TWM544701U - Electromagnetic switch protection structure - Google Patents

Description

Electromagnetic switch protection structure

The present invention relates to an electromagnetic switch protection structure, in particular to a person who can immediately cut off the electromagnetic switching power supply when the power button is pressed for the first time.

According to the conventional electromagnetic switch, as shown in FIGS. 1 to 4, the electromagnetic switch 10 includes: a casing 11 having inner side walls provided with two opposite track grooves 111; and an electromagnetic component 12 mounted in the casing 11. The coiling plate 122 and the actuating plate 122 are rotatably pivoted on the coil base 121, and the actuating plate 122 forms a linking end 123 and a magnetic end 124. The magnetic end Corresponding to the coil holder 121, a contact assembly 13 includes a touch base 131 and at least two opposite electrode sheets 132. The top end of the touch base 131 is provided with a through hole 133, and a receiving groove is respectively provided on the left and right sides. The illuminating seat 131 is disposed in the track slot 111, and the through hole 133 is disposed through the connecting end 123 of the actuating plate 122. The illuminating seat 131 is provided with at least one elastic seat 135. The two ends have movable contacts 136 respectively connected to each other; the electrode pieces 132 are respectively located on the front and rear sides of the touch base 131, and one of the electrode pieces 132 communicates with the coil base 121 and is worn in the bottom of the casing 11. The top end is respectively provided with a vertical bent static contact 137, and the movable contact 136 of the elastic seat 135 Each of the pressing members 14 is in contact with or separated from the movable contact 137; a pressing member 14 is fastened to the housing 11, and an external power button 141 and a power-off button 142 are disposed on the outside, and the power-on button 141 corresponds to the operating plate 122. a magnetic suction terminal 124, the power-off button 142 corresponds to the upper side of the driving base 131, the power-on button 141 has a gap with the magnetic end 124, the power-off button 142 has a gap with the driving seat 131, and the pressing component 14 and the An elastic member 15 is respectively disposed between the receiving slots 134 of the actuator 131, so that the movable seat 131 receives the elastic The member 15 is pressed downward to separate the movable contact 136 of the elastic seat 135 from the static contact 137, and the magnetic end 124 of the actuating plate 122 is lifted away from the coil base 121; When the electromagnetic switch 10 is powered, the pressing button 141 can be pressed against the magnetic end 124 of the actuating plate 122, and the connecting end 123 can be lifted to drive the movable seat 131 to move upward and compress the elastic member 15 while The elastic seat 135 is moved upward to make the movable contact 136 elastically compressively contact with the static contact 137 to electrically connect the electrode piece 132 and the coil base 121 (as shown in FIG. 2); when the power button 141 is released The magnetic end 124 is still attracted by the energized coil base 121 to keep the electrode piece 132 conductive; otherwise, when the electromagnetic switch 10 is to be powered off, pressing the power button 142 can press the touch block The top end of the 131 is further moved downwardly and simultaneously pressed against the interlocking end 123 of the actuating plate 122, and the magnetic end 124 is lifted away from the coil base 121, and the power button 142 is continuously pressed. Stroke until the resilient seat 135 eliminates the elasticity and then disengages the movable contact 136 from the stationary contact 137 The conductive electrode tabs 132, coil holder 121, this way, the magnetic end of the coil 124 is no longer attracted off the seat 121, but may actually cut off the solenoid 10 of the power supply.

However, when the electromagnetic switch 10 is turned off, the power button 142 needs to be pressed down for a large stroke (deep) to allow the elastic seat 135 to be displaced downward to eliminate the elasticity of the upward abutting. The movable contact 136 is separated from the static contact 137 without contact, so that when the battery is busy or has an emergency to quickly and immediately cut off the power of the electromagnetic switch 10, the action of deep-pressing the power-off button 142 causes frequent simultaneous When the power button 141 is pressed by mistake, the two ends of the actuating plate 122 of the metal ferromagnetic material are simultaneously subjected to the wrong pressing, so that the actuating plate 122 is bent downward (as shown in FIG. 3), even if the operation is performed. When the person hears that the machine stops working and stops pressing the power button 142, the operating angle of the actuating plate 122 is destroyed, so that when the power of the electromagnetic switch 10 is turned on next time, the power button 141 is pressed and the actuating plate cannot be pressed. The connecting end 123 of the 122 is lifted to a preset position (as shown in FIG. 4), so that the movable contact 136 cannot be brought into contact with the stationary contact 137, and the electrode piece 132 and the coil holder 121 cannot be turned on. Will cause damage to the electromagnetic switch 10 and need to be more Change, so now There is a need for electromagnetic switch 10 to be improved.

The main purpose of the present invention is to solve the above problems, and to provide an electromagnetic switch protection structure, the main technology and purpose is to provide a power-off button between the power-off button and the touch base, and the first time when the power button is pressed The power can be immediately powered off and the magnetic state of the actuating plate can be released, and the internal power of the electromagnetic switch can be prevented from being damaged by improper power-off operation.

According to the above object of the present invention, an electromagnetic switch protection structure is provided, comprising: a casing, an electromagnetic component mounted in the casing, a contact component and a pressing component fastened on the casing; the electromagnetic component a coil base and an actuating plate, the actuating plate is pivoted on the coil base such that the actuating plate forms a linking end and a magnetic end, and the magnetic end corresponds to the coil base; the contact assembly The locating block includes a accommodating groove, and the accommodating seat is respectively provided with at least one elastic seat, and the two ends of the elastic seat respectively have movable contacts communicating with each other; The electrode sheets are respectively located on the front and rear sides of the touch base, wherein one of the electrode sheets is in communication with the coil base and is disposed in the bottom of the housing, and the top end thereof is respectively provided with a vertical bent static contact, and the elastic seat is touched The point may be respectively in contact with or separated from the static contact; and the pressing component is externally provided with a power button and a power-off button corresponding to the magnetic end of the actuation plate, the power-off button corresponding to the upper portion of the actuator , the linkage end The driving base is configured to be: a power-off button is disposed between the pressing component and the driving base, and a lower side of the power-off key has a positioning rod corresponding to the receiving groove, and the positioning rod penetrates the group An elastic member is mounted in the accommodating groove, and the elastic member supports the bottom of the power-off button to have a gap with the top end of the driver seat, and the bottom end of the power-off button is pressed against the top of the power-off button; The power-off button is provided with at least one downwardly extending abutting top against the resilient seat.

In an embodiment of the present invention, the abutting top portion is integrally extended from the bottom end of the positioning rod, and the bottom of the receiving groove is provided with a slot through which the abutting top is pressed against the bullet. Sex seat.

In an embodiment of the present invention, the trigger seat is provided with a perforation corresponding to the slot, and the abutting top is pressed against the elastic seat through the through hole.

In an embodiment of the present invention, the abutting top is disposed around the power-off key and directly pressed against the elastic seat.

In an embodiment of the present invention, the elastic member is a compression spring.

With the above structure, the power-off button is directly pressed against the power-off button, and the power of the electromagnetic switch is cut off for the first time without deep pressing the power-off button, that is, the improper power-off operation is avoided. The effect of electromagnetic switch damage.

[study]

10‧‧‧Electromagnetic switch

11‧‧‧Shell

111‧‧‧ Track slot

12‧‧‧Electromagnetic components

121‧‧‧ coil holder

122‧‧‧ actuation board

123‧‧‧ linkage

132‧‧‧electrode

133‧‧‧through hole

134‧‧‧ accommodating slots

135‧‧‧Flexible seat

136‧‧‧moving contacts

137‧‧‧static contacts

14‧‧‧ Pressing components

124‧‧‧magnetic end

13‧‧‧Contact components

131‧‧‧Touching seat

141‧‧‧Power button

142‧‧‧Power button

15‧‧‧Flexible parts

[this creation]

138‧‧‧ slots

139‧‧‧Perforation

20‧‧‧Power off button

21‧‧‧ Positioning rod

22‧‧‧ arrive at the top

30‧‧‧Power off button

31‧‧‧ Positioning rod

32‧‧‧ arrive at the top

Figure 1, is a stereo exploded view of the conventional

Figure 2 is a cross-sectional view of a known state of energization

Figure 3 is a schematic cross-sectional view showing the deformation of the actuating plate caused by the accidental pressing of the actuator plate at the same time.

Figure 4 is a schematic cross-sectional view showing that the actuator plate is deformed and cannot be turned on.

Figure 5 is an exploded view of the touchpad and power-off button of the creation.

Figure 6 is a perspective view of the combination of the touchpad and the power-off button.

Figure 7, is a cross-sectional view of the power-on state of the author

Figure 8 is a schematic cross-sectional view of the power cut operation of the present creation

Figure 9, is a cross-sectional view of the power-off state of the creation

Figure 10 is a perspective view of another embodiment of the present power-off button

Figure 11 is a schematic cross-sectional view showing another embodiment of the present power-off key to cut off the power supply action.

In order for your review board to have a better understanding of this creation, it is better to The embodiment and the drawings are detailed as follows: Please refer to FIGS. 5-9, which is an electromagnetic switch protection structure including: a housing 11, an electromagnetic component 12 mounted in the housing 11, and a contact The component 13 and the pressing component 14 are fastened to the housing 11 . The electromagnetic component 12 includes a coil base 121 and an actuating plate 122 . The actuating plate 122 is pivotally mounted on the coil base 121 to make the actuating plate 122 . A connecting end 123 and a magnetic end 124 are formed, and the magnetic end 124 corresponds to the coil base 121. The contact assembly 13 includes a touch base 131 and at least two opposite electrode sheets 132. Each of the two sides of the elastic seat 135 has a movable contact 136. The electrode piece 132 is respectively located at the front and rear of the touch block 131. The side of the electrode holder 132 is connected to the coil holder 121 and is disposed in the bottom of the housing 11. The top end of the housing is respectively provided with a vertically bent static contact 137. The movable contact 136 of the elastic seat 135 can be Contacting or separating from the static contact 137 respectively; and a power button 141 is disposed outside the pressing component 14 And a power-off button 142 corresponding to the magnetic end 124 of the actuating plate 122, the power-off button 142 corresponding to the upper of the touch-seat 131, the connecting end 123 for driving the touch-seat 131; There is a power-off key 20 between the pressing component 14 and the driving base 131. The lower side of the power-off key 20 has a positioning rod 21 corresponding to the receiving groove 134, and the positioning rod 21 is worn. An elastic member 15 is mounted in the accommodating groove 134. Preferably, the elastic member 15 is a compression spring. The elastic member 15 supports the bottom of the power-off key 20 to maintain the top end of the driving seat 131. The gap further causes the bottom end of the power button 142 to be pressed against the top of the power-off button 20; and a slot 138 is defined in the bottom of the receiving slot 134, and the bottom end of the positioning rod 21 is further extended with a downward facing top. 22, and the top portion 22 is directly pressed against the elastic seat 135 through the slot 138; by the above structure, pressing the power button 142 can directly separate the movable contact 136 from the static contact 137 and cut Disconnecting the power of the electromagnetic switch 10 so that the magnetic end 124 is no longer affected by the coil holder When the 121 is attracted, the elastic member 15 pushes the contact seat 131 downward to interlock the connecting end 123 of the actuating plate 122, so that the magnetic end 124 is lifted off the coil base 121, so as to protect the electromagnetic opening 10 from causing At the same time, the power button 141 and the power button 142 are accidentally pressed to prevent the actuator plate 122 from being deformed by improper pressure, and the electromagnetic switch 10 is damaged.

The composition and function of the above embodiment are described in detail as follows: Referring to FIGS. 5 to 9, when the present invention is intended to turn on the power of the electromagnetic switch 10, pressing the power button 141 can press the magnetic end of the actuating plate 122. The downward direction of the 124 is further caused to cause the interlocking end 123 to be lifted to drive the movable seat 131 to move upward and compress the elastic member 15 while driving the elastic seat 135 to move upward, so that the movable contact 136 can be elasticized with the static contact 137, respectively. The electrode sheet 132 and the coil holder 121 are turned on by the compression contact (as shown in FIG. 7); when the power button 141 is released, the magnetic end 124 is still attracted by the energized coil holder 121, so that the electrode sheet 132 is maintained. When the power of the electromagnetic switch 10 is to be cut off, the power button 142 can be pressed directly against the top of the power-off button 20, and the abutting portion 22 can pass through the slot 138 of the driver seat 131, And the through hole 139 corresponding to the slot 138 is directly pressed against the elastic seat 135, and the movable contact 136 is immediately separated from the static contact 136 to be powered off. At this time, the upper portion of the touch base 131 is not pressed. No external force is applied to the actuating plate 122; but due to the electromagnetic The closing end 10 is powered off, and the magnetic end 124 is no longer attracted by the coil holder 121, so that one end of the elastic member 15 abuts the power-off key 20, and the other end abuts against the receiving groove 134, and the touch is triggered. The seat 131 is opened downward to interlock the interlocking end 123 of the actuating plate 122, so that the magnetic end 124 is lifted away from the coil base 121; in other words, only the "light touch" is required to "deep press" the power button 142. The electromagnetic switch 10 can be powered off at the first time; thus, the power button 142 does not have to press a large (deep) stroke to allow the elastic seat 135 to eliminate its elastic contact pressure, and the static contact 137 can be The separation can avoid the problem that the electromagnetic switch 10 is damaged and needs to be replaced when the power is turned off by the power button 141 in an emergency situation.

In addition, according to the above technical means, the present invention can also be implemented in the form of the 10th and 11th drawings; the lower side of the power-off key 30 of the present invention has a positioning rod 31 corresponding to the receiving groove 134, The positioning rod 31 is disposed in the accommodating groove 134, and the elastic member 15 supports the bottom of the power-off key 30 to maintain a gap with the top end of the driving seat 131, and the power-off button is further provided. The bottom end of the 142 is pressed against the top of the power-off key 30; the periphery of the power-off key 30 is provided with at least one downwardly extending abutting top 32, and the abutting top 32 is directly pressed against the elastic seat 135 (as shown in FIG. 11). With the above structure, pressing the power button 142 can directly separate the movable contact 136 from the static contact 137 to cut off the power of the electromagnetic switch 10, so that the magnetic end 124 is no longer received by the coil holder. When the 121 is attracted, the elastic member 15 pushes the contact seat 131 downward to interlock the connecting end 123 of the actuating plate 122, so that the magnetic end 124 is lifted off the coil base 121, so as not to press the large stroke (deep pressure) ), it is possible to avoid the situation that the electromagnetic switch 10 is damaged due to the accidental pressing of the power button 141 and the power button 142 at the same time.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present creation, and are not intended to limit the features of the present creation. The re-creation of the technical means and creation principle related to the creation is still the creation. The equivalent structure of the creative category.

131‧‧‧Touching seat

134‧‧‧ accommodating slots

135‧‧‧Flexible seat

136‧‧‧moving contacts

139‧‧‧Perforation

15‧‧‧Flexible parts

20‧‧‧Power off button

21‧‧‧ Positioning rod

22‧‧‧ arrive at the top

Claims (5)

An electromagnetic switch protection structure includes: a casing, an electromagnetic component mounted in the casing, a contact component and a pressing component fastened on the casing; the electromagnetic component comprises a coil base and an actuating plate The actuation plate is pivoted on the coil base such that the actuation plate forms a linkage end and a magnetic end, and the magnetic end corresponds to the coil base; the contact assembly includes a touch base and at least two relative The electrode holders are respectively provided with a receiving groove on the left and right sides of the driving seat, and the driving seat is provided with at least one elastic seat, and the two ends of the elastic seat respectively have moving contacts; the electrode pieces are respectively located before and after the driving seat On both sides, one of the electrode sheets is in communication with the coil holder, and is disposed in the bottom of the housing, and the top end thereof is respectively provided with a vertically bent static contact, and the movable contact of the elastic seat can respectively be connected with the static contact Contacting or separating; and a pressing button and a power-off button are disposed outside the pressing component, the power-on button corresponding to the magnetic end of the operating plate, the power-off button corresponding to the upper portion of the driving seat, the linking end is used to drive the Touch seat; A power-off button is disposed between the pressing component and the driving base, and a lower side of the power-off key has a positioning rod corresponding to the receiving slot, and the positioning rod wears an elastic member and is mounted on the receiving rod. In the slot, the elastic member supports the bottom of the power-off button to have a gap with the top end of the driver seat, and the bottom end of the power-off button is pressed against the top of the power-off button; and the power-off button is provided with at least one downward The extension is pressed against the top of the elastic seat. The electromagnetic switch protection structure of claim 1, wherein the abutting top portion is integrally extended from the bottom end of the positioning rod, and the bottom of the receiving groove is provided with a slot through which the abutting top is pressed. Elastic seat. The electromagnetic switch protection structure of claim 2, wherein the actuation seat is provided with a perforation corresponding to the slot, and the abutting top is pressed against the elastic seat through the through hole. The electromagnetic switch protection structure of claim 1, wherein the abutting top is disposed at a periphery of the power-off key and directly pressed against the elastic seat. The electromagnetic switch protection structure of claim 1, wherein the elastic member is a compression spring.