WO2018039889A1

WO2018039889A1 - Industrial plug for marine refrigerated container

Info

Publication number: WO2018039889A1
Application number: PCT/CN2016/097231
Authority: WO
Inventors: 刘泉; 张雷; 克劳斯⋅伦纳
Original assignee: 郑进宇
Priority date: 2016-08-29
Filing date: 2016-08-29
Publication date: 2018-03-08

Abstract

An industrial plug for a marine refrigerated container comprises a plug base (20), a plug sealing sheath assembly (10), and a ferrule rotation assembly. The ferrule rotation assembly comprises a rotary substrate fixing plate (40). An annular mounting groove (41) is disposed on one side of the rotary substrate fixing plate (40). A first slot (42) and a second slot are disposed on an inner side surface of the annular mounting groove (41), and a slideway (44) is disposed between the first slot (42) and the second slot. A rotary substrate (30) penetrates in the annular mounting groove (41). A rotary lock catch (60) is mounted on the rotary substrate (30). A rotary clamping block (64) is disposed on one end of the rotary lock catch (60). A grounding ferrule assembly (70) and a second live wire ferrule assembly (71) are mounted on the rotary substrate (30). A rotary substrate pressing plate (50) is clipped to the rotary substrate (30), and jacks up and rotates the rotary lock catch (60). The rotary clamping block (64) is switched between the first slot (42) and the second slot, and the rotary substrate (30) drives the grounding ferrule assembly (70) and the second live wire ferrule assembly (71) to implement 180-degree progressive rotation synchronous with the rotary lock catch (60), so that the plug is switched between 3H and 6H.

Description

Industrial plug for marine refrigerated container

Technical field

The invention relates to the field of industrial plugs, in particular to an industrial plug for marine refrigerated containers.

Background technique

On the reefer container, the industrial plug is used as the power receiving interface commonly used in the transportation of containers. The versatility requirements and dimensional interchangeability requirements need to meet the standards of IEC60309. In the international logistics and transportation industry, many containers are in transit and need to be charged to control the temperature inside the container. The actual situation is that when the container is transported at sea, the rated voltage of the sea transport is 380V~, 50hz, 3P+E (3P+ ground), and the ground contact is located at the red industrial socket of 3h (3 o'clock direction). Interface, and when the container is transported by land, the rated voltage of land transport is 380-415V~, 50/60hz, 3P+E (3P+ ground), and the ground contact is located at 6h (6 o'clock) red industrial socket Power transmission interface. At this point, the user has to replace the power receiving plug interface of the container, that is, replace the 3h plug with a 6h plug to ensure the normal power supply of the container. This problem of poor versatility causes great inconvenience to the user.

In order to solve the above problems, the Chinese invention patent CN201174485Y discloses an industrial plug with a reverse mechanism, the ground wire conductive ferrule is fixed on the plug body, wherein the two phase wire conductive ferrules are symmetrically fixed on the rotating device, and rotate The device is sleeved on the plug body and can be rotated and positioned 180 degrees with the plug body to form a reverse mechanism. When the plug phase sequence needs to reverse the phase sequence, the rotation device can be rotated 180 degrees to complete the correct phase sequence operation. . This structure is poor in safety and high in cost.

Therefore, the industrial plug of the existing shipping container has a problem of poor safety and high cost.

Summary of the invention

The technical problem to be solved by the present invention is that the industrial plug of the existing marine container has the problems of poor safety and high cost.

In order to solve the above technical problem, the technical solution adopted by the present invention is to provide an industrial plug for a marine refrigerated container, comprising a plug base, a plug sealing sheath assembly and a ferrule rotating assembly, the ferrule rotating assembly comprising:

The rotating base fixing plate is fixed on the plug base, and one side of the rotating base fixing plate has an annular mounting groove extending through the plug base, and the inner side of the annular mounting groove is directly spaced apart a first card slot and a second card slot are disposed, a slide rail is disposed between the first and second card slots, and two sets of first FireWire ferrule assemblies are mounted on the other side of the rotating base plate

a rotating base body mounted in the annular mounting groove, the rotating base body is mounted with a rotary latch, one end of the rotary latch is provided with a rotating block, and the rotating block is placed in the first card slot or In the second card slot, a set of ground ferrule assemblies and a second set of live ferrule assemblies are respectively mounted on the rotating base body.

Rotating the base platen to engage the upper end of the rotating base body,

Upturning and rotating the rotary latch, the rotary block is switched between the first card slot and the second card slot, the rotating base driving the ground ferrule assembly and the second The live wire ferrule assembly rotates synchronously with the rotary lock.

In the above solution, a plurality of split card slots are defined between the first card slot and the second card slot, and the width of the split card slot is smaller than the width of the first and second card slots. .

In the above solution, the slide rail is disposed above the first card slot and the second card slot, and the height of the slide track is greater than the thickness of the rotating block.

In the above solution, the upper end surface of the rotating base body is separately protruded from two jackets for mounting the ground ferrule assembly and the second live ferrule assembly, and the two jackets are disposed between a limiting slot adapted to the brake block at the lower end of the rotary latch, one side of the limiting slot protrudes from the limiting post.

In the above solution, a mounting hole is formed on one side of the upper end surface of the rotary latch, and is mounted on the limiting post through the mounting hole, and the other side of the upper end surface of the rotary latch protrudes There is a first support column, and a second support column protrudes downward from an inner side surface of the rotating base platen, and the first and second support columns are provided with a compression spring.

In the above solution, the brake rotating groove is opened on the bottom surface of the brake block.

In the above solution, the two jackets are connected by a curved connecting seat, and the arc connecting seat is provided with a first threaded hole through which the screw is screwed into the first thread. The rotating base platen is fixed in the bore.

In the above solution, the upper end surface of the plug base is provided with a partition, one side of the partition is provided with a slot corresponding to the annular mounting groove, and the partition surrounds the slot A plurality of connecting posts are arranged at intervals, and the connecting post is provided with a second threaded hole, and the screw is screwed into the second threaded hole through the rotating base fixing plate.

In the above aspect, the outer circumference of the rotating base fixing plate is provided with a plurality of mounting portions corresponding to the connecting post, and the mounting portion is provided with a through hole adapted to the second threaded hole, the screw And passing through the through hole and the second threaded hole in sequence to be fixedly connected to the connecting post.

In the above solution, the partition plate is further provided with two through holes for respectively mounting the two first live wire ferrule assemblies.

According to the present invention, the grounding ferrule assembly and the set of second live ferrule assemblies are mounted on the rotating base body, and the rotation of the rotating buckle is rotated 180 degrees to realize the switching of the plug between 3H and 6H. The structure is simple, easy to operate, and improves work efficiency.

DRAWINGS

Figure 1 is a schematic view of the structure of the present invention;

Figure 2 is an exploded view of the present invention;

Figure 3 is a schematic view showing the structure of the plug sealing sheath assembly removed in the present invention;

4 is a schematic structural view of the plug sealing sheath assembly and the rotating base platen removed in the present invention;

Figure 5 is a schematic structural view of a plug base in the present invention;

Figure 6 is a schematic structural view of a rotating base fixing plate in the present invention;

Figure 7 is a schematic structural view of a rotating base body according to the present invention;

Figure 8 is a schematic structural view of a rotating base platen according to the present invention;

Figure 9 is a schematic view showing the structure of the rotary lock in the present invention.

detailed description

The present invention will be described in detail below with reference to the accompanying drawings.

As shown in FIG. 1 and FIG. 2, the present invention provides an industrial plug for a marine refrigerated container, comprising a plug base 20, a plug sealing sheath assembly 10 and a ferrule rotating assembly, and the plug sealing sheath assembly 10 is screwed onto the plug. The upper end of the base 20 is for sealing and protecting the plug base 20. Specifically, the plug sealing sheath assembly 10 includes a sealing sheath body 11, a locking nut 12 and a plug locking ring 13, and the locking nut 12 and the plug locking ring 13 are respectively located at the upper and lower portions of the sealing sheath body 11, respectively It is connected to the outer side of the sealing sheath body 11 by screwing. The locking nut 12 is provided with a sealing plug 14 , and a sealing groove is arranged in the plug locking ring 13 at the lower part of the sealing sheath body 11 . The sealing ring 15 and the sealing sheath body 11 form a sealing structure with the upper end ring of the plug base 20 through the silicone sealing ring 15, and can seal when the plug is connected with the socket.

3, 4 and 5, the ferrule rotating assembly includes a rotating base fixing plate 40, a rotating base 30, and a rotating base platen 50 fastened to the upper end of the rotating base 30. The rotating base fixing plate 40 is fixed to the plug base 20. One side of the rotating base fixing plate 40 is provided with an annular mounting groove 41 penetrating the plug base 20, the rotating base 30 is mounted in the annular mounting groove 41, and the other side of the rotating base fixing plate 40 is mounted with two sets of first hot plugs Core assembly 72.

Specifically, the upper end surface of the plug base 20 is provided with a partition 21, and one side of the partition 21 is provided with a slot 22 adapted to the annular mounting groove 41, and the partition 21 is spaced apart from the slot 22 by a plurality of slots 22 The connecting post 23 is provided with a second threaded hole 231. The outer peripheral portion of the rotating base fixing plate 40 is provided with a plurality of mounting portions 45 corresponding to the connecting post 23, and each mounting portion 45 is opened and second. The threaded hole 231 is adapted to the through hole 451, and the screw is sequentially fixedly connected to the connecting post 23 through the through hole 451 and the second threaded hole 231, so that the rotating base fixing plate 40 and the plug base 20 are fixedly connected.

Referring to FIG. 5 and FIG. 6, the partition plate 21 is further provided with two through holes 24 for mounting the two first live ferrule assemblies 72, and two corresponding covers 46 are protruded from the corresponding positions on the rotating base fixing plate 40. The inside of the sheath 46 is hollow, for the first firewire ferrule assembly 72 to pass through, the first firewire ferrule assembly 72 is provided with a bayonet slot, and the rotating base fixing plate 40 is provided with a corresponding card edge, which will be A live wire ferrule assembly 72 is fixed to the rotating base fixing plate 40. The upper side of the sheath 46 is provided with an arcuate notch 461 through which the screw is laterally inserted through the arcuate notch 461. The position of the first live ferrule assembly 72 is defined.

4, 6 and 9, a rotary latch 60 is mounted on the rotating base 30. One end of the rotary latch 60 is provided with a rotating block 64, and the inner side of the annular mounting groove 41 is provided with a facing arrangement. a card slot 42 and a second card slot (not shown), the rotating block 64 is placed in the first card slot 42 or the second card slot, and the angle between the first card slot 42 and the second card slot is 180. degree. A slideway 44 is disposed between the first card slot 42 and the second card slot. The slide rail 44 is disposed above the first card slot 42 and the second card slot, and the height of the slide channel 44 is greater than the thickness of the rotary block 64. The rotation of the slider block 64 between the first card slot 42 and the second card slot is achieved by the slide 44.

Preferably, a plurality of split card slots 43 are defined between the first card slot 42 and the second card slot. The width of the split card slot 43 is smaller than the width of the first card slot 42 and the second card slot. The width of the groove 43 is smaller than the width of the first card slot 42, so that during the rotation of the rotary block 64, accidental entry into the card slot 43 does not occur, resulting in an accident, which greatly improves safety. The arrangement of the split card slots 43 facilitates the formation of the intermediate slides 44 without complicating the molding of the mold. Of course, the split card slots 43 may not be provided.

When the rotary lock 60 switches the gear position, the rotary block 64 is switched from the first card slot 42 to the second card slot along the slide channel 44. The rotary latch 60 drives the industrial plug to switch between 3H and 6H by replacing the position of the first card slot 42 and the second card slot. In the present invention, when the rotating block 64 is located in two When the first card slot 42 is inside, the industrial plug is located in the 3H direction, and when the rotating block 64 is located in the two second card slots, the industrial plug is located in the 6H direction.

Also mounted on the rotating base 30 are a set of grounding ferrule assemblies 70 and a set of second live ferrule assemblies 71. The position of the grounding ferrule assembly 70 determines whether the industrial plug is located at 3H (3 o'clock direction) or 6H (6). Point clock direction).

7 and 9, in particular, the upper end surface of the rotating base 30 is spaced apart from the sheath 31 for mounting the ground ferrule assembly 70 and the second live ferrule assembly 71, respectively. Hollow, respectively, for the ground ferrule assembly 70 and the second live ferrule assembly 71 to pass through, the ground ferrule assembly 70 and the second live ferrule assembly 71 are respectively provided with bayonet slots, and the rotating base 30 is provided with corresponding The card rim, the ground ferrule assembly 70 and the second live ferrule assembly 71 are respectively fixed on the rotating base 30, and the upper side of the sheath 31 is provided with an arcuate notch 311, and the screws are transversely inserted through the arcuate notches 311, respectively. On the sides of the ground ferrule assembly 70 and the second live ferrule assembly 71, the locations of the ground ferrule assembly 70 and the second live ferrule assembly 71 are defined.

The two sheaths 31 are connected by a curved connecting seat 32. The curved connecting seat 32 is provided with a first threaded hole 321 through which the screw passes through the rotating base platen 50 and is screwed into the first threaded hole 321 to rotate the base platen 50. The fixing is such that the rotating base platen 50 and the rotating base 30 are detachably and fixedly connected.

A limiting slot 34 is defined between the two sheaths 31 to fit the braking block 65 at the lower end of the rotary latch 60. One side of the limiting slot 34 protrudes from the limiting post 33. A mounting hole 63 is defined in one side of the upper end surface of the rotary latch 60, and is mounted on the limiting post 33 through the mounting hole 63, that is, when the rotary latch 60 is mounted, the brake of the rotary latch 60 is fast. The brake block 65 can slide up and down along the limiting slot 34, and the brake block 65 is opened on the bottom surface of the brake block 65. After the special tool is inserted into the brake rotation groove, the rotary lock 60 can be jacked up and rotated.

8 and FIG. 9, the other side of the upper end surface of the rotary latch 60 protrudes from the first support post 62, and the inner side of the rotary base platen 50 protrudes downwardly from the second support post 51, the first support post 62 and The second support column 51 is provided with a compression spring 61. When the rotary lock 60 is pushed up to the rotational position, The compression spring 61 stores energy, and after being rotated into position, the compression spring 61 drives the rotary lock 60 to be reset under the action of the elastic potential energy.

During use, when it is required to shift the gear of the rotary latch 60, the brake rotation groove on the brake stopper 65 can be lifted up by the tool, and the brake stopper 65 can be rotated to rotate the one end of the rotary latch 60. The blocks 64 are respectively rotated from the first card slot 42 into the second card slot or from the second card slot into the first card slot 42. During the rotation of the rotary latch 60, the rotating base 30 drives the ground ferrule assembly 70 and the second live ferrule assembly 71 to rotate synchronously with the rotary latch 60 to realize the switching of the industrial plug in the 3H direction and the 6H direction. At the same time, the grounding ferrule assembly 70 is unlikely to stay in other positions, such as the 4h or 5h direction, effectively improving the function of preventing mis-insertion and high safety performance.

According to the present invention, the grounding ferrule assembly and the set of second live ferrule assemblies are mounted on the rotating base body, and the rotation of the rotating buckle is rotated 180 degrees to realize the switching of the plug between 3H and 6H. It is safe and reliable, simple in structure, easy to operate, and improves work efficiency.

The present invention is not limited to the above-described preferred embodiments, and any one skilled in the art should be aware of the structural changes made in the light of the present invention. Any technical solutions having the same or similar to the present invention fall within the protection scope of the present invention.

Claims

An industrial plug for a marine refrigerated container, comprising a plug base, a plug sealing sheath assembly and a ferrule rotating assembly, wherein the ferrule rotating assembly comprises:

The rotating base fixing plate is fixed on the plug base, and one side of the rotating base fixing plate has an annular mounting groove extending through the plug base, and the inner side of the annular mounting groove is directly spaced apart a first card slot and a second card slot are disposed, a slide rail is disposed between the first and second card slots, and two sets of first FireWire ferrule assemblies are mounted on the other side of the rotating base plate

a rotating base body mounted in the annular mounting groove, the rotating base body is mounted with a rotary latch, one end of the rotary latch is provided with a rotating block, and the rotating block is placed in the first card slot or In the second card slot, a set of ground ferrule assemblies and a second set of live ferrule assemblies are respectively mounted on the rotating base body.

Rotating the base platen to engage the upper end of the rotating base body,

Upturning and rotating the rotary latch, the rotary block is switched between the first card slot and the second card slot, the rotating base driving the ground ferrule assembly and the second The live wire ferrule assembly rotates synchronously with the rotary lock.
The industrial plug for a marine refrigerated container according to claim 1, wherein a plurality of divided card slots are disposed between the first card slot and the second card slot, and the split card is The width of the groove is smaller than the width of the first and second card slots.
The industrial plug for a marine refrigerated container according to claim 2, wherein the slide rail is disposed above the first card slot and the second card slot, and the height of the slide rail is greater than The thickness of the rotating block.
The industrial plug for a marine refrigerated container according to claim 1, wherein the upper end surface of the rotating base body is spaced apart from two by two for mounting the grounding ferrule assembly and the second live wire insert The sleeve of the core assembly is provided with a limiting slot adapted to the braking block at the lower end of the rotating latch, and one side of the limiting slot protrudes from the limiting post.
An industrial plug for a marine refrigerated container according to claim 4, wherein a mounting hole is formed on one side of the upper end surface of the rotary latch, and is mounted on the limiting post through the mounting hole, and the first supporting column protrudes from the other side of the upper end surface of the rotating latch The inner side surface of the rotating base platen protrudes downwardly from the second support column, and the first and second support columns are provided with a compression spring.
An industrial plug for a marine refrigerated container according to claim 4, wherein a brake rotation groove is formed on a bottom surface of said brake block.
An industrial plug for a marine refrigerated container according to claim 4, wherein the two sheaths are connected by an arc-shaped connecting seat, and the arc-shaped connecting seat is provided with a first threaded hole, and the screw is worn. The rotating base platen is fixed by screwing the rotary base platen into the first threaded hole.
The industrial plug for a marine refrigerated container according to claim 1, wherein the upper end surface of the plug base is provided with a partition, and one side of the partition is adapted to be compatible with the annular mounting groove. a slot, the partition is provided with a plurality of connecting posts around the slot, and the connecting post is provided with a second threaded hole, and the screw is inserted into the rotating base fixing plate and then screwed into the slot Inside the two threaded holes.
The industrial plug for a marine refrigerated container according to claim 8, wherein the outer periphery of the rotating base fixing plate is provided with a plurality of mounting portions corresponding to the connecting posts, and the mounting portion is opened. There is a perforation adapted to the second threaded hole, and the screw is fixedly connected to the connecting post after passing through the through hole and the second threaded hole in sequence.
An industrial plug for a marine refrigerated container according to claim 8, wherein said partition plate is further provided with two through holes for respectively mounting said two first live wire ferrule assemblies.