CN215007643U - Wire and cable convenient and rapid to assemble and connect - Google Patents

Abstract

The utility model discloses a make things convenient for electric wire and cable of quick built-up connection relates to cable technical field, including core conductor, fire-retardant insulating layer and the muscle body, the front bezel is installed to the one end of fire-retardant insulating layer, and annular equidistant three through-hole of having seted up all around of front bezel one end intermediate position department, the one end that the front bezel was kept away from to fire-retardant insulating layer is installed the back plate, fixed knot constructs and sets up in the surface of back plate and front bezel, the muscle body is installed to the intermediate position department of the adjacent one end of front bezel and back plate, the equidistant setting in the surface of the muscle body of compressive structures annular. The utility model discloses a be provided with fixed knot and construct, the one end that is close to the back plate with the cable is laminated mutually with the one end that another cable is close to the front bezel, utilizes the screw bolt to pass the jack and gets into thread groove department and screw up, realizes the quick assembly of two cables and connects to realize the cable extension, improve the practicality of cable.

Description

Wire and cable convenient and rapid to assemble and connect

Technical Field

The utility model relates to the technical field of cables, specifically be a make things convenient for electric wire and cable of quick aggregate connection.

Background

The electric wire and cable is a wire product used for transmitting electric (magnetic) energy and information and realizing electromagnetic energy conversion, is usually called as a cable for short, has the characteristics of internal electrification and external insulation, has various types, is widely applied to various industries, and has certain defects in the existing electric wire and cable.

Through retrieval, chinese patent No. CN209297809U, publication No. 2019, 8.23.2019, discloses a cable convenient for connection, and it is proposed that "an inner thread 9 is provided on an inner wall of the fixing sleeve 12, the inner thread 9 is in threaded connection with an outer thread 8 provided on an outer side of the other end of the cable body", and the provision of the thread makes the cable in a rotational connection, which may cause the cutting portion to be unable to be just clamped into the cutting portion of the other end of the cable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a make things convenient for fast assembly and connect's wire and cable to solve the inconvenient fast assembly and connect's that proposes in the above-mentioned background art problem.

In order to achieve the above object, the utility model provides a following technical scheme: a wire and cable convenient and rapid to assemble and connect comprises a core conductor, a flame-retardant insulating layer and a rib body, wherein a front plate is installed at one end of the flame-retardant insulating layer, three through holes are annularly and equidistantly formed in the periphery of the middle position of one end of the front plate, a rear plate is installed at one end, away from the front plate, of the flame-retardant insulating layer, and a fixing structure is arranged on the surfaces of the rear plate and the front plate;

a rib body is arranged in the middle of one adjacent end of the front plate and the rear plate, and the compression-resistant structures are annularly and equidistantly arranged on the surface of the rib body;

the utility model discloses a fire-retardant insulation layer's surface protection structure, including front bezel, back plate, fixed orifices, metal pole, protective structure, protection structure, the annular is equidistant around being provided with core conductor of front bezel and the adjacent one end intermediate position department of back plate, and core conductor is close to the intermediate position department of front bezel one end and has seted up the fixed orifices, the intermediate position department of the core conductor other end installs the metal pole that runs through the back plate, protective structure sets up in fire-retardant insulation layer's surface.

Preferably, fixed knot constructs including preceding solid fixed ring, preceding solid fixed ring sets up in the outside of front bezel, and preceding solid fixed ring keeps away from all around annular equidistant four slots of having seted up of fire-retardant insulating layer one end, the thread groove has been seted up to the inside one end of slot, preceding solid fixed ring's surface annular equidistant running through has the screw bolt that extends to the thread inslot portion, the surface mounting of back bezel has the solid fixed ring after, and the solid fixed ring after keeps away from all around annular equidistant installation of fire-retardant insulating layer one end and has the inserted block, the jack has been seted up to the one end of inserted block.

Preferably, compressive structures is including connecting block rubber, down rod, connecting rod, loop bar and elastic rubber piece, the loop bar annular equidistant setting is on the surface of the muscle body, and the inside one end of loop bar installs elastic rubber piece, elastic rubber piece's one end install with the inside both sides sliding connection's of loop bar connecting rod, and the both sides of connecting rod all install two down rods, the connecting rod is kept away from the one end of the muscle body and is installed the connecting block rubber that is connected with fire-retardant insulating layer inner wall.

Preferably, the protective structure comprises flame-retardant strips, an outer insulating layer and a dry powder cavity, the flame-retardant strips are annularly and equidistantly arranged on the surface of the flame-retardant insulating layer, the outer insulating layer is arranged at one end, away from the flame-retardant insulating layer, of each flame-retardant strip, and the dry powder cavity is arranged between the outer insulating layer and the flame-retardant insulating layer.

Preferably, the coating area of the slot is larger than the cross-sectional area of one end of the insert block, and the length of the slot is equal to that of the insert block.

Preferably, the threaded bolt penetrates through the inside of the slot, and the diameter of one end of the threaded bolt is smaller than the inner diameter of the insertion hole.

Preferably, the seal groove has been seted up to the one end annular that fire-retardant insulating layer was kept away from to the front bezel, the rubber circle is installed to the one end annular that fire-retardant insulating layer was kept away from to the back plate, and the inner diameter and the external diameter of rubber circle equal with the seal groove.

Compared with the prior art, the utility model provides a pair of make things convenient for fast assembly to connect's wire and cable has following beneficial effect:

1. the utility model provides a threaded bolt, the inserted block, the jack, the rubber circle, the back plate, the front bezel, seal groove and thread groove, utilize the rotation of threaded bolt to take off the threaded bolt first, the one end that is close to the back plate with another cable is close to the one end of front bezel mutually and laminates, the leakproofness that can improve the junction in the seal groove is gone into to the rubber circle card, improve water-proof effects, the frictional force that rubber circle and seal groove produced makes two cables difficult separation simultaneously, be convenient for carry out the operation of cable junction, the inserted block inserts corresponding seal groove when front bezel and back plate are laminated, insert the screw bolt back to the normal position, the screw bolt passes the jack and gets into the thread groove and screws up, realize the cable extension, thereby the inconvenient problem of quick combination connection has been solved;

2. the utility model provides a connecting rubber block, the down-link, the connecting rod, the loop bar, elastic rubber block and fire-retardant insulating layer, utilize the elastic deformation of connecting rubber block to eliminate the external extrusion force that some cables received, external force can be extruded the connecting rod to the direction of loop bar when great, realize buffer function through elastic deformation of elastic rubber block, the down-link can extrude the filler inside the fire-retardant insulating layer in the process of moving along with the connecting rod simultaneously, the filler can produce opposite effort and eliminate stress, thereby improve the overall toughness of cable, the life of extension cable, thereby the easy deformation of cable or even cracked problem has been solved;

3. the utility model provides a there is fire-retardant strip, the outer insulation layer, the dry powder chamber, core conductor and fire-retardant insulating layer, utilize the outer insulation layer to receive the principle that high temperature can melt or be burnt by the fire, make the dry powder of dry powder intracavity portion packing scatter out and put out less fire source around the cable, if the intensity of a fire is great can't be put out by the dry powder, expose outside this moment, fire-retardant strip made by the magnesium hydroxide material is heated and begins to decompose, the decomposition can produce the magnesium oxide solid adhesion that fire resistance is good on fire-retardant insulating layer surface, prevent that the cable from being burnt, fire-retardant strip decomposition in-process can absorb a large amount of heats simultaneously, and the water thermal evaporation that fire-retardant strip decomposes the production also can absorb a large amount of heats, the inside temperature of cable has effectively been reduced, prevent that the cable from receiving the inside core conductor of high temperature influence to be damaged, thereby the poor problem of cable flame retardant efficiency has been solved.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic side view of the cross-sectional structure of the present invention;

fig. 3 is a schematic view of a partial front sectional structure of the present invention;

fig. 4 is a schematic rear view sectional structure of the present invention;

FIG. 5 is a schematic view of a front cross-sectional structure of the anti-compression structure of the present invention;

fig. 6 is an enlarged schematic view of a portion a of fig. 2 according to the present invention.

In the figure: 1. a rear fixing ring; 2. a compression resistant structure; 201. connecting a rubber block; 202. reversing the rod; 203. a connecting rod; 204. a loop bar; 205. an elastic rubber block; 3. a protective structure; 301. a flame retardant strip; 302. an outer insulating layer; 303. a dry powder chamber; 4. a core conductor; 5. a flame retardant insulating layer; 6. a tendon body; 7. a slot; 8. a threaded bolt; 9. inserting a block; 10. a jack; 11. a rubber ring; 12. a metal rod; 13. a back plate; 14. a front plate; 15. a through hole; 16. a fixing hole; 17. a sealing groove; 18. a front retaining ring; 19. a thread groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-6, a wire and cable convenient and fast to assemble and connect comprises a core conductor 4, a flame-retardant insulating layer 5 and a rib body 6, wherein a front plate 14 is installed at one end of the flame-retardant insulating layer 5, three through holes 15 are annularly and equidistantly formed in the periphery of the middle position of one end of the front plate 14, a rear plate 13 is installed at one end, away from the front plate 14, of the flame-retardant insulating layer 5, and a fixing structure is arranged on the surfaces of the rear plate 13 and the front plate 14;

the middle position of one end of the front plate 14 adjacent to the rear plate 13 is provided with a rib body 6, and the compression-resistant structures 2 are annularly and equally spaced on the surface of the rib body 6;

the periphery of the middle position of one adjacent end of the front plate 14 and the rear plate 13 is annularly provided with core conductors 4 at equal intervals, the middle position of one end of the core conductor 4 close to the front plate 14 is provided with a fixing hole 16, the middle position of the other end of the core conductor 4 is provided with a metal rod 12 penetrating through the rear plate 13, and the protective structure 3 is arranged on the surface of the flame-retardant insulating layer 5;

a sealing groove 17 is annularly formed in one end, away from the flame-retardant insulating layer 5, of the front plate 14, a rubber ring 11 is annularly arranged in one end, away from the flame-retardant insulating layer 5, of the rear plate 13, and the inner diameter and the outer diameter of the rubber ring 11 are equal to those of the sealing groove 17;

referring to fig. 1-6, the electric wire and cable convenient and fast to assemble and connect further comprises a fixing structure, the fixing structure comprises a front fixing ring 18, the front fixing ring 18 is arranged on the outer side of a front plate 14, four slots 7 are formed in the periphery of one end, far away from a flame-retardant insulating layer 5, of the front fixing ring 18 at equal intervals, a thread groove 19 is formed in one end inside the slot 7, threaded bolts 8 extending into the thread groove 19 penetrate through the surface of the front fixing ring 18 at equal intervals in a ring shape, a rear fixing ring 1 is mounted on the surface of a rear plate 13, inserting blocks 9 are mounted in the periphery of one end, far away from the flame-retardant insulating layer 5, of the rear fixing ring 1 at equal intervals in a ring shape, and inserting holes 10 are formed in one end of the inserting blocks 9;

the coating area of the slot 7 is larger than the cross section area of one end of the insert block 9, and the length of the slot 7 is equal to that of the insert block 9;

the threaded bolt 8 penetrates through the inside of the slot 7, and the diameter of one end of the threaded bolt 8 is smaller than the inner diameter of the jack 10;

specifically, as shown in fig. 2, 3, 4 and 6, when cables need to be connected, the threaded bolt 8 is rotated to take down, one end of a cable close to the back plate 13 is attached to one end of another cable close to the front plate 14, the metal rod 12 passes through the corresponding through hole 15 and is inserted into the fixing hole 16 to realize connection of the core conductor 4, the rubber ring 11 is clamped into the sealing groove 17 to improve the sealing performance of the connection, the waterproof effect is improved, meanwhile, friction force generated by the rubber ring 11 and the sealing groove 17 makes the two cables not easy to separate, cable connection operation is facilitated, the plug block 9 is inserted into the corresponding sealing groove 17 when the front plate 14 and the back plate 13 are attached, the threaded bolt 8 is inserted back, the threaded bolt 8 passes through the insertion hole 10 and enters the threaded groove 19 to be screwed, quick combination connection of the two cables is realized, cable extension is realized, and the practicability of the cables is improved.

Example 2: the compression-resistant structure 2 comprises connecting rubber blocks 201, inverted rods 202, connecting rods 203, sleeve rods 204 and elastic rubber blocks 205, wherein the sleeve rods 204 are annularly and equidistantly arranged on the surface of the rib body 6, the elastic rubber blocks 205 are arranged at one ends inside the sleeve rods 204, the connecting rods 203 which are slidably connected with two sides inside the sleeve rods 204 are arranged at one ends of the elastic rubber blocks 205, the two inverted rods 202 are arranged on two sides of each connecting rod 203, and the connecting rubber blocks 201 which are connected with the inner wall of the flame-retardant insulating layer 5 are arranged at one ends, far away from the rib body 6, of the connecting rods 203;

specifically, as shown in fig. 1, fig. 2 and fig. 5, when the cable receives external force extrusion in the use process, eliminate a part of pressure through the elastic deformation of connecting rubber block 201, external force can extrude connecting rod 203 to the direction of loop bar 204 when great, the buffer function is realized through the elastic deformation of elastic rubber block 205, the filler inside fire-retardant insulating layer 5 can be extruded along with the in-process that connecting rod 203 removed to the pole 202 that falls simultaneously, the filler can produce opposite effort and come the elimination stress, thereby improve the whole toughness of cable, prolong the life of cable.

Example 3: the protective structure 3 comprises flame-retardant strips 301, an outer insulating layer 302 and a dry powder cavity 303, wherein the flame-retardant strips 301 are annularly and equidistantly arranged on the surface of the flame-retardant insulating layer 5, the outer insulating layer 302 is arranged at one end, away from the flame-retardant insulating layer 5, of the flame-retardant strips 301, and the dry powder cavity 303 is arranged between the outer insulating layer 302 and the flame-retardant insulating layer 5;

specifically, as shown in fig. 1 and 2, when a fire occurs at the cable, the outer insulating layer 302 is melted by high temperature or burned, the dry powder filled in the dry powder cavity 303 can be scattered to extinguish a smaller fire source around the cable, if the fire is large, the fire can not be extinguished by the dry powder, the flame retardant strip 301 exposed outside at this time is heated and starts to decompose, magnesium oxide solid with good fire resistance can be generated by decomposition and adheres to the surface of the flame retardant insulating layer 5, so as to prevent the cable from being burned, meanwhile, the flame retardant strip 301 can absorb a large amount of heat in the decomposition process, and water generated by decomposition of the flame retardant strip 301 can also absorb a large amount of heat by heating and evaporation, thereby effectively reducing the temperature inside the cable, and preventing the cable from being damaged by the core conductor 4 inside due to the influence of high temperature.

The working principle is as follows: when the device is used, firstly, when cable connection is needed;

the first innovation point implementation step:

the first step is as follows: rotating and taking down the threaded bolt 8 to attach one end of one cable close to the rear plate 13 to one end of the other cable close to the front plate 14;

the second step is that: the metal rods 12 respectively penetrate through the corresponding through holes 15 and are inserted into the fixing holes 16 to realize the connection of the core conductors 4, the rubber ring 11 is clamped into the sealing groove 17, the sealing performance of the connection position can be improved, the waterproof effect is improved, and meanwhile, the friction force generated by the rubber ring 11 and the sealing groove 17 enables the two cables not to be easily separated, so that the operation of cable connection is facilitated;

the third step: when the front plate 14 and the rear plate 13 are attached, the inserting block 9 is inserted into the corresponding sealing groove 17, the thread bolt 8 is inserted back to the original position, the thread bolt 8 penetrates through the inserting hole 10 to enter the thread groove 19 to be screwed down, and the quick combination connection of two cables is realized, so that the extension of the cables is realized, and the practicability of the cables is improved.

The implementation step of the second innovation point:

the first step is as follows: when the cable is extruded by external force in the using process, a part of pressure is eliminated through the elastic deformation of the connecting rubber block 201;

the second step is that: when the external force is large, the connecting rod 203 is extruded towards the direction of the loop bar 204, and the buffer function is realized through the elastic deformation of the elastic rubber block 205;

the third step: the process that the down bar 202 moves along with the connecting rod 203 can extrude the filler in the flame-retardant insulating layer 5, the filler can generate opposite acting force to eliminate stress, the overall toughness of the cable can be improved through the connecting rubber block 201, the down bar 202 and the elastic rubber block 205, and the service life of the cable is prolonged.

The third innovation point implementation step:

the first step is as follows: when a fire disaster happens to the cable, the outer insulating layer 302 is melted by high temperature or burnt by fire, and dry powder filled in the dry powder cavity 303 can scatter out to extinguish a smaller fire source around the cable;

the second step is that: if the fire is large and can not be extinguished by dry powder, the flame-retardant strip 301 which is exposed outside and made of magnesium hydroxide material is heated and begins to decompose, and magnesium oxide solid with good fire resistance is generated by decomposition and is adhered to the surface of the flame-retardant insulating layer 5, so that the cable is prevented from being burnt;

the third step: the fire-retardant strip 301 decomposes the in-process and can absorb a large amount of heats, and the evaporation of being heated of the water that fire-retardant strip 301 decomposes the production also can absorb a large amount of heats, has effectively reduced the inside temperature of cable, prevents that the cable from receiving inside core conductor 4 of high temperature influence to be damaged.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a wire and cable of convenient quick combination connection, includes core conductor (4), fire-retardant insulating layer (5) and muscle body (6), its characterized in that: the cable is characterized by also comprising a compression-resistant structure (2) for improving the toughness of the cable, a protective structure (3) for protecting the cable and a fixing structure convenient for quick connection;

a front plate (14) is installed at one end of the flame-retardant insulating layer (5), three through holes (15) are annularly and equidistantly formed in the periphery of the middle position of one end of the front plate (14), a rear plate (13) is installed at one end, far away from the front plate (14), of the flame-retardant insulating layer (5), and the fixing structure is arranged on the surfaces of the rear plate (13) and the front plate (14);

a rib body (6) is arranged in the middle of one end of the front plate (14) adjacent to one end of the rear plate (13), and the compression-resistant structures (2) are annularly arranged on the surface of the rib body (6) at equal intervals;

the utility model discloses a flame-retardant insulation layer, including front bezel (14) and back plate (13), the annular equidistant core conductor (4) that is provided with all around of the adjacent one end intermediate position department of front bezel (14) and back plate (13), and core conductor (4) are close to the intermediate position department of front bezel (14) one end and have seted up fixed orifices (16), the intermediate position department of the core conductor (4) other end installs metal pole (12) that run through back plate (13), protective structure (3) set up in the surface of flame-retardant insulating layer (5).

2. The electric wire and cable convenient for quick combination and connection as claimed in claim 1, wherein: fixed knot constructs including preceding solid fixed ring (18), preceding solid fixed ring (18) set up in the outside of front bezel (14), and preceding solid fixed ring (18) keep away from all around the annular equidistant four slots (7) of fire-retardant insulating layer (5) one end, thread groove (19) have been seted up to the inside one end of slot (7), the surface annular equidistant of preceding solid fixed ring (18) has the screw bolt (8) that extend to thread groove (19) inside, the surface mounting of back plate (13) has back fixed ring (1), and the annular equidistant all around of fire-retardant insulating layer (5) one end is kept away from in back fixed ring (1) installs inserted block (9), jack (10) have been seted up to the one end of inserted block (9).

3. The electric wire and cable convenient for quick combination and connection as claimed in claim 1, wherein: resistance to compression structure (2) is including connecting block rubber (201), down pole (202), connecting rod (203), loop bar (204) and elastic rubber piece (205), loop bar (204) annular equidistant sets up in the surface of the muscle body (6), and the inside one end of loop bar (204) installs elastic rubber piece (205), the one end of elastic rubber piece (205) install with loop bar (204) inside both sides sliding connection's connecting rod (203), and the both sides of connecting rod (203) all install two down poles (202), the one end that the muscle body (6) was kept away from in connecting rod (203) is installed and is connected block rubber (201) that is connected with flame-retardant insulating layer (5) inner wall.

4. The electric wire and cable convenient for quick combination and connection as claimed in claim 1, wherein: protective structure (3) are including fire-retardant strip (301), outer insulating layer (302) and dry powder chamber (303), fire-retardant strip (301) annular equidistant sets up in the surface of fire-retardant insulating layer (5), and fire-retardant strip (301) keep away from the one end of fire-retardant insulating layer (5) and be provided with outer insulating layer (302), be provided with dry powder chamber (303) between outer insulating layer (302) and fire-retardant insulating layer (5).

5. The electric wire and cable convenient for quick combination and connection as claimed in claim 2, wherein: the coating area of the slot (7) is larger than the cross sectional area of one end of the insert block (9), and the length of the slot (7) is equal to that of the insert block (9).

6. The electric wire and cable convenient for quick combination and connection as claimed in claim 2, wherein: the threaded bolt (8) penetrates through the inside of the slot (7), and the diameter of one end of the threaded bolt (8) is smaller than the inner diameter of the insertion hole (10).

7. The electric wire and cable convenient for quick combination and connection as claimed in claim 1, wherein: seal groove (17) have been seted up to the one end annular of keeping away from fire-retardant insulating layer (5) in front bezel (14), rubber circle (11) are installed to the one end annular of keeping away from fire-retardant insulating layer (5) in back plate (13), and the internal diameter and the external diameter of rubber circle (11) are equal with seal groove (17).

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