CN213459619U - Leakage release - Google Patents

Abstract

The utility model relates to a leakage release, including base, the shell of lid on the base and coil former, coil, yoke, armature of setting in the shell, the coil former transversely sets up on the base, and the coil is around outside the coil former, and the center at the coil former is worn in the yoke middle section, and the yoke both ends upwards extend and form armature end and magnet end respectively, and armature connection is served at armature, forms the ejector pin hole on the shell, has worn the ejector pin in the ejector pin hole, and the lower extreme top of ejector pin is on armature, the magnet end of yoke is the horizontal magnet face in the coil former top, and the side of going up of magnet face is provided with magnet, and the upside of magnet is provided with the yoke piece, and armature swings in the top of yoke piece. The coil of the utility model is transversely arranged, occupies small longitudinal volume, and the magnet is arranged above the coil, so that the longitudinal volume is reduced, the structure is reasonable and compact; the magnet is arranged above the coil and is in direct contact with the armature through the yoke piece, so that the attraction of the magnet is ensured.

Description

Leakage release

Technical Field

The utility model relates to a leakage release.

Background

The leakage release is a release for controlling breaking by detecting residual current, and is divided into a normally open type and a normally closed type according to a normal working state, and the normally closed leakage release is usually realized by adopting a permanent magnet. The conventional normally closed leakage release is larger than a normally open leakage release in size in order to install a magnet, so that the conventional normally closed leakage release cannot be installed in a low-voltage electrical switch of the same die, and the universality is poor.

In addition, the conventional normally closed leakage tripping device does not have the function of adjusting the elasticity of a spring, and the problem that stable normally closing cannot be realized due to different magnetic forces of different magnets is difficult to deal with. Therefore, it is urgently needed to develop a leakage tripping device with small volume and stable and reliable performance.

Disclosure of Invention

In view of this, the present invention provides an electrical leakage release.

In order to realize above mesh, the utility model discloses a leakage release, including base, the shell of lid on the base and coil former, coil, yoke, armature of setting in the shell, the coil former transversely sets up on the base, and the coil is around outside the coil former, and the center at the coil former is worn in the yoke middle section, and the yoke both ends upwards extend and form armature end and magnet end respectively, and armature is connected at armature and is served, forms the ejector pin hole on the shell, has worn the ejector pin in the ejector pin hole, and the lower extreme top of ejector pin is on armature, the magnet end of yoke is the horizontal magnet face in the coil former top, and the side of going up of magnet face is provided with magnet, and the upside of magnet is provided with the yoke piece, and armature swings in the top of yoke piece.

The utility model has the advantages that the coil is transversely arranged, the occupied longitudinal volume is small, and meanwhile, the magnet is arranged above the coil, so that the longitudinal volume is also reduced, the structure is reasonable, and the structure is compact; the magnet is arranged above the coil and is directly contacted with the armature through the yoke piece, so that the attraction of the magnet is ensured; the yoke directly penetrates through the coil, so that parts are saved, and the processing is convenient; the armature is positioned correctly, the position of the ejector rod can be ensured to be positioned in the center of the shell, and the pressing is convenient.

The utility model discloses further set up as leakage release still includes movable contact spring, pressure shell fragment, spring, draws piece, adjusting screw, and movable contact spring connects the side on armature, and the pressure shell fragment is connected in the armature end outside of yoke, draws the piece setting on the base in the yoke outside, and adjusting screw wears to put through the screw in drawing the piece, and pressure shell fragment is horizontal downwards to one side and is drawing the piece top, and adjusting screw's top is pushed up at the downside of pressure shell fragment, and spring coupling is between movable contact spring and pressure shell fragment. The tension adjusting mechanism of the leakage release adopts the structure, has simple structure and small occupied volume, can adjust the tension of the spring below the base, and is convenient to adjust.

The utility model discloses further set up as the yoke is including moving yoke and quiet yoke, moves and connects armature on the yoke, sets up magnet on the quiet yoke, moves yoke and quiet yoke and stretches into the cross connection in the coil former from the both ends of coil former respectively. According to the technical scheme, the yoke is divided into two parts, the yoke can be directly inserted into the coil frame to realize staggered connection, the insertion type installation is convenient, the riveting process is omitted, the automatic installation can be realized, the contact area of the two parts is large, and the electric conductivity is not different from that of an integrated type.

The utility model discloses further set up as magnet face and the magnet between the yoke piece of yoke are provided with the magnetic shield outward, and the magnetic shield surrounds magnet in inside. The magnetic isolation plate can isolate the influence of an external magnetic field, maintain stable magnetic performance and improve the stability of the release.

The utility model discloses further set up as rivet together through the rivet between the magnet face of yoke, magnetism isolating plate, the yoke piece, the rivet passes magnetism isolating plate's side. The magnet and the magnetism isolating plate are convenient to assemble.

The utility model discloses further set up as being fixed with the coil terminal on the coil former, the coil terminal is connected with the coil electricity, and the outer end of coil terminal is passed the base and is exposed outside the base. The coil winding can be quickly and conveniently realized by winding the leading-out end of the coil on the coil terminal, and the coil terminal can be spliced with an external circuit, so that the connection is convenient and reliable.

The utility model discloses further set up to be provided with the buckle bottom the both ends of coil former, form the bayonet socket on the base, the coil former colludes the fixed connection who realizes with the base in the bayonet socket through the buckle. The coil rack and the base are connected by a buckle, so that the assembly is convenient.

The utility model discloses further set up as the terminal hole that supplies the coil terminal to pass is seted up to the base bottom, and the terminal hole strides and establishes on base bottom and side. The coil terminal can longitudinally extend out of the terminal hole and can also transversely extend out of the terminal hole, and the application range is wide.

The utility model discloses further set up as the both sides of yoke transversely outwards extend and form the splenium down, and the splenium is pressing and is pulling a block upside down. The pull block is fixed through the pressing part, so that the fixing part of the pull block is saved, and the assembly is convenient.

The utility model discloses further set up to correspond adjusting screw on the base and form the screw hole, adjusting screw wears to put at the screw hole, and adjusting screw's outer end forms the screw groove. The depth distance of the adjusting screw can be adjusted through the screw groove in the adjusting screw hole, so that the tension of the spring is adjusted.

Drawings

Fig. 1 is a schematic diagram of an embodiment of the present invention.

Fig. 2 is a cross-sectional view of an embodiment of the present invention.

Fig. 3 is a schematic view of the embodiment of the present invention with the outer casing removed.

Fig. 4 is a schematic view of the embodiment of the present invention with the outer casing removed.

Fig. 5 is an exploded view of an embodiment of the present invention.

Detailed Description

As shown in fig. 1 and 5, the embodiment of the present invention is a leakage release, including a base 1, a housing 2, a yoke 3, an armature 4, a coil frame 5, a coil 6, a magnet 7, a yoke plate 8, a movable reed 9, a pressure spring 10, a spring 11, a pull block 12, and an adjusting screw 13, wherein the coil frame 5 is horizontally disposed on the base 1, the coil 6 is wound on the coil frame 5, the yoke 3 includes a movable yoke 31 and a stationary yoke 32, inner ends of the movable yoke 31 and the stationary yoke 32 respectively extend into the coil frame 5 from two ends of the coil frame 5 to be cross-connected, the movable yoke 31 inside the coil frame 5 is overlapped above the stationary yoke 32, an outer end of the movable yoke 31 extends upward along an outer end of the coil frame 5 to form an armature hinge interface 33, the armature 4 is hinged on the armature hinge interface 33, an outer end of the stationary yoke 32 extends upward along an outer end of the other side of the coil frame 5 to form a magnet surface 34 horizontally disposed above the coil frame 5, the magnet 7 is arranged on the upper side of the magnet surface 34, the magnetic isolation plate 71 is arranged around the magnet 7 on the upper side of the magnet surface 34 in a surrounding mode, the yoke plate 8 covers the upper sides of the magnet 7 and the magnetic isolation plate 71, the magnet surface 34, the magnetic isolation plate 71 and the yoke piece 8 are riveted together through rivets, the rivets penetrate through the side face of the magnetic isolation plate 34, the magnet 7 is limited in the magnetic isolation plate 71, one end of the armature 4 is hinged in the armature hinge port 33 of the moving yoke 31, and the other end of the armature swings above the yoke piece 8, so that contact or separation with the yoke piece 8 can be achieved.

The movable spring 9 is arranged on the upper side surface of the armature 4, the movable spring 9 forms an upper spring hanging rack 91 extending to the outer side of the movable yoke 31 towards one end of the movable yoke 31, the pressure spring piece 10 is arranged on the outer side of the movable yoke 31, one side of the pressure spring piece 10 extends downwards and then extends inwards in a slant mode, a lower spring hanging rack 101 is formed on the outer side, the spring 11 is connected between the upper spring hanging rack 91 and the lower spring hanging rack 101, the pull block 12 is arranged on the base 1 below the pressure spring piece 10, the adjusting screw 13 is arranged in the pull block 12 in a penetrating mode through threads, and the top end of the adjusting screw 13 abuts against the lower side of the pressure spring piece 10. Two sides of the moving yoke 31 extend outwards and transversely to form pressing parts 35, the pull block 12 is arranged on the lower side of the pressing parts 35, and the two pressing parts 35 press two sides of the pull block 12 to fix the pull block 12 on the base 1. The base 1 is formed with a screw hole 14 corresponding to the outer end of the adjusting screw 13, and the outer end of the adjusting screw 13 is formed with a screw groove 131 of a hexagon socket.

Two terminal fixing positions 51 are formed on the coil frame 5, a coil terminal 52 penetrates through the terminal fixing positions 51, a wire passing groove 54 is formed in a side plate of the coil frame 5 above the terminal fixing positions 51, the coil terminal 52 is electrically connected with the coil 6, a terminal hole 15 for the coil terminal 52 to penetrate through is formed in the bottom of the base 1, the terminal hole 15 is arranged on the bottom surface and the side surface of the base 1 in a spanning mode, the outer end of the coil terminal 52 penetrates through the base 1 to be exposed outside the base, and the coil terminal 52 can longitudinally extend out or transversely extend out on the base 1. The bottom of the two ends of the coil frame 5 is provided with a buckle 53, the base 1 is provided with a buckle 53 corresponding to the buckle 53 to form a bayonet 16, the coil frame 5 is hooked in the bayonet 16 through the buckle 53 to realize the fixed connection with the base 1, the buckle 53 is specifically arranged at the bottom of the coil frame 5 on one side of the static yoke 32, the bottom of the coil frame 5 on one side of the dynamic yoke 31 is provided with two buckles 53, and the pull block 12 corresponds to the two buckles 53 to form a yielding groove. The shell 2 covers the base 1, a push rod hole 21 is formed in the middle of the shell 2 corresponding to the armature 4, the push rod 22 penetrates through the push rod hole 21, and the armature 4 can be pressed through the push rod 22.

The aforesaid specific embodiment is the utility model discloses one of the implementation mode, other changes such as the position that sets up that changes the buckle, and the change such as the fixed mode of drawing the piece is all in the utility model discloses a protection scope.

Claims (10)

1. The utility model provides a leakage release, includes the base, cover the shell on the base and set up the coil former in the shell, the coil, the yoke, armature, the coil former transversely sets up on the base, the coil is around outside the coil former, the center at the coil former is worn in the yoke middle section, the yoke both ends upwards extend and form armature end and magnet end respectively, armature is connected at armature and is served, form the ejector pin hole on the shell, the ejector pin has been worn to put in the ejector pin hole, the lower extreme top of ejector pin is on armature, its characterized in that: the magnet end of the yoke is a magnet surface transversely arranged above the coil frame, a magnet is arranged on the upper side surface of the magnet surface, a yoke piece is arranged on the upper side of the magnet, and the armature swings above the yoke piece.

2. The electrical leakage release of claim 1, wherein: the leakage tripper further comprises a movable spring, a pressure spring piece, a spring, a pulling block and an adjusting screw, wherein the movable spring piece is connected to the upper side face of the armature, the pressure spring piece is connected to the outer side of the armature end of the yoke, the pulling block is arranged on a base on the outer side of the yoke, the adjusting screw is arranged in the pulling block in a penetrating mode through threads, the pressure spring piece is obliquely and downwards transversely arranged above the pulling block, the top end of the adjusting screw abuts against the lower side of the pressure spring piece, and the spring is connected between the movable spring piece and the pressure spring piece.

3. A residual current release according to claim 1 or 2, characterized in that: the yoke iron comprises a movable yoke iron and a static yoke iron, the movable yoke iron is connected with the armature iron, the static yoke iron is provided with a magnet, and the movable yoke iron and the static yoke iron respectively extend into the coil rack from two ends of the coil rack and are connected in a staggered manner.

4. A residual current release according to claim 1 or 2, characterized in that: and a magnetic isolation plate is arranged outside the magnet between the magnet surface of the yoke and the yoke piece and surrounds the magnet inside.

5. The electrical leakage release of claim 4, wherein: the magnetic surface of the yoke, the magnetism isolating plate and the yoke sheet are riveted together through a rivet, and the rivet penetrates through the side surface of the magnetism isolating plate.

6. A residual current release according to claim 1 or 2, characterized in that: a coil terminal is fixed on the coil frame and electrically connected with the coil, and the outer end of the coil terminal penetrates through the base and is exposed outside the base.

7. A residual current release according to claim 1 or 2, characterized in that: the coil rack is characterized in that buckles are arranged at the bottoms of the two ends of the coil rack, a bayonet is formed on the base, and the coil rack is hooked in the bayonet through the buckles to be fixedly connected with the base.

8. The electrical leakage release of claim 6, wherein: the bottom of the base is provided with terminal holes for the coil terminals to pass through, and the terminal holes are arranged on the bottom and the side faces of the base in a spanning mode.

9. The electrical leakage release of claim 3, wherein: and two sides of the yoke iron transversely extend outwards to form a pressing part, and the pressing part is pressed on the upper side of the pulling block.

10. A residual current device release according to claim 9, characterized in that: the base is provided with a screw hole corresponding to the adjusting screw, the adjusting screw penetrates through the screw hole, and the outer end of the adjusting screw is provided with a screw groove.

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