CN217482720U - Lighting device - Google Patents

Abstract

The application provides a lighting device, which belongs to the technical field of mine lighting equipment and comprises a lamp holder and a lamp cord; the lamp holder comprises a lamp body, a lamp shell connected with the lamp body and a first guide connecting piece connected with the lamp shell, wherein the lamp shell is provided with a first accommodating groove, and the first guide connecting piece is arranged in the first accommodating groove and is electrically connected with the lamp body; the lamp rope comprises a rope body, a first sealing element, a first fixing element and a second guide connecting element, wherein the first sealing element and the second guide connecting element are connected to the extending end of the rope body; the second guide connecting piece can be electrically connected with the first guide connecting piece, the first sealing piece is inserted in the first accommodating groove in a sealing mode, and the first fixing piece can be detachably covered on the notch of the first accommodating groove. The application aims at solving the technical problems that the sealing performance of the miner lamp is poor and the replacement cost is high after the lamp rope is damaged in the prior art.

Description

Lighting device

Technical Field

The application belongs to the technical field of mining lighting equipment, and particularly relates to a lighting device.

Background

The miner's lamp is a general name of a mine lamp or a mine lamp, namely a special lighting lamp used in a mine. The mine lamp developed and sold by electric appliances is suitable for places with gas (methane group) coal dust explosion danger under coal mines; the tunnel in the bottom mining area can also be used in the tunnel and underground chamber of the capital construction mine with larger water spraying. The main application is as follows: the LED lighting lamp is used for safety lighting, emergency rescue and relief lighting in the environment with flammable and combustible gas in mines, petroleum, chemical industry, railways, transportation, storage and the like. It is especially suitable for coal mine underground, tunnel, underground engineering and civil air-defense engineering.

Most of the miner's lamps adopt a rope lamp, the lamp head of the miner's lamp is connected with a battery box through an electric cable, and a power supply is arranged in the battery box.

At present, one end of an electric cable (a lamp rope) of the existing rope miner lamp is connected with a miner lamp holder, the other end of the electric cable is connected with a battery box, the waterproof sealing effect is not ideal at the joint of the cable rope, and the cable rope is generally fixedly welded on a PCBA board (circuit board); in addition, when the cable rope damages, it is more difficult to change, can't change fast and obtain new product with new old-new, and assembly efficiency is low, and cost of maintenance is high.

SUMMERY OF THE UTILITY MODEL

The application aims to provide a lighting device and aims to solve the technical problems that in the prior art, the sealing performance of a miner lamp is poor, and the replacement cost is high after a lamp rope is damaged.

An object of the present application is to provide a lighting device including:

the lamp holder comprises a lamp body, a lamp shell connected to the lamp body and a first guide connecting piece connected to the lamp shell, the lamp shell is provided with a first accommodating groove, and the first guide connecting piece is arranged in the first accommodating groove and is electrically connected with the lamp body;

the lamp rope comprises a rope body, a first sealing element, a first fixing element and a second guiding element, wherein the first sealing element and the second guiding element are connected to the extending end of the rope body; the second guide connecting piece can be electrically connected with the first guide connecting piece, the first sealing piece is inserted in the first accommodating groove in a sealing mode at the moment, and the first fixing piece can be detachably covered on the notch of the first accommodating groove.

Furthermore, the lighting device also comprises a power supply unit which is electrically connected to the other extending end of the lamp cord so as to supply power to the lamp holder through the lamp cord.

Furthermore, the first guide connecting piece is inserted into the groove bottom of the first accommodating groove and protrudes out of the groove bottom to extend, and the first guide connecting piece and the groove bottom of the first accommodating groove are of an integrated injection molding structure.

Furthermore, first mounting is equipped with first connection structure, the lamp housing is equipped with second connection structure, first connection structure with second connection structure threaded connection or joint.

Further, the first connecting structure is in threaded connection with the second connecting structure; the first fixing piece comprises a connecting portion extending in a columnar mode and a pressing edge portion protruding outwards from one end of the connecting portion in the radial direction of the connecting portion, the first connecting structure is an external thread arranged on the outer surface of the connecting portion, and the second connecting structure is an internal thread arranged on the inner wall face of the notch of the first accommodating groove.

Furthermore, the first guide connecting piece is in plug-in fit with the second guide connecting piece; the first guide connecting piece is provided with a first limiting part, the second guide connecting piece is provided with a second limiting part, and the first limiting part can be elastically clamped with the second limiting part when the first guide connecting piece is in splicing fit with the second guide connecting piece.

Furthermore, the lamp cord further comprises a third guide connecting piece, a second sealing piece and a second fixing piece; the third guide connecting piece and the second sealing piece are both connected to the other extending end of the rope body, and the second fixing piece is arranged on one side, far away from the other extending end of the rope body, of the second sealing piece;

the power supply unit comprises a power supply body, a power supply shell arranged outside the power supply body and a fourth guide connecting piece connected to the power supply shell, and the fourth guide connecting piece is electrically connected with the power supply body; the power supply shell is provided with a second accommodating groove, and the fourth guide connecting piece is arranged in the second accommodating groove; the third guide connecting piece can be electrically connected with the fourth guide connecting piece, the second sealing piece is inserted into the second accommodating groove at the moment, and the second fixing piece can be detachably covered on the notch of the second accommodating groove.

Further, the third guide connecting piece is connected to the groove bottom of the second accommodating groove and protrudes out of the extending groove bottom, and the third guide connecting piece and the groove bottom of the second accommodating groove are of an integrated injection molding structure.

The lamp holder further comprises a heat dissipation column and a hook, one end of the heat dissipation column is connected to the lamp body, the other end of the heat dissipation column extends to the lamp shell and extends to the outside of the lamp shell, and the heat dissipation column and the lamp shell are of an integral injection molding structure; the hook is connected to the other end of the heat dissipation column.

Furthermore, the lamp holder further comprises a key unit, the key unit comprises an elastic key body and a touch structure connected with the key body, the key body and the lamp shell are of an integrally formed structure, the touch structure can be electrically connected with the lamp body, and the key body can enable the touch structure to be communicated with the lamp body through elastic deformation.

The lighting device of this application is for prior art's beneficial effect: compared with the prior art, the lighting device has the advantages that the connecting part of the rope body and the lamp shell is designed into a detachable plug-in connection mode, the lamp shell is provided with the first accommodating groove, the first sealing element and the first fixing element are connected to one extending end of the rope body, the end part of the rope body is inserted into the first accommodating groove, so that the first guide connecting element and the second guide connecting element are electrically connected, meanwhile, the first sealing element can be inserted into the first accommodating groove, the connecting position of the first guide connecting element and the second guide connecting element is sealed, in addition, the rope body and the lamp shell are fixed through the first fixing element, and the lamp holder and the lamp rope are fixedly connected; the lighting device realizes the detachable connection of the lamp holder and the lamp cord, is convenient for independent replacement when the lamp cord or the lamp holder is damaged independently at the later stage, is favorable for reducing the maintenance cost and improving the assembly efficiency; in addition, the first sealing element seals the connecting part of the first guide connecting element and the second guide connecting element, so that the sealing performance of the connecting position of the lamp holder and the lamp cord is improved, and the safety of the lighting device is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments of the present application or the prior art will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an illumination device provided in an embodiment of the present application;

fig. 2 is a schematic partial structural diagram of an illumination device provided in an embodiment of the present application;

FIG. 3 is a schematic view of the connection between the first and second connecting members of FIG. 1;

FIG. 4 is a schematic view of the construction of the lamphead of FIG. 1;

FIG. 5 is an exploded view of FIG. 2;

FIG. 6 is a schematic view of the cord of FIG. 1 connected to a first sealing member and a second sealing member;

FIG. 7 is a cross-sectional view of the location of the heat-dissipating stud of FIG. 1;

fig. 8 is a sectional view of the key unit of fig. 1.

Description of reference numerals: 1. a lamp cap; 11. a lamp body; 111. a light source; 112. a lamp cap cover; 113. a circuit board; 114. a light reflecting cup; 12. a lamp housing; 121. a first accommodating groove; 13. a first guide member; 131. a first limiting part; 2. a light cord; 21. a second lead; 211. a second limiting part; 22. a rope body; 221. a core body; 222. a sleeve body; 23. a first seal member; 231. inserting holes; 24. a first fixing member; 241. a connecting portion; 242. a pressing edge part; 25. a second seal member; 26. a second fixing member; 27. a third lead; 3. a power supply unit; 31. a power supply housing; 311. a second accommodating groove; 32. a power supply body; 33. a fourth lead; 4. a key unit; 41. a key body; 42. a touch structure; 5. hooking; 6. a heat dissipation column.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "upward," "vertical," "horizontal," "bottom," "inner," "outer," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience in describing the present application and for simplicity in description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present application.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments.

Referring to fig. 1-3, an embodiment of the present application is directed to a lighting device, which is applied in a mine and belongs to a mining lamp, and may be called a mining lamp, and the lighting device includes a lamp holder 1 and a lamp cord 2; the lamp holder 1 comprises a lamp body 11, a lamp shell 12 connected to the lamp body 11 and a first guide piece 13 connected to the lamp shell 12, wherein the lamp shell 12 is provided with a first accommodating groove 121, and the first guide piece 13 is arranged in the first accommodating groove 121 and electrically connected with the lamp body 11; the lamp rope 2 comprises a rope body 22, a first sealing element 23, a first fixing element 24 and a second guiding element 21, wherein the first sealing element 23 and the second guiding element 21 are connected to the extending end of the rope body 22, and the first fixing element 24 is arranged on one side, far away from the extending end of the rope body 22, of the first sealing element 23; the second guiding connection member 21 can be electrically connected to the first guiding connection member 13, at this time, the first sealing member 23 is inserted into the first accommodating groove 121 in a sealing manner, and the first fixing member 24 is detachably covered on the notch of the first accommodating groove 121.

Specifically, the lamp body 11 is a main light emitting component of the lamp cap 1, the lamp body 11 includes a light source 111, a lamp cap 112, a reflective cup 114 and a PCBA board (circuit board 113), the reflective cup 114 and the PCBA board are limited inside the lamp housing 12 by the lamp cap 112, the light source 111 is connected to the PCBA board, the reflective cup 114 surrounds the periphery of the light source 111 and faces the light source 111, and light emitted by the light source 111 can be reflected by the reflective cup 114 to increase the irradiation area.

The lamp housing 12 has a first receiving groove 121, the first receiving groove 121 is used for connecting the lamp cord 2, and the first guiding and connecting element 13 is connected to the bottom of the first receiving groove 121 and can pass through the bottom of the first receiving groove to be electrically connected to the circuit board 113, so that the power can be transmitted to the circuit board 113 after the power supply unit 3 is connected to the lamp cord 2, and the light source 111 can emit light.

The first conductive connecting part 13 is made of a conductive material, the first conductive connecting part 13 can be a male terminal, one end of the male terminal extends into the lamp housing 12 and is welded to the circuit board 113, and the other end extends out of the bottom of the first accommodating groove 121.

The light cord 2 includes a cord body 22, a first sealing element 23, a first fixing element 24 and a second guiding element 21, wherein the cord body 22 includes a core 221 (a conducting wire) and a sleeve 222 sleeved outside the core 221, and an extending end of the core 221 is electrically connected to the second guiding element 21.

Referring to fig. 3, the second connecting part 21 is made of a conductive material, the second connecting part 21 may be a female terminal, a second limiting portion 211 is disposed inside the female terminal, and when the male terminal is inserted into the female terminal, the male terminal can be mutually connected and limited inside the female terminal by the second limiting portion 211, specifically, the second connecting part 21 has a jack, and the first connecting part 13 is inserted into the jack so as to be inserted into and matched with the second connecting part 21; the first guide connecting piece 13 is provided with a first limiting part 131, the first limiting part 131 is a bulge protruding out of the outer surface of the first limiting part 131, the second guide connecting piece 21 is provided with a second limiting part 211, the second limiting part 211 is an elastic bulge protruding out of the outer wall of the jack, and when the first guide connecting piece 13 is inserted into the jack, the first limiting part 131 can be elastically clamped with the second limiting part 211; when needs are dismantled, only need dismantle the back to first mounting 24, exert oneself under the exogenic action outside stay cord body 22 can separate public terminal and female terminal, can realize pulling out fast between public terminal and the female terminal and insert the cooperation.

The plug-in connector of the male terminal and the female terminal has the advantages that one side (a protruded connector) of a plug is a male end, one side (a recessed connector) of a jack is a female end, the male terminal and the female terminal are two connectors matched through injection molding, and the male terminal and the female terminal are different in male base and female base, so that the connector is widely applied. The connector generally refers to an electrical appliance connector, that is, a device for connecting two active devices, realizes the working principle of transmitting current or signals by oppositely inserting a male end and a female end, and is widely applied to various electronic device industries such as illumination, communication, medical treatment, sensing, automobiles and the like. The female terminal and the male terminal are different in shape and application in the electronic field, but the female terminal and the male terminal are the same in function and are used for connecting electric signals to conduct electricity. The material of the female terminal or the male terminal is usually copper alloy, or electroplated copper alloy, nickel or nickel alloy, and the working principle of transmitting current or signals is realized by inserting the male terminal and the female terminal in opposite directions.

The first sealing element 23 is connected to the extension end of the rope body 22 (specifically, the sleeve body 222) connected with the second guide connecting element 21, the first sealing element 23 is arranged to be away from the second guide connecting element 21, specifically, the first sealing element 23 is provided with an insertion hole 231, and the second guide connecting element 21 is inserted into the insertion hole 231 and is electrically connected with the extension end of the core body 221; the first sealing element 23 is connected in the first receiving groove 121 in an interference manner to perform a sealing function.

The first sealing element 23 may be made of elastic materials such as rubber and silica gel, the cross section of the first sealing element 23 is circular, the cross section of the first accommodating groove 121 is also circular, and the size of the cross section of the first sealing element 23 is slightly larger than that of the cross section of the first accommodating groove 121, so that the first sealing element 23 and the first accommodating groove 121 are in interference fit, and a sealing effect is achieved.

The first fixing member 24 is disposed on one side of the first sealing member 23 away from the extending end of the rope body 22, or the first fixing member 24 is disposed on one side of the first sealing member 23 away from the second guiding member 21, the first fixing member 24 is mainly used for being connected with the notch of the first accommodating groove 121 after the first guiding member 13 is connected with the second guiding member 21, so as to fix the rope body 22 and the lamp housing 12, and in addition, the first fixing member 24 is connected with the notch of the first accommodating groove 121, and can also play a certain sealing role.

Furthermore, two second guiding connecting pieces 21 are provided, two corresponding inserting holes 231 are provided, and each second guiding connecting piece 21 is correspondingly inserted into each inserting hole 231.

It can be seen that one end of the male terminal extends into the lamp housing 12 and is welded to the circuit board 113, the other end extends into the first receiving groove 121 through the housing, and the female terminal is integrally injection-molded in the first sealing member 23; during the assembly, only need make during the male terminal inserts the female terminal, just realized lamp holder 1 and lamp rope 2's electricity connection, at this moment, the internal perisporium wall of first storage tank 121 is almost received in the periphery wall of first sealing member 23, on lamp rope 2, still be connected with first mounting 24, because first mounting 24 is elastic material, first mounting 24 can be assembled in advance on lamp rope 2, first mounting 24 is provided with the external screw thread, be used for compressing tightly first sealing member 23 and realize lamp rope 2 and first mounting 24's fastening connection. It can be understood that, when the male terminal and the female terminal are connected, the first fixing member 24 may extrude the first sealing member 23 along the axial direction of the first fixing member 24, so that the first sealing member 23 is longitudinally deformed, thereby tightly filling the gap between the first accommodating groove 121 and the first sealing member 23, thereby fixing the light cord 2 in the first accommodating groove 121, so as to provide a good sealing condition, and at the same time, also ensuring that the male terminal and the female terminal are reliably connected to prevent falling off.

In this embodiment, the connection part between the rope body 22 and the lamp housing 12 is designed to be a detachable plug connection, the lamp housing 12 is provided with the first accommodating groove 121, the first sealing member 23 and the first fixing member 24 are connected to one extending end of the rope body 22, the end of the rope body 22 is inserted into the first accommodating groove 121, so that the first guide member 13 and the second guide member 21 are electrically connected, meanwhile, the first sealing member 23 can be inserted into the first accommodating groove 121 in an interference manner, so that the connection position between the first guide member 13 and the second guide member 21 is sealed, and in addition, the rope body 22 and the lamp housing 12 are fixed by the first fixing member 24, so that the lamp holder 1 and the lamp rope 2 are fixedly connected; the lighting device realizes the detachable connection of the lamp holder 1 and the lamp cord 2, is convenient for independent replacement when the lamp cord 2 or the lamp holder 1 is damaged independently in the later period, is favorable for reducing the maintenance cost and improving the assembly efficiency; in addition, the first sealing element 23 is used for sealing the 241 position of the connecting part of the first guide connecting element 13 and the second guide connecting element 21, so that the sealing performance of the connecting position of the lamp holder 1 and the lamp cord 2 is improved, and the safety of the lighting device is improved.

In an embodiment, referring to fig. 1, the first guiding element 13 is inserted into the bottom of the first receiving cavity 121 and protrudes from the bottom of the first receiving cavity 121 to extend, and the first guiding element 13 and the bottom of the first receiving cavity 121 are integrally formed by injection molding.

In this embodiment, when the lamp housing 12 is manufactured, the first guiding component 13 and the lamp housing 12 are integrally injection-molded, so that the sealing performance between the first guiding component 13 and the bottom of the first accommodating groove 121 is enhanced, and external impurities and moisture are difficult to enter the lamp housing 12, thereby protecting the lamp body 11. The first guide connecting piece 13 and the lamp shell 12 are integrally formed through injection molding to form a first sealing structure at the connecting position of the lamp holder 1, the first fixing piece 24 is pressed and connected with the first sealing piece 23 in the first accommodating groove 121, a second sealing structure at the connecting position of the lamp holder 1 and the lamp rope 2 is formed, under the action of the two sealing structures, the sealing of the connecting position of the lamp holder 1 and the lamp rope 2 is well guaranteed, and therefore the situation that the mine lamp is difficult to meet the sealing requirement under the complex well and mine environment and the mine lamp fails is avoided.

In one embodiment, referring to fig. 1, 2 and 4, the first fixing member 24 is provided with a first connecting structure, and the lamp housing 12 is provided with a second connecting structure, wherein the first connecting structure is screwed or clamped with the second connecting structure.

Specifically, when the first connecting structure is in threaded connection with the second connecting structure, the first connecting structure is in threaded connection with the second connecting structure; the first fixing member 24 includes a connecting portion 241 extending in a column shape and a pressing portion 242 protruding outward from one end of the connecting portion 241 along a radial direction of the connecting portion 241, the first connecting structure is an external thread disposed on an outer surface of the connecting portion 241, and the second connecting structure is an internal thread disposed on an inner wall surface of a notch of the first accommodating groove 121; the first fastener 24 may be an elastic structure made of an elastic material.

In this embodiment, the first fixing member 24 is connected to the notch of the first accommodating groove 121 through the external thread, so that the first fixing member 24 is connected and fixed to the lamp housing 12, and the connection position between the first guiding member 13 and the second guiding member 21 can be further sealed and ensured by adopting the threaded connection mode, so that the possibility that external impurities and moisture enter the first accommodating groove 121 is reduced, and the sealing performance of the connection position between the lamp holder 1 and the lamp cord 2 is improved.

In one embodiment, referring to fig. 1, the lighting device further includes a power supply unit 3, and the power supply unit 3 is electrically connected to the other extending end of the light string 2 to supply power to the lamp head 1 through the light string 2.

Specifically, the light cord 2 further includes a third guiding member 27, a second sealing member 25 and a second fixing member 26; the third guiding element 27 and the second sealing element 25 are both connected to the other extending end of the rope body 22, and the second fixing element 26 is disposed on one side of the second sealing element 25 far away from the other extending end of the rope body 22.

The power supply unit 3 comprises a power supply body 32, a power supply shell 31 arranged outside the power supply body 32 and a fourth guide piece 33 connected to the power supply shell 31, wherein the fourth guide piece 33 is electrically connected with the power supply body 32; the power supply housing 31 is provided with a second accommodating groove 311, and the fourth guiding and connecting member 33 is arranged in the second accommodating groove 311; the third guiding connection member 27 can be electrically connected to the fourth guiding connection member 33, at this time, the second sealing member 25 is inserted into the second accommodating groove 311, and the second fixing member 26 can be detachably covered on the notch of the second accommodating groove 311.

The fourth conductive connecting part 33 is made of a conductive material, the fourth conductive connecting part 33 can be a male terminal, one end of the male terminal extends into the power supply body 32, and the other end of the male terminal extends out of the bottom of the second accommodating groove 311.

The third conductive connecting part 27 is made of conductive materials, the third conductive connecting part 27 can be a female terminal, a second limiting part 211 is arranged in the female terminal, and when the male terminal is inserted into the female terminal, the male terminal can be mutually connected and limited in the female terminal by the second limiting part 211; when needs are dismantled, only need dismantle the back to second mounting 26, the public terminal can be separated with female terminal with outer stay cord body 22 of exerting oneself under the exogenic action, can realize pulling out the cooperation of inserting fast between public terminal and the female terminal.

The third guiding member 27 is electrically connected to the fourth guiding member 33, and the power supply body 32 supplies power to the lamp body 11 through the lamp cord 2, so that the light source 111 emits light for illumination.

The second sealing element 25 is connected to the other extending end of the rope body 22 (specifically, the sleeve body 222), the second sealing element 25 is arranged to be away from the third guiding connecting element 27, specifically, the second sealing element 25 is provided with an inserting hole, and the third guiding connecting element 27 is inserted into the inserting hole and is electrically connected with the other extending end of the core body 221; the second sealing member 25 is connected in the second receiving groove 311 in an interference manner to perform a sealing function.

The second sealing element 25 can be made of elastic materials such as rubber and silica gel, the cross section of the second sealing element 25 is circular, the cross section of the second accommodating groove 311 is also circular, and the size of the cross section of the second sealing element 25 is slightly larger than that of the cross section of the second accommodating groove 311, so that the second sealing element 25 is in interference fit with the second accommodating groove 311, and a sealing effect is achieved.

The second fixing member 26 is disposed on a side of the second sealing member 25 away from the other extending end of the rope body 22, or the second fixing member 26 is disposed on a side of the second sealing member 25 away from the third guiding member 27, the second fixing member 26 is mainly used for being connected to the notch of the second accommodating groove 311 after the third guiding member 27 is connected to the fourth guiding member 33, so as to fix the rope body 22 and the power supply housing 31, and in addition, the second fixing member 26 is connected to the notch of the second accommodating groove 311, and can also play a certain sealing role.

Furthermore, there are two third guiding connecting pieces 27, two corresponding inserting holes are provided, and each third guiding connecting piece 27 is inserted into each inserting hole correspondingly.

In this embodiment, the other extending end of the lamp cord 2 is connected to the power supply unit 3 in a similar manner to the connection of the one extending end of the lamp cord 2 to the base 1, by designing the connection part between the rope body 22 and the power supply housing 31 to be a detachable plug connection, and providing the second receiving groove 311 on the power supply housing 31, the second sealing element 25 and the second fixing element 26 are connected to the other extending end of the rope body 22, the end of the rope body 22 is inserted into the second receiving groove 311, so that the third guide connecting element 27 and the fourth guide connecting element 33 are electrically connected, and meanwhile, the second sealing element 25 can be inserted into the second receiving groove 311 in an interference manner, the connecting position of the third guide connecting piece 27 and the fourth guide connecting piece 33 is sealed, and in addition, the rope body 22 and the power supply shell 31 are fixed through the second fixing piece 26, so that the power supply unit 3 and the lamp rope 2 are connected and fixed; the lighting device realizes the detachable connection of the power supply unit 3 and the lamp rope 2, is convenient to be independently replaced when the lamp rope 2 or the power supply unit 3 is independently damaged in the later period, is favorable for reducing the maintenance cost and improving the assembly efficiency; in addition, the second sealing element 25 seals the connecting part 241 of the third connecting piece 27 and the fourth connecting piece 33, so that the sealing performance of the connecting position of the power supply unit 3 and the lamp cord 2 is improved, and the safety of the lighting device is improved.

In an embodiment, referring to fig. 1, the third guiding element 27 is connected to the bottom of the second receiving groove 311 and protrudes from the bottom of the second receiving groove 311 to extend, and the third guiding element 27 and the bottom of the second receiving groove 311 are integrally formed by injection molding.

In the present embodiment, when the power supply housing 31 is prepared, the fourth guiding element 33 and the power supply housing 31 are integrally injection molded, so that the sealing performance between the fourth guiding element 33 and the bottom of the second receiving groove 311 is enhanced, and external impurities and moisture are difficult to enter the power supply housing 31, thereby protecting the power supply body 32. The fourth guide connecting piece 33 and the power supply shell 31 are integrally formed by injection molding to form a first sealing structure at the connecting position of the power supply unit 3, and then the second fixing piece 26 is in compression joint with the second sealing piece 25 in the second accommodating groove 311 to form a second seal at the connecting position of the power supply shell 31 and the lamp rope 2, so that under the action of the two sealing structures, the sealing of the connecting position of the power supply unit 3 and the lamp rope 2 is well guaranteed, and the situation that the miner lamp is difficult to meet the sealing requirement and fails in a complex well and mine environment is prevented.

In one embodiment, referring to FIG. 1, the second fixture 26 is provided with a third connection structure, and the power supply housing 31 is provided with a fourth connection structure, wherein the third connection structure is screwed or clamped with the fourth connection structure.

In this embodiment, the second fixing member 26 is connected to the power supply housing 31 through the external thread and the internal thread of the notch of the second receiving groove 311, and the second fixing member 26 is further connected to the power supply housing 31 through the external thread, and the connection position between the third guiding member 27 and the fourth guiding member 33 can be further sealed and secured by adopting the threaded connection manner, so that the possibility that external impurities and moisture enter the first receiving groove 121 is reduced, and the sealing performance of the connection position between the power supply unit 3 and the lamp cord 2 is improved.

In one embodiment, referring to fig. 1, 2 and 7, the lamp cap 1 further includes a heat dissipating column 6 and a hook 5, one end of the heat dissipating column 6 is connected to the circuit board 113 of the lamp body 11, the other end of the heat dissipating column 6 extends to the lamp housing 12 and extends to the outside of the lamp housing 12, the heat dissipating column 6 and the lamp housing 12 are an integral injection molding structure; the hook 5 is connected to the other end of the heat-dissipating cylinder 6.

Specifically, the heat dissipation column 6 is arranged inside the lamp housing 12, the upper end of the heat dissipation column 6 and the lamp housing 12 are integrally injection-molded, specifically, the heat dissipation column 6 and the lamp housing 12 are integrally injection-molded, so that the heat dissipation column 6 and the lamp housing 12 are injection-molded to form an integral part before being assembled; further, after the lamp shell 12 and the heat dissipation column 6 form an integral structure, the external hook 5 is isolated from the inside of the lamp shell 12, the inside of the lamp shell 12 and the outside of the lamp shell 12 form a relatively sealed structure through the heat dissipation column 6, and external gas or liquid and other media cannot enter the inside of the miner lamp, so that the sealing safety performance of the lamp holder 1 at the metal hook 5 is guaranteed, and the performances of the miner lamp, such as water resistance, explosion resistance, dust resistance and the like, are also improved.

In addition, when the miner lamp is assembled, the hook 5 can be in locking connection with the upper end of the heat dissipation cylinder 6 in a screw locking mode, and the connection effect is firmer; hole sites for locking screws are also designed on the circuit board 113 (PCBA), the circuit board 113 is locked on screw posts matched with the screws in the lamp shell 12 through at least two symmetrical screws on the circuit board 113, the exposed end of the heat dissipation post 6 is locked with the hook 5 in a screw locking mode, and the other end of the heat dissipation post 6 is in contact with the circuit board 113; further, heat conduction silica gel is attached to the interval between heat dissipation cylinder 6 and the butt of circuit board 113, and heat conduction silica gel can carry out good flexonics heat conduction with heat dissipation cylinder 6 and circuit board 113 to make the clearance between heat dissipation cylinder 6 and the circuit board 113 effectively eliminated, promoted heat transfer efficiency.

In an embodiment, referring to fig. 1, 2 and 8, the lamp cap 1 further includes a key unit 4, the key unit 4 includes a key body 41 having elasticity and a touch structure 42 connected to the key body 41, the key body 41 and the lamp housing 12 are an integrally formed structure, the touch structure 42 can be electrically connected to the lamp body 11, and the key body 41 can make the touch structure 42 communicate with the lamp body 11 through elastic deformation.

The key unit 4 includes key body 41, key body 41 can adopt the button, the button is the flexible piece, the button material is TPV (thermoplastic vulcanizate), TPE (thermoplastic elastomer), similar thermoplastic elastomer materials such as TPO (polyolefin thermoplastic elastomer) or TPR (thermoplastic rubber material), good bullet plastic property has, and through the contact of closely moulding plastics of button with lamp housing 12, key unit 4 has formed better seal structure, key unit 4 has good waterproof dustproof performance of sealing, can be under comparatively abominable well mine environment, also have good use and feel and life.

The button does not need extra card to establish structure or bonding mode with being connected of lamp housing 12, only needs to be designed at lamp housing 12 and button contact position and carries out the tight integrative injection moulding's of inseparable package seal structure with button and lamp housing 12, can finally realize better sealed.

For the wired miner lamp, the problem that the service life of the miner lamp is poor due to poor waterproof and dustproof sealing performance under the mine is always troubled, and because the button needs to move frequently, the sealing effects of a conventional sealing ring or a locking screw fixing soft rubber layer and the like are poor, so that the key body 41 and the shell are designed into an integral injection molding structure, and a good sealed ring is formed through self matching between the key body and the shell, so that the sealing performance of the key unit 4 of the wired miner lamp is poor and effectively improved.

The touch structure 42 is a hard member integrally connected with the key body 41 through injection molding, and the touch structure 42 can move back and forth under the condition that the external force triggers the key body 41, so as to trigger the electronic switch on the circuit board 113 to work.

In summary, the corded miner's lamp has good sealing performance at the connection between the lamp cord 2 and the lamp head 1, at the connection between the key unit 4 and the lamp housing 12, and at the connection 241 between the hook 5 and the heat dissipation cylinder 6. For the reason that the mine lamp encounters a severe environment when the mine lamp works under a well or a mine, the mine lamp has strong adaptability and long service life.

The light cord 2 includes a core 221 (conducting wire) and a sleeve 222 sleeved outside the core 221, and two extending ends of the core 221 can be electrically connected to the first connecting piece 13 and the third connecting piece 27, respectively, so that the power supply unit 3 is conducted with the light head 1; the first sealing element 23 is integrally formed on the sheath body 222, and the first fixing element 24 is slidably sleeved on the sheath body 222.

The foregoing is considered as illustrative only of the preferred embodiments of the invention, and is presented only for the purpose of illustrating the principles of the invention and not in any way to limit its scope. Any modifications, equivalents, and improvements made within the spirit and principles of the present application and other embodiments of the present application that one skilled in the art may recognize without inventive faculty are intended to be included within the scope of the present application.

Claims (10)

1. An illumination device, comprising:

the lamp holder (1) comprises a lamp body (11), a lamp shell (12) connected to the lamp body (11) and a first guide connecting piece (13) connected to the lamp shell (12), wherein the lamp shell (12) is provided with a first accommodating groove (121), and the first guide connecting piece (13) is arranged in the first accommodating groove (121) and is electrically connected with the lamp body (11);

the lamp rope (2) comprises a rope body (22), a first sealing element (23), a first fixing element (24) and a second guiding element (21), wherein the first sealing element (23) and the second guiding element (21) are connected to the extending end of the rope body (22), and the first fixing element (24) is arranged on one side, far away from the extending end of the rope body (22), of the first sealing element (23); the second guide connecting piece (21) can be electrically connected with the first guide connecting piece (13), the first sealing piece (23) is inserted into the first accommodating groove (121) in a sealing mode, and the first fixing piece (24) is detachably covered on the notch of the first accommodating groove (121).

2. A lighting device as claimed in claim 1, characterized in that the lighting device further comprises a power supply unit (3), the power supply unit (3) being electrically connected to the other extending end of the light cord (2) for supplying power to the light head (1) through the light cord (2).

3. The lighting device according to claim 2, wherein the first guiding element (13) is inserted into the bottom of the first receiving groove (121) and protrudes from the bottom of the first receiving groove to extend, and the first guiding element (13) and the bottom of the first receiving groove (121) are integrally formed by injection molding.

4. A luminaire as claimed in any one of claims 1 to 3, characterized in that the first fixing part (24) is provided with a first connecting structure and the lamp housing (12) is provided with a second connecting structure, the first connecting structure being screwed or snapped into the second connecting structure.

5. The lighting device of claim 4, wherein the first attachment structure is threadably connected to the second attachment structure; the first fixing piece (24) comprises a connecting portion (241) extending in a columnar shape and a pressing portion (242) protruding outwards from one end of the connecting portion (241) along the radial direction of the connecting portion (241), the first connecting structure is an external thread arranged on the outer surface of the connecting portion (241), and the second connecting structure is an internal thread arranged on the inner wall surface of a notch of the first accommodating groove (121).

6. A lighting device as claimed in claim 3, characterized in that the first guide (13) is in plug-in engagement with the second guide (21); first lead union piece (13) and be equipped with first spacing portion (131), second is led union piece (21) and is equipped with spacing portion of second (211), first lead union piece (13) with when second leads union piece (21) grafting cooperation, first spacing portion (131) can with spacing portion of second (211) elasticity joint.

7. A lighting device as claimed in claim 2 or 3, characterized in that the light cord (2) further comprises a third guide (27), a second sealing (25) and a second fixing (26); the third guide connecting piece (27) and the second sealing piece (25) are connected to the other extending end of the rope body (22), and the second fixing piece (26) is arranged on one side, away from the other extending end of the rope body (22), of the second sealing piece (25);

the power supply unit (3) comprises a power supply body (32), a power supply shell (31) arranged outside the power supply body (32) and a fourth guide piece (33) connected to the power supply shell (31), wherein the fourth guide piece (33) is electrically connected with the power supply body (32); the power supply shell (31) is provided with a second accommodating groove (311), and the fourth guide connecting piece (33) is arranged in the second accommodating groove (311); the third guide connecting piece (27) can be electrically connected with the fourth guide connecting piece (33), the second sealing element (25) is inserted into the second accommodating groove (311), and the second fixing piece (26) is detachably covered on the notch of the second accommodating groove (311).

8. The illumination device as claimed in claim 7, wherein the third guiding element (27) is connected to the bottom of the second receiving groove (311) and extends to protrude from the bottom of the second receiving groove, and the third guiding element (27) and the bottom of the second receiving groove (311) are integrally formed by injection molding.

9. A lighting device as claimed in any one of claims 1-3, wherein the lamp cap (1) further comprises a heat-dissipating stud (6) and a hook (5), one end of the heat-dissipating stud (6) is connected to the lamp body (11), the other end of the heat-dissipating stud (6) extends to the lamp housing (12) and to the outside of the lamp housing (12), and the heat-dissipating stud (6) and the lamp housing (12) are of an integral injection-molded structure; the hook (5) is connected to the other end of the heat dissipation column body (6).

10. The lighting device according to any one of claims 1-3, wherein the lamp cap (1) further comprises a key unit (4), the key unit (4) comprises a key body (41) with elasticity and a touch structure (42) connected with the key body (41), the key body (41) and the lamp housing (12) are an integrally formed structure, the touch structure (42) can be electrically connected with the lamp body (11), and the key body (41) can enable the touch structure (42) to communicate with the lamp body (11) through elastic deformation.

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