CN113872012B - Resin-filled heat-shrinkable connecting device for cable and use method - Google Patents
Resin-filled heat-shrinkable connecting device for cable and use method Download PDFInfo
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- CN113872012B CN113872012B CN202111070196.8A CN202111070196A CN113872012B CN 113872012 B CN113872012 B CN 113872012B CN 202111070196 A CN202111070196 A CN 202111070196A CN 113872012 B CN113872012 B CN 113872012B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
- H01R43/24—Assembling by moulding on contact members
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Abstract
The invention provides a thermal shrinkage connecting device for filling resin into a cable, which is used for filling resin into a connector, and comprises a defoaming mechanism, wherein the defoaming mechanism comprises: sealing cover; the glue filling unit is connected with the sealing cover; the air extraction unit is connected with the sealing cover; when the resin is filled, the glue filling gun and the negative pressure equipment work simultaneously, the resin flows into the connector sequentially through the glue filling gun and the glue filling unit, and air in the connector is led out of the inner cavity of the connector sequentially through the air suction unit and the negative pressure equipment; the invention has the beneficial effects that: through the cooperation between the bubble removal mechanism that sets up, encapsulating rifle, the negative pressure equipment, can make filling resin go on simultaneously with the extraction air, when the inner chamber of leading-in connector of resin, can carry out filling resin and get rid of the air in the connector inner chamber simultaneously, can prevent that the air in the connector inner chamber from forming the bubble in the resin, can effectually improve the quality of product.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a resin filling heat-shrinkable connecting device for cables and a use method of the resin filling heat-shrinkable connecting device for cables.
Background
The cable is typically a rope-like cable stranded from several wires or groups of wires (at least two in each group), each group being insulated from each other and often twisted around a center, with a highly insulating coating over the entire outer surface. The cable has an inner energized, outer insulated feature.
The connector is required to be additionally arranged in the using process of the cable so as to facilitate connection of the cable and the equipment interface, the connector is required to be subjected to glue pouring operation in the production process, resin is required to be led into the inner cavity of the connector, and the contact piece inside the connector is fixed, but air can be reserved in the connector in the existing glue pouring process, when the resin is filled on the connector, air can be remained in the resin to form bubbles, a large number of bubbles can influence the quality of the resin, and the product quality is easy to reduce.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a thermal shrinkage connecting device filled with resin for cables and a using method thereof.
The invention solves the technical problems by the following technical means:
the utility model provides a thermal shrinkage connecting device is filled with resin to cable for connector resin fills, thermal shrinkage connecting device includes removes bubble mechanism, remove bubble mechanism includes:
the sealing cover is matched with the connector and connected with the connector, so that a closed space is formed by the connector, and air is prevented from entering the connector;
the glue filling unit is connected with the sealing cover and is connected with a glue filling gun arranged outside and used for introducing resin into the connector;
the air extraction unit is connected with the sealing cover and is connected with peripheral negative pressure equipment and used for extracting air in the inner cavity of the connector; when resin is filled, the glue filling gun and the negative pressure equipment work simultaneously, the resin flows into the connector sequentially through the glue filling gun and the glue filling unit, and air in the connector is led out of the inner cavity of the connector sequentially through the air suction unit and the negative pressure equipment.
As the improvement of above-mentioned technical scheme, the encapsulating unit includes first connecting piece, encapsulating pipeline, first connecting piece is fixed to be set up in encapsulating pipeline mouth of pipe department, first connecting piece and encapsulating rifle discharge gate looks adaptation, and first connecting piece is connected with the encapsulating rifle, encapsulating pipeline stretches into the inner chamber of connector for isolated with the outside air when resin flows in the encapsulating rifle.
As an improvement of the technical scheme, the glue filling unit further comprises a fixing frame, a fixing rod, a lifting screw, a movable plate, a blocking ring and an elastic piece, wherein the fixing frame is fixedly arranged in an inner cavity of the glue filling pipeline, the fixing rod is fixedly arranged on the fixing frame, the lifting screw is fixedly arranged on the outer wall of the fixing rod, the movable plate is sleeved on the outer wall of the fixing rod, and the movable plate is in threaded fit with the lifting screw, so that the movable plate slowly ascends and descends;
the blocking ring is fixedly arranged on the inner wall of the glue filling pipeline, and the movable plate descends to be in contact with the blocking ring, so that the glue filling pipeline is closed;
the elastic piece is fixedly arranged on the fixing frame, and the elastic piece is contacted with the movable plate, so that the movable plate is lifted and reset, and the filling pipeline circulates.
As the improvement of above-mentioned technical scheme, the unit of bleeding includes second connecting piece, bleed pipeline, the fixed setting of second connecting piece is in bleed pipeline mouth of pipe department, second connecting piece and negative pressure equipment air inlet looks adaptation, and the second connecting piece is connected with negative pressure equipment, bleed pipeline stretches into the inner chamber to the connector for air in the connector is derived.
As the improvement of above-mentioned technical scheme, the connector includes casing, contact and holds the chamber, the contact joint is at the inner chamber of casing, form between contact and the casing and hold the chamber, resin flows into to holding the chamber through encapsulating rifle, encapsulating unit in proper order.
As an improvement of the technical scheme, the sealing cover is provided with a first swinging unit and a second swinging unit, the first swinging unit and the second swinging unit are identical in structure, the glue filling unit is arranged in the first swinging unit, and the air extraction unit is arranged in the second swinging unit.
As the improvement of the technical scheme, two groups of penetrating movable holes are symmetrically arranged on the sealing cover, the first swinging unit and the second swinging unit are respectively arranged on the movable holes, the first swinging unit comprises a fixed ring and an elastic sleeve, the fixed ring is fixedly connected with the elastic sleeve, and the glue filling unit is fixedly arranged in the fixed ring.
The application method of the thermal shrinkage connecting device filled with the resin for the cable comprises the following steps:
s1: connection and fixation
The glue filling unit is connected with a glue filling gun, and the air extracting unit is connected with negative pressure equipment;
s2: sealing barrier
The glue filling gun is moved to the upper part of the connector, and the sealing cover is contacted with the connector to form a closed space, so that air is prevented from entering;
s3: filling resin
The glue gun and the negative pressure equipment work simultaneously, the glue gun is filled with resin, the resin is led into the inner cavity of the connector through the glue filling unit, meanwhile, the negative pressure equipment absorbs air, and the air in the inner cavity of the connector is led out through the air pumping unit;
s4: thermal shrinkage sealing
After the resin is solidified, the cable is connected with the contact through a crimping or welding process, a heat-shrinkable sleeve is sleeved at the joint of the cable and the connector, the heat-shrinkable sleeve is shrunk, and the joint of the cable and the connector is sealed.
The invention has the beneficial effects that:
1. through the cooperation between the bubble removal mechanism that sets up, encapsulating rifle, the negative pressure equipment, can make filling resin go on simultaneously with the extraction air, when the inner chamber of leading-in connector of resin, can carry out filling resin and get rid of the air in the connector inner chamber simultaneously, can prevent that the air in the connector inner chamber from forming the bubble in the resin, can effectually improve the quality of product.
2. The bubble removing mechanism is provided with the air extracting unit, so that a negative pressure space is formed between the sealing cover and the connector, resin can be adsorbed when the resin is led into the inner cavity of the connector from the glue filling unit, the flowing speed of the resin can be effectively improved, and the resin can be effectively and conveniently filled quickly.
Drawings
FIG. 1 is a schematic flow chart of a method for using a resin-filled heat-shrinkable connecting device for cables according to an embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating the connection of the connector and the bubble removal mechanism according to an embodiment of the present invention;
FIG. 3 is a schematic view of a pumping unit according to an embodiment of the present invention;
fig. 4 is a schematic connection diagram of the glue filling unit according to an embodiment of the invention.
In the figure: 10. a connector; 11. a housing; 12. a contact; 13. a receiving chamber; 20. a bubble removing mechanism; 21. sealing cover; 211. a movable hole; 22. a first swing unit; 221. a fixing ring; 222. an elastic sleeve; 23. a glue filling unit; 231. a first connector; 232. a fixing frame; 233. a fixed rod; 234. lifting the screw; 235. a movable plate; 236. an elastic member; 237. a blocking ring; 238. a glue filling pipeline; 24. a second swing unit; 25. an air extraction unit; 251. a second connector; 252. and an air extraction pipeline.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Examples
As shown in fig. 2, 3 and 4, the heat-shrinkable connecting device for resin filling of a cable according to the present embodiment is used for resin filling of a connector 10, and the heat-shrinkable connecting device includes a bubble removing mechanism 20, and the bubble removing mechanism 20 includes:
the sealing cover 21 is matched with the connector 10, and the sealing cover 21 is connected with the connector 10, so that the connector 10 forms a closed space to block air from entering;
the glue filling unit 23 is connected with the sealing cover 21, and the glue filling unit 23 is connected with an external glue filling gun and is used for introducing resin into the connector 10;
the air extracting unit 25 is connected with the sealing cover 21, and the air extracting unit 25 is connected with peripheral negative pressure equipment and is used for extracting air in the inner cavity of the connector 10; when the resin is filled, the glue filling gun and the negative pressure equipment work simultaneously, the resin sequentially flows into the connector 10 through the glue filling gun and the glue filling unit 23, and the air in the connector 10 is sequentially led out of the inner cavity of the connector 10 through the air suction unit 25 and the negative pressure equipment.
When resin is filled, the sealing cover 21 is moved to the surface of the connector 10, and the sealing cover 21 is contacted with the connector 10, so that the glue filling unit 23 and the air extracting unit 25 extend into the inner cavity of the connector 10, then the glue filling gun and the negative pressure equipment work simultaneously, the resin in the glue filling gun is led into the glue filling unit 23 under the action of extrusion and is led into the inner cavity of the connector 10 through the glue filling unit 23, and meanwhile, the space in the connector 10 is adsorbed by the negative pressure equipment, and air is led into the negative pressure equipment through the air extracting unit 25; the filling of the resin and the extraction of the air are performed simultaneously, so that the air in the inner cavity of the connector 10 can be prevented from forming bubbles in the resin when the resin is led into the inner cavity of the connector 10, and the quality of a product is effectively improved; when the air in the connector 10 is led out, negative pressure can be formed in the connector 10, suction can be generated for the resin, and the resin can be quickly led into the connector 10, so that quick resin filling work is convenient.
As shown in fig. 4, the glue filling unit 23 includes a first connecting member 231 and a glue filling pipe 238, the first connecting member 231 is fixedly disposed at the nozzle of the glue filling pipe 238, the first connecting member 231 is adapted to the discharge port of the glue filling gun, and the first connecting member 231 is connected with the glue filling gun, and the glue filling pipe 238 extends into the inner cavity of the connector 10, so that the resin in the glue filling gun is isolated from the outside air when flowing.
When the resin is filled, the resin enters the inner cavity of the connector 10 through the filling pipeline 238, and when the resin is led into the inner cavity of the connector 10 through the filling pipeline 238, the resin forms a barrier with the outside air, namely, when the resin flows into the connector 10, the resin can be prevented from being contacted with the air, and then the air can be prevented from forming bubbles in the resin, so that the quality of a product can be effectively improved.
As shown in fig. 4, the glue filling unit 23 further includes a fixing frame 232, a fixing rod 233, a lifting screw 234, a movable plate 235, a blocking ring 237 and an elastic member 236, wherein the fixing frame 232 is fixedly disposed in an inner cavity of the glue filling pipeline 238, the fixing rod 233 is fixedly disposed on the fixing frame 232, the lifting screw 234 is fixedly disposed on an outer wall of the fixing rod 233, the movable plate 235 is sleeved on the outer wall of the fixing rod 233, and the movable plate 235 is in threaded fit with the lifting screw 234, so that the movable plate 235 slowly lifts;
the blocking ring 237 is fixedly arranged on the inner wall of the glue filling pipeline 238, and the movable plate 235 descends to be in contact with the blocking ring 237, so that the glue filling pipeline 238 is closed;
the elastic member 236 is fixedly disposed on the fixing frame 232, and the elastic member 236 contacts the movable plate 235, so that the movable plate 235 is lifted and reset to circulate the filling duct 238.
When the resin is led into the inner cavity of the glue filling pipeline 238, the movable plate 235 is pushed to move towards the direction of the elastic piece 236 by the resin, when the movable plate 235 moves, the movable plate 235 is in threaded fit with the lifting screw 234, the movable plate 235 slowly rotates to descend, when the movable plate 235 contacts with the blocking ring 237, the glue filling pipeline 238 is closed, namely the resin is not circulated, when the glue filling gun stops working, the glue filling gun stops leading in the resin, the extrusion force born by the elastic piece 236 is reduced, the movable plate 235 is driven by the elastic piece 236 to lift and reset, so that the glue filling pipeline 238 circulates, the filling quantity of the resin can be effectively changed from original single filling to at least two filling, namely, after one filling is completed, a period of time is stopped, then a path for floating bubbles is shortened, and the bubbles can be effectively and rapidly removed under the environment of external negative pressure.
As shown in fig. 3, the air extraction unit 25 includes a second connector 251 and an air extraction pipe 252, the second connector 251 is fixedly disposed at the pipe orifice of the air extraction pipe 252, the second connector 251 is adapted to the air inlet of the negative pressure device, and the second connector 251 is connected to the negative pressure device, and the air extraction pipe 252 extends into the inner cavity of the connector 10, so that the air in the connector 10 is led out.
When the resin is filled, the negative pressure equipment works, and the negative pressure equipment leads out the air in the connector 10 through the air exhaust pipeline 252, so that when the resin is in contact with the connector 10, the air in the connector 10 can be prevented from forming bubbles in the resin, and the quality of a product can be effectively improved.
As shown in fig. 2, the connector 10 includes a housing 11, a contact 12, and a receiving cavity 13, the contact 12 is clamped in an inner cavity of the housing 11, the receiving cavity 13 is formed between the contact 12 and the housing 11, and resin flows into the receiving cavity 13 sequentially through a glue gun and a glue filling unit 23.
When filling resin, will hold chamber 13 orientation sealed lid 21 direction setting, when filling resin, can make remove bubble mechanism 20 carry out the bubble work of removing, can effectually improve the quality of product.
As shown in fig. 2, the sealing cover 21 is provided with a first swinging unit 22 and a second swinging unit 24, the first swinging unit 22 and the second swinging unit 24 have the same structure, the glue filling unit 23 is arranged in the first swinging unit 22, and the air extracting unit 25 is arranged in the second swinging unit 24.
When filling resin or extracting air in the connector 10, the first swinging unit 22 and the second swinging unit 24 can enable the glue filling unit 23 and the air extracting unit 25 to swing in the inner cavity of the connector 10, so that the efficiency of filling resin is improved, the efficiency of air guiding out can be improved, and then when filling resin, the situation that air bubbles remain in the resin can be effectively prevented.
As shown in fig. 3, two sets of through holes 211 are symmetrically disposed on the sealing cover 21, the first swing unit 22 and the second swing unit 24 are respectively disposed on the through holes 211, the first swing unit 22 includes a fixing ring 221 and an elastic sleeve 222, the fixing ring 221 is fixedly connected with the elastic sleeve 222, and the glue filling unit 23 is fixedly disposed in the fixing ring 221.
When the resin is filled, the glue filling unit 23 is flexibly connected with the sealing cover 21 through the elastic sleeve 222, so that the glue filling unit 23 can swing, and then when the resin is filled, the resin can be conveniently filled to different positions, and the resin filling efficiency can be improved;
when air is extracted, the air extracting unit 25 can swing due to the fact that the air extracting unit 25 is flexibly connected with the sealing cover 21 through the elastic sleeve 222, and then when the air is extracted, air at different positions can be conveniently and rapidly led into the air extracting unit 25, and then the efficiency of the air extraction can be effectively improved.
The application method of the thermal shrinkage connecting device filled with the resin for the cable comprises the following steps:
s1: connection and fixation
The glue filling unit 23 is connected with a glue filling gun, and the air extracting unit 25 is connected with negative pressure equipment;
s2: sealing barrier
The glue gun is moved to the upper part of the connector 10, and the sealing cover 21 is contacted with the connector 10 to form a closed space, so that air is prevented from entering;
s3: filling resin
The glue gun and the negative pressure equipment work simultaneously, the glue gun is filled with resin, the resin is led into the inner cavity of the connector 10 through the glue filling unit 23, the negative pressure equipment absorbs air, and the air in the inner cavity of the connector 10 is led out through the air pumping unit 25;
s4: thermal shrinkage sealing
After the resin is solidified, the cable is connected with the contact 12 through a crimping or welding process, a heat-shrinkable sleeve is sleeved at the joint of the cable and the connector 10, the heat-shrinkable sleeve is shrunk, and the joint of the cable and the connector 10 is sealed
Through the cooperation between the glue filling unit 23 and the glue filling gun and the cooperation between the air extracting unit 25 and the negative pressure equipment, the air extracting work can be effectively performed while the resin is introduced, the air in the connector 10 can be effectively prevented from forming bubbles in the resin, a large number of bubbles can be effectively prevented from being generated, and the quality of products can be effectively improved; through the cooperation between the unit of bleeding 25 that sets up and the negative pressure equipment, can effectually make the inner chamber of connector 10 form the negative pressure, through the negative pressure can effectually carry out the drawing of resin, then can effectually improve the flow velocity of resin, can effectually improve the efficiency of filling resin.
It is noted that relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. The heat shrinkage connecting device is filled with resin to cable for connector (10) resin fills, its characterized in that: the heat-shrinkable connecting device comprises a bubble removing mechanism (20), and the bubble removing mechanism (20) comprises:
the sealing cover (21) is matched with the connector (10), and the sealing cover (21) is connected with the connector (10) so that the connector (10) forms a closed space to block air from entering;
the glue filling unit (23) is connected with the sealing cover (21), and the glue filling unit (23) is connected with an external glue filling gun and is used for introducing resin into the connector (10);
the air extraction unit (25) is connected with the sealing cover (21), and the air extraction unit (25) is connected with external negative pressure equipment and is used for extracting air in the inner cavity of the connector (10); when resin is filled, the glue filling gun and the negative pressure equipment work simultaneously, the resin flows into the connector (10) through the glue filling gun and the glue filling unit (23) in sequence, and air in the connector (10) is led out of the inner cavity of the connector (10) through the air pumping unit (25) and the negative pressure equipment in sequence;
the glue filling unit (23) comprises a first connecting piece (231) and a glue filling pipeline (238), the first connecting piece (231) is fixedly arranged at the pipe orifice of the glue filling pipeline (238), the first connecting piece (231) is matched with the discharge port of the glue filling gun, the first connecting piece (231) is connected with the glue filling gun, and the glue filling pipeline (238) stretches into the inner cavity of the connector (10) so that resin in the glue filling gun is isolated from the outside air when flowing;
the glue filling unit (23) further comprises a fixing frame (232), a fixing rod (233), a lifting screw (234), a movable plate (235), a blocking ring (237) and an elastic piece (236), wherein the fixing frame (232) is fixedly arranged in an inner cavity of a glue filling pipeline (238), the fixing rod (233) is fixedly arranged on the fixing frame (232), the lifting screw (234) is fixedly arranged on the outer wall of the fixing rod (233), the movable plate (235) is sleeved on the outer wall of the fixing rod (233), and the movable plate (235) is in threaded fit with the lifting screw (234) so that the movable plate (235) slowly lifts;
the blocking ring (237) is fixedly arranged on the inner wall of the glue filling pipeline (238), and the movable plate (235) descends to be in contact with the blocking ring (237) so that the glue filling pipeline (238) is closed;
the elastic piece (236) is fixedly arranged on the fixed frame (232), and the elastic piece (236) is contacted with the movable plate (235) to enable the movable plate (235) to be lifted and reset, so that the filling pipeline (238) can circulate.
2. The resin filled heat shrink connection device for cables of claim 1 wherein: the air extraction unit (25) comprises a second connecting piece (251) and an air extraction pipeline (252), the second connecting piece (251) is fixedly arranged at the pipe orifice of the air extraction pipeline (252), the second connecting piece (251) is matched with an air inlet of negative pressure equipment, the second connecting piece (251) is connected with the negative pressure equipment, and the air extraction pipeline (252) stretches into an inner cavity of the connector (10) to lead out air in the connector (10).
3. The resin filled heat shrink connection device for cables of claim 1 wherein: the connector (10) comprises a shell (11), a contact (12) and a containing cavity (13), wherein the contact (12) is clamped in the inner cavity of the shell (11), the containing cavity (13) is formed between the contact (12) and the shell (11), and resin sequentially flows into the containing cavity (13) through a glue filling gun and a glue filling unit (23).
4. The resin filled heat shrink connection device for cables of claim 1 wherein: the sealing cover (21) is provided with a first swinging unit (22) and a second swinging unit (24), the first swinging unit (22) and the second swinging unit (24) are identical in structure, the glue filling unit (23) is arranged in the first swinging unit (22), and the air extraction unit (25) is arranged in the second swinging unit (24).
5. The resin filled heat shrink connection device for cables of claim 4 wherein: the sealing cover is characterized in that two groups of penetrating movable holes (211) are symmetrically formed in the sealing cover (21), the first swinging unit (22) and the second swinging unit (24) are respectively arranged on the movable holes (211), the first swinging unit (22) comprises a fixed ring (221) and an elastic sleeve (222), the fixed ring (221) is fixedly connected with the elastic sleeve (222), and the glue filling unit (23) is fixedly arranged in the fixed ring (221).
6. A method of using a resin filled heat shrink connection device for cables as claimed in claim 3 wherein: the method comprises the following steps:
s1: connection and fixation
The glue filling unit (23) is connected with a glue filling gun, and the air extracting unit (25) is connected with negative pressure equipment;
s2: sealing barrier
The glue gun is moved to the upper part of the connector (10), and the sealing cover (21) is contacted with the connector (10) to form a closed space, so that air is prevented from entering;
s3: filling resin
The glue filling gun and the negative pressure equipment work simultaneously, resin is injected into the glue filling gun, the resin is led into the inner cavity of the connector (10) through the glue filling unit (23), meanwhile, the negative pressure equipment absorbs air, and the air in the inner cavity of the connector (10) is led out through the air extraction unit (25);
s4: thermal shrinkage sealing
After the resin is solidified, the cable is connected with the contact (12) through a crimping or welding process, a heat-shrinkable sleeve is sleeved at the joint of the cable and the connector (10), the heat-shrinkable sleeve is shrunk, and the joint of the cable and the connector (10) is sealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111070196.8A CN113872012B (en) | 2021-09-13 | 2021-09-13 | Resin-filled heat-shrinkable connecting device for cable and use method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111070196.8A CN113872012B (en) | 2021-09-13 | 2021-09-13 | Resin-filled heat-shrinkable connecting device for cable and use method |
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| CN113872012B true CN113872012B (en) | 2023-09-29 |
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| CN210585700U (en) * | 2019-08-21 | 2020-05-22 | 深圳市道丰宁科技有限公司 | Sealed encapsulating advancing device |
| CN211057575U (en) * | 2019-08-24 | 2020-07-21 | 刘露 | Crack pouring gun head structure for repairing asphalt pavement cracks |
| CN110950289A (en) * | 2019-12-13 | 2020-04-03 | 含山县金中环装饰材料有限公司 | Quantitative liquid glue filling equipment |
| CN213727478U (en) * | 2020-09-11 | 2021-07-20 | 绍兴光彩显示技术有限公司 | Glue filling device for producing white light nixie tube |
| CN112893003A (en) * | 2020-12-29 | 2021-06-04 | 深圳市苇渡智能科技有限公司 | Glue filling method and glue filling assembly of propeller |
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