CN214069463U - Wire harness wall-passing structure and electrical equipment - Google Patents

Wire harness wall-passing structure and electrical equipment Download PDF

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Publication number
CN214069463U
CN214069463U CN202022856811.5U CN202022856811U CN214069463U CN 214069463 U CN214069463 U CN 214069463U CN 202022856811 U CN202022856811 U CN 202022856811U CN 214069463 U CN214069463 U CN 214069463U
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China
Prior art keywords
wire harness
sealing
hole
sealing plug
sleeve
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CN202022856811.5U
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Chinese (zh)
Inventor
赵晶
崔剑征
王世杰
张擎宇
张俊飞
张宪伟
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Liaoning Wuhuan Special Materials And Intelligent Equipment Industry Technology Research Institute Co ltd
Shenyang University of Technology
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Liaoning Wuhuan Special Materials And Intelligent Equipment Industry Technology Research Institute Co ltd
Shenyang University of Technology
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Abstract

The application relates to the technical field of electrical equipment, in particular to a wire harness wall-crossing structure and electrical equipment. The wire harness wall-passing structure comprises a sleeve, potting adhesive and at least one sealing plug; along the axial direction of the sleeve, the pouring sealant and the sealing plug are alternately filled in the sleeve; the sealing plug is provided with at least one first through hole, and the wire harness can penetrate through the pouring sealant and the first through hole of the sealing plug. The application provides a wall structure is crossed to pencil is through being filled with casting glue and sealing plug in the sleeve pipe to realize the multistage sealed of pencil, many times sealed, improved the leakproofness of crossing the wall structure greatly, be applicable to more that high-pressure vessel waits for fixed device.

Description

Wire harness wall-passing structure and electrical equipment
Technical Field
The application relates to the technical field of electrical equipment, in particular to a wire harness wall-crossing structure and electrical equipment.
Background
Modern high-voltage container systems mostly integrate different electrical devices, and the devices are connected by wire bundles to transmit electric energy or electric signals, and the wire bundles need to be transmitted through walls among different high-voltage containers. High pressure vessels often have certain requirements for gas and water tightness.
Current wire harness wall-passing structures are generally of two types: the wires or harnesses are threaded through the container wall panels with the sleeves alone through the wall and the harnesses. In the second method, the sleeve through which the wire harness passes is injected to achieve the sealing effect, but the sealing performance is still insufficient, and the method is not suitable for the high-pressure container.
SUMMERY OF THE UTILITY MODEL
The application aims to provide a wire harness through-wall structure and electrical equipment, which are used for transmitting a power-on wire harness through a wall between different high-pressure containers and have better sealing performance.
The application provides a wire harness wall-passing structure, which comprises a sleeve, potting adhesive and at least one sealing plug;
along the axial direction of the sleeve, the pouring sealant and the sealing plug are alternately filled in the sleeve;
the sealing plug is provided with at least one first through hole, and the wire harness can penetrate through the pouring sealant and the first through hole of the sealing plug.
In the above technical solution, further, a length direction of the first through hole is an axial direction of the sealing plug;
when the number of the first through holes is one, the first through holes penetrate through the middle part of the sealing plug;
when the number of the first through holes is multiple, the multiple first through holes are arranged on the sealing plug at intervals.
In the above technical solution, further, the potting adhesive is filled at both ends of the sleeve, and the potting adhesive is an insulating adhesive;
the sealing plug is formed of rubber; the section size of the sealing plug is not smaller than that of the inner cavity of the sleeve, and sealing bosses protruding towards the circumferential direction are formed at two ends of the sealing plug in the axial direction.
In the above technical solution, further, the system further comprises a reamer;
the reamer comprises a tapering part and a reaming part which are detachably connected; the small-size end of the tapered portion is used for being inserted into the first through hole, the large-size end of the tapered portion is connected with the hole enlarging portion, a containing hole is formed in the hole enlarging portion, and the wiring harness can penetrate through the containing hole.
In the above technical solution, further, a sealing flange is installed at least at one end of the sleeve, the sealing flange is provided with a second through hole corresponding to the first through hole, and the wire harness can pass through the second through hole.
In the above technical solution, further, the sealing flange includes a main body portion and an annular sleeve portion;
the sleeving part is connected with one side of the main body part, and the sleeving part is sleeved outside the sleeve.
In the above technical solution, further, a fixing flange is sleeved at the middle part of the sleeve, and the fixing flange is used for connecting with a device to be fixed;
the sealing flange is connected with the fixed flange through a connecting piece.
In the above technical solution, further, the fixing flange is welded to the middle of the sleeve.
In the above technical solution, further, the device further comprises a sealing gasket located between the fixing flange and the device to be fixed;
a limiting boss is formed in the middle of one side, facing the device to be fixed, of the fixing flange, and the sealing washer is sleeved on the periphery of the limiting boss;
the fixing flange and the sealing washer are correspondingly provided with fixing holes to be connected with the device to be fixed.
The application also provides electrical equipment, which comprises the wire harness wall-passing structure.
Compared with the prior art, the beneficial effect of this application is:
the application provides a wall structure is crossed to pencil is through being filled with casting glue and sealing plug in the sleeve pipe to realize the multistage sealed of pencil, many times sealed, improved the leakproofness of crossing the wall structure greatly, be applicable to more that high-pressure vessel waits for fixed device.
The application also provides electrical equipment, which comprises the wire harness wall-passing structure. Based on the above analysis, the electrical device also has the above beneficial effects, and the details are not repeated herein.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of a wire harness bulkhead structure provided herein;
fig. 2 is a schematic view of a first construction of a sealing plug provided in the present application;
fig. 3 is a second schematic view of the sealing plug provided in the present application;
fig. 4 is a schematic representation of the use of the sealing plug and reamer as provided herein.
In the figure: 101-a cannula; 102-pouring sealant; 103-a sealing plug; 104-a first through-going hole; 105-a sealing boss; 106-a reamer; 107-taper; 108-a reamer part; 109-sealing flange; 110-a second through hole; 111-a body portion; 112-a sleeve portion; 113-a fixed flange; 114-a device to be secured; 115-a limit boss; 116-a fixation hole; 117 — harness.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Example one
Referring to fig. 1 to 4, the present application provides a wire harness wall-through structure including a sleeve 101, a potting adhesive 102, and at least one sealing plug 103; along the axial direction of the sleeve 101, the sleeve 101 is alternately filled with pouring sealant 102 and a sealing plug 103; the sealing plug 103 is provided with at least one first through hole 104, and the wire harness 117 can penetrate through the pouring sealant 102 and the first through hole 104 of the sealing plug 103.
Specifically, the wire harness wall-passing structure includes a sleeve 101, a potting adhesive 102, and a sealing plug 103, wherein the sleeve 101 can pass through a wall of the high-pressure container waiting for the fixing device 114. The potting adhesive 102 and the sealing plugs 103 are alternately arranged to seal and fill the routing cavity inside the casing 101.
In the specific operation, firstly, a plurality of wire harnesses 117 and first through holes 104 formed in a sealing plug 103 penetrate through one to one correspondingly to realize the first wall-passing structure sealing of the primary sealing; the joint of the wire harness 117 and the sealing plug 103 is filled with pouring sealant 102 such as polyurethane, so that the secondary wall-passing structure sealing of the primary sealing is realized; and then repeating the operations of filling the sealing plug 103 and filling the polyurethane pouring sealant 102 to realize secondary sealing of the wall-passing structure, and so on, so that multi-stage sealing of the wall-passing structure can be realized.
The application provides a wall structure is crossed to pencil is through being filled with casting glue 102 and sealing plug 103 in sleeve pipe 101 to realize pencil 117's multistage sealed, many times sealed, improved greatly and crossed wall structure's leakproofness, be applicable to more that high-pressure vessel waits for fixed device.
In an alternative of this embodiment, the length direction of the first through hole 104 is the axial direction of the sealing plug 103; when the number of the first through holes 104 is one, the first through holes 104 pass through the middle of the sealing plug 103; when the number of the first through holes 104 is plural, the plural first through holes 104 are provided at intervals in the sealing plug 103.
In this embodiment, referring to fig. 2 and 3, generally speaking, when the total cross-sectional area of the cable is less than 0.3mm2When in use, a plurality of cables can be integrated into a bundle of wiring harness 117, the sealing plug 103 is provided with a first through hole 104, the first through hole 104 is arranged in the middle of the sealing plug 103, namely, the wiring harness 117 is also arrangedIn the center of the bore seal 103, the bore seal 103 seals more evenly around the wire harness 117.
When the total cross-sectional area of the cable is more than 0.3mm2The cable is divided into a plurality of bundles 117, and the sealing plug 103 is provided with a plurality of first through holes 104 arranged at intervals so that the bundles 117 can pass through respectively. Preferably, the first through-going holes 104 of the outer layer are equidistant from the sidewall of the sealing plug 103, and the sealing plug 103 provides a more uniform seal of the wire harness 117 in the plurality of first through-going holes 104 of the outer layer.
In the optional scheme of this embodiment, the potting adhesive 102 is filled at both ends of the sleeve 101, and the potting adhesive 102 has a certain viscosity, so that the sealing effect is achieved, and the sealing plug 103 can be adhered and fixed; the pouring sealant 102 is an insulating sealant, and besides a polyurethane pouring sealant, the pouring sealant 102 may alternatively be an electronic insulating sealant such as an epoxy resin pouring sealant, an LED pouring sealant, and the like.
The sealing plug 103 is formed of rubber, and specifically, the sealing plug 103 may be formed of natural rubber or synthetic rubber. The rubber has high elasticity, can realize sealing effect, has insulating effect, can ensure the insulativity of a wall-passing structure, and is suitable for electrical equipment such as a high-pressure container filled with non-insulating liquid.
The section size of the sealing plug 103 is not smaller than that of the inner cavity of the casing 101, and the sealing plug 103 can be squeezed to completely fill the inner cavity of the casing 101; further, a seal boss 105 protruding in the circumferential direction is formed at both ends of the seal plug 103 in the axial direction, so that the liquid can be prevented from entering from one end of the sleeve 101 and leaking to the other end via the seal plug 103.
Of course, the rubber sealing plug 103 may be selected from various types and forms, such as a cylindrical rubber sealing ring or a conical rubber sealing ring, and the like, and may be applied to the device.
In an alternative of this embodiment, the harness through-wall structure further includes a reamer 106; reamer 106 includes a removably connected tapered portion 107 and a reamer portion 108; the small-size end of the tapered portion 107 is used for being inserted into the first through hole 104, the large-size end of the tapered portion 107 is connected with the enlarged hole portion 108, and a receiving hole is formed in the enlarged hole portion 108, and the wiring harness 117 can pass through the receiving hole.
In this embodiment, when the cross-sectional size of the first through-hole 104 of the sealing plug 103 is smaller than the cross-sectional size of the wire harness 117, the first through-hole 104 may be reamed by the reamer 106 so as to pass the wire harness 117 through the first through-hole 104.
Specifically, the tapered portion 107 is provided to facilitate the insertion of the reamer 106 into the first through-hole 104, the insertion is continued until the reamer 108 is inserted into the first through-hole 104, and then the tapered portion 107 at the front end is removed, the receiving hole of the reamer 108 is formed into a through-hole structure to allow the wire harness 117 to pass therethrough, and after the wire harness 117 completely passes through the first through-hole 104, the reamer 108 is removed, and the wire harness 117 is left in the first through-hole 104.
Preferably, the length of the reaming portion 108 is not less than the length of the first through hole 104, so as to facilitate the detachment of the tapered portion 107 and the reaming of the first through hole 104.
Example two
The wire harness wall-passing structure in the second embodiment is an improvement on the above embodiment, and the technical contents disclosed in the above embodiment are not described repeatedly, and the contents disclosed in the above embodiment also belong to the contents disclosed in the second embodiment.
In an alternative scheme of this embodiment, a sealing flange 109 is mounted at least at one end of the casing 101, the sealing flange 109 is provided with a second through hole 110 corresponding to the first through hole 104, and the wiring harness 117 can pass through the second through hole 110.
In this embodiment, referring to fig. 1, a sealing flange 109 is optionally installed only at one end of the sleeve 101 located outside the high pressure vessel, so as to prevent external moisture from entering the high pressure vessel, which is relatively cost-saving. Corresponding to the sealing plug 103, the sealing flange 109 also includes two schemes of forming one second through hole 110 or a plurality of second through holes 110, and the principle description of the sealing flange 109 is consistent with that of the sealing plug 103, and is not repeated herein.
In an alternative of this embodiment, the sealing flange 109 includes a main body portion 111 and an annular sleeve portion 112; the engaging portion 112 is connected to one side of the main body 111, and the engaging portion 112 engages with the outside of the casing 101.
In this embodiment, the annular sleeve 112 covers the end of the casing 101 to further isolate the casing 101 from the outside, so as to achieve a better sealing effect. Preferably, the main body 111 and the cover 112 are integrally formed, and the strength and the sealing property are better.
In an optional scheme of this embodiment, a fixing flange 113 is sleeved at the middle part of the casing 101, and the fixing flange 113 is used for connecting with a device to be fixed 114; the sealing flange 109 is connected to the fastening flange 113 by a connecting element.
In this embodiment, referring to fig. 1, one end of the sleeve 101 away from the sealing flange 109 extends into the high-pressure container, and the fixing flange 113 is sleeved on the middle portion of the sleeve 101 to connect with the outer wall of the high-pressure container, so as to fix the wire harness through-wall structure. Specifically, the fixing flange 113 may be installed at both sides or the top of the high pressure vessel, and is convenient to use.
Further, the sealing flange 109 and the fixing flange 113 may be connected by a connection member such as a bolt to fix the sealing flange 109 to the end of the casing 101.
In an alternative of this embodiment, the fixing flange 113 is welded to the middle of the casing 101 to achieve a secure connection between the fixing flange 113 and the casing 101.
In an alternative of this embodiment, the wire harness wall-passing structure further includes a sealing gasket located between the fixing flange 113 and the to-be-fixed device 114; a limiting boss 115 is formed in the middle of one side of the fixing flange 113 facing the to-be-fixed device 114, and a sealing gasket is sleeved on the periphery of the limiting boss 115; the fixing flange 113 and the sealing washer are correspondingly provided with fixing holes 116 for connecting with the device 114 to be fixed.
In this embodiment, the sleeve 101 extends into the interior of the high pressure vessel at the opening of the high pressure vessel, and a sealing gasket is provided between the mounting flange 113 and the high pressure vessel to avoid a reliable seal at the opening. The setting of spacing boss 115 is used for the fixed to seal ring on the one hand, and on the other hand, spacing boss 115's lateral wall can play the separation effect to promote sealed effect.
Further, the fixing flange 113 and the sealing washer are correspondingly provided with fixing holes 116, and a connecting member such as a bolt can pass through the fixing holes 116 to fix the fixing flange 113 and the sealing washer on the high pressure vessel.
Optionally, the sealing flange 109 may be opened with a connecting hole corresponding to the fixing hole, and a connecting member such as a bolt may pass through the connecting hole of the sealing flange 109, the fixing flange 113 and the fixing hole 116 of the sealing gasket to fix the sealing flange 109; or the fixing flange 113 is additionally perforated at other positions to correspond to the connection holes of the sealing flange 109, so as to fix the sealing flange 109.
EXAMPLE III
An embodiment of the present application provides an electrical device, including the wire harness passing wall structure of any one of the above embodiments, so that all the beneficial technical effects of the wire harness passing wall structure of any one of the above embodiments are achieved, and details are not repeated herein.
Example four
The fourth embodiment of the application provides a method for installing a wire harness through-wall structure, which comprises the following steps:
step one, connecting a sleeve and a fixed flange, and installing the fixed flange on a device to be fixed;
filling pouring sealant and sealing plugs into the sleeve alternately, wherein the wire harness penetrates through the pouring sealant and the sealing plugs, and penetrates through the first through holes of the sealing plugs through the reamers;
step three, repeating the step two until the sleeve is completely filled;
and fourthly, mounting a sealing flange at least one end of the sleeve.
In the embodiment, the pouring sealant and the sealing plug are filled in the sleeve to realize multi-stage sealing and multiple sealing of the wire harness, so that the sealing performance of the wall structure is greatly improved, and the wire harness is more suitable for high-pressure containers to wait for fixing devices.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application. Moreover, those skilled in the art will appreciate that while some embodiments herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the application and form different embodiments.

Claims (10)

1. A wire harness through-wall structure is characterized by comprising a sleeve, potting adhesive and at least one sealing plug;
along the axial direction of the sleeve, the pouring sealant and the sealing plug are alternately filled in the sleeve;
the sealing plug is provided with at least one first through hole, and the wire harness can penetrate through the pouring sealant and the first through hole of the sealing plug.
2. The wire harness bulkhead structure according to claim 1, wherein the length direction of the first through hole is the axial direction of the sealing plug;
when the number of the first through holes is one, the first through holes penetrate through the middle part of the sealing plug;
when the number of the first through holes is multiple, the multiple first through holes are arranged on the sealing plug at intervals.
3. The wire harness wall-passing structure according to claim 1, wherein the potting adhesive is filled at both ends of the sleeve, and the potting adhesive is an insulating adhesive;
the sealing plug is formed of rubber; the section size of the sealing plug is not smaller than that of the inner cavity of the sleeve, and sealing bosses protruding towards the circumferential direction are formed at two ends of the sealing plug in the axial direction.
4. The wire harness through-wall structure according to claim 3, further comprising a reamer;
the reamer comprises a tapering part and a reaming part which are detachably connected; the small-size end of the tapered portion is used for being inserted into the first through hole, the large-size end of the tapered portion is connected with the hole enlarging portion, a containing hole is formed in the hole enlarging portion, and the wiring harness can penetrate through the containing hole.
5. The wire harness bulkhead structure according to claim 1, wherein a sealing flange is attached to at least one end of the bushing, the sealing flange is provided with a second through hole corresponding to the first through hole, and the wire harness can pass through the second through hole.
6. The wire harness bulkhead structure of claim 5, wherein the sealing flange includes a main body portion and an annular boot portion;
the sleeving part is connected with one side of the main body part, and the sleeving part is sleeved outside the sleeve.
7. The wire harness wall-passing structure according to claim 5, wherein a fixing flange is sleeved on the middle part of the sleeve and used for being connected with a device to be fixed;
the sealing flange is connected with the fixed flange through a connecting piece.
8. The wire harness bulkhead structure of claim 7, wherein the mounting flange is welded to a middle portion of the sleeve.
9. The wire harness bulkhead structure of claim 7, further comprising a sealing gasket between the mounting flange and the device to be mounted;
a limiting boss is formed in the middle of one side, facing the device to be fixed, of the fixing flange, and the sealing washer is sleeved on the periphery of the limiting boss;
the fixing flange and the sealing washer are correspondingly provided with fixing holes to be connected with the device to be fixed.
10. An electrical apparatus, characterized by comprising a wire harness wall-passing structure according to any one of claims 1 to 9.
CN202022856811.5U 2020-12-01 2020-12-01 Wire harness wall-passing structure and electrical equipment Active CN214069463U (en)

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Application Number Priority Date Filing Date Title
CN202022856811.5U CN214069463U (en) 2020-12-01 2020-12-01 Wire harness wall-passing structure and electrical equipment

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022116715A1 (en) * 2020-12-01 2022-06-09 沈阳工业大学 Wiring harness through-wall structure and installation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022116715A1 (en) * 2020-12-01 2022-06-09 沈阳工业大学 Wiring harness through-wall structure and installation method thereof

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