CN112901648A - Large-angle pull rod ball head structure and machining method - Google Patents
Large-angle pull rod ball head structure and machining method Download PDFInfo
- Publication number
- CN112901648A CN112901648A CN202110230013.8A CN202110230013A CN112901648A CN 112901648 A CN112901648 A CN 112901648A CN 202110230013 A CN202110230013 A CN 202110230013A CN 112901648 A CN112901648 A CN 112901648A
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- ball head
- rod
- head
- bulb
- rotating rod
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- 238000003754 machining Methods 0.000 title description 2
- 238000000034 method Methods 0.000 title description 2
- 244000309464 bull Species 0.000 claims 10
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention discloses a large-angle pull rod ball head structure, which comprises a ball head rod, a rotating rod and a ball head shell, wherein the ball head shell consists of two hemispherical shells and fixing parts of the two hemispherical shells, a ball head cavity of the ball head rod and a rotating rod head cavity of the rotating rod are arranged in the ball head shell, a rotating rod cavity is arranged at one side of the rotating rod head cavity of the ball head shell, the rotating rod head and part of the rotating rod connected with the rotating rod head are respectively positioned in the rotating rod head cavity and the rotating rod cavity, an open slot is arranged at one side of the ball head cavity of the ball head shell, the ball head of the ball head rod is positioned in the ball head cavity, part of a rod body connected with the ball head rod is positioned in the open slot, and the open slot enables the ball head. The large-angle concentric sphere connecting structure is simple in structure and easy to assemble, the two hemispherical shells are combined to form the spherical shell, the open slot enables the spherical rod to rotate and swing back and forth, and the rotating rod at the other end rotates to form the large-angle concentric sphere connecting structure, so that large-angle connecting rod movement is realized.
Description
Technical Field
The invention relates to a pull rod ball head structure, in particular to a large-angle pull rod ball head structure.
Background
The existing pull rod ball head structure is designed to have a small swinging angle in order to prevent the ball head from falling off from a ball shell. However, in robots and novel vehicles, a tie rod ball with a large angle of motion range is required, and the requirement is contradictory to the existing tie rod ball structure, and the existing tie rod ball structure cannot meet the requirement and needs to be innovated.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a large-angle pull rod ball head structure.
In order to achieve the technical purpose, the invention adopts the technical scheme that: a large-angle pull rod ball head structure, which comprises a ball head rod, a rotating rod and a ball head shell,
the ball head shell consists of two hemispherical shells and fixing parts of the two hemispherical shells, a ball head cavity of the ball head rod and a rotating rod head cavity of the rotating rod are arranged in the ball head shell,
a rotating rod cavity is arranged at one side of the rotating rod cavity of the ball head shell, the rotating rod head and part of the rotating rod connected with the rotating rod head are respectively positioned in the rotating rod head cavity and the rotating rod cavity,
an open slot is arranged at one side of a ball head cavity of the ball head shell, a ball head of the ball head rod is positioned in the ball head cavity, a part of rod body of the ball head rod, which is connected with the ball head, is positioned in the open slot, and the open slot enables the ball head rod to rotate and swing back and forth.
Furthermore, the open slot is a ridge-shaped open slot, so that the open slot is designed to be ridge-shaped to prevent the ball head rod from being clamped with the tail end of the rotating rod in a straight line state, and the ball head rod can easily deflect at the open slot.
Furthermore, the outer wall of the ball head shell where the rotating rod cavity is located is a cone, a taper thread is arranged on the cone, and a taper nut is sleeved on the taper thread to lock and fix the two hemispherical shells.
Furthermore, the rotating rod head is spherical or ellipsoidal, the rotating rod head cavity is correspondingly made into a corresponding shape, the rotating rod is prevented from being separated, and the two hemispherical shells clamp the rotating rod head so that the rotating rod cannot move in a string mode.
Furthermore, the positioning columns and the positioning holes are symmetrically arranged on the hemispherical shells, and the taper and the threads outside the rotating rod cavity are machined after the two hemispherical shells are matched, positioned and buckled by the positioning columns and the positioning holes, so that the concentricity of the two assembled hemispherical shells can be ensured.
The beneficial technical effects of the invention are as follows: the structure is simple and easy to assemble, the two hemispherical shells form a spherical shell together, the open slot enables the ball head rod to rotate and swing back and forth, and the rotating rod at the other end rotates to form a large-angle concentric ball connecting structure and realize large-angle connecting rod movement.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the assembly structure of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
FIG. 3 is an exploded view of the structure of the present invention;
FIG. 4 is a schematic view of an open ridge structure according to the present invention.
In the figure: 1. the ball head comprises a ball head rod 2, a ball head shell 3, a taper nut 4, a rotating rod 5, a hemispherical shell 6, a fixing piece 7, an open slot 8, a positioning column 9 and a positioning hole.
Detailed Description
Example 1
The large-angle pull rod ball head structure shown in fig. 1 comprises a ball head rod 1, a rotating rod 4 and a ball head shell 2, wherein the ball head shell 2 is composed of two hemispherical shells 5 and fixing parts 6 of the two hemispherical shells 5, a ball head cavity of the ball head rod 1 and a rotating rod head cavity of the rotating rod 4 are arranged in the ball head shell 2, the rotating rod cavity is arranged on one side of the rotating rod head cavity of the ball head shell 2, the rotating rod head and a part of rotating rods connected with the rotating rod head are respectively positioned in the rotating rod head cavity and the rotating rod cavity, an open groove 7 is arranged on one side of the ball head cavity of the ball head shell 2, the ball head of the ball head rod 1 is positioned in the ball head cavity, the part of rod bodies, connected with the ball head, of the ball head rod 1 is positioned in the open groove 7, and.
The ball head structure is formed by two hemispherical shells, a ball head rod and a rotating rod, the front ends of the two hemispherical shells are combined to form a ball shell package, an opening is reserved to enable the ball head rod to swing back and forth except for rotation, and the rotating rod at the other end rotates to form a large-angle concentric ball connecting structure.
Example 2
As a preferable design of the embodiment 1, as shown in fig. 4, the opening groove 7 is a ridge-shaped opening groove, and in order to avoid the locking of the ball rod 1 and the tail end of the rotating rod 4 in a straight line state, the opening groove 7 is designed to be ridge-shaped, so that the ball rod 1 can be easily deflected at the position.
Example 3
As a preferred design of embodiment 1, as shown in fig. 2 and 3, a positioning column 8 and a positioning hole 9 are arranged on a hemispherical shell 5, the two hemispherical shells are positioned with each other through the positioning column 8 and the positioning hole 9 and are buckled into a ball head shell 2, then, a thread and a taper outside a rotating rod cavity are processed, so that concentricity of an inner cavity of the ball head shell can be ensured, the outer wall of the ball head shell where the rotating rod cavity is located is a cone, the cone is provided with a taper thread, and a taper nut 3 is sleeved on the taper thread to lock and fix the two hemispherical shells 5.
As a specific design, the rotary rod head is spherical or ellipsoidal, the rotary rod head cavity is correspondingly made into a corresponding shape, the rotary rod is prevented from being separated, and the two hemispherical shells clamp the rotary rod head to prevent the rotary rod from moving.
It can be seen from the above embodiment that the invention has simple structure and easy assembly, the two hemispherical shells are combined to form a spherical shell, the open slot enables the ball head rod to swing back and forth besides rotating, and the rotating rod at the other end rotates to form a large-angle concentric sphere connection structure, thereby realizing large-angle connecting rod movement.
The above embodiments are only used for explaining the technical solution of the present invention, and are not used for limiting the technical solution of the present invention, and all the simple modifications based on the present invention belong to the protection scope of the present invention.
Claims (5)
1. The utility model provides a wide-angle pull rod bulb structure which characterized in that: including the bulb pole, the bull stick, the bulb shell is by two hemisphere shells, and the mounting of two hemisphere shells constitutes, be provided with the bulb chamber of bulb pole and the bull stick head chamber of bull stick in the bulb shell, set up the bull stick chamber in bulb shell bull stick head chamber one side, the part bull stick that the bull stick head is connected with the bull stick head is located bull stick head chamber and bull stick chamber respectively, set up the open slot in bulb shell bulb chamber one side, the bulb of bulb pole is located the bulb intracavity, the part body of rod that the bulb pole is connected with the bulb is located the open slot, the open slot makes the bulb pole rotate and the swing back and forth.
2. The high angle tie rod ball head structure of claim 1, wherein: the opening groove is a ridge-shaped opening groove, so that the ball head rod is prevented from being clamped with the tail end of the rotating rod in a straight line state, the ridge-shaped opening groove is designed at the opening groove, and the ball head rod can be easily deflected at the ridge-shaped opening groove.
3. The high angle tie rod ball head structure of claim 1, wherein: the outer wall of the ball head shell where the rotating rod cavity is located is provided with a section of cone and a section of thread, the taper nut is provided with the thread and the cone corresponding to the outer wall of the ball head shell, and the two hemispherical shells are locked and fixed through the thread and taper fit.
4. The high angle tie rod ball head structure of claim 1, wherein: the rotary rod head is spherical or ellipsoidal, the rotary rod head cavity is correspondingly made into a corresponding shape to prevent the rotary rod from falling off, and the two hemispherical shells clamp the rotary rod head to prevent the rotary rod from moving.
5. The high angle tie rod ball head structure of claim 1, wherein: the positioning columns and the positioning holes are symmetrically arranged on the hemispherical shells, and the taper and the threads outside the rotating rod cavity are machined after the two hemispherical shells are matched, positioned and buckled by the positioning columns and the positioning holes, so that the concentricity of the two assembled hemispherical shells is ensured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110230013.8A CN112901648A (en) | 2021-03-02 | 2021-03-02 | Large-angle pull rod ball head structure and machining method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110230013.8A CN112901648A (en) | 2021-03-02 | 2021-03-02 | Large-angle pull rod ball head structure and machining method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112901648A true CN112901648A (en) | 2021-06-04 |
Family
ID=76108556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110230013.8A Pending CN112901648A (en) | 2021-03-02 | 2021-03-02 | Large-angle pull rod ball head structure and machining method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112901648A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5845885A (en) * | 1993-12-14 | 1998-12-08 | National Products, Inc. | Universally positionable mounting device |
| US6220556B1 (en) * | 1999-05-28 | 2001-04-24 | Thomas M. Sohrt | Universally adjustable mounting system for switches, or the like |
| US6478276B1 (en) * | 2001-05-22 | 2002-11-12 | Richard Louh | Car phone holder with a universal joint |
| US20050095058A1 (en) * | 2003-10-31 | 2005-05-05 | Gamber Johnson Llc | Ball and socket mounting assembly |
| US20060000957A1 (en) * | 2004-07-02 | 2006-01-05 | Carnevali Jeffrey D | Universally positionable mounting apparatus |
| US20080245935A1 (en) * | 2006-10-02 | 2008-10-09 | Sony Corporation | Connection structure and joint |
| CN203702836U (en) * | 2014-02-18 | 2014-07-09 | 旭卡机电（启东）有限公司 | Novel ball head turn positioning and connecting device |
-
2021
- 2021-03-02 CN CN202110230013.8A patent/CN112901648A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5845885A (en) * | 1993-12-14 | 1998-12-08 | National Products, Inc. | Universally positionable mounting device |
| US6220556B1 (en) * | 1999-05-28 | 2001-04-24 | Thomas M. Sohrt | Universally adjustable mounting system for switches, or the like |
| US6478276B1 (en) * | 2001-05-22 | 2002-11-12 | Richard Louh | Car phone holder with a universal joint |
| US20050095058A1 (en) * | 2003-10-31 | 2005-05-05 | Gamber Johnson Llc | Ball and socket mounting assembly |
| US20060000957A1 (en) * | 2004-07-02 | 2006-01-05 | Carnevali Jeffrey D | Universally positionable mounting apparatus |
| US20080245935A1 (en) * | 2006-10-02 | 2008-10-09 | Sony Corporation | Connection structure and joint |
| CN203702836U (en) * | 2014-02-18 | 2014-07-09 | 旭卡机电（启东）有限公司 | Novel ball head turn positioning and connecting device |
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