CN214873877U - Compasses capable of avoiding paper damage - Google Patents

Abstract

The utility model discloses a can avoid damaged compasses of paper, including the rolling disc, the rolling disc has compasses point dead lever and connecting rod through the hub connection, the bottom inner wall of compasses point dead lever is pegged graft and is had the compasses point, the top outer wall middle part of rolling disc is through screw thread fixedly connected with dwang, the end connection of connecting rod has the dial rod cover, and the bottom of dial rod cover is through screw thread fixedly connected with pen container, the bottom outer wall of pen container is through screw thread fixedly connected with play core nib, the outer wall equidistance annular distribution of dial rod cover has the dial rod groove. The utility model discloses use the structure that can replace the refill, replace traditional fixed refill structure, utilize the slide bar to push down the roll-off refill, what the refill utilized is the ballpoint pen refill, it is that the line is even need not control power and changes the line thick, need replace the line thick the time change different refills can, the refill colour is variable simultaneously for mark and differentiation are the line orbit during the mapping.

Description

Compasses capable of avoiding paper damage

Technical Field

The utility model relates to a compasses technical field especially relates to a can avoid damaged compasses of paper.

Background

Compasses are used for drawing circles or strings in mathematics and drawing, and are commonly used for drawing rulers and compasses.

In the drawing of the building drawing, the compass point is inserted into a broken hole on the paper, so that the overall drawing sense is poor, the thickness of a circle is controlled to a certain degree mainly by depending on the force of the existing compass, the thickness of the handwriting of the compass cannot be well regulated, the determination of the superposition position of complex lines is influenced, and the error of ruler drawing is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a compasses capable of avoiding the damage of paper.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the compasses capable of avoiding paper damage comprise a rotating disc, wherein the rotating disc is connected with a compasses tip fixing rod and a connecting rod through a shaft, a compasses tip is inserted into the bottom end inner wall of the compasses tip fixing rod, the middle part of the top outer wall of the rotating disc is fixedly connected with a rotating rod through threads, the end part of the connecting rod is connected with a poking rod sleeve, the bottom end of the poking rod sleeve is fixedly connected with a pen container through threads, the bottom end outer wall of the pen container is fixedly connected with a refill pen point through threads, poking rod grooves are annularly distributed on the outer wall of the poking rod sleeve at equal intervals, refill holes corresponding to the positions of the poking rod grooves are annularly distributed on the bottom end inner wall of the poking rod sleeve at equal intervals, a refill assembly is vertically inserted into the inner wall of the refill hole, the outer wall of the refill assembly is slidably connected onto the inner wall of the poking rod grooves, buckles are arranged on two sides, where the inner wall of the poking rod sleeve is positioned, and comprises refills, Refill connecting rod, supporting spring, driving lever and spacing knot, the bottom outer wall of refill connecting rod is pegged graft on the tip inner wall of refill, and the perpendicular fixed connection of tip of driving lever is on the tip outer wall of refill connecting rod, supporting spring joint is between the tip of driving lever and refill, the tip symmetric distribution of spacing knot is on the bottom outer wall both sides of driving lever, and forms the joint cooperation between the outer wall of spacing knot and the outer wall of buckle.

As a further scheme of the utility model, the tip both sides of compasses point dead lever are equipped with the perforation, and fenestrate inner wall passes through screw thread fixedly connected with clamping screw and fixed disk, the inner wall of fixed disk passes through screw thread fixed connection on clamping screw's outer wall.

As a further proposal of the utility model, the compass point includes the body of rod, point cover and silica gel point, and the tip of silica gel point is pegged graft perpendicularly on the inner wall of point cover, be connected between the other end of point cover and the body of rod.

As a further proposal of the utility model, the outer wall of the rod body is equidistantly provided with positioning holes, and the outer wall of the fixing screw rod is inserted into the inner wall of the positioning holes.

As a further scheme of the utility model, the nib thickness of refill, nib colour all can replace, and the inner wall equidistance annular distribution of pen container has the front of a garment piece of cutting apart, the outer wall sliding connection of refill is on the inner wall of cutting apart the front of a garment piece.

As a further aspect of the present invention, the tip inner wall joint of the refill outlet nib has a stabilizing sleeve, and the inner wall of the stabilizing sleeve is sleeved on the tip outer wall of the refill.

The utility model has the advantages that:

1. the compasses use the structure of the replaceable refill at the end of the drawing line, replace the traditional fixed refill structure, utilize the slide bar to press down and slide out the refill, the refill utilizes the ball pen refill, it does not need to control the strength of the line to change the thickness of the line to make the line evenly, need change different refills when the thickness of the line needs to be changed, the color of the refill is variable at the same time, used for marking and differentiating the line-making track when drawing;

2. the combination that the sharp part of compasses utilized hard material parcel soft materials in this compasses replaces traditional steel needle, and wherein soft materials is most advanced also to have the positioning action, and soft similar rubber material has increased location friction simultaneously, reduces the skew, and hard material provides good support, makes the hole of compasses point location reduce in the drawing, improves the drawing survey and drawing beautifully spent.

Drawings

FIG. 1 is a schematic perspective view of a compass capable of avoiding paper damage according to the present invention;

FIG. 2 is a schematic view of a top view of a deflector rod cover of the compasses capable of avoiding paper damage according to the present invention;

FIG. 3 is a schematic structural view of a cartridge assembly of the compasses capable of avoiding paper damage provided by the present invention;

fig. 4 is a schematic view of the compasses tip structure of the compasses capable of avoiding paper damage provided by the present invention.

In the figure: 1. rotating the disc; 2. a compasses point fixing rod; 3. fixing the disc; 4. a compass tip; 5. Rotating the rod; 6. a connecting rod; 7. a cartridge assembly; 8. a toggle rod groove; 9. a pen container; 10. taking out the core pen point; 11. a support spring; 12. buckling; 13. a refill hole; 14. a limit buckle; 15. a pen refill connecting rod; 16. a pen core; 17. a tip sleeve; 18. positioning holes; 19. a silica gel tip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a compasses capable of avoiding paper damage comprises a rotating disc 1, the rotating disc 1 is connected with a compasses tip fixing rod 2 and a connecting rod 6 through a shaft, the compasses tip 4 is inserted into the bottom end inner wall of the compasses tip fixing rod 2, the rotating rod 5 is fixedly connected with the middle part of the top outer wall of the rotating disc 1 through a screw thread, the end part of the connecting rod 6 is connected with a poking rod sleeve, the bottom end of the poking rod sleeve is fixedly connected with a pen container 9 through a screw thread, the bottom end outer wall of the pen container 9 is fixedly connected with a core-out pen tip 10 through a screw thread, poking rod grooves 8 are annularly distributed on the outer wall of the poking rod sleeve at equal intervals, pen core holes 13 corresponding to the positions of the poking rod grooves 8 are annularly distributed on the bottom end inner wall of the poking rod sleeve at equal intervals, a pen core assembly 7 is vertically inserted into the inner wall of the pen core hole 13, the outer wall of the pen core assembly 7 is slidably connected to the inner wall of the poking rod groove 8, buckles 12 are arranged on two sides of the poking rod sleeve positioned on the poking rod groove 8, the refill assembly 7 comprises a refill 16, a refill connecting rod 15, a supporting spring 11, a shifting rod and a limit buckle 14, the outer wall of the bottom end of the refill connecting rod 15 is inserted on the inner wall of the end part of the refill 16, the end part of the shifting rod is vertically and fixedly connected on the outer wall of the end part of the refill connecting rod 15, the supporting spring 11 is clamped between the shifting rod and the end part of the refill 16, the end parts of the limit buckle 14 are symmetrically distributed on two sides of the outer wall of the bottom end of the shifting rod, the outer wall of the limit buckle 14 and the outer wall of a buckle 12 form clamping fit, two sides of the end part of a compass point fixing rod 2 are provided with through holes, the inner wall of the through holes is fixedly connected with a fixing screw rod and a fixing disk 3 through threads, the inner wall of the fixing disk 3 is fixedly connected on the outer wall of the fixing screw rod through threads, the compass point 4 comprises a rod body, a point sleeve 17 and a silica gel point 19, the end part of the silica gel point 19 is vertically inserted on the inner wall of the point sleeve 17, the other end of the point sleeve 17 is connected with the rod body, the outer wall of the rod body is equidistantly provided with positioning holes 18, the outer wall of the fixing screw rod is inserted into the inner wall of the positioning holes 18, the pen point thickness and the pen point color of the pen core 16 can be changed, the inner wall of the pen container 9 is equidistantly and annularly provided with cutting lappets, the outer wall of the pen core 16 is slidably connected onto the inner wall of the cutting lappets, the pen core 16 slides out stably, the inner wall of the end part of the pen core 10 is clamped with a stabilizing sleeve, the inner wall of the stabilizing sleeve is sleeved on the outer wall of the end part of the pen core 16, and the pen core 16 is reduced from shaking.

The working principle of the compasses capable of avoiding paper damage is as follows:

firstly, when the compasses are used, the center of a circle is positioned by using a compass tip 4, then a connecting rod 6 is pulled open, the length of the radius of the needed drawing is expanded, a pen core slides out of a deflector rod groove 8 by using a deflector rod according to requirements, the pen core is close to drawing paper, and a rotating rod 5 is held by hands to rotate an arc;

secondly, the switching process of the refill assembly 7 comprises the steps of pressing by using a driving lever, sliding in a driving lever groove 8, extruding a supporting spring 11, simultaneously extruding a refill 16 to slide downwards, slightly bending and extruding the end part of a refill pen point 10 on the inner wall of a pen container 9, fixedly connecting a limiting buckle 14 with a buckle 12 at the moment to form a stable refill ejection structure, and pressing the driving lever and loosening the limiting buckle 14 and the buckle 12 during switching;

thirdly, the length of the compass point 4 is adjustable, the fixed disc 3 is loosened, the pull rod body is pulled out, the length of the compass point 4 is positioned by using different positioning holes 18, and the matching of different compass heights and opening angles is realized.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", "first", "second", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The compasses capable of avoiding paper damage comprise a rotating disc (1) and are characterized in that the rotating disc (1) is connected with a compasses point fixing rod (2) and a connecting rod (6) through a shaft, the compasses point (4) is inserted into the bottom inner wall of the compasses point fixing rod (2), the middle part of the top outer wall of the rotating disc (1) is fixedly connected with a rotating rod (5) through threads, the end part of the connecting rod (6) is connected with a poking rod sleeve, the bottom end of the poking rod sleeve is fixedly connected with a pen container (9) through threads, the bottom outer wall of the pen container (9) is fixedly connected with a refill-out pen point (10) through threads, poking rod grooves (8) are annularly distributed on the outer wall of the poking rod sleeve at equal intervals, refill holes (13) corresponding to the poking rod grooves (8) are annularly distributed on the bottom inner wall of the poking rod sleeve at equal intervals, and refill assemblies (7) are vertically inserted into the inner walls of the refill holes (13), and the outer wall sliding connection of refill subassembly (7) is on the inner wall of dial rod groove (8), the both sides that the inner wall of dial rod cover is located dial rod groove (8) all are equipped with buckle (12), refill subassembly (7) include refill (16), refill connecting rod (15), supporting spring (11), driving lever and limit buckle (14), the bottom outer wall of refill connecting rod (15) is pegged graft on the tip inner wall of refill (16), and the perpendicular fixed connection of tip of driving lever is on the tip outer wall of refill connecting rod (15), supporting spring (11) joint is between the tip of driving lever and refill (16), the tip symmetric distribution of limit buckle (14) is on the bottom outer wall both sides of driving lever, and forms the joint cooperation between the outer wall of limit buckle (14) and the outer wall of buckle (12).

2. The compasses capable of avoiding paper damage according to claim 1, wherein both sides of the end of said compasses tip fixing rod (2) are provided with a through hole, and the inner wall of said through hole is fixedly connected with a fixing screw rod and a fixing disk (3) by screw threads, and the inner wall of said fixing disk (3) is fixedly connected with the outer wall of said fixing screw rod by screw threads.

3. The compasses capable of avoiding paper damage according to claim 1, wherein said compasses tip (4) comprises a rod body, a tip sleeve (17) and a silica gel tip (19), and the end of the silica gel tip (19) is vertically inserted into the inner wall of the tip sleeve (17), and the other end of said tip sleeve (17) is connected with the rod body.

4. The compasses capable of avoiding paper damage of claim 3, wherein said rod body has positioning holes (18) equidistantly formed on its outer wall, and the outer wall of the fixing screw is inserted into the inner wall of the positioning hole (18).

5. The compasses capable of avoiding paper damage according to claim 1, characterized in that the thickness of the pen point and the color of the pen point of said pen core (16) can be changed, and the inner wall of the pen container (9) is annularly distributed with partition flaps at equal intervals, and the outer wall of said pen core (16) is slidably connected to the inner wall of the partition flaps.

6. The compasses capable of avoiding paper damage according to claim 1, wherein a stabilizing sleeve is clamped on the inner wall of the end part of the refill point (10), and the inner wall of the stabilizing sleeve is sleeved on the outer wall of the end part of the refill (16).

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