CN215110025U - Shaft body with positioning structure - Google Patents
Shaft body with positioning structure Download PDFInfo
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- CN215110025U CN215110025U CN202120411764.5U CN202120411764U CN215110025U CN 215110025 U CN215110025 U CN 215110025U CN 202120411764 U CN202120411764 U CN 202120411764U CN 215110025 U CN215110025 U CN 215110025U
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- hole
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- shaft
- positioning structure
- positioning
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- 230000000670 limiting effect Effects 0.000 claims description 27
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 description 6
- 239000000243 solution Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a from axis body of taking location structure. This kind of axis body from taking location structure includes: the elastic piece is arranged in the second hole, the elastic piece is used for applying external force towards the first ball to the first ball, the threaded piece is used for controlling the position of the first ball in the second hole, and the first ball is used for controlling the distance of the second ball extending out of the jack post. This kind of axis body from taking location structure is when using, with the jack-post plug-in hole body, through rotating the screw member for ball one moves and compresses ball two, extrudees the internal wall of hole by ball two, makes the jack-post stably locate in the hole body, and sets up the elastic component and can prevent that ball one from deviating from the jack-post.
Description
Technical Field
The utility model relates to an axis body location field in the lathe, in particular to from axis body of taking location structure.
Background
The traditional axis body with a positioning structure is locked by a riding screw or a screw. In the use, the axle is steel usually, and the box is the foundry goods, and both sides material is different, and the hardness is also different, and it is more difficult when joining in marriage the drilling screw that the locking of bridging screw is good, and the axial position is good adjustment after joining in marriage moreover, and the drilling screw needs to be joined in marriage again in the adjustment, and is inconvenient to use. The position has the requirement in the screw locking use, can only use near the box outlying position department in the shaft hole, and it is also inconvenient to adjust in the use in addition, has concave bank and boss on the axle excircle after the screw locking, dismantles very inconveniently.
SUMMERY OF THE UTILITY MODEL
This application can conveniently realize the location of axis body or dismantle through providing a from axis body of taking location structure.
The embodiment of the application provides a from axis body of taking location structure, includes:
the shaft column is provided with a first hole and a second hole which are communicated with each other along the axial direction, and the shaft column is provided with a plurality of third holes which are directly communicated with the second holes along the radial direction;
the screw is connected in the first hole in a threaded mode;
the first ball is slidably arranged in the second hole;
the second ball is slidably arranged in the third hole;
the elastic piece is arranged in the second hole and used for applying an external force towards the threaded piece to the first ball;
the screw is used for controlling the position of the first ball in the second hole, and the first ball is used for controlling the distance of the second ball extending out of the shaft column.
This kind of axis body from taking location structure is when using, with the jack-post plug-in hole body, through rotating the screw member for ball one moves and compresses ball two, extrudees the internal wall of hole by ball two, makes the jack-post stably locate in the hole body, and sets up the elastic component and can prevent that ball one from deviating from the jack-post.
On the basis of the technical scheme, the utility model discloses can also do as follows the improvement:
further: the ball bearing further comprises a limiting piece, wherein the limiting piece is arranged at the other end of the second hole relative to the first hole, the limiting piece is in threaded connection with the second hole, and the elastic piece is arranged between the limiting piece and the first ball. The beneficial effect of this step: the first ball, the second ball and the elastic piece are conveniently limited in the shaft column through the limiting piece.
Further: the elastic piece is a pressure spring.
Further: the positioning piece is arranged on the end face, facing the first ball, of the limiting piece, and the positioning piece is inserted into one end of the pressure spring. The beneficial effect of this step: the positioning stability of the pressure spring is improved through the positioning piece.
Further: the limiting part is provided with a rotating hole relative to the other end face of the positioning part, and the rotating hole is used for being inserted with an inner hexagonal wrench. The beneficial effect of this step: the limiting part is convenient to rotate through the rotating hole.
Further: and the junction of the third hole and the outer wall of the shaft column is an arc surface which is bent towards the direction of the three axes of the hole. The beneficial effect of this step: through setting up the arc surface towards hole triaxial bending, be convenient for with stable spacing in hole three of ball two.
Further: the shaft column sequentially comprises a first shaft and a second shaft which are connected end to end along the axis direction of the shaft column, and when the first ball is only subjected to the external force of the elastic piece, the interface of the first shaft and the second shaft is positioned between the first ball and the second ball. The beneficial effect of this step: the shaft column is divided into the first shaft and the second shaft, so that the shaft column is convenient to disassemble, and parts in the shaft column are convenient to replace or adjust.
Further: the first shaft is in threaded connection with the second shaft.
Further: a plurality of elastic bulges arranged at intervals are convexly arranged on the inner wall of the second hole and used for limiting the first ball in the first shaft.
Further: the diameter of the first hole is smaller than that of the second hole, and an inclined chamfer is formed at the junction of the first hole and the second hole.
Compared with the prior art, the beneficial effects of the utility model reside in that: by rotating the screw thread piece, the distance that the second ball stretches out of the second hole can be controlled, and the stability of the shaft column after positioning can be controlled.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of the present invention.
Wherein,
1, 101, 102, 103, 104, 105, 106, 107, 108, 109 and 109 connecting ends I and II;
2, a screw thread piece;
3, first ball;
4, second ball;
5, an elastic piece;
6 a limiting piece 601 rotating hole;
7 a positioning member;
8, elastic bulge.
Detailed Description
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral; the mechanical connection can be realized by selecting a proper connection mode in the prior art, such as welding, riveting, threaded connection, bonding, pin connection, key connection, elastic deformation connection, buckle connection, interference connection and injection molding; or an electrical connection, transmitting energy or signals by electricity; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
As shown in fig. 1, a shaft body with a positioning structure includes: the novel shaft column comprises a shaft column 1, a threaded part 2, a ball I3, a ball II 4 and an elastic part 5, wherein the shaft column 1 is axially provided with a first hole 101 and a second hole 102 which are mutually communicated, the shaft column 1 is radially provided with a plurality of third holes 103 which are directly communicated with the second holes 102, the threaded part 2 is in threaded connection with the first hole 101, the ball I3 is arranged in the second holes 102 in a sliding mode, the ball II 4 is arranged in the third holes 103 in a sliding mode, the elastic part 5 is arranged in the second holes 102, the elastic part 5 is used for applying external force towards the threaded part 2 to the ball I3, the threaded part 2 is used for controlling the position of the ball I3 in the second holes 102, and the ball I3 is used for controlling the distance of the ball II 4 extending out of the shaft column 1.
As shown in fig. 1, in order to facilitate description of the structure of the shaft body with the positioning structure, the shaft column 1 in the present embodiment is disposed along a vertical direction, and the structure of the shaft body with the positioning structure is described according to the direction, and the shaft body with the positioning structure may be disposed along any direction when in use.
As shown in fig. 1, the first hole 101 is a threaded hole, the first hole 101 is located above the second hole 102, the first hole 101 and the second hole 102 form a structure which penetrates through the shaft column 1 along the axial direction of the shaft column 1, the diameter of the first hole 101 is smaller than that of the second hole 102, an inclined chamfer 104 is formed at the junction of the first hole 101 and the second hole 102, the chamfer forms a truncated cone-shaped structure with an upward conical tip, and due to the arrangement, the first ball 3 is in contact with the surface of the chamfer, so that the abrasion between the end of the first hole 101 and the first ball 3 is reduced.
As shown in fig. 1, the shaft body with a positioning structure further includes: the limiting part 6 and the limiting part 6 are of plate-shaped or block-shaped structures, an inner thread is arranged on the inner wall of the second hole 102 below the third hole 103, the limiting part 6 is arranged in the second hole 102 below the third hole 103 and is in threaded connection with the second hole 102, the elastic part 5 is a pressure spring, specifically a cylindrical compression spring, the elastic part 5 is arranged between the limiting part 6 and the first ball 3 in the vertical direction, and the elastic part 5 is arranged between the second ball 4 in the horizontal direction.
As shown in fig. 1, the shaft body with a positioning structure further includes: the positioning piece 7 is of a cylindrical structure, the positioning piece 7 is located in the second hole 102 and connected to the upper end face of the limiting piece 6, the positioning piece 7 is inserted into the lower end of the pressure spring, and the upper end of the pressure spring presses the lower end of the first ball 3 and presses the first ball 3 onto the inclined chamfer 104; the lower end face of the limiting part 6 is provided with a rotating hole 601, the rotating hole 601 is used for being connected with an internal hexagonal wrench in an inserting mode, the positioning part 7 is rotated through the wrench, and the pressure of the pressure spring on the ball I3 can be adjusted conveniently.
As shown in fig. 1, three holes three 103 are uniformly distributed on a circumference which takes the axis of the stud 1 as a central line, the boundary between the hole three 103 and the outer wall of the stud 1 is an arc surface 105 which is bent towards the axis direction of the hole three 103, and the arc surface 105 is arranged at the end of the hole three 103 in order to limit the ball two 4 in the hole three 103, so that the ball two 4 cannot be pulled out of the hole three 103.
As shown in fig. 1, the shaft column 1 sequentially includes a first shaft 106 and a second shaft 107 connected end to end along the axial direction (from top to bottom), and when the first ball 3 is subjected to the external force of the elastic member 5 only, the interface between the first shaft 106 and the second shaft 107 is located between the first ball 3 and the second ball 4.
As shown in fig. 1, the first shaft 106 and the second shaft 107 divide the second hole 102 into two parts, the third hole 103 is located on the second shaft 107, the annular first connecting end 108 is convexly arranged at the lower end of the first shaft 106, internal threads are arranged on the inner ring surface of the first connecting end 108, the annular second connecting end 109 is convexly arranged at the upper end of the second shaft 107 corresponding to the first connecting end 108, external threads are arranged on the outer ring surface of the second connecting end 109, and the second connecting end 109 is connected with the first connecting end 108 through threads, so that the threaded connection between the first shaft 106 and the second shaft 107 is realized.
As shown in fig. 1, three elastic protrusions 8 arranged at intervals are convexly arranged on the inner wall of the second hole 102, the elastic protrusions 8 are rubber bodies, the elastic protrusions 8 are uniformly distributed on the circumference taking the axis of the shaft column 1 as a central line, the elastic protrusions 8 are used for limiting the first ball 3 in the first hole 106, and the elastic member 5 is arranged to prevent the first ball 3 from falling out of the second hole 102 under the limiting action of the elastic protrusions 8 when the first ball 3 is not pressed by the screw member 2 and the first ball 3 is compressed by the action of a pressure spring to enter the upper end of the second hole 102 and separate the second shaft 107 from the first shaft 106 when the second shaft 107 is separated from the first shaft 106, so that the first ball 3 can be prevented from falling out of the second hole 102 in the process of disassembling the first shaft 106 and the second shaft 107.
This kind of axis body from area location structure is when using, with the jack-post 1 back in the hole body, through rotating screw 2, make ball 3 compress elastic component 5, ball 3 pushes away ball two 4 and slides in hole three 103 after that, one side of ball two 4 passes through hole three 103 and compresses tightly the inner wall of hole body, thereby make the stable location of jack-post 1 in the hole body, during the dismantlement, reverse rotation screw 2, make ball 3 separate with ball two 4, through other screw part (such as parts such as bolt, screw or double-screw bolt) threaded connection to hole 101 in, it can to extract 1 jack-post from the hole body through screw part.
This kind of axis body from taking location structure has following advantage:
1. the inner wall of the hole body is extruded by the second ball, so that the shaft column can be stably positioned in the hole body;
2. the position of the first ball is changed through the threaded part, and the pressure of the first ball to the second ball can be adjusted, namely the pressure of the two balls to the inner walls of the hole body can be adjusted, so that the stability of the shaft column positioned behind the hole body is changed, and the shaft column is convenient to disassemble and assemble;
3. the position of the limiting piece in the second hole is changed by rotating the limiting piece, so that the pressure of the elastic piece on the first ball can be adjusted, and the first ball can overcome the resistance of the elastic bulge under the acting force of the elastic piece;
4. the shaft body with the positioning structure is convenient to maintain by arranging the first shaft and the second shaft, so that the shaft column can be conveniently disassembled and parts in the shaft column can be replaced;
5. the limiting piece is arranged, so that the first ball and the second ball can be prevented from falling out of the spindle post when the spindle post is used;
6. the elastic bulge is arranged, so that the first ball can be prevented from falling out of the second hole in the process of disassembling the shaft column;
7. through setting up the elastic component, can also prevent that ball two from falling out from axle two in the in-process of dismantling the jack-post.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; 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 (10)
1. The utility model provides a from axis body of taking location structure which characterized in that includes:
the shaft column is provided with a first hole and a second hole which are communicated with each other along the axial direction, and the shaft column is provided with a plurality of third holes which are directly communicated with the second holes along the radial direction;
the screw is connected in the first hole in a threaded mode;
the first ball is slidably arranged in the second hole;
the second ball is slidably arranged in the third hole;
the elastic piece is arranged in the second hole and used for applying an external force towards the threaded piece to the first ball;
the screw is used for controlling the position of the first ball in the second hole, and the first ball is used for controlling the distance of the second ball extending out of the shaft column.
2. The shaft body with the positioning structure according to claim 1, further comprising a limiting member disposed at the other end of the second hole opposite to the first hole, wherein the limiting member is in threaded connection with the second hole, and the elastic member is disposed between the limiting member and the first ball.
3. The axle body with the self-locating structure of claim 2, wherein the resilient member is a compression spring.
4. The shaft body with the positioning structure as claimed in claim 3, further comprising a positioning element, wherein the positioning element is disposed on an end surface of the first limiting element facing the first ball, and the positioning element is inserted into one end of the pressure spring.
5. The shaft body with the positioning structure as claimed in claim 4, wherein a rotation hole is formed in the other end surface of the limiting member opposite to the positioning member, and the rotation hole is used for inserting an allen wrench.
6. The shaft body with the positioning structure as claimed in claim 1, wherein the junction between the third hole and the outer wall of the shaft pillar is an arc surface curved toward the three axes of the holes.
7. The self-contained positioning structure shaft body as claimed in claim 1, wherein the shaft column comprises a first shaft and a second shaft which are connected end to end in sequence along the self-axis direction, and when the first ball is subjected to the external force of the elastic member, the interface between the first shaft and the second shaft is located between the first ball and the second ball.
8. The self-contained positioning structure shaft body as claimed in claim 7, wherein the first shaft and the second shaft are in threaded connection.
9. The shaft body with the positioning structure as claimed in claim 7, wherein a plurality of elastic protrusions are protruded from an inner wall of the second hole, and the elastic protrusions are used for limiting the first ball in the first shaft.
10. The shaft body with the positioning structure as claimed in claim 1, wherein the diameter of the first hole is smaller than that of the second hole, and an oblique chamfer is formed at the junction of the first hole and the second hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120411764.5U CN215110025U (en) | 2021-02-24 | 2021-02-24 | Shaft body with positioning structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120411764.5U CN215110025U (en) | 2021-02-24 | 2021-02-24 | Shaft body with positioning structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215110025U true CN215110025U (en) | 2021-12-10 |
Family
ID=79336173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120411764.5U Active CN215110025U (en) | 2021-02-24 | 2021-02-24 | Shaft body with positioning structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215110025U (en) |
-
2021
- 2021-02-24 CN CN202120411764.5U patent/CN215110025U/en active Active
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