CN218333648U - A new molded case circuit breaker - Google Patents

Abstract

The utility model discloses a novel molded case circuit breaker, which relates to the technical field of molded case circuit breakers, and comprises a main body of the circuit breaker. The outer wall of the main body of the circuit breaker is fixedly connected with a connection plate. There are two connection plates in total, and the connection plate is L-shaped. The connecting plate is provided with a first through hole, and there are multiple first through holes. The outer wall of the main body of the circuit breaker is fixedly connected with a back plate. The back plate is provided with a second through hole. There is a fixed plate on one side of the back plate, and a screw rod is arranged on the fixed plate. The inner wall of the fixed plate is fixedly connected with an installation mechanism. The installation mechanism includes a box body and a push rod. The box body is fixedly connected with the fixed plate. , the inner wall of the box is provided with a sleeve, the inner wall of the sleeve is provided with a first spring, a plurality of first springs are provided, a positioning rod is provided at the bottom of the first spring, a plurality of positioning rods are provided in total, and a card is provided at the top of the push rod. Slot, the card slot is provided with a plurality of altogether. The utility model has the advantage of convenient installation and disassembly of the circuit breaker.

Description

A new molded case circuit breaker

technical field

The utility model relates to the technical field of molded case circuit breakers, in particular to a novel molded case circuit breaker.

Background technique

As we all know, the molded case circuit breaker is a new type of power distribution product. The molded case circuit breaker is a device used to connect and break power lines and realize various line fault protection. Its detection and protection functions use certain physical Effect, is widely used in the low-voltage power distribution system in the unattended field of electric power or communication. It can monitor online voltage, current, leakage and other parameters in real time, judge abnormal signals, and implement automatic tripping and closing, so as to ensure the reliable operation of back-end equipment.

In the prior art, the new molded case circuit breaker is generally installed on the wall by bolts.

However, when the above-mentioned device is in use, the existing circuit breaker needs to be installed by screws when installing, so that the circuit breaker is installed on the wall or on the device casing, but when the circuit breaker is damaged or needs to be overhauled, the circuit breaker needs to be installed. After disassembly, the position of the original screw hole is often repeatedly rotated, which makes it unusable, so new screw holes need to be drilled. This method of installation and removal is time-consuming and labor-intensive.

Utility model content

The purpose of the utility model is to solve the shortcomings in the prior art, and propose a novel molded case circuit breaker. Its advantage is that it is convenient to install and remove the circuit breaker.

In order to achieve the above object, the utility model adopts the following technical solutions:

A new molded case circuit breaker, comprising a circuit breaker main body, the outer wall of the circuit breaker main body is fixedly connected with a connection plate, two connection plates are provided in total, the connection plates are L-shaped, and the connection plate is provided with There are a plurality of first through holes, the outer wall of the main body of the circuit breaker is fixedly connected with a back plate, the back plate is provided with a second through hole, and the second through holes have a total of There are multiple, one side of the back plate is provided with a fixing plate, the fixing plate is provided with a screw rod, and the inner wall of the fixing plate is fixedly connected with an installation mechanism.

Through the above technical scheme: first install the fixing plate on the wall, and then install the main body of the circuit breaker and the fixing plate through the function of the installation mechanism, so that the main body of the circuit breaker is installed on the outside of the fixing plate, which is easy to operate, convenient to install and disassemble, and saves energy. time.

The utility model is further configured as follows: the installation mechanism includes a box body and a push rod, the box body is fixedly connected with the fixing plate, there are a plurality of the box bodies, and the inner wall of the box body is provided with a sleeve , the inner wall of the sleeve is provided with a first spring, a plurality of the first springs are provided, a positioning rod is provided at the bottom of the first spring, a plurality of the positioning rods are provided in total, and a plurality of positioning rods are provided at the top of the push rod. There are card slots, a plurality of card slots are provided, the card slots are movably connected with the positioning rod, the outer wall of the push rod is fixedly connected with a limit block, and the outer wall of the limit block is fixedly connected with a pull rod. The pull rod is connected through the first through hole and the second through hole.

Through the above technical scheme: by pressing the pull rod, the pull rod drives the push rod to move, so that the push rod moves towards the box body, the push rod contacts the positioning rod during the movement process, and the positioning rod moves upward through the continuous movement of the push rod, positioning When the rod moves upward, the first spring is compressed. When the push rod moves to the designated position, the positioning rod is pushed down by the force of the first spring to make the positioning rod contact with the slot on the push rod. The contact between the two restricts the push rod so that the push rod cannot move. When the card slot contacts the positioning rod, the main body of the circuit breaker will be restricted at the outer wall of the fixed plate. When it is necessary to separate the main body of the circuit breaker from the fixed plate , turn the pull rod, so that the pull rod drives the push rod to rotate, and when the push rod rotates, it drives the rotation of the card slot to separate the card slot from the positioning rod. After the two are separated, the push rod is no longer restricted by the positioning rod, and then the pull rod can be pulled. The pull rod drives the push rod away from the fixed plate, thereby completing the disassembly of the fixed plate and the main body of the circuit breaker, which is easy to operate and convenient for installation and disassembly.

The utility model is further configured that the push rod is adapted to the second through hole.

Through the above technical solution: through the function of the second through hole, when the push rod needs to be far away from the fixed plate, after the push rod is overturned, the push rod is moved to move the push rod from the lower end of the second through hole, so that the push rod is far away from the fixed plate.

The utility model is further configured that a guide plate is connected through the outer wall of the pull rod, and the guide plate is fixedly connected with the main body of the circuit breaker.

Through the above technical solution: through the function of the guide plate, the moving track of the pull rod and the push rod is restricted, preventing the slot on the push rod from being in contact with the positioning rod.

The utility model is further configured that the diameter of the limiting block is larger than the first through hole and the second through hole.

Through the above technical solution: through the function of the limit block, the moving position of the push rod is limited to prevent the push rod from being separated from the backboard.

The utility model is further configured that, the top of the connecting plate is fixedly connected with a bump, and there are a plurality of the bumps, and the outer wall of the bump is fixedly connected with a connecting rod, and a positioning plate is connected through the connecting rod, The positioning plate is movably connected with the pull rod.

Through the above technical scheme: by moving the positioning plate, the positioning plate moves left and right on the connecting rod. When the positioning plate moves to the designated position, press the positioning plate so that the positioning plate penetrates the connecting plate and contacts the outside of the pull rod. Through the contact between the two, the The pull rod is restricted, and the card slot does not completely coincide with the positioning rod, causing the push rod and the pull rod to move backward, so that the main body of the circuit breaker cannot be installed on the outside of the fixing plate.

The utility model is further configured that a movable block is connected through the connecting rod, and a second spring is arranged on the movable block.

Through the above technical solution: through the action of the second spring, when the positioning plate no longer needs to restrict the pull rod, the positioning plate is moved upwards to separate the positioning plate from the connecting plate. When the two are separated, the elastic force of the second spring The function is to push the positioning plate to move and reset the positioning plate.

The beneficial effects of the utility model are:

1. For this new molded case circuit breaker, by pressing the pull rod, the pull rod drives the push rod to move, and the push rod moves toward the box body. The push rod contacts the positioning rod during the movement, and the positioning rod When the positioning rod moves upwards, the first spring is compressed. When the push rod moves to the designated position, the positioning rod is pushed down by the elastic force of the first spring, so that the positioning rod and the push rod are locked together. The contact between the two slots restricts the push rod so that the push rod cannot move. When the card slot contacts the positioning rod, the main body of the circuit breaker will be restricted at the outer wall of the fixing plate. When it is necessary to connect the main body of the circuit breaker with the When the fixed plate is separated, turn the pull rod so that the pull rod drives the push rod to rotate. When the push rod rotates, it drives the rotation of the card slot to separate the card slot from the positioning rod. After the two are separated, the push rod is no longer restricted by the positioning rod, and then The pull rod can be pulled, so that the pull rod drives the push rod away from the fixed plate, thereby completing the disassembly of the fixed plate and the main body of the circuit breaker. The operation is simple and convenient for installation and disassembly.

2. The new molded case circuit breaker moves the positioning plate left and right on the connecting rod by moving the positioning plate. When the positioning plate moves to the designated position, press the positioning plate so that the positioning plate penetrates the connecting plate and contacts the outside of the tie rod. The contact of the person restricts the pull rod, and the slot does not completely coincide with the positioning rod, causing the push rod and the pull rod to move backwards, so that the main body of the circuit breaker cannot be installed on the outside of the fixed plate.

3. The new molded case circuit breaker, through the action of the second spring, when the positioning plate no longer needs to restrict the pull rod, the positioning plate is moved upwards to separate the positioning plate from the connecting plate. The effect of the elastic force of the second spring pushes the positioning plate to move, so that the positioning plate is reset.

Description of drawings

Fig. 1 is a first perspective schematic diagram of the overall three-dimensional structure of a new molded case circuit breaker proposed by the utility model;

Fig. 2 is a second perspective schematic diagram of the overall three-dimensional structure of a new molded case circuit breaker proposed by the utility model;

Fig. 3 is the utility model sectional structure schematic diagram;

Fig. 4 is the schematic diagram of enlarged structure at A place in Fig. 2 of the present utility model;

Fig. 5 is a schematic diagram of the enlarged structure at B in Fig. 3 of the present utility model.

In the figure: 1, circuit breaker main body; 101, connection plate; 102, first through hole; 103, back plate; 104, second through hole; 105, fixed plate; 106, screw rod; 107, bump; 108, connection Rod; 109, positioning plate; 110, movable block; 111, second spring; 2, installation mechanism; 201, box body; 202, push rod; 203, sleeve; 204, first spring; 205, positioning rod; 206 , card slot; 207, limit block; 208, pull rod; 209, guide plate.

detailed description

The technical solution of this patent will be further described in detail below in conjunction with specific embodiments.

Embodiments of the present patent are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are only used for explaining the patent, and should not be construed as limiting the patent.

In the description of this patent, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientation or positional relationship indicated by "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing this patent and simplifying the description, rather than indicating or implying References to devices or elements must have a particular orientation, be constructed, and operate in a particular orientation and therefore should not be construed as limiting on the patent.

In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection", "connection", and "setting" should be understood in a broad sense, for example, it can be fixed connection, setting , can also be detachably connected and set, or integrally connected and set. Those of ordinary skill in the art can understand the specific meanings of the above terms in this patent according to specific situations.

Embodiment one

Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, a new molded case circuit breaker includes a circuit breaker main body 1, the outer wall of the circuit breaker main body 1 is fixedly connected with a connecting plate 101, and there are two connecting plates 101 , the connecting plate 101 is L-shaped, the connecting plate 101 is provided with a first through hole 102, a plurality of first through holes 102 are provided in total, the outer wall of the circuit breaker main body 1 is fixedly connected with a back plate 103, and the back plate 103 is provided with a second Two through holes 104, a plurality of second through holes 104 are provided in total, a fixed plate 105 is arranged on one side of the back plate 103, a screw rod 106 is arranged on the fixed plate 105, and the installation mechanism 2 is fixedly connected to the inner wall of the fixed plate 105.

Embodiment two

Referring to Fig. 4 and Fig. 5, the installation mechanism 2 includes a box body 201 and a push rod 202, the box body 201 is fixedly connected with the fixed plate 105, there are a plurality of box bodies 201, and the inner wall of the box body 201 is provided with a sleeve 203. The inner wall of the barrel 203 is provided with a first spring 204, a plurality of first springs 204 are provided, a positioning rod 205 is provided at the bottom of the first spring 204, a plurality of positioning rods 205 are provided in total, and a card slot 206 is provided at the top of the push rod 202, The draw-in groove 206 is provided with a plurality of, draw-in groove 206 and positioning bar 205 are flexibly connected, and the outer wall of push rod 202 is fixedly connected with limiting block 207, and the outer wall of limiting block 207 is fixedly connected with pull bar 208, and pull bar 208 is connected with first through hole 102 and The second through hole 104 runs through the connection. By pressing the pull rod 208, the pull rod 208 drives the push rod 202 to move, so that the push rod 202 moves toward the box body 201. The continuous movement of the positioning rod 205 makes the positioning rod 205 move upward. When the positioning rod 205 moves upward, the first spring 204 is compressed. When the push rod 202 moves to the designated position, the positioning rod 205 is pushed by the elastic force of the first spring 204 Move downwards so that the positioning rod 205 contacts the draw-in groove 206 on the push rod 202. By contacting the two, the push rod 202 is restricted so that the push rod 202 cannot move. , the main body 1 of the circuit breaker will be limited at the outer wall of the fixed plate 105. When the main body 1 of the circuit breaker needs to be separated from the fixed plate 105, the pull rod 208 is rotated so that the pull rod 208 drives the push rod 202 to rotate, and the push rod 202 drives the card slot when it rotates. 206 is rotated 90 degrees, so that the draw-in slot 206 is separated from the positioning rod 205. After the two are separated, the push rod 202 is no longer restricted by the positioning rod 205, and then the pull rod 208 can be pulled, so that the pull rod 208 drives the push rod 202 away from the fixed plate 105 , so as to complete the disassembly of the fixing plate 105 and the main body 1 of the circuit breaker, the operation is simple, and the installation and disassembly are convenient; When fixing the plate 105, after the push rod 202 is overturned, move the push rod 202 so that the push rod 202 moves from the lower end of the second through hole 104, so that the push rod 202 is far away from the fixed plate 105; The plate 209 is fixedly connected with the main body 1 of the circuit breaker, and the movement track of the pull rod 208 and the push rod 202 is restricted by the function of the guide plate 209, so as to prevent the card slot 206 on the push rod 202 from being in contact with the positioning rod 205; the limit block 207 The diameter is larger than that of the first through hole 102 and the second through hole 104 , and the moving position of the push rod 202 is limited by the function of the stopper 207 to prevent the push rod 202 from being separated from the back plate 103 .

Embodiment three

Referring to Fig. 4, the top of the connecting plate 101 is fixedly connected with a bump 107, and there are a plurality of the bumps 107. The pull rod 208 is movably connected, and the positioning plate 109 is moved left and right on the connecting rod 108 by moving the positioning plate 109. After the positioning plate 109 moves to the designated position, press the positioning plate 109 so that the positioning plate 109 penetrates the outside of the connecting plate 101 and the pull rod 208 Contact, through the contact between the two, the pull rod 208 is restricted, the slot 206 does not completely coincide with the positioning rod 205, causing the push rod 202 and the pull rod 208 to move backward, so that the circuit breaker main body 1 cannot be installed on the outside of the fixed plate 105; A movable block 110 is connected through the rod 108, and a second spring 111 is arranged on the movable block 110. By utilizing the effect of the second spring 111, when the positioning plate 109 no longer needs to restrict the pull rod 208, the positioning plate 109 is moved upwards, The positioning plate 109 is separated from the connecting plate 101 , and at the same time as the two are separated, the positioning plate 109 is pushed to move by the elastic force of the second spring 111 to reset the positioning plate 109 .

Working principle: by pressing the pull rod 208, the pull rod 208 drives the push rod 202 to move, so that the push rod 202 moves toward the box body 201, and the push rod 202 contacts the positioning rod 205 during the moving process. Positioning rod 205 moves upwards, and while positioning rod 205 moves upwards, first spring 204 is compressed, and after push rod 202 moves to designated position, by the effect of the elastic force of first spring 204, promotes positioning rod 205 to move downwards, makes The positioning rod 205 is in contact with the slot 206 on the push rod 202. Through the contact between the two, the push rod 202 is restricted so that the push rod 202 cannot move. When the slot 206 contacts the positioning rod 205, the circuit breaker body 1 It will be limited at the outer wall of the fixing plate 105. When the circuit breaker main body 1 needs to be separated from the fixing plate 105, the pull rod 208 is rotated so that the pull rod 208 drives the push rod 202 to rotate. Make the draw-in slot 206 and the positioning rod 205 separate, after the two are separated, the push rod 202 is no longer restricted by the positioning rod 205, and then the pull rod 208 can be pulled, so that the pull rod 208 drives the push rod 202 away from the fixed plate 105, thereby completing the fixed plate The disassembly of 105 and the circuit breaker main body 1 is easy to operate and convenient for installation and disassembly.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (7)

1. The utility model provides a novel moulded case circuit breaker, includes circuit breaker main part (1), its characterized in that, circuit breaker main part (1) outer wall fixedly connected with connecting plate (101), connecting plate (101) are equipped with two altogether, connecting plate (101) are the L shape, be provided with first through-hole (102) on connecting plate (101), first through-hole (102) are equipped with a plurality ofly altogether, circuit breaker main part (1) outer wall fixedly connected with backplate (103), be provided with second through-hole (104) on backplate (103), second through-hole (104) are equipped with a plurality ofly altogether, backplate (103) one side is provided with fixed plate (105), be provided with screw rod (106) on fixed plate (105), fixed plate (105) inner wall fixedly connected with installation mechanism (2).

2. The novel molded case circuit breaker according to claim 1, wherein the mounting mechanism (2) comprises a box body (201) and a push rod (202), the box body (201) is fixedly connected to the fixing plate (105), the box body (201) is provided with a plurality of members, a sleeve (203) is provided on an inner wall of the box body (201), a plurality of first springs (204) are provided on an inner wall of the sleeve (203), a plurality of positioning rods (205) are provided at a bottom of the first springs (204), a plurality of positioning rods (205) are provided at a top of the push rod (202), a plurality of clamping grooves (206) are provided at a top of the clamping rod (202), the clamping grooves (206) are movably connected to the positioning rods (205), a limiting block (207) is fixedly connected to an outer wall of the push rod (202), a pull rod (208) is fixedly connected to an outer wall of the limiting block (207), and the pull rod (208) is connected to the first through hole (102) and the second through hole (104).

3. A novel molded case circuit breaker according to claim 2, wherein said push rod (202) is adapted to said second through hole (104).

4. The novel molded case circuit breaker according to claim 2, wherein a guide plate (209) is connected to an outer wall of the pull rod (208) in a penetrating manner, and the guide plate (209) is fixedly connected with the breaker main body (1).

5. A novel molded case circuit breaker according to claim 2, wherein the stopper (207) has a diameter larger than the first through hole (102) and the second through hole (104).

6. The novel molded case circuit breaker according to claim 1, wherein a plurality of bumps (107) are fixedly connected to the top of the connecting plate (101), a connecting rod (108) is fixedly connected to the outer wall of the bumps (107), a positioning plate (109) is connected to the connecting rod (108) in a penetrating manner, and the positioning plate (109) is movably connected to the pull rod (208).

7. The novel molded case circuit breaker according to claim 6, wherein a movable block (110) is connected to the connecting rod (108) in a penetrating manner, and a second spring (111) is disposed on the movable block (110).

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