CN210949590U - Axial locking device - Google Patents
Axial locking device Download PDFInfo
- Publication number
- CN210949590U CN210949590U CN201921932447.7U CN201921932447U CN210949590U CN 210949590 U CN210949590 U CN 210949590U CN 201921932447 U CN201921932447 U CN 201921932447U CN 210949590 U CN210949590 U CN 210949590U
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- locking
- shaft sleeve
- reset
- axial
- arranged above
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Abstract
The utility model discloses an axial locking device relates to axial locking device technical field, and for solving the poor traditional axial locking device of axial adjustment continuity among the prior art, frequent dismouting or axial adjustment are not suitable for very much, and some not high problems of locking reliability. The improved reset shaft comprises a reset shaft sleeve and is characterized in that an inner locking shaft sleeve is arranged above the reset shaft sleeve, an outer locking shaft sleeve is arranged above the inner locking shaft sleeve, the inner locking shaft sleeve is fixedly connected with the outer locking shaft sleeve, the outer surface of the outer locking shaft sleeve is provided with two limiting arc-shaped grooves, a reset spring is arranged inside the reset shaft sleeve and is connected with the reset shaft sleeve in a combined mode, a rectangular locking block is arranged above the reset spring, a circular shaft rod is arranged above the rectangular locking block and is fixedly connected with the circular shaft rod, a combined pull cap is arranged above the circular shaft rod, and the combined pull cap is connected with the circular shaft rod in a combined mode.
Description
Technical Field
The utility model relates to an axial locking device technical field specifically is an axial locking device.
Background
Axial locking devices are widely used in multi-industry production equipment, and the most common of the conventional axial locking devices is a nut locking device, a set screw sleeve locking device and a pin sleeve locking device, and the nut locking device comprises: the shaft end threads are often longer and the thread pitch is smaller, which has resulted in low assembly and disassembly efficiency or in local damage to the fine threads which are too long exposed and of low strength. Set screw cover locking device: in order to ensure the reliability of locking, only increase the power of screwing of screw, like this, both increased the dismantlement degree of difficulty, increased the possibility of axial plane damage, screw and cover screw thread damage again, cotter way locking device: an axial locking device is positioned by elastically positioning the lock pin in the sleeve and entering the lock hole on the shaft.
However, the conventional axial locking device with poor continuity of the existing axial adjustment is not suitable for frequent disassembly and assembly or axial adjustment, and the locking reliability of some axial locking devices is not high; thus, the existing requirements are not met, and an axial locking device is provided for the purpose.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an axial locking device to solve the poor traditional axial locking device of axial adjustment continuity that proposes among the above-mentioned background art and be less suitable for frequent dismouting or axial adjustment, and some not high problems of locking reliability.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an axial locking device, includes the reset shaft barrel casing, the top of reset shaft barrel casing is provided with interior locking axle sleeve, the top of interior locking axle sleeve is provided with outer locking axle sleeve, and interior locking axle sleeve and outer locking axle sleeve fixed connection, the surface of outer locking axle sleeve is provided with spacing arc wall, and just spacing arc wall has two, the inside of reset shaft barrel casing is provided with reset spring, and reset spring and reset shaft barrel casing built-up connection, reset spring's top is provided with the rectangle latch segment, the top of rectangle latch segment is provided with circular axostylus axostyle, and rectangle latch segment and circular axostylus axostyle fixed connection, the top of circular axostylus axostyle is provided with the combination and draws the cap, and the combination draws cap and circular axostylus axostyle built-up connection, the inboard of combination and drawing the cap is provided with.
Preferably, the semicircular clamping beads are fixedly connected with the combined pull cap, and the combined pull cap is connected with the limiting arc-shaped groove through the semicircular clamping beads.
Preferably, the inside of outer locking axle sleeve is provided with the metal steel ball, and the metal steel ball has a plurality ofly, the metal steel ball passes through the draw-in groove with outer locking axle sleeve and is connected, the surface of circular axostylus axostyle is provided with the hole groove, and the hole groove diameter is the same with the metal steel ball diameter.
Preferably, a torque spring is arranged below the metal steel ball, and the torque spring is connected with the inner locking shaft sleeve and the outer locking shaft sleeve in a combined mode.
Preferably, the reset shaft sleeve is rotatably connected with the inner locking shaft sleeve through a switching bearing ring, and a locking clamping groove is formed below the switching bearing ring.
Preferably, the thickness of the rectangular locking block is the same as the inner distance between the inner locking shaft sleeve and the outer locking shaft sleeve, and the width of the rectangular locking block is the same as the inner distance of the rectangular locking block.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a will draw the cap to promote downwards, at this moment circular axostylus axostyle also can be along with drawing the cap together downstream, and the latch segment of axostylus axostyle bottom will compress the inside reset spring of counter shaft barrel casing, after drawing the combination of the inboard card pearl of cap and the spacing groove on outer locking shaft sleeve surface, the inboard metal steel ball of axle sleeve will be embedded into the hole groove on circular axostylus axostyle surface, thereby carry out relatively fixed between the body of rod and the axle sleeve, again because the combination of card pearl and spacing groove and the combination of steel ball and hole groove, when drawing the cap to rotate, just can drive inside and outside locking shaft sleeve and axostylus axostyle of below and rotate, and the inside latch segment of axle barrel casing also can rotate to locking draw-in groove department and accomplish the locking, whole axial.
Drawings
FIG. 1 is an overall front view of the present invention;
FIG. 2 is a schematic view of the overall cross-sectional structure of the present invention;
fig. 3 is an enlarged structural diagram a of the present invention.
In the figure: 1. a reset shaft sleeve; 2. an inner locking shaft sleeve; 3. an outer locking shaft sleeve; 4. a circular shaft lever; 5. a combined pull cap; 6. semi-circle clamping beads; 7. a limiting arc-shaped groove; 8. a metal steel ball; 9. a torque spring; 10. a rectangular locking block; 11. a return spring; 12. switching a bearing ring; 13. and locking the clamping groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, the present invention provides an embodiment: an axial locking device comprises a reset shaft sleeve 1, an inner locking shaft sleeve 2 is arranged above the reset shaft sleeve 1, an outer locking shaft sleeve 3 is arranged above the inner locking shaft sleeve 2, the inner locking shaft sleeve 2 is fixedly connected with the outer locking shaft sleeve 3, the outer surface of the outer locking shaft sleeve 3 is provided with two limiting arc-shaped grooves 7 which play a role of limiting and fixing, a reset spring 11 is arranged inside the reset shaft sleeve 1, the reset spring 11 can jack the rod body after the rod body is unlocked, the reset spring 11 is connected with the reset shaft sleeve 1 in a combined manner, a rectangular locking block 10 is arranged above the reset spring 11, a circular shaft rod 4 is arranged above the rectangular locking block 10, the rectangular locking block 10 is fixedly connected with the circular shaft rod 4, a combined pull cap 5 is arranged above the circular shaft rod 4, and the combined pull cap 5 is connected with the circular shaft rod 4 in a combined manner, the inner side of the combined pull cap 5 is provided with two semicircular clamping beads 6, and the number of the semicircular clamping beads 6 is two.
Further, semicircle card pearl 6 draws cap 5 fixed connection with the combination, and the combination draws cap 5 and spacing arc wall 7 to be connected through semicircle card pearl 6, after card pearl and spacing groove combination, draws the cap to drive the inside and outside locking axle sleeve of below through rotating and rotates.
Further, the inside of outer locking shaft sleeve 3 is provided with metal steel ball 8, and metal steel ball 8 has a plurality ofly, and metal steel ball 8 passes through the draw-in groove with outer locking shaft sleeve 3 to be connected, and the surface of circular axostylus axostyle 4 is provided with the hole groove, and the hole groove diameter is the same with the diameter of metal steel ball 8, can push the steel ball in the outside hole groove of the body of rod through the mode of pushing down to fix the body of rod.
Further, a torque spring 9 is arranged below the metal steel ball 8, and the torque spring 9 is connected with the inner locking shaft sleeve 2 and the outer locking shaft sleeve 3 in a combined mode.
Further, the reset shaft sleeve 1 and the inner locking shaft sleeve 2 are rotatably connected through a switching bearing ring 12, a locking clamping groove 13 is arranged below the switching bearing ring 12, and the rotation operation of the rectangular locking block 10 and the circular shaft rod 4 is realized.
Further, the thickness of the rectangular locking block 10 is the same as the inner distance between the inner locking shaft sleeve 2 and the outer locking shaft sleeve 3, and the width of the rectangular locking block 10 is the same as the inner distance between the rectangular locking block 10, so that the rectangular locking block 10 can be clamped and fixed by rotating.
The working principle is as follows: when in use, the rectangular locking block 10 at the bottom of the round shaft lever 4 is placed in the reset shaft sleeve 1, then the inner and outer locking shaft sleeves are sleeved from the top of the shaft lever and are connected with the reset shaft sleeve 1 through the switching bearing ring 12, finally the combined pull cap 5 is installed at the top of the shaft lever, after the assembly and the locking are completed, the pull cap is pushed downwards, at the moment, the round shaft lever 4 can also move downwards along with the pull cap, the locking block at the bottom of the shaft lever can compress the reset spring 11 in the shaft sleeve, when the clamping balls at the inner side of the pull cap are combined with the limiting grooves on the surface of the outer locking shaft sleeve 3, the metal steel balls 8 at the inner side of the shaft sleeve can be embedded into the hole grooves on the surface of the round shaft lever 4, so that the rod body and the shaft sleeve are relatively fixed, then the pull cap is rotated, because of the combination of the clamping balls and the limiting grooves and the combination of the steel balls and the hole grooves, the inside and outside locking axle sleeve and the axostylus axostyle of below also can rotate, and the inside locking piece of axle sleeve cover rotates to locking draw-in groove 13 department, accomplishes the locking.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides an axial locking device, includes reset shaft barrel cover (1), its characterized in that: an inner locking shaft sleeve (2) is arranged above the reset shaft sleeve (1), an outer locking shaft sleeve (3) is arranged above the inner locking shaft sleeve (2), the inner locking shaft sleeve (2) is fixedly connected with the outer locking shaft sleeve (3), the outer surface of the outer locking shaft sleeve (3) is provided with two limiting arc-shaped grooves (7), a reset spring (11) is arranged inside the reset shaft sleeve (1), the reset spring (11) is connected with the reset shaft sleeve (1) in a combined manner, a rectangular locking block (10) is arranged above the reset spring (11), a circular shaft rod (4) is arranged above the rectangular locking block (10), the rectangular locking block (10) is fixedly connected with the circular shaft rod (4), a combined pull cap (5) is arranged above the circular shaft rod (4), and the combined pull cap (5) is connected with the circular shaft rod (4) in a combined manner, the inner side of the combined pull cap (5) is provided with two semicircular clamping beads (6), and the number of the semicircular clamping beads (6) is two.
2. An axial locking device according to claim 1, characterized in that: the semicircular clamping beads (6) are fixedly connected with the combined pull cap (5), and the combined pull cap (5) is connected with the limiting arc-shaped groove (7) through the semicircular clamping beads (6).
3. An axial locking device according to claim 1, characterized in that: the inner part of the outer locking shaft sleeve (3) is provided with a plurality of metal steel balls (8), the metal steel balls (8) are connected with the outer locking shaft sleeve (3) through clamping grooves, the outer surface of the circular shaft rod (4) is provided with hole grooves, and the diameters of the hole grooves are the same as those of the metal steel balls (8).
4. An axial locking device according to claim 3, wherein: and a torque spring (9) is arranged below the metal steel ball (8), and the torque spring (9) is connected with the inner locking shaft sleeve (2) and the outer locking shaft sleeve (3) in a combined manner.
5. An axial locking device according to claim 1, characterized in that: reset shaft section of thick bamboo cover (1) and interior locking axle sleeve (2) and rotate through switching race ring (12) and be connected, the below of switching race ring (12) is provided with locking draw-in groove (13).
6. An axial locking device according to claim 1, characterized in that: the thickness of the rectangular locking block (10) is the same as the inner distance between the inner locking shaft sleeve (2) and the outer locking shaft sleeve (3), and the width of the rectangular locking block (10) is the same as the inner distance between the rectangular locking block (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921932447.7U CN210949590U (en) | 2019-11-11 | 2019-11-11 | Axial locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921932447.7U CN210949590U (en) | 2019-11-11 | 2019-11-11 | Axial locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210949590U true CN210949590U (en) | 2020-07-07 |
Family
ID=71389738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921932447.7U Active CN210949590U (en) | 2019-11-11 | 2019-11-11 | Axial locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210949590U (en) |
-
2019
- 2019-11-11 CN CN201921932447.7U patent/CN210949590U/en active Active
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