CN203082399U - Pipeline connecting component - Google Patents
Pipeline connecting component Download PDFInfo
- Publication number
- CN203082399U CN203082399U CN 201320079707 CN201320079707U CN203082399U CN 203082399 U CN203082399 U CN 203082399U CN 201320079707 CN201320079707 CN 201320079707 CN 201320079707 U CN201320079707 U CN 201320079707U CN 203082399 U CN203082399 U CN 203082399U
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- Prior art keywords
- nut
- union nut
- application
- tooth
- force
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Abstract
The utility model provides a pipeline connecting component which comprises a connecting pipe nut, an auxiliary nut and a pipe joint, wherein the connecting pipe nut comprises a first part and a second part, the first end of the first part is provided with an internal thread section; the second part is positioned on the second end of the first part; the first part is provided with a cylindrical outer surface, and the radial size of the first part is greater than the radial size of the second part; a driven gear is formed on the end surface of the second end of the first part, and a first connected pipefitting is installed on the connecting pipe nut; the auxiliary nut is provided with a force applying surface and is sleeved on the second part; the end surface of the auxiliary nut, which is toward the connecting pipe nut, is provided with a force applying gear; the force applying gear and the driven gear are matched and are used for driving the connecting pipe nut to rotate; and a second connected pipefitting is installed on the pipe joint; and the force applying gear and the driven gear are matched. The pipeline connecting component provided by the utility model can connect removal-proof connecting pipes, and improves refrigerant leakage issue caused by removed pipelines after being connected.
Description
Technical field
The utility model relates to air-conditioning technical field, in particular to a kind of pipeline connection part.
Background technique
The detachable air conditioner indoor side of present common working medium all uses the mode of pipe joint and union nut to be connected evaporator joint pipe and outdoor unit connecting tube.The outer surface of existing union nut is a prismatic surface, has application of force tangent plane, pipe joint generally is the integral type pipe joint, mainly form by thread section and prismatic surface section two-part, when the prismatic surface section is applied clockwise moment, thread section rotates with the prismatic surface section, can closely cooperate with union nut; But, when when the prismatic surface section applies anticlockwise moment, drive thread section also simultaneously and rotate together, therefore can unclamp, thereby have dismountable possibility with cooperating of union nut.
Require to use the air conditioner chamber inboard of combustible refrigerant not allow to reuse detachable connector in the EN60335-2-40 standard, this is because being connected between pipe joint and the union nut gets loose, and can cause coolant leakage and then cause the generation of security incident.
In order to solve the non-compliant problem of demountable tube joint, available technology adopting adopt the mode of welding to connect between evaporator joint pipe and the outdoor unit connecting tube.Though welding connecting mode meets standard, be welded to connect and make the attended operation complexity of vaporizer and connecting tube, and be welded to connect and bring certain trouble can for follow-up maintenance.
The model utility content
The utility model aims to provide a kind of pipeline connection part of anti-dismounting.
To achieve these goals, the utility model provides a kind of pipeline connection part, comprise: union nut, union nut comprises first portion and second portion, first end of first portion has internal thread segment, and second portion is positioned at second end of first portion, and first portion has cylindrical outer surface and its radial dimension radial dimension greater than second portion, form driven tooth on the end face of second end of first portion, first connecting tube is installed on the union nut; Auxiliary nut, auxiliary nut have application of force surface and are set on the second portion, and auxiliary nut is provided with application of force tooth towards the end face of union nut, and application of force tooth cooperates and is used to drive union nut and rotates with driven tooth; Pipe joint, comprise application of force section and external thread section, external thread section matches with the internal thread segment of union nut, second connecting tube is installed on the pipe joint, pipe joint has the axial hole that first connecting tube and second connecting tube are communicated with, wherein, being equipped with to making application of force tooth promote driven tooth along tightening direction of application of force tooth and driven tooth rotated relative to pipe joint to drive union nut, and the edge direction application of force tooth that gets loose is crossed on driven tooth and kept the relative pipe joint of union nut motionless.
Further, second portion is provided with and is used to the limited part that prevents that auxiliary nut from throwing off from second portion.
Further, limited part comprises: limited ring groove is arranged on the second portion of union nut; Sealing shield ring is removably disposed in the limited ring groove, and Sealing shield ring has the breach that is used to dismantle; Spring, its first end is replaced on the end face of auxiliary nut, and second end of spring is subject to Sealing shield ring.
Further, limited part comprises: stop lug is arranged on the second portion of union nut; Spring, its first end is replaced on the end face of auxiliary nut, and second end of spring is subject to stop lug.
Further, driven tooth is a plurality of first chisel teeths that along the circumferential direction extend.
Further, application of force tooth is and driven tooth quantity second chisel teeth accordingly.
Use the technical solution of the utility model, the pipeline connection part, comprise: union nut, union nut comprises first portion and second portion, first end of first portion has internal thread segment, and second portion is positioned at second end of first portion, and first portion has cylindrical outer surface and its radial dimension radial dimension greater than second portion, form driven tooth on the end face of second end of first portion, first connecting tube is installed on the union nut; Auxiliary nut, auxiliary nut have application of force surface and are set on the second portion, and auxiliary nut is provided with application of force tooth towards the end face of union nut, and application of force tooth cooperates and is used to drive union nut and rotates with driven tooth; Pipe joint, comprise application of force section and external thread section, external thread section matches with the internal thread segment of union nut, second connecting tube is installed on the pipe joint, pipe joint has the axial hole that first connecting tube and second connecting tube are communicated with, wherein, being equipped with to making application of force tooth promote driven tooth along tightening direction of application of force tooth and driven tooth rotated relative to pipe joint to drive union nut, and the edge direction application of force tooth that gets loose is crossed on driven tooth and kept the relative pipe joint of union nut motionless.
When the pipeline connection part is installed, earlier first connecting tube (being the outdoor unit connecting tube) is located in the union nut, second connecting tube (being evaporator joint pipe) welds together with pipe joint.During connection, utilize two spanners to assemble.Particularly, use an application of force section that spanner is clamped pipe joint, when another spanner is used for applying running torque to auxiliary nut, the application of force tooth of auxiliary nut cooperates with the driven tooth of union nut, auxiliary nut drives union nut and rotates synchronously, cooperate by the internal thread segment of pipe joint external thread section with the first portion of union nut, union nut is installed on the pipe joint, the axial hole by pipe joint is communicated with between first connecting tube and second connecting tube thereby finished.
But when when auxiliary nut applies anticlockwise moment, auxiliary nut can't apply moment of torsion by the butt tube nut, guaranteed closely cooperating between pipe joint body and the union nut, simultaneously, because union nut has cylindrical outer surface, therefore also can't clamping it pipe joint is directly dismantled, like this, really play the effect of anti-dismounting.Pipeline connection part of the present utility model can realize really that the adapter of anti-dismounting connects, and improves the secondary refrigerant leakage problem that causes after being disassembled after existing pipeline connects, and it is tightr that pipeline is connected; And reduce I﹠M cost after sale, enlarge the using scope of combustible refrigerant.
Description of drawings
The Figure of description that constitutes the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used to explain the utility model, do not constitute improper qualification of the present utility model.In the accompanying drawings:
Fig. 1 shows first embodiment's of pipeline connection part of the present utility model decomposition texture schematic representation;
Fig. 2 shows the package assembly schematic representation of the pipeline connection part of Fig. 1;
Fig. 3 shows the structural representation of union nut of the pipeline connection part of Fig. 1;
Fig. 4 shows the structural representation of auxiliary nut of the pipeline connection part of Fig. 1;
Fig. 5 shows second embodiment's of pipeline connection part of the present utility model decomposition texture schematic representation;
Fig. 6 shows the package assembly schematic representation of the pipeline connection part of Fig. 6;
Above-mentioned accompanying drawing comprises the following drawings mark:
10, union nut; 11, first portion; 12, second portion; 111, internal thread segment; 112, driven tooth; 20, auxiliary nut; 21, application of force tooth; 30, pipe joint; 31, application of force section; 32, external thread section; 41, limited ring groove; 42, Sealing shield ring; 43, spring.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
The utility model provides first embodiment of pipeline connection part, specifically referring to Fig. 1 to Fig. 4, the pipeline connection part of present embodiment comprises union nut 10, auxiliary nut 20 and pipe joint 30, union nut 10 comprises first portion 11 and second portion 12, first end of first portion 11 has internal thread segment 111, second portion 12 is positioned at second end of first portion 11, first portion 11 has cylindrical outer surface and its radial dimension radial dimension greater than second portion 12, forming driven tooth 112, the first connecting tubes on the end face of second end of first portion 11 is installed on the union nut 10; Auxiliary nut 20 has application of force surface and is set on the second portion 12, and auxiliary nut 20 is provided with application of force tooth 21 towards the end face of union nut 10, and application of force tooth 21 cooperates and is used to drive union nut 10 and rotates with driven tooth 112; Pipe joint 30 comprises application of force section 31 and external thread section 32, external thread section 32 matches with the internal thread segment 111 of union nut 10, second connecting tube is installed on the pipe joint 30, pipe joint 30 has the axial hole that first connecting tube and second connecting tube are communicated with, wherein, being equipped with to making application of force tooth 21 promote driven tooth 112 along tightening direction of application of force tooth 21 and driven tooth 112 rotated relative to pipe joint 30 to drive union nut 10, and the edge direction application of force tooth 21 that gets loose is crossed on driven tooth 112 and kept union nut 10 relative pipe joints 30 motionless.
When the pipeline connection part is installed, earlier first connecting tube (being the outdoor unit connecting tube) is located in the union nut, second connecting tube (being evaporator joint pipe) welds together with pipe joint.During connection, utilize two spanners to assemble.Particularly, use an application of force section that spanner is clamped pipe joint, when another spanner is used for applying running torque to auxiliary nut, the application of force tooth of auxiliary nut cooperates with the driven tooth of union nut, auxiliary nut drives union nut and rotates synchronously, cooperate by the internal thread segment of pipe joint external thread section with the first portion of union nut, union nut is installed on the pipe joint, the axial hole by pipe joint is communicated with between first connecting tube and second connecting tube thereby finished.
But when when auxiliary nut applies anticlockwise moment, auxiliary nut can't apply moment of torsion by the butt tube nut, guaranteed closely cooperating between pipe joint body and the union nut, simultaneously, because union nut has cylindrical outer surface, therefore also can't clamping it pipe joint is directly dismantled, like this, really play the effect of anti-dismounting.Pipeline connection part of the present utility model can realize really that the adapter of anti-dismounting connects, and improves the secondary refrigerant leakage problem that causes after being disassembled after existing pipeline connects, and it is tightr that pipeline is connected; And reduce I﹠M cost after sale, enlarge the using scope of combustible refrigerant.
The limited part of present embodiment comprises limited ring groove 41, Sealing shield ring 42 and spring 43, limited ring groove 41 is arranged on the second portion 12 of union nut 10, Sealing shield ring 42 is removably disposed in the limited ring groove 41, Sealing shield ring 42 has the breach that is used to dismantle, first end of spring 43 is replaced on the end face of auxiliary nut 20, and second end of spring 43 is subject to Sealing shield ring 42.The elastic force that spring 43 produces can make the driven tooth on the second portion of union nut and application of force tooth 21 better fit of auxiliary nut 20, simultaneously, can also prevent that auxiliary nut 20 from coming off and produce abnormal sound when loosening, auxiliary nut 20 can be under the effect of spring idle running and can not break away from union nut.The endoporus of auxiliary nut is preferably unthreaded hole.
The utility model also provides second embodiment of Fig. 5 and pipeline connection part illustrated in fig. 6, the pipeline connection part of present embodiment and first embodiment's structural similarity, both differences only are, among second embodiment, the type of spring 43 and first embodiment's spring is distinguished to some extent, other structures are all identical, and the technique effect of present embodiment repeats no more herein.
The utility model also provides the 3rd embodiment of not shown pipeline connection part, the pipeline connection part of present embodiment and first embodiment's structural similarity, both differences only are, among the 3rd embodiment, limited part utilizes stop lug to replace limited ring groove and Sealing shield ring among the embodiment two.Particularly, in installation process, after auxiliary nut and spring 43 be in place again punching press form above-mentioned stop lug and get final product.First end of spring 43 is replaced on the end face of auxiliary nut 20, and second end of spring 43 is subject to stop lug.The principle of the limited part among the 3rd embodiment is identical with limited part among first embodiment, does not repeat them here.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (6)
1. a pipeline connection part is characterized in that, comprising:
Union nut (10), described union nut (10) comprises first portion (11) and second portion (12), first end of described first portion (11) has internal thread segment (111), described second portion (12) is positioned at second end of described first portion (11), described first portion (11) has cylindrical outer surface and its radial dimension radial dimension greater than described second portion (12), form driven tooth (112) on the end face of second end of described first portion (11), first connecting tube is installed on the described union nut (10);
Auxiliary nut (20), described auxiliary nut (20) has application of force surface and is set on the described second portion (12), described auxiliary nut (20) is provided with application of force tooth (21) towards the end face of described union nut (10), and described application of force tooth (21) cooperates and is used to drive described union nut (10) with described driven tooth (112) and rotates;
Pipe joint (30), comprise application of force section (31) and external thread section (32), described external thread section (32) matches with the internal thread segment (111) of described union nut (10), second connecting tube is installed on the described pipe joint (30), described pipe joint (30) has the axial hole that described first connecting tube and second connecting tube are communicated with
Wherein, described application of force tooth (21) rotates relative to described pipe joint (30) to drive described union nut (10) with being equipped with to making described application of force tooth (21) promote described driven tooth (112) along tightening direction of described driven tooth (112), and the described application of force tooth of direction (21) is crossed on described driven tooth (112) and kept the described relatively pipe joint of described union nut (10) (30) motionless along getting loose.
2. pipeline connection part according to claim 1 is characterized in that, described second portion (12) is provided with and is used to prevent the limited part of described auxiliary nut (20) from described second portion (12) disengagement.
3. pipeline connection part according to claim 2 is characterized in that, described limited part comprises:
Limited ring groove (41) is arranged on the second portion (12) of described union nut (10);
Sealing shield ring (42) is removably disposed in the described limited ring groove (41), and described Sealing shield ring (42) has the breach that is used to dismantle;
Spring (43), its first end is replaced on the end face of described auxiliary nut (20), and second end of described spring (43) is subject to described Sealing shield ring (42).
4. pipeline connection part according to claim 2 is characterized in that, described limited part comprises:
Stop lug is arranged on the second portion (12) of described union nut (10);
Spring (43), its first end is replaced on the end face of described auxiliary nut (20), and second end of described spring (43) is subject to described stop lug.
5. pipeline connection part according to claim 1 is characterized in that, described driven tooth (112) is a plurality of first chisel teeths that along the circumferential direction extend.
6. pipeline connection part according to claim 5 is characterized in that, described application of force tooth (21) is and described driven tooth (112) quantity second chisel teeth accordingly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320079707 CN203082399U (en) | 2013-02-20 | 2013-02-20 | Pipeline connecting component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320079707 CN203082399U (en) | 2013-02-20 | 2013-02-20 | Pipeline connecting component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203082399U true CN203082399U (en) | 2013-07-24 |
Family
ID=48828237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320079707 Expired - Lifetime CN203082399U (en) | 2013-02-20 | 2013-02-20 | Pipeline connecting component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203082399U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020235A (en) * | 2015-07-10 | 2015-11-04 | 上海三菱电机·上菱空调机电器有限公司 | Disassembly-preventing connection pipe nut, connection pipe nut assembly, air conditioner and method for preventing disassembly for connection pipe nut |
| CN105508683A (en) * | 2015-12-28 | 2016-04-20 | 苏州林信源自动化科技有限公司 | Valve joint |
| CN105619598A (en) * | 2014-11-05 | 2016-06-01 | 天津银龙预应力材料股份有限公司 | Double thread connecting piece |
| CN113446444A (en) * | 2020-03-24 | 2021-09-28 | 浙江三花智能控制股份有限公司 | Pipeline connecting device |
| CN114962814A (en) * | 2022-05-23 | 2022-08-30 | 青岛众凯食品有限公司 | Concentration regulator for preparing food additive and regulating method |
-
2013
- 2013-02-20 CN CN 201320079707 patent/CN203082399U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105619598A (en) * | 2014-11-05 | 2016-06-01 | 天津银龙预应力材料股份有限公司 | Double thread connecting piece |
| CN105020235A (en) * | 2015-07-10 | 2015-11-04 | 上海三菱电机·上菱空调机电器有限公司 | Disassembly-preventing connection pipe nut, connection pipe nut assembly, air conditioner and method for preventing disassembly for connection pipe nut |
| CN105508683A (en) * | 2015-12-28 | 2016-04-20 | 苏州林信源自动化科技有限公司 | Valve joint |
| CN113446444A (en) * | 2020-03-24 | 2021-09-28 | 浙江三花智能控制股份有限公司 | Pipeline connecting device |
| CN114962814A (en) * | 2022-05-23 | 2022-08-30 | 青岛众凯食品有限公司 | Concentration regulator for preparing food additive and regulating method |
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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: 20130724 |
|
| CX01 | Expiry of patent term |