CN201290216Y

CN201290216Y - Steel garden shovel

Info

Publication number: CN201290216Y
Application number: CNU2008202023421U
Authority: CN
Inventors: 许继海
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-10-24
Filing date: 2008-10-24
Publication date: 2009-08-19
Anticipated expiration: 2018-10-24

Abstract

The utility model discloses a steel garden shovel, which comprises a shovel plate and a tube trouser, and is characterized in that the shovel plate is provided with a neck part which extends out of the shovel plate to be connected with the tube trouser, wherein, the shovel plate is integrated with the neck part into a whole body; the tube trouser is of a tube-shaped structure, and the front end of the tube trouser is provided with a connection part which is used to be connected with the neck part of the shovel part; and the neck part of the shovel plate is connected with the connection part of the tube trouser, so that the shovel plate is connected with the tube trouser. The split structure of a triangle dai position of the original garden shovel with the shovel plate and partial tube trouser is changed to be an integrally formed structure, so that the carrying force of the garden shovel is greatly improved, and at the same time, the consumption time for polishing the garden shovel is greatly reduced, and the production efficiency is improved, and the production cost is reduced.

Description

A kind of steel garden shovel

Technical field

The utility model relates to a kind of garden shovel, particularly relates to a kind of steel garden shovel of it by punch and weld.

Background technology

Existing steel garden shovel roughly is divided into several modes such as it by punch and weld, whole punch forming, conjuncted punching press forging molding, roll forging moulding on manufacturing process, different manufacturing process has formed different separately product appearance structure and performance, to satisfy the different demands on the market, wherein more with the it by punch and weld product manufactured, particularly the demand market of American-European countries is bigger.

Adopt the steel garden shovel material of it by punch and weld technology to be mainly carbon steel and stainless steel, the structure of existing garden shovel such as Fig. 1～shown in Figure 4, comprise shovel board 1 and pipe trousers 2, pipe trousers 2 are a tubular element, by the whole punching press roll-forming of steel plate, pipe trousers 2 front ends are provided with and are used for the triangle dai position 21 that links to each other with shovel board 1, and triangle dai position 21 is an integral structure with managing trousers 2.The pipe trousers 2 that are used for linking to each other with shovel board 1 also are provided with and add force 3a, add the below, 21 positions, triangle dai position that force 3a is located at pipe trousers 2, adding force 3a comprises the horizontal plug 3a1 of a T font and fills in 3a2 always, the horizontal plug 3a1 of T font is again by orthogonal horizontal stroke, perpendicular two sections compositions, be that horizontal one section shovel that is located at pipe trousers 2 both sides is takeed between the neck position 5, vertical one section is stretched into and is arranged in the triangle dai position 21, and straight plug fixes with the horizontal plug of T font 3a1, and to the extension of pipe trousers 2 caudal directions, triangle dai position 21 on the pipe trousers 2, the straight plug 3a2 end and shovel board 1 surface soldered that add force 3a are fixed, adopt the built-up welding moulding at shovel board 1 and neck 21 connecting places, form weld seam 4.

There are following defective in the structure of the garden shovel of above-mentioned it by punch and weld and processing technology:

(1) pipe trousers triangle dai position is the weakest link: because garden shovel has certain product appearance and load request, under the situation of aforementioned prior art, do not fit with contacting of shovel board and need built-up welding in pipe trousers triangle dai position, this is not only to welder's specification requirement height, and also will be behind whole shovel welding fabrication through polishing, sanding, polishing process processing, so that make garden shovel have the appearance of light, but this can cause the welding position of product to be subjected in varying degrees loss, and product stressed POL in use exactly concentrates near the triangle dai position, cause garden shovel in the process of using, in case be damaged, often be exactly at place, pipe trousers triangle dai position, the triangle dai position of promptly managing trousers breaks away from shovel board (referring to Fig. 5).

(2) difficult processing, efficient are low, quality instability: owing to be subjected to the restriction of product structure of the prior art and process equipment, be difficult to adopt mechanized equipment to carry out effective large-scale production, operations such as the welding between described pipe trousers and the shovel board, polishing, sanding, polishing all are manual operations, not only difficulty of processing is bigger, production efficiency is low, and is difficult to adopt low cost, high efficiency mode accurately to detect weldering road abrasion condition after the processing, therefore causes the product quality ginseng time uneven; In addition, the pipe trousers are sealing processing being connected of force with adding, and weld three segments again after the moulding of pipe trousers and add force, in triangle dai position and pipe trousers force part, can't guarantee to add the force combination fully and put in place with the applying of pipe trousers inwall, and add the stressed section junction that exists of force, intensity of load is poor.

(3) labour intensity is big, environmental pollution is bigger: because most of operation of the prior art can only adopt artificial, directly overlay at the commonplace enterprising line operate of the sand of buff grinder with the manpower offhand by operating personnel fully as polishing process, labour intensity is very big, again because workman and equipment operating surface can't be kept apart, exhausting environmental protection facility weak effect, operating environment pollutes big, workpiece often takes place and flies out to pound and hurt sb.'s feelings in operation danger coefficient height, and staff frays, occupation dust tuberculosis, hand neural paralysis disease etc., cause practitioner in recent years fewer and feweri, production efficiency is low, is the insoluble processing difficult problem of whole industry all the time.

The utility model content

The purpose of this utility model provides a kind of steel garden shovel that improves structure, the branch body structure of the triangle dai position of garden shovel and shovel board and part being managed trousers changes global formation into, being welded to connect between cancellation shovel board surface and the pipe trousers, the load force of garden shovel is strengthened greatly, reduce simultaneously the man-hour that polishing grinding consumes again greatly, promoted the mechanical grinding space, help realizing the mechanization polishing grinding, enhance productivity, reduce production costs.

The technical solution of the utility model can realize by following technical measures, a kind of steel garden shovel, comprise shovel board and pipe trousers, it is characterized in that described shovel board is provided with to extend out to that shovel board is used for and the neck that links to each other of pipe trousers outward, and shovel board and the described neck structure that is formed in one; Described pipe trousers are tubular element, and its front end is provided with and is used for the connecting portion that is bonded with each other with the shovel board neck, and described shovel board neck engages with the connecting portion of pipe trousers, thereby shovel board that makes and pipe trousers combine.

Because the utility model changes the shovel board of garden shovel of the prior art and the pipe trousers of band triangle dai position into adopt shovel board and triangle dai position integral forming to be designed to the band neck shovel board, be connected with the pipe trousers again, make the shovel board surface no longer need built-up welding, but simplified processing process not only, and can also utilize the incorporate architecture advances of shovel board and triangle dai position, overcome in the prior art the most concentrated stressed position structure defective of the welding position of weak triangle dai position the most exactly, both help improving the shovel board surface quality, and can strengthen the load force of garden shovel again greatly.

The utility model can be done following improvement, for making described shovel board neck have intensity preferably, and make shovel board have load force preferably, described neck is microscler convex configuration, it stretches out shovel board and is used for outward being called the neck outer end with the part that is connected of pipe trousers, it has the shape that the connecting portion with described pipe trousers matches, and the part that the neck of projection extends in shovel board then is called the inner of described neck, and this inner is equivalent to triangle dai bit position of the prior art.

The utility model can also be done following improvement, for ease of processing and in establish reinforcement, described pipe trousers are made up of upper tube half, lower tube half and connecting portion, wherein, upper tube half and lower tube half connect into the main body that tubulose constitutes the pipe trousers, lower tube half is than first pipe range, the part that its leading section protrudes in upper tube half is a connecting portion, it is connected with the outer end of described shovel board neck, the end face of described neck outer end then adapts with the end surface shape of pipe trousers upper tube half and is connected, with the appearance requirement that satisfies garden shovel and the connection request of shovel board and pipe trousers.

The utility model can also further be done improvement, and the connecting portion of described pipe trousers is a lath-shaped brace, and it is fixedly linked to the extension of shovel board bottom and with the shovel board bottom, plays the effect that the reinforced pipe trousers are connected with shovel board.

Described brace can be corresponding with the position of the neck connector of shovel board, and can with the lower tube half structure that is formed in one.

The utility model is the bonding strength of further reinforced pipe trousers and shovel board, can add at least one reinforcement at both connecting portions: utilize described shovel board neck convex configuration, form first cavity between the connecting plate on its inner and the pipe trousers, the upper and lower semicanal of its outer end portion and pipe trousers, between form second cavity, two cavitys connect; Described reinforcement vertically interts and is fixed in described first cavity and second cavity.The length of described reinforcement and shape can be decided according to the shape and the requirement of strength of pipe trousers, the length that reinforcement is positioned at second cavity preferably surpasses the docking section of neck outer face and upper tube half end face, utilize this reinforcement to be connected the both sides of described docking section, shovel board neck and the bonding strength of managing trousers can be improved, thereby the stressed of shovel neck can be effectively strengthened.

The cross section of pipe trousers described in the utility model can be geometries such as circular, square or polygon, and the pipe trousers can be column tube; The pipe trousers can also be conical pipe, and promptly the afterbody cross section is greater than the cross section near neck.

In order to reach best reinforcement stressed effect, the shape of described reinforcement preferably adapts with the shape of the longitudinal profile of described first cavity, flexible design as requested, be designed to not have the monolithic construction of section tie point, as can being that square strip, cross section is polygonal strip etc. for circular strip, cross section for tabular, cross section.When reinforcement is strip, can also be designed to hollow or solid as requested.Because the inner surface of pipe trousers upper tube half is open, can directly weld with reinforcement, pipe trousers lower tube half and the method that can adopt the perforate welding being connected of reinforcement, promptly be connected position perforate welding with reinforcement in pipe trousers lower tube half, make it form a firmly integral body, thereby the load force of reinforcement is strengthened greatly.

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

(1) load is strong: garden shovel described in the utility model is managed shovel board and triangle dai position place and part that trousers change shovel board into and neck is that overall structure is one-body molded, the pipe trousers of having avoided garden shovel fully can obviously strengthen the load force of garden shovel usually in the problem of stressed place, the triangle dai position disengaging shovel board of concentrating the most; If further adopt the structure of split type pipe trousers and reinforcement, load force can also further improve;

(2) easily processing, can realize mechanization production: because the improvement of garden shovel structure described in the utility model,, make garden shovel triangle dai position place no longer need built-up welding, mainly be positioned at the shovel board back side and connect welding position, and be the plane welding, not only welding but also sanding and polishing easily easily, other welding position then all on the pipe trousers, are also adopted the automation welding easily, all can realize substep mechanization polishing, production efficiency significantly improves;

(3) quality is good: because the change of above-mentioned garden shovel structure makes processing technology be improved, can adopt automation equipment standardization processing, surface quality of products and interior quality all are improved;

(4) labour intensity is low; environmental pollution is few: adopt mechanical automatic buffing equipment can keep apart production operation personnel and operating environment; install dust environmental protection retracting device additional in the operation district; the operator who not only needs is few; labour intensity reduces greatly; operating environment is also influenced hardly to workman's health harm, and environmental pollution can be controlled the national minimum standard scope that drops to fully.

Description of drawings

Fig. 1 is the perspective view of the garden shovel of prior art;

Fig. 2 is the plan structure schematic diagram of the garden shovel of prior art;

Fig. 3 is the sectional structure schematic diagram of the garden shovel of prior art;

Fig. 4 is the stereochemical structure decomposing schematic representation of the garden shovel of prior art;

Fig. 5 is the perspective view behind the weld cracking of garden shovel of prior art;

Fig. 6 is the STRUCTURE DECOMPOSITION schematic diagram of the garden shovel of the utility model embodiment 1;

Fig. 7 is the top perspective structural representation of the garden shovel of the utility model embodiment 1;

Fig. 8 be the utility model embodiment 1 garden shovel look up perspective view;

Fig. 9 is the sectional structure schematic diagram of the garden shovel of the utility model embodiment 1;

Figure 10 is the STRUCTURE DECOMPOSITION schematic diagram of the garden shovel of the utility model embodiment 2;

Figure 11 is the structural representation of the strip reinforcement of garden shovel of the present utility model, and the cross section of reinforcement is circular;

Figure 12 is the structural representation of the strip reinforcement of garden shovel of the present utility model, and the cross section of reinforcement is square.

Embodiment

Embodiment 1

Fig. 6～steel garden shovel and production technology thereof shown in Figure 9 is one of specific embodiment of the utility model, it comprises shovel board 1 and pipe trousers 2, shovel board 1 is provided with and extend out to the neck 11 that shovel board 1 is used for and pipe trousers 2 link to each other outward, and shovel board 1 and neck 11 structure that is formed in one, the neck 11 of shovel board is microscler convex configuration, it stretches out the shovel board 1 outer part that is used for being connected with pipe trousers 2 and is called the neck outer end, it has the shape that matches with the connecting portion 21 of managing trousers 2, the part that the neck of projection extends in shovel board then is called the inner of neck 11, and this inner is equivalent to triangle dai bit position of the prior art.

Pipe trousers 2 are tubular element, it is by upper tube half 2a, lower tube half 2b and connecting portion are formed, connecting portion is a lath-shaped brace 2c, wherein, upper tube half 2a and lower tube half 2b connect into the main body that tubulose constitutes pipe trousers 2, lower tube half 2b is long than upper tube half 2a, brace 2c and the lower tube half 2b structure that is formed in one, it is positioned at the leading section of pipe trousers 2, and protruding in upper tube half 2a, brace 2c extends to shovel board 1 bottom, and is corresponding with the position of shovel board neck 11, and be connected with shovel board neck 11, the end face of neck 11 outer ends then adapts with the end surface shape of pipe trousers upper tube half 2a and is connected.

Form first cavity between the brace 2c on the inner of shovel board neck 11 convex configuration and the pipe trousers 2, form second cavity between upper and lower semicanal 2a, the 2b of its outer end portion and pipe trousers 2, two cavitys connect, in two cavitys, add a tabular reinforcement 3, this reinforcement 3 vertically interts and is fixed in first cavity and second cavity, the shape of the longitudinal profile of the shape of reinforcement 3 and first cavity and second cavity adapts, and reinforcement 3 plays the effect that reinforced pipe trousers 2 are connected with shovel board 1.

It is fixed-type to be welding between all parts of above-mentioned steel garden shovel, can adopt welding procedures such as downhand welding, straight weldering, great circle fillet welding, and the weld seam 4 of weld is as Fig. 7, shown in Figure 8.

Embodiment 2

Garden shovel shown in Figure 10 and production technology thereof are two of specific embodiment of the utility model, different is with a last embodiment, the cross section of the pipe trousers 2 of garden shovel is a hexagon, correspondingly, neck connector 11 adapts with the shape of cross section of the top semicanal 2a of pipe trousers 2, the outer surface that is neck connector 11 comprises an end face and two sides that tilt laterally, and the external part end face of neck connector 11 connects fixing with the end face of the top semicanal 2a of pipe trousers 2.

In the above embodiments, the cross section of pipe trousers 2 can also be geometry such as square, mainly is to come surely according to concrete use and appearance requirement, and such as being designed to conical pipe, promptly the afterbody cross section is greater than the cross section near neck.The shape of reinforcement 3 is flexible design as requested also, be designed to not have the monolithic construction of section tie point, as can being that square strip, cross section is polygonal strip etc. for circular strip, cross section for tabular, cross section, cross section as shown in figure 11 is circular strip, cross section shown in Figure 12 is square strip, and cross section is polygonal strip, inclined to one side piece etc.When reinforcement 3 adopts strip, can also be designed to hollow or solid as requested.

Claims

1, a kind of steel garden shovel, it comprises shovel board (1) and pipe trousers (2), it is characterized in that: described shovel board (1) is provided with and extend out to the outer neck (11) that links to each other with pipe trousers (2) of being used for of shovel board (1), and shovel board (1) and described neck (11) structure that is formed in one; Described pipe trousers (2) are tubular element, and its front end is provided with and is used for the connecting portion that is bonded with each other with shovel board neck (11), and described shovel board neck (11) engages with the connecting portion of pipe trousers (2), combine thereby make shovel board (1) and manage trousers (2).

2, a kind of steel garden shovel according to claim 1, it is characterized in that: described neck (11) is microscler convex configuration, it stretches out the outer part that is used for being connected with pipe trousers (2) of shovel board (1) and is called the neck outer end, it has the shape that the connecting portion (21) with described pipe trousers (2) matches, the part that the neck of projection extends in shovel board then is called the inner of described neck (11), and this inner is equivalent to triangle dai bit position of the prior art.

3, a kind of steel garden shovel according to claim 2, it is characterized in that: described pipe trousers (2) are made up of upper tube half (2a), lower tube half (2b) and connecting portion, wherein, upper tube half (2a) connects into the main body that tubulose constitutes pipe trousers (2) with lower tube half (2b), lower tube half (2b) is long than upper tube half (2a), the part that its leading section protrudes in upper tube half (2a) is a connecting portion, it is connected with the outer end of described shovel board neck (11), and the end face of described neck (11) outer end then adapts with the end surface shape of pipe trousers upper tube half (2a) and is connected.

4, a kind of steel garden shovel according to claim 3 is characterized in that: the connecting portion of described pipe trousers is a lath-shaped brace (2c), and it is fixedly linked to the extension of shovel board (1) bottom and with shovel board (1) bottom.

5, a kind of steel garden shovel according to claim 4 is characterized in that: described brace (2c) is corresponding with the position of the neck connector (11) of shovel board (1), and with lower tube half (2b) structure that is formed in one.

6, a kind of steel garden shovel according to claim 5, it is characterized in that: the connecting portion in pipe trousers (2) and shovel board (1) adds at least one reinforcement (3), form first cavity between the brace (2c) on the inner of described shovel board neck (11) convex configuration and the pipe trousers (2), form second cavity between the upper and lower semicanal (2a, 2b) of its outer end portion and pipe trousers (2), two cavitys connect; Described reinforcement (3) vertically interts and is fixed in described first cavity and second cavity.

7, a kind of steel garden shovel according to claim 6, it is characterized in that: the cross section of described pipe trousers (2) can be geometries such as circular, square or polygon, pipe trousers (2) are column tube or conical pipe, and conical pipe is that the afterbody cross section is greater than the cross section near neck.

8, a kind of steel garden shovel according to claim 7 is characterized in that: the shape of the longitudinal profile of the shape of described reinforcement (3) and described first cavity and second cavity adapts.