Fixing structure for thermosensitive wire routing and motor assembly with fixing structure

Abstract

The utility model relates to the field of motors, in particular to a thermosensitive wire routing fixing structure and a motor assembly with the fixing structure, which comprise a flat cable fixing mechanism arranged in a junction box or / and a routing fixing mechanism arranged on a wire holder. The flat cable fixing mechanism comprises a flat cable bulge arranged in the junction box; the wiring fixing mechanism comprises an extrusion bulge arranged on the wire holder; according to the fixing structure disclosed by the utility model, the thermosensitive wire can be fixed and limited in the junction box; the stability and the accuracy of the arrangement of the thermosensitive wires in the junction box are ensured, and the disordered arrangement of the thermosensitive wires in the junction box is avoided; and the fatigue fracture of the thermosensitive wire caused by vibration in the operation process of the motor is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor field, concretely is a kind of fixed structure for heat-sensitive wire wiring and the motor assembly with the fixed structure of this. BACKGROUND

[0002] The installation and function of the current automobile driving motor thermal resistance are basically the same, the thermal resistance can change resistance value along with temperature change, it can convert temperature signal into electric signal, real-time monitoring the temperature inside motor, judge whether the temperature inside motor is overproof, to take corresponding measures to protect motor.

[0003] The installation of existing thermal resistance is directly from the small hole above stator coil package into terminal box, it is not easy to operate in actual production assembly, and can only pass through from small hole, threading difficulty is greater.

[0004] In addition, the traditional heat-sensitive wire lacks good fixing mode, has great defect in production, service life.

[0005] These defects can cause customer complaints, after-sales failure rate and other problems, thereby causing direct economic loss to enterprise.

[0006] Existing patent 202222608534.5-a flat wire motor thermal resistance fixing structure discloses a kind of thermal resistance fixing structure, but it does not limit the threading mode and wire arranging mode of heat-sensitive wire.

[0007] Therefore, in order to improve or solve at least one of the above problems, it is necessary to optimize the design of existing motor structure. INVENTION CONTENTS

[0008] The purpose of the utility model is to provide a kind of fixed structure that can limit the installation position of heat-sensitive wire in terminal box.

[0009] In order to achieve the above purpose, the technical scheme adopted by the utility model is:

[0010] A kind of fixed structure for heat-sensitive wire wiring, including the wire arranging fixed mechanism of being arranged in terminal box or / and the wiring fixed mechanism of being arranged on terminal seat;

[0011] The wire arranging fixed mechanism includes wire arranging protrusion arranged in terminal box;

[0012] The wiring fixed mechanism includes extrusion protrusion arranged on terminal seat.

[0013] The wire arranging fixed mechanism includes at least two wire arranging protrusions arranged in terminal box;Adjacent wire arranging protrusions are spaced distribution.

[0014] At least one wire arranging protrusion is arranged close to terminal seat.

[0015] The outer side of the rowing protrusion is arc-shaped.

[0016] The extrusion protrusion and the terminal block and the rowing protrusion and the terminal box are connected in a detachable or fixed connection mode.

[0017] A motor assembly comprises a stator winding, a terminal box, a terminal block and a fixing structure for the thermosensitive wire rowing;

[0018] The thermosensitive wire is led out from the stator winding and arranged through the terminal box.

[0019] The terminal box comprises a terminal box body, wherein a three-phase wire outlet hole is arranged on the terminal box body, and the thermosensitive wire is arranged into the terminal box through the three-phase wire outlet hole.

[0020] The extrusion protrusion in the fixing structure is connected to the terminal block and extends from the terminal block to the side close to the axis of the three-phase wire outlet hole, and the extrusion protrusion extrudes the thermosensitive wire arranged from the three-phase wire outlet hole.

[0021] The utility model discloses the advantages are in:

[0022] The utility model discloses a fixing structure for thermosensitive wire rowing and a motor assembly with the fixing structure.

[0023] The fixing structure can realize the fixation and limitation of the thermosensitive wire in the terminal box, guarantee the stability and accuracy of the arrangement of the thermosensitive wire in the terminal box, avoid the disorder of the arrangement of the thermosensitive wire in the terminal box and avoid the fatigue fracture of the thermosensitive wire caused by the vibration during the operation of the motor.

[0024] Meanwhile, the utility model discloses the thermosensitive wire is arranged from the three-phase wire outlet hole, reduces the trouble that needs to set up the threading small hole additionally in the traditional terminal box and avoids the threading trouble problem caused by the too small size of the traditional threading small hole. BRIEF DESCRIPTION OF DRAWINGS

[0025] The contents expressed by each drawing of the utility model specification and the marks in the drawing are briefly explained as follows:

[0026] Figure 1 It is the structure schematic view of the thermosensitive wire in the terminal box and the terminal block in the utility model motor assembly

[0027] Figure 2 It is the structure schematic view of the thermosensitive wire in the terminal box in the utility model motor assembly

[0028] Figure 3 It is the structure schematic view of the terminal block in the utility model motor assembly

[0029] The marks in the above drawing are all:

[0030] 1, wire arrangement fixing mechanism, 11, wire arrangement protrusion, 2, wire arrangement fixing mechanism, 21, extrusion protrusion, 3, stator coil, 4, terminal box, 5, terminal seat, 6, thermal sensitive wire. DETAILED DESCRIPTION

[0031] The specific embodiments of the utility model will be further explained in detail by the description of the best embodiment with reference to the drawings.

[0032] A kind of thermal sensitive wire wire arrangement fixing structure, including the wire arrangement fixing mechanism 1 being arranged in terminal box 4 or / and the wire arrangement fixing mechanism 2 being arranged on terminal seat 5;The fixing structure disclosed in the utility model can realize the fixed limiting of thermal sensitive wire 6 in terminal box 4;Ensure the stability and accuracy of thermal sensitive wire 6 arrangement in terminal box 4, avoid the disorder of thermal sensitive wire 6 arrangement in terminal box 4;Avoid the fatigue fracture of thermal sensitive wire 6 caused by vibration in the process of motor operation.

[0033] The thermal sensitive wire wire arrangement fixing structure disclosed in the utility model is mainly arranged in terminal box 4, mainly position limit and fixation are carried out to wire harness that is inserted into terminal box 4.

[0034] Specifically, the thermal sensitive wire wire arrangement fixing structure disclosed in the utility model mainly includes the wire arrangement fixing mechanism 1 being arranged in terminal box 4 or / and the wire arrangement fixing mechanism 2 being arranged on terminal seat 5;In the utility model, wire arrangement fixing mechanism 1 is mainly to limit the wire arrangement of thermal sensitive wire 6, and the trend of thermal sensitive wire 6 can be limited;And wire arrangement fixing mechanism 2 is mainly cooperated with terminal box 4 inside, and is extruded to wire harness that is inserted into terminal box 4, to ensure the extrusion fixation of thermal sensitive wire 6 after being inserted into terminal box 4.

[0035] The fixing structure has multiple use schemes in the utility model.

[0036] The first, wire arrangement fixing mechanism 1 is used alone, wire arrangement fixing mechanism 1 is arranged on the inner wall of terminal box 4, by the arrangement of multiple wire arrangement protrusions 11, the wire arrangement position of thermal sensitive wire 6 in terminal box 4 can be limited, and thermal sensitive wire 6 can be tensioned to a certain extent, to ensure the stability of thermal sensitive wire 6 arrangement in terminal box 4.

[0037] The second, wire arrangement fixing mechanism 2 is used alone, wire arrangement fixing mechanism 2 is arranged on terminal seat 5, and is used simultaneously with the inner wall of terminal box 4, by extruding thermal sensitive wire 6 with extrusion protrusion 21, it is adhered to the inner wall of terminal box 4, to realize the extrusion fixation of thermal sensitive wire 6 after being inserted into terminal box 4.

[0038] Third, the wire fixing mechanism 1 and the wire fixing mechanism 2 are used simultaneously, based on the above design, the wire fixing mechanism 1 can limit the wire arrangement of the thermal sensitive wire 6 in the junction box 4, and the wire fixing mechanism 2 can extrude and fix the wire bundle segment of the thermal sensitive wire 6 in the junction box 4, so that the stability of the arrangement of the thermal sensitive wire 6 in the junction box 4 is better guaranteed.

[0039] The above embodiments can be selected as required.

[0040] Meanwhile, the wire fixing mechanism 1 in the utility model includes wire arranging protrusions 11 arranged in the junction box 4; the wire arranging protrusions 11 are essentially protrusion points formed on the inner wall of the junction box 4, and the side surface of the wire arranging protrusion 11 contacts the side surface of the thermal sensitive wire 6 in subsequent use, so that the position of the side surface of the thermal sensitive wire 6 is limited, and the trend of the thermal sensitive wire 6 can be limited through the cooperation of the plurality of wire arranging protrusions 11.

[0041] In addition, the wire fixing mechanism 2 in the utility model includes extrusion protrusions 21 arranged on the junction seat 5; the extrusion protrusions 21 are mainly protrusion pieces, and a protrusion piece is arranged on the junction seat 5; the junction seat 5 is normally arranged inside the junction box 4, and based on the above design, when the thermal sensitive wire 6 penetrates into the junction box 4, the installation position of the junction seat 5 is controlled, so that the extrusion protrusion 21 extrudes the thermal sensitive wire 6 laterally, and the extrusion fixing of the thermal sensitive wire 6 is realized in cooperation with the inner wall of the junction box 4.

[0042] Further, the wire fixing mechanism 1 in the utility model includes at least two wire arranging protrusions 11 arranged in the junction box 4; the adjacent wire arranging protrusions 11 are distributed in intervals; the thermal sensitive wire 6 can be arranged according to requirements through the cooperation of the plurality of wire arranging protrusions 11 in the utility model, and the trend of the thermal sensitive wire 6 can be conveniently changed according to requirements.

[0043] Further, at least one wire arranging protrusion 11 is arranged close to the junction seat 5 in the utility model; based on the above design in the utility model, the position of the thermal sensitive wire 6 can be limited by the wire arranging protrusion 11 when the thermal sensitive wire 6 penetrates into the junction box 4, and the position of the thermal sensitive wire 6 can be cooperatively limited in cooperation with the extrusion protrusion 21.

[0044] Further, the outer side surface of the wire arranging protrusion 11 is arc-shaped in the utility model; such a design can avoid the loss of the thermal sensitive wire 6 due to the edges of the outer side surface of the wire arranging protrusion 11; generally, the wire arranging protrusion 11 can be designed in a cylindrical structure; of course, it can also be designed in an elliptical structure, and the specific design can be selected according to requirements.

[0045] Further, in the utility model, the extrusion protrusion 21 and the terminal block 5 and the wire arranging protrusion 11 and the terminal box 4 are connected by detachable or fixed connection mode, based on the above design, it can be known that the utility model extrusion protrusion 21 and the wire arranging protrusion 11 and the corresponding component connection mode are various, the extrusion protrusion 21 and the terminal block 5 can be integrally formed, also can set the counterbore on the terminal block 5, is equipped with the screw rod on the extrusion protrusion 21, realizes the screw joint of extrusion protrusion 21 and the terminal block 5 on.

[0046] Similarly, in the utility model, the wire arranging protrusion 11 can be integrally formed with the terminal box 4, or be connected with the terminal box 4 by screw joint or interference fit mode.

[0047] A motor assembly, including stator coil 3, terminal box 4, terminal block 5 and the fixed structure for heat-sensitive wire arrangement;The heat-sensitive wire 6 is led out on the stator coil 3, and the heat-sensitive wire 6 is arranged through the terminal box 4;The terminal box 4 includes a terminal box body;The terminal box body is provided with three-phase wire outlet hole 41;The heat-sensitive wire 6 enters the terminal box 4 through the three-phase wire outlet hole 41;The utility model limits the heat-sensitive wire 6 from three-phase wire outlet hole 41 and arranges wire, reduces the trouble that needs to additionally open the threading small hole of traditional terminal box 4, and avoids the threading trouble caused by the size of traditional threading small hole being too small.

[0048] The utility model stator coil 3 and heat-sensitive wire 6 are conventional structure, here no longer repeat specific structure, the utility model terminal block 5 is arranged in the terminal box 4, and the utility model heat-sensitive wire 6 and three-phase wire enter the terminal box 4 from three-phase wire outlet hole 41 together;Such threading mode can avoid the trouble of additional hole on the terminal box 4.

[0049] Meanwhile, the utility model because three-phase wire outlet hole 41 overall size is larger, so when heat-sensitive wire 6 is threading, threading is convenient, can obviously improve threading efficiency, reduce threading working hours;So can improve motor production efficiency to a certain extent.

[0050] Further, in the utility model, the extrusion protrusion 21 in the fixed structure is connected on the terminal block 5, and extends to the side close to the three-phase wire outlet hole 41 axis by the terminal block 5;The extrusion protrusion 21 is extruded on the heat-sensitive wire 6 that enters from three-phase wire outlet hole 41;Extrusion protrusion 21 is extruded heat-sensitive wire 6, thereby realizing the stability of the arrangement position of heat-sensitive wire 6 in the terminal box 4.

[0051] Specifically:

[0052] The utility model discloses a drive motor assembly mainly includes stator coil 3, heat-sensitive wire 6 is led out on the stator coil 3, terminal box 4, is equipped with terminal block 5 in terminal box 4.

[0053] The heat-sensitive wire 6 is inserted into the terminal box 4 from the three-phase wire outlet hole 41 on the terminal box 4; two rowing protrusions 11 are arranged on the terminal box 4 at intervals; the terminal seat 5 is provided with an extrusion protrusion 21 at the end; the terminal seat 5 is arranged above the three-phase wire outlet hole 41, the extrusion protrusion 21 is connected to the terminal seat 5 and extends from the terminal seat 5 to the side close to the axis of the three-phase wire outlet hole 41; and the extrusion protrusion 21 extrudes the heat-sensitive wire 6 inserted from the three-phase wire outlet hole 41.

[0054] The utility model discloses essentially change the wire outlet and the wire layout position of heat-sensitive wire 6, facilitate installation, increase the boss in terminal seat 5 and terminal box 4 simultaneously, regulate the layout of heat-sensitive wire 6, and play the fixed role.

[0055] In the utility model, the heat-sensitive wire 6 is inserted into the terminal box 4 from the three-phase wire outlet hole 41, and the terminal seat 5 is arranged at intervals with the bottom in the utility model, the heat-sensitive wire 6 is inserted into the terminal box 4 subsequently, the heat-sensitive wire 6 passes through the gap between the terminal seat 5 and the terminal box 4, the terminal box 4 and the terminal seat 5 are increased the boss, and the heat-sensitive wire 6 is guided and fixed; that is, the wire layout of heat-sensitive wire 6 is regulated by the rowing protrusion 11 and the extrusion boss, and the heat-sensitive wire 6 is fixed, and the fatigue fracture of heat-sensitive wire 6 caused by vibration during motor operation is avoided.

[0056] Obviously, the specific implementation of the utility model is not limited by the above mode, and various non-essential improvements using the method concept and technical scheme of the utility model are within the protection scope of the utility model.

Claims

1. A fixing structure for routing thermal lines, characterized in that, This includes cable fixing mechanisms installed inside junction boxes and / or cable routing fixing mechanisms installed on terminal blocks; The cable fixing mechanism includes a cable protrusion disposed inside the junction box; The cable fixing mechanism includes a pressing protrusion disposed on the terminal block; The cable fixing mechanism includes at least two cable protrusions disposed in the junction box; adjacent cable protrusions are spaced apart. At least one of the cable protrusions is arranged near the terminal block; The extrusion protrusion is connected to the terminal block and the ribbon cable protrusion is connected to the junction box in a detachable or fixed manner.

2. The fixing structure for thermal wire routing according to claim 1, characterized in that, The outer side of the raised cable is arc-shaped.

3. A motor assembly, characterized in that, Includes stator coil, junction box, terminal block, and fixing structure for thermal wire routing as described in any one of claims 1-2; The thermal wire is led out from the stator coil and is arranged through the junction box; The junction box includes a junction box body; the junction box body is provided with three-phase wire outlet holes; the thermal wire passes through the three-phase wire outlet holes into the junction box.

4. The motor assembly according to claim 3, characterized in that, The extrusion protrusion in the fixed structure is connected to the terminal block and extends from the terminal block toward the axis of the three-phase line outlet hole; the extrusion protrusion presses against the thermal wire that passes through the three-phase line outlet hole.

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