Electronic overload relay for preventing bracket from pulling away
An electronic and relay technology, which is applied in the direction of circuits, electrical components, parts of protective switches, etc., can solve problems such as bracket prolapse, mechanism cannot operate reliably, and electronic overload relay cannot work normally, so as to achieve the effect of reliable operation
Inactive Publication Date: 2011-02-02
TIANJIN BAILI ELECTRIC CO LTD
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- Abstract
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Problems solved by technology
[0002] In the currently known TR40 electronic overload relay mechanism, the bracket is easy to come off from the rotating shaft of the mechanism base, resulting in the mechanism not being able to operate reliably, so that the electronic overload relay cannot work normally
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[0008] In order to further understand the content, characteristics and effects of the present invention, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:
[0009] Such as figure 1 , 2 As shown, there is a rotating shaft 7 as a bracket on the electronic overload relay base 2, a round groove 6 at the bottom end of the bracket 5 is set on the rotating shaft 7 of the base 2, and the upper part of the back of the round groove 6 of the bracket 5 has a boss 4 And the boss 1, the guide rod 3 is inserted horizontally between the boss 4 and the boss 1, and its two ends are fixed on the base 2.
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The invention relates to an electronic overload relay for preventing a bracket from pulling away. The electronic overload relay is characterized by comprising a base, a bracket, a guide rod and two small bosses, wherein a rotating shaft used as the bracket is arranged on the base, a round groove is arranged at the lower end of the bracket, the round groove of the bracket is sleeved on the rotating shaft of the base, the guide rod can prevent the upper end of the bracket from falling off and has two ends which are connected to the base fixedly, the two small bosses are arranged at the upper end of the back of one side with the round groove at the lower end of the bracket, positioned above and below the guide rod and fixedly connected to the bracket, and the guide rod are arranged between the upper small boss and the lower small boss at the upper end of the bracket exactly in a horizontal inserting way. In the invention, since the two small bosses are arranged at the upper end of the bracket and the guide rod is arranged between the two small bosses of the bracket in the horizontal inserting way, the bracket can not separate from the cylindrical rotating shaft of the base, and therefore, the whole mechanism can act reliably and the electronic overload relay can work normally.
Description
technical field [0001] The invention belongs to an electronic overload relay, in particular to an electronic overload relay for preventing the bracket from falling out in a mechanism. Background technique [0002] In the currently known TR40 electronic overload relay mechanism, the bracket is easy to come out from the rotating shaft of the mechanism base, which causes the mechanism to fail to operate reliably, thereby making the electronic overload relay unable to work normally. Contents of the invention [0003] In order to solve the technical problems in the known technology, the invention provides an electronic overload relay for preventing the bracket from coming out of the mechanism. [0004] The technical solution adopted by the present invention to solve the technical problems in the known technology is: it includes an electronic overload relay base and a bracket, the base has a rotating shaft used as the bracket, and the bottom of the bracket has a A circular groo...
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Inventor 史祺高云旭于振国刘冬英李克芹
Owner TIANJIN BAILI ELECTRIC CO LTD