CN214798744U - Sealing device for wall-penetrating cable in biosafety laboratory - Google Patents
Sealing device for wall-penetrating cable in biosafety laboratory Download PDFInfo
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- CN214798744U CN214798744U CN202120859978.9U CN202120859978U CN214798744U CN 214798744 U CN214798744 U CN 214798744U CN 202120859978 U CN202120859978 U CN 202120859978U CN 214798744 U CN214798744 U CN 214798744U
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Abstract
A sealing device for a wall-through cable in a biosafety laboratory belongs to the field of sealing devices, and aims to overcome the problems that the sealing device of the existing wall-through cable has large amount of sealing glue for fixing the cable, which causes unnecessary waste, the wire box of the utility model is embedded on a wall body to be threaded, a cover plate is arranged at the outer side of the wall body, N first through holes are processed on the lower surface of the cover plate, N second through holes are processed on the upper surface of a bottom plate in the wire box, a top sealing sleeve is arranged at the bottom end of each first through hole, one end of each top sealing sleeve is fixedly connected with the lower surface of the cover plate, a bottom sealing sleeve is arranged at the top end of each second through hole, one end of each bottom sealing sleeve is fixedly connected with the upper surface of the bottom plate of the wire box, each sealing unit is arranged between one top sealing sleeve and one bottom sealing sleeve corresponding to the top sealing sleeve, two ends of each sealing unit are respectively connected with a top sealing sleeve or a bottom sealing sleeve in a detachable mode.
Description
Technical Field
The utility model belongs to the sealing device field, concretely relates to a sealing device for biological safety laboratory wall cable.
Background
In the laboratory construction, a plurality of strong and weak electric lines are arranged, in order to avoid the damage of the lines to the integrity of the building enclosure caused by frequent wall penetration, an integrated wiring mode is generally adopted, in the method, a sealing box is required to be installed and fixed on a wall body, all cables need to penetrate through the sealing box to enter the laboratory, the cables in the box are fixed by injecting semisolid sealant into the existing sealing box, the sealing ring fitted in the bottom of the box seals the cable, which has two drawbacks, the first being, the amount of the sealant injected into the box is large, which causes unnecessary waste, and at the second point, all cables are fixed by the sealant, and all cables are arranged as a whole after the fixation, so that a single cable cannot be replaced, and once a certain cable is damaged, the replacement is not facilitated, therefore, it is desirable to develop a sealing device for a bio-safety laboratory through-wall cable.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the problems that the amount of sealant for fixing cables is large and unnecessary waste is caused in the sealing of the existing through-wall cables, all cables are fixed by the sealant, all cables are arranged integrally after the cables are fixed, and a single cable cannot be replaced, and once a certain cable is damaged, the cable is not convenient to replace, thereby providing a sealing device for the through-wall cables in a biological safety laboratory;
a sealing device for a wall-penetrating cable in a biosafety laboratory comprises a cover plate, a wire box, N top sealing sleeves, N bottom sealing sleeves and N sealing units, wherein N is a positive integer;
the wire box is embedded on a wall body to be threaded, the cover plate is arranged on the outer side of the wall body and is detachably connected with the wire box, N first through holes are processed on the lower surface of the cover plate, N second through holes are processed on the upper surface of a bottom plate in the wire box, each first through hole is coaxially and correspondingly arranged with one second through hole, a top sealing sleeve is arranged at the bottom end of each first through hole, each first through hole is coaxially arranged with one top sealing sleeve, one end of each top sealing sleeve is fixedly connected with the lower surface of the cover plate, a bottom sealing sleeve is arranged at the top end of each second through hole, each second through hole is coaxially arranged with one bottom sealing sleeve, one end of each bottom sealing sleeve is fixedly connected with the upper surface of the bottom plate of the wire box, each sealing unit is arranged between one top sealing sleeve and one bottom sealing sleeve corresponding to the top sealing sleeve, and the top of each sealing unit is detachably connected with one top sealing sleeve, the bottom of each sealing unit is detachably connected with a bottom sealing sleeve;
furthermore, the sealing unit comprises a sealing tube, a limiting spacer ring and a sealing ring, wherein the lower part of the inner wall of the sealing tube is provided with an annular bulge, the annular bulge and the inner wall of the sealing tube are integrally arranged, the limiting spacer ring is arranged on a step formed by the annular bulge and the inner wall of the sealing tube, the sealing ring is arranged in the limiting spacer ring, the inner wall of the limiting spacer ring is fixedly connected with the outer wall of the sealing ring, the top of the sealing tube is sleeved on a top sealing sleeve, and the bottom of the sealing tube is sleeved on a bottom sealing sleeve;
furthermore, an outer edge is arranged at the opening end of the wire box, the outer edge is arranged on the outer side of the wall body, and the cover plate is detachably connected with the wire box through the outer edge;
furthermore, a first connecting hole is respectively processed at four corners of the cover plate, a second connecting hole is respectively processed at four corners of the outer edge of the opening end of the wire box, each first connecting hole and each second connecting hole are coaxially and correspondingly arranged, blind holes which are coaxially arranged with the second connecting holes are processed at the positions, corresponding to the second connecting holes, of the wall body where the wire box is located, a bolt is arranged in each blind hole, one end of each bolt sequentially penetrates through the second connecting hole and the first connecting hole and is arranged on the outer side of the first connecting hole, a nut is arranged on the outer side of each first connecting hole, each nut is sleeved on one bolt, and the nuts are in threaded connection with the bolts;
further, the sealing ring is a labyrinth sealing ring;
further, the wall thickness of the wire box is greater than 2.5 mm;
furthermore, each sealing tube is filled with sealing glue, the sealing glue is arranged at the upper part of the limiting spacer ring, and the height of the sealing glue is smaller than 1/2 of the length of the sealing tube.
Compared with the prior art, the utility model following beneficial effect has:
the utility model provides a pair of a sealing device for biological safety laboratory through-wall cable, this device improves through the seal box structure to having now, set up a plurality of seal units in the seal box, every seal unit sets up with a cable cooperation, and inject sealed glue in every seal unit and fix the cable, so set up, very big saving sealed gluey use amount, and every cable all is independent fixed, can not appear interfering each other, and all can dismantle between every seal unit and seal box and the apron and be connected, damage appears in certain cable when being convenient for later stage use, replacement that can be timely, and the normal fixed state of other cables is not influenced.
Drawings
Fig. 1 is a main sectional view of the present invention;
fig. 2 is a schematic view of a sealing unit according to the present invention;
FIG. 3 is a partial enlarged view of the sealing unit of the present invention;
in the figure: the cable comprises a cover plate 1, a cable 2, a top sealing sleeve 3, a sealing tube 4, a limiting spacer ring 5, a wire box 6, a bottom sealing sleeve 7, a sealing ring 8 and a sealing glue 9.
Detailed Description
The first embodiment is as follows: the present embodiment is described with reference to fig. 1 to 3, and provides a sealing device for a bio-safety laboratory through-wall cable, which includes a cover plate 1, a wire cassette 6, N top seal cases 3, N bottom seal cases 7, and N sealing units, where N is a positive integer;
the wire box 6 is embedded on a wall body to be threaded, the cover plate 1 is arranged on the outer side of the wall body, the cover plate 1 is detachably connected with the wire box 6, N first through holes are processed on the lower surface of the cover plate 1, N second through holes are processed on the upper surface of a bottom plate in the wire box 6, each first through hole is coaxially arranged with one second through hole, a top sealing sleeve 3 is arranged at the bottom end of each first through hole, each first through hole is coaxially arranged with one top sealing sleeve 3, one end of each top sealing sleeve 3 is fixedly connected with the lower surface of the cover plate 1, a bottom sealing sleeve 7 is arranged at the top end of each second through hole, each second through hole is coaxially arranged with one bottom sealing sleeve 7, one end of each bottom sealing sleeve 7 is fixedly connected with the upper surface of the bottom plate of the wire box 6, each sealing unit is arranged between one top sealing sleeve 3 and the corresponding bottom sealing sleeve 7, the top of each sealing unit is detachably connected with a top sealing sleeve 3, and the bottom of each sealing unit is detachably connected with a bottom sealing sleeve 7.
The embodiment provides a sealing device for a wall-through cable of a biological safety laboratory, which is formed by improving the structure of the existing sealing box, the sealing box is internally provided with a plurality of sealing units, each sealing unit is matched with one cable, and the cable is fixed by injecting the sealant into each sealing unit, so that the using amount of the sealant is greatly saved, moreover, each cable is independently fixed and does not interfere with each other, and each sealing unit is detachably connected with the wire box 6 and the cover plate 1, so that one cable is damaged in the later period of use, the cable fixing device can be replaced in time, the normal fixing state of other cables is not influenced, the top sealing sleeve 3 and the bottom sealing sleeve 7 are used for positioning and assisting in fixing the cables, and the top sealing sleeve 3 and the bottom sealing sleeve 7 are made of rubber materials;
considering that the thickness of the cable used in practical application is not necessarily the same, the aperture of the second through hole is adjusted by a processor according to the diameter of the end face of the actual cable 2, but the aperture of the corresponding first through hole must be the same as that of the second through hole, and the apertures in the top sealing sleeve 3 and the bottom sealing sleeve 7 are also matched with that of the second through hole.
The second embodiment is as follows: the embodiment is described with reference to fig. 1 to 3, and the embodiment further defines the sealing unit described in the first embodiment, and in the embodiment, the sealing unit includes a sealing tube 4, a limiting spacer ring 5 and a sealing ring 8, the lower portion of the inner wall of the sealing tube 4 is provided with a ring installation protrusion, the ring installation protrusion and the inner wall of the sealing tube 4 are integrally arranged, the limiting spacer ring 5 is arranged on a step formed by the ring installation protrusion and the inner wall of the sealing tube 4, the limiting spacer ring 5 is provided with the sealing ring 8, the inner wall of the limiting spacer ring 5 is fixedly connected with the outer wall of the sealing ring 8, the top of the sealing tube 4 is sleeved on a top sealing sleeve 3, and the bottom of the sealing tube 4 is sleeved on a bottom sealing sleeve 7. Other components and connection modes are the same as those of the first embodiment.
So set up, divide into upper and lower two parts with sealed tube 4 through spacing spacer ring 5, sealed tube 4 lower part cover is established on bottom seal cover 7, and the tensioning nature through bottom seal cover 7 makes sealed tube 4 and bottom seal cover 7 zonulae occludens, sealed tube 4 upper portion cover is established on top seal cover 3, need not be so inseparable as sealed tube 4 lower part is connected with bottom seal cover 7, sealing washer 8 sets up between cable 2 and spacing spacer ring 5, because sealed glue 9 will be put into on sealed tube 4 upper portion, avoid on semisolid sealed glue 9 flows into bottom seal cover 7 along the clearance, consequently will seal it through sealing washer 8.
The third concrete implementation mode: the present embodiment is described with reference to fig. 1 to 3, and is further limited to the wire box 6 according to the second embodiment, in the present embodiment, the opening end of the wire box 6 is provided with an outer edge, the outer edge is arranged on the outer side of the wall, and the cover plate 1 is detachably connected with the wire box 6 through the outer edge. The other components and the connection mode are the same as those of the second embodiment.
So set up, outer edge can be favorable to guaranteeing the positioning accuracy of line box 6, can pinpoint line box 6.
The fourth concrete implementation mode: the present embodiment is described with reference to fig. 1 to 3, and is further limited to the cover plate 1 described in the fourth embodiment, in the present embodiment, a first connection hole is processed at each of four corners of the cover plate 1, a second connection hole is processed at each of four corners of an outer edge of an opening end of the wire box 6, each first connection hole and each second connection hole are coaxially and correspondingly arranged, a blind hole coaxially arranged with the second connection hole is processed at a position on a wall where the wire box 6 is located, corresponding to the second connection hole, a bolt is arranged in each blind hole, one end of the bolt sequentially passes through the second connection hole and the first connection hole and is arranged outside the first connection hole, a nut is arranged outside each first connection hole, each nut is sleeved on one bolt, and the nut is in threaded connection with the bolt. Other components and connection modes are the same as those of the third embodiment.
So set up, fix the apron through bolt nut mechanism, convenient to detach apron.
The fifth concrete implementation mode: the present embodiment will be described with reference to fig. 1 to 3, and the present embodiment further defines the seal ring 8 according to the fourth embodiment, and in the present embodiment, the seal ring 8 is a labyrinth seal ring. The other components and the connection mode are the same as those of the fourth embodiment.
So set up, labyrinth seal has better leakproofness to liquid colloid, effectively prevents sealed glue infiltration and leakage.
The sixth specific implementation mode: the present embodiment will be described with reference to fig. 1 to 3, and the present embodiment further defines the thread cassette 6 according to the fourth embodiment, and in the present embodiment, the thickness of the thread cassette 6 is greater than 2.5 mm. The other components and the connection mode are the same as the fifth embodiment mode.
The seventh embodiment: the present embodiment is described with reference to fig. 1 to 3, and is further limited to the sealing tubes 4 according to the fourth embodiment, in the present embodiment, the sealing gel 9 is injected into each sealing tube 4, the sealing gel 9 is disposed on the upper portion of the spacing ring 5, and the height of the sealing gel 9 is less than 1/2 of the length of the sealing tube 4. The other components and the connection mode are the same as the fifth embodiment mode.
So set up, sealed glue 9 can carry out effectual location and fixed to the cable, sealed glue 9 sets up difficult too high in order to avoid contacting with top seal cover 3, and the colloid causes the waste simultaneously.
The present invention has been disclosed in the above embodiments, but not limited to the present invention, and any person skilled in the art can make some changes or modifications to the equivalent embodiments without departing from the technical scope of the present invention, and any simple modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments will still belong to the technical scope of the present invention.
Principle of operation
The utility model discloses during operation, at first, N bottom seal cover 7 correspond to set up on the through-hole No. two rather than aperture complex, and let bottom seal cover 7 and the bottom plate of line box 6 be fixed connection, and then every bottom seal cover 7 cover establish a sealed tube 4, and guarantee that every sealed tube 4 is closely connected with a bottom seal cover 7, cover establish sealed ring 8 and establish spacing spacer ring 5 in the outside cover of sealed ring 8 on cable 2, pass sealed tube 4 with one end of cable 2, bottom seal cover 7 and No. two through-holes and set up in the outside of line box 6, guarantee that spacing spacer ring 5 sets up on the annular bulge on sealed tube 4, can adjust the position of spacing spacer ring 5 through the member, make it closely laminate with the step of annular bulge, inject sealed glue 9 into sealed tube 4 after setting up, notice the height that sealed glue 9 sets up, do not too high, 1/2 less than the length of sealed tube 4, after the sealant 9 is solidified, the cable and the sealing tube 4 are in a fixed state, the N top sealing sleeves 3 are correspondingly arranged on the first through holes matched with the hole diameters of the N top sealing sleeves 3, the top sealing sleeves 3 are fixedly connected with the cover plate 1, the other ends of the cables penetrate through the top sealing sleeves 3 and the first through holes to be arranged on the outer side of the cover plate 1, the cover plate 1 is buckled at the opening end of the wire box 6, each top sealing sleeve 3 is ensured to be arranged on one sealing tube 4, the wire box 6 and the cover plate 1 are embedded in holes which are formed in the wall in advance, the cover plate 1 is fixedly connected with the wire box 6 through the bolt-nut mechanism, and the wire box 6 and the wall can be fixedly connected through the bolt-nut mechanism after being bonded and fixed through glue.
Claims (7)
1. A sealing device for a through-wall cable of a biosafety laboratory, characterized in that: the sealing device comprises a cover plate (1), a wire box (6), N top sealing sleeves (3), N bottom sealing sleeves (7) and N sealing units, wherein N is a positive integer;
the wire box (6) is embedded on a wall body to be threaded, the cover plate (1) is arranged on the outer side of the wall body, the cover plate (1) is detachably connected with the wire box (6), N first through holes are processed on the lower surface of the cover plate (1), N second through holes are processed on the upper surface of a bottom plate in the wire box (6), each first through hole and each second through hole are coaxially and correspondingly arranged, a top sealing sleeve (3) is arranged at the bottom end of each first through hole, each first through hole and one top sealing sleeve (3) are coaxially arranged, one end of each top sealing sleeve (3) is fixedly connected with the lower surface of the cover plate (1), a bottom sealing sleeve (7) is arranged at the top end of each second through hole, each second through hole and one bottom sealing sleeve (7) are coaxially arranged, one end of each bottom sealing sleeve (7) is fixedly connected with the upper surface of the bottom plate of the wire box (6), each sealing unit is arranged between one top sealing sleeve (3) and one corresponding bottom sealing sleeve (7), the top of each sealing unit is detachably connected with one top sealing sleeve (3), and the bottom of each sealing unit is detachably connected with one bottom sealing sleeve (7).
2. A sealing device for a bio-safety laboratory wall-penetrating cable according to claim 1, wherein: the sealing unit comprises a sealing pipe (4), a limiting spacer ring (5) and a sealing ring (8), wherein the lower part of the inner wall of the sealing pipe (4) is provided with a ring installation bulge, the ring installation bulge and the inner wall of the sealing pipe (4) are integrally arranged, the limiting spacer ring (5) is arranged on a step formed by the ring installation bulge and the inner wall of the sealing pipe (4), the sealing ring (8) is arranged in the limiting spacer ring (5), the inner wall of the limiting spacer ring (5) is fixedly connected with the outer wall of the sealing ring (8), the top of the sealing pipe (4) is sleeved on a top sealing sleeve (3), and the bottom of the sealing pipe (4) is sleeved on a bottom sealing sleeve (7).
3. A sealing device for a bio-safety laboratory through-wall cable according to claim 2, wherein: the opening end of the wire box (6) is provided with an outer edge, the outer edge is arranged on the outer side of the wall body, and the cover plate (1) is detachably connected with the wire box (6) through the outer edge.
4. A sealing device for a bio-safety laboratory through-wall cable according to claim 3, wherein: the four corners department of apron (1) is processed respectively and is had a connecting hole, the outer edge four corners department of line box (6) open end is processed respectively and is had a connecting hole No. two, and every connecting hole corresponds the setting with a connecting hole No. two is coaxial, line box (6) are processed with the blind hole that corresponds the department with No. two connecting holes on the wall body and are had with the coaxial setting of No. two connecting holes, be equipped with a bolt in every blind hole, the one end of bolt passes a connecting hole No. two and a connecting hole in proper order and sets up the outside at a connecting hole, the outside of every connecting hole is equipped with a nut, every nut cover is established on a bolt, and nut and bolt threaded connection.
5. A sealing device for a bio-safety laboratory through-wall cable according to claim 4, wherein: the sealing ring (8) is a labyrinth sealing ring.
6. A sealing device for a bio-safety laboratory through-wall cable according to claim 5, wherein: the wall thickness of the wire box (6) is larger than 2.5 mm.
7. A sealing device for a bio-safety laboratory wall-penetrating cable according to claim 6, wherein: and each sealing pipe (4) is filled with sealing glue (9), the sealing glue (9) is arranged at the upper part of the limiting spacer ring (5), and the height of the sealing glue (9) is less than 1/2 of the length of the sealing pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120859978.9U CN214798744U (en) | 2021-04-25 | 2021-04-25 | Sealing device for wall-penetrating cable in biosafety laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120859978.9U CN214798744U (en) | 2021-04-25 | 2021-04-25 | Sealing device for wall-penetrating cable in biosafety laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214798744U true CN214798744U (en) | 2021-11-19 |
Family
ID=78689359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120859978.9U Active CN214798744U (en) | 2021-04-25 | 2021-04-25 | Sealing device for wall-penetrating cable in biosafety laboratory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214798744U (en) |
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2021
- 2021-04-25 CN CN202120859978.9U patent/CN214798744U/en active Active
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