CN213521178U - Concealed laying grounding device for deformation joint - Google Patents
Concealed laying grounding device for deformation joint Download PDFInfo
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- CN213521178U CN213521178U CN202022378569.5U CN202022378569U CN213521178U CN 213521178 U CN213521178 U CN 213521178U CN 202022378569 U CN202022378569 U CN 202022378569U CN 213521178 U CN213521178 U CN 213521178U
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Abstract
The utility model relates to a hidden laying grounding device for a deformation joint, which comprises a first grounding box and a second grounding box which are respectively embedded in the wall bodies at the two sides of the deformation joint and are symmetrically arranged, a first mounting sleeve arranged in the first grounding box and a second mounting sleeve arranged in the second grounding box; one end of the first mounting sleeve is fixed in the first grounding box, and the other end of the first mounting sleeve penetrates through the first grounding box and extends towards the second grounding box; one end of the second mounting sleeve is fixed in the second grounding box, and the other end of the second mounting sleeve penetrates through the second grounding box and extends towards the first grounding box; an outer guide pipe is arranged in the first grounding box, one end of the outer guide pipe is fixed in the first mounting sleeve penetrating out of the first grounding box, and the other end of the outer guide pipe penetrates out of the wall body and then enters the deformation joint; an inner conduit is arranged in the second grounding box, one end of the inner conduit is fixed in a second mounting sleeve penetrating out of the second grounding box, and the other end of the inner conduit penetrates into the outer conduit in a sliding manner and extends into the first grounding box; and a grounding terminal is also fixed in the first grounding box.
Description
Technical Field
The utility model relates to a cross stealthy earthing device that applies of movement joint belongs to electrical industry technical field.
Background
The grounding device is a device which enables electrical connection to be formed between electrical equipment and the ground, and further achieves the purpose of grounding the electrical equipment.
When the building is designed, the deformation joint is set corresponding to the temperature expansion and contraction, the settlement deformation and the earthquake influence on the building, the deformation joint can avoid the crack of the building structure, and the common deformation joint mainly comprises an expansion joint, a settlement joint and an earthquake-resistant joint. When the electric pipeline is laid through a deformation joint of a building, the cable can be displaced and distorted, and can be broken in severe cases, which can seriously affect the safety of personnel and property, so that certain compensation measures need to be taken to avoid the problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a cross deformation joint's secret earthing device that applies can avoid the cable in the electric pipeline to produce the problem of distortion, snapping earth connection when passing through the deformation joint.
The technical scheme of the utility model as follows:
a hidden grounding device for a deformation joint comprises a first grounding box and a second grounding box which are respectively embedded in walls on two sides of the deformation joint and are symmetrically arranged, a first mounting sleeve arranged in the first grounding box and a second mounting sleeve arranged in the second grounding box; one end of the first mounting sleeve is fixed in the first grounding box, and the other end of the first mounting sleeve penetrates through the first grounding box and extends towards the second grounding box; one end of the second mounting sleeve is fixed in the second grounding box, and the other end of the second mounting sleeve penetrates through the second grounding box and extends towards the first grounding box; an outer guide pipe is arranged in the first grounding box, one end of the outer guide pipe is fixed in the first mounting sleeve penetrating out of the first grounding box, and the other end of the outer guide pipe penetrates out of the wall body and then enters the deformation joint; an inner guide pipe is arranged in the second grounding box, one end of the inner guide pipe is fixed in the second mounting sleeve penetrating out of the second grounding box, and the other end of the inner guide pipe penetrates into the outer guide pipe in a sliding mode and extends into the first grounding box; and a grounding terminal connected with the grounding body is also fixed in the first grounding box.
Furthermore, a limiting ring is arranged at one end of the inner guide pipe extending into the first grounding box, and the diameter of the limiting ring is larger than the inner diameter of the first mounting sleeve; the length of the inner conduit extending into the first grounding box is more than 30 mm.
Further, the first mounting sleeve comprises a first sleeve and a first flange which are fixed with each other; the first sleeve is fixed on the outer side wall of the first grounding box, and the first flange is fixed on the inner side wall of the first grounding box.
Further, the second mounting sleeve comprises a second sleeve and a second flange which are fixed with each other; the second sleeve is fixed on the outer side wall of the second grounding box, and the second flange is fixed on the inner side wall of the second grounding box.
Furthermore, the first sleeve and the first flange as well as the second sleeve and the second flange are all integrally formed structures; the lateral walls of the first grounding box and the second grounding box are provided with through holes, and the first sleeve and the first flange, and the second sleeve and the second flange are respectively fixed in the two through holes.
Further, one end of the outer guide pipe is in threaded connection with the first sleeve; one end of the inner conduit is in threaded connection with the second sleeve.
Further, the outer guide pipe is inclined downwards from the first sleeve to the deformation joint.
The utility model discloses following beneficial effect has:
1. when the concealed laying grounding device for the over-deformation joint is used, one end of a grounding wire is connected with indoor electrical equipment, and the other end of the grounding wire is led into a first grounding box from a second grounding box through an inner conduit and is connected with a grounding terminal fixed on the inner side wall of the first grounding box; the grounding terminal is arranged in the first grounding box, the first grounding box can protect the grounding terminal from being damaged due to corrosion and pulling, and meanwhile, the wiring and the disconnection are convenient; the inner guide pipe transversely crosses the deformation joint and can stretch and slide in the outer guide pipe, the inner guide pipe stretches into the first grounding box, when the wall bodies on two sides of the deformation joint are displaced, the inner guide pipe and the outer guide pipe are relatively displaced, and the distortion and the breaking of the grounding wire can be avoided.
2. The utility model discloses well inner conduit stretches into the one end in the first ground connection box and is equipped with the spacing ring, and the diameter of spacing ring is greater than the aperture of first installation cover, can avoid when the movement joint widen or shift from top to bottom when too big, directly drags the interface of earth connection and ground connection terminal, leads to the interface to be pulled apart and produce danger or electrical damage.
3. The utility model provides an inner tube has certain deformability, consequently can avoid the movement joint to lead to the inner tube fracture because of the wall body aversion of both sides, adopts metal collapsible tube sealed, durable, plays fine guard action to the cable.
4. The utility model discloses well external pipe is by first sleeve to movement joint direction downward sloping setting, can avoid leaking water and leading to water to flow backward to lead to dangerous the emergence in the first ground connection box from the external pipe mouth of pipe in the movement joint.
Drawings
Fig. 1 is a schematic structural view of the present invention;
the reference numbers in the figures denote:
1. deformation joints; 2. a wall body; 3. a first grounding box; 4. a second ground box; 5. a first mounting sleeve; 51. a first sleeve; 52. a first flange; 6. a second mounting sleeve; 61. a second sleeve; 62. a second flange; 7. an outer catheter; 8. an inner conduit; 9. a ground terminal; 10. a limiting ring; 101. and a ground line.
Detailed Description
Referring to the attached drawing 1, the concealed laying grounding device for the deformation joint comprises a first grounding box 3 and a second grounding box 4 which are respectively embedded in wall bodies 2 at two sides of the deformation joint 1 and are symmetrically arranged, a first mounting sleeve 5 arranged in the first grounding box 3 and a second mounting sleeve 6 arranged in the second grounding box 4; one end of the first mounting sleeve 5 is fixed in the first grounding box 3, and the other end of the first mounting sleeve penetrates through the first grounding box 3 and then extends towards the second grounding box 4; one end of the second mounting sleeve 6 is fixed in the second grounding box 4, and the other end of the second mounting sleeve penetrates through the second grounding box 4 and extends towards the first grounding box 3; an outer guide pipe 7 is arranged in the first grounding box 3, one end of the outer guide pipe 7 is fixed in the first mounting sleeve 5 penetrating out of the first grounding box 3, and the other end of the outer guide pipe 7 penetrates out of the wall body 2 and then enters the deformation joint 1; an inner guide pipe 8 is arranged in the second grounding box 4, one end of the inner guide pipe 8 is fixed in the second mounting sleeve 6 penetrating out of the second grounding box 4, and the other end of the inner guide pipe 8 penetrates into the outer guide pipe 7 in a sliding manner and extends into the first grounding box 3; the first grounding box 3 is also internally fixed with a grounding terminal 9, the grounding terminal 9 is connected with a grounding body (not shown in the figure), and the first grounding box 3 can play a role of protecting the grounding terminal, so that the grounding terminal is prevented from being damaged due to corrosion and pulling, and meanwhile, the wiring and the disconnection are convenient; the grounding terminal 9 is connected with a grounding wire 101, the grounding wire 101 is led into the second grounding box 4 from the first grounding box 3 through the inner guide pipe 8, the length of the grounding wire 101 is reserved, and a deformation space is reserved for the deformation joint 1.
Furthermore, a limiting ring 10 is arranged at one end of the inner guide pipe 8 extending into the first grounding box 3, the diameter of the limiting ring 10 is larger than the inner diameter of the first mounting sleeve 5, and the limiting ring 10 can prevent the inner guide pipe 8 from being separated from the first mounting sleeve 5; the length of the inner guide pipe 8 extending into the first grounding box 3 is more than 30mm, so that the interface between the grounding wire 101 and the grounding terminal 9 is prevented from being pulled directly when the deformation joint 1 is widened or displaced excessively up and down, and the interface is prevented from being broken to cause danger or electrical damage.
Further, the first mounting sleeve 5 comprises a first sleeve 51 and a first flange 52 fixed to each other, and in this embodiment, the first sleeve 51 and the first flange 52 are an integrally formed structure; a through hole is formed in the side wall of the first grounding box 3, and a first sleeve 51 and a first flange 52 are fixed in the through hole in a penetrating manner; the first sleeve 51 is fixed on the outer side wall of the first grounding box 3, and the first flange 52 is fixed on the inner side wall of the first grounding box 3.
Further, the second mounting sleeve 6 comprises a second sleeve 61 and a second flange 62 fixed to each other, and in this embodiment, the second sleeve 61 and the second flange 62 are an integral structure; a through hole is formed in the side wall of the second grounding box 4, and the second sleeve 61 and the second flange 62 are fixed in the through hole in a penetrating manner; the second sleeve 61 is fixed on the outer side wall of the second grounding box 4, and the second flange 62 is fixed on the inner side wall of the second grounding box 4.
Further, one end of the outer conduit 7 is screwed with the first sleeve 51; one end of the inner conduit 8 is in threaded connection with the second sleeve 62, so that the outer conduit 7 and the inner conduit 8 are convenient to disassemble; the inner guide pipe 8 is a flexible guide pipe, and the flexible guide pipe has certain deformation capacity, so that the inner guide pipe 8 can be prevented from being broken due to the displacement of the wall bodies 2 on the two sides of the deformation joint 1; the adopted flexible conduit is a metal hose, and has the advantages of sealing and durability.
Further, the outer conduit 8 is inclined downwards from the first sleeve 51 to the deformation joint 1, so as to avoid water leakage in the deformation joint 1, which leads to water flowing backwards from the opening of the outer conduit 8 into the first grounding box 3.
The utility model discloses a theory of operation:
when the concealed laying grounding device for the deformation joint is used, one end of a grounding wire 101 is connected with indoor electrical equipment, the other end of the grounding wire is led into a first grounding box 3 from a second grounding box 4 through an inner conduit 8 and is connected with a grounding terminal 9, and the grounding terminal 9 is connected with a grounding body to lead current into the ground; wherein, interior pipe 8 crosses movement joint 1 to can stretch out and draw back the slip in outer pipe 7, when the wall body 2 of movement joint 1 both sides takes place to shift, interior pipe 7 takes place relative displacement with outer pipe 8, can avoid the distortion, break ground connection 101.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transformation that the specification and content do, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.
Claims (7)
1. The utility model provides a hidden earthing device that applies of excessive movement joint which characterized in that: the device comprises a first grounding box (3) and a second grounding box (4) which are respectively embedded in the wall bodies (2) at two sides of a deformation joint (1) and are symmetrically arranged, a first mounting sleeve (5) arranged in the first grounding box (3) and a second mounting sleeve (6) arranged in the second grounding box (4); one end of the first mounting sleeve (5) is fixed in the first grounding box (3), and the other end of the first mounting sleeve penetrates through the first grounding box (3) and extends towards the second grounding box (4); one end of the second mounting sleeve (6) is fixed in the second grounding box (4), and the other end of the second mounting sleeve penetrates through the second grounding box (4) and extends towards the first grounding box (3); an outer guide pipe (7) is arranged in the first grounding box (3), one end of the outer guide pipe (7) is fixed in a first mounting sleeve (5) penetrating out of the first grounding box (3), and the other end of the outer guide pipe penetrates out of the wall body (2) and then enters the deformation joint (1); an inner guide pipe (8) is arranged in the second grounding box (4), one end of the inner guide pipe (8) is fixed in a second mounting sleeve (6) penetrating out of the second grounding box (4), and the other end of the inner guide pipe (8) penetrates into an outer guide pipe (7) in a sliding mode and extends into the first grounding box (3); and a grounding terminal (9) connected with the grounding body is also fixed in the first grounding box (3).
2. A blind grounding device for a deformation joint according to claim 1, wherein: a limiting ring (10) is arranged at one end of the inner guide pipe (8) extending into the first grounding box (3), and the diameter of the limiting ring (10) is larger than the inner diameter of the first mounting sleeve (5); the length of the inner conduit (8) extending into the first grounding box (3) is more than 30 mm.
3. A blind grounding device for a deformation joint according to claim 2, wherein: the first mounting sleeve (5) comprises a first sleeve (51) and a first flange (52) which are fixed with each other; the first sleeve (51) is fixed on the outer side wall of the first grounding box (3), and the first flange (52) is fixed on the inner side wall of the first grounding box (3).
4. A blind grounding device for a secondary deformation joint, as claimed in claim 3, wherein: the second mounting sleeve (6) comprises a second sleeve (61) and a second flange (62) which are fixed with each other; the second sleeve (61) is fixed on the outer side wall of the second grounding box (4), and the second flange (62) is fixed on the inner side wall of the second grounding box (4).
5. A blind grounding device for a secondary deformation joint, as claimed in claim 4, wherein: the first sleeve (51), the first flange (52), the second sleeve (61) and the second flange (62) are all integrally formed structures; the side walls of the first grounding box (3) and the second grounding box (4) are provided with through holes, and the first sleeve (51), the first flange (52), the second sleeve (61) and the second flange (62) are fixed in the two through holes respectively.
6. A blind grounding device for a secondary deformation joint, as claimed in claim 5, wherein: one end of the outer conduit (7) is in threaded connection with the first sleeve (51); one end of the inner conduit (8) is in threaded connection with the second sleeve (61).
7. A blind grounding device for a secondary deformation joint, as claimed in claim 6, wherein: the outer guide pipe (7) is inclined downwards from the first sleeve (51) to the deformation joint (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022378569.5U CN213521178U (en) | 2020-10-23 | 2020-10-23 | Concealed laying grounding device for deformation joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022378569.5U CN213521178U (en) | 2020-10-23 | 2020-10-23 | Concealed laying grounding device for deformation joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213521178U true CN213521178U (en) | 2021-06-22 |
Family
ID=76401723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022378569.5U Active CN213521178U (en) | 2020-10-23 | 2020-10-23 | Concealed laying grounding device for deformation joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213521178U (en) |
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2020
- 2020-10-23 CN CN202022378569.5U patent/CN213521178U/en active Active
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