CN213628468U - Adjustable connecting rod - Google Patents
Adjustable connecting rod Download PDFInfo
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- CN213628468U CN213628468U CN202022448796.0U CN202022448796U CN213628468U CN 213628468 U CN213628468 U CN 213628468U CN 202022448796 U CN202022448796 U CN 202022448796U CN 213628468 U CN213628468 U CN 213628468U
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- connecting rod
- threaded
- sleeve
- adjustable
- transition head
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Abstract
The utility model discloses an adjustable connecting rod, which comprises a connecting sleeve, a connecting rod, a transition head and a connecting rod joint; two end surfaces of the connecting sleeve are axially provided with first threaded holes; the connecting rod is a quadrangular prism or a hexagonal prism, two ends of the connecting rod are respectively provided with a threaded column, and one threaded column is in threaded connection with the connecting sleeve through a first threaded hole; the transition head is provided with a second threaded hole, and the transition head is in threaded connection with a threaded column of the connecting rod, which is far away from the connecting sleeve, through the second threaded hole; the connecting rod joint is provided with a mounting hole and is hinged with the transition head. Through the degree of depth in screw post screw in adapter sleeve and the transition head, adjust holistic length, through the threaded connection between transition head and the connecting rod to and the articulated between transition head and the connecting rod joint, adjust the space contained angle that adapts to the connecting piece at this adjustable connecting rod's both ends, above-mentioned adjustable connecting rod conveniently adjusts the space contained angle of whole length and the connecting piece that adapts to both ends, and adaptability is strong, makes the installation of connecting rod convenient easily.
Description
Technical Field
The utility model relates to a jointing equipment technical field, concretely relates to adjustable connecting rod.
Background
In all kinds of equipment, four-bar linkage mechanism application is very extensive, four-bar linkage mechanism includes crank rocker mechanism, slider-crank mechanism, two rocker mechanism, double crank mechanism and two slider mechanism etc. because in actual engineering, each part of four-bar linkage mechanism is because machining error and installation error, can't accomplish strict parallel or strict perpendicular etc. very probably, the space contained angle all appears in the connecting piece at any connecting rod both ends, the connection distance also can appear changing, current connecting rod does not generally possess regulatory function, lead to connecting rod installation difficulty even install not go up, need to process again.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model provides an adjustable connecting rod to solve current connecting rod and generally not possess regulatory function, lead to connecting rod installation difficulty not to install even, need carry out the problem of processing again.
In order to solve the technical problem, the utility model discloses a technical scheme is:
an adjustable linkage, comprising:
the two end surfaces of the connecting sleeve are provided with first threaded holes along the axial direction;
the connecting rod is a quadrangular prism or a hexagonal prism, two ends of the connecting rod are respectively provided with a threaded column, and one threaded column is in threaded connection with the connecting sleeve through the first threaded hole;
the transition head is provided with a second threaded hole and is in threaded connection with the threaded column, far away from the connecting sleeve, of the connecting rod through the second threaded hole; and
the connecting rod joint is provided with a mounting hole and is hinged with the transition head.
The threaded columns at the two ends of the connecting rod are screwed into the connecting sleeve and the transition head to adjust the overall length, and the space included angle of the connecting pieces at the two ends of the adjustable connecting rod is adjusted through threaded connection between the transition head and the connecting rod and hinging between the transition head and the connecting rod joint. Above-mentioned adjustable connecting rod can conveniently adjust the space contained angle of the connecting piece at whole length and adaptation both ends, and adaptability is strong for the easy convenience of installation of connecting rod.
Further, the connecting sleeve is a quadrangular prism or a hexagonal prism. When the connecting rod is rotated, the connecting sleeve can be clamped by a wrench so as to prevent the connecting sleeve from rotating freely.
Further, the thread directions of the thread columns at the two ends of the connecting rod are opposite. When the length of the whole body needs to be adjusted, the connecting rod only needs to be rotated, so that the connecting sleeve and the transition head do not rotate, and the length can be quickly adjusted.
Furthermore, the adjustable connecting rod further comprises a locking nut, and the locking nut is sleeved on the threaded column of the connecting rod in a threaded manner. After the connecting rod is rotationally adjusted, the connecting rod is locked at one end of the connecting sleeve and one end of the transition head by using the locking nut, so that looseness is prevented.
Furthermore, the connecting rod joint comprises a connecting seat, a connecting cover and a connecting screw, the connecting cover is arranged on the connecting seat, the connecting seat and the connecting cover are fixedly connected through the connecting screw, the connecting seat is hinged to the transition head, arc-shaped holes are formed in the connecting seat and the connecting cover, and the mounting holes are formed by the arc-shaped holes in the connecting seat and the connecting cover in a surrounding mode. And a split type connecting rod joint is adopted, so that the adjustable connecting rod is easier to install on the connecting pieces at the two ends.
Furthermore, the connecting cover and the butt end face at the joint of the connecting seat cover are provided with steps matched with each other in a clamping manner. The step is arranged to facilitate the alignment and clamping of the connecting cover and the connecting seat.
Furthermore, the adjustable connecting rod further comprises a shaft sleeve, the connecting seat and the connecting cover are provided with clamping grooves along the circumferential direction of the mounting hole, and the shaft sleeve is fixedly arranged in the mounting hole through the clamping grooves. The split type connecting rod joint enables the shaft sleeve to be easily clamped in the mounting hole, the connecting rod joint is hinged with the connecting piece through the shaft sleeve, the friction resistance is small, and the friction and the abrasion of the connecting rod joint are reduced.
Adopt above-mentioned technical scheme, compare with prior art, the beneficial effects of the utility model are that:
1. the threaded columns at the two ends of the connecting rod are screwed into the connecting sleeves and the depth in the transition heads to adjust the overall length, the transition heads and the connecting rod are connected through threads, and the transition heads and the connecting rod are hinged to each other to adjust the space included angle of the connecting piece at the two ends of the adjustable connecting rod, so that the adjustable connecting rod is strong in adaptability, convenient to adjust, easy to install, time-saving and labor-saving.
2. The screw thread turning directions of the screw thread columns at the two ends of the connecting rod are opposite, so that the overall length can be quickly adjusted.
3. And a split type connecting rod joint is adopted, so that the adjustable connecting rod is easier to install on the connecting pieces at the two ends.
4. Simple structure, the mechanism is nimble, and the suitability is strong.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings used in the embodiments will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.
Fig. 1 is a front view of the present invention;
FIG. 2 is a view taken along the line A in FIG. 1;
FIG. 3 is a schematic structural view of the connecting rod of the present invention;
fig. 4 is an exploded view of the connecting rod joint of the present invention;
fig. 5 is a sectional view taken along line B-B in fig. 2.
Reference numerals:
1-connecting sleeve;
2-connecting rod, 21-threaded column;
3-a transition head;
4-connecting rod joint, 4 a-mounting hole, 41-connecting seat, 42-connecting cover and 43-connecting screw;
5-locking the nut;
6-shaft sleeve.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
Referring to fig. 1, the adjustable connecting rod provided in this embodiment includes a connecting sleeve 1, a connecting rod 2, a transition head 3, and a connecting rod joint 4.
First threaded holes are axially formed in two end faces of the connecting sleeve 1. As a further optimized scheme, the connecting sleeve 1 is a quadrangular prism or a hexagonal prism. The connecting sleeve 1 is a quadrangular prism or a hexagonal prism, and the connecting sleeve 1 can be conveniently clamped by a wrench and cannot rotate freely.
Referring to fig. 3, the connecting rod 2 is a quadrangular prism or a hexagonal prism, and two ends of the connecting rod 2 are respectively provided with a threaded post 21, wherein one threaded post 21 is in threaded connection with the connecting sleeve 1 through a first threaded hole. The length of the threaded column 21 in the connecting sleeve 1 is adjusted to adjust the overall length. As a further optimization, the thread directions of the threaded columns 21 at the two ends of the connecting rod 2 are opposite. When the length of the whole body needs to be adjusted, the connecting rod 2 only needs to be rotated, so that the connecting sleeve 1 and the transition head 3 do not rotate, and the length can be quickly adjusted.
Referring to fig. 2, a second threaded hole is formed in the transition head 3, and the transition head 3 is in threaded connection with a threaded column 21 of the connecting rod 2 far from the connecting sleeve 1 through the second threaded hole.
The adjustable connecting rod further comprises a locking nut 5, and the locking nut 5 is sleeved on the threaded column 21 of the connecting rod 2 in a threaded manner. After the connecting rod 2 is rotationally adjusted, the connecting rod is locked at one end of the connecting sleeve 1 and one end of the transition head 3 by the locking nut 5, so that the transition head 3 and the connecting sleeve 1 are prevented from loosening.
Referring to fig. 4, a mounting hole 4a is formed on the connecting rod joint 4, and the connecting rod joint 4 is hinged to the transition head 3. Specifically, a Y-shaped fork opening is arranged on the transition head 3, and one end of the joint of the connecting rod 2 is inserted into the Y-shaped fork opening and hinged through a hinge shaft.
As a further optimization scheme, the connecting rod joint 4 is designed to be split, and includes a connecting seat 41, a connecting cover 42 and a connecting screw 43, the connecting cover 42 is covered on the connecting seat 41, the connecting seat 41 and the connecting cover 42 are fixedly connected through the connecting screw 43, the connecting seat 41 is hinged to the transition head 3, arc-shaped holes are formed in the connecting seat 41 and the connecting cover 42, and the mounting holes 4a are formed by enclosing the arc-shaped holes in the connecting seat 41 and the connecting cover 42. And a split type connecting rod joint 4 is adopted, so that the adjustable connecting rod can be more easily installed on the connecting pieces at the two ends. Specifically, an unthreaded hole is formed in the side wall of the connecting base 41, a screw hole is formed in the side wall of the connecting cover 42, and the connecting screw 43 is inserted into the unthreaded hole and screwed in the screw hole. Of course, steps which are mutually matched in a clamping manner can be arranged on the abutting end faces of the joint cover 42 and the joint seat 41. A step is provided to facilitate alignment and snap-fitting of the coupling cover 42 with the coupling holder 41. In this embodiment, a chamfer is provided at a corner of the step for guiding the connection cover 42 when aligned and engaged with the connection holder 41.
Referring to fig. 5, of course, the adjustable connecting rod may further include a shaft sleeve 6, the connecting seat 41 and the connecting cover 42 are provided with a slot along the circumference of the mounting hole 4a, and the shaft sleeve 6 is fixedly disposed in the mounting hole 4a through the slot. Split type connecting rod connects 4 and makes the easy joint of axle sleeve 6 in mounting hole 4a, and it is articulated through axle sleeve 6 between connecting rod connects 4 and the connecting piece, and frictional resistance is little, and has reduced the friction and the wearing and tearing of connecting rod joint 4.
Referring to fig. 1-5, the assembling and disassembling process of the adjustable connecting rod includes:
the installation process comprises the following steps: the connecting rod joint 4 at one end is installed well, then the locking nut 5 at the end of the connecting rod 2 is loosened, the length of the whole connecting rod 2 and the angle of the connecting rod joint 2 at the other end are adjusted by rotating the connecting rods 2 at the two ends of the connecting sleeve 1, and after the adjusting is well carried out, the locking nut 5 is screwed down.
The disassembling process comprises the following steps: when the adjustable connecting rod needs to be disassembled, the locking nut 5 at the end of the connecting rod 2 is firstly loosened, the adjustable connecting rod is directly taken down, when the adjustable connecting rod is not easy to take down, the connecting rod 2 can be screwed out from the connecting sleeve 1 to further disassemble the adjustable connecting rod, the connecting rod joint 4 and the hinged part of the transition head 3 can also be disassembled from the connecting rod joint, and the connecting cover 42 of the connecting joint can also be disassembled from the connecting seat 41 to further disassemble the adjustable connecting rod.
The adjustable connecting rod is screwed into the connecting sleeve 1 and the transition head 3 through the threaded columns 21 at the two ends of the connecting rod 2 to adjust the whole length, and the space included angle of the connecting pieces at the two ends of the adjustable connecting rod is adjusted through the threaded connection between the transition head 3 and the connecting rod 2 and the hinging between the transition head 3 and the connecting rod joint 4, so that the adjustable connecting rod is strong in adaptability, convenient to adjust, easy to install, time-saving and labor-saving; the thread turning directions of the thread columns 21 at the two ends of the connecting rod 2 are opposite, so that the overall length can be quickly adjusted; the split type connecting rod joint 4 is adopted, so that the adjustable connecting rod is easier to install on the connecting pieces at the two ends; simple structure, the mechanism is nimble, and the suitability is strong.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (7)
1. An adjustable linkage, comprising:
the two end surfaces of the connecting sleeve are provided with first threaded holes along the axial direction;
the connecting rod is a quadrangular prism or a hexagonal prism, two ends of the connecting rod are respectively provided with a threaded column, and one threaded column is in threaded connection with the connecting sleeve through the first threaded hole;
the transition head is provided with a second threaded hole and is in threaded connection with the threaded column, far away from the connecting sleeve, of the connecting rod through the second threaded hole; and
the connecting rod joint is provided with a mounting hole and is hinged with the transition head.
2. The adjustable linkage of claim 1, wherein the connection sleeve is a quadrangular prism or a hexagonal prism.
3. The adjustable linkage as recited in claim 1, wherein the threaded posts at each end of the connecting rod are oppositely threaded.
4. The adjustable linkage of claim 1 further comprising a lock nut threadably received on the threaded post of the connecting rod.
5. The adjustable connecting rod of claim 1, wherein the connecting rod joint comprises a connecting seat, a connecting cover and a connecting screw, the connecting cover is covered on the connecting seat, the connecting seat and the connecting cover are fixedly connected through the connecting screw, the connecting seat is hinged to the transition head, arc-shaped holes are formed in the connecting seat and the connecting cover, and the mounting holes are surrounded by the arc-shaped holes in the connecting seat and the connecting cover.
6. The adjustable connecting rod of claim 5, wherein the abutting end faces of the joint of the connecting cover and the connecting seat cover are provided with mutually clamping-matched steps.
7. The adjustable connecting rod according to claim 5, further comprising a shaft sleeve, wherein the connecting seat and the connecting cover are provided with a clamping groove along the circumferential direction of the mounting hole, and the shaft sleeve is fixedly arranged in the mounting hole through the clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022448796.0U CN213628468U (en) | 2020-10-29 | 2020-10-29 | Adjustable connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022448796.0U CN213628468U (en) | 2020-10-29 | 2020-10-29 | Adjustable connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213628468U true CN213628468U (en) | 2021-07-06 |
Family
ID=76626231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022448796.0U Active CN213628468U (en) | 2020-10-29 | 2020-10-29 | Adjustable connecting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213628468U (en) |
-
2020
- 2020-10-29 CN CN202022448796.0U patent/CN213628468U/en active Active
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