CN204868784U - Connecting rod and digging tool - Google Patents
Connecting rod and digging tool Download PDFInfo
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- CN204868784U CN204868784U CN201420691793.1U CN201420691793U CN204868784U CN 204868784 U CN204868784 U CN 204868784U CN 201420691793 U CN201420691793 U CN 201420691793U CN 204868784 U CN204868784 U CN 204868784U
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Abstract
The utility model belongs to the technical field of the interconnect of pole or pipe, solve current holding rod and take place the rotatory defect of one section. The connecting rod is equipped with external screw thread (4) including the left end body of rod (1) (b) (b) one end among this connecting rod and digging tool, the right -hand member body of rod (2) (b) (b) one end is equipped with internal thread (5), external screw thread (4) can with internal thread (5) spiro union, the left end body of rod (1) (b) (b) one end is equipped with ring latch (6), the right -hand member body of rod (2) (b) (b) one end is equipped with axial motion movable latch (7), ring latch (6) are in when the axial is docked with activity latch (7) can the block position, activity latch (7) is equipped with spring (8), spring (8) suppress on activity latch (7) and messenger's activity latch (7) keeps the outwards state of bounceing. Digging tool excavates (b) second end (b) that head (27) root is fixed in (b) second end (b) or the right -hand member body of rod (2) of the left end body of rod (1) of above -mentioned connecting rod including excavating head (27). Firm in connection conveniently carries, dismantles swiftly.
Description
Technical field
The invention belongs to being interconnected of bar or pipe, or the handle arrangement technical field of segmentation.
Background technology
Chinese patent, name is called a kind of Telescopic road locking device, the patent No. 201020195191.9 discloses a kind of farm implements of interchangeable handle, by farm tool head and mutually between the more piece holding rod that is socketed by screw thread form, farm tool head and holding rod connecting portion are provided with that tool is female overlaps letter, and holding rod is the metallic rod of hollow, the structure of each joint holding rod is the same, respectively be provided with internal thread and external screw thread at two ends, holding rod and farm tool head are socketed to form by screw thread, and adjacent each joint holding rod is socketed to form by screw thread.Described holding rod can be formed by connecting by more than one holding rod.
Although the farm implements of this interchangeable handle have assemble feature efficiently, but because the farm implements of interchangeable handle are in vibrational state when work always, and when shoveling soil, farm tool head also can relatively rotate when exerting oneself shovel, spade relative to holding rod, as long as occur a bit to relatively rotate, will naturally unclamp between two holding rods originally tightened.Therefore, its Problems existing is in the course of work prized in the vibration of constantly excavating and constantly scooping up between two joint holding rods, internal thread and external screw thread can relatively rotate, the adjacent two joint holding rods that making originally is spirally connected mutually screws naturally produce and get loose, thus cause the handle entirety of farm implements that a section rotation occurs, like this, farm tool head also can rotate thereupon, not only have a strong impact on labor operation, and the farm tool head got loose in addition rotates and even throws away and brings the possibility of harm.
Summary of the invention
The first object of the present invention is to provide one to be spirally connected fast, has the connecting rod blocking structure.
For realizing this object of the present invention, the first connecting rod of the present invention, comprise the left end body of rod, left end body of rod first end is provided with external screw thread, the right-hand member body of rod, right-hand member body of rod first end is provided with internal thread, external screw thread can be spirally connected with internal thread, left end body of rod first end is provided with annulus latch, right-hand member body of rod first end is provided with the movable latch of axially-movable, annulus latch and movable latch are in when axially dock can clamped position, and movable latch is provided with spring, and spring suppression is on movable latch and the maintenance of movable latch is outwards upspring state.
During use, rotate after external screw thread on the left end body of rod being aimed at the internal thread on the right-hand member body of rod and be spirally connected, in the process be spirally connected, annulus latch is along with the rotation of the left end body of rod, and the active card tooth spiral constantly to the right-hand member body of rod turns propelling, when annulus latch top is to movable latch, due to the cause of latch, annulus latch can only rotate to the direction screwed, can not rotate to the direction of rotation got loose, two connecting rods are just screwed together, now, no matter what kind of Relative Vibration two connecting rods are subject to, or twisting, all can not rotate backward, effectively overcome the problem naturally got loose in the course of the work.During dismounting, as long as moved inward by active card tooth, make movable latch depart from annulus latch, two connecting rods just can constantly reversely rotate, until internal thread can depart from external screw thread spiral shell, the left end body of rod and the right-hand member body of rod have just been taken apart.It is simple that the present invention has structure, and be connected firmly, integral shaft is high to support strength, and bend resistance intensity is large, can not get loose, be convenient for carrying, and installs simple, tear open, unload advantage efficiently.
The second object of the present invention is to provide one can be spirally connected from beginning to end fast, has the connecting rod blocking structure.
The inventive concept of design feature is interconnected according to above-mentioned connecting rod, for realizing the second object of the present invention, the second connecting rod of the present invention comprises the body of rod, the body of rod is divided into left section and right section, left section is provided with external screw thread, right section is provided with internal thread, internal thread can with external thread bolt connection, left section is provided with annulus latch, right section be provided with can the movable latch of axially-movable, annulus latch and movable latch are in when axially dock can clamped position, and movable latch is provided with spring, and spring suppression is on movable latch and the maintenance of movable latch is outwards upspring state.
During use, get two above-mentioned connecting rods, the left end of one of them connecting rod is docked with the right-hand member of another connecting rod, the left end external screw thread of a connecting rod is made to insert in the right-hand member internal thread of another connecting rod, rotate two connecting rods, external screw thread and internal thread are spirally connected, in the process be spirally connected, annulus latch on left section of connecting rod rotates along with this connecting rod, and constantly turn propelling to the active card tooth spiral on right section of another connecting rod, when annulus latch top is to movable latch, due to the cause of latch, annulus latch can only rotate to the direction screwed, can not rotate to the direction of rotation got loose, two connecting rods are just screwed together, now, no matter what kind of Relative Vibration two connecting rods are subject to, or twisting, all can not rotate backward, effectively overcome the problem naturally got loose in the course of the work.During dismounting, as long as moved inward by active card tooth, make movable latch depart from annulus latch, two connecting rods just can constantly reversely rotate, until internal thread can depart from external screw thread spiral shell, two connecting rods have just been taken apart.The present invention only needs the connecting rod manufacturing a kind of structure just each connecting rod of different lengths can be freely formed the stock of Len req, there is structure simple, be connected firmly, integral shaft is high to support strength, bend resistance intensity is large, can not get loose, be convenient for carrying, install simply, dismantle advantage efficiently.
The body of rod in the second connecting rod can be spirally connected respectively with the left end body of rod in the first connecting rod, the right-hand member body of rod, forms multiple combination, as the body of rod, the combination of the left end body of rod.The body of rod, the right-hand member body of rod combine.One or more body of rod and the left end body of rod, the combination of the right-hand member body of rod etc., form the connecting rod of multiple different length, be convenient to user use according to Len req assembling, the various bodies of rod that multiple lengths differs are become after various connecting rod dismounting, be convenient for carrying, and can be as required when using, because the body of rod, the left end body of rod, the right-hand member body of rod can be spirally connected mutually, therefore can be as required, longer connecting rod is assembled into again after being dismantled by connecting rod relatively short for multiple different length, vice versa, and connecting rod of the present invention is suitable for various different places and uses.
3rd object of the present invention is to provide a kind of handle can segmentation loading, unloading, and length independent assortment is convenient, has the digging tool blocking structure.
Be interconnected the inventive concept of design feature according to above-mentioned connecting rod, for realizing object of the present invention, the first digging tool of the present invention, comprises mining head, and mining head root is fixed on the first end of as above the first connecting rod.
Be interconnected the inventive concept of design feature according to above-mentioned connecting rod, for realizing object of the present invention, the second digging tool of the present invention, comprises mining head, and mining head root is fixed on the second end of as above the first connecting rod.
What the structure due to above-mentioned two kinds of digging tools adopted is the left end body of rod in above-mentioned connecting rod, right-hand member bar structure, the left end body of rod, the right-hand member body of rod form the handle of digging tool, the loading, unloading operation of this handle is identical with above-mentioned connecting rod, it has intensity and the performance of above-mentioned connecting rod equally, has just repeated no more at this.
Accompanying drawing explanation
Fig. 1 is the sectional view in the first connecting rod of the present invention.
Fig. 2 is the stereogram of connecting rod in Fig. 1.
Fig. 3 is the three-dimensional installation diagram of the body of rod in the second connecting rod of the present invention.
Fig. 4 is the sectional view after the body of rod assembling in Fig. 3.
Fig. 5 is the three-dimensional sectional arrangement drawing of the body of rod in the connecting rod in Fig. 3.
Fig. 6 is that two bodies of rod in the second connecting rod of the present invention are screwed together sectional view.
Fig. 7 is one of them digging tool stereogram of the present invention.
Fig. 8 is the present invention's wherein another digging tool stereogram.
Fig. 9 is stereogram before annulus latch in the present invention, the engaging of movable latch.
Detailed description of the invention
Below in conjunction with accompanying drawing, first the specific embodiment of the first connecting rod of the present invention is described in further detail:
As shown in embodiment in Fig. 1,2, this is the first connecting rod of the present invention, comprises the left end body of rod 1, and the left end body of rod 1 first end is provided with external screw thread 4, and external screw thread 4 can be spirally connected with internal thread 5, and the left end body of rod 1 first end is provided with annulus latch 6.The right-hand member body of rod 2, the right-hand member body of rod 2 first end is provided with internal thread 5, internal thread 5 can be spirally connected with external screw thread 4, the right-hand member body of rod 2 first end is provided with the movable latch 7 of axially-movable, movable latch 7 and annulus latch 6 are in when axis is docked can clamped position, movable latch 7 is provided with spring 8, and spring 8 to suppress on movable latch 7 and makes movable latch 7 keep state of outwards upspringing.
External screw thread 4 outer end is provided with outside cylinder 14, is provided with interior circular hole 13 inside internal thread 5, and interior circular hole 13 can closely be socketed with outside cylinder 14.External screw thread 4 the inner is provided with interior cylinder 16, is provided with outer circle hole 15 outside internal thread 5, and outer circle hole 15 and interior cylinder 16 can closely be socketed.After the left end body of rod 1 and the right-hand member body of rod 2 are screwed together, external screw thread 4 and internal thread 5 only play axial connection function, then born by interior circular hole 13, outside cylinder 14 and outer circle hole 15, interior cylinder 16 respectively in the stubborn power acting on radial direction, thus avoid the fracture at screw thread place.
The axial hole 12 that can dock is respectively equipped with in the left end body of rod 1 and the right-hand member body of rod 2.Axial hole 12 is the hole arranged vertically, can alleviate the weight of the body of rod on the one hand, be convenient at Kong Zhongzang thing on the other hand, and the bend resistance intensity of the body of rod can not be weakened, and even can be strengthened.After the left end body of rod 1 and the right-hand member body of rod 2 are screwed together, two sections of axial holes 12 dock the long passage of formation one, also make the passage length in the body of rod be lengthened, can be used for placing the small tools such as long chi, rimmer knife.
Movable latch 7 is arranged on the end face of ring body 9, and ring body 9 is placed in the cavity bottom of internal thread 5, and spring 8 suppresses on ring body 9.Spring 8 is placed in bottom interior circular hole 13, and ring body 9 is placed in spring 8 outer end in interior circular hole 13.The right-hand member body of rod 2 is provided with the slotted eye 10 passing to ring body 9.Ring body 9 is provided with pass-out to the slide key 11 outside slotted eye 10.Ring body 9 is provided with screw 19, slide key 11 is provided with fixing hole 20, the screw 21 be screwed onto in screw 19 is provided with in fixing hole 20, slide key 11 is fixed on ring body 9 by screw 21, pin slide key 11 to move, just can make to slide axially in the cavity of ring body 9 internal thread 5 in the right-hand member body of rod 2, movable latch 7 is separated with ring latch 6, assembling is simple.
Then the specific embodiment of the second connecting rod of the present invention is described in further detail:
As shown in embodiment in Fig. 3 ~ 6, what in figure, upper part represented is the second connecting rod of the present invention, comprises the body of rod 3, is provided with axially extending bore 26 in the body of rod 3, and this axially extending bore 26 can dock with the axial hole 12 in the right-hand member body of rod 2.This body of rod 3 is made up of aluminium section bar, lightly, easy to carry, is convenient to processing, for handwork, has the advantage that mechanical strength is good.
The body of rod 3 is divided into left section 17 and right section 18.Because the body of rod 3 has certain length, therefore left section 17 can be identical with the length of right section 18, also can not be identical.Be provided with external screw thread 4 for left section 17, ring bottom surface 23 is formed on the bottom of external screw thread 4.Be provided with internal thread 5 for right section 18, the outer end of internal thread 5 forms ring end face 22.Internal thread 5 can be spirally connected with external screw thread 4.Be provided with annulus latch 6 for left section 17, this annulus latch 6 is and axis being parallel, and is the tooth that center of circle circle distributes ringwise with axis, and when rotating about the axis for left section 17, annulus latch 6 circles around axis.Being provided with for right section 18 can the movable latch 7 of axially-movable, and this movable latch 7 is settings of paralleling to the axis, and tooth that can be movable vertically.Annulus latch 6 can be one or many with the latch on movable latch 7.Latch is more, screws rear pivotal angle less, and engaging intensity is higher.Annulus latch 6 and the latch on movable latch 7 all have a vertical plane 24 perpendicular to transverse plane and an inclined plane 25 in a certain angle with transverse plane, as shown in Figure 9, and when engaging, vertical plane 24 pairs of vertical planes of annulus latch 6 and latch on movable latch 7, inclined plane 25 pairs of inclined planes 25, the angle of inclination of inclined plane is consistent, and can ensure that annulus latch 6 is in when axis is docked with movable latch 7 like this can clamped position.In the process of being spirally connected, annulus latch 6 and movable latch 7 two inclined planes 25 interact, and force movable latch 7 to shrink back backward, until cross tooth peak, now movable latch 7 resilience is also stuck in and nextly waits on the annulus latch 6 that rotates and come, until be threaded to the end.Now, rely on annulus latch 6 to stop Face to face with two vertical planes 24 of movable latch 7, two connecting rods again cannot be rotated backward.
The tail end of movable latch 7 is provided with spring 8, and spring 8 to suppress on the tail end of movable latch 7 and makes movable latch 7 keep state of outwards upspringing.When annulus latch 6 is stuck with movable latch 7, suppress effect due to spring 8, no matter vibrate or twisting time, movable latch 7 can both be made to remain and to be stuck in annulus latch 6.
Annulus latch 6 is arranged on the end face of left section 17, and movable latch 7 is arranged on the end face of ring body 9, can ensure like this to make annulus latch 6 can touch movable latch 7 at first when being spirally connected.Movable latch 7 is arranged on the end face of ring body 9, can arrange a circle latch like this on the end face of ring body 9, thus ensures that two connecting rods patch rotation can mutually block arbitrarily angled.Ring body 9 is placed in the cavity bottom of internal thread 5.
Right section 18 is arranged with the slotted eye 10 that two pass to ring body 9.When removal handle, be convenient to tease ring body 9 in side through slotted eye 10 and slide backward.Ring body 9 is provided with two pass-outs to the slide key 11 outside slotted eye 10, and slide key 11 is placed in slotted eye 10, and can slide axially outside slotted eye 10.The combination of slide key 11 and slotted eye 10, limit the rotation of ring body 9, make ring body 9 form axially-movable, naturally movable latch 7 can only according to axially-movable.When finger presses moves backward on slide key 11, slide key 11 will drive ring body 9 to move backward.Ring body 9 is provided with screw 19, and slide key 11 is provided with fixing hole 20, is provided with the screw 21 be screwed onto in screw 19 in fixing hole 20, and slide key 11 is fixed on ring body 9 by screw 21, and assembling is simple.
Axially extending bore 26 is provided with in the body of rod 3.The setting of this axially extending bore 26, on the one hand the weight of the body of rod 3 is alleviated, on the other hand when multiple body of rod 3 is spirally connected into a stock, long object can be placed in stock, as long chi, rimmer knife, chisel, the straight small tool such as pick, fish hook fishing line, then there is the bend resistance intensity that can strengthen stock exactly.
Be provided with interior circular hole 13 inside internal thread 5, external screw thread 4 outer end is provided with outside cylinder 14, and interior circular hole 13 can closely be socketed with outside cylinder 14.After two connecting rods are screwed together, the interior circular hole 13 of a connecting rod can be nested together with the outside cylinder 14 of another connecting rod.When the body of rod is subject to stubborn power, this stubborn power is then applied to interior circular hole 13 with in outside cylinder 14, and this structure is very large stubborn power of can bearing, avoid the defect existed in prior art, namely stubborn power is applied between internal thread 5 and external screw thread 4 and causes screw thread deform and damage.
Be provided with outer circle hole 15 outside internal thread 5, external screw thread 4 the inner is provided with interior cylinder 16, and outer circle hole 15 and interior cylinder 16 can closely be socketed.After two connecting rods are screwed together, the outer circle hole 15 of a connecting rod can be nested together with cylinder 16 in another connecting rod.When the body of rod is subject to stubborn power, this stubborn power is then applied to outer circle hole 15 with on interior cylinder 16, and this structure is very large stubborn power of can bearing, avoid the defect existed in prior art, namely stubborn power is applied directly between internal thread 5 and external screw thread 4 and causes screw thread deform and damage.Outer circle hole 15 diameter is greater than internal thread 5 diameter, and internal thread 5 diameter is greater than interior circular hole 13 diameter.
Due to circular hole, cylinder socket join structure that screw thread two ends all have, add between right section of 18 ring end faces 22 of upper connecting rod and the ring bottom surface 23 of left section 17 mutual against, the stock screwed is made to be in good linear state, when pushing up, cutting a hole object, axial force can be made to be applied to ring end face 22 with on ring bottom surface 23, avoid external screw thread 4, axial force that internal thread 5 bears high strength, therefore connecting rod has good mechanical strength vertically.When prizing object, radial stubborn masterpiece is used in ring end face 22 and ring bottom surface 23, interior circular hole 13 and outside cylinder 14, between outer circle hole 15 and interior cylinder 16, also has very strong rigidity, not easily bend.And screw thread only bears is the fastening force be fixed together by two connecting rods, the active force of the high strength such as external top power, stubborn power can not be born.
Spring 8 is placed in bottom interior circular hole 13, and ring body 9 is placed in spring 8 outer end in interior circular hole 13.Like this, spring 8 one aspect can be placed in the body of rod 3 and not expose, and activity smoothly, can not be stopped by foreign object, connecting rod outer surface can be kept again complete, smooth, be convenient to hold.Spring 8 one end can be against bottom interior circular hole 13 on the other hand, and the other end can be against the bottom of ring body 9, makes movable latch 7 keep outwards upspringing.
External screw thread 4 in the present embodiment, internal thread 5, annulus latch 6, movable latch 7, spring 8, ring body 9, slotted eye 10, slide key 11, axial hole 12, interior circular hole 13, interior circular hole 13, outside cylinder 14, outer circle hole 15, identical all with the first connecting rod of interior cylinder 16, therefore left section 17 of the body of rod 3 can be spirally connected with the aforesaid right-hand member body of rod 2, right section 18 of the body of rod 3 can be spirally connected with the aforesaid left end body of rod 1, connecting rod can be made equally to be lengthened, and docking of axial hole 12 and axially extending bore 26 forms a long passage, also the passage length in the body of rod is made to be lengthened, the long chi more lengthened can be held, the small tools such as rimmer knife.When axial hole 12 is blind hole, the left end body of rod 1, the right-hand member body of rod 2 then can become the end cap at the body of rod 3 two ends respectively, are both increased by the body of rod, again by the passage two ends in the body of rod to having blocked, can prevent the instrument be placed in passage from dropping out.
Because the body of rod 3 in the second connecting rod can multiplely be spirally connected mutually, form connecting rod, can mutually be spirally connected with the left end body of rod 1 in the first connecting rod, the right-hand member body of rod 2 respectively again, form connecting rod.Therefore, the body of rod of two kinds of connecting rods both can be assembled into connecting rod alone, mutually can combine again and be assembled into connecting rod, be combined into the connecting rod of plurality of specifications.As long as the length of each body of rod is different, according to the difference of combination, forming connecting rod length can have multiple, and person greatly easy to use is easy to carry, and loading, unloading are simple, quick.
As shown in Fig. 7 ~ 8, below the specific embodiment of the present invention's first and second kind of digging tool is described in further detail:
The first digging tool of the present invention, comprises mining head 27, and mining head 27 root is fixed on the second end of the left end body of rod 1 of connecting rod described above.This mining head 27 is a pick, as shown in Figure 7, can be used for cutting the earth.The left end body of rod 1 is bolted with as upper connecting rod, forms pick handle.
The second digging tool of the present invention, comprises mining head 27, and mining head 27 root is fixed on the second end of the right-hand member body of rod 2 of connecting rod described above.This mining head 27 is a shovel head, as shown in Figure 8, can be used for shovel soil.The left end body of rod 1 is connected with as upper connecting rod, forms shovel head handle.Two kinds of digging tools can be screwed together by the left end body of rod 1, the right-hand member body of rod 2, and forming one is scoop, and other end is hoe, not only can cut the earth but also can shovel soil, are convenient to shovel, dig operation.
Mining head 27 of the present invention is not limited to above-mentioned shovel head, pick, can also be chisel, hoe, chopper, reaping hook etc., can integrate multi-functional, and the multi-purpose tool that handle can be combined as required.
Claims (18)
1. a connecting rod, includes the left end body of rod (1), the described left end body of rod (1)
theone end is provided with external screw thread (4), the right-hand member body of rod (2), the described right-hand member body of rod (2)
theone end is provided with internal thread (5), and described external screw thread (4) can be spirally connected with internal thread (5), it is characterized in that the described left end body of rod (1)
theone end is provided with annulus latch (6), the described right-hand member body of rod (2)
theone end is provided with the movable latch (7) of axially-movable, described annulus latch (6) and movable latch (7) are in when axially docking can clamped position, described movable latch (7) is provided with spring (8), and described spring (8) suppresses to be gone up at movable latch (7) and to make movable latch (7) keep outwards upspringing state.
2. connecting rod according to claim 1, is characterized in that described movable latch (7) is arranged on the end face of ring body (9), and described ring body (9) is placed in the cavity bottom of internal thread (5), and described spring (8) suppresses on ring body (9).
3. connecting rod according to claim 2, is characterized in that the described right-hand member body of rod (2) is provided with the slotted eye (10) passing to ring body (9).
4. connecting rod according to claim 3, is characterized in that described ring body (9) is provided with pass-out to slotted eye (10) slide key outward (11).
5. the connecting rod according to claim 1,2,3 or 4, is characterized in that being respectively equipped with the axial hole (12) that can dock in the described left end body of rod (1) and the right-hand member body of rod (2).
6. the connecting rod according to claim 1,2,3 or 4, it is characterized in that described external screw thread (4) outer end is provided with outside cylinder (14), described internal thread (5) inner side is provided with interior circular hole (13), and described interior circular hole (13) and outside cylinder (14) can closely be socketed.
7. the connecting rod according to claim 1,2,3 or 4, it is characterized in that described external screw thread (4) the inner is provided with interior cylinder (16), described internal thread (5) outside is provided with outer circle hole (15), and described outer circle hole (15) and interior cylinder (16) can closely be socketed.
8. connecting rod according to claim 6, it is characterized in that described spring (8) is placed in interior circular hole (13) bottom, described ring body (9) is placed in spring (8) outer end in interior circular hole (13).
9.
a kind of connecting rod, includes the body of rod (3),the described body of rod (3) is divided into left section (17) and right section (18), described left section (17) are provided with external screw thread (4), described right section (18) are provided with internal thread (5), described internal thread (5) can be spirally connected with external screw thread (4), described left section (17) are provided with annulus latch (6), described right section (18) are provided with can the movable latch (7) of axially-movable, described annulus latch (6) and movable latch (7) are in when axially docking can clamped position, described movable latch (7) is provided with spring (8), described spring (8) suppresses to be gone up at movable latch (7) and to make movable latch (7) keep outwards upspringing state.
10. connecting rod according to claim 9, it is characterized in that described annulus latch (6) is arranged on the end face of left section (17), described movable latch (7) is arranged on the end face of ring body (9), and described ring body (9) is placed in the cavity bottom of internal thread (5).
11. connecting rods according to claim 10, is characterized in that described right section (18) are provided with the slotted eye (10) passing to ring body (9).
12. connecting rods according to claim 11, is characterized in that described ring body (9) is provided with pass-out to slotted eye (10) slide key outward (11).
13. connecting rods according to claim 9,10,11 or 12, is characterized in that being provided with axially extending bore (26) in the described body of rod (3).
14. connecting rods according to claim 9,10,11 or 12, it is characterized in that described internal thread (5) inner side is provided with interior circular hole (13), described external screw thread (4) outer end is provided with outside cylinder (14), and described interior circular hole (13) and outside cylinder (14) can closely be socketed.
15. connecting rods according to claim 9,10,11 or 12, it is characterized in that described internal thread (5) outside is provided with outer circle hole (15), described external screw thread (4) the inner is provided with interior cylinder (16), and described outer circle hole (15) and interior cylinder (16) can closely be socketed.
16. connecting rods according to claim 14, it is characterized in that described spring (8) is placed in interior circular hole (13) bottom, described ring body (9) is placed in spring (8) outer end in interior circular hole (13).
17. 1 kinds of digging tools, include mining head (27), it is characterized in that described mining head (27) root is fixed on the left end body of rod (1) of any one connecting rod as described in the claims 1 ~ 8
second end.
18. 1 kinds of digging tools, include mining head (27), it is characterized in that described mining head (27) root is fixed on the right-hand member body of rod (2) of any one connecting rod as described in the claims 1 ~ 8
second end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420691793.1U CN204868784U (en) | 2014-11-15 | 2014-11-15 | Connecting rod and digging tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420691793.1U CN204868784U (en) | 2014-11-15 | 2014-11-15 | Connecting rod and digging tool |
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| Publication Number | Publication Date |
|---|---|
| CN204868784U true CN204868784U (en) | 2015-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420691793.1U Active CN204868784U (en) | 2014-11-15 | 2014-11-15 | Connecting rod and digging tool |
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| CN (1) | CN204868784U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105583789A (en) * | 2014-11-15 | 2016-05-18 | 彭辉 | Connecting rod and excavating tool |
| CN108059059A (en) * | 2017-11-28 | 2018-05-22 | 杨富云 | Screw elevator and its brake control method |
-
2014
- 2014-11-15 CN CN201420691793.1U patent/CN204868784U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105583789A (en) * | 2014-11-15 | 2016-05-18 | 彭辉 | Connecting rod and excavating tool |
| CN108059059A (en) * | 2017-11-28 | 2018-05-22 | 杨富云 | Screw elevator and its brake control method |
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