CN2897669Y

CN2897669Y - Pencil for machine-readable card

Info

Publication number: CN2897669Y
Application number: CN 200620083642
Authority: CN
Inventors: 王西海
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-04-26
Filing date: 2006-04-26
Publication date: 2007-05-09
Anticipated expiration: 2016-04-26

Abstract

The utility model relates to a card daub pencil. The pencil composes a pen holder capable of holding a pen core; the lower end of the pen holder is provided with a retainment part of the pen core; the inner chamber cross-sectional shape of the retainment part of the pen core is a rectangle which is matched with the cross section shape of the pen core; the retainment part of the pen core is provided with at least 2 open slots which are extended lengthways; the periphery of the retainment part of the pen core is a circular conical surface; a locking cap whose shape is matched and screw thread jointed with the circular conical surface of the pencil core retainment part; the inner chamber of the pen holder is provided with a push rod of the pen core; the top sidewall of the pen holder is provided with a longitudinal slot; the projection at the push rod of the pen core is protruded out of the longitudinal slot; the screw cap which is screwed with the upper external surface of the pen holder is provided at the upside of the projection. The utility model is simple in structure and convenient to be used. With the utility model, the fulfilling of daub is not only executed regularly, but also the quality of card-daub is guaranteed. Furthermore, in the case of the service wear of the pen core, the pen core can be pushed out, economizing the precious hour of testees, and improving the fulfilling efficiency.

Description

A kind of card-smearing writing appliance

Technical field

The utility model relates to the pen technology field, especially a kind of card-smearing writing appliance of using during card-coating in examination be convenient to.

Background technology

The answering card that now in various examinations, has generally used a computer and goed over examination papers, the examinee need be with sequence number full-filling on answering card of answer, the general Pencil with 2B hardness that adopts, this before using, should need pencil is whittled into answering card in the shape of square frame, waste time and energy, and because during computer marking, quality to its filling has higher requirement, owing to there is not suitable card-coating pencil, the examinee is often taken place causes computer can't correctly discern option that the examinee is coated with when going over examination papers because of the card-coating poor quality, cause losing of mark, such worry is also brought very big psychological pressure to the examinee, propelling pencil in the market simultaneously, owing to be the pen core of round end, very inconvenience had both been wasted the time when full-filling, did not also reach desirable full-filling effect.

Summary of the invention

Technical problem to be solved in the utility model is: for solving above-mentioned deficiency, provide a kind of easy to use, full-filling is effective, saves the card-smearing writing appliance of test time.

For achieving the above object, the technical solution of the utility model is: a kind of card-smearing writing appliance, comprise the penholder that can hold pen core, and described penholder lower end is provided with the pen core clamping part, the shape of cross section of described pen core clamping part inner chamber is a rectangle, and the shape of cross section of this rectangle and pen core is suitable; Described pen core clamping part is provided with at least two open slots that extend longitudinally, and the outer peripheral face of described pen core clamping part is a taper seat; A shape locking cap suitable with the taper seat of described pen core clamping part and that be threaded with it; The inner chamber of described penholder is provided with the pen core push rod, and the upper portion side wall of described penholder is provided with cannelure, and the projection that is arranged on the pen core push rod stretches out described cannelure, and the nut that is connected with the outer surface thread on described penholder top is positioned at the upside of described projection.

As a kind of improvement, described pen core push rod is divided into the slide bar that can be free to slide and the push rod of lower end in the penholder inner chamber.

After having adopted technique scheme, because the penholder lower end is provided with the pen core clamping part, the shape of the shape of cross section of described pen core clamping part inner chamber and the cross section of card-coating pen core is suitable, so can adopt the rectangle pen core that meets the answering card requirement.Because described pen core clamping part is provided with at least two open slots that extend longitudinally, the outer peripheral face of described pen core clamping part is a taper seat; This pencil for machine-readable card also comprises a shape locking cap suitable with the taper seat of described pen core clamping part and that be threaded with it, and open slot is divided into several clamping lobes with the pen core clamping part, and during the rotation lock cap, the clamping lobe shrinks pen core is stepped up; After the pen core wearing and tearing, unclamp locking cap, the clamping lobe opens, rotating screw cap, and the roof pressure projection makes the pen core push rod that pen core is released, and then locking cap is tightened, and just can continue to use, and is very easy to use.Because described pen core push rod comprises the push rod of slide bar and lower end, push rod can be done it thinly, and any makes its pen core chamber that can stretch into penholder, and the assurance pen core can all be released, and improves the utilization rate of pen core to greatest extent; And slide bar can be done more slightly, does not deform when guaranteeing the nut roof pressure, and this split type structure is convenient to make.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the structural representation of the utility model embodiment;

Fig. 2 is the A-A cutaway view of the utility model embodiment.

The specific embodiment

As depicted in figs. 1 and 2, a kind of card-smearing writing appliance comprises the penholder 2 that can hold pen core 4, be connected in the cap for brush 1 of described penholder 2 upper ends, described penholder 2 lower ends are provided with the pen core clamping part, and the shape of cross section of described pen core clamping part inner chamber is a rectangle, and the shape of cross section of this rectangle and pen core 4 is suitable; Described pen core clamping part is provided with at least two open slots 21 that extend longitudinally, and the outer peripheral face of described pen core clamping part is a taper seat; This card-smearing writing appliance also comprises a shape locking cap 3 suitable with the taper seat of described pen core clamping part and that be threaded with it; The upper portion side wall of described penholder 2 is provided with a cannelure 22, the inner chamber of described penholder 2 is provided with pen core push rod 5, described pen core push rod 5 is provided with projection 51a, and described projection 51a stretches out described cannelure 22, and the upper end of described penholder 2 is provided with the nut 6 that is connected with the outer surface thread of penholder 2.

Because penholder 2 lower ends are provided with the pen core clamping part, the shape of the shape of cross section of described pen core clamping part inner chamber and the cross section of pen core 4 is suitable, so can adopt the rectangle pen core that meets the answering card requirement.Because described pen core clamping part is provided with at least two open slots 21 that extend longitudinally, the outer peripheral face of described pen core clamping part is a taper seat, open slot 21 is divided into several clamping lobes with the pen core clamping part, and during rotation lock cap 3, the clamping lobe shrinks pen core 4 is stepped up; After pen core 2 wearing and tearing, unclamp locking cap 3, the clamping lobe opens, rotating screw cap 6, and roof pressure projection 51a makes pen core push rod 5 that pen core 4 is released, and then locking cap 3 is tightened, and just can continue to use, and is very easy to use.Because described pen core push rod 5 comprises the push rod 52 of slide bar 51 and lower end, push rod 52 can be done it thinly, and any stretches into the pen core chamber of penholder, and the assurance pen core can be released smoothly, improves the utilization rate of pen core to greatest extent; And slide bar 52 can be done more slightly, does not deform when guaranteeing the nut roof pressure, and this split type structure is convenient to make.When using this card-smearing writing appliance, can accomplish the full-filling standard, guarantee the card-coating quality; And after the pen core wearing and tearing, can apace pen core be released, for the examinee has saved valuable time, improved card-coating efficient.

Claims

1, a kind of card-smearing writing appliance, comprise the penholder (2) that can hold pen core (4), it is characterized in that: the lower end of described penholder (2) is provided with the pen core clamping part, and the shape of cross section of described pen core clamping part inner chamber is a rectangle, and the shape of cross section of this rectangle and pen core (4) is suitable; Described pen core clamping part is provided with at least two open slots (21) that extend longitudinally, and the outer peripheral face of described pen core clamping part is a taper seat; A shape locking cap suitable with the taper seat of described pen core clamping part and that be threaded with it (3); The inner chamber of described penholder (1) is provided with pen core push rod (5), the upper portion side wall of described penholder (2) is provided with cannelure (22), the projection (51a) that is arranged on the pen core push rod (5) stretches out described cannelure (22), and the nut (6) that is connected with the outer surface thread on described penholder (2) top is positioned at the upside of described projection (51a).

2, a kind of card-smearing writing appliance as claimed in claim 1 is characterized in that: described pen core push rod (5) is divided into the slide bar (51) that can be free to slide and the push rod (52) of lower end in penholder (2) inner chamber.