CN212408486U

CN212408486U - Explosion-proof lighting device is used in modified starch production

Info

Publication number: CN212408486U
Application number: CN202021189578.3U
Authority: CN
Inventors: 李强; 马盼
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-01-26
Anticipated expiration: 2030-06-24

Abstract

The utility model provides an explosion-proof lighting device is used in modified starch production, includes the base, and base fixed mounting is on the wall, and the base is kept away from wall one side and has been seted up two first rectangular holes, and first rectangular hole opening part is equipped with the trapdoor structure respectively, and the inside top surface fixed mounting of first rectangular hole has the dog, and second rectangular hole leans on lamp stick one side inner wall respectively fixed mounting have the second contact copper sheet, and the second contact copper sheet all with the charge-discharge control chip circuit connection in the lamp stick. The whole lamp rod adopts the closed lamp shade and the LED light source with small heat productivity, so that the use safety is improved, the external dust pollution is avoided, meanwhile, the sliding plate can be opened only when the convex block is inserted into the first rectangular hole, the contact area of the contact copper sheet is isolated in the closed space, the risk of dust explosion caused by electric sparks when the copper sheet is contacted is avoided, and the lamp rod is suitable for being popularized and used as a lighting light source in a deformed starch production workshop.

Description

Explosion-proof lighting device is used in modified starch production

Technical Field

The utility model belongs to dust workshop illumination field, specifically speaking are explosion-proof lighting device is used in modified starch production.

Background

For the lighting device in the starch deformation production workshop, in order to prevent dust explosion caused by electric sparks and high temperature, a special explosion-proof lighting lamp is required to be used, when equipment needs to be overhauled, workers also need to be equipped with portable explosion-proof lighting lamps, the portable lighting lamps need to be purchased and independently kept and maintained, the operation cost of enterprises is increased, meanwhile, most of the charging interfaces of the conventional rechargeable explosion-proof lighting lamps do not have an explosion-proof function, and the conventional rechargeable explosion-proof lighting lamps need to be additionally moved to other safe areas for charging, so that the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model provides an explosion-proof lighting device is used in modified starch production for solve the defect among the prior art.

The utility model discloses a following technical scheme realizes:

an explosion-proof lighting device for producing modified starch comprises a base, wherein the base is fixedly arranged on a wall, two first rectangular holes are formed in one side, away from the wall, of the base, a movable door structure is arranged at the opening of each first rectangular hole, a stop block is fixedly arranged on the top surface inside each first rectangular hole, a first contact copper sheet is fixedly arranged on the end surface of the inner side of each first rectangular hole, the explosion-proof lighting device also comprises a lamp rod, the lamp rod is an LED lighting lamp rod with charging and remote control functions, the lamp rod comprises a lamp holder provided with a battery, a remote control signal receiver and a charging and discharging control chip, an LED lighting plate arranged on one side of the lamp holder and a lamp shade wrapped outside the lighting plate, two convex blocks are fixedly arranged on one side, opposite to the lamp shade, of the lamp rod lamp holder, the convex blocks are respectively in one-to-one correspondence with the, the first springs are fixedly connected between the corresponding side faces of the sliding plate and the lamp rod respectively, the second rectangular holes are formed in the bottom face of the inner portion of the first groove respectively, second contact copper sheets are fixedly mounted on the inner wall of one side, close to the lamp rod, of each second rectangular hole respectively, and the second contact copper sheets are connected with the charge and discharge control chip circuit in the lamp rod.

As above an explosion-proof lighting device is used in modified starch production, the trapdoor structure includes the second recess, and the second recess has been seted up to the inside bottom surface of first rectangular hole, is close to first rectangular hole opening one side in the second recess and is equipped with vertical trapdoor, around the trapdoor bottom both sides respectively with the second recess around both sides inner wall pass through torsional spring door-hinge rotation and be connected, the third recess has been seted up to the inside top surface of first rectangular hole, the trapdoor upper end stretches into the third recess, the trapdoor corresponds the lateral wall with the third recess towards first rectangular hole opening one side upper end and contacts.

According to the explosion-proof lighting device for producing the modified starch, the direct current converter is arranged in the base and is in circuit connection with the external power supply and the first contact copper sheet.

According to the explosion-proof lighting device for modified starch production, the tail ends of the first contact copper sheet and the second contact copper sheet are of arc-shaped protruding structures, the second spring is fixedly connected between the inner arc surface of the first contact copper sheet and the top surface inside the first rectangular hole, the third spring is fixedly connected between the inner arc surface of the second contact copper sheet and the bottom surface inside the second rectangular hole, and the third spring, the base, the lamp holder and the lamp shade are all made of insulating materials.

According to the explosion-proof lighting device for producing the modified starch, the rubber bumps are fixedly arranged on the front side and the rear side of each bump respectively, and the pits are formed in the front side and the rear side of the inside of each first rectangular hole respectively.

According to the explosion-proof lighting device for producing the modified starch, sliding grooves are respectively and transversely formed in the inner walls of the front side and the rear side of the first groove, sliding blocks are respectively and fixedly installed on the front side and the rear side of the sliding plate, and the sliding blocks are respectively in sliding fit with the corresponding sliding grooves.

The utility model has the advantages that: when the lamp rod is normally produced in a workshop, a user inserts the lamp rod on the base, the convex block is inserted by aligning with the position of the first rectangular hole, the convex block can push open the trapdoor structure which plays a role in sealing protection, along with the continuous insertion of the convex block, as shown in figure 4, the stop block can block the sliding plate on the top surface of the convex block so that the sliding plate can not slide leftwards along with the convex block, at the moment, the sliding plate can open the opening position of the top surface of the second rectangular hole, after the convex block is inserted to the bottom, the first contact copper sheet can extend into the second rectangular hole and be contacted with the second contact copper sheet, at the moment, the charge-discharge control chip in the lamp rod can be communicated with the direct-current converter circuit in the base, the lamp rod can be directly powered and charged by the base, the user can control the normal switch of the lamp rod through an external remote controller, when the lamp rod is required to be used as a mobile light, the trapdoor structure can be automatically closed after the convex block is pulled out, and meanwhile, the sliding plate can slide leftwards under the pushing of the first spring to close the second rectangular hole again, at the moment, the lamp rod can be supplied with power by depending on a battery of the sliding plate, a user only needs to reinsert the lamp rod back to the base again after the lamp rod is used or the electric quantity is exhausted, the device can be used as a fixed light source and installed on a wall, and can also independently pull the lamp rod down at any time to be used as a movable light source, the device is particularly suitable for being used as an illuminating light source beside equipment, the user does not need to additionally provide an independent movable light source, the whole lamp rod adopts a closed lampshade and an LED light source with small heat productivity to improve the use safety, and by utilizing the design of the trapdoor structure and the sliding plate, the charging interfaces on the base and the convex block are always sealed inside the first rectangular hole and the second rectangular hole, meanwhile, the sliding plate is opened only when the bump is inserted into the first rectangular hole, the contact area of the contact copper sheet is isolated in a closed space, the risk of dust explosion caused by electric sparks when the copper sheet is in contact is avoided, and the sliding plate is suitable for being popularized and used as a lighting source in a deformed starch production workshop.

Drawings

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

Fig. 1 is a schematic structural diagram of the present invention; fig. 2 is a schematic view of a charging state of the present invention; fig. 3 is a plan view of the present invention, and fig. 4 is a partial enlarged view of fig. 3.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

An explosion-proof lighting device for producing modified starch comprises a base 1, wherein the base 1 is fixedly arranged on a wall, two first rectangular holes 11 are formed in one side, away from the wall, of the base 1, a trapdoor structure is arranged at the opening of each first rectangular hole 11, a stop block 12 is fixedly arranged on the top surface inside each first rectangular hole 11, a first contact copper sheet 2 is fixedly arranged on the end surface of the inner side of each first rectangular hole 11, the explosion-proof lighting device also comprises a lamp rod 3, the lamp rod 3 is an LED lighting lamp rod with charging and remote control functions, the lamp rod 3 comprises a lamp holder provided with a battery, a remote control signal receiver and a charging and discharging control chip, an LED lighting panel arranged on one side of the lamp holder and a lampshade wrapped outside the lighting panel, the remote control charging LED lighting rod is the prior mature technology and is not repeated, two convex blocks 31 are fixedly arranged on one side, opposite to the lampshade, of the lamp holder 3, and the, first grooves 32 are formed in the top surfaces of the convex blocks 31 respectively, the transverse length of each first groove 32 is equal to that of each convex block 31, sliding plates 33 are installed in the first grooves 32 in a sliding fit mode respectively, first springs 34 are fixedly connected between the sliding plates 33 and the corresponding side surfaces of the lamp rods 3 respectively, second rectangular holes 4 are formed in the bottom surfaces of the inner portions of the first grooves 32 respectively, second contact copper sheets 41 are fixedly installed on the inner walls of the second rectangular holes 4 close to the inner walls of the lamp rods 3 respectively, the second contact copper sheets 41 are connected with charge and discharge control chips in the lamp rods 3 in a circuit mode, one of the second contact copper sheets 41 is connected with the positive electrode of the input end of the charge and discharge control chip in a circuit mode, and the other second contact copper sheet 41 is connected with the negative. When the lamp rod 3 is inserted on the base 1 during normal production in a workshop, the bump 31 is inserted by aligning with the position of the first rectangular hole 1, the bump 31 can push open the trapdoor structure with the sealing protection effect, along with the continuous insertion of the bump 31, as shown in fig. 4, the stop block 12 can stop the sliding plate 33 on the top surface of the bump 31 to prevent the sliding plate 33 from sliding leftwards along with the bump 31, at the moment, the sliding plate 33 can leave the top surface opening position of the second rectangular hole 4, after the bump 31 is inserted to the bottom, the first contact copper sheet 2 can extend into the second rectangular hole 4 and contact with the second contact copper sheet 41, at the moment, the charging and discharging control chip in the lamp rod 3 can be communicated with the direct current converter circuit in the base 1, the lamp rod 3 can be directly powered and charged by the base 1, a user can control the normal switch of the lamp rod 3 through an external remote controller, and when the lamp rod 3 is used as a mobile light source, the user grasps the light bar 3 by hand and pulls out the light bar from the base 1, the trapdoor structure can be automatically closed after the convex block 31 is pulled out, meanwhile, the sliding plate 33 can slide leftwards under the pushing of the first spring 34 to close the second rectangular hole 4 again, at the moment, the light bar 3 can be supplied with power by depending on the battery of the user, the user only needs to insert the light bar 3 back to the base 1 again for charging after the use or after the electric quantity is exhausted, the device can be used as a fixed light source and installed on a wall, and can pull out the light bar 3 independently at any time to be used as a movable light source, the device is particularly suitable for being used as an illuminating light source beside equipment, the user does not need to be additionally provided with an independent movable light source, the whole light bar 3 adopts a closed lampshade and an LED light source with small heating quantity, the use safety is improved, and the charging interfaces on the base 1 and the convex block 31 are always closed inside the first rectangular hole 11 and the second rectangular hole 4 under the separated state by utilizing, the external dust pollution is avoided, meanwhile, the sliding plate 33 is opened only when the bump 31 is inserted into the first rectangular hole 11, the contact area of the contact copper sheet is isolated in a closed space, the risk of dust explosion caused by electric sparks when the copper sheet is in contact is avoided, and the device is suitable for being popularized and used as a lighting source in a deformed starch production workshop.

Specifically, as shown in fig. 1 and 3, the trapdoor structure of the present embodiment includes a second groove 5, the second groove 5 is formed in the bottom surface of the first rectangular hole 11, the second groove 5 has the same longitudinal width as the first rectangular hole 11, a vertical trapdoor 51 is disposed in the second groove 5 near the opening of the first rectangular hole 11, the front and rear sides of the bottom of the trapdoor 51 are rotatably connected to the inner walls of the front and rear sides of the second groove 5 through torsion spring door shafts, respectively, the door shafts with torsion springs capable of automatically resetting are the existing mature technology, the specific structure of the trap door is not described herein, as shown in fig. 1, the torsion spring door shaft can provide a clockwise rotation torsion force to the trap door 51, the third groove 52 is formed on the top surface inside the first rectangular hole 11, the upper end of the trap door 51 extends into the third groove 52, and the upper end of the side of the trap door 51 facing the opening of the first rectangular hole 11 contacts with the corresponding side wall of the third groove 52. When the protrusion 31 is not inserted into the first rectangular hole 11, the flap door 51 will stand under the torsion action of the torsion spring door shaft to close the opening of the first rectangular hole 11, when the protrusion 31 is inserted into the first rectangular hole 11, the protrusion 31 will push the flap door 51 to lie down toward the inner side of the first rectangular hole 11, the flap door 51 will turn downward and pour into the second groove 5, which will not obstruct the protrusion 31 from continuing to insert, after the protrusion 31 is pulled out, the flap door 51 will turn again under the action of the torsion spring to stand to close the first rectangular hole 11, which plays a role of preventing dust from entering.

Specifically, not shown in the figure, a dc converter is disposed inside the base 1 according to this embodiment, and the dc converter is electrically connected to an external power source and the first contact copper sheet 2. The direct current converter can be with the alternating current conversion of external power supply for the direct current that the light stick 3 carries out charging, wherein first contact copper sheet 2 circuit connection direct current converter's output positive pole, another first contact copper sheet 2 then circuit connection direct current converter's output negative pole to provide the contact that charges for light stick 3.

Further, as shown in fig. 1, in this embodiment, the ends of the first contact copper sheet 2 and the second contact copper sheet 41 are both arc-shaped protruding structures, a second spring 21 is fixedly connected between the inner arc surface of the first contact copper sheet 2 and the inner top surface of the first rectangular hole 11, a third spring 42 is fixedly connected between the inner arc surface of the second contact copper sheet 41 and the inner bottom surface of the second rectangular hole 4, and the third spring 42, the base 1, the lamp holder and the lamp shade are all made of insulating materials. The contact copper sheets are made of red copper sheets, have good elasticity, when the projection 31 is pushed into the first rectangular hole 11, the front end of the projection 31 is contacted with the cambered surface of the first contact copper sheet 2, and pushes it upwards, the bump 31 will continue to be inserted into the first rectangular hole 11 to the bottom after pushing the first contact copper sheet 2 upwards, the arc-shaped part of the first contact copper sheet 2 can downwards extend into the second rectangular hole 4 under the pushing of the second spring 21, and contacts with the circumference of the arc surface of the second contact copper sheet 41, the two contact copper sheets can reduce the resistance when relative sliding occurs by adopting the arc surface design, and simultaneously, the contact tightness of the two contact copper sheets is ensured, when the lug 31 is pulled out of the first rectangular hole 11, the arc-shaped part of the first contact copper sheet 2 retreats upwards from the second rectangular hole 4 to be separated from the contact with the second contact copper sheet 41, and bounces downwards again to restore the original shape after the bump 31 retreats completely from the first rectangular hole 11.

Furthermore, as shown in fig. 1, the rubber bumps 6 are fixedly mounted on the front and rear sides of the bump 31, and the pits 61 are respectively formed on the front and rear sides inside the first rectangular hole 11. When the lug 31 begins to insert first rectangular hole 11, rubber bump 6 can be extruded by both sides inner wall around first rectangular hole 11 and take place elastic deformation, then extrude in the gap between lug 31 and first rectangular hole 1, insert the back in place completely at lug 31, rubber bump 6 is located the pit 61 position that corresponds just, rubber bump 6 can bounce reconversion, and stretch into corresponding pit 61, thereby increase the frictional force between lug 31 and the first rectangular hole 11, avoid the unexpected landing of lamp stick 3 under the action of gravity, only need extract hard when the lamp stick 3 of needs take.

Furthermore, as shown in fig. 4, sliding grooves 35 are transversely formed in inner walls of front and rear sides of the first groove 32, sliding blocks 36 are fixedly mounted on front and rear sides of the sliding plate 33, and the sliding blocks 36 are in sliding fit with the corresponding sliding grooves 35. The structure limits the moving direction of the sliding plate 36 through the cooperation of the sliding block 36 and the sliding groove 35, so that the sliding plate 36 can only slide transversely in the first groove 32.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides an explosion-proof lighting device is used in modified starch production, includes base (1), base (1) fixed mounting on the wall, its characterized in that: two first rectangular holes (11) are formed in one side, far away from a wall, of the base (1), a trapdoor structure is arranged at the opening of each first rectangular hole (11), a stop block (12) is fixedly arranged on the top surface inside each first rectangular hole (11), a first contact copper sheet (2) is fixedly arranged on the end surface of the inner side of each first rectangular hole (11), the trapdoor structure further comprises a lamp rod (3), the lamp rod (3) is an LED illuminating lamp rod with charging and remote control functions, the lamp rod (3) is composed of a lamp holder provided with a battery, a remote control signal receiver and a charging and discharging control chip, an LED illuminating plate arranged on one side of the lamp holder and a lampshade wrapped outside the illuminating plate, two convex blocks (31) are fixedly arranged on one side, far away from the lampshade, of the lamp holder (3), the convex blocks (31) are respectively in one-to-one correspondence with the positions of the first rectangular holes, slide (33) are installed in the first recess (32) in a sliding fit mode respectively, slide (33) and lamp stick (3) correspond between the side respectively fixedly connected with first spring (34), second rectangular hole (4) have been seted up respectively to inside bottom surface of first recess (32), second rectangular hole (4) lean on lamp stick (3) one side inner wall on respectively fixedly mounted have second contact copper sheet (41), second contact copper sheet (41) all with the charge-discharge control chip circuit connection in lamp stick (3).

2. The explosion-proof lighting device for modified starch production according to claim 1, wherein: the trapdoor structure includes second recess (5), second recess (5) have been seted up to the inside bottom surface in first rectangular hole (11), be close to first rectangular hole (11) opening one side in second recess (5) and be equipped with vertical trapdoor (51), both sides rotate through torsional spring door pivot with second recess (5) front and back both sides inner wall respectively around trapdoor (51) bottom, third recess (52) have been seted up to the inside top surface in first rectangular hole (11), trapdoor (51) upper end stretches into third recess (52), trapdoor (51) correspond the lateral wall towards first rectangular hole (11) opening one side upper end and third recess (52) and contact.

3. The explosion-proof lighting device for modified starch production according to claim 1, wherein: the direct current converter is arranged in the base (1) and is in circuit connection with an external power supply and the first contact copper sheet (2).

4. The explosion-proof lighting device for modified starch production according to claim 1, wherein: the tail ends of the first contact copper sheet (2) and the second contact copper sheet (41) are arc-shaped protruding structures, a second spring (21) is fixedly connected between the inner side arc surface of the first contact copper sheet (2) and the inner top surface of the first rectangular hole (11), a third spring (42) is fixedly connected between the inner side arc surface of the second contact copper sheet (41) and the inner bottom surface of the second rectangular hole (4), and the third spring (42), the base (1), the lamp holder and the lamp shade are all made of insulating materials.

5. The explosion-proof lighting device for modified starch production according to claim 1, wherein: rubber bumps (6) are fixedly mounted on the front side and the rear side of the bump (31) respectively, and pits (61) are formed in the front side and the rear side of the inside of the first rectangular hole (11) respectively.

6. The explosion-proof lighting device for modified starch production according to claim 1, wherein: sliding grooves (35) are transversely formed in the inner walls of the front side and the rear side of the first groove (32), sliding blocks (36) are fixedly mounted on the front side and the rear side of the sliding plate (33) respectively, and the sliding blocks (36) are in sliding fit with the corresponding sliding grooves (35) respectively.