CN113851335B - Continuous inertial starting change-over switch - Google Patents
Continuous inertial starting change-over switch Download PDFInfo
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- CN113851335B CN113851335B CN202111271028.5A CN202111271028A CN113851335B CN 113851335 B CN113851335 B CN 113851335B CN 202111271028 A CN202111271028 A CN 202111271028A CN 113851335 B CN113851335 B CN 113851335B
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- kinetic energy
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- steel ball
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/38—Driving mechanisms, i.e. for transmitting driving force to the contacts using spring or other flexible shaft coupling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/60—Mechanical arrangements for preventing or damping vibration or shock
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
- H01H2003/3078—Power arrangements internal to the switch for operating the driving mechanism using spring motor using an inertia element, e.g. a flywheel, to controll the energy released by the spring
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Landscapes
- Switches Operated By Changes In Physical Conditions (AREA)
Abstract
The invention discloses a continuous inertial starting change-over switch, which comprises a shell, a static switch component, a kinetic energy body, a driving spring, a guide cylinder and a limiting steel ball, and is characterized by also comprising an inertial body, an inertial spring and a guide pin, wherein the static switch component, the kinetic energy body, the driving spring, the guide cylinder and the limiting steel ball are arranged in the shell; the guide cylinder is a revolution body; the shell is sleeved with the upper and lower inertia bodies and the inertia spring body, the revolving body, the upper and lower driving springs, the kinetic energy body and the static switch component body in sequence from outside to inside; the peripheral wall of the revolving body is provided with a limiting steel ball which is clamped between the inertia body and the kinetic energy body; the peripheral wall of the inertial body is provided with a straight line groove and a zigzag through groove which are connected; guide pins are fixed on the peripheral wall of the revolving body and are initially embedded into the straight line grooves at the front ends of the zigzag through grooves. The invention has the advantages of high anti-interference capability and reliable operation.
Description
Technical Field
The invention belongs to the field of switches, in particular to a initiating explosive device switch, and particularly relates to a change-over switch which is driven by internal kinetic energy to realize on-off by utilizing continuous inertia overload to release constraint.
Background
Switches are widely used in electromechanical products, and in particular, various switches manufactured by using various environmental forces to realize a switching principle are widely developed. However, these types of switches have a disadvantage in that they have a weak anti-interference capability and the state of transition after switching is difficult to maintain. For practical application, the switch is generally expected to have good anti-interference capability, reliable action in use and good maintenance.
Such as a transfer switch used in a circuit, requires that the switch be reliably turned off at ordinary times and that the switch be reliably connected to the circuit to operate the circuit when required. The switch cannot be turned on accidentally to cause unexpected action of the circuit, and after the switch is turned on, unreliable closing cannot occur, so that the switch shakes, and the working reliability of the circuit can be affected.
Therefore, developing a transfer switch with strong anti-interference capability and high action reliability becomes an urgent need in the current switching field.
Disclosure of Invention
Aiming at least one of the defects or the improvement demands of the prior art, the invention provides a continuous inertial starting change-over switch which has the advantages of high anti-interference capability and reliable operation.
In order to achieve the above object, according to one aspect of the present invention, there is provided a continuous inertia start switch, including a housing, a static switch member, a kinetic energy body, a driving spring, a guide cylinder, and a limit steel ball, wherein the limit steel ball limits the inertia start of the kinetic energy body, and the driving spring, the guide cylinder, and the static switch member form a conductive structure of the kinetic energy body;
wherein:
the device also comprises an inertia body, an inertia spring and a guide pin; the guide cylinder is a revolution body;
the shell is sleeved with the upper and lower inertia bodies and the inertia spring body, the revolving body, the upper and lower driving springs, the kinetic energy body and the static switch component body in sequence from outside to inside; the peripheral wall of the revolving body is provided with a limiting steel ball which is clamped between the inertia body and the kinetic energy body;
the peripheral wall of the inertial body is provided with a straight line groove and a zigzag through groove which are connected; guide pins are fixed on the peripheral wall of the revolving body and are initially embedded into the straight line grooves at the front ends of the zigzag through grooves.
Further preferably, a side hole is formed in the peripheral wall of the rotator, and the guide pin is fixed in the side hole in an interference fit manner.
Further preferably, an oblique through hole is formed in the peripheral wall of the revolving body, and the oblique through hole accommodates the limiting steel ball.
Further preferably, the rotary body is provided with a first through hole, a second through hole and a third through hole which are stepped in sequence from top to bottom, the second through hole is used for accommodating the driving spring and the kinetic energy body, and the third through hole is internally provided with the static switch component.
Further preferably, the upper end of the revolving body is provided with a circle of concave pits, a part for accommodating rolling balls and an upper pressing screw of the upper surface of the accommodating balls, which is abutted against the shell.
Further preferably, the straight grooves and the meandering grooves extend generally in the up-down direction.
Further preferably, the static switch component comprises 2N elastic sheets, a switch body and a fixing piece which are symmetrically placed and isolated from each other; the middle part of the switch body is provided with a switch body through hole, one end of the elastic sheet is a fixed end and is fixed on the switch body through the fixing piece, and the other end of the elastic sheet is a free end and is obliquely arranged in the switch body through hole.
Further preferably, the elastic piece is provided with a horizontal section and an inclined section, and the horizontal section is fixed at the top end of the switch body through the fixing piece and is connected with a wire; each pair of inclined sections is inclined toward each other.
Further preferably, an arc groove is arranged at the peripheral waist of the kinetic energy body and is used for accommodating the limiting steel ball, and the lower end of the kinetic energy body is of a cone-shaped structure with an inclined angle.
Further preferably, the minimum diameter of the cone-shaped structure at the lower end of the kinetic energy body is between the diameter of the bottom end of the funnel-shaped structure surrounded by 2N elastic sheets in the static switch component and the diameter of the upper end of the funnel-shaped structure.
The above-described preferred technical features may be combined with each other as long as they do not collide with each other.
In general, the above technical solutions conceived by the present invention have the following beneficial effects compared with the prior art:
1. the anti-interference capability is strong, and the safety is high. Even if the device is subjected to the actions of shaking, centrifugal force, collision and the like, the device cannot accidentally act, and due to the design of the meandering through grooves of the inertial body, the inertial body needs to move in place, and continuous inertial overload is needed to enable the guide pin to walk through the meandering through grooves on the whole inertial body and then move in place, so that the accidental action of the inertial body caused by the occurrence of the temporary inertial overload is filtered; in addition, the switch is required to realize conversion, the kinetic energy body is required to reliably move into the static switch component, but the space and physical isolation between the kinetic energy body and the static switch component are caused by the limit of the limit steel ball, and the structure is not easy to malfunction, so that the safety of the switch is essentially ensured.
2. The reliability is high. The unique structural design of switch for the kinetic energy body is after removing the constraint, and the drive spring that is in compression state can reliably drive the kinetic energy body and move in place, makes the lower extreme centroid structure of kinetic energy body insert in the static switch part, and centroid structural design still has automatic alignment function, even the kinetic energy body is not along rectilinear motion in the gyration, after moving to in the static switch part, the elastic slice also can make its in the alignment state to the middle extrusion kinetic energy body, after the kinetic energy body contacted with each elastic slice, makes the elastic slice that original mutual isolation realized switching on, thereby realized change switch's the transition from breaking to switching on. The elastic piece is preferably a copper strip with the thickness of 2 mm-4 mm, the diameter of the smallest diameter section of the cone-shaped structure limiting the lower end of the kinetic energy body is 1.5-2 times of the diameter of the bottom end of the funnel-shaped structure surrounded by 2N elastic pieces in the static switch component, and the diameter of the smallest diameter section of the elastic piece is 0.4-0.8 times of the diameter of the upper end of the funnel-shaped structure surrounded by 2N elastic pieces in the static switch component. The driving spring can reliably push the kinetic energy body to move in place, and the limiting condition can ensure that the elastic sheet reliably holds the kinetic energy body, so that the kinetic energy body is reliably contacted with the elastic sheet. The operational reliability of the change-over switch is essentially ensured.
Drawings
FIG. 1 is a schematic diagram of the initial state structure of a continuous inertia start switch of the present invention;
FIG. 2 is a schematic diagram of the change-over switch of the present invention after it has been subjected to a continuous inertial overload motion in place;
FIG. 3 is a schematic perspective view of the structural components of the static switch assembly of the present invention;
FIG. 4 is a top view of the static switch component of the present invention;
fig. 5 is a schematic side view of the inertial body of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other. The present invention will be described in further detail with reference to the following embodiments.
As a preferred embodiment of the present invention, as shown in fig. 1-5, the present invention provides a continuous inertial start change-over switch, which comprises a housing 9 and a static switch component 1, a kinetic energy body 2, a driving spring 3, a guide cylinder and a limit steel ball 8 inside the housing, wherein the limit steel ball 8 forms an inertial start limit for the kinetic energy body 2, and the driving spring 3, the guide cylinder and the static switch component 1 form a conducting structure of the kinetic energy body 2; wherein: the device also comprises an inertial body 5, an inertial spring 6 and a guide pin 7; the guide cylinder is a revolving body 4; the shell 9 is coaxially sleeved with the whole of the upper and lower inertia bodies 5 and the inertia springs 6, the revolving body 4, the upper and lower driving springs 3, the kinetic energy body 2 and the static switch component 1 in sequence from outside to inside; the peripheral wall of the revolving body 4 is provided with a limiting steel ball 8, and the initial state is clamped between the inertia body 5 and the kinetic energy body 2 to lock the kinetic energy body 2; the inertial body 5 is of a circular ring structure, and the peripheral wall is provided with a straight line groove 52 and a Z-shaped zigzag through groove 51 which are connected from bottom to top; the guide pins 7 are fixed to the peripheral wall of the rotator 4 to guide the rotator, and the rotator is initially fitted into the straight grooves 52 at the front end of the meandering grooves 51. The guide pin 7 sequentially runs through the linear groove 52 and the zigzag through groove 51 under continuous inertia overload, spiral movement between the inertia body 5 and the revolving body 4 is realized in this way, the guide pin 7 finally breaks away from the inertia body 5, at the moment, the inertia body 5 releases the locking of the limiting steel ball 8, and the limiting steel ball 8 releases the locking of the kinetic energy body 2.
As shown in fig. 1-2, it is further preferable that the revolving body 4 has a cylindrical structure, and has a circle of semicircular concave pits 41 at an upper end thereof for accommodating a part of the rolling balls 10, and the upper surfaces of the accommodating balls 10 abut against the upper press screws 11 of the housing 9 to facilitate the rotation of the revolving body 4. Further preferably, a side hole 42 is formed on one side of the peripheral wall of the rotator 4, the guide pin 7 is fixed in the side hole 42 in an interference fit manner, and the guide pin 7 protrudes from the outline of the outer circle of the rotator 4 by 3mm to 5mm. Further preferably, an oblique through hole 43 is formed on the other side of the peripheral wall of the revolving body 4, and the oblique through hole 43 accommodates the limit steel ball 8. Further preferably, the revolving body 4 is internally provided with a first through hole 44, a second through hole 45 and a third through hole 46 which are sequentially enlarged in diameter and are in a stepped shape from top to bottom, the second through hole 45 accommodates the driving spring 3 and the kinetic energy body 2, the third through hole 46 is a threaded hole, and the static switch component 1 is installed in the threaded hole.
As shown in fig. 1-2, 5, it is further preferable that the linear groove 52 and the meandering groove 51 extend generally in the up-down direction, specifically, the linear groove 52 extends in the axial direction of the inertial body 5.
As shown in fig. 3-4, it is further preferable that the static switch part 1 includes 2N elastic pieces 1-1, a switch body 1-2, and a fixing member 1-3 which are symmetrically placed and isolated from each other. Further preferably, the elastic sheet 1-1 is formed by winding copper strips, and is provided with a horizontal section and an inclined section, wherein the horizontal section is fixed at the top end of the switch body 1-2 through the fixing piece 1-3 such as a screw, and is connected with a wire; each pair of inclined sections is inclined toward each other. The switch body 1-2 is made of nonconductive polysulfone rod materials and is of a cylindrical structure, a switch body through hole is formed in the middle of the switch body, the inclined section of the elastic sheet 1-1 is used for deforming in the space, the kinetic energy body 2 enters the through hole, a top groove is formed in the circumferential top of the switch body 1-2 and used for accommodating the horizontal section of the elastic sheet 1-1, the horizontal section of each elastic sheet 1-1 is fixed in the top groove of the switch body 1-2 by using a screw, the other end of each elastic sheet 1-1 is a free end, the switch body through hole is obliquely arranged, the outer circumference of the switch body 1-2 is provided with threads and is installed in a third through hole 46 of the rotary body 4, and the lower ends of the rotary body 4 and the switch body 1-2 are in butt sealing by the push-down screws 12.
As shown in fig. 1-2, further preferably, the kinetic energy body 2 is a cylindrical structure made of a metal conductive material, and an upper groove 21 is formed at the upper end of the kinetic energy body 2 for accommodating the driving spring 3; the peripheral waist of the kinetic energy body 2 is provided with an arc-shaped groove 22 with an inclined angle for accommodating a part of the limit steel ball 8, and the lower end of the kinetic energy body 2 is provided with a conical structure 23 with an inclined angle.
Further preferably, the driving spring 3 is disposed between the kinetic energy body 2 and the revolving body 4, and is in a compressed state, the compression amount is 15% -20%, and kinetic energy is provided for the movement of the kinetic energy body 2.
It is further preferred that the inertial spring 6 is disposed at the lower end of the inertial body 5 to provide resistance to the inertial body 5, so as to prevent the inertial body 5 from moving downward without experiencing inertial overload, thereby resulting in unexpected release of constraint of the limit steel ball 8.
Further preferably, the guide pin 7 is a cylinder made of steel, and is fixed on the revolving body 4 in an interference fit manner, and is integrally connected with the revolving body 4.
Further preferably, the housing 9 is also a cylindrical structure, and the whole structure is closed into a whole by cooperation with the upper press screw 11 and the lower press screw 12.
Further preferably, the rolling balls 10 are uniformly embedded in the upper end of the revolving body 4 to form a circle, so that the sliding friction between the revolving body 4 and the upper press screw 11 is changed into rolling friction by the arrangement of the rolling balls 10 when the revolving body 10 rotates, and the reliability of the revolving action of the revolving body 4 is improved.
Further preferably, N in the 2N elastic sheets 1-1 is 1 or 2 or 3, and the elastic sheets 1-1 are made of beryllium bronze strips with the thickness of 2-4 mm.
It is further preferred that the minimum diameter of the cone-like structure 23 at the lower end of the kinetic energy body 2 is between the diameter of the bottom end of the funnel-like structure enclosed by the 2N elastic pieces 1-1 in the static switch member 1 and the diameter of the upper end of the funnel-like structure. Specifically, the diameter of the smallest diameter section of the cone-shaped structure at the lower end of the kinetic energy body 2 is 1.5-2 times of the diameter of the bottom end of the funnel-shaped structure surrounded by the 2N elastic pieces 1-1 in the static switch component 1, and the diameter of the smallest diameter section of the cone-shaped structure is 0.4-0.8 times of the diameter of the upper end of the funnel-shaped structure surrounded by the 2N elastic pieces 1-1 in the static switch component 1.
Further preferably, the inclination angle of the zigzag slot 51 on the inertial body 5 meets the following condition, the inclination angle is 45 ° to 60 ° with respect to the horizontal plane, and the preferred inclination angle is 53 °.
Further preferably, after the rolling balls 10 are installed on the revolving body 4, the revolving body 4 can freely rotate in a space enclosed by the casing 9, the upper press screw 11 and the lower press screw 12.
Further preferably, the inside of the push-down screw 12 is provided with a push-down screw through hole for the lead of the static switch component 1 to pass out.
The working principle method of the invention is as follows:
in the normal initial state, the inertial body 5 and the limit steel ball 8 restrict the kinetic energy body 2, the kinetic energy body 2 and the static switch component 1 are isolated from each other, the isolation of the kinetic energy body 2 and the static switch component 1 is caused spatially and physically, the elastic pieces 1-1 which are uniformly distributed on the static switch component 1 at the moment are isolated from each other, and the continuous inertial start change-over switch is in an off state at the moment.
When the continuous inertia overload is sensed, the inertia body 5 overcomes the resistance of the inertia spring 6, the guide pin 7 makes spiral downward movement around the revolving body 4, after moving in place, the limit steel ball 8 is separated from the constraint of the inertia body 5 and then is extruded by the kinetic energy body 2, and the kinetic energy body 2 moves towards the static switch component 1 under the thrust of the driving spring 3. The kinetic energy body 2 presses the elastic pieces 1-1 which are isolated from each other in the static switch component 1, and the kinetic energy body 2 is contacted with each elastic piece 1-1, so that the continuous inertia starting change-over switch is changed from off to on.
In summary, compared with the prior art, the scheme of the invention has the following remarkable advantages:
1. the anti-interference capability is strong, and the safety is high. Even if the device is subjected to the actions of shaking, centrifugal force, collision and the like, the device cannot accidentally act, and due to the design of the meandering through grooves of the inertial body, the inertial body needs to move in place, and continuous inertial overload is needed to enable the guide pin to walk through the meandering through grooves on the whole inertial body and then move in place, so that the accidental action of the inertial body caused by the occurrence of the temporary inertial overload is filtered; in addition, the switch is required to realize conversion, the kinetic energy body is required to reliably move into the static switch component, but the space and physical isolation between the kinetic energy body and the static switch component are caused by the limit of the limit steel ball, and the structure is not easy to malfunction, so that the safety of the switch is essentially ensured.
2. The reliability is high. The unique structural design of switch for the kinetic energy body is after removing the constraint, and the drive spring that is in compression state can reliably drive the kinetic energy body and move in place, makes the lower extreme centroid structure of kinetic energy body insert in the static switch part, and centroid structural design still has automatic alignment function, even the kinetic energy body is not along rectilinear motion in the gyration, after moving to in the static switch part, the elastic slice also can make its in the alignment state to the middle extrusion kinetic energy body, after the kinetic energy body contacted with each elastic slice, makes the elastic slice that original mutual isolation realized switching on, thereby realized change switch's the transition from breaking to switching on. The elastic piece is preferably a copper strip with the thickness of 2 mm-4 mm, the diameter of the smallest diameter section of the cone-shaped structure limiting the lower end of the kinetic energy body is 1.5-2 times of the diameter of the bottom end of the funnel-shaped structure surrounded by 2N elastic pieces in the static switch component, and the diameter of the smallest diameter section of the elastic piece is 0.4-0.8 times of the diameter of the upper end of the funnel-shaped structure surrounded by 2N elastic pieces in the static switch component. The driving spring can reliably push the kinetic energy body to move in place, and the limiting condition can ensure that the elastic sheet reliably holds the kinetic energy body, so that the kinetic energy body is reliably contacted with the elastic sheet. The operational reliability of the change-over switch is essentially ensured.
It will be appreciated that the embodiments of the system described above are merely illustrative, in that the elements illustrated as separate components may or may not be physically separate, may be located in one place, or may be distributed over different network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
In addition, it will be understood by those skilled in the art that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
In the description of the embodiments of the invention, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description. Similarly, it should be appreciated that in the above description of exemplary embodiments of the invention, various features of the embodiments of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects.
However, the disclosed method should not be construed as reflecting the intention that: i.e., an embodiment of the invention that is claimed, requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the embodiments of the present invention, and are not limited thereto; although embodiments of the present invention have been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a continuous inertia starts change-over switch, includes casing and inside static switch part, kinetic energy body, driving spring, guide cylinder and spacing steel ball, wherein the spacing steel ball is to the inertia start-up restriction of kinetic energy body, driving spring, guide cylinder, static switch part form the conduction structure of kinetic energy body;
the method is characterized in that:
the device also comprises an inertia body, an inertia spring and a guide pin; the guide cylinder is a revolution body;
the shell is integrated with the upper and lower inertia bodies and the inertia springs, the revolving body, the upper and lower driving springs, the kinetic energy bodies and the static switch components in sequence from outside to inside in a coaxial sleeve manner; the peripheral wall of the revolving body is provided with a limiting steel ball, and the initial state is clamped between the inertia body and the kinetic energy body and locks the kinetic energy body;
the inertial body is of a circular ring structure, and a straight line groove and a zigzag through groove which are connected from bottom to top are formed in the peripheral wall of the inertial body; guide pins are fixed on the peripheral wall of the revolving body, and the initial state is embedded into a straight line groove at the front end of the zigzag through groove; under continuous inertia overload, the guide pin sequentially runs through the linear groove and the zigzag through groove, spiral movement between the inertial body and the revolving body is realized in the mode, the guide pin finally breaks away from the inertial body, at the moment, the inertial body releases the locking of the limiting steel ball, and the limiting steel ball releases the locking of the kinetic energy body.
2. The continuous inertia activated switch of claim 1, wherein:
the peripheral wall of the revolving body is provided with a side hole, and the guide pin is fixed in the side hole in an interference fit manner.
3. The continuous inertia activated switch of claim 1, wherein:
and an inclined through hole is formed in the peripheral wall of the revolving body, and the inclined through hole accommodates the limiting steel ball.
4. The continuous inertia activated switch of claim 1, wherein:
the rotary body is internally provided with a first through hole, a second through hole and a third through hole which are in a stepped shape from top to bottom in sequence, the second through hole is internally provided with a driving spring and a kinetic energy body, and the third through hole is internally provided with a static switch component.
5. The continuous inertia activated switch of claim 1, wherein:
the upper end of the revolving body is provided with a circle of concave pits, a part for accommodating the rolling balls, and an upper pressing screw of the upper part of the accommodating balls, which is abutted against the shell.
6. The continuous inertia activated switch of claim 1, wherein:
the straight grooves and the meandering through grooves extend generally in the up-down direction.
7. The continuous inertia activated switch of claim 1, wherein:
the static switch component comprises 2N elastic sheets, a switch body and a fixing piece which are symmetrically arranged and mutually isolated; the middle part of the switch body is provided with a switch body through hole, one end of the elastic sheet is a fixed end and is fixed on the switch body through the fixing piece, and the other end of the elastic sheet is a free end and is obliquely arranged in the switch body through hole.
8. The continuous inertia activated switch of claim 7, wherein:
the elastic piece is provided with a horizontal section and an inclined section, and the horizontal section is fixed at the top end of the switch body through the fixing piece and is connected with a wire; each pair of inclined sections is inclined toward each other.
9. The continuous inertia activated switch of claim 1, wherein:
the periphery waist of the kinetic energy body is provided with an arc groove for accommodating the limiting steel ball, and the lower end of the kinetic energy body is of a cone-shaped structure with an inclined angle.
10. The continuous inertia activated switch of claim 9, wherein:
the minimum diameter of the cone-shaped structure at the lower end of the kinetic energy body is between the diameter of the bottom end of the funnel-shaped structure surrounded by 2N elastic sheets in the static switch component and the diameter of the upper end of the funnel-shaped structure.
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| CN202111271028.5A CN113851335B (en) | 2021-10-29 | 2021-10-29 | Continuous inertial starting change-over switch |
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| CN202111271028.5A CN113851335B (en) | 2021-10-29 | 2021-10-29 | Continuous inertial starting change-over switch |
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| CN113851335A CN113851335A (en) | 2021-12-28 |
| CN113851335B true CN113851335B (en) | 2023-08-01 |
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| DE10029087A1 (en) * | 2000-06-13 | 2001-12-20 | Helbako Elektronik Baugruppen | Acceleration limit switch |
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