CN104505780A - Junction box - Google Patents
Junction box Download PDFInfo
- Publication number
- CN104505780A CN104505780A CN201410589086.6A CN201410589086A CN104505780A CN 104505780 A CN104505780 A CN 104505780A CN 201410589086 A CN201410589086 A CN 201410589086A CN 104505780 A CN104505780 A CN 104505780A
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- Prior art keywords
- box body
- hole
- movable
- cavity
- screw
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a junction box, comprising a box body which is open on one end. A group of parallel side edges of the open portion of the box body are respectively provided with a fixing portion and a movable cavity. The fixing portion is provided with a screw hole. A movable portion is slidably disposed in the movable cavity. The movable portion is provided with a correction hole whose aperture is larger than the aperture of the screw hole. The lower end of the correction hole is connected with an extension portion. The internal of the extension portion is provided with a conical cavity and a screw through-hole connected with each other, and the conical cavity is communicated with the correction hole. The junction box is simple in structure. Especially when working personnel lifts hands and works high above the ground, a bolt can rapidly abut against the screw through-hole, so sealing of a cover plate and the box body is speed up, thereby greatly reducing labor intensity of workers.
Description
Technical field
The present invention relates to field of petroleum machinery, specifically refer to a kind of terminal box.
Background technology
Power cable wiring in oil warehouse should meet the following requirements: 1, the system of laying of cable distribution should according to factors such as engineering specifications, environmental quality, type of cable and quantity, by meet reliable, be convenient to safeguard and the principle such as technology, economical rationality is comprehensively determined; 2, the selection of cable trace should meet the following requirements: cable 1) should be avoided to suffer the harm such as mechanicalness external force, overheated, corrosion; 2) should be convenient to lay, safeguard; 3) construction land tenure in site planning or construction land should be avoided; 4) should meet under safety condition, make cable trace the shortest; 3, cable during surface, should not adopt the outer jacket easily prolonging combustion in indoor, cable trough, cable tunnel and electric shaft; 4, cable should not lay in the tunnel having heat distribution pipeline or raceway groove; 5, during cable laying, any crooked position all should meet the requirement allowing bending radius.
Introduce and draw the basis of building and structures, floor at cable and pass the places such as body of wall, or cable is by road and may be subject to the locations such as mechanical damage, again or cable draw ground 2m and easily contact with people the place making cable may be subject to mechanical damage to a section of 0.2m place, underground and need pipeline wiring.For the wiring installation on indoor wall, usually turning or multi-direction on the junction of many cables be provided with terminal box, to meet 180 ° of angles or the connection at 90 ° of angles of spool, and ensure the normal work and not by the impact of ambient humidity under good sealed environment of the joint of cable, prevent short circuit or mouse baits, the stability of maintenance circuitry cable work.In existing Iron-made rosette, the height be subject to because it is with low cost and process operation simple in industry uses, after but online box installs, to and the end of a thread connected seals time, due to the model of bolt and screw and diameter less, bolt is very inconvenient with docking of terminal box, operating personnel need repeatedly attempt, particularly when sealing the terminal box on ceiling, operating personnel need long-time work high above the ground and hand is held high, not only increase the difficulty of terminal box sealing, also greatly strengthen the working strength of operating personnel, simultaneously due in wiring process, the One's name is legion of terminal box, the terminal box sealing of high strength also makes to decline in the security reliability of work high above the ground.
Summary of the invention
The object of the present invention is to provide a kind of terminal box, the rapid abutting joint of bolt and screw when facilitating terminal box to seal, and then improve sealing speed.
Object of the present invention is achieved through the following technical solutions:
A kind of terminal box, comprise the box body that one end is open, one group of side be parallel to each other of described box body opening portion is separately installed with fixed part and movable cavity, fixed part has screw, movable part is slidably arranged in movable cavity, movable part has the correction hole that aperture is greater than screw aperture, and is connected with epitaxy part in the lower end of correction hole, described epitaxy part inside is provided with interconnective conical cavity and tapped through hole, and conical cavity is communicated with correction hole.When the present invention works, after the end of a thread connects parcel, by the cover plate be used in combination with box body, seal protection is carried out to box body, bolt is through the screw threaded engagement on the aperture of cover plate one end and fixed part, cover plate rotates until the aperture of the cover plate other end covers on movable part around fixed part, because the correction hole aperture on movable part is greater than the aperture of screw, when the open end of box body covers by cover plate completely, bolt can directly enter in correction hole through aperture, and movable part is slidably arranged on movable cavity, therefore correction hole has certain locomotive function on box body, make tray interior the end of a thread too much and overflow tray interior time, ensure that box body also can directly seal by cover plate completely by the suitable mobile of movable part, correction hole is communicated with cone-shaped cavity, tapped through hole, when the positive double thread through hole of bolt end, the object of the quick-fit that can realize bolt and tapped through hole and then the fast sealing arriving box body, when operating personnel are unsighted make the sloped-end of bolt enter correction hole time, the cone-shaped cavity inner wall smooth be communicated with correction hole, bolt end slides in tapped through hole fast after contacting with conical cavity body wall under the promotion of active force, so realize and tapped through hole quick-fit so that arrive the object of fast sealing of box body, the present invention is simple to operate, and particularly staff is when carrying out work high above the ground hand and holding operation high, and bolt realizes and the docking of tapped through hole fast, accelerates the sealing of cover plate and box body, greatly reduces the labour intensity of workman.
Described epitaxy part is the taper shape that external diameter size is successively decreased along box body bottom direction.In the space that box body is limited, increase once the number crossing line, it is narrow that the end of a thread connection space in box body seems too, epitaxy part is arranged to taper shape, and its external diameter successively decreases towards box body bottom direction, reduce taking of box intracorporeal space, optimize the layout of each structure member in box body.
Also comprise two springs, the cross section of movable cavity is round rectangle, and two spring one end are connected on two fillet inwalls of movable cavity, and the other end of spring is connected with the sidewall of movable part.When box body side direction is placed, namely when the open end of box body is parallel with vertical metope, movable part is in movable cavity bottom all the time, when carrying out cover plate for sealing to box body, inconvenient screw rod is through correction hole, the present invention is provided with spring on the two ends fillet inwall of movable cavity, the other end of spring is connected with the sidewall of movable part, and then ensure that movable part is while realizing being free to slide in movable cavity under stressing conditions, its position is in the middle part of movable cavity all the time, fast and accurately bolt is passed correction hole when handled easily personnel seal, improve the efficiency of box body sealing.
Guide vane end stop is connected with in the bottom of movable part.Install guide vane end stop can ensure when uncapping maintenance line, once occur running or corrosion between movable part and cover plate, staff can between screw rod is extracted fast, realize opening fast of cover plate.
Four sidewalls of described box body offer multiple nipple orifice, and be welded with seal cover in nipple orifice.The mounting means being arranged on the seal cover in nipple orifice is spot welding, being connected on box body partially over spot welding and then realizing the sealing of nipple orifice by seal cover, when needing to connect spool on any one direction of surrounding of box body, directly seal cover is taken out, by straight tube or union elbow, box body is connected with spool, improves practicality of the present invention.
The present invention compared with prior art, has following advantage and beneficial effect:
1, the present invention is simple to operate, and particularly staff is when carrying out work high above the ground hand and holding operation high, and bolt realizes and the docking of tapped through hole fast, accelerates the sealing of cover plate and box body, greatly reduces the labour intensity of workman;
2, movable part of the present invention is while realizing being free to slide in movable cavity under stressing conditions, and its position is in the middle part of movable cavity all the time, fast and accurately bolt is passed correction hole when handled easily personnel seal, and improves the efficiency of box body sealing;
3, the present invention is arranged on the mounting means of the seal cover in nipple orifice is spot welding, being connected on box body partially over spot welding and then realizing the sealing of nipple orifice by seal cover, when a direction needing connect spool four Mondays of box body, directly seal cover is taken out, by straight tube or union elbow, box body is connected with spool, improves practicality of the present invention.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the embodiment of the present invention, forms a application's part, does not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the partial sectional view of Fig. 1;
Fig. 3 is the schematic diagram of embodiment 1;
Mark and corresponding parts title in accompanying drawing:
1-fixed part, 2-box body, 3-nipple orifice, 4-epitaxy part, 5-movable part, 6-movable cavity, 7-guide vane end stop, 8-spring, 9-correction hole, 10-screw, 11-bolt, 12-cone-shaped cavity, 13-tapped through hole.
Embodiment
Clearly understand for making the object, technical solutions and advantages of the present invention, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and exemplary embodiment of the present invention and explanation thereof are only for explaining the present invention, not as a limitation of the invention.
Embodiment 1
As shown in Figure 1 to Figure 3, the present embodiment comprises the open box body 2 in one end, one group of side be parallel to each other of described box body 2 opening portion is separately installed with fixed part 1 and movable cavity 6, fixed part 1 has screw 10, movable part 5 is slidably arranged in movable cavity 6, movable part 5 has the correction hole 9 that aperture is greater than screw 10 aperture, and be connected with epitaxy part 4 in the lower end of correction hole 10, described epitaxy part 4 inside is provided with interconnective conical cavity and tapped through hole 13, and conical cavity is communicated with correction hole 9.When the present invention works, after the end of a thread connects parcel, by the cover plate be used in combination with box body 2, seal protection is carried out to box body 2, bolt 11 is through screw 10 threaded engagement on the aperture of cover plate one end and fixed part 1, cover plate rotates until the aperture of the cover plate other end covers on movable part 5 around fixed part 1, because correction hole 9 aperture on movable part 5 is greater than the aperture of screw 10, when the open end of box body 2 covers by cover plate completely, bolt 11 can directly enter in correction hole 9 through aperture, and movable part 5 is slidably arranged on movable cavity 6, therefore correction hole 9 has certain locomotive function on box body 2, when making the end of a thread in box body 2 inside too much and overflow box body 2 inside, ensure that box body 2 also can directly seal by cover plate completely by the suitable mobile of movable part 5, correction hole 9 and cone-shaped cavity 12, tapped through hole 13 is communicated with, when bolt 11 end positive double thread through hole 13, the object of the quick-fit that can realize bolt 11 and tapped through hole 13 and then the fast sealing arriving box body 2, when operating personnel are unsighted make the sloped-end of bolt 11 enter correction hole 9 time, cone-shaped cavity 12 inner wall smooth be communicated with correction hole 9, slide in tapped through hole 13 fast under the promotion of bolt 11 end at active force after contacting with cone-shaped cavity 12 wall, and then realize and tapped through hole 13 quick-fit so that arrive the object of fast sealing of box body 2, the present invention is simple to operate, and particularly staff is when carrying out work high above the ground hand and holding operation high, and the quick realization of bolt 11 is docked with tapped through hole 13, accelerates the sealing of cover plate and box body 2, greatly reduces the labour intensity of workman.
Wherein, described epitaxy part 4 is the taper shape that external diameter size is successively decreased along box body 2 bottom direction.In the space that box body 2 is limited, increase once the number crossing line, it is narrow that the end of a thread connection space in box body 2 seems too, epitaxy part 4 is arranged to taper shape, and its external diameter successively decreases towards box body 2 bottom direction, reduce taking of space in box body 2, optimize the layout of each structure member in box body 2.
Embodiment 2
As shown in Figure 2, the present embodiment, on the basis of embodiment 1, also comprises two springs 8, and the cross section of movable cavity 6 is round rectangle, and two spring 8 one end are connected on two fillet inwalls of movable cavity 6, and the other end of spring 8 is connected with the sidewall of movable part 5.When box body 2 side direction is placed, namely when the open end of box body 2 is parallel with vertical metope, movable part 5 is in movable cavity 6 bottom all the time, when carrying out cover plate for sealing to box body 2, inconvenient screw rod is through correction hole 9, the present invention is provided with spring 8 on the two ends fillet inwall of movable cavity 6, the other end of spring 8 is connected with the sidewall of movable part 5, and then ensure that movable part 5 is while realizing being free to slide in movable cavity 6 under stressing conditions, its position is in the middle part of movable cavity 6 all the time, fast and accurately bolt 11 is passed correction hole 9 when handled easily personnel seal, improve the efficiency that box body 2 seals.
As preferably, be connected with guide vane end stop 7 in the bottom of movable part 5.Install guide vane end stop 7 can ensure when uncapping maintenance line, once occur running or corrosion between movable part 5 and cover plate, staff can between screw rod is extracted fast, realize opening fast of cover plate.
Embodiment 3
As shown in Figure 1, the present embodiment, on the basis of embodiment 1, four sidewalls of described box body 2 offers multiple nipple orifice 3, and be welded with seal cover in nipple orifice 3.The mounting means being arranged on the seal cover in nipple orifice 3 is spot welding, being connected on box body 2 partially over spot welding and then realizing the sealing of nipple orifice 3 by seal cover, when needing to connect spool on any one direction of surrounding of box body 2, directly seal cover is taken out, by straight tube or union elbow, box body 2 is connected with spool, improves practicality of the present invention.
Above-described embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection range be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a terminal box, comprise the box body (2) that one end is open, it is characterized in that: on one group of side be parallel to each other of described box body (2) opening portion, be separately installed with fixed part (1) and movable cavity (6), fixed part (1) has screw (10), movable part (5) is slidably arranged in movable cavity (6), movable part (5) has the correction hole (9) that aperture is greater than screw (10) aperture, and be connected with epitaxy part (4) in the lower end of correction hole (9), described epitaxy part (4) inside is provided with interconnective conical cavity (12) and tapped through hole (13), and conical cavity (12) is communicated with correction hole (9).
2. a kind of terminal box according to claim 1, is characterized in that: the taper shape that described epitaxy part (4) successively decreases along box body (2) bottom direction for external diameter size.
3. a kind of terminal box according to claim 1, it is characterized in that: also comprise two springs (8), the cross section of movable cavity (6) is round rectangle, two spring (8) one end are connected on two fillet inwalls of movable cavity (6), and the other end of spring (8) is connected with the sidewall of movable part (5).
4. a kind of terminal box according to claim 3, is characterized in that: be connected with guide vane end stop (7) in the bottom of movable part (5).
5. a kind of terminal box according to claim 1 ~ 4 any one, is characterized in that: four sidewalls of described box body (2) offer multiple nipple orifice (3), and be welded with seal cover in nipple orifice (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410589086.6A CN104505780A (en) | 2014-10-29 | 2014-10-29 | Junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410589086.6A CN104505780A (en) | 2014-10-29 | 2014-10-29 | Junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104505780A true CN104505780A (en) | 2015-04-08 |
Family
ID=52947510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410589086.6A Pending CN104505780A (en) | 2014-10-29 | 2014-10-29 | Junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104505780A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105552635A (en) * | 2016-02-03 | 2016-05-04 | 郑飞轮 | Bottom box for wall switch or socket |
| CN113054605A (en) * | 2021-04-23 | 2021-06-29 | 四川航安新材料有限公司 | Cable pre-buried sleeve |
| CN116598973A (en) * | 2023-07-17 | 2023-08-15 | 江苏泽润新能科技股份有限公司 | Watertight junction box |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08205354A (en) * | 1995-01-26 | 1996-08-09 | Matsushita Electric Works Ltd | Box for wiring |
| CN201113332Y (en) * | 2007-10-16 | 2008-09-10 | 彭建林 | Metal connection box |
| CN202260322U (en) * | 2011-10-14 | 2012-05-30 | 杨康美 | Metal junction box with stretch yarns |
| CN203562722U (en) * | 2013-11-01 | 2014-04-23 | 彭刚 | Conjunction box connected by overlapping lugs |
| CN104009430A (en) * | 2014-05-13 | 2014-08-27 | 安徽省含山县预应力铸造厂 | PVC connecting box |
| CN204271567U (en) * | 2014-10-29 | 2015-04-15 | 成都科盛石油科技有限公司 | Fast sealing type terminal box |
-
2014
- 2014-10-29 CN CN201410589086.6A patent/CN104505780A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08205354A (en) * | 1995-01-26 | 1996-08-09 | Matsushita Electric Works Ltd | Box for wiring |
| CN201113332Y (en) * | 2007-10-16 | 2008-09-10 | 彭建林 | Metal connection box |
| CN202260322U (en) * | 2011-10-14 | 2012-05-30 | 杨康美 | Metal junction box with stretch yarns |
| CN203562722U (en) * | 2013-11-01 | 2014-04-23 | 彭刚 | Conjunction box connected by overlapping lugs |
| CN104009430A (en) * | 2014-05-13 | 2014-08-27 | 安徽省含山县预应力铸造厂 | PVC connecting box |
| CN204271567U (en) * | 2014-10-29 | 2015-04-15 | 成都科盛石油科技有限公司 | Fast sealing type terminal box |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105552635A (en) * | 2016-02-03 | 2016-05-04 | 郑飞轮 | Bottom box for wall switch or socket |
| CN113054605A (en) * | 2021-04-23 | 2021-06-29 | 四川航安新材料有限公司 | Cable pre-buried sleeve |
| CN116598973A (en) * | 2023-07-17 | 2023-08-15 | 江苏泽润新能科技股份有限公司 | Watertight junction box |
| CN116598973B (en) * | 2023-07-17 | 2023-09-26 | 江苏泽润新能科技股份有限公司 | Watertight junction box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150408 |
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| RJ01 | Rejection of invention patent application after publication |