CN204497078U - Mechanism pressed by a kind of unit switch - Google Patents
Mechanism pressed by a kind of unit switch Download PDFInfo
- Publication number
- CN204497078U CN204497078U CN201520270856.0U CN201520270856U CN204497078U CN 204497078 U CN204497078 U CN 204497078U CN 201520270856 U CN201520270856 U CN 201520270856U CN 204497078 U CN204497078 U CN 204497078U
- Authority
- CN
- China
- Prior art keywords
- lock
- lockwheel
- depression bar
- push rod
- projection
- 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.)
- Active
Links
Landscapes
- Push-Button Switches (AREA)
Abstract
The utility model relates to a kind of unit switch and presses mechanism, comprises, lock, bottom, push rod, lockwheel, depression bar and back-moving spring, and when push rod is pressed, drive depression bar to pass bottom and stretch out lock, when again pressing depression bar, depression bar bounces back back again in lock.Of the present utility modelly press mechanism, press the movable member push rod of mechanism, lockwheel and back-moving spring to be all fixed in lock, only reserve depression bar and pass lock as contact trigger unit, by lock by push rod, lockwheel and back-moving spring and Knob mechanisms isolated, push rod, lockwheel, depression bar all do not contact with Knob mechanisms with back-moving spring, also would not interfere with the action of the knob driving mechanism in unit switch.
Description
Technical field
The utility model relates to a kind of unit switch and presses mechanism, belongs to appliance switch technical field.
Background technology
At present on small domestic appliance in order to these two functions of the commutation and start/stop that realize direct current machine both positive and negative polarity, common solution is arrange two separate and constructions of switch be cascaded respectively, namely arrange push-button switch to start to the closed and disconnected carrying out circuit to control direct current machine and stop, rotary switch or relay are set to realize the commutation of direct current machine both positive and negative polarity.Above-mentioned set-up mode element is many, and owing to adopting absolute construction, the space that global switch structure takies in complete machine is large, and structure is compact not, can not adapt to the development trend of present household electrical appliance miniaturization, and in addition, during employing relay, cost is also very high.
Push-button switch and rotary switch are combined formation unit switch, the problem that global switch structure is large in the space taken can be solved, make structure more compact.But when push-button switch and rotary switch are integrated into a unit switch; usually can mutually disturb between button mechanism and Knob mechanisms; in addition; button driving mechanism does rectilinear motion mostly; and Knob mechanisms rotates; when both are combined, rub between the rotating parts meeting of Knob mechanisms and the parts of button mechanism, and cause switch to reduce useful life.
Utility model content
For this reason; when technical problem to be solved in the utility model is, in prior art, push-button switch and rotary switch are integrated into a unit switch; the problem usually can mutually disturbed between button driving mechanism and knob driving mechanism, thus propose a kind of can not disturb the action of knob driving mechanism press mechanism.
For solving the problems of the technologies described above, mechanism pressed by a kind of unit switch of the present utility model, comprises, lock, the center of lock has the installation through hole running through whole lock vertically, via bottoms being installed and having mounted cover bottom, along forming axial groove vertically on the inwall of lock, between two axial grooves, forming 2 internal tooths, described lock is stretched out on the top of push rod, further, on the outer wall of bottom, form the push rod projection being positioned at axial groove, the bottom of push rod forms some lower tooths; The top of lockwheel extend into push rod inside, and corresponding lower tooth forms the lockwheel projection of some protrusions on the outer wall of bottom; Lockwheel inside is stretched on the top of depression bar and bottom passes from the bottom through hole be arranged on bottom, and back-moving spring is set on depression bar, and applies the power towards lockwheel direction to depression bar all the time; Pressing push rod, push rod projection and lockwheel projection axially groove, towards the motion of depression bar direction, promote depression bar and stretch out lock, when lockwheel projection departs from axial groove, under the guide effect of internal tooth, lockwheel is rotated and is resisted against on first internal tooth by lockwheel projection, makes depression bar keep stretching out state; Again press push rod, under the guide effect of internal tooth, lockwheel projection is crossed second internal tooth and is entered in next axial groove, lockwheel projection lose against, and depression bar is bounced back.
Mechanism pressed by unit switch of the present utility model, the top of depression bar forms cylindrical bump, the cylinder that diameter is less than cylindrical bump is formed above cylindrical bump, form maximum gauge above cylinder and be not more than cylindrical frustum of a cone portion, the bottom of lockwheel forms and cylinder engagement and the cylindrical hole that coordinates with frustum of a cone portion.
Mechanism pressed by unit switch of the present utility model, and the bottom of depression bar forms two symmetrical inclined-planes.
Mechanism pressed by unit switch of the present utility model, lock has columnar lock cylindrical shell and the lock base vertical with lock cylindrical shell axis being arranged on lock cylindrical shell bottom, the reducer that the external diameter that described lock cylindrical shell has cross section increases from the top of lock cylindrical shell gradually towards direction, bottom and be positioned at constant isometrical section of the external diameter of the cross section bottom reducer, the external diameter of described isometrical section is not less than the external diameter of reducer.
Mechanism pressed by unit switch of the present utility model, the shape of cross section of bottom through hole comprises, there is the rectangular through-hole identical with the shape of cross section of depression bar body, the depressed part being formed and do not contact with depression bar body surface and four of rectangular through-hole sides all cave inward.
Mechanism pressed by unit switch of the present utility model, the centre position of lock base is upwards recessed to form the base holding tank for holding bottom, button hole is formed in base holding tank, bottom forms the bottom buckle perpendicular to bottom plane, bottom buckle snaps onto in button hole and bottom is fixed on lock base.
Mechanism pressed by unit switch of the present utility model, and the end face of lock base is also provided with the annulus projection of annular, and the central shaft of annulus projection and the central shaft conllinear of lock cylindrical shell are arranged.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) of the present utility modelly mechanism is pressed, press the movable member push rod of mechanism, lockwheel and back-moving spring to be all fixed in lock, only reserve depression bar and pass lock as contact trigger unit, by lock by push rod, lockwheel and back-moving spring and Knob mechanisms isolated, push rod, lockwheel, depression bar all do not contact with Knob mechanisms with back-moving spring, also would not disturb the action of knob driving mechanism.
(2) of the present utility modelly mechanism is pressed, the top of depression bar is arranged the frustum of a cone, cylindrical bump and cylinder and forms stair-stepping structure, when ensureing that depression bar is installed to below lockwheel, depression bar aims at conllinear mutually with lockwheel axis, improves the accuracy of depression bar position.
(3) of the present utility modelly press mechanism, lock be arranged to cone-shaped, when lock can be made to be socketed in other rotatable parts, as in rotating shaft time, the friction area between lock and rotating shaft inwall reduces, and then reduces friction.
(4) of the present utility modelly press mechanism, push rod, lockwheel, depression bar and back-moving spring are all load from lock, after installation by bottom cover clasp on lock, thus push rod, lockwheel, depression bar and back-moving spring to be fixed in lock.Being provided with buckle and button hole, facilitating the loading of push rod, lockwheel, depression bar and back-moving spring, when needing repairing replacing, being also easy to open lock.
(5) of the present utility modelly mechanism is pressed, annulus projection can when unit switch be pressed in mechanism's loading push-button switch, prevent other rotary components from directly contacting with the end face of lock base and rubbing, annulus projection substitute lock base end face and with other rotary components contact friction, significantly reduce friction area, improve the useful life that mechanism pressed by unit switch.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is the explosive view that mechanism pressed by the utility model embodiment unit switch;
Fig. 2 is the longitudinal section that mechanism pressed by the utility model embodiment unit switch;
Fig. 3 is the structural representation of the utility model embodiment lock;
Fig. 4 is the longitudinal section of the utility model embodiment lock;
Fig. 5 a and b is the structural representation of the utility model embodiment push rod;
Fig. 6 a and b is the structural representation of the utility model embodiment lockwheel;
Fig. 7 is the structural representation of the utility model embodiment depression bar;
Fig. 8 is the structural representation of the utility model embodiment bottom;
Fig. 9 a-d is the schematic diagram of movements that mechanism pressed by the utility model unit switch.
In figure, Reference numeral is expressed as: 42-lock; 421-lock cylindrical shell; 422-lock base; 423-annulus is protruding; 424-button hole; 425-axial groove; 426-internal tooth; 44-push rod; 441-square opening and prism; 442-push rod projection; The upper tooth of 443-; 444-push rod circular hole; 45-lockwheel; 451-lower tooth; 452-lockwheel body; 453-lockwheel projection; 454-lockwheel circular hole; 46-depression bar; 461-depression bar body; 462-round boss; 463-inclined-plane; 464-cylindrical bump; 465-frustum of a cone portion; 47-back-moving spring; 48-bottom; 481-bottom through hole; 482-bottom buckle.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in detail.
The present embodiment provides a kind of unit switch to press mechanism, comprise, lock 42, the center of lock 42 has the installation through hole running through whole lock 42 vertically, via bottoms is installed and has mounted cover bottom 48, along forming axial groove 425 vertically on the inwall of lock 42,2 internal tooths 426 are formed between two axial grooves 425, described lock 42 is stretched out on the top of push rod 44, and, on the outer wall of bottom, form the push rod projection 442 being positioned at axial groove 425, the bottom of push rod 44 forms some lower tooths 451; The top of lockwheel 45 extend into push rod 44 inside, and corresponding lower tooth 451 forms some protrusion lockwheel projections 453 on the outer wall of bottom; Lockwheel 45 inside is stretched on the top of depression bar 46 and bottom passes from the bottom through hole 481 be arranged on bottom 48, and back-moving spring 47 is set on depression bar 46, and applies the power towards lockwheel 45 direction to depression bar 46 all the time; Pressing push rod 44, push rod projection 442 and lockwheel projection 453 axially groove 425 move towards depression bar 46 direction, promote depression bar 46 and stretch out lock 42, when lockwheel projection 453 departs from axial groove 425, under the guide effect of internal tooth 426, lockwheel 45 is rotated and is resisted against on first internal tooth 426 by lockwheel projection 453, makes depression bar 46 keep stretching out state; Again press push rod 44, under the guide effect of internal tooth 426, lockwheel projection 453 crosses second internal tooth 426, enters in next axial groove 425, lockwheel projection 453 lose against, and depression bar 46 is bounced back.
For being rotationally connected between push rod 44 and lockwheel 45, lockwheel 45 can rotate relative to push rod 44, particularly, the connected mode between push rod 44 and lockwheel 45 is: the bottom of push rod 44 forms push rod circular hole 444, and lockwheel 45 has the cylindrical lockwheel body 452 that top extend into push rod circular hole 444; For being rotationally connected between lockwheel 45 and depression bar 46, depression bar 46 is fixing and do not rotate with lockwheel 45, and particularly, lockwheel 45 bottom forms lockwheel circular hole 454, and depression bar 46 top has frustum of a cone portion 465, and frustum of a cone portion 465 extend in lockwheel circular hole 454; Cylindrical bump 464 is formed below the round boss 462 of depression bar 46, inwall and the bottom 48 of this radial protuberance 464 and lock 42 coordinate the space being formed and hold back-moving spring 47, back-moving spring 47 one end is resisted against on radial protuberance 464, and the other end is resisted against on bottom 48;
In the present embodiment, pressing the movable member push rod 44 of mechanism, lockwheel 45 and back-moving spring 47 is all fixed in lock 42, only reserve depression bar 46 and pass lock 42 as contact trigger unit, by lock 42 by isolated to push rod 44, lockwheel 45 and back-moving spring 47 and Knob mechanisms, push rod 44, lockwheel 45, depression bar 46 all do not contact with Knob mechanisms with back-moving spring 47, also would not disturb the action of knob driving mechanism.
Mechanism pressed by the unit switch of the present embodiment, the top of depression bar 46 forms cylindrical bump 464, the cylinder 462 that diameter is less than cylindrical bump 464 is formed above cylindrical bump 464, form the round platform portion 465 that maximum gauge is not more than cylinder 462 above cylinder 462, the bottom of lockwheel 45 forms and cylinder 462 and the cylindrical hole that coordinates with frustum of a cone portion 465.
The top of depression bar 46 is arranged frustum of a cone portion 465, cylindrical bump 464 and cylinder 462 and form stair-stepping structure, when ensureing that depression bar 46 is installed to below lockwheel 45, depression bar 46 aims at conllinear mutually with lockwheel 45 axis, improves the accuracy of depression bar 46 position.
Mechanism pressed by the unit switch of the present embodiment, and the bottom of depression bar 46 forms two symmetrical inclined-planes 463.
Touched by the feeler lever of inclined-plane 463 to two switches in below, make depression bar 46 both sides all be subject to the effect of power, make the stressed maintenance balance of depression bar 46, prevent depression bar 46 from making because one direction is stressed position loosen.
Mechanism pressed by the unit switch of the present embodiment, lock 42 has columnar lock cylindrical shell 421 and the lock base 422 vertical with lock cylindrical shell 421 axis being arranged on lock cylindrical shell 421 bottom, the reducer that the external diameter that described lock cylindrical shell 421 has cross section increases from the top of lock cylindrical shell 421 gradually towards direction, bottom and be positioned at constant isometrical section of the external diameter of the cross section bottom reducer, the external diameter of described isometrical section is not less than the external diameter of reducer.
Lock 42 is arranged to cone-shaped, when lock 42 can be made to be socketed in other rotatable parts, as in rotating shaft time, the friction area between lock 42 and rotating shaft inwall reduces, so reduce friction.
Mechanism pressed by the unit switch of the present embodiment, the shape of cross section of bottom through hole 481 comprises, there is the rectangular through-hole identical with the shape of cross section of depression bar body 461, and four of rectangular through-hole sides all cave inward formed not with the depressed part of depression bar body 461 surface contact.
Mechanism pressed by the unit switch of the present embodiment, the centre position of lock base 422 is upwards recessed to form the base holding tank for holding bottom 48, button hole 424 is formed in base holding tank, bottom 48 forms the bottom buckle 482 perpendicular to bottom plane, bottom buckle 482 snaps onto in button hole 424 and bottom 48 is fixed on lock base 422.
Mechanism pressed by the unit switch of the present embodiment, push rod 44, lockwheel 45, depression bar 46 and back-moving spring 47 are all load from lock 42, after installation, bottom 48 is being buckled on lock 42, thus push rod 44, lockwheel 45, depression bar 46 and back-moving spring 47 are being fixed in lock 42.Being provided with bottom buckle 482 and button hole 424, facilitating the loading of push rod 44, lockwheel 45, depression bar 46 and back-moving spring 47, when needing repairing replacing, being also easy to open lock 42.
Mechanism pressed by the unit switch of the present embodiment, and the end face of lock base 422 is also provided with the annulus projection 423 of annular, and the central shaft of annulus projection 423 and the central shaft conllinear of lock cylindrical shell 421 are arranged.
Annulus projection 423 can when unit switch be pressed in mechanism's loading push-button switch, prevent other rotary components from directly contacting with the end face of lock base 422 and rubbing, annulus protruding 423 substitute lock base 422 end face and with other rotary components contact friction, significantly reduce friction area, improve the useful life that mechanism pressed by unit switch.
In order to the operating principle of button Drive Structure is described, as shown in Fig. 9 a-9d, for upper tooth 443, internal tooth 426, the interaction diagram of lower tooth 451 and axial groove 425, situation when display be stretching structure is initial condition in Fig. 9 a, now push rod 44 is in the state of upspringing, push rod projection 442 and lockwheel projection 453 lay respectively in axial groove 425, lockwheel projection 453 cannot rotate by the restriction of axial groove 425, promote push rod 44 to move downward, push rod 44 promotes lockwheel 45 and moves downward, thus lockwheel projection 453 is released axial groove 425, as shown in figure 9b, now, upper tooth 443 forms coplanar inclined-plane with the flank of tooth of lower tooth 451 and the flank of tooth of close internal tooth 426, effect lockwheel projection 453 by back-moving spring 47 elastic force can slide along inclined-plane, lockwheel 45 entirety rotates, until lockwheel projection 453 drops in the teeth groove of internal tooth 426, as is shown in fig. 9 c, restriction lockwheel 45 by teeth groove cannot rotate and move, lockwheel 45 completes certain displacement downwards compared with initial condition, this displacement ensure that the second feeler lever 211 of second switch 21 touched by depression bar 46 always, make second switch 21 conducting, again press lower push-rod 44, lockwheel 45 is ejected teeth groove by push rod 44, as shown in figure 9d, upper tooth 443 and lockwheel projection 453 hackly surface and the flank of tooth of close internal tooth 426 form again coplanar inclined-plane, effect lockwheel projection 453 by back-moving spring 47 elastic force continues to slide along inclined-plane, lockwheel 45 entirety rotates, lockwheel projection 453 finally drops in axial groove 425, stretching structure restPoses, button 41 is upspring, the feeler lever 211 of second switch 21 no longer touched by depression bar 46, and second switch 21 recovers to disconnect.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And thus the apparent change of extending out or variation be still among the protection range that the utility model creates.
Claims (7)
1. mechanism pressed by a unit switch, it is characterized in that, comprise, lock (42), the center of lock (42) has the installation through hole running through whole lock (42) vertically, via bottoms is installed and has mounted cover bottom (48), along forming axial groove (425) vertically on the inwall of lock (42), 2 internal tooths (426) are formed between two axial grooves (425), described lock (42) is stretched out on the top of push rod (44), and, the push rod projection (442) being positioned at axial groove (425) is formed on the outer wall of bottom, the bottom of push rod (44) forms some lower tooths (451), the top of lockwheel (45) extend into push rod (44) inside, and corresponding lower tooth (451) forms the lockwheel projection (453) of some protrusions on the outer wall of bottom, lockwheel (45) inside is stretched on the top of depression bar (46) and bottom passes from the bottom through hole (481) be arranged on bottom (48), back-moving spring (47) is set on depression bar (46), and applies the power towards lockwheel (45) direction to depression bar (46) all the time, pressing push rod (44), push rod projection (442) and lockwheel projection (453) axially groove (425) move towards push rod (44) direction, promote depression bar (46) and stretch out lock (42), when lockwheel projection (453) departs from axial groove (425), under the guide effect of internal tooth (426), lockwheel (45) is rotated and is resisted against on first internal tooth (426) by lockwheel projection (453), makes depression bar (46) keep stretching out state, again press push rod (44), under the guide effect of internal tooth (426), lockwheel projection (453) is crossed second internal tooth (426) and is entered in next axial groove (425), lockwheel projection (453) lose against, and depression bar (46) is bounced back.
2. mechanism pressed by unit switch according to claim 1, it is characterized in that, the top of depression bar (46) forms cylindrical bump (464), cylindrical bump (464) top forms the cylinder (462) that diameter is less than cylindrical bump (464), cylinder (462) top forms the frustum of a cone portion (465) that maximum gauge is not more than cylinder (462), and the bottom of lockwheel (45) forms the cylindrical hole coordinating with cylinder (462) and coordinate with frustum of a cone portion (465).
3. mechanism pressed by unit switch according to claim 2, it is characterized in that, the bottom of depression bar (46) forms two symmetrical inclined-planes (463).
4. mechanism pressed by the unit switch according to any one of claim 1-3, it is characterized in that, lock (42) has columnar lock cylindrical shell (421) and the lock base (422) vertical with lock cylindrical shell (421) axis being arranged on lock cylindrical shell (421) bottom, the reducer that the external diameter that described lock cylindrical shell (421) has cross section increases from the top of lock cylindrical shell (421) gradually towards direction, bottom and be positioned at constant isometrical section of the external diameter of the cross section bottom reducer, the external diameter of described isometrical section is not less than the external diameter of reducer.
5. mechanism pressed by unit switch according to claim 4, it is characterized in that, the shape of cross section of bottom through hole (481) comprises, there is the rectangular through-hole identical with the shape of cross section of depression bar body (461), and four of rectangular through-hole sides all cave inward formed not with the depressed part of depression bar body (461) surface contact.
6. mechanism pressed by unit switch according to claim 4, it is characterized in that, the centre position of lock base (422) is upwards recessed to form the base holding tank for holding bottom (48), button hole (424) is formed in base holding tank, bottom (48) forms the bottom buckle (482) perpendicular to bottom plane, bottom buckle (482) snaps onto in button hole (424) and bottom (48) is fixed on lock base (422).
7. mechanism pressed by unit switch according to claim 4, it is characterized in that, the end face of lock base (422) is also provided with the annulus projection (423) of annular, and the central shaft of annulus projection (423) and the central shaft conllinear of lock cylindrical shell (421) are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520270856.0U CN204497078U (en) | 2015-04-29 | 2015-04-29 | Mechanism pressed by a kind of unit switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520270856.0U CN204497078U (en) | 2015-04-29 | 2015-04-29 | Mechanism pressed by a kind of unit switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204497078U true CN204497078U (en) | 2015-07-22 |
Family
ID=53576373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520270856.0U Active CN204497078U (en) | 2015-04-29 | 2015-04-29 | Mechanism pressed by a kind of unit switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204497078U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108797766A (en) * | 2018-06-22 | 2018-11-13 | 李克全 | A kind of lifting floor drain |
| CN114523480A (en) * | 2022-02-18 | 2022-05-24 | 合肥合滨智能机器人有限公司 | Ultrasonic probe quick-change transverse hand grasping device |
-
2015
- 2015-04-29 CN CN201520270856.0U patent/CN204497078U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108797766A (en) * | 2018-06-22 | 2018-11-13 | 李克全 | A kind of lifting floor drain |
| CN114523480A (en) * | 2022-02-18 | 2022-05-24 | 合肥合滨智能机器人有限公司 | Ultrasonic probe quick-change transverse hand grasping device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204497078U (en) | Mechanism pressed by a kind of unit switch | |
| CN204497186U (en) | A kind of unit switch | |
| CN205975090U (en) | Washing machine | |
| CN105336532B (en) | A kind of anti-error switch of knob | |
| US20190264924A1 (en) | Timing Assembly and Toaster Oven | |
| CN212967499U (en) | Key switch | |
| CN208570444U (en) | A kind of rotary operation driving structure of New Type Isolating Switch | |
| CN105792583B (en) | A kind of three proofings mobile terminal | |
| CN110047686A (en) | A kind of push type rotary switch of waterproof | |
| CN201465938U (en) | Residual current circuit breaker | |
| CN211047475U (en) | Input device of household appliance | |
| CN203277106U (en) | Gear type guiding switching device | |
| CN203839256U (en) | Microswitch | |
| CN104505295B (en) | A kind of rocker switch | |
| CN204011195U (en) | The anti-error switch of a kind of knob | |
| CN104977846B (en) | A kind of control method of watchcase component, intelligent watch and intelligent watch | |
| CN210349644U (en) | Self-locking double-loop key switch | |
| CN204559664U (en) | Intelligent terminal | |
| CN203552980U (en) | Key switch with lamp | |
| CN208834953U (en) | A kind of switch button | |
| CN202662503U (en) | One-key control switch group | |
| CN208000861U (en) | A kind of semi-automatic twist button switch | |
| CN201417680Y (en) | Spinning contact switch | |
| CN107026043B (en) | Double fine motions limit universal switch | |
| CN205911207U (en) | Snap -through rotary switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |