CN204004964U - A kind of metal fast joint - Google Patents
A kind of metal fast joint Download PDFInfo
- Publication number
- CN204004964U CN204004964U CN201420412930.3U CN201420412930U CN204004964U CN 204004964 U CN204004964 U CN 204004964U CN 201420412930 U CN201420412930 U CN 201420412930U CN 204004964 U CN204004964 U CN 204004964U
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- China
- Prior art keywords
- pipe box
- conical surface
- pipe
- described body
- joint
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- Expired - Fee Related
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 31
- 239000002184 metal Substances 0.000 title claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 239000007769 metal material Substances 0.000 claims abstract description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 9
- 230000008878 coupling Effects 0.000 description 9
- 238000010168 coupling process Methods 0.000 description 9
- 238000005859 coupling reaction Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000005493 welding type Methods 0.000 description 1
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model provides a kind of metal fast joint, belongs to pipe fitting interconnection technique field.It has solved that existing pipe joint installs that convenience is not high, sealing and the technical problem such as soundness is poor.This joint comprises the body of pipe box and metal material, on the outer side surface of body two ends, be equipped with annular step surface, the inner side surface of pipe box is provided with conical surface, the osculum of conical surface is towards the inside of pipe box, conical surface large mouthful towards the end of pipe box, pipe box can be socketed in the step surface that the two ends of body and the conical surface of pipe box can push body makes body form reducing.This joint makes pipe fitting plastic deformation by what conical surface and step surface be set against extruding, thereby makes the body pipe fitting close contact inner with it, reaches the effect of sealing; Pipe box and pipe fitting can firmly link together with body, and dismounting and assembling are also very convenient, do not need screw thread to turn.
Description
Technical field
The utility model belongs to pipe fitting interconnection technique field, relates to a kind of pipe joint, particularly a kind of metal fast joint.
Background technique
Between pipeline and pipeline, conventionally by pipe joint, be connected, to ensure the convenience of processing transportation and assembling, joint be also can dismounting between element and pipeline tie point, in pipe fitting, serving as indispensable key player.Pipe fitting joint has in the market had various kind, and conventional pipe joint generally can be divided into two kinds of hard pipe joint and hose couplings, and hard pipe joint has three kinds of flared type, FERRULETYPE and welding types, and hose coupling is mainly fastening-pressing type rubber hose coupling.Because pipe joint belongs to dismountable connecting element, it,, meeting that normal stable connection, sealing are strong, outside good etc. the requirement of little, the technology capability of Sizes, the pressure loss, also must meet dismounting requirement easily.And joint in hydraulic pipe line need to bear larger pressure, plastic joint on market is difficult to satisfy the demands, and a lot of joints that comprise plastic joint on market are in order to meet sealing demand and firm stable, conventionally all adopt the mode that is spirally connected and increases seal ring, this can have influence on the convenience of assembling.
China's patent (CN 202756789 U) discloses a kind of straight joint structure-improved, comprise straight pipe type body, at least one end of described straight pipe type body is provided with a joining part, a coaxial ring bush and the annular cover copper part of connecting in described joining part, described joining part is set on copper part, and described lining is set in joining part.Preferably, described straight pipe type body, lining and annular cover copper part are integrated the structure of setting.
Straight joint in above-mentioned patent is still convenient not when connecting, and need to be spirally connected by the internal whorl of cover copper part, and in technique scheme, straight pipe type body adopts plastic parts, and anti-pressure ability is poor, and working life is short.
Summary of the invention
The purpose of this utility model is the problems referred to above that exist for existing technology, and a kind of metal fast joint is provided, and technical problem to be solved in the utility model is how to improve installation convenience, sealing and the soundness of quick coupling.
The purpose of this utility model can realize by following technical proposal:
A kind of metal fast joint, it is characterized in that, described joint comprises the body of pipe box and metal material, on the outer side surface of described body two ends, be equipped with annular step surface, the inner side surface of described pipe box is provided with conical surface, the osculum of described conical surface is towards the inside of described pipe box, and large mouthful of described conical surface towards the end of described pipe box, and described pipe box can be socketed in the step surface that the two ends of described body and the conical surface of described pipe box can push described body makes described body form reducing.
Working principle of the present utility model is: this metal fast joint is the straight coupling for pipe fitting, can be used for interconnecting of metal pipe element, especially being used in air conditioning refrigerant pipe connects, the body of joint adopts metallic material to make, pipe fitting to be connected uses according to different size couplings from this joint, pipe box can depart from body before unassembled, two pipe fittings to be connected insert in this body from this body two ends respectively, again pipe box is set on the two ends of body, on the inner side surface of pipe box, be equipped with conical surface, on the outer side surface of body near two ends, be equipped with annular step surface, pipe box is in the sheathed process to body, all move along the conical surface on pipe box inner side surface at the two ends of pipe fitting, along with the internal diameter of pipe box diminishes gradually, until the outer surface of extruding pipe fitting, further the conical surface of pipe box and the step surface of body lean, to step surface, apply downward partial pressure, can push pipe fitting plastic deformation, thereby make the body pipe fitting close contact inner with it, reach the effect of sealing, pipe box is also tightly placed on body in this process, body also firmly links together with pipe fitting, plastic extruding deformation due to body, make pipe box, pipe fitting and body can both firmly link together, and good seal performance, fluid pressure in pipe fitting is larger, this metal joint can bear larger pressure, it is tightr that liquid extruding pipe fitting wall energy makes it contact with body, good sealing effect, dismounting and assembling are also very convenient, do not need screw thread to turn.
In above-mentioned metal fast joint, described body middle part is circumferentially installed with flange along described body, and the external diameter of described flange is greater than the internal diameter of described pipe box.The flange of the outer middle side part of body can play a spacing effect, prevents that the pipe box at body two ends from moving excessively, when utilizing instrument to carry out sheathed assembling to pipe box, plays the effect of a supporting surface or stress surface simultaneously.
In above-mentioned metal fast joint, on the middle part madial wall of described body, along described body, be circumferentially also installed with back-up ring, the internal diameter of described back-up ring is less than pipe fitting external diameter to be assembled; Described body, flange and back-up ring adopt one-body molded.Back-up ring can play a spacing effect when pipe fitting to be connected inserts body, makes two pipe fittings both peg graft and put in place, does not peg graft again excessive, strengthens the connection effect of two pipe fittings; Body, flange and back-up ring adopt the one-body molded processing of being convenient to, and can adopt injection moulding integrated molding, need not weld, and reduce manufacturing procedure, enhance productivity.
In above-mentioned metal fast joint, described conical surface is along the axial direction of described pipe box and make from inside to outside the internal diameter of described pipe box increase successively.The conical surface arranging like this can facilitate assembling and the dismounting of pipe box and body, and the distortion that also can realize smoothly by body produces firmly connection closely.
In above-mentioned metal fast joint, the two ends of described body all have outer chamfering.The outer chamfering at body two ends can play a leading role when body and pipe box and body assembling, is convenient to assembling, prevents that sharp-pointed end limit from bringing injury to human body or miscellaneous equipment parts simultaneously.
In above-mentioned metal fast joint, described body and pipe box all adopt aluminum alloy to make, and dismountable being set on described body and with described body of described pipe box coaxially arranges.Aluminum alloy has very high plasticity, is easy to processing, and corrosion resistance is good, can strengthen sealing and the soundness of connection.
In above-mentioned metal fast joint, the quantity of described flange is that two and two flanges are arranged in parallel, and between two flanges, has gap.Two flanges are set, two distances between flange can be set according to different demands, thereby conveniently utilize instrument to carry out sheathed assembling to pipe box, a stressed supporting surface is provided, simultaneously also can pipe fitting on sheathed pipeline carry out axial limiting.
A kind of linkage structure with metal fast joint connection pipe fitting, it is characterized in that, described metal fast joint comprises the body of pipe box and metal material, on the outer side surface of described body two ends, be equipped with annular step surface, on the inner side surface of described pipe box, be equipped with conical surface, the osculum of described conical surface is towards the inside of described pipe box, the large mouthful of end towards described pipe box of described conical surface, the two ends that the two ends of described body are all inserted with pipe fitting and described body are all arranged with described pipe box, the step surface that the conical surface of described pipe box pushes described body makes described body form reducing, the madial wall of described body and the outer side wall of described pipe fitting fit tightly formation sealing configuration.Utilize above-mentioned metal fast joint connection pipe fitting, pipe fitting uses according to different size couplings from metal fast joint, two pipe fittings to be connected are inserted in body from body two ends respectively, pipe box is set on the two ends of body, the conical surface of pipe box is resisted against on the step surface of body, the outer surface of extruding pipe fitting, to step surface, apply downward partial pressure, can push pipe fitting plastic deformation, thereby make the madial wall of body and the outer side wall close contact of pipe fitting, reach the effect of sealing, pipe box is also tightly placed on body in this process.
Compared with prior art, the utlity model has following advantage:
1, this joint makes pipe fitting plastic deformation by what conical surface and step surface be set against extruding, thereby makes the body pipe fitting close contact inner with it, reaches the effect of sealing; Pipe box and pipe fitting can firmly link together with body, and dismounting and assembling are also very convenient, do not need screw thread to turn.
2, this joint adopts aluminum alloy to make, and has very high plasticity, is easy to processing, and corrosion resistance is good, can strengthen sealing and the soundness of connection.
3, outside, this joint body middle part is circumferentially installed with flange along body, inner side is circumferentially installed with back-up ring along body, and flange and back-up ring can play a spacing effect, and flange can prevent that pipe box from moving excessively, back-up ring had both guaranteed that two pipe fittings grafting put in place, did not peg graft again excessive.
Accompanying drawing explanation
Fig. 1 is the perspective view of this joint;
Fig. 2 is that this joint is faced structural representation;
Fig. 3 is the structural representation of facing after the assembling of this joint;
Fig. 4 is the sectional structure schematic diagram of A-A in Fig. 3;
Fig. 5 is linkage structure original state sectional structure schematic diagram;
Fig. 6 is local structure for amplifying schematic diagram in Fig. 5;
Fig. 7 is linkage structure end-state sectional structure schematic diagram;
Fig. 8 is local structure for amplifying schematic diagram in Fig. 7.
Fig. 9 is that the joint in embodiment two is faced structural representation.
In figure, 1, body; 2, pipe box; 3, flange; 4, back-up ring; 5, pipe fitting; 6, step surface; 7, conical surface.
Embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Embodiment one
As shown in Figures 1 to 8, this joint comprises pipe box 2 and body 1, on body 1 two ends outer side surface, be equipped with annular step surface 6, on the inner side surface of pipe box 2, be equipped with conical surface 7, the osculum of conical surface 7 is towards the inside of pipe box 2, and the large mouth of conical surface 7 is towards the end of pipe box 2, and conical surface 7 is along the axial direction of pipe box 2 and make from inside to outside the internal diameter of pipe box 2 increase successively, the two ends of body 1 are all arranged with pipe box 2, and the conical surface 7 of pipe box 2 can lean with the step surface 6 of body 1; Body 1 middle part is circumferentially installed with flange 3 along body 1, and the external diameter of flange 3 is greater than the internal diameter of pipe box 2, on the middle part madial wall of body 1, along body 1, is circumferentially also installed with back-up ring 4, and the internal diameter of back-up ring 4 is less than pipe fitting to be assembled 5 external diameters; Body 1, flange 3 and back-up ring 4 adopt one-body molded; The two ends of body 1 all have outer chamfering; Body 1 and pipe box 2 all adopt aluminum alloy to make, and dismountable being set on body 1 and with body 1 of pipe box 2 coaxially arranges.
Working principle of the present utility model is: this metal fast joint is the straight coupling for pipe fitting 5, can be used for interconnecting of metal pipe element, especially being used in air conditioning refrigerant pipe connects, the body 1 of joint adopts metallic material to make, pipe fitting 5 to be connected uses according to different size couplings from this joint, pipe box 2 can depart from body 1 with body 1 at unassembled front pipe box 2, two pipe fittings to be connected 5 insert in this body 1 from body 1 two ends respectively, again pipe box 2 is set on the two ends of body 1, on the inner side surface of pipe box 2, be equipped with conical surface 7, on the outer side surface of body 1 near two ends, be equipped with annular step surface 6, pipe box 2 is overlapping in the process of body 1, all move along the conical surface 7 on pipe box 2 inner side surfaces at the two ends of body 1, along with the internal diameter of pipe box 2 diminishes gradually, until the outer surface of extruding pipe fitting 5, conical surface 7 leans with the step surface 6 of body 1 simultaneously, to step surface 6, apply downward partial pressure, can push body 1 plastic deformation, thereby make body 1 pipe fitting inner with it 5 close contacts, reach the effect of sealing, pipe box 2 is also tightly placed on body 1 in this process, body 1 also firmly links together with pipe fitting 5, plastic extruding deformation due to body 1, make pipe box 2, pipe fitting 5 and body 1 can both firmly link together, and good seal performance, fluid pressure in pipe fitting 5 is larger, this metal joint can bear larger pressure, liquid extruding pipe fitting 5 wall energys make it contact tightr with body 1, good sealing effect, dismounting and assembling are also very convenient, do not need screw thread to turn, this joint adopts aluminum alloy to make, aluminum alloy has very high plasticity, be easy to processing, corrosion resistance is good, can strengthen sealing and the soundness of connection.
As shown in Figure 5-Figure 8, the flange 3 at body 1 middle part can play a spacing effect, prevents that the movement of pipe box 2 is excessive, when utilizing instrument to carry out sheathed assembling to pipe box 2 and body 1, plays the effect of a supporting surface or stress surface simultaneously; Back-up ring 4 can play a spacing effect when pipe fitting to be connected 5 inserts body 1, makes two pipe fittings 5 both peg graft and put in place, does not peg graft again excessive, strengthens the connection effect of two pipe fittings 5; Body 1, flange 3 and back-up ring 4 adopt the one-body molded processing of being convenient to, and can adopt injection moulding integrated molding, need not weld, and reduce manufacturing procedure, enhance productivity.The two ends of body 1 all have outer chamfering, and the outer chamfering at body 1 two ends can play a leading role when body 1 assembles with pipe box 2, is convenient to assembling, prevents that sharp end sideband from coming dangerous simultaneously.
Embodiment two
As shown in Figure 9, the content of the present embodiment is with basic identical with embodiment one, difference is, the quantity of the present embodiment flange 3 is that two and two flanges 3 are arranged in parallel, and between two flanges 3, has gap, arranges after two flanges, two distances between flange 3 can be set according to different demands, thereby conveniently utilize instrument to carry out sheathed assembling to pipe box 2, a stressed supporting surface is provided, also can carry out axial limiting to pipeline sheathed on body 1 simultaneously.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used 1 herein, body; 2, pipe box; 3, flange; 4, back-up ring; 5, pipe fitting; 6, step surface; 7, the term such as conical surface, but do not get rid of the possibility of using other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (8)
1. a metal fast joint, it is characterized in that, described joint comprises the body (1) of pipe box (2) and metal material, on the outer side surface of described body (1) two ends, be equipped with annular step surface (6), the inner side surface of described pipe box (2) is provided with conical surface (7), the osculum of described conical surface (7) is towards the inside of described pipe box (2), the large mouthful of end towards described pipe box (2) of described conical surface (7), described pipe box (2) can be socketed in the step surface (6) that the two ends of described body (1) and the conical surface (7) of described pipe box (2) can push described body (1) makes described body (1) form reducing.
2. metal fast joint according to claim 1, is characterized in that, described body (1) middle part is circumferentially installed with flange (3) along described body (1), and the external diameter of described flange (3) is greater than the internal diameter of described pipe box (2).
3. metal fast joint according to claim 2, it is characterized in that, on the middle part madial wall of described body (1), along described body (1), be circumferentially also installed with back-up ring (4), the internal diameter of described back-up ring (4) is less than pipe fitting to be assembled (5) external diameter; Described body (1), flange (3) and back-up ring (4) adopt one-body molded.
4. according to the metal fast joint described in claim 1 or 2 or 3, it is characterized in that, described conical surface (7) is along the axial direction of described pipe box (2) and make from inside to outside the internal diameter of described pipe box (2) increase successively.
5. according to the metal fast joint described in claim 1 or 2 or 3, it is characterized in that, the two ends of described body (1) all have outer chamfering.
6. according to the metal fast joint described in claim 1 or 2 or 3, it is characterized in that, described body (1) and pipe box (2) all adopt aluminum alloy to make, and described pipe box (2) is dismountable to be set in described body (1) above and coaxially to arrange with described body (1).
7. according to the metal fast joint described in claim 2 or 3, it is characterized in that, the quantity of described flange (3) is that two and two flanges (3) are arranged in parallel, and between two flanges (3), has gap.
8. the linkage structure with metal fast joint connection pipe fitting, it is characterized in that, described metal fast joint comprises the body (1) of pipe box (2) and metal material, on the outer side surface of described body (1) two ends, be equipped with annular step surface (6), on the inner side surface of described pipe box (2), be equipped with conical surface (7), the osculum of described conical surface (7) is towards the inside of described pipe box (2), the large mouthful of end towards described pipe box (2) of described conical surface (7), the two ends that the two ends of described body (1) are all inserted with pipe fitting (5) and described body (1) are all arranged with described pipe box (2), the step surface (6) that the conical surface (7) of described pipe box (2) pushes described body (1) makes described body (1) form reducing, the outer side wall of the madial wall of described body (1) and described pipe fitting (5) fits tightly formation sealing configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420412930.3U CN204004964U (en) | 2014-07-24 | 2014-07-24 | A kind of metal fast joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420412930.3U CN204004964U (en) | 2014-07-24 | 2014-07-24 | A kind of metal fast joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204004964U true CN204004964U (en) | 2014-12-10 |
Family
ID=52044967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420412930.3U Expired - Fee Related CN204004964U (en) | 2014-07-24 | 2014-07-24 | A kind of metal fast joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204004964U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764408A (en) * | 2017-01-17 | 2017-05-31 | 北京市观象台 | One kind is filled ball device inflated wheel and fills ball device |
| CN107887715A (en) * | 2017-10-30 | 2018-04-06 | 蚌埠新奥能源发展有限公司 | A kind of tracing line special joint |
| CN113508743A (en) * | 2021-08-10 | 2021-10-19 | 中国水利水电科学研究院 | Prevent blockking up drip irrigation pipe |
-
2014
- 2014-07-24 CN CN201420412930.3U patent/CN204004964U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764408A (en) * | 2017-01-17 | 2017-05-31 | 北京市观象台 | One kind is filled ball device inflated wheel and fills ball device |
| CN107887715A (en) * | 2017-10-30 | 2018-04-06 | 蚌埠新奥能源发展有限公司 | A kind of tracing line special joint |
| CN113508743A (en) * | 2021-08-10 | 2021-10-19 | 中国水利水电科学研究院 | Prevent blockking up drip irrigation pipe |
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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: 20141210 |