CN115312335B - Travel switch convenient to installation operation - Google Patents
Travel switch convenient to installation operation Download PDFInfo
- Publication number
- CN115312335B CN115312335B CN202211195130.6A CN202211195130A CN115312335B CN 115312335 B CN115312335 B CN 115312335B CN 202211195130 A CN202211195130 A CN 202211195130A CN 115312335 B CN115312335 B CN 115312335B
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- Prior art keywords
- base
- scriber
- rack structure
- pressing
- travel switch
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- 238000009434 installation Methods 0.000 title claims description 15
- 238000003825 pressing Methods 0.000 claims abstract description 72
- 239000000696 magnetic material Substances 0.000 claims 1
- 229910000746 Structural steel Inorganic materials 0.000 description 13
- 238000005553 drilling Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 230000005489 elastic deformation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/16—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift
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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
-
- 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
- H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
Landscapes
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The invention is suitable for the technical field of travel switches, and provides a travel switch convenient to install and operate, which comprises: the electronic device comprises a shell and a base, wherein a trigger type electronic element is arranged in the shell, and the shell is fixedly connected with the base; the novel drawing machine is characterized in that a plurality of pressing rods and rotary rods are arranged in the base, the pressing rods are connected with the base in a sliding mode, the rotary rods are hinged to the base, first scribes and second scribes are fixedly connected to the pressing rods and the rotary rods respectively, and track cross points of the first scribes and the second scribes and circle centers of base mounting holes are arranged concentrically. Therefore, the structure of the invention is simple, the cross scribing of the first thimble and the second thimble is realized by utilizing the meshing time difference between the pressing rod and the rotating rod, and the high-precision determination of the central position of the mounting hole is realized; utilize one to press the meshing of depression bar and four rotary rods, the action of pressing one is marked a line when having realized four mounting hole centers, easy operation facilitates the use, has improved work efficiency.
Description
Technical Field
The invention relates to the technical field of travel switches, in particular to a travel switch convenient to install and operate.
Background
A travel switch is one of position switches (also called limit switches) and is a common low-current master control electrical appliance. The contact of the mechanical motion part is operated by the collision to realize the connection or disconnection of the control circuit, thereby achieving a certain control purpose. Generally, such switches are used to limit the position or stroke of the movement of the machine, so that the moving machine can automatically stop, move in reverse, shift or automatically move back and forth according to a certain position or stroke.
During installation of the elevator, a plurality of travel switches need to be installed. The rail on which the elevator slides up and down is generally fixed around the inner wall of the elevator shaft, and in order to prevent the travel switch from affecting the up-and-down operation of the elevator, the travel switch is fixed on the outer side of the rail, so that the operation space for installing the travel switch is narrow. When the travel switch is fixed, scribing and drilling are needed on the track, the relative position requirements of the four mounting holes are strict, and when the travel switch is operated on site, if a method of scribing by a graduated scale is adopted, the operation is complicated, and the efficiency is low; the marking pen is used for marking points and marking in the mounting holes, and the marking pen is thick in diameter, so that the positioning accuracy is low, only three or two holes in the four mounting holes can be used due to errors of the positions of the drilling holes, the travel switch is not firmly fixed, the travel switch falls off when the travel switch is used for a long time, and the use of the elevator is influenced.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
Disclosure of Invention
In view of the above-mentioned drawbacks, an object of the present invention is to provide a travel switch which is easy to install and operate, has a simple structure, and realizes cross scribing of a first thimble and a second thimble and high-precision determination of the center position of an installation hole by using the meshing time difference between a pressing rod and a rotating rod; utilize one to press the meshing of depression bar and four rotary rods, one is pressed the action and is drawn a line when having realized four mounting hole centers, easy operation facilitates the use, has improved work efficiency.
In order to achieve the above object, the present invention provides a travel switch facilitating mounting operation, comprising: the trigger type electronic component is arranged in the shell, and the shell is fixedly connected with the base;
the base is internally provided with a plurality of pressing rods and a plurality of rotating rods, the pressing rods are connected with the base in a sliding manner, the rotating rods are hinged with the base, the pressing rods and the rotating rods are respectively and fixedly connected with a first scriber and a second scriber, and the track intersection point of the first scriber and the second scriber and the circle center of the base mounting hole are concentrically arranged;
a second rack structure is arranged on the outer wall of the hinged end of the rotating rod, a first rack structure is arranged on the pressing rod corresponding to the second rack structure, and the first rack structure and the second rack structure can be meshed;
a spring is arranged between the pressing rod and the base.
According to the travel switch convenient to install and operate, the pressing rod is fixedly connected with the two first supporting arms, the two ends of each first supporting arm are fixedly connected with the first scriber, and the first scribers are arranged corresponding to the installation holes.
According to the travel switch convenient to mount and operate, the base is provided with the supporting block corresponding to the first supporting arm, and the supporting block can outwards support the first supporting arm.
According to the travel switch convenient to mount and operate, the rotating rod is in threaded connection with the base, and when the rotating rod rotates to the area of the mounting hole, the second scriber protrudes out of the base.
According to the travel switch convenient to mount and operate, the number of the pressing rods is one, the pressing rods are located in the middle of the base, and the 4 rotating rods are symmetrically arranged on two sides of the pressing rods.
According to the travel switch convenient to install and operate, the pressing rod is provided with an avoiding space corresponding to the rotating rod, the avoiding space is arranged adjacent to the first rack structure, when the first scriber does not cross the circle center position of the installation hole, the avoiding space is matched with the second rack structure, and when the first scriber crosses the circle center position of the installation hole, the first rack structure is meshed with the second rack structure.
According to the travel switch convenient to install and operate, the pressing rod can protrude out of the outer wall of the base.
According to the travel switch convenient to install and operate, the bottom of the base is fixedly connected with the magnetic substance.
The invention comprises the following steps: the electronic device comprises a shell and a base, wherein a trigger type electronic element is arranged in the shell, and the shell is fixedly connected with the base; the base is internally provided with a plurality of pressing rods and a plurality of rotating rods, the pressing rods are connected with the base in a sliding manner, the rotating rods are hinged with the base, the pressing rods and the rotating rods are respectively and fixedly connected with a first scriber and a second scriber, and the track intersection point of the first scriber and the second scriber and the circle center of the base mounting hole are concentrically arranged; the structure is simple, the cross scribing of the first thimble and the second thimble is realized by utilizing the meshing time difference between the pressing rod and the rotating rod, and the high-precision determination of the central position of the mounting hole is realized; utilize one to press the meshing of depression bar and four rotary rods, the action of pressing one is marked a line when having realized four mounting hole centers, easy operation facilitates the use, has improved work efficiency.
Drawings
FIG. 1 is a schematic view of the mounting structure of the present invention; FIG. 2 is a schematic view of the backside structure of the present invention; FIG. 3 is a schematic view of the internal structure of the base of the present invention; FIG. 4 is a schematic view of the base of the present invention in a first operating state; FIG. 5 is a schematic structural view of the base of the present invention in a second operating state; FIG. 6 is a schematic view of the pressing rod according to the present invention; FIG. 7 is a schematic view of the structure of the rotary lever of the present invention; FIG. 8 is a schematic view of an assembled structure of the rotating lever of the present invention; in the figure, 1-shell, 2-base, 21-pressing rod, 211-first supporting arm, 212-first scriber, 213-avoiding space, 214-first rack structure, 215-bulge, 22-rotating rod, 221-second rack structure, 222-second scriber, 23-supporting block, 24-magnetic substance, 25-track groove, 26-mounting hole, 27-spiral shaft, 271-torsion spring.
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 do not limit the invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed 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 at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "over," and "under" a second feature may be directly or obliquely above the second feature, or may simply mean that the first feature is at a lesser level than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Referring to fig. 1 to 7, the present invention provides a travel switch that facilitates an installation operation. This travel switch convenient to installation operation includes: casing 1 and base 2, be equipped with trigger formula electronic component in the casing 1, trigger formula electronic component can realize cutting off and the intercommunication of circuit after external equipment's the triggering, and trigger formula electronic component includes: deflector rod, a plurality of terminal and can communicate the sheetmetal of corresponding terminal, the structure that triggers formula electronic component belongs to prior art, and no longer repeated here. The shell 1 is fixedly connected with the base 2; the base 2 is provided with a plurality of mounting holes 26, and the base 2 is fixedly connected to angle iron to be mounted through the mounting holes 26.
The base 2 is internally provided with a plurality of pressing rods 21 and a plurality of rotating rods 22, the pressing rods 21 are connected with the base 2 in a sliding manner, the rotating rods 22 are hinged with the base 2, the pressing rods 21 and the rotating rods 22 are respectively and fixedly connected with a first scriber 212 and a second scriber 222, and the track intersection point of the first scriber 212 and the second scriber 222 and the circle center of the mounting hole 26 on the base 2 are concentrically arranged. When the pressing rod 21 moves, the first scriber 212 scribes a straight line passing through the center of the mounting hole 26 on the surface of the angle iron, when the rotating rod 22 rotates, the second scriber 222 scribes an arc passing through the center of the mounting hole 26, the intersection point of the straight line and the arc is the position of the center of the mounting hole 26, and then punching and drilling are performed at the position of the center of the circle, so that the drilling precision is improved, and the drilling difficulty is reduced. Need not additionally adopt the ruler to carry out alone and rule, improved work efficiency. The base 2 is generally provided with four mounting holes 26, and the back of the base 2 is provided with a track groove 25 corresponding to the movement of the first scriber 212 and the second scriber 222 for scribing on the surface of the angle iron.
Referring to fig. 5 to 7, further, the outer wall of the hinged end of the rotating rod 22 is provided with a second rack structure 221; the pressing rod 21 is provided with a first rack structure 214 corresponding to the second rack structure 221, and the first rack structure 214 and the second rack structure 221 can be meshed. When the pressing lever 21 moves, the rotating lever 22 can be rotated. By moving the pressing rod 21, the first scribing needle 212 and the second scribing needle 222 can be synchronously scribed, so that the operation difficulty is reduced, and the scribing efficiency is improved.
Further, the pressing rod 21 is elastically connected to the base 2. The pressing rod 21 is provided with a protrusion 215, a spring is arranged between the protrusion 215 and the base 2, and the spring pushes out the pressing rod 21 in a normal state, so that one end of the pressing rod 21 protrudes out of the outer surface of the base 2. The spring can push out the pressing rod 21, and when single scribing is unclear, the pressing rod can be pressed for many times, so that the scribing can be carried out for many times, and the scribing effect is ensured.
Further, the pressing rod 21 is fixedly connected with two first supporting arms 211, and both ends of the first supporting arms 211 are fixedly connected with the first scriber 212. The two first support arms 211 are set corresponding to the positions of the mounting holes 26, and the first support arms 211 do not affect the penetration of the mounting holes 26 in a normal state. The mounting position of first support arm 211 is close to the lower part of base 2, and the mounting position of rotary rod 22 is close to the upper portion of base 2, and when rotary rod 22 rotated to mounting hole 26 position, the lower surface of rotary rod 22 still was higher than the upper surface of first support arm 211, promptly: the first support arm 211 does not interfere with the movable range of the rotating lever 22 in the vertical space.
Further, the base 2 is provided with a supporting block 23 corresponding to the first supporting arm 211, and the supporting block 23 can support the first supporting arm 211 outwards. The two sides of the first supporting arm 211 are suspended in the air, and slight elastic deformation can occur. When the first supporting arm 211 moves, the supporting block 23 supports the first supporting arm 211 outwards, so that the first scriber 212 can mark the surface of the angle iron, and the surface of the supporting block 23 is provided with an inclined surface structure, so that when the first scriber 212 passes through the mounting hole 26 area, the first scriber 212 expands outwards and protrudes out of the surface of the base 2, so that the first scriber 212 marks the surface of the angle iron. The supporting block 23 determines the ejection distance of the first scriber 212 according to actual needs, so that scratches can be left on the surface of the angle iron by the first scriber 212, the first thimble cannot be clamped by the angle iron due to the fact that the ejection distance is too large, meanwhile, the inclined surface structure on the surface of the supporting block 23 enables the first scriber 212 to be located inside the base 2 in a normal state, and the situation that when the base 2 is installed, the first scriber 212 protrudes out of the surface of the base 2 to cause unstable fixation of the base 2 is avoided.
Referring to fig. 8, further, the rotating rod 22 is screwed to the base 2. The base 2 is provided with a screw shaft 27, the rotating rod 22 is in threaded connection with the screw shaft 27, and the thread pitch of the thread on the surface of the screw shaft 27 is determined according to actual requirements. When the rotating lever 22 is rotated, the rotating lever 22 is rotated up or down along the screw shaft 27. After the rotating rod 22 rotates and descends for a certain distance, the second scriber 222 on the rotating rod 22 protrudes out of the surface of the base 2, so that marks can be marked on the surface of the angle iron when the second scriber 222 passes through the area of the mounting hole 26. The rotary rod 22 is similar to a cantilever beam structure, and when the rotary rod 22 is subjected to the reaction force of the angle iron, slight elastic deformation can occur, so that the second scriber 222 can mark marks on the surface of the angle iron and cannot be clamped on the angle iron within a reasonable range.
Furthermore, the number of the pressing rods 21 is one, the pressing rods 21 are located in the middle of the base 2, the number of the rotating rods 22 is four, and 4 rotating rods 22 are symmetrically arranged on two sides of the pressing rods 21. The straight line marking of the four mounting holes 26 is realized by one pressing rod 21, the operation difficulty of the straight line marking is reduced, and the working efficiency is improved. The rotating rods 22 are symmetrically arranged on two sides of the pressing rod 21, and the torsion springs 271 are arranged between the rotating rods 22 and the base 2, so that the rotating rods 22 are abutted to the inner wall of the base 2 in a normal state, the rotating rods 22 are located on the outer side of the area of the mounting hole 26 in the normal state, and interference of the rotating rods 22 to the use of the mounting hole 26 is avoided.
Further, the pressing rod 21 is provided with an avoiding space 213 corresponding to the rotating rod 22, the avoiding space 213 is disposed adjacent to the first rack structure 214, when the first scriber 212 does not cross the center of the mounting hole 26, the avoiding space 213 is engaged with the second rack structure 221, and when the first scriber 212 crosses the center of the mounting hole 26, the first rack structure 214 is engaged with the second rack structure 221. The pressing rod 21 moves, the first supporting arm 211 drives the first scriber 212 to perform linear scribing in the region of the mounting hole 26, when the first scriber 212 passes through the center of the mounting hole 26, the first rack structure 214 is meshed with the second rack structure 221, the pressing rod 21 continues to move, the first rack structure 214 drives the rotating rod 22 to rotate, the second scriber 222 at the tail end of the rotating rod 22 rotates and passes through the center of the mounting hole 26, and intersection of a straight line and an arc line is achieved. Then, the pressing rod 21 is released, the first rack structure 214 drives the rotating rod 22 to rotate reversely, the rotating rod 22 gradually returns, and when the first rack structure 214 is separated from the second rack structure 221, the rotating rod 22 continues to rotate under the torsion of the torsion spring 271 until the rotating rod 22 returns; after the first rack structure 214 is separated from the second rack structure 221, the pressing rod 21 moves backward under the elastic force of the spring, and the first supporting arm 211 moves backward until it is restored.
Further, the pressing rod 21 may protrude from an outer wall of the base 2. The movement of the pressing rod 21 can be realized by manual pressing without using other pressing tools, and the device is simple to operate and convenient to use.
Referring to fig. 2, further, a magnetic substance 24 is disposed at the bottom of the base 2, and the magnetic substance 24 may be a magnet. Magnet inlays in base 2, before the marking off, adsorbs base 2 on the angle bar earlier to debug the mounted position, after confirming the mounted position, base 2 is fixed to a hand, and the other hand is to pressing the application of force of depression bar 21, makes the straight line of every mounting hole 26 department and pitch arc mark simultaneously.
Referring to fig. 2 to 8, when the travel switch convenient for installation and operation is installed, the base 2 is firstly adsorbed on the corresponding angle iron, after the installation position is adjusted, one hand fixes the base 2, the other hand applies force to the pressing rod 21, the pressing rod 21 moves towards the inside of the base 2, the first supporting arm 211 drives the first scriber 212 to move, when the first scriber 212 passes through the installation hole 26 region, the supporting block 23 pushes the first scriber 212 outwards, so that the first scriber 212 leaves scratches on the surface of the angle iron, the pressing rod 21 continues to move, the first rack structure 214 drives the second rack structure 221 to rotate, the second scriber 222 at the tail end of the rotating rod 22 rotates and moves downwards, and an arc line is scribed in the installation hole 26 region, at this time, the first supporting arm 211 passes through the center position of the installation hole 26 and continues to move forwards, and does not interfere with the movement of the second scriber 222; the intersection point of the drawn arc line and the drawn straight line is the circle center position of the mounting hole 26, and the diameter of the scribing needle is smaller than that of other scribing tools such as a marking pen and the like, so that the scribing precision is higher, and the drilling center position is more accurate. Then, the pressing lever 21 is released, and the pressing lever 21 and the rotating lever 22 are moved in the reverse direction and reset.
In summary, the present invention includes: the trigger type electronic component is arranged in the shell, and the shell is fixedly connected with the base; the device comprises a base, a plurality of pressing rods and a plurality of rotating rods, wherein the pressing rods are connected with the base in a sliding mode, the rotating rods are hinged to the base, a first scriber and a second scriber are fixedly connected to the pressing rods and the rotating rods respectively, and the track intersection point of the first scriber and the second scriber and the circle center of a base mounting hole are arranged concentrically; the structure is simple, the cross scribing of the first thimble and the second thimble is realized by utilizing the meshing time difference between the pressing rod and the rotating rod, and the high-precision determination of the central position of the mounting hole is realized; utilize one to press the meshing of depression bar and four rotary rods, the action of pressing one is marked a line when having realized four mounting hole centers, easy operation facilitates the use, has improved work efficiency.
In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. A travel switch for facilitating installation operations, comprising: the trigger type electronic component is arranged in the shell, and the shell is fixedly connected with the base;
the base is internally provided with 1 pressing rod and 4 rotating rods, the pressing rod is connected with the base in a sliding manner, the rotating rods are hinged with the base, the pressing rod is positioned in the middle of the base, and the 4 rotating rods are symmetrically arranged on two sides of the pressing rod;
a first scriber and a second scriber are fixedly connected to the pressing rod and the rotating rod respectively, the pressing rod is fixedly connected with two first supporting arms, two ends of each first supporting arm are fixedly connected with the first scriber, and the first scribers are arranged corresponding to the mounting holes of the base; the track intersection point of the first scriber and the second scriber is concentrically arranged with the circle center of the mounting hole of the base;
a second rack structure is arranged on the outer wall of the hinged end of the rotating rod, a first rack structure is arranged on the pressing rod corresponding to the second rack structure, and the first rack structure and the second rack structure can be meshed;
a spring is arranged between the pressing rod and the base.
2. The travel switch of claim 1, wherein the base is provided with a support block corresponding to the first support arm, and the support block can support the first support arm outwards.
3. The travel switch of any one of claims 1-2, wherein the rotating rod is threadedly engaged with the base, and the second scriber protrudes from the base when the rotating rod is rotated to the area of the mounting hole.
4. The travel switch convenient to mount and operate as recited in claim 3, wherein the pressing rod is provided with an avoiding space corresponding to the rotating rod, the avoiding space is disposed adjacent to the first rack structure, the avoiding space is engaged with the second rack structure when the first scriber does not cross the center of the mounting hole, and the first rack structure is engaged with the second rack structure when the first scriber crosses the center of the mounting hole.
5. The travel switch of claim 4, wherein the push rod is capable of protruding beyond an outer wall of the base.
6. The travel switch of claim 5, wherein a magnetic material is fixedly attached to the base bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211195130.6A CN115312335B (en) | 2022-09-29 | 2022-09-29 | Travel switch convenient to installation operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211195130.6A CN115312335B (en) | 2022-09-29 | 2022-09-29 | Travel switch convenient to installation operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115312335A CN115312335A (en) | 2022-11-08 |
| CN115312335B true CN115312335B (en) | 2022-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211195130.6A Active CN115312335B (en) | 2022-09-29 | 2022-09-29 | Travel switch convenient to installation operation |
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| Country | Link |
|---|---|
| CN (1) | CN115312335B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6188148B1 (en) * | 1998-04-10 | 2001-02-13 | Marie Christine Curreno | Marking device |
| CN203045721U (en) * | 2013-01-18 | 2013-07-10 | 江苏四方锅炉有限公司 | Centering device used for boiler tube plate |
| CN107052862A (en) * | 2017-04-14 | 2017-08-18 | 江阴市江顺模具有限公司 | Multistage cylinder line and drilling safe frock and line and drilling method |
| CN111207651A (en) * | 2020-01-07 | 2020-05-29 | 国网河北省电力有限公司 | All-angle clamps perforated to length |
| CN215548615U (en) * | 2021-06-07 | 2022-01-18 | 衢州中等专业学校 | Pipe fitting centering tool |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9333642B2 (en) * | 2013-10-07 | 2016-05-10 | Brooks COURTNEY | Cabinet jig device with adjustable fasteners and related methods |
-
2022
- 2022-09-29 CN CN202211195130.6A patent/CN115312335B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6188148B1 (en) * | 1998-04-10 | 2001-02-13 | Marie Christine Curreno | Marking device |
| CN203045721U (en) * | 2013-01-18 | 2013-07-10 | 江苏四方锅炉有限公司 | Centering device used for boiler tube plate |
| CN107052862A (en) * | 2017-04-14 | 2017-08-18 | 江阴市江顺模具有限公司 | Multistage cylinder line and drilling safe frock and line and drilling method |
| CN111207651A (en) * | 2020-01-07 | 2020-05-29 | 国网河北省电力有限公司 | All-angle clamps perforated to length |
| CN215548615U (en) * | 2021-06-07 | 2022-01-18 | 衢州中等专业学校 | Pipe fitting centering tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115312335A (en) | 2022-11-08 |
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Denomination of invention: A travel switch convenient for installation and operation Effective date of registration: 20230322 Granted publication date: 20221209 Pledgee: Bank of Dezhou Co.,Ltd. Ningjin Sub branch Pledgor: SHANDONG BOLT ELEVATOR Co.,Ltd. Registration number: Y2023980035870 |
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