CN211313044U

CN211313044U - Building ceiling access hole structure

Info

Publication number: CN211313044U
Application number: CN201922072862.6U
Authority: CN
Inventors: 陈杜; 谈杰; 刘乘鸾
Original assignee: Wuhan Huatianlun Building Decoration Engineering Co ltd
Current assignee: Wuhan Huatianlun Building Decoration Engineering Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-08-21
Anticipated expiration: 2029-11-25

Abstract

The utility model relates to a building ceiling access hole structure, include: removable mounting is at the cardboard on the access hole inner wall, slide and set up multiunit grafting portion and rotation on the cardboard and inlay and establish in access hole corner and be used for promoting the location rebound spare that grafting portion breaks away from the access hole fast with multiunit grafting portion one-to-one joint, the constant head tank has all inwards been seted up in four corners of access hole perisporium, a plurality of spouts have been seted up along the vertical link up of its diagonal direction to the cardboard, grafting portion includes that a plurality of slides inlay the connecting rod of locating in the spout, and four corners of access hole perisporium all set up the constant head tank with the connecting rod grafting adaptation. The utility model discloses an operating personnel promotes the slide bar one by one, makes the inserted bar slide in the spout and supports the back until its tip is extensive with vertical section, continues to impel and drives the inserted bar and rotate along the dead lever axis, all accomplishes the installation back when the four corners, and the cardboard is firm to be assembled on the ceiling, has and can avoid the cardboard to be blown away easily, the good effect of stability.

Description

Building ceiling access hole structure

Technical Field

The utility model belongs to the technical field of indoor suspended ceiling's technique and specifically relates to a building ceiling access hole structure is related to.

Background

The ceiling access hole is a device which is arranged in a suspended ceiling and can be independently opened, because most of signal transmission lines, electric wires, air-conditioning air ducts and the like of the existing building are hidden above the ceiling, and once the lines or the pipelines are damaged and break down, maintenance personnel are required to carry out maintenance work above the ceiling; however, the installed ceiling is difficult to open, and the small size of the single ceiling is inconvenient for operators to carry out maintenance work, so that an access hole structure is additionally arranged on the ceiling during construction so as to facilitate subsequent maintenance work by the operators.

The Chinese patent with the publication number of CN207211474U is searched at present and discloses a building ceiling access hole structure, which comprises a ceiling and an access hole arranged on the ceiling, wherein two sides of the upper end of the ceiling are provided with grooves, the grooves are positioned on two sides of the access hole, magnetic sheets are laminated in the grooves, the access hole is movably inserted with a clamping plate, two ends of the clamping plate are connected with the clamping plates used for inserting the grooves, and the clamping plates are fixed in the grooves through the magnetic sheets.

The above prior art solutions have the following drawbacks: the magnet is additionally arranged between the ceiling and the clamping plate to enhance the connection stability between the ceiling and the clamping plate, but the main component of the ferromagnetism is ferroferric oxide, the surface of the ferroferric oxide is easily oxidized and rusted after being exposed in the air for a long time, the magnetism is weakened, the cover plate is difficult to ensure not to be blown up by wind, and the stability is lower, so the scheme is to be improved.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a building ceiling access hole structure has the advantage that ceiling and cardboard installation steadiness are high.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a building ceiling access hole structure, include demountable installation cardboard on the access hole inner wall, slide set up in multiunit grafting portion and rotation on the cardboard inlay establish in access hole corner and with the multiunit the grafting portion one-to-one joint is used for promoting the grafting portion breaks away from the location rebound spare of access hole fast, and the constant head tank has all inwards been seted up in four corners of access hole perisporium.

The cardboard has seted up a plurality of spouts along its diagonal direction is vertical to link up, grafting portion includes that a plurality of slip inlays locates connecting rod in the spout, and four corners of perisporium in the access hole all seted up with the constant head tank of connecting rod grafting adaptation.

Through adopting above-mentioned technical scheme, the cardboard is located the access hole, and make cardboard diapire flush with the ceiling bottom surface, grafting portion all is in same axis with corresponding constant head tank this moment, operating personnel promotes grafting portion to slide in the spout one by one and contradicts with location resilience piece until its tip is extensive, drive location resilience piece when continuing to impel and rotate, and make the location resilience piece's part together accomplish the grafting location in deepening the constant head tank, all accomplish the installation back when the four corners, the cardboard just stabilizes the assembly on the ceiling, convenient operation stability is good, make the cardboard can not blown away by wind easily, and operating personnel can install and tear in the lower convenience of ceiling, the efficiency is higher labour saving and time saving.

The utility model discloses can further configure to in a preferred example, the connecting rod includes inserted bar and slide bar, the slide bar be the type of falling T setting and set firmly perpendicularly in the bottom of inserted bar is epitaxial, spout cross-section I shape, the inserted bar horizontal slip inlays to be established on the diapire of spout, the vertical running through in slide bar pole portion the spout, just slide bar step face laminate in the bottom surface of cardboard.

By adopting the technical scheme, an operator holds the end part of the sliding rod by hand to enable the sliding rod to slide along the axis direction of the sliding groove, and simultaneously drives the inserted rod to move towards the positioning groove on the bottom wall of the sliding groove, so that the guidance performance is better, the deviation is reduced, and the inserted rod and the guide groove can be ensured to be accurately butted; the section of inserted bar and slide bar is the I shape and slides and connect in the spout, and the bottom surface of inserted bar laminates in the spout diapire all the time to the slip process that makes the inserted bar is more stable.

The utility model discloses can further configure into, a plurality of in a preferred example two of constant head tank are extended and have all been seted up and have been rotated the groove, just the constant head tank with rotate the groove intercommunication, location resilience piece including vertical set firmly in rotate the dead lever in the inslot and rotate the cover and locate the epaxial rotor plate of dead lever week.

The utility model discloses can further configure to in a preferred example, the rotor plate includes that the activity inlays to be established rotate the inslot vertical section and with the smooth bending segment of laminating of inserted bar tip, work as the inserted bar plug-in connect to when in the constant head tank, the bending segment lateral wall with constant head tank inner wall butt, and vertical section with the connecting rod is in on the same axis.

Through adopting above-mentioned technical scheme, promote the slide bar and remove and make the inserted bar tip and the tip butt of bending segment and promote the rotor plate gradually and rotate along the dead lever axis along the axis of spout, when the tip embedding constant head tank of inserted bar in, vertical section hugs closely respectively on the both sides of inserted bar to make the cardboard can stabilize on the access hole inner wall.

The utility model discloses can further configure to in a preferred example, location rebound spare is still located including the cover the torsional spring of dead lever week side, and two the torsional spring is located respectively the both ends tip of dead lever, the one end of torsional spring set firmly in on the rotor plate lateral wall, the other end respectively fixed connection be in rotate on the double-phase corresponding surface of inslot wall.

Through adopting above-mentioned technical scheme, the setting up of torsional spring still has certain centre gripping dynamics after can making rotor plate and the level and smooth laminating of inserted bar lateral wall, avoids the inserted bar to take off from the interior pine of constant head tank easily, has improved and has connected the steadiness.

The utility model discloses can further configure to in a preferred example, it is used for with still to peg graft movably in the spout the inserted bar is located the latch piece in the constant head tank.

By adopting the technical scheme, on one hand, the arrangement of the plug pin block can plug the plug rod into the positioning groove, so that the gap formed by the sliding groove is blocked, and the sealing property is improved; on the other hand can avoid the mistake to touch the slide bar, makes the torsional spring kick-back carelessly, and dangerous condition such as cardboard drops from the access hole takes place, has improved the security of cardboard installation.

The utility model discloses can further configure to in a preferred example, the one end of bolt piece has set firmly the chain, just the other end of chain articulates the bottom of cardboard.

Through adopting above-mentioned technical scheme, the chain links to each other the latch piece with the cardboard, can ensure that the latch piece is not lost.

The utility model discloses can further configure to in a preferred example, the bottom of cardboard is extended to be set firmly round rubber seal strip.

Through adopting above-mentioned technical scheme, the leakproofness between cardboard and the access hole has been improved.

To sum up, the utility model discloses a following beneficial technological effect:

1. an operator pushes the sliding rods one by one, so that the inserting rods slide in the sliding grooves until the extensions of the end parts of the inserting rods are abutted against the vertical sections, the inserting rods are continuously pushed to drive to rotate along the axes of the fixed rods, and after the four corners of the inserting rods are completely installed, the clamping plates are stably assembled on a ceiling, so that the clamping plates can be prevented from being easily blown away, and the stability is good;

2. the cross sections of the inserted link and the sliding rod are I-shaped and are connected in the sliding groove in a sliding manner, the bottom surface of the inserted link is always attached to the bottom wall of the sliding groove, the guidance performance is better, the deviation is reduced, the accurate butt joint of the inserted link and the guide groove can be ensured, and the sliding process of the inserted link is more stable;

3. on one hand, the arrangement of the pin block can plug the inserted rod into the positioning groove, so that a gap formed by the sliding groove is blocked, and the sealing property is improved; on the other hand can avoid the mistake to touch the slide bar, makes the torsional spring kick-back carelessly, and dangerous condition such as cardboard drops from the access hole takes place, has improved the security of cardboard installation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is an enlarged view at B in FIG. 2;

fig. 4 is an exploded schematic view of the present invention;

fig. 5 is an enlarged view at C in fig. 4.

Reference numerals: 1. clamping a plate; 2. a connecting rod; 21. inserting a rod; 22. a slide bar; 3. positioning a groove; 4. a chute; 5. a rotating groove; 6. fixing the rod; 7. a rotating plate; 71. a vertical section; 72. bending the section; 8. a torsion spring; 9. a latch block; 10. a chain; 11. a rubber sealing strip.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a building ceiling access hole structure, including the rectangle cardboard 1 of demountable installation on access hole inner wall four sides week side, slip inlay the four groups grafting portions of locating 1 top surfaces of cardboard and rotate and inlay and establish and inwards seted up four constant head tanks 3 perpendicularly in access hole corner (show in fig. 4), and all rotate in every constant head tank 3 and be connected with the location rebound spare, the bottom of cardboard 1 has set firmly round rubber seal strip 11 on extending to the leakproofness between cardboard 1 and the access hole has been improved.

The 1 level of cardboard sets up, four spout 4 (show in figure 4) have been seted up along its diagonal direction is vertical to link up on the surface of cardboard 1, grafting portion inlays the connecting rod 2 of establishing in spout 4 including sliding, and four connecting rods 2 run through four spout 4 respectively and extend to the bottom surface of cardboard 1, four connecting rods 2 respectively with four location rebound spare one-to-ones and connecting rod 2's tip activity joint to constant head tank 3 in to realize the high-efficient installation of grafting portion or break away from the access hole fast.

Refer to fig. 3 and fig. 4, when operating personnel installs cardboard 1, at first place cardboard 1 in the access hole, and make 1 diapire of cardboard flush with the ceiling bottom surface, connecting rod 2 all is in on the same axis with corresponding constant head tank 3 this moment, promote connecting rod 2 to slide in spout 4 one by one again, it contradicts with location resilience piece to extend until its tip, then continuously advance, force location resilience piece to rotate, simultaneously with location resilience piece's part together with connecting rod 2 together accomplish the grafting location in deepening constant head tank 3, after the installation is all accomplished in four corners, cardboard 1 just can stabilize the assembly on the ceiling, convenient operation stability is good, make cardboard 1 can not blown away by the wind easily, and operating personnel can install and tear in the convenience of the lower of ceiling, the higher labour saving and time saving of efficiency.

When the connecting rod 2 is positioned in the positioning groove 3, a plug pin block 9 for positioning the connecting rod 2 in the positioning groove 3 is movably inserted in the sliding groove 4, the bottom end of the plug pin block 9 is fixedly connected with a chain 10, and the other end of the chain 10 is hinged to the bottom end of the clamping plate 1, so that the plug pin block 9 can be ensured not to be carelessly lost by an operator when the clamping plate 1 is installed, and the plug pin block 9 can be arranged to plug the plug rod 21 into the positioning groove 3, so that a gap formed by the sliding groove 4 is blocked, and the sealing property is improved; on the other hand, the situation that the sliding rod 22 is touched by mistake, the torsion spring 8 rebounds carelessly, the clamping plate 1 falls from the access hole and the like is avoided, and the installation safety of the clamping plate 1 is improved.

Referring to fig. 3 and 4, the connecting rod 2 comprises an inserting rod 21 arranged in an L shape, and a sliding rod 22 arranged in an inverted T shape and extending and fixedly arranged at the bottom end of the inserting rod 21 and sliding matched with the inner wall of the sliding groove 4 in a sliding manner, the cross section of the sliding groove 4 is in an i shape, the bottom wall of the inserting rod 21 is horizontally embedded on the upper bottom wall of the sliding groove 4 in a sliding manner, the rod part of the sliding rod 22 vertically penetrates through the sliding groove 4, the step surface of the sliding rod 22 is smoothly attached to the bottom surface of the clamping plate 1, an operator holds the end part of the sliding rod 22 to enable the sliding rod 22 to slide along the axial direction of the sliding groove 4, and simultaneously drives the inserting rod 21 to move towards the positioning groove 3 on the bottom wall of the sliding groove 4, so that the; the cross sections of the inserted link 21 and the sliding rod 22 are in an I shape and are connected in the sliding groove 4 in a sliding manner, and the bottom surface of the inserted link 21 is always attached to the bottom wall of the sliding groove 4, so that the sliding process of the inserted link 21 is more stable.

Referring to fig. 4 and 5, two extensions of the positioning groove 3 are respectively provided with a rectangular rotating groove 5, the positioning groove 3 is communicated with the rotating groove 5, a cylindrical fixing rod 6 is vertically and fixedly arranged at the intersection of the positioning groove 3 and the rotating groove 5, the periphery of the fixing rod 6 is rotatably sleeved on a rectangular rotating plate 7 on the periphery of the fixing rod 6, the rotating plate 7 is integrally in an L shape, the rotating plate 7 comprises a vertical section 71 movably embedded in the rotating groove 5 and a bending section 72 smoothly attached to the end of the insertion rod 21, when the insertion rod 21 is inserted into the positioning groove 3, the side wall of the bending section 72 is abutted against the inner wall of the positioning groove 3, the vertical section 71 and the connecting rod 2 are positioned on the same axis, the sliding rod 22 is pushed to move along the axis of the sliding groove 4, the end of the insertion rod 21 is abutted against the end of the bending section 72, the rotating plate 7 is gradually pushed to rotate along the axis of the fixing rod 6, when the end, the vertical sections 71 are respectively tightly attached to both sides of the insertion rod 21, so that the card board 1 can be stably fixed on the inner wall of the access opening.

Referring to fig. 5, the positioning resilient member further comprises a torsion spring 8 sleeved on the periphery of the fixing rod 6, the two torsion springs 8 are respectively located at the two ends of the fixing rod 6, one end of the torsion spring 8 is fixedly arranged on the side wall of the rotating plate 7, the other end of the torsion spring is respectively and fixedly connected to the two corresponding surfaces of the inner wall of the rotating groove 5, the torsion spring 8 is arranged to enable the rotating plate 7 and the side wall of the inserting rod 21 to be smoothly attached and then to have certain clamping force, the inserting rod 21 is prevented from being easily loosened from the positioning groove 3, and the connecting stability is improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A building ceiling access hole structure which characterized in that: the inspection well comprises a clamping plate (1) detachably arranged on the inner wall of an inspection well, a plurality of groups of inserting parts arranged on the clamping plate (1) in a sliding manner, and positioning resilient members which are rotatably embedded at corners of the inspection well and are in one-to-one corresponding clamping connection with the plurality of groups of inserting parts and used for pushing the inserting parts to be quickly separated from the inspection well, wherein positioning grooves (3) are formed in four corners of the inner wall of the inspection well inwards;

cardboard (1) has seted up a plurality of spouts (4) along its diagonal vertical link up, grafting portion includes that a plurality of slides inlay and locates connecting rod (2) in spout (4), and four corners of inspection hole perisporium all seted up with constant head tank (3) of connecting rod (2) grafting adaptation.

2. The ceiling access hole structure of the building as claimed in claim 1, wherein the connecting rod (2) comprises an inserting rod (21) and a sliding rod (22), the sliding rod (22) is arranged in an inverted T shape and is vertically fixed on the bottom extension of the inserting rod (21), the sliding groove (4) is in an I-shaped cross section, the inserting rod (21) is horizontally and slidably embedded on the bottom wall of the sliding groove (4), the rod part of the sliding rod (22) vertically penetrates through the sliding groove (4), and the step surface of the sliding rod (22) is attached to the bottom surface of the clamping plate (1).

3. The ceiling access hole structure of a building as claimed in claim 2, wherein a plurality of positioning slots (3) are formed on both extensions thereof with a rotation slot (5), and the positioning slots (3) are communicated with the rotation slot (5), and the positioning resilient member comprises a fixing rod (6) vertically fixed in the rotation slot (5) and a rotation plate (7) rotatably sleeved on the circumferential side of the fixing rod (6).

4. The ceiling access hole structure of the building as claimed in claim 3, wherein the rotating plate (7) comprises a vertical section (71) movably embedded in the rotating groove (5) and a bending section (72) smoothly jointed with the end of the inserting rod (21), when the inserting rod (21) is inserted into the positioning groove (3), the side wall of the bending section (72) is abutted against the inner wall of the positioning groove (3), and the vertical section (71) and the connecting rod (2) are on the same axis.

5. The ceiling access hole structure of a building as claimed in claim 4, wherein the positioning resilient member further comprises a torsion spring (8) sleeved around the fixed rod (6), and two torsion springs (8) are respectively located at two end portions of the fixed rod (6), one end of each torsion spring (8) is fixedly disposed on the side wall of the rotating plate (7), and the other end is respectively and fixedly connected to two corresponding surfaces of the inner wall of the rotating groove (5).

6. A building ceiling access opening arrangement according to claim 2, characterised in that a latch block (9) for positioning the plunger (21) in the positioning slot (3) is also movably inserted in the slide groove (4).

7. A building ceiling access opening structure according to claim 6, characterized in that a chain (10) is fixedly arranged at one end of the latch block (9), and the other end of the chain (10) is hinged at the bottom end of the clamping plate (1).

8. A building ceiling access opening structure according to claim 1, characterized in that a ring of rubber sealing strip (11) is fixed on the bottom extension of the clamping plate (1).