CN207651384U - A kind of keystroke fixing structure for rocker actuator - Google Patents
A kind of keystroke fixing structure for rocker actuator Download PDFInfo
- Publication number
- CN207651384U CN207651384U CN201721401111.9U CN201721401111U CN207651384U CN 207651384 U CN207651384 U CN 207651384U CN 201721401111 U CN201721401111 U CN 201721401111U CN 207651384 U CN207651384 U CN 207651384U
- Authority
- CN
- China
- Prior art keywords
- snak link
- fixing structure
- rocker actuator
- locator protrusions
- side wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of keystroke fixing structure for rocker actuator, including snak link, is tubular structure；The upper end of snak link is equipped with the fixed column for fixing PCB keypads；The outer circle side wall of snak link is equipped with one group of outer locator protrusions；Several slot holes for penetrating through its bottom end are additionally provided on the lateral wall of snak link, the lower part of snak link is divided into several pawl structures by slot hole, clamping protrusion is equipped on the madial wall of each pawl structure；Hand handle cap, top are fixed with the key switch coordinated with PCB keypads.Keystroke fixing structure described in the utility model for rocker actuator realizes its connecting and fixing between control-rod by three pawl structures of snak link lower part.Compared with prior art, assembling process is enormously simplified, efficiency of assembling is improved.By being clamped the coordinating of protrusion and card slot, the cooperation between interior locator protrusions and interior locating slot and position-limited claw, it can ensure being bonded between control-rod and snak link.
Description
Technical field
The utility model belongs to driving and course changing control technical field, more particularly, to a kind of connector.
Background technology
Electric wheelchair be on the basis of traditional manual wheelchair, superposition high-performance power drive unit, smart steering system,
Made of the transformation of the components such as battery, in intelligent operating system, rocking bar is generally mostly used to control the moving direction of electric wheelchair
And movement speed etc..
Existing band button rocker actuator, the support element of PCB keypads are to be fixed on control-rod by fastener
Structure, which so that rocker actuator is more inconvenient in I＆ M, time-consuming and laborious.
Utility model content
In view of this, the utility model is directed to a kind of keystroke fixing structure for rocker actuator, it is existing to solve
In technology, the PCB keypads part-structure of rocker actuator is complicated, and inconvenient problem is safeguarded in assembly.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
A kind of keystroke fixing structure for rocker actuator, including snak link, are tubular structure；The upper end of snak link is set
It is useful for the fixed column of fixed PCB keypads；The outer circle side wall of snak link is equipped with one group of outer locator protrusions；The outside of snak link
Several slot holes for penetrating through its bottom end are additionally provided on wall, the lower part of snak link is divided into several pawl structures, each pawl knot by slot hole
Clamping protrusion is equipped on the madial wall of structure；Hand handle cap, is set in the outside of snak link, inner circle side wall be equipped with it is outer fixed
The mating outer locating slot of position protrusion；The key switch coordinated with PCB keypads is fixed at the top of hand handle cap；Control-rod,
Its outer circle side wall is equipped with several card slots with clamping protrusions match.
Further, there are two the fixed column is total to, and the diameter of one of them is more than another.
Further, two supporting tables are additionally provided on the outer circle side wall of the snak link, two supporting tables are around snak link
Axis is uniformly distributed；The upper end of supporting table is concordant with the top of snak link.
Further, the horizontal line at two fixed column centers and the horizontal line at two supporting table centers are in institute
The position for stating snak link center intersects vertically.
Further, the upper end of the snak link is additionally provided with two inside and outside threading grooves of connection.
Further, there are two the outer locator protrusions is total to, two outer locator protrusions are located at the middle part of the snak link, and enclose
Axis around snak link is uniformly distributed；The area of one of them outer locator protrusions cross section is more than another.
Further, it is additionally provided with two interior locator protrusions in the middle part of the inner circle side wall of the snak link, is set on the control-rod
There is the interior locating slot mating with interior locator protrusions.
Further, the top of the inner circle side wall of the snak link is additionally provided with several position-limited claws, position-limited claw and the control-rod
Upper end offset.
Further, the top of the hand handle cap is equipped with through-hole corresponding with the contact position on the PCB keypads；Institute
It is conductive rubber key to state key switch, and the lower end of lifting part is equipped with current-carrying part, and current-carrying part is as in through-hole.
Compared with the existing technology, the keystroke fixing structure described in the utility model for rocker actuator has following excellent
Gesture：
Keystroke fixing structure described in the utility model for rocker actuator passes through three pawl knots of snak link lower part
Structure realizes its connecting and fixing between control-rod.Compared with prior art, assembling process is enormously simplified, assembly is improved
Efficiency.By being clamped the coordinating of protrusion and card slot, the cooperation between interior locator protrusions and interior locating slot and position-limited claw, Neng Goubao
Being bonded between card control-rod and snak link.
Description of the drawings
The attached drawing for constituting the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The illustrative embodiments and their description of type are not constituted improper limits to the present invention for explaining the utility model.
In attached drawing：
Fig. 1 is the main view of the keystroke fixing structure for rocker actuator described in the utility model embodiment to sectional view；
Fig. 2 is that the axis of the keystroke fixing structure for rocker actuator described in the utility model embodiment surveys explosive view；
Fig. 3 is the enlarged drawing of the parts I in Fig. 2；
Fig. 4 is that the axis of the snak link of the keystroke fixing structure for rocker actuator described in the utility model embodiment is surveyed
Figure；
Fig. 5 be the utility model embodiment described in the keystroke fixing structure for rocker actuator snak link vertical view to
Axonometric drawing；
Fig. 6 be the utility model embodiment described in the keystroke fixing structure for rocker actuator snak link look up to
Axonometric drawing.
Reference sign：
1- key switches；101- current-carrying parts；2- hand handle caps；3-PCB keypads；4- snak links；401- threading grooves；402-
Supporting table；403- is clamped protrusion；The outer locator protrusions of 404-；405- fixed columns；406- position-limited claws；407- slot holes；Positioning in 408-
Protrusion；5- control-rods；Locating slot in 501-；502- card slots.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more this feature.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
Such as Fig. 1-6, the utility model proposes a kind of keystroke fixing structures for rocker actuator, including snak link 4, are
Tubular structure；The upper end of snak link 4 is equipped with the fixed column 405 for fixing PCB keypads 3；It is set on the outer circle side wall of snak link 4
There is one group of outer locator protrusions 404；Several slot holes 407 for penetrating through its bottom end are additionally provided on the lateral wall of snak link 4, snak link 4
Lower part is divided into several pawl structures by slot hole 407, and clamping protrusion 403 is equipped on the madial wall of each pawl structure；Hand handle cap
2, it is set in the outside of snak link 4, inner circle side wall is equipped with the outer locating slot mating with outer locator protrusions 404；Hand
The top of cap 2 is fixed with the key switch 1 coordinated with PCB keypads 3；Control-rod 5, outer circle side wall are equipped with several and card
Connect the card slot 502 of the cooperation of protrusion 403.
PCB keypads 3 are equipped with hole corresponding with fixed column 405.When assembly, PCB keypads 3 are first passed through into fixed column
405 are positioned over the top of snak link 4, then fixed column 405 is heated（Or fixed column 405 is designed as buckle structure）, make PCB by
Keypad 3 is fixed with snak link 4.
There are three slot hole 407 is total, the lower part of snak link 4 is divided into three pawl structures, three pawl structures can be mutual
Separation is gathered, and can realize connecting and fixing between snak link 4 and control-rod 5.
There are two above-mentioned fixed column 405 is total, and the diameter of one of them is more than another.The structure is Anti-error structure, energy
Enough when assembling PCB keypads 3, avoid the direction of installation opposite with design.
Two supporting tables 402 are additionally provided on the outer circle side wall of above-mentioned snak link 4, two supporting tables 402 are around snak link 4
Axis is uniformly distributed；The upper end of supporting table 402 is concordant with the top of snak link 4.Supporting table 402 can play support to PCB keypads 3
Effect, when PCB keypads 3 make for double contact structure, two supporting tables 402 are located at the lower position of two contacts.
The horizontal line at two 405 centers of above-mentioned fixed column and the horizontal line at two 402 centers of above-mentioned supporting table are upper
The position for stating 4 center of snak link intersects vertically.Two fixed columns 405 and two supporting tables 402 form symmetrical four-point supporting knot
Structure, it is effective to ensure that 3 assembly of PCB keypads is firm.
The upper end of above-mentioned snak link 4 is additionally provided with two inside and outside threading grooves 401 of connection.The structure makes to connect with PCB keypads 3
The electric connection line connect can pass through snak link 4.
There are two above-mentioned outer locator protrusions 404 is total, two outer locator protrusions 404 are located at the middle part of above-mentioned snak link 4, and enclose
Axis around snak link 4 is uniformly distributed；The area of one of them 404 cross section of outer locator protrusions is more than another.The structure is mistake proofing
Structure can ensure that the direction when being assembled with snak link 4 of hand handle cap 2 is identical as design, ensure key switch 1 and PCB keypads 3
Proper engagement.Meanwhile outer locator protrusions 404 also plays the role of axial limiting to hand handle cap 2.
Two interior locator protrusions 408 are additionally provided in the middle part of the inner circle side wall of above-mentioned snak link 4, above-mentioned control-rod 5 is equipped with
The mating interior locating slot 501 with interior locator protrusions 408.On the one hand the structure can avoid between snak link 4 and control-rod 5
It rotates, on the other hand can also carry out axial limiting to control-rod 5.
The top of the inner circle side wall of above-mentioned snak link 4 is additionally provided with several position-limited claws 406, position-limited claw 406 and above-mentioned control-rod 5
Upper end offset.The structure further carries out axial limiting to control-rod 5, prevents control-rod 5 from being damaged to PCB keypads 3.
The top of above-mentioned hand handle cap 2 is equipped with through-hole corresponding with the contact position on above-mentioned PCB keypads 3；It is above-mentioned to press
Key switch 1 is conductive rubber key, and the lower end of lifting part is equipped with current-carrying part 101, and current-carrying part 101 is as in through-hole.When
When operator pushes button switch 1, lifting part declines, and current-carrying part 101 is driven to trigger the contact on PCB keypads 3.
Keystroke fixing structure described in the utility model for rocker actuator passes through three pawl knots of 4 lower part of snak link
Structure realizes its connecting and fixing between control-rod 5.Compared with prior art, assembling process is enormously simplified, assembly is improved
Efficiency.By be clamped the coordinating of protrusion 403 and card slot 502, the cooperation between interior locator protrusions 408 and interior locating slot 501 and
Position-limited claw 406 can ensure being bonded between control-rod 5 and snak link 4.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (9)
1. a kind of keystroke fixing structure for rocker actuator, which is characterized in that including：
Snak link（4）, it is tubular structure；Snak link（4）Upper end be equipped with for fixing PCB keypads（3）Fixed column
（405）；Snak link（4）Outer circle side wall be equipped with one group of outer locator protrusions（404）；Snak link（4）Lateral wall on be additionally provided with
Several slot holes for penetrating through its bottom end（407）, snak link（4）Lower part pass through slot hole（407）It is divided into several pawl structures, each pawl
Clamping protrusion is equipped on the madial wall of structure（403）；
Hand handle cap（2）, it is set in snak link（4）Outside, inner circle side wall be equipped with and outer locator protrusions（404）Grafting is matched
The outer locating slot closed；Hand handle cap（2）Top be fixed with and PCB keypads（3）The key switch of cooperation（1）；
Control-rod（5）, outer circle side wall is equipped with several and clamping protrusion（403）The card slot of cooperation（502）.
2. the keystroke fixing structure according to claim 1 for rocker actuator, it is characterised in that：The fixed column
（405）There are two altogether, and the diameter of one of them is more than another.
3. the keystroke fixing structure according to claim 2 for rocker actuator, it is characterised in that：The snak link（4）
Outer circle side wall on be additionally provided with two supporting tables（402）, two supporting tables（402）Around snak link（4）Axis it is uniformly distributed；Support
Platform（402）Upper end and snak link（4）Top it is concordant.
4. the keystroke fixing structure according to claim 3 for rocker actuator, it is characterised in that：Two fixed columns
（405）The horizontal line at center and two supporting tables（402）The horizontal line at center is in the snak link（4）The position at center
It sets and intersects vertically.
5. the keystroke fixing structure according to claim 1 for rocker actuator, it is characterised in that：The snak link（4）
Upper end be additionally provided with two inside and outside threading grooves of connection（401）.
6. the keystroke fixing structure according to claim 1 for rocker actuator, it is characterised in that：The outer locator protrusions
（404）There are two altogether, two outer locator protrusions（404）Positioned at the snak link（4）Middle part, and surround snak link（4）Axis
Line is uniformly distributed；
One of them outer locator protrusions（404）The area of cross section is more than another.
7. the keystroke fixing structure according to claim 1 for rocker actuator, it is characterised in that：The snak link（4）
Inner circle side wall in the middle part of be additionally provided with two interior locator protrusions（408）, the control-rod（5）It is equipped with and interior locator protrusions
（408）Mating interior locating slot（501）.
8. the keystroke fixing structure according to claim 1 for rocker actuator, it is characterised in that：The snak link（4）
The top of inner circle side wall be additionally provided with several position-limited claws（406）, position-limited claw（406）With the control-rod（5）Upper end offset.
9. the keystroke fixing structure according to claim 1 for rocker actuator, it is characterised in that：The hand handle cap（2）
Top be equipped with and the PCB keypads（3）On the corresponding through-hole of contact position；The key switch（1）For conducting resinl
The lower end of button, lifting part is equipped with current-carrying part（101）, current-carrying part（101）As in through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721401111.9U CN207651384U (en) | 2017-10-27 | 2017-10-27 | A kind of keystroke fixing structure for rocker actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721401111.9U CN207651384U (en) | 2017-10-27 | 2017-10-27 | A kind of keystroke fixing structure for rocker actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207651384U true CN207651384U (en) | 2018-07-24 |
Family
ID=62884162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721401111.9U Expired - Fee Related CN207651384U (en) | 2017-10-27 | 2017-10-27 | A kind of keystroke fixing structure for rocker actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207651384U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110444424A (en) * | 2019-07-30 | 2019-11-12 | Oppo（重庆）智能科技有限公司 | Press-key structure and electronic equipment |
| WO2022161010A1 (en) * | 2021-01-26 | 2022-08-04 | 歌尔科技有限公司 | Rocker assembly and electronic device |
-
2017
- 2017-10-27 CN CN201721401111.9U patent/CN207651384U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110444424A (en) * | 2019-07-30 | 2019-11-12 | Oppo（重庆）智能科技有限公司 | Press-key structure and electronic equipment |
| WO2022161010A1 (en) * | 2021-01-26 | 2022-08-04 | 歌尔科技有限公司 | Rocker assembly and electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180724 Termination date: 20181027 |