CN116572187B - Terminal box internal stay anchor clamps - Google Patents
Terminal box internal stay anchor clamps Download PDFInfo
- Publication number
- CN116572187B CN116572187B CN202310843087.8A CN202310843087A CN116572187B CN 116572187 B CN116572187 B CN 116572187B CN 202310843087 A CN202310843087 A CN 202310843087A CN 116572187 B CN116572187 B CN 116572187B
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- rod
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- pressing piece
- elastic pressing
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- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 230000004224 protection Effects 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 54
- 238000005192 partition Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 3
- 238000005266 casting Methods 0.000 description 9
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910001037 White iron Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009979 protective mechanism Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
The invention relates to the technical field of junction boxes, in particular to an inner supporting clamp of a junction box, which comprises a protection mechanism, a line supporting structure arranged on the protection mechanism and a junction mechanism arranged in the protection mechanism, wherein the protection mechanism comprises a base. The combined end rod can be combined with the inclined rod to reversely push the telescopic sub rod in the auxiliary pressing piece to lift upwards along with the lifting and descending of the vertical frame, the bottom of the wire can be initially lifted and pressed, after the external tightening component is inserted and fixed at the outer end of the shaft sleeve, the supporting rod and the guide rod pushed by the transverse rod can push the main pressing piece to press and clamp the top of the wire, and the combined main pressing piece and the clamping head at the top of the telescopic sub rod can circumferentially fix the wire, so that the inner cavity of the base and the wire outside can be effectively ensured to be tightly supported by double inner supports, and the problem that the wire stress presses the inner assembly of the junction box during the wire arrangement of a concealed pipe can be effectively avoided.
Description
Technical Field
The invention relates to the technical field of junction boxes, in particular to an inner supporting clamp of a junction box.
Background
The junction box is one of electrical auxiliary materials for protecting and connecting wires in house decoration. The wire for decoration passes through the wire tube, and the junction part (such as a longer wire or a corner of the wire tube) of the wire is generally transited by adopting a junction box, and the junction box is usually made of a box cover, a box body, a junction terminal, a diode, a connecting wire and a connector, and is generally made of PVC and white iron box materials.
At present, the junction box is mostly assembled in a prefabricated hole of a wall body, when an electrician utilizes a steel wire to arrange the wire along a PVC concealed pipe, the wire end reserved at the junction box part needs to be preassembled, along with the extension of the steel wire, the pressing delivery of the wire in the PVC concealed pipe can cause great traction force to the wire end at the junction box part, the junction box internal structure is fragile, and once the wire is pressed too much, the traction force generated by the wire fixed in the junction box can lead to deformation or damage of an internal component of the junction box.
Aiming at the assembly of the layout wires and the junction box in the concealed pipe, how to improve the anti-tearing force between the reinforced junction box and the wires in the reserved holes of the wall body and avoid the damage to the internal components of the junction box caused by the continuous compression of the wires is the technical difficulty to be solved by the invention.
Disclosure of Invention
The present invention aims to solve one of the technical problems existing in the prior art or related technologies.
The technical scheme adopted by the invention is as follows:
the inner supporting clamp for the junction box comprises a protection mechanism, a line tightening structure arranged on the protection mechanism and a wiring mechanism arranged in the protection mechanism, wherein the protection mechanism comprises a base, two auxiliary elastic pressing pieces arranged on one side outside the base, two main elastic pressing pieces arranged on the other side outside the base, a beam rod connected with the two adjacent main elastic pressing pieces, a sealing top plate movably arranged on the beam rod, two cross rods arranged on the inner wall of the base, a plurality of elastic telescopic pieces uniformly arranged on the two cross rods and distributed in an array, and a plurality of partition plates arranged on the inner wall of the base by bolts, the line tightening structure comprises a shaft sleeve arranged in an external transverse hole of a base, an external tightening component inserted in the outer end of the shaft sleeve, a brace rod arranged on an inner side transverse rod of the external tightening component, a guide rod movably arranged at the top end of the brace rod, a main pressing piece movably connected to the bottom end of the guide rod, an auxiliary pressing piece arranged at the bottom of an inner cavity of the base, two inclined rods movably arranged on the auxiliary pressing piece, an end rod connected to the outer end of the inclined rod and a vertical frame connected to the other end of the end rod, the vertical frame is vertically arranged in the inner cavity of the base, the external tightening component comprises an outer clip, springs connected to the top and bottom of the outer clip, a hidden clip arranged in the outer clip by utilizing a tension spring, a sealing gasket connected to an inner side annular groove of the outer clip and two clamping pieces movably arranged in two vertical grooves outside the outer clip, and the wiring mechanism comprises a positioning bolt arranged at the bottom of the inner cavity of the base, an insulating shell matched with the positioning bolt, two protection outer plates respectively arranged at two sides of the insulating shell, and a conductive gasket arranged in two adjacent insulating shells, and the sleeve is arranged at the top of the insulating shell, and the pressurizing screw is in threaded connection with the sleeve.
The present invention may be further configured in a preferred example to: the bottom of the inner cavity of the base is provided with cylindrical holes and rectangular slotted holes distributed in an array mode respectively, and the end head of the bottom end of the vertical frame is inserted into the rectangular slotted holes in an adaptive mode.
Through adopting above-mentioned technical scheme, utilize to install supplementary casting die and vertical frame respectively in the cylindricality hole and the rectangle slotted hole of base inner chamber bottom, after sealed roof receives the depression, a plurality of vertical frames just can descend downwards, and then just can promote end pole and diagonal bar reverse extension, and the whole operation that alright for vertical frame and supplementary casting die of base this moment provides sufficient support.
The present invention may be further configured in a preferred example to: the auxiliary elastic pressing piece and the main elastic pressing piece are respectively composed of a rectangular outer tube, an L-shaped guide rod and a first pressure spring, and the top end of an L-shaped guide tube in the main elastic pressing piece is provided with a shaft head clamped on a beam rod.
Through adopting above-mentioned technical scheme, utilize and install the rectangle outer tube in vice elasticity casting die and the main elasticity casting die respectively in the outside both sides of base, the L shape guide arm and the movable assembly of beam pole to the anchor clamps on the sealed roof in the adjacent two main elasticity casting die of cooperation, after sealed roof is outwards withdrawn from the base inside, the sealed roof alright outwards turn on one's side along the beam pole to the convenience is follow-up electrician to the switching operation of wire.
The present invention may be further configured in a preferred example to: the sealing top plate is made of thickened PVC plates, and two clamps are arranged on one side, close to the main elastic pressing piece, of the top of the sealing top plate.
Through adopting above-mentioned technical scheme, utilize the elasticity compaction of guide arm to sealing roof top opposite side in the two vice elastic pressing piece, after sealing roof grafting at base top notch, by the pressure centre gripping effect of two vice elastic pressing pieces and two main elastic pressing piece inner guide arm down this moment, sealing roof alright continuously press from both sides tightly in the base to continuously exert pressure downwards to a plurality of vertical frames.
The present invention may be further configured in a preferred example to: the elastic expansion piece consists of a main pipe, a second pressure spring and a Y-shaped sub-rod.
Through adopting above-mentioned technical scheme, utilize to install the female pipe in the shrinkage pool of horizontal pole, cooperate the elastic support of second pressure spring to Y font son pole, install two adjacent elastic expansion pieces on two horizontal poles this moment alright carry out elasticity to vaulting pole and guide arm after connecting to guarantee that sealed roof withdraws back auxiliary casting die interior flexible son pole and main casting die can follow the wire and separate fast.
The present invention may be further configured in a preferred example to: the inner part of the shaft sleeve, which is close to one end of the outer clip, is provided with a jack which is adapted to the end head of the outer end of the hidden button, and the outer end of the shaft sleeve is provided with an annular notch which is inserted into the sealing gasket.
Through adopting above-mentioned technical scheme, utilize the grafting of two hidden buckles to the axle sleeve jacks of movable mounting in outer clip, sealing washer alright sealing clamping is between axle sleeve and outer clip this moment, and axle sleeve and external tightening assembly after the equipment wholly alright with exposing the part of base outside wire waterproof centre gripping protection this moment.
The present invention may be further configured in a preferred example to: the whole clamping piece is of a half-round tubular structure, and one end of the clamping piece, which is close to the outer clip, is provided with a T-shaped sliding block.
Through adopting above-mentioned technical scheme, utilize with two clamping pieces respectively movable mounting in two perpendicular grooves of outer clip outer end, cooperate two springs to the elasticity centre gripping of two clamping piece inner T font sliders to can effectively ensure that the wire runs through to the outside position of axle sleeve and obtain the protection centre gripping.
The present invention may be further configured in a preferred example to: the auxiliary pressing piece consists of a cylindrical vertical pipe and a telescopic sub-rod, and two clamping pieces which are symmetrically distributed are arranged on two sides of the telescopic sub-rod.
Through adopting above-mentioned technical scheme, utilize to install the bottom at the base inner chamber with the bottom of cylindricality standpipe, when the vertical frame pressurized downwardly extending, the vertical frame just can promote end pole and diagonal bar outwards extension, and then can reverse promotion telescopic sub-pole and its both sides clamping piece upwards lift to this ensures that the chuck cooperation main casting die on telescopic sub-pole top is propped fixedly in the opposite directions of wire.
The present invention may be further configured in a preferred example to: the bottom of the vertical frame is provided with a U-shaped clamping plate, and the inner wall of the U-shaped clamping plate is provided with a sliding rail for guiding the top rod to insert the rod.
Through adopting above-mentioned technical scheme, with the outer end movable mounting of end pole in the U-shaped splint of vertical frame bottom, along with the continuous atress of vertical frame descends after, the end pole just can promote the diagonal bar and extend, when vertical frame does not have external force to exert pressure, the extension spring in the interior column standpipe of supplementary casting die just can drive flexible sub-pole and resume initial condition to this ensures the quick replacement of follow-up wire.
By adopting the technical scheme, the beneficial effects obtained by the invention are as follows:
1. according to the invention, two auxiliary elastic pressing pieces and main elastic pressing pieces which are symmetrically distributed are arranged on two sides of the base, the sealing top plate is connected with guide rods in the two adjacent main elastic pressing pieces by matching with the beam rods, then a plurality of vertical frames which are distributed in an array are inserted in the inner cavity of the base, a plurality of auxiliary pressing pieces which can bear the bottoms of the wires are arranged at the bottom of the inner cavity of the base, the combined end rods and the inclined rods are movably connected, along with lifting and descending of the vertical frames, the combined end rods can reversely push telescopic sub-rods in the auxiliary pressing pieces to lift upwards by combining the inclined rods, at the moment, the bottoms of the wires can be primarily lifted and pressed, after the external tightening assembly is inserted and fixed at the outer end of the shaft sleeve, the support rods and the guide rods which are pushed by the cross rods can push the main pressing pieces to press and clamp the tops of the wires, at the moment, the combined main pressing pieces and the clamping heads at the top ends of the telescopic sub-rods can circumferentially fix the wires, and accordingly, the inner cavity of the base and the external wires can be effectively ensured to be doubly inwards supported and tightened, and the problem of the wire connection caused by the wire connection of the concealed wire can be effectively avoided.
2. According to the invention, two auxiliary elastic pressing pieces and two main elastic pressing pieces are respectively arranged on two sides of the base, at the moment, two clamps at the top of the sealing top plate are positioned and clamped by the guide rods in the two main elastic pressing pieces in combination with the beam rods, the guide rods in the two auxiliary elastic pressing pieces press and clamp against the other side of the top of the sealing top plate, when the sealing top plate descends along the notch at the top of the base, the sealing top plate can press downwards against a plurality of vertical frames, at the moment, the bottom ends of the vertical frames can reversely push the auxiliary pressing pieces and the diagonal rods to extend outwards, at the moment, the partition plates fixed on the inner wall of the base by utilizing bolts can provide guidance against the lifting of the pressurizing screw rods, and at the same time, two transverse rods arranged in the base can cooperate with a plurality of groups of elastic expansion pieces which extend elastically to limit and restrain the supporting rods and the guide rods, so that the compression strength of each component in the device can be effectively improved.
Drawings
FIG. 1 is a schematic illustration of the present invention in use;
FIG. 2 is a schematic view of a protection mechanism according to the present invention;
FIG. 3 is an enlarged schematic view of the invention at A;
FIG. 4 is an internal schematic view of the guard mechanism of the present invention;
FIG. 5 is a schematic view of a wiring mechanism of the present invention;
FIG. 6 is a schematic bottom view of the line tightening structure of the present invention;
FIG. 7 is a schematic view of a rail and spacer of the present invention;
FIG. 8 is an enlarged schematic view of the invention at B;
FIG. 9 is a schematic view of a line tightening structure of the present invention;
fig. 10 is an enlarged schematic view of the present invention at C.
Reference numerals:
100. a protective mechanism; 110. a base; 120. a sub elastic pressing member; 130. a main elastic pressing member; 140. a beam; 150. sealing the top plate; 160. a cross bar; 170. a partition plate; 180. an elastic expansion piece;
200. a line tightening structure; 210. a shaft sleeve; 220. an external tightening assembly; 221. an outer clip; 222. a spring; 223. a hidden button; 224. a sealing gasket; 225. a clamping piece; 230. a brace rod; 240. a guide rod; 250. a main pressing member; 260. an auxiliary pressing member; 270. a diagonal rod; 280. an end rod; 290. a vertical frame;
300. a wiring mechanism; 310. an insulating housing; 320. positioning bolts; 330. a conductive pad; 340. a sleeve; 350. a booster screw; 360. and (5) protecting the outer plate.
Detailed Description
The objects, technical solutions and advantages of the present invention will become more apparent by the following detailed description of the present invention with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present invention and features in the embodiments may be combined with each other.
It is to be understood that this description is merely exemplary in nature and is not intended to limit the scope of the present invention.
A terminal box inner stay fixture according to some embodiments of the present invention is described below with reference to the accompanying drawings.
Embodiment one:
referring to fig. 1 to 10, the present invention provides an internal support fixture for a junction box, which includes a protection mechanism 100, a line tightening structure 200 installed on the protection mechanism 100, and a wiring mechanism 300 installed in the protection mechanism 100.
The shielding mechanism 100 includes a base 110, a secondary spring press 120, a primary spring press 130, a beam 140, a sealing top plate 150, a cross bar 160, a spacer 170, and a spring telescoping member 180, the line tightening structure 200 includes a sleeve 210, an external tightening assembly 220, a brace 230, a guide 240, a primary press 250, an auxiliary press 260, a diagonal 270, an end bar 280, and a vertical 290, and the external tightening assembly 220 further includes an external clip 221, a spring 222, a snap 223, a sealing gasket 224, and a clip 225, and the wiring mechanism 300 includes an insulating housing 310, a set screw 320, a conductive gasket 330, a sleeve 340, a booster screw 350, and a shielding outer plate 360.
Specifically, two auxiliary elastic pressing members 120 are installed at one side of the outside of the base 110, two main elastic pressing members 130 are installed at the other side of the outside of the base 110, a beam 140 is connected to two adjacent main elastic pressing members 130, a sealing top plate 150 is movably installed on the beam 140, two cross bars 160 are installed on the inner wall of the base 110, a plurality of elastic telescopic members 180 distributed in an array are uniformly installed on the two cross bars 160, a plurality of partition plates 170 are installed on the inner wall of the base 110 by bolts, a shaft sleeve 210 is installed in a cross hole of the outside of the base 110, an external tightening assembly 220 is inserted at the outer end of the shaft sleeve 210, a stay bar 230 is installed on the cross bar at the inner side of the external tightening assembly 220, a guide bar 240 is movably installed at the top end of the stay bar 230, a main pressing member 250 is movably connected to the bottom end of the guide bar 240, an auxiliary pressing member 260 is installed at the bottom of the inner cavity of the base 110, the two diagonal rods 270 are movably mounted on the auxiliary pressing member 260, the end rods 280 are connected to the outer ends of the diagonal rods 270, the vertical frames 290 are connected to the other ends of the end rods 280, the vertical frames 290 are vertically positioned in the inner cavities of the base 110, the two springs 222 are respectively connected in the two cavities at the top and the bottom of the outer clamping buckle 221, the hidden buckle 223 is mounted in the outer clamping buckle 221 by using tension springs, the sealing gasket 224 is connected in the annular groove at the inner side of the outer clamping buckle 221, the two clamping pieces 225 are movably mounted in the two vertical grooves at the outer side of the outer clamping buckle 221, the positioning bolts 320 are mounted on the bottom of the inner cavity of the base 110, the insulating shells 310 are mounted on the positioning bolts 320 in cooperation with nuts, the two protective outer plates 360 are respectively mounted on two sides of the insulating shells 310, the conductive gaskets 330 are mounted in the adjacent two insulating shells 310, the sleeve 340 is mounted on the top of the insulating shells 310, and the pressurizing screw 350 is in the sleeve 340 in a threaded manner.
The two clamps at the top of the sealing top plate 150 are positioned and clamped by combining the beam rods 140 by using the guide rods in the two main elastic pressing members 130, the guide rods in the two auxiliary elastic pressing members 120 are pressed and clamped against the other side of the top of the sealing top plate 150, when the sealing top plate 150 falls down along the notch at the top of the base 110, the sealing top plate 150 can be pressed downwards against the plurality of vertical frames 290, the bottom ends of the vertical frames 290 can reversely push the auxiliary pressing members 260 and the inclined rods 270 to extend outwards, the partition plates 170 fixed on the inner wall of the base 110 by using bolts can provide guidance against the lifting of the pressurizing screw rods 350, the two cross rods 160 arranged in the base 110 can cooperate with a plurality of groups of elastic expansion members 180 which elastically extend to limit and restrain the supporting rods 230 and the guide rods 240, and a plurality of auxiliary pressing members 260 capable of bearing the bottoms of wires are arranged at the bottom of the inner cavity of the base 110, in combination with the movable connection of the combined end rod 280 and the inclined rod 270, along with the lifting and lowering of the vertical frame 290, the combined end rod 280 can be combined with the inclined rod 270 to reversely push the telescopic sub rod in the auxiliary pressing piece 260 to lift upwards, the bottom of the wire can be initially lifted and pressed, after the external tightening component 220 is inserted and fixed at the outer end of the shaft sleeve 210, the supporting rod 230 and the guide rod 240 pushed by the cross rod can push the main pressing piece 250 to press and clamp the top of the wire, and at the moment, the combined main pressing piece 250 and the clamping head at the top of the telescopic sub rod can circumferentially fix the wire, so that double internal supporting tightening of the inner cavity of the base 110 and the outer wire can be effectively ensured, and the problem that the wire stress presses the inner component of the junction box during the wiring of a concealed pipe can be effectively avoided.
Embodiment two:
referring to fig. 2 and 9, on the basis of the first embodiment, the bottom of the inner cavity of the base 110 is provided with cylindrical holes and rectangular slots distributed in an array, the end of the bottom end of the vertical frame 290 is inserted into the rectangular slots, the auxiliary elastic pressing member 120 and the main elastic pressing member 130 are respectively composed of a rectangular outer tube, an L-shaped guide rod and a first pressure spring, and the top end of the L-shaped guide tube in the main elastic pressing member 130 is provided with a shaft head clamped on the beam 140.
By installing the auxiliary pressing member 260 and the vertical frames 290 in the cylindrical holes and the rectangular slots at the bottom of the inner cavity of the base 110 respectively, after the sealing top plate 150 is pressed down, the plurality of vertical frames 290 can drop downwards, and then the end rod 280 and the inclined rod 270 can be pushed to extend reversely, the base 110 integrally can provide enough support for the operation of the vertical frames 290 and the auxiliary pressing member 260, and the L-shaped guide rods in the two adjacent main elastic pressing members 130 and the movable assembly of the beam rods 140 on the clamping devices on the sealing top plate 150 are matched, when the sealing top plate 150 is withdrawn outwards from the inside of the base 110, the sealing top plate 150 can be turned over outwards along the beam rods 140, so that the follow-up electrician can conveniently transfer the wires.
Embodiment two:
referring to fig. 2 and 8, on the basis of the first embodiment, the sealing top plate 150 is made of thickened PVC plate, and two clamps are installed on the top of the sealing top plate 150 near to the side of the main elastic pressing member 130, and the elastic expansion member 180 is composed of a main pipe, a second compression spring and a Y-shaped sub-rod.
The other side of the top of the sealing top plate 150 is elastically pressed by the guide rods in the two auxiliary elastic pressing members 120, when the sealing top plate 150 is inserted into the notch at the top of the base 110, the sealing top plate 150 can be continuously clamped in the base 110 under the clamping action of the pressure of the guide rods in the two auxiliary elastic pressing members 120 and the two main elastic pressing members 130, the plurality of vertical frames 290 are continuously pressed downwards, the Y-shaped sub-rods are elastically supported by matching with the second pressure springs, and the connected stay bars 230 and the guide rods 240 can be elastically pressed by two adjacent elastic telescopic members 180 arranged on the two transverse rods 160, so that the telescopic sub-rods in the auxiliary pressing members 260 and the main pressing members 250 can be rapidly separated from the lead wires after the sealing top plate 150 is removed.
Embodiment four:
referring to fig. 9 and 10, in the first embodiment, a jack adapted to the end of the outer end of the hidden button 223 is provided in the inner portion of the end of the sleeve 210 near the outer clip 221, an annular slot inserted in the sealing washer 224 is provided in the outer end of the sleeve 210, the whole of the clamping piece 225 is in a half-round tubular structure, and a T-shaped slider is mounted at the end of the clamping piece 225 near the outer clip 221.
The sealing gasket 224 can be clamped between the shaft sleeve 210 and the outer clamping buckle 221 in a sealing manner by utilizing the insertion of the two hidden buckles 223 in the outer clamping buckle 221 to the jack of the shaft sleeve 210, the assembled shaft sleeve 210 and the external tightening assembly 220 can wholly carry out waterproof clamping protection on the part of the external lead exposed out of the base 110, meanwhile, the two clamping pieces 225 are respectively and movably arranged in the two vertical grooves at the outer end of the outer clamping buckle 221, and the two springs 222 are matched for elastically clamping the T-shaped sliding blocks at the inner ends of the two clamping pieces 225, so that the part of the lead penetrating to the outside of the shaft sleeve 210 can be effectively ensured to be clamped in a protection manner.
Fifth embodiment:
referring to fig. 2 and 9, on the basis of the first embodiment, the auxiliary pressing member 260 is composed of a cylindrical vertical tube and a telescopic sub-rod, two clamping pieces symmetrically distributed are installed on two sides of the telescopic sub-rod, a U-shaped clamping plate is installed at the bottom of the vertical frame 290, and a sliding rail for inserting a rod at the top end of the guide end rod 280 is provided on the inner wall of the U-shaped clamping plate.
By installing the bottom of the cylindrical vertical tube at the bottom of the inner cavity of the base 110, when the vertical tube 290 is pressed to extend downwards, the vertical tube 290 pushes the end rod 280 and the inclined rod 270 to extend outwards, and then the telescopic sub-rod and clamping pieces on two sides of the telescopic sub-rod are pushed upwards, so that the clamping head at the top end of the telescopic sub-rod is matched with the main pressing piece 250 to fix the inner support of the wire, the outer end of the end rod 280 is movably installed in the U-shaped clamping plate at the bottom end of the vertical tube 290, after the vertical tube 290 is continuously pressed downwards, the end rod 280 pushes the inclined rod 270 to extend, and when the vertical tube 290 is not pressed by external force, the tension spring in the cylindrical vertical tube in the auxiliary pressing piece 260 drives the telescopic sub-rod to restore to the initial state, so that the subsequent wire is replaced quickly.
The working principle and the using flow of the invention are as follows: two hidden buttons 223 are respectively installed in concave holes at the top and the bottom of the outer clip 221 by two tension springs in advance, two springs 222 are installed in two vertical grooves at the outer wall of the outer clip 221, at this time, the sliding blocks at the inner ends of two clamping pieces 225 are respectively inserted into the two vertical grooves, the other ends of the two springs 222 are respectively connected with the sliding blocks at the inner ends of two clamping pieces 225, the outer clip 221 is connected with the brace 230 by a pull rod, the brace 230 is connected with the main pressing piece 250 by a guide rod 240, a plurality of partition plates 170 are uniformly installed on the inner wall of the base 110 by a plurality of bolts, at this time, the outer sides of the combined pressurizing screw 350 are attached to the inner sides of the partition plates 170, then the bottom of the auxiliary pressing piece 260 is installed in a cylindrical hole at the bottom of the inner cavity of the base 110, next two adjacent vertical frames 290 are connected with the auxiliary pressing piece 260 by two diagonal rods 270 and two end rods 280, at this time, two adjacent vertical frames 290 are vertically located in the inner cavity of the base 110, the bottom ends of the vertical frames 290 are inserted into rectangular holes at the bottom of the inner cavity of the base 110, then a plurality of combined elastic telescopic members 180 are uniformly installed on two transverse cross bars 160, at this time, two adjacent elastic telescopic members 180 installed on two cross bars 160 can respectively press against the inner walls and the outer walls of the guide bars 240 and the supporting bars 230, two ends of the two cross bars 160 are respectively installed on two side walls of the inner cavity of the base 110, at this time, a plurality of partition plates 170 distributed in an array can limit lifting and descending of the main pressing member 250, at this time, semicircular chucks in the main pressing member 250 and the auxiliary pressing member 260 can clamp an insulation layer outside the wire harness, then conductive gaskets 330 are installed in two insulation shells 310, then two protection outer plates 360 are respectively installed on two sides of the insulation shells 310, then the sleeve 340 is installed in the vertical hole at the top of the insulating shell 310, the pressurizing screw 350 is installed in the sleeve 340 in a threaded manner, then the combined insulating shell 310 is integrally fixed at the bottom of the inner cavity of the base 110 by utilizing the positioning bolt 320, a plurality of combined wiring mechanisms 300 are distributed in the middle of the inner cavity of the base 110 side by side at this time, then two auxiliary elastic pressing pieces 120 and two main elastic pressing pieces 130 are respectively installed at two sides of the base 110, then the two clamping pieces 225 are adjusted to expand outwards, then the wires are inserted along the inner cavity of the outer clamping piece 221 until the exposed core wires in the wires penetrate through the inner cavity of the insulating shell 310, then the pressurizing screw 350 is adjusted to clamp and fix the exposed core wires with gaskets at the two ends of the top of the conductive gasket 330, after the wires are tightened, as the sealing top plate 150 is restored to the initial state and inserted into the notch at the top of the base 110, at this time, the two guide rods 140 in the inner cavity of the two main elastic pressing pieces 130 are matched with the two clamps at the top of the sealing top plate 150 to suspend and clamp, the sealing top plate 150 is matched with the rectangular groove 110, then the guide rods 150 are inserted into the rectangular groove at the top, the two auxiliary elastic pressing pieces 150 are pushed down, the two guide rods 150 are pushed down and the two elastic pressing pieces 150 are pushed down to tightly press the two elastic pressing pieces 150 to the top plate 150 up against the top of the sealing top plate 150, the sealing top plate 150 is tightly matched with the two elastic pressing pieces 150, the two elastic pressing pieces 150 are pushed down the sealing pieces 150 are pushed down tightly, and the sealing top 150 are pushed down to the top 150, the sealing top 150 are tightly pressed down and the sealing top 150 are pressed down, and the sealing top 150 are pressed down, and the sealing rod is pressed down, at this time, the wires penetrate to the inner cavity of the base 110 to be clamped and fixed by the inner support.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (8)
1. The inner supporting clamp for the junction box is characterized by comprising a protection mechanism (100), a circuit supporting structure (200) arranged on the protection mechanism (100) and a wiring mechanism (300) arranged in the protection mechanism (100);
the protection mechanism (100) comprises a base (110), two auxiliary elastic pressing pieces (120) arranged on one side of the outer part of the base (110), two main elastic pressing pieces (130) arranged on the other side of the outer part of the base (110), a beam (140) connected to the two adjacent main elastic pressing pieces (130), a sealing top plate (150) movably arranged on the beam (140), two cross bars (160) arranged on the inner wall of the base (110), a plurality of elastic expansion pieces (180) uniformly arranged on the two cross bars (160) and distributed in an array, and a plurality of partition plates (170) arranged on the inner wall of the base (110) by bolts;
the line tightening structure (200) comprises a shaft sleeve (210) arranged in an external transverse hole of the base (110), an external tightening component (220) inserted at the outer end of the shaft sleeve (210), a supporting rod (230) arranged on a transverse rod at the inner side of the external tightening component (220), a guide rod (240) movably arranged at the top end of the supporting rod (230), a main pressing piece (250) movably connected with the bottom end of the guide rod (240), an auxiliary pressing piece (260) arranged at the bottom of an inner cavity of the base (110), two inclined rods (270) movably arranged on the auxiliary pressing piece (260), an end rod (280) connected with the outer end of the inclined rods (270) and a vertical frame (290) connected with the other end of the end rod (280), wherein the vertical frame (290) is vertically arranged in the inner cavity of the base (110);
the external tightening assembly (220) comprises an outer clip (221), springs (222) connected in two cavities at the top and the bottom of the outer clip (221), a hidden buckle (223) arranged in the outer clip (221) by a tension spring, a sealing gasket (224) connected in an annular groove at the inner side of the outer clip (221) and two clamping pieces (225) movably arranged in two vertical grooves at the outer side of the outer clip (221);
the wiring mechanism (300) comprises a positioning bolt (320) arranged on the bottom of an inner cavity of the base (110), an insulating shell (310) arranged on the positioning bolt (320) in a matched mode, two protection outer plates (360) respectively arranged on two sides of the insulating shell (310), a conductive gasket (330) arranged in two adjacent insulating shells (310), a sleeve (340) arranged on the top of the insulating shell (310) and a pressurizing screw (350) in the sleeve (340) in a threaded mode.
2. The terminal box inner supporting clamp according to claim 1, wherein the bottom of the inner cavity of the base (110) is provided with cylindrical holes and rectangular slots distributed in an array, and the end heads of the bottom ends of the vertical frames (290) are inserted into the rectangular slots in an adapting manner.
3. The terminal box inner supporting clamp according to claim 1, wherein the auxiliary elastic pressing piece (120) and the main elastic pressing piece (130) are respectively composed of a rectangular outer tube, an L-shaped guide rod and a first pressure spring, and a shaft head clamped on the beam rod (140) is arranged at the top end of the L-shaped guide tube in the main elastic pressing piece (130).
4. The terminal box inner support clamp according to claim 1, wherein the sealing top plate (150) is made of thickened PVC plate material, and two clamps are installed on one side of the top of the sealing top plate (150) close to the main elastic pressing member (130);
the elastic telescopic piece (180) is composed of a main pipe, a second pressure spring and a Y-shaped sub-rod.
5. The terminal box inner supporting clamp according to claim 1, wherein a jack adapted to the outer end of the hidden button (223) is formed in the interior of one end, close to the outer clip (221), of the shaft sleeve (210), and an annular notch inserted into the sealing gasket (224) is formed in the outer end of the shaft sleeve (210).
6. The terminal box inner support clamp according to claim 1, wherein the clamping piece (225) is integrally of a half-round tubular structure, and a T-shaped sliding block is mounted at one end of the clamping piece (225) close to the outer clamping buckle (221).
7. The terminal box inner support clamp according to claim 1, wherein the auxiliary pressing piece (260) is composed of a cylindrical vertical pipe and a telescopic sub-rod, and two clamping pieces which are symmetrically distributed are arranged on two sides of the telescopic sub-rod.
8. The terminal box inner support clamp according to claim 1, wherein a U-shaped clamping plate is mounted at the bottom of the vertical frame (290), and a sliding rail for guiding a top inserting rod of the end rod (280) is arranged on the inner wall of the U-shaped clamping plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202310843087.8A CN116572187B (en) | 2023-07-11 | 2023-07-11 | Terminal box internal stay anchor clamps |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310843087.8A CN116572187B (en) | 2023-07-11 | 2023-07-11 | Terminal box internal stay anchor clamps |
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| Publication Number | Publication Date |
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| CN116572187A CN116572187A (en) | 2023-08-11 |
| CN116572187B true CN116572187B (en) | 2023-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310843087.8A Active CN116572187B (en) | 2023-07-11 | 2023-07-11 | Terminal box internal stay anchor clamps |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116979394B (en) * | 2023-09-21 | 2023-12-12 | 溧阳市盛力橡塑制品有限公司 | Cold-proof electric energy meter shell component |
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| CN116572187A (en) | 2023-08-11 |
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