CN204176214U - Based on the positioning means of air-conditioning duct - Google Patents
Based on the positioning means of air-conditioning duct Download PDFInfo
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- CN204176214U CN204176214U CN201420562899.1U CN201420562899U CN204176214U CN 204176214 U CN204176214 U CN 204176214U CN 201420562899 U CN201420562899 U CN 201420562899U CN 204176214 U CN204176214 U CN 204176214U
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- joint
- connecting head
- air
- pressure plate
- rotary pressure
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Abstract
The utility model discloses a kind of positioning means based on air-conditioning duct, comprise the first joint and the second joint, between the first joint and the second joint, the corresponding central through bore be provided with for being communicated with air-conditioning system pipeline, is provided with connecting thread in central through bore; First joint comprises the first joint body and is arranged on the connecting head of first joint body one end, second joint is provided with the connecting groove coordinated with connecting head, the external diameter of connecting head is greater than the external diameter of the first joint body, is provided with at least together for installing the seal groove of seal ring between connecting head and connecting groove.The utility model, when swivel joint is subject to the impact force of refrigerant, can make seal ring uniform force, makes sealability more reliable, and can realize being connected and fixed between the first joint and the second joint easily by limit structure, easy to operate.Adopt highi degree of accuracy quick assembling facing machine, substitute traditional aluminum thread with steel facing, reach higher requirement of strength.
Description
Technical field
The utility model relates to a kind of pipelines of automobile air conditioner positioning device, is specifically related to a kind of positioning means based on air-conditioning duct.
Background technique
Car air conditioner is generally primarily of compositions such as compressor, electric control clutch, condenser, vaporizer, expansion valve, drier receiver, pipeline, condenser fan, vacuum solenoid, idling device and control system.Car air conditioner divides pressure duct and low pressure line.High pressure side comprises compressor outlet side, pressure duct, condenser, drier receiver and liquid line; Low voltage side comprises vaporizer, integrator, return line, compressor input side and compressor oil pond.Car air conditioner, when processing, needs pipeline and joint to fix.Usually the thread in order to fix is aluminum thread, because insufficient strength easily causes sliding tooth in assembly process.Growing air conditioner industry requirement can not be met.
Model utility content
The utility model overcomes the deficiencies in the prior art, provides a kind of fixing-stable, connects quick and convenient, and sealability is better based on the positioning means of air-conditioning duct.
For solving above-mentioned technical problem, the utility model by the following technical solutions:
Based on a positioning means for air-conditioning duct, comprise the first joint and the second joint, between described first joint and the second joint, the corresponding central through bore be provided with for being communicated with air-conditioning system pipeline, is provided with connecting thread in described central through bore; Described first joint comprises the first joint body and is arranged on the connecting head of first joint body one end, described second joint is provided with the connecting groove coordinated with connecting head, the external diameter of described connecting head is greater than the external diameter of described first joint body, is provided with at least together for installing the seal groove of seal ring between described connecting head and connecting groove; Also comprise for preventing described connecting head along the rotary pressure plate of its axial direction movement, the center of described rotary pressure plate is provided with for be sleeved on described first joint body and internal diameter is less than the through hole of described connecting head external diameter, the notch of described connecting groove is provided with the counterbore for installing described rotary pressure plate, and between described counterbore inwall and described rotary pressure plate, annular is laid with at least two limit structures for preventing rotary pressure plate from moving along described second joint axial direction and rotating around described second joint axis.
Further technological scheme is that limit structure comprises and being arranged on described counterbore inwall and the block extended radially inwardly and be arranged on the extension block coordinated on described rotary pressure plate and with described block, be provided with the space that physical dimension is more than or equal to described extension block physical dimension between adjacent two blocks, between described block and extension block, be provided with positioning pin hole accordingly.
Further technological scheme is that the degree of depth sum of connecting groove and counterbore is greater than the length of described connecting head and the thickness sum of described rotary pressure plate.
Further technological scheme is the internal diameter that the internal diameter of the positioning pin hole be arranged on described extension block is greater than the positioning pin hole be arranged on described block.
Further technological scheme is the first joint is that stainless steel material is made.
Further technological scheme is the second joint is that stainless steel material is made.
Compared with prior art, the beneficial effects of the utility model are: the utility model is when swivel joint is subject to the impact force of refrigerant, seal ring uniform force can be made, make sealability more reliable, and being connected and fixed between the first joint and the second joint can be realized easily by limit structure, easy to operate.Adopt highi degree of accuracy quick assembling facing machine, substitute traditional aluminum thread with steel facing, reach higher requirement of strength.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further elaborated.
As shown in Figure 1, the utility model embodiment is based on the positioning means of air-conditioning duct, comprise the first joint 11 and the second joint 12, the corresponding central through bore be provided with for being communicated with air-conditioning system pipeline between first joint 11 and the second joint 12, as preferred embodiment, in central through bore, be provided with the screw thread for being threaded.First joint 11 comprises the first joint body 111 and is arranged on the connecting head 112 of first joint body 111 one end, second joint 12 is provided with the connecting groove 121 coordinated with connecting head 112, the external diameter of connecting head 112 is greater than the external diameter of the first joint body 111, be provided with at least together for installing the seal groove of seal ring 13 between connecting head 112 and connecting groove 121, the seal groove of the present embodiment is set to together, and be opened on the periphery wall of connecting head 112, seal ring 13 is installed, for preventing secondary refrigerant leakage in seal groove.As preferred embodiment, in the present embodiment, the first joint and the second joint are all that stainless steel material is made, and adopt highi degree of accuracy quick assembling facing machine, substitute traditional aluminum thread, reach higher requirement of strength with steel facing.
The present embodiment also comprises for preventing connecting head 112 along the rotary pressure plate 14 of its axial direction movement based on the positioning means of air-conditioning duct, the center of rotary pressure plate 14 is provided with for be sleeved on the first joint body 111 and internal diameter is less than the through hole of connecting head 112 external diameter, the notch of connecting groove 121 is provided with the counterbore 15 for installing rotary pressure plate 14, and between counterbore 15 inwall and rotary pressure plate 14, annular is laid with at least two limit structures for preventing rotary pressure plate 14 from moving along the second joint 12 axial direction and rotating around the second joint 12 axis.
The positioning means based on air-conditioning duct of the present embodiment, by arranging the connecting head 112 that external diameter is greater than the first joint body 111 on the first joint 11, and arrange for being pressed in the rotary pressure plate 14 on connecting head 112, under the effect of limit structure, rotary pressure plate 14 is fixed by axis and circumference is fixedly mounted in counterbore 15, so, just connecting head 112 can be axially installed in the second joint 12, and finally realize the connection of the first joint 11 and the second joint 12; By annular is uniform, multiple limit structure is set, when swivel joint 14 is subject to the impact force of refrigerant, seal ring 13 uniform force can be made, make sealability more reliable, and being connected and fixed between the first joint and the second joint can be realized easily by limit structure, easy to operate.
Limit structure can adopt various structures form to realize, and as can be directly adopted screw to be fixedly mounted on the second joint 12 by rotary pressure plate 14, also can realize goal of the invention.
The limit structure of the present embodiment comprises and being arranged on counterbore inwall and the block extended radially inwardly and be arranged on the extension block coordinated on rotary pressure plate 14 and with block, the space that physical dimension is more than or equal to described extension block physical dimension is provided with between adjacent two blocks, positioning pin hole 19 and positioning pin hole 20 is provided with accordingly between block and extension block, by in the space arranging physical dimension and be more than or equal to extension block physical dimension, in installation process, extension block can be mounted in counterbore 15 through space, can not interfere.
By being set to limit structure to comprise the block be arranged on counterbore 15 inwall and the form being arranged on the extension block on rotary pressure plate 14, by the axial limiting effect between block and extension block, can axial restraint rotary pressure plate 14, by corresponding between block and extension block, positioning pin hole is set, by the effect of locating stud, circumference can fix rotary pressure plate 14, prevent rotary pressure plate 14 from coming off from the second joint 12.In assembly process, first connecting head 112 is placed in connecting groove 121, then being sleeved on by rotary pressure plate 14 on first joint body 112 and rotating makes block and extension block coordinate, finally locating stud is installed, easy to operate, the reliability connected is high, and makes simple and convenient, effectively can save fabricating cost.
The connecting groove 121 of the present embodiment is greater than the length of connecting head 112 and the thickness sum of rotary pressure plate 14 with the degree of depth sum of counterbore 15, ensure that rotary pressure plate 14 can assemble smoothly, and after assembling completes, rotary pressure plate 14 is pressed on connecting head 112.
The internal diameter being arranged on the positioning pin hole 20 on extension block is greater than the internal diameter 19 of the positioning pin hole be arranged on block, adopt the positioning pin hole of this structure, the installation requirement of resilient pin can be met, the circumference between rotary pressure plate 14 and the second joint 12 is located more firm.
Spoken of in this manual " embodiment ", " another embodiment ", " embodiment ", etc., refer to the specific features, structure or the feature that describe in conjunction with this embodiment and be included at least one embodiment of the application's generality description.Multiple place occurs that statement of the same race is not necessarily refer to same embodiment in the description.Furthermore, when describing specific features, structure or a feature in conjunction with any one embodiment, what advocate is also drop in scope of the present utility model to realize this feature, structure or feature in conjunction with other embodiments.
Although the multiple explanatory embodiment here with reference to model utility is described the utility model, but, should be appreciated that, those skilled in the art can design a lot of other amendment and mode of execution, these amendments and mode of execution will drop within spirit disclosed in the present application and spirit.More particularly, in the scope of, accompanying drawing open in the application and claim, multiple modification and improvement can be carried out to the constituent elements of subject combination layout and/or layout.Except the modification of carrying out constituent elements and/or layout is with except improvement, to those skilled in the art, other purposes also will be obvious.
Claims (6)
1. based on a positioning means for air-conditioning duct, comprise the first joint and the second joint, between described first joint and the second joint, the corresponding central through bore be provided with for being communicated with air-conditioning system pipeline, is characterized in that: be provided with connecting thread in described central through bore; Described first joint comprises the first joint body and is arranged on the connecting head of first joint body one end, described second joint is provided with the connecting groove coordinated with connecting head, the external diameter of described connecting head is greater than the external diameter of described first joint body, is provided with at least together for installing the seal groove of seal ring between described connecting head and connecting groove; Also comprise for preventing described connecting head along the rotary pressure plate of its axial direction movement, the center of described rotary pressure plate is provided with for be sleeved on described first joint body and internal diameter is less than the through hole of described connecting head external diameter, the notch of described connecting groove is provided with the counterbore for installing described rotary pressure plate, and between described counterbore inwall and described rotary pressure plate, annular is laid with at least two limit structures for preventing rotary pressure plate from moving along described second joint axial direction and rotating around described second joint axis.
2. the positioning means based on air-conditioning duct according to claim 1, it is characterized in that described limit structure comprises to be arranged on described counterbore inwall and the block extended radially inwardly and be arranged on the extension block coordinated on described rotary pressure plate and with described block, be provided with the space that physical dimension is more than or equal to described extension block physical dimension between adjacent two blocks, between described block and extension block, be provided with positioning pin hole accordingly.
3. the positioning means based on air-conditioning duct according to claim 1, is characterized in that the degree of depth sum of described connecting groove and counterbore is greater than the length of described connecting head and the thickness sum of described rotary pressure plate.
4. the positioning means based on air-conditioning duct according to claim 2, is characterized in that the internal diameter of the described positioning pin hole be arranged on described extension block is greater than the internal diameter of the positioning pin hole be arranged on described block.
5. the positioning means based on air-conditioning duct according to claim 1, is characterized in that the first described joint is that stainless steel material is made.
6. the positioning means based on air-conditioning duct according to claim 1, is characterized in that the second described joint is that stainless steel material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420562899.1U CN204176214U (en) | 2014-09-28 | 2014-09-28 | Based on the positioning means of air-conditioning duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420562899.1U CN204176214U (en) | 2014-09-28 | 2014-09-28 | Based on the positioning means of air-conditioning duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204176214U true CN204176214U (en) | 2015-02-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420562899.1U Active CN204176214U (en) | 2014-09-28 | 2014-09-28 | Based on the positioning means of air-conditioning duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204176214U (en) |
-
2014
- 2014-09-28 CN CN201420562899.1U patent/CN204176214U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |