RU2525069C2 - Broom - Google Patents

Abstract

FIELD: personal use articles.

SUBSTANCE: invention relates to communal services cleaning equipment, more specifically, to street-cleaning brooms with twigs manufactured of polymer materials. The broom contains a stem, a decorative hood with a stem hole, a means for attachment of the decorative hood to the stem, twigs joined on one side into a bunch having a stem seat and designed so that to enable fixation on the stem with the help of the decorative hood. On one side, the twigs are joined into a bunch with plastic mass; the stem seat is made in the plastic mass that represents the medium connecting the decorative hood and the bunch of twigs so that the stem hole in the decorative hood and the stem seat form a channel for the stem installation.

EFFECT: broom design ensures assembly simplicity.

14 cl, 4 dwg

Description

The invention relates to cleaning equipment for public utilities, and in particular to janitorial brooms with rods made of polymeric materials, for example, polypropylene, used to sweep streets, yards, parks, etc.

Known broom containing a sweeping element made of a polymeric material, fastened with a handle and made in the form of twisted-shaped polymer rods interconnected by a polymer thread, for example a fishing line, while the polymer rods are fastened in bundles that are attached to each other and to the handle using a fastener passing in the holes of the handle, and in the upper part of the sweeping element there is a cap in the form of a truncated cone, fixed with a lock ring on the handle (see certificate on PM No. 44239, IPC А46В 3/14, publ. 2005 g.).

The complexity of the design of the broom limits its application.

A janitorial broom is known, containing a bundle of rods of polymer material fixed with a head on a handle, with a holder with grooves located radially to the axis of the handle in the head, and a bundle of rods made of separate flat-shaped modules that are embedded and fixed in the grooves of the holder (see patent for IZ No. 2151536, IPC А46В 7/04, publ. 06/27/2000).

The main disadvantage of these designs of brooms is the complexity of their assembly and low reliability.

Known broom containing the head with rods fixed in it, and the head and rods are made of plastic, while the head is made of two parts with the possibility of their one-piece connection, has a Central hole for the handle handle and is formed by a molten plastic applied to the fastened upper ends of the row rods by extrusion or casting, each part of the tip containing half of the central hole for the handle handle (see certificate for PM No. 98678, IPC А46В 3/04, publ. 2010).

The complexity of manufacturing a broom does not reduce its cost.

Known broom containing a head with rods fixed in it, and the head and rods are made of plastic, and the free ends of the rods are cut at an angle to the longitudinal axis, while the head has a Central hole for the handle handle and is formed by a molten plastic applied to the bonded upper ends a number of rods by extrusion or molding, moreover, the rods are made of plastic pile of different thicknesses (see certificate for PM No. 113121, IPC А46В 3/14, publ. 1999).

A broom is known that contains a head with rods of flexible synthetic material fixed to it and a central hole for the stalk, characterized in that the rods and head are made as a whole, and metal fittings are placed in the wall of the hole (see certificate for PM No. 8880, IPC А46В 3/04, publ. 2012).

Known broom has a small working surface due to the low taper of its working part, which reduces the usability and efficiency of its use. The use of metal reinforcement makes it difficult to create a lightweight broom, increases its cost.

A round broom is known containing a rod and U-shaped rods and a set of two-level rings through which the rod passes, the rings are fixed to each other by a groove and a protrusion on each of them, U-shaped rods are inserted through the holes on the rings, the rings are pulled together interconnected by common studs and nuts, the lower and upper rings are attached to the rod with screws, the cap is put on the upper ring, fixed by means of screws to the rod, and the ring is made in the form of two levels with a common hole m, the upper layer has a cylindrical shape and the groove, the bottom level is tapered and projection through the upper and lower base housing extend through vertical holes (see. the PM certificate №7813, IPC A46B 3/14, publ. 1998 YG). In the broom, slipping of the distributing perforated ring during the operation of the broom is possible due to the low taper of the beam. The disadvantage of a broom is the complexity of manufacturing and a large range of parts, which increases its cost.

Known broom for cleaning industrial premises and streets, containing a head with rods fixed in it of equal length, and the head and rods are made of synthetic material, while the head has a central hole for the handle handle and is formed by a frozen synthetic melt deposited on the bonded upper ends of the row rods by pressing, while the design of the head is made concave (see certificate on PM No. 43136, IPC A46B 3/14, publ. 2005). The small splendor of the working part of the broom limits its application.

The closest analogue to the proposed technical solution is a broom, consisting of a handle, a decorative cap, a bristle divider and synthetic bristles made of polypropylene material in the form of a beam, which is welded on one side to form a workpiece having a landing hole for the handle and fixed on the handle with on the one hand by means of a bristle divider, and on the other, by means of a decorative cap, wherein the bristle divider is fastened to the handle with a fastener or thread Vågå compound and a decorative cap is secured to the handle by a securing element (see. the PM certificate №95478, IPC A46B 3/00, publ. 2010 YG). The well-known broom is structurally difficult to ensure optimal opulence of the working surface, is laborious to manufacture, has a significant range of assembly units. In this regard, it is inconvenient in operation, repair, has considerable weight, high cost and low reliability.

Known broom, consisting of a handle, a decorative cap with an opening for a handle, means for attaching a decorative cap with a handle, an annular holder, twigs (synthetic bristles) connected on one side to a bundle having a seat for a handle and made with the possibility of fixing on the handle with using a decorative cap, plastic mass for connecting the ring holder and rods to each other (see certificate for PM No. 91268, IPC A46B 3/00, publ. 2010 - prototype). The well-known broom is also structurally difficult to ensure optimal opulence of the working surface, is laborious to manufacture, has a significant range of assembly units, including a complex ring holder. In this regard, it is difficult to assemble, inconvenient to operate, repair, has a high cost and low reliability. The seat for the handle in the bundle and the hole in the cap do not form a continuous channel for the handle, while a large free space is formed under the cap, which does not ensure the optimum overall dimensions of the broom, the reliability of its design and makes it difficult to automate assembly.

The invention solves the problem of creating a simple, universal, reliable design of a universal broom, which allows to reduce the cost and share of manual labor in its manufacture. The technical result of the invention is to ensure high reliability of the broom, the optimal splendor of its working surface, ease of manufacture and assembly, compactness and lightness of construction, low cost of the broom.

The technical result is achieved by the fact that in a broom, consisting of a handle, a decorative cap with an opening for a handle, at least one means of attaching a decorative cap with a handle, plastic mass, rods connected on one side to a bundle having a seat under the handle and made with the possibility of fixation on the handle using a decorative cap, the rods are connected on one side to a bunch of plastic mass, the seat for the handle is made in plastic mass, and the specified mass is dstvom compound decorative cap and beam rods so that the hole under the stem in a decorative cap and seat form a channel under the stalk for setting the cutting.

It is advisable in the bundle of rods to place the seat under the handle in the form of a recess or through hole in the plastic mass with the formation in the broom of the channel for installation of the handle with a length equal to at least three diameters of the handle.

It is preferable to connect the rods on one side into a bundle of plastic mass with an inclination to each other.

The angle of divergence of the rods in the beam, it is advisable to have at least 2 degrees.

It is advisable to make rods, plastic mass and decorative cap from a homogeneous synthetic material, including polypropylene.

The ratio of the weight of the plastic mass to the weight of the bundle of rods is at least 1:10.

It is advisable to connect the bundle of rods with the decorative cap by sintering the plastic mass with the inner surface of the upper part of the decorative cap.

The angle of beam divergence of the rods is at least 10 degrees.

The decorative cap is preferably made with a round cross-section.

The decorative cap is preferably performed with a decrease in the inclination of the wall to its axis relative to the hole for the handle.

It is advisable to make a decorative cap with the possibility of mounting on the handle through a plastic mass.

It is advisable that one means of attaching the decorative cap to the handle is made in the form of a screw.

Another means of attaching the decorative cap to the handle is a press washer with a drill.

When conducting patent research, no solutions were found that are identical to the declared one, and, therefore, the proposed solution meets the criterion of "novelty." The invention does not follow explicitly from the known solutions, therefore, the proposed invention meets the criterion of "inventive step".

The invention is illustrated by drawings.

Figure 1 depicts a broom in section with a hole in the plastic mass and the direct attachment of the decorative cap to the handle.

Figure 2 depicts a broom in section with a hole in the plastic mass and fastening the decorative cap to the handle through the plastic mass.

Figure 3 depicts a broom in section with a hole in the plastic mass and reinforced fastening of the decorative cap.

Figure 4 depicts a broom in a section with a recess in the plastic mass.

Figure 1-4 adopted the following notation:

1 - stalk;

2 - a decorative cap;

3 - hole for the handle (in a decorative cap 2);

4 - the first means of fastening (in the form of a screw);

5 - second fastening means (in the form of a press washer with a drill);

6 - rods;

7 - plastic mass;

8 - through hole (in the plastic mass 7 with a bunch of rods 6);

9 - recess (in plastic mass 7 with a bunch of rods 6);

α is the angle of divergence of the rods 6 in the beam;

β is the angle of divergence of the beam bundle 6.

The broom consists of a handle 1, a decorative cap 2 with an opening 3 for a handle 1, the first means 4 for attaching a decorative cap 2 (in figure 1, for example, in the form of a screw) or the second means 5 for fastening a decorative cap 2 (in figure 2, for example , in the form of a press washer with a drill), rods 6. The rods 6 are connected on one side into a bundle of plastic mass 7 with the formation in it of a seat under the handle 1 in the form of a through hole 8 (Fig. 1, Fig. 2, Fig. 3 ) or recesses 9 (figure 4).

The plastic mass 7 is a means of connecting the decorative cap 2 and the bundle of rods 6 in such a way that in the bundle of rods 6 form a channel for installing the handle 1 with a length (L) equal to at least three diameters (D) of the handle 1. Rod 6, plastic mass 7 and decorative cap 2 is made of a homogeneous synthetic material, including polypropylene. The rods 6 are preferably connected in a bundle on one side by a plastic mass 7 with an inclination to each other. In this case, the angle (α) of the divergence of the rods 6 in the broom beam is at least 2 degrees (from 2 to 20 degrees), and the angle (β) of the divergence of the beam of rods at least 10 degrees, which makes the broom more magnificent.

The bunch of rods 6 has a pronounced taper and a large working surface. While the rods 6 can be made straight or undulating.

The bunch of rods 6 is connected to the decorative cap 2 by sintering the plastic mass 7 with the inner surface of the upper part of the decorative cap 2 with the formation of a through hole 8 or a recess 9 for the installation of the handle 1, while for reliability of this connection, the ratio of the weight of the plastic mass 7 to the weight of the bundle of rods 6 is not less than 1:10.

Decorative cap 2 is made with a cross-section of a round shape (Fig.1-4). To save materials, facilitate the broom and ease of connection of its elements, the decorative cap 2 is made with a decrease in the inclination of the wall to its axis relative to the hole 3 for the handle 1. The decorative cap 2 is made with the possibility of mounting on the handle 1 directly (Fig. 1) or through a plastic mass 7 (figure 2), while the first and second fastening means 4, 5 are respectively a screw or a press washer with a drill. With large dimensions of the broom, joint (simultaneous) use of the indicated means 4, 5 for attaching the decorative cap 2 is possible (Fig. 3).

Experienced brooms of the proposed design, designed for cleaning yards, were made of domestic-made polypropylene fibers. The number of rods 6, the geometric dimensions and their quantities determine the size of the broom. The most preferred variant for universal use is a broom with a beam weighing 400 grams, formed of 350 rods 6 with a length of the working part of the beam 320-400 millimeters. As the material for the rods 6, the decorative cap 2 and the plastic mass 7, polypropylene is used.

The broom is assembled in the following sequence:

- pre-formed bundles of rods 6 of the required mass;

- make a sweeping broom assembly: the formed bundle of rods 6 is poured on one side with hot melt of plastic mass 7 with the formation of a through hole 8 or a recess 9 at this end and is fixed by the indicated end in the cavity of the decorative cap 2 under pressure on the bundle from its other end for sintering corresponding the surfaces of the plastic mass 7 and the decorative cap 2 with the slope of the rods 6 relative to each other in the specified plastic mass 7;

- the assembled sweeping broom assembly is attached to the handle 1 by means of the first and / or second fastening means 4, 5 (for example, with a screw and / or a press washer with a drill).

In mass production, automation of the manufacture of this product using injection equipment is possible. Manual remains the final assembly, in which the proportion of manual labor is reduced by about 15-17 times compared with the assembly of the known technical solutions. The economic effect is enhanced due to the simplicity of the formation of an optimal diverging bundle of rods without the use of additional funds. The tests of the proposed broom showed high operational reliability, ease of use, low cost of the product. The design provides sufficient broom life and lightweight construction. Compared with the prototype, where the broom bars are also made of polymeric materials, the claimed utility model provides improved operational properties of the broom, ease of use by ensuring the optimal area of its working surface.

The proposed broom is simple in design, high reliability. Optimum weight and size characteristics create favorable conditions for staff. The broom is compact, easy to manufacture and convenient to use.

Claims (14)

1. A broom, consisting of a handle, a decorative cap with an opening for a handle, at least one means of attaching a decorative cap with a handle, plastic mass, rods connected on one side to a bundle having a seat under the handle and made to be fixed on the handle using a decorative cap, characterized in that the rods are connected on one side into a bundle of plastic mass, the seat under the handle is made in plastic mass, and this mass is a means of connecting orativnogo cap and beam rods so that the hole under the stem in a decorative cap and seat form a channel under the stalk for setting the cutting. 2. The broom according to claim 1, characterized in that in the bundle of rods the seat for the handle is made in the form of a recess or through hole in the plastic mass with the formation in the broom of the channel for installation of the handle with a length equal to at least three diameters of the handle. 3. The broom according to claim 1, characterized in that the rods are connected on one side to a bundle of plastic mass with an inclination to each other. 4. The broom according to claim 1, characterized in that the angle of divergence of the rods in the beam is at least 2 degrees. 5. The broom according to claim 1, characterized in that the rods, plastic mass and the decorative cap are made of a homogeneous synthetic material, including polypropylene. 6. The broom according to claim 1, characterized in that the ratio of the weight of the plastic mass to the weight of the bundle of rods is at least 1:10. 7. The broom according to claim 1, characterized in that the bundle of rods is connected to the decorative cap by sintering the plastic mass with the inner surface of the upper part of the decorative cap. 8. The broom according to claim 1, characterized in that the angle of divergence of the bundle of rods is not less than 10 degrees. 9. The broom according to claim 1, characterized in that the decorative cap is made with a circular cross-section. 10. The broom according to claim 1, characterized in that the decorative cap is made with a decrease in the inclination of the wall to its axis relative to the hole for the handle. 11. The broom according to claim 1, characterized in that the decorative cap is made with the possibility of mounting directly on the handle. 12. The broom according to claim 11, characterized in that the first means of attaching the decorative cap to the handle is made in the form of a screw. 13. The broom according to claim 1, characterized in that the decorative cap is made with the possibility of mounting on the handle through a plastic mass. 14. The broom of claim 13, wherein a second means of attaching the decorative cap to the handle in the form of a press washer with a drill is introduced.

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