CN209818995U - Plunger type quick coupling - Google Patents
Plunger type quick coupling Download PDFInfo
- Publication number
- CN209818995U CN209818995U CN201920494175.0U CN201920494175U CN209818995U CN 209818995 U CN209818995 U CN 209818995U CN 201920494175 U CN201920494175 U CN 201920494175U CN 209818995 U CN209818995 U CN 209818995U
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- China
- Prior art keywords
- valve core
- female
- male
- connector
- female joint
- 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.)
- Withdrawn - After Issue
Links
- 230000008878 coupling Effects 0.000 title claims description 22
- 238000010168 coupling process Methods 0.000 title claims description 22
- 238000005859 coupling reaction Methods 0.000 title claims description 22
- 238000007789 sealing Methods 0.000 claims abstract description 73
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 23
- 229910052802 copper Inorganic materials 0.000 claims description 23
- 239000010949 copper Substances 0.000 claims description 23
- 230000000694 effects Effects 0.000 claims description 8
- 238000005219 brazing Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 4
- 238000004891 communication Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 11
- 239000003507 refrigerant Substances 0.000 description 6
- 238000005057 refrigeration Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
A plunger type quick connector comprises a male connector body and a female connector body, the utility model discloses design the male and female two parts of the quick connector into plunger type check valves respectively, under the state that the connectors are separated, the connectors utilize spring force to press a valve core back to a sealing position to realize sealing performance, when the connectors are combined together, the mutual action of the male and female connectors is utilized to jack up mutually, the male and female two parts of the quick connector are opened, and the purpose of communication is realized; the utility model can eliminate the dependence of key sealing performance on the spring elasticity, can adopt smaller springs, saves cost, adopts O-shaped rings which are general in the market, does not need special purchase, and simplifies the processing technology and purchase; just the utility model discloses a male joint spring head and tail end of male joint is connected respectively in valve body and case, and the case is in half unsettled state under the state of opening, opens and closes in-process case and can not produce direct contact with the valve body inner wall, has avoided noise and wearing and tearing.
Description
Technical Field
The utility model relates to a refrigeration plant gas-liquid hybrid system and other pipe-line system's product equipment, more specifically say, especially relate to a plunger type quick-operation joint.
Background
The connection of the indoor and outdoor units of the existing air conditioner is in a surface sealing mode that a hose bell mouth is matched with a conical surface, the indoor and outdoor units of the air conditioner can be vacuumized and filled with a refrigerant only after being connected into a complete circulating system on site, the installation operation needs to be repeated after the air conditioner is disassembled and assembled in a later period, the requirement on professional ability is high, the installation can be completed by using a special tool aiming at the installation connection of the indoor unit, the outdoor unit and other pipelines by trained professionals, the refrigerant is filled after the system is vacuumized after the installation is completed, and the installation difficulty and the technical requirement are relatively high.
In the prior art, the sealing position of the valve core and the valve body of the male connector adopts conical surface soft sealing, and the two conical surfaces generate sealing pretightening force by the elastic force compressed by a spring; the sealing position of the valve core of the female joint and the valve body adopts end face soft sealing, and the two end faces generate sealing pretightening force by the elastic force of the compression of the spring; by adopting the technology, the spring can generate creep deformation and elasticity attenuation under a long-time compression state, and the sealing performance of the joint is directly influenced; and the male joint valve core adopts two guide gaskets to install and guide in front of and behind the spring, so that the valve core can drive one of the gaskets to move simultaneously to generate friction with the wall of the inner cavity of the valve body when being opened and closed, and noise and abrasion are easy to generate.
SUMMERY OF THE UTILITY MODEL
The utility model discloses improve prior art to above-mentioned shortcoming, provide a plunger type quick-operation joint, technical scheme is as follows:
the design direction of this scheme is the connection scheme who designs into quick-operation joint with each connection interface, the work of evacuation and filling refrigerant is accomplished to each subsystem in the mill, and utilize quick-operation joint to accomplish independent sealed separately, the field installation only needs to go up the quick-operation joint that corresponds, public female quick-operation joint just can interact open by oneself, the refrigeration of the whole air conditioning equipment of intercommunication heats the circulation system, in the equipment dismouting maintenance of later stage, pull down quick-operation joint, public female quick-operation joint will be at spring force effect down self-sealing, ensure that the refrigerant in the system can not leak, thereby realize the quick installation of refrigeration plant modularization.
A plunger type quick connector comprises a male connector body and a female connector body, wherein the outer side of one end of the male connector body is communicated with a red copper pipe, a valve core mounting ring penetrates through the inner side of the red copper pipe and is fixedly arranged on the inner side of the red copper pipe through the male connector body fixedly connected with the red copper pipe, the valve core mounting ring is connected with a male connector valve core through threads, a male connector spring and a sliding sleeve sequentially penetrate through the male connector valve core from right to left, the male connector spring is arranged between the sliding sleeve and the valve core mounting ring, the sliding sleeve is movably arranged between the male connector body and the male connector valve core, a sealing ring is embedded in one end of the male connector valve core, the sealing ring pushes the sliding sleeve through the male connector spring to enable circumferential sealing between the male connector valve core and the sliding sleeve, and the female connector valve core sequentially penetrates through one end inside the female connector body from right to left, Female joint spring and connector, this connector pass through threaded connection in the one end of female joint body, female joint spring sets up between female joint valve core and connector, and this female joint spring's one end wears to locate female joint valve core, the spacing activity of female joint valve core sets up in the inside of female joint body, and the outside of this female joint valve core is inlayed and is equipped with the sealing washer to make female joint spring promote female joint valve core and female joint body through this sealing washer and realize that the circumference is sealed.
The outside activity card of male joint body is equipped with lock nut, and this lock nut presses to inlay in the outside of male joint body, the female joint body corresponds lock nut and is provided with the external screw thread to connect lock nut through this external screw thread cooperation and make male joint body and female joint body fixed connection.
One end of the male connector body is connected with the copper tube through brazing.
The valve core mounting ring is fixed at the tail part of the thread by adopting a riveting structure after being in threaded connection with the male connector valve core.
And sealing rings are respectively embedded at two ends of the outer side of the sliding sleeve, circumferential sealing is realized between the sealing ring close to one end of the copper tube and the male connector valve body, and circumferential sealing is realized between the sealing ring at the other end and the female connector body in a connection state.
An internal thread is formed in the inner side of one end of the connector, and sealing rings are embedded between the tail end of the internal thread and the connector and the female connector body respectively.
And a groove is correspondingly formed in the contact position of the male connector valve core and the female connector valve core, and the groove is in contact fit with one end of the female connector valve core.
The sealing ring is an O-shaped sealing ring.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model designs the male and female parts of the quick connector into plunger type one-way valves respectively, the connector utilizes the spring force to press the valve core back to the sealing position to realize the sealing performance under the separated state of the connector, when the connectors are combined together, the male and female parts of the quick connector are opened by utilizing the mutual action of the male and female connectors to open, thereby realizing the purpose of communication; the indoor unit and the outdoor unit can be connected more conveniently and quickly, the professional technical requirements are lower, ordinary people can finish operation according to a simple specification, modular installation is realized, the indoor unit, the outdoor unit, the connecting hose and the like can be quickly butted to form a complete circulating system, and on-site vacuumizing operation is not needed.
The sealing position of the male connector valve core and the male connector body and the sealing position of the female connector valve core and the female connector body are sealed by adopting O-shaped rings, and the sealing performance of the O-shaped rings is sealed by the O-shaped rings and is not influenced by the elasticity of a male connector spring; because seal structure need not the male joint spring force sealed, this scheme spring force only need overcome O type circle frictional resistance and atmospheric pressure with O type circle return the sealed position can, consequently can adopt littleer spring, make it eliminate the dependence of key sealing performance to spring force, can adopt littleer spring, save the cost to adopt the general O type circle in market, need not special purchase, simplify processing technology and purchase.
And the utility model discloses a male joint spring head and tail end of male joint is connected respectively in valve body and case, and the case is in half unsettled state under the open mode, opens and closes in-process case and can not produce direct contact with the valve body inner wall, has avoided noise and wearing and tearing, through designing into the valve body inner chamber tapered structure, utilizes the self-steering type of tapered structure to replace special direction gasket, makes the design of no direction gasket effectively save corresponding cost.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described as follows:
fig. 1 is a schematic view of the connection state structure of the present invention;
fig. 2 is a schematic diagram of the structure of the separated state of the present invention;
FIG. 3 is an enlarged view of the connection structure of the present invention;
FIG. 4 is an enlarged view of the riveted structure of the present invention;
fig. 5 is a perspective view of the present invention;
FIG. 6 is a perspective view of the present invention with an exploded structure;
the method comprises the following steps: the connecting device comprises a connector 1, a female connector body 3, a female connector spring 4, a female connector valve core 5, a locking nut 7, a sliding sleeve 8, a male connector body 9, a male connector spring 10, a male connector valve core 11, a valve core mounting ring 12, a copper tube 13, a groove 14 and a sealing ring 15.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiment of the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Embodiments of the present invention will be described in further detail below with reference to the following drawings, in which:
referring to fig. 1 to 6, a plunger type quick coupling comprises a male coupling body 9 and a female coupling body 3, wherein a copper tube 13 is connected to an outer side of one end of the male coupling body 9, a valve core mounting ring 12 is inserted into an inner side of the copper tube 13, the valve core mounting ring 12 is fixedly disposed inside the copper tube 13 by fixedly connecting the copper tube 13 to the male coupling body 9, the valve core mounting ring 12 is connected to a male coupling valve core 11 by a screw thread, a male coupling spring 10 and a sliding sleeve 8 are sequentially inserted into the male coupling valve core 11 from right to left, the male coupling spring 10 is disposed between the sliding sleeve 8 and the valve core mounting ring 12, the sliding sleeve 8 is movably disposed between the male coupling body 9 and the male coupling valve core 11, a sealing ring 15 is embedded into one end of the male coupling valve core 11, the sealing ring 15 pushes the sliding sleeve 8 to realize circumferential sealing between the male coupling valve core 11 and the sliding sleeve 8 by, female joint case 5 is worn to be equipped with in proper order from right side to left in the inside one end of female joint body 3, female joint spring 4 and connector 1, this connector 1 is through threaded connection in the one end of female joint body 3, female joint spring 4 sets up between female joint case 5 and connector 1, and this female joint spring 4's one end is worn to locate female joint case 5, female joint case 5 spacing activity sets up in the inside of female joint body 3, this female joint case 5's the outside is inlayed and is equipped with sealing washer 15, and make female joint spring 4 promote female joint case 5 and female joint body 3 through this sealing washer 15 and realize that the circumference is sealed.
The outside activity card of male joint body 9 is equipped with lock nut 7, and this lock nut 7 is pressed and is inlayed in the outside of male joint body 9, and female joint body 3 corresponds lock nut 7 and is provided with the external screw thread to connect lock nut 7 through this external screw thread cooperation and make male joint body 9 and female joint body 3 fixed connection.
One end of the male connector body 9 is connected with a copper tube 13 through brazing, and the valve core mounting ring 12 is fixed at the tail part of the thread by adopting a riveting structure after being in threaded connection with the male connector valve core 11.
The sealing rings 15 are respectively embedded at two ends of the outer side of the sliding sleeve 8, circumferential sealing is realized between the sealing ring 15 close to one end of the copper tube 13 and the male connector valve body, circumferential sealing is realized between the sealing ring 15 at the other end and the female connector body 3 in a connection state, internal threads are arranged on the inner side of one end of the connector 1, the sealing rings 15 are respectively embedded between the tail end of the internal threads and the connector 1 and the female connector body 3, and the sealing rings 15 are O-shaped sealing rings.
The male joint valve core 11 is correspondingly provided with a groove 14 at the contact position with the female joint valve core 5, and the groove 14 is in contact fit with one end of the female joint valve core 5.
The utility model discloses a design direction is the connection scheme who designs into quick-operation joint with each connection interface, each subsystem accomplishes the work of evacuation and packing refrigerant in the mill, and utilize quick-operation joint to accomplish independent separately sealed, the field installation only needs to dock the quick-operation joint that corresponds, public female quick-operation joint just can the interact open by oneself, the refrigeration of the whole air conditioning equipment of intercommunication heats circulation system, in the equipment dismouting maintenance of later stage, pull down quick-operation joint, public female quick-operation joint will be self-sealing under the effect of spring force, ensure that the refrigerant in the system can not leak, thereby realize the quick installation of refrigeration plant modularization.
Taking the working principle combined with the structure as an example: the utility model discloses can be used to have liquid and gas-liquid hybrid system: comprises the quick connection of an air conditioner internal and external machine and a communication hose; quick connection of hydraulic system pipelines; quick connection of a pipeline of the air pressure system; the working principle is as follows:
a male connector part: the red copper pipe 13 is brazed on the male connector body 9; the movable locking nut 7 is pressed and embedded on the male connector body 9; the male connector valve core 11 and the valve core mounting ring 12 are connected in a threaded manner and then are prevented from loosening by adopting a riveting process at the tail part of the thread; the male joint spring 10 acts between the sliding sleeve 8 and the valve core mounting ring 12 to form a compression shape; when the quick connector is in a separated state, the male connector valve core 11 is provided with an O-shaped ring, and the sliding sleeve 8 is pushed under the action of the male connector spring 10, so that the male connector valve core 11 and the sliding sleeve 8 realize circumferential sealing; two groups of O-shaped sealing rings 15 are arranged on the periphery of the sliding sleeve 8, the O-shaped ring close to the copper tube 13 is used for realizing circumferential sealing with the male connector body 9, and the other O-shaped ring is used for realizing circumferential sealing with the female connector body 3 in a connection state; the assembly consisting of the male joint valve core 11, the sliding sleeve 8, the male joint spring 10 and the valve core mounting ring 12 is mounted in the red copper pipe 13 by adopting a spinning process, and the other end of the red copper pipe 13 is connected with the outside by adopting a necking and dotting process.
A female joint part: threads corresponding to the specification of the stop valve are machined in the connector 1, and an O-shaped ring is arranged in the connector and used for realizing sealing when the connector is connected with the transverse head of the stop valve; the connector 1 and the female connector body 3 are directly connected by threads, and the direct connection and sealing of the connector 1 and the female connector body are realized by an O-shaped ring; the female joint spring 4 acts between the connector 1 and the female joint valve core 5 to form a compression shape; an O-shaped ring is designed at the end part of the female joint valve core 5, and the female joint spring 4 pushes the female joint valve core 5 and the female joint body 3 to realize circumferential sealing in the separated state of the quick joint; the female connector body 3 is externally threaded for mating with a locking nut 7 on the male connector.
The connection state is as follows: the male connector body 9 is inserted into the female connector body 3, peripheral sealing of the quick connector is achieved through the O-shaped ring, the locking nut 7 is connected with the external thread of the female connector body 3 to achieve reliable connection, and in the process of connecting the male connector and the female connector, the male connector valve core 11 pushes against the female connector valve core 5, so that the female connector spring 4 is further compressed, and the female connector body 3 is opened; the step in the female joint body 3 pushes up the sliding sleeve 8 inside the male joint, so that the male joint spring 10 is further compressed, the male joint body 9 is opened inside, the whole quick joint is switched on, the conical surface body structure is designed at the joint of the male joint and the female joint at the end part of the female joint valve core 5, the male structure valve core is designed to be in a corresponding groove 14 structure, the female joint valve core 5 is embedded into the male joint valve core 11 after connection, and the stability of butt joint of the core rods is guaranteed.
The utility model designs the male and female parts of the quick connector into plunger type one-way valves respectively, the connector utilizes the spring force to press the valve core back to the sealing position to realize the sealing performance under the separated state of the connector, when the connectors are combined together, the male and female parts of the quick connector are opened by utilizing the mutual action of the male and female connectors to open, thereby realizing the purpose of communication; the indoor unit and the outdoor unit can be connected more conveniently and quickly, the professional technical requirements are lower, ordinary people can finish operation according to a simple specification, modular installation is realized, the indoor unit, the outdoor unit, the connecting hose and the like can be quickly butted to form a complete circulating system, and on-site vacuumizing operation is not needed.
The sealing position of the male connector valve core 11 and the male connector body 9 and the sealing position of the female connector valve core 5 and the female connector body 3 are sealed by adopting O-shaped ring circumferences, and the sealing performance of the O-shaped ring is sealed by the O-shaped ring and is not influenced by the elastic force of a spring; because seal structure need not spring force and seals, this scheme spring force only need overcome O type circle frictional resistance and atmospheric pressure with O type circle return to sealed position can, consequently can adopt littleer spring, make it eliminate the dependence of key sealing performance to spring force, can adopt littleer spring, save the cost to adopt the general O type circle in market, need not special purchase, simplify processing technology and purchase.
And the utility model discloses a 10 head and tail ends of male joint spring of male joint are connected respectively in valve body and case, and the case is in half unsettled state under the state of opening, and the in-process case of opening and closing can not produce direct contact with the valve body inner wall, has avoided noise and wearing and tearing, through designing into the valve body inner chamber tapered structure, utilizes the self-steering type of tapered structure to replace special direction gasket, makes the design of no direction gasket effectively save corresponding cost.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A plunger type quick connector comprises a male connector body (9) and a female connector body (3), and is characterized in that: the outer side of one end of the male connector body (9) is communicated with a red copper pipe (13), the inner side of the red copper pipe (13) is penetrated with a valve core mounting ring (12), the red copper pipe (13) is fixedly connected with the male connector body (9) to enable the valve core mounting ring (12) to be fixedly arranged on the inner side of the red copper pipe (13), the valve core mounting ring (12) is connected with a male connector valve core (11) through threads, a male connector spring (10) and a sliding sleeve (8) are sequentially penetrated and arranged on the male connector valve core (11) from right to left, the male connector spring (10) is arranged between the sliding sleeve (8) and the valve core mounting ring (12), the sliding sleeve (8) is movably arranged between the male connector body (9) and the male connector valve core (11), a sealing ring (15) is embedded at one end of the male connector valve core (11), the sealing ring (15) pushes the sliding sleeve (8) through the male connector spring (10) to enable the male connector valve core (11) to achieve circumferential sealing between, female joint case (5), female joint spring (4) and connector (1) are worn to be equipped with in proper order from right side to left side in the inside one end of female joint body (3), and this connector (1) is through threaded connection in the one end of female joint body (3), female joint spring (4) set up between female joint case (5) and connector (1), and the one end of this female joint spring (4) wears to locate female joint case (5), female joint case (5) spacing activity sets up in the inside of female joint body (3), and the outside of this female joint case (5) is inlayed and is equipped with sealing washer (15) to make female joint spring (4) promote female joint case (5) and female joint body (3) through this sealing washer (15) and realize that the circumference is sealed.
2. The plunger-type quick coupling as set forth in claim 1, wherein: the outer side activity card of male joint body (9) is equipped with lock nut (7), and this lock nut (7) press inlays in the outside of male joint body (9), female joint body (3) correspond lock nut (7) and are provided with the external screw thread to connect lock nut (7) through this external screw thread cooperation and make male joint body (9) and female joint body (3) fixed connection.
3. The plunger-type quick coupling as set forth in claim 1, wherein: one end of the male connector body (9) is connected with the copper tube (13) through brazing.
4. The plunger-type quick coupling as set forth in claim 1, wherein: the valve core mounting ring (12) is fixed at the tail part of the thread by adopting a riveting structure after being in threaded connection with the male connector valve core (11).
5. The plunger-type quick coupling as set forth in claim 1, wherein: sealing rings (15) are respectively embedded at two ends of the outer side of the sliding sleeve (8), circumferential sealing is realized between the sealing ring (15) close to one end of the copper tube (13) and the male connector valve body, and circumferential sealing is realized between the sealing ring (15) at the other end and the female connector body (3) in a connection state.
6. The plunger-type quick coupling as set forth in claim 1, wherein: an internal thread is formed in the inner side of one end of the connector (1), and sealing rings (15) are embedded between the tail end of the internal thread and the connector (1) and the female connector body (3) respectively.
7. The plunger-type quick coupling as set forth in claim 1, wherein: and a groove (14) is correspondingly formed in the contact position of the male connector valve core (11) and the female connector valve core (5), and the groove (14) is in contact fit with one end of the female connector valve core (5).
8. A plunger type quick coupling as claimed in claim 1, 5 or 6, wherein: the sealing ring (15) is an O-shaped sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920494175.0U CN209818995U (en) | 2019-04-12 | 2019-04-12 | Plunger type quick coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920494175.0U CN209818995U (en) | 2019-04-12 | 2019-04-12 | Plunger type quick coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209818995U true CN209818995U (en) | 2019-12-20 |
Family
ID=68879703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920494175.0U Withdrawn - After Issue CN209818995U (en) | 2019-04-12 | 2019-04-12 | Plunger type quick coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209818995U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882675A (en) * | 2019-04-12 | 2019-06-14 | 广东恒基金属制品实业有限公司 | A kind of plunger type quick coupling |
| CN111911731A (en) * | 2020-06-08 | 2020-11-10 | 深圳市森福消防装备有限公司 | Water pocket quick-operation joint mechanism |
| CN112377704A (en) * | 2020-11-30 | 2021-02-19 | 淄博能源研究院 | Fluid rotatable direction-changing self-sealing pipe joint |
-
2019
- 2019-04-12 CN CN201920494175.0U patent/CN209818995U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882675A (en) * | 2019-04-12 | 2019-06-14 | 广东恒基金属制品实业有限公司 | A kind of plunger type quick coupling |
| CN109882675B (en) * | 2019-04-12 | 2024-03-22 | 广东恒基金属股份有限公司 | Plunger type quick connector |
| CN111911731A (en) * | 2020-06-08 | 2020-11-10 | 深圳市森福消防装备有限公司 | Water pocket quick-operation joint mechanism |
| CN112377704A (en) * | 2020-11-30 | 2021-02-19 | 淄博能源研究院 | Fluid rotatable direction-changing self-sealing pipe joint |
| CN112377704B (en) * | 2020-11-30 | 2022-06-10 | 淄博能源研究院 | Fluid rotatable direction-changing self-sealing pipe joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No.16, Keyuan 3rd road, science and Technology Industrial Park, Shunde high tech Industrial Development Zone, xiaohuangpu neighborhood committee, Ronggui sub district office, Shunde District, Foshan City, Guangdong Province, 528305 Patentee after: Guangdong Henderson Metal Co.,Ltd. Address before: Guangdong Hengji Metal Products Industry Co., Ltd., No. 16, Keyuan 3rd Road, Gui Science and Technology Industrial Park, Shunde High-tech Zone (Ronggui), Foshan City, Guangdong Province, 528305 Patentee before: Guangdong Hangji Metal Product Industrial Co.,Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191220 Effective date of abandoning: 20240322 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20191220 Effective date of abandoning: 20240322 |