CN219755676U - Gas terminal - Google Patents
Gas terminal Download PDFInfo
- Publication number
- CN219755676U CN219755676U CN202320480138.0U CN202320480138U CN219755676U CN 219755676 U CN219755676 U CN 219755676U CN 202320480138 U CN202320480138 U CN 202320480138U CN 219755676 U CN219755676 U CN 219755676U
- Authority
- CN
- China
- Prior art keywords
- pipe
- connecting pipe
- channel
- lock
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000011324 bead Substances 0.000 claims abstract description 40
- 238000009423 ventilation Methods 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 239000008358 core component Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 3
- 238000010168 coupling process Methods 0.000 claims 3
- 238000005859 coupling reaction Methods 0.000 claims 3
- 238000013022 venting Methods 0.000 claims 1
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 34
- 230000006872 improvement Effects 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model discloses a gas terminal, which comprises an air inlet seat provided with an air inlet channel and a connecting pipe end, wherein the connecting pipe end is provided with a connecting pipe channel, and the connecting pipe channel is communicated with the air inlet channel; the pipe connecting end is sleeved with a detachable pipe-shaped limiting cover, and the pipe-shaped limiting cover is provided with a limiting socket; a lock ring and a lock bead are arranged in the connecting pipe channel, the lock ring is provided with a through hole for placing the lock bead, and an unlocking groove for the lock bead to retract is formed in the inner wall of the connecting pipe channel; the tubular limiting cover is provided with a detachable connecting piece, and the tubular limiting cover is connected with the locking ring through the connecting piece; the connecting pipe end is provided with a travel hole for the connecting piece to pass through; the connecting pipe end is provided with an elastic piece for jacking the pipe-shaped limiting cover so as to enable the lock beads to be far away from the unlocking groove. By adopting the utility model, the insertion of the preset gas receiving pipe can be limited, so that the wrong connection operation of the port is avoided, and the limitation requirement of the gas receiving pipe is easy to replace.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a gas terminal.
Background
The existing medical gas terminals are generally universal ports for plugging and using with common gas connection pipes, and in an application environment with high requirements, a plurality of gas terminals are generally reserved for providing oxygen, air, negative pressure and other use requirements respectively. However, in practice, in the subsequent use based on the application environment, the supply function of the pneumatic terminal often needs to be changed, for example, the terminal for supplying air is changed into a pipeline for introducing oxygen, so that the terminal is changed.
Disclosure of Invention
The technical problem to be solved by the embodiment of the utility model is to provide a gas terminal which can limit the insertion of a preset gas receiving pipe so as to avoid the wrong connection operation of a port and easily replace the limit requirement of the gas receiving pipe.
In order to solve the technical problems, the embodiment of the utility model provides a gas terminal, which comprises an air inlet seat provided with an air inlet channel and a connecting pipe end, wherein the connecting pipe end is provided with a connecting pipe channel for being connected with an external air connecting pipe, and the connecting pipe end is in butt joint with the air inlet seat so as to enable the connecting pipe channel to be communicated with the air inlet channel;
the pipe connecting end is sleeved with a detachable pipe-shaped limiting cover, and the pipe-shaped limiting cover is provided with a limiting socket for only inserting a preset pipe-shaped gas connecting pipe;
a lock ring and a lock bead for buckling the gas receiving pipe are arranged in the pipe connecting channel, the lock ring is provided with a through hole for placing the lock bead, and the inner wall of the pipe connecting channel is provided with an unlocking groove for the lock bead to retract in;
the tubular limiting cover is provided with a detachable connecting piece and is connected with the locking ring through the connecting piece so as to drive the locking ring to move up and down;
the connecting pipe end is provided with a travel hole for the connecting piece to pass through so as to limit the moving range of the connecting piece;
the connecting pipe end is provided with an elastic piece for jacking the pipe-shaped limiting cover so as to enable the lock beads to be far away from the unlocking groove.
As an improvement of the above scheme, the side wall of the tubular limiting cover and the side wall of the locking ring are respectively provided with connecting holes corresponding to each other for connecting the connecting pieces.
As an improvement of the scheme, the side wall of the connecting pipe channel is provided with a positioning groove used for limiting the locking ring to rotate, and the locking ring is provided with a positioning part matched with the positioning groove, so that after the positioning part is inserted into the positioning groove, the connecting hole of the locking ring corresponds to the travel hole.
As an improvement of the above scheme, the tubular limiting cover is provided with a shielding surrounding edge for shielding the elastic piece, and a movable space for the elastic piece to stretch and retract is formed between the shielding surrounding edge and the outer wall of the connecting pipe end.
As an improvement of the scheme, the limited socket is round, oval or polygonal.
As an improvement of the scheme, the connecting pipe passage comprises a locking pipe section, a connecting pipe section and a ventilation pipe section, wherein the locking pipe section, the connecting pipe section and the ventilation pipe section are used for connecting the air inlet passage;
and a valve core component used for controlling the on-off of the air inlet channel is arranged in the ventilation pipe section.
As an improvement of the above scheme, the valve core assembly comprises a movable valve core and a valve core spring, and the movable valve core blocks the joint pipe section through the valve core spring.
As an improvement of the scheme, the movable valve core comprises a plugging part for plugging the joint pipe section, a sealing thread part and a guide ventilation column, the air inlet seat is provided with a guide port for inserting the guide ventilation column, the guide port is communicated with the air inlet channel, and the valve core spring is sleeved on the guide port;
the guide port is provided with the internal thread matched with the sealing thread part;
the guide ventilation column is provided with a communication channel for communicating the connecting pipe channel and the air inlet channel.
As an improvement of the above-mentioned scheme, the top end of the plugging portion is provided with a knob portion for interfacing with an external tool to rotate the seal screw portion.
As an improvement of the scheme, the tubular limiting cover is sleeved with a protecting cover, and the protecting cover is provided with an opening for exposing the limiting socket;
the side wall of the protective cover shields the connecting hole of the tubular limiting cover so as to limit the connecting piece to be separated from the connecting hole.
The implementation of the utility model has the following beneficial effects:
the embodiment of the utility model discloses a gas terminal, which comprises an air inlet seat provided with an air inlet channel and a connecting pipe end, wherein the connecting pipe end is provided with a connecting pipe channel, and the connecting pipe end is in butt joint with the air inlet seat so as to enable the connecting pipe channel to be communicated with the air inlet channel;
the pipe connecting end is sleeved with a detachable pipe-shaped limiting cover, and the pipe-shaped limiting cover is provided with a limiting socket for only inserting a gas connecting pipe with a preset pipe shape, so that the gas connecting pipe which is not in line with the limiting socket can be limited to be inserted.
The connecting pipe channel is internally provided with a lock ring and a lock bead for buckling the gas receiving pipe, the lock ring is provided with a through hole for placing the lock bead, and the inner wall of the connecting pipe channel is provided with an unlocking groove for the lock bead to retract in; the connecting pipe end is provided with an elastic piece for jacking the pipe-shaped limiting cover so as to enable the lock beads to be far away from the unlocking groove. Therefore, when the matched gas receiving pipe passes through the limiting socket, the gas receiving pipe is firstly abutted against the lock beads to press down the lock ring, so that the lock beads are lowered to the unlocking groove and are contracted into the unlocking groove, the limiting rings of the plug-in pipe can pass over the lock beads, after the lock beads lose the downward pressing of the limiting rings, the lock beads are lifted under the action of the elastic piece, the lock beads are ejected again to limit the plug-in pipe to be pulled away, and the lock connection of the plug-in pipe is completed.
The tubular limiting cover is provided with a detachable connecting piece, and the tubular limiting cover is connected with the locking ring through the connecting piece so as to drive the locking ring to move up and down, so that when the limiting requirement of the gas receiving pipe needs to be replaced, the tubular limiting cover can be replaced only by removing the connecting piece.
Drawings
FIG. 1 is a perspective view of a gas terminal of the present utility model;
FIG. 2 is an exploded schematic view of the gas terminal of the present utility model;
fig. 3 is a schematic cross-sectional view of a gas terminal of the present utility model.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.
Referring to fig. 1, 2 and 3, an embodiment of the present utility model provides a gas terminal, including an air inlet seat 1 provided with an air inlet channel 11 and a connection pipe end 2, wherein the connection pipe end 2 is provided with a connection pipe channel 21 for connecting an external connection pipe, the connection pipe end 2 is in butt joint with the air inlet seat 1 so that the connection pipe channel 21 is communicated with the air inlet channel 11, and the connection pipe end 2 can be detachably connected with the air inlet seat 1 through a flange ring structure by using bolts.
Wherein, the pipe end 2 is sleeved with a detachable pipe-shaped limiting cover 3, the pipe-shaped limiting cover 3 is provided with a limiting socket 31 for only inserting a gas pipe of a preset pipe shape, and the limiting socket 31 can be circular, elliptic or polygonal and the like for the opening shape of the limiting socket 31 so as to limit the insertion of different gas pipes.
A lock ring 4 and a lock bead 5 for buckling the gas receiving pipe are arranged in the pipe connecting channel 21, the lock ring 4 is provided with a through hole 41 for placing the lock bead 5, and an unlocking groove 22 for allowing the lock bead 5 to retract is formed in the inner wall of the pipe connecting channel 21;
the tubular limiting cover 3 is provided with a detachable connecting piece 6, and the tubular limiting cover 3 is connected with the locking ring 4 through the connecting piece 6 so as to drive the locking ring 4 to move up and down;
the connecting pipe end 2 is provided with a travel hole 23 for the connecting piece 6 to pass through so as to limit the movable range of the connecting piece 6;
the nipple end 2 is provided with an elastic member 24 for lifting up the tubular defining cap 3 so that the locking bead 5 is away from the unlocking groove 22. The port of the existing gas receiving pipe is generally provided with a limiting ring for the locking bead 5 to buckle, so when the conforming gas receiving pipe passes through the limiting socket 31, the conforming gas receiving pipe is firstly abutted against the locking bead 5 to press down the locking ring 4, so that the locking bead 5 is lowered to the unlocking groove 22 and is retracted into the unlocking groove 22, the limiting ring of the gas receiving pipe can pass over the locking bead 5, after the locking bead 5 loses the pressing of the limiting ring, the locking bead 5 is lifted under the action of the elastic piece 24, and the locking bead 5 is ejected again to limit the gas receiving pipe to be pulled away, thereby completing the locking of the gas receiving pipe. Correspondingly, the diameter of the lock bead 5 is larger than the wall thickness of the lock ring 4, and the upper side wall of the unlocking groove 22 is obliquely arranged so as to guide the lock bead 5 to detach from the lock groove 22 in the ascending process of the lock ring 4. Preferably, the depth of the unlocking groove 22 is smaller than the radius of the locking bead 5, so as to facilitate the locking bead to be separated from the unlocking groove 22.
Specifically, the side wall of the tubular limiting cover 3 and the side wall of the locking ring 4 are respectively provided with corresponding connecting holes a for connecting the connecting pieces 6, and the connecting pieces 6 are preferably bolts which sequentially pass through the connecting holes of the tubular limiting cover 3, the travel holes 23 and the connecting holes of the locking ring 4. The connecting hole of the locking ring 4 is preferably a screw hole in threaded connection with the bolt. The stroke hole 23 can limit the pipe-shaped limiting cover 3 to be separated from the pipe connecting end 2, and the lowest height of the locking ring 4 can be limited by the stroke hole 23, so that when the locking ring 4 is lowered to the lowest position, the locking beads 5 are correspondingly arranged with the unlocking groove 22, and the locking beads 5 can be smoothly pressed into the unlocking groove 22.
Further, the sidewall of the connecting pipe passage 21 is provided with a positioning groove 25 for limiting the rotation of the locking ring 4, and the locking ring 4 is provided with a positioning portion 42 adapted to the positioning groove 25, so that after the positioning portion 42 is inserted into the positioning groove 25, the connecting hole of the locking ring 4 corresponds to the travel hole 23, thereby facilitating the installation of the connecting piece 6.
Moreover, the tubular limiting cover 3 is sleeved with a protecting cover 7, and the protecting cover 7 is provided with an opening 71 for exposing the limiting socket 31 so as to ensure the normal plugging use of the limiting socket 31. On the other hand, the side wall of the protective cover 7 shields the connection hole of the tubular limiting cover 3 so as to limit the connection piece 6 from being separated from the connection hole, so that the connection piece 6 can be quickly installed by adopting a T-shaped plug-in connector without threaded connection, such as a pin.
Moreover, the tubular limiting cover 3 is provided with a shielding surrounding edge 32 for shielding the elastic member 24, a movable space B for the elastic member 24 to stretch and retract is formed between the shielding surrounding edge 32 and the outer wall of the connecting pipe end 2, the elastic member 24 can be a high-elasticity rubber sleeve, a spring or the like, preferably, the elastic member 24 is a return spring, and the return spring is sleeved on the connecting pipe end 2.
In order to limit the gas output in the non-use state, the connecting pipe passage 21 comprises a locking pipe section 21a, a connecting pipe section 21b and a ventilation pipe section 21c, wherein the locking pipe section 21a, the connecting pipe section 21b and the ventilation pipe section 21c are used for connecting the gas inlet passage 11, and a valve core assembly used for controlling the on-off of the gas inlet passage 11 is arranged in the ventilation pipe section 21 c. In detail, the spool assembly includes a movable spool 8 and a spool spring 9, the movable spool 8 blocking the engagement spool section 21b by the spool spring 9.
In order to facilitate maintenance, the air inlet seat 1 is prevented from continuously spraying air outwards in the maintenance process. The movable valve core 8 comprises a blocking part 8a for blocking the connecting pipe section 21b, a sealing thread part 8b and a guiding ventilation column 8c, and the air inlet seat 1 is provided with a guiding port 12 for inserting the guiding ventilation column 8c so as to guide the movable valve core 8 to move up and down. The guide port 12 is communicated with the air inlet channel 11, and the valve core spring 81 is sleeved on the guide port 12; the side wall of the guide vent column 8c is provided with a communication passage 81c for communicating the take-over passage 21 and the intake passage 11. The guide port 12 is provided with an internal thread which is matched with the sealing thread part 8 b; therefore, when maintenance is required, the movable valve element 8 can be continuously pressed down, and the threaded sealing portion 8b seals the air inlet channel 11 in a threaded connection sealing manner. So that the adapter end 2 and its associated components, such as the locking collar 4 and the locking bead 5, etc., can be replaced.
Further, in order to facilitate rotation of the movable valve core 8, a tip of the blocking portion 8a is provided with a knob portion 81 for interfacing with an external tool to rotate the seal thread portion 8b. The knob 81 is preferably a cross slot or a straight slot for driving a screwdriver.
While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the utility model, such changes and modifications are also intended to be within the scope of the utility model.
Claims (10)
1. The gas terminal is characterized by comprising an air inlet seat provided with an air inlet channel and a connecting pipe end, wherein the connecting pipe end is provided with a connecting pipe channel for being connected with an external air connecting pipe, and the connecting pipe end is in butt joint with the air inlet seat so as to enable the connecting pipe channel to be communicated with the air inlet channel;
the pipe connecting end is sleeved with a detachable pipe-shaped limiting cover, and the pipe-shaped limiting cover is provided with a limiting socket for only inserting a preset pipe-shaped gas connecting pipe;
a lock ring and a lock bead for buckling the gas receiving pipe are arranged in the pipe connecting channel, the lock ring is provided with a through hole for placing the lock bead, and the inner wall of the pipe connecting channel is provided with an unlocking groove for the lock bead to retract in;
the tubular limiting cover is provided with a detachable connecting piece and is connected with the locking ring through the connecting piece so as to drive the locking ring to move up and down;
the connecting pipe end is provided with a travel hole for the connecting piece to pass through so as to limit the moving range of the connecting piece;
the connecting pipe end is provided with an elastic piece for jacking the pipe-shaped limiting cover so as to enable the lock beads to be far away from the unlocking groove.
2. The gas terminal of claim 1, wherein the sidewall of the tubular defining cap and the sidewall of the locking ring are each provided with a coupling hole corresponding to each other for coupling the coupling members, respectively.
3. The gas terminal according to claim 2, wherein a sidewall of the connection pipe passage is provided with a positioning groove for restricting rotation of the locking ring, and the locking ring is provided with a positioning portion adapted to the positioning groove such that the connection hole of the locking ring corresponds to the stroke hole after the positioning portion is inserted into the positioning groove.
4. The gas terminal of claim 1, wherein the tubular defining cover is provided with a shielding surrounding edge for shielding the elastic member, and a movable space for telescopic movement of the elastic member is formed between the shielding surrounding edge and the outer wall of the connecting pipe end.
5. The gas terminal of claim 1, wherein the limited socket is circular, oval or polygonal.
6. The gas terminal of claim 1, wherein the take-over passage comprises a lock tube section for mounting the lock ring, a tie tube section, and a vent tube section for venting the gas inlet passage in sequential communication;
and a valve core component used for controlling the on-off of the air inlet channel is arranged in the ventilation pipe section.
7. The gas terminal of claim 6, wherein the spool assembly comprises a movable spool and a spool spring, the movable spool blocking the engaged spool segment by the spool spring.
8. The gas terminal of claim 7, wherein the movable valve core comprises a plugging part for plugging the joint pipe section, a sealing thread part and a guiding ventilation column, the gas inlet seat is provided with a guiding port for inserting the guiding ventilation column, the guiding port is communicated with the gas inlet channel, and the valve core spring is sleeved on the guiding port;
the guide port is provided with an internal thread matched with the sealing thread part;
the guide ventilation column is provided with a communication channel for communicating the connecting pipe channel and the air inlet channel.
9. The gas terminal of claim 8, wherein a tip of the blocking portion is provided with a knob portion for interfacing with an external tool to rotate the sealing thread portion.
10. The gas terminal of claim 2, wherein the tubular confinement cover is sleeved with a protective cover provided with an opening for exposing the confinement socket;
the side wall of the protective cover shields the connecting hole of the tubular limiting cover so as to limit the connecting piece to be separated from the connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320480138.0U CN219755676U (en) | 2023-03-13 | 2023-03-13 | Gas terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320480138.0U CN219755676U (en) | 2023-03-13 | 2023-03-13 | Gas terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219755676U true CN219755676U (en) | 2023-09-26 |
Family
ID=88074998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320480138.0U Active CN219755676U (en) | 2023-03-13 | 2023-03-13 | Gas terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219755676U (en) |
-
2023
- 2023-03-13 CN CN202320480138.0U patent/CN219755676U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |