CN215540876U - Reaction kettle - Google Patents

Reaction kettle Download PDF

Info

Publication number
CN215540876U
CN215540876U CN202121906163.8U CN202121906163U CN215540876U CN 215540876 U CN215540876 U CN 215540876U CN 202121906163 U CN202121906163 U CN 202121906163U CN 215540876 U CN215540876 U CN 215540876U
Authority
CN
China
Prior art keywords
glue
channel
plunger
discharging port
inlet
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
Application number
CN202121906163.8U
Other languages
Chinese (zh)
Inventor
卢雷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Shiyou Adhesive Material Co ltd
Original Assignee
Dongguan Shiyou Adhesive Material Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dongguan Shiyou Adhesive Material Co ltd filed Critical Dongguan Shiyou Adhesive Material Co ltd
Priority to CN202121906163.8U priority Critical patent/CN215540876U/en
Application granted granted Critical
Publication of CN215540876U publication Critical patent/CN215540876U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The application discloses reation kettle relates to in glue production facility technical field. The reaction kettle comprises a kettle body and a closing plug; a stirring cavity is arranged in the kettle body, a glue outlet channel is arranged at the bottom of the side surface of the kettle body, and a glue outlet communicated with the glue outlet channel is arranged at the bottom wall of the stirring cavity; the sealing plug is arranged on the kettle body and comprises a plug body and a moving part, the plug body is provided with a glue inlet, a glue outlet and a first channel, and the glue inlet and the glue outlet are respectively communicated with the first channel; the movable piece is slidably arranged in the first channel and can slide between a first position and a second position; the movable part comprises a plunger and a blocking rod, and one end of the blocking rod is connected with the plunger; when the movable piece is positioned at the first position, the stirring cavity, the glue outlet channel, the glue inlet, the first channel and the glue discharging port are sequentially communicated; when the movable piece is at the second position, the plunger cuts off the first channel and the glue discharging port, and the blocking rod is inserted into the glue discharging channel and closes the glue discharging port. This reation kettle can avoid the waste of glue.

Description

Reaction kettle
Technical Field
The application relates to the technical field of glue production equipment, in particular to a reaction kettle.
Background
The glue is an intermediate for connecting two materials, the glue is various in types, and the viscosity values of the glues with different components are different. In the actual production process, a high-speed dispersion reaction kettle is usually used for stirring glue to disperse the glue, and is provided with an opening for discharging the glue in the reaction kettle and a plunger for plugging the opening; when needing to discharge the glue in the high-speed dispersion reation kettle, operating personnel need extract the plunger, install the rubber discharge pipe in the opening part again, after extracting the plunger and before installing the rubber discharge pipe, the glue after the stirring can follow the opening part and flow out, and this has led to the waste of glue.
SUMMERY OF THE UTILITY MODEL
The present application is directed to solving at least one of the problems in the prior art. For this reason, this application provides a reation kettle, can avoid the waste of glue.
A reactor according to an embodiment of the first aspect of the present application, comprising: the glue mixing device comprises a kettle body, wherein a stirring cavity is arranged in the kettle body, a glue outlet channel is arranged at the bottom of the side surface of the kettle body, and a glue outlet communicated with the glue outlet channel is arranged on the bottom wall of the stirring cavity; the sealing plug is arranged on the kettle body and comprises a plug body and a moving part, the plug body is provided with a glue inlet, a glue discharging port and a first channel, and the glue inlet and the glue discharging port are respectively communicated with the first channel; the movable piece is slidably arranged in the first channel and can slide between a first position and a second position; the movable piece comprises a plunger and a blocking rod, and one end of the blocking rod is connected with the plunger; when the movable piece is located at the first position, the stirring cavity, the glue outlet channel, the glue inlet, the first channel and the glue discharging port are sequentially communicated; when the movable piece is located at the second position, the plunger cuts off the first channel and the glue discharging port, and the blocking rod is inserted into the glue discharging channel and closes the glue discharging port.
According to this application embodiment's reation kettle, have following beneficial effect at least:
the sealing plug is arranged at a glue outlet of the kettle body, the initial position of the moving part in the first channel is a second position, the blocking rod of the moving part extends out of the first channel from the glue inlet and is inserted into the glue outlet channel, and the glue outlet is sealed so as to prevent glue in the stirring cavity from leaking from the glue outlet; the glue discharging pipe or other connecting pieces are connected with the glue discharging port, then the movable piece is moved from the second position to the first position, so that the stirring cavity, the glue outlet channel, the glue inlet, the first channel and the glue discharging port are sequentially communicated, and glue in the stirring cavity can flow through the glue outlet channel from the glue outlet and flow into the first channel, and then flows out of the glue discharging port and flows into the glue discharging pipe or other connecting pieces; through the arrangement, the glue discharging pipe or other connecting pieces can be connected with the glue discharging port under the condition that the stirring cavity is kept closed, so that the waste of glue is avoided.
According to some embodiments of the present application, the plunger is provided with at least one sealing ring.
According to some embodiments of the application, a limiting hole arranged along the moving direction of the plunger is arranged on the end surface of the plunger, which is far away from the glue inlet; the plug body is kept away from the one end of advancing the jiao kou is provided with the panel, be provided with on the panel with spacing post of spacing hole complex, spacing post slidable set up in spacing downthehole.
According to some embodiments of the present application, the device comprises a driving device, the driving device comprises a lead screw and a rotating part, and one end of the lead screw is connected with the rotating part; the plunger is provided with a threaded hole, the panel is provided with an opening opposite to the threaded hole, and the other end of the screw rod penetrates through the opening and is in threaded connection with the threaded hole.
According to some embodiments of the present application, the plug body includes a second channel, one end of the second channel is communicated with the first channel, and the glue discharging port is disposed at the other end of the second channel; when the movable piece is in the second position, the plunger is located at the connection position of the first channel and the second channel.
According to some embodiments of the application, the plug body is provided with a flange structure on an outer wall of the glue inlet and/or the glue outlet.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The above and additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural view of a reactor according to an embodiment of the present disclosure with a closure plug in a second position;
FIG. 2 is a schematic structural diagram of a kettle body and a closing plug of a reaction kettle of an embodiment of the application;
FIG. 3 is a sectional view of a vessel body of a reaction vessel according to an embodiment of the present invention;
FIG. 4 is a sectional view of a vessel body and a closing plug of a reaction vessel according to an embodiment of the present application;
FIG. 5 is a schematic structural view of a reactor according to an embodiment of the present disclosure with a closure in a first position;
FIG. 6 is a cross-sectional view of a closure of a reactor vessel in accordance with an embodiment of the present disclosure in a second position;
FIG. 7 is a cross-sectional view of a reactor vessel according to an embodiment of the present disclosure with a closure plug in a first position;
FIG. 8 is a schematic structural diagram of a driving device and a panel of a reaction kettle according to an embodiment of the present application;
FIG. 9 is a schematic structural view of a stopper of a reaction vessel according to an embodiment of the present invention.
Reference numerals:
a plug body 100; a glue inlet 110; a glue discharging port 120; a first channel 130; a second channel 140; a panel 150; a stopper post 151; a movable member 200; a plunger 210; a stopper hole 211; a threaded hole 212; a blocking rod 220; a seal ring 230; a driving device 300; a screw rod 310; a rotating member 320; a kettle body 400; a stir chamber 410; a glue outlet 420; and a glue outlet channel 430.
Detailed Description
Reference will now be made in detail to the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the positional descriptions, such as the directions of up, down, left, right, front, rear, and the like, referred to as positional or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.
In the description of the present application, if there are first and second described only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features or the precedence of the indicated technical features is implicitly indicated or implied.
In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.
A reaction tank according to an embodiment of the present application is described below with reference to fig. 1 to 9.
According to the reaction kettle of the embodiment of the application, the reaction kettle comprises a kettle body 400 and a closing plug; a stirring cavity 410 is arranged in the kettle body 400, a glue outlet channel 430 is arranged at the bottom of the side surface of the kettle body 400, and a glue outlet 420 communicated with the glue outlet channel 430 is arranged on the bottom wall of the stirring cavity 410; the sealing plug is arranged on the kettle body 400 and comprises a plug body 100 and a movable piece 200, the plug body 100 is provided with a glue inlet 110, a glue outlet 120 and a first channel 130, and the glue inlet 110 and the glue outlet 120 are respectively communicated with the first channel 130; the movable member 200 is slidably disposed in the first channel 130 and is slidable between a first position and a second position; the movable member 200 comprises a plunger 210 and a blocking rod 220, wherein one end of the blocking rod 220 is connected with the plunger 210; when the movable element 200 is located at the first position, the stirring cavity 410, the glue outlet channel 430, the glue inlet 110, the first channel 130 and the glue outlet 120 are sequentially communicated; when the movable member 200 is at the second position, the plunger 210 blocks the first passage 130 and the glue discharging port 120, and the blocking rod 220 is inserted into the glue discharging passage 430 and closes the glue discharging port 420.
The plunger 210 is attached to the inner wall of the first channel 130 and can move along the extending direction of the first channel 130, and the blocking rod 220 is disposed on the end surface of the plunger 210 close to the glue inlet 110.
Specifically, referring to fig. 1 and 6, the glue inlet 110 is disposed at one end of the first channel 130 and is communicated with the first channel 130, and the glue outlet 120 is disposed on a side wall of the first channel 130 and is communicated with the first channel 130; when the movable element 200 is located at the second position, the end surface of the plunger 210 close to the glue inlet 110 is flush with the end surface of the plug body 100 provided with the glue inlet 110, and the plunger 210 seals the glue inlet 110 to prevent the glue in the stirring chamber 410 from flowing into the first channel 130, so that the glue in the stirring chamber 410 cannot leak and can be sufficiently stirred, and the side wall of the plunger 210 seals the glue outlet 120 to prevent external substances from entering the first channel 130 from the glue outlet 120; when the movable element 200 is located at the first position, the plunger 210 is located at one end of the first passage 130 far away from the glue inlet 110, and the sidewall of the plunger 210 and the glue outlet 120 are arranged in a staggered manner, so that the glue inlet 110 is communicated with the glue outlet 120 through the first passage 130; the first channel 130 of the plug body 100 is cylindrical, and the plunger 210 is cylindrical and matched with the first channel 130, so that the inner wall of the plug body 100 can be tightly attached to the first channel 130, thereby preventing glue from passing through a gap between the plug body 100 and the plunger 210 and leaking from the glue discharging port 120, preventing glue from remaining in the gap between the plug body 100 and the plunger 210, and facilitating the cleaning of the plug body 100 and the plunger 210; when the movable element 200 moves from the first position to the second position, the plunger 210 can push the glue in the first channel 130 to return to the stirring chamber 410 from the glue inlet 110 due to the certain distance between the blocking rod 220 and the glue outlet channel 430, thereby realizing the purpose of discharging the glue in multiple times; referring to fig. 5, when the movable member 200 moves from the second position to the first position, the blocking rod 220 can retract into the first passage 130, so as to reduce the volume of the plug body 100 and facilitate the storage and storage of the closure plug.
Specifically, in order to facilitate the processing of the movable member 200, the plunger 210 and the blocking rod 220 are integrally formed; the end surface of the blocking rod 220 far away from the plug body 100 is an inclined surface, the side surface of the blocking rod 220 close to the end surface is provided with an arc-shaped inclined surface, so that the shape of the blocking rod 220 is matched with that of the glue outlet 420 formed in the kettle body 400, and the blocking rod 220 inserted into the glue outlet channel 430 is flush with the inner wall of the stirring cavity 410, so that the inner surface of the stirring cavity 410 has no protrusion, and the safety of stirring glue is improved.
The sealing plug is arranged at the glue outlet 420 of the kettle body 400, the initial position of the movable member 200 in the first channel 130 is a second position, the blocking rod 220 of the movable member 200 extends out of the first channel 130 from the glue inlet 110 and is inserted into the glue outlet channel 430, and the glue outlet 420 is sealed to prevent the glue in the stirring chamber 410 from leaking from the glue outlet 420; firstly, connecting a glue discharging pipe or other connecting pieces with the glue discharging port 120, and then moving the moving piece 200 from the second position to the first position, so that the stirring cavity 410, the glue outlet channel 430, the glue inlet 110, the first channel 130 and the glue discharging port 120 are sequentially communicated, and glue in the stirring cavity 410 can flow through the glue outlet channel 430 from the glue outlet port 420 and flow into the first channel 130, and then flow out from the glue discharging port 120 and flow into the glue discharging pipe or other connecting pieces; by this arrangement, the glue discharge pipe or other connecting member can be connected to the glue discharge port 120 while the stirring chamber 410 remains closed, thereby avoiding waste of glue.
Referring to fig. 6, 7 and 9, in some embodiments of the present application, at least one seal ring 230 is provided on the plunger 210.
The side wall of the plunger 210 is provided with at least one groove surrounding the side wall of the plunger 210, a sealing ring 230 is arranged in each groove, the sealing ring 230 can be attached to the inner wall of the first channel 130, the sealing ring 230 is used for preventing glue from leaking to the glue discharging port 120 from the gap between the plug body 100 and the plunger 210, and the sealing performance of the gap between the plug body 100 and the plunger 210 is improved; a sealing ring 230 surrounding the blocking rod 220 is arranged on the end surface of the plunger 210 close to the glue inlet 110, when the movable element 200 is at the second position, the plunger 210 closes the glue inlet 110, and the sealing ring 230 can prevent glue from leaking into the glue inlet 110 of the plug body 100 from the glue outlet 420 of the kettle body 400.
Specifically, two sealing rings 230 are disposed on a side surface of the plunger 210 at an interval, when the movable element 200 is located at the second position, at least one sealing ring 230 is located between the glue inlet 110 and the glue outlet 120, and when the movable element 200 moves from the second position to the first position, the sealing ring 230 far away from the glue inlet 110 is located at a position far away from the glue inlet 110 and the glue outlet 120, so as to increase the sealing performance between the plug body 100 and the plunger 210.
Referring to fig. 8 and 9, in some embodiments of the present application, a limiting hole 211 is disposed on an end surface of the plunger 210 away from the glue inlet 110, and the limiting hole is disposed along a moving direction of the plunger 210; the end of the plug body 100 away from the glue inlet 110 is provided with a panel 150, the panel 150 is provided with a limiting column 151 matched with the limiting hole 211, and the limiting column 151 is slidably arranged in the limiting hole 211.
The panel 150 is disposed at one end of the plug body 100 far away from the glue inlet 110, the panel 150 is at least provided with a limiting column 151, and the end surface of the plunger 210 far away from the glue inlet 110 is provided with a limiting hole 211 matched with the limiting column 151; when the movable piece 200 moves between the second position and the first position, the limiting column 151 extends into the limiting hole 211 and is in sliding connection with the limiting hole 211 in a matching manner, because the position of the limiting column 151 is fixed, and because the end face, far away from the plunger 210, of the blocking rod 220 needs to be matched with the shape of the inner part of the stirring cavity 410, the limiting column 151 can prevent the plunger 210 from rotating when moving in the first channel 130, so that the limiting column 151 is prevented from colliding with the kettle body 400, and the movable piece 200 is ensured to be capable of moving safely; specifically, two position-limiting columns 151 are disposed on the panel 150, and two position-limiting columns 151 are correspondingly disposed on the plunger 210, so as to improve the stability of the moving member 200 moving in the first channel 130.
Referring to fig. 1, 8 and 9, in some embodiments of the present application, a driving device 300 is included, the driving device 300 includes a lead screw 310 and a rotating member 320, and one end of the lead screw 310 is connected to the rotating member 320; the end face of the plunger 210 far away from the glue inlet 110 is provided with a threaded hole 212, the panel 150 is provided with an opening opposite to the threaded hole 212, and the other end of the screw rod 310 penetrates through the opening and is in threaded connection with the threaded hole 212.
The driving device 300 comprises a screw rod 310 and a rotating part 320, a threaded hole 212 matched with the screw rod 310 is formed in the end face, away from the glue inlet 110, of the plunger 210, an opening is formed in the panel 150, the opening is matched with the screw rod 310 and is opposite to the threaded hole 212; one end of the screw rod 310 is connected with the rotating member 320, the other end of the screw rod 310 penetrates through the opening of the panel 150 and extends into the threaded hole 212 of the plunger 210 and is in threaded connection with the threaded hole 212, and the rotating member 320 is rotated to drive the screw rod 310 to rotate so as to realize the stable movement of the movable member 200 in the first channel 130; the rotating part 320 is a turntable, a plurality of protruding blocks arranged at intervals are arranged on the side wall of the turntable, and a handle is arranged on the rotating part 320, so that an operator can conveniently rotate the turntable manually; the lead screw 310 can be provided with turntables with different diameters according to specific conditions.
Referring to fig. 6 and 7, in some embodiments of the present application, the plug body 100 includes a second channel 140, one end of the second channel 140 is communicated with the first channel 130, and the glue discharging port 120 is disposed at the other end of the second channel 140; when the moveable member 200 is in the second position, the plunger 210 is located at the junction of the first channel 130 and the second channel 140.
The plug body 100 comprises a second channel 140, the second channel 140 is disposed at the bottom of the first channel 130, one end of the second channel 140 is communicated with the first channel 130, and the glue discharging port 120 is disposed at the other end of the second channel 140 and at the bottom of the first channel 130, so that glue in the first channel 130 can flow into the second channel 140 and flow out from the glue discharging port 120; when the movable member 200 is at the second position, the plunger 210 is located at the connection between the first channel 130 and the second channel 140 to close the glue discharge opening 120.
Referring to fig. 1 to 4, in some embodiments of the present application, the plug body 100 is provided with a flange structure on an outer wall at the glue inlet 110 and/or the glue outlet 120.
The outer walls of the plug body 100 at the glue inlet 110 and the glue outlet 120 are provided with flange structures, the flange structures at the glue inlet 110 facilitate the connection of the plug body 100 with the kettle body 400 or other devices, the flange structures at the glue outlet 120 facilitate the connection of the plug body 100 with the glue outlet pipe or other devices, and the flange structures are used for improving the connection stability of the plug body 100 with other parts; specifically, the kettle 400 is provided with a flange structure at the glue outlet 420, which is matched with the plug 100, for improving the stability of the connection between the kettle 400 and the plug 100.
In the description herein, references to the description of "one embodiment," "some embodiments," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims (6)

1. Reation kettle, its characterized in that includes:
the glue mixing device comprises a kettle body, wherein a stirring cavity is arranged in the kettle body, a glue outlet channel is arranged at the bottom of the side surface of the kettle body, and a glue outlet communicated with the glue outlet channel is arranged on the bottom wall of the stirring cavity;
the sealing plug is arranged on the kettle body and comprises a plug body and a moving part, the plug body is provided with a glue inlet, a glue discharging port and a first channel, and the glue inlet and the glue discharging port are respectively communicated with the first channel; the movable piece is slidably arranged in the first channel and can slide between a first position and a second position; the movable piece comprises a plunger and a blocking rod, and one end of the blocking rod is connected with the plunger; wherein the content of the first and second substances,
when the movable piece is positioned at the first position, the stirring cavity, the glue outlet channel, the glue inlet, the first channel and the glue discharging port are sequentially communicated;
when the movable piece is located at the second position, the plunger cuts off the first channel and the glue discharging port, and the blocking rod is inserted into the glue discharging channel and closes the glue discharging port.
2. The reactor of claim 1, wherein the plunger is provided with at least one sealing ring.
3. The reaction kettle according to claim 1, wherein a limiting hole arranged along the moving direction of the plunger is arranged on the end surface of the plunger away from the glue inlet; the plug body is kept away from the one end of advancing the jiao kou is provided with the panel, be provided with on the panel with spacing post of spacing hole complex, spacing post slidable set up in spacing downthehole.
4. The reaction kettle according to claim 3, comprising a driving device, wherein the driving device comprises a screw rod and a rotating member, and one end of the screw rod is connected with the rotating member; the plunger is provided with a threaded hole, the panel is provided with an opening opposite to the threaded hole, and the other end of the screw rod penetrates through the opening and is in threaded connection with the threaded hole.
5. The reaction kettle according to claim 1, wherein the plug body comprises a second channel, one end of the second channel is communicated with the first channel, and the glue discharging port is arranged at the other end of the second channel; when the movable piece is in the second position, the plunger is located at the connection position of the first channel and the second channel.
6. The reaction kettle according to any one of claims 1 to 5, wherein the plug body is provided with a flange structure on an outer wall of the glue inlet and/or the glue outlet.
CN202121906163.8U 2021-08-13 2021-08-13 Reaction kettle Active CN215540876U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121906163.8U CN215540876U (en) 2021-08-13 2021-08-13 Reaction kettle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121906163.8U CN215540876U (en) 2021-08-13 2021-08-13 Reaction kettle

Publications (1)

Publication Number Publication Date
CN215540876U true CN215540876U (en) 2022-01-18

Family

ID=79835800

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121906163.8U Active CN215540876U (en) 2021-08-13 2021-08-13 Reaction kettle

Country Status (1)

Country Link
CN (1) CN215540876U (en)

Similar Documents

Publication Publication Date Title
CN208978034U (en) A kind of fluid pressure type discharge door mechanism of mixer
CN215540876U (en) Reaction kettle
CN103350821B (en) A kind of vacuum distribution
CN211159760U (en) Chemical industry reation kettle's premixing device
CN111055394A (en) Sealing rubber mixing device
CN207964350U (en) A kind of double valve control sampling kettle
CN206355981U (en) A kind of reactor suitable for sticky product
CN212722239U (en) Reaction kettle sampler
CN210037106U (en) Sealing structure is surveyed to reactor sealing door
CN212131326U (en) Connect blowing valve soon
CN203494512U (en) Normal pressure reaction kettle
CN214926957U (en) Double screw extruder is with preventing popping material vacuum exhaust apparatus
CN204015918U (en) A kind of screw extrusion type juicer
CN211904798U (en) Closed sampler
CN217321657U (en) Storage tank for pigment production
CN211886667U (en) Container structure for high-speed dispersion machine
CN218987010U (en) Material pumping device for sauce containing solid matters
CN220948786U (en) Filling valve for filling viscous granular material
CN219356048U (en) Configuration tank for drug blending
CN211117912U (en) Valve switch, combination valve and water bag
CN214635595U (en) Can raise efficient high-speed mixer
CN205517534U (en) Kneading machine
CN218077790U (en) Overhead tank capable of automatically metering for dripping
CN218625607U (en) Spiral self-locking discharge valve
CN218641601U (en) Chemical industry is with receiving groove

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant