CN204300579U - The fast access node structure of hose and rigid joint - Google Patents
The fast access node structure of hose and rigid joint Download PDFInfo
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- CN204300579U CN204300579U CN201420681605.7U CN201420681605U CN204300579U CN 204300579 U CN204300579 U CN 204300579U CN 201420681605 U CN201420681605 U CN 201420681605U CN 204300579 U CN204300579 U CN 204300579U
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Abstract
The fast access node structure of a kind of hose and rigid joint, comprise the rigid joint body of hose, nut cap, hollow, the outer section of rigid joint body is formed with external screw thread, and nut cap is formed with the internal thread coordinated with rigid joint body, and nut cap is twisted and is connected on rigid joint external section of outside; The cap central authorities of nut cap are provided with the hollow hole passed for hose; Water hole fixing compact is connected with rigidity interpolation pipe, is formed with annular gap between rigidity interpolation pipe and the outer section of rigid joint body; Described hose is sebific duct, is also arranged with bellows outside sebific duct, and the end of bellows and sebific duct is arranged in described annular gap; The outer section of rigidity interpolation pipe is inserted in sebific duct actively, and the outer section of rigidity interpolation pipe is tightened from radial direction by sebific duct; Be arranged with button in C font elasticity outside bellows, the cap inner surface of nut cap is formed with tapering, and in C font elasticity, button bit is between the cap and rigid joint body end face of nut cap.The utility model is easy to operate, and it is firm to connect, and good seepage-proof property.
Description
Technical field
The utility model belongs to the technical field of water stream channel joint design, particularly relates to the fast access node structure of a kind of hose and rigid joint.
Background technology
Tank is in order to import water or derive, generally chamber wall is provided with joint, joint is generally rigidity, therefore rigid joint body is called, rigid joint body exposes outside chamber wall, its inner hollow and be formed with water hole, as long as hose is connected (being commonly called as " connecing soon ") fast with the rigid joint body exposed, just can imports water or derive tank.
The fast access node structure of traditional soft water pipe and rigid joint is as follows: the exposed parts of rigid joint body is formed with external screw thread, and the end sleeve of hose is provided with nut cap, nut cap cap central authorities are provided with the hollow hole passed for hose, rubber washer is provided with between nut cap cap and rigid joint body end face, after nut cap is tightened in external of rigid joint, rubber washer is subject to axial grip force between nut cap cap and rigid joint body end face and realizes the water-stop of joint area.
But there is following shortcoming in above-mentioned traditional structure:
One, need to depend on rubber ring seal, and rubber washer is easily aging after being heated, and just easily seeps water after aging;
Two, need to rely on fastening nut cap to apply axial compressive force to rubber washer, but owing to there is loosening trend under the effect of nut cap under rubber washer reaction, therefore the sealing property of rubber washer not easily keeps for a long time, and need when tightening to twist power more greatly, must instrument be made use of, free-hand, be difficult to realization and tighten; Instrument of making use of then requires to have the operating space that can supply tool into rotation further;
Three, prevent the anti-line length of infiltration short, rubber washer can prevent the anti-line length seeped water to be less than the radial width of rubber washer, or be equivalent to the end surface thickness of rigid joint body, generally be no more than 1 millimeter, if infiltration effectively could not be prevented in this scope of 1 millimeter, then mean that defence line is fallen into enemy hands, after water crosses rubber washer, follow-up position cannot prevent seepage.
For above-mentioned reasons, the fast access node structure of traditional soft water pipe and rigid joint is not suitable for antiseepage and requires high equipment, also be not suitable for requiring the free-hand equipment (such as some equipment owing to lacking the operating surface rotated for spanner, thus require free-hand be screwed nut) that can assemble.
Summary of the invention
The fast access node structure that the purpose of this utility model is to overcome above-mentioned shortcoming and provides a kind of hose and rigid joint, it is easy to operate, and it is firm to connect, and good seepage-proof property.
Its object can realize by following scheme: the fast access node structure of this hose and rigid joint comprises the rigid joint body of hose, nut cap, hollow, rigid joint body is formed with water hole, the outer section of rigid joint body is formed with external screw thread, nut cap is formed with the internal thread coordinated with rigid joint body, and nut cap is twisted and is connected on rigid joint external section of outside; The cap central authorities of nut cap are provided with the hollow hole passed for hose; It is characterized in that, water hole fixing compact is connected with rigidity interpolation pipe, is formed with annular gap between rigidity interpolation pipe and the outer section of rigid joint body; Described hose is sebific duct, is also arranged with bellows outside sebific duct, and the end of bellows and sebific duct is arranged in described annular gap; The outer section of rigidity interpolation pipe is inserted in sebific duct actively, and the outer section of rigidity interpolation pipe is tightened from radial direction by sebific duct; Be arranged with button in C font elasticity outside bellows, the cap inner surface of nut cap is formed with tapering, and in C font elasticity, button bit is between the cap and rigid joint body end face of nut cap; The external diameter not being greater than bellows by the internal diameter under the nature of External Force Acting is buckled in C font elasticity; When detaining the tapering position necking down end being clamp-oned nut cap by rigid joint body end face in C font elasticity, in C font elasticity, the external diameter of button is greater than the diameter of the cap hollow hole of nut cap, in C font elasticity, the internal diameter of button is less than the external diameter of bellows, and in C font elasticity, the interior edge of button embeds in the annular groove of bellows.
Be preferably, the fixing tight fit of Inner end of rigidity interpolation pipe is inserted in the water hole of rigid joint body.
Rigidity interpolation pipe can be stainless steel tube.
Hose can be silicone tube.
In C font elasticity, button is formed with the tapering coordinated with the cap inner surface of nut cap.
Rigid joint body is generally arranged on the chamber wall of tank, and in present specification, the outer section of so-called rigidity interpolation pipe or outer end, refer to that rigidity interpolation pipe is away from that section of tank inner chamber or that one end.Otherwise the inner segment of so-called rigidity interpolation pipe or the inner, refer to that rigidity interpolation pipe is near that section of tank inner chamber or that one end.Equally, the outer section of rigid joint body, also refer to rigid joint body that section away from tank inner chamber, rigid joint body exposes outside tank.
Because the cap inner surface of nut cap is formed with tapering, so the intracavity diameter of nut cap is at the reduced diameter at this tapering position.The tapering position necking down end of so-called nut cap, refers to one end that in this tapering position of nut cap, diameter is less.
In so-called C font elasticity, the interior edge of button, refers to the edge near its center.
The utility model has the following advantages and effect:
One, the fast access node structure of tradition depends on and realizes water-stop to the axial compressive force of rubber washer, and the utility model is then rely on the radial binding force of rigidity interpolation pipe to realize, and then brings following advantage and effect:
1, do not need to depend on rubber washer, avoid rubber washer and just easily ooze water problem by after heat ageing, be particularly suitable for connecing soon of hot water pipeline;
2, do not need to depend on axial compressive force and realize sealing, therefore nut cap only need be tightened a little, and then makes tightening of nut cap not need to make use of instrument, manually tighten, easy to operate, and can not be subject to operating surface restriction, being applicable to being applied to can only the equipment of manual fastening nut;
3, prevent the anti-line length of infiltration long; The utility model prevents the anti-line length seeped water to be equivalent to the axial length of rigidity interpolation pipe and sebific duct belled position, generally can reach several centimetres.Within the scope of these several centimetres of defence lines, even if local has several millimeters or some centimetres could not antiseepage completely, as long as whole piece defence line there is a cross section can effectively antiseepage.In a word, the utility model prevents the anti-line length seeped water can length several centimetres, and traditional structure only has 1 millimeter, and percolating water wants the difficulty fully passing over a few centimeter length defence line of the utility model, is obviously greater than the difficulty of crossing traditional structure 1 millimeters long defence line; Change angle to say, the utility model several centimetres of defence lines possibility of falling into enemy hands completely is far below 1 millimeter of possibility of falling into enemy hands completely of traditional structure, and therefore the reliability of the utility model antiseepage is high.
Two, the utility model connection is firm, easy to operate
After nut cap is tightened; in C font elasticity, button enters the necking down end at nut cap tapering position by squeezing; the opening part of button in C font elasticity is shunk; in C font elasticity, the internal diameter of button diminishes; and then the interior edge of button is forced to embed in the annular groove of bellows tube wall in C font elasticity; therefore bellows axially can not be deviate from from nut cap; mean that the relative axial position of bellows and nut is fixed; bellows, once be fixed, is enclosed within shielded sebific duct inside it and also can not departs from rigidity interpolation pipe due to tension with regard to nature.Otherwise, after nut cap is turned on, move to the direction away from nut cap cap under being buckled in natural resiliency effect in C font elasticity, namely the expansion neck end to nut cap tapering position moves, thus in C font elasticity, button is expanded and returns to normality, the opening part of button in C font elasticity is made to be expanded to normality, in C font elasticity, the internal diameter of button returns to nature, therefore in C font elasticity, the interior edge of button is deviate from from the annular groove of bellows tube wall, mean that bellows axially can be deviate from from nut cap, sebific duct inside it is also just natural axially can be pulled and pull away rigidity interpolation pipe, realize dismounting.When needs are loaded onto again, only rigidity interpolation pipe need be inserted the end of sebific duct, then fastening nut cap, because sebific duct has elasticity, therefore, rigidity interpolation pipe is movable or extract and insert the end of sebific duct, and can naturally rely on radial direction to tighten after inserting and realize sealing, and rigidity interpolation pipe and sebific duct water-stop between the two does not need to depend on the auxiliary of other component or external force.Therefore, the utility model dismounting and install all very convenient, without the need to making use of instrument, and connect fastening firm.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of a kind of specific embodiment of the utility model.
Fig. 2 is the schematic diagram that rigid joint body in Fig. 1 and rigidity interpolation pipe fixedly connect together.
Fig. 3 is bellows, hose, nut cap, the interior assembly relation schematic diagram detained of C font elasticity in Fig. 1.
Fig. 4 is the structural representation of button in the C font elasticity in Fig. 3.
Fig. 5 is the structural representation of the nut cap in Fig. 3.
Fig. 6 is the structural representation of the bellows in Fig. 3.
Fig. 7 is the perspective exploded view of structure shown in Fig. 1.
Fig. 8 is the E local state enlarged diagram of structure shown in Fig. 1 when nut cap is not tightened.
Fig. 9 is the view of structure shown in Fig. 8 after nut cap is tightened.
Detailed description of the invention
Shown in Fig. 1, Fig. 2, Fig. 3, Fig. 7, the fast access node structure of this hose and rigid joint comprises hose 8(silicone tube), the rigid joint body 2 of nut cap 1, hollow, rigid joint body 2 is formed with water hole 21, the outer section of rigid joint body 2 is formed with external screw thread 22, nut cap 1 is formed with the internal thread 11 coordinated with rigid joint body, after normal assembling, nut cap 1 is twisted and is connected on outside rigid joint external section 2; The cap central authorities of nut cap 1 are provided with the hollow hole 12 passed for hose; Water hole 21 fixing compact of rigid joint body 2 is connected with rigidity interpolation pipe 5, and rigidity interpolation pipe is stainless steel tube, and the fixing tight fit of Inner end of rigidity interpolation pipe 5 is inserted in the water hole 21 of rigid joint body.Annular gap 23 is formed between rigidity interpolation pipe 5 and the outer section 25 of rigid joint body; Also be arranged with outside silicone tube 8 shown in bellows 6, Fig. 6, bellows 6 surface is formed with annular groove 61, and the end of bellows 6 and silicone tube 8 is arranged in described annular gap 23; The outer section of rigidity interpolation pipe 5 is inserted in silicone tube 8 actively (because silicone tube has elasticity, therefore rigidity interpolation pipe 5 movablely can insert silicone tube, also can activity extract silicone tube), the outer section of rigidity interpolation pipe 5 is tightened from radial direction and realizes water-stop by silicone tube 8; Be arranged with button 4 in C font elasticity outside bellows 6, the cap inner surface of nut cap 1 is formed with tapering (as shown in A local in Fig. 5, Fig. 8), and in C font elasticity, button 4 is between the cap and rigid joint body 2 end face of nut cap 1; In C font elasticity, button 4 is formed with the tapering (as shown in B local in Fig. 4) coordinated with the cap inner surface of nut cap.In C font elasticity, button 4 be not greater than the external diameter n (as shown in Figure 6) of bellows by the internal diameter m (as shown in Figure 4) under the nature of External Force Acting; When detaining 4 in C font elasticity and being clamp-oned the tapering position necking down end of nut cap by rigid joint body 2 end face, in C font elasticity, the internal diameter of button diminishes, and be less than the external diameter of bellows 6, and in C font elasticity, the interior of button embeds in the annular groove 61 of bellows along 41, but in C font elasticity, the external diameter of button 4 is still greater than the diameter of the cap hollow hole 12 of nut cap.
Mode of operation and the operation principle of above-described embodiment are as follows:
Under peacetime state, rigid joint body is fixedly mounted on tank wall, and rigid joint body and rigidity interpolation pipe can fixedly connect together, and as shown in Figure 2, hose then with in bellows, nut cap, C font elasticity is detained and combined, as shown in Figure 3.
When hose 8 needs to be communicated with tank, silicone tube 8 end is enclosed within outside rigidity interpolation pipe 5, and nut cap 1 is tightened on the external screw thread of rigid joint external section 25, after tightening, in C font elasticity, button 4 enters the bottleneck at nut cap tapering position by squeezing, the opening part 42 of button in C font elasticity is shunk, in C font elasticity, the internal diameter m of button diminishes, and then the interior of button is forced to embed in the annular groove 61 of bellows tube wall along 41 in C font elasticity, therefore bellows 6 can not be detained and deviate from (as shown in Figure 9) in C font elasticity, and the external diameter of button 4 is still greater than the diameter of the cap hollow hole 12 of nut cap in C font elasticity, namely in C font elasticity, button 4 is relative with nut cap fixing, therefore bellows 6 axially can not deviate from (as shown in Figure 9) from nut cap, mean that bellows 6 is fixed with the relative axial position of nut cap 1, bellows 6 is once be fixed, be enclosed within shielded silicone tube 8 inside it and also can not depart from rigidity interpolation pipe 5 due to tension with regard to nature, just can realize hose to be thus connected with the quick of rigid joint body.
When hose is dismantled by needs, nut cap 1 can be turned on for external section 25 from rigid joint, after turning on, in C font elasticity, button 4 is expanded and returns to normality under natural resiliency effect, the opening part 42 of button in C font elasticity is made to be expanded to normality, in C font elasticity, the internal diameter m of button returns to nature, therefore in C font elasticity, the interior of button is deviate from from the annular groove 61 of bellows tube wall along 41, mean that bellows 6 axially can deviate from (as shown in Figure 8) from nut cap 1, silicone tube 8 inside it is also just natural axially can be pulled and pull away rigidity interpolation pipe 5, realize the dismounting of hose and rigid joint body.
Claims (5)
1. the fast access node structure of a hose and rigid joint, comprise the rigid joint body of hose, nut cap, hollow, rigid joint body is formed with water hole, the outer section of rigid joint body is formed with external screw thread, nut cap is formed with the internal thread coordinated with rigid joint body, and nut cap is twisted and is connected on rigid joint external section of outside; The cap central authorities of nut cap are provided with the hollow hole passed for hose; It is characterized in that: water hole fixing compact is connected with rigidity interpolation pipe, between rigidity interpolation pipe and the outer section of rigid joint body, be formed with annular gap; Described hose is sebific duct, is also arranged with bellows outside sebific duct, and the end of bellows and sebific duct is arranged in described annular gap; The outer section of rigidity interpolation pipe is inserted in sebific duct actively, and the outer section of rigidity interpolation pipe is tightened from radial direction by sebific duct; Be arranged with button in C font elasticity outside bellows, the cap inner surface of nut cap is formed with tapering, and in C font elasticity, button bit is between the cap and rigid joint body end face of nut cap; The external diameter not being greater than bellows by the internal diameter under the nature of External Force Acting is buckled in C font elasticity; When detaining the tapering position necking down end being clamp-oned nut cap by rigid joint body end face in C font elasticity, in C font elasticity, the external diameter of button is greater than the diameter of the cap hollow hole of nut cap, in C font elasticity, the internal diameter of button is less than the external diameter of bellows, and in C font elasticity, the interior edge of button embeds in the annular groove of bellows.
2. the fast access node structure of hose according to claim 1 and rigid joint, is characterized in that: the inner of rigidity interpolation pipe is fixed tight fit and is inserted in the water hole of rigid joint body.
3. the fast access node structure of hose according to claim 1 and 2 and rigid joint, is characterized in that: rigidity interpolation pipe is stainless steel tube.
4. the fast access node structure of hose according to claim 1 and 2 and rigid joint, is characterized in that: hose is silicone tube.
5. the fast access node structure of hose according to claim 1 and 2 and rigid joint, is characterized in that: in C font elasticity, button is formed with the tapering coordinated with the cap inner surface of nut cap.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420681605.7U CN204300579U (en) | 2014-11-15 | 2014-11-15 | The fast access node structure of hose and rigid joint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420681605.7U CN204300579U (en) | 2014-11-15 | 2014-11-15 | The fast access node structure of hose and rigid joint |
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| CN204300579U true CN204300579U (en) | 2015-04-29 |
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| CN201420681605.7U Active CN204300579U (en) | 2014-11-15 | 2014-11-15 | The fast access node structure of hose and rigid joint |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105650385A (en) * | 2014-11-15 | 2016-06-08 | 广东杰邦磁能技术有限公司 | A fast-connection structure of water hose and rigid joint |
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2014
- 2014-11-15 CN CN201420681605.7U patent/CN204300579U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105650385A (en) * | 2014-11-15 | 2016-06-08 | 广东杰邦磁能技术有限公司 | A fast-connection structure of water hose and rigid joint |
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