CN113483290B - Isolated form LED explosion-proof lamp - Google Patents
Isolated form LED explosion-proof lamp Download PDFInfo
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- CN113483290B CN113483290B CN202110827255.5A CN202110827255A CN113483290B CN 113483290 B CN113483290 B CN 113483290B CN 202110827255 A CN202110827255 A CN 202110827255A CN 113483290 B CN113483290 B CN 113483290B
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- 229920001971 elastomer Polymers 0.000 claims abstract description 69
- 239000005060 rubber Substances 0.000 claims abstract description 69
- 238000000034 method Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 21
- 229910000831 Steel Inorganic materials 0.000 abstract description 10
- 239000010959 steel Substances 0.000 abstract description 10
- 238000004880 explosion Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 17
- 239000002360 explosive Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V15/00—Protecting lighting devices from damage
- F21V15/01—Housings, e.g. material or assembling of housing parts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V25/00—Safety devices structurally associated with lighting devices
- F21V25/12—Flameproof or explosion-proof arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V31/00—Gas-tight or water-tight arrangements
- F21V31/005—Sealing arrangements therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention relates to the technical field of explosion-proof lamps, in particular to an isolated LED explosion-proof lamp; the rubber sealing device comprises a second rubber block, an arc-shaped groove, a first rubber block, an arc-shaped bulge, a second sliding block, a spring and a horn; when explosion occurs in the box body, impact force generated in the box body impacts the box body, so that the plane plate and the arc plate tend to split, and when the plane plate and the arc plate split, the steel wire rope blocks the interior of the box body, the steel wire rope twisted together with multiple strands has strong tensile property, so that when the steel wire rope receives impact force in the third groove for stretching, the steel wire rope is in contact with the roller, and friction of the steel wire rope on the outer wall of the box body is reduced.
Description
Technical Field
The invention relates to the technical field of explosion-proof lamps, in particular to an isolated LED explosion-proof lamp.
Background
The LED explosion-proof lamp is one of explosion-proof lamps, has the same principle as the explosion-proof lamp, is only provided with an LED light source, and is a lamp adopting various specific measures for preventing surrounding explosive mixtures such as explosive gas environment, explosive dust environment, gas and the like from being ignited, is the most energy-saving explosion-proof lamp at present, and is widely applied to oil fields, power plants, chemical plants, petroleum troops;
a technical solution related to an isolated LED explosion-proof lamp also appears in the prior art, and a chinese patent with application number CN2014101088005 discloses an LED explosion-proof lamp, which includes a carrying module, an electronic control module, a heat dissipation module, a light emitting module, a covering module and an explosion-proof module, wherein the carrying module has a body and an accommodating space with an opening, a support arm extending from an outer surface of the body and at least being horizontal or inclined with respect to the body is provided, the support arm has a joint portion for connecting another LED explosion-proof lamp in series or for fixing, and the explosion-proof module is provided in the joint portion;
in the prior art, an electric control module, a heat dissipation module, a light emitting module, a covering module and an explosion-proof module are arranged; the lamp group has the advantages of convenient assembly and multi-angle serial connection, and can achieve the effect of assembling a lamp group with rich variation; however, when the cable and the lead are directly connected to the main shell in the wiring process in the prior art, the sealing ring is aged or not pressed tightly, so that the sealing performance of the cable is reduced, and the problem of direct combustion or explosion propagation is caused.
In view of this, the invention provides an isolated LED explosion-proof lamp, which solves the above problems.
Disclosure of Invention
In order to make up the defects of the prior art, the problem that when a cable and a lead are directly connected into a main shell during wiring in the prior art, the sealing ring is aged or not pressed tightly, so that the sealing performance of the cable is reduced, and combustion or explosion propagation is directly generated is solved; the invention provides an isolated LED explosion-proof lamp.
The technical scheme adopted by the invention for solving the technical problems is as follows: an isolated LED explosion-proof lamp comprises a lamp body and a wiring terminal, wherein the lamp body is positioned at the lower end of the wiring terminal; the wiring terminal is divided into an upper end body and a lower end body, and the upper end body and the lower end body are connected through a locking bolt; the lower end body is internally and uniformly provided with through grooves for connecting cables, the lower end body is internally and uniformly provided with an annular groove, the annular groove surrounds the outer ring of the through groove, the annular groove is communicated with the through groove, the through grooves are fixedly connected with a horn, the horn is made of high-temperature-resistant rubber, the annular groove is uniformly and slidably connected with a first block, the first block is positioned on one side of the horn away from the through groove, the lower end body is internally and uniformly provided with an L-shaped groove, one end of the L-shaped groove, which is vertical to the horizontal plane, is positioned on the upper end face of the lower end body, one end of the L-shaped groove parallel to the horizontal plane is communicated with the outer ring of the annular groove, a first sliding block and a second sliding block are connected in the L-shaped groove in a sliding mode, the first sliding block is perpendicular to the horizontal plane, the second sliding block is parallel to the horizontal plane, the lower end of the first sliding block and one end, far away from the through groove, of the second sliding block are extruded, one end, close to the through groove, of the second sliding block is fixedly connected with the first sliding block, a protruding block is uniformly arranged on the lower end face of the upper end body, and the protruding block corresponds to an opening in the upper end of the L-shaped groove;
when the high-temperature-resistant elastic rubber cable sealing device is used, the connecting terminal is divided into the upper end body and the lower end body, the through groove is uniformly formed in the lower end body, a cable penetrates into the through groove, after the cable is connected into the through groove, the upper end body and the lower end body are combined through the locking bolt, when the upper end body and the lower end body are combined, the lug at the lower end of the upper end body is embedded into the L-shaped groove of the lower end body, after the lug enters the L-shaped groove, the lug extrudes the first sliding block in the L-shaped groove, the first sliding block slides towards the direction far away from the upper end body, when the first sliding block slides, the first sliding block extrudes one end, far away from the through groove, of the second sliding block, the second sliding block slides towards one end close to the through groove, when the second sliding block slides, the first sliding block drives the first block to extrude towards the through groove, when the first block moves, because the first cylinder is high-temperature-resistant elastic rubber, when the first sliding block slides in the annular groove, the first sliding block drives the first sliding block to extrude the first sliding block into the through groove, thereby the cable, the first sliding block, the cable is directly, and the first sealing effect of the cable is improved.
Preferably, the lower end face of the upper end body is fixedly connected with a first rubber block, the upper end face of the lower end body is fixedly connected with a second rubber block, and the second rubber block does not block the openings at the upper ends of the through groove and the L-shaped groove;
during the use, the lower terminal surface through at the last end body has linked firmly a block rubber, evenly linked firmly No. two block rubbers through the up end at the lower end body, and make No. two block rubbers not to the upper end opening that link up groove and L shape groove carry out the shutoff, when the upper end body merges with the lower end body, the lower terminal surface of the upper end body contacts with the up end of the lower end body, thereby make a block rubber and No. two block rubbers contact, afterwards through rotating the locking bolt, make and laminate between the upper end body and the lower end body, thereby make a block rubber and No. two block rubbers closely combine, thereby make the upper end body closely laminate with the lower end body, thereby make the inside sealed effect of lamp body increase.
Preferably, the upper end surface of the second rubber block is uniformly provided with arc-shaped grooves, the inner walls of the arc-shaped grooves are arc-shaped, the lower end surface of the first rubber block is uniformly provided with arc-shaped bulges, the lower ends of the arc-shaped bulges are arc-shaped, and the arc-shaped bulges correspond to the arc-shaped grooves;
during the use, arc recess has evenly been seted up through the up end that makes No. two rubber blocks, it is protruding evenly to set up the arc through the lower terminal surface at a rubber block, and make arc arch and arc recess correspond each other, when the upper end body contacts with the lower end body, a rubber block contacts with No. two rubber blocks, afterwards through rotating the locking bolt, it closely combines to advance between the messenger upper end body and the lower end body, thereby in arc arch embedding arc recess on a rubber block and No. two rubber blocks, thereby make the area of contact between a rubber block and No. two rubber blocks increase, thereby make the sealed effect between a rubber block and No. two rubber blocks increase.
Preferably, one end of each first block, which is close to the through groove, is an arc surface a, the position of each first block, which is far away from the through groove, is an arc surface B, the arc surfaces a and B are the same circle center, the circle centers of the arc surfaces a and B are located on a central axis of the through groove, and the diameter of the arc surface a is smaller than that of the arc surface B;
when the cable connector is used, one end of the first block close to the through groove is the cambered surface A, one end of the first block far away from the through groove is the cambered surface B, the cambered surface A and the cambered surface B are the same in circle center, the diameter of the cambered surface A is smaller than that of the cambered surface B, in an initial state, adjacent first blocks are not in contact, when the first slider extrudes the second slider, the second slider drives the first block to extrude the first horn, when the first block extrudes the first horn, and the first horn extrudes a cable in the through groove, two ends of the adjacent first blocks are in contact, so that the first block forms an annular shape, a gap between the adjacent first blocks is reduced, and the sealing effect of the first block and the first horn on the cable is improved.
Preferably, the two ends of the first block are both provided with a first groove, and the first grooves on the adjacent first blocks are respectively arranged on the cambered surface A and the cambered surface B, so that the first blocks are in a circular ring shape after being contacted with each other;
when the sealing device is used, the grooves are formed in the two ends of the first block, the grooves between the adjacent first blocks are arranged in a staggered mode, when the first block extrudes the second block, the second block drives the first block to extrude the annular groove and the first sleeve between the through grooves, when the first block moves towards the through grooves, the grooves are different in the arrangement positions of the first grooves on the adjacent first blocks, and when the first block moves towards the through grooves, the grooves between the adjacent first blocks are meshed with each other, so that the first blocks form a circular ring shape, the contact area between the first blocks is increased, and the sealing effect between the first grooves is improved.
Preferably, each second sliding block is divided into two sections, the two sections of the second sliding block are fixedly connected through a spring, and the elasticity of the spring is greater than that of a horn;
when the lamp is used, the two sections of the second sliding block are arranged in two sections, the two sections of the second sliding block are fixedly connected through the spring, the elasticity of the spring is larger than that of the first sleeve, when the first sliding block moves, the first sliding block extrudes the second sliding block, the second sliding block moves towards the direction close to the through groove, after the second sliding block is extruded, one section of the second sliding block, which is close to the first sliding block, is fixed and does not move, when the second sliding block moves, the second sliding block drives the first sliding block to move, when the first sliding block extrudes a cable in the through groove, the spring is in a contraction state, when the lamp is used for a long time, if the outer ring of the cable is extruded for a long time, when the cable in the outer ring is slightly damaged, the spring slightly extends, the spring pushes the second sliding block to move towards the direction of the first sliding block, so that the first sliding block and the first sleeve keep continuously sealed against the cable, and the sealing effect inside the lamp body is improved.
The invention has the following beneficial effects:
1. the isolated LED explosion-proof lamp is characterized in that a second rubber block, an arc-shaped groove, a first rubber block and an arc-shaped bulge are arranged; when the upper end body contacts with the lower end body, a rubber block contacts with a rubber block II, and then the upper end body and the lower end body are tightly combined by rotating the locking bolt, so that the arc-shaped bulge on the rubber block I and the rubber block II is embedded into the arc-shaped groove, the contact area between the rubber block I and the rubber block II is increased, and the sealing effect between the rubber block I and the rubber block II is increased.
2. The invention relates to an isolated LED explosion-proof lamp, which is characterized in that a second sliding block, a spring and a horn are arranged; when explosion occurs in the box body, impact force generated in the box body impacts the box body, so that the plane plate and the arc plate tend to split, and when the plane plate and the arc plate split, the steel wire rope blocks the interior of the box body, the steel wire rope twisted together with multiple strands has strong tensile property, so that when the steel wire rope receives the impact force in the third groove for stretching, the steel wire rope is in contact with the roller, and the friction of the steel wire rope on the outer wall of the box body is reduced.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a cross-sectional view of the terminal;
FIG. 4 is an enlarged view of a portion of FIG. 3 at B;
FIG. 5 is a structural view of block number one in FIG. 3;
in the figure: the locking bolt comprises an upper end body 1, a convex block 11, a first rubber block 12, an arc-shaped bulge 121, a second rubber block 13, an arc-shaped groove 131, a lower end body 2, a through groove 21, an annular groove 22, a horn 23, a first block 24, a first groove 241, an L-shaped groove 25, a first sliding block 251, a second sliding block 252, a spring 26 and a locking bolt 3.
Detailed Description
The present invention will be further described with reference to the following detailed description so that the technical means, the creation features, the achievement purposes and the effects of the present invention can be easily understood.
As shown in fig. 1 to 5, an isolated LED explosion-proof lamp includes a lamp body and a connection terminal, wherein the lamp body is located at a lower end of the connection terminal; the wiring terminal is divided into an upper end body 1 and a lower end body 2, and the upper end body 1 and the lower end body 2 are connected through a locking bolt 3; through grooves 21 are uniformly formed in the lower end body 2, the through grooves 21 are used for connecting cables, annular grooves 22 are uniformly formed in the lower end body 2, the annular grooves 22 surround the outer ring of the through grooves 21, the annular grooves 22 are communicated with the through grooves 21, a horn 23 is fixedly connected in the through grooves 21, the horn 23 is made of high-temperature-resistant rubber, a first block 24 is uniformly and slidably connected in the annular grooves 22, the first block 24 is positioned on one side, away from the through grooves 21, of the horn 23, an L-shaped groove 25 is uniformly formed in the lower end body 2, one end, perpendicular to the horizontal plane, of the L-shaped groove 25 is positioned on the upper end face of the lower end body 2, one end, parallel to the horizontal plane, of the L-shaped groove 25 is communicated with the outer ring of the annular grooves 22, a first sliding block 251 and a second sliding block 252 are slidably connected in the L-shaped groove 25, the first sliding block 251 is perpendicular to the horizontal plane, the second sliding block 252 is parallel to the horizontal plane, the lower end face of the first sliding block 251 and one end face of the second sliding block 252 are extruded, the end face of the second sliding block is close to the through grooves 24, the upper end face of the lug 11 is fixedly connected with the upper end face of the lug 11, and the lug 11;
when the high-temperature-resistant cylinder type cable connector is used, the connecting terminal is divided into the upper end body 1 and the lower end body 2, the through grooves 21 are uniformly formed in the lower end body 2, cables penetrate into the through grooves 21, when the cables are connected into the through grooves 21, the upper end body 1 and the lower end body 2 are combined through the locking bolts 3, when the upper end body 1 and the lower end body 2 are combined, the lug 11 at the lower end of the upper end body 1 is embedded into the L-shaped groove 25 of the lower end body 2, after the lugs 11 enter the L-shaped groove 25, the lugs 11 extrude the first sliding block 251 in the L-shaped groove 25, the first sliding block 251 slides in the direction far away from the upper end body 1, when the first sliding block 251 slides, the first sliding block 251 extrudes the end, far away from the through grooves 21, the second sliding block 252 slides towards the end close to the through grooves 21, when the second sliding block 252 slides, the first sliding block 24 is fixedly connected with the first sliding block 252, when the second sliding block 252 slides, the first sliding block 24 drives the first sliding block 24 to the through grooves 21, when the first sliding block 24 is pushed, the first sliding block 23 is directly pushed, and the first sliding block 23, thereby the sealing effect of the first sliding block 23 is improved, when the first cylinder is achieved, the first cylinder type cable is achieved, the first cylinder is improved, and the first cylinder 23, and the sealing effect is improved, and the sealing effect is achieved when the first cylinder is achieved, and the first cylinder 21, and the first cylinder is improved.
As a specific embodiment of the invention, the lower end face of the upper end body 1 is fixedly connected with a first rubber block 12, the upper end face of the lower end body 2 is fixedly connected with a second rubber block 13, and the second rubber block 13 does not block the upper end openings of the through groove 21 and the L-shaped groove 25;
during the use, through having linked firmly rubber block 12 at the lower terminal surface of the last end body 1, through having linked firmly No. two rubber blocks 13 evenly at the up end of the lower end body 2, and make No. two rubber blocks 13 not to the upper end opening that link up groove 21 and L shape groove 25 shutoff, when the upper end body 1 merges with the lower end body 2, the lower terminal surface of the upper end body 1 contacts with the up end of the lower end body 2, thereby make rubber block 12 and No. two rubber blocks 13 contact, through rotating locking bolt 3 afterwards, laminate between messenger's upper end body 1 and the lower end body 2, thereby make rubber block 12 and No. two rubber blocks 13 carry out the close bonding, thereby make upper end body 1 and lower end body 2 carry out the close bonding, thereby make the inside sealed effect of lamp body increase.
As a specific embodiment of the present invention, the upper end surface of the second rubber block 13 is uniformly provided with arc-shaped grooves 131, the inner walls of the arc-shaped grooves 131 are arc-shaped, the lower end surface of the first rubber block 12 is uniformly provided with arc-shaped protrusions 121, the lower ends of the arc-shaped protrusions 121 are arc-shaped, and the arc-shaped protrusions 121 correspond to the arc-shaped grooves 131;
during the use, arc recess 131 has evenly been seted up through the up end that makes No. two rubber blocks 13, evenly set up arc arch 121 through the lower terminal surface at a rubber block 12, and make arc arch 121 and arc recess 131 correspond to each other, when the upper end body 1 contacts with lower end body 2, a rubber block 12 contacts with No. two rubber blocks 13, afterwards through rotating locking bolt 3, make and advance between upper end body 1 and the lower end body 2 and closely combine, thereby arc arch 121 embedding arc recess 131 on a rubber block 12 and No. two rubber blocks 13 is interior, thereby make the area of contact between a rubber block 12 and No. two rubber blocks 13 increase, thereby make the sealed effect between a rubber block 12 and No. two rubber blocks 13 increase.
As a specific embodiment of the invention, one end of each first block 24, which is close to the through slot 21, is an arc surface a, the position of each first block 24, which is far away from the through slot 21, is an arc surface B, the arc surfaces a and B are the same circle center, the circle centers of the arc surfaces a and B are located on the central axis of the through slot 21, and the diameter of the arc surface a is smaller than that of the arc surface B;
when the cable sealing device is used, one end, close to the through groove 21, of the first block 24 is the arc surface A, one end, away from the through groove 21, of the first block 24 is the arc surface B, the arc surface A and the arc surface B are the same circle center, the diameter of the arc surface A is smaller than that of the arc surface B, in an initial state, the adjacent first blocks 24 are not in contact, when the first slider 251 extrudes the second slider 252, the second slider 252 drives the first block 24 to extrude the first horn 23, when the first block 24 extrudes the first horn 23, and when the first horn 23 extrudes a cable penetrating in the through groove 21, two ends of the adjacent first blocks 24 are in contact, so that the first blocks 24 form an annular shape, gaps between the adjacent first blocks 24 are reduced, and the cable sealing effect of the first blocks 24 and the first horn 23 on the cable is improved.
As a specific embodiment of the present invention, the first grooves 241 are respectively formed at two ends of the first block 24, and the first grooves 241 on adjacent first blocks 24 are respectively formed on the arc surface a and the arc surface B, so that the first blocks 24 form a circular ring shape after contacting each other;
when the sealing device is used, the first grooves 241 are formed in the two ends of the first block 24, the first grooves 241 between the adjacent first blocks 24 are arranged in a staggered mode, when the first sliding block 251 extrudes the second sliding block 252, the second sliding block 252 drives the first block 24 to extrude the annular groove 22 and the first horn 23 between the through grooves 21, when the first block 24 moves into the through grooves 21, the first grooves 241 between the adjacent first blocks 24 are meshed with each other due to different arrangement positions of the first grooves 241 on the adjacent first blocks 24, when the first block 24 moves into the through grooves 21, the first grooves 241 between the adjacent first blocks 24 are meshed with each other, the first blocks 24 form an annular shape, and therefore when the first blocks 24 contact, the contact area between the first blocks 24 is increased, and the sealing effect between the first grooves 241 is increased.
As a specific embodiment of the present invention, each second sliding block 252 is divided into two sections, the two sections of the second sliding block 252 are fixedly connected by a spring 26, and the elasticity of the spring 26 is greater than that of a horn 23;
when the lamp is used, the second slider 252 is arranged in two sections, the two sections of the second slider 252 are fixedly connected through the spring 26, the elasticity of the spring 26 is larger than that of the first horn 23, when the first slider 251 moves, the first slider 251 extrudes the second slider 252, so that the second slider 252 moves towards the direction close to the through groove 21, after the second slider is extruded, one section of the second slider 252 close to the first slider 251 is fixed and does not move, when the second slider 252 moves, the second slider 252 drives the first block 24 to move, when the first block 24 extrudes a cable wire in the through groove 21, the spring 26 is in a contraction state, when the cable wire is used for a long time, if the outer ring of the cable wire is extruded for a long time, and the outer ring of the cable wire is slightly damaged, the spring 26 slightly extends, the spring 26 pushes the second slider 252 to move towards the direction of the first block 24 away from the section of the first slider 251, so that the first block 24 and the first horn 23 keep continuous sealing of the cable wire, and the sealing effect of the inner part of the lamp body is improved.
The specific working process is as follows:
when the first slider 251 slides, the first slider 251 extrudes one end of the second slider 252, which is far away from the through groove 21, so that the second slider 252 slides towards one end close to the through groove 21, when the second slider 252 slides, the first slider 24 is fixedly connected with one end of the second slider 252, so that the second slider 252 drives the first block 24 to extrude into the through groove 21, the first slider 24 extrudes the first block 24, the first slider 23 extrudes the first block 24, the first cylinder 23 extrudes the first cylinder 23 and the first cylinder 23, so that the first cylinder 23 extrudes the first cylinder 23, the first cylinder 23 and the first cylinder 23 push the first cylinder 24, and the first cylinder 23 extrude the first cylinder 23 and the first cylinder 23 when the first cylinder 21 and the first cylinder 23 push the first cylinder 23.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are merely intended to facilitate the description of the present invention and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present invention.
Finally, it should be pointed out that: the above examples are only for illustrating the technical solutions of the present invention, and are not limited thereto. Although the present 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 solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention. All other embodiments obtained by a person skilled in the art without making any inventive step are within the scope of protection of the present invention.
Claims (2)
1. An isolated LED explosion-proof lamp comprises a lamp body and a wiring terminal, wherein the lamp body is positioned at the lower end of the wiring terminal; the method is characterized in that: the wiring terminal is divided into an upper end body (1) and a lower end body (2), and the upper end body (1) is connected with the lower end body (2) through a locking bolt (3); the cable connector is characterized in that through grooves (21) are uniformly formed in the lower end body (2), the through grooves (21) are used for connecting cables, annular grooves (22) are uniformly formed in the lower end body (2), the annular grooves (22) surround the outer ring of the through grooves (21), the annular grooves (22) are communicated with the through grooves (21), a first sleeve (23) is fixedly connected in the through grooves (21), the first sleeve (23) is made of high-temperature-resistant rubber, a first block (24) is uniformly and slidably connected in the annular grooves (22), the first block (24) is positioned on one side, away from the through grooves (21), of the first sleeve (23), L-shaped grooves (25) are uniformly formed in the lower end body (2), one ends, perpendicular to the horizontal plane, of the L-shaped grooves (25) are positioned on the upper end face of the lower end body (2), one end, parallel to the horizontal plane, of the L-shaped grooves (25) is communicated with the annular grooves (22), a first sliding block (251) and a second sliding block (252) are slidably connected in the L-shaped grooves (25), the first sliding block (252) is perpendicular to the horizontal plane, the second sliding block (252) is fixedly connected to the horizontal plane, one end, the second sliding block (252) is parallel to the first sliding block (251) and is parallel to the outer ring (21), one end, the second sliding block (252) is fixedly connected to the horizontal plane, the second sliding block (21), the lower end face of the upper end body (1) is uniformly provided with a lug (11), and the lug (11) corresponds to an upper end opening of the L-shaped groove (25);
the lower end face of the upper end body (1) is fixedly connected with a first rubber block (12), the upper end face of the lower end body (2) is fixedly connected with a second rubber block (13), and the second rubber block (13) does not block the openings at the upper ends of the through groove (21) and the L-shaped groove (25);
arc-shaped grooves (131) are uniformly formed in the upper end face of the second rubber block (13), the inner walls of the arc-shaped grooves (131) are arc-shaped, arc-shaped protrusions (121) are uniformly arranged on the lower end face of the first rubber block (12), the lower ends of the arc-shaped protrusions (121) are arc-shaped, and the arc-shaped protrusions (121) correspond to the arc-shaped grooves (131);
one end, close to the through groove (21), of each first block (24) is an arc surface A, the position, far away from the through groove (21), of each first block (24) is an arc surface B, the arc surfaces A and B are the same circle center, the circle centers of the arc surfaces A and B are located on the central axis of the through groove (21), and the diameter of the arc surface A is smaller than that of the arc surface B;
a groove (241) is respectively arranged at two ends of the first block (24), and the adjacent grooves (241) on the first block (24) are respectively arranged on the cambered surface A and the cambered surface B, so that the first blocks (24) are in a circular ring shape after being contacted with each other.
2. The isolated LED explosion-proof lamp of claim 1, wherein: the second sliding block (252) is divided into two sections, the two sections of the second sliding block (252) are fixedly connected through springs (26), and the elasticity of the springs (26) is larger than that of the horn (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN113483290A (en) | 2021-10-08 |
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Effective date of registration: 20220926 Address after: Group 10, Fourth Committee, Heping Street, Acheng District, Harbin City, Heilongjiang Province, 150300 Applicant after: Cui Fengfen Address before: 110000 900 Shengli South Street, Heping District, Shenyang, Liaoning Applicant before: Shenyang North Explosion-Proof Co.,Ltd. |
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Effective date of registration: 20221205 Address after: 110000 900 Shengli South Street, Heping District, Shenyang, Liaoning Applicant after: Shenyang North Explosion-Proof Co.,Ltd. Address before: Group 10, Fourth Committee, Heping Street, Acheng District, Harbin City, Heilongjiang Province, 150300 Applicant before: Cui Fengfen |
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Denomination of invention: An isolated LED explosion-proof light Granted publication date: 20221230 Pledgee: China Construction Bank Corporation Shenyang Railway Branch Pledgor: Shenyang North Explosion-Proof Co.,Ltd. Registration number: Y2024980015353 |