CN207270608U - A kind of fire hydrant box door - Google Patents

Abstract

A kind of fire hydrant box door of the utility model, is related to building decoration engineering construction field, for the problem that wall and facing it is in small distance in the case of, vertical latch door-hinge causes hydrant cabinet door opening angle can not meet fire protection rule.It includes hydrant cabinet door, the respectively door axis device hinged with building structure wall steel joist and hydrant cabinet door steel frame, and is arranged in building structure wall and hides case with the corresponding hinge in position of door axis device；Door axis device includes even wall component, even door component and door-hinge connector, and door-hinge connector one end forms first rotating shaft with even wall member hinges, and the other end forms the second shaft with even door member hinges；It is the transverse concave groove in building structure wall that hinge, which hides case,.

Description

A kind of fire hydrant box door

Technical field

Building decoration engineering technical field of construction is the utility model is related to, more particularly to a kind of fire hydrant box door.

Background technology

Indoor fire hydrant is fixed fire protection system of the pipe network in house to delivery of water, it is typically mounted on fire hydrant box It is interior, to meet the needs of fire protection rule and decorative effect, the fire hydrant box made by fire proofing material is often set at fire hydrant box Door, the opening angle of hydrant cabinet door should be not less than 160 °, ensure that it is opened flexibly, reliably, have no card resistance phenomenon.

As shown in Figure 1, in the interior decoration engineering of some buildings, building structure wall 1 is decorated using dry-hang stone, Specifically, dry-hang stone technique is to be laid with steel joist 4 in building structure wall 1, and some metals are bolted on steel joist 4 Suspension member 5, ornamental stone 6 are directly hung on steel joist 4 by metal hanger 5, are pasted on ornamental stone 6 without being in the milk Building structure wall 1,1 opening holes of building structure wall set fire hydrant box 3, and indoor fire hydrant 2 is installed on fire hydrant box 3 Interior, side walls hinged hydrant cabinet door is then connected on steel frame 7 by steel frame 7 and by metal hanger 5 with fire hydrant box 3 Ornamental stone 6 form, gap is uniform between the ornamental stone 6 of hydrant cabinet door and building structure wall 1, and texture is consistent, On the premise of ensuring 2 normal use of indoor fire hydrant so that hydrant cabinet door and the decoration for vertical face style of building structure wall 1 are protected Hold consistent.However, in ornamental stone 6 and building structure wall 1 between the two apart from very little in the case of, inserted using conventional vertical The door-hinge of pin shaft structure form will cause hydrant cabinet door not open, and being dug on building structure wall 1 to accommodate The vertical groove 8 of hydrant cabinet door end, the opening angle of hydrant cabinet door are also only 90 ° or so, can not both meet existing disappear Anti- acceptance requirement, also causes a degree of destruction to existing building structure wall.

The content of the invention

In the case of in small distance between building structure wall and wall facing structure, using conventional vertical latch The opening angle for causing hydrant cabinet door can not be met fire protection rule by the door-hinge of axle construction form, and destroy existing building knot The problem of structure wall.The purpose of this utility model is to provide a kind of fire hydrant box door, is arranged in building structure wall Hinge, which hides case, can provide the space that the door-hinge connector of door axis device rotates freely, and hydrant cabinet door will not touch in opening process Building structure wall is hit, and the opening angle of hydrant cabinet door disclosure satisfy that the requirement of fire protection rule.

Technical solution is used by the utility model solves its technical problem：A kind of fire hydrant box door, including disappear Fir-hydrant box door, respectively at least two door-hinges hinged with the steel joist of building structure wall and the steel frame of the hydrant cabinet door Device, and be arranged in the building structure wall and hide case with the corresponding hinge in position of the door axis device；It is described Door axis device includes even wall component, even door component and door-hinge connector；The even wall component includes column base and is arranged at institute State the positioning core axle on base, and T-shaped or L shapes wall connecting piece, one end of the vertical portion of the wall connecting piece with The base is affixed, and the horizontal part of the wall connecting piece is welded in the vertical keel side of the building structure wall steel joist Face；The even door component includes a sleeve, and T-shaped or L-shaped chamber door connector, the vertical portion of the chamber door connector One end and the sleeve are affixed, and the horizontal part of the chamber door connector is welded in the side of the hydrant cabinet door steel frame；Institute Stating door-hinge connector includes spaced connecting pin one and connecting pin two, and the connector master that both are fixed as one Body, the connecting pin one for internal diameter with it is described even wall component positioning core axle the matched sleeve one of outside diameter, the connecting pin Two include column base one and the positioning core axle one being arranged on the base one, outside diameter and the company of the positioning core axle one The internal diameter of the sleeve of door component is engaged；The connecting pin one of the door-hinge connector after the even wall member hinges with forming first Shaft, the connecting pin two of the door-hinge connector after the even door member hinges with forming the second shaft；The hinge hides case The groove laterally opened up in the building structure wall, the hinge, which hides case, can accommodate the door-hinge connection of the door axis device Part.

Preferably, the connector main body includes the straight-bar and an arc-shaped rod to fix as one, and the arc-shaped rod is in The sector that 90 ° of angle, the connecting pin one of the straight-bar end and the even wall member hinges, the connection of the arc-shaped rod end End two and the even door member hinges.

Preferably, the radius R of the arc-shaped rod is more than the center for connecting wall component positioning core axle to building structure wall The distance L at body ornamental stone edge, also, the radius R of the arc-shaped rod is more than the positioning core axle center of the even wall component To the distance D1 and the bushing core for connecting door component to hydrant cabinet door of the building structure wall facing stone material outer surface The sum of distance D2 of ornamental stone outer surface, i.e. R>D1+D2.

Preferably, the even wall unitized substructure top is additionally provided with spacing section of arc-shaped first, described first spacing section with The positioning core axle is coaxial and is arranged at intervals, and gap between the two can accommodate the sleeve one of the door-hinge connector, described It is 90 ° of opening that first spacing section, which has an angle α, the door-hinge connector can surround the axle center of the positioning core axle and α is rotated in the range of angle, the both sides of the opening and the conjunction for being used to store the door-hinge connector in the building structure wall The right-angle side that page hides case is corresponding.

Preferably, the top of the door-hinge connector base one is additionally provided with second spacing section of arc, and described second is spacing Section is coaxial with the positioning core axle one and is arranged at intervals, and gap between the two can accommodate the sleeve for connecting door component, institute Second spacing section of opening that there is an angle β to be 90 ° is stated, the opening is set away from the connector main body and the connecting pin one Put, the hydrant cabinet door and the even door component can surround the axle center of the positioning core axle one and turn in the range of β angles It is dynamic.

Preferably, the top closure of the even sleeve of door component, the top closure of the sleeve one of the door-hinge connector.

The effect of the utility model is：The fire hydrant box door of the utility model, it includes hydrant cabinet door, respectively At least two hinged door axis devices with the steel joist of building structure wall and the steel frame of hydrant cabinet door, and be arranged at and build Case is hidden in building structure wall and with the corresponding hinge in position of door axis device；Door axis device includes even wall component, even door component And door-hinge connector, connect the vertical keel side that wall component is fixed in the steel joist of building structure wall, even door component is fixed in The steel frame side of hydrant cabinet door, door-hinge connector is respectively with connecting wall component, even door member hinges, so as to fulfill fire hydrant box Door is flexibly connected with building structure wall；It cannot meet when building structure wall is too small with the distance between its ornamental stone During the radius of gyration of door-hinge connector, according to the radius of gyration of door-hinge connector, on building structure wall with door-hinge connector Corresponding position transversal slotting, that is, the hinge that door-hinge connector can be accommodated by setting hide case, are opening and closing fire hydrant box During door, hinge, which hides case, can provide the space that door-hinge connector rotates freely, and door-hinge connector will not in rotary course Collide building structure wall so that fire hydrant box door is no longer limited by narrow between building structure wall and its ornamental stone Spacing, and the opening angle of hydrant cabinet door disclosure satisfy that the requirement of fire protection rule；The first rotating shaft of door axis device and Two shafts are sheathed on the connection mode of positioning core axle using sleeve, and assembling and dismounting are simple and convenient, door axis device it is above-mentioned Structure type load-bearing capacity is strong, is particularly suitable for thick and heavy chamber door or large scale chamber door etc., and compared to common hinge, it is not only turned on Flexibly and easily, and without deformation and damage phenomenon；In addition, to ensure the Integral decoration effect of building structure wall facade, disappear fire Gap requirement between bolt housing door facing stone material and building structure wall facing stone material is as far as possible small and uniform, utilizes door axis device Open and close hydrant cabinet door, the Chamfer Edge of hydrant cabinet door ornamental stone and adjacent building structure wall facing stone material It is contactless, meet the Art Design requirement of ornamental stone seam crossing.

Brief description of the drawings

Fig. 1 is the schematic diagram that existing fire hydrant box door is installed on building structure wall；

Fig. 2 is the structure diagram when fire hydrant box door of one embodiment of the utility model is closed；

Fig. 3 is the structure diagram of company's wall component of the door axis device of one embodiment of the utility model；

Fig. 4 is the structure diagram of company's door component of the door axis device of one embodiment of the utility model；

Fig. 5 is the structure diagram of the door-hinge connector of the door axis device of one embodiment of the utility model；

Fig. 6 is the top view of Fig. 5；

Fig. 7 is the structure diagram of the door axis device after the assembling of one embodiment of the utility model；

Fig. 8 is that the hydrant cabinet door of one embodiment of the utility model opens 90 ° of stereogram；

When Fig. 9 is that hydrant cabinet door opens 90 ° in one embodiment of the utility model, door axis device, hinge hide case and the fire that disappears The schematic diagram of connection relation between bolt housing door；

Figure 10 is the stereogram of the hydrant cabinet door 180-degree opening of one embodiment of the utility model；

When Figure 11 is hydrant cabinet door 180-degree opening in one embodiment of the utility model, door axis device, hinge hide case and disappear The schematic diagram of connection relation between fir-hydrant box door；

Figure 12 is the partial enlarged view of C portion in Figure 11.

Drawing reference numeral is as follows：

Building structure wall 1；Indoor fire hydrant 2；Fire hydrant box 3；Steel joist 4；Metal hanger 5；Ornamental stone 6；Steel framework Frame 7；Vertical groove 8；Even wall component 10；Base 11；Positioning core axle 12；Wall connecting piece 14；First spacing section 15；Even door group Part 20；Sleeve 21；Chamber door connector 22；Door-hinge connector 30；Sleeve 1；Base 1；Positioning core axle 1；Second is spacing Section 35；Straight-bar 36；Arc-shaped rod 37；First rotating shaft A；Second shaft B；Building structure wall 40；Vertical keel 41；Metal hanger One 42；Building structure wall facing stone material 43；Fire hydrant box 50；Hydrant cabinet door ornamental stone 60；Steel frame 61；Metal hanger 2 62；Hinge hides case 70；Fire hydrant box door 100.

Embodiment

Below in conjunction with the drawings and specific embodiments to the utility model proposes a kind of fire hydrant box door make it is further Describe in detail.According to following explanation and claims, will be become apparent from feature the advantages of the utility model.It should be noted It is that attached drawing uses using very simplified form and non-accurate ratio, only to convenience, lucidly aids in illustrating this reality With the purpose of new embodiment.

Illustrate the fire hydrant box door 100 of the utility model, building described in the present embodiment with reference to Fig. 2 to Figure 12 The decorative engineering of building structure wall 40 is by taking dry-hang stone technique as an example, and steel joist, steel joist are laid with building structure wall 40 It is to be welded by shaped steel that is some vertical and laterally setting, some metal hangers 1, building knot is bolted on steel joist Structure wall facing stone material 43 is fixed on steel joist by metal hanger 1；Hydrant cabinet door is with being arranged at building structure wall Fire hydrant box 50 in 40 is corresponding, it includes steel frame 61 made of shaped steel, is bolted in some on steel frame 61 Metal hanger 2 62, the hydrant cabinet door ornamental stone 60 being fixed on by metal hanger 2 62 on steel frame 61.

As shown in Fig. 2, the fire hydrant box door 100 of the utility model includes hydrant cabinet door, respectively with building structure The steel joist of wall 40 and hinged at least two door axis devices of the steel frame 61 of hydrant cabinet door, and it is arranged at building structure Case 70 is hidden in wall 40 and with the corresponding hinge in position of door axis device；

Above-mentioned door axis device includes even wall component 10, even door component 20 and door-hinge connector 30；As shown in Figures 2 and 3, even Wall component 10 includes column base 11 and the positioning core axle 12 being arranged on base 11, and T-shaped or L-shaped wall connecting piece 14, one end of the vertical portion of wall connecting piece 14 and base 11 are affixed, and the horizontal part of wall connecting piece 14 is welded in building structure 41 side of vertical keel of 40 steel joist of wall；As shown in Figure 2 and Figure 4, even door component 20 includes a sleeve 21, and T-shaped Or the chamber door connector 22 of L-shaped, one end of the vertical portion of chamber door connector 22 and sleeve 21 are affixed, the level of chamber door connector 22 Portion is welded in the side of hydrant cabinet door steel frame 61；As shown in Figure 5 and Figure 6, door-hinge connector 30 includes spaced company End one and connecting pin two, and the connector main body that both are fixed as one are connect, connecting pin one is internal diameter and even wall component 10 Positioning core axle 12 the matched sleeve 1 of outside diameter, connecting pin two includes column base 1 and being arranged on base 1 Positioning core axle 1, the outside diameter of positioning core axle 1 is engaged with the internal diameter of the even sleeve 21 of door component 20；As shown in fig. 7, Door-hinge connector 30 is assembled with connecting wall component 10, connecting door component 20 respectively, the connecting pin one of door-hinge connector 30 is with connecting First rotating shaft A is formed after wall component 10 is hinged, the connecting pin two of door-hinge connector 30 forms second after being hinged with even door component 20 Shaft B；

It is the groove laterally opened up in building structure wall 40 that above-mentioned hinge, which hides case 70, and hinge, which hides case 70, can accommodate door The door-hinge connector 30 of shaft device, under fire hydrant box door closure state, even wall component 10 is oppositely arranged with company door component 20, and door Shaft coupling piece 30 is accommodated in hinge and hides in case 70.

As shown in Figure 8 and Figure 9, when opening hydrant cabinet door, hydrant cabinet door, even door component 20 and door-hinge connector 30 are common 90 ° are rotated clockwise with around first rotating shaft A, door-hinge connector 30 screws out hinge and hides case 70, and hydrant cabinet door is relative to building Structure wall 40 opens 90 °；Then, as shown in Figure 10 and Figure 11, hydrant cabinet door continues rotation clockwise around the second shaft B again Turn 90 °, and then hydrant cabinet door is realized the purpose of 180-degree opening relative to building structure wall 40.

The fire hydrant box door 100 of the utility model, it includes hydrant cabinet door, respectively with building structure wall 40 Steel joist and hinged at least two door axis devices of the steel frame of hydrant cabinet door 61, and be arranged in building structure wall 40 And hide case 70 with the corresponding hinge in position of door axis device；Door axis device includes even wall component 10, even door component 20 and door-hinge Connector 30, connects 41 side of vertical keel that wall component 10 is fixed in the steel joist of building structure wall 40, even door component 20 is solid 61 side of steel frame of hydrant cabinet door is connected to, door-hinge connector 30 is hinged with connecting wall component 10, connecting door component 20 respectively, so that Realize being flexibly connected for hydrant cabinet door and building structure wall 40；When between building structure wall 40 and its ornamental stone away from When cannot meet the radius of gyration of door-hinge connector 30 from too small, according to the radius of gyration of door-hinge connector 30, tied in building With the corresponding position transversal slotting of door-hinge connector 30 on structure wall 40, that is, the hinge that can accommodate door-hinge connector 30 is set Case 70 is hidden, during opening and closing hydrant cabinet door, hinge, which hides case 70, can provide what door-hinge connector 30 rotated freely Space, door-hinge connector 30 will not collide building structure wall 40 in rotary course so that fire hydrant box door 100 is no longer Spacing narrow between building structure wall 40 and its ornamental stone is limited to, and the opening angle of hydrant cabinet door can Meet the requirement of fire protection rule；The first rotating shaft A of door axis device and the second shaft B is sheathed on the company of positioning core axle using sleeve Mode is connect, assembling and dismounting are simple and convenient, and the said structure form load-bearing capacity of door axis device is strong, is particularly suitable for thick and heavy case Door or large scale chamber door etc., compared to common hinge, it is not only turned on flexibly and easily, and without deformation and damage phenomenon；In addition, To ensure the Integral decoration effect of 40 facade of building structure wall, hydrant cabinet door ornamental stone 60 and building structure wall facing Gap requirement between stone material 43 is as far as possible small and uniform, utilizes door axis device to open and close hydrant cabinet door, fire hydrant box Door facing stone material 60 and the Chamfer Edge of adjacent building structure wall facing stone material 43 are contactless, meet ornamental stone seam The Art Design requirement at place.

As shown in Figure 5 and Figure 6, connector main body includes 36 and one arc-shaped rod 37 of straight-bar to fix as one, curved rod Part 37 is in the sector of 90 ° of angle, and the connecting pin one of 36 end of straight-bar and even wall component 10 are hinged, the connection of 37 end of arc-shaped rod End two and even door component 20 are hinged；As shown in figure 12, to meet the requirement of hydrant cabinet door 180-degree opening, the half of arc-shaped rod 37 Footpath R is more than the distance L at even center to 43 edge of building structure wall facing stone material of 10 positioning core axle 12 of wall component, also, arc The radius R of shape rod piece 37 be more than even 12 center to 43 outer surface of building structure wall facing stone material of wall component 10 positioning core axle away from From the sum of D1 and even 21 center of door component 20 sleeve to 60 outer surface distance D2 of hydrant cabinet door ornamental stone, i.e. R>D1+ D2.When opening hydrant cabinet door, connector main body is rotated clockwise around first rotating shaft A, is ensureing building structure wall facing In the case that the gap size of stone material 43 and 60 joining place of hydrant cabinet door ornamental stone meets Art Design requirement, fire hydrant box The arc-shaped movement locus of door screws out 50 hole of fire hydrant box, hydrant cabinet door ornamental stone 60 and building structure wall facing stone material It will not collide between 43, ensure that the quality of decorative engineering.

Please continue to refer to Fig. 3, connect 10 base of wall component, 11 top and be additionally provided with spacing section 15 of arc-shaped first, first is spacing Section 15 is coaxial with positioning core axle 12 and interval settings, gap between the two can accommodate the sleeve 1 of door-hinge connector 30, There is the opening that an angle α is 90 °, door-hinge connector 30 can surround the axle center of positioning core axle 12 and in α for first spacing section 15 Rotated in the range of angle, case 70 is hidden in the both sides of opening with being used to store the hinge of door-hinge connector 30 in building structure wall 40 Right-angle side is corresponding, that is to say, that one side of angle α is vertical with building structure wall 40, its another side and building structure wall 40 is parallel；First spacing section 15 of setting can ensure that door-hinge connector 30 will not be hidden in case 70 in rotary course with hinge Wall and building structure wall facing stone material 43 collide, and ensure the security in hydrant cabinet door opening process.

Please continue to refer to Fig. 5, the top of 30 base 1 of door-hinge connector is additionally provided with second spacing section 35 of arc, and Two spacing sections 35 coaxial with positioning core axle 1 and be arranged at intervals, and the sleeve of the company's of receiving door component 20 is capable of in gap between the two 21, second spacing section 35 has the opening that an angle β is 90 °, which is set away from connector main body and connecting pin one, and disappear fire Bolt housing door and even door component 20 can surround the axle center of positioning core axle 1 and be rotated in the range of β angles so that fire hydrant box 50 can be relative to 40 180-degree opening of building structure wall, to meet the requirement of existing fire protection rule.

As shown in Figure 4 and Figure 5, even the top closure of 20 sleeve 21 of door component, the sleeve 21 and door-hinge for connecting door component 20 connect After the positioning core axle 1 of fitting 30 is hinged, the sleeve 21 of top closure enhances the structural strength of its own, improves second The security of shaft B；Similarly, the top closure of the sleeve 1 of door-hinge connector 30, also plays similar effect, improves The security of first rotating shaft A.

Illustrate the work progress of 50 door 100 of fire hydrant box of the utility model with reference to Fig. 8 to Figure 12：

First, as shown in figure 8, determining that hinge hides the slotting position of case 70 according to the installation site of at least two door axis devices, And groove depth is determined according to the radius of gyration of door-hinge connector 30, obtain at least two in 40 transversal slotting of building structure wall A hinge hides case 70；

The 2nd, even wall component 10 is welded on to 41 side of vertical keel of steel joist, installation door shaft coupling piece 30 makes it with connecting Wall component 10 is hinged, and even door component 20 is welded on to 61 side of steel frame of hydrant cabinet door；

3rd, integral hoisting hydrant cabinet door, is sheathed on door-hinge connector 30 by the sleeve 21 of even door component 20 from top to bottom Positioning core axle 1 on, make hydrant cabinet door and door-hinge connector 30 hinged, close hydrant cabinet door, wall connecting piece 14 with Chamber door connector 22 is oppositely arranged, and door-hinge connector 30 is then accommodated in hinge and hides in case 70.

To sum up, first, determine to close in metope according to the radius of gyration of the installation site of door axis device and door-hinge connector 30 Page hides the slotting position and depth of case 70, and even wall component 10 is fixed on to 41 side of vertical keel of steel joist, door-hinge connector 30 company's of being articulated with wall components 10, then, the hydrant cabinet door that side is connected with to even door component 20 are articulated with door-hinge connector On 30, being flexibly connected for hydrant cabinet door and building structure wall 40 is realized；When building structure wall 40 and its ornamental stone it Between distance when cannot meet the radius of gyration of door-hinge connector 30, door-hinge can be accommodated by being set in building structure wall 40 The hinge of connector 30 hides case 70, and when closing hydrant cabinet door, door-hinge connector 30 can be accommodated in hinge and hide in case 70, such as scheme Shown in 8 and Fig. 9, when opening hydrant cabinet door, door-hinge connector 30 rotates clockwise 90 ° around first rotating shaft A, and then screws out Hinge hides case 70, ensures that door axis device can work normally, and then, as shown in Figure 10 and Figure 11, hydrant cabinet door surrounds second Shaft B continues to rotate clockwise 90 °, completes the effect of hydrant cabinet door 180-degree opening, the construction method is easy to operate, to building 40 extent of the destruction of building structure wall is small.

Above-mentioned steps one further include, and the vertical keel 41 of building structure wall facing stone material 43 is vertically checked, and protect The verticality after hydrant cabinet door installs is demonstrate,proved, pre-installs the position of the company's of determining wall component 10, even door component 20 and hinge Tibetan case 70 Put.

Foregoing description is only the description to the utility model preferred embodiment, not to any limit of the scope of the utility model Calmly, any change, the modification that the those of ordinary skill in the utility model field does according to the disclosure above content, belonging to right will Seek scope.

Claims (6)

1. A kind of 1. fire hydrant box door, it is characterised in that including：

   Hydrant cabinet door, respectively hinged with the steel joist of building structure wall and the steel frame of the hydrant cabinet door at least two A door axis device, and be arranged in the building structure wall and hidden with the corresponding hinge in position of the door axis device Case；

   The door axis device includes even wall component, even door component and door-hinge connector；The even wall component include column base and The positioning core axle being arranged on the base, and T-shaped or L-shaped wall connecting piece, the vertical portion of the wall connecting piece One end and the base it is affixed, the horizontal part of the wall connecting piece is welded in the vertical of the building structure wall steel joist Keel side；The even door component includes a sleeve, and T-shaped or L-shaped chamber door connector, and the chamber door connector erects The one end in straight portion and the sleeve are affixed, and the horizontal part of the chamber door connector is welded in the side of the hydrant cabinet door steel frame Face；The door-hinge connector includes spaced connecting pin one and connecting pin two, and the connection that both are fixed as one Part main body, the connecting pin one for internal diameter with it is described even wall component positioning core axle the matched sleeve one of outside diameter, the company Connecing end two includes column base one and the positioning core axle one being arranged on the base one, the outside diameter of the positioning core axle one and institute The internal diameter of the sleeve of the company's of stating door component is engaged；The connecting pin one of the door-hinge connector after the even wall member hinges with forming First rotating shaft, the connecting pin two of the door-hinge connector after the even door member hinges with forming the second shaft；

   It is the groove laterally opened up in the building structure wall that the hinge, which hides case, and hinge Tibetan case can accommodate described The door-hinge connector of door axis device.
2. 2. fire hydrant box door according to claim 1, it is characterised in that：It is one that the connector main body, which includes affixed, The straight-bar of body and an arc-shaped rod, the arc-shaped rod be in 90 ° of angle sector, the connecting pin one of the straight-bar end with it is described Even wall member hinges, the connecting pin two of the arc-shaped rod end and the even door member hinges.
3. 3. fire hydrant box door according to claim 2, it is characterised in that：The radius R of the arc-shaped rod is more than institute The distance L at the center of the company's of stating wall component positioning core axle to building structure wall facing stone material edge, also, the arc-shaped rod Radius R be more than it is described even wall component positioning core axle center to the building structure wall facing stone material outer surface distance D1 with The bushing core of the even door component is the sum of to the distance D2 of hydrant cabinet door ornamental stone outer surface, i.e. R>D1+D2.
4. 4. fire hydrant box door according to any one of claims 1 to 3, it is characterised in that：The even wall unitized substructure Top is additionally provided with spacing section of arc-shaped first, and described first spacing section is coaxial with the positioning core axle and be arranged at intervals, both Between gap can accommodate the sleeve one of the door-hinge connector, described first spacing section there is an angle α to be 90 ° open Mouthful, the door-hinge connector can surround the axle center of the positioning core axle and be rotated in the range of α angles, the both sides of the opening The right-angle side of hinge Tibetan case with being used to store the door-hinge connector in the building structure wall is corresponding.
5. 5. fire hydrant box door according to any one of claims 1 to 3, it is characterised in that：The door-hinge connector bottom The top of seat one is additionally provided with second spacing section of arc, and described second spacing section coaxial with the positioning core axle one and be spaced and set Put, gap between the two can accommodate the sleeve for connecting door component, and it is 90 ° that described second spacing section, which has an angle β, Opening, the opening are set away from the connector main body and the connecting pin one, the hydrant cabinet door and the even door group Part can surround the axle center of the positioning core axle one and be rotated in the range of β angles.
6. 6. fire hydrant box door according to claim 1, it is characterised in that：The top envelope of the even sleeve of door component Close, the top closure of the sleeve one of the door-hinge connector.