CN202927332U - Pipeline connector - Google Patents
Pipeline connector Download PDFInfo
- Publication number
- CN202927332U CN202927332U CN 201220383600 CN201220383600U CN202927332U CN 202927332 U CN202927332 U CN 202927332U CN 201220383600 CN201220383600 CN 201220383600 CN 201220383600 U CN201220383600 U CN 201220383600U CN 202927332 U CN202927332 U CN 202927332U
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- CN
- China
- Prior art keywords
- groove
- joint body
- connecting tube
- slotted collar
- seal ring
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- Expired - Fee Related
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model relates to a pipeline connector which comprises a connector body, a connecting pipe, sealing rings and an opening snap ring, wherein the connecting pipe is connected with one end portion of the connector body in an inserted mode, the sealing rings are arranged in the connector body and connected between the connecting pipe and the connector body in a sealed mode, and the opening snap ring is arranged inside the connector body and clamped on the connecting pipe in a matched mode. A positioning groove matched with the opening snap ring is formed in the connecting pipe. The sealing rings comprise a first sealing ring and a second sealing ring, and one part of the inner wall of the connector body protrudes outwards to form a first groove and a second groove, wherein the first groove is used for containing the first sealing ring, and the second groove is used for containing and limiting the second sealing ring and the opening snap ring. The pipeline connector has the advantages of saving metal materials and being simple to process, low in manufacturing cost, simple and reliable to install and good in sealing effect.
Description
Technical field
The utility model relates to a kind of pipe joint, particularly a kind of pipe joint of fast insert-pull connection.
Background technique
The pipe joint of commonly using in conventional art, generally include connected tube and connecting head, both are threaded connection, yet because its installation process is complicated, installation time is long, is therefore replaced by a kind of Novel direct pushing-type linkage structure gradually, and the connected tube of this direct-push type linkage structure can connect by directly pushing and plugging to enter in connecting head, and lock by the locking element in connecting head, thereby prevent that connected tube from coming off from connecting head.
a kind of directly-pushing connecting pipe joint is disclosed in the background technique as Chinese patent 200910040489.4, this pipe joint comprises joint body, have the groove of installing O-ring seal on joint body, two ends are provided with bellmouth orifice, bellmouth orifice extends certain-length vertically, and in-built flexible slotted collar, also has the limited part of one section variation in diameter on joint body, have the snap ring groove on connected tube, after being inserted joint body, connecting tube directly pushes away, the elastic opening snap ring snaps in groove, outwards pull again after making connecting tube end contact limited part, make snap ring and connecting tube wedging and can not extract by the thin section of bellmouth orifice.
Yet the problem of its existence is: 1, lock by bellmouth orifice, make the sphere of activities of slotted collar in bellmouth orifice larger, when connected tube inserts joint body, the slotted collar connected tube pushes up the most inboard, all the time do not fall in the groove on connected tube, thus pipeline connect complete after, when hydraulic pressure increases, connected tube is deviate under pressure, makes seal failure;
2, in addition, this pipe joint also exists a drawback to be, owing to needing to arrange limited part on joint body, independent limited part not only needs to increase draw operation, increase cost, and the length of joint body is also longer, and materials consumption is larger.
3, a lot of workmens when mounted, connecting tube inserts not in place, be not inserted into limited part, and after the workmen often inserts connected tube, the constipation bundle is installed, and has omitted necessary installation steps--with the outside drawing of connecting tube, this makes the elastic opening snap ring not enter the groove of connecting tube, therefore after the pipeline connection is completed, when hydraulic pressure increased, connected tube was deviate under pressure, makes seal failure;
4, when constructing, usually a lot of pipe joints need to be linked together, one section connecting tube connects former and later two pipe joints, after the pipe joint of front connects, because the pipe joint of back inevitably can cause connecting tube movable when mounted, and shoulder hole structure makes connecting tube and slotted collar have certain activity space, therefore as easy as rolling off a log slotted collar and the connecting tube play of making, run to the larger side of shoulder hole, lose sealing.
Chinese patent 200910040489.4 improves on the basis of above-mentioned background technology, the technological scheme that proposition utilizes a shoulder hole to seal, however it still can't eliminate above-mentioned drawback.
Summary of the invention
For the problems referred to above, the purpose of this utility model is to provide a kind of safe and reliable pipe joint again easy for installation.
in order to realize above-mentioned model utility purpose, the utility model adopts following technological scheme: a kind of pipe joint, comprise joint body, be plugged on the connecting tube of described joint body one end, be arranged in described joint body and be sealedly connected on seal ring between described connecting tube and joint body, be arranged in described joint body and block the slotted collar that fits on described connecting tube, offer the locating slot that matches with described slotted collar on described connecting tube, described seal ring comprises the first seal ring and the second seal ring, the part inwall of described joint body is outwardly is formed for accommodating the first groove of described the first seal ring and the second groove that is used for accommodating and limiting described the second seal ring and slotted collar, the end of the more close described joint body of described the second groove, and described locating slot to the distance of connecting tube end greater than the distance between described the first groove and the second groove, described slotted collar has two working staties at least, when it is in the first working state, described slotted collar is positioned at described locating slot, and the external diameter of described slotted collar is greater than the internal diameter of described joint body, when described slotted collar was in the second working state, described slotted collar broke away from described locating slot, and the internal diameter of described slotted collar is greater than the external diameter of described connecting tube.
Preferably, identical with internal diameter everywhere the second groove except described the first groove on described joint body.
Preferably, described joint body impact briquetting forms.
Preferably, the two end part of described connecting tube have the closing in section that bore dwindles.
Preferably, the groove depth of described the second groove increases gradually towards the direction away from the end of described joint body.
Preferably, the groove depth of described the second groove is thick greater than the footpath of described slotted collar.
Preferably, the groove width of described the first groove is slightly larger than the external diameter of described the first seal ring.
Offer on pipe joint of the present utility model for the second groove that limits slotted collar, slotted collar is limited in less scope mobile, therefore when taking over construction, only connected tube need to be inserted joint body, get final product until slotted collar falls into locating slot, can hear the sound of slotted collar low water this moment.The utility model compared with prior art has following advantage:
1. need not to offer the limited part that diameter diminishes on joint body, not only the length reduction of joint body can be saved metallic material, also reduced draw operation, improve work efficiency, further reduce manufacture cost;
2. the utlity model has the first seal ring and the second seal ring, even the second seal ring sealing effect when pipe fitting is movable is not good, the first seal ring still can guarantee to keep between joint body and connecting tube sealing;
3. the activity space due to slotted collar is little, and the workman only needs the installation steps of an insertion, need not outwards drawing again, can be in place, avoided in the prior art problem of the seal failure that can't low water causes because of snap ring, the utility model is installed simple and reliable, good sealing effect;
4. joint body adopts the punch forming process manufacturing, and work efficiency is high, and cost is low.
Description of drawings
Accompanying drawing 1 is schematic diagram of the present utility model;
Accompanying drawing 2 is the schematic diagram of dismounting joint body and connecting tube;
In accompanying drawing, 1, joint body; 2, connecting tube; 31, the first seal ring; 32, the second seal ring; 4, slotted collar; 5, expansion workpiece; 11, the first groove; 12, the second groove; 13, transition part; 21, locating slot.
Embodiment
For making the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, a kind of pipe joint comprises joint body 1, the connecting tube 2 that is plugged on described joint body 1 one ends with homogeneous internal diameter, is arranged in described joint body 1 and is sealedly connected on seal ring 3 between described connecting tube 2 and joint body 1, is arranged in described joint body 1 and blocks the slotted collar 4 that fits on described connecting tube 2.
Joint body 1 use stainless steel pipe of the present utility model is as raw material, be formed be used to first groove 11 of accommodating described the first seal ring 31 and for the second groove 12 of locating and limiting described the second seal ring 32 and slotted collar 4 by punch forming process, be formed with the constant transition part of bore 13 between the first groove 11 and the second groove 12, the internal diameter of this transition part 13 is less than the second groove 12, therefore can prevent slotted collar 4 plaies and breaks away from the second groove 12.As shown in Figure 1, the end of the second more close described joint body 1 of groove 12.The opening of the first groove 11 is slightly larger than the first seal ring 31, therefore the sphere of activities of the first seal ring 31 in the first groove 11 is dwindled, thereby guarantees the good seal of joint body 1 and connecting tube 2.
Insert smoothly in joint body 1 for ease of connecting tube 2, the two end part of described connecting tube 2 all have the closing in section that bore dwindles, also offer the locating slot 21 that matches with described slotted collar 4 on described connecting tube 2, when connecting tube 2 inserts joint body 1, slotted collar 4 falls within locating slot 21, be that described slotted collar 4 is in the first working state, this moment described slotted collar 4 connected tube 2 spreadings, therefore the external diameter of slotted collar 4 can firmly be connected to connecting tube 2 on joint body 1 greater than the internal diameter of described joint body 1.
Preferably, the groove depth of described the second groove 12 increases gradually towards the direction away from described joint body 1 end, the activity space that is slotted collar 4 narrows down gradually towards joint body 1 end one side (right side in accompanying drawing 1), makes slotted collar 4 can prevent that connecting tube 2 from deviating from from connect body 1.Slotted collar 4 and the second seal ring 3 are arranged in the second groove 12, and keep some activity spaces, design is to consider when between the joint body 1 of pipe joint and connecting tube 2 during the larger temperature contrast of existence like this, between connecting tube 2 and joint body 1 owing to expanding with heat and contract with cold, certain displacement can occur, so the second groove 12 needs in the axial direction, and a position slotted collar 4 leaves certain activity space.This activity space can not be too little, and the groove width of the second groove 12 is too small, and when the temperature difference between connecting tube 2 and joint body 1 increased, connecting tube 2 and joint body 1 can't relatively move and can cause localized stress excessive.
During construction, the workman only need to inwardly insert connecting tube 2 in joint body 1, gets final product until hear that slotted collar 4 falls in locating slot 21.When having the trend that relatively moves between connecting tube 2 and joint body 1, slotted collar 4 can be stuck between the sidewall of connecting tube 2 and the second groove 12, utilizes frictional force that both are compressed, and in the time of can preventing the hydraulic pressure increase, connecting tube 2 is pulled out.Set up the position that the second seal ring 32 can limit slotted collar 4 in the second groove 12, make it be difficult for departing from, more can further increase sealing effect.as shown in Figure 2, it is thick that the groove depth of described the second groove 12 is slightly larger than the footpath of described slotted collar 4, also exist between joint body 1 and connecting tube 2 and can insert the gap that expansion workpiece 5 inserts, expansion workpiece 5 can further open slotted collar 4, like this, when using expand tube workpiece dismounting joint body 1 and connecting tube 2, expansion workpiece 5 is inserted between joint body 1 and connecting tube 2, make described slotted collar 4 be in the second working state, described slotted collar 4 was inflated workpiece 5 and backed down and break away from described locating slot 21 this moment, and the internal diameter of described slotted collar 4 is greater than the external diameter of described connecting tube 2, the workman can extract connecting tube 2 out from joint body 1.
Above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow person skilled in the art scholar can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection domain of the present utility model.
Claims (7)
1. pipe joint, comprise joint body (1), be plugged on the connecting tube (2) of described joint body (1) one end, be arranged in described joint body (1) and be sealedly connected on seal ring (31 between described connecting tube (2) and joint body (1), 32), be arranged in described joint body (1) and block the slotted collar (4) that fits on described connecting tube (2), offer the locating slot (21) that matches with described slotted collar (4) on described connecting tube (2), it is characterized in that: described seal ring comprises the first seal ring (31) and the second seal ring (32), the part inwall of described joint body (1) is outwardly is formed for accommodating first groove (11) of described the first seal ring (31) and the second groove (12) that is used for accommodating and limiting described the second seal ring (32) and slotted collar (4), the end of the more close described joint body of described the second groove (12) (1), and described locating slot (21) to the distance of connecting tube (2) end greater than the distance between described the first groove (11) and the second groove (12), described slotted collar (4) has two working staties at least, when it is in the first working state, described slotted collar (4) is positioned at described locating slot (21), and the external diameter of described slotted collar (4) is greater than the internal diameter of described joint body (1), when being in the second working state, described slotted collar (4) breaks away from described locating slot (21) when described slotted collar (4), and the internal diameter of described slotted collar (4) is greater than the external diameter of described connecting tube (2).
2. pipe joint according to claim 1 is characterized in that: described joint body (1) upper except described the first groove (11) identical with internal diameter everywhere the second groove (12).
3. pipe joint according to claim 1, it is characterized in that: described joint body (1) impact briquetting forms.
4. pipe joint according to claim 1, it is characterized in that: the two end part of described connecting tube (2) have the closing in section that bore dwindles.
5. pipe joint according to claim 1 is characterized in that: the groove depth of described the second groove (12) increases gradually towards the direction away from the end of described joint body (1).
6. pipe joint according to claim 1, it is characterized in that: the groove depth of described the second groove (12) is thick greater than the footpath of described slotted collar (4).
7. pipe joint according to claim 1, it is characterized in that: the groove width of described the first groove (11) is slightly larger than the external diameter of described the first seal ring (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220383600 CN202927332U (en) | 2012-05-22 | 2012-08-06 | Pipeline connector |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220229022 | 2012-05-22 | ||
| CN201220229022.1 | 2012-05-22 | ||
| CN 201220383600 CN202927332U (en) | 2012-05-22 | 2012-08-06 | Pipeline connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202927332U true CN202927332U (en) | 2013-05-08 |
Family
ID=48217293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220383600 Expired - Fee Related CN202927332U (en) | 2012-05-22 | 2012-08-06 | Pipeline connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202927332U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191721A (en) * | 2017-05-18 | 2017-09-22 | 潘汝锦 | Stereoplasm tube overcoat connecting parts |
| CN107504297A (en) * | 2017-02-24 | 2017-12-22 | 黄浩 | Thin-wall stainless steel pipe fitting interconnects tube head with tubing |
| CN108240516A (en) * | 2016-12-23 | 2018-07-03 | 浙江铜步管业有限公司 | A kind of limiting auto-locking suspension metal tube fast connecting joint |
| CN110131508A (en) * | 2019-06-01 | 2019-08-16 | 莫志华 | A kind of socket joint embeds self-hard steel plastic compount and is flapped toward dilatory pipe entirely |
| CN113803538A (en) * | 2021-08-19 | 2021-12-17 | 浙江金洲管道科技股份有限公司 | Stainless steel water pipe joint |
-
2012
- 2012-08-06 CN CN 201220383600 patent/CN202927332U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108240516A (en) * | 2016-12-23 | 2018-07-03 | 浙江铜步管业有限公司 | A kind of limiting auto-locking suspension metal tube fast connecting joint |
| CN107504297A (en) * | 2017-02-24 | 2017-12-22 | 黄浩 | Thin-wall stainless steel pipe fitting interconnects tube head with tubing |
| CN107191721A (en) * | 2017-05-18 | 2017-09-22 | 潘汝锦 | Stereoplasm tube overcoat connecting parts |
| CN110131508A (en) * | 2019-06-01 | 2019-08-16 | 莫志华 | A kind of socket joint embeds self-hard steel plastic compount and is flapped toward dilatory pipe entirely |
| CN113803538A (en) * | 2021-08-19 | 2021-12-17 | 浙江金洲管道科技股份有限公司 | Stainless steel water pipe joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20150806 |
|
| EXPY | Termination of patent right or utility model |