阅读说明：本技术 一种持续惯性启动转换开关 (Continuous inertia start change-over switch ) 是由 李响 任翼翔 于 2021-10-29 设计创作，主要内容包括：本发明公开了一种持续惯性启动转换开关,包括壳体及其内部的静态开关部件、动能体、驱动簧、导筒和限位钢球,其特征在于还包括惯性体、惯性簧、导销；所述导筒为回转体；所述壳体与上下的惯性体和惯性簧整体、回转体、上下的驱动簧、动能体和静态开关部件整体,从外到内依次套设；所述回转体的周壁开孔设有限位钢球,卡在惯性体和动能体之间；所述惯性体的周壁开有相连的直线槽和曲折通槽；所述回转体的周壁固定有导销,初始嵌入曲折通槽前端的直线槽内。本发明具有抗干扰能力高,工作可靠的优点。(The invention discloses a continuous inertia start change-over switch, which comprises a shell and a static switch component, a kinetic energy body, a driving spring, a guide cylinder and a limiting steel ball which are arranged in the shell, and is characterized by also comprising an inertia body, an inertia spring and a guide pin; the guide cylinder is a revolving body; the shell, the upper inertia body, the lower inertia spring, the revolving body, the upper driving spring, the lower driving spring, the kinetic energy body and the static switch component are sequentially sleeved from outside to inside; a limiting steel ball is arranged on a peripheral wall opening of the revolving body and clamped between the inertial body and the kinetic energy body; the peripheral wall of the inertial body is provided with a linear groove and a zigzag through groove which are connected; the peripheral wall of the revolving body is fixed with a guide pin which is initially embedded into a linear groove at the front end of the zigzag through groove. The invention has the advantages of high anti-interference capability and reliable operation.)

1. A continuous inertia starting change-over switch comprises a shell and a static switch component, a kinetic energy body, a driving spring, a guide cylinder and a limiting steel ball which are arranged in the shell, wherein the limiting steel ball limits the inertia starting of the kinetic energy body, and the driving spring, the guide cylinder and the static switch component form a conduction structure of the kinetic energy body;

the method is characterized in that:

the device also comprises an inertial body, an inertial spring and a guide pin; the guide cylinder is a revolving body;

the shell, the upper inertia body, the lower inertia spring, the revolving body, the upper driving spring, the lower driving spring, the kinetic energy body and the static switch component are sequentially sleeved from outside to inside; a limiting steel ball is arranged on a peripheral wall opening of the revolving body and clamped between the inertial body and the kinetic energy body;

the peripheral wall of the inertial body is provided with a linear groove and a zigzag through groove which are connected; the peripheral wall of the revolving body is fixed with a guide pin which is initially embedded into a linear groove at the front end of the zigzag through groove.

2. The continuous inertia activated transfer 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 transfer switch of claim 1, wherein:

the peripheral wall of the revolving body is provided with an oblique through hole, and the oblique through hole accommodates the limiting steel ball.

4. The continuous inertia activated transfer 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 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 transfer switch of claim 1, wherein:

the upper end of the revolving body is provided with a circle of concave pits for accommodating the part of the rolling ball, and the upper surface of the accommodating ball is abutted to the upper pressing screw of the shell.

6. The continuous inertia activated transfer switch of claim 1, wherein:

the straight-line grooves and the zigzag through grooves extend in the up-down direction as a whole.

7. The continuous inertia activated transfer switch of claim 1, wherein:

the static switch component comprises 2N elastic sheets which are symmetrically arranged and are mutually isolated, a switch body and a fixing piece; switch body through-hole has in the middle part of the switch body, the one end of flexure strip is the stiff end, passes through the mounting is fixed in the switch body, the other end be the free end, slope setting in the switch body through-hole.

8. The continuous inertia activated transfer switch of claim 7, wherein:

the elastic piece is provided with a horizontal section and an inclined section, the horizontal section is fixed at the top end of the switch body through the fixing piece and is connected with a lead; each pair of inclined sections is inclined towards each other.

9. The continuous inertia activated transfer switch of claim 1, wherein:

the periphery waist of the kinetic energy body is provided with an arc-shaped groove for accommodating the part of the limiting steel ball, and the lower end of the kinetic energy body is of a cone-shaped structure with an inclination angle.

10. The continuous inertia activated transfer 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 bottom diameter of the funnel-shaped structure enclosed by 2N elastic sheets in the static switch component and the upper end diameter of the funnel-shaped structure.

Technical Field

The invention belongs to the field of switches, in particular to an initiating explosive device switch, and particularly relates to a change-over switch which is driven by internal kinetic energy to realize on-off by removing restraint through continuous inertia overload.

Background

Switches are widely used in electromechanical products, and in particular, various switches manufactured by using a switching principle of various environmental forces have been widely developed. However, these kinds of switches have a drawback that they have a weak interference resistance and are difficult to switch to a state after switching. For practical applications, it is generally desirable that the switch has good interference rejection, reliable operation in use, and good retention.

For example, a change-over switch used in a circuit requires that the switch be reliably turned off at ordinary times, and the switch be reliably turned on to operate the circuit when necessary. The switch can not be switched on accidentally at ordinary times to cause the circuit to act accidentally, and after the switch is switched on, the switch cannot be closed unreliably to cause the switch to shake, so that the working reliability of the circuit can be influenced.

Therefore, the development of a transfer switch with strong anti-interference capability and high action reliability is an urgent need in the field of current switches.

Disclosure of Invention

In view of at least one of the above-mentioned deficiencies or needs for improvement in the prior art, the present invention provides a continuously inertia activated transfer switch having the advantages of high interference rejection 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 transfer switch, comprising a housing and a static switch component, a kinetic energy body, a driving spring, a guide cylinder and a limiting steel ball inside the housing, wherein the limiting steel ball is used for limiting inertia start of the kinetic energy body, and the driving spring, the guide cylinder and the static switch component form a conducting structure of the kinetic energy body;

wherein:

the device also comprises an inertial body, an inertial spring and a guide pin; the guide cylinder is a revolving body;

the shell, the upper inertia body, the lower inertia spring, the revolving body, the upper driving spring, the lower driving spring, the kinetic energy body and the static switch component are sequentially sleeved from outside to inside; a limiting steel ball is arranged on a peripheral wall opening of the revolving body and clamped between the inertial body and the kinetic energy body;

the peripheral wall of the inertial body is provided with a linear groove and a zigzag through groove which are connected; the peripheral wall of the revolving body is fixed with a guide pin which is initially embedded into a linear groove at the front end of the zigzag through groove.

Further preferably, the peripheral wall of the rotator is provided with a side hole, and the guide pin is fixed in the side hole in an interference fit manner.

Further preferably, the peripheral wall of the revolving body is provided with an oblique through hole, and the oblique through hole accommodates the limiting steel ball.

Further preferably, the revolving body is internally provided with a first through hole, a second through hole and a third through hole in a stepped manner from top to bottom in sequence, the second through hole is internally provided with 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 the rolling ball is provided, and the upper surface of the accommodating ball abuts against the upper pressing screw of the shell.

Further preferably, the straight groove and the meandering through groove extend in an up-down direction as a whole.

Further preferably, the static switch component comprises 2N elastic sheets, a switch body and a fixing piece which are symmetrically arranged and isolated from each other; switch body through-hole has in the middle part of the switch body, the one end of flexure strip is the stiff end, passes through the mounting is fixed in the switch body, the other end be the free end, slope setting in the switch body through-hole.

Further preferably, the elastic piece is provided with a horizontal section and an inclined section, the horizontal section is fixed at the top end of the switch body through the fixing piece and is connected with a lead; each pair of inclined sections is inclined towards each other.

Further preferably, the waist of the periphery of the kinetic energy body is provided with an arc-shaped groove for accommodating the part of the limiting steel ball, and the lower end of the kinetic energy body is of a cone-shaped structure with an inclination angle.

Further preferably, the minimum diameter of the cone-shaped structure at the lower end of the kinetic energy body is between the bottom end diameter of the funnel-shaped structure enclosed by the 2N elastic pieces in the static switch component and the upper end diameter of the funnel-shaped structure.

The above-described preferred features may be combined with each other as long as they do not conflict with each other.

Generally, compared with the prior art, the above technical solution conceived by the present invention has the following beneficial effects:

1. the anti-interference capability is strong, and the security is high. Even if the inertia body is subjected to the actions of shaking, centrifugal force, collision and the like, accidental actions cannot be caused, and the design of the zigzag through grooves of the inertia body ensures that the inertia body moves in place, the guide pin can walk through the zigzag through grooves on the whole inertia body only by continuous inertia overload and then moves in place, so that the occurrence of accidental actions of the inertia body in place caused by the occurrence of transient inertia overload is filtered; and the switch needs to realize conversion, the kinetic energy body must reliably move into the static switch component, but the spacing of the limiting steel ball causes the space and physical isolation of the kinetic energy body and the static switch component, the structure is not easy to malfunction, and 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 removing the constraint back, the drive spring that is in compression state can reliably drive the motion of kinetic energy body and target in place, make the lower extreme vertebra column structure of kinetic energy body insert in the static switch part, and vertebra column structure design, still have automatic alignment function, even the kinetic energy body is not along linear motion in the revolving body, when moving to static switch part back, the flexure strip also can be to middle extrusion kinetic energy body and make it be in the state of adjusting well, after kinetic energy body and each flexure strip contact, make the flexure strip of original mutual isolation realize the switch-on, thereby realized change by the disconnection of change over switch to the conversion that switches on. And the elastic sheets are preferably 2 mm-4 mm thick copper strips, the diameter of the minimum diameter section of the conical 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 enclosed by 2N elastic sheets in the static switch component, and the diameter of the minimum diameter section of the kinetic energy body is 0.4-0.8 times of the diameter of the upper end of the funnel-shaped structure enclosed by 2N elastic sheets in the static switch component. And the driving spring can reliably push the kinetic energy body to move in place, and the elastic piece can reliably hold the kinetic energy body under the limiting conditions, so that the kinetic energy body is ensured to be reliably contacted with the elastic piece. The operational reliability of the change-over switch is essentially ensured.

Drawings

FIG. 1 is a schematic view of the initial state structure of the sustained inertia activated transfer switch of the present invention;

FIG. 2 is a schematic diagram of the transfer switch of the present invention in position after being subjected to a sustained inertial overload motion;

FIG. 3 is a perspective view of the structure of the static switch component of the present invention;

FIG. 4 is a top view of a static switch component of the present invention;

FIG. 5 is a schematic side view of the inertial body of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other. The present invention will be described in further detail with reference to specific embodiments.

As a preferred embodiment of the present invention, as shown in fig. 1-5, the present invention provides a continuous inertia-activated transfer 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 limiting steel ball 8 inside the housing, wherein the limiting steel ball 8 forms an inertia-activated 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 for 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, the upper inertia body 5, the lower inertia spring 6, the revolving body 4, the upper driving spring 3, the lower driving spring 2 and the static switch component 1 are sequentially and coaxially sleeved from outside to inside; a limiting steel ball 8 is arranged on a hole in the peripheral wall of the revolving body 4, and the kinetic energy body 2 is locked between the inertial body 5 and the kinetic energy body 2 in an initial state; the inertia body 5 is of a circular ring structure, and the peripheral wall of the inertia body is provided with a linear groove 5-1 and a Z-shaped zigzag through groove 5-2 which are connected from bottom to top; the peripheral wall of the revolving body 4 is fixed with a guide pin 7 for guiding, and the initial state is embedded into a linear groove 5-1 at the front end of the zigzag through groove 5-2. Under the continuous inertia overload, the guide pin 7 sequentially runs through the linear groove 5-1 and the zigzag through groove 5-2, the spiral motion between the inertial body 5 and the revolving body 4 is realized in the mode, the guide pin 7 is finally separated from the inertial body 5, the inertial body 5 unlocks the limiting steel ball 8 at the moment, and the limiting steel ball 8 unlocks the kinetic energy body 2.

As shown in fig. 1-2, it is further preferable that the rotator 4 has a cylindrical structure, the upper end of the cylindrical structure has a semicircular recess 41 for accommodating a part of the rolling ball 10, and the upper surface of the accommodating ball 10 abuts against the upper pressing screw 11 of the housing 9, so as to facilitate the rotation of the rotator 4. More preferably, one side of the peripheral wall of the rotator 4 is provided with a side hole 42, the guide pin 7 is fixed in the side hole 42 in an interference fit manner, and the guide pin 7 protrudes 3mm to 5mm from the outer circle contour of the rotator 4. Further preferably, an inclined through hole 43 is formed on the other side of the peripheral wall of the rotator 4, and the inclined through hole 43 accommodates the limiting steel ball 8. Further preferably, the rotator 4 has a first through hole 44, a second through hole 45 and a third through hole 46, which are sequentially enlarged from top to bottom and have stepped diameters, wherein the driving spring 3 and the kinetic energy body 2 are accommodated in the second through hole 45, and the third through hole 46 is a threaded hole in which the static switch member 1 is installed.

As shown in fig. 1-2 and 5, it is further preferable that the straight line groove 5-1 and the zigzag through groove 5-2 extend in the up-down direction as a whole, and specifically, the straight line groove 5-1 extends in the axial direction of the inertial body 5.

As shown in fig. 3-4, it is further preferable that the static switch component 1 includes 2N elastic pieces 1-1, switch bodies 1-2 and fixing pieces 1-3, which are symmetrically arranged and isolated from each other. Further preferably, the elastic sheet 1-1 is formed by winding a copper strip and is provided with a horizontal section and an inclined section, 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 lead; each pair of inclined sections is inclined towards each other. The switch body 1-2 is a cylindrical structure processed by a non-conductive polysulfone rod material, a switch body through hole is formed in the middle of the switch body and used for deformation of an inclined section of the elastic sheet 1-1 in the space and enabling the kinetic energy body 2 to enter the through hole, a top groove is further formed in the circumferential top of the switch body 1-2 and used for containing a 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 through screws, the other end of each elastic sheet is a free end and is obliquely arranged in the switch body through hole, the outer circumference of the switch body 1-2 is provided with threads and 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 abutted and sealed by a pressing screw 12.

As shown in fig. 1-2, it is further preferable that the kinetic energy body 2 is a cylindrical structure made of a metal conductive material, and the upper end of the kinetic energy body 2 has an upper groove 21 for accommodating the driving spring 3; the waist part of the periphery of the kinetic energy body 2 is provided with an arc-shaped groove 22 with an inclination angle for accommodating a part of the limiting steel ball 8, and the lower end of the kinetic energy body 2 is provided with a cone-shaped structure 23 with an inclination 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, and the amount of compression is 15% to 20%, so as to provide kinetic energy for the movement of the kinetic energy body 2.

Further preferably, the inertia spring 6 is disposed at the lower end of the inertia body 5 to provide resistance to the inertia body 5, so as to prevent the inertia body 5 from moving downwards without experiencing inertia overload, thereby causing an unexpected release of the constraint of the limiting steel ball 8.

Further preferably, the guide pin 7 is a cylinder made of steel, and is fixed on the rotator 4 in an interference fit manner and connected with the rotator 4 into a whole.

Further preferably, the housing 9 is also a cylindrical structure, and the whole structure is sealed into a whole by matching with the upper pressing screw 11 and the lower pressing 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 pressing screw 11 is changed into rolling friction through 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 pieces 1-1 is 1, 2 or 3, and the elastic pieces 1-1 are made of beryllium bronze strip materials with the thickness of 2 mm-4 mm.

Further preferably, the minimum diameter of the cone-shaped structure 23 at the lower end of the kinetic energy body 2 is between the bottom end diameter of the funnel-shaped structure enclosed by the 2N elastic pieces 1-1 in the static switch component 1 and the upper end diameter of the funnel-shaped structure. Specifically, the diameter of the minimum diameter section of the cone-shaped structure at the lower end of the kinetic energy body 2 is 1.5 to 2 times of the diameter of the bottom end of the funnel-shaped structure enclosed by 2N elastic pieces 1-1 in the static switch component 1, and the diameter of the minimum diameter section of the cone-shaped structure is 0.4 to 0.8 times of the diameter of the upper end of the funnel-shaped structure enclosed by 2N elastic pieces 1-1 in the static switch component 1.

Further preferably, the inclination angle of the zigzag through groove 51 on the inertia body 5 meets the following condition, the inclination angle is 45-60 degrees with the horizontal plane, and the preferred inclination angle is 53 degrees.

Further preferably, after the rolling balls 10 are installed on the revolving body 4, the revolving body 4 can freely rotate in a space surrounded by the housing 9, the upper pressing screw 11 and the lower pressing screw 12.

Further preferably, the lower press screw 12 has a lower press screw through hole therein for the lead wire of the static switch component 1 to pass through.

The working principle method of the invention is as follows:

at ordinary times, in an initial state, the inertial body 5 and the limiting steel ball 8 restrain the kinetic energy body 2, the kinetic energy body 2 and the static switch component 1 are isolated from each other spatially and physically, the elastic pieces 1-1 which are uniformly distributed on the static switch component 1 are isolated from each other at the moment, and the continuous inertial start change-over switch is in a disconnected state at the moment.

When the inertial overload is sensed continuously, the inertial body 5 overcomes the resistance of the inertial spring 6, spirally moves downwards around the revolving body 4 through the guide pin 7, the limiting steel ball 8 is extruded out by the kinetic energy body 2 after being separated from the constraint of the inertial body 5 after moving in place, and the kinetic energy body 2 moves towards the static switch component 1 under the thrust action of the driving spring 3. The kinetic energy body 2 extrudes 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 conversion from the disconnection to the conduction of the continuous inertia starting change-over switch is realized.

In summary, compared with the prior art, the scheme of the invention has the following significant advantages:

1. the anti-interference capability is strong, and the security is high. Even if the inertia body is subjected to the actions of shaking, centrifugal force, collision and the like, accidental actions cannot be caused, and the design of the zigzag through grooves of the inertia body ensures that the inertia body moves in place, the guide pin can walk through the zigzag through grooves on the whole inertia body only by continuous inertia overload and then moves in place, so that the occurrence of accidental actions of the inertia body in place caused by the occurrence of transient inertia overload is filtered; and the switch needs to realize conversion, the kinetic energy body must reliably move into the static switch component, but the spacing of the limiting steel ball causes the space and physical isolation of the kinetic energy body and the static switch component, the structure is not easy to malfunction, and 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 removing the constraint back, the drive spring that is in compression state can reliably drive the motion of kinetic energy body and target in place, make the lower extreme vertebra column structure of kinetic energy body insert in the static switch part, and vertebra column structure design, still have automatic alignment function, even the kinetic energy body is not along linear motion in the revolving body, when moving to static switch part back, the flexure strip also can be to middle extrusion kinetic energy body and make it be in the state of adjusting well, after kinetic energy body and each flexure strip contact, make the flexure strip of original mutual isolation realize the switch-on, thereby realized change by the disconnection of change over switch to the conversion that switches on. And the elastic sheets are preferably 2 mm-4 mm thick copper strips, the diameter of the minimum diameter section of the conical 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 enclosed by 2N elastic sheets in the static switch component, and the diameter of the minimum diameter section of the kinetic energy body is 0.4-0.8 times of the diameter of the upper end of the funnel-shaped structure enclosed by 2N elastic sheets in the static switch component. And the driving spring can reliably push the kinetic energy body to move in place, and the elastic piece can reliably hold the kinetic energy body under the limiting conditions, so that the kinetic energy body is ensured to be reliably contacted with the elastic piece. 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 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 can be selected according to actual needs to achieve the purpose of the scheme of the embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

In addition, it should be understood by those skilled in the art that in the specification of the embodiments of the present invention, 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 an … …" does not exclude the presence of other identical 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 foregoing 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 interpreted as reflecting an intention that: that is, the claimed embodiments of the invention require 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 an embodiment of this invention.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the embodiments of the present invention, and not to limit the same; although embodiments of the present invention have been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.