Copper bar fixing structure of dual-power-supply automatic change-over switch

Abstract

The utility model belongs to the technical field of dual-power automatic change-over switches, and particularly relates to a copper bar fixing structure of a dual-power automatic change-over switch. The device comprises a lower housing, wherein a plurality of positioning grooves are formed in two sides of the lower housing; a plurality of load copper bars and a plurality of inlet wire copper bars, the plurality of load copper bars and the plurality of inlet wire copper bars are divided into two rows and are respectively arranged in the positioning grooves of the lower shell, and the side edges of the load copper bars and the side edges of the inlet wire copper bars are provided with bosses matched with the positioning grooves; and the upper shell is arranged above the lower shell. The utility model is used for solving the technical problems of long assembly time, unreliability and neglected assembly of the installation mode of fixing the copper bar in the shell by using a bolt in the prior art.

Description

Technical Field

[0001] The utility model belongs to the technical field of dual power automatic transfer switches, and in particular relates to a copper bar fixing structure of a dual power automatic transfer switch. Background Art

[0002] The copper bars (including the load copper bars and the incoming copper bars) in the existing dual power automatic transfer switch are installed in the same manner as the fixed housing, that is, they are fastened by bolts.

[0003] This installation method results in a longer production time for the copper busbar to be fixed to the housing, and the reliability (the bolts are not fully tightened) is not high. During the assembly process of the production line, there is also the phenomenon of missing bolts causing the copper busbar to fall off, which seriously affects the quality stability of the product. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a copper busbar fixing structure for a dual power automatic transfer switch, which is used to solve the technical problem that the installation method of fixing the copper busbar to the shell with bolts in the prior art not only takes a long time to assemble, is unreliable, but also has the problem of missing installation.

[0005] The utility model solves the above technical problems with the following technical solutions: A copper bar fixing structure for a dual power automatic transfer switch, comprising:

[0006] A lower shell, wherein both sides of the lower shell are provided with a plurality of positioning grooves;

[0007] A plurality of load copper bars and a plurality of incoming copper bars, wherein the plurality of load copper bars and the plurality of incoming copper bars are divided into two rows and are respectively placed in the positioning grooves of the lower shell, and the sides of the load copper bars and the incoming copper bars are provided with bosses adapted to the positioning grooves;

[0008] An upper shell is arranged above the lower shell.

[0009] The utility model limits the displacement of the load copper bar and the incoming copper bar in the front, rear, left and right directions through the positioning grooves, and combined with the upper shell and the lower shell that can be buckled, the displacement of the load copper bar and the incoming copper bar in the upper and lower directions can be limited; this installation method replaces the method of fixing the copper bar with bolts, can shorten the assembly time of the copper bar, and the limitation of the position of the copper bar is more accurate and error-free.

[0010] Furthermore: the positioning groove is divided into a load copper bar groove and an incoming copper bar groove, and the shapes of the load copper bar groove and the incoming copper bar groove are different.

[0011] The beneficial effect of adopting this step is that the different shapes of the two grooves have a fool-proof effect, which can prevent the load copper busbar and the incoming copper busbar from being placed in the wrong groove.

[0012] Furthermore: a positioning hole is provided in the middle of each of the load copper bars and each of the incoming copper bars;

[0013] The lower shell is provided with a limiting hole at a position corresponding to the positioning hole;

[0014] The upper shell is provided with a limiting boss at a position corresponding to the limiting hole.

[0015] The beneficial effect of adopting this step is that the limiting boss can pass through the positioning hole and be inserted into the limiting hole to further limit the copper busbar.

[0016] Furthermore: a plurality of positioning bosses are arranged at intervals on the two side edges of the lower shell;

[0017] The upper shell is provided with an adaptable notch at a position corresponding to the positioning boss.

[0018] The beneficial effect of adopting this step is that the positioning boss and the notch can ensure that the upper shell and the lower shell are accurately snapped together.

[0019] Furthermore: at least two of the limiting holes corresponding to the incoming copper bars are provided with internal threads;

[0020] A through hole is formed at a position of the limiting hole with the internal thread corresponding to the upper shell.

[0021] The beneficial effect of adopting this step: the reserved internal threads and through holes are for the convenience of serial connection of the wiring harness of the control circuit.

[0022] Furthermore: the load copper bar has the same thickness as the incoming copper bar;

[0023] The depth of the positioning groove is the same as or different from the thickness of the load copper bar and the incoming copper bar;

[0024] When the depth of the positioning groove is the same as the thickness of the load copper bar and the incoming copper bar, the position of the upper shell corresponding to the positioning groove is a plane;

[0025] When the depth of the positioning groove is different from the thickness of the load copper bar and the incoming copper bar, the depth of the positioning groove is greater than or less than the thickness of the load copper bar and the incoming copper bar, and a positioning protrusion or an auxiliary positioning groove is provided at the position of the upper shell corresponding to the positioning groove, and the distance between the positioning groove and the positioning protrusion or the distance between the positioning groove and the auxiliary positioning groove is the same as the thickness of the load copper bar and the incoming copper bar.

[0026] Beneficial effects of adopting this step: different implementation methods of the positioning groove on the shell.

[0027] The beneficial effects of the utility model are:

[0028] 1. The present application utilizes positioning grooves and upper and lower shells to limit the displacement of the load copper busbar and the incoming copper busbar in six directions: front, back, left, right, top, and bottom, thereby realizing a method of fixing the copper busbar and replacing bolts, thereby reducing the assembly time of the production line and eliminating the need to prevent the hidden danger of bolts not being tightened;

[0029] 2. The present application also provides a limiting boss on the upper shell and a limiting hole on the lower shell, and the displacement of the copper busbar is further limited by the limiting boss and the limiting hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0031] Figure 1 A schematic diagram of a copper bar fixing structure of a dual power automatic transfer switch provided by the utility model;

[0032] Figure 2 for Figure 1 Schematic cross-sectional view of AA in the figure;

[0033] Figure 3 A schematic diagram of the structure of the copper bar and the lower shell in a copper bar fixing structure of a dual power automatic transfer switch provided by the utility model;

[0034] Figure 4 A schematic diagram of the structure of an upper housing in a copper bar fixing structure of a dual power automatic transfer switch provided by the utility model;

[0035] Figure 5 A schematic diagram of the structure of a load copper bar in a copper bar fixing structure of a dual power automatic transfer switch provided by the utility model;

[0036] Figure 6 The utility model provides a schematic structural diagram of an incoming copper busbar in a copper busbar fixing structure of a dual power automatic transfer switch.

[0037] Reference numerals:

[0038] 1-lower housing; 2-load copper bar; 3-inlet copper bar; 4-upper housing;

[0039] 11-limiting hole; 12-internal thread; 13-positioning groove; 14-positioning boss; 21-load copper busbar boss; 22-positioning hole; 31-inlet copper busbar boss; 41-through hole; 42-limiting boss. DETAILED DESCRIPTION

[0040] The following embodiments of the technical solution of the utility model are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and are therefore only used as examples, and cannot be used to limit the protection scope of the utility model.

[0041] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application should have the common meanings understood by technicians in the field to which the utility model belongs.

[0042] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0043] In addition, the terms "first", "second", etc. are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present utility model, the meaning of "plurality" is more than two, unless otherwise clearly and specifically defined.

[0044] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0045] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being “above”, “above”, and “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0046] Example

[0047] like Figure 1 to Figure 6 As shown, the utility model provides a dual power automatic transfer switch copper bar fixing structure, comprising:

[0048] A lower shell 1, wherein both sides of the lower shell 1 are provided with a plurality of positioning grooves 13;

[0049] A plurality of load copper bars 2 and a plurality of incoming copper bars 3, the plurality of said load copper bars 2 and the plurality of said incoming copper bars 3 are divided into two rows and are respectively placed in the said positioning groove 13 of the said lower shell 1, and the sides of the said load copper bars 2 and the said incoming copper bars 3 are provided with bosses adapted to the said positioning groove 13, the bosses are divided into load copper bar bosses 21 and incoming copper bar bosses 31, the bosses can clamp the two ends of the main positioning groove 13 to ensure that the copper bar will not move left and right in the positioning groove 13; the positioning groove 13 can be other shapes such as oval, arc or tooth shape in addition to the shape shown in the figure;

[0050] The upper shell 4 is arranged above the lower shell 1 , and the upper shell 4 can be buckled with the lower shell 1 .

[0051] The utility model limits the displacement of the load copper bar 2 and the incoming copper bar 3 in the front, rear, left and right directions through the positioning groove 13, and combined with the upper shell 4 and the lower shell 1 that can be buckled, the displacement of the load copper bar 2 and the incoming copper bar 3 in the upper and lower directions can be limited; this installation method replaces the method of fixing the copper bar with bolts, can shorten the assembly time of the copper bar, and the limitation of the position of the copper bar is more accurate and error-free.

[0052] On the basis of the above technical solution, the positioning groove 13 is divided into a load copper bar groove and an incoming copper bar groove, and the shapes of the load copper bar groove and the incoming copper bar groove are different.

[0053] The different shapes of the grooves of the load copper bar and the incoming copper bar have a fool-proof effect, which can prevent the load copper bar 2 and the incoming copper bar 3 from being placed in the wrong grooves.

[0054] On the basis of the above technical solution, a positioning hole 22 is opened in the middle of each of the load copper bars 2 and each of the incoming copper bars 3;

[0055] The lower housing 1 is provided with a limiting hole 11 at a position corresponding to the positioning hole 22;

[0056] The upper shell 4 is provided with a limiting boss 42 at a position corresponding to the limiting hole 11 .

[0057] The limiting boss 42 can pass through the positioning hole 22 and be inserted into the limiting hole 11 to further limit the copper busbar.

[0058] On the basis of the above technical solution, a plurality of positioning bosses 14 are arranged at intervals on the two side edges of the lower housing 1;

[0059] The upper shell 4 is provided with an adaptable notch at a position corresponding to the positioning boss 14 .

[0060] The positioning boss 14 and the notch can ensure that the upper shell 4 and the lower shell 1 are accurately snapped together.

[0061] On the basis of the above technical solution, at least two of the limiting holes 11 corresponding to the inlet copper bars 3 are provided with internal threads 12;

[0062] The limiting hole 11 with the internal thread 12 is provided with a through hole 41 at a position corresponding to the upper shell 4 .

[0063] The reserved internal thread 12 and through hole 41 are for the convenience of connecting the incoming copper bus 3 in series with the wiring harness of the control circuit.

[0064] On the basis of the above technical solution, the load copper bar 2 has the same thickness as the incoming copper bar 3;

[0065] The depth of the positioning groove 13 is the same as or different from the thickness of the load copper bar 2 and the incoming copper bar 3;

[0066] When the depth of the positioning groove 13 is the same as the thickness of the load copper bar 2 and the incoming copper bar 3, the position of the upper shell 4 corresponding to the positioning groove 13 is a plane;

[0067] When the depth of the positioning groove 13 is different from the thickness of the load copper bar 2 and the incoming copper bar 3, the depth of the positioning groove 13 is greater than or less than the thickness of the load copper bar 2 and the incoming copper bar 3, and the upper shell 4 is provided with a positioning protrusion or an auxiliary positioning groove at the position corresponding to the positioning groove 13, and the distance between the positioning groove 13 and the positioning protrusion or the distance between the positioning groove 13 and the auxiliary positioning groove is the same as the thickness of the load copper bar 2 and the incoming copper bar 3.

[0068] The above situations are different implementations of the positioning groove 13 on the housing.

[0069] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A copper bar fixing structure for a dual power automatic transfer switch, characterized in that: include: A lower shell, wherein both sides of the lower shell are provided with a plurality of positioning grooves; A plurality of load copper bars and a plurality of incoming copper bars, wherein the plurality of load copper bars and the plurality of incoming copper bars are divided into two rows and are respectively placed in the positioning grooves of the lower shell, and the sides of the load copper bars and the incoming copper bars are provided with bosses adapted to the positioning grooves; An upper shell is arranged above the lower shell.

2. The copper bar fixing structure of the dual power automatic transfer switch according to claim 1 is characterized in that: The positioning groove is divided into a load copper bar groove and an incoming copper bar groove, and the shapes of the load copper bar groove and the incoming copper bar groove are different.

3. The copper bar fixing structure of the dual power automatic transfer switch according to claim 1 is characterized in that: A positioning hole is provided in the middle of each of the load copper bars and each of the incoming copper bars; The lower shell is provided with a limiting hole at a position corresponding to the positioning hole; The upper shell is provided with a limiting boss at a position corresponding to the limiting hole.

4. The copper bar fixing structure of the dual power automatic transfer switch according to claim 1 is characterized in that: A plurality of positioning bosses are also arranged at intervals on the two side edges of the lower shell; The upper shell is provided with an adaptable notch at a position corresponding to the positioning boss.

5. The copper bar fixing structure of the dual power automatic transfer switch according to claim 3 is characterized in that: The limiting holes corresponding to at least two of the incoming copper bars are provided with internal threads; A through hole is formed at a position of the limiting hole with the internal thread corresponding to the upper shell.

6. The copper bar fixing structure of the dual power automatic transfer switch according to claim 1 is characterized in that: The load copper bar has the same thickness as the incoming copper bar; The depth of the positioning groove is the same as or different from the thickness of the load copper bar and the incoming copper bar; When the depth of the positioning groove is the same as the thickness of the load copper bar and the incoming copper bar, the position of the upper shell corresponding to the positioning groove is a plane; When the depth of the positioning groove is different from the thickness of the load copper bar and the incoming copper bar, the depth of the positioning groove is greater than or less than the thickness of the load copper bar and the incoming copper bar, and a positioning protrusion or an auxiliary positioning groove is provided at the position of the upper shell corresponding to the positioning groove, and the distance between the positioning groove and the positioning protrusion or the distance between the positioning groove and the auxiliary positioning groove is the same as the thickness of the load copper bar and the incoming copper bar.

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