CN2660022Y

CN2660022Y - Cement trowel

Info

Publication number: CN2660022Y
Application number: CN 03261000
Authority: CN
Inventors: 张巽杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-08-11
Filing date: 2003-08-11
Publication date: 2004-12-01
Anticipated expiration: 2013-08-11

Abstract

The utility model discloses a cement trowel comprising a cutting board, a bond strip, a plurality of rivets and a handle. The bond strip is fixed on the cutting board by rivets and the top of the bond strip is equipped with a taper splicing groove; the font end of the handle is extended with a supporting post; the lower end of the supporting post is equipped with a taper splicing block; the taper splicing block on the handle is inserted in the taper splicing groove equipped on the bond strip in assembly process and fastened by a combination screw in a preset.

Description

A kind of Cement trowel

Affiliated technical field

The utility model relates to a kind of instrument that is used to smear cement, and especially a kind of lever can simple and easyly be torn group open to reduce the Cement trowel of the different purposes knife plates of volume and convertible assembling.

Background technology

The Cement trowel of commonly using at present, as shown in Figure 1, it ties a connection strap 2 by a knife plate 1 end face with a plurality of rivet 3 rivetings, and these connection strap 2 upper limb appropriate positions are fixing with the support column 4a weldering knot that a lever 4 front ends down extend again.

Therefore this kind commonly used Cement trowel, because of its integral body is fixedly shape, can't cooperate the knife plate 1 of most difformities, size with single lever 4, and according to the Cement trowel that need be assembled into different purposes, and overall volume is big during its packing, thereby the carrying cost increases.

So, there is another kind of progressive Cement trowel to come out in recent years, as Fig. 2,3,4,5, shown in 6, it mainly is made up of a knife plate 5 and a lever 6, wherein three dovetail seat 5a are tied in weldering on the knife plate 5, and in preceding, respectively be provided with a screw 5b on the queen pigeon tailstock 5a, lever 6 its bodies have a hollow open-work 6a, to make things convenient for staff to place gripping, its bodies top is provided with a handle 6b in addition, and the bottom side is provided with a strip bearing 6c, and bearing 6c root edge face central authorities have an embedding and hold ditch 6d, embedding is held branch spacings such as ditch 6d and is arranged with three dovetail groove 6e, and lever 6 both sides and bearing 6c junction respectively are provided with a containing hole 6f, are positioned in the containing hole 6f respectively to be provided with a screw 6g on the bearing 6c, and spiral shell is established a winding screw 6h in this screw 6g, and break-through is to dovetail groove 6e.

The Cement trowel that aforesaid another kind is progressive, though it can improve first kind of shortcoming of commonly using Cement trowel, reach and only need possess the knife plate 5 that single lever 6 can cooperate multiple difformity, size, and according to the Cement trowel that need be assembled into different purposes, and the whole volume of timber reduces during its packing, and can reduce the carrying cost.Yet, it is complicated integral structure not only, Assembly Action is complicated, the manufacturing cost height, and the embedding that cement easily enters the bearing 6c of lever 6 when using is held in the ditch 6d, and hold theing cement solidifies in the ditch 6d in case enter embedding, then lever 6 just can't be separated with knife plate 5, and lose the function that single lever 6 cooperates multiple knife plate 5, and its dovetail seat 5a, bearing 6c produce to interfere to cause because of mismachining tolerance easily and can't cooperate or gapped, and the awkward situation that the generation relief rocks when using, it needs the three dovetail seat 5a that weldering knot one straight line is arranged on knife plate 5 again, and the position of this three dovetails seat 5a can not have deviation slightly, otherwise can't be smoothly and the bearing 6c of lever 6 make up, thereby not only its whole processing is difficult for, higher and the product fraction defective height of process technology demand, and its assembling inconvenience even can't assemble have increased manufacturing cost on foot.

Summary of the invention

In order to solve the problem and shortage of above-mentioned located by prior art, the purpose of this utility model is to provide a kind of lever can simple and easyly tear group open to reduce the Cement trowel of the different purposes knife plates of volume and convertible assembling.

The technical scheme of feature of the present utility model and realization is as follows:

A kind of Cement trowel of the present utility model, it is by a knife plate, one connection strap, a plurality of rivets and a lever are formed, wherein knife plate is provided with a plurality of fixing holes, connection strap is provided with a plurality of riveting knots hole corresponding with the knife plate fixing hole, and the riveting knot hole of passing connection strap by rivet is fixed with the fixing hole riveting knot of knife plate, and the connection strap end face is provided with a taper and inserts the knot groove, the lever front end down extends a support column, the support column lower end is provided with one and inserts the corresponding taper of knot groove with the connection strap taper and insert caking, agree with on the slotting knot of the taper groove that is inserted in connection strap that lumps and this this taper can be inserted, and tie in the hole slot that sets in advance packing by winding screw oncomelania and fix, make lever and connection strap, knife plate is combined into one.

Compared with prior art, the utility model has the advantages that:

Cement trowel of the present utility model, its overall structure is simple, Assembly Action is easy, and manufacturing cost is reduced; In addition, Cement trowel of the present utility model, its connection strap and knife plate are to fix in riveting knot mode, and its lever and connection strap be to fix in spiral shell knot mode, thereby its process technology demand and product fraction defective are low.

Description of drawings

Fig. 1 is a kind of three-dimensional appearance schematic diagram of commonly using Cement trowel;

Fig. 2 is the another kind of STRUCTURE DECOMPOSITION schematic diagram of commonly using Cement trowel;

Fig. 3 is the another kind of vertical view of commonly using the knife plate of Cement trowel;

Fig. 4 is the another kind of upward view of commonly using the lever of Cement trowel;

Fig. 5 is another kind of vertical combination generalized section of commonly using Cement trowel;

Fig. 6 is the another kind of horizontal combination generalized section of commonly using Cement trowel;

Fig. 7 is the stereochemical structure decomposing schematic representation of Cement trowel of the present utility model;

Fig. 8 is the stereochemical structure combination schematic diagram of Cement trowel of the present utility model;

Fig. 9 is vertical combination generalized section of Cement trowel of the present utility model;

Figure 10 is the stereochemical structure decomposing schematic representation of another embodiment of Cement trowel of the present utility model;

Figure 11 is the stereochemical structure combination schematic diagram of another embodiment of Cement trowel of the present utility model;

Figure 12 is vertical combination generalized section of another embodiment of Cement trowel of the present utility model.

Description of reference numerals

10 knife plates, 11 fixing holes

12 perforation, 20 connection straps

The knot groove is inserted in 21 rivetings knot hole 22

Hole, 222 liang of rank of 221 screw channels

30 rivets, 40 levers

41 support columns 42 are inserted caking

421 countersunks, 422 screw channels

43 short slots, 44 winding screws

45 gags

The specific embodiment

Below will and be described further in conjunction with the accompanying drawings with the specific embodiment of the present utility model.

As shown in Figure 7, a kind of Cement trowel of the present utility model, it is by a knife plate 10, one connection strap 20, a plurality of rivets 30 and a lever 40 are formed, wherein equidistantly on the knife plate 10 be provided with a plurality of fixing holes 11, connection strap 20 is provided with the fixing hole 11 corresponding a plurality of riveting knots holes 21 with knife plate 10, connection strap 20 end faces also are provided with a rectangle taper in 21 in hole of the knot of two rivetings wherein and insert knot groove 22, and insert the screw channel 221 that knot groove 22 bottom central part positions are provided with an appropriate depth in this, lever 40 front ends down extend a support column 41, these support column 41 lower ends are provided with one and insert caking 42 with above-mentioned slotting knot groove 22 corresponding rectangle tapers, and insert caking front side, 42 top in this and be provided with a short slot 43, and provided a countersunk 421 in these slotting caking 42 corresponding short slots 43 places.

As Fig. 8 and shown in Figure 9, a kind of Cement trowel of the present utility model, during its combination, earlier connection strap 20 is aligned and adhere on the knife plate 10, the fixing hole 11 rivetings knot that passes the riveting knot hole 21 of connection strap 20 and knife plate 10 with rivet 30 is fixing, again the slotting caking 42 of lever 40 is inserted on the slotting knot groove 22 of connection strap 20 and agrees with, and the countersunk 421 of the slotting caking 42 of lever 40 is passed in cooperation with a winding screw 44, and spiral shell is tied in connection strap 20 is inserted the screw channel 221 of knot grooves 22 bottom surfaces packing and is fixed, and promptly finishes combination.

Shown in the stereochemical structure decomposing schematic representation of another embodiment of Figure 10 Cement trowel of the present utility model, it is by a knife plate 10, one connection strap 20, a plurality of rivets 30 and a lever 40 are formed, wherein equidistantly on the knife plate 10 be provided with a plurality of fixing holes 11, and a perforation 12 is set in 11 of two fixing holes wherein, this connection strap 20 is provided with the fixing hole 11 corresponding a plurality of riveting knots holes 21 with knife plate 10, these connection strap 20 end faces are provided with a rectangle taper and insert knot groove 22 in perforation 12 positions of corresponding knife plate 10, and insert knot groove 22 bottom central part positions in this and be provided with a up-small and down-big hole, two rank 222, lever 40 front ends down extend a support column 41, these support column 41 lower ends are provided with one and insert caking 42 with above-mentioned slotting knot groove 22 corresponding rectangle tapers, and insert the screw channel 422 that caking 42 bottom surfaces are provided with an appropriate depth in this.

Shown in vertical combination generalized section of another embodiment of the stereochemical structure combination schematic diagram of another embodiment of Figure 11 Cement trowel of the present utility model and Figure 12 Cement trowel of the present utility model, during its combination, earlier connection strap 20 is aligned and adhere on the knife plate 10, the fixing hole 11 rivetings knot that passes the riveting knot hole 21 of connection strap 20 and knife plate 10 with rivet 30 is fixing, again the slotting caking 42 of lever 40 is inserted on the slotting knot groove 22 of connection strap 20 and agrees with, and cooperate the perforation 12 of passing knife plate 10 with a winding screw 44, the hole, two rank 222 of connection strap 20, and spiral shell is tied in the screw channel 422 of slotting caking 42 bottom surfaces of lever 40 packing and is fixed, and tie in perforation 12 bottom surfaces of knife plate 10 with a gag 45 plug and to trim, promptly finish combination.

By the structure of above-mentioned specific embodiment of the utility model, can obtain following conclusion: (one) Cement trowel of the present utility model, its overall structure is simple, Assembly Action is easy, thereby manufacturing cost reduces; (2) Cement trowel of the present utility model, it need not weld the three dovetail seats that knot one straight line is arranged on knife plate 10, and fixes with riveting knot and spiral shell knot mode merely, thereby process technology demand and product fraction defective are low; (3) Cement trowel of the present utility model, it inserts the conicoid that caking 42 and taper are inserted knot groove 22 by taper, not only can provide the guiding combination to insert knot, and by the spiral shell knot of winding screw 44 the firm packing of connection strap 20 and lever 40 formation is combined.

Only the above person only is preferred embodiment of the present utility model, when can not with the scope implemented of qualification the utility model; Promptly the equalization of being done according to claim scope of the present utility model generally changes and modifies, and all should belong within the scope that the utility model patent contains.

Claims

1, a kind of Cement trowel, it is made up of a knife plate, a connection strap, a plurality of rivet and a lever, wherein knife plate is provided with a plurality of fixing holes, connection strap is provided with and the corresponding a plurality of riveting knots of knife plate fixing hole hole, and the riveting knot hole of passing connection strap by rivet is fixed with the fixing hole riveting knot of knife plate, the lever front end down extends a support column, it is characterized in that:

Described connection strap end face is provided with a taper and inserts the knot groove, the support column lower end of lever is provided with a taper corresponding with the slotting knot of this taper groove and inserts caking, and when combination, the slotting caking of this taper is inserted in slotting the knot on the groove of taper to be agreed with, and tie in the hole slot that sets in advance packing by winding screw oncomelania and fix, lever and connection strap, knife plate are combined into one.

2, as 1 described Cement trowel of claim the, it is characterized in that: the slotting knot groove bottom of described connection strap is provided with the screw channel of an appropriate depth, and the slotting caking of described lever is provided with a countersunk corresponding with this screw channel.

3, as 2 described Cement trowels of claim the, it is characterized in that: the slotting caking top of described lever is provided with a short slot, and described countersunk is arranged at the corresponding position of this short slot.

4, as 1 described Cement trowel of claim the, it is characterized in that: described knife plate is provided with a perforation between two fixing holes, and the slotting knot groove bottom of connection strap is provided with hole, one or two rank, the slotting caking bottom surface of lever be provided with one with this corresponding screw channel in hole, two rank.

5, as 4 described Cement trowels of claim the, it is characterized in that: the perforation of described knife plate is with the sealing of gag plug knot.