Locking structure of current transformer

Abstract

The utility model discloses a locking structure of a current transformer, which relates to the technical field of current transformers, solves the problem that the use range of the current transformer is small due to the fact that a separation frame for separating lines limits the use range of the current transformer, and comprises a transformer structure which comprises a lower part and an upper part, the upper end of the lower part is provided with the upper part, the lower part is rotationally connected with the upper part through a hinge seat, the locking structure is used for locking a wire, and the locking structure is arranged on the inner sides of the lower part and the upper part; according to the utility model, through the installation of the locking structure, the device is not only suitable for the condition that the end part of a wire is fixed, but also suitable for the condition that the end part of the wire is not fixed, the application range is wide, through the triangular pressing block and the spring, the wire can be conveniently clamped between the semi-arc clamping plate I and the semi-arc clamping plate II, and the wire can be clamped and locked; and the lead is prevented from shaking inside the mutual inductor structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to current transformer technical field, concretely is a locking structure of current transformer. BACKGROUND

[0002] Current transformer is the instrument that will be converted into secondary side small current from primary side big current according to electromagnetic induction principle. In order to avoid that line shakes in the inside of mutual inductor, locking mechanism will be installed on current transformer in the use process of existing current transformer.

[0003] The current transformer with locking mechanism, by setting fixed groove, fixed block, partition frame and the cooperation of partition hole, can be inserted into the partition hole of the partition frame when the line is inserted, which is convenient for separating the line, and also avoids the entanglement between the lines, and the partition frame is connected with the current transformer by clamping connection, which is convenient for installation and disassembly.

[0004] The current transformer with locking mechanism in the use process needs to pass through the partition hole on the partition frame, and when the two ends of the line are in a fixed state, the current transformer cannot be installed on the outside of the line, so that the partition frame for separating the line limits the use range of the current transformer, resulting in that the use range of the current transformer is small. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a locking structure of current transformer convenient for threading, which can solve the problems in the above background technology.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a locking structure of current transformer, including mutual inductor structure, the mutual inductor structure includes lower part, the upper end of lower part is installed with upper part, and the lower part is rotatably connected with the upper part through hinged seat, further including locking structure, for locking wire, the locking structure is installed in the inner side of lower part and upper part;Triangular pressing block, for driving the locking structure to close, the triangular pressing block is installed in the inner side of upper part;Connecting assembly, for connecting the opening end of lower part and upper part, the connecting assembly is installed in the one end of lower part away from hinged seat.

[0007] Preferably, the locking structure includes a positioning seat fixedly connected to the lower housing, the cross-sectional shape of the positioning seat is rectangular, and a plurality of semicircular clamping plates are fixedly installed on the upper end of the positioning seat at equal distances.

[0008] Preferably, the inside of the positioning seat is movably provided with a movable plate capable of moving left and right, the upper end of the movable plate is fixedly provided with an equal number of semicircular clamping plates two through a connecting block, and the shape of the semicircular clamping plate one and the semicircular clamping plate two when closed is a circular pipe.

[0009] Preferably, the triangular pressing block is movably abutted with one of the semicircular clamping plates two located at the leftmost side, the triangular pressing block is fixedly connected with the upper shell, and the right end of the movable plate is movably abutted with a spring.

[0010] Preferably, the end of the spring away from the movable plate is movably abutted with the positioning seat, the spring can drive the movable plate to move, and the outside of the semicircular clamping plate one is fixedly provided with a reinforcing rib one.

[0011] Preferably, the connecting mode between the reinforcing rib one and the positioning seat is fixed connection, and the outside of the semicircular clamping plate two is fixedly provided with two symmetrically distributed reinforcing ribs two.

[0012] Preferably, the connecting mode between the reinforcing rib two and the positioning seat is sliding contact, and the inside of the semicircular clamping plate one and the semicircular clamping plate two is fixedly embedded with anti-skid washers made of rubber.

[0013] Preferably, the connecting assembly comprises a lock hook movably embedded in the left end of the lower part, the upper end of the lock hook is provided with an anti-skid groove, and the inside of the lock hook and close to the lower end thereof is fixedly penetrated with a positioning shaft.

[0014] Preferably, the lock hook is rotatably connected with the lower part through the positioning shaft, the outside of the positioning shaft is fixedly sleeved with two symmetrically distributed coil springs, the coil springs can drive the lock hook to rotate, and the outside end of the coil spring is fixedly connected with the lower part.

[0015] Preferably, the upper part is provided with a blocking strip corresponding to the lock hook, the cross-sectional shape of the blocking strip is semicircular, and the connecting mode between the lock hook and the blocking strip is movably abutted.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1、The utility model discloses a locking structure is installed, and the semicircular clamping plate one and the semicircular clamping plate two in locking structure can open, and the wire is conveniently clamped between the semicircular clamping plate one and the semicircular clamping plate two, is suitable for the situation of wire end fixed, is suitable for the situation of wire end not fixed, and the use range is wider.

[0018] 2, the utility model discloses a triangular briquetting and spring, when upper and lower rotation closes, can drive multiple semicircular clamping plate two to move through triangular briquetting, be favorable to semicircular clamping plate one and semicircular clamping plate two automatic closing, when upper rotation opens, semicircular clamping plate one and semicircular clamping plate two open automatically under the drive of spring, both can be clamped and locked to lead wire, avoid lead wire to sway in the inside of mutual inductor structure. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is whole schematic diagram for the utility model;

[0020] Figure 2 It is mutual inductor structure closed state for the utility model;

[0021] Figure 3 It is the side sectional schematic diagram of connecting assembly for the utility model;

[0022] Figure 4 It is whole schematic diagram of connecting assembly for the utility model;

[0023] Figure 5 It is locking structure side sectional schematic diagram for the utility model;

[0024] Figure 6 It is locking structure split schematic diagram for the utility model.

[0025] In the drawing: 1, mutual inductor structure;101, lower part;102, upper part;103, hinged seat;2, locking structure;201, positioning seat;202, semicircular clamping plate one;203, movable plate;204, semicircular clamping plate two;205, spring;206, reinforcing rib one;207, reinforcing rib two;208, antiskid washer;3, triangular briquetting;4, connecting assembly;401, lock hook;402, positioning shaft;403, coil spring;5, baffle. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be apparently and completely described in conjunction with the drawings of the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts belong to the range of protection of the utility model.

[0027] Embodiment one

[0028] Please refer to Figure 1 , Figure 2, the locking structure of the current transformer is shown in the drawing, which comprises a transformer structure 1, the transformer structure 1 comprises a lower part 101, the upper end of the lower part 101 is provided with an upper part 102, and the lower part 101 is rotationally connected with the upper part 102 through a hinge seat 103, further comprises a locking structure 2 for locking the wire, the locking structure 2 is installed on the inner side of the lower part 101 and the upper part 102; a triangular pressing block 3 for driving the locking structure 2 to close, the triangular pressing block 3 is installed on the inner side of the upper part 102; a connecting assembly 4 for connecting the opening end of the lower part 101 and the upper part 102, the connecting assembly 4 is installed on the end of the lower part 101 away from the hinge seat 103.

[0029] Please refer to Figure 6 , the locking structure 2 comprises a positioning seat 201 fixedly connected with the shell of the lower part 101, the cross-sectional shape of the positioning seat 201 is rectangular, a plurality of semicircular arc clamping plates one 202 are fixedly installed on the upper end of the positioning seat 201 in equal distance distribution, a movable plate 203 capable of moving left and right is movably installed in the inside of the positioning seat 201, a plurality of semicircular arc clamping plates two 204 equal in number to the semicircular arc clamping plates one 202 are fixedly installed on the upper end of the movable plate 203 through a connecting block, and the shape of the semicircular arc clamping plates one 202 and the semicircular arc clamping plates two 204 when closed is a circular pipe shape.

[0030] Please refer to Figure 6 The connecting mode between the reinforcing rib one 206 and the positioning seat 201 is fixed connection, two reinforcing ribs two 207 symmetrically distributed are fixedly installed on the outside of the semicircular arc clamping plates two 204, the connecting mode between the reinforcing ribs two 207 and the positioning seat 201 is sliding contact, and the inside of the semicircular arc clamping plates one 202 and the semicircular arc clamping plates two 204 is fixedly embedded with anti-skid washers 208, the anti-skid washers 208 are made of rubber.

[0031] The working principle of the locking structure of the current transformer is convenient to thread: after the personnel rotate to open the upper part 102 of the transformer structure 1, the semicircular arc clamping plates one 202 and the semicircular arc clamping plates two 204 in the locking structure 2 are in an open state, the personnel can easily insert the wire between the semicircular arc clamping plates one 202 and the semicircular arc clamping plates two 204, the semicircular arc clamping plates one 202 and the semicircular arc clamping plates two 204 can be opened, which is suitable for the case that the wire end is fixed, and also suitable for the case that the wire end is not fixed, so that the current transformer with the locking structure 2 has a wide range of use.

[0032] Example two

[0033] Please refer to Figure 2 , Figure 5The embodiment is further illustrated with respect to the first embodiment. The triangular pressing block 3 is in movable abutment with the leftmost semicircular clamping plate two 204. The triangular pressing block 3 is fixedly connected to the outer shell of the upper portion 102. The right end of the movable plate 203 is in movable abutment with a spring 205. The end of the spring 205 away from the movable plate 203 is in movable abutment with the positioning seat 201. The spring 205 can drive the movable plate 203 to move. The outer side of the semicircular clamping plate one 202 is fixedly provided with a reinforcing rib one 206.

[0034] In the embodiment, after the personnel clamps the wire between the semicircular clamping plate one 202 and the semicircular clamping plate two 204, the personnel rotates the upper portion 102 to close the upper portion 102 and the lower portion 101. In the process of closing the upper portion 102 and the lower portion 101, the triangular pressing block 3 fixedly connected to the outer shell of the upper portion 102 extrudes the leftmost semicircular clamping plate two 204, which pushes the plurality of semicircular clamping plate two 204 to the right through the arc-shaped edge of the semicircular clamping plate two 204. When the upper portion 102 and the lower portion 101 are completely closed, the semicircular clamping plate one 202 and the semicircular clamping plate two 204 are also completely closed, so that the rubber anti-skid pad 208 is in close contact with the outer wall of the wire. The semicircular clamping plate one 202 and the semicircular clamping plate two 204 are automatically opened and closed under the rotation of the upper portion 102, which not only facilitates the clamping of the wire between the semicircular clamping plate one 202 and the semicircular clamping plate two 204, but also clamps and locks the wire to prevent the wire from shaking inside the mutual inductor structure 1.

[0035] Embodiment three

[0036] Please refer to Figure 3 , Figure 4 The embodiment is further illustrated with respect to other embodiments. The connecting assembly 4 comprises a lock hook 401 movably embedded in the left end of the lower portion 101. The upper end of the lock hook 401 is provided with an anti-skid groove. The inside of the lock hook 401 and close to the lower end thereof is fixedly penetrated by a positioning shaft 402. The lock hook 401 is rotatably connected to the lower portion 101 through the positioning shaft 402. The outer side of the positioning shaft 402 is fixedly sleeved with two symmetrical coil springs 403. The coil springs 403 can drive the lock hook 401 to rotate. The outer side end of the coil springs 403 is fixedly connected to the lower portion 101.

[0037] Please refer to Figure 3 The upper portion 102 is provided with a blocking strip 5 corresponding to the lock hook 401. The cross-sectional shape of the blocking strip 5 is semicircular. The connection mode between the lock hook 401 and the blocking strip 5 is movable abutment.

[0038] In the embodiment, during the rotation closing of the upper part 102, the blocking strip 5 abuts against the inclined part of the hook 401, and drives the hook 401 to rotate through the inclined part, when the upper part 102 and the lower part 101 are completely closed, the hook 401 is driven to rotate by the coil spring 403, hooks the upper end of the blocking strip 5, and can prevent the upper part 102 from being opened, when the upper part 102 needs to be opened, the personnel only need to rotate the hook 401 through the anti-skid groove of the hook 401.

[0039] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action without necessarily requiring or implying such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0040] Although the embodiments of the present application have been shown and described, it is to be understood that various changes- modifications- substitutions and alterations can be made therein without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A locking structure of a current transformer, comprising a transformer structure (1), the transformer structure (1) comprising a lower part (101), an upper part (102) being mounted at an upper end of the lower part (101), and the lower part (101) being rotationally connected with the upper part (102) through a hinge seat (103), characterized in that, Also includes: Locking structure (2) for locking the wire, the locking structure (2) is installed in the inner side of the lower part (101) and the upper part (102); Triangular pressing block (3) for driving the locking structure (2) to close, the triangular pressing block (3) is installed in the inner side of the upper part (102); Connecting assembly (4) for connecting the opening end of the lower part (101) and the upper part (102), the connecting assembly (4) is installed at one end of the lower part (101) away from the hinge seat (103).

2. The locking structure of a current transformer according to claim 1, characterized in that: The locking structure (2) includes a positioning seat (201) fixedly connected with the lower part (101) shell, a plurality of semicircular arc clamping plates one (202) are fixedly installed at the upper end of the positioning seat (201).

3. The locking structure of a current transformer according to claim 2, characterized in that: The inside of the positioning seat (201) movably installs the movable plate (203) capable of moving left and right, the upper end of the movable plate (203) is fixedly installed with a plurality of semicircular arc clamping plates two (204) equal in number with the semicircular arc clamping plates one (202) through a connecting block.

4. The locking structure of a current transformer according to claim 3, characterized in that: The triangular pressing block (3) is movably connected with the semicircular arc clamping plate two (204) located at the leftmost side, and the right end of the movable plate (203) movably abuts against the spring (205).

5. The locking structure of a current transformer according to claim 4, characterized in that: The end of the spring (205) away from the movable plate (203) movably abuts against the positioning seat (201), and the outer side of the semicircular arc clamping plate one (202) is fixedly installed with a reinforcing rib one (206).

6. The locking structure of a current transformer according to claim 5, wherein: The connecting mode between the reinforcing rib one (206) and the positioning seat (201) is fixed connection, and the outer side of the semicircular arc clamping plate two (204) is fixedly installed with two symmetrically distributed reinforcing ribs two (207).

7. The locking structure of a current transformer according to claim 6, characterized in that: The connecting mode between the reinforcing rib two (207) and the positioning seat (201) is sliding contact, and the inner sides of the semicircular arc clamping plate one (202) and the semicircular arc clamping plate two (204) are fixedly embedded with anti-skid washers (208).

8. The locking structure of a current transformer according to claim 1, characterized in that: The connecting assembly (4) includes a lock hook (401) movably embedded in the left end of the lower part (101), and a positioning shaft (402) is fixedly penetrated in the inner side of the lock hook (401) and close to the lower end thereof.

9. The locking structure of a current transformer according to claim 8, characterized in that: The lock hook (401) is rotatably connected with the lower part (101) through the positioning shaft (402), the outer side of the positioning shaft (402) is fixedly sleeved with two symmetrically distributed coil springs (403), and the outer side end of the coil spring (403) is fixedly connected with the lower part (101).

10. The locking structure of a current transformer according to claim 9, wherein: A blocking bar (5) is installed on the upper part (102) corresponding to the lock hook (401), and the connecting mode between the lock hook (401) and the blocking bar (5) is movably abutting.

Images