CN217881209U - Operating mechanism and travel switch - Google Patents

Abstract

The utility model discloses an operating mechanism and travel switch, including fixing base, slider, pivot and action handle. In the operating mechanism of the utility model, when the slide block is in the first state, the end surface of the slide block is contacted with the convex part, and the convex part is corresponding to the blocking part so as to prevent the rotating shaft from falling off from the second mounting hole; when the sliding block is in the second state, part of the structure of the sliding block is positioned in the groove part, the end surface of the sliding block is contacted with the groove bottom of the groove part, and the protruding part is aligned with the notch; during the state switching process, the sliding block is partially positioned in the groove part. The sliding blocks are in the second state and in the state switching process, part of structures of the sliding blocks are located in the groove portions, and the sliding blocks are matched with the groove portions to prevent the rotating shaft from falling off from the second mounting hole. Therefore, adopt the utility model discloses an operating mechanism can effectively prevent that the pivot from droing, uses its reliability of travel switch of this operating mechanism to effectively improve.

Description

Operating mechanism and travel switch

Technical Field

The utility model relates to a travel switch technical field, in particular to operating mechanism and travel switch.

Background

At present, the operating mechanism of travel switch usually can set up in order to install the pivot smoothly and keep away the bit architecture, consequently, when the certain angle of pivot rotation, has the risk relative with keeping away the bit architecture, in case the pivot rotates to and keeps away the bit architecture relative angle when, the pivot drops along the axial very easily to influence travel switch's reliability.

Therefore, how to improve the reliability of the travel switch is a technical problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model provides an operating mechanism and travel switch to improve travel switch's reliability.

In order to achieve the above object, the utility model discloses a following technical scheme:

in a first aspect, the utility model discloses an operating mechanism includes fixing base, slider, pivot and action handle, wherein:

the fixing seat is provided with a first mounting hole and a second mounting hole which are communicated with each other, and the hole wall of the second mounting hole is provided with a blocking part with a notch, wherein the first mounting hole extends along a first direction, and the second mounting hole extends along a second direction;

the sliding block can be arranged in the first mounting hole in a sliding manner along a first direction, and the sliding block has a first state of extending out of the first mounting hole and a second state of retracting to the first mounting hole;

the rotating shaft can be arranged in the second mounting hole in a rotating mode around the axis of the rotating shaft, the axis of the rotating shaft extends along the second direction, the rotating shaft is provided with a protruding portion and a groove portion, the protruding portion and the groove portion are matched with the sliding block, and the sliding block is driven to be switched between the first state and the second state when the rotating shaft rotates; when the sliding block is in the first state, the end face of the sliding block is in contact with the protruding part, and the protruding part corresponds to the blocking part so as to prevent the rotating shaft from falling off from the second mounting hole; when the sliding block is in the second state, part of the structure of the sliding block is positioned in the groove part, the end surface of the sliding block is contacted with the groove bottom of the groove part, and the protruding part is aligned with the notch; in the state switching process, a part of the structure of the sliding block is positioned in the groove part;

the operating handle is used for controlling the rotating shaft to rotate around the axis of the rotating shaft.

The fixed seat is provided with a first mounting hole and a second mounting hole, the second mounting hole is provided with a blocking part with a notch, and the center line of the first mounting hole and the center line of the second mounting hole form a preset angle;

the sliding block is arranged in the first mounting hole in a sliding manner, and has a first state of extending out of the first mounting hole and a second state of retracting into the first mounting hole;

the rotating shaft is rotatably arranged in the second mounting hole and provided with a protruding part and a groove which are matched with the sliding block, and the sliding block is driven to switch between a first state and a second state when the rotating shaft rotates; when the sliding block is in the first state, the end face of the sliding block is in contact with the protruding part, and the protruding part corresponds to the blocking part so as to prevent the rotating shaft from falling off from the second mounting hole; when the sliding block is in the second state, part of the structure of the sliding block is positioned in the groove, the end surface of the sliding block is in contact with the bottom of the groove, and the protruding part is aligned with the notch; in the state switching process, a part of the structure of the sliding block is positioned in the groove.

The utility model discloses some possible embodiments, the concave part is inwards sunken from the global of pivot, and the extending direction of concave part is perpendicular with the axis of pivot.

In some possible embodiments of the present invention, the protrusion is located at an edge of a groove bottom of the groove portion and extends along an axial direction of the rotation shaft.

The utility model discloses in some possible embodiments, the face that the boss contacted with the terminal surface of slider is the arc surface, and is tangent with the arc surface when the terminal surface of slider contacts with the arc surface.

The utility model discloses in some possible embodiments, the quantity of bellying is unanimous with the quantity of breach, and a bellying corresponds a breach, and the bellying is corresponding with the breach, and the pivot can be installed in place.

The utility model discloses some possible embodiments, the quantity of bellying is two, and two bellying structures are the same and symmetrical arrangement.

The utility model discloses in some possible embodiments, the global first spacing face that is provided with of pivot, be provided with the spacing face of second that laminates mutually with first spacing face on the pore wall of second mounting hole, first spacing face and the spacing face of second cooperate to the restriction pivot continues to remove to the direction that is close to the bottom of first mounting hole.

In some possible embodiments of the present invention, the first limiting surface is provided with a first stopping portion, the second limiting surface is provided with a second stopping portion, and a first side surface of the first stopping portion corresponds to a first side surface of the second stopping portion;

when the first side surface of the first stopping portion contacts with the first side surface of the second stopping portion and the second side surface of the first stopping portion contacts with the second side surface of the second stopping portion, the sliding block is in the first state.

In some possible embodiments of the present invention, the second side surface of the first stopping portion corresponds to the second side surface of the second stopping portion, and when the second side surface of the first stopping portion contacts the second side surface of the second stopping portion, the slider is in the first state.

In some possible embodiments of the present invention, when the distance between the first side of the first stopping portion and the first side of the second stopping portion is equal to the distance between the second side of the first stopping portion and the second side of the second stopping portion, the slider is in the second state.

The utility model discloses in some possible embodiments, pivot and handle complex position are provided with gear portion, and the handle is provided with the ring gear that the cover was established in gear portion with the position that the pivot is relative to fix on gear portion through first fastener.

The utility model discloses some possible embodiments, when the slider state switches, the turned angle of pivot is 30 to 135.

In some possible embodiments of the present invention, the predetermined angle range is 75 ° to 135 °.

In a second aspect, the utility model discloses a travel switch, including the travel switch main part and as above any one's operating mechanism, operating mechanism's base is fixed in the travel switch main part, and operating mechanism's slider passes through the elastic mechanism transmission with the push rod of travel switch main part and is connected.

The utility model discloses some possible embodiments, the elastic mechanism includes fixed column, first elastic component and second elastic component, and wherein, the one end of fixed column sets up on operating mechanism's slider, and the other end and the push rod slidable connection of fixed column, first elastic component are located between push rod and the fixed column, and the second elastic component cover is located the push rod periphery and with slider and travel switch main part butt.

According to the technical scheme, in the operating mechanism of the utility model, when the sliding block is in the first state, the end face of the sliding block is contacted with the bulge part, and the bulge part corresponds to the blocking part so as to prevent the rotating shaft from falling off from the second mounting hole; when the sliding block is in the second state, part of the sliding block is positioned in the groove part, the end surface of the sliding block is contacted with the groove bottom of the groove part, and the bulge part is aligned with the notch; during the state switching process, the sliding block is partially positioned in the groove part. The sliding blocks are in the second state and in the state switching process, part of structures of the sliding blocks are located in the groove portions, and the sliding blocks are matched with the groove portions to prevent the rotating shaft from falling off from the second mounting hole. Therefore, adopt the utility model discloses an operating mechanism can effectively prevent that the pivot from droing, uses its reliability of travel switch of this operating mechanism to effectively improve.

Drawings

In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below. It is obvious that the drawings in the following description are only examples or embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from the provided drawings without inventive effort, and that the invention can also be applied to other similar scenarios from the provided drawings. Unless otherwise apparent from the context, or stated otherwise, like reference numbers in the figures refer to the same structure or operation.

Fig. 1 is a schematic perspective view of an operating mechanism provided in the present invention;

fig. 2 is a schematic perspective exploded view of an operating mechanism provided by the present invention;

fig. 3 is a schematic front view of an operating mechanism provided in the present invention;

FIG. 4 isbase:Sub>A schematic cross-sectional view of section A-A of FIG. 3;

fig. 5 is a schematic top view of an operating mechanism provided in the present invention;

FIG. 6 is a schematic cross-sectional view of section B-B of FIG. 5;

fig. 7 is a schematic perspective view of a fixing base according to an embodiment of the present invention;

fig. 8 is a schematic perspective view of a rotating shaft according to an embodiment of the present invention;

fig. 9 is a front perspective view of the slide block and the rotary shaft in combination according to the embodiment of the present invention;

FIG. 10 is a front exploded view of the slider and shaft of FIG. 9;

fig. 11 is a rear perspective view of the slider and the rotating shaft in combination according to the embodiment of the present invention;

FIG. 12 is a rear exploded view of the slider and shaft of FIG. 11;

fig. 13 is a schematic view illustrating a fitting angle between the rotating shaft and the fixing seat when the operating mechanism according to the embodiment of the present invention is in the first state;

fig. 14 is a schematic view illustrating a fitting angle between the rotating shaft and the sliding block when the operating mechanism according to the embodiment of the present invention is in the first state;

fig. 15 is a schematic view illustrating a fitting angle between the rotating shaft and the fixing seat when the operating mechanism according to the embodiment of the present invention is in the first state;

fig. 16 is a schematic view illustrating a fitting angle between the rotating shaft and the sliding block when the operating mechanism provided by the embodiment of the present invention is in the first state;

fig. 17 is a schematic view illustrating a fitting angle between the rotating shaft and the fixing seat when the operating mechanism according to the embodiment of the present invention is in the second state;

fig. 18 is a schematic view illustrating a fitting angle between the rotating shaft and the sliding block when the operating mechanism according to the embodiment of the present invention is in the second state;

fig. 19 is a schematic perspective view of a travel switch provided in the present invention;

fig. 20 is a schematic front view of a travel switch provided in the present invention;

FIG. 21 is a cross-sectional view of section C-C of FIG. 20;

fig. 22 is a schematic top view of a travel switch provided by the present invention;

FIG. 23 is a cross-sectional view of section D-D of FIG. 22;

fig. 24 is an exploded view of a spring mechanism according to the present invention.

In the figure: 10 is an operating mechanism, 20 is a travel switch main body, 30 is an elastic mechanism, and 40 is a second fastener;

100 is a fixed seat, 200 is a sliding block, 300 is a rotating shaft, 400 is an operating handle and 500 is a sealing ring; 101 is a first mounting hole, 102 is a second mounting hole, 103 is a blocking part, 1031 is a notch, 104 is a second limiting surface, 105 is a second stopping part, 106 is a positioning block; 201 is a first limit fin, 202 is a second limit fin, and 203 is a matching groove; 301 is a groove portion, 302 is a protrusion portion, 303 is a first limit surface, 304 is a first stop portion, 305 is a gear portion, 301a is a groove bottom, and 301b is a groove wall;

21 is a push rod, 21a is a buffer cavity, 21b is a clamping hole, 31 is a fixing column, 31a is a first end, 31b is an opening, 31c is a buckle, 32 is a first elastic piece, and 33 is a second elastic piece.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not to be construed as limiting the invention. The described embodiments are only some, but not all embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

The utility model provides an operating mechanism and travel switch to improve travel switch's reliability.

Referring to fig. 1 to 18, an operating mechanism 10 according to an embodiment of the present invention includes a fixing base 100, a sliding block 200, a rotating shaft 300, and an operating handle 400, wherein: the fixing seat 100 is provided with a first mounting hole 101 and a second mounting hole 102 which are communicated with each other, the hole wall of the second mounting hole 102 is provided with a blocking part 103 with a gap 1031, wherein the first mounting hole 101 extends along a first direction and the second mounting hole 102 extends along a second direction; the sliding block 200 is slidably arranged in the first mounting hole 101 along a first direction, and the sliding block 200 has a first state of extending out of the first mounting hole 101 and a second state of retracting to the first mounting hole 101; the rotating shaft 300 is rotatably arranged in the second mounting hole 102 around the axis thereof, the axis of the rotating shaft 300 is parallel to the second direction, the rotating shaft 300 is provided with a protruding part 302 and a groove part 301 which are matched with the sliding block 200, and the sliding block 200 is driven to switch between the first state and the second state when the rotating shaft 300 rotates; when the sliding block is in the first state, the end surface of the sliding block 200 is in contact with the protruding part 302, and the protruding part 302 corresponds to the blocking part 103 so as to prevent the rotating shaft 300 from falling off from the second mounting hole 102; in the second state, the slider 200 is partially positioned in the groove portion 301, the end surface of the slider 200 contacts with the groove bottom 301a of the groove portion 301, and the protruding portion 302 is aligned with the notch 1031; during the state switching process, a part of the structure of the sliding block 200 is positioned in the groove part 301; the operating handle 400 is used for controlling the rotating shaft 300 to rotate around the axis thereof.

The operating handle 400 is operated to drive the rotating shaft 300 to rotate, when the protruding portion 302 of the rotating shaft 300 contacts with the end surface of the slider 200, the rotating shaft 300 is in the first state, and the rotating shaft 300 extends out of the fixing base 100; when the groove bottom 301a of the groove portion 301 of the rotating shaft 300 contacts with the end surface of the slider 200, the rotating shaft 300 is in the second state, and the rotating shaft 300 retracts into the fixed seat 100. In the above process, when the slider 200 is in the first state, the protrusion 302 corresponds to the blocking portion 103, and can prevent the rotating shaft 300 from falling off from the second mounting hole 102; when the slider 200 is in the second state and the state is switched, part of the structure of the slider 200 is located in the groove portion 301, and the slider 200 can prevent the rotating shaft 300 from falling off from the second mounting hole 102. Therefore, adopt the utility model discloses an operating mechanism 10 can prevent effectively that pivot 300 from droing, uses its reliability of travel switch of this operating mechanism 10 to effectively improve.

It should be noted that, the first mounting hole 101 extends along a first direction, it is understood that a center line O1 of the first mounting hole 101 extends along the first direction, and the second mounting hole 103 extends along a second direction, it is understood that a center line O2 of the second mounting hole 102 extends along the second direction, and the first direction and the second direction are arranged at a predetermined angle, that is, the center line O1 of the first mounting hole 101 and the center line O2 of the second mounting hole 102 are arranged at a predetermined angle. The preset angle can be adjusted according to the position of the lever 400 and the direction of the motion that the slider 200 is required to output. In the illustration, the predetermined angle is 75 ° to 135 °, and in the illustration, the predetermined angle is 90 °. However, the present invention is not limited to the above angle. A state switch may be understood as a switch from a first state to a second state and a switch from the second state to the first state.

The above state is a state when the actuator 10 is assembled as a finished product. When in other states, for example, in an assembled state, the rotating shaft 300 can be installed in the second installation hole 102 only when the protruding portion 302 is aligned with the notch 1031, and after the rotating shaft 300 is installed in place, the slider 200 can be installed in the first installation hole 101, at this time, the slider 200 is located in the groove portion 301, the end surface of the slider 200 contacts with the groove bottom 301a of the groove portion 301, and in this state, the fixed seat 100, the slider 200 and the rotating shaft 300 are installed in place; finally, the lever 400 is mounted on the rotary shaft 300. The lever 400 may also be mounted on the shaft 300 before the shaft 300 is mounted in the second mounting hole 102.

When assembled, the position where the protrusion 302 is aligned with the notch 1031 is the installation state of the rotating shaft 300, and the shape and size of the protrusion 302 are matched with those of the notch 1031.

The groove portion 301 functions to place the slider 200 in the second state when the groove bottom 301a of the groove portion 301 is engaged with the end surface of the slider 200. In the embodiment of the present invention, the groove portion 301 is recessed inward from the circumferential surface of the rotation shaft 300, and the extending direction of the groove portion 301 is perpendicular to the axis of the rotation shaft 300, and the groove portion 301 has the groove wall 301b disposed oppositely and the groove bottom 301a connecting the two groove walls 301 b. The utility model discloses do not do the limited to the concrete structure of concave part 301. The angle of the groove wall 301b of the groove portion 301 with respect to the axis O3 of the rotary shaft 300 can be adaptively adjusted to match the sliding angle of the slider 200 and the set position of the lever 400. When the sliding direction of the slider 200 is perpendicular to the center line around which the lever 400 is wound, i.e., the center line of the first mounting hole 101 and the center line of the second mounting hole 102 make an angle of 90 °, the groove wall 301b of the groove portion 301 is perpendicular to the axis O3 of the rotating shaft 300. The tank bottom 301a of recess portion 301 contacts through the terminal surface with slider 200 to make slider 200 be in the second state, wherein the tank bottom 301a of recess portion 301 and slider 200's terminal surface form and size looks adaptation, as long as can make the terminal surface of slider 200 and the tank bottom 301a of recess portion 301 contact, the structure that slider 200 was in the second state is all in the protection scope of the utility model. The trough bottom 301a may be one face or multiple faces; and may be planar or curved.

The function of the boss 302 is: when the boss 302 is mated at the end face of the slider 200, the slider 200 is brought into the first state. Is formed to protrude outward from the circumferential surface of the rotating shaft 300, and the protrusion 302 is shown to extend in the axial direction of the rotating shaft 300. The protrusion 302 may be understood as long as it protrudes from the circumferential surface of the rotating shaft 300.

The utility model discloses an in the example, be located a marginal at the tank bottom 301a of recess part 301 to along the axial extension of pivot 300, an edge setting of adjacent tank bottom 301a makes pivot 300 rotate and slider 200 cooperation in-process, can switch gently.

The surface of the protruding portion 302 that engages with the end surface of the slider 200 is a curved surface or a flat surface. Preferably, the end face of the slider 200 is tangent to the arc surface when the end face of the slider is in contact with the arc surface.

The number of the convex portions 302 is one or more, and the number of the convex portions 302 is selected according to the on and off requirements of the operating mechanism 10 applied with the travel switch. In the illustration, the number of the protruding portions 302 is two, and the two protruding portions 302 have the same structure and are symmetrically arranged. Further, the two protruding portions 302 are respectively located at two edges of the groove bottom 301a of the groove portion 301, when the rotating shaft 300 rotates until the protruding portions 302 contact with the end surface of the slider 200, the slider 200 is in the first state, and when the rotating shaft 300 rotates until the groove bottom 301a of the groove portion 301 contacts with the end surface of the slider 200, the slider 200 is in the second state. When the rotating shaft 300 rotates by a first angle, the state that one convex part 302 is in contact with the end surface of the slider 200 is switched to the state that the other convex part 302 is in contact with the end surface of the slider 200, wherein the first angle of rotation of the rotating shaft 300 is determined according to the size and specification of the travel switch.

Further, the number of the protruding portions 302 is the same as the number of the notches 1031, and one protruding portion 302 corresponds to one notch 1031, and when the protruding portion 302 corresponds to the notch 1031, the rotating shaft 300 can be installed in place.

In order to optimize the above scheme, a first limiting surface 303 is disposed on the circumferential surface of the rotating shaft 300, a second limiting surface 104 attached to the first limiting surface 303 is disposed on the hole wall of the second mounting hole 102, and the first limiting surface 303 and the second limiting surface 104 are matched to limit the rotating shaft 300 to continuously move toward the direction close to the bottom of the first mounting hole 101.

In order to optimize the above scheme, the slider 200 is stably placed in the first state in order to limit the rotation angle of the rotation shaft 300. The first limiting surface 303 is provided with a first stopping portion 304, the second limiting surface 104 is provided with a second stopping portion 105, and a first side surface 304a of the first stopping portion 304 corresponds to a first side surface 105a of the second stopping portion 105; when the first side 304a of the first blocking portion 304 contacts the first side 105a of the second blocking portion 105, the sliding block 200 is in the first state, as shown in fig. 13 and 14.

And/or when the second side 304b of the first blocking portion 304 corresponds to the second side 105b of the second blocking portion 105, and the second side 304b of the first blocking portion 304 contacts the second side 105b of the second blocking portion 105, the sliding block 200 is in the first state, as shown in fig. 15 and 16.

In some possible embodiments of the present invention, when the distance between the first side 304a of the first stopping portion 304 and the first side of the second stopping portion 105 is equal to the distance between the second side 304b of the first stopping portion 304 and the second side of the second stopping portion 105, the slider 200 is in the second state, as shown in fig. 17 and 18.

The utility model discloses in some possible embodiments, when slider 200 state switches, the turned angle of pivot 300 is 30 to 135, and the operating mechanism in the picture shows that the turned angle of pivot is 90 when the state switches, but, the utility model discloses not only limit to 90.

It should be noted that, the sliding block 200 of the present invention can be extended or retracted into the first mounting hole 101 in cooperation with the rotating shaft 300 and the fixing base 100, i.e. can be switched between the first state and the second state. To this end, the present invention discloses a specific structure of the slider 200, the slider 200 has a first end surface 200a, a second end surface 200d, a bottom surface 200b, a top surface 200c, a first side surface 200e and a second side surface 200f, wherein the first end surface 200a and the second end surface 200d are oppositely disposed, the bottom surface 200b and the top surface 200c are oppositely disposed, the first side surface 200e and the second side surface 200f are oppositely disposed, the first end surface 200a corresponds to the groove bottom 301a of the groove portion 301, the bottom surface 200b corresponds to one groove wall 301b of the groove portion 301, the top surface 200c corresponds to the other groove wall 301b of the groove portion 301, and the first side surface 200e and the second side surface 200f correspond to the hole wall 301b of the first mounting hole 101. The shapes of the first end surface 200a, the second end surface 200d, the bottom surface 200b, the top surface 200c, the first side surface 200e and the second side surface 200f are adjusted according to the structure matched with the first end surface 200a, the second end surface 200d, the bottom surface 200b, the top surface 200c, the first side surface 200e and the second side surface 200f, for example, the first end surface 200a and the second end surface 200d are plane structures; the first side 200e and the second side 200f are cylindrical structures; the top surface 200c and the bottom surface 200b are planar structures.

When the state is switched, a portion of the bottom surface 200b corresponds to one groove wall 301b of the groove portion 301, a portion of the top surface 200c corresponds to the other groove wall 301b of the groove portion 301, and the bottom surface 200b prevents the rotation shaft 300 from falling off when corresponding to the one groove wall 301b of the groove portion 301. In the first state, the first end surface is in contact with the convex portion 302.

Further, in order to improve stability of the rotating shaft 300 and the slider 200 in the process of matching, shaking is reduced. The first end face 200a of the sliding block 200 is provided with a first limiting fin 201 and a second limiting fin 202 which are oppositely arranged, wherein one side face of the first limiting fin 201 is matched with the first side face in shape, and one side face of the second limiting fin 202 is matched with the second side face in shape and is matched with the hole shape of the first mounting hole 101.

Further, a fitting groove having a circular shape is formed at a portion where the top surface is fitted to the groove wall 301b of the groove portion 301.

The shaft 300 and the lever 400 are coupled by a first fastener 403. In some embodiments of the present invention, one end of the handle body 401 is connected to the shaft 300 via the first fastener 403. Furthermore, in order to improve the stability of the operation handle 400 and the rotation shaft 300 during transmission, a gear portion 305 is disposed at a position where the rotation shaft 300 is engaged with the operation handle 400, a gear ring 402 sleeved on the gear portion 305 is disposed at a position where the operation handle 400 is opposite to the rotation shaft 300, and the gear ring is fixed on the gear portion 305 by a first fastening member 403. The first fastening member 403 restricts axial movement of the handle body 401 along the rotation shaft 300, and on the other hand, friction between the first fastening member 403 and the handle 400 body also restricts rotation of the handle 400 relative to the rotation shaft 300. And the gear portion 305 and the ring gear 402 are engaged with each other, further restricting the rotation of the lever 400 relative to the rotary shaft 300.

In order to improve the sealing performance between the rotating shaft 300 and the second mounting hole 102, a sealing ring 500 is further disposed between the rotating shaft 300 and the second mounting hole 102.

Referring to fig. 19 to 24, the travel switch of the present invention includes a travel switch main body 20 and the operating mechanism 10 as described in any of the above embodiments, a base of the operating mechanism 10 is fixed on the travel switch main body 20, and a slider 200 of the operating mechanism 10 is in transmission connection with a push rod 21 of the travel switch main body 20 through an elastic mechanism 30. Since the above-mentioned operating mechanism 10 has the above-mentioned advantages, the travel switch including the operating mechanism 10 has corresponding effects, and will not be described herein again.

The elastic mechanism 30 can provide a damping force when the push rod 21 reciprocates. In some examples, the elastic mechanism 30 includes a fixing column 31, a first elastic member 32 and a second elastic member 33, wherein one end of the fixing column 31 is disposed on the slider 200 of the operating mechanism 10, the other end of the fixing column 31 is slidably connected with the push rod 21, the first elastic member 32 is disposed between the push rod 21 and the fixing column 31, and the second elastic member 33 is sleeved on the periphery of the push rod 21 and abutted against the slider 200 and the travel switch main body 20.

In order to optimize the above technical solution, in some examples of the present invention, the push rod 21 has a buffer cavity 21a for installing the fixing column 31 and the first elastic member 32, and a fastening hole 21b for fastening the fixing column 31, and the fastening hole 21b is a strip-shaped structure. One end of the fixing post 31 is disposed on the slider 200, and the other end of the fixing post 31 is disposed with an opening 31b to form an elastic arm, the outer periphery of the elastic arm has a catch 31c caught in the catch hole 21b, and the cooperation of the catch 31c and the catch hole 21b can prevent the fixing post 31 from being released from the buffer cavity 21a, and at the same time, the catch 31c can also slide in the catch hole 21 b.

A positioning block 106 is disposed at a position of the fixing base 100 opposite to the travel switch main body 20, and a positioning hole is disposed at a position of the travel switch main body 20 corresponding to the positioning block. During assembly, the positioning block 106 is installed in the positioning hole to initially position the operating mechanism 10 and the travel switch main body 20, and then the second fastening member 40 further fixes the fixing base 100 and the travel switch main body 20.

It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. In the case of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other.

It should be understood that "system," "device," "unit," and/or "module" as used in the present disclosure is a method for distinguishing different components, elements, parts, portions, or assemblies of different levels. However, other words may be substituted by other expressions if they accomplish the same purpose.

As used herein, the terms "a," "an," "the," and/or "the" are not intended to be inclusive and include the plural unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" are intended to cover only the explicitly identified steps or elements as not constituting an exclusive list and that the method or apparatus may comprise further steps or elements. An element defined by the phrase "comprising a component of ' 8230 ' \8230; ' does not exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.

Wherein in the description of the embodiments of the present invention, "/" indicates an or meaning, for example, a/B may indicate a or B; "and/or" herein is merely an association describing an associated object, and means that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, in the description of the embodiments of the present invention, "a plurality" means two or more than two.

In the following, the terms "first", "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The present invention uses flow charts to illustrate operations performed by a system according to embodiments of the present invention. It should be understood that the preceding or following operations are not necessarily performed in the exact order in which they are performed. Rather, the steps may be processed in reverse order or simultaneously. Meanwhile, other operations may be added to or removed from these processes.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and the principles of the technology used, and is not intended to limit the present invention. Various modifications and variations of the present invention will be apparent to those skilled in the art. The scope of the present invention is not limited to the specific combinations of the above technical features, but also covers other technical features that are formed by arbitrarily combining the above technical features or their equivalents without departing from the scope of the present invention. For example, the above features and (but not limited to) technical features having similar functions disclosed in the present invention are mutually replaced to form the technical solution.

Claims (10)

1. The utility model provides an operating mechanism which characterized in that, includes fixing base, slider, pivot and operation handle, wherein:

the fixing seat is provided with a first mounting hole and a second mounting hole which are communicated with each other, and the hole wall of the second mounting hole is provided with a blocking part with a notch, wherein the first mounting hole extends along a first direction, and the second mounting hole extends along a second direction;

the sliding block can be arranged in the first mounting hole in a sliding manner along a first direction, and the sliding block has a first state of extending out of the first mounting hole and a second state of retracting to the first mounting hole;

the rotating shaft is arranged in the second mounting hole in a manner of rotating around the axis of the rotating shaft, the axis of the rotating shaft extends along a second direction, the rotating shaft is provided with a protruding part and a groove part which are matched with the sliding block, and the sliding block is driven to switch between a first state and a second state when the rotating shaft rotates; when the sliding block is in the first state, the end face of the sliding block is in contact with the protruding part, and the protruding part corresponds to the blocking part so as to prevent the rotating shaft from falling off from the second mounting hole; when the sliding block is in the second state, part of the structure of the sliding block is positioned in the groove part, the end surface of the sliding block is contacted with the groove bottom of the groove part, and the protruding part is aligned with the notch; in the state switching process, the sliding block is provided with a part of structure positioned in the groove part;

the operating handle is used for controlling the rotating shaft to rotate around the axis of the rotating shaft.

2. The actuator of claim 1, wherein the recess is recessed inwardly from a circumference of the shaft and extends perpendicular to an axis of the shaft; and/or the presence of a gas in the atmosphere,

the convex part is positioned at one edge of the groove bottom of the groove part and extends along the axial direction of the rotating shaft; and/or the presence of a gas in the atmosphere,

the surface that the bellying with the terminal surface of slider contacts is the arc surface, the terminal surface of slider with when the arc surface contacts with the arc surface is tangent.

3. The actuator of claim 1 wherein the number of said protrusions corresponds to the number of said notches, and one of said protrusions corresponds to one of said notches, and said shaft is capable of being installed in place when said protrusion corresponds to said notch.

4. The actuator of claim 3 wherein there are two of said bosses, and said bosses are identical and symmetrically arranged.

5. The operating mechanism according to claim 1, wherein a first limiting surface is disposed on a circumferential surface of the rotating shaft, a second limiting surface attached to the first limiting surface is disposed on a wall of the second mounting hole, and the first limiting surface and the second limiting surface cooperate with each other to limit the rotating shaft from moving in a direction approaching the bottom of the first mounting hole.

6. The operating mechanism according to claim 5, wherein the first limiting surface is provided with a first stopping portion, the second limiting surface is provided with a second stopping portion, and a first side surface of the first stopping portion corresponds to a first side surface of the second stopping portion;

when the first side surface of the first stopping portion contacts with the first side surface of the second stopping portion and the second side surface of the first stopping portion contacts with the second side surface of the second stopping portion, the sliding block is in a first state.

7. The actuator of claim 6, wherein the second side of the first stop portion corresponds to the second side of the second stop portion, and the slider is in the first state when the second side of the first stop portion contacts the second side of the second stop portion; and/or the presence of a gas in the atmosphere,

when the distance between the first side surface of the first stopping portion and the first side surface of the second stopping portion is equal to the distance between the second side surface of the first stopping portion and the second side surface of the second stopping portion, the sliding block is in the second state.

8. The operating mechanism according to any one of claims 1 to 7, wherein a gear portion is disposed at a portion of the rotating shaft engaged with the operating handle, and a gear ring sleeved on the gear portion is disposed at a portion of the operating handle opposite to the rotating shaft and is fixed to the gear portion by a first fastening member.

9. A travel switch, characterized by comprising a travel switch main body and an operating mechanism according to any one of claims 1 to 8, wherein a base of the operating mechanism is fixed on the travel switch main body, and a sliding block of the operating mechanism is in transmission connection with a push rod of the travel switch main body through an elastic mechanism.

10. The travel switch of claim 9, wherein the elastic mechanism includes a fixed post, a first elastic element, and a second elastic element, wherein one end of the fixed post is disposed on a slider of the operating mechanism, the other end of the fixed post is slidably connected to the push rod, the first elastic element is disposed between the push rod and the fixed post, and the second elastic element is disposed on an outer periphery of the push rod and abuts against the slider and the travel switch body.

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