CN2214849Y - sand screen for construction - Google Patents

Abstract

A sand sieving device for building is composed of a frame body and a net body, which are integrally formed by injection, and features that the handles are arranged at both ends of back side of said frame body, the four side frame bodies of said frame body are slightly extended outward, the locating press strips are integrally projected from the front and back bottom edges of said frame body, a slot is made at the upper end of left and right frame bodies, and an L-shaped locating press strip is formed at the outer end of bottom of slot.

Description

The utility model relates to a sand screener for construction, which is mainly composed of a frame body and a net body integrally formed by injection, and has the advantages of reduced carrying space and stable transportation process.

The structure of the sand screen used in general traditional buildings is shown in Figure 1. It is mostly made of wood. It is composed of steel nails E nailed from the front and rear ends of the left and right frame panels A into the two sides of the front and rear frame panels B for positioning to form a frame F, and the rear ends of the left and right frame panels A are integrally extended to form There is a handle A1, and a net body C is laid on the bottom side edge of the frame F, and then the bead D is pressed around the net body C, and then nailed to the bottom side edge of the frame F with small steel nails E1.

Since the left and right frame boards A, the front and rear frame boards B, and the beading strips D are all wood materials, and now the forests are completely cut down, and the price of logs is rising steadily due to the lack of logs, so that the use and consumption of wood products can be reduced to protect the wood. Environmental ecology has become an important topic for modern people, and when using a general sand sieve, hold the handle A1 with both hands and turn it back and forth and shake it left and right. The joint of the rear frame plate B is subjected to strong torsion, which gradually loosens or the front and rear frame plates B are torn on both sides of the steel nail E, which reduces the service life of the conventional sand screen. In terms of the manufacture and assembly of the sand vessel structure, the materials are first planed into shapes such as the left and right side frame panels A, the front and rear frame panels B, and several beading bars D, and steel nails E are used to separate the left and right side frame panels. The front and rear ends of A are nailed into the left and right sides of the front and rear frame boards B for positioning, and the left and right side frame boards A and the front and rear frame boards B must be vertically corrected, which wastes the time of assembly, so the overall manufacturing combination cost is relatively low. If the correction is inaccurate, the steel nails E are easy to be crooked and the bonding degree between the frame and the plate is poor, which will inevitably affect the service life of the product, and the side nails at the bottom of the frame F of the sand screen device have an inherent bead D, so the bottom of the frame F It is larger than the opening of the upper end of the frame F, so that the two sand screens cannot overlap at all to achieve clamping stability and reduce the carrying space, so the sand screen is easy to slip during transportation, causing the mesh body C to be rubbed and damaged during transportation , reduce the amount of transportation each time, relatively increase the transportation cost, and weaken the value and competitiveness of industrial utilization.

In view of this, the purpose of this utility model is to provide a sand screen for construction, which has the advantages of fast assembly, stacking and storage without occupying space due to its integrally formed structure.

In order to achieve the above purpose, the construction sand screen provided by the utility model includes a frame body and a mesh body integrally formed by injection molding, handles are protruded at both ends of the rear side of the frame body, and the front and rear bottoms of the frame body The end edge is integrally provided with a positioning bead, and a groove is opened at the upper end of the outer side of the left and right sides of the frame body, and an L-shaped positioning bead is formed integrally at the outer end of the bottom side of the groove. The mesh body is laid on the frame body. The bottom frame edge, and the left and right sides of the net body are concavely folded in the grooves of the left and right sides of the frame body, and are fixed by positioning and pressing strips on the four sides of the frame body, so as to To achieve the benefits of fast manufacturing and assembly, the frame body is integrally injection-molded to increase the torsional strength during use, and to improve the stability and service life of the overall structure.

The four-frame body of the frame body slightly expands obliquely outwards, and a concave arc is formed on the lower side of the front end of the handle at both ends of the rear side of the frame body, so that the bottom end of the frame body can be accommodated in the frame body of another sand sifter to achieve The purpose of sandwiching is to increase the stability during transportation, avoid the mesh body being rubbed and damaged during transportation, and at the same time reduce the space for transportation, so as to increase the volume of each transportation and reduce transportation costs.

Items such as structural features of the present utility model are listed and described in detail in the form of accompanying drawings.

Fig. 1 is a partial three-dimensional exploded view of a conventional sand screen.

Fig. 2 is a three-dimensional exploded view of the utility model.

Fig. 2A is a sectional view of the left and right frame bodies of the present invention.

Fig. 3 is a three-dimensional combined view of the utility model.

Fig. 3A is a cross-sectional view of the combined left and right frame bodies of the present invention.

Fig. 4 is a schematic diagram of an embodiment of the utility model.

First refer to Fig. 2, shown in Fig. 3: the sand sieve device that the construction of the utility model is used mainly is made up of frame body 1 and a mesh body 2 of integral injection molding, and the rear side two ends of this frame body 1 are convexly provided with handle 11, handle 11. A concave arc portion 111 is formed on the lower side of the front end, and the four side frames 12, 13, 14, and 15 of the front, rear, left, and right of the frame body 1 are slightly outwardly expanded from the lower end to the upper end, and are placed on the frame body. The bottom edges of the front and rear side frames 12,13 of the body 1 are respectively integrally provided with positioning bead 121,131, and a groove 141,151 is provided at the outer upper ends of the left and right frame bodies 14,15. 141, 151 are integrally protruding from the outer end of the bottom side to form an L-shaped positioning bead 142, 152 (as shown in Figure 2A), and the surrounding edges of the net body 2 are laid on the bottom frame edge of the frame body 1, and at the same time the net body 2 The left and right sides are concavely folded into the grooves 141,151 of the left and right frame bodies 14,15 of the frame body 1, and then the front, rear, left and right frame bodies 12,13, After the positioning bead 121, 131, 142, 152 of 14, 15 is concavely folded and pressed to close the mesh body 2, it is then nailed with an automatic nailing machine (as shown in Figures 3 and 3A).

Refer to Fig. 4 for cooperation: since the frame body 1 of the present utility model is integrally formed by injection molding, it is only necessary to lay the net body 2 on the frame edge of the bottom end of the frame body 1 when assembling, and the front, rear, left and right sides of the frame body 1 The positioning bead 121, 131, 142, 152 integrally formed by the four side frame bodies 12, 13, 14, 15 can be assembled by pressing the periphery of the net body 2 and nailing it, so as to achieve the benefits of fast manufacturing and assembly, and reduce the cost of manufacturing. cost.

Moreover, the frame body 1 is integrally injection-molded, which can certainly increase the strength against torsional force during use, and enhance the stability and service life of the overall structure.

Moreover, the front, rear, left and right four side frame bodies 12, 13, 14, 15 of the frame body 1 are slightly outwardly expanded from the lower end to the upper end, and form a concave arc portion on the lower side of the front end of the handle 11. 111, then the positioning bead 142,152 of the left and right frame body 14,15 of the frame body 1 is retracted in the groove 141,151, so that the bottom end of the frame body 1 can maintain the original width, so that the bottom end of the frame body 1 It can be accommodated in the frame body 1 of another sand screen to achieve the purpose of stacking, to increase the stability of the transportation process, and to avoid the mesh body being rubbed and damaged during transportation. At the same time, the transportation space can be reduced to improve Reduce shipping costs per shipment.

To sum up, the structure of the utility model does have innovation and actual effect improvement.

Claims (2)

1. A sand sieve for construction, which includes an integrally injection-molded frame body and a mesh body, with handles protruding from both ends of the rear side of the frame body; it is characterized in that: the front and rear side frames of the frame body The bottom edge is provided with a positioning bead integrally, and a groove is opened at the upper end of the outer side of the left and right sides of the frame, and an L-shaped positioning bead is formed integrally at the outer end of the bottom side of the groove. It is laid on the frame edge at the bottom of the frame body, and the left and right sides of the mesh body are concavely folded in the grooves of the left and right sides of the frame body, and the front, rear, left and right sides of the frame body The positioning bead of the side frame body is folded and pressed to the mesh body and nailed. 2. The sand sieve for construction according to claim 1, characterized in that: a concave arc is formed on the lower side of the front end of the handle, and the front, rear, left and right sides of the frame are from the lower end to the upper end Slightly dilated outwards.

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