CN209170113U - A kind of connection box for motor - Google Patents

Abstract

The utility model relates to terminal box fields, more particularly to a kind of connection box for motor, including the junction box seat for being fixedly connected with motor, the bottom of the junction box seat is equipped with the intake that power supply machine lead-out wire penetrates, the connection box for motor further includes the neonychium being securely fitted at intake, the bottom of the terminal box has the opening's edge for being used to install neonychium described in the block of direction away from motor lead-out wire with edge being in around intake, neonychium includes the cover board being sealed in the opening's edge of intake, the cover board has the block mating surface cooperated with opening's edge block, the cover board is equipped with the introduction hole that at least one power supply machine lead-out wire installs.Motor lead-out wire installs in introduction hole on the cover board, the position of every in this way motor lead-out wire be it is determining, when being overhauled or installing wiring, would not be chaotic because of motor lead-out wire and wiring malfunctions；And introduction hole can play fixed effect to motor lead-out wire, slow down the abrasion of motor lead-out wire.

Description

A kind of connection box for motor

Technical field

The utility model relates to terminal box fields, and in particular to a kind of connection box for motor.

Background technique

Connection box for motor be will in the terminating wire box in motor with the external world introduce conducting wire be connected, conducting wire include for for The electric power connection line of electric energy needed for the normal operation transmitting of motor, and the signal connecting line for controlling motor operating, The correct connection for ensuring these conducting wires, just can guarantee the normal operation of motor, if motor wiring error, gently if lead to motor work Make efficiency reduction, it is heavy then damage motor.

Authorization Notice No. is that the Chinese utility model patent of CN208128049U discloses a kind of safe and reliable three-phase electricity Machine junction box structure, including junction box seat and terminal plate, have power wire terminal on junction box seat, and terminal plate passes through fixing bolt It is fixed on the bottom of junction box seat, three connection sheets for being respectively used to connection motor three-phase lead-out wire are fixed on terminal plate, often A connection sheet is respectively connected with a power line terminals and an extraction line terminals pass through what is be arranged on junction box seat in wiring Motor three-phase lead-out wire is introduced directly into connection box for motor by intake, and the connection of power line terminals is dynamic by what is introduced outside terminal box The line of force draws line terminals and connects motor lead-out wire, and power line terminals and extraction line terminals are bolted on terminal plate, I.e. each connection sheet one end connects power line, and the other end connects motor lead-out wire, finally distinguishes motor three-phase windings lead-out wire It is connected to one end of three connection sheets, tightens the bolt of fixed motor lead-out wire when leaving the factory, client is in use, need to only connect dynamic The line of force and the bolt for tightening fixed power line terminals, facilitate installation.

But to motor carry out maintenance or when connect motor lead-out wire, motor lead-out wire confusion, be easy to cause and connect Line error, and then influence motor and work normally；And motor lead-out wire directly introduces terminal box via outlet, works in motor In the process, when motor vibration is larger, motor lead-out wire is easy to rub with the opening's edge of outlet, causes motor lead-out wire mill Damage, there are security risks.

Utility model content

The purpose of this utility model is to provide a kind of connection box for motor, lead to wiring to solve motor lead-out wire confusion The problem of malfunctioning, and easily being worn in turn with the opening's edge friction of intake.

To achieve the above object, the technical solution of connection box for motor provided by the utility model is as follows:

A kind of connection box for motor, including the junction box seat for being fixedly connected with motor, the bottom of the junction box seat is set The intake for having power supply machine lead-out wire to penetrate, the connection box for motor further include the neonychium being securely fitted at intake, institute The bottom for stating junction box seat, which has, to be in and installing described in the block of direction around intake for deviating from motor lead-out wire with edge The opening's edge of neonychium, neonychium include the cover board being sealed in the opening's edge of intake, and the cover board has to be cooperated with opening's edge block Block mating surface, the cover board is equipped with the introduction hole that installs of at least one power supply machine lead-out wire.

It has the beneficial effect that motor lead-out wire installs in introduction hole on the cover board, can be drawn motor according to wiring needs Outlet is installed in introduction hole respectively, the position of every in this way motor lead-out wire be it is determining, connect being overhauled or being installed It, would not the wiring error because of motor lead-out wire confusion when line；And motor lead-out wire is installed in introduction hole, and it can be to motor Lead-out wire plays fixed effect, and then in motor vibration, limits the circular runout of motor lead-out wire, also just slow down electricity The abrasion of power traction outlet.

Further, the connection box for motor further includes the terminal plate for being fixedly connected on junction box seat bottom, the wiring Plate is arranged close to intake, and the rear and front end of the terminal plate is extended with front fixed part and rear fixed part to intake direction, institute The inner sidewall for stating front fixed part, rear fixed part, terminal plate and junction box seat surrounds enclosing, is formed in the enclosing for fixed dress The pilot hole of cover board with neonychium, the terminal plate is close to the side wall of intake and with terminal plate close to the side wall phase of intake Pair inner sidewall respectively constitute the left and right side walls of the enclosing, the rear wall of the front fixed part and the front side wall of rear fixed part Respectively constitute the forward and backward side wall of the enclosing；The cover board elastic conjunction of the neonychium is in the pilot hole, the neonychium All sides fit closely the enclosing left and right side walls and forward and backward side wall.

It has the beneficial effect that enclosing is directly surrounded by the inner sidewall of terminal plate and junction box seat, takes full advantage of motor wiring The internal structure of box simplifies the structure of enclosing accordingly, has saved the cost of connection box for motor；By the way that neonychium interference is filled It fits in enclosing, does not need that other mounting structures are arranged, simplify the structure design of enclosing.

Further, the neonychium is made of rubber.

It has the beneficial effect that neonychium made of rubber has elasticity, the convenient interference fit with enclosing, and then facilitates lid The installation of plate；And neonychium has elasticity, reduces the degree of wear between motor lead-out wire and introduction hole, can also play Protective effect to motor lead-out wire.

Further, interval is equipped with protection pipe sleeve on the cover board, and the protection pipe sleeve is along the motor lead-out wire side of installing To cover board two sides are extended, the protection pipe puts on the through-hole installed equipped with power supply machine lead-out wire, and the through-hole constitutes introduction hole.

It has the beneficial effect that and pipe sleeve is protected by setting, it is convenient that the guiding of motor lead-out wire is installed, and increase to electricity Power traction line contact area, prevents motor lead-out wire from overflexing occurring at introduction hole, and damages motor lead-out wire.

Further, the protection pipe is placed on motor lead-out wire and is pierced by the side of cover board equipped with the cone cell contracting tightened forward Mouthful, the small end of the cone cell necking has the radial dimension for wrapping motor lead-out wire.

It has the beneficial effect that and wraps motor lead-out wire by the way that cone cell necking is arranged, reinforce the fixation to motor lead-out wire, make electricity Power traction outlet fixation in protection pipe sleeve is more firm.

Further, the opening's edge includes the protrusion for cooperating with the cover board block extended into intake, institute Protrusion is stated to be located on the inner sidewall of intake.

It has the beneficial effect that through setting protrusion, enhances the block effect to cover board, prevent neonychium from deviating from.

Detailed description of the invention

Fig. 1 is the schematic diagram of internal structure of the connection box for motor in the embodiment of the connection box for motor of the utility model；

Fig. 2 is the inside of the connection box for motor for not installing neonychium in the embodiment of the connection box for motor of the utility model Structural schematic diagram；

Fig. 3 is the bottom view of the connection box for motor in the embodiment of the connection box for motor of the utility model；

Fig. 4 is that the connection box for motor in the embodiment of the connection box for motor of the utility model is mounted on the signal on motor Figure；

Fig. 5 is the structural schematic diagram of the neonychium in the embodiment of the connection box for motor of the utility model；

Fig. 6 is the half-section diagram of the neonychium in the embodiment of the connection box for motor of the utility model；

In figure, 1- junction box seat；2- motor；3- sensor socket；4- power wire terminal；5- front fixed part；6- neonychium； 7- protects pipe sleeve；8- terminal plate；9- intake；10- sealing ring；11- rear fixed part；12- column pipe；13- cover board；14- is convex It rises.

Specific embodiment

Specific embodiment of the present utility model is described further with reference to the accompanying drawing.

The embodiment of the connection box for motor of the utility model, as described in Fig. 1-Fig. 6, including junction box seat 1, junction box seat 1 Interior to be equipped with terminal plate 8, terminal plate 8 includes the terminal block body for realizing motor lead-out wire electrical connection of strip.In wiring Fixed on the left side wall of box to be equipped with power wire terminal 4 and sensor socket 3, power wire terminal 4 is for accessing power supply line, for electricity Machine 2 provides power；The outer end of sensor socket 3 is used for the plug that connect with external signal cable of grafting, sensor socket 3 it is interior End works for connecting the motor signal cable drawn from motor, control motor 2.

The intake 9 of the bottom plate of perforation junction box seat 1 is equipped with close to the bottom of right side wall on junction box seat 1, such as Fig. 1 and Shown in Fig. 2,9 power supply machine lead-out wire of intake is penetrated, and terminal plate 8 is fixed on the left side of intake 9, is equipped in junction box seat 1 It is sealed on neonychium 6 made of the rubber on intake 9.Neonychium 6 includes the cover board 13 that cross section is rectangle, on cover board 13 Integrally formed with the protection pipe sleeve 7 for vertically extending out 13 two sides of cover board, three are equipped at intervals with along 13 length direction of cover board Pipe sleeve is protected, as described in the fig 5 and 6, protection pipe sleeve 7 is equipped with the introduction hole that the electric power connection line of power supply machine 2 installs upwards, protection The lower end surface part below positioned at cover board 13 of pipe sleeve 7 is circular tube shaped, and the part more than the upper surface of cover board 13 is cone Shape necking, the small end of cone cell necking have the radial dimension for the electric power connection line for wrapping motor 2, the left side of protection pipe sleeve also at Type has the column pipe 12 passed through for signal cable, is similarly guarantee fixed effect, and column pipe 12, which has, wraps signal cable Radial dimension.

The lower end surface of cover board 13 cooperates with the opening's edge block in 9 periphery of intake, specifically, the bottom plate of junction box seat 1 The part that upper surface is in around intake 9 forms the opening's edge of intake 9, to guarantee installation effect, in intake 9 Protrusion 14 is extended on side wall into intake 9, enhances the block effect to neonychium 6, to prevent neonychium 6 from intake 9 It drops out.

In the present embodiment, fixation, junction box seat are assembled using embedded mode between cover board 13 and the bottom plate of junction box seat 1 Assembling structure corresponding with neonychium 6 on 1 is specific as follows: the terminal block body rear and front end of terminal plate 8, which is connected with, prolongs to the right The front fixed part 5 and rear fixed part 11 stretched, front fixed part 5 and rear fixed part 11 are abutted with the inner sidewall on the right side of junction box seat 1, The right side of the right side wall of terminal block body, the rear wall of front fixed part 5, the front side wall of rear fixed part 11 and junction box seat 1 in this way Inner sidewall surround one jointly for installing the rectangle enclosing of cover board 13, the pilot hole of rectangle is surrounded in enclosing, enclosing is just Positioned at the top of the opening's edge of intake 9 and intake 9 is completely covered in the installation space of pilot hole formation.

13 elastic conjunction of cover board made of rubber is in enclosing, the lower end surface of cover board 13 and the opening's edge block of intake 9 Cooperation, four of rectangle cover board 13 all sides respectively with the trailing flank of front fixed part 5, the leading flank of rear fixed part 11, terminal plate The medial surface on the right side of the right side and junction box seat 1 of main body fits closely.

In addition, in junction box seat 1 in being equipped with racetrack groove on the mounting surface that same motor 2 is connected and fixed, such as Fig. 3 and Fig. 4 It is shown, sealing ring 10 is installed in racetrack groove.

The electric power connection line of motor 2 and signal cable when in use, are first passed through and are connect by the connection box for motor of the utility model The intake 9 of wire box seat 1 passes through the mounting hole in front fixed part 5 and rear fixed part 11 by screw and is fixed on junction box seat 1 On motor 2, then the electric power connection line of motor 2 and signal cable are installed on respectively on protection pipe sleeve and column pipe 12, then By 6 elastic conjunction of neonychium in enclosing, at this point, cover board 13 completely encloses intake 9；Signal cable and sensor socket 3 connect It connects；Because electric power connection line is installed on respectively in protection pipe sleeve 7, the position of every electric power connection line is determining, need Electric power connection line is correspondingly connected on terminal plate 8, then external power cord is accessed through power wire terminal 4, and be connected to wiring On plate 8, so that it may realize electrical connection, in addition terminal plate 8 is common connector in connection box for motor, and application is very universal, at this The structure and specific connection type of specific terminal plate are just no longer excessively described in embodiment；Finally connector cover is consolidated using screw It is scheduled on junction box seat 1.When needing to dock the wiring in wire box and being overhauled, the position of motor lead-out wire it has been determined that It is very clear convenient when needing replacing connecting line or rewiring.

In the present embodiment, for be embedded in the enclosing of cover board by the right side wall of terminal block body, front fixed part rear wall, The inner sidewall on the right side of the front side wall and junction box seat of rear fixed part surrounds jointly, in other embodiments, can directly connect It is integrally formed out the rectangular step or groove that one is adapted to cover board week side on the bottom plate of wire box seat, rectangular step or groove Side channel wall is arranged around the opening's edge of intake, and the opening's edge of intake and the lower end surface block of cover board cooperate, if it is groove, Intake is located at the slot bottom of groove, and the opening's edge of intake is the groove bottom of groove, the medial surface of the side channel wall of step or groove It is closed with the side face paste of cover board.

In the present embodiment, cover board elastic conjunction is in enclosing, in other embodiments, can directly pass through neonychium Screw is fixed on junction box seat, at this point, neonychium installation process is complex.

In the present embodiment, neonychium is made of rubber, and in other embodiments, neonychium can be by ambroin material It is made.

It in the present embodiment, in other embodiments, can mistake on the cover board integrally formed with protection pipe sleeve on neonychium It is full of and is equipped with protection pipe sleeve.Furthermore in other embodiments, protection pipe sleeve can also save, and directly open up and draw on the cover board Enter hole, introduction hole has the radial dimension of banding motor lead-out wire.

In the present embodiment, there is protection pipe set cone cell necking can be not provided with cone cell necking in other embodiments, Motor lead-out wire is directly wrapped by protection pipe sleeve side wall, realizes fixed effect.

In the present embodiment, it sets on the cover board there are three pipe sleeve is protected, there are three introduction holes for three protection pipe tacklings, at it It, can also if an only motor lead-out wire or being intended merely to play the fixed effect to motor lead-out wire in his embodiment An introduction hole is arranged.

Claims (6)

1. a kind of connection box for motor, including the junction box seat for being fixedly connected with motor, the bottom of the junction box seat is equipped with The intake that power supply machine lead-out wire penetrates, it is characterised in that: the connection box for motor further includes being securely fitted at intake Neonychium, the bottom of the junction box seat, which has to be in, installs direction for deviating from motor lead-out wire with edge with around intake The opening's edge of neonychium described in block, neonychium include the cover board being sealed in the opening's edge of intake, and the cover board has and opening's edge The block mating surface of block cooperation, the cover board are equipped with the introduction hole that at least one power supply machine lead-out wire installs.

2. connection box for motor according to claim 1, it is characterised in that: the connection box for motor further includes being fixedly connected on The terminal plate of junction box seat bottom, the terminal plate are arranged close to intake, and the rear and front end of the terminal plate is to intake side To being extended with front fixed part and rear fixed part, the front fixed part, rear fixed part, terminal plate and junction box seat inner sidewall surround Enclosing, the interior pilot hole for forming the cover board for fixing assembling neonychium of the enclosing, the terminal plate is close to the side of intake Wall and the left and right side walls for respectively constituting the enclosing close to the opposite inner sidewall of the side wall of intake with terminal plate, it is solid before described The front side wall of the rear wall and rear fixed part of determining portion respectively constitutes the forward and backward side wall of the enclosing；The cover board mistake of the neonychium Be full of and be assemblied in the pilot hole, all sides of the neonychium fit closely the enclosing left and right side walls and forward and backward side Wall.

3. connection box for motor according to claim 1 or 2, it is characterised in that: the neonychium is made of rubber.

4. connection box for motor according to claim 3, it is characterised in that: interval is equipped with protection pipe sleeve on the cover board, The protection pipe sleeve installs direction along motor lead-out wire and extends cover board two sides, and the protection pipe is put on equipped with power supply machine lead-out wire The through-hole installed, the through-hole constitute introduction hole.

5. connection box for motor according to claim 4, it is characterised in that: the protection pipe is placed on motor lead-out wire and is pierced by lid The side of plate is equipped with the cone cell necking tightened forward, and the small end of the cone cell necking has the radial ruler for wrapping motor lead-out wire It is very little.

6. connection box for motor according to claim 3, it is characterised in that: the opening's edge includes the use extended into intake In the protrusion cooperated with the cover board block, the protrusion is located on the inner sidewall of intake.