KR20040073929A - an assembly structure of a control device for ascent and descent and a reducer of the flexible joint for a sprinkler - Google Patents

Abstract

PURPOSE: An assembly structure of a lifting control device and a reducer in a flexible joint for a sprinkler is provided to firmly couple the lifting control device to the reducer without additional clips and bolts. CONSTITUTION: Fixing protrusions(21,22) are formed at a reducer in a flexible joint, and are fixed to a lifting/moving body. Concave grooves(211,221) are formed at the fixing protrusions. Holes(120) are formed at the lifting/moving body. The fixing protrusions are installed at the holes. Screw holes(213,224) are formed at the reducer. Bolts(23) are coupled to the screw holes, and prevent the lifting/moving body from being separated upward.

Description

An assembly structure of a control device for ascent and descent and a reducer of the flexible joint for a sprinkler}

The present invention relates to a combination of a high information support device for installing a sprinkler flexible joint on a ceiling and a flexible joint's reducer.

Lifting control device (hereinafter referred to as 'lifting control device') and flexible joint's flexible joint connector for sprinkler fixing without using a channel, which is a conventional method invented (patent registration number: 100359442000), which is recently invented. It relates to a coupling structure with the Dusha.

Sprinkler heads used for initial suppression in the event of a fire in buildings are often used with flexible joints in indoor ceilings when connected to branch pipes, which are water pipes. However, flexible joints require a high information support system for the support structure, unlike the steel pipe piping structure, which is self-supporting. In such a high information system, a method using a channel of a ceiling was common. However, this method could only be applied to general commercial or office buildings with channels installed in ceilings, and not in buildings such as apartments or luxury residential officetels without channels. Thus, a lifting control device that can be easily used even in a channelless building has been developed (patent name: lifting control device of a flexible joint connector for a sprinkler, patent registration number: 1003594420000, application date: April 29, 2000).

The structure of the above patent, `` elevating control device of the sprinkler flexible joint connector '' is a body that is bent in the form of a "b" from the fixing part fixed to the ceiling slab as a fixing body, and has a connecting tube as the lifting moving body (sometimes the connecting pipe itself) The body contacting the body of the stationary body and the two (the body of the stationary body and the elevating body) are wrapped in the fitting part so as to move up and down without flow, and the elevating length adjusting body is connected to each other to adjust the elevating with screws or the like. It is a device that combines the device as a basic element.

Conventionally, the method of coupling and installing the flexible joint's reducer in a lift control device having such a structure is a method of fastening the combined portion of the creep to the lower end of the lifting movable body after tightening the redustra with a fixed creep and then tightening it with a bolt. In this conventional method, a clamp that surrounds and fixes the redustra and a bolt that couples the clamping hole of the lifting movable body are additionally used to increase the material cost, make the shape coarse, and the fixing structure is unstable. I have a problem. In addition, due to the spatial structure, the position of the elevating adjustment bolt is far from the center of the redundancy exit, so it is inconvenient to adjust the elevating adjustment bolt through an increasingly narrow king hole.

In the conventional method, the fixing creep and the fixing bolt are used as the auxiliary means of the coupling in the mutual coupling between the lifting carrier and the reducer. The present invention is to form a structure suitable for joining the lifting moving portion and the reducer of the elevating control device so as not to use the fixing creep and the fixing bolt separately to be mutually coupled. To this end, to form a coupling ear in the reduxia and to move the lifting portion to the ear of the redux is intended to form a shape so that the combined reduxia at the same time.

1 is an overall view of the present invention;

2 is an exploded perspective view of the present invention.

Figure 3 is a front view of the coupling before and after coupling between the lifting movable body and the reducer of the present invention.

Figure 4 is a conventional coupling angle by coupling angle.

5 is a cross-sectional view and a partial perspective view of the present invention.

The above is described with reference to the drawings.

Lifting control device for flexible joint is divided into a simple structure consisting of a fixed body 110, a lifting movable body 12, a fitting portion 13 surrounding them, and a lifting length adjusting body 14 for connecting the two to adjust the lifting length. to be. More specifically, the fixed body 11 is fixed to the ceiling slab, etc. fixed portion 111 and the bent portion in the "b" type in the fixed portion is paired with the movable body to the body portion 112 to act as a support of the lifting The moving body 12 is lifted by attaching the lifting object 2 to the body portion 112 of the fixed body, and the pair of the body of the fixed body and the movable body to prevent the left and right flow and separation In order to be coupled to each other through the fitting portion 13, as the lifting length adjusting body 14 connecting the two are to be adjusted by the rotation of the lifting length adjusting screw.

In the lifting control device having such a structure, the coupling of the sprinkler flexiball joint with the reducer is made in the lifting body of the lifting control device.

Conventional coupling structure has a clamp fixing hole formed at the bottom of the elevating body of the elevating control device (3) and wraps the redux (4) and tightens the nested clamp (31) by tightening coupling screw (32) Has a structure to do This coupling structure is expected to increase the cost of materials by using additional clamps and bolts, and the radius of the sprinkler head coupler central axis 210 and the lifting length adjusting screw 14 of the reducer has a long structure. It is important to reduce this radius due to the nature of the lift regulator which must be adjusted through the kinghole in light of the trend of fewer kingholes today.

The present invention is characterized in that the fixing protruding ears (21, 22) to be fixed to the lifting movable body 12 to compensate for this point. 1, 2, and 2 protrusions formed by a pair of "two" grooves 211 and 221 on the left and right sides of the protruding ear are formed in one set, and the redeutsha in the lower part of the lifting body 12 to which the ear is to be installed. (21, 22) forming the perforations for coupling 120, but the upper portion 121 for inserting the ear of the redness is wider and the lower portion for the coupling 122 is formed narrower by being pushed downward after insertion The bolt head of the movable body is lifted (12a) by tightening with screw holes (213, 224) formed in the redussa with bolts 23, etc., to prevent separation and to prevent separation to the upper part, and to prevent separation to the upper part. It is caught by the installation unit 123 to prevent the top departure.

In addition to the method of using the separation preventing bolt 23, a method of preventing the detachment of the seated reduxia is formed so that there is no bolt head mounting portion 123 in the perforated part of the lifting movable body 12b. By welding the ear of the 139 to prevent the upper detachment, or in the perforations 140 of the lifting movable body (12c) in advance by placing the fixing faucet 141 on the left and right sides, and seated the reduspi (149) The upper part of the lifting body 12d or the perforated part 159 of the lifting body 12d has the same size as the supporting part 214 of the reddish protruding ear so that there is no play so that the supporting part of the reddishing body is completely in contact with each other. Insert the horseshoe-type fixing pin 159 into the "凹" groove 211 to fix without flow to prevent separation and insert the protruding ear 21 of the redustra to the perforations 160 of the lifting body 12e After pushing up, the perforation part Install a locking plate or locking washer at the inlet and fix it with welding or bolt 14 fixing nut 15 or bolt fixing nut 16 formed with the lower part of the washer-proof washer 169. Prevents redundancy At this time, these bolt fixing nuts are fixed in position by a bolt and may be provided with an additional slide washer for easier nut rotation.

The reason why two or more protruding ears are formed is that if one protruding ear is formed, the perforated part of the lifting movable part is protruded because the inlet part having a larger size must be formed in addition to the seating part of the protruding ear when forming the perforated part. Form at least twice the size of the ear. In this case, the lifting movable part may become too fragile because the perforation part becomes too large. However, compared with the fact that the projecting ear with two or more projecting ears of redusia reduced the size of the perforated part, the size of the perforated part was significantly reduced compared to the formation of one projecting ear. Will have

On the other hand, the back portion of the protruding ear of the redus is formed with a large "凹" groove 223 in the longitudinal direction so that the adjustment bolt can be angled to reduce the space at the time of engagement, and the lower movable body 12 in the lower portion of the fixed body 11 Perforated 113 so as to pass through the cover portion (212, 222) of the protruding ear to be coupled to the elevating moving portion so as not to catch the protruding ear of the redundancy projected even when coupled to the elevating moving portion and the elevating movable body (12) Body portion 112 to be joined to the maximum length.

By drilling the lower part of the body of the stationary body, it is possible to make the most of the long and short lengths of the elevating control device of the same size by allowing the elevating ear to be coupled to the elevating moving part. "Because the groove is secured to accommodate the bolts, the head of the adjusting bolt can be positioned at the minimum radius around the sprinkler installation hole of the redustra. By combining directly, they can also be located in the smallest radius, which makes them easy to adapt to the size of today's small holes. Furthermore, the use of clamps eliminates the burden of additional expensive material costs, improves low assembly productivity, and above all, reduces fluidity, allowing stable operation and precise construction.

Claims (3)

In combining the elevating control device (1) and the reducer (2), the protruding ear formed of one set including the left and right sides or the lower left and right grooves 211 in the protruding ear 21 of the reducer 1 More than one, and the elevating control device 1 is provided with a perforation part 113 for protruding ear passage of the reduster at the lower end of the trunk portion 112 of the fixed body 11, and the elevating movable body 12a, 12b, 12c. In forming the perforated part, the inlet part has a wider perforation width laterally so that the protruding ears of the redustra can pass, and the seating part is formed in a small width so that the protruding ear “凹” groove of the redusia can be located without flow. After inserting the protruding ears (21, 22) into the other hole of the lifting movable body and pushed down and seated, and then fastening the fixing bolt 23, or bending the fixing tap 141 by cocking (149), Lifting control characterized in that the structural features of fixing the perforations 130 by welding (139) to prevent upward departure of the redus Coupling structure of the device with the redundant joint of the flexible joint. According to claim 1, wherein the support portion 214 and the perforated portion 150 of the lifting movable body 12d of the redemption protrusion ear are formed in a size without a gap, and then coupled to each other, and the horseshoe-type fixing device in the "凹" groove of the protruding ear ( 159) is a coupling structure of the elevating control device and the flexible joint's reducer, which is characterized by a structural feature of preventing the horizontal deviation of the reducer by combining. The method of claim 1, wherein the protruding ear 21 of the redusia is inserted into the perforated portion 160 of the lifting movable body and pushed up to prevent the reduxer from falling down. A coupling structure between a lifting control device and a flexible joint's reducer, which has a structural feature of installing a washer 169 and fixing it with a nut 16 fixing a welding or bolt 14 to prevent a downward departure of the reducer.