CN202996616U - Four-tooth end tooth mechanism and button switch with same - Google Patents
Four-tooth end tooth mechanism and button switch with same Download PDFInfo
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- CN202996616U CN202996616U CN 201220695630 CN201220695630U CN202996616U CN 202996616 U CN202996616 U CN 202996616U CN 201220695630 CN201220695630 CN 201220695630 CN 201220695630 U CN201220695630 U CN 201220695630U CN 202996616 U CN202996616 U CN 202996616U
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- end tooth
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- teeth
- support
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Abstract
The utility model discloses a four-tooth end tooth mechanism which comprises a bracket, an end tooth sleeve, an end tooth shaft and an elastic device, wherein the bracket, the end tooth sleeve and the end tooth shaft are connected with the elastic device, the end tooth shaft is provided with four groups of end teeth, each group of end teeth includes a first end tooth and a second end tooth, the tooth height of the second end tooth is lower than that of the first end tooth, a guide groove is arranged among each group of end teeth, the end tooth sleeve and the bracket are arranged in a matching way, the bracket is provided with at least two guide ribs matched with the end teeth, and the end tooth sleeve is provided with at least two convex teeth matched with the end teeth. The utility model further discloses a button switch with the four-tooth end tooth mechanism. The mechanism cannot be blocked when each work cycle is completed due to the arrangement of the four groups of end teeth on the end tooth shaft and due to the fact that, compared with a traditional end tooth structure, the slope of the tooth shape can be designed to help the end tooth shaft to rotate and help push the end tooth sleeve to be away from the end tooth shaft as the height of the second end tooth of the same group of end teeth on the end tooth shaft is lowered.
Description
Technical field
The utility model relates to the switching technique field, especially relates to a kind of 4 increment gear mechanisms and with the push-button switch of 4 increment gear mechanisms.
Background technology
The operation principle of the inner profile of tooth of existing push-button switch is identical with ball pen, is generally 4 groups of tooth-shape structures, often completes a duty cycle, end tooth axle rotation 90o.In actual applications, 4 groups of tooth-shape structures of existing switch, there is certain defective in its profile of tooth gradient design, causes mobility to produce obstacle, and catching phenomenon is occasionally arranged.
Chinese patent literature (the day for announcing: on September 6th, 2006, notification number: CN2814651Y) disclose a kind of novel push button switch, it is by forming by bar assembly, base assembly and actuating mechanism, wherein actuating mechanism is comprised of little axle, movable contact spring assembly, lower stage clip and compression spring, wherein the movable contact spring assembly be contained in little axle top bar the top, lower stage clip is contained in the below that little axle is topped bar, and compression spring is enclosed within by on bar.
Technique scheme is in order to solve the problem of the existing medium and small shaft distortion of push-button switch and the dynamic and static contact spring when working, not solve for mechanism's catching phenomenon.
The utility model content
First purpose of the present utility model is limited in order to solve in prior art the profile of tooth of end tooth, causes mechanism kinematic dumb, the problem of catching phenomenon occurs and a kind of 4 increment gear mechanisms are provided.
Second purpose of the present utility model is limited in order to solve in prior art the inner profile of tooth of push-button switch, causes mechanism kinematic dumb, the problem of catching phenomenon occurs and a kind of push-button switch with 4 increment gear mechanisms is provided.
the utility model realizes that the technical scheme that its first technical purpose adopts is: a kind of 4 increment gear mechanisms, comprise support, end tooth cover and end tooth axle and elastic device, described support, the end tooth cover is connected with elastic device with the end tooth axle, be provided with 4 groups of end teeth on described end tooth axle, the profile of tooth of each group end tooth comprises the first end tooth and the second end tooth, the tooth depth of the second end tooth is lower than the tooth depth of the first end tooth, be provided with gathering sill between each group end tooth, described end tooth cover and support assorted setting, be provided with at least 2 guiding ribs that match with gathering sill on support, end tooth puts and is provided with at least 2 convex teeth that match with the end tooth axle.This end tooth mechanism, the end tooth axle adopts 4 groups of end teeth, and the convex tooth that associated end tooth puts and the upper guiding rib of support are equipped with 2 at least.Such structure, the tooth depth of the second end tooth are lower than the tooth depth of the first end tooth, and the profile of tooth gradient of end tooth and convex tooth can design to such an extent that be conducive to the rotation of end tooth axle and promote the end tooth cover away from the end tooth axle, catching phenomenon can not occur when guaranteeing mechanism's work.4 groups of end teeth of this 4 increment gear mechanism all adopt one high and one low two profiles of tooth, such structure makes the profile of tooth of convex tooth unrestricted, the profile of tooth that has effectively solved in prior art middle-end gear mechanism is limited, causes mechanism kinematic dumb, the problem of catching phenomenon occurs.
As preferably, be provided with 4 guiding ribs that match with gathering sill on described support, the end of described guiding rib is provided with the inclined-plane, and the end on inclined-plane is provided with the strong point, be provided with 4 convex teeth on the circumference of described end tooth cover, the profile of tooth of described convex tooth tilts to both sides.Preferred 4 guiding ribs and 4 convex teeth are because guiding rib is many, and the strong point is just many, supports more balance; The strong point is many, each strong point stressed also little, and the wearing and tearing of fulcrum are also little, and the life-span is long.
As preferably, the profile of tooth of described the first end tooth and the second end tooth is oblique tooth, comprises a long teeth outline and a short teeth outline.Each group profile of tooth of 4 end teeth of end tooth axle includes the first end tooth and two kinds of oblique tooth-shapeds of the second end tooth, the tooth depth of the second end tooth is lower than the tooth of the first end tooth, adopt oblique tooth and one high and one low two profiles of tooth, this is to design littlely for the profile of tooth angle θ (being the angle between the longer helical teeth line of convex tooth and horizontal line) with the end tooth cover, the end tooth axle more easily promotes the end tooth cover away from the end tooth axle when rotating, and mechanism kinematic is smooth and easy.
As preferably, the convex tooth comprises a long teeth outline and a short teeth outline, the angle theta between the long teeth outline of convex tooth and horizontal line be 20 degree to 40 degree, the inclined-plane of described guiding rib end tilts to end tooth axle direction of rotation.Preferred 20 degree of angle between the longer helical teeth line of convex tooth and horizontal line (being the profile of tooth angle) θ are to 40 degree, and the inclined-plane of guiding rib end tilts to end tooth axle direction of rotation.This set just matches with end tooth on the end tooth axle, makes the end tooth mechanism kinematic smooth and easy, and θ is less for the profile of tooth angle, and the end tooth axle more easily promotes the end tooth cover away from the end tooth axle when rotating, and mechanism kinematic is smooth and easy.
As preferably, described elastic device comprises contact stage clip and connector, and described end tooth axle inside is provided with cavity, and described contact stage clip is arranged on cavity inside.Contact stage clip and connector be arranged so that end tooth axle and end tooth cover and support, when work with contact stage clip and match.When the needs turn on-switch, end tooth mechanism promotes the end tooth cover downwards with external force from " high position " (being the "off" position), and due to the guide effect of guiding rib on support, the end tooth cover promotes the end tooth glides downward.When end tooth crown on the end tooth axle aligns with the summit of guiding rib, this position is unsettled " overvoltage " state, this moment, the end tooth axle began to rotate, until turn to the end tooth axle to top tooth cover, stop operating immediately, on the guiding rib strong point and end tooth axle, the tooth top of end tooth has a dislocation at this moment, and the strong point can promote the rotation of end tooth axle to guarantee disappearing external force afterwards.Thereafter, the profile of tooth inclined-plane of end tooth axle is subject to the resistance shelves effect of the guiding rib strong point under the effect of contact stage clip bounce, the end tooth axle also promotes the end tooth cover and leaves the end tooth axle in upward sliding and rotation, when contacting the guiding rib strong point at the bottom of the tooth of end tooth axle, the end tooth axle is with regard to stop motion, and this position is " low level " position of switch conduction.Moving contact contacts with fixed contact, switch connection.When the needs cut-off switch, its operation, motion process and said process are similar, and difference is that end tooth axle, end tooth cover are got back to initial off-state, namely gets back to " high position " from " low level ".This push-button switch is often completed a duty cycle, end tooth axle rotation 90o.
the utility model realizes that the technical scheme that its second technical purpose adopts is: a kind of push-button switch with 4 increment gear mechanisms, also comprise base, movable contact spring assembly and static contact assembly, described movable contact spring assembly comprises moving plate and moving contact, described static contact assembly comprises still and fixed contact, described static contact assembly and movable contact spring assembly are arranged in base, moving contact is connected and is arranged on the top of fixed contact with movable contact spring, described guiding rib is arranged on the inwall of support, described end tooth axle is set on internal stent with end tooth and matches with guiding rib, the lower end of described elastic device contacts with moving plate.Should be with the push-button switch of Novel end gear mechanism, movable contact spring assembly and static contact assembly and Novel end gear mechanism are arranged on base and internal stent, end tooth mechanism is from " high position " (being the "off" position), when the needs turn on-switch, promote the end tooth cover downwards with external force, due to the guide effect of guiding rib on support, the end tooth cover promotes the end tooth glides downward.When end tooth crown on the end tooth axle aligns with the summit of guiding rib, this position is unsettled " overvoltage " state, this moment, the end tooth axle began to rotate, until turn to the end tooth axle to top tooth cover, stop operating immediately, on the guiding rib strong point and end tooth axle, the tooth top of end tooth has a dislocation at this moment, and the strong point can promote the rotation of end tooth axle to guarantee disappearing external force afterwards.Thereafter, the profile of tooth inclined-plane of end tooth axle is subject to the resistance shelves effect of the guiding rib strong point under the effect of contact stage clip bounce, the end tooth axle also promotes the end tooth cover and leaves the end tooth axle in upward sliding and rotation, when contacting the guiding rib strong point at the bottom of the tooth of end tooth axle, the end tooth axle is with regard to stop motion, and this position is " low level " position of switch conduction.Moving contact contacts with fixed contact, switch connection.When the needs cut-off switch, its operation, motion process and said process are similar, and difference is that end tooth axle, end tooth cover are got back to initial off-state, namely gets back to " high position " from " low level ".This push-button switch is often completed a duty cycle, compares with traditional end tooth structure, in the situation that identical tooth depth, profile of tooth gradient θ can design to such an extent that be conducive to the rotation of end tooth axle and promote the end tooth cover away from the end tooth axle, and mechanism is clamping stagnation not.
As preferably, the cross section of described support is the inverted T-shape structure, and the inside of support is provided with through hole, and described guiding rib evenly is arranged on the hole wall of through hole, and described end tooth is set on the upper end of end tooth axle and matches with guiding rib on support.Guiding rib is many, and the strong point is just many, supports more balance; The strong point is many, each strong point stressed also little, and the wearing and tearing of fulcrum are also little, and the life-span is long.
As preferably, described elastic device comprises contact stage clip, connector and movable contact spring assembly, and it is inner that described contact stage clip is arranged on the end tooth axle, and the lower end of contact stage clip contacts with moving plate by connector.Such structure setting, when switch connection, the movable contact spring assembly touches on the fixed contact of static contact assembly by depressing movable contact is pressed the contact stage clip: when switch disconnects, after popping up by pressing spring, moving contact separates with fixed contact, whole circulation end tooth axle 90-degree rotation.
The beneficial effects of the utility model are: by reducing on the end tooth axle tooth depth of second profile of tooth of end tooth on the same group, compare with traditional end tooth structure, the profile of tooth gradient can design to such an extent that be conducive to the end tooth axle and rotate and promote the end tooth cover away from the end tooth axle, makes not clamping stagnation of mechanism.Therefore, this 4 increment gear mechanism and all effectively to have solved in prior art the inner profile of tooth of push-button switch with the push-button switch of this 4 increment gear mechanism limited, cause mechanism kinematic dumb, the problem of catching phenomenon occurs, extended the working life of end tooth mechanism and push-button switch.
Description of drawings
Fig. 1 is a kind of structural representation of 4 increment gear mechanisms of the present utility model;
Fig. 2 is the expansion schematic diagram of the utility model 4 increment gear mechanisms;
Fig. 3 is the operating principle figure of the utility model 4 increment gear mechanisms;
Fig. 4 is that the utility model is with a kind of structural representation of the push-button switch of 4 increment gear mechanisms;
In figure: 1, support, 2, the end tooth cover, 3, the end tooth axle, 4, end tooth, the 41, first end tooth, the 42, second end tooth, 5, guiding rib, 6, the convex tooth, 7, the strong point, 8, base, 9, the contact stage clip, 10, the movable contact spring assembly, 11, static contact assembly, 12, moving contact, 13, fixed contact, 14, moving plate, 15, gathering sill, 16, connector.
Embodiment
Also by reference to the accompanying drawings the technical solution of the utility model is described in further detail below by specific embodiment.
Embodiment 1:
in the embodiment shown in fig. 1, a kind of 4 increment gear mechanisms, comprise support 1, end tooth cover 2 and end tooth axle 3 and elastic device, be provided with 4 groups of end teeth 4 on end tooth axle 3, end tooth cover 2 and support 1 are equipped with, be provided with 4 guiding ribs 5 and end tooth cover 2 on support 1, gathering sill 15 on end tooth axle 3 matches, the end of guiding rib 5 is provided with the inclined-plane, be provided with 4 convex teeth 6 that match with end tooth 4 on end tooth cover 2, the profile of tooth of convex tooth 6 is to lopsidedness, comprise a long teeth outline and a short teeth outline, angle theta between the long teeth outline of convex tooth 6 and horizontal line is 31 degree left and right (see figure 2)s, the inclined-plane of guiding rib 5 ends tilts to end tooth axle direction of rotation, the end on inclined plane is the strong point 7, more than guiding rib 5, the strong point is just many, support more balance, the strong point is many, each strong point stressed also little, and the wearing and tearing of fulcrum are also little, and the life-span is long.The profile of tooth of each the group end tooth 4 on end tooth axle 3 comprises that the first end tooth 41 and the second end tooth 42, the first end teeth 41 and the second end tooth 42 are oblique tooth, comprise respectively a long teeth outline and a short teeth outline.The tooth depth of the second end tooth 42 is lower than the tooth of the first end tooth 41.Each group is provided with the long teeth outline of the long teeth outline of gathering sill 15, the second end teeth 42 and the first end tooth 41 between end tooth to the first end tooth 41 lopsidedness.Often complete a duty cycle, end tooth axle 3 rotation 90o.Compare with traditional end tooth structure, owing to having reduced on the end tooth axle tooth depth of second profile of tooth of end tooth on the same group, the profile of tooth gradient can design to such an extent that be conducive to end tooth axle 3 and rotate and promote end tooth cover 2 away from end tooth axle 3, and mechanism is clamping stagnation not.Elastic device comprises contact stage clip 9 and connector, and end tooth axle 3 inside are provided with cavity, and contact stage clip 9 is arranged on cavity inside.
Fig. 3 is the motion diagram of one group of end tooth wherein, and wherein P represents external force, and N represents driving link to the active force of driven member, represents the direction of motion without the arrow of letter.
From " high position " (being the "off" position), when the needs turn on-switch, external force P promotes the end tooth cover, and due to the guide effect of guiding rib, the end tooth cover promotes the end tooth glides downward, as shown in Fig. 3 a.When end tooth axle crown aligns with the summit of guiding rib (Fig. 3 b), this position is unsettled " overvoltage " state, this moment, the end tooth axle began to rotate, until turn to shown in Fig. 3 c of position, the end tooth axle is to top tooth cover, stop operating immediately, this moment, the guiding rib strong point and end tooth axle tooth top should have a dislocation, and the strong point can promote the rotation of end tooth axle to guarantee disappearing external force afterwards.Thereafter, the profile of tooth inclined-plane of end tooth axle is subject to the resistance shelves effect of the guiding rib strong point under the effect of bounce, the end tooth axle also promotes the end tooth cover and leaves the end tooth axle in upward sliding and rotation, location drawing 3d is this process schematic diagram, when contacting the guiding rib strong point at the bottom of the tooth of end tooth axle (location drawing 3e), the end tooth axle is with regard to stop motion, and this position is " low level " position of switch conduction.
When the needs cut-off switch, its operation, motion process and said process are similar, and difference is that end tooth axle, end tooth cover are got back to initial off-state, namely gets back to " high position " from " low level ", can find out from location drawing 3f, Fig. 3 g, Fig. 3 h.
as shown in Figure 4, a kind of push-button switch with 4 increment gear mechanisms, comprise base 8, support 1, end tooth cover 2, end tooth axle 3, contact stage clip 9, movable contact spring assembly 10 and static contact assembly 11, static contact assembly 11 and movable contact spring assembly 10 are arranged in base 8, moving contact 12 in movable contact spring assembly 10 is arranged on the top of the fixed contact 13 of static contact assembly 11, end tooth axle 3 is equipped with in support 1 inside with end tooth cover 2, contact stage clip 9 is arranged on end tooth axle 3 inside, the lower end of contact stage clip 9 contacts with the moving plate 14 of movable contact spring assembly 10, be provided with 4 groups of end teeth 4 on end tooth axle 3, the profile of tooth of each group end tooth 4 comprises the first end tooth 41 and the second end tooth 42, the first end tooth 41 and the second end tooth 42 are oblique tooth, comprise respectively a long teeth outline and a short teeth outline, the tooth depth of the second end tooth 42 is lower than the tooth depth of the first end tooth 41.Be provided with gathering sill 15 between each group end tooth.be provided with 4 guiding ribs 5 and end tooth cover 2 on support 1, gathering sill 15 on end tooth axle 3 matches, the end of guiding rib 5 is provided with the inclined-plane, be provided with 4 convex teeth 6 that match with end tooth 4 on end tooth cover 2, convex tooth 6 is oblique tooth, comprise a long teeth outline and a short teeth outline, the profile of tooth of convex tooth 6 is to guiding rib 5 both sides inclinations, angle theta between the long teeth outline of convex tooth 6 and horizontal line is about 31 degree, the inclined-plane of guiding rib 5 ends tilts to end tooth axle direction of rotation, the end on inclined plane is the strong point 7, more than guiding rib 5, the strong point is just many, support more balance, the strong point is many, each strong point stressed also little, and the wearing and tearing of fulcrum are also little, and the life-span is long.
The technical program proposes a kind of push-button switch of 4 increment gear mechanisms, often complete a duty cycle, end tooth axle rotation 90o, compare with traditional end tooth structure, owing to having reduced on the end tooth axle tooth depth of second profile of tooth of end tooth on the same group, profile of tooth angle θ can design to such an extent that be conducive to the rotation of end tooth axle and promote the end tooth cover away from the end tooth axle, and mechanism is clamping stagnation not.Preferred 4 of the guiding rib of this push-button switch is because guiding rib is many, and the strong point is just many, supports more balance; The strong point is many, each strong point stressed also little, and the wearing and tearing of fulcrum are also little, and the life-span is long.And each the group end tooth on the end tooth axle arranges the first end tooth and two end teeth of the second end tooth, and the tooth depth of the second end tooth profile of tooth is lower than the tooth depth of the first end tooth profile of tooth, this is to design littlely for the profile of tooth angle θ with the end tooth cover, the end tooth axle more easily promotes the end tooth cover away from the end tooth axle when rotating, and mechanism kinematic is smooth and easy.
Claims (8)
1. increment gear mechanism, comprise support, end tooth cover and end tooth axle and elastic device, described support, the end tooth cover is connected with elastic device with the end tooth axle, it is characterized in that: be provided with 4 groups of end teeth on described end tooth axle, the profile of tooth of each group end tooth comprises the first end tooth and the second end tooth, the tooth depth of the second end tooth is lower than the tooth depth of the first end tooth, be provided with gathering sill between each group end tooth, described end tooth cover and support assorted setting, be provided with at least 2 guiding ribs that match with gathering sill on support, end tooth puts and is provided with at least 2 convex teeth that match with the end tooth axle.
2. a kind of 4 increment gear mechanisms according to claim 1, it is characterized in that: be provided with 4 guiding ribs that match with gathering sill on described support, the end of described guiding rib is provided with the inclined-plane, the end on inclined-plane is provided with the strong point, be provided with 4 convex teeth on the circumference of described end tooth cover, the profile of tooth of described convex tooth tilts to both sides.
3. a kind of 4 increment gear mechanisms according to claim 1, it is characterized in that: the profile of tooth of described the first end tooth and the second end tooth is oblique tooth, comprises a long teeth outline and a short teeth outline.
4. a kind of 4 increment gear mechanisms according to claim 1 and 2, it is characterized in that: the convex tooth comprises a long teeth outline and a short teeth outline, angle theta between the long teeth outline of convex tooth and horizontal line be 20 degree to 40 degree, the inclined-plane of described guiding rib end tilts to end tooth axle direction of rotation.
5. a kind of 4 increment gear mechanisms according to claim 1 is characterized in that: described elastic device comprises contact stage clip and connector, and described end tooth axle inside is provided with cavity, and described contact stage clip is arranged on cavity inside.
6. push-button switch with 4 increment gear mechanisms claimed in claim 1, also comprise base, movable contact spring assembly and static contact assembly, described movable contact spring assembly comprises moving plate and moving contact, described static contact assembly comprises still and fixed contact, it is characterized in that: described static contact assembly and movable contact spring assembly are arranged in base, moving contact is connected and is arranged on the top of fixed contact with movable contact spring, described guiding rib is arranged on the inwall of support, described end tooth axle is set on internal stent with end tooth and matches with guiding rib, the lower end of described elastic device contacts with moving plate.
7. a kind of push-button switch with 4 increment gear mechanisms according to claim 6, it is characterized in that: the cross section of described support is the inverted T-shape structure, the inside of support is provided with through hole, described guiding rib evenly is arranged on the hole wall of through hole, and described end tooth is set on the upper end of end tooth axle and matches with guiding rib on support.
8. a kind of push-button switch with 4 increment gear mechanisms according to claim 6, it is characterized in that: described elastic device comprises contact stage clip, connector and movable contact spring assembly, it is inner that described contact stage clip is arranged on the end tooth axle, and the lower end of contact stage clip contacts with moving plate by connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220695630 CN202996616U (en) | 2012-12-14 | 2012-12-14 | Four-tooth end tooth mechanism and button switch with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220695630 CN202996616U (en) | 2012-12-14 | 2012-12-14 | Four-tooth end tooth mechanism and button switch with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202996616U true CN202996616U (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220695630 Expired - Lifetime CN202996616U (en) | 2012-12-14 | 2012-12-14 | Four-tooth end tooth mechanism and button switch with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202996616U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107742596A (en) * | 2017-11-28 | 2018-02-27 | 福建省亿宝光电科技有限公司 | A kind of magnetic switch |
-
2012
- 2012-12-14 CN CN 201220695630 patent/CN202996616U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107742596A (en) * | 2017-11-28 | 2018-02-27 | 福建省亿宝光电科技有限公司 | A kind of magnetic switch |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315314 Zhejiang city of Ningbo province Cixi City, Zhejiang province Guanhaiwei town East Industrial Park Patentee after: GONGNIU GROUP Co.,Ltd. Address before: 315314 Zhejiang city of Ningbo province Cixi City, Zhejiang province Guanhaiwei town East Industrial Park Patentee before: BULL GROUP Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130612 |