CN218031997U - Quick connector with pressure relief function - Google Patents
Quick connector with pressure relief function Download PDFInfo
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- CN218031997U CN218031997U CN202222467105.0U CN202222467105U CN218031997U CN 218031997 U CN218031997 U CN 218031997U CN 202222467105 U CN202222467105 U CN 202222467105U CN 218031997 U CN218031997 U CN 218031997U
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- pressure relief
- sealing ring
- button
- quick
- compression nut
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Abstract
The utility model provides a quick-operation joint that possesses pressure release function relates to quick-operation joint technical field. The quick coupling includes: the air faucet comprises an air faucet body and a pressure relief assembly; the side wall of the air tap main body is provided with a threaded hole; the pressure relief assembly includes: the pressure relief device comprises a compression nut, a first sealing ring, a pressure relief button, a second sealing ring and a return spring; the compression nut is in threaded connection with the threaded hole, the first sealing ring seals a gap between the compression nut and the threaded hole, the pressure relief button freely slides along an axial channel of the compression nut, the second sealing ring is sleeved on the outer wall of the pressure relief button, the reset spring is arranged between the inner wall of the air faucet body and the pressure relief button, and the reset spring pushes the pressure relief button upwards so that the second sealing ring seals the gap between the pressure relief button and the compression nut; when the first sealing ring or the second sealing ring is aged and leaks air, the compression nut is only required to be screwed off to replace the maintenance, the whole quick connector is not required to be scrapped, the maintenance is convenient, and the use cost is low.
Description
Technical Field
The utility model relates to a quick-operation joint technical field, concretely relates to quick-operation joint who possesses pressure release function.
Background
A quick connector is a connecting piece for realizing quick connection or disconnection of pipelines and is mainly used for quick installation of gas or liquid pipelines.
When traditional quick-operation joint used in gas line, did not possess the pressure release function, the pressure in the quick-operation joint can't obtain effective release after the pressurization is accomplished, if the excess pressure then can appear quick-operation joint flying and accidentally injure operating personnel's the condition when demolising quick-operation joint.
For solving this problem, some quick-operation joint have designed pressure release functional unit at present, but these quick-operation joint's pressure release functional unit is difficult to dismantle, in case the ageing gas leakage of pressure release functional unit, whole quick-operation joint must all be scrapped and renew, and the maintenance degree of difficulty is big, and use cost is high.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a quick-operation joint who possesses the pressure release function has solved the big high use cost's of the quick-operation joint maintenance degree of difficulty problem that possesses the pressure release function.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a quick connector with pressure relief function, the quick connector includes: the air faucet comprises an air faucet body and a pressure relief assembly;
the side wall of the air faucet main body is provided with a threaded hole;
the pressure relief assembly comprises: the pressure relief device comprises a compression nut, a first sealing ring, a pressure relief button, a second sealing ring and a return spring;
gland nut and screw hole threaded connection, the clearance between first sealing washer sealed gland nut and the screw hole, the pressure release button freely slides along gland nut's axial passageway, the outer wall at the pressure release button is established to the second sealing washer cover, reset spring sets up between air cock main part inner wall and pressure release button, and reset spring pushes up the pressure release button and makes the second sealing washer seal the clearance between pressure release button and the gland nut.
Preferably, the outer end of the threaded hole is provided with a counter bore, the head of the compression nut is accommodated in the counter bore, and the first sealing ring is arranged between the compression nut and the bottom of the counter bore.
Preferably, the outer wall of the pressure relief button is provided with a limiting block;
the second sealing ring is arranged above the limiting block;
the reset spring is located below the limiting block, and the bottom of the pressure relief button is inserted into the reset spring.
Preferably, the inner wall of the air tap main body is provided with a limiting groove, and one end, far away from the pressure relief button, of the reset spring is accommodated in the limiting groove.
Preferably, the limiting groove is internally provided with a limiting protrusion, the reset spring sleeve is arranged outside the limiting protrusion, the pressure release button is provided with a yielding groove corresponding to the limiting protrusion, and the limiting protrusion is accommodated in the yielding groove in a pressing state of the pressure release button.
Preferably, one end of the air faucet main body is provided with a universal quick connector, and the other end of the air faucet main body is connected with a rotary joint in a rotating and sealing manner.
Preferably, the rotary joint comprises in sequence from the inner end to the outer end: a clamping block, an insertion tube and a switching tube;
the air faucet main body is provided with a jack corresponding to the inserting tube and a clamping groove corresponding to the clamping block; the insertion tube is accommodated in the insertion hole, and the clamping block is accommodated in the clamping groove;
the outer wall of the insertion pipe is provided with a plurality of third sealing rings, and the third sealing rings are used for dynamically sealing the insertion pipe and the insertion hole;
preferably, the inner end of the rotary joint is provided with a radially extending abdicating notch.
Preferably, the inner wall of the outer end of the adapter tube is provided with an internal thread;
and a fourth sealing ring is clamped at the inner end of the internal thread.
Preferably, the outer wall of the adapter tube is provided with axially extending friction ribs.
(III) advantageous effects
The utility model provides a quick-operation joint that possesses pressure release function. Compared with the prior art, the method has the following beneficial effects:
the utility model discloses in, quick-operation joint includes: the air faucet comprises an air faucet body and a pressure relief assembly; the side wall of the air tap main body is provided with a threaded hole; the pressure relief assembly includes: the pressure relief device comprises a compression nut, a first sealing ring, a pressure relief button, a second sealing ring and a return spring; the pressure relief button is sleeved on the outer wall of the pressure relief button, the reset spring is arranged between the inner wall of the air faucet main body and the pressure relief button, and the reset spring pushes the pressure relief button upwards so that the second sealing ring seals the gap between the pressure relief button and the pressure relief nut; the pressure relief assembly does not leak air in a normal state, the normal use of the quick coupling is not influenced, when pressure relief is needed, the pressure relief button is pressed, the second sealing ring does not seal a gap between the pressure relief button and the compression nut any more, and slow pressure relief is realized; when the first sealing ring or the second sealing ring is aged and leaks air, the compression nut is only required to be screwed off to replace the maintenance, the whole quick connector is not required to be scrapped, the maintenance is convenient, and the use cost is low.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is an exploded view of a quick connector according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a quick coupling according to an embodiment of the present invention;
fig. 3 is a schematic view of an internal structure of the quick coupling according to an embodiment of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The embodiment of the application solves the problem that the maintenance difficulty of the quick connector with the pressure relief function is high and the use cost is high by providing the quick connector with the pressure relief function.
In order to solve the technical problems, the general idea of the embodiment of the application is as follows:
in the embodiment of the utility model, quick-operation joint includes: the air faucet comprises an air faucet body and a pressure relief assembly; the side wall of the air tap main body is provided with a threaded hole; the pressure relief assembly includes: the pressure relief device comprises a compression nut, a first sealing ring, a pressure relief button, a second sealing ring and a return spring; the compression nut is in threaded connection with the threaded hole, the first sealing ring seals a gap between the compression nut and the threaded hole, the pressure relief button freely slides along an axial channel of the compression nut, the second sealing ring is sleeved on the outer wall of the pressure relief button, the reset spring is arranged between the inner wall of the air faucet body and the pressure relief button, and the reset spring pushes the pressure relief button upwards so that the second sealing ring seals the gap between the pressure relief button and the compression nut; the pressure relief assembly is air-tight in a normal state, the normal use of the quick connector is not influenced, when pressure relief is needed, the pressure relief button is pressed, the second sealing ring does not seal a gap between the pressure relief button and the compression nut any more, and slow pressure relief is realized; when the first sealing ring or the second sealing ring is aged and leaks air, the gland nut is only required to be unscrewed to replace maintenance, the whole quick connector is not required to be scrapped, the maintenance is convenient, and the use cost is low.
In order to better understand the technical scheme, the technical scheme is described in detail in the following with reference to the attached drawings of the specification and specific embodiments.
The embodiment is as follows:
as shown in fig. 1-3, the utility model provides a quick-operation joint who possesses pressure release function, quick-operation joint includes: an air faucet body 10 and a pressure relief assembly;
the side wall of the air tap main body 10 is provided with a threaded hole 11;
the pressure relief assembly comprises: the pressure relief valve comprises a compression nut 20, a first sealing ring 21, a pressure relief button 22, a second sealing ring 23 and a return spring 24;
the compression nut 20 is in threaded connection with the threaded hole 11, the first seal ring 21 seals a gap between the compression nut 20 and the threaded hole 11, the pressure relief button 22 freely slides along an axial channel of the compression nut 20, the second seal ring 23 is sleeved on the outer wall of the pressure relief button 22, the return spring 24 is arranged between the inner wall of the air faucet main body 10 and the pressure relief button 22, and the return spring 24 pushes the pressure relief button 22 upwards to enable the second seal ring 23 to seal the gap between the pressure relief button 22 and the compression nut 20; the pressure relief assembly is air-tight in a normal state, the normal use of the quick connector is not influenced, when pressure relief is needed, the pressure relief button 22 is pressed, the second sealing ring 23 does not seal a gap between the pressure relief button 22 and the compression nut 20 any more, and slow pressure relief is realized; when the first sealing ring 21 or the second sealing ring 23 is aged and leaks air, the maintenance can be replaced by only unscrewing the compression nut 20 without scrapping the whole quick connector, the maintenance is convenient, and the use cost is low.
As shown in fig. 1 to 3, a counterbore 12 is formed at the outer end of the threaded hole 11, the head of the compression nut 20 is accommodated in the counterbore 12, and the first seal ring 21 is arranged between the compression nut 20 and the bottom of the counterbore 12, which is beneficial to improving the sealing effect of the first seal ring 21.
As shown in fig. 1 and 3, the outer wall of the pressure relief button 22 is provided with a limiting block 25;
the second sealing ring 23 is arranged above the limiting block 25, so that air leakage caused by sliding down of the second sealing ring 23 is prevented;
the return spring 24 is positioned below the limiting block 24, and the bottom of the pressure relief button 22 is inserted into the return spring 24.
As shown in fig. 3, a limiting groove 13 is formed in an inner wall of the air faucet body 10, and an end of the return spring 24 away from the pressure relief button 22 is accommodated in the limiting groove 13.
As shown in fig. 3, a limiting protrusion 14 is arranged in the limiting groove 13, the return spring 24 is sleeved outside the limiting protrusion 14, the pressure relief button 22 is provided with a yielding groove 26 corresponding to the limiting protrusion 14, and the limiting protrusion 14 is accommodated in the yielding groove 26 in a pressed state of the pressure relief button 22.
As shown in fig. 1 to 3, one end of the air nozzle main body 10 is provided with a universal quick connector 15, and the other end of the air nozzle main body 10 is connected with a rotary joint 30 in a rotary and dynamic sealing manner.
As shown in fig. 1 and 3, the rotary joint 30 includes, in order from the inner end to the outer end: the fixture block 31, the insertion tube 32 and the adapter tube 33;
the air tap main body 10 is provided with a jack corresponding to the insertion tube 32 and a clamping groove corresponding to the clamping block 31; the insertion tube 32 is accommodated in the insertion hole, and the clamping block 31 is accommodated in the clamping groove, so that the air nozzle body 10 is communicated with the rotary joint 30.
As shown in fig. 1 and 3, a plurality of third sealing rings 34 are arranged on the outer wall of the insertion tube 32, and the third sealing rings 34 dynamically seal the insertion tube 32 and the insertion hole;
as shown in fig. 1 and fig. 3, the inner end of the rotary joint 30 is provided with a radially extending abdicating notch 35, and the abdicating notch 35 reduces the outer diameter of the clamping block 31 and provides a deformation abdicating space for the clamping block to pass through the insertion hole and enter the clamping groove.
As shown in fig. 1 and 3, the inner wall of the outer end of the adapting tube 33 is provided with internal threads, which is convenient for connecting various universal threaded air nozzles, especially tire air nozzles;
and a fourth sealing ring 36 is clamped at the inner end of the internal thread and used for sealing the adapter tube 33 and the threaded joint.
As shown in fig. 1 to 3, the outer wall of the adapter tube 33 is provided with an axially extending friction rib 37, which is beneficial to the rotation of the adapter tube 33 driven by hand.
To sum up, compare with prior art, the utility model discloses possess following beneficial effect:
in an embodiment of the utility model, quick-operation joint includes: the air faucet comprises an air faucet body and a pressure relief assembly; the side wall of the air tap main body is provided with a threaded hole; the pressure relief assembly includes: the pressure relief device comprises a compression nut, a first sealing ring, a pressure relief button, a second sealing ring and a return spring; the pressure relief button is sleeved on the outer wall of the pressure relief button, the reset spring is arranged between the inner wall of the air faucet main body and the pressure relief button, and the reset spring pushes the pressure relief button upwards so that the second sealing ring seals the gap between the pressure relief button and the pressure relief nut; the pressure relief assembly does not leak air in a normal state, the normal use of the quick coupling is not influenced, when pressure relief is needed, the pressure relief button is pressed, the second sealing ring does not seal a gap between the pressure relief button and the compression nut any more, and slow pressure relief is realized; when the first sealing ring or the second sealing ring is aged and leaks air, the compression nut is only required to be screwed off to replace the maintenance, the whole quick connector is not required to be scrapped, the maintenance is convenient, and the use cost is low.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a quick-operation joint that possesses pressure release function which characterized in that, quick-operation joint includes: an air tap main body (10) and a pressure relief assembly;
a threaded hole (11) is formed in the side wall of the air faucet main body (10);
the pressure relief assembly comprises: the pressure relief valve comprises a compression nut (20), a first sealing ring (21), a pressure relief button (22), a second sealing ring (23) and a return spring (24);
compression nut (20) and screw hole (11) threaded connection, clearance between first sealing washer (21) seal compression nut (20) and screw hole (11), pressure release button (22) freely slides along the axial passageway of compression nut (20), the outer wall at pressure release button (22) is established to second sealing washer (23), reset spring (24) set up between air cock main part (10) inner wall and pressure release button (22), and reset spring (24) push up pressure release button (22) and make second sealing washer (23) seal the clearance between pressure release button (22) and compression nut (20).
2. The quick connector with the pressure relief function according to claim 1, wherein the outer end of the threaded hole (11) is provided with a counter bore (12), the head of the compression nut (20) is accommodated in the counter bore (12), and the first sealing ring (21) is arranged between the compression nut (20) and the bottom of the counter bore (12).
3. The quick joint with the pressure relief function according to claim 1, wherein the outer wall of the pressure relief button (22) is provided with a limiting block (25);
the second sealing ring (23) is arranged above the limiting block (25);
the return spring (24) is positioned below the limiting block (25), and the bottom of the pressure relief button (22) is inserted into the return spring (24).
4. The quick connector with pressure relief function according to claim 1, characterized in that the inner wall of the air nozzle body (10) is provided with a limiting groove (13), and one end of the return spring (24) away from the pressure relief button (22) is accommodated in the limiting groove (13).
5. The quick coupling with the pressure relief function according to claim 4, wherein a limiting protrusion (14) is disposed in the limiting groove (13), the return spring (24) is sleeved outside the limiting protrusion (14), the pressure relief button (22) is provided with a yielding groove (26) corresponding to the limiting protrusion (14), and the limiting protrusion (14) is accommodated in the yielding groove (26) when the pressure relief button (22) is pressed down.
6. The quick coupling with pressure relief function according to claim 1, wherein one end of the air cock body (10) is provided with a universal quick connector (15), and the other end of the air cock body (10) is rotatably and hermetically connected with a rotary coupling (30).
7. The quick coupling with pressure relief according to claim 6, characterized in that said rotary coupling (30) comprises, in sequence from the inner end to the outer end: a fixture block (31), an insertion tube (32) and a transfer tube (33);
the air faucet body (10) is provided with a jack corresponding to the insertion tube (32) and a clamping groove corresponding to the clamping block (31); the insertion tube (32) is accommodated in the insertion hole, and the clamping block (31) is accommodated in the clamping groove;
the outer wall of the insertion pipe (32) is provided with a plurality of third sealing rings (34), and the third sealing rings (34) are used for dynamically sealing the insertion pipe (32) and the insertion hole.
8. The quick coupling with pressure relief function according to claim 7, characterized in that the inner end of the rotary joint (30) is provided with a radially extending relief notch (35).
9. The quick connector with the pressure relief function according to claim 7, wherein the inner wall of the outer end of the adapter tube (33) is provided with internal threads;
and a fourth sealing ring (36) is clamped at the inner end of the internal thread.
10. The quick coupling with pressure relief function according to claim 7, characterized in that the outer wall of the adapter tube (33) is provided with axially extending friction ribs (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222467105.0U CN218031997U (en) | 2022-09-16 | 2022-09-16 | Quick connector with pressure relief function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222467105.0U CN218031997U (en) | 2022-09-16 | 2022-09-16 | Quick connector with pressure relief function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218031997U true CN218031997U (en) | 2022-12-13 |
Family
ID=84354984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222467105.0U Active CN218031997U (en) | 2022-09-16 | 2022-09-16 | Quick connector with pressure relief function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218031997U (en) |
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2022
- 2022-09-16 CN CN202222467105.0U patent/CN218031997U/en active Active
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