CN219911959U - Hand wheel mechanism with rotating shaft protection structure - Google Patents
Hand wheel mechanism with rotating shaft protection structure Download PDFInfo
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- CN219911959U CN219911959U CN202321084850.5U CN202321084850U CN219911959U CN 219911959 U CN219911959 U CN 219911959U CN 202321084850 U CN202321084850 U CN 202321084850U CN 219911959 U CN219911959 U CN 219911959U
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- hand wheel
- separation
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- protection structure
- clamping
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- 238000000926 separation method Methods 0.000 claims abstract description 52
- 238000009434 installation Methods 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000033001 locomotion Effects 0.000 claims description 7
- 230000003028 elevating effect Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000000670 limiting effect Effects 0.000 description 16
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
The utility model provides a hand wheel mechanism with a rotating shaft protection structure, which comprises a hand wheel seat, an elastic buffer piece, a hand wheel assembly and a separation joint, wherein an installation cavity is arranged in the hand wheel seat, a hand wheel through hole is arranged on the hand wheel seat, a limit boss is arranged at the lower end of the hand wheel assembly, a first clamping groove is arranged at the lower end surface of the limit boss, a first separation guide surface is arranged in the first clamping groove, the separation joint is arranged on the rotating shaft, and a first clamping joint is arranged on the separation joint. The beneficial effects are as follows: can effectually solve among the prior art when operating electric actuator's hand wheel mechanism, can appear the cracked problem of pivot, through using this product structure, when knob moment is greater than setting up the standard, first joint can break away from first draw-in groove through first separation guide surface to avoid the condition that causes the damage to the pivot when the moment is too big, can also play when reducing processing cost and remind operating personnel to reach knob furthest.
Description
Technical Field
The utility model relates to the technical field of electric actuators, in particular to a hand wheel mechanism with a rotating shaft protection structure.
Background
The electric actuator is a key part of an automatic control system. It receives a direct current signal from the control board. And converts the angular velocity or the straight travel deviation into relative angular velocity or straight travel deviation to control the operation tissues such as gate valves, baffle plates and the like so as to realize an automatic control system. The actuator uses a liquid, gas, electric or other energy source and converts it into a driving action by means of an electric motor, cylinder or other device. The power component of the hand wheel telescopic electric actuator mainly comprises a motor, a speed reducer, a moment travel limiter, a switch control box, a hand wheel, a mechanical limiting device, a position transmitter and the like.
The hand wheel of the electric actuator is used in fault state and debugging process, and the hand wheel is rotated to drive the rotating shaft on the electric actuator to realize manual on-site operation.
Because the difference of operating personnel control hand wheel dynamics, at the in-process to electric actuator pivot twist, can appear the cracked condition of pivot, current in-line way is through the mode of increasing the pivot diameter to avoid because the too big cracked condition of pivot of operating personnel operating torque, but adopts this mode, has increaseed installation space to specific scene, the cracked condition of pivot still can't be solved to the very little condition of pivot, has improved manufacturing cost.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides a hand wheel mechanism with a rotating shaft protection structure, which solves the problem that the rotating shaft is broken due to different operation forces of operators when the hand wheel mechanism of an electric actuator is operated in the prior art.
The utility model discloses a hand wheel mechanism with a rotating shaft protection structure, which comprises a hand wheel seat, an elastic buffer piece, a hand wheel component and a separation joint, wherein an installation cavity matched with the elastic buffer piece is arranged in the hand wheel seat, a hand wheel through hole matched with the hand wheel component is arranged on the hand wheel seat, a limiting boss is arranged at the lower end of the hand wheel component, the limiting boss can be matched with the installation cavity to limit the elastic buffer piece, the elastic buffer piece can be matched with the hand wheel component to provide lifting motion buffer, a first clamping groove is arranged at the lower end surface of the limiting boss, a first separation guide surface is arranged in the first clamping groove, the separation joint is fixedly arranged at one end of the rotating shaft facing the hand wheel component, a first clamping joint matched with the first clamping groove is arranged on the separation joint, and the hand wheel component can lift the first clamping joint and the first clamping groove through the first separation guide surface according to a set standard.
According to the utility model, the first clamping connector is provided with the second separation guide surface matched with the first separation guide surface, and the second separation guide surface can enable the cooperation between the separation connector and the hand wheel assembly to be more stable.
According to the utility model, the number of the first clamping grooves and the first clamping connectors is two, the two groups of the first clamping grooves are symmetrically arranged, and the stability between the separation connector and the hand wheel assembly can be further improved by the two groups of the first clamping grooves.
According to the utility model, a second clamping connector is arranged between two adjacent sides of the two groups of first clamping grooves, a second clamping groove is arranged between two adjacent sides of the two groups of first clamping connectors, the second clamping connector is clamped with the second clamping groove, and the end parts of the first clamping connector and the end part of the second clamping connector are planes.
The utility model is further improved, and the hand wheel assembly comprises an adjusting hand wheel and a hand wheel transmission rod, and the hand wheel transmission rod is fixedly connected with the adjusting hand wheel.
The utility model is further improved, a plurality of groups of anti-skid convex blocks are arranged on the adjusting hand wheel, and the anti-skid convex blocks are arranged at equal intervals.
The utility model is further improved, and the first separation guide surface is a spiral cambered surface.
According to the utility model, the first separating guide surfaces are arranged on two sides of the first clamping groove, and the two groups of first separating guide surfaces can separate the hand wheel assembly from the rotating shaft in the clockwise or anticlockwise direction.
The utility model is further improved in that the elastic buffer is a spring.
The utility model further improves, also comprises a limit seat, the upper end of the hand wheel seat is provided with a mounting hole which is matched with the limit seat, the limit seat is provided with external threads, the inner wall of the mounting cavity is provided with internal threads which are matched with the limit seat, and the limit seat can adjust the elasticity of the elastic buffer piece to the hand wheel component through lifting movement in the mounting cavity.
Compared with the prior art, the utility model has the beneficial effects that: adopt its mechanism, can effectually solve among the prior art when operating electric actuator's hand wheel mechanism, because operating personnel operation dynamics is different, can appear the cracked problem of pivot, through using this product structure, first joint sets up in first draw-in groove, when knob moment is greater than the setting standard, first joint can break away from first draw-in groove through first separation guide surface, block the linkage effect of hand wheel subassembly and separation joint, thereby avoid the condition of the damage that appears causing the pivot when the moment is too big, can also play the warning operating personnel when reducing processing cost and reach knob furthest, operating efficiency has been improved.
Drawings
In order to more clearly illustrate the utility model or the solutions of the prior art, a brief description will be given below of the drawings used in the description of the embodiments or the prior art, it being obvious that the drawings in the description below are some embodiments of the utility model and that other drawings can be obtained from them without the inventive effort of a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of an exploded construction of the present utility model;
FIG. 3 is a schematic view of the handle drive rod structure;
fig. 4 is a schematic view of a split joint structure.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; the terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
In order to make the person skilled in the art better understand the solution of the present utility model, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings.
As shown in fig. 1 to 4, the hand wheel mechanism with the rotating shaft protection structure comprises a hand wheel seat 1, an elastic buffer 2, a hand wheel assembly and a separation joint 3.
The hand wheel seat 1 is internally provided with an installation cavity, and the elastic buffer piece 2 is arranged in the installation cavity.
The upper end of the hand wheel seat 1 is provided with a mounting hole 11 communicated with a mounting cavity, a limiting seat 12 is arranged in the mounting hole 11, an external thread is arranged on the limiting seat 12, an internal thread matched with the external thread of the limiting seat 12 is arranged on the inner wall of the mounting cavity, and the limiting seat 12 limits the upper end of the elastic buffer 2.
The hand wheel assembly comprises an adjusting hand wheel 4 and a hand wheel transmission rod 5, one end of the hand wheel transmission rod 5 is fixedly connected with the adjusting hand wheel 4 through screws, a hand wheel through hole 121 matched with the hand wheel transmission rod 5 is formed in a limit seat 12, the hand wheel transmission rod 5 penetrates through the hand wheel through hole 121, a limit boss 51 is arranged at one end, far away from the adjusting hand wheel 4, of the hand wheel transmission rod 5, and the limit boss 51 limits the lower end of the elastic buffer piece 2.
Through the cooperation between installation cavity, spacing seat 12 and the spacing boss 51 three, can be accurate fix a position elastic buffer 2 to because the threaded connection of spacing seat 12 and installation cavity makes spacing seat 12 can carry out elevating movement in the installation cavity, adjusts elastic buffer 2 to the elasticity of hand wheel subassembly, thereby realizes that the hand wheel subassembly can produce decurrent pressure with the pivot, and is more stable with pivot tangential, avoids the hand wheel subassembly to be connected the skew condition with the pivot.
It is obvious that the upper end of the hand wheel seat 1 is provided with a mounting hole 11 communicated with the mounting cavity, the mounting hole 11 is internally provided with a limiting seat 12, the upper end of the elastic buffer member 2 is limited by the limiting seat 12, the limiting seat is not limited by the limiting mode, the mounting cavity can be arranged in a semi-open mode, the upper end of the elastic buffer member 2 is limited by the inner wall of the upper end of the hand wheel seat 1, or a limiting block is arranged in the mounting cavity, and the limiting effect can be realized.
The separation joint 3 is connected with the rotating shaft of the electric actuator, the installation clamping hole 31 is arranged in the separation joint 3, and the rotating shaft is arranged in the installation clamping hole 31 to ensure that the separation joint 3 and the rotating shaft are relatively fixed.
The limiting boss 51 bottom is provided with the linking arm, is provided with first draw-in groove 511 on the linking arm, is provided with first separation guide surface 512 on first draw-in groove 511 both sides, is provided with on the separation joint 3 with first draw-in groove 511 complex first joint 32.
Under the initial condition, first joint 32 is the joint cooperation with first draw-in groove 511, realize adjusting the linkage of hand wheel 4 and pivot, when the moment that operating personnel twists adjusting the hand wheel 4 is greater than the setting value, hand wheel transfer line 5 can not continue to drive the pivot and link, because the cooperation of elastic buffer 2 and first separation guide surface 512, first joint 32 can break away from first draw-in groove 511 gradually along first separation guide surface 512, hand wheel transfer line 5 moves upwards gradually, realize the protection to the pivot, avoid appearing the moment too big, lead to the fracture of pivot.
And the first separation guide surfaces 512 are arranged on the two sides of the first clamping groove 511, so that the hand wheel transmission rod 5 and the rotating shaft can be separated in the clockwise or anticlockwise direction.
The first clamping connector 32 side is provided with the second separation guide surface 33 matched with the first separation guide surface 512, the separation connector 3 and the hand wheel transmission rod 5 can be matched more stably through the arrangement of the second separation guide surface 33, and the separation connector 3 and the hand wheel transmission rod 5 are separated more efficiently and smoothly.
The number of the first clamping grooves 511 is two, the two groups of the first clamping grooves 511 are symmetrically arranged, the number of the first clamping joints 32 is also two, and the two groups of the first clamping joints 32 are in one-to-one correspondence with the two groups of the first clamping grooves 511.
The separation joint 3 and the hand wheel transmission rod 5 can be matched and connected more stably through the arrangement of the two groups of first clamping grooves 511.
The second clamping connectors 513 are arranged between the two adjacent sides of the two groups of first clamping grooves 511, the second clamping grooves 34 are arranged between the two adjacent sides of the two groups of first clamping connectors 32, the second clamping connectors 513 are clamped with the second clamping grooves 34, and the cooperation between the second clamping connectors 513 and the second clamping grooves 34 enables the cooperation between the separation connectors 3 and the hand wheel transmission rod 5 to be more stable.
The two sets of second clamping connectors 513 are provided with reinforcing plates 514 on the sides thereof.
The ends of the first clamping connector 32 and the second clamping connector 513 are flat, and when the clamping connector is completely separated from the clamping groove, the flat surfaces between the clamping connectors are matched with each other.
The first separation guide surface 512 and the second separation guide surface 33 are spiral cambered surfaces, so that the separation joint 3 and the hand wheel transmission rod 5 are matched to be mutually meshed more tightly through the arrangement of the spiral cambered surfaces, and the spiral is more suitable for guiding of rotating motion.
The regulating handwheel 4 is provided with a plurality of groups of anti-slip bumps 41, the anti-slip bumps 41 are arranged at equal intervals, and the regulating handwheel 4 is not easy to be taken off when in use due to the arrangement of the anti-slip bumps 41.
The elastic buffer 2 is a spring, and the elastic effect can be improved while ensuring lower cost through the spring.
From the above, the beneficial effects of the utility model are as follows: adopt its mechanism, can effectually solve among the prior art when operating electric actuator's hand wheel mechanism, because operating personnel operation dynamics is different, can appear the cracked problem of pivot, through using this product structure, first joint 32 sets up in first draw-in groove 511, when knob moment is greater than setting up the standard, first joint 32 can break away from first draw-in groove 511 through first separation guide surface 512, block the linkage effect of hand wheel subassembly and separation joint 3, thereby the condition of the damage that appears causing the pivot when avoiding moment too big, can also play the warning operating personnel when reducing processing cost and arrive knob furthest, operating efficiency has been improved.
The above embodiments are preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, which includes but is not limited to the embodiments, and equivalent modifications according to the present utility model are within the scope of the present utility model.
Claims (10)
1. A hand wheel mechanism with pivot protection architecture for drive pivot rotation, its characterized in that: including wheel seat, elastic buffer spare, hand wheel subassembly and separation joint, be provided with in the wheel seat with elastic buffer spare complex installation cavity, be provided with on the wheel seat with hand wheel subassembly complex hand wheel through-hole, hand wheel subassembly lower extreme is provided with spacing boss, spacing boss can cooperate the installation cavity is right elastic buffer spare is spacing, elastic buffer spare can cooperate the hand wheel subassembly provides the elevating movement buffering, spacing boss lower terminal surface is provided with first draw-in groove, be provided with first separation guide surface in the first draw-in groove, the fixed setting of separation joint is towards hand wheel subassembly one end, be provided with on the separation joint with first draw-in groove complex first joint, the hand wheel subassembly can be according to the setting standard pass through first separation guide surface carries out elevating movement and realizes first joint with break away from between the first draw-in groove.
2. The hand wheel mechanism with a rotation shaft protection structure according to claim 1, wherein: the first clamping connector side be provided with first separation guide surface complex second separation guide surface, the second separation guide surface can make the cooperation between separation connector and the hand wheel subassembly is more stable.
3. The hand wheel mechanism with a rotation shaft protection structure according to claim 2, wherein: the first clamping grooves are two groups of the first clamping connectors, the two groups of the first clamping grooves are symmetrically arranged, and the stability between the separation connector and the hand wheel assembly can be further improved.
4. A hand wheel mechanism with shaft protection structure according to claim 3, characterized in that: two groups of first clamping grooves are adjacent to each other in two sides, a second clamping groove is adjacent to each other in two groups of first clamping grooves in two sides, the second clamping grooves are clamped with the second clamping grooves, and the end parts of the first clamping grooves and the end parts of the second clamping grooves are planes.
5. The hand wheel mechanism with a rotation shaft protection structure according to claim 1, wherein: the hand wheel assembly comprises an adjusting hand wheel and a hand wheel transmission rod, and the hand wheel transmission rod is fixedly connected with the adjusting hand wheel.
6. The hand wheel mechanism with shaft protection structure of claim 5, wherein: and a plurality of groups of anti-skid convex blocks are arranged on the regulating hand wheel, and the anti-skid convex blocks are arranged at equal intervals.
7. The hand wheel mechanism with a rotation shaft protection structure according to claim 1, wherein: the first separation guide surface is a spiral cambered surface.
8. The hand wheel mechanism with a rotation shaft protection structure according to claim 1, wherein: the two sides of the first clamping groove are respectively provided with a first separation guide surface, and the two groups of first separation guide surfaces can separate the hand wheel assembly from the rotating shaft clockwise or anticlockwise.
9. The hand wheel mechanism with shaft protection structure according to any one of claims 1-8, wherein: the elastic buffer piece is a spring.
10. The hand wheel mechanism with shaft protection structure according to any one of claims 1-8, wherein: still include spacing seat, the wheel seat upper end be provided with spacing seat cooperation installation's mounting hole, be provided with the external screw thread on the spacing seat, be provided with on the installation cavity inner wall with spacing seat complex internal screw thread, spacing seat can be through in the installation cavity elevating movement is adjusted elasticity buffer is right the elasticity of hand wheel subassembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321084850.5U CN219911959U (en) | 2023-05-08 | 2023-05-08 | Hand wheel mechanism with rotating shaft protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321084850.5U CN219911959U (en) | 2023-05-08 | 2023-05-08 | Hand wheel mechanism with rotating shaft protection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219911959U true CN219911959U (en) | 2023-10-27 |
Family
ID=88464771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321084850.5U Active CN219911959U (en) | 2023-05-08 | 2023-05-08 | Hand wheel mechanism with rotating shaft protection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219911959U (en) |
-
2023
- 2023-05-08 CN CN202321084850.5U patent/CN219911959U/en active Active
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