CN206022656U - Integral type waterproof copper bar through walls - Google Patents

Abstract

This utility model provides a kind of sealed reliable, can bear larger torsional moment and the simple integral type waterproof of in-site installation copper bar through walls, and connection is flexible, general for which, be easily assembled and be conducive to casing waterproof.According to integral type waterproof of the present utility model copper bar through walls, including copper bar main body and the insulating flange main body integrated with the copper bar, the copper bar main body is used for realizing the inside and outside electrical connection of case side wall, the insulating flange is used for realizing insulation with cabinet casing, wherein, the insulating flange is integrally formed with the copper bar main body engagement cure as inserts by insert molding process.

Description

Integral type waterproof copper bar through walls

Technical field

This utility model is related to the binding post technology of the large power assembly being applied under adverse circumstances, more particularly to a kind of Sealed reliable, larger torsional moment and the simple integral type waterproof of in-site installation copper bar through walls can be born.

Background technology

Copper bar be in power supply industry commonly use conductive pieces, its functional equivalent in cable, can be used for convey electric current and Connect electrical equipment etc., copper bar is mainly used to realize that high current is transmitted in actual applications.In conventional application, if desired It is typically all realized with cable to convey electric current and connection electrical equipment through cabinet wall.However, with modular power etc. The raising of level, needs copper bar to reach outside cabinet through cabinet wall under increasing occasion, and this copper bar is referred to as Copper bar through walls.For example, the large-scale (PCC) power such as converter, electric vehicle motor controller, is chronically in harsh environments (for example at automobile scene, shake larger, dust is more, pollution is larger, even paddle), needs independent patch cabinet, this Act the copper bar for conveying electric current and connection electrical equipment in large power assembly circuit, similarly need through walls.

Under harsh environments as above, the copper bar through walls for large-scale (PCC) power must design waterproof construction To avoid leak and with enough torsional strengths, in the prior art generally by the elastic packing for arranging plastic material Part is realizing waterproof.As shown in the Fig. 4 for representing prior art, the shell of cabinet A can divide into upper half casing A1 and lower half casing A2, copper bar C through walls are reached outside cabinet from cabinet inside via openings in enclosure A3, and elastic sealing element B is clamped at casing and opens The periphery of hole A3 and it is assembled together to realize waterproof with copper bar C through walls.This typical cabinet waterproof construction exists as follows Problem：1st, cabinet is necessary for two halves formula, and realizes waterproof by clamp seals, and therefore the design comparison of cabinet is complicated, and And copper bar structure through walls more complicated be difficult to general；2nd, openings in enclosure, elastic sealing element and copper bar three must take into Fit tolerance between person, not so waterproof effect be difficult to ensure that；3rd, elastic sealing element is easily led because aging long afterwards in time length Sealing effectiveness is caused to be difficult to ensure that；4th, elastic sealing element and copper bar are fitted together, and its bond strength is relatively low, so that copper through walls Row cannot bear larger pulling force or torsional moment on the whole.

Therefore, the consideration in terms of cost benefit, versatility, waterproof effect, torsional strength, motility and assembling etc., The way of traditional approach is simultaneously unfavorable for producing in enormous quantities, does not also meet the requirement of the competition of new markets low cost, so as to people compel It is essential and wants a kind of trendy waterproof that can overcome above-mentioned problems copper bar through walls.

Utility model content

This utility model is aiming at problem above and completes, and its object is to provide a kind of integral type waterproof copper through walls Row, can the problems that exist of effectively solving prior art, while its connection is flexible, general, be easily assembled and be conducive to case Body waterproof.

According to the technical solution of the utility model, there is provided a kind of integral type waterproof copper bar through walls, including copper bar main body and with The main body integrated insulating flange of the copper bar, the copper bar main body are used for realizing the inside and outside electrical connection of case side wall, described exhausted Lot or luck by which people are brought together is blue to be used for realizing insulation with cabinet casing, and wherein, the insulating flange is by insert molding process and the institute as inserts State copper bar main body engagement cure and be integrally formed.

According to above-mentioned technical proposal, integral type waterproof of the present utility model copper bar through walls is using insert molding process/mono- Body injection molding process (insert molding), rather than the assembling mode of traditional copper bar split type through walls, the technique It is advantageous in that：1st, plastic parts is together with copper bar tight, can achieve watertight and airtight；2nd, adhesion between the two is very Powerful, the pulling force of more than 100kg, torsion can be born；3rd, very easy for the user, it is not necessary to have assembling procedure again.

Preferably, in above-mentioned technical proposal, the insulating flange is resin material, pacifies in the flange of the insulating flange Dress face forms ring packing rubber layer by injection molding process on matrix, to realize waterproof sealing.

Preferably, in above-mentioned technical proposal, the insulating flange is resin material, by the method in the insulating flange Set up caulking gum pad to realize waterproof sealing on blue mounting surface.

Preferably, in above-mentioned technical proposal, the copper bar main body is copper or aluminum material, and in the copper bar master The two ends of body are provided with for connecting the installing hole of other terminal assemblies or cable.

Preferably, in above-mentioned technical proposal, the copper bar main body is located at the one end outside cabinet and is provided with for passing through The screwed hole of external wiring terminal fixed by overlap joint screw.

Preferably, in above-mentioned technical proposal, the insulating flange includes the sleeve of cylinder and is located at the sleeve The flange in upper centre position, and the flange side is provided with multiple reinforcements on the sleeve.

Preferably, in above-mentioned technical proposal, the sleeve, the flange and the plurality of reinforcement are by resinous wood Expect integrally formed insulator.

Preferably, in above-mentioned technical proposal, the flange is located at the approximately mid way between of the sleeve.

Preferably, in above-mentioned technical proposal, offer on the flange for multiple with what cabinet casing was connected Connecting hole.

Integral type waterproof provided by the utility model copper bar through walls has as follows than the waterproof construction of traditional copper bar through walls Advantage：Using flexible, according to outlet position depending on, concordantly can also can separate up and down, can concentrate and can also disperse, on demand Depending on；Install simply, save Complex Assembly process；Versatility is good, can supply user when machine is designed as a kind of standard component From while being easy to produce in batches, reduces cost；Water proof and dust proof, casing outlet are completely cut off with external dust, the steam globule, are protected The safety of card electricity piece；External cable overlap joint is simple, and copper bar through walls is provided with screwed hole positioned at the one end outside cabinet can be direct External wiring terminal is fixed by overlapping screw.

In sum, according to the technical solution of the utility model, copper bar due to new construction is using carrying mounting flange Structure, therefore mounting flange be integrally formed with copper bar, can achieve the protection of IP67 levels；Sealing surface is flange mounting plane, directly Using flat gasket, sealing structure is simple and reliable；Mounting surface perforate, without considering fit tolerance, structure design is simple；Copper Row can bear big torsional moment, and sealing is not easy to fail.

Feature of the present utility model, technique effect and other advantages are by by further illustrating and become below in conjunction with the accompanying drawings Obtain obviously.

Description of the drawings

Referring now to accompanying drawing by way of example describing this utility model, wherein：

Fig. 1 is the structure chart according to the integral type waterproof of preferred embodiment of the present utility model copper bar through walls.

Fig. 2 is the use state structure chart according to the integral type waterproof of preferred embodiment of the present utility model copper bar through walls.

Fig. 3 A are the three-dimensional structure diagram according to the integral type waterproof of another preferred embodiment of the present utility model copper bar through walls, Fig. 3 B are the sectional view of the internal structure of the integral type waterproof copper bar through walls shown in Fig. 3 A.

Fig. 4 is the use state figure of the copper bar through walls according to prior art.

Specific embodiment

As described above, the waterproof construction of copper bar through walls of the prior art, not only implements comparatively laborious but also exists Many deficiencies, in view of this inventor is by means of injection mo(u)lding (out- on insert moulding (insert molding) and matrix Sert molding) technique sealing water-proof function be integratedly integrated on traditional copper bar through walls, creatively define root According to integral type waterproof of the present utility model copper bar through walls, so as to allow user to reduce difficulty in the application, more easily install.Embedding Part molding is referred to and loads resin by injection after pre-prepd different material inserts in mould, and the material of melting engages solid with inserts Change, the moulding process of being formed integrally product.On matrix, injection mo(u)lding refers to that injection molding part is embedding on the local of matrix material The moulding process for entering.In embodiment of the present utility model, in view of the conduction needs of copper bar through walls, the different material inserts is excellent Elect the electric conductors such as the metal material of copper or aluminum as.Meanwhile, in view of the insulating properties between copper bar through walls and casing is required, at this Matrix material described in the embodiment of utility model is preferably the insulators such as plastic resin.

On insert moulding and matrix, both moulding processs of injection mo(u)lding mainly have following features：The easy-formation of resin Property, the rigid of bendability and metal, degree and thermostability be mutually combined the metal modeling that supplement can firmly make complicated exquisiteness Package integral product；The combination of the electric conductivity of insulating properties and metal in particular with resin, the products formed that makes can meet The basic function of electric product；The formed combination in advance of multiple inserts so that the rear engineering of product unit combination is more rationalized；Embedding Part product are not limited to metal, also have cloth, paper, electric wire, plastics, glass, timber, line class, electric parts etc. multiple；For rigidity Elasticity of flexure products formed on products formed, rubber seal backing plate, after injection mo(u)lding being formed integrally product on matrix, can save Go to arrange sealing or the complex job of sealing gasket is set so that automatization's combination of operation is easier afterwards；Because being melting Material and the engagement of metal insert, compared with the press-in method of forming, metal insert gap can be designed to narrower, joint product The reliability of molding is higher；Appropriate resin and condition of molding is selected, even for the damaged product of easy shape (such as glass, line Circle class, electric parts etc.), by resin also salable fixation；Appropriate mold structure, inserts product is selected also to be completely encased tree In fat；After insert moulding, through going core bore to process, the product of medium altitude groove is may be made as；Vertical injection molding machine and mechanical hand, The combination of inserts product arranging-in-row device etc., insert moulding engineering mostly can achieve automated production.

Below, technology contents, structural features and the institute of this utility model preferred embodiment are explained in conjunction with accompanying drawing The technical purpose for reaching and technique effect.

Fig. 1 is the appearance assumption diagram according to the integral type waterproof of preferred embodiment of the present utility model copper bar 1 through walls, passes through Injection molding process is ultimately formed on above-mentioned insert moulding and matrix integral type waterproof copper bar 1 through walls, functionally can be with It is divided into the wall-penetrating type copper bar main body 10 for realizing being electrically connected inside and outside case side wall and is used for realizing insulating and close with casing 20 two parts of waterproof insulation flange of envelope.As shown in figure 1, the copper bar main body 10 as inserts includes distinguishing position in a state of use In first terminals 11 and the second terminals 12 of cabinet inside and outside, further offer on the first terminals 11 and connect with inside The first installing hole 110 that line terminals or cable are connected, and offer on the second terminals 12 and be connected with external wiring terminal The second installing hole 120 for connecing.Preferably, the second installing hole 120 is the screwed hole combined with overlap joint screw, by tightening overlap joint spiral shell Nail can simply fix external wiring terminal, and the copper bar main body 10 is preferably by copper or aluminum material.

By insert molding process and the waterproof insulation flange 20 formed as 10 engagement cure of copper bar main body of inserts Sleeve 21 including cylinder and the flange 22 positioned at centre position on sleeve 21, and further open on flange 22 The multiple connecting holes 220 for being connected with casing are provided with, are provided with positioned at 22 side of flange preferably on the sleeve 21 Multiple reinforcements 23, the sleeve 21, flange 22 and multiple reinforcements 23 are integrally formed absolutely by the resin material for melting Edge body.

It is important to note that the wall-penetrating type copper bar main body 10 and waterproof insulation flange 20 pass through insert moulding (insert molding) technique and integrally formed, the technique is advantageous in that：The insulator of plastic parts and metal material Copper bar main body tight together, has been reliably achieved watertight and airtight, can reach the degree of protection of IP67 levels；Between the two Adhesion very powerful, the pulling force/torsion of more than 100kg can be born；Copper bar carries the structure of mounting flange for user For very easy, it is not necessary to have traditional assembling procedure again；Without the need for being specifically designed copper bar and sealing member as prior art The shape of the mid portion being engaged.Further, the tree of reinforcement is not provided with the flange 22 of waterproof insulation flange 20 preferably Fat matrix surface forms ring packing rubber layer by injection mo(u)lding on matrix (out-sert molding) technique and is used as sealing Face.The technique is advantageous in that：Flange mounting surface can save gasket seal directly as sealing surface, and sealing structure simply may be used Lean on；Flange mounting surface perforate, without considering fit tolerance, structure design is simple.Additionally, those skilled in the art are not difficult to manage Solution, it is also possible to omit injection molding process on matrix here, and same effect is reached using traditional caulking gum pad Really, in the case, caulking gum pad is installed on the sleeve of flange and is allowed to contact i.e. with the sealing surface of flange Can.

Fig. 2 is the use state structure chart according to the integral type waterproof of preferred embodiment of the present utility model copper bar through walls, Wherein 1 is the integral type waterproof copper bar through walls shown in Fig. 1, and 2 is external wiring terminal, and 3 is cabinet, and 4 are overlap joint screw.Make The number that need neatly from integral type waterproof through walls copper bar 1 of the used time according to external wiring terminal 2, integral type waterproof are through walls Copper bar 1 penetrates correct position perforate that only need to be on cabinet 3 inside cabinet 3.External wiring terminal 2 is by overlapping screw 4 It is fixed via the screwed hole on the terminals of the wall-penetrating type copper bar main body 10 being located at outside cabinet 3, does not in addition have in fig. 2 Another terminals of the wall-penetrating type copper bar main body 10 being shown in cabinet 3.In a state of use, for the casing with cabinet 3 Realize insulation and seal, the waterproof insulation flange 20 of copper bar 1 through walls for integral type waterproof is directly screwed to cabinet 3 i.e. with bolt Can, the ring packing rubber on waterproof insulation flange 20 is formed in by injection mo(u)lding on matrix (out-sert molding) technique Glue-line extrusion is close to the casing of cabinet 3, so as to realize waterproof sealing.In addition, omit matrix on injection mo(u)lding work Skill and in the case that caulking gum pad is separately set, caulking gum pad similarly extrusion and the casing with cabinet 3 It is close to, plays waterproof action.After completing to install and fix, one end of integral type waterproof copper bar 1 through walls and internal wiring terminal Or cable overlap joint, the other end is then used for external wiring terminal 21, especially in wall-penetrating type copper bar main body 10 outside cabinet 3 Terminals are provided with screwed hole, are directly locked by overlap joint screw 24, are assembled very simple.

Fig. 3 A are the stereochemical structure according to the integral type waterproof of another preferred embodiment of the present utility model copper bar 1 ' through walls Figure, Fig. 3 B are the integral type waterproof copper bar through walls shown in Fig. 3 A ' internal structure sectional view.As shown in Figure 3A, integral type is prevented The overall structure of water copper bar 1 ' through walls is roughly the same with the copper bar 1 through walls of the integral type waterproof shown in Fig. 1, functionally can be same Be divided into the wall-penetrating type copper bar main body 10 ' for realizing being electrically connected inside and outside case side wall sample and be used for insulation being realized with casing 20 ' two parts of waterproof insulation flange with sealing.Difference is：The terminals 11 ', 12 ' of wall-penetrating type copper bar main body 10 ' Planform and the position details of the installing hole for being opened up thereon respectively；The also sleeve 21 ' of waterproof insulation flange 20 ' Shape and multiple reinforcements are not provided with sleeve 21 '.Fig. 3 B are more clearly shown integral type in the way of sectional view The above-mentioned difference of waterproof copper bar 1 ' through walls.

Similarly, the wall-penetrating type copper bar main body 10 ' shown in Fig. 3 A and Fig. 3 B and waterproof insulation flange 20 ' by inserts into Type (insert molding) technique and integrally formed.Further, preferably in the flange 22 ' of waterproof insulation flange 20 ' The resin matrix surface of mounting surface forms ring packing rubber by injection mo(u)lding (out-sert molding) technique on matrix Layer is used as sealing surface.The technique effect brought with regard to above-mentioned technique is identical with the integral type waterproof of Fig. 1 copper bar 1 through walls, Here it is omitted explanation.Structure as shown in from Fig. 1 and Fig. 3 can be seen that, the structure of copper bar main body and insulating flange can be with Neatly change as needed, if integral type waterproof copper bar through walls combined with cabinet actually used in, meet building ring The connection request in border and intensity requirement.

Although do not illustrate, in a state of use in order to the casing with cabinet realizes insulation and seals, by integral type waterproof The waterproof insulation flange 20 ' of copper bar 1 ' through walls is directly screwed to cabinet with bolt, by injection mo(u)lding (out- on matrix Sert molding) technique is formed in the case of the ring packing rubber layer extrusion on waterproof insulation flange 20 ' and cabinet Body is close to, so as to realize waterproof sealing.Similarly, omit matrix on injection molding process and caulking gum pad is separately set In the case of, caulking gum pad similarly extrusion and be close to the casing of cabinet, play waterproof action.This assembling The technique effect brought by mode is identical with Fig. 2, explanation of being omitted here.

The integral type waterproof copper bar through walls that this utility model is provided may replace the waterproof construction of traditional copper bar through walls, and The outlet structure of conventional complexity becomes simple, and terminal is separate, flexibly can use, when there is multiple leading-out terminals, terminal Can side by side, up and down, left and right etc. mode reasonable arrangement space structure；Mark can be become with general on various machine leading-out terminals Quasi- part.Opening of the casing in outlet can be by seal gasket or by injection mo(u)lding (out-sert molding) work on matrix The ring packing rubber layer that skill is formed on waterproof insulation flange to be sealed off, can be effectively isolated prevent dust, Steam, globule etc. enter box house.

Above disclosed is only preferred embodiment of the present utility model, can not limit certainly this practicality with this new The interest field of type, the equivalent variations that is therefore made according to this utility model claim still belong to this utility model and are covered Scope.It should be appreciated that above description be intended to illustrative and not limiting.For example, above-described embodiment (and/or in terms of which) can With in combination with one another.Additionally, can make a lot of remodeling according to enlightenment of the present utility model is suitable for specific situation or material Material is without departing from scope of the present utility model.By read foregoing description, in scope and spirit of the claims a lot of its Its embodiment and remodeling it will be apparent to those skilled in the art that.

Claims (10)

1. a kind of integral type waterproof is through walls to copper bar (1), including copper bar main body (10) and integrated with copper bar main body (10) Insulating flange (20), described copper bar main body (10) are used for realizing the inside and outside electrical connection of case side wall that described insulating flange (20) to be used In with cabinet casing realize insulation, it is characterised in that：Insulating flange (20) are by insert molding process and as inserts Copper bar main body (10) engagement cure and be integrally formed.

2. integral type waterproof according to claim 1 copper bar through walls, it is characterised in that described insulating flange (20) are resin Material, forms ring packing rubber layer in the flange mounting surface of the insulating flange (20) by injection molding process on matrix, To realize waterproof sealing.

3. integral type waterproof according to claim 1 copper bar through walls, it is characterised in that described insulating flange (20) are resin Material, by setting up caulking gum pad to realize waterproof sealing on the flange mounting surface of the insulating flange (20).

4. integral type waterproof according to Claims 2 or 3 copper bar through walls, it is characterised in that copper bar main body (10) are Copper or aluminum material, and be provided with for connecting other terminal assemblies or cable at the two ends of copper bar main body (10) Installing hole.

5. integral type waterproof according to claim 4 copper bar through walls, it is characterised in that described copper bar main body (10) are located at machine One end outside case is provided with for the screwed hole by overlapping screw fixation external wiring terminal.

6. integral type waterproof according to claim 5 copper bar through walls, it is characterised in that described insulating flange (20) include circle The sleeve (21) of cylindricality and the flange (22) positioned at the upper centre position of the sleeve (21), and on the sleeve (21) The flange (22) side is provided with multiple reinforcements (23).

7. integral type waterproof according to claim 6 copper bar through walls, it is characterised in that sleeve (21), the flange Disk (22) and the plurality of reinforcement (23) are by the integrally formed insulator of resin material.

8. integral type waterproof according to claim 7 copper bar through walls, it is characterised in that described flange (22) are located at described The approximately mid way between of sleeve (21).

9. integral type waterproof according to claim 8 copper bar through walls, it is characterised in that open up on the flange (22) There are the multiple connecting holes (220) for being connected with cabinet casing.

10. a kind of connector assembly, including wire and binding post, it is characterised in that the binding post adopts claim 1 to 9 Integral type waterproof described in middle any one copper bar through walls.