KR20030070573A - Diffuser for air reconciling which the inside grid is descended going up and coming down - Google Patents

Abstract

PURPOSE: A diffuser for air-conditioning with an inside grid lifted up and down is provided to lift up and down the inside grid so as to allow height of the inside grid to be finely controlled. CONSTITUTION: A diffuser includes a restricting unit(110) including a fixed end part fixed on an inner circumference(12) of an air inlet(11) of a grid frame(10), a guiding end part extended from the fixed end part in circumferential direction and having a bent end, an elastic free end part attached to the inner circumference of the air inlet, a protrusive part formed by bending a middle of the elastic free end part, and an insertion groove part perpendicularly formed on an inside of the protrusive part, and a pair of embossed protrusions protruding from a middle of the protrusive part toward the insertion groove part; and a lifting unit(120) includes a fixed end fixed on a periphery of an inside grid(20), a long vertical piece part extended from the fixed end part to be perpendicularly bent, a plurality of fixing holes bored on the fixed end part at regular intervals to allow the embossed protrusions to be inserted and fixed thereto, and a separation preventing piece part(124) formed by bending an upper end of the vertical piece part in horizontal direction.

Description

Diffuser for air reconciling which the inside grid is descended going up and coming down}

The present invention relates to an air conditioner diffuser, and more particularly, an internal lattice installed under a grid frame fixed to a ceiling may be raised or lowered in various stages so that the diffusion angle of air diffused in the room may be displaced. It relates to an air conditioner diffuser in which the internal lattice is raised and lowered.

In general, the air conditioning diffuser is provided with an internal grid inside the grid frame.

The inner lattice serves as a function of allowing the air supplied into the room to diffuse widely through the duct.

The internal grid of the air conditioning diffuser installed on the ceiling of the building has a structure that is usually fixed to the grid frame.

In addition, the air induced to be diffused by the internal lattice has an air diffusion angle which is not induced to diffuse directly to the floor of the room but diffuses in all directions near the ceiling.

Meanwhile, the air supplied to the room through the diffuser is supplied with cooling air in summer and fresh air in winter.

Therefore, it is preferable to allow air to be diffused from the vicinity of the ceiling in winter, but in summer, when cooling air is diffused from the vicinity of the ceiling in all directions, it takes a long time to cool the room, which is not efficient.

Accordingly, a diffuser is disclosed in which cooling air is diffused to the center of the room in summer, and fresh air is diffused in all directions near the ceiling in winter.

Prior arts include Korean Patent Publication No. 2002-001828 and Korean Utility Model Registration No. 0239023.

However, the above-mentioned prior arts are composed of precision and expensive components such as racks and pinions, which may cause cost increase of the diffuser, or may be employed only in a circular diffuser, and may not be employed at all in a rectangular diffuser. There is a limited problem.

Accordingly, in order to solve the above problems, Korean Utility Model Registration No. 0287333 and Korean Utility Model Registration No. 0300438 and 0314908 have been disclosed by the applicant, but this also has a high manufacturing cost due to the large number of parts and complicated structure. Entails.

In addition, there is only a two-stage or three-stage raising and lowering in raising and lowering the internal lattice, so that the air diffusion angle is fine and cannot be adjusted to various angles.

The present invention provides an air conditioning diffuser in which the internal lattice is raised and lowered so that the internal lattice can be raised and lowered to finely adjust the height in various steps and the adjustment is easy and the manufacturing cost can be reduced. have.

The present invention for achieving the above object, in the air conditioning diffuser having a lattice frame fixed to the ceiling and connected to the duct, and an internal grid installed inside the lattice frame to diffuse air; The free end having a fixed end fixed to the inner periphery of the air inlet of the lattice frame, a guide end extending in the circumferential direction from the fixed end and bent obliquely to the end, the elastic free end is in close contact in the direction of the inner periphery Restraining means having a protrusion formed by bending an end portion and an insertion groove portion formed in a vertical direction from the inside of the protrusion, and a pair of embossing protrusions protruding in the direction of the insertion groove portion in the middle of the protrusion; A fixed end portion fixed to the outer circumferential surface of the inner lattice, a long vertical piece portion extending in a vertical direction from the fixed end portion and coupled to an insertion groove portion of the restraining means, and an embossing projection by being drilled at equal intervals in the longitudinal direction of the vertical piece portion. It characterized in that it comprises a lattice lifting device formed by a lifting means having a plurality of engaging holes to be inserted and caught, and the separation prevention piece formed by bending the upper end of the vertical piece portion in the horizontal direction.

In order to allow the lifting means to move up and down not to flow in the circumferential direction, a guide groove part is formed at one side of the insertion groove part of the restraining means, and a guide protrusion having a long shape is inserted into the guide groove part at one side of the vertical piece of the lifting means. It is characterized by further comprising a.

The restraining means is characterized in that the engaging hole is formed in place of the embossing projection and the lifting means is configured to form an embossing projection in place of the engaging hole.

It is further characterized by having a horizontal piece portion which is bent and extended to match the vertical piece portion position between the fixed end portion and the vertical piece portion of the lifting means.

The embossing projection is projected to the guide groove portion and the guide projection portion is characterized in that it is configured to be formed at equal intervals in the longitudinal direction of the engaging groove portion is inserted into the embossing projection.

It is another feature that the elongated locking hole is formed in place of the embossing protrusion of the guide groove and the hemispherical locking protrusion is formed in the guide protrusion instead of the locking groove.

1 is a front sectional view of a diffuser showing a first embodiment of the present invention;

2a and 2b is an exploded perspective view and a combined perspective view of a first embodiment of the present invention,

3A and 3B are cross-sectional views taken along line AA ′ of FIG. 1 illustrating a coupling state of the present invention;

Figures 4a and 4b is an enlarged view "B" of Figure 3b showing the bonding process of the present invention,

5 is a perspective view of the diffuser according to the first embodiment of the present invention;

Figure 6a is a cross-sectional view taken along line C-C 'of Figure 5 showing the elevated state of the present invention,

6B is a cross-sectional view of the main portion of FIG. 6A;

7 is an exploded perspective view showing a second embodiment of the present invention;

8 is a combined perspective view of a second embodiment of the present invention;

9 is an enlarged cross-sectional view taken along a line D-D 'of FIG. 8;

10 is an exploded perspective view showing a third embodiment of the present invention;

11 is a perspective view of the combination of the third embodiment of the present invention;

12 is an enlarged cross-sectional view taken along line EE ′ of FIG. 11;

13 is a perspective view showing a fourth embodiment of the present invention;

14 is an enlarged sectional view taken along the line FF 'of FIG. 13;

15 is a perspective view showing a fifth embodiment of the present invention;

FIG. 16 is an enlarged sectional view taken along the line G-G 'of FIG. 15;

17 is a longitudinal cross-sectional view showing a state where the present invention is implemented in another type of diffuser.

* Description of the symbols for the main parts of the drawings *

10: grid frame 20: internal grid

100: grid lifting device 110: restraining means

111: fixed end 112: elastic free end

114: protrusion 115: insertion groove

116: embossing projection 117: guide groove

120: lifting means 121: fixed end

123: engaging hole 124: separation prevention part

125: guide protrusion 126: horizontal piece

127: locking groove

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 shows a diffuser in which the present invention is implemented, the diffuser is fixed to the ceiling (k) and connected to the duct (1), the grid frame 10 is installed inside the grid frame 10 to diffuse air An internal grid 20 is provided.

The internal grid 20 is typically composed of three grid members 21, 22, and 23 of different sizes being fixed to each other. Reference numeral 2 denotes a damper for adjusting the amount of air, and reference numeral 3 denotes an opening and closing port for opening and closing the control opening 4 of the damper.

Therefore, according to the present invention, the elevating means 110 is fixedly installed at the air inlet 11 of the inner periphery 12 of the grating frame 10, and the lifting and lowering is fixed to the outer periphery 12 of the inner lattice 20. It has a lattice elevating device 100 composed of a means (120).

2A and 2B of the first embodiment, the restraining means 110 includes a fixed end 111 fixed to the inner periphery 12 of the air inlet 11 of the grating frame 10. It is configured to have an elastic free end 112 extending in the circumferential direction from the fixed end 111 and having a guide end 113 formed by bent obliquely at the end and in close contact with the inner circumferential end 12.

The fixing end 111 is fixed to the inner circumference 12 by spot welding.

In addition, the restraining means 110 includes a protrusion 114 having a relatively large area formed by bending the middle of the elastic free end portion 112 so that the insertion groove 115 is formed in the vertical direction from the inside of the protrusion 114. do.

And the middle of the protrusion 114 is configured to include a pair of embossing projections 116 protruding in the direction of the insertion groove (115).

The elevating means 120 includes a fixed end portion 121 fixed to the outer circumferential surface of the internal lattice 20 and a vertical piece portion 122 extending in a vertical direction from the fixed end portion 121. The fixed end 121 may also be spot welded to be fixed to the outer circumferential surface of the internal grid 20, or in some cases, may be fixed by rivets (not shown).

A plurality of locking holes 123 are drilled in the vertical piece portion 122 at equal intervals in the longitudinal direction.

In addition, the upper end portion of the vertical piece portion 122 is configured to be provided with a separation prevention piece portion 124 bent in the horizontal direction.

2B shows a state in which the vertical piece portion 122 of the elevating means 120 is coupled to be inserted into the insertion groove 115 of the restraining means 110, and FIGS. 3A and 3B show a state in which the vertical piece portion 122 of the elevating means 120 is coupled as described above. It is shown.

Referring to FIG. 3A, the lattice elevating device 100 including the restraining means 110 and the elevating means 120 is installed at equal intervals in three places on the lattice frame 10 and the inner lattice 20, respectively. do.

Therefore, in the coupling, the vertical piece 122 of the elevating means 120 is positioned at the guide end 113 of the restraining means 110, and then rotates the inner grid 20 counterclockwise. As shown in the vertical piece 122 is coupled to be inserted into the insertion groove 115 while pushing the guide end 113.

Figures 4a and 4b is a plan sectional view showing in detail the combined state as described above.

Referring to FIG. 4A, the elastic free end portion 112 including the guide end portion 113 is opened to the outside as shown in the imaginary line while the vertical piece 122 pushes and inserts the guide end portion 113. When the one-piece portion 122 is completely inserted into the insertion groove 115, the elastic free end portion 112 that is opened is returned to its original state as shown in Figure 4b by the elasticity to return to itself.

Therefore, the vertical piece 122 is not only in a state of being completely in close contact in the insertion groove 115 between the protrusion 114 of the restraining means 110 and the inner periphery 12 of the grating frame 10, but also a pair of As the embossing protrusion 116 is inserted into the locking hole 123 to be in a locked state, the entire internal grid 20 including the vertical piece 122 is restrained from flowing downward. As shown in FIG. The internal lattice 20 is coupled from (10) while maintaining a stationary state at any one point.

6A and 6B show a state in which the position of the inner grid 20 is adjusted to be displaced by pushing upward or pulling downward.

In FIG. 6A, when the inner lattice 20 is pushed upward, the vertical piece 122 is moved upward along the insertion groove 115 to raise the inner lattice 20, and conversely, the inner lattice 20 is lowered. When pulled in, it is in a state of falling as shown in the virtual ship city.

At this time, the embossing projection 116 is to be separated from the locking hole 123 by the force to move the vertical piece portion 122 is inserted into another locking hole 123, as shown in Figure 6b embossing projection When the 116 is separated, the elastic free end 112 is opened to the outside as shown in the imaginary line, and when the embossing protrusion 116 is inserted into the locking hole 123 in another position, the elastic free end 112 returns to itself. As shown by the solid line, the original state is returned to the state where the embossing protrusion 116 is inserted into the locking hole 123 to be locked.

On the other hand, as shown in the solid line in Figure 6a, when the vertical piece 122 is moved upwards and the internal grid 20 is adjusted in an elevated state, the air diffused by the internal grid 20 moves in all directions that are close to the ceiling. As it spreads, when the fresh outside air is supplied in winter, the internal lattice position is adjusted to be used in this way. On the other hand, in the summer when the cooling air is supplied, the inner lattice 20 is moved downward to move downward as shown in the virtual ship city. The cooling air is diffused to the bottom of the room for use.

In addition, the present invention has a number of engaging holes 123 and can be formed to close the gap between these engaging holes 123 to be able to displace the rising or falling position of the inner grid 20 at a fine interval.

7 to 9 show a second embodiment of the present invention.

7 and 8 is a guide groove 117 on one side of the insertion groove 115 of the restraining means 110 in order to allow the lifting means 120 to move up and down so as not to flow in the circumferential direction. ) Is formed.

In addition, one side of the vertical piece portion 122 of the elevating means 120 is configured to further include a guide protrusion 125 of the elongated shape is inserted into the guide groove 117 is raised and lowered.

And between the fixed end 121 and the vertical piece portion 122 of the elevating means 120 is configured to further include a horizontal piece portion 126 is bent to extend the position of the vertical piece portion 122.

On the other hand, although the horizontal piece portion 126 is not shown in the drawings of the first embodiment, the horizontal piece portion 126 may be configured to have the horizontal piece portion 126 in the first embodiment.

Referring to FIG. 9, the guide protrusion 125 is assembled in a state of being inserted into the guide groove 117. When the guide protrusion 125 is configured to be slightly protruded from the vertical piece 122, the assembly is performed when the guide protrusion 125 is assembled. Can be assembled without major abnormalities.

Therefore, when the lifting means 120 moves up and down, the lifting means 120 nods in the lateral direction (circumferential direction) because the guide protrusion 125 is vertically moved along the guide groove 117. This enables stable vertical movement without shaking.

10 to 12 show a third embodiment of the present invention.

10 and 11, the third embodiment eliminates the locking hole 123 in the second embodiment and replaces the locking hole 123 with a plurality of locking grooves 127 having a semicircular shape in the guide protrusion 125. Is formed at equal intervals in the longitudinal direction.

In addition, the embossing protrusion 116 is configured to protrude from the guide groove 117.

Referring to FIG. 12, the embossing protrusion 116 is not only caught by being caught by the locking groove 127, but also the embossing protrusion 116 is moved from the locking groove 127 when the vertical piece 122 is moved upward and downward. By being separated and reinserted into another locking groove 127, it is possible to have a vertical movement and a stationary state.

13 and 14 illustrate a fourth embodiment in which the embossing protrusion 116 and the locking hole 123 shown in the first and second embodiments are provided opposite to each other so that the locking and disengaging action can be performed. .

That is, as shown in FIG. 14, a pair of engaging holes 123 are formed in the protrusion 114 of the restraining means 110, and an embossing protrusion 116 is formed in the vertical piece 122 of the elevating means 120. The embossing protrusion 116 is configured to be locked to the locking hole 123.

15 and 16 show that a long engaging hole 123 'is formed in place of the embossing projection 116 of the guide groove 117 shown in the third embodiment, while the guide projection 125 has a locking groove 127 instead. A fifth embodiment is shown in which a hemispherical locking protrusion 116 ′ is formed.

Therefore, as shown in FIG. 16, when the lifting means 120 vertically moves, the hemispherical locking protrusion 116 ′ is engaged or disengaged from the locking hole 123 ′.

FIG. 17 shows another type of diffuser to which the present invention can be employed, and the restraining means 110 and the elevating means 120 of the present invention also apply to a diffuser having a single disk-shaped internal grid 20 '. The lattice elevating device 100 may be implemented.

According to the above description, the present invention has the effect of providing a diffuser that can be easily adjusted while being able to raise and lower the internal lattice finely and adjust the height in various stages, as well as have two minimal components and a simple structure. Therefore, the manufacturing cost can be greatly reduced, thereby providing an effect of supplying more cheaply.

And since the present invention can be applied to both the grating frame and the internal grid diffuser having a variety of sizes and shapes, it is obvious that the broadly protected and applied unless the scope of the claims.

Claims (6)

In the air conditioning diffuser having a grating frame (10) fixed to the ceiling (k) and connected to the duct (1), and an internal grid (20) installed inside the grating frame (10) to diffuse air; The fixed end 111 is fixed to the air inlet 11 of the inner periphery 12 of the grating frame 10, and the guide end is formed by extending in the circumferential direction from the fixed end 111 and the end is bent obliquely ( 113 and having a free elastic end 112 in close contact with the inner circumferential end portion 12 and formed in a vertical direction inside the protrusion 114 and the protrusion 114 formed by bending the middle of the elastic free end 112. Restraining means (110) having an insertion groove (115) and a pair of embossing protrusions (116) protruding in the direction of the insertion groove (115) in the middle of the protrusion (114); The fixed end portion 121 fixed to the outer circumferential surface of the inner lattice 20 and the long vertical piece 122 extending from the fixed end portion 121 to be bent in the vertical direction and coupled to the insertion groove 115 of the restraining means 110. ), A plurality of engaging holes 123 to be drilled at equal intervals in the longitudinal direction of the vertical piece 122, and the embossing protrusion 116 is inserted and engaged, and the upper end of the vertical piece 122 is bent in a horizontal direction. Diffuser for air conditioning is lowered inner lattice, characterized in that it comprises a lifting device 100 formed of the lifting means 120 having a separation prevention piece portion 124 formed. The method of claim 1, wherein the lifting means 120 is formed in the guide groove 117 on one side of the insertion groove 115 of the restraining means 110 so that the lifting means 120 is not moved in the circumferential direction and the lifting means ( One side of the vertical piece 122 of the 120 is inserted into the guide groove 117 is an air-diffusing device for raising and lowering the inner lattice, characterized in that it further comprises a guide projection portion 125 of the elongated form. The method of claim 1, wherein in the restraining means 110, the locking hole 123 is formed in place of the embossing protrusion 116, and the embossing protrusion 116 is formed in the lifting means 120 instead of the locking hole 123. The air conditioning diffuser, which is built up and down, characterized in that the inner grid is raised. According to claim 1, wherein between the fixed end portion 121 and the vertical piece portion 122 of the elevating means 120 further has a horizontal piece portion 126 that is bent to extend to match the position of the vertical piece portion (122) Air-conditioning diffuser in which the internal grid is raised and lowered. The method of claim 2, wherein the embossing projection 116 is projected to the guide groove 117, the engaging projection 127 is inserted into the guide projection 125, the engaging groove 127 is equally spaced in the longitudinal direction An air-conditioning diffuser, the inner lattice is raised and lowered, characterized in that it is configured to be formed. The method of claim 5, wherein the elongated locking hole 123 'is formed in place of the embossing projection 116 of the guide groove 117, and the hemispherical locking projection 116' instead of the locking groove 127 in the guide protrusion 125 Diffuser for air conditioning is raised and lowered internal lattice, characterized in that is configured to form.