CN221074982U - Automatic locking structure of mechanical rotating shaft - Google Patents
Automatic locking structure of mechanical rotating shaft Download PDFInfo
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- CN221074982U CN221074982U CN202323227989.3U CN202323227989U CN221074982U CN 221074982 U CN221074982 U CN 221074982U CN 202323227989 U CN202323227989 U CN 202323227989U CN 221074982 U CN221074982 U CN 221074982U
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- rotating shaft
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- fixedly connected
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- wall
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- 238000009434 installation Methods 0.000 claims abstract description 53
- 230000006835 compression Effects 0.000 claims abstract description 23
- 238000007906 compression Methods 0.000 claims abstract description 23
- 239000011324 bead Substances 0.000 claims description 14
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Abstract
The utility model discloses an automatic locking structure of a mechanical rotating shaft, which relates to the technical field of rotating shafts and comprises the following components: the installation sleeve and the rotating shaft body are rotatably arranged in the installation sleeve; the locking component is used for locking the rotation of the rotating shaft body; the locking assembly comprises a compression bar in the installation sleeve in a sliding and inserting mode and a first locking disc fixedly installed at one end of the rotating shaft body, one end, which extends to the installation sleeve, of the compression bar is fixedly connected with an installation seat, one side, which is far away from the compression bar, of the installation seat is fixedly provided with a guide bar, one end, which is far away from the installation seat, of the guide bar is fixedly connected with a second locking disc, the opposite sides of the first locking disc and the second locking disc are respectively provided with a tooth ring which can be meshed with each other, a groove is formed in the installation seat, and a supporting spring is fixedly installed in the groove. The utility model solves the problems of inconvenient realization of the quick locking effect, complicated overall operation and poor practicability.
Description
Technical Field
The utility model belongs to the technical field of rotating shafts, and particularly relates to an automatic locking structure of a mechanical rotating shaft.
Background
The rotating shaft is widely used as a connecting part of products, for example, electronic products such as flip mobile phones, notebook computers and the like are used for rotating the display screen by the rotating shaft. The existing rotating shaft is not provided with a locking mechanism, has no self-locking function, and prevents the rotating shaft from continuing to rotate through the damping effect of the rotating shaft after the user rotates the rotating shaft to a required angle. However, the prevention of the continuous rotation of the rotating shaft by the damping effect is limited only in the condition that the rotating shaft is subjected to external vibration or shaking force is small, and when the rotating shaft is subjected to external vibration or shaking force is large, the continuous rotation cannot be prevented by the damping effect.
The prior patent (application number: CN 201922010742.3) proposes a rotating shaft with an angle self-locking function, comprising: the second end of the connecting sleeve is provided with a fixing seat, the inner end face of the fixing seat is provided with a protruding portion coaxial with the connecting sleeve, the protruding portion is inserted into the connecting sleeve, the locking disc is elastically connected to the end face of the protruding portion and slides along the axial direction of the connecting sleeve, a through hole coaxial with the protruding portion is formed in the fixing seat, the first end of the adjusting screw is inserted into the through hole and is in threaded connection with the inner wall of the through hole, and the second end of the adjusting screw protrudes out of the outer end face of the fixing seat. The lock disk is equipped with first ring gear on the terminal surface towards the connecting axle, is equipped with the second ring gear on the terminal surface towards the lock disk of connecting axle, and overall structure is simple, locks after the pivot rotates the angle of needs, prevents that the pivot from continuing to rotate under the exogenic action to convenience of customers uses.
However, when the rotating shaft self-locking structure is used, the screw rod is manually controlled to adjust the screw rod to rotate, and the operator needs to perform screwing actions for multiple times to realize locking, so that the effect of quick locking is inconvenient to realize, the whole operation is complicated, and the practicability is poor.
In view of this, the present application has been made.
Disclosure of utility model
The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing an automatic locking structure of a mechanical rotating shaft, so as to achieve the aim of quick locking.
In order to solve the technical problems, the utility model provides an automatic locking structure of a mechanical rotating shaft, comprising:
The installation sleeve and the rotating shaft body are rotatably arranged in the installation sleeve;
the locking component is used for locking the rotation of the rotating shaft body;
The locking assembly comprises a compression bar in the installation sleeve in a sliding and inserting mode and a first locking disc fixedly installed at one end of the rotating shaft body, one end, which extends to the installation sleeve, of the compression bar is fixedly connected with an installation seat, one side, which is far away from the compression bar, of the installation seat is fixedly provided with a guide bar, one end, which is far away from the installation seat, of the guide bar is fixedly connected with a second locking disc, the opposite sides of the first locking disc and the second locking disc are respectively provided with a tooth ring which can be meshed with each other, a groove is formed in the installation seat, a supporting spring is fixedly installed in the groove, one end of the supporting spring is fixedly connected with a positioning bead, and a positioning hole for embedding the positioning bead is formed in the side wall of the installation sleeve.
Further, a guide plate is fixedly arranged on the inner wall of the mounting sleeve, and the guide rod is arranged on the guide plate in a sliding manner.
Furthermore, a reset spring is sleeved on the pressure rod, one end of the reset spring is fixedly connected with the side wall of the mounting seat, and the other end of the reset spring is fixedly connected with the inner wall of the mounting sleeve.
Further, one end of the compression bar, which is far away from the installation seat, is fixedly connected with a pressing plate, and the pressing plate is positioned outside the installation sleeve.
Further, an annular chute communicated with the positioning hole is formed in the outer wall of the installation sleeve, a sliding ring is connected to the inside of the annular chute in a sliding mode, a sliding sleeve is arranged on the outer wall of the installation sleeve in a sliding mode, and the outer wall of the sliding ring is fixedly connected with the inner wall of the sliding sleeve.
Further, a thrust spring is fixedly connected to the side wall of the sliding ring, and one end, far away from the sliding ring, of the thrust spring is fixedly connected with the inner wall of the annular chute.
Further, anti-slip lines are integrally formed on the outer wall of the sliding sleeve.
By adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects.
1. According to the utility model, the installation seat can be driven to slide in the installation sleeve by pressing the compression bar, when the positioning bead installed on the installation seat moves to the position of the positioning hole, the positioning bead can be pushed to be clamped into the position of the positioning hole by utilizing the elasticity of the supporting spring, the position of the compression bar is fixed, the installation seat drives the second locking disc to synchronously displace by the guide rod in the moving process, so that the second locking disc is attached to the first locking disc, and the rotation of the first locking disc can be locked by the gear ring arranged on the opposite side of the first locking disc and the second locking disc.
2. According to the utility model, the sliding ring can be driven to slide in the annular chute by controlling the sliding sleeve to slide on the mounting sleeve, and the positioning beads embedded in the positioning holes can be pushed to the inside of the grooves in the sliding process of the sliding ring, so that the rotating shaft body in the locking state can be unlocked conveniently, and the rotating shaft is simple in structure and convenient to operate.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic perspective view of the present utility model;
FIG. 3 is a schematic cross-sectional view of the present utility model;
fig. 4 is a schematic structural view of a locking assembly according to the present utility model.
Reference numerals in the drawings:
1. A rotating shaft body; 2. a mounting sleeve; 3. a compression bar; 4. a sliding sleeve; 5. a first locking plate; 6. a second locking plate; 7. a gear ring; 8. a guide rod; 9. a guide plate; 10. positioning holes; 11. a mounting base; 12. a groove; 13. a support spring; 14. positioning beads; 15. a return spring; 16. a slip ring; 17. an annular chute; 18. and a thrust spring.
It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 4, the present utility model provides an automatic locking structure of a mechanical rotating shaft.
Specifically, given by FIGS. 1-4, includes:
the installation sleeve 2 and the rotating shaft body 1 rotatably arranged in the installation sleeve;
A locking assembly for locking the rotation of the spindle body 1;
The locking subassembly includes the depression bar 3 of slip grafting in installation cover 2 inside and the first locking dish 5 of fixed mounting in pivot body 1 one end, the depression bar 3 extends to the inside one end fixedly connected with mount pad 11 of installation cover 2, one side fixed mounting that the depression bar 3 was kept away from to the mount pad 11 has guide bar 8, one end fixedly connected with second locking dish 6 that the mount pad 11 was kept away from to guide bar 8, but first locking dish 5 all is provided with intermeshing's ring gear 7 with the opposite side of second locking dish 6, set up flutedly 12 on the mount pad 11, the inside fixed mounting of fluting 12 has supporting spring 13, supporting spring 13 one end fixedly connected with location pearl 14, set up the locating hole 10 that supplies location pearl 14 to imbed on the installation cover 2 lateral wall.
According to the utility model, the installation seat 11 can be driven to slide in the installation sleeve 2 by pressing the compression rod 3, when the positioning bead 14 installed on the installation seat 11 moves to the position of the positioning hole 10, the positioning bead 14 can be pushed to be clamped into the positioning hole 10 by utilizing the elasticity of the supporting spring 13, the position of the compression rod 3 is fixed, the installation seat 11 drives the second locking disc 6 to synchronously displace through the guide rod 8 in the moving process, the second locking disc 6 can be attached to the first locking disc 5, and the rotation of the first locking disc 5 can be locked through the gear ring 7 arranged on the opposite side of the first locking disc 5 and the second locking disc 6, and as the rotating shaft body 1 is fixedly connected with the first locking disc 5, the effect of rotating and locking the rotating shaft body 1 can be realized when the first locking disc 5 is locked, the rotating shaft body 1 is prevented from continuously rotating under the action of external force, so that the use is convenient for users.
Further, as a specific embodiment of the present utility model, the present utility model provides an automatic locking structure for a mechanical rotating shaft.
Specifically, as shown in fig. 3, a guide plate 9 is fixedly installed on the inner wall of the installation sleeve 2, and the guide rod 8 is slidably arranged on the guide plate 9.
In the present utility model, the sliding of the guide rod 8 is limited and guided.
Further, as another embodiment of the present utility model, the present utility model provides an automatic locking structure for a mechanical rotating shaft.
Specifically, as shown in fig. 3, a return spring 15 is sleeved on the compression bar 3, one end of the return spring 15 is fixedly connected with the side wall of the mounting seat 11, and the other end of the return spring 15 is fixedly connected with the inner wall of the mounting sleeve 2.
In the utility model, the return spring 15 is in a compression state initially, when the compression bar 3 is pressed and slid, the return spring 15 is driven to extend, and when the compression bar 3 needs to be restored, the compression bar 3 can be pulled to restore through the elasticity of the return spring 15.
Further, as a specific embodiment of the present utility model, the present utility model provides an automatic locking structure for a mechanical rotating shaft.
Specifically, as shown in fig. 1, a pressing plate is fixedly connected to one end of the pressing rod 3 away from the mounting seat 11, and the pressing plate is located outside the mounting sleeve 2.
In the present utility model, the pressing lever 3 is pressed for the convenience of the operator.
Further, as a specific embodiment of the present utility model, the present utility model provides an automatic locking structure for a mechanical rotating shaft.
Specifically, as shown in FIG. 1-
Fig. 3 shows that the outer wall of the installation sleeve 2 is provided with a ring-shaped chute 17 communicated with the positioning hole 10, the inside of the ring-shaped chute 17 is slidably connected with a sliding ring 16, the outer wall of the installation sleeve 2 is slidably sleeved with a sliding sleeve 4, and the outer wall of the sliding ring 16 is fixedly connected with the inner wall of the sliding sleeve 4.
According to the utility model, the sliding sleeve 4 is controlled to slide on the mounting sleeve 2, so that the sliding ring 16 can be driven to slide in the annular sliding groove 17, and the positioning beads 14 embedded in the positioning holes 10 can be pushed to the inside of the grooves 12 in the sliding process of the sliding ring 16, so that the rotating shaft body 1 in a locking state can be unlocked conveniently, and the rotating shaft is simple in structure and convenient to operate.
Further, as a specific embodiment of the present utility model, the present utility model provides an automatic locking structure for a mechanical rotating shaft.
Specifically, as shown in fig. 3, a thrust spring 18 is fixedly connected to a side wall of the sliding ring 16, and one end of the thrust spring 18 away from the sliding ring 16 is fixedly connected with an inner wall of the annular chute 17.
In the utility model, the thrust spring 18 can be extruded when the sliding ring 16 slides in the annular chute 17, and the sliding ring 16 can be pushed to reset by the thrust spring 18 after the unlocking operation is completed.
Further, as a specific embodiment of the present utility model, the present utility model provides an automatic locking structure for a mechanical rotating shaft.
Specifically, as shown in fig. 1, the outer wall of the sliding sleeve 4 is integrally formed with anti-slip lines.
In the utility model, in order to increase the friction force of the outer wall of the sliding sleeve 4, a good anti-skid effect is achieved.
Working principle: the installation seat 11 can be driven to slide in the installation sleeve 2 by pressing the compression bar 3, the positioning bead 14 installed on the installation seat 11 moves to the position of the positioning hole 10, the elastic force of the supporting spring 13 is utilized to push the positioning bead 14 to be clamped into the position of the positioning hole 10, the position of the compression bar 3 is fixed, the installation seat 11 drives the second locking disc 6 to synchronously displace through the guide rod 8 in the moving process, the second locking disc 6 can be attached to the first locking disc 5, the gear ring 7 arranged on the opposite side of the first locking disc 5 and the second locking disc 6 can lock the rotation of the first locking disc 5, the rotating shaft body 1 and the first locking disc 5 are fixedly connected, the rotating shaft body 1 can be locked by rotating when the first locking disc 5 is locked, the rotating shaft body 1 is prevented from continuing to rotate under the action of external force, the sliding sleeve is further convenient for a user to use, the sliding sleeve can be driven to slide 16 to slide in the annular sliding groove 17 through the sliding sleeve 4, the sliding sleeve 16 can be pushed into the positioning hole 10 by the sliding sleeve 6, the rotating of the rotating shaft body is further, the rotating the positioning bead is locked into the positioning hole 10 is pushed by the sliding sleeve 16, and the rotating operation of the rotating shaft body is further convenient to unlock the rotating body 1, and the structure is simple to unlock the structure.
The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited to the above-mentioned embodiment, but is not limited to the above-mentioned embodiment, and any simple modification, equivalent change and modification made by the technical matter of the present utility model can be further combined or replaced by the equivalent embodiment without departing from the scope of the technical solution of the present utility model.
Claims (7)
1. An automatic locking structure of a mechanical rotating shaft, comprising:
The installation sleeve (2) and the rotating shaft body (1) are rotatably arranged in the installation sleeve;
the locking component is used for locking the rotation of the rotating shaft body (1);
The novel locking assembly is characterized in that the locking assembly comprises a compression rod (3) which is inserted into the installation sleeve (2) in a sliding manner and a first locking disc (5) which is fixedly arranged at one end of the rotating shaft body (1), the compression rod (3) extends to one end fixedly connected with an installation seat (11) which is arranged inside the installation sleeve (2), one side, away from the compression rod (3), of the installation seat (11) is fixedly provided with a guide rod (8), one end, away from the installation seat (11), of the guide rod (8) is fixedly connected with a second locking disc (6), opposite sides of the first locking disc (5) and the second locking disc (6) are respectively provided with a gear ring (7) which can be meshed with each other, a groove (12) is formed in the installation seat (11), a supporting spring (13) is fixedly arranged in the inner portion of the groove (12), one end of the supporting spring (13) is fixedly connected with a positioning bead (14), and a positioning hole (10) for embedding the positioning bead (14) is formed in the side wall of the installation sleeve (2).
2. The automatic locking structure of a mechanical rotating shaft according to claim 1, wherein a guide plate (9) is fixedly installed on the inner wall of the installation sleeve (2), and the guide rod (8) is slidably arranged on the guide plate (9).
3. The automatic locking structure of a mechanical rotating shaft according to claim 1, wherein a return spring (15) is sleeved on the compression bar (3), one end of the return spring (15) is fixedly connected with the side wall of the mounting seat (11), and the other end of the return spring (15) is fixedly connected with the inner wall of the mounting sleeve (2).
4. The automatic locking structure of a mechanical rotating shaft according to claim 1, wherein a pressing plate is fixedly connected to one end of the pressing rod (3) away from the mounting seat (11), and the pressing plate is located outside the mounting sleeve (2).
5. The automatic locking structure of a mechanical rotating shaft according to claim 1, wherein an annular chute (17) communicated with the positioning hole (10) is formed in the outer wall of the installation sleeve (2), a sliding ring (16) is slidably connected in the annular chute (17), a sliding sleeve (4) is slidably sleeved on the outer wall of the installation sleeve (2), and the outer wall of the sliding ring (16) is fixedly connected with the inner wall of the sliding sleeve (4).
6. The automatic locking structure of a mechanical rotating shaft according to claim 5, wherein a thrust spring (18) is fixedly connected to a side wall of the sliding ring (16), and one end of the thrust spring (18) away from the sliding ring (16) is fixedly connected with an inner wall of the annular chute (17).
7. The automatic locking structure of mechanical rotating shaft according to claim 5, wherein the outer wall of the sliding sleeve (4) is integrally formed with anti-slip lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323227989.3U CN221074982U (en) | 2023-11-29 | 2023-11-29 | Automatic locking structure of mechanical rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323227989.3U CN221074982U (en) | 2023-11-29 | 2023-11-29 | Automatic locking structure of mechanical rotating shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221074982U true CN221074982U (en) | 2024-06-04 |
Family
ID=91259355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323227989.3U Active CN221074982U (en) | 2023-11-29 | 2023-11-29 | Automatic locking structure of mechanical rotating shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221074982U (en) |
-
2023
- 2023-11-29 CN CN202323227989.3U patent/CN221074982U/en active Active
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| GR01 | Patent grant | ||
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