CN217286669U - Swift airtight connection structure and peritoneal dialysis device - Google Patents
Swift airtight connection structure and peritoneal dialysis device Download PDFInfo
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- CN217286669U CN217286669U CN202220045225.9U CN202220045225U CN217286669U CN 217286669 U CN217286669 U CN 217286669U CN 202220045225 U CN202220045225 U CN 202220045225U CN 217286669 U CN217286669 U CN 217286669U
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Abstract
The utility model discloses a quick airtight connection structure, which comprises a cavity and an air transmission piece, wherein the air transmission piece is detachably connected with the cavity, the air transmission piece is provided with an air transmission nozzle, the cavity is provided with a connection nozzle, and the connection nozzle can elastically deform relative to the air transmission nozzle; the connecting nozzle comprises an introduction section and a fixed section, the introduction section is communicated with one end of the fixed section, the introduction section is obliquely arranged from an inlet of the connecting nozzle to a joint of the introduction section and the fixed section, and the diameter of the fixed section is smaller than or equal to that of the gas transmission nozzle; the air delivery nozzle is clamped in the cavity through the guide-in section and the fixing section in sequence, and the air delivery nozzle is elastically abutted to the fixing section. Correspondingly, the utility model also provides a peritoneal dialysis device, including above-mentioned swift airtight connection structure. Adopt the utility model discloses, when having the dismouting of being convenient for, have the advantage of better connection steadiness and leakproofness.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a swift airtight connection structure and peritoneal dialysis device.
Background
The existing peritoneal dialysis device is usually connected with a pipeline in a cavity of the peritoneal dialysis device through an air conveying piece of the peritoneal dialysis device so as to push dialysate to the interior of a patient, and the pipeline in the cavity needs to be replaced periodically according to the condition of the patient, so that the air conveying piece needs to be detachably connected with the cavity, and the cavity can be detached and replaced periodically. In order to ensure a tight connection without gas leakage, technicians often need to provide a gasket at the connection between the gas delivery member and the cavity.
However, the gasket is easily damaged and aged, and unreliable connection is easily caused, so that the risk of gas leakage exists. Further, the gasket is prone to dropping when the cavity is replaced and is not easily found after dropping, so that a technician has to replace a new gasket. Moreover, due to the fact that the cavity is replaced regularly, the cavity needs to be connected with the gas transmission piece frequently, damage to the sealing piece is easily caused, and the risk of gas leakage is caused.
Disclosure of Invention
The utility model aims to solve the technical problem that a swift airtight connection structure and peritoneal dialysis device are provided, when the dismouting of can being convenient for, have better connection steadiness and leakproofness.
In order to solve the technical problem, the utility model provides a quick and airtight connecting structure, which comprises a cavity and a gas transmission piece, wherein the gas transmission piece is detachably connected with the cavity,
the gas transmission piece is provided with a gas transmission nozzle, the cavity is provided with a connecting nozzle, and the connecting nozzle can elastically deform relative to the gas transmission nozzle;
the connecting nozzle comprises an introduction section and a fixed section, the introduction section is communicated with one end of the fixed section, the introduction section is obliquely arranged from an inlet of the connecting nozzle to a joint of the introduction section and the fixed section, and the diameter of the fixed section is smaller than or equal to that of the gas transmission nozzle;
the air delivery nozzle is clamped in the cavity through the guide-in section and the fixing section in sequence, and the air delivery nozzle is elastically abutted to the fixing section.
Preferably, a protrusion is arranged in the fixing section, a positioning groove is arranged on the air delivery nozzle, and the fixing section is elastically deformed so that the protrusion is clamped into or separated from the positioning groove.
Preferably, the diameter of the introduction section is gradually reduced from the entrance of the connection nozzle to the connection direction of the introduction section and the fixing section.
Preferably, the connection nozzle further comprises a leading-out section, the leading-out section is communicated with the other end of the fixing section, and the diameter of the leading-out section is gradually increased from the connection position of the leading-out section and the fixing section to the port direction of the leading-out section.
Preferably, the gas transmission nozzle is provided with a fixed conical surface, and the circumference of the fixed conical surface is gradually reduced along the length direction of the gas transmission nozzle; the positioning groove is formed in the fixed conical surface.
Preferably, the quick airtight connection structure further comprises a delivery pipe, and the delivery pipe is communicated with the cavity.
Preferably, swift airtight connection structure still includes the mount pad, cavity and gas transmission spare are all installed on the mount pad, just the cavity with the mount pad is for dismantling the connection.
Preferably, the mounting seat is provided with a through hole, the gas transmission piece is inserted into the through hole, and the through hole and the connecting nozzle are located on the same plane, so that the gas transmission nozzle is inserted into the connecting nozzle.
Correspondingly, the utility model also provides a peritoneal dialysis device, including foretell swift airtight connection structure.
Implement the utility model discloses, following beneficial effect has:
the utility model discloses a gas transmission piece is equipped with gas transmission mouth, the cavity is equipped with the connecting mouth, the connecting mouth can elastically deform relative to the gas transmission mouth, when making the gas transmission mouth insert, the connecting mouth can expand outward, provides the entering space for the gas transmission mouth; and insert the back when the gas transmission mouth, connect the mouth and can take place to kick-back the shrink to according to the shape of connecting the mouth and being connected the mouth and closely laminating, realize having the effect of the firm connection of better leakproofness.
It is specific, the connecting nozzle includes induction section and canned paragraph, the induction section with the one end of canned paragraph is linked together, the gas transmission mouth is in get into in the canned paragraph under the guide effect of induction section to in going into the cavity via the canned paragraph card, wherein, the canned paragraph is the gas transmission mouth of closely laminating, makes gas transmission mouth with canned paragraph elasticity butt, thereby play the fixed action to gas transmission mouth, so that gas transmission mouth is difficult for breaking away from the connecting nozzle. Otherwise, the user accessible extrusion is connected the mode of mouth, makes the fixed section outwards expand to realize the separation effect of gas transmission mouth and connection mouth, so that the dismouting is changed.
Further, the leading-in section by the entrance of connecting the mouth to the junction slope setting of leading-in section and canned paragraph to in guide gas transmission mouth gets into the canned paragraph, the diameter of canned paragraph is less than or equal to the diameter of gas transmission mouth takes place elastic deformation's mode through the canned paragraph, makes the canned paragraph can with gas transmission mouth close fitting, guarantees to connect steadiness and leakproofness.
Drawings
FIG. 1 is a schematic diagram of a quick and tight connection structure of the present invention;
FIG. 2 is a cross-sectional view of the quick connect and hermetic seal configuration of FIG. 1;
fig. 3 is a partially enlarged view of a point a shown in fig. 2.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. Only this statement, the utility model discloses the upper and lower, left and right, preceding, back, inside and outside equidirectional wording that appears or will appear in the text only uses the utility model discloses an attached drawing is the benchmark, and it is not right the utility model discloses a concrete restriction.
Combine fig. 1 to fig. 3, the utility model provides a swift airtight connection structure, including cavity 1 and gas transmission spare 2, gas transmission spare 2 with cavity 1 is for dismantling the connection.
The utility model discloses a gas transmission piece 2 is equipped with gas transmission mouth 21, cavity 1 is equipped with connecting nozzle 11, connecting nozzle 11 is elastically deformable relative to gas transmission mouth 21, when making gas transmission mouth 21 insert, connecting nozzle 11 can expand outward, provides the entering space for gas transmission mouth 21; when the air delivery nozzle 21 is inserted, the connecting nozzle 11 will rebound and contract, and tightly attach to the air delivery nozzle 21 according to the shape of the air delivery nozzle 21, so as to achieve the effect of stable connection with better sealing performance.
Specifically, connecting nozzle 11 includes induction section 111 and canned paragraph 112, induction section 111 with canned paragraph 112's one end is linked together, air transmission mouth 21 is in get into canned paragraph 112 under the guide effect of induction section 111 in to go into in cavity 1 via canned paragraph 112 card, wherein, canned paragraph 112 closely laminates air transmission mouth 21, makes air transmission mouth 21 with canned paragraph 112 elasticity butt, thereby plays the fixed action to air transmission mouth 21, so that air transmission mouth 21 is difficult for breaking away from connecting nozzle 11. On the contrary, the user can press the connection nozzle 11 to expand the fixing section 112 outwards, so as to separate the gas delivery nozzle 21 from the connection nozzle 11, thereby facilitating the disassembly and replacement.
Further, with reference to fig. 2 and 3, the introduction section 111 is set up by the entrance of the connection nozzle 11 to the connection between the introduction section 111 and the fixing section 112 is inclined, so as to guide the air delivery nozzle 21 to enter the fixing section 112, the diameter of the fixing section 112 is smaller than or equal to the diameter of the air delivery nozzle 21, and the fixing section 112 can be tightly attached to the air delivery nozzle 21 in an elastic deformation manner of the fixing section 112, thereby ensuring connection stability and sealing performance.
It should be noted that, different from the way that the sealing gasket is needed to be arranged in the previous peritoneal dialysis device, the product can realize the sealing effect only by directly inserting the gas transmission nozzle 21 into the connecting nozzle 11, and the connecting nozzle 11 arranged on the cavity 1 can be replaced along with the cavity 1 to ensure the long-term connection stability because the cavity 1 can be replaced regularly.
Further, referring to fig. 1 to fig. 3 again, in order to make the connection between the air delivery nozzle 21 and the fixing section 112 more stable, a protrusion 114 is disposed in the fixing section 112, a positioning groove 212 is disposed on the air delivery nozzle 21, the fixing section 112 is elastically deformed to expand outward, so that the protrusion 114 can move to the positioning groove 212 along the connection nozzle 11, and at this time, the fixing section 112 rebounds and contracts to further clamp the protrusion 114 into the positioning groove 212, thereby achieving the positioning effect of the air delivery nozzle 21 in the fixing section 112; conversely, the technician only needs to expand the fixing section 112 outward again, and the protrusion 114 can be separated from the positioning groove 212, so as to separate the air delivery nozzle 21 from the fixing section 112. The diameter of the introduction section 111 is gradually reduced from the entrance of the connection nozzle 11 to the connection direction of the introduction section 111 and the fixed section 112, so that the gas delivery nozzle 21 can move along the introduction section 111 into the fixed section 112, thereby achieving the guiding effect of the gas delivery nozzle 21.
Preferably, for avoiding the excessive butt of canned paragraph 112 and gas transmission mouth 21, lead to gas transmission mouth 21 to be extruded, connector 11 still includes derivation section 113, derivation section 113 with canned paragraph 112's the other end is linked together, makes gas transmission mouth 21 go into via induction section 111, canned paragraph 112 and derivation section 113 card in proper order in the cavity 1, just the diameter of derivation section 113 by derivation section 113 and canned paragraph 112's junction to derivation section 113's port direction increases gradually to dodge gas transmission mouth 21, and then guarantee to connect firmly. Preferably, the quick and tight connection structure further comprises a delivery pipe 12, and the delivery pipe 12 is communicated with the cavity 1.
On the other hand, for further facilitating the disassembly and assembly, the gas transmission nozzle 21 is provided with a fixing conical surface 211, and the circumference of the fixing conical surface 211 is gradually reduced along the length direction of the gas transmission nozzle 21, so that the gas transmission nozzle 21 is clamped into the fixing section 112 through the fixing conical surface 211, or is separated from the fixing section 112. Wherein, the positioning groove 212 is provided on the fixing taper 211 so that the protrusion 114 is snapped in.
In addition, combine fig. 1 and fig. 2, for making cavity 1 and gas transmission piece 2 mountable on peritoneal dialysis device, swift airtight connection structure still includes mount pad 3, cavity 1 and gas transmission piece 2 are all installed on mount pad 3, just cavity 1 with mount pad 3 is for dismantling the connection to the periodic replacement of cavity 1 is convenient for. Preferably, the mounting seat 3 is provided with a through hole 31, the gas transmission piece 2 is inserted into the through hole 31, and the through hole 31 and the connecting nozzle 11 are located on the same plane, so that the gas transmission nozzle 21 can be inserted into the connecting nozzle 11.
Because the peritoneal dialysis device of this disclosure embodiment has included the swift airtight connection structure of any preceding embodiment, consequently, the peritoneal dialysis device of this disclosure embodiment possesses the technological effect that the swift airtight connection structure of any preceding embodiment brought, so, the specific technological effect of the peritoneal dialysis device of this disclosure embodiment can refer to the technological effect of the swift airtight connection structure of any preceding embodiment, and it is no longer repeated here.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (9)
1. A quick airtight connection structure comprises a cavity and an air transmission piece, wherein the air transmission piece is detachably connected with the cavity,
the gas transmission piece is provided with a gas transmission nozzle, the cavity is provided with a connecting nozzle, and the connecting nozzle can elastically deform relative to the gas transmission nozzle;
the connecting nozzle comprises an introduction section and a fixed section, the introduction section is communicated with one end of the fixed section, the introduction section is obliquely arranged from an inlet of the connecting nozzle to a joint of the introduction section and the fixed section, and the diameter of the fixed section is smaller than or equal to that of the gas transmission nozzle;
the air delivery nozzle is clamped in the cavity through the guide-in section and the fixing section in sequence, and the air delivery nozzle is elastically abutted to the fixing section.
2. The quick airtight connection structure of claim 1, wherein a protrusion is disposed in the fixing section, and a positioning groove is disposed on the air delivery nozzle, so that the protrusion is engaged with or disengaged from the positioning groove by elastic deformation of the fixing section.
3. The quick airtight connection structure according to claim 1, wherein the diameter of said introduction section is gradually reduced from the entrance of said connection nozzle toward the connection direction of said introduction section and said fixed section.
4. The quick and easy airtight connection structure of claim 1, wherein said connection mouth further comprises a leading-out section, said leading-out section is communicated with the other end of said fixed section, and the diameter of said leading-out section is gradually increased from the connection position of said leading-out section and said fixed section to the direction of the port of said leading-out section.
5. The quick airtight connection structure according to claim 2, wherein said gas nozzle is provided with a fixing taper surface, the circumference of said fixing taper surface is gradually reduced along the length direction of said gas nozzle; the positioning groove is formed in the fixed conical surface.
6. The quick connect and seal mechanism of claim 1, further comprising a delivery tube in communication with said chamber.
7. The quick hermetic connecting structure according to claim 1, further comprising a mounting seat, wherein the cavity and the gas transmission member are both mounted on the mounting seat, and the cavity is detachably connected to the mounting seat.
8. The quick connect-closeable structure as recited in claim 7, wherein said mounting seat is provided with a through hole, said gas delivery member is inserted into said through hole, and said through hole and said connection nozzle are located on the same plane, so that said gas delivery nozzle is inserted into said connection nozzle.
9. Peritoneal dialysis device comprising a quick-action leaktight connection according to any of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220045225.9U CN217286669U (en) | 2022-01-10 | 2022-01-10 | Swift airtight connection structure and peritoneal dialysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220045225.9U CN217286669U (en) | 2022-01-10 | 2022-01-10 | Swift airtight connection structure and peritoneal dialysis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217286669U true CN217286669U (en) | 2022-08-26 |
Family
ID=82925822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220045225.9U Active CN217286669U (en) | 2022-01-10 | 2022-01-10 | Swift airtight connection structure and peritoneal dialysis device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217286669U (en) |
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2022
- 2022-01-10 CN CN202220045225.9U patent/CN217286669U/en active Active
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