CN106044641B - A kind of tray truck adjustable drawbar component - Google Patents
A kind of tray truck adjustable drawbar component Download PDFInfo
- Publication number
- CN106044641B CN106044641B CN201610394137.9A CN201610394137A CN106044641B CN 106044641 B CN106044641 B CN 106044641B CN 201610394137 A CN201610394137 A CN 201610394137A CN 106044641 B CN106044641 B CN 106044641B
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- CN
- China
- Prior art keywords
- hole
- threaded hole
- connecting hole
- fluting
- pull rod
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
Abstract
The invention discloses a kind of tray truck adjustable drawbar components, including pull rod, pitman coupling and adjusting screw rod, one end of the pull rod offers the first threaded hole, one end of the pitman coupling offers the second threaded hole, the connected hex nut in the centre of the adjusting screw rod, both ends are respectively equipped with the first external screw thread and the second external screw thread, one end of the pull rod offers several first connecting holes, first connecting hole and the first screw assembly are connected, the first fluting of one to the first connecting hole is opened up on the one end side of the pull rod, one end of the pitman coupling offers several second connecting holes, second connecting hole and the second screw assembly are connected, the second fluting of one to the second connecting hole is opened up on the one end side of the pitman coupling.A kind of tray truck adjustable drawbar component of the present invention, reasonable for structure, entire length is adjustable, has the function that fastening is locking by tightening two groups of screw assemblies, is not easy to loosen.
Description
【Technical field】
The present invention relates to the technical field of electric pallet truck component, more particularly to a kind of adjustable drawing of tray truck
Bar assembly.
【Background technology】
Electric pallet truck is also known as electric pallet truck or electrocar, and the object of work is Palletized cargo, is fitted
For channel to be narrow and the limited place operation in space, be load and unload in the place such as warehouse, supermarket, harbour, workshop in, transportation tray
The ideal tools of cargo are especially suitable for the light industries such as food, weaving, printing and use, more since its operation is efficient, environmentally friendly, nothing
Noise, without discharge the advantages that, be greatly improved cargo handling efficiency, reduce labor intensity, it is deep to be liked by users.
Rod assembly, also known as push-rod assembly, are the structures generally used on tray truck, on the pallet of various specifications
There are two the holes for loading and unloading, carrying, and two pallet forks of vehicle easy to carry are inserted into, and pallet fork is set on rod assembly, at present
Rod assembly there are the nonadjustable function of length, there is inconvenience when causing to use, applicability reduces, and telescopic pull rod group
That there are bonding strengths is low for part, is easily loosened after long-time use, and it is relatively low to fasten locking performance, in order to realize that rod assembly is long
The reliability of connection is improved while spending adjustable, it is necessary to propose a kind of tray truck adjustable drawbar component.
【Invention content】
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, a kind of tray truck adjustable drawbar group is provided
Part aims to solve the problem that electric pallet truck rod assembly length is non-adjustable in the prior art, the low technical problem of bonding strength.
To achieve the above object, the present invention proposes a kind of tray truck adjustable drawbar component, including pull rod, pull rod connect
One end of connector and adjusting screw rod, the pull rod offers the first threaded hole, and one end of the pitman coupling offers second
Threaded hole, the connected hex nut in centre of the adjusting screw rod, both ends are respectively equipped with the first external screw thread and the second external screw thread,
First external screw thread is connect with the first threaded hole screw-thread fit, and the second external screw thread is connect with the second threaded hole screw-thread fit,
Realize that pull rod and pitman coupling are linked together, one end of the pull rod offers several first connecting holes, and described first connects
It connects hole to be connected with the first screw assembly, the first fluting of one to the first connecting hole is opened up on the one end side of the pull rod,
One end of the pitman coupling offers several second connecting holes, and second connecting hole and the cooperation of the second screw assembly connect
It connects, the second fluting of one to the second connecting hole is opened up on the one end side of the pitman coupling.
Preferably, first external screw thread and second externally threaded oppositely oriented, first threaded hole it is interior
Screw thread is identical as the first externally threaded rotation direction, and the internal thread of second threaded hole is identical as the second externally threaded rotation direction.
Preferably, first threaded hole, the first connecting hole and the first fluting are respectively positioned on the same end of pull rod, it is described
The first connecting hole center line and the first threaded hole central axis it is non-intersecting, first connecting hole is in the first fluting
It is threaded bore portions below, is hole section more than the first fluting.
Preferably, the quantity of first connecting hole is 2, it is respectively positioned on the homonymy of the first threaded hole, and along the
The axial distribution of one threaded hole.
Preferably, second threaded hole, the second connecting hole and the second fluting are respectively positioned on the same of pitman coupling
End, the central axis of the center line and the second threaded hole of second connecting hole is non-intersecting, and second connecting hole exists
Following second fluting is threaded bore portions, is hole section more than the second fluting.
Preferably, the quantity of second connecting hole is 2, it is respectively positioned on the homonymy of the second threaded hole, and along the
The axial distribution of two threaded holes.
Preferably, first screw assembly and the second screw assembly are by hexagonal spiral shell in spring washer and socket cap
Nail composition.
Beneficial effects of the present invention：Compared with prior art, a kind of tray truck adjustable drawbar group provided by the invention
Part, it is reasonable for structure, using double end adjusting screw rod connecting rod and pitman coupling, and realize that the entire length of rod assembly can
It adjusts, improves the automobile-used nonadjustable present situation of rod assembly length of current pallet carrying, enhance the applicability of rod assembly, and draw
Bar, pitman coupling are both provided with fluting in the connecting pin with adjusting screw rod, pass through the first screw assembly and the second screw assembly
During tightening, the aperture of fluting is made to reduce and make deformed threads, the screw thread of deformation, which can reach, fastens locking purpose, even
It connects reliably, is not easy to loosen.
The feature and advantage of the present invention will be described in detail by embodiment combination attached drawing.
【Description of the drawings】
Fig. 1 is a kind of structural schematic diagram of tray truck adjustable drawbar component of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the pull rod of the embodiment of the present invention；
Fig. 3 is the vertical view of the pull rod of the embodiment of the present invention；
Fig. 4 be in Fig. 3 A to sectional view.
In figure：1- pull rods, the first threaded holes of 11-, the first connecting holes of 12-, the flutings of 13- first, 2- pitman couplings, 21-
Second threaded hole, the second connecting holes of 22-, the flutings of 23- second, 3- adjusting screw rods, 30- hex nuts, the first external screw threads of 31-, 32-
Second external screw thread, the first screw assemblies of 4-.
【Specific implementation mode】
In order to make the objectives, technical solutions and advantages of the present invention clearer, right below by attached drawing and embodiment
The present invention is further elaborated.However, it should be understood that specific embodiment described herein is only used to explain this hair
Range that is bright, being not intended to restrict the invention.In addition, in the following description, descriptions of well-known structures and technologies are omitted, with
Avoid unnecessarily obscuring idea of the invention.
Refering to fig. 1 to Fig. 4, the embodiment of the present invention provides a kind of tray truck adjustable drawbar component, including pull rod 1, drawing
One end of bar connector 2 and adjusting screw rod 3, the pull rod 1 offers the first threaded hole 11, one end of the pitman coupling 2
The second threaded hole 21 is offered, the connected hex nut 30 in centre of the adjusting screw rod 3, both ends are respectively equipped with the first outer spiral shell
Line 31 and the second external screw thread 32, first external screw thread 31 are connect with 11 screw-thread fit of the first threaded hole, the second external screw thread 32
It is connect with 21 screw-thread fit of the second threaded hole, realizes that pull rod 1 and pitman coupling 2 are linked together, one end of the pull rod 1 opens up
There are several first connecting holes 12, first connecting hole 12 and the first screw assembly 4 to be connected, one end of the pull rod 1
The first fluting 13 of one to the first connecting hole 12 is opened up on side, one end of the pitman coupling 2 offers several second and connects
Hole 22 is connect, second connecting hole 22 and the second screw assembly 5 are connected, on the one end side of the pitman coupling 2
Open up the second fluting 23 of one to the second connecting hole 22.
Wherein, first external screw thread 31 and the second external screw thread 32 is oppositely oriented, first threaded hole 11
Internal thread is identical as the rotation direction of the first external screw thread 31, the rotation direction of the internal thread and the second external screw thread 32 of second threaded hole 21
It is identical.By hexagonal open-end wrench fitting hex nut 30 and rotate, make pull rod 1 and pitman coupling 2 closer or far from, to
Realize that rod assembly entire length is adjustable.
Further, first threaded hole 11, the first connecting hole 12 and first fluting 13 are respectively positioned on the same of pull rod 1
End, the central axis of the center line and the first threaded hole 11 of first connecting hole 12 is non-intersecting, the described first connection
Hole 12 is threaded bore portions in the first 13 or less fluting, is hole section, second threaded hole in the first 13 or more fluting
21, the second connecting hole 22 and second fluting 23 is respectively positioned on the same end of pitman coupling 2, the center of second connecting hole 22
The central axis of line and the second threaded hole 21 is non-intersecting, and second connecting hole 22 is threaded hole in the second 23 or less fluting
Part is hole section in the second 23 or more fluting.
In embodiments of the present invention, the quantity of the first connecting hole 12 is 2, is respectively positioned on the homonymy of the first threaded hole 11, and
Along the axial direction distribution of the first threaded hole 11, the quantity of the second connecting hole 22 is 2, is respectively positioned on the homonymy of the second threaded hole 21,
And it is distributed along the axial direction of the second threaded hole 21.When stubborn adjusting screw rod 3 adjusts rod assembly to suitable entire length, respectively
First screw assembly 4 and the second screw assembly 5 are tightened with the first connecting hole 12, the second connecting hole 22, reach what fastening was loosened
Effect, and due to the effect of first the 13, second fluting 23 of fluting, when the first screw assembly 4 and the second screw assembly 5 are being tightened
In the process, the aperture of the first fluting 13 and the second fluting 23 can taper into, and deformed threads, the screw thread of deformation can reach locking
Purpose.
Further, first screw assembly 4 and the second screw assembly 5 are by spring washer and socket cap six
Angle screw composition.
A kind of tray truck adjustable drawbar component of the present invention, is connect using 3 connecting rod 1 of double end adjusting screw rod with pull rod
First 2, and realize that the entire length of rod assembly is adjustable, it is nonadjustable existing to improve the automobile-used rod assembly length of current pallet carrying
Shape enhances the applicability of rod assembly, and pull rod 1, pitman coupling 2 are both provided with out in the connecting pin with adjusting screw rod 3
Slot during tightening by the first screw assembly 4 and the second screw assembly 5 makes the aperture of fluting reduce and screw thread is made to become
Shape, the screw thread of deformation, which can reach, fastens locking purpose, and connection is reliable, is not easy to loosen.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modification, equivalent replacement or improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (4)
1. a kind of tray truck adjustable drawbar component, including pull rod (1), pitman coupling (2) and adjusting screw rod (3), special
Sign is：One end of the pull rod (1) offers the first threaded hole (11), and one end of the pitman coupling (2) offers
Two threaded holes (21), the connected hex nut (30) in centre of the adjusting screw rod (3), both ends are respectively equipped with the first external screw thread
(31) and the second external screw thread (32), first external screw thread (31) is connect with the first threaded hole (11) screw-thread fit, outside second
Screw thread (32) is connect with the second threaded hole (21) screw-thread fit, realizes that pull rod (1) and pitman coupling (2) are linked together, described
One end of pull rod (1) offers several first connecting holes (12), and first connecting hole (12) is matched with the first screw assembly (4)
Connection is closed, the first fluting (13) of one to the first connecting hole (12) is opened up on the one end side of the pull rod (1), the pull rod connects
One end of connector (2) offers several second connecting holes (22), and second connecting hole (22) is matched with the second screw assembly (5)
Connection is closed, the second fluting (23) of one to the second connecting hole (22) is opened up on the one end side of the pitman coupling (2)；It is described
The first external screw thread (31) and the second external screw thread (32) oppositely oriented, the internal thread and first of first threaded hole (11)
The rotation direction of external screw thread (31) is identical, and the internal thread of second threaded hole (21) is identical as the rotation direction of the second external screw thread (32)；
First threaded hole (11), the first connecting hole (12) and first fluting (13) is respectively positioned on the same end of pull rod (1), described
The center line of first connecting hole (12) and the central axis of the first threaded hole (11) are non-intersecting, first connecting hole (12)
It is threaded bore portions below in the first fluting (13), is hole section more than the first fluting (13)；Second threaded hole
(21), the second connecting hole (22) and the second fluting (23) are respectively positioned on the same end of pitman coupling (2), second connecting hole
(22) center line and the central axis of the second threaded hole (21) are non-intersecting, and second connecting hole (22) is in the second fluting
(23) it is below threaded bore portions, is hole section more than the second fluting (23).
2. a kind of tray truck adjustable drawbar component as described in claim 1, it is characterised in that：First connecting hole
(12) quantity is 2, is respectively positioned on the homonymy of the first threaded hole (11), and be distributed along the axial direction of the first threaded hole (11).
3. a kind of tray truck adjustable drawbar component as described in claim 1, it is characterised in that：Second connecting hole
(22) quantity is 2, is respectively positioned on the homonymy of the second threaded hole (21), and be distributed along the axial direction of the second threaded hole (21).
4. a kind of tray truck adjustable drawbar component as described in claim 1, it is characterised in that：The first screw group
Part (4) and the second screw assembly (5) are made of spring washer and socket cap screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610394137.9A CN106044641B (en) | 2016-06-03 | 2016-06-03 | A kind of tray truck adjustable drawbar component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610394137.9A CN106044641B (en) | 2016-06-03 | 2016-06-03 | A kind of tray truck adjustable drawbar component |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106044641A CN106044641A (en) | 2016-10-26 |
| CN106044641B true CN106044641B (en) | 2018-10-19 |
Family
ID=57169929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610394137.9A Active CN106044641B (en) | 2016-06-03 | 2016-06-03 | A kind of tray truck adjustable drawbar component |
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| Country | Link |
|---|---|
| CN (1) | CN106044641B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107215818A (en) * | 2017-06-13 | 2017-09-29 | 意欧斯智能科技股份有限公司 | A kind of rod assembly length adjustment structure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101776117A (en) * | 2010-03-18 | 2010-07-14 | 太原重工股份有限公司 | Anti-loosening method for connection between round nut and bolt |
| CN202038131U (en) * | 2011-04-29 | 2011-11-16 | 中集车辆（集团）有限公司 | Semitrailer and suspension device and adjustable tension rod thereof |
| CN202449811U (en) * | 2012-02-10 | 2012-09-26 | 山河智能装备股份有限公司 | Device for regulating length of push rod of pallet truck |
| CN204805288U (en) * | 2015-06-20 | 2015-11-25 | 宁波龙旋机械制造有限公司 | A fastener for wind generating set |
| CN205709712U (en) * | 2016-06-03 | 2016-11-23 | 意欧斯智能科技股份有限公司 | A kind of tray truck adjustable drawbar assembly |
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2016
- 2016-06-03 CN CN201610394137.9A patent/CN106044641B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106044641A (en) | 2016-10-26 |
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