CN212620751U - Laser demarcation device core - Google Patents
Laser demarcation device core Download PDFInfo
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- CN212620751U CN212620751U CN202021747180.7U CN202021747180U CN212620751U CN 212620751 U CN212620751 U CN 212620751U CN 202021747180 U CN202021747180 U CN 202021747180U CN 212620751 U CN212620751 U CN 212620751U
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- shaft
- bearing
- threading hole
- demarcation device
- laser demarcation
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Abstract
The utility model discloses a core of a laser demarcation device, which comprises a hanger, a pendulum body, a first shaft and a second shaft; wherein, the center position of the first shaft is provided with a first threading hole along the radial direction, and two ends of the first shaft are respectively and rotatably supported on the hanger through bearings; a second threading hole is formed in the center of the second shaft along the radial direction of the second shaft, the second shaft is fixedly connected with the first shaft, the second threading hole is aligned with the first threading hole, and the axial direction of the second shaft is perpendicular to the axial direction of the first shaft; the upper end of the pendulum body is symmetrically provided with two connecting arms, the connecting arms correspond to the end of the second shaft one by one, and the connecting arms are rotatably sleeved at the corresponding end of the second shaft through bearings. The utility model discloses a pendulum body can freely swing under the action of gravity to set up first through wires hole and second through wires hole and fall to minimum with the influence of electric wire to the pendulum body, and then improve the precision of laser demarcation appearance.
Description
Technical Field
The utility model relates to a laser demarcation device core.
Background
The laser line projector accurately projects horizontal and vertical reference lines or reference points on a working object by laser, so that workers can work according to the reference lines in the construction process without deviating from the expected position of the workers, the laser line projector is provided with a machine core, a pendulum body of the machine core swings within a certain range and finally reaches a balanced state under the action of gravity, a laser arranged on the pendulum body needs to be electrically connected with a control circuit fixed on a shell of the laser line projector through an electric wire, the electric wire can influence the position of the pendulum body in a free balanced state to cause the pendulum body not to reach the position in an ideal state, and therefore the projected position of light emitted by the laser deviates, and the precision of the whole laser line projector is influenced.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a laser demarcation device core, its pendulum body can freely swing under the action of gravity to set up first through wires hole and second through wires hole and fall to minimum with the influence of electric wire to the pendulum body, and then improve the precision of laser demarcation device.
In order to solve the technical problem, the technical scheme of the utility model is that: a core of a laser demarcation device comprises a hanger, a pendulum body, a first shaft and a second shaft; wherein the content of the first and second substances,
a first threading hole is arranged at the center of the first shaft along the radial direction of the first shaft, and two ends of the first shaft are respectively and rotatably supported on the hanging bracket through bearings;
a second threading hole is formed in the center of the second shaft along the radial direction of the second shaft, the second shaft is fixedly connected with the first shaft, the second threading hole is aligned with the first threading hole, and the axial direction of the second shaft is perpendicular to the axial direction of the first shaft;
the upper end of the pendulum body is symmetrically provided with two connecting arms, the connecting arms correspond to the end of the second shaft one by one, and the connecting arms are rotatably sleeved at the corresponding end of the second shaft through bearings.
Furthermore, an insertion hole perpendicular to the first threading hole is formed in the center of the first shaft along the radial direction of the first shaft, and the second shaft penetrates through the insertion hole;
or an insertion hole perpendicular to the second threading hole is formed in the center of the second shaft along the radial direction of the second shaft, and the first shaft penetrates through the insertion hole.
Further, the first shaft and the second shaft are fixedly bonded through glue.
Further, in order to facilitate the alignment of the first threading hole and the second threading hole, an insertion hole perpendicular to the second threading hole is formed in the center of the second shaft along the radial direction of the second shaft, and the first shaft penetrates through the insertion hole;
the first shaft is provided with a limiting piece which is used for abutting against the second shaft when the first threading hole and the second threading hole are aligned.
Furthermore, the first shaft is detachably connected with a fixing piece which is abutted against the side of the far limiting piece of the second shaft, and the fixing piece and the limiting piece clamp the second shaft together.
Further, the first shaft and the inner ring of the bearing sleeved on the first shaft and/or the second shaft and the inner ring of the bearing sleeved on the second shaft are/is fixedly bonded through glue.
Further, the first shaft and the inner ring of the bearing sleeved on the first shaft and/or the second shaft and the inner ring of the bearing sleeved on the second shaft are fixedly connected through a bearing pressing ring.
Further, the first shaft and the corresponding bearing pressing ring and/or the second shaft and the corresponding bearing pressing ring are connected through threads.
Further, the hanger and the outer ring of the corresponding bearing and/or the connecting arm and the outer ring of the corresponding bearing are/is fixedly bonded through glue.
Further, in order to conveniently drip the glue, glue dripping holes communicated with corresponding bearing mounting holes for mounting the bearings are formed in the hanging bracket and/or the connecting arm.
After the technical scheme is adopted, the utility model discloses a pendulum body can swing under the action of gravity around the axis of primary shaft and the axis of secondary shaft, finally reaches balanced state, and the one end of the electric wire of laser demarcation device is connected with the control circuit who fixes on the laser demarcation device casing, and the other end passes through second through wires hole and first through wires hole after and links to each other with the laser instrument that fixes on the pendulum body, the utility model discloses through the setting of first through wires hole and second through wires hole, can reduce the influence of electric wire to the pendulum body by furthest for the pendulum body can be in the most ideal position under balanced state, and then has improved the precision of laser demarcation device; during the process of assembling the core of the laser line projector, bearings are firstly installed at two ends of a second shaft, then the second shaft with the bearings assembled is assembled with a connecting arm of a pendulum body, the second shaft and an inner ring of a corresponding bearing can be bonded through glue or can be fixed through a bearing pressing ring, the connecting arm and an outer ring of a corresponding bearing are bonded through glue, the second shaft with the pendulum body installed is arranged at the central position of a hanging bracket, the first shaft penetrates through inserting holes in the hanging bracket and the second shaft, the bearings are installed at two ends of the first shaft, the hanging bracket and the outer ring of the corresponding bearing are bonded and fixed through glue, the first shaft and the inner ring of the corresponding bearing can be bonded through glue or can be fixed through the bearing pressing ring, then the second shaft is moved to enable a second threading hole to be aligned with a first threading hole, and then the first shaft and the second shaft are fixed through glue, thus the, the assembly process is simple and convenient, and the assembly efficiency is high.
Drawings
Fig. 1 is a schematic structural view of a movement of the laser demarcation device of the present invention;
fig. 2 is an exploded view of fig. 1.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1 and 2, a laser demarcation device core comprises a hanger 1, a pendulum body 2, a first shaft 3 and a second shaft 4; wherein the content of the first and second substances,
a first threading hole 31 is arranged at the center position of the first shaft 3 along the radial direction, and two ends of the first shaft 3 are respectively and rotatably supported on the hanger 1 through bearings 5;
a second threading hole 41 is formed in the center of the second shaft 4 along the radial direction of the second shaft, the second shaft 4 is fixedly connected with the first shaft 3, the second threading hole 41 is aligned with the first threading hole 31, and the axial direction of the second shaft 4 is perpendicular to the axial direction of the first shaft 3;
the upper end of pendulum body 2 is provided with two linking arms 21 in the symmetry, and linking arm 21 and the tip one-to-one of second shaft 4, linking arm 21 rotationally the suit is at the corresponding tip of second shaft 4 through bearing 5.
The utility model discloses a pendulum body 2 can swing under the action of gravity around the axis of primary shaft 3 and the axis of secondary shaft 4, finally reaches balanced state, and the one end of the electric wire of laser demarcation appearance is connected with the control circuit who fixes on the laser demarcation appearance casing, and the other end passes behind second through wires hole 41 and the first through wires hole 31 and links to each other with the laser instrument of fixing on pendulum body 2, the utility model discloses a setting of first through wires hole 31 and second through wires hole 41 can furthest reduce the influence of electric wire to pendulum body 2 for pendulum body 2 can be in the most ideal position under balanced state, and then has improved the precision of laser demarcation appearance.
As shown in fig. 1 and 2, an insertion hole 6 perpendicular to the first threading hole 31 is formed in a center position of the first shaft 3 along a radial direction thereof, and the second shaft 4 passes through the insertion hole 6;
or the center of the second shaft 4 is provided with an insertion hole 6 perpendicular to the second threading hole 41 along the radial direction, and the first shaft 3 passes through the insertion hole 6.
In this embodiment, an insertion hole 6 perpendicular to the second threading hole 41 is formed in a center position of the second shaft 4 along a radial direction thereof, the first shaft 3 passes through the insertion hole 6, and in order to facilitate alignment of the first threading hole 31 and the second threading hole 41, a limiting member 7 for abutting against the second shaft 4 when the first threading hole 31 and the second threading hole 41 are aligned is disposed on the first shaft 3.
In this embodiment, the first shaft 3 and the second shaft 4 may be fixed by gluing, or a fixing member for abutting against a distal limiting member side of the second shaft 4 may be detachably connected to the first shaft 3, and the fixing member and the limiting member 7 clamp the second shaft 4 together.
Specifically, in the process of assembling the movement of the laser demarcation device, the bearings 5 are installed at two ends of the second shaft 4, the second shaft 4 with the bearings 5 assembled is assembled with the connecting arm 21 of the pendulum body 2, the second shaft 4 can be adhered with the inner ring of the corresponding bearing 5 through glue or can be fixed through the bearing clamping rings 9, the connecting arm 21 is adhered with the outer ring of the corresponding bearing 5 through glue, the second shaft 4 with the pendulum body 2 installed is arranged at the central position of the hanger 1, the first shaft 3 penetrates through the inserting holes 6 on the hanger 1 and the second shaft 4, the bearings 5 are installed at two ends of the first shaft 3, the hanger 1 is adhered and fixed with the outer ring of the corresponding bearing 5 through glue, the first shaft 3 can be adhered with the inner ring of the corresponding bearing 5 through glue or can be fixed through the bearing clamping rings 9, then the second shaft 4 is moved to align the second threading hole 41 with the first threading hole 31, and the first shaft 3 and the second shaft 4 are fixed by glue, so that the assembly of the whole core of the laser demarcation device is completed, the assembly process is simple and convenient, and the assembly efficiency is high.
In the embodiment, the first shaft 3 and the inner ring of the bearing 5 sleeved on the first shaft and/or the second shaft 4 and the inner ring of the bearing 5 sleeved on the second shaft are/is fixedly bonded by glue; or the first shaft 3 and the inner ring of the bearing 5 sleeved on the first shaft and/or the second shaft 4 and the inner ring of the bearing 5 sleeved on the second shaft are fixedly connected through a bearing clamping ring 9, and the first shaft 3 and the corresponding bearing clamping ring 9 and/or the second shaft 4 and the corresponding bearing clamping ring 9 are connected through threads.
In the present embodiment, the hanger 1 and the outer ring of the corresponding bearing 5 and/or the connecting arm 21 and the outer ring of the corresponding bearing 5 are fixed by gluing.
As shown in fig. 1 and 2, for the convenience of glue dripping, the hanger 1 and/or the connecting arm 21 are provided with glue dripping holes 8 communicated with corresponding bearing mounting holes for mounting the bearing 5.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (10)
1. A machine core of a laser demarcation device is characterized in that,
the pendulum comprises a hanging bracket (1), a pendulum body (2), a first shaft (3) and a second shaft (4); wherein the content of the first and second substances,
a first threading hole (31) is formed in the center of the first shaft (3) along the radial direction of the first shaft, and two ends of the first shaft (3) are rotatably supported on the hanger (1) through bearings (5);
a second threading hole (41) is formed in the center of the second shaft (4) along the radial direction of the second shaft, the second shaft (4) is fixedly connected with the first shaft (3), the second threading hole (41) is aligned with the first threading hole (31), and the axial direction of the second shaft (4) is perpendicular to the axial direction of the first shaft (3);
the upper end symmetry of pendulum body (2) is provided with two linking arms (21), and linking arm (21) and the tip one-to-one of second shaft (4), linking arm (21) pass through bearing (5) rotationally the suit at the corresponding tip of second shaft (4).
2. The laser demarcation device movement of claim 1,
an insertion hole (6) perpendicular to the first threading hole (31) is formed in the center of the first shaft (3) along the radial direction of the first shaft, and the second shaft (4) penetrates through the insertion hole (6);
or an insertion hole (6) perpendicular to the second threading hole (41) is formed in the center of the second shaft (4) along the radial direction of the second shaft, and the first shaft (3) penetrates through the insertion hole (6).
3. The laser demarcation device movement of claim 2,
the first shaft (3) and the second shaft (4) are fixedly bonded through glue.
4. The laser demarcation device movement of claim 1,
an insertion hole (6) perpendicular to the second threading hole (41) is formed in the center of the second shaft (4) along the radial direction of the second shaft, and the first shaft (3) penetrates through the insertion hole (6);
the first shaft (3) is provided with a limiting piece (7) which is used for abutting against the second shaft (4) when the first threading hole (31) and the second threading hole (41) are aligned.
5. The laser demarcation device movement of claim 4,
the first shaft (3) is detachably connected with a fixing piece which is abutted against the side of the far limiting piece of the second shaft (4), and the fixing piece and the limiting piece (7) clamp the second shaft (4) together.
6. The laser demarcation device movement of claim 1,
the first shaft (3) and the inner ring of the bearing (5) sleeved on the first shaft and/or the second shaft (4) and the inner ring of the bearing (5) sleeved on the second shaft are/is fixedly bonded through glue.
7. The laser demarcation device movement of claim 1,
the first shaft (3) and the inner ring of the bearing (5) sleeved on the first shaft and/or the second shaft (4) and the inner ring of the bearing (5) sleeved on the second shaft are fixedly connected through a bearing pressing ring (9).
8. The laser demarcation device movement of claim 7,
the first shaft (3) and the corresponding bearing clamping ring (9) and/or the second shaft (4) and the corresponding bearing clamping ring (9) are connected through threads.
9. The laser demarcation device movement of claim 1,
the hanger (1) and the outer ring of the corresponding bearing (5) and/or the connecting arm (21) and the outer ring of the corresponding bearing (5) are/is fixedly bonded through glue.
10. The laser demarcation device movement of claim 9,
and the hanger (1) and/or the connecting arm (21) are/is provided with a glue dripping hole (8) communicated with a corresponding bearing mounting hole for mounting the bearing (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021747180.7U CN212620751U (en) | 2020-08-19 | 2020-08-19 | Laser demarcation device core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021747180.7U CN212620751U (en) | 2020-08-19 | 2020-08-19 | Laser demarcation device core |
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| Publication Number | Publication Date |
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| CN212620751U true CN212620751U (en) | 2021-02-26 |
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| CN202021747180.7U Active CN212620751U (en) | 2020-08-19 | 2020-08-19 | Laser demarcation device core |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022193201A1 (en) * | 2021-03-16 | 2022-09-22 | 深圳市杜比激光有限公司 | Laser level for fast counterweight |
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2020
- 2020-08-19 CN CN202021747180.7U patent/CN212620751U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022193201A1 (en) * | 2021-03-16 | 2022-09-22 | 深圳市杜比激光有限公司 | Laser level for fast counterweight |
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