Universal scribing compasses

Abstract

The utility model relates to the technical field of drawing tools, in particular to universal scribing compasses. In order to solve the problem that the lineation size is inaccurate due to insufficient rigidity during lineation or deviation of the lineation size in the bolt fastening process, the following technical scheme is provided: the lineation device comprises two groups of ground gauges and a lineation rod arranged in the two groups of ground gauges in a penetrating manner, and the two groups of ground gauges are clamped on the lineation rod; the ground gauge comprises a sleeve, a moving block, a conical positioning block, a threaded rod and a nut, the sleeve is installed on the outer side of the moving block in a sleeving mode, the conical positioning block is arranged at the end, away from the sleeve, of the moving block, and the threaded rod is fixedly connected to the end, away from the conical positioning block, of the moving block. According to the device, the stability of the positions of the conical positioning blocks in the fastening process can be guaranteed, meanwhile, the distance between the two sets of conical positioning blocks can be accurately adjusted, the adjusted size is more accurate, and the marking effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of drawing tools, in particular to a universal marking compass. Background Art

[0002] The marking compass is one of the tools frequently used in workshop production. However, the current gauge rods are not replaceable and the overall structure is heavy, which makes it inflexible when drawing small radius. When drawing large radius, the radius may change during marking due to insufficient rigidity and the inability to replace the rigid parts, resulting in reduced marking accuracy. At the same time, the traditional fixed rod is supported by bolts. During the process of tightening the bolts, the rotation of the bolts causes the rod to shift, causing the marking size to shift and resulting in inaccurate marking size. In view of this, the utility model proposes a universal marking compass. Utility Model Content

[0003] The utility model aims to propose a universal marking compass to solve the problems in the background technology of insufficient rigidity during marking or deviation of the marking size during the process of tightening bolts, which leads to inaccurate marking size.

[0004] The technical solution of the utility model is as follows: a universal marking compass comprises two groups of ground gauges and a marking rod penetrating the two groups of ground gauges, wherein the two groups of ground gauges are both clamped on the marking rod; the ground gauge comprises a sleeve, a moving block, a conical positioning block, a threaded rod, and a nut; the sleeve is sleeved and installed on the outside of the moving block, a conical positioning block is provided at one end of the moving block away from the sleeve, the threaded rod is fixedly connected to one end of the moving block away from the conical positioning block, and a nut arranged on a side of the sleeve away from the conical positioning block is threadedly connected to the threaded rod; a through hole is provided in the moving block, the marking rod is penetrating in the through hole, and two groups of positioning grooves corresponding to the through hole are provided at one end of the sleeve close to the conical positioning block.

[0005] Optionally, the through hole is opened in a shape with a tip facing toward the conical positioning block, and the positioning groove is opened in a shape with a tip facing toward the threaded rod.

[0006] Optionally, an adjustment component for fine-tuning the position of the conical positioning block is also included.

[0007] Optionally, the adjustment assembly includes a fixed plate, a connecting rod, a base plate, and a sliding block. The fixed plate is fixedly connected to one end of the moving block close to the conical positioning block. Four groups of connecting rods are fixedly connected to one side of the fixed plate close to the conical positioning block. One end of each two groups of connecting rods away from the fixed plate is fixedly connected to a group of base plates. The sliding block is slidably connected between the two groups of base plates. The four groups of connecting rods are symmetrically arranged on both sides of the sliding block. The conical positioning block is fixedly connected to the side of the sliding block away from the sleeve.

[0008] Optionally, the adjustment assembly also includes gears, a gear ring, and a rotating ring. The two groups of gears are respectively rotatably connected to the outer rings of two groups of connecting rods on one side of the sliding block. The gear ring is rotatably connected to the bottom of the fixed plate. The two groups of gears are meshed with the gear ring, and the rotating ring is installed on the outer ring of the gear ring.

[0009] Optionally, the adjustment assembly also includes a rack arranged on the side of the gear ring away from the fixed plate, the rack is slidably connected between the two groups of base plates, the rack is fixedly connected to the side of the sliding block away from the conical positioning block, and both groups of gears are meshed with the rack.

[0010] Optionally, the opening direction of the through hole is parallel to the length direction of the sliding block.

[0011] Compared with the prior art, the utility model has the following beneficial technical effects:

[0012] The utility model can drive the sleeve to squeeze the marking rod inserted into the through hole through the arrangement of the threaded rod and the nut, and can clamp the marking rods of different diameters, thereby fixing the position of the ground gauge, and can ensure the stability of the position of the conical positioning block during the tightening process, so as to make the marking size accurate;

[0013] By further adjusting the setting of the components, when the rotating ring is rotated, multiple sets of gears can be driven to rotate, thereby driving the rack and the sliding block to move, and then the position of the conical positioning block can be adjusted after the positions of the sleeve and the moving block are fixed, thereby avoiding the tedious operation of disassembling and assembling the sleeve and the moving block. At the same time, the adjustment distance of the conical positioning block is easy to control precisely, making the adjusted size more accurate and improving the marking effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of a universal marking compass;

[0015] Figure 2 It is a schematic diagram of the cross-sectional structure of the ground gauge;

[0016] Figure 3 It is a schematic diagram of the disassembled structure of the ground regulations;

[0017] Figure 4 It is a structural diagram of the sliding block;

[0018] Figure 5 It is a cross-sectional schematic diagram of the base plate.

[0019] Reference numerals:

[0020] 1. Ground gauge; 11. Sleeve; 12. Moving block; 13. Conical positioning block; 14. Threaded rod; 15. Nut;

[0021] 111, positioning groove; 121, through hole;

[0022] 2. Marking rod;

[0023] 3. Adjustment assembly; 31. Fixed plate; 32. Connecting rod; 33. Bottom plate; 34. Sliding block; 35. Gear; 36. Gear ring; 37. Rotating ring; 38. Rack. DETAILED DESCRIPTION

[0024] The technical solution of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all of the embodiments.

[0025] The components of the embodiments of the present invention generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention.

[0026] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0027] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] Embodiment 1

[0030] like Figure 1-3As shown, the utility model proposes a universal marking compass, including two sets of ground gauges 1 and a marking rod 2 that penetrates the two sets of ground gauges 1. The two sets of ground gauges 1 are both clamped on the marking rod 2, which is convenient for adjusting the distance between the two sets of ground gauges 1, thereby adjusting the radius of marking. The ground gauge 1 includes a sleeve 11, a moving block 12, a conical positioning block 13, a threaded rod 14, and a nut 15. The sleeve 11 is sleeved and installed on the outside of the moving block 12. The end of the moving block 12 away from the sleeve 11 is provided with a conical positioning block 13. One set of conical positioning blocks 13 is used for positioning, and the other set of conical positioning blocks 13 rotates around the positioned set of conical positioning blocks 13 to achieve marking. The threaded rod 14 is fixedly connected to one end of the moving block 12 away from the conical positioning block 13, and the nut 15 arranged on the side of the sleeve 11 away from the conical positioning block 13 is threadedly connected to the threaded rod 14. After the thread is rotated, the nut 15 squeezes the sleeve 11 and presses on the moving block 12. At the same time, the positioning groove 111 contacts the marking rod 2, fixing the marking rod 2 in the through hole 121.

[0031] Specifically, the compass includes a through hole 121 in the moving block 12, and the marking rod 2 is arranged through the through hole 121, so that the moving block 12 can move and adjust the position on the marking rod 2. Two groups of positioning grooves 111 corresponding to the through hole 121 are opened at one end of the sleeve 11 close to the conical positioning block 13. The through hole 121 is opened in a shape with the tip facing the conical positioning block 13, and the positioning groove 111 is opened in a shape with the tip facing the threaded rod 14, so that the sleeve 11 can clamp the marking rod 2 when it moves to the position of the conical positioning block 13, thereby fixing the ground compass 1 on the marking rod 2.

[0032] In this embodiment, firstly, the moving block 12 is slidably installed on the marking rod 2 through the through hole 121, and the position of the moving block 12 is moved, so that the conical positioning block 13 is synchronously moved, so that the spacing between the two groups of conical positioning blocks 13 is equal to the required radius length. At this time, the sleeve 11 is sleeved on the moving block 12, and the position of the positioning groove 111 corresponds to the marking rod 2. Then, the nut 15 is threadedly connected to the threaded rod 14. After tightening the nut 15, the sleeve 11 is driven to approach the marking rod 2, and the inner wall of the positioning groove 111 contacts the marking rod 2. At this time, the sleeve 11 squeezes the marking rod 2 to fix the moving block 12 on the marking rod 2. At the same time, when the nut 15 is rotated, the moving block 12 will not be driven to move, so that the position of the conical positioning block 13 will not be offset, so that the spacing between the conical positioning blocks 13 is equal to the required radius length, which is convenient for marking. At the same time, according to the change of the marking radius, when the radius is large, the marking rod 2 with a larger diameter can be replaced to increase rigidity and prevent the radius change caused by insufficient rigidity during marking.

[0033] Embodiment 2

[0034] like Figure 4 and Figure 5As shown, based on the first embodiment, the compass further includes an adjustment component 3 for fine-tuning the position of the conical positioning block 13. The adjustment component 3 includes a fixed plate 31, a connecting rod 32, a bottom plate 33, and a sliding block 34. The fixed plate 31 is fixedly connected to the end of the moving block 12 close to the conical positioning block 13. Four groups of connecting rods 32 are fixedly connected to the side of the fixed plate 31 close to the conical positioning block 13. One end of each two groups of connecting rods 32 away from the fixed plate 31 is fixedly connected with a group of bottom plates 33, and the bottom plates 33 are fixedly connected to the side of the fixed plate 31 through the connecting rods 32. The sliding block 34 is slidably connected between the two groups of bottom plates 33, and the four groups of connecting rods 32 are symmetrically arranged on both sides of the sliding block 34. The conical positioning block 13 is fixedly connected to the side of the sliding block 34 away from the sleeve 11, and the conical positioning block 13 moves synchronously with the sliding block 34. The adjustment assembly 3 further includes a gear 35, a gear ring 36, and a rotating ring 37. The two sets of gears 35 are respectively rotatably connected to the outer rings of the two sets of connecting rods 32 on one side of the sliding block 34, so that the gears 35 remain in place and rotate. The gear ring 36 is rotatably connected to the bottom of the fixed plate 31, and the gear ring 36 remains in place and rotates. Both sets of gears 35 are meshed with the gear ring 36, and the gear ring 36 drives the two sets of gears 35 to rotate synchronously when rotating. The rotating ring 37 is installed on the outer ring of the gear ring 36 to facilitate the rotation of the gear ring 36. The adjustment assembly 3 also includes a rack 38 arranged on the side of the gear ring 36 away from the fixed plate 31, the rack 38 is slidably connected between the two sets of bottom plates 33, the rack 38 is fixedly connected to the side of the sliding block 34 away from the conical positioning block 13, and the rack 38 slides smoothly under the limiting action of the sliding block 34. Both sets of gears 35 are meshed with the rack 38, which is used for the gear 35 to drive the rack 38 to move when rotating. The opening direction of the through hole 121 is parallel to the length direction of the sliding block 34, which is convenient for adjusting the position of the conical positioning block 13, so that the sliding block 34 can drive the conical positioning block 13 to move along the length direction of the marking rod 2 when moving, thereby adjusting the distance between the two groups of conical positioning blocks 13.

[0035] In this embodiment, after the two sets of ground gauges 1 are fixed on the marking rod 2, a ruler is used to measure the distance between the two sets of conical positioning blocks 13. Since the moving block 12 may accidentally slide on the marking rod 2 during operation, the spacing between the two sets of conical positioning blocks 13 may be different from the actual required radius length after the moving block 12 is fixed. At this time, the rotating ring 37 can be rotated, and the rotating ring 37 drives the gear ring 36 to rotate synchronously. When the gear ring 36 rotates, it drives the two sets of gears 35 to rotate, and the gear 35 engages with the rack 38 when rotating. At this time, the rack 38 rotates smoothly under the limiting action of the sliding block 34, and the sliding block 34 moves synchronously and drives the conical positioning block 13 to move. At this time, the conical positioning block 13 is adjusted along the length direction of the marking rod 2, and the spacing between the two sets of conical positioning blocks 13 is adjusted so that the adjusted spacing is equal to the required radius length, thereby ensuring the stability of marking.

[0036] The above-mentioned specific embodiments are only several optional embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

Claims

1. A universal marking compass, characterized in that: include: Two sets of ground gauges (1) and a marking rod (2) penetrating the two sets of ground gauges (1), wherein the two sets of ground gauges (1) are both clamped on the marking rod (2); The floor gauge (1) comprises a sleeve (11), a moving block (12), a conical positioning block (13), a threaded rod (14), and a nut (15); the sleeve (11) is sleeved and installed on the outside of the moving block (12); the conical positioning block (13) is arranged at one end of the moving block (12) away from the sleeve (11); the threaded rod (14) is fixedly connected to one end of the moving block (12) away from the conical positioning block (13); and the nut (15) arranged on the side of the sleeve (11) away from the conical positioning block (13) is threadedly connected to the threaded rod (14); The moving block (12) is provided with a through hole (121), the marking rod (2) is arranged to pass through the through hole (121), and one end of the sleeve (11) close to the conical positioning block (13) is provided with two groups of positioning grooves (111) corresponding to the through hole (121).

2. A universal marking compass according to claim 1, characterized in that: The through hole (121) is opened in a shape with its tip facing the conical positioning block (13), and the positioning groove (111) is opened in a shape with its tip facing the threaded rod (14).

3. A universal marking compass according to claim 2, characterized in that: It also includes an adjustment component (3) for fine-tuning the position of the conical positioning block (13).

4. A universal marking compass according to claim 3, characterized in that: The adjustment assembly (3) comprises a fixed plate (31), a connecting rod (32), a bottom plate (33), and a sliding block (34); the fixed plate (31) is fixedly connected to one end of the moving block (12) close to the conical positioning block (13); four groups of connecting rods (32) are fixedly connected to one side of the fixed plate (31) close to the conical positioning block (13); one end of each two groups of connecting rods (32) away from the fixed plate (31) is fixedly connected to a group of bottom plates (33); the sliding block (34) is slidably connected between the two groups of bottom plates (33); the four groups of connecting rods (32) are symmetrically arranged on both sides of the sliding block (34); and the conical positioning block (13) is fixedly connected to the side of the sliding block (34) away from the sleeve (11).

5. A universal marking compass according to claim 4, characterized in that: The adjustment assembly (3) further comprises a gear (35), a gear ring (36), and a rotating ring (37); the two groups of gears (35) are respectively rotatably connected to the outer rings of the two groups of connecting rods (32) on one side of the sliding block (34); the gear ring (36) is rotatably connected to the bottom of the fixed plate (31); the two groups of gears (35) are meshed with the gear ring (36); and the rotating ring (37) is installed on the outer ring of the gear ring (36).

6. A universal marking compass according to claim 5, characterized in that: The adjustment assembly (3) further comprises a rack (38) arranged on a side of the gear ring (36) away from the fixed plate (31), the rack (38) being slidably connected between the two groups of base plates (33), the rack (38) being fixedly connected to a side of the sliding block (34) away from the conical positioning block (13), and the two groups of gears (35) being meshed with the rack (38).

7. A universal marking compass according to claim 4, characterized in that: The opening direction of the through hole (121) is parallel to the length direction of the sliding block (34).

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