CN111313343A

CN111313343A - Outlet box and controller box

Info

Publication number: CN111313343A
Application number: CN202010151948.2A
Authority: CN
Inventors: 谭财胜; 焦雷
Original assignee: Guangdong Bozhilin Robot Co Ltd
Current assignee: Guangdong Bozhilin Robot Co Ltd
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-06-19

Abstract

The invention provides an outlet box and a controller box, and relates to the field of construction machinery. The outlet box comprises a box body and a locking mechanism, wherein the locking mechanism comprises a fixing piece, is arranged at the outlet of the box body and is fixed in the box body; the first end of the movable strip is fixed on the fixing piece, the second end of the movable strip can slide in a single direction relative to the fixing piece to form a locking ring for binding the cable, and when external force acts on the movable strip, the width of the locking ring can only be reduced to lock the cable. The controller box provided by the invention comprises the outlet box. The cable is locked through the locking ring that sets up the only ability to reduce to the outlet box for the cable can receive stable pressure, fixes the cable on the box body steadily, and when the cable atress, locking mechanism can prevent that the cable from removing relative outlet box, avoids taking place to remove between cable and the outlet box and produces the friction and destroy outlet box's leakproofness.

Description

Outlet box and controller box

Technical Field

The invention relates to the technical field of construction machinery, in particular to an outlet box and a controller box.

Background

A lot of current electrical equipment need utilize cable external power source, and the cable of traditional electrical apparatus goes out the line and adopts the outlet box to realize, through sealed the pad in the outlet box realize the cable inside with outside between sealed, however, electrical apparatus can drive the cable when removing, therefore can make the cable atress, the cable can move relative outlet box, and sealed the pressure of applying to the cable is very little, can't prevent the relative outlet box of cable and remove and the problem of the sealed inefficacy that causes.

Disclosure of Invention

The invention aims to provide an outlet box and a controller box, which can prevent cables from moving relative to the outlet box, so that the sealing performance of the outlet box is improved.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention provides an outlet box, which comprises a box body and a locking mechanism, wherein the locking mechanism comprises:

the fixing piece is arranged at the outlet of the box body and fixed in the box body;

the first end of the movable strip is fixed on the fixing piece, the second end of the movable strip can slide in a single direction relative to the fixing piece to form a locking ring for binding the cable, and when external force acts on the movable strip, the diameter of the locking ring can only be reduced to lock the cable.

Preferably, a locking groove is formed in the inner wall of the outlet box, and the fixing piece is fixed in the locking groove.

Preferably, a fixing part opening is formed in the fixing part, the second end of the movable strip can slide along the fixing part opening, a clamping block is arranged in the fixing part opening, a plurality of locking blocks are arranged on the movable strip and arranged along the length direction of the movable strip, and the clamping block abuts against one of the locking blocks to limit the movable strip to move towards the direction withdrawing from the fixing part opening.

Preferably, one end of the latch is fixed to an inner wall of the fixing member opening, and the other end extends toward a center of the fixing member opening, and the latch is inclined toward the center of the fixing member opening from an inlet of the fixing member opening to an outlet of the fixing member.

Preferably, the locking block is disposed inside the movable bar.

Preferably, the number of the fixed parts and the number of the movable strips are more than two, the fixed parts and the movable strips are the same in number, the movable strips and the fixed parts are alternately arranged, the first ends of the movable strips are fixed on one adjacent fixed part, and the second ends of the movable strips are connected with the other adjacent fixed part in a one-way sliding manner.

Preferably, the outlet box further comprises a sealing ring, and the sealing ring is installed at the outlet of the box body.

Preferably, a sealing groove is formed in the outlet, the sealing ring is matched with the sealing groove, and the cable can penetrate through the sealing groove.

Preferably, the outlet box structure further comprises a sealant, and the sealant is arranged at the outlet and used for plugging a gap between the cable and the outlet.

The invention also provides an outlet box, which comprises the outlet box.

The invention has the beneficial effects that:

the invention provides an outlet box which comprises a box body and a locking mechanism, wherein the locking mechanism comprises a fixing piece and a movable strip, the fixing piece is arranged at an outlet of the box body and fixed in the box body, a first end of the movable strip is fixed on the fixing piece, a second end of the movable strip can slide in a single direction relative to the fixing piece to form a locking ring for binding a cable, when the locking ring acts on the movable strip, the diameter of the locking ring can only be reduced but cannot be enlarged, so that the cable can be stably fixed on the box body under the action of stable pressure, when the cable is stressed, the locking mechanism can prevent the cable from moving relative to the outlet box, and the situation that the sealing performance of the outlet box is damaged due to friction caused by movement between the cable and.

Drawings

Fig. 1 is a schematic structural diagram of an outlet box fixed to an electrical appliance housing according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of an outlet box secured to an electrical housing in accordance with one embodiment of the present invention;

FIG. 3 is an enlarged view at A in FIG. 2;

fig. 4 is a schematic view of the outlet box according to the first embodiment of the present invention after being connected to a cable (after the upper cover is removed);

FIG. 5 is a block diagram of a locking mechanism provided in accordance with one embodiment of the present invention;

fig. 6 is an exploded view of an outlet box (with the seal ring, locking mechanism and sealant removed) provided in accordance with one embodiment of the present invention;

FIG. 7 is a block diagram of a seal ring according to one embodiment of the present invention;

fig. 8 is a structural diagram of a locking mechanism according to a second embodiment of the present invention.

In the figure:

1. a housing;

2. an outlet box; 21. a box body; 211. an outlet; 212. an outlet; 22. a locking groove; 221. a first slot wall; 222. a second slot wall; 23. a sealing groove; 24. an upper cover; 241. screw holes;

3. a cable;

4. a seal ring;

5. sealing glue;

6. a locking mechanism; 61. a fixing member; 611. opening a hole in the fixing piece; 612. a clamping block; 62. a movable bar; 621. a locking block; 622. a second end.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.

Example one

Referring to fig. 1-5, in one aspect, the present invention provides an outlet box, which includes a box body 2 and a locking mechanism 6, where the locking mechanism 6 includes a fixed member 61 and a movable bar 62. The fixing member 61 is provided at the outlet 211 of the case body 2 and fixed in the case body 2. The first end of the movable strip 62 is fixed on the fixing member 61, and the second end 622 of the movable strip 62 can slide unidirectionally relative to the fixing member 61 to form a locking ring for binding the cable 3, and when an external force is applied to the movable strip 62, the diameter of the locking ring can only be reduced to lock the cable 3. Because the diameter of the locking ring can only be reduced and cannot be enlarged, stable pressure can be applied to the cable 3, the cable 3 is prevented from loosening from the locking ring, the cable 3 is prevented from moving relative to the outlet box, and the sealing performance of the outlet box is improved.

Referring to fig. 1, 4, 5 and 6, preferably, a locking groove 22 is formed on an inner wall of the outlet 211 of the box body 2, and the fixing member 61 is fixed in the locking groove 22. By arranging the locking groove 22 and arranging the fixing piece 61 in the locking groove 22, on one hand, the fixing piece 61 can be made to avoid the cable 3, so that the cable 3 can smoothly pass through the outlet 211 of the box body 2; on the other hand, when the fixing member 61 is subjected to a force, the groove wall of the locking groove 22 can define the position of the fixing member 61, further preventing the fixing member 61 from moving. Specifically, the locking groove 22 includes a first groove wall 221 and a second groove wall 222 that are oppositely disposed, the first groove wall 221 is disposed at a position distant from the outlet 212 of the case 2, and the second groove wall 222 is disposed at a position close to the outlet 212 of the case 2. When the cable 3 is pulled in the direction shown in fig. 2, the fixing member 61 is pulled in the direction approaching the exit 212 of the box 2 and acts on the second groove wall 222, and at this time, the second groove wall 222 acts against the fixing member 61 to prevent the fixing member 61 from moving toward the exit 212. When the cable 3 is pulled in the direction shown in fig. 2, the fixing member 61 is pushed in the direction approaching the center of the box 2 and acts on the first groove wall 221, and at this time, the first groove wall 221 acts against the fixing member 61 to prevent the fixing member 61 from moving in the direction approaching the center of the box 2.

Preferably, the fixing member 61 is provided with a fixing member opening 611, the second end 622 of the movable bar 62 can slide along the fixing member opening 611, a fixture block 612 is disposed in the fixing member opening 611, the movable bar 62 is provided with a plurality of locking blocks 621, the plurality of locking blocks 621 are disposed along the length direction of the movable bar 62, and the fixture block 612 abuts against one of the locking blocks 621 to limit the movable bar 62 from moving through the fixing member opening 611 toward the direction of exiting from the fixing member opening 611, so that the locking ring can be continuously reduced to lock the cable 3.

Preferably, one end of the latch 612 is fixed to an inner wall of the fixing member opening 611, and the other end extends toward the center of the fixing member opening 611, and the latch 612 is inclined toward the center of the fixing member opening 611 from an inlet of the fixing member opening 611 to an outlet of the fixing member 61. Specifically, when the locking mechanism 6 is used, the movable bar 62 is wound around the cable 3, the second end 622 of the movable bar 62 is then inserted through the fixing member opening 611, and then the second end 622 is pulled, so that the locking block 621 can slide along the latch 612 to press the latch 612 and cross the latch 612, and after the locking block 621 crosses the latch 612, the latch 612 resets and abuts against the locking block 621 to prevent the locking block 621 from backing up, so that the locking ring can only be continuously shrunk, and the cable 3 can be fixed on the locking mechanism 6 by applying pressure on the cable 3. Of course, in other embodiments, the second end 622 of the movable strip 62 may first pass through the fixing member opening 611 to form a locking ring, and when the locking mechanism 6 is used, the cable 3 may pass through the locking ring, and then the second end 622 is pulled to shrink the locking ring, so as to fix the cable 3.

Preferably, the locking block 621 is disposed inside the movable bar 62. The plurality of locking blocks 621 are disposed inside the movable strip 62, and when the cable 3 is locked by the locking ring, the plurality of locking blocks 621 can press the cable 3 to increase the static friction force between the movable strip 62 and the cable 3, thereby further improving the stability of locking the cable 3.

Preferably, the locking blocks 621 are provided on the movable bar 62 along the length direction of the movable bar 62, so that the locking ring can be gradually reduced by a predetermined amount to lock cables 3 of different diameters.

Referring to fig. 3, 6 and 7, preferably, the outlet box further includes a sealing ring 4, and the sealing ring 4 is installed at the outlet 211 of the box body 2. The sealing ring 4 is provided at the outlet 211, thereby improving the sealing performance of the cartridge 2.

Preferably, outlet 211 department is provided with seal groove 23, and in the periphery embedding seal groove 23 of sealing washer 4, the center of sealing washer is provided with the through wires hole, and cable 3 passes from the through wires hole, just laminates with the through wires hole. Specifically, the middle part of the peripheral side of the sealing ring 4 is provided with a groove 41, one side wall of the groove 41 abuts against the sealing layer 23, and the other side wall of the groove 41 abuts against the outer side of the box body 2, so that the sealing effect of the sealing ring 4 is further improved, the force for compressing the cable 3 is improved, and the cable 3 is further prevented from sliding relative to the outlet box.

Preferably, referring to fig. 3 and fig. 6, the outlet box structure further includes a sealant 5, the sealant 5 is disposed at the outlet 211 and is used for plugging a gap between the cable 3 and the outlet 211, and the sealant 5 is disposed and can effectively plug the gap between the cable 3 and the outlet 211, so as to solve the problem that the sealing ring 4 cannot plug a fine gap between the cable 3 and the outlet 211, and further improve the sealing effect of the box body 2.

Referring to fig. 4 and 6, the outlet box preferably includes a top cover 24 and a box body 21. During the use, can dismantle upper cover 24 and box body 21, lock on box body 21 through sealing washer 4 and locking mechanism 6 to cable 3, then pull out cable 3 from outlet 211, close upper cover 24 again, fix upper cover 24 on box body 21, reuse sealed glue 5 shutoff cable 3 and outlet 211 between the clearance, the installation of the cable 3 of being convenient for.

Preferably, in this embodiment, the upper cover 24 and the box body 21 are fixed by screws, and specifically, a plurality of corresponding screw holes 241 may be opened on the upper cover 24 and the box body 21, and then a plurality of screws are used for locking.

Example two

Referring to fig. 8, the difference between the second embodiment and the first embodiment is: the number of the fixed parts 61 is two, the movable strips 62 and the fixed parts 61 are alternately arranged, the first end of each movable strip 62 is fixed on one adjacent fixed part 61, and the second end 622 of each movable strip 62 is connected with the other adjacent fixed part 61 in a one-way sliding mode. Pulling movable strip 62 respectively can take up the check lock circle in two directions to in applying more even pressure to cable 3, thereby further improve the stability of cable 3. Of course, in other embodiments, the number of the fixed members 61 and the movable strips 62 may be more than three for the cable 3 with a larger diameter, and the number of the fixed members 61 and the movable strips 62 is the same, so as to apply uniform pressure to the cable 3 and improve the stability of the cable 3.

The controller box comprises the outlet box and is good in sealing performance. When the outlet box is used, the box body 2 is arranged on the shell 1 of the corresponding electric appliance, and the electric wire of the electric appliance is externally connected with a power supply through the box body 2.

Preferably, the housing 1 is a housing of a motor of the electric appliance, and an electric wire of the motor is externally connected with a power supply through the box body 2.

The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.

Claims

1. An outlet box, characterized in that, includes box body (2) and locking mechanism (6), locking mechanism (6) include:

the fixing piece (61) is arranged at the outlet (211) of the box body (2) and is fixed in the box body (2);

the first end of the movable strip (62) is fixed on the fixing piece (61), the second end (622) of the movable strip (62) can slide in one direction relative to the fixing piece (61) to form a locking ring for binding the cable (3), and when external force acts on the movable strip (62), the diameter of the locking ring can only be reduced to lock the cable (3).

2. The outlet box according to claim 1, characterized in that the inner wall of the outlet (211) of the box body (2) is provided with a locking groove (22), and the fixing member (61) is fixed in the locking groove (22).

3. The outlet box according to claim 2, wherein the fixing member (61) is provided with a fixing member opening (611), the second end (622) of the movable bar (62) can slide along the fixing member opening (611), a locking block (612) is arranged in the fixing member opening (611), the movable bar (62) is provided with a plurality of locking blocks (621), the plurality of locking blocks (621) are arranged along the length direction of the movable bar (62), and the locking block (612) abuts against one of the locking blocks (621) to limit the movable bar (62) from moving in a direction of exiting the fixing member opening (611).

4. The outlet box as claimed in claim 3, wherein one end of said latch (612) is fixed to the inner wall of said fixture opening (611) and the other end extends toward the center of said fixture opening (611), and said latch (612) is inclined toward the center near said fixture opening (611) from the entrance of said fixture opening (611) to the exit of said fixture (61).

5. Outlet box according to claim 3, characterised in that the locking block (621) is arranged inside the movable bar (62).

6. The outlet box according to any of the claims 1 to 5, characterized in that the number of said fixed members (61) and said movable strips (62) is more than two, and the number of said fixed members (61) and said movable strips (62) is the same, said movable strips (62) and said fixed members (61) are arranged alternately, and the first end of said movable strip (62) is fixed on the adjacent one of said fixed members (61), and the second end (622) of said movable strip 62 is connected with the adjacent other of said fixed members (61) in a one-way sliding manner.

7. Outlet box according to any of claims 1-5, characterized in that it further comprises a sealing ring (4), said sealing ring (4) being mounted at the outlet (211) of the box body (2).

8. The outlet box of claim 7, characterized in that a sealing groove (23) is arranged at the outlet (211), the periphery of the sealing ring (4) is embedded in the sealing groove (23), a threading hole is arranged at the center of the sealing ring (4), and the cable (3) passes through the threading hole and is attached to the threading hole.

9. The outlet box according to any of claims 1-5, characterized in that the outlet box structure further comprises a sealant (5), the sealant (5) is disposed at the outlet (211) for sealing the gap between the cable (3) and the outlet (211).

10. A controller box comprising an outlet box according to any one of claims 1 to 9.