CN110657341A - Safe light curtain lens support - Google Patents
Safe light curtain lens support Download PDFInfo
- Publication number
- CN110657341A CN110657341A CN201910951443.1A CN201910951443A CN110657341A CN 110657341 A CN110657341 A CN 110657341A CN 201910951443 A CN201910951443 A CN 201910951443A CN 110657341 A CN110657341 A CN 110657341A
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- CN
- China
- Prior art keywords
- longitudinal
- light curtain
- arm
- bulge
- safety light
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
- F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
- F16P3/12—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine
- F16P3/14—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The utility model provides a safe light curtain lens support, includes support body (1), a plurality of light trap (2) and a plurality of support foot (3), and bulge (4) of the outside extension in both sides of support body (1), wherein be provided with at least one horizontal fixed elasticity support arm (7) and at least one longitudinal fixation elasticity support arm (8) on bulge (4) the free end of horizontal fixed elasticity support arm (7) is provided with the edge bulge (4) outside horizontal convex protruding (71) of level the bulge (4) the free end of longitudinal fixation elasticity support arm (8) is provided with the edge bulge (4) are to convex longitudinal protrusion (81) of vertical direction. The invention has simple structure, can absorb the energy generated by shaking in the vertical and horizontal directions, ensures that the assembly between the lens bracket and the shell is more stable and the work is more accurate.
Description
Technical Field
The invention belongs to the technical field of safety light curtains, and particularly relates to a lens support structure of a safety light curtain.
Background
The safety light curtain is also called a photoelectric safety protector, and is usually used as a protection device on various occasions such as a shielding door, an elevator door and the like, and production equipment lines with potential risks such as stamping machinery, shearing equipment, an automatic welding line, a high-temperature and high-pressure operation area and the like, so as to prevent accidental injury to people caused by the equipment.
Generally, the safety light curtain comprises a light projector and a light receiver, and is composed of an aluminum section shell, a front end cover, a rear end cover, a processing control circuit board, an infrared transmitting and receiving circuit board, a transparent cover plate, a lens support, a lens arranged on the lens support, an indicator light and other structures. A plurality of slots are formed in the aluminum section shell, and the transparent cover plate, the lens support, the infrared transmitting and receiving circuit board and the processing control circuit board are respectively and sequentially inserted into the corresponding slots to be assembled with the aluminum section shell.
However, in the prior art, the insertion-type assembly structure between the lens support and the housing has a very high requirement on the dimensional accuracy, and when there is a gap between the lens support and the housing, the lens support and the lens arranged thereon are prone to shake during operation, thereby affecting the accuracy of the light curtain sensor.
Disclosure of Invention
In summary, the present invention is directed to a lens holder for a safety light curtain to solve the problems and disadvantages of the conventional safety light curtain during operation.
In order to achieve the purpose, the invention provides the following technical scheme:
a safety light curtain lens holder comprising: the support comprises a support body (1), wherein the support body (1) is provided with a plurality of light holes (2), a plurality of support feet (3) and protruding parts (4) extending outwards on two sides of the support body (1). The free end of the transverse fixed elastic support arm (7) is provided with a transverse bulge (71) which protrudes outwards and horizontally along the protruding part (4), and the free end of the longitudinal fixed elastic support arm (8) is provided with a longitudinal bulge (81) which protrudes towards the vertical direction along the protruding part (4).
Preferably, the transverse fixed elastic support arm (7) and the longitudinal fixed elastic support arm (8) are respectively provided with a pair and are simultaneously arranged at one end of the bracket body (1).
Preferably, the transverse fixed elastic support arm (7) and the longitudinal fixed elastic support arm (8) are respectively provided with a pair and are respectively arranged at two ends of the bracket body (1).
Preferably, the transverse fixed elastic support arms (7) and the longitudinal fixed elastic support arms (8) are respectively provided with more than two pairs.
Preferably, the transverse fixed elastic support arm (7) and the longitudinal fixed elastic support arm (8) are integrated into a whole to form a bidirectional fixed elastic support arm (9), and a transverse bulge (71) which horizontally protrudes outwards along the protruding part (4) and a longitudinal bulge (81) which protrudes towards the vertical direction along the protruding part (4) are arranged at the free end of the bidirectional fixed elastic support arm (9).
Preferably, more than two pairs of bidirectional fixed elastic support arms (9) are arranged.
Preferably, at least one longitudinal fixed elastic support arm (8) is arranged on one side of the protruding part (4) on two sides of the bracket body 1, at least one transverse fixed elastic support arm (7) is arranged on the other side of the protruding part, and a longitudinal protrusion (81) protruding towards the vertical direction along the protruding part (4) is arranged at the free end of the longitudinal fixed elastic support arm (8); and a transverse bulge (71) which horizontally bulges outwards along the bulge (4) is arranged at the free end of the transverse fixed elastic support arm (7).
Preferably, the protruding parts (4) on the two sides of the bracket body 1 are respectively provided with more than two longitudinal fixed elastic support arms (8) and more than two transverse fixed elastic support arms (7) on the two sides of the protruding parts (4).
Preferably, one end of the bracket body (1) is also provided with a serial connection head (10), the other end of the bracket body is provided with a serial connection hole (11), and the serial connection head (10) of one bracket body (1) is inserted into the serial connection hole (11) of the other bracket body (1), so that the two bracket bodies (1) can be connected in series.
Compared with the prior art, the safety light curtain lens support provided by the invention has the advantages that the transverse fixed elastic support arm, the longitudinal fixed elastic support arm and the support body are integrally formed, the structure is simple and convenient, the energy generated by shaking in the vertical and horizontal directions can be absorbed, the assembly between the lens support and the shell is more stable, and the work is more accurate.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:
fig. 1 is a schematic front perspective view of a safety light curtain lens holder according to a first embodiment of the present invention.
Fig. 2 is a schematic rear perspective view of a safety light curtain lens holder according to a first embodiment of the present invention.
Fig. 3 is a partially enlarged schematic view of a safety light curtain lens holder according to a first embodiment of the present invention.
Fig. 4 is a partially enlarged schematic view of a second embodiment of a safety light curtain lens holder according to the present invention.
Fig. 5 is a partially enlarged schematic view of a third embodiment of a safety light curtain lens holder according to the present invention.
Fig. 6 is a partially enlarged schematic view of a third embodiment of a safety light curtain lens holder according to the present invention.
In the figure: 1-a stent body; 2-light hole; 3-a scaffold foot; 4-a projection; 5-buckling; 6-a light-transmitting through hole; 7-transversely fixing the elastic support arm; 71-a lateral projection; 8-longitudinally fixing an elastic support arm; 81-longitudinal protrusions; 9-bidirectional fixed elastic support arm; 10-a series connection head; 11-series connection holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments 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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "left", "right", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to 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.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Fig. 1 is a schematic front perspective view of a first embodiment of a safety light curtain lens support according to the present invention, fig. 2 is a schematic back perspective view of the first embodiment of the safety light curtain lens support according to the present invention, and fig. 3 is a schematic partial enlarged view of the first embodiment of the safety light curtain lens support according to the present invention. Referring to fig. 1-3, the first embodiment of the present invention provides the following technical solutions:
the utility model provides a safe light curtain lens support, includes support body 1, a plurality of light trap 2, a plurality of support foot 3, and the bulge 4 of the outside extension in both sides of support body 1.
Wherein the inner hole of the light hole 2 is made into a step structure, two sides of the light hole are respectively provided with a fixed buckle 5, the buckles 5 are symmetrically arranged and are integrally formed with the bracket body 1, so that the lens and the bracket body 1 are fixed when being assembled. Meanwhile, a light-transmitting through hole 6 is formed in the bottom of the light-transmitting hole 2, and light signals emitted by a light-emitting part of the safety light curtain can be projected onto the projector lens through the light-transmitting through hole 6, or light signals received by the light receiver lens can be received by the light-receiving part through the light-transmitting through hole 6.
The support slot phase-match that sets up on the width of bulge 4 and thickness dimension specification and the aluminium alloy casing of safety light curtain when carrying out the equipment of safety light curtain, with the lens support bulge 4 inserts after aiming at with the support slot to realize the assembly of lens support and aluminium alloy casing.
The invention is characterized in that a pair of transverse fixed elastic supporting arms 7 and a pair of longitudinal fixed elastic supporting arms 8 are respectively arranged on the protruding part 4 at two ends of the bracket body 1. As shown in fig. 3, a transverse protrusion 71 protruding horizontally outwards along the protruding portion 4 is disposed at the free end of the transverse fixing elastic arm 7, and when the protruding portion 4 of the bracket body 1 is inserted into the slot of the aluminum profile housing for assembly, the transverse protrusion 71 interferes with the aluminum profile housing in the horizontal direction, so that the transverse fixing elastic arm 7 is elastically deformed. In the working process of the safety light curtain, even if the protruding part 4 and the shell slot have a gap, the lens support and the lens arranged on the lens support cannot shake in the horizontal direction.
Simultaneously longitudinal fixation elasticity support arm 8's free end is provided with along protruding portion 4 is to the convex longitudinal bulge 81 of vertical direction, will support body 1 protruding portion 4 forms the interference with the aluminium alloy casing on the vertical direction when inserting the slot of aluminium alloy casing and assembling, longitudinal bulge 81 makes longitudinal fixation elasticity support arm 8 produces elastic deformation. In the working process of the safety light curtain, even if the protruding part 4 has a gap with the slot of the shell, the lens bracket and the lens arranged on the lens bracket cannot shake in the vertical direction.
In this embodiment, as shown in fig. 3, two pairs of the transverse fixed elastic support arms 7 and two pairs of the longitudinal fixed elastic support arms 8 are symmetrically disposed at two ends of the bracket body 1, but the transverse fixed elastic support arms 7 and the longitudinal fixed elastic support arms 8 may be disposed in a pair respectively, and may be disposed at one end of the bracket body 1 at the same time; preferably, the pair of transverse fixed elastic arms 7 and the pair of longitudinal fixed elastic arms 8 may be respectively disposed at two ends of the bracket body 1. Similarly, the transverse fixed elastic arm 7 and the longitudinal fixed elastic arm 8 may also be provided with more than two pairs respectively.
The bottom of the support body 1 is provided with a plurality of support feet 3, the support feet 3 and the support body 1 form a whole, and the upper parts of the support feet 3 are thick and thin and are used for being inserted into corresponding mounting holes in the infrared transmitting and receiving circuit board to realize the assembly of the safety light curtain.
One end of the support body 1 is also provided with a serial connection head 10, the other end of the support body 1 is provided with a serial connection hole 11, one serial connection head 10 of the support body 1 is inserted into the other serial connection hole 11 of the support body 1, a plurality of support bodies 1 can be connected in series together, and requirements for safety light curtains with different sizes and specifications under different scenes are met.
Fig. 4 is a partially enlarged schematic view of a second embodiment of a safety light curtain lens holder according to the present invention. Referring to fig. 4, it can be understood that a pair of bidirectional fixed elastic arms 9 are provided on the projecting portion 4 on both sides of the stand body 1, and at the free ends of the bidirectional fixed elastic arms 9, a transverse projection 71 projecting horizontally outward along the projecting portion 4 and a longitudinal projection 81 projecting vertically along the projecting portion 4 are provided. When will support body 1 the bulge 4 inserts the slot of aluminium alloy casing and assembles, horizontal arch 71 and aluminium alloy casing form the interference on the horizontal direction, vertical arch 81 and aluminium alloy casing form the interference on the vertical direction, make two-way fixed elastic support arm 9 produces elastic deformation. In the working process of the safety light curtain, even if the protruding part 4 has a gap with the slot of the shell, the lens bracket and the lens arranged on the lens bracket can not shake in the horizontal direction and the vertical direction. Similarly, the bidirectional fixed elastic supporting arm 9 may also be provided with more than two pairs.
Fig. 5 and fig. 6 are partially enlarged schematic views of a third embodiment of a safety light curtain lens holder according to the present invention. Referring to fig. 5 and 6, it can be understood that a longitudinal fixed elastic arm 8 is arranged on the left side and a transverse fixed elastic arm 7 is arranged on the right side of the protruding part 4 on both sides of the bracket body 1, and a longitudinal protrusion 81 protruding in the vertical direction along the protruding part 4 is arranged at the free end of the longitudinal fixed elastic arm 8; at the free end of the transverse fixed resilient arm 7, a transverse projection 71 is provided which projects horizontally outwards along the projection 4. When will support body 1 the bulge 4 inserts the slot of aluminium alloy casing and assembles, horizontal arch 71 and aluminium alloy casing form in the horizontal direction and interfere, vertical arch 81 and aluminium alloy casing form in the vertical direction and interfere, make vertical fixation elasticity support arm 8 with horizontal fixation elasticity support arm 7 all produces elastic deformation. In the working process of the safety light curtain, even if the protruding part 4 has a gap with the slot of the shell, the lens bracket and the lens arranged on the lens bracket can not shake in the horizontal direction and the vertical direction. Similarly, the longitudinal fixed elastic arm 8 and the transverse fixed elastic arm 7 may be respectively provided with two or more than two on two sides of the protruding portion 4.
According to the lens support of the safety light curtain provided by the invention, the transverse fixed elastic support arm 7 and the longitudinal fixed elastic support arm 8 can absorb the energy generated by shaking in the horizontal and vertical directions, so that the assembly between the lens support and the shell is more stable.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A safety light curtain lens holder comprising: support body (1), be provided with a plurality of light trap (2) and a plurality of support foot (3) on support body (1), and bulge (4) of the outside extension in both sides of support body (1), its characterized in that be provided with at least one horizontal fixed elasticity support arm (7) and at least one longitudinal fixation elasticity support arm (8) on bulge (4) the free end of horizontal fixed elasticity support arm (7) is provided with the edge bulge (4) outside horizontal convex transverse protrusion (71) of level longitudinal fixation elasticity support arm (8) are provided with the edge bulge (4) are to the convex longitudinal protrusion (81) of vertical direction.
2. A safety light curtain lens holder as claimed in claim 1, wherein the transverse fixed resilient arm (7) and the longitudinal fixed resilient arm (8) are provided in pairs and are provided at one end of the holder body (1).
3. A safety light curtain lens holder as claimed in claim 1, wherein the transverse fixed elastic arm (7) and the longitudinal fixed elastic arm (8) are respectively provided in a pair and are respectively provided at two ends of the holder body (1).
4. A safety light curtain lens holder as claimed in claim 1, wherein said transverse fixed resilient arms (7) and said longitudinal fixed resilient arms (8) are provided in more than two pairs, respectively.
5. A safety light curtain lens holder as claimed in claim 1, wherein the laterally fixed resilient arm (7) is integrated with the longitudinally fixed resilient arm (8) as a bi-directional fixed resilient arm (9), and at the free end of the bi-directional fixed resilient arm (9) there are provided a lateral projection (71) projecting horizontally outwards along the projection (4) and a longitudinal projection (81) projecting vertically along the projection (4).
6. A safety light curtain lens holder as claimed in claim 5, wherein more than two pairs of bi-directional fixed resilient arms (9) are provided.
7. A safety light curtain lens holder as claimed in claim 1, wherein on the protruding part (4) on both sides of the holder body (1), a longitudinal fixed elastic arm (8) is provided on one side, and a transverse fixed elastic arm (7) is provided on the other side, and a longitudinal protrusion (81) protruding in a vertical direction along the protruding part (4) is provided at a free end of the longitudinal fixed elastic arm (8); and a transverse bulge (71) which horizontally bulges outwards along the bulge (4) is arranged at the free end of the transverse fixed elastic support arm (7).
8. A safety light curtain lens holder as claimed in claim 7, characterized in that the longitudinal fixed resilient arms (8) and the transverse fixed resilient arms (7) are arranged more than two on either side of the projection (4).
9. A safety light curtain lens holder as claimed in claim 1, wherein one end of the holder body (1) is further provided with a serial connection head (10), and the other end is provided with a serial connection hole (11), and two holder bodies (1) can be connected in series by inserting the serial connection head (10) of one holder body (1) into the serial connection hole (11) of the other holder body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910951443.1A CN110657341A (en) | 2019-10-08 | 2019-10-08 | Safe light curtain lens support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910951443.1A CN110657341A (en) | 2019-10-08 | 2019-10-08 | Safe light curtain lens support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110657341A true CN110657341A (en) | 2020-01-07 |
Family
ID=69038632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910951443.1A Pending CN110657341A (en) | 2019-10-08 | 2019-10-08 | Safe light curtain lens support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110657341A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021223128A1 (en) * | 2020-05-07 | 2021-11-11 | 江苏江海机床集团有限公司 | Cnc machine tool having high safety performance for shearing, bending, and rolling |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202441024U (en) * | 2012-03-02 | 2012-09-19 | 嘉兴市日信塑胶实业有限公司 | Profile connecting latch |
| CN206875109U (en) * | 2017-06-12 | 2018-01-12 | 东莞市大迪电子科技有限公司 | Measurement detection light curtain |
-
2019
- 2019-10-08 CN CN201910951443.1A patent/CN110657341A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202441024U (en) * | 2012-03-02 | 2012-09-19 | 嘉兴市日信塑胶实业有限公司 | Profile connecting latch |
| CN206875109U (en) * | 2017-06-12 | 2018-01-12 | 东莞市大迪电子科技有限公司 | Measurement detection light curtain |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021223128A1 (en) * | 2020-05-07 | 2021-11-11 | 江苏江海机床集团有限公司 | Cnc machine tool having high safety performance for shearing, bending, and rolling |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200107 |
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| RJ01 | Rejection of invention patent application after publication |