CN218633197U - Pressing plate type cable lead-in device - Google Patents
Pressing plate type cable lead-in device Download PDFInfo
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- CN218633197U CN218633197U CN202223111001.2U CN202223111001U CN218633197U CN 218633197 U CN218633197 U CN 218633197U CN 202223111001 U CN202223111001 U CN 202223111001U CN 218633197 U CN218633197 U CN 218633197U
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Abstract
The application relates to solenoid valve technical field especially relates to a clamp plate formula cable entry, includes: the terminal box comprises a terminal box, a lead sleeve, a lead pad, a pressing component and a clamping assembly; the junction box is provided with a first extension part, and the first extension part is provided with an installation space communicated with the interior of the junction box; the lead sleeve is arranged in the installation space, and at least one side part of the lead sleeve is provided with a lead pad; a compression convex part is formed on one side of the lead pad close to the lead sleeve; the pressing component is connected with the extension part and used for sealing and pressing the lead sleeve and the lead pad in the installation space; the pressing member is formed with a second extension, and the second extension is capable of clamping the target cable by the clamping assembly. It is thus clear that this application provides a neotype cable entry, has satisfied the requirement of operating mode such as solenoid valve electromagnetic drive device's protection level, temperature resistant humidity and resistant LOCA nuclear reaction environment.
Description
Technical Field
The application relates to the technical field of electromagnetic valves, in particular to a pressing plate type cable leading-in device.
Background
At present, the assembly structure of a common cable leading-in device and a cable can only meet the requirements of the conventional condition, namely the low protection level, and once the assembly structure is used in the environment with high protection level requirements such as vibration, irradiation and the like, the cable is easy to loosen, and a matching gap is generated along with the cable, so that potential safety hazards are easily caused.
SUMMERY OF THE UTILITY MODEL
The application aims to provide a clamp plate type cable leading-in device, and the technical problem that the cable leading-in device in the prior art is not suitable for being used in environments with high requirements on protection levels such as vibration and irradiation is solved to a certain extent.
The application provides clamp plate formula cable entry, includes: the terminal box, the lead sleeve, the lead pad, the pressing member and the clamping assembly; the junction box is provided with a first extending part, and the first extending part is provided with an installation space communicated with the inside of the junction box; the lead sleeve is arranged in the installation space, and at least one side part of the lead sleeve is provided with the lead pad;
a compression convex part is formed on one side of the lead pad close to the lead sleeve; the pressing member is connected with the extension part and is used for sealing and pressing the lead sleeve and the lead pad in the mounting space;
the pressing member is formed with a second extension portion, and the second extension portion is capable of clamping a target cable by the clamping assembly.
In the above technical solution, further, the clamping assembly includes a first clamping plate, a second clamping plate, a locking bolt, and a locking nut; wherein the compression member is formed with a via hole for passing the target cable therethrough; the number of the second extending parts is two, and the two second extending parts are arranged on two sides of the via hole at intervals;
the first clamping plate is arranged on one side of the two second extension parts, and the second clamping plate is arranged on the other opposite side of the two second extension parts; the first clamping plate and the second clamping plate are respectively locked with the two second extending parts in one-to-one correspondence through two groups of locking bolts and locking nuts, so that the first clamping plate and the second clamping plate can compress the cable.
In any of the above technical solutions, further, the first clamping plate is formed with a first arc-shaped groove penetrating through two opposite side portions thereof, the second clamping plate is formed with a second arc-shaped groove penetrating through two opposite side portions thereof, and the first arc-shaped groove and the second arc-shaped groove are oppositely arranged.
In any of the above technical solutions, further, each of the first clamping plate and the second clamping plate includes a first mounting flat plate, an arc-shaped plate, and a second mounting flat plate; the first mounting flat plate and the second mounting flat plate are respectively arranged on two opposite sides of the arc-shaped plate;
the two second extending parts are flat plates, the first mounting flat plate is abutted with one of the second extending parts, and the second mounting flat plate is abutted with one of the second extending parts; the opening of the arc plate is arranged towards the cable.
In any of the above technical solutions, further, the second extending portion is a rectangular flat plate extending along a length direction of the pressing member.
In any of the above technical solutions, further, the pressing protrusion is tapered.
In any of the above technical solutions, further, the lead pad is disposed on both opposite side portions of the lead cover.
In any of the above technical solutions, further, the pressing member is screwed with the first extension portion.
In any of the above technical solutions, further, the pressing member is fastened to an outer portion of the first extending portion and is screwed to an outer wall surface of the first extending portion.
In any of the above technical solutions, further, the first extending portion is in a sleeve shape and is communicated with the inside of the junction box.
Compared with the prior art, the beneficial effect of this application is:
the application provides an among the clamp plate formula cable entry device, the lateral part that the bellying that compresses tightly of lead wire pad can follow the lead wire cover exerts pressure to it, the lead wire cover is then respectively to one side of lead wire seat and one side of cable swell, and then firmly parcel live the cable, reach great clamping-force, play the effect that the locking takes off, meanwhile, the outer wall of lead wire cover closely laminates the inner wall of the installation cavity of lead wire seat, play the effect of boosting connection and sealing, gas leakage has been avoided, the potential safety hazard that leaks and cause, and is safer, and reliability.
In addition, clamping assembly has been add to this application, utilizes clamping assembly to press from both sides tightly the cable to play the effect of fixed cable and compressing tightly the component.
It is thus clear that this application provides a novel cable entry device and has satisfied the requirement of operating mode such as solenoid valve electromagnetic drive device's protection level, temperature resistant humidity and resistant LOCA nuclear reaction environment.
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 cross-sectional view of a platen-type cable lead-in device provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of a platen-type cable lead-in device according to an embodiment of the present application.
Reference numerals are as follows:
1-a junction box, 11-a first extension, 2-a lead sleeve, 3-a lead pad, 31-a compression boss, 4-a compression member, 41-a second extension, 5-a clamping assembly, 51-a first clamping plate, 511-a first mounting plate, 512-an arc plate, 513-a second mounting plate, 52-a second clamping plate, 53-a locking bolt, 54-a locking nut, 6-a cable.
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.
The components of the embodiments of the present application, as generally described and illustrated in the figures herein, could be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application.
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 this application will be understood to be a specific case for those of ordinary skill in the art.
A platen-type cable entry device according to some embodiments of the present application is described below with reference to fig. 1 and 2.
Referring to fig. 1 and 2, an embodiment of the present application provides a platen-type cable entry device including: the terminal box comprises a terminal box 1, a lead sleeve 2, a lead pad 3, a pressing component 4 and a clamping assembly 5; the junction box 1 is provided with a first extension part 11, and the first extension part 11 is provided with an installation space communicated with the inside of the junction box 1; the lead sleeve 2 is arranged in the installation space, and at least one side part of the lead sleeve 2 is provided with a lead pad 3;
a compression convex part 31 is formed on one side of the lead pad 3 close to the lead sleeve 2; the pressing component 4 is connected with the extension part and is used for sealing and pressing the lead wire sleeve 2 and the lead wire pad 3 in the installation space;
the pressing member 4 is formed with a second extension 41, and the second extension 41 is capable of clamping the target cable 6 by the clamping assembly 5.
Based on the structure that above-mentioned describes, the lateral part that the lead wire cover 2 can be followed to the bellying 31 that compresses tightly of lead wire pad 3 exerts pressure to it, so lead wire cover 2 then expands to one side of lead wire seat and one side of cable 6 respectively, and then firmly parcel cable 6 reaches great clamping-force, play the effect that the locking takes off, meanwhile, the inner wall of the installation cavity of lead wire seat is closely laminated to the outer wall of lead wire cover 2, play the effect of boosting connection and sealed, the potential safety hazard that has avoided gas leakage, water leakage etc. to cause, and is safer, reliable.
In addition, clamping component 5 has been add in this application, utilizes clamping component 5 to press from both sides tightly cable 6 to play the effect of fixed cable 6 and hold down member 4.
It is thus clear that this application provides a novel cable entry device and has satisfied the requirement of operating mode such as solenoid valve electromagnetic drive device's protection level, temperature resistant humidity and resistant LOCA nuclear reaction environment.
Note that: the lead pad 3 and the lead sleeve 2 are both ring-shaped, an opening is formed on one side of the junction box 1 away from the pressing member 4, a through hole is formed on the pressing member 4, and the above structures are all suitable for the cable 6 to pass through, and the details are not described herein, and can be understood by referring to the prior art.
Further, it is preferable that the pressing protrusion 31 extends along the entire ring shape of the lead pad 3 on the basis that the lead pad 3 has a ring-shaped structure; one side of the lead pad 3 departing from the lead sleeve 2 is a plane; the opposite side surfaces of the lead cover 2 are each of a planar structure.
Further, preferably, as shown in fig. 1, the first extending portion 11 is in a sleeve shape and is provided on the non-opened side of the terminal block 1, and the inside of the first extending portion 11 communicates with the inside of the terminal block 1 through a through hole.
As is apparent from the above-described structure, the lead cover 2 and the lead pad 3 can be mounted inside the first extension 11 having the extended cylindrical structure.
In this embodiment, preferably, as shown in fig. 1 and 2, the clamping assembly 5 includes a first clamping plate 51, a second clamping plate 52, a locking bolt 53, and a locking nut 54; the number of the second extending portions 41 is two, and the two second extending portions 41 are arranged at two sides of the via hole of the pressing member 4 at intervals;
the first clamping plate 51 is arranged on one side of the two second extending parts 41, and the second clamping plate 52 is arranged on the other opposite side of the two second extending parts 41; the first clamping plate 51 and the second clamping plate 52 are locked with the two corresponding one-to-one second extending portions 41 by two sets of locking bolts 53 and locking nuts 54, respectively, so as to realize the compression of the cables 6 by the first clamping plate 51 and the second clamping plate 52.
As can be seen from the above-described structure, the tightening of the lock nut 54 causes the first clamping plate 51 and the second clamping plate 52 to clamp the cable 6 therebetween, thereby reinforcing the cable 6 and the pressing member 4.
In this embodiment, preferably, as shown in fig. 1 and 2, the first clamping plate 51 is formed with first arc-shaped slots penetrating through opposite side portions thereof, the second clamping plate 52 is formed with second arc-shaped slots penetrating through opposite side portions thereof, and the first arc-shaped slots and the second arc-shaped slots are oppositely arranged (not shown in the figure).
According to the above-described structure, the cable 6 is seated in the space enclosed by the first arc-shaped groove and the second arc-shaped groove, so that the cable 6 is assembled with the first clamping plate 51 and the second clamping plate 52 more firmly.
Further, preferably, the first arc-shaped groove and the second arc-shaped groove are both adapted to the cable 6.
In this embodiment, preferably, as shown in fig. 2, each of the first clamping plate 51 and the second clamping plate 52 includes a first mounting plate 511, an arc-shaped plate 512, and a second mounting plate 513; wherein, the first mounting flat plate 511 and the second mounting flat plate 513 are respectively arranged at two opposite sides of the arc-shaped plate 512;
the two second extending portions 41 are both flat plates, the first mounting flat plate 511 abuts against one of the second extending portions 41, and the second mounting flat plate 513 abuts against one of the second extending portions 41; the opening of the arc-shaped plate 512 is arranged towards the cable 6, the arc-shaped plate 512 then forming the first arc-shaped slot and the second arc-shaped slot described above.
As can be seen from the above-described structure, the first mounting plate 511 and the second mounting plate 513 can be stably abutted and assembled with the second extension 41 having a plate structure, and the arc-shaped plate 512 can be stably and firmly assembled with the cable 6.
In this embodiment, preferably, as shown in fig. 2, the second extension 41 is a rectangular flat plate extending along the length direction of the pressing member 4.
According to the structure described above, the rectangular flat plate has a regular shape, meets the assembly requirements, and is simple in structure and convenient to process and manufacture.
In this embodiment, the pressing projection 31 is preferably tapered as shown in fig. 1.
As can be seen from the above-described structure, the tapered pressing protrusion 31 can more easily press the lead sheath 2, so that the lead sheath 2 is expanded toward the first extending portion 11 and the cable 6, respectively.
Of course, the pressing protrusion 31 may also be curved, and is selected according to the actual requirement.
In this embodiment, it is preferable that the lead wire housing 2 is provided with lead pads 3 at both opposite side portions thereof, as shown in fig. 1.
According to the above-described structure, in order to enhance the effect of clasping the cable 6 and enhance the sealing property between the lead cover 2 and the first extending portion 11, that is, the extending cylindrical portion, the lead pads 3 are disposed on both sides of the lead cover 2.
Note that the number of the lead sleeves 2 may also be multiple, the lead pads 3 are disposed between any two adjacent lead sleeves 2, and two sides of the first lead sleeve 2 that are separated from the two sides of the last lead sleeve 2 are also respectively provided with one lead pad 3.
In this embodiment, preferably, as shown in fig. 1, the pressing member 4 is screwed with the first extension 11.
According to the above-described structure, the pressing member 4 and the first extension 11, i.e. the extension barrel, belong to a detachable connection structure, which facilitates assembly and later operation and maintenance.
Further, it is preferable that the pressing member 4 is fastened to the outside of the first extension 11 and screwed to the outer wall surface of the first extension 11, as shown in fig. 1.
According to the above-described structure, the pressing member 4 is a cap-shaped pressing nut, the first extension 11, that is, the outer wall surface of the extension cylinder, is formed with a matching thread, and the pressing member 4 and the first extension 11, that is, the extension cylinder, are connected by the thread.
To sum up, the clamp plate formula cable entry device that this application provided, for example gland nut screws through compressing tightly component 4 for lead pad 3 compresses tightly lead wire cover 2, 3 one side of lead wire cover have compress tightly bellying 31 and be the toper, make when compressing tightly, lead wire cover 2 presss from both sides tight cable 6 more closely, and when there is ambient pressure outside, form similar medium power from compact formula structure, make lead wire cover 2 parcel cable 6 inseparabler, accomplish the sealed of 6 knecks of solenoid valve cable, in order to guarantee operating modes such as solenoid valve electromagnetic drive device's protection level, temperature resistant humidity and resistant LOCA environment.
In addition, still be equipped with splint, locking bolt 53 and lock nut 54 in the structure of this application, can guarantee that hold-down member 4 for example hold-down nut still is not hard up in the operating mode such as impact, vibration and earthquake resistance, still can satisfy sealed requirement.
During design, the 1E/K1-level environmental requirements of the nuclear power station are fully considered, and the selected non-metallic material has the performances of temperature resistance and radiation resistance and can meet the working conditions of radiation, LOCA and the like.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit 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 these modifications or substitutions do not depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A platen-style cable entry device, comprising: the terminal box, the lead sleeve, the lead pad, the pressing member and the clamping assembly; the junction box is provided with a first extending part, and the first extending part is provided with an installation space communicated with the inside of the junction box; the lead sleeve is arranged in the installation space, and at least one side part of the lead sleeve is provided with the lead pad;
a compression convex part is formed on one side of the lead pad close to the lead sleeve; the pressing member is connected with the extension part and used for sealing and pressing the lead sleeve and the lead pad in the installation space;
the pressing member is formed with a second extension portion, and the second extension portion is capable of clamping a target cable by the clamping assembly.
2. The platen-type cable entry device of claim 1, wherein the clamping assembly comprises a first clamping plate, a second clamping plate, a locking bolt, and a locking nut; wherein the compression member is formed with a via hole for passing the target cable therethrough; the number of the second extending parts is two, and the two second extending parts are arranged on two sides of the via hole at intervals;
the first clamping plate is arranged on one side of the two second extension parts, and the second clamping plate is arranged on the other opposite side of the two second extension parts; the first clamping plate and the second clamping plate are respectively locked with the two second extending parts in one-to-one correspondence through two groups of locking bolts and locking nuts, so that the first clamping plate and the second clamping plate can compress the cable.
3. The platen-type cable entry device according to claim 2, wherein the first clamping plate is formed with first arc-shaped slots through opposite side portions thereof, the second clamping plate is formed with second arc-shaped slots through opposite side portions thereof, and the first arc-shaped slots and the second arc-shaped slots are oppositely disposed.
4. The platen cable entry device of claim 3 wherein the first and second clamp plates each comprise a first mounting plate, an arcuate plate, and a second mounting plate; the first mounting flat plate and the second mounting flat plate are respectively arranged on two opposite sides of the arc-shaped plate;
the two second extending parts are flat plates, the first mounting flat plate is abutted with one of the second extending parts, and the second mounting flat plate is abutted with one of the second extending parts; the opening of the arc plate is arranged towards the cable.
5. The platen-type cable lead-in apparatus according to claim 1, wherein the second extension is a rectangular flat plate extending along a length direction of the pressing member.
6. The platen-type cable entry device of claim 1 wherein the hold-down boss is tapered.
7. The platen-type cable lead-in device according to claim 1, wherein the lead pads are provided on both opposite side portions of the lead cover.
8. The platen-type cable lead-in device according to claim 1, wherein the pressing member is screw-coupled with the first extension portion.
9. The platen-type cable lead-in apparatus according to claim 1, wherein the pressing member is fastened to an outer portion of the first extension portion and is screw-coupled to an outer wall surface of the first extension portion.
10. The platen-type cable entry device according to any one of claims 1 to 9 wherein the first extension is sleeve-shaped and communicates with the interior of the junction box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223111001.2U CN218633197U (en) | 2022-11-23 | 2022-11-23 | Pressing plate type cable lead-in device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223111001.2U CN218633197U (en) | 2022-11-23 | 2022-11-23 | Pressing plate type cable lead-in device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218633197U true CN218633197U (en) | 2023-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223111001.2U Active CN218633197U (en) | 2022-11-23 | 2022-11-23 | Pressing plate type cable lead-in device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218633197U (en) |
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2022
- 2022-11-23 CN CN202223111001.2U patent/CN218633197U/en active Active
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