CN212430776U

CN212430776U - Explosion-proof lamp holder

Info

Publication number: CN212430776U
Application number: CN202021340028.7U
Authority: CN
Inventors: 李继东; 李云香
Original assignee: Sichuan Yizhou Technology Co ltd
Current assignee: Sichuan Yizhou Technology Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-01-29
Anticipated expiration: 2030-07-09

Abstract

The utility model relates to an explosion-proof lamp is relevant, more specifically the explosion-proof lamp stand that says so, the recess internal fixation in the base shell is provided with the bulb seat, slidable on the base shell is provided with the bulb sealing washer, and the bulb sealing washer is located the top of bulb seat, the one end opposite with the bulb sealing washer on the base shell is provided with the hemisphere clamshell through the screw thread, the junction of hemisphere clamshell and base shell is provided with the screw ring, the screw ring is simultaneously with hemisphere clamshell and base shell threaded connection, predetermine the electric wire and include first electric wire and second electric wire, first electric wire and second electric wire pass the through-hole that sets up on the hemisphere clamshell simultaneously, and fixed setting is in and the through-hole junction; have the junction that can seal lamp stand and bulb, prevent that external combustible gas or dust from getting into the explosion that leads to, correspond electric wire connection department simultaneously and have the function of preventing dragging, if drag the distance too big, then can make the bulb outage, the effectual explosion that has prevented.

Description

Explosion-proof lamp holder

Technical Field

The utility model relates to an explosion-proof lamps and lanterns are relevant, especially relate to an explosion-proof lamp stand.

Background

The explosion of the lamp is caused by the accidental poor contact at the connection part of the electric wire due to combustible gas or dust, and an explosion-proof lamp holder is designed aiming at the two problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an explosion-proof lamp holder has the junction that can seal lamp stand and bulb, prevents that external combustible gas or dust from getting into the explosion that leads to, corresponds wire connection department simultaneously and has the function of preventing dragging, if drag the distance too big, then can make the bulb outage, the effectual explosion that has prevented.

The technical scheme of the utility model is that:

the utility model provides an explosion-proof lamp stand, recess internal fixation in the base shell is provided with the bulb seat, slidable is provided with the bulb sealing washer on the base shell, and the bulb sealing washer is located the top of bulb seat, the one end opposite with the bulb sealing washer on the base shell is provided with the hemisphere clamshell through the screw thread, hemisphere clamshell is provided with the screw ring with the junction of base shell, the screw ring simultaneously with hemisphere clamshell and base shell threaded connection, it includes first electric wire and second electric wire to predetermine the electric wire, first electric wire and second electric wire pass the through-hole that the hemisphere clamshell set up simultaneously to fixed setting is in with the through-hole junction, first electric wire and second electric wire all pass the through-hole that sets up on base shell and the bulb seat, set up the thread groove on the inner wall of bulb seat, the thread groove is used for fixed bulb.

As the further optimization of this technical scheme, the bulb sealing washer is still including setting up ring channel and the smooth mouth of arc on the base shell, the bulb sealing washer is the coil and establishes in the ring channel, the upper and lower both sides of ring channel all are provided with the helicla flute of position symmetry, the surface of bulb sealing washer corresponds the helicla flute and is provided with the arch, this arch slidable sets up in the helicla flute, be provided with the slide bar on the bulb sealing washer, the slide bar slidable sets up in the arc slide mouth, the one end of slide bar is connected with the outside end of bulb sealing washer, be provided with on the slide bar and be used for the screw to its location.

As a further optimization of the technical scheme, the first electric wire is provided with a first reserved line, the second electric wire is provided with a second reserved line, and the first reserved line and the second reserved line are located in the hemispherical shell cover.

As a further optimization of the technical scheme, a first clamping ring is arranged at the front end of the second reserved line, a second clamping ring is arranged at the front end of the first reserved line, a first spring is fixedly arranged on the first clamping ring, a second spring is fixedly arranged on the second clamping ring, the first clamping ring and the first spring are slidably arranged in a first sliding groove formed in the base shell, the front end of the second reserved line penetrates through a first through hole formed in the bottom of the bulb holder, the front end of the first wire penetrates through a through hole groove formed in the base shell, and the second clamping ring and the second spring are slidably arranged in a sliding groove formed in the bulb holder.

The working principle of the technical scheme is as follows:

when the bulb is installed on the bulb seat, can seal bulb and base shell department through the bulb sealing washer, effectually prevent that combustible gas or dust from getting into, and predetermine the electric wire and be responsible for supplying power for the bulb, when predetermineeing the electric wire and meet unexpected tensile, first reservation line and second reservation line can be pulled out, prevent to predetermine the unexpected fracture of electric wire and cause the spark, produce the explosion, and when tensile distance was too big, the top of second reservation line can be dragged, thereby with bulb off-connection, prevent the unexpected explosion of bulb.

The utility model has the advantages that:

1. after the bulb is installed, the sliding rod slides to drive the bulb sealing ring to rotate, so that the bulb sealing ring is curled towards the circle center, the joint of the bulb and the base shell is sealed, and the bulb is fixed through the screw arranged on the sliding rod.

2. When the preset electric wire is pulled accidentally, the second reserved wire and the first reserved wire serve as the part of pulling buffering, and the problem of lines caused by excessive pulling of the preset electric wire is prevented.

3. When the distance that predetermines the electric wire and receive the pulling is great, the top of second reservation line can break away from the bulb for the very first time, makes the bulb outage, prevents that the bulb from exploding.

Drawings

Fig. 1 is a schematic structural view of an explosion-proof lamp holder according to an embodiment of the present invention.

Fig. 2 is a schematic cross-sectional structure of a-a in fig. 1.

Fig. 3 is a schematic structural diagram of a preset wire of an explosion-proof lamp holder according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a bulb socket of an explosion-proof lamp socket according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a thread groove of an explosion-proof lamp holder according to an embodiment of the present invention.

Fig. 6 is a schematic structural view of a bulb sealing ring of an explosion-proof lamp holder according to an embodiment of the present invention in an operating state.

Description of reference numerals: 1. a base housing; 2. a bulb holder; 3. a bulb sealing ring; 4. presetting a wire; 5. an annular groove; 6. a thread groove; 7. an arc-shaped sliding opening; 8. a slide bar; 9. a helical groove; 10. a sliding slot hole; 11. a first sliding groove; 12. a through hole slot; 13. a first electric wire; 14. a second electric wire; 15. a second reserve line; 16. a first capture ring; 17. a first spring; 18. a first reserve line; 19. a second capture ring; 20. a second spring; 21. a first through hole; 22. a threaded ring; 23. a hemispherical shell; 24. a bulb.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

as shown in fig. 1, 2, 3 and 4, an explosion-proof lamp holder is characterized in that a lamp socket 2 is fixedly arranged in a groove in a base housing 1, a lamp sealing ring 3 is slidably arranged on the base housing 1, the lamp sealing ring 3 is positioned above the lamp socket 2, a hemispherical housing 23 is arranged at one end of the base housing 1 opposite to the lamp sealing ring 3 through a thread, a threaded ring 22 is arranged at the joint of the hemispherical housing 23 and the base housing 1, the threaded ring 22 is simultaneously in threaded connection with the hemispherical housing 23 and the base housing 1, a preset wire 4 comprises a first wire 13 and a second wire 14, the first wire 13 and the second wire 14 simultaneously penetrate through holes arranged on the hemispherical housing 23 and are fixedly arranged at the joint with the through holes, the first wire 13 and the second wire 14 both penetrate through holes arranged on the base housing 1 and the lamp socket 2, a thread groove 9 is arranged on the inner wall of the lamp socket 2, the screw groove 9 is used for fixing the bulb 24.

In the embodiment, the threaded ring 22 can effectively ensure the sealing performance of the joint of the hemispherical shell cover 23 and the base shell 1, the bulb sealing ring 3 can seal the joint of the bulb and the base shell 1, and the preset wire 4 provides power for the bulb.

In another embodiment, as shown in fig. 1, fig. 2, fig. 5 and fig. 6, the lamp sealing ring further includes an annular groove 5 and an arc-shaped sliding opening 7 which are arranged on the base housing 1, the lamp sealing ring 3 is arranged in the annular groove 5 in a coil shape, as shown in fig. 2, the upper side and the lower side of the annular groove 5 are both provided with spiral grooves 6 which are symmetrical in position, a protrusion is arranged on the surface of the lamp sealing ring 3 corresponding to the spiral grooves 6, the protrusion is slidably arranged in the spiral grooves 6, a sliding rod 8 is arranged on the lamp sealing ring 3, the sliding rod 8 is slidably arranged in the arc-shaped sliding opening 7, one end of the sliding rod 8 is connected with the outer end of the lamp sealing ring 3, and a screw for positioning the.

As shown in fig. 6, when sealing, the sliding rod 8 slides to drive the bulb sealing ring 3 to curl toward the center of the bulb sealing ring 3, the spiral groove 6 defines the moving track of the bulb sealing ring 3, so as to ensure that the bulb sealing ring 3 can curl along the track of the spiral groove 6, and the bulb sealing ring 3 extending out of the spiral groove 6 winds and seals the bulb 24, so that the bulb sealing ring 3 seals the joint of the bulb 24 and the base shell 1, and the sealing performance of the lamp holder is ensured.

In another embodiment, as shown in fig. 1, 3 and 6, the first electric wire 13 is provided with a first reserve line 18, the second electric wire 14 is provided with a second reserve line 15, and the first reserve line 18 and the second reserve line 15 are located inside the hemispherical cover 23.

In this embodiment, the first reserved line 18 and the second reserved line 15 are long electric wires and are spirally arranged in the hemispherical shell cover 23, and when the first electric wire 13 and the second electric wire 14 can be prevented from being accidentally pulled, the top ends of the first reserved line 18 and the second reserved line 15 are not separated from the bulb 24, so that the line power supply is not influenced, and the buffering function is started.

In another embodiment, as shown in fig. 1 and 3, a first locking ring 16 is disposed at the front end of the second preformed wire 15, a second locking ring 19 is disposed at the front end of the first preformed wire 18, a first spring 17 is fixedly disposed on the first locking ring 16, a second spring 20 is fixedly disposed on the second locking ring 19, the first locking ring 16 and the first spring 17 are slidably disposed in a first sliding groove 11 disposed on the base housing 1, the front end of the second preformed wire 15 passes through a first through hole 21 disposed at the bottom of the bulb holder 2, the front end of the first wire 13 passes through a through hole 12 disposed on the base housing 1, and the second locking ring 19 and the second spring 20 are slidably disposed in a sliding groove hole 10 disposed on the bulb holder 2.

In the embodiment, the first spring 17 supports the first clamping ring 16 to ensure that the front end of the second reserved line 15 is in contact with the bulb 24, and the second spring 20 supports the second clamping ring 19 to ensure that the front end of the first reserved line 18 is in contact with the bulb without affecting the installation of the bulb 24; when the second reserved line 15 and the first reserved line 18 are pulled, the first clamping ring 16 presses the first spring 17, so that the front end of the second reserved line 15 is separated from the bulb 24 for the first time, the bulb 24 is powered off, and the bulb is prevented from exploding.

The explosion-proof lamp holder of the embodiment has the working principle that:

the bulb 24 is rotatably installed into the bulb seat 2 through the opening of the base shell 1, the bulb is in contact with the top end of the second reserved line 15 and the top end of the first reserved line 18, the electrified state is kept, then the sliding rod 8 slides along the arc-shaped sliding opening 7, the bulb sealing ring is curled towards the bulb along the track of the spiral groove 6, the bulb sealing ring 3 is sealed at the joint of the bulb and the base shell 1, the threaded ring 22 seals the joint of the hemispherical shell cover 23 and the base shell 1, the sealing performance of the lamp holder is guaranteed, and combustible gas or dust is prevented from entering the lamp holder.

When the first electric wire 13 and the second electric wire 14 are accidentally pulled, the second reserved wire 15 and the first reserved wire 18 are a long electric wire reserved in the hemispherical shell 23, the second reserved wire 15 and the first reserved wire 18 play a role in buffering, accidental operation explosions such as breakage caused by pulling of the first electric wire 13 and the second electric wire 14 are prevented, if external force is large, the first electric wire 13 and the second electric wire 14 are continuously pulled out, the first clamping ring 16 can extrude the first spring 17, the top end of the second reserved wire 15 is separated from the bulb for the first time, the bulb is powered off, and the bulb is prevented from being exploded.

The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. An explosion-proof lamp holder is characterized by comprising a base shell and a preset wire, wherein a bulb holder is fixedly arranged in a groove in the base shell, a bulb sealing ring is slidably arranged on the base shell and is positioned above the bulb seat, a hemispherical shell cover is arranged at one end of the base shell opposite to the bulb sealing ring through threads, a threaded ring is arranged at the joint of the hemispherical shell cover and the base shell, the threaded ring is in threaded connection with the hemispherical shell cover and the base shell at the same time, the preset electric wire comprises a first electric wire and a second electric wire, the first electric wire and the second electric wire simultaneously penetrate through a through hole arranged on the hemispherical shell cover, the first wire and the second wire penetrate through the through holes formed in the base shell and the bulb base, and threaded grooves are formed in the inner wall of the bulb base and used for fixing a bulb.

2. The explosion-proof lamp holder according to claim 1, wherein the bulb sealing ring further comprises an annular groove and an arc-shaped sliding opening, the annular groove and the arc-shaped sliding opening are formed in the base housing, the bulb sealing ring is arranged in the annular groove in a coiled manner, the upper side and the lower side of the annular groove are respectively provided with a spiral groove which is symmetrical in position, a protrusion is arranged on the surface of the bulb sealing ring corresponding to the spiral groove and can be slidably arranged in the spiral groove, a sliding rod is arranged on the bulb sealing ring and can be slidably arranged in the arc-shaped sliding opening, one end of the sliding rod is connected with the outer side end of the bulb sealing ring, and a screw for positioning the sliding rod.

3. An explosion-proof lamp holder as claimed in claim 1, wherein the first wire is provided with a first reserved line, the second wire is provided with a second reserved line, and the first reserved line and the second reserved line are located in the hemispherical shell cover.

4. The explosion-proof lamp holder as claimed in claim 3, wherein the front end of the second reserved line is provided with a first locking ring, the front end of the first reserved line is provided with a second locking ring, the first locking ring is fixedly provided with a first spring, the second locking ring is fixedly provided with a second spring, the first locking ring and the first spring are slidably arranged in a first sliding groove arranged on the base housing, the front end of the second reserved line passes through a first through hole arranged at the bottom of the bulb holder, the front end of the first wire passes through a through hole groove arranged on the base housing, and the second locking ring and the second spring are slidably arranged in a sliding groove arranged on the bulb holder.