CN210680629U - Leading-in device - Google Patents
Leading-in device Download PDFInfo
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- CN210680629U CN210680629U CN201921200866.1U CN201921200866U CN210680629U CN 210680629 U CN210680629 U CN 210680629U CN 201921200866 U CN201921200866 U CN 201921200866U CN 210680629 U CN210680629 U CN 210680629U
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Abstract
The utility model discloses an introducing device, including division board and fixed joint, simplified introducing device's structure, wherein the extension of division board and fixed joint all is located the mounting hole of explosion-proof type control box, and only fixed joint's fixed part exposes outside explosion-proof type control box, for introducing device among the prior art, has effectively shortened and is located the length that introducing device exposes in explosion-proof type control box to the volume of explosion-proof type control box has been reduced, make things convenient for the installation of explosion-proof type control box on explosion-proof vehicle.
Description
Technical Field
The utility model relates to an explosion-proof industrial vehicle technical field, in particular to introducing device.
Background
An explosion-proof industrial vehicle (hereinafter referred to as an explosion-proof vehicle) is a vehicle for carrying out material handling operations, and is widely applied to dangerous places of explosive gas environments and combustible dust environments of petroleum, chemical, light industry and military systems. The electric elements such as a controller and a contactor used by the explosion-proof vehicle can generate electric sparks or generate high temperature and the like in the using process, in order to ensure the running safety of the explosion-proof vehicle, the electric elements such as the controller and the contactor need to be placed in an explosion-proof control box, cables of the electric elements such as the controller and the contactor need to be fixed on the explosion-proof control box through a leading-in device, the explosion-proof control box and the leading-in device need to meet the requirements of GB3836.1-2010 and GB3836.2-2010 explosion-proof standards, the phenomenon that the electric sparks are 'out' from a connecting gap between the leading-in device and the explosion-proof control box is avoided, and meanwhile, explosive gas and explosive dust are prevented from entering the explosion-proof control box.
As shown in fig. 1, the introducing device includes a connecting portion 01, a pressing member 02 and a fixing member 03, wherein the connecting portion 01, the pressing member 02 and the fixing member 03 are all provided with mounting holes matched with cables, one end of the connecting portion 01 is connected with the box body of the explosion-proof control box, the other end of the connecting portion is connected with the pressing member 02, the connecting portion 01 achieves connection of the pressing member and the explosion-proof control box, the pressing member 02 achieves pressing of the cables on the explosion-proof control box, the fixing member 03 is connected with one end of the pressing member 02, which is far away from the connecting portion 01, and fixation of the cables on the pressing member 02 is achieved.
As shown in fig. 1 and 2, only one end of the introducing device, which is connected with the explosion-proof control box, is located in the explosion-proof control box, and the end of the connecting part 01, which is not connected with the explosion-proof control box, the pressing part 02 and the fixing part 03 are all located outside the explosion-proof control box, so that the length of the part of the introducing device, which leaks outside the explosion-proof control box, is longer, after the introducing device is assembled on the explosion-proof control box, the size of the explosion-proof control box can be increased, the installation of the explosion-proof control box on an explosion-proof vehicle is not facilitated, and the layout and the attractiveness of the whole vehicle are influenced.
Therefore, how to reduce the length of the lead-in device leaking out of the explosion-proof control box to reduce the volume of the explosion-proof control box and facilitate the installation of the explosion-proof control box on an explosion-proof vehicle becomes a technical problem to be solved by the technical staff in the field.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an introducing device to reduce the length that introducing device exposes in explosion-proof type control box, in order to reduce the volume of explosion-proof type control box, make things convenient for the installation of explosion-proof type control box on explosion-proof vehicle.
In order to achieve the above object, the utility model provides a following technical scheme:
an introducer device, comprising:
the isolation plate is provided with isolation holes which are in one-to-one correspondence with the wire cores of the cable;
the fixed joint comprises a fixed part connected with the outer wall of the explosion-proof control box, an extension part vertically connected with the fixed end and capable of extending into the explosion-proof control box, and a jack penetrating through the fixed part and the extension part and used for inserting a cable,
an AB glue layer is arranged in the jack, and the isolating plate is installed at the tail end of the extending portion.
Preferably, in the above introduction device, the fixing portion is a plate-shaped fixing portion.
Preferably, in the above introduction device, the fixing portion is provided with a screw hole.
Preferably, the introducing device further includes an explosion-proof gasket disposed on an upper end surface of the fixing portion, and the explosion-proof gasket is provided with the threaded hole.
Preferably, in the above introducing device, the extending portion is a cylindrical extending portion, a tip end of the cylindrical extending portion is provided with a stepped hole for mounting the partition plate, and a diameter of the stepped hole is larger than a diameter of the cylindrical extending portion.
Preferably, in the above-described introducing device, the extending portion is integrally formed with the fixing portion.
Preferably, in the above introducing device, the introducing device further includes a plug disposed on the fixing portion and engaged with the insertion hole, and the plug can be sleeved on the cable.
Preferably, in the above introducing device, the plug is a rubber plug.
Preferably, in the above introducing device, the AB glue layer is a two-component AB glue layer.
According to the technical scheme, the utility model provides an introducing device, including division board and fixed joint, simplified introducing device's structure, wherein the extension of division board and fixed joint all is located the mounting hole of explosion-proof type control box, and only fixed joint's fixed part exposes outside explosion-proof type control box, for introducing device among the prior art, has effectively shortened and has been located the length that introducing device exposes in explosion-proof type control box to the volume of explosion-proof type control box has been reduced, make things convenient for the installation of explosion-proof type control box on explosion-proof vehicle.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a lead-in device provided in the prior art;
FIG. 2 is a schematic structural diagram of a lead-in device connected with an explosion-proof control box provided by the prior art;
fig. 3 is a schematic structural diagram of an introducing device according to a first embodiment of the present invention;
fig. 4 is a schematic structural diagram of an introducing device according to a second embodiment of the present invention;
fig. 5 is a schematic structural view of a fixed joint according to a first embodiment of the present invention;
fig. 6 is a schematic structural diagram of a partition board according to a first embodiment of the present invention;
FIG. 7 is a cross-sectional view of a first embodiment of the present invention, taken along the plane A-A;
fig. 8 is a schematic structural view of a fixed joint according to a second embodiment of the present invention;
fig. 9 is a front view of a partition board according to a second embodiment of the present invention;
FIG. 10 is a cross-sectional view of a second embodiment of the present invention, taken along the line A-A;
fig. 11 is a schematic structural view of an explosion-proof gasket according to an embodiment of the present invention;
fig. 12 is a front view of an explosion-proof gasket according to an embodiment of the present invention.
Wherein the content of the first and second substances,
01. connecting portion, 02, compressing tightly piece, 03, mounting, 1, division board, 2, fixed joint, 21, fixed part, 22, extension, 23, jack, 3, end cap, 4, explosion-proof gasket.
Detailed Description
The utility model discloses an introducing device to reduce the introducing device and expose in the length of explosion-proof type control box, with the volume that reduces explosion-proof type control box, make things convenient for the installation of explosion-proof type control box on explosion-proof vehicle.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model discloses a the utility model discloses an introducing device, including division board 1 and fixed joint 2.
Be provided with the isolation hole with the sinle silk one-to-one of cable on division board 1, isolation hole evenly distributed is equal through the distance between the adjacent sinle silk after division board 1 keeps apart on division board 1 for every sinle silk evenly distributed is in jack 23, guarantees to set up seamless in the jack 23 behind the AB glue film, guarantees the explosion-proof requirement of draw-in device.
Here, the AB glue layer is formed by injecting the AB glue into the insertion hole 23.
Specifically, the number of the isolation holes formed in the isolation plate 1 is equal to the number of the cable cores of the cable. When the cable is provided with only one wire core, the isolating plate 1 provided with only one isolating hole is selected; when the cable has many sinle silks, choose for use and be provided with the division board 1 in a plurality of isolation holes, and the quantity in isolation hole equals with the number of sinle silk.
The fixed joint 2 comprises a fixed part 21, an extending part 22 and a jack 23, the head end of the extending part 22 is connected with the fixed part 21, the tail end of the extending part 22 is suspended, the isolation plate 1 can be installed at the tail end of the extending part 22, and the jack 23 extends from the fixed part 21 to the tail end of the extending part 22, namely the jack 23 penetrates through the fixed part 21 and the extending part 22.
In order to realize the matching between the fixed joint 2 and the wall of the explosion-proof control box, a mounting hole matched with the extension part 22 needs to be formed in the wall of the explosion-proof control box, a boss is arranged in the mounting hole, and the boss can be abutted against the isolation plate 1 arranged at the tail end of the extension part 22, so that the isolation plate 1 is fixed.
The fixing part 21 is used for realizing the connection between the fixed joint 2 and the outer wall of the explosion-proof control box; the extension part 22 is positioned in the mounting hole to guide the cable, so that the cable is led into the explosion-proof control box; the jack 23 provides a passage for the cable to be introduced into the explosion-proof type control box through the fixed joint 2.
Preferably, the receptacle 23 is a straight receptacle 23. Specifically, the fixing portion 21 is provided with a first section of the insertion hole 23, the extending portion 22 is provided with a second section of the insertion hole 23, and the first section and the second section are coaxially arranged and have the same diameter. Preferably, the length of the fixed joint 2 is more than 30mm so as to meet the requirement that the sealing length of the packing is more than or equal to 20mm specified in the explosion-proof standard.
The steps of installing the leading-in device in the explosion-proof control box are as follows:
the lead-in insertion hole 23 of the cable passes from the fixing portion 21 through the extension portion 22;
the cable penetrates through the extension part 22, and the wire cores of the cable are inserted into the isolation holes on the isolation plate 1 at the tail end of the extension part 22 one by one to realize equidistant isolation of the adjacent wire cores;
injecting AB glue into the jack 23 to fix the cable in the jack 23;
the isolation plate 1 is arranged at the tail end of the extension part 22;
the leading-in end of the cable is inserted into the mounting hole, and the leading-in device positioned on the cable is driven to be inserted into the mounting hole;
the fixing portion 21 is fixed to the explosion-proof type control box.
The introducing device that this scheme provided includes division board 1 and fixed joint 2, the structure of introducing device has been simplified, wherein division board 1 and fixed joint 2's extension 22 all is located the mounting hole of explosion-proof type control box, only fixed part 21 of fixed joint 2 exposes outside explosion-proof type control box, for introducing device among the prior art, effectively shortened and be located the length that introducing device exposes in explosion-proof type control box, thereby the volume of explosion-proof type control box has been reduced, make things convenient for the installation of explosion-proof type control box on explosion-proof vehicle.
The structure of the introducing device is simplified by the introducing device, the processing cost of the introducing device is reduced, and the assembling difficulty of the introducing device is reduced.
In one embodiment of the present disclosure, the fixing portion 21 is a plate-type fixing portion. Specifically, the thickness of the plate-shaped fixing part is 4-5 mm.
Preferably, the fixing portion 21 is connected to the wall of the explosion-proof control box by screws. Specifically, a threaded hole is formed in the fixing portion 21, and a threaded hole corresponding to the threaded hole of the fixing portion 21 is formed in the box wall.
As shown in fig. 1, the fixing portion 21 is a rectangular plate, and threaded holes are provided at four corners of the rectangular plate.
When the explosion-proof grade required to be met by the introducing device is IP54, an explosion-proof gasket 4 is not required to be arranged between the screw and the fixing part 21; when the explosion proof rating of the inlet device is IP65, an explosion proof spacer 4 needs to be provided between the screw and the fixing portion 21. Between the screw and the fixing portion 21 is specifically an upper end face of the fixing portion 21 away from the explosion-proof control box. In order to realize the matching of the screw and the fixing part 21, a threaded hole needs to be formed in the explosion-proof gasket 4.
In a particular embodiment of the solution, the extension 22 is a cylindrical extension. As shown in fig. 1-3, the extension 22 is a cylindrical extension.
The tail end of the cylindrical extension part is provided with a stepped hole for installing the isolation plate 1, the diameter of the stepped hole is larger than that of the cylindrical extension part, and the depth of the stepped hole is smaller than or equal to the thickness of the isolation plate 1.
Or, the end of cylindric extension is provided with spacing arch, and spacing arch can offset with division board 1, and the distance between the end of spacing arch and cylindric extension is less than or equal to the thickness that division board 1 can offset with division board 1. The limiting bulge can be a circular limiting bulge or a plurality of discontinuous arc limiting bulges.
In order to reduce the processing difficulty of the fixed joint 2, the scheme adopts the integral forming of the extension part 22 and the fixed part 21.
In order to ensure the use strength of the fixed joint 2, the fixed joint 2 is a stainless steel fixed joint 2 in the scheme.
AB glue pours into from the end of cylindric extension, and in order to avoid AB glue to flow from the fixed end, this scheme is still including setting up at fixed part 21 and jack 23 complex end cap 3, and end cap 3 can overlap and establish on the cable.
In another embodiment of the present invention, the step of installing the introducing device in the explosion-proof control box comprises:
cleaning the fixed joint 2, the isolation plate 1 and the explosion-proof gasket 4, and requiring to remove rust, oil stains and dust on the fixed joint 2, the isolation plate 1 and the isolation plate 1;
protecting the periphery of the fixed joint 2 by using an adhesive tape to prevent the AB adhesive from flowing into other positions in the process of pouring, and taking down the protected adhesive tape after the AB adhesive is dried;
stirring a mixture of epoxy resin and a curing agent (hereinafter, the mixture of the epoxy resin and the curing agent is AB glue) at the ambient temperature, wherein the volume ratio of the mixture is 1:1, and the AB glue can be diluted by acetone or absolute ethyl alcohol;
the plug 3 is sleeved on the cable;
the lead-in insertion hole 23 of the cable passes from the fixing portion 21 through the extension portion 22;
the cable penetrates through the extension part 22, and the wire cores of the cable are inserted into the isolation holes on the isolation plate 1 at the tail end of the extension part 22 one by one to realize equidistant isolation of the adjacent wire cores;
stretching the cable to enable the plug 3 to be positioned at the part, positioned at the fixed end, of the jack 23, so as to realize the plugging of the gap between the jack 23 and the cable, and reserving a glue injection space between the isolation plate 1 and the tail end of the extension part 22;
injecting AB glue slowly from the glue injection space by using a special glue injection gun, and continuously shaking to ensure that the fixed joint 2 is full of the glue and no bubbles are generated;
solidifying the AB glue;
the isolation plate 1 is arranged at the tail end of the extension part 22;
the leading-in end of the cable is inserted into the mounting hole of the explosion-proof control box, and the leading-in device on the cable is driven to be inserted into the mounting hole;
the fixing portion 21 is fixed to the explosion-proof type control box by screws.
The quality requirement of the introducing device after injecting AB glue for encapsulation: the minimum encapsulation layer thickness is not less than 1 mm.
When AB pouring is injected, the pouring agent is prevented from flowing out of the fixed joint 2, the appearance of the product is kept clean, and the surface of the jack 23 is smooth and has no glue shortage, no depression, no crack and no bubble.
In a specific embodiment of the present disclosure, the plug 3 is a rubber plug.
The AB glue needs to have proper chemical, thermal, electrical and mechanical stability and should meet the test requirements of the GB3836.9 standard.
The AB glue injected into the jack 23 comprises a curing agent and epoxy resin, wherein the curing agent accounts for 40-50 parts by weight, and the epoxy resin glue accounts for 50-60 parts by weight.
Preferably, the weight ratio of the curing agent to the epoxy resin adhesive is 5:6, the volume ratio is 1:1, the viscosity of the curing agent is 12000mpas, the viscosity of the epoxy resin adhesive is 100000mpas, and the viscosity after mixing is 26000 npas.
The AB glue provided by the scheme enables the highest working temperature of the introducing device to reach 200 ℃ and the lowest temperature to be-40 ℃, and further improves the explosion-proof performance of the introducing device.
The AB glue provided by the scheme has the advantages that the curing time of the AB glue at room temperature of 25 ℃ is 24 hours, the curing time of the AB glue at 40 ℃ is 7 hours, the curing time of the AB glue at 60 ℃ is 3 hours, and the curing time is short compared with that of the AB glue in the prior art.
The introducing device that this scheme provided is small, not only satisfies explosion-proof standard, and length is shorter moreover, and the total length only has 37mm, is far less than prior art's introducing device's length, and to the cable that the diameter is big more, the above-mentioned advantage of the introducing device that this scheme provided is more obvious moreover.
The introducing device that this scheme provided is adorned in explosion-proof type control box after, explosion-proof type control box can be adorned in explosion-proof industrial vehicle's narrow and small space, need not the explosion-proof industrial vehicle of overall arrangement again, and is few to the overall arrangement influence of whole car, has reduced the manufacturing cost of whole car, has guaranteed the trafficability characteristic of explosion-proof vehicle in narrow and small operation district.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. An introducer device, comprising:
the cable comprises an isolation plate (1), wherein isolation holes which correspond to cable cores of the cable one by one are formed in the isolation plate (1);
the fixed joint (2), the fixed joint (2) comprises a fixed part (21) connected with the outer wall of the explosion-proof control box, an extension part (22) which is vertically connected with the fixed part (21) and can extend into the explosion-proof control box, and a jack (23) which penetrates through the fixed part (21) and the extension part (22) and is used for inserting a cable,
an AB glue layer is arranged in the jack (23), and the tail end of the extension part (22) is provided with the isolation plate (1).
2. The introduction device according to claim 1, characterized in that the fixing portion (21) is a plate-type fixing portion.
3. The introduction device according to claim 2, characterised in that the fixing portion (21) is provided with a threaded hole.
4. The lead-in device according to claim 3, further comprising an explosion-proof gasket (4) arranged on the upper end surface of the fixing part (21), wherein the explosion-proof gasket (4) is provided with the threaded hole.
5. The lead-in device according to claim 2, characterized in that the extension (22) is a cylindrical extension, the end of which is provided with a stepped hole for mounting the partition plate (1), the diameter of which is larger than the diameter of the cylindrical extension.
6. The introduction device according to claim 5, characterized in that the extension (22) is integrally formed with the fixing portion (21).
7. The lead-in device according to claim 1, further comprising a plug (3) disposed on the fixing portion (21) and engaged with the insertion hole (23), wherein the plug (3) is capable of being sleeved on the cable.
8. The introduction device according to claim 7, characterised in that the plug (3) is a rubber plug.
9. The introducer device of claim 7, wherein the AB glue layer is a two-component AB glue layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921200866.1U CN210680629U (en) | 2019-07-26 | 2019-07-26 | Leading-in device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921200866.1U CN210680629U (en) | 2019-07-26 | 2019-07-26 | Leading-in device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210680629U true CN210680629U (en) | 2020-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921200866.1U Active CN210680629U (en) | 2019-07-26 | 2019-07-26 | Leading-in device |
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| Country | Link |
|---|---|
| CN (1) | CN210680629U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110271501A (en) * | 2019-07-26 | 2019-09-24 | 衡阳合力工业车辆有限公司 | A kind of introducing device |
-
2019
- 2019-07-26 CN CN201921200866.1U patent/CN210680629U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110271501A (en) * | 2019-07-26 | 2019-09-24 | 衡阳合力工业车辆有限公司 | A kind of introducing device |
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