembly also comprises aforesaid simple and easy installation sealing plug, and described simple and easy installation sealing plug is set on described connecting tube and the nut so that described connecting tube and nut are sealed.
In the utility model connecting tube assembly, this simple and easy installation sealing plug can be arranged at easily on connecting tube and the nut thereof that it is sealed, thereby simplifies sealing assembly technology and strengthening the manual operation that air-conditioning is installed of connecting tube; Described fixed block can be strengthened the adhesive strength between closeouts and the connecting tube, makes the sealing between simple and easy installation sealing plug and the connecting tube more reliable; The employing elastomeric material is made, and need not machining screw on closeouts, thereby can improve the manufacturing efficiency of connecting tube assembly, reduces processing cost and the cost of raw material of connecting tube assembly.
Description of drawings
The schematic representation that Fig. 1 seals for existing connecting tube assembly.
Fig. 2 is the structural representation of existing connecting tube sealing plug that assembly uses.
Fig. 3 is the assembling schematic representation of the utility model connecting tube assembly one preferred embodiment.
Fig. 4 is the sectional view of connecting tube assembly shown in Figure 3.
Fig. 5 is the decomposing schematic representation of simple and easy installation sealing plug in the connecting tube assembly shown in Figure 3.
Fig. 6 is the decomposing schematic representation of simple and easy another angle of installation sealing plug in the connecting tube assembly shown in Figure 3.
The realization of the utility model purpose, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
To shown in Figure 6, be a preferred embodiment of the utility model connecting tube assembly and simple and easy installation sealing plug thereof as Fig. 3.
Described connecting tube assembly comprises connecting tube 6, be located at the nut 5 of described connecting tube 6 ends and be set on described connecting tube 6 and the nut 5 the simple and easy installation sealing plug that seals with to described connecting tube 6 and nut 5.
Described connecting tube assembly can be used in the air-conditioning, and described connecting tube 6 and nut 5 can be copper material and make.
Described simple and easy installation sealing plug comprises fixed block 3, closeouts 4 and is connected in joint 30 between described fixed block 3 and the closeouts 4.Correspondence nut 5 to be sealed is respectively arranged with first cavity 34 and second cavity 35 that is connected with the end of connecting tube 6 in the described fixed block 3, described first cavity 34 that is connected and second cavity 35 can be opened and accommodate nut to be sealed 5 and connecting tube 6, and described nut 5 is wrapped in the described fixed block 3 with connecting tube 6.Described closeouts 4 comprises shutoff end cap 41 and shutoff boss 42, described shutoff boss 42 be located at described shutoff end cap 41 towards the surface middle part of described fixed block 3 one sides to be used for inserting in the nut 5 that is wrapped in fixed block 3 in, described shutoff end cap 41 is for the exterior edge face of shutoff nut 5 to be sealed.
Be provided with limited part 37 with axially outwards mobile along it with respect to nut 5 for restriction fixed block 3 in the connecting part of described first cavity 34 and second cavity 35 in the described fixed block 3, thereby prevent that described closeouts 4 and fixed block 3 are from connecting tube 6 disengagings.
The fixed block 3 of described simple and easy installation sealing plug, closeouts 4 and joint 30 can by elastomeric material such as soft rubber is one-body molded be made, thereby has better elastic, cost is low, production routine and technology are simple, or fixed block 3 be making separately with closeouts 4, links together by joint 30 again.
In the present embodiment, described fixed block 3, closeouts 4 and joint 30 are made by elastomeric material is one-body molded, and namely described simple and easy installation sealing plug is one-body molded that is made by elastomeric material.Described fixed block 3 axially offers the opening 36 that connects its two ends and the interior outside along it, by opening described opening 36 described first cavity 34 and second cavity 35 is opened.The part edge of the shutoff end cap 41 of described closeouts 4 is connected with fixed block 3 by described joint 30.Preferably, the opening 36 of described joint 30 and described fixed block 3 is and is oppositely arranged.When described simple and easy installation sealing plug is used for nut 5 and connecting tube 6 sealed, can makes the combination between closeouts 4 and nut 5 and the connecting tube 6 more firm by described fixed block 3, and can effectively prevent losing of closeouts 4.
The outer circumferential face of described fixed block 3 is provided with circular groove 32, when connecting tube 6 is sealed, one rubber band 7 can be set with banding fixed block 3 in circular groove 32, make to cooperate closelyr between fixed block 3 and connecting tube 6 and the nut 5, prevent that effectively closeouts 4 breaks away from from nut 5 and connecting tube 6.Preferentially, described circular groove 32 arranges near described limited part 37.
The fixed block 3 of described simple and easy installation sealing plug and the shape of closeouts 4 and size are matched mutually with connecting tube 6 to be sealed and shape and the size of nut 5, and are as the criterion with the outer rims that described closeouts 4 can be filled in to described nut 5 and connecting tube 6, described fixed block 3 can closely be coated on nut 5 and connecting tube 6.In the present embodiment, more than the big 5mm of circumcircle of the external diameter of the shutoff end cap 41 of described closeouts 4 than nut 5 to be sealed, the thickness of described shutoff end cap 41 is 2mm ~ 5mm.
In the present embodiment, the shutoff boss 42 of described closeouts 4 comprises first column body segment 421 and second column body segment 422, cooperates with nut to be sealed 5 and connecting tube 6 being respectively applied to.Described first column body segment 421 is between shutoff end cap 41 and second column body segment 422, and the external diameter of described first column body segment 421 is greater than the external diameter of second column body segment 422, and equate that with circular diameter at the bottom of the internal thread tooth of nut 5 to be sealed the length of described first column body segment 421 equates with the internal depth of nut to be sealed 5.The external diameter of described second column body segment 422 equates that with the internal diameter of connecting tube to be sealed 6 length of described second column body segment 422 is 5mm ~ 10mm.When connecting tube 6 was sealed, described first column body segment 421 and second column body segment 422 were inserted in respectively in nut 5 and the connecting tube 6.The outer circumferential face of described first column body segment 421 and second column body segment, 422 joints is provided with chamfering (not indicating), and when connecting tube 6 was sealed, described chamfering can be close to the horn mouth of nut 5, reached the excellent sealing effect.
When adopting above-mentioned simple and easy installation sealing plug that connecting tube 6 and nut 5 are sealed, the opening 36 of fixed block 3 is opened, the connecting tube 6 of nut 5 rear ends is filled in from opening 36 in second cavity 35, then fixed block 3 is moved towards nut 5 ends vertically, until first cavity 34 nut 5 is entangled, then closeouts 4 is injected in the nut 5, rubber band 7 is set to finishes the whole assembly process of sealing in the circular groove 32 at last.After assembling this simple and easy installation sealing plug, the internal surface of shutoff end cap 41 withstands the exterior edge face of nut 5, and nut 5 is fixed on again in first cavity 34, so just reaches the effect of set screw nut 5 and sealed joint pipe 6.In addition, joint 30 links together fixed block 3 and closeouts 4, can strengthen fixing and sealing effect.Because first column body segment, 421 external diameters of shutoff boss 42 equate with circle at the bottom of the internal thread tooth of nut 5, therefore the internal thread with nut 5 has certain interference fit, first column body segment 421 is subjected to the internal thread extruding of nut 5 during assembling, can produce deformation, diameter diminishes, because this simple and easy installation is sealed and is plugged with certain elasticity, there was the power effect in first column body segment 421 with nut 5 after assembling was finished, can closeouts 4 is fixing.
In the above-mentioned connecting tube assembly, fixed block 3 is for being provided with the body of opening 36, when being sheathed on fixed block 3 on the connecting tube 6, by opening 36 is opened, thereby can easily fixed block 3 be sheathed on the connecting tube 6.But the structure of fixed block 3 is not limited to so, in other embodiments, fixed block can also be to comprise two hinged semicircle pipes, and the fastening structure of mutual fastening is set at two semicircle pipes, closeouts 4 links to each other (can be connected by hinged mode) with one of them semicircle pipe by joint 30, when being sheathed on connecting tube 6 and the nut 5 when fixed block 3 is opened, untie described fastening structure and described two halves pipe is opened and opened described first cavity and second cavity, hold described fastening structure two semicircle pipe threads of fixed block are lumped together and easily fixed block are placed on the connecting tube.
Above-mentioned connecting tube assembly, this simple and easy installation sealing plug can be arranged at connecting tube and nut thereof easily so that it is sealed, thereby simplify sealing assembly technology and strengthening the manual operation that air-conditioning is installed of connecting tube; Described fixed block can be strengthened the adhesive strength between closeouts and the connecting tube, makes the sealing between simple and easy installation sealing plug and the connecting tube more reliable; The employing elastomeric material is made, and need not machining screw on closeouts, thereby can improve the manufacturing efficiency of connecting tube assembly, reduces processing cost and the cost of raw material of connecting tube assembly.
The utility model is not limited to above mode of execution, under the disclosed technology contents of above-mentioned mode of execution, can also carry out various variations.Every equivalent structure transformation that utilizes the utility model specification and accompanying drawing content to do, or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (10)
1. simple and easy installation sealing plug, be used for sealed joint pipe and be installed in the nut of connecting tube end, it is characterized in that, the closeouts that described simple and easy installation sealing plug comprises fixed block and is connected to fixed block, correspondence nut to be sealed is respectively arranged with first cavity and second cavity that is connected with connecting tube in the described fixed block, described first cavity that is connected and second cavity can be opened and accommodate nut to be sealed and connecting tube, described nut and connecting tube are wrapped in the described fixed block, described closeouts comprises shutoff end cap and shutoff boss, described shutoff boss be located at described shutoff end cap towards the surface middle part of described fixed block one side to be used for inserting in the nut that is wrapped in the fixed block, described shutoff end cap is used for the exterior edge face of shutoff nut to be sealed.
2. simple and easy installation sealing plug as claimed in claim 1 is characterized in that, is provided with limited part with axially outwards mobile along it with respect to nut for the restriction fixed block in the connecting part of described first cavity and second cavity in the described fixed block.
3. simple and easy installation sealing plug as claimed in claim 1 is characterized in that, described simple and easy installation sealing plug is one-body molded that is made by elastomeric material.
4. simple and easy installation sealing plug as claimed in claim 3 is characterized in that, described fixed block axially offers the opening that connects its two ends and the interior outside along it, by opening described opening described first cavity and second cavity is opened.
5. simple and easy installation sealing plug as claimed in claim 4, it is characterized in that, described simple and easy installation sealing plug also comprises joint, and the part edge of the shutoff end cap of described closeouts is connected with fixed block by described joint, and the opening of described joint and described fixed block is and is oppositely arranged.
6. simple and easy installation sealing plug as claimed in claim 5, it is characterized in that, described fixed block comprises two hinged semicircle pipes, and described two semicircle pipes are provided with the fastening structure of mutual fastening, described closeouts links to each other with a semicircle pipe in described two semicircle pipes by described joint, untie described fastening structure and described two halves pipe is opened and opened described first cavity and second cavity, hold described fastening structure two semicircle pipe threads of described fixed block are lumped together and described fixed block is placed on the connecting tube.
7. simple and easy installation sealing plug as claimed in claim 1 is characterized in that the outer circumferential face of described fixed block is provided with circular groove, is provided with a rubber band in the described circular groove with the described fixed block of banding.
8. simple and easy installation sealing plug as claimed in claim 1, it is characterized in that, the shutoff boss of described closeouts comprises that first column body segment and second column body segment cooperate with nut to be sealed and connecting tube being respectively applied to, described first column body segment is between shutoff end cap and second column body segment, and the external diameter of described first column body segment is greater than the external diameter of second column body segment.
9. simple and easy installation sealing plug as claimed in claim 8, it is characterized in that, circular diameter equates at the bottom of the internal thread tooth of the external diameter of described first column body segment and nut to be sealed, the length of described first column body segment equates with the internal depth of nut to be sealed, the external diameter of described second column body segment equates that with the internal diameter of connecting tube to be sealed the length of described second column body segment is 5mm～10mm.
10. connecting tube assembly, comprise connecting tube and be located at the nut of described connecting tube end, it is characterized in that, described connecting tube assembly comprises that also described simple and easy installation sealing plug is set on described connecting tube and the nut so that described connecting tube and nut are sealed as any described simple and easy installation sealing plug in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220665031.5U CN203223549U (en) | 2012-12-05 | 2012-12-05 | Connecting pipe assembly and easily-mounted seal plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220665031.5U CN203223549U (en) | 2012-12-05 | 2012-12-05 | Connecting pipe assembly and easily-mounted seal plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203223549U true CN203223549U (en) | 2013-10-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220665031.5U Expired - Lifetime CN203223549U (en) | 2012-12-05 | 2012-12-05 | Connecting pipe assembly and easily-mounted seal plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203223549U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340372A (en) * | 2018-11-09 | 2019-02-15 | 天津航空机电有限公司 | A kind of structure and packaging method of stainless steel tube seal nipple |
-
2012
- 2012-12-05 CN CN201220665031.5U patent/CN203223549U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340372A (en) * | 2018-11-09 | 2019-02-15 | 天津航空机电有限公司 | A kind of structure and packaging method of stainless steel tube seal nipple |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131002 |
|
| CX01 | Expiry of patent term |