CN203230994U - Pipeline rotating joint for air conditioning system - Google Patents
Pipeline rotating joint for air conditioning system Download PDFInfo
- Publication number
- CN203230994U CN203230994U CN2013202453952U CN201320245395U CN203230994U CN 203230994 U CN203230994 U CN 203230994U CN 2013202453952 U CN2013202453952 U CN 2013202453952U CN 201320245395 U CN201320245395 U CN 201320245395U CN 203230994 U CN203230994 U CN 203230994U
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- China
- Prior art keywords
- pressure plate
- joint
- conditioning system
- rotary pressure
- connecting head
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Abstract
The utility model discloses a pipeline rotating joint for an air conditioning system. The pipeline rotating joint comprises a male joint, a female joint and a rotating pressure plate, wherein a central through hole for being communicated with an air conditioning system pipeline is formed correspondingly between the male joint and the female joint; the male joint comprises a male joint body and a connector arranged at one end of the male joint body; the female joint is provided with a connecting groove matched with the connector; the outer diameter of the connector is larger than that of the male joint body; at least one sealing groove for mounting a sealing ring is formed between the connector and the connecting groove; the rotating pressure plate is used for preventing the connector from moving along the axial direction of the rotating pressure plate; the center of the rotating pressure plate is provided with a through hole which is used for sleeving the rotating pressure plate on the male joint body and of which the inner diameter is smaller than the outer diameter of the connector; the notch of the connecting groove is provided with a counter bore for mounting the rotating pressure plate; and at least two limiting structures for preventing the rotating pressure plate from moving along the axial direction of the female joint and rotating around the axis of the female joint are annularly and uniformly distributed between the inner wall of the counter bore and the rotating pressure plate.
Description
Technical field
The utility model relates to a kind of pipeline swivel joint, concrete is a kind of air-conditioning system pipeline swivel joint that can quick mounting.
Background technique
As shown in Figure 1, be the structural representation of the one-sided stationary platen joint of existing a kind of air-conditioning system pipeline.This one-sided stationary platen joint comprises one-sided stationary platen female joint 1, one-sided stationary platen tool joint pin 2 and be arranged on one-sided stationary platen female joint 1 and one-sided stationary platen tool joint pin 2 between seal ring 3, also be provided with between one-sided stationary platen female joint 1 and the one-sided stationary platen tool joint pin 2 for the bolt hole 4 that clamping bolt is installed, though this one-sided stationary platen joint can satisfy the requirement that the air-conditioning system pipeline connects to a certain extent, but when this one-sided stationary platen joint is received the refrigerant compression shock, make seal ring 3 big near the decrement of fixed side easily, and it is little away from the fixed side decrement, the little side of decrement has the risk of leakage, causes sealability deficiency and secondary refrigerant leakage.
As shown in Figure 2, be the structural representation that existing a kind of air-conditioning system pipeline is used quick union, this quick union comprises female joint 5, tool joint pin 6 and is used for the jump ring 7 of clamping female joint 5 and tool joint pin 6, is provided with seal ring 8 between female joint 5 and the tool joint pin 6.Though what this quick union can satisfy air conditioning pipe system to a certain extent connects requirement soon, that the accuracy of manufacturing of this rapid pipe joint requires is high, fabricating cost is high, and only depends on jump ring 7 spacing fixing, can not bear bigger pulling force, and the risk that comes off is arranged.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of air-conditioning system pipeline swivel joint, and this air-conditioning system pipeline swivel joint not only can satisfy the connection request of air-conditioning system pipeline, and connects quick and conveniently, and sealability is better.
For achieving the above object, the utility model provides following technological scheme:
A kind of air-conditioning system pipeline swivel joint comprises tool joint pin and female joint, corresponding being provided with for the central through bore that is communicated with the air-conditioning system pipeline between described tool joint pin and the female joint;
Described tool joint pin comprises tool joint pin body and the connecting head that is arranged on tool joint pin body one end, and described female joint is provided with the connecting groove that cooperates with connecting head, and the external diameter of described connecting head is greater than the external diameter of described tool joint pin body;
Also comprise be used to the rotary pressure plate that prevents that described connecting head from moving along its axial direction, the center of described rotary pressure plate be provided with for it is sleeved on the described tool joint pin body and internal diameter less than the through hole of described connecting head external diameter, the notch of described connecting groove is provided with for the counterbore that described rotary pressure plate is installed, and annular is laid with at least two limit structures that are used for preventing that rotary pressure plate from moving, rotating around described female joint axis along described female joint axial direction between described counterbore inwall and the described rotary pressure plate.
Further, described limit structure comprises and is arranged on the described counterbore inwall and the block that extends radially inwardly and be arranged on the described rotary pressure plate and the extension block that cooperates with described block, be provided with physical dimension more than or equal to the space of described extension block physical dimension between adjacent two blocks, be provided with positioning pin hole between described block and the extension block accordingly.
Further, 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.
Further, be arranged on the internal diameter of the positioning pin hole on the described extension block greater than the internal diameter that is arranged on the positioning pin hole on the described block.
The beneficial effects of the utility model are:
Air-conditioning system pipeline swivel joint of the present utility model, by external diameter is set greater than the connecting head of tool joint pin body in tool joint pin, and be provided for being pressed in rotary pressure plate on the connecting head, under the effect of limit structure, rotary pressure plate is fixed and circumferentially is fixedly mounted in the counterbore by axis, so, just connecting head can be axially installed in the female joint, and finally realize being connected of tool joint pin and female joint; By annular is uniform a plurality of limit structures are set, when swivel joint is subjected to the impact force of refrigerant, can make seal ring stressed evenly, make sealability more reliable, and can realize being connected and fixed between tool joint pin and the female joint easily by limit structure, easy to operate.
Be set to comprise the block that is arranged on the counterbore inwall and the form that is arranged on the extension block on the rotary pressure plate by limit structure, by the axial limiting effect between block and the extension block, can the axial restraint rotary pressure plate, the positioning pin hole that arranges by correspondence between block and extension block, effect by locating stud, can be circumferentially fixing rotary pressure plate, prevent that rotary pressure plate from coming off from female joint; In assembly process, at first connecting head is placed in the connecting groove, then rotary pressure plate is sleeved on the tool joint pin body and rotation cooperates block and extension block, locating stud is installed is at last got final product, easy to operate, the reliability height of connection, and make simple and conveniently, can effectively save fabricating cost.
Description of drawings
In order to make the purpose of this utility model, technological scheme and beneficial effect clearer, the utility model provides following accompanying drawing to describe:
Fig. 1 is the structural representation of the one-sided stationary platen joint of existing a kind of air-conditioning system pipeline;
Fig. 2 is the structural representation that existing a kind of air-conditioning system pipeline is used quick union;
Fig. 3 is the utility model air-conditioning system pipeline swivel joint embodiment's structural representation;
Fig. 4 is the stereogram of present embodiment air-conditioning system pipeline swivel joint.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
As shown in Figure 3, be the utility model air-conditioning system pipeline swivel joint embodiment's structural representation.The air-conditioning system pipeline swivel joint of present embodiment comprises tool joint pin 11 and female joint 12, corresponding being provided with for the central through bore that is communicated with the air-conditioning system pipeline between tool joint pin 11 and the female joint 12
The air-conditioning system pipeline swivel joint of present embodiment also comprises be used to the rotary pressure plate 14 that prevents that connecting head 11b from moving along its axial direction, the center of rotary pressure plate 14 be provided with for it is sleeved on tool joint pin body 11a goes up and internal diameter less than the through hole of connecting head 11b external diameter, the notch of connecting groove 12a is provided with for the counterbore 15 that rotary pressure plate 14 is installed, and annular is laid with at least two limit structures that are used for preventing that rotary pressure plate 14 from moving and rotating around female joint 12 axis along female joint 12 axial directions between counterbore 15 inwalls and the rotary pressure plate 14.
The air-conditioning system pipeline swivel joint of present embodiment, by external diameter is set greater than the connecting head 11b of tool joint pin body 11a in tool joint pin 11, and be provided for being pressed in rotary pressure plate 14 on the connecting head 11b, under the effect of limit structure, rotary pressure plate 14 is fixed and circumferentially is fixedly mounted in the counterbore 15 by axis, so, just connecting head 11b can be axially installed in the female joint 12, and finally realize being connected of tool joint pin 11 and female joint 12; By annular is uniform a plurality of limit structures are set, when swivel joint 14 is subjected to the impact force of refrigerant, can make that seal ring 13 is stressed even, make sealability more reliable, and can realize being connected and fixed between tool joint pin and the female joint easily by limit structure, easy to operate.
Limit structure can adopt multiple structural type to realize, as can directly adopting screw rotary pressure plate 14 is fixedly mounted in the female joint 12, also can realize goal of the invention.
The limit structure of present embodiment comprises the block 16 that is arranged on counterbore 15 inwalls and extends radially inwardly and is arranged on the rotary pressure plate 14 and the extension block 17 that cooperates with block 16, be provided with physical dimension more than or equal to the space 18 of described extension block 17 physical dimensions between adjacent two blocks 16, be provided with positioning pin hole 19 and positioning pin hole 20 between block 16 and the extension block 17 accordingly, by the space of physical dimension more than or equal to extension block 17 physical dimensions is being set, in installation process, extension block 17 can pass space 18 and be mounted in the counterbore 15, can not interfere.
Be set to comprise the block 16 that is arranged on counterbore 15 inwalls and the form that is arranged on the extension block 17 on the rotary pressure plate 14 by limit structure, by the axial limiting effect between block 16 and the extension block 17, can axial restraint rotary pressure plate 14, the positioning pin hole that arranges by correspondence between block 16 and extension block 17, effect by locating stud, can be circumferentially fixing rotary pressure plate 14, prevent that rotary pressure plate 14 from coming off from female joint 12.In assembly process, at first connecting head 11b is placed in the connecting groove 12a, then rotary pressure plate 14 being sleeved on the tool joint pin body 11b and rotating cooperates block 16 and extension block 17, locating stud is installed at last to get final product, easy to operate, the reliability height that connects, and make simple and conveniently, can effectively save fabricating cost.
Further, the connecting groove 12a of present embodiment and the degree of depth sum of counterbore 15 guarantee that rotary pressure plate 14 can assemble smoothly, and after assembling was finished, rotary pressure plate 14 were pressed on the connecting head 11b greater than the length of connecting head 11b and the thickness sum of rotary pressure plate 14.
Further, be arranged on the internal diameter of the positioning pin hole 20 on the extension block 17 greater than the internal diameter 19 that is arranged on the positioning pin hole on the block 16, adopt the positioning pin hole of this structure, can satisfy the installation requirement of resilient pin, make the circumferential location between rotary pressure plate 14 and the female joint 12 more firm.
Explanation is at last, above preferred embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is described in detail by above preferred embodiment, but those skilled in the art are to be understood that, can make various changes to it in the form and details, and not depart from the utility model claims institute restricted portion.
Claims (4)
1. an air-conditioning system pipeline swivel joint comprises tool joint pin and female joint, and corresponding being provided with for the central through bore that is communicated with the air-conditioning system pipeline between described tool joint pin and the female joint is characterized in that:
Described tool joint pin comprises the tool joint pin body and is arranged on the connecting head of tool joint pin body one end, described female joint is provided with the connecting groove that cooperates with connecting head, the external diameter of described connecting head is provided with the seal groove that is used for installing seal ring at least together greater than the external diameter of described tool joint pin body between described connecting head and the connecting groove;
Also comprise be used to the rotary pressure plate that prevents that described connecting head from moving along its axial direction, the center of described rotary pressure plate be provided with for it is sleeved on the described tool joint pin body and internal diameter less than the through hole of described connecting head external diameter, the notch of described connecting groove is provided with for the counterbore that described rotary pressure plate is installed, and annular is laid with at least two limit structures that are used for preventing that rotary pressure plate from moving and rotating around described female joint axis along described female joint axial direction between described counterbore inwall and the described rotary pressure plate.
2. air-conditioning system pipeline swivel joint according to claim 1, it is characterized in that: described limit structure comprises and is arranged on the described counterbore inwall and the block that extends radially inwardly and be arranged on the described rotary pressure plate and the extension block that cooperates with described block, be provided with physical dimension more than or equal to the space of described extension block physical dimension between adjacent two blocks, be provided with positioning pin hole between described block and the extension block accordingly.
3. air-conditioning system pipeline swivel joint according to claim 2, it 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. air-conditioning system pipeline swivel joint according to claim 2 is characterized in that: be arranged on the internal diameter of the positioning pin hole on the described extension block greater than the internal diameter that is arranged on the positioning pin hole on the described block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202453952U CN203230994U (en) | 2013-05-08 | 2013-05-08 | Pipeline rotating joint for air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202453952U CN203230994U (en) | 2013-05-08 | 2013-05-08 | Pipeline rotating joint for air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203230994U true CN203230994U (en) | 2013-10-09 |
Family
ID=49287120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202453952U Expired - Fee Related CN203230994U (en) | 2013-05-08 | 2013-05-08 | Pipeline rotating joint for air conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203230994U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106270216A (en) * | 2016-10-11 | 2017-01-04 | 长沙荆华电子科技有限公司 | A kind of floating junction and apply the punch press of this floating junction |
| CN107054002A (en) * | 2017-04-20 | 2017-08-18 | 珠海格力电器股份有限公司 | Tube joint assembly and the air conditioner with it |
| CN109267946A (en) * | 2018-09-19 | 2019-01-25 | 邹城兖矿泰德工贸有限公司 | Driver extension bar connector |
-
2013
- 2013-05-08 CN CN2013202453952U patent/CN203230994U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106270216A (en) * | 2016-10-11 | 2017-01-04 | 长沙荆华电子科技有限公司 | A kind of floating junction and apply the punch press of this floating junction |
| CN107054002A (en) * | 2017-04-20 | 2017-08-18 | 珠海格力电器股份有限公司 | Tube joint assembly and the air conditioner with it |
| CN109267946A (en) * | 2018-09-19 | 2019-01-25 | 邹城兖矿泰德工贸有限公司 | Driver extension bar connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131009 Termination date: 20140508 |