CN210272051U

CN210272051U - Waterproof mutual inductor

Info

Publication number: CN210272051U
Application number: CN201921417333.9U
Authority: CN
Inventors: 罗国超
Original assignee: Foshan City Huadian Mutual Sensing Switch Co ltd
Current assignee: Foshan City Huadian Mutual Sensing Switch Co ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-04-07
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses a waterproof mutual inductor, which comprises a shell, a waterproof cover and an iron core, wherein the iron core is arranged in the shell, the iron core is provided with two connecting terminals, the two connecting terminals extend out of the shell, the waterproof cover is arranged on the shell and covers the two connecting terminals, the waterproof cover comprises two waterproof half shells which are symmetrical in front and back, a bolt and a slot are respectively formed on the opposite sides of the two waterproof half shells, and the two waterproof half shells are connected through the insertion fit between the bolt and the slot; the utility model discloses a set up the buckler, cover the buckler two binding post that extend from the iron core, wherein buckler demountable installation divide into two waterproof half shells with the buckler, and two waterproof half shells cooperate through bolt and slot in order to realize being connected between two waterproof half shells, effectively protect binding post to thereby prevent that water direct contact binding post from leading to the electric leakage phenomenon.

Description

Waterproof mutual inductor

Technical Field

The utility model belongs to the technical field of the electrical technology and specifically relates to a waterproof mutual-inductor is related to.

Background

The mutual inductor is also called instrument transformer, and is a general name of current mutual inductor and voltage mutual inductor. The high voltage can be changed into low voltage, and the large current can be changed into small current for measuring or protecting the system. Its function is mainly to convert high voltage or large current into standard low voltage (100V) or standard small current (5A or 1A, both referring to rated value) in proportion so as to realize standardization and miniaturization of measuring instrument, protection equipment and automatic control equipment. The current mutual-inductor is because its self structure influence, in binding post department contacts water easily or can guide water to get into the mutual-inductor to the electric leakage phenomenon appears, so make the workman electrocute easily when occasions such as mutual-inductor glues occasions such as water such as rainy day, harm workman's life safety.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model aims to provide a concrete waterproof function, installation dismantle convenient and fast's waterproof transformer.

In order to achieve the above purpose, the utility model provides a scheme does: a waterproof mutual inductor comprises a shell, a waterproof cover and an iron core, wherein the iron core is arranged in the shell, the iron core is provided with two wiring terminals, the two wiring terminals extend out of the shell, the waterproof cover is arranged on the shell and covers the two wiring terminals, the waterproof cover comprises two waterproof half shells which are symmetrical in front and back, a bolt and a slot are formed on the two opposite sides of the two waterproof half shells respectively, the two waterproof half shells are connected through the insertion fit between the bolt and the slot, the left side and the right side of the bottom of the two waterproof half shells are respectively articulated with two waterproof buckles, the buckles of the two waterproof half shells positioned on the same side are mutually attached when the two waterproof half shells are connected to form a synthetic buckle together, two through holes are formed on the shell, clamping hooks are formed in the two through holes and are hollow, the two clamping hooks are respectively matched with the synthetic buckle to fix the two waterproof half shells on the shell, meanwhile, the two waterproof half shells are made of elastic plastics so as to push the waterproof buckle to approach and leave the two clamping hooks by extruding the waterproof half shells; two it has the semicircle orifice to open respectively on the waterproof half shell opposite side so that two semicircle orifices mutually support when two waterproof half shells interconnect and constitute the wire guide respectively in order to supply the electric wire that two binding post are connected to pass through, and the cover is equipped with the rubber circle on two wire guide simultaneously, the rubber circle cross section is H shape structure.

The utility model has the advantages that: the waterproof structure has the waterproof function, the waterproof cover is arranged in the utility model, the waterproof cover covers two wiring terminals extending from the iron core, the waterproof cover can be detachably installed, the waterproof cover is divided into two waterproof half shells, the two waterproof half shells are matched with the slot through the bolt to realize the connection between the two waterproof half shells, meanwhile, the two waterproof half shells form a synthetic buckle through the matching of the waterproof buckle, then the two waterproof half shells are fixed on the shell through the matching of the buckle between the synthetic buckle and the clamping hook, and the wiring terminals are effectively protected, so that the water is prevented from directly contacting the wiring terminals to cause the electric leakage phenomenon; and the semicircular holes are formed in the waterproof half shells to form wire holes when the two waterproof half shells are matched, the power supply wire is led into the waterproof cover and is connected with the two wiring terminals, and the rubber ring is sleeved outside the wire holes, so that water is effectively prevented from flowing into the waterproof cover from the wire holes, and the wiring terminals are further protected.

Further, the waterproof cover further comprises a boss which is formed on the shell and surrounds the opening of the shell to prevent water from flowing into the waterproof cover from the contact position between the waterproof cover and the shell.

Furthermore, the waterproof cover is made of epoxy resin.

Further, the waterproof cover is of a cuboid structure or a hemispheroid structure.

Drawings

Fig. 1 is a first cross-sectional view of the internal structure of the present invention.

Fig. 2 is a cross-sectional view of the internal structure of the present invention.

Fig. 3 is a side view of the waterproof cover of the present invention.

Wherein, 1 is the casing, 11 is the through-hole, 111 is the screens hook, 12 is the iron core, 121 is binding post, 13 is the boss, 2 is the buckler, 21 is waterproof half shell, 211 is the bolt, 212 is the slot, 213 is synthetic buckle, 2131 is waterproof buckle, 214 is the wire guide, 2141 is the semicircle orifice, 215 is the rubber circle.

Detailed Description

The invention will be further described with reference to the following specific embodiments:

referring to fig. 1 to 3, a waterproof transformer includes a housing 1, a waterproof cover 2 and an iron core 12, the iron core 12 is disposed in the housing 1, the iron core 12 is disposed with two connection terminals 121, the two connection terminals 121 extend out of the housing 1, the waterproof cover 2 is disposed on the housing 1 and covers the two connection terminals 121, the waterproof cover 2 includes two waterproof half shells 21 symmetrical to each other, a plug 211 and a slot 212 are formed on opposite sides of each of the two waterproof half shells 21, the two waterproof half shells 21 are connected by inserting the plug 211 and the slot 212, two waterproof buckles 2131 are respectively hinged on left and right sides of bottoms of the two waterproof half shells 21, buckles of the two waterproof half shells 21 located on the same side are mutually attached to form a combined buckle 213 when the two waterproof half shells 21 are connected, two through holes 11 are opened on the housing 1, and a clamping hook 111 is formed in the two through holes 11, the clamping hooks 111 are hollow, the two clamping hooks 111 are respectively in clamping fit with the synthetic buckles 213 to fix the two waterproof half shells 21 on the shell 1, and the two waterproof half shells 21 are made of elastic plastics to push the waterproof buckles 2131 to approach and leave the two clamping hooks 111 by extruding the waterproof half shells 21; the opposite sides of the two waterproof half shells 21 are respectively opened with a semicircular hole 2141 so that when the two waterproof half shells 21 are connected with each other, the two semicircular holes 2141 are mutually matched to respectively form a wire hole 214 for passing through the electric wires connected with the two connection terminals 121, meanwhile, the two wire holes 214 are sleeved with a rubber ring 215, and the cross section of the rubber ring 215 is in an H-shaped structure.

The present embodiment further includes a boss 13, and the boss 13 is formed on the casing 1 and surrounds the opening of the casing 1 to prevent water from flowing in from the contact between the waterproof cover 2 and the casing 1.

The waterproof cover 2 is made of epoxy resin. The waterproof cover 2 is of a cuboid structure or a hemispheroid structure.

In this embodiment, when installing the waterproof cover 2, the pin 211 and the slot 222 of the two waterproof half shells 21 are aligned with each other, then the two waterproof half shells 21 are butted to make the waterproof buckles 2131 fit with each other to form the synthetic buckle 213, meanwhile, the rubber ring 215 is firstly sleeved on the wire, then the rubber ring 215 is sleeved on one of the half round holes 2141, after the two waterproof half shells 21 are connected, the rubber ring 215 is installed on the wire guide hole 214, so that the two waterproof half shells 21 are synthesized into the waterproof cover 2, then the waterproof cover 2 is installed on the shell 1 in a downward moving manner, specifically, the synthetic buckle 213 is fixed to the clamping hook 111 in a mutually buckled manner under the elastic action.

When the waterproof cover 2 is detached in this way, the waterproof cover 2 is pressed inward, and the synthetic hook 213 is separated from the locking hook 111 by the elastic action, thereby detaching the waterproof cover.

The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to limit the present invention in any way. Those skilled in the art can make further changes and modifications to the invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention. Therefore, the content of the technical scheme of the utility model, according to the equivalent change made by the idea of the utility model, should be covered in the protection scope of the utility model.

Claims

1. The utility model provides a waterproof mutual-inductor which characterized in that: including casing (1), buckler (2) and iron core (12), iron core (12) set up in casing (1), this iron core (12) are provided with two binding post (121), two binding post (121) extend to outside casing (1), buckler (2) set up in on casing (1) and cover two binding post (121), this buckler (2) include two preceding back symmetry waterproof half shell (21), two waterproof half shell (21) are formed with bolt (211) and slot (212) respectively on its opposite side, through the cooperation of inserting between bolt (211) and slot (212) in order to realize two waterproof half shell (21) are connected, two the left and right sides of waterproof half shell (21) bottom articulates respectively has two waterproof buckle (2131), and the buckle that lies in same side two waterproof half shell (21) laminates mutually when two waterproof half shell (21) are connected constitutes a synthetic buckle (213), the shell (1) is provided with two through holes (11), clamping hooks (111) are formed in the two through holes (11), the clamping hooks (111) are hollow, the two clamping hooks (111) are respectively in clamping fit with the synthetic buckle (213) to fix the two waterproof half shells (21) on the shell (1), and the two waterproof half shells (21) are made of elastic plastics to push the waterproof buckle (2131) to approach and leave the two clamping hooks (111) by extruding the waterproof half shells (21); two it has semicircle orifice (2141) to open respectively on waterproof half shell (21) opposite side in order to constitute wire guide (214) respectively in two halves of round orifice (2141) mutually support when two waterproof half shells (21) interconnect and pass through for the electric wire that two binding post (121) are connected, and the cover is equipped with rubber circle (215) on two wire guide (214) simultaneously, rubber circle (215) cross section is H shape structure.

2. The waterproof transformer according to claim 1, characterized in that: the waterproof structure is characterized by further comprising a boss (13), wherein the boss (13) is formed on the shell (1) and arranged at the opening of the shell (1) in a surrounding mode so as to prevent water from flowing into the contact position between the waterproof cover (2) and the shell (1).

3. The waterproof transformer according to claim 1, characterized in that: the waterproof cover (2) is made of epoxy resin.

4. The waterproof transformer according to claim 1, characterized in that: the waterproof cover (2) is of a cuboid structure or a hemispheroid structure.