CN114038693A - Detection apparatus for enlarge trigger distance - Google Patents
Detection apparatus for enlarge trigger distance Download PDFInfo
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- CN114038693A CN114038693A CN202111316402.9A CN202111316402A CN114038693A CN 114038693 A CN114038693 A CN 114038693A CN 202111316402 A CN202111316402 A CN 202111316402A CN 114038693 A CN114038693 A CN 114038693A
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- rod
- transverse
- rod body
- longitudinal
- longitudinal rod
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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
- H01H3/46—Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle
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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
- H01H2003/323—Driving mechanisms, i.e. for transmitting driving force to the contacts the mechanisms being adjustable
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- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a detection device for amplifying a trigger distance, which comprises: the longitudinal rod is arranged on the fixed frame through an articulated shaft to form a revolute pair, the rod body of the longitudinal rod at one side of the articulated shaft is a short rod body, the rod body at the other side of the articulated shaft is a long rod body, and the length of the long rod body is greater than that of the short rod body; a transverse through hole is formed in the fixing frame on one side of the short rod body of the longitudinal rod, the transverse rod is movably arranged in the transverse through hole in a penetrating mode to form a transverse linear moving pair, and at least one end of the transverse rod extends out of the fixing frame from the transverse through hole to serve as a contact triggering end; the transverse rod is movably connected with the short rod body of the longitudinal rod through a transmission shaft; the long rod body one end fixed connection response piece of longitudinal rod, this response piece position corresponds with the fixed detection switch's that sets up in the outside position to with the detection switch interval setting, can be close to and trigger detection switch under the drive of pivoted longitudinal rod. The device has the advantages of high sensitivity, good stability and wide application range.
Description
Technical Field
The invention relates to the field of amusement equipment, in particular to a detection device for amplifying a trigger distance for the amusement equipment.
Background
Usually, some limit or detection devices are used for the running parts in the amusement equipment, and detection switches are often arranged in the limit or detection devices as main limit or detection devices.
However, the existing detection switch is generally directly triggered by the running component and needs a certain triggering distance to trigger, but due to the insufficient triggering distance, the problems that the sensitivity of the detection switch cannot meet the requirements of equipment limitation and detection and the like often occur.
Disclosure of Invention
Based on the problems in the prior art, the invention aims to provide a detection device for amplifying a trigger distance, which can solve the problem that the limit and detection requirements of equipment cannot be met due to the fact that the trigger distance of a detection switch is not enough and cannot be triggered timely in a limit or detection device in the existing amusement equipment.
The purpose of the invention is realized by the following technical scheme:
an embodiment of the present invention provides a detection apparatus for amplifying a trigger distance, including:
the device comprises a fixing frame, a transverse rod, a transmission shaft, a hinged shaft, a longitudinal rod, a sensing piece and a detection switch; wherein the content of the first and second substances,
the longitudinal rod is arranged on the fixed frame through the articulated shaft to form a revolute pair, in the revolute pair, the rod body of the longitudinal rod on one side of the articulated shaft is a short rod body, the rod body on the other side of the articulated shaft is a long rod body, and the length of the long rod body is greater than that of the short rod body;
a transverse through hole is formed in the fixing frame on one side of the short rod body of the longitudinal rod, the transverse rod (3) is movably arranged in the transverse through hole in a penetrating mode to form a transverse linear moving pair, and in the transverse linear moving pair, at least one end of the transverse rod (3) extends out of the fixing frame from the transverse through hole to serve as a contact trigger end;
the transverse rod is movably connected with the short rod body of the longitudinal rod through the transmission shaft;
the sensing piece is fixedly connected to one end of the long rod body of the longitudinal rod, the position of the sensing piece corresponds to the position of the detection switch fixedly arranged on the outer side, the sensing piece and the detection switch are arranged at intervals, and the sensing piece can be driven by the longitudinal rod to be close to and trigger the detection switch.
According to the technical scheme provided by the invention, the detection device for amplifying the trigger distance provided by the embodiment of the invention has the beneficial effects that:
the rotary pair formed by the longitudinal rod matching hinged shaft is arranged on the fixing frame, the transverse linear moving pair formed by the transverse rod matching transverse through hole is arranged at the short rod end of the longitudinal rod, the short rod body end of the longitudinal rod of the rotary pair is connected with the transverse rod, so that when the transverse rod carries out small-distance displacement, a large displacement distance is obtained at one end, connected with the inductor, of the long rod body of the longitudinal rod, a small contact distance is realized, an amplified trigger distance is obtained, the requirement for detecting the trigger distance of the switch is met, and the detection sensitivity is effectively improved. The detection device is not complex in structure, amplification of the trigger distance is achieved in a mechanical motion mode through organic connection of all parts, stability is good, and sensitivity is high.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a schematic diagram of a zero attitude of a detection apparatus for amplifying a trigger distance according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a trigger gesture of a detection device for amplifying a trigger distance according to an embodiment of the present invention;
FIG. 3 is a schematic view of the detection apparatus of FIG. 1 in the direction of K;
FIG. 4 is a cross-sectional view taken at A-A of the detection device of FIG. 2;
FIG. 5 is a cross-sectional view at B-B of the detection device of FIG. 2;
FIG. 6 is a schematic diagram of the zero attitude of the detection device for amplifying the trigger distance of two detection positions according to the second embodiment of the present invention;
fig. 7 is a schematic diagram of a trigger gesture of a detection device for amplifying a trigger distance of two detection positions according to a second embodiment of the present invention;
FIG. 8 is a schematic view of the detection apparatus of FIG. 6 in the direction of K;
FIG. 9 is a cross-sectional view taken at A-A of the detection device of FIG. 7;
FIG. 10 is a cross-sectional view at B-B of the detection device of FIG. 7;
the part names corresponding to the marks in the figure are as follows: 1-a fixed mount; 2-resetting the elastic buffer device; 3-a transverse bar; 4-a transmission shaft; 5-a hinged shaft; 06-longitudinal rod; 7-a sensing member; 8-detection switch.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the specific contents of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention. Details which are not described in detail in the embodiments of the invention belong to the prior art which is known to the person skilled in the art.
As shown in fig. 1 and 2, an embodiment of the present invention provides a detection apparatus for amplifying a trigger distance, including:
the device comprises a fixed frame 1, a transverse rod 3, a transmission shaft 4, a hinged shaft 5, a longitudinal rod 6, an induction piece 7 and a detection switch 8; wherein the content of the first and second substances,
the longitudinal rod 6 is arranged on the fixed frame 1 through the articulated shaft 5 to form a revolute pair, in the revolute pair, a rod body of the longitudinal rod 6 positioned on one side of the articulated shaft 5 is a short rod body, a rod body on the other side is a long rod body, and the length of the long rod body is greater than that of the short rod body;
a transverse through hole is formed in the fixing frame 1 on one side of the short rod body of the longitudinal rod 6, the transverse rod 3 is movably arranged in the transverse through hole in a penetrating mode to form a transverse linear moving pair, and in the transverse linear moving pair, at least one end of the transverse rod 3 extends out of the fixing frame 1 from the transverse through hole to serve as a contact triggering end;
the transverse rod 3 is movably connected with the short rod body of the longitudinal rod 6 through the transmission shaft 4;
one end of the long rod body of the longitudinal rod 6 is fixedly connected with the sensing piece 7, the position of the sensing piece 7 corresponds to the position of the detection switch 8 fixedly arranged on the outer side, the sensing piece and the detection switch 8 are arranged at intervals, and the sensing piece can be driven by the longitudinal rod 6 to be close to and trigger the detection switch 8.
In the detection device, the transverse linear moving pair and the rotating pair are matched to form a moving guide rod mechanism, so that small displacement can be sent out to the transverse linear moving pair, and amplified displacement can be obtained at the long rod body end of the rotating pair.
Further, the above detection device further includes: the reset buffer elastic device 2 is connected with the longitudinal rod 6 and can reset the longitudinal rod 6.
Preferably, the above-mentioned reset buffer elastic device 2 is a stretching elastic device, such as any one of a spring, a tension spring and an oil pressure buffer, one end of the stretching elastic device is connected with one side of the longitudinal rod 6, the other end of the stretching elastic device is connected with the fixing frame 1, the stretching elastic device can reset and buffer the longitudinal rod 6 by stretching elastic force, and the reset buffer elastic device 2 is preferably connected with one side of the long rod body of the longitudinal rod 6, so that the reset can be better realized. For the detection device of two detection positions, can set up two buffering resilient means 2 that reset, connect with the long rod body of longitudinal rod 6 from both sides, can reset two detection positions.
The above-mentioned restoring and buffering elastic device 2 may also be a torsional elastic device, such as a torsion spring, one end of which is disposed on the hinge shaft 5 and the other end of which is connected to the longitudinal rod 6, and can restore and buffer the longitudinal rod 6 with torsional elasticity.
In the detection device, the length of the transverse rod 3 extending out of the fixing frame 1 is smaller than the zero posture distance between the sensing piece 7 and the detection switch 8. The zero posture interval refers to the situation that the longitudinal rod 6 is in an unstressed state, the distance between the sensing part 7 and the detection switch 8 arranged on the longitudinal rod 6 is small, and the transverse rod 3 is small in length outside the fixing frame 1, the amplification of a rotating pair is formed through the longitudinal rod 6, the trigger distance is amplified, and the sensing part 7 can be close to and trigger the detection switch 8.
Preferably, the zero-position attitude distance between the sensing element 7 and the detection switch 8 is L1 × M ÷ N; wherein L1 is the moving distance of the transverse bar 3; m is the length of the short rod body of the longitudinal rod 6; n is the length of the long rod body of the longitudinal rod 6.
Referring to fig. 3, in the above detection device, two transverse through holes of the fixing frame 1 are oppositely arranged, two ends of the transverse rod 3 are respectively penetrated into the two opposite transverse through holes, two ends of the transverse rod 3 extend out of the fixing frame 1 to serve as two contact trigger ends, and the middle part of the transverse rod 3 is movably connected with the short rod body of the longitudinal rod 6 through the transmission shaft 4;
the number of the detection switches 8 is two, the detection switches are oppositely arranged on two sides of the induction piece 7, and the induction piece 7 can be respectively close to and trigger the corresponding detection switches 8.
Through set up two horizontal through-holes that the position is relative on mount 1 for horizontal pole 3 has two contact trigger ends with the horizontal rectilinear movement pair that two horizontal through-holes cooperations formed, can exert the trigger power from different directions, drives the response piece 7 that vertical pole 6 is connected and moves the detection switch 8 that triggers the correspondence to different directions, and then has realized that a detection device can carry out the trigger distance of two directions and enlarge, carries out the detection of two positions.
In the above detection device, the detection switch 8 is fixedly disposed on the fixing frame 1, and specifically, can be disposed on a detection position of the fixing frame 1.
In the detection device, the fixing frame 1 is a mounting frame provided with a transverse through hole and a longitudinal through hole. Further, the fixing frame 1 may be a component type mounting frame formed by combining components, or may be a small mounting frame of an integrated structure (see fig. 3 and 5).
In the above detection device, the longitudinal rod 6 is mounted on the longitudinal through hole of the fixing frame 1 through the hinge shaft 5. The shape of the longitudinal through hole is matched with that of the longitudinal rod 6, so that the longitudinal rod 6 can be ensured to rotate in the longitudinal through hole, and the sensing piece 7 is driven to reach the position of the trigger detection switch 8.
In the detection device, the fixed frame 1 is a mounting frame of the whole part; the transverse rod 3 is matched with a transverse through hole of the fixing frame 1 to form a transverse linear moving pair; the longitudinal rod 6 is matched with the fixed frame 1 through a hinged shaft 5 to form a rotating pair; the transverse rod 3 and the revolute pair form a movable guide rod mechanism through a transmission shaft 4; an external force acts on one end (namely a contact triggering end) of the transverse rod 3 to enable the transverse rod to move transversely, and meanwhile, the transverse rod 3 drives the longitudinal rod 6 to rotate through the transmission shaft 4, so that the sensing piece 7 on the longitudinal rod 6 and the detection switch 8 are triggered; when the external force is removed, the reset buffer elastic device 2 on the fixing frame 1 can reset the longitudinal rod 6 and the transverse rod 3. The fixing frame 1 is provided with a longitudinal through hole for mounting the longitudinal rod 6, the distance from the longitudinal rod 6 to two ends in the longitudinal through hole is M/N, M is the length of a long rod body of the longitudinal rod (namely the length from the installation position of the hinge shaft 5 on the longitudinal rod 6 to the installation position of the sensing element), and N is the length of a short rod body of the longitudinal rod 6 (namely the length from the installation position of the hinge shaft 5 on the longitudinal rod 6 to the connection position of the transverse rod 3); the maximum distance L1 that the transverse rod 3 moves is a fixed value, and by changing the value of M/N, the rotation angle B of the longitudinal rod 6 and the value of the displacement distance L2 (the displacement distance L2 is the distance that the sensor 7 can move, i.e. the amplified trigger distance) can be changed correspondingly, so as to improve the sensitivity of the detection device.
The detection device of the invention at least has the following beneficial effects:
(1) the detection device can set the size of the moving distance L1 between the transverse rod and the fixed frame according to the limit or positioning requirement in the equipment, and the sensitivity of the detection device can be changed only by changing the proportion of the length M of the long rod body to the length N of the short rod body in the longitudinal rod, so that the limit or positioning precision of the amusement equipment is improved.
(2) The detection device of the invention not only can meet the detection of the one-way operation of amusement equipment, but also can be designed into two-way operation detection according to the functional requirements.
(3) The detection device can be widely applied to the field of amusement facilities and the field of equipment needing limiting or position detection, and has the advantages of simple manufacture, low cost, accurate positioning, high sensitivity and strong stability.
The embodiments of the present invention are described in further detail below.
Example one
As shown in fig. 1 to 5, the present embodiment provides a detection apparatus for amplifying a trigger distance, including: the device comprises a fixed frame 1, a reset buffer elastic device 2, a transverse rod 3, a transmission shaft 4, a hinge shaft 5, a longitudinal rod 6, an induction piece 7, a detection switch 8 and the like;
the fixing frame 1 is provided with structures such as a transverse through hole, a longitudinal through hole, a threaded hole and the like, is a mounting frame for each part, and can be conveniently mounted on equipment using the detection device, such as amusement equipment or other equipment.
The transverse rod 3 is arranged in a transverse through hole of the fixed frame 1, the transverse rod 3 is matched with the transverse through hole of the fixed frame 1 to form a transverse linear moving pair, one end of the transverse rod 3 extends out of the fixed frame 1, a fixed value L1 is kept at a distance from a plane on one side of the fixed frame 1, and the distance is a trigger distance for applying an external force F.
The longitudinal rod 6 install in the vertical through-hole of mount 1 through articulated shaft 5, longitudinal rod 6 constitutes a revolute pair through articulated shaft 5 and mount 1 cooperation, the central point that the mounting hole that longitudinal rod 6 and articulated shaft 5 are connected deviates from longitudinal rod 6 puts, form long, short rod body two parts on longitudinal rod 6, the interval size of mounting hole to both ends is M and N respectively, M is long rod body length, the length of mounting hole to connecting inductor 7 department promptly, N is short rod body length, the length of mounting hole to 4 departments of transmission shaft that are used for connecting horizontal pole 3 promptly, M forms certain proportional relation than N.
A long hole is formed in one end, positioned at the short rod body, of the longitudinal rod 6, the transverse rod 3 is matched with the long hole of the longitudinal rod 6 through the transmission shaft 4 to be connected with the longitudinal rod 6, and the transverse rod 3, the articulated shaft 5 and the longitudinal rod 6 form a moving guide rod mechanism; when the transverse rod 3 moves the distance of L1 under the action of the external force F, one end of the long rod body of the longitudinal rod 6, which is connected with the sensing piece 7, swings by a certain angle B and runs the displacement L2 of L1 xM/N as the amplification triggering distance, because M is greater than N, L2 as the amplification triggering distance is greater than L1, the amplification of the triggering distance L1 is realized, the triggering distance is satisfied, and the sensitivity of the detection device is improved. Since the maximum movement dimension L1 of the transverse bar 3 is constant, the greater the value of M to N, the greater the values of the rotation angle B and the displacement dimension L2 of the longitudinal bar 6, and the more sensitive the detection device. The detection device can be widely applied to the field of amusement facilities and other working fields.
The detection switch 8 can be installed on the fixed frame 1 by adopting bolt connection, can be installed on any side of the sensing piece 7 connected with the longitudinal rod 6 according to functional requirements, and the specific position is determined according to the rotating angle B of the longitudinal rod 6 and the displacement size of operation L1 xM/N, as long as the sensing piece 7 connected with the longitudinal rod 6 keeps the interval capable of being triggered smoothly; the sensing member 7 can be mounted on the bottom end of the long rod body of the longitudinal rod 6 by bolt connection, and the end is used as a sensing end.
One end of the reset buffer elastic device 2 can be installed on the fixed frame 1 by adopting bolt connection, and the other end is connected with the long rod body of the longitudinal rod 6 and can be connected to the middle lower part of the long rod body; when the transverse rod 3 moves for a short distance of L1 under the action of the external force F, the induction piece 7 and the detection switch 8 can be triggered, and the positioning error caused by the triggering distance when external equipment directly triggers the induction switch is greatly reduced.
When the external force F is removed, the reset buffer elastic device 2 resets the transverse rod 3 and the longitudinal rod 6, so that the detection device can detect the next external device.
The detection device of the present embodiment, since the transversal rod 3 is provided with only one external touch trigger terminal, is also provided with only one detection switch 8, and belongs to a single position detection device.
Example two
As shown in fig. 6 to 10, the present embodiment provides a detection device for amplifying a trigger distance, the component configuration and structure are substantially the same as those of the first embodiment, except that two transverse through holes are oppositely arranged on a fixing frame, two ends of a transverse rod 3 respectively extend out of the two transverse through holes to form two contact trigger ends, and force can be applied from two directions, so that the transverse rod 3 moves to different directions by a distance of L1; two sides of the sensing piece 7 are respectively provided with a detection switch 8, and the two sides of the sensing piece are connected with the long rod body of the longitudinal rod 6 through two reset buffer elastic devices 2. Thus, a detection device with two detection positions is formed, force is applied in different directions to trigger the transverse rod 3, the induction piece 7 can move towards the corresponding direction, the corresponding detection switch 8 is triggered, and then the detection of the two positions is realized. The detection device of this embodiment, on same compact structure's mount, two detection position have been integrated, and application scope is wider.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A detection device for amplifying a trigger distance, comprising:
the device comprises a fixed frame (1), a transverse rod (3), a transmission shaft (4), a hinged shaft (5), a longitudinal rod (6), an induction piece (7) and a detection switch (8); wherein the content of the first and second substances,
the longitudinal rod (6) is arranged on the fixed frame (1) through the articulated shaft (5) to form a revolute pair, in the revolute pair, the rod body of the longitudinal rod (6) positioned at one side of the articulated shaft (5) is a short rod body, the rod body at the other side is a long rod body, and the length of the long rod body is greater than that of the short rod body;
a transverse through hole is formed in the fixing frame (1) on one side of the short rod body of the longitudinal rod (6), the transverse rod (3) is movably arranged in the transverse through hole in a penetrating mode to form a transverse linear moving pair, and in the transverse linear moving pair, at least one end of the transverse rod (3) extends out of the fixing frame (1) from the transverse through hole to serve as a contact triggering end;
the transverse rod (3) is movably connected with the short rod body of the longitudinal rod (6) through the transmission shaft (4);
the one end fixed connection of the long rod body of vertical pole (6) response piece (7), this response piece (7) position and the fixed position that sets up in the outside detection switch (8) correspond to, and with detection switch (8) interval sets up, can be in the pivoted vertical pole (6) drive down be close to and trigger detection switch (8).
2. The apparatus for detecting amplification trigger distance according to claim 1, further comprising: the reset buffer elastic device (2) is connected with the longitudinal rod (6) and can reset the longitudinal rod (6).
3. The detection device of amplified triggering distance according to claim 2, characterized in that the reset buffer elastic device (2) is a stretching elastic device, one end of which is connected with one side of the longitudinal rod (6) and the other end is connected with the fixed frame (1).
4. The detection device of amplified triggering distance according to claim 2, characterized in that the return buffer elastic means (2) is a torsional elastic means, one end of which is arranged on the hinging shaft (5) and the other end of which is connected with the longitudinal rod (6).
5. The detection device of amplified triggering distance according to any one of claims 1 to 4, characterized in that the length of the extension of the transverse bar (3) to the outside of the fixed frame (1) is less than the zero attitude distance between the sensing member (7) and the detection switch (8).
6. The amplified triggering distance detection device of claim 5, wherein the zero attitude spacing between the sensing member (7) and the detection switch (8) is L1 XM/N; wherein L1 is the travel distance of the transverse bar; m is the length of the short rod body of the longitudinal rod; n is the length of the long rod body of the longitudinal rod.
7. The detection device for the amplified triggering distance according to any one of claims 1 to 4, wherein two transverse through holes of the fixing frame (1) are oppositely arranged, two ends of the transverse rod (3) are respectively penetrated into the two opposite transverse through holes, two ends of the transverse rod (3) extend out of the fixing frame (1) to serve as two contact triggering ends, and the middle part of the transverse rod (3) is movably connected with the short rod body of the longitudinal rod (6) through the transmission shaft (4);
the two detection switches (8) are oppositely arranged on two sides of the induction piece (7), and the induction piece (7) can be respectively close to and trigger the corresponding detection switches (8).
8. The detection device for amplifying the trigger distance according to any one of claims 1 to 4, wherein the detection switch (8) is fixedly arranged on the fixing frame (1).
9. The amplified triggering distance detection device of any one of claims 1 to 4, characterized in that the fixing frame (1) is a mounting frame provided with a transverse through hole and a longitudinal through hole.
10. The amplified triggering distance detection device of claim 9, characterized in that the longitudinal rod (6) is mounted on a longitudinal through hole of the holder (1) through the articulated shaft (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111316402.9A CN114038693A (en) | 2021-11-08 | 2021-11-08 | Detection apparatus for enlarge trigger distance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111316402.9A CN114038693A (en) | 2021-11-08 | 2021-11-08 | Detection apparatus for enlarge trigger distance |
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| CN114038693A true CN114038693A (en) | 2022-02-11 |
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| CN202111316402.9A Pending CN114038693A (en) | 2021-11-08 | 2021-11-08 | Detection apparatus for enlarge trigger distance |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106373801A (en) * | 2015-06-28 | 2017-02-01 | 朱正直 | Micro sensing switch |
| CN107289872A (en) * | 2017-06-28 | 2017-10-24 | 京东方科技集团股份有限公司 | Height measuring device |
-
2021
- 2021-11-08 CN CN202111316402.9A patent/CN114038693A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106373801A (en) * | 2015-06-28 | 2017-02-01 | 朱正直 | Micro sensing switch |
| CN107289872A (en) * | 2017-06-28 | 2017-10-24 | 京东方科技集团股份有限公司 | Height measuring device |
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