CN218625921U - Quick joint with good sealing effect - Google Patents
Quick joint with good sealing effect Download PDFInfo
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- CN218625921U CN218625921U CN202223275916.7U CN202223275916U CN218625921U CN 218625921 U CN218625921 U CN 218625921U CN 202223275916 U CN202223275916 U CN 202223275916U CN 218625921 U CN218625921 U CN 218625921U
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- head
- wall
- locking
- female head
- female
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Abstract
The utility model relates to a quick-operation joint technical field, concretely relates to sealed effectual quick-operation joint. The utility model provides a sealed effectual quick-operation joint, include: the locking device comprises a male head, a female head, a locking assembly, a sealing assembly and a one-way valve assembly, wherein the male head is matched with the female head; the two one-way valve components are respectively arranged in the male head or the female head in a telescopic manner, and are oppositely arranged; the locking component is slidably sleeved on the outer wall of the female head and is linked with the male head; the seal assembly is fixed in the female head, and the side wall and the end wall of the seal assembly are suitable for abutting against the outer wall and the end wall of the male head to seal. Through the locking Assembly who sets up and sealing assembly's cooperation, realize the sealed effect of fixing public head and female head, improved the sealed effect of public head and female head.
Description
Technical Field
The utility model relates to a quick-operation joint technical field, concretely relates to sealed effectual quick-operation joint.
Background
The quick connector is a connector which can realize the connection or disconnection of pipelines without tools. The quick connector is convenient to use, can quickly realize the connection or disconnection of pipelines, and is widely applied to various industries; the hydraulic cylinder is widely used in the technical field of hydraulic pressure.
As shown in fig. 1, a quick connector in the prior art includes a male connector, a female connector, a locking nut and a check valve, when in use, the male connector is inserted into the female connector, and is connected and fixed by the locking nut, and at this time, the check valves in the male connector and the female connector are respectively in an open state; when the two ends are separated, the check valves in the male head and the female head can be quickly self-sealed, and the hydraulic oil in the pipeline is prevented from losing.
The effect of sealed public first outer wall is realized through setting up a sealing washer at female first inner wall more to the quick-operation joint among the prior art, but, along with public first and the improvement of the interior fluidic velocity of flow or pressure of female, the sealed effect of the sealing washer in the female head is not good, leads to the condition of weeping to take place easily. Therefore, it is necessary to develop a quick coupling with good sealing effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sealed effectual quick-operation joint to solve above-mentioned problem.
In order to achieve the above object, an embodiment of the present invention provides a quick coupling with good sealing effect, including
The locking device comprises a male head, a female head, a locking assembly, a sealing assembly and a one-way valve assembly, wherein the male head is matched with the female head;
the two one-way valve components are respectively arranged in the male head or the female head in a telescopic way and are arranged oppositely;
the locking component is sleeved on the outer wall of the female head in a sliding way and is linked with the male head;
the seal assembly is fixed in the female head, and the side wall and the end wall of the seal assembly are suitable for abutting against the outer wall and the end wall of the male head to seal.
Preferably, the male head is hollow, a positioning clamp is fixed on the outer wall of the male head along the circumferential direction, and a positioning groove is formed in the positioning clamp.
Preferably, the outer diameter of the end part of the male head close to the female head is smaller than that of the positioning card.
Preferably, the female head is hollow inside, a containing groove matched with the positioning clamp is formed in the end part, close to the male head, of the female head, and the inner diameter of the containing groove is larger than that of the female head.
Preferably, the seal assembly comprises: the first sealing ring is fixed on the inner wall of the female head, and the first sealing ring is hollow;
the second sealing ring is fixed on one side of the first sealing ring, the second sealing ring is hollow, and the second sealing ring is communicated with the first sealing ring; wherein the content of the first and second substances,
after the outer wall of the end part of the male head abuts against the first sealing ring, the first sealing ring is extruded to deform, so that the side wall of the second sealing ring abuts against the side wall of the positioning clamp for sealing.
Preferably, the locking assembly comprises: the side wall of the accommodating groove is radially provided with a plurality of through holes matched with the locking steel balls;
the locking nut is sleeved on the outer wall of the female head, and a gap is formed between the locking nut and the outer wall of the female head;
a pushing block is fixed on the inner wall of the locking nut and abuts against the outer wall of the female head;
the locking spring is sleeved on the outer wall of the female head, one end of the locking spring is fixed on the side wall of the pushing block, and the other end of the locking spring is fixed on the outer wall of the female head;
and the locking steel ball is correspondingly arranged in the through hole and is matched with the positioning groove.
Preferably, the one-way valve assembly includes: the sliding valve comprises a sliding column, a valve disc, a compression spring and a fixed block, wherein the fixed block is fixed in the male head or the female head, and a gap is formed between the fixed block and the inner wall of the male head or the female head;
a sliding groove matched with the sliding column is formed in the fixed block, and the sliding column is arranged in the sliding groove in a sliding manner;
the valve disc is sleeved on the outer wall of the sliding column, and the valve disc is matched with the male head or the female head;
one end of the compression spring is fixed on the side wall of the fixed block, and the other end of the compression spring is fixed on the side wall of the valve disc.
Preferably, the check valve assembly further comprises a drainage disc, the drainage disc is sleeved on the outer wall of the sliding column, the side wall of the drainage disc abuts against the side wall of the valve disc, and the drainage disc is conical.
Compared with the prior art, the utility model relates to a sealed effectual quick-operation joint's embodiment has following beneficial effect: through the locking Assembly who sets up and sealing assembly's cooperation, realize the effect of sealed fixed public head and female, along with public head and the improvement of the interior fluid velocity of flow of female or during the increase of pressure, first sealing washer with the formation degree can be adjusted mutually to the second sealing washer to this reaches the effect of sealed public head outer wall and end wall, has improved the sealed effect of public head and female.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 shows a perspective view of the prior art;
fig. 2 shows an exploded view of a quick coupling of the present invention with a good sealing effect;
fig. 3 shows a longitudinal cross-sectional view of a quick coupling of the present invention with a good sealing effect;
fig. 4 shows a partial enlarged view of a in fig. 3 of the present invention.
In the figure:
1. a male head; 10. positioning the card; 11. positioning a groove;
2. a female head; 20. accommodating grooves; 21. a through hole;
3. a locking assembly; 31. locking the nut; 32. a locking spring; 33. locking the steel balls; 34. pushing the pushing block;
4. a seal assembly; 41. a first seal ring; 42. a second seal ring;
5. a one-way valve assembly; 51. a traveler; 52. a valve disc; 53. a compression spring; 54. a fixed block; 55. a drainage tray.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings, which illustrate the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1 to 4, the utility model provides a sealed effectual quick-operation joint, include: the locking device comprises a male head 1, a female head 2, a locking assembly 3, a sealing assembly 4 and a one-way valve assembly 5, wherein the male head 1 is matched with the female head 2; the male head 1 is suitable for being inserted into the female head 2; in order to improve the life of public head 1 and female head 2, public head 1 with female head 2 all adopts corrosion-resistant material, preferred public head 1 with female head 2 can be stainless steel material or PVC material or other similar corrosion-resistant materials. The two check valve assemblies 5 are respectively arranged in the male head 1 or the female head 2 in a telescopic manner, and the two check valve assemblies 5 are arranged oppositely; when the male head 1 is inserted into the female head 2, and the locking component 3 is locked and fixed on the male head 1, the ends of the two one-way valve components 5 are abutted, and the two one-way valve components 5 are both in an open state, so that liquid in a pipeline corresponding to the male head 1 flows into a pipeline corresponding to the female head 2.
The locking component 3 is slidably sleeved on the outer wall of the female head 2, and the locking component 3 is linked with the male head 1; the locking component 3 is suitable for locking and fixing the male head 1 and preventing the male head from being separated from the female head 2.
The sealing assembly 4 is fixed in the female head 2, and the side wall and the end wall of the sealing assembly 4 are suitable for abutting against the outer wall and the end wall of the male head 1 for sealing. Sealing assembly 4's setting can improve public head 1 with female 2 sealed effect, simultaneously, the velocity of flow increase or the pressure improvement of the liquid in public head 1 and the female 2, sealing assembly 4's corresponding deformation, in order to improve public head 1 with leakproofness between the female 2 to avoid taking place because of the condition of the oil leak that pressure or fluid speed grow lead to.
In order to improve the stability of the connection between the male head 1 and the female head 2, the male head 1 is hollow, the one-way valve assembly 5 is telescopically arranged in the male head 1, and the end part of the one-way valve assembly 5 protrudes out of the end part of the male head 1; a first sealing block matched with the valve disc 52 is arranged in the male head 1, and when the side wall of the valve disc 52 abuts against the first sealing block, fluid in a pipeline corresponding to the male head 1 cannot flow outwards. A positioning clamp 10 is fixed on the outer wall of the male head 1 along the circumferential direction, and a positioning groove 11 is formed in the positioning clamp 10. The locator card 10 with public first 1 integration sets up, and the setting of locator card 10 has played with locking Assembly 3 complex effect, and when public first 1 inserted female head 2 in, locking steel ball 33 with the lateral wall of constant head tank 11 offsets to play spacing fixed public first 1's effect, public first 1 is close to the external diameter of female head 2's tip is less than the external diameter of locator card 10 department. The lateral wall of locator card 10 with be a right angle stair wall between the outer wall of public first 1 tip, in public first 1 inserts female 2, and public first 1 outer wall and first sealing washer 41 counterbalance, second sealing washer 42 lateral wall and right angle stair wall lateral wall counterbalance, further improvement public first 1 and female between 2 leakproofness.
Preferably, the female head 2 is hollow, an accommodating groove 20 matched with the positioning card 10 is formed in the end part, close to the male head 1, of the female head 2, and the inner diameter of the accommodating groove 20 is larger than that of the female head 2. The inner diameter of the female head 2 is matched with the outer diameter of the male head 1, and the inner diameter of the accommodating groove 20 is matched with the outer diameter of the positioning card 10.
In order to improve the sealing effect, the sealing assembly 4 comprises: a first seal ring 41 and a second seal ring 42, wherein the first seal ring 41 is fixed on the inner wall of the female head 2, and the first seal ring 41 is hollow; one side of the first seal ring 41 facing the sliding column 51 is arc-shaped, the inner wall of the first seal ring 41 protrudes out of the inner wall of the female head 2, when the male head 1 is inserted into the female head 2, the outer wall of the male head 1 presses the first seal ring 41, so that the inner wall of the first seal ring 41 is contracted inwards, and at the moment, the inner wall of the first seal ring 41 is attached to the outer wall of the male head 1; at this time, the air in the first sealing ring 41 flows to the second sealing ring 42, so that the side wall of the second sealing ring 42 is expanded outwards.
When the pushing block 34 pushes the locking steel ball 33 to make it slide inwards to abut against the inner wall of the positioning groove 11, the male head 1 is locked and fixed by the locking component 3; at this time, the side wall of the positioning card 10 abuts against the side wall of the second sealing ring 42; the expanded second sealing ring 42 is squeezed by the locator card 10, so that the second sealing ring 42 contracts inwards, and meanwhile, air is squeezed into the first sealing ring 41, so that the first sealing ring 41 and the second sealing ring 42 are both tightly attached to the outer wall of the male head 1 and the side wall of the locator card 10. The air tightness of the connection between the male head 1 and the female head 2 is greatly improved. The sealing effect is improved. The second sealing ring 42 is fixed on one side of the first sealing ring 41, the second sealing ring 42 is hollow, and the second sealing ring 42 is communicated with the first sealing ring 41; after the outer wall of the end of the male head 1 abuts against the first sealing ring 41, the first sealing ring 41 is extruded to deform, so that the side wall of the second sealing ring 42 abuts against the side wall of the positioning card 10 to seal. In order to improve the stability of the fixing of the first seal ring 41 and the second seal ring 42. The first seal ring 41 and the second seal ring 42 are integrally provided.
In order to improve the locking effect of the male head 1, the locking assembly 3 comprises: the locking nut 31, the locking spring 32 and the locking steel balls 33, and the side wall of the accommodating groove 20 is radially provided with a plurality of through holes 21 matched with the locking steel balls 33; the locking nut 31 is sleeved on the outer wall of the female head 2, and a gap is formed between the locking nut 31 and the outer wall of the female head 2; an ejector block 34 is fixed on the inner wall of the locking nut 31, and the ejector block 34 abuts against the outer wall of the female head 2; the locking spring 32 is sleeved on the outer wall of the female head 2, one end of the locking spring 32 is fixed on the side wall of the pushing block 34, and the other end of the locking spring 32 is fixed on the outer wall of the female head 2; a locking steel ball 33 is correspondingly arranged in the through hole 21, and the locking steel ball 33 is matched with the positioning groove 11. The locking nut 31 is driven to move towards the locking spring 32 to extrude the locking spring 32, the pushing block 34 is separated from the locking steel ball 33, and when the male head 1 is inserted into the female head 2, the side wall of the positioning card 10 pushes the locking steel ball 33 to enable the locking steel ball 33 to slide outwards to abut against the inner wall of the locking nut 31. When the male head 1 is inserted, the external force on the locking nut 31 is released, the locking spring 32 pushes the locking nut 31 to reset, and at the moment, the pushing block 34 extrudes the locking steel balls 33 to slide inwards, so that the locking steel balls 33 are abutted against the inner wall of the positioning groove 11, and the male head 1 is limited and fixed.
Preferably, the one-way valve assembly 5 comprises: the sliding column 51, the valve disc 52, the compression spring 53 and the fixed block 54, the fixed block 54 is fixed in the male head 1 or the female head 2, a second sealing block matched with the valve disc 52 is arranged in the female head 2, and when the side wall of the valve disc 52 abuts against the second sealing block, fluid in a pipeline corresponding to the female head 2 cannot flow outwards. A gap is formed between the fixed block 54 and the inner wall of the male head 1 or the female head 2; a sliding groove matched with the sliding column 51 is formed in the fixed block 54, and the sliding column 51 is arranged in the sliding groove in a sliding manner; the valve disc 52 is sleeved on the outer wall of the sliding column 51, and the valve disc 52 is matched with the male head 1 or the female head 2; one end of the compression spring 53 is fixed on the side wall of the fixed block 54, and the other end of the compression spring 53 is fixed on the side wall of the valve disc 52. When the male head 1 is inserted into the female head 2, the ends of the two valve discs 52 which are oppositely arranged are abutted against each other, and the compression springs 53 are respectively compressed, so that the male head 1 and the female head 2 are respectively in an open state, and at the moment, the liquid in the male head 1 or the liquid in the female head 2 are mutually communicated.
Preferably, the check valve assembly 5 further includes a drainage disc 55, the drainage disc 55 is sleeved on the outer wall of the sliding column 51, the side wall of the drainage disc 55 abuts against the side wall of the valve disc 52, and the drainage disc 55 is in a conical shape. The setting of drainage dish 55, liquid flow in public head 1 is female 2, or when the liquid flow in the female 2 is public head 1, plays the effect that the guide liquid flows, compares liquid direct and the striking of valve disc 52 lateral wall to flow around, the setting of drainage dish 55 has reduced the resistance that liquid received in public head 1 or female 2, has improved the flow velocity of liquid.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a sealed effectual quick-operation joint which characterized in that includes:
the locking device comprises a male head (1), a female head (2), a locking assembly (3), a sealing assembly (4) and a one-way valve assembly (5), wherein the male head (1) is matched with the female head (2);
the two one-way valve components (5) are respectively arranged in the male head (1) or the female head (2) in a telescopic way, and the two one-way valve components (5) are oppositely arranged;
the locking component (3) is sleeved on the outer wall of the female head (2) in a sliding way, and the locking component (3) is linked with the male head (1);
the sealing component (4) is fixed in the female head (2), and the side wall and the end wall of the sealing component (4) are suitable for abutting against the outer wall and the end wall of the male head (1) to seal.
2. A quick coupling with a good sealing effect as claimed in claim 1,
the male head (1) is hollow, a positioning clamp (10) is fixed on the outer wall of the male head (1) along the circumferential direction, and a positioning groove (11) is formed in the positioning clamp (10).
3. A quick coupling with a good sealing effect as claimed in claim 2,
the outer diameter of the end part, close to the female head (2), of the male head (1) is smaller than that of the positioning card (10).
4. A quick connector with good sealing effect as claimed in claim 3,
female head (2) inside cavity, female head (2) are close to the tip of public head (1) seted up one with holding tank (20) of locator card (10) looks adaptation, the internal diameter of holding tank (20) is greater than the internal diameter of female head (2).
5. A quick connector with good sealing effect as claimed in claim 4,
the sealing assembly (4) comprises: the first sealing ring (41) and the second sealing ring (42), the first sealing ring (41) is fixed on the inner wall of the female head (2), and the first sealing ring (41) is hollow;
the second sealing ring (42) is fixed on one side of the first sealing ring (41), the second sealing ring (42) is hollow, and the second sealing ring (42) is communicated with the first sealing ring (41); wherein the content of the first and second substances,
after the outer wall of the end part of the male head (1) abuts against the first sealing ring (41), the first sealing ring (41) is extruded to deform, so that the side wall of the second sealing ring (42) abuts against the side wall of the positioning card (10) to seal.
6. A quick connector with good sealing effect as claimed in claim 5,
the locking assembly (3) comprises: the locking device comprises a locking nut (31), a locking spring (32) and a plurality of locking steel balls (33), wherein a plurality of through holes (21) matched with the locking steel balls (33) are formed in the side wall of the accommodating groove (20) in the radial direction;
the locking nut (31) is sleeved on the outer wall of the female head (2), and a gap is formed between the locking nut (31) and the outer wall of the female head (2);
an ejector block is fixed on the inner wall of the locking nut (31) and abuts against the outer wall of the female head (2);
the locking spring (32) is sleeved on the outer wall of the female head (2), one end of the locking spring (32) is fixed on the side wall of the pushing block, and the other end of the locking spring (32) is fixed on the outer wall of the female head (2);
a locking steel ball (33) is correspondingly arranged in a through hole (21), and the locking steel ball (33) is matched with the positioning groove (11).
7. A quick connector with good sealing effect as claimed in claim 6,
the one-way valve assembly (5) comprises: the sliding valve comprises a sliding column (51), a valve disc (52), a compression spring (53) and a fixing block (54), wherein the fixing block (54) is fixed in the male head (1) or the female head (2), and a gap is formed between the fixing block (54) and the inner wall of the male head (1) or the female head (2);
a sliding groove matched with the sliding column (51) is formed in the fixed block (54), and the sliding column (51) is arranged in the sliding groove in a sliding manner;
the valve disc (52) is sleeved on the outer wall of the sliding column (51), and the valve disc (52) is matched with the male head (1) or the female head (2);
one end of the compression spring (53) is fixed on the side wall of the fixed block (54), and the other end of the compression spring (53) is fixed on the side wall of the valve disc (52).
8. A quick connector with good sealing effect as claimed in claim 7,
the check valve assembly (5) further comprises a drainage disc (55), the drainage disc (55) is sleeved on the outer wall of the sliding column (51), the side wall of the drainage disc (55) is abutted to the side wall of the valve disc (52), and the drainage disc (55) is conical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223275916.7U CN218625921U (en) | 2022-12-07 | 2022-12-07 | Quick joint with good sealing effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223275916.7U CN218625921U (en) | 2022-12-07 | 2022-12-07 | Quick joint with good sealing effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218625921U true CN218625921U (en) | 2023-03-14 |
Family
ID=85453523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223275916.7U Active CN218625921U (en) | 2022-12-07 | 2022-12-07 | Quick joint with good sealing effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218625921U (en) |
-
2022
- 2022-12-07 CN CN202223275916.7U patent/CN218625921U/en active Active
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