CN209896925U

CN209896925U - Can receive line type dc-to-ac converter

Info

Publication number: CN209896925U
Application number: CN201920939298.0U
Authority: CN
Inventors: 孙志利
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-01-03
Anticipated expiration: 2029-06-21

Abstract

The utility model discloses a wire-retractable inverter, which belongs to the field of inverters and comprises an outer shell, wherein the rear side inside the outer shell is provided with an open slot, the front end of the inner side surface of the open slot is provided with a mounting groove, the center of the inner side surface of the open slot is connected with a take-up pulley in a rotating way through a rotating shaft, the outer surface of the take-up pulley is connected with the inner side surface of the open slot in a rotating way, a clockwork spring is fixedly arranged on the front side of the outer surface of the rotating shaft, the other end of the clockwork spring is fixedly connected with the inner side surface of the mounting groove, the inside of the rotating shaft is provided with a hollow hole, the two ends inside the hollow hole are respectively and fixedly connected with a first conducting rod and a second conducting rod, the upper surfaces of the first conducting rod and the second conducting rod are both fixedly connected, the safety and the high efficiency are ensured.

Description

Can receive line type dc-to-ac converter

Technical Field

The utility model relates to an inverter field, more specifically say, relate to a can receive line type dc-to-ac converter.

Background

The inverter can convert DC electric energy into AC electric energy and consists of inverter bridge, control logic and filter circuit. Connecting the household appliance to the output of the power converter enables the use of a variety of appliances in the vehicle.

However, the existing inverter has some disadvantages in practical use, such as the need for a practical wire connection circuit during connection, and the need for a longer wire is generally reserved for the convenience of connection, the existing structure is inconvenient for accommodating and storing the wire, and is easy to be messy and practical, and some wires cannot be reset and accommodated when being wound by an externally arranged roller, and the wire needs to rotate along with the roller after being wound, so that the outer structure is accommodated again, the structure at the inner side is easy to be pulled, the connection is dropped, the stability is poor, and the practical effect is not ideal,

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, an object of the utility model is to provide a can receive line type dc-to-ac converter, connect the take-up pulley through inside rotation in the housing, combine end connection's clockwork spring, can twine and accomodate the electric wire, can curl the winding automatically after launching simultaneously, it is stable high-efficient, it is exactly through rotating the connecting wire piece in the take-up pulley inside to have again, combine the second conducting rod on surface, can connect the electric wire and carry out the circuit intercommunication, can not interfere the rotation simultaneously and break away from, guarantee the security, it is exactly through limiting plate and spacing barrel structure to have again, can push up tightly the take-up pulley spacing, avoid rotating at will, thus can improve practical convenience and stability greatly, guarantee safe high efficiency.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A wire-retractable inverter comprises an outer shell, wherein an open slot is formed in the rear side inside the outer shell, a mounting groove is formed in the front end of the inner side surface of the open slot, a wire take-up pulley is rotatably connected to the center of the inner side surface of the open slot through a rotating shaft, the outer surface of the wire take-up pulley is rotatably connected to the inner side surface of the open slot, a clockwork spring is fixedly mounted on the front side of the outer surface of the rotating shaft, the other end of the clockwork spring is fixedly connected to the inner side surface of the mounting groove, a hollow hole is formed in the rotating shaft, a first conducting rod and a second conducting rod are fixedly connected to two ends inside the hollow hole respectively, the upper surfaces of the first conducting rod and the second conducting rod are fixedly connected to two sides of the inner surface of the wire take-up pulley, a first wire is, the surface of hollow conducting ring rotates to be connected in the inboard surface in hollow hole, the inside fixedly connected with second wire of shell body, the rear side surface of second wire passes through the conducting block and rotates to be connected in the inboard surface in hollow hole.

Further, the rear end surface of open slot is equipped with the operation groove, the rear side surface fixedly connected with limiting plate of axis of rotation, the surface of limiting plate rotates the inboard surface of connecting in the operation groove, through at axis of rotation end connection limiting plate, can carry out spacingly, avoids rotating at will, safety and stability.

Further, the fixed adhesion of rear side surface of limiting plate has a spacing rubber pad, the surface sliding connection of limiting plate has a spacing section of thick bamboo, the surface threaded connection of a spacing section of thick bamboo is in the inboard surface of operation groove, through cup jointing a spacing section of thick bamboo in the limiting plate outside, and then conveniently connects the location, does benefit to the operation.

Furthermore, the friction plate is arranged at the front end of the inner side surface of the limiting cylinder, the outer surface of the friction plate is inserted into the outer surface of the limiting rubber pad, the cross-shaped operation protrusion is arranged on the rear side of the outer surface of the limiting cylinder, the friction plate inside the limiting cylinder is inserted and limited, stable connection can be achieved, limitation is guaranteed, and convenience and stability are achieved.

Furthermore, the outer surface of the hollow conducting ring is connected to the inner side surface of the first conducting rod in a sliding mode, the outer surface of the conducting block is connected to the inner side surface of the second conducting rod in a sliding mode, the hollow conducting ring and the conducting block are connected with the first conducting rod and the second conducting rod respectively, circuit stability can be guaranteed, and the hollow conducting ring and the conducting block are prevented from being broken away and damaged.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme is through rotating in the casing inside and connecting the take-up pulley, combines end connection's clockwork spring, can twine and accomodate the electric wire, can curl the winding automatically after launching simultaneously, and is stable high-efficient, has again just through rotating connecting wire piece in the take-up pulley is inside, combines the second conducting rod on surface, can connect the electric wire and carry out the circuit intercommunication, can not interfere the rotation simultaneously and break away from, guarantees the security.

(2) Through at axis of rotation end connection limiting plate, can carry on spacingly, avoid rotating at will, safety and stability.

(3) Through cup jointing a spacing section of thick bamboo in the limiting plate outside, and then conveniently connect the location, do benefit to the operation.

(4) The friction plate inside the limiting cylinder is inserted and limited, so that stable connection can be realized, limitation is guaranteed, and convenience and stability are realized.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the connection point A of the conductive block of the present invention;

FIG. 3 is a schematic cross-sectional view of the connection of the limiting cylinder of the present invention;

fig. 4 is a schematic side view of the connection of the limiting cylinder of the present invention.

The reference numbers in the figures illustrate:

the device comprises an outer shell 1, an 11-opening groove, a 12-mounting groove, a 13-rotating shaft, a 14-winding wheel, a 15-clockwork spring, a 16-hollow hole, a 17-first conducting rod, a 18-second conducting rod, a 2-first conducting wire, a 21-hollow conducting ring, a 22-second conducting wire, a 23-conducting block, a 3-operation groove, a 31-limiting plate, a 32-limiting rubber pad, a 33-limiting barrel, a 34-friction plate and a 35-cross-shaped operation protrusion.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, a retractable inverter includes an outer case 1, referring to fig. 1 and 2, an open slot 11 is formed at a rear side of an inside of the outer case 1, and is capable of drawing out and placing an electric wire to be stored therein, a mounting groove 12 is formed at a front end of an inner side surface of the open slot 11, a take-up pulley 14 is rotatably connected to a center of the inner side surface of the open slot 11 through a rotation shaft 13, and is capable of winding the electric wire to be stored, stably and efficiently, an outer surface of the take-up pulley 14 is rotatably connected to the inner side surface of the open slot 11, and a clockwork spring 15 is fixedly mounted at a front side of the outer surface of the rotation shaft 13, so that when the electric wire is drawn and unfolded, the clockwork spring 15 is twisted by rotation of the take-up pulley 14 to provide a pre-tightening force, and, the winding device is stable and efficient, the other end of the spring 15 is fixedly connected to the inner side surface of the mounting groove 12, a hollow hole 16 is formed inside the rotating shaft 13, two ends inside the hollow hole 16 are respectively and fixedly connected with a first conducting rod 17 and a second conducting rod 18, two poles of an electric wire can be connected, mutual short circuit is avoided, and the winding device is stable and efficient, the upper surfaces of the first conducting rod 17 and the second conducting rod 18 are both fixedly connected to two sides of the inner surface of the winding wheel 14, the inner part of the outer shell 1 is fixedly connected with a first lead 2, the rear side surface of the first lead 2 is fixedly connected with a hollow conducting ring 21, the outer surface of the hollow conducting ring 21 is rotatably connected to the inner side surface of the hollow hole 16, the inner part of the outer shell 1 is fixedly connected with a second lead 22, the rear side surface of the second lead 22 is rotatably connected to the inner side surface of the hollow hole 16 through, can realize the circuit intercommunication, belong to prior art, no longer describe, also can just also be with the electric wire winding on take-up pulley 14, belong to the swing with hollow conducting ring 21 and conducting block 23 simultaneously and be connected, can guarantee the switch-on when rotating, also can not drag because of interfering simultaneously, can not drop, stable high efficiency.

Referring to fig. 1, 3 and 4, the rear end surface of the open slot 11 is provided with an operation groove 3, the rear side surface of the rotating shaft 13 is fixedly connected with a limiting plate 31, the rotating shaft 13 can be limited to avoid random rotation, and the stability after adjustment is improved, the outer surface of the limiting plate 31 is rotatably connected to the inner side surface of the operation groove 3, the rear side surface of the limiting plate 31 is fixedly adhered with a limiting rubber pad 32, the outer surface of the limiting plate 31 is slidably connected with a limiting cylinder 33, the outer surface of the limiting cylinder 33 is in threaded connection with the inner side surface of the operation groove 3, the front end of the inner side surface of the limiting cylinder 33 is provided with a friction plate 34, the limiting rubber pad 32 is tightly pressed by the friction plate 34, the friction resistance can be increased to avoid random rotation, and further limiting is performed, the automatic reset of the spring 15 is avoided, the safety and stability are achieved, the outer surface of the friction plate 34, conveniently take spacing section of thick bamboo 33 screw thread to rotate, do benefit to the regulation.

During the use, can put through first conducting rod 17 and second conducting rod 18 with the both ends of electric wire, and accomodate in winding take-up pulley 14, the tip is stayed outside open slot 11, when needing to use, can stimulate the electric wire and expand certain length, at this moment, can take-up pulley 14 to rotate, the frictional resistance of limiting plate 31 both can be overcome, take clockwork spring 15 distortion simultaneously, do benefit to the operation, and adjust and accomplish the back, screw up spacing section of thick bamboo 33, it is spacing to compress tightly spacing rubber pad 34 through friction plate 34, avoid rotating and reset, can be stable and practical, and when needing to accomodate again, can loosen spacing section of thick bamboo 33, cancel spacingly, clockwork spring 15 resets like this and takes take-up pulley 14 antiport, can accomodate by automatic winding electric wire, safety and high efficiency, do benefit to the use, and leave inside.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. A retractable type inverter comprising an outer case (1), characterized in that: the inside rear side of shell body (1) is equipped with open slot (11), the inboard surface front end of open slot (11) is equipped with mounting groove (12), the inboard surface center department of open slot (11) rotates through axis of rotation (13) and is connected with take-up pulley (14), the surface of take-up pulley (14) rotates and connects in the inboard surface of open slot (11), the surface front side fixed mounting of axis of rotation (13) has clockwork spring (15), the other end fixed connection of clockwork spring (15) is in the inboard surface of mounting groove (12), the inside of axis of rotation (13) is equipped with hollow hole (16), the inside both ends of hollow hole (16) are fixedly connected with first conducting rod (17) and second conducting rod (18) respectively, the upper surface of first conducting rod (17) and second conducting rod (18) is all fixed connection in the inside surface both sides of take-up pulley (14), the utility model discloses a hollow conductor structure, including shell body (1), the inside fixedly connected with first wire (2) of shell body (1), the rear side surface fixedly connected with hollow conducting ring (21) of first wire (2), the surface of hollow conducting ring (21) rotates and connects in the inboard surface of hollow hole (16), the inside fixedly connected with second wire (22) of shell body (1), the rear side surface of second wire (22) rotates through conducting block (23) and connects in the inboard surface of hollow hole (16).

2. A retractable inverter as claimed in claim 1, wherein: the rear end surface of open slot (11) is equipped with operation groove (3), the rear side surface fixedly connected with limiting plate (31) of axis of rotation (13), the surface of limiting plate (31) rotates the inboard surface of connecting in operation groove (3).

3. A retractable inverter as claimed in claim 2, wherein: the rear side surface of the limiting plate (31) is fixedly adhered with a limiting rubber pad (32), the outer surface of the limiting plate (31) is connected with a limiting cylinder (33) in a sliding mode, and the outer surface of the limiting cylinder (33) is in threaded connection with the inner side surface of the operating groove (3).

4. A retractable inverter as claimed in claim 3, wherein: the front end of the inner side surface of the limiting cylinder (33) is provided with a friction plate (34), the outer surface of the friction plate (34) is inserted into the outer surface of the limiting rubber pad (32), and the rear side of the outer surface of the limiting cylinder (33) is provided with a cross-shaped operating protrusion (35).

5. A retractable inverter as claimed in claim 1, wherein: the outer surface of the hollow conductive ring (21) is connected with the inner side surface of the first conductive rod (17) in a sliding mode, and the outer surface of the conductive block (23) is connected with the inner side surface of the second conductive rod (18) in a sliding mode.