Explosion-proof lamp convenient to overhaul

Abstract

An explosion-proof lamp convenient to overhaul comprises a power box bottom shell, a power box top shell, a rotating part, a rear cover, an installation support and a terminal seat, the power box top shell is installed on the power box bottom shell through the rotating part, the installation support is fixedly installed on the power box bottom shell, and the terminal seat is installed on the installation support. After the power supply box bottom shell and the power supply box top shell are installed and fixed, an inner space is defined by the power supply box bottom shell and the power supply box top shell, and the installation support and the terminal base are arranged in the inner space. The power box bottom shell comprises a first main body part, the power box top shell comprises a second main body part and a butt joint, and the second main body part is provided with a second containing groove. The butt joint is provided with a functional hole, the rear cover comprises a sealing head and a positioning column connected to the bottom of the sealing head, and during assembly, the positioning column of the rear cover and the functional hole are installed in a matched mode. According to the utility model, the wiring and maintenance efficiency is improved, and time waste caused by inconvenient operation is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lamp, in particular to an explosion -proof lamp convenient to overhaul. BACKGROUND

[0002] Explosion -proof lamp is mainly used in the dangerous place of combustible gas and dust, can prevent the arc, spark and high temperature that the inside of lamp can produce and ignite the combustible gas and dust in the surrounding environment, thereby reach the explosion -proof requirement.

[0003] Because the power supply and wiring terminal of explosion -proof lamp are located in the inside of power supply box, the top shell and bottom shell of power supply box are fixed through a large number of screws, cause user to need to open power supply box after all fixed screws between the top shell and bottom shell of power supply box are dismantled when wiring or overhauling, increase the labor cost.

[0004] User needs to reinstall screw to fix the top shell and bottom shell of power supply box after completing wiring or overhauling work, because the number of screw is more, easy to cause operation failure, cause power supply box to be not firm or damage, make the lamp not reach the explosion -proof requirement, increase the maintenance cost, even easy to produce safety problem. INVENTION CONTENTS

[0005] Therefore, it is necessary to provide an explosion -proof lamp convenient to overhaul aiming at the deficiency in prior art.

[0006] An explosion -proof lamp convenient to overhaul, which comprises a power supply box bottom shell, a power supply box top shell, a rotating part, a rear cover, a mounting bracket and a terminal seat, the power supply box top shell is installed on the power supply box bottom shell through the rotating part, the mounting bracket is fixedly installed on the power supply box bottom shell, and the terminal seat is installed on the mounting bracket, after being fixedly installed between the power supply box bottom shell and the power supply box top shell, an inner space is formed between the power supply box bottom shell and the power supply box top shell, and the mounting bracket and the terminal seat are arranged in the inner space; the power supply box bottom shell comprises a first main body part, the first main body part is provided with a first containing groove, the power supply box top shell comprises a second main body part and a butt joint, the second main body part is provided with a second containing groove, and the first containing groove and the second containing groove form the inner space; a functional hole is arranged on the butt joint, the functional hole penetrates downward from the upper end face of the butt joint to the second containing groove, an inner thread is arranged on the hole wall of the functional hole, the rear cover comprises a sealing head and a positioning column connected to the bottom of the sealing head, an outer thread is arranged on the outer side face of the positioning column, and when being assembled, the terminal seat is arranged below the functional hole, and the positioning column of the rear cover is installed in cooperation with the inner thread on the functional hole through the outer thread.

[0007] In one of the embodiments, the mounting bracket is integrally and continuously bent to form a first support plate, a second support plate, and a connecting segment connecting the first support plate and the second support plate, the mounting bracket is mounted and fixed at the bottom of the first receiving groove, and the terminal seat is mounted and fixed on the first support plate of the mounting bracket.

[0008] In one of the embodiments, the first main body part is provided with a first clamping ear, and the first clamping ear is provided with a first positioning hole, the second main body part is provided with a second clamping ear, and the second clamping ear is provided with a second positioning hole, and during assembly, the first clamping ear on the bottom shell of the power supply box corresponds to the second clamping ear on the top shell of the power supply box one by one.

[0009] In one of the embodiments, the rotating member includes a screw rod and a nut installed in cooperation with the screw rod, the screw rod of the rotating member passes through the first positioning hole of the first clamping ear and the second positioning hole of the second clamping ear at the same time, and the nut of the rotating member is installed at the end of the screw rod.

[0010] In one of the embodiments, the rear cover is further provided with a plurality of auxiliary heads on the top surface of the sealing head, the auxiliary heads are provided with auxiliary grooves, and the auxiliary grooves between the auxiliary heads are aligned with each other.

[0011] In one of the embodiments, the bottom shell of the power supply box further includes heat dissipation plates, the heat dissipation plates are divided into a plurality of groups, the heat dissipation plates in the same group are uniformly and spacedly arranged, and the heat dissipation plates in different groups are arranged on different outer surfaces of the first main body part.

[0012] In one of the embodiments, the top shell of the power supply box is further provided with heat dissipation convex ribs, the heat dissipation convex ribs are arranged on the top surface of the second main body part, and the heat dissipation convex ribs include a plurality of first main body segments arranged side by side and a second main body segment arranged outside the first main body segments.

[0013] In one of the embodiments, the first main body part is provided with a first abutting plate, the second main body part is provided with a second abutting plate, and when the top shell of the power supply box is covered on the bottom shell of the power supply box, the first abutting plate and the second abutting plate are abutted with each other.

[0014] In one of the embodiments, the first abutting plate is provided with a plurality of fixing holes, the fixing holes are uniformly and spacedly arranged, the second abutting plate is provided with a plurality of through holes, the through holes are uniformly and spacedly arranged, when the top shell of the power supply box is covered on the bottom shell of the power supply box, the fixing holes and the through holes correspond to and align with each other one by one, and the explosion-proof lamp for maintenance further includes a plurality of first locking members, the first locking members pass through the through holes and are mounted and fixed in the fixing holes.

[0015] In one of the embodiments, a sealing rubber strip is further included, the bottom surface of the second abutting plate is provided with a sealing groove, the sealing rubber strip is mounted on the sealing groove, and during assembly, the first abutting plate presses the sealing rubber strip.

[0016] The beneficial effect of the explosion-proof lamp convenient to overhaul lies in that: the butt joint and the functional hole penetrating the butt joint are arranged on the power box top shell, the rear cover installed on the butt joint is arranged, the terminal seat is installed on the mounting bracket, and the terminal seat is arranged below the functional hole, so that when wiring overhaul is performed, the user does not need to open the whole power box top shell from the power box bottom shell, only needs to rotate the rear cover out of the power box top shell, and wiring overhaul work can be performed, the complexity of operation is greatly reduced, the efficiency of wiring and overhaul is improved, and time waste caused by inconvenient operation is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the explosion-proof lamp convenient to overhaul.

[0018] Figure 2 It is Figure 1 It is an exploded view of the explosion-proof lamp convenient to overhaul.

[0019] Figure 3 It is a structural schematic view of the power box top shell in the utility model.

[0020] Figure 4 It is a structural schematic view of the mounting bracket and the terminal seat in cooperation with installation in the utility model.

[0021] Figure 5 It is Figure 1 It is an enlarged view of part A in the utility model. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent, obvious and understandable, the specific implementation manners of the utility model are described in detail below. In the following description, a plurality of specific details are set forth in order to fully understand the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the utility model, so the utility model is not limited by the following disclosed specific embodiments.

[0023] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0024] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0025] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] In the utility model, unless otherwise specifically defined and limited, the first feature "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" of the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" of the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0027] It is to be understood that when an element such as a layer, region or substrate is referred to as being "on" or "connected to" another element, it can be directly on or connected to the other element or intervening elements can be present. In contrast, when an element is referred to as being "directly on" or "directly connected to" another element, there are no intervening elements present. It will be understood that, when a part is referred to as being "fixed on" or "set on" another part, it can be directly on the other part or an intervening part can be present. When a part is referred to as being "connected to" another part, it can be directly connected to the other part or an intervening part can be present. The terms "vertical", "horizontal", "upper", "lower", "left", "right", and similar expressions as used herein are for illustrative purposes only and do not indicate the only orientation of the embodiments.

[0028] Referring to Figures 1 to 5 The utility model provides a kind of anti-explosion lamp convenient for overhaul, including power box bottom shell 10, power box top shell 20, rotating piece 30, first locking piece 70, second locking piece 80, third locking piece, back cover 40, mounting bracket 50 and terminal block 60, the power box top shell 20 is installed on power box bottom shell 10 by rotating piece 30, and power box bottom shell 10 is fixed between power box top shell 20 by first locking piece 70, after loosening first locking piece 70, power box top shell 20 can be rotated and positioned on power box bottom shell 10, the mounting bracket 50 is fixed on power box bottom shell 10 by second locking piece 80, the terminal block 60 is installed on mounting bracket 50 by third locking piece, after being fixed between power box bottom shell 10 and power box top shell 20, the inner space is enclosed between power box bottom shell 10 and power box top shell 20, the mounting bracket 50, terminal block 60 are arranged in inner space, and the back cover 40 can be freely disassembled on power box top shell 20, to open inner space.

[0029] The power box bottom shell 10 includes a first main body portion 11, a first docking plate 12, a first ear 14, and a heat sink 13. The first main body portion 11 has a first receiving groove 111 extending inwardly from an upper end face. The first docking plate 12 is arranged at the slot opening of the first receiving groove 111 and has a frame-shaped structure with a planar upper end face. A plurality of fixing holes 121 are arranged on the first docking plate 12 in uniform intervals. The heat sink 13 is divided into several groups, and heat sinks 13 in the same group are arranged in uniform intervals. Heat sinks 13 in different groups are arranged on different outer sides of the first main body portion 11. One end of the first ear 14 is connected to the first main body portion 11, and the other end of the first ear 14 is provided with a first positioning hole 141.

[0030] The power box top shell 20 comprises a second main body part 21, a second butt joint plate 22, a second buckle ear 24, a heat dissipation convex rib 23 and a butt joint 25. The second main body part 21 is provided with a bottom surface provided with a second receiving groove 211 extending inwardly. The second butt joint plate 22 is arranged at the groove opening position of the second receiving groove 211. The second butt joint plate 22 is arranged in a frame structure and the bottom surface of the second butt joint plate 22 is arranged in a plane. The second butt joint plate 22 is provided with a plurality of through holes 221 arranged at uniform intervals between the through holes 221. The heat dissipation convex rib 23 is arranged on the top surface of the second main body part 21. The heat dissipation convex rib 23 comprises a plurality of first main body segments 231 arranged side by side and a second main body segment 232 arranged outside the first main body segments 231. One end of the second buckle ear 24 is connected to the second main body part 21. The other end of the second buckle ear 24 is provided with a second positioning hole 242. The butt joint 25 is vertically connected to the upper end surface of the second main body part 21. The butt joint 25 is provided with a functional hole 26. The functional hole 26 penetrates downwardly from the upper end surface of the butt joint 25 to the second receiving groove 211. The hole wall of the functional hole 26 is provided with an internal thread.

[0031] The rear cover 40 comprises a sealing head 41 and a positioning column 42 connected to the bottom of the sealing head 41. The outer side surface of the positioning column 42 is provided with an external thread. The rear cover 40 is further provided with a plurality of auxiliary heads 43 on the top surface of the sealing head 41. The auxiliary heads 43 are provided with auxiliary grooves 44. The auxiliary grooves 44 between the auxiliary heads 43 are aligned with each other. By arranging the auxiliary grooves 44, tools can be clamped into the auxiliary grooves 44 to rotate the rear cover 40.

[0032] The mounting bracket 50 is integrally and continuously bent to form a first support plate 51, a second support plate 52 and a connecting segment 53 connecting the first support plate 51 and the second support plate 52. In the utility model, the rotating member 30 comprises a screw rod 31 and a nut 32 installed in cooperation with the screw rod 31. The first locking member 70, the second locking member 80 and the third locking member are respectively screws.

[0033] During assembly, the first buckle ear 14 on the power box bottom shell 10 corresponds to the second buckle ear 24 on the power box top shell 20. The screw rod 31 of the rotating member 30 penetrates through the first positioning hole 141 of the first buckle ear 14 and the second positioning hole 242 of the second buckle ear 24 at the same time. The nut 32 of the rotating member 30 is installed at the end of the screw rod 31 to prevent the screw rod 31 from falling off the first buckle ear 14 and the second buckle ear 24. The power box bottom shell 10 and the power box top shell 20 can be positioned around the rotating member 30 to enable the power box top shell 20 to be closed on the power box bottom shell 10 or opened from the power box bottom shell 10. When the power box top shell 20 is closed on the power box bottom shell 10, the first butt joint plate 12 and the second butt joint plate 22 are mutually attached. The fixing holes 121 and the through holes 221 correspond to and align with each other. The first receiving groove 111 and the second receiving groove 121 form the inner space.

[0034] The second locking member 80 passes through the second support plate 52 and fixes the mounting bracket 50 at the bottom of the first receiving groove 111, and the third locking member passes through the terminal seat 60 and fixes the terminal seat 60 on the first support plate 51 of the mounting bracket 50, wherein the terminal seat 60 and the first support plate 51 are arranged below the functional hole 26. The first locking member 70 passes through the through hole 221 and is fixed in the fixing hole 121, thereby locking the power box top shell 20 on the power box bottom shell 10.

[0035] In use, the rear cover 40 is installed on the butt joint 25, and the positioning column 42 of the rear cover 40 is installed in cooperation with the internal thread on the functional hole 26 through the external thread. The utility model also comprises a sealing ring, the sealing ring is clamped between the sealing head 41 and the butt joint 25, so that the rear cover 40 seals the inner space of the explosion-proof lamp. When the user needs to wire or maintain the wiring condition of the terminal seat 60, the rear cover 40 is removed from the butt joint 25.

[0036] In addition, in order to improve the sealing property between the power box bottom shell 10 and the power box top shell 20, the utility model also comprises a sealing rubber strip 90, the bottom surface of the second butt joint plate 22 is provided with a sealing groove 222, and the sealing rubber strip 90 is installed on the sealing groove 222. When assembled, the first butt joint plate 12 presses the sealing rubber strip 90.

[0037] The utility model discloses an explosion-proof lamp convenient to maintain, which has the beneficial effects that the butt joint 25 and the functional hole 26 penetrating the butt joint 25 are arranged on the power box top shell 20, the rear cover 40 is arranged on the butt joint 25, the terminal seat 60 is arranged on the mounting bracket 50, and the terminal seat 60 is arranged below the functional hole 26. Therefore, when wiring and maintenance are performed, the user does not need to open the entire power box top shell 20 from the power box bottom shell 10, but only needs to rotate the rear cover 40 out of the power box top shell 20 to perform the wiring and maintenance work, thereby greatly reducing the complexity of operation, improving the efficiency of wiring and maintenance, and reducing the time waste caused by inconvenient operation. The overall structure is simple, easy to produce and manufacture, and has strong popularization significance.

[0038] The technical features of the above-described embodiments can be combined in any manner. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described, but as long as the combinations of the technical features do not contradict, they should be considered as within the scope of the present disclosure.

[0039] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but can not therefore be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled person in the art, without departing from the utility model concept, several modifications and improvements can be made, which belong to the protection range of the utility model. Therefore, the protection range of the utility model patent should be subject to the appended claims.

Claims

1. An explosion-proof light that facilitates maintenance, characterized by, The utility model provides a power box, including power box bottom shell, power box top shell, rotating piece, back cover, mounting support and terminal seat, power box top shell is installed on power box bottom shell through rotating piece, mounting support is fixedly installed on power box bottom shell, terminal seat is installed on mounting support, and after power box bottom shell and power box top shell are fixedly installed, the inner space is surrounded between power box bottom shell and power box top shell, and mounting support, terminal seat are arranged in the inner space, power box bottom shell includes first main part, and first main part is equipped with first receiving groove, power box top shell includes second main part and butt joint, and second main part is equipped with second receiving groove, and first receiving groove and second receiving groove form the inner space, and the functional hole is equipped on butt joint, and the functional hole is from the upper end of butt joint and is penetrated to second receiving groove, and the inner thread is equipped on the hole wall of functional hole, and back cover includes sealing head and the positioning column that is connected to the bottom of sealing head, and the outer thread is equipped on the outer side of positioning column, and when assembling, terminal seat is arranged below functional hole, and the positioning column of back cover is installed through the cooperation of outer thread and inner thread on functional hole.

2. The explosion-proof light that facilitates the maintenance according to claim 1, characterized in that, The mounting support is integrally and continuously bent to form a first support plate, a second support plate, and a connecting segment connecting the first support plate and the second support plate. The mounting support is fixedly installed at the groove bottom of the first receiving groove. The terminal seat is fixedly installed on the first support plate of the mounting support. The first support plate is arranged below the functional hole.

3. The explosion-proof light that facilitates the maintenance according to claim 1, characterized in that, The first main part is provided with a first clamping ear. The first clamping ear is provided with a first position adjusting hole. The second main part is provided with a second clamping ear. The second clamping ear is provided with a second position adjusting hole. During assembly, the first clamping ear on the power box bottom shell corresponds to the second clamping ear on the power box top shell one by one.

4. The explosion-proof light that facilitates the maintenance according to claim 3, characterized in that, The rotating piece includes a screw rod and a nut matched with the screw rod. The screw rod of the rotating piece penetrates through the first position adjusting hole of the first clamping ear and the second position adjusting hole of the second clamping ear. The nut of the rotating piece is installed at the end of the screw rod.

5. The explosion-proof light that facilitates the maintenance according to claim 1, characterized in that, The back cover is further provided with a plurality of auxiliary heads on the top surface of the sealing head. The auxiliary heads are provided with auxiliary grooves. The auxiliary grooves between the auxiliary heads are aligned with each other.

6. The explosion-proof light that facilitates the maintenance according to claim 1, characterized in that, The power box bottom shell further includes heat dissipation plates. The heat dissipation plates are divided into a plurality of groups. The heat dissipation plates in the same group are arranged at uniform intervals. The heat dissipation plates in different groups are arranged on different outer sides of the first main part.

7. The explosion-proof light that facilitates the maintenance according to claim 1, characterized in that, The power box top shell is further provided with heat dissipation convex ribs. The heat dissipation convex ribs are arranged on the top surface of the second main part. The heat dissipation convex ribs include a plurality of first main segments arranged side by side and a second main segment arranged outside the first main segments.

8. The explosion-proof light that facilitates the maintenance according to claim 1, characterized in that, The first main part is provided with a first butt joint plate. The second main part is provided with a second butt joint plate. When the power box top shell is closed on the power box bottom shell, the first butt joint plate and the second butt joint plate are attached to each other.

9. The explosion-proof light that facilitates the maintenance according to claim 8, characterized in that, The first butt joint plate is provided with a plurality of fixing holes arranged at uniform intervals. The second butt joint plate is provided with a plurality of perforations arranged at uniform intervals. When the power box top shell is closed on the power box bottom shell, the fixing holes and the perforations correspond to each other and are aligned with each other. The explosion-proof lamp for maintenance is further provided with a plurality of first locking members. The first locking members penetrate through the perforations and are fixedly installed in the fixing holes.

10. The explosion-proof light that facilitates the maintenance according to claim 8, characterized in that, The sealing strip is arranged on the sealing groove of the second abutting plate, and the first abutting plate is used to press the sealing strip during assembly.

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