CN113161948B - Extrusion type self-sealing type junction box - Google Patents
Extrusion type self-sealing type junction box Download PDFInfo
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- CN113161948B CN113161948B CN202110180494.6A CN202110180494A CN113161948B CN 113161948 B CN113161948 B CN 113161948B CN 202110180494 A CN202110180494 A CN 202110180494A CN 113161948 B CN113161948 B CN 113161948B
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- box body
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- 238000007789 sealing Methods 0.000 title claims abstract description 63
- 238000001125 extrusion Methods 0.000 title claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims description 51
- 239000002904 solvent Substances 0.000 claims description 38
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 24
- 238000010521 absorption reaction Methods 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 22
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 18
- 239000000049 pigment Substances 0.000 claims description 12
- 239000012295 chemical reaction liquid Substances 0.000 claims description 10
- 239000000565 sealant Substances 0.000 claims description 10
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 8
- 238000005260 corrosion Methods 0.000 claims description 8
- 230000007797 corrosion Effects 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 8
- 229920003051 synthetic elastomer Polymers 0.000 claims description 7
- 239000005061 synthetic rubber Substances 0.000 claims description 7
- 238000002955 isolation Methods 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 5
- 238000011161 development Methods 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 2
- 238000010070 extrusion (rubber) Methods 0.000 claims 7
- 239000003292 glue Substances 0.000 description 16
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 14
- 239000001569 carbon dioxide Substances 0.000 description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 description 7
- 239000012528 membrane Substances 0.000 description 6
- 241000283216 Phocidae Species 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 5
- 238000007689 inspection Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000004043 dyeing Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/088—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings or inlets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/02—Physical, chemical or physicochemical properties
- B32B7/022—Mechanical properties
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/081—Bases, casings or covers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/51—Elastic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2435/00—Closures, end caps, stoppers
Abstract
The invention discloses an extrusion type self-sealing type junction box, which belongs to the field of junction boxes and comprises a junction box body, wherein a matched box cover body is connected above the junction box body in a threaded manner, an annular self-sealing strip is fixedly connected to the side wall of the upper end of the junction box body, and an annular sealing groove matched with the annular self-sealing strip is formed in the side wall of the lower end of the box cover body.
Description
Technical Field
The invention relates to the field of junction boxes, in particular to an extrusion type self-sealing junction box.
Background
In home decoration, the junction box is one of electrical accessories, because the electric wire for decoration is passed through the electric wire tube, and the junction position of the electric wire (such as the line is longer, or the electric wire tube needs to turn around) adopts the junction box as transition, the electric wire tube is connected with the junction box, the electric wires in the wire tube are connected in the junction box to play the roles of protecting the electric wire and connecting the electric wire, and the junction box is the junction box. The thermocouple and thermal resistance junction box is used to fix the junction box and as the connector, it protects the temperature-sensing element from the erosion of the external atmosphere and makes the external wire contact with the junction box well, according to the measured temperature object and the site environment condition and requirement, besides the ordinary junction box, also designs the splash-proof, waterproof and plug-in junction box. If we assemble various types of junction boxes into thermocouple and thermistor products, these products are correspondingly splash proof, waterproof and plug in thermocouple and thermistor.
The common junction box is usually used in places with good environmental conditions and non-corrosive atmosphere, has the characteristic of simple structure, and can ensure that the wire holder and the protection tube are firmly connected on the junction box. The connecting wire and the temperature sensing element are connected through the connecting post, so that the electric contact performance is good. In some places with complex environment, the junction box is required to have good sealing performance and insulation performance, such as an explosion-proof junction box. The principle of the explosion-proof electrical appliance is to isolate the inside of electrical equipment which may generate electric sparks from the outside.
The existing explosion-proof junction box is made of cast aluminum alloy materials, although the structure is strong, the toughness of the junction box is crossed, a box cover connected by bolts can generate gaps due to deformation, so that the sealing performance is lost, and if inspection personnel have problems, the inspection personnel cannot inspect the circuits timely, so that the safe use of the circuits is influenced.
In the invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide an extrusion type self-sealing type junction box, the scheme is that an elastic reaction ball is deformed by utilizing the downward pressure of a box cover, calcium carbonate and hydrochloric acid react to generate a large amount of carbon dioxide gas, the expansion of the gas enables a sealant to break through a sealing film in an extrusion mode to release the sealing film to fill gaps, the sealing performance of the junction box is effectively improved, an insulating solution is filled in the junction box, the insulating performance of the junction box is effectively improved, when an internal circuit generates heat due to the fact that the internal circuit generates the heat, the expansion ball expands due to the heat to break through the partition plate in an extrusion mode, the pigment ball is dissolved by the insulating solution to become colored liquid, an inspector can know the situation in time, and the safety performance of the junction box is effectively improved.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The utility model provides an extrusion formula is from canned type terminal box, includes the terminal box body, the top threaded connection of terminal box body has the lid body of matching, the upper end lateral wall fixedly connected with annular of terminal box body is from the sealing strip, and the lower extreme lateral wall of lid body sets up the annular seal groove with annular self sealss strip matching, the annular is inlayed from the inner wall of sealing strip and is had a plurality of elastic reaction balls, the inner wall that annular self sealss strip is located elastic reaction ball both sides still inlays the crowded gluey ball of the hollow rigidity of multiunit, and the intercommunication has the breather pipe between two crowded gluey balls of rigidity of every group and the elastic reaction ball, the inner wall fixedly connected with of the crowded gluey ball of rigidity holds in the palm the membrane, and holds in the palm the top packing of membrane and have sealed glue, the annular is seted up a plurality ofly crowded gluey passageway that communicates with the crowded gluey ball of rigidity from the inner wall of sealing strip, and crowded gluey passageway is close to the inner wall fixedly connected with seal membrane of the crowded gluey ball of rigidity, sealed glue is equipped with many root plugs in the inner wall of terminal box body, and has offered the solvent chamber, and has filled with insulating solvent in the heat absorption piece, the inner wall of terminal box body, and has seted up the heat absorption piece of a plurality of developing heat absorption piece, and has the heat expansion ball, and has been connected with the heat absorption piece of heat expansion ball, and has been located the heat expansion in the heat absorption piece of heat absorption piece, and has the heat expansion solvent chamber, and has been connected with the heat expansion solvent.
Further, the annular is from rigid layer and the elastic layer that the sealing strip set up including from top to bottom, the elastic layer adopts synthetic rubber material to make, and synthetic rubber has good elasticity for the gap can be plugged up to the elastic layer after receiving extrusion deformation, effectively improves the leakproofness.
Further, the elastic reaction ball is the spherical shell of acid corrosion resistance, is in order to prevent to be corroded by hydrochloric acid, many reaction rods of elastic reaction ball upper end inner wall fixedly connected with, the acid corrosion resistance's of elastic reaction ball lower extreme inner wall fixedly connected with protection film, and the below packing of protection film has the reaction liquid that matches with the reaction rod, and calcium carbonate and hydrochloric acid reaction produce a large amount of carbon dioxide gas to let the support membrane swell in order to extrude sealed glue.
Furthermore, the reaction rod is made of calcium carbonate materials, the lower end of the reaction rod is arranged to be a pointed end, so that the protection film can be easily punctured by the reaction rod when the elastic reaction ball is extruded and deformed, and the reaction liquid is hydrochloric acid solution.
Furthermore, the heat absorbing sheet comprises a heat absorbing sheet and a heat absorbing rod, the heat absorbing sheet is fixedly connected to the inner wall of the junction box body, the heat absorbing rod penetrates through the inner wall of the junction box body to the insulating solvent, and the heat absorbing sheet absorbs heat inside the junction box body and transfers the heat to the heat absorbing rod.
Furthermore, the thermal expansion ball is made of a thermal expansion material, the thermal expansion ball expands and enlarges due to heat absorbed by the heat absorption rod, and the thermal expansion ball is of a hollow structure and is used for allowing the insulating solvent to enter the interior of the thermal expansion ball so as to dissolve the pigment ball.
Furthermore, the insulating solvent is an insulating solution, so that the pigment balls are dissolved while the insulating effect is achieved.
Furthermore, the puncture needle is made of resin materials and is of a pointed cone structure, so that the puncture needle can easily puncture the sealing film to release the sealing glue.
Further, terminal box body and lid body all adopt high strength resin material to make, are in order to guarantee holistic structural strength, and the skin of terminal box body is the transparent construction, is in order to make things convenient for letting the insulating solvent that patrols and examines the dyeing in order in time to clear away hidden danger.
Furthermore, the division board is made of thin-wall glass materials, the topmost end of the division board is located in the spherical cavity and abuts against the thermal expansion ball, the division board is arranged in an arched shape, and when the thermal expansion ball expands and grows, the division board is continuously extruded to break so that the insulating solvent can be poured into the thermal expansion ball.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) This scheme utilization lid overdraft makes the elastic reaction ball warp, let calcium carbonate and hydrochloric acid reaction produce a large amount of carbon dioxide gas, gaseous inflation makes sealed crowded broken seal membrane release in order to fill the gap, effectively improve the leakproofness of terminal box, the inside packing of terminal box has insulating solution, effectively improve the insulating nature of terminal box, when the internal circuit goes wrong and generates heat, the heat makes the inflation ball inflation in order to break the division board by squeezing, insulating solution dissolves the pigment ball in order to become coloured liquid, be convenient for patrol and examine personnel in time know the condition, effectively improve the security performance of terminal box.
(2) The annular is from rigid layer and the elastic layer that the sealing strip set up including from top to bottom, and the elastic layer adopts synthetic rubber material to make, and synthetic rubber has good elasticity for the gap can be plugged up to the elastic layer after receiving extrusion deformation, effectively improves the leakproofness.
(3) Elastic reaction ball is acid corrosion resistant spherical shell, is in order to prevent to be corroded by hydrochloric acid, and many reaction rods of elastic reaction ball upper end inner wall fixedly connected with, the acid corrosion resistant protection film of elastic reaction ball's lower extreme inner wall fixedly connected with, and the below packing of protection film has the reaction liquid that matches with the reaction rod, and calcium carbonate and hydrochloric acid reaction produce a large amount of carbon dioxide gas to let the support membrane swell in order to extrude sealed glue.
(4) The reaction rod is made of calcium carbonate material, the lower end of the reaction rod is arranged to be a tip, so that the protection film is easily punctured by the reaction rod when the elastic reaction ball is extruded and deformed, and the reaction liquid is hydrochloric acid solution.
(5) The heat absorbing sheet comprises a heat absorbing sheet and a heat absorbing rod, the heat absorbing sheet is fixedly connected to the inner wall of the junction box body, the heat absorbing rod penetrates through the inner wall of the junction box body to the insulating solvent, and the heat absorbing sheet absorbs heat inside the junction box body and transfers the heat to the heat absorbing rod.
(6) The thermal expansion ball is made of thermal expansion materials, the thermal expansion ball expands and becomes large due to heat absorbed by the heat absorption rod, and the thermal expansion ball is of a hollow structure and is used for enabling the insulating solvent to enter the interior of the thermal expansion ball to dissolve the pigment ball.
(7) The insulating solvent is an insulating solution, and the pigment balls are dissolved while the insulating effect is achieved.
(8) The puncture needle is made of resin materials and is of a pointed conical structure so as to easily puncture the sealing film to release the sealing glue.
(9) Junction box body and lid body all adopt high strength resin material to make, are in order to guarantee holistic structural strength, and the skin of junction box body is the transparent construction, are in order to make things convenient for let the insulating solvent that patrols and examines the dyeing in order in time to clear away hidden danger.
(10) The division board is made of thin-wall glass materials, the topmost end of the division board is located in the spherical cavity and is abutted against the thermal expansion ball, the division board is arranged in an arched shape, and when the thermal expansion ball expands and grows, the division board is continuously extruded to break so that the insulating solvent is poured into the thermal expansion ball.
Drawings
FIG. 1 is a schematic cross-sectional front view of the present invention;
FIG. 2 is a schematic top cross-sectional view of the present invention;
FIG. 3 is a schematic view of a partial cross-sectional structure of the annular self-sealing strip of the present invention;
FIG. 4 is a schematic view of the structure at A in FIG. 3;
FIG. 5 is a schematic view of a bottom partial cross-section of the junction box body of the present invention;
fig. 6 is a partial sectional view schematically illustrating the structure of the heat absorbing rod according to the present invention.
The reference numbers in the figures illustrate:
the structure comprises a junction box body 1, a box cover body 2, a self-sealing ring 3, a rigid layer 301, an elastic layer 302, an annular sealing groove 4, an elastic reaction ball 5, a reaction rod 501, a protective film 502, reaction liquid 503, a rigid glue extrusion ball 6, a support film 7, a sealant 8, a glue extrusion channel 9, a sealing film 10, a puncture needle 11, a solvent cavity 12, an insulating solvent 13, a color development heat absorption piece 14, a heat absorption sheet 1401, a heat absorption rod 1402, a heat expansion ball 15, a pigment ball 16, a solvent channel 17 and an isolation plate 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be 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 a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person skilled in the art without making creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "fitted/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Example (b):
referring to fig. 1-6, an extrusion type self-sealing type junction box comprises a junction box body 1, referring to fig. 1-3, a box cover body 2 is connected to the upper portion of the junction box body 1 in a threaded manner, the junction box body 1 and the box cover body 2 are both made of high-strength resin materials, in order to ensure the overall structural strength, the outer layer of the junction box body 1 is of a transparent structure, in order to facilitate inspection personnel to see a dyed insulating solvent 13 and remove hidden dangers, the upper end side wall of the junction box body 1 is fixedly connected with an annular self-sealing strip 3, the annular self-sealing strip 3 comprises a rigid layer 301 and an elastic layer 302 which are arranged up and down, the elastic layer 302 is made of synthetic rubber materials, the synthetic rubber has good elasticity, so that the elastic layer 302 can block gaps after being extruded and deformed, and the sealing performance is effectively improved, an annular sealing groove 4 matched with the annular self-sealing strip 3 is formed in the side wall of the lower end of the box cover body 2, a plurality of elastic reaction balls 5 are inlaid in the inner wall of the annular self-sealing strip 3, each elastic reaction ball 5 is an acid corrosion resistant ball shell and is prevented from being corroded by hydrochloric acid, a plurality of reaction rods 501 are fixedly connected to the inner wall of the upper end of each elastic reaction ball 5, a protective film 502 resistant to acid corrosion is fixedly connected to the inner wall of the lower end of each elastic reaction ball 5, reaction liquid 503 matched with the corresponding reaction rod 501 is filled below the corresponding protective film 502, calcium carbonate reacts with hydrochloric acid to generate a large amount of carbon dioxide gas, so that the supporting film 7 is bulged to extrude the sealant 8, each reaction rod 501 is made of calcium carbonate, the lower end of each reaction rod 501 is arranged to be pointed, the corresponding reaction rod 501 can easily puncture the corresponding protective film 502 when the elastic reaction ball 5 is extruded and deformed, and the corresponding reaction liquid 503 is a hydrochloric acid solution;
referring to fig. 4, a plurality of groups of hollow rigid glue squeezing balls 6 are further embedded in the inner walls of the annular self-sealing strip 3 located on two sides of the elastic reaction ball 5, a vent pipe is communicated between each group of two rigid glue squeezing balls 6 and the elastic reaction ball 5, a supporting film 7 is fixedly connected to the inner wall of each rigid glue squeezing ball 6, a sealant 8 is filled above the supporting film 7, a plurality of glue squeezing channels 9 communicated with the rigid glue squeezing balls 6 are formed in the inner wall of the annular self-sealing strip 3, a sealing film 10 is fixedly connected to the inner wall of each glue squeezing channel 9 close to the rigid glue squeezing ball 6, a plurality of puncture needles 11 are inserted into the sealing film 10 of the sealant 8, the puncture needles 11 are made of resin materials, the puncture needles 11 are of a pointed cone structure and are used for easily puncturing the sealing film 10 to release the sealant 8, a solvent cavity 12 is formed in the inner wall of the junction box body 1, an insulating solvent 13 is filled in the solvent cavity 12, the insulating solvent 13 is made of an insulating solution, and a pigment ball 16 is dissolved while the insulating effect is achieved;
referring to fig. 5-6, a plurality of color-developing heat absorbing members 14 are embedded in the inner wall of the junction box body 1, the color-developing heat absorbing members 14 penetrate through the insulating solvent 13, each heat absorbing sheet 1401 includes a heat absorbing sheet 1401 and a heat absorbing rod 1402, the heat absorbing sheet 1401 is fixedly connected to the inner wall of the junction box body 1, the heat absorbing rod 1402 penetrates through the inner wall of the junction box body 1 and penetrates into the insulating solvent 13, the heat absorbing sheet 1401 absorbs heat inside the junction box body 1 and transmits the heat to the heat absorbing rod 1402, a spherical cavity is formed in the inner wall of the color-developing heat absorbing member 14, a thermal expansion ball 15 is placed in the spherical cavity, the thermal expansion ball 15 is made of a thermal expansion material, the heat absorbing rod 1402 absorbs heat to expand and enlarge the thermal expansion ball 15, the thermal expansion ball 15 is of a hollow structure, the insulating solvent 13 enters the interior to dissolve the pigment ball 16, the pigment ball 16 is placed inside the thermal expansion ball 15, a solvent channel 17 communicated with the spherical cavity is formed in the inner wall of the color-developing member 14, the insulating solvent 13, the solvent channel 17 is fixedly connected to an isolation plate 18 adjacent to the inner wall of the thermal expansion ball 15, the isolation plate 18 is made of thin-wall glass, and the thermal expansion ball 18 is extruded and the thermal expansion ball 18, and the thermal expansion ball 15 is extruded to expand and the thermal expansion ball 15, and the thermal expansion ball 18 is extruded to expand the thermal expansion ball 15, and the thermal expansion plate 18, and the thermal expansion ball 15.
The working principle of the device is as follows: when the box cover body 2 is connected with the junction box body 1 through bolts, the elastic layer 302 is deformed by the downward pressure of the box cover body 2, the elastic reaction balls 5 are further deformed, the reaction rod 501 penetrates through the protective film 502 and reacts with the reaction liquid 503 to release a large amount of carbon dioxide, the carbon dioxide enters the lower portion of the support film 7 through the vent pipe, the support film 7 is pushed upwards by gas to extrude the sealant 8 along with the increasing of the gas yield, the sealant 8 pushes the puncture needle 11 to puncture the seal film 10 to enable the sealant 8 to flow into the annular seal groove 4 along the glue extrusion channel 9 to fill the gap, so that the self-sealing effect is achieved, when a circuit in the junction box body 1 generates heat, the heat in the junction box body 1 is absorbed by the heat absorption sheet 1401 and transmitted to the heat absorption rod 1402, the heat absorbed by the heat absorption rod 1402 enables the thermal expansion balls 15 to expand and expand to expand and extrude the isolation plate 18 to be broken so that the insulation solvent 13 is filled in, the pigment balls 16 are dissolved in the insulation solvent 13 to enable the color, and personnel can know that potential safety hazards exist in the circuit in the junction box body 1 through the circuit in the inspection process through the color, and can be conveniently removed in time.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and modifications within the scope of the present invention.
Claims (10)
1. The utility model provides an extrusion formula self sealing type terminal box, includes terminal box body (1), the top threaded connection of terminal box body (1) has lid body (2) of matching, its characterized in that: the heat absorption box is characterized in that the upper end side wall of the junction box body (1) is fixedly connected with an annular self-sealing strip (3), the lower end side wall of the box cover body (2) is provided with an annular sealing groove (4) matched with the annular self-sealing strip (3) from the annular self-sealing strip (3), the annular self-sealing strip (3) is embedded with a plurality of elastic reaction balls (5) from the inner wall of the sealing strip (5), the annular self-sealing strip (3) is further embedded with a plurality of groups of hollow rigid rubber extrusion balls (6), each group of two rigid rubber extrusion balls (6) and each elastic reaction ball (5) is communicated with a vent pipe, the inner wall of each rigid rubber extrusion ball (6) is fixedly connected with a support film (7), a sealant (8) is filled above the support film (7), the annular self-sealing strip (3) is provided with a plurality of rubber extrusion channels (9) communicated with the rigid rubber extrusion balls (6) from the inner wall of the sealing strip (3), the rubber extrusion channels (9) are close to the inner wall of the rigid rubber extrusion balls (6), the sealing films (10) are fixedly connected with the sealing films (8), a plurality of sealing films (10) are filled with a plurality of sealing films (10), the inner wall of the junction box body (1) is provided with a plurality of junction box (12), a solvent embedding cavities (14) and a plurality of solvents (14) are filled in the insulation solvent embedding medium (13) and penetrates through the heat absorption box body (14) and the heat absorption box body (1), the inner wall of the color development heat absorption piece (14) is provided with a spherical cavity, a thermal expansion ball (15) is placed in the spherical cavity, a pigment ball (16) is placed in the thermal expansion ball (15), the inner wall of one end, located in the insulating solvent (13), of the color development heat absorption piece (14) is provided with a solvent channel (17) communicated with the spherical cavity, and the inner wall, close to the thermal expansion ball (15), of the solvent channel (17) is fixedly connected with a partition plate (18).
2. The squeeze-type self-sealing terminal box according to claim 1, wherein: the annular self-sealing strip (3) comprises a rigid layer (301) and an elastic layer (302) which are arranged up and down, and the elastic layer (302) is made of synthetic rubber materials.
3. The squeeze-type self-sealing terminal box according to claim 1, wherein: elasticity reaction ball (5) are acid corrosion resistant spherical shell, many reaction rods (501) of elasticity reaction ball (5) upper end inner wall fixedly connected with, the protection film (502) of acid corrosion resistant of elasticity reaction ball (5)'s lower extreme inner wall fixedly connected with, and the below packing of protection film (502) has reaction liquid (503) that match with reaction rod (501).
4. The squeeze-type self-sealing terminal block according to claim 3, wherein: the reaction rod (501) is made of calcium carbonate materials, the lower end of the reaction rod (501) is arranged at a tip end, and the reaction liquid (503) is hydrochloric acid solution.
5. The squeeze-type self-sealing terminal box according to claim 1, wherein: the color development heat absorption piece (14) comprises a heat absorption sheet (1401) and a heat absorption rod (1402), the heat absorption sheet (1401) is fixedly connected to the inner wall of the junction box body (1), and the heat absorption rod (1402) penetrates through the inner wall of the junction box body (1) to the insulating solvent (13).
6. The squeeze-type self-sealing terminal box according to claim 1, wherein: the thermal expansion ball (15) is made of thermal expansion materials, and the thermal expansion ball (15) is of a hollow structure.
7. The squeeze-type self-sealing type junction box according to claim 1, wherein: the insulating solvent (13) is an insulating solution.
8. The squeeze-type self-sealing terminal box according to claim 1, wherein: the puncture needle (11) is made of resin materials, and the puncture needle (11) is of a pointed cone structure.
9. The squeeze-type self-sealing type junction box according to claim 1, wherein: the junction box comprises a junction box body (1) and a box cover body (2), wherein the junction box body (1) and the box cover body (2) are both made of high-strength resin materials, and the outer layer of the junction box body (1) is of a transparent structure.
10. The squeeze-type self-sealing terminal box according to claim 1, wherein: the isolation plate (18) is made of thin-wall glass materials, and the topmost end of the isolation plate (18) is located in the spherical cavity and is abutted to the thermal expansion ball (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110180494.6A CN113161948B (en) | 2021-02-09 | 2021-02-09 | Extrusion type self-sealing type junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110180494.6A CN113161948B (en) | 2021-02-09 | 2021-02-09 | Extrusion type self-sealing type junction box |
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| CN113161948A CN113161948A (en) | 2021-07-23 |
| CN113161948B true CN113161948B (en) | 2022-12-09 |
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| CN113784565B (en) * | 2021-09-16 | 2022-12-16 | 斐旻(上海)电子科技有限公司 | Dampproofing packaging body of electronic component |
| CN114759212B (en) * | 2022-06-16 | 2022-09-16 | 爱德曼氢能源装备有限公司 | Bipolar plate for fuel cell |
| CN117394234B (en) * | 2023-12-12 | 2024-02-09 | 江苏欧斯特精密机械有限公司 | High leakproofness water pump |
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| US7361835B2 (en) * | 2001-11-20 | 2008-04-22 | Commscope, Inc. Of North America | Toneable conduit and method of preparing same |
| EP1737282A4 (en) * | 2004-03-31 | 2010-05-05 | Mitsubishi Cable Ind Ltd | Circuit board, its manufacturing method, and joint box using circuit board |
| ES1063867Y (en) * | 2006-09-28 | 2007-03-16 | Simon Sa | BASE PLATES FOR EMPOTRABLE ELECTRICAL DEVICES |
| WO2010070753A1 (en) * | 2008-12-18 | 2010-06-24 | セイコーインスツル株式会社 | Wafer and method for manufacturing package product |
| CN101567534A (en) * | 2009-05-27 | 2009-10-28 | 江苏恒凯电气有限公司 | Shell of anticorrosion distribution box and preparation method thereof |
| KR101256985B1 (en) * | 2012-02-23 | 2013-04-24 | 강은진 | Electric appliance container system for being laid underground manually |
| CN206775053U (en) * | 2017-06-13 | 2017-12-19 | 宁波明禾新能源科技有限公司 | A kind of terminal box lid |
| CN209184177U (en) * | 2019-01-16 | 2019-07-30 | 刘承艳 | A kind of subway line box that humidity resistance is good |
| CN211183262U (en) * | 2019-12-17 | 2020-08-04 | 魏丹利 | Waterproof type building electrical junction box |
| CN211209218U (en) * | 2020-02-18 | 2020-08-07 | 江苏工程职业技术学院 | Electrical protection cover of junction box |
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