CN100444199C

CN100444199C - Mechanical counter

Info

Publication number: CN100444199C
Application number: CNB2005100614305A
Authority: CN
Inventors: 陈尧新
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-11-04
Filing date: 2005-11-04
Publication date: 2008-12-17
Anticipated expiration: 2025-11-04
Also published as: CN1758272A

Abstract

The present invention discloses a mechanical counter, which comprises a cover shell with a transparent window, a counting assembly which is arranged in the cover shell, and a rotating handle wheel assembly which is assembled with the counting assembly, wherein the counting assembly comprises a counting disk and a carry gear. End surface supporting teeth are uniformly arranged on the periphery of a unit's place counting disk of the counting assembly. The rotating handle wheel assembly comprises a driven wheel and a driving wheel, wherein the driven wheel is provided with a rotating handle shaft, a value input wheel and a driven gear which are connected with the rotating handle shaft into integration. A compression spring is sheathed on the end of the rotating handle shaft which is communicated with the driving wheel, and veins at the end of the rotating handle shaft are connected with a fastener. A counting ratchet sheet is arranged on the end surface of the value input wheel, and the top of a ratchet of the counting ratchet sheet is connected with the end surface supporting teeth. The cover shell is formed in the mode that a top cover is embedded with a base, and a notch of a carry shaft is arranged on the base, and is used for placing the carry shaft. A notch of the counting shaft is arranged on the base, and is used for placing the counting shaft, and a notch of a downward rotating handle shaft is arranged on the base, and is used for placing a rotating handle shaft. In addition, the notch of the downward rotating handle shaft is buckled with the notch of an upper rotating handle shaft, which is correspondingly arranged on the top cover, and the end of a positioning reed which is arranged on the front part of the bottom surface of the base is butted with the end surface supporting teeth.

Description

A kind of mechanical counter

Technical field

The present invention relates to the mechanical counter field, relate in particular to a kind of conveniently assembled, the mechanical counter of accurate counting.

Background technology

Mechanical counter is convenient with its counting, stable performance and need not the characteristics of electric control and be widely used in the record and the demonstration of various quantitative values.Therefore use face is wider, and market demand is bigger.Commercially available both at home and abroad at present mechanical counter is when producing assembling, because shell is the ladle bowl shape that an integral molded plastic forms, usually after the digital disk assembly all accurately need being assembled again with ladle bowl suit mutually, waste time and energy and cost bigger, and handle directly is hinged on the Handle axis, use through long-term, cause the fault of counter or count inaccurate because the perseveration of handle after a position firmly forms directed moment of torsion, makes the axial error of Handle axis strengthen.

As the applying date is that " a kind of mechanical counter " (notification number is CN2160944Y) of Chinese utility model patent ZL93215335.6 on June 9th, 1993 discloses roughly the same above-mentioned a kind of mechanical counter, it is made of frame, character wheel group, cross carry wheels and driving gear, it is characterized in that described frame is the dustpan shape, character wheel group and cross carry wheels are located in its inner chamber; Driving gear shaft is located at a side of frame, and joins together with frame; Driving gear and lowest order character wheel that sky is enclosed within on the driving gear shaft constitute end face pin gear drive.The technological deficiency that is proposed does not overcome yet.

Summary of the invention

Technical matters to be solved by this invention is the present situation at prior art, and a kind of compact conformation, easy to make, counting mechanical counter accurate, with low cost are provided.

The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of mechanical counter comprises the case with transparency window, counting assembly and the turning handle wheel assembly equipped mutually with the counting assembly that is positioned at this case; The counting assembly comprises and cooperatively interacts and be sleeved at least four counting scales on the counter axis, and is sleeved at least three carry gears on the carry axle; The equal correspondence of each carry gear is fitted between two adjacent counting scales; A position counting scale periphery of counting assembly is shaped on evenly distributed end face support tooth, and the technical measures of taking also comprise: the turning handle wheel assembly comprises the driving wheel of engaged wheel, the driven gear teeth of engagement portion; Driving wheel and engaged wheel are meshed and are used to carry out angular adjustment; Engaged wheel have the turning handle axle and with the numerical value wheel for inputting and the follower gear of this turning handle axle disjunctor; The end of running through the turning handle axle of driving wheel is with compression spring, and this turning handle shaft end line is connected to the securing member that is used for the compression spring location; On the numerical value wheel for inputting end face counting ratchet is housed, the ratchet apical grafting end face support tooth of counting ratchet; Counter axis butt numerical value wheel for inputting axle center hole; Case is made of top cover and base setting-in, transparency window is flush-mounted in the top inner tank mouths of top cover, both sides, base rear portion are shaped on carry axle recess and place carry axle both ends respectively, the base middle part is shaped on the end that the counter axis recess is placed counter axis on one side, base middle part another side is shaped on down turning handle axle recess and places the turning handle axle, and the corresponding turning handle axle recess that is shaped on top cover is interlocked; Positioning reed is equipped with in the base end face front portion, this positioning reed end butt end face support tooth.

For optimizing technique scheme, the measure of being taked also comprises:

For finishing resetting of numerical value wheel for inputting automatically, the numerical value wheel for inputting is shaped on the extension spring post, and this extension spring post and the cross-over connection of carry axle have retracing spring.

For ease of practicality, the driving wheel periphery is shaped on the extension spring hole, but this extension spring hole connects the extension spring of turn driving wheel.

The counting assembly has five counting scales, and four carry gears should be arranged mutually, and each carry gear is between adjacent two counting scales.

Need for ease of accurately adjusting angle, driving wheel and engaged wheel have along the equal radian of card arranges the teeth that are meshed.

Compared with prior art, the turning handle wheel assembly of the present invention's employing comprises the driving wheel of engaged wheel, the driven gear teeth of engagement portion; Driving wheel and engaged wheel are meshed and are used to carry out angular adjustment; Engaged wheel have the turning handle axle and with the numerical value wheel for inputting and the follower gear of this turning handle axle disjunctor; The end of running through the turning handle axle of driving wheel is with compression spring, and this turning handle shaft end line is connected to the securing member that is used for the compression spring location; On the numerical value wheel for inputting end face counting ratchet is housed, the ratchet apical grafting end face support tooth of counting ratchet; Counter axis butt numerical value wheel for inputting axle center hole; Case is made of top cover and base setting-in, transparency window is flush-mounted in the top inner tank mouths of top cover, both sides, base rear portion are shaped on carry axle recess and place carry axle both ends respectively, the base middle part is shaped on the end that the counter axis recess is placed counter axis on one side, base middle part another side is shaped on down turning handle axle recess and places the turning handle axle, and the corresponding turning handle axle recess that is shaped on top cover is interlocked; Positioning reed is equipped with in the base end face front portion, this positioning reed end butt end face support tooth.Realize its compact conformation, conveniently assembled, counting purpose accurate, with low cost.

Description of drawings

Fig. 1 is the whole equipped structural representation of the embodiment of the invention;

Fig. 2 is base and equipped counting assembly and a turning handle wheel assembly synoptic diagram among Fig. 1;

Fig. 3 is a top cover synoptic diagram among Fig. 1;

Fig. 4 is the carry axle construction synoptic diagram of base and suit carry gear among Fig. 2;

Fig. 5 is a driving wheel structural representation among Fig. 2;

Fig. 6 is a driven wheel structure synoptic diagram among Fig. 2;

Fig. 7 is engaged wheel and suit counting ratchet and a retracing spring structural representation among Fig. 2.

Specific embodiment

Below in conjunction with drawings and Examples the present invention is described in further detail.

Fig. 1-shown in Figure 7, a kind of mechanical counter comprises the case 1 with transparency window 14, counting assembly and the turning handle wheel assembly equipped mutually with the counting assembly that is positioned at this case 1; The counting assembly comprises and cooperatively interacts and be sleeved at least four counting scales 3 on the counter axis rotationally, and be sleeved at least three carry gears 5 on the carry axle 4, the counting assembly of the embodiment of the invention has five counting scales 3, and four carry gears 5 should be arranged mutually, each carry gear 5 equal correspondence is fitted between two adjacent counting scales 3; Be followed successively by position, ten, hundred, the number of kilobit, myriabit from right to left, edge, every counting scale 3 left side is shaped on recess, and the action that matches with carry gear 5 of this recess is used for carry.Except that the counting scale 31 of individual position, other counting scale right flank peripheries are shaped on the even recessed tooth that cooperates 5 actions of carry gear, and the teeth of carry gear 5 fall into the recessed tooth of counting scale, with counting scale recess cooperation carry; Position counting scale 31 periphery of counting assembly are shaped on evenly distributed end face support tooth 31a;

The turning handle wheel assembly comprises the driving wheel 7 of engaged wheel 6, engagement engaged wheel 6 tooth portions; Driving wheel 7 and engaged wheel 6 have along the equal radian of card arranges the teeth that are meshed, and driving wheel 7 and engaged wheel 6 are meshed and are used to carry out angular adjustment, after angular adjustment finishes, promptly form an integral body, and turn driving wheel 7 promptly drives engaged wheel 6 rotations synchronously; Engaged wheel 6 have turning handle axle 6b and with the numerical value wheel for inputting 6a and the follower gear 6c of this turning handle axle 6b disjunctor; The end of running through the turning handle axle 6b of driving wheel 7 is with compression spring 8, this turning handle axle 6b end line is connected to the securing member 9 that is used for compression spring 8 location, can regulate the angle that driving wheel 7 and engaged wheel 6 are meshed as required, during adjusting, only need outwards pulling driving wheel 7, when aiming at the pairing teeth of needed angle, the driving wheel 7 that unclamps just firmly meshes engaged wheel 6 and forms an integral body under securing member 9 effects of compression spring 8 and location; Counting ratchet 61 is housed, the ratchet 61a apical grafting end face support tooth 31a of counting ratchet 61 on the numerical value wheel for inputting 6a end face; Counter axis butt numerical value wheel for inputting 6a axle center hole; Turn driving wheel 7 can be through the numerical value wheel for inputting 6a of engaged wheel 6 rotation, ratchet 61a apical grafting end face support tooth 31a by counting ratchet 61 stirs a position counting scale rotation, the anterior projection 12e in base 12 bottom surfaces is equipped with positioning reed 13, and projection 12e is run through in the hole of positioning reed 13 and hot melt is fixed; This positioning reed 13 end butt end face support tooth 31a, turning handle axle 6b is shaped on concave arc 6e, and concave arc 6e matches with the radian position block 12f of front portion, base 12 bottom surface, guarantees once to rotate numerical value of carry; Repeat count once more after the revolution.For finishing resetting of numerical value wheel for inputting 6a automatically, numerical value wheel for inputting 6a is shaped on extension spring post 6d, and this extension spring post 6d and 4 cross-over connections of carry axle have retracing spring 10.

Case 1 is made of top cover 11 and base 12 setting-ins, as Fig. 3-shown in Figure 4, installing and locating hole 11d and the chimeric assembling of base 12 installing and locating post 12d through top cover 11, transparency window 14 is flush-mounted in the top inner tank mouths of top cover 11 through installing and locating post 11b, be firm conveniently assembled, the numeral of being convenient to observe counting scale 3 again; Both sides, base 12 rear portion are shaped on carry axle 4 both ends that carry axle recess 12a places four carry gears 5 of suit respectively, base 12 middle parts are shaped on the end that counter axis recess 12b places the counter axis of five counting scales 3 of suit on one side, counter axis other end butt numerical value wheel for inputting 6a axle center hole, base 12 middle part another sides are shaped on down turning handle axle recess 12c and place turning handle axle 6b, and the 11 corresponding turning handle axle recess 11a that are shaped on are interlocked with top cover; For ease of practicality, driving wheel 7 peripheries are shaped on extension spring hole 7a, but this extension spring hole 7a connects the extension spring of turn driving wheel 7.It has compact conformation, easy to make, accurately and reliably, characteristics with low cost.

Most preferred embodiment of the present invention is illustrated, and various variations or the remodeling made by those of ordinary skills can not depart from the scope of the present invention.

Claims

1, a kind of mechanical counter, comprise have transparency window (14) case (1), be positioned at this case (1) the counting assembly and with the equipped mutually turning handle wheel assembly of counting assembly; The counting assembly comprises and cooperatively interacts and be sleeved at least four counting scales (3) on the counter axis, and is sleeved at least three the carry gears (5) on the carry axle (4); Each carry gear (5) all correspondence is fitted between two adjacent counting scales (3); Counting scale (31) right side, a position periphery of described counting assembly is shaped on evenly distributed end face support tooth (31a), it is characterized in that: described counting assembly has five counting scales (3), and four carry gears (5) should be arranged mutually, each carry gear (5) is positioned between adjacent two counting scales (3);

Described turning handle wheel assembly comprises engaged wheel (6), meshes the driving wheel (7) of described engaged wheel (6) tooth portion; The angle that described driving wheel (7) and engaged wheel (6) are meshed is used to carry out angular adjustment; Engaged wheel (6) have turning handle axle (6b) and with the numerical value wheel for inputting (6a) and the follower gear (6c) of this turning handle axle (6b) disjunctor; The end of running through the turning handle axle (6b) of driving wheel (7) is with compression spring (8), and this turning handle axle (6b) end line is connected to the securing member (9) that is used for compression spring (8) location;

Counting ratchet (61) is housed, the described end face support of ratchet (61a) apical grafting of counting ratchet (61) tooth (31a) on described numerical value wheel for inputting (6a) left end face; The described numerical value wheel for inputting of described counter axis butt (6a) axle center hole;

Described case (1) is made of top cover (11) and base (12) setting-in, described transparency window (14) is flush-mounted in the top inner tank mouths of described top cover (11), described base (12) both sides, rear portion are shaped on carry axle recess (12a) and place described carry axle (4) both ends respectively, described base (12) middle part is shaped on the end that counter axis recess (12b) is placed described counter axis on one side, described base (12) middle part another side is shaped on down turning handle axle recess (12c) placement described turning handle axle (6b), correspondingly with described top cover (11) is shaped on turning handle axle recess (11a) and is interlocked;

Positioning reed (13) is equipped with in described base (12) front portion, bottom surface, the described end face support of this positioning reed (13) end butt tooth (31a).

2, a kind of mechanical counter according to claim 1 is characterized in that: described numerical value wheel for inputting (6a) is shaped on extension spring post (6d), and this extension spring post (6d) has retracing spring (10) with described carry axle (4) cross-over connection.

3, a kind of mechanical counter according to claim 1 is characterized in that: described driving wheel (7) periphery is shaped on extension spring hole (7a), this extension spring hole (7a) but connect the extension spring of turn driving wheel (7).

4, according to claim 1 or 2 or 3 described a kind of mechanical counters, it is characterized in that: described driving wheel (7) and engaged wheel (6) have along the equal radian of card arranges the teeth that are meshed.