CN203375006U - Air conditioner and anti-disassembly pipe connecting device - Google Patents
Air conditioner and anti-disassembly pipe connecting device Download PDFInfo
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- CN203375006U CN203375006U CN201320363909.4U CN201320363909U CN203375006U CN 203375006 U CN203375006 U CN 203375006U CN 201320363909 U CN201320363909 U CN 201320363909U CN 203375006 U CN203375006 U CN 203375006U
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- ratchet
- ring
- external thread
- thread section
- core
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Abstract
The utility model provides an anti-disassembly pipe connecting device which comprises a pipe connector and an auxiliary nut which is locked with the pipe connector so as to enable a first connecting pipe to be fixed between the pipe connector and the auxiliary nut. The pipe connector comprises a first external thread section, a second external thread section and a ratchet wheel nut part, wherein the first external thread section is locked with the auxiliary nut, and the ratchet wheel nut part is locked on the second external thread section. The ratchet wheel nut part comprises a nut body, a ratchet ring and a ratchet core, wherein the ratchet ring is formed on an inner ring of the nut body, and the ratchet core is coaxially sleeved with the nut body and matched with the ratchet ring. Internal threads which are locked with external threads of the second external thread section are arranged on an inner ring of the ratchet core. An elastic buckling structure is arranged on an outer ring of the ratchet core. The elastic buckling structure is buckled on the ratchet ring mode when the ratchet nut part rotates in the first clock direction. The pipe connector is locked into the auxiliary nut. The elastic buckling structure slides over a ratchet of the ratchet ring when the ratchet nut part rotates in the second clock direction, and the mistaken disassembly is avoided. The utility model further provides an air conditioner with the anti-disassembly pipe connecting device.
Description
Technical field
The utility model belongs to air-conditioning duct interconnection technique field, relates in particular to a kind of Anti-dismantling tube connecting device and applies the air conditioner of this Anti-dismantling tube connecting device.
Background technique
At present, the indoor side of Domestic separating air conditioner is all to use the mode of pipe joint and auxiliary nut to be connected the pipeline of vaporizer and outdoor unit.The outer surface of existing auxiliary nut is prismatic surface, there is application of force tangent plane, pipe joint is generally the integral type pipe joint, mainly by thread section and prism section two-part, formed, when the prism section is applied to clockwise moment, thread section rotates together with the prism section, can closely cooperate with auxiliary nut, forms sealing surface.But, when the prism section is applied to anticlockwise moment, drive also thread section simultaneously and rotate together, therefore, pipe joint can unclamp with coordinating of auxiliary nut, thereby, there is dismountable possibility between pipe joint and auxiliary nut, can produce the hidden danger of missing dismounting and causing coolant leakage.
In EN60335-2-40 and GB4706.32-2012 standard, require to use the air conditioner chamber inboard of combustible refrigerant not allow to reuse detachable connector, this is because being connected between existing pipe joint and auxiliary nut has detachability, can cause the mistake dismounting between pipe joint and auxiliary nut, and then cause security incident.
In order to solve the non-compliant problem of demountable tube joint, available technology adopting vaporizer take over and outdoor unit adopts the mode of welding to connect between taking over.Though welding meets standard, but welding makes the attended operation complexity of vaporizer and adapter, also has certain risk and trouble at the indoor weld job that carries out of client simultaneously.
The model utility content
The utility model embodiment's purpose is to provide a kind of Anti-dismantling tube connecting device, is intended to solve between prior art air conditioner pipe joint used and auxiliary nut the possibility that has the mistake dismounting, and the coolant leakage accident easily occurs, and user's life safety is constituted a threat to.
The utility model embodiment realizes like this, a kind of Anti-dismantling tube connecting device, it comprises the first connecting tube, the second connecting tube and connect the Anti-detachable pipe connector assembly of described the first connecting tube and described the second connecting tube, described Anti-detachable pipe connector assembly comprises the pipe joint be connected with an end of described the second connecting tube and fixes auxiliary nut therebetween with described pipe joint is sealed with the end by described the first connecting tube, described pipe joint comprises first external thread section sealed with described auxiliary nut, the second external thread section and be locked on the ratchet wheel screw parent part on described the second external thread section, described ratchet wheel screw parent part comprises nut body, be formed at the ratchet ring of the inner ring of described nut body, coaxially be placed in described nut body and the ratchet core coordinated with described ratchet ring, the inner ring of described ratchet core is provided with the internal thread that the outside thread with described the second external thread section locks together, the outer ring of described ratchet core is provided with elastic-buckle structure, it is to make the first external thread section of described pipe joint lock the rotation in described auxiliary nut that described ratchet wheel screw parent part rotates along the first clockwise with respect to described the second external thread section, described elastic-buckle structure is snapped on the ratchet of described ratchet ring when described the first clockwise rotates in described ratchet wheel screw parent part, described elastic-buckle structure slips over the ratchet of described ratchet ring when the second clockwise contrary with described the first clockwise rotates in described ratchet wheel screw parent part.
Further, the outer ring of described ratchet core offers short slot, described elastic-buckle structure comprise be parallel to described ratchet core axially and be fixed in groove bottom and the elastic element of elastic compression under described ratchet that bearing pin, an end activity on the inner side surface of described short slot is placed in the ratchet on described bearing pin and is arranged at described short slot; While rotating in described ratchet wheel screw parent part along described the first clockwise, the free end of described ratchet extends beyond the surface, outer ring of described ratchet core and is stuck on described ratchet; While rotating in described ratchet wheel screw parent part along described the second clockwise, described ratchet compresses described elastic element and rotates in the described short slot of retraction.
Further, the end be placed on described bearing pin of described ratchet can be butted on the groove bottom of described short slot under the resilient force of described elastic element.
Further, the outer ring of described ratchet core evenly offers some described short slots, and the quantity of described elastic-buckle structure is several, and each elastic-buckle structure is corresponding one by one with each short slot.
Further, it is curved that described ratchet is arc bend, and it is outwardly-bent that described ratchet deviates from the direction of outer ring of described ratchet core.
Further, described ratchet wheel screw parent part also comprises two back-up rings that coaxially are placed in described nut body and are positioned at the relative both sides of described ratchet core, and the sandwiched described ratchet core of described two back-up ring is between the two.
Further, the inner ring of described nut body is provided with two sections internal threads in the relative both sides of described ratchet ring, and the outer ring of each back-up ring is provided with outside thread, the outside thread of described two back-up rings respectively with two sections of the inner ring of described nut body in internal thread lock together.
Further, the end of described the first connecting tube is provided with gradually wide joint of opening, and described joint is folded between the end and described auxiliary nut of described the first external thread section of described pipe joint.
Further, between described the first external thread section and described the second external thread section, be formed with baffle ring 53, described ratchet wheel screw parent part backstop is on described baffle ring.
Another purpose of the utility model embodiment is to provide a kind of air conditioner, and it comprises indoor set, outdoor unit and above-mentioned Anti-dismantling tube connecting device, and described the first connecting tube is connected on described outdoor unit, and described the second connecting tube is connected on described indoor set.
The pipe joint of above-mentioned Anti-dismantling tube connecting device is provided with the ratchet wheel screw parent part, the inside of ratchet wheel screw parent part couples together by ratchet and ratchet core, the elastic-buckle structure of outer ring and coordinating of ratchet by the ratchet core, this cooperation is such: when described ratchet wheel screw parent part along described the first clockwise (, make the first external thread section of described pipe joint lock the clockwise of the rotation in described auxiliary nut) while rotating, described elastic-buckle structure is snapped on the ratchet of described ratchet ring, make ratchet core and nut body rotate simultaneously, nut body can drive the first external thread section and lock in auxiliary nut, realize being connected of pipe joint and auxiliary nut, when described ratchet wheel screw parent part counterclockwise direction is rotated, elastic-buckle structure slips over the ratchet of described ratchet ring, the power that makes knob tool act on nut body can not be delivered to the second external thread section, the dismounting of pipe joint and auxiliary nut is become impossible, thoroughly avoid occurring the thing of mistake dismounting, avoid the coolant leakage of air conditioner, guaranteed user's life safety.
The accompanying drawing explanation
Fig. 1 is the structural drawing of the Anti-dismantling tube connecting device that provides of the utility model embodiment.
Fig. 2 is the structural drawing of pipe joint of the Anti-dismantling tube connecting device of Fig. 1.
Fig. 3 is the three-dimensional exploded view of pipe joint of the Anti-dismantling tube connecting device of Fig. 2.
Fig. 4 is the three-dimensional exploded view of ratchet wheel screw parent part of pipe joint of the Anti-dismantling tube connecting device of Fig. 3.
Fig. 5 is the three-dimensional exploded view of ratchet core of the ratchet wheel screw parent part of Fig. 4.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1, the Anti-dismantling tube connecting device 10 that the utility model embodiment provides comprises the first connecting tube 20, the second connecting tube 30 and connects the Anti-detachable pipe connector assembly 40 of described the first connecting tube 20 and described the second connecting tube 30.Described Anti-detachable pipe connector assembly 40 comprises the pipe joint 50 be connected with an end of described the second connecting tube 30 and fixes auxiliary nut 60 therebetween with described pipe joint 50 is sealed with the end by described the first connecting tube 20.
Please consult Fig. 2 and Fig. 3, described pipe joint 50 comprises first external thread section 51, second external thread section 52 sealed with described auxiliary nut 60 and is locked on the ratchet wheel screw parent part 70 on described the second external thread section 52 simultaneously.
Please consult Fig. 4 and Fig. 5, described ratchet wheel screw parent part 70 comprises nut body 71, is formed at the ratchet ring 72 of the inner ring of described nut body 71, coaxially is placed in described nut body 71 and the ratchet core 80 coordinated with described ratchet ring 72 simultaneously.The inner ring of described ratchet core 80 is provided with the internal thread that the outside thread with described the second external thread section 52 locks together.The outer ring of described ratchet core 80 is provided with elastic-buckle structure 90.For the clear matching relationship of describing between this elastic-buckle structure 90 and ratchet, defining described ratchet wheel screw parent part 70 is to make the first external thread section 51 of described pipe joint 50 lock the rotation in described auxiliary nut 60 with respect to described the second external thread section 52 along the first clockwise rotation.
While rotating in described ratchet wheel screw parent part 70 along described the first clockwise, described elastic-buckle structure 90 is snapped on the ratchet of described ratchet ring 72; While rotating in described ratchet wheel screw parent part 70 along the second clockwise contrary with described the first clockwise, described elastic-buckle structure 90 slips over the ratchet of described ratchet ring 72.Make between ratchet core 80 and nut body 71 and produce relative rotation.
The pipe joint 50 of above-mentioned Anti-dismantling tube connecting device 10 is provided with ratchet wheel screw parent part 70, the inside of ratchet wheel screw parent part 70 couples together by ratchet and ratchet core 80, the elastic-buckle structure 90 of outer ring and coordinating of ratchet by ratchet core 80, this cooperation is such: when described ratchet wheel screw parent part 70 along described the first clockwise (, make the first external thread section 51 of described pipe joint 50 lock the clockwise of the rotation in described auxiliary nut 60) while rotating, described elastic-buckle structure 90 is snapped on the ratchet of described ratchet ring 72, make ratchet core 80 and nut body 71 rotate simultaneously, nut body 71 can drive the first external thread section 51 and lock in auxiliary nut 60, realize being connected of pipe joint 50 and auxiliary nut 60, when described ratchet wheel screw parent part 70 counterclockwise direction are rotated, elastic-buckle structure 90 slips over the ratchet of described ratchet ring 72, the power that makes knob tool act on nut body 71 can not be delivered to the second external thread section 52, the dismounting of pipe joint 50 and auxiliary nut 60 is become impossible, thoroughly avoid occurring the thing of mistake dismounting, avoid the coolant leakage of air conditioner, guaranteed user's life safety.
In the present embodiment, described the first clockwise is that counterclockwise described the second clockwise is clockwise direction.In other embodiments, described the first clockwise is clockwise direction, and described the second clockwise is counterclockwise.
In the present embodiment, the outer ring of described ratchet core 80 offers short slot 81.Described elastic-buckle structure 90 comprise be parallel to described ratchet core 80 axially and be fixed in groove bottom and the elastic element 93 of elastic compression under described ratchet 92 that bearing pin 91, an end activity on the inner side surface of described short slot 81 is placed in the ratchet 92 on described bearing pin 91 and is arranged at described short slot 81.While rotating in described ratchet wheel screw parent part 70 along described the first clockwise, the free end of described ratchet 92 extends beyond the surface, outer ring of described ratchet core 80 and is stuck on described ratchet.While rotating in described ratchet wheel screw parent part 70 along described the second clockwise, in the described ratchet 92 described elastic elements 93 of compression and the described short slot 81 of rotation retraction.
Further, the end be placed on described bearing pin 91 of described ratchet 92 can be butted on the groove bottom of described short slot 81 under the resilient force of described elastic element 93, avoids ratchet 92 under the elastic force effect of elastic element 93 and overturns excessive.
In the present embodiment, the outer ring of described ratchet core 80 evenly offers some described short slots 81, and the quantity of described elastic-buckle structure 90 is several, and each elastic-buckle structure 90 is corresponding one by one with each short slot 81.In other embodiments, a short slot 81 and an elastic-buckle structure 90 can only be set.
Further, it is curved that described ratchet 92 is arc bend, and it is outwardly-bent that described ratchet 92 deviates from the direction of outer ring of described ratchet core 80.When described ratchet wheel screw parent part 70 rotates along described the second clockwise, nut body 71 and ratchet core 80 relative slidings, ratchet 92 slips over ratchet, in sliding process, elastic element 93 is continued compression, make ratchet 92 be absorbed in described short slot 81, due to described ratchet 92, to be arc bend curved, and ratchet 92 is pressed close to the bottom of short slot 81 better.
Described ratchet wheel screw parent part 70 also comprises two back-up rings 73 that coaxially are placed in described nut body 71 and are positioned at the relative both sides of described ratchet core 80, and the sandwiched described ratchet core 80 of described two back-up ring 73 is between the two.The inner ring of described nut body 71 is provided with two sections internal threads in the relative both sides of described ratchet ring 72, and the outer ring of each back-up ring 73 is provided with outside thread, the outside thread of described two back-up rings 73 respectively with two sections of the inner ring of described nut body 71 in internal thread lock together.
The end of described the first connecting tube 20 is provided with gradually wide joint 21 of opening, and described joint 21 is folded between the end and described auxiliary nut 60 of described the first external thread section 51 of described pipe joint 50.
Be formed with baffle ring 53 between described the first external thread section 51 and described the second external thread section 52, described ratchet wheel screw parent part 70 backstops are on described baffle ring 53.
In the installation process of above-mentioned Anti-dismantling tube connecting device 10, one end of the second connecting tube 30 is welded in described pipe joint 50, use screwing tool to act on ratchet wheel screw parent part 70, the ratchet core 80 of ratchet wheel screw parent part 70 screws on the second external thread section 52 along the first clockwise, in the process of screwing, when ratchet wheel screw parent part 70 backstops are on described baffle ring 53, illustrate that ratchet core 80 screws and puts in place on the second external thread section 52.Then, use the another one screwing tool to act on auxiliary nut 60, two screwing tools are all along the first clockwise rotation, due to baffle ring 53, to have blocked ratchet wheel screw parent part 70 sealed with respect to the continuation of the second external thread section 52, now, screwing tool can drive ratchet wheel screw parent part 70 and rotate together with the first external thread section 51, when the first external thread section 51 lock in auxiliary nut 60 and the joint of the first connecting tube 20 21 is folded in to the end of described the first external thread section 51 and described auxiliary nut 60 between the time, completed the assembling of Anti-dismantling tube connecting device 10.When operator's misoperation, while utilizing screwing tool counterrotating ratchet wheel screw parent part 70 with auxiliary nut 60, the ratchet core 80 of ratchet wheel screw parent part 70 rotates with respect to nut body 71, the active force of unloading screwing tool, make active force can not be passed to the second external thread section 52, the dismounting of pipe joint 50 and auxiliary nut 60 is become impossible, thoroughly avoid occurring the thing of mistake dismounting, avoid the coolant leakage of air conditioner, guaranteed user's life safety.
Above-mentioned Anti-dismantling tube connecting device 10 is applied on an air conditioner (not shown), wherein, this air conditioner comprises indoor set (not shown), outdoor unit (not shown) and above-mentioned Anti-dismantling tube connecting device 10, described the first connecting tube 2020 is connected on described outdoor unit, and described the second connecting tube 30 is connected on described indoor set.The second connecting tube 30 of the indoor set of air conditioner and the first connecting tube 20 of outdoor unit couple together by Anti-dismantling tube connecting device 10, and first connecting tube 20 with the second connecting tube 30, are non-dismountable connections, effectively prevent that the phenomenon of leading secondary refrigerant leakage because of the mistake dismounting from producing, air conditioner has better Safety performance.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. an Anti-dismantling tube connecting device, it comprises the first connecting tube, the second connecting tube and connect the Anti-detachable pipe connector assembly of described the first connecting tube and described the second connecting tube, described Anti-detachable pipe connector assembly comprises the pipe joint be connected with an end of described the second connecting tube and fixes auxiliary nut therebetween with described pipe joint is sealed with the end by described the first connecting tube, it is characterized in that: described pipe joint comprises first external thread section sealed with described auxiliary nut, the second external thread section and be locked on the ratchet wheel screw parent part on described the second external thread section, described ratchet wheel screw parent part comprises nut body, be formed at the ratchet ring of the inner ring of described nut body, coaxially be placed in described nut body and the ratchet core coordinated with described ratchet ring, the inner ring of described ratchet core is provided with the internal thread that the outside thread with described the second external thread section locks together, the outer ring of described ratchet core is provided with elastic-buckle structure, it is to make the first external thread section of described pipe joint lock the rotation in described auxiliary nut that described ratchet wheel screw parent part rotates along the first clockwise with respect to described the second external thread section, described elastic-buckle structure is snapped on the ratchet of described ratchet ring when described the first clockwise rotates in described ratchet wheel screw parent part, described elastic-buckle structure slips over the ratchet of described ratchet ring when the second clockwise contrary with described the first clockwise rotates in described ratchet wheel screw parent part.
2. Anti-dismantling tube connecting device as claimed in claim 1, it is characterized in that: the outer ring of described ratchet core offers short slot, described elastic-buckle structure comprise be parallel to described ratchet core axially and be fixed in groove bottom and the elastic element of elastic compression under described ratchet that bearing pin, an end activity on the inner side surface of described short slot is placed in the ratchet on described bearing pin and is arranged at described short slot; While rotating in described ratchet wheel screw parent part along described the first clockwise, the free end of described ratchet extends beyond the surface, outer ring of described ratchet core and is stuck on described ratchet; While rotating in described ratchet wheel screw parent part along described the second clockwise, described ratchet compresses described elastic element and rotates in the described short slot of retraction.
3. Anti-dismantling tube connecting device as claimed in claim 2, it is characterized in that: the end be placed on described bearing pin of described ratchet can be butted on the groove bottom of described short slot under the resilient force of described elastic element.
4. Anti-dismantling tube connecting device as claimed in claim 2, it is characterized in that: the outer ring of described ratchet core evenly offers some described short slots, and the quantity of described elastic-buckle structure is several, and each elastic-buckle structure is corresponding one by one with each short slot.
5. Anti-dismantling tube connecting device as claimed in claim 2, it is characterized in that: it is curved that described ratchet is arc bend, and it is outwardly-bent that described ratchet deviates from the direction of outer ring of described ratchet core.
6. Anti-dismantling tube connecting device as described as claim 1-5 any one, it is characterized in that: described ratchet wheel screw parent part also comprises two back-up rings that coaxially are placed in described nut body and are positioned at the relative both sides of described ratchet core, and the sandwiched described ratchet core of described two back-up ring is between the two.
7. Anti-dismantling tube connecting device as claimed in claim 6, it is characterized in that: the inner ring of described nut body is provided with two sections internal threads in the relative both sides of described ratchet ring, the outer ring of each back-up ring is provided with outside thread, the outside thread of described two back-up rings respectively with two sections of the inner ring of described nut body in internal thread lock together.
8. Anti-dismantling tube connecting device as described as claim 1-5 any one, it is characterized in that: the end of described the first connecting tube is provided with gradually wide joint of opening, and described joint is folded between the end and described auxiliary nut of described the first external thread section of described pipe joint.
9. Anti-dismantling tube connecting device as described as claim 1-5 any one, it is characterized in that: be formed with baffle ring between described the first external thread section and described the second external thread section, described ratchet wheel screw parent part backstop is on described baffle ring.
10. an air conditioner, it comprises indoor set and outdoor unit, it is characterized in that: described air conditioner also comprises Anti-dismantling tube connecting device as described as claim 1-9 any one, and described the first connecting tube is connected on described outdoor unit, and described the second connecting tube is connected on described indoor set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320363909.4U CN203375006U (en) | 2013-06-24 | 2013-06-24 | Air conditioner and anti-disassembly pipe connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320363909.4U CN203375006U (en) | 2013-06-24 | 2013-06-24 | Air conditioner and anti-disassembly pipe connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203375006U true CN203375006U (en) | 2014-01-01 |
Family
ID=49837535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320363909.4U Expired - Lifetime CN203375006U (en) | 2013-06-24 | 2013-06-24 | Air conditioner and anti-disassembly pipe connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203375006U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108374935A (en) * | 2018-03-09 | 2018-08-07 | 绍兴莱贝科技有限公司 | A kind of non-dismountable and anti-loosening tube joint assembly |
| CN110131474A (en) * | 2019-05-15 | 2019-08-16 | 格力电器（武汉）有限公司 | Prevent tearing open pipe, prevent tearing open subassembly and air conditioner |
| CN112719145A (en) * | 2020-11-26 | 2021-04-30 | 国网山东省电力公司曹县供电公司 | Portable power cable manual cutting device |
| CN114632889A (en) * | 2022-04-06 | 2022-06-17 | 南通大学 | Straightening and bending device for detecting bending strength of metal wire |
-
2013
- 2013-06-24 CN CN201320363909.4U patent/CN203375006U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108374935A (en) * | 2018-03-09 | 2018-08-07 | 绍兴莱贝科技有限公司 | A kind of non-dismountable and anti-loosening tube joint assembly |
| CN108374935B (en) * | 2018-03-09 | 2024-04-12 | 郑州众汇和制冷配件有限公司 | Non-detachable and anti-loosening pipe joint assembly |
| CN110131474A (en) * | 2019-05-15 | 2019-08-16 | 格力电器（武汉）有限公司 | Prevent tearing open pipe, prevent tearing open subassembly and air conditioner |
| CN112719145A (en) * | 2020-11-26 | 2021-04-30 | 国网山东省电力公司曹县供电公司 | Portable power cable manual cutting device |
| CN114632889A (en) * | 2022-04-06 | 2022-06-17 | 南通大学 | Straightening and bending device for detecting bending strength of metal wire |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140101 |
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| CX01 | Expiry of patent term |