Rotatable light emitting assembly for horizontal laser ruler

By designing a rotatable light-emitting component and utilizing the cooperation of a rotating rod, a pull rope, and a limiting component, the problem of unstable light-emitting direction of the horizontal laser ruler was solved, enabling precise adjustment and stable positioning of the light-emitting component and improving the accuracy of the laser emission position.

CN223741593UActive Publication Date: 2025-12-30金华市得用工具有限公司
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Patent Information

Application Number
CN202520787931.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-24
Publication Date
2025-12-30
Estimated Expiration
2035-04-24

AI Technical Summary

Technical Problem

The existing horizontal laser ruler has a fixed light output direction and unstable rotation, which makes the laser prone to errors.

Method used

A rotatable light-emitting component was designed. Through the cooperation of a rotating rod, a pull rope, and a limiting component, the light-emitting component can be precisely adjusted and stably positioned. The combination of the rotating rod, positioning rod, limiting plate, pull rope, and limiting component ensures that the light-emitting component is aligned with the front side of the level.

Benefits of technology

This improves the rotational stability of the light-emitting component, ensures the accuracy of the laser emission position, and avoids errors caused by rotational instability.

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Abstract

The utility model relates to the technical field of horizontal laser rulers, in particular to a rotatable light emitting assembly for a horizontal laser ruler, which is characterized in that one end of a rotating rod is screwed in a groove through the rotating rod, a fixed rod is fixedly arranged at the other end of the rotating rod, and a light emitting piece is arranged at the end part of the fixed rod; the front end and the rear end of the positioning rod are rotationally connected into the groove through bearings, the positioning rod is located below the rotating rod, a positioning disc is fixedly arranged at the front end of the positioning rod and located in the open groove, and a limiting assembly is arranged on the front side face of the positioning disc; every two limiting discs form a group and are fixedly arranged at the two ends of the positioning rod in a sleeving manner; through cooperation of the positioning disc and the positioning rod, the two pull ropes are wound between the two limiting discs in the same group, and the rotating rod is conveniently driven to rotate through reverse movement of the two pull ropes, so that the rotating stability of the rotating rod is improved, and the situation that the laser emitting position of the light emitting part is affected by shaking is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to horizontal laser ruler technical field, concretely relates to a rotatable light emitting assembly for horizontal laser ruler. BACKGROUND

[0002] The light emitting direction of the existing horizontal laser ruler is usually fixed, the position of the light emitting piece is controlled by the rotating frame, the laser emitted by the light emitting piece is aligned with the side of the level ruler, the rotation of the rotating frame is unstable, the laser emitted by the light emitting piece is prone to error, therefore, a rotatable light emitting assembly for horizontal laser ruler is urgently needed to solve the above problems. SUMMARY

[0003] The utility model discloses to the defects and insufficiency of prior art, provide a rotatable light emitting assembly for horizontal laser ruler simple structure, reasonable in design, convenient to use, can solve the above problems.

[0004] In order to achieve the above object, the utility model adopts the following technical scheme: it contains level ruler, the end of level ruler is provided with recess, and the front side of level ruler is provided with the recess that is provided with slot,

[0005] It also contains:

[0006] Rotating rod, one end of rotating rod is rotatably connected in recess by using rotating rod, and the other end of rotating rod is fixedly provided with fixed rod, and the end of fixed rod is provided with light emitting piece,

[0007] Positioning rod, the front and rear ends of positioning rod are rotatably connected in recess by using bearing, and positioning rod is below rotating rod, the front end of positioning rod is fixedly provided with positioning disc, positioning disc is in slot, and the front side of positioning disc is provided with limiting assembly,

[0008] Limiting disc, the limiting disc is a plurality of, and the limiting disc is a group and is fixedly sleeved on the both ends of positioning rod,

[0009] Connecting shaft, the connecting shaft is rotatably connected on the side wall of rotating rod by using bearing, and one end of two pull ropes is fixedly connected on the connecting shaft, and the other end of pull rope is wound on the positioning rod between the two limiting discs of the same group.

[0010] Further, the limiting assembly contains:

[0011] Fixed plate, the fixed plate is fixedly arranged on the front side of positioning disc, and the fixed plate is fixedly provided with guide rod on the front side,

[0012] Clamp rod, the clamp rod is two, and the two clamp rods are movably arranged on the guide rod, and the clamp rod is movably arranged on the guide rod,

[0013] The spring is two, two springs are respectively sleeved on the guide rod, and two ends of the spring are respectively connected with the fixed rod and the clamping rod;

[0014] The connecting rod is two, two connecting rods are respectively screwed on the end of the clamping rod through the hinge seat, the connecting block is screwed on the other end of the two connecting rods through the hinge seat, the limiting rod is fixedly arranged on the connecting block, and the end of the limiting rod is movably inserted into the inner wall of the groove.

[0015] Further, the fixed rod is screwed with the protective sleeve, and the light emitting piece is movably arranged in the protective sleeve.

[0016] Further, the front side inner wall of the groove is fixedly provided with the abutting block, and the abutting block is arranged in abutment with the rotating rod.

[0017] Further, the end of the level is screwed with the cover plate through the bearing, and the cover plate is movably arranged on the groove.

[0018] Further, the left side inner wall of the groove is provided with the support frame in front and back symmetry, and the end of the support frame is provided with the positioning ring, and the pull rope is movably arranged in the positioning ring.

[0019] Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a rotatable light emitting assembly for a horizontal laser ruler, the rotation of the rotating rod is controlled through the cooperation of the rotating rod and the pull rope, the light emitting piece is moved to the appropriate position, and the rotation stability of the rotating rod is improved. DRAWINGS

[0020] Figure 1 It is the structural schematic diagram of the utility model.

[0021] Figure 2 It is the structural schematic diagram of the limiting assembly in the utility model.

[0022] Figure 3 It is the internal structure schematic diagram of the groove in the utility model.

[0023] Figure 4 It is Figure 3 The enlarged view of A part in the utility model.

[0024] Mark explanation:

[0025] Level 1, groove 2, slot 3, rotating rod 4, fixed rod 5, light emitting piece 6, positioning rod 7, positioning disc 8, limiting assembly 9, limiting disc 10, connecting shaft 11, pull rope 12, fixed plate 13, guide rod 14, clamping rod 15, spring 16, connecting rod 17, connecting block 18, limiting rod 19, protective sleeve 20, abutting block 21, cover plate 22, support frame 23, positioning ring 24. DETAILED DESCRIPTION

[0026] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. The preferred embodiments described are only examples. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0027] like Figures 1-4 As shown, this specific embodiment adopts the following technical solution: it includes a level ruler 1; the end of the level ruler 1 is provided with a groove 2, and the front side of the level ruler 1 is provided with a slot 3;

[0028] It also includes:

[0029] A rotating rod 4 is provided, with one end of the rotating rod 4 screwed into the groove 2 and the other end of the rotating rod 4 fixedly provided with a fixing rod 5. The end of the fixing rod 5 is provided with a light-emitting element 6. By rotating the rotating rod 4, the position of the light-emitting element 6 is adjusted so that the laser emitted by the light-emitting element 6 is aligned with the front side of the horizontal ruler 1. The fixing rod 5 is threaded onto the protective sleeve 20, and the light-emitting element 6 is movably disposed in the protective sleeve 20, so as to protect the light-emitting element 6 in the protective sleeve 20. A contact block 21 is fixedly provided on the inner wall of the front side of the groove 2. The contact block 21 is engaged with the rotating rod 4 to restrict the position of the rotating rod 4, so as to restrict the rotating rod 4 to a position perpendicular to the bottom surface of the groove 2. The end of the horizontal ruler 1 is screwed onto the cover plate 22 by a bearing, and the cover plate 22 is movably disposed on the groove 2, which protects the light-emitting element 6 to a certain extent.

[0030] The positioning rod 7 has its front and rear ends screwed into the groove 2 by bearings, and the positioning rod 7 is located below the rotating rod 4. The front end of the positioning rod 7 is fixedly provided with a positioning disk 8, which is located in the slot 3. The front side of the positioning disk 8 is provided with a limiting component 9, which controls the rotation direction of the positioning rod 7.

[0031] The limiting disc 10 is a plurality of such limiting discs, and the limiting discs 10 are in pairs and fixedly sleeved on both ends of the positioning rod 7. The two limiting discs 10 in the same group play a limiting role.

[0032] The connecting shaft 11 is screwed onto the side wall of the rotating rod 4 using a bearing. One end of each of the two pull ropes 12 is fixedly connected to the connecting shaft 11, and the other end of the pull ropes 12 is wound around the positioning rod 7 between the two limiting discs 10 in the same group. The pull ropes 12 facilitate the rotation of the rotating rod 4, thereby improving the rotational stability of the rotating rod 4. The left inner wall of the groove 2 is symmetrically provided with support frames 23, and the end of the support frame 23 is provided with a positioning ring 24. The pull ropes 12 are movably disposed in the positioning ring 24. The positioning ring 24 restricts the position of the pull ropes 12, making it easy for the pull ropes 12 to be wound around the positioning rod 7.

[0033] The limiting assembly 9 comprises:

[0034] A fixed plate 13 is fixedly arranged on the front side of the positioning disc 8, and guide rods 14 are symmetrically and fixedly arranged on the fixed plate 13, and the fixed plate 13 serves as a positioning function;

[0035] Clamping rods 15 are arranged on the guide rods 14, and the clamping rods 15 are in abutment with the fixed plate 13, and the clamping rods 15 are moved along the direction of the guide rods 14;

[0036] Springs 16 are arranged on the guide rods 14, and the two ends of the springs 16 are connected with the fixed plate 13 and the clamping rods 15, respectively, and the elastic force of the springs 16 is used to reset the clamping rods 15;

[0037] Connecting rods 17 are rotatably connected with the ends of the clamping rods 15 by means of hinge seats, and connecting blocks 18 are rotatably connected with the other ends of the connecting rods 17 by means of hinge seats, limiting rods 19 are fixedly arranged on the connecting blocks 18, and the ends of the limiting rods 19 are movably inserted into the inner wall of the slot 3, and the positions of the limiting rods 19 are controlled by the cooperation of the clamping rods 15 and the connecting rods 17.

[0038] In use, the operator first opens the cover plate 22, holds the two clamping rods 15, and uses the guiding effect of the guide rods 14 to move the two clamping rods 15 close to the fixed plate 13, the clamping rods 15 drive the connecting rods 17 to rotate, the connecting rods 17 drive the connecting blocks 18 to move close to the ends of the fixed plate 13, the connecting blocks 18 drive the limiting rods 19 to move, so that the limiting rods 19 are separated from the inner wall of the slot 3, then the positioning disc 8 is rotated by the clamping rods 15, the positioning disc 8 drives the positioning rods 7 to rotate, and then the front and rear two sides of the pull ropes 12 are moved in opposite directions by the guiding effect of the positioning ring 24, the front pull rope 12 drives the connecting shaft 11 to rotate, and the rotating rod 4 is driven to rotate until the rotating rod 4 abuts against the abutting block 21, at this time, the rotating rod 4 is perpendicular to the bottom surface of the groove 2, then the clamping rods 15 are released, the clamping rods 15 are reset by the elastic force of the springs 16, so that the limiting rods 19 are inserted into the inner wall of the slot 3, thereby limiting the rotation of the positioning disc 8, finally, the protective sleeve 20 is rotated, so that the protective sleeve 20 moves on the fixed rod 5 until the light emitting part 6 extends out of the protective sleeve 20, so that the laser emitted by the light emitting part 6 is consistent with the front side edge of the leveling ruler 1.

[0039] Compared with the prior art, the present application has the advantages of:

[0040] Through cooperation of the positioning disc 8 and the positioning rod 7, the two pull ropes 12 are arranged between two limiting discs 10 in the same group respectively, reverse movement of the two pull ropes 12 facilitates driving the rotating rod 4 to rotate, thereby improving rotating stability of the rotating rod 4, and avoiding shaking to affect a position of the light emitting piece 6 to emit laser;

[0041] The limiting assembly 9 is arranged, the position of the connecting block 18 is controlled by the clamping rod 15 and the connecting rod 17, thereby the position of the limiting rod 19 is controlled, the limiting rod 19 is inserted on the inner wall of the slot 3, and rotation of the positioning disc 8 is limited;

[0042] The protective sleeve 20 is arranged, the position of the protective sleeve 20 is controlled by screw rotation, and the light emitting piece 6 is protected to a certain extent;

[0043] 4. The positioning ring 24 is arranged, the position of the pull rope 12 is limited by the positioning ring 24, and the pull rope 12 is arranged on the rotating rod 4 between two limiting discs 10 in the same group.

[0044] For those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, equivalent replacement of part of technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A rotatable light-emitting assembly for a horizontal laser ruler, comprising a horizontal ruler (1); a groove (2) is formed in the end of the horizontal ruler (1), and a slot (3) is formed in the front side of the horizontal ruler (1); characterized in that It also comprises: a rotating rod (4), one end of the rotating rod (4) is rotatably connected to the groove (2) by a rotating rod, and the other end of the rotating rod (4) is fixedly provided with a fixed rod (5), and the end of the fixed rod (5) is provided with a light-emitting piece (6); a positioning rod (7), the front and rear ends of the positioning rod (7) are rotatably connected to the groove (2) by bearings, and the positioning rod (7) is located below the rotating rod (4), the front end of the positioning rod (7) is fixedly provided with a positioning disc (8), the positioning disc (8) is located in the slot (3), and the front side of the positioning disc (8) is provided with a limiting assembly (9); a plurality of limiting discs (10) are provided, and the limiting discs (10) are fixedly sleeved on the two ends of the positioning rod (7); a connecting shaft (11) is rotatably connected to the side wall of the rotating rod (4) by a bearing, one end of two pull ropes (12) is fixedly connected to the connecting shaft (11), and the other end of the pull rope (12) is wound around the positioning rod (7) between the two limiting discs (10) in the same group.

2. A rotatable light assembly for a levelling laser according to claim 1 wherein: The limiting assembly (9) comprises: a fixed plate (13) is fixedly provided on the front side of the positioning disc (8), and a guide rod (14) is fixedly provided on the fixed plate (13); two clamping rods (15) are movably provided on the guide rod (14), and the clamping rods (15) are in contact with the fixed plate (13); two springs (16) are sleeved on the guide rod (14), and the two ends of the spring (16) are connected with the fixed plate (13) and the clamping rod (15); two connecting rods (17) are rotatably connected to the ends of the clamping rods (15) by a hinge seat, a connecting block (18) is rotatably connected to the other end of the connecting rod (17) by a hinge seat, a limiting rod (19) is fixedly provided on the connecting block (18), and the end of the limiting rod (19) is movably inserted into the inner wall of the slot (3).

3. A rotatable light assembly for a horizontal laser level as defined in claim 1, wherein: A protective sleeve (20) is threadedly connected to the fixed rod (5), and the light-emitting piece (6) is movably arranged in the protective sleeve (20).

4. A rotatable light assembly for a horizontal laser level as defined in claim 1, wherein: A contact block (21) is fixedly provided on the front side inner wall of the groove (2), and the contact block (21) is in contact with the rotating rod (4).

5. A rotatable light assembly for a horizontal laser level as defined in claim 1, wherein: A cover plate (22) is rotatably connected to the end of the horizontal ruler (1) by a bearing, and the cover plate (22) is movably arranged on the groove (2).

6. A rotatable light assembly for a horizontal laser level as defined in claim 1, wherein: Support frames (23) are symmetrically provided on the left side inner wall of the groove (2), and the ends of the support frames (23) are provided with positioning rings (24), and the pull ropes (12) are movably arranged in the positioning rings (24).