Anti-falling flow divider
By designing a clamping structure with left and right clamping components and springs, the problem of the shunt easily falling off during use was solved, achieving stable clamping of the wire and accurate measurement.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-03-20
AI Technical Summary
The shunt is prone to falling off during use because the thin wire is not securely clamped, causing inconvenience.
A shunt including left and right clamping components was designed. By using the cooperation of left and right clamping blocks and springs, the wire is stably clamped by applying force by pushing the clamping blocks, and further fixed by clamping bolts to increase the contact area and friction to improve stability.
It achieves stable clamping of the wires, preventing the shunt from falling out of the circuit, and improving the convenience of use and the accuracy of measurement.
Smart Images
Figure CN224019892U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of anti-falling shunt. BACKGROUND
[0002] Shunt is a kind of instrument for measuring direct current, according to the principle that voltage is generated at both ends of resistance when direct current passes through resistance, generally used to enlarge the fixed value low resistance of electric current range, specifically, when large current needs to be measured, direct measurement with instrument can exceed instrument range or lead to inaccurate measurement, at this time, shunt can be connected in parallel in circuit, it has very small and known resistance value, a part of large current flowing through main circuit will pass through shunt, according to Ohm's law, the actual current size flowing through can be calculated by measuring the small voltage drop generated at both ends of shunt.
[0003] And in the process of connecting shunt into circuit, two small lead-out wires or test points are usually present at both ends of shunt, fine wire is used to connect the two points to the input end of millivoltmeter or multimeter respectively, so as to read voltage value, but if fine wire cannot be stably clamped, it is easy to fall off in use, which leads to shunt being separated from circuit and causes inconvenience to use. SUMMARY
[0004] In view of the deficiencies in the prior art, the utility model aims to provide a kind of anti-falling shunt for clamping wiring.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: including body and insulating pad, the body includes left base, right base and manganese copper sheet between left base and right base, the insulating pad is below the body, further including left clamping assembly on left base and right clamping assembly on right base, left wiring slot is provided on the left base, the left clamping assembly includes left clamping block, right clamping block and left slide rod fixed with left clamping block, right slide rod fixed with right clamping block, the left base is provided with left sliding groove and right sliding groove corresponding to left slide rod and right slide rod respectively, the left base is provided with left spring and right spring in left sliding groove and right sliding groove respectively, the left spring is sleeved with left slide rod, one end is fixed with left base, the other end is fixed with left slide rod, the right spring is sleeved with right slide rod, one end is fixed with left base, the other end is fixed with right slide rod.
[0006] The utility model is further provided as follows: the left clamping assembly and the right clamping assembly are same, the left clamping block and the right clamping block are provided with access port, the left clamping block is circumferentially protruding and provided with a plurality of contact protrusions at access port.
[0007] The utility model further sets up: still include the compression bolt, the left base is located left wire slot front side is provided with the compression groove, the compression bolt is with the compression groove screw thread cooperation, the left base is located between the compression groove and left wire slot is provided with the passageway.
[0008] The utility model further sets up: the manganese copper piece includes a plurality of upper connecting sections and lower connecting sections, each upper connecting section is arranged in an arc shape with an opening facing downward, and each lower connecting section is arranged in an arc shape with an opening facing upward between the corresponding upper connecting sections.
[0009] The utility model further sets up: still include the heat dissipation pad in the body top, the heat dissipation pad includes the mounting seat and a plurality of heat dissipation fins on the mounting seat.
[0010] The utility model further sets up: each heat dissipation fin includes a plurality of first connecting plates and second connecting plates, each first connecting plate is inclined from front to back and from left to right, and each second connecting plate is located between adjacent first connecting plates and is inclined from front to back and from right to left.
[0011] The utility model further sets up: the left and right sides of the mounting seat are provided with connecting strips, the left base is provided with a connecting groove for inserting the connecting strips, and the left base includes a limiting plug located at the rear side of the connecting groove and abutting against the connecting strips.
[0012] By adopting the above technical scheme, pushing the left clamping block can drive the left sliding rod to enter the left sliding slot, and pushing the right clamping block can drive the right sliding rod to enter the right sliding slot. Therefore, when wiring is needed to realize the installation of the shunt into the circuit, the wires can fall between the left and right clamping blocks by applying a mutual force away from each other to the left and right clamping blocks. At this time, due to the elastic force of the left and right springs, the left clamping block will be subjected to a rightward force and the right clamping block will be subjected to a leftward force, so that the two can approach each other to clamp the wires and facilitate the installation of the wires into the shunt. When the wires need to be taken out from the left base, the left clamping block drives the left sliding rod to slide leftward to compress the spring, and the right clamping block drives the right sliding rod to slide rightward to compress the right spring, so that the wires between the left and right clamping blocks can be taken out. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings described below are only some of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0014] Figure 1 The assembly drawing of the present application is described in detail.
[0015] Figure 2 The exploded view of the present application is described in detail.
[0016] Figure 3 The cross-sectional view of the present application is described in detail.
[0017] Figure 4 The Figure 2 The enlarged view of A in the figure is described in detail.
[0018] Figure 5 The Figure 3 The enlarged view of B in the figure is described in detail.
[0019] In the figure: 1-body, 11-left base, 111-left wiring slot, 112-left sliding slot, 113-right sliding slot, 114-left spring, 115-right spring, 116-pressing slot, 117-channel, 118-limiting plug, 12-right base, 121-right wiring slot, 122-connection slot, 13-manganese copper sheet, 131-upper connection section, 132-lower connection section;
[0020] 2-insulating pad;
[0021] 3-left clamping assembly, 31-left clamping block, 311-connection port, 312-contact protrusions, 32-right clamping block, 33-left sliding rod, 34-right sliding rod;
[0022] 4-right clamping assembly;
[0023] 5-heat dissipation pad, 51-mounting seat, 511-connection strip, 52-heat dissipation fin, 521-first connection plate, 522-second connection plate. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present application will be described in detail below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0025] AsFigures 1-5 The utility model discloses a kind of anti-falling shunts, including body 1 and insulating pad 2, the body 1 includes left baseplate 11, right baseplate 12 and the manganese copper sheet 13 between left baseplate 11 and right baseplate 12, the insulating pad 2 is located below body 1, further include left clamping assembly 3 on left baseplate 11 and right clamping assembly 4 on right baseplate 12, left wiring groove 111 is provided on the left baseplate 11, the left clamping assembly 3 includes left clamping block 31, right clamping block 32 and with the left clamping block 31 fixed left slide rod 33, with the right clamping block 32 fixed right slide rod 34, the left baseplate 11 correspondingly left slide rod 33 and right slide rod 34 are respectively provided with left sliding groove 112 and right sliding groove 113, the left baseplate 11 is located in left sliding groove 112 and right sliding groove 113 respectively left spring 114 and right spring 115 are provided, left spring 114 is set left slide rod 33 and one end is fixed with left baseplate 11 by welding etc., the other end is fixed with left slide rod 33 by welding etc., right spring 115 is set right slide rod 34 and one end is fixed with left baseplate 11 by welding etc., the other end is fixed with right slide rod 34 by welding etc., since pushing left clamping block 31 can drive left slide rod 33 to enter left sliding groove 112 to left, and similarly push right clamping block 32 can drive right slide rod 34 to enter right sliding groove 113, therefore when needing to be wired and thus realizing shunt is loaded into circuit, at this time, by exerting the force of mutual repulsion to left clamping block 31 and right clamping block 32, wire can be made to fall into between left clamping block 31 and right clamping block 32, at this time, since the elastic force of left spring 114 and right spring 115 existing in itself makes left clamping block 31 will be subjected to the force to right and right clamping block 32 will be subjected to the force to left, therefore, two can be mutually close and realize the clamping of wire and provide convenience for wire loading into shunt, and when needing to take out wire from left baseplate 11, at this time, by exerting the force of mutual repulsion to left clamping block 31 and right clamping block 32, left clamping block 31 drives left slide rod 33 to left sliding compression left spring 114, right clamping block 32 to right and drive right slide rod 34 to right sliding compression right spring 115, and wire between left clamping block 31 and right clamping block 32 is taken out.
[0026] The left clamping assembly 3 is identical to the right clamping assembly 4, the left clamping block 31 and the right clamping block 32 are provided with an access port 311, the left clamping block 31 is provided with a plurality of contact protrusions 312 in the circumferential direction of the access port 311, the right clamping block 32 is identical in shape and size to the left clamping block 31, and because the left clamping block 31 is provided with a plurality of contact protrusions 312 in the circumferential direction of the access port 311, after the wire is loaded into the access port 311 between the left clamping block 31 and the right clamping block 32, the left and right sides of the wire will be in contact with the contact protrusions 312 on the left clamping block 31 and the right clamping block 32 respectively, thereby increasing the contact area and friction between the left clamping block 31, the right clamping block 32 and the wire, and improving the stability of the wire between the left clamping block 31 and the right clamping block 32.
[0027] The left base 11 is provided with a pressing groove 116 on the front side of the left wire slot 111, the pressing bolt is threadedly connected with the pressing groove 116, and the left base 11 is provided with a passage 117 between the pressing groove 116 and the left wire slot 111. After the wire is loaded between the left clamping block 31 and the right clamping block 32, the wire passes through the passage 117 and falls into the pressing groove 116, and then the pressing bolt is rotated to move downward to press the wire, thereby further improving the stability of the wire between the left clamping assembly 3 and the right clamping assembly 4.
[0028] Preferably, the manganese copper sheet 13 includes a plurality of upper connecting segments 131 and lower connecting segments 132, each upper connecting segment 131 is arranged in an arc shape with the opening facing downward, and each lower connecting segment 132 is arranged in an arc shape with the opening facing upward between the corresponding upper connecting segments 131. The arc arrangement of the upper connecting segments 131 and the lower connecting segments 132 increases the area compared to the flat sheet-shaped manganese copper sheet 13. Since the manganese copper sheet 13 has a low resistivity, increasing its area can further reduce the resistance. Specifically, according to Ohm's law V=IR, in the case of constant current I, the reduction of R will result in the reduction of voltage drop V, which means that under the premise of the same length, the manganese copper sheet 13 with a larger area can provide a lower voltage drop when the same current passes through, thereby improving the efficiency. Moreover, since heat is generated during current conduction, the manganese copper sheet 13 with a larger area can dissipate the heat through a wider surface.
[0029] Further, the heat dissipation pad 5 is arranged above the body 1, the heat dissipation pad 5 comprises a mounting base 51 and a plurality of heat dissipation fins 52 arranged on the mounting base 51, the manganese copper sheet 13 is inserted into the bottom of the mounting base 51, and the heat dissipation fins 52 arranged on the heat dissipation pad 5 above the body 1 can improve the heat dissipation efficiency of the heat generated during the operation of the shunt, so that the heat inside can be transmitted to the external environment more quickly.
[0030] Preferably, each of the heat dissipation fins 52 comprises a plurality of first connecting plates 521 and second connecting plates 522, each of the first connecting plates 521 is arranged from front to back and from left to right, each of the second connecting plates 522 is arranged between adjacent first connecting plates 521 and is arranged from front to back and from right to left, the staggered heat dissipation fins 52 can effectively increase the heat dissipation surface area and make the whole structure compact without occupying more installation space.
[0031] The left and right sides of the mounting base 51 are provided with connecting strips 511, the left base 11 is provided with connecting grooves 122 for the connecting strips 511, and the left base 11 comprises a limiting plug 118 arranged at the rear side of the connecting groove 122 and abutting against the connecting strip 511, because the left base 11 is provided with the limiting plug 118 at the rear side of the connecting groove 122, during the process of arranging the heat dissipation pad 5 above the body 1, the connecting strips 511 are arranged from front to back on the left and right sides of the mounting base 51 and enter the corresponding connecting grooves 122, the connecting strips 511 are arranged from front to back in the connecting grooves 122 to guide the connecting plates to be arranged above the body 1, and when the rear side of the connecting strip 511 abuts against the limiting plug 118, the position of the mounting base 51 on the body 1 is determined, and the mounting base 51 and the body 1 are conveniently fixed.
[0032] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A shunt device for preventing detachment, comprising a body and an insulating pad, the body comprising a left base, a right base, and a manganese-copper sheet located between the left base and the right base, the insulating pad being located below the body, characterized in that: It also includes a left clamping assembly located on the left base and a right clamping assembly located on the right base. The left base is provided with a left wiring groove. The left clamping assembly includes a left clamping block, a right clamping block, a left slide rod fixed to the left clamping block, and a right slide rod fixed to the right clamping block. The left base is provided with a left sliding groove and a right sliding groove corresponding to the left slide rod and the right slide rod, respectively. A left spring and a right spring are respectively provided in the left sliding groove and the right sliding groove on the left base. The left spring is sleeved on the left slide rod and one end is fixed to the left base and the other end is fixed to the left slide rod. The right spring is sleeved on the right slide rod and one end is fixed to the left base and the other end is fixed to the right slide rod.
2. The anti-detachment shunt according to claim 1, characterized in that: The left clamping assembly is the same as the right clamping assembly. Both the left clamping block and the right clamping block are provided with an inlet. The left clamping block has several contact protrusions protruding circumferentially from the inlet.
3. A shunt device for preventing detachment according to claim 1 or 2, characterized in that: It also includes a clamping bolt, and the left base is provided with a clamping groove on the front side of the left wiring groove. The clamping bolt is threaded into the clamping groove, and the left base is provided with a channel between the clamping groove and the left wiring groove.
4. The anti-detachment shunt according to claim 1, characterized in that: The manganese copper sheet includes several upper connecting sections and lower connecting sections. Each upper connecting section is arranged in an arc shape with its opening facing downwards, and each lower connecting section is located between the corresponding upper connecting sections and is arranged in an arc shape with its opening facing upwards.
5. A shunt device for preventing detachment according to claim 4, characterized in that: It also includes a heat dissipation pad located above the body, the heat dissipation pad including a mounting base and a plurality of heat dissipation fins located on the mounting base.
6. A shunt device for preventing detachment according to claim 5, characterized in that: Each of the heat dissipation fins includes a plurality of first connecting plates and second connecting plates. Each first connecting plate is inclined from front to back and from left to right. Each second connecting plate is located between adjacent first connecting plates and is inclined from front to back and from right to left.
7. A shunt device for preventing detachment according to claim 5, characterized in that: Connecting strips are provided on both the left and right sides of the mounting base. A connecting groove for inserting the connecting strip is provided on the left base. The left base includes a limiting block located behind the connecting groove and abutting against the connecting strip.