CN220688748U - Residual discharging mechanism of LPG small storage tank - Google Patents
Residual discharging mechanism of LPG small storage tank Download PDFInfo
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- CN220688748U CN220688748U CN202322426705.7U CN202322426705U CN220688748U CN 220688748 U CN220688748 U CN 220688748U CN 202322426705 U CN202322426705 U CN 202322426705U CN 220688748 U CN220688748 U CN 220688748U
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- 238000007599 discharging Methods 0.000 title claims abstract description 36
- 230000007246 mechanism Effects 0.000 title claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 84
- 239000010865 sewage Substances 0.000 claims abstract description 63
- 238000007789 sealing Methods 0.000 claims description 46
- 230000009471 action Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model relates to a residual discharging mechanism of an LPG small storage tank, which comprises a sewage pipeline communicated with the inner cavity of a tank body, wherein an on-off assembly for controlling the opening or closing of the sewage pipeline is arranged on the sewage pipeline, and the residual discharging mechanism also comprises a control assembly which is connected with the sewage pipeline in a matched manner and is used for controlling the sewage flow of the sewage pipeline. The small storage tank has emergency in the use process, residual liquid in the storage tank needs to be discharged, or a small amount of residual liquid (heavy components, moisture and the like which are not easy to volatilize in LPG) can be deposited at the bottom of the tank after long-time use, so that a sewage drain pipe is arranged at the bottom of the small storage tank, and a liquid filling gun with a pump tank truck with a recovery function is abutted (the residual liquid in the storage tank is pumped by the liquid filling gun and the pump tank truck).
Description
Technical Field
The utility model relates to an LPG small-sized storage tank, in particular to a residual discharging mechanism of the LPG small-sized storage tank.
Background
The emergency situation occurs in the use process of the small storage tank, residual liquid in the storage tank needs to be discharged, or a small amount of residual liquid (heavy components, moisture and the like which are not easy to volatilize in LPG) can be deposited at the bottom of the tank after long-time use; an automatic residual liquid discharging gas storage tank as disclosed in Chinese patent number 201510778578.4; the bottom of the tank body is provided with a sewage outlet which is connected with a sewage pipe, the sewage outlet is provided with an electromagnetic valve, and automatic sewage is realized through the on-off of the electromagnetic valve; residual liquid in the storage tank is discharged and needs to be matched with a tank truck with a pump, such as an intelligent micro-pipe network intrinsic safety type remote combined control liquefied fuel residue discharging method disclosed in Chinese patent number 202310524726.4; the tank truck with the pump is connected with a liquid filling gun on the sewage pipe, and the flow of sewage liquid needs to be effectively controlled. However, as disclosed in chinese patent No. 201510778578.4, an air storage tank for automatically discharging residual liquid is provided with only one electromagnetic valve on a sewage drain, so that the flow rate of the sewage cannot be effectively controlled.
Disclosure of Invention
The utility model aims to provide a residual discharging mechanism of an LPG small storage tank, which is provided with a control assembly which is connected with a sewage pipeline in a matching way and is used for controlling the sewage flow of the sewage pipeline, so that the sewage flow of the sewage pipeline is effectively controlled, and the residual discharging mechanism has an overcurrent protection function.
The purpose of the utility model is realized in the following way:
the utility model provides a incomplete mechanism of row of small-size storage tank of LPG, includes the blow off pipeline of intercommunication jar body inner chamber, is equipped with on the blow off pipeline and is used for controlling the break-make assembly that the blow off pipeline opened or closed, and the incomplete mechanism of row still includes to be connected with the blow off pipeline cooperation to be used for controlling the control assembly of blow off pipeline blowdown flow.
The small storage tank has emergency in the use process, residual liquid in the storage tank needs to be discharged, or a small amount of residual liquid (heavy components, moisture and the like which are not easy to volatilize in LPG) can be deposited at the bottom of the tank after long-time use, so that a sewage drain pipe is arranged at the bottom of the small storage tank, and a liquid filling gun with a pump tank truck with a recovery function is abutted (the residual liquid in the storage tank is pumped by the liquid filling gun and the pump tank truck).
The residual discharging mechanism of the LPG small-sized storage tank further comprises a one-way valve for preventing liquid from entering the inner cavity of the tank body along the sewage pipeline; the check valve is located between the on-off assembly and the control assembly, and one end of the check valve is connected with the control assembly. Check valve function: the medium can only be discharged from the tank to the outside, prohibiting filling of the tank.
The sewage drain is provided with a connecting flange for installing the on-off assembly, the control assembly comprises a switch valve arranged on the connecting flange, one end of the connecting flange is connected with the sewage drain, and the other end of the connecting flange is connected with the one-way valve.
The control assembly comprises a blow-down valve connected with the one-way valve, and the blow-down valve is provided with a flow limiting device and/or a self-closing device.
Flow limiting device of blow-down valve has overcurrent protection function, and overcurrent protection value is 10m 3 And/h (under the pressure difference of 0.35 MPa), and the liquid pumping rate is not more than 3m/s when the residual discharging operation is carried out.
The self-closing device of the blow-down valve has mechanical self-closing and sealing functions, is matched with a liquid filling gun for use, can effectively prevent medium leakage, and avoids illegal drainage and safety hazard.
The blow-down valve comprises a valve body, a flow-limiting cavity is arranged on the valve body, the flow-limiting device comprises a flow-limiting valve core which is arranged on the flow-limiting cavity in a reciprocating motion way, the flow-limiting valve core is inserted into the flow-limiting cavity, a sealing part is arranged on the flow-limiting valve core, the flow-limiting valve core has a first position state and a second position state,
when the flow limiting valve core is in a first position state, the sealing part is far away from the liquid inlet end of the flow limiting cavity; when the flow limiting valve core is in the second position state, the sealing part is close to the liquid inlet end of the flow limiting cavity.
The flow limiting valve core is also provided with a first elastic piece, one end of the first elastic piece is abutted against the sealing part, and the other end of the first elastic piece is abutted against the outer side of the flow limiting cavity;
the first elastic piece is a spring;
when the liquid flow rate of the sewage drain pipe is smaller than the elasticity of the first elastic piece acting on the sealing part, a liquid inlet gap is reserved between the sealing part and the liquid inlet end of the flow limiting cavity; when the liquid flow speed pressure of the sewage drain pipe is greater than the elasticity of the first elastic piece acting on the sealing part, the sealing part is close to the liquid inlet end of the flow-limiting cavity along the liquid inlet gap, so that the liquid inlet gap between the sealing part and the liquid inlet end of the flow-limiting cavity is reduced, and flow limiting is realized.
The limiting valve core is provided with a limiting part far away from the liquid outlet end of the limiting cavity, the maximum outer diameter of the limiting part is larger than the inner diameter of the liquid outlet end of the limiting cavity, and the limiting valve core is limited in a reciprocating mode on the limiting cavity through the sealing part and the limiting part.
The valve body is provided with a self-closing cavity, the self-closing device comprises a self-closing valve core which is arranged on the self-closing cavity in an elastic reciprocating motion manner, the self-closing valve core is provided with a second elastic piece, and the second elastic piece is a spring;
the self-closing valve core is provided with a first position state and a second position state, is in the first position state when the second elastic piece releases the elastic force, and seals the liquid outlet end of the self-closing cavity;
the self-closing valve core is in a second position state when compressing the second elastic piece under the action of external force, and opens the liquid outlet end of the self-closing cavity. When the liquid filling gun is inserted into the self-closing cavity and pushes the self-closing valve core open, the second elastic piece is in a compressed state.
The blow-down valve comprises a valve body, and a flow limiting cavity and a self-closing cavity which are communicated with each other are arranged on the valve body; the current limiting device comprises a current limiting valve core which is arranged on the current limiting cavity in a reciprocating mode, the current limiting valve core is inserted into the current limiting cavity, a sealing part is arranged on the current limiting valve core, and one end of the current limiting valve core is provided with a first magnet;
the self-closing device comprises a self-closing valve core which is elastically and reciprocally arranged on the self-closing cavity, and one end of the self-closing valve core is provided with a second magnet;
the flow limiting valve core has a first position state and a second position state; the flow limiting valve core is in a first position state through acting force between the first magnet and the second magnet, and the sealing part is far away from the liquid inlet end of the flow limiting cavity;
when the liquid flow velocity pressure of the sewage drain is greater than the acting force between the first magnet and the second magnet, the sealing part is close to the liquid inlet end of the flow limiting cavity. The repulsive force of the two magnets is used for replacing the first elastic piece, so that the service life of the current limiting device is effectively prolonged.
A supporting seat is arranged below the corresponding control assembly and the on-off assembly below the sewage pipeline, a liquid receiving structure is arranged on the supporting seat, and a supporting part for supporting the pipeline externally connected with the control assembly is arranged on the supporting seat; the bottom of the tank body is provided with a sewage outlet connected with a sewage pipeline.
The supporting part is assembled and disassembled on the supporting seat and mainly fixes the externally connected liquid filling gun.
In the residual discharging process, the liquid leakage phenomenon can occur on the connecting pipeline between the control assembly and the on-off assembly due to the aging of the sealing part of the pipeline in the upper period of use state, so that the supporting seat is arranged below the control assembly and the on-off assembly, and the liquid receiving structure is arranged on the supporting seat so as to load the liquid leakage and avoid the leakage of the discharged residual liquid leakage.
The beneficial effects of the utility model are as follows:
the residual discharging mechanism is provided with the control assembly which is matched and connected with the sewage discharging pipeline and is used for controlling the sewage discharging flow of the sewage discharging pipeline, so that the sewage discharging flow of the sewage discharging pipeline is effectively controlled, and the residual discharging mechanism has an overcurrent protection function. The residual discharging mechanism has the functions of cut-off, check, self-closing and overcurrent protection through the arrangement.
Drawings
FIG. 1 is a schematic view of a storage tank according to an embodiment of the present utility model.
FIG. 2 is a schematic diagram of a blow-down valve according to an embodiment of the utility model.
Fig. 3 is a schematic structural view of a bearing support according to an embodiment of the present utility model.
Detailed Description
The utility model is further described below with reference to the drawings and examples.
First embodiment
Referring to fig. 1-3, the residual discharging mechanism of the LPG small storage tank comprises a sewage pipeline 2 communicated with the inner cavity of the tank body 1, wherein an on-off assembly for controlling the opening or closing of the sewage pipeline 2 is arranged on the sewage pipeline 2, and the residual discharging mechanism also comprises a control assembly which is connected with the sewage pipeline 2 in a matched manner and is used for controlling the sewage flow of the sewage pipeline 2.
The residual discharging mechanism of the LPG small-sized storage tank also comprises a one-way valve 3 for preventing liquid from entering the inner cavity of the tank body 1 along the sewage pipeline 2; the one-way valve 3 is positioned between the on-off assembly and the control assembly, one end of the one-way valve 3 is connected with the control assembly, and liquid can only flow in one direction.
The sewage drain pipe 2 is provided with a connecting flange 4 for installing an on-off assembly, the control assembly comprises a switch valve 5 arranged on the connecting flange 4, one end of the connecting flange 4 is connected with the sewage drain pipe 2, and the other end of the connecting flange 4 is connected with the one-way valve 3.
The control assembly comprises a blow-down valve 6 connected with the one-way valve 3, and the blow-down valve 6 is provided with a flow limiting device and/or a self-closing device.
The blow-down valve 6 comprises a valve body 7, a flow limiting cavity 8 is arranged on the valve body 7, the flow limiting device comprises a flow limiting valve core 11 which is arranged on the flow limiting cavity 8 in a reciprocating motion mode, the flow limiting valve core 11 is inserted into the flow limiting cavity 8, a sealing part 12 is arranged on the flow limiting valve core 11, the flow limiting valve core 11 has a first position state and a second position state,
when the flow limiting valve core 11 is in the first position state, the sealing part 12 is far away from the liquid inlet end of the flow limiting cavity 8; when the flow limiting valve core 11 is in the second position state, the sealing part 12 is close to the liquid inlet end of the flow limiting cavity 8.
The flow-limiting valve core 11 is also provided with a first elastic piece 13, one end of the first elastic piece 13 is abutted against the sealing part 12, and the other end of the first elastic piece 13 is abutted against the outer side of the flow-limiting cavity 8;
the first elastic member 13 is a spring;
when the liquid flow rate of the sewage pipe 2 is smaller than the elasticity of the sealing part 12 acted by the first elastic piece 13, a liquid inlet gap 14 is reserved between the sealing part 12 and the liquid inlet end of the flow limiting cavity 8; when the liquid flow speed pressure of the sewage drain pipe 2 is greater than the elastic force of the first elastic piece 13 acting on the sealing part 12, the sealing part 12 approaches the liquid inlet end of the flow limiting cavity 8 along the liquid inlet gap 14, so that the liquid inlet gap 14 between the sealing part 12 and the liquid inlet end of the flow limiting cavity 8 is reduced, and flow limiting is realized.
The limiting valve core 11 is provided with a limiting part 15 far away from the liquid outlet end of the limiting cavity 8, the maximum outer diameter of the limiting part 15 is larger than the inner diameter of the liquid outlet end of the limiting cavity 8, and the limiting valve core 11 is in front-back limiting reciprocating motion on the limiting cavity 8 through a sealing part 12 and the limiting part 15.
The valve body 7 is provided with a self-closing cavity 9, the self-closing device comprises a self-closing valve core 16 which is elastically and reciprocally arranged on the self-closing cavity 9, the self-closing valve core 16 is provided with a second elastic piece 17, and the second elastic piece 17 is a spring;
the self-closing valve core 16 has a first position state and a second position state, and when the second elastic piece 17 releases the elastic force, the self-closing valve core 16 is in the first position state and seals the liquid outlet end of the self-closing cavity 9;
the self-closing valve core 16 is in a second position state when compressing the second elastic piece 17 under the action of external force, and opens the liquid outlet end of the self-closing cavity 9.
In the present embodiment, the valve body 7 of the blow-down valve 6 includes a first valve body on which the flow-restricting chamber 8, the flow-restricting valve core 11, and the like are provided; a self-closing valve spool 16 is provided on the second valve body.
The first valve body and the second valve body are connected through threads. The bottom of the inner cavity of the first valve body is provided with a connecting hole, the inner cavity of the second valve body is provided with a connecting column, one end of the second valve body is inserted into the first valve body, the connecting column is inserted into the connecting hole, the self-closing valve core 16 with the second elastic piece 17 is inserted into the connecting column relatively, and the self-closing valve core 16 is limited between the first valve body and the second valve body. One end of the self-closing valve core 16 is provided with a sealing end with the outer diameter larger than the outer diameter of the opening of the second valve body. When the self-closing valve core 16 is in the first position state, the opening of the second valve body is blocked by the elastic force of the second elastic piece 17, so that the self-closing function is realized.
The bottom of the tank body 1 is provided with a sewage outlet connected with a sewage pipeline 2. The bottom wall is the arc structure in jar body 1 bottom, and the residue of being convenient for gets into the drain along the arc structure.
In this embodiment, some joints of each component are provided with sealing structures such as sealing rings to prevent liquid from leaking. These are prior art and will not be described in detail here.
Second embodiment
The residual discharging mechanism of the LPG small tank is different from the first embodiment in that: the blow-down valve 6 comprises a valve body 7, and a flow limiting cavity 8 and a self-closing cavity 9 which are communicated with each other are arranged on the valve body 7; the flow limiting device comprises a flow limiting valve core 11 which is arranged on the flow limiting cavity 8 in a reciprocating mode, the flow limiting valve core 11 is inserted into the flow limiting cavity 8, a sealing part 12 is arranged on the flow limiting valve core 11, and a first magnet is arranged at one end of the flow limiting valve core 11;
the self-closing device comprises a self-closing valve core 16 which is elastically and reciprocally arranged on the self-closing cavity 9, and a second magnet is arranged at one end of the self-closing valve core 16;
the flow limiting valve core 11 has a first position state and a second position state; the flow limiting valve core 11 is in a first position state through acting force between the first magnet and the second magnet, and the sealing part 12 is far away from the liquid inlet end of the flow limiting cavity 8;
when the flow speed and pressure of the liquid in the sewage disposal pipeline 2 are larger than the acting force between the first magnet and the second magnet, the sealing part 12 is close to the liquid inlet end of the flow limiting cavity 8.
In this embodiment, a first groove for accommodating and installing a first magnet is formed at one end of the current-limiting valve core 11, the first magnet is fixed on the first groove by pasting, and a first sealing sleeve for coating the first magnet is formed at one end of the current-limiting valve core 11 to prevent the first magnet from being separated from the first groove. One end of the self-closing valve core 16 is provided with a second groove for accommodating and installing a second magnet, the second magnet is fixed on the second groove through adhesion, and the self-closing valve core 16 is sleeved with a second sealing sleeve for coating the second magnet.
Third embodiment
The residual discharging mechanism of the LPG small tank is different from the first embodiment in that: a supporting seat 18 is arranged below the corresponding control assembly and the on-off assembly of the sewage pipeline 2, a liquid receiving structure 19 is arranged on the supporting seat 18, and a supporting part 20 for supporting the pipeline externally connected with the control assembly is arranged on the supporting seat 18;
the foregoing is a preferred embodiment of the utility model showing and describing the general principles, features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, which have been described in the foregoing description merely illustrates the principles of the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a incomplete mechanism of row of small-size storage tank of LPG, includes blow off pipeline (2) of intercommunication jar body (1) inner chamber, its characterized in that: the sewage drain pipe (2) is provided with an on-off assembly for controlling the opening or closing of the sewage drain pipe (2), and the residual discharging mechanism also comprises a control assembly which is connected with the sewage drain pipe (2) in a matched manner and is used for controlling the sewage drain flow of the sewage drain pipe (2).
2. The residual discharging mechanism of the LPG mini tank according to claim 1, characterized in that: the device also comprises a one-way valve (3) for preventing liquid from entering the inner cavity of the tank body (1) along the sewage drain pipe (2); the one-way valve (3) is positioned between the on-off assembly and the control assembly, and one end of the one-way valve (3) is connected with the control assembly.
3. The residual discharging mechanism of the LPG mini tank according to claim 2, characterized in that: a connecting flange (4) for installing an on-off assembly is arranged on the sewage drain pipe (2), the control assembly comprises a switch valve (5) arranged on the connecting flange (4), one end of the connecting flange (4) is connected with the sewage drain pipe (2), and the other end of the connecting flange (4) is connected with the one-way valve (3); the switch valve (5) is a stop valve.
4. The residual discharging mechanism of the LPG mini tank according to claim 2, characterized in that: the control assembly comprises a blow-down valve (6) connected with the one-way valve (3), and the blow-down valve (6) is provided with a flow limiting device and/or an automatic closing device.
5. The residual discharging mechanism of the LPG mini tank according to claim 4, characterized in that: the blow-down valve (6) comprises a valve body (7), a flow-limiting cavity (8) is arranged on the valve body (7), the flow-limiting device comprises a flow-limiting valve core (11) which is arranged on the flow-limiting cavity (8) in a reciprocating motion mode, the flow-limiting valve core (11) is inserted into the flow-limiting cavity (8), a sealing part (12) is arranged on the flow-limiting valve core (11), the flow-limiting valve core (11) is provided with a first position state and a second position state,
when the flow limiting valve core (11) is in a first position state, the sealing part (12) is far away from the liquid inlet end of the flow limiting cavity (8); when the flow limiting valve core (11) is in the second position state, the sealing part (12) is close to the liquid inlet end of the flow limiting cavity (8).
6. The residual discharging mechanism of the LPG mini tank according to claim 5, characterized in that: the flow limiting valve core (11) is also provided with a first elastic piece (13), one end of the first elastic piece (13) is abutted against the sealing part (12), and the other end of the first elastic piece (13) is abutted against the outer side of the flow limiting cavity (8);
the first elastic piece (13) is a spring;
when the liquid flow rate of the sewage drain pipe (2) is smaller than the elasticity of the first elastic piece (13) acting on the sealing part (12), a liquid inlet gap (14) is reserved between the sealing part (12) and the liquid inlet end of the flow limiting cavity (8); when the liquid flow speed pressure of the sewage drain pipe (2) is larger than the elastic force of the first elastic piece (13) acting on the sealing part (12), the sealing part (12) is close to the liquid inlet end of the flow limiting cavity (8) along the liquid inlet gap (14) so as to reduce the liquid inlet gap (14) between the sealing part (12) and the liquid inlet end of the flow limiting cavity (8) and realize flow limiting.
7. The residual discharging mechanism of the LPG mini tank according to claim 5, characterized in that: the limiting valve core (11) is provided with a limiting part (15) far away from the liquid outlet end of the limiting cavity (8), the maximum outer diameter of the limiting part (15) is larger than the inner diameter of the liquid outlet end of the limiting cavity (8), and the limiting valve core (11) is in front-back limiting reciprocating motion on the limiting cavity (8) through the sealing part (12) and the limiting part (15).
8. The residual discharging mechanism of the LPG mini tank according to claim 4, characterized in that: the valve body (7) is provided with a self-closing cavity (9), the self-closing device comprises a self-closing valve core (16) which is elastically and reciprocally arranged on the self-closing cavity (9), the self-closing valve core (16) is provided with a second elastic piece (17), and the second elastic piece (17) is a spring;
the self-closing valve core (16) is provided with a first position state and a second position state, and when the second elastic piece (17) releases the elastic force, the self-closing valve core (16) is in the first position state and seals the liquid outlet end of the self-closing cavity (9);
the self-closing valve core (16) is in a second position state when compressing the second elastic piece (17) under the action of external force, and opens the liquid outlet end of the self-closing cavity (9).
9. The residual discharging mechanism of the LPG mini tank according to claim 4, characterized in that: the blow-down valve (6) comprises a valve body (7), and a flow limiting cavity (8) and a self-closing cavity (9) which are communicated with each other are arranged on the valve body (7); the flow limiting device comprises a flow limiting valve core (11) which is arranged on the flow limiting cavity (8) in a reciprocating mode, the flow limiting valve core (11) is inserted into the flow limiting cavity (8), a sealing part (12) is arranged on the flow limiting valve core (11), and a first magnet is arranged at one end of the flow limiting valve core (11);
the self-closing device comprises a self-closing valve core (16) which is elastically and reciprocally arranged on the self-closing cavity (9), and a second magnet is arranged at one end of the self-closing valve core (16);
the flow limiting valve core (11) has a first position state and a second position state; the flow limiting valve core (11) is in a first position state through acting force between the first magnet and the second magnet, and the sealing part (12) is far away from the liquid inlet end of the flow limiting cavity (8);
when the flow speed and pressure of the liquid in the sewage drain pipe (2) are larger than the acting force between the first magnet and the second magnet, the sealing part (12) is close to the liquid inlet end of the flow limiting cavity (8).
10. The residual discharging mechanism of the LPG mini tank according to claim 1, characterized in that: a supporting seat (18) is arranged below the corresponding control assembly and the on-off assembly of the blow-down pipeline (2), a liquid receiving structure (19) is arranged on the supporting seat (18), and a supporting part (20) for supporting the pipeline externally connected with the control assembly is arranged on the supporting seat (18); the bottom of the tank body (1) is provided with a sewage outlet connected with a sewage pipeline (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322426705.7U CN220688748U (en) | 2023-09-06 | 2023-09-06 | Residual discharging mechanism of LPG small storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322426705.7U CN220688748U (en) | 2023-09-06 | 2023-09-06 | Residual discharging mechanism of LPG small storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220688748U true CN220688748U (en) | 2024-03-29 |
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ID=90404752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322426705.7U Active CN220688748U (en) | 2023-09-06 | 2023-09-06 | Residual discharging mechanism of LPG small storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220688748U (en) |
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2023
- 2023-09-06 CN CN202322426705.7U patent/CN220688748U/en active Active
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