CN208724328U - A kind of novel convenient contraction rake - Google Patents

Abstract

The utility model discloses a kind of novel convenient contraction rakes, belong to Mechanical Contraction device field.It includes end wrap-up, upper raking arm, shrinks loop bar, lower raking arm, harrow nail support receiving apparatus, rotation harrow nail, chain condition, harrow nail lid; the raking arm of the utility model is shrinkable; end wrap-up is connect with harrow nail support receiving apparatus by winding wire; harrow nail supports receiving apparatus and is connected with two harrow nails rotated on the outside of harrow nail; harrow nail overall linkage is realized by chain condition; harrow nail is protected after shrinking with harrow nail lid; under the premise of not influencing the working performance and structural stability of rake, has the advantages that simply to shrink, be convenient for carrying, reduce volume exclusion, safety durable.

Description

A kind of novel convenient contraction rake

Technical field

The utility model belongs to Mechanical Contraction device field, and more specifically, it relates to one kind to be convenient for carrying convenient for shrinking Rake.

Background technique

In agriculture and forestry, either grain is still collected in weeding, and rake occupies critical positions as essential tool, But the use of rake is related with solar term, the frequency interval time used is more long, and existing rake exists substantially in storage The too long phenomenon of the body of rod, this, which not only exists in storage, topples over danger, but also not portable, while taking up space again, and harrow nail is being deposited It is easy accidentally to touch injury when putting, there is also security risk, the harrow nail of some materials is chronically exposed to inevasible in humid air There are corrosions.

Up to the present, there is not the comprehensive comprehensive solution to solve the above problems also.

Through retrieving, Chinese Patent Application No. CN201620060087.6, the applying date is on January 22nd, 2016, patent name Are as follows: a kind of gardens rake of New-type instant operation；The technical essential of this application is to be integrally formed design by raking arm and rake seat, It is fixedly connected on rake seat and is provided with several contraction rakes, contraction harrows upper contraction spring bracket and passes through tensioning rope and be arranged in rake seat On tensioning apparatus be connected, shrink rake is shunk by contraction spring bracket and tensioning apparatus, rake seat on pass through straight-bar company It connects and is provided with creeper, creeper is connected with universal wheel by connecting rod, can be convenient and drags, and hair dryer is arranged in lever can Operation is blowed, but the tensioning apparatus is inconvenient to use and shrinks with certain limitation, and does not add rake Protective device is followed closely, hair dryer device practicability needs to be investigated, and increases production cost.

Through retrieving, Chinese Patent Application No. CN201220310865.4, the applying date is on June 28th, 2012, patent name Are as follows: a kind of flexible rake of cultivation；The technical essential of this application is that telescopic rod is that a closing one is hollow for pipe screw thread Round tube, pipe screw thread have several shaft orientation opening grooves, and pipe screw thread part is equipped with corresponding retaining ring, retaining ring inner hole be with it is corresponding The corresponding internal thread hole in pipe screw thread part of telescopic rod, telescopic rod are made of the thin different pipe fitting of several root thickness, several compositions Thicker pipe fitting covers outside thinner pipe fitting in the pipe fitting of telescopic rod and transition fit of mutually coordinating, telescopic rod are provided with relatively Thin telescopic rod, rake are mounted in telescopic rod most thin in the telescopic rod with a mounting rod, and rake is by several at fan The eave tile steel wire of shape arrangement is constituted, but not harsh to the length requirement of the body of rod in daily agricultural rake, and for accounting for It is not subject to folding according to the harrow nail in space.

Through retrieving, Chinese Patent Application No. CN201120499080.1, the applying date is on December 5th, 2011, patent name Are as follows: a kind of new-type mop rod；The technical essential of this application is mop body top equipped with scalable mop rod, scalable mop rod Bottom is equipped with connection casting, and connection casting lower section is equipped with mophead, but the Telescopic rod structure lacks fixed device, cannot be by bar Body length is fixed up.

Utility model content

1, it to solve the problems, such as

Existing rake the body of rod stretch it is unstable, not portable, take up space and there are problems that security risk, this reality It is easy to use with the novel one kind that provides, and is easy to shrink, be convenient for carrying, can be reduced and take up space, while safety durable is convenient Shrink rake.

2, technical solution

To solve the above problems, the utility model adopts the following technical solution:

A kind of novel convenient contraction rake, including dress is received in end wrap-up, upper raking arm, contraction loop bar, lower raking arm, harrow nail support It sets, rotate harrow nail, chain condition, harrow nail lid, described includes twisting disk, bolt end wrap-up；The upper raking arm includes section Piece, recessed sliding slot, nut mouth, lower nest key；The contraction loop bar includes the hole Liang Zu Testis, two groups of short concave blocks；The lower rake Bar includes screw thread mouth, lower nest key, recessed sliding slot, trapezoidal box；The harrow nail constriction device includes being connected not with winding wire Equal diameter springs, reset spring, bracket；Wherein, axis hole and the upper raking arm company for end wrap-up being passed through by bolt nodal plate It connects, the upper raking arm, lower raking arm, which are directly injected along recessed sliding slot, shrinks loop bar, and the harrow nail support receiving apparatus does not wait on diameter springs End is connected with line, and the other end of winding wire passes through the aperture of nodal plate and is connected on bolt, and not isometrical lower spring end is fixed on lower rake On the trapezoidal box of bar, the shaft of the rotation harrow nail and two harrow nail of outside is all fixed on trapezoidal box, the pin shaft of the chain condition Being fixed on the back side on harrow nail, to be connected with harrow nail, the harrow nail lid is fastened on trapezoidal box lower end.

As a further improvement, described be placed in top constriction device in the cavity of bar, upper end is the stubborn disk for having nut bore, Bolt is connected with one end of winding wire, and nodal plate is fixed on raking arm, can wear bolt and be equipped with a hole, for wearing winding wire and inserting Pin is fixed.

As a further improvement, several pin holes are enclosed in the stubborn dribbling one, set Kong Kesai bolt on nodal plate, to It is fixed.

As a further improvement, the upper raking arm, lower raking arm are steady with the connection structure of contraction loop bar after body of rod contraction Fixed, lower nest key, lower nest key are Yu the cooperation of the hole Testis, matches along the recessed sliding slot of bar, recessed sliding slot with short concave block.

As a further improvement, the upper raking arm, lower raking arm can screw up after body of rod contraction shrinking in loop bar, lower rake The screw thread mouth on bar top is matched with the nut mouth of upper raking arm lower end, is communicated to recessed sliding slot along the recessed sliding slot of bar with cutting.

As a further improvement, the contraction loop bar the body of rod contraction after, will not be relative to upper raking arm, lower raking arm above and below Sliding shrinks loop bar there are chamfering, and there is short concave block in lower end, they can be cut by chamfering and lower raking arm to recessed sliding slot respectively It hinders.

As a further improvement, the harrow nail support receiving apparatus is folded by the two harrow nails control of connection outside, harrow nail is shunk Device includes not waiting diameter springs, reset spring, bracket, and the other end of winding wire is connected in not isometrical spring upper end, draws high winding wire Bracket can be made to strut, reset spring enables bracket automatic retracting again.

As a further improvement, bracket integrally has certain shape, pedestal upper end mouth in the harrow nail support receiving apparatus With two harrow nail of outside keeping parallelism as far as possible.

As a further improvement, the chain condition is by relying on two harrow nails of outside to drive the stretching, extension of rotation harrow nail and shrink.

As a further improvement, the harrow nail lid covers the harrow nail after folding, the lower end of trapezoidal box can be fastened on.

3, beneficial effect

Compared with the prior art, the utility model has the following beneficial effects:

(1) body of rod of the utility model can simply be shunk, and stablized after contraction and be not easy to lose, reliably put also can traverse, lean on When putting, injury when raking arm is toppled over to people can be reduced；

(2) the harrow nail interval of the utility model is adjustable, and removal is facilitated to be clipped in the stalk weeds in harrow nail gap；

(3) the utility model is built-in using the body of rod end wrap-up, and the normal gripping of raking arm is not interfered to use；

(4) harrow nail of the utility model can be lived after shrinking with harrow nail housing, play the role of security protection；

(5) the utility model integrally uses stabilized contraction formula structure, is convenient for carrying, reduction takes up space；

(6) the utility model structure is simple, and design is rationally, convenient and practical.

Detailed description of the invention:

Fig. 1 is the novel convenient structural schematic diagram for shrinking rake of one kind of the utility model；

Fig. 2 is the A direction view of Fig. 1；

Fig. 3 is the B direction view of Fig. 1；

Fig. 4 is the bolt in barre wrap-up；

Fig. 5 is the top view of the novel convenient contraction loop bar for shrinking rake of one kind of the utility model；

Fig. 6 is that the novel convenient harrow nail for shrinking rake of one kind of the utility model supports receiving apparatus main view；

Fig. 7 is the novel convenient contractive effect figure for shrinking rake of one kind of the utility model.

Description of symbols in figure:

1, end wrap-up；1-1, pin hole；1-2, nut bore；1-3, disk is twisted；1-4, bolt；1-5, bolt；1-6, Winding wire；

2, upper raking arm；2-1, nut mouth；2-2, first are along the recessed sliding slot of bar；2-3, the first lower nest key；2-4, first section To recessed sliding slot；2-5, nodal plate；

3, loop bar is shunk；The hole 3-1, Testis；3-2, short concave block；3-3, chamfering；

4, lower raking arm；4-1, screw thread mouth；4-2, the second lower nest key；4-3, second are along the recessed sliding slot of bar；4-4, second section To recessed sliding slot；4-5, harrow nail lid；4-6, trapezoidal box；

5, harrow nail supports receiving apparatus；5-1, the diameter springs such as not；5-2, reset spring；5-3, bracket；

6, harrow nail is rotated；

7, chain condition.

Specific embodiment

The utility model is described further with reference to the accompanying drawing.

Embodiment 1

As shown in figure 1, figure 2, figure 3, figure 4 and figure 5, a kind of novel convenient contraction rake, including end wrap-up 1, upper raking arm 2, loop bar 3, lower raking arm 4, harrow nail support receiving apparatus 5, rotation harrow nail 6, chain condition 7, harrow nail lid 4-5 are shunk, loop bar 1 is shunk and is using When rake, the first lower nest key 2-3 and nest hole 3-1 guarantees the stability along bar direction, and short concave block 3-2 and first is along the recessed sliding slot of bar 2-2 ensures the stability of body of rod axial direction, and the normal use to guarantee the body of rod can be stably connected with upper and lower raking arm；When shrinking, Short concave block 3-2 slides to first section to upper and lower raking arm phase can be realized at recessed sliding slot 2-4 along the recessed sliding slot 2-2 of bar along first For shrinking the axial-rotation of loop bar 3, realize that nut mouth 2-1 and screw thread mouth 4-1 are shrinking in loop bar and can screw up with this, this Outside, loop bar 3 is shunk since there are the short concave blocks of chamfering 3-3 and lower end, they can be respectively by chamfering 3-3 and the second of lower raking arm 4 The obstruction to recessed sliding slot 4-3 is cut, will not be slided up and down relative to upper raking arm 2, the lower raking arm 4 after tightening, top winding dress Setting 1 is rotated using twisting the axis hole of hand and bolt 1-4 as rotary body around nodal plate, and one end of winding wire is connected on bolt 1-4, is turned Bolt 1-4 can temporarily wind winding wire when dynamic, in order to finally fix it, pass through pin hole 1-1 and threading using bolt 1-5 The mode in hole, when the body of rod is shunk, extra winding wire can use device collection, and keeping winding wire to tighten makes at harrow nail In contraction state, it is ensured that whole small and exquisite portable and saving space crosses long rod when having evaded storage and topples over the danger hurted sb.'s feelings.

As shown in Fig. 1, Fig. 6, harrow nail telescopic device 5 includes not equal diameter springs 5-1, reset spring 5-2, bracket 5-3, wherein The other end of the not equal upper end diameter springs 5-1 connection winding wire, lower end are connected on trapezoidal box 4-4, and the both ends of reset spring 5-2 connect At the middle part of bracket 5-3, the upper end bracket mouth of bracket 5-3 is in interior receipts shape, respectively with two harrow nail of outermost keeping parallelism as far as possible. When winding wire is tight, not equal diameter springs 5-1 is pulled up, and is increasing in the spring radius of bracket mouth, is pushed bracket 5-3 It opens, makes to fold with integrated two harrow nail of outside of bracket 5-3, at this point, reset spring 5-2 is in tensional state；When winding wire is put Song Shi, not equal diameter springs 5-1 are shunk, and reset spring 5-2, which is shunk, drives bracket to strut two outside harrow nails, during chain condition can make Between rotation harrow nail 6 and the linkage of two outside harrow nails, convenient flexible rake overall structure is easy to shrink carrying, and reduction takes up space, and harrows Harrow nail is contacted with the excessive of humid air when following closely lid 4-5 to cover harrow nail, accidental injury when avoiding idle, and reducing storage, centainly The corrosion of certain material harrow nails is reduced in degree, promotes durability.

It is as follows to receive rake, the process of support rake for the specific implementation process of the present embodiment:

It receives rake: first pressing the first lower lower nest key 4-2 of nest key 2-3 and second, raking arm 2, lower raking arm 4 is allowed to receive contraction In loop bar 3, then upper raking arm 2, lower raking arm 4 screwed up, rotate and twist disk 1-3 and collect winding wire, until harrow nail is shunk it is complete when, with inserting Selling 1-5 will be fixed end constriction device 1, finally install harrow nail lid 4-5.

Support rake: first removing harrow nail lid 4-5, extracts bolt 1-5 out, unscrews raking arm 2, lower raking arm 4, and short concave block 3-2 is aligned First props up the body of rod along the recessed sliding slot 4-3 of bar along the recessed sliding slot 2-2 and second of bar, makes under the first lower nest key 2-3 and second Nest key 4-2 ejection, 1 Synchronous Radio winding wire of end wrap-up, harrow nail can strut automatically.

Embodiment 2

The novel convenient contraction rake of one kind of the present embodiment, it is substantially the same manner as Example 1, the difference is that: such as Fig. 1, figure 5, shown in Fig. 7, the mode fixed in embodiment 1 when not in use, can be used for a period of time with bolt, to carry and store, And in the present embodiment, flexibly use bolt 1-5, it is therefore intended that the convenience of use process.

One, when in use, when weeds stalk is more, have soon the sundries such as stalk weeds be stuck in harrow nail it Between, such case is more frequent, at this point, bolt 1-5 can leave unused, first micro- turn of stubborn disk 1-3, first clamps pressure for the sundries pressed from both sides Contracting, unclamps again stubborn disk 1-3, and sundries can voluntarily fall removing, and user is just not necessarily to that sundries is often bent over to remove, and clears up in this way Fallen leaves on rake teeth will improve working efficiency, mitigate work load.

Two, there are when using rake of screening, when such as collecting peanut and sieving leakage sandy soil, adjustable stubborn disk 1-3 to harrow nail When gap be able to pull peanut size, fixed with bolt 1-5；Its principle realized is, does not wait the upper end diameter springs 5-1 to have A variety of radiuses of transition, tensile elongation is different, does not wait the radius of diameter springs 5-1 different, and the opening and closing degree of corresponding bracket 5-3 is not Together, the gap size of harrow nail is naturally different, in this way, harrow nail gap size can be adjusted, it is convenient and practical.

Schematically the utility model and embodiments thereof are described above, this describes no limitation, attached drawing Shown in be also one of the embodiments of the present invention, actual structure is not limited to this.So if this field Ordinary person inspired by it, do not depart from the utility model create objective in the case where, not inventively design and the skill The similar frame mode of art scheme and embodiment, all should belong to the protection range of the utility model.

Claims (10)

1. a kind of novel convenient contraction rake, it is characterised in that: including end wrap-up (1), upper raking arm (2), contraction loop bar (3), lower raking arm (4), harrow nail support receiving apparatus (5), rotation harrow nail (6), chain condition (7), and described includes end wrap-up (1) Twist disk (1-3), bolt (1-4), winding wire (1-6)；The upper raking arm (2) includes nodal plate (2-5), the first lower nest key (2- 3) nut mouth (2-1), first, are equipped with along the recessed sliding slot of bar (2-2)；The contraction loop bar (3) is equipped with the hole Liang Zu Testis (3-1)； The lower raking arm (4) includes the second lower nest key (4-2), trapezoidal box (4-6), is equipped with screw thread mouth (4-1), second recessed along bar Sliding slot (4-3)；Harrow nail support receiving apparatus (5) includes not waiting diameter springs (5-1), bracket (5-3)；Wherein, described that end is received The bolt (1-4) of winding apparatus (1) passes through axis hole and stubborn disk (1-3) mating connection on the nodal plate (2-5) of upper raking arm (2), upper rake Bar (2) connection, the upper raking arm (2), lower raking arm (4) directed along first along the recessed sliding slot of bar (2-2), second along the recessed cunning of bar Slot (4-3), which injects, shrinks loop bar (3), when contraction, is cooperatively connected in inside by nut mouth (2-1) and screw thread mouth (4-1), stretching, extension When, upper raking arm (2), contraction loop bar (3), lower raking arm (4) pass through first lower nest key (2-3), second lower nest key (4-2) and two The group hole Testis (3-1) is fixed, and harrow nail support receiving apparatus (5) does not wait the diameter springs upper end (5-1) to be connected with winding wire (1-6), receives The other end of spiral (1-6) passes through the aperture of nodal plate (2-5) and is connected on bolt (1-4), and not equal lower end diameter springs (5-1) is fixed On the trapezoidal box (4-6) of lower raking arm (4), the fixing axle of rotation harrow nail (6) is connected on trapezoidal box (4-6), the chain The pin shaft of part (7) is connected to the free end close to rotation harrow nail (6).

2. the novel convenient contraction rake of one kind according to claim 1, it is characterised in that: described end wrap-up (1) It is placed in the cavity of raking arm (2), twists nut bore (1-2) set on disk (1-3) and matched with bolt (1-4), winding wire (1- 6) one end is connected on bolt (1-4), and nodal plate (2-5) is fixed on raking arm (2), which is provided with axis hole.

3. the novel convenient contraction rake of one kind according to claim 2, it is characterised in that: the stubborn disk (1-3) sets a circle Pin hole (1-1), correspondence sets an aperture on nodal plate (2-5), and bolt (1-5) fills in pin hole (1-1) and aperture.

4. the novel convenient contraction rake of one kind according to claim 1, it is characterised in that: the upper raking arm (2) is equipped with the One section, to recessed sliding slot (2-4), is shunk loop bar (3) upper and lower port equipped with the two groups short concave block (3-2) along bar direction, lower raking arm (4) be equipped with second section to recessed sliding slot (4-4), first lower nest key (2-3), second lower nest key (4-2) respectively with Liang Zu Testis Hole (3-1) cooperation, first along the recessed sliding slot of bar (2-2) and first section to recessed sliding slot (2-4), second along the recessed sliding slot (4- of bar 3) it is matched to recessed sliding slot (4-4) with two groups short concave block (3-2) with second section.

5. the novel convenient contraction rake of one kind according to claim 1, it is characterised in that: described lower raking arm (4) top Screw thread mouth (4-1) is matched with the nut mouth (2-1) of upper raking arm (2) lower end, first along the recessed sliding slot of bar (2-2) with first section to Recessed sliding slot (2-4) communicates, and second communicates with second section to recessed sliding slot (4-4) along the recessed sliding slot of bar (4-3).

6. the novel convenient contraction rake of one kind according to claim 1, it is characterised in that: the contraction loop bar (3) is equipped with Chamfering (3-3).

7. the novel convenient contraction rake of one kind according to claim 1, it is characterised in that: the harrow nail supports receiving apparatus (5) Including not equal diameter springs (5-1), reset spring (5-2), bracket (5-3)；The outside two of bracket (5-3) connection rotation harrow nail (6) Harrow nail, the reset spring both ends (5-2) are mutually linked with bracket (5-3).

8. the novel convenient contraction rake of one kind according to claim 7, it is characterised in that: the upper end of the bracket (5-3) Bracket mouth be in interior receipts shape, respectively with two harrow nail keeping parallelism of outermost.

9. the novel convenient contraction rake of one kind according to claim 1, it is characterised in that: the pin shaft of the chain condition (7) It is fixed on the close free end of rotation harrow nail (6).

10. the novel convenient contraction rake of one kind according to claim 1, it is characterised in that: further include harrow nail lid (4-5), institute The size of the harrow nail lid (4-5) and rotation harrow nail (6) stated is adapted, and opening is fastened on the lower end of trapezoidal box (4-6).